CN119701566B - Purification equipment with pressure protection for coke oven gas PSA hydrogen production - Google Patents
Purification equipment with pressure protection for coke oven gas PSA hydrogen production Download PDFInfo
- Publication number
- CN119701566B CN119701566B CN202510222293.6A CN202510222293A CN119701566B CN 119701566 B CN119701566 B CN 119701566B CN 202510222293 A CN202510222293 A CN 202510222293A CN 119701566 B CN119701566 B CN 119701566B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- adsorption tank
- pipe
- plate
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Of Gases By Adsorption (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
本发明公开了一种带有压力保护的焦炉煤气PSA制氢用提纯设备，涉及PSA制氢提纯设备技术领域，包括底座，底座的顶部设有安装板，且底座顶端与安装板底端之间设有振动落实机构，安装板的顶端分别固定连接有第一吸附罐和第二吸附罐，且第一吸附罐和第二吸附罐的内部均设有进料机构，本发明通过设置的阻碍降速机构和导通排放机构，在压力传感器检测到第一吸附罐内部压力过高时，阻碍和降低氢气进料时的速度，调节进气的气体流量，同时带动第一吸附罐内部吸附的部分杂质气体向外释放，从而降低压力，维持压力平衡，起到压力保护的作用，避免压力过高而对设备造成损坏，保证其运行安全性。
The present invention discloses a purification device for PSA hydrogen production from coke oven gas with pressure protection, which relates to the technical field of PSA hydrogen production purification devices. The device comprises a base, a mounting plate is arranged on the top of the base, and a vibration implementation mechanism is arranged between the top of the base and the bottom of the mounting plate. A first adsorption tank and a second adsorption tank are respectively fixedly connected to the top of the mounting plate, and a feeding mechanism is arranged inside the first adsorption tank and the second adsorption tank. The present invention hinders and reduces the speed of hydrogen feeding by setting an obstruction speed reduction mechanism and a conduction discharge mechanism when a pressure sensor detects that the internal pressure of the first adsorption tank is too high, adjusts the gas flow of the intake, and drives part of the impurity gas adsorbed in the first adsorption tank to be released outward, thereby reducing the pressure, maintaining pressure balance, playing a role of pressure protection, avoiding damage to the equipment due to excessive pressure, and ensuring its operation safety.
Description
Technical Field
The invention relates to the technical field of PSA hydrogen production purification equipment, in particular to purification equipment with pressure protection for coke oven gas PSA hydrogen production.
Background
The coke oven gas hydrogen production process can be roughly divided into the following procedures of fine purification, pretreatment, compression, PSA hydrogen extraction, deoxidization drying, product hydrogen storage and external supply and the like. In the PSA hydrogen purification process, the device takes the mixed gas rich in hydrogen as a raw material, uses adsorbents such as active carbon, alumina, silica gel, molecular sieve and the like to adsorb impurities at high pressure, and desorbs and regenerates at low pressure, and removes the impurities through pressure change, thereby purifying the hydrogen.
At present, the purification of PSA hydrogen production is mainly based on the difference of adsorption capacities of different gases on solid adsorbents, the separation and purification of the gases are realized by changing pressure conditions, and in the process of monitoring pressure change, the pressure protection is realized by carrying out adaptive pressure regulation, but in the prior art, the pressure is released mainly by a pressure release valve, the pressure release valve is relatively slow and single, the condition of pipe explosion or pipe cracking easily occurs, and the safety of the purification of PSA hydrogen production is reduced.
Disclosure of Invention
The invention aims to make up the defects of the prior art and provides purification equipment with pressure protection for producing hydrogen from coke oven gas PSA.
The purification equipment for the coke oven gas PSA hydrogen production comprises a base, wherein the top of the base is provided with a mounting plate, a vibration implementation mechanism is arranged between the top of the base and the bottom of the mounting plate, the top of the mounting plate is fixedly connected with a first adsorption tank and a second adsorption tank respectively, feeding mechanisms are arranged in the first adsorption tank and the second adsorption tank, an auxiliary vibration mechanism is arranged between the outer walls of the first adsorption tank and the second adsorption tank and the top of the mounting plate, pressure sensors are arranged in the first adsorption tank and the second adsorption tank, an air duct is fixedly connected between the first adsorption tank and the second adsorption tank, a first control valve is fixedly connected to the outer walls of the air duct, one end of the first adsorption tank is fixedly connected with an air inlet pipe, an obstruction speed reducing mechanism and a conduction discharging mechanism are respectively arranged between the top of the first adsorption tank, the top of the mounting plate is fixedly connected with an air storage buffer tank through a pair of vertical plates, a flow dividing mechanism is arranged between the air inlet pipe and the air storage buffer tank, and the inner walls of the first adsorption tank are respectively provided with a pressure sensor, and one end of the second adsorption tank is fixedly connected with an air outlet pipe, and the second control valve is fixedly connected with the outer wall of the second adsorption tank.
As a preferential scheme of the invention, the pair of feeding mechanisms comprise feeding pipes, the bottom ends of the pair of feeding pipes are fixedly connected with the top ends of the first adsorption tank and the second adsorption tank respectively, the outer walls of the feeding pipes are fixedly connected with third control valves, upper pore plates closely contacted with the inner walls of the first adsorption tank and the second adsorption tank are arranged in the first adsorption tank and the second adsorption tank respectively, telescopic pipes are fixedly connected between the top ends of the upper pore plates and the bottom ends of the feeding pipes, a pair of first electric telescopic rods are fixedly connected between the top ends of the upper pore plates and the inner top ends of the first adsorption tank and the second adsorption tank respectively, the first electric telescopic rods are fixedly connected with pressure sensors, and lower pore plates are fixedly connected to the inner walls of the first adsorption tank and the second adsorption tank respectively.
As a preferential scheme of the invention, the vibration implementation mechanism comprises a double-shaft motor fixedly connected with the top end of a base, wherein the top ends of the double-shaft motor are fixedly connected with rotating rods, the outer walls of the rotating rods are fixedly connected with cams, a pair of outer walls of the cams are contacted with the bottom end of a mounting plate, the bottom end of the mounting plate is fixedly connected with a plurality of pairs of sleeves, the top end of the base is fixedly connected with a plurality of pairs of fixing rods, the sleeves are sleeved on the outer walls of the fixing rods, the outer walls of the plurality of pairs of fixing rods are sleeved with telescopic springs, and two ends of each telescopic spring are respectively fixedly connected with the bottom end of each sleeve and the top end of the base.
As a preferential scheme of the invention, the auxiliary vibrating mechanism comprises two pairs of side-connected straight plates which are fixedly connected with the top end of the base, a plurality of pairs of T-shaped rods are fixedly connected to opposite sides of one pair of side-connected straight plates, movable sleeve plates are sleeved between outer walls of the pair of T-shaped rods, movable protruding rods are fixedly connected to one ends of the plurality of pairs of movable sleeve plates, which are close to each other, one ends of the movable protruding rods are respectively contacted with outer walls of the first adsorption tank and the second adsorption tank, spring pieces are fixedly connected between the movable sleeve plates and the side-connected straight plates, and a plurality of circular rings are sleeved on outer walls of the first adsorption tank and the second adsorption tank.
As a preferential scheme of the invention, the speed-reducing blocking mechanism comprises a second electric telescopic rod fixedly connected with the top end of an air inlet pipe, the top end of the second electric telescopic rod is fixedly connected with a lifting straight plate, the bottom end of the lifting straight plate is fixedly connected with an extrusion rod, the top end of the air inlet pipe is fixedly connected with a jacking straight cylinder, the inside of the jacking straight cylinder is slidably connected with a piston, the top end of the jacking straight cylinder is provided with a round hole, the bottom end of the extrusion rod penetrates through the round hole and is fixedly connected with the top end of the piston, a built-in pipe is fixedly connected between the jacking straight cylinder and the air inlet pipe, the inside of the built-in pipe is rotationally connected with a pair of rubber sealing sheets, the bottom end of the built-in pipe is fixedly connected with an internal resistance capsule, and the internal resistance capsule is positioned in the air inlet pipe.
As a preferential scheme of the invention, the conduction and discharge mechanism comprises a release pipe fixedly connected with the top end of the first adsorption tank, the inner wall of the release pipe is provided with a sealing round block closely contacted with the release pipe, the outer wall of the release pipe is fixedly connected with a side joint cylinder, a rotary long rod is rotationally connected between the side joint cylinder and the release pipe, one end of the rotary long rod is fixedly connected with the outer wall of the sealing round block, the outer wall of the rotary long rod is sheathed with a gear, the outer wall of the gear is in meshed connection with a rack plate, and the bottom end of the rack plate is fixedly connected with the top end of the lifting straight plate.
As a preferential scheme of the invention, the diversion gas storage mechanism comprises a fixed straight plate fixedly connected with the top end of a base, one end of the fixed straight plate is rotationally connected with a pair of belt pulleys, a transmission belt is connected between the pair of belt pulleys, the outer wall of the transmission belt is fixedly connected with a first L-shaped plate and the outer wall of the transmission belt is fixedly connected with a second L-shaped plate, the bottom end of the second L-shaped plate is fixedly connected with a connecting rod, the top end of a gas storage buffer tank is provided with a through hole, the bottom end of the connecting rod penetrates through the through hole and is fixedly connected with a porous circular plate, the outer wall of the porous circular plate is in contact with the inner wall of the gas storage buffer tank, the bottom end of the porous circular plate is fixedly connected with a circular blocking block, an embedded pipe is fixedly connected between the bottom end of the gas storage buffer tank and the top end of an air inlet pipe, and the outer wall of the circular blocking block is in tight contact with the inner wall of the embedded pipe.
As a preferential scheme of the invention, the outer wall of the gas storage buffer tank is embedded and connected with an exhaust pipe, the outer wall of the gas storage buffer tank is fixedly connected with an air extractor, one end of the exhaust pipe is fixedly connected with one end of the air extractor, and an air outlet pipe is fixedly connected between the other end of the air extractor and the outer wall of the first adsorption tank.
As a preferential scheme of the invention, one ends of the first L-shaped plate and the second L-shaped plate are fixedly connected with sliding rods, one end of the fixed straight plate is cut with a pair of sliding grooves, and one end of the sliding rod is positioned in the sliding grooves and is in sliding connection with the sliding grooves.
Compared with the prior art, the purification equipment for producing hydrogen from coke oven gas PSA with pressure protection has the following beneficial effects:
1. According to the invention, through the feeding mechanism, the vibration implementation mechanism and the auxiliary vibration mechanism, the adsorbent can be driven to be added into the first adsorption tank and the second adsorption tank, and continuously vibrate in the process of adding materials, so that the adsorbent is more compact and uniform to fill, the pulverization phenomenon caused by incomplete filling during the addition of the adsorbent is avoided, and the feeding effect is ensured.
2. According to the invention, through the arrangement of the speed-reducing blocking mechanism and the conduction discharging mechanism, when the pressure sensor detects that the internal pressure of the first adsorption tank is too high, the speed of hydrogen feeding is blocked and reduced, the gas flow of air inlet is regulated, and part of impurity gas adsorbed in the first adsorption tank is driven to be released outwards, so that the pressure is reduced, the pressure balance is maintained, the pressure protection effect is realized, the damage to equipment caused by the too high pressure is avoided, and the operation safety of the equipment is ensured.
3. According to the invention, through the split gas storage mechanism, when the pressure is too high, part of split hydrogen is temporarily stored in the gas storage buffer tank, the condition of the too high pressure is relieved, and when the pressure is too low, the hydrogen in the gas storage buffer tank is discharged into the first adsorption tank so as to supplement hydrogen supply, maintain the normal operation pressure of PSA hydrogen production purification, and further play a role in pressure protection.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic view of a second canister and a feed mechanism in partial cross-section according to the invention;
FIG. 3 is a schematic view of a mounting plate and vibration realisation mechanism of the present invention in partial cutaway;
FIG. 4 is a schematic view of a partial cut-away structure of an auxiliary vibrating mechanism according to the present invention;
FIG. 5 is a schematic view of a feed tube and a speed reduction impeding mechanism in partial cross-section according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic view of a partially cut-away construction of a conduction vent mechanism in accordance with the present invention;
FIG. 8 is a schematic view of a partial cut-away configuration of a gas storage buffer tank and a split gas storage mechanism of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8B according to the present invention;
FIG. 10 is a schematic view of a partial perspective view of a first canister and a split gas storage mechanism according to the invention.
In the figure, 1, a base; 2, mounting plates; 3, a first adsorption tank; 4, a second adsorption tank, 5, an air inlet pipe, 6, an air guide pipe, 7, a first control valve, 8, an air outlet pipe, 9, a second control valve, 10, a feeding mechanism, 1001, a feeding pipe, 1002, a third control valve, 1003, a telescopic pipe, 1004, an upper pore plate, 1005, a lower pore plate, 1006, a first electric telescopic rod, 11, a vibration implementation mechanism, 1101, a double-shaft motor, 1102, a rotating rod, 1103, a cam, 1104, a sleeve, 1105, a fixed rod, 1106, a telescopic spring, 12, an auxiliary vibration material mechanism, 1201, a side straight plate, 1202, a T-shaped rod, 1203, a moving sleeve, 1204, a spring leaf, 1205, a movable convex rod, 1206, a circular ring, 13, an obstacle reducing mechanism, 1301, a second electric telescopic rod, 1302, a lifting straight plate, 1303, a top straight cylinder, 1304, a piston, a squeeze rod, 1306, a side straight tube, 1307, a rubber inner sheet, a bag, 14, a conduction discharge mechanism, a release tube, 1402, a sealing circular block, 1403, a side straight tube, a rotating long rod, 1405, a gear 1405, a fixed rod, a flexible sheet, 1204, a spring sheet, a flexible sheet, a movable convex sheet, 1206, a circular ring, a piston, a 13, a blocking and a damping sheet, a 1301, a second electric telescopic sheet, a 1302, a lifting straight sheet, a lifting sheet, a lifting, a lifting, a.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the invention provides a technical scheme, which comprises a base 1, wherein the top of the base 1 is provided with a mounting plate 2, a vibration implementation mechanism 11 is arranged between the top end of the base 1 and the bottom end of the mounting plate 2, the top end of the mounting plate 2 is respectively and fixedly connected with a first adsorption tank 3 and a second adsorption tank 4, a feeding mechanism 10 is arranged in each of the first adsorption tank 3 and the second adsorption tank 4, an auxiliary vibration mechanism 12 is arranged between the outer walls of the first adsorption tank 3 and the second adsorption tank 4 and the top end of the mounting plate 2, a pressure sensor 17 is arranged in each of the first adsorption tank 3 and the second adsorption tank 4, an air guide pipe 6 is fixedly connected between the first adsorption tank 3 and the second adsorption tank 4, a first control valve 7 is fixedly connected with the outer wall of the air guide pipe 6, one end of the first adsorption tank 3 is fixedly connected with an air inlet pipe 5, a damping mechanism 13 is respectively arranged between the top end of the air inlet pipe 5 and the first adsorption tank 3 and the top end of the first adsorption tank 4, a buffer plate 15 is fixedly connected with an air storage tank 15, a buffer mechanism 14 is connected with the top end of the air guide pipe 15, and the air guide pipe 15 is fixedly connected with the top end of the second adsorption tank 4, and the air guide mechanism is fixedly connected with the top end of the air guide pipe 8, and the air guide pipe 15 is fixedly connected with the top end of the air guide pipe 5, and the top end of the air guide pipe 4 is respectively, and the air tank is connected with the air tank 2, and is respectively, and is connected with the top end well, and has a control device is shown in the air tank and has a device.
According to the integral structure of the device, the first adsorption tank 3 and the second adsorption tank 4 are used as adsorption and regeneration respectively, then the adsorbent is added through the feeding mechanism 10, the adsorbent is filled more tightly and uniformly through the vibration action of the vibration implementation mechanism 11 and the auxiliary vibration mechanism 12, and in the PSA hydrogen production purification process, when the pressure is changed and is too high or too low, the pressure is driven to be adaptively adjusted through the cooperation of the retarding deceleration mechanism 13 and the conduction emission mechanism 14 and the diversion gas storage mechanism 16, so that the pressure balance is maintained, and the operation safety of the PSA hydrogen production purification device is ensured.
As shown in fig. 1 and 2, the feeding mechanisms 10 include a feeding pipe 1001, the bottom ends of the feeding pipes 1001 are fixedly connected with the top ends of the first adsorption tank 3 and the second adsorption tank 4 respectively, the outer wall of the feeding pipe 1001 is fixedly connected with a third control valve 1002, the inner parts of the first adsorption tank 3 and the second adsorption tank 4 are respectively provided with an upper orifice plate 1004 closely contacted with the inner wall of the feeding pipe, a telescopic pipe 1003 is fixedly connected between the top ends of the upper orifice plate 1004 and the bottom ends of the feeding pipes 1001, a pair of first electric telescopic rods 1006 are respectively and fixedly connected between the top ends of the upper orifice plate 1004 and the inner top ends of the first adsorption tank 3 and the second adsorption tank 4, the first electric telescopic rods 1006 are fixedly connected with a pressure sensor 17, and the inner walls of the first adsorption tank 3 and the second adsorption tank 4 are respectively fixedly connected with a lower orifice plate 1005.
By setting the feeding mechanism 10, the third control valve 1002 is opened, and the adsorbent is respectively added into the first adsorption tank 3 and the second adsorption tank 4 through the feeding pipe 1001 and the telescopic pipe 1003 and is positioned between the upper orifice plate 1004 and the lower orifice plate 1005, wherein the diameter of the adsorbent is larger than the diameters of the upper orifice plate 1004 and the lower orifice plate 1005 so as to adsorb and purify the hydrogen.
As shown in fig. 1 and 3, the vibration implementation mechanism 11 includes a dual-shaft motor 1101 fixedly connected with the top end of the base 1, the top ends of the dual-shaft motor 1101 are fixedly connected with a rotating rod 1102, the outer walls of the rotating rod 1102 are fixedly connected with cams 1103, the outer walls of the pair of cams 1103 are contacted with the bottom end of the mounting plate 2, the bottom end of the mounting plate 2 is fixedly connected with a plurality of pairs of sleeves 1104, the top end of the base 1 is fixedly connected with a plurality of pairs of fixing rods 1105, the sleeves 1104 are sleeved on the outer walls of the fixing rods 1105, the outer walls of the plurality of pairs of fixing rods 1105 are sleeved with telescopic springs 1106, and two ends of each telescopic spring 1106 are respectively fixedly connected with the bottom ends of the sleeves 1104 and the top end of the base 1.
Through setting up of vibration implementation mechanism 11, biax motor 1101 drives a pair of cam 1103 and rotates, makes the protruding end of a pair of cam 1103 extrude first adsorption tank 3 and second adsorption tank 4 repeatedly and upwards move to after the extrusion, drive first adsorption tank 3 and second adsorption tank 4 through the elastic action of telescopic spring 1106 and reset downwards, make first adsorption tank 3 and second adsorption tank 4 carry out upper and lower repetitive motion, thereby realize lasting vibration, make the adsorbent pack more compact even, pack the phenomenon of chalking when avoiding the adsorbent to add inadequately, guarantee its feeding effect.
As shown in fig. 1 and fig. 4, the auxiliary vibration mechanism 12 includes two pairs of lateral straight plates 1201 fixedly connected with the top end of the base 1, a plurality of pairs of T-shaped rods 1202 are fixedly connected to opposite sides of the pair of lateral straight plates 1201, a movable sleeve plate 1203 is sleeved between outer walls of the pair of T-shaped rods 1202, one ends of the plurality of pairs of movable sleeve plates 1203, which are close to each other, are fixedly connected with movable protruding rods 1205, one ends of the movable protruding rods 1205 are respectively contacted with outer walls of the first adsorption tank 3 and the second adsorption tank 4, a spring piece 1204 is fixedly connected between the movable sleeve plate 1203 and the lateral straight plates 1201, and a plurality of circular rings 1206 are sleeved on outer walls of the first adsorption tank 3 and the second adsorption tank 4.
Through the setting of supplementary vibration material mechanism 12, when first adsorption tank 3 and second adsorption tank 4 up-and-down motion, drive a plurality of rings 1206 synchronous motion, extrude movable protruding pole 1205 and removal sleeve plate 1203 along T shape pole 1202 to the side joint straight board 1201 direction motion, separate with the outer wall of first adsorption tank 3 and second adsorption tank 4, and press at the ring 1206 and end, separate with it, drive movable protruding pole 1205 and removal sleeve plate 1203 through the elastic action of spring leaf 1204 and reset, make movable protruding pole 1205 and the outer wall contact collision of first adsorption tank 3 and second adsorption tank 4, so repeatedly, produce the vibration, further make the more compact even that the adsorbent was filled, thereby the pulverization phenomenon appears in the time of avoiding the adsorbent to add, further guarantee its feeding effect.
As shown in fig. 1,5 and 6, the speed-reducing blocking mechanism 13 includes a second electric telescopic rod 1301 fixedly connected to the top end of the air inlet pipe 5, a lifting straight plate 1302 is fixedly connected to the top end of the second electric telescopic rod 1301, a squeeze rod 1305 is fixedly connected to the bottom end of the lifting straight plate 1302, a top connection straight cylinder 1303 is fixedly connected to the top end of the air inlet pipe 5, a piston 1304 is slidingly connected to the inside of the top connection straight cylinder 1303, a round hole is cut in the top end of the top connection straight cylinder 1303, the bottom end of the squeeze rod 1305 penetrates through the round hole and is fixedly connected to the top end of the piston 1304, an inner pipe 1306 is fixedly connected to the air inlet pipe 5, a pair of rubber sealing sheets 1307 are rotatably connected to the inside of the inner pipe 1306, an inner bag 1308 is fixedly connected to the bottom end of the inner bag 1306, and the inner bag 1308 is located in the air inlet pipe 5.
Through the setting of the speed-reducing blocking mechanism 13, when the pressure sensor 17 detects that the internal pressure of the first adsorption tank 3 is too high, the second electric telescopic rod 1301 pulls the extrusion rod 1305 and the piston 1304 to move downwards through the lifting straight plate 1302, so that the piston 1304 extrudes air in the jacking straight cylinder 1303 to jack up a pair of rubber sealing sheets 1307, the air enters the internal resistance capsule 1308 through the built-in pipe 1306, the internal resistance capsule 1308 is promoted to expand, the air in the air inlet pipe 5 is occupied, the feeding speed of the air is slowed down, the air flow of the air inlet is regulated, the internal pressure of the first adsorption tank 3 is relieved, and the pressure balance is maintained.
As shown in fig. 1 and 7, the conduction and discharge mechanism 14 comprises a release tube 1401 fixedly connected with the top end of the first adsorption tank 3, a sealing round block 1402 tightly contacted with the release tube 1401 is arranged on the inner wall of the release tube 1401, a side joint barrel 1403 is fixedly connected with the outer wall of the release tube 1401, a rotary long rod 1404 is rotatably connected between the side joint barrel 1403 and the release tube 1401, one end of the rotary long rod 1404 is fixedly connected with the outer wall of the sealing round block 1402, a gear 1405 is sleeved on the outer wall of the rotary long rod 1404, a rack plate 1406 is connected with the outer wall of the gear 1405 in a meshed manner, and the bottom end of the rack plate 1406 is fixedly connected with the top end of the lifting straight plate 1302.
Through the arrangement of the conduction discharge mechanism 14, the lifting straight plate 1302 drives the rack plate 1406 to move downwards when moving downwards, the rack plate 1406 drives the gear 1405 to rotate through the meshing transmission function, the gear 1405 drives the sealing round block 1402 to rotate through the rotating long rod 1404, the sealing of the release pipe 1401 is canceled, part of impurity gas adsorbed in the first adsorption tank 3 is caused to be released outwards, the pressure is reduced, the pressure is maintained to be stable, the pressure protection function is achieved, the damage to equipment caused by the excessive pressure is avoided, and the operation safety of the equipment is ensured.
As shown in fig. 1, fig. 8, fig. 9 and fig. 10, the shunt gas storage mechanism 16 includes the fixed straight plate 1601 with base 1 top fixed connection, the one end of fixed straight plate 1601 rotates and is connected with a pair of belt pulley 1602, and the transmission is connected with drive belt 1603 between a pair of belt pulley 1602, the outer wall of drive belt 1603 and the one end fixedly connected with first L-shaped plate 1604 of lift straight plate 1302, and the outer wall fixedly connected with second L-shaped plate 1605 of drive belt 1603, the bottom fixedly connected with of second L-shaped plate 1605 links up with the pole 1606, and the top of gas storage buffer tank 15 has the through-hole, the bottom of linking pole 1606 passes the through-hole, and fixedly connected with porous plectane 1607, the outer wall of porous plectane 1607 contacts with the inner wall of gas storage buffer tank 15, and fixedly connected with embedded pipe 1608 between the bottom of porous plectane 1607 and the air inlet pipe 5 top, and the outer wall inseparable contact of circle block 1609, the outer wall of gas storage buffer tank 15 is inlayed and is connected with second L-shaped plate 16011, the air inlet duct 1601, the bottom of second L-shaped plate 1601 is fixedly connected with first end of air duct 1601, the air duct 1601 is connected with first end of the air duct 1601, and the first end of the air pump 1601 is fixedly connected with first end of the air pump 1601, the first end of the air pump 16010 is fixedly connected with the first end of the air pump 16011, the first end of the air pump 16011 is fixedly connected with the first end of the air pump 16012, the air pump 16012 is connected with the first end of the air pump 16012, and the first end of the air pump 16013 is fixedly connected with, and the air pump 16013 is connected with.
Through the setting of reposition of redundant personnel gas storage mechanism 16, lift straight board 1302 moves down, drive first L shaped plate 1604 and move down, first L shaped plate 1604 drives the drive belt 1603 and moves under the assistance of a pair of belt pulley 1602, and drive the second L shaped plate 1605 of opposite side and move upwards, make second L shaped plate 1605 pass through connecting rod 1606 drive porous plectane 1607 and round shutoff piece 1609 and move upwards, cancel the jam to embedded pipe 1608, promote the partial hydrogen reposition of redundant personnel in the intake pipe 5 to enter into embedded pipe 1608, enter into the gas storage buffer tank 15 after the dispersion buffering of porous plectane 1607 again, carry out temporary storage, alleviate the condition of pressure too high, and when pressure is too low, the hydrogen in the gas storage buffer tank 15 is drawn through exhaust duct 16011 to the air exhauster 16010 discharges into first adsorption tank 3 through outlet duct 16012, in order to supplement hydrogen supply, maintain the normal operating pressure of PSA purification, further play the effect of pressure protection.
Working principle: firstly, the third control valve 1002 is opened, the adsorbent is respectively added into the first adsorption tank 3 and the second adsorption tank 4 through the feed pipe 1001 and the telescopic pipe 1003, and is positioned between the upper pore plate 1004 and the lower pore plate 1005, meanwhile, the double-shaft motor 1101 drives the pair of cams 1103 to rotate, so that the protruding ends of the pair of cams 1103 repeatedly press the first adsorption tank 3 and the second adsorption tank 4 to move upwards, and after the pressing is finished, the first adsorption tank 3 and the second adsorption tank 4 are driven to reset downwards through the elastic action of the telescopic spring 1106, the first adsorption tank 3 and the second adsorption tank 4 are driven to continuously vibrate, and when the first adsorption tank 3 and the second adsorption tank 4 move up and down, the plurality of circular rings 1206 are driven to synchronously move, the pressing movable protruding rod 1205 and the movable sleeve plate 1203 move along the T-shaped rod 1202 towards the direction of the lateral straight plate 1201 and are separated from the outer walls of the first adsorption tank 3 and the second adsorption tank 4, after the extrusion of the circular ring 1206 is finished, the movable protruding rod 1205 and the movable sleeve 1203 are separated from each other, and perform reset movement under the elastic action of the spring piece 1204, so that the movable protruding rod 1205 is caused to contact and collide with the outer walls of the first adsorption tank 3 and the second adsorption tank 4, repeatedly generate vibration, drive the adsorbent to be tightly and uniformly filled in cooperation with the first electric telescopic rod 1006, then the hydrogen enters the first adsorption tank 3 through the air inlet pipe 5, enters the adsorbent through the lower orifice 1005, so that the impurity gas in the adsorbent is adsorbed by the lower orifice 1005, is discharged upwards from the upper orifice 1004, enters the second adsorption tank 4 through the air duct 6 and the first control valve 7, and is caused to adsorb and purify the hydrogen under the adsorption and regeneration use effects of the first adsorption tank 3 and the second adsorption tank 4, wherein when the pressure sensor 17 detects that the internal pressure of the first adsorption tank 3 is too high, the second electric telescopic rod 1301 pulls the lifting straight plate 1302 and the extrusion rod 1305 to move downwards, drives the piston 1304 to extrude the air in the jacking straight cylinder 1303 to jack up a pair of rubber sealing sheets 1307, enters the internal resistance capsule 1308 through the built-in pipe 1306, promotes the internal resistance capsule 1308 to expand, occupies the air in the air inlet pipe 5, blocks the air in the air inlet pipe 5, slows down the feeding speed of the air, regulates the air flow of the air inlet, simultaneously drives the rack plate 1406 to move downwards when the lifting straight plate 1302 moves downwards, drives the gear 1405 to rotate through meshing transmission, the gear 1405 drives the sealing round block 1402 to rotate through rotating the long rod 1404, cancels sealing of the release pipe 1401, promotes part of impurity gas adsorbed in the first adsorption tank 3 to release outwards, reduces the pressure, and drives the first L-shaped plate 1604 to move downwards when the lifting straight plate 1302 moves downwards, the first L-shaped plate 1604 drives the driving belt 1603 to move with the assistance of the pair of pulleys 1602 and drives the second L-shaped plate 1605 at the other side to move upwards, so that the second L-shaped plate 1605 drives the porous circular plate 1607 and the circular block 1609 to move upwards through the connecting rod 1606, the blocking of the embedded pipe 1608 is eliminated, partial hydrogen in the air inlet pipe 5 is caused to be shunted into the embedded pipe 1608, then is dispersed and buffered by the porous circular plate 1607 and then enters the air storage buffer tank 15 for temporary storage, the condition of too high pressure is relieved, and when the pressure is too low, the air extractor 16010 extracts the hydrogen in the air storage buffer tank 15 through the air extraction pipe 16012 to be discharged into the first adsorption tank 3 through the air outlet pipe 16012 so as to supplement the hydrogen supply, the normal operation pressure of the PSA hydrogen production purification is maintained, and then the purified hydrogen is discharged outwards through the air outlet pipe 8.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The purification equipment for producing hydrogen from coke oven gas PSA with pressure protection comprises a base (1) and is characterized in that an installation plate (2) is arranged at the top of the base (1), a vibration implementation mechanism (11) is arranged between the top of the base (1) and the bottom of the installation plate (2), a first adsorption tank (3) and a second adsorption tank (4) are fixedly connected to the top of the installation plate (2) respectively, a feeding mechanism (10) is arranged in the first adsorption tank (3) and the second adsorption tank (4), an auxiliary vibration mechanism (12) is arranged between the outer walls of the first adsorption tank (3) and the second adsorption tank (4) and the top of the installation plate (2), a pressure sensor (17) is arranged in the first adsorption tank (3) and the second adsorption tank (4), an air guide pipe (6) is fixedly connected between the first adsorption tank (3) and the second adsorption tank (4), a first control valve (7) is fixedly connected to the outer wall of the air guide pipe (6), one end of the first adsorption tank (3) is fixedly connected with a feeding mechanism (5), a damping mechanism (13) is arranged between the first adsorption tank (3) and the top of the installation plate (2) and the installation plate (14) through a damping mechanism (13), a diversion gas storage mechanism (16) is arranged between the gas inlet pipe (5) and the gas storage buffer tank (15), the top end of the second adsorption tank (4) is fixedly connected with an exhaust pipe (8), and the outer wall of the exhaust pipe (8) is fixedly connected with a second control valve (9);
The anti-deceleration mechanism (13) comprises a second electric telescopic rod (1301) fixedly connected with the top end of an air inlet pipe (5), a lifting straight plate (1302) is fixedly connected with the top end of the second electric telescopic rod (1301), a squeezing rod (1305) is fixedly connected with the bottom end of the lifting straight plate (1302), a top straight cylinder (1303) is fixedly connected with the top end of the air inlet pipe (5), a piston (1304) is slidingly connected inside the top straight cylinder (1303), a round hole is cut in the top end of the top straight cylinder (1303), the bottom end of the squeezing rod (1305) penetrates through the round hole and is fixedly connected with the top end of the piston (1304), a built-in pipe (1306) is fixedly connected between the top straight cylinder (1303) and the air inlet pipe (5), a pair of rubber sealing sheets (1307) are rotatably connected inside the built-in pipe (1306), an internal resistance capsule (1308) is fixedly connected with the bottom end of the built-in pipe (1306), the internal resistance capsule (1308) is located in the air inlet pipe (5), the conduction and discharge mechanism (14) comprises a release pipe (1403) fixedly connected with the top end of the first adsorption tank (3), a release pipe (1401), a side joint (1401) is tightly connected with the inner wall of the release pipe (1401), a cylinder (1401), a sealing block (1401) is tightly connected with the release pipe (1401), and the release pipe is tightly connected with the inner pipe (1401) through the release pipe, one end of the rotary long rod (1404) is fixedly connected with the outer wall of the sealing round block (1402), a gear (1405) is sleeved on the outer wall of the rotary long rod (1404), a rack plate (1406) is connected with the outer wall of the gear (1405) in a meshed mode, and the bottom end of the rack plate (1406) is fixedly connected with the top end of the lifting straight plate (1302).
2. The purification device with pressure protection for producing hydrogen from coke oven gas PSA is characterized in that the pair of feeding mechanisms (10) comprises a feeding pipe (1001), the bottom ends of the pair of feeding pipes (1001) are fixedly connected with the top ends of a first adsorption tank (3) and a second adsorption tank (4) respectively, the outer wall of the feeding pipe (1001) is fixedly connected with a third control valve (1002), upper pore plates (1004) tightly contacted with the inner walls of the first adsorption tank (3) and the second adsorption tank (4) are arranged in the first adsorption tank (3) and the second adsorption tank (4), telescopic pipes (1003) are fixedly connected between the top ends of the upper pore plates (1004) and the bottom ends of the feeding pipes (1001), a pair of first electric telescopic rods (1006) are fixedly connected between the top ends of the upper pore plates (1004) and the inner top ends of the first adsorption tank (3) and the second adsorption tank (4) respectively, the first electric telescopic rods (1006) are fixedly connected with a pressure sensor (17), and the lower pore plates (1005) are fixedly connected with the inner walls of the first adsorption tank (3) and the second adsorption tank (4).
3. The purification device with pressure protection for producing hydrogen from coke oven gas PSA is characterized in that the vibration implementation mechanism (11) comprises a double-shaft motor (1101) fixedly connected with the top end of a base (1), the top ends of the double-shaft motor (1101) are fixedly connected with rotating rods (1102), the outer walls of the rotating rods (1102) are fixedly connected with cams (1103), the outer walls of a pair of cams (1103) are in contact with the bottom end of a mounting plate (2), the bottom end of the mounting plate (2) is fixedly connected with a plurality of pairs of sleeves (1104), the top end of the base (1) is fixedly connected with a plurality of pairs of fixing rods (1105), the sleeves (1104) are sleeved on the outer walls of the fixing rods (1105), the outer walls of the plurality of pairs of fixing rods (1105) are sleeved with telescopic springs (1106), and two ends of each telescopic spring (1106) are fixedly connected with the bottom end of each sleeve (1104) and the top end of the base (1).
4. The purification device with pressure protection for producing hydrogen from coke oven gas PSA is characterized in that the auxiliary vibrating mechanism (12) comprises two pairs of side-connecting straight plates (1201) which are fixedly connected with the top end of the base (1), a plurality of pairs of T-shaped rods (1202) are fixedly connected to opposite sides of one pair of side-connecting straight plates (1201), movable sleeve plates (1203) are sleeved between the outer walls of the pair of T-shaped rods (1202), movable protruding rods (1205) are fixedly connected to one ends, close to the plurality of pairs of movable sleeve plates (1203), of the movable protruding rods (1205) are respectively contacted with the outer walls of the first adsorption tank (3) and the second adsorption tank (4), a plurality of rings (1206) are fixedly connected between the movable sleeve plates (1203) and the side-connecting straight plates (1201), and a plurality of rings (1206) are sleeved on the outer walls of the first adsorption tank (3) and the second adsorption tank (4).
5. The purification device for producing hydrogen from coke oven gas PSA with pressure protection according to claim 1, wherein the gas diversion storage mechanism (16) comprises a fixed straight plate (1601) fixedly connected with the top end of the base (1), one end of the fixed straight plate (1601) is rotatably connected with a pair of belt pulleys (1602), a transmission belt (1603) is connected between the pair of belt pulleys (1602), a first L-shaped plate (1604) is fixedly connected with one end of the lifting straight plate (1302) and the outer wall of the transmission belt (1603), a second L-shaped plate (1605) is fixedly connected with the outer wall of the transmission belt (1603), a connecting rod (1606) is fixedly connected with the bottom end of the second L-shaped plate (1605), a through hole is cut at the top end of the gas storage buffer tank (15), the bottom end of the connecting rod (1606) penetrates through the through hole and is fixedly connected with a porous circular plate (1607), the outer wall of the porous circular plate (1607) is contacted with the inner wall of the gas storage buffer tank (15), the bottom end of the porous circular plate (1607) is fixedly connected with a circular block (1609), and the top end of the circular block (1609) is tightly contacted with the inner wall of the gas storage buffer tank (1609).
6. The purification device with pressure protection for producing hydrogen from coke oven gas PSA according to claim 5, wherein an exhaust pipe (16011) is embedded and connected on the outer wall of the gas storage buffer tank (15), an air extractor (16010) is fixedly connected on the outer wall of the gas storage buffer tank (15), one end of the exhaust pipe (16011) is fixedly connected with one end of the air extractor (16010), and an air outlet pipe (16012) is fixedly connected between the other end of the air extractor (16010) and the outer wall of the first adsorption tank (3).
7. The purifying device for producing hydrogen from coke oven gas PSA with pressure protection according to claim 5, wherein one end of each of the first L-shaped plate (1604) and the second L-shaped plate (16015) is fixedly connected with a sliding rod (16013), one end of the fixed straight plate (1601) is cut with a pair of sliding grooves (16014), and one end of the sliding rod (16013) is located in the sliding groove (16014) and is in sliding connection with the sliding rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510222293.6A CN119701566B (en) | 2025-02-27 | 2025-02-27 | Purification equipment with pressure protection for coke oven gas PSA hydrogen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510222293.6A CN119701566B (en) | 2025-02-27 | 2025-02-27 | Purification equipment with pressure protection for coke oven gas PSA hydrogen production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119701566A CN119701566A (en) | 2025-03-28 |
| CN119701566B true CN119701566B (en) | 2025-06-24 |
Family
ID=95077097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510222293.6A Active CN119701566B (en) | 2025-02-27 | 2025-02-27 | Purification equipment with pressure protection for coke oven gas PSA hydrogen production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119701566B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211435632U (en) * | 2019-09-26 | 2020-09-08 | 河南硅烷科技发展股份有限公司 | Coke oven gas hydrogen production adsorption tower device |
| CN212575959U (en) * | 2020-04-30 | 2021-02-23 | 天津新科联泰金属制品有限公司 | Multiple purification VOCS adsorbs recovery unit |
| CN220939886U (en) * | 2023-05-12 | 2024-05-14 | 淄博隆邦化工有限公司 | Raw material gas pretreatment system of pressure swing adsorption device |
| CN119406197A (en) * | 2025-01-06 | 2025-02-11 | 杭州聚贤气体设备制造有限公司 | A zero gas consumption PSA air separation nitrogen production device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207806A (en) * | 1991-10-08 | 1993-05-04 | Praxair Technology, Inc. | Dual product pressure swing adsorption and membrane operations |
| CA3045040C (en) * | 2016-12-21 | 2022-04-26 | Exxonmobil Upstream Research Company | Self-supporting structures having foam-geometry structure and active materials |
| CN209445054U (en) * | 2018-09-30 | 2019-09-27 | 天津金泰盛世石化设备有限公司 | A kind of pressure vessel with high-pressure stop function |
| CN213493581U (en) * | 2020-09-14 | 2021-06-22 | 无棣德信化工有限公司 | Catalyst tank for producing soft foam polyether |
| CN114636096B (en) * | 2022-03-03 | 2023-09-08 | 宜兴市压力容器厂有限公司 | Vertical air storage tank capable of dynamically adjusting internal air pressure |
| CN217677705U (en) * | 2022-06-06 | 2022-10-28 | 山东索力得焊材股份有限公司 | Furnace protection system of bell-type annealing furnace |
| CN117563376B (en) * | 2024-01-15 | 2024-03-26 | 深圳市艾卓睿科技有限公司 | Tail gas recovery device and method for reciprocating vacuum pump |
-
2025
- 2025-02-27 CN CN202510222293.6A patent/CN119701566B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211435632U (en) * | 2019-09-26 | 2020-09-08 | 河南硅烷科技发展股份有限公司 | Coke oven gas hydrogen production adsorption tower device |
| CN212575959U (en) * | 2020-04-30 | 2021-02-23 | 天津新科联泰金属制品有限公司 | Multiple purification VOCS adsorbs recovery unit |
| CN220939886U (en) * | 2023-05-12 | 2024-05-14 | 淄博隆邦化工有限公司 | Raw material gas pretreatment system of pressure swing adsorption device |
| CN119406197A (en) * | 2025-01-06 | 2025-02-11 | 杭州聚贤气体设备制造有限公司 | A zero gas consumption PSA air separation nitrogen production device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119701566A (en) | 2025-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002504420A (en) | Gas separation method by pressure swing adsorption using inherently highly diffusive adsorbent and low pressure ratio | |
| AU784559B2 (en) | adsorption processes | |
| CN105727688B (en) | A kind of pressure-swing absorber | |
| CN119701566B (en) | Purification equipment with pressure protection for coke oven gas PSA hydrogen production | |
| CN119075586A (en) | Gas purifying method and device | |
| KR20250000120A (en) | Apparatus for recovering carbon dioxide | |
| CN222752903U (en) | Separation equipment for nitrogen purification | |
| CN114272720B (en) | Adsorption tower for purifying carbon dioxide waste gas for dry ice preparation | |
| CN114715851A (en) | PSA oxygen generation process and system thereof | |
| CN220573079U (en) | Radial flow adsorption VPSA oxygen production equipment | |
| CN202061531U (en) | Non-heating regeneration adsorption type compressed air drier | |
| CN100493671C (en) | An Improved Two-Stage Pressure Swing Adsorption Decarburization Method | |
| CN210631903U (en) | Pressure swing adsorption air separation nitrogen making device | |
| EP0122874B1 (en) | Process for separating a mixed gas into oxygen and nitrogen under low temperature and low pressure conditions | |
| CN116585850B (en) | An oxygen production adsorption tower with a composite adsorption bed | |
| CN209451571U (en) | A rotary cycle adsorption and desorption integrated trap | |
| CN1436588A (en) | Oxygen generator | |
| CN213275013U (en) | Dust adsorption and collection equipment for environmental monitoring | |
| CN214242888U (en) | Feeding system for particle filler in container | |
| CN222918403U (en) | Combined active carbon adsorber | |
| CN114345081A (en) | Pressure swing adsorption oxygen generation device for producing high-purity oxygen by using two-stage PSA | |
| CN1055273C (en) | Appts. and method of secondary absorption of air for preparing rich N | |
| CN222057701U (en) | A cyclone separation device for sulfonation unit | |
| CN219149697U (en) | Honeycomb carbon filter box | |
| CN117398809B (en) | Laboratory tail gas treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |