CN116812846A - System and method for loading and unloading asphalt in harbor district - Google Patents
System and method for loading and unloading asphalt in harbor district Download PDFInfo
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- CN116812846A CN116812846A CN202310745186.2A CN202310745186A CN116812846A CN 116812846 A CN116812846 A CN 116812846A CN 202310745186 A CN202310745186 A CN 202310745186A CN 116812846 A CN116812846 A CN 116812846A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/72—Devices for applying air or other gas pressure for forcing liquid to delivery point
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D9/00—Apparatus or devices for transferring liquids when loading or unloading ships
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The application relates to the technical field of port area asphalt loading and unloading, and discloses a port area asphalt loading and unloading system, which comprises an asphalt circulating extraction loop, an asphalt smoke discharge treatment loop and a nitrogen output treatment loop; the asphalt circulating extraction loop consists of an asphalt conveying pipeline, an asphalt discharge pipeline, a plurality of butterfly valves and a plurality of telescopic conveying pipelines; the asphalt fume exhaust treatment ring consists of an asphalt fume exhaust pipeline, a water seal well and an industrial water tank communicated with the water seal well through a pipeline; the nitrogen output treatment ring consists of a nitrogen output pipeline, a nitrogen generator and a plurality of nitrogen extension pipes. The asphalt circulation extraction loop, the asphalt fume discharge processing loop and the nitrogen output processing loop in the application can solve the technical problems that asphalt fume is generated when asphalt is loaded and unloaded in the prior art, and after the unloading of the asphalt is finished, part of asphalt remains in a conveying pipeline, and if the rest asphalt is not discharged in time, the residual asphalt is likely to solidify, so that the pipeline is blocked.
Description
Technical Field
The application relates to the technical field of port area asphalt loading and unloading, in particular to a port area asphalt loading and unloading system and a port area asphalt loading and unloading method.
Background
Skid-mounted equipment for asphalt loading and unloading is equipment specially used for loading and unloading asphalt in ports. The skid-mounted equipment for asphalt loading and unloading is provided with a bridge type unloading frame, the bridge type unloading frame is provided with a pipeline for transporting asphalt, one end (asphalt inlet end) of the pipeline is connected with an asphalt freight ship through a hose, the other end (asphalt outlet) of the pipeline is arranged on a bridge above the unloading frame, and the pipeline of the asphalt outlet is vertically downwards arranged.
During operation, the asphalt loading vehicle runs below the bridge of the unloading frame, the asphalt outlet pipeline on the unloading frame is aligned with the cargo compartment of the asphalt vehicle, then the asphalt conveying pump is started, and asphalt on the asphalt freight ship is loaded into the cargo compartment of the vehicle through the asphalt outlet pipeline. Because different vehicles have different heights, in order to adapt to the different heights of the vehicles in the prior art, the height of the vehicle is adjusted by arranging a movable two-section iron sheet sleeve on an asphalt outlet, and the iron sheet sleeve is usually temporarily installed by an operator before the loading operation starts and is connected to a fixed pipeline of the oil outlet in a binding mode by using a nylon rope. This structure results in the following drawbacks during asphalt handling:
firstly, the iron sheet sleeve connection mode is poor in reliability, has a falling risk and has a large potential safety hazard. Because asphalt is in a high-temperature liquid state, a large amount of leakage can occur once the sleeve falls off, and personnel scalding and environmental pollution accidents can be caused; secondly, production efficiency is low, and sleeve pipe dismouting is more difficult, and in the operation in-process, needs the manual work to pull up or put down outer sleeve pipe, and the operation mode is behind, and high regulation is inaccurate.
In order to solve the technical problems, chinese patent document (publication No. CN 208948839U) discloses an oil outlet telescopic device of skid-mounted equipment for asphalt loading and unloading, comprising a telescopic tube sleeved on an asphalt oil outlet pipeline and capable of moving up and down, a steel wire rope reel connected with the telescopic tube through a steel wire rope, the steel wire rope reel drives rotation and realizes retraction of the steel wire rope through a speed reduction transmission device connected with the steel wire rope reel, and a guiding device for guiding the telescopic tube to move up and down is arranged on the outer circle of the telescopic tube.
However, the above technical solution has the following technical problems: 1. asphalt in the above-mentioned scheme is in the in-process of uninstalling, and asphalt can migrate to the air in the form of smog and form the asphalt cigarette that has the pollution effect, and asphalt cigarette is derived along with the derivation of asphalt, therefore more asphalt cigarette can be adsorbed by staff's health, and is great to staff's health injury. 2. After unloading, part of asphalt still remains in the conveying pipeline, and if the residual asphalt is not discharged in time, the residual asphalt is possibly solidified to cause pipeline blockage, so that the asphalt filling efficiency of the next asphalt vehicle is greatly influenced.
Disclosure of Invention
The application aims to provide a port region asphalt loading and unloading system, which is used for solving the technical problems that asphalt smoke is generated when asphalt is loaded and unloaded in the prior art, and part of asphalt remains in a conveying pipeline after the unloading is finished, and if the rest asphalt is not discharged in time, the residual asphalt is possibly solidified to cause pipeline blockage.
In order to achieve the above purpose, the application adopts the following technical scheme: a port region asphalt loading and unloading system comprises an asphalt circulating extraction loop, an asphalt fume exhaust treatment loop and a nitrogen output treatment loop;
the asphalt circulating extraction loop consists of an asphalt conveying pipeline, an asphalt discharge pipeline, a plurality of butterfly valves and a plurality of telescopic conveying pipelines, wherein the asphalt conveying pipeline comprises an asphalt conveying main pipe communicated with an asphalt self-pumping ship, a plurality of asphalt conveying branch pipes are arranged on the asphalt conveying main pipe at intervals along the axial direction of the asphalt conveying main pipe, the tail end of each asphalt conveying branch pipe is communicated with the input end of the corresponding butterfly valve, the output end of each butterfly valve is communicated with the corresponding telescopic conveying pipeline, and the tail end of the telescopic conveying pipeline is provided with a spigot which can be communicated with a cargo carrying bin of an asphalt vehicle or communicated with the asphalt discharge pipeline;
the asphalt fume discharging treatment ring consists of an asphalt fume discharging pipeline, a water seal well and an industrial water pool communicated with the water seal well through a pipeline, wherein the asphalt fume discharging pipeline comprises an asphalt fume main pipe communicated with the water seal well, a plurality of asphalt fume branch pipes are arranged on the asphalt fume main pipe at intervals along the axial direction of the asphalt fume main pipe, the tail end of each asphalt fume branch pipe is a fume outlet, the fume outlet is positioned above a spigot, and a sealing space is formed between the fume outlet and the spigot through an installation cover and a cargo cabin of an asphalt vehicle;
the nitrogen output treatment ring comprises a nitrogen output pipeline, a nitrogen generator and a plurality of nitrogen extension pipes, wherein the nitrogen output pipeline comprises a nitrogen main pipe communicated with the nitrogen generator, a plurality of nitrogen branch pipes are arranged on the nitrogen main pipe along the axial direction of the nitrogen main pipe at intervals, the tail end of each nitrogen branch pipe is connected with a nitrogen purging joint, the nitrogen branch pipe is close to the nitrogen purging joint and is provided with a first nitrogen gate valve, one end of each nitrogen extension pipe is communicated with the asphalt conveying branch pipe, the other end of each nitrogen extension pipe is provided with a second nitrogen gate valve, the input end of the second nitrogen gate valve is communicated with a nitrogen hose, and the input end of the nitrogen hose is connected with a nitrogen purging interface communicated with the nitrogen purging joint.
The asphalt circulation extraction loop, the asphalt fume discharge processing loop and the nitrogen output processing loop in the application can solve the technical problems that asphalt fume is generated when asphalt is loaded and unloaded in the prior art, and after the unloading of the asphalt is finished, part of asphalt remains in a conveying pipeline, and if the rest asphalt is not discharged in time, the residual asphalt is likely to solidify, so that the pipeline is blocked.
The asphalt circulating extraction loop adopts an asphalt conveying main pipe communicated with an asphalt self-pump ship, the asphalt conveying main pipe conveys asphalt carried by the asphalt self-pump ship into each asphalt conveying branch pipe, and the conveying is opened or closed by controlling the opening and closing of butterfly valves, so that the whole loading and unloading work of the asphalt is realized; meanwhile, after the asphalt is unloaded, the spigot of the telescopic conveying pipeline is communicated with the asphalt discharging pipeline, so that the asphalt remained in the pipeline returns to the initial position through the asphalt discharging pipeline, and the next asphalt vehicle loading work can be carried out;
the asphalt smoke generated by asphalt is upwards floated and concentrated in the sealed space when the asphalt is discharged from the loading bin of the asphalt vehicle through the installation cover, enters the asphalt smoke branch pipe through the smoke outlet and is gradually gathered in the asphalt smoke main pipe, the asphalt smoke main pipe is communicated with the water seal well, the water seal well is communicated with the industrial water pool, the industrial water pool introduces industrial water into the water seal well, the asphalt smoke main pipe also introduces the asphalt smoke into the water seal well, and the asphalt smoke is condensed into solid after meeting water, so that the asphalt smoke can be treated, and the technical problem that the asphalt smoke generated by asphalt during discharging is adsorbed by the body of a worker and has great damage to the body of the worker is solved;
before the nitrogen output treatment loop is treated, the first nitrogen gate valve and the second nitrogen gate valve are closed, a nitrogen purging interface on a nitrogen hose is communicated with a nitrogen purging connector, so that the nitrogen output treatment loop is communicated with the asphalt circulation extraction loop; when an operator loads on site, the operator discovers that the nitrogen leaks, and the emergency cutting is performed through the first nitrogen gate valve and the second nitrogen gate valve, so that the safety of integral loading and unloading is ensured.
Further, be equipped with the suction fan between pitch cigarette person in charge and the water seal well, the input of suction fan communicates with the output that pitch cigarette was responsible for, be equipped with the expansion joint on the tip that pitch cigarette is responsible for being close to the suction fan, the output of suction fan passes through pipeline and water seal well intercommunication, the pipeline of suction fan output is located the liquid level of water seal well, the pipeline of industry pond output is located the bottom of water seal well, be equipped with the blow off pipe of outside blowdown on the water seal well.
The main scheme is how to treat the asphalt fume, firstly, industrial water is filled into the water seal well through the output end of the industrial water tank, secondly, when the asphalt fume is used, the asphalt fume in the main pipe of the asphalt fume is introduced into the liquid level of the water seal well through the expansion joint, the asphalt fume is condensed into solid after meeting the industrial water, and the condensed solid is discharged through the drain pipe.
The expansion joint is used for compensating additional stress caused by temperature difference and mechanical vibration so as to compensate thermal elongation of the pipeline, thereby reducing stress of the asphalt smoke main pipe and acting force on the suction fan.
Further, flexible pipeline includes output tube, fixed pipe and the sleeve pipe that sets up from last to down in proper order, the input of output tube communicates with the output of butterfly valve, the output of output tube and the input fixed connection of fixed pipe, the output of fixed pipe overlaps mutually and sliding connection each other with sheathed tube input, sheathed tube output and spigot intercommunication, the internal diameter of sleeve pipe is unanimous with the internal diameter of output tube, the internal diameter of fixed pipe is less than the internal diameter of sleeve pipe and output tube.
The output pipe connected with the output end of the butterfly valve is convenient for conveying asphalt into the fixed pipe, and then the asphalt is injected into a cargo compartment of an asphalt vehicle through the spigot of the sleeve through the fixed pipe; the inner diameters of the output pipe and the fixed pipe are consistent, so that when the sleeve slides up and down along the axial direction of the fixed pipe, the top end of the sleeve abuts against the bottom end of the output pipe, and the upward moving distance of the sleeve is limited.
In addition, the inner diameter of the fixed pipe is smaller than that of the sleeve and the output pipe, when the asphalt in the output pipe enters the fixed pipe, the flow speed of the asphalt is increased, so that the stay time of the asphalt at the position of the butterfly valve is shortened, and the blockage of the butterfly valve caused by the temperature reduction of the asphalt at a low point is avoided; when the asphalt in the fixed pipe enters the sleeve, the asphalt flow rate is reduced, so that an operator can be given enough time to observe the asphalt loading condition in the cargo compartment of the asphalt vehicle.
Further, support lugs extending along the radial direction are respectively arranged on two sides of the sleeve, mounting holes are formed in the end portions, far away from the support lugs, of the support lugs, steel wire ropes are bound in the mounting holes, and the tail ends of the steel wire ropes are connected with a winch arranged above the telescopic conveying pipeline.
According to the application, the steel wire rope is pulled by adopting a winch mode, and the steel wire rope pulls the lugs, so that the sleeve can be pulled to move upwards along the axial direction of the fixed pipe, and the length of the telescopic conveying pipeline is shortened; when the length of the telescopic conveying pipeline is prolonged, the steel wire rope is released through the winch, and the sleeve moves downwards under the gravity of the sleeve, so that the length of the telescopic conveying pipeline is prolonged, and the operation is simple and convenient.
Further, the longitudinal section of the installation cover is bowl-shaped, the installation cover is sleeved on the spigot, a smoke suction hole is formed in the installation cover, and a smoke outlet of the asphalt smoke branch pipe penetrates through the smoke suction hole and stretches into the installation cover.
According to the application, the installation cover is arranged at the feeding port of the cargo compartment of the asphalt vehicle, so that a sealing space is formed between the installation cover and the feeding port of the cargo compartment of the asphalt vehicle, and when asphalt is injected into the cargo compartment of the asphalt vehicle through the plug, asphalt smoke generated by the asphalt enters the sealing space and enters the asphalt smoke branch pipe through the smoke outlet of the asphalt smoke branch pipe, so that the asphalt smoke is discharged.
Further, the notch for clamping the asphalt cigarette tube is formed in the lower side edge of the supporting lug. The notch is convenient for the asphalt smoke branch pipe to be clamped on the supporting lugs, and limits the asphalt smoke branch pipe.
A method for handling asphalt in a port area comprising the steps of:
step one, connecting a loading bin feed inlet of an asphalt vehicle with a spigot of an asphalt conveying branch pipe through a mounting cover, starting each butterfly valve, and filling asphalt carried by asphalt from a pump window into the loading bin of the asphalt vehicle through each asphalt conveying branch pipe; in the process of conveying asphalt, asphalt smoke generated by the asphalt is collected into the installation cover, and then conveyed into the water seal well through the asphalt smoke branch pipe arranged on the installation cover, so that the asphalt smoke is condensed into solid when meeting water and is discharged;
step two, after the asphalt is unloaded in the step one, returning the residual asphalt in the asphalt circulating extraction loop to the initial position through an asphalt discharge pipeline; after the asphalt is discharged, closing each butterfly valve, carrying out pipeline evacuation treatment in an asphalt circulating extraction loop, and communicating with a nitrogen purging joint on a nitrogen branch pipe through a nitrogen purging joint on a nitrogen hose so that a nitrogen output treatment loop is communicated with the asphalt circulating extraction loop; introducing nitrogen output by a nitrogen generator into each nitrogen branch pipe, conveying the nitrogen into the asphalt circulating extraction loop through a nitrogen hose and a nitrogen extension pipe by the nitrogen branch pipes, and purging asphalt in the asphalt circulating extraction loop;
and step three, after the asphalt circulating extraction loop is purged in the step two, closing a first nitrogen gate valve on the nitrogen branch pipe and a second nitrogen gate valve on the nitrogen extension pipe.
Compared with the prior art, the application has the following technical effects:
according to the application, the emergency cutting off is realized through the first nitrogen gate valve and the second nitrogen gate valve, and the nitrogen purging interface arranged between the first nitrogen gate valve and the second nitrogen gate valve is communicated with the nitrogen purging connector, so that the line purging operation is carried out on the ship unloading pipeline, the safety of dismantling the connection hose between the wharf barge and the wharf shore is ensured, and the nitrogen is adopted to purge the asphalt ship to empty the residual materials in the pipeline
When the ship is unloaded once, a careful dispatching loading plan needs to be made, and the problem that asphalt in a pipeline blocks the pipeline due to heat dissipation and cooling caused by overlong loading time intervals of two vehicles is avoided. After each ship is unloaded, the pipeline is purged by adopting nitrogen immediately, and asphalt in the pipeline is purged, so that the pipeline is ensured not to be blocked.
Drawings
FIG. 1 is a schematic diagram of a system for handling asphalt in a estuary according to the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A1;
FIG. 3 is a schematic view of a telescopic mechanism for use in a port bitumen handling system according to the present application;
fig. 4 is a flow chart of a method of the present application for handling asphalt in a port area.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a loading yard 1, an asphalt fume main pipe 2, a nitrogen main pipe 3, an expansion joint 4, a suction fan 5, a water seal well 6, an asphalt conveying main pipe 7, an asphalt fume branch pipe 8, a nitrogen branch pipe 9, a first nitrogen gate valve 10, a second nitrogen gate valve 11, an asphalt conveying branch pipe 12, an asphalt self-pumping ship 13, a nitrogen generator 14, a blow-off pipe 15, an output pipe 16, a fixed pipe 17, lugs 18, mounting holes 19, a mounting cover 20, a smoking hole 21, a butterfly valve 22, an industrial pool 23, a sleeve 24 and a nitrogen extension pipe 25.
In this embodiment, referring to fig. 1, an asphalt loading and unloading system for a harbor area includes a loading yard 1 located on the ground and an asphalt self-pump ship 13 located on the harbor area, wherein an asphalt circulation extraction loop, an asphalt fume exhaust treatment loop and a nitrogen output treatment loop are provided between the loading yard 1 and the asphalt self-pump ship 13, and a plurality of asphalt vehicles can stay under a bridge frame 1.
The asphalt is lifted from petroleum asphalt (about 130 ℃) of the wharf boat 13 to a loading position of the asphalt highway loading yard 1 by a pump for loading, and the loading speed is 60t/h.
Wherein, pitch circulation draws the loop and comprises pitch pipeline, pitch exhaust pipe, a plurality of butterfly valve 22 and a plurality of flexible pipeline, pitch pipeline includes the pitch conveying main pipe 7 that communicates from pump boat 13 with pitch, pitch conveying main pipe 7 is last to be arranged along its axis direction interval has many pitch conveying branch pipes 12, the end of every pitch conveying branch pipe 12 communicates with corresponding butterfly valve 22 input, the output and the flexible pipeline intercommunication of corresponding of butterfly valve, be equipped with the spigot on the end of flexible pipeline, the spigot can with pitch vehicle carry cargo bin intercommunication or with pitch exhaust pipe intercommunication.
Specifically, as the water level of the Yangtze river varies with seasons, the positions of connecting pipes of asphalt conveying pipelines in the asphalt recycling extraction loop and the wharf boat 13 are adjusted along with the water level, a pair of flanges are arranged every 9m, and the feeding position is adjusted by disassembling a metal hose. Stainless steel pipelines are adopted for pipeline elevation below 175m, and carbon steel pipelines are adopted for pipeline elevation above 175m and are insulated.
The asphalt circulating extraction loop adopts an asphalt conveying main pipe 7 communicated with an asphalt self-pump ship 13, the asphalt conveying main pipe 7 conveys asphalt carried by the asphalt self-pump ship 13 into each asphalt conveying branch pipe 12, and the conveying is started or closed by controlling the opening and closing of butterfly valves, so that the overall loading and unloading work of the asphalt is realized; meanwhile, after the asphalt is unloaded, the spigot of the telescopic conveying pipeline is communicated with the asphalt discharging pipeline, so that the asphalt remained in the pipeline returns to the initial position through the asphalt discharging pipeline, and the next asphalt vehicle loading work can be performed.
Specifically, referring to fig. 3, the telescopic conveying pipeline includes an output pipe 16, a fixed pipe 17 and a sleeve 24, which are sequentially arranged from top to bottom, an input end of the output pipe 16 is communicated with an output end of a butterfly valve, an output end of the output pipe 16 is fixedly connected with an input end of the fixed pipe 17, an output end of the fixed pipe 17 is sleeved with an input end of the sleeve 24 and is mutually slidably connected, an output end of the sleeve 24 is communicated with a spigot, an inner diameter of the sleeve 24 is consistent with an inner diameter of the output pipe 16, and an inner diameter of the fixed pipe 17 is smaller than inner diameters of the sleeve 24 and the output pipe 16.
The output pipe 16 connected with the output end of the butterfly valve is convenient for conveying asphalt into the fixed pipe 17, and then the asphalt is injected into a cargo compartment of an asphalt vehicle through the fixed pipe 17 and the spigot of the sleeve 24; wherein, the inner diameters of the output tube 16 and the fixed tube 17 are consistent, so that when the sleeve 24 slides up and down along the axial direction of the fixed tube 17, the top end of the sleeve 24 is propped against the bottom end of the output tube 16, thus limiting the upward moving distance of the sleeve 24.
In addition, the inner diameter of the fixed pipe 17 is smaller than the inner diameters of the sleeve 24 and the output pipe 16, when the asphalt in the output pipe 16 enters the fixed pipe 17, the flow speed of the asphalt is increased, so that the stay time of the asphalt at the position of the butterfly valve is shortened, and the blockage of the butterfly valve caused by the temperature reduction of the asphalt at a low point is avoided; as the asphalt in the stationary pipe 17 enters the sleeve 24, the asphalt flow rate is slowed, which gives the operator sufficient time to observe the asphalt loading in the cargo compartment of the asphalt vehicle.
Preferably, two sides of the sleeve 24 are respectively provided with a support lug 18 extending along the radial direction, the end part of the support lug 18 far away from the support lug 18 is provided with a mounting hole 19, a steel wire rope is bound in the mounting hole 19, and the tail end of the steel wire rope is connected with a winch arranged above the telescopic conveying pipeline.
According to the application, a winch mode is adopted to pull the steel wire rope, and the steel wire rope pulls the lugs 18, so that the sleeve 24 can be pulled to move upwards along the axial direction of the fixed pipe 17, and the length of the telescopic conveying pipeline is shortened; when the length of the telescopic conveying pipeline is prolonged, the steel wire rope is released through the winch, and the sleeve 24 moves downwards under the gravity of the sleeve, so that the length of the telescopic conveying pipeline is prolonged, and the operation is simple and convenient.
Preferably, the longitudinal section of the installation cover 20 is bowl-shaped, the installation cover 20 is sleeved on the spigot, the installation cover 20 is provided with a smoke suction hole 21, and the smoke outlet of the asphalt smoke branch pipe 8 penetrates through the smoke suction hole 21 and extends into the installation cover 20.
According to the application, the mounting cover 20 covers the feeding hole of the cargo carrying bin of the asphalt vehicle, so that a sealing space is formed between the mounting cover 20 and the feeding hole of the cargo carrying bin of the asphalt vehicle, when asphalt is injected into the cargo carrying bin of the asphalt vehicle through the plug, asphalt smoke generated by the asphalt enters the sealing space and enters the asphalt smoke branch pipe 8 through the smoke outlet of the asphalt smoke branch pipe 8, and then the asphalt smoke is discharged.
Preferably, the lower side of the support lug 18 is provided with a notch for clamping the asphalt smoke branch pipe 8. The notch of the application is convenient for the asphalt fume branch pipe 8 to be clamped on the supporting lugs 18, and limits the asphalt fume branch pipe 8.
Next, referring to fig. 1, 2 and 4, the asphalt fume exhaust treatment ring is composed of an asphalt fume exhaust pipe, a water seal well 6 and an industrial water pool 23 communicated with the water seal well 6 through a pipe, the asphalt fume exhaust pipe comprises an asphalt fume main pipe 2 communicated with the water seal well 6, a plurality of asphalt fume branch pipes 8 are arranged on the asphalt fume main pipe 2 at intervals along the axial direction of the asphalt fume main pipe, the tail end of each asphalt fume branch pipe 8 is a fume exhaust port, the fume exhaust port is positioned above the spigot, and a sealing space is formed between the fume exhaust port and the spigot through a mounting cover 20 and a cargo cabin of an asphalt vehicle.
The sealed space is formed between the smoke outlet and the plug through the mounting cover 20 and the cargo cabin of the asphalt vehicle in the asphalt smoke discharging treatment loop, so when the plug is inserted into the cargo cabin of the asphalt vehicle to discharge asphalt, asphalt smoke generated by the asphalt can float upwards and concentrate in the sealed space, enter the asphalt smoke branch pipe 8 through the smoke outlet and gradually collect in the asphalt smoke main pipe 2, as the asphalt smoke main pipe 2 is communicated with the water seal well 6 and the water seal well 6 is communicated with the industrial water tank 23, the industrial water tank 23 introduces industrial water into the water seal well 6, the asphalt smoke main pipe 2 also introduces the asphalt smoke into the water seal well 6, and the asphalt smoke is condensed into solid after meeting water, so that the asphalt smoke can be treated, thereby solving the technical problems that the asphalt smoke generated by the unloading of asphalt can be adsorbed by the body of a worker and the body damage of the worker is great.
Preferably, a suction fan 5 is arranged between the main asphalt fume pipe 2 and the water seal well 6, the input end of the suction fan 5 is communicated with the output end of the main asphalt fume pipe 2, an expansion joint 4 is arranged on the end, close to the suction fan 5, of the main asphalt fume pipe 2, the output end of the suction fan 5 is communicated with the water seal well 6 through a pipeline, the pipeline of the output end of the suction fan 5 is positioned in the liquid level of the water seal well 6, the pipeline of the output end of the industrial water tank 23 is positioned in the bottom of the water seal well 6, and a sewage drain 15 for outwards draining sewage is arranged on the water seal well 6.
The main scheme is how to treat the asphalt fume, firstly, industrial water is filled into the water seal well 6 through the output end of the industrial water tank 23, secondly, when the asphalt fume is used, the asphalt fume in the main asphalt fume pipe 2 is introduced into the liquid surface of the water seal well 6 through the expansion joint 4, the asphalt fume is condensed into solid after meeting the industrial water, and the condensed solid is discharged through the blow-off pipe 15 by the blow-off pipe 15.
The expansion joint 4 is used for compensating additional stress caused by temperature difference and mechanical vibration so as to compensate thermal elongation of the pipeline, thereby reducing stress of the main asphalt smoke pipe 2 and acting force on the suction fan 5.
Referring to fig. 4, the nitrogen output treatment loop is composed of a nitrogen output pipe 16, a nitrogen generator 14 and a plurality of nitrogen extension pipes 25, the nitrogen output pipe 16 comprises a nitrogen main pipe 3 communicated with the nitrogen generator 14, a plurality of nitrogen branch pipes 9 are arranged on the nitrogen main pipe 3 along the axial direction at intervals, the tail end of each nitrogen branch pipe 9 is connected with a nitrogen purging joint, the nitrogen branch pipe 9 is provided with a first nitrogen gate valve 10 near the nitrogen purging joint, one end of each nitrogen extension pipe 25 is communicated with a bitumen conveying branch pipe 12, the other end of each nitrogen extension pipe is provided with a second nitrogen gate valve 11, the input end of the second nitrogen gate valve 11 is communicated with a nitrogen hose, and the input end of the nitrogen hose is connected with a nitrogen purging joint communicated with the nitrogen purging joint.
Before the treatment of the nitrogen output treatment loop, the first nitrogen gate valve 10 and the second nitrogen gate valve 11 are closed, a nitrogen purging interface on a nitrogen hose is communicated with a nitrogen purging joint, so that the nitrogen output treatment loop is communicated with the asphalt circulation extraction loop, when the treatment loop is used, nitrogen output by a nitrogen generator 14 is introduced into each nitrogen branch pipe 9, the nitrogen branch pipes 9 convey the nitrogen into the asphalt conveying branch pipes 12 through the nitrogen hose and the nitrogen extension pipe 25, and the asphalt in the asphalt conveying branch pipes 12 and the asphalt conveying main pipe 7 is purged, so that pipelines are prevented from being blocked; when an operator loads on site, the operator discovers that the nitrogen leaks, and the emergency cutting is performed through the first nitrogen gate valve 10 and the second nitrogen gate valve 11, so that the safety of the whole loading and unloading is ensured.
A method for handling asphalt in a port area comprising the steps of:
step one, connecting a loading bin feed inlet of an asphalt vehicle with a spigot of an asphalt conveying branch pipe 12 through a mounting cover 20, starting each butterfly valve, and filling asphalt carried by asphalt from a pump window into the loading bin of the asphalt vehicle through each asphalt conveying branch pipe 12; in the process of conveying asphalt, asphalt smoke generated by the asphalt is collected into the installation cover 20, and then conveyed into the water seal well 6 through the asphalt smoke branch pipe 8 arranged on the installation cover 20, so that the asphalt smoke is condensed into solid when meeting water and is discharged;
step two, after the asphalt is unloaded in the step one, returning the residual asphalt in the asphalt circulating extraction loop to the initial position through an asphalt discharge pipeline; after the asphalt discharge is completed, closing each butterfly valve, performing pipeline evacuation treatment in an asphalt circulating extraction loop, and communicating the pipeline evacuation treatment with a nitrogen purging joint on a nitrogen branch pipe 9 through a nitrogen purging joint on a nitrogen hose so that a nitrogen output treatment loop is communicated with the asphalt circulating extraction loop; nitrogen output by the nitrogen generator 14 is introduced into each nitrogen branch pipe 9, the nitrogen branch pipes 9 convey the nitrogen into the asphalt circulating extraction loop through a nitrogen hose and a nitrogen extension pipe 25, and asphalt in the asphalt circulating extraction loop is purged;
and step three, after the bitumen circulation extraction loop is purged in the step two, closing the first nitrogen gate valve 10 on the nitrogen branch pipe 9 and the second nitrogen gate valve 11 on the nitrogen extension pipe 25.
The foregoing is merely exemplary of the present application and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present application, and these should also be regarded as the protection scope of the present application, which does not affect the effect of the implementation of the present application and the practical applicability of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (7)
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| CN202310745186.2A CN116812846A (en) | 2023-06-21 | 2023-06-21 | System and method for loading and unloading asphalt in harbor district |
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