CN116812878A - A desorption purifier for refining sulfuric acid production - Google Patents
A desorption purifier for refining sulfuric acid production Download PDFInfo
- Publication number
- CN116812878A CN116812878A CN202310339083.6A CN202310339083A CN116812878A CN 116812878 A CN116812878 A CN 116812878A CN 202310339083 A CN202310339083 A CN 202310339083A CN 116812878 A CN116812878 A CN 116812878A
- Authority
- CN
- China
- Prior art keywords
- sulfuric acid
- box
- frame
- production
- air duct
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/78—Preparation by contact processes characterised by the catalyst used
- C01B17/79—Preparation by contact processes characterised by the catalyst used containing vanadium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
- C01B17/76—Preparation by contact processes
- C01B17/80—Apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
本发明涉及化工生产技术领域，具体为一种用于精制硫酸生产的脱除净化装置，包括浓缩罐和设置在浓缩罐一侧的处理箱，所述浓缩罐的内部设置有蒸发机构，所述处理箱的内部设置有催化箱、反应箱和吸收箱。本发明通过在浓缩罐的内部对硫酸进行加热蒸发浓缩，让硫酸中的二氧化硫通过第一导气管进入处理箱中，在处理箱的内部对二氧化硫气体进行进一步的处理，最后得到高浓度的发烟硫酸，不仅实现了对精制硫酸中二氧化硫的脱除，同时对脱除出来的二氧化硫进行处理后得到了副产品发烟硫酸，显著提高了对精制硫酸的产量以及生产效率，同时对脱除出来的二氧化硫进行再生利用，减少资源的浪费，同时提高了对二氧化硫的处理效率。
The invention relates to the technical field of chemical production, specifically a removal and purification device for the production of refined sulfuric acid, which includes a concentration tank and a treatment box arranged on one side of the concentration tank. An evaporation mechanism is provided inside the concentration tank. The inside of the treatment box is equipped with a catalytic box, a reaction box and an absorption box. In the present invention, the sulfuric acid is heated, evaporated and concentrated inside the concentration tank, so that the sulfur dioxide in the sulfuric acid enters the treatment box through the first air conduit, and the sulfur dioxide gas is further processed inside the treatment box, and finally high-concentration smoke is obtained. Sulfuric acid not only achieves the removal of sulfur dioxide in refined sulfuric acid, but also processes the removed sulfur dioxide to obtain fuming sulfuric acid as a by-product, which significantly improves the output and production efficiency of refined sulfuric acid, while also treating the removed sulfur dioxide. Recycling reduces the waste of resources and improves the efficiency of sulfur dioxide treatment.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to a removal and purification device for refined sulfuric acid production.
Background
The refined sulfuric acid is an important raw material in the chemical industry and is applied to the production of various chemical products, and the production process comprises the steps of preparing sulfur dioxide, oxidizing the sulfur dioxide into sulfur trioxide, adsorbing the sulfur trioxide by adopting concentrated sulfuric acid and the like.
Sulfur dioxide impurities are required to be removed due to the presence of sulfur dioxide impurities in the refined sulfuric acid product. For the existing production process for removing sulfur dioxide at one time, the quality of the product can not be problematic under normal conditions, however, when the production load fluctuates, the index of sulfur dioxide in the refined sulfuric acid exceeds the standard due to untimely operation adjustment, the whole production process can only be stopped at the moment, and the unqualified refined sulfuric acid is returned to the system for removing sulfur dioxide again, so that the yield and quality of the refined sulfuric acid and the production efficiency are directly influenced.
For this purpose, we propose a removal and purification device for the production of refined sulfuric acid.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a removal and purification device for producing refined sulfuric acid, which is used for improving the removal of sulfur dioxide impurities in the refined sulfuric acid and realizing the recycling of the sulfur dioxide impurities.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the removal purification device for refined sulfuric acid production comprises a concentration tank and a treatment box arranged on one side of the concentration tank, wherein a first air duct is arranged on one side of the top of the concentration tank, one end of the first air duct is communicated with one side of the treatment box, a left supporting seat and a right supporting seat are respectively arranged on two sides of the bottom of the concentration tank, and a liquid inlet pipe and a liquid outlet pipe are respectively arranged on two sides of the bottom of the concentration tank;
the inside of concentration jar is provided with evaporating mechanism, evaporating mechanism includes heating jacket and stirring frame, the inside of concentration jar is provided with heating jacket, and the inside of heating jacket is provided with a plurality of stirring frame, one side of concentration jar is provided with first servo motor, and the output shaft one end of first servo motor extends to the inside of concentration jar, the one end that first servo motor extends to the inside of concentration jar is provided with the dwang, and the one end of dwang runs through the inside of stirring frame, the inside of stirring frame is connected with the surface of dwang, the inside of concentration jar just is provided with the backward flow frame in one side of baffle, and the inner wall of backward flow frame is provided with arc chute, and wherein the right side of arc chute is higher than the left side, the top of backward flow frame is provided with the through-hole, and the inside of through-hole is connected with the bottom of first air duct;
the inside of handling the case is provided with the mounting bracket, the inside both sides of mounting bracket all are provided with the mount, and are provided with the catalytic box between two mounts, the below of catalytic box still is provided with the reaction tank, and one side of reaction tank is provided with the feed pump, one side of handling the incasement portion still is provided with the absorption case.
Preferably, the stirring frame adopts a bending special-shaped design, an electric heating plate is arranged in the stirring frame, and the peripheral surface of the stirring frame is in sliding contact with the inner surface of the heating jacket.
Preferably, a clamping block is arranged above the left supporting seat, the top of the clamping block is connected with the bottom of the concentration tank, and a clamping groove matched with the clamping block is formed in the top of the left supporting seat; the both sides of left side supporting seat inside all are provided with first servo electric jar, and the drive end of two first servo electric jar all with the inside swing joint of fixture block.
Preferably, two connecting blocks are arranged above the right supporting seat, and the tops of the two connecting blocks are movably connected with one side of the bottom of the concentration tank.
Preferably, a baffle is further arranged on one side of the stirring frame, the peripheral surface of the baffle is connected with the inner surface of the heating jacket, a material passing hole is formed in the bottom of the baffle, an air guide hole is formed in the top of the baffle, a baffle is arranged on one side of the concentrating tank, and one end of the rotating rod is connected with one side of the baffle in a rotating mode.
Preferably, the inside of handling the case is provided with the aspiration pump, and the inlet end and the one end of first air duct of aspiration pump are connected, the bottom of aspiration pump is provided with the mounting bracket, and the end of giving vent to anger of aspiration pump extends to the inside of mounting bracket through the second air duct.
Preferably, the inside of catalysis case is provided with the rotating turret, and the global branch work or material rest that is provided with of rotating turret, one side of mounting bracket is provided with second servo motor, and the output shaft one end of second servo motor is connected with one side of rotating turret, the one end and the inside intercommunication of catalysis case of second air duct, and one side of catalysis case still is provided with the third air duct, the top of catalysis case is provided with the heater, and one side of catalysis case is provided with the conveying pipe.
Preferably, the feed end of feed pump and the inside intercommunication of reaction tank, and the discharge end of feed pump and the one end intercommunication of conveying pipe, the bottom of catalysis case is provided with the ejection of compact frame, and the bottom of ejection of compact frame is through the inside intercommunication of blanking pipe and reaction tank, the inside of ejection of compact frame is provided with the discharge gate, and the inside both sides of discharge gate all slide and be provided with the striker plate, the inside both sides of ejection of compact frame all are provided with the servo electric jar of second, and the drive end of two servo electric jars respectively with the bottom swivelling joint of two striker plates.
Preferably, an air supply pipe is arranged at one side of the treatment box, and one end of the air supply pipe is communicated with the inside of the reaction box.
Preferably, one end of the third air duct extends to the inside of the absorption box, a liquid feeding pipe and a liquid discharging pipe are further arranged above and below one side of the treatment box, and one ends of the liquid feeding pipe and the liquid discharging pipe extend to the inside of the absorption box.
Compared with the prior art, the method has the following beneficial effects:
1. through carrying out heating evaporation concentration to sulfuric acid in the inside of concentration jar, let the sulfur dioxide in the sulfuric acid get into the processing box through first air duct in, carry out further processing to sulfur dioxide gas in the inside of processing box, obtain the fuming sulfuric acid of high concentration finally, not only realized the desorption to sulfur dioxide in the refined sulfuric acid, obtained the accessory product fuming sulfuric acid after handling the sulfur dioxide that comes out simultaneously, showing improved output and production efficiency to the refined sulfuric acid, carry out recycle to the sulfur dioxide that comes out simultaneously, reduce the waste of resource, improved the treatment effeciency to sulfur dioxide simultaneously.
2. The sulfuric acid in each stirring cavity is heated faster through the stirring frame, so that sulfur dioxide in the sulfuric acid is evaporated, the sulfur dioxide gas in the concentration tank is collected through the first air guide pipe, the sulfur dioxide gas in each stirring cavity passes through the air guide hole at the top of each partition plate and finally enters the first air guide pipe through the through hole at the top of the reflux frame, the efficient separation of refined sulfuric acid and sulfur dioxide is realized, meanwhile, the sulfur dioxide gas is recycled, the production efficiency of the refined sulfuric acid is effectively improved, the utilization rate of resources is also improved, and the environmental protection of the production of the refined sulfuric acid is ensured.
3. Through setting up catalytic box, reaction tank and absorption case in the inside of handling the case, accomplish the catalytic reaction to sulfur dioxide in the catalytic cavity in catalytic box's inside, make sulfur dioxide gas convert into sulfur trioxide gas, send into catalytic box again in the product of catalytic reaction in the reaction tank simultaneously and use after oxidizing, realize the cyclic utilization of vanadic anhydride, improve the utilization ratio of resource, utilize concentrated sulfuric acid to absorb sulfur trioxide gas in absorption case's inside at last, obtain the accessory product fuming sulfuric acid, effectively reduce the waste of resource.
Drawings
FIG. 1 is a schematic view showing the construction of a removal and purification apparatus for producing refined sulfuric acid according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the internal structure of a concentrating tank according to an embodiment of the present invention;
FIG. 3 is a schematic view of a left support structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of a right support structure according to an embodiment of the present invention;
FIG. 5 is a schematic view showing the internal structure of a treatment tank according to an embodiment of the present invention;
FIG. 6 is a schematic view showing the internal structure of the mounting frame according to the embodiment of the present invention;
FIG. 7 is a schematic view showing the internal structure of the catalytic box according to the embodiment of the present invention;
FIG. 8 is a schematic diagram of a process tank and absorber tank structure according to an embodiment of the present invention.
In the figure, 10, a concentration tank; 20. a treatment box; 30. a first air duct; 40. a left support seat; 50. a right support base; 60. a liquid inlet pipe; 70. a liquid outlet pipe; 11. a heating jacket; 12. a stirring rack; 13. a first servo motor; 14. a rotating lever; 15. a partition plate; 16. a material passing opening; 17. an air guide hole; 18. a baffle; 19. a reflow frame; 110. a through hole; 21. a clamping block; 22. a first servo cylinder; 23. a connecting block; 31. an air extracting pump; 32. a mounting frame; 33. a fixing frame; 34. a catalytic box; 35. a rotating frame; 36. a material distributing frame; 37. a second servo motor; 38. a second air duct; 39. a third air duct; 310. a heater; 311. a feed pipe; 41. a reaction box; 42. a feed pump; 43. a discharging frame; 44. a blanking pipe; 45. a discharge port; 46. a striker plate; 47. a second servo cylinder; 48. an air supply pipe; 51. an absorption box; 52. a liquid feeding pipe; 53. and a liquid discharge pipe.
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.
Example 1
Referring to fig. 1 to 8, a removal and purification device for producing refined sulfuric acid includes a concentration tank 10 and a treatment tank 20 disposed at one side of the concentration tank 10, wherein a first air duct 30 is disposed at one side of the top of the concentration tank 10, one end of the first air duct 30 is communicated with one side of the treatment tank 20, two sides of the bottom of the concentration tank 10 are respectively provided with a left support seat 40 and a right support seat 50, two sides of the bottom of the concentration tank 10 are respectively provided with a liquid inlet pipe 60 and a liquid outlet pipe 70, sulfuric acid is fed into the concentration tank 10 through the liquid inlet pipe 60, the sulfuric acid is heated and evaporated and concentrated in the concentration tank 10, sulfur dioxide in sulfuric acid enters the treatment tank 20 through the first air duct 30, sulfur dioxide gas is further treated in the treatment tank 20, and finally high-concentration fuming sulfuric acid is obtained, thereby not only removing sulfur dioxide in the refined sulfuric acid, but also obtaining by-products fuming sulfuric acid after the removed sulfur dioxide is treated, thereby remarkably improving the yield and production efficiency of the refined sulfuric acid, simultaneously recycling the removed sulfur dioxide, reducing the waste of resources and improving the treatment efficiency of the removed sulfur dioxide.
The inside of the concentration tank 10 is provided with an evaporation mechanism, the evaporation mechanism comprises a heating jacket 11 and a stirring frame 12, wherein the stirring frame 12 is of a bending special-shaped design, an electric heating plate is arranged in the stirring frame 12, and the peripheral surface of the stirring frame 12 is in sliding contact with the inner surface of the heating jacket 11; a heating jacket 11 is arranged in the concentration tank 10, and a plurality of stirring frames 12 are arranged in the heating jacket 11, wherein one ends of a liquid inlet pipe 60 and a liquid outlet pipe 70 penetrate through the heating jacket 11 and extend into the concentration tank 10; one side of the concentration tank 10 is provided with a first servo motor 13, and one end of an output shaft of the first servo motor 13 extends to the inside of the concentration tank 10, one end of the first servo motor 13 extending to the inside of the concentration tank 10 is provided with a rotating rod 14, one end of the rotating rod 14 penetrates through the inside of the stirring frame 12, the inside of the stirring frame 12 is connected with the surface of the rotating rod 14, one side of the stirring frame 12 is further provided with a partition plate 15, the peripheral surface of the partition plate 15 is connected with the inner surface of the heating jacket 11, the bottom of the partition plate 15 is provided with a material passing opening 16, the top of the partition plate 15 is provided with an air guide hole 17, one side of the concentration tank 10 is provided with a baffle 18, one end of the rotating rod 14 is rotatably connected with one side of the baffle 18, the inside of the concentration tank 10 is provided with a backflow frame 19, the inner wall of the backflow frame 19 is provided with an arc chute, the right side of the arc chute is higher than the left side, the top of the backflow frame 19 is provided with a through hole 110, and the inside of the through hole 110 is connected with the bottom of the first air guide pipe 30.
When the refined sulfuric acid is evaporated and concentrated, the refined sulfuric acid is introduced into the concentrating tank 10 through the liquid inlet pipe 60, the sulfuric acid in the concentrating tank 10 is heated to 120-140 ℃ by the heating jacket 11, meanwhile, the rotating rod 14 is driven to rotate in the concentrating tank 10 through the output end of the first servo motor 13, one end of the rotating rod 14 drives the stirring frame 12 to stir the sulfuric acid, the sulfuric acid in the concentrating tank 10 is separated into a plurality of stirring cavities by the plurality of partition plates 15 in the concentrating tank 10, the sulfuric acid in each stirring cavity is heated faster through the stirring frame 12, so that sulfur dioxide in the sulfuric acid is evaporated, sulfur dioxide gas in the concentrating tank 10 is collected by the first air duct 30, the sulfur dioxide gas in each stirring cavity passes through the air duct 17 at the top of each partition plate 15 and finally enters the inside of the first air duct 30 through the through hole 110 at the top of the reflux frame 19, the high-efficiency separation of the refined sulfuric acid and the sulfur dioxide gas are realized, the recycling and the sulfur dioxide gas are effectively improved, the production efficiency of the sulfuric acid is improved, the utilization rate of the refined sulfuric acid is also improved, and the environmental protection of the refined sulfuric acid is ensured.
Further, a clamping block 21 is arranged above the left supporting seat 40, and the top of the clamping block 21 is connected with the bottom of the concentration tank 10, wherein a clamping groove matched with the clamping block 21 is arranged at the top of the left supporting seat 40; the two sides of the inside of the left support seat 40 are provided with first servo electric cylinders 22, and the driving ends of the two first servo electric cylinders 22 are movably connected with the inside of the clamping block 21;
two connecting blocks 23 are arranged above the right supporting seat 50, and the tops of the two connecting blocks 23 are movably connected with one side of the bottom of the concentration tank 10.
After the removal of sulfur dioxide in the purified sulfuric acid is completed in the concentration tank 10, the clamping block 21 is pushed upward by the driving ends of the two first servo electric cylinders 22 in the left support seat 40 to lift the left side of the concentration tank 10 upward, and at this time, the connecting block 23 on the right side of the bottom of the concentration tank 10 deflects from the top of the right support seat 50, so that the whole concentration tank 10 is tilted, the purified sulfuric acid in the concentration tank 10 is tilted from the left side to the right side, and the purified sulfuric acid in the concentration tank 10 is sent out through the liquid outlet pipe 70.
Example 2
As a further supplementary explanation of the technical solution in embodiment 1, the treatment tank 20 is internally provided with an air pump 31, the air inlet end of the air pump 31 is connected with one end of the first air duct 30, the bottom of the air pump 31 is provided with a mounting frame 32, and the air outlet end of the air pump 31 extends to the inside of the mounting frame 32 through the second air duct 38;
both sides inside the mounting bracket 32 all are provided with mount 33, and be provided with catalytic box 34 between two mounts 33, catalytic box 34's inside is provided with rotating turret 35, and rotating turret 35's global divide work or material rest 36 that is provided with, one side of mounting bracket 32 is provided with second servo motor 37, and second servo motor 37's output shaft one end is connected with one side of rotating turret 35, second air duct 38's one end and catalytic box 34's inside intercommunication, and catalytic box 34's one side still is provided with third air duct 39, catalytic box 34's top is provided with heater 310, and catalytic box 34's one side is provided with conveying pipe 311.
It should be noted that, the inside of the catalytic box 34 is divided into a plurality of catalytic cavities by the material separating frame 36, when the material separating frame 36 rotates, a catalyst is fed into one of the catalytic cavities in the catalytic box 34 by the material feeding pipe 311, wherein the catalyst is selected from vanadium pentoxide, then the material separating frame 36 continues to rotate, the catalytic cavity containing the catalyst therein rotates to one end of the second air duct 38, sulfur dioxide is introduced into the catalytic cavity by the second air duct 38, then the catalytic cavity rotates to the position right below the heater 310, the interior of the catalytic cavity is heated to 400-620 ℃ by the heater 310, and the catalyst vanadium pentoxide oxidizes sulfur dioxide at the temperature by the following oxidation mechanism: the sulfur trioxide is converted into a gaseous state in a high temperature state from SO2+V2O5(s) to SO3 (g) +2VO2(s), and after the oxidation treatment of sulfur dioxide in the catalytic cavity is completed, the catalytic cavity rotates to one side of the third air duct 39, and the sulfur trioxide gas generated by the reaction in the catalytic cavity is recycled by utilizing the third air duct 39.
Further, a reaction box 41 is further arranged below the catalytic box 34, and a feed pump 42 is arranged on one side of the reaction box 41, wherein a material turning frame is arranged in the reaction box 41, belt pulleys are arranged at one end of the material turning frame and one end of the material separating frame 36, and the two belt pulleys are driven by a belt; the feeding end of the feeding pump 42 is communicated with the inside of the reaction box 41, the discharging end of the feeding pump 42 is communicated with one end of the feeding pipe 311, the bottom of the catalytic box 34 is provided with a discharging frame 43, the bottom of the discharging frame 43 is communicated with the inside of the reaction box 41 through a blanking pipe 44, a discharging hole 45 is formed in the discharging frame 43, two sides of the inside of the discharging hole 45 are provided with baffle plates 46 in a sliding manner, two sides of the inside of the discharging frame 43 are provided with second servo electric cylinders 47, and the driving ends of the two second servo electric cylinders 47 are respectively connected with the bottoms of the two baffle plates 46 in a rotating manner;
an air supply pipe 48 is provided at one side of the treatment tank 20, and one end of the air supply pipe 48 communicates with the inside of the reaction tank 41.
After the catalytic reaction of sulfur dioxide in the catalytic cavity is completed in the catalytic box 34, sulfur trioxide gas in the catalytic cavity is extracted by the third air duct 39, the remaining vanadium dioxide in the catalytic cavity is brought to the lower part in the catalytic box 34 under the rotation of the material distributing frame 36, at this time, the driving ends of the two second servo cylinders 47 drive the two baffle plates 46 to slide to two sides in the discharge frame 43, the discharge port 45 is communicated with the catalytic cavity and the blanking pipe 44, the vanadium dioxide in the catalytic cavity enters the reaction box 41 through the discharge port 45 and the blanking pipe 44, oxygen is introduced into the reaction box 41 through the air supply pipe 48, the material distributing frame turns the vanadium dioxide in the reaction box 41, the reaction efficiency of the vanadium dioxide and the oxygen is improved, the vanadium pentoxide is generated by the reaction of the oxygen, the recycling of the vanadium pentoxide is realized, and the utilization rate of resources is improved.
Further, an absorption tank 51 is further arranged on one side of the inside of the treatment tank 20, one end of the third air duct 39 extends to the inside of the absorption tank 51, a liquid feeding pipe 52 and a liquid discharging pipe 53 are further arranged on the upper and lower sides of one side of the treatment tank 20, one ends of the liquid feeding pipe 52 and the liquid discharging pipe 53 extend to the inside of the absorption tank 51, a spray frame is arranged in the absorption tank 51, the inside of the spray frame is connected with one end of the liquid feeding pipe 52, concentrated sulfuric acid is fed into the inside of the spray frame through the liquid feeding pipe 52, sulfur trioxide gas is fed into the inside of the absorption tank 51 through the third air duct 39, and the sulfur trioxide gas is absorbed by the concentrated sulfuric acid to generate fuming sulfuric acid.
Example 3
Furthermore, the invention also discloses a working principle of the removing and purifying device for producing the refined sulfuric acid, which specifically comprises the following steps:
step 1: the sulfuric acid is sent into the concentrating tank 10 through the liquid inlet pipe 60, the sulfuric acid is heated, evaporated and concentrated in the concentrating tank 10, the sulfuric acid in the concentrating tank 10 is heated to 120-140 ℃ through the heating jacket 11, meanwhile, the rotating rod 14 is driven to rotate in the concentrating tank 10 through the output end of the first servo motor 13, one end of the rotating rod 14 drives the stirring frame 12 to stir the sulfuric acid, the sulfur dioxide gas in the concentrating tank 10 is collected through the first gas guide pipe 30, and the sulfur dioxide gas in each stirring cavity passes through the gas guide hole 17 at the top of each baffle 15 and finally enters the first gas guide pipe 30 through the through hole 110 at the top of the reflux frame 19;
step 2: after the removal treatment of sulfur dioxide in the refined sulfuric acid is completed in the concentration tank 10, the clamping block 21 is pushed upwards by utilizing the driving ends of the two first servo electric cylinders 22 in the left supporting seat 40 to enable the left side of the concentration tank 10 to be lifted upwards, and at the moment, the connecting block 23 on the right side of the bottom of the concentration tank 10 and the top of the right supporting seat 50 deflect, so that the whole concentration tank 10 tilts, the refined sulfuric acid in the concentration tank 10 tilts from the left side to the right side, and the refined sulfuric acid in the concentration tank 10 is sent out through the liquid outlet pipe 70;
step 3: catalyst is fed into one of the catalytic cavities in the catalytic box 34 through a feed pipe 311, then the material distributing frame 36 continues to rotate, so that the catalytic cavity containing the catalyst in the catalytic cavity rotates to one end of the second air duct 38, sulfur dioxide is introduced into the catalytic cavity through the second air duct 38, the catalytic cavity rotates to the position right below the heater 310, the heater 310 is used for heating the interior of the catalytic cavity to 400-620 ℃, and vanadium pentoxide is used for oxidizing sulfur dioxide at the temperature;
step 4: after the catalytic reaction of sulfur dioxide in the catalytic cavity is completed in the catalytic box 34, sulfur trioxide gas in the catalytic cavity is extracted by the third air duct 39, the rest of vanadium dioxide in the catalytic cavity is brought to the lower part in the catalytic box 34 under the rotation of the material dividing frame 36, at the moment, the driving ends of the two second servo electric cylinders 47 drive the two baffle plates 46 to slide to two sides in the interior of the material discharging frame 43, the material discharging opening 45 is communicated with the catalytic cavity and the blanking pipe 44, the vanadium dioxide in the catalytic cavity enters the interior of the reaction box 41 through the material discharging opening 45 and the blanking pipe 44, oxygen is introduced into the interior of the reaction box 41 through the air supply pipe 48, the material turning frame turns over the vanadium dioxide in the interior of the reaction box 41, and the vanadium dioxide is reacted by the oxygen to generate vanadium pentoxide;
step 5: concentrated sulfuric acid is fed into the spray rack through the liquid feed pipe 52, and sulfur trioxide gas is fed into the absorption tank 51 through the third gas guide pipe 39, and is absorbed by the concentrated sulfuric acid.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (10)
1. The utility model provides a desorption purifier for refining sulfuric acid production, includes concentrated jar (10) and sets up treatment box (20) in concentrated jar (10) one side, one side at concentrated jar (10) top is provided with first air duct (30), and one end and the one side intercommunication of treatment box (20) of first air duct (30), its characterized in that: the two sides of the bottom of the concentration tank (10) are respectively provided with a left supporting seat (40) and a right supporting seat (50), and the two sides of the bottom of the concentration tank (10) are also respectively provided with a liquid inlet pipe (60) and a liquid outlet pipe (70);
the inside of concentration jar (10) is provided with evaporation mechanism, evaporation mechanism includes heating jacket (11) and stirring frame (12), the inside of concentration jar (10) is provided with heating jacket (11), and the inside of heating jacket (11) is provided with a plurality of stirring frame (12), one side of concentration jar (10) is provided with first servo motor (13), and the output shaft one end of first servo motor (13) extends to the inside of concentration jar (10), the one end that first servo motor (13) extends to the inside of concentration jar (10) is provided with dwang (14), and the one end of dwang (14) runs through the inside of stirring frame (12), the inside of stirring frame (12) is connected with the surface of dwang (14), one side inside and that is located baffle (18) of concentration jar (10) is provided with backward flow frame (19), and the inner wall of backward flow frame (19) is provided with arc chute, wherein the right side of arc chute is higher than the left side, the top of backward flow frame (19) is provided with through-hole (110), and the inside of through-hole (110) is connected with the bottom of first air duct (30);
the inside of handling case (20) is provided with mounting bracket (32), the inside both sides of mounting bracket (32) all are provided with mount (33), and are provided with catalytic box (34) between two mounts (33), the below of catalytic box (34) still is provided with reaction box (41), and one side of reaction box (41) is provided with feed pump (42), one side of handling case (20) inside still is provided with absorption case (51).
2. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 1, wherein: the stirring frame (12) is of a bending special-shaped design, an electric heating plate is arranged in the stirring frame (12), and the peripheral surface of the stirring frame (12) is in sliding contact with the inner surface of the heating jacket (11).
3. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 1, wherein: a clamping block (21) is arranged above the left supporting seat (40), the top of the clamping block (21) is connected with the bottom of the concentration tank (10), and a clamping groove matched with the clamping block (21) is formed in the top of the left supporting seat (40); the two sides of the inside of the left supporting seat (40) are respectively provided with a first servo electric cylinder (22), and the driving ends of the two first servo electric cylinders (22) are respectively and movably connected with the inside of the clamping block (21).
4. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 1, wherein: two connecting blocks (23) are arranged above the right supporting seat (50), and the tops of the two connecting blocks (23) are movably connected with one side of the bottom of the concentration tank (10).
5. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 1, wherein: one side of stirring frame (12) still is provided with baffle (15), the global and the internal surface of heating jacket (11) of baffle (15) are connected, the bottom of baffle (15) is provided with material passing mouth (16), and the top of baffle (15) is provided with air vent (17), one side of concentrated jar (10) is provided with baffle (18), and one end of dwang (14) is connected with one side rotation of baffle (18).
6. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 1, wherein: the inside of handling box (20) is provided with aspiration pump (31), and the inlet end of aspiration pump (31) is connected with the one end of first air duct (30), the bottom of aspiration pump (31) is provided with mounting bracket (32), and the inside that the end of giving vent to anger through second air duct (38) extends to mounting bracket (32) of aspiration pump (31).
7. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 6, wherein: the inside of catalytic box (34) is provided with rotating frame (35), and the global branch work or material rest (36) that is provided with of rotating frame (35), one side of mounting bracket (32) is provided with second servo motor (37), and one side of output shaft one end and rotating frame (35) of second servo motor (37) are connected, the one end of second air duct (38) communicates with the inside of catalytic box (34), and one side of catalytic box (34) still is provided with third air duct (39), the top of catalytic box (34) is provided with heater (310), and one side of catalytic box (34) is provided with conveying pipe (311).
8. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 7, wherein: the feeding end of feed pump (42) communicates with the inside of reaction box (41), and the discharge end of feed pump (42) communicates with the one end of conveying pipe (311), the bottom of catalytic box (34) is provided with ejection of compact frame (43), and the bottom of ejection of compact frame (43) communicates with the inside of reaction box (41) through blanking pipe (44), the inside of ejection of compact frame (43) is provided with discharge gate (45), and the inside both sides of discharge gate (45) all slide and be provided with striker plate (46), the inside both sides of ejection of compact frame (43) all are provided with second servo electric jar (47), and the drive end of two second servo electric jars (47) rotates with the bottom of two striker plates (46) respectively and is connected.
9. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 1, wherein: an air supply pipe (48) is provided on one side of the processing tank (20), and one end of the air supply pipe (48) communicates with the interior of the reaction tank (41).
10. A removal and purification apparatus for use in the production of refined sulfuric acid as claimed in claim 7, wherein: one end of the third air duct (39) extends to the inside of the absorption box (51), a liquid feeding pipe (52) and a liquid discharging pipe (53) are further arranged above and below one side of the treatment box (20), and one ends of the liquid feeding pipe (52) and the liquid discharging pipe (53) extend to the inside of the absorption box (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310339083.6A CN116812878B (en) | 2023-04-01 | 2023-04-01 | A desorption purifier for refining sulfuric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310339083.6A CN116812878B (en) | 2023-04-01 | 2023-04-01 | A desorption purifier for refining sulfuric acid production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116812878A true CN116812878A (en) | 2023-09-29 |
| CN116812878B CN116812878B (en) | 2024-06-07 |
Family
ID=88119195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310339083.6A Active CN116812878B (en) | 2023-04-01 | 2023-04-01 | A desorption purifier for refining sulfuric acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116812878B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436192A (en) * | 1964-06-22 | 1969-04-01 | Air Preheater | Catalytic apparatus for removing sulphur dioxide from flue gas |
| CA2034948A1 (en) * | 1990-01-28 | 1991-07-29 | Karl Brandle | Process for the production of oleum and sulfuric acid |
| KR20060051614A (en) * | 2004-09-24 | 2006-05-19 | 야구앙 리우 | Process for producing divanadium pentoxide using spent catalyst containing vanadium |
| CN2883327Y (en) * | 2006-03-09 | 2007-03-28 | 解卫宇 | Dilute sulfuric acid concentration device |
| CN101844034A (en) * | 2010-06-18 | 2010-09-29 | 宁波金远东工业科技有限公司 | Device for removing sulfur dioxide from waste gas and producing ammonium sulfate byproduct |
| WO2018191906A1 (en) * | 2017-04-20 | 2018-10-25 | 江苏申江环境科技有限公司 | Waste gas recovery, treatment and conversion system apparatus |
| CN111232934A (en) * | 2020-03-19 | 2020-06-05 | 四川华茂聚源建筑工程设计有限公司 | A device for utilizing desulfurization waste liquid and its operation method |
| CN111547686A (en) * | 2020-05-14 | 2020-08-18 | 何爽 | Refined acid production method and production system |
| CN211770312U (en) * | 2019-12-27 | 2020-10-27 | 江苏田润化工设备有限公司 | System for removing sulfur dioxide from refined sulfuric acid |
| CN212450713U (en) * | 2020-06-06 | 2021-02-02 | 江西省杰夫环保科技有限公司 | Equipment for preparing sulfuric acid from coking desulfurization waste liquid |
| CN113460972A (en) * | 2021-07-22 | 2021-10-01 | 镇江润晶高纯化工科技股份有限公司 | Preparation method of ultra-high purity semiconductor grade sulfuric acid |
| CN215209158U (en) * | 2021-05-31 | 2021-12-17 | 贵州首高新型建筑材料有限公司 | A kind of preheating rotary kiln for calcining phosphogypsum |
| TWI765711B (en) * | 2021-05-19 | 2022-05-21 | 綠升國際股份有限公司 | Method for preparing high-purity electronic grade sulfuric acid from waste sulfuric acid solution |
-
2023
- 2023-04-01 CN CN202310339083.6A patent/CN116812878B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3436192A (en) * | 1964-06-22 | 1969-04-01 | Air Preheater | Catalytic apparatus for removing sulphur dioxide from flue gas |
| CA2034948A1 (en) * | 1990-01-28 | 1991-07-29 | Karl Brandle | Process for the production of oleum and sulfuric acid |
| KR20060051614A (en) * | 2004-09-24 | 2006-05-19 | 야구앙 리우 | Process for producing divanadium pentoxide using spent catalyst containing vanadium |
| CN2883327Y (en) * | 2006-03-09 | 2007-03-28 | 解卫宇 | Dilute sulfuric acid concentration device |
| CN101844034A (en) * | 2010-06-18 | 2010-09-29 | 宁波金远东工业科技有限公司 | Device for removing sulfur dioxide from waste gas and producing ammonium sulfate byproduct |
| WO2018191906A1 (en) * | 2017-04-20 | 2018-10-25 | 江苏申江环境科技有限公司 | Waste gas recovery, treatment and conversion system apparatus |
| CN211770312U (en) * | 2019-12-27 | 2020-10-27 | 江苏田润化工设备有限公司 | System for removing sulfur dioxide from refined sulfuric acid |
| CN111232934A (en) * | 2020-03-19 | 2020-06-05 | 四川华茂聚源建筑工程设计有限公司 | A device for utilizing desulfurization waste liquid and its operation method |
| CN111547686A (en) * | 2020-05-14 | 2020-08-18 | 何爽 | Refined acid production method and production system |
| CN212450713U (en) * | 2020-06-06 | 2021-02-02 | 江西省杰夫环保科技有限公司 | Equipment for preparing sulfuric acid from coking desulfurization waste liquid |
| TWI765711B (en) * | 2021-05-19 | 2022-05-21 | 綠升國際股份有限公司 | Method for preparing high-purity electronic grade sulfuric acid from waste sulfuric acid solution |
| CN215209158U (en) * | 2021-05-31 | 2021-12-17 | 贵州首高新型建筑材料有限公司 | A kind of preheating rotary kiln for calcining phosphogypsum |
| CN113460972A (en) * | 2021-07-22 | 2021-10-01 | 镇江润晶高纯化工科技股份有限公司 | Preparation method of ultra-high purity semiconductor grade sulfuric acid |
Non-Patent Citations (1)
| Title |
|---|
| 肖保正 等: ""300 kt/a硫黄制酸装置设计与运行的回顾及探讨"", 《硫酸工业》, vol. 2022, no. 09, 28 September 2022 (2022-09-28), pages 1 - 6 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116812878B (en) | 2024-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111115587A (en) | Method and system for preparing analytically pure sulfuric acid from smelting flue gas | |
| CN117401698B (en) | Process and system for preparing battery-grade lithium fluoride from industrial lithium carbonate | |
| CN116812878B (en) | A desorption purifier for refining sulfuric acid production | |
| CN219682156U (en) | Waste gas treatment mechanism of injection molding machine | |
| US4255399A (en) | Process for the recovery of magnesium oxide of high purity | |
| CN203346358U (en) | Coke oven gas purifying system for efficiently recovering heat source of coking plant | |
| CN113415787A (en) | Device and method for efficiently separating and purifying sulfur in desulfurization waste liquid | |
| CN119425118A (en) | A furan distillation and purification device for tetrahydrofuran raw material | |
| CN111153416A (en) | System and method for preparing ammonium sulfate from active coke desulfurization rich gas | |
| CN116082162B (en) | A production process for synthesizing tert-butylamine by direct catalytic amination of isobutylene | |
| CN107551598B (en) | Caprolactam crystallization device and use method | |
| CN210065171U (en) | Chlorosulfonic acid production system | |
| CN111318141A (en) | Device and method for treating raw material gas for producing thionyl chloride | |
| CN211141971U (en) | Novel high-efficient coal gas desulfurization device | |
| CN213761196U (en) | A kind of ionic liquid desulfurization equipment for sulfur-containing gas | |
| CN116251386A (en) | Organic matter purifying equipment for producing hydrogen peroxide by anthraquinone process | |
| CN216614053U (en) | Recovery unit of waste sulfuric acid in thioxanthone photoinitiator production | |
| CN202061543U (en) | Complete device for sulfur dioxide FGD | |
| CN115025607A (en) | Argon purification device and purification method thereof | |
| CN222019538U (en) | A concentration tower for wet phosphoric acid purification method | |
| CN220126176U (en) | Purification device | |
| CN216457005U (en) | A kind of crystallization condensation equipment used in the production of sodium acetate | |
| MX2007009630A (en) | Recovery of sulphuric acid. | |
| CN223170526U (en) | A device for purifying wet-process phosphoric acid by extraction method | |
| CN100363339C (en) | Process for producing carbamate from flue gas CO2 |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A purification and removal device for refining sulfuric acid production Granted publication date: 20240607 Pledgee: Jiangsu Yangzhou Rural Commercial Bank Co.,Ltd. Shugang Slender West Lake Sub branch Pledgor: JIANGSU TIANRUN CHEMICAL EQUIPMENT Co.,Ltd. Registration number: Y2025980061720 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |