CN216935472U - Purification device capable of drying flue gas for hydrofluoric acid production - Google Patents
Purification device capable of drying flue gas for hydrofluoric acid production Download PDFInfo
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- CN216935472U CN216935472U CN202220457796.3U CN202220457796U CN216935472U CN 216935472 U CN216935472 U CN 216935472U CN 202220457796 U CN202220457796 U CN 202220457796U CN 216935472 U CN216935472 U CN 216935472U
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- hydrofluoric acid
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- flue gas
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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
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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/30—Capture or disposal of greenhouse gases of perfluorocarbons [PFC], hydrofluorocarbons [HFC] or sulfur hexafluoride [SF6]
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Abstract
The utility model discloses a purification device of dryable flue gas for hydrofluoric acid production, which comprises a recovery pipe and a liquid storage barrel positioned below the recovery pipe, a first connecting pipe communicated with the recovery pipe is fixedly arranged on one side of the recovery pipe, a first suction fan is fixedly arranged in the first connecting pipe, a second connecting pipe communicated with the recovery pipe is fixedly arranged on one side of the recovery pipe away from the first connecting pipe, a second suction fan is fixedly arranged in the second connecting pipe, an absorption tank is fixedly arranged on one side of the second connecting pipe, one side of the absorption tank is provided with an air inlet which is communicated with the second connecting pipe, the utility model has simple structure and convenient installation, the collecting component can collect sodium fluoride crystals with economic value, thereby increasing additional economic benefit, meanwhile, the active carbon and the soda lime can be replaced regularly, and the working effect of filtering hydrofluoric acid gas is ensured.
Description
Technical Field
The utility model relates to the technical field of hydrofluoric acid production, in particular to a purification device capable of drying flue gas for hydrofluoric acid production.
Background
Hydrofluoric acid is a clear, colorless, fuming, corrosive liquid containing hydrogen fluoride gas, has a violent pungent odor, is a weak acid, has extremely strong corrosivity, and can strongly corrode metals, glass and silicon-containing objects, such as burns which are difficult to cure due to steam inhalation or skin contact.
The utility model with the publication number of CN108211742A discloses a purification device for drying flue gas for hydrofluoric acid production, which comprises a device body, a control panel is arranged on the outer wall of the left side of the device body, an air suction port on the outer wall of the device body is connected with a first fan, a liquid storage cavity is arranged at the bottom in the device body, a filter device and a sensor device are arranged in the liquid storage cavity, a first water pump in the liquid storage cavity is connected with an atomizing nozzle, a filter bag layer is arranged above a fixed rod in sequence, soda lime adsorbed layer and active carbon adsorbed layer, active carbon adsorbed layer top is equipped with fan two, and the output of fan two passes through the inlet port of tuber pipe connection gas purification device bottom, and device body inner wall is equipped with noise reduction device, and device body fixed mounting supports the base bottom fixed mounting support column on supporting the base, is equipped with damping device on the support column, and damping device includes shock attenuation piece and shock attenuation steel sheet, and the support column bottom is equipped with the universal wheel. The utility model has reasonable structure and convenient use, and can effectively carry out absorption and purification treatment on the flue gas generated in a production workshop.
Above-mentioned utility model's filter equipment is fixed mounting, because active carbon and soda lime life are shorter, need change at any time, above-mentioned utility model does not possess this kind of function, does not have the function that the sodium fluoride that produces sodium carbonate solution and hydrofluoric acid reaction simultaneously carries out the collection, does not possess the function of creating extra economic benefits.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a purification device for producing hydrofluoric acid and capable of drying flue gas.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a purification device of dryable flue gas for hydrofluoric acid production comprises a recovery pipe and a liquid storage barrel located below the recovery pipe, wherein a first connecting pipe communicated with the recovery pipe is fixedly installed on one side of the recovery pipe, a first suction fan is fixedly installed in the first connecting pipe, a second connecting pipe communicated with the recovery pipe is fixedly installed on one side, away from the first connecting pipe, of the recovery pipe, a second suction fan is fixedly installed in the second connecting pipe, an absorption tank is fixedly installed on one side of the second connecting pipe, an air inlet is formed in one side of the absorption tank and communicated with the second connecting pipe, two second installation grooves are formed in the inner wall of the absorption tank, an air outlet is formed in one side of the absorption tank, an air outlet pipe is fixedly installed in the air outlet, and one end of the air outlet pipe extends out of the absorption tank;
a spray assembly for neutralizing hydrofluoric acid gas is fixedly arranged at the top of the first connecting pipe;
the bottom of the recovery pipe is provided with a collection assembly for recovering sodium fluoride;
two replacing components which are convenient to replace activated carbon and soda lime are arranged in the second mounting groove.
Preferably, the bottom fixed mounting of first connecting pipe has two second supporting legs that are the symmetry and place, the equal fixed mounting in bottom four corners of absorption tank has the third supporting leg, has realized supporting and has chosen the height to overall structure.
Preferably, spray set includes four first supporting legs of fixed mounting at first connecting pipe top, four the top fixed mounting of first supporting leg has same sodium carbonate solution bucket, the top inner wall fixed mounting of first connecting pipe has a plurality of atomizer, the bottom fixed mounting of sodium carbonate solution bucket has a plurality of pipes that are linked together with sodium carbonate solution bucket, and the bottom and the atomizer of pipe are linked together, can carry out preliminary neutralization to hydrofluoric acid gas through spray set.
Preferably, the collection subassembly is including setting up a plurality of screw holes in the bottom four corners of collector tube, the bottom of collector tube is equipped with the filter, be equipped with a plurality of bolts in the filter, the top and the screw hole threaded connection of bolt, the filter can be collected the sodium fluoride crystal that hydrofluoric acid after spraying produced, has promoted usable value and economic value.
Preferably, the replacement component comprises a filtering frame arranged in the second mounting groove, two shaft levers are fixedly mounted on two sides of the filtering frame, one end, away from the filtering frame, of the shaft lever is connected with a pulley in a rotating mode, two slide rails symmetrically arranged are fixedly mounted on the inner wall of the bottom of the second mounting groove, the pulley is matched with the slide rails in a rolling mode, replacement of the excessive activated carbon and the soda lime is facilitated through the replacement component, and the practicability of the overall structure is improved.
Preferably, a sealing plate is fixedly mounted on one side of the filtering frame, a pull ring is fixedly mounted on one side, away from the filtering frame, of the sealing plate, the sealing plate is tightly connected with the second mounting groove in a sliding manner, and the sealing plate can ensure the air tightness of the absorption tank during filtering of hydrofluoric acid gas.
Preferably, the inner wall of one side of the absorption tank far away from the gas outlet is provided with a first mounting groove, a blower is fixedly mounted in the first mounting groove, and the blower can discharge filtered hydrofluoric acid gas out of the absorption tank.
Preferably, the bottom inner wall of the first connecting pipe has a slope of 15 ° to 20 ° to allow the solution to flow into the recovery pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the utility model, sodium fluoride generated by neutralizing hydrofluoric acid and sodium carbonate solution can be collected, so that additional utilizable value and economic value are created;
2. according to the utility model, the activated carbon and the soda lime can be replaced regularly, the filtering effect on hydrofluoric acid gas is improved, and the practicability of the whole structure is enhanced;
the device has a simple structure, is convenient and quick to install, can collect sodium fluoride crystals with economic value through the collecting assembly, increases extra economic benefit, and can regularly replace activated carbon and soda lime, thereby ensuring the working effect of filtering hydrofluoric acid gas.
Drawings
FIG. 1 is a three-dimensional view of the overall structure of a device for purifying a dry flue gas for hydrofluoric acid production according to the present invention;
FIG. 2 is a sectional three-dimensional view of the whole structure of a purification device for the dry flue gas for hydrofluoric acid production according to the present invention;
FIG. 3 is a three-dimensional view of the structure of an absorption tank of the purification device for the dry flue gas for hydrofluoric acid production provided by the utility model;
FIG. 4 is a three-dimensional view of a collecting component of a device for purifying a dry flue gas for hydrofluoric acid production according to the present invention;
FIG. 5 is a three-dimensional view of a recycling pipe of the purification device for the dry flue gas for hydrofluoric acid production according to the present invention;
fig. 6 is a three-dimensional diagram of a replacement component of the purification device for the dry flue gas for hydrofluoric acid production.
In the figure: 1. a recovery pipe; 2. a liquid storage barrel; 3. a first connecting pipe; 4. an absorption tank; 5. a sodium carbonate solution barrel; 6. a first support leg; 7. a conduit; 8. a second support leg; 9. a second connecting pipe; 10. a third support leg; 11. an air outlet pipe; 12. a first suction fan; 13. an atomizing spray head; 14. a filter plate; 15. a second suction fan; 16. an air inlet; 17. replacing the component; 18. a sealing plate; 19. a pull ring; 20. a first mounting groove; 21. a blower; 22. an air outlet; 23. a second mounting groove; 24. a filter frame; 25. a bolt; 26. a threaded hole; 27. a slide rail; 28. a shaft lever; 29. a pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-6, a purification device of a dryable flue gas for hydrofluoric acid production comprises a recovery tube 1 and a liquid storage barrel 2 located below the recovery tube 1, a first connection tube 3 connected with the recovery tube 1 is fixedly installed on one side of the recovery tube 1, a first suction fan 12 is fixedly installed in the first connection tube 3, a second connection tube 9 connected with the recovery tube 1 is fixedly installed on one side of the recovery tube 1 far away from the first connection tube 3, a second suction fan 15 is fixedly installed in the second connection tube 9, an absorption tank 4 is fixedly installed on one side of the second connection tube 9, an air inlet 16 is arranged on one side of the absorption tank 4, the air inlet 16 is communicated with the second connection tube 9, two second installation grooves 23 are arranged on the inner wall of the absorption tank 4, an air outlet 22 is arranged on one side of the absorption tank 4, an air outlet tube 11 is fixedly installed in the air outlet 22, and one end of the air outlet tube 11 extends out of the absorption tank 4, the top fixed mounting of first connecting pipe 3 has the spray assembly who is used for neutralizing the hydrofluoric acid gas, and the bottom of recovery tube 1 is equipped with the collection subassembly that is used for retrieving sodium fluoride, is equipped with two replacement subassemblies 17 that conveniently change active carbon and soda lime in the second mounting groove 23.
Example two
The embodiment is improved on the basis of the first embodiment: the bottom of the first connecting pipe 3 is fixedly provided with two second supporting legs 8 which are symmetrically arranged, four corners of the bottom of the absorption tank 4 are fixedly provided with third supporting legs 10, the whole structure is supported and raised, the spray assembly comprises four first supporting legs 6 which are fixedly arranged at the top of the first connecting pipe 3, the tops of the four first supporting legs 6 are fixedly provided with the same sodium carbonate solution barrel 5, the inner wall of the top of the first connecting pipe 3 is fixedly provided with a plurality of atomizing nozzles 13, the bottom of the sodium carbonate solution barrel 5 is fixedly provided with a plurality of guide pipes 7 which are communicated with the sodium carbonate solution barrel 5, the bottom ends of the guide pipes 7 are communicated with the atomizing nozzles 13, hydrofluoric acid gas can be preliminarily neutralized through the spray assembly, the collection assembly comprises a plurality of threaded holes 26 which are arranged at the four corners of the bottom of the recovery pipe 1, the bottom of the recovery pipe 1 is provided with a filter plate 14, a plurality of bolts 25 are arranged in the filter plate 14, bolt 25's top and screw hole 26 threaded connection, filter 14 can collect the sodium fluoride crystal that the hydrofluoric acid after spraying produced, but has promoted usable value and economic value, change subassembly 17 including setting up the filter frame 24 in second mounting groove 23, the equal fixed mounting in both sides of filter frame 24 has two axostylus axostyle 28, the one end that filter frame 24 was kept away from to axostylus axostyle 28 is rotated and is connected with pulley 29, the bottom inner wall fixed mounting of second mounting groove 23 has two slide rails 27 that are the symmetry and place, and pulley 29 and slide rail 27 roll cooperation, the change to the active carbon of overuse and soda lime has been made things convenient for through changing subassembly 17, overall structure's practicality has been promoted.
EXAMPLE III
The embodiment is improved on the basis of the first embodiment: one side fixed mounting of filtration frame 24 has closing plate 18, one side fixed mounting that closing plate 18 kept away from filtration frame 24 has pull ring 19, closing plate 18 and the inseparable sliding connection of second mounting groove 23, closing plate 18 can guarantee the gas tightness of adsorption tank 4 when filtering hydrofluoric acid gas, one side inner wall that adsorption tank 4 kept away from gas outlet 22 is equipped with first mounting groove 20, fixed mounting has hair-dryer 21 in the first mounting groove 20, hair-dryer 21 can be with the hydrofluoric acid gas that can discharge after filtering in the adsorption tank 4, the bottom inner wall slope of first connecting pipe 3 is 15-20, make solution can flow in the recovery tube 1.
The working principle is as follows: when hydrofluoric acid gas is purified, active carbon and soda lime are respectively paved in two filtering frames 24, the two filtering frames 24 are respectively inserted into two second mounting grooves 23, a pulley 29 is in contact with a slide rail 27, a pull ring 19 is pushed, the movement of the pull ring 19 drives a sealing plate 18 and the filtering frames 24 to move, the movement of the filtering frames 24 drives the pulley 29 to rotate in the slide rail 27 until the sealing plate 18 is pushed into the second mounting groove 23 and is sealed with the second mounting groove 23, the filtering frame 24 with the soda lime is placed below the filtering frame 24 with the active carbon, a first suction fan 12, a second suction fan 15, an atomizing nozzle 13 and a blower 21 are started, the first suction fan 12 sucks the hydrofluoric acid gas into a first connecting pipe 3, the atomizing nozzle 13 sprays sodium carbonate solution in a sodium carbonate solution barrel 5 onto the hydrofluoric acid gas, and sodium fluoride crystal and liquid generated by neutralizing with hydrofluoric acid gas flow into the recovery tube 1 and fall onto the filter plate 14 along the inner wall of the recovery tube 1, the filter plate 14 filters the liquid into the liquid storage barrel 2, so that the sodium fluoride crystal is retained on the surface of the filter plate 14, the hydrofluoric acid gas which is not neutralized by the sodium carbonate solution is sucked into the absorption tank 4 through the air inlet 16 by the second suction fan 15, the hydrofluoric acid gas rises and respectively passes through soda lime and active carbon to be filtered and purified, the purified gas rises to the top of the absorption tank 4, the purified gas is discharged out of the absorption tank 4 through the air outlet 22 and the air outlet pipe 11 by the blower 21, the purification of the hydrofluoric acid gas is realized, when the sodium fluoride crystal needs to be recovered, the bolt 25 is unscrewed, the bolt 25 is separated from the threaded hole 26, the filter plate 14 is taken down, and the sodium fluoride crystal on the filter plate 14 is poured out.
However, the working principle and wiring method of the first suction fan 12, the atomizer 13, the second suction fan 15 and the blower 21 are well known to those skilled in the art, and will not be described herein again, and those skilled in the art can make any choice according to their needs or convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a but purifier of hydrofluoric acid production with drying flue gas, includes recovery tube (1) and stock solution bucket (2) that is located recovery tube (1) below, its characterized in that, one side fixed mounting of recovery tube (1) has first connecting pipe (3) that are linked together with recovery tube (1), fixed mounting has first suction fan (12) in first connecting pipe (3), one side fixed mounting that first connecting pipe (3) were kept away from in recovery tube (1) has second connecting pipe (9) that are linked together with recovery tube (1), fixed mounting has second suction fan (15) in second connecting pipe (9), one side fixed mounting of second connecting pipe (9) has adsorption tank (4), one side of adsorption tank (4) is equipped with air inlet (16), and air inlet (16) are linked together with second connecting pipe (9), the inner wall of adsorption tank (4) is equipped with two second mounting grooves (23), an air outlet (22) is formed in one side of the absorption tank (4), an air outlet pipe (11) is fixedly mounted in the air outlet (22), and one end of the air outlet pipe (11) extends out of the absorption tank (4);
a spray assembly for neutralizing hydrofluoric acid gas is fixedly arranged at the top of the first connecting pipe (3);
the bottom of the recovery pipe (1) is provided with a collection assembly for recovering sodium fluoride;
two replacing components (17) which are convenient for replacing the active carbon and the soda lime are arranged in the second mounting groove (23).
2. The purification device for the dryable flue gas for hydrofluoric acid production according to claim 1, wherein the bottom of the first connecting pipe (3) is fixedly provided with two second supporting legs (8) which are symmetrically arranged, and four corners of the bottom of the absorption tank (4) are fixedly provided with third supporting legs (10).
3. The purification device capable of drying flue gas for hydrofluoric acid production according to claim 1, wherein the spray assembly comprises four first support legs (6) fixedly mounted at the top of the first connection pipe (3), four the top of the first support legs (6) is fixedly mounted with the same sodium carbonate solution barrel (5), the top inner wall of the first connection pipe (3) is fixedly mounted with a plurality of atomizing nozzles (13), the bottom of the sodium carbonate solution barrel (5) is fixedly mounted with a plurality of conduits (7) communicated with the sodium carbonate solution barrel (5), and the bottom of the conduits (7) is communicated with the atomizing nozzles (13).
4. The purification device of the dryable flue gas for hydrofluoric acid production according to any one of claims 1-3, wherein the collection assembly comprises a plurality of threaded holes (26) disposed at four corners of the bottom of the recovery tube (1), the bottom of the recovery tube (1) is provided with a filter plate (14), a plurality of bolts (25) are disposed in the filter plate (14), and the top ends of the bolts (25) are in threaded connection with the threaded holes (26).
5. The purification device for the dryable flue gas for hydrofluoric acid production according to any one of claims 1-3, wherein the replacement component (17) comprises a filter frame (24) disposed in the second installation groove (23), two shaft rods (28) are fixedly mounted on both sides of the filter frame (24), one ends of the shaft rods (28) far away from the filter frame (24) are rotatably connected with pulleys (29), two slide rails (27) symmetrically arranged are fixedly mounted on the inner wall of the bottom of the second installation groove (23), and the pulleys (29) are in rolling fit with the slide rails (27).
6. The purification device for the dryable flue gas for hydrofluoric acid production according to claim 5, wherein the sealing plate (18) is fixedly installed on one side of the filtering frame (24), the pull ring (19) is fixedly installed on one side of the sealing plate (18) far away from the filtering frame (24), and the sealing plate (18) is tightly connected with the second installation groove (23) in a sliding manner.
7. The purification device for the dryable flue gas for hydrofluoric acid production according to any one of claims 1-3, wherein the inner wall of the absorption tank (4) on the side far away from the air outlet (22) is provided with a first installation groove (20), and a blower (21) is fixedly installed in the first installation groove (20).
8. A purification plant of dryable flue gas for hydrofluoric acid production according to any of claims 1-3 wherein the bottom inner wall slope of the first connection tube (3) is 15 ° -20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220457796.3U CN216935472U (en) | 2022-03-04 | 2022-03-04 | Purification device capable of drying flue gas for hydrofluoric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220457796.3U CN216935472U (en) | 2022-03-04 | 2022-03-04 | Purification device capable of drying flue gas for hydrofluoric acid production |
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| CN216935472U true CN216935472U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220457796.3U Active CN216935472U (en) | 2022-03-04 | 2022-03-04 | Purification device capable of drying flue gas for hydrofluoric acid production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040659A1 (en) * | 2022-08-22 | 2024-02-29 | 福建省龙氟新材料有限公司 | Tail gas adsorption tower specially adapted for hydrogen fluoride |
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2022
- 2022-03-04 CN CN202220457796.3U patent/CN216935472U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040659A1 (en) * | 2022-08-22 | 2024-02-29 | 福建省龙氟新材料有限公司 | Tail gas adsorption tower specially adapted for hydrogen fluoride |
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