CN218741156U - Hydrogen fluoride tail gas absorbing device - Google Patents
Hydrogen fluoride tail gas absorbing device Download PDFInfo
- Publication number
- CN218741156U CN218741156U CN202223405470.5U CN202223405470U CN218741156U CN 218741156 U CN218741156 U CN 218741156U CN 202223405470 U CN202223405470 U CN 202223405470U CN 218741156 U CN218741156 U CN 218741156U
- Authority
- CN
- China
- Prior art keywords
- hydrogen fluoride
- pipe
- polytetrafluoroethylene
- bin
- jar
- 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.)
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- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910000040 hydrogen fluoride Inorganic materials 0.000 title claims abstract description 42
- 239000007789 gas Substances 0.000 title claims abstract description 30
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000003756 stirring Methods 0.000 claims abstract description 26
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 23
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 22
- 238000010009 beating Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 21
- 238000010521 absorption reaction Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 abstract description 14
- 239000007787 solid Substances 0.000 abstract description 13
- 238000001179 sorption measurement Methods 0.000 abstract description 8
- 239000002594 sorbent Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000003463 adsorbent Substances 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
The utility model provides a hydrogen fluoride tail gas absorbing device relates to exhaust-gas treatment technical field, including the equipment panel beating, the inboard fixed mounting of equipment panel beating has the polytetrafluoroethylene jar, and the inboard fixed mounting in polytetrafluoroethylene tank deck end has dry storehouse shell spare. The utility model discloses, put pressure boost pipe to one side in with the leading-in reaction storehouse of outside air, can not only with ascending hydrogen fluoride waste gas convection current down from last, make hydrogen fluoride gas pressure adsorb in to solid sorbent, and can also promote the ring piece rotation through a plurality of boards of putting to one side from last air down, thereby make a plurality of stirring leaves stir solid sorbent, promote its adsorption efficiency, it need not to add driving motor to stir solid sorbent, and polytetrafluoroethylene jar, dry storehouse shell spare, pneumatic stirring spare is made by the polytetrafluoroethylene material that can not be corroded by hydrogen fluoride, avoided the pivot to be corroded and damaged, increase frequency of maintenance's problem.
Description
Technical Field
The utility model relates to a waste gas treatment technical field especially relates to hydrogen fluoride tail gas absorbing device.
Background
The hydrogen fluoride waste gas mainly comes from aluminum electrolysis and steel making processes in metallurgical industry, is harmful air pollutants and is harmful to animals and plants, so the hydrogen fluoride waste gas can be discharged into the atmosphere after absorption and purification.
For example, chinese patent numbers are: CN 210385463U's "a preparation hydrogen fluoride tail gas absorbing device", including tail gas treatment case, the inside of tail gas treatment case is provided with the reaction chamber, the top surface of tail gas treatment case is provided with driving motor, be provided with the stirring board in driving motor's the lower extreme drive shaft, the stirring board is in the inside in reaction chamber, and driving motor's lower extreme drive shaft is pegged graft in the inside of locating part, the locating part is fixed on the inner wall in reaction chamber, the bottom surface in reaction chamber is provided with the blowoff valve pipe, and be provided with the filter on the inner wall of tail gas treatment case, the filter is in the top in reaction chamber.
However, in the prior art, hydrofluoric acid can corrode metal and silicon-containing organic or inorganic materials, and a driving shaft connected with a driving motor is arranged in a reaction bin for absorbing hydrogen fluoride, so that the reaction bin is extremely easy to corrode and damage in the use process, the purification and absorption efficiency is influenced, and the daily maintenance cost of equipment is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the hydrofluoric acid that exists among the prior art and can corroding metal, siliceous organic or inorganic material, set up the drive shaft that is connected with driving motor in the reaction storehouse of absorption hydrogen fluoride, very easily corroded and damage in the use, not only influence and purify absorption efficiency, still can increase the problem of the daily maintenance cost of equipment, and the hydrogen fluoride tail gas absorbing device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme: hydrogen fluoride tail gas absorbing device, including the equipment panel beating, the inboard fixed mounting of equipment panel beating has the polytetrafluoroethylene jar, and the inboard fixed mounting in polytetrafluoroethylene tank top has dry storehouse shell spare, polytetrafluoroethylene tank deck portion is equipped with the reaction storehouse, and polytetrafluoroethylene tank bottoms portion is equipped with the cooling storehouse, fixed mounting has the spiral induction pipe in the cooling storehouse, movable mounting has pneumatic stirring spare in the reaction storehouse, and the even fixed grafting in reaction storehouse top has a plurality of pressure pipes of putting to one side, the spout has been seted up to the reaction storehouse inboard, pneumatic stirring spare includes the ring, the outside and the spout sliding connection of ring, and the even welding in ring top has a plurality of oblique boards, the even welding in ring bottom has a plurality of stirring leaves.
Preferably, a plurality of rollers are uniformly and rotatably arranged on the outer side of the ring piece, and the outer side of each roller is in sliding connection with the inner side of the sliding groove.
Preferably, the top end of the scroll inlet pipe is inserted into the bottom of the reaction bin, the top end of the equipment metal plate is fixedly provided with a sealing cover, and the sealing cover is welded with an output pipe.
Preferably, fixed mounting has the leading-in subassembly of air on the polytetrafluoroethylene jar, the leading-in subassembly of air includes booster pump, ring pipe, the booster pump is linked together with the ring pipe, and every booster pipe of putting to one side all is linked together with the ring pipe.
Preferably, a plurality of through holes are uniformly formed in the bottom of the outer side of the drying bin shell, and the bottom end of the drying bin shell is communicated with a bottom pipe.
Preferably, the bottom end of the bottom pipe is communicated with the cooling bin, the bottom end of the cooling bin is communicated with a discharge pipe, and the discharge pipe is provided with a valve.
Preferably, the outer wall of the annular pipe and the equipment metal plate are fixedly installed through bolts.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
1. the utility model discloses in, put the pressure boost pipe to one side in with the leading-in reaction storehouse of outside air, can not only with ascending hydrogen fluoride waste gas convection current down from last, make hydrogen fluoride gas pressure adsorb in to solid sorbent, and can also promote the ring piece rotation through a plurality of boards of putting to one side from last air down, thereby make a plurality of stirring leaves stir solid sorbent, promote its adsorption efficiency, it need not to add driving motor to stir solid sorbent, and polytetrafluoroethylene jar, dry storehouse shell spare, pneumatic stirring spare is made by the polytetrafluoroethylene material that can not be corroded by hydrogen fluoride, avoided the pivot to be corroded and damaged, increase frequency of maintenance's problem.
2. The utility model discloses in, the gas that has been purified is leading-in to the dry intracavity through a plurality of through-holes, and the bottom tube can be with the leading-in storage to the bottom cooling storehouse of the produced moisture of dry air, and the moisture of usable recovery carries out the cooling of hydrogen fluoride waste gas, and is more energy-concerving and environment-protective.
Drawings
Fig. 1 is a perspective view of a hydrogen fluoride off-gas absorber according to the present invention;
FIG. 2 is a cross-sectional front view of the hydrogen fluoride tail gas absorption apparatus of the present invention;
FIG. 3 is a schematic view of the hydrogen fluoride tail gas absorption apparatus according to the present invention;
fig. 4 is a perspective view of the pneumatic stirring member of the hydrogen fluoride tail gas absorption device of the present invention.
Illustration of the drawings: 1. equipment sheet metal; 2. sealing the cover; 20. an output pipe; 3. a scroll inlet tube; 4. a polytetrafluoroethylene can; 40. a cooling bin; 41. a discharge pipe; 410. a valve; 42. a reaction bin; 420. a chute; 5. drying the bin shell; 50. a through hole; 51. a bottom tube; 6. an air introduction assembly; 60. an annular tube; 61. obliquely arranging a pressure increasing pipe; 62. a booster pump; 7. a pneumatic stirring member; 70. a ring member; 71. a roller; 72. stirring blades; 73. and (5) obliquely placing the plate.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the hydrogen fluoride tail gas absorption device comprises an equipment sheet metal 1, a polytetrafluoroethylene tank 4 is fixedly mounted on the inner side of the equipment sheet metal 1, a drying bin shell piece 5 is fixedly mounted on the inner side of the top end of the polytetrafluoroethylene tank 4, a reaction bin 42 is arranged on the top of the polytetrafluoroethylene tank 4, a cooling bin 40 is arranged at the bottom of the polytetrafluoroethylene tank 4, a scroll inlet pipe 3 is fixedly mounted in the cooling bin 40, a pneumatic stirring piece 7 is movably mounted in the reaction bin 42, a plurality of inclined pressurizing pipes 61 are uniformly and fixedly inserted into the top of the reaction bin 42, a sliding chute 420 is formed in the inner side of the reaction bin 42, the pneumatic stirring piece 7 comprises a ring piece 70, the outer side of the ring piece 70 is in sliding connection with the sliding chute 420, a plurality of inclined plates 73 are uniformly welded on the top of the ring piece 70, a plurality of stirring blades 72 are uniformly welded on the bottom of the ring piece 70, the top end of the scroll inlet pipe 3 is inserted into the bottom of the reaction bin 42, a sealing cover 2 is fixedly mounted on the top end of the equipment sheet metal 1, and an output pipe 20 is welded on the sealing cover 2; the device is provided with a polytetrafluoroethylene structure which cannot be corroded by hydrogen fluoride, such as a polytetrafluoroethylene tank 4, a drying bin shell piece 5 and a pneumatic stirring piece 7, the hydrogen fluoride is taken out by adopting an adsorption purification method, the adsorption purification method is to adsorb waste gas containing the hydrogen fluoride by filling a solid adsorbent so as to achieve the aim of removing the fluorine, and industrial alumina, calcium oxide, calcium hydroxide and the like can be adopted as the adsorbent. When the device is used, solid adsorbent is filled in the reaction bin 4, clear water is filled in the cooling bin 40, when hydrogen fluoride waste gas is led in through the scroll inlet pipe 3, firstly, the hydrogen fluoride waste gas is cooled in the cooling bin 40 and then is discharged into the reaction bin 42 from bottom to top, meanwhile, the external air is led into the reaction bin 4 through the inclined pressure pipes 61, the air from top to bottom can not only convect with the upward hydrogen fluoride waste gas, so that the hydrogen fluoride gas is pressed into the solid adsorbent for adsorption treatment, and the air from top to bottom can also push the ring piece 70 to rotate through the inclined plates 73, so that the solid adsorbent in the reaction bin 4 is stirred by the stirring blades 72 at the bottom of the ring piece 70, the adsorption efficiency is improved, and then the adsorbed and purified air is discharged from the top output pipe 20 after upwards adsorbed by the activated carbon in the drying bin shell piece 5.
As shown in fig. 4, a plurality of rollers 71 are rotatably mounted on the outer side of the ring member 70, and the outer side of each roller 71 is slidably connected to the inner side of the sliding groove 420, so that the rollers 71 can reduce the friction force when the ring member 70 rotates.
As shown in fig. 2 and 4, an air introduction assembly 6 is fixedly mounted on the teflon tank 4, the air introduction assembly 6 includes a booster pump 62 and an annular pipe 60, the outer wall of the annular pipe 60 is fixedly mounted on the equipment sheet metal 1 through bolts, the booster pump 62 is communicated with the annular pipe 60, each inclined booster pipe 61 is communicated with the annular pipe 60, and after the booster pump 62 sucks in outside air, the outside air is introduced into the inclined booster pipes 61 through the annular pipe 60 and is ejected out of the reaction chamber 4 to the downward inclined side.
As shown in fig. 1, 2 and 3, a plurality of through holes 50 are uniformly formed in the bottom of the outer side of the drying chamber housing 5, a bottom pipe 51 is connected to the bottom end of the drying chamber housing 5, the plurality of through holes 50 are used for circulating the purified gas, and the bottom pipe 51 can introduce the moisture generated by the dry air into the bottom cooling chamber 40 to cool the hydrogen fluoride waste gas by using the recovered moisture.
As shown in fig. 1, 2 and 3, the bottom end of the bottom pipe 51 is communicated with the cooling bin 40, the bottom end of the cooling bin 40 is communicated with a discharge pipe 41, a valve 410 is installed on the discharge pipe 41, and the sewage in the cooling bin 40 can be discharged by opening the valve 410.
The use method and the working principle of the device are as follows: when the device is used, solid adsorbent is filled in the reaction bin 4, clear water is filled in the cooling bin 40, when hydrogen fluoride waste gas is led in through the scroll inlet pipe 3, firstly, the hydrogen fluoride waste gas is cooled in the cooling bin 40 and then is discharged into the reaction bin 42 from bottom to top, meanwhile, the external air is led into the reaction bin 4 through the inclined pressure pipes 61, the air from top to bottom can not only convect with the upward hydrogen fluoride waste gas, so that the hydrogen fluoride gas is pressed into the solid adsorbent for adsorption treatment, and the air from top to bottom can also push the ring piece 70 to rotate through the inclined plates 73, so that the solid adsorbent in the reaction bin 4 is stirred by the stirring blades 72 at the bottom of the ring piece 70, the adsorption efficiency is improved, and then the adsorbed and purified air is discharged from the top output pipe 20 after upwards adsorbed by the activated carbon in the drying bin shell piece 5.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (7)
1. Hydrogen fluoride tail gas absorbing device, including equipment panel beating (1), its characterized in that: the utility model discloses a pneumatic stirring device, including equipment panel beating (1), polytetrafluoroethylene jar (4), and polytetrafluoroethylene jar (4) top inboard fixed mounting has dry storehouse shell spare (5), polytetrafluoroethylene jar (4) top is equipped with reaction bin (42), and polytetrafluoroethylene jar (4) bottom is equipped with cooling bin (40), fixed mounting has scroll induction pipe (3) in cooling bin (40), movable mounting has pneumatic stirring spare (7) in reaction bin (42), and reaction bin (42) top is evenly fixed pegs graft and is had a plurality of pressure boost pipes (61) of putting to one side, spout (420) have been seted up to reaction bin (42) inboard, pneumatic stirring spare (7) are including ring piece (70), the outside and spout (420) sliding connection of ring piece (70), and the even welding in ring piece (70) top has a plurality of oblique boards (73), the even welding in ring piece (70) bottom has a plurality of stirring leaves (72).
2. The hydrogen fluoride off-gas absorption device according to claim 1, characterized in that: a plurality of rollers (71) are uniformly and rotatably arranged on the outer side of the ring piece (70), and the outer side of each roller (71) is in sliding connection with the inner side of the sliding groove (420).
3. The hydrogen fluoride off-gas absorption apparatus according to claim 1, characterized in that: the top end of the scroll lead-in pipe (3) is inserted at the bottom of the reaction bin (42), the top end of the equipment metal plate (1) is fixedly provided with a sealing cover (2), and the sealing cover (2) is welded with an output pipe (20).
4. The hydrogen fluoride off-gas absorption device according to claim 1, characterized in that: fixed mounting has air introduction subassembly (6) on polytetrafluoroethylene jar (4), air introduction subassembly (6) include booster pump (62), annular pipe (60), booster pump (62) are linked together with annular pipe (60), and every puts booster pipe (61) to one side and all is linked together with annular pipe (60).
5. The hydrogen fluoride off-gas absorption device according to claim 1, characterized in that: the bottom of the outer side of the drying bin shell piece (5) is uniformly provided with a plurality of through holes (50), and the bottom end of the drying bin shell piece (5) is communicated with a bottom pipe (51).
6. The hydrogen fluoride off-gas absorption device according to claim 5, characterized in that: the bottom of the bottom pipe (51) is communicated with the cooling bin (40), the bottom of the cooling bin (40) is communicated with a discharge pipe (41), and the discharge pipe (41) is provided with a valve (410).
7. The hydrogen fluoride off-gas absorption device according to claim 4, characterized in that: the outer wall of the annular pipe (60) is fixedly installed with the equipment metal plate (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223405470.5U CN218741156U (en) | 2022-12-19 | 2022-12-19 | Hydrogen fluoride tail gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223405470.5U CN218741156U (en) | 2022-12-19 | 2022-12-19 | Hydrogen fluoride tail gas absorbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218741156U true CN218741156U (en) | 2023-03-28 |
Family
ID=85684497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223405470.5U Active CN218741156U (en) | 2022-12-19 | 2022-12-19 | Hydrogen fluoride tail gas absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218741156U (en) |
-
2022
- 2022-12-19 CN CN202223405470.5U patent/CN218741156U/en active Active
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