CN207546177U - Tail gas recovery device for potassium hydroxide production - Google Patents
Tail gas recovery device for potassium hydroxide production Download PDFInfo
- Publication number
- CN207546177U CN207546177U CN201820427917.3U CN201820427917U CN207546177U CN 207546177 U CN207546177 U CN 207546177U CN 201820427917 U CN201820427917 U CN 201820427917U CN 207546177 U CN207546177 U CN 207546177U
- Authority
- CN
- China
- Prior art keywords
- dechlorination
- potash
- potassium hydroxide
- tail gas
- hydroxide production
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 title claims abstract description 71
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000011084 recovery Methods 0.000 title abstract 2
- 238000006298 dechlorination reaction Methods 0.000 claims abstract description 38
- 239000007789 gas Substances 0.000 claims abstract description 29
- 229940072033 potash Drugs 0.000 claims abstract description 26
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims abstract description 26
- 235000015320 potassium carbonate Nutrition 0.000 claims abstract description 26
- 239000002912 waste gas Substances 0.000 claims abstract description 12
- 239000002585 base Substances 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 6
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 21
- 239000000460 chlorine Substances 0.000 abstract description 21
- 229910052801 chlorine Inorganic materials 0.000 abstract description 21
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 abstract description 3
- 235000019345 sodium thiosulphate Nutrition 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000009102 absorption Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 231100000518 lethal Toxicity 0.000 description 1
- 230000001665 lethal effect Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009103 reabsorption Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a tail gas recovery unit of potassium hydroxide production usefulness, including dechlorination jar, gas-supply pipe fixedly connected with air pump is passed through to one side of dechlorination jar, the one end fixedly connected with air suction pipe of air pump, one side of air suction pipe is equipped with the potash reaction chamber, the outer wall of potash reaction chamber is fixed with alarm device, the top joint of dechlorination jar has the admission valve, the bottom mounting of dechlorination jar has the waste gas collecting box, connect through the auxiliary line between dechlorination jar and the waste gas collecting box. The utility model discloses a through all set up the vent pipe in the top and the below of potash reaction chamber, gas in the collection potash reaction unit that can be more abundant, through the triple absorption chlorine of active carbon, ammonia-soda solution and sodium thiosulfate, dechlorination is more thorough.
Description
Technical field：
The utility model is related to chemical production technical fields more particularly to a kind of tail gas recycle of potassium hydroxide production to fill
It puts.
Background technology：
Chemical emission refers to the poisonous and hazardous gas discharged in Chemical Manufacture by chemical plant.Chemical emission often contains
There are many pollutant kind, and physics and chemical property are complicated, and toxicity is also not quite similar, serious to pollute environment and influence health,
The chemical emission ingredient difference that different Chemical Manufacture industries generate is very big.As chlor-alkali industry generate exhaust gas in mainly contain chlorine
Gas, hydrogen chloride, vinyl chloride, mercury, acetylene etc., Nitrogenous Fertilizer Industry generate exhaust gas in mainly contain nitrogen oxides, carbamide dust, an oxygen
Change carbon, ammonia, sulfur dioxide, methane etc..A large amount of chlorine can be overflowed in current potash production, chlorine is toxic gas, to ring
The toxic of border and biology is larger, and with certain lethal, therefore the tail gas to be produced to potash carries out processing recycling.
Utility model content：
The purpose of this utility model is to provide a kind of device for recovering tail gas of potassium hydroxide production, to solve existing skill
The deficiency of art.
The utility model is implemented by following technical solution：A kind of device for recovering tail gas of potassium hydroxide production, including removing
Chlorine tank, the side of the dechlorination tank are fixedly connected with air pump by appendix, and one end of the air pump is fixedly connected with air intake duct
Road, the side of the aspirating air pipe are equipped with potash reative cell, and the outer wall of the potash reative cell is fixed with alarm device, described to remove
The top of chlorine tank is connected with intake valve, and the bottom end of the dechlorination tank is fixed with waste gas collection box, the dechlorination tank and gas sampling
It is connected between case by subsidiary conduit, the outer wall of the dechlorination tank is provided with Ventilating door and maintenance door, the inner wall bottom of the dechlorination tank
End is connected with weak base pond, and dechlorination room is connected with above the weak base pond, active sketching charcoal, institute are connected with above the dechlorination room
The bottom for stating potash reative cell and waste gas collection box is fixed with work base.
Preferably, filter layer is fixed between the subsidiary conduit and waste gas collection box, the quantity of the subsidiary conduit is
It two, is respectively communicated with above and below dechlorination tank.
Preferably, it is connected between the air pump and appendix by sealing shroud, one end connection aspirating air pipe of the air pump,
Other end connecting gas transmission pipe.
Preferably, the dechlorination room is located at one end of appendix.
Preferably, the weak base pond is located at the lower section of appendix by ammonia alkali material composition, the weak base pond.
Preferably, the top of the intake valve connection potash reative cell, the aspirating air pipe are connected under potash reative cell
Side.
The advantages of the utility model：This kind of utility model reasonable design, it is easy to use, it is highly suitable for potassium hydroxide
In the process of work production：
1) by being respectively provided with ventilation pipe above and below potash reative cell, potash reaction can more fully be collected
Gas in device, according to the heavier physical characteristic of chlorine relative molecular mass, general chlorine can sink down into the lower part in space, by
Aspirating air pipe close to bottom collects centralized processing；
2) by by the chlorine of collection be passed directly into can in the substance of chlorine reaction, absorption that can be more efficiently and solid
Determine chlorine, by three reabsorption chlorine of activated carbon, ammonia alkali solution and sodium thiosulfate, dechlorination is more thorough.
Description of the drawings：
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the utility model dechlorination tank internal structure schematic diagram.
In figure：1st, potash reative cell；2nd, work base；3rd, aspirating air pipe；4th, air pump；5th, alarm device；6th, sealing shroud；7、
Waste gas collection box；8th, filter layer；9th, appendix；10th, subsidiary conduit；11st, Ventilating door；12nd, dechlorinate tank；13rd, maintenance door；14th, it is weak
Alkali pond；15th, active sketching charcoal；16th, intake valve；17th, dechlorinate room.
Specific embodiment：
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1, 2, a kind of device for recovering tail gas of potassium hydroxide production, including the tank 12 that dechlorinates, dechlorinate tank 12
Side is fixedly connected with air pump 4 by appendix 9, and one end of air pump 4 is fixedly connected with aspirating air pipe 3, the side of aspirating air pipe 3
Equipped with potash reative cell 1, the outer wall of potash reative cell 1 is fixed with alarm device 5, and the top of dechlorination tank 12 is connected with intake valve
16, the bottom end of dechlorination tank 12 is fixed with waste gas collection box 7, dechlorinates and is connected between tank 12 and waste gas collection box 7 by subsidiary conduit 10
It connects, the outer wall of dechlorination tank 12 is provided with Ventilating door 11 and maintenance door 13, and the inner wall bottom end of dechlorination tank 12 is connected with weak base pond 14, weak base
The top in pond 14 is connected with dechlorination room 17, and the top of dechlorination room 17 is connected with active sketching charcoal 15, potash reative cell 1 and gas sampling
The bottom of case 7 is fixed with work base 2.
Wherein, filter layer 8 is fixed between subsidiary conduit 10 and waste gas collection box 7, the quantity of subsidiary conduit 10 is two,
It is respectively communicated with above and below dechlorination tank 12,10 categorised collection chlorine of subsidiary conduit and additional air, it is ensured that the whole of exhaust gas
Collection is handled, and prevents chlorine from leaking.
Wherein, it is connected between air pump 4 and appendix 9 by sealing shroud 6, one end connection aspirating air pipe 3 of air pump 4 is another
Connecting gas transmission pipe 9 is held, air pump 4 can accelerate the absorption of tail gas, and sealing shroud 6 ensures the closed No leakage of fortune process.
Wherein, dechlorination room 17 is located at one end of appendix 9, and dechlorination room 17 is by sodium thiosulfate material composition, and dechlorinate room 17
The main effect for absorbing chlorine is undertaken, more chlorine molecule can be fixed.
Wherein, by ammonia alkali material composition, weak base pond 14 is located at the lower section of appendix 9 in weak base pond 14, and the auxiliary of weak base pond 14 is inhaled
Chlorine is received, to share the recycling of chlorine.
Wherein, intake valve 16 connects the top of potash reative cell 1, and aspirating air pipe 3 connects the lower section of potash reative cell 1, into
Air valve 16, which is collected, to be squeezed by chlorine to the air of top of space, and extraction duct 3, which is concentrated, absorbs chlorine.
It should be noted that the utility model is a kind of device for recovering tail gas of potassium hydroxide production, during use first
Check the air-tightness of entire retracting device, air-tightness ensure it is intact after come into operation, the chlorine that potash reative cell 1 generates is by gravity
Effect is sunk, and is absorbed into dechlorination tank 12 from air pump 4 with aspirating air pipe 3, other exhaust gas risen are squeezed by being located at by chlorine
The pipeline of 1 top of potash reative cell enters intake valve 16, and treated, and gas is passed through gas sampling finally by subsidiary conduit 10
In case 7.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of device for recovering tail gas of potassium hydroxide production, including dechlorination tank (12), it is characterised in that：The dechlorination tank
(12) side is fixedly connected with air pump (4) by appendix (9), and one end of the air pump (4) is fixedly connected with aspirating air pipe
(3), the side of the aspirating air pipe (3) is equipped with potash reative cell (1), and the outer wall of the potash reative cell (1) is fixed with alarm
Device (5), the top of the dechlorination tank (12) are connected with intake valve (16), and the bottom end of the dechlorination tank (12) is fixed with exhaust gas receipts
Header (7) is connect between the dechlorination tank (12) and waste gas collection box (7) by subsidiary conduit (10), the dechlorination tank (12)
Outer wall be provided with Ventilating door (11) and maintenance door (13), the inner wall bottom end of the dechlorination tank (12) is connected with weak base pond (14), institute
It states and dechlorination room (17) is connected with above weak base pond (14), active sketching charcoal (15), institute are connected with above dechlorination room (17)
The bottom for stating potash reative cell (1) and waste gas collection box (7) is fixed with work base (2).
A kind of 2. device for recovering tail gas of potassium hydroxide production according to claim 1, which is characterized in that the auxiliary
Filter layer (8) is fixed between pipeline (10) and waste gas collection box (7), the quantity of the subsidiary conduit (10) is two, respectively
Above and below connection dechlorination tank (12).
A kind of 3. device for recovering tail gas of potassium hydroxide production according to claim 1, which is characterized in that the air pump
(4) it is connected between appendix (9) by sealing shroud (6), one end connection aspirating air pipe (3) of the air pump (4), the other end connects
Connect appendix (9).
A kind of 4. device for recovering tail gas of potassium hydroxide production according to claim 1, which is characterized in that the dechlorination
Room (17) is positioned at one end of appendix (9).
A kind of 5. device for recovering tail gas of potassium hydroxide production according to claim 1, which is characterized in that the weak base
Pond (14) is by ammonia alkali material composition, and the weak base pond (14) is positioned at the lower section of appendix (9).
A kind of 6. device for recovering tail gas of potassium hydroxide production according to claim 1, which is characterized in that the air inlet
The top of valve (16) connection potash reative cell (1), the lower section of aspirating air pipe (3) the connection potash reative cell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427917.3U CN207546177U (en) | 2018-03-28 | 2018-03-28 | Tail gas recovery device for potassium hydroxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820427917.3U CN207546177U (en) | 2018-03-28 | 2018-03-28 | Tail gas recovery device for potassium hydroxide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207546177U true CN207546177U (en) | 2018-06-29 |
Family
ID=62660956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820427917.3U Active CN207546177U (en) | 2018-03-28 | 2018-03-28 | Tail gas recovery device for potassium hydroxide production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207546177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289484B (en) * | 2018-11-02 | 2021-06-29 | 辽宁新瑞碳材料科技有限公司 | Recycling system for chlorine and nitrogen containing tail gas of high-temperature furnace |
| CN117101359A (en) * | 2023-10-23 | 2023-11-24 | 山东大易化工有限公司 | Tail gas recovery device for organosilicon production |
-
2018
- 2018-03-28 CN CN201820427917.3U patent/CN207546177U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289484B (en) * | 2018-11-02 | 2021-06-29 | 辽宁新瑞碳材料科技有限公司 | Recycling system for chlorine and nitrogen containing tail gas of high-temperature furnace |
| CN117101359A (en) * | 2023-10-23 | 2023-11-24 | 山东大易化工有限公司 | Tail gas recovery device for organosilicon production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 750336 Ruilian Avenue, Alxa Economic Development Zone, Alxa League, Inner Mongolia Autonomous Region Patentee after: Inner Mongolia Ruida Taifeng Chemical Co., Ltd. Address before: 750336 Ruilian Avenue, Alashan Economic Development Zone, Hohhot City, Inner Mongolia Autonomous Region Patentee before: Inner Mongolia Ruida Taifeng Chemical Co., Ltd. |