CN214862376U - Ammonia gas recovery system - Google Patents
Ammonia gas recovery system Download PDFInfo
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- CN214862376U CN214862376U CN202023347730.9U CN202023347730U CN214862376U CN 214862376 U CN214862376 U CN 214862376U CN 202023347730 U CN202023347730 U CN 202023347730U CN 214862376 U CN214862376 U CN 214862376U
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000011084 recovery Methods 0.000 title claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 163
- 238000010521 absorption reaction Methods 0.000 claims abstract description 126
- 238000005406 washing Methods 0.000 claims abstract description 42
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 26
- 238000009423 ventilation Methods 0.000 claims abstract description 3
- 238000004821 distillation Methods 0.000 claims description 18
- 238000004064 recycling Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims 5
- 239000000126 substance Substances 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 6
- 239000007921 spray Substances 0.000 description 19
- 210000002151 serous membrane Anatomy 0.000 description 14
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 238000005507 spraying Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229920002313 fluoropolymer Polymers 0.000 description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 description 6
- 239000012452 mother liquor Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 4
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 3
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 3
- 235000011130 ammonium sulphate Nutrition 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to a chemical industry equipment field discloses an ammonia recovery system, include: the absorption tower set comprises a first air inlet, a first exhaust port, a first liquid inlet and a first liquid outlet, and the first air inlet is communicated with a first ammonia gas ventilation pipeline; the washing tower is communicated with the first exhaust port and comprises a second air inlet, a second exhaust port, a second liquid inlet and a second liquid outlet, the second air inlet is communicated with the first exhaust port, the second exhaust port is communicated with the inside and the outside environment of the washing tower, and the second liquid inlet is communicated with a washing liquid supply pipeline; and the recovery device is used for treating the liquid discharged by the absorption tower set and the washing tower and providing absorption liquid for the absorption tower set. The system solves the problems of low absorption rate, low speed and more generated wastewater of the existing recovery device.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, in particular to ammonia recovery system.
Background
In the production process of using liquid ammonia in the chemical industry, because of the volatility of ammonia, a large amount of gaseous ammonia is discharged into the air through an equipment emptying pipeline, so that serious environmental pollution is caused, and meanwhile, the strong pungent smell of ammonia can cause discomfort of production workers. In order to solve the problem, the ammonia to be recovered is generally recovered by adopting a single-cycle water spraying absorption mode, namely, the ammonia to be recovered is introduced into the bottom of a spray tower and then flows from bottom to top through a distributor, clear water enters from the top of the spray tower and flows to a filler through the distributor, the clear water flows from the top to the bottom of the spray tower, and dilute ammonia water is obtained at the bottom of the spray tower. However, this absorption method has the following disadvantages: the absorption efficiency is low, and the absorption effect of only 30 percent of the total amount can be achieved; nearly 70 percent of unabsorbed ammonia enters the atmosphere, and the environment is seriously polluted; the water consumption is large, the content of the obtained diluted ammonia water is low, and the high-content ammonia water can be obtained only by secondary absorption.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an ammonia recovery system for it is low to have solved the absorption rate of ammonia recovery in the prior art, and speed is slow, produces the more problem of waste water.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an ammonia recovery system comprising:
the absorption tower set comprises a first air inlet, a first exhaust port, a first liquid inlet and a first liquid exhaust port, and the first air inlet is communicated with a first ammonia gas ventilation pipeline;
the washing tower is communicated with the first exhaust port and comprises a second air inlet, a second exhaust port, a second liquid inlet and a second liquid outlet, the second air inlet is communicated with the first exhaust port, the second exhaust port is communicated with the inside and the outside environment of the washing tower, and the second liquid inlet is communicated with a washing liquid supply pipeline;
the recycling device is provided with a third liquid inlet and a third liquid outlet, the third liquid inlet is communicated with the first liquid discharge port and the second liquid discharge port, the third liquid outlet is communicated with the first liquid inlet, and the recycling device is used for processing the absorption tower set and the liquid discharged by the washing tower and providing absorption liquid for the absorption tower set.
In the ammonia gas recovery system, ammonia gas to be recovered enters the absorption tower set from a first air inlet of the absorption tower set through a first ammonia gas vent pipeline for primary recovery, and finally, residual ammonia gas to be recovered is discharged out of the absorption tower set through a first air outlet; the ammonia gas discharged from the absorption tower set and to be recovered enters the washing tower through a second air inlet, the washing liquid is pumped into the washing tower from the washing liquid supply pipeline through a second liquid inlet for ammonia gas recovery, and the gas washed by the washing tower is discharged to the external environment through a second air outlet; and liquid discharged from the first liquid outlet of the absorption tower group and the second liquid outlet of the washing tower enters the recovery device from the third liquid inlet, is treated by the recovery device to obtain absorption liquid of the absorption tower group, and enters the absorption tower group through the first liquid inlet for cyclic utilization. Therefore, the ammonia recovery system solves the problems of low absorption rate, low speed and more generated wastewater of the existing recovery device. Is particularly suitable for the recovery of ammonia in the chemical industry.
Optionally, the absorption tower group comprises a plurality of stages of absorption towers, and each stage of absorption tower comprises an air inlet, an air outlet, a liquid inlet and a liquid outlet; along the gas conveying direction, the gas outlet of the front stage absorption tower is communicated with the gas inlet of the rear stage absorption tower; the first air inlet is formed by the air inlet of the first-stage absorption tower, and the first air outlet is formed by the air outlet of the last-stage absorption tower; the liquid inlet of each stage of absorption tower is communicated with the first liquid inlet; and the liquid discharge ports of the absorption towers of each stage are communicated to form the first liquid discharge port.
Optionally, each stage of the absorption tower further comprises a first circulating liquid outlet, and the first circulating liquid outlet is communicated with the liquid inlet of the absorption tower.
Optionally, the washing tower further comprises a second circulating liquid outlet, and the second circulating liquid outlet is communicated with the second liquid inlet.
Optionally, the recovery device comprises a distillation concentrating still communicated with the third liquid inlet.
Optionally, the distillation concentration still includes a third vent;
the recovery unit further comprises a condenser communicated with the third exhaust port, and the condenser is communicated with the third liquid outlet.
Optionally, the recycling device further includes a first storage tank, the first storage tank is communicated with the condenser, and the first storage tank has the third liquid outlet.
Optionally, the distillation concentration still further comprises a fourth liquid outlet;
the recovery device further comprises a centrifuge communicated with the fourth liquid outlet.
Optionally, the centrifuge comprises a fifth liquid outlet;
the recycling device further comprises a second storage tank, and the second storage tank is communicated with the fifth liquid outlet.
Optionally, the second reservoir is in communication with the third inlet.
Drawings
Fig. 1 is a schematic structural diagram of an ammonia gas recovery system provided by an embodiment of the present invention.
Icon: 1-a first ammonia vent line; 11-a draught fan; 2-absorption tower group; 2 a-a first inlet port; 2 b-a first exhaust port; 2 c-a first liquid inlet; 2 d-a first drain; 21-first stage serous membrane absorption tower; 22-a secondary serous membrane absorption tower; 23-third stage serous membrane absorption tower 23; 24-a centrifugal pump; 25-a second ammonia vent conduit; 26-a third ammonia vent line; 27-a fourth ammonia vent line; 28-a first circulating liquid outlet; 3-a washing tower; 3 a-a second inlet port; 3 b-a second vent; 3 c-a second liquid inlet; 3 d-a second drain outlet; 31-fluoroplastic centrifugal pumps; 32-a second circulating liquid outlet; 4-a recovery unit; 4 a-a third liquid inlet; 4 b-a third liquid outlet; 41-distillation concentration kettle; 42-a condenser; 43-a first reservoir; 44-a centrifuge; 45-second reservoir.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the embodiment of the utility model provides an ammonia recovery system, include:
the absorption tower set 2 comprises a first air inlet 2a, a first exhaust port 2b, a first liquid inlet 2c and a first exhaust port 2d, wherein the first air inlet 2a is communicated with the first ammonia gas vent pipeline 1;
the washing tower 3 is communicated with the first exhaust port 2b, the washing tower 3 comprises a second air inlet 3a, a second exhaust port, a second liquid inlet 3c and a second liquid outlet 3d, the second air inlet 3a is communicated with the first exhaust port 2b, the second exhaust port is communicated with the inside and the outside environment of the washing tower 3, and the second liquid inlet 3c is communicated with a washing liquid supply pipeline;
the recycling device 4 is provided with a third liquid inlet 4a and a third liquid outlet 4b, the third liquid inlet 4a is communicated with the first liquid outlet 2d and the second liquid outlet 3d, the third liquid outlet 4b is communicated with the first liquid inlet 2c, and the recycling device 4 is used for treating liquid discharged by the absorption tower set 2 and the washing tower 3 and providing absorption liquid for the absorption tower set 2.
In the ammonia gas recovery system, ammonia gas to be recovered enters the absorption tower set 2 from a first air inlet 2a of the absorption tower set 2 through a first ammonia gas vent pipeline 1 for primary recovery, and finally, residual ammonia gas to be recovered is discharged out of the absorption tower set 2 through a first exhaust port 2 b; the residual ammonia gas discharged from the absorption tower set 2 and to be recovered enters the washing tower 3 through a second air inlet, the washing liquid is pumped into the washing tower 3 from the washing liquid supply pipeline through a second liquid inlet 3c for ammonia gas recovery, and the gas washed by the washing tower 3 is discharged to the external environment through a second air outlet; the liquid discharged from the first liquid outlet 2d of the absorption tower set 2 and the second liquid outlet 3d of the washing tower 3 enters the recovery device 4 from the third liquid inlet 4a, and then is treated by the recovery device 4 to obtain the absorption liquid of the absorption tower set 2, and the absorption liquid enters the absorption tower set 2 through the first liquid inlet 2c for recycling. Therefore, the ammonia recovery system solves the problems of low absorption rate, low speed and more generated wastewater of the existing recovery device 4. Is particularly suitable for the recovery of ammonia in the chemical industry.
In a possible implementation mode, ammonia gas to be recovered is introduced into the absorption tower set 2 through the induced draft fan 11 for spray recovery, and finally, residual ammonia gas to be recovered is introduced into the washing tower 3 through the induced draft fan 11 and is pumped into washing liquid dilute sulfuric acid in the washing tower 3 through the fluoroplastic centrifugal pump 31 for neutralization recovery. And pumping the liquid discharged from the absorption tower set 2 into a recovery device 4 through a fluoroplastic centrifugal pump 31 for treatment, wherein part of the liquid obtained after the treatment by the recovery device 4 is used as the absorption liquid of the absorption tower set 2, and the absorption liquid is introduced into the absorption tower set 2 through a spray centrifugal pump 24 for recycling.
Optionally, the absorption tower group 2 comprises multiple stages of absorption towers, and each stage of absorption tower comprises an air inlet, an air outlet, a liquid inlet and a liquid outlet; along the gas conveying direction, the gas outlet of the front stage absorption tower is communicated with the gas inlet of the rear stage absorption tower; the gas inlet of the first-stage absorption tower forms a first gas inlet 2a, and the gas outlet of the last-stage absorption tower forms a first gas outlet 2 b; the liquid inlet of each stage of absorption tower is communicated to form a first liquid inlet 2 c; the liquid discharge ports of the absorption towers of each stage are communicated to form a first liquid discharge port 2 d.
In a possible implementation manner, the absorption tower group 2 comprises three stages of absorption towers, and all the absorption towers are slurry film absorption towers. The top of each stage of absorption tower is provided with an air inlet, the middle upper part is provided with a liquid inlet, the middle lower part is provided with an air outlet, the bottom of the tower kettle is provided with a liquid outlet and a circulating liquid outlet, and the circulating liquid outlet is communicated with the liquid inlet through a pipeline and a spray centrifugal pump 24. As shown in fig. 1, in the primary serous membrane absorption tower 21, an air inlet is connected with a first ammonia gas vent pipeline 1, a pipeline of an liquid inlet is connected with a spray centrifugal pump 24, the spray centrifugal pump 24 pumps absorption liquid into the middle upper part of the primary serous membrane absorption tower 21, and an air outlet is connected with an air inlet of a secondary serous membrane absorption tower 22 through a second ammonia gas vent pipeline 25; in the second-stage serous membrane absorption tower 22, a pipeline of the liquid inlet is connected with a spraying centrifugal pump 24, the spraying centrifugal pump 24 pumps absorption liquid into the middle upper part of the second-stage serous membrane absorption tower 22, and an exhaust port is connected with a gas inlet of a third-stage serous membrane absorption tower 23 through a third ammonia gas vent pipeline 26; in the third-stage serosa absorption tower 23, a pipeline of the liquid inlet is connected with a spraying centrifugal pump 24, the spraying centrifugal pump 24 pumps absorption liquid into the middle upper part of the third-stage serosa absorption tower 23, and the gas outlet is connected with a second gas inlet 3a of the washing tower 3 through a fourth ammonia gas vent pipeline 27. The recovery system leads ammonia gas to be recovered into a primary serous membrane absorption tower 21 through a draught fan 11, and carries out primary spray recovery through a spray centrifugal pump 24; the residual ammonia gas to be recovered enters a secondary serous membrane absorption tower 22 through an air guide pipeline and is subjected to secondary spray recovery through a spray centrifugal pump 24; the residual ammonia gas to be recovered enters a third-stage serous membrane absorption tower 23 through an air guide pipeline and is subjected to third spray recovery through a spray centrifugal pump 24; and finally, introducing the residual ammonia gas to be recovered into a washing tower 3 through an induced draft fan 11, and neutralizing and recovering dilute sulfuric acid injected by a fluoroplastic centrifugal pump 31. Then the feed liquid in the first-stage serosa absorption tower 21, the second-stage serosa absorption tower 22, the third-stage serosa absorption tower 23 and the washing tower 3 is combined through a drain pipe and pumped into the recovery device 4 through a fluoroplastic centrifugal pump 31.
In order to improve the absorption efficiency, each stage of absorption tower further comprises a first circulating liquid outlet 28, and the first circulating liquid outlet 28 is communicated with the liquid inlet of the absorption tower. And the liquid absorbing the ammonia gas in the absorption tower enters the liquid inlet again, and contacts with the ammonia gas to be recovered again so as to recover the ammonia gas again.
In order to improve the washing efficiency, the washing tower 3 further comprises a second circulating liquid outlet 32, and the second circulating liquid outlet 32 is communicated with the second liquid inlet 3 c. The liquid neutralized with ammonia gas in the scrubber 3 enters the first liquid inlet 2c again, and is contacted with ammonia gas to be recovered again to recover ammonia gas again.
Alternatively, the recovery device 4 includes a distillation concentration still 41 communicating with the third liquid inlet 4 a. The feed liquid in the first-stage serosa absorption tower 21, the second-stage serosa absorption tower 22, the third-stage serosa absorption tower 23 and the washing tower 3 is merged through a drain pipe and pumped into the distillation concentration kettle 41 through the fluoroplastic centrifugal pump 31, and the ammonia water solution is neutralized into ammonium sulfate solid by dilute sulfuric acid in the distillation concentration kettle 41, the distilled water generated by the distillation concentration kettle 41 enters the first-stage serosa absorption tower 21 through the first-stage serosa absorption tower 21, the second-stage serosa absorption tower 22 and the third-stage serosa absorption tower 23 through liquid inlets of the second-stage serosa absorption tower 22 and the third-stage serosa absorption tower 23 respectively, and is sprayed and absorbed by the second-stage serosa absorption tower 22 and the third-stage serosa absorption tower 23, compared with tap water, the distilled water absorption efficiency is higher, and the speed is higher.
Further, the distillation concentration still 41 includes a third exhaust port; the recovery device 4 further includes a condenser 42 in communication with the third exhaust port, and the condenser 42 is in communication with the third liquid outlet 4 b. The condenser 42 condenses the water vapor generated by the distillation and concentration kettle 41 into liquid, which is convenient for transportation and storage. The water vapor discharged from the third exhaust port of the distillation and concentration still 41 is condensed in the condenser 42 and then enters the absorption tower set 2 through the third liquid outlet 4b and the first liquid inlet 2 c.
Further, the recycling device 4 further includes a first storage tank 43, the first storage tank 43 is communicated with the condenser 42, and the first storage tank 43 has a third liquid outlet 4 b. The first storage tank 43 serves as a distilled water receiving tank, and can store the distilled water condensed by the condenser 42 and play a certain role in buffering in the whole recovery system.
Optionally, the distillation concentration still 41 further comprises a fourth liquid outlet; recovery unit 4 further includes a centrifuge 44 in communication with the fourth liquid outlet. In the ammonia gas recovery system, an ammonia water solution is neutralized into an ammonium sulfate solid with dilute sulfuric acid in a distillation concentration kettle 41, and the solid and liquid are separated by a centrifuge 44.
Optionally, centrifuge 44 includes a fifth liquid outlet; the recycling device 4 further comprises a second storage tank 45, and the second storage tank 45 is communicated with the fifth liquid outlet. The second storage tank 45 serves as a centrifugal mother liquor receiving tank and can store the mother liquor centrifuged by the centrifuge 44.
Optionally, the second reservoir 45 communicates with the third inlet 4 a. The centrifugal mother liquor can be mechanically used in the spraying step through the spraying centrifugal pump 24, so that the cyclic utilization of the mother liquor is realized.
Therefore, the ammonia gas recovery system adopts liquid recycling at multiple positions, improves the absorption efficiency, improves the absorption speed, changes waste into valuable, and reduces the output of waste water.
It should be noted that the piping involved in the ammonia gas recovery system is also provided with a control valve and other instrumentation, and the specific arrangement is not particularly limited herein.
The ammonia recovery system provided by the embodiment of the utility model leads the ammonia to be recovered into the primary serous membrane absorption tower 21 through the draught fan 11, and carries out the first spraying recovery through the spraying centrifugal pump 24; the residual ammonia gas to be recovered enters a secondary serous membrane absorption tower 22 through an air guide pipeline and is subjected to secondary spray recovery through a spray centrifugal pump 24; the residual ammonia gas to be recovered enters a third-stage slurry film absorption tower 2323 through an air guide pipeline and is subjected to third spray recovery through a spray centrifugal pump 24; and finally, introducing the residual ammonia gas to be recovered into a washing tower 3 through an induced draft fan 11, and neutralizing and recovering dilute sulfuric acid injected by a fluoroplastic centrifugal pump 31. Then the feed liquid in the first-stage serosa absorption tower 21, the second-stage serosa absorption tower 22, the third-stage serosa absorption tower 23 and the washing tower 3 is combined through a drain pipe and pumped into a distillation concentration kettle 41 through a fluoroplastic centrifugal pump 31, the ammonia water solution is neutralized into ammonium sulfate solid in the distillation concentration kettle 41 by using dilute sulfuric acid, the solid and the liquid are separated through a centrifugal machine 44, and the centrifugal mother liquor is mechanically applied in the spraying step through a spraying centrifugal pump 24. The embodiment of the utility model provides an ammonia recovery system has solved the 4 absorption rates of current recovery unit and has hanged down, the speed is slow, produce the more problem of waste water. Is particularly suitable for the recovery of ammonia in the chemical industry.
It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. An ammonia recovery system, comprising:
the absorption tower set comprises a first air inlet, a first exhaust port, a first liquid inlet and a first liquid exhaust port, and the first air inlet is communicated with a first ammonia gas ventilation pipeline;
the washing tower is communicated with the first exhaust port and comprises a second air inlet, a second exhaust port, a second liquid inlet and a second liquid outlet, the second air inlet is communicated with the first exhaust port, the second exhaust port is communicated with the inside and the outside environment of the washing tower, and the second liquid inlet is communicated with a washing liquid supply pipeline;
the recycling device is provided with a third liquid inlet and a third liquid outlet, the third liquid inlet is communicated with the first liquid discharge port and the second liquid discharge port, the third liquid outlet is communicated with the first liquid inlet, and the recycling device is used for processing the absorption tower set and the liquid discharged by the washing tower and providing absorption liquid for the absorption tower set.
2. The ammonia gas recovery system of claim 1 wherein the absorber tower bank comprises multiple stages of absorber towers, and each stage of absorber tower comprises a gas inlet, a gas outlet, a liquid inlet and a liquid outlet; along the gas conveying direction, the gas outlet of the front stage absorption tower is communicated with the gas inlet of the rear stage absorption tower; the first air inlet is formed by the air inlet of the first-stage absorption tower, and the first air outlet is formed by the air outlet of the last-stage absorption tower; the liquid inlet of each stage of absorption tower is communicated with the first liquid inlet; and the liquid discharge ports of the absorption towers of each stage are communicated to form the first liquid discharge port.
3. The ammonia gas recovery system of claim 2 wherein each stage of the absorber further comprises a first recycle liquid outlet in communication with the liquid inlet of the absorber.
4. The ammonia gas recovery system of claim 1 wherein the scrubber further comprises a second circulating liquid outlet in communication with the second liquid inlet.
5. An ammonia gas recovery system as defined in claim 1 wherein the recovery device includes a distillation concentrator still in communication with the third liquid inlet.
6. An ammonia gas recovery system as defined in claim 5 wherein the distillation concentrator vessel includes a third vent;
the recovery unit further comprises a condenser communicated with the third exhaust port, and the condenser is communicated with the third liquid outlet.
7. The ammonia gas recovery system of claim 6 wherein the recovery device further comprises a first storage tank in communication with the condenser, the first storage tank having the third liquid outlet.
8. The ammonia gas recovery system of claim 5 wherein the distillation concentrator still further comprises a fourth liquid outlet;
the recovery device further comprises a centrifuge communicated with the fourth liquid outlet.
9. The ammonia recovery system of claim 8 wherein the centrifuge comprises a fifth liquid outlet;
the recycling device further comprises a second storage tank, and the second storage tank is communicated with the fifth liquid outlet.
10. The ammonia gas recovery system of claim 9 wherein the second storage tank is in communication with the third liquid inlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347730.9U CN214862376U (en) | 2020-12-31 | 2020-12-31 | Ammonia gas recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347730.9U CN214862376U (en) | 2020-12-31 | 2020-12-31 | Ammonia gas recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588753A (en) * | 2022-03-31 | 2022-06-07 | 中化(浙江)膜产业发展有限公司 | Device and method for treating ammonia-containing waste gas of fly ash washing system |
| CN118179237A (en) * | 2024-02-26 | 2024-06-14 | 宁波海靖环保科技有限公司 | Method and equipment for treating ammonia-containing waste gas |
-
2020
- 2020-12-31 CN CN202023347730.9U patent/CN214862376U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114588753A (en) * | 2022-03-31 | 2022-06-07 | 中化(浙江)膜产业发展有限公司 | Device and method for treating ammonia-containing waste gas of fly ash washing system |
| CN118179237A (en) * | 2024-02-26 | 2024-06-14 | 宁波海靖环保科技有限公司 | Method and equipment for treating ammonia-containing waste gas |
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Effective date of registration: 20231108 Address after: 236000 intersection of Yingyang road and Chuangye Road, Taihe Economic Development Zone, Fuyang City, Anhui Province Patentee after: Fuyang xinyihua Pharmaceutical Technology Co.,Ltd. Address before: 236000 intersection of Yingyang road and Chuangye Road, Taihe Economic Development Zone, Fuyang City, Anhui Province Patentee before: Fuyang xinyihua Pharmaceutical Technology Co.,Ltd. Patentee before: FUYANG SINEVA MATERIAL TECHNOLOGY Co.,Ltd. Patentee before: Beijing xinyihua Material Technology Co.,Ltd. |
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