CN221619024U - Ammonia gas collecting and treating device - Google Patents
Ammonia gas collecting and treating device Download PDFInfo
- Publication number
- CN221619024U CN221619024U CN202421704966.9U CN202421704966U CN221619024U CN 221619024 U CN221619024 U CN 221619024U CN 202421704966 U CN202421704966 U CN 202421704966U CN 221619024 U CN221619024 U CN 221619024U
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- Prior art keywords
- ammonia gas
- tower
- ammonia
- absorption tower
- gas collecting
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 88
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000010521 absorption reaction Methods 0.000 claims abstract description 32
- 238000011282 treatment Methods 0.000 claims abstract description 32
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 20
- 238000001179 sorption measurement Methods 0.000 claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 238000005406 washing Methods 0.000 claims abstract description 14
- 230000018044 dehydration Effects 0.000 claims abstract description 12
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 12
- 239000006260 foam Substances 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims abstract description 7
- 239000007791 liquid phase Substances 0.000 claims abstract description 4
- 239000002918 waste heat Substances 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 230000001172 regenerating effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000002699 waste material Substances 0.000 abstract description 13
- 238000000746 purification Methods 0.000 abstract description 10
- 238000009776 industrial production Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000012958 reprocessing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of ammonia gas treatment, and particularly relates to an ammonia gas collecting and treating device. The device comprises a foam absorption tower, a spray absorption tower, a dehydration defogging tower, a fan, a preheater, plasma equipment, an activated carbon adsorption device and a heat accumulating type thermal oxidation incinerator which are sequentially connected, and further comprises a multistage countercurrent washing tower, a multi-effect evaporator, a screw ammonia compressor and a storage tank which are sequentially connected, wherein liquid phase outlets of the spray absorption tower and the dehydration defogging tower are connected with inlets of the multistage countercurrent washing tower through pipelines. Through optimizing the device combination and the flow design, the high-efficiency purification of ammonia gas, the recycling of waste liquid and the reduction of treatment cost are realized, and a new solution is provided for the treatment of ammonia gas in industrial production.
Description
Technical Field
The utility model belongs to the technical field of ammonia gas treatment, and particularly relates to an ammonia gas collecting and treating device.
Background
Ammonia (NH 3) is an important chemical raw material that is widely used in industrial production, such as fertilizer manufacturing, pharmaceutical, refrigeration, and semiconductor processing industries. However, ammonia has strong pungent odor and toxicity, is flammable and explosive, and if discharged directly into the environment without proper treatment, will cause serious pollution and harm to the atmosphere, water bodies and ecosystems, and threatens human health. Therefore, how to efficiently and safely collect and treat ammonia gas is a problem to be solved in industrial production.
The existing ammonia gas treatment technology mainly comprises an absorption method, an adsorption method, a condensation method, a catalytic oxidation method and the like. Although the absorption method can effectively remove ammonia, the absorption liquid often needs subsequent treatment, so that the treatment cost and complexity are increased; the adsorption rule has the problems of quick saturation of the adsorbent, difficult regeneration and the like; the condensation rule has higher requirements on equipment and higher energy consumption. In addition, it is often difficult to achieve efficient and thorough ammonia treatment, particularly when treating high concentrations and flows of ammonia, using these methods alone. Therefore, the ammonia gas collecting and treating device which can treat ammonia gas efficiently and safely, realize waste liquid recovery and reutilization, reduce cost and is simple and convenient to operate is particularly important.
Disclosure of utility model
According to the defects in the prior art, the utility model aims to provide an ammonia gas collecting and treating device, which realizes the efficient purification of ammonia gas, the recycling of waste liquid and the reduction of treatment cost by optimizing the combination and flow design of the device, and provides a new solution for the treatment of ammonia gas in industrial production.
The utility model is realized by adopting the following technical scheme:
The ammonia gas collecting and treating device comprises a foam absorption tower, a spray absorption tower, a dehydration and defogging tower, a fan, a preheater, plasma equipment, an activated carbon adsorption device and a heat accumulating type thermal oxidation incinerator which are sequentially connected, and further comprises a multistage countercurrent washing tower, a multi-effect evaporator, a screw ammonia gas compressor and a storage tank which are sequentially connected, wherein liquid phase outlets of the spray absorption tower and the dehydration and defogging tower are connected with inlets of the multistage countercurrent washing tower through pipelines. The ammonia gas is subjected to primary absorption and purification treatment through a foam absorption tower, a spray absorption tower and a dehydration defogging tower, and then is conveyed to a preheater through a fan for preheating, and enters plasma equipment for further purification treatment. And then, ammonia gas enters an activated carbon adsorption device, deep purification is performed by utilizing the strong adsorption performance of activated carbon, and finally the ammonia gas enters a regenerative thermal oxidation incinerator for high-temperature incineration treatment, so that emission is ensured to reach the standard. The waste liquid absorbing ammonia in the foam absorption tower and the spray absorption tower is connected with the inlet of the multistage countercurrent washing tower through pipelines, so that the waste liquid is effectively recycled and reused, the recycled waste liquid is subjected to advanced treatment through the multistage countercurrent washing tower, and is compressed by a screw ammonia compressor and stored in a storage tank after being evaporated and concentrated by a multi-effect evaporator for subsequent recycling.
The outlet of the activated carbon adsorption device is provided with an ammonia concentration detector for monitoring the purifying effect in real time.
The outlet of the activated carbon adsorption device is also connected with the spray absorption tower through a secondary treatment pipeline and is used for returning the gas which is not up to standard in monitoring to the spray absorption tower for reprocessing, so that the quality of the discharged gas is ensured.
The outlet of the heat accumulating type thermal oxidation incinerator is connected with the preheater through a waste heat recovery pipeline, waste heat generated by the heat accumulating type thermal oxidation incinerator is led into the preheater through the waste heat recovery pipeline and used for preheating ammonia gas to be treated, and plasma treatment efficiency is improved while the waste heat is recovered.
And a temperature sensor is arranged on a pipeline between the preheater and the plasma equipment and is used for monitoring the gas temperature in real time so as to ensure that the plasma equipment operates at the optimal working temperature.
The preheater is also connected with a steam pipeline for providing an auxiliary heat source, so that stable preheating effect can be maintained when waste heat is insufficient.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the ammonia gas collecting and treating device, through multistage purification treatment, high-efficiency purification treatment of ammonia gas is realized, and standard emission is ensured;
(2) According to the ammonia gas collecting and processing device, the effective recovery and reutilization of resources are realized through the multi-stage countercurrent washing tower, the multi-effect evaporator, the screw ammonia gas compressor and other equipment, and meanwhile, the environmental pollution and the resource waste are reduced;
(3) According to the ammonia gas collecting and treating device, the waste heat generated by the heat accumulating type thermal oxidation incinerator is used for preheating the ammonia gas to be treated, so that the waste heat is recovered, the treatment efficiency of plasma equipment is improved, and the overall energy consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of an ammonia gas collecting and treating device according to the present utility model;
In the figure: 1. a foam absorption tower; 2. a spray absorption tower; 3. a dehydration defogging tower; 4. a blower; 5. a preheater; 6. a plasma device; 7. an activated carbon adsorption device; 8. a regenerative thermal oxidation incinerator; 9. a multistage countercurrent washing tower; 10. a multiple effect evaporator; 11. screw ammonia compressor; 12. a storage tank; 13. an ammonia concentration detector; 14. a secondary treatment pipeline; 15. a waste heat recovery pipeline; 16. a temperature sensor; 17. a steam pipe.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects and technical solutions of the present utility model more apparent.
Example 1
As shown in figure 1, the ammonia gas collecting and treating device comprises a foam absorption tower 1, a spray absorption tower 2, a dehydration and defogging tower 3, a fan 4, a preheater 5, a plasma device 6, an activated carbon adsorption device 7 and a heat accumulating type thermal oxidation incinerator 8 which are sequentially connected, and further comprises a multistage countercurrent washing tower 9, a multi-effect evaporator 10, a screw ammonia compressor 11 and a storage tank 12 which are sequentially connected, wherein liquid phase outlets of the spray absorption tower 2 and the dehydration and defogging tower 3 are connected with inlets of the multistage countercurrent washing tower 9 through pipelines.
The outlet of the activated carbon adsorption device 7 is provided with an ammonia concentration detector 13.
The outlet of the activated carbon adsorption device 7 is also connected with the spray absorption tower 2 through a secondary treatment pipeline 14.
The outlet of the heat accumulating type thermal oxidation incinerator 8 is connected with the preheater 5 through a waste heat recovery pipeline 15.
A temperature sensor 16 is arranged on the pipeline between the preheater 5 and the plasma equipment 6.
The preheater 5 is also connected with a steam pipeline 17.
During working, the specific steps are as follows:
1) Ammonia gas collection and primary treatment:
The ammonia gas is first introduced into the foam absorber 1, and part of pollutants and particulate matters in the ammonia gas are primarily removed through adsorption and chemical reaction of the foam layer.
Then, the ammonia gas enters the spray absorption tower 2, fully contacts with the sprayed absorption liquid in the tower, further absorbs harmful substances in the ammonia gas, and improves the purification efficiency.
The ammonia gas treated by the spray absorption tower 2 contains a certain amount of water and tiny particles, and enters the dehydration and defogging tower 3 for dehydration and defogging treatment, so that the subsequent treatment process is ensured not to be influenced by water vapor and particles.
2) Gas delivery and preheating:
The purified ammonia gas is conveyed to a preheater 5 by a fan 4, and is primarily heated by the preheater 5 so as to raise the temperature of the gas to be suitable for the requirements of subsequent treatment processes.
In the preheating process, the preheater 5 utilizes the waste heat from the regenerative thermal oxidation incinerator 8 to preheat, so that the energy is recycled, and meanwhile, the preheater 5 is also connected with a steam pipeline 17 as an auxiliary heat source, so that the stable preheating effect can be maintained when the waste heat is insufficient.
3) Deep purification treatment:
The preheated ammonia enters plasma equipment 6, and residual pollutants in the ammonia are deeply decomposed and oxidized by utilizing the strong oxidizing property of plasma, so that the purifying effect is further improved.
To ensure that the plasma device 6 is operated at an optimal operating temperature, a temperature sensor 16 is provided in the line between the preheater 5 and the plasma device 6, and the gas temperature is monitored and adjusted in real time.
4) Adsorption and retreatment of activated carbon:
The ammonia gas after plasma treatment enters an activated carbon adsorption device 7, and the trace residues in the ammonia gas are deeply adsorbed and purified by utilizing the strong adsorption performance of the activated carbon, so that the quality of the discharged gas is ensured to reach the standard.
An ammonia concentration detector 13 is arranged at the outlet of the activated carbon adsorption device 7, and the purification effect is monitored in real time. If the detection result shows that the ammonia concentration does not reach the standard, returning the gas which does not reach the standard to the spray absorption tower 2 for reprocessing through the secondary treatment pipeline 14 until the quality of the discharged gas meets the requirement.
5) Waste liquid recovery and reutilization:
The waste liquid absorbing ammonia gas in the foam absorption tower 1 and the spray absorption tower 2 flows into a multi-stage countercurrent washing tower 9 through pipelines for advanced treatment so as to remove pollutants and impurities in the waste liquid.
The waste liquid treated by the multi-stage countercurrent washing tower 9 enters the multi-effect evaporator 10 for evaporation and concentration, so that the volume of the waste liquid is reduced, and the subsequent treatment is facilitated.
The concentrated waste liquid is compressed by a screw ammonia compressor 11 and stored in a storage tank 12 for recycling in the subsequent process, so that the maximum utilization of resources is realized.
6) Final treatment and discharge:
After the series of treatment steps, the harmful substances in the ammonia gas are thoroughly removed, and the emission standard is reached. Finally, the purified ammonia gas enters a heat accumulating type thermal oxidation incinerator 8 for high-temperature incineration treatment, so that the exhaust gas is ensured to be completely harmless.
Waste heat generated in the incineration process is led into the preheater 5 through the waste heat recovery pipeline 15 and is used for preheating ammonia gas to be treated, so that a closed-loop energy utilization system is formed, and the overall energy efficiency is improved.
Claims (6)
1. The utility model provides an ammonia collection processing apparatus, a serial communication port, including foam absorption tower (1), spray absorption tower (2), dehydration defogging tower (3), fan (4), pre-heater (5), plasma equipment (6), active carbon adsorption device (7) and heat accumulation formula thermal oxidation incinerator (8) that connect gradually, still including multistage countercurrent washing tower (9), multiple effect evaporator (10), screw ammonia compressor (11) and storage tank (12) that link to each other in proper order, the liquid phase export of spray absorption tower (2) and dehydration defogging tower (3) all links to each other with the entry of multistage countercurrent washing tower (9) through the pipeline.
2. The ammonia gas collecting and treating device according to claim 1, wherein the outlet of the activated carbon adsorption device (7) is provided with an ammonia gas concentration detector (13).
3. The ammonia gas collecting and treating device according to claim 2, wherein the outlet of the activated carbon adsorbing device (7) is further connected with the spray absorption tower (2) through a secondary treatment pipeline (14).
4. The ammonia gas collecting and treating device according to claim 1, wherein the outlet of the regenerative thermal oxidation incinerator (8) is connected with the preheater (5) through a waste heat recovery pipeline (15).
5. An ammonia gas collecting and treating device according to claim 4, wherein a temperature sensor (16) is arranged on the pipeline between the preheater (5) and the plasma equipment (6).
6. The ammonia gas collecting and treating device according to claim 5, wherein the preheater (5) is further connected with a steam pipe (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421704966.9U CN221619024U (en) | 2024-07-18 | 2024-07-18 | Ammonia gas collecting and treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421704966.9U CN221619024U (en) | 2024-07-18 | 2024-07-18 | Ammonia gas collecting and treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221619024U true CN221619024U (en) | 2024-08-30 |
Family
ID=92489882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421704966.9U Active CN221619024U (en) | 2024-07-18 | 2024-07-18 | Ammonia gas collecting and treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221619024U (en) |
-
2024
- 2024-07-18 CN CN202421704966.9U patent/CN221619024U/en active Active
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