CN214051107U - High-efficient ammonia-containing tail gas absorbing device - Google Patents
High-efficient ammonia-containing tail gas absorbing device Download PDFInfo
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- CN214051107U CN214051107U CN202022297583.2U CN202022297583U CN214051107U CN 214051107 U CN214051107 U CN 214051107U CN 202022297583 U CN202022297583 U CN 202022297583U CN 214051107 U CN214051107 U CN 214051107U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a high-efficient ammonia-containing tail gas absorbing device, include: the device comprises an absorption tower, a first reflux pump, a storage tank, a pH on-line tester, a controller, a regulating valve and an acid circulating system; the absorption tower comprises an absorption section positioned at the upper part of the tower body and a liquid storage section positioned at the bottom of the tower body; the inlet end of the first backflow pump is communicated with a liquid outlet of the liquid storage section, and the outlet end of the first backflow pump is communicated with the spray header; the storage tank is communicated with the liquid inlet; the acid circulating system is communicated with the storage tank, and the regulating valve is arranged on a pipeline communicated with the acid circulating system and the storage tank; the PH electrode of the PH on-line tester is positioned in the storage tank, the PH on-line tester is connected with the controller, and the controller is connected with the regulating valve. The utility model discloses high-efficient ammonia tail gas absorbing device adopts acid solution to absorb ammonia tail gas to can realize automatic acidification, safety, high efficiency, convenient.
Description
Technical Field
The utility model relates to a chemical industry equipment field especially relates to a high-efficient ammonia-containing tail gas absorbing device.
Background
Ammonia is an important production raw material in chemical industry production, but the strong pungent smell of ammonia can cause damage and pollution to human health and atmospheric environment, so that in order to avoid air pollution caused by directly discharging a large amount of industrial tail gas containing ammonia gas generated in chemical industry into the atmosphere, a certain method is needed to absorb the ammonia gas in the industrial tail gas.
Traditional ammonia tail gas is through water absorption, but the solubility of ammonia in aquatic is less, and the aqueous ammonia that obtains is volatile, when great to a large amount of ammonia tail gas volume, we can adopt diluted acid to absorb a large amount of ammonia tail gas, improve the absorptive efficiency of tail gas, nevertheless when absorbing the ammonia with the diluted acid tower usually, can form the salt bottom the acid tower, difficult clearance, manual process that adds acid and adjust PH is troublesome moreover, and has certain danger.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a high-efficient ammonia tail gas absorbing device that contains, adopts acid solution to absorb ammonia tail gas to can realize automatic acidification, safety, high efficiency, convenient.
In order to solve the technical problem, the utility model discloses a technical scheme be: the high-efficiency ammonia-containing tail gas absorption device comprises: the device comprises an absorption tower, a first reflux pump, a storage tank, a pH on-line tester, a controller, a regulating valve and an acid circulating system;
the absorption tower comprises an absorption section positioned at the upper part of the tower body and a liquid storage section positioned at the bottom of the tower body, the lower section of the absorption section is provided with an ammonia-containing tail gas inlet, the top of the absorption section is provided with a tail gas outlet, and the side surface of the liquid storage section is provided with a liquid inlet and a liquid outlet;
the inner cavity of the absorption section is provided with a plurality of spray headers;
the inlet end of the first backflow pump is communicated with a liquid outlet of the liquid storage section, and the outlet end of the first backflow pump is communicated with the spray header;
the storage tank is communicated with the liquid inlet;
the acid circulating system is communicated with the storage tank, and the regulating valve is arranged on a pipeline communicated with the acid circulating system and the storage tank;
the PH electrode of the PH on-line tester is positioned in the storage tank, the PH on-line tester is connected with the controller, and the controller is connected with the regulating valve.
In a preferred embodiment of the present invention, the acid circulation system includes a second reflux pump and an acid tank, and the second reflux pump and the acid tank form a circulation system through a pipeline.
In a preferred embodiment of the present invention, the liquid inlet of the liquid storage section is located at a position higher than the liquid outlet of the liquid storage section, and the storage tank is located at a position higher than the liquid outlet of the liquid storage section.
In a preferred embodiment of the present invention, the bottom of the liquid storage section is V-shaped.
In a preferred embodiment of the present invention, a supporting seat is installed at the bottom of the liquid storage section.
In a preferred embodiment of the present invention, a drain outlet is disposed at the bottom of the liquid storage section.
In a preferred embodiment of the present invention, the drain outlet is connected to a drain pipe through a flange, and the drain pipe is connected to a plurality of ball valves.
In a preferred embodiment of the present invention, the absorption tower and the storage tank are made of PP material.
In a preferred embodiment of the present invention, the controller controls the adjusting valve according to the data detected by the PH on-line tester.
In a preferred embodiment of the present invention, the inner cavity of the absorption section is provided with two or more showerheads, and the showerheads are arranged up and down in the inner cavity of the absorption section.
The utility model has the advantages that: the utility model discloses high-efficient ammonia tail gas absorbing device that contains has following advantage:
1. the tail gas containing ammonia is absorbed by adopting the acidic solution, and the device with the same size has larger ammonia absorption amount than water and higher efficiency;
2. the bottom of the absorption tower is of a V-shaped structure, so that the problems that salt is deposited at the bottom of the equipment when ammonia gas is absorbed by acid, the salt is not easy to clean and a pump suction inlet is easy to block are solved;
3. the automatic acid adding device is used, the risk of manual acid adding is avoided, and the method is more efficient and convenient.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the high efficiency ammonia-containing tail gas absorption device of the present invention;
the parts in the drawings are numbered as follows: 1-absorption tower, 11-absorption section, 111-ammonia-containing tail gas inlet, 112-tail gas outlet, 113-spray header, 12-liquid storage section, 121-liquid inlet, 122-liquid outlet, 123-sewage outlet, 13-support base, 14-ball valve, 2-first reflux pump, 3-storage tank, 4-PH online tester, 5-controller, 6-regulating valve, 7-acid circulation system, 71-acid tank and 72-second reflux pump.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, an embodiment of the present invention includes:
the utility model provides a high-efficient ammonia-containing tail gas absorbing device, includes: the device comprises an absorption tower 1, a first reflux pump 2, a storage tank 3, a PH online tester 4, a controller 5, a regulating valve 6 and an acid circulating system 7.
The absorption tower 1 is made of PP materials, and comprises an absorption section 11 positioned on the upper portion of the tower body and a liquid storage section 12 positioned at the bottom of the tower body, wherein the lower section of the absorption section 11 is provided with an ammonia-containing tail gas inlet 111, the top of the absorption section 11 is provided with a tail gas outlet 112, and the inner cavity of the absorption section 11 is provided with a plurality of spray headers 113. A liquid inlet 121 and a liquid outlet 122 are arranged on the side surface of the liquid storage section 12; the bottom of stock solution section 12 is the V type, supporting seat 13 is installed to the bottom of stock solution section 12, the bottom of stock solution section 12 is provided with drain 123. The sewage outlet 123 is connected with a sewage pipeline through a flange, and the sewage pipeline is connected with a plurality of ball valves 14.
The inlet end of the first backflow pump 2 is communicated with a liquid outlet of the liquid storage section through a pipeline, and the outlet end of the first backflow pump 2 is communicated with the spray header 113 through a pipeline. The inner cavity of the absorption section 11 shown in this embodiment is provided with two or more than two spray headers 113, and the spray headers 113 are arranged up and down in the inner cavity of the absorption section 11.
The storage tank 3 is made of PP materials and is connected to the liquid inlet through a pipeline, a ball valve is installed on the pipeline, and when the absorption device works, the ball valve is in a normally open state. To ensure unpowered flow of absorption liquid from the reservoir 3 to the reservoir section 12, the inlet 121 of the reservoir section 12 is located at a higher position than the outlet 122 of the reservoir section 12, and the reservoir 3 is located at a higher position than the outlet 122 of the reservoir section 12.
The acid circulation system 7 comprises an acid tank 71 and a second reflux pump 72, and the second reflux pump 72 and the acid tank 71 form a circulation system through pipelines. A pipe is connected to the outlet of the second reflux pump 72 to the storage tank 3, and the regulating valve is installed on a pipe communicating the acid circulation system and the storage tank.
The PH electrode of the PH on-line tester 4 is inserted into the absorption liquid in the storage tank 3, and the PH value of the absorption liquid in the storage tank 3 is measured in real time. The PH on-line tester 4 is connected with the controller 5, and transmits the real-time measured PH value to the controller 5, the controller 5 is connected with the adjusting valve 6, and the controller 5 controls the adjusting valve 6 according to the data detected by the PH on-line tester 4. In this embodiment, the controller 5 is a small PLC system. The specific control process is to set the PLC system. And the circulating operation of the acid pump is kept, when the PH monitoring data reach neutrality, the regulating valve is automatically opened to add acid to the storage tank, and when the PH monitoring data reach a certain acid value, the regulating valve is closed. The specific pH value is calculated according to the concentration of the dilute acid.
The utility model discloses high-efficient ammonia tail gas absorbing device that contains has following advantage:
1. the tail gas containing ammonia is absorbed by adopting the acidic solution, and the device with the same size has larger ammonia absorption amount than water and higher efficiency;
2. the bottom of the absorption tower is of a V-shaped structure, the bottom of the V-shaped structure is provided with a drain outlet, the drain outlet is connected with a drain pipeline through a flange, and the drain pipeline is connected with a plurality of ball valves, so that the problems that salt is deposited at the bottom of equipment by acid absorption ammonia gas, the salt is not easy to clean and a pump suction inlet is easy to block are solved;
3. the automatic acid adding device is used, the risk of manual acid adding is avoided, and the method is more efficient and convenient.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a high-efficient ammoniac tail gas absorbing device which characterized in that includes: the device comprises an absorption tower, a first reflux pump, a storage tank, a pH on-line tester, a controller, a regulating valve and an acid circulating system;
the absorption tower comprises an absorption section positioned at the upper part of the tower body and a liquid storage section positioned at the bottom of the tower body, the lower section of the absorption section is provided with an ammonia-containing tail gas inlet, the top of the absorption section is provided with a tail gas outlet, and the side surface of the liquid storage section is provided with a liquid inlet and a liquid outlet;
the inner cavity of the absorption section is provided with a plurality of spray headers;
the inlet end of the first backflow pump is communicated with a liquid outlet of the liquid storage section, and the outlet end of the first backflow pump is communicated with the spray header;
the storage tank is communicated with the liquid inlet;
the acid circulating system is communicated with the storage tank, and the regulating valve is arranged on a pipeline communicated with the acid circulating system and the storage tank;
the PH electrode of the PH on-line tester is positioned in the storage tank, the PH on-line tester is connected with the controller, and the controller is connected with the regulating valve.
2. The high-efficiency ammonia-containing tail gas absorption device according to claim 1, wherein the acid circulation system comprises a second reflux pump and an acid tank, and the second reflux pump and the acid tank form a circulation system through a pipeline.
3. The device for absorbing tail gas containing ammonia according to claim 1, wherein the liquid inlet of the liquid storage section is higher than the liquid outlet of the liquid storage section, and the storage tank is higher than the liquid outlet of the liquid storage section.
4. The device for absorbing tail gas containing ammonia with high efficiency according to claim 1, wherein the bottom of the liquid storage section is V-shaped.
5. The device for absorbing tail gas containing ammonia with high efficiency according to claim 4, wherein a supporting seat is installed at the bottom of the liquid storage section.
6. The device for absorbing tail gas containing ammonia with high efficiency according to claim 4, wherein a sewage draining outlet is arranged at the bottom of the liquid storage section.
7. The high-efficiency ammonia-containing tail gas absorption device according to claim 6, wherein the sewage outlet is connected with a sewage pipeline through a flange, and a plurality of ball valves are connected on the sewage pipeline.
8. The device for absorbing tail gas containing ammonia with high efficiency according to claim 1, wherein the absorption tower and the storage tank are made of PP material.
9. The device for absorbing tail gas containing ammonia according to claim 1, wherein the controller controls the regulating valve according to the data detected by the PH on-line tester.
10. The device for absorbing tail gas containing ammonia according to claim 1, wherein the inner cavity of the absorption section is provided with two or more than two spray headers, and the spray headers are arranged up and down in the inner cavity of the absorption section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022297583.2U CN214051107U (en) | 2020-10-15 | 2020-10-15 | High-efficient ammonia-containing tail gas absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022297583.2U CN214051107U (en) | 2020-10-15 | 2020-10-15 | High-efficient ammonia-containing tail gas absorbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214051107U true CN214051107U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022297583.2U Active CN214051107U (en) | 2020-10-15 | 2020-10-15 | High-efficient ammonia-containing tail gas absorbing device |
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| Country | Link |
|---|---|
| CN (1) | CN214051107U (en) |
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2020
- 2020-10-15 CN CN202022297583.2U patent/CN214051107U/en active Active
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Inventor after: Yang Xinyan Inventor before: Yang Xinyan |
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| CB03 | Change of inventor or designer information |