CN214598129U - Ethyl methylamine storage tank tail gas absorption system - Google Patents
Ethyl methylamine storage tank tail gas absorption system Download PDFInfo
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- CN214598129U CN214598129U CN202120622798.9U CN202120622798U CN214598129U CN 214598129 U CN214598129 U CN 214598129U CN 202120622798 U CN202120622798 U CN 202120622798U CN 214598129 U CN214598129 U CN 214598129U
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- storage tank
- ethylmethylamine
- absorption device
- absorbing device
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Abstract
The utility model belongs to the technical field of the chemical industry technique and specifically relates to an ethylmethylamine storage tank tail gas absorption system, including the ethylmethylamine storage tank, one-level water absorbing device, second grade injection absorbing device, circulating pump and running water pipeline, ethylmethylamine storage tank top drain passes through the blow-down pipe and is connected with one-level water absorbing device lower part air inlet, vacuum ejector is installed at second grade injection absorbing device top, vacuum ejector one side gas inlet passes through the pipeline and is connected with one-level water absorbing device top gas outlet, vacuum ejector top liquid inlet passes through the pipeline and is connected with the liquid outlet of circulating pump, the inlet of circulating pump passes through the pipeline and sprays absorbing device's bottom liquid outlet with the second grade and is connected, one-level water absorbing device and second grade injection absorbing device's upper portion all pass through the pipe connection on the running water pipeline. The utility model provides high ammonia recovery efficiency has reduced the harm of ammonia to the surrounding environment in the waste gas, carries out recycle to the ammonia, has practiced thrift the resource.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry technique and specifically relates to an ethyl methyl amine storage tank tail gas absorption system.
Background
In the process of conveying the ethylmethylamine to the ethylmethylamine storage tank, a large amount of ammonia-containing gas is discharged from the ethylmethylamine storage tank, so that serious environmental pollution is caused around the tank; meanwhile, the gas containing ammonia is directly discharged without being utilized, and resources are wasted.
Therefore, it is very necessary to develop an ethylmethylamine tank tail gas absorption system which is beneficial to reducing environmental pollution and saving resources.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: overcomes the defect of low ammonia recovery efficiency in the prior art, converts waste gas into products, reduces the production cost and is beneficial to environmental protection.
The utility model provides a technical problem adopt following technical scheme to realize: the utility model provides an ethylmethylamine storage tank tail gas absorption system which characterized in that: including ethylmethylamine storage tank, one-level water absorbing device, second grade injection absorbing device, circulating pump and running water pipeline, ethylmethylamine storage tank top drain pass through the blow-down pipe with one-level water absorbing device lower part air inlet is connected, the vacuum ejector is installed at second grade injection absorbing device top, vacuum ejector one side gas inlet pass through the pipeline with one-level water absorbing device top gas outlet is connected, vacuum ejector top liquid inlet pass through the pipeline with the liquid outlet of circulating pump is connected, the inlet of circulating pump pass through the pipeline with second grade injection absorbing device's bottom liquid outlet is connected, one-level water absorbing device with second grade injection absorbing device's upper portion all is connected through the pipeline on the running water pipeline.
Furthermore, a vent pipe is arranged in the first-stage water absorption device, and the vent pipe extends out of the air inlet and is connected with the emptying pipe.
Furthermore, air outlets are uniformly distributed on the part of the vent pipe extending into the primary water absorption device.
Further, the top of the secondary injection absorption device is provided with an evacuation port.
Furthermore, a circulating liquid discharge pipeline is connected in parallel to a connecting pipeline of the circulating pump and the vacuum ejector.
Preferably, the part of the vent pipe extending into the primary water absorption device is any one of a spiral shape, a ring shape and an S shape.
The utility model has the advantages that:
the utility model discloses a one-level water absorbing device and second grade spray absorbing device absorb the ammonia in the waste gas that contains ammonia, absorb the ammonia twice, have improved ammonia recovery efficiency, have reduced the harm of ammonia to the surrounding environment in the waste gas, carry out recycle to the ammonia and also reduce the manufacturing cost of enterprise to a certain extent, have practiced thrift the resource; the utility model discloses well venthole that lies in breather pipe week side equipartition among the one-level water absorbing device is favorable to containing the ammonia in the ammonia waste gas bigger with the scope of water contact, dissolves the aquatic better, and the ammonia absorbs more fully.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure: the system comprises a 1-ethylmethylamine storage tank, a 2-first-stage water absorption device, a 3-second-stage injection absorption device, a 4-circulating pump, a 5-vent, a 6-vent pipe, a 7-vacuum ejector, an 8-air inlet, a 9-vent pipe, a 10-tap water pipeline, an 11-vent and a 12-circulating liquid discharge pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example (b):
as shown in figure 1, the utility model particularly discloses an ethylmethylamine storage tank tail gas absorption system, which comprises an ethylmethylamine storage tank 1 and a primary water absorption device 2, absorption device 3 is sprayed to the second grade, circulating pump 4 and water pipeline 10, 1 top drain 5 of ethylmethylamine storage tank is connected with 2 lower part air inlets 8 of one-level water absorption device through blow-down pipe 6, vacuum ejector 7 is installed at 3 tops of second grade injection absorption device, 7 one side gas inlets of vacuum ejector pass through the pipeline and are connected with 2 top gas outlets of one-level water absorption device, 7 top liquid inlets of vacuum ejector pass through the pipeline and are connected with circulating pump 4's liquid outlet, circulating pump 4's inlet passes through the pipeline and is connected with the bottom liquid outlet that absorption device 3 was sprayed to the second grade, one-level water absorption device 2 and the upper portion that absorption device 3 was sprayed to the second grade all pass through the pipe connection on water pipeline 10.
A vent pipe 9 is arranged in the first-stage water absorption device 2, and the vent pipe 9 extends out of the air inlet 8 and is connected with the emptying pipe 6.
The part of the vent pipe 9 extending into the first-stage water absorption device 2 is evenly provided with air outlets.
The top of the second-stage spraying absorption device 3 is provided with a drain port 11.
A circulating liquid discharge pipeline 12 is connected in parallel with a connecting pipeline of the circulating pump 4 and the vacuum ejector 7.
The part of the vent pipe 9 extending into the primary water absorption device 2 is any one of a spiral shape, a ring shape or an S shape.
The utility model discloses the working process:
when the ethylmethylamine is pumped into the ethylmethylamine storage tank 1, a large amount of ammonia-containing gas enters the primary water absorption device 2 through the emptying pipe 6; the circulating pump 4 pumps the circulating liquid to the vacuum ejector 7, high-speed jet flow is generated from a nozzle in the vacuum ejector 7, so that a cavity of the vacuum ejector 7 generates negative pressure, ammonia-containing gas which is not absorbed by the primary water absorption device 2 is sucked into the secondary injection absorption device 3 for re-absorption, and the circulating liquid reaches a certain concentration and is barreled through a circulating liquid discharge pipeline 12.
The utility model has the advantages that:
the utility model discloses a one-level water absorbing device and second grade spray absorbing device absorb the ammonia in the waste gas that contains ammonia, absorb the ammonia twice, have improved ammonia recovery efficiency, have reduced the harm of ammonia to the surrounding environment in the waste gas, carry out recycle to the ammonia and also reduce the manufacturing cost of enterprise to a certain extent, have practiced thrift the resource; the utility model discloses well venthole that lies in breather pipe week side equipartition among the one-level water absorbing device is favorable to containing the ammonia in the ammonia waste gas bigger with the scope of water contact, dissolves the aquatic better, and the ammonia absorbs more fully.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an ethylmethylamine storage tank tail gas absorption system which characterized in that: including ethylmethylamine storage tank (1), one-level water absorption device (2), second grade injection absorption device (3), circulating pump (4) and water pipeline (10), ethylmethylamine storage tank (1) top drain (5) through blow-down pipe (6) with one-level water absorption device (2) lower part air inlet (8) are connected, vacuum ejector (7) are installed at second grade injection absorption device (3) top, vacuum ejector (7) one side gas inlet pass through the pipeline with one-level water absorption device (2) top gas outlet is connected, vacuum ejector (7) top liquid inlet pass through the pipeline with the liquid outlet of circulating pump (4) is connected, the inlet of circulating pump (4) pass through the pipeline with the bottom liquid outlet of second grade injection absorption device (3) is connected, one-level water absorption device (2) with the upper portion of second grade injection absorption device (3) all passes through the pipe connection water pipeline (10) 10) The above.
2. The system for absorbing tail gas of the ethylmethylamine storage tank as claimed in claim 1, wherein a vent pipe (9) is arranged in the primary water absorption device (2), and the vent pipe (9) extends out of the air inlet (8) and is connected with the vent pipe (6).
3. The system for absorbing tail gas of the ethylmethylamine storage tank as claimed in claim 2, wherein the part of the vent pipe (9) extending into the primary water absorption device (2) is provided with air outlets.
4. The system for absorbing tail gas of the ethylmethylamine storage tank as claimed in claim 3, wherein a drain port (11) is arranged at the top of the secondary injection absorption device (3).
5. The system for absorbing tail gas of the ethylmethylamine storage tank as claimed in claim 4, wherein a circulating liquid discharge pipeline (12) is connected in parallel with a connecting pipeline of the circulating pump (4) and the vacuum ejector (7).
6. The methylamine tank tail gas absorption system as claimed in claim 5, wherein the part of the vent pipe (9) extending into the primary water absorption device (2) is any one of spiral, annular or S-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622798.9U CN214598129U (en) | 2021-03-29 | 2021-03-29 | Ethyl methylamine storage tank tail gas absorption system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622798.9U CN214598129U (en) | 2021-03-29 | 2021-03-29 | Ethyl methylamine storage tank tail gas absorption system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214598129U true CN214598129U (en) | 2021-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120622798.9U Active CN214598129U (en) | 2021-03-29 | 2021-03-29 | Ethyl methylamine storage tank tail gas absorption system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214598129U (en) |
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2021
- 2021-03-29 CN CN202120622798.9U patent/CN214598129U/en active Active
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