CN211886142U - Compound recovery tower of synthetic ammonia unloading gas - Google Patents
Compound recovery tower of synthetic ammonia unloading gas Download PDFInfo
- Publication number
- CN211886142U CN211886142U CN202020455569.8U CN202020455569U CN211886142U CN 211886142 U CN211886142 U CN 211886142U CN 202020455569 U CN202020455569 U CN 202020455569U CN 211886142 U CN211886142 U CN 211886142U
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- recovery
- recovery tank
- pipeline
- drain pipe
- ammonia
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Abstract
A composite recovery tower for discharged synthetic ammonia comprises a first recovery tank, wherein a first water spray head set is arranged on the top surface of a cavity of the first recovery tank, an ammonia pipeline is arranged at the lower part of the first recovery tank, and the ammonia pipeline is connected with the first recovery tank through a first one-way valve; a drain pipe is arranged at the bottom of the first recovery tank, and a differential pressure valve is arranged on the drain pipe; a second recovery tank is arranged at the top of the first recovery tank, and a waste gas recovery pipeline is arranged at the upper part of the second recovery tank; and a secondary recovery drain pipe is arranged on the side edge of the lower part of the second recovery tank. The utility model discloses simple structure, convenient to use, low in cost and easy to maintain. Through simple structure, solved among the prior art ammonia recovery thoroughly, caused extravagant problem. The structure optimization of ammonia recovery is realized, and the ammonia can be fully dissolved in water through the ingenious arrangement of the valve bodies and the pipeline for recycling.
Description
Technical Field
The utility model relates to the field of chemical industry, especially, relate to a compound recovery tower of synthetic ammonia unloading gas.
Background
At present, in the production of synthetic ammonia, because a small amount of methane contained in raw materials does not participate in the synthetic reaction and is gradually accumulated, the system pressure is over high finally, and the energy consumption of the synthetic ammonia production is seriously increased, the existing solution method is to accumulate the methane to a certain degree to the vent gas of the synthetic ammonia, and utilize the characteristic that ammonia is easy to hydrate the synthesis reaction, and recycle the ammonia in the vent gas. However, the ammonia gas is not sufficiently mixed with water, so that the ammonia gas is not completely recovered. In response to this situation, the applicant proposed an application of the recovery tower of the synthesis ammonia vent gas with the application number of cn201820974315.x, which can improve the recovery rate of ammonia gas to a certain extent, but in practice, the applicant found that although ammonia gas can be recovered to a certain extent by the form of a spray water bath, the waste gas generated in the recovery process still has ammonia gas with a not small proportion.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a composite recovery tower of the discharged synthetic ammonia gas, which has simple structure and convenient use. This equipment is participated in research and development by a ray of staff, and the repetition test carries out compound recovery, very big improvement recovery efficiency to synthetic ammonia unloading through pipeline, the valve cooperation twin-chamber of ingenious setting.
The equipment comprises a first recovery tank, wherein a first water spraying head group is arranged on the top surface of a cavity of the first recovery tank, and the first water spraying head group is connected with an external water source to spray water into the tank body; an ammonia pipeline is arranged at the lower part of the first recovery tank body and is connected with the first recovery tank pipeline through a first one-way valve;
the bottom of the first recovery tank is provided with a drain pipe, and the drain pipe is provided with a differential pressure valve.
A second recovery tank is arranged at the top of the first recovery tank, the first recovery tank and the second recovery tank are connected through a connecting pipe pipeline, and a second one-way valve is arranged on the connecting pipe;
a second water spraying head group is arranged on the top surface of the second recovery tank cavity and connected with an external water source to spray water into the tank body; the second recovery tank is internally provided with scattering blades; and a waste gas recovery pipeline is arranged at the upper part of the second recovery tank. The waste gas recovery pipeline is used for connecting waste gas treatment equipment to purify gases such as methane in the waste gas recovery pipeline.
A secondary recovery drain pipe is arranged on the side edge of the lower part of the second recovery tank and is connected with a drain pipe pipeline, and the connection position of the secondary recovery drain pipe is positioned on a pipeline at the rear part of the differential pressure valve; and a third one-way valve is arranged on the secondary recovery drain pipe.
Furthermore, break up the blade and be equipped with two sets ofly, two sets of blades of breaing up are located on the first recovery tank inner chamber lateral wall, and its setting form is the setting of straying.
Furthermore, a fourth one-way valve is arranged on the drain pipe and is arranged on a pipeline at the rear part of the joint of the secondary recovery drain pipe and the drain pipe.
The utility model has the advantages that: the utility model discloses simple structure, convenient to use, low in cost and easy to maintain. Through simple structure, solved among the prior art ammonia recovery thoroughly, caused extravagant problem. The structure optimization of ammonia recovery is realized, and the ammonia can be fully dissolved in water through the ingenious arrangement of the valve bodies and the pipeline for recycling.
Drawings
FIG. 1 is a schematic structural diagram of a combined recovery tower for synthesis ammonia vent gas according to the present invention;
reference numerals:
1-second sprinkler head group 2-scattering blades 3-second one-way valve 4-connecting pipe 5-first sprinkler head group 6-first recovery tank 7-first one-way valve 8-ammonia pipeline 9-differential pressure valve 10-drain pipe 11-fourth one-way valve 12-secondary recovery drain pipe 13-third one-way valve 14-second recovery tank 15-waste gas recovery pipeline
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
Referring to fig. 1, the combined recovery tower for synthesis ammonia vent gas according to the present invention comprises a first recovery tank 6, wherein a first water spray head group 5 is arranged on the top surface of the first recovery tank 6 in the cavity of the first recovery tank, and the first water spray head group 5 is connected with an external water source to spray water into the tank body; an ammonia pipeline 8 is arranged at the lower part of the first recovery tank 6, and the ammonia pipeline 8 is connected with the first recovery tank 6 through a first one-way valve 7;
the bottom of the first recovery tank 6 is provided with a drain pipe 10, and the drain pipe 10 is provided with a differential pressure valve 9.
A second recovery tank 14 is arranged at the top of the first recovery tank 6, the first recovery tank 6 and the second recovery tank 14 are connected through a connecting pipe 4 by a pipeline, and a second one-way valve 3 is arranged on the connecting pipe 4;
a second water spraying head group 1 is arranged on the top surface of the second recovery tank 14 in the cavity, and the second water spraying head group 1 is connected with an external water source to spray water into the tank body; the second recovery tank 14 is internally provided with scattering blades 2; the upper part of the second recovery tank 14 is provided with an exhaust gas recovery pipeline 15. The exhaust gas recovery pipe 15 is used for connecting an exhaust gas treatment device to purify a gas such as methane therein.
A secondary recovery drain pipe 12 is arranged on the side edge of the lower part of the second recovery tank 14, the secondary recovery drain pipe 12 is connected with a drain pipe 10 through a pipeline, and the connection position of the secondary recovery drain pipe 12 is positioned on a pipeline at the rear part of the differential pressure valve 9; and a third one-way valve 13 is arranged on the secondary recovery drain pipe 12.
Further, break up blade 2 and be equipped with two sets ofly, two sets of break up blade 2 and locate on the 6 inner chamber lateral walls of first recovery tank, and its setting form is the setting of straying.
Further, a fourth check valve 11 is arranged on the drain pipe 10, and the fourth check valve 11 is arranged on a pipeline at the rear part of the joint of the secondary recovery drain pipe 12 and the drain pipe 10.
The whole operation of the equipment is as follows: the first water spray head group 5 and the second water spray head group 1 are opened to continuously spray water, the synthesis ammonia vent gas enters the first recovery tank 6 through the ammonia gas pipeline 8, and water in the first recovery tank 6 cannot flow back to the ammonia gas pipeline 8 due to the arrangement of the first one-way valve 7;
due to the arrangement of the differential pressure valve 9, water in the first recovery tank 6 can be continuously discharged through the water discharge pipe 10 after reaching a certain water level, and the synthetic ammonia vent gas in the ammonia gas pipeline 8 can be directly discharged into accumulated water in the pipe body after entering the first recovery tank 6 to form hydrated ammonia, commonly called ammonia water, so that the recovery mode is undoubtedly more thorough; the ammonia water reaches a certain water level and is continuously discharged through the differential pressure valve 9, and the first water spray head group 5 in the first recovery tank 6 continuously replenishes water.
The excessive gas enters the second recovery tank 14 through the connecting pipe 4, and due to the arrangement of the second check valve 3, the excessive gas cannot be left in the first recovery tank 6, or the gas or the liquid in the second recovery tank 14 cannot flow back to the first recovery tank 6. The spraying environment in the second recovery tank 14 further recovers the synthetic ammonia vent gas, and the formed ammonia water is discharged into the drain pipe 10 through the secondary recovery drain pipe 12 to be collected. Due to the arrangement of the third check valve 13, the liquid does not flow back into the second recovery tank 14.
The collected ammonia water is collected through a drain pipe 10 for standby. Due to the arrangement of the fourth check valve 11, the collected ammonia water cannot flow back to the first recovery tank 6.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (3)
1. The utility model provides a compound recovery tower of synthetic ammonia unloading gas, includes first recovery tank, in the first recovery tank cavity, be equipped with first sprinkler head group on its top surface, first recovery tank jar body lower part is equipped with ammonia pipeline, its characterized in that: the ammonia pipeline is connected with the first recovery tank pipeline through a first one-way valve;
a drain pipe is arranged at the bottom of the first recovery tank, and a differential pressure valve is arranged on the drain pipe;
a second recovery tank is arranged at the top of the first recovery tank, the first recovery tank and the second recovery tank are connected through a connecting pipe pipeline, and a second one-way valve is arranged on the connecting pipe;
a second water spraying head group is arranged on the top surface of the second recovery tank in the cavity of the second recovery tank, and scattering blades are arranged in the second recovery tank; a waste gas recovery pipeline is arranged at the upper part of the second recovery tank;
a secondary recovery drain pipe is arranged on the side edge of the lower part of the second recovery tank and is connected with a drain pipe pipeline, and the connection position of the secondary recovery drain pipe is positioned on a pipeline at the rear part of the differential pressure valve; and a third one-way valve is arranged on the secondary recovery drain pipe.
2. The combined recovery tower for synthesis ammonia vent gas according to claim 1, characterized in that the two groups of dispersing blades are arranged on the side wall of the inner cavity of the first recovery tank in a staggered arrangement.
3. The combined recovery tower for synthesis ammonia vent gas according to claim 1, characterized in that a fourth check valve is arranged on the drain pipe, and the fourth check valve is arranged on the pipeline at the rear part of the joint of the secondary recovery drain pipe and the drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020455569.8U CN211886142U (en) | 2020-04-01 | 2020-04-01 | Compound recovery tower of synthetic ammonia unloading gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020455569.8U CN211886142U (en) | 2020-04-01 | 2020-04-01 | Compound recovery tower of synthetic ammonia unloading gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211886142U true CN211886142U (en) | 2020-11-10 |
Family
ID=73273884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020455569.8U Expired - Fee Related CN211886142U (en) | 2020-04-01 | 2020-04-01 | Compound recovery tower of synthetic ammonia unloading gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211886142U (en) |
-
2020
- 2020-04-01 CN CN202020455569.8U patent/CN211886142U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 Termination date: 20210401 |
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| CF01 | Termination of patent right due to non-payment of annual fee |