CN219764929U - Ammonia and ammonia-containing mixed gas absorption device - Google Patents
Ammonia and ammonia-containing mixed gas absorption device Download PDFInfo
- Publication number
- CN219764929U CN219764929U CN202320957158.2U CN202320957158U CN219764929U CN 219764929 U CN219764929 U CN 219764929U CN 202320957158 U CN202320957158 U CN 202320957158U CN 219764929 U CN219764929 U CN 219764929U
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- CN
- China
- Prior art keywords
- ammonia
- absorption
- absorption tank
- ejector
- tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 68
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 abstract description 20
- 238000003860 storage Methods 0.000 abstract description 10
- 238000009776 industrial production Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Gas Separation By Absorption (AREA)
Abstract
The utility model relates to the technical field of gas absorption, in particular to an absorption device for ammonia and ammonia-containing mixed gas. The device comprises an absorption tank, wherein the absorption tank is connected with the upper end of an ejector through a first circulating pipeline, one side of the ejector is connected with an ammonia-containing gas pipeline, and the ejector is connected with the absorption tank through a heat exchanger. The heat exchanger is connected with the absorption tank through a second circulating pipeline. A baffle plate is arranged at the bottom of the absorption tank. The utility model absorbs ammonia in gas phase into liquid by water, is favorable for normal pressure storage or industrial production, uses the ejector to absorb the ammonia-containing gas, has higher spray absorption efficiency and more complete absorption, and can effectively prevent turbulent flow generated by high-speed water flow by arranging the baffle plate in the absorption tank. The utility model repeatedly absorbs the ammonia-containing gas through one loop, thereby saving the consumption of desalted water, simultaneously obtaining ammonia-containing liquid with higher concentration, being capable of being directly used as chemical raw materials for production and saving the production cost.
Description
Technical Field
The utility model relates to the technical field of gas absorption, in particular to an absorption device for ammonia and ammonia-containing mixed gas.
Background
In the production process of urea melting, ammonia and ammonia-containing mixed gas can be generated, if the mixed gas is directly discharged without treatment, the mixed gas can not only harm the environment and human bodies, but also can form corrosion to surrounding equipment, so that safety accidents are caused, the conventional equipment for absorbing ammonia generally has the defect of incomplete absorption, the concentration of the ammonia-containing liquid obtained by absorption is low, and the mixed gas is directly discharged after neutralization, so that the waste of resources is caused.
Therefore, how to recover the ammonia-containing mixed gas and increase the absorption rate and the concentration of the obtained ammonia-containing liquid are the problems to be solved.
Disclosure of Invention
The utility model provides an absorption device for ammonia and ammonia-containing mixed gas, which aims to solve the problem of resource waste caused by incomplete absorption of the ammonia and ammonia-containing mixed gas and direct discharge of absorbed liquid.
In order to solve the problems, the technical scheme of the utility model is as follows:
the utility model relates to an ammonia and ammonia-containing mixed gas absorption device, which comprises an absorption tank, wherein the absorption tank is connected with the upper end of an ejector through a first circulating pipeline, one side of the ejector is connected with an ammonia-containing gas pipeline, and the ejector is connected with the absorption tank through a heat exchanger.
Further, the heat exchanger is connected with the absorption tank through a second circulating pipeline.
Further, a baffle plate is arranged at the bottom of the absorption tank.
The baffle plates can effectively prevent turbulence generated by high-speed water flow.
Further, the absorption tank is provided with a desalted water pipeline.
Further, a circulating pump is arranged on the first circulating pipeline.
The ring pump sends the ammonia-containing liquid in the absorption tank to the ejector again, and the ammonia-containing liquid with higher concentration can be obtained through repeated absorption.
Furthermore, an outer conveying pipeline is arranged on one side of the absorption tank, and an outer conveying pump is arranged on the outer conveying pipeline.
The ammonia-containing liquid with higher concentration is transported to a storage tank for normal pressure storage through an external pipeline and an external pump, or is directly used for industrial production.
Working principle: the desalinated water is pumped into the absorption tank through the desalinated water pipeline, the circulating pump is started, the desalinated water is transported to the upper end of the ejector through the first circulating pipeline, the desalinated water is ejected from top to bottom, the ammonia-containing pipeline is opened, ammonia-containing gas enters from one side of the ejector and fully contacts with the desalinated water for full absorption, the temperature of the absorbed ammonia-containing liquid rises, the ammonia-containing liquid is cooled through the heat exchanger and flows back to the absorption tank through the second circulating pipeline for circulating absorption, the ammonia is completely absorbed, and the absorbed ammonia-containing liquid is transported to the storage tank through the delivery pipeline and the delivery pump for normal pressure storage, or is directly used for industrial production.
The beneficial effects of the utility model are as follows:
(1) The utility model absorbs the ammonia in gas phase into liquid by water, which is beneficial to normal pressure storage or industrial production.
(2) The utility model uses the ejector to absorb the ammonia-containing gas, the spray type absorption efficiency is higher, and the absorption is more complete.
(3) According to the utility model, the absorption tank, the first circulating pipeline, the ejector, the heat exchanger and the absorption tank form a loop, the ammonia-containing gas is repeatedly absorbed, the consumption of desalted water is saved, and meanwhile, ammonia-containing liquid with higher concentration can be obtained, so that the ammonia-containing liquid can be directly used as chemical raw materials for production, and the production cost is saved.
(4) The baffle plate is arranged in the absorption tank, so that turbulent flow generated by high-speed water flow can be effectively prevented.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic structural view of an ammonia and ammonia-containing gas mixture absorber according to the present utility model;
in the figure: 1. an absorption tank; 2. a first circulation line; 3. an ejector; 4. a heat exchanger; 5. a second circulation line; 6. a circulation pump; 7. an outgoing line; 8. an external pump; 9. a baffle plate; 10. an ammonia-containing gas line.
Detailed Description
The utility model will be described in more detail with reference to examples.
In one embodiment, as shown in fig. 1, an ammonia and ammonia-containing mixed gas absorption device comprises an absorption tank 1, wherein the absorption tank 1 is connected with the upper end of an ejector 3 through a first circulating pipeline 2, one side of the ejector 3 is connected with an ammonia-containing gas pipeline 10, and the ejector 3 is connected with the absorption tank 1 through a heat exchanger 4.
It will be appreciated that the heat exchanger 4 is connected to the absorber tank 1 via a second circulation line 5.
It will be appreciated that baffles 9 are provided at the bottom of the canister 1.
The baffle 9 is arranged to effectively prevent turbulence generated by the high-speed water flow.
It will be appreciated that the absorber tank 1 is provided with a desalinated water line.
It will be appreciated that the first circulation line 2 is provided with a circulation pump 6.
The ring pump sends the ammonia-containing liquid in the absorption tank 1 into the ejector 3 again, and the ammonia-containing liquid with higher concentration can be obtained through repeated absorption.
It can be appreciated that an external pipeline 7 is arranged on one side of the absorption tank 1, and an external pump 8 is arranged on the external pipeline 7.
The ammonia-containing liquid with higher concentration is transported to a storage tank for normal pressure storage through an external pipeline 7 and an external pump 8, or is directly used for industrial production.
Working principle: the desalinated water is pumped into the absorption tank 1 through the desalinated water pipeline, the circulating pump 6 is started, the desalinated water is transported to the upper end of the ejector 3 through the first circulating pipeline 2, the desalinated water is sprayed from top to bottom, the ammonia-containing pipeline is opened, ammonia-containing gas enters from one side of the ejector 3 and fully contacts with the desalinated water for full absorption, the temperature of the absorbed ammonia-containing liquid rises, the ammonia-containing liquid is cooled through the heat exchanger 4 and flows back to the absorption tank 1 through the second circulating pipeline 5, the ammonia is completely absorbed in a circulating mode, and the absorbed ammonia-containing liquid is transported to the storage tank through the external conveying pipeline 7 and the external conveying pump 8 for normal pressure storage, or is directly used for industrial production.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides an absorbing device of ammonia and ammonia-containing mixed gas, its characterized in that includes absorption tank (1), absorption tank (1) is connected sprayer (3) upper end through first circulation pipeline (2), and ammonia-containing gas pipeline (10) are connected to sprayer (3) one side, and absorption tank (1) are connected through heat exchanger (4) in sprayer (3).
2. The ammonia and ammonia-containing gas mixture absorption device according to claim 1, wherein the heat exchanger (4) is connected to the absorption tank (1) via a second circulation line (5).
3. The ammonia and ammonia-containing gas mixture absorbing device according to claim 1, characterized in that baffles (9) are provided in the bottom of the absorbing tank (1).
4. The ammonia and ammonia-containing gas mixture absorbing device according to claim 1, wherein the absorbing tank (1) is provided with a desalinated water line.
5. The ammonia and ammonia-containing gas mixture absorbing device according to claim 1, wherein the first circulation line (2) is provided with a circulation pump (6).
6. The ammonia and ammonia-containing mixed gas absorption device according to claim 1, wherein an outgoing pipeline (7) is arranged at one side of the absorption tank (1), and an outgoing pump (8) is arranged on the outgoing pipeline (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957158.2U CN219764929U (en) | 2023-04-20 | 2023-04-20 | Ammonia and ammonia-containing mixed gas absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320957158.2U CN219764929U (en) | 2023-04-20 | 2023-04-20 | Ammonia and ammonia-containing mixed gas absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219764929U true CN219764929U (en) | 2023-09-29 |
Family
ID=88133830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320957158.2U Active CN219764929U (en) | 2023-04-20 | 2023-04-20 | Ammonia and ammonia-containing mixed gas absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219764929U (en) |
-
2023
- 2023-04-20 CN CN202320957158.2U patent/CN219764929U/en active Active
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