CN209771760U - Ammonia gas recovery device - Google Patents

Ammonia gas recovery device Download PDF

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Publication number
CN209771760U
CN209771760U CN201822068165.9U CN201822068165U CN209771760U CN 209771760 U CN209771760 U CN 209771760U CN 201822068165 U CN201822068165 U CN 201822068165U CN 209771760 U CN209771760 U CN 209771760U
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Prior art keywords
liquid
gas
ammonia
storage tank
liquid storage
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CN201822068165.9U
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Inventor
杨先林
王紫木
任明军
许世军
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SICHUAN MIANZHU CHUANRUN CHEMICAL CO Ltd
SICHUAN HONGDA CO Ltd
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SICHUAN MIANZHU CHUANRUN CHEMICAL CO Ltd
SICHUAN HONGDA CO Ltd
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Abstract

The utility model relates to a gas recovery device, in particular to an ammonia recovery device, belonging to the technical field of gas recovery devices; the device comprises a liquid storage tank, wherein the liquid storage tank is provided with a gas inlet, a gas outlet and at least one absorption liquid pipe orifice, a gas distribution device is arranged in the liquid storage tank, the gas inlet is communicated with the gas distribution device through a pipeline, the gas distribution device comprises a plurality of branch pipes communicated with the pipeline, gas holes are formed in the pipe walls of the branch pipes, the branch pipes are located at the same height, and the branch pipes are communicated with the pipeline to form a cross-shaped structure; the ammonia recovery unit can fully absorb ammonia, solves the problem of ammonia emission, and the ammonia of retrieving is recycled to industrial production in the middle of, further improves the utilization ratio of ammonia.

Description

Ammonia gas recovery device
Technical Field
The utility model relates to a recovery unit of gas, especially an ammonia recovery unit belongs to gas recovery unit technical field.
Background
Ammonia gas is colorless and has strong pungent odor, is lighter than air, has a specific gravity of 0.5, is easily absorbed into the blood through alveolus after being inhaled into the lung, is combined with hemoglobin to destroy the oxygen transport function, and can be used for manufacturing various chemical products.
In the current industrial production, the ammonia gas in the ammonia water tank is directly discharged due to the small volatilization amount, and the discharge of the ammonia gas not only pollutes the environment and influences the human health, but also causes the waste of the ammonia.
Disclosure of Invention
The invention of the utility model aims to: in view of the above-mentioned problems, an apparatus capable of recovering ammonia gas is provided.
The utility model adopts the technical scheme as follows:
The ammonia recovery device comprises a liquid storage tank, wherein the liquid storage tank is provided with a gas inlet, a gas outlet and at least one absorption liquid pipe orifice, a gas distribution device is arranged in the liquid storage tank, and the gas inlet is communicated with the gas distribution device through a pipeline. The absorption liquid passes through the inlet and gets into the liquid storage pot, and after reaching the assigned position, the ammonia got into the liquid storage pot by the air inlet, got into the absorption liquid through gas distribution device, and unabsorbed gas was discharged from the gas vent, and the absorption liquid after absorbing the ammonia is retrieved and is recycled to reduce the emission of ammonia, improved the utilization ratio of ammonia.
the utility model discloses an ammonia recovery unit, gas distribution device includes many branch pipes that communicate in the pipeline, the gas pocket is seted up to the branch pipe wall. The effective area of the gas distribution device is increased by the arrangement of the branch pipes, and the ammonia gas can be fully contacted with the absorption liquid by forming bubbles after passing through the air holes.
Furthermore, the air hole is formed in the pipe wall of the lower portion of the branch pipe. The formed bubbles rise in the absorption liquid for a longer time, and the contact time of the ammonia gas and the absorption liquid is prolonged.
Furthermore, the air holes at the far end of the branch pipe are densely distributed, and the air holes at the near end of the branch pipe are distributed and dispersed. When ammonia gas enters the absorption liquid through the air holes, the air pressure at the two ends of the branch pipe can be kept balanced.
Furthermore, the branch pipes are uniformly distributed on the circumference of the pipeline. The air bubbles in the liquid storage tank are uniformly distributed.
Further, the branch pipes are located at the same height. The air pressure in the branch pipes is kept balanced, and the formed bubbles are initially consistent in height in the absorption liquid.
Further, the branch pipes are communicated with the pipeline to form a cross-shaped structure. The acting area of the branch pipe is large, and the branch pipe keeps better balanced air pressure, so that ammonia gas enters the absorption liquid at a constant speed.
The utility model discloses an ammonia recovery unit, the air inlet is located liquid storage pot upper portion.
Further, the air outlet is positioned at the upper part of the liquid storage tank. The gas can be circulated in the liquid storage tank, and the storage capacity of the absorption liquid in the liquid storage tank can be ensured.
The utility model discloses an ammonia recovery unit, absorption liquid orifice contains inlet and liquid outlet. The absorption liquid in the liquid storage tank can be replaced in time or circularly updated in the working state of the ammonia gas recovery device.
furthermore, the liquid inlet is positioned at the lower part of the liquid storage tank, and the liquid outlet is positioned at the upper part of the liquid storage tank. The concentration of the ammonia-containing absorption liquid in the liquid storage tank is in a stable and low state, and ammonia gas can be fully absorbed after entering the absorption liquid.
Further, the liquid outlet is positioned 300-600mm above the gas distribution device. The liquid pressure in the liquid storage tank and the contact time of the ammonia gas and the absorption liquid are ensured.
Further, the liquid outlet is located 500mm above the gas distribution device. The ammonia bubbles evenly enter the absorption liquid, and after the distance, the ammonia can be fully absorbed and the shape of the bubbles is more regular.
Furthermore, the liquid inlet and the liquid outlet are both positioned at the lower part of the liquid storage tank. The absorption liquid fully absorbs ammonia in the liquid storage tank, and is recovered through the liquid outlet after reaching a certain concentration, so that the absorption liquid is fully utilized.
Furthermore, the liquid inlet and the liquid outlet are the same pipe orifice or different pipe orifices.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
The ammonia recovery unit can fully absorb ammonia, solves the problems of ammonia emission and environmental pollution, and recycles the ammonia to the system production, thereby further improving the utilization rate of the ammonia.
Drawings
FIG. 1 is a schematic view of an ammonia recovery unit;
FIG. 2 is a schematic view of a gas distribution apparatus;
The labels in the figure are: 1-a liquid storage tank, 2-a gas distribution device, 3-a gas inlet, 4-a gas outlet, 5-a liquid outlet, 6-a liquid inlet, 7-a gas hole, 8-a pipeline and 9-a branch pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
Ammonia recovery unit contains liquid storage pot 1, the liquid storage pot is equipped with air inlet 3, gas outlet 4 and at least one absorption liquid mouth of pipe, be equipped with gas distribution device 2 in the liquid storage pot, air inlet 3 passes through pipeline 8 and gas distribution device intercommunication. The absorption liquid passes through the inlet and gets into the liquid storage pot, and after reaching the assigned position, the ammonia got into the liquid storage pot by the air inlet, got into the absorption liquid through the dispersion of gas distribution device, and unabsorbed gas was discharged from the gas vent, and the absorption liquid after absorbing the ammonia is retrieved and is recycled to reduce the emission of ammonia, improved the utilization ratio of ammonia.
In a more specific design, the gas distribution device 2 includes a plurality of branch pipes 9 communicated with the pipeline, and the pipe walls of the branch pipes 9 are provided with gas holes 7. The effective area of the gas distribution device is increased by the arrangement of the branch pipes, and the ammonia gas can be fully contacted with the absorption liquid by forming bubbles after passing through the air holes.
Furthermore, the air hole 7 is formed in the lower pipe wall of the branch pipe. The formed bubbles rise in the absorption liquid for a longer time, so that the contact time of the ammonia gas and the absorption liquid is prolonged, and meanwhile, the air pressure is ensured to avoid liquid backflow.
In another embodiment, the manifold 9 has a dense distribution of distal air holes and a distributed distribution of proximal air holes. When ammonia gas enters the absorption liquid through the air holes, the air pressure at the two ends of the branch pipe can be kept balanced.
In one embodiment, the branch pipes are uniformly distributed on the circumference of the pipeline. The air bubbles in the liquid storage tank are uniformly distributed.
In order to ensure the gas pressure and the gas outlet effect of the whole gas distribution device, the branch pipes 9 are positioned at the same height. The air pressure in the branch pipes is kept balanced, and the formed bubbles are initially consistent in height in the absorption liquid.
In order to improve the structure and promote the structural simplification, the branch pipe 9 is communicated with the pipeline 8 to form a cross-shaped structure. The acting area of the branch pipe is large, and the branch pipe keeps better balanced air pressure, so that ammonia gas enters the absorption liquid at a constant speed.
Specifically, the air inlet and the air outlet are designed, and the air inlet is positioned at the upper part of the liquid storage tank; the air outlet is positioned at the upper part of the liquid storage tank. The gas can be circulated in the liquid storage tank, and the storage capacity of the absorption liquid in the liquid storage tank can be ensured.
Based on the above design of the absorption liquid nozzle, the absorption liquid nozzle comprises a liquid inlet 5 and a liquid outlet 6. The absorption liquid in the liquid storage tank can be replaced in time or circularly updated in the working state of the ammonia gas recovery device.
In one embodiment, the liquid inlet 5 is located at the lower portion of the liquid storage tank, and the liquid outlet 6 is located at the upper portion of the liquid storage tank. The concentration of the ammonia-containing absorption liquid in the liquid storage tank is in a low stability state, and ammonia can be fully absorbed after entering the absorption liquid. In a more specific design, the liquid outlet is located 300-600mm above the gas distribution device. The liquid pressure in the liquid storage tank and the contact time of the ammonia gas and the absorption liquid are ensured. Preferably, the liquid outlet is located 500mm above the gas distribution device. The ammonia bubbles evenly enter the absorption liquid, and after the distance, the ammonia can be fully absorbed and the shape of the bubbles is more regular.
In another embodiment, the liquid inlet and the liquid outlet are located at the lower part of the liquid storage tank. The absorption liquid fully absorbs ammonia in the liquid storage tank, and is recovered through the liquid outlet after reaching a certain concentration, so that the absorption liquid is fully utilized. Based on foretell specific design, in the specific structural design, inlet and liquid outlet are same mouth of pipe or different mouths of pipe.
The following analyses are carried out with specific examples:
Example 1
The ammonia gas recovery device comprises a liquid storage tank 1 as shown in figure 1, wherein the liquid storage tank 1 is provided with an air inlet 3, an air outlet 4 and two absorption liquid pipe orifices; the gas inlet 3 and the gas outlet 4 are both positioned at the upper part of the liquid storage tank 1, and the gas inlet 3 is communicated with any gas distribution device (such as a gas distribution plate) in the prior art which is arranged at the inner lower part of the liquid storage tank 1 through a pipeline 8; the liquid inlet 6 is positioned at the lower part of the liquid storage tank 1, the liquid outlet 5 is positioned at the upper part of the liquid storage tank 1, and the liquid outlet 5 is positioned 300mm above the gas distribution device. Ammonia gas enters the absorption liquid from the gas inlet 3 through the gas distribution device, and gas which is not absorbed is discharged from the gas outlet 4; the absorption liquid 6 enters the liquid storage tank 1 from the liquid inlet, and is discharged from the liquid outlet 5 after absorbing ammonia gas.
Example 2
The ammonia gas recovery device comprises a liquid storage tank 1 as shown in figure 1, wherein the liquid storage tank 1 is provided with an air inlet 3, an air outlet 4 and two absorption liquid pipe orifices; the gas inlet 3 and the gas outlet 4 are both positioned at the upper part of the liquid storage tank 1, the gas inlet 3 is communicated with a gas distribution device 2 arranged at the inner lower part of the liquid storage tank 1 through a pipeline 8, the gas distribution device 2 is formed by uniformly distributing a plurality of branch pipes 9 communicated with the pipeline 8, and the pipe walls of the branch pipes 9 are provided with gas holes 7; the liquid inlet 6 is positioned at the lower part of the liquid storage tank 1, the liquid outlet 5 is positioned at the upper part of the liquid storage tank 1, and the liquid outlet 5 is positioned 600mm above the gas distribution device 2. Ammonia enters the absorption liquid from the gas inlet 3 through the gas distribution device 2, and gas which is not absorbed is discharged from the gas outlet 4; the absorption liquid enters the liquid storage tank 1 from the liquid inlet 6, and is discharged from the liquid outlet 5 after absorbing ammonia gas. The gas distribution device 2 of the embodiment enables the distribution range of the gas in the liquid storage tank 1 to be wider, and the formed bubbles are uniformly distributed in the absorption liquid, so that the gas can be fully absorbed by ammonia gas.
Example 3
the ammonia gas recovery device comprises a liquid storage tank 1 as shown in figure 1, wherein the liquid storage tank 1 is provided with an air inlet 3, an air outlet 4 and two absorption liquid pipe orifices; the gas inlet 3 and the gas outlet 4 are both positioned at the upper part of the liquid storage tank 1, the gas inlet 3 is communicated with a gas distribution device 2 arranged at the inner lower part of the liquid storage tank 1 through a pipeline 8, the gas distribution device 2 consists of a plurality of branch pipes 9 communicated with the pipeline 8 at the same height, and the pipe walls of the branch pipes 9 are provided with gas holes 7; the liquid inlet 6 is positioned at the lower part of the liquid storage tank 1, the liquid outlet 5 is positioned at the upper part of the liquid storage tank 1, and the liquid outlet 5 is positioned 500mm above the gas distribution device 2. Ammonia enters the absorption liquid from the gas inlet 3 through the gas distribution device 2, the initial positions of formed bubbles in the absorption liquid are consistent, and after the ammonia is fully absorbed, unabsorbed gas is discharged from the gas outlet 4; the absorption liquid enters the liquid storage tank 1 from the liquid inlet 6, and is discharged from the liquid outlet 5 after absorbing ammonia gas.
In this embodiment, further, the air holes 7 are formed in the lower pipe wall of the branch pipe 9, so that the movement time of the ammonia bubbles in the absorption liquid is prolonged, and the absorption of the absorption liquid on ammonia is facilitated. Preferably, the air holes 7 are densely distributed at the far end of the branch pipe 9, and are distributed at the near end, so that the two ends in the branch pipe can keep better balanced pressure, and ammonia gas can enter the absorption liquid at a constant speed.
In this embodiment, the gas distribution device 2 is further composed of 4 branch pipes 9 connected to the pipeline 8 and uniformly distributed at the same height, and is in a cross-shaped structure, as shown in fig. 2. The branch pipe 9 keeps better balanced air pressure to form bubbles with regular shapes, and the ammonia gas can be fully absorbed.
Example 4
The ammonia gas recovery device comprises a liquid storage tank 1 as shown in figure 1, wherein the liquid storage tank 1 is provided with an air inlet 3, an air outlet 4 and an absorption liquid pipe orifice; the gas inlet 3 and the gas outlet 4 are both positioned at the upper part of the liquid storage tank 1, the gas inlet 3 is communicated with a gas distribution device 2 arranged at the inner lower part of the liquid storage tank 1 through a pipeline 8, the gas distribution device 2 is formed by uniformly distributing a plurality of branch pipes 9 communicated with the pipeline 8 at the same height, the branch pipes 9 are in a cross-shaped structure, and as shown in figure 2, gas holes 7 are formed in the pipe walls of the branch pipes 9; the liquid inlet and the liquid outlet share an absorbing liquid pipe orifice positioned at the lower part of the liquid storage tank 1. The absorption liquid enters the liquid storage tank 1 from the absorption liquid pipe orifice, ammonia enters the absorption liquid from the gas inlet 3 through the gas distribution device 2, unabsorbed gas is discharged from the gas outlet 4, and the absorption liquid after absorbing ammonia is discharged from the absorption liquid pipe orifice.
In this embodiment, the liquid inlet 6 and the liquid outlet 5 are different absorbing liquid pipe openings and are both located at the lower part of the liquid storage tank 1, which is beneficial to the replacement of the absorbing liquid in the liquid storage tank 1.
To sum up, adopt the utility model discloses an ammonia recovery unit can fully absorb the ammonia, has solved the emission and the environmental pollution problem of ammonia, and the ammonia of retrieving is recycled to the system production in the middle of, further improves the utilization ratio of ammonia.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. An ammonia recovery unit which characterized in that: contain liquid storage pot (1), liquid storage pot (1) is equipped with air inlet (3), gas outlet (4) and at least one absorption liquid mouth of pipe, be equipped with gas distribution device (2) in liquid storage pot (1), air inlet (3) are through pipeline (8) and gas distribution device (2) intercommunication, gas distribution device (2) are including many branch pipes (9) that communicate in pipeline (8), gas pocket (7) have been seted up to branch pipe (9) pipe wall, branch pipe (9) are located same height, branch pipe and pipeline intercommunication form "ten" shape structure.
2. an ammonia gas recovery device as defined in claim 1 wherein: the air hole (7) is arranged on the lower pipe wall of the branch pipe (9).
3. An ammonia gas recovery device as defined in claim 1 wherein: the branch pipes (9) are uniformly distributed on the circumference of the pipeline (8).
4. An ammonia gas recovery device as defined in claim 1 wherein: the air inlet (3) is positioned at the upper part of the liquid storage tank (1).
5. An ammonia gas recovery device as defined in claim 1 wherein: the air outlet (4) is positioned at the upper part of the liquid storage tank (1).
6. an ammonia gas recovery device as defined in claim 1 wherein: the absorbing liquid pipe orifice comprises a liquid inlet (6) and a liquid outlet (5).
7. An ammonia gas recovery device as defined in claim 6 wherein: the liquid inlet (6) is positioned at the lower part of the liquid storage tank (1), and the liquid outlet (5) is positioned at the upper part of the liquid storage tank (1).
8. An ammonia gas recovery device as defined in claim 6 wherein: the liquid inlet (6) and the liquid outlet (5) are both positioned at the lower part of the liquid storage tank (1).
CN201822068165.9U 2018-12-11 2018-12-11 Ammonia gas recovery device Active CN209771760U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822068165.9U CN209771760U (en) 2018-12-11 2018-12-11 Ammonia gas recovery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822068165.9U CN209771760U (en) 2018-12-11 2018-12-11 Ammonia gas recovery device

Publications (1)

Publication Number Publication Date
CN209771760U true CN209771760U (en) 2019-12-13

Family

ID=68789769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822068165.9U Active CN209771760U (en) 2018-12-11 2018-12-11 Ammonia gas recovery device

Country Status (1)

Country Link
CN (1) CN209771760U (en)

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Effective date of registration: 20211008

Granted publication date: 20191213