CN213995416U - Acid gas and ammonia gas absorption device - Google Patents
Acid gas and ammonia gas absorption device Download PDFInfo
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- CN213995416U CN213995416U CN202022494903.3U CN202022494903U CN213995416U CN 213995416 U CN213995416 U CN 213995416U CN 202022494903 U CN202022494903 U CN 202022494903U CN 213995416 U CN213995416 U CN 213995416U
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- purification tower
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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 an acid gas and ammonia absorption device, which comprises an acid gas purification tower and an ammonia purification tower which respectively absorb acid gas or ammonia through absorption liquid, and a water absorption tower which is connected with the acid gas purification tower and the ammonia purification tower; the inside bottom of water absorption tower, sour gas purification tower and ammonia purification tower is provided with the absorption liquid saving pool respectively, and the inside of absorption liquid saving pool is provided with the centrifugal pump that pumps the absorption liquid, the exit end of centrifugal pump passes through the shower head of second pipeline with the upper end and links to each other, the absorption liquid in water absorption tower, sour gas purification tower and the ammonia purification tower is water, caustic soda liquid, hydrochloric acid respectively, the utility model discloses can be with in the waste gas and the harmful substance in the production with absorb the completion after, discharge to the atmosphere in.
Description
Technical Field
The utility model relates to an acid gas and ammonia absorbing device belongs to tail gas treatment equipment field.
Background
At present, in the production process of the chemical pharmaceutical industry, the requirement of green and environment-friendly production is required to be met, waste gas in production is generally required to be treated, the treatment effect of a common water washing device on the waste gas and acid mist is very common, and harmful substances in the waste gas in production cannot be completely removed by some devices, so that the waste gas is discharged into the atmosphere and pollutes the environment.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides an sour gas and ammonia absorbing device, can effectively get rid of sour gas, ammonia and the harmful substance in the tail gas, both satisfied green production requirement, can realize continuous use again, be fit for the production needs.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
an acid gas and ammonia absorption device comprises an acid gas purification tower and an ammonia purification tower which respectively absorb acid gas or ammonia through absorption liquid, and a water absorption tower which is connected with the acid gas purification tower and the ammonia purification tower;
the bottom ends of the interiors of the water absorption tower, the acid gas purification tower and the ammonia gas purification tower are respectively provided with an absorption liquid storage tank, a centrifugal pump for pumping out the absorption liquid is arranged in the absorption liquid storage tank, the outlet end of the centrifugal pump is connected with a spray header at the upper end through a second pipeline, and the absorption liquids in the water absorption tower, the acid gas purification tower and the ammonia gas purification tower are respectively water, liquid caustic soda and hydrochloric acid;
a plurality of hollow-out step plates are uniformly arranged in the water absorption tower, the acid gas purification tower and the ammonia gas purification tower from top to bottom, and a plurality of cloth rings are uniformly distributed on each step plate;
the top of sour gas purifying column and ammonia purifying column links to each other through the bottom of first pipeline with the water absorption tower respectively, and the top of water absorption tower links to each other with high-pressure centrifugal fan, the bottom of sour gas purifying column and ammonia purifying column is connected with the house steward of breathing in through first pipeline respectively, the house steward of breathing in is connected with a plurality of branch pipes of breathing in respectively, the tip of every branch pipe of breathing in is provided with the gas collecting channel that meets with tail gas tank car, and still is provided with rocker switch on the branch pipe of breathing in.
The utility model discloses technical scheme's further improvement lies in: sour gas and ammonia absorbing device still includes automatic liquid feeding device, automatic liquid feeding device is including setting up the liquid feeding groove on water absorption tower, sour gas purifying column and ammonia purifying column bottom outer wall respectively, and liquid feeding groove links to each other with inside absorption liquid save pond, liquid feeding groove links to each other with the liquid feeding pipeline, and is provided with electric switch on the liquid feeding pipeline, be provided with the pH meter that is used for measuring cloth ring absorption liquid pH value on the middle part outer wall of water absorption tower, sour gas purifying column and ammonia purifying column, pH meter and electric switch all are connected with the PLC controller.
The utility model discloses technical scheme's further improvement lies in: the cloth ring comprises a hollow cylinder arranged at the central part and a baffle vertically arranged at the axial central part of the hollow cylinder, a plurality of arc-shaped blades are uniformly distributed in the upper part space and the lower part space formed by the hollow cylinder and the baffle, and the arc-shaped blades in the upper part space and the lower part space are arranged at intervals.
The utility model discloses technical scheme's further improvement lies in: the connection of the air suction branch pipe and the air suction main pipe is detachable connection.
The utility model discloses technical scheme's further improvement lies in: the number of layers of the step material plates in the water absorption tower, the acid gas purification tower and the ammonia gas purification tower is more than or equal to 2.
The utility model discloses technical scheme's further improvement lies in: the number of the air suction branch pipes connected with the air suction main pipe is more than or equal to 2.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
the utility model can completely absorb the waste gas (acid gas and ammonia gas) generated in the production process, does not cause pollution to the atmosphere, ensures that the gas discharged outside can reach the standard, and realizes green production; and the absorption treatment link is full-automatic, and the waste gas is continuously absorbed and purified, so that the continuous production is ensured.
The utility model discloses the device contains automatic liquid feeding device, can realize the automatic absorption liquid that supplyes through the pH value control of pH meter measurement in the aspect of the liquid feeding, can replace the manual work to operate completely, reduces operating personnel's intensity of labour.
The utility model discloses a tail gas is from up-going down, and the absorption liquid from the shower head blowout on top, flows from top to bottom to the setting up of multilayer cloth ring makes the flow of absorption liquid more slowly, more abundant to the absorption of tail gas, improves purification efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the cloth ring of the present invention;
the system comprises an acid gas purification tower 1, a water absorption tower 2, an ammonia gas purification tower 3, a high-pressure centrifugal fan 4, a first pipeline 5, a centrifugal pump 6, a second pipeline 7, a spray header 8, a liquid adding groove 9, a liquid adding groove 10, an electric switch 11, a PLC controller 12, a pH meter 13, a material distribution ring 14, a suction main pipe 15, a suction branch pipe 16, a gas collecting hood 17 and a rocker switch.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
as shown in fig. 1, an acid gas and ammonia gas absorption apparatus includes an acid gas purification tower 1 and an ammonia gas purification tower 3 for respectively absorbing acid gas or ammonia gas by an absorption liquid, and a water absorption tower 2 connected to both the acid gas purification tower 1 and the ammonia gas purification tower 3.
The top of sour gas purifying column 1 and ammonia purifying column 3 links to each other with the bottom of water absorption tower 2 through first pipeline 5 respectively, and the top of water absorption tower 2 links to each other with high-pressure centrifugal fan 4, the bottom of sour gas purifying column 1 and ammonia purifying column 3 is connected with the house steward 14 of breathing in through first pipeline 5 respectively, house steward 14 of breathing in is connected with a plurality of branch pipes 15 of breathing in respectively, branch pipe 15 of breathing in is connected for dismantling with house steward 14 of breathing in to the number more than or equal to 2 of branch pipe 15 of breathing in that is connected with house steward 14 of breathing in. The end part of each air suction branch pipe 15 is provided with a gas collecting hood 16 connected with a tail gas tank truck, the air suction branch pipes 15 are also provided with rocker switches 17, and the rocker switches 17 are used for opening and closing the air suction branch pipes 15.
The absorption liquid storage tanks are respectively arranged at the bottom ends of the water absorption tower 2, the acid gas purification tower 1 and the ammonia gas purification tower 3, the centrifugal pump 6 for pumping out the absorption liquid is arranged in the absorption liquid storage tanks, the outlet end of the centrifugal pump 6 is connected with the spray head 8 at the upper end through a second pipeline 7, and the absorption liquid in the water absorption tower 2, the acid gas purification tower 1 and the ammonia gas purification tower 3 is water, liquid alkali and hydrochloric acid respectively.
The inside of water absorption tower 2, sour gas purification tower 1 and ammonia purification tower 3 evenly is provided with the multilayer from last step flitch that is the fretwork setting down, the number of piles more than or equal to 2 of the inside step flitch of water absorption tower 2, sour gas purification tower 1 and ammonia purification tower 3. A plurality of material distribution rings are uniformly distributed on each layer of the material stepping plate; as shown in fig. 2, the distribution ring 13 includes a hollow cylinder disposed at the central portion and a baffle vertically disposed at the axial central portion of the hollow cylinder, a plurality of arc-shaped blades are uniformly distributed in the upper and lower spaces formed by the hollow cylinder and the baffle, and the arc-shaped blades are disposed at intervals in the upper and lower spaces.
The bottom ends of the interiors of the water absorption tower 2, the acid gas purification tower 1 and the ammonia gas purification tower 3 are respectively provided with an absorption liquid storage tank, a centrifugal pump 6 for pumping out absorption liquid is arranged in the absorption liquid storage tank, the outlet end of the centrifugal pump 6 is connected with a spray head 8 at the upper end through a second pipeline 7, and the absorption liquid in the water absorption tower 2, the acid gas purification tower 1 and the ammonia gas purification tower 3 is respectively water, liquid alkali and hydrochloric acid;
a plurality of hollow-out step plates are uniformly arranged in the water absorption tower 2, the acid gas purification tower 1 and the ammonia gas purification tower 3 from top to bottom, and a plurality of cloth rings are uniformly distributed on each step plate; the material distribution ring 13 comprises a hollow cylinder arranged at the central part and a baffle plate vertically arranged at the axial central part of the hollow cylinder, a plurality of arc-shaped blades are uniformly distributed in the upper part space and the lower part space formed by the hollow cylinder and the baffle plate, and the arc-shaped blades in the upper part space and the lower part space are arranged at intervals.
The utility model discloses an acid gas absorption pipeline and ammonia absorption pipeline. The acid gas absorption pipeline is as follows: the sour gas tail gas passes through the gas collecting channel 16, branch pipe 15 of breathing in, the house steward 14 of breathing in, first pipeline 5 gets into sour gas purifying column 1 from the lower extreme, the operation through high-pressure centrifugal fan 4 makes sour gas tail gas absorb sour gas after the spraying absorption of the liquid caustic soda in sour gas purifying column 1, take out from the top of sour gas purifying column 1, get into the bottom of water absorption tower 2 along first pipeline 5, absorb harmful dust after the spraying absorption of the water of water absorption tower 2, the tail gas that accords with the discharge index is discharged to the atmosphere from the top of water absorption tower 2.
The ammonia absorption pipeline is as follows: ammonia tail gas passes through the gas collecting channel 16, branch pipe 15 of breathing in, the house steward 14 of breathing in, first pipeline 5 gets into ammonia purification tower 3 from the lower extreme, the operation through high-pressure centrifugal fan 4 makes sour gas tail gas absorb the ammonia after the hydrochloric acid sprays the absorption in ammonia purification tower 3, take out from the top of ammonia purification tower 3, get into the bottom of water absorption tower 2 along first pipeline 5, absorb harmful dust after the spraying of the water of water absorption tower 2, the tail gas that accords with the index of discharging is arranged to the atmosphere from the top of water absorption tower 2.
The utility model discloses a tail gas is from upwards moving down, and the absorption liquid from the 8 blowout of shower heads on top, flows from top to bottom to setting up of multilayer cloth ring 13 makes the flow of absorption liquid more slowly, more abundant to the absorption of tail gas, improves purification efficiency.
The utility model discloses still include automatic liquid feeding device, automatic liquid feeding device is including setting up respectively in liquid feeding groove 9 on water absorption tower 2, sour gas purifying tower 1 and the 3 bottom outer walls of ammonia purifying tower, and liquid feeding groove 9 links to each other with inside absorption liquid save bank, liquid feeding groove 9 links to each other with the liquid feeding pipeline, and is provided with electric switch 10 on the liquid feeding pipeline, be provided with the pH meter 12 that is used for measuring absorption liquid pH value on cloth ring 13 on the middle part outer wall of water absorption tower 2, sour gas purifying tower 1 and ammonia purifying tower 3, pH meter 12 and electric switch 10 all are connected with PLC controller 11. The PLC 11 judges whether water, liquid caustic soda or hydrochloric acid needs to be added or not according to the pH feedback of each pH meter 12, and further adjusts the corresponding electric switch 10 to be turned on for automatic liquid adding, and the operation is simple.
Claims (6)
1. An acid gas and ammonia gas absorption device, which is characterized in that: comprises an acid gas purification tower (1) and an ammonia gas purification tower (3) which respectively absorb acid gas or ammonia gas through absorption liquid, and a water absorption tower (2) which is connected with the acid gas purification tower (1) and the ammonia gas purification tower (3);
the bottom ends of the interiors of the water absorption tower (2), the acid gas purification tower (1) and the ammonia gas purification tower (3) are respectively provided with an absorption liquid storage tank, a centrifugal pump (6) for pumping out the absorption liquid is arranged in the absorption liquid storage tank, the outlet end of the centrifugal pump (6) is connected with a spray head (8) at the upper end through a second pipeline (7), and the absorption liquids in the water absorption tower (2), the acid gas purification tower (1) and the ammonia gas purification tower (3) are respectively water, liquid caustic soda and hydrochloric acid;
a plurality of hollow-out step plates are uniformly arranged in the water absorption tower (2), the acid gas purification tower (1) and the ammonia gas purification tower (3) from top to bottom, and a plurality of cloth rings are uniformly distributed on each step plate;
the top of sour gas purifying column (1) and ammonia purifying column (3) links to each other through the bottom of first pipeline (5) with water absorption tower (2) respectively, and the top of water absorption tower (2) links to each other with high-pressure centrifugal fan (4), the bottom of sour gas purifying column (1) and ammonia purifying column (3) is connected with main (14) of breathing in through first pipeline (5) respectively, main (14) of breathing in is connected with a plurality of branch pipe (15) of breathing in respectively, the tip of every branch pipe (15) of breathing in is provided with gas collecting hood (16) that meet with the tail gas tank car, and still is provided with rocker switch (17) on branch pipe (15) of breathing in.
2. The apparatus according to claim 1, wherein: sour gas and ammonia gas absorbing device still includes automatic liquid feeding device, automatic liquid feeding device is including setting up liquid feeding groove (9) on water absorption tower (2), sour gas purifying column (1) and ammonia purifying column (3) bottom outer wall respectively, and liquid feeding groove (9) link to each other with inside absorbed liquid save pond, liquid feeding groove (9) link to each other with the liquid feeding pipeline, and are provided with electric switch (10) on the liquid feeding pipeline, be provided with pH meter (12) that are used for measuring absorbed liquid pH value on cloth ring (13) on the middle part outer wall of water absorption tower (2), sour gas purifying column (1) and ammonia purifying column (3), pH meter (12) and electric switch (10) all are connected with PLC controller (11).
3. The apparatus according to claim 1, wherein: the cloth ring (13) comprises a hollow cylinder arranged at the central part and a baffle vertically arranged at the axial central part of the hollow cylinder, a plurality of arc-shaped blades are uniformly distributed in the upper and lower spaces formed by the hollow cylinder and the baffle, and the arc-shaped blades in the upper and lower spaces are arranged at intervals.
4. The apparatus according to claim 1, wherein: the connection of the air suction branch pipe (15) and the air suction main pipe (14) is detachable connection.
5. The apparatus according to claim 1, wherein: the number of layers of the material stepping plates in the water absorption tower (2), the acid gas purification tower (1) and the ammonia gas purification tower (3) is more than or equal to 2.
6. The apparatus according to claim 1, wherein: the number of the air suction branch pipes (15) connected with the air suction main pipe (14) is more than or equal to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022494903.3U CN213995416U (en) | 2020-11-02 | 2020-11-02 | Acid gas and ammonia gas absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022494903.3U CN213995416U (en) | 2020-11-02 | 2020-11-02 | Acid gas and ammonia gas absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213995416U true CN213995416U (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022494903.3U Active CN213995416U (en) | 2020-11-02 | 2020-11-02 | Acid gas and ammonia gas absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213995416U (en) |
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2020
- 2020-11-02 CN CN202022494903.3U patent/CN213995416U/en active Active
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