CN212818220U - Acetaldehyde condensation recovery system - Google Patents
Acetaldehyde condensation recovery system Download PDFInfo
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- CN212818220U CN212818220U CN202020965398.3U CN202020965398U CN212818220U CN 212818220 U CN212818220 U CN 212818220U CN 202020965398 U CN202020965398 U CN 202020965398U CN 212818220 U CN212818220 U CN 212818220U
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- acetaldehyde
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Abstract
The utility model discloses an acetaldehyde condensation recovery system relates to a waste gas recovery field, including the recovery pipeline, the one end and the acetaldehyde waste gas source of recovery pipeline are connected, the other end of recovery pipeline is connected with the recovery jar, first heat exchanger, first liquid storage pot, compressor, second heat exchanger and second liquid storage pot have set gradually according to the flow direction of acetaldehyde waste gas on the recovery pipeline, be provided with first pipeline between first liquid storage pot and the recovery jar, second liquid storage pot and recovery jar pass through the recovery tube and connect for acetaldehyde in the second liquid storage pot enters into the recovery jar through the recovery pipeline, the upper end of second liquid storage pot is provided with the exhaust subassembly that is used for air escape in the second liquid storage pot, still including the controller that is used for controlling acetaldehyde condensation recovery system, the utility model discloses with ethanol waste gas recovery condensation recycle, Reducing the pollution to the atmosphere and saving resources.
Description
Technical Field
The utility model relates to a waste gas recovery field, in particular to acetaldehyde condensation recovery system.
Background
Acetaldehyde belongs to flammable and explosive chemical products, acetaldehyde waste gas is discharged into the air, so that the air is polluted and harmful to human bodies, the acetaldehyde waste gas is generally combusted in the existing society, a large amount of CO2 is generated after the combustion treatment, and the atmosphere is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an acetaldehyde condensation recovery system with acetaldehyde waste gas recovery condensation recycle, reduction to atmospheric pollution, resources are saved.
The utility model provides a technical scheme that its technical problem adopted is: the acetaldehyde condensation recovery system comprises a recovery pipeline, wherein one end of the recovery pipeline is connected with an acetaldehyde waste gas source, the other end of the recovery pipeline is connected with a recovery tank for recovering condensed acetaldehyde, and the recovery tank is used for recovering the condensed acetaldehyde;
the recovery system is characterized in that a first heat exchanger for precooling acetaldehyde waste gas, a first liquid storage tank for storing precooled acetaldehyde, a compressor for providing flow power for precooled acetaldehyde still in a gaseous state, a second heat exchanger for condensing acetaldehyde gas and a second liquid storage tank for storing condensed acetaldehyde are sequentially arranged on the recovery pipeline according to the flow direction of the acetaldehyde waste gas, a first pipeline is arranged between the first liquid storage tank and the recovery tank, so that acetaldehyde liquid in the first liquid storage tank enters the recovery tank through the first pipeline and the recovery pipeline, the second liquid storage tank is connected with the recovery tank through the recovery pipeline, so that acetaldehyde in the second liquid storage tank enters the recovery tank through the recovery pipeline, the first heat exchanger is used for precooling the acetaldehyde waste gas, so that a part of the acetaldehyde gas is cooled into acetaldehyde liquid, and the first liquid storage tank is used for storing precooled acetaldehyde, the compressor is used for providing flowing power for the gaseous acetaldehyde after precooling, the second heat exchanger is used for condensing acetaldehyde gas, so that the acetaldehyde gas is condensed into acetaldehyde liquid to be recovered, the second liquid storage tank is used for storing the condensed acetaldehyde, and the first pipeline is used for allowing the acetaldehyde liquid in the first liquid storage tank to flow into the recovery tank;
the upper end of the second liquid storage tank is provided with an exhaust assembly for exhausting air in the second liquid storage tank, and the exhaust assembly is used for exhausting air entering the second liquid storage tank due to compression of the compressor;
also comprises a controller for controlling the acetaldehyde condensation recovery system.
Further, the method comprises the following steps: a first valve used for controlling the on-off of the first pipeline is arranged between the first liquid storage tank and the recovery tank on the first pipeline, and the first valve is used for controlling the on-off of the first pipeline.
Further, the method comprises the following steps: and a second valve used for controlling whether acetaldehyde in the second liquid storage tank flows into the recovery tank or not is arranged between the second liquid storage tank and the first valve on the recovery pipeline, and the second valve is used for controlling whether acetaldehyde in the second liquid storage tank flows into the recovery tank or not.
Further, the method comprises the following steps: the compressor is explosion-proof compressor, uses explosion-proof compressor to be used for improving factor of safety.
Further, the method comprises the following steps: the exhaust subassembly is including being used for supplying the air exhaust second pipeline in the second liquid storage pot, be provided with the third valve that is used for controlling the second pipeline break-make on the second pipeline, the one end that the second liquid storage pot was kept away from to the second pipeline is provided with the active carbon that is arranged in adsorbing harmful substance in the exhaust air, the third valve is used for controlling the break-make of second pipeline, active carbon is in adsorbing harmful substance in the exhaust air.
Further, the method comprises the following steps: the first valve, the second valve and the third valve are all automatic control valves, and the first valve and the second valve are respectively connected with a controller.
Further, the method comprises the following steps: the liquid level meter is used for detecting the liquid level in the first liquid storage tank and is connected with the controller, and the first liquid level meter is used for detecting the liquid level in the first liquid storage tank.
Further, the method comprises the following steps: and a second liquid level meter used for detecting the liquid level in the second liquid storage tank is arranged in the second liquid storage tank and is connected with the controller, and the second liquid level meter is used for detecting the liquid level in the second liquid storage tank.
Further, the method comprises the following steps: and a pressure controller used for detecting the pressure value in the second liquid storage tank and controlling the on-off of a third valve is arranged in the second liquid storage tank, the third valve is connected with the pressure controller, and the pressure controller is used for detecting the pressure value in the second liquid storage tank and controlling the on-off of the third valve.
The utility model has the advantages that: the utility model discloses recycle acetaldehyde waste gas recovery condensation, reduce atmospheric pollution, resources are saved, first heat exchanger is used for giving acetaldehyde waste gas precooling for partly acetaldehyde gas cooling becomes acetaldehyde liquid, first liquid storage pot is used for storing acetaldehyde after the precooling, the compressor is used for still providing mobile power for gaseous acetaldehyde after the precooling, the second heat exchanger is used for condensing acetaldehyde gas for acetaldehyde gas condensation is convenient for retrieve for acetaldehyde liquid.
Drawings
FIG. 1 is a schematic diagram of a system for condensing and recovering acetaldehyde;
labeled as: 1. a recovery pipeline; 2. a recovery tank; 3. a first heat exchanger; 4. a first liquid storage tank; 5. a compressor; 6. a second heat exchanger; 7. a second liquid storage tank; 8. a first conduit; 9. a first valve; 10. a second valve; 11. a second conduit; 12. a third valve; 13. activated carbon.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
The acetaldehyde condensation recovery system shown in fig. 1 comprises a recovery pipeline 1, wherein one end of the recovery pipeline 1 is connected with an acetaldehyde waste gas source, the other end of the recovery pipeline 1 is connected with a recovery tank 2 for recovering condensed acetaldehyde, and the recovery tank 2 is used for recovering the condensed acetaldehyde;
a first heat exchanger 3 for precooling acetaldehyde waste gas, a first liquid storage tank 4 for storing precooled acetaldehyde, a compressor 5 for providing flow power for precooled acetaldehyde still in a gaseous state, a second heat exchanger 6 for condensing acetaldehyde gas and a second liquid storage tank 7 for storing condensed acetaldehyde are sequentially arranged on the recovery pipeline 1 according to the flow direction of the acetaldehyde waste gas, a first pipeline 8 is arranged between the first liquid storage tank 4 and the recovery tank 2, so that acetaldehyde liquid in the first liquid storage tank 4 enters the recovery tank 2 through the first pipeline 8 and the recovery pipeline 1, the second liquid storage tank 7 is connected with the recovery tank 2 through the recovery pipeline 1, so that acetaldehyde in the second liquid storage tank 7 enters the recovery tank 2 through the recovery pipeline 1, the first heat exchanger 3 is used for precooling the acetaldehyde waste gas, so that a part of the acetaldehyde gas is cooled into acetaldehyde liquid, the first liquid storage tank 4 is used for storing precooled acetaldehyde, the compressor 5 is used for providing flowing power for the precooled acetaldehyde which is still in a gaseous state, the second heat exchanger 6 is used for condensing acetaldehyde gas so that the acetaldehyde gas is condensed into acetaldehyde liquid to be recovered, the second liquid storage tank 7 is used for storing the condensed acetaldehyde, and the first pipeline 8 is used for allowing the acetaldehyde liquid in the first liquid storage tank 4 to flow into the recovery tank 2;
the upper end of the second liquid storage tank 7 is provided with an exhaust assembly for exhausting air in the second liquid storage tank 7, and the exhaust assembly is used for exhausting air which enters the second liquid storage tank 7 due to compression of the compressor 5;
still including the controller that is used for controlling acetaldehyde condensation recovery system, the utility model discloses can be applicable to volatile chemical waste gas such as ethanol, petrol.
On the basis, a first valve 9 for controlling the on-off of the first pipeline 8 is arranged between the first liquid storage tank 4 and the recovery tank 2 on the first pipeline 8, and the first valve 9 is used for controlling the on-off of the first pipeline 8.
On the basis, a second valve 10 for controlling whether acetaldehyde in the second liquid storage tank 7 flows into the recovery tank 2 or not is arranged between the second liquid storage tank 7 and the first valve 9 on the recovery pipeline 1, and the second valve 10 is used for controlling whether acetaldehyde in the second liquid storage tank 7 flows into the recovery tank 2 or not.
On the basis, the compressor 5 is an explosion-proof compressor, and the explosion-proof compressor is used for improving the safety coefficient.
On the basis, the exhaust assembly comprises a second pipeline 11 used for exhausting air in the second liquid storage tank 7, a third valve 12 used for controlling the on-off of the second pipeline 11 is arranged on the second pipeline 11, activated carbon 13 used for adsorbing harmful substances in the air is arranged at one end, far away from the second liquid storage tank 7, of the second pipeline 11, the third valve 12 is used for controlling the on-off of the second pipeline 11, and the activated carbon 13 is used for adsorbing the harmful substances in the exhausted air.
On the basis, the first valve 9, the second valve 10 and the third valve 12 are all automatic control valves, and the first valve 9 and the second valve 10 are respectively connected with a controller.
On the basis, a first liquid level meter for detecting the liquid level in the first liquid storage tank 4 is arranged in the first liquid storage tank 4, the first liquid level meter is connected with a controller, the first liquid level meter is used for detecting the liquid level in the first liquid storage tank 4, the threshold value of the first liquid level meter is preset in the controller, when the first liquid level meter detects that the liquid level of the first liquid storage tank 4 reaches a preset upper limit value, a signal is sent to the controller, the controller controls the first valve 9 to be opened, and acetaldehyde liquid in the first liquid storage tank 4 flows into the recovery tank 2 to be recovered; when the first liquid level meter detects that the liquid level of the first liquid storage tank 4 reaches a preset lower limit value, a signal is sent to the controller, and the controller controls the first valve 9 to be closed.
On the basis, a second liquid level meter for detecting the liquid level in the second liquid storage tank 7 is arranged in the second liquid storage tank 7 and is connected with the controller, the second liquid level meter is used for detecting the liquid level in the second liquid storage tank 7, when the second liquid level meter detects that the liquid level of the second liquid storage tank 7 reaches a preset upper limit value, a signal is sent to the controller, the controller controls the second valve 10 to be opened, and acetaldehyde in the second liquid storage tank 7 flows into the recovery tank 2 to be recovered; when the second liquid level meter detects that the liquid level of the second liquid storage tank 7 reaches a preset lower limit value, a signal is sent to the controller, and the controller controls the second valve 10 to close.
On the basis, a pressure controller used for detecting the pressure value in the second liquid storage tank 7 and controlling the on-off of the third valve 12 is arranged in the second liquid storage tank 7, the third valve 12 is connected with the pressure controller, the pressure controller is used for detecting the pressure value in the second liquid storage tank 7 and controlling the on-off of the third valve 12, the threshold value of the pressure controller is preset, when the pressure controller detects that the pressure value in the second liquid storage tank 7 is higher than the preset value, the third valve 12 is controlled to be opened, and air is exhausted through the third valve 12; and when the pressure controller detects that the pressure value in the second liquid storage tank 7 is lower than the preset value, the third valve 12 is controlled to be closed.
On the basis, acetaldehyde waste gas is precooled through the first heat exchanger 3, part of the acetaldehyde waste gas is cooled to acetaldehyde liquid, the acetaldehyde liquid enters the first liquid storage tank 4, part of the acetaldehyde still in a gaseous state after being cooled is compressed to medium-temperature and medium-pressure acetaldehyde gas through the compressor 5, the medium-temperature and medium-pressure acetaldehyde gas is condensed to low-temperature and medium-pressure acetaldehyde liquid through the second heat exchanger 6 and flows into the second liquid storage tank 7, when the second liquid level meter detects that the liquid level of the second liquid storage tank 7 reaches a preset upper limit value, a signal is sent to the controller, the controller controls the second valve 10 to be opened, the acetaldehyde in the second liquid storage tank 7 flows into the recovery tank 2 to be recovered, when the pressure controller detects that the pressure value in the second liquid storage tank 7 is higher than a preset value, the third valve 12 is controlled to be opened, air is discharged through the third valve 12 and is adsorbed by the activated carbon 13, the operation is repeated in this way.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. An acetaldehyde condensation recovery system, which is characterized in that: the device comprises a recovery pipeline (1), wherein one end of the recovery pipeline (1) is connected with an acetaldehyde waste gas source, and the other end of the recovery pipeline (1) is connected with a recovery tank (2) for recovering condensed acetaldehyde;
a first heat exchanger (3) for precooling acetaldehyde waste gas, a first liquid storage tank (4) for storing precooled acetaldehyde, a compressor (5) for providing flow power for precooled acetaldehyde still in a gaseous state, a second heat exchanger (6) for condensing acetaldehyde gas and a second liquid storage tank (7) for storing condensed acetaldehyde are sequentially arranged on the recovery pipeline (1) according to the flow direction of the acetaldehyde waste gas, a first pipeline (8) is arranged between the first liquid storage tank (4) and the recovery tank (2), so that the acetaldehyde liquid in the first liquid storage tank (4) enters the recovery tank (2) through the first pipeline (8) and the recovery pipeline (1), the second liquid storage tank (7) is connected with the recovery tank (2) through a recovery pipeline (1), so that the acetaldehyde in the second liquid storage tank (7) enters the recovery tank (2) through the recovery pipeline (1);
the upper end of the second liquid storage tank (7) is provided with an exhaust assembly for exhausting air in the second liquid storage tank (7);
also comprises a controller for controlling the acetaldehyde condensation recovery system.
2. The system for condensing and recovering acetaldehyde as claimed in claim 1, wherein: and a first valve (9) for controlling the on-off of the first pipeline (8) is arranged between the first liquid storage tank (4) and the recovery tank (2) on the first pipeline (8).
3. The system for condensing and recovering acetaldehyde as claimed in claim 2, wherein: and a second valve (10) used for controlling whether acetaldehyde in the second liquid storage tank (7) flows into the recovery tank (2) or not is arranged between the second liquid storage tank (7) and the first valve (9) on the recovery pipeline (1).
4. The system for condensing and recovering acetaldehyde as claimed in claim 1, wherein: the compressor (5) is an explosion-proof compressor.
5. The system for condensing and recovering acetaldehyde as claimed in claim 3, wherein: the exhaust assembly comprises a second pipeline (11) used for exhausting air in the second liquid storage tank (7), a third valve (12) used for controlling the second pipeline (11) to be connected and disconnected is arranged on the second pipeline (11), and activated carbon (13) used for adsorbing harmful substances in the exhausted air is arranged at one end, far away from the second liquid storage tank (7), of the second pipeline (11).
6. The system for condensing and recovering acetaldehyde as claimed in claim 5, wherein: the first valve (9), the second valve (10) and the third valve (12) are all automatic control valves, and the first valve (9) and the second valve (10) are respectively connected with a controller.
7. The system for condensing and recovering acetaldehyde as claimed in claim 1, wherein: the liquid level meter is characterized in that a first liquid level meter used for detecting the liquid level in the first liquid storage tank (4) is arranged in the first liquid storage tank (4), and the first liquid level meter is connected with the controller.
8. The system for condensing and recovering acetaldehyde as claimed in claim 1, wherein: and a second liquid level meter for detecting the liquid level in the second liquid storage tank (7) is arranged in the second liquid storage tank (7) and is connected with the controller.
9. The system for condensing and recovering acetaldehyde as claimed in claim 5, wherein: and a pressure controller used for detecting the pressure value in the second liquid storage tank (7) and controlling the on-off of the third valve (12) is arranged in the second liquid storage tank (7), and the third valve (12) is connected with the pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020965398.3U CN212818220U (en) | 2020-06-01 | 2020-06-01 | Acetaldehyde condensation recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020965398.3U CN212818220U (en) | 2020-06-01 | 2020-06-01 | Acetaldehyde condensation recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212818220U true CN212818220U (en) | 2021-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020965398.3U Active CN212818220U (en) | 2020-06-01 | 2020-06-01 | Acetaldehyde condensation recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212818220U (en) |
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2020
- 2020-06-01 CN CN202020965398.3U patent/CN212818220U/en active Active
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