CN216295646U - Tail gas recovery device - Google Patents
Tail gas recovery device Download PDFInfo
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- CN216295646U CN216295646U CN202120890464.XU CN202120890464U CN216295646U CN 216295646 U CN216295646 U CN 216295646U CN 202120890464 U CN202120890464 U CN 202120890464U CN 216295646 U CN216295646 U CN 216295646U
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Abstract
The utility model discloses a tail gas recovery device, which comprises a recovery pipeline structure, wherein the recovery pipeline structure comprises a dust filtering pipeline, a condensing pipeline, a purifying pipeline and an adsorption pipeline which are sequentially communicated, wherein a filter screen and an evaporation device are arranged on the dust filtering pipeline, and the evaporation device is used for forming water vapor which can be combined with dust in tail gas entering the dust filtering pipeline; a condensing device is arranged in the condensing pipeline and is used for cooling the water vapor entering the condensing pipeline into condensed water; the purification pipeline is internally provided with a purification device used for absorbing acid gas in tail gas entering the purification pipeline; and activated carbon fibers are filled in the adsorption pipeline. The technical scheme of the utility model solves the problems of complex structure and high cost of the existing tail gas treatment device.
Description
Technical Field
The utility model relates to the technical field of tail gas treatment, in particular to a tail gas recovery device.
Background
The chemical smelting furnace can be used for preparing chemical products, and can also discharge various tail gases, and the tail gases have certain pollution to the environment and need to be treated and then discharged or recycled. Most devices for recovering the existing tail gas have complex structures, and can not realize resource recycling, so that the tail gas treatment cost is overhigh.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a tail gas recovery device, and aims to solve the problem that the existing tail gas recovery device cannot realize resource recycling, so that the tail gas treatment cost is too high.
In order to achieve the above object, the present invention provides a tail gas recovery device, which includes a recovery pipeline structure, wherein the recovery pipeline structure includes a dust filtering pipeline, a condensing pipeline, a purifying pipeline and an adsorbing pipeline, which are sequentially communicated, wherein:
the dust filtering pipeline is provided with a filter screen and an evaporation device, and the evaporation device is used for forming water vapor which can be combined with dust in tail gas entering the dust filtering pipeline;
a condensing device is arranged in the condensing pipeline and is used for cooling the water vapor entering the condensing pipeline into condensed water;
the purification pipeline is internally provided with a purification device used for absorbing acid gas in tail gas entering the purification pipeline;
and activated carbon fibers are filled in the adsorption pipeline.
Optionally, the evaporation device comprises a water tank arranged in the dust filtering pipeline.
Optionally, the evaporation device further comprises an auxiliary heating device arranged at the bottom of the water tank and used for heating the water in the water tank.
Optionally, the tail gas recovery device further comprises a water storage barrel arranged below the dust filtering pipeline and a water pump arranged above the dust filtering pipeline, wherein a water inlet of the water pump is communicated with the water storage barrel, and a water outlet of the water pump is communicated with the water tank.
Optionally, the tail gas recovery device further comprises a water pump arranged above the dust filtering pipeline and a water storage barrel arranged below the dust filtering pipeline;
the condensing unit comprises a plurality of condensing pipes arranged in the condensing pipeline at intervals along the length direction of the condensing pipeline, one ends of the condensing pipes are communicated with the water outlet of the water pump, and the other ends of the condensing pipes are communicated with the water storage barrel.
Optionally, the tail gas recovery device further comprises a precipitation device detachably arranged in the condensation pipeline, the precipitation device forms a closed precipitation cavity at the bottom of the condensation pipeline, a communication hole is formed in the upper wall surface of the precipitation cavity, and a precipitator is filled in the communication hole;
the condensing device is arranged at the top of the condensing pipeline and is opposite to the communicating hole.
Optionally, the precipitation device comprises:
the separation plate structure is fixedly arranged in the condensation pipeline, the separation plate structure and the bottom wall of the condensation pipeline jointly enclose to form the precipitation cavity, the separation plate structure comprises a first separation plate positioned above the separation plate structure, and the first separation plate is provided with a mounting hole; and the number of the first and second groups,
the bearing plate is detachably mounted in the mounting hole, and the communication hole is formed in the bearing plate.
Optionally, the evaporation device comprises a water tank arranged in the dust filtering pipeline;
the tail gas recovery device also comprises a water storage barrel arranged below the dust filtering pipeline;
still be provided with inlet tube and first return line on the condensation duct, the inlet tube intercommunication the water tank with the sedimentation chamber, first return line intercommunication the sedimentation chamber with the water storage bucket.
Optionally, an exhaust pipe is further arranged on the condensing pipeline corresponding to the precipitation cavity, and the exhaust pipe is communicated with the precipitation cavity and the purification pipeline.
Optionally, the tail gas recovery device further comprises a sealing device, wherein the sealing device comprises a first sealing sleeve, and the first sealing sleeve is arranged between the dust filtering pipeline and the condensation pipeline and used for sealing a matching surface between the dust filtering pipeline and the condensation pipeline; and/or the presence of a gas in the gas,
the tail gas recovery device also comprises a sealing device, wherein the sealing device comprises a second sealing sleeve, and the second sealing sleeve is sleeved between the condensation pipeline and the purification pipeline and is used for sealing a matching surface between the condensation pipeline and the purification pipeline; and/or the presence of a gas in the gas,
the tail gas recovery device further comprises a sealing device, the sealing device comprises a third sealing sleeve, and the third sealing sleeve is arranged between the purification pipeline and the adsorption pipeline and used for sealing a matching surface between the purification pipeline and the adsorption pipeline.
In the technical scheme of the utility model, tail gas enters from the dust filtering pipeline, the filter screen arranged at the inlet of the dust filtering pipeline filters large-particle impurities in the tail gas, after the tail gas enters the dust filtering pipeline, heat in the tail gas is utilized by the evaporation device to generate steam, the steam can be combined with small-particle impurities and dust in the tail gas, the steam combined with the small-particle impurities and the dust enters the condensation pipeline along with the tail gas, the condensation pipeline is internally provided with a condensation device which condenses the steam into condensed water to remove the small-particle impurities and the dust in the tail gas, the tail gas enters the purification pipeline after passing through the condensation pipeline, a purification device in the purification pipeline can absorb acid gas in the tail gas, after the tail gas is treated by the purification device, the tail gas enters the adsorption pipeline, and activated carbon fibers arranged in the adsorption pipeline further absorb the waste gas in the tail gas, the tail gas after the processing is retrieved the back and can be recycled, so, utilize the tail gas heat to come for the energy supply of tail gas recovery unit reduces the external energy loss, moreover tail gas recovery unit simple structure, manufacturing cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a tail gas recovery device according to the present invention.
The embodiment of the utility model is illustrated by reference numerals:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Most devices for recovering the existing tail gas have complex structures, and can not realize resource recycling, so that the tail gas treatment cost is overhigh.
In view of this, the present invention provides a tail gas recycling device. Fig. 1 is a diagram illustrating an embodiment of a tail gas recycling device according to the present invention.
Referring to fig. 1, the present invention provides a tail gas recovery device 100, where the tail gas recovery device 100 includes a recovery pipeline structure, the recovery pipeline structure includes a dust filtering pipeline 1, a condensing pipeline 2, a purifying pipeline 3 and an adsorbing pipeline 4 which are sequentially communicated, where the dust filtering pipeline 1 is provided with a filter screen 11 and an evaporation device 12, and the evaporation device 12 is used to form water vapor which can be combined with dust in tail gas entering the dust filtering pipeline 1; a condensing device 25 is arranged in the condensing pipeline 2, and the condensing device 25 is used for cooling the water vapor entering the condensing pipeline 2 into condensed water; a purification device 31 is arranged in the purification pipeline 3 and used for absorbing acid gas in the tail gas entering the purification pipeline 3; the adsorption pipeline 4 is filled with activated carbon fibers 41.
In the technical scheme of the utility model, tail gas enters from the dust filtering pipeline 1, the filter screen 11 arranged at the inlet of the dust filtering pipeline 1 filters large particle impurities in the tail gas, after the tail gas enters the dust filtering pipeline 1, heat in the tail gas is utilized by the evaporation device 12 to generate steam, the steam can be combined with small particle impurities and dust in the tail gas, the steam combined with the small particle impurities and the dust enters the condensation pipeline 2 along with the tail gas, the condensation pipeline 2 is internally provided with the condensation device 25, the condensation device 25 condenses the steam into condensed water, the small particle impurities and the dust in the tail gas are removed, the tail gas enters the purification pipeline 3 after passing through the condensation pipeline 2, the purification device 31 in the purification pipeline 3 can absorb acid gas in the tail gas, and after being processed by the purification device 31, the tail gas enters the adsorption pipeline 4, set up in the waste gas in the tail gas is further absorbed to activated carbon fiber 41 in the adsorption pipeline 4, and the tail gas through the processing can be recycled after being retrieved, so, utilize the tail gas heat to come for tail gas recovery unit 100 energy supplies reduces the external energy loss, moreover tail gas recovery unit 100 simple structure, manufacturing cost is lower.
Specifically, evaporation plant 12 is including locating water tank 121 in the dirt pipeline 1 strains, and tail gas gets into after dirt pipeline 1 strains, the water heating in water tank 121 is produced vapor to the heat in the tail gas, and vapor can combine with tiny particle impurity and the dust in the tail gas, realizes the absorption of tiny particle impurity and dust, purifies tail gas.
Specifically, the tail gas recovery device 100 is further provided with a water storage barrel 5 and a water pump 6, the water storage barrel 5 is arranged below the dust filtering pipeline 1, the water pump 6 is arranged above the dust filtering pipeline 1, a water inlet of the water pump 6 is communicated with the water storage barrel 5, a water outlet of the water pump 6 is communicated with the water tank 121, the water pump 6 is used for pumping a water source in the water storage barrel 5 out and then sending the water source to the water tank 121, so that a water flow loop is formed among the water tank 121, the water storage barrel 5 and the water pump 6, and water in the water storage barrel 5 can be recycled.
It should be noted that the evaporation apparatus 12 further includes an auxiliary heating device 122 disposed at the bottom of the water tank 121, and when the exhaust gas is too small to heat the water in the water tank 121, the auxiliary heating device 122 is configured to heat the water in the water tank 121, so that the small exhaust gas can be purified in the dust filtering pipeline 1.
The specific form of the condensing device 25 is not limited, and the condensing device 25 can be set as an absorption refrigerator which absorbs the residual heat of the tail gas for refrigeration and condenses the water vapor into condensed water; in this embodiment, the condensing device 25 includes a plurality of condensing pipes 251 disposed in the condensing pipe 2 at intervals along the length direction of the condensing pipe 2, and after the water vapor enters the condensing pipe 2 along with the tail gas, the water vapor hits the plurality of condensing pipes 251 and is condensed by the condensing pipes 251 to form condensed water attached to the outer side walls of the condensing pipes 251, so as to remove small particle impurities and dust in the tail gas.
Specifically, a water pump 6 is arranged above the dust filtering pipeline 1, and a water storage barrel 5 is arranged below the dust filtering pipeline 1; the condensing device 25 comprises a plurality of condensing pipes 251 arranged in the condensing pipeline 2 at intervals along the length direction of the condensing pipeline 2, one ends of the condensing pipes 251 are all communicated with a water outlet of the water pump 6, the other ends of the condensing pipes are all communicated with the water storage barrel 5, after the water pump 6 pumps out a water source in the water storage barrel 5, the water source is sent to the condensing device 25 to fill the condensing pipes 251 with water so as to condense the water vapor, and the other ends of the condensing pipes 251 are communicated with the water storage barrel 5, so that a water flow loop is formed among the condensing pipes 251, the water storage barrel 5 and the water pump 6, and the water in the water storage barrel 5 can be recycled.
In order to purify condensed water generated after water vapor is condensed, the tail gas recovery device 100 is further provided with a precipitation device 26, the precipitation device 26 is detachably arranged in the condensation pipeline 2, the precipitation device 26 forms a closed precipitation cavity 261 at the bottom of the condensation pipeline 2, a communication hole 2631 is formed in the upper wall surface of the precipitation cavity 261, and a precipitator is filled in the communication hole 2631; the condensing unit 25 is disposed on the top of the condensing pipe 2 and directly faces the communication hole 2631, the water vapor hits the plurality of condensing pipes 251 and is condensed by the condensing pipes 251 to form condensed water attached to the outer side walls of the condensing pipes 251, the condensed water drops onto the precipitation unit 26 along the outer side walls of the condensing pipes 251, the condensed water flows into the precipitation chamber 261 through the communication hole 2631, and the precipitant disposed in the communication hole 2631 is melted by the condensed water and enters the precipitation chamber 261 along with the condensed water to precipitate impurities and dust in the condensed water.
Specifically, the settling device 26 includes a blocking plate structure 262 and a carrying plate 263, the blocking plate structure 262 is fixedly installed in the condensation duct 2, the blocking plate structure 262 and the bottom wall of the condensation duct 2 together enclose to form the settling cavity 261, the blocking plate structure 262 includes a first blocking plate located above, and the first blocking plate is provided with a mounting hole; the bearing plate 263 is detachably mounted in the mounting hole, and the communication hole 2631 is formed in the bearing plate 263, so that an operator can replace the bearing plate 263 after the precipitant is used up, and the purification quality is ensured.
Be provided with water tank 121 in the dirt pipeline 1, the below of dirt pipeline 1 is provided with water storage bucket 5, in order to retrieve and utilize the comdenstion water that produces after the vapor condensation, still be provided with inlet tube 21 and first return tube 22 on the condenser pipe 2, inlet tube 21 intercommunication water tank 121 with precipitation chamber 261, first return tube 22 intercommunication precipitation chamber 261 with water storage bucket 5, hot water in the water tank 121 can fill up precipitation chamber 261 melts the precipitant when the comdenstion water that produces is less, guarantees the purification quality, and water in the precipitation chamber 261 is from after the precipitation treatment first return tube 22 flows back to water storage bucket 5 realizes the recycle of comdenstion water.
In order to realize the water inlet loop of the condensation pipes 251, a plurality of condensation pipes 251 are communicated, a second return pipe 23 is arranged between one of the condensation pipes 251 and the water storage barrel 5, one end of the second return pipe 23 is connected with the condensation pipe 251, and the other end is connected with the first return pipe 22, so that a water flow loop is formed among the condensation pipe 251, the water storage barrel 5 and the water pump 6, and the water in the water storage barrel 5 can be recycled.
It should be noted that when the condensed water enters the deposition chamber 261 through the communication hole 2631, a small amount of tail gas enters the deposition chamber 261 along with the condensed water, in order to remove the tail gas in the deposition chamber 261, an exhaust pipe 24 is further disposed on the condensation pipeline 2 corresponding to the deposition chamber 261, and the exhaust pipe 24 communicates the deposition chamber 261 and the purification pipeline 3, so as to conveniently discharge the tail gas in the deposition chamber 261 to the purification pipeline 3.
Referring to fig. 1, the purification apparatus 31 includes a purification cylinder disposed in the purification pipeline 3, the purification cylinder is filled with an absorption solvent 32, and the tail gas enters the purification pipeline 3 and is guided into the purification cylinder to react with the absorption solvent 32 in the purification cylinder to remove the acid gas.
Specifically, the present invention does not limit the specific form of the absorption solvent 32, and may be a physical absorption solvent 32, such as polyglycol ether or N-methyl or propylene carbonate or tributyl phosphate; it can also be a chemical absorption solvent 32, such as a weakly basic solvent, and in the present invention, the absorption solvent 32 is configured as a chemical-physical combined absorption solvent 32, such as a combined absorption solvent 32 of sulfolane and diisopropanolamine or a combined absorption solvent 32 of sulfolane and methyldiethanolamine, so that the treated tail gas has a low acid gas content.
In the present invention, the tail gas recovery device 100 further includes a sealing device, the sealing device includes a first sealing sleeve 7, and the first sealing sleeve 7 is disposed between the dust filtering pipeline 1 and the condensing pipeline 2, and is configured to seal a matching surface between the dust filtering pipeline 1 and the condensing pipeline 2, so as to ensure the sealing performance of the tail gas recovery device 100.
In the present invention, the tail gas recovery device 100 further includes a sealing device, the sealing device includes a second sealing sleeve 8, and the second sealing sleeve 8 is disposed between the condensation duct 2 and the purification duct 3, and is configured to seal a matching surface between the condensation duct 2 and the purification duct 3, so as to ensure the sealing performance of the tail gas recovery device 100.
In the present invention, the tail gas recovery device 100 further includes a sealing device, the sealing device includes a third sealing sleeve 9, and the third sealing sleeve 9 is disposed between the purification pipeline 3 and the adsorption pipeline 4, and is configured to seal a matching surface between the purification pipeline 3 and the adsorption pipeline 4, so as to ensure the sealing performance of the tail gas recovery device 100.
It should be noted that, in the three features, the first sealing sleeve 7, the second sealing sleeve 8 and the third sealing sleeve 9 may be alternatively, alternatively or simultaneously disposed, and in this embodiment, the first sealing sleeve 7, the second sealing sleeve 8 and the third sealing sleeve 9 are simultaneously disposed, so as to ensure the sealing performance of the exhaust gas recovery device 100.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a tail gas recovery device, its characterized in that, includes the recovery pipeline structure, the recovery pipeline structure is including the dirt filtering pipeline, condensation duct, purifying duct and the adsorption pipeline that communicate in proper order, wherein:
the dust filtering pipeline is provided with a filter screen and an evaporation device, and the evaporation device is used for forming water vapor which can be combined with dust in tail gas entering the dust filtering pipeline;
a condensing device is arranged in the condensing pipeline and is used for cooling the water vapor entering the condensing pipeline into condensed water;
the purification pipeline is internally provided with a purification device used for absorbing acid gas in tail gas entering the purification pipeline;
and activated carbon fibers are filled in the adsorption pipeline.
2. The exhaust gas recovery device according to claim 1, wherein the evaporation device comprises a water tank disposed in the dust filtration pipeline.
3. The exhaust gas recovery device according to claim 2, wherein the evaporation device further comprises an auxiliary heating device disposed at the bottom of the water tank for heating the water in the water tank.
4. The tail gas recovery device of claim 2, further comprising a water storage barrel arranged below the dust filtering pipeline and a water pump arranged above the dust filtering pipeline, wherein a water inlet of the water pump is communicated with the water storage barrel, and a water outlet of the water pump is communicated with the water tank.
5. The tail gas recovery device of claim 1, further comprising a water pump disposed above the dust filter pipeline and a water storage bucket disposed below the dust filter pipeline;
the condensing unit comprises a plurality of condensing pipes arranged in the condensing pipeline at intervals along the length direction of the condensing pipeline, one ends of the condensing pipes are communicated with the water outlet of the water pump, and the other ends of the condensing pipes are communicated with the water storage barrel.
6. The tail gas recovery device according to claim 1, further comprising a precipitation device detachably disposed in the condensation pipeline, wherein the precipitation device forms a closed precipitation chamber at the bottom of the condensation pipeline, the upper wall surface of the precipitation chamber is provided with a communication hole, and a precipitator is filled in the communication hole;
the condensing device is arranged at the top of the condensing pipeline and is opposite to the communicating hole.
7. The tail gas recovery device of claim 6, wherein the precipitation device comprises:
the separation plate structure is fixedly arranged in the condensation pipeline, the separation plate structure and the bottom wall of the condensation pipeline jointly enclose to form the precipitation cavity, the separation plate structure comprises a first separation plate positioned above the separation plate structure, and the first separation plate is provided with a mounting hole; and the number of the first and second groups,
the bearing plate is detachably mounted in the mounting hole, and the communication hole is formed in the bearing plate.
8. The exhaust gas recovery device according to claim 6, wherein the evaporation device comprises a water tank disposed in the dust filtration pipeline;
the tail gas recovery device also comprises a water storage barrel arranged below the dust filtering pipeline;
still be provided with inlet tube and first return line on the condensation duct, the inlet tube intercommunication the water tank with the sedimentation chamber, first return line intercommunication the sedimentation chamber with the water storage bucket.
9. The tail gas recovery device according to claim 6, wherein an exhaust pipe is further arranged on the condensation pipeline corresponding to the precipitation cavity, and the exhaust pipe is communicated with the precipitation cavity and the purification pipeline.
10. The exhaust gas recovery device according to claim 1, further comprising a sealing device, wherein the sealing device comprises a first sealing sleeve, and the first sealing sleeve is disposed between the dust filtering pipeline and the condensing pipeline to seal a matching surface between the dust filtering pipeline and the condensing pipeline; and/or the presence of a gas in the gas,
the tail gas recovery device also comprises a sealing device, wherein the sealing device comprises a second sealing sleeve, and the second sealing sleeve is sleeved between the condensation pipeline and the purification pipeline and is used for sealing a matching surface between the condensation pipeline and the purification pipeline; and/or the presence of a gas in the gas,
the tail gas recovery device further comprises a sealing device, the sealing device comprises a third sealing sleeve, and the third sealing sleeve is arranged between the purification pipeline and the adsorption pipeline and used for sealing a matching surface between the purification pipeline and the adsorption pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120890464.XU CN216295646U (en) | 2021-04-27 | 2021-04-27 | Tail gas recovery device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120890464.XU CN216295646U (en) | 2021-04-27 | 2021-04-27 | Tail gas recovery device |
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| CN216295646U true CN216295646U (en) | 2022-04-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116395642A (en) * | 2023-03-24 | 2023-07-07 | 长沙莲湖乙炔有限公司 | Oxygen supply device |
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2021
- 2021-04-27 CN CN202120890464.XU patent/CN216295646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116395642A (en) * | 2023-03-24 | 2023-07-07 | 长沙莲湖乙炔有限公司 | Oxygen supply device |
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