CN209968054U - Absorbing device of pitch flue gas - Google Patents
Absorbing device of pitch flue gas Download PDFInfo
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- CN209968054U CN209968054U CN201920619188.6U CN201920619188U CN209968054U CN 209968054 U CN209968054 U CN 209968054U CN 201920619188 U CN201920619188 U CN 201920619188U CN 209968054 U CN209968054 U CN 209968054U
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- flue gas
- absorption tower
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- asphalt
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Abstract
The utility model relates to the technical field of coal chemical production, and discloses an asphalt flue gas absorption device, which solves the problem that the asphalt flue gas generated in the asphalt forming process is not easy to be absorbed and processed; the device comprises a forming chain plate machine, an absorption tower and an active carbon adsorption tank, wherein the forming chain plate machine is provided with a shielding case, the shielding case is connected with an inlet at the bottom of the absorption tower through a first pipeline, a first induced draft fan is arranged on the first pipeline, an air outlet at the top of the absorption tower is connected with the active carbon adsorption tank through a second pipeline, an air outlet of the active carbon adsorption tank is connected with a second induced draft fan, and the absorption tower is a spraying countercurrent adsorption tower; the utility model adopts two-stage treatment of absorption method and adsorption method, which makes the treated asphalt smoke reach the standard and be discharged, thus achieving the purposes of improving the working environment of the staff and reducing the environmental pollution; meanwhile, the washed absorption liquid is recycled, so that the secondary pollution in the flue gas treatment process is avoided.
Description
Technical Field
The utility model relates to a coal chemical production technical field especially relates to a flue gas processing apparatus of modification pitch shaping process.
Background
The asphalt smoke is a mixed smoke mainly comprising asphalt and including coal, petroleum and other dyes dissipated into the environment at high temperature, and the components are very complex. Not only contains organic matters in a steam state, but also contains fine volatile condensate, which has harmful effect on human health and can cause environmental pollution.
Asphalt smoke generated in the asphalt forming process cannot directly enter a tail gas system, and a single absorption method has the defects of secondary pollution and low purification efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a flue gas absorption and treatment device for the modified asphalt forming process; the problem of the difficult absorption of the pitch flue gas that produces of pitch shaping process is handled, and then harm environment and health is solved.
The utility model discloses a realize through following technical scheme.
The utility model provides an absorbing device of pitch flue gas, includes shaping chain trigger, absorption tower and active carbon adsorption groove, shaping chain trigger be provided with the cage, the cage through first pipeline with absorption tower bottom entry be connected, first pipeline on be provided with first draught fan, the gas outlet at absorption tower top pass through the second pipeline with active carbon adsorption groove connect, active carbon adsorption groove's gas vent be connected with the second draught fan, the absorption tower for spraying countercurrent adsorption tower.
The structure of further optimization also comprises an oil separation tank, a waste liquid outlet of the absorption tower is connected with the oil separation tank, and an oil outlet of the oil separation tank is connected with a spraying inlet of the absorption tower through a third pipeline.
In a further preferable structure, the third pipeline is provided with an oil washing circulating pump.
In a further preferable structure, a water outlet of the oil separation tank is connected with a turbid water tank arranged at the lower end of the forming chain plate machine.
The utility model discloses an "absorption-absorption" secondary treatment method, the concrete implementation step is:
1) modified asphalt flue gas at a forming chain plate machine is collected, mainly by adding an isolation cover at the forming chain plate machine and collecting the asphalt flue gas at the chain plate machine by using an induced draft fan.
2) Washing oil is used as an absorbent to remove toxic components in the smoke; the absorption tower is used as an absorption treatment device, a spraying countercurrent washing mode is adopted, and the washing oil is used as an absorbent to treat the asphalt smoke.
3) The adsorption device adopts a fixed bed active carbon adsorption tank; and taking the activated carbon as an adsorbent to physically adsorb the washed flue gas.
4) The washed waste liquid is layered by an oil separation tank and then treated; and pumping the lower layer washing oil after the layering treatment into an absorption tower through a washing oil circulating pump for recycling, and feeding the upper layer water into an asphalt molding turbid water tank for recycling.
5) The gas after the two-stage treatment can be directly discharged through a second induced draft fan.
This device adopts the washing oil as the absorbent, makes the mixed flue gas of pitch cigarette contact with the absorbent countercurrent and washed in the absorption tower, and the flue gas after the washing reuses active carbon as the absorbent and adsorbs, realizes the secondary treatment, reaches improvement staff's operational environment, reduces the purpose to environmental pollution.
The utility model discloses produced beneficial effect does for prior art.
The utility model discloses an absorption method and absorption method two-stage processing, the pitch flue gas discharge to reach standard after making the processing has carried out recovery processing to the absorption liquid after the washing simultaneously and has recycled, has solved the secondary pollution among the flue gas treatment process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is shaping chain trigger, 2 is the absorption tower, 3 is the active carbon adsorption groove, 4 is the cage, 5 is first pipeline, 6 is first draught fan, 7 is the second pipeline, 8 is the second draught fan, 9 is the oil interceptor, 10 is the third pipeline, 11 is the washing oil circulating pump, 12 is turbid pond.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in fig. 1, the asphalt flue gas absorption device comprises a forming chain plate machine 1, an absorption tower 2, an activated carbon adsorption tank 3 and an oil separation tank 9, wherein the forming chain plate machine 1 is provided with an isolation cover 4, the isolation cover 4 is connected with an inlet at the bottom of the absorption tower 2 through a first pipeline 5, a first induced draft fan 6 is arranged on the first pipeline 5, a gas outlet at the top of the absorption tower 2 is connected with the activated carbon adsorption tank 3 through a second pipeline 7, a gas outlet of the activated carbon adsorption tank 3 is connected with a second induced draft fan 8, and the absorption tower 2 is a spraying countercurrent absorption tower. The waste liquid outlet of the absorption tower 2 is connected with an oil separation tank 9, the oil outlet of the oil separation tank 9 is connected with the spraying inlet of the absorption tower 2 through a third pipeline 10, a washing oil circulating pump 11 is arranged on the third pipeline 10, and the water outlet of the oil separation tank 9 is connected with a turbid water tank 12 arranged at the lower end of the forming chain plate machine 1.
The specific implementation steps are as follows: modified asphalt flue gas at the forming chain plate machine 1 is collected, and the modified asphalt flue gas at the forming chain plate machine 1 is mainly collected by adding an isolation cover 4 at the forming chain plate machine 1 and using a first induced draft fan 6. The absorption tower 2 is used as an absorption treatment device, asphalt flue gas is introduced, and the asphalt flue gas is treated by adopting a spraying countercurrent washing mode and washing oil as an absorbent. The flue gas after being sprayed and absorbed further enters an activated carbon adsorption tank 3, and the washed flue gas is physically adsorbed by taking activated carbon as an adsorbent. The washed waste liquid is processed after layering by an oil separation tank 9; the lower layer washing oil after the layering treatment is pumped into an absorption tower 2 by a washing oil circulating pump 11 for recycling, and the upper layer water enters a turbid water pool 12 for asphalt forming for recycling. The gas after the two-stage treatment can be directly discharged through a second induced draft fan 8.
This device adopts the wash oil as the absorbent, makes the mixed flue gas of pitch cigarette contact against the current with the absorbent in the absorption tower and by the washing, and the flue gas after the washing reuses the active carbon and adsorbs as the adsorbent, the utility model discloses an absorption method and absorption method two-stage are handled, make the pitch flue gas discharge to reach standard after handling, reach and improve staff's operation environment, reduce the purpose to environmental pollution. Meanwhile, the washed absorption liquid is recycled, so that the secondary pollution in the flue gas treatment process is avoided.
The above description is for further details of the present invention with reference to specific preferred embodiments, and it should not be understood that the embodiments of the present invention are limited thereto, and it will be apparent to those skilled in the art that the present invention can be implemented in a plurality of simple deductions or substitutions without departing from the scope of the present invention, and all such alterations and substitutions should be considered as belonging to the present invention, which is defined by the appended claims.
Claims (4)
1. The utility model provides an absorbing device of pitch flue gas, its characterized in that, includes shaping chain trigger (1), absorption tower (2) and active carbon adsorption tank (3), shaping chain trigger (1) be provided with cage (4), cage (4) through first pipeline (5) with absorption tower (2) bottom entry be connected, first pipeline (5) on be provided with first draught fan (6), the gas outlet at absorption tower (2) top pass through second pipeline (7) with active carbon adsorption tank (3) be connected, the gas vent of active carbon adsorption tank (3) be connected with second draught fan (8), absorption tower (2) for spraying countercurrent adsorption tower.
2. The asphalt flue gas absorption device according to claim 1, further comprising an oil separation tank (9), wherein a waste liquid outlet of the absorption tower (2) is connected with the oil separation tank (9), and an oil outlet of the oil separation tank (9) is connected with a spraying inlet of the absorption tower (2) through a third pipeline (10).
3. An asphalt flue gas absorption device according to claim 2, wherein the third pipeline (10) is provided with a washing oil circulating pump (11).
4. An asphalt flue gas absorption device according to claim 2, wherein the water outlet of the oil separation tank (9) is connected with a turbid water tank (12) arranged at the lower end of the forming chain plate machine (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619188.6U CN209968054U (en) | 2019-04-30 | 2019-04-30 | Absorbing device of pitch flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920619188.6U CN209968054U (en) | 2019-04-30 | 2019-04-30 | Absorbing device of pitch flue gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209968054U true CN209968054U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920619188.6U Active CN209968054U (en) | 2019-04-30 | 2019-04-30 | Absorbing device of pitch flue gas |
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| CN (1) | CN209968054U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058027A (en) * | 2020-09-09 | 2020-12-11 | 山东交通学院 | Device and method for collecting and purifying asphalt smoke on site |
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2019
- 2019-04-30 CN CN201920619188.6U patent/CN209968054U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112058027A (en) * | 2020-09-09 | 2020-12-11 | 山东交通学院 | Device and method for collecting and purifying asphalt smoke on site |
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