CN204911208U - Pitch production process flue gas recovery unit - Google Patents
Pitch production process flue gas recovery unit Download PDFInfo
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- CN204911208U CN204911208U CN201520682246.1U CN201520682246U CN204911208U CN 204911208 U CN204911208 U CN 204911208U CN 201520682246 U CN201520682246 U CN 201520682246U CN 204911208 U CN204911208 U CN 204911208U
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- tower
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- flue gas
- treatment tower
- condensing
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Abstract
Pitch production process flue gas recovery unit belongs to the gas cleaning field, and aim at solves the partial material that exists and is difficult to to get rid of, with high costs and easily cause secondary pollution's problem among the prior art. The utility model discloses a: the condensing tower, the condensing tower bottom is connected with the tank field through total pipeline, and each jar is provided with pneumatic valve by pipeline connection between physically in the tank field on every jar siphuncle line, the acid cure tower, draught fan and pipeline connection are passed through with the condensing tower top in acid cure tower bottom, the oil gas treating column, pipeline connection is passed through with the condensing tower top in oil gas treating column bottom, the adsorption tower, pipeline connection is passed through with oil gas treating column top in the adsorption tower bottom, and pressure regulating unit, pressure regulating unit pass through the pipeline respectively with the tank field in the pneumatic valve be connected, acid chemical combination is clear away through condensing tower separates on cooling dust, debris and grease, rethread acid cure tower to pending flue gas, loops through oil gas treating column and adsorption tower again, gets rid of organic composition and harmful gas.
Description
Technical field
The utility model belongs to filed of flue gas purification, is specifically related to a kind of asphalt production process flue gas recovery device.
Background technology
Along with country is to the attention of environmental protection occupational health, the flue gas that asphalt production produces also becomes the emphasis of asphalt industry technological transformation.In current traditional asphalt industry, the method for smoke treatment is adsorption combustion method, the method is the universal method solving fume emission in industry, see accompanying drawing 1, the device that adsorption combustion method adopts comprises combustion tower 1 and adsorption tower 2, gas is introduced after adsorption tower 2 filters, introduce combustion tower 1 again, light rear direct high altitude discharge, but the method is only effective for imflammable gas, for the dioxin carcinogen produced in asphalt production, then must increase ignition temperature and time, otherwise be difficult to get rid of, another shortcoming then incomplete combustion of burning, create secondary pollution, as oxysulfide, the possibility that insufficient easy generation of burning in addition is exploded, harm property and life.In addition because the dust that contains in bitumen flue gas and organic liquid very easily cause adsorbent to lose efficacy, the method needs often to change a large amount of adsorbent, and cost is high, and the carcinogenic class nuisance of part is difficult to get rid of, and cannot meet national environmental standard.
Utility model content
The purpose of this utility model is to propose a kind of asphalt production process flue gas recovery device, solves in prior art that the moieties existed is difficult to get rid of, cost is high and easily causes the problem of secondary pollution.
For achieving the above object, asphalt production process flue gas recovery device of the present utility model comprises:
Condensing tower, described condensing tower inside is condenser, described condensing tower bottom is connected with tank field by main pipe line, connected by pipeline between each tank body in tank field, each tank body pipeline is provided with operated pneumatic valve, described condensing tower bottom is provided with opening, and described opening opposite position is provided with hydrops groove;
Acidic treatment tower, is provided with industrial alkali liquid in described acidic treatment tower, and acidic treatment tower bottom is connected by air-introduced machine and pipeline with condensing tower top;
Oil vapor treatment tower, is provided with adsorbed oil in described oil vapor treatment tower, and oil vapor treatment tower bottom is connected by pipeline with condensing tower top;
Adsorption tower, is provided with active carbon in described adsorption tower, and adsorption tower bottom is connected by pipeline with oil vapor treatment tower top end;
And pressure regulating unit, described pressure regulating unit is connected with operated pneumatic valve on each tank body in tank field respectively by pipeline, pending flue gas is through condensing tower refrigerated separation dust, foreign material and grease, acid chemical combination is removed again by acidic treatment tower, again successively by oil vapor treatment tower and adsorption tower, remove organic component and pernicious gas.
Described flue gas recovery device also comprises circulating pump, acidic treatment tower and oil vapor treatment tower are connected by pipeline with a circulating pump respectively, the pipeline that acidic treatment tower is connected with circulating pump with oil vapor treatment tower is provided with filter, condensing tower lower curtate arranges air-introduced machine and is connected with tank field main pipe line, and top exit pipeline installing air-introduced machine is connected with acidic treatment tower.
Described flue gas recovery device also comprises tank body switch cubicle, circuit switching cabinet and master control switch cubicle; Tank body switch cubicle is the power switch of all operated pneumatic valves in tank field, and circuit switching cabinet is the circulating pump power switch of acidic treatment tower and oil vapor treatment tower, and master control switch cubicle is air-introduced machine frequency conversion switch and total power switch.
Described pressure regulating unit comprises air compressor, air accumulator and electronic drainage device; Air compressor is connected with described air accumulator, and described air accumulator is connected with described electronic drainage device, and described electronic drainage device is connected with operated pneumatic valve on each tank body in tank field respectively by pipeline.
Described hydrops groove is connected with a tank body in tank field with pump by pipeline, and described hydrops groove exit is provided with hydrops groove cover plate.
In described acidic treatment tower, alkali lye is sent forth with mist, and in described oil vapor treatment tower, organic solvent is sent forth with mist.
The beneficial effects of the utility model are: asphalt production process flue gas recovery device of the present utility model sets according to the component difference of the flue gas produced in asphalt production, adopt filtration system step by step, bitumen flue gas is categorized as dust, benzene compound, organic oil content, hydrogen sulphide mixtures, device is set as first refrigerated separation dust and foreign material, logical alkali removing acid compound filters out again, again by organic dissolution with solvents, absorb finally by activated carbon, harmless discharge.The dirt produced in running is removed in the lump by minifilters, and the fluid oil through the accumulation of hydrops groove pumps into production line again, recycles.
Asphalt production process flue gas recovery device of the present utility model in order to can effective and reasonable solution pitch capable in the flue gas that produces, in order to stop the flue gas of secondary pollution, safe and reasonable discharge, the advantage in industry is drawn in summing up experience, redesign, existing flue gas recovery device is transformed, reach tasteless harmless emission, and profit is hoped for success, this is minimum, runs simple.
In acidic treatment tower of the present utility model and oil vapor treatment tower, vaporific shower is set, thoroughly can falls harmful substance in gas by effective classified filtering, reach discharge standard.Be provided with hydrops groove below condensing tower simultaneously, other industry be recycled or be used for the liquid after gas-liquid simple separation can, cost-saving.Every grade of pipeline is set up and contemplates small-sized filter, the extension fixture life-span, effective eliminating impurities and gas, increasing action effect.
Accompanying drawing explanation
Fig. 1 is flue gas recovery device structural representation of the prior art;
Fig. 2 is asphalt production process flue gas recovery device structural front view of the present utility model;
Fig. 3 is asphalt production process flue gas recovery device structure top view of the present utility model;
Wherein: 1, combustion tower, 2, adsorption tower, 3, oil vapor treatment tower, 4, acidic treatment tower, 5, air-introduced machine, 6, circulating pump, 7, tank body switch cubicle, 8, circuit switching cabinet, 9, master control switch cubicle, 10, air compressor, 11, air accumulator, 12, electronic drainage device, 13, condensing tower, 14, tank field, 15, hydrops groove cover plate, 16, filter.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
See accompanying drawing 2 and accompanying drawing 3, asphalt production process flue gas recovery device of the present utility model comprises:
Condensing tower 13, described condensing tower 13 inside is condenser, inner is enclosed water cycling cooling, and fibrous filter net, and described condensing tower 13 bottom is connected with the tank body in tank field 14 by main pipe line, pipeline between each tank body of tank field is provided with operated pneumatic valve, when processing different tank body, selected by tank body switch cubicle 7, open corresponding operated pneumatic valve, described condensing tower 13 bottom is provided with opening, and described opening opposite position is provided with hydrops groove;
Acidic treatment tower 4, is provided with 1-2 ton industrial alkali liquid in described acidic treatment tower 4, acidic treatment tower 4 bottom is connected by air-introduced machine 5 and pipeline with condensing tower 13 top; Air-introduced machine 5 between described condensing tower 13 and acidic treatment tower 4 is also connected with circulating pump 6;
Oil vapor treatment tower 3, is provided with 1-2 ton adsorbed oil in described oil vapor treatment tower 3, oil vapor treatment tower 3 bottom is connected by pipeline with condensing tower 13 top;
Adsorption tower 2, is provided with active carbon in described adsorption tower 2, and adsorption tower 2 bottom is connected by pipeline with oil vapor treatment tower 3 top;
And pressure regulating unit, described pressure regulating unit is connected with each operated pneumatic valve in tank field 14 respectively by pipeline;
Pending flue gas through condensing tower 13 refrigerated separation dust and foreign material, then removes acid chemical combination by acidic treatment tower 4, more successively by oil vapor treatment tower 3 and adsorption tower 2, removes organic component and pernicious gas.
Described flue gas recovery device also comprises circulating pump 6, acidic treatment tower 4 and oil vapor treatment tower 3 are connected by pipeline with a circulating pump 6 respectively, the pipeline that acidic treatment tower 4 is connected with circulating pump 6 with oil vapor treatment tower 3 is provided with filter 16, and bottom condensing tower 13, top is connected with air-introduced machine 5 respectively by pipeline.Described air-introduced machine 5 is connected with motor, provides power by motor.
Described flue gas recovery device also comprises tank body switch cubicle 7, circuit switching cabinet 8 and master control switch cubicle 9; Tank body switch cubicle 7 is power switches of all operated pneumatic valves in tank field 14, and circuit switching cabinet 8 is circulating pump 6 power switches of condensing tower 13, acidic treatment tower 4 and oil vapor treatment tower 3, and master control switch cubicle 9 is air-introduced machine 5 frequency conversion switch and total power switch.
Described pressure regulating unit comprises air compressor 10, air accumulator 11 and electronic drainage device 12; Air compressor 10 is connected with described air accumulator 11, and described air accumulator 11 is connected with described electronic drainage device 12, and described electronic drainage device 12 is connected with each operated pneumatic valve in tank field 14 respectively by pipeline; Controlled by described pressure regulating unit each pipeline valve to tank field smoke treatment.Described hydrops groove is arranged on underground, and described hydrops groove is connected with the tank body of specifying in tank field 14 by pipeline, sends the liquid of collection back to production line and carries out recycling, and described hydrops groove exit is provided with hydrops groove cover plate 15.
In described acidic treatment tower 4, alkali lye is sent forth with mist.In described oil vapor treatment tower 3, organic solvent is sent forth with mist.
The utility model before production process half an hour starting drive, open general supply, the pipeline valve that gas corresponding in tank body switch cubicle 7 reclaims is opened after air compressor work 10min, and open acidic treatment tower 4 successively, oil vapor treatment tower 3 and circulating pump 6, open air-introduced machine 5 and regulate frequency conversion, generally be set as 30-48HZ in process of production, exhaust gas volumn adjustment frequency conversion value can be produced according to production, frequency conversion number need be strengthened when producing flue gas and producing more pitch, after production terminates in half an hour by VFC at 20-30HZ, running can be out of service after two hours.Air-introduced machine 5 frequency conversion is closed to zero, closes circulating pump 6, operated pneumatic valve successively, close general supply.
In running, gas is under air-introduced machine 5 acts on, and first flue gas enters condenser circulating line, dust in simple separation flue gas, impurity, a part is dropped into hydrops groove in liquid form, and this hydrops groove is connected with production line, by the oil content reusable edible after recovery to asphalt production line.Then flue gas sends into acidic treatment tower 4 along with air-introduced machine 5, sends alkali lye forth, filter out the acid poisonous gas such as the sulfide in gas in acidic treatment tower 4 with vaporific shape.Flue gas successively by oil vapor treatment tower 3 and adsorption tower 2, filters out the organic component in gas and pernicious gas, last qualified high altitude discharge again.
Claims (6)
1. asphalt production process flue gas recovery device, is characterized in that, comprising:
Condensing tower (13), described condensing tower (13) inside is condenser, described condensing tower (13) bottom is connected with tank field (14) by main pipe line, connected by pipeline between each tank body in tank field (14), each tank body pipeline is provided with operated pneumatic valve, described condensing tower (13) bottom is provided with opening, and described opening opposite position is provided with hydrops groove;
Acidic treatment tower (4), be provided with industrial alkali liquid in described acidic treatment tower (4), acidic treatment tower (4) bottom is connected by air-introduced machine (5) and pipeline with condensing tower (13) top;
Oil vapor treatment tower (3), be provided with adsorbed oil in described oil vapor treatment tower (3), oil vapor treatment tower (3) bottom is connected by pipeline with condensing tower (13) top;
Adsorption tower (2), described adsorption tower is provided with active carbon in (2), and adsorption tower (2) bottom is connected by pipeline with oil vapor treatment tower (3) top;
And pressure regulating unit, described pressure regulating unit is connected with operated pneumatic valve on each tank body in tank field (14) respectively by pipeline, pending flue gas is through condensing tower (13) refrigerated separation dust and foreign material, acid chemical combination is removed again by acidic treatment tower (4), again successively by oil vapor treatment tower (3) and adsorption tower (2), remove organic component and pernicious gas.
2. asphalt production process flue gas recovery device according to claim 1, it is characterized in that, described flue gas recovery device also comprises circulating pump (6), acidic treatment tower (4) and oil vapor treatment tower (3) are connected by pipeline with a circulating pump (6) respectively, the pipeline that acidic treatment tower (4) is connected with circulating pump (6) with oil vapor treatment tower (3) is provided with filter (16), condensing tower (13) lower curtate arranges air-introduced machine (5) and is connected with tank field (14) main pipe line, top exit pipeline installing air-introduced machine (5) is connected with acidic treatment tower (4).
3. asphalt production process flue gas recovery device according to claim 2, is characterized in that, described flue gas recovery device also comprises tank body switch cubicle (7), circuit switching cabinet (8) and master control switch cubicle (9); Tank body switch cubicle (7) is the power switch of tank field (14) all operated pneumatic valves, circuit switching cabinet (8) is circulating pump (6) power switch of condensing tower (13), acidic treatment tower (4) and oil vapor treatment tower (3), and master control switch cubicle (9) is air-introduced machine (5) frequency conversion switch and total power switch.
4. asphalt production process flue gas recovery device according to claim 1, is characterized in that, described pressure regulating unit comprises air compressor (10), air accumulator (11) and electronic drainage device (12); Air compressor (10) is connected with described air accumulator (11), described air accumulator (11) is connected with described electronic drainage device (12), and described electronic drainage device (12) is connected with operated pneumatic valve on each tank body in tank field (14) respectively by pipeline.
5. asphalt production process flue gas recovery device according to claim 1, it is characterized in that, described hydrops groove is connected with a tank body in tank field (14) with pump by pipeline, and described hydrops groove exit is provided with hydrops groove cover plate (15).
6. asphalt production process flue gas recovery device according to claim 1, is characterized in that, the interior alkali lye of described acidic treatment tower (4) is sent forth with mist; The interior organic oil of described oil vapor treatment tower (3) falls apart with mist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682246.1U CN204911208U (en) | 2015-09-06 | 2015-09-06 | Pitch production process flue gas recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520682246.1U CN204911208U (en) | 2015-09-06 | 2015-09-06 | Pitch production process flue gas recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204911208U true CN204911208U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520682246.1U Expired - Fee Related CN204911208U (en) | 2015-09-06 | 2015-09-06 | Pitch production process flue gas recovery unit |
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| Country | Link |
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| CN (1) | CN204911208U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536482A (en) * | 2016-01-30 | 2016-05-04 | 山东大山路桥工程有限公司 | Asphalt fume treatment device for asphalt modifying process |
| CN106110858A (en) * | 2016-08-08 | 2016-11-16 | 周其强 | The harmless treatment process of a kind of bitumen flue gas and device thereof |
| CN111957166A (en) * | 2020-09-14 | 2020-11-20 | 镇海石化工程股份有限公司 | High condensation point waste gas recovery device and recovery method |
-
2015
- 2015-09-06 CN CN201520682246.1U patent/CN204911208U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105536482A (en) * | 2016-01-30 | 2016-05-04 | 山东大山路桥工程有限公司 | Asphalt fume treatment device for asphalt modifying process |
| CN106110858A (en) * | 2016-08-08 | 2016-11-16 | 周其强 | The harmless treatment process of a kind of bitumen flue gas and device thereof |
| CN111957166A (en) * | 2020-09-14 | 2020-11-20 | 镇海石化工程股份有限公司 | High condensation point waste gas recovery device and recovery method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |