CN105289164B - Asphalt smoke gas purifying equipment - Google Patents

Asphalt smoke gas purifying equipment Download PDF

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Publication number
CN105289164B
CN105289164B CN201510640041.1A CN201510640041A CN105289164B CN 105289164 B CN105289164 B CN 105289164B CN 201510640041 A CN201510640041 A CN 201510640041A CN 105289164 B CN105289164 B CN 105289164B
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Prior art keywords
flue gas
solvent
area
shower
packing
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CN201510640041.1A
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Chinese (zh)
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CN105289164A (en
Inventor
宋建东
陈永初
吴士慧
唐湘渝
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Beijing Oriental Yuhong Waterproof Technology Co Ltd
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Beijing Oriental Yuhong Waterproof Technology Co Ltd
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Abstract

The present invention relates to environment protection treating technical field, more particularly, to a kind of asphalt smoke gas purifying equipment, including flue gas washing area, the first spray equipment, packing area and the second spray equipment, the solvent for dissolving the tar in bitumen flue gas is respectively arranged with first spray equipment and the second spray equipment, first spray equipment is arranged in flue gas washing area, and the second spray equipment is arranged in packing area;Packing area is arranged on the side in flue gas washing area, and the bottom of packing area is connected with the bottom in flue gas washing area;The top in flue gas washing area is provided with the top of gas approach, packing area and is provided with exhanst gas outlet.A kind of asphalt smoke gas purifying equipment that the present invention is provided, bitumen flue gas with substantial amounts of cleaning solvent contact process, temperature is substantially reduced, and flue gas diffusion velocity slows down;And using the personal cleansing solvent stronger to tarvia adsorptivity as spray medium, tar and particulate matter that can be in effectively catching bitumen flue gas be obvious to the clean-up effect of bitumen flue gas.

Description

Asphalt smoke gas purifying equipment
Technical field
The present invention relates to environment protection treating technical field, more particularly, to a kind of asphalt smoke gas purifying equipment.
Background technology
Modified pitch dispensing and tire base immersion oil during waterproofing membrane production are partially due to temperature is higher, and in material Containing the substantial amounts of powder particles thing such as SBS, a large amount of bitumen flue gas containing tar and particulate matter are inevitably produced, therefore must Air can be just discharged into after must being purified to bitumen flue gas.
Asphalt smoke purification method of the prior art and device, mainly retain the tar in flue gas by using Water spray And particulate matter, assimilation effect is not good enough, and the purification to bitumen flue gas is not thorough.
The content of the invention
It is an object of the invention to provide a kind of asphalt smoke gas purifying equipment, imitated with solving to absorb present in prior art The technical problem such as really not good enough, not thorough to gas cleaning.
A kind of asphalt smoke gas purifying equipment that the present invention is provided, including flue gas washing area and the first spray equipment, the first spray Shower device is arranged in flue gas washing area built with the solvent for dissolving the tar in bitumen flue gas, the first spray equipment, is used In spraying solvent to flue gas washing area, to wash bitumen flue gas.
Further, asphalt smoke gas purifying equipment also includes being provided with more than one packing layer in packing area, packing area; Packing area is arranged on the side in flue gas washing area, and the bottom of packing area is connected with the bottom in flue gas washing area;Flue gas washing area Top is provided with the top of gas approach, packing area and is provided with exhanst gas outlet.
Further, in packing area, between exhanst gas outlet and packing layer, the second spray equipment, the second spray are provided with The solvent for dissolving the tar in bitumen flue gas is also equipped with device, the second spray equipment is used to spray solvent to packing layer.
Further, the first spray equipment includes the first shower, the second shower and solvent tank;The one of first shower End is connected with solvent tank, and one end of the second shower is connected with the first shower;On second shower, extend along the second shower Direction, multiple mouth sprays have been positioned apart from successively.
Further, the second spray equipment includes the 3rd shower and shower nozzle, and one end and the solvent tank of the 3rd shower connect Logical, the other end is connected with shower nozzle.
Further, solution feed pump is additionally provided with solvent tank, the import of solution feed pump is connected with solvent tank, the outlet of solution feed pump Connected with the first shower and the 3rd shower.
Further, the bottom in flue gas washing area is additionally provided with solvent outlet, and solvent outlet is dissolved with tar for discharge Solvent.
Further, flue gas washing area is two.
A kind of asphalt smoke gas purifying equipment that the present invention is provided, bitumen flue gas is contacted in scrubbing section with substantial amounts of cleaning solvent During, temperature is substantially reduced, and flue gas diffusion velocity slows down;And it is molten using the personal cleansing stronger to tarvia adsorptivity Agent is used as the spray medium in flue gas washing area, particulate matter and dissolved tar that can be larger in effectively catching bitumen flue gas, to drip The clean-up effect of blue or green flue gas is obvious.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of asphalt smoke gas purifying equipment provided in an embodiment of the present invention.
Reference:
1- flue gas washings area;11- gas approach;The spray equipments of 2- first;
The showers of 21- first;The showers of 22- second;23- mouth sprays;
3- packing areas;31- exhanst gas outlets;32- packing layers;
The spray equipments of 4- second;The showers of 41- the 3rd;42- shower nozzles;
5- solvent outlets.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ", The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation, With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;Can To be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this Concrete meaning in invention.
Fig. 1 is the structural representation of asphalt smoke gas purifying equipment provided in an embodiment of the present invention.As shown in figure 1, this implementation A kind of asphalt smoke gas purifying equipment that example is provided, including the spray equipment 2 of flue gas washing area 1 and first, the first spray equipment 2 are built-in There is the solvent for dissolving the tar in bitumen flue gas, the first spray equipment 2 is arranged in flue gas washing area 1, for flue gas Scrubbing section 1 sprays solvent, to wash bitumen flue gas.
Wherein, the solvent contained in the first spray equipment 2 selects the personal cleansing oil stronger to tarvia adsorptivity.
On the basis of above-described embodiment, further, asphalt smoke gas purifying equipment also includes in packing area 3, packing area 3 It is provided with more than one packing layer 32;Packing area 3 is arranged on the side in flue gas washing area 1, and bottom and the flue gas of packing area 3 are washed Wash the bottom connection in area 1;The top in flue gas washing area 1 is provided with gas approach 11, and the top of packing area 3 is provided with exhanst gas outlet 31。
Bitumen flue gas is entered after equipment by gas approach 11, sequentially passes through flue gas washing area 1 and packing area 3, then by flue gas Discharge outlet 31;Bitumen flue gas then turns to 180 °, velocity of flue gas is obvious after the washing oil wash in flue gas washing area 1 Reduce, and which part bulky grain thing is directly dissolved in a large amount of washings oil of equipment bottom, then packing area 3 is reached, further Reduce velocity of flue gas, retention tar and particulate matter.
On the basis of above-described embodiment, further, in packing area 3, between exhanst gas outlet 31 and packing layer 32, if It is equipped with the solvent being also equipped with the second spray equipment 4, the second spray equipment 4 for dissolving the tar in bitumen flue gas, the second spray Shower device 4 is used to spray solvent to packing layer 32.
Packing layer 32 takes the mode of dumped packing, filling Pall ring filler, becket intalox saddle etc., in packing layer 32 top sets the second spray equipment 4, the second spray equipment 4 built with the solvent for dissolving the tar in bitumen flue gas, Bitumen flue gas meeting and reverse and go through the descending washing oil of packing layer 32 when by packing area 3, it is tiny during contacting with each other Particulate matter and tar drop progressively be washed oil absorb, with liquid phase fall and be trapped.
A kind of asphalt smoke gas purifying equipment that the present embodiment is provided, bitumen flue gas enters equipment from gas approach 11, in cigarette In gas washing area 1 and in substantial amounts of washing oil fully contact process, the temperature of flue gas can be substantially reduced, and most of bulky grain thing And tar drop is absorbed, then when by 180 ° of steerings of device bottom, part bulky grain thing and tar directly dissolve in equipment In a large amount of washings oil of bottom, bitumen flue gas meeting and inverse through the descending washing oil of packing layer 32 when further by packing area 3 Tiny particulate matter and tar drop are progressively washed oil and absorbed in Xiang Erhang, contact process, fall with liquid phase and are trapped, this A part of gas phase velocity can be reduced, and be more beneficial for the abundant contact of liquid phase, and the clean flue gas after scrubbed absorption is gone out by flue gas Mouth 31 is discharged.
On the basis of above-described embodiment, further, the first spray equipment 2 is sprayed including the first shower 21, second Pipe 22 and solvent tank (not shown);One end of first shower 21 is connected with solvent tank, one end of the second shower 22 with First shower 21 is connected;On second shower 22, the direction extended along the second shower 22 has been positioned apart from multiple successively Mouth spray 23.
Wherein, mouth spray 23 can be the arrangement or random arrangement of rule.Multiple mouth sprays 23 are increased The scope of spray so that the contact area of bitumen flue gas and washing oil is bigger.On mouth spray 23, spiral nozzle is set, not only prevented Block and cause sprinkling uniform.
On the basis of above-described embodiment, further, the second spray equipment 4 includes the 3rd shower 41 and shower nozzle 42, One end of 3rd shower 41 is connected with solvent tank, and the other end is connected with shower nozzle 42.
On the basis of above-described embodiment, solution feed pump (not shown), feed flow further, on solvent tank are additionally provided with The import of pump is connected with solvent tank, and the outlet of solution feed pump is connected with the first shower 21 and the 3rd shower 41.
Solution feed pump causes spray to become automatic and efficient.
On the basis of above-described embodiment, further, the bottom in flue gas washing area 1 is additionally provided with solvent outlet 5, solvent Outlet 5 is used to discharge the solvent for being dissolved with tar.
On the basis of above-described embodiment, further, flue gas washing area 1 is two, and packing area 3 can be located at two flue gases The side of scrubbing section 1, can also be arranged on the centre in Liang Ge flue gas washings area 1.Packing layer 32 has three layers, sandwich construction it is in bulk Packing layer substantially reduces velocity of flue gas, and the less particulate matter in gas-liquid exchange process in retention flue gas.
A kind of asphalt smoke gas purifying equipment provided by embodiment of above, the present embodiment, can not only be reduced as early as possible Flue-gas temperature, preferably controls velocity of flue gas, and the tar in the pitch prill flue gas that can be produced in the production of effectively catching coiled material And particulate matter, the reasonable setting of packing layer can try one's best in the case where meeting technological requirement in addition reduces SR, it is ensured that System is run under relatively low resistance.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme.

Claims (7)

1. a kind of asphalt smoke gas purifying equipment, including flue gas washing area and the first spray equipment, first spray equipment are set In the flue gas washing area, the top in the flue gas washing area is provided with gas approach, in addition to packing area, the packing area Top is provided with exhanst gas outlet, and bitumen flue gas is entered after asphalt smoke gas purifying equipment by gas approach, sequentially passes through flue gas washing Area and packing area, then discharged by exhanst gas outlet;First spray equipment is built with for dissolving the tar in bitumen flue gas Solvent, for spraying the solvent to the flue gas washing area, to wash the bitumen flue gas,
More than one packing layer is provided with the packing area, packing layer is used for the speed for reducing flue gas and retained in flue gas Less particulate matter;The packing area is arranged on the side in the flue gas washing area, the bottom of the packing area and the flue gas The bottom connection of scrubbing section;
Wherein bitumen flue gas is washed by the solvent in flue gas washing area, and the part bulky grain thing in flue gas is directly dissolved in solvent, Flue gas turns to 180 ° afterwards, and velocity of flue gas is reduced, and flue gas reaches packing area afterwards, it is characterised in that velocity of flue gas continues to reduce, Flue gas is inversely gone when by packing area with the descending solvent of packing layer, and packing area continues to retain the tar and particle in flue gas Thing.
2. asphalt smoke gas purifying equipment according to claim 1, it is characterised in that in the packing area, in the flue gas Between outlet and described filler layer, it is provided with the second spray equipment, second spray equipment and is also equipped with being used to dissolve pitch The solvent of tar in flue gas, second spray equipment is used to spray the solvent to described filler layer.
3. asphalt smoke gas purifying equipment according to claim 2, it is characterised in that first spray equipment includes first Shower, the second shower and solvent tank;One end of first shower is connected with the solvent tank, second shower One end connected with first shower;On second shower, along second shower extend direction, successively between Ground is provided with multiple mouth sprays.
4. asphalt smoke gas purifying equipment according to claim 3, it is characterised in that second spray equipment includes the 3rd Shower and shower nozzle, one end of the 3rd shower are connected with the solvent tank, and the other end is connected with the shower nozzle.
5. asphalt smoke gas purifying equipment according to claim 4, it is characterised in that be additionally provided with feed flow on the solvent tank Pump, the import of the solution feed pump is connected with the solvent tank, the outlet of the solution feed pump and first shower and described the Three showers are connected.
6. the asphalt smoke gas purifying equipment according to claim any one of 1-5, it is characterised in that the flue gas washing area Bottom is additionally provided with solvent outlet, and the solvent outlet is used to discharge the solvent for being dissolved with tar.
7. the asphalt smoke gas purifying equipment according to claim any one of 1-5, it is characterised in that the flue gas washing area is Two.
CN201510640041.1A 2015-09-30 2015-09-30 Asphalt smoke gas purifying equipment Active CN105289164B (en)

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Application Number Priority Date Filing Date Title
CN201510640041.1A CN105289164B (en) 2015-09-30 2015-09-30 Asphalt smoke gas purifying equipment

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Application Number Priority Date Filing Date Title
CN201510640041.1A CN105289164B (en) 2015-09-30 2015-09-30 Asphalt smoke gas purifying equipment

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CN105289164A CN105289164A (en) 2016-02-03
CN105289164B true CN105289164B (en) 2017-08-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1030602A (en) * 1988-06-04 1989-01-25 河南省安阳钢铁公司 Purify the technology of naphthalene in the coke-oven gas
CN2558438Y (en) * 2002-07-05 2003-07-02 新疆塔里木管道防腐涂料有限公司 Coal tar fume purifying device
CN201148412Y (en) * 2007-12-21 2008-11-12 山东百川同创能源有限公司 Biomass gasification gas decoking system
CN102463022A (en) * 2010-11-04 2012-05-23 上海宝钢化工有限公司 Method and apparatus for absorbing asphalt smoke
CN203816411U (en) * 2014-03-24 2014-09-10 新疆中碳科技有限责任公司 Tail gas collecting system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03143515A (en) * 1989-10-28 1991-06-19 Yosoji Nakamura Treatment of tar-containing exhaust gas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1030602A (en) * 1988-06-04 1989-01-25 河南省安阳钢铁公司 Purify the technology of naphthalene in the coke-oven gas
CN2558438Y (en) * 2002-07-05 2003-07-02 新疆塔里木管道防腐涂料有限公司 Coal tar fume purifying device
CN201148412Y (en) * 2007-12-21 2008-11-12 山东百川同创能源有限公司 Biomass gasification gas decoking system
CN102463022A (en) * 2010-11-04 2012-05-23 上海宝钢化工有限公司 Method and apparatus for absorbing asphalt smoke
CN203816411U (en) * 2014-03-24 2014-09-10 新疆中碳科技有限责任公司 Tail gas collecting system

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