CN102743951B - A kind of Asphalt smoke purification method and device - Google Patents
A kind of Asphalt smoke purification method and device Download PDFInfo
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- CN102743951B CN102743951B CN201110100654.8A CN201110100654A CN102743951B CN 102743951 B CN102743951 B CN 102743951B CN 201110100654 A CN201110100654 A CN 201110100654A CN 102743951 B CN102743951 B CN 102743951B
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- flue gas
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Abstract
<b> the invention discloses a kind of Asphalt smoke purification method and device, the method arranges a feeding-distribution device in the outlet of filler bin, powdered carbon is sent into venturi reactor respectively through pipeline and produces the flue gas arm start position of flue gas larger kneading machine, cooler and forming machine, purify from the source of flue gas, to reach better clean-up effect.The present invention can guarantee that the water vapour in glance coal and flue gas can not condense in all pipelines, avoids the generation of fluid contaminants.And because pipeline in system all receives washing away of powder from beginning section, avoid the tar in flue gas to stick to and comprise on the inner-walls of duct of arm, and powdered carbon can be made fully to mix with dust, improve the efficiency of asphalt smoke gas purifying.The purifier of prior art uses </b><bGreatT.Gre aT.GT1-2</b><bGr to clean with regard to needs for eatT.GreaT.GT month, after adopting the present invention, </b><bGreatT.Gre aT.GT1-2</b><bGr eatT.GreaT.GT just needs to clean, and therefore clean-up effect is significantly improved.</b>
Description
Technical field
the present invention relates to a kind of Asphalt smoke purification method and device, belong to asphalt smoke gas purifying technical field.
Background technology
in Chinese patent literature, application number is: 200610047890.7, denomination of invention is in the technical scheme of " green anode, raw negative electrode, raw electrode asphalt smoke purifying system and process for purifying thereof ", discloses a kind of asphalt smoke purifying system.It is that pipeline before reactor adds hot blast and prevents pitch from condensing in the duct, add powdered carbon adsorptive pitch cigarette simultaneously, and collected the particle being adsorbed with pitch by deduster in reactor, realizes asphalt smoke gas purifying.
but technique scheme in use also exists two subject matters: the pipeline section one, before reactor accounts for the overwhelming majority of system pipeline length, only good clean-up effect can not be reached by heating.The pitch shape that can be in a liquid state is bonded on branch pipe(tube), more long-pendingly on the tube wall that works long hours thicklyer has had a strong impact on flue gas flow, has reduced the arresting efficiency of system to glance coal, caused glance coal to escape, contaminated environment.And these adhesions need periodic cleaning, otherwise directly can cause thrashing after a blockage, and be sizable for the cleaning work amount of this problem.And this problem is particularly serious for batch (-type) kneading machine ventilation duct, the dust be interrupted in flue gas and glance coal have increased the weight of the bonding of tar on tube wall; Two, in cooler, kneading machine smoke evacuation, water content is higher.Can water be condensed into after the tube wall that high-temperature vapor in flue gas is lower with temperature contacts, system can be caused like this to make moist, make the easy felt jam of powdered carbon in pipeline, even make to produce fluid contaminants in system.Therefore, the existing result of use that adds the flue gas purifying method of powdered carbon adsorptive pitch flue gas in reactor or not ideal enough.
Summary of the invention
the object of the invention is to, there is provided a kind of and can guarantee that water vapour in glance coal and flue gas is noncondensing and do not stick to and comprise on the inner-walls of duct of arm in all pipelines, and powdered carbon and dust can be made fully to mix thus improve Asphalt smoke purification method and the device of asphalt smoke gas purifying efficiency, to overcome the deficiencies in the prior art.
technical scheme of the present invention forms like this: a kind of Asphalt smoke purification method of the present invention arranges a feeding-distribution device in the outlet of filler bin, powdered carbon is sent into venturi reactor respectively through pipeline and produces the flue gas arm start position of flue gas larger kneading machine, cooler and forming machine, purify from the source of flue gas, to reach better clean-up effect.
in above-mentioned Asphalt smoke purification method, hot blast is added at the flue gas arm start position of the larger kneading machine of described generation flue gas and cooler, the bitumen flue gas that kneading machine and cooler are produced accelerates the suction-operated of powdered carbon under hot wind action, and uniformity of temperature profile in system can be ensured, the glance coal that local overheating is accidents caused or temperature is too low and cause is avoided to condense and vapor dew, and can ensure that the mixed flue-gas temperature of all branch pipe(tube) flue gases is applicable to the generation of adsorption reaction, and the temperature of flue gas remains at below dew-point temperature in guarantee system, avoid condensation in system.
in aforementioned Asphalt smoke purification method, the temperature of described hot blast is 50 ~ 200 DEG C.
the of the present invention a kind of bitumen fume purifying device formed according to said method is: this device comprises pre-reactor and filler bin, the entrance of pre-reactor is connected through flue with forming machine, cooler and kneading machine respectively, and the outlet of pre-reactor is connected with venturi reactor and deduster successively through main pipeline; In the smoke intake pipeline front end of venturi reactor, forming machine, cooler be connected with feeding-distribution device and filler bin through powdered carbon pipeline respectively successively with the flue gas arm start position place of kneading machine.
above-mentioned feeding-distribution device comprises material room, and material top, room is provided with charge pipe and exhaust outlet, and the side of material room is evenly equipped with the feed opening of two or more band plate, is provided with elephant trunk bottom feed opening; Material is provided with the air chamber separated through canvas plate bottom room, is provided with airduct bottom air chamber.
pipeline feeding device is provided with at the flue gas arm start position place of described forming machine, cooler and kneading machine.
above-mentioned pipeline feeding device comprises material chute pipe, and material chute pipe is provided with the induction tunnel tilting to connect, and induction tunnel is provided with control valve; Material chute pipe tilts to be connected with flue.
be provided with hot blast mixing arrangement at above-mentioned cooler and the flue gas arm start position place between kneading machine and pipeline feeding device, hot blast mixing arrangement is connected with hot air duct, and hot air duct is connected with heater.
above-mentioned hot blast mixing arrangement is the spoiler arranged in the junction of hot air duct and flue.
above-mentioned flue is provided with extinguishing device.
owing to have employed technique scheme, the present invention arranges a feeding-distribution device in the outlet of filler bin, powdered carbon is sent into venturi reactor respectively through pipeline and produces the flue gas arm start position of flue gas larger kneading machine, cooler and forming machine, purify from the source of flue gas, and adding hot blast at the flue gas arm start position producing the larger kneading machine of flue gas and cooler, the bitumen flue gas that kneading machine and cooler are produced accelerates the suction-operated of powdered carbon under hot wind action.And prior art only adds cleanser (powdered carbon) at venturi reactor place.The present invention is arm top carbon element powder being added respectively the main glance coal diffusion device such as reactor, kneading machine and cooler, because pipeline in system all receives washing away of powder from beginning section, thus can effectively avoid the tar in flue gas to stick to inner-walls of duct, the phenomenon making the pipeline of whole system (comprising arm and main line) that blocking occur greatly reduces.Adopt the present invention, the cycle of its cleaning pipeline once brings up to cleaning in 1 ~ 2 year once by cleaning in original 1 ~ 2 month.The present invention substantially increases the service efficiency of system, avoids the environmental pollution because frequent system-down brings, significantly improves working environment.Also being provided with pipeline feeding device in flue gas source to obtain better effect the present invention, cleanser can being added uniformly, and powdered carbon can be made fully to mix with dust, increase the reactive adsorption time, improve the efficiency of asphalt smoke gas purifying.And avoid line clogging.The present invention produces the larger kneading machine of flue gas in systems in which and cooler place flue gas arm start position adds hot blast, uniformity of temperature profile in system can be ensured, the glance coal that local overheating is accidents caused or temperature is too low and cause is avoided to condense and vapor dew, and can ensure that the mixed flue-gas temperature of all branch pipe(tube) flue gases is applicable to the generation of adsorption reaction, and the temperature of flue gas remains at below dew-point temperature in guarantee system, avoid condensation in system.In addition, the present invention adds hot blast mixing arrangement in the import department of hot blast, makes ducted hot blast more even, can improve the efficiency of gas cleaning better.So, the present invention compared with prior art, the present invention not only has can guarantee that water vapour in glance coal and flue gas is noncondensing and do not stick to the advantage comprised on the inner-walls of duct of arm in all pipelines, but also has and effectively can improve asphalt smoke gas purifying efficiency, improve the operating efficiency of whole production system, reduce operating cost, reduce the advantages such as environmental pollution.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the structural representation of feeding-distribution device of the present invention;
fig. 3 is the structural representation of pipeline feeding device of the present invention.
being labeled as in accompanying drawing: 1-pre-reactor, 2-forming machine, 3-cooler, 4-kneading machine, 5-venturi reactor, 6-deduster, 7-feeding-distribution device, 8-filler bin, 9-expects room, 10-charge pipe, 11-exhaust outlet, 12-plate, 13-feed opening, 14-elephant trunk, 15-canvas plate, 16-air chamber, 17-airduct, 18-pipeline feeding device, 19-material chute pipe, 20-induction tunnel, 21-control valve, 22-flue, 23-hot blast mixing arrangement, 24-hot air duct, 25-heater, 26-powdered carbon pipeline, 27-fire extinguisher, 28-main pipeline.
Detailed description of the invention
below in conjunction with drawings and Examples, the present invention is described in further detail.
embodiments of the invention: a kind of Asphalt smoke purification method of the present invention arranges a feeding-distribution device 7 in the outlet of filler bin 8, powdered carbon is sent into venturi reactor 5 respectively through pipeline and produces the larger kneading machine 4 of flue gas, the flue gas arm start position of cooler 3 and forming machine 2, purify from the source of flue gas, better clean-up effect can be reached like this, make pipeline in system all receive washing away of powder from beginning section simultaneously, the tar in flue gas can be effectively avoided to stick to inner-walls of duct like this, thus substantially prolongs the cleaning cycle of the pipeline (comprising arm and main line) to whole system, the hot blast that temperature is 50 ~ 200 DEG C is added at the start position place of the flue gas arm producing the larger kneading machine 4 of flue gas and cooler 3, can ensure uniformity of temperature profile in system like this, the glance coal that local overheating is accidents caused or temperature is too low and cause is avoided to condense and vapor dew, and can ensure that the mixed flue-gas temperature of all branch pipe(tube) flue gases is applicable to the generation of adsorption reaction, and the temperature of flue gas remains at below dew-point temperature in guarantee system, avoid condensation in system.
the of the present invention a kind of bitumen fume purifying device formed according to the method described above is: this device comprises existing pre-reactor 1 and filler bin 8, the entrance of pre-reactor 1 is connected through flue 22 with forming machine 2, cooler 3 and kneading machine 4 respectively, and the outlet of pre-reactor 1 is connected with venturi reactor 5 and deduster 6 successively; Described venturi reactor 5, forming machine 2, cooler 3 are connected with feeding-distribution device 7 and filler bin 8 through main pipeline 26 respectively successively with kneading machine 4.Described feeding-distribution device 7 comprises material room 9, and material top, room 9 is provided with charge pipe 10 and exhaust outlet 11, and the side of material room 9 is evenly equipped with the feed opening 13 of two or more band plate 12, is provided with elephant trunk 14 bottom feed opening 13; Material is provided with the air chamber 16 separated through canvas plate 15 bottom room 9, is provided with airduct 17 bottom air chamber 16; Pipeline feeding device 18 is provided with at the flue gas arm start position place of forming machine 2, cooler 3 and kneading machine 4; Pipeline feeding device 18 comprises material chute pipe 19, and material chute pipe 19 is provided with the induction tunnel 20 tilting to connect, and induction tunnel 20 is provided with control valve 21; Material chute pipe 19 tilts to be connected with flue 22; Be provided with hot blast mixing arrangement at cooler and the flue gas arm start position place between kneading machine and pipeline feeding device, hot blast mixing arrangement is connected with hot air duct, and hot air duct is connected with heater; Its hot blast mixing arrangement 23 is the spoilers arranged with the connection of flue 22 at hot air duct 24; In order in use for the purpose of safety, flue 22 arranges extinguishing device 27.
below operation principle of the present invention is further described again:
pre-reactor 1 is by flue collector 28 and venturi reactor 5, deduster 6 connects, system is got up by the fume collection of flue 22 by fume extractor evaporation in workshop and is focused in pre-reactor 1, glance coal in flue 22 with add forming machine 2 from powdered carbon pipeline 26, the powdered carbon of cooler 3 and kneading machine 4 porch fully mixes generation adsorption reaction at pipeline along journey, particle not of uniform size is condensed into after reaction, the particle of greater particle size settles down in pre-reactor 1, tiny granule dust enters venturi reactor 5 with flue gas, flue gas and the powdered carbon added in venturi reactor 5 carry out second adsorption reaction, the toxic and harmfuls such as the glance coal in flue gas are farthest purified, last flue gas is filtered by deduster 6, purification, the powdered carbon dust that deduster 6 is collected returns powder feed systemic circulation and uses or return explained hereafter flow process.
hot air generator (being existing equipment) is in order to ensure that the temperature of flue gas in pipeline keeps an applicable level, avoid condensation vapor in glance coal and flue gas, the hot blast that heater produces sends into kneading machine (also can be kneading machine) 4, cooler 3 exit position respectively through hot air duct 24, mix with flue gas in hot blast mixing arrangement 23, such energy ensures that the temperature of all flue gases comprised in system flue 22 remains at below dew-point temperature, avoids condensation in system.
filler bin 8 is connected by the flue 22 of main glance coal diffusion device such as powder feed system and venturi reactor 5, kneading machine 4, cooler 3 and forming machine 2 etc., the bitumen flue gas of above each position and the powdered carbon generation adsorption reaction of filler bin 8.Due to as the carbon element powder of adsorbent be from flue gas produce source add, adsorbent (also referred to as cleanser or powdered carbon) and the reaction time of bitumen flue gas long, the purification efficiency of system is also greatly improved.And because pipeline in system all receives washing away of powder from beginning section; thus make the cycle of the cleaning of the pipeline of whole system (comprising flue 22 and main pipeline 28) once bring up to cleaning in 1 ~ 2 year once by cleaning in original 1 ~ 2 month; improve the service efficiency of system; avoiding should the frequently environmental pollution that brings of system-down, significantly improves working environment.
powder feed system of the present invention is made up of the frequency conversion unloading valve of filler bin 8, adjustable speed, flow measurement device, feeding-distribution device 7, venturi reactor 5, pipeline feeding device 18.For guaranteeing that powder adds speed, according to the feeding quantity that flow measurement device is measured, in real time frequency conversion unloading valve rotating speed is adjusted.Wherein feeding-distribution device 7 and pipeline feeding device 18 are also that the present invention initiates.
in order to better collect flue gas, bitumen flue gas, the dust emission point place of the fume extractor as required in workshop install hot blast mixing arrangement 23 and hood as required, and dust collection cover is connected with main pipeline 28 by flue 22.Hot blast mixing arrangement 23 device can ensure hot blast that hot air generator produces before entering flue 22 just and flue gas fully mix, avoid flue gas condensation in flue 22 greatly.
asphalt smoke purification method of the present invention, is adopt feeding raw materials from more than one places adsorptive pitch cigarette cleaning system, concludes the method, and it comprises the steps: that the bitumen flue gas of each equipment generation in workshop is under deduster suction function, is collected by ventiduct system and concentrates; Temperature for the flue gas that ensures (to comprise flue 22 and main pipeline 28) in intrasystem all pipelines keeps an applicable level, and the position using hot air generator and hot blast mixing arrangement to need in system adds hot blast; For ensureing the clean of high purification efficiency and arm, powder feed system adds charcoal element powder in arm top and venturi reactor, after flue gas and the charcoal element powder abundant hybrid reaction that adds, reaction generates particle not of uniform size, is returned in charcoal element explained hereafter system by material after deduster purification filtering.
Claims (9)
1. an Asphalt smoke purification method, it is characterized in that: the method arranges a feeding-distribution device in the outlet of filler bin, feeding-distribution device comprises material room, and material top, room is provided with charge pipe and exhaust outlet, the side of material room is evenly equipped with the feed opening of two or more band plate, is provided with elephant trunk bottom feed opening; Material is provided with the air chamber separated through canvas plate bottom room, is provided with airduct bottom air chamber; The powdered carbon added from feeding-distribution device charge pipe is blown into the uniform feed opening in material both sides, room by airduct, send into venturi reactor respectively by the pipeline be connected with feed opening and produce the flue gas arm start position of the larger kneading machine of flue gas, cooler and forming machine, purifying from the source of flue gas; Glance coal in flue with add forming machine from powdered carbon pipeline, the powdered carbon of cooler and kneading machine porch fully mixes generation adsorption reaction at pipeline along journey, particle not of uniform size is condensed into after reaction, the particle of greater particle size settles down in pre-reactor, and tiny granule dust enters venturi reactor with flue gas; Flue gas and the powdered carbon added in venturi reactor carry out second adsorption reaction, to reach better clean-up effect.
2. a kind of Asphalt smoke purification method according to claim 1, it is characterized in that: add hot blast at the flue gas arm start position place of the larger kneading machine of described generation flue gas and cooler, the bitumen flue gas that kneading machine and cooler are produced accelerates the suction-operated of powdered carbon under hot wind action.
3. a kind of Asphalt smoke purification method according to claim 2, is characterized in that: the temperature of described hot blast is 50 ~ 200 DEG C.
4. the bitumen fume purifying device formed according to method described in claim 1,2 or 3, comprise pre-reactor (1) and filler bin (8), the entrance of pre-reactor (1) is connected through flue (22) with forming machine (2), cooler (3) and kneading machine (4) respectively, and the outlet of pre-reactor (1) is connected with venturi reactor (5) and deduster (6) successively through main pipeline (28); It is characterized in that: in the smoke intake pipeline front end of venturi reactor (5), forming machine (2), cooler (3) be connected with feeding-distribution device (7) and filler bin (8) through powdered carbon pipeline (26) respectively successively with the flue gas arm start position place of kneading machine (4); Feeding-distribution device (7) comprises material room (9), and material room (9) top is provided with charge pipe (10) and exhaust outlet (11), and the side of material room (9) is evenly equipped with the feed opening (13) of two or more band plate (12), and feed opening (13) bottom is provided with elephant trunk (14); Material room (9) bottom is provided with the air chamber (16) separated through canvas plate (15), and air chamber (16) bottom is provided with airduct (17).
5. bitumen fume purifying device according to claim 4, is characterized in that: be provided with pipeline feeding device (18) at the flue gas arm start position place of described forming machine (2), cooler (3) and kneading machine (4).
6. bitumen fume purifying device according to claim 5, it is characterized in that: described pipeline feeding device (18) comprises material chute pipe (19), material chute pipe (19) is provided with the induction tunnel (20) tilting to connect, and induction tunnel (20) is provided with control valve (21); Material chute pipe (19) tilts to be connected with flue (22).
7. bitumen fume purifying device according to claim 5, it is characterized in that: be provided with hot blast mixing arrangement (23) at cooler (3) and the flue gas arm start position place between kneading machine (4) and pipeline feeding device (18), hot blast mixing arrangement (23) is connected with hot air duct (24), and hot air duct (24) is connected with heater (25).
8. bitumen fume purifying device according to claim 7, is characterized in that: described hot blast mixing arrangement (23) is the spoiler arranged with the junction of flue (22) at hot air duct (24).
9. bitumen fume purifying device according to claim 8, is characterized in that: on flue (22), be provided with extinguishing device (27).
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| CN201110100654.8A CN102743951B (en) | 2011-04-21 | 2011-04-21 | A kind of Asphalt smoke purification method and device |
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| CN201110100654.8A CN102743951B (en) | 2011-04-21 | 2011-04-21 | A kind of Asphalt smoke purification method and device |
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| CN102743951A CN102743951A (en) | 2012-10-24 |
| CN102743951B true CN102743951B (en) | 2016-02-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105289202A (en) * | 2014-06-13 | 2016-02-03 | 贵阳铝镁设计研究院有限公司 | Charging method and apparatus of asphalt smoke purifying system |
| CN106871146A (en) * | 2017-04-17 | 2017-06-20 | 洛阳瑞昌石油化工设备有限公司 | A kind of chimney for eliminating wet desulphurization white cigarette |
| CN107281897A (en) * | 2017-08-24 | 2017-10-24 | 北京华索科技股份有限公司 | A kind of plain assembly room feeding raw materials from more than one places asphalt smoke purifying device of charcoal |
| CN108480042B (en) * | 2018-03-08 | 2021-01-26 | 马鞍山钢铁股份有限公司 | Flue gas dust removal device and dust removal process thereof |
| CN108543386A (en) * | 2018-06-26 | 2018-09-18 | 贵阳铝镁设计研究院有限公司 | A method of for purifying baking carbon product flue gas |
| CN108568188A (en) * | 2018-06-26 | 2018-09-25 | 贵阳铝镁设计研究院有限公司 | A method of being used for purifying pitch melter and pitch storage tank bitumen flue gas |
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