CN105176597A - Biomass pyrolysis gas purifying system - Google Patents
Biomass pyrolysis gas purifying system Download PDFInfo
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- CN105176597A CN105176597A CN201510423402.7A CN201510423402A CN105176597A CN 105176597 A CN105176597 A CN 105176597A CN 201510423402 A CN201510423402 A CN 201510423402A CN 105176597 A CN105176597 A CN 105176597A
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- pyrolysis
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Abstract
The invention discloses a biomass pyrolysis gas purifying system. The gas outlet of a pyrolysis reactor is connected with two serially-connected cyclone dust collectors with clamping cavities, the smoke outlet of a combustion bed is connected with the clamping cavity of a second stage cyclone dust collector, the solid outlet of the pyrolysis reactor is sequentially connected with a separation tank and a cyclone separator, and a fan is arranged between the separation tank and the cyclone separator. Coking in the cyclone dust collectors and pipelines does not exist, and many biomass charcoals are maximally collected to form products with added vales, so the economy of the biomass pyrolysis gasification system is improved.
Description
Technical field
The invention belongs to gas handling techniques field, specifically a kind for the treatment of system of carrying out purifying for biomass pyrolytic gas.
Background technology
As everyone knows, the biomass pyrolytic high-temperature gas produced after utilizing biomass fuel (as biological substance shaped granule, agricultural three remain thing, wood chip, bark etc.) to carry out high temperature pyrolysis mainly to grade solid impurity containing thermal barrier, charcoal and ash, if not by Impurity removal, the quality of pyrolysis gas will be affected.
For the removal of ash content, general employing two-stage whirlwind ash separater, by twice cyclonic separation step, just can realize purifying object, but, when pyrolysis gas is from one cyclonic fly-ash separator input second cyclone dust extractor, its temperature can be reduced to less than 400, the gaseous state tar condensing in pyrolysis gas can be made to become thick liquid and be attached to equipment inner wall and pipeline formation coking, when coking amount is serious, the normal operation of equipment will be affected, and the situation of blocking pipeline may occur, also very large to the intractability of coking.
For being separated of the thermal barrier in pyrolysis gas and charcoal, generally adopt Cyclone Separation Technology at present, the thermal barrier separated and the direct burned bed burning of charcoal mixt, with recycle, reach the object of the remaining charcoal of effectively process.But on the one hand, burning powdered carbon can produce increment discharge flue gas, increases fume environment protection intractability; On the other hand, but have ignored the economic worth of powdered carbon, because biomass charcoal powder is widely used, can be used as soil improvement agent, activated carbon raw material, charcoal for roasting and mosquito-repellent incense goods etc., its market outlook should be made good use of.Therefore, how to design the separation system for thermal barrier and charcoal mixt, significant.
Summary of the invention
In order to solve prior art existing defects, the invention provides a kind of noncoking and reclaiming the biomass pyrolytic gas purification system of biomass charcoal to greatest extent.
In order to realize above object, the technical scheme that the present invention takes is: a kind of biomass pyrolytic gas purification system, comprise pyrolysis reactor and burning bed, the pneumatic outlet of described pyrolysis reactor connects the double stage tandem tornado dust collector with folder chamber, the exhanst gas outlet of described burning bed connects the folder chamber of second cyclone dust extractor, the solid outlet of described pyrolysis reactor connects separating tank and cyclonic separator successively, arranges blower fan between separating tank and cyclonic separator.
Compared with prior art, advantage of the present invention is:
1, by the waste heat flue gas of burning bed being introduced in the folder chamber of tornado dust collector, tornado dust collector and connecting pipeline thereof is made to keep hot environment in the course of the work, prevent tar coking in tornado dust collector and pipeline contained in pyrolysis gas, not only take full advantage of fume afterheat, and reduction smog discharge temperature, reduce heat-energy losses.
2, by separating tank biomass charcoal be effectively separated with thermal barrier mixture and under the effect of cyclonic separator, biomass charcoal infinite loop be separated, collect more biomass charcoals to greatest extent and become value-added product, improve the economy of biomass pyrogenation gasification system.
Accompanying drawing explanation
The skeleton diagram of Fig. 1 form biomass pyrolysis gas treating system.
Embodiment
As shown in Figure 1, biomass pyrolytic gas purification system is made up of stoving oven, pyrolysis main reactor, pyrolysis auxiliary reactor, one cyclonic fly-ash separator, second cyclone dust extractor, slurry tank, separating tank, cyclonic separator, blower fan and burning bed.
Pyrolysis main reactor and pyrolysis auxiliary reactor are arranged in series.The opening for feed of pyrolysis main reactor connects stoving oven and burning bed.Stoving oven is for drying biomass fuel, and burning bed is used for heat hot carrier (as sand).
The high-temperature gas outlet of pyrolysis auxiliary reactor connects one cyclonic fly-ash separator and second cyclone dust extractor successively, and the effect of tornado dust collector is separated by the charcoal ash in pyrolysis high-temperature gas.The housing parcel one layer of heat preservation cover of tornado dust collector, form folder chamber between muff and outer wall, the folder chamber of one cyclonic fly-ash separator and second cyclone dust extractor is interconnected.The folder chamber of one cyclonic fly-ash separator is communicated with the gas approach of stoving oven, and the folder chamber of second cyclone dust extractor is communicated with the exhanst gas outlet of burning bed.
The solid outlet of pyrolysis auxiliary reactor is communicated with slurry tank, separating tank and cyclonic separator successively.The effect of slurry tank is the pyrolysis high-temperature gas carried in separating carbon.The effect of separating tank is heat of dissociation carrier and carbon granule.The effect of cyclonic separator is separating carbon grain.Arrange blower fan between separating tank and cyclonic separator, the effect of blower fan makes not being separated carbon granule forming closed circuit circulatory system between separating tank and tornado dust collector, and order is not separated powdered carbon infinite loop in the recycle system.
The principle of work of biomass pyrogenation gasification purification system is: biomass wet fuel is introduced into stoving oven and dries, high-temperature heat carrier after dry fuel and burning bed heat is sent into pyrolysis main reactor respectively and is carried out pyrolytic reaction and produce pyrolysis high-temperature gas and biomass charcoal, and pyrolysis high-temperature gas carries biomass charcoal and thermal barrier input pyrolysis auxiliary reactor and proceeds pyrolytic reaction and produce high quality pyrolysis high-temperature gas.Pyrolysis high-temperature gas exports clean gas after inputting the charcoal ash of one cyclonic fly-ash separator and second cyclone dust extractor removing lightweight successively.Carbon granule and the thermal barrier mixture of heavy amount fall into slurry tank, and isolated a small amount of gas circulation input one cyclonic fly-ash separator from carbon granule and thermal barrier, carbon granule and thermal barrier mixture enter separating tank.The isolated thermal barrier of separating tank reclaims supply burning bed and is recycled heating, and isolated carbon granule enters cyclonic separator to be continued to isolate carbon granule, and surplus carbon granule is then under the effect of blower fan, and circulation input separating tank continues multi-cycle separation.The waste heat flue gas of about 600 DEG C that burning bed combustion heat carrier produces is reverse to be entered in the folder chamber of second cyclone dust extractor, one cyclonic fly-ash separator successively, guarantee to be not less than from second cyclone dust extractor pyrolysis hot-gas temperature out the pyrolysis high-temperature gas entered from primary cyclone, the temperature of such pyrolysis high-temperature gas is greater than 450 DEG C all the time, and tar can not coking in two stage cyclone fly-ash separator and connecting tube.From second cyclone dust extractor out waste heat flue gas recirculation supply stoving oven utilize.
Claims (1)
1. a biomass pyrolytic gas purification system, comprise pyrolysis reactor and burning bed, it is characterized in that: the pneumatic outlet of described pyrolysis reactor connects the double stage tandem tornado dust collector with folder chamber, the exhanst gas outlet of described burning bed connects the folder chamber of second cyclone dust extractor, the solid outlet of described pyrolysis reactor connects separating tank and cyclonic separator successively, arranges blower fan between separating tank and cyclonic separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423402.7A CN105176597A (en) | 2015-07-17 | 2015-07-17 | Biomass pyrolysis gas purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510423402.7A CN105176597A (en) | 2015-07-17 | 2015-07-17 | Biomass pyrolysis gas purifying system |
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| Publication Number | Publication Date |
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| CN105176597A true CN105176597A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510423402.7A Pending CN105176597A (en) | 2015-07-17 | 2015-07-17 | Biomass pyrolysis gas purifying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779215A (en) * | 2016-08-26 | 2018-03-09 | 何巨堂 | A kind of inflating method of the hydrocarbon grease proofing condensation of powder thermal decomposition product separation process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046419Y (en) * | 2007-05-11 | 2008-04-16 | 权岚 | Constant temperature cyclone dust extractor |
| RU2361151C2 (en) * | 2007-07-31 | 2009-07-10 | Владимир Юрьевич Пименов | Unit to convert organic stock into fuel components |
| CN103785549A (en) * | 2012-10-29 | 2014-05-14 | 安徽科达洁能股份有限公司 | Cyclone separator |
| CN104371751A (en) * | 2013-10-12 | 2015-02-25 | 陕西瑛基量生物能源有限公司 | Device and method for preparation of oil by biomass thermal cracking |
-
2015
- 2015-07-17 CN CN201510423402.7A patent/CN105176597A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201046419Y (en) * | 2007-05-11 | 2008-04-16 | 权岚 | Constant temperature cyclone dust extractor |
| RU2361151C2 (en) * | 2007-07-31 | 2009-07-10 | Владимир Юрьевич Пименов | Unit to convert organic stock into fuel components |
| CN103785549A (en) * | 2012-10-29 | 2014-05-14 | 安徽科达洁能股份有限公司 | Cyclone separator |
| CN104371751A (en) * | 2013-10-12 | 2015-02-25 | 陕西瑛基量生物能源有限公司 | Device and method for preparation of oil by biomass thermal cracking |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107779215A (en) * | 2016-08-26 | 2018-03-09 | 何巨堂 | A kind of inflating method of the hydrocarbon grease proofing condensation of powder thermal decomposition product separation process |
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Application publication date: 20151223 |