CN204400934U - A kind of biomass gasification burning deep purifying device - Google Patents
A kind of biomass gasification burning deep purifying device Download PDFInfo
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- CN204400934U CN204400934U CN201420820571.5U CN201420820571U CN204400934U CN 204400934 U CN204400934 U CN 204400934U CN 201420820571 U CN201420820571 U CN 201420820571U CN 204400934 U CN204400934 U CN 204400934U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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Abstract
The utility model discloses a kind of biomass gasification burning deep purifying device, comprise and connect gasification burning and the cyclonic separator set gradually, tar catalyticreactor, high temperature filtration fly-ash separator, waste heat boiler, spray column and drying tower, cyclonic separator is provided with fuel gas inlet, drying tower is provided with gas outlet, make tar removing efficiency of dust collection high, stable, combustion gas sensible heat utilization rate is high, the advantages such as non-wastewater discharge, the high-quality biological matter gasification burning that can meet the utilization of special industry kiln is obtained after purification, improve the quality of biomass gasification burning, the utility model is applicable to biomass gasification burning field of purification.
Description
Technical field
The utility model relates to biomass gasification burning field of purification, particularly relates to a kind of biomass gasification burning deep purifying device.
Background technology
At present, biomass energy as an alternative the energy can realize CO
2zero release, alleviates Greenhouse effect and acid rain pollution greatly, is subject to people and more and more payes attention to.Wherein gasifying biomass prepares the important route of one that biomass gasification burning technology is Biomass Energy Utilization.Biomass contain a certain amount of tar and dust through the vapourizing furnace biomass gasification burning obtained that gasifies, and affect the utilization of biomass gasification burning.Therefore also must further to study in the gordian technique such as gas-purification and sensible heat utilization and perfect.
About removing of biomass gasification burning tar, forefathers have done large quantifier elimination, mainly contain water elution and remove and catalytic pyrolysis two kinds of methods.The domestic removal methods coal-tar middle oil to biomass gasification burning is mainly WATER-WASHING METHOD and removes at present, general compact electrical generating systems and resident's airing system are all adopted in this way, this purification system cost is low, simple to operate, but the removal effect of tar is poor, cause tar to cylinder, the Corrosion blockage of pipeline, the normal operation of influential system, the discharge that the opposing party wears tar and waste water not only causes the pollution of environment, and a large amount of tar is discharged with waste water and can not make full use of, also result in the waste of the energy, reduce combustion gas sensible heat utilization, affect gasifying biomass efficiency.Catalytic cracking of tar solves the effective ways that biomass gasification burning tar removes problem, not only reduces the content that combustion gas is coal-tar middle oil, and coke tar cracking product mainly combustible gas gas, improves fuel gases calorific value, improve gasifying biomass efficiency.Patent CN1098910C, CN1667086A etc. are all mentioned to the method using catalyzer to reduce the coal-tar middle oil content of biomass gasification burning.
Patent CN1098911C mentions a kind of biomass gasifying and purifying circular fluid-bed system, system adopts stage purification technology, the biomass gasification burning of biomass gasification burning after inertial separator, cyclonic separator dust removal process sends into venturi tube duster, combustion gas sends into water wash column remove part tar and dust in Venturi tube after, and biomass gasification burning sending into gas-holder by induced draft fan in water wash column after further cooling and tar removing and dust.The sewage containing dust and tar flowed out from Venturi tube and water wash column is pooled to a large-scale sewage settling bowl, and sewage is naturally cooling, sedimentation in settling bowl.This equipment can play good cleaning action to biomass gasification burning, but there is following problem: water without solvability to tar, easily causes tar and dust adhesion equipment, is unfavorable for the steady running of equipment; Required quantity of circulating water is large, and pond floor space is large, and construction investment cost is high; Waste water treatmentntrol difficult, causes secondary pollution.
Utility model content
For solving the problem, the utility model provides a kind of coal-tar middle oil and content that is dust of biomass gasification burning that makes to drop to extremely low level, the biomass gasification burning deep purifying device of the coal-tar middle oil chemical heat of efficient recovery biomass gasification burning and combustion gas sensible heat simultaneously.
The utility model solves the technical scheme that its technical problem adopts: a kind of biomass gasification burning deep purifying device, comprise and connect biomass gasification burning and the cyclonic separator set gradually, tar catalyticreactor, high temperature filtration fly-ash separator, waste heat boiler, spray column and drying tower, cyclonic separator is provided with fuel gas inlet, and drying tower is provided with gas outlet.
Be further used as the improvement of technical solutions of the utility model, fuel gas inlet is located at above cyclonic separator side, and cyclonic separator end face is provided with separator outlet.
Be further used as the improvement of technical solutions of the utility model, separator outlet connects the reactor inlet being positioned at tar catalyticreactor bottom surface, is provided with reactor outlet above tar catalyticreactor.
Be further used as the improvement of technical solutions of the utility model, reactor outlet connects the fly-ash separator entrance be positioned at above high temperature filtration fly-ash separator side, is provided with house outlet above the one side that high temperature filtration fly-ash separator is relative with being provided with fly-ash separator entrance.
Be further used as the improvement of technical solutions of the utility model, house outlet connects the boiler inlet be positioned at above waste heat boiler side, boiler replenishing water mouth is provided with bottom waste heat boiler, waste heat boiler end face is provided with low-pressure steam outlet, waste heat boiler is positioned at bottom the one side relative with boiler inlet and is provided with boiler export.
Be further used as the improvement of technical solutions of the utility model, boiler export connects the spray column entrance be positioned at bottom spray column, spray column bottom center is connected with circulating water pool, the outlet of circulating water pool connects above spray column side, spray column end face is provided with spray column outlet, and spray column is packing tower or void tower.
Be further used as the improvement of technical solutions of the utility model, spray column outlet connects the drying tower entrance bottom drying tower, and drying tower end face center is provided with gas outlet.
Be further used as the improvement of technical solutions of the utility model, in drying tower, hypomere is equipped with scum dredger, and epimere is equipped with siccative.
The beneficial effects of the utility model: this biomass gasification burning deep purifying device, most of tar in combustion gas is removed by tar catalyticreactor, high temperature filtration fly-ash separator carries out dedusting again, solve independent dedusting or the very difficult problem of tar removing, biomass gasification burning after purification eliminates a large amount of water vapors that combustion gas is carried after drying, improve the calorific value of biomass gasification burning greatly, widen the operation strategies of biomass gasification burning, it is high that this device has tar removing efficiency of dust collection, stable, combustion gas sensible heat utilization rate is high, the advantages such as non-wastewater discharge, the high-quality biological matter gasification burning that can meet the application of special industry kiln is obtained after purification.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment one-piece construction schematic diagram.
Embodiment
Be clearly and completely described below with reference to embodiment and the accompanying drawing technique effect to design of the present utility model, concrete structure and generation, to understand the purpose of this utility model, characteristic sum effect fully.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiments that those skilled in the art obtains under the prerequisite not paying creative work, all belong to the scope of the utility model protection.
With reference to Fig. 1, the utility model is a kind of biomass gasification burning deep purifying device, comprise and connect biomass gasification burning and the cyclonic separator 1 set gradually, tar catalyticreactor 2, high temperature filtration fly-ash separator 3, waste heat boiler 4, spray column 5 and drying tower 6, cyclonic separator 1 is provided with fuel gas inlet 11, and drying tower 6 is provided with gas outlet 61.
This biomass gasification burning deep purifying device, most of tar in combustion gas is removed by tar catalyticreactor 2, high temperature filtration fly-ash separator 3 carries out dedusting again, solve independent dedusting or the very difficult problem of tar removing, biomass gasification burning after purification eliminates a large amount of water vapors that combustion gas is carried after drying, improve the calorific value of biomass gasification burning greatly, widen the operation strategies of biomass gasification burning, it is high that this device has tar removing efficiency of dust collection, stable, combustion gas sensible heat utilization rate is high, the advantages such as non-wastewater discharge, the high-quality biological matter gasification burning that can meet the application of special industry kiln is obtained after purification.
As the utility model preferred embodiment, fuel gas inlet 11 is located at above cyclonic separator 1 side, and cyclonic separator 1 end face is provided with separator outlet 12.
Adopt cyclonic separator 1 as rough dusting, this cyclonic separator 1 adopts high-temperature cyclone dust extractor.The biomass gasification burning generated in vapourizing furnace directly passes into high-temperature cyclone dust extractor, the unburnt carbon granule of the overwhelming majority, macrobead flying dust and part fine dust in removing combustion gas.
As the utility model preferred embodiment, separator outlet 12 connects the reactor inlet 21 being positioned at tar catalyticreactor 2 bottom surface, and tar catalyticreactor 2 is provided with reactor outlet 22 above.
Adopt tar catalyticreactor 2 to carry out catalytic cracking of tar, this section uses novel tar catalyticreactor 2.Biomass gasification burning after thick dedusting enters tar catalyticreactor 2, and most of tar is small molecules inflammable gas and non-combustible gas through catalytic decomposition.Tar catalyticreactor 2 adopts porous channel preformed catalyst and shell to form, and belongs to integrated fixed-bed catalytic device.Enter reactor inlet 21 place in combustion gas and combustion air entrance and water vapor entrance are installed, co catalysis scission reaction thing entrance can be installed as required.Temperature in tar catalyticreactor 2 controls at 500 ~ 1500 DEG C, can determine actual temp according to different catalyzer composition.This equipment adopts novel tar catalyticreactor 2, has catalytic efficiency high, catalyzer long service life, and the feature of stable equipment operation ensure that the steady running of whole equipment.
As the utility model preferred embodiment, reactor outlet 22 connects the fly-ash separator entrance 31 be positioned at above high temperature filtration fly-ash separator 3 side, is provided with house outlet 32 above the one side that high temperature filtration fly-ash separator 3 is relative with being provided with fly-ash separator entrance 31.
Adopt high temperature filtration fly-ash separator 3 as degree of depth dedusting, the reactor outlet 22 of tar catalyticreactor 2 is connected to high temperature filtration fly-ash separator 3, through first catalytic pyrolysis, the biomass gasification burning of most of tar passes into high temperature filtration fly-ash separator 3 and removes dust in biomass gasification burning, obtains the high-temperature biomass gasification burning of low dustiness.High temperature filtration fly-ash separator 3 is High Temperature Ceramic Filter or metal sintered filter, and the pore size filter of strainer is several to tens microns, and strainer can the high temperature of resistance to 1000 ~ 1800 DEG C.High temperature filtration fly-ash separator 3 is furnished with Pulse anti-blow device.
As the utility model preferred embodiment, house outlet 32 connects the boiler inlet 43 be positioned at above waste heat boiler 4 side, boiler replenishing water mouth 42 is provided with bottom waste heat boiler 4, waste heat boiler 4 end face is provided with low-pressure steam outlet 41, waste heat boiler 4 is positioned at bottom the one side relative with boiler inlet 43 and is provided with boiler export 44.
Adopt waste heat boiler 4 as preliminary cooling, the high-temperature biomass gasification burning removed through coke tar cracking is passed into waste heat boiler 4 and cools.Design the hot outlets temperature of waste heat boiler 4 below 200 DEG C, preferably about 100 DEG C.The steam that this workshop section waste heat boiler 4 produces can be used for plant area's industrial production, also can be used for life heat energy and uses, reach the object making full use of the energy.
As the utility model preferred embodiment, boiler export 44 connects the spray column entrance 52 be positioned at bottom spray column 5, spray column 5 bottom center is connected with circulating water pool 51, the outlet of circulating water pool 51 connects above spray column 5 side, spray column 5 end face is provided with spray column outlet 53, and spray column 5 is packing tower or void tower.
Adopt spray column 5 as degree of depth cooling and purification, be passed in spray column 5 through preliminary cooled low-temperature biological matter gasification burning and carry out degree of depth cooling and purification, make low-temperature biological matter gasification burning be further cooled to normal temperature.Spray column 5 can remove further to the few tar of content in low-temperature biological matter gasification burning and dust and other toxic and harmful compositions, obtains pure biomass gasification burning.Spray column 5 spray liquid can be recirculated cooling water or other organic coolants, and circulation fluid after spray flows into circulating water pool 51, then rises to cooling tower through pump and circulate.Because the low-temperature biological matter gasification burning entering spray column 5 is very low containing tar dustiness, spray liquid reusable edible, it is few that this equipment produces tar waste liquid.
As the utility model preferred embodiment, spray column outlet 53 connects the drying tower entrance 62 bottom drying tower 6, and drying tower 6 end face center is provided with gas outlet 61.
As the utility model preferred embodiment, in drying tower 6, hypomere is equipped with scum dredger, and epimere is equipped with siccative.
Adopt drying tower 6 dry as combustion gas, the normal temperature biomass gasification burning after spray passes into drying tower 6, removes the moisture that biomass gasification burning carries, obtains the high-quality biological matter gasification burning that moisture content is low.Scum dredger is equipped with in drying tower 6 lower end, and siccative is equipped with in upper end.
The utility model preferred embodiment 1: the biomass gasification burning that vapourizing furnace produces enters tar catalyticreactor 2 after cyclonic separator 1 rough dusting, and the biomass gasification burning amount entering tar catalyticreactor 2 is 2100Nm
3/ h, temperature are 530 DEG C, in tar catalyticreactor 2, pass into a certain amount of air, tar is removed at tar catalyticreactor 2 catalytic pyrolysis, and the high-temperature biomass gasification burning of generation leaves system successively after high temperature filtration fly-ash separator 3, waste heat boiler 4, spray column 5 and drying tower 6.Temperature before wherein biomass gasification burning enters high temperature filtration fly-ash separator 3 is 1023 DEG C, temperature when leaving waste heat boiler 4 is 125 DEG C, and temperature when leaving spray column 5 is 35 DEG C.It is 15mg/Nm that institute obtains the coal-tar middle oil content of clean biometric matter gasification burning
3, dust content is 11mg/Nm
3, moisture content is less than 2%.Purified and cooled biomass gasification burning by the biomass gasification burning containing tar, flying dust produced vapourizing furnace, can be applicable to fields such as the higher Industrial Stoves of combustion gas purity requirements.
The utility model preferred embodiment 2: the biomass gasification burning that vapourizing furnace produces enters tar catalyticreactor 2 after cyclonic separator 1 rough dusting, and the biomass gasification burning amount entering tar catalyticreactor 2 is 3000Nm
3/ h, temperature are 610 DEG C, in tar catalyticreactor 2, pass into a certain amount of air, tar is removed at tar catalyticreactor 2 catalytic pyrolysis, and the high-temperature biomass gasification burning of generation leaves system successively after high temperature filtration fly-ash separator 3, waste heat boiler 4, spray column 5 and drying tower 6.Temperature before wherein biomass gasification burning enters high temperature filtration fly-ash separator 3 is 1150 DEG C, temperature when leaving waste heat boiler 4 is 105 DEG C, and temperature when leaving spray column 5 is 45 DEG C.It is 20mg/Nm that institute obtains the coal-tar middle oil content of clean biometric matter gasification burning
3, dust content is 15 mg/Nm
3, moisture content is less than 2%.
This treating plant adopts novel tar catalyticreactor 2, combustion gas sensible heat utilization technology, high efficiency filter technology and electrical tar precipitator organic assembling, make the advantages such as tar removing efficiency of dust collection is high, stable, combustion gas sensible heat utilization rate is high, non-wastewater discharge, the high-quality biological matter gasification burning that can meet the utilization of special industry kiln after purification, can be obtained.
Certainly, the utility model is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (8)
1. a biomass gasification burning deep purifying device, it is characterized in that: comprise and connect biomass gasification burning and the cyclonic separator set gradually (1), tar catalyticreactor (2), high temperature filtration fly-ash separator (3), waste heat boiler (4), spray column (5) and drying tower (6), described cyclonic separator (1) is provided with fuel gas inlet (11), and described drying tower (6) is provided with gas outlet (61).
2. biomass gasification burning deep purifying device according to claim 1, is characterized in that: described fuel gas inlet (11) is located at above cyclonic separator (1) side, and described cyclonic separator (1) end face is provided with separator outlet (12).
3. biomass gasification burning deep purifying device according to claim 2, it is characterized in that: described separator outlet (12) connects the reactor inlet (21) being positioned at tar catalyticreactor (2) bottom surface, described tar catalyticreactor (2) is provided with reactor outlet (22) above.
4. biomass gasification burning deep purifying device according to claim 3, it is characterized in that: described reactor outlet (22) connects the fly-ash separator entrance (31) be positioned at above high temperature filtration fly-ash separator (3) side, is provided with house outlet (32) above the one side that described high temperature filtration fly-ash separator (3) is relative with being provided with fly-ash separator entrance (31).
5. biomass gasification burning deep purifying device according to claim 4, it is characterized in that: described house outlet (32) connects the boiler inlet (43) be positioned at above waste heat boiler (4) side, described waste heat boiler (4) bottom is provided with boiler replenishing water mouth (42), described waste heat boiler (4) end face is provided with low-pressure steam outlet (41), described waste heat boiler (4) is positioned at bottom the one side relative with boiler inlet (43) and is provided with boiler export (44).
6. biomass gasification burning deep purifying device according to claim 5, it is characterized in that: described boiler export (44) connects the spray column entrance (52) being positioned at spray column (5) bottom, described spray column (5) bottom center is connected with circulating water pool (51), the outlet of described circulating water pool (51) connects above spray column (5) side, described spray column (5) end face is provided with spray column outlet (53), and described spray column (5) is packing tower or void tower.
7. biomass gasification burning deep purifying device according to claim 6, is characterized in that: described spray column outlet (53) connects the drying tower entrance (62) of drying tower (6) bottom, and described drying tower (6) end face center is provided with gas outlet (61).
8. biomass gasification burning deep purifying device according to claim 7, is characterized in that: in described drying tower (6), hypomere is equipped with scum dredger, and epimere is equipped with siccative.
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| CN201420820571.5U CN204400934U (en) | 2014-12-18 | 2014-12-18 | A kind of biomass gasification burning deep purifying device |
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| CN201420820571.5U CN204400934U (en) | 2014-12-18 | 2014-12-18 | A kind of biomass gasification burning deep purifying device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949536A (en) * | 2015-07-08 | 2015-09-30 | 安徽新中远化工科技有限公司 | Waste heat recovery boiler system |
| CN105001920A (en) * | 2015-08-05 | 2015-10-28 | 华陆工程科技有限责任公司 | Circulating fluidized bed coal gas purification method |
| CN106422540A (en) * | 2016-10-25 | 2017-02-22 | 安徽帝元现代农业投资发展有限公司 | Cyclone type cooling and dust removal device for biomass combustible gas |
| CN107224821A (en) * | 2017-06-07 | 2017-10-03 | 常州菲胜图自动化仪器有限公司 | A kind of circulating natural gas dedirt purifier and its application process |
| CN107603680A (en) * | 2017-11-11 | 2018-01-19 | 安徽帝元现代农业投资发展有限公司 | A kind of vapor phase purification device in the production for biomass |
| CN107880945A (en) * | 2017-11-15 | 2018-04-06 | 青岛科信新能源技术有限公司 | A kind of biomass pyrolytic synthesis gas gas-liquid separating method |
| CN108219846A (en) * | 2018-03-28 | 2018-06-29 | 程石 | It is a kind of to utilize urban waste, the device of biomass combustion gas |
| CN109161408A (en) * | 2018-10-29 | 2019-01-08 | 上海电气集团股份有限公司 | A kind of biomass gasification burning catalytic cracking of tar purification process and its device |
| CN110055113A (en) * | 2018-05-18 | 2019-07-26 | 新能能源有限公司 | The pretreatment system of fluidized-bed gasification furnace production raw gas |
| CN110452741A (en) * | 2019-09-17 | 2019-11-15 | 山东大学 | Gasification of biomass gas phase decoking method, liquid phase decoking method and joint decoking method |
-
2014
- 2014-12-18 CN CN201420820571.5U patent/CN204400934U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949536A (en) * | 2015-07-08 | 2015-09-30 | 安徽新中远化工科技有限公司 | Waste heat recovery boiler system |
| CN105001920A (en) * | 2015-08-05 | 2015-10-28 | 华陆工程科技有限责任公司 | Circulating fluidized bed coal gas purification method |
| CN106422540A (en) * | 2016-10-25 | 2017-02-22 | 安徽帝元现代农业投资发展有限公司 | Cyclone type cooling and dust removal device for biomass combustible gas |
| CN107224821A (en) * | 2017-06-07 | 2017-10-03 | 常州菲胜图自动化仪器有限公司 | A kind of circulating natural gas dedirt purifier and its application process |
| CN107603680A (en) * | 2017-11-11 | 2018-01-19 | 安徽帝元现代农业投资发展有限公司 | A kind of vapor phase purification device in the production for biomass |
| CN107880945A (en) * | 2017-11-15 | 2018-04-06 | 青岛科信新能源技术有限公司 | A kind of biomass pyrolytic synthesis gas gas-liquid separating method |
| CN108219846A (en) * | 2018-03-28 | 2018-06-29 | 程石 | It is a kind of to utilize urban waste, the device of biomass combustion gas |
| CN110055113A (en) * | 2018-05-18 | 2019-07-26 | 新能能源有限公司 | The pretreatment system of fluidized-bed gasification furnace production raw gas |
| CN110055113B (en) * | 2018-05-18 | 2023-12-12 | 新能能源有限公司 | Pretreatment system for crude gas produced by fluidized bed gasifier |
| CN109161408A (en) * | 2018-10-29 | 2019-01-08 | 上海电气集团股份有限公司 | A kind of biomass gasification burning catalytic cracking of tar purification process and its device |
| CN109161408B (en) * | 2018-10-29 | 2021-01-19 | 上海电气集团股份有限公司 | Catalytic cracking and purifying process and device for tar of biomass gasification gas |
| CN110452741A (en) * | 2019-09-17 | 2019-11-15 | 山东大学 | Gasification of biomass gas phase decoking method, liquid phase decoking method and joint decoking method |
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