CN104930500A - Biomass particle gas feed type gasification secondary-combustion type smoke and steam boiler system - Google Patents
Biomass particle gas feed type gasification secondary-combustion type smoke and steam boiler system Download PDFInfo
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- CN104930500A CN104930500A CN201510387432.7A CN201510387432A CN104930500A CN 104930500 A CN104930500 A CN 104930500A CN 201510387432 A CN201510387432 A CN 201510387432A CN 104930500 A CN104930500 A CN 104930500A
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Abstract
The invention relates to a biomass particle gas feed type gasification secondary-combustion type smoke and steam boiler system. The system is characterized in that the system comprises a gas feed type gasification boiler, a secondary combustion chamber and a smoke boiler, the upper portion of the gas feed type gasification boiler is provided with a feeding bin, and a bottom outlet of the feeding bin is connected with a feeding opening in the upper portion of the gas feed type gasification boiler through a feeding screw conveyer; the top of the gas feed type gasification boiler is provided with a fuel outlet, the fuel outlet is connected with a fuel inlet in the top of the secondary combustion chamber through a fuel pipe, and the bottom of the secondary combustion chamber is connected with the smoke boiler through a first smoke pipe; the upper portion of the secondary combustion chamber is provided with a first-stage air inlet device and a second-stage air inlet device, and the first-stage air inlet device and the second-stage air inlet device are connected with an air outlet of a secondary-combustion air blower. By means of the biomass particle gas feed type gasification secondary-combustion type smoke and steam boiler system, the better combustion effect can be guaranteed, and the semi-dry type purifying effect on smoke can be achieved.
Description
Technical field
The present invention relates to a kind of heating gas system, on especially a kind of biological particles, gas formula gasifies two combustion flue gas steam boiler systems.
Background technology
Gasification of biomass---directly the combustion mode thermal efficiency is high, and tar ratio is less, and easy to use.Biomass material (as waste wood matter corner material, faggot, shrub, stalk etc.) produces coal gas through thermal chemical reaction in gasification furnace, and its outlet temperature can reach 400 ~ 600 DEG C.
Current gasification of biomass heating gas device main direction of studying have following some: how (1) obtains combustion efficiency better; (2) the adjustment problem of combusting firepower size; (3) purifying problem etc. of burning gained flue gas.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide gas formula on a kind of biological particles to gasify two combustion flue gas steam boiler systems, ensure that combustion efficiency is better, and the half dry type clean-up effect of flue gas can be realized.
According to technical scheme provided by the invention, on described biological particles, gas formula gasifies two combustion flue gas steam boiler systems, it is characterized in that: comprise gas formula gasification furnace, secondary combustion chamber and flue gas boiler, the top of upper gas formula gasification furnace is installed into feed bin, and the outlet at bottom of feeding warehouse is connected by the charging aperture of feeding spiral conveyer with upper gas formula gasification furnace top; Gas outlet is established at the top of described upper gas formula gasification furnace, and gas outlet is connected by the fuel gas inlet of gas pipeline with secondary combustion chamber top, connects flue gas boiler bottom secondary combustion chamber by the first flue; The top of described secondary combustion chamber is provided with main air inlet device and secondary air inlet device, and main air inlet device is connected with the air outlet of second-time burning air blast respectively with secondary air inlet device.
Further, elevator is installed in described feeding warehouse side, and elevator arranges material inlet.
Further, the outlet of described flue gas boiler connects afterheat heat exchanger by the second flue, and the exhanst gas outlet of afterheat heat exchanger connects foam dust collector, and the outlet of foam dust collector connects air-introduced machine, and the outlet of air-introduced machine connects electrostatic smoke duster.
Further, scraper is installed at the top of gas formula gasification furnace on described, and reducing motor is installed in the upper end of scraper.
Further, ash-pan transmission mechanism is installed in the bottom of gas formula gasification furnace on described, and the power intake of ash-pan transmission mechanism is connected with grey coil motor, and at ash-pan transmission mechanism, place establishes blast inlet, and blast inlet is connected with the air outlet of air blast; In the bottom of described ash-pan transmission mechanism, conveying worm is set.
On biological particles of the present invention, gas formula gasifies two combustion flue gas steam boiler systems, gas formula gasification furnace in employing, ensures the effect of burning; And the uniformity of charging is ensured by the scraper above gasification furnace; The flue gas of boiler export reaches the effect of half dry type purification by a series of purifier.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the invention will be further described.
As shown in Figure 1: on described biological particles, the gas formula two combustion flue gas steam boiler systems that gasify comprise air blast 1, elevator 2, material inlet 3, feeding warehouse 4, feeding spiral conveyer 5, reducing motor 6, scraper 7, gas outlet 8, upper gas formula gasification furnace 9, ash-pan transmission mechanism 10, ash coil motor 11, conveying worm 12, gas pipeline 13, fuel gas inlet 14, main air inlet device 15, secondary air inlet device 16, second-time burning air blast 17, secondary combustion chamber 18, first flue 19, flue gas boiler 20, second flue 21, afterheat heat exchanger 22, foam dust collector 23, air-introduced machine 24, electrostatic smoke duster 25 etc.
As shown in Figure 1, the present invention includes gas formula gasification furnace 9, secondary combustion chamber 18 and flue gas boiler 20, the top of upper gas formula gasification furnace 9 is installed into feed bin 4, elevator 2 is installed in feeding warehouse 4 side, elevator 2 is arranged material inlet 3, by raw material input material inlets 3 such as biological particles, then be delivered to feeding warehouse 4 by elevator 2; The outlet at bottom of described feeding warehouse 4 is connected with the charging aperture on upper gas formula gasification furnace 9 top by feeding spiral conveyer 5; Gas outlet 8 is established at the top of described upper gas formula gasification furnace 9, gas outlet 8 is connected by the fuel gas inlet 14 of gas pipeline 13 with secondary combustion chamber 18 top, flue gas boiler 20 is connected by the first flue 19 bottom secondary combustion chamber 18, the outlet of flue gas boiler 20 connects afterheat heat exchanger 22 by the second flue 21, the exhanst gas outlet of afterheat heat exchanger 22 connects foam dust collector 23, the outlet of foam dust collector 23 connects air-introduced machine 24, and the outlet of air-introduced machine 24 connects electrostatic smoke duster 25.
The top of described secondary combustion chamber 18 is provided with main air inlet device 15 and secondary air inlet device 16, and main air inlet device 15 is connected with the air outlet of second-time burning air blast 17 respectively with secondary air inlet device 16.
Scraper 7 is installed at the top of gas formula gasification furnace 9 on described, the scraping rod that scraper 7 can carry out rotating for stretching into upper gas formula gasification furnace 9 inside, reducing motor 6 is installed in the upper end of scraper 7, and scraper 7 is uniformly distributed the raw material entering gas formula gasification furnace 9 under the operation of reducing motor 6.
Ash-pan transmission mechanism 10 is installed in the bottom of gas formula gasification furnace 9 on described, and the power intake of ash-pan transmission mechanism 10 is connected with grey coil motor 11, and at ash-pan transmission mechanism 10, place establishes blast inlet, and blast inlet is connected with the air outlet of air blast 1; Conveying worm 12 is set in the bottom of described ash-pan transmission mechanism 10, for the ash of burning gained is transferred out gasification furnace body of heater.
The course of work of the present invention: the raw materials such as biological particles enter system by material inlet 3, then enters feeding warehouse 4 by elevator 2, then enters upper gas formula gasification furnace 9 by the airlock of good seal performance and the effect of feeding spiral conveyer 5.On this, gas formula gasification furnace 9 top is provided with scraper 7, and the effect of scraper 7 is under the manipulation of reducing motor 6, is uniformly distributed, thus makes burning obtain better effect to the raw material entering upper gas formula gasification furnace 9.Go up in addition bottom gas formula gasification furnace 9 and be provided with ash-pan transmission mechanism 10, ash-pan transmission mechanism 10 carries out work under the acting in conjunction of air blast 1 and grey coil motor 11.Also be provided with conveying worm 12 in the bottom of ash-pan transmission mechanism 10, effect is that the ash of burning gained is transferred out upper gas formula gasification furnace 9 body of heater.The combustion gas of burning gained is flowed out from gas outlet 8, by gas pipeline 13, arrives fuel gas inlet 14, enters secondary combustion chamber 18.Air is sent into secondary combustion chamber 18 by main air inlet device 15, secondary air inlet device 16 by second-time burning air blast 17, and second-time burning is carried out in combustion gas.The flue gas of burning gained enters flue gas boiler 20 through the first flue 19, then by the second flue 21, enters afterheat heat exchanger 22, foam dust collector 23, air-introduced machine 24, electrostatic smoke duster 25 successively, finally reaches the effect of half dry type purification.
Claims (5)
1. on a biological particles, gas formula gasifies two combustion flue gas steam boiler systems, it is characterized in that: comprise gas formula gasification furnace (9), secondary combustion chamber (18) and flue gas boiler (20), the top of upper gas formula gasification furnace (9) is installed into feed bin (4), and the outlet at bottom of feeding warehouse (4) is connected with the charging aperture on upper gas formula gasification furnace (9) top by feeding spiral conveyer (5); Gas outlet (8) is established at the top of described upper gas formula gasification furnace (9), gas outlet (8) is connected with the fuel gas inlet (14) at secondary combustion chamber (18) top by gas pipeline (13), and secondary combustion chamber (18) bottom connects flue gas boiler (20) by the first flue (19); The top of described secondary combustion chamber (18) is provided with main air inlet device (15) and secondary air inlet device (16), and main air inlet device (15) is connected with the air outlet of second-time burning air blast (17) respectively with secondary air inlet device (16).
2. on biological particles as claimed in claim 1, gas formula gasifies two combustion flue gas steam boiler systems, it is characterized in that: elevator (2) is installed in described feeding warehouse (4) side, elevator (2) is arranged material inlet (3).
3. on biological particles as claimed in claim 1, gas formula gasifies two combustion flue gas steam boiler systems, it is characterized in that: the outlet of described flue gas boiler (20) connects afterheat heat exchanger (22) by the second flue (21), the exhanst gas outlet of afterheat heat exchanger (22) connects foam dust collector (23), the outlet of foam dust collector (23) connects air-introduced machine (24), and the outlet of air-introduced machine (24) connects electrostatic smoke duster (25).
4. on biological particles as claimed in claim 1, gas formula gasifies two combustion flue gas steam boiler systems, it is characterized in that: scraper (7) is installed at the top of gas formula gasification furnace (9) on described, and reducing motor (6) is installed in the upper end of scraper (7).
5. on biological particles as claimed in claim 1, gas formula gasifies two combustion flue gas steam boiler systems, it is characterized in that: ash-pan transmission mechanism (10) is installed in the bottom of gas formula gasification furnace (9) on described, the power intake of ash-pan transmission mechanism (10) is connected with grey coil motor (11), establish blast inlet at ash-pan transmission mechanism (10) place, blast inlet is connected with the air outlet of air blast (1); In the bottom of described ash-pan transmission mechanism (10), conveying worm (12) is set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510387432.7A CN104930500B (en) | 2015-07-03 | 2015-07-03 | Two combustion flue gas steam boiler systems of gas formula gasification on biological particles |
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| CN201510387432.7A CN104930500B (en) | 2015-07-03 | 2015-07-03 | Two combustion flue gas steam boiler systems of gas formula gasification on biological particles |
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| CN104930500B CN104930500B (en) | 2017-07-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605559A (en) * | 2016-03-12 | 2016-05-25 | 李菊泉 | Biomass high-temperature oxidation device |
| CN110360571A (en) * | 2019-07-19 | 2019-10-22 | 泉州台商投资区恒鑫隆网络科技有限公司 | A kind of house refuse classification pyrolysis gasification furnace with evenly dispersed pyrolysis |
| CN112325255A (en) * | 2020-11-01 | 2021-02-05 | 农业农村部农业生态与资源保护总站 | Straw gasification direct-fired steam boiler device |
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| JPH10310783A (en) * | 1997-05-13 | 1998-11-24 | Ebara Corp | High-temperature gasification of waste and system therefor |
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| CN204756905U (en) * | 2015-07-03 | 2015-11-11 | 无锡市特能机电有限公司 | Formula flue gas gas boilers system is fired in gasification no. 2 of gas formula on living beings granule |
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2015
- 2015-07-03 CN CN201510387432.7A patent/CN104930500B/en active Active
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| JPH10310783A (en) * | 1997-05-13 | 1998-11-24 | Ebara Corp | High-temperature gasification of waste and system therefor |
| JP2002317915A (en) * | 2001-04-19 | 2002-10-31 | Ebara Corp | Gasifying melting furnace facility, and its operation method |
| US20030110994A1 (en) * | 2001-12-14 | 2003-06-19 | Vitali Lissianski | Integration of direct combustion with gasification for reduction of NOx Emissions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105605559A (en) * | 2016-03-12 | 2016-05-25 | 李菊泉 | Biomass high-temperature oxidation device |
| CN110360571A (en) * | 2019-07-19 | 2019-10-22 | 泉州台商投资区恒鑫隆网络科技有限公司 | A kind of house refuse classification pyrolysis gasification furnace with evenly dispersed pyrolysis |
| CN110360571B (en) * | 2019-07-19 | 2020-11-06 | 惠安县崇武镇洛妤茶具商行 | Domestic waste grading pyrolysis gasifier with homodisperse pyrolysis |
| CN112325255A (en) * | 2020-11-01 | 2021-02-05 | 农业农村部农业生态与资源保护总站 | Straw gasification direct-fired steam boiler device |
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| CN104930500B (en) | 2017-07-28 |
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