CN104964308A - Hot coal gas system of positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace - Google Patents
Hot coal gas system of positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace Download PDFInfo
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- CN104964308A CN104964308A CN201510387434.6A CN201510387434A CN104964308A CN 104964308 A CN104964308 A CN 104964308A CN 201510387434 A CN201510387434 A CN 201510387434A CN 104964308 A CN104964308 A CN 104964308A
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Abstract
The invention relates to a hot coal gas system of a positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace. The hot coal gas system of the positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace is characterized by comprising a raw material bin, a gasification furnace and a burner, a feed inlet is formed in the bottom of the raw material bin, and the feed inlet is connected with a gasification furnace feed inlet through a pneumatic conveying pump; the gasification furnace is composed of a gasification furnace lower furnace body, a gasification furnace middle furnace body and a gasification furnace upper furnace body, a gasification furnace air inlet is formed in the bottom of the gasification furnace lower furnace body, a gas outlet is formed in the top of the gasification furnace upper furnace body, the gas outlet is connected with an inlet of the burner through a gas pipeline, and the air inlet of the burner is connected with a burner fan; a gas inlet regulator is installed between the gas pipeline and the inlet of the burner, and an air inlet regulator is installed between the air inlet of the burner and the burner fan. According to the hot coal gas system of the positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace, positive-pressure type fluidization and the entrained-bed gasification furnace are adopted, the burning effect is guaranteed; in addition, regulation of burning fire is achieved by regulating the amount of the gas and the air.
Description
Technical field
The present invention relates to a kind of gasification furnace heating gas system, especially a kind of heating gas system of positive-pressure type biomass powder powder fluidized airflow bed gasification furnace.
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 combustion gas 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, a kind of heating gas system of positive-pressure type biomass powder powder fluidized airflow bed gasification furnace is provided, the adjustment of combusting firepower can be realized, ensure combustion efficiency.
According to technical scheme provided by the invention, the heating gas system of described positive-pressure type biomass powder powder fluidized airflow bed gasification furnace, it is characterized in that: comprise raw material cabin, gasification furnace and burner, charging aperture is established in the bottom of raw material cabin, and charging aperture is connected with gasification furnace charging aperture by Pneumatic conveying pump; Described gasification furnace is made up of body of heater in steam stove lower furnace body, gasification furnace and gasification furnace upper furnace body, gasification furnace is established to enter air scoop in the bottom of gasification furnace lower furnace body, gas outlet is established at the top of gasification furnace upper furnace body, gas outlet connects the import of burner by gas pipeline, the air intlet install combustion device blower fan of burner; Fuel gas inlet adjuster is installed between described combustion pipe and the import of burner, between the air intlet and burner blower fan of burner, air intlet adjuster is installed.
Further, described Pneumatic conveying pump is connected with Roots blower.
Further, enter air scoop at described gasification furnace and connect air-blaster.
The heating gas system of positive-pressure type biomass powder powder fluidized airflow bed gasification furnace of the present invention, adopts positive-pressure type fluidisation, airflow bed gasification furnace, ensures the effect of burning; In addition, realized the adjustment of combusting firepower by the number of regulating gas and air, heat of gasification efficiency can reach 80-90%.
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: the heating gas system of described positive-pressure type biomass powder powder fluidized airflow bed gasification furnace comprises Roots blower 1, Pneumatic conveying pump 2, charging aperture 3, raw material cabin 4, gasification furnace charging aperture 5, gasification furnace enters air scoop 6, gasification furnace lower furnace body 7, body of heater 8 in gasification furnace, gasification furnace upper furnace body 9, gas outlet 10, gas pipeline 11, fuel gas inlet adjuster 12, burner 13, air-blaster 14, air intlet adjuster 15, burner blower fan 16, burner outlet 17 etc.
As shown in Figure 1, the present invention includes raw material cabin 4, gasification furnace and burner 13, charging aperture 3 is established in the bottom of raw material cabin 4, and charging aperture 3 is connected with gasification furnace charging aperture 5 by Pneumatic conveying pump 2, and Pneumatic conveying pump 2 is connected with Roots blower 1; Described gasification furnace is made up of body of heater 8 in steam stove lower furnace body 7, gasification furnace and gasification furnace upper furnace body 9, establishes gasification furnace to enter air scoop 6 in the bottom of gasification furnace lower furnace body 7, and change stove enters air scoop 6 and connects air-blaster 14; Gas outlet 10 is established at the top of described gasification furnace upper furnace body 9, and gas outlet 10 connects the import of burner 13 by gas pipeline 11, the air intlet install combustion device blower fan 16 of burner 13.
Between described combustion pipe 11 and the import of burner 13, fuel gas inlet adjuster 12 is installed, between the air intlet and burner blower fan 16 of burner 13, air intlet adjuster 15 is installed, air can be regulated to realize the adjustment of combusting firepower size by combustor inlet adjuster 12 regulating gas and by air intlet adjuster 15.
The course of work of the present invention: after the raw material such as biomass powder, coal dust enters system from raw material cabin 4, through charging aperture 3, enters positive-pressure type fluidisation, airflow bed gasification furnace from gasification furnace charging aperture 5 under the effect of Roots blower 1 and Pneumatic conveying pump 2.The air that air-blaster 14 enters air scoop 6 feeding from gasification furnace carries out anoxycausis with raw material in gasification furnace body of heater, after burning, the combustion gas of gained is flowed out from gas outlet 10, burner 13 is arrived via gas pipeline 11, the air sent into burner blower fan 16 burns again, the last effect reaching burning at burner outlet 17, the size of combusting firepower can by combustor inlet adjuster 12 regulating gas number and air intlet adjuster 15 regulate air number regulate.
Claims (3)
1. the heating gas system of a positive-pressure type biomass powder powder fluidized airflow bed gasification furnace, it is characterized in that: comprise raw material cabin (4), gasification furnace and burner (13), charging aperture (3) is established in the bottom of raw material cabin (4), and charging aperture (3) is connected with gasification furnace charging aperture (5) by Pneumatic conveying pump (2); Described gasification furnace is made up of body of heater (8) in steam stove lower furnace body (7), gasification furnace and gasification furnace upper furnace body (9), gasification furnace is established to enter air scoop (6) in the bottom of gasification furnace lower furnace body (7), gas outlet (10) is established at the top of gasification furnace upper furnace body (9), gas outlet (10) connects the import of burner (13) by gas pipeline (11), air intlet install combustion device blower fan (16) of burner (13); Fuel gas inlet adjuster (12) is installed between described combustion pipe (11) and the import of burner (13), between the air intlet and burner blower fan (16) of burner (13), air intlet adjuster (15) is installed.
2. the heating gas system of positive-pressure type biomass powder powder fluidized airflow bed gasification furnace as claimed in claim 1, is characterized in that: described Pneumatic conveying pump (2) connects Roots blower (1).
3. the heating gas system of positive-pressure type biomass powder powder fluidized airflow bed gasification furnace as claimed in claim 1, is characterized in that: enter air scoop (6) at described gasification furnace and connect air-blaster (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510387434.6A CN104964308A (en) | 2015-07-03 | 2015-07-03 | Hot coal gas system of positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510387434.6A CN104964308A (en) | 2015-07-03 | 2015-07-03 | Hot coal gas system of positive-pressure type biomass powder coal powder fluidization entrained-bed gasification furnace |
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| CN104964308A true CN104964308A (en) | 2015-10-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373934A (en) * | 2018-05-18 | 2018-08-07 | 华北电力大学（保定） | Multiple types Biomass Gasification in Circulating Fluidized Bed reactor and its gasification process |
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| DE102006050603A1 (en) * | 2006-10-26 | 2008-04-30 | Ständer, Wolfgang, Dr.Ing. | Gasifying biomass comprises compression in a crammer screw press, processing in a shredder screw press and partial combustion in a gasification chamber |
| CN201626942U (en) * | 2010-02-06 | 2010-11-10 | 周开根 | Plasma coal gasification equipment |
| CN101781579A (en) * | 2010-04-07 | 2010-07-21 | 王治刚 | Biomass gasification method and biomass gasification furnace |
| US20150159096A1 (en) * | 2011-12-06 | 2015-06-11 | Mitsubishi Heavy Industries, Ltd. | Fuel gasification system, control method and control program therefor, and fuel gasification combined power generation system provided with fuel gasification system |
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| CN108373934A (en) * | 2018-05-18 | 2018-08-07 | 华北电力大学（保定） | Multiple types Biomass Gasification in Circulating Fluidized Bed reactor and its gasification process |
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Application publication date: 20151007 |