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Biomass gasification fired boiler

A biomass and boiler technology, applied in the boiler field, can solve problems such as poor combustion stability, low boiler thermal efficiency, and high smoke emission concentration, and achieve the effects of scientific material feeding, reduced labor intensity, and environmental friendliness

Inactive Publication Date: 2011-02-16
张建超 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The existing biomass fuel boilers, due to the use of traditional boiler combustion methods, inevitably have problems such as poor combustion stability, low boiler thermal efficiency, and high smoke and dust emission concentrations.

Method used

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  • Biomass gasification fired boiler
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  • Biomass gasification fired boiler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] A biomass gasification combustion boiler with a boiler output of 300kg / h, such as figure 1 As shown, it includes a furnace body, a blower, an air duct, a feeding device and a biomass burning device, and is characterized in that:

[0035] The air duct includes: a primary air duct 7 and a secondary air duct 1, and a butterfly valve 6 and a butterfly valve 2 are installed respectively; the blower 4 is connected to the primary air duct 7 and the secondary air duct 1 through a tee 3;

[0036] Described biomass burning device comprises:

[0037] The primary air box 16 is located at the bottom of the combustion device, and its central position is connected with the feeding device, and is connected with the primary air pipe 7 through the primary air inlet at the lower part of the side wall;

[0038] The secondary air duct 13 is an annular air duct located at the top of the combustion device, and is connected tangentially to the secondary air duct 1 through the secondary air in...

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Abstract

The invention relates to a biomass gasification fired boiler. The biomass gasification fired boiler can lead biomass fuel to generate combustible gases such as carbon monoxide, dimethylmethane, methane and the like without adding any chemical combustion improvers by adopting the principle of fluidized combustion through heat energy reaction, convert the biomass fuel into excellent combustible gases through preheating and dry distillation; and the biomass fuel is fully mixed with air through the design of primary air, secondary air and a tuyere to completely achieve smokeless, dustless and nuisanceless gas emission. In addition, the design of an underneath type spiral feeding system further improves the integral design of the boiler; and the biomass gasification fired boiler has more scientific feeding, is environment-friendly, and can greatly reduce the labor intensity of workers and improve the working environment.

Description

technical field [0001] The invention relates to a boiler, in particular to a biomass gasification combustion boiler. Background technique [0002] Biomass refers to various organisms formed through photosynthesis, including all animals, plants and microorganisms. The so-called biomass energy is the energy form of solar energy stored in biomass in the form of chemical energy, that is, the energy with biomass as the carrier. It is directly or indirectly derived from the photosynthesis of green plants, and can be converted into conventional solid, liquid and gaseous fuels. It is inexhaustible and inexhaustible. It is a renewable energy source and the only renewable energy source. carbon source. [0003] Biomass energy has some unparalleled advantages over other energy sources, including: [0004] 1) Renewability [0005] 2) Low pollution [0006] The sulfur content and nitrogen content of biomass are low, and the SOX and NOX generated during the combustion process are less...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23C10/00F23C10/18F23C10/20F23C10/22C10J3/60C10J3/50
CPCY02E20/18
Inventor 张建超尤凯军张瑜
Owner 张建超
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