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Straw bundling semi-gasification combustion boiler

A semi-gasification and straw technology, applied in the field of heating boilers, can solve the problems of insufficient energy saving and environmental protection, unreasonable design, etc., and achieve the effect of convenient operation, reasonable and ingenious design, and simple and reasonable structure

Active Publication Date: 2016-12-07
LIAONING HEBAIYI BIOMASS TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current straw combustion boiler design is not very reasonable, not enough energy saving and environmental protection

Method used

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  • Straw bundling semi-gasification combustion boiler
  • Straw bundling semi-gasification combustion boiler
  • Straw bundling semi-gasification combustion boiler

Examples

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] Such as figure 1 As shown, the straw bundling semi-gasification combustion boiler of the present invention includes combustion chambers A and B, converters A and B, fan 4, gas mixing device 5, heat source burner 6, ash removal box 7, and ash removal port 8 , Body of furnace 9, smoke outlet 10. The high-temperature parts such as the combustion chamber and the furnace body are equipped with water jackets, and the water jackets are connected with the heating system.

[0028] figure 2 As shown, the outer ring around the gas mixing device enters the flue gas, and the flue gas comes from the A and B combustion chambers. The air from the inner ring in the middle comes from fan 4. The smoke 3 is mixed with the air 4 to form combustible mixed smoke 12 .

[0029] image 3 As shown, the double-screw feeding device comprises a motor 14, an air inlet pipe 15...

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Abstract

The invention discloses a straw bundling semi-gasification combustion boiler mainly comprising semi-gasification combustion chambers, a gas mixing device and a heat source combustor; the semi-gasification combustion chambers are double combustion chambers, and vent holes are respectively formed in the bottom and middle of the semi-gasification combustion chambers; the gas mixing device is of a sleeve-shaped structure and is provided with a smoke channel at the outer ring and an air channel at the inner ring; the heat source combustor comprises a feeding device and a porous slot-type fire grate, and a cavity at the upper part of the porous slot-type fire grate is a fire bed; an inlet is formed at the rear end of the gas mixing device, the smoke channel at the outer ring communicates with a smoke vent of the semi-gasification combustion chambers, and the air channel at the inner ring is connected with a draught fan; and the front end of the gas mixing device is a smoke and air mixing end corresponding to the position of the fire bed located on the heat source combustor. The structure is an innovation in the field of direct straw bundling gasification combustion, is clean, environmental-friendly, sufficient in combustion, high in heat utilization efficiency, capable of realizing standardized discharge and low in cost and is a breakthrough in the field of boiler heating for village and township enterprises and public institutions.

Description

Technical field: [0001] The invention relates to a heating boiler, in particular to a heat source boiler that directly burns straw in bundles. Background technique: [0002] Traditional boilers are mostly coal-fired. The national air pollution control will ban coal-fired boilers below 10 tons, switch to clean energy, and promote the use of electricity, fuel oil, gas, and biomass-fired boilers. Using the above four methods as the heat source of the boiler, the heating cost will increase more, and the operating cost will be high. According to the operating cost under the current conditions, electricity>fuel>gas>biomass. The operating cost of using biomass briquette fuel is still twice as high as that of coal. Therefore, it is an inevitable choice to develop and directly bundle and burn straws for heating of township enterprises and institutions and high-efficiency agricultural greenhouses. [0003] The operation cost of directly bundling and burning straw is low, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24B1/183F24B1/191F23B10/02C10J3/00
CPCC10J3/00F23B10/02F24B1/183F24B1/191Y02P20/10
Inventor 赵利华李明彪孟雨张维
Owner LIAONING HEBAIYI BIOMASS TECH DEV
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