Biomass fuel boiler

A biomass fuel and biomass energy technology, applied in steam generation, steam generation devices, fluid heaters, etc., can solve the problems of reduced boiler use function, high heat, gelling, etc., and achieve the improvement of flame temperature and thermal efficiency. The effect of gluing

Inactive Publication Date: 2010-09-29
范家文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this state, the fuel is sucked out of the combustion chamber by the wind before it is fully burned in the combustion chamber, so the characteristics of high combustion heat of biomass pellet fuel cannot be fully utilized, and because the combustion of biomass pellets is not complete enough, part of the residue produced after combustion The material will be glued in the boiler, which will reduce the various functions of the boiler

Method used

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Embodiment Construction

[0011] The present invention is mainly composed of an outer shell 3, a water storage chamber 2 and a combustion chamber 5. The top of the shell 3 is provided with a flue 1, and on the upper part of the combustion chamber 5 is a multi-drainage pipe 4 connected with the water storage chamber 2 at both ends. The water pipe 4 is inclined Installed in the combustion chamber 5. The burner 6 at the lower part of the combustion chamber 5 includes an inner cylindrical body 15 and an outer enclosed body 16. There is an ignition device 7 in the middle of the bottom of the inner cylindrical body 15, and the outer enclosed body 16 communicates with the fan 9; The bottom and sides of the cylinder 15 have air inlets in the middle and upper part. The air inlets 17 on the bottom of the inner layer of the burner 6 are a plurality of evenly distributed circular hole-shaped air inlets; the air inlet 18 in the middle of the inner side of the burner is a circle The upper and lower narrow and long ai...

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Abstract

The invention discloses a biomass fuel boiler which is equipped with an outer shell and an inner combustion chamber, wherein, a water storage room is arranged between a barrel and the combustion chamber, and a burner is arranged at the lower part of the combustion chamber. The biomass fuel boiler is characterized in that the burner is of a double-layer sleeve structure, wherein, the inner layer thereof is a cylinder with an open on the upper surface, and an ignition device is arranged in the middle of the bottom; an outer layer is a closed body which is communicated with a fan and is used for enclosing the inner-layer cylinder besides an open mouth; and air intakes are arranged at the middle part and the upper part of the bottom and the side of the inner-layer cylinder; and a particle fuel tank is arranged at the side of the shell, and particle fuel is connected to the burner through a twisting cage. In the invention, three types of combustion air such as upper straight air, middle spiral air and bottom raising air are formed in the burner by changing the mode of air supply, wherein, the bottom raising air enables biomass particles to suspend in the burner; the middle spiral air enables biomass fuel more dispersed and more fully burned; and the upper straight air performs secondary oxygen supply to achieve more thorough combustion and improve thermal efficiency.

Description

1. Technical Field [0001] The invention relates to a biomass fuel boiler, which is suitable for users who use hot water or steam. 2. Background technology [0002] As a new type of renewable energy, biomass fuel is widely used because of its high combustion heat, easy storage, easy transportation, and no pollution. In recent years, biomass pellet fuel has also been applied to the boiler industry. Existing biomass fuel boilers use exhaust fans to draw air to generate negative pressure in the combustion chamber and allow the fuel to burn under negative pressure. In this state, the fuel is sucked out of the combustion chamber by the wind before it is fully burned in the combustion chamber. Therefore, the high combustion calorie characteristics of biomass pellet fuel cannot be fully utilized, and because the combustion of biomass pellets is not complete, part of the residue produced after combustion In the boiler, glue is formed, which reduces the various functions of the boiler. 3...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H1/44F24H9/18F24H9/20F22B33/00
Inventor 范家文
Owner 范家文
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