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Biomass fluidized bed boiler

A fluidized bed boiler and biomass technology, which is applied in the field of boilers, can solve the problems of horizontal air distribution of multi-return flues, etc.

Inactive Publication Date: 2016-06-01
广州迪森热能设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of swirling air in a rising state is only suitable for the furnace air distribution application of traditional boilers, but it is not suitable for the horizontal air distribution of multi-return flues. Therefore, a new air distribution structure needs to be studied

Method used

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  • Biomass fluidized bed boiler
  • Biomass fluidized bed boiler
  • Biomass fluidized bed boiler

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] Such as figure 1 As shown, the biomass fluidized bed is composed of a boiler body, a feed device 22 and an economizer 23 .

[0024] The main body of the boiler is composed of a furnace body 1, an upper drum 2, a lower drum 3, a convection tube bundle 6 and a multi-membrane wall. The upper drum 2 and the lower drum 3 are vertically arranged. The furnace body 1 is mainly an insulating layer, and the outer shell of the insulating layer is wrapped. The inner cavity of the furnace body 1 is provided with a vertical upper drum 2, a vertical lower drum 3, a convection tube bundle 6 and a multi-membrane wall.

[0025] The upper drum 2 and the lower drum 3 are connected with the convection tube bundle 6, the front membrane wall 7, the rear membrane wall 8, the left membrane wall 9 and the right membrane wall 10, the middle membrane wall 11 and the C-shaped membrane wall. wall 12. The front membrane wall 7 and the rear membrane wall 8 are respectively located at both ends of ...

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Abstract

The invention discloses a biomass fluidized bed boiler. A front film type wall, a rear film type wall, side film type walls and a C-shaped film type wall are further connected between an upper boiler cylinder and a lower boiler cylinder of a boiler body. A combustion chamber is defined and formed by the front film type wall, the rear film type wall, the side film type walls and the C-shaped film type wall. A fluidized bed chamber is arranged in the combustion chamber. A flue is defined and formed by the upper boiler cylinder, the lower boiler cylinder, the front film type wall, the rear film type wall, the left film type wall and the right film type wall. The fluidized bed combustion room and the flue are each of a full film type wall structure, so that airtightness is good, air leakage does not exist, the heat losses are reduced, the heat efficiency of the boiler is improved, and the waste heat smoke exhaust temperature is better reduced. The boiler body is provided with the light film type walls, so that the overall weight of the boiler is reduced.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a biomass-fired fluidized bed boiler. Background technique [0002] Currently, with society's increasing demand for energy, fossil fuels as the main source of energy are significantly and rapidly decreasing. Therefore, the development of renewable alternative energy sources has become the focus of urgent attention. Biomass energy is an ideal renewable energy. Biomass fuel is a recycled energy source after processing agricultural and forestry waste. Because the content of sulfur and nitrogen in biomass is very low, it is a renewable and clean energy that can be used to replace As an important fuel for boilers, coal has social benefits and good economic benefits of energy saving and emission reduction. In recent years, with the widespread application of biomass briquettes, the use of dedicated biomass boilers is one of the important ways to utilize biomass energy. [0003] The m...

Claims

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Application Information

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IPC IPC(8): F22B31/00F23C10/00F23C10/18F23C10/24
CPCF22B31/0015F23C10/00F23C10/18F23C10/24
Inventor 廖德亮张朝阳黄茅谭融婷吴昆健
Owner 广州迪森热能设备有限公司
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