Fluidized bed boiler for incinerating straws

A fluidized bed boiler and straw technology, which is applied in the directions of fluidized bed combustion equipment, combustion method, combustion type, etc., can solve the problems that the boiler cannot be used for straw fuel, the boiler is easy to accumulate ash and heat energy conversion, and the pollutant emission is high. The effect of good fuel ash activity, good market prospect and low combustion temperature

Inactive Publication Date: 2015-05-27
芜湖市先利再生能源科技有限公司
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The incineration boiler is an important equipment for straw bio-incineration energy conversion. The existing straw incineration boiler has low combustion efficiency, high pollutant emissions, and easy ash accumulation in the flue of the boiler affects thermal energy conversion. The boiler cannot adapt to changes in various straw fuels.

Method used

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  • Fluidized bed boiler for incinerating straws
  • Fluidized bed boiler for incinerating straws
  • Fluidized bed boiler for incinerating straws

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Embodiment Construction

[0034] The specific implementation manner of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings.

[0035] like Figure 1 to Figure 7 As shown, the straw incineration fluidized bed boiler includes a feeding mechanism 1, a furnace 2, an ignition mechanism 3, a flue, a material circulation system, and a secondary air intake mechanism 5, wherein the furnace 2 is vertically arranged, and the furnace 2 is supported It is fixed in combination with hanging, the evaporation heating surface of the furnace adopts membrane water-cooled wall, and the flue at the tail adopts water-cooled cladding wall.

[0036] The material circulation system includes a cyclone separator 6, the inlet of the cyclone separator 6 is connected to the top of the furnace 2, the outlet of the lower part of the cyclone separator 6 is connected to the bottom of the furnace through a pipeline and a return valve 7 is provided on the...

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Abstract

The invention discloses a fluidized bed boiler for incinerating straws. The fluidized bed boiler comprises a feeding mechanism, a hearth, an igniting mechanism and a flue, wherein the igniting mechanism is arranged at the bottom of the hearth; the feeding mechanism is communicated with a feeding hole in the bottom of the hearth; the fluidized bed boiler also comprises a material circulating system; the material circulating system comprises a cyclone separator; the cyclone separator is communicated with the top of the hearth; the lower part of the cyclone separator is connected with the bottom of the hearth by a pipeline and the pipeline is provided with a material returning valve; the upper part of the cyclone separator is communicated with the flue. By adopting a low-magnification circulating fluidized bed combustion mode, the available rate of the boiler is increased, the boiler can stably run for a long time, the combustion efficiency of the boiler is high and the emission of pollutants is low.

Description

technical field [0001] The invention relates to the technical field of incineration boilers, in particular to a straw incineration fluidized bed boiler. Background technique [0002] At present, the straw of many crops is directly set on fire and burned in the farmland. The direct burning of straw in the farmland pollutes the air environment and endangers human health, and the government prohibits direct burning of straw in the farmland. [0003] Straw bioenergy is a kind of renewable energy. With the reduction of energy storage such as oil and natural gas, biorenewable energy has attracted more and more attention. The incineration boiler is an important equipment for straw bio-incineration energy conversion. The existing straw incineration boilers have low combustion efficiency, high pollutant emissions, and easy ash accumulation in the boiler flue affects thermal energy conversion. The boiler cannot be used for various straw fuel changes. Contents of the invention [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C10/10F23C10/12F23C10/18F23C10/26
CPCF23C10/10F23C10/18F23C10/20F23C10/26F23C10/28
Inventor 黄兴华王东风樊节斌钱路沈军尹宗浩
Owner 芜湖市先利再生能源科技有限公司
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