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Biomass anti-backfire feeding device

A feeding device and biomass technology, applied in the direction of fuel supply, combustion method, block/powder supply/distribution, etc., can solve problems affecting boiler thermal efficiency, safety issues, prone to tempering, etc., to avoid tempering Phenomenon, short burn-out time, full combustion effect

Inactive Publication Date: 2015-10-21
重庆深盟新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, the biomass fuel is sent directly into the furnace by the screw feeder through the hopper for combustion, and no fire prevention device is installed at the discharge port of the screw feeder. In practical applications, backfire is prone to occur, resulting in The material fuel starts to burn at the outlet of the screw feeder, even in the screw feeder, which affects the thermal efficiency of the boiler and may cause safety problems

Method used

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Embodiment Construction

[0023] The invention provides a biomass anti-tempering feeding device, so as to avoid the occurrence of the tempering phenomenon, ensure the thermal efficiency of the boiler, and improve the safety.

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see figure 1 and figure 2 , figure 1 It is a structural schematic diagram of the biomass anti-tempering feeding device and the biomass boiler in the embodiment of the present invention; figure 2 It is a schematic diagram of a partially enlarged struct...

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Abstract

The invention discloses a biomass anti-backfire feeding device which comprises a biomass feeder and an anti-backfire device. The biomass feeder is used for conveying biomass fuel falling down from a hopper into a biomass boiler. The anti-backfire device is arranged at a discharging outlet of the biomass feeder and comprises a material raising portion and a cover plate. The material raising portion is a hollow cylinder with the two ends provided with openings. One end of the material raising portion is communicated with the discharging outlet of the biomass feeder, and the cover plate is hinged to the other end of the material raising portion. The material raising portion inclines upwards, and the included angle alpha between the material raising portion and the horizontal plane ranges from 30 degrees to 50 degrees. In the using process, biomass fuel passes through the upward material raising portion and bursts through the cover plate to be scattered into a boiler combustion chamber in a parabolic shape. In the dynamic falling process, the biomass fuel makes full contact with air and is fully combusted, combustion efficiency is high, the combustion temperature is high, and burnout time is short. Moreover, through the upward material raising portion and the cover plate, the backfire phenomenon can be well avoided, and the purposes of guaranteeing the thermal efficiency of the boiler and improving safety are achieved.

Description

technical field [0001] The invention relates to the technical field of feeding equipment, in particular to a biomass anti-tempering feeding device. Background technique [0002] Coal-fired boilers consume a lot of coal and cause serious pollution, which is not in line with my country's sustainable development strategy. Therefore, replacing existing coal-fired boilers with clean energy boilers has become a research hotspot, and using agricultural and forestry residues as boiler fuel Due to its environmental friendliness and renewable characteristics, the biomass boiler has positive significance for saving conventional energy, optimizing my country's energy structure, and reducing environmental pollution, and because of its low price and low operating cost, it has been recognized by users and promoted. . [0003] In the prior art, the biomass fuel is directly fed into the furnace by the screw feeder through the hopper for combustion, and no fire prevention device is installed a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K3/18
Inventor 罗川峰黄兵李旺
Owner 重庆深盟新材料科技有限公司
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