Biomass fuel combustion device

A biomass fuel and combustion device technology, applied in the direction of solid fuel combustion, combustion methods, combustion equipment, etc., can solve the problems of large floor area, billowing black smoke, low boiler thermal efficiency, etc., and achieve less pollutant emissions, Promotes complete combustion and high combustion efficiency

Active Publication Date: 2010-09-22
湖南兆丰新能源技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to burn biomass briquette fuel, the existing biomass briquette fuel combustion equipment is improved on the basis of coal-fired boilers, and there are unreasonable air flow field distribution, furnace temperature field distribution, concentration field distribution, and heating surfa

Method used

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Embodiment Construction

[0016] like figure 1 As shown, the present invention includes a vertical combustion furnace 1, the top of the vertical combustion furnace 1 is provided with a smoke exhaust passage 2, and the inside of the vertical combustion furnace 1 includes a combustion chamber 20, a heat exchange chamber 21, a flue gas Expansion chamber 22, the combustion chamber 20 is provided with an upper grate 3, a lower grate 4 and a tertiary air intake device, the upper grate 3 and the lower grate 4 adopt a membrane structure, which not only increases The heat transfer area also improves the conduction coefficient, and the heat transfer speed is fast. Therefore, the boiler furnace temperature field is evenly distributed and the thermal efficiency is high. On the side wall of the vertical combustion furnace 1 and between the upper grate 3 and the lower grate 4, a feeding device is provided. The feeding device includes a screw The feeder 31 and the hopper 32 arranged on the screw feeder 31, the screw...

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Abstract

The invention discloses a biomass fuel combustion device, and provides a biomass fuel combustion device which has the advantages of high combustion efficiency and less pollutant discharge. The biomass fuel combustion device of the invention comprises a vertical combustion furnace (1), wherein a smoke discharging channel (2) is arranged on the vertical combustion furnace (1); a combustion chamber (20) and a heat exchange chamber (21) are arranged in the vertical combustion furnace (1); an upper grate (3) and a lower grate (4) are arranged in the combustion chamber (20); the combustion chamber (20) is provided with a feeding device which is positioned on the side wall of the vertical combustion furnace (1) and is communicated with the combustion chamber (20); a primary air inlet (33), a secondary air inlet (34) and a tertiary air inlet device are respectively arranged in the corresponding positions of the vertical combustion furnace (1); a smoke pipe (5) and a hot water pipe (6) are arranged in the heat exchange chamber (21); and the smoke pipe (5) is respectively communicated with the combustion chamber (20) and the smoke discharging channel (2) through gas flow. The invention can be widely applied to the field of boilers.

Description

technical field [0001] The invention relates to a biomass fuel combustion device. Background technique [0002] At present, the commonly used fuels in production are generally fossil fuels such as coal, oil, and natural gas. These fossil fuels are non-renewable. According to statistics, these fossil fuels will be exhausted in a hundred years. At the same time, due to the large-scale combustion of fossil fuels, a large amount of carbon dioxide And other greenhouse gases, energy crisis and climate threats, forcing people to vigorously search for new energy sources. [0003] Biomass pellet fuel is a new type of energy, mainly used for gasification and combustion. In 2005, the world's biomass solid briquette fuel production has exceeded 4.2 million tons. As a large agricultural country, China is rich in biomass resources. According to statistics, the total annual output of crop straw in my country is 604 million tons, and the amount of wood residues in the forestry industry i...

Claims

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Application Information

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IPC IPC(8): F23B80/04F23H5/00F23L15/00
CPCY02E20/34
Inventor 杨奇飞许金花
Owner 湖南兆丰新能源技术有限公司
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