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Biomass full-film type wall boiler

A membrane-type wall and biomass technology, which is applied to steam boilers, steam boiler accessories, water-tube steam boilers, etc., can solve the problems of flue gas fly ash leakage in the furnace, unstable gravity, wrong opening state, etc., to save manpower cost, reduce air leakage rate, and increase the effect of airtightness

Inactive Publication Date: 2016-05-25
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

When the furnace is running, the gravitational force is in an unstable state, resulting in a wrong opening state, causing the flue gas and fly ash in the furnace to leak

Method used

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  • Biomass full-film type wall boiler
  • Biomass full-film type wall boiler
  • Biomass full-film type wall boiler

Examples

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Embodiment Construction

[0023] Such as figure 1 As shown, the biomass full-film wall boiler is composed of a boiler body, a feeding device 17 and an economizer 18 .

[0024] The main body of the boiler is composed of a chain grate 1, an upper drum 2, a lower drum 3, a convection tube bundle 4, various membrane walls, a downcomer 5 and a lower header 6.

[0025] Four lower headers 6 arranged horizontally are installed around the chain grate 1, and the four lower headers 6 communicate with each other to form an integrated annular header. The front end of the upper drum 2 is connected with four downcomers 5, the rear end of the upper drum 2 is connected with two downcomers 5, and the right end of the lower drum 3 is connected with two downcomers 5. The bottom ends of all downcomers 5 are inserted into the annular header.

[0026] The furnace 10 is surrounded by a chain grate 1 , an upper drum 2 , a front membrane wall 7 , two side membrane walls 8 and a rear arch membrane wall 9 . The front membrane ...

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Abstract

The invention discloses a biomass full-film type wall boiler. Front-film type walls, two-side-film type walls and rear-arch-film type walls are communicated between a corresponding lower collection box and an upper boiler cylinder of a boiler body of the biomass full-film type wall boiler to form a hearth with a fire grate in an enclosing mode, and the lower collection boxes are communicated with the rear-film type walls and the two-side-film type walls to form a flue with the upper boiler cylinder and a lower boiler cylinder in an enclosing mode. The hearth is designed to be of a full-film type wall structure, the weight of the boiler is reduced, air impermeability of the hearth is increased, the heating area is enlarged, it is beneficial to lower the temperature of the hearth, and generation of nitrogen oxide is inhibited; on the basis of the mentioned structure, the film type wall structure is also adopted for the flue, the heating area is enlarged, it is beneficial to lower the temperature of smoke discharged by the flue, the air leakage rate is reduced, and heating efficiency of the boiler is improved.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a biomass-fired chain grate boiler. Background technique [0002] At present, with the massive consumption of non-renewable energy such as coal, oil, and natural gas, the stock is increasingly depleted. As a kind of renewable energy, biomass has been paid more and more attention by the society. Biomass boilers have the function of providing steam and hot water heat sources for industrial production, and are used in large quantities. Compared with boilers burning coal, gas, and oil fuels, they have natural advantages in terms of pollutant emissions: zero carbon dioxide emissions, ultra-low (trending zero) sulfur dioxide emissions. [0003] Taking the Chinese patent document CN101074801A as an example, the main body of the chain grate boiler in the prior art mainly includes a feeding device, a chain grate, a front arch, a rear arch, an upper drum, a lower drum, a convection tube ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B21/04F22B37/22
CPCF22B21/04F22B37/225
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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