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Directly-fired chain boiler system with single drum longitudinally arranged for biomass

A chain boiler and vertical type technology, which is applied in the field of single-drum vertical type biomass direct combustion chain boiler system, can solve the problems of difficult ignition and full combustion and high moisture content of biomass fuel.

Inactive Publication Date: 2016-12-21
JIANGSU TAIHU BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the above problems, the present invention provides a single-drum vertical biomass direct-fired chain boiler system, which can solve the problem that the biomass fuel is difficult to ignite and fully burn due to the high moisture content

Method used

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  • Directly-fired chain boiler system with single drum longitudinally arranged for biomass
  • Directly-fired chain boiler system with single drum longitudinally arranged for biomass
  • Directly-fired chain boiler system with single drum longitudinally arranged for biomass

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Embodiment Construction

[0014] See figure 1 , figure 2 and image 3 , a single-drum vertical biomass direct-fired chain boiler system, which includes a biological hopper 1 and a boiler body 2, a combustion chamber is arranged inside the boiler body 2, a chain grate 3 is arranged at the bottom of the combustion chamber, and the biological hopper 1 is arranged on the boiler body 2 Outside and located at the feed port end of the chain grate 3, the flue gas outlet 4 on the top of the combustion chamber is connected to the first air preheater 5, the second air preheater 6, the economizer 7, the dust collector 8 and the chimney in sequence through the flue 9; it also includes an external dryer 10, the external dryer 10 is connected to the biological hopper 1 through the material delivery pipeline 11, and the first air preheater 5 is connected to the external dryer 10 through the flue 12; the boiler The main body 2 adopts a shell-type threaded smoke pipe structure, so as to control the flue gas flow rate...

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Abstract

The invention provides a directly-fired chain boiler system with a single drum longitudinally arranged for biomass. The directly-fired chain boiler system can solve the problem that biomass fuel cannot be fired easily or combusted fully due to the high water content. The directly-fired chain boiler system comprises a biomass hopper and a boiler body, a combustion chamber is formed in the boiler body, a chain grate is arranged at the bottom in the combustion chamber, the biomass hopper is arranged on the outer side of the boiler body and is located at the feed port end of the chain grate, and a smoke outlet in the top of the combustion chamber is sequentially connected to an air pre-heater, an economizer, a dust remover and a chimney through a flue. The directly-fired chain boiler system is characterized by further comprising an externally-arranged dryer, the externally-arranged dryer is connected to the biomass hopper through a material conveying pipeline, and the air pre-heater is connected to the externally-arranged dryer through a smoke pipe.

Description

technical field [0001] The invention relates to the field of boiler structures, in particular to a single-drum vertical biomass direct-fired chain boiler system. Background technique [0002] With the development of society, energy sources such as coal and oil are increasingly exhausted, and at the same time, society pays more and more attention to the ecological environment, and the society pays more and more attention to renewable and clean energy. As a renewable fuel, biomass has the characteristics of low sulfur or no sulfur, high volatile content, easy combustion, low ash content, large moisture change, and complete absorption of carbon dioxide within the life cycle. In view of this, the flue gas after biomass combustion Generally, there is no need to install desulfurization equipment. Under the same combustion mode, the original dust emission concentration of boilers is lower than that of coal, and the temperature of the combustion zone is much lower than that of coal,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K1/04F23L15/00F23L5/02F23J11/00F23J13/08
CPCF23J11/00F23J13/08F23K1/04F23K2201/20F23L5/02F23L15/00Y02E20/34
Inventor 赵伟强顾利平
Owner JIANGSU TAIHU BOILER