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Novel hearth structure of biomass chain boiler

A chain boiler and furnace structure technology, which is applied in the directions of combustion air/fuel supply, non-flammable liquid/gas transportation, combustion method, etc., can solve the problems of lack of shape and size, ash and slagging, and low combustion efficiency. Achieve the effect of high fullness, uniform heat load and improved combustion efficiency

Inactive Publication Date: 2015-04-29
HENAN AGRICULTURAL UNIVERSITY
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Problems solved by technology

Most of the biomass boilers currently used in production and application blindly imitate the design of coal-fired boilers in their furnace structure, without reasonable shape and size, resulting in serious ash accumulation and slagging problems and low combustion efficiency

Method used

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  • Novel hearth structure of biomass chain boiler

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Embodiment Construction

[0017] Depend on figure 1 The new furnace structure of the biomass chain boiler shown includes a chain grate 1, and the top of the chain grate 1 is provided with a front arch 3, a middle arch and a rear arch in sequence from front to back.

[0018] The front arch 3 extends obliquely upward from the front to the back, the front arch 3 forms an angle of 50° with the horizontal line, and the arch height is 950mm.

[0019] The middle arch is made of a vertical flame-folding wall 7, and the flame-folding wall 7 extends vertically. The bottom of the flame-folding wall 7 is 350mm from the chain grate, and 1500mm from the center line of the front arch.

[0020] The rear arch comprises a vertical flower wall 9 and horizontal horizontal walls 17 arranged on the rear side of the bottom of the flower wall 9, the horizontal wall is 450mm away from the chain grate, the flower wall is 550mm away from the central line of the arch, and the flower wall ventilation hole diameter is 80mm. The fl...

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Abstract

The invention discloses a novel hearth structure of a biomass chain boiler. The novel hearth structure of the biomass chain boiler comprises a chain grate, wherein a front arch, a middle arch and a rear arch are sequentially arranged above the chain grate from front to back; the middle arch consists of a vertical flame turning wall; the rear arch comprises a vertical decorated wall and a transverse wall; the transverse wall is arranged on the rear side of the bottom of the decorated wall and transversely extends front and back; an arch top is arranged between the front arch and the middle arch, and an arch top is arranged between the middle arch and the rear arch; a first combustion chamber is formed between the front arch and the middle arch; a second combustion chamber is formed between the middle arch and the rear arch; a vertical rear boiler wall is arranged on the rear side of the rear arch; the decorated wall, the transverse wall and the rear boiler wall enclose a third combustion chamber. According to the novel hearth structure of the biomass chain boiler, a hearth can be effectively matched with the chain grate, an air power field in the boiler is organized, the combustion efficiency is improved, and the problems of ash deposition and slag formation in the biomass combustion process are mitigated.

Description

technical field [0001] The invention belongs to the field of biomass combustion furnaces, and in particular relates to a novel furnace chamber structure of a biomass chain boiler. Background technique [0002] Biomass energy is a renewable energy. In today's increasingly scarce energy, the development and utilization of biomass energy has great energy strategic significance. Therefore, according to the combustion characteristics of biomass fuel, research and development of biomass boilers is an important way to effectively utilize biomass resources. The furnace is the main component of the boiler, which is a three-dimensional space surrounded by the furnace wall for fuel combustion. The function of the furnace is to ensure that the fuel burns as much as possible, and to cool the temperature of the flue gas at the outlet of the furnace to the temperature allowed by the safe work. Most of the biomass boilers currently used in production and application blindly imitate the de...

Claims

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Application Information

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IPC IPC(8): F23B10/02F23L9/00F23M9/00F23L1/00
Inventor 刘圣勇黄黎冯坤郭前辉姬少龙管泽运翟万里
Owner HENAN AGRICULTURAL UNIVERSITY
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