Self-combustion biomass char production furnace

A biomass coke and self-ignition technology, applied in combustible gas heating coke ovens, coke ovens, biofuels, etc., can solve the problems of high energy costs, pollution of the atmospheric environment, and large external energy consumption, and achieve high comprehensive utilization. High heat utilization rate and effect of reducing pollution

Inactive Publication Date: 2011-02-09
CHINA AGRI UNIV
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Problems solved by technology

Kiln production of charcoal has a long history, the main disadvantages are time-consuming, a large amount of flue gas is discharged to pollute the environment, and the operation method is highly experienced
Equipment method production is a new production method, suitable for standardized production, but the disadvantages are large external energy consumption, environmental pollution and high cost
Therefore, the main problems in the current production method are: 1) relying on external energy to gener

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Embodiment Construction

[0016] The present invention provides a self-igniting biomass coke production furnace. The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0017] like figure 1 As shown, the production furnace is cylindrical with a height of 1800mm. In the production furnace, an inner wall 3 made of a steel plate with a thickness of 3mm is arranged concentrically with the production furnace, and the part inside the inner wall 3 is the combustion chamber 1; The plate 6 divides the annular area into the upper carbonization chamber 2 and the lower cooling chamber 5 . For increasing the strength of pumping plate 6, the steel bar of 2-4 diameter 10mm is lined below pumping plate. The heights of the combustion chamber and the carbonization chamber are both 1000 mm, the diameter of the combustion chamber is 150 mm, the diameter of the carbonization chamber is 250 mm, and the height of the cooling chamber is 500 m...

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Abstract

The invention relates to equipment for producing biomass char, in particular to a self-combustion biomass char production furnace. The production furnace is cylindrical; an inner wall which is concentric with the production furnace is arranged in the production furnace; a part inside the inner wall is a combustion hearth; a drawing plate is arranged in the middle of an annular region between a combustion hearth wall and the outer wall of the production furnace to divide the annular region into an upper carbonization hearth and a lower cooling hearth; a plurality of combustible gas reflux pipelines are arranged; and one end of each combustible gas reflux pipeline is connected to the side wall of the upper part of the carbonization hearth, while the other end is communicated to the combustion hearth from the lower side of the drawing plate. In the production furnace, biomass energy is utilized, so that the utilization of fossil energy is avoided and low carbon emission is achieved; combustible gas is recycled and heat utilization ratio is high, so that pollution on the atmospheric environment is reduced; due to a carbonization and cooling integrated design, safety and high efficiency are achieved; and the production furnace has a simple design, low cost and high comprehensive energy utilization ratio and is movable.

Description

technical field [0001] The invention relates to equipment for producing biomass coke, in particular to a self-igniting biomass coke production furnace suitable for small-scale production of biomass coke. Background technique [0002] Biomass coke (biochar) is similar to charcoal. It is a solid product of the pyrolysis process of biomass materials under high temperature (200-700 ° C) and low oxygen conditions. It is black, light and porous. The kiln-type production of charcoal has a long history. The main disadvantages are that it takes a long time, pollutes the environment due to the discharge of a large amount of flue gas, and the operation method is highly experienced. Equipment method production is a new production method, suitable for standardized production, but the disadvantages are large external energy consumption, environmental pollution and high cost. Therefore, the main problems in the current production method are: 1) relying on external energy to generate a hig...

Claims

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Application Information

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IPC IPC(8): C10B39/00C10B21/10C10B15/00C10B47/02C10B53/02
CPCY02E50/14Y02E50/10
Inventor 李贵桐林启美赵小蓉
Owner CHINA AGRI UNIV
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