Vertical short type internally heated carbonization furnace for dry distillation and oil extraction of slack coal

An internal heat type, coal dry distillation technology, applied in fixed carbonization furnaces, special forms of dry distillation, coking ovens, etc., to achieve the effect of increasing the use value

Active Publication Date: 2013-01-30
安徽格太信控科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The existing carbonization furnace can carry out smooth carbonization and dry distillation of small coal with a particle size of ￠6~￠28mm, but it is still powerless for the fine coal less than ￠6mm

Method used

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  • Vertical short type internally heated carbonization furnace for dry distillation and oil extraction of slack coal

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Embodiment Construction

[0021] The overall structure of the upright low type internal heat dry distillation and oil extraction carbonization furnace of this embodiment is shown in the accompanying drawings: it mainly consists of a furnace body, a blanking port 1, a negative pressure chamber 2, a carbonization chamber 5, a combustion chamber, and a combustion chamber. Chamber fire hole 7, coke pushing machine 9, coke discharge port 10, CDQ large groove 11, coal box 12, gas branch pipe 13, gas main pipe 14, and gas outlet 15; it is characterized in that the vertical height of the furnace body is 5.2 m to 5.3m; the upper layer combustion chamber 6A and the lower layer combustion chamber 6B are respectively arranged under the blanking port 1, and the two layers of combustion chambers are arranged in a staggered manner.

[0022] The blanking port 1 is a box funnel with a large top and a small bottom, with a length of 3m±0.1 and a width of the lower opening of 22cm±0.1. The vertical height from the blankin...

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Abstract

The invention relates to a novel carbonization furnace, namely a vertical short type internally heated carbonization furnace for dry distillation and oil extraction of slack coal. In the furnace, an upper-layer combustion chamber and a lower-layer combustion chamber are arranged under a blanking opening, respectively; the blanking opening is 3+ / -0.1 m long and 22+ / -0.1 cm wide; a negative pressure chamber is 3+ / -0.1 m long, 93+ / -0.5 wide and 1-1.1 m high; the combustion chambers are triangular, 3+ / -0.1 m long and 57+ / -0.5 cm high, and the bottom edges of the combustion chambers are 58+ / -0.5 cm wide. The carbonization furnace provided by the invention is capable of carbonizing and dryly distilling the slack coal having the particle size of less than 6 mm and extracting byproducts such as coal tar thoroughly from the slack coal; the generated coke breeze is an excellent clean fuel which can be used for an iron making blast furnace and a rotary kiln through blowing, and the coke breeze is also a good raw material for making coal briquettes, and therefore, the use value of the slack coal is greatly improved and the economic benefit of the enterprise is improved to a large extent.

Description

technical field [0001] The invention relates to a carbonization furnace technology, in particular to a novel carbonization furnace for dry distillation of fine coal and oil extraction. Background technique [0002] In coal mining production, a large amount of lump coal and fine coal will be produced: in manual mining, lump coal accounts for about 60% and mixed coal accounts for 40%; while in mechanical mining, lump coal accounts for only 40% and mixed coal accounts for 60% . In the blended coal, the fine coal with particle size less than 6mm accounts for about 60% of the blended coal. In recent years, due to the integration of small coal mines and the strengthening of mechanized mining, the production scale of coal mines has increased, resulting in a large amount of fine coal. The production of traditional semi-coke can only use lump coal instead of fine coal, which can only be used as electric coal. Compared with lump coal, the application range is narrower, so the price ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B1/04C10B53/04C10B57/00C10B57/10C10J3/62C10J3/84
Inventor 宫百战李水锋
Owner 安徽格太信控科技有限公司
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