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Gas guide system and method

A technology of air guide and air guide device, applied in the field of air guide system, can solve the problems of too dense coal seam, large gas resistance, uneven distribution of air, etc., and achieve the effects of reducing resistance, uniform air distribution, and reducing dust

Inactive Publication Date: 2016-10-12
SHAANXI SHENMU SAN JIANG COAL CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a gas guiding system and method, which solves the problems of uneven gas distribution and large gas resistance in the coal seam that exist in the prior art

Method used

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  • Gas guide system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 2 As shown, the gas guiding device 1 is only arranged on one horizontal plane; the gas guiding device 1 is arranged under the gas collecting umbrella in the semi-coke low-temperature carbonization furnace. The air collecting umbrella and the air guiding device 1 are arranged parallel to each other. The top 2 of the device is in the shape of an inverted "V".

[0029] The present invention comprises the following steps when in use:

[0030] (1) When the semi-coke low-temperature carbonization furnace is in use, the raw coal enters the carbonization section after entering, and finally falls on the gas guiding device 1; due to the shape of the top 1 of the gas guiding device 1, the raw coal is more evenly dispersed and falls on the carbonization inside the furnace.

[0031] (2) When starting dry distillation, the air is passed in from the outside of the semi-coke low-temperature dry distillation furnace, enters by the gas injection port 31 of the air guid...

Embodiment 2

[0035] The gas guiding device 1 is only arranged on one horizontal plane; the gas guiding device 1 is arranged under the gas collecting umbrella in the semi-coke low-temperature carbonization furnace. The air collecting umbrella and the air guiding device 1 are arranged parallel to each other. The top 2 of the device is circular.

[0036] The present invention comprises the following steps when in use:

[0037] (1) When the semi-coke low-temperature carbonization furnace is in use, the raw coal enters the carbonization section after entering, and finally falls on the gas guiding device 1; due to the shape of the top 1 of the gas guiding device 1, the raw coal is more evenly dispersed and falls on the carbonization furnace;

[0038] (2) When starting dry distillation, the air is passed in from the outside of the semi-coke low-temperature dry distillation furnace, enters by the gas injection port 31 of the air guide device 1, and is ejected from between the two connecting baff...

Embodiment 3

[0042] The gas guiding device 1 is only arranged on one horizontal plane; the gas guiding device 1 is arranged under the gas collecting umbrella in the semi-coke low-temperature carbonization furnace. The air-collecting umbrella and the air-guiding device 1 are arranged perpendicularly to each other. The top 2 of the device is circular.

[0043] The present invention comprises the following steps when in use:

[0044] (1) When the semi-coke low-temperature carbonization furnace is in use, the raw coal enters the carbonization section after entering, and finally falls on the gas guiding device 1; due to the shape of the top 1 of the gas guiding device 1, the raw coal is more evenly dispersed and falls on the carbonization furnace;

[0045] (2) When starting dry distillation, the air is passed in from the outside of the semi-coke low-temperature dry distillation furnace, enters by the gas injection port 31 of the air guide device 1, and is ejected from between the two connecti...

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Abstract

The invention discloses a gas guide system. The gas guide system is characterized by comprising at least one gas guide device (1) fixedly connected in a semicoke low-temperature dry distillation furnace; each gas guide device (1) comprises a device top (2) and connecting baffles (3), wherein the two ends of the device top (2) are fixedly connected with the connecting baffles (3), each connecting baffle (3) is provided with one or more gas nozzles (31), and at least one airflow baffle (4) is arranged on the upper portion in the device top (2). The gas guide system has the advantages that dry distillation can be carried out on raw coal with the particle size smaller than 30 mm through the semicoke low-temperature dry distillation furnace, and air distribution in the dry distillation furnace can be more uniform; in the process of carrying out dry distillation on the raw coal with the particle size smaller than 30 mm, the resistance of raw coal combustion gas can be reduced, the gas can be guided out of the dry distillation furnace more smoothly, and thus equipment loss is reduced.

Description

technical field [0001] The invention belongs to the technical field of low-temperature dry distillation of raw coal, and in particular relates to a gas guiding system and method. Background technique [0002] Semi-coke is also called semi-coke. It was originally a high-quality carbon material made of high-quality Jurassic refined lump coal rich in Shenfu coalfields and dry-distilled at 600-850 ° C. Because of its high fixed carbon, high specific resistance, and chemical activity It is widely used in calcium carbide, ferroalloy, ferrosilicon, silicon carbide and synthetic ammonia industries due to its good quality and low price. [0003] However, most of the existing semi-coke low-temperature carbonization furnaces directly feed air into the carbonization furnace, so that only raw coal with a particle size of 30-100mm can be carbonized. When dry-distilling raw coal whose particle size is less than 30 mm, the air distribution is uneven and the efficiency of carbonization is l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/04C10B57/14C10B27/00
CPCC10B53/04C10B27/00C10B57/14
Inventor 尚文智尚敏张水军刘军利方胜利刘蕾李振义李波张雄尚振平
Owner SHAANXI SHENMU SAN JIANG COAL CHEM
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