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Rotary kiln type pyrolysis reactor and coal pyrolysis method

A pyrolysis reactor and rotary kiln technology, which can be used in special forms of dry distillation, direct heating dry distillation, petroleum industry, etc., and can solve problems such as adverse effects of tar

Pending Publication Date: 2021-06-08
CHNA ENERGY INVESTMENT CORP LTD +1
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  • Claims
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Problems solved by technology

[0006] The purpose of the present invention is to provide a rotary kiln type pyrolysis reactor in order to overcome the problem that the tar obtained in the coal pyrolysis process in the prior art will adversely affect the pyrolysis equipment and the subsequent purification process. When the pyrolysis reactor is used for clean pretreatment of coal, the tar is burned directly in the pyrolysis reactor, which is beneficial to reduce the impact of tar on the subsequent gas purification process and simplify the clean pretreatment process of coal; in addition, the corresponding The invention also provides a coal pyrolysis method

Method used

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  • Rotary kiln type pyrolysis reactor and coal pyrolysis method
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  • Rotary kiln type pyrolysis reactor and coal pyrolysis method

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Embodiment Construction

[0050] It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0051] In the present invention, it should be understood that the orientations or positional relationships indicated by the terms "deviating from", "facing", "front", "rear" and the like are based on the orientations or positional relationships shown in the accompanying drawings, and are also different from those actually used. Corresponding orientation or positional relationship; the orientation words used such as "inner and outer" refer to the inner and outer relative to the outline of each component itself; it is only for the convenience of describing the present invention or simplifying the description, rather than indicating the device or Components must have a particular orientation, be constructed, and operate in a particular orientation, and therefore should not be construed as limiting the invention.

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Abstract

The invention relates to the field of coal pyrolysis, and discloses a rotary kiln type pyrolysis reactor and a coal pyrolysis method. The rotary kiln type pyrolysis reactor comprises a rotary cylinder, and the rotary cylinder comprises a head and a tail which are located at the two ends in the radial direction. A solid material inlet and a pyrolysis gas outlet are formed in one side of the tail of the rotary kiln type pyrolysis reactor, a high-temperature gas inlet is formed in one side of the head of the rotary kiln type pyrolysis reactor, and the rotary kiln type pyrolysis reactor is further provided with a solid material outlet. The rotary kiln type pyrolysis reactor further comprises a combustion-supporting ventilation unit which is arranged on the rotary cylinder and used for introducing combustion-supporting gas into the rotary cylinder. According to the coal pyrolysis method, raw material coal enters the rotary kiln type pyrolysis reactor to be pyrolyzed, and combustion-supporting gas is introduced into the rotary cylinder through the combustion-supporting ventilation unit in the pyrolysis process, so that tar generated in the pyrolysis reaction process of the raw material coal is directly combusted in the rotary cylinder.

Description

technical field [0001] The invention relates to the field of coal pyrolysis, in particular to a rotary kiln type pyrolysis reactor and a coal pyrolysis method. Background technique [0002] As smog becomes more and more serious, people's understanding of the causes of smog is getting deeper and deeper. Studies have shown that the contribution of civil scattered coal to smog cannot be underestimated. Therefore, it is becoming more and more important to provide clean residential coal. At present, the vast majority of civil scattered-fired coals on the market in my country are coals with high volatile content, such as lignite. Therefore, in order to reduce the impact of civil scattered-fired coal on air pollution, we must pre-treat civilian scattered-fired coal, and then put it on the market for sale after it reaches the standard. At the same time, according to statistics, in 2015, the power generation of my country's power plants was less than 50% of the load capacity of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/04C10B53/00C10B49/02
CPCC10B53/04C10B53/00C10B49/02
Inventor 杜万斗李君苌亮次东辉高浩华麻林
Owner CHNA ENERGY INVESTMENT CORP LTD
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