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A low-quality coal pyrolysis device

A low-quality coal pyrolysis technology, applied in special forms of dry distillation, petroleum industry, coke oven, etc., can solve complex internal heating mechanism and distribution mechanism, difficult to solve temperature control and adjustment, heating temperature uncertainty and other problems, to achieve The effect of solving major losses, continuous and reliable production operation, and improving system reliability and stability

Active Publication Date: 2018-01-26
郭秀梅
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This kind of coal material decomposition equipment can solve the problem of decomposition of inferior coal, especially pulverized coal, but the relatively complicated internal heating mechanism and distribution mechanism are likely to cause uncertainty of heating temperature in the production process and instability of normal production; especially During the decomposition process of inferior coal, the temperature control and adjustment of different areas inside the closed kiln body in a high-temperature environment is a relatively difficult problem to solve

Method used

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  • A low-quality coal pyrolysis device
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Embodiment 1

[0024] Such as figure 1 As shown, the present invention includes a closed kiln body 3 with a feed port 1 and a discharge port 2, the closed kiln body 3 is a fixed kiln body, and a plurality of high-temperature gas pipelines 4 are arranged in the fixed kiln body, and a plurality of high-temperature gas pipelines 4 Evenly arranged along the circumference of the fixed kiln body, one end of each high-temperature gas pipeline 4 extending out of the fixed kiln body has an exhaust fan 12, and the inferior coal formed between the multiple high-temperature gas pipelines 4 and the inner wall of the fixed kiln promotes the decomposition channel 5. A low-quality coal propulsion mechanism 6 is set in the low-quality coal propulsion and decomposition channel 5, and the low-quality coal propulsion mechanism 6 is a horizontal crawler. The closed kiln body 3 is provided with a decomposition gas collection pipe 15 connected with the low-quality coal propulsion and decomposition channel 5 for col...

Embodiment 2

[0027] Such as figure 2 As shown, the present invention includes a closed kiln body 3 with a feed port 1 and a discharge port 2, the closed kiln body 3 is a rotary kiln body, and a high-temperature gas pipeline 4 is arranged in the rotary kiln body, and the high-temperature gas pipeline 4 is a plurality of , uniformly arranged along the circumference of the rotary kiln body, the high-temperature gas pipeline 4 extending out of the rotary kiln body is fixedly connected with a waste gas pipeline 16 controlled by a one-way valve, and each high-temperature gas pipeline 4 protrudes from one end of the rotary kiln body. The exhaust fan 12, the low-quality coal formed between the high-temperature gas pipeline 4 and the inner wall of the rotary kiln advances the decomposition channel 5, and the surface of the high-temperature gas pipeline 4 is provided with a cooling plate 13, which is used to increase the rate of heat dissipation, and the low-quality coal is pushed into the decomposi...

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Abstract

The invention discloses a low-quality coal pyrolysis device, which comprises a closed kiln body with a material inlet and a material discharge port. A high-temperature gas pipeline is arranged in the closed kiln body, and the low-quality coal formed between the high-temperature gas pipeline and the inner wall of the closed kiln body is pushed forward. Decomposition channel, the closed kiln body is provided with a decomposition gas collection pipe connected with the inferior coal propelling decomposition channel, the inferior coal pyrolysis device also includes a high-temperature gas generator, the high-temperature gas generator and the high-temperature gas pipeline are connected through a high-temperature gas distribution cover, The high-temperature gas distribution cover is connected with the closed kiln body in a circumferential seal. In the present invention, a high-temperature gas generating device is arranged, and the high-temperature gas generating device is connected with a high-temperature gas pipeline through a high-temperature gas distribution cover, so that the reliability and stability of the low-quality coal pyrolysis device are fundamentally improved.

Description

technical field [0001] The invention relates to the technical field of comprehensive utilization of coal materials, energy saving and emission reduction, and in particular to a low-quality coal pyrolysis device. Background technique [0002] In my country, low-quality coal reserves represented by lignite and low-metamorphism bituminous coal account for more than 55% of the total coal resources, mainly distributed in eastern Inner Mongolia, Yunnan, Xinjiang and the Ordos Basin. As high-metamorphic coals are used less and less, the optimal utilization of low-quality coal is becoming increasingly important. Compared with the technical or economic problems in the direct utilization of low-quality coal, the graded and quality-based utilization of low-quality coal after upgrading should become an important direction. As a technology that is later than coal gasification technology to achieve industrialization, the upgrading of inferior coal is virtually endowed with the expectatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/04
Inventor 郭秀梅
Owner 郭秀梅
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