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Direct heating type coal pyrolysis device

A heating type, coal pyrolysis technology, applied in the direction of direct heating dry distillation, direct and indirect heating combined dry distillation, special form dry distillation, etc., can solve the problems of high energy consumption, poor coal adaptability and low thermal efficiency in coke quenching process

Inactive Publication Date: 2016-01-20
CHANGZHENG ENG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Although the above technologies have solved some technical problems in practical application, they still have some or other shortcomings, such as: low thermal efficiency, poor adaptability to coal types, high energy consumption in the coke quenching process, and large dust pollution, etc.

Method used

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  • Direct heating type coal pyrolysis device
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  • Direct heating type coal pyrolysis device

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Embodiment Construction

[0031] Attached below Figure 1~4 The present invention is further described in detail, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention.

[0032] like figure 1 As shown, the direct heating type coal pyrolysis device proposed by the present invention includes: bottom inlet 1, lower air distribution plate 2, baffle and reversing device 3, lower fluidization section 4, center pipe 5, upper air distribution plate 6, Upper temperature regulation section 7 , upper outlet 8 , upper inlet 9 , feed inlet 10 , wear-resistant layer 11 , heat insulating layer 12 , and pressure-bearing shell 13 . Wherein the upper temperature regulating section 7 is located above the lower fluidized section 4, and the diameter of the upper temperature regulating section 7 is smaller than the diameter of the lower fluidized section (4). The central pipe 5 is located in the cavity formed by the uppe...

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Abstract

The invention discloses a coal pyrolysis device and particularly provides a direct heating type coal pyrolysis device. The direct heating type coal pyrolysis device comprises a bottom inlet, a lower-portion fluidization section, an upper-portion outlet, an upper-portion inlet, a feeding port and a pressure-bearing housing and further comprises a central pipe and an upper-portion temperature regulating section, wherein the upper-portion temperature regulating section is located above the lower-portion fluidization section, the upper-portion inlet is communicated with the upper section of the upper-portion temperature regulating section, the central pipe is located in the cavity defined by the upper-portion temperature regulating section and the lower-portion fluidization section, the upper port of the central pipe is communicated with the upper-portion outlet, and the lower port of the central pipe is located in the lower-portion fluidization section. By arranging the upper-portion temperature regulating section and the central pipe and adopting an indirect heat exchange principle, different products are produced by controlling different temperatures, secondary reaction of pyrolysis products is prevented, and improvement of the methane concentration of product gas is facilitated.

Description

technical field [0001] The invention provides a coal pyrolysis device, in particular to a direct heating type coal pyrolysis device. Background technique [0002] my country is a big coal producing country in the world, and it is also a big coal consuming country. In terms of resource endowment, my country's primary energy has the characteristics of "poor oil, little gas, and rich coal". In 2010, my country's proven reserves of coal resources accounted for 93.3% of my country's fossil energy. Coal is currently the most reliable energy to ensure my country's energy security supply, and it is also the cheapest available energy at this stage. China's energy reserves, production and consumption structure determine that coal will remain the main energy source in my country for a period of time to come. [0003] There are many kinds of coal resource utilization technologies, such as direct combustion, coking, gasification, pyrolysis, etc. With the development and progress of coa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/04C10B51/00C10B49/22
Inventor 甘晓雁霍耿磊刘春雷
Owner CHANGZHENG ENG
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