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Tubular indirect heating coal pyrolysis device

A coal pyrolysis and indirect technology, which is used in indirect heating dry distillation, special form dry distillation, petroleum industry and other directions, can solve the problems such as the need to improve the heat exchange efficiency, the pyrolysis temperature and the pyrolysis products are difficult to control, etc., and achieve clean and efficient utilization. , Pyrolysis temperature and pyrolysis products are easy to control, and the heat exchange effect is good.

Inactive Publication Date: 2016-01-06
CHANGZHENG ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, in the indirect heating coal pyrolysis process, the pyrolysis temperature and pyrolysis products are difficult to control, and the heat transfer efficiency needs to be improved.

Method used

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  • Tubular indirect heating coal pyrolysis device
  • Tubular indirect heating coal pyrolysis device
  • Tubular indirect heating coal pyrolysis device

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Embodiment Construction

[0039] Attached below Figure 1~3 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.

[0040] Such as figure 1 As shown, the tubular indirect heating coal pyrolysis device proposed by the present invention includes: semi-coke outlet 1, lower fluidization gas inlet 2, pyrolysis section 3, lower heat exchange tube bundle 4, inner cone distributor 5, connecting pipe 6 , preheating section 7, upper heat exchange tube bundle 8, synthesis gas outlet 9, pulverized coal inlet 10, upper fluidization gas inlet 11, pressure-bearing shell 12, heat insulation layer 13, pyrolysis gas outlet 14, synthesis gas inlet 15, wherein The preheating section 7 is located above the pyrolysis section 3, the diameter of the preheating section 7 is 2600mm, and the diameter of the pyrolysis section 3 is 3100mm, so as to ensure a stable fluidized ...

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Abstract

The invention discloses a coal pyrolysis device, and particularly relates to a tubular indirect heating coal pyrolysis device. The tubular indirect heating coal pyrolysis device comprises a semi-coke outlet, a pyrolysis section, a pulverized coal inlet, a pressure bearing shell, a thermal insulation layer and a pyrolysis gas outlet. The semi-coke outlet is located in the bottom end of the pyrolysis device. The pulverized coal inlet is located in the top end of the pyrolysis device. The tubular indirect heating coal pyrolysis device further comprises a preheating section located above the pyrolysis section. The diameter of the preheating section is smaller than that of the pyrolysis section. The tubular indirect heating coal pyrolysis device is simple in structure, high in heat exchange efficiency and capable of cleanly and efficiently using coal resources.

Description

technical field [0001] The invention provides a coal pyrolysis device, in particular to a tubular indirect heating 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 o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/04C10B47/24C10B57/00
Inventor 王明坤姜从斌甘晓雁霍耿磊章刚焦子阳
Owner CHANGZHENG ENG
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