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Gas full-circulation dry distillation system and process for long flame coal dry distillation

A gas full-cycle, long-flame coal technology, used in special forms of dry distillation, direct heating dry distillation, petroleum industry, etc. The effect of processing capacity, reduction of production costs, and high economic benefits

Pending Publication Date: 2018-02-27
LIAONING CHENGDA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most technologies have problems such as complex process systems, large investment in foreign technology introduction, low reliability of system operation, high cost of coal quality improvement, and heavy environmental pollution.

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  • Gas full-circulation dry distillation system and process for long flame coal dry distillation

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Embodiment Construction

[0042] The specific embodiment of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0043] It should be noted that, in the following specific embodiments, when describing the embodiments of the present invention in detail, in order to clearly show the structure of the present invention for the convenience of description, the structures in the drawings are not drawn according to the general scale, and are drawn Partial magnification, deformation and simplification are included, therefore, it should be avoided to be interpreted as a limitation of the present invention.

[0044] In the following specific embodiments of the present invention, please refer to figure 1 , figure 1 It is a structural schematic diagram of a gas full-circulation carbonization system for long-flame coal carbonization of the present invention. As shown in the figure, a gas full-cycle carbonization system for long-flame coal carbonization inc...

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Abstract

The invention discloses a gas full-circulation dry distillation system and process for long flame coal dry distillation. The dry distillation system comprises a dry distillation furnace, an oil recovery unit, a desulfuration unit, a circulation gas heating unit, a gas cabinet and a gas circulation pipeline. The oil recovery unit comprises a water spray device, a gas-liquid separator, a horizontalwater-tube cooler, a cyclone dust collector and a static oil trapper connected sequentially; the static oil trapper is connected with the desulfuration unit; the desulfuration unit is respectively connected with the circulation gas heating unit and the gas cabinet; the gas cabinet is connected with the circulation gas heating unit; the circulation gas heating unit feeds heated circulation gas through the gas circulation pipeline to the dry distillation furnace through a circulation gas inlet of the dry distillation furnace. The gas full-circulation dry distillation system provided by the invention is large in treatment capacity, simple in flow, low in supporting facility investment and high in efficiency.

Description

technical field [0001] The present invention relates to the technical field of medium and low-temperature dry distillation of low-rank coal, and more specifically, to a gas full-circulation dry distillation system and process for dry distillation of long-flame coal. Background technique [0002] my country has abundant reserves of coal resources, and the efficient processing and utilization of coal has become an issue of great concern in the field of coal energy in my country. [0003] The typical representatives of foreign long-flame coal pyrolysis and upgrading complete sets of technology mainly include the Toscoal rotary furnace pyrolysis process developed by the American oil shale company; the LFC process jointly developed by the US Shell Mining Company and the US SGI company; Pyrolysis process; fluidized bed rapid pyrolysis process developed by the Australian Commonwealth Institute of Science and Industry (CSIRO); Lurgi-Spuelgas (L-S) process developed by Lurgi GmbH in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/04C10B49/02C10B57/00C10L3/10
CPCC10B49/02C10B53/04C10B57/00C10L3/101C10L3/103
Inventor 黄建宁赵海钢裴绍晖张荣樸初筠邱闯
Owner LIAONING CHENGDA
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