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Heat accumulation type block-shaped oil shale pyrolysis treatment system and method

A regenerative, oil shale technology, used in the petroleum industry, special forms of dry distillation, direct heating dry distillation, etc., can solve the problems of small single furnace scale, complex process, low oil and gas yield, etc.

Pending Publication Date: 2017-02-22
SHENWU TECH GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current mature technology for processing oil shale is mainly for massive raw materials, such as Fushun Furnace, Sanjiang Furnace, etc., but there are problems of small scale of single furnace and low oil and gas yield. The processing technology for powdery oil shale includes Dalian The DG method of science and technology and the ATP method of Australia have not been effectively promoted because of the complicated process and high cost

Method used

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  • Heat accumulation type block-shaped oil shale pyrolysis treatment system and method
  • Heat accumulation type block-shaped oil shale pyrolysis treatment system and method
  • Heat accumulation type block-shaped oil shale pyrolysis treatment system and method

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Embodiment 1

[0066] The particle size of Fushun oil shale is 6-30mm, and the residence time is 60 minutes when entering the furnace. The control temperature of the radiant tube is shown in Table 2, the material balance is shown in Table 3, and the pyrolysis gas composition and calorific value are shown in Table 4.

[0067] Table 1: Australian lignite analysis data

[0068]

[0069] Table 2: Process operating parameters

[0070] Serial number parameter name Parameter value 1 Wall temperature of a radiant tube650℃ 2 Two-layer radiant tube wall temperature600℃ 3 Three-layer radiant tube wall temperature550℃ 4 Reversing valve setting time60s 5 Exhaust temperature of a layer of radiant tube180℃ 6 Two-layer radiant tube wall temperature160℃ 7 Three-layer radiant tube wall temperature140℃

[0071] Table 3: Material balance sheet

[0072]

[0073] Table 4: Pyrolysis gas composition table

[0074] Serial number Gas composition and composition Result vol% 1CH 4

[0075] In the description of the prese...

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Abstract

The invention belongs to an oil shale pyrolysis treatment process and in particular relates to a heat accumulation type block-shaped oil shale pyrolysis treatment system and method. Aiming at the problems in the prior art, the invention provides the heat accumulation type block-shaped oil shale pyrolysis treatment system and method; the oil shale pyrolysis treatment system comprises a chain plate type drying machine, a hopper and a heat accumulation type pyrolysis reactor, wherein the hopper is connected with the chain plate type drying machine. According to the heat accumulation type block-shaped oil shale pyrolysis treatment system and method, a built-in heat accumulation type radiation tube is used as a heating source; the heat accumulation type radiation tube is reasonably arranged so that reasonable control of temperature of a reactor is realized; the design of the radiation tube can be simplified so that the investment cost is reduced. Meanwhile, the system realizes pyrolysis treatment on oil shale with a wide grain diameter range, and large-scale production can be realized.

Description

Technical field [0001] The invention belongs to an oil shale pyrolysis treatment process, and specifically relates to a thermal storage type massive oil shale pyrolysis treatment system and a method thereof. Background technique [0002] my country has a large amount of oil shale resources, and a large amount of oil and gas resources can be obtained through pyrolysis, which is of great significance to the shortage of oil and gas resources in my country. However, the current mature technology for processing oil shale is mainly for massive raw materials, such as Fushun Furnace and Sanjiang Furnace, but all have the problems of small single furnace scale and low oil and gas yield. The processing technology for powdered oil shale includes Dalian The DG method of science and technology and the ATP method of Australia have not been effectively promoted because of the complicated process and high cost. Therefore, the development of a simple, low-cost oil shale pyrolysis treatment is of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/06C10B49/00C10B57/10
CPCC10B53/06C10B49/00C10B57/10
Inventor 陈水渺肖磊薛逊王东方姜朝兴吴道洪
Owner SHENWU TECH GRP CO LTD
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