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Comprehensive utilization method of oil shale

A technology of oil shale and dry distillation, which is applied in the field of comprehensive utilization of oil shale and clean oil products, and can solve the problem of low efficiency of comprehensive utilization of oil shale

Inactive Publication Date: 2011-04-27
WISON ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above technologies involve the dry distillation, combustion and / or power generation of oil shale, but the comprehensive utilization efficiency of oil shale is not high

Method used

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  • Comprehensive utilization method of oil shale
  • Comprehensive utilization method of oil shale

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Experimental program
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Effect test

Embodiment

[0063] This embodiment is a 600,000-ton / year oil shale comprehensive utilization and processing device built in an oil shale mining area. The oil shale mining area is accompanied by lignite, and at the same time, there are low-quality heavy oil sources locally. The comprehensive utilization processing equipment is mainly used to process oil shale, and when there is lignite and / or foreign low-quality heavy oil, it is mixed with lignite and / or heavy oil for processing.

[0064] Option 1: Processing oil shale

[0065] The comprehensive utilization processing device processes the oil shale extracted from the mining area when there is no lignite and foreign heavy oil.

[0066] Option 2: Processing oil shale and lignite

[0067] When the lignite is produced together, the oil shale and the lignite are processed together, and the mass composition of the oil shale and the lignite is: 90%:10%.

[0068] Scenario 3: Processing oil shale and heavy oil

[0069] When foreign heavy oil is pu...

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Abstract

The invention relates to the field of comprehensive utilization of oil shale, and provides a comprehensive utilization method of oil shale. Particularly, in the method, hydrogen production and oil hydrogenation processes of synthesis gas generated by oil shale dry distillation, dry distillation semicoke pre-charking, semicoke gasification after pre-charking, heavy oil recycle and gasification areorganically combined so as to obtain oil products from raw materials to the maximum extent, the oil products are hydrotreated to obtain high-quality clean oil products, the synthesis gas generated bygasification can be used as high-quality and cheap raw material for hydrogen production to provide a hydrogen source for oil product hydrogenation, and oil shale ash products obtained by cooling after gasification and complementary calcination are used as high-quality building materials. The invention provides a comprehensive utilization cleaner production process which can convert raw materials into high-quality products to the maximum extent and can fully utilize semicoke resources and rich production energy.

Description

technical field [0001] The invention belongs to the field of oil shale processing and utilization, and relates to a method for comprehensive utilization of oil shale. Specifically, the present invention organically carries out hydrogen production from synthesis gas produced by oil shale dry distillation, dry distillation semi-coke pre-burning charcoal, semi-coke gasification after pre-burning charcoal, heavy oil refining, and gasification, and oil product hydrogenation processes. Combination, so that the raw materials can not only obtain oil products to the maximum extent, and high-quality clean oil products can be obtained by hydrogenation of oil products, but also can generate synthesis gas through gasification as a high-quality and cheap hydrogen production raw material to provide hydrogen source for oil hydrogenation, gasification and The shale ash product obtained by cooling after supplementary calcination is used as a high-quality building material raw material. The inv...

Claims

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Application Information

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IPC IPC(8): C10J3/60C10B53/06C10B57/10C10G9/02C10G49/00C01B3/50C04B18/04C04B7/30C04B38/00
CPCY02P40/10Y02W30/91
Inventor 陈兆然王重平马骏袁萍
Owner WISON ENG
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