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Oil shale external heat radiation type retort

A technology for oil shale and retort furnaces, which is applied in special forms of retorts, indirect heating retorts, combustible gas heating coke ovens, etc. It can solve the problems of low thermal efficiency, complex process flow, large investment, etc., and achieve temperature stability and reduce volume flow , load reduction and the effect of public auxiliary facilities

Inactive Publication Date: 2015-07-01
XINJIANG BAOMING MINING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the process of producing shale oil through this kind of gas heat carrier carbonization furnace, there are problems of complex process flow, large investment and low thermal efficiency
[0005] And because the gas heat carrier retort furnace outlet gas volume includes self-produced retort gas, thermal cycle gas, water vapor, and shale oil-gas mixture gas, the gas volume is very large, resulting in some unnecessary auxiliary projects

Method used

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  • Oil shale external heat radiation type retort
  • Oil shale external heat radiation type retort
  • Oil shale external heat radiation type retort

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Embodiment Construction

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the drawings in the embodiments of the present invention:

[0032] As shown in the figure: an oil shale external heat radiation retort furnace, mainly including: breaking the oil shale raw material into granular rock materials, and a feeding mechanism 2 for controlling the amount of feeding, which is set on the feeding mechanism 2 The furnace body 1 at the bottom, the furnace body 1 performs external heat radiation dry distillation on the rock material, and the coke discharge machine 3 arranged under the furnace body 1 is used to process the semi-coke generated after the rock material carbonization.

[0033] As the main equipment for radiative carbonization of oil shale rock materials, the interior of the furnace body 1 is ...

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Abstract

The invention discloses an oil shale external heat radiation type retort. Under the condition that the cost is not increased remarkably, a combustion chamber is added on a retort body, a combustion gas pipe and a combustion-supporting air pipe are connected onto the combustion chamber, gas and air are combusted in the combustion chamber through a combustor, and heat is transferred to an oil shale in a destructive distillation chamber through a combustion chamber furnace wall in a heat radiation mode, namely the heat required by oil shale temperature destructive distillation is provided by the external heat radiation instead of an original gas heat carrier. Therefore, the temperature in the combustion chamber is ensured to be stable, and heat quantity is utilized fully. Produced net retorting gas is high-calorific-value retorting gas produced through shale low-temperature destructive distillation, retorting gas amount of a furnace outlet per ton of shale is about 40Nm<3>, and the volume ratio of H2 content in the retorting gas is not smaller than 50%. The volume flow rate of the retorting gas is reduced, accordingly the load of a follow-up oil recovery workshop section is lightened, and public and auxiliary facilities are decreased.

Description

technical field [0001] The present invention relates to patent classification C10 petroleum, gas and coking industry; industrial gas containing carbon monoxide; fuel; lubricant; peat C10B dry distillation of carbon-containing materials to produce gas, coke, tar or similar C10B53 / 00 dedicated to specific solid Dry distillation of raw materials or special forms of solid raw materials C10B53 / 06 of oil shale or bituminous rock. Background technique [0002] The well-known shale oil production is a brown liquid product produced by the thermal decomposition of oil shale through the gas heat carrier method, and its organic matter is thermally decomposed, similar to natural petroleum. The abundance of alkanes and alkenes in shale oil can produce related high value-added chemicals. C6~10 fractions are used to produce plasticizers; C10~13 fractions are used as raw materials for detergents through biodegradation of linear dodecylbenzene; C14~18 fractions are used as raw materials for ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/06C10B57/00C10B47/00C10B21/10C10B15/00
Inventor 黄建宁邱闯裴绍晖
Owner XINJIANG BAOMING MINING CO LTD
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