A small particle shale gas heat carrier dry distillation process

A gas heat carrier, small particle technology, applied in the field of dry distillation process, can solve the problems of low thermal efficiency, high production cost, no small particle gas heat carrier dry distillation technology, etc., to improve thermal efficiency, reduce heat load, and increase energy utilization. Effect

Active Publication Date: 2016-08-17
FUSHUN MINING IND GROUP
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  • Abstract
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Problems solved by technology

At present, the existing small particle oil shale carbonization technology in the world is solid heat carrier carbonization technology, and there is no mature industrial application of small particle gas heat carrier carbonization technology, the reason is that this process has low thermal efficiency and high production cost

Method used

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  • A small particle shale gas heat carrier dry distillation process

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Embodiment Construction

[0016] As shown in the figure, the tailings oil shale has a particle size of 0mm to 20mm, and after crushing and screening, it becomes small-grain oil shale in the particle size range of 0mm to 12mm. It is transported to the inlet of the drying winnowing system, enters the drying winnowing system and passes into the hot flue gas. The drying air separation system uses multi-layer mechanical vibration to process incoming shale materials. The whole system is fully enclosed. While shale is being screened, hot flue gas is introduced from the bottom to contact the shale in reverse to dry it. , At the same time, it can take away the dust particles. The whole system has three functions of screening, drying and winnowing. The shale is heated by the hot flue gas at 300°C, the temperature is raised, and part of the external water is removed, so that the water content of the shale is reduced from 9% to 1%, and the temperature of the shale is raised from the ambient temperature to 80°C to ...

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Abstract

The invention discloses a dry distillation process of small particle shale gas heat carrier. The process comprises the process steps of raw ore treatment, dry winnowing, dry distillation and oil refining, product recovery and incineration for heat extraction. Added heat recovery technologies such as drying winnowing and incineration to obtain heat, fully recover the heat generated by the combustion of oil shale semi-coke, and apply it to the entire heat consumption process of oil shale carbonization, greatly improving thermal efficiency and reducing The production cost makes the dry distillation technology of small particle oil shale gas heat carrier mature. It effectively overcomes the process bottleneck of low thermal efficiency, makes the output greater than the cost, makes industrialization profitable, develops a brand-new dry distillation process, and greatly improves the utilization rate of resources.

Description

1. Technical field [0001] The invention belongs to the technical field of dry distillation process, and in particular relates to a dry distillation process of small particle shale gas heat carrier. The process can use the gas heat carrier technology to process small particle oil shale below 12mm in low temperature dry distillation to produce oil. 2. Background technology [0002] In the oil shale low-temperature retort technology, the development difficulty and process complexity of the small-particle oil shale retort technology are much greater than those of the massive shale retort technology. At present, the existing small particle oil shale carbonization technology in the world is solid heat carrier carbonization technology, and there is no mature industrial application of small particle gas heat carrier carbonization technology. The reason is that this process has low thermal efficiency and high production cost. 3. Contents of the invention [0003] The purpose of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10B53/06C10B49/02
Inventor 韩放鲍明福何红梅曹福东星大松王阳
Owner FUSHUN MINING IND GROUP
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