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Integrated gas retort

A retort furnace and an integrated technology, applied in the direction of indirect heating retort, coke oven, petroleum industry, etc., can solve problems such as difficult and poor uniform gas distribution of retort furnaces, and reduce construction costs, energy consumption and operating costs , the effect of reducing the load

Active Publication Date: 2012-12-19
辽宁智越建设有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This problem seems to be simple, but it is actually very difficult. Fushun type retort furnace wants to increase the processing capacity from 100 tons to more than 200 tons. failed to achieve

Method used

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Embodiment Construction

[0041] attached image 3 It is a flow chart of the integrated dry distillation process. The figure shows that the integrated dry distillation process does not set an independent heating furnace. After the dry distillation gas is discharged from the dry distillation furnace, the shale oil is recovered by the oil recovery device, and is cooled to 35 ° C ~ 40 ° C, and enters the gas cabinet. A part is directly sent to the combustion chamber of the integrated carbonization furnace by the gas fan as fuel; a part is sent to the bottom of the integrated carbonization furnace by the gas fan to recover the waste heat of the semi-coke, and the temperature rises above 450 ° C and merges with the carbonization oil gas to pre-process the material. Heat drying, the temperature of the retort gas keeps dropping during the rising process, and the temperature at the outlet of the retort furnace is about 90°C to 110°C, and then it is introduced into the oil recovery system to collect oil, and th...

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Abstract

The invention relates to an integrated gas retort integrating heating of a heat carrier and dry distillation of materials into the same one dry distillation unit. The integrated gas retort is characterized in that smoke gas is used as dry distillation heat carrier for indirectly heating materials; the gas retort is formed by combining a plurality of dry distillation sub units. Each dry distillation sub unit is independent, one combustion chamber corresponds to one dry distillation chamber to form one dry distillation sub unit, the upper parts of retorts comprising a plurality of dry distillation sub units are communicated, the two dry distillation sub units are separated by a smoke gas chamber, and the lower parts share one water seal tank and a tar exhaust device. The actual daily capacity of the gas retort can achieve more than 6000. The integrated gas retort is applicable to low-temperature dry distillation oil refining of materials oil sand, oil shale, coal and the like. The integrated gas retort is applicable to dry distillation and oil refining of small-particle materials, as well as various qualities of materials with low gas content, low fixed carbon content and high moisture content, and the oil recovery rate of the gas retort can achieve about 90%.

Description

technical field [0001] The invention relates to an integrated dry distillation furnace which integrates heat carrier heating and material dry distillation in the same dry distillation unit. It is suitable for low-temperature carbonization and refining of materials such as oil sand, oil shale and coal. Background technique [0002] At present, there are three kinds of low-temperature distillation processes for materials in China. The first one is the Fushun type carbonization process. The main equipment includes a carbonization furnace and a heating furnace. The carbonization furnace is a cylindrical structure and is an internal combustion furnace. The heating furnace is a heat storage type heating furnace. Fushun dry distillation process see figure 1 When working, a blower is used to send saturated air from the bottom of the retort furnace to support combustion, and the flue gas generated by the combustion of fixed carbon in the material is used for retort distillation of ...

Claims

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Application Information

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IPC IPC(8): C10B47/02
CPCY02P20/129
Inventor 吴冠峰
Owner 辽宁智越建设有限公司
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