Microwave pyrolysis system and use method thereof

A microwave and pyrolysis technology, applied in separation methods, chemical instruments and methods, indirect heating and dry distillation, etc., can solve the problems of restricting the use of high added value of raw coal gas, reducing the calorific value of raw coal gas, etc., and achieve unique heat conduction laws and temperature rise The effect of fast speed and uniform heating

Pending Publication Date: 2019-08-23
YULIN UNIV
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Problems solved by technology

At present, air is generally used as a combustion aid, and internal heat pyrolysis technology makes the nitrogen content in raw coa...

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  • Microwave pyrolysis system and use method thereof
  • Microwave pyrolysis system and use method thereof
  • Microwave pyrolysis system and use method thereof

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Embodiment Construction

[0032]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. the embodiment. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] As a certain preferred embodiment of the present invention, such as figure 1 As shown, a microwave pyrolysis system includes a preheating section 11, a microwave pyrolysis section 7, an activated carbon section 5, a graphite section 4 and a cooling section 3, and the feed port of the preheating section 11 is connected with a pulverized coal feeding mechanism, specifically Yes,...

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Abstract

The invention discloses a microwave pyrolysis system and a use method thereof. According to the microwave pyrolysis system, microwave generators are arranged on a microwave pyrolysis segment, an activated carbon segment and a graphite segment respectively, baffles and a dust cover are arranged in the microwave pyrolysis segment from bottom to top in sequence, powdered coal is subjected to pyrolysis on the microwave pyrolysis segment, meanwhile, raw coke oven gas and a small number of dust are generated, the raw coke oven gas carries the dust to go upwards, when passing through the multiple layers of baffles in the microwave pyrolysis segment, a large number of the dust is stopped, and goes down under the action of gravity, a small number of the dust is carried by the raw coke oven gas continuously to go upwards to the dust cover, the dust is further isolated, through the microwave generators, heating is conducted, microwave pyrolysis has the characters of a unique heat conduction law,overall even heating of the interior and the exterior, high heating speed and selective heating, pyrolysis can be conducted on coal, oil sludge and oil shale materials, the pyrolysis efficiency is improved, the pyrolysis product yield and the product quality are improved, the content of the obtained raw coke oven gas and obtained nitrogen is controlled, and the high-quality raw coke oven gas can be obtained.

Description

technical field [0001] The invention belongs to the technical field of energy and chemical industry, and in particular relates to a microwave pyrolysis system and a using method thereof. Background technique [0002] my country's energy structure is characterized by rich coal, poor oil, and little gas. As the world's largest coal production and consumption country, for a long period of time, the position of coal resources as my country's leading energy is unshakable. According to statistics, my country's proven coal reserves are 114.5 billion tons, of which low- and medium-rank coal accounts for 55.15% of the country's reserves. With the widespread use of modern comprehensive coal mining technology, the yield of lump coal has decreased (from the current 40% to 10-20%), and the pulverized coal yield has increased (from the current 60% to 80-90%) . Pulverized coal has problems such as easy dust, explosion, flammability, and difficulty in comprehensive utilization. Coal pyrol...

Claims

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Application Information

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IPC IPC(8): C10B53/04C10B47/02C10B43/00B01D46/02
CPCB01D46/02C10B43/00C10B47/02C10B53/04
Inventor 张智芳张秦龙高雯雯
Owner YULIN UNIV
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