Coal pyrolysis system and method

A coal pyrolysis and pyrolysis technology, applied in the field of coal pyrolysis systems, can solve the problems of unrecyclable materials, waste of resources, and large amounts of water resources, and achieve good water-saving effects, small footprint, and high resource utilization. Effect

Pending Publication Date: 2018-05-04
SHENWU TECH GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Wet coke quenching not only requires a large amount of water resources, but also...

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  • Coal pyrolysis system and method
  • Coal pyrolysis system and method
  • Coal pyrolysis system and method

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Embodiment Construction

[0041] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0042] The coal pyrolysis system according to the present invention generally includes a pyrolysis unit, a coke quenching unit, a waste heat recovery unit, a dust removal and purification unit, and an oil-water separation and purification unit. Among them, the pyrolysis unit, the shown coke quenching unit, the shown waste heat recovery unit, and the shown dust removal and purification unit are connected in sequence, and the oil-water separation and purification unit is connected with the pyrolysis unit for oil-water separation ...

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Abstract

The invention discloses a coal pyrolysis system, which comprises a pyrolysis unit, a coke quenching unit, a waste heat recovery unit, a dust removal and purification unit and an oil-water separation and purification unit, wherein the pyrolysis unit, the coke quenching unit, the waste heat recovery unit and the dust removal and purification unit are connected in sequence; the pyrolysis unit comprises a pyrolysis reactor; the pyrolysis reactor takes a heat storage type radiant tube burner as a heating heat source; the oil-water separation and purification unit is connected with the pyrolysis unit for carrying out oil-water separation on crude gas generated by coal pyrolysis. According to the coal pyrolysis system, the heat storage type radiant tube burner is taken as the heating heat source,the temperature of discharged smoke generated by a combustion chamber is not lower than 200 DEG C, in addition, the discharged smoke flows in a radiation tube and is not mixed with the crude gas generated by coal pyrolysis, and the discharged smoke can be directly conveyed to the coke quenching unit to serve as a coke quenching gas carrier. The invention simultaneously provides a coal pyrolysis method which uses the coal pyrolysis system.

Description

technical field [0001] The invention relates to the technical field of coking, in particular to a coal pyrolysis system and method. Background technique [0002] The traditional coal pyrolysis process includes high-temperature pyrolysis and the cooling process of high-temperature materials in the pyrolysis station. At the end of coking, the temperature of the material is generally 950°C to 1100°C. In order to facilitate transportation and storage, it is necessary to cool the red hot material to below 250°C. This process is called coke quenching. Traditional coke quenching technology includes wet coke quenching technology using cold water spray method to cool down and dry coke quenching technology using circulating gas as heat carrier to cool down. Among them, the wet coke quenching technology has simple process and low investment, but it cannot recover the sensible heat of the material, and has great environmental pollution; the dry coke quenching technology is widely used ...

Claims

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Application Information

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IPC IPC(8): C10B47/00C10B39/02C10B43/00
CPCY02P20/129C10B47/00C10B39/02C10B43/00
Inventor 吴道洪郭启海丁力
Owner SHENWU TECH GRP CO LTD
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