Coal pyrolysis system
The invention discloses a coal pyrolysis system which comprises a drying rotary kiln, a pyrolysis rotary kiln, a heating rotary kiln, and a cooling device, wherein the drying rotary kiln is used for drying a raw material, namely coal, to obtain a dry material; the pyrolysis rotary kiln is used for p...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a coal pyrolysis system which comprises a drying rotary kiln, a pyrolysis rotary kiln, a heating rotary kiln, and a cooling device, wherein the drying rotary kiln is used for drying a raw material, namely coal, to obtain a dry material; the pyrolysis rotary kiln is used for pyrolyzing the dry material formed by the drying rotary kiln to obtain heat semicoke; the heating rotary kiln is used for heating and reflowing a first part of heat semicoke formed by the pyrolysis rotary kiln; and the cooling device is used for cooling a second part of heat semicoke formed by the pyrolysis rotary kiln to obtain product semicoke. According to the coal pyrolysis system, the heating rotary kiln is additionally arranged between the drying rotary kiln and the pyrolysis rotary kiln, so that the heat semicoke generated by pyrolysis of the pyrolysis rotary kiln is heated by the heating rotary kiln and reflows to be mixed with the dry material dried by the drying rotary kiln; the dry material is further hea |
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