Equipment for producing natural gas by coal

The invention provides equipment for producing natural gas by coal. The equipment comprises a coal preparation unit, a gasification furnace, a subline, a conversion unit, a first absorption tower, a second absorption tower and a methanation unit, wherein the outlet of the coal preparation unit is co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BAO XIJUN, MENG LINGJIANG, ZHANG ZHONGPING, WANG XIANYAN, LIU JINGUO, ZHAO ZEXIU, ZHAO SHOUGUO, WANG DAQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	The invention provides equipment for producing natural gas by coal. The equipment comprises a coal preparation unit, a gasification furnace, a subline, a conversion unit, a first absorption tower, a second absorption tower and a methanation unit, wherein the outlet of the coal preparation unit is connected with the inlet of the gasification furnace, and the outlet of the gasification furnace is connected with the inlet of the conversion unit; the outlet of the conversion unit is connected with the inlet of the first absorption tower, and the outlet of the first absorption tower is connected with the inlet of the second absorption tower; the outlet of the second absorption tower is connected with the inlet of the methanation unit, and the outlet of the gasification furnace is connected with the inlet of the subline; the outlet of the subline is connected with the inlet of the first absorption tower; and the absorbent of the first and second absorption towers is methanol. Since hydrogen is firstly prepared in t