Gasification furnace thermocouple

The utility model relates to a gasification furnace thermocouple. The gasification furnace thermocouple includes a thermocouple and a thermocouple protective sleeve which is arranged on the thermocouple. The thermocouple protective sleeve comprises a nonmetal protective tube of which one end is clos...

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1. Verfasser: DING XIDUAN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The utility model relates to a gasification furnace thermocouple. The gasification furnace thermocouple includes a thermocouple and a thermocouple protective sleeve which is arranged on the thermocouple. The thermocouple protective sleeve comprises a nonmetal protective tube of which one end is closed, an outer metal protective tube which is wrapped on the outer side surface of the nonmetal protective tube, and an inner metal protective tube of which one end is closed, wherein the inner metal protective tube extends into the nonmetal protective tube; the outer surface of the inner metal protective tube is provided with a molten aluminum composite layer; a second adhesive layer is arranged between the inner metal protective tube and the nonmetal protective tube; a first adhesive layer is arranged between the nonmetal protective tube and the outer metal protective tube; the outer surface of the outer metal protective tube is provided with a protective layer; submicron silicon carbide powder is sintered in a pre