Gas switching lift valve for heat accumulating type thermal oxidation furnace

Gas switching lift valve for heat accumulating type thermal oxidation furnace

The utility model relates to a lift valve for reversing and cutting off airflow, in particular to a gas switching lift valve for a heat accumulating type thermal oxidation furnace, which comprises a driving cylinder, a supporting seat, a valve seat, a connecting shaft, a welding ring and a sealing p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIAO ZHILANG, DENG LONG, CHEN XIANGYANG, HUANG FAYANG, ZENG TAO, KUANG GUANGHUI, WU XIANHE, YANG ZILIN, ZHANG KAIHANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
LUBRICATING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Beschreibung
Zusammenfassung:The utility model relates to a lift valve for reversing and cutting off airflow, in particular to a gas switching lift valve for a heat accumulating type thermal oxidation furnace, which comprises a driving cylinder, a supporting seat, a valve seat, a connecting shaft, a welding ring and a sealing plate, the valve seat is arranged on a shell of the heat accumulating type thermal oxidation furnace, the supporting seat is arranged on the valve seat, and the connecting shaft is arranged on the supporting seat. The driving air cylinder is arranged on the supporting seat, the output end of the driving air cylinder downwards penetrates through the supporting seat, the upper end of the connecting shaft penetrates through the valve seat and is fixedly connected with the output end of the driving air cylinder, the lower end of the connecting shaft is embedded into an inner cavity of the heat accumulating type thermal oxidation furnace and is connected with the sealing plate, and the welding ring is fixedly connected w