Heat accumulating type shaft seal electric heating system and control method

Heat accumulating type shaft seal electric heating system and control method

The invention discloses a heat accumulating type shaft seal electric heating system and a control method. The electric heating system comprises a high-temperature shaft seal, a high-temperature shaft seal pipeline, a shaft seal main pipe, a heat storage device, a gate valve, an electric heater and a...

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Hauptverfasser: ZHAN SHIJIE, DU LIGANG, HUANG BIAO, ZHONG GANGYUN, JI YANYUN, YANG OU, LIU JINGWU, WANG ZHONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
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creator ZHAN SHIJIE
DU LIGANG
HUANG BIAO
ZHONG GANGYUN
JI YANYUN
YANG OU
LIU JINGWU
WANG ZHONG
description The invention discloses a heat accumulating type shaft seal electric heating system and a control method. The electric heating system comprises a high-temperature shaft seal, a high-temperature shaft seal pipeline, a shaft seal main pipe, a heat storage device, a gate valve, an electric heater and a monitoring subsystem. According to the control method, the electric heating system is adopted, a unit enters a hot state in the operation stage, and leaked steam of a high-temperature shaft seal heats a heat storage medium in the heat storage device for heat storage; in the hot state and extremely hot state shutdown or starting state of the unit, steam is supplied to the high-temperature shaft seal after entering the electric heater and the heat storage device, the electric heater is started for heating, and before the electric heater is started to reach the outlet set temperature, the steam is supplied to the high-temperature shaft seal after absorbing heat in the heat storage device; and the heat storage device
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subjects BLASTING
ENGINE PLANTS IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES
STEAM ENGINES
WEAPONS
title Heat accumulating type shaft seal electric heating system and control method
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