Multi-water hammer hazard protection device for high-lift water lifting equipment and control method

The invention discloses a multiple water hammer hazard protection device for high-lift water lifting equipment and a control method. The multiple water hammer hazard protection device comprises startup protection, protection during unit normal operation shutdown and equipment failure emergency shutd...

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Hauptverfasser:	HAN JUNGANG, LI JIANFENG, LI JIANYONG, PAN CHUNLEI, ZHOU JIANGSONG, ZHAO CHENGZONG, ZHAO ZENGJIA, LUO HONGBING, NIE ZHENGHUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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creator	HAN JUNGANG LI JIANFENG LI JIANYONG PAN CHUNLEI ZHOU JIANGSONG ZHAO CHENGZONG ZHAO ZENGJIA LUO HONGBING NIE ZHENGHUA
description	The invention discloses a multiple water hammer hazard protection device for high-lift water lifting equipment and a control method. The multiple water hammer hazard protection device comprises startup protection, protection during unit normal operation shutdown and equipment failure emergency shutdown protection. Start-up protection controls a sectional type hydraulic working valve (10) through a pressure monitoring system, and it is ensured that the pressure of an outlet pipeline slightly fluctuates. When the unit normally runs and stops, protection is achieved by sequentially closing the sectional type hydraulic working valve (10) and the swing check valve (8), and multiple cut-off is conducted. And the equipment failure emergency shutdown protection is controlled by opening and closing a sectional hydraulic working valve (10), a swing check valve (8) and an electric maintenance ball valve (13). By controlling the sectional type hydraulic working valve, the swing check valve and the electric maintenance ba
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The multiple water hammer hazard protection device comprises startup protection, protection during unit normal operation shutdown and equipment failure emergency shutdown protection. Start-up protection controls a sectional type hydraulic working valve (10) through a pressure monitoring system, and it is ensured that the pressure of an outlet pipeline slightly fluctuates. When the unit normally runs and stops, protection is achieved by sequentially closing the sectional type hydraulic working valve (10) and the swing check valve (8), and multiple cut-off is conducted. And the equipment failure emergency shutdown protection is controlled by opening and closing a sectional hydraulic working valve (10), a swing check valve (8) and an electric maintenance ball valve (13). 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language	chi ; eng
recordid	cdi_epo_espacenet_CN115405512A
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subjects	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
title	Multi-water hammer hazard protection device for high-lift water lifting equipment and control method
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