Low-vacuum generation device of single pump for water discharging of sludge and using method of low-vacuum generation device
A generating device and low-vacuum technology, applied in soil protection, construction, infrastructure engineering, etc., can solve problems such as low efficiency and clogging efficiency, and achieve the effect of easy operation, convenient installation, disassembly and maintenance
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[0022] A single-pump low-vacuum generating device for sludge drainage, its overall structure includes: vacuum pump 1, vacuum pump control electric contact vacuum gauge 2, vacuum tank 3, air leakage protection solenoid valve control electric contact vacuum gauge 4, air leakage protection electromagnetic valve 5.
[0023] The two phases of the power supply of the vacuum pump 1 are electrically connected to the live wire of the power supply and the neutral wire of the lower limit end of the electric contact vacuum gauge 2, and the other phase is grounded;
[0024] The bus of the vacuum pump control electric contact vacuum meter 2 is electrically connected to the zero line of the power supply, the lower limit end is electrically connected to the zero line of the vacuum pump 1, and communicates with the vacuum tank 3 through a vacuum pipeline;
[0025] The vacuum tank 3 is a sealed tank, connected to the vacuum pump 1 through a vacuum pipeline, and connected to the vacuum pump cont...
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