Overlying water supply equipment in the construction of the water tank Fig overlying water supply equipment

Non-vacuum equipment major functional components of the water supply project for the intelligent numerical control frequency of water supply, according to water changes, the use of variable frequency pumps, the use of pressure control, pressure tank regulator to achieve the number of poor, make up the number, reach energy saving low-cost, management cost the province purposes. 1, all use of domestic life water pump Hangzhou Nanfang first brand, protection class IP55, insulation class F, electrical energy than the average 5%. 2, all the pumps are made of high quality mechanical seals, more than 8000 hours of continuous operation without leakage. 3, excellent hydraulic model, 5% higher efficiency than other similar products. And low noise, no vibration, smooth operation. 4, the drive uses the Swiss ABB inverter. Control cabinet electrical components, the use of international brands Schneider, with a phase, overload, overload protection. According to external circumstances run their own self-protection, eliminating the need for manual management costs. How high and low dual-chamber negative pressure water equipment maintenance; how to use no negative pressure water equipment is maintained it? - Equipment put into operation before the system should be cleaned purge to avoid impurities entering the pump equipment damage. - The pump should not be long-term operation in the case of the outlet valve is fully closed, nor should run at the performance curve hump, but not to air operation, allowing the seal with packing seal when there are 10 to 20 drops / min leaks - Runtime bearing temperature must not exceed 75 degrees Celsius - the water pump cope with bearings in the once every 500 hours of operation refueling - equipment long-term outage should take the necessary measures to prevent equipment contamination and corrosion, winter outage should be used antifreeze, precautionary measures - Run device should be considered preliminary implementation of sewage water quality non-negative frequency of water supply equipment, generally called frequency without negative pressure water supply equipment, frequency conversion layers of water supply equipment or a conventional water supply reservoir can not be separated without pool (water tower), the water reservoir is generally supplied water pipe, so the pressure of the water into the pool becomes zero, causing a lot of energy raw waste. No negative pressure water equipment is one of the latest research and development of energy-saving water supply equipment, it can be directly connected with the water pipe network, water pipe network does not produce any side effects of secondary water supply equipment, based on municipal pipe network pressure direct lamination Water, energy conservation, and also has a fully enclosed, non-polluting, covering the amount is small, fast installation, reliable operation, easy maintenance and many other advantages.