NFWGIII-type multistage tank body water supply equipment

Abstract

The invention discloses NFWGIII-type multistage tank body water supply equipment, which comprises a control system and a flow stabilizing tank device which is arranged between a water supply main pipe and a water discharging main pipe, wherein the flow stabilizing tank device, as a multistage tank body structure, comprises a flow stabilizing tank and a voltage supplementing tank body; a voltage supplementing capsule body is arranged in the voltage supplementing tank body; a water inlet branch pipe, which is connected to the voltage supplementing tank body, is arranged on the water supply main pipe; the water outlet of the water inlet branch pipe communicates with an opening of the voltage supplementing capsule body; the flow stabilizing tank body is connected to the voltage supplementing tank body by virtue of a negative pressure inhibiting device; the negative pressure inhibiting device is connected to the control system; and the negative pressure inhibiting device communicates with a cavity of the voltage supplementing tank body outside the voltage supplementing capsule body by virtue of a pipeline. The water supply equipment, through a cooperated operation with the multistage tank body structure, offers voltage supplementing double guarantee by virtue of the voltage supplementing capsule and gas, so that a negative-pressure inhibiting effect of municipal water supply is enhanced and the safe running of a municipal pipe network is guaranteed.

Description

technical field [0001] The invention relates to the technical field of water supply equipment, in particular to a NFWGⅢ type multi-stage tank water supply equipment. Background technique [0002] The traditional primary water supply can no longer meet the water demand of modern cities. With the continuous development of the economy and the continuous updating of various technologies, on the basis of the original water supply, a pipe network superimposed non-negative pressure water supply equipment is added for secondary water supply. Due to the excellent characteristics of energy saving, space saving and no pollution, the non-negative pressure water supply equipment can be widely used in the modern secondary water supply industry. [0003] With the continuous expansion of urbanization and the increase of high-rise buildings, water supply has become a major focus of urban life. The primary water supply of the original municipal network management may have a better effect fo...

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Problems solved by technology

[0013] The purpose of the present invention is to solve the problems of relying on compressed air to supplement pressure in the prior art, the effect is poor, the negative pressure protection ability is limited, and when the inlet water pressure fluctuates, it is easy to affect the outlet pressure, etc., and provide a kind of energy A kind of NFWGⅢ multi-stage tank water supply equipment with double supplementary pressure function to effectively prevent relative negative pressure

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