Box type non-negative pressure water supply device

Abstract

The invention discloses a box type non-negative pressure water supply device comprising the following units: a sealed water tank having a water inlet pipe connected with the municipal pipe network, wherein the water inlet pipe is provided with a first valve, a filter, a backflow preventer, a pressure gauge and a second valve arranged in order; a high level ball float valve, a low level alarm device, an overflow water level alarm device and a sealed overflow device arranged in the sealed water tank; a reciprocating type suction-exhaust filter and a flange manhole arranged on the top of the sealed water tank; a water outlet pipe connected with the sealed water tank and a booster pump assembly, wherein the boost pump output pipe, connected with a user pipe network, of the boost pump assembly is connected with a pressure transmitter; a conflux pot arranged on the water outlet pipe and connected with the water inlet pipe through a second pipe, wherein the second pipe is provided with a negative pressure detector and anon-negative pressure controller; a frequency conversion control cabinet connected with the pressure gauge, the second valve, the overflow water level alarm device, the non-negative pressure controller and the boost pump assembly. The box type non-negative pressure water supply device is reasonable in structure design, and high in water supply stability.

Description

technical field [0001] The invention relates to a water supply device, in particular to a Box-type non-negative pressure water supply device . Background technique [0002] The current box-type non-negative pressure water supply equipment has the problem of poor water supply stability. Contents of the invention [0003] The object of the present invention is to solve the above problems and provide a water supply system with high stability and reliability. Box-type non-negative pressure water supply device . [0004] In order to solve the above technical problems, the embodiments of the present invention provide a Box-type non-negative pressure water supply device , which includes: [0005] A closed water tank, which is provided with a water inlet pipeline connected to the municipal pipe network, and the water inlet pipeline is sequentially equipped with a first valve, a filter, a backflow preventer, a pressure detection gauge, and a second valve; [0006] High water l...

AI Technical Summary

Problems solved by technology

[0002] The current box-type non-negative pressure water sup

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