Full-automatic pipe network pressure-superposed water supply device

A technology of stacking water supply and pipe network, applied in water supply installation, water saving, water supply main pipeline, etc., can solve the problems of affecting the service life of equipment, increase of pump shaft power, low pump head, etc., to achieve convenient installation, management and maintenance , The effect of preventing the pump from overloading and running energy-saving

Inactive Publication Date: 2015-07-01
QINGDAO WANLI TECH
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The pipe network superimposed water supply equipment is a new type of secondary water supply equipment that is directly connected in series to the municipal tap water pipe network for pressurized water supply. Its notable feature is that it can use the original pressure of the tap water pipe network and save energy. The water pumps in the pump are all centrifugal pumps. The characteristic curve is that the head of the pump decreases with the increase of the flow rate, and the shaft power of the pump increases continuously with the increase of the flow rate. When the original pressure of the municipal tap water pipe network is too high and the water pump Excessive pressure at the water inlet will lead to low head of the pump and a large increase in flow rate, resulting in overflow, overload and even damage to the motor, which will affect the service life of the equipment

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  • Full-automatic pipe network pressure-superposed water supply device

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Embodiment Construction

[0011] attached below figure 1 The fully automatic pipe network superimposed water supply equipment of the present invention will be described in detail below.

[0012] as attached figure 1 As shown, the fully automatic pipe network superimposed water supply equipment of the present invention is mainly composed of negative pressure eliminator 5, steady flow regulating tank 6, water sterilizer 9, water pump 14, flow limiting check valve 15, air pressure water tank 20, flow meter 22 and a control cabinet 24, the water inlet of the steady flow regulating tank 6 is connected to the tap water inlet pipe 1, and a backflow preventer 3 is installed on the tap water inlet pipe 1, and a filter 2 is arranged before the backflow preventer 3, and the steady flow regulating tank 6 is also equipped with a pressure detection gauge 4 and a negative pressure eliminator 5 for eliminating negative pressure. The outlet water of the steady flow regulating tank 6 is connected with the water suction...

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Abstract

The invention discloses a full-automatic pipe network pressure-superposed water supply device. The full-automatic pipe network pressure-superposed water supply device is mainly composed of a negative pressure eliminator, a flow stabilization regulating tank, a water sterilizer, water pumps, flow limiting check valves, a gas pressure water tank, a flow meter and a control cabinet, wherein the flow limiting check valves are arranged on water outlet pipes of the water pumps and are connected with the water inlet pipes of the water pumps through control pipes. The flow limiting check valves are used for limiting the flow of the water pumps and stabilizing the pressure of the water pumps, and can make the water pumps work in an efficient area and prevent motor burnout caused by the overload of the low-lift and large-flow water pumps. The full-automatic pipe network pressure-superposed water supply device has the advantages of being compact in structure, small in occupied space, capable of saving investment, capable of saving energy in the running process, sanitary in water quality, and the like; the full-automatic pipe network pressure-superposed water supply device can be connected to a tap water pipe network in series to supply water in a negative-pressure-free, flow-variable, pressure-variable and energy-saving mode; meanwhile, the flow limiting check valves are arranged, and therefore the situations that the lift of the water pumps is decreased and the flow is increased can be effectively avoided, the water pumps are prevented from the overload, and the flow limiting effect, the non-return effect and the water eliminating hammer effect are achieved; the full-automatic pipe network pressure-superposed water supply device is high in water supply safety and automation degree and convenient to install, manage and maintain.

Description

technical field [0001] The invention relates to the technical field of secondary water supply, in particular to a fully automatic pipe network superimposed water supply equipment. Background technique [0002] The pipe network superimposed water supply equipment is a new type of secondary water supply equipment that is directly connected in series to the municipal tap water pipe network for pressurized water supply. Its notable feature is that it can use the original pressure of the tap water pipe network and save energy. The water pumps in the pump are all centrifugal pumps. The characteristic curve is that the head of the pump decreases with the increase of the flow rate, and the shaft power of the pump increases continuously with the increase of the flow rate. When the original pressure of the municipal tap water pipe network is too high and the water pump Excessive pressure at the water inlet will lead to low head of the pump and a large increase in flow rate, resulting ...

Claims

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Application Information

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IPC IPC(8): E03B11/00E03B11/06E03B7/07
CPCY02A20/00
Inventor 不公告发明人
Owner QINGDAO WANLI TECH
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