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Method for keeping constant pressure water supply for urban water supply pipe network

A technology of constant pressure water supply and urban water supply, which is applied in the direction of water supply devices, water supply main pipelines, water supply pipeline systems, etc., to achieve the effect of eliminating excessive or insufficient pressure, reducing pipe burst problems, and requiring less hardware equipment

Inactive Publication Date: 2018-07-24
河北天俱时自动化科技有限公司
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a method for maintaining constant-pressure water supply in the urban water supply network, and propose a new control method to solve the water pressure fluctuation between the urban water supply network. The problem of long-distance communication, and automatically maintain the pressure balance to ensure the stability of water supply

Method used

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  • Method for keeping constant pressure water supply for urban water supply pipe network

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Embodiment 1

[0018] Such as figure 1 As shown, the present invention provides a method for maintaining a constant-pressure water supply in an urban water supply network, and the technical principles of the method steps for maintaining a constant-pressure water supply are as follows:

[0019] A. Use digital radio to achieve long-distance data transmission. The digital radio adopts DSP technology and self-adaptive equalization. Set up a master digital radio in the city water system control center, and set up a master digital radio in each subordinate water plant to transmit data to each other. , mainly responsible for uploading the pressure, flow and water plant data of the main network;

[0020] B. Add pressure transmitters and electromagnetic flowmeter acquisition devices at the entrance and exit of the pipe network, the signal is transmitted wirelessly, and the data is transmitted to the monitoring center of the water delivery pump room through DSP, and the PLC of the water delivery pump ...

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Abstract

The invention discloses a method for keeping constant pressure water supply for an urban water supply pipe network. A digital radio is utilized to achieve long-distance data transmission and adopts aDSP technology for self-adaptive balance, a main digital ratio is arranged in a water system control center in the city, main digital ratios are arranged in all subordinate water plants respectively to be used for mutually transmitting data and are mainly in charge of uploading pressure and flow of a main pipe network and water plant data, a pressure transmitter and an electromagnetic flowmeter acquiring device are added on an inlet and an outlet of the pipe network respectively, a signal is wirelessly transmitted, data is transmitted to a water pump house monitoring center through a DSP, datacommunication is conducted with a PLC system of a water delivering pump house of a large earth surface water plant, a water delivering pump is interlocked with pipe network pressure data, and a waterdelivering frequency converter achieves PID control. To solve the problems of water pressure fluctuation among urban tap water pipe networks and long-distance communication, the novel control methodis provided, pressure is automatically kept balanced, and stable water supply is guaranteed.

Description

technical field [0001] The invention relates to a water supply method, in particular to a method for maintaining constant-pressure water supply in an urban water supply pipe network. Background technique [0002] As we all know, in terms of the technical performance of the water supply system, the entire water supply system should meet the needs of users for water quality, water volume and water pressure. In addition, in the entire infrastructure construction process and production operation, it also requires low infrastructure investment and low operating costs. It is easy to operate and manage, and the tower-free water supply equipment can produce safely and give full play to the economic benefits of the entire water supply system. Therefore, it is very important to choose the water supply system correctly. There are many factors that affect the selection of the water supply system, mainly including the planning of towns or communities The local terrain, the user's demand ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03B11/16E03B7/07
CPCE03B11/10E03B7/072E03B7/075
Inventor 高瑞珠马志民张欣巧岳宗礼彭晓辉赵永辉张玮姚振永薛龙
Owner 河北天俱时自动化科技有限公司
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