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The so-called DMA is an independent metering area for water supply. According to Chen Xianxiao, head of the company's production technology department, the residential water supply network is Unicom's. Through technological transformation, independent open and close valves are installed in the existing water pipe network, so that each small area can be separated and the water pipeline can be formed relatively. In the closed area, the flow rate at the entrance to the cell can be monitored in real time by setting the flowmeter at the inlet. “Every month, statistics on the sum of the total meter data and the billing water meter in the plot are compared and compared.†He said that if the error is large, it may indicate that there is a problem of leakage of the pipe network.
In addition to the "big check" once a month, installing the DMA master list also enables remote monitoring. It is understood that the data displayed by each DMA master table will be transmitted to the "measurement production and sales difference management system." The staff just needs to open the system, click on the cell name, and the change of the water use situation for the day in the cell will be displayed on the screen. Move the mouse and master its real-time data. “The data is relatively stable during periods of low water consumption. Once there is a significant change, the chart will immediately be reflected.†Chen Xianxiao pointed to the value on the screen in the evening. For example, in two days, the height of the time during this period of time was obvious and the pipe network leaked. The possibility is great.
With the DMA master list, "runaway" is nowhere to be shaped, which virtually creates a protective wall for users' water security. According to reports, in the past, whether there was a leaking pipe network in the county district or where there was a leak, it was necessary to employ a professional inspection team to conduct inspections. In order to ensure the stability of the water for the masses, it is necessary to carry out regular inspections. This method is unclear in its purpose, and usually has a long time span. Even if there is indeed a leakage problem, repairs will lose timeliness, resulting in wastage of water and poor water use by residents. With the DMA master table, the location can be located, and it can also ensure timely and timely repairs.
(Original title: DMA Master Watch real-time monitoring "Run leaked" community water more than a "security lock")
The DMA's total table makes the water supply run out of nowhere.
[China Instrument Network Instrumentation Industry] Anji County, Zhejiang Province, through the installation of DMA master tables, timely detection of repair leaks in valves, pipes, to solve the water waste, residents of water and other chronic diseases. “In July, the total amount of billing meter water for more than 860 households in the Blue Sky Garden was 6,724 tons, and the total DMA data showed more than 10,000 tons. The difference between the two was more than 3,000 tons, and there was a significant loss.†A few days ago, Zhejiang Anji Waterworks Co., Ltd. The amount of water used in July was analyzed to determine the presence of water leakage. After inspection, it was found that leaks at the valve, pipe, etc. were detected and repaired promptly.