Device for measuring leakage of water supply pipeline in laboratory and measuring method using same

A water supply pipeline and laboratory technology, which is applied in the direction of liquid tightness measurement using liquid/vacuum degree, and by measuring the increase and deceleration rate of the fluid, etc., can solve the time-consuming, complicated measurement of leakage at different shapes of leaks, and the leakage of water supply pipelines. The problem that the relationship between volume and pressure cannot be realized, etc., achieves the effect of simple installation

Active Publication Date: 2014-09-17
哈尔滨凯纳科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the problem that existing methods for detecting the relationship between leakage and pressure of water supply pipelines in the prior art cannot realize the measurement of the leakage of different shapes of leaks, or the measurement ...

Method used

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  • Device for measuring leakage of water supply pipeline in laboratory and measuring method using same

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specific Embodiment approach 1

[0012] Specific implementation mode one: combine figure 1 , this embodiment is a device for measuring the leakage of the water supply pipeline in the laboratory. The device for measuring the leakage of the water supply pipeline in the laboratory consists of a first controllable valve 1, a terminal pressure gauge 2, an exhaust valve 3, a casing 4, a front pressure gauge 6, a first Two controllable valves 7, water supply pipes 8, two clamps 9, third controllable valves 10, volume flow meters 11, water holding devices 12, pressure stabilizing tanks 13, water pumps 14, water tanks 15 and programmable logic controllers 16 Composition; the water supply pipeline 8 is connected with the leakage pipe fitting 5; the water supply pipeline 8 outlet end is provided with a first controllable valve 1, and the water supply pipeline 8 water inlet end is provided with a water pump 14, and the water pump 14 is connected with the water tank 15; The water supply pipeline 8 on the left side of the ...

specific Embodiment approach 2

[0018] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the sleeve 4 is a transparent sleeve. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0019] Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the lower half-arc section of the casing 4 is a slope section. Others are the same as in the first or second embodiment.

[0020] The lower half arc of the casing 4 has a certain slope to ensure that no water remains in the casing so that all the water flows into the water holding device 12 to ensure accurate flow measurement during the experiment.

[0021] In this embodiment, the casing 4 is set to be transparent, and the lower half arc of the casing 4 has a certain slope, which is beneficial to observe the leakage phenomenon, and drains the leakage water in the outer pipe to prevent it from affecting the measurement, which is the leakage amount The accurate measurement provides a guarantee.

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Abstract

The invention relates to a device for measuring leakage of a water supply pipeline and a measuring method using the device, in particular to a device for measuring leakage of a water supply pipeline in a laboratory and a measuring method using the device. The device for measuring leakage of the water supply pipeline in the laboratory and the measuring method using the device are used for solving the problems that in the prior art, a method for detecting the relation between the leakage amount and the pressure of a water supply pipeline cannot achieve the purpose of measuring the leakage amount of leaking openings with different shapes, or when a nighttime minimum flow method is used for measurement by collecting regional pipe network data, the method is complex and high in time consumption, and regional normal water supply is influenced. The device is composed of a controllable valve, a tail end pressure gauge, a vent valve, a casing pipe, a front-end pressure gauge, the water supply pipeline, a hoop, a volume flowmeter, a water containing device, a surge bank, a water pump, a water tank and a programmable logic controller. The measuring method comprises the steps of adjusting the water pressure and measuring the leakage amount. The device for measuring leakage of the water supply pipeline in the laboratory and the measuring method using the device are implemented.

Description

technical field [0001] The invention relates to a device for measuring the leakage of a water supply pipeline and a measuring method using the device. Background technique [0002] Due to pipeline corrosion, there are different forms of leaks on the water supply network, and leakage is prone to occur during the water distribution process. After the water is transported through the water supply network for a long distance, the water pressure of the pipe network will decrease, and the water supply will decrease. With the increase of leakage, In the end, the water pressure will be insufficient to meet the needs of users; the seriousness of leakage: due to corrosion of pipelines, loose joints of pipelines, and excessive operating pressure of pipelines in underground water supply pipe networks, the leakage of most urban pipe networks has reached the total More than 20% of the water supply, a serious waste of water resources. my country is a country with few per capita water reso...

Claims

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Application Information

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IPC IPC(8): G01M3/28
Inventor 高金良李娟娟刁美玲郑成志叶健
Owner 哈尔滨凯纳科技股份有限公司
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