With the acceleration of urbanization, the leakage problem of water supply pipeline system is becoming more and more prominent, which not only wastes valuable water resources, but also may lead to the loss of water supply system. In order to timely and effectively detect and repair leaks, the water supply industry has adopted a variety of leak detection principles and corresponding pipeline leak detector equipment.
1. acoustic detection method pipeline leak detector
Sound detection method pipeline leak detector is a method to identify the leakage point by detecting the sound changes in the pipeline or equipment. Commonly used devices include noise analyzers, listening stick method, correlation leak picker and so on. This method is more effective in detecting obvious leakage points, but may not be sensitive enough for small leakage points.
2. flow meter detection method pipeline leak detector
The flow meter detection method pipeline leak detector is a method to detect leakage by monitoring the flow changes in the pipeline network. Commonly used devices include flow meters and flow sensors. This method is suitable for long-term monitoring of pipeline network flow, and can detect abnormal flow changes in time, so as to locate the leakage point.
3. Pressure change method pipeline leak detector
Pressure change method pipeline leak detector is through the detection of pressure changes in the pipeline or equipment to identify the leakage point method. Commonly used devices include pressure sensors, differential pressure sensors and so on. When pipeline leakage occurs, the pressure near the leakage point will change, and the leakage point can be located by monitoring these changes.
4. water leakage detection method pipeline leak detector
The pipeline leak detector is a method of determining whether a leak exists by monitoring changes in soil moisture around an underground pipeline. Commonly used equipment includes moisture sensors. When pipeline leakage occurs, the leaking water will lead to an increase in the surrounding soil moisture, and the leakage point can be found in time by monitoring these changes.
5. pipeline leak detector
Pipeline leak detector is a method based on the principle of closed-circuit television (CCTV) imaging, through the endoscope into the pipeline to observe the internal condition of the pipeline to detect leakage. This method can visualize the internal condition of the pipeline and is very effective in locating the leakage point.
6. Thermal imaging method
Thermal imaging method is to use infrared thermal imaging camera or thermal imaging camera to detect the temperature change on the surface of the pipe to find the possible leakage point. When the pipeline leakage occurs, the temperature near the leakage point will change, through the thermal imaging equipment can clearly show these changes, so as to locate the leakage point.
7. chemical tracer method pipeline leak detector
Chemical tracer method pipeline leak detector is through the pipeline network into the tracer, such as fluorescent dyes or chemical substances, through the sampling and analysis to determine the leakage point of the method. The tracer enters the leak with the water flow and is detected in the vicinity of the leak, thus helping to locate the leak.
8. Non-destructive testing techniques
Non-destructive testing (NDT) techniques include ultrasonic testing, magnetic fluid testing, radar testing, and other techniques to detect leaks in pipelines in a non-destructive manner. These methods can provide a comprehensive inspection of the pipeline and accurately locate the leakage point without destroying the structure of the pipeline.
The water supply industry employs a variety of leak detection principles and corresponding pipeline leak detector equipment to cope with leakage problems. Each of these methods and devices has its own characteristics and is suitable for different scenarios and needs. With the continuous progress of science and technology, the leak detection technology and equipment will be constantly updated and improved to provide a strong guarantee for the safety and stability of the water supply industry.