Winter pipe network field construction leakage check method

Abstract

The invention provides a winter pipe network field construction leakage check method. According to the method, an electromagnetic steam generator is included and connected with a tested pipe network; the electromagnetic steam generator is connected with a water source, and water is continuously injected into the electromagnetic steam generator; the electromagnetic steam generator heats the injected water, and the water is vaporized into high-pressure water vapor; the high-pressure water vapor is continuously injected into the tested pipe network through a pipeline and stops being injected till the winter pipe network field construction leakage check work is finished; the outer wall condition of the pipe network is checked, and whether leakage exists on the pipe network or not is judged according to the outer wall condition of the pipe network; if water stains or frost are / is left on the outer wall of the pipe network, the part, with the water stains or frost, of the pipe network has the leakage problem; if no water stain or frost is left on the outer wall of the pipe network, the pipe network does not have the leakage problem; the electromagnetic steam generator is connected into the tested pipe network so that the situation that the pipe network is frozen when the winter field construction air temperature is below zero, and the accident of pipe network frost crack is caused can be avoided; and meanwhile, the problem that the check duration of hot water injection in the pipe network is short can be solved.

Description

technical field [0001] The invention relates to the field of a leak detection method for field construction of a pipe network in winter. Background technique [0002] It is very difficult to pressurize and check for leaks in small plastic pipe networks in field construction in winter. The conventional process is to use a high-pressure water pump to connect to the pressure test pipe network to inject water. Whether there are quality problems such as leakage, but this process is prone to freezing of the pipe network when the construction temperature is below zero in winter, resulting in accidents of pipe freezing and cracking, and the loss is great; in order to reduce accidents of pipeline freezing and cracking, the construction personnel on site will After the water is heated, the pipe network is poured to prevent the pipe network from freezing and the pipes from freezing and cracking. However, due to the low field temperature during this process, the temperature of the hot w...

AI Technical Summary

Problems solved by technology

[0002] It is very difficult to pressurize and check for leaks in small plastic pipe networks in field construction in winter. The conventional process is to use a high-pressure water pump to connect to the pressure test pipe network to inject water. Whether there are quality problems such as leakage, but this process is prone to freezing of the pipe network when the construction temperature is below zero in winter, resulting in accidents of pipe freezing and cracking, and the loss is great; in order to reduce accidents of pipeline freezing and cracking, the construction personnel on site will After the water is heated, the pipe network is poured to prevent the pipe network from freezing and the pipes from freezing and cracking. However, due to the low field temperature during this process, the temperature of the hot water poured into the pipe network drops rapidly, which is not enough to support the leak detection work. It has brought great obstacles to the leak detection work of the winter pipe network field construction