Nozzle variable diameter plug-in sampler
A plug-in, sampler technology, applied in the direction of sampling devices, etc., can solve the problems of cumbersome operation, polluted samples, and long time consumption, and achieve the effects of improving collection efficiency, slow change of flow direction, and avoiding artificial pollution
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[0059] Such as figure 1 As shown, the sampler of the present invention includes a steady flow buffer tube 9, a pump tube connection mechanism, a diverter pressure regulating valve, a pressure gauge 7, an arc-shaped sampling core tube 22, a sampling hose 1, and a concentric flow regulator.
[0060] The steady-flow buffer tube 9 is a cylindrical tube body made of 304 stainless steel with openings at both ends. The upper port of the tube body is provided with a convex edge and a pump tube connection mechanism to realize the output of the pump tube with the polluted water sample. The lower end of the steady flow buffer pipe 9 is provided with a downwardly extending bottleneck, and a shunt pressure regulating valve is arranged in the bottleneck to adjust the water flow pressure of the polluted water sample in the pipe body by adjusting the opening. A pressure gauge 7 is installed on the pipe wall of the steady-flow buffer pipe 9 for detecting the water flow pressure of the polluted...
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