Pipe orifice variable plug-in type sampling instrument
A plug-in, sampler technology, applied in the direction of sampling devices, etc., can solve the problems of cumbersome operation, polluted samples, bulky volume, etc., and achieve the effects of improving collection efficiency, slow flow direction change, and stable chemical properties
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[0057] Such as figure 1 As shown, the sampler of the present invention includes a steady flow buffer pipe 9, a pump pipe connection mechanism, a diverter pressure regulating valve, a pressure gauge 7, a sampling hose 1, and a concentric flow regulator.
[0058] The steady flow buffer tube 9 is a cylindrical tube body made of 304 stainless steel with openings at both ends. Its upper port is provided with a convex edge and a pump tube connection mechanism to realize the fixation with the polluted water sample output pump tube. connect. A streamlined water outlet 8 is opened on the pipe wall of the steady flow buffer pipe 9 , and the sampling hose 1 is fixedly connected to the outer port of the streamlined water outlet 8 . The lower port of the steady-flow buffer pipe 9 is provided with a diverter pressure-regulating valve for adjusting the opening of the port of the steady-flow buffer pipe 9 to adjust the water flow pressure of the polluted water sample in the pipe body.
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