A piston polymer sampler for polymer injection wells
A piston type, polymer technology, applied in the direction of sampling devices, etc., can solve the problems of affecting the detection accuracy of polymer viscosity, difficult control of sampling operation, inaccurate polymer sampling, etc., to achieve compact structure, small footprint and convenient operation Effect
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[0012] A piston-type polymer sampler for polymer injection wells, as shown in the accompanying drawings, includes a spring cylinder 1, a partition 2 and a sampling cylinder 3, the lower end of the spring cylinder 1 is welded and fixed to the upper end of the partition 2, and the spring The upper end of cylinder 1 is provided with top cover 4 and is threadedly connected with spring cylinder, and spring cylinder 4 is provided with spring 5 and spring cylinder piston 6, and the two ends of spring 5 join with top cover 4 and spring cylinder piston 6 respectively, and spring cylinder A piston ring a7 is arranged between the piston 6 and the spring cylinder 1, a circular hole is provided at the center of the top cover 4, a scale 8 is inserted in the circular hole, and the lower end of the scale 8 is threadedly connected and fixed with the upper surface center screw hole of the spring cylinder piston 6; There are vertical through-holes and double L-shaped through-holes inside the clap...
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