2results about How to "Satisfy sampling requirements" patented technology

The present invention provides a multifunctional river water sediment content sampling device, comprising a delivery device and a sampling device, wherein the delivery device is used to provide an initial velocity to the sampling device, the delivery device comprises a recovery rope for pulling the sampling device, the sampling device comprises a sampling cylinder, a counterweight portion is arranged at the front end of the sampling cylinder, a buoyancy portion is arranged at the end of the sampling cylinder, and a sampler is arranged inside the sampling cylinder. The present invention can sample the river water sediment content at the river bank and the area far from the bank, and makes the sampling work less costly and less dangerous.

This utility model relates to the technical field of waste gas sampling devices, specifically, to a sulfur-containing waste gas sampling device. It includes a suction and storage cylinder for suction sampling operations. A threaded tube is fixedly installed at the inlet end of the suction and storage cylinder. A first external connecting pipe is detachably installed at the end of the threaded tube. A second external connecting pipe is detachably installed at the end of the first external connecting pipe. A gooseneck tube is detachably installed at the end of the second external connecting pipe. The suction and storage cylinder includes a cylinder body. The threaded tube is fixedly installed on the cylinder body. A connecting rod is slidably connected inside the cylinder body. A piston located inside the cylinder body and slidably connected to the cylinder body is fixedly installed at the bottom end of the connecting rod. This utility model facilitates sampling operations and improves the convenience and mobility of sampling work.