Tank bottom sediment cartridge sampler

Abstract

The utility model discloses a tank bottom sediment cartridge sampler. The sampler is used for sampling sediments at the bottom of storage tanks for dirty oil, sewage and the like. The sampler comprises an inserting cylinder which is a round cylinder, a plunger seat, a lock pin, a compression spring, a clamping ring and a long rod; a circular overflow port and a long-strip limiting port are formedin the upper part of the inserting cylinder; the plunger seat is a stepped cylinder and is vertically mounted in an inner hole in the upper part of the inserting cylinder; the lock pin is a pair of small stepped cylinders and is horizontally mounted in the pin hole of the plunger seat; the compression spring is used for jacking the lock pin; the clamping ring is used for blocking the lock pin andthe spring in the pin hole of the plunger seat; the inner hole of the snap ring is in clearance fit with the lock pin small head, and the outer diameter of the snap ring is in interference fit with the pin hole of the plunger seat; the lock pin, the clamping ring and the spring form the limiting mechanism of the plunger seat in the inserting cylinder; the lower part of the long rod is provided with an external thread and is arranged in the upper threaded hole of the plunger seat; and the long rod is used for downwards inserting the inserting cylinder into tank bottom sediments. The sampler issimple in structure, and sediments can be conveniently taken out of the sampler after sampling.

Description

technical field [0001] The invention relates to a device for sampling sediments at the bottom of storage tanks such as dirty oil and sewage. Background technique [0002] The long-term storage medium of oil, sewage and other storage tanks will gradually form sediments such as silt at the bottom of the tank. Regular sampling of the sediments at the bottom of the tank is required to test its components and physical properties in order to take dredging measures. At present, the samplers for storage tanks mainly use the principle of self-priming, which can easily extract liquid samples in the tank, but it is difficult to sample sediments such as silt at the bottom of the tank with poor fluidity or even close to semi-dry state. Contents of the invention [0003] In order to solve the technical problems mentioned in the background technology, the present invention provides a tank bottom sediment insert tube sampler, which can realize the sampling of the tank bottom sediment, and...

AI Technical Summary

Problems solved by technology

At present, the samplers used in storage tanks mainly use the principle of self-priming, which can easily extract liquid samples in the tank, but it is difficult to sample sediments such as silt at the bottom of the tank with poor fluidity or even close to semi-dry state

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