Mud-sand separation cyclic utilization apparatus

Abstract

The invention relates to the technical field of a sand-water separation apparatus, and particularly relates to a mud-sand separation cyclic utilization apparatus. The mud-sand separation cyclic utilization apparatus comprises a vortex sand washer, a mud-sand separator and a mud-sand settling pond, wherein a first liquid inlet pipe communicated with interior of the vortex sand washer is fixed on the lower part of the vortex sand washer, the first liquid inlet pipe is tangential to the inner wall of the vortex sand washer, and a second liquid inlet pipe is fixed between the vortex sand washer and the mud-sand separator. The mud-sand separation cyclic utilization apparatus is reasonable and compact in structure and convenient to use; the vortex sand washer, the mud-sand separator and the mud-sand settling pond are combined, so that micro sand in the sand-containing sludge can be effectively separated, the mud-sand separation efficiency can be improved, and the recovery rate of the micro sand can be increased; moreover, the recovered micro sand is prevented from being polluted by floating oil, so that the micro sand can be reutilized, the recycling of resource can be realized, and the processing cost of oil field extraction water coagulating sedimentation process can be reduced.

Description

technical field [0001] The invention relates to the technical field of sand-water separation devices, and relates to a mud-sand separation and recycling device. Background technique [0002] Microsand is used in the coagulation and sedimentation process of oilfield produced water. Microsand can be used as a settling aid in the coagulation and sedimentation process of oilfield produced water to increase the coagulation core and specific gravity of flocs, realize rapid sedimentation and separation of mud and water, and clarify water quality. . Because the flocculation method has the advantages of low investment cost, simple equipment and short treatment time, it has been widely used in the coagulation and sedimentation process of oilfield produced water. The sandy sludge (which contains micro-sand) requires supporting facilities (sand-water separation device) to separate mud and sand and recover micro-sand, thus, the recovered micro-sand can be recycled in the flocculation...

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a mud-sand separation and recycling device, which overcomes the deficiencies of the prior art and can effectively solve the problem of the existing sand-water separation device in the actual use process. The problem that the mud-sand separation efficiency is not high and the separated micro-sand cannot be reused

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