Large-flow high-efficiency coalescence degassing and deoiling device for production sewage of offshore oilfield

Abstract

The invention relates to the technical field of coalescence degassing and oil removal, and particularly discloses a large-flow efficient coalescence degassing and oil removal device for offshore oilfield production sewage. The device comprises a bottom plate, a round box is fixedly installed at the top of the bottom plate through supporting legs, an outflow pipe communicated with the round box is arranged on the outer side of the round box, and a cylinder is rotationally installed in the middle of the top end of the round box. According to the invention, the cylinders can be switched for use, and the coalescence corrugated plate can be flushed during switching, so that the cylinders can be switched for use and the coalescence corrugated plate can be cleaned when coalescence degassing and oil removal are carried out on high-flow sewage, and the situation that too many impurities are attached to the coalescence corrugated plate to influence use is avoided; according to the coalescence corrugated plate, normal use of the coalescence corrugated plate can be guaranteed when large-flow sewage is treated, the water outlet holes can be dredged in the barrel switching process, the situation that impurities in the sewage block the water outlet holes to affect normal water outlet of the coalescence corrugated plate can be avoided, and the coalescence corrugated plate is worthy of application and popularization.

Description

technical field [0001] The invention belongs to the technical field of coalescence degassing and oil removal, in particular to a large-flow high-efficiency coalescence degassing and oil removal device for production sewage in offshore oil fields. Background technique [0002] Coarse granulation (coalescing method) refers to the use of the characteristics of oil and water that are relatively different in the affinity of coalescence materials. When oily wastewater passes through the bed filled with coalescence materials, oil particles are captured by the material and stay on the surface of the material. and inside the pores. As the captured oil particles increase, deformation occurs between the oil particles, which merge and coalesce into larger oil particles. According to Stokes formula, the floating speed of oil particles in water is proportional to the square of the diameter of oil particles, and the larger oil particles after coalescence are easy to be separated from the ...

AI Technical Summary

Problems solved by technology

[0003] The sewage generated in the production process of offshore oil fields needs to be discharged after coalescing, degreasing and pungent odor removal, and a coalescing degassing and deoiling device is required. When the existing coalescing, degassing and degreasing When there is a large flow of sewage, continuous use of the same coalescing degassing and degreasing device will cause a large amount of impurities to adhere to the coalescing corrugated plate inside it, which will affect its use, thereby affecting the use of the entire device, and then affecting the sewage treatment effect

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