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A low-resistance and high-efficiency oil-water cyclone separation equipment
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A cyclone separation, low resistance and high efficiency technology, applied in separation methods, liquid separation, chemical instruments and methods, etc., can solve the problems of complex structure, low efficiency, high resistance, etc., to improve economic benefits, ensure continuous production, structure compact effect
Active Publication Date: 2022-03-22
CHINA NAT OFFSHORE OIL CORP +1
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[0004] Although the performance of the axial hydrocyclone has been improved to some extent, it still has the disadvantages of low efficiency, high resistance and complex structure.
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[0016] The low-resistance and high-efficiency oil-water cyclone separation equipment of the present invention, its preferred embodiment is:
[0017] It includes a spinner and a separation chamber connected to each other. The middle part of the spinner is provided with a radial liquid inlet, and the tail of the separation chamber is provided with a drain pipe. The spinner includes a blade carrier, and the blade carrier Guide vanes and vortex breaking elements are fixed on the outside;
[0018] An oil discharge pipe is provided at the centerline of the blade carrier for countercurrent oil discharge, and an oil discharge pipe is provided at the centerline of the drain pipe for downstream oil discharge.
[0019] The guide vane includes a drainage section, a swirling section and a flow stabilization section, the drainage section is parallel to the incoming flow direction, the swirling section is arc-shaped or power function curved, and its upstream is tangent to the drainage sectio...
specific Embodiment
[0032] like figure 1 As shown, the embodiment of the present invention provides a low-resistance high-efficiency oil-water separator, which is composed of a radial liquid inlet 1 , a spinner 3 , a separation chamber 4 , a drain pipe 5 and an oil drain pipe 2 .
[0033] Wherein, the radial liquid inlet 1, the spinner 3, the separation chamber 4 and the drain pipe 5 can be connected sequentially by flanges or welding, and each part is in a tubular structure as a whole after being connected.
[0034] The above-mentioned radial liquid inlet 1 is provided with threads or flanges connected with the casing partition, and the drain pipe 5 is interference-connected with the casing partition through a sealing ring.
[0035] like figure 2 As shown, the above-mentioned spinner 3 is composed of a guide vane 6, a vortex breaking element 7, a blade carrier 8 and a thread head 9; the guide vane 6 and the blade carrier 8 of the spinner are in an interference fit.
[0036] like figure 2 As...
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Abstract
The invention discloses a low-resistance and high-efficiency oil-water cyclone separation device, which comprises a spinner and a separation chamber connected to each other. The middle part of the spinner is provided with a radial liquid inlet, and the tail of the separation chamber is provided with a drain pipe. The device includes a blade carrier, and guide vanes and vortex breaking elements are fixed on the outside of the blade carrier; an oil discharge pipe is provided at the centerline of the blade carrier for countercurrent oil discharge, and an oil discharge pipe is provided at the centerline of the drain pipe for downstream oil discharge. The guide vane includes a drainage section, a swirl section and a flow stabilization section. The vane carrier includes two parts: a cylinder and a cone. The flow space formed by the outer tube and the vane carrier includes an equal-diameter area for swirl creation and a tapered area for stable swirl flow. . It is more efficient, low resistance, and compact in structure, which can save the production cost of offshore oilfields, ensure continuous production of oilfields, and improve economic benefits in the middle and late stages of oilfield development.
Description
technical field [0001] The invention relates to a fluid separation technology, in particular to a low-resistance and high-efficiency oil-water cyclone separation device. Background technique [0002] As the oilfield enters the middle and late stages of production, the water content in the oil well output fluid is increasing, which brings greater pressure to the subsequent oil and gas gathering and transportation process. The traditional container-type gravity separation technology has low separation efficiency and high investment costs. The reason is relatively limited; in addition, with the vigorous development of offshore oil and gas resources, limited by the deck space and load capacity of offshore platforms, traditional treatment methods and container-type gravity separation equipment are difficult to meet the requirements of compact and efficient design and construction, so the research and development structure The compact and efficient pre-dehydration technology of oi...
Claims
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