RU2180272C1 - Hydraulic cyclone - Google Patents

Abstract

FIELD: oil and gas producing industry. SUBSTANCE: invention is designed for separation of liquid-gas systems and liquid-mechanical impurities systems. Proposed hydraulic cyclone has housing with tangential inlet, drain branch pipe to let out light product and discharge union to let out heavy product. Drain branch pipe of hydraulic cyclone has different-porosite filtering element whose outer surface is provided with solid fluffy cylindrical surface formed by needle elements. EFFECT: provision of high efficiency of operation owing to deep separation. 2 dwg

Description

 The invention relates to devices for separating liquid-gas systems, mechanical impurities-gas, liquid-mechanical impurities and can be used in oil and gas and other industries for the degassing and stabilization of oil, gas, oil products in gas-containing liquids.

 Hydrocyclones are known, the separation ability of which was studied with various drain pipes both in diameter and configuration / cm. Mustafaev A.M., Gutman B.N. Theory to the calculation of a hydrocyclone. Baku, Maarif, 1969, p. 42 /. In this case, the optimal diameters in the design of the tips of the drain pipes for separating suspensions were selected. The efficiency of the separation of gas-containing wastewater by similar geometric parameters was investigated / cm. The study of the influence of geometric and technological parameters on the efficiency of the hydrocyclone. Akhsanov P.P., Nedelkin A.V., Murov V.M., RNTS Machines and oil equipment, VNMOENG, M .: 1978 - 2. - P.13-16 /. The results of these studies show that the indicated designs of the nozzles of the drain pipes are far from perfect for the processes of degassing gas-containing liquids in a hydrocyclone.

 The disadvantage is the known design does not allow to achieve a better separation of the mixture of heavy and light products.

 The closest technical solution to the proposed invention is a hydrocyclone / cm. Patent 2097142, MKI B 04 C 5/12, 1997, Bull. 33 /, comprising a housing, a nozzle for a drain pipe with a reflective surface, the generatrix of which is a broken line with an increasing angle of inclination to the axis of rotation of the flow, and the inlet portion of the inner surface of the tip is made of a toroidal shape.

 The disadvantage is that a deeper separation of the mixture of heavy and light products and the quality of the phases to be separated are not achieved.

 The purpose of the invention is to increase the efficiency of the hydrocyclone by a deeper separation of the mixture of heavy and light products by increasing the contact surface of the filter element.

 This goal is achieved by the fact that the drain pipe of the hydrocyclone is equipped with a filter element of different porosity, the outer surface of which is provided with a continuous fleecy cylindrical surface formed by needle elements.

 Figure 1 shows a General view of a hydrocyclone; figure 2 - filter element with needle elements.

 The hydrocyclone contains a discharge nozzle 1, a housing with a conical 2 and a cylindrical 3 parts, a nozzle 4 of the tangential input of the product, a drain pipe 5, a filter element of different porosity 6 with needle elements 7.

 The device operates as follows.

 Oil production after preliminary selection of gases enters through a tangential inlet 4 into the cylindrical part 3 of the hydrocyclone. The flow receives intensive rotational motion, in which heavy particles are discarded to the periphery by the action of centrifugal forces to the wall of the apparatus, and the light phase is concentrated in the center of rotation of the flow. And due to the reverse fluid flow, the light phase enters through the filter 6 of different porosity into the drain pipe 5 and then to the gas treatment unit. For high-quality separation of heavy particles, the filter 6 is made with needle elements 7, which allow, by increasing the contact area, the most efficient separation of heavy particles. The latter coagulate, reach a critical mass value and, under the action of centrifugal forces, break down, are discarded to the conical wall 2 of the apparatus and are discharged through the discharge nozzle 1.

 Using the present invention will most effectively carry out the process of separation of heavy particles from the product.

Claims (1)

 A hydrocyclone containing a tangential inlet, a drain pipe for outputting a light product and a discharge nozzle for outputting a heavy product, characterized in that the drain pipe of a hydrocyclone is equipped with a filter element of different porosity, the outer surface of which is provided with a continuous fleecy cylindrical surface formed by needle elements.

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