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CN-120272237-B - Current collection-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator

CN120272237BCN 120272237 BCN120272237 BCN 120272237BCN-120272237-B

Abstract

The invention discloses a current collection-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator which comprises a hydrocyclone system, a rotating electric field system, a magnetic field system, an electric heating and heat preserving system and a sealing system, wherein oil-water emulsion flows into a cyclone cylindrical section through a cyclone inlet pipeline, discrete phase liquid drops are converged into large liquid drops under the combined action of the rotating electric field and the magnetic field in the cyclone cylindrical section, a swirl field is formed in a cyclone cavity through a swirl guide vane, oil-water separation is realized under the action of the swirl field, and the whole hydrocyclone is wrapped in an electric heating coil and the heat preserving layer, so that the oil-water emulsion is maintained at a certain temperature, and the viscosity of the oil-water emulsion is reduced. The equipment effectively improves the oil-water separation efficiency through the synergistic effect of various fields.

Inventors

  • LI BIN
  • BAI JIN
  • XIANG WEI
  • DOU XIAOHUI

Assignees

  • 江苏大学

Dates

Publication Date
20260512
Application Date
20250610

Claims (8)

  1. 1. A current collecting-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator, comprising: The hydrocyclone system comprises an overflow pipe (100) and a cyclone cavity (110), wherein the overflow pipe (100) comprises an outer overflow pipe (101) and an inner overflow pipe (104) which are coaxially arranged, a cyclone guide vane (103) is arranged on the outer wall of the overflow pipe (100), the cyclone cavity (110) comprises a cyclone cylindrical section (115), a cyclone large conical section (116), a cyclone small conical section (117) and a cyclone bottom flow pipe (118) which are coaxially arranged, the overflow pipe (100) is coaxially arranged in the cyclone cylindrical section (115), the outer overflow pipe (101) extends into the cyclone cylindrical section (115) and is sequentially connected with the cyclone guide vane (103) and the inner overflow pipe (104), and a cyclone inlet pipeline (112) is arranged at the cyclone cylindrical section (115) along the tangential direction; A rotating electric field system is arranged between the overflow pipe (100) and the cyclone cavity (110), the rotating electric field system comprises electrodes (200) and electrode sleeves (210), the electrodes (200) comprise at least 4 electrode columns (204) which are arranged in an array, the electrode columns (204) are arranged in parallel along the axial direction, sinusoidal electric signals with the phase difference of pi/2 are applied to two adjacent electrode columns (204), and a rotating electric field is generated in a flow field in the cyclone cylindrical section (115), and the electrode sleeves (210) comprise at least 4 electrode sleeve columns (212) which are arranged in an array and wrap the electrode columns (204); the cyclone device comprises a cyclone cavity (110), a magnetic field system (300), a direct current power supply or an alternating current power supply, wherein the magnetic field system is arranged outside the cyclone cavity (110) and used for generating a magnetic field, the magnetic field system (300) comprises an electromagnet cavity (301), an electromagnet coil (302), an electromagnet coil rack (303) and an electromagnet iron core (304), the electromagnet iron core (304) is arranged in the electromagnet cavity (301), the electromagnet coil rack (303) is arranged outside the electromagnet iron core (304), and the electromagnet coil (302) is arranged on the electromagnet coil rack (303) and connected with the direct current power supply or the alternating current power supply; An electric heating and heat preserving system is arranged outside the cyclone cavity (110) and is used for applying a heating field so as to maintain the temperature of the internal oil-water emulsion and reduce the viscosity of the oil-water emulsion.
  2. 2. A collector-magnetocaloric multi-field collaborative strengthening hydrocyclone according to claim 1 characterized in that an electrode insulation layer (203) is provided between adjacent electrode columns (204) separating the electrodes (200) into unconnected conductive areas.
  3. 3. A current collecting-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator according to claim 1, characterized in that the electrode leg (204) is fully enclosed wrapped in an electrode leg (212) near the inner rotating vane (103) and the electrode leg (204) is semi-enclosed wrapped in the remaining portion of the electrode leg (212).
  4. 4. A collector-magnetocaloric multi-field co-intensified hydrocyclone separator according to claim 1, characterized in that the overflow pipe (100) and the cyclone chamber (110) are grounded, generating a rotating electric field in the flow field inside the cyclone cylindrical section (115).
  5. 5. The collector-magnetocaloric multi-field collaborative strengthening hydrocyclone separator according to claim 1, wherein the overflow pipe (101), the electrode (200) and the electrode sheath (210) are connected by flanges, and a gasket is arranged between adjacent flanges.
  6. 6. The current collecting-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator according to claim 1, wherein the electric heating and heat preserving system comprises an electric heating coil (400) and a heat preserving layer, the electric heating coil (400) is sequentially wound outside a cyclone inlet pipeline (112), a cyclone cylindrical section (115), a cyclone large cone section (116), a cyclone small cone section (117) and a cyclone underflow pipe (118), and the heat preserving layer is coated outside the electric heating coil (400).
  7. 7. The current collecting-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator according to claim 1, wherein the cyclone vane (103) comprises at least four guide vanes, the blade root of the cyclone vane (103) is connected with the outer wall surface of the overflow pipe of the oil-water cyclone separator, and the blade tip of the cyclone vane (103) is contacted with the inner wall surface of the cylindrical section (115) of the cyclone.
  8. 8. The collector-magnetocaloric multi-field collaborative strengthening hydrocyclone separator according to claim 7, wherein the cyclone guide vane (103) is designed by geometric method, and adopts circular arc orthogonal blades, and the quasi-line is composed of circular arc line and straight line segment, forming tapered flow channel.

Description

Current collection-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator Technical Field The invention relates to the technical field of oil-water separation, in particular to a current collection-magnetic-thermal multi-field collaborative strengthening hydrocyclone separator. Background Crude oil is an important resource and plays an important role in human production and life. With the large-scale exploitation of traditional petroleum, conventional petroleum reserves have been exhausted gradually, and the importance of unconventional petroleum resources has been highlighted. Shale oil in unconventional petroleum has the characteristics of large reserve, wide distribution and the like, and the currently applied nano fluid oil displacement technology has higher recovery ratio, more stable pressure and smaller stratum damage degree, but the dehydration process of the obtained produced liquid is difficult, and the separation efficiency of an oil-water separator of an electric cyclone field, which is currently applied to oil-water emulsion separation, still needs to be improved. Therefore, it is necessary to develop a more efficient oil-water separation device to improve the oil-water separation efficiency. Disclosure of Invention In order to solve the defects in the prior art, the application provides a current collection-magnetic-thermal multi-field collaborative strengthening hydrocyclone, which comprises a hydrocyclone system, a rotating electric field system, a magnetic field system, an electric heating heat preservation system and a sealing system, thereby forming an electromagnetic thermal composite field formed by the rotating electric field, the magnetic field and the thermal field, realizing deep dehydration and effectively improving the oil-water separation speed and the high oil-water separation efficiency. The technical scheme adopted by the invention is as follows: a current collecting-magnetic-thermal multi-field collaborative intensified hydrocyclone separator comprising: A hydrocyclone system comprising an overflow pipe and a cyclone chamber; the overflow pipe comprises an overflow pipe and an inner overflow pipe which are coaxially arranged, wherein the outer wall of the overflow pipe is provided with a cyclone guide vane, the cyclone cavity comprises a cyclone cylindrical section, a large cyclone conical section, a small cyclone conical section and a bottom cyclone flow pipe which are coaxially arranged, the overflow pipe is coaxially arranged in the cyclone cylindrical section, the overflow pipe extends into the cyclone cylindrical section and is sequentially connected with the cyclone guide vane and the inner overflow pipe, and a cyclone inlet pipeline is arranged at the cyclone cylindrical section along the tangential direction; A rotating electric field system is arranged between the overflow pipe and the cyclone cavity and is used for generating a rotating electric field; a magnetic field system is arranged outside the cyclone cavity and used for generating a magnetic field; An electric heating and heat preserving system is arranged outside the cyclone cavity and is used for applying a heating field. Further, an electrode insulating layer is arranged between adjacent electrode columns to separate the electrodes into unconnected conductive areas. Further, the rotating electric field system comprises electrodes and electrode sleeves, wherein the electrodes comprise at least 4 electrode columns which are arranged in an array mode, the electrode columns are arranged in parallel along the axial direction, and the electrode sleeves comprise at least 4 electrode sleeve columns which are arranged in an array mode and wrap the electrode columns. Further, the electrode sleeve column near the swirl guide vane is subjected to full-closed wrapping, and the electrode sleeve column at the rest part is subjected to semi-closed wrapping. Further, two adjacent electrode columns apply sinusoidal electric signals with the phase difference of 2 pi/N, N is the number of the electrode columns arranged in an array, the overflow pipe and the cyclone cavity are grounded, and a rotating electric field is generated in a flow field in the cylindrical section of the cyclone. Further, the overflow pipe, the electrode and the electrode sleeve are connected through flanges, and sealing gaskets are arranged between the adjacent flanges. Further, the magnetic field system comprises an electromagnet cavity, an electromagnet coil rack and an electromagnet iron core, wherein the electromagnet iron core is arranged in the electromagnet cavity, the electromagnet coil rack is arranged outside the electromagnet iron core, the electromagnet coil is arranged on the electromagnet coil rack, and the electromagnet coil is connected with a direct current power supply or an alternating current power supply. Further, the electric heating heat preservation system comprises an electric heating coil and a heat pr