Spiral-flow type electric dehydrator for crude oil

An electric dehydrator and swirling technology, applied in the direction of dehydration/demulsification by electricity/magnetic method, dehydration/demulsification by mechanical method, etc., can solve the problem of heavy maintenance workload, high operating noise and poor dehydration effect of high-speed rotating parts. and other problems, to achieve the effect of long service life, improved efficiency and rapid dehydration

Inactive Publication Date: 2015-04-22
承德石油高等专科学校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent CN 101564605 B applies centrifugal separation technology to electric dehydrator, but there are problems such as high energy consumption, heavy maintenance workload of high-speed rotating parts, high operating noise, and regular sand cleaning.
Patent CN 101638587 B combines cyclone technology and electric dehydration technology, but because there is only one electrode in the electric dehydrator, the dehydration effect is poor

Method used

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  • Spiral-flow type electric dehydrator for crude oil
  • Spiral-flow type electric dehydrator for crude oil
  • Spiral-flow type electric dehydrator for crude oil

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Embodiment Construction

[0022] In order to better understand the present invention, the present invention will be further described below in conjunction with specific examples and accompanying drawings.

[0023] Such as figure 1 , figure 2 , image 3 As shown, a cyclone electric dehydrator for crude oil includes a gas collection chamber 1, an oil collection chamber 2, an oil inlet pipe 3, a cylindrical section 4, an electrode plate 5, an oil overflow pipe 6, a conical section 7, and a water discharge pipe 8. Exhaust pipe 9 and dehydrated oil discharge pipe 10, the exhaust pipe 9, gas collection chamber 1, oil collection chamber 2, cylindrical section 4, conical section 7 and dehydration water discharge pipe 8 are coaxial from top to bottom in sequence line connection;

[0024] The oil inlet pipe 3 communicates with and is tangent to the cylindrical section 4 at the upper end of the cylindrical section 4; the upper end of the cylindrical section 4 is connected to the oil collection chamber 2, and ...

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Abstract

The invention discloses a spiral-flow type electric dehydrator for crude oil. The spiral-flow type electric dehydrator is characterized by comprising an air collection chamber, an oil collection chamber, an oil inlet pipe, a cylindrical section, plate electrodes, an overflow pipe, a conical section, a dehydrated water discharging pipe, an exhaust pipe, a dehydrated oil discharging pipe, wherein the plate electrodes are arranged in a spiral mode along the periphery of the overflow pipe, and every two adjacent plate electrodes are installed in a staggered mode. According to the spiral-flow type electric dehydrator for crude oil, the hydraulic cyclone technique is adopted, crude oil dehydrating efficiency is improved, the size of the dehydrator is reduced, and crude oil dehydrating time is shortened.

Description

Technical field [0001] The invention relates to a crude oil emulsion dehydration method, in particular to a crude oil dehydration device combining cyclone separation and electric dehydration technology. Background technique [0002] Crude oil extracted from oil fields contains a lot of water. In order to meet the water content requirements of exported crude oil, the crude oil produced in oil fields needs to be dehydrated. The free water in crude oil is easily separated from the oil by sedimentation; while the emulsified water in it forms a water-in-oil emulsion with oil, it is difficult to separate by sedimentation, and special dehydration measures must be adopted. The dehydration of crude oil emulsion usually adopts electric dehydrator. [0003] At present, the crude oil electric dehydrator consists of a tank body and electrode plates suspended inside the tank body. The electrode plate generates a high-voltage electric field, and the water droplets in the crude oil emulsi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10G33/02C10G33/06
CPCC10G33/02C10G33/06
Inventor 徐进
Owner 承德石油高等专科学校
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