Oil-water interface measuring device

A measuring device and oil-water interface technology, which is applied in the direction of measuring device, lubrication indicating device, liquid/fluid solid measurement, etc., can solve the problems of unable to guarantee the normal operation of production and low measurement accuracy of the oil-water interface, so as to achieve easy installation and no electromagnetic interference Interference, low price effect

Inactive Publication Date: 2012-05-09
FEMTO TECH XIAN
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Problems solved by technology

[0003] In order to solve the existing technical problems that the measurement accuracy of the oil-water interface is low and the normal operation of production cannot be guaranteed, the present invention provides an oil-water interface measurement device

Method used

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Embodiment Construction

[0036] As shown in Figure 1, the optical fiber type oil-water interface measurement device uses the principle of Fresnel reflection due to the difference in the refractive index of the surrounding medium of the optical sensing probe 16; the light emitted by the light source 1 is transmitted to the first collimator 3 through the optical fiber 2 Realize the collimation of light, and the collimated light is vertically incident into a pentaprism structure 4, and the light undergoes four Fresnel reflections in the pentaprism structure 4, then exits from the second collimator 5, and is transmitted through the optical fiber 2 Finally, enter the photoelectric detector 7, drive the alarm 8 and the signal lamp to alarm through the photoelectric conversion circuit, so as to realize the detection of the liquid level. When the optical sensing probe is placed in the air, the Fresnel reflection condition is met, there is light output from the second collimator 5, and the system is in a standb...

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Abstract

The invention relates to an oil-water interface measuring device, which comprises an optical sensing probe, a light source, a photoelectric detection device and a warning device, wherein the optical sensing probe comprises a pentaprism structure, an incident end optical fiber, an exit end optical fiber, a first collimator arranged on the incident end optical fiber, and a second collimator arranged on the exit end optical fiber; and the pentaprism structure comprises a closed pentagon surrounded by a first reflection edge, a second reflection edge, a third reflection edge, a fourth reflection edge and a fifth reflection edge, wherein the fifth reflection edge is a horizontal edge. The oil-water interface measuring device solves the technical problems that the accuracy for measurement of the existing oil-water interface is low and the normal operation of production cannot be ensured, the multipoint distribution oil-water interface measurement is realized, and the detection accuracy for the oil-water interface is improved.

Description

technical field [0001] The invention belongs to the field of oil detection, in particular to an oil-water interface measuring device. Background technique [0002] In oil storage tanks, there is usually a certain level of water at the bottom of the tank. To accurately evaluate the amount of oil in the tank, it is necessary to accurately judge the position of the oil-water interface. At present, most of the oil-water interface measurements are made by manual rulers. and analytical methods. This backward detection method has low measurement accuracy and cannot guarantee the normal operation of production, let alone optimize operation, which makes production operation and management decision-making very blind. How to solve the problem of automatic measurement of oil storage tanks is a key technology to improve the automation level of crude oil gathering and transportation. Contents of the invention [0003] In order to solve the existing technical problems of low measuremen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/292
Inventor 米磊张红菊姚胜利刘钊郭鑫李宝奇
Owner FEMTO TECH XIAN
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