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Direct liquid level boundary indicator

A measuring instrument and liquid level technology, which is applied in the field of measuring instruments, can solve the problems of detection components such as pressure deformation, large measurement error, and measurement error, and achieve the effects of controlling oil-water separation, simple structure, and convenient use

Inactive Publication Date: 2011-06-22
TIANJIN XINCHENG INSTR & METER PLANT
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Problems solved by technology

[0002] At present, the traditional liquid level interface measurement method will cause the detection element to be deformed or damaged due to the pressure change, which will cause the volume change of the detection body and cause measurement errors.
Due to the influence of the density and temperature of the medium to be detected, measurement errors often occur, and the method of measuring height by measuring differential pressure will cause large measurement errors due to density changes

Method used

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Embodiment Construction

[0011] refer to figure 1 , The sensor shell (1) is sequentially connected to the interface float (2), the liquid surface float (3), the mounting flange (4), and the transmitter shell (5) to form an integral body. When in use, the sensor housing (1) is connected with a sensor, and the present invention is placed in the mixed liquid of oil (6) and water (7), so that it can be used to measure the interface of oil (6) and water (7).

[0012] 1. Adjust the weight of the interface floating ball (2) so that it can sink into the water (7) liquid, and can float well between the water (7) liquid, so that it can truly reflect the height of the interface. The sensor directly measures the position of the floating ball on the interface, and through the transmission unit, the position signal is converted into a 4-20mADC signal and transmitted to the monitoring and control system.

[0013] 2. Adjust the weight of the liquid surface float (3) so that its upper part can float out of the oil (6...

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Abstract

The invention discloses a direct liquid level boundary indicator, which is mainly formed by sequentially connecting and assembling a sensor casing, a boundary floater, a liquid level floater, a mounting flange and a transmitter casing into a whole. When the direct liquid level boundary indicator is in use, the sensor casing is provided with a sensor through connection, and then the he direct liquid level boundary indicator is put into mixed liquid of oil and water to measure an oil-water boundary.

Description

Technical field [0001] The invention relates to a measuring instrument used in the oil exploitation industry, in particular to a direct liquid level boundary level measuring instrument, which is suitable for measuring the liquid level and boundary level height in a container and obtaining the information to meet the needs of production. Background technique [0002] At present, the traditional liquid level interface measurement method will cause the detection element to be deformed or damaged due to pressure changes, which will cause the volume change of the detection body and cause measurement errors. Due to the influence of the density and temperature of the medium to be detected, measurement errors often occur, and the method of measuring height by measuring differential pressure will cause large measurement errors due to density changes. Contents of the invention [0003] The problem to be solved by the present invention is to overcome the deficiencies of the prior art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F23/64
Inventor 王鹤亭
Owner TIANJIN XINCHENG INSTR & METER PLANT
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