Interface gauge and interface measurement method

A boundary level gauge and boundary level technology, which is used in measuring devices, liquid/fluid solids measurement, engine lubrication, etc., can solve problems such as inaccurate measurement results, solve inaccurate measurement results, and improve accuracy and reliability. Effect

Active Publication Date: 2018-05-08
PETROCHINA CO LTD
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Problems solved by technology

[0005] The invention provides a boundary gauge and a boundary measurement method to solve the problem of inaccurate measurement results generated when the existing radar boundary gauge measures the boundary of a mixed liquid

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  • Interface gauge and interface measurement method
  • Interface gauge and interface measurement method
  • Interface gauge and interface measurement method

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Embodiment Construction

[0043] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0044] In the field of petrochemical technology, when liquids with different densities are mixed together, stratification will occur. The liquid medium with low density is located in the upper layer, and the liquid medium with high density is located in the lower layer. For example, for the mixed liquid of oil and water, due to the different densi...

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Abstract

The invention provides an interface level meter and an interface level measuring method. The interface level meter is used for measuring the interface level of mixed liquid and comprises a conduit, an ultrasonic wave transceiver and a floater. The ultrasonic wave transceiver is fixedly arranged in the conduit, the floater is located in the conduit, the density of the floater is between the densities of two adjacent layers of media of the to-be-measured mixed liquid, an ultrasonic wave reflecting face is arranged on the side, close to the ultrasonic wave transceiver, of the floater, and the receiving-emitting end of the ultrasonic wave transceiver is towards the floater. According to the interface level meter in the technical scheme, ultrasonic waves emitted by the ultrasonic wave transceiver are returned through the floater located at the interface level position, returned energy is higher, and the position of the interface level can be more accurately reflected; in addition, the wave length of the ultrasonic waves is large, the ultrasonic waves can more easily bypass an interference object and are not prone to being disturbed by impurities in the mixed liquid, a false interface level can be avoided, and interface level measuring accuracy and interface level measuring reliability are improved.

Description

technical field [0001] The invention relates to the technical field of petrochemical industry, in particular to a boundary gauge and a boundary measurement method. Background technique [0002] In the field of petrochemical technology, when liquids with different densities are mixed together, stratification will occur. The liquid medium with low density is located in the upper layer, and the liquid medium with high density is located in the lower layer. If you want to accurately separate the medium from the medium in the mixed liquid, you first need to measure the boundary of the liquid medium at the layered place. The boundary refers to the height (position) of the phase interface of two different liquid media. [0003] At present, the most widely used method is to use the radar boundary gauge to measure the boundary, which is based on the principle of radar time domain reflection. Specifically, the antenna is interspersed in the mixed liquid, and the radar probe is contro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/296
Inventor 张予杰张明亮赵晓东王光辉胡宁平杨涛利唐洪军徐乐乐雷伏涛郭仕为李志刚陈倩如殷志猛张子龙王辉周继兵王景禹苟洋梁挺平瑞铭张永剑李跃龙段华庭付倩
Owner PETROCHINA CO LTD
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