An on-line automatic detection device for water content in crude oil

The online automatic crude oil water content detection device uses capacitive grid chip sensing technology to monitor crude oil water content in real time, solving the problem of real-time detection in existing technologies and achieving high-precision and reliable crude oil water content detection.

CN115326890BActive Publication Date: 2026-01-13HEZE MUDAN DISTRICT AOXUAN MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202210635076.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-07
Publication Date
2026-01-13
Estimated Expiration
2042-06-07

AI Technical Summary

Technical Problem

Existing crude oil water content analyzers require sampling and testing, making real-time monitoring impossible. Furthermore, manual sampling is infrequent and susceptible to human error, resulting in poor sample representativeness and leading to disputes over handover and measurement.

Method used

An online automatic detection device for water content in crude oil was designed. It adopts a waveguide choke explosion-proof control box and capacitive grid chip sensing technology. The device monitors water molecules in crude oil in real time through microwave sensors, and uses capacitive grid chip one and capacitive grid chip two to scan the data of crude oil molecules and water molecules. Combined with a dielectric resonant filter and an integrated motherboard, the device performs calculations to achieve real-time detection of water content.

Benefits of technology

It enables real-time monitoring of water content in crude oil, with high detection accuracy, simple structure, safety and reliability, and convenient installation. It eliminates the sampling process, avoids the influence of human factors, and ensures the detection standard.

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Abstract

The present application provides a kind of crude oil water content on-line automatic detection device, including waveguide choke explosion-proof control box, the center between the upper and lower end surface of the explosion-proof control box is provided with a crude oil medium isolation tube, a section of waveguide carrier tube is arranged in the crude oil medium isolation tube, from inside to outside, the waveguide carrier tube is sequentially provided with cylindrical medium substrate layer and medium shielding layer concentric with the guide carrier tube, the medium substrate layer and the medium shielding layer are embedded with capacitance grid piece one, strip line detection sensor and capacitance grid piece two around the guide carrier tube from top to bottom.The crude oil water content on-line automatic detection device is installed on the oil production pipeline, real-time monitoring of the water content information of the crude oil, safe and reliable, easy to install and maintain;Especially the machine uses capacitance grid detection technology, water content detection is not affected by working condition, medium viscosity, pressure and other changes, to ensure the water content detection standard.
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