Capillary viscometer for measuring viscosity of heavy oil

By designing an automated capillary viscometer, the problems of low accuracy in measuring viscosity of heavy oil and complex operation are solved, efficient and accurate viscosity measurement and automated cleaning are achieved, and the stability of heavy oil recovery is improved.

CN222636013UActive Publication Date: 2025-03-18HUNAN JINLI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202420990098.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-18
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

The prior art has problems such as low measurement accuracy, complex operation, low automation and difficulty in cleaning when measuring heavy oil viscosity, resulting in poor measurement timeliness and low recovery.

Method used

A capillary viscometer including a viscometer body, a constant temperature tank and a cleaning device was designed. The temperature control, sample metering and cleaning were used to control the temperature, maintain the height of the liquid column by expanding the part, accurately calculate the kinematic viscosity, and realize automatic detection and automatic cleaning.

Benefits of technology

It improves measurement timeliness and convenience, reduces sample volume and constant temperature time, reduces cleaning liquid consumption, improves measurement accuracy and automation, and enhances the stability of heavy oil recovery.

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Abstract

The utility model relates to a capillary viscometer for measuring viscosity of heavy oil, which comprises a viscometer body, a thermostatic bath and a cleaning device, and the viscometer body comprises a sample inlet, an expansion part, a capillary, an upper liquid bubble and a lower liquid bubble which are sequentially communicated from top to bottom, the upper detector, the middle detector and the lower detector are arranged at the corresponding positions, constant-temperature liquid is arranged in the constant-temperature groove, the viscometer body is arranged in the constant-temperature groove, and the bottom of the viscometer body penetrates through the bottom of the constant-temperature groove; the top of the viscometer body is higher than the constant-temperature liquid level, the expansion part is located below the constant-temperature liquid level, the viscometer body is communicated with a cleaning guide pipe, and cleaning liquid of the cleaning device flows in from the cleaning guide pipe and flows out from the bottom of the capillary tube for cleaning. The device can realize automatic detection and automatic cleaning, realizes trace sample testing, reduces constant temperature and sample falling time, realizes parallel sample testing, increases the testing range, improves the measurement timeliness, and further improves the heavy oil recovery rate.
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