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Method for measuring kinematic viscosity of lubricating oil in pipeline through remote sensing

A technology of kinematic viscosity and lubricating oil, which is applied in the direction of flow characteristics, measuring devices, instruments, etc., can solve the problems of too large volume, the inability to determine the kinematic viscosity value of lubricating oil, and the inconvenience of monitoring the kinematic viscosity of lubricating oil on site, so as to improve efficiency, Improved measurement efficiency and ease of use

Inactive Publication Date: 2016-01-20
CHINA PETROLEUM & CHEM CORP
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  • Abstract
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is that in the prior art, the kinematic viscosity of the lubricating oil is fixed due to the fact that the measuring instrument is too large in size and needs to be sampled before detection, and the workers on site cannot determine the kinematic viscosity of the lubricating oil at this operating temperature. value, it is not convenient to monitor the kinematic viscosity of lubricating oil on site in a timely manner. A new remote sensing method for measuring the kinematic viscosity of lubricating oil in pipelines is provided.

Method used

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  • Method for measuring kinematic viscosity of lubricating oil in pipeline through remote sensing

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Experimental program
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Effect test

Embodiment 1

[0020] Obtain the viscosity-temperature curve equation of the tested oil product "Great Wall TSA32 Turbine Oil" from the supplier:

[0021] y=303.1×0.9163 x +15.95

[0022] Among them, y is the kinematic viscosity value of the oil, mm 2 / s; x is the temperature of the oil product, °C.

[0023] Select the oil brand used by the equipment: Great Wall TSA32 Turbine Oil. Aim the infrared sensor of the device at the pipeline to be tested. There is running TSA32 turbine oil in the pipeline. Since the pipeline is a metal tube, its temperature can be approximately regarded as the oil temperature of the turbine oil. After data processing by the device, it can be obtained: the current temperature is 56°C, and the corresponding kinematic viscosity is 18.22mm 2 / s.

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Abstract

The invention relates to a method for measuring kinematic viscosity of lubricating oil in a pipeline through remote sensing and mainly solves the problem that whether the kinematic viscosity of the lubricating oil meets the requirement cannot be estimated rapidly and remotely in the field in the prior art. According to the technical scheme, the method adopts following steps to solve the problem better: a), a viscosity-temperature curve equation of the to-be-measured lubricating oil is acquired and stored in a data processing module; b), the temperature of the to-be-measured lubricating oil is measured by an infrared sensor; c), the kinematic viscosity of the to-be-measured lubricating oil is obtained according to the temperature and the viscosity-temperature curve equation in the data processing module. The method can be used for estimating the kinematic viscosity of the lubricating oil rapidly and remotely and guiding normal operation and timely maintenance of a machine.

Description

technical field [0001] The invention relates to a method for remotely sensing the kinematic viscosity of lubricating oil in pipelines. Background technique [0002] Kinematic viscosity is the ratio of the dynamic viscosity of the fluid to the density ρ of the fluid at the same temperature. The Kinematic Viscometer is an instrument used to measure the kinematic viscosity of liquid petroleum products (referring to Newtonian liquid). At present, this type of instrument is mostly used for the determination of the kinematic viscosity of lubricating oil. However, this type of instrument is a desktop or cabinet machine, which is bulky, and the instrument needs an oil bath to accurately control the temperature to carry out oil measurement. MiniQV, etc.), but the instrument is still a desktop. In addition, in actual application, what the factory needs to investigate is the viscosity value of the lubricating oil at the current temperature in the machine pipeline. Generally, this te...

Claims

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Application Information

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IPC IPC(8): G01N11/00
Inventor 章仁毅
Owner CHINA PETROLEUM & CHEM CORP
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