Method and device for detecting lubricating oil evaporation loss

A technology of evaporation loss and lubricating oil, which is applied in the direction of material inspection products, etc., can solve the problems of uneven temperature of lubricating oil in evaporative dry pan, troublesome installation of heating body, easy to burn the operator, etc., and achieve good sealing and heat preservation effect and fast heating speed , the effect of uniform temperature

Inactive Publication Date: 2015-04-29
NORTH DALIAN ANALYTICAL INSTR
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

This detection device has disadvantages such as troublesome installation of the heating body, complex operation, easy burns to the operator, uneven temperature of the lubricating oil in the evaporating dry pot, etc.

Method used

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  • Method and device for detecting lubricating oil evaporation loss

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Embodiment Construction

[0015] The present invention is described in further detail below in conjunction with accompanying drawing:

[0016] As shown in the figure, the present invention uses a high-frequency electromagnetic heating cylinder 2, which can quickly heat the test oil sample to the test temperature within a certain period of time, and can maintain the temperature control accuracy of 245.2±0.5°C until the test is completed. After the test, with the aid of the auxiliary cooling system and a good heat dissipation device, the evaporative dry pan 1 can be cooled rapidly, while the high-frequency electromagnetic heating cylinder 2 itself does not generate heat, and can reach or approach room temperature in a short period of time. Prepare for the test. The specific method steps are as follows:

[0017] a. Put the stirring magnetic rod 5 and the weighed test oil sample into the evaporating dry pot 1, add a sealed upper cover 6 to adjust the corresponding vacuum degree, and connect the temperatur...

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Abstract

The invention provides a method and a device for detecting the lubricating oil evaporation loss. A temperature sensor is mounted on an evaporation pot; a high-frequency electromagnetic heating cylinder is arranged outside the evaporation pot; a stirring magnetic rod is mounted inside the evaporation pot; a driving magnetic rod is arranged in a corresponding position outside the bottom of the evaporation pot; the driving magnetic rod is connected with a driving motor. The method and the device have the advantages of simple operation method, high heating speed, uniform temperature, good sealing and heat preservation effect, accurate testing result, and the like.

Description

technical field [0001] The invention relates to a method and device for detecting the evaporation loss of lubricating oil, which can completely replace the existing measuring method and device. Background technique [0002] The evaporation of lubricating oil during use will cause the amount of lubricating oil in the lubricating system to gradually decrease, which will eventually affect the oil supply. Therefore, evaporation loss is a very important indicator in the quality inspection of lubricating oil. Lubricating oil manufacturers and research departments must be equipped with this kind of testing equipment to evaluate the quality of oil products. [0003] At present, the device for detecting the evaporation loss of lubricating oil is: the bottom of the evaporating dry pot is in close contact with the ceramic flat heating body, the side wall of the evaporating dry pot is wrapped with a layer of flexible heating body, and the top of the evaporating dry pot is provided with ...

Claims

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Application Information

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IPC IPC(8): G01N33/30
Inventor刘威许明宇宋吉胜孙培庆
OwnerNORTH DALIAN ANALYTICAL INSTR