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A test method and equipment for detergency of lubricating oil for marine medium-speed engines

A technology of lubricating oil and test method, which is applied in the direction of using material absorption and weighing, can solve the problems of simulating the working environment of marine internal combustion engine, etc., and achieve the effects of short test period, low cost and accurate evaluation results.

Active Publication Date: 2016-08-10
PETROCHINA CO LTD
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  • Description
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Problems solved by technology

[0003] After searching the relevant documents, there are no domestic and foreign literature reports on the detergency test equipment and test methods of marine lubricating oil that simulate the working environment of marine internal combustion engines and highlight the influence of sulfide and soot on the detergency of oil products

Method used

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  • A test method and equipment for detergency of lubricating oil for marine medium-speed engines
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  • A test method and equipment for detergency of lubricating oil for marine medium-speed engines

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0020] As shown in the figure, the test equipment for the cleanliness of lubricating oil for marine medium-speed engines is composed of an oil oxidation container 3, an air supply system, a sealing tester 6, a temperature controller 10, and an oil supply system. The gas supply system includes an oxygen cylinder 16 , a diesel burner 1 and a sulfur dioxide gas cylinder 9 . The oil supply system includes an oil storage bottle 11 , a return metering pump 15 and an input metering pump 4 . The oil oxidation container 3 is made of a stainless steel tube with both ends sealed. A heater 2 is arranged outside the stainless steel tube, and the heating temperature is controlled by a temperature controller 10 . The top of the stainless steel pipe is communicated with the oxygen cylinder 16 , the diesel burner 1 , the soot filter 5 , and the oil storage cylinder 11 through the gas...

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Abstract

The invention relates to a test method and equipment for the detergency of lubricating oil of a marine medium-speed engine; it is to oxidize the test oil with heavy diesel oil at high temperature to form coke at high temperature, and to test the oil film on the test plate during the process of coking at high temperature Blow sulfur dioxide gas, soot and waste gas so that the test oil can quickly form paint film and carbon deposit on the test plate; the test equipment mainly consists of oil oxidation container, gas supply system, sealing tester, temperature controller, oil supply system Composition; Its characteristics are: using the test method and equipment, the simulated test can be equivalent to the actual working condition, truly reflect the detergency of the oil product, the evaluation result is accurate, the test period is short, and the cost is low.

Description

technical field [0001] The invention relates to a method for testing the performance of lubricating oil, in particular to a method and equipment for testing the cleaning performance of lubricating oil for marine medium-speed engines. Background technique [0002] There are many kinds of simulation test methods for detergency of vehicle lubricating oil at home and abroad, such as: plate coke former test method, inclined plate coke former test method, heat pipe test method, turntable test method, etc. These test methods Only by increasing the temperature of the test oil, heating it to form coke, and investigating the coke formation on the plate surface, no waste gas was added. The fuel used in marine internal combustion engines is heavy diesel oil, which contains 2 to 5% of sulfide, and produces SO after combustion. 2 , SO 2 It will adhere to the cylinder wall, deteriorate the quality of the lubricating oil, decrease the base value of the lubricating oil, and accelerate the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N5/02
Inventor 于军张德民张杰冯涛刘建新
Owner PETROCHINA CO LTD
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