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Test method for evaluation of antirust oil dewatering performance

A technology of dehydration performance and testing method, which is applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve the problems that the dehydration performance of anti-rust oil cannot be measured quickly, accurately and quantitatively, and achieve good technical effects

Active Publication Date: 2012-10-31
CHINA PETROLEUM & CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is that the prior art cannot quickly, accurately and quantitatively measure the dehydration performance of anti-rust oil, and provide a new test method for evaluating the dehydration performance of anti-rust oil

Method used

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  • Test method for evaluation of antirust oil dewatering performance
  • Test method for evaluation of antirust oil dewatering performance
  • Test method for evaluation of antirust oil dewatering performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～8

[0029] Wrap the metal adsorption material in the filter membrane to obtain a metal purse. After fully soaking the metal purse in water for 60 seconds, drain it for 30 seconds. The drained metal purse is immersed in 400 grams of anti-rust oil to be tested and suspended in the anti-rust oil to be tested. Start timing when the metal purse is completely immersed in the anti-rust oil to be tested, and record the dehydration time and amount. The details of each metal purse are shown in Table 1, and the test results are shown in Table 2.

[0030]

[0031] Table 2

[0032]

[0033] It can be seen that the method of the present invention can simply and quickly qualitatively understand the water molecule displacement performance of the anti-rust oil on the surface of various metal materials according to the length of time for the first drop to drop.

Embodiment 9

[0035] The metal purse in [Example 8] was used to test the dehydration performance of different types and brands of dehydration antirust oils A, B, C, D, E and F on the market. The test results are shown in Table 3.

[0036] table 3

[0037]

[0038] According to the effect of on-site industrial application, the order of the dehydration performance of the six dehydration antirust oils is as follows: C>E>D>F>B>A. The method of the present invention is used to test the dehydration performance of each dehydration antirust oil, and the obtained dehydration performance sequence is also: C>E>D>F>B>A, which is consistent with the actual use effect. It can be seen that the method of the present invention can not only qualitatively understand the dehydration performance of the dehydrated antirust oil simply and quickly, but also accurately and quantitatively evaluate the dehydration performance of the dehydrated antirust oil according to the amount of dehydration. In addition, it is worth...

Embodiment 10

[0040] After fully soaking and adsorbing the metal wallet of [Example 1] in water for 120 seconds, drain it for 40 seconds. The drained metal purse is immersed in 150 grams of dehydrated rust preventive oil to be tested and suspended in the dehydrated rust preventive oil to be tested. Start counting the moment when the metal purse is completely immersed in the dehydrated anti-rust oil to be tested, and record the dehydration time and amount. Test the dehydration performance of different types and brands of dehydrated anti-rust oils A, B, C, D, E, F and G and a non-dehydrated anti-rust oil on the market. The test results are shown in Table 4.

[0041] Table 4

[0042]

[0043] Note: The dehydration antirust oil A, B, C, D, E, F here are the same as the dehydration antirust oil used in [Example 9]

[0044] According to the effect of actual use, the dehydration performance of seven kinds of dehydrated anti-rust oil and one non-dehydrated anti-rust oil are ranked as follows: C>E>G>D>F...

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Abstract

The invention relates to a test method for evaluation of antirust oil dewatering performance and mainly solves the problem that antirust oil dewatering performance cannot be tested quickly, accurately and quantitatively by the prior art. The test method includes: a), covering a metal adsorbing material by at least one filter membrane to form a metal pouch; b) infiltrating and adsorbing the metal pouch in a water-bearing medium sufficiently and then draining the metal pouch; c), soaking the dried metal pouch into antirust oil to be tested and enabling the same to suspend in the antitrust oil to be tested; d) starting to time at the moment that the metal pouch completely soaks in the antirust oil to be tested and finally elevating dewatering performance of the antirust oil to be tested according to the time for removing a first water drop and dewatering quantity within a unit time. The test method can be used for formula research and quality test of antirust oil.

Description

Technical field [0001] The invention relates to a test method for evaluating the dehydration performance of rust preventive oil. Background technique [0002] The machining industry uses cutting fluids, cleaning agents and other aqueous media in the process of mechanical manufacturing and maintenance. These processes make the processed parts inevitably exposed to water or cutting fluids. In addition, the processed parts need to be cleaned with cleaning agents to clean the stains on the processed surface. Therefore, after the parts are exposed to water or water-containing media, the grooves, grooves, seams, holes, joint surfaces, hand contact surfaces, and parking The surface or the rough surface of the product (especially the surface of the cast iron has more pores), it is easy to have a small amount of water. After the anti-rust oil is applied, this part of the water is covered by the anti-rust oil, which will inevitably cause the parts to rust. [0003] Dewatering anti-rust oil ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/00
Inventor 张志东傅树琴邓象贤王靖宇严丽珍黄劲松
Owner CHINA PETROLEUM & CHEM CORP