CN108132307B - Industrial coupling agent for rail flaw detection and preparation method thereof - Google Patents
Industrial coupling agent for rail flaw detection and preparation method thereof Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 239000007822 coupling agent Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title abstract description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 42
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 25
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000049 pigment Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000013556 antirust agent Substances 0.000 claims 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 9
- 235000011187 glycerol Nutrition 0.000 abstract description 8
- 239000003112 inhibitor Substances 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229940127554 medical product Drugs 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/28—Details, e.g. general constructional or apparatus details providing acoustic coupling, e.g. water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/262—Linear objects
- G01N2291/2623—Rails; Railroads
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
本发明公开了一种钢轨探伤工业耦合剂，其按重量份计，包括以下组分：乙二醇40‑60份；水40‑50份；甘油3‑8份；防锈剂1‑2份，本发明中的钢轨探伤工业耦合剂还包括三羟甲基丙烷，基于所述钢轨探伤工业耦合剂的总重量，所述三羟甲基丙烷的重量含量为0.5wt%‑3wt%。本发明还公开了上述钢轨探伤工业耦合剂的制备方法，该钢轨探伤工业耦合剂具有优异的透声效果、防锈防腐蚀性能和耐低温性能，具有广阔的应用前景。The invention discloses an industrial coupling agent for rail flaw detection, which comprises the following components in parts by weight: 40-60 parts of ethylene glycol; 40-50 parts of water; 3-8 parts of glycerin; and 1-2 parts of a rust inhibitor , the industrial couplant for rail flaw detection in the present invention also includes trimethylolpropane, and based on the total weight of the industrial couplant for rail flaw detection, the weight content of the trimethylolpropane is 0.5wt%-3wt%. The invention also discloses a preparation method of the above-mentioned industrial coupling agent for flaw detection of rails.
Description
技术领域technical field
本发明涉及一种工业耦合剂，特别涉及一种钢轨探伤工业耦合剂及其制备方法。The invention relates to an industrial coupling agent, in particular to an industrial coupling agent for rail flaw detection and a preparation method thereof.
背景技术Background technique
超声波检测设备是采用最新的高性能、低功耗微处理器技术，基于超声波脉冲反射原理，可以测量金属及其它多种材料的厚度，还可以对材料的声速进行测量。当探头发射的超声波脉冲穿过耦合剂达到钢轨时，脉冲被反射回探头通过精确测量超声波在耦合剂中传播的时间来确定被测钢轨是否完好无损。Ultrasonic testing equipment adopts the latest high-performance, low-power microprocessor technology. Based on the principle of ultrasonic pulse reflection, it can measure the thickness of metals and other materials, and can also measure the sound speed of materials. When the ultrasonic pulses emitted by the probe travel through the couplant to the rail, the pulses are reflected back to the probe to determine whether the rail under test is intact by precisely measuring the time the ultrasonic waves travel through the couplant.
耦合剂分为两种，分别为医用耦合剂和工业耦合剂。医用耦合剂是一种由新一代水性高分子凝胶组成的医用产品，工业耦合剂是用来排除探头和被测物体之间的空气，使超声波能有效地穿入工件达到检测目的的产品。目前，多数工业耦合剂主要是以机油、变压器油、润滑脂、甘油、水玻璃或工业胶水、化学浆糊等形式存在，由于钢轨探测仪行驶速度较快，若采用上述工业耦合剂具有缺点如下：透声效果不好，超声波较难穿入工件；低温下有大量固体析出，极大影响了钢轨状况的准确探测。There are two types of couplants, medical couplants and industrial couplants. Medical couplant is a medical product composed of a new generation of water-based polymer gel. Industrial couplant is used to remove the air between the probe and the object to be measured, so that ultrasonic waves can effectively penetrate the workpiece to achieve the purpose of detection. At present, most industrial couplants mainly exist in the form of engine oil, transformer oil, grease, glycerin, water glass or industrial glue, chemical paste, etc. Due to the fast running speed of the rail detector, if the above industrial couplants are used, the disadvantages are as follows : The sound transmission effect is not good, and it is difficult for ultrasonic waves to penetrate the workpiece; a large amount of solid precipitates at low temperature, which greatly affects the accurate detection of rail conditions.
发明内容SUMMARY OF THE INVENTION
本发明的首要目的在于提供一种具有优异的透声效果和耐低温性能的钢轨探伤工业耦合剂。The primary purpose of the present invention is to provide an industrial coupling agent for rail flaw detection with excellent sound transmission effect and low temperature resistance.
本发明的另一目的在于提供上述钢轨探伤工业耦合剂的制备方法。Another object of the present invention is to provide a method for preparing the above-mentioned industrial coupling agent for rail flaw detection.
为了解决上述问题，采用以下技术方案。In order to solve the above problems, the following technical solutions are adopted.
一种钢轨探伤工业耦合剂，按重量份计，包括以下组分：An industrial coupling agent for rail flaw detection, in parts by weight, comprising the following components:
乙二醇 40-60份；Ethylene glycol 40-60 copies;
水 40-50份；40-50 parts of water;
甘油 3-8份；3-8 parts of glycerin;
防锈剂 1-2份。Rust inhibitor 1-2 parts.
优选地，上述钢轨探伤工业耦合剂包括以下组分：Preferably, the above-mentioned industrial coupling agent for rail flaw detection includes the following components:
乙二醇 50份；50 parts of ethylene glycol;
水 43份；43 parts of water;
甘油 5份；5 parts of glycerin;
防锈剂 2份。Rust inhibitor 2 parts.
更优选地，上述钢轨探伤工业耦合剂还包括三羟甲基丙烷，基于所述钢轨探伤工业耦合剂的总重量，所述三羟甲基丙烷的重量含量为0.5wt%-3wt%，在该重量含量范围内，本发明中钢轨探伤工业耦合剂的透声效果够得到显著的提高。More preferably, the above-mentioned industrial couplant for rail flaw detection further includes trimethylolpropane, and based on the total weight of the industrial couplant for rail flaw detection, the weight content of the trimethylolpropane is 0.5wt%-3wt%, in this Within the weight content range, the sound transmission effect of the industrial coupling agent for rail flaw detection in the present invention can be significantly improved.
最为优选地，所述三羟甲基丙烷的重量含量为1wt%-2wt%。Most preferably, the weight content of the trimethylolpropane is 1wt%-2wt%.
其中，所述防锈剂选自三乙醇胺或吗啉中的一种或两种的混合物。Wherein, the rust inhibitor is selected from one or a mixture of triethanolamine or morpholine.
本发明中的钢轨探伤工业耦合剂还可添加0.01-0.05份颜料。The industrial coupling agent for rail flaw detection in the present invention can also add 0.01-0.05 parts of pigment.
制备上述钢轨探伤工业耦合剂的方法，包括以下步骤：The method for preparing the above-mentioned industrial coupling agent for rail flaw detection includes the following steps:
步骤一，取水加入反应釜中，然后一边搅拌，一边加入乙二醇，待乙二醇全部溶解后继续搅拌15min；Step 1, add water into the reaction kettle, then add ethylene glycol while stirring, and continue stirring for 15min after the ethylene glycol is completely dissolved;
步骤二，将三羟甲基丙烷、甘油、防锈剂依次加入反应釜中，搅拌混合均匀。Step 2, add trimethylolpropane, glycerin, and rust inhibitor into the reaction kettle in turn, stir and mix evenly.
如需在本发明中的钢轨探伤工业耦合剂加入0.01-0.05份颜料以调色，则只需在步骤二之后将颜料加入反应釜，搅拌30min即得。If it is necessary to add 0.01-0.05 part of pigment to the industrial coupling agent for rail flaw detection in the present invention for color matching, it is only necessary to add the pigment to the reaction kettle after step 2 and stir for 30 minutes.
和现有技术相比，本发明具有以下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
本发明通过将特定含量的乙二醇、水、甘油和防锈剂混合，制备得到的钢轨探伤工业耦合剂具有优异的透声效果和耐低温性能，同时还可兼具优异的防锈防腐蚀性能，具有广阔的应用前景。By mixing specific contents of ethylene glycol, water, glycerin and rust inhibitor, the prepared industrial coupling agent for rail flaw detection has excellent sound transmission effect and low temperature resistance performance, and also has excellent rust and corrosion resistance. performance and has broad application prospects.
具体实施方式Detailed ways
下面给出实施例以对本发明进行具体的描述，有必要在此指出的是以下实施例只用于对本发明进行进一步说明，不能理解为对本发明保护范围的限制，该领域的普通技术人员根据该实施例对本发明所做出的一些非本质的改进或调整仍属于本发明的保护范围。The following examples are given to specifically describe the present invention. It is necessary to point out that the following examples are only used to further illustrate the present invention, and should not be construed as limiting the protection scope of the present invention. Some non-essential improvements or adjustments made to the present invention by the embodiments still belong to the protection scope of the present invention.
实施例1-4钢轨探伤工业耦合剂的制备：Embodiment 1-4 Preparation of industrial coupling agent for rail flaw detection:
按表1配方，取水加入反应釜中，然后一边搅拌，一边加入乙二醇，待乙二醇全部溶解后继续搅拌15min；将甘油、防锈剂依次加入反应釜中，搅拌混合均匀；将颜料加入反应釜，搅拌30min即得钢轨探伤工业耦合剂。According to the formula in Table 1, add water into the reaction kettle, then add ethylene glycol while stirring, continue stirring for 15 minutes after the ethylene glycol is completely dissolved; add glycerin and rust inhibitor to the reaction kettle in turn, stir and mix evenly; Add the reaction kettle and stir for 30 minutes to obtain the industrial coupling agent for rail flaw detection.
实施例5-12钢轨探伤工业耦合剂的制备：Embodiment 5-12 Preparation of industrial coupling agent for rail flaw detection:
按表1配方，取水加入反应釜中，然后一边搅拌，一边加入乙二醇，待乙二醇全部溶解后继续搅拌15min；将三羟甲基丙烷、甘油、防锈剂依次加入反应釜中，搅拌混合均匀；将颜料加入反应釜，搅拌30min即得钢轨探伤工业耦合剂。According to the formula in Table 1, take water and add it to the reaction kettle, then add ethylene glycol while stirring, and continue stirring for 15min after the ethylene glycol is completely dissolved; Trimethylolpropane, glycerin, and rust inhibitor are added to the reaction kettle in turn, Stir and mix evenly; add the pigment to the reaction kettle and stir for 30 minutes to obtain the industrial coupling agent for rail flaw detection.
性能数据测试方法Performance Data Test Methods
将制备得到的钢轨探伤工业耦合剂分成三份。The prepared industrial coupling agent for rail flaw detection was divided into three parts.
声速测试：用声波检测仪测试声音在第一份钢轨探伤工业耦合剂中的传播速度；Sound speed test: use a sound wave detector to test the propagation speed of sound in the first industrial couplant for rail flaw detection;
冷冻实验：将第二份钢轨探伤工业耦合剂置于温度设置为-25℃的高低温试验箱中，2h之后观察有无固体物质析出；Freezing experiment: put the second industrial couplant for rail flaw detection in a high and low temperature test chamber with a temperature of -25 °C, and observe whether there is solid matter precipitation after 2 hours;
防腐蚀性能测试：向第三份钢轨探伤工业耦合剂中放入打磨干净的铜片和钢片，然后放置于40℃的恒温烘箱内，七天之后观察实验现象。Anti-corrosion performance test: Put polished copper and steel sheets into the third industrial couplant for rail flaw detection, and then place them in a constant temperature oven at 40°C, and observe the experimental phenomenon after seven days.
上述三种试验的具体测试结果见下表2所示。The specific test results of the above three tests are shown in Table 2 below.
由表1可知，实施例1-12中的钢轨探伤工业耦合剂在-25℃的低温条件下无固体析出，声音在该耦合剂中的传播速度可达到1680 m/s以上，即本发明中的钢轨探伤工业耦合剂具有优异的透声效果和耐低温性能，另外，其还具有能兼具优异的防腐蚀性能。It can be seen from Table 1 that the industrial couplant for rail flaw detection in Examples 1-12 has no solid precipitation under the low temperature condition of -25°C, and the propagation speed of sound in the couplant can reach more than 1680 m/s, that is, in the present invention. The industrial couplant for rail flaw detection has excellent sound transmission effect and low temperature resistance performance. In addition, it also has excellent anti-corrosion performance.
由表1中的实施例5-10还可以看出，本发明通过向钢轨探伤工业耦合剂中加入三羟甲基丙烷，并将其重量含量控制0.5wt%-3wt%，最终制备得到的钢轨探伤工业耦合剂的透声效果相对于其他实施例得到了显著的提高。It can also be seen from Examples 5-10 in Table 1 that in the present invention, by adding trimethylolpropane to the industrial coupling agent for rail flaw detection, and controlling its weight content to 0.5wt%-3wt%, the finally prepared rail is obtained. Compared with other embodiments, the sound transmission effect of the flaw detection industrial couplant is significantly improved.
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| CN112834615A (en) * | 2020-12-31 | 2021-05-25 | 山东医学高等专科学校 | Ultrasonic coupling agent for railway steel rail flaw detection and preparation method thereof |
| CN112798692A (en) * | 2020-12-31 | 2021-05-14 | 山东医学高等专科学校 | Ultrasonic coupling agent for flaw detection of railway steel rail joint and train wheel hub and preparation method thereof |
| CN114518095A (en) * | 2021-12-28 | 2022-05-20 | 湖北三江航天红峰控制有限公司 | Rock-soil mass deep displacement monitoring method |
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