CN102718452B - Super strength silicate cement adhesive and preparation method thereof - Google Patents
Super strength silicate cement adhesive and preparation method thereof Download PDFInfo
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- CN102718452B CN102718452B CN201210216961.7A CN201210216961A CN102718452B CN 102718452 B CN102718452 B CN 102718452B CN 201210216961 A CN201210216961 A CN 201210216961A CN 102718452 B CN102718452 B CN 102718452B
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Abstract
The invention discloses a super strength silicate cement adhesive and a preparation method thereof. The adhesive is mainly prepared from the following raw materials in percentage by weight: 30 to 40 percent of cement, 25 to 43 percent of quartz sand, 9 to 24 percent of micro aggregates, 0.9 to 2 percent of water reducing agent and 11 to 14 percent of water. The preparation method comprises the following steps of firstly, uniformly mixing the cement, the micro aggregates, the water reducing agent and the quartz sand, then continuously stirring for 4 minutes and immediately forming after taking out the mixture; after the obtained product is formed, placing the obtained product into a curing box at the temperature of 35 DEG C to carry out steaming-curing under the humidity of not lower than 95 percent, demoulding after 4 to 12 hours, and placing a demoulding specimen into hot water at the temperature of 45 to 80 DEG C to carry out curing for 48 to 96 hours; and finally, testing the qualification of the product to obtain the cement adhesive. The cement adhesive disclosed by the invention has the excellent performances of excellent compaction, high strength, excellent durability and the like, is suitable for electrotechnical porcelain products such as a high-tonnage suspension type porcelain insulator and the like and has low cost.
Description
Technical field
The present invention relates to a kind of super-strength cement cementing agent that adds micro-aggregate, the present invention relates to specifically to have good density, high strength, weather resistance well waits the high tonnage suspended porcelain insulator insulator silicate cement cementing agent used of premium properties.
Background technology
Domestic each electroceramics factory cement glue used at present, with respect to porcelain piece and metal-ware, its physical strength is much lower, and cement glue comes into one's own day by day, especially for the cement glue of high tonnage suspended porcelain insulator mucilage binding.Patent 200910010971.3 and patent 201110190809.1 are by adding water reducer, adjusting methods such as using cement composition, improve the intensity of cementing agent, but its maximum compressive strength is only 110MPa, obviously can not meet the needs that high tonnage suspended porcelain insulator is produced.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of cement glue with super-strength super-strength silicate for large-scale high tonnage suspended porcelain insulator insulator adhesive binding and preparation method thereof.
Technical scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is as follows: a kind of cement glue of super-strength silicate, mainly made by the raw material of following weight percentage: cement 15-50%, quartz sand 20-40%, micro-aggregate 1-40%, water reducer 1-3%, water 10-30%.
First cement meet the regulation of GB175-1999, and label is not less than 52.5 or the silicate cement of 52.5R.
The granularity of described quartz sand is 80-120 order, meets GB178-1977.
Described micro-aggregate is the mineral crystal material of fine particle size.
The median size of described micro-aggregate requires to be less than 0.01 μ m.
Described micro-aggregate is one or more in silica flour, flyash and slag.The grain graininess of micro-aggregate can not be too large, if the too large density affecting between micro-aggregate and cement of its granularity, and then the cementing agent strength of test block of impact preparation, their specific surface area requires as following table:
Described water reducer is polycarboxylic acids dehydragent, meets JG/T 223-2007.
The preparation method of the cement glue of above-mentioned super-strength silicate, first puddles cement, micro-aggregate, water reducer and quartz sand evenly, and then continues to stir 4 minutes moulding immediately after taking-up; It is steam-cured that moulding is placed on 35 ℃ of maintaining boxes, and humidity is not less than 95%, 4～12 h demouldings, and demoulding examination body is placed at maintenance 48-96h in the hot water of water temperature 45-80 ℃, finally by the cement glue that obtains described super-strength silicate after test passes.
Beneficial effect: compared with prior art, cement glue of the present invention, has good density, high strength, and weather resistance well waits premium properties, the scale insulator suitability for industrialized production that is easy to have high input, the insulator that is specially adapted to high tonnage suspended porcelain insulator porcelain insulator is used.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1: a kind of cement glue of super-strength silicate, this cementing agent raw material composition and weight content proportioning thereof are silicate cement 30.5%, quartz sand 35.2%, silica flour 4.2%, slag 12.7%, flyash 4.2%, water reducer 0.9%, water 12.3%.
Wherein, first cement meet the regulation of GB175-1999, and label is not less than 52.5 or the silicate cement of 52.5R; The granularity of described quartz sand is 80-120 order, meets GB178-1977.Described micro-aggregate is the mixture of silica flour, slag, flyash, and their median size requires to be less than 0.01 μ m.Water reducer is polycarboxylic acids dehydragent, this experiment use be Suzhou City make the country prosperous chemical building material company limited produce polycarboxylate high performance water-reducing agent, model is SUNBO PC-1016, meets JG/T 223-2007.
The preparation method of above-mentioned cementing agent is: first cement, micro-aggregate, water reducer and quartz sand are puddled evenly, and then continued to stir 4 minutes moulding immediately after taking-up; Test specimen after moulding is placed on and in the standard thermostatic constant moisture culturing box that temperature 45 C, humidity are 98%, places the demoulding after 10h, take out test specimen and be placed on temperature at the water bath with thermostatic control maintenance 72h of 65 ℃, finally by the cement glue that obtains described super-strength silicate after test passes.
Embodiment 2: substantially the same manner as Example 1, difference is the proportioning raw materials of cementing agent: silicate cement 31.4%, quartz sand 34.8%, silica flour 4.1%, slag 12.2%, flyash 4.1%, water reducer 0.9%, water 12.5%.
Embodiment 3: substantially the same manner as Example 1, difference is the proportioning raw materials of cementing agent: silicate cement 40.0%, quartz sand 26.8%, silica flour 3.8%, slag 11.6%, flyash 3.8%, water reducer 1.0%, water 13.0%.
Embodiment 4: substantially the same manner as Example 1, difference is raw material composition and the proportioning thereof of cementing agent: silicate cement 34.8%, quartz sand 41.1%, silica flour 4.9%, flyash 4.9%, water reducer 1.0%, water 13.3%.
Embodiment 5: substantially the same manner as Example 1, difference is raw material composition and the proportioning thereof of cementing agent: silicate cement 34.7%, quartz sand 40.0%, silica flour 10.0%, water reducer 2.0%, water 13.3%.
Existing cementing agent raw material composition and proportioning thereof: silicate cement 55.9%, quartz sand 31.3%, water reducer 1.0%, water 11.8%.
Employing is similar to GB/T17671-1999 " Test method for strength of hydraulic cement mortar (ISO) " and tests, and the contrast test data of each embodiment and existing cementing agent are as shown in the table:
| ? | Ultimate compression strength (MPa) | Folding strength (MPa) | Abnormal Stomata diameter (mm) | Low temperature tolerance coefficient |
| Embodiment 1 | 129.6 | 14.8 | 0.5 | 0.99 |
| Embodiment 2 | 133.5 | 15.5 | 0.7 | 0.99 |
| Embodiment 3 | 126.8 | 14.4 | 0.6 | 0.99 |
| Embodiment 4 | 122.4 | 13.9 | 0.5 | 0.99 |
| Embodiment 5 | 125.3 | 14.2 | 0.6 | 0.99 |
| Existing cementing agent | 116.1 | 12.8 | 0.8 | 0.99 |
From upper table, can see, add after fine aggregate, the existing cementing agent of strength ratio of cementing agent prepared by best proportioning improves approximately 15%, test pressure-proof and snap-resistent, Abnormal Stomata diameter and low temperature tolerance coefficient also meet JB 4307-2004-T " requirement of insulator cementing cement glue ", can be used as the production of high-performance cement cementing agent for high tonnage suspended porcelain insulator.
Embodiment 6: substantially the same manner as Example 1, difference is the proportioning raw materials of cementing agent: silicate cement 30%, quartz sand 43%, silica flour 4.5%, slag 3.6%, flyash 5.9%, water reducer 2%, water 11%.
Embodiment 7: substantially the same manner as Example 1, difference is the proportioning raw materials of cementing agent: silicate cement 38%, quartz sand 25%, silica flour 3.5%, slag 10.6%, flyash 6.9%, water reducer 2%, water 14%.
Embodiment 8: substantially the same manner as Example 1, difference is the proportioning raw materials of cementing agent: silicate cement 39%, quartz sand 38%, micro-aggregate 9%, water reducer 1%, water 13%, wherein micro-aggregate is any in silica flour, flyash and slag.
Claims (2)
1. a cement glue for super-strength silicate, is characterized in that: be mainly made up of the raw material of following weight percentage: cement 30-40%, quartz sand 25-43%, micro-aggregate 9-24%, water reducer 0.9-2%, water 11-14%;
The label of described cement is not less than 52.5 or the silicate cement of 52.5R; The granularity of described quartz sand is 80-120 order; Described micro-aggregate is the mineral crystal material of fine particle size; The median size of described micro-aggregate requires to be less than 0.01 μ m; Described micro-aggregate is one or more in silica flour, flyash and slag; Described water reducer is polycarboxylic acids dehydragent; The specific surface area of micro-aggregate requires as follows: slag>=6720cm
2/ g, flyash>=4100cm
2/ g, silica flour>=200,000 cm
2/ g.
2. the preparation method of the cement glue of super-strength silicate according to claim 1, is characterized in that: first cement, micro-aggregate, water reducer and quartz sand are puddled evenly, and then continued to stir 2-8 minute, moulding immediately after taking-up; Moulding is placed on that 20-45 ℃ of protecting box is steam-cured, and humidity is not less than 95%, 4～12h demoulding, and demoulding examination body is placed at maintenance 48-96h in the hot water of water temperature 45-80 ℃, finally by the cement glue that obtains described super-strength silicate after test passes.
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342512A (en) * | 2013-07-05 | 2013-10-09 | 三瑞科技(江西)有限公司 | Cement adhesive and preparation method |
| CN103664110B (en) * | 2013-12-19 | 2016-06-29 | 中国中材国际工程股份有限公司 | A kind of Cement adhesive for insulator |
| CN104072197B (en) * | 2014-06-30 | 2016-05-11 | 江苏南瓷绝缘子股份有限公司 | A kind of maintenance process of insulator water mud adhesive |
| CN104671725B (en) * | 2015-01-19 | 2017-07-11 | 武汉金磊珂建材科技有限公司 | A kind of morning strong insulator cement adhesive |
| CN104891905A (en) * | 2015-06-05 | 2015-09-09 | 武汉理工大学 | Cement base insulator adhesive |
| CN105110725A (en) * | 2015-07-23 | 2015-12-02 | 江苏南瓷绝缘子股份有限公司 | Fluid-type cement adhesive, and preparation method thereof |
| CN107500651A (en) * | 2017-09-01 | 2017-12-22 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of extremely cold type cement glue |
| CN110746147A (en) * | 2019-11-19 | 2020-02-04 | 中材江西电瓷电气有限公司 | High-strength quick-setting cement adhesive and preparation method thereof |
| CN114613559B (en) * | 2022-03-30 | 2024-01-09 | 萍乡华创电气有限公司 | High-strength column insulator and preparation method thereof |
| CN115028408A (en) * | 2022-05-30 | 2022-09-09 | 萍乡百斯特电瓷有限公司 | High-strength cement adhesive for cylindrical head product |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451626A (en) * | 2002-04-17 | 2003-10-29 | 杨果林 | High strength steel fibre concrete and making method thereof |
| CN101844896A (en) * | 2009-03-26 | 2010-09-29 | 大连电瓷集团股份有限公司 | Silicate cement adhesive for high-voltage electrical appliance bushing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451626A (en) * | 2002-04-17 | 2003-10-29 | 杨果林 | High strength steel fibre concrete and making method thereof |
| CN101844896A (en) * | 2009-03-26 | 2010-09-29 | 大连电瓷集团股份有限公司 | Silicate cement adhesive for high-voltage electrical appliance bushing |
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Address after: 212405 Zhenjiang city of Jiangsu province Jurong city edge town sequencemountain Lake Road No. 1 Applicant after: JIANGSU NANCI INSULATORS CO., LTD. Address before: 212405, Jiangsu, Zhenjiang province Jurong town side Nanjing Expressway Crossing 50 meters -2, Jiangsu South porcelain insulator Co., Ltd. Applicant before: Jiangsu Nanci Insulator Co., Ltd. |
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