CN104072197A - Method for curing insulator cement adhesive - Google Patents
Method for curing insulator cement adhesive Download PDFInfo
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- CN104072197A CN104072197A CN201410305807.6A CN201410305807A CN104072197A CN 104072197 A CN104072197 A CN 104072197A CN 201410305807 A CN201410305807 A CN 201410305807A CN 104072197 A CN104072197 A CN 104072197A
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- sizing agent
- insulator
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- water mud
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Abstract
The invention discloses a method for curing an insulator cement adhesive. The method is mainly characterized in that curing is finally completed by controlling the temperature to be 44-46 DEG C, the relative humidity to be more than or equal to 75% and the curing time to be less than or equal to 60 hours. Compared with the prior art, the method disclosed by the invention has the advantages that the strength and durability of the insulator cement adhesive can be stably improved, the curing time can be shortened, the yield can be improved, and the humidity of the insulator cement adhesive is ensured. Meanwhile, the method meets the requirements for energy conservation and environmental friendliness.
Description
Technical field
The present invention relates to a kind of maintenance process of insulator water mud sizing agent, be specifically related to a kind of " hydrothermal curing " method of insulator water mud sizing agent.
Background technology
In electroceramics manufacturing, the maintenance of Electroceramic glue mounting product is generally divided into three kinds of natural curings, vapor cure, warm water maintenance now, and three kinds of methods have certain defect.
" natural curing " curing cycle is long, floor space is large, and after mucilage binding, the cement sizing agent of insulator has the highest intensity and best weather resistance.
After " vapor cure " mucilage binding, the later strength development of cement sizing agent of insulator is subject to the impact of unfavorable factor, makes later stage (finally) strength degradation.As chemistry reduction, moisture expansion and arid shrinkage rate, the increases such as rate of expanding with heat and contract with cold, the tiny crack of intensity of sizing agent of may exerting an influence under larger internal stress increases, even there is cracking phenomena, impervious, frost resistance and anti-erosion medium resistance ability be variation thereupon also, and too high curing temperature directly has influence on the visual appearance of annex zinc coating in addition.
After " warm water maintenance " mucilage binding, cement sizing agent largest benefit of maintenance in warm water of insulator is the humidity requirement in the time of can definitely guaranteeing maintenance, the moisture distribution that may occur while having avoided natural curing and vapor cure is inhomogeneous, the generation of the unsettled individual cases of relative humidity.But temperature is wayward, between the sizing agent of invasion water and curing water, there is ion-exchange and soluble components [as Ca (OH)
2] leached, i.e. the fresh water of maintenance still has certain erosion action to cement sizing agent, and this effect rises and to aggravate with temperature, makes Ca in cement sizing agent (OH) during too high water temperature
2be dissolved, changed the composition of slurry, thereby have influence on the performance of cement sizing agent structure.Generally high-intensity clavate pillar and sleeve pipe are just adopted to warm water maintenance, curing time is more than 72h.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of maintenance process of new insulator water mud sizing agent, i.e. " hydrothermal curing ".
Technical scheme: for achieving the above object, the invention provides a kind of maintenance process of insulator water mud sizing agent, it mainly comprises the steps: the good product of insulator water mud sizing agent mucilage binding, pile up in sealing drying room, clean air after heating is introduced to described drying room, in drying room corner, several hot-blast outlets are evenly set; On each hot-blast outlet top, the corresponding Fine spray shower nozzle of installing; Drying room temperature is controlled at 44-46 ℃, relative humidity and is controlled at and is more than or equal to 75%; Curing time is less than or equal to 60 hours.
Described cement sizing agent is mainly made by the component of following weight ratio: 2 parts of cement, and 1 part of quartz sand, water 0.4-1.0 part, silica flour weight is cement weight 5%.
As preferably, the component of described cement sizing agent also comprises water reducer, and now, the weight ratio of water is 0.4-0.5, and water reducer solution weight is for being 1% of cement weight.
Preferred as another kind, the distance between described any two adjacent hot-blast outlets is 40-60cm, is shaped as circle or square, and diameter or the length of side are 5-15cm.
Further preferably, the distance between described any two adjacent hot-blast outlets is 50cm, is shaped as circle, and diameter is 10cm.
Preferred as another kind, described Fine spray shower nozzle is arranged on 40-60cm place, described hot-blast outlet top.
Further preferably, described Fine spray shower nozzle is arranged on 50cm place, described hot-blast outlet top.
Preferred as another kind, the injection of described Fine spray shower nozzle is long for 2-4m, spraying swath radius are 1-2m, and the angle of injection direction and level side is 10-20 degree.
Further preferably, the injection of described Fine spray shower nozzle is long for 3m, spraying swath radius are 1.5m, and the angle of injection direction and level side is 15 degree.
The present invention adopts humiture probe sensing, and PLC instrument is controlled humiture, and the actual humiture according in drying room, regulates hot blast aperture, spray time automatically, reaching whole room temps, humidity is even, meets processing requirement;
The invention solves the defect that cement insulator after " natural curing " curing cycle is long, floor space is large; Solved after " vapor cure ", the development of insulator water mud sizing agent later strength is subject to the impact of unfavorable factor, makes the defect of later stage (finally) strength degradation; Solved " warm water maintenance ", the maintenance water temperature of insulator water mud sizing agent is wayward, and its slurry forms and be changed, thereby has influence on the defect of cement sizing agent structure properties.
Beneficial effect: the present invention, with respect to prior art, both stablized and can improve insulator water mud sizing agent intensity and weather resistance, can shorten curing time again, improved output, guaranteed the humidity of insulator water mud sizing agent.Meanwhile, also meet the requirement of energy-conserving and environment-protective.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1:
Sizing agent component: cement 2kg, quartz sand 1kg, water 0.4kg, water reducer solution weight is cement weight 1%, silica flour weight is cement weight 5%.
Method: by the good rod insulator of mucilage binding (20KN product), pile up in the sealing drying room of wide 3m, high 2.2m, long 16m, the clean air that utilizes using residual heat from kiln furnace to pass through after heat exchanger heats is introduced drying room, has the circular hot-blast outlet of a diameter 10cm in both sides, drying room corner every 50cm; At 50cm place, hot-blast outlet top, the corresponding Fine spray shower nozzle that sprays long 3m, spraying swath radius 1.5m of installing, angle 15 degree of injection direction and horizontal direction; Drying room temperature is controlled at 45 ℃, relative humidity and is controlled at 85%; Curing time 40 hours.
Embodiment 2:
Sizing agent component: cement 2kg, quartz sand 1kg, water 1.0kg, silica flour weight is cement weight 5%.
Method: by the good rod insulator of mucilage binding (20KN product), pile up in the sealing drying room of wide 3m, high 2.2m, long 16m, the clean air that utilizes using residual heat from kiln furnace to pass through after heat exchanger heats is introduced drying room, has the circular hot-blast outlet of a diameter 5cm in both sides, drying room corner every 40cm; At 40cm place, hot-blast outlet top, the corresponding Fine spray shower nozzle that sprays long 2m, spraying swath radius 1m of installing, angle 10 degree of injection direction and horizontal direction; Drying room temperature is controlled at 44 ℃, relative humidity and is controlled at 75%; Curing time 20 hours.
Embodiment 3:
Sizing agent component: cement 2kg, quartz sand 1kg, water 0.7kg, silica flour weight is cement weight 5%.
Method: by the good rod insulator of mucilage binding (20KN product), pile up in the sealing drying room of wide 3m, high 2.2m, long 16m, the clean air that utilizes using residual heat from kiln furnace to pass through after heat exchanger heats is introduced drying room, in both sides, drying room corner, every 60cm, has the square hot-blast outlet that a length of side is 15cm; At 60cm place, hot-blast outlet top, the corresponding Fine spray shower nozzle that sprays long 4m, spraying swath radius 2m of installing, angle 20 degree of injection direction and horizontal direction; Drying room temperature is controlled at 46 ℃, relative humidity and is controlled at 95%; Curing time 60 hours.
Embodiment 4:
Sizing agent component: cement 2kg, quartz sand 1kg, water 0.5kg, water reducer solution weight is cement weight 1%, silica flour weight is cement weight 5%.
Method: by the good rod insulator of mucilage binding (20KN product), pile up in the sealing drying room of wide 3m, high 2.2m, long 16m, the clean air that utilizes using residual heat from kiln furnace to pass through after heat exchanger heats is introduced drying room, has the circular hot-blast outlet of a diameter 8cm in both sides, drying room corner every 45cm; At 45cm place, hot-blast outlet top, the corresponding Fine spray shower nozzle that sprays long 2.5m, spraying swath radius 1.2m of installing, angle 12 degree of injection direction and horizontal direction; Drying room temperature is controlled at 45 ℃, relative humidity and is controlled at 80%; Curing time 30 hours.
Embodiment 5:
Sizing agent component: cement 2kg, quartz sand 1kg, water 0.9kg, silica flour weight is cement weight 5%.
Method: by the good rod insulator of mucilage binding (20KN product), pile up in the sealing drying room of wide 3m, high 2.2m, long 16m, the clean air that utilizes using residual heat from kiln furnace to pass through after heat exchanger heats is introduced drying room, in both sides, drying room corner, has the hot-blast outlet of a diameter 12cm every 55cm; At 55cm place, hot-blast outlet top, the corresponding Fine spray shower nozzle that sprays long 3.5m, spraying swath radius 1.7m of installing, angle 18 degree of injection direction and horizontal direction; Drying room temperature is controlled at 45 ℃, relative humidity and is controlled at 90%; Curing time 50 hours.
Experimental example strength trial and resisting power comparison
Equipment: tension testing machine
Method: the strength test method of ability routine
Control group: adopt conventional " natural curing ", " vapor cure " and " warm water maintenance " same product to be carried out to maintenance, last test intensity, resisting power.
The tensile test of each embodiment product and resisting power comparative result, in Table 1.
Table 1 strength test and resisting power comparative result (n=3)
By upper table 1, can be drawn, natural curing group products obtained therefrom intensity and resisting power are all stronger, but curing time is long; Although vapor cure group curing time is short, intensity and resisting power are all poor; Although warm water maintenance group resisting power is better, curing time is also long.And embodiment of the present invention products obtained therefrom, intensity and resisting power all demonstrate good performance, and curing time obviously shortens, and output improves.
Claims (8)
1. a maintenance process for insulator water mud sizing agent, is characterized in that, it mainly comprises the steps:
The good product of insulator water mud sizing agent mucilage binding, piles up in sealing drying room, and the clean air after heating is introduced to described drying room, in drying room corner, several hot-blast outlets is evenly set; On each hot-blast outlet top, the corresponding Fine spray shower nozzle of installing; Drying room temperature is controlled at 44-46 ℃, relative humidity and is controlled at and is greater than 75%; Curing time is less than or equal to 60 hours;
Described cement sizing agent is mainly made by the component of following weight ratio: 2 parts of cement, and 1 part of quartz sand, water 0.4-1.0 part, silica flour weight is cement weight 5%.
2. the maintenance process of a kind of insulator water mud sizing agent according to claim 1, is characterized in that: the component of described cement sizing agent also comprises water reducer, and now, the weight ratio of water is 0.4-0.5, and water reducer solution weight is for being 1% of cement weight.
3. the maintenance process of a kind of insulator water mud sizing agent according to claim 1, is characterized in that: the distance between described any two adjacent hot-blast outlets is 40-60cm, is shaped as circle or square, and diameter or the length of side are 5-15cm.
4. the maintenance process of a kind of insulator water mud sizing agent according to claim 3, is characterized in that: the distance between described any two adjacent hot-blast outlets is 50cm, is shaped as circle, and diameter is 10cm.
5. the maintenance process of a kind of insulator water mud sizing agent according to claim 1, is characterized in that: described Fine spray shower nozzle is arranged on 40-60cm place, described hot-blast outlet top.
6. the maintenance process of a kind of insulator water mud sizing agent according to claim 5, is characterized in that: described Fine spray shower nozzle is arranged on 50cm place, described hot-blast outlet top.
7. the maintenance process of a kind of insulator water mud sizing agent according to claim 1, is characterized in that: the injection of described Fine spray shower nozzle is long for 2-4m, spraying swath radius are 1-2m, and the angle of injection direction and level side is 10-20 degree.
8. the maintenance process of a kind of insulator water mud sizing agent according to claim 7, is characterized in that: the injection of described Fine spray shower nozzle is long for 3m, spraying swath radius are 1.5m, and the angle of injection direction and level side is 15 degree.
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| CN201410305807.6A CN104072197B (en) | 2014-06-30 | 2014-06-30 | A kind of maintenance process of insulator water mud adhesive |
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| CN201410305807.6A CN104072197B (en) | 2014-06-30 | 2014-06-30 | A kind of maintenance process of insulator water mud adhesive |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446277A (en) * | 2014-12-13 | 2015-03-25 | 重庆鸽牌电瓷有限公司 | Electro-ceramic cement adhesive composite material prescription |
| CN105869791A (en) * | 2016-06-12 | 2016-08-17 | 江苏南瓷绝缘子股份有限公司 | 3000V cantilever insulator for metro and manufacturing method of 3000V cantilever insulator |
| CN105913982A (en) * | 2016-06-24 | 2016-08-31 | 山东瑞泰玻璃绝缘子有限公司 | Glass insulator cementing method |
| CN108053957A (en) * | 2017-12-13 | 2018-05-18 | 江西高强电瓷集团有限公司 | A kind of semi-automatic insulator cementing maintaining process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107777964B (en) * | 2017-09-28 | 2020-07-24 | 江苏南瓷绝缘子股份有限公司 | Super low temperature resistant adhesive |
Citations (3)
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| CN1056646A (en) * | 1990-05-18 | 1991-12-04 | 第十八冶金建设公司第一工程公司 | The method and apparatus of circulation damp-heat air curing concrete goods |
| CN200998886Y (en) * | 2007-01-23 | 2008-01-02 | 俞加友 | Humiture even concrete maintenance chamber |
| CN102718452A (en) * | 2012-06-28 | 2012-10-10 | 江苏南瓷绝缘子有限公司 | Super strength silicate cement adhesive and preparation method thereof |
-
2014
- 2014-06-30 CN CN201410305807.6A patent/CN104072197B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1056646A (en) * | 1990-05-18 | 1991-12-04 | 第十八冶金建设公司第一工程公司 | The method and apparatus of circulation damp-heat air curing concrete goods |
| CN200998886Y (en) * | 2007-01-23 | 2008-01-02 | 俞加友 | Humiture even concrete maintenance chamber |
| CN102718452A (en) * | 2012-06-28 | 2012-10-10 | 江苏南瓷绝缘子有限公司 | Super strength silicate cement adhesive and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104446277A (en) * | 2014-12-13 | 2015-03-25 | 重庆鸽牌电瓷有限公司 | Electro-ceramic cement adhesive composite material prescription |
| CN105869791A (en) * | 2016-06-12 | 2016-08-17 | 江苏南瓷绝缘子股份有限公司 | 3000V cantilever insulator for metro and manufacturing method of 3000V cantilever insulator |
| CN105913982A (en) * | 2016-06-24 | 2016-08-31 | 山东瑞泰玻璃绝缘子有限公司 | Glass insulator cementing method |
| CN105913982B (en) * | 2016-06-24 | 2017-12-22 | 山东瑞泰玻璃绝缘子有限公司 | A kind of adhesive binding method of glass insulator |
| CN108053957A (en) * | 2017-12-13 | 2018-05-18 | 江西高强电瓷集团有限公司 | A kind of semi-automatic insulator cementing maintaining process |
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