CN103146142A - Composite vibration insulator for electrostatic deduster and preparation method thereof - Google Patents
Composite vibration insulator for electrostatic deduster and preparation method thereof Download PDFInfo
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- CN103146142A CN103146142A CN2013100686115A CN201310068611A CN103146142A CN 103146142 A CN103146142 A CN 103146142A CN 2013100686115 A CN2013100686115 A CN 2013100686115A CN 201310068611 A CN201310068611 A CN 201310068611A CN 103146142 A CN103146142 A CN 103146142A
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Abstract
The invention discloses a composite vibration insulator for an electrostatic deduster and a preparation method thereof. The composite vibration insulator comprises the following components in percentage by weight: 75-80% of fiber chopped strands, 10-8% of high-temperature-resistant epoxy resin, 10-8% of high-temperature-resistant curing agent, 1-2% of accelerant, 1-5% of nano quartz powder and 0.5-1% of nano flame retardant. The composite vibration insulator disclosed by the invention has high shock resistance and long service life, and is not easily broken; as a high-molecular material, the vibration insulator has excellent hydrophobicity, does not frequently suffer from flashover or breakdown due to moisture condensation, and shows high insulating performance of the product; and compared with a ceramic material with long production period, low efficiency and high rejection rate, the composite vibration insulator has high production efficiency, high yield and low comprehensive cost, and is favorable for increasing the economic benefits. The density of the composite vibration insulator is 1/3 of that of the ceramic material, the product has light whole weight and low power consumption in operation, and thus the composite vibration insulator is an ideal material and first choice for saving energy and reducing consumption.
Description
Technical field:
The invention belongs to the Environmental-protecting dust-removing field, the high-voltage electrostatic dust separator rapping insulator (axle) that relates to a kind of fuel-burning power plant, especially a kind of traditional stupalith of polymer composite material substitution that adopts is made electrostatic precipitator rapping insulator (axle), and has proposed the compound rapping insulator of concrete polymer (axle) manufacture method.
Background technology:
In prior art, rapping insulator (axle) material that high-voltage electrostatic dust separator is used is stupalith.Circular rod or profile band increase the umbrella disk of creepage distance, and two ends are metal connecting piece.Its shortcoming is: belong to hard brittle material as stupalith, and frangibility, work-ing life is short.Shock resistance is poor.Its manufacturing cost is high, and as attrition component, later maintenance is expensive.And in use the surface easily condensed water reveal, and cause the situation of flashover under high-voltage or short circuit, and then cause that in power generation process, fly-ash separator quits work, cause the accident of air environmental pollution.Its density is high, the product overall weight is large, and operation current consumption is large, is unfavorable for saving energy and reduce the cost.Therefore, the high-voltage electrostatic dust separator of the alternative stupalith of a kind of energy of invention is the numerous scientific and technical personnel's of industry dream and pursuit with the compound rapping insulator of polymer (axle).
Summary of the invention:
The object of the invention is to overcome the shortcoming of above-mentioned prior art, compound rapping insulator that a kind of electrostatic precipitator uses and preparation method thereof is provided, this compound rapping insulator long service life, frangibility not, good insulation preformance.
The objective of the invention is to solve by the following technical programs:
The compound rapping insulator that electrostatic precipitator is used, according to weight percent, comprise the chopped silk of fiber of 75%-80%, the high-temperature-resistant epoxy resin of 10%-8%, the high temperature resistant solidifying agent of 10%-8%, the promotor of 1%-2%, the nanometer order quartz powder of 1%-5% and the nano-meter flame retardants of 0.5%-1%.
The chopped silk of described fiber is glass fibre or basalt fibre or the aramid fiber of electrical isolation level.
Described high-temperature-resistant epoxy resin is cycloaliphatic epoxy resin or urethane resin or Vinylite.
Described high temperature resistant solidifying agent is methyl Na Dike acid anhydrides.
Described promotor is diethyl tetramethyl-imidazoles.
Described nanometer order quartz powder is 1000 purpose silicon-dioxide.
Described nano-meter flame retardants is 800 purpose aluminium sesquioxides.
The preparation method of described compound rapping insulator, in accordance with the following steps:
(1) make metal die, this metal die comprises glue-feeder and the venting port that is separately positioned on two ends;
(2) the chopped silk of fiber is laid on the mould intracavity wall of metal die, and is filled with die cavity with the nanometer order quartz powder; On the flat plate hydraulic machine that metal die is fixed on vacuum unit and can heats;
(3) according to gross weight, the nano-meter flame retardants of the promotor of the high temperature resistant solidifying agent of the high-temperature-resistant epoxy resin of 10%-8%, 10%-8%, 1%-2% and 0.5%-1% is mixed and be heated to stir more than 30 degrees centigrade obtain colloid mixture;
(4) mode that adopts vacuum to take out notes colloid mixture imports to metal die inside; The flat plate hydraulic machine vacuum degree control is at the 0.8-1 handkerchief; Sizing material overflows the valve at rear closing molding two ends;
(5) heating control system of unlatching flat plate hydraulic machine is cured moulding; The step temperature of solidifying is: 78 ℃-82 ℃ 1 hour, 140 ℃-155 ℃ of 2h that heat, 170 ℃ of-185 ℃ of 3h that heat of heating that heat 1 hour, 110 ℃-125 ℃;
(6) product after the hot setting moulding, is cooled to room temperature, and two-half die is opened the demoulding, takes out and makes product.
The mould intracavity wall of described metal die scribbles inner pattern releasing agent applicable.
Of the present inventionly make electrostatic precipitator rapping insulator (axle) with polymer composite and compare with existing stupalith manufacturing electrostatic precipitator rapping insulator (axle), it has, and shock resistance is high, not frangibility, long service life; Excellent as the macromolecular material hydrophobic nature, be difficult for because of the dewfall flashover or puncture, the insulating property that represented product are high; The production cycle of it and stupalith is long, efficient is low, scrap rate is high compares, and its production efficiency is high, yield rate is high, comprehensive cost is low, be conducive to increase economic efficiency.Its density is 1/3rd of stupalith, and the product overall weight is light, operation current consumption is low, be that the ideal material of saving energy and reduce the cost is with first-selected.Its production cost is lower than pottery, and its cost performance is higher.
Description of drawings:
Fig. 1 is metal die structural representation of the present invention;
Wherein: 1 is glue-feeder; 2 is venting port.
Embodiment:
Below in conjunction with accompanying drawing, the present invention is described in further detail:
Referring to Fig. 1, the compound rapping insulator that electrostatic precipitator is used, according to weight percent, comprise the chopped silk of fiber of 75%-80%, the high-temperature-resistant epoxy resin of 10%-8%, the high temperature resistant solidifying agent of 10%-8%, the promotor of 1%-2%, the nanometer order quartz powder of 1%-5% and the nano-meter flame retardants of 0.5%-1%.
The technical scheme that realizes invention is:
The 1 compound rapping insulator of polymer (axle) material used.
Comprise 1) the chopped silk of fiber, 2) high-temperature-resistant epoxy resin, 3) high temperature resistant solidifying agent, 4) promotor, 5) the nanometer order quartz powder, 6) other subsidiary material such as nano-meter flame retardants.
2 material therefor ratios are: according to weight percent, contain the chopped silk of fiber of 75%-80% in the compound rapping insulator of polymer (axle) composition.The high-temperature-resistant epoxy resin of 10%-8%.The high temperature resistant solidifying agent of 10%-8%, the promotor of 1%-2%, the nanometer order quartz powder of 1%-5%, the nano-meter flame retardants of 0.5%-1%.
The concrete title of material therefor.
The chopped silk of fiber is glass fibre or basalt fibre or the aramid fiber of electrical isolation level.
High-temperature-resistant epoxy resin is cycloaliphatic epoxy resin or urethane resin or Vinylite.
High temperature resistant solidifying agent is methyl Na Dike acid anhydrides.
Promotor is diethyl tetramethyl-imidazoles.
The nanometer order quartz powder is 1000 purpose silicon-dioxide.
Nano-meter flame retardants is 800 purpose aluminium sesquioxides.
The preparation method of the two compound rapping insulators of polymer (axle).
Carry out in the steps below:
1 makes metal die by the specification of product design.Belong to the up and down two-half die.One end has glue-feeder, and the other end has venting port.Can make a multi-cavity mold.(i.e. the good multi-product of a mould)
2 upper and lower moulds have been separately fixed on vacuum unit and heatable flat plate hydraulic machine.
3 press working condition and the technical requirement that product uses, and as temperature classification, physical strength, insulation strength, flame retardant rating etc., by the auxiliary layer of computer software designing technique, calculate number of plies structure, sizing material ratio, the additives ratio of fiber.
4 according to the raw materials used formulation processing parameter of product.
Concrete technology is as follows.
I, at first by 80% of product weight ratio, fiber yarn is cut off by the product length requirement, generally selecting filament diameter is the fiber of 2400Tex at 15-25 micron, sub-thread; Or thickness is the cloth of 1 millimeter.Be laid in the die cavity of mould.Till the die cavity space is filled completely with the nanometer order quartz powder.
II, take resin, solidifying agent, promotor, nano-meter flame retardants mixing and stirring by the product weight ratio.Various material proportions add in wholesale ratio.Need heating to stir after 30 degree.
III, use vacuumize in the above-mentioned sizing material importing metal die of way with mixing and stirring.Scribble inner pattern releasing agent applicable in mould;
IV, the flat plate hydraulic machine vacuum degree control of vacuum unit is arranged at the 0.8-1 handkerchief.After overflowing, wants sizing material the valve at closing molding two ends.
The heating control system of V, unlatching flat plate hydraulic machine.The step temperature of solidifying is: 78 ℃-82 ℃ 1 hour, 140 ℃-155 ℃ of 2h that heat, 170 ℃ of-185 ℃ of 3h that heat of heating that heat 1 hour, 110 ℃-125 ℃;
VI, product are cooled to room temperature after the hot setting moulding, two-half die is opened the demoulding, take out and make product;
VII, product is carried out various testing performance indexes electric, machinery.Satisfactory permission is dispatched from the factory.
Technical indicator
the above, it is only preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, any simple modification that foundation technical spirit of the present invention is done above embodiment, equivalent variations and modification, still belong in the scope of technical solution of the present invention.
Claims (9)
1. the compound rapping insulator used of electrostatic precipitator, it is characterized in that: according to weight percent, comprise the chopped silk of fiber of 75%-80%, the high-temperature-resistant epoxy resin of 10%-8%, the high temperature resistant solidifying agent of 10%-8%, the promotor of 1%-2%, the nanometer order quartz powder of 1%-5% and the nano-meter flame retardants of 0.5%-1%.
2. compound rapping insulator as claimed in claim 1, it is characterized in that: the chopped silk of described fiber is the glass fibre of electrical isolation level or basalt fibre or aramid fiber.
3. compound rapping insulator as claimed in claim 1, it is characterized in that: described high-temperature-resistant epoxy resin is cycloaliphatic epoxy resin or urethane resin or Vinylite.
4. compound rapping insulator as claimed in claim 1, it is characterized in that: described high temperature resistant solidifying agent is methyl Na Dike acid anhydrides.
5. compound rapping insulator as claimed in claim 1, it is characterized in that: described promotor is diethyl tetramethyl-imidazoles.
6. compound rapping insulator as claimed in claim 1, it is characterized in that: described nanometer order quartz powder is 1000 purpose silicon-dioxide.
7. compound rapping insulator as claimed in claim 1, it is characterized in that: described nano-meter flame retardants is 800 purpose aluminium sesquioxides.
8. as the preparation method of compound rapping insulator as described in claim 1,2,3,4,5,6 or 7, it is characterized in that, in accordance with the following steps:
(1) make metal die, this metal die comprises glue-feeder and the venting port that is separately positioned on two ends;
(2) the chopped silk of fiber is laid on the mould intracavity wall of metal die, and is filled with die cavity with the nanometer order quartz powder; On the flat plate hydraulic machine that metal die is fixed on vacuum unit and can heats;
(3) according to gross weight, the nano-meter flame retardants of the promotor of the high temperature resistant solidifying agent of the high-temperature-resistant epoxy resin of 10%-8%, 10%-8%, 1%-2% and 0.5%-1% is mixed and be heated to stir more than 30 degrees centigrade obtain colloid mixture;
(4) mode that adopts vacuum to take out notes colloid mixture imports to metal die inside; The flat plate hydraulic machine vacuum degree control is at the 0.8-1 handkerchief; Sizing material overflows the valve at rear closing molding two ends;
(5) heating control system of unlatching flat plate hydraulic machine is cured moulding; The step temperature of solidifying is: 78 ℃-82 ℃ 1 hour, 140 ℃-155 ℃ of 2h that heat, 170 ℃ of-185 ℃ of 3h that heat of heating that heat 1 hour, 110 ℃-125 ℃;
(6) product after the hot setting moulding, is cooled to room temperature, and two-half die is opened the demoulding, takes out and makes product.
9. preparation method as claimed in claim 8, it is characterized in that: the mould intracavity wall of described metal die scribbles inner pattern releasing agent applicable.
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| CN2013100686115A CN103146142A (en) | 2013-03-04 | 2013-03-04 | Composite vibration insulator for electrostatic deduster and preparation method thereof |
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| CN2013100686115A CN103146142A (en) | 2013-03-04 | 2013-03-04 | Composite vibration insulator for electrostatic deduster and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068307A (en) * | 2017-04-14 | 2017-08-18 | 保定冀开电力器材有限公司 | A kind of composite insulator production method of short time limit efficiency high |
| CN107987479A (en) * | 2017-12-13 | 2018-05-04 | 江西省萍乡市宇翔电瓷制造有限公司 | A kind of preparation process of compound porcelain insulator |
| CN108583370A (en) * | 2018-06-25 | 2018-09-28 | 西安交通大学 | A kind of telescopic adjustable bracket of basalt fibre |
| CN110437534A (en) * | 2019-07-23 | 2019-11-12 | 广州云凯复合材料有限公司 | A kind of absorption plate and its production technology by force |
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| CN1701945A (en) * | 2005-06-13 | 2005-11-30 | 吴亚民 | Vacuum casting vibrating and beating insulation shaft of compound macromolecular polymer and its production method |
| CN101749008A (en) * | 2010-01-26 | 2010-06-23 | 西安永兴科技发展有限公司 | Manufacturing method of insulation bearing shell of oil well logging instrument |
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2013
- 2013-03-04 CN CN2013100686115A patent/CN103146142A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1701945A (en) * | 2005-06-13 | 2005-11-30 | 吴亚民 | Vacuum casting vibrating and beating insulation shaft of compound macromolecular polymer and its production method |
| CN101749008A (en) * | 2010-01-26 | 2010-06-23 | 西安永兴科技发展有限公司 | Manufacturing method of insulation bearing shell of oil well logging instrument |
Non-Patent Citations (1)
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| 电子变压器专业委员会: "《电子变压器手册》", 31 August 1998, 辽宁科学技术出版社, article "9.5.2封端", pages: 575-576 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068307A (en) * | 2017-04-14 | 2017-08-18 | 保定冀开电力器材有限公司 | A kind of composite insulator production method of short time limit efficiency high |
| CN107987479A (en) * | 2017-12-13 | 2018-05-04 | 江西省萍乡市宇翔电瓷制造有限公司 | A kind of preparation process of compound porcelain insulator |
| CN107987479B (en) * | 2017-12-13 | 2020-03-27 | 江西省萍乡市宇翔电瓷制造有限公司 | Preparation process of composite porcelain insulator |
| CN108583370A (en) * | 2018-06-25 | 2018-09-28 | 西安交通大学 | A kind of telescopic adjustable bracket of basalt fibre |
| CN110437534A (en) * | 2019-07-23 | 2019-11-12 | 广州云凯复合材料有限公司 | A kind of absorption plate and its production technology by force |
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Application publication date: 20130612 |