CN102496423A - Production method of polymer composite power bus bar or bus tube - Google Patents
Production method of polymer composite power bus bar or bus tube Download PDFInfo
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- CN102496423A CN102496423A CN2011103860824A CN201110386082A CN102496423A CN 102496423 A CN102496423 A CN 102496423A CN 2011103860824 A CN2011103860824 A CN 2011103860824A CN 201110386082 A CN201110386082 A CN 201110386082A CN 102496423 A CN102496423 A CN 102496423A
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Abstract
The invention discloses a production method of a polymer composite power bus bar or bus tube. The production method comprises the following steps of: putting a normal-temperature instant crosslinking low-smoke halogen-free flame-retardant heat-shrinkable tube material into an extruding machine, and extruding by using an co-extrusion die to coat the normal-temperature instant crosslinking low-smoke halogen-free flame-retardant heat-shrinkable tube material on a bus bar or bus tube, wherein the traction rate is 12 meters/minute, and the temperatures of the extruding machine are as follows: first region 115 DEG C, second region 145 DEG C, third region 165 DEG C, fourth region 185 DEG C, machine head 185 DEG C and die 195 DEG C; and cooling in a water tank, standing at normal temperature to enable self-crosslinking, thereby obtaining the polymer composite power bus bar or bus tube. According to the invention, the continuous and automatic production of the polymer composite power bus bar or bus tube is implemented, the production efficiency is improved and the energy and material consumption is reduced; and the defects of high tendency to electric field breakdown due to multiple coating joints, cracking, bulging, poor compactness and the like when the bus is produced by manual bar sheathing, sleeving winding mode in the traditional technique are overcome, and the sealability and electric properties of the bus bar or bus tube are enhanced.
Description
Technical field
The present invention relates to a kind of have the power bus-bar row of safeguard function, the production method of bus pipe, be specifically related to the production method of a kind of composite high-molecular material power bus-bar row or bus pipe.
Background technology
Along with expanding economy, China progressively strengthens the construction and upgrading of urban distribution network and rural power grids, and then promotes the power supply quality and the supportability of electrical network.In the transformation and process of construction of electrical network, need a large amount of key facilities that adopt square type copper or aluminium power bus-bar row or bus pipe to connect as electric equipment.But there are significant disadvantages in bare bus bar row or bare bus bar pipe, and its Supply Security does not ensure, has the generation of flashover faults such as foreign matter overlap joint, animal short circuit, weather temperature change condensation and artificial electric shock.For this reason, insulate to bare bus bar row or bare bus bar pipe and wait other specific (special) requirements to protect.Common practice is that heat shrink makes it have functions such as insulation, fire-resisting protection after outside bare bus bar row or bare bus bar pipe, putting the different heat-shrink tube of function now.Yet the production of heat-shrink tube need be passed through masterbatch production, squeeze processes such as pipe, cross-linking radiation, expander cooling.And then the heat-shrink tube manual work that function is different is enclosed within on bus row or the bus pipe, through heating it shunk and tightly is enclosed within on bus row or the bus pipe, accomplishes whole link and processes that the power bus-bar of safeguard functions such as having insulation, fire-retardant is arranged, bus pipe.Because heat-shrinkable T bush function singleness; Multi-functional if desired compound (insulation, fire-retardant) macromolecular material bus row or bus pipe; Need several the then corresponding heat-shrink tubes that repeat to overlap the respective numbers number of plies of function; Be prone to during this time break, bulge, mistake such as inhomogeneous, in case generation then nullify all the advantages is done again from the beginning.Also have with manual wrapped be main, layering to bus row, bus pipe carries out the coated high molecular material, is not serialization production; Production efficiency is extremely low, and product quality can not get effective assurance, takes a lot of work, time-consuming, waste wood; Labour intensity is big, requires extremely unbecoming with modernization.
Along with active demand, adopt the importance of novel macromolecular material/metal composite bus row, bus pipe and structural member also to highlight further to the big electric current safe transmission of big capacity.In the later stage in the 90's, begin both at home and abroad to pay close attention in large quantities and research and utilization macromolecular material/metal composite cast bus and structural member technology.German DEGUGAR company began to sell at home copper aluminum metal pipe insulation shielding bus in 2003; The insulating material of this product is to adopt epoxy resin fiberglass cloth lamination dipping cured and prepared, and product structure is rigidity too, and heat dispersion is poor; Cold cycling is prone to metal level and resin bed cracking; Influence the stable of electric property, also exist the weight of unit length bus to lay particular stress on problems such as inconvenient installation.But constantly enlarge with station capacity, low pressure output line electric current constantly increases, and bus row, bus pipe temperature rise improve, and its coated high molecular material is because Non-crosslinked is handled, and its heatproof is limited, burn-off or accelerated ageing phenomenon occur.
Summary of the invention
Technical problem to be solved by this invention provides the composite high-molecular of a kind of good airproof performance, production efficiency height, ambient cross-linking
The production method of material power bus-bar row or bus pipe.Power bus-bar row or the bus pipe produced have softness, halogen-free flameproof, insulation property.
For solving the problems of the technologies described above; The production method of composite high-molecular material power bus-bar row of the present invention or bus pipe is: room-temperature rapid coupling low-smoke non-halogen flame-retardant heat-shrink tube material is placed extruder; Extrude through co-extruding mould, be coated on bus row or the bus pipe, said extruder temperature is: 115 ℃ in a district, 145 ℃ in two districts, 165 ℃ in three districts, 185 ℃ in four districts, 185 ℃ of heads, 195 ℃ on mould; Pulling speed is 12 meters/minute; After the tank cooling, normal temperature is placed, and lets its crosslinked voluntarily composite high-molecular material power bus-bar that can obtain arrange or bus pipe.
Establish an Insulation Material extruder in the said method again, this machine co-extruding mould and heat-shrink tube material extruder co-extruding mould " V " type are placed co-extrusion, and the insulation bed of material is an internal layer, and the fire-retardant bed of material is outer.
The room-temperature rapid coupling low-smoke non-halogen flame-retardant heat-shrink tube material that the present invention adopts is the disclosed a kind of room-temperature rapid coupling low-smoke non-halogen flame-retardant heat-shrink tube material of Chinese patent CN102219953A, and this pipe material is represented with parts by weight; By the ethylene-vinyl acetate ester copolymer: 30-40 parts, ethylene-propylene rubber EPDM:10-20 part, ammonium polyphosphate flame retardant: 10-20 parts; Isocyanuric acid melamine salt: 10-20 parts, activation magnesium hydroxide: 10-20 parts, 20-30 parts in activation aluminium hydroxide, self-control compatilizer: 5-10 parts, unsaturated silane: 1.0-5 parts; Saturated function groups silane: 1.0-3.0 parts; Radical initiator: 0.1-2 parts, organotin catalysts: 0.1-1 part, antioxidant 1010: 0.1-0.5 part; Copper resistant agent MD1024:0.1-0.5 part, Tissuemat E lubricant: 0.5-2 parts of compositions.Unsaturated silane is vinyltrimethoxy silane or VTES.Saturated function groups silane is positive Ethoxysilane or positive propoxy silane.Radical initiator is 1,1-di-tert-butyl peroxide thiacyclohexane, benzoyl peroxide or cumyl peroxide.Organotin catalysts is dibutyl tin laurate or two laurate tin diethyls.This heat-shrinkable tube material need not used electron accelerator or cobalt-60 radiosterilize, and crosslinked at normal temperatures.
Insulation Material is a common used material, comprises LDPE (low density polyethylene (LDPE)) class, HDPE (high density polyethylene (HDPE)) class, PVC (polyvinyl chloride) class, synthetic rubber class.The Insulation Material extruder is respectively distinguished temperature by the known temperature control of using this material.
Because technique scheme directly is coated on macromolecular material on bus row or the bus pipe, be coated on bus row or bus pipe macromolecular material can crosslinked (the bus row behind the coated high molecular material, bus pipe can't carry out cross-linking radiation or other ways are crosslinked) take place under normal temperature, the normal pressure voluntarily that it is heat-resisting to improve, performances such as weather-resistant, antiacid alkali, anti-organic solvent and stress cracking.Promptly utilize its room-temperature rapid coupling performance that has to reach the same protection effect of existing product.The traditional handicraft that manual layering is coated has realized serialization, the automated production of composite high-molecular material bus row or bus pipe; Not only improved the production efficiency of bus row, pipe greatly; Simplify production link, can reduce human cost simultaneously, reduce the energy and material consumption, thereby reduce integrated cost; Avoid effectively and overcome artificial cover row, sleeve pipe or canoe in the traditional handicraft produce the coating joint of bus many, break, bulge; Density difference etc. is prone to cause the drawback of electric field breakdown; Make between the coating layer of clad material and bus surface and different materials and do not have the space; Effectively bonding between the material layer, improved sealing, electric property gets a promotion.
Embodiment
Instance one: 10kv tool anti-flaming function composite high-molecular material 8 * 80 buses row production method: adopt extruder of SJ65/25; Individual layer co-extruding mould T-shape is placed co-extrusion; Material is 8 * 80 copper busbars row and the disclosed embodiment 1 room-temperature rapid coupling low-smoke non-halogen flame-retardant heat-shrink tube material of CN102219953A, flame-proof material layer thickness 2mm ± 0.05mm;
SJ65/25 machine temperature is provided with: 115 ℃ in a district, 145 ℃ in two districts, 165 ℃ in three districts, 185 ℃ in four districts, 185 ℃ of heads, 195 ℃ on mould;
12 meters/minute of pulling speeds are placed test more than two days after the tank cooling.
According to GB/T16927.1-1997, GB/T11022-1999 standard, above-mentioned composite bus row is detected test result such as table one:
Table one: instance one test result
Conclusion: above-mentioned composite high-molecular material bus row complies with the national standard requirements fully.
The production method of flame-proof material individual layer bus pipe is with instance one.
Instance two: insulation of 35kv tool and anti-flaming function composite high-molecular material 8 * 80 buses row's production method: two kinds of functional insulations and fire-retardant employing SJ65/25 and small one and large one two extruders of SJ45/25; Two-layer co-extruding mould " V " type is placed co-extrusion; Material is 8 * 80 copper busbars row, the disclosed embodiment 1 room-temperature rapid coupling low-smoke non-halogen flame-retardant heat-shrink tube material of CN102219953A and LDPE (low density polyethylene (LDPE)) type of Insulation Material; Insulation Material is put internal layer; Thickness 1mm ± 0.05mm, flame-proof material is put skin, thickness 2mm ± 0.05mm;
The SJ65/25 machine squeezes outer flame-proof material, the temperature setting: 115 ℃ in a district, 145 ℃ in two districts, 165 ℃ in three districts, 185 ℃ in four districts, 195 ℃ on 185 ℃ of moulds of head;
The SJ45/25 machine squeezes the internal layer flame-proof material, the temperature setting: 115 ℃ in a district, 135 ℃ in two districts, 165 ℃ in three districts, 185 ℃ in four districts, 185 ℃ of heads, 195 ℃ on mould;
12 meters/minute of pulling speeds are placed test more than three days after the tank cooling.
According to GB/T16927.1-1997, GB/T11022-1999 standard, above-mentioned composite bus row is detected test result such as table two:
Table two: instance two test results
Conclusion: above-mentioned composite high-molecular material bus row complies with the national standard requirements fully.
The production method of the double-deck bus pipe of flame-proof material and Insulation Material is with instance two.
The SJ45/25 machine squeezes the primary insulation material, and it is following to look the different extrusion temperatures of kind:
1, HDPE (high density polyethylene (HDPE)) type: 135 ℃ in a district, 155 ℃ in two districts, 175 ℃ in three districts, 185 ℃ in four districts, 190 ℃ of heads, mould 198.
2, PVC (adjudicate two cases together ethene) type: 105 ℃ in a district, 115 ℃ in two districts, 135 ℃ in three districts, 150 ℃ in four districts, 160 ℃ of heads, 170 ℃ on mould.
3, synthetic rubber class: 145 ℃ in a district, 165 ℃ in two districts, 185 ℃ in three districts, 190 ℃ in four districts, 195 ℃ of heads, 205 ℃ on mould.
Claims (2)
1. the production method of composite high-molecular material power bus-bar row or bus pipe: room-temperature rapid coupling low-smoke non-halogen flame-retardant heat-shrink tube material is placed extruder; Extrude through co-extruding mould; Be coated on bus row or the bus pipe; Said extruder temperature is: 115 ℃ in a district, 145 ℃ in two districts, 165 ℃ in three districts, 185 ℃ in four districts, 185 ℃ of heads, 195 ℃ on mould, and pulling speed is 12 meters/minute, after the tank cooling; Normal temperature is placed, and lets its crosslinked voluntarily composite high-molecular material power bus-bar that can obtain arrange or bus pipe.
2. the production method of composite high-molecular material power bus-bar row according to claim 1 or bus pipe; It is characterized in that: establish an Insulation Material extruder again; This machine co-extruding mould and heat-shrink tube material extruder co-extruding mould " V " type are placed co-extrusion, and the insulation bed of material is an internal layer, and the fire-retardant bed of material is outer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110386082 CN102496423B (en) | 2011-11-29 | 2011-11-29 | Production method of polymer composite power bus bar or bus tube |
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| CN 201110386082 CN102496423B (en) | 2011-11-29 | 2011-11-29 | Production method of polymer composite power bus bar or bus tube |
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| CN102496423B CN102496423B (en) | 2013-03-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105761838A (en) * | 2014-12-19 | 2016-07-13 | 德尔福派克电气系统有限公司 | Aluminum core lead formation process |
| CN110931187A (en) * | 2019-12-16 | 2020-03-27 | 江苏沃能电气科技有限公司 | Preparation method of composite insulating pipe |
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| CN101996714A (en) * | 2009-08-11 | 2011-03-30 | 天津经纬电材股份有限公司 | Enameled flat wire extruding and cladding process |
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| CN201877177U (en) * | 2010-10-29 | 2011-06-22 | 深圳市惠程电气股份有限公司 | EPDM rubber insulating metal tube bus |
| CN201927378U (en) * | 2010-12-01 | 2011-08-10 | 河南省电力公司南阳供电公司 | Outdoor high voltage bus bar |
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2011
- 2011-11-29 CN CN 201110386082 patent/CN102496423B/en active Active
Patent Citations (7)
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| GB1053651A (en) * | ||||
| JP2007185931A (en) * | 2006-01-16 | 2007-07-26 | Daikin Ind Ltd | Hollow molding made of polytetrafluoroethylene resin and its manufacturing method |
| CN101996714A (en) * | 2009-08-11 | 2011-03-30 | 天津经纬电材股份有限公司 | Enameled flat wire extruding and cladding process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105761838A (en) * | 2014-12-19 | 2016-07-13 | 德尔福派克电气系统有限公司 | Aluminum core lead formation process |
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| CN110931187A (en) * | 2019-12-16 | 2020-03-27 | 江苏沃能电气科技有限公司 | Preparation method of composite insulating pipe |
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| CN102496423B (en) | 2013-03-20 |
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Address after: 246005 No. nine road, Anqing Comprehensive Economic Development Zone, Anhui, China Patentee after: ANHUI SANYANG PLASTIC MATERIAL CO., LTD. Address before: 246005 No. nine road, Anqing Comprehensive Economic Development Zone, Anhui, China Patentee before: Anqing Sanyang Plastic Materials Co.,Ltd. |