CN109250905A - 220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method - Google Patents

220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method Download PDF

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Publication number
CN109250905A
CN109250905A CN201811183522.4A CN201811183522A CN109250905A CN 109250905 A CN109250905 A CN 109250905A CN 201811183522 A CN201811183522 A CN 201811183522A CN 109250905 A CN109250905 A CN 109250905A
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CN
China
Prior art keywords
intensitive
disk
glass insulator
shaped suspension
power transmission
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Pending
Application number
CN201811183522.4A
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Chinese (zh)
Inventor
师学军
李嵩
姚伟群
郭旭
张波
李春成
郭树峰
王丽华
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State Grid Corp of China SGCC
Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201811183522.4A priority Critical patent/CN109250905A/en
Publication of CN109250905A publication Critical patent/CN109250905A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
    • C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
    • C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B25/00—Annealing glass products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00—Tempering or quenching glass products
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Glass Compositions (AREA)

Abstract

220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method, by weight percentage, the high intensity disk-shaped suspension glass insulator component content are as follows: SiO2:57%-70%；Al2O3:0.5%-1%；Na2O:1.9%-3.2%；K2O:9%-13%；MgO:3%-8%；CaO:4%-8%；SrO:2.5%-7%；Sb2O3:0.8%-1.2%；ZrO2:4%-9%.The present invention provides a kind of high-intensitive disk-shaped suspension glass insulators of 220KV high voltage power transmission, and glass material hardness is high, the certainly broken rate of glass insulator can be significantly reduced, and volume resistivity is high, can be applied in the ultra-high-tension power transmission line of 220V or more.

Description

220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method
Technical field
The present invention relates to a kind of glass insulator, the high-intensitive disc suspension glass of especially a kind of 220KV high voltage power transmission Insulator belongs to electrical equipment technical field.
Background technique
Glass insulator is widely used in field of electrical equipment at present, and glass insulator is after tempering is handled The high mechanical strength on surface layer, the electrical strength of glass generally remain unchanged during whole service, and ageing process is more slow than porcelain Much slower, glass insulator is scrapped mainly due to self-damage in the process of running, to find out its cause, the broken original of glass insulator Tempering processing is carried out in order to improve intensity because essentially consisting in, makes the tensile stress difference in glass insulator bearing stress and glass It is very big, overall structure can be made to damage so that glass glass insulator is after by extremely small destruction, made from broken Rate improves, and therefore, how to improve glass hardness itself, reduces the destruction of transportational process and extraneous dust storm to glass matrix, for Reduce glass insulator has epochmaking meaning from broken rate.In 220KV or more high voltage power transmission, the volume electricity of glass insulator Resistance rate has a significant impact to the service life of route running quality and insulator itself.The common material of glass insulator is sodium at present Lime glass material joined in glass manufacturing process and largely contain to reduce glass melting temperature and needs easy to form The material of sodium, but high soda-lime glass hardness is not high, and since sodium content is excessively high, the volume resistivity of glass itself is relatively low.Cause How this, improve the hardness of glass material, while improving the volume resistivity of glass, is a problem urgently to be resolved at present.
Summary of the invention
It is an object of the invention to: a kind of high-intensitive disk-shaped suspension glass insulator of 220KV high voltage power transmission, glass are provided Glass material hardness is high, can be significantly reduced glass insulator from broken rate, and volume resistivity is high, can be applied to 220V with On ultra-high-tension power transmission line in.
In order to achieve the above object, the technical solution adopted by the present invention are as follows: the high-intensitive disc suspension glass of 220KV high voltage power transmission Glass insulator, by weight percentage, the high intensity disk-shaped suspension glass insulator component content are as follows:
SiO2: 57%-70%；Al2O3:0.5%-1%；Na2O:1.9%-3.2%；K2O: 9%-13%；MgO:3%-8%；CaO:4%- 8%；SrO:2.5%-7%；Sb2O3: 0.8%-1.2%；ZrO2:4%-9%；Further, by weight percentage, the high intensity Disk-shaped suspension glass insulator component content is as follows: SiO2:56%-59%；Al2O3:0.8%-1%；Na2O:1.9%-2.1%； K2O: 10%-12%；MgO:5%-7%；CaO:6%-8%；SrO:4%-6%；Sb2O3: 0.8%-1.2%；ZrO2:5%-8%；Further , by weight percentage, the high intensity disk-shaped suspension glass insulator component content is as follows: SiO2:59.5%；Al2O3: 1%；Na2O:2%；K2O: 11%；MgO:6%；CaO:7.5%.SrO:5%；.
The present invention also provides a kind of 220KV high voltage power transmission manufacturing method of high-intensitive disk-shaped suspension glass insulator,
Step 1: will SiO2:56%-59% be contained by percentage to the quality；Al2O3:0.8%-1%；Na2O:1.9%-2.1%； K2O: 10%-12%；MgO:5%-7%；CaO:6%-8%；SrO:4%-6%；The raw material of Sb2O3:0.8%-1.2% mix according to the ratio Uniformly obtained mixture；
Step 2: by it is more than hour to be melted 10 in 1590 degree of furnace temperature of the investment of mixture made of the first step or more of smelting furnace, it will The glass metal being melting into comes out of the stove and by press compression moulding；
Step 3: second step glass insulator after molding is sent into anneal；
It is hanged up to 220KV high voltage power transmission with high-intensitive dish type step 4: the glass insulator after annealing is sent into annealing furnace tempering Formula glass insulator finished product.
Positive advantageous effects of the invention are: by using the substitution soda ash of raw material containing potassium as fluxing agent, drop The content of low glass insulator internal oxidition sodium introduces second order strontium in glass material, and by aluminium oxide: the composition ratio of sodium oxide molybdena Example is limited near 0.2:1, the volume resistivity of glass material is greatly improved, while zirconium oxide is introduced in glass, Improve glass material hardness while, also improve the resistivity of glass insulator, by optimize glass insulator material at Part, keep the electric property of insulator itself more excellent, so that glass insulator provided by the invention is more suitable and apply On the high-tension line of 220kv or more, and glass insulator material hardness provided by the invention is much higher than common soda lime glass Material hardness, can to avoid because of subtle damage caused by dust storm or transportational process, reduce glass insulator from broken rate, it is special Not Shi Heyongyu bad environments, dust storm influence major region high voltage transmission line road.
Specific embodiment
In order to more fully explain implementation of the invention, embodiment of the invention is provided, these embodiments are only To elaboration of the invention, do not limit the scope of the invention.
The following table is the composition list of embodiment 1-4 and comparison glass, comparison glass is that current glass insulator is common Soda-lime glass, antimony oxide therein are to eliminate set by microvesicle in fusion processes, therefore the content of antimony keeps one in each embodiment It causes:
Using quartz sand, potassium feldspar, soda ash, dolomite, strontium carbonate, sodium pyroantimonate and zirconium English powder as glass in the present embodiment Glass raw material, each raw material composition see the table below:
According to each embodiment composition calculate each embodiment material side is as follows, numerical value unit is gram in table:
Each glass material raw material are uniformly mixed according to a ratio obtained mixture by material side in upper table, are in furnace temperature by mixture Glass metal is injected in mold after being melted 12 hours in 1600 degree of crucible furnaces, is annealed in the lehr after demoulding, it finally will annealing Glass insulator afterwards is sent into annealing furnace and carries out tempering processing, and the result after testing gained finished product see the table below:
As can be seen from the above table, by reducing sodium oxide molybdena in glass, after the content for increasing zirconium oxide and strontium oxide strontia, the volume of glass Resistivity improves two orders of magnitude, and bending strength increases one times, obtains well-behaved glass insulator, and embodiment 4 after increasing potassium oxide, strontium carbonate and calcium-magnesium content, and the fusing point of glass is consistent with comparison glass substantially, but volume resistance Rate and bending strength are increased dramatically, and obtain good technical effect.
The present invention, as fluxing agent, reduces containing for glass insulator internal oxidition sodium by using the substitution soda ash of raw material containing potassium Amount introduces second order strontium in glass material, and by aluminium oxide: the component ratio of sodium oxide molybdena is limited near 0.2:1, significantly The volume resistivity of glass material is improved, while introducing zirconium oxide in glass, while improving glass material hardness, The resistivity for improving glass insulator makes the electric property of insulator itself by optimizing the material composition of glass insulator It is more excellent, so that glass insulator provided by the invention is more suitable and applies on the high-tension line of 220kv or more, and this The glass insulator material hardness that invention provides is much higher than the material hardness of common soda lime glass, can be to avoid because of dust storm or transport Subtle damage caused by the process reduces the certainly broken rate of glass insulator, and particularly suitable for bad environments, dust storm influences the earth The high voltage transmission line road in area.
After the embodiment that the present invention will be described in detail, one of ordinary skilled in the art is clearly understood that, is not being taken off It is lower from above-mentioned claim and spirit to carry out various change and modify, it is all according to the technical essence of the invention to the above reality Any simple modification, equivalent change and modification made by example are applied, belong to the range of technical solution of the present invention, and the present invention is also not It is limited to the embodiment of example in specification.

Claims (4)

  1. The high-intensitive disk-shaped suspension glass insulator of 1.220KV high voltage power transmission, it is characterised in that: by weight percentage, described High-intensitive disk-shaped suspension glass insulator component content is as follows:
    SiO2: 57%-70%；
    Al2O3:0.5%-1%；
    Na2O:1.9%-3.2%；
    K2O: 9%-13%；
    MgO:3%-8%；
    CaO:4%-8%；
    SrO:2.5%-7%；
    Sb2O3: 0.8%-1.2%
    ZrO2:4%-9%.
  2. 2. the high-intensitive disk-shaped suspension glass insulator of 220KV high voltage power transmission according to claim 1, it is characterised in that: By weight percentage, the high-intensitive disk-shaped suspension glass insulator component content is as follows:
    SiO2: 56%-59%；
    Al2O3:0.8%-1%；
    Na2O:1.9%-2.1%；
    K2O: 10%-12%；
    MgO:5%-7%；
    CaO:6%-8%；
    SrO:4%-6%；
    Sb2O3: 0.8%-1.2%
    ZrO2:5%-8%.
  3. 3. the high-intensitive disk-shaped suspension glass insulator of 220KV high voltage power transmission according to claim 1, it is characterised in that: By weight percentage, the high-intensitive disk-shaped suspension glass insulator component content is as follows:
    SiO2:59.5%；
    Al2O3:1%；
    Na2O:2%；
    K2O: 11%；
    MgO:6%；
    CaO:7.5%；
    SrO:5%；
    Sb2O3: 1%
    ZrO2:7%.
  4. 4. a kind of 220KV high voltage power transmission manufacturing method of high-intensitive disk-shaped suspension glass insulator, using claim 1 to appointing The high-intensitive disk-shaped suspension glass insulator of 220KV high voltage power transmission described in one, it is characterised in that: the following steps are included:
    Step 1: will SiO2:56%-59% be contained by percentage to the quality；Al2O3:0.8%-1%；Na2O:1.9%-2.1%； K2O: 10%-12%；MgO:5%-7%；CaO:6%-8%；SrO:4%-6%；Sb2O3: 0.8%-1.2%；The former material of ZrO2:4%-9% Material is uniformly mixed according to a ratio obtained mixture；
    Step 2: by it is more than hour to be melted 10 in 1590 degree of furnace temperature of the investment of mixture made of the first step or more of smelting furnace, it will The glass metal being melting into comes out of the stove and by press compression moulding；
    Step 3: second step glass insulator after molding is sent into anneal；
    Step 4: the glass insulator after annealing is sent into after annealing furnace tempering up to the high-intensitive dish type of 220KV high voltage power transmission Glass cap and pin insulator finished product.
CN201811183522.4A 2018-10-11 2018-10-11 220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method Pending CN109250905A (en)

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CN201811183522.4A CN109250905A (en) 2018-10-11 2018-10-11 220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method

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Application Number Priority Date Filing Date Title
CN201811183522.4A CN109250905A (en) 2018-10-11 2018-10-11 220KV high voltage power transmission high-intensitive disk-shaped suspension glass insulator and its manufacturing method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111724953A (en) * 2020-06-28 2020-09-29 三瑞科技(江西)有限公司 Forming and toughening production of toughened glass insulator
CN113213734A (en) * 2021-05-27 2021-08-06 三瑞科技(江西)有限公司 High-strength glass insulator material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1199713A (en) * 1997-01-17 1998-11-25 圣戈班玻璃制造公司 Silica-soda-lime glass, compositions and their applications
CN101475308A (en) * 2009-02-04 2009-07-08 南京电气（集团）有限责任公司 Glass formula for producing direct current glass insulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1199713A (en) * 1997-01-17 1998-11-25 圣戈班玻璃制造公司 Silica-soda-lime glass, compositions and their applications
CN101475308A (en) * 2009-02-04 2009-07-08 南京电气（集团）有限责任公司 Glass formula for producing direct current glass insulator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111724953A (en) * 2020-06-28 2020-09-29 三瑞科技(江西)有限公司 Forming and toughening production of toughened glass insulator
CN113213734A (en) * 2021-05-27 2021-08-06 三瑞科技(江西)有限公司 High-strength glass insulator material

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