CN105294063A - Formula of high-strength porcelain for manufacturing of suspension porcelain insulator - Google Patents
Formula of high-strength porcelain for manufacturing of suspension porcelain insulator Download PDFInfo
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- CN105294063A CN105294063A CN201510853153.5A CN201510853153A CN105294063A CN 105294063 A CN105294063 A CN 105294063A CN 201510853153 A CN201510853153 A CN 201510853153A CN 105294063 A CN105294063 A CN 105294063A
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Abstract
The invention discloses a formula of high-strength porcelain for manufacturing of a suspension porcelain insulator. The high-strength porcelain consists of the following ingredients in parts by weight: 25-55 parts of clay, 10-45 parts of bauxite and 8-25 parts of feldspar, wherein clay consists of the following ingredients in parts by weight; 10-30 parts of ashtree clay produced in Shulan County, Jilin Province, 1-15 parts of Faku clay produced in Faku County, Shenyang Province, Zhongxin clay produced in Kuancheng County, Chengde City, 1-20 parts of Jiayao clay produced in Xinhui District, Jiangmen City, 1-10 parts of Guangdong white clay produced in Qingyuan City and 1-8 parts of Guangdong black clay produced in Huizhou City. Through adoption of the formula, the drying intensity can be improved, the drying difficulty of clay can be reduced, the bending strength and the performance of fired porcelain can be improved, the electromechanical failure load dispersity of the insulator can be reduced, and the running security of a grid can be improved.
Description
Technical field
The invention belongs to electroceramics technical field, be specifically related to a kind of high strength china formula for the manufacture of suspended porcelain insulator.
Background technology
Along with the development of national economy, the carrying out that power grid construction is also like a raging fire.Defeated, power transformation circuit as electrical network important component part is more and more higher to the quality of insulator, reliability requirement.Therefore, study a kind of porcelain insulator that is reliable, high strength and become the task of top priority.Existing insulator producer, major part is still according to nearby principle, use the Low-quality clay of higher proportion, adding portion quartz sand, do not add or adds the bauxitic clay mode inferior of minute quantity and produce suspended porcelain insulator, its result is exactly: the porcelain poor-performing after burning till, porcelain intensity generally compared with low, porcelain insulator dispersiveness greatly, the safe operation of serious threat electrical network.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, provides a kind of high strength china formula for the manufacture of suspended porcelain insulator.
In order to achieve the above object, technical scheme provided by the invention is:
The described high strength china formula for the manufacture of suspended porcelain insulator is made up of the component of following weight part:
Clay 25-55, bauxitic clay 10-45, feldspar 8-25; Described clay is made up of the component of following weight part: Shulan county, Jilin produces Cortex Fraxini mandshuricae clay 10-30, product Faku County, Faku County, Shenyang City clay 1-15, Kuan Cheng county, Chengde produces faithful and honest clay 5-18, good kiln clay 1-20 is produced in Jiangmen city Xinhui District, Qingyuan City produces Guangdong white clay 1-10, product Guangdong, Huizhou City black mud 1-8.
Different areas clay component, performance difference are as table 1:
Table 2
Preferably, described formula is also added with the lignin softening agent of formula total mass 0.1%-0.3%, ensures that formula has higher plasticity.
Preferably, Shulan county, described Jilin to produce in Cortex Fraxini mandshuricae clay impurity not higher than 5.0%, plasticity number is not less than 14, drying transverse strength is not less than 1.8MPa; In product Faku County, Faku County, described Shenyang City clay impurity not higher than 7.0%, plasticity number is not less than 18, drying transverse strength is not less than 1.8MPa; Kuan Cheng county, Chengde to produce in faithful and honest clay impurity not higher than 5.0%, plasticity number is not less than 18, drying transverse strength is not less than 1.8MPa; Jiangmen city Xinhui District to produce in good kiln clay impurity not higher than 3.0%, plasticity number is not less than 20, drying transverse strength is not less than 2.0MPa; Qingyuan City to produce in Guangdong white clay impurity not higher than 5.0%, plasticity number is not less than 15, drying transverse strength is not less than 1.6MPa; In the black mud of product Guangdong, Huizhou City impurity not higher than 5.0%, plasticity number is not less than 15, drying transverse strength is not less than 1.6MPa.
Preferably, the calcining temperature of described bauxitic clay is not less than 1500 DEG C, alumina content is not less than 82%, true specific gravity is not less than 3.50g/cm
3, enter factory's largest particle and be not more than 45 μm.
Preferably, in described feldspar potassium oxide content be not less than 9.5%, iron oxide content not higher than 0.50%, enter factory's particle and be not more than 125 μm.
Described formula plasticity number is not less than 0.5, and formula drying transverse strength is not less than 5.0MPa; Porcelain bending strength after formula burns till is as follows: be not less than 160MPa without glaze, glazing is not less than 180MPa, burn till rear porcelain bulk specific gravity and be not less than 2.45g/cm
3, water-intake rate not higher than 0.08%, open porosity is higher than 0.15%.
High strength china: according to GB " GB/T8411.1-2008: pottery and vitreous insulating material first part: definition and classification ", code name is the aluminium matter high-strength ceramic of C130, for non-fire resistive material, feldspar flux, aluminum oxide are main skeleton particle, impermeable, its intensity is greater than 160MPa.The technology of the present invention and prior art significant parameter are to such as table 1:
Table 1
High strength china formula for the manufacture of suspended porcelain insulator of the present invention is formed primarily of clay, feldspar and bauxitic clay; It is characterized in that the tonerde employing lower ratio, and several clay is carried out rational proportion.Employ higher proportion fine aluminum alumina.Employ certain proportion high-quality feldspar raw material.Tonerde is mainly manifested in that impurity is few, plasticity-is high, associativity is good, has introduced several different clay simultaneously and has carried out rational proportion, having reduced the impact of certain raw clay on performance formula.Employ a certain proportion of softening agent, ensure that formula has higher plasticity, softening agent is industrial chemicals, only needs to add the softening agent of minute quantity, just can the plasticity of filling a prescription of raising by a relatively large margin.Fine aluminum alumina raw is mainly manifested in that calcining temperature is high, particle is little, true specific gravity is high, alumina content is high.High-quality feldspar raw material is mainly manifested in that potassium oxide content is high, particle is little, iron level is low.By the way, the present invention can improve clay drying bending strength, reduces dry difficulty, improves the porcelain bending strength after burning till, improves the porcelain performance after burning till, to reduce the electromechanical failure load of insulator dispersed.
High strength china formula for the manufacture of suspended porcelain insulator of the present invention can improve clay drying intensity, reduces dry difficulty, improves the porcelain bending strength after burning till, improves the porcelain performance after burning till, reduce the security that the electromechanical failure load of insulator is dispersed, improve operation of power networks.
Embodiment
By through the qualified above-mentioned raw materials of incoming test, reject raw material contained humidity, according to determining that ratio carries out proportioning.
Embodiment 1
The described high strength china formula for the manufacture of suspended porcelain insulator is made up of the component of following weight part:
Clay 49, bauxitic clay 33, potassium felspar sand 18; Described clay is made up of the component of following weight part: Shulan county, Jilin produces Cortex Fraxini mandshuricae clay 11, product Faku County, Faku County, Shenyang City clay 10, Kuan Cheng county, Chengde produces faithful and honest clay 5, and good kiln clay 11 is produced in Jiangmen city Xinhui District, Qingyuan City produces Guangdong white clay 6, product Guangdong, Huizhou City black mud 6; The lignin softening agent of formula total mass 0.2% is added in described formula.
Embodiment 2
The described high strength china formula for the manufacture of suspended porcelain insulator is made up of the component of following weight part:
Clay 51, bauxitic clay 32, potassium felspar sand 17; Described clay is made up of the component of following weight part: Shulan county, Jilin produces Cortex Fraxini mandshuricae clay 11, product Faku County, Faku County, Shenyang City clay 4, Kuan Cheng county, Chengde produces faithful and honest clay 6, and good kiln clay 15 is produced in Jiangmen city Xinhui District, Qingyuan City produces Guangdong white clay 8, product Guangdong, Huizhou City black mud 7; The lignin softening agent of formula total mass 0.2% is added in described formula.
Claims (6)
1. for the manufacture of a high strength china formula for suspended porcelain insulator, it is characterized in that, described formula is made up of the component of following weight part:
Clay 25-55, bauxitic clay 10-45, feldspar 8-25; Described clay is made up of the component of following weight part: Shulan county, Jilin produces Cortex Fraxini mandshuricae clay 10-30, product Faku County, Faku County, Shenyang City clay 1-15, Kuan Cheng county, Chengde produces faithful and honest clay 5-18, good kiln clay 1-20 is produced in Jiangmen city Xinhui District, Qingyuan City produces Guangdong white clay 1-10, product Guangdong, Huizhou City black mud 1-8.
2. fill a prescription as claimed in claim 1, it is characterized in that, described formula is also added with the lignin softening agent of formula total mass 0.1%-0.3%.
3. fill a prescription as claimed in claim 1, it is characterized in that, Shulan county, described Jilin to produce in Cortex Fraxini mandshuricae clay impurity not higher than 5.0%, plasticity number is not less than 14, drying transverse strength is not less than 1.8MPa; In product Faku County, Faku County, described Shenyang City clay impurity not higher than 7.0%, plasticity number is not less than 18, drying transverse strength is not less than 1.8MPa; Kuan Cheng county, Chengde to produce in faithful and honest clay impurity not higher than 5.0%, plasticity number is not less than 18, drying transverse strength is not less than 1.8MPa; Jiangmen city Xinhui District to produce in good kiln clay impurity not higher than 3.0%, plasticity number is not less than 20, drying transverse strength is not less than 2.0MPa; Qingyuan City to produce in Guangdong white clay impurity not higher than 5.0%, plasticity number is not less than 15, drying transverse strength is not less than 1.6MPa; In the black mud of product Guangdong, Huizhou City impurity not higher than 5.0%, plasticity number is not less than 15, drying transverse strength is not less than 1.6MPa.
4. fill a prescription as claimed in claim 1, it is characterized in that, the calcining temperature of described bauxitic clay is not less than 1500 DEG C, alumina content is not less than 82%, true specific gravity is not less than 3.50g/cm
3, enter factory's largest particle and be not more than 45 μm.
5. fill a prescription as claimed in claim 1, it is characterized in that, in described feldspar potassium oxide content be not less than 9.5%, iron oxide content not higher than 0.50%, enter factory's particle and be not more than 125 μm.
6. the formula as described in any one of claim 1 to 5, is characterized in that, described formula plasticity number is not less than 0.5, and formula drying transverse strength is not less than 5.0MPa; Porcelain bending strength after formula burns till is as follows: be not less than 160MPa without glaze, glazing is not less than 180MPa, burn till rear porcelain bulk specific gravity and be not less than 2.45g/cm
3, water-intake rate not higher than 0.08%, open porosity is higher than 0.15%.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698173A (en) * | 2020-05-21 | 2021-11-26 | 大连电瓷集团输变电材料有限公司 | High-aluminum high-strength electroceramic blank formula |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724454A (en) * | 2005-06-30 | 2006-01-25 | 河南省京平电瓷电器有限公司 | Formula of high strength electroceramice |
| CN103553566A (en) * | 2013-11-01 | 2014-02-05 | 河南省德立泰高压电瓷电器有限公司 | Preparation method of material for electrical porcelain body and electrical porcelain body |
| CN104276807A (en) * | 2014-09-10 | 2015-01-14 | 萍乡市海克拉斯电瓷有限公司 | Electric ceramic blank |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724454A (en) * | 2005-06-30 | 2006-01-25 | 河南省京平电瓷电器有限公司 | Formula of high strength electroceramice |
| CN103553566A (en) * | 2013-11-01 | 2014-02-05 | 河南省德立泰高压电瓷电器有限公司 | Preparation method of material for electrical porcelain body and electrical porcelain body |
| CN104276807A (en) * | 2014-09-10 | 2015-01-14 | 萍乡市海克拉斯电瓷有限公司 | Electric ceramic blank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113698173A (en) * | 2020-05-21 | 2021-11-26 | 大连电瓷集团输变电材料有限公司 | High-aluminum high-strength electroceramic blank formula |
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