CN107399958A - A kind of porcelain bushing shell and preparation method thereof - Google Patents

A kind of porcelain bushing shell and preparation method thereof Download PDF

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Publication number
CN107399958A
CN107399958A CN201710672825.1A CN201710672825A CN107399958A CN 107399958 A CN107399958 A CN 107399958A CN 201710672825 A CN201710672825 A CN 201710672825A CN 107399958 A CN107399958 A CN 107399958A
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parts
temperature
porcelain bushing
preparation
slag
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金光箭
金永忠
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Hunan Liling Jade Electric Porcelain Co Ltd
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Hunan Liling Jade Electric Porcelain Co Ltd
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    • C04B33/00—Clay-wares
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
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    • C04B2235/3427—Silicates other than clay, e.g. water glass
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    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
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Abstract

The invention discloses a kind of porcelain bushing shell and preparation method thereof, the raw material of the following parts by weight of porcelain bushing shell is made：MgO, SiO2, CaSiO3, glass dust, alumina-silicate ceramic fibre, feldspar, illite, clay, mineralizer, zirconyl chloride solution, yttria solution, ammonia spirit, polyethylene glycol, hydrochloric acid solution, water, absolute ethyl alcohol, pore creating material part, setting agent part, preparation method of the invention include preparing zirconia ceramics powder, prepare old pug, mud refining, shaping, dry, dress burning；By using pore creating material and setting agent green compact are made in the present invention, and the higher porcelain bushing of mechanical properties strength is prepared after green compact are calcined again, while can not only improve the qualification rate of insulator, make properties of product excellent, stably, and energy-efficient and environmentally friendly.

Description

A kind of porcelain bushing shell and preparation method thereof
Technical field
The present invention relates to porcelain bushing shell technical field, specially a kind of porcelain bushing shell and preparation method thereof.
Background technology
At present, as China's electric power industry development is rapid, to solve China's energy and electric load skewness, superelevation Pressure, the construction of extra-high voltage grid are to realize the application of long-distance and large-capacity power transmission, realize that high efficiency of energy uses, resource optimization is matched somebody with somebody Put, environmental protection, tool is of great significance.In super-pressure, the big insulator production process of extra-high voltage high intensity, using wet method Shaping, very high to Recipe performance requirement, current most producers all use dry process for forming, using secondary batching, For Ball-milling Time up to more than 20 hours, mud processed used spray drying granulation, isostatic pressed slug press, and blank is molded using dry finishing, reduction Flame firing process.To solve the quality problems that high, large product wet moulding blank is yielding, ftractures, improve manufacturing process and close Lattice rate, all expect a kind of effective ways and tooling device for having breakthrough in technique, solving production process quality problems.
The content of the invention
The present invention provides a kind of porcelain bushing shell and preparation method thereof, green compact is made by using pore creating material and setting agent, by life The higher porcelain bushing of mechanical properties strength is prepared in base after calcining again, while can not only improve the qualification rate of insulator, Make properties of product excellent, stably, and it is energy-efficient and environmentally friendly, can effectively solve the problems, such as in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of porcelain bushing shell, the following parts by weight of porcelain bushing shell Raw material be made：MgO10-25 parts, SiO210-25 parts, CaSiO35-15 parts, glass dust 5-10 parts, alumina-silicate ceramic fibre 15- 20 parts, feldspar 5-8 parts, illite 6-10 parts, clay 30-40 parts, mineralizer 2-5 parts, zirconyl chloride solution 10-20 parts, oxidation Yttrium solution 4-6 parts, ammonia spirit 4-6 parts, polyethylene glycol 4-6 parts, hydrochloric acid solution 6-8 parts, water 10-20 parts, absolute ethyl alcohol 2-4 Part, 1 part of pore creating material, 1 part of setting agent.
A kind of insulator tube preparation method, comprises the following steps：
1）Zirconia ceramics powder：Hydrochloric acid solution is added into yttria solution, generates yttrium chloride solution；By yttrium chloride solution, After zirconyl chloride solution and polyethylene glycol mixing, ammonia spirit, generation yttrium hydroxide precipitation and precipitated zirconium hydroxide are instilled；By hydrogen Yittrium oxide is precipitated and precipitated zirconium hydroxide is washed and filtered, then is cleaned and dried using absolute ethyl alcohol, before obtaining zirconia ceramics Drive body；Zirconia ceramics presoma is scattered in absolute ethyl alcohol, after drying and calcining, ball milling is carried out, obtains zirconia ceramics Powder；
2）Prepare pug：Raw material is weighed according to above-mentioned raw materials proportioning, by feldspar, illite and mullite and the mixture of corundum First it is sanded, and it is 340 mesh screen residue 0.02-0.08 to control fineness, then plus water is tuned into slurry, then once feeds intake, will expect Slurry is incorporated clay and mineralizer, mixing and ball milling 3.0-4.0 hours again, and it is 250 mesh screen residue 0.4-0.8 to control fineness, then passes through Repeatedly sieving, multiple iron removaling, press filt and secondary thick white silk, it is finally old to be no less than 120 hours；
3）Mud refining is old：Pug is put into pugging in vacuum deairing machine；Dried in the shade again by electricity and the pug after pugging be dried, Old processing after drying.
4）Shaping：Then pore creating material and setting agent are added, is molded using inside and outside model turning machine repaired biscuit；
5）Dry：Then carry out nature to dry in the shade, then enter back into drying room drying；
6）Dress burns：The method hung afterwards using first sitting enters luggage base, and wherein sintering temperature is 1208-1218 DEG C, including burns till Stage：When temperature for burn firing temperature~650 DEG C, programming rate be 20-30 DEG C/h, when temperature be 650 DEG C -990 DEG C, rise Warm speed is 50-60 DEG C/h；Holding stage：Temperature is 990 DEG C；Sintering stage：Temperature is 990 DEG C~sintering temperature, heating 20-30 DEG C/h of speed；Sintering temperature is incubated, and temperature is 1208-1218 DEG C；Cooling stage, when temperature is truce temperature -900 DEG C, -105 DEG C~-110 DEG C/h of cooling velocity；When temperature is 900 DEG C~120 DEG C, cooling velocity is -20 DEG C/h.
According to above-mentioned technical proposal, the mineralizer, its preparation process：It is included in Copper making to make in sulphur smelting technology, adds Enter silica adjustment slag composition, ensure SiO2 in slag：FeO=1:(1.9-2.1)；By mass percentage, control in slag It is 60%-62% and iron oxide that flux total amount, which is less than 1%, calcium oxide 6%-8%, silica 26%-28%, ferrous oxide, Content is less than 3%；Slag is cooled to 1000-1050 °C, then water extraction is cooled to room temperature；The slag that will be cooled to room temperature again is finely ground to d50<20 μm and d90<60 μm, non-ferrous metal copper is reclaimed, makes to aoxidize copper content in slag less than 0.75%.
According to above-mentioned technical proposal, the pore creating material, its preparation method includes：Anhydrous sorbitol is used as precursor structure, By reactive grafting APEO in its part of hydroxyl, add hydrophobic grouping and reacted with residual hydroxyl, so as to obtain use In the pore creating material for preparing reticulated porous materials, comprise the following steps that：First stage, anhydrous sorbitol and APEO are mixed Close, and the sodium hydroxide for adding mixture quality 1.0%-3.0% stirs as catalyst in 120-150 °C of oil bath pan React 9-10h；Second stage, hydrophobic grouping is added in the reaction product of previous step, and add mixture quality 0.5%- 1.0% sodium hydroxide is as catalyst, the then stirring reaction 4-5h at a temperature of 60-90 °C, so as to obtain pore creating material.
According to above-mentioned technical proposal, the preparation method of the setting agent is by butanone, dispersant vinyl chloride-vinyl acetate resin and curing agent Cumyl peroxide is added in agitator, and stirring 3-5 minutes make it well mixed, then add expandability polyphenyl while stirring Vinylic foam；After the completion of charging, persistently being stirred 20-45 minutes at 10-30 DEG C, speed of agitator is 500-1000 revs/min, Filtering, obtains selvedge sizing agent.
According to above-mentioned technical proposal, the step 5）The temperature of drying room is 160 °C -180 °C when drying.
According to above-mentioned technical proposal, the step 6）It is middle first sit the method hung afterwards and enter luggage base be：Blank is first mounted in kiln Be laid flat on car, fill in it is straight after be fired, when blank burns till certain temperature, blank is lifted by crane, it is 230- to hang burning height 280mm, then be fired.
Compared with prior art, beneficial effects of the present invention：Green compact are made by using pore creating material and setting agent, by green compact The higher porcelain bushing of mechanical properties strength is prepared after calcining again, while the qualification rate of insulator can not only be improved, makes Properties of product are excellent, stably, and energy-efficient and environmentally friendly.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention Apply example to be used to explain the present invention together, be not construed as limiting the invention.
In the accompanying drawings：
Fig. 1 is the preparation flow figure of the present invention.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1：As shown in figure 1, the present invention provides a kind of porcelain bushing shell, the raw material system of the following parts by weight of porcelain bushing shell Into：MgO10 parts, SiO210 parts, CaSiO35 parts, 5 parts of glass dust, 15 parts of alumina-silicate ceramic fibre, 5 parts of feldspar, 6 parts of illite, 30 parts of clay, 2 parts of mineralizer, 10 parts of zirconyl chloride solution, 4 parts of yttria solution, 4 parts of ammonia spirit, 4 parts of polyethylene glycol, salt 6 parts of acid solution, 10 parts of water, 2 parts of absolute ethyl alcohol, 1 part of pore creating material, 1 part of setting agent.
A kind of insulator tube preparation method, comprises the following steps：
1）Zirconia ceramics powder：Hydrochloric acid solution is added into yttria solution, generates yttrium chloride solution；By yttrium chloride solution, After zirconyl chloride solution and polyethylene glycol mixing, ammonia spirit, generation yttrium hydroxide precipitation and precipitated zirconium hydroxide are instilled；By hydrogen Yittrium oxide is precipitated and precipitated zirconium hydroxide is washed and filtered, then is cleaned and dried using absolute ethyl alcohol, before obtaining zirconia ceramics Drive body；Zirconia ceramics presoma is scattered in absolute ethyl alcohol, after drying and calcining, ball milling is carried out, obtains zirconia ceramics Powder；
2）Prepare pug：Raw material is weighed according to above-mentioned raw materials proportioning, by feldspar, illite and mullite and the mixture of corundum First it is sanded, and it is 340 mesh screen residue 0.02-0.08 to control fineness, then plus water is tuned into slurry, then once feeds intake, will expect Slurry is incorporated clay and mineralizer, mixing and ball milling 3.0-4.0 hours again, and it is 250 mesh screen residue 0.4-0.8 to control fineness, then passes through Repeatedly sieving, multiple iron removaling, press filt and secondary thick white silk, it is finally old to be no less than 120 hours；
3）Mud refining is old：Pug is put into pugging in vacuum deairing machine；Dried in the shade again by electricity and the pug after pugging be dried, Old processing after drying.
4）Shaping：Then pore creating material and setting agent are added, is molded using inside and outside model turning machine repaired biscuit；
5）Dry：Then carry out nature to dry in the shade, then enter back into drying room drying；
6）Dress burns：The method hung afterwards using first sitting enters luggage base, and wherein sintering temperature is 1208-1218 DEG C, including burns till Stage：When temperature for burn firing temperature~650 DEG C, programming rate be 20-30 DEG C/h, when temperature be 650 DEG C -990 DEG C, rise Warm speed is 50-60 DEG C/h；Holding stage：Temperature is 990 DEG C；Sintering stage：Temperature is 990 DEG C~sintering temperature, heating 20-30 DEG C/h of speed；Sintering temperature is incubated, and temperature is 1208-1218 DEG C；Cooling stage, when temperature is truce temperature -900 DEG C, -105 DEG C~-110 DEG C/h of cooling velocity；When temperature is 900 DEG C~120 DEG C, cooling velocity is -20 DEG C/h.
According to above-mentioned technical proposal, the mineralizer, its preparation process：It is included in Copper making to make in sulphur smelting technology, adds Enter silica adjustment slag composition, ensure SiO2 in slag：FeO=1:(1.9-2.1)；By mass percentage, control in slag It is 60%-62% and iron oxide that flux total amount, which is less than 1%, calcium oxide 6%-8%, silica 26%-28%, ferrous oxide, Content is less than 3%；Slag is cooled to 1000-1050 °C, then water extraction is cooled to room temperature；The slag that will be cooled to room temperature again is finely ground to d50<20 μm and d90<60 μm, non-ferrous metal copper is reclaimed, makes to aoxidize copper content in slag less than 0.75%.
According to above-mentioned technical proposal, the pore creating material, its preparation method includes：Anhydrous sorbitol is used as precursor structure, By reactive grafting APEO in its part of hydroxyl, add hydrophobic grouping and reacted with residual hydroxyl, so as to obtain use In the pore creating material for preparing reticulated porous materials, comprise the following steps that：First stage, anhydrous sorbitol and APEO are mixed Close, and the sodium hydroxide for adding mixture quality 1.0%-3.0% stirs as catalyst in 120-150 °C of oil bath pan React 9-10h；Second stage, hydrophobic grouping is added in the reaction product of previous step, and add mixture quality 0.5%- 1.0% sodium hydroxide is as catalyst, the then stirring reaction 4-5h at a temperature of 60-90 °C, so as to obtain pore creating material.
According to above-mentioned technical proposal, the preparation method of the setting agent is by butanone, dispersant vinyl chloride-vinyl acetate resin and curing agent Cumyl peroxide is added in agitator, and stirring 3-5 minutes make it well mixed, then add expandability polyphenyl while stirring Vinylic foam；After the completion of charging, persistently being stirred 20-45 minutes at 10-30 DEG C, speed of agitator is 500-1000 revs/min, Filtering, obtains selvedge sizing agent.
According to above-mentioned technical proposal, the step 5）The temperature of drying room is 160 °C -180 °C when drying.
According to above-mentioned technical proposal, the step 6）It is middle first sit the method hung afterwards and enter luggage base be：Blank is first mounted in kiln Be laid flat on car, fill in it is straight after be fired, when blank burns till certain temperature, blank is lifted by crane, it is 230- to hang burning height 280mm, then be fired.
Embodiment 2：As shown in figure 1, the present invention provides a kind of porcelain bushing shell, the raw material system of the following parts by weight of porcelain bushing shell Into：MgO25 parts, SiO225 parts, CaSiO315 parts, 10 parts of glass dust, 20 parts of alumina-silicate ceramic fibre, 8 parts of feldspar, illite 10 Part, 40 parts of clay, 5 parts of mineralizer, 20 parts of zirconyl chloride solution, 6 parts of yttria solution, 6 parts of ammonia spirit, 6 parts of polyethylene glycol, 8 parts of hydrochloric acid solution, 20 parts of water, 4 parts of absolute ethyl alcohol, 1 part of pore creating material, 1 part of setting agent.
A kind of insulator tube preparation method, comprises the following steps：
1）Zirconia ceramics powder：Hydrochloric acid solution is added into yttria solution, generates yttrium chloride solution；By yttrium chloride solution, After zirconyl chloride solution and polyethylene glycol mixing, ammonia spirit, generation yttrium hydroxide precipitation and precipitated zirconium hydroxide are instilled；By hydrogen Yittrium oxide is precipitated and precipitated zirconium hydroxide is washed and filtered, then is cleaned and dried using absolute ethyl alcohol, before obtaining zirconia ceramics Drive body；Zirconia ceramics presoma is scattered in absolute ethyl alcohol, after drying and calcining, ball milling is carried out, obtains zirconia ceramics Powder；
2）Prepare pug：Raw material is weighed according to above-mentioned raw materials proportioning, by feldspar, illite and mullite and the mixture of corundum First it is sanded, and it is 340 mesh screen residue 0.02-0.08 to control fineness, then plus water is tuned into slurry, then once feeds intake, will expect Slurry is incorporated clay and mineralizer, mixing and ball milling 3.0-4.0 hours again, and it is 250 mesh screen residue 0.4-0.8 to control fineness, then passes through Repeatedly sieving, multiple iron removaling, press filt and secondary thick white silk, it is finally old to be no less than 120 hours；
3）Mud refining is old：Pug is put into pugging in vacuum deairing machine；Dried in the shade again by electricity and the pug after pugging be dried, Old processing after drying.
4）Shaping：Then pore creating material and setting agent are added, is molded using inside and outside model turning machine repaired biscuit；
5）Dry：Then carry out nature to dry in the shade, then enter back into drying room drying；
6）Dress burns：The method hung afterwards using first sitting enters luggage base, and wherein sintering temperature is 1208-1218 DEG C, including burns till Stage：When temperature for burn firing temperature~650 DEG C, programming rate be 20-30 DEG C/h, when temperature be 650 DEG C -990 DEG C, rise Warm speed is 50-60 DEG C/h；Holding stage：Temperature is 990 DEG C；Sintering stage：Temperature is 990 DEG C~sintering temperature, heating 20-30 DEG C/h of speed；Sintering temperature is incubated, and temperature is 1208-1218 DEG C；Cooling stage, when temperature is truce temperature -900 DEG C, -105 DEG C~-110 DEG C/h of cooling velocity；When temperature is 900 DEG C~120 DEG C, cooling velocity is -20 DEG C/h.
According to above-mentioned technical proposal, the mineralizer, its preparation process：It is included in Copper making to make in sulphur smelting technology, adds Enter silica adjustment slag composition, ensure SiO2 in slag：FeO=1:(1.9-2.1)；By mass percentage, control in slag It is 60%-62% and iron oxide that flux total amount, which is less than 1%, calcium oxide 6%-8%, silica 26%-28%, ferrous oxide, Content is less than 3%；Slag is cooled to 1000-1050 °C, then water extraction is cooled to room temperature；The slag that will be cooled to room temperature again is finely ground to d50<20 μm and d90<60 μm, non-ferrous metal copper is reclaimed, makes to aoxidize copper content in slag less than 0.75%.
According to above-mentioned technical proposal, the pore creating material, its preparation method includes：Anhydrous sorbitol is used as precursor structure, By reactive grafting APEO in its part of hydroxyl, add hydrophobic grouping and reacted with residual hydroxyl, so as to obtain use In the pore creating material for preparing reticulated porous materials, comprise the following steps that：First stage, anhydrous sorbitol and APEO are mixed Close, and the sodium hydroxide for adding mixture quality 1.0%-3.0% stirs as catalyst in 120-150 °C of oil bath pan React 9-10h；Second stage, hydrophobic grouping is added in the reaction product of previous step, and add mixture quality 0.5%- 1.0% sodium hydroxide is as catalyst, the then stirring reaction 4-5h at a temperature of 60-90 °C, so as to obtain pore creating material.
According to above-mentioned technical proposal, the preparation method of the setting agent is by butanone, dispersant vinyl chloride-vinyl acetate resin and curing agent Cumyl peroxide is added in agitator, and stirring 3-5 minutes make it well mixed, then add expandability polyphenyl while stirring Vinylic foam；After the completion of charging, persistently being stirred 20-45 minutes at 10-30 DEG C, speed of agitator is 500-1000 revs/min, Filtering, obtains selvedge sizing agent.
According to above-mentioned technical proposal, the step 5）The temperature of drying room is 160 °C -180 °C when drying.
According to above-mentioned technical proposal, the step 6）It is middle first sit the method hung afterwards and enter luggage base be：Blank is first mounted in kiln Be laid flat on car, fill in it is straight after be fired, when blank burns till certain temperature, blank is lifted by crane, it is 230- to hang burning height 280mm, then be fired.
Based on above-mentioned, it is an advantage of the current invention that green compact are made by using pore creating material and setting agent, green compact are forged again The higher porcelain bushing of mechanical properties strength is prepared after burning, while the qualification rate of insulator can not only be improved, makes product Can be excellent, stably, and it is energy-efficient and environmentally friendly.
Finally it should be noted that：The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, to the greatest extent The present invention is described in detail with reference to the foregoing embodiments for pipe, and for those skilled in the art, it still can be with Technical scheme described in foregoing embodiments is modified, or equivalent substitution is carried out to which part technical characteristic.It is all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., it should be included in the guarantor of the present invention Within the scope of shield.

Claims (7)

  1. A kind of 1. porcelain bushing shell, it is characterised in that：The raw material of the following parts by weight of porcelain bushing shell is made：MgO10-25 parts, SiO210- 25 parts, CaSiO35-15 parts, glass dust 5-10 parts, alumina-silicate ceramic fibre 15-20 parts, feldspar 5-8 parts, illite 6-10 parts, It is clay 30-40 parts, mineralizer 2-5 parts, zirconyl chloride solution 10-20 parts, yttria solution 4-6 parts, ammonia spirit 4-6 parts, poly- Ethylene glycol 4-6 parts, hydrochloric acid solution 6-8 parts, water 10-20 parts, absolute ethyl alcohol 2-4 parts, 1 part of pore creating material, 1 part of setting agent.
  2. A kind of 2. insulator tube preparation method, it is characterised in that：Comprise the following steps：
    1）Prepare zirconia ceramics powder：Hydrochloric acid solution is added into yttria solution, generates yttrium chloride solution；Yttrium chloride is molten After liquid, zirconyl chloride solution and polyethylene glycol mixing, ammonia spirit, generation yttrium hydroxide precipitation and precipitated zirconium hydroxide are instilled； Yttrium hydroxide precipitation and precipitated zirconium hydroxide are washed and filtered, then cleans and dries using absolute ethyl alcohol, obtains zirconium oxide pottery Porcelain presoma；Zirconia ceramics presoma is scattered in absolute ethyl alcohol, after drying and calcining, ball milling is carried out, obtains zirconium oxide Ceramic powder；
    2）Prepare pug：Raw material is weighed according to above-mentioned raw materials proportioning, by feldspar, illite and mullite and the mixture of corundum First it is sanded, and it is 340 mesh screen residue 0.02-0.08 to control fineness, then plus water is tuned into slurry, then once feeds intake, will expect Slurry is incorporated clay and mineralizer, mixing and ball milling 3.0-4.0 hours again, and it is 250 mesh screen residue 0.4-0.8 to control fineness, then passes through Repeatedly sieving, multiple iron removaling, press filt and secondary thick white silk, it is finally old to be no less than 120 hours；
    3）Mud refining is old：Pug is put into pugging in vacuum deairing machine；Dried in the shade again by electricity and the pug after pugging be dried, Old processing after drying；
    4）Shaping：Then pore creating material and setting agent are added, is molded using inside and outside model turning machine repaired biscuit；
    5）Dry：Then carry out nature to dry in the shade, then enter back into drying room drying；
    6）Dress burns：The method hung afterwards using first sitting enters luggage base, and wherein sintering temperature is 1208-1218 DEG C, including burns till Stage：When temperature for burn firing temperature~650 DEG C, programming rate be 20-30 DEG C/h, when temperature be 650 DEG C -990 DEG C, rise Warm speed is 50-60 DEG C/h；Holding stage：Temperature is 990 DEG C；Sintering stage：Temperature is 990 DEG C~sintering temperature, heating 20-30 DEG C/h of speed；Sintering temperature is incubated, and temperature is 1208-1218 DEG C；Cooling stage, when temperature is truce temperature -900 DEG C, -105 DEG C~-110 DEG C/h of cooling velocity；When temperature is 900 DEG C~120 DEG C, cooling velocity is -20 DEG C/h.
  3. A kind of 3. porcelain bushing shell according to claim 1, it is characterised in that：The mineralizer, its preparation process：It is included in copper Smelting is made in sulphur smelting technology, is added silica adjustment slag composition, is ensured SiO2 in slag：FeO=1:(1.9-2.1)；By matter Percentages are measured, control flux total amount in slag to be less than 1%, calcium oxide 6%-8%, silica 26%-28%, oxidation Asia Iron is 60%-62% and iron oxide content is less than 3%；Slag is cooled to 1000-1050 °C, then water extraction is cooled to room temperature；Again will The slag for being cooled to room temperature is finely ground to d50<20 μm and d90<60 μm, non-ferrous metal copper is reclaimed, makes oxidation copper content in slag small In 0.75%.
  4. A kind of 4. porcelain bushing shell according to claim 1, it is characterised in that：The pore creating material, its preparation method include：Using Anhydrous sorbitol is precursor structure, by reactive grafting APEO in its part of hydroxyl, adds hydrophobic grouping with remaining Remaining hydroxyl reaction, so as to obtain the pore creating material for preparing reticulated porous materials, comprise the following steps that：First stage, by dehydration Sorbierite mixes with APEO, and adds mixture quality 1.0%-3.0% sodium hydroxide as catalyst, in 120- Stirring reaction 9-10h in 150 °C of oil bath pan；Second stage, hydrophobic grouping is added in the reaction product of previous step, and added Mixture quality 0.5%-1.0% sodium hydroxide is as catalyst, the then stirring reaction 4-5h at a temperature of 60-90 °C, So as to obtain pore creating material.
  5. A kind of 5. porcelain bushing shell according to claim 1, it is characterised in that：The preparation method of the setting agent be by butanone, Dispersant vinyl chloride-vinyl acetate resin and curing agent cumyl peroxide are added in agitator, and stirring 3-5 minutes make it well mixed, then Polystyrene foamed plastics are added while stirring；After the completion of charging, persistently stirred 20-45 minutes at 10-30 DEG C, stirring Rotating speed is 500-1000 revs/min, filtering, obtains selvedge sizing agent.
  6. A kind of 6. insulator tube preparation method according to claim 2, it is characterised in that：The step 5）Drying room when drying Temperature is 160 °C -180 °C.
  7. A kind of 7. insulator tube preparation method according to claim 2, it is characterised in that：The step 6）It is middle first to sit what is hung afterwards Method enters luggage base：First blank is laid flat on the kiln car, fill in directly after be fired, when blank burns till certain temperature, Blank is lifted by crane, it is 230-280mm to hang burning height, then is fired.
CN201710672825.1A 2017-08-08 2017-08-08 A kind of porcelain bushing shell and preparation method thereof Pending CN107399958A (en)

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CN114409334A (en) * 2022-01-24 2022-04-29 武汉理工大学 Carbon mineralized material based on extrusion molding and preparation method thereof

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CN106542749A (en) * 2016-09-26 2017-03-29 西安建筑科技大学 A kind of pre-synthesis silica brick mineralizer and preparation method thereof
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CN102720062A (en) * 2012-06-14 2012-10-10 南通亿华塑胶有限公司 Preparation method of selvedge sizing agent
CN104513442A (en) * 2014-12-19 2015-04-15 湖北金牛管业有限公司 Formula of PVC electrical conduit capable of ceramization and method for preparing PVC electrical conduit
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CN110922157A (en) * 2019-12-18 2020-03-27 江西省萍乡市南坑高压电瓷有限公司 Electroceramic blank and manufacturing method thereof
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CN114409334B (en) * 2022-01-24 2022-12-13 武汉理工大学 Carbon mineralized material based on extrusion molding and preparation method thereof

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Application publication date: 20171128