CN105174920B - The production method of ceramic tile - Google Patents
The production method of ceramic tile Download PDFInfo
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- CN105174920B CN105174920B CN201510564243.2A CN201510564243A CN105174920B CN 105174920 B CN105174920 B CN 105174920B CN 201510564243 A CN201510564243 A CN 201510564243A CN 105174920 B CN105174920 B CN 105174920B
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Abstract
The present invention relates to a kind of production method of ceramic tile, it is characterized in that, comprise the following steps:(1)Raw material ball milling;(2)Raw material sieving after ball milling is removed into iron tramp;(3)Paraffin and oleic acid are added in raw material and is stirred;(4)Semicircular arc shaping tile is made in compression molding;(5)It is molded tile and excludes paraffin through high temperature;(6)Two shaping tiles are connected into annular shape by pad to be sintered in tunnel sintering furnace burner hearth;(7)Ceramic tile finished product is separated with pad, cleaning ceramic tile finished product.The present invention has advantages below:It is simple to operate;Magnesia is added in raw material so that the toughness enhancing after ceramic post sintering, avoid the scarce porcelain of ceramics in production process, lift ceramic qualification rate;Iron removaling is carried out to raw material, strengthens electric properties of ceramics;Two sheetmolding tiles are linked together sintering by pad, are effectively reduced deformation of products;The sintered density of ceramic tile is 3.65 ~ 3.7g/cm3, water absorption rate is less than 0.01%.
Description
Technical field
The present invention relates to a kind of production method of ceramic tile, belong to technical field of ceramic material.
Background technology
The high-abrasive material species used at present on ore deposit machine is various, substantially has following several:Have alloy as, Gao Ge, Gao Meng,
Also there are ceramics, also rubber, polyethylene, polyurethane etc..Potassium steel toughness is had a surplus and wearability is insufficient;All kinds of alloy white cast irons
Hardness is high, wearability is good, but toughness is poor, and security reliability is low;Middle low-alloy wear-resistant steel is between the above two, austempered ductile iron
Lack universal application at present, need further insight.And the non-metallic material such as alumina material, silicon nitride, toughened zirconium oxide
Material using the occasion impacted in high abrasion low angle than metal material using effect more preferably.
The production method of existing alumina ceramic wear resistant material is mainly by alundum (Al2O3), calcium carbonate, silica, kaolinite
The raw material such as soil and talcum powder mixes by a certain percentage, required ceramic idiosome is made using the mode of injection moulding, through de-waxing, height
The processes such as temperature sintering obtain required product.Using the product qualification rate of such a method production between 50 ~ 60%, cause not
The main reason for good, is impurity, deformation of products, lacks porcelain etc..
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, there is provided a kind of production method of ceramic tile, this
Kind method can effectively reduce the impurity of product, improve deformation of products, improve the qualification rate of product.
According to technical scheme provided by the invention, the production method of the ceramic tile, it is characterized in that, including following step
Suddenly:In terms of parts by weight,
(1)Raw material ball milling:By 90 ~ 94 parts of alundum (Al2O3)s, 1.5 ~ 2.5 parts of calcium carbonate, 1 ~ 2 part of silica, 3 ~ 4 parts of kaolinites
Soil, 1 ~ 3 part of talcum powder, 1 ~ 2 part of magnesia, 5 ~ 9 parts of bonding agents, 1 ~ 2 part of mould release, 1 ~ 3 part of dispersant and 1 ~ 2 part of defomaing agent fall
Enter and dry ball milling is carried out in ball mill, Ball-milling Time is 13 ~ 15 hours, and ballstone and powder weight ratio are 1:1, drum's speed of rotation
For 25 ~ 35r/min;After ball milling starts 3 hours, 0.2 ~ 0.3 part of oleic acid is added;
(2)Raw material sieving after ball milling is removed into iron tramp;
(3)1 ~ 3 part of paraffin and 0.5 ~ 1 part of oleic acid are added into raw material and is stirred, obtains slurry;
(4)Semicircular arc shaping tile is made in slurry compression molding;
(5)It is molded tile and excludes paraffin through high temperature;
(6)Sintering:
1. by carboxymethyl cellulose and water with 4.5 ~ 5.5:1 part by weight is mixed, and obtains mixed liquor, and will mixing
The corundum of liquid and 80 ~ 90 mesh is husky to press 3.5 ~ 4.5:1 weight obtains smearing slurry than mixing;
2. with 1.5 ~ 2.5g/cm on two longitudinal terminal surfaces of shaping tile2Uniformly paint smearing slurry;
3. by two shaping tile nocks are opposite and coaxial placement, it is molded between two longitudinal terminal surfaces of tile and places pad respectively
Two shaping tiles are connected into annulus, then will be molded tile and pad is put into the heating of tunnel sintering furnace burner hearth by piece, pad
Area;
4. will be molded tile pushes cooling zone, shaping watt to from the heating zone of tunnel sintering furnace burner hearth with pad by heating zone
Piece is sintered into ceramic tile finished product in heating zone, and the temperature of heating zone is 1530 ~ 1580 DEG C, often pushes away and once pushes ahead 20
~ 30mm, often push away and once take 3 ~ 5min, it be 40 ~ 50min often to push away an interval time, by the total time-consuming of heating zone be 10 ~
12h, the total time-consuming by heating zone are 3 ~ 4h, and the total time-consuming by cooling zone is 15 ~ 18h;
(7)Released from cooling zone two ceramic tile finished products are separated with pad, cleaning ceramic tile finished product.
Further, the step(1)The graininess powder that average grain diameter is 10 ~ 20 microns is obtained after raw material ball milling.
Further, it is described not rapid(2)Raw material sieving after ball milling is removed into iron tramp, is specially:By the original after ball milling
Material is put into 100 mesh vibratory sieves and removes bulky grain iron tramp.
Further, the step(3)Paraffin and oleic acid are added in raw material and is stirred, is concretely comprised the following steps:Paraffin is melted,
Oleic acid is added, then is added in the lump in mixer with the powder after removing iron tramp, stirs to form slurry, whipping temp 110 ~
160 DEG C, mixing time is 25 ~ 50 minutes;The slurry being stirred is transferred in de-airing mixer, 55 ~ 75 DEG C of whipping temp, vacuum
It is 3 ~ 5 hours to spend for -0.3 ~ 0.2MPa, mixing time;Slurry after vacuum stirring is put into stand-by in baking oven, holding constant temperature 90
~110℃。
Further, the step(4)Semicircular arc shaping tile is made in slurry compression molding, concretely comprises the following steps:
Using cylinder-pressing ceramics tile mould, mold temperature is kept for 25 ~ 35 DEG C;Slurry is poured into Hot-pressed injector, holding constant temperature 50 ~
55 DEG C, slurry is compressing by Hot-pressed injector injection mould, and pressure is maintained at 0.4 ~ 0.6MPa, and the dwell time is 3 ~ 5 seconds,
Shaping tile is taken out in the demoulding after release.
Further, the step(5)It is molded tile and excludes paraffin through high temperature, concretely comprises the following steps:Shaping tile is loaded
In saggar and adsorbent is added, the distance between shaping tile is kept, 500 ~ 550 DEG C is warming up to by 10 ~ 20 DEG C/h heating rate;
900 ~ 950 DEG C are warming up to 40 ~ 45 DEG C/h heating rate again, is incubated 0.5 ~ 1 hour;Then room temperature is naturally cooling to, is taken out
Tile is molded, removes the adsorbent of excess surface.
Further, the adsorbent is gamma-alumina, and dosage is 0.1 ~ 0.5 parts by weight.
Further, the spacer thickness is 0.45 ~ 0.55mm.
Further, the top end face of the shaping tile is 30 ~ 50mm apart from tunnel sintering furnace roof of the furnace.
Further, the step(7)Cleaning ceramic tile semi-finished product, are concretely comprised the following steps:By ceramic tile semi-finished product with
Triangle abrasive material is with 1:5 ~ 6 ratio is put into oscillating mill and ground 10 ~ 20 minutes, is subsequently poured into clear water, is stayed after rinsing grinding
In the impurity of ceramic tile surface of semi-finished.
The present invention has advantages below:It is simple to operate;Magnesia is added in raw material so that the toughness after ceramic post sintering increases
By force, the scarce porcelain of ceramics in production process is avoided, lifts ceramic qualification rate;Iron removaling is carried out to raw material, strengthens electric properties of ceramics;By two panels
Tile connects sintering with 0.45 ~ 0.55mm pads, is effectively reduced deformation of products;The sintered density of ceramic tile is
3.65~3.7g/cm3, water absorption rate is less than 0.01%.
Brief description of the drawings
Fig. 1 is the schematic diagram of product in sintering process of the present invention.
Sequence number in figure:It is molded tile 1, pad 2.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment one:A kind of production method of ceramic tile, comprises the following steps:
(1)Raw material ball milling:By 90 parts of alundum (Al2O3)s, 1.5 parts of calcium carbonate, 1 part of silica, 3.5 parts of kaolin, 1 part of cunning
Stone flour, 1 part of magnesia, 5 parts of bonding agents, 1 part of mould release, 3 parts of dispersants and 1 part of defomaing agent pour into progress dry method ball in ball mill
Mill, Ball-milling Time are 13 hours, and the ratio between ballstone and raw material weight are 1:1, drum's speed of rotation 25r/min;It is small to start 3 in ball milling
Shi Hou, add 0.2 part of activator oleic acid;Finally give the graininess powder that average grain diameter is 12 microns;
(2)Graininess powder after ball milling is put into 100 mesh vibratory sieves and removes bulky grain iron tramp;
(3)Powder after iron removaling is added in mixer, 1 part of paraffin is weighed and melts, screen out the residue melted in paraffin
And 0.5 part of oleic acid is added, put into mixer, stir to form slurry, keep 120 DEG C of constant temperature, mixing time is 25 points
Clock;The slurry being stirred is transferred in de-airing mixer, 55 DEG C of constant temperature is kept, stirs and vacuumize, vacuum is -0.1MPa,
Mixing time is 3 hours;Slurry after vacuum stirring is put into stand-by in baking oven, 100 DEG C of constant temperature of holding;
(4)Using cylinder-pressing ceramics tile mould, mold temperature is kept for 25 DEG C;Slurry stand-by in baking oven is poured into heat
In press injector, 50 DEG C of constant temperature is kept, slurry is compressing by Hot-pressed injector injection mould, obtain semicircle arcuation shaping watt
Piece, pressure are maintained at 0.4MPa, and the dwell time is 3 seconds, and the demoulding, which is taken out, after release is molded tile;
(5)It is molded tile and excludes paraffin through high temperature:Shaping tile is loaded in saggar and adds 0.1 part of adsorbent γ oxidation
Aluminium, the distance between shaping tile is kept, 500 DEG C is warming up to by 10 DEG C/h heating rate, makes the residual paraffin on shaping tile
Dissolve and absorbed by gamma-alumina;900 DEG C are warming up to 40 DEG C/h heating rate after residual paraffin is all drained, insulation
0.5 hour, make product that there is certain intensity so as to deashing;Heating is naturally cooling to room temperature after reaching maximum temperature, takes out production
Product, the adsorbent of excess surface is removed, load wooden case;
(6)Sintering:
1. by carboxymethyl cellulose and water with 4.5:1 part by weight is mixed, and obtains mixed liquor, and by mixed liquor with
The corundum of 80 mesh is husky to press 3.5:1 part by weight mixing, obtains smearing slurry;
2. with 1.5g/cm on two longitudinal terminal surfaces of de-waxing aftershaping tile2Uniformly paint smearing slurry;
3. as shown in figure 1, by two shaping tile 1 nocks are opposite and coaxial placement, two longitudinal terminal surfaces of tile 1 are molded
Between place a pad 2 respectively, two shaping tiles 1 are connected into annular shape by pad 2, and shaping tile then is put into tunnel with pad
The heating zone of road sintering furnace burner hearth, it is 30mm to be molded the top end face of tile apart from tunnel sintering furnace roof of the furnace;
4. will be molded tile pushes cooling zone, shaping watt to from the heating zone of tunnel sintering furnace burner hearth with pad by heating zone
Piece is sintered into ceramic tile finished product in heating zone, and the temperature control of heating zone is often pushed away and once pushed ahead at 1530 DEG C
20mm, often push away and once take 3min, often push away the control of interval time in 40min, existed by the total time-consuming control of heating zone
10h, controlled in 3h by the total time-consuming of heating zone, controlled by the total time-consuming of cooling zone in 15h;
5. pad is pushed out with ceramic tile finished product from cooling zone, two panels ceramics tile finished product is connected with 0.45mm pad
Form an annulus;
(7)Cleaning:The junction of ceramic tile finished product and pad is gently tapped with ceramic rod, until both separation, will make pottery
Ceramic tiles piece finished product is with triangle abrasive material with 1:5 ratio is put into oscillating mill and pours into clear water after 10 minutes, after rinsing grinding
Stay in the impurity of ceramic tile finished surface.
The sintered density of gained ceramics tile finished product is 3.65g/cm3, and water absorption rate is less than 0.01%.
Embodiment two:A kind of production method of ceramic tile, comprises the following steps:
(1)Raw material ball milling:By 92 parts of alundum (Al2O3)s, 2 parts of calcium carbonate, 1.5 parts of silica, 3 parts of kaolin, 2 parts of talcums
Powder, 1.5 parts of magnesia, 6 parts of bonding agents, 1.5 parts of mould releases, 1 part of dispersant and 1.5 parts of defomaing agents are poured into ball mill and done
Method ball milling, Ball-milling Time are 13.5 hours, and the ratio between ballstone and raw material weight are 1:1, drum's speed of rotation 30r/min;In ball milling
After starting 3 hours, 0.25 part of activator oleic acid is added;Finally give the graininess powder that average grain diameter is 10 microns;
(2)Graininess powder after ball milling is put into 100 mesh vibratory sieves and removes bulky grain iron tramp;
(3)By after iron removaling powder add mixer in, weigh 1.5 parts of paraffin and melt, screen out melt it is residual in paraffin
Slag simultaneously adds 0.6 part of oleic acid, puts into mixer, stirs to form slurry, keeps 110 DEG C of constant temperature, mixing time 40
Minute;The slurry being stirred is transferred in de-airing mixer, keep 65 DEG C of constant temperature, stir and vacuumize, vacuum for-
0.3MPa, mixing time are 3.5 hours;Slurry after vacuum stirring is put into stand-by in baking oven, 90 DEG C of constant temperature of holding;
(4)Using cylinder-pressing ceramics tile mould, mold temperature is kept for 30 DEG C;Slurry stand-by in baking oven is poured into heat
In press injector, 50 DEG C of constant temperature is kept, slurry is compressing by Hot-pressed injector injection mould, obtain the shaping watt of semicircle arcuation
Piece, pressure are maintained at 0.5MPa, and the dwell time is 3 seconds, and the demoulding, which is taken out, after release is molded tile;
(5)It is molded tile and excludes paraffin through high temperature:Shaping tile is loaded in saggar and adds 0.1 part of adsorbent γ oxidation
Aluminium, the distance between two shaping tiles is kept, 550 DEG C is warming up to by 10 DEG C/h heating rate, makes the remnants on shaping tile
Paraffin dissolves and absorbed by gamma-alumina;920 DEG C are warming up to 45 DEG C/h heating rate after residual paraffin is all drained,
Insulation 0.5 hour, makes shaping tile have certain intensity so as to deashing;Heating is naturally cooling to room after reaching maximum temperature
Temperature, shaping tile is taken out, remove the adsorbent of excess surface, load wooden case;
(6)Sintering:
1. by carboxymethyl cellulose and water with 5:1 part by weight is mixed, and obtains mixed liquor, and by mixed liquor and 80
The corundum of ~ 90 mesh is husky to press 4:1 part by weight mixing, obtains smearing slurry;
2. with 2g/cm on two longitudinal terminal surfaces of de-waxing aftershaping tile2Uniformly paint smearing slurry;
3. as shown in figure 1, by two shaping tile nocks are opposite and coaxial placement, it is molded between two longitudinal terminal surfaces of tile
A pad is placed respectively, and two shaping tiles are connected into annular shape by pad, and shaping tile then is put into tunnel with pad burns
The heating zone of freezing of a furnace burner hearth, it is 50mm to be molded the top end face of tile apart from tunnel sintering furnace roof of the furnace;
4. will be molded tile pushes cooling zone, shaping watt to from the heating zone of tunnel sintering furnace burner hearth with pad by heating zone
Piece is sintered into ceramic product in heating zone, and the temperature control of heating zone often pushes away at 1580 DEG C and once pushes ahead 30mm, often
Push away and once take 5min, often push away the control of interval time in 50min, by the total time-consuming control of heating zone in 12h, by adding
The total time-consuming of hot-zone is controlled in 4h, is controlled by the total time-consuming of cooling zone in 18h;
5. pad is pushed out with ceramic tile finished product from cooling zone, two panels ceramics tile finished product is connected with 0.5mm pad
Form an annulus;
(7)Cleaning:The junction of ceramic tile finished product and pad is gently tapped with ceramic rod, until both separation, will make pottery
Ceramic tiles piece finished product is with triangle abrasive material with 1:6 ratio is put into oscillating mill and pours into clear water after 15 minutes, after rinsing grinding
Stay in the impurity of ceramic tile finished surface.
The sintered density of gained ceramics tile finished product is 3.7g/cm3, water absorption rate is less than 0.01%.
Embodiment three:A kind of production method of ceramic tile, comprises the following steps:
(1)Raw material ball milling:By 94 parts of alundum (Al2O3)s, 2.5 parts of calcium carbonate, 2 parts of silica, 4 parts of kaolin, 3 parts of talcums
Powder, 2 parts of magnesia, 9 parts of bonding agents, 2 parts of mould releases, 3 parts of dispersants and 2 parts of defomaing agents pour into progress dry method ball in ball mill
Mill, Ball-milling Time are 15 hours, and ballstone and powder weight ratio are 1:1, drum's speed of rotation 35r/min;It is small to start 3 in ball milling
Shi Hou, add 0.3 part of activator oleic acid;Finally give the graininess powder that average grain diameter is 20 microns;
(2)Graininess powder after ball milling is put into 100 mesh vibratory sieves and removes bulky grain iron tramp;
(3)Powder after iron removaling is added in mixer, 3 parts of paraffin is weighed and melts, screen out the residue melted in paraffin
And 1 part of oleic acid is added, put into mixer, stir to form slurry, keep 160 DEG C of constant temperature, mixing time is 50 minutes;
The slurry being stirred is transferred in de-airing mixer, 75 DEG C of constant temperature is kept, stirs and vacuumize, vacuum 0.2MPa, stirring
Time is 5 hours;Slurry after vacuum stirring is put into stand-by in baking oven, 110 DEG C of constant temperature of holding;
(4)Using cylinder-pressing ceramics tile mould, mold temperature is kept for 35 DEG C;Slurry stand-by in baking oven is poured into heat
In press injector, 55 DEG C of constant temperature is kept, slurry is compressing by Hot-pressed injector injection mould, obtain the shaping watt of semicircle arcuation
Piece, pressure are maintained at 0.6MPa, and the dwell time is 5 seconds, and the demoulding, which is taken out, after release is molded tile;
(5)It is molded tile and excludes paraffin through high temperature:Shaping tile is loaded in saggar and adds 0.5 part of adsorbent γ oxidation
Aluminium, the distance between shaping tile is kept, 550 DEG C is warming up to by 20 DEG C/h heating rate, makes the residual paraffin on shaping tile
Dissolve and absorbed by gamma-alumina;950 DEG C are warming up to 45 DEG C/h heating rate after residual paraffin is all drained, insulation
1 hour, make shaping tile that there is certain intensity so as to deashing;Heating is naturally cooling to room temperature after reaching maximum temperature, takes out
Tile is molded, removes the adsorbent of excess surface, loads wooden case;
(6)Sintering:
1. by carboxymethyl cellulose and water with 5.5:1 part by weight is mixed, and obtains mixed liquor, and by mixed liquor with
The corundum of 80 ~ 90 mesh is husky to press 4.5:1 part by weight mixing, obtains smearing slurry;
2. with 2.5g/cm on two longitudinal terminal surfaces of de-waxing aftershaping tile2Uniformly paint smearing slurry;
3. as shown in figure 1, by two shaping tile nocks are opposite and coaxial placement, it is molded between two longitudinal terminal surfaces of tile
A pad is placed respectively, and two shaping tiles are connected into annular shape by pad, and shaping tile then is put into tunnel with pad burns
The heating zone of freezing of a furnace burner hearth, it is 40mm to be molded the top end face of tile apart from tunnel sintering furnace roof of the furnace;
4. will be molded tile pushes cooling zone, shaping watt to from the heating zone of tunnel sintering furnace burner hearth with pad by heating zone
Piece is sintered into ceramic tile finished product in heating zone, and the temperature control of heating zone is often pushed away and once pushed ahead at 1550 DEG C
25mm, often push away and once take 4min, often push away the control of interval time in 45min, existed by the total time-consuming control of heating zone
11h, controlled in 3.5h by the total time-consuming of heating zone, controlled by the total time-consuming of cooling zone in 16h;
5. pad is pushed out with ceramic tile finished product from cooling zone, two panels ceramics tile finished product is connected with 0.55mm pad
Form an annulus.
(7)Cleaning:The junction of ceramic tile finished product and pad is gently tapped with ceramic rod, until both separation, will make pottery
Ceramic tiles piece finished product is with triangle abrasive material with 1:6 ratio is put into oscillating mill and pours into clear water after 20 minutes, after rinsing grinding
Stay in the impurity of ceramic tile finished surface.
The sintered density of gained ceramics tile finished product is 3.67g/cm3, water absorption rate is less than 0.01%.
Claims (1)
1. a kind of production method of ceramic tile, it is characterized in that, comprise the following steps:
(1)Raw material ball milling:By 94 parts of alundum (Al2O3)s, 2.5 parts of calcium carbonate, 2 parts of silica, 4 parts of kaolin, 3 parts of talcum powder, 2
Part magnesia, 9 parts of bonding agents, 2 parts of mould releases, 3 parts of dispersants and 2 parts of defomaing agents pour into and dry ball milling, ball are carried out in ball mill
Consume time as 15 hours, ballstone and powder weight ratio are 1:1, drum's speed of rotation 35r/min;After ball milling starts 3 hours,
Add 0.3 part of activator oleic acid;Finally give the graininess powder that average grain diameter is 20 microns;
(2)Graininess powder after ball milling is put into 100 mesh vibratory sieves and removes bulky grain iron tramp;
(3)Powder after iron removaling is added in mixer, 3 parts of paraffin is weighed and melts, the residue melted in paraffin is screened out and adds
Enter 1 part of oleic acid, put into mixer, stir to form slurry, keep 160 DEG C of constant temperature, mixing time is 50 minutes;It will stir
The slurry mixed is transferred in de-airing mixer, is kept 75 DEG C of constant temperature, is stirred and vacuumize, vacuum 0.2MPa, mixing time
For 5 hours;Slurry after vacuum stirring is put into stand-by in baking oven, 110 DEG C of constant temperature of holding;
(4)Using cylinder-pressing ceramics tile mould, mold temperature is kept for 35 DEG C;Slurry stand-by in baking oven is poured into hot pressing note
In machine, 55 DEG C of constant temperature is kept, slurry is compressing by Hot-pressed injector injection mould, the shaping tile of semicircle arcuation is obtained,
Pressure is maintained at 0.6MPa, and the dwell time is 5 seconds, and the demoulding, which is taken out, after release is molded tile;
(5)It is molded tile and excludes paraffin through high temperature:Shaping tile is loaded in saggar and adds 0.5 part of adsorbent gamma-alumina,
The distance between shaping tile is kept, 550 DEG C is warming up to by 20 DEG C/h heating rate, dissolves the residual paraffin on shaping tile
And absorbed by gamma-alumina;950 DEG C are warming up to 45 DEG C/h heating rate after residual paraffin is all drained, insulation 1 is small
When, make shaping tile that there is certain intensity so as to deashing;Heating is naturally cooling to room temperature after reaching maximum temperature, takes out shaping
Tile, the adsorbent of excess surface is removed, load wooden case;
(6)Sintering:
1. by carboxymethyl cellulose and water with 5.5:1 part by weight is mixed, and obtains mixed liquor, and by mixed liquor and 80 ~
The corundum of 90 mesh is husky to press 4.5:1 part by weight mixing, obtains smearing slurry;
2. with 2.5g/cm on two longitudinal terminal surfaces of de-waxing aftershaping tile2Uniformly paint smearing slurry;
3. by two shaping tile nocks are opposite and coaxial placement, it is molded between two longitudinal terminal surfaces of tile and places a pad respectively
Two shaping tiles are connected into annular shape, then will be molded tile and pad is put into the liter of tunnel sintering furnace burner hearth by piece, pad
Warm area, it is 40mm to be molded the top end face of tile apart from tunnel sintering furnace roof of the furnace;
4. will be molded tile pushes cooling zone to from the heating zone of tunnel sintering furnace burner hearth with pad by heating zone, shaping tile exists
Heating zone is sintered into ceramic tile finished product, and the temperature control of heating zone often pushes away at 1550 DEG C and once pushes ahead 25mm, often
Push away and once take 4min, often push away the control of interval time in 45min, by the total time-consuming control of heating zone in 11h, by adding
The total time-consuming of hot-zone is controlled in 3.5h, is controlled by the total time-consuming of cooling zone in 16h;
5. pad is pushed out with ceramic tile finished product from cooling zone, two panels ceramics tile finished product is connected and composed with 0.55mm pad
One annulus;
(7)Cleaning:The junction of ceramic tile finished product and pad is gently tapped with ceramic rod, until both separation, by ceramic tile
Piece finished product is with triangle abrasive material with 1:6 ratio is put into oscillating mill and pours into clear water after 20 minutes, is stayed in after rinsing grinding
The impurity of ceramic tile finished surface.
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CN110723966B (en) * | 2019-11-13 | 2022-04-01 | 中国航发南方工业有限公司 | Preparation method of fan-shaped flaky ceramic core |
CN111116178A (en) * | 2019-11-27 | 2020-05-08 | 东台施迈尔新材料科技有限公司 | Components and preparation method of high-hardness fired ceramic part |
CN111087227A (en) * | 2019-11-27 | 2020-05-01 | 东台施迈尔新材料科技有限公司 | Ceramic component material capable of being rapidly fired and preparation method thereof |
CN113696087A (en) * | 2021-10-07 | 2021-11-26 | 广西新未来信息产业股份有限公司 | Vibration grinding disc cleaning process for piezoresistor ceramic chip |
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