CN106882961A - A kind of easy clean domestic porcelain and preparation method thereof - Google Patents
A kind of easy clean domestic porcelain and preparation method thereof Download PDFInfo
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- CN106882961A CN106882961A CN201710024482.8A CN201710024482A CN106882961A CN 106882961 A CN106882961 A CN 106882961A CN 201710024482 A CN201710024482 A CN 201710024482A CN 106882961 A CN106882961 A CN 106882961A
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/20—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in magnesium oxide, e.g. forsterite
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- 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
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- 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- 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
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Abstract
The invention discloses a kind of easy clean domestic porcelain, the glaze layer of the easy clean domestic porcelain by chinaware body and located at chinaware body surface is constituted, the blank for making the chinaware body is to take the weight portion of calcination of talc 45 47 respectively by weight, the weight portion of talcum 28 30, the weight portion of feldspar 68, the weight portion of kaolin 10 12 and the weight portion of bentonite 57 are made as raw material, its glaze for forming glaze layer is to take the weight portion of frit 88 90 respectively by weight, the weight portion of kaolin 25, the weight portion of fine grinding kaolin 68 and the weight portion of bentonite 12 are made as raw material, its preparation methods steps are：1）It is prepared by blank；2）It is prepared by glaze；3）Shaping finishing body；4）Biscuiting glaze spraying；5）Finished product burns till, and easy clean domestic porcelain of the invention has preferable light transmittance, and intensity is high, not easy to crack, easy clean effect is significant；Its preparation method improves the density and intensity of product, improves the yields of product.
Description
Technical field
The present invention relates to the technical field of ceramics, a kind of easy clean domestic porcelain and preparation method thereof is refered in particular to.
Background technology
Domestic porcelain is the porcelain for contacting foodstuff, such as disk, bowl, cup, dish, kettle.Domestic porcelain be through Reusability,
Including cleaning.In cleaning of the conventional domestic porcelain after use, the stronger food residual of some adhesivenesses can be adhered to often, it is difficult
To clean, in addition to using cleaning agent, also to add rougher special cloth and wipe, desired cleaning effect can be reached；This
The method for repeatedly wiping is planted, easily makes the glaze surface wear on porcelain surface, be allowed to easily adhere to food, be difficult to clean all the more.
Cause conventional domestic porcelain to be easy to adhere to food and difficult cleaning of main cause, be that glaze layer packing and hardness are owed
It is good.The material that glaze layer is used（That is to say glaze）Fineness degree ratio it is incorrect, be particularly short of super-fine material（Such as submicron order
Material）Addition, it is difficult to preparing, consistency is high, the low glaze layer of apparent porosity, seemingly bright and clean glaze layer on this surface,
During cleaning after use, do not possess easy clean effect.
In household porcelain production industry, engineers and technicians improve composition of raw materials and preparation technology by conventional method,
Fail veritably to prepare the glaze layer with easy clean effect.The consistency of domestic porcelain glaze layer how is improved, the aobvious gas of glaze layer is reduced
Porosity, makes product really have easy clean effect, is the research of technique problem in current industry.
The content of the invention
A kind of preparation of easy clean domestic porcelain is provided it is an object of the invention to overcome weak point of the prior art
Method, wherein, its easy clean domestic porcelain has preferable light transmittance, and intensity is high, not easy to crack, and glaze layer is closely knit smooth, apparent pore
Rate is small, easy clean effect is significant；Its preparation method improves the density and intensity of product, also substantially increases the case hardness of glaze layer,
Strengthen easy clean effect, moreover it is possible to effectively prevent product from rupturing, improve the yields of product.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of easy clean domestic porcelain, the easy clean domestic porcelain is by chinaware body and the glaze layer group located at chinaware body surface
Into, the blank for making the chinaware body be take respectively by weight calcination of talc 45-47 weight portions, talcum 28-30 weight portions,
Feldspar 6-8 weight portions, kaolin 10-12 weight portions and bentonite 5-7 weight portions are made as raw material, its glaze for forming glaze layer
Material is to take frit 88-90 weight portions, kaolin 2-5 weight portions, fine grinding kaolin 6-8 weight portions and swollen respectively by weight
Profit soil 1-2 weight portions are made as raw material.
The calcination of talc is formed through 1200-1260 DEG C of temperature calcination using talcum, during the calcining of the calcination of talc
Between be 6-8 hours.
The frit is quartzy 15-25 weight portions, feldspar 30-40 weight portions, the talcum 2-4 weights for taking respectively by weight
Amount part, borax 12-18 weight portions, zinc oxide 1-4 weight portions, barium carbonate 1-4 weight portions, lithium carbonate 1-4 weight portions, aluminium hydroxide
After 2-8 weight portions and strontium carbonate 2-8 weight portions are mixed as raw material, the melting under 1350-1400 DEG C of environment enters back into clear water
Middle cooling is formed.
The fine grinding kaolin is eluriated through water by kaolin, and fine grinding is formed after going the removal of impurity, and the fine grinding is kaolinic thin
It is 150nm-280nm to spend.
A kind of preparation method of easy clean domestic porcelain, the easy clean domestic porcelain is above-mentioned easy clean domestic porcelain, and this is easy
The preparation method step of clean domestic porcelain is as follows：
1）It is prepared by blank：Take by weight making base substrate needed for raw material, and raw material is carried out mixed grinding, sieving successively, except iron
After old, mud cake is made, then mud cake is carried out into pugging, obtain blank standby；
2）It is prepared by glaze：Raw material needed for taking making glaze layer by weight, raw material is carried out mixed grinding, sieving successively and except iron
Afterwards, add clear water to be allocated, obtain glaze standby；
3）Shaping finishing：Take step 1）The blank of acquisition is processed shaping, then the product of shaping is placed in into normal temperature and pressure environment
Lower natural drying, obtains molding blank, then molding blank is carried out into figuring of surface, makes molding blank surfacing, and continue to put
In being spontaneously dried under normal temperature and pressure environment, repaired biscuit base substrate is obtained；
4）Biscuiting glaze spraying：To step 3）Repaired biscuit base substrate carry out high temperature biscuiting, obtain biscuiting base substrate, then by the heating of biscuiting base substrate
Afterwards, biscuiting base substrate uniform rotation is made, and by step 2）Obtained glaze is sprayed at biscuiting billet surface, glaze layer is formed, with rearmounted
In being spontaneously dried under normal temperature and pressure environment, glaze spraying base substrate is obtained；
5）Finished product burns till：To step 4）The glaze spraying base substrate high temperature of acquisition burns till, and burns till and finishes rear Temperature fall, then carries out at chilling
Reason, then carries out second Temperature fall, obtains the finished product of easy clean domestic porcelain.
The step 1）Raw material mixing after add clear water carry out wet ball grinding, the raw material after ball milling crosses the sieve of 220 mesh, and
By magnetic separator de-ironing except iron treatment, then old treatment is carried out into storage basin by being deposited except the raw material after iron, the old time is that 36-48 is small
When, then by filter press will be old after raw material press filtration into mud cake, then by mud cake by pug mill pugging, prepare mass and contain
The blank of water 22-24% is standby.
The step 2）Raw material mix after plus clear water carry out wet ball grinding, the sieve of 250 mesh is crossed through the raw material of ball milling, and lead to
Crossing magnetic separator de-ironing carries out, except iron treatment, being subsequently added clear water, is deployed into the glaze that concentration is 60 ± 2 Baume degrees standby.
The step 3）Middle use injection forming, pressure, roll forming, isostatic pressing and other processing
Molding mode is processed shaping to blank, then the molding blank of acquisition is deposited in into natural drying 10-12 hours on plank, with
After carrying out figuring of surface to molding blank using clear water, sand paper and cotton afterwards, deposit in and spontaneously dried 6-10 hours on plank.
The step 4）Using ceramic kiln, by step 3）The repaired biscuit base substrate of acquisition is placed in and biscuiting is carried out in oxidizing atmosphere,
Biscuiting temperature is 1270 DEG C -1280 DEG C, and the biscuiting time is 10-12 hours, then makes the biscuiting base substrate natural cooling of acquisition, is connect
, biscuiting base substrate heated, biscuiting billet surface temperature is reached 80-90 DEG C, then biscuiting base substrate is positioned on turntable,
Make biscuiting base substrate with 45-65 revs/min of rotating speed uniform rotation, glaze spraying is carried out to the biscuiting base substrate for rotating using spray gun, make element
After burning billet surface uniformly sprays the glaze layer that thickness is 1.0-1.5mm, deposit in and spontaneously dried 8-12 hours on plank.
The step 5）Using ceramic kiln, to step 4）The glaze spraying base substrate of acquisition is placed in oxidizing atmosphere and is burnt till,
Firing temperature is 1160-1170 DEG C, and firing time is 12-14 hours, when kiln in-furnace temperature reaches firing temperature, constant temperature 10-
15 minutes, then, ceramic kiln stopped heating, when allowing ceramic kiln temperature to drop to 1140-1150 DEG C naturally, opened wicket,
Wicket is outputed the crack of 20-30cm, allow the outer air of ceramic kiln to enter in ceramic kiln by crack, make temperature in ceramic kiln
Degree drastically declines, and quenching is carried out to the glaze spraying base substrate in ceramic kiln, when temperature drop is to 660-680 DEG C in kiln,
Wicket is closed, the temperature of ceramic kiln is naturally cooling to less than 100 DEG C, the finished product of easy clean domestic porcelain, last wicket is obtained
Open completely, take out the finished product in ceramic kiln.
Beneficial effects of the present invention are as follows：
1st, can effectively ensure that product base substrate keeps preferable printing opacity using calcination of talc in the base raw material of its easy clean domestic porcelain
Degree；In base raw material add talcum, feldspar, kaolin so that product base substrate through burning till after intensity improve, product base substrate with tool
There is easy clean glaze layer to be well combined；Bentonite is added in base raw material, is to make product base substrate not easy to crack in forming process；This is easy
Frit is used in the enamel frit makeing raw material of clean domestic porcelain, the transparency that product burns till rear glaze layer can be improved；Warp is added in enamel frit makeing raw material
The kaolin of elutriation, it is possible to reduce the contracting glaze phenomenon of Products during Firing；Fine grinding kaolin is added in enamel frit makeing raw material, it is finely ground to reach
To submicron order, can make product after burning till glaze layer dense surface degree improve, apparent porosity decline, improve glaze paint easy clean property and
Hardness of glaze surface；Bentonite is added in enamel frit makeing raw material, is to strengthen glaze absorption affinity and levelability in the glazing of product, raising is applied
The operability of glaze；And then obtained easy clean domestic porcelain good transmittance is caused, glaze layer is closely knit smooth, and apparent porosity is small, glaze paint
Vickers microhardness be higher than 6.0Gpa, easy clean effect is significant, and through using many times and cleaning after, easy clean effect will not under
Drop, and, after testing, the lead of product, quantity of cadmium release meet domestic and international correlation standard；
2nd, its preparation method makes product decompose and discharge impurity as far as possible in the biscuiting stage, it is ensured that follow-up to burn till, glaze layer is not
The volatile matter that can be discharged by product carcass wears out glaze layer, and the Minute pores for reducing glaze layer are produced；Product surface is set to adsorb glaze slip
Ability is strengthened, because high temperature biscuiting has made the basic porcelain of product carcass, causes to decline glaze slip adsorption capacity；Product firing temperature
It is product carcass is no longer produced big chemical reaction, glaze layer warp substantially in Products during Firing less than product biscuiting temperature
Again can be with carcass surface good combination after melting；Quenching is used to product in preparation process, product is caught a cold drastically and is received
Contracting, improves the density and intensity of product, also substantially increases the case hardness of glaze layer, strengthens easy clean effect；And because glaze is matched somebody with somebody
Frit and fine grinding kaolin are added in side so that product can undergo chilling and produce easy clean effect；Can also prevent product from breaking
Split, and then effectively improve the yields of product.
Specific embodiment
Below in conjunction with each specific embodiment, the invention will be further described：
Specific embodiment 1：
First, the weight portion of calcination of talc 45, the weight portion of talcum 28, the weight portion of feldspar 8, the weight of kaolin 12 are taken respectively by weight
After amount part and the weight portion of bentonite 7 mix as the raw material for making base substrate, clear water is added to carry out wet ball grinding, the original after ball milling
Expected the sieve of 220 mesh, and by magnetic separator de-ironing except iron treatment, then old treatment is carried out into storage basin by being deposited except the raw material after iron,
The old time be 36 hours, then by filter press will be old after raw material press filtration into mud cake, then by mud cake by pug mill practice
Mud, the blank for preparing mass water content 22% is standby；Wherein, calcination of talc is through 1200 DEG C of temperature calcination using talcum
Into the calcination time of the calcination of talc is 6 hours.
Secondly, take respectively by weight the weight portion of frit 88, the weight portion of kaolin 5, the weight portion of fine grinding kaolin 6 and
After the weight portion of bentonite 1 is mixed as the raw material for making glaze layer, plus clear water carries out wet ball grinding, and 250 mesh are crossed through the raw material of ball milling
Sieve, and by magnetic separator de-ironing carry out except iron treatment, be subsequently added clear water, be deployed into the glaze that concentration is 58 Baume degrees standby；Its
In, frit is quartzy 15 weight portion, the weight portion of feldspar 40, the weight portion of talcum 3.5, the weight of borax 15.5 for taking respectively by weight
Amount part, the weight portion of zinc oxide 3.7, the weight portion of barium carbonate 2.3, the weight portion of lithium carbonate 4, the weight portion of aluminium hydroxide 8 and strontium carbonate 8
After weight portion is mixed as raw material, the melting under 1350 DEG C of environment to be entered back into cool down in clear water and formed；Fine grinding kaolin is by height
Ridge soil is eluriated through water, and fine grinding is formed after going the removal of impurity, and the kaolinic fineness of the fine grinding is 150nm.
Then, the blank of above-mentioned acquisition is taken, shaping is processed to blank using injection forming mode, then by molding blank
To deposit in be placed on plank and spontaneously dry 10 hours under normal temperature and pressure environment, obtain molding blank, then using clear water, sand paper and
Cotton carries out figuring of surface to molding blank, after making billet surface smooth, deposits on plank and continue to be placed in normal temperature and pressure ring
Spontaneously dried 6 hours under border, obtain repaired biscuit base substrate；
Then, using ceramic kiln, above-mentioned repaired biscuit base substrate is placed in carries out high temperature biscuiting in oxidizing atmosphere, and biscuiting temperature is 1270
DEG C, the biscuiting time is 10 hours, obtains biscuiting base substrate, then makes biscuiting base substrate natural cooling, then, by the heating of biscuiting base substrate
Afterwards, biscuiting billet surface temperature is reached 80 DEG C, then biscuiting base substrate is positioned on turntable, make biscuiting base substrate with 45 revs/min
Rotating speed uniform rotation, and glaze obtained above is sprayed at by biscuiting billet surface using spray gun, make biscuiting billet surface equal
It is even spray the glaze layer that thickness is 1.0mm after, to deposit in be placed on plank and spontaneously dry 8 hours under normal temperature and pressure environment, obtain
Obtain glaze spraying base substrate；
Finally, using ceramic kiln, the glaze spraying base substrate of above-mentioned acquisition is placed in oxidizing atmosphere to carry out high temperature and burns till, firing temperature
It is 1160 DEG C, firing time is 12 hours, burns till and finishes rear Temperature fall, when kiln in-furnace temperature reaches firing temperature, constant temperature
10 minutes, then, ceramic kiln stopped heating, when allowing ceramic kiln temperature to drop to 1140 DEG C naturally, opened wicket, made wicket
The crack of 20cm is outputed, allows the outer air of ceramic kiln to enter in ceramic kiln by crack, under making furnace in-furnace temperature drastically
Drop, quenching is carried out to the glaze spraying base substrate in ceramic kiln, when temperature drop is to 660 DEG C in kiln, wicket is closed, to pottery
Porcelain kiln carries out second Temperature fall, cools the temperature to less than 100 DEG C, and the finished product of easy clean domestic porcelain, last wicket is obtained
Open completely, take out the finished product in ceramic kiln.
Specific embodiment 2：
First, the weight portion of calcination of talc 47, the weight portion of talcum 30, the weight portion of feldspar 7, the weight of kaolin 10 are taken respectively by weight
After amount part and the weight portion of bentonite 6 mix as the raw material for making base substrate, clear water is added to carry out wet ball grinding, the original after ball milling
Expected the sieve of 220 mesh, and by magnetic separator de-ironing except iron treatment, then old treatment is carried out into storage basin by being deposited except the raw material after iron,
The old time be 48 hours, then by filter press will be old after raw material press filtration into mud cake, then by mud cake by pug mill practice
Mud, the blank for preparing mass water content 24% is standby；Wherein, calcination of talc is through 1260 DEG C of temperature calcination using talcum
Into the calcination time of the calcination of talc is 8 hours.
Secondly, the weight portion of frit 88.5, the weight portion of kaolin 2.5, the weight portion of fine grinding kaolin 8 are taken respectively by weight
And after the weight portion of bentonite 1 is mixed as the raw material for making glaze layer, plus clear water carries out wet ball grinding, through the raw material mistake of ball milling
The sieve of 250 mesh, and carry out, except iron treatment, being subsequently added clear water by magnetic separator de-ironing, it is deployed into the glaze that concentration is 62 Baume degrees standby
With；Wherein, frit is quartzy 17 weight portion, the weight portion of feldspar 39, the weight portion of talcum 4, the borax 17 for taking respectively by weight
Weight portion, the weight portion of zinc oxide 4, the weight portion of barium carbonate 2, the weight portion of lithium carbonate 3, the weight portion of aluminium hydroxide 7.5 and strontium carbonate
After 6.5 weight portions are mixed as raw material, the melting under 1400 DEG C of environment to be entered back into cool down in clear water and formed；Fine grinding kaolin is
Eluriated through water by kaolin, fine grinding is formed after going the removal of impurity, the kaolinic fineness of the fine grinding is 280nm.
Then, the blank of above-mentioned acquisition is taken, shaping is processed to blank using pressure mode, then will shaping
Base substrate deposited in be placed on plank and spontaneously dry 12 hours under normal temperature and pressure environment, molding blank is obtained, then using clear water, sand
Paper and cotton carry out figuring of surface to molding blank, after making billet surface smooth, deposit on plank and continue to be placed in normal temperature normal
Spontaneously dried 10 hours under pressure ring border, obtain repaired biscuit base substrate；
Then, using ceramic kiln, above-mentioned repaired biscuit base substrate is placed in carries out high temperature biscuiting in oxidizing atmosphere, and biscuiting temperature is 1280
DEG C, the biscuiting time is 12 hours, obtains biscuiting base substrate, then makes biscuiting base substrate natural cooling, then, by the heating of biscuiting base substrate
Afterwards, biscuiting billet surface temperature is reached 90 DEG C, then biscuiting base substrate is positioned on turntable, make biscuiting base substrate with 65 revs/min
Rotating speed uniform rotation, and glaze obtained above is sprayed at by biscuiting billet surface using spray gun, make biscuiting billet surface equal
It is even spray the glaze layer that thickness is 1.5mm after, to deposit in be placed on plank and spontaneously dry 12 hours under normal temperature and pressure environment, obtain
Obtain glaze spraying base substrate；
Finally, using ceramic kiln, the glaze spraying base substrate of above-mentioned acquisition is placed in oxidizing atmosphere to carry out high temperature and burns till, firing temperature
It is 1170 DEG C, firing time is 14 hours, burns till and finishes rear Temperature fall, when kiln in-furnace temperature reaches firing temperature, constant temperature
15 minutes, then, ceramic kiln stopped heating, when allowing ceramic kiln temperature to drop to 1150 DEG C naturally, opened wicket, made wicket
The crack of 30cm is outputed, allows the outer air of ceramic kiln to enter in ceramic kiln by crack, under making furnace in-furnace temperature drastically
Drop, quenching is carried out to the glaze spraying base substrate in ceramic kiln, when temperature drop is to 680 DEG C in kiln, wicket is closed, to pottery
Porcelain kiln carries out second Temperature fall, cools the temperature to less than 100 DEG C, and the finished product of easy clean domestic porcelain, last wicket is obtained
Open completely, take out the finished product in ceramic kiln.
Specific embodiment 3：
First, the weight portion of calcination of talc 47, the weight portion of talcum 30, the weight portion of feldspar 6, the weight of kaolin 12 are taken respectively by weight
After amount part and the weight portion of bentonite 5 mix as the raw material for making base substrate, clear water is added to carry out wet ball grinding, the original after ball milling
Expected the sieve of 220 mesh, and by magnetic separator de-ironing except iron treatment, then old treatment is carried out into storage basin by being deposited except the raw material after iron,
The old time be 39 hours, then by filter press will be old after raw material press filtration into mud cake, then by mud cake by pug mill practice
Mud, the blank for preparing mass water content 22.7% is standby；Wherein, calcination of talc is through 1245 DEG C of temperature calcination using talcum
Form, the calcination time of the calcination of talc is 6.8 hours.
Secondly, the weight portion of frit 88.2, the weight portion of kaolin 3.4, the weight of fine grinding kaolin 6.8 are taken respectively by weight
After part and the weight portion of bentonite 1.6 are mixed as the raw material for making glaze layer, plus clear water carries out wet ball grinding, through the raw material of ball milling
The sieve of 250 mesh is crossed, and carries out, except iron treatment, being subsequently added clear water by magnetic separator de-ironing, be deployed into the glaze that concentration is 61 Baume degrees
It is standby；Wherein, frit is quartzy 22 weight portion, the weight portion of feldspar 40, the weight portion of talcum 4, the borax for taking respectively by weight
15 weight portions, the weight portion of zinc oxide 2, the weight portion of barium carbonate 2, the weight portion of lithium carbonate 2, the weight portion of aluminium hydroxide 5 and strontium carbonate 8
After weight portion is mixed as raw material, the melting under 1360 DEG C of environment to be entered back into cool down in clear water and formed；Fine grinding kaolin is by height
Ridge soil is eluriated through water, and fine grinding is formed after going the removal of impurity, and the kaolinic fineness of the fine grinding is 180nm.
Then, the blank of above-mentioned acquisition is taken, shaping is processed to blank using roll forming mode, then by molding blank
To deposit in be placed on plank and spontaneously dry 10.6 hours under normal temperature and pressure environment, molding blank is obtained, then using clear water, sand paper
Figuring of surface is carried out to molding blank with cotton, after making billet surface smooth, deposits on plank and continue to be placed in normal temperature and pressure
Spontaneously dried 8 hours under environment, obtain repaired biscuit base substrate；
Then, using ceramic kiln, above-mentioned repaired biscuit base substrate is placed in carries out high temperature biscuiting in oxidizing atmosphere, and biscuiting temperature is 1276
DEG C, the biscuiting time is 10.2 hours, obtains biscuiting base substrate, then makes biscuiting base substrate natural cooling, then, by the heating of biscuiting base substrate
Afterwards, biscuiting billet surface temperature is reached 83 DEG C, then biscuiting base substrate is positioned on turntable, make biscuiting base substrate with 50 revs/min
Rotating speed uniform rotation, and glaze obtained above is sprayed at by biscuiting billet surface using spray gun, make biscuiting billet surface equal
It is even spray the glaze layer that thickness is 1.1mm after, to deposit in be placed on plank and spontaneously dry 8.8 hours under normal temperature and pressure environment,
Obtain glaze spraying base substrate；
Finally, using ceramic kiln, the glaze spraying base substrate of above-mentioned acquisition is placed in oxidizing atmosphere to carry out high temperature and burns till, firing temperature
It is 1162 DEG C, firing time is 12.5 hours, burns till and finishes rear Temperature fall, it is permanent when kiln in-furnace temperature reaches firing temperature
Temperature 11 minutes, then, ceramic kiln stops heating, when allowing ceramic kiln temperature to drop to 1147 DEG C naturally, opens wicket, makes kiln
Door outputs the crack of 23cm, allows the outer air of ceramic kiln to enter in ceramic kiln by crack, makes furnace in-furnace temperature drastically
Decline, quenching is carried out to the glaze spraying base substrate in ceramic kiln, when temperature drop is to 672 DEG C in kiln, close wicket, it is right
Ceramic kiln carries out second Temperature fall, cools the temperature to less than 100 DEG C, and the finished product of easy clean domestic porcelain, last kiln is obtained
Door is opened completely, takes out the finished product in ceramic kiln.
Specific embodiment 4：
First, the weight portion of calcination of talc 46.1, the weight portion of talcum 29, the weight portion of feldspar 7.3, kaolin are taken respectively by weight
After 10.7 weight portions and the weight portion of bentonite 6.9 mix as the raw material for making base substrate, clear water is added to carry out wet ball grinding, ball
Raw material after mill crosses the sieve of 220 mesh, and by magnetic separator de-ironing except iron treatment, then by except the raw material after iron deposit carried out into storage basin it is old
Corruption treatment, the old time be 42 hours, then by filter press will be old after raw material press filtration into mud cake, then by mud cake by practice
Mud machine pugging, the blank for preparing mass water content 23.9% is standby；Wherein, calcination of talc is through 1256 DEG C of temperature using talcum
Degree calcining is formed, and the calcination time of the calcination of talc is 7.4 hours.
Secondly, the weight portion of frit 90, the weight portion of kaolin 2.3, the weight portion of fine grinding kaolin 6.7 are taken respectively by weight
And after the weight portion of bentonite 1 is mixed as the raw material for making glaze layer, plus clear water carries out wet ball grinding, through the raw material mistake of ball milling
The sieve of 250 mesh, and carry out, except iron treatment, being subsequently added clear water by magnetic separator de-ironing, it is deployed into the glaze that concentration is 59 Baume degrees standby
With；Wherein, frit is quartzy 24 weight portion, the weight portion of feldspar 40, the weight portion of talcum 2, the borax for taking respectively by weight
14.2 weight portions, the weight portion of zinc oxide 2.8, the weight portion of barium carbonate 3, the weight portion of lithium carbonate 1, the weight portion of aluminium hydroxide 6 and carbon
After the weight portion of sour strontium 7 is mixed as raw material, the melting under 1389 DEG C of environment to be entered back into cool down in clear water and formed；Fine grinding kaolin
It is to be eluriated through water by kaolin, fine grinding is formed after going the removal of impurity, the kaolinic fineness of the fine grinding is 245nm.
Then, the blank of above-mentioned acquisition is taken, shaping is processed to blank using isostatic pressing mode, then will be into parison
Body deposited in be placed on plank and spontaneously dry 11.4 hours under normal temperature and pressure environment, molding blank is obtained, then using clear water, sand
Paper and cotton carry out figuring of surface to molding blank, after making billet surface smooth, deposit on plank and continue to be placed in normal temperature normal
Spontaneously dried 7 hours under pressure ring border, obtain repaired biscuit base substrate.
Then, using ceramic kiln, above-mentioned repaired biscuit base substrate is placed in carries out high temperature biscuiting in oxidizing atmosphere, and biscuiting temperature is
1277 DEG C, the biscuiting time is 11.5 hours, obtains biscuiting base substrate, then makes biscuiting base substrate natural cooling, then, by biscuiting base substrate
After heating, biscuiting billet surface temperature is reached 87 DEG C, then biscuiting base substrate be positioned on turntable, make biscuiting base substrate with 63 turns/
The rotating speed uniform rotation of minute, and glaze obtained above is sprayed at by biscuiting billet surface using spray gun, make biscuit body surface
After face uniformly sprays the glaze layer that thickness is 1.4mm, natural drying 10 under be placed on plank normal temperature and pressure environment is deposited in small
When, obtain glaze spraying base substrate；
Finally, using ceramic kiln, the glaze spraying base substrate of above-mentioned acquisition is placed in oxidizing atmosphere to carry out high temperature and burns till, firing temperature
It is 1168 DEG C, firing time is 13.4 hours, burns till and finishes rear Temperature fall, it is permanent when kiln in-furnace temperature reaches firing temperature
Temperature 13 minutes, then, ceramic kiln stops heating, when allowing ceramic kiln temperature to drop to 1148 DEG C naturally, opens wicket, makes kiln
Door outputs the crack of 27cm, allows the outer air of ceramic kiln to enter in ceramic kiln by crack, makes furnace in-furnace temperature drastically
Decline, quenching is carried out to the glaze spraying base substrate in ceramic kiln, when temperature drop is to 676 DEG C in kiln, close wicket, it is right
Ceramic kiln carries out second Temperature fall, cools the temperature to less than 100 DEG C, and the finished product of easy clean domestic porcelain, last kiln is obtained
Door is opened completely, takes out the finished product in ceramic kiln.
Specific embodiment 5：
First, the weight portion of calcination of talc 45, the weight portion of talcum 29, the weight portion of feldspar 7, the weight of kaolin 12 are taken respectively by weight
After amount part and the weight portion of bentonite 7 mix as the raw material for making base substrate, clear water is added to carry out wet ball grinding, the original after ball milling
Expected the sieve of 220 mesh, and by magnetic separator de-ironing except iron treatment, then old treatment is carried out into storage basin by being deposited except the raw material after iron,
The old time be 46 hours, then by filter press will be old after raw material press filtration into mud cake, then by mud cake by pug mill practice
Mud, the blank for preparing mass water content 23.9% is standby；Wherein, calcination of talc is through 1255 DEG C of temperature calcination using talcum
Form, the calcination time of the calcination of talc is 6.8 hours.
Secondly, take respectively by weight the weight portion of frit 90, the weight portion of kaolin 3, the weight portion of fine grinding kaolin 6 and
After the weight portion of bentonite 1 is mixed as the raw material for making glaze layer, plus clear water carries out wet ball grinding, and 250 mesh are crossed through the raw material of ball milling
Sieve, and by magnetic separator de-ironing carry out except iron treatment, be subsequently added clear water, be deployed into the glaze that concentration is 60 Baume degrees standby；Its
In, frit is quartzy 25 weight portion, the weight portion of feldspar 31, the weight portion of talcum 4, the weight of borax 12 for taking respectively by weight
Part, the weight portion of zinc oxide 4, the weight portion of barium carbonate 4, the weight portion of lithium carbonate 4, the weight portion of aluminium hydroxide 8 and the weight portion of strontium carbonate 8
After being mixed as raw material, the melting under 1390 DEG C of environment to be entered back into cool down in clear water and formed；Fine grinding kaolin is passed through by kaolin
Water is eluriated, and fine grinding is formed after going the removal of impurity, and the kaolinic fineness of the fine grinding is 220nm.
Then, the blank of above-mentioned acquisition is taken, shaping is processed to blank using pressure mode, then will shaping
Base substrate deposited in be placed on plank and spontaneously dry 10.9 hours under normal temperature and pressure environment, obtains molding blank, then using clear water,
Sand paper and cotton carry out figuring of surface to molding blank, after making billet surface smooth, deposit on plank and continue to be placed in normal temperature
Spontaneously dried 9 hours under atmospheric pressure environment, obtain repaired biscuit base substrate；
Then, using ceramic kiln, above-mentioned repaired biscuit base substrate is placed in carries out high temperature biscuiting in oxidizing atmosphere, and biscuiting temperature is 1276
DEG C, the biscuiting time is 11.2 hours, obtains biscuiting base substrate, then makes biscuiting base substrate natural cooling, then, by the heating of biscuiting base substrate
Afterwards, biscuiting billet surface temperature is reached 86.5 DEG C, then biscuiting base substrate is positioned on turntable, make biscuiting base substrate with 64 revs/min
The rotating speed uniform rotation of clock, and glaze obtained above is sprayed at by biscuiting billet surface using spray gun, make biscuiting billet surface
After uniformly spraying the glaze layer that thickness is 1.4mm, to deposit in be placed on plank and spontaneously dry 11 hours under normal temperature and pressure environment,
Obtain glaze spraying base substrate；
Finally, using ceramic kiln, the glaze spraying base substrate of above-mentioned acquisition is placed in oxidizing atmosphere to carry out high temperature and burns till, firing temperature
It is 1166 DEG C, firing time is 12.6 hours, burns till and finishes rear Temperature fall, it is permanent when kiln in-furnace temperature reaches firing temperature
Temperature 14 minutes, then, ceramic kiln stops heating, when allowing ceramic kiln temperature to drop to 1146 DEG C naturally, opens wicket, makes kiln
Door outputs the crack of 28cm, allows the outer air of ceramic kiln to enter in ceramic kiln by crack, makes furnace in-furnace temperature drastically
Decline, quenching is carried out to the glaze spraying base substrate in ceramic kiln, when temperature drop is to 666 DEG C in kiln, close wicket, it is right
Ceramic kiln carries out second Temperature fall, cools the temperature to less than 100 DEG C, and the finished product of easy clean domestic porcelain, last kiln is obtained
Door is opened completely, takes out the finished product in ceramic kiln.
Disclosed one kind easily knot domestic porcelain and preparation method thereof, its when blank is prepared, from 200 purposes
Sieve, it is therefore an objective to prevent impurity or coarse granule from entering in blank, it is ensured that the due fineness of material；Calcination of talc is used in raw material, is
The removal of impurity is gone by calcining, and the content of MgO is not less than 22.0% in biscuit after ensuring product through burning till, it is ensured that product base substrate
Keep preferable light transmittance；Talcum, feldspar, kaolin are added in raw material, is that intensity is improved after making product through burning till, product base
The expansion coefficient similar of the coefficient of expansion of body and easy clean glaze layer, base substrate is well combined with easy clean glaze layer；Bentonite is added in raw material,
It is to make product not easy to crack in forming process.
When glaze is prepared, from the sieve of 250 mesh, in order to prevent impurity or coarse granule from entering in glaze, make spray gun
Block, sieve is more than 250 mesh, glaze slip sieving is difficult, influences operation；The glaze of preparation（Or：Glaze slip）Allotment concentration control exist
60 ± 2 Baume degrees, with construction and the control of glazed thickness suitable for glaze spraying；Frit is used in raw material, is by plurality of raw materials group
Merge it is smelting, frit can burn till product rear glaze layer transparency is high, product firing temperature can be reduced；Added in raw material through eluriating
Yunnan kaolin, it is possible to reduce the contracting glaze phenomenon of Products during Firing；Fine grinding kaolin is added in raw material, it is finely ground to reach Asia
Micron order（I.e. fineness is 150nm-280nm）, can decline the product raising of glaze layer dense surface degree, apparent porosity after burning till,
Improve the easy clean property and hardness of glaze surface of glaze paint；Bentonite is added in raw material, is to make glaze absorption affinity and stream in the glazing of product
Levelling strengthens, and improves the operability of glazing.
Product base substrate is placed in whole technique using plank to be spontaneously dried, be conducive to moisture in product base substrate
Volatilization, board surface is smooth, prevents product deformation, plank economy and is easily obtained.
When glaze is sprayed, if rotating speed is less than 45 revs/min, glaze layer is uneven；And if rotating speed is higher than 65 revs/min
Clock, centrifugation is excessive, is unfavorable for that biscuit adsorbs glaze slip；Reacted using oxidizing atmosphere in ceramic kiln, be to ensure
In Products during Firing, each material reaction is abundant.
It should be noted that temperature during product biscuiting is 1270 DEG C -1280 DEG C, the temperature 1160 when being burnt till higher than product
DEG C -1170 DEG C, it is therefore an objective to product is decomposed and is discharged impurity as far as possible in the biscuiting stage, it is ensured that follow-up to burn till, glaze layer is not
The volatile matter of molding blank discharge can be received and worn out, the Minute pores for reducing glaze layer are produced；Biscuiting base substrate uses glaze spraying after heating,
Be conducive to the surface for strengthening repaired biscuit base substrate to glaze（Or glaze slip）Adsorption capacity because high temperature biscuiting has made repaired biscuit base substrate basic
Porcelain, causes to glaze（Or glaze slip）Adsorption capacity declines；The firing temperature of glaze spraying base substrate is less than the biscuiting temperature of biscuit base substrate,
Glaze spraying base substrate is no longer produced big chemical reaction substantially in finished product sintering process, glaze layer after melting again can and biscuit
Body surface face good combination；During finished product burns till, wicket is opened at a temperature of 1140-1150 DEG C, allow cold air to enter in kiln, made
Product is caught a cold and drastically shrink, and can effectively improve the density and intensity of product, improves the case hardness of glaze layer, and then enhanced article
Easy clean effect.Product can undergo chilling and to produce add in easy clean effect, with glaze formula frit and be finely ground to sub-micron
Level（I.e. fineness is 150nm-280nm）Kaolin it is relevant；Kiln temperature closes furnace door when being cooled to 660 DEG C -680 DEG C,
It is to prevent product from rupturing, because porcelain is easily broken in 600 DEG C of contractions of -300 DEG C of stage cooling quenchings, and hot stage is met
It is cold not rupture on the contrary, the characteristics of this is porcelain.
The above is only, to presently preferred embodiments of the present invention, not the scope of the present invention to be defined, therefore is not being taken off
On the premise of design spirit of the present invention, this area ordinary skill technical staff to composition of the present invention, operation, feature and
Equivalence changes or decoration that principle is made, all should fall into the protection domain of the present patent application patent.
Claims (10)
1. a kind of easy clean domestic porcelain, it is characterised in that：The easy clean domestic porcelain is by chinaware body and located at chinaware body
The glaze layer composition on surface, the blank for making the chinaware body is to take calcination of talc 45-47 weight portions, talcum respectively by weight
28-30 weight portions, feldspar 6-8 weight portions, kaolin 10-12 weight portions and bentonite 5-7 weight portions are made as raw material, its
The glaze for forming glaze layer is to take frit 88-90 weight portions, kaolin 2-5 weight portions, fine grinding kaolin 6-8 respectively by weight
Weight portion and bentonite 1-2 weight portions are made as raw material.
2. a kind of easy clean domestic porcelain according to claim 1, it is characterised in that：The calcination of talc is passed through using talcum
1200-1260 DEG C of temperature calcination is formed, and the calcination time of the calcination of talc is 6-8 hours.
3. a kind of easy clean domestic porcelain according to claim 1, it is characterised in that：The frit is to distinguish by weight
Quartzy 15-25 weight portions, feldspar 30-40 weight portions, talcum 2-4 weight portions, borax 12-18 weight portions, the zinc oxide 1-4 weights for taking
Amount part, barium carbonate 1-4 weight portions, lithium carbonate 1-4 weight portions, aluminium hydroxide 2-8 weight portions and strontium carbonate 2-8 weight portion conducts
After raw material is mixed, the melting under 1350-1400 DEG C of environment to be entered back into cool down in clear water and formed.
4. a kind of easy clean domestic porcelain according to claim 1, it is characterised in that：The fine grinding kaolin is by kaolin
Eluriated through water, fine grinding is formed after going the removal of impurity, the kaolinic fineness of the fine grinding is 150nm-280nm.
5. a kind of preparation method of easy clean domestic porcelain, it is characterised in that：The easy clean domestic porcelain is that claim 1-4 is any
Easy clean domestic porcelain described in, the preparation method step of the easy clean domestic porcelain is as follows：
1）It is prepared by blank：Take by weight making base substrate needed for raw material, and raw material is carried out mixed grinding, sieving successively, except iron
After old, mud cake is made, then mud cake is carried out into pugging, obtain blank standby；
2）It is prepared by glaze：Raw material needed for taking making glaze layer by weight, raw material is carried out mixed grinding, sieving successively and except iron
Afterwards, add clear water to be allocated, obtain glaze standby；
3）Shaping finishing：Take step 1）The blank of acquisition is processed shaping, then the product of shaping is placed in into normal temperature and pressure environment
Lower natural drying, obtains molding blank, then molding blank is carried out into figuring of surface, makes molding blank surfacing, and continue to put
In being spontaneously dried under normal temperature and pressure environment, repaired biscuit base substrate is obtained；
4）Biscuiting glaze spraying：To step 3）Repaired biscuit base substrate carry out high temperature biscuiting, obtain biscuiting base substrate, then by the heating of biscuiting base substrate
Afterwards, biscuiting base substrate uniform rotation is made, and by step 2）Obtained glaze is sprayed at biscuiting billet surface, glaze layer is formed, with rearmounted
In being spontaneously dried under normal temperature and pressure environment, glaze spraying base substrate is obtained；
5）Finished product burns till：To step 4）The glaze spraying base substrate high temperature of acquisition burns till, and burns till and finishes rear Temperature fall, then carries out at chilling
Reason, then carries out second Temperature fall, obtains the finished product of easy clean domestic porcelain.
6. the preparation method of a kind of easy clean domestic porcelain according to claim 5, it is characterised in that：The step 1）Original
Clear water is added after material mixing carries out wet ball grinding, and the raw material after ball milling crosses the sieve of 220 mesh, and by magnetic separator de-ironing except iron treatment, then
Old treatment is carried out into storage basin by being deposited except the raw material after iron, the old time is 36-48 hours, then will be old by filter press
Raw material press filtration after corruption is into mud cake, then by mud cake by pug mill pugging, and the blank for preparing mass water content 22-24% is standby.
7. the preparation method of a kind of easy clean domestic porcelain according to claim 5, it is characterised in that：The step 2）Original
Adding clear water after material mixing carries out wet ball grinding, and the sieve of 250 mesh is crossed through the raw material of ball milling, and is carried out except iron treatment by magnetic separator de-ironing,
Clear water is subsequently added, the glaze that concentration is 60 ± 2 Baume degrees is deployed into standby.
8. the preparation method of a kind of easy clean domestic porcelain according to claim 5, it is characterised in that：The step 3）In adopt
Blank is processed with injection forming, pressure, roll forming, isostatic pressing and other machine-shaping modes
Shaping, then the molding blank of acquisition is deposited in into natural drying 10-12 hours on plank, then using clear water, sand paper and cotton
After carrying out figuring of surface to molding blank, deposit in and spontaneously dried 6-10 hours on plank.
9. the preparation method of a kind of easy clean domestic porcelain according to claim 5, it is characterised in that：The step 4）Using
Ceramic kiln, by step 3）The repaired biscuit base substrate of acquisition is placed in and biscuiting is carried out in oxidizing atmosphere, and biscuiting temperature is 1270 DEG C -1280
DEG C, the biscuiting time is 10-12 hours, then makes the biscuiting base substrate natural cooling of acquisition, then, biscuiting base substrate is heated,
Biscuiting billet surface temperature is reached 80-90 DEG C, then biscuiting base substrate is positioned on turntable, make biscuiting base substrate with 45-65 revs/min
The rotating speed uniform rotation of clock, glaze spraying is carried out using spray gun to the biscuiting base substrate for rotating, and biscuiting billet surface is uniformly sprayed thickness
After spending the glaze layer for 1.0-1.5mm, deposit in and spontaneously dried 8-12 hours on plank.
10. the preparation method of a kind of easy clean domestic porcelain according to claim 5, it is characterised in that：The step 5）Adopt
With ceramic kiln, to step 4）The glaze spraying base substrate of acquisition is placed in oxidizing atmosphere and is burnt till, and firing temperature is 1160-1170
DEG C, firing time is 12-14 hours, when kiln in-furnace temperature reaches firing temperature, constant temperature 10-15 minutes, then, ceramic kiln
Stop heating, when allowing ceramic kiln temperature to drop to 1140-1150 DEG C naturally, open wicket, wicket is outputed the folder of 20-30cm
Seam, allows the outer air of ceramic kiln to enter in ceramic kiln by crack, makes sharp temperature drop in ceramic kiln, to ceramic kiln
Interior glaze spraying base substrate carries out quenching, when temperature drop is to 660-680 DEG C in kiln, wicket is closed, by ceramic kiln
Temperature is naturally cooling to less than 100 DEG C, and the finished product of easy clean domestic porcelain is obtained, and last wicket is opened completely, takes out ceramic kiln
Interior finished product.
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