CN104150873A - Longquan celadon crackle glaze wine bottle and preparation method thereof - Google Patents
Longquan celadon crackle glaze wine bottle and preparation method thereof Download PDFInfo
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- CN104150873A CN104150873A CN201410420847.5A CN201410420847A CN104150873A CN 104150873 A CN104150873 A CN 104150873A CN 201410420847 A CN201410420847 A CN 201410420847A CN 104150873 A CN104150873 A CN 104150873A
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Abstract
The invention relates to a longquan celadon crackle glaze wine bottle and a preparation method thereof. Raw material proportions of a blank material, an internal glaze and an external glaze of the bottle are respectively described as follows: the blank material comprises: 40-55% of Longyan kaolin, 15-25% of Longquan china clay, 8-20% of potassium feldspar, 7-15% of quartz and 5-10% of zijin clay; the internal glaze comprises: 65-70% of glaze fruit, 12-25% of glaze ash and 5-10% of zijin clay; and the external glaze comprises: 60-70% of potassium feldspar, 8-15% of quartz, 8-13% of Longyan kaolin, 8-15% of glaze ash, 5-13% of zijin clay and 0.2-0.4% of Fe2O3. On the basis of above raw materials, the longquan celadon crackle glaze wine bottle is prepared by following steps: preparing slurry, performing an injection moulding process to obtain a wet blank; performing a drying process, a trimming process and a biscuiting process to complete a blank manufacturing process; and finally applying the internal glaze and the external glaze and performing a glazing firing process to obtain a finished product of the longquan celadon crackle glaze wine bottle. The bottle is free of stripes on the internal glaze. The external glaze is decorated through crackles. The bottle is good in quality and is free of internal leakage of wine. The method is low in cost and good in effect.
Description
Technical field
The invention belongs to porcelain field, relate to tire, glaze compound method and the manufacture craft of a kind of Longquan celadon crack glaze bottle and this bottle.
Background technology
Since ancient times, Longquan celadon glaze has two kinds of distinct trailings, one, and glaze is without line, and glaze colours be take pale blue, plum green as main, is commonly called as " Di kiln "; Its two, take glaze cracking as main decorative effect, be commonly called as " brother's kiln ", be one of Song dynasties five your name's kiln.In recent years, Longquan celadon industrial scale expands gradually, and many technician have launched more research to crack glaze, has obtained certain achievement.As State Patent Office's patent No. patent of invention " a kind of making method of middle temperature ceramics for daily use crackle glaze " that is CN200810030924, introduce triphane etc. and fire middle temperature ceramics for daily use crackle glaze containing lithium raw material, but this glaze tooling cost is higher, as bottle glaze, has certain limitation; For another example the patent of invention that the patent No. is CN200910103531 " a kind of technique for manufacturing crack glaze ceramic bottle " is heated to 40 degrees Celsius by the porcelain body of porcelain and imposes crack glaze again in baking oven, lower than 50~150 ℃ of firing temperatures, firing and forming, though the method can reach the method for glaze flawless in bottle, outer glaze crackle decoration, but use the method to fire the extremely difficult glaze layer thickness of controlling of crack glaze bottle, easily produce the glazing defects such as contracting glaze, pinprick, bubble, there is limitation.
At present, inside and outside the bottle of Longquan celadon making field crack glaze, all there is crackle, the in the situation that of long-term storage wine, liquid infiltrates the crackle by interior glaze wall in tire, causes carcass wet swelling, when carcass wet swelling coefficient is greater than glaze tensile factor, tyre sidewall can produce be full of cracks, finally causes oozing wine.As can be seen here, the crack glaze bottle of common making can not meet the specific requirement of long-term storage wine.
Summary of the invention
Technical problem to be solved by this invention is to be to provide a kind of interior glaze without line, the Longquan celadon crack glaze bottle that outer glaze is decorated with crackle, and this Longquan celadon crack glaze bottle is difficult for oozing wine in the process of long-term storage wine, and interior glaze does not ftracture, inside and outside glaze quality better;
Another technical problem to be solved of the present invention is to provide a kind of production cost low, and yield rate is high, and glazing defect is few, the preparation method of the Longquan celadon crack glaze bottle of wine-bottle integral quality better, and this preparation method is also adapted to enterprise's scale operation.
In order to solve above-mentioned technical problem to be solved, the technical solution adopted in the present invention is as follows:
A kind of Longquan celadon crack glaze bottle, adopt raw mineral materials to prepare blank and interior glaze, adopt raw mineral materials and add the outer glaze of industrial chemicals preparation, the proportioning raw materials in its blank, interior glaze and outer glaze is as follows by weight percentage respectively: (i) blank: Longyan kaolin 40~55%, dragon's fountain china clay 15~25%, potassium felspar sand 8~20%, quartz 7~15%, Zijin soil 5~10%; Described blank feed composition amounts to 100%; (ii) interior glaze: glaze fruit 65~75%, glaze ash 15~25%, Zijin soil 5~10%; Described interior glaze feed composition amounts to 100%; (iii) outer glaze: potassium felspar sand 60~70%, quartz 8~15%, Longyan kaolin 5~10%, glaze ash 8~15%, Zijin soil 5~13%, Fe
2o
30.2~0.4%, described outer glaze feed composition amounts to 100%; And by changing slurry in described being positioned over of blank stock tank, make material-water ratio reach 1:0.5~0.7, and add 0.2~0.4% water glass and 0.02~0.05% tripoly phosphate sodium STPP; Injection molding makes wet base, again through super-dry, repaired biscuit, biscuiting operation, complete base; Then through executing interior glaze, being about to described interior glaze raw material ratio remodulates is the mixed solution of 50~60 degree in Baume concentration, and by the bottle base dedusting after biscuiting, bottle oral area down, is sprayed interior glaze and formed interior glaze layer; Through executing outer glaze, soon described in Longquan celadon crack glaze bottle, outer glaze raw material ratio remodulates is the mixed solutions of 40~50 degree in Baume concentration, will execute the base dedusting of interior glaze, executes upper outside glaze and forms outer glaze layer again; Finally, through glaze firing, be about to the celadon base substrate of inside and outside glazing, packing high-temperature shuttle kiln atmosphere furnace into fires 9~11 hours, make kiln temperature rise to gradually 1280~1300 ℃ from normal temperature, be incubated flame-out naturally cooling after 30~60 minutes, obtain Longquan celadon crack glaze bottle finished product.
As the further preferred version of the present invention, described in execute interior glaze and adopt pressure spray glazing to execute interior glaze, between interior glaze layer thickness to 0.1~0.15mm; Describedly execute outer glaze and adopt glaze method to execute outer glaze, between outer glaze layer thickness to 0.3~0.8mm, make its inside and outside glaze quality better.
As the further preferred version of the present invention, the outer glaze layer thermal expansivity of described preparation is 10~13 * 10
-6/ ℃, interior glaze layer thermal expansivity is 4~8 * 10
-6/ ℃, the difference of this coefficient of expansion, can clearly distinguish the boundary of interior glaze and outer glaze, with glaze in more stably guaranteeing to form without line, the decorative effect of outer glaze crackle.
As the further preferred version of the present invention, described biscuiting is by the celadon base substrate after repaired biscuit operation, puts into biscuit kiln and fires 5~7 hours, makes kiln temperature rise to gradually 780~880 ℃ from normal temperature, is incubated flame-out naturally cooling after 10~20 minutes.
A preparation method for Longquan celadon crack glaze bottle, comprises the following steps:
A. molding: make bottle plaster mould kind, and make gypsum mold, dry 1~2 day;
B. change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.5~0.7, and add 0.2~0.4% water glass and 0.02~0.05% tripoly phosphate sodium STPP;
C. base: the mud of having changed is injected to gypsum mold by slip casing by pressure pipe, after thickness reaches 5mm~7mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity;
D. dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 20~24 hours;
E. repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, scrape bad mold joint, refine;
F. biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 5~7 hours, make kiln temperature rise to gradually 780~880 ℃ from normal temperature, be incubated flame-out naturally cooling after 10~20 minutes, obtain Longquan celadon bottle biscuit;
G. execute interior glaze: glaze proportion in Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 50~60 degree, and by the bottle base high-pressure pump dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze down, interior glaze layer thickness is 0.1~0.15mm;
H. dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 3~5 hours;
I. execute outer glaze: the outer glaze proportion of Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 40~50 degree, by the high-pressure pump dedusting of the base of executing interior glaze, adopts glaze method to execute outer glaze, outer glaze layer thickness is 0.3~0.8mm;
J. scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
K. glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 9~11 hours, make kiln temperature rise to gradually 1280~1300 ℃ from normal temperature, be incubated flame-out naturally cooling after 30~60 minutes, obtain finished product.
As preferably, described blank and interior glaze raw material adopt common raw mineral materials, and described outer glaze raw material adopts common raw mineral materials and adds a small amount of industrial chemicals; The outer glaze layer thermal expansivity of described preparation is 10~13 * 10
-6/ ℃, interior glaze layer thermal expansivity is 4~8 * 10
-6/ ℃, the coefficient of difference of this coefficient of expansion, can clearly distinguish the boundary of interior glaze and outer glaze, with glaze in more stably guaranteeing to form without line, the decorative effect of outer glaze crackle.
Further, in above-mentioned preparation method, step K also comprised as the next stage:
A. pre-heating stage: fire 2~2.5 hours with the heat-up rate of 2.5~3 ℃/min, make kiln temperature rise to 300~350 ℃ from normal temperature, get rid of residual moisture in base substrate;
B. oxidation stage: fire and make kiln temperature rise to 950~980 ℃ for 2.5~2.8 hours with the heat-up rate of 4~4.5 ℃/min, crystal water is got rid of, organism, sulfide oxidation, carbonate decomposition, quartzy crystal conversion;
C. be oxidized holding stage: make kiln temperature be stabilized in 980~985 ℃, be incubated 1~1.2 hour, contribute to the discharge of gas in base substrate, inside and outside glaze;
D. strong reduction phase: fire and make kiln temperature rise to 1200~1220 ℃ for 2~2.5 hours with the heat-up rate of 1.5~2 ℃/min, and make kiln air pressure remain on 0.03~0.04MPa, make ferric iron in formula fully be reduced into ferrous iron;
E. weak reduction phase: through 1~1.5 hour, kiln temperature is risen to 1280~1300 ℃ again, make glaze layer fully matured, ferrous iron is fixed;
F. high fiery holding stage: kiln temperature is controlled to 1280~1300 ℃, is incubated after 0.5~1 hour only fire;
G. cooling stages: adopt natural cooling, kiln discharge after kiln temperature is cooled to 50~70 ℃, has fired, and obtains Longquan celadon crack glaze bottle finished product.Adopt the bottle quality better of not only firing in this way, and yield rate is better.
The present invention compares with background technology, raw material in blank of the present invention, interior glaze and outer glaze from selecting materials, proportioning in conjunction with manufacture technology field, wherein: by Longyan kaolin 40~55%, dragon's fountain china clay 15~25%, potassium felspar sand 8~20%, quartzy 7~15% and the made blank of Zijin soil 5~10%, the thermal expansivity at 1280~1300 ℃ after burning till is 5~7 * 10
-6/ ℃; Thermal expansivity by the made interior glaze raw material of glaze fruit 65~75%, glaze ash 15~25% and Zijin soil 5~10% interior glaze layer after burning till at 1280~1300 ℃ is 4~8 * 10
-6/ ℃; And potassium felspar sand 60~70%, quartz 8~15%, Longyan kaolin 5~10%, glaze ash 8~15%, Zijin soil 5~13% and Fe
2o
3at 1280~1300 ℃, the outer glaze layer thermal expansivity after burning till is 10~13 * 10 to 0.2~0.4% made outer glaze raw material
-6/ ℃; Visible, the thermal expansivity that burns out outer glaze layer is larger than mold thermal expansivity, and interior glaze layer thermal expansivity, close to the thermal expansivity of mold, therefore obtains a kind of interior glaze flawless, the Longquan celadon bottle that outer glaze is decorated with crackle.
Meanwhile, not only novelty is unique but also cost is lower, be adapted to enterprise's scale operation for the preparation method of above-mentioned Longquan celadon crack glaze bottle, has very large application prospect.Through experimental verification, the Longquan celadon crack glaze bottle of preparing in conjunction with above-mentioned preparation method, the glaze layer thickness preparing on it is even, quality better, can easily not produce the glazing defects such as contracting glaze, pinprick, bubble, and adopt blank, interior glaze raw material and outer glaze raw material select guarantee that the difference of outer glaze layer thermal expansivity that it is prepared and interior glaze layer or base substrate thermal expansivity is larger, thereby making the interior glaze of obtained bottle store up for a long time wine does not crack, both can meet bottle storage wine function, there is again celadon crack glaze decorative effect.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1:
The Longquan celadon crack glaze bottle of the present embodiment, adopts raw mineral materials to prepare blank and interior glaze, adopts raw mineral materials and adds the outer glaze of industrial chemicals preparation.
Particularly, blank: formulation weight percentage composition is Longyan kaolin 52%, dragon's fountain china clay 20%, potassium felspar sand 10%, quartz 10%, Zijin soil 8%.According to said ratio, weigh, after raw material mixes, take and expect: ball: water is than packing in ball mill through 4 hours ball millings for 1:2:0.6, cross 100 mesh sieves after slurry is old through 36 hours, through dewatering, after pugging technique, make blank.
Interior glaze raw material: formulation weight percentage composition is glaze fruit 72%, glaze ash 20%, Zijin soil 8%.According to said ratio, weigh, after raw material mixes, take and expect: ball: water is than packing in ball mill through 2 hours ball millings as 1:2:0.6, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
Outer glaze raw material: formulation weight percentage composition is potassium felspar sand 65.7%, quartz 10%, Longyan kaolin 6%, glaze ash 10%, Zijin soil 8%, industrial Fe
2o
30.3%.According to said ratio, weigh, after raw material is mixed, take and expect: ball: water is than packing into as 1:2:0.6 in ball mill through 24 hours ball millings, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
Make after raw material, more in accordance with the following steps:
1) molding: produce according to design requirements the celadon bottle plaster mould kind that finished product capacity is 500ml, and make gypsum mold, dry 1 day;
2) change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.5, and add 0.2% water glass and 0.03% tripoly phosphate sodium STPP;
3) base: the mud of having changed is injected to gypsum mold by slip casing by pressure pipe, after thickness reaches 6mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity;
4) dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 20 hours;
5) repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, scrape bad mold joint, refine;
6) biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 6 hours, make kiln temperature rise to gradually 800 ℃ from normal temperature, be incubated flame-out naturally cooling after 10 minutes, obtain Longquan celadon bottle biscuit;
7) execute interior glaze: glaze proportion in Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 50 degree, and by the bottle base high-pressure pump dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze down, glaze layer thickness is 0.1mm;
8) dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 3 hours;
9) execute outer glaze: the outer glaze proportion of Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 40 degree, will executes the base dedusting of interior glaze, adopt glaze method to execute outer glaze, glaze layer thickness is 0.5 mm;
10) scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
11) glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 10.5 hours, make kiln temperature rise to gradually 1280 ℃ from normal temperature, be incubated flame-out naturally cooling after 30 minutes, obtain finished product.
In order to calculate better thermal expansivity, its chemical constitution of above-mentioned raw materials that this embodiment adopts is as shown in table 1 below:
Table 1: above-mentioned each raw material chemical constitution unit: %
Embodiment 2:
The Longquan celadon crack glaze bottle of the present embodiment, adopts raw mineral materials to prepare blank and interior glaze, adopts raw mineral materials and adds the outer glaze of industrial chemicals preparation.
Particularly, blank: formulation weight percentage composition is Longyan kaolin 46%, dragon's fountain china clay 20%, potassium felspar sand 14%, quartz 10%, Zijin soil 10%.After mixing according to blank formulation raw materials weighing, take and expect: ball: water is than packing in ball mill through 4 hours ball millings for 1:2:0.6, cross 100 mesh sieves after slurry is old through 36 hours, through dewatering, after pugging technique, make blank.
Interior glaze raw material: formulation weight percentage composition is glaze fruit 74%, glaze ash 18%, Zijin soil 8%.According to said ratio, weigh, after raw material mixes, take and expect: ball: water is than packing in ball mill through 2 hours ball millings as 1:2:0.6, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
Outer glaze raw material: formulation weight percentage composition is potassium felspar sand 64.8%, quartz 11%, Longyan kaolin 5%, glaze ash 9%, Zijin soil 10%, industrial Fe
2o
30.2%.According to said ratio, weigh, after raw material is mixed, take and expect: ball: water is than packing into as 1:2:0.6 in ball mill through 24 hours ball millings, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
Make after raw material, more in accordance with the following steps:
1) molding: produce according to design requirements the celadon bottle plaster mould kind that finished product capacity is 500ml, and make gypsum mold, dry 1 day;
2) change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.5, and add 0.2% water glass and 0.03% tripoly phosphate sodium STPP;
3) base: the mud of having changed is injected to gypsum mold by slip casing by pressure pipe, after thickness reaches 6mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity;
4) dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 20 hours;
5) repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, scrape bad mold joint, refine;
6) biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 6 hours, make kiln temperature rise to gradually 800 ℃ from normal temperature, be incubated flame-out naturally cooling after 10 minutes, obtain Longquan celadon bottle biscuit;
7) execute interior glaze: glaze proportion in Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 50 degree, and by the bottle base high-pressure pump dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze down, glaze layer thickness is 0.1mm;
8) dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 3 hours;
9) execute outer glaze: the outer glaze proportion of Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 40 degree, by the high-pressure pump dedusting of the base of executing interior glaze, adopts glaze method to execute outer glaze, glaze layer thickness is 0.5mm;
10) scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
11) glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 10.5 hours, make kiln temperature rise to gradually 1280 ℃ from normal temperature, be incubated flame-out naturally cooling after 30 minutes, obtain finished product.
Embodiment 3:
The Longquan celadon crack glaze bottle of the present embodiment, adopts raw mineral materials to prepare blank and interior glaze, adopts raw mineral materials and adds the outer glaze of industrial chemicals preparation.
Particularly, blank: formulation weight percentage composition is Longyan kaolin 46%, dragon's fountain china clay 17%, potassium felspar sand 15%, quartz 12%, Zijin soil 10%.After mixing according to blank formulation raw materials weighing, take and expect: ball: water is than packing in ball mill through 4 hours ball millings for 1:2:0.6, cross 100 mesh sieves after slurry is old through 36 hours, through dewatering, after pugging technique, make blank.
Interior glaze raw material: formulation weight percentage composition is glaze fruit 70%, glaze ash 20%, Zijin soil 10%.According to said ratio, weigh, after raw material mixes, take and expect: ball: water is than packing in ball mill through 2 hours ball millings as 1:2:0.6, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
Outer glaze raw material: formulation weight percentage composition is potassium felspar sand 67.6%, quartz 10%, Longyan kaolin 8%, glaze ash 8%, Zijin soil 6%, industrial Fe
2o
30.4%.According to said ratio, weigh, after raw material is mixed, take and expect: ball: water is than packing into as 1:2:0.6 in ball mill through 24 hours ball millings, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
And by changing slurry in described being positioned over of blank stock tank, make material-water ratio reach 1:0.6, and add 0.4% water glass and 0.04% tripoly phosphate sodium STPP; Injection molding makes wet base, again through super-dry, repaired biscuit, biscuiting operation, complete base.Wherein biscuiting is by the celadon base substrate after repaired biscuit operation, puts into biscuit kiln and fires 7 hours, makes kiln temperature rise to gradually 800 ℃ from normal temperature, is incubated flame-out naturally cooling after 10~20 minutes.Then through executing interior glaze, being about to described interior glaze raw material ratio remodulates is the mixed solution of 55 degree in Baume concentration, and by the bottle base high-pressure pump dedusting after biscuiting, bottle oral area, adopts pressure spray glazing to execute interior glaze down, and interior glaze layer thickness is to 0.14mm.Through executing outer glaze, soon described in Longquan celadon crack glaze bottle, outer glaze raw material ratio remodulates is the mixed solution of 44 degree in Baume concentration again, by the high-pressure pump dedusting of the base of executing interior glaze, adopts glaze method to execute outer glaze, and outer glaze layer thickness is to 0.8mm.Finally, through glaze firing, be about to the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 10 hours, make kiln temperature rise to gradually 1300 ℃ from normal temperature, be incubated flame-out naturally cooling after 50 minutes, obtain Longquan celadon crack glaze bottle finished product.
Embodiment 4:
The Longquan celadon crack glaze bottle of the present embodiment, adopts raw mineral materials to prepare blank and interior glaze, adopts raw mineral materials and adds the outer glaze of industrial chemicals preparation.
Particularly, blank: formulation weight percentage composition is Longyan kaolin 50%, dragon's fountain china clay 20%, potassium felspar sand 12%, quartz 10%, Zijin soil 8%.After mixing according to blank formulation raw materials weighing, take and expect: ball: water is than packing in ball mill through 4 hours ball millings for 1:2:0.6, cross 100 mesh sieves after slurry is old through 36 hours, through dewatering, after pugging technique, make blank.
Interior glaze raw material: formulation weight percentage composition is glaze fruit 69%, glaze ash 22%, Zijin soil 9%.According to said ratio, weigh, after raw material mixes, take and expect: ball: water is than packing in ball mill through 2 hours ball millings as 1:2:0.6, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
Outer glaze raw material: formulation weight percentage composition is potassium felspar sand 64%, quartz 10%, Longyan kaolin 6%, glaze ash 10%, Zijin soil 9.6%, industrial Fe
2o
30.4%.According to said ratio, weigh, after raw material is mixed, take and expect: ball: water is than packing into as 1:2:0.6 in ball mill through 24 hours ball millings, and it is below 0.05% that glaze fineness reaches tailing over of 10000-hole sieve.
And by changing slurry in described being positioned over of blank stock tank, make material-water ratio reach 1:0.7, and add 0.2% water glass and 0.05% tripoly phosphate sodium STPP; Injection molding makes wet base, again through super-dry, repaired biscuit, biscuiting operation, complete base.Wherein biscuiting is by the celadon base substrate after repaired biscuit operation, puts into biscuit kiln and fires 7 hours, makes kiln temperature rise to gradually 780 ℃ from normal temperature, is incubated flame-out naturally cooling after 10~20 minutes.Then through executing interior glaze, being about to described interior glaze raw material ratio remodulates is the mixed solution of 55 degree in Baume concentration, and by the bottle base dedusting after biscuiting, bottle oral area, adopts pressure spray glazing to execute interior glaze down, and interior glaze layer thickness is to 0.1mm.Through executing outer glaze, soon described in Longquan celadon crack glaze bottle, outer glaze raw material ratio remodulates is the mixed solution of 44 degree in Baume concentration, will execute the base dedusting of interior glaze again, adopts glaze method to execute outer glaze, and outer glaze layer thickness is to 0.5mm.Finally, through glaze firing, be about to the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 11 hours, make kiln temperature rise to gradually 1290 ℃ from normal temperature, be incubated flame-out naturally cooling after 45 minutes, obtain Longquan celadon crack glaze bottle finished product.
Embodiment 5:
The present embodiment provides a kind of preparation method of Longquan celadon crack glaze bottle, and this preparation method comprises the following steps:
1) molding: making finished product capacity according to design requirements is 1500ml celadon bottle plaster mould kind, and makes gypsum mold, dries 2 days.
2) change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.6, and add 0.4% water glass and 0.02% tripoly phosphate sodium STPP;
3) base: the mud of having changed is injected to gypsum mold by penstock, after thickness reaches 5mm~7mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity.
4) dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 24 hours;
5) repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, scrape bad mold joint, refine;
6) biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 8 hours, make kiln temperature rise to gradually 850 ℃ from normal temperature, be incubated flame-out naturally cooling after 20 minutes, obtain Longquan celadon bottle biscuit;
7) execute interior glaze: by interior glaze raw material ratio remodulates, be the mixed solution of 60 degree in Baume concentration, and by the bottle base high-pressure pump dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze, glaze layer thickness is 0.15mm down;
8) dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 5 hours;
9) execute outer glaze: by outer glaze raw material ratio remodulates, be the mixed solution of 45 degree in Baume concentration, by the high-pressure pump dedusting of the base of executing interior glaze, adopt glaze method to execute outer glaze, glaze layer thickness is 0.8 mm;
10) scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
11) glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 10.1 hours, make kiln temperature rise to gradually 1285 ℃ from normal temperature, be incubated flame-out naturally cooling after 60 minutes, obtain finished product.
Described step 11) specific operation process in comprises: a. pre-heating stage: with the heat-up rate of 2.5 ℃/min, fire 2 hours, make kiln temperature rise to 300 ℃ from normal temperature, get rid of residual moisture in base substrate; B. oxidation stage: fire and make kiln temperature rise to 950 ℃ for 2.7 hours with the heat-up rate of 4 ℃/min, crystal water is got rid of, organism, sulfide oxidation, carbonate decomposition, quartzy crystal conversion; C. be oxidized holding stage: make kiln temperature be stabilized in 980 ℃, be incubated 1 hour, contribute to the discharge of gas in base substrate, inside and outside glaze; D. strong reduction phase: fire and make kiln temperature rise to 1200 ℃ for 2.4 hours with the heat-up rate of 1.5 ℃/min, and make kiln air pressure remain on 0.03Mpa, make ferric iron in formula fully be reduced into ferrous iron; E. weak reduction phase: through 1 hour, kiln temperature is risen to 1285 ℃ again, make glaze layer fully matured, ferrous iron is fixed; F. high fiery holding stage: kiln temperature is controlled to 1285 ℃, is incubated after 1 hour only fire; G. cooling stages: adopt natural cooling, kiln discharge after kiln temperature is cooled to 50~70 ℃, has fired, and obtains Longquan celadon crack glaze bottle finished product.Adopt the bottle quality better of not only firing in this way, and yield rate is better.
Embodiment 6:
The present embodiment provides a kind of preparation method of Longquan celadon crack glaze bottle, and this preparation method comprises the following steps:
1) molding: making finished product capacity according to design requirements is 1500ml celadon bottle plaster mould kind, and makes gypsum mold, dries 1.5 days.
2) change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.5, and add 0.2% water glass and 0.03% tripoly phosphate sodium STPP;
3) base: the mud of having changed is injected to gypsum mold by penstock, after thickness reaches 7mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity.
4) dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 22 hours;
5) repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, scrape bad mold joint, refine;
6) biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 6 hours, make kiln temperature rise to gradually 850 ℃ from normal temperature, be incubated flame-out naturally cooling after 18 minutes, obtain Longquan celadon bottle biscuit;
7) execute interior glaze: by interior glaze raw material ratio remodulates, be the mixed solution of 57 degree in Baume concentration, and by the bottle base high-pressure pump dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze, glaze layer thickness is 0.12mm down;
8) dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 3 hours;
9) execute outer glaze: by outer glaze raw material ratio remodulates, be the mixed solution of 42 degree in Baume concentration, by the high-pressure pump dedusting of the base of executing interior glaze, adopt glaze method to execute outer glaze, glaze layer thickness is 0.6mm;
10) scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
11) glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 10.8 hours, make kiln temperature rise to gradually 1290 ℃ from normal temperature, be incubated flame-out naturally cooling after 60 minutes, obtain finished product.
Described step 11) specific operation process in comprises: a. drying stage: with the heat-up rate of 3 ℃/min, fire 2.5 hours, make kiln temperature rise to 440 ℃; B. oxidation stage: with the heat-up rate of approximately 4 ℃/min, fire and within 2 hours, make kiln temperature rise to 977 ℃, steam and oxygenolysis gaseous product are fully volatilized, and organism, sulfide oxidation, carbonate decomposition, quartzy crystal conversion; C. holding stage: make kiln temperature be stabilized in 980 ℃, be incubated 1.3 hours, contribute to the discharge of gas in tire (being base substrate), glaze; D. strong reduction phase: fire and make kiln temperature rise to 1200 ℃ for 3 hours with the heat-up rate of 1.2 ℃/min, and make kiln air pressure remain on 0.04Mpa, make ferric iron in formula fully be reduced into ferrous iron; E. weak reduction phase: through 2.5 hours, kiln temperature is risen to 1285 ℃ again, make glaze layer fully matured, ferrous iron is fixed; F. holding stage: kiln temperature is controlled to 1285 ℃, is incubated after 1 hour only fire; G. cooling stages: adopt natural cooling, kiln discharge after kiln temperature is cooled to 50 ℃, has fired, and obtains Longquan celadon crack glaze bottle finished product of the present invention.Adopt the bottle quality better of not only firing in this way, and yield rate is better.
Embodiment 7:
The present embodiment provides a kind of preparation method of Longquan celadon crack glaze bottle, and this preparation method comprises the following steps:
1) molding: making finished product capacity according to design requirements is 1500ml celadon bottle plaster mould kind, and makes gypsum mold, dries 1.5 days.
2) change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.4, and add 0.2% water glass and 0.04% tripoly phosphate sodium STPP;
3) base: the mud of having changed is injected to gypsum mold by penstock, after thickness reaches 5mm~7mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity.
4) dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 20 hours;
5) repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, refine;
6) biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 6 hours, make kiln temperature rise to gradually 800 ℃ from normal temperature, be incubated flame-out naturally cooling after 15 minutes, obtain Longquan celadon bottle biscuit;
7) execute interior glaze: by interior glaze raw material ratio remodulates, be the mixed solution of 52 degree in Baume concentration, and by the bottle base dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze, glaze layer thickness is 0.11mm down;
8) dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 4 hours;
9) execute outer glaze: by outer glaze raw material ratio remodulates, be the mixed solution of 45 degree in Baume concentration, will execute the base dedusting of interior glaze, adopt glaze method to execute outer glaze, glaze layer thickness is 0.8mm;
10) scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
11) glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 12 hours, make kiln temperature rise to gradually 1280 ℃ from normal temperature, be incubated flame-out naturally cooling after 45 minutes, obtain finished product.
Above-mentioned steps 11) specific operation process in comprises: a. drying stage: with the heat-up rate of 2.6 ℃/min, fire 2.8 hours, make kiln temperature rise to 445 ℃; B. oxidation stage: with the heat-up rate of approximately 4.2 ℃/min, fire and within 2 hours, make kiln temperature rise to 980 ℃, steam and oxygenolysis gaseous product are fully volatilized, and organism, sulfide oxidation, carbonate decomposition, quartzy crystal conversion; C. holding stage: make kiln temperature be stabilized in 983 ℃, be incubated 1.3 hours, contribute to the discharge of gas in tire (being base substrate), glaze; D. strong reduction phase: fire and make kiln temperature rise to 1200 ℃ for 3 hours with the heat-up rate of 1.4 ℃/min, and make kiln air pressure remain on 0.04Mpa to make ferric iron in formula fully be reduced into ferrous iron; E. weak reduction phase: through 2.5 hours, kiln temperature is risen to 1285 ℃ again, make glaze layer fully matured, ferrous iron is fixed; F. holding stage: kiln temperature is controlled to 1280 ℃, is incubated after 1 hour only fire; G. cooling stages: adopt natural cooling, kiln discharge after kiln temperature is cooled to 68 ℃, has fired, and obtains Longquan celadon crack glaze bottle finished product of the present invention.Adopt the bottle quality better of not only firing in this way, and yield rate is better.
Base substrate and interior glaze layer that above-mentioned preparation method adopts adopt common raw mineral materials to be prepared from, and are prepared from industrial Fe wherein and outer glaze layer adopts common raw mineral materials and add a small amount of industrial chemicals
2o
3being exactly industrial chemicals, is not natural mineral.
Claims (7)
1. a Longquan celadon crack glaze bottle, adopts raw mineral materials to prepare blank and interior glaze, adopts raw mineral materials and adds the outer glaze of industrial chemicals preparation, it is characterized in that: the proportioning raw materials in its blank, interior glaze and outer glaze is as follows by weight percentage respectively:
(i) blank: Longyan kaolin 40~55%, dragon's fountain china clay 15~25%, potassium felspar sand 8~20%, quartz 7~15%, Zijin soil 5~10%; Described blank feed composition amounts to 100%;
(ii) interior glaze: glaze fruit 65~75%, glaze ash 15~25%, Zijin soil 5~10%; Described interior glaze feed composition amounts to 100%;
(iii) outer glaze: potassium felspar sand 60~70%, quartz 8~15%, Longyan kaolin 5~10%, glaze ash 8~15%, Zijin soil 5~13%, Fe
2o
30.2~0.4%; Described outer glaze feed composition amounts to 100%;
And by changing slurry in described being positioned over of blank stock tank, make material-water ratio reach 1:0.5~0.7, and add 0.2~0.4% water glass and 0.02~0.05% tripoly phosphate sodium STPP; Injection molding makes wet base, again through super-dry, repaired biscuit, biscuiting operation, complete base;
Then through executing interior glaze, being about to described interior glaze raw material ratio remodulates is the mixed solution of 50~60 degree in Baume concentration, and by the bottle base dedusting after biscuiting, bottle oral area down, is sprayed interior glaze and formed interior glaze layer;
Through executing outer glaze, soon described in Longquan celadon crack glaze bottle, outer glaze raw material ratio remodulates is the mixed solutions of 40~50 degree in Baume concentration, will execute the base dedusting of interior glaze, executes upper outside glaze and forms outer glaze layer again;
Finally, through glaze firing, be about to the celadon base substrate of inside and outside glazing, packing high-temperature shuttle kiln atmosphere furnace into fires 9~11 hours, make kiln temperature rise to gradually 1280~1300 ℃ from normal temperature, be incubated flame-out naturally cooling after 30~60 minutes, obtain Longquan celadon crack glaze bottle finished product.
2. a kind of Longquan celadon crack glaze bottle according to claim 1, is characterized in that: described in execute interior glaze and adopt pressure spray glazing to execute interior glaze, between interior glaze layer thickness to 0.1~0.15mm; Describedly execute outer glaze and adopt glaze method to execute outer glaze, between outer glaze layer thickness to 0.5~1mm.
3. a kind of Longquan celadon crack glaze bottle according to claim 2, is characterized in that: the outer glaze layer thermal expansivity of described preparation is 10~13 * 10
-6/ ℃, interior glaze layer thermal expansivity is 4~8 * 10
-6/ ℃.
4. a kind of Longquan celadon crack glaze bottle according to claim 1, it is characterized in that: described biscuiting is by the celadon base substrate after repaired biscuit operation, put into biscuit kiln and fire 5~7 hours, make kiln temperature rise to gradually 780~880 ℃ from normal temperature, be incubated flame-out naturally cooling after 10~20 minutes.
5. a preparation method for Longquan celadon crack glaze bottle, is characterized in that: comprise the following steps:
A. molding: make bottle plaster mould kind, and make gypsum mold, dry 1~2 day;
B. change slurry: by changing slurry in being positioned over of blank stock tank, make material-water ratio reach 1:0.5~0.7, and add 0.2~0.4% water glass and 0.02~0.05% tripoly phosphate sodium STPP;
C. base: the mud of having changed is injected to gypsum mold by slip casing by pressure pipe, after thickness reaches 5mm~7mm, pours out unnecessary mud, and etc. base substrate take out moulded pottery not yet put in a kiln to bake after having certain dry tenacity;
D. dry: moulded pottery not yet put in a kiln to bake is put into drying room drying treatment 20~24 hours;
E. repaired biscuit: by the moisturizing of partial desiccation moulded pottery not yet put in a kiln to bake, scrape bad mold joint, refine;
F. biscuiting: by the celadon base substrate trimming, put into biscuit kiln and fire 5~7 hours, make kiln temperature rise to gradually 780~880 ℃ from normal temperature, be incubated flame-out naturally cooling after 10~20 minutes, obtain Longquan celadon bottle biscuit;
G. execute interior glaze: glaze proportion in Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 50~60 degree, and by the bottle base high-pressure pump dedusting after biscuiting, oral area, adopts pressure spray glazing to execute interior glaze down, interior glaze layer thickness is 0.1~0.15mm;
H. dry: the bottle base substrate of executing interior glaze is put into drying room drying treatment 3~5 hours;
I. execute outer glaze: the outer glaze proportion of Longquan celadon crack glaze bottle is modulated to the mixed solution that Baume concentration is 40~50 degree, by the high-pressure pump dedusting of the base of executing interior glaze, adopts glaze method to execute outer glaze, outer glaze layer thickness is 0.3~0.8mm;
J. scrape foot: the Longquan celadon crack glaze bottle biscuit foot glaze of inside and outside glazing is scraped totally;
K. glaze firing: by the celadon base substrate of inside and outside glazing, pack high-temperature shuttle kiln atmosphere furnace into and fire 9~11 hours, make kiln temperature rise to gradually 1280~1300 ℃ from normal temperature, be incubated flame-out naturally cooling after 30~60 minutes, obtain finished product.
6. a kind of Longquan celadon bottle preparation method according to claim 5, is characterized in that: described outer glaze raw material adopts common raw mineral materials and adds a small amount of industrial chemicals; The outer glaze layer thermal expansivity of described preparation is 10~13 * 10
-6/ ℃, interior glaze layer thermal expansivity is 4~8 * 10
-6/ ℃.
7. a kind of Longquan celadon bottle preparation method according to claim 5, is characterized in that: step K also comprised as the next stage:
A. pre-heating stage: fire 2~2.5 hours with the heat-up rate of 2.5~3 ℃/min, make kiln temperature rise to 300~350 ℃ from normal temperature, get rid of residual moisture in base substrate;
B. oxidation stage: fire and make kiln temperature rise to 950~980 ℃ for 2.5~2.8 hours with the heat-up rate of 4~4.5 ℃/min;
C. be oxidized holding stage: make kiln temperature be stabilized in 980~985 ℃, be incubated 1~1.2 hour;
D. strong reduction phase: fire and make kiln temperature rise to 1200~1220 ℃ for 2~2.5 hours with the heat-up rate of 1.5~2 ℃/min, and make kiln air pressure remain on 0.03~0.04Mpa;
E. weak reduction phase: through 1~1.5 hour, kiln temperature is risen to 1280~1300 ℃ again;
F. high fiery holding stage: kiln temperature is controlled to 1280~1300 ℃, is incubated after 0.5~1 hour only fire;
G. cooling stages: adopt natural cooling, kiln discharge after kiln temperature is cooled to 50~70 ℃, has fired, and obtains Longquan celadon crack glaze bottle finished product.
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