CN105217957A - A kind of Longquan celadon is without tire glaze ancient piece of jade, round, flat and with a hole in its centre and preparation method thereof and application - Google Patents
A kind of Longquan celadon is without tire glaze ancient piece of jade, round, flat and with a hole in its centre and preparation method thereof and application Download PDFInfo
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Abstract
The invention discloses a kind of Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre and preparation method thereof and application, this comprises glaze without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, and the raw material composition of glaze comprises: potassium felspar sand 40 ~ 60%, quartz 10 ~ 20%, Wingdale 10 ~ 20%, Zijin soil 5 ~ 15% and ridge root glaze soil 5 ~ 15%; Making method without a tire glaze ancient piece of jade, round, flat and with a hole in its centre at least comprises glaze drying and crushing step, and makes enamel fiber, enamel fiber and the bedder to have made is bondd, biscuiting obtains biscuit; Comprise glaze firing at least one times again, load in high-temperature shuttle kiln atmosphere furnace by biscuit and fire 9 ~ 11 hours, make kiln temperature rise to 1250 ~ 1280 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 30 ~ 60 minutes, obtain bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, thin stock layer of finally polishing, acquisition finished product.Of the present invention without a tire glaze ancient piece of jade, round, flat and with a hole in its centre not containing carcass, finished product is sparkling and crystal-clear moist, has filled up the blank without the rare research of tire thick glaze celadon in prior art, can meet the demand of people to high-grade celadon.
Description
Technical field
The present invention relates to a kind of Longquan celadon, be specifically related to a kind of Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre and preparation method thereof and application.
Background technology
It is a kind of novel " green jewelry " that ceramic ornament is described as because of the beautiful artistic conception contained in its moulding, glaze colours and ornament, ceramic ornament has the features such as starting material easily obtain, plasticity-is high, design space is large, health is natural, wear-resisting, corrosion-resistant, low temperature resistant, cost is low, and these features make ceramic ornament very large in the development space in future.
The contour machining procedure of ceramic ornament is also studied more and more widely.As the notification number Chinese patent literature that is CN104045360B discloses a kind of method for processing forming of high technology ceramics ornaments, high technology ceramics main raw material is first ground to form nano level powder by the method; Again according to the size and dimension designing mould of the ornaments that will process; Then in main raw material, add binding agent, stir in also injection moulding to above-mentioned mould with injection moulding machine, the demoulding after cooling forming, obtains molded blank, dries after soaking in aviation kerosene; Degreasing biscuiting in the debinding furnace of blank after drying at 500-600 DEG C; Then low-temperature sintering at the temperature of 1000-1200 DEG C; On molded blank, carve moulding according to the shape designed afterwards, obtain forming ornamental article; After eventually passing the high temperature sintering of 1250-1500 DEG C.
As the publication number Chinese patent that is CN104230391A discloses a kind of color-painting technology of high technology ceramics ornaments, this color-painting technology comprises: 1) high temperature sintering: the base substrate after Raw material processing is shaping is shaping through 1500 DEG C of high temperature sinterings; 2) upper colorant: after above-mentioned base substrate cooling after porcelain, colorant in its surface; 3) upper glaze: after colorant dries, in billet surface at last layer glaze; 4) sinter: by step 3) after base substrate be sinter in the sintering oven of 1200 DEG C in temperature.
As can be seen from the contour machining procedure of above ceramic ornament, existing complete processing generally becomes characteristic mainly with thick glaze firing, and be the thick glaze of thin tire or the thick glaze of thick tire, the research for the ceramic ornament without the thick glaze of tire is then less.And the existing ceramic ornament contour machining procedure without the thick glaze of tire is all directly be placed on the refractory materials such as aluminum oxide cake or high temperature refractory slab by green compact to sinter, and is separated by forming ornamental article after having sintered from refractory materialss such as aluminum oxide cake or high temperature refractory slabs.This just makes the surface of separation of ceramic ornament and aluminum oxide cake or high temperature refractory slab and bottom margin too short-tempered, and polishing difficulty, and ceramic ornament difficult forming, yield rate is low.
Summary of the invention
The invention provides a kind of Longquan celadon without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, this Longquan celadon is sparkling and crystal-clear without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, moist, can meet the demand of people to high-grade celadon preferably.
A kind of Longquan celadon, without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprises glaze, and by weight percentage, the raw material composition of described glaze comprises: potassium felspar sand 40 ~ 60%, quartz 10 ~ 20%, Wingdale 10 ~ 20%, Zijin soil 5 ~ 15% and ridge root glaze soil 5 ~ 15%;
Described Longquan celadon at least comprises glaze drying and crushing step without the making method of a tire glaze ancient piece of jade, round, flat and with a hole in its centre, and adopts dry powder pressing to make enamel fiber, enamel fiber and the earth bedder to have made is bondd, biscuiting obtains biscuit; Comprise glaze firing at least one times again, load in high-temperature shuttle kiln atmosphere furnace by biscuit and fire 9 ~ 11 hours, kiln temperature is made to rise to 1250 ~ 1280 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 30 ~ 60 minutes, obtain bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, finally thin stock layer is polished off, obtain Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Longquan celadon of the present invention does not contain carcass in tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product, and therefore finished product is sparkling and crystal-clear moist, has filled up in prior art the blank had no without the thick glaze celadon of tire, can meet the demand of people to high-grade celadon preferably.
As preferably, by massfraction, the raw material composition of described glaze comprises: potassium felspar sand 50%, quartz 15%, Wingdale 15%, Zijin Tu10%He ridge root glaze soil 10%.
Present invention also offers the making method of a kind of Longquan celadon without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprise the following steps:
A, enamel frit makeing material: preparation glaze, and glaze is dry;
B, enamel frit makeing post: make enamel fiber by obtaining dry glaze in step a;
C, bedder processed: utilize ceramic material to prepare bedder, dry bedder, after dry, the shape of bedder and the shape of glaze column bottom adapt;
Both are bondd by d, bonding: dip in wet by the bedder end face of step c and the glaze column bottom of step b respectively, obtain base substrate;
E, biscuiting: carry out biscuiting to described base substrate, obtain biscuit;
F, glaze firing: by the biscuit dedusting after biscuiting, carry out glaze firing, burn till bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre;
G, polishing without a tire glaze ancient piece of jade, round, flat and with a hole in its centre to bottom belt thin stock layer in step f, remove thin stock layer, obtains Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Because enamel fiber (when especially reaching melt temperature) in high-temperature sintering process has certain mobility, sinter if enamel fiber is directly placed on the refractory materials such as aluminum oxide cake or high temperature refractory slab, the molten state material that then enamel fiber produces in sintering process can bond with such refractory materials, makes both not easily separated.And the present invention formerly arranges bedder that shape adapts is placed on above-mentioned refractory materials by the base substrate that both bondings are got up sinters in glaze column bottom, surface due to bedder has equally distributed small embossment, adjacent small embossment forms depression, air is full of in depression, a very thin nanometer air layer is so just formed on the surface of bedder, when the molten state material that enamel fiber produces in sintering process and bedder surface contact, due to the existence of nanometer air layer, molten state material can only form point cantact with the top of bedder surface small embossment, and cannot infiltrate further, this after just making sintering complete very easily by thin stock layer (bedder sintering form) with separate without a tire glaze ancient piece of jade, round, flat and with a hole in its centre (enamel fiber sinters and forms), and it is very full without the bottom margin of a tire glaze ancient piece of jade, round, flat and with a hole in its centre, mellow and full, burr can not be produced.
Making method of the present invention overcome that existing making method on the market makes without the defect such as tire glaze ancient piece of jade, round, flat and with a hole in its centre difficult forming, yield rate be low, the comparatively regular Longquan celadon of shape can be burnt till without a tire glaze ancient piece of jade, round, flat and with a hole in its centre at 1250 ~ 1280 DEG C.
As preferably, by weight percentage, in step a, the raw material composition of described glaze comprises: potassium felspar sand 40 ~ 60%, quartz 10 ~ 20%, Wingdale 10 ~ 20%, Zijin soil 5 ~ 15% and ridge root glaze soil 5 ~ 15%.
The compound method of described glaze is: the mixture by above-mentioned raw materials: ball: water carries out ball milling with the mixing of the weight ratio of 1:1:0.8, and Ball-milling Time is 30 ~ 40 minutes; Carry out three grades of deironing after using double-deck reciprocating sieve (upper strata is 120 orders, and lower floor is 140 orders) to sieve, each tramp iron separator is 15000 gaussian intensities; Be placed in the glaze after deironing after packing air blast dryer, freeze-day with constant temperature 24 ~ 30 hours at 110 DEG C.
As preferably, in step b, height and the diameter dimension of described enamel fiber are consistent; In step c, the thickness of described bedder is 1 ~ 2mm.
When the height of enamel fiber and diameter dimension consistent time, burn till to present comparatively regular semicircle without a tire glaze ancient piece of jade, round, flat and with a hole in its centre spherical.According to the concrete needs without tire glaze ancient piece of jade, round, flat and with a hole in its centre shape, the enamel fiber of different shapes or specification can be set.If the thickness of bedder is too thick, the labour intensity of polishing operation can be increased the weight of, also be unfavorable for clean for the polishing of thin stock layer.
As preferably, in step b, dry powder pressing is adopted to prepare enamel fiber; In step c, adopt hand-pressing legal system for bedder.
The making raw material of bedder can adopt conventional ceramic material.
As preferably, in step e, described biscuiting comprises: described base substrate is placed in biscuit kiln and fires 5 ~ 7 hours, makes kiln temperature rise to 780 ~ 880 DEG C gradually from normal temperature, then after being incubated 10 ~ 20 minutes at 780 ~ 880 DEG C, flame-out naturally cooling, obtains described biscuit.
As preferably, in step f, described glaze firing comprises: fire 9 ~ 11 hours by inserting high-temperature shuttle kiln atmosphere furnace after described biscuit dedusting, kiln temperature is made to rise to 1280 ~ 1300 DEG C gradually from normal temperature, then at 1280 ~ 1300 DEG C, be incubated flame-out naturally cooling after 30 ~ 60 minutes, obtain bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre.
As preferred further, in step f, described glaze firing comprises with the next stage:
1) pre-heating stage: fire 2 ~ 2.5 hours with the heat-up rate of 2.5 ~ 3 DEG C/min, rises to 980 ~ 985 DEG C by kiln temperature from normal temperature, gets rid of residual moisture in biscuit;
2) oxidation stage: fire 2.5 ~ 2.8 hours with the heat-up rate of 4 ~ 4.5 DEG C/min, rises to 950 ~ 980 DEG C by kiln temperature;
3) holding stage is oxidized: kiln temperature controlled at 980 ~ 985 DEG C, be incubated 1 ~ 1.2 hour;
4) fire 2 ~ 2.5 hours with the heat-up rate of 1.5 ~ 2 DEG C/min, kiln temperature is risen to 1200 ~ 1220 DEG C, and kiln air pressure is remained on 0.03 ~ 0.04Mpa;
5) weak reduction phase: continue to fire 1 ~ 1.5 hour, kiln temperature is risen to 1280 ~ 1300 DEG C;
6) high fiery holding stage: kiln temperature controlled at 1280 ~ 1300 DEG C, is incubated after 0.5 ~ 1 hour only fiery;
7) cooling stages: kiln discharge after kiln temperature naturally cools to 50 ~ 70 DEG C, obtains Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Present invention also offers described Longquan celadon and make the application in ornaments without a tire glaze ancient piece of jade, round, flat and with a hole in its centre.It is sparkling and crystal-clear without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, moist that the inventive method is produced, then be equipped with damascene, exquisite beyond compare, can do, with decoration implements such as jewellery, can meet the demand of people to high-grade celadon preferably.
Compared with prior art, beneficial effect of the present invention is:
(1) enamel fiber is not directly placed on the refractory materials such as aluminum oxide cake or high temperature refractory slab and sinters by the present invention, but bedder that shape adapts first is set in glaze column bottom the base substrate that both bondings are got up is placed on above-mentioned refractory materials sinters again, surface due to bedder has equally distributed small embossment, adjacent small embossment forms depression, air is full of in depression, a very thin nanometer air layer is so just formed on the surface of bedder, when the molten state material that enamel fiber produces in sintering process and bedder surface contact, due to the existence of nanometer air layer, molten state material can only form point cantact with the top of bedder surface small embossment, and cannot infiltrate further, this after just making sintering complete very easily by thin stock layer (bedder sintering form) with separate without a tire glaze ancient piece of jade, round, flat and with a hole in its centre (enamel fiber sinters and forms), and it is very full without the bottom margin of a tire glaze ancient piece of jade, round, flat and with a hole in its centre, mellow and full, burr can not be produced,
(2) making method of the present invention overcome that existing making method on the market makes without the defect such as tire glaze ancient piece of jade, round, flat and with a hole in its centre difficult forming, yield rate be low, the comparatively regular Longquan celadon of shape can be burnt till without a tire glaze ancient piece of jade, round, flat and with a hole in its centre at 1250 ~ 1280 DEG C.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
Longquan celadon, without a making method for a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprises the following steps:
(1) glaze is gone out according to following formulated:
By massfraction, the formula of glaze is: potassium felspar sand 50%, quartz 15%, Wingdale 15%, Zijin soil 10%, ridge root glaze soil 10%;
The chemical constitution of each component is as table 1:
Table 1
The compound method of glaze is: by the mixture of above-mentioned raw materials, ball: water mixes with the weight ratio of 1:1:0.8, ball milling 30 minutes; Carry out three grades of deironing after using double-deck reciprocating sieve (upper strata is 120 orders, and lower floor is 140 orders) to sieve, each tramp iron separator is 15000 gaussian intensities; Air blast dryer is put into, freeze-day with constant temperature 30 hours at 110 DEG C by after the material packing after deironing;
(2) adopt dry powder pressing, dried glaze is made the cylindrical enamel fiber that diameter is consistent with height dimension;
(3) use hand-pressing method, utilize conventional ceramic material to make circular thin tyre cushion cake, after dry, bedder diameter is consistent with glaze column diameter, and thickness is 2mm;
(4) dip in wet bedder top and glaze column bottom respectively, both are bondd, obtain base substrate;
(5) base substrate bondd is put into biscuit kiln and fire 7 hours, make kiln temperature rise to 880 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 20 minutes, obtain biscuit;
(6) carry out glaze firing to biscuit, obtain the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, glaze firing comprises with the next stage:
1) pre-heating stage: fire 2 hours with the heat-up rate of 2.5 ~ 3 DEG C/min, rises to 300 ~ 350 DEG C by kiln temperature from normal temperature, gets rid of residual moisture in biscuit;
2) oxidation stage: fire 2.5 hours with the heat-up rate of 4 ~ 4.5 DEG C/min, rises to 980 ~ 985 DEG C by kiln temperature;
3) holding stage is oxidized: kiln temperature controlled at 980 ~ 985 DEG C, be incubated 1.2 hours;
4) fire 2.5 hours with the heat-up rate of 1.5 ~ 2 DEG C/min, kiln temperature is risen to 1200 ~ 1220 DEG C, and kiln air pressure is remained on 0.03 ~ 0.04Mpa;
5) weak reduction phase: continue to fire 1.5 hours, kiln temperature is risen to 1280 ~ 1300 DEG C;
6) high fiery holding stage: kiln temperature controlled at 1280 ~ 1300 DEG C, is incubated after 1 hour only fiery;
7) cooling stages: kiln discharge after kiln temperature naturally cools to 50 ~ 70 DEG C, obtains the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre;
(7) be positioned on polished machine by the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, by the thin stock layer (bedder burns till) of bottom, thoroughly polishing is clean, obtains the Longquan celadon of the present embodiment without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Embodiment 2
Longquan celadon, without a making method for a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprises the following steps:
(1) glaze is gone out according to following formulated:
By massfraction, the formula of glaze is: potassium felspar sand 40%, quartz 18%, Wingdale 18%, Zijin soil 12%, ridge root glaze soil 12%;
The compound method of glaze is: by the mixture of above-mentioned raw materials, ball: water mixes with the weight ratio of 1:1:0.8, ball milling 35 minutes; Carry out three grades of deironing after using double-deck reciprocating sieve (upper strata is 120 orders, and lower floor is 140 orders) to sieve, each tramp iron separator is 15000 gaussian intensities; Air blast dryer is put into, freeze-day with constant temperature 25 hours at 110 DEG C by after the material packing after deironing;
(2) adopt dry powder pressing, dried glaze is made the cylindrical enamel fiber that diameter is consistent with height dimension;
(3) use hand-pressing method, utilize conventional ceramic material to make circular thin tyre cushion cake, after dry, bedder diameter is consistent with glaze column diameter, and thickness is 1.5mm;
(4) dip in wet bedder top and glaze column bottom respectively, both are bondd, obtain base substrate;
(5) base substrate bondd is put into biscuit kiln and fire 6 hours, make kiln temperature rise to 780 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 15 minutes, obtain biscuit;
(6) carry out glaze firing to biscuit, obtain the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, glaze firing comprises with the next stage:
1) pre-heating stage: fire 2.5 hours with the heat-up rate of 2.5 ~ 3 DEG C/min, rises to 300 ~ 350 DEG C by kiln temperature from normal temperature, gets rid of residual moisture in biscuit;
2) oxidation stage: fire 2.8 hours with the heat-up rate of 4 ~ 4.5 DEG C/min, rises to 980 ~ 985 DEG C by kiln temperature;
3) holding stage is oxidized: kiln temperature controlled at 980 ~ 985 DEG C, be incubated 1 hour;
4) fire 2 hours with the heat-up rate of 1.5 ~ 2 DEG C/min, kiln temperature is risen to 1200 ~ 1220 DEG C, and kiln air pressure is remained on 0.03 ~ 0.04Mpa;
5) weak reduction phase: continue to fire 1 hour, kiln temperature is risen to 1280 ~ 1300 DEG C;
6) high fiery holding stage: kiln temperature controlled at 1280 ~ 1300 DEG C, is incubated after 0.8 hour only fiery;
7) cooling stages: kiln discharge after kiln temperature naturally cools to 50 ~ 70 DEG C, obtains the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre;
(7) be positioned on polished machine by the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, by the thin stock layer (bedder burns till) of bottom, thoroughly polishing is clean, obtains the Longquan celadon of the present embodiment without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Embodiment 3
Longquan celadon, without a making method for a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprises the following steps:
(1) glaze is gone out according to following formulated:
By massfraction, the formula of glaze is: potassium felspar sand 60%, quartz 20%, Wingdale 10%, Zijin soil 5%, ridge root glaze soil 5%;
The compound method of glaze is: by the mixture of above-mentioned raw materials, ball: water mixes with the weight ratio of 1:1:0.8, ball milling 40 minutes; Carry out three grades of deironing after using double-deck reciprocating sieve (upper strata is 120 orders, and lower floor is 140 orders) to sieve, each tramp iron separator is 15000 gaussian intensities; Air blast dryer is put into, freeze-day with constant temperature 28 hours at 110 DEG C by after the material packing after deironing;
(2) adopt dry powder pressing, dried glaze is made the cylindrical enamel fiber that diameter is consistent with height dimension;
(3) use hand-pressing method, utilize conventional ceramic material to make circular thin tyre cushion cake, after dry, bedder diameter is consistent with glaze column diameter, and thickness is 1mm;
(4) dip in wet bedder top and glaze column bottom respectively, both are bondd, obtain base substrate;
(5) base substrate bondd is put into biscuit kiln and fire 5 hours, make kiln temperature rise to 850 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 18 minutes, obtain biscuit;
(6) carry out glaze firing to biscuit, obtain the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, glaze firing comprises with the next stage:
1) pre-heating stage: fire 2.2 hours with the heat-up rate of 2.5 ~ 3 DEG C/min, rises to 300 ~ 350 DEG C by kiln temperature from normal temperature, gets rid of residual moisture in biscuit;
2) oxidation stage: fire 2.6 hours with the heat-up rate of 4 ~ 4.5 DEG C/min, rises to 980 ~ 985 DEG C by kiln temperature;
3) holding stage is oxidized: kiln temperature controlled at 980 ~ 985 DEG C, be incubated 1.1 hours;
4) fire 2.2 hours with the heat-up rate of 1.5 ~ 2 DEG C/min, kiln temperature is risen to 1200 ~ 1220 DEG C, and kiln air pressure is remained on 0.03 ~ 0.04Mpa;
5) weak reduction phase: continue to fire 1.2 hours, kiln temperature is risen to 1280 ~ 1300 DEG C;
6) high fiery holding stage: kiln temperature controlled at 1280 ~ 1300 DEG C, is incubated after 0.5 hour only fiery;
7) cooling stages: kiln discharge after kiln temperature naturally cools to 50 ~ 70 DEG C, obtains the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre;
(7) be positioned on polished machine by the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, by the thin stock layer (bedder burns till) of bottom, thoroughly polishing is clean, obtains the Longquan celadon of the present embodiment without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Embodiment 4
Longquan celadon, without a making method for a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprises the following steps:
(1) glaze is gone out according to following formulated:
By massfraction, the formula of glaze is: potassium felspar sand 42%, quartz 20%, Wingdale 20%, Zijin soil 8%, ridge root glaze soil 8%;
The compound method of glaze is: by the mixture of above-mentioned raw materials, ball: water mixes with the weight ratio of 1:1:0.8, ball milling 30 minutes; Carry out three grades of deironing after using double-deck reciprocating sieve (upper strata is 120 orders, and lower floor is 140 orders) to sieve, each tramp iron separator is 15000 gaussian intensities; Air blast dryer is put into, freeze-day with constant temperature 24 hours at 110 DEG C by after the material packing after deironing;
(2) adopt dry powder pressing, dried glaze is made the cylindrical enamel fiber that diameter is consistent with height dimension;
(3) use hand-pressing method, utilize conventional ceramic material to make circular thin tyre cushion cake, after dry, bedder diameter is consistent with glaze column diameter, and thickness is 2mm;
(4) dip in wet bedder top and glaze column bottom respectively, both are bondd, obtain base substrate;
(5) base substrate bondd is put into biscuit kiln and fire 7 hours, make kiln temperature rise to 800 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 12 minutes, obtain biscuit;
(6) carry out glaze firing to biscuit, obtain the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, glaze firing comprises with the next stage:
1) pre-heating stage: fire 2.3 hours with the heat-up rate of 2.5 ~ 3 DEG C/min, rises to 300 ~ 350 DEG C by kiln temperature from normal temperature, gets rid of residual moisture in biscuit;
2) oxidation stage: fire 2.7 hours with the heat-up rate of 4 ~ 4.5 DEG C/min, rises to 980 ~ 985 DEG C by kiln temperature;
3) holding stage is oxidized: kiln temperature controlled at 980 ~ 985 DEG C, be incubated 1.2 hours;
4) fire 2.3 hours with the heat-up rate of 1.5 ~ 2 DEG C/min, kiln temperature is risen to 1200 ~ 1220 DEG C, and kiln air pressure is remained on 0.03 ~ 0.04Mpa;
5) weak reduction phase: continue to fire 1.4 hours, kiln temperature is risen to 1280 ~ 1300 DEG C;
6) high fiery holding stage: kiln temperature controlled at 1280 ~ 1300 DEG C, is incubated after 1 hour only fiery;
7) cooling stages: kiln discharge after kiln temperature naturally cools to 50 ~ 70 DEG C, obtains the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre;
(7) be positioned on polished machine by the Longquan celadon of bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, by the thin stock layer (bedder burns till) of bottom, thoroughly polishing is clean, obtains the Longquan celadon of the present embodiment without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
Claims (10)
1. a Longquan celadon is without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, comprise glaze, it is characterized in that, by weight percentage, the raw material composition of described glaze comprises: potassium felspar sand 40 ~ 60%, quartz 10 ~ 20%, Wingdale 10 ~ 20%, Zijin soil 5 ~ 15% and ridge root glaze soil 5 ~ 15%;
Described Longquan celadon at least comprises glaze drying and crushing step without the making method of a tire glaze ancient piece of jade, round, flat and with a hole in its centre, and adopts dry powder pressing to make enamel fiber, enamel fiber and the earth bedder to have made is bondd, biscuiting obtains biscuit; Comprise glaze firing at least one times again, load in high-temperature shuttle kiln atmosphere furnace by biscuit and fire 9 ~ 11 hours, kiln temperature is made to rise to 1250 ~ 1280 DEG C gradually from normal temperature, be incubated flame-out naturally cooling after 30 ~ 60 minutes, obtain bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, finally thin stock layer is polished off, obtain Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
2. Longquan celadon as claimed in claim 1 is without a tire glaze ancient piece of jade, round, flat and with a hole in its centre, it is characterized in that, by massfraction, the raw material composition of described glaze comprises: potassium felspar sand 50%, quartz 15%, Wingdale 15%, Zijin Tu10%He ridge root glaze soil 10%.
3. Longquan celadon is without a making method for a tire glaze ancient piece of jade, round, flat and with a hole in its centre, it is characterized in that, comprises the following steps:
A, enamel frit makeing material: preparation glaze, and glaze is dry;
B, enamel frit makeing post: make enamel fiber by obtaining dry glaze in step a;
C, bedder processed: utilize ceramic material to prepare bedder, dry bedder, after dry, the shape of bedder and the shape of glaze column bottom adapt;
Both are bondd by d, bonding: dip in wet by the bedder end face of step c and the glaze column bottom of step b respectively, obtain base substrate;
E, biscuiting: carry out biscuiting to described base substrate, obtain biscuit;
F, glaze firing: by the biscuit dedusting after biscuiting, carry out glaze firing, burn till bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre;
G, polishing without a tire glaze ancient piece of jade, round, flat and with a hole in its centre to bottom belt thin stock layer in step f, remove thin stock layer, obtains Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
4. making method as claimed in claim 3, it is characterized in that, by weight percentage, in step a, the raw material composition of described glaze comprises: potassium felspar sand 40 ~ 60%, quartz 10 ~ 20%, Wingdale 10 ~ 20%, Zijin soil 5 ~ 15% and ridge root glaze soil 5 ~ 15%;
The drying means of described glaze is: glaze is placed in after packing air blast dryer, freeze-day with constant temperature 24 ~ 30 hours at 110 DEG C.
5. making method as claimed in claim 3, it is characterized in that, in step b, height and the diameter dimension of described enamel fiber are consistent; In step c, the thickness of described bedder is 1 ~ 2mm.
6. making method as claimed in claim 3, is characterized in that, in step b, adopts dry powder pressing to prepare enamel fiber; In step c, adopt hand-pressing legal system for bedder.
7. making method as claimed in claim 3, it is characterized in that, in step e, described biscuiting comprises: described base substrate is placed in biscuit kiln and fires 5 ~ 7 hours, kiln temperature is made to rise to 780 ~ 880 DEG C gradually from normal temperature, then after being incubated 10 ~ 20 minutes at 780 ~ 880 DEG C, flame-out naturally cooling, obtains described biscuit.
8. making method as claimed in claim 3, it is characterized in that, in step f, described glaze firing comprises: fire 9 ~ 11 hours by inserting high-temperature shuttle kiln atmosphere furnace after described biscuit dedusting, kiln temperature is made to rise to 1280 ~ 1300 DEG C gradually from normal temperature, then at 1280 ~ 1300 DEG C, be incubated flame-out naturally cooling after 30 ~ 60 minutes, obtain bottom belt thin stock layer without a tire glaze ancient piece of jade, round, flat and with a hole in its centre.
9. the making method as described in claim 3 or 8, is characterized in that, in step f, described glaze firing comprises with the next stage:
1) pre-heating stage: fire 2 ~ 2.5 hours with the heat-up rate of 2.5 ~ 3 DEG C/min, rises to 980 ~ 985 DEG C by kiln temperature from normal temperature, gets rid of residual moisture in biscuit;
2) oxidation stage: fire 2.5 ~ 2.8 hours with the heat-up rate of 4 ~ 4.5 DEG C/min, rises to 950 ~ 980 DEG C by kiln temperature;
3) holding stage is oxidized: kiln temperature controlled at 980 ~ 985 DEG C, be incubated 1 ~ 1.2 hour;
4) fire 2 ~ 2.5 hours with the heat-up rate of 1.5 ~ 2 DEG C/min, kiln temperature is risen to 1200 ~ 1220 DEG C, and kiln air pressure is remained on 0.03 ~ 0.04Mpa;
5) weak reduction phase: continue to fire 1 ~ 1.5 hour, kiln temperature is risen to 1280 ~ 1300 DEG C;
6) high fiery holding stage: kiln temperature controlled at 1280 ~ 1300 DEG C, is incubated after 0.5 ~ 1 hour only fiery;
7) cooling stages: kiln discharge after kiln temperature naturally cools to 50 ~ 70 DEG C, obtains Longquan celadon without tire glaze ancient piece of jade, round, flat and with a hole in its centre finished product.
10. Longquan celadon is making the application in ornaments without a tire glaze ancient piece of jade, round, flat and with a hole in its centre as claimed in claim 1 or 2.
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| CN112374756A (en) * | 2020-10-16 | 2021-02-19 | 龙泉市同契青瓷工作室 | Method for preparing Longquan porcelain by combining Guizhou kiln wooden leaf cup and Longquan kiln thick glaze |
| CN114573319A (en) * | 2022-01-10 | 2022-06-03 | 德化县京隆堂陶瓷有限责任公司 | Grating-like flash glaze ceramic and preparation method thereof |
| CN116120037A (en) * | 2023-02-20 | 2023-05-16 | 龙泉市夏侯文龙泉窑研究所 | Celadon Ge kiln embedded texture drawing process and manufacturing method thereof |
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