CN112824341A - Formula and firing method for firing purple sand pottery by using Jiangchua siliceous sandstone - Google Patents
Formula and firing method for firing purple sand pottery by using Jiangchua siliceous sandstone Download PDFInfo
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- 239000004576 sand Substances 0.000 title claims abstract description 87
- 238000010304 firing Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 8
- 229910052572 stoneware Inorganic materials 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 9
- 238000005498 polishing Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 239000004927 clay Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 3
- 238000000498 ball milling Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000007666 vacuum forming Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 241001391944 Commicarpus scandens Species 0.000 abstract description 5
- 230000003670 easy-to-clean Effects 0.000 abstract description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 241001122767 Theaceae Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000001760 fusel oil Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6022—Injection moulding
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/606—Drying
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9646—Optical properties
- C04B2235/9661—Colour
Abstract
The invention provides a formula and a firing method for firing purple sand pottery by using river siliceous sandstone, wherein the purple sand pottery is prepared from the following 5 color-series sand materials and accompanying pug in the Yunnan river: the sand material and the accompanying pug of the yellow sandstone, the sand material and the accompanying pug of the red sandstone, the sand material and the accompanying pug of the green sandstone, the sand material and the accompanying pug of the purple stoneware, and the sand material and the accompanying pug of the white sandstone. The purple sand pottery disclosed by the invention has the characteristics that the internal structure of the self-made purple sand pottery reaches the nanometer level by strictly controlling the firing process in the manufacturing process, so that the purple sand pottery has the characteristics of improving water quality, quickly dispelling the effects of alcohol, being not easy to break and being easy to clean.
Description
Technical Field
The invention belongs to the technical field of pottery firing, and particularly relates to a formula and a firing method for firing purple sand pottery by using Jiangchuan siliceous sandstone.
Background
The pottery is made of clay or pottery clay through kneading and shaping and then firing, has a long history, and has been found to be simple and rough in the age of new stoneware. With the continuous maturity of pottery manufacturing technology, sandstone pottery of various colors is made by people, wherein the pottery made of Yunnan sandstone is widely applied.
However, the temperature of the existing sandstone pottery is not suitable to be controlled in the firing process, so that the inner structure of the pottery is loose after the pottery is fired, the functionality of the pottery is poor, the source limitation of the raw materials of the existing sandstone pottery is large, and the sandstone pottery is not convenient to popularize and apply on a large scale.
Disclosure of Invention
In view of the above, the invention aims to provide a formula and a firing method for firing purple sand pottery by using Jiangtchuan siliceous sandstone, and the manufactured purple sand pottery has the characteristics of improving water quality, quickly sobering up, being not easy to break and being easy to clean.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a formulation for firing purple sand pottery by using river siliceous sandstone and a firing method thereof, the purple sand pottery is prepared by the following 5 color series of sand materials and accompanying pug in Yunnan river: the sand material and the accompanying pug of the yellow sandstone, the sand material and the accompanying pug of the red sandstone, the sand material and the accompanying pug of the green sandstone, the sand material and the accompanying pug of the purple stoneware, and the sand material and the accompanying pug of the white sandstone.
The preparation method of the purple sand pottery comprises the following steps:
(1) mixing the sand material and the accompanied pug of the yellow sandstone, the sand material and the accompanied pug of the red sandstone, the sand material and the accompanied pug of the green sandstone, the sand material and the accompanied pug of the purple sand rock, the sand material and the accompanied pug of the white sandstone respectively according to the ratio of 12 percent, 14 percent, 23 percent, 37 percent, 16 percent and 10 percent, adding a ball mill for primary grinding for 2 hours, standing for 30 minutes, starting up for 2 hours, uninterruptedly ball-milling for powder discharging, and refining and screening the sand material by a 180-mesh 260-mesh vibrating screen to obtain the finished product;
(2) injecting water into the screened sand mud material to prepare a sand material with the water content of 15-20%, then performing secondary mud refining by a vacuum forming mud refining machine to obtain a sand material with the diameter of 10-15 cm and the net weight of 10 kilograms, bagging, staling, keeping the temperature at 30 ℃, sealing and staling for later use;
(3) taking out the naturally aged and fermented pug and the slurry, longitudinally cutting the pug to obtain a pug blank, preparing materials for production, and uniformly stirring the slurry for later use;
(4) rolling and manually forming the cut clay blank according to production requirements to prepare a clay blank, and grouting and forming slurry;
(5) adjusting the thickness of the inside and the outside of the manually molded and slip-casting ceramic product by a machine, bonding a kettle handle and a kettle nozzle, polishing the ceramic product, engraving the appearance, engraving patterns, decorating characters and patterns and other technological operations, wiping water by a seal to remove dust, drying in the shade, and firing in a kiln;
(6) firing the ceramic formed in the step (5), wherein the firing process of the ceramic is as follows:
1) in the first stage, a temperature zone is controlled to be 20-100 ℃ and a kiln door is opened for 10 cm, and the baking time is 60 minutes for drying and dehumidifying;
2) in the second stage, the temperature zone is controlled at 100-;
3) in the third stage, the temperature zone is controlled to be closed at 200-400 ℃ for firing for 90 minutes;
4) in the fourth stage, the temperature zone is controlled at 400-600 ℃ and the furnace vent is closed for firing for 60 minutes;
5) in the fifth stage, the temperature zone is controlled to be 600-700 ℃ closed pore firing for 80 minutes;
6) in the sixth stage, the temperature zone is controlled at 700-800 ℃ and closed hole constant temperature is kept for 30 minutes;
7) in the seventh stage, a temperature zone is controlled to be 800-900 ℃ for 45 minutes;
8) in the eighth stage, the temperature zone is controlled at 900-;
9) in the ninth stage, the temperature zone is controlled at 1000-;
10) in the tenth stage, the temperature zone is controlled at 1143-1190 ℃ for 60 minutes;
11) in the eleventh stage, the temperature zone is controlled at 1180-1190 ℃ and is kept at the constant temperature for 10 minutes, and then the power is cut off, and the kiln is taken out after natural cooling;
(7) sorting the products cooled after firing, removing fire skin by vibration polishing, cleaning with boiling water, and naturally drying to finish the manufacture of the whole purple sand pottery with nano function.
Further, the time for naturally ageing and fermenting the mud and the mud in the step (3) is at least 7 days.
Further, the time for removing the fire skin by vibrating and polishing the pottery in the step (7) is 5 minutes.
Furthermore, the purple sand pottery manufactured by the raw material formula and the firing method has the following characteristics after detection: 1. improving the adsorption and purification water quality to ensure that the pH value of the water is converted from weak acid to weak base; 2. the methanol and the fusel oil in the process of brewing the white spirit are absorbed to reduce the stimulation of the white spirit, and the white spirit is soft and soft when entering the mouth; 3. the hardness of the pottery can reach the hardness level of corundum, and the pottery is not easy to break; 4. the pottery is not easy to be stained with oil and tea stain and is easy to clean.
Compared with the prior art, the purple sand pottery has the following advantages:
1. the internal structure of the purple sand pottery reaches the nanometer level by strictly controlling the firing process in the manufacturing process of the purple sand pottery, so that the purple sand pottery has the characteristics of improving water quality, quickly dispelling the effects of alcohol, being not easy to break and being easy to clean;
2. the purple sand pottery disclosed by the invention is made from special raw materials in the environment of the Yunnan river, has wide raw material sources, can be industrially produced in batches, can be rapidly popularized, has higher economic value and stronger competitiveness in the market;
3. the purple sand pottery of the invention is characterized in that the temperature of the kiln is instantaneously changed by firewood during the manufacturing process, so that the whole fired pottery presents metal effects of different color systems, irregular blocky and punctiform stripe glaze surface effects are distributed on the surface of the metal effects, the size and density of stripes are changed according to the shape of the pottery, and the purple sand pottery has unique artistic effect.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs.
The present invention will be described in detail below.
A formulation for firing purple sand pottery by using river siliceous sandstone and a firing method thereof, the purple sand pottery is prepared by the following 5 color series of sand materials and accompanying pug in Yunnan river: the sand material and the accompanying pug of the yellow sandstone, the sand material and the accompanying pug of the red sandstone, the sand material and the accompanying pug of the green sandstone, the sand material and the accompanying pug of the purple stoneware, and the sand material and the accompanying pug of the white sandstone.
The preparation method of the purple sand pottery comprises the following steps:
(1) mixing the sand material and the accompanied pug of the yellow sandstone, the sand material and the accompanied pug of the red sandstone, the sand material and the accompanied pug of the green sandstone, the sand material and the accompanied pug of the purple sand rock, the sand material and the accompanied pug of the white sandstone respectively according to the ratio of 12 percent, 14 percent, 23 percent, 37 percent, 16 percent and 10 percent, adding a ball mill for primary grinding for 2 hours, standing for 30 minutes, starting up for 2 hours, uninterruptedly ball-milling for powder discharging, and refining and screening the sand material by a 180-mesh 260-mesh vibrating screen to obtain the finished product;
(2) injecting water into the screened sand mud material to prepare a sand material with the water content of 15-20%, then performing secondary mud refining by a vacuum forming mud refining machine to obtain a sand material with the diameter of 10-15 cm and the net weight of 10 kilograms, bagging, staling, keeping the temperature at 30 ℃, sealing and staling for later use;
(3) taking out the naturally aged and fermented pug and the slurry, longitudinally cutting the pug to obtain a pug blank, preparing materials for production, and uniformly stirring the slurry for later use;
(4) rolling and manually forming the cut clay blank according to production requirements to prepare a clay blank, and grouting and forming slurry;
(5) adjusting the thickness of the inside and the outside of the manually molded and slip-casting ceramic product by a machine, bonding a kettle handle and a kettle nozzle, polishing the ceramic product, engraving the appearance, engraving patterns, decorating characters and patterns and other technological operations, wiping water by a seal to remove dust, drying in the shade, and firing in a kiln;
(6) firing the ceramic formed in the step (5), wherein the firing process of the ceramic is as follows:
1) in the first stage, a temperature zone is controlled to be 20-100 ℃ and a kiln door is opened for 10 cm, and the baking time is 60 minutes for drying and dehumidifying;
2) in the second stage, the temperature zone is controlled at 100-;
3) in the third stage, the temperature zone is controlled to be closed at 200-400 ℃ for firing for 90 minutes;
4) in the fourth stage, the temperature zone is controlled at 400-600 ℃ and the furnace vent is closed for firing for 60 minutes;
5) in the fifth stage, the temperature zone is controlled to be 600-700 ℃ closed pore firing for 80 minutes;
6) in the sixth stage, the temperature zone is controlled at 700-800 ℃ and closed hole constant temperature is kept for 30 minutes;
7) in the seventh stage, a temperature zone is controlled to be 800-900 ℃ for 45 minutes;
8) in the eighth stage, the temperature zone is controlled at 900-;
9) in the ninth stage, the temperature zone is controlled at 1000-;
10) in the tenth stage, the temperature zone is controlled at 1143-1190 ℃ for 60 minutes;
11) in the eleventh stage, the temperature zone is controlled at 1180-1190 ℃ for 10 minutes at constant temperature, and then the power is cut off to naturally cool down and take out the kiln.
(7) Sorting the products cooled after firing, removing fire skin by vibration polishing, cleaning with boiling water, and naturally drying to finish the manufacture of the whole purple sand pottery with nano function.
Preferably, the time for naturally ageing and fermenting the mud and the mud in the step (3) is at least 7 days.
Preferably, the time for removing the fire skin in the step (7) of ceramic product vibration polishing is 5 minutes.
Preferably, the purple sand pottery manufactured by the raw material formula and the firing method has the following characteristics after detection: 1. improving the adsorption and purification water quality to ensure that the pH value of the water is converted from weak acid to weak base; 2. the methanol and the fusel oil in the process of brewing the white spirit are absorbed to reduce the stimulation of the white spirit, and the white spirit is soft and soft when entering the mouth; 3. the hardness of the pottery can reach the hardness level of corundum, and the pottery is not easy to break; 4. the pottery is not easy to be stained with oil and tea stain and is easy to clean.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (4)
1. A formula for firing purple sand pottery by using Jiangchua siliceous sandstone and a firing method thereof are characterized in that: the purple sand pottery is made of sand materials and accompanying pug of the following 5 color systems in the environment of the Yunnan river: the sand material and the accompanying pug of the yellow sandstone, the sand material and the accompanying pug of the red sandstone, the sand material and the accompanying pug of the green sandstone, the sand material and the accompanying pug of the purple stoneware, and the sand material and the accompanying pug of the white sandstone.
2. The preparation method of purple sand pottery according to claim 1, which is characterized in that: the method comprises the following steps:
(1) mixing the sand material and the accompanied pug of the yellow sandstone, the sand material and the accompanied pug of the red sandstone, the sand material and the accompanied pug of the green sandstone, the sand material and the accompanied pug of the purple sand rock, the sand material and the accompanied pug of the white sandstone respectively according to the ratio of 12 percent, 14 percent, 23 percent, 37 percent, 16 percent and 10 percent, adding a ball mill for primary grinding for 2 hours, standing for 30 minutes, starting up for 2 hours, uninterruptedly ball-milling for powder discharging, and refining and screening the sand material by a 180-mesh 260-mesh vibrating screen to obtain the finished product;
(2) injecting water into the screened sand mud material to prepare a sand material with the water content of 15-20%, then performing secondary mud refining by a vacuum forming mud refining machine to obtain a sand material with the diameter of 10-15 cm and the net weight of 10 kilograms, bagging, staling, keeping the temperature at 30 ℃, sealing and staling for later use;
(3) taking out the naturally aged and fermented pug and the slurry, longitudinally cutting the pug to obtain a pug blank, preparing materials for production, and uniformly stirring the slurry for later use;
(4) rolling and manually forming the cut clay blank according to production requirements to prepare a clay blank, and grouting and forming slurry;
(5) adjusting the thickness of the inside and the outside of the manually molded and slip-casting ceramic product by a machine, bonding a kettle handle and a kettle nozzle, polishing the ceramic product, engraving the appearance, engraving patterns, decorating characters and patterns and other technological operations, wiping water by a seal to remove dust, drying in the shade, and firing in a kiln;
(6) firing the ceramic formed in the step (5), wherein the firing process of the ceramic is as follows:
1) in the first stage, a temperature zone is controlled to be 20-100 ℃ and a kiln door is opened for 10 cm, and the baking time is 60 minutes for drying and dehumidifying;
2) in the second stage, the temperature zone is controlled at 100-;
3) in the third stage, the temperature zone is controlled to be closed at 200-400 ℃ for firing for 90 minutes;
4) in the fourth stage, the temperature zone is controlled at 400-600 ℃ and the furnace vent is closed for firing for 60 minutes;
5) in the fifth stage, the temperature zone is controlled to be 600-700 ℃ closed pore firing for 80 minutes;
6) in the sixth stage, the temperature zone is controlled at 700-800 ℃ and closed hole constant temperature is kept for 30 minutes;
7) in the seventh stage, a temperature zone is controlled to be 800-900 ℃ for 45 minutes;
8) in the eighth stage, the temperature zone is controlled at 900-;
9) in the ninth stage, the temperature zone is controlled at 1000-;
10) in the tenth stage, the temperature zone is controlled at 1143-1190 ℃ for 60 minutes;
11) in the eleventh stage, the temperature zone is controlled at 1180-1190 ℃ and is kept at the constant temperature for 10 minutes, and then the power is cut off, and the kiln is taken out after natural cooling;
(7) sorting the products cooled after firing, removing fire skin by vibration polishing, cleaning with boiling water, and naturally drying to finish the manufacture of the whole purple sand pottery with nano function.
3. The preparation method of purple sand pottery according to claim 2, which is characterized in that: and (4) naturally ageing and fermenting the mud and the mud in the step (3) for at least 7 days.
4. The preparation method of purple sand pottery according to claim 2, which is characterized in that: and (5) in the step (7), the time for removing the fire skin by vibrating and polishing the pottery is 5 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911138313.2A CN112824341A (en) | 2019-11-20 | 2019-11-20 | Formula and firing method for firing purple sand pottery by using Jiangchua siliceous sandstone |
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| CN107188539A (en) * | 2017-07-20 | 2017-09-22 | 朝阳市金狄晚窑紫砂艺术制品有限公司 | A kind of transmutation pug and method for cooking |
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2019
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Application publication date: 20210521 |