CN112125647A - Colorful Mallotus oblongifolius marigold and preparation process thereof - Google Patents
Colorful Mallotus oblongifolius marigold and preparation process thereof Download PDFInfo
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Abstract
The invention discloses a colored Mallotus oblongifolius marigold and a preparation process thereof, wherein the marigold comprises a blank body and glaze; the blank body is prepared from the following components in parts by weight: 7 parts of kaolin and 3 parts of laterite; the glaze comprises a first glaze and a second glaze; the first glaze is prepared from the following components in parts by weight: 8 parts of glaze ore, 1 part of potassium feldspar, 1 part of calcite and 10 parts of water; the second glaze comprises the following components in parts by weight: 7 parts of glaze ore, 0.2 part of talcum, 0.17 part of quartz, 0.8 part of iron oxide red, 2 parts of plant ash and 20 parts of water. The cup-shaped oil drops prepared by the method are in a strip feather shape, the stripes of the oil drops have a tendency of increasing radiation from the center to the edge of the cup, the color is gorgeous and extremely bright, the whole cup-shaped oil drops are just like partridges spreading wings, peacocks spreading tail and fireworks blooming, the tension is sufficient, the stereoscopic impression is strong, and the cup-shaped oil drops have strong visual impact and artistic aesthetic feeling.
Description
Technical Field
The invention relates to the technical field of porcelain, in particular to a cup and a preparation process thereof.
Background
At present, in the firing process of building a cup, the firing difficulty is very high, the control of a formula, a firing atmosphere, a temperature curve and the like is often difficult to master, and the following defects are often generated: the blank body is cracked and deformed, the glaze material sticks to the bottom, the glaze shrinkage and oil drop crystal spots are not displayed or are not clear, and the yield is very low (generally 20-50%).
Meanwhile, the innovation degree of cup-building is low, and the cup-building is generally a mixed-color glaze of traditional varieties such as cony millicalyx, oil drop calyx, obsidian, persimmon red, gray skin, black gold and the like.
Therefore, there is a need in the art to develop a cup with a good appearance and a high yield.
Disclosure of Invention
The invention aims to provide a colorful Mallotus oblongifolius marigold and a preparation process thereof, and the marigold is novel and elegant and has high yield.
In order to achieve the purpose, the invention adopts the following technical scheme:
the colorful partridge petit-bulgaricus comprises a blank body and glaze;
the blank body is prepared from the following components in parts by weight: 7 parts of kaolin and 3 parts of laterite;
the laterite and kaolin are both taken from Jianyang district Shuijing in Nanping City of Fujian province;
the glaze comprises a first glaze and a second glaze;
the first glaze is prepared from the following components in parts by weight: 8 parts of glaze ore, 1 part of potassium feldspar, 1 part of calcite and 10 parts of water;
the second glaze comprises the following components in parts by weight: 7 parts of glaze ore, 0.2 part of talcum, 0.17 part of quartz, 0.8 part of iron oxide red, 2 parts of plant ash and 20 parts of water;
the glaze ore is obtained from Nanlincun of Jianyang district of Nanping city of Fujian province.
Further, the plant ash is prepared by the following method: burning oak to obtain ash, and sieving with 80-100 mesh sieve to obtain plant ash.
The preparation process of the colorful Mallotus oblongifolius marigold is characterized by comprising the following steps: the method comprises the following steps:
(1) preparing a blank body, first glaze slip and second glaze slip, wherein,
the green body is prepared by the following method: mixing 7 parts by weight of kaolin and 3 parts by weight of laterite, crushing, elutriating, sieving with a 80-mesh sieve, performing filter pressing, refining mud and ageing to obtain a blank raw material; performing blank drawing and forming, trimming, biscuit firing and cooling on the blank raw material to obtain a blank;
the first glaze slip is prepared by the following method: weighing and mixing the first glaze according to a formula, grinding the mixture in a ball mill, and sieving the ground mixture with a 120-mesh sieve to obtain first glaze slurry;
the second glaze slip is prepared by the following method: weighing and mixing the second glaze according to the formula, grinding the mixture in a ball mill, and sieving the ground mixture with a 120-mesh sieve to obtain second glaze slip;
(2) glazing: firstly applying the first glaze slip, pouring the first glaze slip into the blank body for staying for 2-3s, reversely buckling the blank body, soaking the blank body in the first glaze slip for 2-3s, and airing the blank body without glazing the outer bottom of the blank body; applying the second glaze slip, repeating the glazing position of the first glaze slip, pouring the second glaze slip into the blank body for 4-5s, reversely buckling the blank body, soaking the blank body in the second glaze slip for 4-5s, and airing;
the glazing thickness of the first glaze slip is 0.3-0.4mm, and the glazing thickness of the second glaze slip is 0.6-0.7 mm;
(3) putting the glazed and dried green body into an electric kiln for roasting, wherein the roasting is carried out by the following stages:
the first stage is as follows: the temperature of the kiln is increased from normal temperature to 600 ℃ at a constant speed for 2 hours; the temperature of the kiln is raised from 600 ℃ to 1000 ℃ at a constant speed for 2.5 h; the temperature of the kiln is raised from 1000 ℃ to 1270 ℃ at a constant speed for 2.5 h;
and a second stage: keeping the temperature at 1270 ℃ for 1.5h, and throwing primary firewood from the hole of the kiln when the temperature of the kiln rises to 1270 ℃; keeping the temperature for 1h, and feeding secondary diesel oil; keeping the temperature for the rest 20min, adding third-time firewood, and adding fourth-time, fifth-time and sixth-time firewood respectively every 5 min; 130g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
at the stage, firewood is thrown by adopting a proper time node, the glaze has partridge pattern and even pattern, and meanwhile, the glaze has good vitrification feeling, is smooth and moist and has no air holes basically.
And a third stage: after the heat preservation is finished, the power is cut off, the temperature of the kiln is naturally reduced to 700 ℃, then the power is switched on, and the temperature of the kiln is increased to 1240 ℃ after 2.5 hours;
in this stage, the kiln is cooled and then heated, which is a key step for glaze color.
A fourth stage: keeping the temperature at 1240 ℃ for 20min, feeding the firewood once when the temperature is kept for 10min, and feeding the firewood once again at an interval of 9 min; 100g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time;
the fifth stage: cutting off power, naturally cooling the kiln to 1060 ℃, feeding the firewood once, and feeding the firewood once again at an interval of 8 min; 80g of firewood is put into the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
the sixth stage: when the temperature of the kiln is naturally reduced to 960 ℃, opening the kiln door to the maximum (fast temperature reduction), and when the temperature of the kiln is reduced to 700 ℃, closing the kiln door; electrifying, raising the temperature of the kiln to 1080 ℃ after 2 hours, and keeping the temperature for 5 min;
the fourth stage, the fifth stage and the sixth stage mainly promote the glazed partridges to generate colorful colors.
A seventh stage: and (4) stopping the furnace when the power is off, naturally cooling and discharging.
And (3) further, the biscuit firing in the step (2) is to raise the temperature of the kiln from normal temperature to 800 ℃ at a constant speed for 6 hours, and then to shut down and cool the kiln.
The blank body is glazed by the first glaze slip and the second glaze slip, the first glaze slip is thin, the second glaze slip is thick, then the two glaze slips are mutually fused in the firing process, long-strip feather-shaped oil drop stripes can be generated, the whole body looks like partridge spreading wings, peacocks spreading, fireworks blooming and has enough tension.
After the technical scheme is adopted, the invention has the following advantages:
1. the cup-shaped oil drops prepared by the method are in a strip feather shape, the stripes of the oil drops have a tendency of increasing radiation from the center to the edge of the cup, the color is gorgeous and extremely bright, the whole cup-shaped oil drops are just like partridges spreading wings, peacocks spreading tail and fireworks blooming, the tension is sufficient, the stereoscopic impression is strong, and the cup-shaped oil drops have strong visual impact and artistic aesthetic feeling.
2. The invention has clear formula, firing atmosphere, temperature curve and other process flows, is easy to control, has good stability and higher yield, and can prepare novel and elegant colored partridge marigold.
Drawings
FIG. 1 is a photograph showing an example of a cup according to example 1 of the present invention;
FIG. 2 is a photograph showing another example of an angle of a cup according to example 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The preparation process of the colorful Mallotus oblongifolius comprises the following steps:
(1) preparing a blank, first glaze slip and second glaze slip, wherein:
the green body is prepared by the following method: mixing 7 parts by weight of kaolin and 3 parts by weight of laterite, crushing, elutriating, sieving with a 80-mesh sieve, performing filter pressing, refining mud and ageing to obtain a blank raw material; performing blank drawing and forming, trimming, biscuit firing and cooling on the blank raw material to obtain a blank;
the laterite and kaolin are both taken from Jianyang district Shuijing in Nanping City of Fujian province;
the biscuit firing is that the temperature of the kiln is increased from normal temperature to 800 ℃ at a constant speed after 6 hours, and the kiln is shut down and cooled.
The first glaze slip is prepared by the following method: mixing 8 parts by weight of glaze ore, 1 part by weight of potassium feldspar and 1 part by weight of calcite, adding 10 parts by weight of water, grinding in a ball mill, and sieving with a 120-mesh sieve to obtain first glaze slurry;
the second glaze slip is prepared by the following method: mixing 7 parts by weight of glaze ore, 0.2 part by weight of talc, 0.17 part by weight of quartz, 0.8 part by weight of iron oxide red and 2 parts by weight of plant ash, adding 20 parts by weight of water, grinding in a ball mill, and sieving with a 120-mesh sieve to obtain second glaze slurry;
the glaze ore is taken from Nanlincun of Jianyang district of Nanping city of Fujian province; the glaze ore comprises the following components in percentage by weight: SiO 22 55-63％，Al2O3 18-23％，Fe2O36-9% and the balance of trace elements.
The plant ash is prepared by the following method: burning oak to obtain ash, and sieving with 80-100 mesh sieve to obtain plant ash.
(2) Glazing: firstly applying the first glaze slip, pouring the first glaze slip into the blank body for staying for 2-3s, reversely buckling the blank body, soaking the blank body in the first glaze slip for 2-3s, and airing the blank body without glazing the outer bottom of the blank body; applying the second glaze slip, repeating the glazing position of the first glaze slip, pouring the second glaze slip into the blank body for 4-5s, reversely buckling the blank body, soaking the blank body in the second glaze slip for 4-5s, and airing;
the glazing thickness of the first glaze slip is 0.3-0.4mm, and the glazing thickness of the second glaze slip is 0.6-0.7 mm;
(3) putting the glazed and dried green body into an electric kiln for roasting, wherein the roasting is carried out by the following stages:
the first stage is as follows: the temperature of the kiln is increased from normal temperature to 600 ℃ at a constant speed for 2 hours; the temperature of the kiln is raised from 600 ℃ to 1000 ℃ at a constant speed for 2.5 h; the temperature of the kiln is raised from 1000 ℃ to 1270 ℃ at a constant speed for 2.5 h;
and a second stage: keeping the temperature at 1270 ℃ for 1.5h, and throwing primary firewood from the hole of the kiln when the temperature of the kiln rises to 1270 ℃; keeping the temperature for 1h, and feeding secondary diesel oil; keeping the temperature for the rest 20min, adding third-time firewood, and adding fourth-time, fifth-time and sixth-time firewood respectively every 5 min; 130g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
and a third stage: after the heat preservation is finished, the power is cut off, the temperature of the kiln is naturally reduced to 700 ℃, then the power is switched on, and the temperature of the kiln is increased to 1240 ℃ after 2.5 hours;
a fourth stage: keeping the temperature at 1240 ℃ for 20min, feeding the firewood once when the temperature is kept for 10min, and feeding the firewood once again at an interval of 9 min; 100g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time;
the fifth stage: cutting off power, naturally cooling the kiln to 1060 ℃, feeding the firewood once, and feeding the firewood once again at an interval of 8 min; 80g of firewood is put into the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
the sixth stage: naturally cooling the kiln to 960 deg.C, opening the kiln door to the maximum, and closing the kiln door when the kiln temperature is reduced to 700 deg.C; electrifying, raising the temperature of the kiln to 1080 ℃ after 2 hours, and keeping the temperature for 5 min;
a seventh stage: and (4) stopping the furnace when the power is off, naturally cooling and discharging.
The space in the kiln used in this example was 0.5 cubic meter, and the area of the kiln door was 0.7 square meter (length 1m, width 0.7 m).
And (3) building 12 cups in the kiln, and obtaining 9 finished building cups after firing and discharging, wherein the yield is 75%.
The firewood of the invention, also called pine root, pine root and pine wood, is rich in turpentine and can be burnt violently at high temperature. The firewood for feeding is fed from a firewood feeding hole of the kiln door, if no special description is provided, the firewood feeding hole is opened only when the firewood is fed, and is closed at other times. The diameter of the hole opening of the firewood feeding hole is 15-20 cm.
Example 2 and example 3
The cup is very sensitive to the preparation process parameters, and the small range change of the process parameters can cause great adverse effect on the characteristics of the cup, such as the appearance and the like of the final product, even cause the cup to fail in preparation, so the requirement of the cup on the preparation process is very strict. The embodiment 2 and the embodiment 3 are used for preparing the cup according to the preparation process the same as the embodiment 1, the characteristics of the cup prepared by the embodiment 2 and the embodiment 3 are basically similar to the cup prepared by the embodiment 1, and the yield is approximately the same, and the result shows that the cup prepared by the preparation process of the embodiment 1 has high yield, and the method has good repeatability, strong stability and easy large-scale production.
Evaluation of pigmented Mallotus oblongifolius
Referring to fig. 1 and 2, the colored partridge cup-built oil drops prepared in the embodiment 1 are in a strip feather shape, the stripes of the oil drops are in an increasing radiation trend from the center to the edge in the cup, the color is gorgeous and extremely bright, the whole cup-built oil drops look like partridge spreading wings, peacocks spreading, fireworks blooming, sufficient tension, strong stereoscopic impression, and strong visual impact and artistic aesthetic feeling.
The cup is very sensitive to the preparation process parameters, and the small range change of the process parameters can also cause great adverse effects on the characteristics of the cup finished product, such as appearance, and the like, and the specific steps are as follows:
comparative example 1
This comparative example differs from example 1 in that:
(2) glazing: firstly applying the first glaze slip, pouring the first glaze slip into the blank body for staying for 4-5s, reversely buckling the blank body, soaking the blank body in the first glaze slip for 4-5s, and airing the blank body without glazing the outer bottom of the blank body; applying the second glaze slip, repeating the glazing position of the first glaze slip, pouring the second glaze slip into the blank body for 2-3s, reversely buckling the blank body, soaking the blank body in the second glaze slip for 2-3s, and airing;
the glazing thickness of the first glaze slip is 0.6-0.7mm, and the glazing thickness of the second glaze slip is 0.3-0.4 mm;
the cup obtained in the comparative example has round, nearly round and oval glazed oil drops, irregular shapes and dense and hemp distribution, and is greatly different from the cup obtained in the example 1.
Comparative example 2
This comparative example differs from example 1 in that: only one glaze slip (namely, the first glaze slip) is prepared, and only the first glaze slip is applied during glazing.
The cup obtained in the comparative example has glaze oil drops which are common round or oval oil drops, the number of the glaze oil drops is small, and the glaze oil drops are distributed in a sparse Lala manner, so that the cup is greatly different from the cup obtained in the example 1.
Comparative example 3.
This comparative example differs from example 1 in that: only one glaze slip (namely, the second glaze slip) is prepared, and only the second glaze slip is applied during glazing.
The golden cup obtained by the comparative example has the oil drops which are common round or oval oil drops, does not form the oil drops of Francolinia pintadeana integrally, and belongs to the common oil drops.
Comparative example 4
This comparative example differs from example 1 in that: the second stage of the step (3) is specifically as follows:
and a second stage: keeping the temperature at 1270 ℃ for 1.5h, and throwing primary firewood from the hole of the kiln when the temperature of the kiln rises to 1270 ℃; respectively feeding the firewood for the second time, the third time, the fourth time, the fifth time and the sixth time at intervals of 5 min; 130g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
the cup obtained by the comparative example has the advantages that the glaze oil drops are long-strip-shaped, but the quantity is small, the whole cup is lack of aesthetic feeling, meanwhile, the glaze has more pores, and the glossiness is inferior to that of the cup obtained in the example 1.
Comparative example 5
This comparative example differs from example 1 in that: the third stage of the step (3) is specifically as follows:
and a third stage: and after the heat preservation is finished, the power is cut off, and the temperature of the kiln is naturally reduced to 1240 ℃.
The glaze color of the cup obtained by the comparative example is blue, and the cup has no colorful color.
Comparative example 6
This comparative example differs from example 1 in that: the fourth stage of the step (3) is specifically as follows:
a fourth stage: keeping the temperature at 1240 ℃ for 20min, feeding the firewood once when the temperature is kept for 10min, and feeding the firewood once again at an interval of 9 min; in the stage, 120g of firewood is put in the kiln space with the input amount of 0.5 cubic meter each time;
the cup obtained by the comparative example has more glaze shrinkage defects.
Comparative example 7
This comparative example differs from example 1 in that: the fifth stage of the step (3) is specifically as follows:
the fifth stage: cutting off power, naturally cooling the kiln to 1060 ℃, feeding the firewood once, and feeding the firewood once again at an interval of 8 min; 100g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time;
the cup obtained by the comparative example has more glaze shrinkage defects.
Comparative example 8
This comparative example differs from example 1 in that: the sixth and seventh stages of step (3) are specifically:
the sixth stage: naturally cooling the kiln to 960 deg.C, opening the kiln door to the maximum, and closing the kiln door when the kiln temperature is reduced to 700 deg.C;
a seventh stage: naturally cooling and discharging.
The glaze of the cup obtained by the comparative example is mixed yellow and red, and has no colorful color.
Comparative example 9
This comparative example differs from example 1 in that: the sixth stage of the step (3) is specifically as follows:
the sixth stage: naturally cooling the kiln to 960 deg.C, opening the kiln door to the maximum, and closing the kiln door when the kiln temperature is reduced to 700 deg.C; electrifying, increasing the temperature of the kiln to 1100 ℃ after 2h, and keeping the temperature for 5 min;
the glaze smoothness of the built cup obtained by the comparative example is poorer than that of the built cup obtained by the example 1.
Comparative example 10
This comparative example differs from example 1 in that: the sixth stage of the step (3) is specifically as follows:
the sixth stage: naturally cooling the kiln to 960 deg.C, opening the kiln door to the maximum, and closing the kiln door when the kiln temperature is reduced to 700 deg.C; electrifying, increasing the temperature of the kiln to 1065 ℃ after 2 hours, and keeping the temperature for 5 min.
The glaze of the cup obtained by the comparative example is mixed with green and black, and has no colorful color.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. The colored partridge marigold is characterized in that: the glaze comprises a blank body and a glaze material;
the blank body is prepared from the following components in parts by weight: 7 parts of kaolin and 3 parts of laterite;
the laterite and kaolin are both taken from Jianyang district Shuijing in Nanping City of Fujian province;
the glaze comprises a first glaze and a second glaze;
the first glaze is prepared from the following components in parts by weight: 8 parts of glaze ore, 1 part of potassium feldspar, 1 part of calcite and 10 parts of water;
the second glaze comprises the following components in parts by weight: 7 parts of glaze ore, 0.2 part of talcum, 0.17 part of quartz, 0.8 part of iron oxide red, 2 parts of plant ash and 20 parts of water;
the glaze ore is obtained from Nanlincun of Jianyang district of Nanping city of Fujian province.
2. The colored partridge marigold of claim 1, wherein: the plant ash is prepared by the following method: burning oak to obtain ash, and sieving with 80-100 mesh sieve to obtain plant ash.
3. The process of claim 2 for the preparation of colored mallotus oblongifolius (maw) as claimed in claim 2, wherein: the method comprises the following steps:
(1) preparing a blank body, first glaze slip and second glaze slip, wherein,
the green body is prepared by the following method: mixing 7 parts by weight of kaolin and 3 parts by weight of laterite, crushing, elutriating, sieving with a 80-mesh sieve, performing filter pressing, refining mud and ageing to obtain a blank raw material; performing blank drawing and forming, trimming, biscuit firing and cooling on the blank raw material to obtain a blank;
the first glaze slip is prepared by the following method: weighing and mixing the first glaze according to a formula, grinding the mixture in a ball mill, and sieving the ground mixture with a 120-mesh sieve to obtain first glaze slurry;
the second glaze slip is prepared by the following method: weighing and mixing the second glaze according to the formula, grinding the mixture in a ball mill, and sieving the ground mixture with a 120-mesh sieve to obtain second glaze slip;
(2) glazing: firstly applying the first glaze slip, pouring the first glaze slip into the blank body for staying for 2-3s, reversely buckling the blank body, soaking the blank body in the first glaze slip for 2-3s, and airing the blank body without glazing the outer bottom of the blank body; applying the second glaze slip, repeating the glazing position of the first glaze slip, pouring the second glaze slip into the blank body for 4-5s, reversely buckling the blank body, soaking the blank body in the second glaze slip for 4-5s, and airing;
the glazing thickness of the first glaze slip is 0.3-0.4mm, and the glazing thickness of the second glaze slip is 0.6-0.7 mm;
(3) putting the glazed and dried green body into an electric kiln for roasting, wherein the roasting is carried out by the following stages:
the first stage is as follows: the temperature of the kiln is increased from normal temperature to 600 ℃ at a constant speed for 2 hours; the temperature of the kiln is raised from 600 ℃ to 1000 ℃ at a constant speed for 2.5 h; the temperature of the kiln is raised from 1000 ℃ to 1270 ℃ at a constant speed for 2.5 h;
and a second stage: keeping the temperature at 1270 ℃ for 1.5h, and throwing primary firewood from the hole of the kiln when the temperature of the kiln rises to 1270 ℃; keeping the temperature for 1h, and feeding secondary diesel oil; keeping the temperature for the rest 20min, adding third-time firewood, and adding fourth-time, fifth-time and sixth-time firewood respectively every 5 min; 130g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
and a third stage: after the heat preservation is finished, the power is cut off, the temperature of the kiln is naturally reduced to 700 ℃, then the power is switched on, and the temperature of the kiln is increased to 1240 ℃ after 2.5 hours;
a fourth stage: keeping the temperature at 1240 ℃ for 20min, feeding the firewood once when the temperature is kept for 10min, and feeding the firewood once again at an interval of 9 min; 100g of firewood is put in the kiln space with the input amount of 0.5 cubic meter at each time;
the fifth stage: cutting off power, naturally cooling the kiln to 1060 ℃, feeding the firewood once, and feeding the firewood once again at an interval of 8 min; 80g of firewood is put into the kiln space with the input amount of 0.5 cubic meter at each time in the stage;
the sixth stage: naturally cooling the kiln to 960 deg.C, opening the kiln door to the maximum, and closing the kiln door when the kiln temperature is reduced to 700 deg.C; electrifying, raising the temperature of the kiln to 1080 ℃ after 2 hours, and keeping the temperature for 5 min;
a seventh stage: and (4) stopping the furnace when the power is off, naturally cooling and discharging.
4. The process of claim 3 for the preparation of colored Mallotus oblongifolius (Tamarinus indicus) as claimed in claim 3, wherein: and (3) biscuit firing in the step (2) is that the temperature of the kiln is increased from normal temperature to 800 ℃ at a constant speed after 6 hours, and the kiln is shut down and cooled.
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