CN105645926B - Preparation method of portable bone china soup ladle - Google Patents
Preparation method of portable bone china soup ladle Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G21/00—Table-ware
- A47G21/04—Spoons; Pastry servers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
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- C04B33/24—Manufacture of porcelain or white ware
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Abstract
The invention discloses a preparation method of a bone china light soup ladle, which is characterized by comprising the following production steps: (1) blank preparation (2) glaze preparation (3) slip casting and forming (4), biscuit trimming (5), biscuit firing (6) glazing (7) firing. The bone china light soup ladle manufactured by the invention has regular and unchangeable appearance, good product transmittance and smooth glaze layer. The product is beautiful and light, and the impact strength is higher than 1.5J/cm2. The product quality meets the standard requirements of GB/T13522 bone china.
Description
Technical Field
The invention relates to the field of ceramics, in particular to a preparation method of a bone china light soup ladle.
Background
The soup ladle is a tableware, the shape of which is hollow and hemispherical, and is provided with a long handle, and the tail part of the handle is provided with a small hole. Most of common soup ladles in the market and at home are made of stainless steel, plastics and the like, and the quantity of ceramics is less.
The daily ceramic tableware is the most common and popular tableware for restaurants and households, and has the advantages of sanitation, practicability, easy cleaning after use and the like. The bowls, plates, cups, plates, small tablespoons and the like in the daily ceramics are simple in shape and easy to control in production. The soup ladle (the total length is 20-30 cm, the handle part is 14-20 cm long) is made, the production process is ensured not to be deformed, the product cannot be easily broken when in use, the thickness of the soup ladle needs to be increased, and the diameter of the handle needs to be increased, so that the ceramic soup ladle made by the method is more in material consumption, the product is heavy in use, and the impression of consumers is that the product is not low in selling price and is inconvenient to use. The conventional ceramic soup ladle is heavy and discordant when being matched with complete sets of daily ceramics, in particular daily bone china and other high-grade tableware.
In domestic ceramics exported abroad, foreign customers have made many improvement requirements on the soup ladle, but no breakthrough improvement is seen due to the limitation of production technology. The improvement and innovation direction of the ceramic soup ladle in the daily ceramic production industry is mainly as follows: the whole is light, the thickness is reduced, the weight is reduced, the appearance is artistic, and the handle is provided with a bent arc shape. When the requirements are met, the best material is bone china, and the bone china is light and beautiful. The difficult problems of strength and folding resistance of the thin and light porcelain ladle must be solved, and the technical problems of mutual correlation of the raw material formula, the raw material preparation, the product forming and the firing process are overcome, so that technical innovation in multiple aspects is completed.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of a bone china portable soup ladle, the prepared bone china soup ladle product can have a plurality of specifications, the total length of the product is 20-30 cm, the length of a handle part is 12-20 cm, a small hole with the diameter of 0.2-0.3 mm is arranged at the tail part of the handle, the average thickness of the product is 2-2.5 mm, and the total weight of the product is 80-130 g. The handle of the product is in a curved shape, the whole appearance of the product is like a good one, and the product has artistic feeling. The quality of the product meets the standard requirements of GB/T13522 bone china, and the impact strength of the product is not less than 1.5J/cm2。
The invention discloses a preparation method of a bone china light soup ladle, which is characterized by comprising the following production steps:
(1) blank preparation
Taking 48-50 parts by weight of synthetic bone meal, 10-12 parts by weight of potash feldspar, 6-8 parts by weight of quartz, 18-20 parts by weight of kaolin, 3-4 parts by weight of ball clay, 3-4 parts by weight of cordierite and 7-8 parts by weight of waste porcelain as raw materials; the waste porcelain is a bone porcelain scrap product generated by firing;
mixing the raw materials, adding clear water for wet ball milling, sieving the ball-milled raw materials by a 220-mesh sieve, removing iron from the sieved raw materials by an iron remover, filter-pressing the iron-removed raw materials by a filter press to obtain mud blocks, and pugging the mud blocks by a pugging machine to prepare blanks with mass water content of 22-23% for later use;
(the following briefly introduces the characteristics of the application of the materials in the above formulation:
the synthetic bone powder has higher purity and lower burning loss rate than animal bone powder, so that the product can generate enough tricalcium phosphate after being burnt, and the product has good transmittance and lighter weight; the ball clay is added, so that the strength of the molded clay product can be improved, deformation and fracture are reduced, fettling is ensured, and the clay product is not damaged in the glazing process; the waste porcelain is a calcined crystal, and the addition of the waste porcelain can reduce volatile matters in the firing process of the product, reduce the firing temperature and also be a waste utilization; adding cordierite can raise the strength and heat shock resistance of the product after being fired
(2) Preparing glaze:
taking 52-54 parts by weight of potash feldspar, 16-17 parts by weight of quartz, 16-17 parts by weight of kaolin, 7-8 parts by weight of zinc oxide, 2-3 parts by weight of spodumene, 1-2 parts by weight of talc, 2-3 parts by weight of dolomite, 0.6-0.8 part by weight of strontium carbonate and 2-3 parts by weight of waste porcelain as raw materials; the waste porcelain is a bone porcelain scrap product generated by firing;
mixing the raw materials, adding clear water for wet ball milling, removing iron from the ball-milled raw materials by an iron remover, and screening the iron-removed raw materials by a 325-mesh sieve to prepare a bone porcelain glaze material for later use;
(the following briefly introduces the characteristics of the application of the materials in the above formulation:
the potash feldspar is a natural frit, and the potash feldspar is used as a main material, so that the transmittance of a glaze layer of a product can be improved; zinc oxide is added to play a role in fluxing, so that expansion is reduced, and the glaze layer is prevented from cracking in firing; adding spodumene to reduce the expansion coefficient of the glaze, so that the expansion coefficients of the blank and the glaze layer are similar; the addition of strontium carbonate can enhance the hardness of the glaze layer of the product, so that the glaze layer protects the blank and forms better compressive stress, and the product can withstand impact or collision; the waste porcelain is added, so that the firing temperature of the product can be reduced, the defect of a glaze layer is reduced, and the waste utilization is realized
(3) Slip casting
A. Adding clear water into the blank prepared in the step (1) and stirring to prepare slurry;
B. grouting according to a domestic ceramic pressure grouting method; the grouting process adopts a mould delay slurry absorption method, and the retention time of slurry in the mould is 30 minutes (15 minutes conventionally), so that the prepared muddy product has compact texture and improved strength;
C. placing the mud product formed by slip casting on a gypsum shaping support, and naturally drying for 24-26 hours; the gypsum shaping support is made of gypsum, and can prevent the shrinkage deformation of the muddy product in the drying process;
(4) fettling
Manually fettling the mud product which is formed by slip casting and naturally dried; grinding the surface of the muddy product by using 800-mesh sand paper, eliminating a joint line on the surface of the muddy product, sleeving silk stockings on hands, and adding water to slightly rub the surface of the muddy product to smooth the surface of the muddy product;
(5) biscuit firing
Biscuit firing the fettled argillaceous product by adopting a conventional kiln for ceramic production; placing the muddy product on a biscuit firing shaping support, and sending the muddy product into a kiln together for biscuit firing, wherein the biscuit firing is carried out at the highest temperature of 1260-1270 ℃ and the biscuit firing time of 11-12 hours; in the biscuiting process, keeping for 3-3.5 hours at the stage of 800-1000 ℃; the biscuiting and shaping support is made of mullite refractory material;
(6) glazing
Taking the glaze prepared in the step (2), and adding clear water to prepare glaze slip with the Baume degree of 60-65 ℃; filling the glaze slip into an air pressure spray gun, and spraying glaze on the biscuited product; the thickness of the glaze layer on the surface of the product is controlled to be 0.2-0.3 mm;
(7) firing into
Firing the glazed product by adopting a conventional kiln for ceramic production; a nichrome wire is used for hanging a small hole at the tail end of a handle of the product in a penetrating way, and the product is hung below a silicon carbide plate (a burning bearing plate) of a kiln; the highest firing temperature is 1120-1125 ℃, and the firing time is 9-10 hours; in the sintering process, keeping the temperature at 1000-1100 ℃ for 50-60 minutes; the bone china light soup ladle is prepared.
The bone china light soup ladle manufactured by the invention has regular and unchangeable appearance, good product transmittance and smooth glaze layer. The product is beautiful and light, and the impact strength is higher than 1.5J/cm2. The product quality meets the standard requirements of GB/T13522 bone china.
Drawings
Fig. 1 shows the way of placing the argillaceous product on a gypsum shaping support.
Fig. 2 shows the placement of the clay product on the bisque-fired setting holder.
The labels in the figure are: 1-a muddy product; 2-gypsum shaping support; 3-small hole at the tail end of the product handle; and 4, biscuit firing and shaping the support.
Detailed Description
Example (b):
the preparation method of the bone china light soup ladle comprises the following production steps:
(1) blank preparation
Taking 50 parts by weight of synthetic bone meal, 10 parts by weight of potassium feldspar, 8 parts by weight of quartz, 20 parts by weight of kaolin, 3 parts by weight of ball clay, 4 parts by weight of cordierite and 7 parts by weight of waste porcelain as raw materials; the waste porcelain is a bone porcelain scrap product generated by firing;
mixing the raw materials, adding clear water for wet ball milling, sieving the ball-milled raw materials through a 220-mesh sieve, removing iron from the sieved raw materials through an iron remover, filter-pressing the iron-removed raw materials through a filter press to obtain mud blocks, and pugging the mud blocks through a pugging machine to prepare blanks with mass water content of 22% for later use;
(2) preparing glaze:
taking 53 parts by weight of potash feldspar, 17 parts by weight of quartz, 16 parts by weight of kaolin, 7 parts by weight of zinc oxide, 3 parts by weight of spodumene, 1 part by weight of talc, 3 parts by weight of dolomite, 0.6 part by weight of strontium carbonate and 2 parts by weight of waste porcelain as raw materials; the waste porcelain is a bone porcelain scrap product generated by firing;
mixing the raw materials, adding clear water for wet ball milling, removing iron from the ball-milled raw materials by an iron remover, and screening the iron-removed raw materials by a 325-mesh sieve to prepare a bone porcelain glaze material for later use;
(3) slip casting
A. Adding clear water into the blank prepared in the step (1) and stirring to prepare slurry;
B. grouting according to a domestic ceramic pressure grouting method; the grouting process adopts a mould delay slurry absorption method, and the retention time of slurry in the mould is 30 minutes, so that the prepared mud product has compact texture and improved strength;
C. placing the mud product subjected to slip casting on a gypsum shaping support, and naturally drying for 25 hours; the gypsum shaping support is made of gypsum; the gypsum shaping support can prevent the clay product from shrinking and deforming in the drying process, and the placing mode of the gypsum shaping support and the clay product is shown in the attached figure 1;
(4) fettling
Manually fettling the mud product which is formed by slip casting and naturally dried; grinding the surface of the muddy product by using 800-mesh sand paper, eliminating a joint line on the surface of the muddy product, sleeving silk stockings on hands, and adding water to slightly rub the surface of the muddy product to smooth the surface of the muddy product;
(5) biscuit firing
Biscuit firing the fettled argillaceous product by adopting a conventional kiln for ceramic production; placing the muddy product on a biscuiting shaping support, and sending the muddy product into a kiln together for biscuiting, wherein the biscuiting maximum temperature is 1270 ℃, and the biscuiting time is 11 hours; in the biscuiting process, keeping for 3 hours at the stage of 800-1000 ℃; the biscuiting and shaping support is made of mullite refractory material;
the placement mode of the bisque-fired shaping support and the mud product on the bisque-fired shaping support is shown in figure 2;
(6) glazing
Taking the glaze prepared in the step (2), and adding clear water to prepare glaze slip with the Baume degree of 62 ℃; filling the glaze slip into an air pressure spray gun, and spraying glaze on the biscuited product; the thickness of the glaze layer on the surface of the product is controlled to be 0.2 mm;
(7) firing into
Firing the glazed product by adopting a conventional kiln for ceramic production; a nichrome wire is used for hanging a small hole at the tail end of a handle of the product in a penetrating way, and the product is hung below a silicon carbide plate (a burning bearing plate) of a kiln; the highest firing temperature is 1125 ℃, and the firing time is 9 hours; in the sintering process, keeping the temperature at 1000-1100 ℃ for 55 minutes; the bone china light soup ladle product is prepared.
The prepared bone china light soup ladle has regular and unchangeable appearance, good product transmittance and smooth glaze layer. The product is beautiful and light, and the impact strength is higher than 1.5J/cm2. The product quality meets the standard requirements of GB/T13522 bone china.
Comparative example 1: different from the embodiment, the adding amount of the synthetic bone powder in the blank is reduced to 30 parts by weight, and the prepared soup ladle product has poor light transmittance and larger weight.
Comparative example 2: different from the embodiment, ball soil is not added in the blank, the mud product formed by slip casting has poor strength, and the handle of the product is broken in the blank repairing process.
Comparative example 3: different from the embodiment, cordierite is not added into the blank, the strength of the prepared soup ladle product is greatly reduced, the handle is easy to break, and the thermal shock resistance is also greatly reduced.
Comparative example 4: different from the embodiment, strontium carbonate is not added in the glaze, the hardness of the glaze layer of the prepared soup ladle product is poor, the surface compressive stress of the glaze layer is reduced, and the handle is easy to break.
Comparative example 5: different from the embodiment, in the grouting forming process, the retention time of slurry in a mould is changed into the conventional 15 minutes, the strength of the formed mud product is reduced, and the handle is easy to deform or break when the mud product is demoulded and fettled.
Comparative example 6: different from the embodiment, the mud product formed by slip casting does not adopt a gypsum shaping support in natural drying, and the mud product generates shrinkage deformation in drying.
Comparative example 7: different from the embodiment, the biscuit firing of the product does not adopt biscuit firing shaping supporting tools, the product is directly placed on a silicon carbide plate in a kiln, and the biscuit fired product is seriously deformed.
Comparative example 8: different from the embodiment, the biscuit firing and firing temperatures are changed, and the biscuit firing maximum temperature is changed to 1120 ℃ and the firing maximum temperature is changed to 1270 ℃ according to the low-temperature biscuit firing and high-temperature firing method of the conventional daily porcelain. As the firing temperature is too high, the bent handle is straightened and deformed when the product is hung and burned, and the product is scrapped.
Comparative example 9: different from the embodiment, the product is not fired by adopting a suspension firing method, the product is placed on a silicon carbide plate in a kiln, and the glaze layer on the bottom surface of the product is melted and adhered to the back surface of the silicon carbide plate during firing, so that the product is scrapped.
Claims (1)
1. The preparation method of the bone china light soup ladle is characterized by comprising the following production steps:
(1) blank preparation
Taking 48-50 parts by weight of synthetic bone meal, 10-12 parts by weight of potash feldspar, 6-8 parts by weight of quartz, 18-20 parts by weight of kaolin, 3-4 parts by weight of ball clay, 3-4 parts by weight of cordierite and 7-8 parts by weight of waste porcelain as raw materials; the waste porcelain is a bone porcelain scrap product generated by firing;
mixing the raw materials, adding clear water for wet ball milling, sieving the ball-milled raw materials by a 220-mesh sieve, removing iron from the sieved raw materials by an iron remover, filter-pressing the iron-removed raw materials by a filter press to obtain mud blocks, and pugging the mud blocks by a pugging machine to prepare blanks with mass water content of 22-23% for later use;
(2) preparing glaze:
taking 52-54 parts by weight of potash feldspar, 16-17 parts by weight of quartz, 16-17 parts by weight of kaolin, 7-8 parts by weight of zinc oxide, 2-3 parts by weight of spodumene, 1-2 parts by weight of talc, 2-3 parts by weight of dolomite, 0.6-0.8 part by weight of strontium carbonate and 2-3 parts by weight of waste porcelain as raw materials; the waste porcelain is a bone porcelain scrap product generated by firing;
mixing the raw materials, adding clear water for wet ball milling, removing iron from the ball-milled raw materials by an iron remover, and screening the iron-removed raw materials by a 325-mesh sieve to prepare a bone porcelain glaze material for later use;
(3) slip casting
A. Adding clear water into the blank prepared in the step (1) and stirring to prepare slurry;
B. grouting according to a domestic ceramic pressure grouting method; the grouting process adopts a mould delay slurry absorption method, and the retention time of slurry in the mould is 30 minutes;
C. placing the mud product formed by slip casting on a gypsum shaping support, and naturally drying for 24-26 hours; the gypsum shaping support is made of gypsum;
(4) fettling
Manually fettling the mud product which is formed by slip casting and naturally dried; grinding the surface of the muddy product by using 800-mesh sand paper, eliminating a joint line on the surface of the muddy product, sleeving silk stockings on hands, and adding water to slightly rub the surface of the muddy product to smooth the surface of the muddy product;
(5) biscuit firing
Biscuit firing the fettled argillaceous product by adopting a conventional kiln for ceramic production; placing the muddy product on a biscuit firing shaping support, and sending the muddy product into a kiln together for biscuit firing, wherein the biscuit firing is carried out at the highest temperature of 1260-1270 ℃ and the biscuit firing time of 11-12 hours; in the biscuiting process, keeping for 3-3.5 hours at the stage of 800-1000 ℃; the biscuiting and shaping support is made of mullite refractory material;
(6) glazing
Taking the glaze prepared in the step (2), and adding clear water to prepare glaze slip with the Baume degree of 60-65 ℃; filling the glaze slip into an air pressure spray gun, and spraying glaze on the biscuited product; the thickness of the glaze layer on the surface of the product is controlled to be 0.2-0.3 mm;
(7) firing into
Firing the glazed product by adopting a conventional kiln for ceramic production; a nichrome wire is used for penetrating and hanging a small hole at the tail end of a handle of the product, and the product is hung below a silicon carbide plate of a kiln; the highest firing temperature is 1120-1125 ℃, and the firing time is 9-10 hours; in the sintering process, keeping the temperature at 1000-1100 ℃ for 50-60 minutes; the bone china light soup ladle is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050787.1A CN105645926B (en) | 2016-01-26 | 2016-01-26 | Preparation method of portable bone china soup ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610050787.1A CN105645926B (en) | 2016-01-26 | 2016-01-26 | Preparation method of portable bone china soup ladle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105645926A CN105645926A (en) | 2016-06-08 |
| CN105645926B true CN105645926B (en) | 2020-07-28 |
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| CN107129288B (en) * | 2017-05-11 | 2018-03-30 | 山东雅迪陶瓷有限公司 | Substitute environment-friendly type ceramic tile of natural jade stone material and preparation method thereof |
| CN107140970B (en) * | 2017-05-17 | 2020-04-07 | 广东金鹿陶瓷实业有限公司 | Preparation method of reinforced and anti-sticking bone china meal spoon |
| CN107619262B (en) * | 2017-08-01 | 2020-08-14 | 德化县凯得利工艺品有限公司 | Bone china and preparation method thereof |
| CN108395231A (en) * | 2018-01-26 | 2018-08-14 | 佛山市骏美特种陶瓷有限公司 | Low-expansion heat-resisting ceramic wafer and preparation method thereof |
| CN109485429A (en) * | 2018-11-13 | 2019-03-19 | 武汉美琪林新材料有限公司 | A kind of silicon carbide ceramics soup ladle suspension setting rod and preparation method thereof |
| CN109397958A (en) * | 2018-12-13 | 2019-03-01 | 禹州市锦丰源瓷业有限公司 | A kind of manufacture craft of six rib bottle of pottery trunk |
| CN110981429A (en) * | 2019-12-10 | 2020-04-10 | 赖盈彤 | Soft porcelain product and preparation method thereof |
| CN113307607A (en) * | 2021-07-01 | 2021-08-27 | 平定莹玉陶瓷有限公司 | Preparation method of high-temperature underglaze red ceramic |
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| CN1765835A (en) * | 2005-08-26 | 2006-05-03 | 林伟河 | Enamel prepared from waste ceramic and its preparation method |
| CN101423374A (en) * | 2008-11-18 | 2009-05-06 | 黄岳喜 | Method for preparing bone china mud |
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Effective date of registration: 20210422 Address after: 521000, Guangdong City, Chaoan province Chaozhou District ancient lane town Fu Development Zone Patentee after: GUANGDONG JINLU CERAMICS INDUSTRY Co.,Ltd. Address before: Gu Xiang Zhen 521000 Guangdong city in Chaozhou province Fu in the development zone of Guangdong Jinlu Ceramics Industry Co. Ltd. Patentee before: Huang Lichuan Patentee before: Huang Zenghong Patentee before: Huang Liuhong |