CN101696124A

CN101696124A - Firing process for reinforcing glaze bone china

Info

Publication number: CN101696124A
Application number: CN200910186320A
Authority: CN
Inventors: 尧忠义
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-26
Filing date: 2009-10-26
Publication date: 2010-04-21
Anticipated expiration: 2029-10-26
Also published as: CN101696124B

Abstract

The invention relates to a firing process for reinforcing glaze bone china, which belongs to the technical field of ceramics firing. The invention is characterized in that: the formed flank is polished and glazed after the flank is fired for 780-800 DEG C; the glazes at the opening edge and the bottom edge are removed; the opening edge of a product of which the glaze at the opening edge is removed is inversely placed in a groove of a moulding pad when the blank is charged; the product and the moulding pad are charged together to enter a kiln, wherein the first firing process adopts once-firing by reducing flame and the firing temperature is between 1,330 and 1,350 DEG C; the moulding pad is a groove-shaped pad which is matched with the opening edge of the product and made of the blank which is same as the material of the product; after the materials are fired and cooled, ceramics are selected and classified, and the obtained product is glazed and decorated by stained paper; the opening edge is glazed again after the stained paper is dried; and secondary-firing is performed by a weak reducing atmosphere, namely the glazed colour is fired while the opening edge is performed by the secondary-firing process. The invention has the advantages of good whiteness, translucence and heat stability, high glaze rigidity and no lead cadmium.

Description

A kind of firing process of reinforcing glaze bone china

Technical field

The invention belongs to ceramic firing technology field, particularly a kind of firing process of reinforcing glaze bone china.

Background technology

The sclerotin porcelain normally passes through high temperature biscuiting and low temperature glaze firing, fires a kind of porcelain that forms twice.The porcelain exquisiteness is penetrating, the moist light of glaze, and characteristics such as furnishings elegance are one of high-grade porcelains of generally acknowledging.But owing to adopt low temperature glaze firing so glaze intensity is lower, be difficult for maintenance, can only use hand when cleaning, unavailable dishwasher or cleaning ball clean in order to avoid after the glaze scratch, form dirt.Used the microwave oven heat exchange often and can make porcelain glaze blackout by the damage porcelain, can not be acidproof etc.As: application number is 200610102103.4, and denomination of invention is " color bone china and production method thereof " disclosed method, and biscuiting becomes base after slip casting or the machine-processed formed product, the biscuiting temperature: 1225 ℃-1235 ℃; Moulded pottery not yet put in a kiln to bake is executed transparent and is reburned into porcelain, firing temperature after fine grinding: 900 ℃-1100 ℃; And for example: application number is that 200510063373.4 denominations of invention are for " a kind of Recipe of high temperature hard glaze for bone china and sclerotin porcelain production technique " disclosed technology: the first step is to spray high temperature hard glaze for bone china in the front of dried base substrate, support with the profiling saggar at the base substrate back side simultaneously, prevent blank deformation, send into plain kiln then and burn till for inherent 1270 ℃-1280 ℃; Second step was to spray low temperature glaze for the first time spraying the porcelain spare goods back side that high temperature hard glaze burns till, and sent into glost kiln and carried out the glaze firing second time for inherent 1050 ℃-1160 ℃.

Summary of the invention

The object of the present invention is to provide a kind of reinforcing glaze bone china, improve firing temperature by adjusting batching of body and glaze, reinforcing glaze bone china the first time firing temperature about 1350 ℃, for the second time firing temperature is about 1280 ℃, adopts the base glaze to burn till together when burning till for the first time and this base mud of firing and adopt of carrying out in-glaze decoration when mouthful glaze burns till is for the second time done the firing process of reinforcing glaze bone china of the dress base technology of bedder.

The present invention is achieved in that

1), with after the semifinished product forming, through polishing smooth after 780-800 ℃ of biscuiting, reglaze, again mouth along removing along glaze the end of with;

Put upside down in the groove of the bedder of finalizing the design along the mouth edge of the goods of glaze removing mouth when 2), adorning base, adorn base together and go into kiln, burn till the first time of base and glaze and adopt reduction flame once-firing, firing temperature 1330-1350 ℃, described typing bedder is the groove bedder that fits like a glove with goods mouth edge that adopts that this base mud consistent with the used pug of goods makes;

3), bake after, after the cooling, select the porcelain classification, paste the in-glaze decoration flower, wait marble paper to do after upper edge glaze again, by 1270-1280 ℃ weakly reducing atmosphere twice firing, carry out firing of in-glaze decoration when promptly a mouthful glaze burns till for the second time then.

The present invention has following characteristics:

1, improved the glaze intensity of porcelain

Improved the firing temperature of base glaze, twice firing all adopts reducing flame atmosphere to burn till, and firing temperature is all more than 1280 ℃, improved about 120 ℃ than conventional bone porcelain firing temperature, the firing temperature height can strengthen porcelain intensity, and overglaze hardness has improved 1.0Gpa;

2, improved the porcelain quality

Owing to adopted this base mud to do bedder, bedder is made the groove that fits like a glove with goods mouth edge, the goods mouth is fired along being put in the bedder groove, because of the used pug of goods and bedder consistent (so claiming this base mud), goods shrink and shrink consistent controlled deformation defective fully simultaneously when therefore burning till with bedder, can improve the quality more than 10%.

3, reduce cost, improved class

Adopted base glaze once-firing when burning till for the first time, burnt till the back and paste the in-glaze decoration marble paper and fire with mouth secondary after the glazing, it is cost-saved 10% to have reduced the decoration firing operation, all make in-glaze decoration simultaneously after, cause the unleaded nontoxic class that improved of product.

It is good that reinforcing glaze bone china of the present invention has whiteness, and translucency is good, Heat stability is good, hardness of glaze surface height, characteristics such as lead and cadmium free stripping.Detect by national ceramic product quality supervision and test centers (Jiangxi), reach following technical data parameter:

1, thermostability: 180/20 ℃ of heat exchange is not once split, and detects according to GB/T3298-2008.

2, water-intake rate: 0.17～0.21%, detect according to GB/T3299-1996.

3, plumbous stripping: 0.0mg/l detects according to GB/T3534-2002.

4, cadmium stripping: 0.00/l detects according to GB/T3534-2002.

5, whiteness: 80.1～80.6, detect according to QB/T1503-1992.

6, hardness of glaze surface: 5.8Gpa detects according to GB/T3731-1999.

Embodiment

The present invention can specifically implement by the technology that illustrates in the summary of the invention, can further describe the present invention by the following examples, yet scope of the present invention is not limited to following embodiment.

Embodiment 1:

1), adopt the base glaze to be made up of following each composition weight percentage: bone meal is 40-55%, and kaolin is 25-34%, and clay is 8-12%, and feldspar or quartz are 8-14%, and all the other are additive agent electrolyte, and the percentage ratio total amount is 100%.Purpose is to improve firing temperature.

2), with after the semifinished product forming, through polishing smooth after 800 ℃ of biscuitings, reglaze, again mouth along removing along glaze the end of with;

Put upside down in the groove of the bedder of finalizing the design along the mouth edge of the goods of glaze removing mouth when 3), adorning base, adorn base together and go into kiln, burn till the first time of base and glaze and adopt the reducing atmosphere once-firing, 1350 ℃ of firing temperatures, described typing bedder are the groove bedders that fits like a glove with goods mouth edge that adopts that this base mud consistent with the used pug of goods makes;

4), bake after, after the cooling, select the porcelain classification, paste the in-glaze decoration flower, wait marble paper to do after upper edge glaze again, by 1280 ℃ weakly reducing atmosphere twice firing, carry out firing of in-glaze decoration when promptly a mouthful glaze burns till for the second time then.

Embodiment 2: base glaze material is the same

1), with after the semifinished product forming, through polishing smooth after 780 ℃ of biscuitings, reglaze, again mouth along removing along glaze the end of with;

Put upside down in the groove of the bedder of finalizing the design along the mouth edge of the goods of glaze removing mouth when 2), adorning base, adorn base together and go into kiln, burn till the first time of base and glaze and adopt reduction flame once-firing, 1330 ℃ of firing temperatures, described typing bedder are the groove bedders that fits like a glove with goods mouth edge that adopts that this base mud consistent with the used pug of goods makes;

3), bake after, after the cooling, select the porcelain classification, paste the in-glaze decoration flower, wait marble paper to do after upper edge glaze again, by 1270 ℃ weakly reducing atmosphere twice firing, carry out firing of in-glaze decoration when promptly a mouthful glaze burns till for the second time then.

Embodiment 3: base glaze material is the same

1), with after the semifinished product forming, through polishing smooth after 800 ℃ of biscuitings, reglaze, again mouth along removing along glaze the end of with;

Put upside down in the groove of the bedder of finalizing the design along the mouth edge of the goods of glaze removing mouth when 2), adorning base, adorn base together and go into kiln, burn till the first time of base and glaze and adopt reduction flame once-firing, 1350 ℃ of firing temperatures, described typing bedder are the groove bedders that fits like a glove with goods mouth edge that adopts that this base mud consistent with the used pug of goods makes;

3), bake after, after the cooling, select the porcelain classification, paste the in-glaze decoration flower, wait marble paper to do after upper edge glaze again, by 1280 ℃ weakly reducing atmosphere twice firing, carry out firing of in-glaze decoration when promptly a mouthful glaze burns till for the second time then.

Embodiment 4: base glaze material is the same

Claims

1. the firing process of a reinforcing glaze bone china is characterized in that:

2. the firing process of a kind of reinforcing glaze bone china according to claim 1 is characterized in that:

1), adopt the base glaze to be made up of following each composition weight percentage: bone meal is 40-55%, and kaolin is 25-34%, and clay is 8-12%, and feldspar or quartz are 8-14%, and all the other are additive agent electrolyte, and the percentage ratio total amount is 100%.