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Australia KEEPCUP environmental protection cup The use of local

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[Abstract] this paper describes the use of Dehua local and surrounding areas of ceramic raw materials at low temperature firing pottery Baiyunbeauty body formulation, process parameters, firing performancemethod, body, and points out that making full use of local and surrounding area of raw materials for the production of white pottery to the enterprise has brought great benefits, improve the Dehua ceramics in the international market competitiveness.
[keyword] Baiyun pottery formula of local and surrounding areas of greeneconomy, environmental benefits of ceramic raw materials
One, foreword
Bai Yuntao also called light ceramic, is an environmental protection typeceramic products recognized on the international market, the productwas first found in the advanced countries Japan and American, start is to solve the problem of ceramic production process of high energy consumption, air pollution, pollution of the environment and introduced a number of policies to encourage enterprises to produce some of the lower temperature and less pollution to environment ceramics products.Bai Yuntao is seen in this environment and in the early ninety's to china.Dehua has a long history of ceramic production, local and surroundingarea is rich in mineral resources, is very conducive to the production ofceramic industry. Dehua ceramic mainly to export, produced more than90% ceramic products exports, which Baiyun pottery is one of the mainexport products, production and sales, and considerable market prospect is very broad, is one of the main development direction of ceramic production, thus making full use of Dehua local and surrounding area is rich in the production of ceramic raw materials to Baiyun pottery Dehua ceramics bring huge social benefit and economic benefit, after more than a year of study of this technology has been basically mature, and put intothe factory production, produced good results. Two, the properties and the chemical composition of raw materials Material properties
Dehua local and surrounding area rich in raw materials, such asporcelain stone, dolomite, quartz and other reserves, the short distance,this paper introduces as follows:
Dehua ban Zi porcelain stone: the appearance of pale grey, with a light green, a higher degree of weathering, easy ball milling, low iron content,loss on ignition, the raw material as the main barren material, its storagecapacity is very large and the chemical composition and stability, is the ideal green material, the mine in the suburban area of Dehua county.
Dehua ban Zi porcelain stone: the appearance of pale grey, with a light green, a higher degree of weathering, easy ball milling, low iron content,loss on ignition, the raw material as the main barren material, its storagecapacity is very large and the chemical composition and stability, is the ideal green material, the mine in the suburban area of Dehua county.
The beauty of Dehua Lake albite: the appearance of a white or pale red,associated minerals include quartz, mica, trace the low iron content, loss on ignition, is the ideal flux raw material in the mine, 15 km away from Dehua city.
Youxi dolomite: the appearance of a white, dense block, with a vitreous luster, hardness of about 3.60, low iron content, huge reserves, is Baiyunceramic ideal raw material, the mine 140 km away from Dehua city.
Yongchun quartz sand: the sand as the washing Yongchun Jie Fu KaolinTailings, stock is very large, low price, the iron content is not high, the mine is 20 km away from Dehua city.
Longyan kaolin kaolin: the high purity, fine texture, appearance is white,high refractoriness, low iron content is an ideal ceramic raw materials, the mine is located in the Fujian suburb of Longyan City, 180 kilometers away from Dehua.
Longyan washed kaolin (200 eyes): the Longyan kaolin clay for washingthe processed products, strong plasticity, but the price is moreexpensive, the dose must be controlled at low range. Longyan washedkaolin (200 eyes): the Longyan kaolin clay for washing the processed products, strong plasticity, but the price is more expensive, the dose must be controlled at low range.
With the appearance of black clay: grayish black, burning loss, plasticity is very good, the iron content is not very high, plastic raw material is very good, the mine is 130 km away from Dehua.
A variety of chemical composition of raw materials are shown in Table 1
Three, Bai Yuntao process characteristic and the requirement of raw materials
Two process characteristics of low temperature firing of white pottery andthe demands on materials and traditional ceramics have some differences, as follows:
The white ceramic material mainly used for the production of handicraftsand other complex products, so the plasticity billet mud should be better,in order to facilitate the production.
Bai Yuntao firing temperature is only 1000  - 1100 , which requires the body to better sintering at low temperature, in order to achieve thebody mechanical strength required.
The Baiyun pottery products mainly exported to European, North Americaand other developed regions, beautiful appearance of the demand is higher, so the body iron content of raw products with lower, after burningwhiteness to higher.
To sum up, the higher demands on the materials of white ceramicmaterial, through the experiment on the Dehua ceramic raw materials of local and surrounding area for more than a year while taking into accountthe cost of raw materials, selected Dehua porcelain stone, dolomite,Youxi Longyan kaolin as the main raw material formulation research,obtained the production success.
Study four, blank formulations
(1) body formulation selection
The first formula diagnostic test for a large number of plasticity, in to meet the requirements of the premise, select five kinds of formula of L - 1, L - 2, L - 3, L - 4, L - 5 and conduct in-depth research andcomparative analysis.
Five kinds of prescription, chemical formula is as follows:
(2) the trial process
The process used in the test are as follows:
Raw material crushing, batching, wet milling and sieving iron removal,filtration, practice, stale, vacuum pugging, plastic, plastic forming, drying,billet Bisque firing, glaze painting, on white glaze, glaze firing - finished product - chemical pulp, injection molding
(3) the main process parameters
Material: Ball: water =1:1.5:0.6 electrolyte concentration 0.25-0.30%, slip fineness million hole 1-2%, milling time of 24 hours
(4) effects of different formula on the process performance and parameters
Under the same temperature, different formulations
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