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A technology of ceramic products and ceramic mud, which is applied in the field of ceramic product manufacturing, can solve problems such as unstable shrinkage ratio and easy deformation, and achieve the effects of widening the firing temperature range, high yield rate, and meeting large-scale industrial production
Inactive Publication Date: 2013-06-19
FUJIAN GUANFU IND CO LTD
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Abstract
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Problems solved by technology
[0003] The main purpose of the present invention is to overcome the shortcomings of easy deformation and unstable shrinkage ratio in the firing of cerami
Method used
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Examples
Experimental program
Comparison scheme
Effect test
Embodiment 1
[0016] A kind of ceramic wine bottle, is made by following method:
[0017] Step 1, adding water to the mud material in the following weight ratio to make slurry: 48% kaolin, 42% feldspar, 2% alumina, 5% talc and 3% quartz;
[0018] Step 2, adding water glass accounting for 0.5% by weight of the slurry and American fairy water accounting for 0.1% by weight of the slurry in the prepared slurry to form a green body;
[0019] Step 3, biscuit firing the prepared green body at 780-820°C;
[0020] Step 4, glaze after bisque firing;
[0021] Step five, firing at 1280-1320°C after glazing, keeping 2 hours at 960°C and 1.5 hours at 1280-1320°C.
Embodiment 2
[0023] A kind of ceramic wine bottle, is made by following method:
[0024] Step 1, adding water to the mud material in the following weight ratio to make slurry: 55% kaolin, 36% feldspar, 2% alumina, 3% talc and 4% quartz;
[0025] Step 2, adding water glass accounting for 0.6% by weight of the slurry and American fairy water accounting for 0.2% by weight of the slurry in the prepared slurry to form a green body;
[0026] Step 3, biscuit firing the prepared green body at 780-820°C;
[0027] Step 4, glaze after bisque firing;
[0028] Step five, firing at 1280-1320°C after glazing, keeping 2 hours at 960°C and 1.5 hours at 1280-1320°C.
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Abstract
The invention discloses a ceramic clay material. The ceramic clay material comprises the following components in percentage by weight: 48%-55% of kaoline, 36%-42% of feldspar, 2%-4% of aluminum oxide, 3%-5% of talcum and 3%-6% of quartz. Compared with the prior art, the formula of the ceramic clay material disclosed by the invention is obtained by the applicant through a plurality of tests; each component in the formula is brought into play in a synergetic manner; particularly, 2%-4% of aluminum oxide is added to the formula; during product sintering, the contraction ratio control plays a key role, so that the sintered product is unlikely to deform; the sintering concentration ratio is controlled to be 14%-15%; and 3%-4% of talcum is added to the formula, so that the sintering temperature range of the product sintering can be expanded, and therefore, the yield of the product sintering is higher and the large-scale industrial production requirements are satisfied.
Description
technical field [0001] The invention relates to the field of ceramic product manufacturing. Background technique [0002] In the manufacturing process of ceramic products, how to control the shrinkage ratio during the firing process of the product has always been a key concern of the industry, and the key to the impact on the shrinkage ratio is the control of the composition of the green body mud. In some special occasions for ceramic applications , such as ceramic wine bottles, the requirements for the shrinkage ratio and the firing strength of the green body are more stringent. It is well known that the necks of ceramic wine bottles in the prior art are seldom threaded. This is because: the industry has not found a mud formula with relatively stable firing shrinkage and high firing strength of the green body, resulting in the obtained The mouth of the ceramic wine bottle does not match the thread of the bottle cap, so it is difficult to meet the high requirements of wine ...
Claims
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Application Information
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