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A high thermal shock resistance aluminum-magnesium casserole and its production method

A technology of thermal shock resistance and aluminum-magnesium, applied in the field of high thermal shock resistance aluminum-magnesium casserole and its production, can solve the problems of rapid expansion or contraction, rupture, poor adaptability to temperature difference, etc., and achieve simple production, low cost, considerable economic benefits

Inactive Publication Date: 2014-10-29
刘华君
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  • Summary
  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

This kind of vitreous body has poor adaptability to temperature difference. If the casserole is suddenly heated or cooled, it will cause rapid expansion or contraction, and it is easy to cause rupture.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0037] Weigh the following raw materials in sequence: Yixing white clay: 144g; Suzhou No. 1 clay: 240g; Guangxi talc: 336g; raw alumina: 480g. Mix the raw materials evenly in a mixer, and the mixing time is 12 hours; add 300g of water after discharging; then put the wet raw materials in a vacuum machine to evacuate to 10 -4 Keep it at standard atmospheric pressure for 3 hours; use a camel cart gypsum model to form a green body, and the molding pressure is 7MPa; keep the green body at a low temperature of 95°C for 20 hours, and then hold it at a high temperature of 350°C for 20 hours to obtain a dried ceramic pot body Body, the thickness of the green body is 5-8mm.

[0038] Weigh the following raw materials in turn to prepare the glaze color: spodumene: 40g; Guangxi talc: 28g; zinc oxide: 10g; Suzhou No. 1 mud: 8g; lithium feldspar: 10g; The glaze color is evenly painted on the casserole, usually 3-5 times, let stand for 24 hours, dry at a high temperature of 300°C for 12 hour...

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Abstract

The invention relates to an alumina-magnesia marmite with high thermal shock resistance and a manufacturing method thereof. The alumina-magnesia marmite with high thermal shock resistance is characterized in that (1) marmite body ceramic comprises the following components by mass: 8-15% of Yixing white mud, 15-25% of Suzhou 1# mud, 20-30% of Guangxi talc, and the baklance of raw alumina; and (2) enamel comprises the following components by mass: 30-40% of spodumene, 20-30% of Guangxi talc, 6-15% of zinc oxide, 5-8% of Suzhou 1# mud, 10-12% of lithium feldspar, 2-4% of dolomite, and the balance of calcite. The thickness of the marmite body ceramic is 5-8 mm. The manufacturing method of the alumina-magnesia marmite with high thermal shock resistance comprises the following steps: at first, manufacturing the marmite body ceramic body, then painting the enamel, and finally, the ceramic body is sintered at a high temperature of 1,200-1,220 DEG C. The alumina-magnesia marmite with high thermal shock resistance and the manufacturing method improve the defect of poor thermal shock resistance of a conventional marmite greatly.

Description

technical field [0001] The invention relates to an aluminum-magnesium casserole with high thermal shock resistance and a manufacturing method thereof, belonging to the field of daily-use utensils. Background technique [0002] Casserole is one of the commonly used cooking utensils in China, because it is a pottery product made of raw materials that are not easy to transfer heat and fired at high temperature. It has the characteristics of ventilation, adsorption, uniform heat transfer, and slow heat dissipation. The casserole can transfer the external heat energy to the internal raw materials in a balanced and long-lasting manner. The internal environment temperature is relatively balanced, which is conducive to the mutual penetration of water molecules and food. The longer this mutual penetration is maintained, the more fresh and fragrant ingredients overflow. The more fresh and mellow the taste of the soup, the crisper the texture of the stewed food. [0003] Because casse...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B33/13C04B41/86
Inventor 刘俊杰刘华君
Owner 刘华君
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