Low-temperature semiwhite porcelain and manufacturing method thereof
A production method and low-temperature technology, applied in the field of ceramics, can solve the problems that light-weight dolomite can not meet market demand, long firing time of semi-white porcelain, and high water absorption rate of semi-white porcelain, so as to improve the utilization rate of kilns and improve the efficiency of kilns. Furnace utilization space, high whiteness effect
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Embodiment 1
[0030] Low-temperature semi-white porcelain, the blanks include the following raw materials in parts by mass: 35 parts of Longyan clay, 30 parts of Guangxi kaolin ore, 23 parts of flint, 9 parts of feldspar, 5 parts of talc, and 7 parts of dolomite.
[0031] The manufacturing method of the low-temperature semi-white porcelain includes the following steps:
[0032] Step 1: Put Longyan soil, Guangxi kaolin ore, flint, feldspar, talc and dolomite into a ball mill according to the stated raw material ratio, add water, and ball mill the raw materials for 30 hours. Among them, the balls, raw materials, and The mass ratio of the water is 2:1:0.6;
[0033] Step 2: Test the fineness of the ball-milled slurry, and the sieve residue is between 1.8% as the qualified fineness;
[0034] Step 3: Decrease the slurry for 15 minutes under vacuum conditions of -10000Pa to remove bubbles in the slurry;
[0035] Step 4: Use a high-magnetic rod to remove iron and impurities from the degassed slurry;
[0036]...
Embodiment 2
[0043] Low-temperature semi-white porcelain, its blanks include the following raw materials in parts by mass: 30 parts of Longyan clay, 25 parts of Guangxi kaolin ore, 20 parts of flint, 7 parts of feldspar, 2 parts of talc, and 5 parts of dolomite.
[0044] The manufacturing method of the low-temperature semi-white porcelain includes the following steps:
[0045] Step 1: Put Longyan soil, Guangxi kaolin ore, flint, feldspar, talc, and dolomite into a ball mill according to the raw material ratio, add water, and ball mill the raw materials for 24 hours. Among them, the balls, raw materials, and The mass ratio of the water is 2:1:0.6;
[0046] Step 2: Test the fineness of the ball-milled slurry, and the sieve residue is between 2% as the qualified fineness;
[0047] Step 3: Decrease the slurry for 15 minutes under vacuum conditions of -10000Pa to remove bubbles in the slurry;
[0048] Step 4: Use a high-magnetic rod to remove iron and impurities from the degassed slurry;
[0049] Step 5:...
Embodiment 3
[0056] Low-temperature semi-white porcelain, and its blanks include the following raw materials in parts by mass: 40 parts of Longyan clay, 35 parts of Guangxi kaolin ore, 28 parts of flint, 12 parts of feldspar, 9 parts of talc, and 10 parts of dolomite.
[0057] The manufacturing method of the low-temperature semi-white porcelain includes the following steps:
[0058] Step 1: Put Longyan soil, Guangxi kaolin ore, flint, feldspar, talc and dolomite into a ball mill according to the stated raw material ratio, add water, and ball mill the raw materials for 36 hours. Among them, the ball The mass ratio of the water is 2:1:0.6;
[0059] Step 2: Test the fineness of the ball-milled slurry, and the sieve residue is between 1.5% as the qualified fineness;
[0060] Step 3: Decrease the slurry for 15 minutes under vacuum conditions of -10000Pa to remove bubbles in the slurry;
[0061] Step 4: Use a high-magnetic rod to remove iron and impurities from the degassed slurry;
[0062] Step 5: The sl...
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