Channel pool bottom structure of rolled glass kiln
A glass furnace and channel technology, applied in glass furnace equipment, glass manufacturing equipment, manufacturing tools, etc., can solve the problems of uneven lateral temperature distribution, poor fluidity of glass liquid, low-temperature dead glass, etc., and achieve uniform lateral temperature distribution, The effect of reducing the residence time and reducing the lateral temperature difference
Inactive Publication Date: 2020-08-14
彩虹(延安)新能源有限公司
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Problems solved by technology
Existing calendered glass furnaces mostly adopt a flat-bottom structure, and vertical pool wall bricks are installed at the exit of the channel. This kind of structure has poor fluidity of glass liquid and uneven lateral temperature distribution. It is easy to form low-temperature dead glass, which will form streaks and bubbles when brought into the forming part Belt, thickness difference and other defects
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[0022] There are four layers at the bottom of the pool. Clay bricks 1 are used for the first and second layers to play a supporting role. The thickness of the first layer is 290mm, which basically matches the thickness of the first layer of clay bricks in the cooling section. The thickness of the second layer is 170mm. ; The third layer uses corundum ramming material 2, the thickness is 25mm, and 25mm can basically realize the sealing effect; the fourth layer uses αβ corundum brick 3, and the thickness is about 75mm. Set climbing bricks at the exit of the channel, set steps on top of the big clay brick 1 to prevent air leakage, set climbing bricks 1 4 and 2 5 on the steps, climbing brick 1 4 is made of clay, and climbing bricks 25 Use αβ corundum, choose 35 degrees for slope α, and choose 550mm for the distance h that the climbing brick raises the glass liquid. Tail brick 6 is set close to climbing brick two 5 on climbing brick one 4.
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Abstract
The invention discloses a channel pool bottom structure of a rolled glass kiln. The channel pool bottom structure comprises a horizontally-arranged large clay brick, a layer of corundum ramming mass is arranged on the upper surface of the large clay brick, an alpha-beta corundum brick is arranged above the corundum ramming mass, a step is arranged above the large clay brick, a first climbing brickand a second climbing brick are arranged on the step, the first climbing brick is located on the lower side of the second climbing brick, and the first climbing brick and the second climbing brick are arranged in an attached mode. According to the invention, the molten glass flow can be smoothly transited, the retention time of the molten glass is reduced, dead glass is prevented from being formed, and the molten glass with uniform temperature distribution and stable flow is provided for calendaring forming.
Description
technical field [0001] The invention relates to the technical field of glass kilns, in particular to a channel pool bottom structure of a rolled glass kiln. Background technique [0002] In the rolling glass furnace, the molten glass flows out from the channel into the calender for forming. It is required that the molten glass in the channel cool down stably, the temperature distribution is uniform, the flow is stable, and the molten glass with uniform composition, less defects, and meeting the forming requirements is required. Existing calendered glass furnaces mostly adopt a flat-bottom structure, and vertical pool wall bricks are installed at the exit of the channel. This kind of structure has poor fluidity of glass liquid and uneven lateral temperature distribution. It is easy to form low-temperature dead glass, which will form streaks and bubbles when brought into the forming part Belt, thickness difference and other defects. Contents of the invention [0003] In ord...
Claims
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IPC IPC(8): C03B5/26C03B5/43
CPCC03B5/262C03B5/43
Inventor 张文斌张健赵龙旭杨波
Owner 彩虹(延安)新能源有限公司