High-heat-conductivity long-life blast furnace hearth and brick lining building method
A long-life blast furnace technology, applied in blast furnace, blast furnace details, blast furnace parts and other directions, can solve problems such as hindering heat transfer, shortening hearth life, exceeding safe service temperature, etc., achieving huge economic and social benefits, construction and Equipment cost savings and overall longevity effect
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[0049] Example 1
[0050] See image 3 , A high thermal conductivity and long-life blast furnace hearth, suitable for blast furnaces with a deep dead iron layer design, which includes a furnace shell 1, a cooling wall 2, and a brick lining arranged in sequence from the outside to the inside;
[0051] In the lower part of the hearth, the lower middle of the hearth, the middle of the hearth, the upper middle of the hearth, and the upper part of the hearth, the brick lining includes small carbon bricks 3, carbon ramming material layer 4, and large carbon bricks 5 arranged in sequence;
[0052] On the top of the hearth, the brick lining is made of several small carbon bricks 3;
[0053] Among them, the size of all small carbon bricks 3 is: length 300mm, width 150mm, height 150mm; in the lower part of the hearth, the small carbon bricks 3 are laid 3 times along the circumference of the hearth, and a total of 3 layers are built, and the carbon ramming material layer The thickness of 4 is 50...
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[0062] Example 2
[0063] See Figure 4 , A high thermal conductivity and long-life blast furnace hearth, suitable for blast furnaces with a shallow dead iron layer design, which includes a furnace shell 1, a cooling wall 2, and a brick lining arranged in sequence from the outside to the inside;
[0064] In the lower part of the hearth, the lower middle of the hearth, the middle of the hearth, the upper middle of the hearth, and the upper part of the hearth, the brick lining includes small carbon bricks 3, carbon ramming material layer 4, and large carbon bricks 5 in sequence;
[0065] On the top of the hearth, the brick lining is made of several small carbon bricks 3;
[0066] Among them, the size of all small carbon bricks 3 is: length 300mm, width 150mm, height 150mm; in the lower part of the hearth, the lower middle of the hearth, the middle of the hearth and the upper middle of the hearth, the small carbon bricks 3 are built along the circumference of the hearth. 1 circle, total...
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