Laying method of blast-furnace bottom for guiding furnace bottom to be in shape of pot bottom
A blast furnace and masonry technology, applied in blast furnace, blast furnace details, blast furnace parts and other directions, can solve problems such as business difficulties, carbon brick erosion, economic losses, etc., to achieve fast construction, prolong furnace service life, and improve construction speed. Effect
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[0017] The specific embodiment of the present invention is further described below in conjunction with accompanying drawing:
[0018] like figure 1
[0019] A blast furnace bottom masonry method for guiding the furnace bottom into a pot bottom shape, comprising the following steps:
[0020] 1) When building the ceramic brick layer at the bottom of the furnace, leave a circular groove with a diameter of 3750-4200mm in the center of the ceramic brick layer at the bottom of the furnace;
[0021] 2) Arrange the mold in the circular groove, and pour the refractory clay pouring material in the mold. There is a gap of 10 mm to 12 mm between the cast body and the surrounding ceramic bricks after pouring. The upper surface of the cast body is level with the ceramic bricks, and the height error between the two <2mm;
[0022] 3) Fill the gap with ceramic bulk material and compact it, requiring a compression rate of not less than 40%;
[0023] 4) After the pouring construction is comp...
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