Method for improving compression forming rate of limestone mud cakes
A technology of pressing and forming limestone, which is applied in the field of steelmaking, can solve the problems of low utilization rate of converter sludge and ash, and achieve the effects of solving treatment costs, increasing pressing yield, and reducing dust emissions
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[0033] Example 1
[0034] The limestone mud cake used in this embodiment includes the following raw material components and parts by weight:
[0035]
[0036]
[0037] The method for increasing the compression molding rate of limestone mud cake in this embodiment includes the following steps:
[0038] Dry the limestone mud cake in the sun to reduce the moisture content of the mud cake, so that the mud cake changes from lumpy to powdery. During the drying process, add 5wt% quicklime to the limestone mud cake and mix it evenly; after drying, the moisture content is measured Is 8wt%;
[0039] Pile and digest the dried limestone mud cake to form a digestion material for 2 hours to form a digestion material;
[0040] The digestion material is crushed and stirred to form a mixture; during the crushing and stirring process, the binder water glass accounting for 5wt% of the digestion material is added in the form of spray; if required for crushing and stirring, appropriate water can be sprayed...
Example Embodiment
[0043] Example 2
[0044] The limestone mud cake used in this embodiment includes the following raw material components and parts by weight:
[0045]
[0046] The method for increasing the compression molding rate of limestone mud cake in this embodiment includes the following steps:
[0047] Dry the limestone mud cake in the sun to reduce the moisture content of the mud cake, so that the mud cake changes from lumpy to powdery. During the drying process, add 6wt% quicklime to the limestone mud cake and mix evenly; after drying, the moisture content is measured Is 10wt%;
[0048] Pile and digest the dried limestone mud cake to form a digestion material for 3 hours to form a digestion material;
[0049] The digestion material is crushed and stirred to form a mixture; during the crushing and stirring process, 6wt% of the binder water glass is added in the form of spray; if required for crushing and stirring, appropriate water can be sprayed to control the water content of the mixture to ...
Example Embodiment
[0052] Example 3
[0053] The limestone mud cake used in this embodiment includes the following raw material components and parts by weight:
[0054]
[0055]
[0056] The method for increasing the compression molding rate of limestone mud cake in this embodiment includes the following steps:
[0057] Dry the limestone mud cake in the sun to reduce the moisture content of the mud cake, so that the mud cake changes from lumpy to powdery. During the drying process, 7wt% quicklime is added to the limestone mud cake and stirred evenly; the moisture content is measured after drying. Is 6wt%;
[0058] Pile and digest the dried limestone mud cake to form a digestion material for 3 hours to form a digestion material;
[0059] The digestion material is crushed and stirred to form a mixture; during the crushing and stirring process, 8wt% of the binder water glass is added in the form of spray; if required for crushing and stirring, appropriate water can be sprayed to control the water content o...
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