Method for preparing foam ceramic by using industrial and mining, building and sludge residue as raw materials
A technology of foam ceramics and sludge, which is applied in the production of ceramic products, ceramic materials, clay products, etc., can solve the hidden dangers of secondary pollution, waste of urban resources, resource depletion and other problems, achieve high compressive strength, improve efficiency, reduce The effect of urban energy consumption
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Embodiment 1
[0025] This embodiment provides a method for preparing foamed ceramics from industrial and mining, construction, and sludge waste residues. The method includes the following steps:
[0026] a. Preparation of protein foaming agent: transport the sludge with a moisture content of 80% to the long-tube tunnel hydrothermal wall breaking machine, and add 2% potassium ferrate, and pass the sludge under the temperature control condition of 70°C. The long-tube tunnel hydrothermal wall breaking machine is left to stand for 30 minutes to pyrolyze and break the wall. After pyrolysis and breaking the wall, the protein wrapped in the cell wall of the organic matter in the sludge is collected, and then the polypeptide protein liquid foaming agent with high surface activity is obtained through solid-liquid separation. , the remaining sludge filter cake is collected for use;
[0027] b. Preparation of foam slurry: put industrial and mining, construction, and sludge waste into a horizontal ball...
Embodiment 2
[0032] This embodiment provides a method for preparing foamed ceramics from industrial and mining, construction, and sludge waste residues. The method includes the following steps:
[0033] a. Preparation of protein foaming agent: transport the sludge with a moisture content of 90% to the long-tube tunnel hydrothermal wall breaking machine, and add 6% potassium ferrate, and pass the sludge under the temperature control condition of 75°C The long-tube tunnel hydrothermal wall breaking machine was left standing for 45 minutes to pyrolyze and break the wall. After pyrolysis and breaking the wall, the protein wrapped in the cell wall of the organic matter in the sludge was collected, and then the polypeptide protein liquid foaming agent with high surface activity was obtained through solid-liquid separation. , the remaining sludge filter cake is collected for use;
[0034] b. Preparation of foam slurry: put industrial and mining, construction, and sludge waste into a horizontal ba...
Embodiment 3
[0039] This embodiment provides a method for preparing foamed ceramics from industrial and mining, construction, and sludge waste residues. The method includes the following steps:
[0040] a. Preparation of protein foaming agent: transport the sludge with a moisture content of 95% to the long-tube tunnel hydrothermal wall breaking machine, and add 10% of potassium ferrate, and pass the sludge under the temperature control condition of 80°C. The long-tube tunnel hydrothermal wall breaking machine was left standing for 60 minutes to pyrolyze and break the wall. After pyrolysis and breaking the wall, the protein wrapped in the cell wall of the organic matter in the sludge was collected, and then the polypeptide protein liquid foaming agent with high surface activity was obtained through solid-liquid separation. , the remaining sludge filter cake is collected for use;
[0041] b. Preparation of foam slurry: put industrial and mining, construction, and sludge waste into a horizont...
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