Novel slag melting agent, preparation method and application of novel slag melting agent in preparation of high-purity hypereutectic niobium-chromium-containing 28 cast iron
A slag agent and a new type of technology are applied in the application field of preparing high-purity hypereutectic niobium-chromium-containing 28 cast iron, which can solve the problems of poor effect of reducing oxygen and hydrogen content, and achieve improved fluidity, strong adsorption force and cationic Exchangeability, the effect of increasing the Rockwell hardness value
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[0034] The preparation method of described novel slag agent, comprises the following steps:
[0035] 1) In parts by weight, add perlite powder, aluminum powder, montmorillonite powder, fluorspar powder, talc powder, passivated lime powder, magnesium carbonate powder, medical stone powder, and quartz powder into the mixer, at a temperature of 45-50 °C, stirring at a speed of 200-300r / min for 0.8-1.2h to prepare slurry a;
[0036] 2) Add squash gum and water to the slurry a prepared in step 1), and stir for 0.4-0.6h at a temperature of 42-46°C and a rotation speed of 200-300r / min to prepare slurry b;
[0037] 3) adding the slurry b prepared in step 2) into the mould, and forming particles with a particle size of 1-1.5 cm after vacuum suction filtration;
[0038] 4) Send the granules prepared in step 3) into an oven, and dry at 92-95° C. for 7-8 hours to prepare a new type of slag agent.
[0039] The principle and characteristics of the new slag agent composition of the present...
Embodiment 1
[0051] A new type of slag agent, in parts by weight, comprising the following raw materials: 10 parts of perlite powder, 3 parts of aluminum powder, 15 parts of montmorillonite powder, 3 parts of fluorspar powder, 11 parts of talcum powder, 4 parts of passivated lime powder , 6 parts of magnesium carbonate powder, 5 parts of medical stone powder, 2 parts of quartz powder, 3 parts of kale gum, 20 parts of water;
[0052] The particle size of described perlite powder is 800 orders;
[0053] The particle size of the aluminum powder is 900 mesh;
[0054] The quality index of described montmorillonite powder is: SiO 2 : 68.97%, the particle size is 900 mesh;
[0055] The quality index of described fluorspar powder is: CaF 2 : 75.86%, particle size is 800 mesh;
[0056] The quality index of described talcum powder is: SiO 2 : 61.05%, the particle size is 900 mesh;
[0057] The quality index of the passivated lime raw material is: CaO: 94.12%; S: 0.04%;
[0058] The particle s...
Embodiment 2
[0069] A new type of slag agent, in parts by weight, comprising the following raw materials: 9 parts of perlite powder, 3 parts of aluminum powder, 15 parts of montmorillonite powder, 4 parts of fluorspar powder, 12 parts of talcum powder, 5 parts of passivated lime powder , 7 parts of magnesium carbonate powder, 5 parts of medical stone powder, 3 parts of quartz powder, 3.4 parts of kale gum, 21 parts of water;
[0070] The particle size of described perlite powder is 900 orders;
[0071] The particle size of the aluminum powder is 1000 mesh;
[0072] The quality index of described montmorillonite powder is: SiO 2 : 69.13%, the particle size is 900 mesh;
[0073] The quality index of described fluorspar powder is: CaF 2 : 77.32%, particle size is 900 mesh;
[0074] The quality index of described talcum powder is: SiO 2 : 62.03%, the particle size is 900 mesh;
[0075] The quality index of the passivated lime raw material is: CaO: 93.62%; S: 0.03%;
[0076] The particle...
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