Slag pot in steel mills produced by heatproof cast iron and production method thereof
A technology of heat-resistant cast iron and slag pots, which is applied in the field of slag pots for cast iron production. It can solve the problems that the slag pots cannot be filled with slag, and are prone to cracks and cracks, so as to save production costs, reduce the number of replacements, and prolong the service life. Effect
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[0018] Example 1
[0019] Such as figure 1 , 2 As shown in and 3, a steel mill slag tank produced with heat-resistant cast iron includes a tank body 1. The tank body 1 is heat-resistant cast iron and is composed of the following components by weight percentage: C: 3.4%; Si: 1.8 %; Mn: 0.80%; Cr: 2.0%; Mo: 0.60%; P<0.03%; S: 0.08%; Re: 0.03%, the balance iron.
[0020] The tank body is also provided with lifting lugs 2, which are cast in carbon steel; the lifting lugs 2 are composed of the following components by weight percentage: C: 0.22%; Si: 0.35%; Mn: 0.55%; P<0.035%; S:<0.035%, the balance is iron, the tensile strength of the lug is 550MPa, the yield strength is 345MPa, and the elongation is 40%.
[0021] In addition, the bottom of the tank body 1 is provided with a slag tank support 3.
[0022] The preparation method is specifically as follows:
[0023] The mould of slag filling is made of solid wood samples of Northeast pine. Modeling material: furan resin sand. The proportion ...
Example Embodiment
[0041] Example 2
[0042] Such as figure 1 with 2 As shown, a steel mill slag tank produced with heat-resistant cast iron includes a tank body 1. The tank body 1 is heat-resistant cast iron and consists of the following components by weight percentage: C: 3.6%; Si: 2.2%; Mn: 0.6%; Cr: 2.2%; Mo: 0.35%; P<0.03%; S: 0.1%; Re: 0.02%, the balance iron.
[0043] The tank body is also provided with lifting lugs 2, which are cast in carbon steel; the lifting lugs 2 are composed of the following components by weight percentage: C: 0.18%; Si: 0.45%; Mn: 0.3%; P<0.035%; S:<0.035%, the balance is iron.
[0044] In addition, the bottom of the tank body 1 is provided with a slag tank support 3.
[0045] The preparation method is specifically as follows:
[0046] The mold of slag filling is made of solid wood samples of Northeast pine. Modeling material: furan resin sand. The proportion of each addition is furan resin: curing agent: sand = 1.3:0.78:100. The tensile strength of resin sand after 6 hou...
Example Embodiment
[0055] Example 3
[0056] Such as figure 1 with 2 As shown, a steel mill slag tank produced with heat-resistant cast iron includes a tank body 1. The tank body 1 is heat-resistant cast iron and consists of the following components by weight percentage: C: 3.5%; Si: 2.0%; Mn: 0.7%; Cr: 2.1%; Mo: 0.5%; P<0.03%; S: 0.09%; Re: 0.025%, the balance is iron.
[0057] The tank body is also provided with lifting lugs 2, which are cast by carbon steel; the lifting lugs 2 are composed of the following components by weight percentage: C: 0.2%; Si: 0.4%; Mn: 0.45%; P<0.035%; S:<0.035%, the balance is iron.
[0058] In addition, the bottom of the tank body 1 is provided with a slag tank support 3.
[0059] The preparation method is specifically as follows:
[0060] The mold of slag filling is made of solid wood samples of Northeast pine. Modeling material: furan resin sand. The proportion of each addition is furan resin: curing agent: sand = 1.3:0.78:100. The tensile strength of resin sand after 6 ...
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