Chloride-salt-containing protective agent with oxidation resistance for lead hath furnace
An anti-oxidation and chloride salt technology, applied in the field of alloys, can solve the problems of unstable performance and can not effectively prevent the volatilization of lead vapor, and achieve the effects of excellent volatilization resistance, improved surface quality, and high specific heat.
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Embodiment 1
[0019] A chloride-containing salt-containing protective agent for lead-bath furnaces with anti-oxidation performance at 490 degrees. By weight percentage, the chemical composition of the material is: NaCl: 10.5wt.%, BaCl 2 :4.8wt.%,MgCl 2 :2.1wt.%,AlCl 3 : 1.4wt.%, B 2 o 3 : 2.8wt.%, MnO: 1.4wt.%, the balance is CaO. Preparation method: Raw material NaCl, BaCl 2 , MgCl 2 , AlCl 3 , B 2 o 3 , the particle radii of MnO and CaO were kept below 0.5 mm. Put the raw materials weighed according to the above ratio in the mixer for uniform mixing. Due to BaCl 2 , MgCl 2 and CaO easily absorb moisture and CO in the air 2 , The mixing process must be carried out in a dry atmosphere, and the mixing time cannot be longer than 20 minutes. The salt-containing protective agent mixed evenly must be packaged in plastic bags.
[0020] The covering agent has a good application effect in the range of 480-580 degrees. Its characteristic is that it can melt by itself in this temperat...
Embodiment 2
[0023] A chloride-containing salt-containing protective agent for a lead bath furnace with anti-oxidation performance at 520 degrees by weight percentage. By weight percentage, the chemical composition of the material is: NaCl: 11.5wt.%, BaCl 2 :4.6wt.%, MgCl 2 :2.8wt.%,AlCl 3 : 2.5wt.%, B 2 o 3 : 3.2wt.%, MnO: 1.4wt.%, the balance is CaO. Preparation method: Raw material NaCl, BaCl 2 , MgCl 2 , AlCl 3 , B 2 o 3 , the particle radii of MnO and CaO were kept below 0.5mm. Put the raw materials weighed according to the above ratio in the mixer for uniform mixing. Due to BaCl 2 , MgCl 2 and CaO easily absorb moisture and CO in the air 2 , The mixing process must be carried out in a dry atmosphere, and the mixing time cannot be longer than 20 minutes. The salt-containing protective agent mixed evenly must be packaged in plastic bags.
[0024] The covering agent has a good application effect in the range of 480-580 degrees. Its characteristic is that it can melt by i...
Embodiment 3
[0027] A chloride-containing salt-containing protective agent for lead-bath furnaces with anti-oxidation performance at 540 degrees. By weight percentage. By weight percentage, the chemical composition of the material is: NaCl: 11.5wt.%, BaCl 2 :4.2wt.%, MgCl 2 :2.5wt.%,AlCl 3 : 1.6wt.%, B 2 o 3 : 3.0wt.%, MnO: 1.5wt.%, the balance is CaO. Preparation method: Raw material NaCl, BaCl 2 , MgCl 2 , AlCl 3 , B 2 o 3 , the particle radii of MnO and CaO were kept below 0.5mm. Put the raw materials weighed according to the above ratio in the mixer for uniform mixing. Due to BaCl 2 , MgCl 2 and CaO easily absorb moisture and CO in the air 2 , The mixing process must be carried out in a dry atmosphere, and the mixing time cannot be longer than 20 minutes. The salt-containing protective agent mixed evenly must be packaged in plastic bags.
[0028] The covering agent has a good application effect in the range of 480-580 degrees. Its characteristic is that it can melt by ...
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