Adhesive for preparing iron powder ball using iron ore powder and its prepared ironpowder ball
A binder and iron ore powder technology, applied in the field of blast furnace ironmaking in the metallurgical industry, can solve problems such as increasing ironmaking costs, achieve good oxygen and heat permeability, high strength, and reduce energy consumption
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Embodiment 1
[0028] Embodiment 1 Get each component of binder by following parts by weight and mix uniformly to obtain iron ore powder binder:
[0029] 70 parts of water glass saturated solution
[0030] Aluminum Potassium Sulfate 8 parts
[0031] 12.5 parts of boron tetroxide
[0032] Sulfur 7.5 parts
[0033] Diffuser OP-10 0.4 parts
[0034] 20 parts of water
[0035] Take iron ore powder with iron content of 50% by weight, 92% iron ore powder and 8% binder, stir and mix the two, and use a ball press to press the mixture into a wet ball with a diameter of 3 to 6 cm. Dry the iron powder ball at room temperature to obtain a higher strength iron powder ball.
[0036] The specification is 35m 3 The hot air furnace is used as iron-making equipment to smelt the prepared iron powder balls. The iron powder balls are continuously put into the warm air furnace, and the temperature is gradually raised to the smelting temperature of 1700°C, and hydrogen and oxygen are blown into the furnace. ...
Embodiment 2
[0040] Embodiment 2 Get each component of binder by following parts by weight and mix uniformly to obtain iron ore powder binder:
[0041] 80 parts of water glass saturated solution
[0042] Aluminum Potassium Sulfate 8 parts
[0043] 12.5 parts of boron tetroxide
[0044] Sulfur 8.5 parts
[0045] Diffusion agent MF 0.4 parts
[0046] 25 parts of water
[0047] Take the iron ore powder with iron content of 63% by weight, 92.5% iron ore powder and 7.5% binder, stir and mix the two, and press the mixture into a wet ball with a ball diameter of 3 to 6 cm. Dry the iron powder ball at room temperature to obtain a higher strength iron powder ball.
[0048]The specification is 35m 3 The hot air furnace is used as iron-making equipment to smelt the prepared iron powder balls. The iron powder balls are continuously put into the warm air furnace, and the temperature is gradually raised to the smelting temperature of 1700°C, and hydrogen and oxygen are blown into the furnace. Afte...
Embodiment 3
[0049] Embodiment 3 Get each component of binder by following parts by weight and mix uniformly to obtain iron ore powder binder:
[0050] 80 parts of water glass saturated solution
[0051] Aluminum Potassium Sulfate 9 parts
[0052] Boron tetroxide 10 parts
[0053] Sulfur 7.5 parts
[0054] Diffusion agent Pingping plus O-10 0.5 parts
[0055] 25 parts of water
[0056] Get iron ore powder with iron content of 44% by weight, 92.5% iron ore powder by weight, and 7.5% binder to stir and mix the two, and use a ball press to press the mixture into a wet ball with a ball diameter within the range of 3 to 6 cm. Dry the iron powder ball at room temperature to obtain a higher strength iron powder ball.
[0057] The specification is 35m 3 The hot air furnace is used as iron-making equipment to smelt the prepared iron powder balls. The iron powder balls are continuously put into the warm air furnace, and the temperature is gradually raised to the smelting temperature of 1700°C,...
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