Bottom blowing reduction device and reduction method using device
A horizontal direction, furnace body technology, applied in the field of bottom blowing reduction device, can solve the problems of inability to improve reduction efficiency, oxygen content powder particle size control and energy consumption, push rod power and boat stress enhancement, low production efficiency, etc. problems, to avoid scale increase and agglomeration effect, shorten the temperature zone and furnace body length, and solve the effect of low production efficiency
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[0055] The furnace body 1 of the device is arranged laterally, and the included angle with the horizontal direction is 15°. The length of the heating zone is 6 meters, divided into 5 temperature zones, the length of each temperature zone is 1.2 meters, and the temperature is set at 480-510-540-550-530°C. The furnace chamber width is 220 mm, and the gas chamber 11 has a height of 20 mm. The porous plate 13 is made of molybdenum metal, and the diameter of the through holes is about 20 microns.
[0056] Molybdenum trioxide is added from the silo of the feed port 2, and enters the material chamber 12 through the flow controller and the material leveler. The feeding speed is 150g / min, the material thickness in the material chamber 12 is 2.5mm, and the reduction time is 6.5 hours. During the reduction process, hydrogen gas is introduced to keep the positive pressure in the gas chamber 11 at 0.05 MPa. After the reduction is complete, the product enters the cooling section and is c...
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