Separation type metallurgical reduction method and apparatus thereof

Abstract

A separation type metallurgical reduction method and an apparatus thereof. The separation type metallurgical reduction apparatus includes a reduction furnace and a multistage cooling device. By means of the separation type metallurgical reduction apparatus, the metallurgical reduction/smelting process and the cooling process are separately performed in different spaces at the same time to improve the operation of the conventional metallurgical reduction furnace within which the smelting process and the cooling process are totally limitedly performed. Accordingly, the shortcomings of too long waiting time, waste of great amount of energy and low yield rate that exist in the conventional metallurgical reduction furnace can be eliminated.

1 . A separation type metallurgical reduction apparatus comprising:
 a reduction furnace having an internal space, a material dropping passage extending from outer side of the reduction furnace into the internal space and a material release passage extending from the internal space to outer side of the reduction furnace, the internal space serving to receive a material to be reduced and provide a high temperature, for reducing the material to be reduced; and   a cooling device disposed on one side of the reduction furnace and connected with the material release passage that extends into an internal space of the cooling device, the material release passage being provided with a material release gate for controlling unblocking/blocking of the material release passage.   
     
     
         2 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein the cooling device at least includes a load chamber in which at least one carrier device can be positioned in alignment with the material release passage for accepting a reduction product released from the material release passage, the load chamber being at least provided with a load gate through which the carrier device can be conveyed into the load chamber. 
     
     
         3 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein the cooling device further includes a preheating chamber in connection with one of the load gates of the load chamber and in communication with the load chamber through the load gate, whereby the carrier device can pass through the load gate between the load chamber and the preheating chamber. 
     
     
         4 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein the cooling device further includes a cooling chamber in connection with one of the load gates of the load chamber and in communication with the load chamber through the load gate, whereby the carrier device can pass through the load gate between the load chamber and the cooling chamber. 
     
     
         5 . The separation type metallurgical reduction apparatus as claimed in  claim 3 , wherein the cooling device further includes a cooling chamber in connection with one of the load gates of the load chamber and in communication with the load chamber through the load gate, whereby the carrier device can pass through the load gate between the load chamber and the cooling chamber. 
     
     
         6 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein a material dropping device is disposed above the reduction furnace for receiving the material to be dropped into the reduction furnace and reduced, the material dropping passage being arranged between the material dropping device and the reduction furnace, the material dropping device having an internal space in communication with the internal space of the reduction furnace through the material dropping passage, a material dropping gate being disposed in the material dropping passage for controlling unblocking/blocking of the material dropping passage. 
     
     
         7 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein a material dropping device is disposed above the reduction furnace for receiving the material to be dropped into the reduction furnace and reduced, the material dropping passage being arranged between the material dropping device and the reduction furnace, the material dropping device having an internal space in communication with the internal space of the reduction furnace through the material dropping passage, material dropping gate being disposed in the material dropping passage for controlling unblocking/blocking of the material dropping passage. 
     
     
         8 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein a reduction pot is disposed in the reduction furnace for receiving the material to be reduced. 
     
     
         9 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein a reduction pot is disposed in the reduction furnace for receiving the material to be reduced. 
     
     
         10 . The separation type metallurgical reduction apparatus as claimed in  claim 6 , wherein a reduction pot is disposed in the reduction furnace for receiving the material to be reduced. 
     
     
         11 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein at least one heating device is disposed in the reduction furnace for heating the internal space of the reduction furnace. 
     
     
         12 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein at least one heating device is disposed in the reduction furnace for heating the internal space of the reduction furnace. 
     
     
         13 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein a conveying device is disposed in the cooling device for conveying at least one carrier device. 
     
     
         14 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein a conveying device is disposed in the cooling device for conveying at least one carrier device. 
     
     
         15 . The separation type metallurgical reduction apparatus as claimed in  claim 6 , wherein a conveying device is disposed in the cooling device for conveying at least one carrier device. 
     
     
         16 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein the reduction furnace has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the reduction furnace. 
     
     
         17 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein the reduction furnace has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the reduction furnace. 
     
     
         18 . The separation type metallurgical reduction apparatus as claimed in  claim 6 , wherein the reduction furnace has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the reduction furnace. 
     
     
         19 . The separation type metallurgical reduction apparatus as claimed in  claim 13 , wherein the reduction furnace has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the reduction furnace. 
     
     
         20 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein a cooling fan or a circulation cooling device is disposed in the cooling device for speeding cooling process. 
     
     
         21 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein a cooling fan or a circulation cooling device is disposed in the cooling device for speeding cooling process. 
     
     
         22 . The separation type metallurgical reduction apparatus as claimed in  claim 6 , wherein a cooling fan or a circulation cooling device is disposed in the cooling device for speeding cooling process. 
     
     
         23 . The separation type metallurgical reduction apparatus as claimed in  claim 13 , wherein a cooling fan or a circulation cooling device is disposed in the cooling device for speeding cooling process. 
     
     
         24 . The separation type metallurgical reduction apparatus as claimed in  claim 1 , wherein the cooling device has an inner wall and an outer wall a heat insulation device being disposed between the inner and outer walls of the cooling device. 
     
     
         25 . The separation type metallurgical reduction apparatus as claimed in  claim 2 , wherein the cooling device has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the cooling device. 
     
     
         26 . The separation type metallurgical reduction apparatus as claimed in  claim 6 , wherein the cooling device has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the cooling device. 
     
     
         27 . The separation type metallurgical reduction apparatus as claimed in  claim 13 , wherein the cooling device has an inner wall and an outer wall, a heat insulation device being disposed between the inner and outer walls of the cooling device. 
     
     
         28 . A separation type metallurgical reduction method comprising steps of:
 (1) dropping a material to be reduced into a reduction furnace for reduction;   (2) moving a reduction product from the reduction furnace into a closed cooling device, which is separable from the reduction furnace and isolated from outer side;   (3) separating the reduction furnace from the cooling device;   (4) dropping another crop of material to be reduced into the reduction furnace for reduction and simultaneously cooling the reduction product in the cooling device; and   (5) moving the cooled reduction product out of the cooling device.   
     
     
         29 . The separation type metallurgical reduction method as claimed in  claim 28 , wherein in step (1), when reduced, the material in the reduction furnace is blended to speed reduction process. 
     
     
         30 . The separation type metallurgical reduction method as claimed in  claim 28 , wherein in step (2), the reduction product is first moved from the reduction furnace into a load chamber and after the reduction furnace is separated from the cooling device, the reduction product is moved from the load chamber into a cooling chamber for cooling. 
     
     
         31 . The separation type metallurgical reduction method as claimed in  claim 28 , wherein in step (2), the cooling device includes a preheating chamber, a carrier device being conveyed from the preheating chamber into the load chamber, after the load chamber is closed and isolated from outer side, the reduction product being moved into the carrier device in the closed load chamber. 
     
     
         32 . The separation type metallurgical reduction method as claimed in  claim 30 , wherein in step (2), the cooling device includes a preheating chamber, a carrier device being conveyed from the preheating chamber into the load chamber, after the load chamber is closed and isolated from outer side, the reduction product being moved into the carrier device in the closed load chamber. 
     
     
         33 . The separation type metallurgical reduction method as claimed in  claim 28 , wherein in step (4), a cooling fan or a circulation cooling device is disposed in the cooling device for speeding cooling process. 
     
     
         34 . The separation type metallurgical reduction method as claimed in  claim 30 , wherein in step (4), a cooling fan or a circulation cooling device is disposed in the cooling device for speeding cooling process. 
     
     
         35 . The separation type metallurgical reduction method as claimed in  claim 28 , wherein in step (4), an inert gas is released into the cooling device to keep the reduction product in a stable state. 
     
     
         36 . The separation type metallurgical reduction method as claimed in  claim 30 , wherein in step (4), an inert gas is released into the cooling device to keep the reduction product in a stable state. 
     
     
         37 . The separation type metallurgical reduction method as claimed in  claim 31 , wherein in step (4), an inert gas is released into the cooling device to keep the reduction product in a stable state. 
     
     
         38 . The separation type metallurgical reduction method as claimed in  claim 28 , wherein at least one of steps (1) to (4) is performed in a clean or vacuum condition. 
     
     
         39 . The separation type metallurgical reduction method as claimed in  claim 31 , wherein the step of moving the reduction product from the reduction furnace into the carrier device in the closed load chamber is performed in a clean or vacuum condition. 
     
     
         40 . The separation type metallurgical reduction method as claimed in  claim 35 , wherein the steps are performed in a clean or vacuum condition.