Carbonization apparatus for producing activated carbon

Abstract

The present invention seeks to provide a carbonization apparatus for producing activated carbon capable of retrieving heat contained in spent exhaust gas discharged from a deodorizing furnace to reuse the exhaust heat, consequently to produce activated carbon of high quality at a low cost. The carboniztion apparatus 10 for producing activated carbon by subjecting an organic waste material to be treated comprises a carbonization furnace 40 for drying waste material to be treated with overheated steam and discharging spent steam which is no longer required, a drying furnace 30 for drying the waste material with the steam introduced from the carbonization furnace and discharging the spent steam, a high-temperature steam generator 60 for generating, from the steam introduced therein, the overheated steam to be fed to said carbonization furnace 40, a deodorizing furnace 70 for deodorizing impurities contained in the spent steam discharged from the drying furnace 30 by heating the steam and discharging the steam reaching a high temperature, and a waste heat boiler 80 for generating steam from water heated with the high-temperature steam discharged from the deodorizing furnace 70 and supplying the steam to the high-temperature steam generator 60.

1 - 12 . (canceled)  
   
   
       13 . A carbonization apparatus for producing activated carbon by subjecting an organic waste material to be treated such as raw garbage, wood debris, meat-and-bone meal, waste clothes and plastic wastage to carbonization treatment including heating, drying, dry distillation and activation processes using steam, which apparatus comprises: 
 a drying carbonization furnace for drying said waste material by heat transmission caused by bringing said waste material into direct contact with overheated steam introduced thereinto to carbonize said waste material and discharging spent steam which is no longer required,    a high-temperature steam generator for generating, from the steam introduced therein, the overheated steam to be fed to said drying carbonization furnace,    a deodorizing furnace for deodorizing impurities contained in the spent steam discharged from said drying carbonization furnace by heating the steam and discharging the steam reaching a high temperature, and    a waste heat boiler for generating steam from water heated with the high-temperature steam discharged from said deodorizing furnace.    
   
   
       14 . The carbonization apparatus for producing activated carbon set forth in  claim 13 , wherein said drying furnace, carbonization furnace, drying carbonization furnace or carbonization accelerating furnace is provided with a cylinder shell having a waste intake port for introducing waste material to be treated, a cylinder part for stirring and moving the waste material, an exhaust port for discharging the waste material, and a steam inlet port for introducing overheated steam or spent steam tangentially from the outside of said cylinder part to the inside of said cylinder part, and rotatable stirring blades for stirring and moving the waste material in said cylinder shell.  
   
   
       15 . The carbonization apparatus for producing activated carbon set forth in  claim 14 , wherein said steam inlet port is formed to introduce the overheated steam or spent steam in the same direction tangent to the inner surface of said cylinder as the rotation direction of said stirring blades.  
   
   
       16 . The carbonization apparatus for producing activated carbon set forth in  claim 15 , wherein said cylinder shell is provided with a plurality of steam inlet ports.  
   
   
       17 . The carbonization apparatus for producing activated carbon set forth in  claim 16 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       18 . The carbonization apparatus for producing activated carbon set forth in  claim 17 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       19 . The carbonization apparatus for producing activated carbon set forth in  claim 16 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       20 . The carbonization apparatus for producing activated carbon set forth in  claim 15 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       21 . The carbonization apparatus for producing activated carbon set forth in  claim 20 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       22 . The carbonization apparatus for producing activated carbon set forth in  claim 15 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       23 . The carbonization apparatus for producing activated carbon set forth in  claim 14 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       24 . The carbonization apparatus for producing activated carbon set forth in  claim 23 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       25 . The carbonization apparatus for producing activated carbon set forth in  claim 14 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       26 . The carbonization apparatus for producing activated carbon set forth in  claim 13 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       27 . A carbonization apparatus for producing activated carbon by subjecting an organic waste material to be treated such as raw garbage, wood debris, meat-and-bone meal, waste clothes and plastic wastage to carbonization treatment including heating, drying, dry distillation and activation processes using steam, which apparatus comprises: 
 a carbonization furnace for carbonizing waste material by heat transmission caused by bringing said waste material into direct contact with overheated steam introduced thereinto and discharging spent steam which is no longer required,    a drying carbonization furnace for drying said waste material by heat transmission caused by bringing said waste material into direct contact with the overheated steam introduced thereinto to dry said waste material and discharging spent steam,    a high-temperature steam generator for generating, from the steam introduced therein, the overheated steam to be fed to said carbonization furnace,    a deodorizing furnace for deodorizing impurities contained in the spent steam discharged from said drying furnace by heating the steam and discharging the steam reaching a high temperature, and    a waste heat boiler for generating steam from water heated with the high-temperature steam discharged from said deodorizing furnace.    
   
   
       28 . The carbonization apparatus for producing activated carbon set forth in  claim 27 , wherein said drying furnace, carbonization furnace, drying carbonization furnace or carbonization accelerating furnace is provided with a cylinder shell having a waste intake port for introducing waste material to be treated, a cylinder part for stirring and moving the waste material, an exhaust port for discharging the waste material, and a steam inlet port for introducing overheated steam or spent steam tangentially from the outside of said cylinder part to the inside of said cylinder part, and rotatable stirring blades for stirring and moving the waste material in said cylinder shell.  
   
   
       29 . The carbonization apparatus for producing activated carbon set forth in  claim 28 , wherein said steam inlet port is formed to introduce the overheated steam or spent steam in the same direction tangent to the inner surface of said cylinder as the rotation direction of said stirring blades.  
   
   
       30 . The carbonization apparatus for producing activated carbon set forth in  claim 29 , wherein said cylinder shell is provided with a plurality of steam inlet ports.  
   
   
       31 . The carbonization apparatus for producing activated carbon set forth in  claim 30 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       32 . The carbonization apparatus for producing activated carbon set forth in  31 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       33 . The carbonization apparatus for producing activated carbon set forth in  30 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       34 . The carbonization apparatus for producing activated carbon set forth in  claim 29 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       35 . The carbonization apparatus for producing activated carbon set forth in  34 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       36 . The carbonization apparatus for producing activated carbon set forth in  29 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       37 . The carbonization apparatus for producing activated carbon set forth in  claim 28 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       38 . The carbonization apparatus for producing activated carbon set forth in  37 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       39 . The carbonization apparatus for producing activated carbon set forth in  claim 28 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       40 . The carbonization apparatus for producing activated carbon set forth in  claim 27 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       41 . A carbonization apparatus for producing activated carbon by subjecting an organic waste material to be treated such as raw garbage, wood debris, meat-and-bone meal, waste clothes and plastic wastage to carbonization treatment including heating, drying, dry distillation and activation processes using steam, which apparatus comprises: 
 a carbonization accelerating furnace for accelerating carbonization of waste material to be treated by heat transmission caused by bringing said waste material into direct contact with the overheated steam introduced thereinto and discharging spent steam which is no longer required,    a carbonization furnace for carbonizing the waste material by heat transmission caused by bringing said waste material into direct contact with the overheated steam introduced thereinto and discharging the spent steam,    a drying furnace for drying the waste material by heat transmission caused by bringing said waste material into direct contact with the overheated steam introduced thereinto and discharging the spent steam,    a high-temperature steam generator for generating, from the steam introduced therein, the overheated steam to be fed to said carbonization furnace,    a deodorizing furnace for deodorizing impurities contained in the spent steam discharged from said drying furnace by heating the steam and discharging the steam reaching a high temperature, and    a waste heat boiler for generating steam from water heated with the high-temperature steam discharged from said deodorizing furnace.    
   
   
       42 . The carbonization apparatus for producing activated carbon set forth in  claim 41 , wherein said drying furnace, carbonization furnace, drying carbonization furnace or carbonization accelerating furnace is provided with a cylinder shell having a waste intake port for introducing waste material to be treated, a cylinder part for stirring and moving the waste material, an exhaust port for discharging the waste material, and a steam inlet port for introducing overheated steam or spent steam tangentially from the outside of said cylinder part to the inside of said cylinder part, and rotatable stirring blades for stirring and moving the waste material in said cylinder shell.  
   
   
       43 . The carbonization apparatus for producing activated carbon set forth in  claim 42 , wherein said steam inlet port is formed to introduce the overheated steam or spent steam in the same direction tangent to the inner surface of said cylinder as the rotation direction of said stirring blades.  
   
   
       44 . The carbonization apparatus for producing activated carbon set forth in  claim 43 , wherein said cylinder shell is provided with a plurality of steam inlet ports.  
   
   
       45 . The carbonization apparatus for producing activated carbon set forth in  claim 44 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       46 . The carbonization apparatus for producing activated carbon set forth in  claim 45 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       47 . The carbonization apparatus for producing activated carbon set forth in  claim 44 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       48 . The carbonization apparatus for producing activated carbon set forth in  claim 43 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       49 . The carbonization apparatus for producing activated carbon set forth in  claim 48 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       50 . The carbonization apparatus for producing activated carbon set forth in  claim 43 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       51 . The carbonization apparatus for producing activated carbon set forth in  claim 42 , wherein said cylinder shell is provided with a steam discharge port from which the spent steam after heating the waste material in said cylinder shell is discharged in the direction tangent to the inner surface of said cylinder part from the inside of said cylinder part to the outside of said cylinder part.  
   
   
       52 . The carbonization apparatus for producing activated carbon set forth in  claim 51 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       53 . The carbonization apparatus for producing activated carbon set forth in  claim 42 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).  
   
   
       54 . The carbonization apparatus for producing activated carbon set forth in  claim 41 , further comprising a pressure regulation means or restriction means for adjusting the overheated steam or spent steam to be fed to said drying carbonization furnace or carbonization accelerating furnace to 5 to 20(m/s).