Continuous steam pyrolysis apparatus and pyrolysis furnace therefor

Abstract

A continuous steam pyrolysis device and a pyrolysis furnace therefor are provided. The device comprises a heat generator, a combustion chamber and a superheated steam generator. The combustion chamber comprises a reaction chamber with a charge opening and a discharge opening, and one or more axial transporting structures installed in the reaction chamber, wherein each transporting structure has a central axis and comprises one or more proceeding zones and one or more blending zones. The total length of the blending zones along the central axis direction ranges from about 5% to about 35% of the length of the transporting structure.

1 . A pyrolysis furnace for a continuous steam pyrolysis apparatus, comprising a reaction chamber with a charge opening and a discharge opening, and one or more axial transporting structures installed in the reaction chamber, wherein each of the transporting structures has a central axis and comprises one or more spiral segments and one or more paddle segments, and the total length of the paddle segments along the central axis direction ranges from about 5% to about 35% of the length of the transporting structure. 
     
     
         2 . The pyrolysis furnace as claimed in  claim 1 , wherein the total length of the paddle segments ranges from about 10% to about 30% of the length of the transporting structure. 
     
     
         3 . The pyrolysis furnace as claimed in  claim 1 , wherein the transporting structure has a plurality of spiral segments and a plurality of paddle segments that are alternately arranged with each other; and each of the spiral segments is substantially identical in length and each of the paddle segments is substantially identical in length. 
     
     
         4 . The pyrolysis furnace as claimed in  claim 1 , wherein the reaction chamber comprises a plurality of reaction regions communicating with one another, and each of the reaction regions comprises one said transporting structure. 
     
     
         5 . The pyrolysis furnace as claimed in  claim 4 , wherein the reaction chamber comprises two reaction regions. 
     
     
         6 . The pyrolysis furnace as claimed in  claim 1 , which is used for the treatment of waste tires. 
     
     
         7 . A continuous steam pyrolysis apparatus, comprising:
 a heat generator;   a combustion chamber communicating with the heat generator, comprising:
 a reaction chamber with a charge opening and a discharge opening; and 
 one or more axial transporting structures installed in the reaction chamber, wherein each of the transporting structures has a central axis and comprises one or more proceeding zones and one or more blending zones, and the total length of the blending zones along the central axis direction ranges from about 5% to about 35% of the length of the transporting structure; and 
   a superheated steam generator communicating with the reaction chamber.   
     
     
         8 . The apparatus as claimed in  claim 7 , which further comprises a steam generator communicating with the superheated steam generator. 
     
     
         9 . The apparatus as claimed in  claim 7 , wherein the total length of the blending zones ranges from about 10% to about 30% of the length of the transporting structure. 
     
     
         10 . The apparatus as claimed in  claim 7 , wherein the transporting structure has a plurality of proceeding zones and a plurality of blending zones that are alternately arranged with each other, and each of the proceeding zones is substantially identical in length and each of the blending zones is substantially identical in length. 
     
     
         11 . The apparatus as claimed in  claim 7 , wherein the proceeding zones are spiral segments and the blending zone are paddle segments. 
     
     
         12 . The apparatus claimed in  claim 7 , wherein the superheated steam generator is tube-shaped and surrounds the outside of the reaction chamber. 
     
     
         13 . The apparatus as claimed in  claim 7 , wherein the reaction chamber comprises a plurality of reaction regions communicating with one another, and each of the reaction regions comprises one said transporting structure. 
     
     
         14 . The apparatus as claimed in  claim 13 , wherein the reaction chamber comprises two reaction regions. 
     
     
         15 . The apparatus as claimed in  claim 7 , which further comprises a pyro-oil-gas processing system at the downstream of the reaction chamber, wherein the pyro-oil-gas processing system comprises a purifying device, a condensing device, and optional, an oil-water separating device and/or a waste water processing device, and the purifying device is a high-temperature filtering device and communicates with the superheated steam generator. 
     
     
         16 . The apparatus as claimed in  claim 15 , wherein the condensing device comprises two or more condensers in series, wherein the condenser at one end communicates with the heat generator, and the condenser at the other end communicates with the purifying device and is provided with an U-type pipe for passing cooling water. 
     
     
         17 . The apparatus as claimed in  claim 7 , which further comprises a pyro-solid-material processing system at the downstream of the reaction chamber, comprising:
 a sorting machine;   a magnetic separator; and   a grinding machine.   
     
     
         18 . The apparatus as claimed in  claim 7 , which is used for the treatment of waste tires. 
     
     
         19 . The apparatus as claimed in  claim 7 , which further comprises a pre-processing device at the upstream of the reaction chamber, communicating with the reaction chamber through the charge opening, wherein the pre-processing device is a cutting machine.