Continuous-flow pyrolysis reactor, positive-pressure feed hopper for pyrolysis reactor, kiln for pyrolysis reactor, and pyrolysis system
View Patent ↗A continuous flow pyrolytic reactor ( 200 ) equipped with one or more pyrolysis chamber assemblies ( 204 ) is disclosed. A positive pressure waste feeder hopper ( 100 ) for the pyrolytic reactor and its respective furnace, in addition to a pyrolysis system for the use of waste. The pyrolytic reactor ( 200 ) having a plurality of cylindrical pyrolysis chambers ( 201 ) provided, within it, with an endless screw conveyor ( 202 ) arranged longitudinally. The worm conveyor screw ( 202 ) is provided with a shaft ( 203 ), the shaft ( 203 ) being coupled to the bases of the pyrolysis chamber ( 201 ). The shaft ( 203 ) is further coupled to a rotation device that transfers torque to the shaft ( 203 ) by rotating the worm conveyor screw ( 202 ). The cylindrical pyrolysis chambers ( 201 ) are housed in an insulating housing ( 300 ) having within it two or more assemblies ( 204 ). The assemblies ( 204 ) are fed by a hopper ( 100 ) forming a pyrolysis system.
1 . A continuous flow pyrolytic reactor ( 200 ) comprising:
a plurality of cylindrical pyrolysis chambers ( 201 ) equipped inside with an endless helical conveyor thread ( 202 ) arranged longitudinally, the endless helical conveyor thread ( 202 ) being provided with a shaft ( 203 ), said shaft ( 203 ) being coupled to bases of the pyrolysis chambers ( 201 ); the shaft ( 203 ) is further coupled to a rotation device that transfers torque to said shaft ( 203 ) by rotating the endless helical conveyor thread ( 202 ), the cylindrical pyrolysis chambers ( 201 ) are housed in an insulating housing ( 300 ) comprising within two or more assemblies ( 204 ), each one of the assemblies ( 204 ) includes a plurality of the cylindrical pyrolysis chambers ( 201 );
wherein the cylindrical pyrolysis chambers ( 201 ) are arranged in an alternately offset direction thereof in each one of the assemblies ( 204 ), and wherein the assemblies being arranged in the same direction inside the housing ( 300 ).
2 . The continuous flow pyrolytic reactor ( 200 ) according to claim 1 , wherein shafts ( 203 ) of the cylindrical pyrolysis chambers ( 201 ) of each of the assemblies are arranged on top of each other, wherein the shaft ( 203 ) of a first internal cylindrical pyrolysis chamber ( 201 i ) is located below the shaft ( 203 ) of a first external chamber ( 201 e ).
3 . The continuous flow pyrolytic reactor ( 200 ) according to claim 2 , wherein the collection of pyrolysis gases is carried out by at least one lower tube ( 2051 ) coupled to each of the internal cylindrical pyrolysis chambers ( 201 i ) of each of the assemblies ( 204 ), each one of the lower tube ( 2051 ) being connected to an upper tube ( 2052 ) forming an unevenness; the upper tube ( 2052 ) then connects to a vertical tube ( 205 ) for collecting the pyrolysis gases.
4 . The continuous flow pyrolytic reactor ( 200 ) according to claim 2 , wherein a waste inlet is located above one of the ends of the first external cylindrical pyrolysis chamber ( 201 e ) of each of the sets and the coal outlet is located underneath one of the ends of the last inner cylindrical pyrolysis chamber ( 201 i ) of each of the assemblies ( 204 ).
5 . The continuous flow pyrolytic reactor ( 200 ), according to claim 1 , wherein the housing ( 300 ) has a parallelepipedal shape having the closure at the upper portion ( 301 ) in the shape a longitudinal cylindrical section, where a vertex of an upper portion ( 3011 ) is parallel to the longitudinal axis of the parallelepipedal portion of the housing ( 300 ).
6 . The continuous flow pyrolytic reactor ( 200 ) according to claim 5 , wherein the housing ( 300 ) is provided in a lower portion with a heat diffusing plate ( 303 ) in the shape of a cylindrical surface, its vertex positioned downwards, being arranged above one or more flutes ( 304 ).
7 . The continuous flow pyrolytic reactor ( 200 ) according to claim 6 , wherein between the edges of the heat diffusing plate ( 303 ) and each of larger inner sides ( 3053 ) of the housing ( 300 ) is arranged on a horizontal sheet ( 312 ) of refractory material provided with a plurality of holes ( 3121 ).
8 . The continuous flow pyrolytic reactor ( 200 ), according to claim 5 , wherein the housing ( 300 ), in a lower portion of a small side ( 3051 ), includes one or more holes ( 306 ) for the passage of one or more of flutes ( 304 ) that are coupled to one or more gas burners ( 309 ), the small side ( 3051 ) includes one or more visors ( 307 ), immediately above one or more holes ( 306 ); said small side ( 3051 ) includes a lower portion with an opening for collecting ash ( 308 ).
9 . The continuous flow pyrolytic reactor ( 200 ) according to claim 5 , wherein the upper face ( 301 ) comprises at least one outlet hole ( 310 ) for coupling a flue gas collection pipe ( 311 ).
10 . The continuous flow pyrolytic reactor ( 200 ) according to claim 9 , wherein one or more flue collection ports ( 310 ) are sized in such that the volume of the inlet gas injected by one or more burners ( 309 ) is equal to the volume of the flue gases collected in the one or more ports ( 310 ).
11 . The continuous flow pyrolytic reactor ( 200 ) according to claim 6 , wherein the lower portion ( 313 ) of the housing ( 300 ) is provided with a combustion drawer ( 314 ) having a prismatic trapezoidal shape, with a smaller base being positioned at the bottom of the housing and below the one or more flutes ( 304 ).
12 . A feeder hopper ( 100 ) with positive pressure to the continuous flow pyrolylic reactor ( 200 ) according to claim 1 , the feeder hopper ( 100 ) provided with an enlarged upper portion ( 1010 ) where the waste is deposited; the upper portion ( 1010 ) is passed longitudinally by a helical thread ( 102 ) endless presser in the vertical position, the helical thread ( 102 ) and further fixed to a rotating shaft ( 105 ) that couples to a rotating device ( 106 ), the hopper ( 100 ) comprises a tubular medial portion ( 1011 ), narrower than the upper portion ( 1010 ), and the tubular medial portion ( 1011 ) is passed longitudinally by the helical thread ( 102 ); the rotating shaft ( 105 ) is coupled by a bearing in a bifurcation pipe ( 103 ) at the beginning of a lower portion ( 1012 ) of the hopper; the bifurcation pipe ( 103 ) originates from pipes ( 104 ).
13 . The feeder hopper ( 100 ) according to claim 12 , wherein the connectors ( 107 a , 107 b ) for feeding the continuous flow pyrolytic reactor ( 200 ) have a reduction in a diameter of 5 to 30% in relation to a diameter of the waste conduction tubes ( 104 a , 104 b ).
14 . The feeder hopper ( 100 ) according to claim 12 , wherein the screw thread ( 102 ) is provided with a plurality of holes ( 108 ).
15 . The feeder hopper ( 100 ) according to claim 12 , wherein the helical thread ( 102 ) has a larger diameter in the upper portion ( 1010 ) in relation to a diameter of the helical thread ( 102 ) of a medial portion ( 1011 ) of the hopper, wherein said diameter is gradually reduced to the beginning of the medial portion ( 1011 ).
16 . The feeder hopper ( 100 ) according to claim 12 , wherein the helical screw ( 102 ) has a decrease in pitch and diameter from a lower second half of the medial portion ( 1011 ).
17 . A pyrolytic reactor furnace provided with the continuous flow pyrolytic reactor ( 200 ) according to claim 1 , wherein the insulating housing ( 300 ) has a parallel shape, wherein a closure in an upper portion ( 301 ) is shaped longitudinal as a cylindrical section, where a vertex of an upper face ( 3011 ) is parallel to a longitudinal axis of the parallelepipedal portion of the insulating housing ( 300 ), a lower portion being provided with a heat diffusing plate ( 303 ) in the form of a cylindrical surface, a vertex being positioned downwards; the heat diffuser plate ( 303 ) is further arranged above one or more flutes ( 304 ).
18 . The pyrolytic reactor furnace, according to claim 17 , wherein between the edges of the heat diffuser plate ( 303 ) and each of the larger inner sides ( 3053 ) of the housing ( 300 ) is arranged a horizontal plate ( 312 ) made of a refractory material provided with a plurality of holes ( 3121 ).