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CN-122003997-A - Straw carbonization and returning integrated carbon fixing device

CN122003997ACN 122003997 ACN122003997 ACN 122003997ACN-122003997-A

Abstract

The invention relates to the technical field of straw returning, in particular to a straw carbonization and returning integrated carbon fixing device, which comprises a top plate, a carbonization mechanism, a carbon injection mechanism and a rotary tillage mechanism, wherein the top plate is provided with a traction frame, the rotary tillage mechanism comprises two groups of rotary tillage components respectively used for loosening soil and mixing, the carbon injection mechanism comprises a lifting mechanism, a driving component and a plurality of groups of carbon injection components with pulse auxiliary blanking components, and the carbonization mechanism comprises a carbonization barrel, a burner and a material distribution component. The device is connected with a tractor through a traction frame, the soil is loosened by the rotary tillage assembly firstly when the field advances, after the straw is carbonized by the carbonization mechanism, the straw is crushed and evenly split to each carbon injection assembly, the lifting mechanism drives the carbon injection assembly to deeply insert soil, the driving assembly cooperates with pulse type blanking to realize deep even carbon injection of the biochar, and finally the carbon-soil mixing is completed by the other rotary tillage assembly. The device realizes straw returning integrated operation, solves the problem of uneven carbon distribution in the prior art, effectively prevents blockage in pulse blanking, has stable carbonization effect and can accurately regulate and control the carbon injection depth.

Inventors

  • JIANG YUNPENG
  • CHEN KANGKANG
  • LIU SHA
  • ZHAO JIE

Assignees

  • 山东省环科院股份有限公司

Dates

Publication Date
20260512
Application Date
20260402

Claims (10)

  1. 1. The utility model provides a straw carbomorphism still field integration solid carbon device which characterized in that includes: the top plate (1), the front end of the top plate (1) is fixedly provided with a traction frame (2), the top surface of the top plate (1) is provided with an avoidance groove (7), and the top surface of the top plate (1) is provided with a storage box (4); the carbonization mechanism (5) is fixedly arranged on the top surface of the top plate (1); The carbon injection mechanism (6) is fixedly arranged at the bottom of the top plate (1), comprises a lifting mechanism, a driving assembly and a plurality of groups of carbon injection assemblies, wherein a plurality of groups of carbon injection assemblies are fixedly connected with the lifting mechanism in a penetrating manner, and the carbon injection assemblies are in transmission connection with the driving assembly; the rotary tillage mechanism (3) is fixedly arranged at the bottom of the top plate (1), the rotary tillage mechanism (3) comprises two groups of rotary tillage assemblies (8) which are respectively arranged at two sides of the carbon injection mechanism (6) and a driving mechanism for driving the two groups of rotary tillage assemblies (8), and the two groups of rotary tillage assemblies (8) are respectively used for loosening the soil and mixing.
  2. 2. The straw carbonization and returning to field integrated carbon fixing device according to claim 1, wherein the lifting mechanism comprises a lifting plate (30) arranged right below the avoidance groove (7), electric push rods (29) are fixedly installed at two ends of the top surface of the lifting plate (30), telescopic parts of the electric push rods (29) penetrate through the top plate (1) in a sliding mode, and fixing parts of the electric push rods (29) are fixedly installed on the top surface of the top plate (1).
  3. 3. The integrated carbon fixing device for straw carbonization and returning to the field according to claim 2, wherein a plurality of groups of carbon injection assemblies are distributed along the length direction array of the lifting plate (30), the discharging structure of the carbon injection assemblies comprises a hollow rod (43) fixedly connected with the lifting plate (30) in a penetrating mode, a through groove (50) is formed in the middle upper portion of the hollow rod (43), a storage cavity (52) positioned below the through groove (50) is formed in the side wall of the hollow rod (43), and an annular groove (54) communicated with the interior of the hollow rod (43) is formed in the bottom end position of the storage cavity (52); a conical head (51) is slidably arranged in the hollow rod (43), the top end of the conical head (51) is fixedly connected with a linkage shaft (53), the periphery of the linkage shaft (53) is fixedly connected with a protruding block (49), and one end, far away from the linkage shaft (53), of the protruding block (49) penetrates through the hollow rod (43) in a sliding manner through a through groove (50) to the outside of the hollow rod (43) and then is fixedly connected with a driving assembly; The material storage cavity (52) is fixedly connected with a corrugated pipe (48) in a penetrating mode at a position close to the top end, one end, away from the hollow rod (43), of the corrugated pipe (48) is fixedly connected with a material guide pipe (47), and one end, away from the corrugated pipe (48), of the material guide pipe (47) is in penetrating connection with the carbonization mechanism (5); When the protruding block (49) is positioned at the bottom end of the through groove (50), the conical part of the conical head (51) is positioned outside the hollow rod (43), the annular groove (54) is blocked by the periphery of the conical head (51), and when the protruding block (49) is positioned near the top end of the through groove (50), the conical part of the conical head (51) is aligned with the annular groove (54), and at the moment, the annular groove (54) is in an open state.
  4. 4. The integrated straw carbonization and returning to field carbon fixing device according to claim 3, wherein the pulse type auxiliary blanking component comprises a hollow column (44) fixedly arranged at the top end of the hollow rod (43), a coaxial cylindrical isolation cover (55) is fixedly arranged on the inner bottom surface of the hollow column (44), a gap exists between the cylindrical isolation cover (55) and the inner top surface of the hollow column (44), a piston (58) is slidably arranged in the cylindrical isolation cover (55), and the bottom surface of the piston (58) is fixedly connected with the top end of the linkage shaft (53); the periphery of the cylindrical isolation cover (55) is sleeved with a lifting ring (56) in a sliding manner, the periphery of the lifting ring (56) is connected with the inner wall of the hollow column (44) in a sliding manner, and a plurality of springs (57) distributed in a circumferential array are fixedly connected between the bottom surface of the lifting ring (56) and the inner bottom surface of the hollow column (44); An air inlet (45) is formed in the top surface of the hollow column (44), and a one-way valve which only allows air to enter is arranged in the air inlet (45); The middle part of the periphery of the hollow column (44) is fixedly connected with a blow pipe (46) in a through mode, and the other end of the blow pipe (46) is fixedly connected with the material guiding pipe (47) in a through mode.
  5. 5. The straw carbonization and returning-to-field integrated carbon fixing device according to claim 3, wherein the driving assembly comprises a convex plate (31) fixedly installed at the middle position of the side surface of the lifting plate (30), an installation seat (32) is fixedly installed on the top surface of the convex plate (31), a motor four (33) is fixedly installed on the side surface of the installation seat (32), a disc (34) is fixedly installed after the rotation of the shaft end of an output shaft of the motor four (33) penetrates through the installation seat (32), a convex column one (37) is fixedly installed on the side surface of the disc (34) at a position close to the outer edge, a connecting rod (35) is rotatably installed on the periphery of the convex column one (37), a convex column two (38) is rotatably installed on the other end of the connecting rod (35), a horizontal linkage bar (36) is fixedly connected to one end, far away from the connecting rod (35), of the linkage bar (36), and one end, far away from the convex column two (38), of the linkage bar (49) is fixedly connected with one end, far away from the linkage shaft (53).
  6. 6. A straw carbonization and returning-to-field integrated carbon fixing device according to claim 3, characterized in that the carbonization mechanism (5) comprises a burner (22) and a carbonization barrel (16) transversely arranged above the top plate (1), a sealed feeding component is fixedly arranged on the periphery of the carbonization barrel (16) in a penetrating manner at one end position, a distributing component is fixedly arranged on the other end of the carbonization barrel (16) in a penetrating manner, and the discharging end of the distributing component is in penetrating connection with a plurality of material guide pipes (47); A second motor (17) is fixedly arranged at the sealing end of the carbonization barrel (16), a transmission shaft (18) coaxial with the carbonization barrel (16) is fixedly connected after the shaft end of the output shaft of the second motor (17) rotates to penetrate through the end part of the carbonization barrel (16), a spiral blade (19) in sliding contact with the inside of the carbonization barrel (16) is fixedly arranged at the periphery of the transmission shaft (18), the screw pitch of the spiral blade (19) is in gradient design, and the spiral blade is sequentially arranged into a large screw pitch, a medium screw pitch and a small screw pitch from the sealing end of the carbonization barrel (16) to the opening end direction; the periphery of the carbonization barrel (16) is sleeved with a jacket (20), an upward opening exhaust port (21) is arranged at the upper position of the periphery of the jacket (20), and the combustion head of the combustor (22) extends to the low point position inside the jacket (20).
  7. 7. The integrated carbon fixing device for straw carbonization and returning to the field according to claim 6, wherein the material distribution assembly comprises a rectangular distribution box (27) fixedly arranged on the top surface of a top plate (1), two mounting shafts (41) are rotatably arranged between two ends of the rectangular distribution box (27), auger blades (42) are fixedly arranged on the mounting shafts (41), one end of the mounting shafts (41) is fixedly provided with gears (28) after penetrating through the end parts of the rectangular distribution box (27) in a rotating way, and the two gears (28) are meshed; One end of the rectangular shunt box (27) far away from the gear (28) is fixedly provided with a motor five (39), and one end of a mounting shaft (41) close to the motor five (39) is fixedly connected with the shaft end of an output shaft of the motor five (39) after penetrating through the end of the rectangular shunt box (27) in a rotating way; the top surface of the rectangular distribution box (27) is fixedly provided with a guide pipe (26) in a penetrating manner at a position close to the end part, the top end of the guide pipe (26) is fixedly provided with a crushing cylinder (24), and the crushing cylinder (24) is communicated with the end part of the carbonization cylinder (16); The top surface of the crushing cylinder (24) is fixedly provided with a motor III (25), the shaft end of an output shaft of the motor III (25) penetrates through the crushing cylinder (24) in a rotating mode and then is fixedly connected with a crushing shaft, and the periphery of the crushing shaft is fixedly provided with a plurality of uniformly distributed crushing cutters; The bottom surface of rectangle reposition of redundant personnel case (27) is provided with a plurality of discharging pipes (40) that are equal with a plurality of passage (47) quantity along its length direction array, a plurality of the bottom of discharging pipe (40) is kept away from the one end through fixed connection of empty core rod (43) with a plurality of passage (47) respectively.
  8. 8. The integrated carbon fixing device for straw carbonization and returning to the field according to claim 6, wherein the sealed feeding assembly comprises a pipeline (64) fixedly installed at the periphery of a carbonization barrel (16), a through hollow disc (61) is arranged in the middle of the pipeline (64), a blanking disc (62) in sliding contact with the inner wall of the hollow disc (61) is arranged in the hollow disc (61), a plurality of trough grooves (63) axially distributed in an array with respect to the axis of the hollow disc (61) are arranged at the periphery of the blanking disc (62), and a motor for driving the blanking disc (62) to rotate is fixedly installed at one end of the hollow disc (61); the top end of the pipeline (64) is fixedly provided with a funnel (59).
  9. 9. The straw carbonization and returning-to-field integrated carbon fixing device according to claim 1, wherein the rotary tillage assembly (8) comprises a baffle cover (12) fixedly arranged on the bottom surface of the top plate (1), a rotating shaft (13) is rotatably arranged between two ends of the baffle cover (12), and a driven belt wheel (15) is fixedly arranged after one end of the rotating shaft (13) rotates to penetrate through the end part of the baffle cover (12); a plurality of evenly distributed cutters (14) are fixedly arranged on the periphery of the rotating shaft (13).
  10. 10. The integrated carbon fixing device for straw carbonization and returning to the field according to claim 9, wherein the driving mechanism comprises a first motor (9) fixedly installed on the top surface of the top plate (1), a driving belt wheel (10) is fixedly installed at the shaft end of an output shaft of the first motor (9), and a belt (11) is installed between the driving belt wheel (10) and the two driven belt wheels (15).

Description

Straw carbonization and returning integrated carbon fixing device Technical Field The invention relates to the manufacture of mechanized agricultural and gardening tools, in particular to the technical field of straw returning, and specifically relates to a straw carbonization and returning integrated carbon fixing device. Background Straw carbonization is an agricultural technology for returning crop straws to fields after being prepared into biochar through pyrolysis carbonization, and the biochar is blended into soil to realize agricultural carbon fixation, improve soil structure and improve soil fertilizer and water retention capacity and fertility, so that the straw carbonization is an important way for efficient straw resource utilization and agricultural green development. In the prior art, the biochar returning operation after straw carbonization mostly adopts manual or simple equipment to directly spread the charcoal material on the soil surface in a scattered way, and then the surface layer rotary tillage mixing is carried out through a rotary cultivator, and the charcoal material throwing structure of a few of integrated equipment is simple in design and can only realize surface layer blanking. The prior art has the following defects: The mode that the carbon material is scattered on the soil surface and then rotary tillage is carried out easily causes the problem of uneven distribution of few surface carbon materials and few deep carbon materials, the fusion degree of the biochar and the soil is low, and the carbon fixation and soil improvement effects are to be improved. Disclosure of Invention The invention aims to provide a straw carbonization and returning integrated carbon fixing device, which aims to solve the problems in the background technology. The aim of the invention can be achieved by the following technical scheme: a straw carbonization and returning integrated carbon fixing device, comprising: the front end of the top plate is fixedly provided with a traction frame, the top surface of the top plate is provided with an avoidance groove, and the top surface of the top plate is provided with a storage box; The carbonization mechanism is fixedly arranged on the top surface of the top plate; The carbon injection mechanism is fixedly arranged at the bottom of the top plate and comprises a lifting mechanism, a driving assembly and a plurality of groups of carbon injection assemblies, wherein the plurality of groups of carbon injection assemblies are fixedly connected with the lifting mechanism in a penetrating manner, and the plurality of groups of carbon injection assemblies are in transmission connection with the driving assembly; the rotary tillage mechanism is fixedly arranged at the bottom of the top plate and comprises two groups of rotary tillage assemblies respectively arranged at two sides of the carbon injection mechanism and a driving mechanism for driving the two groups of rotary tillage assemblies, and the two groups of rotary tillage assemblies are respectively used for loosening soil and mixing. Further, elevating system is including setting up the lifter plate under dodging the groove, equal fixed mounting in top surface both ends position of lifter plate has electric putter, electric putter's flexible portion slides and runs through the roof, electric putter's fixed part fixed mounting is at the top surface of roof. Further, a plurality of groups of carbon injection assemblies are distributed in an array along the length direction of the lifting plate, the discharging structure of the carbon injection assemblies comprises a hollow rod fixedly connected with the lifting plate in a penetrating mode, a through groove is formed in the middle upper portion of the hollow rod, a storage cavity located below the through groove is formed in the side wall of the hollow rod, and an annular groove communicated with the interior of the hollow rod is formed in the bottom end position of the storage cavity; the hollow rod is internally and slidably provided with a conical head, the top end of the conical head is fixedly connected with a linkage shaft, the periphery of the linkage shaft is fixedly connected with a convex block, and one end of the convex block, which is far away from the linkage shaft, penetrates through the hollow rod in a sliding manner through a through groove and is fixedly connected with the driving assembly after reaching the outside of the hollow rod; The material storage cavity is fixedly connected with a corrugated pipe in a penetrating mode at a position close to the top end, one end, far away from the hollow rod, of the corrugated pipe is fixedly connected with a material guide pipe, and one end, far away from the corrugated pipe, of the material guide pipe is in penetrating connection with the carbonization mechanism; When the protruding block is positioned at the bottom end of the through groove, the conical part of the conical head is positioned outside the