CN113072964A - Horizontal rotary core carbonization furnace for biomass - Google Patents
Horizontal rotary core carbonization furnace for biomass Download PDFInfo
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- CN113072964A CN113072964A CN202110365764.0A CN202110365764A CN113072964A CN 113072964 A CN113072964 A CN 113072964A CN 202110365764 A CN202110365764 A CN 202110365764A CN 113072964 A CN113072964 A CN 113072964A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
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- C10B1/02—Stationary retorts
- C10B1/06—Horizontal retorts
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Abstract
The invention relates to the technical field of carbonization furnaces, in particular to a horizontal biomass rotary core carbonization furnace, wherein a rotary core pushing and twisting shaft is arranged in an inner cylinder, spiral blades are arranged on the peripheral wall of the rotary core pushing and twisting shaft, the front end of the rotary core pushing and twisting shaft is suspended outside the inner cylinder and is driven to rotate by a motor, the front end and the rear end of the inner cylinder are respectively suspended outside an outer cylinder, a raw material inlet is arranged at the front end of the inner cylinder, a first outlet is arranged at the rear end of the inner cylinder, a heating chamber is formed by enclosing the inner cylinder and the outer cylinder, a heating medium inlet is arranged at the rear end of the outer cylinder, a heating medium outlet is arranged at the front end of the outer cylinder, a plurality of stirring columns are vertically arranged on the spiral blades, a spiral flow deflector is arranged on the peripheral wall of the inner cylinder, a plurality of rolling support units are arranged at the bottom end of the spiral flow deflector, and the bottom end of the. The invention has the advantages of high raw material carbonization rate, improved production efficiency, ensured carbon quality, longer service life and the like.
Description
Technical Field
The invention relates to the technical field of carbonization furnaces, in particular to a horizontal biomass rotary core carbonization furnace.
Background
The biomass carbonization furnaces mature and applied in the market at present mainly comprise a vertical fixed bed carbonization furnace and a horizontal rotary kiln carbonization furnace, both of which utilize oxygen deficiency combustion to release heat energy to pyrolyze biomass raw materials, and have the problems of large burning loss of fixed carbon, low carbonization yield, incapability of ensuring carbon quality and the like; meanwhile, associated gas is a product of oxygen-deficient combustion, and contains a large amount of nitrogen brought by air, so that the gas production is large, the temperature and the heat value are low, tar is separated out, the utilization value and the process reliability are reduced, the tar belongs to dangerous waste, the treatment cost is high, and the ecological environment and the personal health safety are threatened; in addition, the two carbonization furnaces also have the defects of low single-machine productivity, low comprehensive utilization efficiency of biomass raw materials, high power consumption and the like in different degrees. The existence of the problems seriously restricts the further development of the biomass raw material carbonization industry.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a biomass horizontal rotary core carbonization furnace which is high in raw material carbonization rate, high in production efficiency, capable of guaranteeing carbon quality and long in service life.
The technical scheme adopted by the invention is as follows: a horizontal rotary core carbonization furnace for biomass comprises an inner cylinder and an outer cylinder sleeved outside the inner cylinder, wherein a rotary core push-twisting shaft is arranged inside the inner cylinder, spiral blades are arranged on the peripheral wall of the rotary core push-twisting shaft, the front end of the rotary core push-twisting shaft is suspended outside the inner cylinder and driven by a motor to rotate the rotary core push-twisting shaft, the front end and the rear end of the inner cylinder are respectively suspended outside the outer cylinder, a raw material inlet is arranged at the front end of the inner cylinder, a first outlet is arranged at the rear end of the inner cylinder, the outer cylinder wall of the inner cylinder and the front end port of the outer cylinder are fixedly and hermetically connected, the outer cylinder wall of the inner cylinder and the rear end port of the outer cylinder are dynamically sealed through sealing rings, a heating cavity is formed by enclosing between the inner cylinder and the outer cylinder, an interface is arranged at the rear end of the outer cylinder and serves as a heating medium inlet of the heating cavity, an interface is arranged at the front end, be equipped with the spiral water conservancy diversion piece on the periphery wall of inner tube, the bottom of spiral water conservancy diversion piece is equipped with a plurality of interval arrangements's roll support element, and the bottom of spiral water conservancy diversion piece is passed through the inner wall of roll support element and urceolus and is constituted the roll formula support cooperation of section of thick bamboo length direction, the roll support element includes stopper and roller bearing, and the stopper is fixed in the bottom of spiral water conservancy diversion piece, and rectangular spacing groove is seted up to the lower surface of stopper, and the groove depth of spacing groove is less than the diameter of roller bearing, and the roller bearing can roll the formula spacing between the both sides cell wall of spacing groove, and the inner wall interval arrangement of stopper and urceolus, and the roller bearing supports and leans on between the inner wall of spacing groove and urceolus, and the roller bearing can paste the.
As a further improvement of the above technical solution:
the inner wall of the outer barrel is attached with a heat insulating layer, the inner wall of the outer barrel opposite to each rolling supporting unit is fixed with a high-strength heat insulating block, the inner surface of the high-strength heat insulating block is attached with a high-temperature wear-resistant layer, the high-strength heat insulating block and the high-temperature wear-resistant layer are embedded in the heat insulating layer, and the roller rolls along the high-temperature wear-resistant layer when rolling.
The inner cylinder gradually decreases in cross-sectional area from the front end to the rear end.
The stirring columns are in a strip column shape and are uniformly arranged at intervals along the spiral edge of the spiral blade.
The cross sections of the inner cylinder and the outer cylinder are waist-shaped hole types, and two parallel straight edges of the waist-shaped holes are mutually parallel in the vertical direction.
The rotary core pushing and twisting shafts are two, the rotating directions of the spiral blades of the two rotary core pushing and twisting shafts are the same, the screw pitches of the spiral blades are gradually reduced from the front end to the rear end, the rotary core pushing and twisting shafts and the inner cylinder are arranged in an eccentric mode, and the central line of the rotary core pushing and twisting shafts is located below the central line of the inner cylinder.
The urceolus is enclosed to close through flange joint mode by first half casing and lower half casing and forms, realize sealing connection through sealed the pad between first half casing and the lower half casing, the urceolus is fixed in braced frame, braced frame's cross section is square, braced frame connects into an organic whole through bolted connection mode by first half frame and second half frame, first half casing welds in first half frame, lower half casing welds in second half frame, first half casing, flange joint and first half frame between the lower half casing, the same bolt of bolted connection sharing between the second half frame.
The invention has the following beneficial effects: according to the biomass gasification furnace, the heating medium is not in direct contact with the biomass raw material, and the biomass raw material is heated in an indirect mode, namely the heating medium can not provide oxygen for the reaction of the biomass raw material, oxidation reaction can not occur, fixed carbon in the biomass raw material can not be burnt, the content of C element in the generated carbon product is high, and the carbon forming rate of the raw material is high; the spiral flow guide plates are arranged on the peripheral wall of the inner cylinder and guide the flow of the heating medium, so that the heating is uniform, the reaction time of the biomass raw material is sufficient, the deep uniform carbonization of the biomass raw material can be realized, the porosity of the carbon product is high, the content of C element is high, and the quality is reliably ensured; a plurality of stirring columns are vertically arranged on the spiral blade, and the biomass raw material is stirred in the propelling process, so that the heat conductivity of the inner cylinder and the uniformity of a temperature field in the inner cylinder can be improved, and the balance and the rapidity of the carbonization reaction process of the biomass raw material are promoted; the urceolus adopts inboard heat insulation layer adiabatic, and the urceolus outer wall is close the normal atmospheric temperature during the operation, and axial expansion displacement is less, and the inner tube receives the heating medium cladding, and the temperature is higher, and the axial expansion displacement of inner tube is great, takes place axial displacement during the inner tube inflation, relies on the roller bearing to roll on the inboard high temperature wearing layer of outer tube to support when the inner tube removes, effectively adapts to the inflation of inner tube, can not be because of the inflation by the damage that causes the inner tube of restriction for whole retort life is longer.
Drawings
Fig. 1 is a schematic sectional structure view of the present invention (the support frame is not shown).
Fig. 2 is a sectional view taken along a-a of fig. 1.
Fig. 3 is a partial structural view of the rotary core push-twist shaft of the present invention.
Fig. 4 is an enlarged view of a portion B in fig. 1.
Wherein: 10. an inner barrel; 11. a raw material inlet; 12. a first outlet; 20. an outer cylinder; 21. an upper half shell; 22. a lower half shell; 30. rotating the core and pushing the twisting shaft; 31. a helical blade; 32. a stirring column; 40. a motor; 50. a heating chamber; 51. a heating medium inlet; 52. a heating medium outlet; 60. a spiral flow deflector; 71. a limiting block; 72. a roller; 80. a heat insulating layer; 91. a high-strength heat-insulating block; 92. a high temperature wear resistant layer; 100. a support frame; 101. an upper half frame; 102. a lower half frame; 110. and (4) bolts.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-4, the horizontal rotary core carbonization furnace of biomass of this embodiment includes an inner cylinder 10 and an outer cylinder 20 sleeved outside the inner cylinder 10, a rotary core push-twisting shaft 30 is disposed inside the inner cylinder 10, a spiral blade 31 is disposed on an outer circumferential wall of the rotary core push-twisting shaft 30, a front end of the rotary core push-twisting shaft 30 overhangs outside the inner cylinder 10 and is driven by a motor 40 to rotate the rotary core push-twisting shaft 30, a front end and a rear end of the inner cylinder 10 overhang outside the outer cylinder 20, respectively, a raw material inlet 11 is disposed at the front end of the inner cylinder 10, a first outlet 12 is disposed at the rear end of the inner cylinder 10, an outer cylinder wall of the inner cylinder 10 and a front end port of the outer cylinder 20 are fixedly and hermetically connected, an outer cylinder wall of the inner cylinder 10 and a rear end port of the outer cylinder 20 are dynamically sealed by a sealing ring, a heating chamber 50 is formed by enclosing between the inner cylinder 10 and the outer cylinder 20, a heating medium inlet, the front end of the outer cylinder 20 is provided with an interface as a heating medium outlet 52 of the heating chamber 50, a plurality of stirring columns 32 are vertically arranged on the helical blade 31, a helical flow deflector 60 is arranged on the peripheral wall of the inner cylinder 10, a plurality of rolling support units arranged at intervals are arranged at the bottom end of the helical flow deflector 60, the bottom end of the helical flow deflector 60 and the inner wall of the outer cylinder 20 form a rolling type supporting fit in the cylinder length direction through the rolling support units, each rolling support unit comprises a limiting block 71 and a rolling shaft 72, the limiting block 71 is fixed at the bottom end of the helical flow deflector 60, the lower surface of the limiting block 71 is provided with a rectangular limiting groove, the groove depth of the limiting groove is smaller than the diameter of the rolling shaft 72, the rolling shaft 72 can be limited between the two side groove walls of the limiting groove in a rolling manner, the limiting block 71 and the inner wall of the outer cylinder 20 are arranged at intervals, the rolling shaft, the blade height of the middle section of the helical blade 31 is less than the blade height of the front and back sections. Wherein the sealing ring adopts a flexible graphite sealing ring.
The rolling supporting unit comprises a limiting block 71 and a rolling shaft 72, a limiting groove is formed in the lower surface of the limiting block 71, the rolling shaft 72 can be limited in the limiting groove in a rolling mode, and the rolling shaft 72 can roll along the length direction of the outer barrel 20 by being attached to the inner wall of the outer barrel.
The inner wall of the outer cylinder 20 is attached with the heat insulating layer 80, the inner wall of the outer cylinder 20 opposite to each rolling supporting unit is fixed with a high-strength heat insulating block 91, the inner surface of the high-strength heat insulating block 91 is attached with a high-temperature wear-resistant layer 92, the high-strength heat insulating block 91 and the high-temperature wear-resistant layer 92 are embedded in the heat insulating layer 80, and the roller 72 rolls along the high-temperature wear-resistant layer 92 when rolling. The heat insulation layer 80, the high-strength heat insulation block 91 and the high-temperature wear-resistant layer 92 can be made of existing materials. For example, the heat insulating layer 80 may be made of an aluminum silicate fiber felt and a refractory mortar coating, the high-strength heat insulating block 91 may be made of a heat insulating material having a certain strength, and the high-strength heat insulating block 91 may have both a heat insulating effect and a strength to support the roller 72. The high-temperature wear-resistant layer 92 is made of a high-temperature-resistant and wear-resistant material. The high temperature wear resistant layer 92 may reduce the rolling friction coefficient.
The cross-sectional area of the inner barrel 10 decreases from the front end to the rear end.
The stirring posts 32 are in the shape of a bar column, and the stirring posts 32 are uniformly spaced along the spiral edge of the spiral blade 31. In order to strengthen the disturbance of the biomass raw material in the inner cylinder 10, improve the carbonization pyrolysis reaction speed and prevent the raw material from depositing at the lower part of the inner cylinder 10, stirring columns 32 are uniformly welded on the helical blades 31 of the rotary core pushing and twisting shaft 30 along the circumferential direction, the raw material in a lower concentrated phase area can be hooked in the rotary pushing process of the rotary core pushing and twisting shaft 30 to the raw material, the raw material is continuously stirred in the carbonization process, and the purpose of homogenizing a temperature field and a material field is realized.
The cross sections of the inner cylinder 10 and the outer cylinder 20 are waist-shaped hole types, and two parallel straight edges of the waist-shaped holes are mutually parallel in the vertical direction. Thus, the lower walls of the inner cylinder 10 and the outer cylinder 20 are both flat, which facilitates the installation of the rolling support unit and the rolling of the roller 72.
The number of the rotary core pushing and twisting shafts 30 is two, the rotating directions of the helical blades 31 of the two rotary core pushing and twisting shafts 30 are the same, the helical pitches of the helical blades 31 are gradually reduced from the front end to the rear end, the rotary core pushing and twisting shaft 30 and the inner cylinder 10 are arranged in an eccentric mode, and the central line of the rotary core pushing and twisting shaft 30 is located below the central line of the inner cylinder 10. In order to improve the productivity, the number of the rotary core pushing and twisting shafts 30 can be two or more, and the specific number is determined according to the actual requirement. The present application preferably employs two rotary core push-twist spindles 30 to double the throughput of a single machine. The rotary core push-twist shaft 30 is eccentrically arranged with the inner cylinder 10, which is beneficial to pushing and stirring raw materials in a lower dense phase region, leaves a space for an upper gas phase region and improves the radiation heat transfer capacity of the cylinder wall of the inner cylinder 10. The pitch of the helical blade 31 gradually decreases from front to back along with the change of the volume of the biomass raw material, so that the fullness degree of the biomass raw material at the back part in the furnace and the carbonization time in the furnace can be improved, and the carbonization effect is ensured.
The urceolus 20 is enclosed to close through the flange joint mode by first half casing 21 and lower half casing 22 and forms, realize sealing connection through sealed pad between first half casing 21 and the lower half casing 22, urceolus 20 is fixed in braced frame 100, braced frame 100's cross section is square, braced frame 100 is connected into an organic whole through the bolt joint mode by first half frame 101 and lower half frame 102, first half casing 21 welds in first half frame 101, lower half casing 22 welds in lower half frame 102, first half casing 21, flange joint and first half frame 101 between the lower half casing 22, the same bolt 110 of bolted joint sharing between the lower half frame 102. The outer cylinder 20 is a decomposable cylinder, and the support frame 100 is a decomposable frame, so that the installation and the internal maintenance of the carbonization furnace are facilitated. It should be noted that, for the sake of clarity of the entire structure, the structure of the support frame 100 is not shown in fig. 1, and the structure of the support frame 100 is shown in fig. 2.
The working process of the application is as follows:
(1) the carbonized biomass raw material enters the inner cylinder 10 from the raw material inlet 11, and the rotary core pushing and twisting shaft 30 is driven by the motor 40 to rotate so as to push the biomass raw material to move from front to back in the inner cylinder 10;
(2) heating medium (high-temperature flue gas released by gas combustion) enters a heating chamber 50 between the inner cylinder 10 and the outer cylinder 20 from a heating medium inlet 51, is in a counter-current mode with biomass raw materials in the inner cylinder 10 under the flow guide effect of a spiral flow guide sheet 60 on the outer wall of the inner cylinder 10, rotates around the inner cylinder 10 from back to front, heats the biomass raw materials in the inner cylinder 10 by the heating medium, and is discharged from a heating medium outlet 52 at the front after temperature reduction;
(3) under the heating action of the high-temperature heating medium, the biomass raw material in the inner cylinder 10 gradually completes the processes of dry distillation pyrolysis, volume reduction gas separation and deep carbonization in the process of moving from front to back, and finally, the generated carbon and fuel gas are discharged from the first outlet 12 under the pushing of the rotary core pushing and twisting shaft 30.
Compared with the prior art, the invention has the following advantages:
1. in the application, the carbonization furnace is in a horizontal fixed type, the heating medium is arranged outside the inner cylinder 10 and is not in direct contact with the biomass raw material, and the biomass raw material is heated in an indirect mode, namely the heating medium cannot provide oxygen for the reaction of the biomass raw material and does not generate oxidation reaction, the fixed carbon in the biomass raw material cannot be burnt, the content of C element in the generated carbon product is high, and the carbon forming rate of the raw material is high;
2. the spiral flow deflector 60 is arranged on the outer peripheral wall of the inner cylinder 10, and the spiral flow deflector 60 guides the flow of the heating medium, so that the heating is uniform, the reaction time of the biomass raw material is sufficient, the deep uniform carbonization of the biomass raw material can be realized, the porosity of the carbon product is high, the content of C element is high, and the quality is reliably ensured;
3. the carbonization process can be effectively controlled and adjusted by adjusting the rotating speed of the rotary core pushing and twisting shaft 30 and the temperature of the heating medium, so that the adaptability to biomass raw materials is greatly improved;
4. the rotary core push-and-twist shaft 30 adopts a differential height helical blade structure, namely the blade height of the middle section of the helical blade 31 is smaller than the blade height of the front and rear sections, so that the problem that the blade of the middle section scrapes the bottom of the inner cylinder 10 due to the deflection deformation of the rotary core push-and-twist shaft 30 caused by the self gravity can be avoided;
5. the helical blades 31 are vertically provided with a plurality of stirring columns 32, so that the biomass raw material is stirred in the propelling process, the heat conductivity of the inner cylinder 10 and the uniformity of a temperature field in the inner cylinder 10 can be improved, and the balance and the rapidity of the carbonization reaction process of the biomass raw material are promoted;
6. the cross section area of the inner cylinder 10 is gradually reduced from the front end to the rear end, namely the inner cylinder adopts a cone variable cross section structure with a large front end (biomass raw material inlet end) and a small rear end (carbon and fuel gas outlet end), the outer cylinder 20 adopts a conventional uniform cross section structure, so that a heating cavity 50 formed between the inner cylinder 10 and the outer cylinder 20 forms a flow section with a large front end and a small rear end according to the flow direction of a heating medium, the change that the volume of the heating medium is gradually reduced along with the temperature is adapted, the uniform flow of the medium is favorably realized, the heat transfer effect is ensured, and the flow resistance is reasonably controlled;
7. in the carbonization process, the advancing direction of the biomass raw material and the heating medium are in a reverse flow state, so that the heat transfer temperature and pressure are increased, the utilization efficiency of the heating medium and the temperature level in a carbonization chamber are improved, and the carbonization reaction speed and the quality of carbon are favorably improved;
8. associated gas is biomass raw material dry distillation pyrolysis gas, no air is mixed and combusted, the gas has high heat value, less quantity, good quality, wide application, low treatment cost and high utilization efficiency;
9. in addition, the temperature of the fuel gas is high, no tar is separated out in the conveying process, no pipeline blockage occurs, and the system safety is reliably ensured;
10. the carbonization process only produces biochar and fuel gas, no hazardous waste tar is separated out from the fuel gas, no solid waste, liquid waste and gas waste are discharged in the system, and the production process is clean and environment-friendly.
11. The outer cylinder 20 adopts the inner side heat insulating layer 80 for heat insulation, the outer wall of the outer cylinder 20 is close to normal temperature during operation, the axial expansion displacement is small, the inner cylinder 10 is coated by a heating medium, the temperature is high, the axial expansion displacement of the inner cylinder 10 is large, the inner cylinder 10 expands and axially moves, the inner cylinder 10 moves and is supported by the rolling shaft 72 on the high-temperature wear-resistant layer 92 at the inner side of the outer cylinder 20 in a rolling manner, the expansion of the inner cylinder 10 is effectively adapted, the damage to the inner cylinder 10 due to the limitation of the expansion is avoided, and the service life of.
The heavy-load supporting structure of the invention comprises the following working processes:
the raw material in the inner cylinder 10 and the weight of the variable cross-section inner cylinder 10 are transferred to the constant cross-section outer cylinder 20 through a rolling support unit fixed on the outer wall of the inner cylinder 10, and then transferred to a support frame 100 welded integrally with the outer cylinder 20. The rotary core pushing-twisting shaft 30 and the driving motor 40 thereof can be transmitted to the supporting frame 100 by using a mounting bracket, so that the horizontal rotary core carbonization furnace is fixed as a whole.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (7)
1. The utility model provides a horizontal core retort that revolves of living beings which characterized in that: comprises an inner cylinder (10) and an outer cylinder (20) sleeved outside the inner cylinder (10), wherein a rotary core push-twisting shaft (30) is arranged inside the inner cylinder (10), a spiral blade (31) is arranged on the peripheral wall of the rotary core push-twisting shaft (30), the front end of the rotary core push-twisting shaft (30) is suspended outside the inner cylinder (10) and is driven by a motor (40) to rotate the rotary core push-twisting shaft (30), the front end and the rear end of the inner cylinder (10) are respectively suspended outside the outer cylinder (20), the front end of the inner cylinder (10) is provided with a raw material inlet (11), the rear end of the inner cylinder (10) is provided with a first outlet (12), the outer cylinder wall of the inner cylinder (10) is fixedly and hermetically connected with the front end opening of the outer cylinder (20), the outer cylinder wall of the inner cylinder (10) and the rear end opening of the outer cylinder (20) are dynamically sealed by a sealing ring, and a heating chamber (50) is formed between the inner cylinder (10) and, the rear end of the outer barrel (20) is provided with an interface as a heating medium inlet (51) of the heating chamber (50), the front end of the outer barrel (20) is provided with an interface as a heating medium outlet (52) of the heating chamber (50), the helical blades (31) are vertically provided with a plurality of stirring columns (32), the peripheral wall of the inner barrel (10) is provided with a helical flow deflector (60), the bottom end of the helical flow deflector (60) is provided with a plurality of rolling support units which are arranged at intervals, the bottom end of the helical flow deflector (60) forms a rolling type support fit in the barrel length direction through the rolling support units and the inner wall of the outer barrel (20), each rolling support unit comprises a limiting block (71) and a rolling shaft (72), the limiting block (71) is fixed at the bottom end of the helical flow deflector (60), the lower surface of the limiting block (71) is provided with a rectangular limiting groove, and the depth of the, the rolling shaft (72) can be limited between the groove walls of the two sides of the limiting groove in a rolling mode, the limiting block (71) and the inner wall of the outer barrel (20) are arranged at intervals, the rolling shaft (72) is abutted between the limiting groove and the inner wall of the outer barrel (20), the rolling shaft (72) can be abutted to the inner wall of the outer barrel (20) to achieve rolling in the barrel length direction, and the blade height of the middle section of the spiral blade (31) is smaller than that of the blades at the front section and the rear section.
2. The horizontal rotary core carbonization furnace for biomass as claimed in claim 1, wherein: the inner wall of the outer barrel (20) is attached with a heat insulation layer (80), a high-strength heat insulation block (91) is fixed on the inner wall of the outer barrel (20) opposite to each rolling support unit, a high-temperature wear-resistant layer (92) is attached to the inner surface of the high-strength heat insulation block (91), the high-strength heat insulation block (91) and the high-temperature wear-resistant layer (92) are embedded in the heat insulation layer (80), and the roller (72) rolls along the high-temperature wear-resistant layer (92) when rolling.
3. The horizontal rotary core carbonization furnace for biomass as claimed in claim 1, wherein: the cross-sectional area of the inner cylinder (10) decreases gradually from the front end to the rear end.
4. The horizontal rotary core carbonization furnace for biomass as claimed in claim 1, wherein: the stirring columns (32) are in a bar column shape, and the stirring columns (32) are uniformly arranged at intervals along the spiral edge of the spiral blade (31).
5. The horizontal rotary core carbonization furnace for biomass as claimed in claim 1, wherein: the cross sections of the inner cylinder (10) and the outer cylinder (20) are waist-shaped holes, and two parallel straight edges of the waist-shaped holes are parallel to each other in the vertical direction.
6. The horizontal rotary core carbonization furnace for biomass as claimed in claim 5, wherein: the rotary core pushing and twisting shaft (30) is two, the rotating directions of the spiral blades (31) of the two rotary core pushing and twisting shafts (30) are the same, the thread pitch of the spiral blades (31) is gradually reduced from the front end to the rear end, the rotary core pushing and twisting shaft (30) and the inner cylinder (10) are eccentrically arranged, and the central line of the rotary core pushing and twisting shaft (30) is located below the central line of the inner cylinder (10).
7. The horizontal rotary core carbonization furnace for biomass as claimed in claim 1, wherein: the outer cylinder (20) is formed by enclosing an upper half shell (21) and a lower half shell (22) in a flange connection mode, the upper half shell (21) is connected with the lower half shell (22) in a sealing mode through a sealing gasket in a sealing mode, the outer cylinder (20) is fixed in the supporting frame (100), the cross section of the supporting frame (100) is square, the supporting frame (100) is connected into a whole by the upper half frame (101) and the lower half frame (102) in a bolt connection mode, the upper half shell (21) is welded in the upper half frame (101), the lower half shell (22) is welded in the lower half frame (102), and the flange connection between the upper half shell (21) and the lower half shell (22) and the bolt connection between the upper half frame (101) and the lower half frame (102) share the same bolt (110).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116146985A (en) * | 2022-12-30 | 2023-05-23 | 沈阳农业大学 | Energy-saving and efficient recycling equipment for carbonization treatment of residues for vegetable processing |
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