An activated carbon carbonization rotary kiln

Abstract

The present invention relates to the technical field of carbonization rotary furnaces, specifically to an activated carbon carbonization rotary furnace, comprising: a rotary furnace drum, a drive seat, a coaxial drive assembly, an adjustment shaft disc and a stirring and guiding assembly, wherein the coaxial drive assembly is fixedly mounted on the surface of the drive seat for driving the rotary furnace drum to rotate, the adjustment shaft disc is rotatably mounted on one side of the inner cavity of the rotary furnace drum, and the coaxial drive assembly comprises a gear box, a transmission seat, and an outer sleeve and an inner shaft core rotatably mounted on one side of the gear box. In the present invention, by setting a new rotary stirring structure, the activated carbon inside the rotary furnace is guided by controlling the deflection angle of the guide strip under the drive of the adjustment shaft disc, and the activated carbon can be uniformly stirred by the reciprocating motion of the guide strip during the rotation of the rotary furnace drum, thereby ensuring uniform carbonization of the activated carbon and effectively avoiding the material sticking to the wall inside the rotary furnace drum and the siltation and blockage problem between adjacent guide strips.

Description

Technical Field

[0001] The invention relates to the technical field of carbonization rotary kilns, in particular to an activated carbon carbonization rotary kiln. Background Art

[0002] As a porous material, activated carbon is widely used in water treatment, air purification, metal recovery, medicine and other fields due to its large specific surface area and good adsorption performance. In the preparation process of activated carbon, carbonization and activation are the key steps, which directly affect the quality and performance of activated carbon.

[0003] Traditional carbonization rotary kilns are not good at stirring activated carbon. Due to the lack of an effective stirring mechanism, activated carbon cannot be stirred evenly during the carbonization process, resulting in uneven carbonization, which affects the quality and performance of activated carbon. In addition, the material is easy to adhere to the furnace wall or adjacent guide bars in the furnace, and even siltation and blockage occur, which not only affects the carbonization effect, but also increases energy consumption and maintenance costs.

[0004] Traditional carbonization rotary kilns also have limitations in terms of thermal dehydration efficiency. Activated carbon needs to undergo a dehydration step during the carbonization process, but traditional rotary kilns often lack effective airflow introduction and aeration output mechanisms. This leads to insufficient heat flow pumping in the gaps between activated carbon piles, and it is difficult to quickly export the water vapor in the activated carbon pile, thereby reducing the thermal dehydration efficiency of the activated carbon. This not only affects the carbonization speed, but may also affect the pore structure and adsorption properties of the activated carbon. Traditional carbonization rotary kilns guide materials through the forward and reverse rotation of the rotary kiln during the feeding and discharging process. At different stages of activated carbon carbonization, rapid switching of feeding and discharging is required. The forward and reverse switching of the motor requires a large motor load capacity, and the steering switch without stopping the machine is very likely to cause damage such as motor overload, which reduces the service life.

[0005] In view of this, research and improvement are carried out on the existing problems, and an activated carbon carbonization rotary kiln is provided to solve the current problems. The purpose is to solve the problems and improve the practical value through this technology. Summary of the invention

[0006] The present invention aims to solve one of the technical problems existing in the prior art or related technology.

[0007] To this end, the technical solution adopted by the present invention is: an activated carbon carbonization rotary furnace, comprising: a rotary furnace drum, a drive seat, a coaxial drive assembly, an adjusting shaft disk and a stirring and guiding assembly, wherein the coaxial drive assembly is fixedly mounted on the surface of the drive seat for driving the rotary furnace drum to rotate, the adjusting shaft disk is rotatably mounted on one side of the inner cavity of the rotary furnace drum, the coaxial drive assembly comprises a gear box, a transmission seat, and an outer sleeve and an inner shaft core rotatably mounted on one side of the gear box, a first drive motor and a second drive motor are fixedly connected to the surface of the transmission seat, a second transmission shaft and a first transmission shaft are rotatably mounted on the inner side of the gear box to transmit and rotate respectively at the end of the outer sleeve and the end of the inner shaft core, and the output ends of the first drive motor and the second drive motor are respectively transmission-connected to the ends of the second transmission shaft and the first transmission shaft;

[0008] The adjusting shaft disk includes a driving disk, a shaft disk seat and a shaft ear rotatably mounted on the inner side of the shaft disk seat, the inner side of the shaft disk seat is provided with a shaft pin rotatably connected to the surface of the shaft ear, a driving rod is movably mounted on the surface of the driving disk, a connecting rod is fixedly mounted on the surface of the shaft ear, the output end of the driving rod is movably connected to the surface of the connecting rod, a ball head connecting ear is provided on the surface of the shaft ear, the stirring and guiding assembly includes a connecting tube and a guiding strip, a plurality of connecting balls are provided on the surface of the connecting tube, the guiding strip is movably sleeved on the surface of the connecting ball, one end of the connecting tube is connected to an air pump for airflow input, and a plurality of air outlet holes are provided on the surface of the guiding strip.

[0009] In a preferred example, the present invention can be further configured as follows: the outer sleeve is rotatably sleeved on the inner side of the inner shaft core, the ends of the outer sleeve and the inner shaft core are fixedly connected to the surface of the rotary furnace drum and the surface of the adjusting shaft disk respectively, and the outer sleeve, the inner shaft core, the rotary furnace drum and the adjusting shaft disk are coaxially arranged.

[0010] In a preferred example, the present invention can be further configured as follows: the shaft ears and the connecting tubes are the same in number and are arranged one-to-one, the ends of the shaft ears are movably connected to the surface of the connecting tubes through ball head connecting ears, the connection point between the connecting deflector rod and the driving rod deviates from the center of the driving rod, and the surfaces of the driving disk and the shaft disk seat are fixedly connected and have a cross-shaped structure.

[0011] In a preferred example, the present invention can be further configured as follows: the guide bars are arc-shaped and there are a number of guide bars, the guide bars are divided into a plurality of groups, the number of guide bars is the same as the number of connecting balls, each group of guide bars is arranged in a straight line on the inner side of the rotary furnace drum and is in sliding contact with the inner wall of the rotary furnace drum, and the guide bars of each group are evenly distributed in a circumferential direction.

[0012] In a preferred example, the present invention can be further configured as follows: the inner sides of the linkage tube and the material guide strip are both provided with cavities and are interconnected, and the interior of the material guide strip is provided with a flow channel that is connected to the connecting ball and the air outlet.

[0013] In a preferred example, the present invention can be further configured as follows: a slip ring movably connected to the end of the linkage pipe is provided on one side of the inner cavity of the rotary furnace drum, and the slip ring is used to input the air flow of the air pump into the interior of the linkage pipe.

[0014] In a preferred example, the present invention can be further configured as follows: the surface of the guide strip is provided with a spherical groove for connecting with a connecting ball, and the surface of the connecting ball is provided with a guide hole for connecting the inner cavity of the linkage tube with the inner cavity of the guide strip.

[0015] In a preferred example, the present invention can be further configured as follows: the surface of the guide bar is provided with a rotating pin slidably connected to the inner wall of the rotary furnace drum, the connecting ball is a double-rod structure arranged in parallel, and the connection points of the double rods and the surface of the guide bar are located on both sides of the rotating pin of the guide bar

[0016] The beneficial effects achieved by the present invention are:

[0017] 1. In the present invention, by setting a new rotary stirring structure, the activated carbon inside the rotary furnace is guided by controlling the deflection angle of the guide bar under the drive of the adjusting shaft disk, and the activated carbon can be uniformly stirred by the reciprocating deflection motion of the guide bar in the rotary furnace drum, thereby ensuring uniform carbonization of the activated carbon and effectively avoiding the material sticking to the wall inside the rotary furnace drum and the siltation and blockage problem between adjacent guide bars.

[0018] 2. In the present invention, a cavity-type guide strip structure is used to introduce airflow under the connection of a linkage pipe, and the guide strip performs aeration output, thereby increasing the heat flow movement in the gaps between the activated carbon piles through the airflow, and quickly extracting the water vapor in the activated carbon piles, thereby effectively improving the thermal dehydration efficiency of the activated carbon.

[0019] 3. In the present invention, at different stages of activated carbon carbonization, the drive rod drives the shaft ear to deflect and then links the guide strip to deflect, forming positive spiral guide and reverse spiral guide, which is convenient for feeding and material discharge, with simple structure and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0021] Figure 2 A schematic diagram of the cross-sectional structure of a coaxial drive assembly according to an embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of an adjusting shaft disc and a stirring and guiding assembly according to an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the exploded structure of an adjusting shaft disc according to an embodiment of the present invention;

[0024] Figure 5 This is a schematic structural diagram of a stirring and material guiding assembly according to an embodiment of the present invention;

[0025] Figure 6 It is a schematic diagram of the partial structure of a stirring and material guiding assembly according to an embodiment of the present invention;

[0026] Figure 7 Schematic diagram of three states of a stirring and material guiding component according to an embodiment of the present invention.

[0027] Reference numerals:

[0028] 100. Rotary furnace drum; 110. Driving seat;

[0029] 200, coaxial drive assembly; 210, gear box; 220, transmission seat; 230, first drive motor; 240, second drive motor; 250, outer sleeve; 260, inner shaft core; 211, first transmission shaft; 212, second transmission shaft;

[0030] 300, adjusting shaft disc; 310, driving disc; 320, shaft disc seat; 330, shaft ear; 340, driving rod; 321, shaft pin; 331, ball head connecting ear; 332, linkage deflection rod;

[0031] 400, stirring and guiding assembly; 410, connecting pipe; 420, guiding bar; 430, air outlet; 411, connecting ball. DETAILED DESCRIPTION

[0032] To make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below in combination with specific implementations and with reference to the accompanying drawings. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0033] It is to be understood that these descriptions are exemplary only and are not intended to limit the scope of the invention.

[0034] An activated carbon carbonization rotary kiln provided by some embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0035] Combination Figures 1 to 7As shown, an activated carbon carbonization rotary furnace provided by the present invention comprises: a rotary furnace drum 100, a drive seat 110, a coaxial drive assembly 200, an adjusting shaft disc 300 and a stirring and guiding assembly 400, wherein the coaxial drive assembly 200 is fixedly mounted on the surface of the drive seat 110 for driving the rotary furnace drum 100 to rotate, the adjusting shaft disc 300 is rotatably mounted on one side of the inner cavity of the rotary furnace drum 100, the coaxial drive assembly 200 comprises a gear box 210, a transmission seat 220, and an outer shaft sleeve 250 and an inner shaft core 260 rotatably mounted on one side of the gear box 210, a first drive motor 230 and a second drive motor 240 are fixedly connected to the surface of the transmission seat 220, a second drive shaft 212 and a first drive shaft 211 which are respectively driven and rotated at the ends of the outer shaft sleeve 250 and the ends of the inner shaft core 260 are rotatably mounted on the inner side of the gear box 210, and the output ends of the first drive motor 230 and the second drive motor 240 are respectively driven and connected to the ends of the second drive shaft 212 and the first drive shaft 211;

[0036] The adjusting shaft disk 300 includes a driving disk 310, a shaft disk seat 320 and an axle ear 330 rotatably mounted on the inner side of the shaft disk seat 320, the inner side of the shaft disk seat 320 is provided with an axle pin 321 rotatably connected to the surface of the axle ear 330, a driving rod 340 is movably mounted on the surface of the driving disk 310, a linkage deflection rod 332 is fixedly mounted on the surface of the axle ear 330, the output end of the driving rod 340 is movably connected to the surface of the linkage deflection rod 332, a ball head connecting ear 331 is provided on the surface of the axle ear 330, the stirring and guiding assembly 400 includes a linkage tube 410 and a guiding strip 420, a plurality of connecting balls 411 are provided on the surface of the linkage tube 410, the guiding strip 420 is movably sleeved on the surface of the connecting ball 411, one end of the linkage tube 410 is connected to an air pump for airflow input, and a plurality of air outlet holes 430 are opened on the surface of the guiding strip 420.

[0037] In this embodiment, the outer sleeve 250 is rotatably sleeved on the inner side of the inner shaft core 260, and the ends of the outer sleeve 250 and the inner shaft core 260 are fixedly connected to the surface of the rotary furnace drum 100 and the surface of the adjusting shaft disk 300 respectively, and the outer sleeve 250, the inner shaft core 260, the rotary furnace drum 100 and the adjusting shaft disk 300 are coaxially arranged.

[0038] In this embodiment, the number of shaft ears 330 and the connecting tube 410 are the same and they are arranged one by one. The end of the shaft ear 330 is movably connected to the surface of the connecting tube 410 through the ball head connecting ear 331. The connection point between the connecting deflection rod 332 and the driving rod 340 deviates from the center of the driving rod 340. The surface of the driving disk 310 and the shaft disk seat 320 are fixedly connected and have a cross-shaped structure.

[0039] Specifically, a plurality of driving rods 340 are used to drive each axial ear 330 to deflect and tilt the guide strip 420 to form an angle with the axial direction of the rotary furnace drum 100, and then a plurality of guide strips 420 are combined to form a spiral arrangement to achieve the guiding movement of the material on the surface of the guide strip 420.

[0040] In this embodiment, the material guide strips 420 are in the shape of arc strips and there are a plurality of material guide strips 420, which are divided into a plurality of groups. The number of groups of material guide strips 420 is the same as the number of connecting balls 411. Each group of material guide strips 420 is arranged in a straight line on the inner side of the rotary furnace drum 100 and is in sliding contact with the inner wall of the rotary furnace drum 100. The material guide strips 420 of each group are evenly distributed in a circumferential direction.

[0041] Specifically, the reciprocating motion of the guide bars 420 during the rotation of the rotary furnace drum 100 enables uniform stirring of the activated carbon, thereby ensuring uniform carbonization of the activated carbon.

[0042] In this embodiment, cavities are provided inside the linkage tube 410 and the material guide strip 420 and are interconnected. A flow channel connected to the connection ball 411 and the air outlet 430 is provided inside the material guide strip 420 .

[0043] In this embodiment, a slip ring movably connected to the end of the linkage tube 410 is provided on one side of the inner cavity of the rotary furnace drum 100 , and the slip ring is used to input the air flow of the air pump into the interior of the linkage tube 410 .

[0044] Furthermore, a spherical groove for connecting with the connecting ball 411 is provided on the surface of the material guide strip 420 , and a guide hole for connecting the inner cavity of the linkage tube 410 with the inner cavity of the material guide strip 420 is provided on the surface of the connecting ball 411 .

[0045] Specifically, under the rotation of the stirring and guiding assembly 400, the air pump airflow is input into the interior of the connecting pipe 410 through the slip ring structure, and the connecting pipe 410 and the guiding strip 420 are connected through the connecting ball 411. The air is exhausted through the air outlet 430, and the guiding strip 420 performs aeration output to improve the heat flow pumping in the gap between the activated carbon piles, and the water vapor in the activated carbon piles is quickly discharged, thereby effectively improving the thermal dehydration efficiency of the activated carbon.

[0046] The working principle and use process of the present invention:

[0047] When the activated carbon carbonization rotary kiln is used, it is driven by the first driving motor 230, and the outer shaft sleeve 250 is rotated under the transmission of the second transmission shaft 212, and the rotary furnace drum 100 is driven to rotate on the surface of the driving seat 110 to perform a rotary motion and heat the internal activated carbon to carbonize; during the feeding operation, the driving shaft ear 330 is deflected by extending the driving rod 340, and then the multiple guide bars 420 are linked to deflect on the inside of the rotary furnace drum 100 through the linkage pipe 410, forming an angle with the axial direction of the rotary furnace drum 100, so that the multiple guide bars 420 are combined to form a spiral arrangement and the materials are turned over during the rotation of the rotary furnace drum 100, so that the materials are guided by the guide bars 420 to enter the inside of the rotary furnace drum 100;

[0048] During the carbonization process, the second driving motor 240 can be used to drive the adjusting shaft disc 300 and the stirring and guiding assembly 400 to move inside the rotary furnace drum 100 under the transmission of the first transmission shaft 211 and the inner shaft core 260, and rotate in the opposite direction relative to the rotation of the rotary furnace drum 100, and turn and stir the material movement inside the rotary furnace drum 100, so that the material is evenly heated and carbonized inside the rotary furnace drum 100. At the same time, the cavity-type guiding strip 420 structure is used to introduce air flow under the connection of the linkage pipe 410, and the guiding strip 420 performs aeration output to improve the heat flow pumping in the gap between the activated carbon piles, and the water vapor in the activated carbon piles is quickly discharged, which effectively improves the thermal dehydration efficiency of the activated carbon;

[0049] At different stages of activated carbon carbonization, the drive rod 340 drives the shaft ear 330 to deflect and then links the guide strip 420 to deflect, forming positive spiral guide and reverse spiral guide, which is convenient for feeding and material discharge, and has a simple structure and stable operation.

[0050] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0051] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An activated carbon carbonization rotary kiln, characterized in that: include: A rotary furnace drum (100), a drive seat (110), a coaxial drive assembly (200), an adjustment shaft disc (300) and a stirring and guiding assembly (400), wherein the coaxial drive assembly (200) is fixedly mounted on the surface of the drive seat (110) and is used to drive the rotary furnace drum (100) to rotate, and the adjustment shaft disc (300) is rotatably mounted on one side of the inner cavity of the rotary furnace drum (100). The adjusting shaft disc (300) comprises a driving disc (310), a shaft disc seat (320), and a shaft ear (330) rotatably mounted on the inner side of the shaft disc seat (320); a shaft pin (321) rotatably connected to the surface of the shaft ear (330) is provided on the inner side of the shaft disc seat (320); a driving rod (340) is movably mounted on the surface of the driving disc (310); a linkage bias rod (332) is fixedly mounted on the surface of the shaft ear (330); an output end of the driving rod (340) is movably connected to the surface of the linkage bias rod (332); a ball head connecting ear (331) is provided on the surface of the shaft ear (330); The stirring and guiding assembly (400) comprises a linkage tube (410) and a guiding strip (420); a plurality of connecting balls (411) are provided on the surface of the linkage tube (410); the guiding strip (420) is movably sleeved on the surface of the connecting balls (411); one end of the linkage tube (410) is connected to an air pump for airflow input; and a plurality of air outlet holes (430) are provided on the surface of the guiding strip (420).

2. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: The coaxial drive assembly (200) comprises a gear box (210), a transmission seat (220), and an outer shaft sleeve (250) and an inner shaft core (260) rotatably mounted on one side of the gear box (210); a first drive motor (230) and a second drive motor (240) are fixedly connected to the surface of the transmission seat (220); a second drive shaft (212) and a first drive shaft (211) are rotatably mounted on the inner side of the gear box (210) and are respectively rotatably mounted on the end of the outer shaft sleeve (250) and the end of the inner shaft core (260); and output ends of the first drive motor (230) and the second drive motor (240) are respectively rotatably connected to the ends of the second drive shaft (212) and the first drive shaft (211).

3. The activated carbon carbonization rotary kiln according to claim 2, characterized in that: The outer shaft sleeve (250) is rotatably sleeved on the inner side of the inner shaft core (260), and the ends of the outer shaft sleeve (250) and the inner shaft core (260) are fixedly connected to the surface of the rotary furnace drum (100) and the surface of the adjustment shaft disk (300), respectively, and the outer shaft sleeve (250), the inner shaft core (260), the rotary furnace drum (100) and the adjustment shaft disk (300) are coaxially arranged.

4. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: The shaft ears (330) and the linkage tube (410) are of the same number and are arranged in one-to-one correspondence; the ends of the shaft ears (330) are movably connected to the surface of the linkage tube (410) via ball head connecting ears (331); the connection point between the linkage deflection rod (332) and the driving rod (340) deviates from the center of the driving rod (340); and the surfaces of the driving disc (310) and the shaft disc seat (320) are fixedly connected and present a cross-shaped structure.

5. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: The material guide bars (420) are in the shape of arc strips and there are a plurality of material guide bars (420), the plurality of material guide bars (420) are evenly divided into a plurality of groups, the number of groups of material guide bars (420) is the same as the number of connecting balls (411), each group of material guide bars (420) is arranged in a straight line on the inner side of the rotary furnace drum (100) and is in sliding contact with the inner wall of the rotary furnace drum (100), and each group of material guide bars (420) is evenly distributed in a circumferential direction.

6. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: The inner sides of the linkage tube (410) and the material guide strip (420) are both provided with cavities and are interconnected. The inner side of the material guide strip (420) is provided with a flow channel that is connected to the connection ball (411) and the air outlet hole (430).

7. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: A slip ring movably connected to the end of the interlocking tube (410) is provided on one side of the inner cavity of the rotary furnace drum (100), and the slip ring is used to input air pump airflow into the interior of the interlocking tube (410).

8. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: The surface of the material guide strip (420) is provided with a spherical groove for connecting with the connecting ball (411), and the surface of the connecting ball (411) is provided with a guide hole for connecting the inner cavity of the linkage tube (410) and the inner cavity of the material guide strip (420).

9. The activated carbon carbonization rotary kiln according to claim 1, characterized in that: The surface of the material guide bar (420) is provided with a rotating pin slidably connected to the inner wall of the rotary furnace drum (100); the connecting ball (411) is a double-rod structure arranged in parallel, and the connection points between the double-rods and the surface of the material guide bar (420) are located on both sides of the rotating pin of the material guide bar (420).

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