Activated carbon production device of rotary kiln

Abstract

The utility model discloses a rotary kiln activated carbon production device, which relates to the technical field of activated carbon production and comprises a bottom plate, a pair of support blocks fixedly arranged on the bottom plate, a pair of guide wheels rotatably arranged on each support block, a kiln body arranged on the guide wheels, a protective shell fixedly arranged on the bottom plate, and a protective cover rotatably arranged on the protective shell. A handle is fixedly arranged on the front side of the protective cover, and a lower heat insulation layer is fixedly arranged in the protective shell. Through cooperative use of the protective shell, the protective cover, the lower heat insulation layer, the upper heat insulation layer, the lower U-shaped heat insulation frame, the upper U-shaped heat insulation frame and the vacuum layer, when the kiln body is heated, heat can be effectively isolated, heat loss is prevented, and the ambient temperature is reduced; and when materials are continuously added into the kiln body, the feeding amount can be controlled, and uneven heating caused by excessive raw material adding is prevented.

Description

Technical Field

[0001] The utility model relates to the field of activated carbon production, in particular to a rotary kiln activated carbon production device. Background Art

[0002] Activated carbon is a porous artificial carbon adsorbent made by carbonizing and activating carbon-containing substances. It has a developed pore structure and a huge specific surface area, and can be used as an adsorbent, catalyst and catalyst carrier. The raw material is dried at a temperature of 170℃ to 600℃ to carbonize 80% of its organic tissue.

[0003] When the traditional activated carbon rotary kiln is heated, the temperature of the kiln wall is high, which has a great impact on the surrounding environment. Workers cannot even get close to it, which affects the safety of operation. In addition, when the rotary kiln is heating the raw materials, the amount of raw materials injected cannot be controlled. A large amount can easily cause uneven heating during rotation, resulting in unqualified activated carbon. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a rotary kiln activated carbon production device.

[0005] In order to solve the problems existing in the prior art, the utility model adopts the following technical solutions:

[0006] A rotary kiln activated carbon production device comprises a bottom plate, characterized in that: a pair of support blocks are fixedly provided on the bottom plate, a pair of guide wheels are rotatably provided on the support blocks, a kiln body is provided on the guide wheels, a protective shell is fixedly provided on the bottom plate, a protective cover is rotatably provided on the protective shell, a handle is fixedly provided on the front side of the protective cover, a lower insulation layer is fixedly provided inside the protective shell, an upper insulation layer is fixedly provided inside the protective cover, a lower U-shaped insulation frame is embedded in the lower insulation layer, an upper U-shaped insulation frame is embedded in the upper insulation layer, vacuum layers are provided in the upper U-shaped insulation frame and the lower U-shaped insulation frame, a heating coil is fixedly provided on the lower U-shaped insulation frame, a gear ring is fixedly provided at one end of the kiln body, a first motor is fixedly provided on the bottom plate, a gear is fixedly provided at the output end of the first motor, and the gear is meshed with the gear ring.

[0007] Preferably, a plurality of support columns are fixedly provided on the base plate, a feeding hopper is fixedly provided on the plurality of support columns, a discharge pipe is fixedly provided at the bottom of the feeding hopper, a second motor is fixedly provided inside the feeding hopper, a transmission rod is fixedly provided at the output end of the second motor, and an auger is fixedly provided at the other end of the transmission rod.

[0008] Preferably, the kiln body is located in the middle of the spot heating coil, one end of the kiln body is a feeding port, and the other end is a discharging port, and the gear ring is located at the feeding port end of the kiln body.

[0009] Preferably, the kiln body passes through the heating coil, and the kiln body is in contact with the upper insulation layer and the lower insulation layer.

[0010] Preferably, a lower insulation layer is sandwiched between the upper U-shaped insulation frame and the lower U-shaped insulation frame, and the kiln body is inclined from the feeding port to the unloading port.

[0011] Preferably, the auger is located in the feed pipe, and the auger is in contact with the inner wall of the feed pipe.

[0012] Preferably, the top of the second motor is hemispherical, and the second motor is located in the center of the feeding hopper.

[0013] Preferably, one end of the feed pipe is located in the feed port of the kiln body, and the plurality of support columns are distributed in a rectangular row.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, by using the protective shell, the protective cover, the lower insulation layer, the upper insulation layer, the lower U-shaped insulation frame, the upper U-shaped insulation frame and the vacuum layer in combination, when heating the kiln body, the heat can be effectively isolated to prevent heat loss, reduce the surrounding temperature and reduce the impact on operational safety;

[0016] 2. In the utility model, by using the feeding hopper, the feeding pipe, the second motor, the transmission rod and the auger in coordination, the feeding amount can be controlled when continuously feeding the kiln body to prevent uneven heating caused by excessive addition of raw materials and reduce the occurrence of unqualified activated carbon. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a schematic cross-sectional view of the charging hopper of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the protective shell of the utility model;

[0021] Figure 4 This is a schematic diagram of the position relationship between the gear ring and the gear of the utility model;

[0022] Serial numbers in the figure: 1. bottom plate; 11. support block; 12. guide wheel; 13. kiln body; 14. protective shell; 15. protective cover; 16. handle; 17. lower insulation layer; 18. upper insulation layer; 19. lower U-shaped insulation frame; 111. upper U-shaped insulation frame; 112. vacuum layer; 113. heating coil; 114. gear ring; 115. first motor; 116. gear; 2. support column; 21. feeding hopper; 22. discharge pipe; 23. second motor; 24. transmission rod; 25. auger. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1: This example provides a rotary kiln activated carbon production device, see Figure 1-4 Specifically, it includes a bottom plate 1, on which a pair of support blocks 11 are fixedly provided, on which a pair of guide wheels 12 are rotatably provided, on which a kiln body 13 is provided, a protective shell 14 is fixedly provided on the bottom plate 1, on which a protective cover 15 is rotatably provided, a handle 16 is fixedly provided on the front side of the protective cover 15, a lower insulation layer 17 is fixedly provided inside the protective shell 14, an upper insulation layer 18 is fixedly provided inside the protective cover 15, a lower U-shaped insulation frame 19 is embedded in the lower insulation layer 17, an upper U-shaped insulation frame 111 is embedded in the upper insulation layer 18, vacuum layers 112 are provided in the upper U-shaped insulation frame 111 and the lower U-shaped insulation frame 19, a heating coil 113 is fixedly provided on the lower U-shaped insulation frame 19, a gear ring 114 is fixedly provided at one end of the kiln body 13, a first motor 115 is fixedly provided on the bottom plate 1, a gear 116 is fixedly provided at the output end of the first motor 115, and the gear 116 is meshed with the gear ring 114;

[0025] The kiln body 13 is located in the middle of the point heating coil 113, one end of the kiln body 13 is a feeding port, and the other end is a discharging port. The gear ring 114 is located at the feeding port end of the kiln body 13, and the kiln body 13 passes through the heating coil 113. The kiln body 13 is in contact with the upper insulation layer 18 and the lower insulation layer 17. The lower insulation layer 17 is sandwiched between the upper U-shaped insulation frame 111 and the lower U-shaped insulation frame 19, and the kiln body 13 is inclined from the feeding port to the discharging port.

[0026] In the specific implementation process, Figure 2 and Figure 3As shown, when the activated carbon is produced, the first motor 115 drives the gear 116 to rotate, and the gear 116 drives the kiln body 13 to rotate through the gear ring 114. The heating coil 113 is energized to generate heat through high resistance to heat the outer wall of the kiln body 13, and the raw materials in the kiln body 13 are heated through heat transfer. When the kiln body 13 is heated, the lower U-shaped insulation frame 19 and the upper U-shaped insulation frame 111 form a closed cavity to prevent the surrounding environment from being heated, and the vacuum layer 112 blocks the internal heat transfer to prevent To stop the transfer of heat, the upper insulation layer 18 and the lower insulation layer 17 will seal the joint to further prevent the transfer of heat, so that the outside of the protective shell 14 will not feel heat. During maintenance, the protective cover 15 can also be opened to inspect the inside. Through the coordinated use of the protective shell 14, the protective cover 15, the lower insulation layer 17, the upper insulation layer 18, the lower U-shaped insulation frame 19, the upper U-shaped insulation frame 111 and the vacuum layer 112, when the kiln body 13 is heated, the heat can be effectively isolated to prevent heat loss and reduce the surrounding temperature.

[0027] Embodiment 2: In embodiment 1, there is still a problem that the amount of raw material injected cannot be controlled. Therefore, based on embodiment 1, this embodiment also includes:

[0028] A plurality of support columns 2 are fixedly provided on the bottom plate 1, a feeding hopper 21 is fixedly provided on the plurality of support columns 2, a feeding tube 22 is fixedly provided at the bottom of the feeding hopper 21, a second motor 23 is fixedly provided in the feeding hopper 21, a transmission rod 24 is fixedly provided at the output end of the second motor 23, an auger 25 is fixedly provided at the other end of the transmission rod 24, the auger 25 is located in the feeding tube 22, the auger 25 is fitted with the inner wall of the feeding tube 22, the top of the second motor 23 is hemispherical, the second motor 23 is located in the center of the feeding hopper 21, one end of the feeding tube 22 is located in the feeding port of the kiln body 13, and a plurality of support columns 2 are distributed in a rectangular row.

[0029] In the specific implementation process, Figure 1 and Figure 2 As shown, the raw materials are poured into the feeding hopper 21. When the kiln body 13 is heated to the required temperature, the second motor 23 drives the auger 25 to rotate through the transmission rod 24. The raw materials in the feeding hopper 21 fall evenly and slowly into the discharge pipe 22 through the rotation of the auger 25, and roll into the kiln body 13 by gravity for carbonization treatment. Through the coordinated use of the feeding hopper 21, the discharge pipe 22, the second motor 23, the transmission rod 24 and the auger 25, the feeding amount can be controlled when the kiln body 13 is continuously fed with materials to prevent uneven heating due to excessive addition of raw materials.

[0030] Specifically, the working principle and operation method of the utility model are as follows:

[0031] Step 1, when producing activated carbon, start the first motor 115, the first motor 115 drives the gear 116 to rotate, the gear 116 drives the kiln body 13 to rotate through the gear ring 114, the heating coil 113 is energized, and heat is generated through high resistance to heat the outer wall of the kiln body 13, and the raw materials inside the kiln body 13 are heated through heat transfer. When the kiln body 13 is heated, the lower U-shaped insulation frame 19 and the upper U-shaped insulation frame 111 form a closed cavity to prevent heating of the surrounding environment, and the vacuum layer 112 blocks the internal heat transfer to prevent the transfer of heat. The upper insulation layer 18 and the lower insulation layer 17 seal the connection to further prevent the transfer of heat, so that the outside of the protective shell 14 will not feel heat, and the protective cover 15 can also be opened to inspect the inside during maintenance;

[0032] Step 2: Pour the raw materials into the hopper 21. When the kiln body 13 is heated to the required temperature, start the second motor 23. The second motor 23 drives the auger 25 to rotate through the transmission rod 24. The raw materials in the hopper 21 fall into the discharge pipe 22 evenly and slowly through the rotation of the auger 25, and roll into the kiln body 13 for carbonization treatment by gravity. The discharge speed and quantity of the raw materials can be affected by adjusting the rotation speed of the second motor 23.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A rotary kiln activated carbon production device, comprising a bottom plate (1), characterized in that: A pair of support blocks (11) are fixedly provided on the bottom plate (1), a pair of guide wheels (12) are rotatably provided on each of the support blocks (11), a kiln body (13) is provided on the guide wheels (12), a protective shell (14) is fixedly provided on the bottom plate (1), a protective cover (15) is rotatably provided on the protective shell (14), a handle (16) is fixedly provided on the front side of the protective cover (15), a lower heat insulation layer (17) is fixedly provided inside the protective shell (14), an upper heat insulation layer (18) is fixedly provided inside the protective cover (15), and a lower heat insulation layer (17) is embedded in the lower heat insulation layer (17). A lower U-shaped thermal insulation frame (19), an upper U-shaped thermal insulation frame (111) is embedded in the upper thermal insulation layer (18), a vacuum layer (112) is provided in both the upper U-shaped thermal insulation frame (111) and the lower U-shaped thermal insulation frame (19), a heating coil (113) is fixedly provided on the lower U-shaped thermal insulation frame (19), a gear ring (114) is fixedly provided at one end of the kiln body (13), a first motor (115) is fixedly provided on the bottom plate (1), a gear (116) is fixedly provided at the output end of the first motor (115), and the gear (116) is meshed with the gear ring (114).

2. A rotary kiln activated carbon production device according to claim 1, characterized in that: A plurality of support columns (2) are fixedly provided on the bottom plate (1), a feeding hopper (21) is fixedly provided on the plurality of support columns (2), a feeding pipe (22) is fixedly provided at the bottom of the feeding hopper (21), a second motor (23) is fixedly provided inside the feeding hopper (21), a transmission rod (24) is fixedly provided at the output end of the second motor (23), and an auger (25) is fixedly provided at the other end of the transmission rod (24).

3. A rotary kiln activated carbon production device according to claim 1, characterized in that: The kiln body (13) is located in the middle of the spot heating coil (113), one end of the kiln body (13) is a feeding port, and the other end is a discharging port, and the gear ring (114) is located at the feeding port end of the kiln body (13).

4. A rotary kiln activated carbon production device according to claim 1, characterized in that: The kiln body (13) passes through the heating coil (113), and the kiln body (13) is in contact with the upper heat insulation layer (18) and the lower heat insulation layer (17).

5. The rotary kiln activated carbon production device according to claim 1, characterized in that: A lower insulation layer (17) is sandwiched between the upper U-shaped insulation frame (111) and the lower U-shaped insulation frame (19), and the kiln body (13) is inclined from the feeding port to the discharging port.

6. A rotary kiln activated carbon production device according to claim 2, characterized in that: The auger (25) is located in the feed tube (22), and the auger (25) is in contact with the inner wall of the feed tube (22).

7. The rotary kiln activated carbon production device according to claim 2, characterized in that: The top of the second motor (23) is hemispherical, and the second motor (23) is located at the center of the feeding hopper (21).

8. The rotary kiln activated carbon production device according to claim 2, characterized in that: One end of the feed pipe (22) is located in the feed port of the kiln body (13), and the plurality of support columns (2) are arranged in a rectangular row.

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