Waste oil regeneration reaction device

Abstract

The invention discloses a waste oil regeneration reaction device, and relates to the technical field of waste oil regeneration, the waste oil regeneration reaction device comprises a reaction kettle, the upper end of the side wall of the reaction kettle is provided with a feed pipe, the lower end of the side wall of the reaction kettle is provided with a discharge pipe, and the reaction kettle is internally provided with a plurality of catalyst placing frames; a conveying branch pipe is vertically mounted in the center of the catalyst placing frame, and a plurality of spraying holes are formed in the side wall of the conveying branch pipe in the catalyst placing frame. Waste oil in the reaction kettle is stirred through the conveying pipe, the main conveying pipe, the branch conveying pipes and the catalyst containing frame, meanwhile, a catalyst and hydrogen move along with the waste oil, the contact efficiency of the waste oil, the hydrogen and the catalyst can be improved, and the regeneration reaction efficiency of the waste oil is improved; and the catalyst in the catalyst placing frame is turned over by the two spiral blades, and the turning directions are opposite, so that the utilization efficiency of the catalyst can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of waste oil regeneration, in particular to a waste oil regeneration reaction device. Background Art

[0002] Waste oil hydrogenation is a process that uses high temperature, high pressure and catalysts to make compounds in waste oil react with hydrogen to remove harmful components and improve oil quality. Waste oil hydrogenation is mainly used in the regeneration of lubricating oil and frying waste oil.

[0003] The existing waste oil hydrogenation reaction device directly mixes the waste oil with hydrogen and adds it to the reactor with the catalyst for reaction. Since there is no turning device to turn the catalyst, it is easy to cause uneven use of the catalyst, resulting in insufficient use of the catalyst and waste of the catalyst. At the same time, the waste oil and hydrogen are easy to mix unevenly, affecting the regeneration reaction of the waste oil.

[0004] In view of the above problems, an improved waste oil regeneration reaction device is now designed. Summary of the invention

[0005] The object of the present invention is to provide a waste oil regeneration reaction device to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A waste oil regeneration reaction device comprises a reactor, wherein a feed pipe is installed at the upper end of the side wall of the reactor, a discharge pipe is installed at the lower end of the side wall of the reactor, a fixed column is vertically installed at the center position of the bottom of the reactor, a plurality of catalyst placement frames are arranged inside the reactor, and the plurality of catalyst placement frames are arranged in a circular array around the center position of the reactor, a delivery branch pipe for delivering hydrogen is vertically installed at the center position of the catalyst placement frame, a plurality of spray holes are opened on the side wall of the delivery branch pipe inside the catalyst placement frame, a delivery mechanism for delivering hydrogen to the delivery branch pipe is arranged at the upper end of the reactor, a rotating mechanism for rotating the catalyst placement frame and the delivery branch pipe is arranged on the reactor, a flipping mechanism for flipping the catalyst is arranged inside the catalyst placement frame, and a supporting mechanism for supporting the catalyst placement frame is arranged at the bottom of the reactor.

[0008] As a further solution of the present invention: the conveying mechanism includes a hydrogen generator and a rotary joint, a conveying pipe is vertically arranged at the center position of the upper end of the reactor, the conveying pipe is rotatably connected to the center position of the upper end of the reactor, the lower end of the conveying pipe passes through the top of the reactor and a conveying main pipe is horizontally installed, the upper ends of the conveying branch pipes are connected to the conveying main pipe, the conveying branch pipes, the conveying main pipe and the conveying pipes are interconnected, the hydrogen generator is installed at the upper end of the reactor, the output end of the hydrogen generator is installed with an output pipe, and the end of the output pipe away from the hydrogen generator is connected to the input end of the conveying pipe through a rotary joint.

[0009] As a further solution of the present invention: the connection points of the delivery branch pipe, the delivery main pipe and the delivery pipe are all provided with triangular supporting ribs for improving the firmness of the connection.

[0010] As a further solution of the present invention: the rotating mechanism includes a motor, a third gear is installed on the side wall of the conveying pipe between the upper end of the reactor and the rotating joint, the motor is installed on the upper end of the reactor, and a fourth gear is installed on the output end of the motor, and the fourth gear is meshed with the third gear.

[0011] As a further solution of the present invention: the lower end of the delivery branch pipe passes through the catalyst placement frame and is equipped with a disturbance plate for moving the waste oil at the bottom of the reactor upward.

[0012] As a further solution of the present invention: the flipping mechanism includes two rotating rods, and the two rotating rods are symmetrically arranged inside the catalyst placement frame on both sides of the conveying branch pipe, and spiral blades for flipping the catalyst are installed on the side walls of the rotating rods, and the spiral blades on both sides of the conveying branch pipe flip the catalyst in opposite directions, the lower end of the rotating rod is rotatably connected to the bottom of the catalyst placement frame, and the upper end of the rotating rod is passed through the catalyst placement frame and a speed regulating box is installed, and a speed regulating box input shaft is installed at the input end of the speed regulating box, and a first gear is installed on the side wall of the speed regulating box input shaft, and a second gear meshing with the first gear close to the fixed column is installed on the upper end of the side wall of the fixed column, and a gear ring meshing with the first gear away from the fixed column is installed on the inner wall of the reactor above the feed pipe.

[0013] As a further solution of the present invention: the corners of the spiral blades are configured as rounded corners to avoid catalyst breakage.

[0014] As a further solution of the present invention: the supporting mechanism includes a first limit rotating frame, which is installed at the lower end of the inner wall of the reactor, and a first rotating ring is rotatably connected to the inner wall of the first limit rotating frame, a second limit rotating frame is installed at the lower end of the side wall of the fixed column, and a second rotating ring is rotatably connected to the inner wall of the second limit rotating frame, and support rods are installed at the lower ends of the side walls of the catalyst placement frame close to the first rotating ring and the second rotating ring, and the ends of the support rods away from the catalyst placement frame are respectively installed on the second rotating ring and the first rotating ring.

[0015] As a further solution of the present invention: reinforcing ribs for improving structural strength are installed on the support rods and the side walls of the reactor.

[0016] As a further solution of the present invention: a conical block is installed at the bottom of the reactor to facilitate the discharge of the oil after the reaction through the discharge pipe.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention stirs the waste oil in the reactor through a delivery pipe, a delivery main pipe, a delivery branch pipe and a catalyst placement frame, and the catalyst and hydrogen also move along with the stirring, which can effectively improve the contact efficiency between the waste oil and the hydrogen and the catalyst, and improve the regeneration reaction efficiency of the waste oil.

[0019] The present invention arranges two symmetrical spiral blades on both sides of the conveying branch pipe, and enables the two spiral blades to flip the catalyst inside the catalyst placement frame in opposite directions, thereby effectively improving the utilization efficiency of the catalyst.

[0020] The present invention supports the support rod and the catalyst placement frame through the first limit rotation frame, the first rotation ring, the second rotation ring and the second limit rotation frame, thereby reducing the load of the transport main pipe and the transport pipe and improving the rotation efficiency of the catalyst placement frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0023] Figure 3 It is a structural schematic diagram of the flipping mechanism in the present invention.

[0024] Figure 4 It is a structural schematic diagram of the supporting mechanism in the present invention.

[0025] Wherein: 1. reactor; 2. discharge pipe; 3. disturbance plate; 4. first limit rotation frame; 5. first rotating ring; 6. second rotating ring; 7. support rod; 8. first gear; 9. speed regulating box input shaft; 10. second gear; 11. delivery pipe; 12. third gear; 13. hydrogen generator; 14. output pipe; 15. rotary joint; 16. fourth gear; 17. motor; 18. delivery main pipe; 19. delivery branch pipe; 20. gear ring; 21. feed pipe; 22. fixed column; 23. catalyst placement frame; 24. speed regulating box; 25. rotating rod; 26. spiral blade; 27. second limit rotation frame. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-Figure 4 In an embodiment of the present invention, a waste oil regeneration reaction device comprises a reactor 1, a feed pipe 21 is installed at the upper end of the side wall of the reactor 1, a discharge pipe 2 is installed at the lower end of the side wall of the reactor 1, a fixing column 22 is vertically installed at the center position of the bottom of the reactor 1, a plurality of catalyst placement frames 23 are arranged inside the reactor 1, and the plurality of catalyst placement frames 23 are arranged in a circular array around the center position of the reactor 1, a delivery branch pipe 19 for delivering hydrogen is vertically installed at the center position of the catalyst placement frame 23, a plurality of spray holes are opened on the side wall of the delivery branch pipe 19 inside the catalyst placement frame 23, a delivery mechanism for delivering hydrogen to the delivery branch pipe 19 is arranged at the upper end of the reactor 1, a rotating mechanism for rotating the catalyst placement frame 23 and the delivery branch pipe 19 is arranged on the reactor 1, a flipping mechanism for flipping the catalyst is arranged inside the catalyst placement frame 23, and a supporting mechanism for supporting the catalyst placement frame 23 is arranged at the bottom of the reactor 1.

[0028] The conveying mechanism includes a hydrogen generator 13 and a rotary joint 15. A conveying pipe 11 is vertically arranged at the center of the upper end of the reactor 1. The conveying pipe 11 is rotatably connected to the center of the upper end of the reactor 1. The lower end of the conveying pipe 11 passes through the top of the reactor 1 and is horizontally installed with a conveying main pipe 18. The upper ends of the conveying branch pipes 19 are connected to the conveying main pipe 18. The conveying branch pipes 19, the conveying main pipe 18, and the conveying pipe 11 are interconnected. The hydrogen generator 13 is installed at the upper end of the reactor 1. An output pipe 14 is installed at the output end of the hydrogen generator 13. The end of the output pipe 14 away from the hydrogen generator 13 is connected to the input end of the conveying pipe 11 through a rotary joint 15.

[0029] When in use, the hydrogen generator 13 transports hydrogen to the inside of the delivery branch pipe 19 through the output pipe 14, the rotary joint 15, the delivery pipe 11, and the delivery main pipe 18 in sequence. The delivery branch pipe 19 transports hydrogen to the catalyst and the waste oil through the spray holes on the side wall to regenerate the waste oil.

[0030] The rotating mechanism includes a motor 17, a third gear 12 is installed on the side wall of the delivery pipe 11 between the upper end of the reactor 1 and the rotary joint 15, the motor 17 is installed on the upper end of the reactor 1, a fourth gear 16 is installed on the output end of the motor 17, and the fourth gear 16 is meshed with the third gear 12. The lower end of the delivery branch pipe 19 passes through the catalyst placement frame 23 and is installed with a disturbance plate 3 for moving the waste oil at the bottom of the reactor 1 upward.

[0031] When in use, start the motor 17, the output end of the motor 17 drives the fourth gear 16 to rotate, the fourth gear 16 drives the third gear 12 to rotate, the third gear 12 drives the delivery pipe 11 to rotate, the delivery pipe 11 drives the delivery main pipe 18 to rotate, the delivery main pipe 18 drives the delivery branch pipe 19 to rotate, and the delivery branch pipe 19 drives the catalyst placement frame 23 and the disturbance plate 3 to rotate.

[0032] The flipping mechanism includes two rotating rods 25, and the two rotating rods 25 are symmetrically arranged inside the catalyst placement frame 23 on both sides of the conveying branch pipe 19. Spiral blades 26 for flipping the catalyst are installed on the side walls of the rotating rods 25. The spiral blades 26 on both sides of the conveying branch pipe 19 flip the catalyst in opposite directions. The lower end of the rotating rod 25 is rotatably connected to the bottom of the catalyst placement frame 23, and the upper end of the rotating rod 25 passes through the catalyst placement frame 23 and is installed with a speed regulating box 24. The input end of the speed regulating box 24 is installed with a speed box input shaft 9, and the side wall of the speed box input shaft 9 is installed with a first gear 8. The upper end of the side wall of the fixed column 22 is installed with a second gear 10 that meshes with the first gear 8 close to the fixed column 22, and the inner wall of the reactor 1 above the feed pipe 21 is installed with a gear ring 20 that meshes with the first gear 8 away from the fixed column 22.

[0033] When the catalyst placement frame 23 rotates, the catalyst placement frame 23 drives the two first gears 8 thereon to roll along the side walls of the gear ring 20 and the second gear 10 respectively, the first gear 8 drives the speed box input shaft 9 to rotate, the speed box input shaft 9 drives the rotating rod 25 to rotate through the speed regulating box 24, the rotating rod 25 drives the spiral blade 26 to rotate, and the two spiral blades 26 transport the catalyst inside the catalyst placement frame 23 in opposite directions.

[0034] The supporting mechanism includes a first limit rotating frame 4, which is installed at the lower end of the inner wall of the reactor 1, and a first rotating ring 5 is rotatably connected to the inner wall of the first limit rotating frame 4. A second limit rotating frame 27 is installed at the lower end of the side wall of the fixed column 22, and a second rotating ring 6 is rotatably connected to the inner wall of the second limit rotating frame 27. Support rods 7 are installed at the lower ends of the side walls of the catalyst placement frame 23 close to the first rotating ring 5 and the second rotating ring 6, and the ends of the support rods 7 away from the catalyst placement frame 23 are respectively installed on the second rotating ring 6 and the first rotating ring 5.

[0035] When in use, the support rod 7 is supported by the first rotating ring 5 and the second rotating ring 6 , and the support rod 7 supports the catalyst placement frame 23 .

[0036] Working principle of a waste oil regeneration reaction device:

[0037] When in use, the hydrogen generator 13 transports hydrogen to the inside of the delivery branch pipe 19 through the output pipe 14, the rotary joint 15, the delivery pipe 11, and the delivery main pipe 18 in sequence. The delivery branch pipe 19 transports hydrogen to the catalyst and the waste oil through the spray holes on the side wall to regenerate the waste oil.

[0038] At the same time, the motor 17 is started, the output end of the motor 17 drives the fourth gear 16 to rotate, the fourth gear 16 drives the third gear 12 to rotate, the third gear 12 drives the delivery pipe 11 to rotate, the delivery pipe 11 drives the delivery main pipe 18 to rotate, the delivery main pipe 18 drives the delivery branch pipe 19 to rotate, the delivery branch pipe 19 drives the catalyst placement frame 23 and the disturbance plate 3 to rotate, so as to achieve stirring of the waste oil and facilitate the regeneration reaction of the waste oil.

[0039] When the catalyst placement frame 23 rotates, the catalyst placement frame 23 drives the two first gears 8 thereon to roll along the side walls of the gear ring 20 and the second gear 10 respectively, the first gear 8 drives the speed box input shaft 9 to rotate, the speed box input shaft 9 drives the rotating rod 25 to rotate through the speed regulating box 24, the rotating rod 25 drives the spiral blade 26 to rotate, the two spiral blades 26 transport the catalyst inside the catalyst placement frame 23 in opposite directions, realize the flipping of the catalyst, and make full use of the catalyst.

[0040] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention.

Claims

1. A waste oil regeneration reaction device, comprising a reactor (1), wherein a feed pipe (21) is installed at the upper end of the side wall of the reactor (1), and a discharge pipe (2) is installed at the lower end of the side wall of the reactor (1), characterized in that: A fixing column (22) is vertically installed at the center of the bottom of the reactor (1). A plurality of catalyst placement frames (23) are arranged inside the reactor (1). The plurality of catalyst placement frames (23) are arranged in a circular array around the center of the reactor (1). A delivery branch pipe (19) for delivering hydrogen is vertically installed at the center of the catalyst placement frame (23). A plurality of spray holes are provided on the side wall of the delivery branch pipe (19) inside the catalyst placement frame (23). A delivery mechanism for delivering hydrogen to the delivery branch pipe (19) is provided at the upper end of the reactor (1). A rotating mechanism for rotating the catalyst placement frame (23) and the delivery branch pipe (19) is provided on the reactor (1). A flipping mechanism for flipping the catalyst is provided inside the catalyst placement frame (23). A supporting mechanism for supporting the catalyst placement frame (23) is provided at the bottom of the reactor (1).

2. A waste oil regeneration reaction device according to claim 1, characterized in that: The conveying mechanism comprises a hydrogen generator (13) and a rotary joint (15). A conveying pipe (11) is vertically arranged at the center of the upper end of the reactor (1). The conveying pipe (11) is rotatably connected to the center of the upper end of the reactor (1). The lower end of the conveying pipe (11) passes through the top of the reactor (1) and is horizontally installed with a conveying main pipe (18). The upper end of the conveying branch pipe (19) is connected to the conveying main pipe (18). The conveying branch pipe (19), the conveying main pipe (18) and the conveying pipe (11) are interconnected. The hydrogen generator (13) is installed at the upper end of the reactor (1). An output pipe (14) is installed at the output end of the hydrogen generator (13). The end of the output pipe (14) away from the hydrogen generator (13) is connected to the input end of the conveying pipe (11) through a rotary joint (15).

3. A waste oil regeneration reaction device according to claim 2, characterized in that: The connection points of the delivery branch pipe (19), the delivery main pipe (18) and the delivery pipe (11) are all provided with triangular supporting ribs for improving the firmness of the connection.

4. A waste oil regeneration reaction device according to claim 2, characterized in that: The rotating mechanism comprises a motor (17), a third gear (12) is installed on the side wall of the delivery pipe (11) between the upper end of the reaction kettle (1) and the rotary joint (15), the motor (17) is installed on the upper end of the reaction kettle (1), a fourth gear (16) is installed on the output end of the motor (17), and the fourth gear (16) and the third gear (12) are meshed with each other.

5. A waste oil regeneration reaction device according to claim 4, characterized in that: The lower end of the delivery branch pipe (19) passes through the catalyst placement frame (23) and is equipped with a disturbance plate (3) for moving the waste oil at the bottom of the reactor (1) upward.

6. A waste oil regeneration reaction device according to claim 4, characterized in that: The turning mechanism comprises two rotating rods (25), the two rotating rods (25) are symmetrically arranged inside the catalyst placement frame (23) on both sides of the delivery branch pipe (19), and spiral blades (26) for turning the catalyst are installed on the side walls of the rotating rods (25). The spiral blades (26) on both sides of the delivery branch pipe (19) turn the catalyst in opposite directions. The lower end of the rotating rod (25) is rotatably connected to the bottom of the catalyst placement frame (23), and the upper end of the rotating rod (25) passes through the catalyst. The placement frame (23) is installed with a speed regulating box (24), the input end of the speed regulating box (24) is installed with a speed box input shaft (9), the side wall of the speed box input shaft (9) is installed with a first gear (8), the upper end of the side wall of the fixed column (22) is installed with a second gear (10) meshing with the first gear (8) close to the fixed column (22), and the inner wall of the reactor (1) above the feed pipe (21) is installed with a gear ring (20) meshing with the first gear (8) away from the fixed column (22).

7. A waste oil regeneration reaction device according to claim 6, characterized in that: The corners of the spiral blades (26) are all configured as rounded corners to prevent the catalyst from breaking.

8. The waste oil regeneration reaction device according to claim 1, characterized in that: The supporting mechanism comprises a first limit rotation frame (4), the first limit rotation frame (4) is mounted on the lower end of the inner wall of the reaction kettle (1), a first rotating ring (5) is rotatably connected to the inner wall of the first limit rotation frame (4), a second limit rotation frame (27) is mounted on the lower end of the side wall of the fixed column (22), a second rotating ring (6) is rotatably connected to the inner wall of the second limit rotation frame (27), and support rods (7) are mounted on the lower ends of the side walls of the catalyst placement frame (23) close to the first rotating ring (5) and the second rotating ring (6), and one end of the support rod (7) away from the catalyst placement frame (23) is mounted on the second rotating ring (6) and the first rotating ring (5), respectively.

9. A waste oil regeneration reaction device according to claim 8, characterized in that: The support rod (7) and the side wall of the reaction kettle (1) are both provided with reinforcing ribs for improving the structural strength.

10. The waste oil regeneration reaction device according to claim 1, characterized in that: The bottom of the reactor (1) is provided with a conical block for facilitating the discharge of the oil after the reaction through a discharge pipe (2).

Images