A continuous rotating liquid film reactor
By designing a continuous rotating liquid film reactor, the centrifugal principle is used to generate liquid films and strengthen the mixing of reaction materials, the problems of poor mixing effect and low reaction efficiency of traditional liquid-liquid reaction equipment are solved, and an efficient and continuous reaction process is achieved, and the floor area and energy consumption are reduced.
Patent Information
- Application Number
- CN202421536423.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-02
AI Technical Summary
Traditional liquid-liquid reaction equipment has problems such as poor mixing effect, low reaction efficiency, large footprint and high operating energy consumption, which cannot meet the technical needs of modern chemical production.
A continuous rotating liquid film reactor is designed. By setting a rotating drive device and a hollow spline shaft in the reaction tank, a liquid film is generated using the centrifugal action principle to achieve uniform mixing of reaction materials, and the mixing process is strengthened by the rotation of the feeding reaction device.
The reaction rate is improved, the reaction inhomogeneity is reduced, the reactor footprint is reduced, and the working continuity and applicability of the reactor are improved.
Smart Images

Figure CN222739178U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of liquid film reaction equipment, in particular to a continuous rotating liquid film reactor. Background Art
[0002] Liquid-liquid two-phase mass transfer reactions are widely used in chemical production processes. With the increasing requirements for energy saving and consumption reduction in production equipment, an efficient and stable mass transfer reaction equipment will be widely used in various industries.
[0003] Traditional liquid-liquid reactions are usually carried out in the form of packed towers or mixers. In this method, the two reaction materials are forced into contact through strong shearing of the packing, resulting in poor mixing effect and low reaction efficiency. In addition, there are problems such as incomplete separation such as emulsification and mist entrainment during the reaction process. In addition, the tower equipment is generally large and occupies a large area, which increases the operating energy consumption and can no longer meet the current industry technical requirements. Utility Model Content
[0004] The utility model provides a continuous rotating liquid film reactor which has high mass transfer and reaction efficiency, small footprint, convenient operation and strong running continuity in order to solve the technical problems existing in the known technology.
[0005] The utility model adopts the following technical scheme to solve the technical problems existing in the known technology: a continuous rotating liquid film reactor comprises a frame with a frame top plate installed on the top, and a reaction tank structure is installed on the frame; it also comprises a guide sleeve mounting frame installed on the frame top plate, a guide sleeve mechanism penetrating the reaction tank structure is installed on the guide sleeve mounting frame, a hollow spline shaft is passed through the guide sleeve mechanism, a passage rotating joint is installed on the upper end of the hollow spline shaft, and a feeding reaction device is installed on the lower end of the hollow spline shaft; it also comprises a rotating drive device installed on the frame for driving the hollow spline shaft to rotate, and also comprises a lifting drive device installed on the frame for driving the hollow spline shaft to lift and move; the feeding reaction device comprises a feeding barrel, a feeding installation port connected to the lower end of the hollow spline shaft is connected to the top of the feeding barrel, a plurality of discharge holes are opened on the outer peripheral wall of the feeding installation port, and a permeable membrane is arranged on the inner wall of the feeding barrel.
[0006] The advantages and positive effects of the utility model are as follows: the utility model provides a continuous rotating liquid film reactor, which can ensure that the feeding reaction device can perform rotating motion in the inner cavity of the reaction tank structure by arranging a rotating drive device and a hollow spline shaft, and then utilize the principle of centrifugal action to generate a liquid film on the periphery of the feeding reaction device, so that the reaction materials in the reaction tank structure react uniformly by the liquid film, and at the same time utilize the rotation of the feeding reaction device to further strengthen the mixing process of the reaction materials at the feeding point, reduce the non-uniformity of the reaction at the feeding point, effectively improve the reaction rate, and reduce the overall footprint of the reactor; by installing a passage rotating joint at the upper end of the hollow spline shaft, it can be ensured that the reaction materials can be intermittently or continuously added to the feeding reaction device during the working process, thereby improving the working continuity of the reactor; by arranging a lifting drive device, the feeding reaction device can be driven to lift and move, and then the position of the feeding reaction device is adjusted according to the height of the liquid level in the reaction tank structure, ensuring that the plurality of discharge holes on the feeding cylinder are immersed below the liquid level of the reaction materials in the reaction tank structure, thereby improving the applicability of the reactor. The utility model can ensure the mass transfer reaction of liquid-liquid two-phase substances, has high mass transfer and reaction efficiency, occupies a small area, is easy to operate and has strong running continuity.
[0007] Preferably: the guide sleeve mechanism includes an outer mounting sleeve fixedly connected to the guide sleeve mounting frame, an inner rotating sleeve rotatably connected to the center of the outer mounting sleeve through a rolling bearing, a spline sleeve fixedly connected to the center of the inner rotating sleeve, the hollow spline shaft and the spline sleeve spline cooperate, and also includes a thrust ring installed on the upper part of the inner rotating sleeve.
[0008] Preferably: the rotary drive device includes a motor frame fixedly connected to the top plate of the frame, a rotary motor fixedly connected to the motor frame, a driving pulley key-connected to the output shaft of the rotary motor, and also includes a driven pulley key-connected to the inner rotating sleeve, a transmission belt is installed between the driven pulley and the driving pulley; and also includes a tensioning pulley mechanism installed on the motor frame.
[0009] Preferably, the tensioning wheel mechanism comprises a push-pull clamp installed on the top plate of the frame, a wheel mounting seat is fixedly connected to the end of the push-pull clamp, and a tensioning wheel is rotatably connected to the wheel mounting seat.
[0010] Preferably: the lifting drive device includes a drive member bracket fixedly connected to the top plate of the frame, a lifting drive member is installed on the drive member bracket, a lifting mounting seat is installed on the protruding end of the lifting drive member through a floating joint, an adapter seat is fixedly connected to the lifting mounting seat, and a hollow spline shaft passes through the lifting mounting seat and the adapter seat and is rotatably connected to the adapter seat through a rolling bearing.
[0011] Preferably: the reaction tank structure includes a reaction tank fixed on the frame, a tank top cover is installed at the upper open end of the reaction tank, a guide bottom is installed at the lower open end, the middle part of the guide bottom is a guide cone protruding upward, a discharge port is installed on the guide bottom, and the discharge port is located outside the guide cone; a feed port is installed on the tank top cover.
[0012] Preferably: the guide sleeve mounting frame includes a mounting plate fixedly connected to the outer peripheral wall of the guide sleeve mechanism, the mounting plate is a cross structure, and pin shaft holes are opened at the four ends of the mounting plate, and are passed through the positioning pin shafts installed on the top plate of the frame, and a pin shaft retaining spring is inserted at the upper end of each positioning pin shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;
[0014] Figure 2 It is a cross-sectional structural schematic diagram of the guide sleeve mechanism in the utility model;
[0015] Figure 3 It is a three-dimensional structural schematic diagram of the rotary drive device and the lifting drive device in the utility model;
[0016] Figure 4 It is a partial cross-sectional structural schematic diagram of the feeding reaction device in the utility model.
[0017] In the figure: 1, discharge port; 2, guide bottom; 3, guide cone; 4, reaction tank; 5, feeding reaction device; 5-1, feeding cylinder; 5-2, discharge hole; 5-3, reinforcing rib plate; 5-4, feeding installation port; 5-5, permeable membrane; 6, hollow spline shaft; 7, tank top cover; 8, feed port; 9, guide sleeve mechanism; 9-1, spline sleeve; 9-2, inner rotating sleeve; 9-3, outer installation sleeve; 9-4, thrust ring; 1 0. Rotating drive device; 10-1. Rotating motor; 10-2. Driving pulley; 10-3. Driven pulley; 10-4. Tensioning wheel mechanism; 10-5. Motor frame; 11. Lifting drive device; 11-1. Lifting drive member; 11-2. Drive member bracket; 11-3. Lifting mounting seat; 11-4. Adapter seat; 12. Passage rotary joint; 13. Guide sleeve mounting frame; 14. Frame top plate; 15. Frame. DETAILED DESCRIPTION
[0018] In order to further understand the content, features and effects of the present invention, the following embodiments are described in detail as follows:
[0019] See also Figure 1The continuous rotating liquid film reactor of the utility model comprises a frame 15 with a frame top plate 14 installed on the top, and a reaction tank structure is installed on the frame 15; wherein the reaction tank structure comprises a reaction tank 4 fixedly connected to the frame 15, a tank top cover 7 is installed at the upper open end of the reaction tank 4, and a guide bottom 2 is installed at the lower open end, the middle part of the guide bottom 2 is a guide cone 3 protruding upward, and a discharge port 1 is installed on the guide bottom 2, and the discharge port 1 is located outside the guide cone 3; a feed port 8 is installed on the tank top cover 7. The outer peripheral wall of the reaction tank 4 is fixedly connected to the frame 15 through a plate.
[0020] like Figure 1 As shown, this embodiment further includes a guide sleeve mounting frame 13 mounted on the frame top plate 14 , a guide sleeve mechanism 9 penetrating the reaction tank structure is mounted on the guide sleeve mounting frame 13 , and a hollow spline shaft 6 is passed through the guide sleeve mechanism 9 .
[0021] See also Figure 2 The guide sleeve mechanism 9 includes an outer mounting sleeve 9-3 fixedly connected to the guide sleeve mounting frame 13, an inner rotating sleeve 9-2 is rotatably connected at the center of the outer mounting sleeve 9-3 through a rolling bearing, a spline sleeve 9-1 is fixedly connected at the center of the inner rotating sleeve 9-2, the hollow spline shaft 6 is spline-matched with the spline sleeve 9-1, and also includes a thrust ring 9-4 installed on the upper part of the inner rotating sleeve 9-2. Through the above arrangement, it can be ensured that the hollow spline shaft 6 can rotate in the circumferential direction and can move linearly in the axial direction.
[0022] like Figure 1 As shown, a passage rotary joint 12 is installed at the upper end of the hollow spline shaft 6, and a feeding reaction device 5 is installed at the lower end of the hollow spline shaft 6; it also includes a rotation drive device 10 installed on the frame 15, which is used to drive the hollow spline shaft 6 to rotate, and also includes a lifting drive device 11 installed on the frame 15, which is used to drive the hollow spline shaft 6 to lift and move.
[0023] See also Figure 4 The above-mentioned feeding reaction device 5 includes a feeding barrel 5-1, and a feeding installation port 5-4 connected to the lower end of the hollow spline shaft 6 is connected to the top of the feeding barrel 5-1, and the above-mentioned feeding installation port 5-4 is connected to the lower end of the hollow spline shaft 6 through a flange. A plurality of groups of reinforcing ribs 5-3 distributed in the circumferential direction are fixedly connected between the top of the feeding barrel 5-1 and the outer peripheral wall of the feeding installation port 5-4, which play a role in strengthening the strength of the feeding reaction device 5. A plurality of discharge holes 5-2 are opened on the outer peripheral wall of the feeding installation port 5-4, and a permeable membrane 5-5 is arranged on the inner wall of the feeding barrel 5-1. In the actual working process, the outflow of the reaction material is adjusted and controlled by adjusting the mesh size of the permeable membrane 5-5 or the number of layers laid, so that the reaction material flows out of the discharge hole 5-2 evenly.
[0024] like Figure 3 As shown, the above-mentioned rotary drive device 10 includes a motor frame 10-5 fixedly connected to the frame top plate 14, a rotary motor 10-1 is fixedly connected to the motor frame 10-5, a driving pulley 10-2 is keyed to the output shaft of the rotary motor 10-1, and also includes a driven pulley 10-3 keyed to the inner rotating sleeve 9-2, a transmission belt is installed between the driven pulley 10-3 and the driving pulley 10-2; and also includes a tensioning pulley mechanism 10-4 installed on the motor frame 10-5.
[0025] Furthermore, the tensioning wheel mechanism 10-4 comprises a push-pull clamp installed on the frame top plate 14, a wheel mounting seat is fixedly connected to the end of the push-pull clamp, and a tensioning wheel is rotatably connected to the wheel mounting seat. The wheel mounting seat is slidably connected to the motor frame 10-5.
[0026] like Figure 3 As shown, the lifting drive device 11 includes a driving member bracket 11-2 fixed on the frame top plate 14, and a lifting driving member 11-1 is installed on the driving member bracket 11-2. In this embodiment, the lifting driving member 11-1 adopts a hydraulic cylinder, and a lifting mounting seat 11-3 is installed on the extended end of the lifting driving member 11-1 through a floating joint, and a transfer seat 11-4 is fixed on the lifting mounting seat 11-3. The hollow spline shaft 6 passes through the lifting mounting seat 11-3 and the transfer seat 11-4 and is rotatably connected to the transfer seat 11-4 through a rolling bearing. In addition, a mounting frame is fixed on the lifting mounting seat 11-3, and the housing of the passage rotary joint 12 is installed on the above-mentioned mounting frame.
[0027] In the actual working process, the rotation of the rotating motor 10-1 can drive the active pulley 10-2 installed thereon, and under the action of the transmission belt team, it can drive the driven pulley 10-3 to rotate. The rotating driven pulley 10-3 can drive the inner rotating sleeve 9-2 to rotate, and then the spline sleeve 9-1 connected to the inner rotating sleeve 9-2 rotates, thereby achieving the purpose of driving the hollow spline shaft 6 to rotate.
[0028] When the longitudinal position of the feeding reaction device 5 needs to be adjusted, the lifting drive 11-1 is started to drive the lifting mounting seat 11-3 to move up and down, thereby driving the hollow spline shaft 6 and the passage rotary joint 12 installed with the hollow spline shaft 6 to move up and down.
[0029] See also Figure 3 The guide sleeve mounting frame 13 includes a mounting plate fixedly connected to the outer peripheral wall of the guide sleeve mechanism 9. The mounting plate is a cross structure. Pin shaft holes are opened at the four ends of the mounting plate, and are passed through the positioning pin shafts installed on the frame top plate 14. Pin shaft retaining springs are inserted at the upper ends of each positioning pin shaft.
[0030] Working principle:
[0031] The reaction material is injected into the reaction tank 4 through the feed port 8, and the height of the feeding reaction device 5 is adjusted by the lifting drive member 11-1 in the lifting drive device 11 to ensure that the plurality of discharge holes 5-2 on the feeding barrel 5-1 are immersed below the liquid level of the reaction material in the reaction tank 4. The reaction material is intermittently or continuously added to the feeding reaction device 5 through the above-mentioned passage rotary joint 12 and the hollow spline shaft 6; the hollow spline shaft 6 is driven to rotate by the started rotating motor 10-1, and then the feeding reaction device 5 is driven to rotate around the central axis of the hollow spline shaft 6 in the reaction tank 4. The reaction material in the feeding reaction device 5 flows out through the plurality of discharge holes 5-2 opened on the feeding barrel 5-1 under the action of centrifugal force, enters the reaction tank 4, and forms a layer of liquid film around the outer peripheral wall of the feeding barrel 5-1, through which the reaction materials in the reaction tank 4 are evenly mixed and reacted. At the same time, the rotation of the feeding reaction device 5 further mixes the reaction materials, so that the mixing of the reaction materials at the feeding point is more uniform, which effectively improves the reaction rate.
Claims
1. A continuous rotating liquid film reactor, characterized in that: The invention comprises a frame (15) having a frame top plate (14) mounted on the top, a reaction tank structure being mounted on the frame (15); a guide sleeve mounting frame (13) mounted on the frame top plate (14), a guide sleeve mechanism (9) penetrating the reaction tank structure being mounted on the guide sleeve mounting frame (13), a hollow spline shaft (6) being inserted into the guide sleeve mechanism (9), a passage rotary joint (12) being mounted on the upper end of the hollow spline shaft (6), and a feeding reaction device (5) being mounted on the lower end of the hollow spline shaft (6); and a rotary joint (12) being mounted on the frame (15). The rotary drive device (10) is used to drive the hollow spline shaft (6) to rotate, and also includes a lifting drive device (11) installed on the frame (15) and used to drive the hollow spline shaft (6) to move up and down; the feeding reaction device (5) includes a feeding cylinder (5-1), a feeding installation port (5-4) connected to the lower end of the hollow spline shaft (6) is connected at the top of the feeding cylinder (5-1), a plurality of discharge holes (5-2) are opened on the outer peripheral wall of the feeding installation port (5-4), and a permeable membrane (5-5) is arranged on the inner wall of the feeding cylinder (5-1).
2. The continuous rotating liquid film reactor according to claim 1, characterized in that: The guide sleeve mechanism (9) comprises an outer mounting sleeve (9-3) fixedly connected to a guide sleeve mounting frame (13); an inner rotating sleeve (9-2) is rotatably connected at the center of the outer mounting sleeve (9-3) via a rolling bearing; a spline sleeve (9-1) is fixedly connected at the center of the inner rotating sleeve (9-2); a hollow spline shaft (6) is spline-matched with the spline sleeve (9-1); and a thrust ring (9-4) is installed on the upper part of the inner rotating sleeve (9-2).
3. The continuous rotating liquid film reactor according to claim 2, characterized in that: The rotary drive device (10) comprises a motor frame (10-5) fixedly connected to a frame top plate (14), a rotary motor (10-1) fixedly connected to the motor frame (10-5), a driving pulley (10-2) key-connected to an output shaft of the rotary motor (10-1), a driven pulley (10-3) key-connected to an inner rotating sleeve (9-2), a transmission belt installed between the driven pulley (10-3) and the driving pulley (10-2), and a tensioning pulley mechanism (10-4) installed on the motor frame (10-5).
4. The continuous rotating liquid film reactor according to claim 3, characterized in that: The tensioning wheel mechanism (10-4) comprises a push-pull clamp installed on a frame top plate (14), a wheel mounting seat is fixedly connected to the end of the push-pull clamp, and a tensioning wheel is rotatably connected to the wheel mounting seat.
5. The continuous rotating liquid film reactor according to claim 1, characterized in that: The lifting drive device (11) comprises a driving member bracket (11-2) fixedly connected to a frame top plate (14); a lifting drive member (11-1) is mounted on the driving member bracket (11-2); a lifting mounting seat (11-3) is mounted on the protruding end of the lifting drive member (11-1) via a floating joint; a transfer seat (11-4) is fixedly connected to the lifting mounting seat (11-3); and a hollow spline shaft (6) passes through the lifting mounting seat (11-3) and the transfer seat (11-4) and is rotatably connected to the transfer seat (11-4) via a rolling bearing.
6. The continuous rotating liquid film reactor according to claim 1, characterized in that: The reaction tank structure comprises a reaction tank (4) fixedly connected to a frame (15); a tank top cover (7) is installed at the upper open end of the reaction tank (4); a guide bottom (2) is installed at the lower open end; the middle part of the guide bottom (2) is a guide cone (3) protruding upward; a discharge port (1) is installed on the guide bottom (2); the discharge port (1) is located outside the guide cone (3); and a feed port (8) is installed on the tank top cover (7).
7. The continuous rotating liquid film reactor according to claim 1, characterized in that: The guide sleeve mounting frame (13) comprises a mounting plate fixedly connected to the outer peripheral wall of the guide sleeve mechanism (9), the mounting plate presenting a cross structure, pin holes being provided at the four ends of the mounting plate and passing through positioning pins installed on the frame top plate (14), and pin retaining springs being inserted at the upper ends of the positioning pins.