Horizontal dynamic tubular reactor
By installing a seal at the contact point between the stirring shaft and the pressure cap, and a second seal between the transmission housing and the input shaft, and by adopting a design where the inertial gear and the driven gear are not on the same axis, the leakage problem of the horizontal dynamic tubular reactor is solved, ensuring the sealing of the reactor and the safety of the motor, and improving the stirring effect.
Patent Information
- Application Number
- CN202423226432.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In horizontal dynamic tubular reactors, liquid materials are prone to leakage along the stirring shaft, which can lead to changes in the reactant ratio and damage to the motor, thus affecting the reaction products.
A first seal is installed at the contact point between the stirring shaft and the pressure cap, and a second seal is installed between the transmission housing and the input shaft. Different shaft designs of inert gear and driven gear are adopted to change the sealing form. Combined with the staggered arrangement of long and short blades on the stirring shaft, sealing performance and stability are ensured.
It effectively prevents material leakage into the transmission housing and motor, reduces the risk of corrosion to the transmission housing and damage to the motor, and improves the sealing and stirring effect of the reactor.
Smart Images

Figure CN223628629U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The patent relates to the field of chemical equipment, in particular to a horizontal dynamic tubular reactor. BACKGROUND
[0002] For the horizontal dynamic tubular reactor, liquid material in the reactor will leak along the stirring shaft after passing the stirring shaft due to the horizontal placement posture, and more seriously, the liquid material will enter the motor along the stirring shaft to damage the motor. If the leakage amount of the material increases, the material ratio in the reaction will change, which will affect the reaction product. Therefore, solving the above problems has become an important task in the industry of the horizontal dynamic tubular reactor. CONTENT OF THE UTILITY MODEL
[0003] Based on the problems in the background art, the utility model provides a horizontal dynamic tubular reactor, which comprises a pipe body, a gland, a motor, a driving gear, a driven gear and a stirring shaft. The stirring shaft is arranged in the pipe body, and a first sealing element is arranged at the contact position of the stirring shaft and the gland. The stirring shaft is connected with the driven gear. The motor is connected with the driving gear through an input shaft. The input shaft and the stirring shaft are arranged in different axes. An inert gear is arranged between the driving gear and the driven gear. The driving gear is connected with the inert gear in a meshing mode, and the inert gear is connected with the driven gear in a meshing mode.
[0004] As an embodiment, the axes of the driving gear, the inert gear and the driven gear are parallel to each other, and the relationship among the three is R 从动齿轮 >R 惰性齿轮 >R 主动齿轮 , and R represents a radius.
[0005] As an embodiment, the input shaft and the stirring shaft are parallel to each other, and the input shaft and the stirring shaft are respectively arranged on the two sides of the gland, and the input shaft is arranged above the stirring shaft.
[0006] As an embodiment, a transmission box is arranged outside the gland, and the driving gear, the inert gear and the driven gear are arranged in the transmission box, and the axes of the driving gear, the inert gear and the driven gear are arranged in the same plane.
[0007] As an embodiment, an output shaft is arranged between the driven gear and one end of the stirring shaft, the output shaft is fixedly connected with the stirring shaft in a coaxial mode, and the other end of the stirring shaft is matched with a bearing and arranged on the pipe body.
[0008] As an implementation form, the transmission box is provided with an inertial rotating shaft, and the inertial gear is arranged on the inertial rotating shaft; a plurality of grooves are arranged on the inner side of the transmission box, and bearings are arranged in the grooves, and the input shaft, the inertial rotating shaft and the output shaft are connected with the transmission box through the bearings.
[0009] As an implementation form, the input shaft is provided with a second sealing member outside the bearing on the side close to the motor of the transmission box.
[0010] As an implementation form, a plurality of groups of stirring blades are arranged on the stirring shaft, each group of the stirring blades is composed of short blades and long blades, the length ratio of the short blades to the long blades is (1:4) to (1:1), the long blades and the short blades in the same group are located on the same circle and are arranged in a circumferential direction, and the long blades and the short blades in adjacent groups are arranged in an axial direction.
[0011] As an implementation form, the pipe body is provided with an inlet and an outlet, the inlet is arranged at the bottom of the pipe body, and the height of the outlet in the vertical direction is higher than that of the stirring shaft and lower than that of the input shaft.
[0012] Advantages:
[0013] 1. The sealing member arranged at the contact position of the gland and the stirring shaft realizes the isolation of the transmission box and the pipe body, and solves the problem that the leakage of the horizontal dynamic pipe reactor causes the gear to be corroded.
[0014] 2. The sealing member arranged between the transmission box and the input shaft changes the sealing mode of the existing horizontal dynamic pipe reactor and the motor, eliminates the leakage problem of the dynamic seal itself from the sealing form, realizes the isolation of the motor and the pipe body, further reduces the problem that the horizontal dynamic pipe reactor leaks into the motor, and overcomes the problem that the liquid leakage into the motor affects the service life of the motor.
[0015] 3. The design that the input shaft and the stirring shaft are not coaxial, and the height of the outlet in the vertical direction is higher than that of the stirring shaft and lower than that of the input shaft solves the problem that the horizontal dynamic pipe reactor leaks along the stirring shaft and the input shaft into the motor.
[0016] 4. The blades on the stirring shaft are arranged in the form of long-short cooperation, the stirring near the stirring shaft and away from the stirring shaft in the same radial direction can be realized in the stirring process; at the same time, the long-short blades in the adjacent groups in the axial direction are arranged in a staggered mode, so that the stability of the stirring shaft in the high-speed operation process is ensured. DRAWINGS
[0017] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and all other embodiments obtained by those of ordinary skill in the art without creative labor based on these drawings also belong to the protection scope of the present application.
[0018] Figure 1 is a schematic diagram of the horizontal dynamic tubular reactor of the present application
[0019] Figure 2 is a schematic diagram of the stirring shaft of Example 1
[0020] Figure 3 is a schematic diagram of the stirring shaft of Example 2
[0021] Figure 4 is a schematic diagram of another stirring shaft of Example 2
[0022] Figure 5 is a schematic diagram of the arrangement of the gear in the transmission box
[0023] Explanation of reference signs:
[0024] 1-tube body, 2-pressing cover, 3-motor, 4-driving gear, 5-driven gear, 6-stirring shaft, 7-input shaft, 8-idler gear, 9-first sealing element, 10-transmission box, 11-output shaft, 12-idler shaft, 13-second sealing element, 14-stirring blade, 15-feeding port, 16-discharging port. DETAILED DESCRIPTION
[0025] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor also belong to the protection scope of the present application.
[0026] In the description of the present application, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0027] In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0028] The utility model will be further described below in combination with the drawings and embodiments.
[0029] Please refer to Figures 1-5 The utility model provides a kind of dynamic tubular reactor.
[0030] Embodiment 1: a horizontal dynamic tubular reactor, it includes tube body 1, gland 2, motor 3, driving gear 4, driven gear 5, stirring shaft 6, stirring shaft 6 is arranged in the inside of tube body 1, stirring shaft 6 is connected with driven gear 5 by output shaft 11;First sealing element 9 is equipped at the contact of stirring shaft 6 and gland 2, the sealing element is set here to improve the problem that material in the existing horizontal dynamic tubular reactor in the reaction process leaks from the inside of tube body to transmission box body, reduce the requirement to transmission box body material corrosion resistance, reduce cost;Motor 3 is connected with driving gear 4 by input shaft 7, driving gear 4 is engaged with inert gear 8, inert gear 8 is arranged on inert shaft 12, inert gear 8 is engaged with driven gear 5, driven gear 5 is arranged on output shaft 11, input shaft 7, inert shaft 12 and input shaft 7 are all matched with bearing and are arranged in the recess in the inside of transmission box body 10, second sealing element 13 is equipped at the outside of bearing of input shaft 7 on the side of transmission box body 10 close to motor 3, this design improves the sealing mode of dynamic sealing used in the connection place of existing horizontal dynamic tubular reactor and motor, eliminates the leakage problem existing in dynamic sealing itself from sealing form, realizes the isolation of motor and tube body, overcomes the problem that liquid leakage enters motor and affects the service life of motor;Input shaft 7 is arranged different shaft with output shaft 11 and stirring shaft 6, input shaft 7 is located above stirring shaft 6 and output shaft 11, in vertical direction, the height of discharge port 16 is higher than the height of stirring shaft 6 and is lower than the height of input shaft 7, further prevent the material in tube body from leaking into motor and damaging motor;Driving gear 4, inert gear 8 and driven gear 5 are located in transmission box body 10, the axis of the three is parallel and in the same plane, and the relationship between the three is R 从动齿轮 >R 惰性齿轮 >R 主动齿轮, R represents the radius, the establishment of the idler gear 8 makes the radius size of the driven gear 5 reduced, which is conducive to setting a smaller volume of transmission box 10, saving space; each group of stirring blades 14 on the stirring shaft 6 is composed of long blades and short blades, the long blades and the short blades in the same group are located on the same circle and are arranged in a staggered manner in the circumferential direction, and the long blades and the short blades in the adjacent groups are arranged on the stirring shaft 6 in a staggered manner in the axial direction; the length of the long blade is less than the radius length of the pipe body 1, and the length ratio of the short blade to the long blade is 1:4, so that the thickness of the blade is unchanged, only the length of the blade is changed to reduce the weight of the stirring shaft, and double-layer stirring is realized near the stirring shaft side and away from the stirring shaft side. This design not only ensures the strength of the blade but also increases the stirring effect.
[0031] Example 2:
[0032] The difference from example 1 is that a plurality of groups of stirring blades 14 are arranged on the stirring shaft 6, the length ratio of the stirring blades 14 is 1:1, and the stirring blades 14 in each group are arranged on the stirring shaft 6 in a rotational symmetry.
[0033] The above is only a specific embodiment of the present disclosure, which enables those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to these embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A horizontal dynamic tubular reactor comprising a tubular body (1), a gland (2), a motor (3), a driving gearwheel (4), a driven gearwheel (5), a stirring shaft (6), characterized in that, The stirring shaft (6) is arranged in the pipe body (1), a first sealing element (9) is arranged at the contact position between the stirring shaft (6) and the gland (2); the stirring shaft (6) is connected with the driven gear (5); the motor (3) is connected with the driving gear (4) through an input shaft (7); the input shaft (7) is arranged in different shafts with the stirring shaft (6); an inert gear (8) is arranged between the driving gear (4) and the driven gear (5), the driving gear (4) is connected with the inert gear (8) through meshing, and the inert gear (8) is connected with the driven gear (5) through meshing.
2. A horizontal dynamic tubular reactor according to claim 1, characterized in that The axes of the driving gearwheel (4), the idle gearwheel (8) and the driven gearwheel (5) are parallel to each other, and the relationship between them is R 从动齿轮 > R 惰性齿轮 > R 主动齿轮 , R represents a radius.
3. A horizontal dynamic tubular reactor according to claim 1, characterized in that The input shaft (7) and the stirring shaft (6) are parallel to each other, the input shaft (7) and the stirring shaft (6) are located on the two sides of the gland (2) respectively, and the input shaft (7) is located above the stirring shaft (6).
4. A horizontal dynamic tubular reactor according to claim 1, characterized in that The outside of the gland (2) is provided with a transmission box body (10), the driving gear (4), the inert gear (8) and the driven gear (5) are arranged in the transmission box body (10), and the axes of the driving gear (4), the inert gear (8) and the driven gear (5) are in the same plane.
5. A horizontal dynamic tubular reactor according to claim 4, characterized in that An output shaft (11) is arranged between the driven gear (5) and one end of the stirring shaft (6), the output shaft (11) is fixedly connected with the stirring shaft (6) in the same shaft, the driven gear (5) is fixedly connected with the output shaft (11) in the same shaft, and the other end of the stirring shaft (6) is matched with a bearing and arranged on the pipe body (1).
6. A horizontal dynamic tubular reactor according to claim 5, characterized in that An inert rotating shaft (12) is arranged in the transmission box body (10), the inert gear (8) is arranged on the inert rotating shaft (12), the inside of the transmission box body (10) is provided with a plurality of grooves, bearings are arranged in the grooves, and the input shaft (7), the inert rotating shaft (12) and the output shaft (11) are connected with the transmission box body (10) through bearings.
7. A horizontal dynamic tubular reactor according to claim 6, characterized in that Second sealing elements (13) are arranged outside the bearings on the side of the input shaft (7) and the transmission box body (10) close to the motor (3).
8. A horizontal dynamic tubular reactor according to claim 1, characterized in that A plurality of groups of stirring blades (14) are arranged on the stirring shaft (6), each group of the stirring blades (14) is composed of short blades and long blades, the length ratio of the short blades to the long blades is (1:4) to (1:1), the long blades and the short blades in the same group are located on the same circle and are arranged in a staggered manner in the circumferential direction, and the long blades and the short blades in adjacent groups are arranged on the stirring shaft (6) in a staggered manner in the axial direction.
9. A horizontal dynamic tubular reactor according to claim 1, characterized in that A feeding port (15) and a discharging port (16) are arranged on the pipe body (1), the feeding port (15) is located at the bottom of the pipe body (1), and the height of the discharging port (16) is higher than that of the stirring shaft (6) and lower than that of the input shaft (7) in the vertical direction.