CN217367959U - Horizontal double-shaft stirring reaction device - Google Patents
Horizontal double-shaft stirring reaction device Download PDFInfo
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- CN217367959U CN217367959U CN202220249825.7U CN202220249825U CN217367959U CN 217367959 U CN217367959 U CN 217367959U CN 202220249825 U CN202220249825 U CN 202220249825U CN 217367959 U CN217367959 U CN 217367959U
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Abstract
The utility model provides a horizontal biax stirring reaction unit. This horizontal biax stirring reaction unit includes: casing, rotatable first (mixing) shaft and second (mixing) shaft and stirring overflow plate. The shell is provided with a feed inlet and a discharge outlet; the first stirring shaft and the second stirring shaft are arranged in the shell, the stirring blades at the corresponding positions of the first stirring shaft and the second stirring shaft are mutually meshed, the minimum distance between each stirring blade and the shell is 1-10 mm, and the first stirring shaft and the second stirring shaft can rotate in opposite directions or in the same direction; the stirring overflow plate is arranged in the shell and communicated with the discharge hole, and the stirring overflow plate can control the retention time of the materials in the shell. The effects of the two aspects enable the risk of blocking of solid materials to be greatly reduced when the horizontal double-shaft stirring reaction device is used for liquid-solid reaction.
Description
Technical Field
The utility model relates to a liquid-solid reaction field particularly, relates to a horizontal biax stirring reaction unit.
Background
In the process of medicine and chemical production, a stirring tank type reactor is generally adopted for chemical reaction with solid participation, the flow rate of an internal medium is low, the degree of fluid turbulence is small, stirring blades are few, and the stirring effect is poor. If the reaction medium flow rate is increased, the stirring intensity is increased, but at the same time the residence time of the medium in the reactor is reduced. It can be seen that the use of stirred tank reactors has its limitations. In addition, when the solid particle content is large, the overflow port is easily blocked, so that the stirred reactor cannot realize complete continuous operation.
Most of tubular stirring reactors used in the current production are traditional vertical blades, and the reactors are mostly suitable for liquid-liquid reaction. On the premise of not increasing external force, the forward driving force of the tubular stirring reactor on the liquid-solid reaction is still insufficient, and continuous discharging is still a problem. Reactions involving solids tend to accumulate material on the walls of the tubular reactor, which can lead to poor heat transfer properties in the reactor, and are highly undesirable for strongly exothermic reactions.
In view of the above problems, it is desirable to provide a reactor suitable for liquid-solid reactions.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a horizontal biax stirring reaction unit to solve current tubular stirring reactor and when carrying out liquid solid reaction, there is the solid material problem that causes ejection of compact jam easily.
In order to achieve the above object, the utility model provides a horizontal biax stirring reaction unit, this horizontal biax stirring reaction unit includes: casing, rotatable first (mixing) shaft and second (mixing) shaft and stirring overflow plate. The shell is provided with a feed inlet and a discharge outlet; the first stirring shaft and the second stirring shaft are arranged in the shell, the stirring blades at the corresponding positions of the first stirring shaft and the second stirring shaft are mutually meshed, the minimum distance between each stirring blade and the shell is 1-10 mm, and the first stirring shaft and the second stirring shaft can rotate in opposite directions or in the same direction; the stirring overflow plate is arranged in the shell and communicated with the discharge hole, and the stirring overflow plate can control the retention time of the materials in the shell.
Further, the stirring overflow plate includes: the overflow plate body is provided with a hollow area, and materials discharged from the shell are discharged through the hollow area; each stirring vane sets up on the overflow plate body, and stirring vane corresponds the setting with the fretwork region, and at least partial stirring vane is connected with the fretwork region.
Further, the overflow plate body is circular, and the fretwork is regional along the circumference of overflow plate body and arranges.
Further, the minimum height of overflow plate body is higher than the minimum height of discharge gate.
Furthermore, the first stirring shaft comprises a first stirring shaft sleeve, a first stirring disc and a first stirring blade which are sequentially connected, the first stirring blade is arranged on the first stirring disc, and the first stirring blade is arranged along the clockwise direction of the first stirring shaft sleeve; the second stirring shaft comprises a second stirring shaft sleeve, a second stirring disc and a second stirring blade which are sequentially connected, the second stirring blade is arranged on the second stirring disc, and the second stirring blade is matched with the first stirring blade and is arranged along the anticlockwise direction of the second stirring shaft sleeve; marking the included angle between the first stirring blade and the first stirring shaft sleeve as theta 1 And the included angle between the second stirring blade and the second stirring shaft sleeve is recorded as theta 2 ，θ 1 And theta 2 Are all less than 90 DEG, and theta 1 ＞θ 2 。
Further, the number ratio of the first stirring blades to the second stirring blades is (2-10): (1-9).
Furthermore, the first stirring plate and the second stirring plate are polygonal stirring plates; the first stirring blade and the second stirring blade are respectively arranged at the vertex positions of the first stirring plate and the second stirring plate.
Further, the first stirring blade and the second stirring blade are chevron-shaped stirring blades.
Further, horizontal biax stirring reaction unit still includes continuous discharge device, and continuous discharge device is provided with first entry and product export, and first entry and discharge gate intercommunication set up for the reactant who will discharge from the discharge gate is discharged in succession.
Further, the continuous discharge device is selected from a twin screw discharge device, a single screw discharge device, or a gear pump discharge device.
Use the technical scheme of the utility model, the minimum distance between leaf and the casing will be stirred and horizontal biax stirring reaction unit is makeed in above-mentioned within range to inject in the use, and the stirring leaf can scrape reaction unit's pipe wall, and first (mixing) shaft and second (mixing) shaft intermeshing, and the scraping of each other consequently can get rid of the material that adheres to on pipe wall and paddle, reduces the material and piles up the risk that influences stirring and reaction. Meanwhile, the stirring overflow device is arranged at the discharge port, so that the retention time of the materials in the horizontal double-shaft stirring reaction device can be prolonged, and the materials discharged from the discharge port can be discharged in a solid-liquid mixture mode, so that the solid materials are prevented from being bonded to block the discharge port. On the basis, the two functions enable the risk of solid materials being blocked to be greatly reduced when the horizontal double-shaft stirring reaction device is adopted to carry out liquid-solid reaction.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of a horizontal biaxial stirring reaction apparatus provided according to an exemplary embodiment of the present application;
FIG. 2 is a top view of a horizontal, dual-axis stirred reactor apparatus according to an exemplary embodiment of the present disclosure;
FIG. 3 is a side view of a horizontal biaxial stirring reaction apparatus according to a preferred embodiment of the present application;
FIG. 4 is a front view of an agitator overflow plate provided in a preferred embodiment of the present application;
fig. 5 is a side view of an agitating overflow plate provided in a preferred embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a housing; 20. a first stirring shaft; 21. a first stirring shaft sleeve; 22. a first stirring plate; 23. a first stirring blade; 30. A second stirring shaft; 31. a second stirring shaft sleeve; 32. a second stirring plate; 33. a second stirring blade; 40. stirring the overflow plate; 41. An overflow plate body; 42. a stirring blade; 50. a continuous discharge device; 60. an auxiliary component; 61. a cylinder support; 62. a jacket; 63. a seal assembly; 64. a flange; 65. a frame; 70. a power plant; 71. a motor; 72. a double-shaft output shaft speed reducer; 73. a coupling is provided.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail with reference to examples.
As described in the background art, the existing tubular stirred reactor has the problem that solid materials are easy to cause discharge blockage when the liquid-solid reaction is carried out. In order to solve the above technical problems, the present application provides a horizontal type biaxial stirring reaction device, as shown in fig. 1 to 3, comprising: the stirring device comprises a shell 10, a first stirring shaft 20, a second stirring shaft 30 and a stirring overflow plate 40, wherein the first stirring shaft and the second stirring shaft are rotatable. The shell 10 is provided with a feeding hole and a discharging hole; the first stirring shaft 20 and the second stirring shaft 30 are arranged inside the shell 10, the stirring blades at the corresponding positions of the first stirring shaft 20 and the second stirring shaft 30 are mutually meshed, the minimum distance between each stirring blade and the shell 10 is 1-10 mm, and the first stirring shaft 20 and the second stirring shaft 30 can rotate in opposite directions or in the same direction; the stirring overflow plate 40 is arranged inside the casing 10 and is communicated with the discharge hole, and the stirring overflow plate 40 can control the residence time of the materials in the casing 10.
The minimum distance between the stirring blades and the shell 10 is limited in the range, so that the stirring blades can scrape the pipe wall of the reaction device in the using process of the horizontal double-shaft stirring reaction device, the first stirring shaft 20 and the second stirring shaft 30 are mutually meshed and mutually scraped, materials attached to the pipe wall and the blades can be removed, and the risk of influence on stirring and reaction caused by material accumulation is reduced. Meanwhile, the stirring overflow device is arranged at the discharge port, so that the retention time of the materials in the horizontal double-shaft stirring reaction device can be prolonged, and the materials discharged from the discharge port can be discharged in a solid-liquid mixture mode, so that the solid materials are prevented from being bonded to block the discharge port. On the basis, the two functions enable the risk of solid materials being blocked to be greatly reduced when the horizontal double-shaft stirring reaction device is adopted to carry out liquid-solid reaction. The minimum distance between the stirring blade and the shell 10 can be selected to be 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm according to specific use effects.
In a preferred embodiment, as shown in fig. 4 and 5, the stirring overflow plate 40 includes: an overflow plate body 41 and at least one stirring blade 42. The overflow plate body 41 has a hollow area through which the material discharged from the housing 10 is discharged; each stirring blade 42 is arranged on the overflow plate body 41, the stirring blades 42 are arranged corresponding to the hollow areas, and at least part of the stirring blades 42 are connected with the hollow areas. The arrangement of the stirring overflow plate can increase the residence time and the reaction time of the materials, and the arrangement of the stirring blades 42 on the stirring overflow plate 40 can reduce the risk of the materials being coagulated and blocked at the position of the overflow plate body 41.
The shape of the overflow plate body 41 and the position of the hollowed-out area on the overflow plate body 41 can be set arbitrarily as long as the effect of overflow can be achieved. For example, the overflow plate body 41 is circular, and the hollowed-out areas are arranged along the circumference of the overflow plate body 41.
In order to further enhance the inhibition effect of the stirring overflow plate 40 on the sticking and blocking of the solid materials, it is preferable that the lowest height of the overflow plate body 41 is higher than the lowest height of the discharge port.
For convenience of description, the stirring blades on the first stirring shaft 20 and the second stirring shaft 30 are named separately. In a preferred embodiment, as shown in fig. 1 to 3, the first stirring shaft 20 includes a first stirring shaft sleeve 21, a first stirring plate 22 and a first stirring blade 23 connected in sequence, the first stirring blade 23 is disposed on the first stirring plate 22, and the first stirring blade 23 is disposed along a clockwise direction of the first stirring shaft sleeve 21; the second stirring shaft 30 comprises a second stirring shaft sleeve 31, a second stirring disc 32 and a second stirring blade 33 which are sequentially connected, the second stirring blade 33 is arranged on the second stirring disc 32, and the second stirring blade 33 is matched with the first stirring blade 23 and is arranged along the anticlockwise direction of the second stirring shaft sleeve 31; the included angle between the first stirring blade 23 and the first stirring shaft sleeve 21 is recorded as theta 1 The included angle between the second stirring blade 33 and the second stirring shaft sleeve 31 is marked as theta 2 And theta 1 And theta 2 Are all less than 90 DEG, and theta 1 ＞θ 2 . The first stirring blade 23 and the second stirring blade 33 are arranged in a reverse inclined relationship, which is beneficial to improving the scraping effect between the first stirring blade 23 and the second stirring blade 33, and is also beneficial to improving the mixing uniformity of the solid-liquid mixture in the reaction process. And theta 1 And theta 2 Are all less than 90 DEG, and theta 1 ＞θ 2 In the process, the discharge speed of the solid materials in the horizontal double-shaft stirring reaction device is further improved, so that the deposition or blockage of the object materials in the shell 10 is prevented.
In order to further improve the discharging effect and reduce the risk of blockage, it is preferable that the included angle θ between each first stirring blade 23 and the first stirring shaft sleeve 21 1 Each independently selected from 1 to 89 degrees, more preferably 1 to 10 degrees.
In order to further increase the discharge speed, the number of the first stirring vanes 23 should be more than the number of the second stirring vanes 33. In a preferred embodiment, the number ratio of the first stirring vanes 23 to the second stirring vanes 33 is (2-10): 1-9.
In a preferred embodiment, as shown in FIG. 3, first agitator disk 22 and second agitator disk 32 are polygonal-shaped agitator disks; the first stirring vanes 23 and the second stirring vanes 33 are disposed at the vertex positions of the first stirring plate 22 and the second stirring plate 32, respectively. The arrangement mode can realize the multi-speed coordination stirring of the solid materials in the horizontal double-shaft reaction device, thereby being beneficial to further improving the transfer rate of the solid materials. The shape of the stirring blade may be selected from those commonly used in the art, and in order to further enhance the stirring effect, it is preferable that the first stirring blade 23 and the second stirring blade 33 are chevron-shaped stirring blades. The chevron type stirring leaf can be provided with a plurality ofly, and the angle of each chevron type stirring leaf is different to improve the stirring effect better.
In a preferred embodiment, as shown in fig. 1, the horizontal type double-shaft stirring reaction device further comprises a continuous discharging device 50, wherein the continuous discharging device 50 is provided with a first inlet and a product outlet, and the first inlet is communicated with the discharge port and is used for continuously discharging the reactant discharged from the discharge port. Can shift out from discharge gate exhaust solid material more fast through setting up continuous discharge device 50 to further reduce highly glutinous fluid or solid particulate matter and pile up at the discharge gate, cause the risk of ejection of compact jam, go on smoothly with this assurance serialization reaction. More preferably, the continuous discharge device 50 is selected from a twin screw discharge device, a single screw discharge device, or a gear pump discharge device.
In a preferred embodiment, as shown in fig. 3, the above-mentioned shell 10 has a cross section of two connected circles, and the first stirring shaft 20 and the second stirring shaft 30 are respectively arranged at the axial positions of the two cylinders to facilitate better stirring of the solid material in the shell 10.
In a preferred embodiment, as shown in FIG. 1, the horizontal type biaxial stirring reaction device further comprises an auxiliary assembly 60. The sub-assembly 60 includes a cartridge holder 61, a collet 62, a seal assembly 63, a flange 64, and a frame 65. Wherein, the two ends of the shell 10 are provided with cylinder supports 61, the outside of the shell 10 is provided with a jacket 62, and the jacket 62 is provided with an inlet and an outlet. One end of the shell 10 is fixedly connected with a sealing assembly 63, the sealing assembly 63 is fixedly connected with a frame 65 through a flange 64, the first stirring shaft 20 and the second stirring shaft 30 are fixedly installed through bearings on the frame 65, and the sealing assembly 63 between the first stirring shaft 20 and the shell 10 and between the second stirring shaft 30 and the shell 10 completes sealing.
In a preferred embodiment, as shown in fig. 1, the horizontal type double-shaft stirring reaction device further comprises a power device 70, the power device 70 comprises a motor 71, a double-shaft output shaft speed reducer 72 and a coupling 73, the first stirring shaft 20 and the second stirring shaft 30 are simultaneously connected with the double-shaft output shaft speed reducer 72 through the coupling 73, and the double-shaft output shaft speed reducer 72 is connected with the motor 71. The first stirring shaft 20 and the second stirring shaft 30 are driven by the motor 71 to rotate, and the rotating speed of the double shafts is inversely proportional to the number of the first stirring blades 23 and the second stirring blades 33.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: when the horizontal double-shaft stirring reaction device is used for liquid-solid reaction, the risk of blockage of solid materials can be greatly reduced.
It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those described or illustrated herein.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The horizontal double-shaft stirring reaction device is characterized by comprising:
the device comprises a shell (10), wherein the shell (10) is provided with a feeding hole and a discharging hole;
the stirring device comprises a first stirring shaft (20) and a second stirring shaft (30) which can rotate, wherein the first stirring shaft (20) and the second stirring shaft (30) are arranged inside a shell (10), stirring blades at corresponding positions of the first stirring shaft (20) and the second stirring shaft (30) are meshed with each other, the minimum distance between each stirring blade and the shell (10) is 1-10 mm, and the first stirring shaft (20) and the second stirring shaft (30) can rotate in opposite directions or in the same direction;
the stirring overflow plate (40) is arranged in the shell (10) and is communicated with the discharge hole, and the stirring overflow plate (40) can control the retention time of the materials in the shell (10);
the stirring overflow plate (40) comprises:
an overflow plate body (41), the overflow plate body (41) having a hollowed out area through which material discharged from the housing (10) is discharged;
at least one stirring blade (42), wherein each stirring blade (42) is arranged on the overflow plate body (41), the stirring blades (42) are arranged corresponding to the hollow-out areas, and at least part of the stirring blades (42) are connected with the hollow-out areas;
the lowest height of the overflow plate body (41) is higher than that of the discharge hole.
2. The horizontal type double-shaft stirring reaction device as recited in claim 1, wherein the overflow plate body (41) is circular, and the hollowed-out area is arranged along the circumference of the overflow plate body (41).
3. The horizontal type biaxial stirring reaction device according to claim 1, wherein the first stirring shaft (20) comprises a first stirring shaft sleeve (21), a first stirring disc (22) and a first stirring blade (23) which are connected in sequence, the first stirring blade (23) is arranged on the first stirring disc (22), and the first stirring blade (23) is arranged along the clockwise direction of the first stirring shaft sleeve (21);
the second stirring shaft (30) comprises a second stirring shaft sleeve (31), a second stirring disc (32) and a second stirring blade (33) which are sequentially connected, the second stirring blade (33) is arranged on the second stirring disc (32), and the second stirring blade (33) is matched with the first stirring blade (23) and is arranged along the anticlockwise direction of the second stirring shaft sleeve (31);
recording the included angle between the first stirring blade (23) and the first stirring shaft sleeve (21) as theta 1 The included angle between the second stirring blade (33) and the second stirring shaft sleeve (31) is recorded as theta 2 And said θ is 1 And said theta 2 Are all less than 90 DEG, and said theta 1 Theta > said 2 。
4. The horizontal type biaxial stirring reaction device according to claim 3, wherein the ratio of the number of the first stirring vanes (23) to the number of the second stirring vanes (33) is (2 to 10): (1-9).
5. The horizontal biaxial stirring reaction device according to claim 3, wherein the first stirring disk (22) and the second stirring disk (32) are polygonal stirring disks; the first stirring blade (23) and the second stirring blade (33) are respectively arranged at the vertex positions of the first stirring disc (22) and the second stirring disc (32).
6. The horizontal type biaxial stirring reaction device according to claim 5, wherein the first stirring blade (23) and the second stirring blade (33) are chevron-shaped stirring blades.
7. The horizontal type biaxial stirring reaction device according to claim 5, further comprising a continuous discharge device (50), wherein the continuous discharge device (50) is provided with a first inlet and a product outlet, and the first inlet is communicated with the discharge port and is used for continuously discharging the reactants discharged from the discharge port.
8. The horizontal biaxial agitated reactor device according to claim 7, wherein the continuous discharge device (50) is selected from a twin screw discharge device, a single screw discharge device or a gear pump discharge device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220249825.7U CN217367959U (en) | 2022-02-07 | 2022-02-07 | Horizontal double-shaft stirring reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220249825.7U CN217367959U (en) | 2022-02-07 | 2022-02-07 | Horizontal double-shaft stirring reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217367959U true CN217367959U (en) | 2022-09-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220249825.7U Active CN217367959U (en) | 2022-02-07 | 2022-02-07 | Horizontal double-shaft stirring reaction device |
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| Country | Link |
|---|---|
| CN (1) | CN217367959U (en) |
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2022
- 2022-02-07 CN CN202220249825.7U patent/CN217367959U/en active Active
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