CN221245080U - Reation kettle pre-mixes structure - Google Patents
Reation kettle pre-mixes structure Download PDFInfo
- Publication number
- CN221245080U CN221245080U CN202323220420.4U CN202323220420U CN221245080U CN 221245080 U CN221245080 U CN 221245080U CN 202323220420 U CN202323220420 U CN 202323220420U CN 221245080 U CN221245080 U CN 221245080U
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- Prior art keywords
- premixing
- fixedly connected
- bin
- reaction kettle
- stirring
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 238000003756 stirring Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- VIMXTGUGWLAOFZ-UHFFFAOYSA-N ethyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate Chemical compound CCOC(=O)C1C(C=C(C)C)C1(C)C VIMXTGUGWLAOFZ-UHFFFAOYSA-N 0.000 abstract description 26
- 239000002904 solvent Substances 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 15
- 238000007363 ring formation reaction Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 2
- 239000000376 reactant Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012454 non-polar solvent Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle premixing structure, which comprises a mounting mechanism fixedly connected with a reaction kettle main body, wherein a premixing bin is fixedly arranged in the mounting mechanism, a liquid inlet pipe is arranged at a position close to the top end of the premixing bin on the periphery of the premixing bin, a discharging pipe is fixedly arranged at the bottom end of the premixing bin, a material guide pipe is fixedly connected between the discharging pipe and a material inlet of the reaction kettle main body, a stirring mechanism is arranged in the premixing bin, the stirring mechanism comprises a driving component fixedly arranged on the top surface of the premixing bin and a material feeding component in transmission connection with the driving component, the material feeding component penetrates through the top end of the premixing bin, and one end of the material feeding component positioned in the premixing bin is fixedly connected with a stirring component; through the setting of premixing storehouse and rabbling mechanism, can carry out premixing treatment with chrysanthemic acid ethyl ester and solvent before chrysanthemic acid ethyl ester cyclization reaction, avoid the inhomogeneous condition of reaction in-process appearance, help improving the purity of reaction efficiency and product.
Description
Technical Field
The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle premixing structure.
Background
The ethyl chrysanthemate cyclization reaction is a complex chemical reaction process, reaction conditions need to be controlled, contact of reactants is guaranteed, and the ethyl chrysanthemate cyclization reaction can be efficiently carried out under the control conditions by using a reaction kettle, so that higher reaction efficiency and yield are realized.
The reaction kettle comprises a main body groove body, a heating and cooling system, a stirring device and a feeding and discharging port; during operation, the reaction materials are injected into the reaction kettle through the feed inlet; the heating or cooling system provides the required temperature conditions, the stirring device starts to work, and the reaction materials are mixed; chemical reactions occur and the reactants are converted to products; after the reaction is finished, the product is taken out of the reaction kettle through a discharge port.
The existing reaction kettle has the following defects when being used for the cyclization reaction of the ethyl chrysanthemate:
When raw materials are added into the existing reaction kettle, different raw materials are led into the tank body through the feeding port in sequence, and the raw materials entering the tank body are unevenly distributed in the mode, so that reaction heterogeneity can be caused, and the quality and the yield of a product are affected.
Disclosure of utility model
The utility model aims to provide a reaction kettle premixing structure so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a reation kettle mixes structure in advance, includes fixedly connected with installation mechanism between the main part of reation kettle, fixed mounting has the storehouse of mixing in advance in the installation mechanism, be provided with the feed liquor pipe in the position that is close to its top on the periphery of storehouse of mixing in advance, the bottom fixed mounting who mixes the storehouse has the discharging pipe, be provided with the valve in the discharging pipe, the discharging pipe is kept away from and is provided with the passage between the one end of mixing in advance and the feed inlet of reation kettle main part in advance, be provided with rabbling mechanism in the storehouse of mixing in advance, rabbling mechanism include fixed mounting on the storehouse top surface of mixing in advance and with the feeding subassembly that the drive subassembly transmission is connected, feeding subassembly runs through the top of mixing in advance the storehouse, and feeding subassembly is located the inside one end fixedly connected with stirring subassembly of mixing in advance.
Further, the feeding assembly comprises a hollow shaft, the hollow shaft rotates to penetrate through the top surface of the premixing bin, the hollow shaft and the premixing bin are coaxially arranged, the top end and the bottom end of the hollow shaft are both opened, a feeding funnel is fixedly arranged at the top end of the hollow shaft, a hollow disc is fixedly connected to the bottom end of the hollow shaft in a penetrating manner, and the stirring assembly is fixedly connected to the bottom surface of the hollow disc;
The periphery of the hollow disc is provided with a plurality of taper holes in a circumferential array, a plurality of groups of flow control components which are equal to the taper holes in number are fixedly arranged on the inner bottom surface of the hollow disc, and the flow control components are respectively matched with the taper holes.
Further, the flow control assembly comprises a fixed seat fixedly arranged on the inner bottom surface of the hollow disc, one side, close to the corresponding conical hole, of the fixed seat is fixedly connected with an elastic telescopic rod coaxially arranged with the corresponding conical hole, and one end, far away from the fixed seat, of the elastic telescopic rod is fixedly connected with a conical plug arranged in the corresponding conical hole;
When the hollow disc is in a static state, the conical plug plugs the conical holes at corresponding positions under the action of the elasticity of the elastic telescopic rod.
Further, the driving assembly comprises a motor, a driving belt pulley and a driven belt pulley, the driven belt pulley is fixedly arranged on the periphery of the hollow shaft, the motor is fixedly arranged on the top surface of the premixing bin, the driving belt pulley is fixedly arranged at the shaft end of an output shaft of the motor, and a belt is arranged between the driving belt pulley and the driven belt pulley.
Further, the stirring assembly comprises a stirring shaft coaxially arranged in the premixing bin, the top end of the stirring shaft is fixedly connected with the bottom surface of the hollow disc, and a plurality of stirring blades which are uniformly distributed are fixedly connected to the periphery of the stirring shaft.
Further, the installation mechanism comprises a first supporting rod fixedly connected with the periphery of the reaction kettle body, one end, far away from the reaction kettle body, of the first supporting rod is fixedly connected with an installation seat located above the reaction kettle body, a plurality of second supporting rods are fixedly installed on the top surface of the installation seat, a plurality of second supporting rods are fixedly connected with a fixing ring on the top surface of the second supporting rod, and the fixing ring is fixedly installed at the middle position of the periphery of the premixing bin.
Further, a guide cover which is coaxially arranged with the premixing bin is fixedly arranged on the inner top surface of the premixing bin, and one side of the guide cover, which is far away from the top surface of the premixing bin, is fixedly connected with the inner wall of the premixing bin;
The air guide sleeve is of a conical structure, and the height of the middle part of the air guide sleeve is flush with the height of the hollow disc.
The utility model has the beneficial effects that:
1. According to the utility model, through the arrangement of the premixing bin and the stirring mechanism, the ethyl chrysanthemate and the solvent can be subjected to premixing treatment before the cyclization reaction of the ethyl chrysanthemate, and chrysanthemate possibly has certain solubility limit, and particularly when a nonpolar solvent is selected, the premixing operation can help dissolve chrysanthemate and the solvent to be fully mixed, so that reactants and the solvent in the reaction kettle can be fully mixed, uneven conditions in the reaction process are avoided, and the reaction efficiency and the purity of a product are improved.
2. According to the utility model, through the arrangement of the hollow disc and the plurality of conical holes formed in the periphery of the hollow disc and the driving of the driving assembly, the ethyl chrysanthemate can uniformly fall into the solvent during premixing, so that the mixing efficiency of the ethyl chrysanthemate and the solvent is accelerated.
3. According to the utility model, through the arrangement of the flow control assembly and the cooperation of the driving assembly, the opening degree of the conical hole can be adjusted, so that the rate of adding the ethyl chrysanthemate is controllable, the flexible adjustment of staff according to the mixing condition is facilitated, and the practicability of the device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic structural diagram of the connection relationship between the present utility model and the main body of the reaction kettle;
FIG. 2 is a schematic view of the structure of the interior of the premix chamber according to the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of the structure of the hollow disc of the present utility model in a closed state;
FIG. 5 is a schematic view showing the structure of the hollow disc in an opened state in the present utility model;
Wherein, the reference numerals are as follows:
The device comprises a 1-reaction kettle main body, a 2-support rod I, a 3-mounting seat, a 4-premixing bin, a 5-support rod II, a 6-fixed ring, a 7-discharge pipe, an 8-valve, a 9-material guiding pipe, a 10-stirring shaft, a 11-stirring blade, a 12-guide cover, a 13-material feeding funnel, a 14-driven belt pulley, a 15-belt, a 16-driving belt pulley, a 17-motor, a 18-hollow disc, a 19-hollow shaft, a 20-liquid feeding pipe, a 21-conical hole, a 22-conical plug, a 23-fixed seat and a 24-elastic telescopic rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
Referring to fig. 1-3, in the embodiment of the utility model, a pre-mixing structure of a reaction kettle comprises a mounting mechanism fixedly connected with a reaction kettle main body 1, a pre-mixing bin 4 is fixedly mounted in the mounting mechanism, a liquid inlet pipe 20 is arranged on the periphery of the pre-mixing bin 4 at a position close to the top end of the pre-mixing bin, a discharging pipe 7 is fixedly mounted at the bottom end of the pre-mixing bin 4, a valve 8 is arranged in the discharging pipe 7, a material guide pipe 9 is fixedly connected between one end of the discharging pipe far away from the pre-mixing bin 4 and a material inlet of the reaction kettle main body 1, a stirring mechanism is arranged in the pre-mixing bin 4, the stirring mechanism comprises a driving component fixedly mounted on the top surface of the pre-mixing bin 4 and a material feeding component in transmission connection with the driving component, the material feeding component penetrates through the top end of the pre-mixing bin 4, and one end of the material feeding component in the pre-mixing bin 4 is fixedly connected with the stirring component.
The feeding assembly comprises a hollow shaft 19, the hollow shaft 19 rotates to penetrate through the top surface of the premixing bin 4, the hollow shaft 19 and the premixing bin 4 are coaxially arranged, the top end and the bottom end of the hollow shaft 19 are both opened, the top end of the hollow shaft 19 is fixedly provided with a feeding funnel 13, the bottom end of the hollow shaft 19 is fixedly connected with a hollow disc 18 in a penetrating manner, and the bottom surface of the hollow disc 18 is fixedly connected with a stirring assembly;
A plurality of taper holes 21 are formed in the periphery of the hollow disc 18 in a circumferential array, a plurality of groups of flow control assemblies which are equal to the plurality of taper holes 21 in number are fixedly mounted on the inner bottom surface of the hollow disc 18, and the plurality of flow control assemblies are respectively matched with the plurality of taper holes 21.
The driving assembly comprises a motor 17, a driving belt pulley 16 and a driven belt pulley 14, the driven belt pulley 14 is fixedly arranged on the periphery of a hollow shaft 19, the motor 17 is fixedly arranged on the top surface of the premixing bin 4, the driving belt pulley 16 is fixedly arranged at the shaft end of an output shaft of the motor 17, and a belt 15 is arranged between the driving belt pulley 16 and the driven belt pulley 14.
The stirring assembly comprises a stirring shaft 10 coaxially arranged in the premixing bin 4, the top end of the stirring shaft 10 is fixedly connected with the bottom surface of the hollow disc 18, and a plurality of stirring blades 11 which are uniformly distributed are fixedly connected to the periphery of the stirring shaft 10.
The mounting mechanism comprises a first support rod 2 fixedly connected with the periphery of the reaction kettle body 1, one end, away from the reaction kettle body 1, of the first support rod 2 is fixedly connected with a mounting seat 3 located above the reaction kettle body 1, a plurality of second support rods 5 are fixedly mounted on the top surface of the mounting seat 3, a fixing ring 6 is fixedly connected with the top surface of the plurality of second support rods 5, and the fixing ring 6 is fixedly mounted at the middle position of the periphery of the premixing bin 4.
The utility model is used when in use:
Firstly, a solvent required by the cyclization reaction of the ethyl chrysanthemate in a premixing bin 4 is put into a liquid inlet pipe 20, after the addition is completed, the liquid inlet pipe 20 is closed, then a motor 17 is started, the motor 17 drives a hollow shaft 19 to rotate through a driving belt pulley 16, a belt 15 and a driven belt pulley 14, the hollow shaft 19 drives a hollow disc 18 to rotate, and the hollow disc 18 drives a stirring shaft 10 to rotate; then ethyl chrysanthemate is added through a feeding funnel 13, the ethyl chrysanthemate enters a hollow disc 18 through a hollow shaft 19, the ethyl chrysanthemate in the hollow disc 18 is thrown into a premixing bin 4 through a plurality of conical holes 21 under the rotation of the hollow disc 18, so that the upper part of the premixing bin 4 uniformly falls into a solvent at the lower part, and meanwhile, a stirring shaft 10 drives a stirring blade 11 to stir and mix the ethyl chrysanthemate and the solvent; then observing the mixing degree of the ethyl chrysanthemate and the solvent, and opening a valve 8 after the mixing is completed, so that the solution in the premixing bin 4 enters the main body of the reaction kettle through a material guiding pipe 9;
According to the utility model, through the arrangement of the premixing bin 4 and the stirring mechanism, the ethyl chrysanthemate and the solvent can be subjected to premixing treatment before the cyclization reaction of the ethyl chrysanthemate, and chrysanthemate possibly has certain solubility limit, and particularly when a nonpolar solvent is selected, the premixing operation can help dissolve chrysanthemate and fully mix the chrysanthemate with the solvent, so that reactants and the solvent in the reaction kettle can be fully mixed, uneven conditions in the reaction process are avoided, and the reaction efficiency and the purity of a product are improved.
Through the setting of hollow dish 18 and a plurality of bell mouth 21 of seting up at hollow dish 18 periphery, the drive of cooperation drive assembly again for the ethyl chrysanthemate can evenly fall into the solvent when premixing, thereby has accelerated the mixing efficiency between ethyl chrysanthemate and the solvent.
Example 2:
Referring to fig. 3 to 5, on the basis of embodiment 1, the flow control assembly includes a fixed seat 23 fixedly mounted on the inner bottom surface of the hollow disc 18, an elastic telescopic rod 24 coaxially disposed with the corresponding tapered hole 21 is fixedly connected to one side of the fixed seat 23 adjacent to the corresponding tapered hole 21, and a tapered plug 22 disposed in the corresponding tapered hole 21 is fixedly connected to one end of the elastic telescopic rod 24 away from the fixed seat 23;
When the hollow disc 18 is in a static state, the conical plug 22 seals the conical hole 21 at the corresponding position under the elastic action of the elastic telescopic rod 24.
When the hollow disc 18 rotates, the conical plug 22 is displaced towards the outside of the conical hole 21 under the action of centrifugal force, so that a gap exists between the conical plug 22 and the conical hole 21, and ethyl chrysanthemate in the hollow disc 18 can enter the premixing bin 4 through the gap; the centrifugal force that the conical plug 22 receives can be adjusted through the rotation of control drive hollow disc 18 in-process to control the interval size between conical plug 22 and the bell mouth 21, can adjust the aperture of bell mouth 21 through the rotational speed that changes motor 17 promptly, thereby make the speed of adding the ethyl chrysanthemate be controllable, make things convenient for the staff to carry out nimble adjustment according to the mixed condition, improved the practicality of device.
Example 3:
Referring to fig. 2, on the basis of embodiment 2, a guide cover 12 coaxially arranged with the premixing bin 4 is fixedly installed on the inner top surface of the premixing bin 4, and one side of the guide cover 12 far away from the top surface of the premixing bin 4 is fixedly connected with the inner wall of the premixing bin 4;
The air guide sleeve 12 is of a conical structure, and the height of the middle part of the air guide sleeve 12 is flush with the height of the hollow disc 18.
Through the arrangement of the air guide sleeve 12, the ethyl chrysanthemate thrown out of the hollow disc 18 collides with the inner side of the air guide sleeve 12, and under the flow guide effect of the air guide sleeve 12, the ethyl chrysanthemate flows to the inner wall of the premixing bin 4 and finally flows into the solvent; therefore, the arrangement of the air guide sleeve 12 can avoid the sputtering condition caused by direct collision between the ethyl chrysanthemate and the inner wall of the premixing bin 4, so that the ethyl chrysanthemate can uniformly and stably flow into the solvent, and the premixing efficiency is further improved.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. The utility model provides a reation kettle pre-mixing structure, its characterized in that, including fixedly connected with installation mechanism between with reation kettle main part (1), fixedly mounted has in the installation mechanism to mix storehouse (4), be provided with feed liquor pipe (20) in the position near its top on the periphery of premixing storehouse (4), the bottom fixed mounting who mixes storehouse (4) has discharging pipe (7), be provided with valve (8) in discharging pipe (7), fixedly connected with feed conduit (9) between the one end that mixes storehouse (4) and the feed inlet of reation kettle main part (1) are kept away from to discharging pipe (7), be provided with rabbling mechanism in premixing storehouse (4), rabbling mechanism include fixed mounting on the top surface of premixing storehouse (4) and with the feeding subassembly that the drive assembly transmission is connected, feeding subassembly runs through the top of premixing storehouse (4), and the one end fixedly connected with stirring subassembly that feeding subassembly is located the premixing storehouse (4) inside.
2. The reaction kettle premixing structure according to claim 1, characterized in that the feeding assembly comprises a hollow shaft (19), the hollow shaft (19) rotates to penetrate through the top surface of the premixing bin (4), the hollow shaft (19) and the premixing bin (4) are coaxially arranged, the top end and the bottom end of the hollow shaft (19) are both open, the top end of the hollow shaft (19) is fixedly provided with a feeding funnel (13), the bottom end of the hollow shaft (19) is fixedly connected with a hollow disc (18), and the bottom surface of the hollow disc (18) is fixedly connected with the stirring assembly;
A plurality of taper holes (21) are formed in the periphery of the hollow disc (18) in a circumferential array mode, a plurality of groups of flow control assemblies which are equal to the taper holes (21) in number are fixedly mounted on the inner bottom surface of the hollow disc (18), and the flow control assemblies are matched with the taper holes (21) respectively.
3. The reaction kettle premixing structure according to claim 2, characterized in that the flow control assembly comprises a fixed seat (23) fixedly installed on the inner bottom surface of the hollow disc (18), an elastic telescopic rod (24) coaxially arranged with the corresponding conical hole (21) is fixedly connected to one side of the fixed seat (23) close to the corresponding conical hole (21), and a conical plug (22) arranged in the corresponding conical hole (21) is fixedly connected to one end of the elastic telescopic rod (24) far away from the fixed seat (23);
when the hollow disc (18) is in a static state, the conical plug (22) plugs the conical hole (21) at the corresponding position under the action of the elastic force of the elastic telescopic rod (24).
4. The reaction kettle premixing structure according to claim 2, characterized in that the driving assembly comprises a motor (17), a driving pulley (16) and a driven pulley (14), the driven pulley (14) is fixedly arranged on the periphery of a hollow shaft (19), the motor (17) is fixedly arranged on the top surface of the premixing bin (4), the driving pulley (16) is fixedly arranged at the shaft end of an output shaft of the motor (17), and a belt (15) is arranged between the driving pulley (16) and the driven pulley (14).
5. The reaction kettle premixing structure according to claim 2, characterized in that the stirring assembly comprises a stirring shaft (10) coaxially arranged in the premixing bin (4), the top end of the stirring shaft (10) is fixedly connected with the bottom surface of the hollow disc (18), and a plurality of stirring blades (11) which are uniformly distributed are fixedly connected to the periphery of the stirring shaft (10).
6. The reaction kettle premixing structure according to claim 1, wherein the mounting mechanism comprises a first support rod (2) fixedly connected with the periphery of the reaction kettle main body (1), one end of the first support rod (2) away from the reaction kettle main body (1) is fixedly connected with a mounting seat (3) positioned above the reaction kettle main body (1), a plurality of second support rods (5) are fixedly mounted on the top surface of the mounting seat (3), a plurality of second support rods (5) are fixedly connected with a fixing ring (6) on the top surface of the second support rods, and the fixing ring (6) is fixedly mounted at the middle position of the periphery of the premixing bin (4).
7. The reaction kettle premixing structure according to claim 2, characterized in that a guide cover (12) coaxially arranged with the premixing bin (4) is fixedly arranged on the inner top surface of the premixing bin (4), and one side of the guide cover (12) far away from the top surface of the premixing bin (4) is fixedly connected with the inner wall of the premixing bin (4);
The air guide sleeve (12) is of a conical structure, and the height of the middle part of the air guide sleeve (12) is flush with the height of the hollow disc (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323220420.4U CN221245080U (en) | 2023-11-28 | 2023-11-28 | Reation kettle pre-mixes structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323220420.4U CN221245080U (en) | 2023-11-28 | 2023-11-28 | Reation kettle pre-mixes structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221245080U true CN221245080U (en) | 2024-07-02 |
Family
ID=91626128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323220420.4U Active CN221245080U (en) | 2023-11-28 | 2023-11-28 | Reation kettle pre-mixes structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221245080U (en) |
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2023
- 2023-11-28 CN CN202323220420.4U patent/CN221245080U/en active Active
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