Polyimide dissolving reaction kettle
By using heating components and stirring mechanisms in the polyimide reactor, the problem of uneven temperature control inside the reactor was solved, achieving uniform heating and efficient stirring of the raw materials, and improving the efficiency of the reactor.
Patent Information
- Application Number
- CN202423157596.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-20
AI Technical Summary
The existing polyimide reactors have uneven temperature control at the center of the reactor interior, which affects reaction efficiency and temperature uniformity.
The heating components, including heating wires and heating rods, simultaneously heat the outside and the middle of the raw materials inside the vessel, and the stirring mechanism agitates and mixes the materials inside the vessel to ensure uniform heating and constant temperature control.
It achieves uniform heating and constant temperature control of raw materials inside the reactor, improves reaction efficiency and stirring effect, and enhances the utilization efficiency of the reactor.
Smart Images
Figure CN223747547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of polyimide preparation, in particular to a polyimide dissolving reaction kettle. BACKGROUND
[0002] Polyimide refers to a kind of polymer containing imide ring in main chain, and it is one of the best organic high molecular materials in comprehensive performance.Its high temperature resistance reaches 400 DEG C or more, long-term use temperature range-200~300 DEG C, part has no obvious melting point, and it has high insulation performance.The preparation of polyimide needs to be mixed with raw materials and solvent into the reaction kettle interior and carry out mixing reaction, and the temperature in the reaction kettle interior needs to be constant temperature control during reaction.The existing technology announcement No.CN218795890U proposes a kind of reaction kettle for efficiently preparing polyimide solid.The stirring mechanism includes stirring vane and stirring impeller, the diameter of stirring vane is greater than the diameter of basin mouth of kettle basin, stirring vane is double-blade, the axis of stirring vane is perpendicular to the axis of stirring impeller, stirring impeller and stirring vane are used for the stirring in horizontal direction and vertical direction in kettle basin respectively, constant temperature cavity is arranged in the side wall of kettle basin, and oil pipe is arranged in constant temperature cavity.But it is not easy to control the temperature of raw materials in the center of reaction kettle, which will make the internal temperature of raw materials not uniform enough, and will affect the reaction efficiency of raw materials in the reaction kettle, and the use effect is not good enough. CONTENT OF UTILITY MODEL
[0003] To solve the above technical problems, the utility model provides a kind of polyimide dissolving reaction kettle, which can make the heating of raw materials more uniform, the constant temperature control effect of raw materials is better, and the effect of fully stirring polyimide slurry is facilitated, the use efficiency of reaction kettle is improved.
[0004] The utility model discloses a kind of polyimide dissolving reaction kettle, including kettle body, feed pipe, discharge pipe, heating assembly, agitating mechanism and limiting component, kettle body upper portion is equipped with feed pipe, kettle body bottom end is equipped with discharge pipe, valve is provided on discharge pipe, heating assembly is installed in kettle body interior, agitating mechanism is installed in kettle body top by limiting component, and agitating mechanism lower part is located in kettle body interior;Material is added to kettle body by feed pipe, the outside and middle of raw materials in kettle body interior can be heated simultaneously by heating assembly, so that the heating of raw materials is more uniform, the constant temperature control effect of raw materials is better, and then the reaction efficiency of raw materials in the inner shell of kettle body can be effectively improved, the use effect is better, material in kettle body interior can be stirred and mixed by agitating mechanism, so as to facilitate the effect of fully stirring polyimide slurry, the use efficiency of reaction kettle is improved.
[0005] Preferably, the heating assembly comprises a heating wire, a heating controller and a plurality of heating rods, a heating cavity is formed in the middle of the inner wall of the kettle body, the heating wire is installed inside the heating cavity, the heating controller is installed at the bottom of the kettle body, a plurality of heating rods are uniformly connected to the heating controller, and the plurality of heating rods are axially and uniformly installed in the middle of the kettle body; during use, the heating wire and the plurality of heating rods can simultaneously heat the outside and the middle of the raw materials in the kettle body, so that the raw materials are heated more uniformly, the constant temperature control effect of the raw materials is better, and the reaction efficiency of the raw materials in the kettle body can be effectively improved, and the use effect is better.
[0006] Preferably, the stirring mechanism comprises a driving motor, a stirring shaft, a plurality of connecting rods, a plurality of vertical rods, a plurality of support rods, a plurality of stirring blades and a mixing assembly, the driving motor is located at the top of the kettle body, the output end of the driving motor is connected with the stirring shaft through the top of the kettle body, the stirring shaft is located in the middle of the kettle body, a plurality of connecting rods are axially and uniformly installed on the upper outer wall of the stirring shaft, the vertical rods are connected to the bottom of the connecting rods, the vertical rods are fixedly connected to the lower part of the outer wall of the stirring shaft through the support rods, the stirring blades are fixedly installed on the vertical rods, and a plurality of round holes are formed in the stirring blades.
[0007] Preferably, the limiting assembly comprises a fixed table, a driving shaft, a support turntable and a lifting rotating ring, the fixed table is fixedly connected to the top of the kettle body, the driving motor is fixedly connected to the top of the fixed table, the output end of the driving motor is connected with the driving shaft, the bottom of the driving shaft is fixedly connected to the top of the stirring shaft, a limiting rotating cavity is formed in the middle of the fixed table and the top of the kettle body, the support turntable is fixedly installed on the outer wall of the driving shaft and rotates in the limiting rotating cavity, a lifting rotating groove is formed in the top of the limiting rotating cavity, the lifting rotating ring rotates in the lifting rotating groove, and the bottom of the lifting rotating ring is fixedly connected to the top of the support turntable; when the driving motor is started, the driving shaft is driven to rotate, the driving shaft drives the support turntable to rotate in the limiting rotating cavity, and the support turntable drives the lifting rotating ring to rotate in the lifting rotating groove, so as to guide and limit the driving shaft and ensure stability.
[0008] Preferably, the mixing assembly comprises a plurality of inclined connecting rods, a fixed ring, a plurality of stirring rods and a plurality of groups of stirring support rods, the plurality of inclined connecting rods are axially and uniformly fixedly installed on the upper outer wall of the stirring shaft, the fixed ring is connected to the bottom of the inclined connecting rod, a round hole is formed in the fixed ring, a plurality of stirring rods are uniformly installed on the bottom of the fixed ring, and a plurality of groups of stirring support rods are uniformly installed on the stirring rods; when the stirring shaft rotates, the fixed ring is driven to rotate through the inclined connecting rod, the fixed ring drives the stirring rod and the stirring support rod to rotate, the outside of the raw materials in the kettle body is stirred, the outside and the middle of the raw materials in the kettle body can be simultaneously stirred, the stirring and mixing quality is improved, and the practicability is improved.
[0009] Preferably, the plurality of scrapers are uniformly arranged on the outer wall of the fixed ring in an axial direction, the bottom of the scraper is connected with the bottom of the stirring rod, and the scraper is in sliding contact with the inner wall of the kettle body.
[0010] Preferably, the plurality of legs, the plurality of arc-shaped bases and the heat insulation sleeve are arranged, the plurality of legs are fixedly connected to the outer wall of the lower part of the kettle body in an axial direction, the arc-shaped base is arranged at the bottom of the leg, and the heat insulation sleeve is sleeved on the outside of the heating cavity.
[0011] Compared with the prior art, the material is added into the kettle body through the feeding pipe, the heating assembly can simultaneously heat the outside and the middle of the raw material in the kettle body, the raw material is uniformly heated, the constant temperature control effect of the raw material is good, and thus the reaction efficiency of the raw material in the inner shell of the kettle body can be effectively improved, the use effect is good, the material in the kettle body can be stirred and mixed through the stirring mechanism, the polyimide slurry can be fully stirred, and the use efficiency of the reaction kettle is improved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 is a structural schematic diagram of the utility model;
[0013] Figure 2 is a structural schematic diagram of the utility model;
[0014] Figure 3 is a front view sectional structure schematic diagram of the utility model;
[0015] Figure 4 is an upper sectional structure schematic diagram of the utility model;
[0016] Figure 5 is a structural schematic diagram of the stirring mechanism of the utility model;
[0017] In the drawings, 1 is a kettle body, 2 is a feeding pipe, 3 is a leg, 4 is an arc-shaped base, 5 is a discharge pipe, 6 is a heating wire, 7 is a heating controller, 8 is a heating cavity, 9 is a heating rod, 10 is a driving motor, 11 is a stirring shaft, 12 is a connecting rod, 13 is a vertical rod, 14 is a supporting rod, 15 is a stirring blade, 16 is an inclined connecting rod, 17 is a fixed ring, 18 is a stirring rod, 19 is a stirring support rod, 20 is a scraper, 21 is a fixed table, 22 is a driving shaft, 23 is a supporting turntable, 24 is a lifting rotating ring, and 25 is a heat insulation sleeve. DETAILED DESCRIPTION
[0018] For the purpose of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0019] Embodiment 1
[0020] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , the kettle body 1 is provided with a feeding pipe 2 at the upper part, a discharging pipe 5 is installed at the bottom end of the kettle body 1, a valve is arranged on the discharging pipe 5, a heating cavity 8 is formed in the middle of the inner wall of the kettle body 1, heating wires 6 are installed inside the heating cavity 8, a heating controller 7 is installed at the bottom of the kettle body 1, a plurality of heating rods 9 are uniformly connected to the heating controller 7, the plurality of heating rods 9 are axially and uniformly installed inside the kettle body 1, a driving motor 10 is located at the top of the kettle body 1, an output end of the driving motor 10 is connected with a stirring shaft 11 through the top of the kettle body 1, the stirring shaft 11 is located at the middle of the kettle body 1, a plurality of connecting rods 12 are axially and uniformly installed on the outer wall of the upper part of the stirring shaft 11, a vertical rod 13 is connected to the bottom of the connecting rod 12, the vertical rod 13 is fixedly connected with the outer wall of the lower part of the stirring shaft 11 through a supporting rod 14, a stirring blade 15 is fixedly installed on the vertical rod 13, a plurality of round holes are formed in the stirring blade 15, a fixed table 21 is fixedly connected to the top of the kettle body 1, the driving motor 10 is fixedly connected to the top of the fixed table 21, a driving shaft 22 is connected to the output end of the driving motor 10, the bottom of the driving shaft 22 is fixedly connected with the top of the stirring shaft 11, a limiting rotating cavity is formed in the middle of the fixed table 21 and the top of the kettle body 1, a supporting rotating disc 23 is fixedly installed on the outer wall of the driving shaft 22, the supporting rotating disc 23 is rotatably installed in the limiting rotating cavity, a lifting rotating groove is formed in the top of the limiting rotating cavity, a lifting rotating ring 24 is rotatably installed in the lifting rotating groove, the bottom of the lifting rotating ring 24 is fixedly connected with the top of the supporting rotating disc 23;
[0021] The material is added into the kettle body 1 through the feeding pipe 2, the outside and the middle of the raw material inside the kettle body 1 can be heated at the same time through the heating wires 6 and the plurality of heating rods 9, so that the heating of the raw material is more uniform, the constant temperature control effect of the raw material is better, and the reaction efficiency of the raw material inside the kettle body 1 can be effectively improved, the use effect is better, the driving motor 10 is started to drive the stirring shaft 11 to rotate, the stirring shaft 11 drives the vertical rod 13 and the stirring blade 15 to rotate through the connecting rod 12 and the supporting rod 14, the material inside the kettle body 1 is stirred and mixed, the polyimide slurry is fully stirred, the driving motor 10 is started to drive the driving shaft 22 to rotate, the driving shaft 22 drives the supporting rotating disc 23 to rotate in the limiting rotating cavity, and the lifting rotating ring 24 is driven by the supporting rotating disc 23 to rotate in the lifting rotating groove, the driving shaft 22 is guided and limited, and the stability is ensured.
[0022] Embodiment 2
[0023] As Figure 2 , Figure 4 and Figure 5 shown, on the basis of embodiment 1, it further includes a plurality of inclined links 16 axially uniformly fixedly installed on the upper outer wall of the stirring shaft 11, the bottom of the inclined link 16 is connected with a fixed ring 17, a circular hole is formed in the fixed ring 17, a plurality of stirring rods 18 are uniformly installed on the bottom of the fixed ring 17, a plurality of groups of stirring branch rods 19 are uniformly installed on the stirring rod 18, a plurality of scrapers 20 are axially uniformly installed on the outer wall of the fixed ring 17, the bottom of the scraper 20 is connected with the bottom of the stirring rod 18, the scraper 20 is in sliding contact with the inner wall of the kettle body 1, a plurality of supporting legs 3 are axially fixedly connected on the lower outer wall of the kettle body 1, the bottom of the supporting leg 3 is installed with an arc-shaped base 4, and a heat insulation sleeve 25 is sleeved outside the heating cavity 8.
[0024] The kettle body 1 bottom is supported by the supporting leg 3 and the arc-shaped base 4, the stability is guaranteed, the inside of the heating cavity 8 can be heat-insulated by the heat insulation sleeve 25, the heat loss is reduced, the kettle body 1 outer wall temperature is prevented from being too high to cause the staff to be scalded, the fixed ring 17 is driven to rotate by the inclined link 16 when the stirring shaft 11 rotates, the stirring rod 18 and the stirring branch rod 19 are driven to rotate by the fixed ring 17, the outside of the kettle body 1 inside material is stirred, the outside and the middle of the kettle body 1 inside material can be stirred at the same time, the stirring and mixing quality is improved, the practicability is improved, the scraper 20 is driven to rotate in the kettle body 1 by the fixed ring 17 and the stirring rod 18 when they rotate, the kettle body 1 inner wall is scraped and cleaned, the material adhesion is avoided, the cleaning is facilitated, and the practicability is improved.
[0025] As Figures 1 to 5 shown, the polyimide dissolving reaction kettle of the utility model, when working, through supporting leg 3 and arc-shaped base 4 support kettle body 1 bottom, material is added to kettle body 1 through feeding pipe 2, through heating wire 6 and a plurality of heating rod 9 can kettle body 1 inside material's outside and middle simultaneously heat, make the heating of raw material be more uniform, heat insulation sleeve 25 can carry out heat preservation to the inside of heating cavity 8, reduce heat loss, avoid kettle body 1 outer wall temperature to be too high to cause staff to be scalded, start drive motor 10 drive stirring shaft 11 rotation, stirring shaft 11 drive vertical rod 13 and stirring blade 15 through connecting rod 12 and support rod 14 rotation, kettle body 1 inside material is stirred and mixes, simultaneously stirring shaft 11 rotation through inclined link 16 drive fixed ring 17 rotation, fixed ring 17 drive stirring rod 18 and stirring branch rod 19 rotation, kettle body 1 inside material's outside is stirred, can kettle body 1 inside material's outside and middle simultaneously stir, fixed ring 17 and stirring rod 18 rotation, drive scraper 20 in kettle body 1 rotation, kettle body 1 inner wall is scraped and cleaned, avoid material adhesion.
[0026] The heating wire 6, the heating controller 7, the heating rod 9 and the driving motor 10 of the polyimide dissolving reaction kettle are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, and the technical personnel in the field does not need to pay the creative labor.
[0027] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principle of the utility model, and these improvements and modifications should also be regarded as the protection range of the utility model.
Claims
1. A polyimide dissolving reactor characterized by comprising: The utility model relates to a kind of chemical reaction kettle, including cauldron body (1), feeding pipe (2), discharge pipe (5), heating assembly, stirring mechanism and limiting component, cauldron body (1) upper portion is equipped with feeding pipe (2), cauldron body (1) bottom end is equipped with discharge pipe (5), valve is set on discharge pipe (5), heating assembly is installed in cauldron body (1) inside, stirring mechanism is installed in cauldron body (1) top by limiting component, and stirring mechanism lower portion is located in cauldron body (1) inside; The heating assembly includes heating wire (6), heating controller (7) and multiple heating rods (9), a heating cavity (8) is formed in the middle of the inner wall of the cauldron body (1), the heating wire (6) is installed inside the heating cavity (8), the heating controller (7) is installed at the bottom of the cauldron body (1), and the heating controller (7) is evenly connected with multiple heating rods (9), and the multiple heating rods (9) are axially and evenly installed in the middle of the cauldron body (1) inside; The stirring mechanism includes a drive motor (10), a stirring shaft (11), multiple connecting rods (12), multiple vertical rods (13), multiple support rods (14), multiple stirring blades (15), and a mixing assembly. The drive motor (10) is located at the top of the cauldron body (1). The output end of the drive motor (10) is connected with the stirring shaft (11) through the top of the cauldron body (1). The stirring shaft (11) is located in the middle of the cauldron body (1). Multiple connecting rods (12) are axially and evenly installed on the outer wall of the upper part of the stirring shaft (11). The bottom of each connecting rod (12) is connected with a vertical rod (13). The bottom of each vertical rod (13) is fixedly connected with the outer wall of the lower part of the stirring shaft (11) through a support rod (14). Each vertical rod (13) is fixedly installed with a stirring blade (15). Multiple round holes are formed in each stirring blade (15). The limiting component includes a fixed table (21), a drive shaft (22), a support turntable (23), and a lifting rotating ring (24). The fixed table (21) is fixedly connected with the top of the cauldron body (1). The drive motor (10) is fixedly connected with the top of the fixed table (21). The output end of the drive motor (10) is connected with the drive shaft (22). The bottom of the drive shaft (22) is fixedly connected with the top of the stirring shaft (11). A limiting rotating cavity is formed in the middle of the fixed table (21) and the top of the cauldron body (1). The support turntable (23) is fixedly installed on the outer wall of the drive shaft (22). The support turntable (23) is rotatably installed in the limiting rotating cavity. A lifting rotating groove is formed in the top of the limiting rotating cavity. The lifting rotating ring (24) is rotatably installed in the lifting rotating groove. The bottom of the lifting rotating ring (24) is fixedly connected with the top of the support turntable (23). It also includes multiple supporting legs (3), multiple arc-shaped bases (4), and a heat-insulating sleeve (25). The multiple supporting legs (3) are axially and fixedly connected with the outer wall of the lower part of the cauldron body (1). The bottom of each supporting leg (3) is installed with an arc-shaped base (4). The heat-insulating sleeve (25) is sleeved outside the heating cavity (8).
2. The polyimide dissolving reactor of claim 1, wherein The mixing assembly comprises a plurality of inclined connecting rods (16), a fixing ring (17), a plurality of stirring rods (18) and a plurality of groups of stirring branch rods (19), the plurality of inclined connecting rods (16) are fixedly installed on the outer wall of the upper portion of the stirring shaft (11) in an axial direction, the bottom of the inclined connecting rod (16) is connected with the fixing ring (17), the fixing ring (17) is provided with a circular hole, the bottom of the fixing ring (17) is uniformly provided with the plurality of stirring rods (18), and the stirring rod (18) is uniformly provided with the plurality of groups of stirring branch rods (19).
3. The polyimide dissolving reactor of claim 2, wherein A plurality of scrapers (20) are further included, the plurality of scrapers (20) are axially and uniformly installed on the outer wall of the fixing ring (17), the bottom of the scraper (20) is connected with the bottom of the stirring rod (18), and the scraper (20) is in sliding contact with the inner wall of the kettle body (1).