CN218854300U - Temperature regulation and control device for stirring polyamide-imide dispersion liquid - Google Patents
Temperature regulation and control device for stirring polyamide-imide dispersion liquid Download PDFInfo
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- CN218854300U CN218854300U CN202320066851.0U CN202320066851U CN218854300U CN 218854300 U CN218854300 U CN 218854300U CN 202320066851 U CN202320066851 U CN 202320066851U CN 218854300 U CN218854300 U CN 218854300U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model belongs to the technical field of polyamideimide dispersion production, especially, be temperature regulation and control device for the stirring of polyamideimide dispersion, including the reation kettle main part, the top joint of reation kettle main part has the closing cap, the charge door of symmetric distribution is seted up at the top of closing cap. This temperature regulation and control device is used in stirring of polyamide imide dispersion, add various materials through the charge door, the initial stage is heated through only opening a pair of reation kettle main part of heating rod, make reaction temperature maintain 25 ~ 35 ℃, after the reaction is accomplished, through opening heating rod two and heating rod three, make the temperature rise fast, promote going on of dehydration cyclization reaction, make polyamide imide's preparation efficiency accelerate, through the control mode of this kind of hierarchical heating, not only make things convenient for the control to reation kettle main part heating temperature, also make the centralized management and the maintenance to heating element simultaneously, make the temperature control of reation kettle main part more accurate.
Description
Technical Field
The utility model relates to a polyamideimide dispersion production technical field specifically is temperature regulation and control device is used in the stirring of polyamideimide dispersion.
Background
With the development of the coating industry, some organic coatings cannot meet the concepts of environmental protection, multifunctionalization and excellent performance of people, and polyamide-imide (PAI) is an important modified polyimide resin and can be used as a film-forming substance in high-temperature coatings.
In the preparation process of the polyamide-imide dispersion liquid, certain requirements exist on the temperature control in a reaction kettle, firstly, quantitative 4,4' -diaminodiphenyl ether, dimethylacetamide and xylene are added into the reaction kettle, stirring is started, and after materials are completely dissolved, 1,2, 4-trimellitic acid acyl chloride is added. The reaction temperature is controlled to be 25-35 ℃; when the viscosity reached a maximum, it was diluted with dimethylacetamide and xylene. Then, neutralizing by-product hydrochloric acid generated in the reaction by using ethylene oxide to obtain a soluble polyamide-amic acid prepolymer; if the prepolymer is subjected to dehydration cyclization at high temperature, infusible polyamide-imide can be prepared, so that the control of temperature is particularly important in the process of preparing polyamide-imide, the temperature is controlled simply when the conventional reaction kettle is used for preparing polyamide-imide, the temperature is increased only by increasing power and the like, the effect is poor, the temperature rise is slow, and the production efficiency of polyamide-imide is influenced.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model provides a temperature regulation and control device is used in stirring of polyamide imide dispersion has solved the problem that exists now.
In order to achieve the above object, the utility model provides a following technical scheme: temperature regulation and control device is used in stirring of polyamide imide dispersion, including the reation kettle main part, the top joint of reation kettle main part has the closing cap, the charge door of symmetric distribution is seted up at the top of closing cap, the fixed cover in side of reation kettle main part has connect the heating jacket, the top of heating jacket and the side that is located the reation kettle main part are evenly pegged graft and are had heating element, heating element includes heating rod one, heating rod two and heating rod three, heating rod one, heating rod two and the three even crisscross distribution of heating rod are around the reation kettle main part, the equal independent control of opening of starting and stopping of heating rod one, heating rod two and heating rod three, the discharge gate has been seted up to the bottom of reation kettle main part side, the identical shutoff stopper of size has all been pegged graft to the inboard of charge door and discharge gate.
As a preferred technical scheme of the utility model, the top fixed mounting of closing cap has fixed frame, driving motor is installed to the inboard of fixed frame, driving motor's output fixedly connected with runs through and the swivelling joint is at the inboard output shaft of closing cap, the bottom fixed mounting of output shaft has the joint pole, the bottom of joint pole has cup jointed the center rod of rotating the connection and putting in the inboard bottom central point of reation kettle main part, center rod's outside fixed mounting has the puddler.
As a preferred technical scheme of the utility model, the hexagon recess has been seted up to well core rod's bottom, the shape and the size of the bottom of joint pole and hexagon recess coincide.
As a preferred technical scheme of the utility model, the puddler divide into stock and quarter butt, stock and quarter butt top-down are even and crisscross the outside of distributing at well core rod.
As a preferred technical scheme of the utility model, the inboard top fixed mounting of reation kettle main part has the fixing base, the top embedding joint of fixing base has the horizontal pole, the central point of horizontal pole puts and has seted up the circular slot, well core rod rotates the inboard of connecting at the circular slot.
As a preferred technical scheme of the utility model, the inside groove has been seted up to the inboard of circular slot, well core rod's the fixed disk that has cup jointed in the outside, the disk rotates the inboard of connecting at the inside groove.
As a preferred technical scheme of the utility model, the.
Compared with the prior art, the utility model provides a temperature regulation and control device is used in stirring of polyamide imide dispersion possesses following beneficial effect:
1. this temperature regulation and control device is used in stirring of polyamide imide dispersion, add various materials through the charge door, the initial stage is heated through only opening a pair of reation kettle main part of heating rod, make reaction temperature maintain 25 ~ 35 ℃, after the reaction is accomplished, through opening heating rod two and heating rod three, make the temperature rise fast, promote going on of dehydration cyclization reaction, make polyamide imide's preparation efficiency accelerate, through the control mode of this kind of hierarchical heating, not only make things convenient for the control to reation kettle main part heating temperature, also make the centralized management and the maintenance to heating element simultaneously, make the temperature control of reation kettle main part more accurate.
2. This temperature regulation and control device is used in stirring of polyamide imide dispersion, through the design with horizontal pole and inside groove, can prescribe a limit to well core rod's position, also improves well core rod pivoted stability simultaneously, in addition, after the reaction is accomplished, when needing to wash the reation kettle main part is inside, the horizontal pole is mentioned to the accessible, pulls out well core rod and puddler in step for reation kettle main part and well core rod quickly separating reach the convenient abluent effect of dismantling.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the internal structure of the reaction kettle main body of the utility model;
FIG. 3 is a top cross-sectional view of the joint between the connecting rod and the center rod according to the present invention;
fig. 4 is a top view of the structure near the cross bar of the present invention.
In the figure: 1. a reaction kettle main body; 2. sealing the cover; 3. heating a jacket; 4. a fixing frame; 5. a feed inlet; 6. heating a first rod; 7. a second heating rod; 8. a third heating rod; 9. an output shaft; 10. a connecting rod; 11. an inner tank; 12. a disc; 13. a cross bar; 14. a fixed seat; 15. a center pole; 16. a stirring rod; 17. a hexagonal groove; 18. a circular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, in the present embodiment: temperature regulation and control device is used in stirring of polyamide imide dispersion, including reation kettle main part 1, reation kettle main part 1's top joint has closing cap 2, charge door 5 of symmetric distribution is seted up at closing cap 2's top, heating jacket 3 has been cup jointed to reation kettle main part 1's side is fixed, heating jacket 3's top and the side that is located reation kettle main part 1 evenly pegs graft and have heating element, heating element includes heating rod one 6, heating rod two 7 and heating rod three 8, heating rod one 6, heating rod two 7 and heating rod three 8 evenly crisscross the distribution around reation kettle main part 1, heating rod one 6, the equal independent control of opening and stopping of heating rod two 7 and heating rod three 8, the discharge gate has been seted up to the bottom of reation kettle main part 1 side, charge door 5 and the inboard of discharge gate all peg graft and have the identical shutoff stopper of size, in polyamide imide's preparation in-process, add various materials through charge door 5, only open heating rod one 6 and heat reation kettle main part 1, make the reaction temperature maintain 25 ~ 35 after the completion, through opening heating rod two 7 and three 8, make the accurate control of the heating of this kind of the convenience of reation kettle more, make the accurate heating control of the heating of the accurate heating control of reation kettle of the heating of the accurate heating of the accurate control of the reation kettle of the heating of the distribution of the reation kettle 1, make.
As a preferred embodiment, a fixed frame 4 is fixedly installed at the top of the sealing cap 2, a driving motor is installed at the inner side of the fixed frame 4, an output end of the driving motor is fixedly connected with an output shaft 9 which penetrates and is rotatably connected to the inner side of the sealing cap 2, an engaging rod 10 is fixedly installed at the bottom end of the output shaft 9, a central rod 15 which is rotatably connected to the central position of the bottom of the inner side of the reaction kettle main body 1 is sleeved at the bottom end of the engaging rod 10, a stirring rod 16 is fixedly installed at the outer side of the central rod 15, a hexagonal groove 17 is formed in the bottom end of the central rod 15, the bottom end of the engaging rod 10 is matched with the hexagonal groove 17 in shape and size, after materials are added, in order to accelerate the dissolution reaction speed of diaminodiphenyl ether, dimethylacetamide and xylene and prevent the materials from forming into clusters, the driving motor drives the output shaft 9 to rotate, the output shaft 9 drives the central rod 15 to rotate through the engaging rod 10, so that the stirring rod 16 realizes stirring of mixed materials, the engaging rod 10 is not fixedly connected with the central rod 15, but connected in a sleeved manner, on the one hand, when the sealing cap 2 is opened, the engaging rod 10 can realize quick separation of the central rod 15 from the central rod 15, thereby facilitating the opening of the sealing cap, facilitating the maintenance of the reaction kettle and the cleaning of the reaction kettle, and the maintenance of the maintenance kettle, and the maintenance of the maintenance kettle.
As a preferred embodiment, the stirring rod 16 is divided into a long rod and a short rod, the long rod and the short rod are uniformly distributed on the outer side of the central rod 15 from top to bottom in a staggered manner, and the stirring rods 16 distributed in a staggered manner can enable mixed materials to be mixed more thoroughly after being stirred, so that the reaction is more sufficient.
As a preferred embodiment, a fixed seat 14 is fixedly installed at the top of the inner side of the reaction kettle main body 1, a cross rod 13 is embedded and clamped at the top of the fixed seat 14, a circular groove 18 is formed in the center position of the cross rod 13, a central rod 15 is rotatably connected to the inner side of the circular groove 18, an inner groove 11 is formed in the inner side of the circular groove 18, a disc 12 is fixedly sleeved on the outer side of the central rod 15, the disc 12 is rotatably connected to the inner side of the inner groove 11, the position of the central rod 15 can be limited by designing the cross rod 13 and the inner groove 11, and meanwhile, the rotating stability of the central rod 15 is improved.
The utility model discloses a theory of operation and use flow: the operator adds various materials through charge door 5, the initial stage is heated reation kettle main part 1 through only opening heating rod 6, make reaction temperature maintain 25 ~ 35 ℃, after the reaction is accomplished, through opening heating rod two 7 and heating rod three 8, make the temperature rise fast, promote going on of dehydration cyclization reaction, make polyamideimide's preparation efficiency accelerate, control mode through this kind of hierarchical heating, not only conveniently to reation kettle main part 1 heating temperature, also make things convenient for the centralized management and the maintenance to heating element simultaneously, make reation kettle main part 1's temperature control more accurate. Through the design with horizontal pole 13 and interior groove 11, can prescribe a limit to well core rod 15's position, also improve well core rod 15 pivoted stability simultaneously, in addition, after the reaction is accomplished, when needing to wash 1 inside of reation kettle main part, horizontal pole 13 is mentioned to the accessible, pulls out well core rod 15 and puddler 16 in step for reation kettle main part 1 and well core rod 15 quickly separating reach the convenient abluent effect of dismantling.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (6)
1. Polyamide imide dispersion stirs and uses temperature regulation and control device, including reation kettle main part (1), its characterized in that: the top joint of reation kettle main part (1) has closing cap (2), charge door (5) of symmetric distribution are seted up at the top of closing cap (2), the fixed heating jacket (3) that has cup jointed in side of reation kettle main part (1), the top of heating jacket (3) and the side that is located reation kettle main part (1) are evenly pegged graft and are had heating element, heating element includes heating rod one (6), heating rod two (7) and heating rod three (8), evenly crisscross distribution around reation kettle main part (1) is excellent in heating rod one (6), heating rod two (7) and heating rod three (8) open and stop equal independent control, the discharge gate has been seted up to the bottom of reation kettle main part (1) side, the shutoff stopper that the size coincided is all pegged graft to charge door (5) and the inboard of discharge gate.
2. The temperature control device for stirring a polyamideimide dispersion according to claim 1, wherein: the top fixed mounting of closing cap (2) has fixed frame (4), driving motor is installed to the inboard of fixed frame (4), driving motor's output fixedly connected with runs through and rotates output shaft (9) of connection in closing cap (2) inboard, the bottom fixed mounting of output shaft (9) has linking pole (10), link pole (10) the bottom has been cup jointed and has rotated well core rod (15) of connecting in reation kettle main part (1) inboard bottom central point and put, the outside fixed mounting of well core rod (15) has puddler (16).
3. The temperature control device for stirring a polyamideimide dispersion according to claim 2, characterized in that: the bottom end of the central rod (15) is provided with a hexagonal groove (17), and the bottom end of the connecting rod (10) is matched with the hexagonal groove (17) in shape and size.
4. The temperature control apparatus for stirring a polyamideimide dispersion according to claim 2, wherein: the stirring rod (16) is divided into a long rod and a short rod which are uniformly and alternately distributed on the outer side of the central rod (15) from top to bottom.
5. The temperature control device for stirring a polyamideimide dispersion according to claim 2, characterized in that: the top fixed mounting of reation kettle main part (1) inboard has fixing base (14), the top embedding joint of fixing base (14) has horizontal pole (13), the central point of horizontal pole (13) puts and has seted up circular slot (18), well core rod (15) rotate the inboard of connecting in circular slot (18).
6. The temperature control device for stirring a polyamideimide dispersion according to claim 5, wherein: an inner groove (11) is formed in the inner side of the circular groove (18), a disc (12) is fixedly sleeved on the outer side of the central rod (15), and the disc (12) is rotatably connected to the inner side of the inner groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320066851.0U CN218854300U (en) | 2023-01-10 | 2023-01-10 | Temperature regulation and control device for stirring polyamide-imide dispersion liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320066851.0U CN218854300U (en) | 2023-01-10 | 2023-01-10 | Temperature regulation and control device for stirring polyamide-imide dispersion liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218854300U true CN218854300U (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320066851.0U Active CN218854300U (en) | 2023-01-10 | 2023-01-10 | Temperature regulation and control device for stirring polyamide-imide dispersion liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218854300U (en) |
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2023
- 2023-01-10 CN CN202320066851.0U patent/CN218854300U/en active Active
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