Drying and degassing equipment for preparing alkyl ketene dimer
By employing a multi-planar stirring structure and vacuum degassing, the problem of uneven stirring during the preparation of alkyl ketene dimers was solved, achieving thorough drying and efficient degassing of the materials, thereby improving product quality and ease of equipment maintenance.
Patent Information
- Application Number
- CN202520014363.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-04
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-04
AI Technical Summary
The existing drying and degassing equipment for alkyl ketene dimerization has a simple stirring structure, which leads to insufficient material mixing, uneven heating in some areas, and affects product quality.
It adopts a multi-plane stirring structure, which uses a combination of motor-driven stirring rod and slant plate to achieve all-round tumbling and mixing of materials. Combined with a vacuum pump and silica gel filter, it performs degassing treatment to improve drying efficiency and uniformity.
This method achieves thorough mixing and uniform heating of materials, shortens drying time, and improves product quality and equipment maintenance efficiency.
Smart Images
Figure CN223697521U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of drying degassing, especially relates to a drying degassing equipment for alkyl ketene dimer preparation. BACKGROUND
[0002] Alkyl ketene dimer (AKD) is an important paper sizing agent. It is a white waxy solid with a melting point of about 50 DEG C. AKD can react with cellulose hydroxyl group to form a hydrophobic layer, thereby giving paper water resistance, which can effectively reduce the absorption of liquid by paper and improve the strength and other properties of paper, and is widely used in the paper industry.
[0003] In the prior art, the stirring structure of the drying degassing equipment for alkyl ketene dimer preparation is often single, and most of them can only realize the rotation of the stirring rod in a single plane, which leads to insufficient stirring of the material and easy occurrence of local uneven heating. The material close to the heat source changes in nature due to excessive heating, which affects the product quality. The material far from the heat source may not be dried completely due to insufficient heat transfer, which prolongs the drying time.
[0004] In view of the above problems, a drying degassing equipment for alkyl ketene dimer preparation is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a drying degassing equipment for alkyl ketene dimer preparation, which aims to improve the problem that the stirring structure of the drying degassing equipment for alkyl ketene dimer preparation in the prior art is often single, and most of them can only realize the rotation of the stirring rod in a single plane, which leads to insufficient stirring of the material and easy occurrence of local uneven heating. The material close to the heat source changes in nature due to excessive heating, which affects the product quality. The material far from the heat source may not be dried completely due to insufficient heat transfer, which prolongs the drying time.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a drying degassing equipment for alkyl ketene dimer preparation, including the heating jar, the heating jar outside fixedly connected with the support frame, the heating jar inside is provided with stirring assembly, the heating jar inside is provided with heating jacket, the heating jacket inside is provided with heating element, the heating jar outside fixedly connected with connecting pipe no.
[0007] The stirring assembly comprises a connecting frame, a supporting plate and a fixing frame, the fixing frame is fixedly connected at the top of the inner bottom wall of the heating tank, two rollers are rotatably connected outside the fixing frame, the supporting plate is fixedly connected inside the heating tank, the connecting frame is fixedly connected outside the middle side of the top of the heating tank, a bottom cylinder is rotatably connected inside the supporting plate, a motor is fixedly connected to the inner wall of the connecting frame, a connecting rod is fixedly connected to the output end of the motor, a square rod is slidably connected inside the connecting rod, a stirring rod is fixedly connected outside the square rod, and an inclined disc is fixedly connected outside the stirring rod.
[0008] As a further description of the above technical solution:
[0009] The fixing assembly comprises a thin shell, the thin shell is fixedly connected outside the top of the dehumidification box, two baffles are slidably connected inside the thin shell, a handle is fixedly connected outside the baffle, a plug-in block is fixedly connected outside the baffle, and a spring is fixedly connected outside the baffle.
[0010] As a further description of the above technical solution:
[0011] The bottom of the heating tank is fixedly connected with a discharge port, and a valve is mounted outside the discharge port.
[0012] As a further description of the above technical solution:
[0013] The stirring rod is slidably connected inside the bottom cylinder, and the outer side edge of the inclined disc is arranged between the two rollers.
[0014] As a further description of the above technical solution:
[0015] The dehumidification box is fixedly connected outside the supporting frame, and the vacuum pump is mounted outside the supporting frame.
[0016] As a further description of the above technical solution:
[0017] The spring is fixedly connected to the inner wall of the thin shell away from the baffle.
[0018] As a further description of the above technical solution:
[0019] The plug-in block is slidably connected inside the thin shell, the handle is slidably connected inside the thin shell, and the plug-in block is plug-in connected inside the connecting block.
[0020] As a further description of the above technical solution:
[0021] The top of the heating tank is fixedly connected with an inlet, and the top of the heating tank is fixedly connected with a gas discharge port.
[0022] The utility model has the following beneficial effects:
[0023] 1. In the utility model, the connecting rod rotates at a constant speed after the motor is started, drives the square rod, the stirring rod and the swash plate to rotate around the shaft, the swash plate edge rotates between the rollers, interacts with the rollers to generate a force, makes the swash plate and the stirring rod displace up and down, the stirring rod rotates and moves up and down at the same time, realizes all -round stirring material, makes the material fully tumble and mix, is heated more evenly, accelerates drying.
[0024] 2. In the utility model, the handle drives the baffle to move outward by pulling outward, the plug -in block on the baffle slides out from the connecting block, and the compression spring is compressed at the same time, the connecting block together with the silica gel filter screen can be taken out to replace at this moment, realize the quick and convenient replacement of silica gel filter screen, need not help complex tool, improve the equipment maintenance efficiency, make subsequent cleaning and maintenance of equipment convenient, guarantee the normal operation and work effect of equipment. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the perspective view of the drying and degassing equipment for alkyl enone dimer preparation that the utility model proposes;
[0026] Figure 2 It is the structure schematic view of the stirring rod of the drying and degassing equipment for alkyl enone dimer preparation that the utility model proposes;
[0027] Figure 3 It is Figure 2 It is the enlarged view of A in the middle
[0028] Figure 4 It is the structure schematic view of the silica gel filter screen of the drying and degassing equipment for alkyl enone dimer preparation that the utility model proposes;
[0029] Figure 5 It is the structure schematic view of the spring of the drying and degassing equipment for alkyl enone dimer preparation that the utility model proposes.
[0030] LEGEND:
[0031] 1, heating tank;2, heating jacket;3, feed inlet;4, air outlet;5, connecting frame;6, motor;7, connecting rod;8, square rod;9, stirring rod;10, swash plate;11, fixed frame;12, roller;13, bottom cylinder;14, support plate;15, support frame;16, dehumidification box;17, silica gel filter screen;18, connecting block;19, thin shell;20, spring;21, baffle;22, plug -in block;23, handle;24, connecting pipe one;25, vacuum pump;26, connecting pipe two;27, discharge port;28, valve. DETAILED DESCRIPTION
[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.
[0033] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application. Figure 1 Figure 5 The present application provides an embodiment: a drying and degassing equipment for preparing alkyl enone dimer, comprising a heating tank 1, a support frame 15 fixedly connected to the outer side of the heating tank 1, a stirring assembly arranged in the heating tank 1, a heating jacket 2 arranged in the heating tank 1, and a heating element arranged in the heating jacket 2; a connecting pipe two 26 fixedly connected to the outer side of the heating tank 1, a desiccator 16 fixedly connected to the end of the connecting pipe two 26 away from the heating tank 1, a silica gel filter screen 17 slidably connected to the inside of the desiccator 16, a connecting pipe one 24 fixedly connected to the outer side of the desiccator 16, a vacuum pump 25 arranged on the outer side of the connecting pipe one 24, a connecting block 18 fixedly connected to the top of the silica gel filter screen 17, and a fixing assembly arranged on the outer side of the desiccator 16.
[0034] The stirring assembly comprises a connecting frame 5, a support plate 14 and a fixing frame 11, the fixing frame 11 is fixedly connected to the inner bottom wall of the heating tank 1 at the top, two rollers 12 are rotatably connected to the outer side of the fixing frame 11, the support plate 14 is fixedly connected to the inside of the heating tank 1, the connecting frame 5 is fixedly connected to the top middle side of the heating tank 1 at the outer side, a bottom cylinder 13 is rotatably connected to the inside of the support plate 14, a motor 6 is fixedly connected to the inner wall of the connecting frame 5, a connecting rod 7 is fixedly connected to the output end of the motor 6, a square rod 8 is slidably connected to the inside of the connecting rod 7, a stirring rod 9 is fixedly connected to the outer side of the square rod 8, and a swash plate 10 is fixedly connected to the outer side of the stirring rod 9.
[0035] Specifically, the support frame 15 is used to provide a stable support structure to ensure the stable placement of the whole device, prevent shaking or displacement during operation, the heating sleeve 2 and the contained heating element are the key parts to realize material drying, the heating element is a heating wire, the heating sleeve 2 uniformly transmits heat to the material, promotes the evaporation of water in the material, thereby achieving the purpose of drying, the stirring assembly greatly improves the drying efficiency and uniformity, the motor 6 as a power source, the connecting rod 7 at the output end rotates to drive the square rod 8 in sliding cooperation to rotate, and then the stirring rod 9 rotates, the stirring rod 9 can turn the material, so that it is heated more uniformly, at the same time, the inclined disc 10 fixed outside the stirring rod 9 and the two rollers 12 rotatably connected outside the fixed frame 11 cooperate with each other, when the inclined disc 10 rotates, the edge thereof produces a specific interaction with the rollers 12, so that the inclined disc 10 drives the stirring rod 9 to rotate while moving up and down, further enhancing the stirring effect of the material, ensuring that the material in the heating tank 1 can be fully exchanged and dried at each position, the support plate 14 inside the heating tank 1 plays a role in supporting and fixing related components, the bottom cylinder 13 provides a certain guide and limit for the up and down movement of the stirring rod 9, ensuring the stability and reliability of the stirring process, the connecting pipe two 26 is responsible for transporting the preliminarily dried material and the generated gas in the heating tank 1 to the dehumidifying box 16, the silica gel filter screen 17 is used to adsorb moisture, further improving the drying degree and quality of the material, the connecting pipe one 24 and the vacuum pump 25 arranged outside the connecting pipe one 24 work together, the vacuum pump 25 performs air extraction operation on the dehumidifying box 16 through the connecting pipe one 24, reduces the air pressure in the dehumidifying box 16, so that the gas in the material is more easily escaped in a negative pressure environment, realizes an efficient degassing process, ensures the purity and performance of the product, the connecting block 18 at the top of the silica gel filter screen 17 facilitates the installation and disassembly of the silica gel filter screen 17 in the dehumidifying box 16, and the fixing assembly is used to firmly fix the silica gel filter screen 17 at a suitable position in the dehumidifying box 16.
[0036] With reference to Figure 4 and Figure 5 , the fixing assembly includes a thin shell 19, the thin shell 19 is fixedly connected outside the top of the dehumidifying box 16, two baffles 21 are slidably connected inside the thin shell 19, handles 23 are fixedly connected outside the baffles 21, plug-in blocks 22 are fixedly connected outside the baffles 21, and springs 20 are fixedly connected outside the baffles 21.
[0037] Specifically, the thin shell 19 is used to build the overall framework of the fixed assembly, provide installation space for internal components, and ensure the stable placement of the entire fixed assembly on the dehumidification box 16 through its fixed connection with the top of the dehumidification box 16, laying the foundation for the subsequent components to function. The two baffles 21 are slidingly connected inside the thin shell 19 and are used to fix and release the silica gel filter screen 17 by changing their positions, which are the key execution components of the fixed assembly. The handle 23 is used to facilitate the operator to apply an external force, and by manually pulling or pushing the handle 23, the sliding direction and displacement of the baffle 21 in the thin shell 19 can be accurately controlled. The plug-in block 22 is used to tightly fit with the connecting block 18 on the top of the silica gel filter screen 17, and when the plug-in block 22 is inserted into the connecting block 18, a stable connection structure can be formed. The spring 20 is used to provide a spring force.
[0038] Referring to Figure 1 Figure 5 The bottom of the heating tank 1 is fixedly connected with a discharge port 27, and a valve 28 is installed outside the discharge port 27. The outside of the stirring rod 9 is slidingly connected inside the bottom cylinder 13. The outer edge of the swash plate 10 is arranged between the two rollers 12. The outside of the dehumidification box 16 is fixedly connected to the outside of the support frame 15. The outside of the vacuum pump 25 is installed on the outside of the support frame 15. The end of the spring 20 away from the baffle 21 is fixedly connected to the inner wall of the thin shell 19. The outside of the plug-in block 22 is slidingly connected inside the thin shell 19. The outside of the handle 23 is slidingly connected inside the thin shell 19. The outside of the plug-in block 22 is inserted into the connecting block 18. The top of the heating tank 1 is fixedly connected with an inlet 3. The top of the heating tank 1 is fixedly connected with a gas release port 4.
[0039] Specifically, the discharge port 27 is used to discharge the processed material, and the valve 28 controls the discharge flow and timing. The stirring rod 9 is slidingly connected with the bottom cylinder 13 to ensure stable and comprehensive stirring. The swash plate 10 cooperates with the rollers 12 to move the stirring rod 9 up and down while rotating, enhancing the stirring effect. The dehumidification box 16 is stably placed by the support frame 15, facilitating subsequent work. The vacuum pump 25 operates stably by the support frame 15, realizing degassing. The spring 20 assists the baffle 21 to reset, maintaining the state of the fixed assembly. The plug-in block 22 slides inside the thin shell 19 to ensure accurate cooperation with the connecting block 18. The handle 23 facilitates the operation of the baffle 21 to control the fixing of the silica gel filter screen 17. The plug-in block 22 is used to fix the silica gel filter screen 17. The inlet 3 is used for feeding, and the gas release port 4 is used to discharge excess gas, ensuring the operation of the equipment and the drying process.
[0040] Working principle: in use, the operator first put the material to be treated through the heating tank 1 top set feeding port 3 carefully into the heating tank 1 inside, tight, open the heating system outside the heating tank 1, so that the heating element in the heating jacket 2 quickly into the working state, continue to provide stable and suitable heat for the material in the tank, promote the material temperature gradually increases, open the drying process, at the same time, the motor 6 is started, its output end connecting rod 7 immediately start uniform rotation, this rotation drive with the closely connected with the square bar 8 synchronous rotation, in turn makes the stirring rod 9 and inclined disc 10 also revolve around the central axis, the outer edge of the inclined disc 10 is flexible between two fixed in a particular position of the roller 12, whenever the inclined disc 10 rotates, its edge and the interaction between the roller 12 will produce a specific direction of the force, thereby pushing the inclined disc 10 and with it connected with the stirring rod 9 generates up and down displacement change, stirring rod 9 in rotation also realized the up and down movement, exerted on the material all directional, multi angle stirring force, let the material in the heating tank 1 can be fully rolled, mixed, not only makes it more evenly heated, but also greatly speeds up the drying process, for subsequent processing steps lay a good foundation.
[0041] After the material in the heating tank 1 after the initial drying stage, immediately open the valve equipped on the connecting pipe two 26, at this time, the water vapor generated in the heating process into the dehumidification tank 16, at this time start the vacuum pump 25, the vacuum pump 25 through the connecting pipe one 24 on the dehumidification tank 16 for air, reduce the air pressure in the dehumidification tank 16, the gas in the material more easily escape under negative pressure environment, realize the degassing process, the silica gel filter screen 17 in the dehumidification tank 16 for adsorbing trace amounts of moisture in the material, further improve the drying effect, when the silica gel filter screen 17 needs to be replaced, by pulling out the handle 23, handle 23 driven baffle 21 moves outward, the plug block 22 on the baffle 21 from the connecting block 18 slide out, at the same time compression spring 20, at this time can be connected with the silica gel filter screen 17 together with the connecting block 18 is taken out for replacement, realize the quick and convenient replacement of silica gel filter screen 17, without the aid of complex tools, improve the equipment maintenance efficiency, facilitate the subsequent cleaning and maintenance of the equipment, protect the normal operation and work effect of the equipment, finally, the material after drying and degassing through the heating tank 1 bottom discharge port 27 discharge, the valve 28 on the discharge port 27 for controlling the discharge process.
[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A drying and degassing apparatus for the preparation of alkylalkenoketones, comprising a heating tank (1), characterized in that: The heating tank (1) is fixedly connected with a support frame (15) outside, the heating tank (1) is provided with a stirring assembly inside, the heating tank (1) is provided with a heating jacket (2) inside, and the heating jacket (2) is provided with a heating element inside; The heating tank (1) is fixedly connected with a connecting pipe two (26) outside, the connecting pipe two (26) is fixedly connected with a dehumidification box (16) away from the heating tank (1) one end, the dehumidification box (16) is slidably connected with silica gel filter screen (17) inside, the dehumidification box (16) is fixedly connected with connecting pipe one (24) outside, the connecting pipe one (24) is provided with vacuum pump (25) outside, the silica gel filter screen (17) top is fixedly connected with connecting block (18), the dehumidification box (16) is provided with a fixing assembly outside; The stirring assembly comprises a connecting frame (5), a support plate (14) and a fixed frame (11), the fixed frame (11) is fixedly connected to the inner bottom wall of the heating tank (1) on the top, two rollers (12) are rotatably connected to the outer side of the fixed frame (11), the support plate (14) is fixedly connected to the inside of the heating tank (1) on the outer side, the connecting frame (5) is fixedly connected to the top of the heating tank (1) on the outer side, the bottom cylinder (13) is rotatably connected to the inside of the support plate (14), the motor (6) is fixedly connected to the inner wall of the connecting frame (5), the connecting rod (7) is fixedly connected to the output end of the motor (6), the square rod (8) is slidably connected to the inside of the connecting rod (7), the stirring rod (9) is fixedly connected to the outer side of the square rod (8), and the inclined disc (10) is fixedly connected to the outer side of the stirring rod (9).
2. A drying and degassing apparatus for the production of alkyl enone dimers according to claim 1, characterized in that The fixing assembly comprises a thin shell (19), the thin shell (19) is fixedly connected to the top of the dehumidification box (16) on the outer side, two baffles (21) are slidably connected to the inside of the thin shell (19), the handle (23) is fixedly connected to the outer side of the baffle (21), the plug-in block (22) is fixedly connected to the outer side of the baffle (21), and the spring (20) is fixedly connected to the outer side of the baffle (21).
3. A drying and degassing apparatus for the production of alkylalkenoketones according to claim 1, characterized in that: The discharge port (27) is fixedly connected to the bottom of the heating tank (1), and the valve (28) is mounted on the outer side of the discharge port (27).
4. The drying and degassing apparatus for the production of alkylalkenoketones according to claim 1, characterized in that The stirring rod (9) is slidably connected inside the bottom cylinder (13), and the inclined disc (10) is arranged between the two rollers (12) on the outer side.
5. The drying and degassing apparatus for the production of alkylalkenoketones according to claim 1, characterized in that The dehumidification box (16) is fixedly connected to the outer side of the support frame (15) on the outer side, and the vacuum pump (25) is mounted on the outer side of the support frame (15) on the outer side.
6. A drying and degassing apparatus for the production of alkylalkenoketones according to claim 2, characterized in that: The spring (20) is fixedly connected to the inner wall of the thin shell (19) away from the baffle (21) one end.
7. A drying and degassing apparatus for the production of alkylalkenoketones according to claim 2, characterized in that: The plug-in block (22) is slidably connected inside the thin shell (19) on the outer side, the handle (23) is slidably connected inside the thin shell (19) on the outer side, and the plug-in block (22) is plugged into the connecting block (18) inside on the outer side.
8. The drying and degassing apparatus for the production of alkylalkenoketones according to claim 1, characterized in that The heating tank (1) is fixedly connected with an inlet (3) on the top, and the heating tank (1) is fixedly connected with a gas outlet (4) on the top.