Reaction kettle
By introducing agitators and stirring racks into the reactor, and utilizing structures such as pusher paddles, flow stabilizers, turbulence drums, and external scrapers, the problem of small stirring amplitude in existing reactors has been solved, achieving more efficient material mixing.
Patent Information
- Application Number
- CN202423011527.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-06
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-06
AI Technical Summary
The existing reactor has a small stirring amplitude, resulting in low material mixing efficiency.
A reactor comprising a vessel body, a tilting component, a stirring rack, and a driving component was designed. The tilting component tilts the vessel body upward from the bottom, and the stirring rack stirs the material on the outside. By setting up structures such as a pusher, a flow stabilizer, a turbulence drum, and an external scraper, a large-scale material tilting and stirring can be achieved.
It improves the mixing efficiency and effect of materials, ensuring uniform mixing.
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Figure CN223811036U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to polyurea reaction kettle technical field, concretely relates to a reaction kettle. BACKGROUND
[0002] Polyurea is widely used, and its synthesis needs to use two reaction raw materials of isocyanate and amine compound, and the mixing reaction is carried out through the mode of stirring and heating, and temperature, time and stirring speed of mixing reaction are important factors to determine the quality of finished product, and the reaction is usually carried out for 4-10 hours between 70 DEG C-130 DEG C.
[0003] In order to improve production efficiency, people need to carry out work through the related reaction kettle, for example, the utility model discloses a kind of reaction kettle for low VOC polyurea adhesive preparation, the reaction kettle is heated to kettle by being provided with steam flow layer, and is provided with rotating rod coaxial with kettle, and a plurality of groups of connecting rods are vertically arranged on the outside of rotating rod, and a plurality of fixed plates are vertically arranged on the connecting rod, to form tree-shaped stirring piece to stir material, to ensure production quality.
[0004] However, the stirring range of the stirring piece in the kettle is relatively small when the above-mentioned reaction kettle is actually used, and the material cannot be mixed uniformly in time, resulting in low mixing efficiency of the material. UTILITY MODEL CONTENTS
[0005] The utility model aims at overcoming the above technical deficiencies, and proposes a kind of reaction kettle, to solve the technical problem that the mixing efficiency is low due to the small stirring range in the prior art.
[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:
[0007] The utility model provides a kind of reaction kettle, it includes: kettle body, overturning piece, stirring frame and driving piece, the overturning piece is coaxially arranged in the kettle body, and the bottom end of the overturning piece extends to the bottom in the kettle body, the stirring frame is rotatably arranged on the outside of the overturning piece, the driving piece is installed on the top of the kettle body, and the driving piece is used to drive the overturning piece to overturn upwards and the stirring frame to rotate.
[0008] In some embodiments, the turning element comprises a rotating shaft, a plurality of pushing paddles, a plurality of flow stabilizing tubes and a turbulence drum, the rotating shaft is coaxially and rotatably arranged inside the kettle body, the plurality of pushing paddles are uniformly sleeved outside the rotating shaft, the plurality of flow stabilizing tubes are respectively sleeved outside the plurality of pushing paddles, the outside of the flow stabilizing tube is connected with the inside of the stirring frame, a turbulence drum is arranged between the two flow stabilizing tubes, the turbulence drum is coaxially sleeved outside the rotating shaft, and the top end of the rotating shaft penetrates to the outside of the top end of the kettle body and is matched with the driving element.
[0009] In some embodiments, the bottom inner wall of the kettle body is provided with a support, and the bottom end of the rotating shaft is rotatably connected with the top of the support.
[0010] In some embodiments, the turbulence drum is double-cone-shaped.
[0011] In some embodiments, the stirring frame comprises an outer scraping frame, a plurality of pushing bars and a plurality of connecting rods, the outer scraping frame is rotatably sleeved outside the rotating shaft, and the outside of the outer scraping frame is in contact with the inner wall of the kettle body, the plurality of pushing bars are symmetrically distributed inside the outer scraping frame, the top end of the pushing bar is fixedly connected with the top inner wall of the outer scraping frame, one end of the connecting rod is fixedly connected with the inner wall of the outer scraping frame on both sides, the other end of the connecting rod penetrates to one side of the pushing bar, and a same sleeve ring is fixedly connected with the proximal end of the connecting rod, and the sleeve ring is sleeved outside the flow stabilizing tube.
[0012] In some embodiments, a rotating sleeve is sleeved at the connection between the outer scraping frame and the rotating shaft, the rotating sleeve is sleeved outside the rotating shaft, and the top of the rotating sleeve penetrates to the outside of the top end of the kettle body and is matched with the driving element.
[0013] In some embodiments, the driving element comprises a motor, a first gear set and a second gear set, the motor is fixedly installed on the top of the kettle body, the first gear set and the second gear set are each provided with two gears with diameters decreasing in sequence and coaxially distributed, the two gears in the first gear set are respectively fixedly sleeved outside the top of the rotating shaft and the rotating sleeve, the two gears in the second gear set are both fixedly arranged on the output shaft of the motor, and the gears in the first gear set and the second gear set are complementarily distributed and meshed.
[0014] In some embodiments, the top of the kettle body is provided with two feeding ports, and the outside of the feeding port is sleeved with a top cover.
[0015] In some embodiments, the bottom of the kettle body is provided with a discharging port, and the outside of the discharging port is sleeved with a bottom cover.
[0016] In some embodiments, the bottom of the kettle body is provided with a support leg.
[0017] Compared with the prior art, the reaction kettle provided by the utility model realizes the purpose of improving the mixing efficiency by setting the kettle body, the turning part, the stirring frame and the driving part to build a mixing device with large turning range; in specific operation, the materials to be mixed are injected into the kettle body, the driving part is started, the driving part drives the turning part and the stirring frame to rotate, the turning part pushes the materials upward from the bottom of the kettle body, the materials finally overflow through the top of the turning part, at the same time, the stirring frame stirs the materials on the outside of the turning part, and the materials can be greatly stirred, the mixing efficiency is improved and the mixing effect is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic view of a reaction kettle provided by the utility model embodiment;
[0019] Figure 2 is Figure 1 a partial sectional view structural schematic view of
[0020] Figure 3 is Figure 2 a front view structural schematic view of
[0021] Mark explanation: 100, kettle body; 110, support; 200, turning part; 210, rotating shaft; 220, pushing paddle; 230, steady flow cylinder; 240, spoiler drum; 300, stirring frame; 310, outer scraping frame; 320, pushing strip; 330, connecting rod; 331, collar; 340, rotating sleeve; 400, driving part; 410, motor; 420, first gear set; 430, second gear set; 500, feed inlet; 510, top cover; 600, discharge port; 610, bottom cover; 700, supporting leg. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0023] In order to solve the technical problem of low stirring efficiency, the utility model provides a reaction kettle, which can realize higher stirring efficiency.
[0024] It should be noted that the reaction kettle provided by the utility model is used for but not limited to polyurea reaction kettle and the like, in order to facilitate the description, in the utility model, only the reaction kettle is applied to the polyurea reaction kettle as an example for description, and the principle of the reaction kettle applied to other types of equipment and the principle applied to the polyurea reaction kettle is substantially the same, which is not described here.
[0025] Please refer to Figure 1 - Figure 3 wherein, Figure 1 It is a structure diagram of a reaction kettle in an embodiment of the present application, and the reaction kettle comprises a kettle body 100, a turnover member 200, a stirring frame 300 and a driving member 400. The turnover member 200 is coaxially arranged in the kettle body 100, and the bottom end of the turnover member 200 extends to the bottom of the kettle body 100. The stirring frame 300 is rotatably arranged outside the turnover member 200. The driving member 400 is arranged on the top of the kettle body 100, and is used to drive the turnover member 200 to turn upward and drive the stirring frame 300 to rotate.
[0026] In this embodiment, the material to be mixed is injected into the kettle body 100, and the driving member 400 is started to drive the turnover member 200 and the stirring frame 300 to rotate. The turnover member 200 pushes the material upward from the bottom of the kettle body 100, and the material finally overflows through the top of the turnover member 200. At the same time, the stirring frame 300 stirs the material outside the turnover member 200. In this way, the material can be stirred greatly, the mixing efficiency is improved, and the mixing effect is ensured.
[0027] In one of the embodiments, please refer to Figure 2 - Figure 3 The turnover member 200 comprises a rotating shaft 210, a plurality of pushing paddles 220, a plurality of flow stabilizing cylinders 230 and a turbulence drum 240. The rotating shaft 210 is coaxially and rotatably arranged inside the kettle body 100. The plurality of pushing paddles 220 are uniformly arranged outside the rotating shaft 210. The plurality of flow stabilizing cylinders 230 are arranged outside the plurality of pushing paddles 220 respectively. The outside of the flow stabilizing cylinder 230 is connected with the inside of the stirring frame 300. The turbulence drum 240 is arranged between the two flow stabilizing cylinders 230. The turbulence drum 240 is coaxially arranged outside the rotating shaft 210. The top end of the rotating shaft 210 penetrates to the outside of the top end of the kettle body 100 and is matched with the driving member 400.
[0028] In this embodiment, the driving member 400 drives the rotating shaft 210 to rotate, and the rotating shaft 210 drives the plurality of pushing paddles 220 to rotate. The pushing paddles 220 rotate in the flow stabilizing cylinders 230, and the flow stabilizing cylinders 230 are always stable under the support of the stirring frame 300. The pushing paddles 220 push the material upward, and the material overflowing from the flow stabilizing cylinders 230 flows downward under the action of gravity, and then flows again under the action of the pushing force of the pushing paddles 220. In this way, the material is greatly stirred.
[0029] The bottom inner wall of the kettle body 100 is provided with a support 110. The bottom end of the rotating shaft 210 is rotatably connected with the top of the support 110. The top of the rotating shaft 210 is rotatably connected with the top of the kettle body 100. The support 110 can improve the rotation stability of the rotating shaft 210.
[0030] The disturbance drum 240 is double-cone-shaped, which can ensure the flowability of the material.
[0031] In one of the embodiments, referring to Figure 2 Figure 3 The stirring frame 300 comprises an outer scraping frame 310, a plurality of pushing bars 320 and a plurality of connecting rods 330. The outer scraping frame 310 is rotatably sleeved outside the rotating shaft 210, and the outer side of the outer scraping frame 310 is in contact with the inner wall of the kettle body 100. The plurality of pushing bars 320 are symmetrically distributed inside the outer scraping frame 310. The top end of the pushing bar 320 is fixedly connected with the top inner wall of the outer scraping frame 310. One end of each of the plurality of connecting rods 330 is fixedly connected with the inner wall of the outer scraping frame 310 on both sides. The other end of the connecting rod 330 penetrates to one side of the pushing bar 320. The connecting rod 330 is fixedly connected with the same sleeve ring 331 near one end. The sleeve ring 331 is sleeved outside the flow stabilizing cylinder 230.
[0032] The outer scraping frame 310 is sleeved with a rotating sleeve 340 at the connection with the rotating shaft 210. The rotating sleeve 340 is sleeved outside the rotating shaft 210. The top of the rotating sleeve 340 penetrates to the outside of the top end of the kettle body 100 and is adapted to the driving member 400.
[0033] In this embodiment, the driving member 400 drives the rotating shaft 210 to rotate, and at the same time, the outer scraping frame 310 is driven to rotate through the rotating sleeve 340. The outer scraping frame 310 scrapes the inner wall of the kettle body 100 to avoid the material adhering to the inner wall of the kettle body 100. The outer scraping frame 310 rotates and drives the plurality of pushing bars 320 to rotate. The attack angle between the pushing bar 320 and the axis of the kettle body 100 can push the material to the center of the kettle body 100, so that the material flows and stirs better. At the same time, the connecting rod 330 reinforces the pushing bar 320 to ensure the stability of the operation.
[0034] In one of the embodiments, referring to Figure 2 Figure 3 The driving member 400 comprises a motor 410, a first gear set 420 and a second gear set 430. The motor 410 is fixedly installed on the top of the kettle body 100. The first gear set 420 and the second gear set 430 are each provided with two gears with diameters decreasing in sequence and coaxially distributed. The two gears in the first gear set 420 are fixedly sleeved outside the top of the rotating shaft 210 and the rotating sleeve 340, respectively. The two gears in the second gear set 430 are fixedly arranged on the output shaft of the motor 410. The gears in the first gear set 420 and the second gear set 430 are complementarily distributed and meshed.
[0035] In the embodiment, the motor 410 drives the second gear set 430 to engage the first gear set 420, specifically, the gear with a larger diameter in the second gear set 430 engages the gear with a smaller diameter in the first gear set 420, the gear with a larger diameter in the first gear set 420 engages the gear with a smaller diameter in the second gear set 430, the gear with a smaller diameter in the first gear set 420 is connected with the rotating sleeve 340, and the gear with a larger diameter is connected with the rotating shaft 210, the complementary engagement makes the rotating speed of the rotating shaft 210 greater than that of the rotating sleeve 340, which meets the actual operation requirement.
[0036] The top of the kettle body 100 is provided with two feeding ports 500, the outside of the feeding port 500 is provided with a top cover 510, the bottom of the kettle body 100 is provided with a discharging port 600, the outside of the discharging port 600 is provided with a bottom cover 610, and the bottom of the kettle body 100 is provided with a supporting leg 700.
[0037] In order to better understand the present application, the following will be combined Figures 1 to 3 The technical scheme of the present application is described in detail: in the specific operation, the materials to be mixed are injected into the kettle body 100, the motor 410 is started, the motor 410 drives the second gear set 430 to engage the first gear set 420, specifically, the gear with a larger diameter in the second gear set 430 engages the gear with a smaller diameter in the first gear set 420, the gear with a larger diameter in the first gear set 420 engages the gear with a smaller diameter in the second gear set 430, the gear with a smaller diameter in the first gear set 420 is connected with the rotating sleeve 340, and the gear with a larger diameter is connected with the rotating shaft 210, the complementary engagement makes the rotating speed of the rotating shaft 210 greater than that of the rotating sleeve 340, which meets the actual operation requirement.
[0038] The motor 410 drives the rotating shaft 210 to rotate, the rotating shaft 210 drives the plurality of pushing paddles 220 to rotate, the pushing paddles 220 rotate in the flow stabilizing cylinder 230, the flow stabilizing cylinder 230 is always stable under the support of the stirring frame 300, the pushing paddles 220 push the materials upwards, the materials overflowing from the flow stabilizing cylinder 230 flow downwards under the action of gravity, and then flow again under the pushing force of the pushing paddles 220, simultaneously, the motor 410 drives the outer scraping frame 310 to rotate through the rotating sleeve 340, the outer scraping frame 310 scrapes the inner wall of the kettle body 100 to avoid that the materials adhere to the inner wall of the kettle body 100, the outer scraping frame 310 rotates and drives the plurality of pushing strips 320 to rotate, the pushing strips 320 are provided with an attack angle relative to the axis line of the kettle body 100, so that the materials are pushed to the center of the kettle body 100, the materials flow and stir better, the connecting rods 330 can reinforce the pushing strips 320, the stability of the operation is ensured, and reciprocation is realized, so that the materials can be stirred greatly, the mixing efficiency is improved, and the mixing effect is ensured.
[0039] The specific implementation of the utility model above does not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.
Claims
1. A reaction vessel, characterized by, include: The vessel body; A tilting component, which is coaxially disposed inside the vessel body, with its bottom end extending to the bottom of the vessel body; A stirring rack, which is rotatably sleeved on the outside of the turning member; as well as A driving component is provided at the top of the vessel body, and the driving component is used to drive the tilting component to tilt upward and the stirring rack to rotate; The agitator includes a rotating shaft, several pusher blades, several flow stabilizers, and a turbulence drum. The rotating shaft is coaxial and rotatably disposed inside the vessel body. Several pusher blades are evenly fitted around the outside of the rotating shaft. Several flow stabilizers are respectively fitted around the outside of several pusher blades. The outside of the flow stabilizers is connected to the inside of the stirring frame. A turbulence drum is provided between two flow stabilizers. The turbulence drum is coaxially fitted around the outside of the rotating shaft. The top end of the rotating shaft extends through to the outside of the top end of the vessel body and is adapted to the drive component.
2. The reactor of claim 1, wherein The bottom inner wall of the vessel is provided with a support, and the bottom end of the rotating shaft is rotatably connected to the top of the support.
3. The reactor of claim 1, wherein The turbulence drum is double-conical in shape.
4. The reactor of claim 1, wherein The stirring frame includes an outer scraper, several push bars, and several connecting rods. The outer scraper is rotatably sleeved on the outside of the rotating shaft, and the outer side of the outer scraper is in contact with the inner wall of the vessel. Several push bars are symmetrically distributed on the inner side of the outer scraper, and the top end of each push bar is fixedly connected to the top inner wall of the outer scraper. One end of each connecting rod is fixedly connected to the inner walls of both sides of the outer scraper, and the other end of each connecting rod extends through to one side of the push bar. A common collar is fixedly connected to the end of each connecting rod that is close to the other end. The collar is sleeved on the outside of the flow stabilizer.
5. A reactor according to claim 4, wherein A rotating sleeve is fitted at the connection between the outer scraper and the rotating shaft. The rotating sleeve is fitted outside the rotating shaft, and the top of the rotating sleeve extends to the outside of the top of the vessel body and is adapted to the driving component.
6. A reactor according to claim 5, wherein The driving component includes a motor, a first gear set, and a second gear set. The motor is fixedly installed on the top of the vessel body. Both the first gear set and the second gear set have two gears with successively decreasing diameters and coaxially distributed. The two gears in the first gear set are respectively fixedly sleeved on the top outer side of the rotating shaft and the rotating sleeve. The two gears in the second gear set are both fixedly installed on the output shaft of the motor. The gears in the first gear set and the second gear set are complementary and mesh with each other.
7. The reactor of claim 1 wherein, The top of the vessel body is provided with two feed inlets, and the feed inlets are covered with top covers.
8. The reactor of claim 6 wherein, The bottom of the vessel is provided with a discharge port, and a bottom cover is fitted over the discharge port.
9. The reactor of claim 7 wherein, The bottom of the vessel is provided with support legs.
Citation Information
Patent Citations
Reaction kettle for preparing low-VOC (volatile organic compound) polyurea adhesive
CN220425350U