Three-shaft dispersion stirring kettle with wall scraping function

Abstract

The utility model discloses a three-shaft dispersion stirring kettle with a scraping wall, which comprises a kettle body and a kettle cover hermetically covered with the kettle body, a low-speed shaft and high-speed shafts respectively positioned on two sides of the low-speed shaft are arranged in the kettle body, the lower end of the low-speed shaft is connected with an anchor type paddle, the lower ends of the high-speed shafts are connected with a high-speed dispersion disc, and the high-speed dispersion disc is connected with the scraping wall. The two high-speed dispersion discs are arranged in a high-low manner and are respectively positioned in two side areas formed between the anchor type paddle and the low-speed shaft; a plurality of scrapers are arranged on the outer side of the anchor type paddle, the scrapers are arranged along the outer edge of the anchor type paddle at intervals, the scrapers are rotationally installed on the anchor type paddle through elastic reset mechanisms, and a pressure sensor used for detecting the scrapers is further arranged in the anchor type paddle. The linkage stirring range can be expanded, the stirring efficiency can be improved, raw materials accumulated on the inner wall and the bottom can be taken into consideration by the scraping plate, clean stirring can be carried out in time, the working state of the scraping plate can be detected through pressure monitoring, and breakage, falling and losing of the cleaning function are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring kettles, in particular to a three-axis dispersion stirring kettle with a scraping wall. Background Art

[0002] In chemical material production operations, chemical raw materials are usually stirred and mixed in a stirring kettle. The traditional structure of the stirring kettle only has one agitator inside, but the entire cavity is large and cannot achieve a good stirring effect. The mixing efficiency is low, and the raw materials in the cavity are prone to local accumulation, adhesion and accumulation on the inner wall and bottom, and cannot be stirred. If not cleaned in time, it will affect the use of the stirring kettle. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a three-axis dispersed stirring kettle with scraper wall, aiming to solve the technical problems existing in the prior art that the traditional stirring kettle has low mixing efficiency, raw materials are easily locally accumulated, and it cannot be cleaned in time, which affects the use of the stirring kettle.

[0004] The technical solution of the utility model is: a three-axis dispersion stirring kettle with scraper wall, comprising a kettle body and a kettle cover sealed with the kettle body, wherein the kettle body is provided with a low-speed shaft and high-speed shafts respectively located on both sides of the low-speed shaft, the lower end of the low-speed shaft is connected to an anchor blade, the lower end of the high-speed shaft is connected to a high-speed dispersion disk, the two high-speed dispersion disks are arranged one high and one low and are respectively located in the two side areas formed between the anchor blade and the low-speed shaft; a scraper is arranged on the outer side of the anchor blade, the scraper has a plurality of pieces and is arranged at intervals along the outer edge of the anchor blade, the scraper is rotatably mounted on the anchor blade through an elastic reset mechanism, and a pressure sensor for detecting the scraper is also arranged in the anchor blade.

[0005] Furthermore, the anchor blade in the utility model is provided with a movable opening on the outer side, a scraper is arranged in the movable opening, the outer end of the scraper is located outside the movable opening, the inner end of the scraper is connected to a rotating plate, and the rotating plate is rotatably installed inside the anchor blade through a rotating shaft, and a sealing plate is connected to the scraper, and the sealing plate and the anchor blade are sealed and slidably cooperated to close the movable opening.

[0006] Furthermore, the elastic reset mechanism described in the utility model includes a linkage plate rotatably installed inside the anchor blade, a balancing member and a trigger member respectively slidably connected to both sides of the linkage plate, a pressure sensor is arranged on one side of the balancing member and the trigger member, a first spring is installed on the other side of the balancing member, the other side of the trigger member is in contact with the rotating plate and a second spring is installed on the other side of the rotating plate.

[0007] Furthermore, the scraper in the utility model is a tetrafluoroethylene scraper.

[0008] Furthermore, the high-speed dispersion disc in the utility model comprises a disc body connected to the high-speed shaft, and a plurality of upper blades and a plurality of lower blades arranged at intervals on the outer periphery of the disc body along the circumferential direction of the disc body.

[0009] Furthermore, the outside of the kettle body in the utility model is wrapped with a jacket, the jacket is provided with a steam inlet and a steam outlet connected with the inside thereof, the outside of the jacket is wrapped with an outer casing, and the space between the outer casing and the jacket is filled with thermal insulation filler.

[0010] Furthermore, the low-speed shaft in the utility model is rotatably installed in the first shaft seat through a low-speed mechanical seal, and the low-speed shaft is connected and driven by a low-speed reducer; the high-speed shaft is rotatably installed in the second shaft seat through a high-speed mechanical seal, and the high-speed shaft is connected to the high-speed motor through a high-speed pulley and a high-speed belt.

[0011] Compared with the prior art, the utility model has the following advantages: the utility model adopts an anchor-type paddle that can stir over a wide range, and cooperates with high-speed dispersion plates on both sides to quickly disperse and stir the raw materials. The two high-speed dispersion plates are set one high and one low, which expands the linkage stirring range and improves the stirring efficiency. At the same time, a number of scrapers are designed on the outside of the anchor-type paddle to take into account the raw materials accumulated on the inner wall and the bottom, and clean and stir them in time. The scraper can detect its working state through pressure monitoring to avoid breakage and falling off and loss of cleaning function. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is the front view of the utility model;

[0013] Figure 2 This is a schematic diagram of the installation of the scraper described in the utility model;

[0014] Figure 3 This is a schematic diagram of the first state of the scraper during stirring of the utility model;

[0015] Figure 4 This is a schematic diagram of the second state of the scraper during stirring of the utility model;

[0016] Figure 5 It is a top view of the utility model.

[0017] Among them: 1. kettle body; 2. kettle cover; 3. low speed shaft; 4. high speed shaft; 5. anchor blade; 5a. movable port; 6. high speed dispersion disk; 6a. disk body; 6b. upper blade; 6c. lower blade; 7. scraper; 8. pressure sensor; 9. rotating plate; 10. rotating shaft; 11. sealing plate; 12. linkage plate; 13. balance member; 14. trigger member; 15. first spring; 16. second spring; 17. jacket; 17 a. Steam inlet; 17b. Steam outlet; 18. Outer shell; 19. Insulation filler; 20. Low-speed mechanical seal; 21. First shaft seat; 22. Low-speed reducer; 23. High-speed mechanical seal; 24. Second shaft seat; 25. High-speed pulley; 26. High-speed belt; 27. High-speed motor; 28. Discharge port; 29. ​​Feed port; 30. Temperature measuring port; 31. Vacuum port; 32. Vent port; 33. Manhole. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is described in detail below with reference to the accompanying drawings.

[0019] Example:

[0020] The accompanying drawings show a specific embodiment of a three-axis dispersion stirring kettle with scraping wall of the utility model, which mainly includes a kettle body 1, a kettle cover 2 sealed with the kettle body 1, a low-speed shaft 3 and high-speed shafts 4 respectively located on both sides of the low-speed shaft 3 are arranged in the kettle body 1, the lower end of the low-speed shaft 3 is connected to the anchor blade 5, and the lower end of the high-speed shaft 4 is connected to the high-speed dispersion disk 6, and the two high-speed dispersion disks 6 are arranged one high and one low and are respectively located in the two side areas formed between the anchor blade 5 and the low-speed shaft 3. In this embodiment, each high-speed dispersion disk 6 includes a disk body 6a connected to the high-speed shaft 4, a plurality of upper blades 6b and a plurality of lower blades 6c arranged at intervals on the outer periphery of the disk body 6a along the circumferential direction of the disk body 6a.

[0021] The outside of the kettle body 1 is wrapped with a jacket 17, and the jacket 17 is provided with a steam inlet 17a and a steam outlet 17b connected with the inside thereof. The outside of the jacket 17 is wrapped with an outer cylinder 18, and the space between the outer cylinder 18 and the jacket 17 is filled with a heat-insulating filler 19. A discharge port 28 is provided at the bottom of the kettle body 1.

[0022] The low-speed shaft 3 is rotatably mounted in the first shaft seat 21 through a low-speed mechanical seal 20, and the low-speed shaft 3 is connected and driven by a low-speed reducer 22. The high-speed shaft 4 is rotatably mounted in the second shaft seat 24 through a high-speed mechanical seal 23, and the high-speed shaft 4 is connected to the high-speed motor 27 through a high-speed pulley 25 and a high-speed belt 26. Specifically, the high-speed shaft 4 and the high-speed motor 27 are each connected to a high-speed pulley 25, and the two high-speed pulleys 25 are connected through a high-speed belt 26.

[0023] In this embodiment, a scraper 7 is provided on the outer side of the anchor blade 5. The scraper 7 is a tetrafluoroethylene scraper. The scraper 7 has a plurality of pieces and is arranged at intervals along the outer edge of the anchor blade 5. Figure 2 As shown, the anchor blade 5 has an active opening 5a on its outer side, and the scraper 7 is arranged in the active opening 5a. The outer end of the scraper 7 is located outside the active opening 5a, and the inner end of the scraper 7 is connected to the rotating plate 9. The rotating plate 9 is rotatably installed inside the anchor blade 5 through the rotating shaft 10, and the scraper 7 can rotate around the rotating shaft 10. A sealing plate 11 is connected to the scraper 7, and the sealing plate 11 and the anchor blade 5 are sealed and slidably matched to close the active opening 5a. Specifically, the sealing plate 11 is embedded in the anchor blade 5 on all sides, and the scraper 7 can drive the sealing plate 11 to rotate. The sealing plate 11 always closes the active opening 5a to prevent the raw materials from entering.

[0024] A linkage plate 12 is rotatably installed inside the anchor blade 5, and a balancing member 13 and a trigger member 14 are slidingly connected to both sides of the linkage plate 12. A pressure sensor 8 is provided on one side of the balancing member 13 and the trigger member 14, and a first spring 15 is installed on the other side of the balancing member 13. The other side of the trigger member 14 is in contact with the rotating plate 9, and a second spring 16 is installed on the other side of the rotating plate 9.

[0025] When the anchor blade 5 rotates in the positive direction, the scraper 7 is driven to rotate and rotates under force when stirring the raw materials. Figure 3 As shown, the rotating plate 9 presses down the second spring 16 and pushes the trigger member 14 to contact the pressure sensor 8. Under the action of the linkage plate 12, the balance member 13 descends and compresses the first spring 15. If the anchor blade 5 rotates in the opposite direction, as shown in FIG. Figure 4 As shown, the scraper 7 rotates in the opposite direction, but can also push the trigger member 14 to trigger the pressure sensor 8. The scraper 7 can be restored to the position where the first spring 15, the balance member 13, the linkage piece 12, the trigger member 14 and the second spring 16 cooperate to restore the scraper 7 to the position where the first spring 15, the balance member 13, the linkage piece 12, the trigger member 14 and the second spring 16 cooperate to restore the scraper 7 to the position where the second spring 16 cooperates to restore the scraper 7 to the position where the first spring 15, the balance member 13 and the linkage piece 12, the trigger member 14 and the second spring 16 cooperate ... Figure 2 The initial state.

[0026] In addition, in this embodiment, combined with Figure 5 The kettle cover 2 is provided with a feed port 29, a temperature measuring port 30, a vacuum port 31, a venting port 32, and a manhole 33, all of which are prior art.

[0027] Of course, the above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any modifications made according to the spirit of the main technical solution of the utility model should be included in the protection scope of the utility model.

Claims

1. A three-axis dispersed stirring kettle with scraping wall, characterized in that: The invention comprises a kettle body (1) and a kettle cover (2) sealed with the kettle body (1); a low-speed shaft (3) and high-speed shafts (4) respectively located on both sides of the low-speed shaft (3) are arranged in the kettle body (1); the lower end of the low-speed shaft (3) is connected to an anchor blade (5); the lower end of the high-speed shaft (4) is connected to a high-speed dispersion disk (6); the two high-speed dispersion disks (6) are arranged one high and one low and are respectively located in two side areas formed between the anchor blade (5) and the low-speed shaft (3); a scraper (7) is arranged on the outer side of the anchor blade (5); the scraper (7) has a plurality of pieces and is arranged at intervals along the outer edge of the anchor blade (5); the scraper (7) is rotatably mounted on the anchor blade (5) through an elastic reset mechanism; a pressure sensor (8) for detecting the scraper (7) is also arranged in the anchor blade (5).

2. A three-axis dispersed stirred tank with scraping wall according to claim 1, characterized in that: The anchor blade (5) has a movable opening (5a) formed on the outer side thereof. The scraper (7) is arranged in the movable opening (5a). The outer end of the scraper (7) is located outside the movable opening (5a). The inner end of the scraper (7) is connected to a rotating plate (9). The rotating plate (9) is rotatably mounted inside the anchor blade (5) via a rotating shaft (10). The scraper (7) is connected to a sealing plate (11). The sealing plate (11) and the anchor blade (5) are sealingly slidably matched to close the movable opening (5a).

3. A three-axis dispersed stirred tank with scraping wall according to claim 2, characterized in that: The elastic reset mechanism comprises a linkage piece (12) rotatably mounted inside the anchor blade (5), a balancing piece (13) and a trigger piece (14) respectively slidably connected to both sides of the linkage piece (12), a pressure sensor (8) is arranged on one side of the balancing piece (13) and the trigger piece (14), a first spring (15) is installed on the other side of the balancing piece (13), the other side of the trigger piece (14) is in contact with the rotating plate (9), and a second spring (16) is installed on the other side of the rotating plate (9).

4. The three-axis dispersed stirring kettle with scraping wall according to claim 1, characterized in that: The scraper (7) is a tetrafluoroethylene scraper.

5. The three-axis dispersed stirring kettle with scraped wall according to claim 1, characterized in that: The high-speed dispersion disc (6) comprises a disc body (6a) connected to the high-speed shaft (4), a plurality of upper blades (6b) and a plurality of lower blades (6c) arranged at intervals on the outer periphery of the disc body (6a) along the circumferential direction of the disc body (6a).

6. The three-axis dispersed stirring kettle with scraping wall according to claim 1, characterized in that: The exterior of the kettle body (1) is wrapped with a jacket (17), and the jacket (17) is provided with a steam inlet (17a) and a steam outlet (17b) which are communicated with the interior thereof; the exterior of the jacket (17) is wrapped with an outer casing (18), and a heat-insulating filler (19) is filled between the outer casing (18) and the jacket (17).

7. The three-axis dispersed stirring kettle with scraping wall according to claim 1, characterized in that: The low-speed shaft (3) is installed in a first shaft seat (21) in a sealed and rotatable manner via a low-speed mechanical seal (20), and the low-speed shaft (3) is connected and driven by a low-speed reducer (22); the high-speed shaft (4) is installed in a second shaft seat (24) in a sealed and rotatable manner via a high-speed mechanical seal (23), and the high-speed shaft (4) is connected to a high-speed motor (27) via a high-speed pulley (25) and a high-speed belt (26).

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