CN221208074U

CN221208074U - Reaction kettle device for preparing nano materials

Info

Publication number: CN221208074U
Application number: CN202323152858.3U
Authority: CN
Inventors: 葛信信; 马俊; 李秋; 刘伟; 王积涛; 赵一昕; 韩晖
Original assignee: Bengbu Zhongheng New Materials Scientific And Technological Co ltd; Anhui Kaisheng Applied Materials Co ltd
Current assignee: Bengbu Zhongheng New Materials Scientific And Technological Co ltd; Anhui Kaisheng Applied Materials Co ltd
Filing date: 2023-11-22
Publication date: 2024-06-25
Anticipated expiration: 2033-11-22

Abstract

The utility model relates to a reaction kettle device for preparing nano materials, and belongs to the technical field of material synthesis equipment. It is including the reation kettle cauldron body that is equipped with actuating mechanism, actuating mechanism is connected with the reaction rabbling mechanism in the cauldron, reaction rabbling mechanism includes (mixing) shaft and mount, mount fixed connection is on the inner wall of the reation kettle cauldron body, the (mixing) shaft rotates to be connected on the mount, the top and the actuating mechanism output of (mixing) shaft are connected, the rotatable support of bottom of (mixing) shaft is on the interior bottom surface of the reation kettle cauldron body, first rabbling mechanism is still connected to the lower part of (mixing) shaft, first rabbling mechanism includes a set of stirring vane of being connected with the (mixing) shaft, be equipped with a set of ascending stirring tooth on every stirring vane, be connected with the inner wall scraper blade of vertical setting at every stirring vane's end-to-end, the inner wall scraper blade contacts with the inner wall of the reation kettle cauldron body. The utility model effectively enhances the stirring and mixing effects of the raw materials, effectively promotes the mixing reaction between the raw materials and greatly improves the efficiency of preparing the nano material.

Description

Reaction kettle device for preparing nano materials

Technical Field

The utility model relates to the technical field of material synthesis equipment, in particular to a reaction kettle device for preparing nano materials.

Background

The reaction kettle is broadly understood to be a stainless steel container with physical or chemical reaction, and the structural design and parameter configuration of the container are carried out according to different technological condition requirements. Design conditions, processes, inspection and manufacture, and acceptance are required according to relevant technical standards to realize heating, evaporating, cooling and low-speed and high-speed mixing reaction functions required by the process. The reaction kettle is widely applied to various fields of production and life.

In the process of preparing the nano material, a reaction kettle is often used for completing heating, mixing reaction and the like of raw materials, but the reaction kettle applied to the preparation of the nano material on the market at present has a simpler stirring and mixing structure design of reaction liquid. For example, a reaction kettle for producing nano powder with publication number CN103464083a and a reaction kettle for producing nano material with publication number CN108014731a both adopt single-layer or multi-layer stirring blades as stirring structures, and can not well realize mixing and stirring of raw materials, thereby greatly influencing the preparation efficiency and product index of nano material. Particularly, during the stirring process, raw materials are easy to accumulate on the inner wall of the reaction kettle, and the stirring and mixing effects can be affected.

Disclosure of utility model

In order to solve the problem of poor mixing effect of raw materials in the prior art, the utility model provides a reaction kettle device for preparing nano materials, which can improve the mixing effect and the material preparation efficiency.

The technical scheme is as follows:

A reaction kettle device for nano-material preparation, includes the reaction kettle body, is equipped with actuating mechanism on the reaction kettle body, and actuating mechanism is connected with the reaction rabbling mechanism in the cauldron, reaction rabbling mechanism includes (mixing) shaft and mount, and mount fixed connection is on the inner wall of the reaction kettle body, and the (mixing) shaft rotates to be connected on the mount, and the top and the actuating mechanism output of (mixing) shaft are connected, and the rotatable support in inner bottom of the reaction kettle body of bottom of (mixing) shaft, and first rabbling mechanism is still connected to the lower part of (mixing) shaft, and first rabbling mechanism includes a set of stirring vane of being connected with the (mixing) shaft, is equipped with a set of ascending stirring tooth on every stirring vane, has the inner wall scraper blade of vertical setting at every stirring vane's end-to-end connection, and the inner wall scraper blade contacts with the inner wall of the reaction kettle body.

Further, the inclination angles of the stirring teeth of the group are the same.

Further, the reaction stirring mechanism also comprises a second stirring mechanism, the second stirring mechanism is arranged right above the first stirring mechanism, the second stirring mechanism comprises a limiting ring and a connecting frame, the limiting ring is fixedly connected to the bottom surface of the fixing frame, the connecting frame is fixedly connected to the stirring shaft, connecting rods which are vertically arranged are rotationally connected to the end positions of two sides of the connecting frame, and a group of stirring impellers are fixedly connected to the connecting rods; the top end of the connecting rod is fixedly connected with a gear part, the limiting ring is fixedly connected with a gear ring, and the gear ring is meshed with the gear part.

Further, at least two stirring impellers are arranged on each connecting rod and distributed on the upper side and the lower side of the connecting frame.

Further, a reaction kettle jacket is fixedly connected to the outer side of the reaction kettle body, a heating cavity is formed between the reaction kettle jacket and the reaction kettle body wall, and a heating device is arranged in the heating cavity.

Further, the heating device is an electromagnetic heater.

Further, the top of the reaction kettle body is connected with a supporting frame; the driving mechanism comprises a servo motor, the servo motor is arranged at the top end of the supporting frame, the output shaft of the servo motor is fixedly connected with a driving sleeve, and the driving sleeve is connected with the stirring shaft.

Further, a material injection port is formed in the top end of the reaction kettle body, and a sealing flange is detachably connected to the material injection port.

Compared with the prior art, the utility model has the beneficial effects that:

This device is through setting up first rabbling mechanism, when stirring the preparation raw materials of the internal lower part of cauldron, can also clear up the raw materials that the cauldron inner wall was stored to stir this part raw materials, effectively strengthened the effect that the raw materials stirring was mixed, can effectively promote the blending reaction between the raw materials, also improved the efficiency of nanomaterial preparation simultaneously greatly.

Through setting up second rabbling mechanism, can drive stirring impeller revolution and rotation, effectively stir the mixture to the preparation raw materials of the internal middle-upper portion of reation kettle cauldron, the supplementary first rabbling mechanism of cooperation further strengthens raw materials stirring mixing effect, effectively promotes the blending reaction between the raw materials.

Drawings

FIG. 1 is a schematic structural diagram of a reaction kettle device for preparing nano materials according to an embodiment of the utility model;

FIG. 2 is a schematic structural view of a reaction stirring mechanism in an embodiment of the utility model;

FIG. 3 is a schematic diagram showing the running fit of the bottom end of the stirring shaft and the kettle body of the reaction kettle in the embodiment of the utility model;

FIG. 4 is a schematic diagram of a second stirring mechanism according to an embodiment of the present utility model;

FIG. 5 is a schematic view illustrating the engagement of a gear portion with a ring gear in an embodiment of the present utility model;

FIG. 6 is a schematic diagram of a connection structure between a reaction kettle jacket and a reaction kettle body in an embodiment of the utility model.

Reference numerals illustrate: 1. a reaction kettle body; 11. a groove; 2. supporting feet; 3. a sealing flange; 4. a reaction kettle jacket; 41. a heating chamber; 42. a heating device; 5. a support frame; 6. a driving mechanism; 61. a servo motor; 62. a drive sleeve; 7. a reaction stirring mechanism; 71. a stirring shaft; 711. a hemisphere; 72. a fixing frame; 73. a first stirring mechanism; 731. stirring blades; 732. a shaft sleeve; 733. stirring teeth; 734. an inner wall scraper; 74. a second stirring mechanism; 741. a limiting ring; 742. a connecting frame; 743. a connecting rod; 744. a stirring impeller; 745. a gear portion; 746. an annular through groove; 747. and a gear ring.

Detailed Description

In order that the utility model may be more clearly understood, a reaction kettle device for preparing nano materials according to the present utility model will be further described with reference to the accompanying drawings, wherein the specific embodiments described herein are for illustration only and not for limitation.

As shown in fig. 1 and 2, a reaction kettle device for preparing nano materials comprises a pot-shaped reaction kettle body 1, and a group of supporting feet 2 are fixedly connected to the bottom of the reaction kettle body 1. A material injection port is arranged on the wall of the upper kettle body of the reaction kettle body 1, and a sealing flange 3 is detachably arranged on the material injection port through a group of bolts. A supporting frame 5 is fixedly connected to the middle part of the top end of the reaction kettle body 1, a driving mechanism 6 is arranged on the supporting frame 5, and the driving mechanism 6 is connected with a reaction stirring mechanism 7 in the reaction kettle body 1.

The reaction stirring mechanism 7 comprises a stirring shaft 71 which is vertically arranged, the stirring shaft 71 penetrates through a horizontally arranged fixing frame 72, the fixing frame 72 is rod-shaped, and two ends of the fixing frame 72 are fixedly connected with the inner wall of the reaction kettle body 1. The stirring shaft 71 can rotate freely relative to the fixing frame 72, and further, friction resistance can be reduced by arranging a bearing at the matched position of the stirring shaft and the fixing frame. The top of the stirring shaft 71 is connected with the output end of the driving mechanism 6, and the bottom end of the stirring shaft 71 is rotatably supported on the inner bottom surface of the reaction kettle body 1, preferably, as shown in fig. 3, the bottom end of the stirring shaft 71 is provided with a hemisphere 711, correspondingly, the bottom surface of the reaction kettle body 1 is provided with a semicircular groove 11 which is matched with the bottom end of the stirring shaft, and the hemisphere 711 can be positioned in the groove 11 and form a running fit.

The first stirring mechanism 73 is also connected to the lower portion of the stirring shaft 71, and the first stirring mechanism 73 includes a set of stirring blades 731 connected to the stirring shaft 71, and the stirring blades 731 are uniformly distributed along the circumferential side of the stirring shaft 71. Specifically, the stirring blades 731 are four, and their inner ends are connected to the sleeve 732, and the sleeve 732 is fixedly sleeved on the stirring shaft 71, and the sleeve 732 is fixed on the stirring shaft 71 by, for example, a key connection, an interference connection, or the like. The outer side ends of the stirring blades 731 are respectively connected with an inner wall scraper 734 which is vertically arranged, and the inner wall scraper 734 can be contacted with the inner wall of the reaction kettle body 1 for scraping materials attached to the inner wall of the reaction kettle body 1. In addition, the stirring vane 731 has a long strip shape, on which a set of stirring teeth 733 obliquely upward are provided at equal intervals, and the inclined angles of the set of stirring teeth 733 are all the same. The stirring teeth 733 arranged at the same inclination angle are beneficial to the formation of a better mixing state of materials.

As shown in fig. 2 and 4, the reaction stirring mechanism 7 further includes a second stirring mechanism 74, and the second stirring mechanism 74 is disposed directly above the first stirring mechanism 73. The second stirring mechanism 74 includes a limiting ring 741 and a connecting frame 742, and the limiting ring 741 is fixedly connected to the bottom surface of the fixing frame 72. The connection frame 742 is a rhombic outer contour arm plate structure, which is horizontally arranged, a vertical through hole is arranged at the center, and the stirring shaft 71 is sleeved in the through hole and fixedly connected with the through hole, for example, the stirring shaft can be fixed by adopting a key connection mode, an interference connection mode and the like. The two side end positions of the connecting frame 742 are respectively and rotatably connected with connecting rods 743 which are vertically arranged through shaft and hole clearance fit structures, each connecting rod 743 is fixedly connected with a group of stirring impellers 744, each stirring impeller 744 is provided with a group of S-shaped blades which are uniformly distributed on the circumference, and the group of blades are provided with a certain inclination angle. Preferably, the number of the stirring impellers 744 is at least two, and is distributed on the upper and lower sides of the connection frame 742. As shown in fig. 5, the top end of the connecting rod 743 is coaxially and integrally connected with a gear portion 745, and the gear portion 745 may be a cylindrical gear; the limiting ring 741 is provided with an annular through groove 746 which penetrates up and down, the limiting ring 741 is divided into two concentric ring structures by the annular through groove 746, and the spacing between the two concentric ring structures can be ensured to be fixed as the limiting ring 741 is fixedly connected to the fixing frame 72. A gear ring 747 is fixedly connected to a side wall of the annular through groove 746, and the gear portion 745 is engaged with the gear ring 747. When the stirring shaft 71 rotates, the connecting rod 743 is driven by the connecting frame 742 to make the stirring impeller 744 revolve around the stirring shaft 71, and simultaneously the stirring impeller 744 rotates around its own axis through the meshing transmission of the gear portion 745 and the gear ring 747, so that the stirring and mixing efficiency of the reaction stirring mechanism 7 is further improved.

In some embodiments, as shown in fig. 6, the outer peripheral side of the wall body of the reaction kettle body 1 is connected with a reaction kettle jacket 4, a heating cavity 41 is formed between the reaction kettle jacket 4 and the wall body of the reaction kettle body 1, a heating device 42 is installed in the heating cavity 41, and the heating device 42 preferably adopts an electromagnetic heater, so that the heating effect is better, and the heating rate is faster.

In other embodiments, as shown in fig. 1, the driving mechanism 6 includes a servo motor 61, the servo motor 61 is fixedly installed at the top end of the supporting frame 5, the output end of the servo motor is vertically downward, a driving sleeve 62 is connected to the output end of the servo motor, and the driving sleeve 62 is fixedly connected coaxially with a stirring shaft 71 extending out of the reaction kettle body 1. Of course, the driving mechanism 6 may also be other driving modes, such as a motor-driven speed reducer structure, or a motor-driven belt, a sprocket and other transmission mechanisms.

The device works as follows: firstly, injecting raw materials required for preparing nano materials into a reaction kettle body 1 through a material injection port, starting a heating device 42 between a reaction kettle jacket 4 and the reaction kettle body, and heating the reaction kettle body 1 according to requirements; meanwhile, the servo motor 61 in the device is started, the servo motor 61 drives the first stirring mechanism 73 and the second stirring mechanism 74 in the reaction kettle to work through the stirring shaft 71, wherein the stirring blades 731 of the first stirring mechanism 73 can effectively stir and mix the preparation raw materials at the lower part in the reaction kettle, and the inner wall scraping plate 734 can effectively prevent raw materials from being adhered to the inner wall of the reaction kettle to cause waste and insufficient mixing of the raw materials, and meanwhile, the heating effect can be improved; and the second stirring mechanism 74 can effectively stir and mix the preparation raw materials at the middle and upper parts in the reaction kettle body, and drive the stirring impeller 744 to revolve and rotate so as to realize effective stirring of the preparation raw materials. The first stirring mechanism and the second stirring mechanism act together to further improve the stirring and mixing effect.

The above examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious changes and modifications which come within the spirit of the utility model are desired to be protected.

Claims

1. A reaction kettle device for nano material preparation, includes a reaction kettle body (1), a driving mechanism (6) is arranged on the reaction kettle body (1), and the driving mechanism (6) is connected with a reaction stirring mechanism (7) in the kettle, and is characterized in that: the reaction stirring mechanism (7) comprises a stirring shaft (71) and a fixing frame (72), the fixing frame (72) is fixedly connected to the inner wall of the reaction kettle body (1), the stirring shaft (71) is rotationally connected to the fixing frame (72), the top end of the stirring shaft (71) is connected with the output end of the driving mechanism (6), the bottom end of the stirring shaft (71) is rotationally supported on the inner bottom surface of the reaction kettle body (1), the lower part of the stirring shaft (71) is further connected with a first stirring mechanism (73), the first stirring mechanism (73) comprises a group of stirring blades (731) connected with the stirring shaft (71), a group of upward stirring teeth (733) are arranged on each stirring blade (731), the tail end of each stirring blade (731) is connected with an inner wall scraper (734) which is vertically arranged, and the inner wall scraper (734) is in contact with the inner wall of the reaction kettle body (1).

2. A reaction kettle device for preparing nano materials according to claim 1, wherein: the inclination angles of the stirring teeth (733) of the group are the same.

3. A reaction kettle device for preparing nano materials according to claim 1, wherein: the reaction stirring mechanism (7) further comprises a second stirring mechanism (74), the second stirring mechanism (74) is arranged right above the first stirring mechanism (73), the second stirring mechanism comprises a limiting ring (741) and a connecting frame (742), the limiting ring (741) is fixedly connected to the bottom surface of the fixing frame (72), the connecting frame (742) is fixedly connected to the stirring shaft (71), connecting rods (743) which are vertically arranged are rotationally connected to the end positions of two sides of the connecting frame (742), and a group of stirring impellers (744) are fixedly connected to the connecting rods (743); the top end of the connecting rod (743) is fixedly connected with a gear part (745), the limiting ring (741) is fixedly connected with a gear ring (747), and the gear ring (747) is meshed with the gear part (745).

4. A reaction kettle device for preparing nano materials according to claim 3, wherein: at least two stirring impellers (744) are arranged on each connecting rod (743) and are distributed on the upper side and the lower side of the connecting frame (742).

5. A reaction kettle device for preparing nano materials according to claim 1 or 4, wherein: the reaction kettle is characterized in that a reaction kettle jacket (4) is fixedly connected to the outer side of the reaction kettle body (1), a heating cavity (41) is formed between the reaction kettle jacket (4) and the wall body of the reaction kettle body (1), and a heating device (42) is arranged in the heating cavity (41).

6. The reaction kettle device for preparing nano materials according to claim 5, wherein: the heating device (42) is an electromagnetic heater.

7. A reaction kettle device for preparing nano materials according to claim 1 or 4, wherein: the top of the reaction kettle body (1) is connected with a supporting frame (5); the driving mechanism (6) comprises a servo motor (61), the servo motor (61) is arranged at the top end of the supporting frame (5), a driving sleeve (62) is fixedly connected to an output shaft of the servo motor (61), and the driving sleeve (62) is connected with the stirring shaft (71).

8. A reaction kettle device for preparing nano materials according to claim 1, wherein: the top of the reaction kettle body (1) is provided with a material injection port, and the material injection port is detachably connected with a sealing flange (3).