Fluid mixing and stirring device

Abstract

The utility model relates to a fluid mixing and stirring device, which comprises a box body, a discharge port arranged at the bottom of the box body, a plurality of vertical premixing cylinders wound on the outer side wall of the box body, a guide port communicated with the box body arranged at the top of one side of each premixing cylinder adjacent to the box body, a lifting and stirring mechanism arranged in each premixing cylinder, a first feed port arranged at the bottom of the outer wall of each premixing cylinder, and a second feed port arranged at the bottom of the outer wall of each premixing cylinder. A mixing and stirring mechanism is arranged in the box body and comprises a mixing motor, a stirring shaft and stirring blades, the stirring shaft is rotationally connected to the center of the top in the box body, the mixing motor is installed at the top of the box body and drives the stirring shaft to rotate, a plurality of rotating discs are arranged on the outer wall of the stirring shaft from top to bottom, and a plurality of pairs of connecting plates are evenly distributed on the circumference of the circumferential side wall of each rotating disc; one ends of the stirring blades are inserted into the pair of connecting plates and are fixedly connected through bolts and nuts, the stirring shaft is provided with a C-shaped scraping plate in contact with the inner wall of the box body, an upper plate of the scraping plate is fixed with the top of the stirring shaft, and a lower plate of the scraping plate is fixed with the bottom of the stirring shaft. The stirrer is sufficient in stirring and good in material mixing effect.

Description

Technical Field

[0001] The utility model relates to the field of material mixing, in particular to a fluid mixing and stirring device. Background Art

[0002] The mixing process is a very important unit operation process in the chemical and food industries. It mainly uses forced means to mix multiple fluids evenly, such as the mixing of bubbles and liquids, the mixing of liquids and droplets, the mixing of liquids and solid particles, etc. When mixing some materials, they need to be mixed in sections, such as premixing some materials first, reacting to meet the required requirements, and then mixing them uniformly. This mixing method generally requires multiple mixing drums. After the mixing is completed, the materials are poured into the final mixing drum. It requires a lot of equipment, which is placed in a scattered manner, occupies a large area, and is time-consuming and labor-intensive to operate, and inconvenient to use. Summary of the invention

[0003] The utility model aims to solve the deficiencies of the prior art and provides a fluid mixing and stirring device.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fluid mixing and stirring device, including a box body, a discharge port is provided at the bottom of the box body, a plurality of vertical premixing barrels are arranged around the outer wall of the box body, a material guide port connected to the box body is provided at the top of the premixing barrel close to one side of the box body, a lifting and stirring mechanism is provided in the premixing barrel, a first feed port is provided at the bottom of the outer wall of the premixing barrel, a mixing and stirring mechanism is provided in the box body, the mixing and stirring mechanism includes a mixing motor, a stirring shaft, and a stirring blade, the stirring shaft is rotatably connected to the top center of the box body, the mixing motor is installed on the top of the box body and drives the stirring shaft to rotate, a plurality of turntables are provided on the outer wall of the stirring shaft from top to bottom, a plurality of pairs of connecting plates are evenly distributed on the circumference of the circumferential side wall of the turntable, one end of the stirring blade is inserted into a pair of connecting plates and is connected and fixed by bolts and nuts, a scraper in contact with the inner wall of the box body is provided on the stirring shaft, the scraper is C-shaped, the upper plate of the scraper is fixed to the top of the stirring shaft, and the lower plate is fixed to the bottom of the stirring shaft.

[0005] In particular, the bottom of the box is in the shape of an inverted frustum.

[0006] In particular, the lifting stirring mechanism includes a spiral stirring rod and a premixing motor. The spiral stirring rod is rotatably connected to the center of the upper and lower inner walls of the premixing cylinder. The premixing motor is installed on the top of the premixing cylinder and drives the spiral stirring rod to rotate.

[0007] In particular, electric heating pipes are laid inside the premixing cylinder and the inner wall of the box body respectively.

[0008] Particularly, a plurality of second feed ports are provided on the top of the box body.

[0009] Particularly, reinforcing inclined rods are arranged between the upper plate, the lower plate of the scraper and the outer wall of the stirring shaft.

[0010] Particularly, the number of the premixing cylinders is greater than or equal to three, and legs are provided at the bottom of the premixing cylinders.

[0011] The beneficial effects of the utility model are as follows: the utility model provides a premixing barrel, a lifting and stirring mechanism, a first feed port, and a material guide port, so that each group of premixes can be premixed before mixing the materials, and the premixing barrel and the box body are arranged in one body, which saves space and is convenient for the premixes to enter the box body; the arrangement of the mixing and stirring mechanism can timely scrape the inner wall of the box body when the materials are stirred, so as to avoid the adhesion of sticky materials to the inner wall of the box body, and at the same time, the upper and lower plates of the scraper are connected to the stirring shaft, which can also stabilize the stirring shaft; the arrangement of the second feeding port is convenient for adding additives or other materials, and avoids contamination caused by premature contact with the premixes; at the same time, electric heating tubes are arranged on the premixing barrel and the inner wall of the box body, so as to facilitate the preheating of the materials in advance and stirring and mixing under heating conditions; the utility model is easy to operate during mixing, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] In the figure: 1-support leg; 2-discharge port; 3-box; 4-first feed port; 5-premixing barrel; 6-spiral stirring rod; 7-scraper; 8-stirring blade; 9-feeding port; 10-premixing motor; 11-reinforced inclined rod; 12-stirring shaft; 13-mixing motor; 14-second feed port; 15-turntable; 16-connecting plate;

[0014] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] like Figure 1 As shown, a fluid mixing and stirring device comprises a box body 3, the bottom of the box body 3 is in the shape of an inverted truncated cone, a material outlet 2 is arranged at the bottom of the box body 3, a plurality of vertical premixing barrels 5 are arranged around the outer wall of the box body 3, the number of the premixing barrels 5 is greater than or equal to three, a support leg 1 is arranged at the bottom of the premixing barrel 5, a material guide port 9 connected to the box body 3 is arranged at the top of the premixing barrel 5 adjacent to the box body 3, a lifting and stirring mechanism is arranged in the premixing barrel 5, and a first material feed port 4 is arranged at the bottom of the outer wall of the premixing barrel 5; the lifting and stirring mechanism comprises a spiral stirring rod 6 and a premixing motor 10, the spiral stirring rod 6 is rotatably connected to the center of the upper and lower inner walls of the premixing barrel 5, and the premixing motor 10 is installed on the top of the premixing barrel 5 and drives the spiral stirring rod 6 to rotate;

[0017] Specifically, when mixing materials, the materials to be premixed are firstly introduced into different premixing barrels 5 through the first feed port 4, and when the spiral stirring rod 6 rotates, the premixed materials are mixed and lifted upward, and then enter the box body 3 through the material guide port 9; the inner wall of the premixing barrel 5 is paved with an electric heating pipe, and the setting of the electric heating pipe can heat the premixed materials. The premixing barrel 5 can also be used as a temporary storage barrel, and the materials that do not need to be premixed are respectively placed in the corresponding premixing barrel 5, and can be directly lifted into the box body 3 when mixing. For example, when storing solid particles, the solid particles can be dried to avoid agglomeration, and the agglomerated particles can be dispersed during the lifting process.

[0018] A mixing and stirring mechanism is provided in the box body 3, and the mixing and stirring mechanism includes a mixing motor 13, a stirring shaft 12, and a stirring blade 8. The stirring shaft 12 is rotatably connected to the top center of the box body 3. The mixing motor 13 is installed on the top of the box body 3 and drives the stirring shaft 12 to rotate. A plurality of turntables 15 are provided on the outer wall of the stirring shaft 12 from top to bottom. A plurality of pairs of connecting plates 16 are evenly distributed on the circumference of the circumferential side wall of the turntable 15. One end of the stirring blade 8 is inserted into a pair of connecting plates 16 and fixed by bolts and nuts. A scraper 7 in contact with the inner wall of the box body 3 is provided on the stirring shaft 12. The scraper 7 is C-shaped, and the upper plate of the scraper 7 is fixed to the top of the stirring shaft 12, and the lower plate is fixed to the bottom of the stirring shaft 12. A reinforcing oblique rod 11 is provided between the upper plate, the lower plate and the outer wall of the stirring shaft 12 of the scraper 7. An electric heating pipe is laid inside the inner wall of the box body 3, and a plurality of second feed ports 14 are provided on the top of the box body 3.

[0019] Specifically, after each group of premixes enters the box 3, the mixing motor 13 starts working, the stirring shaft 12 rotates and stirs the materials. During this period, the scraper 7 continues to scrape the inner wall of the box 3 to prevent the materials from adhering to the inner wall of the box 3. If other materials need to be added, they can be added through the second feed port 14. After mixing is completed, they can be discharged through the discharge port 2.

[0020] In another optional embodiment, transparent observation windows may be provided on the outer walls of the premixing cylinder 5 and the box body 3 so as to observe the stirring conditions of the materials in the premixing cylinder 5 and the box body 3 .

[0021] In another optional embodiment, a removable cover is provided on the top of the premixing cylinder 5 and the top of the box body 3, the premixing motor 10 and the mixing motor 13 are respectively installed on the corresponding cover plates, a socket is provided at the bottom center of the premixing cylinder 5, and the bottom of the spiral stirring rod 6 is inserted into the socket, so as to facilitate subsequent disassembly for cleaning and maintenance of the lifting stirring mechanism and the mixing stirring mechanism, as well as cleaning of the premixing cylinder 5 and the inside of the box body 3.

[0022] In another optional embodiment, a first cleaning brush (not shown in the figure) is provided on the outside of the scraper 7, a cross bar is provided on the rotating shaft of the spiral stirring rod 6, and a second cleaning brush (not shown in the figure) is provided on the end of the cross bar to facilitate the later cleaning of the premixing cylinder 5 and the box body 1.

[0023] The utility model allows each group of premixes to be premixed before the materials are mixed, and the premixing barrel 5 and the box body 3 are arranged in one piece, which saves space and is convenient for the premixes to enter the box body 3; the inner wall of the box body 3 can be scraped in time when the materials are stirred to avoid sticky materials from adhering to the inner wall of the box body 3, and at the same time, the upper and lower plates of the scraper 7 are connected to the stirring shaft 12, which can also stabilize the stirring shaft 12; the setting of the second feed port 14 is convenient for adding additives or other materials, and avoids contamination caused by premature contact with the premix; at the same time, electric heating tubes are arranged on the inner wall of the premixing barrel 5 and the box body 3, which is convenient for preheating the materials in advance and stirring and mixing under heating conditions; the utility model is easy to operate during mixing, saving time and effort.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A fluid mixing and stirring device, comprising a box (3), characterized in that: A discharge port (2) is provided at the bottom of the box body (3), a plurality of vertical premixing cylinders (5) are arranged around the outer wall of the box body (3), a material guide port (9) connected to the box body (3) is provided at the top of the premixing cylinder (5) adjacent to the box body (3), a lifting stirring mechanism is provided inside the premixing cylinder (5), a first feeding port (4) is provided at the bottom of the outer wall of the premixing cylinder (5), a mixing stirring mechanism is provided inside the box body (3), the mixing stirring mechanism comprises a mixing motor (13), a stirring shaft (12), and a stirring blade (8), the stirring shaft (12) is rotatably connected to the top center of the box body (3), and the mixing motor (13) is provided to the mixing shaft (12) and the stirring blade (8). The machine (13) is installed on the top of the box body (3) and drives the stirring shaft (12) to rotate. A plurality of turntables (15) are arranged on the outer wall of the stirring shaft (12) from top to bottom. A plurality of pairs of connecting plates (16) are evenly distributed on the circumference of the circumferential side wall of the turntable (15). One end of the stirring blade (8) is inserted into the pair of connecting plates (16) and is connected and fixed by bolts and nuts. A scraper (7) is arranged on the stirring shaft (12) and contacts the inner wall of the box body (3). The scraper (7) is C-shaped. The upper plate of the scraper (7) is fixed to the top of the stirring shaft (12), and the lower plate is fixed to the bottom of the stirring shaft (12).

2. A fluid mixing and stirring device according to claim 1, characterized in that: The bottom of the box body (3) is in the shape of an inverted frustum.

3. A fluid mixing and stirring device according to claim 1, characterized in that: The lifting stirring mechanism comprises a spiral stirring rod (6) and a premixing motor (10). The spiral stirring rod (6) is rotatably connected to the center of the upper and lower inner walls of the premixing cylinder (5). The premixing motor (10) is installed on the top of the premixing cylinder (5) and drives the spiral stirring rod (6) to rotate.

4. A fluid mixing and stirring device according to claim 1, characterized in that: Electric heating pipes are respectively laid inside the inner wall of the premixing cylinder (5) and the box body (3).

5. A fluid mixing and stirring device according to claim 1, characterized in that: A plurality of second feed openings (14) are provided on the top of the box body (3).

6. A fluid mixing and stirring device according to claim 1, characterized in that: A reinforcing inclined rod (11) is provided between the upper plate and the lower plate of the scraper (7) and the outer wall of the stirring shaft (12).

7. A fluid mixing and stirring device according to claim 1, characterized in that: The number of the premixing cylinders (5) is greater than or equal to three, and a support leg (1) is provided at the bottom of the premixing cylinder (5).

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