Sterile tank for stirring solid particles
By designing an inclined tank body and a stirring shaft with arc-shaped paddles, the problems of uneven stirring and high crushing rate of solid particulate materials in existing sterile tanks are solved, and efficient and uniform stirring and sterile effects are achieved.
Patent Information
- Application Number
- CN202422177252.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-09-05
AI Technical Summary
When the existing vertical sterile tanks stir solid particulate materials, the particle distribution is uneven and the crushing rate is high, which affects the product quality.
A sterile tank with an inclined tank body is designed, equipped with a through-spread agitating shaft. The side walls of the agitating shaft are connected to multiple supporting rods. Each supporting rod is connected to an arc-shaped blade at both ends. The mixing shaft is driven to rotate through a reducer and a motor to achieve efficient and uniform stirring.
Through the inclined tank body and specially designed arc-shaped paddles, the uniform distribution and stirring of materials are achieved, the crushing rate of solid particles is reduced, and the particle integrity rate is more than 98%, while the sterile effect is achieved.
Smart Images
Figure CN223010276U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a sterile tank for stirring solid particles. Background Art
[0002] Mixing equipment is a mechanical device that uses mechanical force and gravity, etc., to uniformly mix two (including the same kind but different batches) or more than two powders. In the pharmaceutical production industry, an important link is to mix the same kind of powders in different batches or powders of different varieties in a certain proportion, and the powder mixing equipment is an essential equipment in the process. Due to the particularity of the pharmaceutical industry, its mixing performance puts forward more and higher requirements for the equipment: the mixture has a high mixing uniformity, a fast mixing speed, less residue of materials in the container, simple equipment, firm and durable, convenient to operate, easy to inspect, sample and clean, the mechanical equipment should be rust-proof and corrosion-resistant, the surface of the container is smooth, and the working parts can be disassembled and cleaned; the motor equipment and the electric control device should be explosion-proof, moisture-proof and dust-proof, meeting the requirements of environmental protection and safe operation.
[0003] The existing sterile tank for filling materials uses a vertical sterile tank with stirring to fill materials. The vertical sterile tank has a small diameter and a high height, and the materials are all piled up at the bottom. Since the materials contain particles, the particle distribution is uneven during stirring, and the solid particles are easily broken by the stirring paddle, with a high breakage rate, which affects the quality of the product; therefore, in view of the above problems, a sterile tank for stirring solid particles is proposed. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a sterile tank for stirring solid particles to overcome the existing defects, efficiently stir materials, reduce the breakage rate, and achieve the sterile effect at the same time.
[0005] The technical solution to achieve the above purpose is: a sterile tank for stirring solid particles, including an inclined tank body, one end of the inclined tank body is provided with a penetrating stirring shaft, multiple support rods are connected to the side wall of the stirring shaft, and each end of each support rod is connected with a circular arc-shaped paddle; the left end of the stirring shaft is connected to the left side wall of the inclined tank body through a bottom support device; the right end of the stirring shaft is connected to a speed reducer through a coupling, and the speed reducer is connected to the output end of a motor; a feed port is arranged on the right side wall of the stirring shaft.
[0006] Preferably, a cleaning device is connected to each of the left and right side walls of the inclined tank body.
[0007] Preferably, the lower side wall of the inclined tank body is connected with legs, and the lower ends of the legs are connected with a weighing device.
[0008] Preferably, a manhole is arranged on the upper side wall of the inclined tank body.
[0009] Preferably, a heat preservation layer is arranged on the outer side wall of the inclined tank body.
[0010] The beneficial effects of the present utility model are as follows: For the sterile tank for stirring solid particles of the present utility model, by tilting the tank body, the area of uniform distribution of the materials is increased. At the same time, the arc-shaped blades with special shape dimensions are driven to rotate by the stirring shaft, so that the solid particle-containing materials entering the tank are quickly stirred evenly. Meanwhile, the arc-shaped blades stir the materials so that the materials will not sink and accumulate, and at the same time, the solid particles will not be broken, making the particle integrity rate reach more than 98%. It realizes the efficient stirring of the solid particle-containing materials evenly, reduces the breakage rate, and at the same time realizes the sterile effect. Description of the Drawings
[0011] Figure 1 is a cross-sectional view of the sterile tank for stirring solid particles of the present utility model;
[0012] Figure 2 is a side view of the sterile tank for stirring solid particles of the present utility model.
[0013] In the figure: 1. Tilted tank body; 2. Stirring shaft; 3. Support rod; 4. Arc-shaped blade; 5. Bottom support device; 6. Coupling; 7. Reducer; 8. Motor; 9. Feed inlet; 10. Cleaning device; 11. Leg; 12. Weighing device; 13. Manhole; 14. Thermal insulation layer. Detailed Embodiment
[0014] Next, the technical solutions of the present utility model will be described clearly and completely in conjunction with the drawings. In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0015] Next, the present utility model will be further described in conjunction with the drawings.
[0016] Such as Figure 1-2As shown in the figure, a sterile tank for stirring solid particles includes an inclined tank body 1. One end of the inclined tank body 1 is provided with a penetrating stirring shaft 2. Multiple support rods 3 are connected to the side wall of the stirring shaft 2. Each end of each support rod 3 is connected to an arc-shaped paddle 4; the left end of the stirring shaft 2 is connected to the left side wall of the inclined tank body 1 through a bottom support device 5; the bottom support device 5 can include a bearing and a support frame. The left end of the stirring shaft 2 is rotatably connected to the bearing, the bearing is connected to the support frame, and then the support frame is connected above the left side wall of the inclined tank body 1. The right end of the stirring shaft 2 is connected to a speed reducer 7 through a coupling 6, and the speed reducer 7 is connected to the output end of a motor 8; a feed inlet 9 is arranged on the right side wall of the stirring shaft 2.
[0017] This sterile tank for stirring solid particles has a clever structure, adjustable stirring speed. Parts such as the arc-shaped paddle 4 and the stirring shaft 2 that come into contact with the material are all mirror-polished, which is convenient for equipment cleaning. There are CIP cleaning balls at both ends, and the particle integrity rate reaches over 98%. The frame is of an overall welded structure, with good overall rigidity, small vibration. The part in contact with the material is made of S31603 stainless steel, which is hygienic and reliable, and convenient for maintenance. The mechanical seal adopts an integral sterilizable type, not easily contaminated by bacteria. The legs are equipped with a weighing device 12 to accurately detect the weight of the material in the tank.
[0018] Specifically, a cleaning device 10 is connected to each of the left and right side walls of the inclined tank body 1. The cleaning device 10 can include a high-pressure cleaning nozzle. The cleaning nozzle extends into the inclined tank body 1, and the other end is connected to a water source and a high-pressure water pump. Cleaning devices 10 are installed at both ends of the inclined tank body 1, making it convenient for equipment cleaning and hygiene.
[0019] Specifically, the lower side wall of the inclined tank body 1 is connected to legs 11, and the lower ends of the legs 11 are connected to a weighing device 12. The weighing device 12 can be a weighing body with an electronic display instrument, which is a commonly used device in the existing technology.
[0020] Specifically, a manhole 13 is arranged on the upper side wall of the inclined tank body 1. It is convenient for disassembly, installation and maintenance.
[0021] Specifically, a heat preservation layer 14 is arranged on the outer side wall of the inclined tank body 1.
[0022] Specifically, the part of the inner wall of the inclined tank body 1 in contact with the material is made of S31603 stainless steel, and the rest is made of S30408 stainless steel, which is hygienic and reliable, and convenient for maintenance and cleaning. The frame is of an overall welded structure. The shaft sleeve at the bottom support is made of PEEK material, which is heat-resistant and not easily worn. The mechanical seal adopts an integral sterilizable type, not easily contaminated by bacteria. The legs are equipped with a weighing device 12 to accurately detect the weight of the material in the tank.
[0023] Specifically, the sterile material with solid particles enters the tank through the feed inlet 9. The stirring shaft 2 is driven to rotate by the speed reducer 7. The stirring shaft 2 drives the arc-shaped blades 4 with special external dimensions to rotate, quickly stirring the material with solid particles entering the tank evenly. At the same time, the arc-shaped blades 4 stir the material so that the material will not sink and accumulate, and at the same time will not break the solid particles. The particle integrity rate reaches over 98%.
[0024] For this sterile tank for stirring solid particles, by tilting the tank body, the area of uniform distribution of the material is increased. At the same time, the stirring shaft drives the arc-shaped blades with special external dimensions to rotate, quickly stirring the material with solid particles entering the tank evenly. At the same time, the arc-shaped blades stir the material so that the material will not sink and accumulate, and at the same time will not break the solid particles, enabling the particle integrity rate to reach over 98%. It realizes the efficient stirring of the material containing solid particles evenly, reduces the breakage rate, and at the same time achieves the sterile effect.
[0025] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A sterile tank for stirring solid particles, characterized in that: The invention comprises an inclined tank body (1), one end of which is provided with a stirring shaft (2) passing through, a plurality of support rods (3) being connected to the side wall of the stirring shaft (2), and each of the two ends of the support rod (3) being connected to a circular arc-shaped paddle (4); the left end of the stirring shaft (2) is connected to the left side wall of the inclined tank body (1) via a bottom support device (5); the right end of the stirring shaft (2) is connected to a reducer (7) via a coupling (6), and the reducer (7) is connected to the output end of a motor (8); and a feed port (9) is provided on the right side wall of the stirring shaft (2).
2. The aseptic tank for stirring solid particles according to claim 1, characterized in that: The left and right side walls of the inclined tank body (1) are each connected to a cleaning device (10).
3. The aseptic tank for stirring solid particles according to claim 1, characterized in that: The lower side wall of the inclined tank body (1) is connected to a support leg (11), and the lower end of the support leg (11) is connected to a weighing device (12).
4. The aseptic tank for stirring solid particles according to claim 1, characterized in that: A manhole (13) is provided on the upper side wall of the inclined tank body (1).
5. The aseptic tank for stirring solid particles according to claim 1, characterized in that: The outer side wall of the inclined tank body (1) is provided with a heat-insulating layer (14).