Obstacle-avoiding spray head mechanism for tank body cleaning
By designing a cleaning nozzle with a fixed cylinder and a rotating part, combined with an obstacle avoidance protection unit, the problem of interference between the three-dimensional rotating nozzle and accessories inside the fermenter was solved, achieving all-round cleaning of the tank and improving safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-03-20
AI Technical Summary
Existing three-dimensional rotating nozzles are prone to interference with internal accessories when cleaning fermentation tanks, leading to cleaning failures and safety hazards.
A cleaning nozzle comprising a fixed cylinder and a rotating part is designed, equipped with an obstacle avoidance protection unit. The nozzle is driven to slide vertically through an external pipeline, and a rotatable nozzle structure is provided on the rotating part. At the same time, a protective part is provided to avoid interference from accessories.
It enables the nozzle to move safely and smoothly within the tank and to perform all-around cleaning, improving cleaning efficiency and safety, and avoiding the impact of accessories on the cleaning process.
Smart Images

Figure CN224010742U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of tank cleaning, and particularly relates to an obstacle-avoiding spray head mechanism for tank cleaning. BACKGROUND
[0002] With the development of industry, various materials and raw materials are mined, transported and refined, and tank bodies are inevitably used in the transportation and refining process. After being used for transportation and refining, the tank bodies have residual liquid inside, which affects the next use of the tank bodies if the tank bodies are not cleaned. Therefore, the tank bodies need to be cleaned after being used for transportation and fermentation refining. Three-dimensional rotating spray heads are usually used for cleaning tank equipment.
[0003] In the prior art, the nozzle of the three-dimensional rotating spray head protrudes from the spray head body. During the cleaning of the fermentation tank, the fermentation tank has stirring blades, heat exchange coil bundles and stirring shaft intermediate bearing supports, and even some tanks have maintenance platforms and other accessories. These accessories form obstacles for the three-dimensional rotating spray head, which prevents the three-dimensional rotating spray head from moving up and down, and the spray head body is easily interfered with the obstacles, which prevents the spray head from moving smoothly, causes the cleaning process to fail, and even causes safety accidents and hidden dangers, and has poor practicability. SUMMARY
[0004] The utility model provides an obstacle-avoiding spray head mechanism for tank cleaning, which can solve the problem of obstacles caused by accessories in the fermentation tank in the prior art, which causes the cleaning process to fail and has hidden dangers.
[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing an obstacle-avoiding spray head mechanism for tank cleaning, which comprises:
[0006] The cleaning spray head has a fixed cylinder connected with an external pipeline and a rotating part rotatably connected with the fixed cylinder. The rotating part is provided with a spray head structure that can rotate with the rotating part.
[0007] The obstacle-avoiding protection unit is connected with the cleaning spray head, and the obstacle-avoiding protection unit has a protection part surrounding the spray head structure.
[0008] In a possible implementation, the obstacle-avoiding protection unit comprises:
[0009] The fixed ring is sleeved on the fixed cylinder.
[0010] The arc-shaped rods are provided in multiple numbers, and each arc-shaped rod is annularly and spacedly arranged around the central axis of the fixed ring. One end of each arc-shaped rod is connected with the fixed ring, and the other end of each arc-shaped rod is integrally connected. The arc-shaped rods surround to form the protection part.
[0011] In a possible implementation, the cross section of each of the arc-shaped rods is circular.
[0012] In a possible implementation, a bearing is arranged between the fixing ring and the fixing cylinder.
[0013] In a possible implementation, the connecting point of the other end of each of the arc-shaped rods after connection is located on the central axis of the fixing cylinder.
[0014] In a possible implementation, the protection part is olive-shaped.
[0015] The barrier protection unit provided by the utility model has the beneficial effects that compared with the prior art, the cleaning nozzle has a fixing cylinder and a rotating part, the fixing cylinder is connected with an external pipeline, so that the external pipeline can drive the cleaning nozzle to slide in the vertical direction in the tank. The rotating part is rotationally connected with the fixing cylinder, and the nozzle structure is arranged on the rotating part and can rotate with the rotating part, so that the nozzle structure can rotate in the process of cleaning the tank to complete cleaning of each part of the tank and ensure the cleaning effect. Meanwhile, the barrier protection unit connected with the cleaning nozzle is also arranged, the barrier protection unit has a protection part surrounding the nozzle structure, so that the barrier protection unit can protect the cleaning nozzle in the process of cleaning the tank by the cleaning nozzle, avoids accessories such as stirring blades, heat exchange coil bundles and intermediate bearing supports of the stirring shaft in the tank from affecting the cleaning process of the cleaning nozzle, ensures safe and smooth completion of cleaning, improves the safety of the cleaning process and enhances practicability. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structure diagram of the barrier protection unit for tank cleaning provided by the utility model embodiment Figure 1
[0017] Figure 2 A structure diagram of the barrier protection unit for tank cleaning provided by the utility model embodiment Figure 2
[0018] Figure 3 A structure diagram of the barrier protection unit for tank cleaning provided by the utility model embodiment Figure 3
[0019] BRIEF DESCRIPTION OF DRAWINGS
[0020] 10, cleaning nozzle; 11, fixing cylinder; 12, rotating part; 13, nozzle structure; 20, barrier protection unit; 21, fixing ring; 22, arc-shaped rod; 30, first gear; 40, second gear. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0022] It should be noted that the terms "length", "width", "height", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0023] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "fixing", "setting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.
[0024] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In addition, the meaning of "multiple", "several" is two or more, unless otherwise explicitly specified and limited.
[0025] Please refer to Figures 1 to 3 , now a kind of for tank body cleaning's barrier spray head mechanism provided by the utility model will be described. The kind for tank body cleaning's barrier spray head mechanism, including cleaning spray head 10 and barrier protection unit 20. Cleaning spray head 10 has fixed cylinder portion 11 connected with external pipeline, still has rotating portion 12 rotationally connected with fixed cylinder portion 11. Rotating portion 12 is provided with spray head structure 13 rotatable with rotating portion 12. Barrier protection unit 20 is connected with cleaning spray head 10, barrier protection unit 20 has the protection portion around the periphery of spray head structure 13.
[0026] In the embodiment, the cleaning nozzle 10 has a fixed cylinder part 11 connected with an external pipeline, the external pipeline can drive the cleaning nozzle 10 to move up and down. The rotating part 12 is rotationally connected with the fixed cylinder part 11, and the nozzle structure 13 is arranged on the rotating part 12, so that the rotating part 12 can drive the nozzle structure 13 to rotate. The barrier protection unit 20 is connected with the cleaning nozzle 10, and the barrier protection unit 20 has a protection part surrounding the nozzle structure 13, so that in the process of cleaning the tank body by the cleaning nozzle 10, the barrier protection unit 20 can protect the cleaning nozzle 10, avoid the influence of accessories such as stirring blades, heat exchange coil bundles and intermediate bearing supports of the stirring shaft in the tank body on the cleaning process of the cleaning nozzle 10, and ensure the safe and smooth completion of the cleaning.
[0027] It should be noted that the tank body is provided with a mounting ring, the external pipeline penetrates the mounting ring, and the external pipeline is arranged in the tank body in the vertical direction. The mounting ring and the external pipeline are both of the prior art.
[0028] Compared with the prior art, the cleaning nozzle 10 has the fixed cylinder part 11 and the rotating part 12, the fixed cylinder part 11 is connected with the external pipeline, so that the external pipeline can drive the cleaning nozzle 10 to slide in the vertical direction in the tank body. The rotating part 12 is rotationally connected with the fixed cylinder part 11, and the nozzle structure 13 which can rotate with the rotating part 12 is arranged on the rotating part 12, so that in the process of cleaning the tank body, the nozzle structure 13 can rotate to complete the cleaning of each part of the tank body, and the cleaning effect is ensured. Meanwhile, the barrier protection unit 20 connected with the cleaning nozzle 10 is arranged, the barrier protection unit 20 has a protection part surrounding the nozzle structure 13, so that in the process of cleaning the tank body by the cleaning nozzle 10, the barrier protection unit 20 can protect the cleaning nozzle 10, avoid the influence of accessories such as stirring blades, heat exchange coil bundles and intermediate bearing supports of the stirring shaft in the tank body on the cleaning process of the cleaning nozzle 10, ensure the safe and smooth completion of the cleaning, improve the safety of the cleaning process, and enhance the practicability.
[0029] Preferably, the rotating part 12 is a cylindrical structure, and the rotating part 12 drives the nozzle structure 13 to rotate around the central axis of the rotating part 12. The nozzle structure 13 can also rotate, and the direction of the rotation of the nozzle structure 13 is perpendicular to the central axis of the rotating part 12.
[0030] In some embodiments, please refer to Figures 1 to 3The barrier protection unit 20 comprises a fixed ring 21 and arc-shaped rods 22. The fixed ring 21 is sleeved on the fixed cylinder portion 11. The arc-shaped rods 22 are provided in a plurality of numbers and are annularly and spacedly arranged around the central axis of the fixed ring 21. One end of each arc-shaped rod 22 is connected with the fixed ring 21, and the other end of each arc-shaped rod 22 is integrally connected. The arc-shaped rods 22 enclose a protection portion. In this embodiment, the fixed ring 21 is sleeved on the fixed cylinder portion 11, the arc-shaped rods 22 are annularly and spacedly arranged around the central axis of the fixed ring 21, one end of each arc-shaped rod 22 is connected with the fixed ring 21, and the other end of each arc-shaped rod 22 is integrally connected, so that the arc-shaped rods 22 enclose the protection portion to protect the cleaning nozzle 10. The barrier protection unit 20 is suitable for cleaning a tank body with a complex internal structure and improves the cleaning efficiency and equipment utilization rate.
[0031] In some embodiments, referring to Figures 1 to 3 The cross section of each arc-shaped rod 22 is circular.
[0032] In some embodiments, referring to Figure 1 A bearing is arranged between the fixed ring 21 and the fixed cylinder portion 11. In this embodiment, the arc-shaped rods 22 are arranged around the outer periphery of the cleaning nozzle 10. In the process of spraying water by the nozzle structure 13 to clean the tank body, the nozzle structure 13 rotates with the rotating portion 12. When the water sprayed by the nozzle structure 13 hits the arc-shaped rods 22, the fixed ring 21 drives the arc-shaped rods 22 to rotate, so that the arc-shaped rods 22 do not block the water, and the nozzle structure 13 can clean all parts of the tank body. Preferably, the bearing can be a thrust bearing. The thrust bearing is specially designed to bear axial load. The thrust bearing has the advantages of high efficiency in bearing axial load, compact structure, high rigidity, low friction, long service life, etc. and is widely used in mechanical equipment that needs to bear axial force. It is an indispensable key component in industrial equipment.
[0033] In some embodiments, referring to Figures 1 to 3 The connecting point of the other end of each arc-shaped rod 22 is located on the central axis of the fixed cylinder portion 11 after connection, so as to ensure the structural stability of the protection portion and avoid deformation due to uneven stress. Preferably, the arc-shaped rods 22 and the fixed ring 21 are adopted to design a compact structure, which is easy to manufacture and maintain.
[0034] In some embodiments, referring to Figures 1 to 3 The protection portion is in the shape of an olive, which can adapt to the complex structure inside the tank body and ensure that the nozzle structure 13 can rotate smoothly.
[0035] In some embodiments, referring to Figure 2The cleaning spray head 10 further comprises a rotating driving assembly for driving the rotating part 12 to rotate. The rotating driving assembly comprises a driver, a first gear 30 and a second gear 40. The driver is arranged in the fixed cylinder part 11, and the driver has a power output end. The first gear 30 is connected with the power output end of the driver, and the first gear 30 rotates around the central axis of the rotating part 12. The second gear 40 is engaged with the first gear 30, and the second gear 40 is connected with the rotating part 12. When the driver is started, the driver drives the first gear 30 to rotate, the second gear 40 is engaged with the first gear 30, and the second gear 40 is connected with the rotating part 12, so that the second gear 40 drives the rotating part 12 to rotate. The central axis of the second gear 40 is arranged perpendicularly to the central axis of the first gear 30. Specifically, other structures of the cleaning spray head 10 can adopt the prior art, and will not be described in detail here.
[0036] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An obstacle avoidance nozzle mechanism for tank cleaning, characterized in that, include: A cleaning nozzle has a fixed cylindrical part connected to an external pipeline and a rotating part rotatably connected to the fixed cylindrical part; the rotating part is provided with a nozzle structure that can rotate with the rotating part. An obstacle avoidance protection unit is connected to the cleaning nozzle, and the obstacle avoidance protection unit has a protective part surrounding the outer periphery of the nozzle structure.
2. The obstacle avoidance nozzle mechanism for tank cleaning as described in claim 1, characterized in that, The obstacle avoidance protection unit includes: A retaining ring is fitted onto the retaining cylindrical portion; Multiple arc-shaped rods are provided, and each arc-shaped rod is arranged circumferentially around the central axis of the fixing ring. One end of each arc-shaped rod is connected to the fixing ring, and the other end of each arc-shaped rod is integrally connected; the arc-shaped rods together form the protective part.
3. The obstacle avoidance nozzle mechanism for tank cleaning as described in claim 2, characterized in that, The cross-section of each of the aforementioned arc-shaped rods is circular.
4. The obstacle avoidance nozzle mechanism for tank cleaning as described in claim 3, characterized in that, A bearing is provided between the fixing ring and the fixing cylinder.
5. The obstacle avoidance nozzle mechanism for tank cleaning as described in claim 2, characterized in that, The connection point of the other end of each of the arc-shaped rods is located on the central axis of the fixed cylinder.
6. The obstacle avoidance nozzle mechanism for tank cleaning as described in any one of claims 1-5, characterized in that, The protective part is olive-shaped.