Dissolved air flotation self-cleaning device
The scraping ring driven by the servo motor and screw rod cleans up the inner wall of the dissolved air float equipment, and combines the T-shaped groove and sealing column to prevent debris from entering, solving the problem of sticking mud caused by the attachment of suspended objects after the equipment is shut down, ensuring the equipment normal up and running.
Patent Information
- Application Number
- CN202420943104.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-05
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-05
AI Technical Summary
After a long shutdown, the dissolved air float equipment will stick to internal mud due to the attachment of suspended objects, which will affect the secondary startup effect and need to clean up the internal attachments of the equipment.
Design a dissolved air float self-cleaning device, using the cooperation of the servo motor and the screw, the scraper ring moves forward under the limitation of the limit rod, slides and scrapes the attachments of the inner wall of the tube, and passes through the T-shaped groove and sealing. The column prevents debris from entering.
It effectively cleans up the attachments in the inner wall of the dissolved gas pipe, ensures the normal operation of the secondary start of the equipment, and prevents debris from entering.
Smart Images
Figure CN222250128U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of dissolved air flotation equipment, in particular to a dissolved air flotation self-cleaning device. Background Art
[0002] Dissolved air flotation equipment is mostly used in sewage treatment processes. In actual operation, the suspended matter in the sewage is too high or excessive dosage causes suspended matter in the return water, resulting in sludge inside the dissolved air flotation pipe. After a long shutdown, it will affect the secondary startup effect, so it is necessary to find a way to remove the attachments inside the dissolved air pipe.
[0003] To this end, the utility model provides a dissolved air flotation self-cleaning device to solve the above-mentioned problem. Through the cooperation between the servo motor and the screw, after the screw rotates, under the restriction of the limit rod, the scraper ring can move forward. During the sliding process with the inner wall of the tube body, the scraper ring can scrape off the attachments on the inner wall to achieve the cleaning effect. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a dissolved air flotation self-cleaning device to solve the above problems.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dissolved air flotation self-cleaning device, comprising a tube body, a cleaning component is arranged inside the tube body, a protective component is arranged on the outer wall of the tube body, the cleaning component comprises a flange, the flange is fixedly connected to the two ends of the tube body, a cross bracket is fixedly connected to the inner wall of the flange, a servo motor is fixedly installed inside the cross bracket, a screw rod is rotatably connected to one side of the cross bracket at the other end of the tube body, the other end of the screw rod is fixedly connected to the output shaft of the servo motor, a nut ring is threadedly connected to the outer wall of the screw rod, a connecting rod is fixedly connected to the outer wall of the nut ring, a scraper ring is fixedly connected to one end of the connecting rod, and the scraper ring is slidably connected to the inner wall of the tube body.
[0006] Furthermore, auxiliary rings are fixedly connected to both ends of the inner wall of the tube body, and a limiting rod is fixedly connected between the two auxiliary rings. The limiting rod passes through the scraper ring and is movably connected.
[0007] By adopting the above technical solution, the scraper ring is restricted to prevent its rotation.
[0008] Furthermore, an air inlet pipe and a T-shaped groove are fixedly connected to the outer wall of the tube body.
[0009] By adopting the above technical solution, the air inlet pipe is used to connect pressurized soda water to flush the inner wall of the air dissolving pipe and the air distribution plate, and the inside of the T-shaped groove is used to install various components to protect the air inlet pipe.
[0010] Furthermore, a blocking column is slidably connected to the inner wall of the air inlet pipe, a J-shaped slider is slidably connected to the inner wall of the T-shaped slot, and one end of the J-shaped slider and the blocking column are fixedly connected to an assembly rod.
[0011] By adopting the above technical solution, the blocking column can block the air intake pipe when it is not in use to prevent other debris from entering the interior of the pipe body through the air intake pipe.
[0012] Furthermore, a rectangular slope block is slidably connected to the inner wall of the T-shaped slot, a pull rod is fixedly connected to one side of the rectangular slope block, and the pull rod passes through one side wall of the T-shaped slot and is movably connected.
[0013] By adopting the above technical solution, it is mainly used to limit the J-shaped sliding block and prevent it from falling off.
[0014] Furthermore, a spring is fixedly connected to one side of the rectangular slope block, and the other end of the spring is fixedly connected to the inner wall of the T-shaped slot.
[0015] By adopting the above technical solution, it is mainly used to automatically reset the rectangular slope block.
[0016] Beneficial Effects
[0017] The utility model provides a dissolved air flotation self-cleaning device. Compared with the prior art, it has the following beneficial effects:
[0018] 1. This dissolved air flotation self-cleaning device, through the cooperation of the servo motor and the screw, after the screw rotates, under the restriction of the limit rod, the scraper ring can move forward, and the scraper ring can scrape off the attachments on the inner wall of the tube body during the sliding process with the inner wall of the tube body to achieve the cleaning effect.
[0019] 2. This dissolved air flotation self-cleaning device, through the cooperation of the T-slot and the blocking column, blocks the air inlet pipe when not in use to prevent other debris from entering the pipe body through the air inlet pipe. When the J-shaped slider is inserted, the rectangular slope block can limit it to prevent it from falling off. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0021] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;
[0022] Figure 2 It is a structural side view of the utility model;
[0023] Figure 3 It is an enlarged view of the structure of A of the utility model;
[0024] Figure 4 This is a structural diagram of the utility model after the tube body is removed;
[0025] Figure 5 It is a partial structural diagram of the utility model after the pipe body, T-shaped groove and air intake pipe are removed.
[0026] In the figure: 1. pipe body; 2. cleaning component; 21. flange; 22. cross bracket; 23. servo motor; 24. screw; 25. nut ring; 26. connecting rod; 27. scraper ring; 28. auxiliary ring; 29. limit rod; 3. protection component; 31. intake pipe; 32. T-slot; 33. assembly rod; 34. blocking column; 35. J-type slider; 36. rectangular ramp block; 37. pull rod; 38. spring. DETAILED DESCRIPTION
[0027] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.
[0028] The present application is further described in detail below through drawings and examples.
[0029] Reference Figures 1 to 5The embodiment of the present application provides a dissolved air flotation self-cleaning device, comprising a tube body 1, a cleaning assembly 2 is arranged inside the tube body 1, a protection assembly 3 is arranged on the outer wall of the tube body 1, the cleaning assembly 2 comprises a flange 21, the flange 21 is fixedly connected to both ends of the tube body 1, a cross bracket 22 is fixedly connected to the inner wall of the flange 21, a servo motor 23 is fixedly installed inside the cross bracket 22, a screw rod 24 is rotatably connected to one side of the cross bracket 22 at the other end of the tube body 1, the other end of the screw rod 24 is fixedly connected to the output shaft of the servo motor 23, a nut ring 25 is threadedly connected to the outer wall of the screw rod 24, a connecting rod 26 is fixedly connected to the outer wall of the nut ring 25, one end of the connecting rod 26 is fixedly connected to a scraper ring 27, and the scraper ring 27 is slidably connected to the inner wall of the tube body 1. Auxiliary rings 28 are fixedly connected to both ends of the inner wall of the tube body 1, and a limit rod 29 is fixedly connected between the two auxiliary rings 28, and the limit rod 29 passes through the scraper ring 27 and is movably connected.
[0030] During specific implementation: start the servo motor 23 and the screw rod 24 to cooperate with each other. After the screw rod 24 rotates, the scraper ring 27 can move forward under the restriction of the limit rod 29. The scraper ring 27 can scrape off the attachments on the inner wall of the tube body 1 during the sliding process with the inner wall to achieve a cleaning effect.
[0031] Reference Figures 1 to 5 In one aspect of the present embodiment, the outer wall of the tube body 1 is fixedly connected with an air inlet pipe 31 and a T-slot 32. The inner wall of the air inlet pipe 31 is slidably connected with a blocking column 34, and the inner wall of the T-slot 32 is slidably connected with a J-shaped slider 35, and one end of the J-shaped slider 35 and the blocking column 34 are fixedly connected with an assembly rod 33. The inner wall of the T-slot 32 is also slidably connected with a rectangular ramp block 36, and one side of the rectangular ramp block 36 is fixedly connected with a pull rod 37, and the pull rod 37 passes through one side wall of the T-slot 32 and is movably connected. One side of the rectangular ramp block 36 is fixedly connected with a spring 38, and the other end of the spring 38 is fixedly connected to the inner wall of the T-slot 32.
[0032] In specific implementation: when the air intake pipe 31 is not in use, the blocking column 34 is used to prevent other debris from entering the tube body 1 through the air intake pipe 31 to protect it; when the J-shaped slider 35 is inserted into the T-shaped slot 32, the J-shaped slider 35 will squeeze the rectangular slope block 36 open, and then the rectangular slope block 36 will reset under the action of the spring 38 to clamp the J-shaped slider 35 to prevent it from falling off, thereby preventing the blocking column 34 from falling off.
[0033] All electrical equipment in this solution are powered by an external power supply.
[0034] Working principle: Start the servo motor 23 and the screw rod 24 to cooperate with each other. After the screw rod 24 rotates, the scraper ring 27 can move forward under the restriction of the limit rod 29. The scraper ring 27 can scrape off the attachments on the inner wall of the tube body 1 during the sliding process with the inner wall of the tube body 1 to achieve a cleaning effect. When the air intake pipe 31 is not in use, the blocking column 34 is used to prevent other debris from entering the tube body 1 through the air intake pipe 31 to protect it. When the J-shaped slider 35 is inserted into the T-shaped slot 32, the J-shaped slider 35 will squeeze the rectangular slope block 36. Then, under the action of the spring 38, the rectangular slope block 36 will reset and the J-shaped slider 35 will be stuck to prevent it from falling off, thereby preventing the blocking column 34 from falling off.
[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0036] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A dissolved air flotation self-cleaning device, comprising a tube body (1), characterized in that: A cleaning component (2) is arranged inside the tube body (1), and a protection component (3) is arranged on the outer wall of the tube body (1). The cleaning component (2) comprises a flange (21), and the flange (21) is fixedly connected to both ends of the tube body (1). A cross bracket (22) is fixedly connected to the inner wall of the flange (21), and a servo motor (23) is fixedly installed inside the cross bracket (22). A screw rod (24) is rotatably connected to one side of the cross bracket (22) at the other end of the tube body (1), and the other end of the screw rod (24) is fixedly connected to the output shaft of the servo motor (23). A nut ring (25) is threadedly connected to the outer wall of the screw rod (24), and a connecting rod (26) is fixedly connected to the outer wall of the nut ring (25). One end of the connecting rod (26) is fixedly connected to a scraper ring (27), and the scraper ring (27) is slidably connected to the inner wall of the tube body (1).
2. A dissolved air flotation self-cleaning device according to claim 1, characterized in that: Auxiliary rings (28) are fixedly connected to both ends of the inner wall of the tube body (1), and a limiting rod (29) is fixedly connected between the two auxiliary rings (28). The limiting rod (29) passes through the scraper ring (27) and is movably connected.
3. A dissolved air flotation self-cleaning device according to claim 1, characterized in that: An air inlet pipe (31) and a T-shaped groove (32) are fixedly connected to the outer wall of the tube body (1).
4. A dissolved air flotation self-cleaning device according to claim 3, characterized in that: The inner wall of the air inlet pipe (31) is slidably connected to a blocking column (34), the inner wall of the T-shaped slot (32) is slidably connected to a J-shaped slider (35), and one end of the J-shaped slider (35) and the blocking column (34) are fixedly connected to an assembly rod (33).
5. A dissolved air flotation self-cleaning device according to claim 3, characterized in that: The inner wall of the T-shaped slot (32) is also slidably connected to a rectangular slope block (36), one side of the rectangular slope block (36) is fixedly connected to a pull rod (37), and the pull rod (37) passes through one side wall of the T-shaped slot (32) and is movably connected.
6. A dissolved air flotation self-cleaning device according to claim 5, characterized in that: A spring (38) is fixedly connected to one side of the rectangular slope block (36), and the other end of the spring (38) is fixedly connected to the inner wall of the T-shaped slot (32).