A backwash type screen cleaner

Abstract

This utility model discloses a scraping structure for a backwashing bar screen cleaner, including a frame, a rotating belt, and a bar screen. The rotating belt is rotatably connected to the inside of the frame, and the bar screen is fixedly connected to the surface of the rotating belt. A first pulley is rotatably connected to the left side of the front of the frame, and a placement frame is fixedly connected to the left side of the frame. A motor is fixedly connected to the top of the placement frame, and a second pulley is fixedly connected to the output end of the motor. This utility model, through the coordinated use of the frame, rotating belt, bar screen, first pulley, placement frame, motor, second pulley, transmission belt, support, scraping structure, scraper hook, polished rod, and flushing device, solves the problem that bar screen blockage severely affects the sewage flow capacity, leading to a significant decrease in treatment efficiency. Furthermore, sewage that cannot pass smoothly through the bar screen accumulates in front of it, potentially causing serious problems such as sewage overflow.

Description

Technical Field

[0001] This utility model belongs to the field of water treatment technology, and in particular relates to a scraping structure of a backwash bar screen cleaner. Background Technology

[0002] A backwash bar screen is a key piece of equipment used in water treatment processes to intercept and remove suspended solids, floating objects, or solid debris from fluids. Its core function is to intercept impurities through mechanical bar screening and combine it with backwashing technology to achieve automatic cleaning of the bar, thereby ensuring continuous and efficient operation of the equipment. This device can be used in municipal sewage treatment, industrial wastewater treatment, rainwater harvesting and utilization, and water body treatment and ecological restoration. The backwash bar screen effectively intercepts larger solid impurities such as suspended solids, floating objects, and fibrous materials in sewage through the bar screen bars, preventing these impurities from entering subsequent treatment processes, thus protecting the normal operation of subsequent treatment equipment. When the impurities intercepted on the bar screen surface accumulate to a certain extent, the backwash bar screen will automatically activate the backwashing or scraping device to remove the impurities from the bar screen surface.

[0003] The problem with existing technology is that clogging of the screen will seriously affect the sewage's flow capacity, resulting in a significant decrease in treatment efficiency. Sewage that cannot pass through the screen smoothly will accumulate in front of the screen and may even cause serious problems such as sewage overflow. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a scraping structure for a backwash bar screen cleaner, which has the advantage of scraping away debris from the surface of the bar screen. This solves the problem that bar screen blockage can seriously affect the flow capacity of sewage, leading to a significant decrease in treatment efficiency. Sewage that cannot pass smoothly through the bar screen will accumulate in front of the bar screen and may even cause serious problems such as sewage overflow.

[0005] This utility model is implemented as follows: a scraping structure for a backwash bar screen cleaning machine includes a frame, a rotating belt, and a bar screen. The rotating belt is rotatably connected to the inside of the frame, and the bar screen is fixedly connected to the surface of the rotating belt. A first pulley is rotatably connected to the left side of the front side of the frame, and a placement frame is fixedly connected to the left side of the frame. A motor is fixedly connected to the top of the placement frame, and a second pulley is fixedly connected to the output end of the motor. A transmission belt is fitted onto the surfaces of the second pulley and the first pulley. A bracket is fixedly connected to the rear side of the frame, and the bracket extends to the top of the frame. A scraping structure is fixedly connected to the top of the bracket.

[0006] As a preferred embodiment of this utility model, the scraping structure includes an electric cylinder, a mounting plate, a lifting plate, and a scraper hook. The electric cylinder is fixedly connected to the top of the bracket, and the output end of the electric cylinder passes through and extends out of the bottom of the bracket. The mounting plate is fixedly connected to the output end of the electric cylinder. The lifting plate is fixedly connected to the bottom of the mounting plate by bolts. The scraper hook is fixedly connected to the bottom of the lifting plate. By setting up the scraping structure, debris on the grid can be cleaned, preventing debris from adhering to the grid surface for a long time.

[0007] As a preferred embodiment of this utility model, the number of scraper hooks is several, and they are fixedly connected to the bottom of the lifting plate at equal intervals. By setting the scraper hooks, the debris on the surface of the grid can be effectively scraped off, avoiding any debris from being missed.

[0008] As a preferred embodiment of this utility model, the surface of the grid is provided with scraper hooks, and the scraper hooks are located between two adjacent scraper hooks. By setting scraper hooks, the grid can hook out debris in the sewage, preventing the debris from floating in the sewage for a long time. The hooks can clean the hooked debris through the gap between the scraper hooks.

[0009] As a preferred embodiment of this utility model, the front and rear sides of the top of the frame are fixedly connected with light rods, and the light rods penetrate the surface of the lifting plate and are fixedly connected to the bottom of the bracket. The lifting plate is slidably connected to the surface of the light rods. By setting the light rods, the movement of the lifting plate can be guided, and the lifting plate can be prevented from tilting when moving.

[0010] As a preferred embodiment of this utility model, a flushing device is fixedly connected to the left side of the top of the bracket. The flushing device is located above the grid. By setting the flushing device, the grid after scraping can be rinsed, thereby washing away the fine attachments.

[0011] As a preferred embodiment of this utility model, the flushing device includes a water tank, an inlet, and an outlet pipe. The water tank is fixedly connected to the left side of the top of the support, the inlet is fixedly connected to the front side of the water tank, and the outlet pipe is fixedly connected to the bottom of the water tank. By setting up the flushing device, the scraped grid and scraper hook can be flushed to avoid the residue of the attached materials.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model solves the problem that grid blockage can seriously affect the sewage flow capacity, leading to a significant decrease in treatment efficiency. Furthermore, sewage that cannot pass smoothly through the grid will accumulate in front of the grid and may even cause sewage overflow.

[0014] 2. By setting up a scraping structure, this utility model can clean the debris on the grid and prevent the debris from adhering to the grid surface for a long time. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the bar screen cleaner from a first-view perspective, provided by an embodiment of this utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of the bar screen cleaner from a second perspective, provided in an embodiment of this utility model;

[0017] Figure 3 This is a three-dimensional schematic diagram of the scraping structure provided in an embodiment of the present utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the flushing device provided in an embodiment of the present utility model.

[0019] In the diagram: 1. Frame; 2. Rotating belt; 3. Grille; 4. First pulley; 5. Placement rack; 6. Motor; 7. Second pulley; 8. Transmission belt; 9. Bracket; 10. Scraping structure; 1001. Electric cylinder; 1002. Mounting plate; 1003. Lifting plate; 1004. Scraper hook; 11. Scraper hook; 12. Polished rod; 13. Flushing device; 1301. Water tank; 1302. Water inlet; 1303. Water outlet pipe. Detailed Implementation

[0020] To further understand the invention content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0021] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0022] like Figures 1 to 4 As shown in the figure, the scraping structure of the backwash bar screen cleaner provided in this embodiment of the utility model includes a frame 1, a rotating belt 2 and a bar screen 3. The rotating belt 2 is rotatably connected to the inside of the frame 1, and the bar screen 3 is fixedly connected to the surface of the rotating belt 2. A first pulley 4 is rotatably connected to the left side of the front side of the frame 1. A placement frame 5 is fixedly connected to the left side of the frame 1. A motor 6 is fixedly connected to the top of the placement frame 5. A second pulley 7 is fixedly connected to the output end of the motor 6. A transmission belt 8 is sleeved on the surface of the second pulley 7 and the first pulley 4. A bracket 9 is fixedly connected to the rear side of the frame 1 and extends to the top of the frame 1. A scraping structure 10 is fixedly connected to the top of the bracket 9.

[0023] refer to Figure 3The scraping structure 10 includes an electric cylinder 1001, a mounting plate 1002, a lifting plate 1003, and a scraper hook 1004. The electric cylinder 1001 is fixedly connected to the top of the bracket 9, and the output end of the electric cylinder 1001 passes through and extends out of the bottom of the bracket 9. The mounting plate 1002 is fixedly connected to the output end of the electric cylinder 1001. The lifting plate 1003 is fixedly connected to the bottom of the mounting plate 1002 by bolts. The scraper hook 1004 is fixedly connected to the bottom of the lifting plate 1003.

[0024] By adopting the above solution, by setting the scraping structure 10, the debris on the grid 3 can be cleaned, and the debris is prevented from adhering to the surface of the grid 3 for a long time.

[0025] refer to Figure 3 The number of scraper hooks 1004 is several, and they are fixedly connected to the bottom of the lifting plate 1003 at equal intervals.

[0026] By adopting the above solution, by setting the scraper hook 1004, the debris on the surface of the grille 3 can be effectively scraped off, avoiding any debris from being missed.

[0027] refer to Figure 1 The surface of the grid 3 is provided with scraper hooks 11, and the scraper hooks 1004 are located between two adjacent scraper hooks 11.

[0028] The above solution is adopted: by setting scraper hooks 11, the screen 3 can hook out the debris in the sewage, preventing the debris from floating in the sewage for a long time, and the hooks can clean the hooked debris through the gap between the scraper hooks 11.

[0029] refer to Figure 3 The front and rear sides of the top of the frame 1 are fixedly connected with light rods 12, and the light rods 12 penetrate the surface of the lifting plate 1003 and are fixedly connected to the bottom of the bracket 9. The lifting plate 1003 is slidably connected to the surface of the light rods 12.

[0030] The above solution is adopted: by setting up the light rod 12, the movement of the lifting plate 1003 can be guided, so as to avoid the lifting plate 1003 tilting when moving.

[0031] refer to Figure 4 A flushing device 13 is fixedly connected to the left side of the top of the bracket 9, and the flushing device 13 is located above the grille 3.

[0032] Using the above solution: by setting up a flushing device 13, the scraped grid 3 can be flushed, thereby washing away the fine deposits.

[0033] refer to Figure 4The flushing device 13 includes a water tank 1301, a water inlet 1302 and a water outlet 1303. The water tank 1301 is fixedly connected to the left side of the top of the bracket 9, the water inlet 1302 is fixedly connected to the front side of the water tank 1301, and the water outlet 1303 is fixedly connected to the bottom of the water tank 1301.

[0034] The above solution is adopted: by setting up a flushing device 13, the scraped grid 3 and scraper hook 11 can be flushed to avoid the residue of the attached material.

[0035] The working principle of this utility model:

[0036] In use, the motor 6 is started, which drives the second pulley 7 to rotate. The second pulley 7 drives the first pulley 4 to rotate via the transmission belt 8, which in turn drives the rotating belt 2 to rotate. When the rotating belt 2 rotates, it drives the screen 3 and the scraper hooks 11 on its surface to rotate, thereby cleaning the debris in the sewage. When there is too much attached material on the surface of the screen 3, the electric cylinder 1001 is started. The electric cylinder 1001 drives the lifting plate 1003 to descend via the mounting plate 1002. The lifting plate 1003 drives the scraper hooks 1004 to descend, thereby scraping and cleaning the attached material on the surface of the screen 3 and the scraper hooks 11 through the scraper hooks 1004. Then, the water in the water tank 1301 can be flushed and cleaned through the water outlet pipe 1303.

[0037] In summary, the scraping structure of this backwash bar screen cleaner, through the coordinated use of a frame 1, a rotating belt 2, a bar screen 3, a first pulley 4, a placement rack 5, a motor 6, a second pulley 7, a transmission belt 8, a bracket 9, a scraping structure 10, a scraper hook 11, a polished rod 12, and a flushing device 13, solves the problem that bar screen blockage severely affects the sewage's passage capacity, leading to a significant decrease in treatment efficiency. Furthermore, sewage that cannot pass smoothly through the bar screen will accumulate in front of it, potentially causing serious problems such as sewage overflow.

[0038] It should be noted that the motor and electric cylinder are existing devices or equipment, or devices or equipment that can be implemented with existing technology, and the specific composition and principle of the power supply of the motor and electric cylinder are clear to those skilled in the art, so they will not be described in detail.

[0039] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A scraping structure of a backwash screen cleaner, comprising a frame (1), a rotating belt (2) and a screen (3), characterized in that: The rotating belt (2) is rotatably connected to the inside of the frame (1), the grid (3) is fixedly connected to the surface of the rotating belt (2), the first pulley (4) is rotatably connected to the left side of the front side of the frame (1), the placement rack (5) is fixedly connected to the left side of the frame (1), the top of the placement rack (5) is fixedly connected to the motor (6), the output end of the motor (6) is fixedly connected to the second pulley (7), the surfaces of the second pulley (7) and the first pulley (4) are fitted with a transmission belt (8), the rear side of the frame (1) is fixedly connected to the bracket (9), and the bracket (9) extends to the top of the frame (1), the top of the bracket (9) is fixedly connected to the scraping structure (10).

2. A backwash strainer of the type defined in claim 1, wherein: The scraping structure (10) includes an electric cylinder (1001), a mounting plate (1002), a lifting plate (1003), and a scraper hook (1004). The electric cylinder (1001) is fixedly connected to the top of the bracket (9), and the output end of the electric cylinder (1001) passes through and extends out of the bottom of the bracket (9). The mounting plate (1002) is fixedly connected to the output end of the electric cylinder (1001). The lifting plate (1003) is fixedly connected to the bottom of the mounting plate (1002) by bolts. The scraper hook (1004) is fixedly connected to the bottom of the lifting plate (1003).

3. A backwash strainer of the type defined in claim 2, wherein: The number of scraper hooks (1004) is several, and they are fixedly connected to the bottom of the lifting plate (1003) at equal intervals.

4. A backwash strainer of the type defined in claim 2, wherein: The surface of the grid (3) is provided with scraper hooks (11), and the scraper hooks (1004) are located between two adjacent scraper hooks (11).

5. A backwash strainer of the type defined in claim 2, wherein: The front and rear sides of the top of the frame (1) are fixedly connected with light rods (12), and the light rods (12) penetrate the surface of the lifting plate (1003) and are fixedly connected to the bottom of the bracket (9). The lifting plate (1003) is slidably connected to the surface of the light rods (12).

6. A backwash strainer of the type defined in claim 1, wherein: A flushing device (13) is fixedly connected to the left side of the top of the bracket (9), and the flushing device (13) is located above the grid (3).

7. A backwash straining screen according to claim 6 wherein: The flushing device (13) includes a water tank (1301), a water inlet (1302), and a water outlet (1303). The water tank (1301) is fixedly connected to the left side of the top of the bracket (9), the water inlet (1302) is fixedly connected to the front side of the water tank (1301), and the water outlet (1303) is fixedly connected to the bottom of the water tank (1301).

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