Self-cleaning sewage grid

Abstract

The utility model relates to a sewage grid, and provides a self-cleaning sewage grid. Comprising a barrel, a top cover, a waste liquid inlet pipe, a water inlet pipe and a connecting pipe, a top cover is arranged on the upper portion of the barrel, a section of deslagging outlet is formed between an upper port of the barrel and the lower portion of the top cover, a waste liquid inlet pipe is connected to one side of the lower portion of the barrel and communicated with the inner space of the barrel, a water inlet pipe penetrates through the top cover, and a connecting pipe is arranged on the lower portion of the water inlet pipe. According to the utility model, the cylindrical grid and the spiral strip are combined, so that the transmission efficiency and the treatment capacity of the trash are obviously improved, the trash is gradually pushed to the top from the bottom of the cylinder body through the rotary motion of the spiral strip and is discharged through the slag discharge outlet, and the trash is ensured to effectively move in the equipment; according to the utility model, impurities are prevented from being accumulated in the cylinder body, smooth operation of equipment is ensured, the risk of blockage is reduced, the manual maintenance frequency is reduced, and the overall working efficiency and stability of the system are improved at the same time.

Description

Technical Field

[0001] This utility model relates to a sewage bar, and more particularly to a self-cleaning sewage bar. Background Technology

[0002] With the acceleration of urbanization and the continuous development of industrial production, sewage treatment has become a key link in environmental protection. Sewage screens, as a commonly used pretreatment device, are used to intercept and remove large particulate suspended solids, floating objects and debris in sewage to prevent these substances from entering the subsequent treatment system, thereby protecting water pumps, pipelines and other treatment facilities from blockage and damage.

[0003] Existing wastewater screens generally suffer from low cleaning efficiency and high maintenance costs. Over time, a large amount of dirt and debris easily accumulates on the screen surface, leading to a gradual decline in filtration efficiency, or even complete failure. Traditional manual or semi-automatic cleaning methods are not only time-consuming and labor-intensive, but can also cause equipment damage or secondary pollution due to improper operation. Furthermore, periodic shutdowns for manual cleaning severely impact the continuity and stability of the wastewater treatment system, increasing overall operating costs. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a self-cleaning sewage bar.

[0005] The technical solution of this utility model is as follows: A self-cleaning sewage grille includes a cylindrical body, a top cover, a waste liquid inlet pipe, a water inlet pipe, a connecting pipe, a water outlet pipe, a cylindrical grille, spiral bars, a toothed ring, and a transmission component. The top cover is located on the upper part of the cylindrical body, and a sludge discharge outlet exists between the upper end of the cylindrical body and the lower part of the top cover. A waste liquid inlet pipe is connected to one side of the lower part of the cylindrical body, communicating with the internal space of the cylindrical body. A water inlet pipe passes through the top cover, and a connecting pipe is located below the water inlet pipe. Several water outlet pipes are spaced apart on the outer wall of the connecting pipe. A cylindrical grille is vertically arranged inside the cylindrical body. The grid has an open lower part and is rotatably connected to the cylinder. There is an annular gap between the inner wall of the cylinder and the outer side of the grid. The liquid introduced by the waste liquid inlet pipe flows into the annular gap. The outer side of the grid is provided with spiral strips, one edge of which contacts the inner wall of the cylinder. The lower outer side of the annular grid is provided with a toothed ring. The lower part of the cylinder is provided with a transmission component, which consists of a drive motor and a gear. The gear of the transmission component meshes with the toothed ring, and the transmission component drives the toothed ring to rotate, thereby driving the grid to rotate within the cylinder.

[0006] Optionally, it also includes a cover, a slag discharge pipe and a flushing pipe. The upper part of the cylinder is provided with a cover that surrounds the slag discharge outlet and the top cover seals the upper part of the cover. A slag discharge pipe is provided on one side of the cover, and a flushing pipe is provided on the side of the cover away from the slag discharge pipe. Both the flushing pipe and the slag discharge pipe are connected to the internal space of the cover.

[0007] Optionally, it also includes a vibration module, which is provided at the bottom of the cylinder.

[0008] Optionally, it also includes a filter screen, with a filter screen provided at the lower opening of the cylindrical grid, and the filter screen is funnel-shaped.

[0009] Optionally, it also includes a drain pipe and a slag pump. The drain pipe is located at the bottom of the filter screen and is connected to the internal space of the filter screen. The slag pump is located at the bottom of the drain pipe.

[0010] Beneficial effects: This utility model, by combining the design of a cylindrical grid with a spiral bar, significantly improves the transmission efficiency and processing capacity of dirt and grime. The spiral bar, through its rotational motion, gradually pushes dirt and grime from the bottom of the cylinder to the top and discharges it through the slag outlet, ensuring the effective movement of dirt and grime inside the equipment. This not only avoids the accumulation of dirt and grime inside the cylinder but also ensures the smooth operation of the equipment, reduces the risk of blockage, reduces the frequency of manual maintenance, and improves the overall working efficiency and stability of the system.

[0011] This invention, by installing a vibration module at the bottom of the cylinder, generates periodic mechanical vibrations when the grid is in use. This helps to remove dirt from the outside of the cylindrical grid, prevents dirt from accumulating on the grid, and accelerates the accumulation and discharge of dirt, thus ensuring the long-term stable operation of the equipment.

[0012] This invention further filters wastewater by setting a funnel-shaped filter screen at the bottom of the cylindrical grid, improving the cleanliness of the liquid. The slag discharge structure allows the mixed liquid collected at the bottom of the filter screen to be discharged externally, ensuring the cleanliness of the equipment's interior and eliminating the need for manual cleaning. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0014] Figure 2 This is a three-dimensional structural diagram of the present invention with the mask and filter removed.

[0015] Figure 3 This is a cross-sectional view of some components of this utility model.

[0016] Figure 4 This is a three-dimensional structural diagram of the components of this utility model, including the top cover, waste liquid inlet pipe, and water inlet pipe.

[0017] Figure 5 This is a three-dimensional structural diagram of the components of this utility model, including the cylindrical grille, filter screen, and slag discharge pump.

[0018] Figure 6 This is a three-dimensional structural diagram of the shield of this utility model.

[0019] The components in the attached diagram are labeled as follows: 1-Cylinder, 2-Top cover, 21-Waste liquid inlet pipe, 22-Slag discharge outlet, 3-Water inlet pipe, 41-Connecting pipe, 42-Water outlet pipe, 5-Cylindrical grid, 51-Spiral strip, 52-Gear ring, 53-Transmission component, 6-Shield, 61-Slag discharge pipe, 62-Flushing outlet pipe, 7-Vibration module, 8-Filter screen, 81-Drainage pipe, 9-Slag discharge pump. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] A self-cleaning sewage bar, such as Figure 1-5 As shown, the system includes a cylinder 1, a top cover 2, a waste liquid inlet pipe 21, a water inlet pipe 3, a connecting pipe 41, a water outlet pipe 42, a cylindrical grille 5, a spiral strip 51, a toothed ring 52, and a transmission component 53. Specifically, the top cover 2 is detachably mounted on the upper part of the cylinder 1. The top cover 2 is connected to the cylinder 1 by bolts or clips. This detachable design ensures convenient inspection and cleaning of the internal components of the cylinder 1. A slag discharge outlet 22 exists between the upper end of the cylinder 1 and the lower part of the top cover 2. This slag discharge outlet 22 allows impurities to be discharged smoothly during equipment operation, preventing blockage and secondary pollution. A cylindrical grille 5 is vertically mounted inside the cylinder 1. This design allows the cylindrical grille 5 to effectively filter impurities in the liquid without affecting its rotation. The cylindrical grille 5 is rotatably connected to the cylinder 1 by bearings, ensuring smooth rotation and low friction.

[0023] A waste liquid inlet pipe 21 is connected to the lower side of the cylinder 1. The waste liquid inlet pipe 21 communicates with the internal space of the cylinder 1 and is used to introduce the waste liquid to be treated. There is an annular gap between the inner wall of the cylinder 1 and the outer side of the cylindrical grid 5. The liquid introduced by the waste liquid inlet pipe 21 will flow into this annular gap. The outer side of the cylindrical grid 5 is provided with a spiral strip 51. One edge of the spiral strip 51 contacts the inner wall of the cylinder 1, ensuring that it can gradually transfer the dirt from the bottom to the top when rotating, and discharge it through the slag outlet 22. The existence of the annular gap not only increases the flow path of the liquid, but also provides sufficient operating space for the spiral strip 51, enabling it to efficiently push the dirt upward. The position design of the waste liquid inlet pipe 21 makes the incoming liquid first flow into the annular gap between the inner wall of the cylinder 1 and the outer side of the cylindrical grid 5, and then enter its interior through the cylindrical grid 5.

[0024] A water inlet pipe 3 is installed on the top cover 2, passing through the center of the top cover 2 and extending into the interior of the cylinder 1. A connecting pipe 41 is provided at the lower part of the water inlet pipe 3. Several water outlet pipes 42 are arranged at intervals on the outer wall of the connecting pipe 41. These water outlet pipes 42 are evenly distributed on the connecting pipe 41. The water inlet pipe 3 is connected to external cleaning liquid. The cleaning liquid is discharged from the water outlet pipes 42 after passing through the connecting pipe 41, ensuring that clean water can be evenly sprayed into the interior of the cylindrical grid 5 to help clean impurities attached to the outer wall of the cylindrical grid 5.

[0025] The spiral bar 51 ensures the continuous transmission of impurities without causing excessive compression, thus avoiding the risk of blockage. The lower part of the cylindrical grid 5 is open, and the liquid entering the cylindrical grid 5 will be discharged from its lower port. The upper and lower ports of the cylindrical body are closed sections without openings.

[0026] A toothed ring 52 is provided on the lower outer side of the cylindrical grid 5, and a transmission component 53 is provided in the lower part of the cylindrical body 1. The transmission component 53 consists of a drive motor and a gear. The gear of the transmission component 53 meshes with the toothed ring 52. The drive motor drives the gear to rotate, thereby making the toothed ring 52 and the cylindrical grid 5 rotate synchronously. This transmission method ensures the stable rotation of the cylindrical grid 5.

[0027] Among them, such as Figure 1 and Figure 6 As shown, the system also includes a shield 6, a slag discharge pipe 61, and a flushing outlet pipe 62. Specifically, a shield 6 is provided on the upper part of the cylinder 1, which surrounds the slag discharge outlet 22, and the top cover 2 seals the upper part of the shield 6, thereby forming a closed space at the slag discharge outlet 22 between the top cover 2 and the cylinder 1. This design ensures that impurities will not overflow or scatter during the discharge process, improving the cleanliness and safety of the equipment. A slag discharge pipe 61 is provided on one side of the shield 6 to smoothly discharge the impurities pushed to the top by the spiral strip 51. The position of the slag discharge pipe 61 is reasonably designed to ensure that impurities can flow smoothly from the shield 6. The internal space is drained to avoid blockage; a flushing pipe 62 is provided on the side of the shield 6 away from the slag discharge pipe 61. Both the flushing pipe 62 and the slag discharge pipe 61 are connected to the internal space of the shield 6 and are arranged opposite to each other. The function of the flushing pipe 62 is to intermittently provide high-pressure water flow to assist in the discharge of slag during the discharge process and speed up the discharge efficiency of the slag discharge pipe 61. Since the upper part of the cylindrical grid 5 is a closed section without openings, when the flushing pipe 62 discharges high-pressure liquid to assist in the discharge of slag inside the shield 6, the flushing liquid will not flow into the cylindrical grid. This ensures that the dirt inside the shield 6 can be effectively cleaned every time slag is discharged.

[0028] Example 2

[0029] Based on Example 1, such as Figure 1As shown, it also includes a vibration module 7. The lower part of the cylinder 1 is provided with a vibration module 7. The vibration module 7 is installed at the bottom of the cylinder 1 by bolts or other fixing methods and is in indirect contact with the cylindrical grid 5 and its internal components. The function of the vibration module 7 is to generate periodic mechanical vibration to help the impurities in the liquid fall off from the outside of the cylindrical grid 5, reduce adhesion, and further improve the transfer efficiency of impurities.

[0030] like Figure 1 and Figure 5 As shown, it also includes a filter screen 8. The filter screen 8 is installed at the lower opening of the cylindrical grille 5. The filter screen 8 is funnel-shaped. The purpose of setting the filter screen 8 is to further filter the mixed liquid entering the cylindrical grille 5 and improve the cleanliness of the liquid. The cylindrical filter screen 8 is fixed to the lower opening of the cylindrical grille 5 by welding or snap-fitting to ensure its stable installation. The particulate impurities in the liquid are blocked by the filter screen 8, and the liquid continues to flow down through the filter screen 8. The funnel-shaped design allows the liquid to be evenly distributed on the filter screen 8, and allows the impurities mixed in the liquid to gradually accumulate in the lower inner part of the filter screen 8 under the action of gravity.

[0031] Among them, such as Figure 1 and Figure 5 As shown, it also includes a drain pipe 81 and a slag pump 9. The drain pipe 81 is located at the bottom of the filter screen 8 and is connected to the internal space of the filter screen 8. The slag pump 9 is located at the bottom of the drain pipe 81. As the impurities mixed in the liquid gradually accumulate at the bottom of the filter screen 8 with the assistance of the funnel-shaped filter screen 8 and the vibration module 7, the slag pump 9 can efficiently discharge the liquid containing impurities to the outside of the equipment after starting, ensuring the cleanliness of the inside of the equipment without the need for manual cleaning.

[0032] Although the present invention has been described with reference to exemplary embodiments, it should be understood that the present invention is not limited to the disclosed exemplary embodiments. The scope of the following claims should be given the broadest interpretation in order to cover all variations and equivalent structures and functions.

Claims

1. A self-cleaning sewage screen, comprising a cylindrical body (1); Its features are: It also includes a top cover (2), a waste liquid inlet pipe (21), a water inlet pipe (3), a connecting pipe (41), a water outlet pipe (42), a cylindrical grid (5), a spiral strip (51), a toothed ring (52), and a transmission component (53). The top cover (2) is provided on the upper part of the cylinder (1). There is a slag discharge outlet (22) between the upper end of the cylinder (1) and the lower part of the top cover (2). The waste liquid inlet pipe (21) is connected to one side of the lower part of the cylinder (1). The waste liquid inlet pipe (21) is connected to the internal space of the cylinder (1). The water inlet pipe (3) is provided on the top cover (2). The connecting pipe (41) is provided at the lower part of the water inlet pipe (3). Several water outlet pipes (42) are arranged at intervals on the outer wall of the connecting pipe (41). A cylindrical grid (5) is vertically arranged inside the cylinder (1). The lower part of the cylindrical grid (5) is open. The cylindrical grid (5) is rotatably connected to the cylindrical body (1). There is an annular gap between the inner wall of the cylindrical body (1) and the outer side of the cylindrical grid (5). The liquid introduced by the waste liquid inlet pipe (21) will flow into the annular gap. The outer side of the cylindrical grid (5) is provided with a spiral strip (51). One side of the edge of the spiral strip (51) is in contact with the inner wall of the cylindrical body (1). The lower outer side of the cylindrical grid is provided with a toothed ring (52). The lower part of the cylindrical body (1) is provided with a transmission component (53). The transmission component (53) consists of a drive motor and a gear. The gear of the transmission component (53) meshes with the toothed ring (52). The transmission component (53) drives the toothed ring (52) to rotate, thereby driving the cylindrical grid (5) to rotate inside the cylindrical body (1).

2. The self-cleaning sewage bar according to claim 1, characterized in that: It also includes a cover (6), a slag discharge pipe (61) and a flushing pipe (62). The upper part of the cylinder (1) is provided with a cover (6), which surrounds the slag discharge outlet (22), and the top cover (2) seals the upper part of the cover (6). A slag discharge pipe (61) is provided on one side of the cover (6), and a flushing pipe (62) is provided on the side of the cover (6) away from the slag discharge pipe (61). Both the flushing pipe (62) and the slag discharge pipe (61) are connected to the internal space of the cover (6).

3. The self-cleaning sewage bar according to claim 2, characterized in that: It also includes a vibration module (7), and the lower part of the cylinder (1) is provided with a vibration module (7).

4. A self-cleaning sewage bar according to claim 3, characterized in that: It also includes a filter screen (8), with a filter screen (8) provided at the lower opening of the cylindrical grid (5), and the filter screen (8) is funnel-shaped.

5. A self-cleaning sewage bar according to claim 4, characterized in that: It also includes a drain pipe (81) and a slag pump (9). The drain pipe (81) is located at the bottom of the filter screen (8). The drain pipe (81) is connected to the internal space of the filter screen (8). The slag pump (9) is located at the bottom of the drain pipe (81).

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