A sewage filtering device for construction

Abstract

This application provides a wastewater filtration device for construction, relating to the field of wastewater filtration technology. It includes a filter box with an inlet hopper at the upper center. A first filter screen is installed on the upper inner side of the inlet hopper. Two sets of outlet pipes are located at the bottom of the inlet hopper, each equipped with an electric valve. Two sets of guide channels are located within the inner cavity of the filter box, respectively on both sides and corresponding to the bottom of the two sets of outlet pipes. This invention, by using two sets of outlet pipes with guide channels at their bottoms, allows for the alternating use of these channels to discharge small particles of impurities from the filter box, maintaining its unobstructed flow. This enables continuous filtration and discharge of construction wastewater, effectively improving the efficiency of wastewater filtration.

Description

Technical Field

[0001] This utility model relates to the field of building wastewater filtration technology, specifically a building wastewater filtration device. Background Technology

[0002] Construction wastewater refers to all types of wastewater generated during the construction, use, and maintenance of buildings. It has a wide range of sources and complex composition. If discharged directly without proper treatment, it will cause significant harm to water bodies, soil, and the ecological environment. Therefore, construction wastewater needs to be filtered and treated.

[0003] However, due to the large amount of particulate impurities in construction wastewater, the filter screen of the filtration device often gets clogged, requiring staff to clean it by shutting off the water supply, which affects the efficiency of construction wastewater filtration.

[0004] To address the aforementioned problems, we propose a wastewater filtration device for buildings. Utility Model Content

[0005] To address the problems in the background art, this utility model provides a wastewater filtration device for buildings.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A wastewater filtration device for buildings includes a filter box. An inlet hopper is located at the upper center of the filter box, and a first filter screen is installed on the upper inner side of the inlet hopper. Two sets of outlet pipes are located at the bottom of the inlet hopper, each set containing an electric valve. Two sets of guide channels are located within the inner cavity of the filter box, respectively positioned on both sides of the inner cavity and corresponding to the bottom of the two sets of outlet pipes. Two sets of electric push rods are located at the bottom of each guide channel, and an outlet channel is located at the end of each guide channel. The outlet channel is fixedly installed at the middle of both ends of the filter box, with its end extending outwards. A filter box is located at the middle inner side of the outlet channel, and a collection box is located at the bottom center of the two sets of guide channels.

[0007] Preferably, multiple sets of mounting slots are provided at both ends of the inner side of the flow guide groove, and multiple sets of mounting protrusions are provided on both ends of the outer wall of the filter box. The filter box is installed in the flow guide groove by installing the mounting protrusions in the corresponding mounting slots.

[0008] Preferably, a pressure sensor is provided at the bottom inner side of the mounting groove, a spring is provided at the middle of the upper end of the pressure sensor, a movable block is provided at the top of the spring, and the movable block is located at the bottom of the mounting protrusion.

[0009] Preferably, the guide channel and the outlet channel are movably connected.

[0010] Preferably, a second filter screen is provided on both the bottom and right end face of the filter box.

[0011] Preferably, a movable baffle is provided at the middle of the left end of the filter box, and the movable baffle is movably connected to the filter box by a hinge.

[0012] Compared with the prior art, the beneficial effects of this utility model are: In this design, two sets of water outlet pipes are installed, each with a corresponding guide channel at its bottom. By using the two sets of water outlet pipes and guide channels alternately, small particulate impurities in the filter box are dumped and discharged in turn, preventing them from accumulating and causing blockages. This maintains the unobstructed flow of the filter box, allowing for continuous filtration and discharge of construction wastewater, thus effectively improving the filtration efficiency. Furthermore, the inclusion of a first and second filter screen in this design enables secondary filtration of the construction wastewater, further enhancing the filtration efficiency and quality. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the guide channel in the unloading mode of this utility model; Figure 3 This is a schematic diagram of the structure of the guide channel and the outlet channel in this utility model; Figure 4 This is an exploded view of the guide channel and the outlet channel in this utility model; Figure 5 This is a side sectional view of the mounting groove and mounting protrusion in the installation state of this utility model.

[0014] In the diagram: 1. Filter box; 2. Inlet hopper; 3. First filter screen; 4. Outlet pipe; 5. Electric valve; 6. Guide channel; 7. Outlet channel; 8. Electric push rod; 9. Filter box; 10. Second filter screen; 11. Movable baffle; 12. Mounting slot; 13. Mounting protrusion; 14. Spring; 15. Movable block; 16. Pressure sensor; 17. Collection box. Detailed Implementation

[0015] The technical solution in this application embodiment is to solve the problems of the background technology mentioned above. The general idea is as follows: By setting two sets of water outlet pipes 4 at the bottom of the water inlet hopper 2, and setting guide grooves 6 at the bottom of each of the two sets of water outlet pipes 4, the two sets of water outlet pipes 4 and the two sets of guide grooves 6 are used in turn to achieve continuous filtering and discharge of building sewage, thereby effectively improving the efficiency of filtering building sewage. In addition, by setting two sets of electric push rods 8 at the bottom of the guide channel 6, the particulate impurities in the filter box 9 can be poured out and unloaded under the extension and retraction movement of the electric push rods 8. During use, by alternately pouring out and unloading the small particulate impurities in the filter box 9, it is also possible to avoid the small particulate impurities from accumulating in the filter box 9 and causing blockage. Furthermore, the setting of the first filter screen 3 and the second filter screen 10 in this utility model enables secondary filtration of construction sewage, thereby effectively improving the efficiency and quality of filtration of construction sewage.

[0016] Example: Refer to Figure 1 - Figure 5 As shown, a wastewater filtration device for buildings in this embodiment includes a filter box 1. An inlet hopper 2 is located at the upper center of the filter box 1. A first filter screen 3 is installed on the upper inner side of the inlet hopper 2. Installing the first filter screen 3 on the upper inner side of the inlet hopper 2 facilitates the removal and cleaning of large particles filtered out by workers. Two sets of outlet pipes 4 are located at the bottom of the inlet hopper 2, and each set of outlet pipes 4 is equipped with an electric valve 5. Two sets of guide channels are provided inside the filter box 1. 6. Two sets of guide channels 6 are respectively set on both sides of the inner cavity of the filter box 1, and respectively correspond to the bottom of the two sets of water outlet pipes 4. Two sets of electric push rods 8 are set at the bottom of the guide channel 6, and a water outlet channel 7 is set at the end of the guide channel 6. The water outlet channel 7 is fixedly installed at the middle of both ends of the filter box 1, and the end of the water outlet channel 7 extends outward from the filter box 1. A filter box 9 is set in the middle of the inner side of the water outlet channel 7, and a collection box 17 is set at the bottom of the inner cavity of the filter box 1. The collection box 17 is located at the middle of the bottom of the two sets of guide channels 6.

[0017] The system includes a first filter screen 3 to filter large particles in the wastewater. The wastewater is then discharged into the filter box 9 for secondary filtration through the outlet pipe 4. Finally, the filtered wastewater is guided through the guide channel 6 to the outlet channel 7 and discharged out of the filter box 1.

[0018] Multiple sets of mounting slots 12 are provided at both ends of the inner side of the flow guide channel 6, and multiple sets of mounting protrusions 13 are provided on both ends of the outer wall of the filter box 9. By installing the mounting protrusions 13 in the corresponding mounting slots 12, the filter box 9 is installed in the flow guide channel 6. A pressure sensor 16 is provided at the bottom of the inner side of the mounting slot 12. A spring 14 is provided at the middle of the upper end of the pressure sensor 16. A movable block 15 is provided at the top of the spring 14. The movable block 15 is located at the bottom of the mounting protrusion 13. When the particulate impurities in the filter box 9 accumulate, they will press down on the filter box 9, thereby pressing down on the movable block 15, which in turn presses down on the spring 14 and the pressure sensor 16. Once the pressure sensor 16 detects that the pressure has reached the set threshold, the particulate impurities in the filter box 9 need to be unloaded.

[0019] In some examples, the guide channel 6 is movably connected to the outlet channel 7, allowing the guide channel 6 to rotate. (See reference...) Figure 1 and Figure 2 As shown, a soft material can be installed at the connection between the guide channel 6 and the outlet channel 7 for sealing, or a sealing ring can be installed at the connection between the guide channel 6 and the outlet channel 7, so that the guide channel 6 and the outlet channel 7 can be tightly sealed to prevent sewage from leaking from the gap between them when guiding sewage.

[0020] In some examples, a second filter screen 10 is provided on the bottom and right end face of the filter box 9 to achieve secondary filtration of construction wastewater, filtering out small particulate impurities in the wastewater. The filtered small particulate impurities remain in the filter box 9, while the filtered wastewater falls into the guide channel 6 and is then discharged outward through the outlet channel 7.

[0021] In some examples, a movable baffle 11 is provided at the middle of the left end of the filter box 9. The movable baffle 11 is movably connected to the filter box 9 by a hinge. When the filter box 9 is in the unloading tilt position, the movable baffle 11 will automatically open due to its own gravity at the lowest point, so that the debris in the filter box 9 can fall downwards. Conversely, when the filter box 9 is reset to the highest position, the movable baffle 11 will block the opening at the left end of the filter box 9.

[0022] The working principle of this utility model is as follows: During use, the sewage drain pipe is first connected to the inlet of the inlet hopper 2. When the sewage flows down, it first passes through the first filter screen 3 to filter large particles of impurities, and then is discharged downward through one of the outlet pipes 4. The sewage will fall into the filter box 9 in the inner cavity of the guide channel 6 through the outlet pipe 4. At this time, the filter box 9 will filter the small particles of impurities in the sewage. The small particles of impurities will remain in the filter box 9, while the sewage will be discharged outward through the outlet channel 7.

[0023] During the process of filtering sewage, as particulate impurities accumulate in the filter box 9, they will put pressure on the filter box 9. At this time, the pressure sensor 16 detects the pressure in real time. Once the pressure reaches the specified value, the electric valve 5 at the outlet pipe 4 will close, and the other outlet pipe 4 will open to allow water to flow, so that the sewage can be discharged and filtered through the other outlet pipe 4.

[0024] When the upper water outlet pipe 4 is closed, the two sets of electric push rods 8 located at the bottom of the guide channel 6 will retract, thereby driving the guide channel 6 to rotate, causing the left end of the guide channel 6 to rotate from upward tilt to downward tilt, thereby dumping and unloading small particulate impurities in the filter box 9, so that the small particulate impurities fall into the collection box 17 below for centralized collection, making it convenient for staff to clean.

[0025] During the pouring process, the electric push rod 8 can be repeatedly extended and retracted to make the guide channel 6 move back and forth, which has a vibration effect, allowing small particles of impurities to fall off completely and improving the quality of unloading. After the filter box 9 finishes unloading, the electric push rod 8 is pushed again, causing the guide channel 6 to reset and re-seal the connection with the outlet channel 7, ready for the next wastewater filtration operation.

[0026] This invention features two sets of water outlet pipes 4, each with a corresponding guide channel 6 at its bottom. The two sets of outlet pipes 4 and the two sets of guide channels 6 are used alternately, enabling continuous filtration and discharge of construction wastewater. Furthermore, the alternating unloading of small particulate impurities from the filter box 9 prevents their accumulation and blockage. The inclusion of a first filter screen 3 and a second filter screen 10 provides secondary filtration of the construction wastewater, effectively improving both the efficiency and quality of the filtration process.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A wastewater filtration device for buildings, characterized in that, Includes a filter box (1), with an inlet hopper (2) at the upper middle part of the filter box (1), a first filter screen (3) at the upper inner side of the inlet hopper (2), and two sets of outlet pipes (4) at the bottom of the inlet hopper (2), each set of outlet pipes (4) being equipped with an electric valve (5). The filter box (1) has two sets of guide channels (6) in its inner cavity. The two sets of guide channels (6) are respectively located on both sides of the inner cavity of the filter box (1) and are respectively located at the bottom of the two sets of water outlet pipes (4). The bottom end of the guide channel (6) is provided with two sets of electric push rods (8). The end of the guide channel (6) is provided with a water outlet trough (7). The water outlet trough (7) is fixedly installed in the middle of both ends of the filter box (1), and the end of the water outlet trough (7) extends out of the filter box (1). A filter box (9) is provided in the middle of the inner side of the water outlet trough (7), and a collection box (17) is provided at the bottom of the inner cavity of the filter box (1). The collection box (17) is located in the middle of the bottom of the two sets of guide channels (6).

2. The wastewater filtration device for buildings according to claim 1, characterized in that, Multiple sets of mounting slots (12) are provided on both ends of the inner side of the flow guide groove (6), and multiple sets of mounting protrusions (13) are provided on both ends of the outer wall of the filter box (9). By installing the mounting protrusions (13) in the corresponding mounting slots (12), the filter box (9) is installed in the flow guide groove (6).

3. A wastewater filtration device for buildings according to claim 2, characterized in that, A pressure sensor (16) is provided at the bottom inner side of the mounting groove (12). A spring (14) is provided at the middle of the upper end of the pressure sensor (16). A movable block (15) is provided at the top of the spring (14). The movable block (15) is located at the bottom of the mounting protrusion (13).

4. A wastewater filtration device for buildings according to claim 3, characterized in that, The guide channel (6) is movably connected to the outlet channel (7).

5. A wastewater filtration device for buildings according to claim 4, characterized in that, The bottom and right end face of the filter box (9) are provided with a second filter screen (10).

6. A wastewater filtration device for buildings according to claim 5, characterized in that, A movable baffle (11) is provided at the middle of the left end of the filter box (9), and the movable baffle (11) is movably connected to the filter box (9) by a hinge.

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