Grating pool grating net cleaning device for sewage treatment
By designing a bar screen cleaning device with rotating and lifting components, the problems of time-consuming and labor-intensive cleaning that affect filtration in existing technologies have been solved, achieving efficient sewage treatment and cleaning while reducing labor.
Patent Information
- Application Number
- CN202422900174.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-27
AI Technical Summary
The existing hospital wastewater treatment equipment has a bar screen that is time-consuming and labor-intensive to clean, and the cleaning process affects the wastewater filtration effect.
A screen cleaning device for a wastewater treatment screen pool is designed. Through the cooperation of a rotating component and a lifting component, the screen plates can be used alternately, ensuring that while one set of screen plates is being cleaned, the other set continues to filter wastewater. The screen plates can also be raised outside the well for easy cleaning of impurities.
This method ensures that the wastewater filtration effect is not affected when cleaning the bar screen, reducing the workload of cleaning personnel and improving cleaning efficiency.
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Figure CN223570119U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hospital sewage treatment technical field, concretely is a grille pool grille net cleaning device for sewage treatment. BACKGROUND
[0002] Hospital sewage refers to the sewage discharged by a hospital (general hospital, specialized hospital and other types of hospital) to the natural environment or urban pipeline; the water quality varies with different hospital properties, scale and its location; the sewage discharge amount of each bed per day is about 200-1000L; the main pollutants contained in hospital sewage are pathogenic organisms (parasite eggs, pathogenic bacteria, viruses, etc.), organic matter, floating and suspended matter, radioactive pollutants, etc., therefore, hospital sewage cannot be directly discharged, and needs to be discharged after treatment.
[0003] The existing grille well on the hospital sewage treatment equipment is inconvenient to clean the impurities filtered by the hospital sewage, which greatly increases the labor of the cleaning personnel, and leads to poor practicability.
[0004] The existing Chinese patent with publication number CN214528579U discloses a high-efficiency sterilization and disinfection hospital sewage treatment equipment, which comprises a main body, a grille well is arranged at the middle position of one side of the top of the main body and extends to the inside of the main body, a threaded rod is arranged at the middle position of the inner bottom of the grille well, and an internally threaded sleeve block is arranged on the outer side of the threaded rod.
[0005] For the above and existing related technologies, the inventors believe that the following defects often exist: the device cleans the impurities filtered by the grille net plate by driving it to rise, but after the grille net plate rises, it cannot filter the sewage flowing out of the discharge port, which needs to be improved; therefore, a grille pool grille net cleaning device for sewage treatment is proposed to solve the above problems. INVENTION CONTENTS
[0006] In order to make up for the deficiencies of the prior art and solve the technical problems mentioned above, the utility model provides a grille pool grille net cleaning device for sewage treatment.
[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of grating pool grating net cleaning device for sewage treatment described in the utility model, including grating well, the lower side wall of grating well is fixedly connected with inlet, the inner wall of grating well is rotatably connected with annular support seat, the surface of support seat is equipped with two semicircular mounting ports, the upper portion of mounting port is equipped with grating net board, the opposite side of two grating net boards is provided with partition plate, the bottom wall of partition plate is fixedly connected with the upper surface of support seat, the lower portion of support seat is equipped with rotating assembly, rotating assembly is used to drive support seat to rotate, the upper portion of the outer wall of grating well is fixedly connected with U-shaped support frame, the inside of support frame is rotatably connected with rotating seat, the surface of rotating seat is equipped with lifting assembly, and lifting assembly is used to drive grating net board to lift.
[0008] Preferably, the grating net board is provided as L-shaped, and the side wall of the grating net board is vertically and slidingly connected with an arc-shaped grating side plate.
[0009] Preferably, the rotating assembly comprises a mounting seat, the outer wall of the mounting seat is fixedly connected with the inner wall of the grating well, a driver one is fixedly connected at the bottom center of the mounting seat, and the driving end of the driver one is fixedly connected with the bottom wall of the support seat through the mounting seat.
[0010] Preferably, the upper side wall of the partition plate is embeddedly connected with an annular blocking layer.
[0011] Preferably, the lifting assembly comprises two drivers two, the two drivers two are respectively fixedly installed on the upper surface of the rotating seat, the driving end of the driver two is fixedly connected with a lead screw, and the bottom end of the lead screw is threadedly connected with the bottom wall of the grating net board through penetration.
[0012] Preferably, the two sides of the lead screw are respectively provided with guide rods, the top end of the guide rod is fixedly connected with the lower surface of the rotating seat, the bottom end of the guide rod penetrates through the grating net board, and the bottom end of the guide rod is fixedly connected with the upper surface of the support seat.
[0013] Preferably, the bottom end of the grating well is sequentially connected with a primary sedimentation tank, a biological contact oxidation tank, a biological contact oxidation tank and a disinfection tank through pipelines for sewage treatment.
[0014] Preferably, the top end of the grating well is rotatably connected with an adjusting ring, the two sides of the adjusting ring are rotatably connected with two semicircular well covers through shafts, and the surface of the well cover is provided with a plurality of mounting grooves.
[0015] The utility model has the advantages that:
[0016] 1. This utility model filters sewage by combining a grating plate and a grating side plate to prevent impurities from falling. The driver drives the support base to rotate, so that the two grating plates can rotate to the lower side of the discharge inlet in turn to achieve the alternating use of the grating plates. This allows one set of grating plates to be cleaned while the other set of grating plates is filtering, thus avoiding the filtration of sewage when cleaning the grating plates.
[0017] 2. This utility model uses a second driver to drive a lead screw to rotate, causing the grid plate to move upward along the lead screw and out of the grid well, which makes it easier for workers to retrieve and clean the impurities on the grid plate. Workers can also pull up and remove the grid side plate, making it convenient for workers to clean out the impurities inside the grid plate. Attached Figure Description
[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a cross-sectional view of the grid well of this utility model;
[0021] Figure 3 This is a schematic diagram of the rotating component structure of this utility model;
[0022] Figure 4 This is a schematic diagram of the unfolded structure of the support base, grid plate and grid side plate of this utility model;
[0023] Figure 5 This is a schematic diagram of the lifting component structure of this utility model.
[0024] In the diagram: 1. Grille well; 2. Inlet; 3. Support base; 4. Mounting port; 5. Grille panel; 6. Divider plate; 7. Rotating assembly; 71. Mounting base; 72. Driver 1; 8. Support frame; 9. Rotating base; 10. Lifting assembly; 101. Driver 2; 102. Lead screw; 103. Guide rod; 11. Adjusting ring; 12. Well cover; 13. Mounting groove; 14. Barrier layer; 15. Grille side plate. Detailed Implementation
[0025] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0026] Embodiment one
[0027] Please refer to Figures 1-4 As shown in FIG. 1, a kind of grille pool grille net cleaning device for sewage treatment, including grille well 1, the lower side wall of grille well 1 is fixedly connected with drain inlet 2, the inner wall of grille well 1 is rotatably connected with annular support seat 3, two semicircular installation ports 4 are formed on the surface of support seat 3, grille net plate 5 is installed above installation port 4, two grille net plates 5 are provided with partition plate 6 on opposite side, the bottom wall of partition plate 6 is fixedly connected with the upper surface of support seat 3, rotating assembly 7 is installed below support seat 3, rotating assembly 7 is used to drive support seat 3 to rotate, U-shaped support frame 8 is fixedly connected on the outer wall of grille well 1, rotating seat 9 is rotatably connected in the inside of support frame 8, lifting assembly 10 is installed on the surface of rotating seat 9, lifting assembly 10 is used to drive grille net plate 5 to lift.
[0028] Specifically, drain inlet 2 is used to connect the sewage pipeline of hospital, support seat 3 is used to support grille net plate 5, grille net plate 5 is used to filter impurities in sewage, partition plate 6 is used to separate two grille net plates 5.
[0029] Grille net plate 5 is provided as L-shaped, arc-shaped grille side plate 15 is vertically and slidably connected to the side wall of grille net plate 5, gap is provided between grille side plate 15 and the inner wall of grille well 1, and the gap is the discharge flow-out space for sewage.
[0030] Specifically, cylindrical filter grille is formed by the cooperation of grille net plate 5 and grille side plate 15, so that the impurities entering the filter grille can be prevented from flowing out again, and when cleaning the impurities, grille side plate 15 can be removed for easy cleaning of the garbage in grille net plate 5.
[0031] Rotating assembly 7 includes mounting seat 71, the outer wall of mounting seat 71 is fixedly connected with the inner wall of grille well 1, drive one 72 is fixedly connected at the bottom center of mounting seat 71, the driving end of drive one 72 is fixedly connected with the bottom wall of support seat 3 through mounting seat 71, and sealing ring is arranged at the intersection of mounting seat 71 and the driving end of drive one 72.
[0032] The mounting seat 71 is used for fixing and shielding the first driver 72, avoiding sewage from falling on the first driver 72, the first driver 72 is used for driving the support seat 3 to rotate, adjusting the position of the two grid net plates 5 to realize alternate filtering, so that the sewage can be filtered when the grid net plate 5 is cleaned.
[0033] The upper side wall of the partition plate 6 is embeddedly connected with the annular blocking layer 14.
[0034] Specifically, the blocking layer 14 is used for filling the gap between the grid side plate 15 and the grid well 1, avoiding impurities from falling from the gap.
[0035] Embodiment two
[0036] Comparative embodiment one, please refer to Figure 5 As shown in the figure, the utility model provides another embodiment, the lifting assembly 10 includes two second drivers 101, two second drivers 101 are fixedly installed on the upper surface of the rotating seat 9 respectively, the driving end of the second driver 101 is fixedly connected with the lead screw 102, the bottom end of the lead screw 102 is screwed with the bottom wall of the grid net plate 5, the two sides of the lead screw 102 are respectively provided with the guide rod 103, the top end of the guide rod 103 is fixedly connected with the lower surface of the rotating seat 9, the bottom end of the guide rod 103 penetrates the grid net plate 5, and the bottom end of the guide rod 103 is fixedly connected with the upper surface of the support seat 3.
[0037] Specifically, the support seat 3 is connected with the rotating seat 9 through the guide rod 103, when the support seat 3 is driven to rotate by the first driver 72, the rotating seat 9 is synchronously driven to rotate, the second driver 101 is used for driving the lead screw 102 to rotate, the lead screw 102 can drive the grid net plate 5 to ascend and descend, so that the grid net plate 5 can ascend out of the grid well 1 when cleaning impurities, facilitating the staff to clean the impurities.
[0038] The bottom end of the grid well 1 is sequentially connected with a primary sedimentation tank, a biological contact oxidation tank, a biological contact oxidation tank and a disinfection tank through pipelines to treat sewage, and the primary sedimentation tank, the biological contact oxidation tank, the biological contact oxidation tank and the disinfection tank for treating sewage belong to the prior art, which will not be described in detail here.
[0039] Specifically, after the sewage is filtered, it is evenly distributed in the primary sedimentation tank, then is precipitated, then is subjected to acidification hydrolysis and nitrification denitrification in the biological contact oxidation tank, so as to reduce the concentration of organic matter and remove part of ammonia nitrogen, then flows into the biological contact oxidation tank to perform oxidation reaction, and finally flows into the disinfection tank to disinfect and dissolve harmful bacteria in the sewage.
[0040] The top end of the grid well 1 is rotatably connected with the adjusting ring 11, the two sides of the adjusting ring 11 are rotatably connected with two semicircular well covers 12 through shafts, and a plurality of mounting grooves 13 are formed in the surface of the well cover 12.
[0041] Specifically, the well lid 12 is used to cover the grating well 1, the installation groove 13 is used for the guide rod 103 and the lead screw 102 to pass through, and the adjusting ring 11 is used to rotate synchronously when the guide rod 103 rotates, so as to avoid the movement interference caused by the well lid 12.
[0042] By the person skilled in the art, all electrical components in the case are connected with the power supply through wires, and appropriate controllers and drivers 72 and 101 are electrically connected according to actual conditions to meet the control requirements. The specific connection and control sequence should be referred to the working principle below, and the electrical components are connected in the order of working sequence. The detailed connection means is the prior art, and the working principle and process are mainly introduced below, and the electrical control is not described.
[0043] The hospital sewage pipeline is connected with the discharge inlet 2, the sewage enters the grating well 1 through the discharge inlet 2, and then the sewage is filtered through the cooperation of the grating net plate 5 and the grating side plate 15. The filtered sewage is sequentially treated by the primary sedimentation tank, the biological contact oxidation tank, the biological contact oxidation tank and the disinfection tank. The support seat 3 is driven by the driver 72 to rotate, so that the two grating net plates 5 can be rotated to the lower side of the discharge inlet 2 in turn to realize the alternate use of the grating net plate 5. When cleaning the impurities in the grating net plate 5, one group of grating net plates 5 can be cleaned, and the other group of grating net plates 5 can continue to filter, so as to avoid affecting the filtration of the sewage when cleaning the grating net plate 5.
[0044] When the impurities filtered need to be cleaned, the driver 101 above the idle grating net plate 5 is operated, the lead screw 102 is driven by the driver 101 to rotate, so that the grating net plate 5 moves upward along the lead screw 102 out of the grating well 1. Then the staff can pull down the grating side plate 15 upward, so as to conveniently clean the impurities in the grating net plate 5, and reduce the labor of the cleaning personnel.
[0045] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0046] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A device for cleaning the grid of a grid chamber for sewage treatment, comprising a grid well (1), characterized in that: The lower side wall of the grid well (1) is fixedly connected with a discharge inlet (2), the inner wall of the grid well (1) is rotatably connected with an annular support seat (3), two semicircular mounting openings (4) are formed in the surface of the support seat (3), the grid net plates (5) are mounted above the mounting openings (4), the opposite sides of the two grid net plates (5) are provided with partition plates (6), the bottom wall of the partition plate (6) is fixedly connected with the upper surface of the support seat (3), a rotating assembly (7) is mounted below the support seat (3), the rotating assembly (7) is used for driving the support seat (3) to rotate, a U-shaped support frame (8) is fixedly connected above the outer wall of the grid well (1), a rotating seat (9) is rotatably connected in the support frame (8), a lifting assembly (10) is mounted on the surface of the rotating seat (9), and the lifting assembly (10) is used for driving the grid net plates (5) to lift.
2. The screen cleaning device for a screen tank for sewage treatment according to claim 1, characterized by: The grid net plate (5) is L-shaped, and the side wall of the grid net plate (5) is vertically and slidably connected with an arc-shaped grid side plate (15), and a gap is formed between the grid side plate (15) and the inner wall of the grid well (1).
3. The cleaning device for the screen of the screen tank for sewage treatment according to claim 1, characterized in that: The rotating assembly (7) comprises a mounting seat (71), the outer wall of the mounting seat (71) is fixedly connected with the inner wall of the grid well (1), a driver one (72) is fixedly connected at the bottom center of the mounting seat (71), and the driving end of the driver one (72) penetrates through the mounting seat (71) and is fixedly connected with the bottom wall of the support seat (3).
4. The cleaning device for the screen of the screen tank for sewage treatment according to claim 1, characterized in that: The upper side wall of the partition plate (6) is embeddedly connected with an annular blocking layer (14).
5. The cleaning device for the screen of the screen tank for sewage treatment according to claim 1, characterized in that: The lifting assembly (10) comprises two drivers two (101), the two drivers two (101) are fixedly installed on the upper surface of the rotating seat (9) respectively, a lead screw (102) is fixedly connected with the driving end of the driver two (101), and the bottom end of the lead screw (102) is threadedly connected with the bottom wall of the grid net plate (5) penetrating through.
6. The screen cleaning device for a screen tank for sewage treatment according to claim 5, characterized by: The two sides of the lead screw (102) are respectively provided with guide rods (103), the top ends of the guide rods (103) are fixedly connected with the lower surface of the rotating seat (9), and the bottom ends of the guide rods (103) penetrate through the grid net plate (5).
7. The screen cleaning device for a screen tank for sewage treatment according to claim 1, characterized by: The bottom end of the grid well (1) is sequentially connected with a primary sedimentation tank, a biological contact oxidation tank, a biological contact oxidation tank and a disinfection tank through pipelines for treating sewage.
8. The screen cleaning device for a screen tank for sewage treatment according to claim 1, characterized by: The top end of the grid well (1) is rotatably connected with an adjusting ring (11), two semicircular well covers (12) are rotatably connected with the two sides of the adjusting ring (11) through shafts, and a plurality of mounting grooves (13) are formed in the surface of the well cover (12).
Citation Information
Patent Citations
Hospital sewage treatment equipment with efficient sterilization and disinfection functions
CN214528579U