An inlet garbage filtering device for a sewage treatment plant that is easy to clean

Abstract

The utility model discloses an inlet garbage filtering device for a sewage treatment plant that is easy to clean, comprising: a box body for bearing and limiting, an upper filter screen and a lower filter screen respectively nested and fitted on the inner side of the middle part and the inner side of the lower end of the box body, and a limiting rod arranged at the center of the upper filter screen and the lower filter screen; further comprising: a magnetic adsorption structure is arranged below the water inlet of the box body, wherein the magnetic adsorption structure comprises a magnetic rod and a fixed plate, and the fixed plate is symmetrically fixed on both sides of the magnetic rod; a sealing limiting structure is arranged outside the upper filter screen and the lower filter screen, wherein the sealing limiting structure comprises a bearing plate, a connecting plate, a sealing pad and a movable plate. The inlet garbage filtering device for a sewage treatment plant that is easy to clean is convenient for magnetic adsorption and double filtration of inlet garbage, convenient for replacement and cleaning of the upper filter screen and the lower filter screen, avoiding blockage and affecting the filtering efficiency, and convenient for discharging and collecting the cleaned garbage filter.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment plants, in particular to an inlet garbage filtering device for sewage treatment plants which is easy to clean. Background Art

[0002] In order to prevent sewage and pollutants from flowing directly into water bodies, sewage needs to be treated. Sewage treatment is the process of purifying sewage so that it meets the water quality requirements for discharge into a water body or reuse. During the sewage treatment process, garbage in the water is often filtered through filtering devices.

[0003] For example, a Chinese utility model patent with authorization announcement number CN216909350U discloses an inlet garbage filtering device for a sewage treatment plant, the cleaning mechanism includes a first cylinder and a mounting plate, the bottom of the first cylinder is rotatably connected to the bottom of the inner wall of the box body, the output end of the first cylinder is rotatably connected to the bottom of the filter plate, and the mounting plate is fixedly connected to the top of the filter plate. The utility model relates to the technical field of sewage treatment. The inlet garbage filtering device for a sewage treatment plant uses the first cylinder to lift the filter plate under the coordinated use of the first cylinder, the mounting plate, the motor, the screw rod and the push plate. When the push plate moves, it is convenient to clean up the garbage on the filter plate in a centralized manner, and then the garbage is collected through the through groove and the first through hole. The problem that the existing inlet garbage filtering device for a sewage treatment plant cannot collect the garbage uniformly after filtering and needs to manually clean the filtered garbage is not only inefficient but also requires a lot of time and resources.

[0004] However, the existing waste water filter for sewage treatment plants is generally not convenient for magnetic adsorption and double filtration of waste water, and is not convenient for replacement and cleaning of the upper and lower filters, which can easily affect the filtration efficiency. Therefore, we propose an easy-to-clean waste water filter for sewage treatment plants to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an inlet garbage filtering device for a sewage treatment plant which is easy to clean, so as to solve the problem that the existing inlet garbage filtering device for a sewage treatment plant proposed in the above background technology is generally not convenient for magnetic adsorption and double filtration of inlet garbage during use, and is not convenient for replacement and cleaning of the upper filter screen and the lower filter screen, which easily affects the filtering efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inlet garbage filtering device for a sewage treatment plant that is easy to clean, comprising: a box body for bearing and limiting, an upper filter screen and a lower filter screen respectively nested and fitted on the inner side of the middle part and the inner side of the lower end of the box body, and a limiting rod arranged at the center of the upper filter screen and the lower filter screen;

[0007] Also includes:

[0008] A magnetic adsorption structure is arranged below the water inlet of the box, wherein the magnetic adsorption structure comprises a magnetic attraction rod and a fixing plate, and the fixing plate is symmetrically fixed on both sides of the magnetic attraction rod;

[0009] The upper filter screen and the lower filter screen are provided with a sealing limiting structure outside, wherein the sealing limiting structure includes a bearing plate, a connecting plate, a sealing gasket and a movable plate, and the bearing plate is arranged on the lower side of the right end of the upper filter screen and the lower filter screen;

[0010] The upper filter and the lower filter are provided with a cleaning and anti-blocking structure, wherein the cleaning and anti-blocking structure comprises a limit rod, a scraper, a first gear, a second gear, a motor and a mounting plate, and the limit rod is engaged and connected to the box body in an undetachable manner;

[0011] The rear end of the box is provided with a material discharging and collecting structure, wherein the material discharging and collecting structure includes an inner baffle, a linkage plate, an outer baffle and a collection box, and the inner baffle is nested and fits on the inner side of the rear end of the box, and a controller is embedded and installed on the inner side of the right rear upper end of the box.

[0012] Preferably, the fixing plate is nested and fits inside the front upper end of the box body, and the side cross-sectional dimension of the fixing plate is larger than the side cross-sectional dimension of the magnetic rod, and the supporting plate is fixedly connected to the box body.

[0013] Preferably, the left sides of the upper filter and the lower filter are fixedly connected to a connecting plate located in the box, and a sealing gasket tightly fitted with the box is glued and fixed to the outer side of the connecting plate, and a movable plate is fitted on the left side of the middle part of the connecting plate and the sealing gasket, and the middle part of the movable plate is connected to the box for damping rotation.

[0014] Preferably, a scraper is fixedly connected to the rear lower side of the limit rod, and the lower ends of the scraper units are respectively fitted with the upper filter and the lower filter, and a first gear is fixedly connected to the right side of the limit rod, and a second gear meshing with the first gear units is arranged between the first gear units.

[0015] Preferably, the right side of the second gear is connected to a motor via a coupling, and a mounting plate fixedly connected to the box body is nested and fitted outside the motor.

[0016] Preferably, the inner baffle plate is located above and rearward of the upper filter and the lower filter, and a linkage plate is fixedly connected to the middle rear side of the inner baffle plate, and the outer side of the linkage plate is snap-connected to an outer baffle plate fixedly connected to the box body, and the lower side of the outer baffle plate is fitted with a collection box located at the lower rear of the box body.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the inlet garbage filtering device for a sewage treatment plant that is easy to clean is convenient for magnetic adsorption and double filtration of inlet garbage, convenient for replacement and cleaning of the upper filter screen and the lower filter screen, avoiding blockage and affecting the filtration efficiency, and convenient for discharging and collecting the cleaned garbage filter material;

[0018] 1. A box body, a magnetic rod, a fixed plate and an upper filter are provided. A magnetic rod is provided below the water inlet of the box body, and a fixed plate which is nested and fitted with the box body is symmetrically fixed on the outside of the magnetic rod. An upper filter screen and a lower filter screen supported by a bearing plate are provided on the inner side of the middle and the inner side of the lower end of the box body, respectively. Therefore, it is convenient to adsorb magnetic objects and perform double filtration on the incoming garbage;

[0019] 2. An upper filter, a connecting plate, a movable plate and a limiting rod are provided. The left sides of the upper filter and the lower filter are fixedly connected with the connecting plate, the connecting plate is limited by the movable plate, and the center of the upper filter and the lower filter is provided with a limiting rod that is non-detachably connected to the box body, and a scraper that is fitted with the upper filter and the lower filter is fixed behind the limiting rod, and the right side of the limiting rod is fixedly connected with the first gear linked by the second gear, and the second gear is externally connected with a motor, so it is convenient to replace and clean the upper filter and the lower filter to avoid blockage and affect the filtering efficiency;

[0020] 3. An inner baffle, a linkage plate, an outer baffle and a collection box are provided. Since an inner baffle which is nested and fits with the box body is provided on the upper rear of the upper filter and the lower filter, an outer baffle which is fixedly connected with the box body is provided on the outer side of the inner baffle, and a linkage plate which is fixed with the inner baffle is snap-connected inside the outer baffle, and a collection box is provided on the lower side of the outer baffle, it is convenient to discharge and collect the cleaned garbage filtered materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the left side cross-sectional structure of the utility model;

[0023] Figure 3 It is a schematic diagram of the left side structure of the utility model;

[0024] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the utility model;

[0025] Figure 5 It is a schematic diagram of the overall structure of the magnetic rod and the fixed plate connected to the utility model.

[0026] In the figure: 1. Box body; 2. Magnetic rod; 3. Fixed plate; 4. Upper filter; 5. Lower filter; 6. Carrying plate; 7. Connecting plate; 8. Sealing gasket; 9. Movable plate; 10. Limit rod; 11. Scraper; 12. First gear; 13. Second gear; 14. Motor; 15. Mounting plate; 16. Inner baffle; 17. Linking plate; 18. Outer baffle; 19. Collection box; 20. Controller. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model provides a technical solution: an inlet garbage filtering device for a sewage treatment plant which is easy to clean, comprising a box body 1, a magnetic rod 2, a fixed plate 3, an upper filter screen 4, a lower filter screen 5, a bearing plate 6, a connecting plate 7, a sealing gasket 8, a movable plate 9, a limiting rod 10, a scraper 11, a first gear 12, a second gear 13, a motor 14, a mounting plate 15, an inner baffle plate 16, a linkage plate 17, an outer baffle plate 18, a collecting box 19 and a controller 20, a box body 1 for carrying and limiting, an upper filter screen 4 and a lower filter screen 5 respectively nested and fitted on the inner side of the middle part and the inner side of the lower end of the box body 1, and a limiting rod 10 arranged at the center of the upper filter screen 4 and the lower filter screen 5, a magnetic adsorption structure is arranged below the water inlet of the box body 1, wherein the magnetic adsorption structure comprises a magnetic rod 2 and a fixed plate 3, and the fixed plate 3 is symmetrically fixed to the magnetic rod 2. On both sides of the rod 2, a sealing and limiting structure is arranged outside the upper filter 4 and the lower filter 5, wherein the sealing and limiting structure includes a bearing plate 6, a connecting plate 7, a sealing gasket 8 and a movable plate 9, and the bearing plate 6 is fitted on the lower right end of the upper filter 4 and the lower filter 5, and a cleaning and anti-blocking structure is arranged inside the upper filter 4 and the lower filter 5, wherein the cleaning and anti-blocking structure includes a limiting rod 10, a scraper 11, a first gear 12, a second gear 13, a motor 14 and a mounting plate 15, and the limiting rod 10 is engaged and connected to the box body 1 in an undetachable manner, and a blocking and discharging collection structure is arranged at the rear end of the box body 1, wherein the blocking and discharging collection structure includes an inner baffle 16, a linkage plate 17, an outer baffle 18 and a collection box 19, and the inner baffle 16 is nested and fitted on the inner side of the rear end of the box body 1, and a controller 20 is inlaid and installed on the inner side of the right rear upper end of the box body 1;

[0029] When using the easy-to-clean sewage treatment plant inlet garbage filter, if Figure 1 , Figure 2 and Figure 5First, the water inlet pipe and the drainage pipe can be connected to the inner side of the front upper end and the inner side of the front lower end of the box body 1 respectively, so as to pass and discharge the sewage. Since a magnetic rod 2 is arranged below the water inlet of the box body 1, and a fixing plate 3 which is nested and fitted with the box body 1 is symmetrically fixed on the outer side of the magnetic rod 2, it is convenient to adsorb the magnetic objects in the sewage through the magnetic rod 2, and it is convenient to move the magnetic rod 2 out of the box body 1 through the fixing plate 3 for cleaning at a later time. Since an upper filter screen 4 and a lower filter screen 5 which are nested and fitted with the box body 1 are arranged below the magnetic rod 2 in sequence, and a bearing plate 6 fixed to the box body 1 is fitted on the lower side of the right end of the upper filter screen 4 and the lower filter screen 5, it is convenient to double filter the incoming garbage through the upper filter screen 4 and the lower filter screen 5 supported by the bearing plate 6, and then discharge the filtered sewage;

[0030] like Figure 1 , Figure 2 , Figure 3 and Figure 4 Before and after filtering, the left sides of the upper filter screen 4 and the lower filter screen 5 are fixedly connected with a connecting plate 7 nested in the box body 1, and the left side of the connecting plate 7 is fitted with a movable plate 9 that rotates with the box body 1 for damping, so the movable plate 9 can be rotated to disconnect the limit of the movable plate 9 on the connecting plate 7, and then the connecting plate 7 can be moved outward to make the upper filter screen 4 and the lower filter screen 5 out of the box body 1, so that the upper filter screen 4 and the lower filter screen 5 can be replaced and cleaned. During the filtering process, the controller 20 embedded and installed on the inner side of the right rear upper end of the box body 1 can be used to control the motor 14 nested in the mounting plate 15 to operate, so that the motor 14 drives the motor 14 connected to its left side through the coupling The second gear 13 rotates, and since the upper and lower sides of the second gear 13 are meshedly connected with the first gear 12, the first gear 12 is fixedly connected to the non-detachable limit rod 10 in the box body 1, and the limit rod 10 is located at the center of the upper filter 4 and the lower filter 5, and a scraper 11 that fits the upper filter 4 and the lower filter 5 is fixed behind the limit rod 10, so that the second gear 13 drives the limit rod 10 to rotate under the engagement limit of the box body 1 through the operation of the motor 14, so that the limit rod 10 drives the scraper 11 to clean the upper filter 4 and the lower filter 5, so as to avoid blockage and affect the filtering efficiency;

[0031] like Figure 1 , Figure 2 and Figure 4After long-term filtering or filtering is completed, the linkage plate 17 engaged in the outer baffle 18 can be pulled back to fix the box body 1, so that the linkage plate 17 drives the inner baffle 16 fixedly connected to its front side to move backward, disconnecting the nesting fit between the inner baffle 16 and the box body 1. Since the inner baffle 16 is located at the upper rear of the upper filter screen 4 and the lower filter screen 5, a collection box 19 is provided on the lower side of the outer baffle 18. Therefore, it is convenient for the scraper 11 to clean the filtered material on the upper filter screen 4 and the lower filter screen 5 under the drive of the limit rod 10, so as to facilitate the garbage filtered material in the upper filter screen 4 and the lower filter screen 5 to be discharged and collected in the collection box 19. The above electrical components are all prior art and will not be described in detail here.

[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A wastewater treatment plant inlet garbage filtering device that is easy to clean, comprising: A box body (1) for carrying and limiting, an upper filter screen (4) and a lower filter screen (5) respectively nested and arranged on the inner side of the middle part and the inner side of the lower end of the box body (1), and a limiting rod (10) arranged at the center of the upper filter screen (4) and the lower filter screen (5); It is characterized by further comprising: A magnetic adsorption structure is arranged below the water inlet of the box body (1), wherein the magnetic adsorption structure comprises a magnetic attraction rod (2) and a fixing plate (3), and the fixing plate (3) is symmetrically fixed on both sides of the magnetic attraction rod (2); The upper filter screen (4) and the lower filter screen (5) are provided with a sealing limiting structure outside, wherein the sealing limiting structure comprises a bearing plate (6), a connecting plate (7), a sealing gasket (8) and a movable plate (9), and the bearing plate (6) is arranged in close contact with the lower side of the right end of the upper filter screen (4) and the lower filter screen (5); The upper filter (4) and the lower filter (5) are provided with a cleaning and anti-blocking structure, wherein the cleaning and anti-blocking structure comprises a limit rod (10), a scraper (11), a first gear (12), a second gear (13), a motor (14) and a mounting plate (15), and the limit rod (10) is engaged and connected to the box body (1) in an undetachable manner; The rear end of the box body (1) is provided with a material discharging and collecting structure, wherein the material discharging and collecting structure comprises an inner baffle plate (16), a linkage plate (17), an outer baffle plate (18) and a collecting box (19), and the inner baffle plate (16) is nested and fitted on the inner side of the rear end of the box body (1), and a controller (20) is embedded and installed on the inner side of the right rear upper end of the box body (1).

2. The easy-to-clean wastewater filter for a sewage treatment plant according to claim 1, characterized in that: The fixing plate (3) is nested and fits on the inner side of the front upper end of the box body (1), and the side cross-sectional dimensions of the fixing plate (3) are larger than the side cross-sectional dimensions of the magnetic attraction rod (2), and the supporting plate (6) is fixedly connected to the box body (1).

3. The easy-to-clean garbage filtering device for sewage treatment plants according to claim 1 is characterized by: The left sides of the upper filter screen (4) and the lower filter screen (5) are fixedly connected to a connecting plate (7) located in the box body (1), and a sealing gasket (8) tightly fitted with the box body (1) is glued and fixed to the outer side of the connecting plate (7), and a movable plate (9) is fitted on the left side of the middle part of the connecting plate (7) and the sealing gasket (8), and the middle part of the movable plate (9) is connected to the box body (1) in a damping rotation manner.

4. The easy-to-clean garbage filtering device for inlet water of a sewage treatment plant according to claim 1 is characterized in that: A scraper (11) is fixedly connected to the lower rear side of the limiting rod (10), and the lower ends of the scraper (11) units are respectively arranged to fit the upper filter screen (4) and the lower filter screen (5), and a first gear (12) is fixedly connected to the right side of the limiting rod (10), and a second gear (13) meshing with the first gear (12) is arranged between the units.

5. The easy-to-clean garbage filtering device for inlet water of a sewage treatment plant according to claim 1, characterized in that: The right side of the second gear (13) is connected to a motor (14) via a coupling, and a mounting plate (15) fixedly connected to the box body (1) is nested and fitted outside the motor (14).

6. The easy-to-clean garbage filtering device for inlet water of a sewage treatment plant according to claim 1, characterized in that: The inner baffle plate (16) is located above and behind the upper filter screen (4) and the lower filter screen (5), and a linkage plate (17) is fixedly connected to the middle rear side of the inner baffle plate (16), and an outer baffle plate (18) fixedly connected to the box body (1) is snap-connected to the outer side of the linkage plate (17), and a collection box (19) located at the rear lower part of the box body (1) is fitted on the lower side of the outer baffle plate (18).

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