Multi-layer filtering type grillage machine for sewage treatment

Abstract

The utility model discloses a multi-layer filtering type grillage machine for sewage treatment, and relates to the technical field of sewage treatment. The sewage treatment device comprises a shell and a filter grating, a partition plate is fixedly arranged on the inner surface of the shell, the filter grating is attached to the inner surface of the shell in a sliding mode, the filter grating and the shell are connected with a slag removal assembly, and the shell is connected with an impurity recovery assembly. Large impurities can be filtered out through the filtering grating, filtered sewage flows into one side of the partition plate to be stored, when impurities are left on the filtering grating, the driving motor can be started to enable the connecting rod to rotate, the connecting rod drives the cam to rotate, and when the cam makes contact with the filtering grating, the filtering grating is driven to rotate. When the cam does not make contact with the filtering grating, the filtering grating can return to the original position by means of the force of the first spring, vibration is generated, and the filtering grating can be prevented from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a multi-layer filtering type grid machine for sewage treatment. Background Art

[0002] Sewage treatment is the process of purifying sewage to meet the water quality requirements for discharge into a certain water body or reuse. The screen machine is an important auxiliary equipment in sewage treatment. The screen machine can remove solid impurities in sewage to facilitate the subsequent treatment of sewage. In order to improve the sewage filtration effect, multiple filter screens are usually installed in the screen machine to form a multi-layer filtration system.

[0003] Existing screen machines generally filter impurities in sewage through multiple filter screens, but the filter screens are not easy to clean due to long-term use, which will cause impurities on the filter screens to accumulate, clogging the mesh of the filter screens, affecting the quality of sewage filtration, and generally a recycling box is provided to recycle impurities. The recycling box on the existing screen machine is inconvenient to disassemble, affecting the efficiency. In view of the above problems, the inventor proposes a multi-layer filtering sewage treatment screen machine to solve the above problems. Utility Model Content

[0004] In order to solve the problem that the existing screen machines generally filter impurities in sewage through multiple filter screens, but the filter screens are not convenient to clean due to long-term use, which will cause impurities on the filter screens to accumulate, block the mesh of the filter screens, and affect the quality of sewage filtration. In addition, a recovery box is generally provided to recover the impurities, and the recovery box on the existing screen machine is inconvenient to disassemble, which affects the efficiency; the purpose of the utility model is to provide a multi-layer filtering screen machine for sewage treatment.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a multi-layer filtering sewage treatment screen machine, comprising a shell and a filter screen, a partition is fixedly provided on the inner surface of the shell, the filter screen is slidably fitted with the inner surface of the shell, a slag cleaning component is connected to the filter screen and the shell, and an impurity recovery component is connected to the shell;

[0006] The slag cleaning component includes a fixed frame, a slide groove is opened on the inner surface of the shell, a slider is slidably arranged in the slide groove, the slider is fixedly connected to the inner surface of the shell, two fixed frames are provided, and the fixed frame array is distributed on the inner surface of the shell, a first spring is fixedly provided on the upper surface of the fixed frame, a plurality of first springs are provided, and the first spring array is distributed between the fixed frame and the filter grille, the upper end of the first spring is fixedly connected to the lower surface of the filter grille, a driving motor is fixedly provided on the side of the shell, a connecting rod is provided on the output end of the driving motor, the connecting rod passes through the slide groove, a cam is fixedly provided on the outer surface of the connecting rod, the cam is rotatably fitted with the lower surface of the filter grille, a fixed shell is provided on the side of the shell, and the driving motor is fixedly connected to the inside of the fixed shell.

[0007] Preferably, the impurity recovery component includes a recovery box, which is movably inserted into the interior of the shell, a connecting block is fixedly provided on the lower surface of the recovery box, a connecting port is provided on the side of the connecting block, a sealing strip is fixedly provided on the side of the recovery box close to the shell, a sealing groove is provided on the side of the shell, the sealing strip is movably contacted with the inner surface of the sealing groove, a connecting groove is fixedly provided on the side of the shell close to the recovery box, the connecting block is movably fitted with the inner surface of the connecting groove, a square groove is provided on the side of the shell, a second spring is fixedly provided on the inner surface of the square groove, a movable plate is fixedly provided on the other end of the second spring, a notch is provided on one side of the movable plate, a limit block is fixedly provided on the side of the movable plate away from the second spring, the limit block movably passes through the connecting groove, the limit block is movably inserted in the connecting port, and a pull rod is fixedly provided on the side of the recovery box away from the shell.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The utility model can pour sewage from one end of the housing, and the sewage flows through the filter grille, and the filter grille can filter out larger impurities. The filtered sewage flows into one side of the partition for storage. When impurities remain on the filter grille, the drive motor can be turned on to rotate the connecting rod, and the connecting rod drives the cam to rotate. When the cam contacts the filter grille, the filter grille can be lifted up. When the cam does not contact the filter grille, the filter grille can be returned to its original position by the force of the first spring, and vibration is generated to prevent the filter grille from being blocked.

[0010] 2. The utility model shakes impurities into the recycling box. When the impurities need to be cleaned, the movable plate limit block can be separated from the connection port through the notch, and the recycling box can be pulled out through the pull rod to clean the impurities inside. After the cleaning is completed, it is also convenient to connect the recycling box to the inside of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the internal structure of the shell of the utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the slag cleaning component of the utility model.

[0015] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0016] Figure 5 This is a schematic diagram of the structure of the impurity recovery component of the utility model.

[0017] Figure 6 For this utility model Figure 5 Enlarged structural diagram at B in the middle.

[0018] In the figure: 1. shell; 11. partition; 2. filter grille; 3. slag cleaning component; 31. fixed frame; 32. drive motor; 33. connecting rod; 34. cam; 35. first spring; 36. slide groove; 37. slider; 38. fixed shell; 4. impurity recovery component; 41. recovery box; 42. sealing strip; 421. sealing groove; 43. connecting block; 431. connecting groove; 44. connecting port; 45. pull rod; 46. square groove; 47. second spring; 48. movable plate; 481. notch; 49. limit block. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1: Figure 1-6As shown, the utility model provides a multi-layer filtering sewage treatment screen machine, including a shell 1 and a filter screen 2, a partition 11 is fixedly provided on the inner surface of the shell 1, the filter screen 2 is slidably fitted with the inner surface of the shell 1, a slag cleaning component 3 is connected to the filter screen 2 and the shell 1, and an impurity recovery component 4 is connected to the shell 1;

[0021] The slag cleaning component 3 includes a fixed frame 31, a slide groove 36 is provided on the inner surface of the shell 1, a slider 37 is slidably provided in the slide groove 36, the slider 37 is fixedly connected to the filter grille 2, the fixed frame 31 is fixedly connected to the inner surface of the shell 1, a first spring 35 is fixedly provided on the upper surface of the fixed frame 31, and the upper end of the first spring 35 is fixedly connected to the lower surface of the filter grille 2, a driving motor 32 is fixedly provided on the side of the shell 1, and a connecting rod 33 is provided at the output end of the driving motor 32, the connecting rod 33 passes through the slide groove 36, and a cam 34 is fixedly provided on the outer surface of the connecting rod 33, and the cam 34 is fixedly provided with the lower surface of the filter grille 2 The surfaces are rotated and fitted, and sewage can be poured into from one end of the shell 1. The sewage flows through the filter grille 2, and the filter grille 2 can filter out larger impurities. The filtered sewage flows into one side of the partition 11 for storage. When impurities remain on the filter grille 2, the drive motor 32 can be turned on to rotate the connecting rod 33, and the connecting rod 33 drives the cam 34 to rotate. When the cam 34 contacts the filter grille 2, the filter grille 2 can be lifted up. When the cam 34 does not contact the filter grille 2, the filter grille 2 can be returned to its original position with the help of the force of the first spring 35, and vibration is generated to prevent the filter grille 2 from being blocked.

[0022] A fixed shell 38 is provided on the side of the housing 1 , and the driving motor 32 is fixedly connected inside the fixed shell 38 .

[0023] By adopting the above technical solution, the drive motor 32 is fixed.

[0024] A plurality of first springs 35 are provided, and the first springs 35 are distributed in an array between the fixing frame 31 and the filter grid 2 .

[0025] By adopting the above technical solution, the vibration force during rebound is improved.

[0026] Two fixing frames 31 are provided, and the fixing frames 31 are distributed in an array on the inner surface of the housing 1 .

[0027] By adopting the above technical solution, two filter grids 2 can be connected, so that sewage can be filtered in multiple stages.

[0028] A sealing strip 42 is fixedly provided on one side of the recovery box 41 close to the shell 1 , a sealing groove 421 is provided on the side of the shell 1 , and the sealing strip 42 is in active contact with the inner surface of the sealing groove 421 .

[0029] By adopting the above technical solution, the sealing performance after connection is improved.

[0030] Embodiment 2: Figure 1 As shown, the impurity recovery component 4 includes a recovery box 41, which is movably inserted into the interior of the shell 1, a connecting block 43 is fixedly provided on the lower surface of the recovery box 41, a connecting port 44 is provided on the side of the connecting block 43, a connecting groove 431 is fixedly provided on the side of the shell 1 close to the recovery box 41, the connecting block 43 is movably fitted with the inner surface of the connecting groove 431, a square groove 46 is provided on the side of the shell 1, a second spring 47 is fixedly provided on the inner surface of the square groove 46, a moving plate 48 is fixedly provided on the other end of the second spring 47, a limiting block 49 is fixedly provided on the side of the moving plate 48 away from the second spring 47, and the recovery box A pull rod 45 is fixedly provided on the side of 41 away from the shell 1 to facilitate moving the recycling box 41. A notch 481 is opened on one side of the movable plate 48 to facilitate moving the movable plate 48. The limit block 49 movably passes through the connecting groove 431. The limit block 49 is movably inserted in the connecting port 44, and impurities are shaken into the recycling box 41. When the impurities need to be cleaned, the movable plate 48 can be moved so that the limit block 49 can be detached from the connecting port 44 through the notch 481, and the recycling box 41 can be pulled out through the pull rod 45, so that the impurities inside it can be cleaned. After the cleaning is completed, it is also convenient to connect the recycling box 41 to the inside of the shell 1.

[0031] Working principle: When the utility model is in use, sewage can be poured into from one end of the shell 1, and the sewage flows through the filter grille 2. The filter grille 2 can filter out larger impurities, and the filtered sewage flows into one side of the partition 11 for storage. When impurities remain on the filter grille 2, the driving motor 32 can be turned on to rotate the connecting rod 33, and the connecting rod 33 drives the cam 34 to rotate. When the cam 34 contacts the filter grille 2, the filter grille 2 can be lifted up. When the cam 34 does not contact the filter grille 2, the filter grille 2 can be returned to its original position with the help of the force of the first spring 35, and vibration can be generated to prevent the filter grille 2 from being blocked, and the impurities can be shaken into the recovery box 41. When it is necessary to clean the impurities, the movable plate 48 can be disengaged from the connection port 44 through the notch 481, and the recovery box 41 can be pulled out by the pull rod 45, so that the impurities inside it can be cleaned, and it is also convenient to connect the recovery box 41 to the inside of the shell 1 after cleaning.

[0032] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A multi-layer filtering screen machine for sewage treatment, comprising a housing (1) and a filtering screen (2), characterized in that: A partition plate (11) is fixedly provided on the inner surface of the shell (1); the filter grille (2) is slidably fitted with the inner surface of the shell (1); a slag cleaning component (3) is connected to the filter grille (2) and the shell (1); and an impurity recovery component (4) is connected to the shell (1); The slag cleaning component (3) comprises a fixed frame (31), a slide groove (36) is provided on the inner surface of the shell (1), a slider (37) is slidably provided in the slide groove (36), the slider (37) is fixedly connected to the filter grille (2), the fixed frame (31) is fixedly connected to the inner surface of the shell (1), a first spring (35) is fixedly provided on the upper surface of the fixed frame (31), the upper end of the first spring (35) is fixedly connected to the lower surface of the filter grille (2), a driving motor (32) is fixedly provided on the side of the shell (1), a connecting rod (33) is provided at the output end of the driving motor (32), the connecting rod (33) passes through the slide groove (36), a cam (34) is fixedly provided on the outer surface of the connecting rod (33), and the cam (34) is rotatably fitted with the lower surface of the filter grille (2).

2. A multi-layer filtering sewage treatment screen machine as claimed in claim 1, characterized in that: The impurity recovery component (4) comprises a recovery box (41), the recovery box (41) is movably inserted into the interior of the shell (1), a connection block (43) is fixedly provided on the lower surface of the recovery box (41), a connection port (44) is provided on the side of the connection block (43), a connection groove (431) is fixedly provided on the side of the shell (1) close to the recovery box (41), the connection block (43) is movably fitted with the inner surface of the connection groove (431), a square groove (46) is provided on the side of the shell (1), a second spring (47) is fixedly provided on the inner surface of the square groove (46), a movable plate (48) is fixedly provided on the other end of the second spring (47), a limit block (49) is fixedly provided on the side of the movable plate (48) away from the second spring (47), the limit block (49) movably passes through the connection groove (431), and the limit block (49) is movably inserted in the connection port (44).

3. A multi-layer filtering sewage treatment screen machine as claimed in claim 1, characterized in that: A fixed shell (38) is provided on the side of the housing (1), and the drive motor (32) is fixedly connected inside the fixed shell (38).

4. A multi-layer filtering sewage treatment screen machine as claimed in claim 1, characterized in that: A plurality of the first springs (35) are provided, and the first springs (35) are distributed in an array between the fixing frame (31) and the filtering grid (2).

5. A multi-layer filtering screen machine for sewage treatment as claimed in claim 1, characterized in that: Two fixing frames (31) are provided, and the fixing frames (31) are distributed in an array on the inner surface of the housing (1).

6. A multi-layer filtering sewage treatment screen machine as claimed in claim 2, characterized in that: A sealing strip (42) is fixedly provided on one side of the recovery box (41) close to the shell (1), a sealing groove (421) is provided on the side of the shell (1), and the sealing strip (42) is in active contact with the inner surface of the sealing groove (421).

7. A multi-layer filtering sewage treatment screen machine as claimed in claim 2, characterized in that: A notch (481) is formed on one side of the movable plate (48).

8. A multi-layer filtering screen machine for sewage treatment as claimed in claim 2, characterized in that: A pull rod (45) is fixedly provided on a side of the recovery box (41) away from the housing (1).

Images