Landfill sludge screening mechanism

Abstract

The utility model discloses a landfill sludge screening mechanism which comprises a screening box, the top of the screening box is open, the interior of the screening box is hollow and provided with a containing cavity, opening grooves are formed in the two side walls of the screening box, and a first opening is formed in the opposite side of the screening box; the screening net is provided with screening holes, the screening net is located in the containing cavity of the screening box, the screening net is inserted into the screening box from the first opening, the two sides of the screening net are located in the opening grooves, and the screening net can horizontally move along the opening grooves; the vibrating mechanism is arranged below the screening box and used for reserving a space between the vibrating mechanism and the ground and vibrating the screening box in the horizontal direction and the vertical direction. The driving motor can drive the gear and drive the rack to move horizontally, the screen slides out, cleaning and maintenance of the filter screen are achieved, the horizontal vibration effect and the longitudinal vibration effect of the screening box are achieved through the first compression spring and the second compression spring, and the screening effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge screening, in particular to a landfill sludge screening mechanism. Background Art

[0002] More and more industrial enterprises adopt landfill to deal with the sludge they produce. There are some recyclable impurities in the sludge garbage. Direct landfill will cause environmental pollution and waste of resources. The landfill sludge needs to be screened. The screen used in the existing sludge screening mechanism is usually an integrated design or a screw-fixed design. When the particle size is consistent with the screen particle size, the filter is easily blocked, resulting in low screening efficiency and troublesome disassembly of the filter. Based on this, a landfill sludge screening mechanism is designed. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a landfill sludge screening mechanism. The gear can be driven by a driving motor to drive the rack to move horizontally, so that the screen can be slid out to clean and repair the filter, and the horizontal and longitudinal vibration effects of the screening box can be achieved by the first compression spring and the second compression spring, so that the screening effect is better.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A landfill sludge screening mechanism comprises: a screening box, the top of which is open and the interior is hollow with a accommodating cavity, and the two side walls of the screening box are provided with open slots, and one opposite side of the screening box has a first opening; a screen, the screen is provided with screening holes, the screen is located in the accommodating cavity of the screening box, the screen is inserted into the screening box from the first opening, and the two sides of the screen are located in the open slots and can move horizontally along the open slots; a vibration mechanism, the vibration mechanism is arranged below the screening box, and is used to reserve space between the screen and the ground and vibrate the screening box in the horizontal and vertical directions.

[0006] By adopting the above scheme, the gear can be driven by the driving motor to drive the rack to move horizontally, the screen can be slid out, and the filter can be cleaned and repaired. In addition, the horizontal vibration and longitudinal vibration effects of the screening box can be achieved by the first compression spring and the second compression spring, and the screening effect is better.

[0007] Furthermore, a sealing cover is provided at the top opening of the screening box, and the sealing cover is rotatably connected to a side wall of the screening box and is used to cover the opening of the screening box.

[0008] By adopting the above scheme, it is convenient to cover and seal it during screening.

[0009] Furthermore, the vibration mechanism includes: a vibration motor, which is installed at the bottom of the screening box; a support frame, which is installed at the bottom of the screening box, and the two ends of the support frame are located on the outer surfaces of the two side walls of the screening box; wherein, a first compression spring is connected between the two ends of the support frame and the side walls of the screening box, and a second compression spring is connected between the bottom of the screening box and the support frame.

[0010] By adopting the above solution, the horizontal vibration and vertical vibration effects of the screening box are achieved through the vibration motor in combination with the first compression spring and the second compression spring.

[0011] Furthermore, a first guide plate is provided on the outer surface of the screening box and below the first opening to facilitate the material above the screen to slide out.

[0012] By adopting the above solution, it is convenient for materials with particle sizes larger than the sieve holes to be discharged from the first guide plate.

[0013] Further, an opposite side of the screening box has a second opening, a second guide plate is arranged inside the screening box and below the screen, and the second guide plate extends through the opening to the outside of the screening box.

[0014] By adopting the above solution and designing the second opening, it is convenient to discharge the sludge that passes through the filter screen.

[0015] Furthermore, the first guide plate and the second guide plate are both arranged at an angle, and the length of the first guide plate located outside the screening box is longer than the length of the second guide plate located outside the screening box, or the length of the first guide plate located outside the screening box is shorter than the length of the second guide plate located outside the screening box.

[0016] By adopting the above scheme, the first guide plate and the second guide plate are inclined to facilitate the discharge of materials that have not passed through the screen and the sludge that has passed through the screen, and the first guide plate and the second guide plate outside the screening box are set to different lengths to facilitate collection below the ends of the first guide plate and the second guide plate.

[0017] Furthermore, racks are provided on the upper surfaces of both sides of the screen, and driving motors are provided on the inner walls of both sides of the screening box. The output shaft of the driving motor is transmission-connected with a gear, and the gear is meshingly connected with the racks.

[0018] By adopting the above scheme, the driving motor drives the rotation of the gear, and the gear drives the rack meshing with the gear to move horizontally, thereby achieving the horizontal movement effect of the screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0020] Figure 2 It is a front view of an embodiment of the utility model;

[0021] Figure 3 A side view of an embodiment of the utility model;

[0022] Among them, the meanings of the figure numbers are as follows: 1. screening box; 11. opening slot; 12. first opening; 13. sealing cover; 2. screen; 3. vibration mechanism; 31. vibration motor; 32. support frame; 33. first compression spring; 34. second compression spring; 4. first guide plate; 5. second opening; 6. second guide plate; 7. rack; 71. drive motor; 72. gear. DETAILED DESCRIPTION

[0023] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0027] See also Figure 1-Figure 3The utility model discloses a landfill sludge screening mechanism: comprising a screening box 1, a screen 2 and a vibration mechanism 3, the top of the screening box 1 is open and the interior is hollow with a receiving cavity, and the two side walls of the screening box 1 are provided with an open slot 11, one opposite side of the screening box 1 has a first opening 12, the screen 2 is provided with a screening hole, the screen 2 is located in the receiving cavity of the screening box 1, the screen 2 is inserted into the screening box 1 from the first opening 12, and the two sides of the screen 2 are located in the open slot 11, and can move horizontally along the open slot 11, the vibration mechanism 3 is arranged below the screening box 1, used to reserve space between the ground and vibrate the screening box 1 in the horizontal and vertical directions. The gear 72 can be driven by the driving motor 71 to drive the rack 7 to move horizontally, the screen 2 can be slid out, the filter can be cleaned and repaired, and the horizontal vibration and longitudinal vibration effects of the screening box 1 can be achieved by the first compression spring 33 and the second compression spring 34, and the screening effect is better.

[0028] In this embodiment, racks 7 are provided on the upper surfaces of both sides of the screen 2, and drive motors 71 are provided on the inner walls of both sides of the screening box 1. The output shaft of the drive motor 71 is connected to a gear 72, and the gear 72 is meshingly connected with the rack 7. The drive motor 71 drives the gear 72 to rotate, and the gear 72 drives the rack 7 meshing with it to move horizontally, thereby realizing the horizontal movement effect of the screen 2.

[0029] Specifically, the vibration mechanism 3 includes a vibration motor 31 and a support frame 32, wherein the vibration motor 31 is mounted on the bottom of the screening box 1, the support frame 32 is mounted on the bottom of the screening box 1, and the two ends of the support frame 32 are located on the outer surfaces of the two side walls of the screening box 1; wherein, a first compression spring 33 is connected between the two ends of the support frame 32 and the side walls of the screening box 1, and a second compression spring 34 is connected between the bottom of the screening box 1 and the support frame 32. The horizontal vibration and vertical vibration effects of the screening box 1 are achieved by the vibration motor 31 in combination with the first compression spring 33 and the second compression spring 34.

[0030] In this embodiment, a sealing cover 13 is provided at the top opening of the screening box 1, and the sealing cover 13 is rotatably connected to a side wall of the screening box 1 for covering the opening of the screening box 1, so as to facilitate covering and sealing it during screening.

[0031] A first guide plate 4 is provided on the outer surface of the screening box 1 and below the first opening 12, so as to facilitate the material above the screen 2 to slide out and facilitate the material with a particle size larger than the screening hole to be discharged from the first guide plate 4. A second opening 5 is provided on an opposite side of the screening box 1, and a second guide plate 6 is provided inside the screening box 1 and below the screen 2. The second guide plate 6 extends through the opening to the outside of the screening box 1. The design of the second opening 5 facilitates the discharge of sludge passing through the filter.

[0032] Specifically, the first guide plate 4 and the second guide plate 6 are both arranged at an angle, and the length of the first guide plate 4 located outside the screening box 1 is longer than the length of the second guide plate 6 located outside the screening box 1, or the length of the first guide plate 4 located outside the screening box 1 is shorter than the length of the second guide plate 6 located outside the screening box 1. The first guide plate 4 and the second guide plate 6 are arranged at an angle to facilitate the discharge of materials that have not passed through the screen 2 and the sludge that has passed through the screen 2, and the first guide plate 4 and the second guide plate 6 outside the screening box 1 are arranged at different lengths to facilitate collection below the ends of the first guide plate 4 and the second guide plate 6.

[0033] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A landfill sludge screening mechanism, characterized in that: include: A screening box, the top of which is open and the interior of which is hollow and has a receiving cavity, and both side walls of the screening box are provided with opening grooves, and one opposite side of the screening box has a first opening; A screen, wherein the screen is provided with screening holes, the screen is located in the accommodating cavity of the screening box, the screen is inserted into the screening box from the first opening, and both sides of the screen are located in the opening slots and can move horizontally along the opening slots; A vibration mechanism is arranged below the screening box, and is used to reserve space between the screening box and the ground and to vibrate the screening box in horizontal and vertical directions.

2. A landfill sludge screening mechanism according to claim 1, characterized in that: A sealing cover is arranged at the top opening of the screening box, and the sealing cover is rotatably connected to a side wall of the screening box and is used for covering the opening of the screening box.

3. A landfill sludge screening mechanism according to claim 2, characterized in that: The vibration mechanism comprises: A vibration motor, the vibration motor is mounted on the bottom of the screening box; A support frame, the support frame is mounted on the bottom of the screening box, and the two ends of the support frame are located on the outer surfaces of the two side walls of the screening box; Wherein, a first compression spring is connected between the two ends of the support frame and the side walls of the screening box, and a second compression spring is connected between the bottom of the screening box and the support frame.

4. A landfill sludge screening mechanism according to claim 3, characterized in that: A first guide plate is arranged on the outer surface of the screening box and below the first opening to facilitate the sliding out of the material above the screen.

5. A landfill sludge screening mechanism according to claim 4, characterized in that: An opposite side of the screen box has a second opening. A second guide plate is arranged inside the screen box and below the screen. The second guide plate extends through the opening to the outside of the screen box.

6. A landfill sludge screening mechanism according to claim 5, characterized in that: The first guide plate and the second guide plate are both inclined, and the length of the first guide plate located outside the screening box is longer than the length of the second guide plate located outside the screening box, or the length of the first guide plate located outside the screening box is shorter than the length of the second guide plate located outside the screening box.

7. A landfill sludge screening mechanism according to claim 6, characterized in that: Racks are arranged on the upper surfaces of both sides of the screen, and driving motors are arranged on the inner walls of both sides of the screening box. The output shaft of the driving motor is transmission-connected with a gear, and the gear is meshingly connected with the racks.

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