Scum collecting device of sewage treatment tank

Abstract

The invention belongs to the technical field of scum collecting devices, and discloses a scum collecting device of a sewage treatment pond, which comprises a floating frame and a scum collecting box, two rotating shafts are rotatably arranged on the floating frame, a driving motor is fixedly arranged on the floating frame, and an output shaft of the driving motor is fixedly arranged with one of the rotating shafts. Chain wheels are fixedly arranged at the two ends of the two rotating shafts, the two chain wheels at the same ends of the two rotating shafts are in transmission connection through chains, and scum collecting mechanisms are uniformly and fixedly arranged between the two chains; a cleaning mechanism for cleaning the scum collecting mechanism and two pushing mechanisms for driving the floating frame to move are arranged on the floating frame, and the two pushing mechanisms are in transmission connection with the corresponding rotating shafts through the cleaning mechanism; according to the invention, through cooperative use of the top plate and the bottom plate, the water filtering effect in the process of transferring scum by the bottom plate next time can be ensured, and meanwhile, residual scum is prevented from entering sewage again.

Description

Technical Field

[0001] The invention belongs to the technical field of scum collecting devices, in particular to a scum collecting device for a sewage treatment tank. Background Art

[0002] In the process of treating sewage in the sewage treatment pool, a large amount of scum will be generated on the surface of the sewage, which needs to be removed by equipment; for example, according to the patent document with the authorization announcement number CN217230269U, a scum collecting device for sewage treatment pool is disclosed, including a pool body, a driving screw is installed on both sides of the pool body, the surface of the driving screw is threadedly connected with a screw nut, the upper surface of the two screw nuts is fixedly connected with the same cross frame, the surface of the cross frame is plugged with two vertical rods, and the bottom of the two vertical rods extends to the bottom of the cross frame and is fixedly connected with the same bidirectional filter shovel. The scum collecting device for sewage treatment pool adopts a servo motor and a driving screw connection, and controls the servo motor to rotate forward or reverse through the control system of the servo motor, so as to achieve the effect of moving the bidirectional filter shovel to the left and right. Since the bidirectional filter shovel has two buckets, it can collect scum whether it is to the left or to the right. Under the action of the triangular auxiliary block and the auxiliary inclined surface, the bidirectional filter shovel enters the inside of the discharge recess, and the staff can use tools to scrape out the scum inside the bucket bin, thereby having the effect of efficiently collecting scum and saving energy, but its defects are:

[0003] After each scum is scooped out, some scum will still remain on the surface of the bucket. On the one hand, these scum will fall into the sewage when the bucket enters the sewage again. On the other hand, too much residual scum will cause the water filtration effect to decrease when scooped out next time, so that the bucket will bring out a large amount of sewage. In addition, the size of the driving screw and the two-way filter shovel must be determined according to the size of the pool body. When the pool body area is large, the size of the driving screw and the two-way filter shovel will be larger, which will lead to increased costs. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a scum collecting device for a sewage treatment tank, which effectively solves the problems raised by the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a scum collecting device for a sewage treatment tank, comprising a floating water frame floating in the sewage treatment tank and a scum collecting box arranged at the rear end of the floating water frame, a chain conveying mechanism is obliquely arranged at the front end of the floating water frame, the chain conveying mechanism comprises two rotating shafts, both rotating shafts are rotatably connected with the floating water frame, one rotating shaft is located below the water surface, and the other rotating shaft is located above the scum collecting box, sprockets are fixedly arranged at both ends of the two rotating shafts, two sprockets at the same end of the two rotating shafts are connected by chain transmission, a plurality of scum collecting mechanisms are evenly arranged between the two chains along the circumference of the chains, a cleaning mechanism for cleaning the scum collecting mechanism and a driving mechanism for driving the floating water frame to move in the sewage treatment tank are arranged on the floating water frame, and the driving mechanism, the cleaning mechanism and the rotating shaft are all connected to the power system by transmission;

[0006] The scum collecting mechanism includes a bottom plate fixed between two chains and a top plate slidably connected to the bottom plate, a first through hole is evenly formed on the bottom plate, a second through hole is evenly formed on the top plate, the bottom plate is vertically arranged relative to the top plate, and the top plate and the bottom plate are abutted against each other, a sliding rod is fixedly arranged on the bottom plate along the width direction of the bottom plate, a sliding block is slidably arranged on the sliding rod, sliding grooves adapted to the sliding block are arranged at both ends of the top plate, a strip hole adapted to the top plate is opened on the bottom plate, when the top plate slides to the upper side of the strip hole, the top plate falls into the strip hole under the action of its own gravity, a first magnetic block is fixedly arranged on a side of the top plate close to the bottom plate, a plurality of second magnetic blocks are arranged on the inner side of the floating frame, the second magnetic block is arranged parallel to the first magnetic block, and the magnetism of two adjacent second magnetic blocks is opposite.

[0007] Preferably, the power system includes a drive motor fixed on the floating frame, and the drive motor is drivingly connected to one of the rotating shafts.

[0008] Preferably, the cleaning mechanism includes a cleaning roller, which is rotatably arranged on a floating frame, a cleaning brush is fixedly arranged on the cleaning roller, a first gear is fixedly arranged at the end of the cleaning roller, a second gear is fixedly arranged at the end of the rotating shaft, and the second gear meshes with the first gear.

[0009] Preferably, the driving mechanism includes a pushing mechanism arranged on both sides of the floating frame, the two pushing mechanisms have the same structure, the pushing mechanism includes a short shaft, the short shaft is rotatably arranged on the outer wall of the floating frame, blades are evenly fixed on the short shaft, a driving pulley is fixed on the short shaft, a driven pulley is fixed on the cleaning roller, and the driven pulley is connected to the driving pulley through a synchronous belt transmission.

[0010] Preferably, inner guard plates are symmetrically arranged on the inner side of the floating frame, the rotating shaft and the inner guard plates are rotatably arranged, the chain is located between the floating frame and the inner guard plates, and both ends of each second magnetic block are fixedly arranged on the two inner guard plates respectively.

[0011] Preferably, guide plates are symmetrically fixedly provided on one end of the floating water frame away from the scum collecting box, and the two guide plates are distributed in an eight-shaped shape.

[0012] Preferably, a strip groove is provided on the bottom outer wall of the scum collection box, the bottom end of the strip groove is opened, a water-permeable hole is provided on the top outer wall of the scum collection box, a pad is symmetrically fixed on the inner wall of the scum collection box, a filter frame is placed above the pad, and handles are symmetrically fixed on the filter frame.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1) During operation, the scum in the sewage can be gathered and transferred to the interior of the scum collection box through the coordinated use of the scum collection mechanism, the guide plate and the scum collection box;

[0015] 2) During operation, by using the top plate and the bottom plate in coordination, after the scum reaches the top of the floating frame and changes direction and falls, the top plate can automatically clean the scum remaining on the bottom plate by its own gravity, so as to ensure the water filtering effect in the next scum transfer process of the bottom plate, and prevent the remaining scum from entering the sewage again;

[0016] 3) By using the first magnetic block and the second magnetic block in cooperation, the top plate can be made to reciprocate in the strip hole on the bottom plate by magnetic adsorption, so that the scum remaining on the top plate can be cleaned by the vibration of the strip hole and the top plate, which is more convenient;

[0017] 4) The cleaning mechanism is provided so that the inner surface of the bottom plate can be cleaned while the bottom plate is driven by the chain, thereby further improving the cleaning effect of the bottom plate;

[0018] 5) Since the device can float on the water surface, even if the sewage treatment pool is large in area, it can still collect the scum without changing its own size, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0020] In the attached picture:

[0021] Figure 1 It is a schematic structural diagram of a scum collecting device for a sewage treatment pool of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the driving mechanism of the present invention;

[0023] Figure 3 It is a schematic diagram of the sprocket and chain installation structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the scum collection mechanism of the present invention;

[0025] Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle;

[0026] Figure 6 It is a schematic diagram of the cleaning mechanism structure of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the slag collection box of the present invention.

[0028] In the figure: 1, floating frame; 2, scum collecting box; 201, strip groove; 202, water permeable hole; 203, pad; 204, filter frame; 205, handle; 3, rotating shaft; 4, sprocket; 5, chain; 6, scum collecting mechanism; 601, bottom plate; 602, top plate; 603, first through hole; 604, connecting block; 605, support; 606, slide rod; 607, slide block; 608, second through hole; 609, slide groove; 610, strip hole; 611, first magnetic block; 612, second magnetic block; 7, cleaning mechanism; 701, cleaning roller; 702, cleaning brush; 703, first gear; 704, second gear; 8, driving mechanism; 801, short shaft; 802, blade; 803, driving pulley; 804, driven pulley; 805, synchronous belt; 9, driving motor; 10, inner guard plate; 11, guide plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; 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.

[0030] Embodiment 1, by Figure 1-7The present invention relates to a scum collecting device for a sewage treatment pool, comprising a floating water frame 1 and a scum collecting box 2, the floating water frame 1 is rotatably provided with two rotating shafts 3 and a driving motor 9 is fixedly provided, the output shaft of the driving motor 9 is fixedly provided with one of the rotating shafts 3, sprocket wheels 4 are fixedly provided at both ends of the two rotating shafts 3, the two sprocket wheels 4 at the same end of the two rotating shafts 3 are transmission-connected by a chain 5, in order to facilitate the treatment of scum generated during the sewage treatment process, a scum collecting mechanism 6 is evenly and fixedly provided between the two chains 5, the floating water frame 1 is provided with a cleaning mechanism 7 for cleaning the scum collecting mechanism 6 and two pushing mechanisms 8 for driving the floating water frame 1 to move, the two pushing mechanisms 8 are transmission-connected with the corresponding rotating shaft 3 through the cleaning mechanism 7; in order to reduce the scum collection The resistance received by the collecting mechanism 6 when running in the sewage, and in order to ensure the water filtering effect of the scum collecting mechanism 6 in the process of transferring the scum, the scum collecting mechanism 6 includes a bottom plate 601 and a top plate 602, the bottom plate 601 is vertically arranged relative to the top plate 602, wherein the bottom plate 601 is evenly provided with first through holes 603, both ends of the bottom plate 601 are fixedly provided with connecting blocks 604, the two connecting blocks 604 are respectively fixedly provided with two chains 5, and each corner of the bottom plate 601 is fixedly provided with a support 605, and a sliding rod 606 is fixedly provided between the corresponding two supports 605, and a sliding block 607 is slidably provided on the sliding rod 606, wherein the top plate 602 is evenly provided with second through holes 608, and both sides of the top plate 602 are provided with sliding grooves 609, and the sliding grooves 609 are slidably matched with the sliding blocks 607;

[0031] With such a design, when in use, the floating frame 1 floats on the water surface of the sewage treatment tank, and a part of the floating frame 1 extends below the water surface, so as to collect and process the scum. Specifically, the driving motor 9 drives the rotating shaft 3 located above to rotate, and the rotating shaft 3 drives the two pushing mechanisms 8 to move through the cleaning mechanism 7, and the floating frame 1 is moved inside the sewage treatment tank through the two pushing mechanisms 8; at the same time, the rotating shaft 3 drives the sprocket 4 thereon to rotate, and the sprocket 4 drives the chain 5 to move, so that the chain 5 drives the scum collecting mechanism 6 to move in a circular trajectory, and the scum collecting mechanism 6 collects the scum in the sewage treatment tank and transfers it to the inside of the scum collecting box 2 for storage; wherein the specific working process of the scum collecting mechanism 6 is as follows:

[0032] First, the two chains 5 drive the bottom plate 601 to move through the corresponding connecting blocks 604, and the bottom plate 601 drives the top plate 602 thereon to move. When the top plate 602 enters the water and contacts the scum, the top plate 602 is resisted by the sewage and the scum, so that the top plate 602 in the scum collecting mechanism 6 above falls to the bottom end of the corresponding bottom plate 601. The bottom plate 601 and the top plate 602 form an L shape as a whole. The scum in the sewage treatment pool is scraped by the L-shaped bottom plate 601 and the top plate 602, so that the scum remains above the bottom plate 601 and is blocked by the top plate 602. With the movement of the two chains 5, When the bottom plate 601 with scum moves from the bottom end of the floating frame 1 to the top end of the floating frame 1, water is filtered through the first through hole 603 on the bottom plate 601 and the second through hole 608 on the top plate 602. As the two chains 5 rotate, the scum in the bottom plate 601 falls into the inside of the scum collecting box 2 under the action of gravity. At the same time, under the action of the gravity of the top plate 602, the top plate 602 slides along the bottom plate 601, and the scum attached to the outer surface of the bottom plate 601 is pushed out through the top plate 602, thereby ensuring the water filtering effect of the scum next time and preventing the residual scum from entering the sewage treatment tank again.

[0033] Furthermore, in order to clean the scum remaining on the top plate 602, a strip hole 610 is opened on the bottom plate 601, a first magnetic block 611 is fixedly arranged on one side of the top plate 602 close to the bottom plate 601, and a plurality of second magnetic blocks 612 are arranged on the inner side of the floating frame 1, the second magnetic blocks 612 are arranged parallel to the first magnetic blocks 611, and the magnetism of two adjacent second magnetic blocks 612 is opposite;

[0034] In this design, when the bottom plate 601 in the scum collecting mechanism 6 changes its moving direction at the top of the floating frame 1, the top plate 602 moves to the position of the bottom plate 601 close to the strip hole 610 under the gravity of the top plate 602, and then when it moves to the position of the second magnetic block 612, the first magnetic block 611 on the top plate 602 is firstly magnetically attracted by the uppermost second magnetic block 612, so that the top plate 602 moves upward in the strip hole 610, and the scum on the top plate 602 is removed by the strip hole 610. The scum is cleaned, and then under the action of the remaining second magnetic blocks 612, the top plate 602 reciprocates in the bar hole 610 to improve the cleaning effect. When the top plate 602 leaves the area of ​​the second magnetic block 612, under the action of the gravity of the top plate 602, the top plate 602 moves out of the bar hole 610, and as the top plate 602 moves into the sewage and is gradually blocked by the scum, the top plate 602 moves to the end of the bottom plate 601 away from the bar hole 610, so that the scum can be collected again.

[0035] Considering that scum may enter the interior of the chute 609 and the contact point between the slider 607 and the slide rod 606 during actual use, a flexible protective cover can be provided on the outside of the slider 607 and the chute 609 and the outside of the slide rod 606 according to actual needs to prevent the entry of scum.

[0036] In order to facilitate the cleaning of the inner surface of the bottom plate 601 and further enhance the cleaning effect of the first through hole 603 thereon, the cleaning mechanism 7 includes a cleaning roller 701, the cleaning roller 701 is rotatably arranged on the floating frame 1, a cleaning brush 702 is fixedly arranged on the cleaning roller 701, a first gear 703 is fixedly arranged at the end of the cleaning roller 701, and a second gear 704 is fixedly arranged at the end of the rotating shaft 3, and the second gear 704 is meshed with the first gear 703;

[0037] This design makes it easy to drive the second gear 704 to rotate through the rotating shaft 3, the second gear 704 drives the first gear 703 to rotate through meshing, the first gear 703 drives the cleaning roller 701 to rotate, and the cleaning brush 702 on the cleaning roller 701 cleans the bottom plate 601 passing through here.

[0038] In order to facilitate the movement of the floating frame 1 inside the sewage treatment tank, the two driving mechanisms 8 have the same structure. The driving mechanism 8 includes a short shaft 801, which is rotatably arranged on the outer wall of the floating frame 1, and blades 802 are evenly fixed on the short shaft 801. A driving pulley 803 is fixedly arranged on the short shaft 801, and a driven pulley 804 is fixedly arranged on the cleaning roller 701. The driven pulley 804 is connected to the driving pulley 803 through a synchronous belt 805.

[0039] In this design, the cleaning roller 701 drives the driven pulley 804 thereon to rotate, and the driven pulley 804 drives the short shaft 801 to rotate through the active pulley 803, and the blades 802 on the short shaft 801 move the sewage to facilitate the movement of the floating frame 1.

[0040] An inner guard plate 10 is symmetrically arranged on the inner side of the floating frame 1, the rotating shaft 3 and the inner guard plate 10 are rotatably arranged, the chain 5 is located between the floating frame 1 and the inner guard plate 10, and the two ends of each second magnetic block 612 are fixed to the two inner guard plates 10 respectively; this design facilitates the protection of the chain 5 by the inner guard plate 10.

[0041] A guide plate 11 is symmetrically fixedly arranged on one end of the floating water frame 1 away from the scum collection box 2, and the two guide plates 11 are distributed in an eight-shaped shape; this design makes it easy to gather the scum in the sewage treatment tank through the two guide plates 11, so that the scum can be collected by the scum collection mechanism 6.

[0042] The bottom outer wall of the scum collecting box 2 is provided with a strip groove 201, the bottom end of the strip groove 201 is open, the top outer wall of the scum collecting box 2 is provided with a water permeable hole 202, the inner wall of the scum collecting box 2 is symmetrically fixed with a pad 203, a filter frame 204 is placed above the pad 203, and a handle 205 is symmetrically fixed on the filter frame 204;

[0043] With this design, when the scum is transferred to the interior of the scum collecting box 2, it will fall into the interior of the filter frame 204. At this time, the sewage in the scum can be discharged through the water-permeable holes 202 and the strip grooves 201 and fall back into the interior of the sewage treatment tank. When a lot of scum accumulates, the filter frame 204 can be removed from the floating frame 1 by the handle 205, which is more convenient.

[0044] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A scum collecting device for a sewage treatment tank, comprising a floating frame (1) floating in the sewage treatment tank and a scum collecting box (2) arranged at the rear end of the floating frame (1), a chain conveying mechanism being arranged obliquely at the front end of the floating frame (1), the chain conveying mechanism comprising two rotating shafts (3), both rotating shafts (3) being rotatably connected to the floating frame (1), one rotating shaft (3) being located below the water surface, and the other rotating shaft (3) being located above the scum collecting box (2), and both ends of the two rotating shafts (3) being fixedly provided with The sprocket (4) and the two sprockets (4) at the same end of the two rotating shafts (3) are connected by a chain (5), a plurality of scum collecting mechanisms (6) are evenly arranged between the two chains (5) along the circumference of the chain (5), a cleaning mechanism (7) for cleaning the scum collecting mechanism (6) and a driving mechanism (8) for driving the floating frame (1) to move in the sewage treatment tank are arranged on the floating frame (1), and the driving mechanism (8), the cleaning mechanism (7) and the rotating shaft (3) are all connected by a power system; The scum collecting mechanism (6) comprises a bottom plate (601) fixed between two chains (5) and a top plate (602) slidably connected to the bottom plate (601); first through holes (603) are evenly formed on the bottom plate (601); second through holes (608) are evenly formed on the top plate (602); the bottom plate (601) is vertically arranged relative to the top plate (602); and the top plate (602) and the bottom plate (601) are arranged in contact with each other on one side; a sliding rod (606) is fixedly arranged on the bottom plate (601) along the width direction of the bottom plate (601); a sliding block (607) is slidably arranged on the sliding rod (606); and two ends of the top plate (602) are arranged A slide groove (609) is provided which is adapted to the slider (607); a strip hole (610) is provided on the bottom plate (601) which is adapted to the top plate (602); when the top plate (602) slides to the upper side of the strip hole (610), the top plate (602) falls into the strip hole (610) under the action of its own gravity; a first magnetic block (611) is fixedly provided on one side of the top plate (602) close to the bottom plate (601); a plurality of second magnetic blocks (612) are provided on the inner side of the floating frame (1); the second magnetic blocks (612) are arranged in parallel with the first magnetic blocks (611), and the magnetism of two adjacent second magnetic blocks (612) is opposite.

2. The scum collecting device for a sewage treatment pool according to claim 1, characterized in that: The power system comprises a driving motor (9) fixed on the floating frame (1), and the driving motor (9) is drivingly connected to one of the rotating shafts (3).

3. The scum collecting device for a sewage treatment pool according to claim 1, characterized in that: The cleaning mechanism (7) comprises a cleaning roller (701) which is rotatably arranged on the floating frame (1); a cleaning brush (702) is fixedly arranged on the cleaning roller (701); a first gear (703) is fixedly arranged at the end of the cleaning roller (701); a second gear (704) is fixedly arranged at the end of the rotating shaft (3); and the second gear (704) is meshed with the first gear (703).

4. The scum collecting device for a sewage treatment pool according to claim 3, characterized in that: The driving mechanism (8) comprises a pushing mechanism arranged on both sides of the floating frame (1), the two pushing mechanisms have the same structure, and the pushing mechanism comprises a short shaft (801), the short shaft (801) is rotatably arranged on the outer wall of the floating frame (1), blades (802) are evenly fixedly arranged on the short shaft (801), a driving pulley (803) is fixedly arranged on the short shaft (801), a driven pulley (804) is fixedly arranged on the cleaning roller (701), and the driven pulley (804) and the driving pulley (803) are connected to each other through a synchronous belt (805).

5. The scum collecting device for a sewage treatment pool according to claim 2, characterized in that: An inner guard plate (10) is symmetrically arranged on the inner side of the floating frame (1), the rotating shaft (3) and the inner guard plate (10) are rotatably arranged, the chain (5) is located between the floating frame (1) and the inner guard plate (10), and the two ends of each second magnetic block (612) are respectively fixedly arranged on the two inner guard plates (10).

6. The scum collecting device for a sewage treatment pool according to claim 1, characterized in that: A guide plate (11) is symmetrically fixedly arranged at one end of the floating water frame (1) away from the scum collecting box (2), and the two guide plates (11) are distributed in an eight-shaped shape.

7. The scum collecting device for a sewage treatment pool according to claim 1, characterized in that: The bottom outer wall of the scum collection box (2) is provided with a strip groove (201), the bottom end of the strip groove (201) is open, the top outer wall of the scum collection box (2) is provided with a water permeable hole (202), a pad (203) is symmetrically fixedly arranged on the inner wall of the scum collection box (2), a filter frame (204) is placed above the pad (203), and a handle (205) is symmetrically fixedly arranged on the filter frame (204).

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