Slag scraper of high-speed air flotation equipment

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a slag scraper of high-speed air flotation equipment, which comprises a plurality of foam scraping plates and a transmission part for driving the plurality of foam scraping plates to circularly move, the transmission part comprises a transmission chain, the plurality of foam scraping plates are arranged on the transmission chain at intervals, and cleaning assemblies for cleaning the foam scraping plates are arranged on the foam scraping plates. The cleaning assembly comprises scraping strips, the two sides of each foam scraping plate are each provided with one scraping strip equal to the foam scraping plate in length, and the scraping strips abut against the corresponding positions of the two sides of each foam scraping plate in a sliding mode. The driving part is used for driving the foam scraping plate to get close to the transmission chain and then get away from the transmission chain on the scum tank of the high-speed air flotation equipment, so that scum residues on the foam scraping plate are reduced, and the scum cleaning efficiency is improved to a certain extent.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment, and in particular to a scraper for high-speed air flotation equipment. Background Art

[0002] High-speed air flotation equipment is mainly used for water treatment. A large number of fine bubbles generated by the air flotation equipment adhere to the surface of flocculated sewage suspended matter or oil, causing it to rise to the water surface to form scum, thereby achieving solid-liquid separation. The scraper of the high-speed air flotation equipment scrapes the scum on the water surface into the scum tank. The scraper includes multiple circulating scraping plates, which move above the water surface. One side of the scraper plate pushes the scum to move and scrapes the scum into the air scum tank.

[0003] However, in the process of implementing relevant technical solutions, it was found that there are at least the following technical problems: after the scraper plate of the scraper has scraped the scum, scum will be attached to the surface of the scraper plate, and the scraper plate moves in a cycle. When the scraper plate re-enters the water body for the next scraping, the scum attached to the scraper plate will be brought into the water again, which will affect the cleaning efficiency of the scum to a certain extent. Utility Model Content

[0004] The present application solves the technical problem in the prior art that the scraper plate moves cyclically and when the scraper plate re-enters the water body for the next scraping, the scum attached to the scraper plate will be brought into the water again, affecting the cleaning efficiency of the scum to a certain extent, by providing a scraper machine with high-speed air flotation equipment. The present application reduces the scum on the scraper plate and improves the cleaning efficiency of the scum to a certain extent.

[0005] The present application provides a scraper machine for high-speed air flotation equipment, comprising a plurality of scraper plates and a transmission member for driving the plurality of scraper plates to cyclically move, the transmission member comprising a transmission chain, the plurality of scraper plates being arranged on the transmission chain at intervals, the scraper plates being provided with a cleaning component for cleaning the scraper plates, the cleaning component comprising: a scraper bar, a scraper bar of the same length as the scraper plate being arranged on both sides of the plurality of scraper plates, the scraper bar being slidably abutted against corresponding positions on both sides of the scraper plates; a driving member for driving the scraper plates to approach and then move away from the transmission chain in the direction of the scum groove of the high-speed air flotation equipment.

[0006] Furthermore, the driving member includes: a connecting plate, a plurality of the connecting plates are fixedly mounted on the transmission chain, the plurality of the connecting plates are arranged in parallel, the plurality of the scraping plates correspond one-to-one to the positions of the plurality of the connecting plates, a groove is provided on the side of the connecting plate close to the scraping plate, and the scraping plate can slide along the short side direction of the groove; a spring, a plurality of the springs are arranged in the groove, and the plurality of the springs are arranged at intervals along the long side direction of the connecting plate, one end of the spring is fixedly connected to the bottom wall of the groove, and the other end of the spring is fixedly connected to the corresponding position of the scraping plate close to the side of the connecting plate; an arc extrusion plate, fixedly mounted above the scum groove of the high-speed air flotation equipment, the scraping plate is slidably abutted against the arc extrusion plate at the two end positions of the side away from the connecting plate, and the distance between the lower end of the arc extrusion plate and the transmission chain is greater than the distance between the upper end of the arc extrusion plate and the transmission chain.

[0007] Furthermore, a plurality of limiting holes are provided on the bottom surface of the groove, and a limiting rod is fixedly connected to the side of the scraper plate close to the connecting plate and at the corresponding position of the limiting hole, and the limiting rod is slidably connected to the limiting hole at the corresponding position.

[0008] Furthermore, an L-shaped rod is provided near both ends of the two long sides of the connecting plate, the opening of the L-shaped rod faces the connecting plate, one end of the L-shaped rod is hinged to the connecting plate, a torsion spring is provided at the angle between the L-shaped rod and the connecting plate, one end of the torsion spring is fixedly connected to the L-shaped rod, the other end of the torsion spring is fixedly connected to the connecting plate, the other end of the L-shaped rod is fixedly connected with a fixing buckle, and the two ends of the scraper strip are respectively clamped with the two fixing buckles at corresponding positions.

[0009] Furthermore, the corner of the scraping surface of the scraping plate close to the water surface is arc-shaped.

[0010] Furthermore, the transmission member also includes: connecting rods, the two connecting rods are in the same horizontal plane and are arranged in parallel; gears, the four gears are respectively fixedly mounted on the two ends of the two connecting rods, the gears are coaxially arranged with the connecting rods at corresponding positions, and the two gears at the same end of the connecting rod are connected through a transmission chain; a motor, fixedly mounted on the side of one of the gears away from the connecting rod, and the motor shaft of the motor is fixedly connected to the gears at corresponding positions.

[0011] The technical solution provided by this application has at least the following technical effects or advantages:

[0012] The use of a cleaning component effectively solves the technical problem that the scraper plate in the prior art moves cyclically, and when the scraper plate re-enters the water body for the next scraping, the scum attached to the scraper plate will be brought into the water again, affecting the cleaning efficiency of the scum to a certain extent. This reduces the scum on the scraper plate and improves the cleaning efficiency of the scum to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the installation structure of the scraper in the embodiment of the present application;

[0014] Figure 2 Schematic diagram of the distribution of springs in the embodiment of the present application;

[0015] Figure 3 This is a schematic structural diagram of a spring in an initial state in an embodiment of the present application;

[0016] Figure 4 This is a schematic diagram of the structure of the spring in the embodiment of the present application in a compressed state.

[0017] Figure 5 for Figure 3 A partial enlarged view of the middle A;

[0018] In the figure: 1. scraper plate; 2. transmission part; 21. transmission chain; 22. connecting rod; 23. gear; 24. motor; 3. cleaning component; 31. scraper strip; 32. driving part; 321. connecting plate; 3211. groove; 3212. limiting hole; 322. spring; 323. arc extrusion plate; 324. limiting rod; 33. L-shaped rod; 34. torsion spring; 35. fixing buckle; 4. high-speed air flotation equipment. DETAILED DESCRIPTION

[0019] The embodiment of the present application discloses a scraper for a high-speed air flotation device, wherein a cleaning component 3 is arranged on a scraper plate 1, and the cleaning component 3 includes scraping strips 31 abutting against both sides of the scraper plate 1, and a driving member 32 driving the scraper plate 1 to approach and then move away from a direction of a transmission chain 21 on a scum groove of a high-speed air flotation device. The driving member 32 drives the scraper plate 1 to move, so that the scraping strip 31 slides and abuts against the scraper plate 1, scrapes off the scum attached to the scraper plate 1, reduces the scum on the scraper plate 1, and improves the scum cleaning efficiency to a certain extent.

[0020] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Reference Figure 1The scraper of the high-speed air flotation equipment includes a plurality of scraper plates 1, a transmission member 2 for driving the plurality of scraper plates 1 to move in a circular motion, and a cleaning assembly 3 for cleaning the scraper plates 1. The transmission member 2 includes two connecting rods 22 and a motor 24. The two connecting rods 22 are in the same horizontal plane and are arranged in parallel. A gear 23 is fixedly connected to both ends of the two connecting rods 22. The two gears 23 located on the same side of the two connecting rods 22 are connected by a transmission chain 21. The motor 24 is fixedly installed on the side of a gear 23 away from the connecting rod 22. The motor shaft of the motor 24 is fixedly connected to the gear 23 at the corresponding position. The motor shaft of the motor 24 is coaxially arranged with the gear 23. The motor 24 drives the gear 23 fixedly connected thereto to rotate, and drives other gears 23 to rotate at the same time through the connecting rod 22 and the transmission chain 21, so that the scraper plate 1 follows the transmission chain 21 to move in a circular motion.

[0022] Reference Figure 2-Figure 5The cleaning component 3 includes a scraper strip 31 abutting against both sides of the scraper plate 1, and a driving member 32 that drives the scraper plate 1 to move closer to and then away from the transmission chain 21 on the scum groove of the high-speed air flotation device 4. The driving member 32 includes a plurality of parallel connecting plates 321. The two ends of the side of the connecting plate 321 close to the transmission chain 21 are respectively fixedly connected to the two transmission chains 21. The plurality of connecting plates 321 correspond to the positions of the plurality of scraper plates 1 one by one. A groove 3211 is provided on the side of the connecting plate 321 close to the scraper plate 1. The scraper plate 1 can slide along the short side direction of the groove 3211. The groove 3211 is provided with a plurality of elastic Spring 322, multiple springs 322 are arranged at intervals along the long side direction of the connecting plate 321, one end of the spring 322 is fixedly connected to the bottom wall of the groove 3211, and the other end of the spring 322 is fixedly connected to the corresponding position of the side of the scraper plate 1 close to the connecting plate 321, and the bottom surface of the groove 3211 is provided with multiple limiting holes 3212, and the side of the scraper plate 1 close to the connecting plate 321 and the corresponding position of the limiting hole 3212 are fixedly connected with a limiting rod 324, and the limiting rod 324 is slidably connected with the limiting groove at the corresponding position to limit the moving direction of the scraper plate 1, so that the scraper plate 1 moves along the short side direction of the slide groove, and the high-speed air flotation equipment The arc-shaped extrusion plate 323 is fixedly installed above the scum groove 4, and the two ends of the side of the scraper plate 1 away from the connecting plate 321 are slidably abutted against the arc-shaped extrusion plate 323, and the distance between the lower end of the arc-shaped extrusion plate 323 and the transmission chain 21 is greater than the distance between the upper end of the arc-shaped extrusion plate 323 and the transmission chain 21. After the scraper plate 1 enters from the bottom end of the arc-shaped extrusion plate 323, as the scraper plate 1 continues to move upward, the spring 322 is compressed by pressure, and the scraper plate 1 moves toward the transmission chain 21. At this time, the scraper strip 31 slides and abuts against both sides of the scraper plate 1, pushing the scum on the scraper plate 1 together, and the scum gathers The scraping surface of the scraping plate 1 is close to the water surface, and the corner of the scraping surface of the scraping plate 1 close to the water surface is arc-shaped, which is convenient for the scraping plate 1 to enter the arc-shaped extrusion plate 323.

[0023] Reference Figure 3-Figure 5An L-shaped rod 33 is provided near the two ends of the two long sides of the connecting plate 321, and the opening of the L-shaped rod 33 faces the connecting plate 321. One end of the L-shaped rod 33 is hinged to the connecting plate 321, and a torsion spring 34 is provided at the angle between the L-shaped rod 33 and the connecting plate 321. One end of the torsion spring 34 is fixedly connected to the L-shaped rod 33, and the other end of the torsion spring 34 is fixedly connected to the connecting plate 321. The other end of the L-shaped rod 33 is fixedly connected with a fixing buckle 35. The two ends of the scraper strip 31 are respectively clamped with the two fixing buckles 35 at the corresponding positions, and the torsion spring 34 makes the scraper strip 31 abut against the foam scraping plate 1.

[0024] The working principle of the embodiment of the present application is: the transmission member 2 is installed on the high-speed air flotation equipment 4, and then the arc-shaped extrusion plate 323 is installed above the scum groove of the high-speed air flotation equipment 4. The transmission member 2 drives the scraper plate 1 to move in a circular motion. After the scraper plate 1 sends the scum into the scum groove of the high-speed air flotation equipment 4, it continues to move. After the scraper plate 1 enters from the bottom end of the arc-shaped extrusion plate 323, as the scraper plate 1 continues to move upward, the spring 322 is compressed under pressure, and the scraper plate 1 moves toward the transmission chain 21. At this time, the scraper bar 31 slides and abuts against both sides of the scraper plate 1 to scrape off the scum on the scraper plate 1. After the scraper plate 1 goes out from the other end of the arc-shaped extrusion plate 323, the scraper plate 1 is away from the transmission chain 21, and the scraper plate 1 returns to the initial position, thereby reducing the residual scum on the scraper plate 1 and improving the scum cleaning efficiency to a certain extent.

[0025] 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.

[0026] What has been described above is only a preferred specific implementation manner of the embodiments of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. The scraper of high-speed air flotation equipment is characterized by: The invention comprises a plurality of scraping plates (1) and a transmission member (2) for driving the plurality of scraping plates (1) to move cyclically, the transmission member (2) comprising a transmission chain (21), the plurality of scraping plates (1) being arranged at intervals on the transmission chain (21), the scraping plates (1) being provided with a cleaning component (3) for cleaning the scraping plates (1), the cleaning component (3) comprising: A scraping strip (31), wherein each of the two sides of the plurality of scraping plates (1) is provided with a scraping strip (31) of the same length as the scraping plate (1), and the scraping strip (31) is in sliding contact with corresponding positions on both sides of the scraping plate (1); The driving member (32) is used to drive the scraper plate (1) to move toward and then away from the transmission chain (21) on the scum groove of the high-speed air flotation device (4).

2. The scraper of the high-speed air flotation equipment according to claim 1, characterized in that: The driving member (32) comprises: A connecting plate (321), a plurality of the connecting plates (321) are fixedly mounted on the transmission chain (21), the plurality of the connecting plates (321) are arranged in parallel, the plurality of the scraping plates (1) correspond to the plurality of the connecting plates (321) in one-to-one position, a groove (3211) is provided on the side of the connecting plate (321) close to the scraping plate (1), and the scraping plate (1) can slide along the short side direction of the groove (3211); A spring (322), wherein a plurality of the springs (322) are arranged in the groove (3211), and the plurality of the springs (322) are arranged at intervals along the long side direction of the connecting plate (321), one end of the spring (322) is fixedly connected to the bottom wall of the groove (3211), and the other end of the spring (322) is fixedly connected to a corresponding position of the side edge of the scraping plate (1) close to the connecting plate (321); The arc-shaped extrusion plate (323) is fixedly mounted above the scum groove of the high-speed air flotation device (4); the two ends of the side of the scraper plate (1) away from the connecting plate (321) are in sliding contact with the arc-shaped extrusion plate (323); the distance between the lower end of the arc-shaped extrusion plate (323) and the transmission chain (21) is greater than the distance between the upper end of the arc-shaped extrusion plate (323) and the transmission chain (21).

3. The scraper of the high-speed air flotation equipment according to claim 2, characterized in that: A plurality of limiting holes (3212) are provided on the bottom surface of the groove (3211); a limiting rod (324) is fixedly connected to the side edge of the scraper plate (1) close to the connecting plate (321) and the corresponding position of the limiting hole (3212); and the limiting rod (324) is slidably connected to the limiting hole at the corresponding position.

4. The scraper of the high-speed air flotation equipment according to claim 2, characterized in that: An L-shaped rod (33) is disposed near both ends of the two long sides of the connecting plate (321); the opening of the L-shaped rod (33) faces the connecting plate (321); one end of the L-shaped rod (33) is hinged to the connecting plate (321); a torsion spring (34) is disposed at an angle between the L-shaped rod (33) and the connecting plate (321); one end of the torsion spring (34) is fixedly connected to the L-shaped rod (33); the other end of the torsion spring (34) is fixedly connected to the connecting plate (321); the other end of the L-shaped rod (33) is fixedly connected to a fixing buckle (35); and the two ends of the scraper strip (31) are respectively clamped to the two fixing buckles (35) at corresponding positions.

5. The scraper of the high-speed air flotation equipment according to claim 2, characterized in that: The corner of the scraping surface of the scraping plate (1) close to the water surface is arc-shaped.

6. The scraper of the high-speed air flotation equipment according to claim 1, characterized in that: The transmission member (2) further comprises: Connecting rods (22), wherein the two connecting rods (22) are located in the same horizontal plane and are arranged in parallel; Gears (23), four gears (23) are respectively fixedly mounted on both ends of the two connecting rods (22), the gears (23) are coaxially arranged with the connecting rods (22) at corresponding positions, and the two gears (23) located at the same end of the connecting rod (22) are transmission-connected via a transmission chain (21); The motor (24) is fixedly mounted on a side of the gear (23) away from the connecting rod (22), and the motor shaft of the motor (24) is fixedly connected to the gear (23) at a corresponding position.

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