Cleaning device suitable for oil scraper of aerated grit chamber

Abstract

The utility model relates to a cleaning device suitable for an oil scraping plate of an aerated grit chamber, which comprises a cleaning scraping plate, a hanging frame, a mounting bracket, the oil scraping plate and the aerated grit chamber, and is characterized in that a travelling crane or a crane controls the oil scraping plate to scrape floating grease or scum in the long rectangular aerated grit chamber; the cleaning scraper is fixedly mounted at one end of the aerated grit chamber through a hanger, the hanger further comprises a mounting support, a cleaning scraper support arm and a spring, the mounting support is fixedly mounted at one end of the aerated grit chamber, the cleaning scraper is mounted on the cleaning scraper support arm on the upper portion of the support through a rotating shaft, and two ends of the spring are hinged to the support and the cleaning scraper respectively. According to the utility model, the cleaning scraping plate is arranged at the end part of the aerated grit chamber, and after the oil scraping plate reaches the cleaning scraping plate, the cleaning scraping plate shovels off grease and scum attached to the surface of the oil scraping plate, so that the grease and the scum attached to the scraping plate can be automatically scraped, the efficiency of the scraping plate can be effectively improved, the maintenance cost is reduced, and the service life of the scraping plate is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the pretreatment equipment in sewage treatment technology, specifically a kind of cleaning device suitable for oil scraping plate of aeration grit chamber. BACKGROUND

[0002] In sewage treatment, the sewage needs to be introduced into aeration grit chamber for pretreatment, and the oil and scum floating on the water surface need to be scraped away by a special oil scraping plate in the aeration grit chamber. However, the oil itself has high adhesion, and will continue to adhere to the oil scraping plate, eventually coagulating into a large group of oil and scum mixed oil group. If not removed regularly, the oil will reduce the efficiency of the scraper, increase maintenance costs and affect the service life of the scraper. SUMMARY

[0003] In view of the problems existing in the prior art, the utility model provides a cleaning device suitable for the oil scraping plate of the aeration grit chamber, which can automatically scrape off the oil and scum adhering to the scraper, effectively improve the efficiency of the scraper, reduce the maintenance cost, and prolong the service life of the scraper.

[0004] In order to achieve the above purpose, the utility model discloses a cleaning device suitable for the oil scraping plate of the aeration grit chamber, which comprises a cleaning scraper, a hanger, a mounting bracket, a cleaning scraper arm, a spring, a hanger lifting assembly, a lifting base plate, a lifting column, a lower lifting support plate, an upper lifting support plate, a rear fixed base plate, a lifting inner slide rail, a roller, a lifting outer slide rail, an oil and scum discharge channel, an oil scraping plate and an aeration grit chamber. The oil scraping plate is controlled by a travelling crane or a crane to scrape off the floating oil or scum in the long rectangular aeration grit chamber. One end of the aeration grit chamber is fixedly installed with the cleaning scraper through the hanger. The hanger further comprises a mounting bracket, a cleaning scraper arm and a spring. The mounting bracket is fixedly installed at one end of the aeration grit chamber. The cleaning scraper arm at the upper part of the bracket is installed with the cleaning scraper through a rotating shaft. The spring is hingedly connected to the bracket and the cleaning scraper at both ends.

[0005] In addition, the cleaning device suitable for the oil scraping plate of the aeration grit chamber according to the above embodiment of the utility model can further have the following additional technical features:

[0006] As a further improved scheme of the utility model, the rear part of the hanger is installed to one end of the aeration grit chamber through the hanger lifting assembly. The lifting base plate of the hanger lifting assembly is installed on the rear surface of the hanger. The rear fixed base plate is installed at the end of the aeration grit chamber. The opposite sides of the lifting base plate and the rear fixed base plate are respectively installed with the lifting outer slide rail and the lifting inner slide rail. A plurality of rollers are arranged in the groove outside the lifting inner slide rail. The cross section of the lifting outer slide rail is L-shaped structure. The short end of the L-shaped structure moves up and down under the clamping of the rollers and the groove of the lifting inner slide rail. The opposite sides of the lifting base plate and the rear fixed base plate are respectively installed with the lower lifting support plate and the upper lifting support plate. The lifting column is arranged between the lower lifting support plate and the upper lifting support plate.

[0007] As a further improved scheme of the present application, the scraping side of the cleaning scraper is processed into a blade shape.

[0008] As a further improved scheme of the present application, the mounting bracket is a frame structure, and a grease scum discharge channel is reserved in the lower part.

[0009] As a further improved scheme of the present application, the spring can also be a hydraulic support rod.

[0010] Through the above scheme, the present application has at least the following advantages: compared with the conventional manual cleaning scraper, the cleaning scraper is arranged at the end of the aerated grit chamber, the grease and scum attached to the scraper are scraped off by the cleaning scraper after the oil scraping plate reaches the cleaning scraper, the grease and scum attached to the scraper can be automatically scraped off, the efficiency of the scraper can be effectively improved, the maintenance cost can be reduced, and the service life of the scraper can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a three-dimensional schematic view of a cleaning device suitable for an oil scraping plate of an aerated grit chamber;

[0012] Figure 2 It is a three-dimensional view of a cleaning device suitable for an oil scraping plate of an aerated grit chamber, which removes the cleaning scraper;

[0013] Figure 3 It is a side view of a mounting bracket lifting assembly of a cleaning device suitable for an oil scraping plate of an aerated grit chamber;

[0014] Figure 4 It is a side view of a mounting bracket lifting assembly of a cleaning device suitable for an oil scraping plate of an aerated grit chamber;

[0015] Figure 5 It is a sectional view of A-A of Figure 4

[0016] Figure 6 It is a three-dimensional view of a cleaning device suitable for an oil scraping plate of an aerated grit chamber, which is installed in the aerated grit chamber;

[0017] Figure 7 It is a structural schematic view of Figure 6

[0018] ​​In the figure: 1, cleaning scraper, 2, hanging rack, 2-1, mounting bracket, 2-2, cleaning scraper arm, 2-3, spring, 2-4, hanging rack lifting assembly, 2-41, lifting base plate, 2-42, lifting column, 2-43, lower lifting support plate, 2-44, upper lifting support plate, 2-45, rear fixed base plate, 2-46, lifting inner slide rail, 2-47, roller, 2-48, lifting outer slide rail, 2-5, grease scum discharge channel, 3, oil scraping plate, 4, aeration grit chamber. DETAILED DESCRIPTION

[0019] The application relates to a cleaning device for an oil scraping plate of an aeration grit chamber.

[0020] In the embodiment one of the application, as shown in the figure, Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 7 , the cleaning device for the oil scraping plate of the aeration grit chamber (hereinafter referred to as the application) comprises a cleaning scraper 1, a hanging rack 2, an oil scraping plate 3 and an aeration grit chamber 4, a travelling crane or a crane controls the oil scraping plate 3 to scrape off floating grease or scum in the long rectangular aeration grit chamber 4, one end of the aeration grit chamber 4 is fixedly installed with the cleaning scraper 1 through the hanging rack 2, the hanging rack 2 further comprises a mounting bracket 2-1, a cleaning scraper arm 2-2 and a spring 2-3, the mounting bracket 2-1 is fixedly installed at one end of the aeration grit chamber 4, the cleaning scraper arm 2-2 at the upper part of the bracket 2-1 is installed with the cleaning scraper 1 through a rotating shaft, and the spring 2-3 is hingedly connected with the bracket 2-1 and the cleaning scraper 1 at two ends respectively. The scraping side of the cleaning scraper 1 is treated as a blade, so that the cleaning scraper 1 can better scrape off the grease and scum attached to the surface of the oil scraping plate 3.

[0021] The embodiment two is basically the same as the embodiment one in structure, and the difference lies in that, as shown in the figure, Figures 3 to 5As shown, in order to facilitate maintenance and expand the scope of scraping, the rear of the hanger 2 is installed to one end of the aerated grit chamber 4 through the hanger lifting assembly 2-4, the lifting base plate 2-41 of the hanger lifting assembly 2-4 is installed on the rear surface of the hanger 2, the rear fixed base plate 2-45 is installed on the end of the aerated grit chamber 4, the opposite sides of the lifting base plate 2-41 and the rear fixed base plate 2-45 are respectively installed with the lifting outer slide rail 4-48 and the lifting inner slide rail 2-46, a plurality of rollers 2-47 are arranged in the groove outside the lifting inner slide rail 2-46, the cross section of the lifting outer slide rail 4-48 is L-shaped structure, the short end of the L-shaped structure moves up and down under the clamping of the rollers 2-47 and the groove of the lifting inner slide rail 2-46, the opposite sides of the lifting base plate 2-41 and the rear fixed base plate 2-45 are respectively installed with the lower lifting support plate 2-43 and the upper lifting support plate 2-44, the lifting column 2-42 is arranged between the lower lifting support plate 2-43 and the upper lifting support plate 2-44, and the lifting column 2-42 built in the hanger lifting assembly 2-4 drives the lifting base plate 2-41 and the rear fixed base plate 2-45 to move up and down under the limitation of the lifting inner slide rail 2-46, the roller 2-47 and the lifting outer slide rail 4-48.

[0022] In order to further optimize the work efficiency of the application, in order to reduce the weight of the installation support 2-1 and make the grease more easily separated from the aerated grit chamber 4, the installation support 2-1 is a frame structure, and the lower part is reserved with a grease scum discharge channel 2-5. In order to make the spring 2-3 have sufficient elasticity and directivity, the spring 2-3 can also be a hydraulic support rod.

[0023] In use, a cleaning device suitable for the aerated grit chamber scraping plate is installed and connected with the corresponding line equipment, and then the cleaning device can be put into use.

[0024] In use, the specific work is as follows:

[0025] In use, the crane or other mechanism hoists the scraping plate 3 to scrape off the grease and scum on the surface of the aerated grit chamber 4, and after approaching the cleaning scraper 1, the blade side of the cleaning scraper 1 will first contact the scraping plate 3, because the cleaning scraper 1 is lifted by the spring 2-3 at this time, and the forty-five-degree angle, so the blade side of the cleaning scraper 1 will first contact the middle part of the scraping plate 3, then the scraping plate 3 is pushed to drive the cleaning scraper 1 under the driving of the crane or other mechanism, the spring 2-3 is compressed, and when the spring 2-3 is compressed, the blade side of the cleaning scraper 1 will shovel down the grease and scum lumps along the surface of the scraping plate 3, then the crane or other mechanism hoists the scraping plate 3 away from the cleaning scraper 1, and the spring 2-3 can support the cleaning scraper 1 to reset, waiting for the next scraping, and so on.

[0026] In conclusion, the cleaning device suitable for the oil scraping plate of the aeration grit chamber of the embodiment of the utility model can scrape off the oil and scum attached to the scraping plate automatically after the oil scraping plate 3 reaches the cleaning scraper 1 and the oil and scum attached to the scraping plate are scraped off by the cleaning scraper 1, and can effectively improve the efficiency of the scraping plate, reduce the maintenance cost, and improve the service life of the scraping plate.

[0027] Those skilled in the art should understand that the above discussion of any of the embodiments is only exemplary and is not intended to imply that the scope of the present application is limited to these examples; under the idea of the present application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details. Any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A cleaning device for a skimming plate of an aerated grit chamber, comprising a skimming plate (3) and an aerated grit chamber (4), a travelling crane or a crane controls the skimming plate (3) to skim floating grease or scum in the long rectangular aerated grit chamber (4), characterized in that, The aeration grit chamber (4) is fixedly installed with the cleaning scraper (1) at one end through the hanger (2), the hanger (2) further comprises a mounting bracket (2-1), a cleaning scraper support arm (2-2) and a spring (2-3), the mounting bracket (2-1) is fixedly installed at one end of the aeration grit chamber (4), the cleaning scraper support arm (2-2) at the upper part of the bracket (2-1) is installed with the cleaning scraper (1) through a rotating shaft, and the spring (2-3) is hingedly connected with the bracket (2-1) and the cleaning scraper (1) at two ends.

2. A cleaning device for a skimming plate of an aerated grit chamber according to claim 1, characterized in that The rear part of the hanger (2) is installed at one end of the aeration grit chamber (4) through the hanger lifting assembly (2-4), the lifting base plate (2-41) of the hanger lifting assembly (2-4) is installed on the rear surface of the hanger (2), the rear fixed base plate (2-45) is installed at the end of the aeration grit chamber (4), the opposite sides of the lifting base plate (2-41) and the rear fixed base plate (2-45) are respectively installed with the lifting outer slide rail (4-48) and the lifting inner slide rail (2-46), a plurality of rollers (2-47) are arranged in the groove on the outer side of the lifting inner slide rail (2-46), the cross section of the lifting outer slide rail (4-48) is in L-shaped structure, the short end of the L-shaped structure moves up and down under the clamping of the rollers (2-47) and the groove of the lifting inner slide rail (2-46), the opposite sides of the lifting base plate (2-41) and the rear fixed base plate (2-45) are respectively installed with the lower lifting support plate (2-43) and the upper lifting support plate (2-44), and the lifting column (2-42) is arranged between the lower lifting support plate (2-43) and the upper lifting support plate (2-44).

3. A cleaning device for a skimming plate of an aerated grit chamber according to claim 2, characterized in that The scraping side of the cleaning scraper (1) is treated as a blade.

4. A cleaning device for a skimming plate of an aerated grit chamber according to claim 1, characterized in that The mounting bracket (2-1) is in frame structure, and the lower part is reserved with a grease scum discharge channel (2-5).

5. A cleaning device for a skimming plate of an aerated grit chamber according to claim 4, characterized in that The spring (2-3) can also be a hydraulic support rod.

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