Cleaning type aeration device of biological aerated filter

Abstract

The utility model provides a cleaning type aeration device of a biological aerated filter, which belongs to the technical field of aeration and comprises a first aeration box and a second aeration box, the front end and the rear end of the first aeration box and the front end and the rear end of the second aeration box are respectively and detachably connected with an installation cover through screws, a water inlet pipe is fixedly connected to one mounting cover on the first aeration box, a first electronic valve is mounted on the water inlet pipe, an air inlet pipe is fixedly connected to the other mounting cover on the first aeration box, and a second electronic valve is mounted on the air inlet pipe. Through the arrangement of the bearing, the transmission pipe, the first bevel gear, the driving structure, the connecting block, the connecting rod, the second bevel gear and the mounting box, the mounting box and the aeration head are automatically driven to rotate, the contact area of gas and water is increased, the aeration range is increased, the aeration effect is improved, and the service life of the aeration head is prolonged. The problem that in the prior art, the aeration effect is poor due to the fact that the aeration range is small is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of aeration, and specifically relates to a cleaning type aeration device for an aerated biological filter. Background Art

[0002] The aerated biological filter has the advantages of small floor area, high water pollution removal efficiency, and no need for other secondary and tertiary treatments, and is currently widely used abroad. The removal of organic matter in water by the aerated biological filter mainly utilizes the oxidation and decomposition of the biofilm on the filter material. Coupled with the relatively small pore size of the filter material itself, it has an adsorption and blocking effect on suspended solids and macromolecular pollutants. An aeration device is usually provided in the aerated biological filter.

[0003] After retrieval, in the prior art, a Chinese patent with the patent application number CN202320601812.6 discloses a cleaning type aeration device for an aerated biological filter, including a first aeration box and a second aeration box. The second aeration box is arranged on the right side of the first aeration box. First mounting covers and second mounting covers are arranged at the front and rear ends of the first aeration box and the second aeration box. An air inlet pipe is arranged on the back of the first mounting cover on the first aeration box, and a water inlet pipe is arranged on the front of the second mounting cover on the first aeration box. Multiple groups of aeration heads are arranged on the tops of the first aeration box and the second aeration box. Protective covers are arranged on the tops of the first aeration box and the second aeration box. Fixed support plates are arranged at the front and rear ends of the bottoms of the first aeration box and the second aeration box. Compared with the existing cleaning type aeration device for an aerated biological filter, this utility model can improve the overall convenience and practicability of the cleaning type aeration device for an aerated biological filter through design, but there are still the following defects:

[0004] (1) In the prior art, the aeration range of the aeration device is small, resulting in a small contact area between the gas in the aeration and the sewage, and the aeration effect is not good;

[0005] (2) In the prior art, impurities are easily accumulated on the protective cover of the aeration device, which is inconvenient to clean the impurities on it, affecting the subsequent aeration effect.

[0006] Therefore, we make improvements on this and propose a cleaning type aeration device for an aerated biological filter. Summary of the Invention

[0007] The purpose of the utility model is to address the problems of poor aeration effect caused by a small aeration range and inconvenience in cleaning the impurities accumulated on the protective cover currently.

[0008] To achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] A cleaning type aeration device for an aerated biological filter to improve the above problems.

[0010] The specific structure of the utility model is as follows:

[0011] It includes a first aeration box and a second aeration box. The front and rear ends of the first aeration box and the second aeration box are respectively detachably connected with mounting covers through screws. A water inlet pipe is fixedly connected to one of the mounting covers on the first aeration box, and a first electronic valve is installed on the water inlet pipe. An air inlet pipe is fixedly connected to the other mounting cover on the first aeration box, and a second electronic valve is installed on the air inlet pipe. Bearings are fixedly connected to the centers of the upper end faces of the first aeration box and the second aeration box. A transmission pipe is fixedly connected to the inner side wall of the inner ring of the bearing. The bottom ends of the transmission pipes respectively penetrate through the first aeration box and the second aeration box and are flush with their inner top walls. A first bevel gear is provided on the transmission pipe. A driving structure is provided on the first aeration box. Connecting blocks are fixedly connected to the upper end faces of the first aeration box and the second aeration box respectively. A connecting rod is fixedly connected between the connecting blocks. Second bevel gears respectively meshing with the first bevel gear are fixedly connected to both ends of the connecting rod. The first aeration box and the second aeration box are connected through a connecting pipe. An installation box is fixedly connected to the top end of the transmission pipe, and the transmission pipe is communicated with the installation box. A group of installation pipes are evenly fixedly connected to the upper end face of the installation box. Aeration heads are threadedly connected to the installation pipes. A protective frame is detachably connected to the upper end face of the installation box through screws. A group of filters are evenly installed in the protective frame. A cleaning structure is provided above the protective frame.

[0012] As a preferred technical solution of the utility model, the driving structure includes a vertical plate fixed on the upper end face of the first aeration box. A connecting shaft is rotatably connected to the vertical plate. The inner end of the connecting shaft is fixedly connected with a third bevel gear meshing with the first bevel gear. The outer end of the connecting shaft is fixedly connected with a fourth bevel gear. Two brackets are fixedly connected to the upper end face of the first aeration box. A transmission rod is rotatably connected between the two brackets. A fifth bevel gear and a sixth bevel gear are respectively fixedly connected to both ends of the transmission rod. A fixed frame is provided above the sixth bevel gear. A motor is fixedly connected to the upper end face of the fixed frame. A vertical shaft is fixedly connected to the driving end of the motor. A seventh bevel gear meshing with the sixth bevel gear is fixedly connected to the bottom end of the vertical shaft.

[0013] As a preferred technical solution of the utility model, the cleaning structure includes a cleaning frame fixed on two adjacent mounting covers. A scraping plate is fixedly connected to the cleaning frame. The bottom end of the scraping plate is in contact with the upper end face of the protective frame.

[0014] As a preferred technical solution of the present utility model, mounting ears are fixedly connected to both side walls of the first aeration box and the second aeration box. Threaded columns are provided in the mounting ears, and two nuts are threadedly connected to the threaded columns. The bottom ends of two laterally adjacent threaded columns are fixedly connected to a bottom plate, and the bottom plate is fixedly connected to a base through bolts.

[0015] As a preferred technical solution of the present utility model, a sewage discharge pipe communicated with the protective frame is fixedly connected to the protective frame, and a third solenoid valve is fixedly connected to the end of the sewage discharge pipe.

[0016] As a preferred technical solution of the present utility model, aeration cavities are respectively formed inside the first aeration box and the second aeration box, and the inside of the installation box is designed with a hollow structure.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] In the solution of the present utility model:

[0019] 1. By providing bearings, transmission pipes, first bevel gears, drive structures, connection blocks, connecting rods, second bevel gears and installation boxes, the automatic driving of the installation box and the aeration heads to rotate is realized, increasing the contact area between gas and water, expanding the aeration range, improving the aeration effect, and solving the problem of poor aeration effect caused by a small aeration range in the prior art.

[0020] 2. By providing protective frames, filter meshes and cleaning structures, the shielding of external impurities is realized. At the same time, the rotation and aeration of the installation box can enable the scraping plates to clean the filter meshes, avoiding the accumulation of impurities and ensuring the subsequent aeration effect, and solving the problem of the influence of impurity accumulation on the aeration effect on the protective frames in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is the overall structural schematic diagram provided by the present utility model;

[0022] Figure 2 is the rear structural schematic diagram provided by the present utility model;

[0023] Figure 3 is the separation structural schematic diagram provided by the present utility model;

[0024] Figure 4 is the drive structural schematic diagram provided by the present utility model;

[0025] Figure 5 is provided by the present utility model Figure 4 the enlarged view of part A in;

[0026] Figure 6 is the front structural schematic diagram provided by the present utility model.

[0027] Indications in the figure:

[0028] 1. First aeration box; 2. Second aeration box; 3. Installation cover; 4. Water inlet pipe; 5. First solenoid valve; 6. Air inlet pipe; 7. Second solenoid valve; 8. Bearing; 9. Transfer pipe; 10. First bevel gear; 11. Driving structure; 1101. Vertical plate; 1102. Connecting shaft; 1103. Third bevel gear; 1104. Fourth bevel gear; 1105. Bracket; 1106. Transmission rod; 1107. Fifth bevel gear; 1108. Sixth bevel gear; 1109. Fixed bracket; 1110. Motor; 1111. Vertical shaft; 1112. Seventh bevel gear; 12. Connecting block; 13. Connecting rod; 14. Second bevel gear; 15. Connecting pipe; 16. Installation box; 17. Installation pipe; 18. Aeration head; 19. Protection frame; 20. Filter screen; 21. Cleaning structure; 2101. Cleaning frame; 2102. Scraper; 22. Installation ear; 23. Threaded column; 24. Nut; 25. Bottom plate; 26. Base; 27. Sewage pipe; 28. Third solenoid valve. Detailed implementation manners

[0029] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.

[0030] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown in the figure, this embodiment proposes a cleaning aeration device for an aerated biological filter, which includes a first aeration box 1 and a second aeration box 2. The front and rear ends of the first aeration box 1 and the second aeration box 2 are respectively detachably connected with mounting covers 3 by screws, which is convenient for installation and disassembly. A water inlet pipe 4 is fixedly connected to one of the mounting covers 3 on the first aeration box 1, and a first electronic valve 5 is installed on the water inlet pipe 4. Another mounting cover 3 on the first aeration box 1 is fixedly connected with an air inlet pipe 6, and a second electronic valve 7 is installed on the air inlet pipe 6. The water inlet pipe 4 is connected to an external water source, and the water inlet is controlled by the first electronic valve 5. The air inlet pipe 6 is connected to an external air source, and the air inlet is controlled by the second electronic valve 7. Bearings 8 are fixedly connected to the centers of the upper end faces of the first aeration box 1 and the second aeration box 2. A transmission pipe 9 is fixedly connected to the inner side wall of the inner ring of the bearing 8. The bottom ends of the transmission pipes 9 respectively penetrate through the first aeration box 1 and the second aeration box 2 and are flush with their inner top walls. A first bevel gear 10 is provided on the transmission pipe 9. A driving structure 11 is provided on the first aeration box 1, which can drive the transmission pipe 9 to rotate. Connecting blocks 12 are respectively fixedly connected to the upper end faces of the first aeration box 1 and the second aeration box 2. A connecting rod 13 is fixedly connected between the connecting blocks 12. Second bevel gears 14 that are respectively meshed with the first bevel gear 10 are fixedly connected to both ends of the connecting rod 13, which can be linked to drive the two transmission pipes 9 to rotate simultaneously. The first aeration box 1 and the second aeration box 2 are connected by a connecting pipe 15. An installation box 16 is fixedly connected to the top end of the transmission pipe 9, and the transmission pipe 9 is communicated with the installation box 16. A group of installation pipes 17 are evenly fixedly connected to the upper end face of the installation box 16. Aeration heads 18 are threadedly connected to the installation pipes 17. The rotating installation box 16 drives the aeration heads 18 to rotate, thereby improving the aeration range. A protective frame 19 is detachably connected to the upper end face of the installation box 16 by screws. A group of filters 20 are evenly installed in the protective frame 19. The protective frame 19 protects the internal equipment from external interference, and at the same time, the built-in filters 20 can filter impurities to keep the aeration process clean and efficient. A cleaning structure 21 is provided on the upper side of the protective frame 19, which is convenient for cleaning the impurities accumulated on the protective frame 19.

[0031] As Figure 1 , Figure 4 and Figure 5As shown, as a preferred embodiment, on the basis of the above method, further, the driving structure 11 includes a vertical plate 1101 fixed on the upper end surface of the first aeration box 1. A connecting shaft 1102 is rotatably connected to the vertical plate 1101. The inner end of the connecting shaft 1102 is fixedly connected to a third bevel gear 1103 meshed with the first bevel gear 10. The outer end of the connecting shaft 1102 is fixedly connected to a fourth bevel gear 1104. Two brackets 1105 are fixedly connected to the upper end surface of the first aeration box 1. A transmission rod 1106 is rotatably connected between the two brackets 1105. The two ends of the transmission rod 1106 are respectively fixedly connected to a fifth bevel gear 1107 and a sixth bevel gear 1108. A fixing frame 1109 is provided above the sixth bevel gear 1108. A motor 1110 is fixedly connected to the upper end surface of the fixing frame 1109. The driving end of the motor 1110 is fixedly connected to a vertical shaft 1111. The bottom end of the vertical shaft 1111 is fixedly connected to a seventh bevel gear 1112 meshed with the sixth bevel gear 1108; the motor 1110 drives the vertical shaft 1111 to rotate. The seventh bevel gear 1112 at the bottom end of the vertical shaft 1111 meshes with the sixth bevel gear 1108 to transmit power to the transmission rod 1106. The fifth bevel gear 1107 and the sixth bevel gear 1108 at both ends of the transmission rod 1106 rotate synchronously. The sixth bevel gear 1108 drives the connecting shaft 1102 to rotate, and then drives the third bevel gear 1103 to rotate. The third bevel gear 1103 meshes with the first bevel gear 10 to transmit power to the first bevel gear 10 in the transmission pipe 9 to make it rotate, so as to make the transmission pipe 9 rotate.

[0032] As Figure 1 and Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, the cleaning structure 21 includes a cleaning frame 2101 fixed on two adjacent mounting covers 3. A scraper 2102 is fixedly connected to the cleaning frame 2101. The bottom end of the scraper 2102 is in contact with the upper end surface of the protective frame 19; the scraper 2102 on the cleaning frame 2101 automatically cleans the impurities on the filter screen 20 as the aeration head 18 rotates, reducing the frequency of manual cleaning and improving the automation degree and operation efficiency of the equipment.

[0033] As Figure 1 As shown, as a preferred embodiment, on the basis of the above method, further, mounting ears 22 are fixedly connected to the side walls on both sides of the first aeration box 1 and the second aeration box 2. Threaded columns 23 are provided in the mounting ears 22. Two nuts 24 are threadedly connected to the threaded columns 23. The bottom ends of two adjacent threaded columns 23 in the horizontal direction are fixedly connected to a bottom plate 25. The bottom plate 25 is fixedly connected to a base 26 by bolts; the aeration box is fixed on the bottom plate 25 through the mounting ears 22, threaded columns 23 and nuts 24, and then the bottom plate 25 is connected to the base 26 by bolts. This structure is stable and reliable, and is convenient for installation and disassembly.

[0034] As Figure 2 and Figure 3 shown, as a preferred embodiment, on the basis of the above method, further, a sewage pipe 27 communicating with the protection frame 19 is fixedly connected thereto, and a third electronic valve 28 is fixedly connected to the end of the sewage pipe 27; the sewage discharge process can be controlled, facilitating the discharge of the impurities washed out and the accumulated ones outward.

[0035] As Figure 3 and Figure 4 shown, as a preferred embodiment, on the basis of the above method, further, aeration cavities are respectively formed inside the first aeration box 1 and the second aeration box 2, and the inside of the installation box 16 is designed to be a hollow structure; the overall weight is reduced, while facilitating the transmission of gas and water, and improving the aeration efficiency.

[0036] Specifically, when this cleaning type aeration device of the biological aerated filter works / operates: close the first electronic valve 5, connect the air inlet pipe 6 to an external air source to convey gas into the first aeration box 1, and convey the gas into the two installation boxes 16 through the transmission of the transmission pipe 9 and the connecting pipe 15, and then carry out aeration through the aeration heads 18. At the same time, start the motor 1110 to drive the vertical shaft 1111 to rotate. The seventh bevel gear 1112 at the bottom end of the vertical shaft 1111 meshes with the sixth bevel gear 1108 to transmit the power to the transmission rod 1106. The fifth bevel gears 1107 and the sixth bevel gear 1108 at both ends of the transmission rod 1106 rotate synchronously. The sixth bevel gear 1108 drives the connecting shaft 1102 to rotate, and then drives the third bevel gear 1103 to rotate. The third bevel gear 1103 meshes with the first bevel gear 10 to transmit the power to the first bevel gear 10 in the transmission pipe 9 to make it rotate. Since the second bevel gears 14 at both ends of the connecting rod 13 mesh with the first bevel gear 10, the two transmission pipes 9 and the installation boxes 16 rotate simultaneously, so that the aeration heads 18 rotate, expanding the aeration range. At the same time, the protection frame 19 rotates following the installation box 16 and contacts the scraper 2102 during the rotation process, thereby cleaning the impurities on the filter screen 20. When cleaning is required, close the second electronic valve 7, open the first electronic valve 5, connect the water inlet pipe 4 to an external water source to convey clean water into the first aeration box 1 and the second aeration box 2. The flowing clean water flushes the aeration heads 18, and after the flushing is completed, open the third electronic valve 28 to discharge the sewage.

[0037] All technical features in this embodiment can be freely combined according to actual needs.

[0038] The above embodiments are the better implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the technical solution is within the protection scope of the present invention.

Claims

1. An aerated biological filter cleaning aeration device, comprising a first aeration box (1) and a second aeration box (2), characterized in that: The front and rear ends of the first aeration box (1) and the second aeration box (2) are detachably connected to mounting covers (3) by screws, one mounting cover (3) on the first aeration box (1) is fixedly connected to a water inlet pipe (4), and a first electronic valve (5) is installed on the water inlet pipe (4), the other mounting cover (3) on the first aeration box (1) is fixedly connected to an air inlet pipe (6), and a second electronic valve (7) is installed on the air inlet pipe (6), the center of the upper end surface of the first aeration box (1) and the second aeration box (2) are fixedly connected to a bearing (8), the inner side wall of the inner ring of the bearing (8) is fixedly connected to a transmission pipe (9), the bottom end of the transmission pipe (9) passes through the first aeration box (1) and the second aeration box (2) respectively and is flush with the inner top wall thereof, the transmission pipe (9) is provided with a first bevel gear (10), the first aeration box (1) is provided with a driving structure (11), and the first aeration box (1) is provided with a transmission pipe (9). The upper end surfaces of the aeration box (1) and the second aeration box (2) are respectively fixedly connected with connection blocks (12), a connection rod (13) is fixedly connected between the connection blocks (12), and both ends of the connection rod (13) are fixedly connected with second bevel gears (14) respectively meshed with the first bevel gear (10). The first aeration box (1) and the second aeration box (2) are connected via a connection pipe (15). The top end of the transmission pipe (9) is fixedly connected with a mounting box (16), the transmission pipe (9) is communicated with the mounting box (16), a group of mounting pipes (17) are evenly fixedly connected to the upper end surface of the mounting box (16), an aeration head (18) is threadedly connected to the mounting pipe (17), and a protective frame (19) is detachably connected to the upper end surface of the mounting box (16) via screws, a group of filter screens (20) are evenly installed in the protective frame (19), and a cleaning structure (21) is provided on the upper side of the protective frame (19).

2. The aeration device for cleaning aeration of a biological aerated filter according to claim 1, characterized in that: The driving structure (11) comprises a vertical plate (1101) fixed to the upper end surface of the first aeration box (1); a connecting shaft (1102) is rotatably connected to the vertical plate (1101); a third bevel gear (1103) meshingly connected to the first bevel gear (10) is fixedly connected to the inner end of the connecting shaft (1102); a fourth bevel gear (1104) is fixedly connected to the outer end of the connecting shaft (1102); two brackets (1105) are fixedly connected to the upper end surface of the first aeration box (1); and the two brackets (1105) are rotatably connected to each other. A transmission rod (1106) is provided, and two ends of the transmission rod (1106) are respectively fixedly connected to a fifth bevel gear (1107) and a sixth bevel gear (1108); a fixing frame (1109) is provided on the upper side of the sixth bevel gear (1108); a motor (1110) is fixedly connected to the upper end surface of the fixing frame (1109); a vertical shaft (1111) is fixedly connected to the driving end of the motor (1110); and a seventh bevel gear (1112) meshingly connected to the sixth bevel gear (1108) is fixedly connected to the bottom end of the vertical shaft (1111).

3. The aeration device for cleaning aeration of a biological aerated filter according to claim 1, characterized in that: The cleaning structure (21) comprises a cleaning frame (2101) fixed on two adjacent mounting covers (3), a scraper (2102) being fixedly connected to the cleaning frame (2101), and a bottom end of the scraper (2102) being in contact with an upper end surface of the protective frame (19).

4. The aeration device for cleaning aeration of a biological aerated filter according to claim 1, characterized in that: Mounting ears (22) are fixedly connected to both side walls of the first aeration box (1) and the second aeration box (2), and threaded columns (23) are provided in the mounting ears (22). Two nuts (24) are threadedly connected to the threaded columns (23), and bottom ends of two laterally adjacent threaded columns (23) are fixedly connected to a bottom plate (25), and the bottom plate (25) is fixedly connected to a base (26) by bolts.

5. The aeration device for cleaning biological aeration filter according to claim 1, characterized in that: The protection frame (19) is fixedly connected to a sewage discharge pipe (27) which is in communication therewith, and the end of the sewage discharge pipe (27) is fixedly connected to a third electronic valve (28).

6. The aeration device for cleaning aeration of a biological aerated filter according to claim 1, characterized in that: The first aeration box (1) and the second aeration box (2) are both provided with an aeration cavity, and the interior of the installation box (16) is designed as a hollow structure.

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