Biological aerated filter for industrial sewage

Abstract

The utility model discloses a biological aerated filter for industrial sewage in the technical field of sewage treatment, which comprises an aeration tank and a filter screen, the filter screen is arranged in the aeration tank, the inner wall of the aeration tank is provided with a limiting groove, one side of the filter screen is provided with a limiting block, the limiting block is connected with the limiting groove in a sliding manner, and the limiting block is connected with the limiting groove in a sliding manner. Two groups of rotating shafts are arranged in the aeration tank, the rotating shafts are rotatably connected with the aeration tank, a plurality of stirring blades are arranged on one side of each rotating shaft, a motor is arranged at one end of the aeration tank, the output end of the motor is fixedly connected with the rotating shafts, and the rotating shafts and the stirring blades are arranged in total. Through the arrangement of the filter screen, the limiting groove, the limiting block, the rotating shaft and the stirring blades, the function of filtering entering gas is achieved, more impurities are prevented from being dissolved in water, the sewage treatment speed is increased, the motor drives the stirring blades to stir sewage, the sewage oxidation speed can be increased, and the sewage treatment efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment, and specifically relates to an aerated biological filter tank for industrial sewage. Background Art

[0002] Aeration basin is a biochemical reactor designed according to the characteristics of microorganisms. The degree of degradation of organic pollutants mainly depends on the aeration reaction conditions designed by people. Aeration basins use activated sludge method to treat sewage. A certain sewage retention time is provided in the basin to meet the oxygen required by aerobic microorganisms and the mixing conditions for full contact between sewage and activated sludge. Aeration basins are mainly composed of three parts: the basin body, aeration system and water inlet and outlet. The basin body is generally built with reinforced concrete, and the plane shape includes rectangular, square and circular.

[0003] The existing aerated biological filters for industrial sewage still have some defects. Most of them do not have the function of filtering gas. When the aeration system inputs gas into the aeration tank, it may carry dust and impurities, affecting the water quality. For this reason, we propose an aerated biological filter for industrial sewage. Utility Model Content

[0004] The utility model aims to provide an aerated biological filter for industrial sewage, so as to solve the problem that most of the background technologies mentioned above do not have the function of filtering gas.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aerated biological filter for industrial sewage, comprising an aeration tank and a filter screen, wherein the filter screen is provided inside the aeration tank, a limit groove is provided on the inner wall of the aeration tank, a limit block is provided on one side of the filter screen, the limit block and the limit groove are slidably connected, a rotating shaft is provided inside the aeration tank, the rotating shaft and the aeration tank are rotatably connected, a stirring blade is provided on one side of the rotating shaft, a plurality of stirring blades are provided, a motor is provided at one end of the aeration tank, an output end of the motor is fixedly connected to the rotating shaft, and two groups of the rotating shaft and the stirring blade are provided.

[0006] Preferably, a first pulley is provided at the output end of the motor, a belt is provided on the inner side of the first pulley, and the belt is rotatably connected to the first pulley.

[0007] Preferably, a second pulley is provided at one end of the belt, an oxygen pump is provided at one end of the aeration tank, and the oxygen pump and the aeration tank are fixed by screws.

[0008] Preferably, a connecting pipe is provided inside the aeration tank, a gas outlet head is provided on one side of the connecting pipe, and the gas outlet head and the connecting pipe are fixedly connected.

[0009] Preferably, a clamp is provided in the middle of the connecting pipe, the clamp and the connecting pipe are fixed by clamping, and a plurality of the clamps are provided.

[0010] Preferably, a water inlet pipe is provided at one end of the aeration tank, a water outlet pipe is provided at the other end of the aeration tank, and a valve is provided on one side of the water outlet pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Through the filter net, limit groove, limit block, rotating shaft and stirring blade, the filtering function of the incoming gas is realized to prevent more impurities from dissolving in the water, thus speeding up the sewage treatment. The motor drives the stirring blade to stir the sewage, which can speed up the oxidation rate of the sewage and improve the efficiency of sewage treatment.

[0013] 2. The oxygen supply pump, connecting pipe and air outlet are used to realize the oxygenation function inside the aeration tank, thereby increasing the amount of oxygen in the water, increasing the activity of the water, and filtering the water through oxidation reaction. The connecting pipe is fixed by the provided clamps, making it more convenient to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the filter structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the internal structure of the utility model.

[0017] In the figure: 1. aeration tank; 2. filter screen; 3. limit groove; 4. limit block; 5. rotating shaft; 6. stirring blade; 7. motor; 8. first pulley; 9. belt; 10. second pulley; 11. oxygen pump; 12. connecting pipe; 13. air outlet; 14. clamp; 15. water inlet pipe; 16. water outlet pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3The utility model provides a technical solution: an aerated biological filter for industrial sewage, comprising an aeration tank 1 and a filter screen 2, the filter screen 2 is arranged inside the aeration tank 1, a limit groove 3 is arranged on the inner wall of the aeration tank 1, a limit block 4 is arranged on one side of the filter screen 2, the limit block 4 and the limit groove 3 are slidably connected, a rotating shaft 5 is arranged inside the aeration tank 1, the rotating shaft 5 and the aeration tank 1 are rotatably connected, a stirring blade 6 is arranged on one side of the rotating shaft 5, a plurality of stirring blades 6 are arranged, a motor 7 is arranged at one end of the aeration tank 1, an output end of the motor 7 is fixedly connected to the rotating shaft 5, and two groups of rotating shaft 5 and stirring blade 6 are arranged.

[0020] In this embodiment, when using the aerated biological filter for industrial sewage, the limit block 4 is slid into the interior of the limit groove 3, and the limit block 4 is fixed with screws to complete the installation of the filter screen 2. During aeration, the gas is input from the bottom of the aeration tank 1 and enters the water. The filter screen 2 can filter the impurities mixed in the water so that the impurities will not reach the water surface, which can effectively improve the water quality. The water can be stirred by the rotating shaft 5 and the stirring blade 6, so that it reacts more fully, thereby improving the speed of wastewater treatment. The motor 7 is started to drive the rotating shaft 5 to rotate, thereby driving the stirring blade 6 to stir the water.

[0021] Specifically, a first pulley 8 is provided at the output end of the motor 7, a belt 9 is provided on the inner side of the first pulley 8, the belt 9 is rotatably connected to the first pulley 8, a second pulley 10 is provided at one end of the belt 9, an oxygen pump 11 is provided at one end of the aeration tank 1, the oxygen pump 11 and the aeration tank 1 are fixed by screws, a connecting pipe 12 is provided inside the aeration tank 1, an air outlet head 13 is provided on one side of the connecting pipe 12, the air outlet head 13 and the connecting pipe 12 are fixedly connected, a clamp 14 is provided in the middle of the connecting pipe 12, the clamp 14 and the connecting pipe 12 are fixed by clamping, and a plurality of clamps 14 are provided, a water inlet pipe 15 is provided at one end of the aeration tank 1, a water outlet pipe 16 is provided at the other end of the aeration tank 1, and a valve is provided on one side of the water outlet pipe 16.

[0022] In this embodiment, by means of the first pulley 8, the belt 9 and the second pulley 10, the two groups of stirring blades 6 rotate simultaneously to speed up the stirring speed. By means of the oxygen supply pump 11, the connecting pipe 12 and the air outlet head 13, the oxygenation function inside the aeration tank 1 is realized, thereby increasing the amount of oxygen in the water, increasing the activity of the water, and achieving the filtering function of the water through the oxidation reaction. By means of the clamp 14, the connecting pipe 12 is fixed, making it more convenient to install and disassemble. By means of the water inlet pipe 15 and the water outlet pipe 16, the water is introduced and exported.

[0023] 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. An aerated biological filter for industrial sewage, comprising an aeration tank (1) and a filter screen (2), Features: A filter screen (2) is provided inside the aeration tank (1), a limit groove (3) is provided on the inner wall of the aeration tank (1), a limit block (4) is provided on one side of the filter screen (2), the limit block (4) and the limit groove (3) are slidably connected, a rotating shaft (5) is provided inside the aeration tank (1), the rotating shaft (5) and the aeration tank (1) are rotatably connected, a stirring blade (6) is provided on one side of the rotating shaft (5), and a plurality of stirring blades (6) are provided, a motor (7) is provided at one end of the aeration tank (1), an output end of the motor (7) is fixedly connected to the rotating shaft (5), and two groups of the rotating shaft (5) and the stirring blade (6) are provided.

2. The aerated biological filter for industrial wastewater according to claim 1, Features: The output end of the motor (7) is provided with a first belt pulley (8), the inner side of the first belt pulley (8) is provided with a belt (9), and the belt (9) and the first belt pulley (8) are rotatably connected.

3. The aerated biological filter for industrial sewage according to claim 2, Features: A second pulley (10) is provided at one end of the belt (9), an oxygen supply pump (11) is provided at one end of the aeration tank (1), and the oxygen supply pump (11) and the aeration tank (1) are fixed by screws.

4. The aerated biological filter for industrial wastewater according to claim 1, Features: A connecting pipe (12) is provided inside the aeration tank (1), a gas outlet head (13) is provided on one side of the connecting pipe (12), and the gas outlet head (13) and the connecting pipe (12) are fixedly connected.

5. The aerated biological filter for industrial wastewater according to claim 4, Features: A clamping piece (14) is provided in the middle of the connecting pipe (12), the clamping piece (14) and the connecting pipe (12) are fixed by clamping, and a plurality of the clamping pieces (14) are provided.

6. The aerated biological filter for industrial wastewater according to claim 1, Features: A water inlet pipe (15) is provided at one end of the aeration tank (1), and a water outlet pipe (16) is provided at the other end of the aeration tank (1), and a valve is provided on one side of the water outlet pipe (16).

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