Aeration device

Abstract

An aeration device comprises a plurality of aeration pipes arranged in parallel, corresponding baffles and side plates, an exhaust hole is formed in the pipe wall of the bottom of each aeration pipe, one end of each aeration pipe is arranged as an air inlet end, the baffles comprise the first baffle and the second baffle which are arranged in a V shape, the aeration pipes are arranged under the baffles, and the side plates are arranged on the first baffle and the second baffle. The side plates are arranged at the two ends of the aeration pipe and the baffle and comprise a bottom side plate, a left traction side plate, a left positioning frame, a right traction side plate and a right positioning frame, the two ends of the aeration pipe are installed on the side plates, the lower portions of the left positioning frame and the right positioning frame are rotatably installed on the side plates, and a lug plate is connected to the outer side wall of the upper portion of the left positioning frame; the multiple left positioning frames are rotationally connected to the left traction side plate through the lug plates. When the device is matched with the ceramic flat sheet membrane for use, air flow uniformly diffuses towards an upper area to effectively purge the surface of the ceramic flat sheet membrane, so that the membrane pollution of the ceramic flat sheet membrane is inhibited, and the cleaning and replacing period of the ceramic flat sheet membrane is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to water treatment technical field especially relates to a kind of aeration devices. BACKGROUND

[0002] With the speed of industrial development faster and faster, environmental protection consciousness is continuously improved, sewage treatment industry in recent years extremely rapidly in domestic development, and the treatment process of sewage treatment industry is also various, wherein Membrane Bio-Reactor as membrane separation technology and biological treatment technology organic combination new form wastewater treatment system, with its volume load high, hydraulic load big, hydraulic retention time short, occupies small area, required capital investment is less, energy consumption and operation cost are low, water quality is high and the advantages such as have been widely applied in each big sewage treatment project. Membrane Bio-Reactor is a new type of water treatment process, has many advantages of biological membrane method and activated sludge method. Membrane Bio-Reactor is a new wastewater treatment technology developed on the basis of ordinary biological filter, and it is developed by learning from water filter process. It is initially used for tertiary treatment of sewage, and then developed for secondary treatment. This technology can not only be used for water eutrophication treatment. And can be widely used in urban sewage, community domestic sewage, domestic miscellaneous wastewater, food processing wastewater, brewing and papermaking and other high-concentration wastewater, and can also be used for reclaimed water treatment. With the in-depth research, Membrane Bio-Reactor gradually develops from single process to series integrated process, has the effect of removing nitrification and denitrification, and its maximum feature is that biological oxidation and suspended solid interception are integrated, and membrane assembly replaces the traditional biological treatment technology end two sedimentation tanks, which simplifies the treatment process under the premise of ensuring treatment effect.

[0003] In the biological reactor, the concentration of activated sludge in the interior is often high, the traditional aeration mode has low impact load capacity, the washing is uneven, the washing intensity is large in some areas, the washing intensity is small in some areas, short flow is easy to occur, thereby producing water-avoiding area, causing membrane pollution, which can affect the service life of the membrane assembly, cannot make the membrane assembly maintain good permeability, and leads to that the purification efficiency of the biological reactor and the treatment of pollutants cannot reach the expected effect. SUMMARY

[0004] The utility model aims at solving the prior art's insufficient, and provides a kind of aeration device, to solve the problem that the existing aeration device has low impact load capacity, washing is uneven, the washing intensity is large in some areas, the washing intensity is small in some areas, short flow is easy to occur, produces water-avoiding area, further cooperates with ceramic flat sheet membrane, can also effectively inhibit the membrane pollution of ceramic flat sheet membrane, prolongs the cleaning and replacement cycle of membrane.

[0005] The utility model discloses a kind of aeration devices, to solve the problem that the existing aeration device has low impact load capacity, washing is uneven, the washing intensity is large in some areas, the washing intensity is small in some areas, short flow is easy to occur, produces water-avoiding area, further cooperates with ceramic flat sheet membrane, can also effectively inhibit the membrane pollution of ceramic flat sheet membrane, prolongs the cleaning and replacement cycle of membrane.

[0006] An aeration device, comprising a plurality of parallelly arranged aeration pipes, corresponding baffle plates and side plates, a row of air holes being formed on the bottom wall of the aeration pipe, one end of the aeration pipe being provided as an air inlet end, the baffle plate comprising a first baffle plate and a second baffle plate arranged in a V shape, the aeration pipe being arranged directly below the baffle plate and extending in the same direction as the baffle plate, the side plate being arranged at both ends of the aeration pipe and the baffle plate, the side plate comprising a bottom side plate, a left pulling side plate, a left positioning frame, a right pulling side plate and a right positioning frame, both ends of the aeration pipe being mounted on the side plate, the lower part of the left positioning frame and the right positioning frame being rotatably mounted on the side plate, the upper part of the left positioning frame being connected with an ear plate, a plurality of left positioning frames being rotatably connected with the left pulling side plate through the ear plate, the middle part of the right positioning frame being connected with an ear plate, a plurality of right positioning frames being rotatably connected with the right pulling side plate through the ear plate, both ends of the first baffle plate being inserted into the left positioning frame, and both ends of the second baffle plate being inserted into the right positioning frame.

[0007] The left positioning frame of the side plate is provided with a first fixing groove, the right positioning frame is provided with a second fixing groove, and the bottom side plate is provided with a plurality of circular fixing grooves for fixing the aeration pipe, the first fixing groove is used for fixing the first baffle plate, and the second fixing groove is used for fixing the second baffle plate.

[0008] The included angle between the first baffle plate and the second baffle plate is adjustable, and the adjustment range of the included angle is 5°-180°.

[0009] The aeration device is arranged below the ceramic flat plate membrane, and the position of the baffle plate is arranged so that the gas flowing out of the aeration pipe can blow the side surface of the ceramic flat plate membrane.

[0010] The aeration device is arranged below the ceramic flat plate membrane, and the position of the baffle plate is arranged so that the gas flowing out of the aeration pipe can blow the side surface of the ceramic flat plate membrane. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The structure of the utility model is shown in the figure;

[0012] Figure 2 The cross section of the utility model is shown in the figure;

[0013] Figure 3 The position of the utility model and the ceramic flat plate membrane is shown in the figure;

[0014] Figure 4 The system diagram of the utility model for wastewater treatment is shown in the figure;

[0015] In the figure: 100-aeration pipe; 101-air hole; 102-air inlet end; 200-baffle; 201-first baffle; 202-second baffle; 400-side plate; 401-bottom side plate; 402-left driving side plate; 403-right driving side plate; 404-ear plate; 405-left positioning frame; 406-right positioning frame; 407-left control plate; 408-right control plate; 409-positioning plate; 410-fixing plate; M10-ceramic flat sheet membrane; 300-water tank; 301-water inlet; 302-drainage outlet; S20-air inlet pipe; S10-aeration device; M20-water outlet pipe;

[0016] The utility model will be described below in detail in combination with the embodiments of the utility model and with reference to the drawings. DETAILED DESCRIPTION

[0017] The utility model will be described below in detail in combination with the embodiments of the utility model and with reference to the drawings.

[0018] An aeration device comprises a plurality of parallelly arranged aeration pipes 100, corresponding baffles 200 and side plates 400, the bottom pipe wall of the aeration pipe 100 is provided with an air hole 101, one end of the aeration pipe 100 is provided as an air inlet end 102, the baffle 200 comprises a first baffle 201 and a second baffle 202 arranged in a V shape, the aeration pipe 100 is arranged directly below the baffle 200, and the baffle 200 and the aeration pipe 100 extend in the same direction, the side plate 400 is arranged at both ends of the aeration pipe 100 and the baffle 200, the side plate 400 comprises a bottom side plate 401, a left driving side plate 402, a left positioning frame 405, a right driving side plate 403 and a right positioning frame 406, both ends of the aeration pipe 100 are mounted on the side plate 400, the lower part of the left positioning frame 405 and the right positioning frame 406 is rotatably mounted on the side plate 400, the upper part of the outer side wall of the left positioning frame 405 is connected with an ear plate 404, a plurality of left positioning frames 405 are rotatably connected on the left driving side plate 402 through the ear plate 404, the middle part of the outer side wall of the right positioning frame 406 is connected with an ear plate 404, a plurality of right positioning frames 406 are rotatably connected on the right driving side plate 403 through the ear plate 404, both ends of the first baffle 201 are inserted on the left positioning frame 405, both ends of the second baffle 202 are inserted on the right positioning frame 406, the included angle between the left positioning frame 405 and the right positioning frame 405 is adjusted by pulling the left driving side plate 402 and the right driving side plate 403, so as to control the angle of the included angle a between the first baffle 201 and the second baffle 202, so that the gas is blown to the ceramic flat sheet membrane M10 along the first baffle 201 and the second baffle 202.

[0019] The left positioning frame 405 of the side plate 400 is provided with a first fixing groove, the right positioning frame 406 is provided with a second fixing groove, and the bottom side plate 401 is provided with a plurality of circular fixing grooves for fixing the aeration pipe 100, the first fixing groove is used for fixing the first baffle 201, and the second fixing groove is used for fixing the second baffle 202.

[0020] The included angle between the first baffle 201 and the second baffle 202 is adjustable, and the adjustment range of the included angle is 5°-180°, and the angle between the first baffle 201 and the second baffle 202 is controlled through the left positioning frame 405 and the right positioning frame 406.

[0021] The aeration device is arranged below the ceramic flat plate membrane M10, and the position of the baffle 200 is arranged so that the gas flowing out of the aeration pipe 100 can blow the side surface of the ceramic flat plate membrane M10.

[0022] Embodiment 1

[0023] The aeration pipe 100 is made of a water-impermeable material, the aeration pipe 100 and the baffle 200 are made of a metal material, the aeration pipe 100 is formed by casting, the air holes 101 on the aeration pipe 100 are obtained by mechanical processing, and the baffle 200 is obtained by cold stamping.

[0024] Embodiment 2

[0025] The aeration pipe 100 and the baffle 200 are made of a plastic material and are obtained by injection molding. The material and processing technology of the aeration pipe 100 and the baffle 200 can be selected according to needs.

[0026] Embodiment 3

[0027] The device is applied to a wastewater treatment system, such as Figure 4As shown, the wastewater treatment system comprises a water tank 300, a water inlet 301, a sewage outlet 302, an air inlet pipe S20, an aeration device S10, ceramic flat sheet membranes M10, and a water outlet pipe M20. The ceramic flat sheet membranes M10 are hung in the water tank 300 through a frame, and the aeration device S10 is located below the ceramic flat sheet membranes M10. The aeration device S10 and the ceramic flat sheet membranes M10 are arranged in parallel with each other. Each two adjacent ceramic flat sheet membranes M10 have an aeration pipe 100 and a baffle 200 matched with the aeration pipe 100. The aeration pipe 100 is located on the center line of the two adjacent ceramic flat sheet membranes M10. The baffle 200 matched with the aeration pipe 100 is composed of two plate-shaped structures arranged in a "V" shape. A first baffle 201 is inserted into a left positioning frame 405, and a second baffle 202 is inserted into a right positioning frame 406. The included angle a between the first baffle 201 and the second baffle 202 is controlled by the included angle between the left positioning frame 405 and the right positioning frame 406. The left positioning frame 405 is pulled through a left pulling side plate 402, and the right positioning frame 406 is pulled through a right pulling side plate 403. A left control plate 407 is vertically connected to the left pulling side plate 402 and extends upward out of the water tank 300. A right control plate 408 is vertically connected to the right pulling side plate 403 and extends upward out of the water tank 300. The top of the left side wall and the top of the right side wall of the water tank 300 are both provided with a fixed plate 410. The fixed plate 410 is transversely connected with a positioning plate 409, and the positioning plate 409 is provided with a positioning hole. The top end of the left control plate 407 is connected to the positioning hole at a certain position of the positioning plate 409 of the left side wall through a bolt, and the top end of the right control plate 408 is connected to the positioning hole at a certain position of the positioning plate 409 of the right side wall through a bolt, so as to position the angle between the first baffle 201 and the second baffle 202. The horizontal width of each baffle 200 is less than or equal to one-half of the horizontal distance between the two adjacent ceramic flat sheet membranes M10. The baffle 200 guides the gas flow discharged from the air hole of the aeration pipe 100 to the bottom of the adjacent ceramic flat sheet membrane M10. This layout makes the bottom and the opposite two sides of each two adjacent ceramic flat sheet membranes M10 be uniformly swept by the gas flow from the aeration device S10. In operation, first, the sewage outlet 302 is closed, the wastewater enters the water tank 300 through the water inlet 301, and the wastewater covers the ceramic flat sheet membranes M10. The air blower provides sufficient gas flow to the aeration device S10 through the air inlet pipe S20. The aeration device S10 discharges gas upward through the bottom air hole, which is uniformly diffused to the area of the ceramic flat sheet membranes M10 after being blocked and guided by the "V"-shaped baffle 200. The gas uniformly diffuses to the area of the ceramic flat sheet membranes M10, and the outer surface of the ceramic flat sheet membranes M10 is swept from the bottom of the ceramic flat sheet membranes M10, so that the sludge layer adhered to the ceramic flat sheet membranes M10 is thin, thereby maintaining a good permeability. The mud-water mixture in the pool is pumped out of the water tank by the water pump connected to the water outlet pipe M20, and the clean water is pumped out of the water tank through the ceramic flat sheet membranes M10, thereby completing the treatment of the wastewater in this process.

[0028] The opposite sides of the two adjacent ceramic flat sheet membranes M10 can be uniformly swept by the airflow from the aeration device S10, further inhibiting membrane pollution of the ceramic flat sheet membrane M10, reducing the impact of the airflow on the ceramic flat sheet membrane M10, and prolonging the service life of the ceramic flat sheet membrane M10.

[0029] The aeration device S10 of the utility model not only improves the stability of the ceramic flat sheet membrane M10 system, but also effectively and uniformly sweeps the surface of the ceramic flat sheet membrane M10, further inhibits membrane pollution of the ceramic flat sheet membrane M10, prolongs the cleaning and replacement cycle of the ceramic flat sheet membrane M10, reduces the impact of the airflow on the ceramic flat sheet membrane M10, and prolongs the service life of the ceramic flat sheet membrane M10.

[0030] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, a particular orientation and operation, and therefore cannot be understood as limiting the utility model.

[0031] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0032] In the utility model, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or in communication with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0033] The utility model has been described exemplarily above in combination with the drawings, and obviously, the utility model is not limited by the above-mentioned mode in the specific implementation, and various improvements adopting the method concept and technical scheme of the utility model or direct application in other occasions without improvement are all within the protection scope of the utility model.

Claims

1. An aeration device, characterized in that, The system includes multiple parallel aeration pipes (100), corresponding baffles (200), and side plates (400). Each aeration pipe (100) has a vent (101) on its bottom wall. One end of the aeration pipe (100) is designated as an air inlet (102). The baffles (200) include a first baffle (201) and a second baffle (202) arranged in a "V" shape. The aeration pipes (100) are positioned directly below the baffles (200), and the baffles (200) and aeration pipes (100) extend in the same direction. Side plates (400) are located at both ends of the aeration pipes (100) and baffles (200). Each side plate (400) includes a bottom side plate (401), a left traction side plate (402), a left positioning frame (405), and a right traction side plate (400). 03) and right positioning frame (406), both ends of aeration pipe (100) are installed on side plate (400), the lower parts of left positioning frame (405) and right positioning frame (406) are rotatably installed on side plate (400), ear plate (404) is connected to the upper outer side wall of left positioning frame (405), multiple left positioning frames (405) are rotatably connected to left traction side plate (402) through ear plate (404), ear plate (404) is connected to the middle outer side wall of right positioning frame (406), multiple right positioning frames (406) are rotatably connected to right traction side plate (403) through ear plate (404), both ends of first baffle (201) are inserted into left positioning frame (405), and both ends of second baffle (202) are inserted into right positioning frame (406).

2. The aeration device according to claim 1, characterized in that, The side plate (400) has a first fixing groove on the left positioning frame (405), a second fixing groove on the right positioning frame (406), and a plurality of circular fixing grooves on the bottom side plate (401). The circular fixing grooves are used to fix the aeration pipe (100), the first fixing groove is used to fix the first baffle (201), and the second fixing groove is used to fix the second baffle (202).

3. An aeration device according to claim 2, characterized in that, The included angle between the first baffle (201) and the second baffle (202) is adjustable, and the adjustment range of the included angle is 5°-180°.

4. An aeration device according to claim 3, characterized in that, The aeration device is located below the ceramic flat sheet membrane (M10), and the position of the baffle (200) is configured such that the gas flowing out of the aeration pipe (100) can sweep the side of the ceramic flat sheet membrane (M10).

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