Pollution-blocking-resistant hollow fiber membrane aeration device

Abstract

The utility model discloses a hollow fiber membrane aeration device resistant to pollution and blockage, and relates to the technical field of aeration of water areas. The hollow fiber membrane aeration device resistant to pollution and blockage comprises a shell, two baffles are rotationally connected to the interior of the shell, and the interior of the shell is divided into a mixing cavity and a pollution-resistant filtering cavity by the two baffles; the stirring assembly is arranged in the mixing cavity of the shell and comprises a stirring frame, stirring blades, a second motor, a first connecting rod, a second connecting rod, a sliding rod, a stirring shaft and a third motor, the third motor is installed at the upper end of the shell, and the interior of the shell is divided into the mixing cavity and a stain-resistant filtering cavity by arranging two baffles. The liquid can be fully stirred by the stirring assembly in the mixing cavity to be mixed with oxygen, so that the phenomenon of poor stirring and mixing caused by the fact that the liquid falls into the lower end of the hollow fiber membrane due to the gravity of the liquid is avoided, and full fusion of all the liquid and the oxygen is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of aeration in water areas, in particular to a hollow fiber membrane aeration device which is resistant to fouling and clogging. Background Art

[0002] Aeration not only makes the liquid in the pool contact with air for oxygenation, but also accelerates the transfer of oxygen in the air to the liquid due to the stirring of the liquid, thereby achieving the purpose of oxygenation. The Chinese utility model patent, authorization announcement number "CN211111330U", discloses a novel hollow fiber membrane aeration device, including a shell, a hollow fiber membrane filter is arranged at the bottom end of the shell, an air compressor is installed at the bottom end of one side of the shell outside through a mounting seat, an air inlet pipe is fixedly arranged on the side of the air compressor away from the shell, a liquid inlet pipe is arranged at the top end of one side of the shell outside, a first valve is fixedly arranged on one end of the liquid inlet pipe close to the shell, a liquid outlet pipe is arranged at the bottom end of the side of the shell outside away from the air compressor, a second valve is arranged at one end of the liquid outlet pipe close to the shell, and a motor is installed on the top of the shell through a mounting seat.

[0003] The above technical solution transports high-pressure gas to the shell by arranging a hollow fiber membrane. Since the hollow fiber membrane has excellent chemical corrosion resistance and oxidation resistance, it can greatly increase the types of liquids that the aeration device can adapt to, and effectively improve the use effect of the aeration device. Since the first stirring rod is blocked by the hollow fiber membrane filter, at the same time, the liquid entering the shell will flow directly to the bottom of the hollow fiber membrane filter due to gravity, which makes it impossible for the first stirring rod to stir it, resulting in poor mixing of the liquid and oxygen below the hollow fiber membrane filter. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a hollow fiber membrane aeration device that is resistant to fouling and clogging, which can solve the problem that the liquid below the hollow fiber membrane filter cannot be stirred, resulting in poor oxygen mixing.

[0005] To achieve the above object, the utility model provides the following technical solutions: a hollow fiber membrane aeration device resistant to fouling and clogging, comprising a shell, wherein two baffles are rotatably connected to the inside of the shell, and the two baffles divide the inside of the shell into a mixing chamber and a fouling-resistant filtering chamber;

[0006] The stirring assembly is arranged in the mixing chamber of the shell, and the stirring assembly includes a stirring frame, a stirring blade, a second motor, a first connecting rod, a second connecting rod, a sliding rod, a stirring shaft and a third motor. The third motor is installed at the upper end of the shell, and the output shaft of the third motor rotates and penetrates the upper surface of the shell, and the stirring shaft is sleeved on the output shaft of the third motor;

[0007] A hollow fiber membrane is fixedly installed in the anti-fouling filter cavity of the shell.

[0008] Preferably, the plurality of stirring blades are sleeved on the stirring shaft, and the second motor is mounted on the surface of the shell.

[0009] Preferably, one end of the first connecting rod is mounted on the output shaft of the second motor, the other end of the first connecting rod is rotatably connected to one end of the second connecting rod, and the other end of the second connecting rod is rotatably connected to the sliding rod.

[0010] Preferably, the slide rod slides through the surface of the shell, and the slide rod is welded to the stirring frame.

[0011] Preferably, two first motors are installed on the surface of the shell, and the two first motors have a self-locking function. The output shafts of the two first motors rotate and penetrate the surface of the shell. The output shafts of the two first motors are sleeved with a rotating shaft, and the interiors of the two baffles are fixedly sleeved with the surfaces of the corresponding rotating shafts.

[0012] Preferably, an outlet valve is installed on the surface of the shell, an inlet valve is installed on the surface of the shell, an air compressor is installed on the surface of the shell, the output end of the air compressor is installed together with the surface of the shell, and rubber pads are fixedly bonded to the surfaces of the two baffles.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The anti-fouling and clogging hollow fiber membrane aeration device divides the interior of the shell into a mixing chamber and an anti-fouling filtering chamber by arranging two baffles, so that the liquid can be fully stirred and mixed with oxygen by the stirring component in the mixing chamber, thereby avoiding the phenomenon that the liquid falls to the lower end of the hollow fiber membrane due to its own gravity, resulting in poor stirring and mixing, thereby ensuring that all the liquid can be fully integrated with the oxygen, thereby ensuring the degree of mixing of the liquid and oxygen.

[0015] (2) The anti-fouling and anti-clogging hollow fiber membrane aeration device is provided with a hollow fiber membrane in a anti-fouling filter cavity. The hollow fiber membrane has a good filtering function and can effectively remove dirt and grime from the liquid passing through it, thereby improving the quality of the outflowing liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a schematic diagram of the structure inside the shell of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 3This is a schematic diagram of the connection relationship between the baffle and the rubber pad of the utility model.

[0020] Figure numerals: 1. first motor; 2. rotating shaft; 3. outlet valve; 4. shell; 5. stirring frame; 6. stirring blade; 7. second motor; 8. first connecting rod; 9. second connecting rod; 10. sliding rod; 11. stirring shaft; 12. third motor; 13. inlet valve; 14. air compressor; 15. baffle; 16. rubber pad; 17. hollow fiber membrane. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present utility model, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0025] See also Figure 1-3 The utility model provides a technical solution: a hollow fiber membrane aeration device resistant to fouling and clogging, comprising a shell 4, the interior of which is rotatably connected to two baffles 15, and the two baffles 15 divide the interior of the shell 4 into a mixing chamber and a fouling-resistant filtering chamber;

[0026] The stirring assembly is arranged in the mixing chamber of the shell 4, and the stirring assembly includes a stirring frame 5, a stirring blade 6, a second motor 7, a first connecting rod 8, a second connecting rod 9, a sliding rod 10, a stirring shaft 11 and a third motor 12. The third motor 12 is installed at the upper end of the shell 4, and the output shaft of the third motor 12 rotates and penetrates the upper surface of the shell 4. The stirring shaft 11 is sleeved on the output shaft of the third motor 12;

[0027] A hollow fiber membrane 17 is fixedly installed in the anti-fouling filter cavity of the housing 4 .

[0028] The plurality of stirring blades 6 are all sleeved on the stirring shaft 11 , and the second motor 7 is installed on the surface of the housing 4 .

[0029] One end of the first connecting rod 8 is mounted on the output shaft of the second motor 7 , the other end of the first connecting rod 8 is rotatably connected to one end of the second connecting rod 9 , and the other end of the second connecting rod 9 is rotatably connected to the sliding rod 10 .

[0030] The sliding rod 10 slides through the surface of the shell 4 , and the sliding rod 10 is welded to the stirring frame 5 .

[0031] Two first motors 1 are installed on the surface of the shell 4. Both first motors 1 have a self-locking function. The output shafts of the two first motors 1 rotate and penetrate the surface of the shell 4. The output shafts of the two first motors 1 are sleeved with a rotating shaft 2. The interiors of the two baffles 15 are fixedly sleeved with the surfaces of the corresponding rotating shafts 2.

[0032] An outlet valve 3 is installed on the surface of the shell 4, an inlet valve 13 is installed on the surface of the shell 4, an air compressor 14 is installed on the surface of the shell 4, the output end of the air compressor 14 is installed together with the surface of the shell 4, and rubber pads 16 are fixedly bonded to the surfaces of the two baffles 15.

[0033] When gas explosion is needed, first, start the inlet valve 13 to inject liquid, and start the air compressor 14 to inject oxygen. Then close the inlet valve 13 and the air compressor 14, start the third motor 12 to drive the stirring shaft 11 to rotate, the rotation of the stirring shaft 11 drives the multiple stirring blades 6 to rotate, and the rotation of the multiple stirring blades 6 drives the liquid and oxygen to mix. At the same time, start the second motor 7 to drive the first connecting rod 8 to rotate, the rotation of the first connecting rod 8 drives the second connecting rod 9 to move, the movement of the second connecting rod 9 drives the sliding rod 10 to reciprocate up and down, and the reciprocating movement of the sliding rod 10 drives the stirring frame 5 to reciprocate up and down to perform gas explosion.

[0034] After the explosion is completed, the two first motors 1 are started to drive the corresponding rotating shafts 2 to rotate. The rotation of the two rotating shafts 2 drives the corresponding baffles 15 to rotate, and then the liquid falls by its own gravity. Then the outlet valve 3 is started, and the liquid is decontaminated by the hollow fiber membrane 17 and flows out of the interior of the shell 4 through the outlet valve 3.

[0035] By setting two baffles 15, the interior of the shell 4 is divided into a mixing chamber and a dirt-resistant filter chamber, so that the liquid can be fully stirred and mixed with oxygen by the stirring component in the mixing chamber, thereby avoiding the phenomenon of poor stirring and mixing caused by the liquid falling to the lower end of the hollow fiber membrane 17 due to its own gravity, thereby ensuring that all the liquid can be fully integrated with oxygen, thereby ensuring the degree of mixing of the liquid and oxygen.

[0036] By arranging the hollow fiber membrane 17 in the dirt-resistant filter cavity, the hollow fiber membrane 17 has a good filtering function, which can effectively remove dirt and grime from the liquid passing through it, thereby improving the quality of the outflowing liquid.

[0037] Working principle:

[0038] When gas explosion is needed, first, start the inlet valve 13 to inject liquid, and start the air compressor 14 to inject oxygen, then close the inlet valve 13 and the air compressor 14, start the third motor 12 to drive the stirring shaft 11 to rotate, the stirring shaft 11 drives the multiple stirring blades 6 to rotate, and the multiple stirring blades 6 drive the liquid and oxygen to mix, at the same time, start the second motor 7 to drive the first connecting rod 8 to rotate, the first connecting rod 8 drives the second connecting rod 9 to move, the second connecting rod 9 drives the sliding rod 10 to reciprocate up and down, and the sliding rod 10 drives the stirring frame 5 to reciprocate up and down to perform gas explosion.

[0039] After the explosion is completed, the two first motors 1 are started to drive the corresponding rotating shafts 2 to rotate, and the two rotating shafts 2 drive the corresponding baffles 15 to rotate.

[0040] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A hollow fiber membrane aeration device that is resistant to fouling and clogging, It is characterized in that include: A shell (4), wherein two baffles (15) are rotatably connected inside the shell (4), and the two baffles (15) divide the interior of the shell (4) into a mixing chamber and a dirt-resistant filtering chamber; The stirring assembly is arranged in the mixing chamber of the shell (4), and comprises a stirring frame (5), a stirring blade (6), a second motor (7), a first connecting rod (8), a second connecting rod (9), a sliding rod (10), a stirring shaft (11) and a third motor (12). The third motor (12) is mounted on the upper end of the shell (4), and the output shaft of the third motor (12) rotates and penetrates the upper surface of the shell (4). The stirring shaft (11) is sleeved on the output shaft of the third motor (12); A hollow fiber membrane (17) is fixedly installed in the anti-fouling filter cavity of the housing (4).

2. A hollow fiber membrane aeration device resistant to fouling and clogging according to claim 1, Features: The plurality of stirring blades (6) are sleeved on the stirring shaft (11), and the second motor (7) is mounted on the surface of the housing (4).

3. A hollow fiber membrane aeration device resistant to fouling and clogging according to claim 1, Features: One end of the first connecting rod (8) is mounted on the output shaft of the second motor (7), the other end of the first connecting rod (8) is rotatably connected to one end of the second connecting rod (9), and the other end of the second connecting rod (9) is rotatably connected to the sliding rod (10).

4. A hollow fiber membrane aeration device resistant to fouling and clogging according to claim 1, Features: The sliding rod (10) slides through the surface of the shell (4), and the sliding rod (10) is welded to the stirring frame (5).

5. A hollow fiber membrane aeration device resistant to fouling and clogging according to claim 1, Features: Two first motors (1) are mounted on the surface of the housing (4), the two first motors (1) both have a self-locking function, the output shafts of the two first motors (1) both rotate and penetrate the surface of the housing (4), the output shafts of the two first motors (1) are both sleeved with a rotating shaft (2), and the interiors of the two baffles (15) are both fixedly sleeved with the surfaces of the corresponding rotating shafts (2).

6. A hollow fiber membrane aeration device resistant to fouling and clogging according to claim 1, Features: An outlet valve (3) is installed on the surface of the shell (4), an inlet valve (13) is installed on the surface of the shell (4), an air compressor (14) is installed on the surface of the shell (4), the output end of the air compressor (14) is installed together with the surface of the shell (4), and rubber pads (16) are fixedly bonded to the surfaces of the two baffles (15).

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