Contact type oxidation film bioreactor

Abstract

The invention relates to the technical field of sewage treatment equipment, in particular to a contact type oxidation film bioreactor, which comprises a distance increasing mechanism, comprising a motor, a bearing table located on the inner wall of the motor, mounting frames symmetrically arranged on the bearing table, guide rails arranged on the two adjacent mounting frames, a distance increasing assembly movably arranged on the guide rails and driving assemblies fixedly arranged on the mounting frames, and the distance increasing assembly is used for increasing or reducing the distance between the two adjacent membrane bioreactors; the intermittent aeration mechanism comprises an aeration assembly arranged on the bearing table, a shielding assembly is movably arranged on the aeration assembly, the aeration assembly is used for increasing the oxygen content in the water body, the shielding assembly is used for enabling the aeration assembly to perform intermittent aeration, the shielding assembly is driven by a driving assembly, and the shielding assembly is driven by a motor driving device and a guide rail guiding technology. And the distance increasing assembly on the mounting frame can realize accurate and dynamic adjustment of the distance between the two membrane bioreactors. Through the design, the flexibility is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment equipment, and in particular to a contact oxidation film bioreactor. Background Art

[0002] Membrane bioreactor (MBR) is a sewage treatment equipment, which is an organic combination of membrane separation technology and biotechnology. It mainly replaces the secondary sedimentation tank and conventional filtration unit of the traditional activated sludge method with ultrafiltration or microfiltration membrane separation technology. It has the advantages of more compact footprint, small filtration pressure difference, high pollutant removal rate, good and stable effluent quality, and has been widely used in the fields of urban sewage treatment and reuse, high-concentration organic industrial wastewater treatment, and purification of polluted river water. The main components of common membrane bioreactors include flat membrane, roll membrane and hollow membrane, among which flat membrane is a main form with a wide range of applications. The existing flat membrane bioreactor mainly includes a support frame, a number of flat membrane elements installed on the support frame, and an aeration device installed at the bottom of the support frame. When the flat membrane bioreactor is working, the flat membrane bioreactor is hoisted into the bioreactor tank, the flat membrane bioreactor is immersed in the sewage, and after being filtered by the flat membrane element, the clean water is pumped into the clean water tank under the action of the suction pump. The aeration device is used for aeration to stir the water body, accelerate the transfer of oxygen in the air to the water body, thereby completing the purpose of oxygenation. At the same time, the turbulent motion and shearing effect of the jet are used to cut the gas to generate tiny bubbles. The generated bubbles pass through the membrane surface quickly, and the shear force generated by the hydraulic circulation flushes the membrane surface, taking away the sludge deposited on the membrane surface, effectively preventing membrane pollution; The Chinese patent with the existing authorization announcement number CN112390351B discloses a membrane bioreactor, including a mounting frame, a filter membrane group is mounted on the mounting frame, a drain pipe and a backwash pipe are connected to the filter membrane group, the filter membrane group includes a plurality of filter membrane cores, an aeration device is mounted on the mounting frame, the aeration device includes an air inlet pipe, an air guide pipe is connected to the air inlet pipe, a connecting pipe is provided on the air guide pipe, an aeration pipe is rotatably mounted on the connecting pipe, the aeration pipe includes an inner pipe and an outer pipe, a sealing seat is mounted at the bottom end of the outer pipe, a sealing bearing is mounted between the sealing seat and the connecting pipe, a sealing cover is mounted on the outer pipe, a plurality of groups of first arc holes are axially opened on the outer pipe, and a plurality of groups of second arc holes are axially opened on the inner pipe, which is used to solve the problem that the oxygen supply needs to rely on the flow of water itself due to the current limited aeration area, resulting in uneven oxygen dispersion, and the bottom mud is easy to enter the aeration pipe along the aeration hole after the aeration is stopped; In the design of the above-mentioned membrane bioreactor, there is still the problem that intermittent aeration cannot be performed to prevent sludge clogging.

[0003] To this end, the present invention proposes a contact oxidation film bioreactor. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a contact oxidation film bioreactor, which solves the problem that the distance between adjacent reaction membranes in the prior contact oxidation film bioreactor cannot be adjusted.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: including: The distance increasing mechanism comprises a motor and a bearing platform located on the inner wall of the motor, a mounting frame symmetrically arranged on the bearing platform, a guide rail arranged on two adjacent mounting frames, a distance increasing component movably arranged on the guide rail, and a driving component fixedly arranged on the mounting frame, wherein the distance increasing component is used to increase or decrease the distance between two adjacent membrane bioreactors; The intermittent aeration mechanism comprises an aeration component arranged on a supporting platform, a shielding component is movably arranged on the aeration component, the aeration component is used to increase the oxygen content in the water body, the shielding component is used to make the aeration component perform intermittent aeration, and the shielding component is driven by a driving component.

[0006] Preferably, the distance-increasing component includes a slider movably arranged on a guide rail, a connecting rod is fixedly provided on the slider, a mounting piece is provided on the outer wall of the connecting rod, a limiting column is provided on the inner wall of the connecting rod, a distance-increasing plate is provided between the outer wall and the inner wall of the connecting rod, a sliding rail is provided on the mounting frame, the distance-increasing plate is slidably connected to the mounting frame via the sliding rail, a distance-increasing groove is provided on the distance-increasing plate, and the limiting column is slidably connected to the distance-increasing plate via the distance-increasing groove.

[0007] Preferably, the driving assembly includes a motor and a first mounting block arranged on a mounting frame, a second pulley is rotatably provided on the first mounting block via a connecting shaft, a first pulley is provided on the driving end of the motor, the first pulley and the second pulley are driven by a belt, a third mounting block is threadedly sleeved on the circumferential surface of the connecting shaft, the third mounting block is connected to the distance increasing plate, the other end of the connecting shaft is sequentially provided with a second mounting block and a first bevel gear from top to bottom, the connecting shaft is rotatably connected to the second mounting block, and one side of the second mounting block is connected to the mounting frame.

[0008] Preferably, the aeration assembly includes aeration pipes symmetrically arranged in the supporting platform, the two aeration pipes are connected through a connecting pipe, the connecting pipe is provided with an air intake cylinder for air intake, and the two aeration pipes are provided with aeration holes in an array.

[0009] Preferably, the shielding assembly includes a gear roller which is arranged at the separated ends of two aeration tubes by rotating a rotating shaft, and a second bevel gear is provided at one end of each gear roller, and the second bevel gear meshes with the first bevel gear. A first slide groove is opened on the circumferential surface of the aeration tube, and a shielding member is slidably provided on the aeration tube through the first slide groove, and the shielding member meshes with the gear roller.

[0010] Preferably, the distance increasing grooves on the distance increasing plate are distributed in a fan-shaped radial pattern.

[0011] Preferably, the connecting rod is an L-shaped structure.

[0012] Preferably, one side of the two mounting members distributed opposite to each other is provided with a mounting block, and the mounting block is provided with a locking member for quickly mounting and dismounting the membrane bioreactor.

[0013] Preferably, the locking member includes a sliding plate that is slidably arranged in the mounting member through a second sliding groove, the sliding plate is provided with a spring at one end connected to the mounting member at the bottom, a guide groove is opened on the sliding plate, and a clamping member for connecting to the membrane bioreactor is slidably arranged in the guide groove, and the membrane bioreactor will open or lock the sliding plate in the second sliding groove when the sliding plate is pressed down.

[0014] Preferably, the guide groove is heart-shaped.

[0015] By means of the above technical solution, the present invention provides a contact oxidation film bioreactor, which has at least the following beneficial effects: 1. The present invention integrates the motor drive device and the precision rail guidance technology, and the distance extension component on the mounting frame can achieve accurate and dynamic adjustment of the distance between two membrane bioreactors (MBR). This design improves flexibility, enabling it to quickly respond to the needs of different treatment processes and flexibly adjust the spatial layout of the MBR modules, thereby maximizing treatment efficiency and optimizing resource utilization. In addition, this mechanism also promotes the convenience of device maintenance and provides customized solutions for sewage treatment projects of different scales and treatment capacities.

[0016] 2. In terms of optimizing the aeration effect, the present invention introduces an innovative shielding adjustment mechanism. This mechanism cleverly combines the synergistic effect of the shielding member and the toothed roller, and realizes the intelligent management of the aeration process by accurately controlling the opening and closing states of the aeration holes. When the shielding member covers the aeration hole, the aeration activity stops immediately, effectively avoiding unnecessary waste of oxygen; and when the shielding member is removed and the aeration hole is exposed again, the aeration process is immediately resumed, ensuring the on-demand supply of oxygen. This intermittent aeration strategy not only significantly improves the oxygen utilization efficiency, but also reduces the overall energy consumption of the device, further improving the aeration effect and the energy efficiency level of the entire biological treatment device.

[0017] 3. The present invention has also made revolutionary improvements to the installation and disassembly of the membrane bioreactor. By integrating the locking member and the sliding plate design on the mounting member, the present invention greatly simplifies the installation and disassembly process of the MBR. The operator only needs to perform a simple downward sliding plate operation to easily achieve the initial installation and positioning of the MBR module; then, the automatic locking function of the locking member will ensure that the MBR is firmly fixed in the predetermined position without the need for additional fastening tools or complicated operations. This design not only greatly reduces the difficulty and time cost of operation, but also significantly improves work efficiency and safety, providing great convenience for the daily maintenance and replacement of the membrane bioreactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings: Figure 1 It is the overall three-dimensional structure diagram of the testing device of the present invention; Figure 2 For the present invention Figure 1 A three-dimensional structural diagram of the coordinated installation of the middle distance increasing mechanism and the intermittent aeration mechanism; Figure 3 For the present invention Figure 2 A partial structural cross-sectional view; Figure 4 It is a partial structural stereogram of the distance increasing mechanism in the present invention; Figure 5 for Figure 4 The three-dimensional diagram of the movement structure of the middle mounting part; Figure 6 It is a schematic diagram of the structure of the distance increasing plate in the present invention; Figure 7 for Figure 3 A partial enlarged schematic diagram of the first bevel gear in the middle; Figure 8 It is a three-dimensional diagram of the partial explosion structure of the intermittent aeration component in the present invention; Fig. 9 It is a schematic diagram of the structure of the clamping piece on the mounting piece in the present invention.

[0019] Reference numerals: 100, distance increasing mechanism; 101, motor; 1011, first pulley; 1012, second pulley; 1013, first mounting block; 1014, distance increasing plate; 10141, distance increasing groove; 1015, first bevel gear; 1016, second mounting block; 1017, connecting shaft; 1018, third mounting block; 102, bearing platform; 1021, mounting frame; 1022, guide rail; 102 3. Limiting column; 1024. Connecting rod; 10241. Mounting piece; 102411. Sliding plate; 102412. Guide groove; 102413. Spring; 1025. Sliding block; 200. Intermittent aeration mechanism; 201. Aeration pipe; 2011. Aeration hole; 2012. Slide groove; 202. Connecting pipe; 203. Air inlet cylinder; 204. Tooth roller; 205. Second bevel gear; 206. Shielding piece. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] Embodiment 1 Please refer to Figure 1-Figure 2 To solve the above technical problems, the present invention provides the following technical solutions: The distance increasing mechanism 100 includes a motor 101 and a carrier platform 102 located on the inner wall of the motor 101, a mounting frame 1021 symmetrically arranged on the carrier platform 102, a guide rail 1022 arranged on two adjacent mounting frames 1021, a distance increasing component movably arranged on the guide rail 1022, and a driving component fixed to the mounting frame 1021, wherein the distance increasing component is used to increase or decrease the distance between two adjacent membrane bioreactors; The intermittent aeration mechanism 200 includes an aeration component disposed on a carrier 102, on which a shielding component is movably provided, the aeration component is used to increase the oxygen content in the water body, the shielding component is used to enable the aeration component to perform intermittent aeration, and the shielding component is driven by a driving component.

[0022] As can be seen from the above, the distance increasing mechanism 100 and the intermittent aeration mechanism 200 work together to achieve flexible adjustment of the distance in the membrane bioreactor system and effective management of the oxygen content of the water body. In the distance increasing mechanism 100, the motor 101 is used as a power source, and its rotational motion is converted into a linear driving force through an internal transmission mechanism. This driving force acts on the distance increasing component located on the mounting frame 1021. The distance increasing component is movably mounted on the guide rail 1022, and is subjected to the linear force driven by the motor 101, and slides along the guide rail 1022, thereby adjusting and locking in a predetermined position, so as to increase or decrease the distance between two adjacent membrane bioreactors, thereby reducing the interaction of reactions between two adjacent membrane bioreactors. At the same time, the intermittent aeration mechanism 200 is responsible for increasing and managing the oxygen content of the water body. The aeration component is mounted on the carrier 102, and oxygen is injected into the water through a gas compressor or an oxygen pump. In order to improve the aeration efficiency and avoid excessive aeration, a shielding member is provided. The movement of the shielding member is controlled by the above-mentioned driving component and the movement of the shielding member is realized through mechanical transmission. When the shield blocks the aeration port, aeration stops; when the shield is removed, aeration continues, thus achieving the effect of intermittent aeration. This intermittent aeration method helps to use oxygen more efficiently while reducing energy consumption.

[0023] In summary, the distance increasing mechanism 100 is driven by the motor 101 and guided by the guide rail 1022 to achieve flexible adjustment of the distance between the membrane bioreactors and reduce the interaction of the reactions between two adjacent membrane bioreactors; while the intermittent aeration mechanism 200 achieves precise management of the oxygen content of the water body through the coordinated work of the aeration component and the shielding member. The two work together on the membrane bioreactor system to improve the overall performance and operation efficiency of the system.

[0024] Embodiment 2 Please refer to Figure 1-Figure 9 This embodiment is basically the same as the first embodiment. This embodiment is made on the basis of the first embodiment and has the same beneficial effects as the first embodiment. The same parts can be referred to each other and will not be described in detail here.

[0025] As a further technical solution of this embodiment, the distance-increasing component includes a slider 1025 movably arranged on the guide rail 1022, a connecting rod 1024 is fixedly provided on the slider 1025, a mounting piece 10241 is provided on the outer wall of the connecting rod 1024, a limiting column 1023 is provided on the inner wall of the connecting rod 1024, a distance-increasing plate 1014 is provided between the outer wall and the inner wall of the connecting rod 1024, a sliding rail is provided on the mounting frame 1021, the distance-increasing plate 1014 is slidably connected to the mounting frame 1021 through the sliding rail, a distance-increasing groove 10141 is opened on the distance-increasing plate 1014, and the limiting column 1023 is slidably connected to the distance-increasing plate 1014 through the distance-increasing groove 10141.

[0026] The driving assembly includes a motor 101 and a first mounting block 1013 arranged on a mounting frame 1021, a second pulley 1012 is rotatably provided on the first mounting block 1013 via a connecting shaft 1017, a first pulley 1011 is provided on the driving end of the motor 101, the first pulley 1011 and the second pulley 1012 are driven by a belt, a third mounting block 1018 is threadedly sleeved on the circumference of the connecting shaft 1017, the third mounting block 1018 is connected to the distance increasing plate 1014, the other end of the connecting shaft 1017 is sequentially provided with a second mounting block 1016 and a first bevel gear 1015 from top to bottom, the connecting shaft 1017 is rotatably connected to the second mounting block 1016, and one side of the second mounting block 1016 is connected to the mounting frame 1021.

[0027] The distance increasing grooves 10141 on the distance increasing plate 1014 are distributed in a fan-shaped radial pattern.

[0028] The connecting rod 1024 is an L-shaped structure.

[0029] One side of the two mounting parts 10241 distributed opposite to each other is provided with a mounting block, and the mounting block is provided with a locking part for quickly installing and disassembling the membrane bioreactor.

[0030] The locking member includes a sliding plate 102411 that is slidably arranged in the mounting member 10241 through a second sliding groove. The sliding plate 102411 is provided with a spring 102413 at one end connected to the mounting member 10241 at the bottom. The sliding plate 102411 is provided with a guide groove 102412. A clamping member for connecting to a membrane bioreactor is slidably arranged in the guide groove 102412. When the membrane bioreactor presses down the sliding plate 102411, the sliding plate 102411 will be opened or locked in the second sliding groove.

[0031] The guide groove 102412 is heart-shaped.

[0032] As can be seen from the above, the coordinated work of the distance increasing component and the driving component can precisely control the distance between the membrane bioreactors (MBR) in a highly automated manner, realizing the intelligent and flexible adjustment of the distance. After the motor 101 is started as the core power source, the power is smoothly and efficiently transmitted to the connecting shaft 1017 through the precisely designed belt transmission system. During the rotation process, the connecting shaft 1017 uses the precise thread structure on its surface to tightly combine with the third mounting block 1018, driving the third mounting block 1018 to move precisely along the axial direction. This movement causes the distance increasing plate 1014 to move accordingly through mechanical linkage, thereby changing the relative distance between it and the connecting rod 1024. The movement of the distance increasing plate 1014 is controlled by the cooperation of the distance increasing groove 10141 and the limiting column 1023, ensuring the stability and accuracy of the movement. The special design of the distance increasing groove 10141 allows the limiting column 1023 to slide inside it, realizing the expansion or contraction of the distance increasing plate within a preset range, thereby realizing the fine adjustment or large-scale adjustment of the distance between the membrane bioreactors (MBR). During the installation of the membrane bioreactor (MBR), the mounting member 10241 (with an integrated locking member) is stationary on the connecting rod 1024, providing a stable support point for the accurate docking of the membrane bioreactor (MBR). The operator only needs to accurately align the membrane bioreactor (MBR) with the mounting member 10241, and then press down the sliding plate 102411. When the sliding plate 102411 is subjected to external force, it overcomes the elastic force of the spring 102413, moves smoothly in the second slide groove, and opens the heart-shaped ring-shaped guide groove 102412. At this time, the clamping member on the membrane bioreactor (MBR) is easily inserted into the guide groove 102412 to achieve preliminary installation and docking. Once the clamping member fully enters the guide groove 102412, the operator can release the pressure on the sliding plate 102411. At this time, the spring 102413 rebounds quickly, pushing the sliding plate 102411 back to its original position, and the locking mechanism of the guide groove 102412 locks the card connector firmly in the groove, ensuring that the installation of the membrane bioreactor (MBR) is stable and reliable. In the entire workflow, the close cooperation between the distance increase and the drive assembly not only simplifies the installation and spacing adjustment process of the membrane bioreactor (MBR), but also significantly improves the work efficiency and accuracy. At the same time, the sophisticated design of the locking piece not only ensures the stability of the membrane bioreactor (MBR) installation, but also provides a convenient disassembly method, greatly reducing the difficulty of operation and the error rate, and improving the reliability and maintenance convenience of the overall system.

[0033] Embodiment 3 Please refer to Figure 1-Figure 9 This embodiment is basically the same as the first embodiment. This embodiment is made on the basis of the first embodiment and has the same beneficial effects as the first embodiment. The same parts can be referred to each other and will not be described in detail here.

[0034] As a further technical solution of this embodiment, the aeration assembly includes an aeration tube 201 symmetrically arranged in the support platform 102, the two aeration tubes 201 are connected by a connecting tube 202, the connecting tube 202 is provided with an air intake cylinder 203 for air intake, and the two aeration tubes 201 are provided with aeration holes 2011 in an array.

[0035] The shielding assembly includes a gear roller 204 which is arranged at the separated ends of two aeration tubes 201 by rotating a rotating shaft, and a second bevel gear 205 is provided at one end of each gear roller 204, and the second bevel gear 205 meshes with the first bevel gear 1015. A first slide groove 2012 is opened on the circumferential surface of the aeration tube 201, and a shielding member 206 is slidably provided on the aeration tube 201 through the first slide groove 2012, and the shielding member 206 meshes with the gear roller 204.

[0036] As can be seen from the above, the aeration assembly is integrated inside the carrier 102, and is composed of a pair of symmetrically arranged aeration tubes 201. The two aeration tubes 201 achieve gas communication through the connecting tube 202 to ensure uniform distribution of gas. The air inlet cylinder 203 is installed on the connecting tube 202, serving as the entrance for gas to enter the water body, providing the required gas source for the aeration process. Aeration holes 2011 are evenly arrayed on the surface of the aeration tube 201. These holes are channels for gas to be released to the external environment, thereby achieving effective aeration. In order to regulate the aeration effect, the component is designed with a shielding adjustment mechanism consisting of a toothed roller 204, a second bevel gear 205 and a shielding member 206. The toothed roller 204 is installed at the relatively far ends of the two aeration tubes 201 through a rotating shaft, and its rotation can be controlled by an external power source. Specifically, a second bevel gear 205 is provided at one end of each gear roller 204, and these second bevel gears are meshed with the first bevel gear 1015 installed in the drive assembly to form a bevel gear transmission pair, so that the power of the drive assembly can be transmitted to the gear roller 204 to drive it to rotate. A first slide groove 2012 is also provided on the circumferential surface of the aeration tube 201 for installing and guiding the sliding of the shielding member 206. The shielding member 206 is meshed with the teeth of the gear roller 204. When the gear roller 204 rotates, the shielding member 206 is driven to slide in the first slide groove 2012 through the meshing action. It allows the shielding member 206 to dynamically block or expose the aeration hole 2011 according to the rotation position and speed of the gear roller 204, thereby realizing precise adjustment of the aeration amount. By adjusting the rotation parameters of the gear roller 204, the gas flow distribution during the aeration process can be flexibly controlled to meet the aeration requirements under different working conditions.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] Each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the above embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiments.

[0039] 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. A contact oxidation film bioreactor, characterized in that: include: The distance increasing mechanism (100) comprises a motor (101) and a bearing platform (102) located on the inner wall of the motor (101), a mounting frame (1021) symmetrically arranged on the bearing platform (102), a guide rail (1022) arranged on two adjacent mounting frames (1021), a distance increasing component movably arranged on the guide rail (1022), and a driving component fixed to the mounting frame (1021), wherein the distance increasing component is used to increase or decrease the distance between two adjacent membrane bioreactors; The intermittent aeration mechanism (200) comprises an aeration component arranged on a carrier platform (102), a shielding component movably provided on the aeration component, the aeration component being used to increase the oxygen content in the water body, the shielding component being used to enable the aeration component to perform intermittent aeration, and the shielding component being driven by a driving component.

2. A contact oxidation film bioreactor according to claim 1, characterized in that: The distance increasing component comprises a slider (1025) movably arranged on a guide rail (1022); a connecting rod (1024) is fixedly arranged on the slider (1025); a mounting piece (10241) is arranged on the outer wall of the connecting rod (1024); a limiting column (1023) is arranged on the inner wall of the connecting rod (1024); a distance increasing plate (1014) is arranged between the outer wall and the inner wall of the connecting rod (1024); a sliding rail is arranged on the mounting frame (1021); the distance increasing plate (1014) is slidably connected to the mounting frame (1021) via the sliding rail; a distance increasing groove (10141) is opened on the distance increasing plate (1014); and the limiting column (1023) is slidably connected to the distance increasing plate (1014) via the distance increasing groove (10141).

3. A contact oxidation film bioreactor according to claim 2, characterized in that: The driving assembly comprises a motor (101) and a first mounting block (1013) arranged on a mounting frame (1021); a second pulley (1012) is rotatably provided on the first mounting block (1013) via a connecting shaft (1017); a first pulley (1011) is provided on the driving end of the motor (101); the first pulley (1011) and the second pulley (1012) are driven by a belt; a third mounting block (1018) is threadedly sleeved on the circumference of the connecting shaft (1017); the third mounting block (1018) is connected to a distance increasing plate (1014); a second mounting block (1016) and a first bevel gear (1015) are sequentially provided on the other end of the connecting shaft (1017) from top to bottom; the connecting shaft (1017) is rotatably connected to the second mounting block (1016); and one side of the second mounting block (1016) is connected to the mounting frame (1021).

4. A contact oxidation film bioreactor according to claim 3, characterized in that: The aeration assembly comprises aeration pipes (201) symmetrically arranged in the support platform (102); the two aeration pipes (201) are connected via a connecting pipe (202); an air intake cylinder (203) for air intake is provided on the connecting pipe (202); and the two aeration pipes (201) are provided with aeration holes (2011) in an array.

5. A contact oxidation film bioreactor according to claim 4, characterized in that: The shielding assembly comprises a toothed roller (204) which is arranged at the separated ends of two aeration tubes (201) by rotating through a rotating shaft, a second bevel gear (205) is provided at one end of each of the toothed rollers (204), the second bevel gear (205) meshes with the first bevel gear (1015), a first slide groove (2012) is provided on the circumference of the aeration tube (201), a shielding member (206) is slidably provided on the aeration tube (201) through the first slide groove (2012), and the shielding member (206) meshes with the toothed roller (204).

6. A contact oxidation film bioreactor according to claim 2, characterized in that: The distance increasing grooves (10141) on the distance increasing plate (1014) are distributed in a fan-shaped radial pattern.

7. A contact oxidation film bioreactor according to claim 3, characterized in that: The connecting rod (1024) is an L-shaped structure.

8. A contact oxidation film bioreactor according to claim 3, characterized in that: One side of the two mounting parts (10241) distributed opposite to each other is provided with a mounting block, and the mounting block is provided with a locking part for quickly installing and disassembling the membrane bioreactor.

9. A contact oxidation film bioreactor according to claim 8, characterized in that: The locking member comprises a sliding plate (102411) which is slidably arranged in the mounting member (10241) through a second sliding groove; the sliding plate (102411) is provided with a spring (102413) at one end connected to the mounting member (10241) at the bottom; a guiding through groove (102412) is provided on the sliding plate (102411); a clamping member for connecting to a membrane bioreactor is slidably arranged in the guiding through groove (102412); and the membrane bioreactor causes the sliding plate (102411) to be opened or locked in the second sliding groove when the sliding plate (102411) is pressed down.

10. A contact oxidation film bioreactor according to claim 9, characterized in that: The guide groove (102412) is heart-shaped.

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