MRS water purification system with adjustable aeration

Abstract

The application discloses a ventilation-breathing-adjustable MRS water purification system, which comprises a tank body, a water purification hierarchical structure and a breathing adjusting device. The tank body is provided with a cavity and a drainage port communicating with the cavity. The drainage port is arranged at the bottom of the tank body. The water purification hierarchical structure is arranged in the cavity and comprises a plurality of functional layers, wherein the ventilation-breathing layer is included. The breathing adjusting device comprises a ventilation shell and an opening adjusting mechanism. The ventilation shell is partially located in the ventilation-breathing layer. The ventilation shell is provided with a ventilation cavity and a first ventilation port communicating with the ventilation cavity. The first ventilation port is located outside the tank body. The opening adjusting mechanism comprises a driving assembly and a shielding piece. The shielding piece is arranged in the ventilation shell. The driving assembly is arranged in the ventilation shell. The driving assembly and the shielding piece are in transmission cooperation to drive the shielding piece to move, so as to adjust the ventilation area of the ventilation cavity shielded by the shielding piece. The MRS water purification system of the application is provided with the breathing adjusting device, which can dynamically adjust the ventilation volume of the ventilation-breathing layer, can improve the activity of the microbial flora and can enhance the purification efficiency.

Description

Technical Field

[0001] This application relates to the field of wastewater treatment technology, and in particular to an MRS water purification system with adjustable ventilation and breathing. Background Technology

[0002] MRS (Microbial High-Efficiency Water Purification) technology is a novel wastewater treatment process that utilizes a bioreactor system constructed by combining microbial communities with sand to achieve highly efficient purification. Its core advantages include an eco-friendly design, low energy consumption, and ease of maintenance. The treated water meets the national Class A discharge standard. MRS technology uses microbial communities (such as aerobic and anaerobic bacteria) combined with sand to form a multi-layered bioreactor system, decomposing pollutants through microbial metabolism. Simultaneously, it incorporates plant-assisted purification to achieve highly efficient decomposition.

[0003] MRS water purification systems typically consist of a tank and a multi-tiered purification structure within it. This multi-tiered structure, from top to bottom, usually includes a planting layer, a filter layer, a ventilation layer, a purification layer, and a water collection layer. The ventilation layer is usually connected to the outside environment via a breathing tube, allowing for bidirectional gas exchange. This effectively increases the oxygen content in the soil, providing favorable conditions for rapid decomposition by microorganisms in the packing material and for plant root respiration. However, in related technologies, the cross-section of the breathing tube is fixed and cannot be adjusted. This prevents the ventilation volume between the ventilation layer and the outside environment from being adjusted according to needs. This can easily lead to insufficient ventilation or a mismatch between ventilation volume and microbial decomposition and plant root respiration, affecting the purification efficiency of the MRS water purification system and, in severe cases, even causing a decrease in purification efficiency.

[0004] In view of the above, this utility model is hereby proposed. Utility Model Content

[0005] To solve one of the above-mentioned technical problems, this utility model provides an MRS water purification system with adjustable ventilation and breathing.

[0006] The present invention adopts the following technical solution: An MRS water purification system with adjustable ventilation and breathing, comprising: A tank body having a cavity and a drain outlet communicating with the cavity, the drain outlet being located at the bottom of the tank body; A water purification layer structure is provided in the cavity. The water purification layer structure includes multiple functional layers, each of which is arranged sequentially along the height direction of the tank. Each functional layer includes a ventilation layer. A breathing regulation device includes a ventilation shell and an opening adjustment mechanism. The ventilation shell is partially located in the ventilation layer and partially extends out of the tank. The ventilation shell has a ventilation cavity and a first vent communicating with the ventilation cavity. A through hole communicating with the ventilation cavity is provided on the shell wall of the ventilation shell located in the ventilation layer. The first vent is located outside the tank. The opening adjustment mechanism includes a drive assembly and a blocking member. The blocking member is movably disposed in the ventilation shell. The drive assembly is disposed in the ventilation shell. The drive assembly and the blocking member are driven to drive the blocking member to move and adjust the ventilation area of ​​the ventilation cavity blocked by the blocking member.

[0007] Optionally, the ventilation enclosure includes a first ventilation enclosure and a second ventilation enclosure; The second ventilation shell is disposed on the air exchange breathing layer. The second ventilation shell has a second ventilation cavity and a second ventilation port communicating with the second ventilation cavity. The second ventilation shell is provided with a plurality of the through holes. The first ventilation shell is disposed through the side wall of the tank body, and the first ventilation shell has a first ventilation cavity and a first ventilation opening; The first ventilation shell and the second ventilation shell are connected, and the second ventilation cavity is connected to the first ventilation cavity through the second ventilation port; The opening adjustment mechanism is disposed in the second ventilation housing and located inside the first ventilation cavity. The driving component can drive the blocking member to move and adjust the area of ​​the blocking member blocking the second ventilation opening.

[0008] Optionally, the drive assembly includes a motor and a transmission component; The motor is disposed in the second ventilation housing, the motor is connected to the transmission component, and the transmission component is connected to the shielding component. The motor drives the transmission component to move, thereby moving the shielding component closer to or away from the second ventilation opening.

[0009] Optionally, the transmission component includes a lead screw, which is rotatably disposed in the second ventilation housing; A guide rod is provided on the second ventilation housing, and the lead screw and the guide rod are parallel and perpendicular to the length direction of the second ventilation housing; The blocking component has a nut portion and a sliding sleeve. The nut portion is threaded onto the lead screw, and the sliding sleeve is slidably mounted on the guide rod. The motor drives the lead screw, causing the lead screw to drive the blocking component to translate along the guide rod.

[0010] Optionally, external thread sections are provided at both ends of the lead screw; The two external thread segments have opposite thread directions; The two shielding parts are respectively connected to the corresponding external thread sections via the nut part; The motor drives the lead screw to rotate, and the lead screw drives the two blocking components to move closer to each other or further away from each other.

[0011] Optionally, an installation port is provided at the end of the first ventilation housing that is away from the first ventilation opening; One end of the second ventilation housing extends through the mounting port to the first ventilation cavity, and the second ventilation opening is provided at one end of the second ventilation housing located in the first ventilation cavity; The outer wall of the second ventilation housing is fitted to the inner wall of the mounting port.

[0012] Optionally, the ventilation-adjustable MRS water purification system includes a fan; The fan is located inside the first ventilation cavity.

[0013] Optionally, the side wall of the tank has a first insertion port; The outer wall of the ventilation shell of the breathing regulator has lugs; The breathing regulation device can be inserted into the canister through the first port, the lug is located on the outer wall of the canister, and the lug is fixed to the canister by fasteners.

[0014] Optionally, the ventilation-adjustable MRS water purification system includes a controller and sensor components; The sensor assembly is located in the ventilation and breathing layer; The controller is electrically connected to the sensor assembly and the opening adjustment mechanism, respectively; The sensor assembly includes at least a humidity monitoring module.

[0015] Optionally, the sensor assembly is disposed within the ventilation cavity; Alternatively, the MRS water purification system with adjustable ventilation includes an accessory rod, which includes a cover and a rod body. The rod body is connected to the cover, and the sensor assembly is disposed on the rod body. A second insertion port is provided on the side wall of the tank, and the rod body is inserted into the ventilation layer through the second insertion port. The cover closes the second insertion port.

[0016] By sampling the above-mentioned technical solutions, this application has the following beneficial effects: The MRS water purification system of this application is equipped with a breathing regulation device that can dynamically adjust the ventilation volume of the breathing layer, thereby enhancing the activity of microbial communities and improving purification efficiency.

[0017] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings: Figure 1 A cross-sectional view of the MRS water purification system with adjustable ventilation and breathing provided in an embodiment of this disclosure is shown. Figure 2 Show Figure 1 Enlarged view of section A in the middle; Figure 3 This diagram illustrates the state of the increased opening of the breathing regulation device in the MRS water purification system with adjustable ventilation and breathing provided in this embodiment of the present disclosure. Figure 4 This diagram illustrates the reduced opening of the breathing adjustment device in the MRS water purification system with adjustable ventilation provided in this embodiment of the present disclosure. Figure 5 This is a top view schematic diagram of the breathing regulation device in the MRS water purification system with adjustable breathing provided in the embodiments of this disclosure; Figure 6 This diagram shows a cross-sectional view of the MRS water purification system with adjustable ventilation provided in an embodiment of the present disclosure.

[0019] In the diagram: 1. Tank; 11. Drain outlet; 2. Water purification layer structure; 21. Planting layer; 22. Filter water distribution layer; 23. Ventilation layer; 24. Purification layer; 25. Water collection layer; 3. Breathing regulation device; 31. Ventilation shell; 311. First ventilation shell; 3111. First ventilation opening; 3112. First ventilation cavity; 3113. Lug; 312. Second ventilation shell; 3121. Second ventilation opening; 3122. Second ventilation cavity; 3123. Mounting platform; 3124. Extension arm; 32. Opening adjustment mechanism; 321. Drive assembly; 3211. Motor; 3212. Transmission component; 32121. External thread section; 322. Shielding component; 323. Guide rod; 4. Fan; 5. Accessory rod; 51. Cover; 52. Rod body; 6. Sensor assembly; 7. Sewage inlet pipe.

[0020] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] like Figures 1 to 6 As shown in the figure, this application provides an MRS water purification system with adjustable ventilation and breathing, including: a tank 1, a water purification hierarchical structure 2, and a breathing regulation device 3. The tank 1 has a cavity and a drain outlet 11 communicating with the cavity, the drain outlet 11 being located at the bottom of the tank 1. The water purification hierarchical structure 2 is disposed in the cavity, the water purification hierarchical structure 2 including multiple functional layers, each functional layer being arranged sequentially along the height direction of the tank 1, and each functional layer including a ventilation and breathing layer 23. The breathing regulation device 3 includes a ventilation shell 31 and an opening adjustment mechanism 32. The ventilation shell 31 is partially located in the ventilation breathing layer 23 and partially extends out of the tank body 1. The ventilation shell 31 has a ventilation cavity and a first ventilation port 3111 communicating with the ventilation cavity. The ventilation shell 31 has a through hole communicating with the ventilation cavity on the shell wall of the ventilation breathing layer 23. The first ventilation port 3111 is located outside the tank body 1. The opening adjustment mechanism 32 includes a drive assembly 321 and a blocking member 322. The blocking member 322 is movably disposed in the ventilation shell 31. The drive assembly 321 is disposed in the ventilation shell 31. The drive assembly 321 and the blocking member 322 are driven to drive the blocking member 322 to move and adjust the ventilation area (i.e., the cross-sectional area of ​​the ventilation cavity) blocked by the blocking member 322.

[0025] like Figure 1As shown, the water purification layer structure 2 typically includes, from top to bottom, a planting layer 21, a filter water distribution layer 22, a ventilation layer 23, a purification layer 24, and a water collection layer 25. The ventilation layer 23 contains plant roots and microorganisms. Aerobic microorganisms require oxygen for decomposition, and plant roots also require oxygen for respiration. Gases decomposed by microorganisms and exhaled by plants need to be exhausted. This application achieves bidirectional exchange between the ventilation layer 23 and the outside atmosphere by incorporating a ventilation regulating device 3. The ventilation regulating device 3 of this application is adjustable in opening, increasing or decreasing the ventilation volume between the ventilation layer 23 and the outside atmosphere according to actual conditions. This ensures that the ventilation volume matches the respiration of microorganisms and plant roots, providing suitable ventilation for rapid microbial decomposition and plant root respiration. This solves the problem of exhausting decomposed gases and prevents their accumulation in the packing material, which could lead to system blockage, decreased microbial activity, and plant root poisoning, thus reducing purification efficiency. The MRS water purification system of this application is equipped with a breathing regulation device 3, which can dynamically adjust the ventilation volume of the breathing layer 23, thereby enhancing the activity of microbial flora and improving purification efficiency.

[0026] In some possible implementations, the ventilation layer 23 can be composed of activated zeolite particles with gaps between them. Figure 1 and Figure 2 As shown, the ventilation shell 31 includes a first ventilation shell 311 and a second ventilation shell 312. The second ventilation shell 312 is disposed on the ventilation layer 23. The second ventilation shell 312 has a second ventilation cavity 3122 and a second ventilation port 3121 communicating with the second ventilation cavity 3122. The second ventilation shell 312 is provided with a plurality of through holes, so that the second ventilation cavity 3122 and the ventilation layer 23 have more contact, which is conducive to realizing effective air exchange between the ventilation layer 23 and the outside. A first ventilation shell 311 is disposed through the side wall of the tank body 1. The first ventilation shell 311 has a first ventilation cavity 3112 and a first ventilation opening 3111. The first ventilation shell 311 and the second ventilation shell 312 are connected. The second ventilation cavity 3122 is connected to the first ventilation cavity 3112 through the second ventilation opening 3121. An opening adjustment mechanism 32 is disposed in the second ventilation shell 312 and located inside the first ventilation cavity 3112. The driving component 321 can drive the blocking member 322 to move and adjust the area of ​​the blocking member 322 blocking the second ventilation opening 3121. Outside air can enter the ventilation layer 23 through the first ventilation opening 3111, the first ventilation cavity 3112, the second ventilation opening 3121, the second ventilation cavity 3122, and a large number of perforations in sequence. The gas discharged from the ventilation layer 23 can be discharged to the outside through the perforations, the second ventilation cavity 3122, the second ventilation opening 3121, the first ventilation cavity 3112, and the first ventilation opening 3111 in sequence.

[0027] In some possible implementations, such as Figures 2 to 4 As shown, the drive assembly 321 includes a motor 3211 and a transmission component 3212. The motor 3211 can be directly or indirectly disposed on (e.g., fixed to) the second ventilation housing 312. The motor 3211 can also be located inside the first ventilation housing 311. The motor 3211 and the transmission component 3212 are driveably connected, and the transmission component 3212 is driveably connected to the blocking component 322. The motor 3211 drives the transmission component 3212 to move, thereby causing the blocking component 322 to move closer to or further away from the second ventilation opening 3121. The direction of movement of the blocking component 322 is located in the plane of the second ventilation opening 3121. The movement of the blocking component 322 can adjust the area of ​​the second ventilation opening 3121 it blocks.

[0028] It should be noted that, at different stages of water purification, the specific area of ​​the second ventilation opening 3121 obstructed by the shielding component 322 can be determined based on the operator's experience. This application does not limit the specific relationship between time, temperature, humidity, and shielding area. The relationship can be determined based on the operator's work experience, theoretical knowledge, and environmental conditions.

[0029] In some possible implementations, such as Figures 3 to 5 As shown, the transmission component 3212 includes a lead screw, which is rotatably mounted on the second ventilation housing 312. A guide rod 323 is mounted on the second ventilation housing 312. The lead screw and the guide rod 323 are parallel and perpendicular to the length direction of the second ventilation housing 312. The blocking component 322 has a nut portion and a sliding sleeve. The nut portion is threaded onto the lead screw, and the sliding sleeve is slidably mounted on the guide rod 323. The motor 3211 drives the lead screw, causing the lead screw to drive the blocking component 322 to translate along the guide rod 323.

[0030] For example, such as Figures 3 to 5 As shown, a mounting platform 3123 can be provided along the upper edge of the end of the second ventilation housing 312. An extension arm 3124 is connected to the mounting platform 3123. The extension arm 3124 extends to the top side of the second ventilation port 3121 of the second ventilation housing 312, which facilitates the placement of the motor 3211 at the end of the extension arm 3124.

[0031] The guide rod 323 can be fixedly mounted on the mounting platform 3123, while the lead screw is rotatably mounted on the mounting platform 3123. The lead screw passes through the mounting platform 3123. It should be noted that the rotatable connection structure between the lead screw and the mounting platform 3123 in the nut-lead screw mechanism is a mature existing technology, and its specific details are widely disclosed in the prior art, so this application will not elaborate further.

[0032] In this embodiment, the motor 3211 and the blocking member 322 are driven to move by a lead screw and nut, ensuring precise and reliable motion transmission. The guide rod 323 serves a guiding function, and its cooperation with the lead screw restricts the rotation of the blocking member 322, allowing it to translate only along the guide rod 323. Both the lead screw and the guide rod 323 can be located outside the second ventilation housing 312, extending in a direction perpendicular to the second ventilation housing 312.

[0033] In some possible implementations, such as Figure 3 As shown, the two ends of the lead screw are respectively provided with external thread sections 32121, and the threads of the two external thread sections 32121 are opposite. The two blocking parts 322 are respectively connected to the corresponding external thread sections 32121 through the nut part. The motor 3211 drives the lead screw to rotate, and the lead screw drives the two blocking parts 322 to move closer to each other or move away from each other in opposite directions.

[0034] In this implementation, external thread sections 32121 are provided at both ends of the lead screw, which can drive the two blocking parts 322 to move synchronously in opposite directions, which helps to reduce the stroke of a single blocking part 322.

[0035] In some possible implementations, the first ventilation housing 311 has an installation port at the end opposite to the first ventilation opening 3111, such as... Figure 2 In this configuration, the mounting port can be located at the left end of the first ventilation housing 311, forming an opening at the left end of the first ventilation housing 311. One end of the second ventilation housing 312 extends through the mounting port into the first ventilation cavity 3112. The second ventilation opening 3121 is located at one end of the second ventilation housing 312 within the first ventilation cavity 3112, and the outer wall of the second ventilation housing 312 fits against the inner wall of the mounting port. The mounting port and the second ventilation housing 312 can fit tightly together, but a strict sealing requirement is not required.

[0036] In some possible implementations, such as Figure 2 As shown, the MRS water purification system with adjustable ventilation includes a fan 4, which is located within the first ventilation chamber 3112. By installing the fan 4, the exchange of air between the ventilation layer 23 and the outside air can be accelerated, which helps to regulate the humidity within the ventilation layer 23, allowing it to reach a suitable humidity level, thereby enhancing the activity of microbial communities and improving purification efficiency.

[0037] A sewage inlet pipe 7 is connected to the tank body 1, and the sewage inlet pipe 7 intermittently circulates water into the tank body 1. During the process of the sewage inlet pipe 7 supplying water to the tank body 1, the opening adjustment mechanism 32 can be controlled to close the second vent 3121 to prevent sewage from entering the second ventilation shell 312 and then entering the first ventilation shell 311 through the second vent 3121 and being discharged. Because a large number of perforations are evenly arranged on the outer wall of the second ventilation shell 312, the water entering the second ventilation shell 312 will continue to be discharged through the perforations and will not remain on the second ventilation shell 312. When the sewage inlet pipe 7 stops supplying water, and when the sewage seeps down to a certain extent, the opening adjustment mechanism 32 can be controlled to open the second vent 3121, control the fan 4 to start, exhaust air to the outside, and adjust the humidity of the ventilation layer 23 so that its humidity reaches the humidity suitable for microbial decomposition of substances as soon as possible.

[0038] In some possible implementations, such as Figure 2 As shown, the side wall of the tank 1 has a first insertion port, and the outer wall of the ventilation shell 31 of the breathing regulator 3 has a lug 3113. The breathing regulator 3 can be inserted into the tank 1 through the first insertion port. The lug 3113 is located on the outer wall of the tank 1 and is fixed to the tank 1 by fasteners.

[0039] The breathing regulator 3 can be directly inserted into the tank 1 through the first inlet, and the lug 3113 is fixed to the outer wall of the tank 1 by bolts.

[0040] In some possible implementations, the MRS water purification system with adjustable ventilation includes a controller and a sensor assembly 6. The sensor assembly 6 is located in the ventilation layer 23. The controller is electrically connected to both the sensor assembly 6 and the opening adjustment mechanism 32. The sensor assembly 6 includes at least a humidity monitoring module and may also include a temperature sensor. The controller may be mounted on the second ventilation housing 312 or located outside the tank.

[0041] In this implementation scheme, the humidity parameters of the ventilation layer 23 can be obtained by setting the sensor component 6. After the sewage inlet pipe 7 stops supplying water, when the humidity parameter detects that the humidity has reached the set value, the controller can control the opening adjustment mechanism 32 to open the second vent 3121 and adjust the opening degree of the second vent 3121. The detection accuracy of the humidity sensor can be ±2%RH. For example, when the humidity is higher than 85%RH, the controller can control the opening adjustment mechanism 32 to adjust the position of the shield 322, increase the opening degree and / or increase the speed of the fan 4 to increase the ventilation volume, so that the humidity decreases as quickly as possible to approach the humidity suitable for microorganisms.

[0042] In this embodiment, the blades of the fan 4, the first ventilation shell 311, and the second ventilation shell 312 can all be made of stainless steel with an anti-corrosion coating, which can be adapted to long-term stable operation in rural sewage treatment scenarios.

[0043] In some possible implementations, the sensor assembly 6 is disposed within the ventilation cavity, and the sensor assembly 6 can be detachably disposed within the second ventilation housing 312 for easy disassembly, maintenance, and replacement.

[0044] Or, such as Figure 6 As shown, the MRS water purification system with adjustable ventilation includes an accessory rod 5, which comprises a cover 51 and a rod 52. The rod 52 is connected to the cover 51, and the sensor assembly 6 is disposed on the rod 52. A second insertion port is provided on the side wall of the tank 1, and the rod 52 is inserted into the ventilation layer 23 through the second insertion port. The cover 51 closes the second insertion port. The cover 51 and the tank 1 can be fixed together using fasteners.

[0045] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. An MRS water purification system with adjustable ventilation and breathing, characterized in that, include: A tank body having a cavity and a drain outlet communicating with the cavity, the drain outlet being located at the bottom of the tank body; A water purification layer structure is provided in the cavity. The water purification layer structure includes multiple functional layers, each of which is arranged sequentially along the height direction of the tank. Each functional layer includes a ventilation layer. A breathing regulation device includes a ventilation shell and an opening adjustment mechanism. The ventilation shell is partially located in the ventilation layer and partially extends out of the tank. The ventilation shell has a ventilation cavity and a first vent communicating with the ventilation cavity. A through hole communicating with the ventilation cavity is provided on the shell wall of the ventilation shell located in the ventilation layer. The first vent is located outside the tank. The opening adjustment mechanism includes a drive assembly and a blocking member. The blocking member is movably disposed in the ventilation shell. The drive assembly is disposed in the ventilation shell. The drive assembly and the blocking member are driven to drive the blocking member to move and adjust the ventilation area of ​​the ventilation cavity blocked by the blocking member.

2. The MRS water purification system with adjustable ventilation and breathing according to claim 1, characterized in that, The ventilation enclosure includes a first ventilation enclosure and a second ventilation enclosure; The second ventilation shell is disposed on the air exchange breathing layer. The second ventilation shell has a second ventilation cavity and a second ventilation port communicating with the second ventilation cavity. The second ventilation shell is provided with a plurality of the through holes. The first ventilation shell is disposed through the side wall of the tank body, and the first ventilation shell has a first ventilation cavity and a first ventilation opening; The first ventilation shell and the second ventilation shell are connected, and the second ventilation cavity is connected to the first ventilation cavity through the second ventilation port; The opening adjustment mechanism is disposed in the second ventilation housing and located inside the first ventilation cavity. The driving component can drive the blocking member to move and adjust the area of ​​the blocking member blocking the second ventilation opening.

3. The MRS water purification system with adjustable ventilation and breathing according to claim 2, characterized in that, The drive assembly includes a motor and transmission components; The motor is disposed in the second ventilation housing, the motor is connected to the transmission component, and the transmission component is connected to the shielding component. The motor drives the transmission component to move, thereby moving the shielding component closer to or away from the second ventilation opening.

4. The MRS water purification system with adjustable ventilation and breathing according to claim 3, characterized in that, The transmission component includes a lead screw, which is rotatably disposed in the second ventilation housing; A guide rod is provided on the second ventilation housing, and the lead screw and the guide rod are parallel and perpendicular to the length direction of the second ventilation housing; The blocking component has a nut portion and a sliding sleeve. The nut portion is threaded onto the lead screw, and the sliding sleeve is slidably mounted on the guide rod. The motor drives the lead screw, causing the lead screw to drive the blocking component to translate along the guide rod.

5. The MRS water purification system with adjustable ventilation and breathing according to claim 4, characterized in that, The lead screw is provided with external thread sections at both ends; The two external thread segments have opposite thread directions; The two shielding parts are respectively connected to the corresponding external thread sections via the nut part; The motor drives the lead screw to rotate, and the lead screw drives the two blocking components to move closer to each other or further away from each other.

6. The MRS water purification system with adjustable ventilation and breathing according to claim 2, characterized in that, An installation port is provided at the end of the first ventilation housing that is away from the first ventilation opening; One end of the second ventilation housing extends through the mounting port to the first ventilation cavity, and the second ventilation opening is provided at one end of the second ventilation housing located in the first ventilation cavity; The outer wall of the second ventilation housing is fitted to the inner wall of the mounting port.

7. The MRS water purification system with adjustable ventilation and breathing according to claim 2, characterized in that, Including fans; The fan is located inside the first ventilation cavity.

8. The MRS water purification system with adjustable ventilation and breathing according to claim 1, characterized in that, The side wall of the tank has a first insertion port; The outer wall of the ventilation shell of the breathing regulator has lugs; The breathing regulation device can be inserted into the canister through the first port, the lug is located on the outer wall of the canister, and the lug is fixed to the canister by fasteners.

9. The MRS water purification system with adjustable ventilation and breathing according to claim 1, characterized in that, Includes controller and sensor components; The sensor assembly is located in the ventilation and breathing layer; The controller is electrically connected to the sensor assembly and the opening adjustment mechanism, respectively; The sensor assembly includes at least a humidity monitoring module.

10. The MRS water purification system with adjustable ventilation and breathing according to claim 9, characterized in that, The sensor assembly is disposed within the ventilation cavity; Alternatively, the MRS water purification system with adjustable ventilation includes an accessory rod, which includes a cover and a rod body. The rod body is connected to the cover, and the sensor assembly is disposed on the rod body. A second insertion port is provided on the side wall of the tank, and the rod body is inserted into the ventilation layer through the second insertion port. The cover closes the second insertion port.

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