Modularized splicable MBR pulse aeration device
The modular design of the MBR pulse aeration device solves the problems of complex structure and poor versatility of existing devices, and realizes flexible splicing and efficient aeration, adapting to the needs of various membrane modules and reducing costs and cycle time.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-04-03
AI Technical Summary
Existing MBR pulse aeration devices have complex structures and fixed lengths, which means that new molds need to be made for devices of different specifications, resulting in high costs, long cycles, and material waste. In addition, they have poor versatility, weak aeration intensity, and poor cleaning effect.
The aeration device adopts a modular design, which can be disassembled into a modular structure that can be spliced. The outer shell and the air supply channel are separate and are fixed by buckles and screws. Multiple aeration units can be assembled according to needs to meet the requirements of membrane modules of different specifications.
It enables flexible splicing of aeration devices, has a wide range of applications, reduces production costs and cycles, improves aeration intensity and cleaning effect, and is suitable for various MBR modules.
Smart Images
Figure CN224077161U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of membrane bioreactor technology, specifically to a modular and connectable MBR pulse aeration device. Background Technology
[0002] Compared to traditional biological wastewater treatment processes, membrane bioreactor (MBR) technology produces better effluent quality, can be directly reused, requires less land, has a higher concentration of activated sludge, produces less residual sludge, and is easier to automate. Therefore, it has gained widespread application and is becoming increasingly mature. During MBR operation, the key to solving membrane fouling lies in the aeration and vibration of the membrane fibers during operation, removing pollutants adsorbed on the surface of the membrane fibers. Conventional methods for removing pollutants involve bottom aeration of the membrane fibers, with the air-water mixture washing over the fibers from bottom to top. Different aeration structures have varying effects on fouling removal.
[0003] Pulse aeration is currently the most advanced aeration structure and has been widely used in the MBR field in recent years. In actual water treatment projects, the length of the aeration device needs to vary depending on the specific requirements of the membrane tank, membrane module, and membrane assembly dimensions. However, the complex structure of pulse aeration devices means that different specifications require new molds and remanufacturing, leading to high costs, long lead times, and material waste.
[0004] Existing MBR membrane module pulse aeration devices have the following limitations: they are one-piece structures with fixed lengths, only suitable for a single module, resulting in narrow application and poor versatility; the aeration intensity is weak, failing to achieve the cleaning effect of high-intensity pulse aeration on the membrane fibers. In actual water treatment projects, different projects have different requirements for the specifications and dimensions of membrane tanks, membrane modules, and membrane components, necessitating variations in the length of the aeration devices. However, the complex structure of pulse aeration devices necessitates the creation of new molds and remanufacturing for different specifications, leading to high costs, long lead times, and material waste. Utility Model Content
[0005] The purpose of this invention is to provide a modular and connectable MBR pulse aeration device to solve at least one of the technical problems existing in the background art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] This utility model provides a modular and connectable MBR pulse aeration device, including an outer shell, an air supply channel, and an air distribution hood; the outer shell and the air supply channel are both split structures, the air supply channel is located at the bottom of the outer shell and extends along the length of the outer shell, one end of the air supply channel is provided with an air supply channel inlet pipe, and the other end is a fixed end, and air supply channel outlet holes are opened on both sides of the air supply channel, and the air distribution hood is installed on the top of the outer shell and has several air outlets.
[0008] Furthermore, the outer shell has a split structure, with each split being a modular unit. The outer shells are installed sequentially using snap-fit mechanisms, and multiple aeration units can be assembled as needed, with adjacent aeration units being relatively independent.
[0009] Furthermore, the gas supply channel has a split structure, with each gas supply channel installed at the bottom of the outer shell and corresponding to the outer shell. Multiple gas supply channels are spliced together and connected as a whole for transmitting gas.
[0010] Furthermore, the air distribution hood is rectangular and installed on the top of the outer shell, corresponding one-to-one with the outer shell. The air distribution hood has multiple air outlets to evenly distribute the pulse aeration airflow.
[0011] Furthermore, the outer casing has snap fasteners on both the left and right sides, allowing the outer casing to be assembled sequentially; the bottom of the outer casing has a groove, and the air supply slot is installed in the groove via snap fasteners; the top of the outer casing has screw holes, and the air distribution cover is fixed to the top of the outer casing with screws.
[0012] Furthermore, the overall length can be adjusted according to the aeration requirements of the membrane module, and is not limited to a fixed size. This device can be assembled from 2 to n modules to form a complete pulse aeration system.
[0013] Technical terms: (1) MBR (Membrane Bioreactor) is a wastewater treatment process that organically combines efficient membrane separation technology with traditional biological treatment technology; (2) Modularization is a method of decomposing a complex system into independent functional modules and realizing interaction and cooperation between modules through clearly defined interfaces; (3) Assembly refers to connecting multiple modules together in a specific way to achieve the target function; (4) Pulse aeration is the intermittent release of gas into the water body, making the aeration process pulse-like, rather than continuous and stable aeration as in traditional aeration methods.
[0014] The advantages of this utility model are: it adopts a modular design, which is simple to assemble. It can be arbitrarily assembled according to the actual needs of water treatment projects and the different specifications and dimensions of membrane tanks, membrane modules and membrane components. The length of the aeration device can be changed accordingly, making it more applicable. It solves the problems of high cost, long cycle and material waste of re-making molds.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of the invention. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of the outer shell structure of the modular and connectable MBR pulse aeration device described in an embodiment of this utility model.
[0018] Figure 2 This is a schematic diagram of the modular splicing of the modular and splicable MBR pulse aeration device described in this embodiment of the present invention.
[0019] Wherein: 1-outer shell; 2-air distribution hood; 3-outer shell buckle female part; 4-outer shell buckle female part; 5-air supply slot; 6-air supply slot inlet; 7-air supply slot fixing bracket. Detailed Implementation
[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0021] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.
[0022] It should also be understood that terms such as those defined in general dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless defined as here.
[0023] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the word “comprising” as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, and / or groups thereof.
[0024] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. Furthermore, the described specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of those different embodiments or examples.
[0025] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0026] In the description of this specification, the terms “center,” “upper,” “lower,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this technology and simplifying the description, and do not indicate or imply that the device or element 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 technology.
[0027] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of these terms in this art according to the specific circumstances.
[0028] To facilitate understanding of this utility model, the present utility model will be further explained and described below with reference to the accompanying drawings and specific embodiments. The specific embodiments do not constitute a limitation on the embodiments of this utility model.
[0029] Those skilled in the art should understand that the accompanying drawings are merely schematic diagrams of embodiments, and the components in the drawings are not necessarily essential for implementing this utility model.
[0030] To address the shortcomings of existing MBR pulse aeration devices: ① Pulse aeration is a one-piece structure with a fixed length, meaning each aeration structure can only be used with a single unit, resulting in a narrow application range and poor versatility; ② The pulse aeration intensity is weak, failing to achieve high-intensity pulse aeration, leading to low efficiency and poor cleaning effect on the membrane fibers. This utility model provides a modular, splicable MBR pulse aeration device to solve the problems of single-size pulse aeration boxes and narrow application range. While achieving high-efficiency pulse aeration, it decomposes the complex aeration device into combinable individual modules. The main components, the air collection shell and air supply trough, are designed separately and can be spliced and lengthened according to project requirements to accommodate various types of MBR units. This modular, splicable MBR aeration device can adapt well to various environments and can be spliced and installed according to different application environments. The advantages of this utility model are: ① The modular design decomposes this complex aeration device into individual modules that can be used in combination, based on the realization of high-efficiency pulse aeration. The main components, the air collection shell and the air supply tank, are designed separately and can be spliced and lengthened according to project requirements to be suitable for various types of MBR units; ② The pulse aeration intensity is high, which can realize high-efficiency pulse aeration and has a good cleaning effect on membrane fibers.
[0031] In one specific embodiment, a modular, connectable MBR pulse aeration device is provided, including an outer shell, an air supply channel, and an air distribution hood. Both the outer shell and the air supply channel are separate structures. The left and right sides of the outer shell have snap-fit fasteners, allowing the outer shell to be assembled sequentially. A groove is provided at the bottom of the outer shell, and the air supply channel is installed within the groove via snap-fit fasteners. The air supply channel is located at the bottom of the outer shell and extends along its length. One end of the air supply channel has an air inlet pipe, and the other end is a fixed end. Air outlet holes are provided on both sides of the air supply channel. The air distribution hood is installed on the top of the outer shell and has several air outlets.
[0032] The outer casing has a modular structure, with each unit being a separate module. The outer casings are installed sequentially using snap-fit mechanisms, allowing for the creation of multiple aeration units as needed. Adjacent aeration units are relatively independent. The air supply trough also has a modular structure, corresponding to the air collection outer casing. The air supply trough is fixed below multiple aeration units using snap-fit mechanisms. One end of the air supply trough has an air inlet, and the other end is a fixed end, both of which connect to the MBR membrane module.
[0033] This embodiment is mainly applicable to the aeration of MBR membrane modules. Its modular, split design has a wide range of applications and can achieve highly efficient pulse aeration. The use of a trough-type aeration system achieves pulse aeration in its physical structure, which is more rational than conventional pulse aeration designs. On one hand, the pulse aeration intensity is high, enabling a small airflow supply and instantaneous release of a large airflow, reducing aeration energy consumption; on the other hand, the modular pulse aeration structure is suitable for various scenarios and can be applied to various MBR membrane modules.
[0034] The overall length of the pulse aeration device can be adjusted according to the aeration requirements of the membrane module, and is not limited to a fixed size. This device can be assembled from 2 to n modules to form a complete pulse aeration system. This embodiment uses a four-module assembly as an example to specifically illustrate the modular pulse aeration structure.
[0035] like Figure 1 , Figure 2 As shown, the pulse aeration device provided in this embodiment includes an outer shell 1, an air distribution hood 2, an outer shell snap-fit female part 3, an outer shell snap-fit female part 4, an air supply groove 5, an air supply groove inlet 6, and an air supply groove fixing frame 7. The main structure of the aeration device consists of the outer shell 1, the air distribution hood 2, and the air supply groove 5. The aeration device can be composed of 2 to n outer shell modules to form 2 to n aeration units as one aeration unit (in this embodiment, 4 outer shell modules are used to form 4 aeration units as one aeration unit). Each aeration unit is relatively independent. An air distribution hood is installed on the top of the outer shell of each unit, and an air supply groove is installed on the bottom of the outer shell. During aeration, a constant flow of air enters from the air inlet 6 of the air supply tank. After the gas reaches the air supply tank 5, it is evenly distributed to the four aeration units. The gas gradually fills the effective gas-accommodating space inside the outer shell, while simultaneously pressing the liquid level in the tank downwards. When the gas fills the gas collection shell, the gas inside the shell is instantly released through the air distribution hood in the form of large bubbles. At the same time as the gas is released, water refills the tank, and the process of collecting and releasing gas repeatedly forms a large bubble pulse aeration.
[0036] In summary, the modular pulse aeration device described in this embodiment of the invention, while achieving highly efficient pulse aeration, breaks down this complex aeration device into combinable individual modules. The main components, the air collection shell and the air supply trough, are designed as separate units, which can be spliced and lengthened according to project requirements to accommodate various types of MBR units. While maintaining the advantages of highly efficient pulse aeration, the modular, splicable MBR aeration device can adapt well to various environments, allowing for assembly and installation according to different application environments, thus exhibiting high adaptability.
[0037] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that, based on the technical solutions disclosed in the present utility model, all modifications or variations that can be made by those skilled in the art without creative effort should be included within the scope of protection of the present utility model.
Claims
1. A modular, connectable MBR pulse aeration device, characterized in that, It includes an outer shell, an air supply trough, and an air distribution hood; the outer shell and the air supply trough are both separate structures. The air supply trough is located at the bottom of the outer shell and extends along the length of the outer shell. One end of the air supply trough is provided with an air supply trough inlet pipe, and the other end is a fixed end. Air supply trough outlet holes are opened on both sides of the air supply trough. The air distribution hood is installed on the top of the outer shell and has several air outlets.
2. The modular, connectable MBR pulse aeration device according to claim 1, characterized in that, The outer shell has a split structure, with each split being a modular unit. The outer shells are installed sequentially using snap-fit mechanisms, and multiple aeration units can be assembled as needed, with adjacent aeration units being relatively independent.
3. The modular, connectable MBR pulse aeration device according to claim 1, characterized in that, The gas supply trough has a split structure. The gas supply trough is installed at the bottom of the outer shell and corresponds one-to-one with the outer shell. Multiple gas supply troughs are spliced together and connected as a whole for gas transmission.
4. The modular, connectable MBR pulse aeration device according to claim 1, characterized in that, The air distribution hood is rectangular and installed on the top of the outer shell, corresponding one-to-one with the outer shell. The air distribution hood has multiple air outlets to evenly distribute the pulse aeration airflow.
5. The modular, connectable MBR pulse aeration device according to claim 1, characterized in that, The outer casing has snap fasteners on both the left and right sides, allowing the casing to be assembled sequentially. The bottom of the outer casing has a groove, and the air supply slot is installed in the groove via snap fasteners. The top of the outer casing has screw holes, and the air distribution cover is fixed to the top of the outer casing with screws.