Integrated domestic sewage treatment device

Abstract

This utility model relates to the technical field of sewage treatment equipment, specifically to an integrated domestic sewage treatment device. It features a structure designed for easy maintenance of the heating equipment, improving the efficiency and speed of equipment repair. The structure includes a housing containing an electrical control module. The housing contains, in sequence, an equalization tank, a biological reaction tank, and a sedimentation tank. A constant-temperature partition is installed between the equalization tank and the biological reaction tank. The constant-temperature partition includes a mounting groove, a mounting cover, a water outlet, and a temperature-sensing constant-temperature structure electrically connected to the electrical control module. The water outlet is located on the side of the constant-temperature partition away from the ground. The mounting groove is located on the side of the constant-temperature partition facing the equalization tank, and the mounting cover is embedded in the mounting groove. The temperature-sensing constant-temperature structure is located on the side of the mounting groove facing the equalization tank. A heat-conducting groove is located on the side of the constant-temperature partition away from the mounting groove. In this embodiment, the heating plate is located in the mounting groove. Opening the mounting cover fully exposes the heating plate, facilitating rapid maintenance and reducing maintenance time.

Description

Technical Field

[0001] This utility model relates to the field of sewage treatment equipment technology, and in particular to an integrated domestic sewage treatment device. Background Technology

[0002] With the acceleration of urbanization and industrial development, the volume of sewage discharge has surged. Traditional sewage treatment plants suffer from long construction periods, large land areas, and high investment costs, making them particularly unsuitable for small and medium-sized towns, rural areas, and decentralized settings. Integrated domestic sewage treatment equipment has emerged to address this need. It integrates units such as screens, sedimentation tanks, biological reactors, and disinfection systems, and features small size, quick installation, and ease of operation, effectively treating domestic sewage.

[0003] Biological reactors are an important component of integrated wastewater treatment systems. They rely on the metabolic activity of microorganisms to degrade pollutants, and the optimal temperature for microbial activity is typically between 15 and 30°C. Therefore, most biological reactors are equipped with specialized devices to keep the microorganisms warm, in order to cope with cold climates.

[0004] However, most of these heating devices are directly attached to the pool wall without any special waterproofing measures. When immersed in water for a long time, they are prone to unexpected leaks due to the aging of waterproof components, which can damage the internal electrical components of the heating equipment and reduce its service life and safety. Utility Model Content

[0005] The main purpose of this invention is to provide an integrated domestic sewage treatment device that improves the service life and safety of heating equipment.

[0006] The technical solution of this utility model is as follows:

[0007] An integrated domestic sewage treatment device includes a tank, an electrical control module, an equalization tank, a biological reaction tank, and a sedimentation tank arranged sequentially inside the tank, and a constant temperature partition is provided between the equalization tank and the biological reaction tank.

[0008] The constant temperature partition includes an installation groove, an installation cover, a water outlet, and a temperature-sensing constant temperature structure electrically connected to the electronic control module. The water outlet is located on the side away from the ground. The installation groove is located on the side of the constant temperature partition facing the regulating pool. The installation cover is embedded in the installation groove. The temperature-sensing constant temperature structure is located on the side of the installation groove facing the regulating pool. A heat-conducting groove is provided on the side of the constant temperature partition away from the installation groove.

[0009] In one possible implementation, the temperature-sensing constant temperature structure includes a heating plate and a water temperature detector. The water temperature detector is located on the side of the constant temperature partition facing the biological reaction tank, and the heating plate is located on the side of the mounting groove facing the regulating tank. The heating plate is arranged perpendicular to the mounting direction along the mounting groove, and the water temperature detector is electrically connected to the heating plate and the electrical control module.

[0010] In one possible implementation, the edge of the mounting cover is provided with a waterproof sealing layer, the mounting groove facing the mounting cover is provided with a sealing connection groove, the waterproof sealing layer facing the mounting groove is provided with a sealing connection block, and the sealing connection block is embedded in the sealing connection groove.

[0011] In one possible implementation, the mounting cover has a handle on the side away from the mounting groove for easy manual pulling, and the watch cover is covered with an anti-slip layer.

[0012] In one possible implementation, the bioreactor includes an anaerobic tank and an aerobic tank, and a constant temperature partition is provided between the anaerobic tank, the aerobic tank, and the sedimentation tank.

[0013] In one possible implementation, the heat conduction groove has an arc-shaped cross-section.

[0014] In one possible implementation, the waterproof sealant is detachably connected to the mounting cover.

[0015] The working principle and beneficial effects of this utility model are as follows:

[0016] When maintenance is required on the thermostatic partition or temperature-sensing thermostatic structure, first stop all programs and water intake via the electronic control module, then drain all water from the equipment. After draining, the maintenance personnel should operate the handle to remove the mounting cover from the mounting slot. After opening the mounting slot, inspect and repair the heating plate and water temperature sensor. After repair, replace the mounting cover, ensuring a seal. Finally, start the device, monitor its operating status, and confirm normal operation.

[0017] In this embodiment, the heating plate is positioned within the mounting groove, effectively preventing direct contact between sewage and the heating plate, thus extending its service life. Disassembly can be performed quickly by a single person without removing the entire partition; and after opening the mounting cover, the heating plate is fully exposed, clearly displaying the location of internal components for easy troubleshooting and maintenance. Furthermore, the precise fit between the sealing connecting block and the sealing connecting groove ensures easy resealing of the mounting cover after maintenance, reducing adjustment time; it also effectively reduces maintenance time and shortens the downtime-to-maintenance cycle, thereby improving the lifespan of the heating equipment. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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 the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this embodiment;

[0020] Figure 2 This is a schematic diagram of the structure of this embodiment;

[0021] Figure 3 This is a schematic diagram of the structure of this embodiment;

[0022] Figure 4 This is a cross-sectional view of this embodiment;

[0023] Figure 5 This is a partial enlarged view of the constant temperature partition and the temperature sensing constant temperature structure in this embodiment;

[0024] Figure 6 This is a cross-sectional view used in this embodiment to show the internal maintenance ladder and heat conduction channel.

[0025] Explanation of icon numbers:

[0026] 1. Tank; 2. Equalization tank; 3. Biological reactor; 31. Anaerobic tank; 32. Aerobic tank; 4. Sedimentation tank; 5. Constant temperature partition; 51. Mounting groove; 52. Mounting cover; 53. Outlet; 54. Heat conduction groove; 55. Waterproof sealing layer; 551. Sealing connection groove; 552. Sealing connection block; 56. Handle; 561. Anti-slip layer; 6. Temperature sensing constant temperature structure; 61. Heating plate; 611. Heat conduction pipe; 62. Water temperature detector; 7. Electrical control module; 8. Inspection port; 81. External maintenance ladder; 82. Internal maintenance ladder.

[0027] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this utility model.

[0029] like Figures 1-6As shown in the figure, this embodiment proposes an integrated domestic sewage treatment device, the structure of which includes a box 1. The box 1 is the main frame of this embodiment, which integrates all water treatment equipment inside, which can protect the internal equipment from the influence of the external environment and ensure the normal operation of the internal equipment.

[0030] The housing 1 houses an electrical control module 7, enabling automated control in this embodiment. The internal electrical control equipment can regulate each treatment stage through preset programs or real-time monitoring data. The housing 1 contains, in sequence, an equalization tank 2, a biological reactor 3, and a sedimentation tank 4, forming an integrated wastewater treatment device specifically designed for treating domestic wastewater. A thermostatic partition 5 separates the equalization tank 2 from the biological reactor 3. Since the microorganisms in the biological reactor 3 are temperature-sensitive, the thermostatic partition 5 provides a stable temperature environment, thereby maintaining the metabolic activity of the microorganisms and improving pollutant degradation efficiency.

[0031] In this embodiment, the electrical control module 7 uses a PLC as the core processing unit, preferably a Siemens S7-1200 series PLC. Its advantages include a compact, modular design that saves space and allows for flexible expansion, easily increasing I / O capacity through signal boards and modules. It integrates a PROFINET interface, supports multiple communication protocols, and facilitates communication. It possesses powerful integrated technology functions, such as PID control and motion control. Programming utilizes the intuitive and easy-to-learn SIMATIC STEEP 7 Basic software, resulting in high engineering configuration efficiency. Furthermore, it has comprehensive diagnostic functions and multiple safety protection mechanisms, ensuring high reliability and making it an ideal choice for small and medium-sized automation tasks.

[0032] like Figures 4-5 As shown, the thermostatic partition 5 includes a mounting groove 51, a mounting cover 52, a water outlet 53, and a temperature-sensing thermostatic structure 6 electrically connected to the electronic control module 7. The water outlet 53 is located on the side away from the ground to ensure that water can flow into the pool, and is also equipped with... Figure 4 The system also showcases a water pump and water delivery pipes, allowing water to flow more smoothly into the next treatment stage. The mounting groove 51, located on the side of the thermostatic partition 5 facing the equalization tank 2, provides a close-to-the-source installation position for the temperature-sensing thermostatic structure 6, facilitating temperature intervention of the equalization tank 2 and the wastewater within the biological reactor 3. The location of the temperature-sensing thermostatic structure 6 on the mounting groove 51 facing the equalization tank 2 stabilizes the wastewater temperature in the biological reactor 3, ensuring microbial activity. It also prevents direct contact between the temperature-sensing thermostatic structure 6 and the wastewater, extending its service life and reducing the risk of electrical leakage due to damage to internal electrical components.

[0033] The mounting cover 52 is embedded in the mounting groove 51. This embedded design allows the mounting cover 52 and the mounting groove 51 to form a tight fit, ensuring the integrity of the constant temperature partition 5 while allowing for quick disassembly. This provides a convenient channel for the inspection and replacement of the temperature-sensing constant temperature structure 6, reducing maintenance difficulty and shortening downtime. Figure 6 As shown, the constant temperature partition 5 has a heat conduction groove 54 on the side away from the mounting groove 51, which increases the heat exchange area and makes the heat generated by the temperature sensing constant temperature structure 6 more efficiently conducted to the biological reaction tank 3.

[0034] In this embodiment, the mounting cover 52 is provided with a handle 56 on the side away from the mounting groove 51 for easy manual pulling. This provides a clear point of force for the installation and removal of the mounting cover 52, allowing maintenance personnel to pull the mounting cover 52 directly without the need for tools, reducing operation steps and improving maintenance efficiency. The surface of the handle 56 is covered with an anti-slip layer 561, which increases the friction between the hand and the handle 56. This effectively prevents slippage when the maintenance personnel's hands are wet or dirty, ensuring stable force during the pulling process and reducing the risk of the mounting cover 52 accidentally falling off due to slippage, thus improving the convenience and safety of this embodiment.

[0035] like Figure 4 As shown, in this embodiment, the temperature sensing and constant temperature structure 6 includes an electric heating plate 61 and a water temperature detector 62. The water temperature detector 62 is electrically connected to the electric heating plate 61 and the electronic control module 7. When the water temperature detector 62 detects that the water temperature of the biological reaction tank 3 is lower than the threshold, it sends a signal. After the signal is processed by the electronic control module 7, it triggers the electric heating plate 61 to start. After the water temperature reaches the standard, the electric heating plate 61 turns off the heating, so that the water temperature of the biological reaction tank 3 is at the optimal working temperature for microorganisms.

[0036] A water temperature sensor 62 is installed on the side of the thermostatic partition 5 facing the bioreactor 3, enabling real-time and accurate monitoring of the actual water temperature within the bioreactor 3. This improves temperature control accuracy and ensures that the measured data matches the temperature of the microbial environment. An electric heating plate 61 is installed on the side of the mounting groove 51 facing the equalization tank 2, allowing simultaneous heating of wastewater in both the equalization tank 2 and the bioreactor 3, reducing heating energy consumption. The electric heating plate 61 is positioned perpendicular to the mounting groove 51, enhancing heat exchange efficiency. This vertical layout allows for more even heat distribution in the wastewater, preventing localized overheating, and facilitates compact arrangement within the mounting groove 51, ensuring effective heating without occupying excessive tank volume.

[0037] In this embodiment, the heating plate 61 facing the mounting groove 51 is provided with several heat-conducting pipes 611, which can quickly conduct the heat generated by the heating plate 61 to the mounting groove 51, and then act on the sewage in the equipment through the constant temperature partition 5. The arrangement of multiple heat-conducting pipes 611 increases the heat transfer path and area, improves heat transfer efficiency, and can achieve preheating or heating of sewage more quickly. At the same time, it can reduce the volume of the heating plate 61, reducing cost and energy consumption. The heat-conducting pipes 611 are arranged parallel to the installation direction of the device, so that the heat is stably diffused along the installation direction of the device, avoiding local heat concentration.

[0038] In this embodiment, the heat pipe 611 is preferably made of copper. Copper has a high thermal conductivity, which allows it to quickly conduct the heat generated by the heating plate 61 to the mounting groove 51 and the constant temperature partition 5, thereby efficiently acting on the wastewater, improving heat exchange efficiency, and shortening the wastewater preheating or heating time. At the same time, copper has good ductility and machinability, making it easy to manufacture into a shape that fits the mounting groove 51, and it can fit tightly with the heating plate 61 to ensure a smooth heat transfer path.

[0039] In this embodiment, the biological reactor 3 includes an anaerobic tank 31 and an aerobic tank 32. A constant-temperature partition 5 is installed between the anaerobic tank 31, the aerobic tank 32, and the sedimentation tank 4. Anaerobic and aerobic microorganisms have different temperature requirements. The constant-temperature partition 5 between the anaerobic tank 31, the aerobic tank 32, and the sedimentation tank 4 allows for the setting of different thresholds for the water temperature detector 62 according to different temperature requirements, thus satisfying the suitable operating temperature for both types of microorganisms and preventing temperature interference from affecting their activity. Simultaneously, as the sludge-water separation stage, the stable temperature in the sedimentation tank 4 reduces the impact of water temperature changes on water density, improving the sedimentation effect.

[0040] In this embodiment, the material of the constant temperature partition 5 is preferably aluminum-manganese alloy. Its advantages include a thermal conductivity of approximately 190 W / (m·K), and the natural formation of a dense oxide film on its surface, which resists the erosion of weak acids and organic matter in sewage, exhibiting a certain degree of corrosion resistance. Furthermore, its low density makes it lightweight and easy to install. Simultaneously, aluminum-manganese alloy has good processing performance, allowing it to be stamped into a structure with heat-conducting grooves 54, efficiently transferring heat from the heating plate 61 and heat-conducting pipe 611 to the sewage. It combines thermal conductivity, structural support, and corrosion resistance, fully meeting the technical requirements for temperature transfer, structural stability, and service life in this embodiment.

[0041] In this embodiment, the edge of the mounting cover 52 is provided with a waterproof sealing layer 55, which can effectively prevent sewage from seeping into the mounting groove 51. The mounting groove 51 facing the mounting cover 52 has a sealing connection groove 551, and the waterproof sealing layer 55 facing the mounting groove 51 has a sealing connection block 552. The sealing connection block 552 is integrally designed with the waterproof sealing layer 55, which not only continues the elastic sealing characteristics of the waterproof sealing layer 55, but also enhances the bonding strength with the sealing connection groove 551 through its block structure. Compared with a planar seal, the block structure can increase the sealing contact area, increase the sealing pressure, and further improve the waterproof effect. At the same time, it makes the connection between the mounting cover 52 and the mounting groove 51 tighter, reducing gaps. The sealing connection block 552 is embedded in the sealing connection groove 551. This fit ensures sealing while simplifying the disassembly and assembly of the mounting cover. During maintenance, sealing and opening can be completed simply by inserting and pulling, improving the sealing performance and convenience of this embodiment.

[0042] After the mounting cover 52 is embedded in the mounting groove 51, it needs to be tightened with bolts. This strengthens the connection between the mounting cover 52 and the mounting groove 51, prevents loosening and displacement, ensures that the waterproof sealing layer 55 is continuously under pressure, and improves the sealing performance. At the same time, it allows the sealing connecting block 552 to fit more tightly into the sealing connecting groove 551, reducing gaps, strengthening waterproofing, and protecting the internal temperature-sensing and constant temperature structure 6. The bolts are easy to install and remove, balancing stability and convenience, and also improve the overall rigidity of the constant temperature partition 5, ensuring the operation of the temperature-sensing and constant temperature structure 6.

[0043] In this embodiment, the waterproof sealing layer 55 and the mounting cover 52 are detachably connected. The waterproof sealing layer 55 is prone to aging and failure with prolonged use; the detachable design allows only the damaged waterproof sealing layer 55 to be replaced, reducing maintenance costs. Furthermore, during maintenance, the two can be quickly separated, the waterproof sealing layer 55 can be replaced individually, and then reassembled, shortening maintenance time.

[0044] The detachable connection between the waterproof sealing layer 55 and the mounting cover 52 is preferably a snap-fit ​​connection. This method requires no tools and can be quickly disassembled and assembled by hand, meeting the need for rapid separation and reassembly during maintenance. Furthermore, the snap-fit ​​connection is secure, ensuring a tight fit between the waterproof sealing layer and the mounting cover without affecting sealing performance. When the waterproof sealing layer ages, it can be replaced simply by prying open the snap-fit, significantly reducing maintenance costs and shortening maintenance time.

[0045] In this embodiment, the heat-conducting groove 54 has an arc-shaped cross-section. Compared to right angles or other shapes, the arc-shaped cross-section increases the contact area between the heat-conducting groove 54 and the sewage, allowing the heat from the constant temperature baffle 5 to diffuse more evenly into the sewage, reducing local heat accumulation, improving heat exchange efficiency, and making it easier to maintain stable water temperature. At the same time, the arc-shaped structure guides the sewage to form a smoother flow pattern when flowing near the heat-conducting groove 54, reducing water flow resistance and turbulence generation; and it also reduces the probability of impurities in the sewage depositing in the heat-conducting groove 54, making it easier to maintain cleanliness and thermal conductivity over a long period of time.

[0046] The maintenance steps in this embodiment are as follows:

[0047] 1. When it is necessary to inspect and maintain the constant temperature partition and temperature sensing structure, first stop all operating procedures of the equipment through the electrical control module 7, close the water inlet, and ensure that no new sewage enters the device.

[0048] Restart the device's drainage system to drain all the water from the equipment, preventing sewage from damaging electrical components and ensuring the safety of maintenance personnel.

[0049] 2. After the equipment is completely emptied, maintenance personnel can reach the maintenance port 8 located at the top of the enclosure 1 via the external maintenance ladder 81, and then enter the enclosure 1 via the internal maintenance ladder 82.

[0050] The maintenance personnel remove the mounting cover 52 from the mounting groove 51 using the handle 56 on the mounting cover 52. At this time, the waterproof sealing layer 55 at the edge of the mounting cover 52 detaches along with the mounting cover, and the sealing connecting block 552 is removed from the sealing connecting groove 551.

[0051] 3. After opening the mounting cover 52, the heating plate 61, water temperature sensor 62, and other temperature-sensing and constant-temperature structures 6 inside the mounting slot 51 can be inspected. If problems such as damage to the heating plate 61 or malfunction of the water temperature sensor 62 are found, they should be replaced or repaired. At the same time, check whether the heat conduction groove 54 of the constant-temperature partition 5 is blocked or damaged, and clean or repair it in time.

[0052] 4. After the maintenance is completed, the mounting cover 52 is re-embedded into the mounting groove 51 to ensure that the sealing connection block 552 of the waterproof sealing layer 55 is accurately embedded in the sealing connection groove 551 of the mounting groove 51, so as to ensure the waterproof sealing of the constant temperature partition 5 and prevent sewage leakage.

[0053] 5. After the maintenance personnel leave the interior of the box 1 through the internal maintenance ladder 82, start the device, monitor the operating status of the temperature sensing constant temperature structure 6 through the electrical control module 7, check whether the water flow between each tank is smooth, and confirm that the device is operating normally after maintenance.

[0054] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" 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 application 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, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0055] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. An integrated domestic sewage treatment device, comprising a housing (1), wherein an electrical control module (7) is provided inside the housing (1), and wherein an equalization tank (2), a biological reactor (3), and a sedimentation tank (4) are sequentially arranged inside the housing (1), wherein a constant temperature partition (5) is provided between the equalization tank (2) and the biological reactor (3), characterized in that, The thermostatic partition (5) includes an installation groove (51), an installation cover (52), a water outlet (53), and a temperature-sensing thermostatic structure (6) electrically connected to the electrical control module (7). The water outlet (53) is located on the side away from the ground. The installation groove (51) is located on the side of the thermostatic partition (5) facing the regulating pool (2). The installation cover (52) is embedded in the installation groove (51). The temperature-sensing thermostatic structure (6) is located on the side of the installation groove (51) facing the regulating pool (2). A heat-conducting groove (54) is provided on the side of the thermostatic partition (5) away from the installation groove (51).

2. The integrated domestic sewage treatment device according to claim 1, characterized in that, The mounting cover (52) has a waterproof sealing layer (55) on its edge. The mounting groove (51) has a sealing connection groove (551) on the side facing the mounting cover (52). The waterproof sealing layer (55) has a sealing connection block (552) on the side facing the mounting groove (51). The sealing connection block (552) is embedded in the sealing connection groove (551).

3. The integrated domestic sewage treatment device according to claim 2, characterized in that, The temperature sensing and constant temperature structure (6) includes an electric heating plate (61) and a water temperature detector (62). The water temperature detector (62) is located on the side of the constant temperature partition (5) facing the biological reaction tank (3). The electric heating plate (61) is located on the side of the mounting groove (51) facing the regulating tank (2). The electric heating plate (61) is arranged perpendicular to the installation direction of the device along the mounting groove (51). The water temperature detector (62) and the electric heating plate (61) are both electrically connected to the electrical control module (7).

4. The integrated domestic sewage treatment device according to claim 3, characterized in that, The heating plate (61) is provided with a plurality of heat-conducting pipes (611) on the side facing the mounting groove (51), and the heat-conducting pipes (611) are arranged parallel to the installation direction of the device.

5. The integrated domestic sewage treatment device according to claim 4, characterized in that, The mounting cover (52) has a handle (56) on the side away from the mounting groove (51) for easy manual pulling, and the surface of the handle (56) is covered with an anti-slip layer (561).

6. The integrated domestic sewage treatment device according to claim 5, characterized in that, The bioreactor (3) includes an anaerobic tank (31) and an aerobic tank (32), and a constant temperature partition (5) is provided between the anaerobic tank (31), the aerobic tank (32), and the sedimentation tank (4).

7. The integrated domestic sewage treatment device according to claim 6, characterized in that, The heat-conducting groove (54) has an arc-shaped cross-section.

8. The integrated domestic sewage treatment device according to claim 7, characterized in that, The waterproof sealing layer (55) is detachably connected to the mounting cover (52).

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