Intelligent modular sewage treatment device for distributed domestic sewage

Abstract

The invention discloses an intelligent modular sewage treatment device for distributed domestic sewage, and relates to the technical field of sewage treatment, the intelligent modular sewage treatment device comprises a plurality of sewage treatment tanks; one ends of the fixing pipes are fixedly arranged on the peripheral sides of the sewage treatment tanks, the other ends of the fixing pipes are connecting ends, and each sewage treatment tank is provided with four fixing pipes; the two ends of the connecting pipe are detachably connected with the two adjacent sewage treatment tanks; the limiting assembly is arranged at one end, far away from the sewage treatment tank, of the fixed pipe and is used for quickly connecting the connecting pipe with the fixed pipe; the fastening assembly is arranged in the fixing pipe and used for fixing the connecting pipe and the fixing pipe; according to the sewage treatment device, the problems that the treatment process is complicated and a large amount of time needs to be consumed due to the fact that pipelines of different specifications need to be cut according to requirements and the treatment boxes are connected during sewage treatment are solved.

Description

Technical Field

[0001] The present application relates to the technical field of sewage treatment, and in particular to an intelligent modular sewage treatment device for decentralized domestic sewage. Background Art

[0002] The development of my country's sewage treatment industry progressed relatively late. After entering the 1990s, my country's sewage treatment industry entered a period of rapid development, and the growth rate of sewage treatment demand was much higher than the global level.

[0003] A related domestic sewage treatment device includes a sedimentation tank, a horizontal flow tank, a filter tank, a concentration tank, a mud-water separation tank, an oxidation tank and a disinfection tank, etc. The domestic sewage is treated according to the water quality requirements. The required treatment tank is determined during the treatment, and the required tanks are connected in sequence through pipes, so that the domestic sewage can be treated.

[0004] However, during the treatment process, some treatment boxes are located far away, while some are located close. Therefore, before treating domestic sewage, it is necessary to cut pipes of different specifications according to needs and connect the treatment boxes, which makes the treatment process complicated and wastes time. Summary of the invention

[0005] In order to reduce the problem of cutting pipes of different specifications according to needs and connecting treatment boxes, which makes the treatment process complicated and requires a lot of time, the present application provides an intelligent modular sewage treatment device for decentralized domestic sewage.

[0006] The present application provides an intelligent modular sewage treatment device for decentralized domestic sewage, which adopts the following technical solutions: An intelligent modular sewage treatment device for decentralized domestic sewage, comprising: A sewage treatment tank, wherein a plurality of sewage treatment tanks are provided; A fixed pipe, one end of which is fixedly arranged on the outer peripheral side of the sewage treatment tank and the other end is a connecting end, and each sewage treatment tank is provided with four fixed pipes; A connecting pipe, both ends of which are detachably connected to two adjacent sewage treatment tanks; A limiting assembly, which is arranged at one end of the fixed pipe away from the sewage treatment tank and is used to quickly connect the connecting pipe to the fixed pipe; A fastening assembly is arranged in the fixing pipe and is used to fix the connecting pipe and the fixing pipe.

[0007] By adopting the above technical solution, the presence of the limiting component allows the connecting pipe and the fixed pipe to be quickly connected, reducing the time wasted when aligning the connecting pipe and the fixed pipe. The presence of the fastening component increases the connection stability between the connecting pipe and the fixed pipe, thereby reducing the need to cut pipes of different specifications according to needs and connect the processing boxes, which makes the processing process complicated and time-consuming.

[0008] Optionally, a limiting groove is horizontally arranged at the connecting end of the fixed pipe, a sliding groove is vertically arranged at the limiting groove, a clamping groove is vertically arranged at the connecting pipe, a fixing groove is arranged at one end of the clamping groove, and the limiting assembly includes: A connecting column, the fixed end of which is fixedly arranged at the bottom of the slide groove; A limit block, wherein the limit block is slidably disposed in the slide groove, one end of the limit block is fixedly connected to the telescopic end of the connecting column, and the other end is embedded in the fixed groove; An elastic member, wherein the elastic member is sleeved on the outer peripheral side of the connecting column, one end of the elastic member is fixedly connected to the bottom wall of the slide groove, and the other end is fixedly arranged on an end of the limit block close to the connecting column.

[0009] By adopting the above technical scheme, the limit block fixes the connecting tube and the fixed tube, and the connecting column increases the sliding stability of the limit block. When the slide groove is connected with the card slot, the elastic member drives the limit block to be embedded in the card slot. In order to prevent the connecting tube from being separated from the fixed tube, when the slide groove is connected with the fixed slot, since the depth of the fixed slot is deeper than the slide groove, the elastic member drives the limit block to be embedded in the fixed slot. The central axes of the slide groove and the fixed slot are inconsistent. Therefore, in order to embed the limit block in the fixed slot, it is necessary to rotate the connecting tube. The existence of the connecting column makes the limit block move in the opposite direction during the rotation of the connecting tube, which is simple and easy to operate.

[0010] Optionally, a sealing assembly is further included, wherein the limiting groove is vertically provided with a matching groove, the matching groove is spaced apart from the sliding groove, and the sealing assembly includes: Sealing gaskets, wherein two sealing gaskets are provided, and both of the two sealing gaskets are slidably provided in the matching grooves, and ends of the two sealing gaskets that are away from each other are fixed to the fastening assembly, and the two sealing gaskets seal the fixed tube.

[0011] By adopting the above technical solution and setting the sealing gasket, the sealing performance of the fixed pipe can be maintained when the fixed pipe does not need to be connected to the connecting pipe.

[0012] Optionally, the matching groove and the sliding groove are spaced apart, and the fastening assembly includes: A matching tube, one end of which is fixedly connected to an end of the sealing gasket that is away from each other, and the matching tube is in communication with the sealing gasket; An extrusion column, the extrusion column is slidably arranged on the peripheral side of the slide groove; A bellows, one end of which is connected to the matching tube, and the other end of which is connected to the extrusion column.

[0013] By adopting the above technical solution, the gas in the sealing gasket can be transported to the bellows through the matching tube. As the gas increases, the gas will drive the bellows to stretch, so that the bellows pushes the extrusion column to move in the direction of the connecting tube, thereby fixing the connecting tube conveniently and quickly.

[0014] Optionally, each of the sewage treatment tanks is provided with a sensor and a controller, and the controller is electrically connected to the sensor and the sewage treatment tank. The sensor is used to detect whether the water quality in the sewage treatment tank meets the treatment standards, and then transmits the detected signal to the controller, and the controller controls the operation of the sewage treatment tank.

[0015] By adopting the above technical solution, the sensor can detect the water quality in the sewage treatment tank, and the controller can control the working state of the sewage treatment tank, thereby realizing processing automation and reducing the cumbersome operating steps during manual control.

[0016] Optionally, four universal wheels are provided at the lower end of each sewage treatment tank.

[0017] By adopting the above technical solution and setting the universal wheels, the sewage treatment tank can be moved at will.

[0018] Optionally, a first guiding bevel is provided on a side of the limiting block away from the corrugated tube, and a second guiding bevel is provided on a side of the limiting block adjacent to the first guiding bevel and at an end of the limiting block close to the slot.

[0019] By adopting the above technical solution, the existence of the first guiding bevel allows the connecting pipe to smoothly enter the fixing pipe to achieve rapid fixation, and the existence of the second guiding bevel allows the connecting pipe and the fixing pipe to be quickly disassembled.

[0020] Optionally, a sealing flange is provided at the connection between the fixed pipe and the connecting pipe, and the sealing flange is fixedly connected to the connecting pipe by a snap fastener.

[0021] By adopting the above technical solution, the presence of the sealing flange increases the connection stability between the connecting pipe and the fixed pipe, and at the same time plays a sealing role, effectively preventing sewage from leaking during the transmission process, thereby ensuring that the connecting pipe and the fixed pipe will not be deformed, damaged or leak when the sewage flows.

[0022] In summary, the embodiment of the present invention provides an intelligent modular sewage treatment device for decentralized domestic sewage, which includes at least one of the following beneficial technical effects: 1. The existence of the limit assembly allows the connecting pipe and the fixed pipe to be quickly connected, reducing the time wasted when aligning the connecting pipe with the fixed pipe. The existence of the fastening assembly increases the connection stability between the connecting pipe and the fixed pipe, thereby reducing the need to cut pipes of different specifications according to needs and connect the processing boxes, which makes the processing process complicated and time-consuming.

[0023] 2. The limit block fixes the connecting tube and the fixed tube, and the connecting column increases the sliding stability of the limit block. When the slide groove is connected with the card slot, the elastic member drives the limit block to be embedded in the card slot. In order to prevent the connecting tube from being separated from the fixed tube, when the slide groove is connected with the fixed slot, since the depth of the fixed slot is deeper than the slide groove, the elastic member drives the limit block to be embedded in the fixed slot. The central axes of the slide groove and the fixed slot are inconsistent. Therefore, in order to embed the limit block in the fixed slot, the connecting tube needs to be rotated. The existence of the connecting column makes the limit block move in the opposite direction during the rotation of the connecting tube, which is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the structure of an intelligent modular sewage treatment device for decentralized domestic sewage provided by an embodiment of the present invention; Figure 2 A cross-sectional view of a sewage treatment tank in an intelligent modular sewage treatment device for decentralized domestic sewage provided by an embodiment of the present invention; Figure 3 A cross-sectional view of a fastening assembly in an intelligent modular sewage treatment device for decentralized domestic sewage provided by an embodiment of the present invention; Figure 4 for Figure 2 A magnified view of part A; Figure 5 A cross-sectional view of a limiter assembly in an intelligent modular sewage treatment device for decentralized domestic sewage provided by an embodiment of the present invention; Figure 6 A schematic structural diagram of a limiter assembly in an intelligent modular sewage treatment device for decentralized domestic sewage provided in an embodiment of the present invention.

[0025] Description of the symbols in the figure: 1. Sewage treatment tank; 11. Fixed pipe; 12. Connecting pipe; 13. Limiting groove; 14. Slide groove; 15. Card slot; 16. Fixed groove; 17. Matching groove; 18. Sealing gasket; 2. Limiting assembly; 21. Connecting column; 22. Limiting block; 23. Elastic member; 3. Fastening assembly; 31. Bellows; 32. Extrusion column; 33. Matching pipe; 41. Sensor; 42. Controller; 43. Universal wheel; 44. First guide slope; 45. Second guide slope; 46. Sealing flange; 47. Buckle. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-6 This application is described in further detail.

[0027] Combination Figure 1 , Figure 2 and Figure 3 The embodiment of the present application discloses an intelligent modular sewage treatment device for decentralized domestic sewage, comprising: a sewage treatment box 1, a fixed pipe 11, a connecting pipe 12, a limit assembly 2, a fastening assembly 3, and a sealing assembly. A limit groove 13 is horizontally arranged at the connecting end of the fixed pipe 11, and a slide groove 14 is vertically arranged at the limit groove 13. A matching groove 17 is vertically arranged at the limit groove 13, and the matching groove 17 is spaced apart from the slide groove 14. The sealing assembly comprises a sealing gasket 18, and two sealing gaskets 18 are arranged. The two sealing gaskets 18 are both slidably arranged in the matching groove 17. The ends of the two sealing gaskets 18 that are away from each other are fixed to the fastening assembly 3, and the two sealing gaskets 18 seal the fixed pipe 11. Multiple sewage treatment tanks 1 are provided; one end of the fixed pipe 11 is fixedly arranged on the outer peripheral side of the sewage treatment tank 1, and the other end is a connecting end, and each sewage treatment tank 1 is provided with 4 fixed pipes 11; both ends of the connecting pipe 12 are detachably connected to two adjacent sewage treatment tanks 1; the limiting component 2 is arranged at one end of the fixed pipe 11 away from the sewage treatment tank 1, and is used to quickly connect the connecting pipe 12 with the fixed pipe 11; the fastening component 3 is arranged in the fixed pipe 11, and is used to fix the connecting pipe 12 with the fixed pipe 11.

[0028] In the embodiment of the present application, the sewage treatment tank 1, the fixed pipe 11 and the connecting pipe 12 are arranged in a hollow cylindrical shape. It should be noted that the length of the connecting pipe 12 is greater than the fixed pipe 11, and the connecting pipe 12 connects two adjacent sewage treatment tanks 1. The sealing gasket 18 is arranged in a semi-arc shape, and the diameter of the sealing gasket 18 is greater than the diameter of the fixed pipe 11. After the two sealing gaskets 18 are in contact, the fixed pipe 11 is sealed to prevent the sewage in the sewage treatment tank 1 from flowing out of the fixed pipe 11 when the fixed pipe 11 does not need to be connected to the connecting pipe 12. The specific sealing gasket 18 is made of an airbag material, and the sealing gasket 18 is filled with an inert gas. The limiting groove 13 is set in an inverted U shape, the diameter of the limiting groove 13 is larger than the diameter of the fixed pipe 11, and the diameter of the limiting groove 13 is equal to the outer diameter of the connecting pipe 12, that is, the outer diameter of the connecting pipe 12 fits the inner diameter of the limiting groove 13, the matching groove 17 is set in a semi-arc shape, the matching groove 17 is set in a circular ring shape, the matching groove 17 satisfies the sliding of the sealing gasket 18, the slide 14 is set in a rectangular shape, and there are two slides 14 arranged relatively. More specifically, each sewage treatment tank 1 is provided with a sensor 41 and a controller 42 on the periphery, and the controller 42 is electrically connected to the sensor 41 and the sewage treatment tank 1. The sensor 41 is used to detect whether the water quality in the sewage treatment tank 1 meets the treatment standard, and then transmits the detected signal to the controller 42, and the controller 42 controls the operation of the sewage treatment tank 1. Four universal wheels 43 are provided at the lower end of each sewage treatment tank 1.

[0029] In specific use, since each sewage treatment box 1 has a different sewage treatment procedure, and the different uses of the treated sewage require different treatment processes, different sewage treatment boxes 1 are selected according to needs. Since each sewage treatment box 1 is provided with a universal wheel 43, after selecting the sewage treatment box 1, the sewage treatment box 1 is pushed to the designated position, and at the same time, the connecting pipe 12 is convenient for connecting the selected sewage treatment box 1. Specifically, the connecting pipe 12 is pushed into the limiting groove 13, and one end of the connecting pipe 12 drives the limiting component 2 to slide in the slide groove 14. At the same time, the connecting pipe 12 squeezes the sealing gasket 18 in the process of entering the limiting groove 13, thereby forming an opening, so that the connecting pipe 12 can enter the bottom of the limiting groove 13, and the sealing gasket 18 will seal during the squeezing process. The inert gas in the pad 18 is squeezed into the fastening component 3, so that the fastening component 3 contacts the connecting pipe 12 and clamps the connecting pipe 12. The existence of the limit component 2 and the fastening component 3 reduces the possibility of the connecting pipe 12 falling off during use. After the connecting pipe 12 connects the sewage treatment tank 1, the sewage is treated. During the treatment process, the sensor 41 detects whether the treated sewage meets the standards. If it meets the standards, the signal is transmitted to the controller 42. The controller 42 opens the outlet valve to allow the water in the sewage treatment tank 1 to enter the next sewage treatment tank 1 for the next treatment. If it is detected that it does not meet the standards, the signal is transmitted to the controller 42. The controller 42 controls the sewage treatment tank 1 to treat the sewage again until it meets the standards, thereby making the sewage treatment process relatively simple and shortening the processing time.

[0030] Combination Figure 4 , Figure 5 and Figure 6 In a specific embodiment, the connecting tube 12 is vertically provided with a card slot 15, and a fixed slot 16 is provided at one end of the card slot 15. The limiting assembly 2 includes: a connecting column 21, a limiting block 22, and an elastic member 23. The fixed end of the connecting column 21 is fixedly arranged at the bottom of the slide groove 14; the limiting block 22 is slidably arranged in the slide groove 14, one end of the limiting block 22 is fixedly connected to the telescopic end of the connecting column 21, and the other end is embedded in the fixed slot 16; the elastic member 23 is sleeved on the outer peripheral side of the connecting column 21, one end of the elastic member 23 is fixedly connected to the bottom wall of the slide groove 14, and the other end is fixedly arranged at one end of the limiting block 22 connected to the connecting column 21.

[0031] In the embodiment of the present application, the slot 15 is arranged in an arc shape, the fixing slot 16 is arranged in a rectangular shape, and the opening of the fixing slot 16 is flush with the bottom end of the slot 15, so that the limit block 22 rotates along the slot 15 in the slot, and then is embedded in the fixing slot 16, thereby increasing the connection stability between the fixing pipe 11 and the connecting pipe 12. The connecting column 21 is a telescopic rod, and the setting of the telescopic rod can increase the contact tightness between the limit block 22 and the connecting pipe 12, and increase the connection stability between the limit block 22 and the elastic member 23, and reduce the situation where the limit block 22 falls off due to the rotation of the connecting pipe 12. The limit block 22 is arranged in a rectangular shape. It should be noted that a first guide slope 44 is arranged on the side of the limit block 22 away from the corrugated tube 31, and a second guide slope 45 is arranged on the side of the limit block 22 adjacent to the first guide slope 44, and the end of the limit block 22 close to the slot 15. The elastic member 23 is a spring, one end of which is fixedly connected to the bottom wall of the slide groove 14, and the other end of the spring is fixedly connected to the limit block 22. When the slide groove 14 is connected to the fixed groove 16, the elastic recovery potential energy of the spring drives the limit block 22 to embed into the fixed groove 16, thereby increasing the stability of the fixed tube 11 and the connecting tube 12. It should be noted that the inclined surface of the first guide slope 44 is larger than that of the second guide slope 45.

[0032] In specific use, when the connecting tube 12 is pushed into the limiting groove 13, due to the existence of the first guiding inclined surface 44, the limiting block 22 slides into the sliding groove 14, causing the connecting column 21 to contract and the spring to compress, so that the free end of the limiting block 22 abuts against the outer peripheral side of the connecting tube 12, so that the connecting tube 12 can smoothly abut against the bottom wall of the limiting groove 13. When the sliding groove 14 is connected with the clamping groove 15, the spring drives the limiting block 22 to enter the clamping groove 15 due to its elastic recovery effect, and the connecting column 21 extends, and then the connecting tube 12 is rotated. When the sliding groove 14 is connected with the fixing groove 16, the spring drives the limiting block 22 to embed into the fixing groove 16, and then the connecting tube 12 is rotated. The connecting tube 12 is connected to the fixed tube 11 to increase the connection stability of the connecting tube 12 and the fixed tube 11; when the connecting tube 12 needs to be disconnected from the fixed tube 11, the connecting tube 12 is rotated in the opposite direction. Due to the presence of the second guide bevel 45, the connecting tube 12 drives the limit block 22 to slide into the slide groove 14 during the rotation. The connecting tube 12 continues to be rotated to make the limit block 22 slide in the slot 15. When sliding to the other end of the slot 15, the presence of the second guide bevel 45 makes the limit block 22 slide out of the slot 15, and then pulls the connecting tube 12 away from the bottom of the limit groove 13, so that the connecting tube 12 is disconnected. It is simple and convenient.

[0033] Replay Figure 4In a specific embodiment, the limiting groove 13 is vertically provided with a matching groove 17, and the matching groove 17 is spaced apart from the slide groove 14. The fastening assembly 3 includes: a matching tube 33, an extrusion column 32, and a bellows 31. One end of the matching tube 33 is fixedly connected to the end of the sealing gasket 18 that is away from each other, and the matching tube 33 is communicated with the sealing gasket 18. The extrusion column 32 is slidably arranged on the peripheral side of the slide groove 14, and one end of the bellows 31 is communicated with the matching tube 33, and the other end is communicated with the extrusion column 32.

[0034] In the embodiment of the present application, the bellows 31 and the extrusion column 32 can be integrally formed, or fixedly connected by bonding or bolting. The extrusion column 32 is cylindrically arranged, and at the same time, the extrusion column 32 is rubber-like. The matching tube 33 connects the sealing gasket 18 with the bellows 31. The matching tube 33 can be a rubber tube or a steel tube. The embodiment of the present application does not make specific restrictions, and it is sufficient to transport the gas in the sealing gasket 18 to the bellows 31. In specific use, when the connecting tube 12 enters the limiting groove 13, the connecting tube 12 squeezes the sealing gasket 18, so that the gas in the sealing gasket 18 enters the matching tube 33, and enters the bellows 31 through the matching tube 33, so that the bellows 31 is extended, and then the bellows 31 drives the extrusion column 32 to slide toward the connecting tube 12 during the extension process, and the connecting tube 12 is pressed, thereby further increasing the connection stability between the connecting tube 12 and the fixed tube 11.

[0035] Replay Figure 3 In a specific embodiment, a sealing flange 46 is provided at the connection between the fixed pipe 11 and the connecting pipe 12 , and the sealing flange 46 is fixedly connected to the connecting pipe 12 through a buckle 47 .

[0036] In the embodiment of the present application, the sealing flange 46 seals the connection between the connecting pipe 12 and the fixed pipe 11 to ensure the sealing of the pipeline. At the same time, the setting of the buckle 47 increases the connection stability between the connecting pipe 12 and the fixed pipe 11, and reduces the connection pipe 12 and the fixed pipe 11 from falling off during the sewage transportation process.

[0037] The implementation principle of the embodiment of the present application is as follows: different sewage treatment tanks 1 are selected according to needs. Since each sewage treatment tank 1 is provided with a universal wheel 43, after selecting the sewage treatment tank 1, the sewage treatment tank 1 is pushed to the designated position. At the same time, it is convenient for the connecting pipe 12 to connect the selected sewage treatment tank 1. Specifically, the connecting pipe 12 is pushed into the limiting groove 13, and one end of the connecting pipe 12 drives the limiting component 2 to slide in the slide groove 14. At the same time, the connecting pipe 12 squeezes the sealing gasket 18 in the process of entering the limiting groove 13, thereby forming an opening, so that the connecting pipe 12 can enter the bottom of the limiting groove 13. The sealing gasket 18 squeezes the inert gas in the sealing gasket 18 into the fastening component 3 in the process of being squeezed, so that the fastening component Part 3 contacts the connecting pipe 12 to clamp the connecting pipe 12. The presence of the limit component 2 and the fastening component 3 reduces the possibility of the connecting pipe 12 falling off during use. After the connecting pipe 12 connects the sewage treatment tank 1, the sewage is treated. The sensor 41 detects whether the treated sewage meets the standards during the treatment process. If it meets the standards, the signal is transmitted to the controller 42. The controller 42 opens the outlet valve to allow the water in the sewage treatment tank 1 to enter the next sewage treatment tank 1 for the next treatment. If it is detected that it does not meet the standards, the signal is transmitted to the controller 42. The controller 42 controls the sewage treatment tank 1 to treat the sewage once until it meets the standards, thereby making the sewage treatment process relatively simple and shortening the processing time.

[0038] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. An intelligent modular sewage treatment device for decentralized domestic sewage, characterized in that: include: A sewage treatment tank (1), wherein a plurality of sewage treatment tanks (1) are provided; A fixed pipe (11), one end of the fixed pipe (11) being fixedly arranged on the outer peripheral side of the sewage treatment tank (1), and the other end being a connecting end, and each sewage treatment tank (1) is provided with four fixed pipes (11); A connecting pipe (12), both ends of which are detachably connected to two adjacent sewage treatment tanks (1); A limiting component (2), the limiting component (2) being arranged at an end of the fixed pipe (11) away from the sewage treatment tank (1) and being used for quickly connecting the connecting pipe (12) to the fixed pipe (11); A fastening assembly (3), wherein the fastening assembly (3) is arranged in the fixing tube (11) and is used to fix the connecting tube (12) to the fixing tube (11).

2. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 1, characterized in that: The connection end of the fixed tube (11) is laterally provided with a limiting groove (13), the limiting groove (13) is vertically provided with a sliding groove (14), the connecting tube (12) is vertically provided with a clamping groove (15), one end of the clamping groove (15) is provided with a fixing groove (16), and the limiting assembly (2) comprises: A connecting column (21), wherein a fixed end of the connecting column (21) is fixedly arranged at the bottom of the sliding groove (14); a limit block (22), the limit block (22) being slidably disposed in the slide groove (14), one end of the limit block (22) being fixedly connected to the telescopic end of the connecting column (21), and the other end of the limit block (22) being embedded in the fixing groove (16); An elastic member (23), wherein the elastic member (23) is sleeved on the outer peripheral side of the connecting column (21), one end of the elastic member (23) is fixedly connected to the bottom wall of the slide groove (14), and the other end is fixedly arranged on an end of the limit block (22) close to the connecting column (21).

3. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 2, characterized in that: It also includes a sealing component, wherein the limiting groove (13) is vertically provided with a matching groove (17), the matching groove (17) and the sliding groove (14) are arranged at a distance, and the sealing component includes: A sealing gasket (18), wherein two sealing gaskets (18) are provided, and the two sealing gaskets (18) are both slidably disposed in the matching groove (17), and ends of the two sealing gaskets (18) that are away from each other are fixed to the fastening assembly (3), and the two sealing gaskets (18) seal the fixed tube (11).

4. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 3 is characterized in that: The matching groove (17) and the sliding groove (14) are arranged at intervals, and the fastening assembly (3) comprises: a matching tube (33), one end of the matching tube (33) being fixedly connected to an end of the sealing gasket (18) that is away from each other, and the matching tube (33) being in communication with the sealing gasket (18); An extrusion column (32), the extrusion column (32) being slidably disposed on a peripheral side of the slide groove (14); A bellows (31), one end of the bellows (31) being in communication with the matching tube (33) and the other end of the bellows (31) being in communication with the extrusion column (32).

5. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 1, characterized in that: A sensor (41) and a controller (42) are provided on the periphery of each sewage treatment tank (1); the controller (42) is electrically connected to the sensor (41) and the sewage treatment tank (1); the sensor (41) is used to detect whether the water quality in the sewage treatment tank (1) meets the treatment standard, and then transmit the detected signal to the controller (42); the controller (42) controls the operation of the sewage treatment tank (1).

6. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 1, characterized in that: Each sewage treatment tank (1) is provided with four universal wheels (43) at the lower end.

7. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 4, characterized in that: A first guiding inclined surface (44) is provided on a side of the limiting block (22) away from the corrugated tube (31), and a second guiding inclined surface (45) is provided on a side of the limiting block (22) adjacent to the first guiding inclined surface (44) and at an end of the limiting block (22) close to the clamping slot (15).

8. The intelligent modular sewage treatment device for decentralized domestic sewage according to claim 1, characterized in that: A sealing flange (46) is provided at the connection between the fixed pipe (11) and the connecting pipe (12); the sealing flange (46) is fixedly connected to the connecting pipe (12) via a buckle (47).

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