A construction method and structure for underground sewage treatment plant

Abstract

This invention discloses a structure for an underground sewage treatment plant, including a box buried underground. The top left side of the box is fixedly connected to the lower end of an inlet pipe, and the upper end of the inlet pipe extends to the ground. A partition is fixed inside the box, and a filter screen is installed on the top of the partition. This invention can automatically remove and collect the separated waste after it accumulates to a certain amount, and can use the weight of the sewage to press out the moisture in the solid waste, which is beneficial for subsequent treatment.

Description

Technical Field

[0001] This invention relates to the field of wastewater treatment plants, and more particularly to a construction method and structure for underground wastewater treatment plants. Background Technology

[0002] Wastewater treatment plants are specialized facilities for treating wastewater. Currently, wastewater often contains a large number of pollutants, and existing technologies require the removal of these pollutants before the wastewater can be treated. For example, patent application number 201910723267.6 discloses a sewage treatment plant, which includes a pretreatment unit (1) and a biological treatment unit arranged in sequence. The biological treatment unit includes an anaerobic tank (21), an anoxic tank (22), an aerobic tank (23), and a secondary sedimentation tank (7) connected in sequence. The pretreated sewage treated by the pretreatment unit (1) is introduced into the anaerobic tank (21), the anoxic tank (22), and the aerobic tank (23) in a controlled manner through a multi-point inlet channel (5). The sewage treatment plant has a dry season operation mode and a rainy season operation mode. In the dry season operation mode, the pretreated sewage treated by the pretreatment unit (1) is introduced into the anaerobic tank only through the multi-point inlet channel. In the rainy season operation mode, the pretreated sewage treated by the pretreatment unit is introduced into the anaerobic tank, the anoxic tank, and the aerobic tank simultaneously through the multi-point inlet channel.

[0003] However, the aforementioned patents can only remove organic pollutants through biological treatment. They are not very effective at treating inorganic pollutants such as plastics and foam in wastewater, and improvements are needed. Summary of the Invention

[0004] The purpose of this invention is to provide a construction method and structure for underground sewage treatment plants to solve the above-mentioned technical problems.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] A structure for an underground sewage treatment plant includes a box buried underground. The top left side of the box is fixedly connected to the lower end of an inlet pipe, and the upper end of the inlet pipe extends to the ground. A partition is fixed inside the box, and a filter screen is installed on the top of the partition.

[0007] Preferably, a piston is installed inside the box, located on the left side of the partition. An electric telescopic rod is installed below the piston and fixed to the bottom of the box. The telescopic end of the electric telescopic rod is fixed to the bottom surface of the piston. A support plate is fixedly fitted on the top of the electric telescopic rod, and a controller is fixedly fitted on the top surface of the support plate. A self-resetting control button is installed on the top of the controller. A first spring is fitted on the telescopic end, with its lower end fixed to the electric telescopic rod and its upper end fixed to the piston. A water tank with an open top is installed inside the box, located on the right side of the partition. The left side of the top of the box is fixed to the left end of a bend, and the right end of the bend passes through the top of the box and the water tank, extending to below the water tank. A bottom plate is installed below the water tank, with its edge fixed to the partition and the box. Several seepage holes are opened on the bottom plate.

[0008] Preferably, a water pump pipe is fixed on the top right side of the box body, and the upper end of the water pump pipe extends to the ground.

[0009] Preferably, a cleaning box is fixedly installed on the right side of the box body, and openings are provided on the bottom left side of the cleaning box and the bottom right side of the box body, with a detachable sealing door installed in each opening.

[0010] Preferably, a ladder is installed inside the cleaning box, and a cover is installed on the top of the cleaning box.

[0011] Preferably, the bottom edge of the water tank is fixedly connected to the upper ends of a plurality of second springs, and the lower ends of the second springs are fixedly connected to the bottom plate.

[0012] Preferably, a drain pipe is fixedly installed on the right side of the bottom of the box.

[0013] Preferably, upper guide pipes are fixedly installed on both the left and right sides of the water tank, and a steel wire rope is installed below the water tank. The two ends of the steel wire rope pass through the two upper guide pipes respectively. Two floats are installed inside the water tank and are fixedly connected to the two ends of the steel wire rope respectively. Lower guide pipes are fixedly installed on both the left and right sides of the top surface of the bottom plate, and the steel wire rope passes through the lower guide pipes.

[0014] Preferably, a plurality of tripods are fixedly provided in the middle of the wire rope, and a push plate is fixedly provided on the top of the tripods.

[0015] The beneficial effects of this invention are:

[0016] This invention designs an underground sewage treatment plant that effectively avoids the odor problem of traditional above-ground sewage treatment plants. By setting up a filter screen, this invention can trap solid waste in the sewage on the left side of the tank, while the filtered sewage flows to the right side of the tank, achieving solid-liquid separation. Furthermore, this invention can automatically remove and collect the separated waste after it accumulates to a certain amount, and can use the weight of the sewage to press out the water in the solid waste, which is beneficial for subsequent treatment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention;

[0018] Figure 2 for Figure 1 Enlarged schematic diagram of part A;

[0019] Figure 3 for Figure 1 Enlarged schematic diagram of part B;

[0020] Figure 4 for Figure 1 Enlarged schematic diagram of part C;

[0021] Reference numerals: 1. Ground; 2. Inlet pipe; 3. Drain pipe; 4. Piston; 5. Box body; 6. Electric telescopic rod; 7. Bend; 8. Support plate; 9. Water tank; 10. Partition plate; 11. Cover plate; 12. Pumping pipe; 13. Cleaning box; 14. Second spring; 15. Sealing door; 16. First spring; 17. Telescopic end; 18. Controller; 19. Self-resetting control button; 20. Float ball; 21. Steel wire rope; 22. Upper guide tube; 23. Push plate; 24. Seepage hole; 25. Base plate; 26. Lower guide tube; 27. Tripod; 28. Filter screen; 29. ​​Ladder. Detailed Implementation

[0022] To make the technical means, creative features, achieved objectives, and effects of this invention easier to understand, the invention is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are merely preferred embodiments of this invention and not all embodiments. Other embodiments obtained by those skilled in the art based on the embodiments described herein without creative effort are all within the protection scope of this invention.

[0023] Specific embodiments of the present invention are described below with reference to the accompanying drawings.

[0024] Example 1

[0025] like Figure 1-4As shown, a buried sewage treatment plant structure includes a box 5 buried underground. The top left side of the box 5 is fixedly connected to the lower end of the inlet pipe 2. The upper end of the inlet pipe 2 extends to the ground 1. A partition 10 is fixedly installed inside the box 5. The partition 10 is vertically installed on the left side inside the box 5. The partition 10 divides the inside of the box 5 into left and right spaces. A filter screen 28 is installed on the top of the partition 10.

[0026] A piston 4 is installed inside the housing 5, located to the left of the partition 10. The piston 4 divides the space inside the housing 5 to the left of the partition 10 into upper and lower parts. An electric telescopic rod 6 is installed below the piston 4, and is fixedly connected to the bottom of the housing 5. The telescopic end 17 of the electric telescopic rod 6 is fixedly connected to the bottom surface of the piston 4. A support plate 8 is fixedly fitted on the top of the electric telescopic rod 6, and a controller 18 is fixedly fitted on the top surface of the support plate 8. The controller 18 is located to the left of the support plate, and a self-resetting control button 19 is installed on the top of the controller 18. The controller 18 is used to control the extension of the telescopic end 17 of the electric telescopic rod 6. A first spring 16 is fitted on the telescopic end 17. The lower end of the first spring 16 is fixedly connected to the electric telescopic rod 6, and the upper end of the first spring 16 is fixedly connected to the piston 4. A water tank 9 with an open top is provided inside the box 5. The water tank 9 is located on the right side of the partition 10. The water tank 9 divides the space on the right side of the partition 10 inside the box 5 into upper and lower parts. The left side of the top of the box 5 is fixedly connected to the left end of the bent pipe 7. The right end of the bent pipe 7 passes through the top of the box 5 and the water tank 9 in sequence and extends to the bottom of the water tank 9. The water tank 9 and the bent pipe 7 are slidably connected. A bottom plate 25 is provided below the water tank 9. The edge of the bottom plate 25 is fixedly connected to the partition 10 and the box 5. Several seepage holes 24 are opened on the bottom plate 25. A water pumping pipe 12 is fixedly provided on the right side of the top of the box 5. The upper end of the water pumping pipe 12 extends to the ground 1.

[0027] A cleaning box 13 is fixedly installed on the right side of the box body 5. Openings are located at the bottom left side of the cleaning box 13 and the bottom right side of the box body 5, with removable sealing doors 15 installed inside each opening. A ladder 3 is installed inside the cleaning box 13, and a cover plate 11 is installed on the top of the cleaning box 13. The cover plate 11 can seal the top of the cleaning box 13 to prevent pedestrians from falling inside. The ladder 3 allows workers to easily climb to the bottom of the cleaning box 13. The bottom edge of the water tank 9 is fixedly connected to the upper ends of multiple second springs 14, and the lower ends of the second springs 14 are fixedly connected to the base plate 25. A drain pipe 3 is fixedly installed on the bottom right side of the box body 5.

[0028] Upper guide pipes 22 are fixedly installed on both the left and right sides of the water tank 9. A steel wire rope 21 is installed at the bottom of the water tank 9. The two ends of the steel wire rope 21 pass through the two upper guide pipes 22 respectively. Two floats 20 are installed inside the water tank 9. The floats 20 can float in the water. The two floats 20 are fixedly connected to the two ends of the steel wire rope 21 respectively. Lower guide pipes 26 are fixedly installed on both the left and right sides of the top surface of the bottom plate 25. The steel wire rope 21 passes through the lower guide pipes 26, making the steel wire rope 21 U-shaped. Multiple tripods 27 are fixedly installed in the middle of the steel wire rope 21. A push plate 23 is fixedly installed on the top of the tripods 27.

[0029] Working principle: During use, sewage is introduced into the left side of the partition 10 inside the tank 5 through the inlet pipe 2. The sewage flows to the right side of the partition 10 through the filter screen 28. Solid waste in the sewage is trapped on the left side of the filter screen 28 and accumulates above the piston 4. As more and more waste accumulates above the piston 4, the waste presses down on the piston 4, causing the piston 4 to descend and compress the first spring 16. As the piston 4 continues to descend, the piston 4 presses the self-reset control button 19, causing the controller 18 to control the electric telescopic rod 6 to start driving the telescopic end 17 to extend. The telescopic end 17 pushes the waste upward through the piston 4, causing the waste to fall into the water tank 9 through the bend pipe 7. As sewage continues to accumulate in the water tank 9, the sewage presses down on the water tank 9, causing the water tank 9 to move downward. This causes the water tank 9 to compress the waste below the water tank 9, squeezing out the water in the waste. The water then flows into the bottom plate 25 through the seepage hole 24 on the bottom plate 25 and is then discharged through the drain pipe 3.

[0030] Disinfectant and purifying agent can be sprayed into the sewage accumulated in the tank 5 through the water pump pipe 12 to treat the sewage. After treatment, the hose connected to the water pump can be inserted into the water tank 9 through the water pump pipe 12 to extract the purified sewage from the water tank 9.

[0031] As the sewage in the water tank 9 fluctuates, the two floats 20 move up and down repeatedly, pulling the steel wire rope 21 back and forth. This causes the steel wire rope 21 to drive the push plate 23 to move back and forth left and right, dispersing the garbage below the water tank 9 evenly and preventing the garbage from accumulating below the right end of the bend pipe 7.

[0032] By climbing down ladder 29 to the bottom of cleaning box 13 and removing sealing door 15, the accumulated garbage under water tank 9 can be removed and cleaned.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A structure for an underground sewage treatment plant, characterized in that: Includes a box (5) buried underground, the top left side of the box (5) is fixedly connected to the lower end of the water inlet pipe (2), the upper end of the water inlet pipe (2) extends to the ground (1), a partition (10) is fixedly installed inside the box (5), and a filter screen (28) is installed on the top of the partition (10). A piston (4) is provided inside the box (5). The piston (4) is located on the left side of the partition (10). An electric telescopic rod (6) is provided below the piston (4). The electric telescopic rod (6) is fixedly connected to the bottom of the box (5). The telescopic end (17) of the electric telescopic rod (6) is fixedly connected to the bottom surface of the piston (4). A support plate (8) is fixedly sleeved on the top of the electric telescopic rod (6). A controller (18) is fixedly sleeved on the top surface of the support plate (8). A self-reset control button (19) is provided on the top of the controller (18). A first spring (16) is sleeved on the telescopic end (17). The lower end of the first spring (16) is fixedly connected to the electric telescopic rod (6). The upper end of the first spring (16) is fixedly connected to the piston (4). The box (5) is equipped with a water tank (9) with an open top, and the water tank (9) is located on the right side of the partition (10); The top left side of the box body (5) is fixedly connected to the left end of the bent pipe (7), and the right end of the bent pipe (7) passes through the top of the box body (5), the water tank (9) and extends to the bottom of the water tank (9); A bottom plate (25) is provided below the water tank (9). The edge of the bottom plate (25) is fixedly connected to the partition (10) and the tank body (5). Several seepage holes (24) are provided on the bottom plate (25). The bottom edge of the water tank (9) is fixedly connected to the upper end of a plurality of second springs (14), and the lower end of the second springs (14) is fixedly connected to the bottom plate (25).

2. The structure of an underground sewage treatment plant according to claim 1, characterized in that: A water pumping pipe (12) is fixed on the top right side of the box (5), and the upper end of the water pumping pipe (12) extends to the ground (1).

3. The structure of an underground sewage treatment plant according to claim 2, characterized in that: A cleaning box (13) is fixedly installed on the right side of the box body (5). Openings are provided on the bottom left side of the cleaning box (13) and the bottom right side of the box body (5). A sealing door (15) is detachably installed in the opening.

4. The structure of an underground sewage treatment plant according to claim 3, characterized in that: The cleaning box (13) is equipped with a ladder (29) inside and a cover plate (11) is installed on the top of the cleaning box (13).

5. The structure of an underground sewage treatment plant according to claim 4, characterized in that: A drain pipe (3) is fixedly installed on the bottom right side of the box (5).

6. The structure of an underground sewage treatment plant according to claim 5, characterized in that: The water tank (9) has upper guide pipes (22) fixedly installed on both the left and right sides. A steel wire rope (21) is installed below the water tank (9). The two ends of the steel wire rope (21) pass through the two upper guide pipes (22) respectively. Two floats (20) are installed inside the water tank (9). The two floats (20) are fixedly connected to the two ends of the steel wire rope (21) respectively. Lower guide pipes (26) are fixedly installed on both the left and right sides of the top surface of the bottom plate (25). The steel wire rope (21) passes through the lower guide pipes (26).

7. The structure of an underground sewage treatment plant according to claim 6, characterized in that: Multiple tripods (27) are fixed in the middle of the wire rope (21), and a push plate (23) is fixed on the top of the tripods (27).

8. The construction method for a buried sewage treatment plant structure according to claim 7, characterized in that: include: Wastewater is introduced into the left side of the partition (10) inside the tank (5) through the inlet pipe (2). The wastewater flows to the right side of the partition (10) through the filter screen (28). Solid waste in the wastewater is trapped on the left side of the filter screen (28). The waste presses down the piston (4) to make the piston (4) drop down, so that the piston (4) presses the self-reset control button (19), so that the controller (18) controls the electric telescopic rod (6) to start the drive telescopic end (17) to extend, so that the piston (4) pushes the waste up quickly, so that the waste falls into the water tank (9) through the bend pipe (7). As the wastewater in the water tank (9) continues to accumulate, the wastewater presses down the water tank (9) to make the water tank (9) move down. The water tank (9) compresses the waste below the water tank (9) and squeezes out the water in the waste. Disinfectant and purifying agent are sprayed into the sewage accumulated in the tank (5) through the pumping pipe (12) to treat the sewage. After treatment, the hose connected to the water pump is inserted into the water tank (9) through the pumping pipe (12) to extract the purified sewage from the water tank (9).

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