Small treatment device for resource utilization of rural domestic sewage in mountainous area

Abstract

The utility model discloses a small-sized treatment device for resource utilization of rural domestic sewage in mountainous areas, which relates to the technical field of sewage treatment and comprises an overhaul well, a water storage tank, a soil rapid infiltration water homogenizer and a water inlet pipe, a sewage filtering component and a facultative anaerobic zone are arranged inside the bottom end of the overhaul well, and a water storage zone is arranged in the center inside the water storage tank. The bottom of the inner wall of the water storage tank is filled with a porous biological filler layer, the outer wall of the water storage area is provided with a reaction area, and the interior of the water storage area is communicated with the soil rapid infiltration water uniformizing device through a pipeline. By means of multi-stage treatment, the quality of effluent is remarkably improved and reaches or exceeds the farmland irrigation water quality standard, nitrogen and phosphorus nutrient substances generated in the treatment process can be used for crop irrigation and resource utilization, pollution of sewage to the environment is reduced, the rural ecological environment is protected, and the device is simple in overall structure, low in operation cost and suitable for popularization and application. The method is suitable for popularization and application in rural areas.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a small treatment device for resource utilization of domestic sewage in mountainous rural areas. Background Art

[0002] Rural areas are primarily mountainous, with scattered villages. These characteristics require sewage treatment technologies to be highly adaptable and flexible. However, current technology models often overlook these local characteristics, making it difficult for sewage treatment facilities to operate effectively. Urban sewage treatment technologies typically emphasize "large-scale centralization and large-scale treatment." This model is uneconomical in rural areas due to their vast land and sparse population. Not only are sewage collection pipe network construction costs high and utilization rates low, but it also struggles to adapt to the "large-scale dispersion and small-scale centralization" characteristics of rural sewage. The treatment of rural domestic sewage should be precisely matched to its destination and use. Effective treatment technologies and facilities are particularly lacking for small-scale, decentralized rural sewage. While traditional three-compartment septic tanks can reduce solid pollutants in sewage to a certain extent, the effluent quality still does not meet the standards for direct irrigation and requires further treatment to improve water quality.

[0003] In view of the shortcomings of existing rural domestic sewage treatment technology, the utility model aims to provide a small treatment device for resource utilization of domestic sewage in mountainous rural areas. The device can carry out targeted multi-stage treatment according to rural domestic sewage of different scales and uses, improve the effluent water quality to make it meet the farmland irrigation standards, and realize the recycling of resources at the same time. Utility Model Content

[0004] The purpose of the utility model is to provide a small treatment device for resource utilization of domestic sewage in mountainous rural areas, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas comprises an inspection well, a water storage tank, a soil rapid infiltration water homogenizer and a water inlet pipe. A sewage filtering component and a facultative anaerobic zone are provided inside the bottom end of the inspection well. A water storage area is provided at the inner center of the water storage tank. The bottom of the inner wall of the water storage tank is filled with a porous biological filler layer. A reaction area is provided on the outer wall of the water storage area. The interior of the water storage area is connected to the soil rapid infiltration water homogenizer via a pipeline.

[0007] The sewage filtering assembly includes a filter bucket, a dredging filter cartridge and a positioning rod. The bottom of the inner wall of the filter bucket is provided with a mounting hole adapted to the outer wall of the dredging filter cartridge. The bottom surface of the dredging filter cartridge is fixedly connected to the upper surface of the positioning rod, and one end of the positioning rod is fixedly connected to the inner wall of the inspection well.

[0008] An indicator component for indicating a blockage condition is provided on one side of the filter bucket.

[0009] A further improvement of the technical solution of the present utility model is that: the indicating assembly includes a traction line fixedly connected to the top of the filter bucket, and also includes a counterweight block at one end of the traction line away from the filter bucket, a top cover is provided on the top of the inspection well, the outer wall of the traction line is movably connected to a fixed pulley, the outer wall of the end of the traction line close to the counterweight block is fixedly connected to an indicating rod by installing a slider, and the outer wall of the indicating rod is movably connected to a positioning guide cylinder.

[0010] A further improvement of the technical solution of the present utility model is that: the outer wall of the positioning guide cylinder is provided with a guide groove for sliding the mounting slider, the top end of the positioning guide cylinder is fixedly connected to the bottom surface of the top cover, and the top end of the indicator rod is movable through the top of the top cover.

[0011] A further improvement of the technical solution of the present invention is that: the number of the fixed pulleys is two groups, and the two groups of fixed pulleys are fixedly connected to the bottom of the top cover through mounting rods.

[0012] A further improvement of the technical solution of the present utility model is that the drainage end of the water inlet pipe is located above the filter bucket, and the inspection well is connected to the reaction zone through a pipeline.

[0013] A further improvement of the technical solution of the present invention is that a positioning ring is fixedly connected to the top end of the filter cartridge.

[0014] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0015] 1. The utility model provides a small treatment device for resource utilization of domestic sewage in mountainous rural areas to improve the effluent quality: through multi-stage treatment, the effluent quality is significantly improved, reaching or exceeding the farmland irrigation water quality standard.

[0016] 2. The utility model provides a small treatment device for resource utilization of domestic sewage in mountainous rural areas. Resource utilization: the nitrogen and phosphorus nutrients generated during the treatment process can be used for crop irrigation and resource utilization.

[0017] 3. The utility model provides a small treatment device for resource utilization of domestic sewage in mountainous rural areas, which is environmentally friendly: it reduces the pollution of sewage to the environment and protects the rural ecological environment.

[0018] 4. The utility model provides a small treatment device for resource utilization of domestic sewage in mountainous rural areas, which is economical and efficient: the overall structure of the device is simple, the operating cost is low, and it is suitable for promotion and application in rural areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the sewage treatment process structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structural details of the inspection well of the present utility model;

[0021] Figure 3 This is a schematic diagram of the overhead structural details of the inspection well of the present utility model;

[0022] Figure 4 This is a schematic diagram of the structure details of the filter bucket of the present invention;

[0023] Figure 5 It is an enlarged schematic diagram of the structure at point A of the present utility model.

[0024] In the figure: 1. Inspection well; 2. Water storage tank; 3. Soil rapid infiltration water homogenizer; 4. Water inlet pipe; 5. Reaction area; 6. Porous biological filler layer; 7. Water storage area; 8. Facultative anaerobic area; 9. Filter bucket; 10. Positioning guide cylinder; 11. Indicator rod; 12. Traction line; 13. Fixed pulley; 14. Counterweight; 15. Mounting hole; 16. Drain filter cartridge; 17. Positioning rod; 18. Guide chute; 19. Mounting slider; 20. Top cover. DETAILED DESCRIPTION

[0025] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] The present invention is further described in detail below with reference to the embodiments:

[0027] Example 1

[0028] like Figure 1-5 As shown, the utility model provides a small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas, comprising an inspection well 1, a water storage tank 2, a soil fast seepage water homogenizer 3 and a water inlet pipe 4. A sewage filtering assembly and a facultative anaerobic zone 8 are provided inside the bottom end of the inspection well 1. A water storage area 7 is provided in the center of the water storage tank 2. A porous biological filler layer 6 is filled at the bottom of the inner wall of the water storage tank 2. A reaction zone 5 is provided on the outer wall of the water storage area 7. The interior of the water storage area 7 is connected to the soil fast seepage water homogenizer 3 through a pipeline.

[0029] The sewage filtration assembly includes a filter bucket 9, a dredging filter cartridge 16 and a positioning rod 17. The bottom of the inner wall of the filter bucket 9 is provided with a mounting hole 15 adapted to the outer wall of the dredging filter cartridge 16. The bottom surface of the dredging filter cartridge 16 is fixedly connected to the upper surface of the positioning rod 17, and one end of the positioning rod 17 is fixedly connected to the inner wall of the inspection well 1.

[0030] The drainage end of the water inlet pipe 4 is located above the filter bucket 9, and the inspection well 1 is connected to the reaction zone 5 through a pipeline.

[0031] Utilizing the traditional three-compartment septic tanks used by farmers, each compartment is connected by a water flow channel to form an anaerobic, facultative and aerobic environment, which gradually decomposes the pollutants in the sewage. The effluent from the three-compartment septic tank enters the inspection well 1 of the device. Inspection well 1 is the first step for sewage to enter the system. Its main function is to preliminarily collect and precipitate large particles of impurities and suspended matter in the sewage, reducing the load on the subsequent treatment structure. This structure must be designed with sufficient volume to ensure that the solid matter in the sewage can be fully precipitated, and at the same time facilitate daily maintenance and inspection. Reaction zone 5 in water storage tank 2: A porous biological filler layer 6, such as activated carbon, biological ceramsite, etc., is provided in the water storage tank 2 to enhance the effect of removing pollutants. The sewage stays in the water storage tank 2 for a certain period of time, and achieves the purpose of deep purification through the adsorption of the filler and the degradation of microorganisms.

[0032] Final effluent quality monitoring and irrigation effectiveness evaluation. Water quality monitoring: After the system is operating stably, regular monitoring of effluent quality is conducted, including indicators such as COD, ammonia nitrogen, and total phosphorus, to ensure that the effluent quality meets irrigation standards. Irrigation effectiveness evaluation: After using treated water for irrigation, crop growth, soil fertility changes, and pest and disease occurrence are observed to comprehensively evaluate the actual application effect of the system.

[0033] During site selection and foundation construction, choose a suitable location based on the home layout and terrain conditions to install the three-compartment septic tank, inspection well 1, and soil infiltration water homogenizer 3. Excavate the foundation pit to ensure a solid and level foundation, and reserve space for connecting pipes between the various structures.

[0034] During equipment installation and pipe connection, install the three-compartment septic tank, inspection well 1, and soil rapid infiltration water distributor 3 in sequence, paying attention to the horizontality and verticality of each structure. Connect the pipes between the structures, ensuring a good seal to prevent sewage leakage. Install the water storage tank 2 and its supporting facilities, such as the packing layer and inlet and outlet pipes.

[0035] During the debugging and operation phase, after installation is complete, system debugging is carried out to check whether each structure is operating normally and whether there is any leakage.

[0036] Add sewage gradually, observe the system treatment effect, and adjust the operating parameters to the optimal state.

[0037] Example 2

[0038] like Figure 1-5 As shown, based on Example 1, the present invention provides a technical solution: preferably, an indicator component for indicating a blockage condition of the filter 9 is provided on one side of the filter 9.

[0039] The indicating assembly includes a traction line 12 fixedly connected to the top of the filter bucket 9, and also includes a counterweight block 14 at the end of the traction line 12 away from the filter bucket 9. A top cover 20 is provided on the top of the inspection well 1. The outer wall of the traction line 12 is movably connected to a fixed pulley 13. The outer wall of the end of the traction line 12 close to the counterweight block 14 is fixedly connected to the indicating rod 11 through the installation slider 19, and the outer wall of the indicating rod 11 is movably connected to the positioning guide cylinder 10.

[0040] The outer wall of the positioning guide cylinder 10 is provided with a guide groove 18 for installing the sliding block 19. The top end of the positioning guide cylinder 10 is fixedly connected to the bottom surface of the top cover 20, and the top end of the indicator rod 11 is movable through the top of the top cover 20.

[0041] There are two groups of fixed pulleys 13 , and both groups of fixed pulleys 13 are fixedly connected to the bottom of the top cover 20 via mounting rods.

[0042] A positioning ring is fixedly connected to the top of the filter cartridge 16 .

[0043] like Figure 1-5 As shown, based on Example 1, the present invention provides a technical solution: preferably,

[0044] The following is a detailed description of the working principle of the small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas.

[0045] like Figure 1-5 As shown, during sewage treatment, farmers first use traditional three-compartment septic tanks for pretreatment. The water from the household three-compartment septic tank enters the inspection well 1, and the water from the inspection well 1 enters the reaction zone 5 of the water storage tank 2. The reaction zone 5 is mainly filled with fillers to remove wastewater pollutants. The water treated in the reaction zone 5 of the water storage tank is transported to the field through the soil fast infiltration water homogenizer 3 to be used as organic fertilizer.

[0046] When sewage is discharged into the inspection well 1 through the water inlet pipe 4, it is first filtered by the filter bucket 9. As the sewage filtration time gradually increases, impurities inside the filter bucket 9 gradually accumulate and blockage occurs. As the sewage in the filter bucket 9 gradually increases, its weight increases accordingly. When the weight of the filter bucket 9 is greater than the weight of the counterweight 14, the filter bucket 9 will drive the counterweight 14 to move upward through the traction line 12 during the downward movement. At this time, when the traction line 12 is pulled by the filter bucket 9, it will pull the installation slider 19 to move up the inner wall of the guide slot 18. At this time, the installation slider 19 drives the indicator rod 11 to move up the inner wall of the positioning guide cylinder 10. As the indicator rod 11 moves upward, its top protrudes from the surface of the top cover 20, forming an indicator effect, reminding the staff to clean the filter bucket 9, and the blockage in the filter bucket 9 can be judged according to the height of the protrusion of the top cover 20.

[0047] As the filter bucket 9 moves downward, the filter cartridge 16 at its bottom will begin to move upward relative to the filter bucket 9 under the push of the positioning rod 17, and lift up the impurities at the bottom of the filter bucket 9, and use the filter holes on its own outer wall to filter. In the event that the filter bucket 9 is blocked, it can provide a backup filtering function to ensure the normal circulation and transportation of sewage.

[0048] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas, comprising a maintenance well (1), a water storage tank (2), a soil rapid infiltration water homogenizer (3) and a water inlet pipe (4), characterized in that: A sewage filtering assembly and a facultative anaerobic zone (8) are provided inside the bottom end of the inspection well (1); a water storage area (7) is provided in the center of the water storage tank (2); a porous biological filler layer (6) is filled at the bottom of the inner wall of the water storage tank (2); a reaction area (5) is provided on the outer wall of the water storage area (7); and the interior of the water storage area (7) is connected to the soil fast infiltration water homogenizer (3) through a pipeline; The sewage filter assembly comprises a filter hopper (9), a drainage filter cartridge (16) and a positioning rod (17); a mounting hole (15) adapted to the outer wall of the drainage filter cartridge (16) is provided at the bottom of the inner wall of the filter hopper (9); the bottom surface of the drainage filter cartridge (16) is fixedly connected to the upper surface of the positioning rod (17); and one end of the positioning rod (17) is fixedly connected to the inner wall of the inspection well (1); One side of the filter hopper (9) is provided with an indication component for indicating a blockage condition thereof.

2. The small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas according to claim 1 is characterized by: The indicating assembly comprises a traction line (12) fixedly connected to the top of the filter bucket (9), and also comprises a counterweight (14) at one end of the traction line (12) away from the filter bucket (9); a top cover (20) is provided on the top of the inspection well (1); an outer wall of the traction line (12) is movably connected to a fixed pulley (13); an outer wall of one end of the traction line (12) close to the counterweight (14) is fixedly connected to an indicating rod (11) via an installation slider (19); and an outer wall of the indicating rod (11) is movably connected to a positioning guide cylinder (10).

3. The small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas according to claim 2 is characterized by: The outer wall of the positioning guide cylinder (10) is provided with a guide slot (18) for sliding the mounting slide block (19); the top end of the positioning guide cylinder (10) is fixedly connected to the bottom surface of the top cover (20); and the top end of the indicator rod (11) is movable and penetrates the top of the top cover (20).

4. The small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas according to claim 2 is characterized by: There are two groups of fixed pulleys (13), and both groups of fixed pulleys (13) are fixedly connected to the bottom of the top cover (20) via mounting rods.

5. The small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas according to claim 1 is characterized by: The drainage end of the water inlet pipe (4) is located above the filter bucket (9), and the inspection well (1) is connected to the reaction zone (5) through a pipeline.

6. The small-scale treatment device for resource utilization of domestic sewage in mountainous rural areas according to claim 1 is characterized by: The top end of the filter cartridge (16) is fixedly connected with a positioning ring.

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