A non-powered, efficient denitrification biological carbon fiber sewage treatment system

Abstract

The patent discloses a kind of unpowered high-efficiency denitrification biological carbon fiber sewage treatment system, including flow regulating area, water inlet pipe is equipped in one end of flow regulating area, float ball valve is installed in flow regulating area, the other end of flow regulating area is connected with oxidation tank area, the lower part of one end of oxidation tank area is equipped with sludge discharge pipe, base plate is arranged in the middle of oxidation tank area, shaft seat is arranged in both ends of base plate, shaft is installed on shaft seat, disc frame is equipped in oxidation tank area, disc frame center is fixed on shaft, strip carbon fiber filler is arranged in disc frame interval, granular carbon fiber filler is arranged in the lower part of disc frame, the lower part of the other end of oxidation tank area is equipped with water distribution port, sedimentation area is connected with oxidation tank area by water distribution port, the one end of effluent area is connected with sedimentation area by overflow weir, driving water wheel is installed in effluent area, driving water wheel is connected with shaft by chain, the other end of effluent area is equipped with water outlet pipe, oxidation tank area, sedimentation area, the upper part of effluent area is capped by protective cover.The system is suitable for rural sewage treatment.

Description

Technical Field

[0001] The patent of this invention belongs to the field of drainage treatment technology, and specifically relates to a non-powered, high-efficiency denitrification biological carbon fiber sewage treatment system. Background Art

[0002] Wastewater from small towns and rural areas is characterized by small and uneven volumes, high water quality fluctuations, and significant seasonal variations. Currently, activated sludge technology is the primary method used to treat rural wastewater. However, this traditional activated sludge process has drawbacks such as large land area, high operating costs, low total nitrogen treatment efficiency, and susceptibility to variations in water quality and quantity. Summary of the Invention

[0003] In order to overcome the problems existing in traditional rural sewage treatment technologies such as large space occupation, high operating costs, and susceptibility to changes in water quality and quantity, the patent of this invention provides a sewage treatment system that occupies a small space, has reliable operation and low cost, has strong resistance to shock loads, and can achieve efficient biological denitrification.

[0004] The technical solution of the present invention is as follows: a non-powered high-efficiency denitrification biological carbon fiber sewage treatment system, comprising a flow regulating area, an oxidation tank area, a sedimentation area, and a water outlet area. One end of the flow regulating area is provided with a water inlet pipe, a float valve is installed inside the flow regulating area, the other end of the flow regulating area is connected to the oxidation tank area, a mud discharge pipe is provided at the lower part of one end of the oxidation tank area, a base plate is provided in the middle of the oxidation tank area, shaft seats are provided at both ends of the base plate, a rotating shaft is installed on the shaft seat, a disc frame is provided inside the oxidation tank area, and the disc frame The center of the body is fixed on the rotating shaft, strip-type carbon fiber fillers are arranged at intervals on the disc frame, and granular carbon fiber fillers are arranged on the lower part of the disc frame. A water distribution port is provided at the lower part of the other end of the oxidation trough area, and the sedimentation area is connected to the oxidation trough area through the water distribution port. One end of the water outlet area is connected to the sedimentation area by setting an overflow weir. A driving water wheel is installed in the water outlet area, and the driving water wheel is connected to the rotating shaft through a chain. A water outlet pipe is provided at the other end of the water outlet area, and the upper parts of the oxidation trough area, sedimentation area and water outlet area are capped by protective covers.

[0005] Furthermore, filler holes for fixing strip-shaped carbon fiber fillers are arranged at intervals of 100 to 300 mm on the bottom plates at both ends of the disc frame.

[0006] Furthermore, the strip-shaped carbon fiber filler and the particle-shaped carbon fiber filler are fibrous carbon materials with a fine graphite crystal structure.

[0007] Furthermore, the ratio of the strip-shaped carbon fiber filler to the granular carbon fiber filler is 2:1 to 5:1.

[0008] Furthermore, the disc frame rotates around the rotation axis, stirring the granular carbon fiber filler on the one hand and making the strip-shaped carbon fiber filler contact with air on the other hand.

[0009] The beneficial effects of the patent of this invention.

[0010] 1. This system is driven by a water wheel and does not require an external power supply. It is reliable and low-cost, easy to install, and simple to operate and maintain.

[0011] 2. This system can achieve simultaneous nitrification and denitrification through the aerobic microbial reaction on the strip-type carbon fiber filler and the anaerobic microbial reaction on the granular carbon fiber filler, thereby ensuring that the system can efficiently remove total nitrogen while occupying a small area.

[0012] 3. The sound waves emitted by the carbon fiber filler used in this system can attract microorganisms, promote the formation of biological algae fields, and are beneficial to the stability of the biological system.

[0013] The present invention is further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 This is a plan view of a non-powered, high-efficiency denitrification biological carbon fiber sewage treatment system disclosed in the patent of this invention.

[0015] Figure 2 This is a front view of a non-powered, high-efficiency denitrification biological carbon fiber sewage treatment system disclosed in the patent of this invention.

[0016] Figure 3 This is a side view of a non-powered, high-efficiency denitrification biological carbon fiber sewage treatment system disclosed in the patent of this invention.

[0017] Figure 4 This is a schematic diagram of the disc frame disclosed in the patent of this invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In the figure, 1. Protective cover, 2. Strip-type carbon fiber filler, 3. Disc frame, 4. Shaft seat, 5. Rotating shaft, 6. Base plate, 7. Driving water wheel, 8. Chain, 9. Outlet pipe, 10. Outlet area, 11. Oxidation tank area, 12. Mud discharge pipe, 13. Granular carbon fiber filler, 14. Inlet pipe, 15. Float valve, 16. Sedimentation area, 17. Water distribution port, 18. Overflow weir, 19. Filling hole, 20. Flow control area. DETAILED DESCRIPTION

[0019] exist Figures 1 to 4 In this invention, the patent provides the following technical solutions:

[0020] An unpowered high-efficiency denitrification biological carbon fiber sewage treatment system, comprising a flow regulating zone (20), an oxidation tank zone (11), a sedimentation zone (16), and a water outlet zone (10), the flow regulating zone (20) is provided with a water inlet pipe (14) at one end, a float valve (15) is installed inside the flow regulating zone (20), the other end of the flow regulating zone (20) is connected with the oxidation tank zone (11), the lower part of one end of the oxidation tank zone (11) is provided with a sludge discharge pipe (12), a base plate (6) is arranged in the middle of the oxidation tank zone (11), shaft seats (4) are arranged at both ends of the base plate (6), a rotating shaft (5) is installed on the shaft seats (4), a disc frame (3) is arranged inside the oxidation tank zone (11), the center of the disc frame (3) is fixed on the rotating shaft (5), strip-shaped carbon fiber fillers (2) are arranged at intervals in the disc frame (3), granular carbon fiber fillers (13) are arranged at the lower part of the disc frame (3), the lower part of the other end of the oxidation tank zone (11) is provided with a water distribution port (17), the sedimentation zone (16) is connected with the oxidation tank zone (11) through the water distribution port (17), one end of the water outlet zone (10) is connected with the sedimentation zone (16) by arranging an overflow weir (18), a drive water wheel (7) is installed in the water outlet zone (10), the drive water wheel (7) is connected with the rotating shaft (5) through a chain (8), the other end of the water outlet zone (10) is provided with a water outlet pipe (9), the upper parts of the oxidation tank zone (11), the sedimentation zone (16), and the water outlet zone (10) are capped by a protective cover (1).

[0021] The float valve (15) is a device for limiting the maximum water flow according to the water depth of the flow regulating zone (20).

[0022] The bottom plates at both ends of the disc frame (3) are arranged with filler holes (19) for fixing the strip-shaped carbon fiber fillers (2) at intervals of 100-300 mm.

[0023] The strip-shaped carbon fiber fillers (2) and the granular carbon fiber fillers (13) are fibrous carbon substances with micro-fine graphite crystal structure.

[0024] The specific gravity ratio of the strip-shaped carbon fiber fillers (2) and the granular carbon fiber fillers (13) is 3:1.

[0025] The disc frame (3) rotates around the rotating shaft (5), which stirs the granular carbon fiber fillers (13) on one hand and makes the strip-shaped carbon fiber fillers (2) contact with air on the other hand.

[0026] The working principle and use process of the present application: after the present application is installed, the sewage enters the oxidation tank area (11) after the flow is adjusted by the float valve (15), and the effluent after biological evolution in the oxidation tank area (11) and high-efficiency precipitation in the sedimentation area (16) drives the water wheel (7) to rotate, thereby driving the disc frame (3) to rotate, on the one hand, stirring the granular carbon fiber filler (13), and on the other hand, making the strip-shaped carbon fiber filler (2) contact with air, thereby realizing the removal of total nitrogen through the aerobic microbial reaction of the strip-shaped carbon fiber filler (2) and the anaerobic microbial reaction on the granular carbon fiber filler (13).

[0027] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A non-powered, high-efficiency denitrification bio-carbon fiber sewage treatment system, characterized by: The invention comprises a flow regulating area (20), an oxidation trough area (11), a sedimentation area (16), and a water outlet area (10), wherein one end of the flow regulating area (20) is provided with a water inlet pipe (14), a float valve (15) is installed inside the flow regulating area (20), the other end of the flow regulating area (20) is connected to the oxidation trough area (11), a mud discharge pipe (12) is provided at the lower part of one end of the oxidation trough area (11), a base plate (6) is provided in the middle of the oxidation trough area (11), shaft seats (4) are provided at both ends of the base plate (6), a rotating shaft (5) is installed on the shaft seat (4), a disc frame (3) is provided inside the oxidation trough area (11), the center of the disc frame (3) is fixed on the rotating shaft (5), and the disc frame ( 3) Strip-shaped carbon fiber fillers (2) are arranged at intervals, and granular carbon fiber fillers (13) are arranged at the lower part of the disc frame (3); a water distribution port (17) is provided at the lower part of the other end of the oxidation trough area (11); the sedimentation area (16) is connected to the oxidation trough area (11) through the water distribution port (17); one end of the water outlet area (10) is connected to the sedimentation area (16) by setting an overflow weir (18); a driving water wheel (7) is installed in the water outlet area (10); the driving water wheel (7) is connected to the rotating shaft (5) through a chain (8); a water outlet pipe (9) is provided at the other end of the water outlet area (10); and the upper parts of the oxidation trough area (11), the sedimentation area (16), and the water outlet area (10) are capped by a protective cover (1); The strip-shaped carbon fiber filler (2) and the granular carbon fiber filler (13) are fibrous carbon materials with a fine graphite crystal structure; The specific gravity ratio of the strip-shaped carbon fiber filler (2) to the granular carbon fiber filler (13) is 2:1 to 5:

1.

2. The unpowered, high-efficiency, denitrification bio-carbon fiber wastewater treatment system according to claim 1 is characterized by: The float valve (15) is a device for limiting the maximum water flow rate according to the water depth of the flow regulating area (20).

3. The unpowered, high-efficiency denitrification bio-carbon fiber wastewater treatment system according to claim 1 is characterized by: Filling holes (19) for fixing strip-shaped carbon fiber fillers (2) are arranged at intervals of 100 to 300 mm on the bottom plates at both ends of the disc frame (3).

4. The unpowered, high-efficiency, denitrification bio-carbon fiber wastewater treatment system according to claim 1 is characterized by: The disc frame (3) rotates around the rotating shaft (5), stirring the granular carbon fiber filler (13) on the one hand and allowing the strip-shaped carbon fiber filler (2) to come into contact with air on the other hand.

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