Small sewage treatment equipment based on graphene modified filler

Abstract

The utility model relates to the technical field of sewage treatment, and discloses small sewage treatment equipment based on graphene modified filler, which comprises a water inlet area, an anoxic area, an aerobic area, a reflux area and a precipitation filtering area which are communicated in sequence. According to the small sewage treatment equipment based on the graphene modified filler, extremely-small bubbles are blown into the water bottom through an impeller of the submersible plug-flow aerator, circulating oxygenation is effectively achieved, the basic investment can be reduced, the oxygenation efficiency is high, the service life is long, noise is low, installation and maintenance are convenient, the space separated by the frame and the arc-shaped partition plate is used for sewage flowing, and the service life is long. A graphene filling layer is used for replacing traditional filler, graphene is high in specific surface area and mechanical strength, a chain is driven by a driving mechanism to rotate, the chain drives a rotating shaft to rotate, the rotating shaft drives a water baffle to rotate, the water baffle drives the graphene filling layer to rotate, the used graphene filling layer is moved out, and a new graphene filling layer is moved in; therefore, the graphene filler is convenient to disassemble and assemble, and the treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a small sewage treatment device based on graphene modified filler. Background Art

[0002] At present, sewage treatment technology mainly refers to various economic, reasonable, scientific and effective process methods for urban domestic sewage and industrial wastewater; sewage treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical care, catering, etc.; urban sewage treatment technology should be based on treatment scale, water quality characteristics, environmental functions of receiving water bodies and local actual conditions and requirements, and should be optimized after comprehensive technical and economic comparison.

[0003] According to the "Integrated sewage treatment equipment based on graphene filler and nano filter cloth filtration" disclosed by Chinese patent publication number CN216472728U, the problem that the existing integrated sewage treatment equipment usually occupies a large area and has low efficiency is pointed out. This patent adopts graphene filler instead of traditional filler. Graphene has a high specific surface area, large adsorption capacity and high mechanical strength. The impeller of the submersible flow aerator blows extremely small bubbles into the bottom of the water, effectively circulating and increasing oxygen, which can reduce basic investment and facilitate operation and management. It also has the characteristics of high oxygenation efficiency, large service range, long service life, low noise and easy installation and maintenance.

[0004] However, in actual operation, the graphene filler needs to be replaced regularly, and the processing equipment is not convenient for disassembling and assembling the graphene filler, which reduces the processing efficiency. Utility Model Content

[0005] In view of the deficiencies in the prior art, the purpose of the present utility model is to provide a small-scale sewage treatment equipment based on graphene modified filler, so as to solve the problem that the above-mentioned device proposed in the above-mentioned background technology is not convenient for disassembling and assembling the graphene filler, thereby reducing the treatment efficiency.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A small-scale sewage treatment equipment based on graphene modified filler comprises a water inlet area, an anoxic area, an aerobic area, a reflow area and a sedimentation and filtration area which are connected in sequence, wherein a filler device is arranged inside the aerobic area, and a dredging device is arranged at the upper end of the sedimentation and filtration area;

[0008] The filling device includes an arc-shaped partition, an exhaust pipe is passed through and fixedly connected to the middle of the arc-shaped partition, a submersible push flow aerator is fixedly connected to the lower end of the exhaust pipe, the outer end of the arc-shaped partition is fixedly connected to a frame, the middle parts of the four sides of the frame are rotatably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a water baffle, both ends of the water baffle are detachably connected to a graphene filling layer, a chain is provided at the upper end of the rotating shaft, a recovery area is provided at the outer end of the frame, and a reflux pipe is provided at the bottom end of the recovery area.

[0009] Preferably, the dredging device includes a bracket, both ends of the bracket are fixedly connected with electric push rods, the lower end of the electric push rod is fixedly connected with a connecting rod, the lower end of the connecting rod is rotatably connected with a sedimentation integrated pipe, the bottom of the sedimentation integrated pipe is slidably connected with a gasket, a rotating roller is provided at the connection between the sedimentation integrated pipe and the connecting rod, the inner top wall of the bracket is fixedly connected with a top plate, and the lower end of the top plate is fixedly connected with a plurality of ejector pins.

[0010] Preferably, a circulating three-dimensional mixer is provided inside the anoxic zone, a perforated water inlet guide tube is fixedly connected to the upper end of the circulating three-dimensional mixer, a reflux water pump is provided in the reflux zone, and a conduit is provided at the output end of the reflux water pump.

[0011] Preferably, both ends of the water baffle are fixedly connected to electric telescopic rods, and the other end of the electric telescopic rod is fixedly connected to a sealing plate.

[0012] Preferably, the output end of the reflux pipe extends to the bottom end of the water inlet area, and a door panel is hinged on the outer surface of the recovery area.

[0013] Preferably, the bracket is located at the upper end of the sedimentation and filtration zone, and the connecting rod is slidably connected to the bracket.

[0014] Preferably, the ejector pin is matched with the gasket, and the sedimentation integrated tube is provided with a protective shell on the outer surface of the rotating roller.

[0015] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0016] First, the impeller of the submersible aerator blows tiny bubbles into the water bottom to effectively circulate and increase oxygen, which can reduce basic investment, facilitate operation and management, and has the characteristics of high oxygenation efficiency, large service range, long service life, low noise, and easy installation and maintenance. The space separated by the frame and the arc partition is used for sewage flow, and the graphene filling layer is used to replace the traditional filler. The graphene has a high specific surface area, large adsorption capacity, and high mechanical strength. The chain is rotated by the driving mechanism, and the chain drives the shaft to rotate, the shaft drives the water baffle to rotate, and the water baffle drives the graphene filling layer to rotate, and the used graphene filling layer is removed and the new graphene filling layer is moved in, so as to facilitate the disassembly and assembly of the graphene filler and improve the treatment efficiency.

[0017] Second, sludge is precipitated and collected through the sedimentation integrated pipe. The electric push rod is started, and the electric push rod drives the sedimentation integrated pipe to rise through the connecting rod. The driving mechanism drives the rotating roller to rotate, so that the sedimentation integrated pipe is turned over. The electric push rod is started again to make the sedimentation integrated pipe continue to rise and approach the top plate. After the ejector pin of the top plate contacts the gasket, it pushes the gasket to squeeze the sedimentation integrated pipe to discharge the sludge, thereby achieving the effect of facilitating the sludge recovery efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic cross-sectional view of the structure of the utility model;

[0020] Figure 3 The utility model structure Figure 2 The enlarged schematic diagram of part A in the middle;

[0021] Figure 4 This is a three-dimensional schematic diagram of the structural shaft connection structure of the utility model;

[0022] Figure 5 The utility model structure Figure 2 Enlarged schematic diagram of part B in the middle.

[0023] Among them: 1. water inlet area; 2. anoxic area; 3. aerobic area; 4. reflux area; 5. sedimentation and filtration area; 30. filler device; 301. arc partition; 302. exhaust pipe; 303. submersible flow aerator; 304. frame; 305. rotating shaft; 306. water retaining plate; 307. graphene filling layer; 308. chain; 309. recovery area; 310. reflux pipe; 50. dredging device; 501. bracket; 502. electric push rod; 503. connecting rod; 504. sedimentation integrated pipe; 505. gasket; 506. rotating roller; 507. top plate; 508. ejector pin; 20. circulating three-dimensional mixer; 21. perforated water inlet guide tube; 40. reflux water pump; 41. conduit; 3060. electric telescopic rod; 3061. sealing plate. DETAILED DESCRIPTION

[0024] The specific implementation of the utility model will be further described in detail below with reference to the accompanying drawings.

[0025] See also Figure 1-5 A small-scale sewage treatment equipment based on graphene modified filler comprises an inlet area 1, an anoxic area 2, an aerobic area 3, a reflow area 4 and a sedimentation and filtration area 5 which are connected in sequence, a filler device 30 is provided inside the aerobic area 3, and a silt removal device 50 is provided at the upper end of the sedimentation and filtration area 5;

[0026] The filling device 30 includes an arc-shaped baffle 301, an exhaust pipe 302 passes through and is fixedly connected to the middle of the arc-shaped baffle 301, a submersible flow aerator 303 is fixedly connected to the lower end of the exhaust pipe 302, the outer end of the arc-shaped baffle 301 is fixedly connected to a frame 304, the middle parts of the four sides of the frame 304 are rotatably connected to a rotating shaft 305, the outer surface of the rotating shaft 305 is fixedly connected to a water retaining plate 306, both ends of the water retaining plate 306 are detachably connected to a graphene filling layer 307, a chain 308 is provided at the upper end of the rotating shaft 305, a recovery area 309 is provided at the outer end of the frame 304, and a reflux pipe 310 is provided at the bottom of the recovery area 309.

[0027] Through the above technical scheme, the impeller of the submersible flow aerator 303 blows extremely small bubbles into the water bottom, effectively circulates and increases oxygen, can reduce basic investment, and is convenient for operation and management. It has the characteristics of high oxygenation efficiency, large service range, long service life, low noise, and convenient installation and maintenance. The space separated by the frame 304 and the arc partition 301 is used for sewage flow. The graphene filling layer 307 is used to replace the traditional filler. The graphene has a high specific surface area, a large adsorption capacity, and a high mechanical strength. The chain 308 is rotated by the driving mechanism, and the chain 308 drives the rotating shaft 305 to rotate. The rotating shaft 305 drives the water retaining plate 306 to rotate, and the water retaining plate 306 drives the graphene filling layer 307 to rotate, and the used graphene filling layer 307 is moved out and a new graphene filling layer 307 is moved in, so as to facilitate the disassembly and assembly of the graphene filler and improve the treatment efficiency.

[0028] Specifically, the dredging device 50 includes a bracket 501, both ends of which are fixedly connected to electric push rods 502, the lower end of the electric push rod 502 is fixedly connected to a connecting rod 503, the lower end of the connecting rod 503 is rotatably connected to a sedimentation integrated pipe 504, the bottom of the sedimentation integrated pipe 504 is slidably connected to a gasket 505, a rotating roller 506 is provided at the connection between the sedimentation integrated pipe 504 and the connecting rod 503, the inner top wall of the bracket 501 is fixedly connected to a top plate 507, and the lower end of the top plate 507 is fixedly connected to a plurality of ejector pins 508.

[0029] Through the above technical scheme, sludge is precipitated and collected through the sedimentation integrated pipe 504, the electric push rod 502 is started, and the electric push rod 502 drives the sedimentation integrated pipe 504 to rise through the connecting rod 503, and the rotating roller 506 is driven to rotate through the driving mechanism to flip the sedimentation integrated pipe 504, and the electric push rod 502 is continued to be started to make the sedimentation integrated pipe 504 continue to rise and approach the top plate 507. After the ejector pin 508 of the top plate 507 contacts the gasket 505, it pushes the gasket 505 to squeeze the sedimentation integrated pipe 504 to discharge the sludge, thereby achieving the effect of facilitating the improvement of sludge recovery efficiency.

[0030] Specifically, a circulating three-dimensional mixer 20 is provided inside the anoxic zone 2, and a perforated water inlet guide tube 21 is fixedly connected to the upper end of the circulating three-dimensional mixer 20. A reflux water pump 40 is provided in the reflux zone 4, and a conduit 41 is provided at the output end of the reflux water pump 40.

[0031] Through the above technical solution, the functions of the circulating three-dimensional mixer 20 and the reflux water pump 40 belong to the existing technology and will not be elaborated here.

[0032] Specifically, both ends of the water baffle plate 306 are fixedly connected to the inside with an electric telescopic rod 3060 , and the other end of the electric telescopic rod 3060 is fixedly connected to a sealing plate 3061 .

[0033] Through the above technical solution, by starting the electric telescopic rod 3060, the electric telescopic rod 3060 pushes the sealing plate 3061 to be inserted into the frame 304, thereby enhancing the sealing effect.

[0034] Specifically, the output end of the return pipe 310 extends to the bottom end of the water inlet area 1, and a door panel is hinged on the outer surface of the recovery area 309.

[0035] Through the above technical solution, the reflux pipe 310 is used to reflux the sewage leaked when the graphene filling layer 307 is moved, thereby improving the treatment quality. By setting a door panel, it is convenient to replace the graphene filling layer 307.

[0036] Specifically, the support 501 is located at the upper end of the sedimentation and filtration area 5 , and the connecting rod 503 is slidably connected to the support 501 .

[0037] Through the above technical solution, the bracket 501 limits the connecting rod 503 .

[0038] Specifically, the ejector pin 508 is matched with the gasket 505 , and a protective shell is provided on the outer surface of the sedimentation integrated tube 504 located on the rotating roller 506 .

[0039] Through the above technical solution, the ejector pin 508 pushes the gasket 505 to facilitate sewage discharge, and the protective shell is set as a triangular structure to facilitate sludge sedimentation.

[0040] Working principle: The impeller of the submersible flow aerator 303 blows extremely tiny bubbles into the water bottom, effectively circulating and increasing oxygen, which can reduce basic investment, facilitate operation and management, and has the characteristics of high oxygenation efficiency, large service range, long service life, low noise, and convenient installation and maintenance. The space between the frame 304 and the arc partition 301 is used for sewage flow, and the graphene filling layer 307 is used to replace the traditional filler. The graphene has a high specific surface area, a large adsorption capacity, and a high mechanical strength. The chain 308 is rotated by the driving mechanism, and the chain 308 drives the rotating shaft 305 to rotate, and the rotating shaft 305 drives the water retaining plate 306 to rotate, and the water retaining plate 306 drives the graphene filling layer 307 to rotate, and the used graphene filling layer 307 is removed and the new graphene filling layer 307 is moved in, so as to facilitate the disassembly and assembly of the graphene filler and improve the treatment efficiency.

[0041] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A small-scale sewage treatment equipment based on graphene modified filler, comprising a water inlet area (1), an anoxic area (2), an aerobic area (3), a recirculation area (4) and a sedimentation and filtration area (5) connected in sequence, characterized in that: A packing device (30) is provided inside the aerobic zone (3), and a silting device (50) is provided at the upper end of the sedimentation and filtration zone (5); The packing device (30) comprises an arc-shaped baffle (301), an exhaust pipe (302) passes through and is fixedly connected to the middle of the arc-shaped baffle (301), a submersible flow aerator (303) is fixedly connected to the lower end of the exhaust pipe (302), the outer end of the arc-shaped baffle (301) is fixedly connected to a frame (304), the middle of the four sides of the frame (304) are rotatably connected to a rotating shaft (305), the outer surface of the rotating shaft (305) is fixedly connected to a water retaining plate (306), both ends of the water retaining plate (306) are detachably connected to a graphene filling layer (307), a chain (308) is provided at the upper end of the rotating shaft (305), a recovery area (309) is provided at the outer end of the frame (304), and a return pipe (310) is provided at the bottom end of the recovery area (309).

2. A small-scale sewage treatment equipment based on graphene modified filler according to claim 1, characterized in that: The dredging device (50) comprises a bracket (501), both ends of the bracket (501) are fixedly connected to electric push rods (502), the lower end of the electric push rod (502) is fixedly connected to a connecting rod (503), the lower end of the connecting rod (503) is rotatably connected to a sedimentation integrated pipe (504), the bottom of the sedimentation integrated pipe (504) is slidably connected to a gasket (505), a rotating roller (506) is provided at the connection between the sedimentation integrated pipe (504) and the connecting rod (503), the inner top wall of the bracket (501) is fixedly connected to a top plate (507), and the lower end of the top plate (507) is fixedly connected to a plurality of ejector pins (508).

3. A small-scale sewage treatment equipment based on graphene modified filler according to claim 1, characterized in that: A circulating three-dimensional mixer (20) is provided inside the anoxic zone (2), and a perforated water inlet guide tube (21) is fixedly connected to the upper end of the circulating three-dimensional mixer (20). A reflux water pump (40) is provided in the reflux zone (4), and a conduit (41) is provided at the output end of the reflux water pump (40).

4. A small-scale sewage treatment equipment based on graphene modified filler according to claim 1, characterized in that: Both ends of the water baffle plate (306) are fixedly connected to an electric telescopic rod (3060), and the other end of the electric telescopic rod (3060) is fixedly connected to a sealing plate (3061).

5. A small-scale sewage treatment equipment based on graphene modified filler according to claim 1, characterized in that: The output end of the return pipe (310) extends to the bottom end of the water inlet area (1), and a door panel is hinged on the outer surface of the recovery area (309).

6. A small-scale sewage treatment equipment based on graphene modified filler according to claim 2, characterized in that: The support (501) is located at the upper end of the sedimentation and filtration area (5), and the connecting rod (503) is slidably connected to the support (501).

7. A small-scale sewage treatment equipment based on graphene modified filler according to claim 2, characterized in that: The ejector pin (508) is matched with the gasket (505), and a protective shell is provided on the outer surface of the precipitation integrated tube (504) located on the rotating roller (506).

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