Whole-habitat adjustable biological nest sewage treatment device

Abstract

A whole-habitat adjustable biological nest sewage treatment device is characterized in that a water inlet pipe and an aeration pipe are respectively arranged at the lower part of a pool body, a guide cylinder is arranged above the aeration pipe, a plurality of groups of upright posts are arranged on the periphery of the guide cylinder, and a plurality of metal wires connected with a hand-cranking mechanism are arranged at the upper part of the guide cylinder; the hand-cranking mechanism is located in the middle space of the stand columns and connected with the stand columns. A plurality of groups of fillers are longitudinally connected between the upper inner-ring circular bracket and the bottom inner-ring circular bracket and between the upper outer-ring circular bracket and the bottom outer-ring circular bracket of the tank body respectively; a support used for fixing the three-rod stirring paddle is arranged on the upper inner ring circular support, and a motor used for driving the three-rod stirring paddle is located above the stirring paddle support. According to the utility model, standardized production is realized, the structure is simplified, the manufacturing cost is reduced, and the device is applicable to treatment of different types of sewage; and the operation environment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of water pollution treatment, water pollution control device especially relates to a full habitat adjustable biological nest sewage treatment device. BACKGROUND

[0002] At present, the sewage treatment facilities of towns have basically met the demand. With the needs of new rural construction, the sewage treatment facilities and services of towns begin to transfer to the countryside. These facilities basically adopt the anoxic-aerobic (A / O) process, anaerobic-anoxic-aerobic (A2O) process, or higher A2O+MBR (membrane bioreactor) process. These facilities generally have the phenomenon of "basking in the sun" in the actual operation process, and the specific reasons are: (1) lack of sufficient financial support, resulting in failure to operate normally after completion; (2) lack of professional personnel to solve technical problems in the operation process. For the village and town sewage treatment with a drainage scale of less than 100 m 3 / d, using integrated equipment is a choice to solve the above problems. This is because integrated equipment has the advantages of high treatment efficiency, small land occupation, simple installation, convenient management, etc., but at the same time, it also has the disadvantages of high initial investment, limited selection of technology and process, poor scalability (additional installation of new equipment is needed when the treatment demand increases), high energy consumption, and high requirements for environmental conditions. SUMMARY

[0003] The utility model provides a full habitat adjustable biological nest sewage treatment device, realized standardization production, simplified structure reduces manufacturing cost simultaneously, can be applicable to the treatment of different type sewage, improved operation environment.

[0004] A full habitat adjustable biological nest sewage treatment device, including pool body, the lower part of pool body is provided with water inlet pipe, aeration pipe respectively, the upper portion of aeration pipe is provided with flow guide cylinder, the outer periphery of flow guide cylinder is provided with several groups of stand column, the upper portion of flow guide cylinder is provided with several metal wires connected with hand crank mechanism, hand crank mechanism is located in the middle space of several groups of stand column and is connected with stand column;The upper portion, lower portion of pool body is provided with upper portion inner ring circular support, upper portion outer ring circular support, bottom inner ring circular support, bottom outer ring circular support respectively;Upper portion inner ring circular support, bottom inner ring circular support and upper portion outer ring circular support, bottom outer ring circular support are connected with several groups of filler respectively longitudinally;The support for fixing three rod stirring paddle is set up on upper portion inner ring circular support, and the motor for driving three rod stirring paddle is located above the stirring paddle support.

[0005] Preferably, the aeration pipe of the utility model is located in the middle and lower part of the pool body, and the aeration pipe is connected with the aeration pump and the flow meter respectively.

[0006] Preferably, the upper inner circle support of the utility model is connected with the upper end of the column; the inner wall of the pool body is provided with a metal beam for fixing the upper outer circle support.

[0007] Preferably, the pool body of the utility model is provided with a plurality of table bodies connected with the bottom inner circle support and the bottom outer circle support.

[0008] Preferably, the filler bundle of the utility model is composed of a plurality of filler units, and each filler unit is twisted by a modified basalt fiber and a double corrosion-resistant metal wire.

[0009] Preferably, the two ends of each filler bundle are connected with the upper inner circle support, the upper outer circle support, the bottom inner circle support and the bottom outer circle support through hooks.

[0010] Preferably, the connecting line on each filler bundle of the utility model is twisted by a modified basalt fiber with a length of 15 cm and a corrosion-resistant metal wire.

[0011] Preferably, the inner wall equipment of the upper part of the pool body of the utility model has a triangular weir.

[0012] Preferably, the pool body of the utility model is supported by three metal bases.

[0013] The utility model adopts the above technical scheme, and has the following advantages compared with the prior art.

[0014] 1、The aerator and the stirrer of the utility model are organically combined, so that the physiological environment with different dissolved oxygen concentrations in the pool body can be maintained, and anaerobic, micro-aerobic and aerobic treatment of sewage can be realized.

[0015] 2、The utility model is based on the "minimum resistance principle" in fluid mechanics, and the water droplet-shaped stirrer is adopted to realize minimum operation energy consumption.

[0016] 3、When the utility model is operated in an aerobic environment, the height of the flow guide cylinder can be adjusted according to different aeration intensities and aeration amounts, so that the upward circulating flow can not impact the upper biological nest.

[0017] 4、The utility model can expand the number of filler bundles and the number of stirrers in the radial direction according to different daily treatment capacities.

[0018] 5、The bottom end of each filler bundle of the utility model is provided with a spring hook, so that the installation and disassembly of the filler bundle are facilitated.

[0019] 6、The utility model does not need to customize new equipment according to the type of sewage, and the equipment can treat different types of sewage / waste water, so that standardized production of the equipment is easy to realize; the equipment can be accurately controlled in time during operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the utility model.

[0021] Figure 2 is Figure 1 a plan view.

[0022] Figure 3 is a longitudinal sectional view of the utility model. DETAILED DESCRIPTION

[0023] The specific structure of the utility model will be described in detail below with reference to the drawings:

[0024] As Figure 1 , Figure 2 , Figure 3 indicated, a full habitat adjustable biological nest sewage treatment device, including pool body, the lower part of pool body is provided with water inlet pipe 1, aeration pipe 2 respectively, the upper portion of aeration pipe 2 is provided with flow guide cylinder 3, the outer periphery of flow guide cylinder 3 is provided with several groups of stand column 15, the upper portion of flow guide cylinder 3 is provided with several metal wires 17 connected with hand-operated mechanism, and the hand-operated mechanism is located in the middle space of several groups of stand column 15 and is connected with stand column;The upper portion and lower portion of the inner wall of pool body are provided with upper inner ring circular support 9, upper outer ring circular support 10, bottom inner ring circular support 11 and bottom outer ring circular support 12 respectively;Several groups of filler bundles are longitudinally connected between upper inner ring circular support 9, bottom inner ring circular support 11 and upper outer ring circular support 10, bottom outer ring circular support 12 respectively;The upper portion of upper inner ring circular support 9 is provided with support for fixing three-pole stirring paddle 6, and motor 5 for driving three-pole stirring paddle 6 is located above the support.

[0025] As Figure 1 indicated, the aeration pipe 2 of the utility model is located in the middle and lower portion of the pool body, and the aeration pipe 2 is connected with an aeration pump and a flow meter respectively.

[0026] As Figure 1 indicated, the upper inner ring circular support 9 of the utility model is connected with the upper end of stand column 15;The inner wall of pool body is provided with metal crossbeam 18 for fixing upper outer ring circular support 10.

[0027] As Figure 1 indicated, the pool body of the utility model is provided with several table bodies 14 connected with bottom inner ring circular support 11 and bottom outer ring circular support 12.

[0028] As Figure 1 indicated, the two ends of filler 4 of the utility model are connected with upper inner ring circular support 9, upper outer ring circular support 10, bottom inner ring circular support 11 and bottom outer ring circular support 12 through hook 13 respectively.

[0029] The filler bundle 8 is composed of a plurality of filler units 4, and each filler bundle 8 is formed by twisting and winding a modified basalt fiber filament about 15 cm long with double corrosion-resistant metal wires.

[0030] The connecting wire on each filler bundle 8 is formed by twisting and winding a modified basalt fiber filament about 15 cm long with corrosion-resistant metal wires.

[0031] As shown in the figure, Figure 1 The inner wall equipment of the upper part of the pool body has a triangular weir 7.

[0032] As shown in the figure, Figure 1 The pool body is supported by three metal bases 19.

[0033] The full-habitat adjustable biological nest sewage treatment device of the utility model, since modified basalt fiber is used as filler, high-efficiency denitrification and carbon removal are realized by means of the rich spherical microbial aggregates, i.e. biological nests, and the device can replace A / O process. The specific working principle is as follows: sewage first enters the pool body from the water inlet pipe 1; when the sewage treatment is carried out under aerobic or micro-aerobic conditions, the aeration pump is opened, the flow meter is adjusted, and oxygen is supplied to the pool body through the aeration pipe 2; the aeration pipe has the functions of gas supply and gas-water mixing; the flow guide cylinder 3 is hung above the aeration pipe; the height of the flow guide cylinder 3 is adjusted according to the aeration intensity by means of a hand crank device (the handle is not shown in the figure) to avoid the impact of the upward water flow on the filler 4 or the mature biological nests in the later stage; the flow guide cylinder 3 is hung on the disc by three metal wires 17; after the water flow surges, it flows downward along the pool wall to form a circular flow field, and the sufficient circular flow ensures that the gas and water are fully mixed, so that the dissolved oxygen and pollutants in the sewage body enter the biological nest, and the metabolic products diffuse from the biological nest to the sewage body; in order to accurately control the concentration of dissolved oxygen in the pool body, three stirring paddles 6 are installed in the device, which can be variable-speed stirred under the drive of the motor 5; after the sewage is denitrified and carbon removed by the biological nest, it overflows the triangular weir 7; when the sewage treatment is carried out under anaerobic conditions, the aeration device is stopped, and the mass transfer in the pool body is completed by the stirring paddle. Among them, the upper end of the filler bundle 8 is connected with the hooks 13 on the upper inner circle circular support 9 and the outer circle circular support 10, and the lower end is connected with the hooks on the bottom inner circle circular support 11 and the outer circle circular support 12, and the bottom end of the filler bundle has a spring structure, which is convenient for the installation and replacement of the filler; four table bodies 14 are welded together with the bottom outer circle support, and the other four table bodies 14 are welded together with the bottom inner circle support, and the table bodies play a role in fixing the lower support; four vertical columns 15 are welded on the bottom inner circle table body, and the upper end of the vertical column is fixed with the annular disc 16 through bolts; the upper inner circle support is welded together with the outer edge of the disc; and the upper outer circle support is welded on the metal cross beams 18 distributed on the pool wall. The entire pool body is supported by three metal bases.

[0034] The reaction device similar to the structure of the utility model in the prior art is a roller type membrane aeration biological nest reaction device for synchronous denitrification and decarbonization, application number: 202310974802.1.

[0035] The commonalities between the device designed by the utility model and the device are: 1) both devices use modified basalt fibers as fillers; 2) the purpose of using modified basalt fiber fillers is to enrich a large amount of biomass; 3) the fillers used are fixed by circular supports and rotate under the drive of a motor, ensuring that the mass transfer of the biological nests formed is not affected.

[0036] The differences between the device designed by the utility model and the device are: 1) the structures of the fillers are different, the filler of the device is a bunch of modified basalt fiber filaments with a length of about 15 centimeters twisted and wound by corrosion-resistant metal wires, and several filler units are arranged in a string, while the filler used by the device is to plant modified basalt fiber filaments with a length of about 7 centimeters on a nylon tube with holes; (2) the aeration methods are different, the aerator used by the device is located in the middle and lower parts and has a gas-water mixing and stirring function, can form a countercurrent in the device and provide dissolved oxygen, while the device provides dissolved oxygen to the microbial aggregates formed on the fillers through the hollow fiber bundles in the nylon tube through the holes on the nylon tube.

[0037] The full-habitat adjustable biological nest sewage treatment device of the utility model does not need to customize new equipment according to the type of sewage, can treat different types of sewage / waste water, and is easy to realize standardized production of equipment; the equipment can be accurately controlled in time during operation.

Claims

1. A full habitat adjustable bio-nest sewage treatment device, characterized in that The utility model discloses a pool body, and the lower part of pool body is provided with water inlet pipe (1) and aeration pipe (2) respectively, the upper part of aeration pipe (2) is provided with flow guide cylinder (3), the outer periphery of flow guide cylinder (3) is provided with a plurality of groups of stand column (15), the upper part of flow guide cylinder (3) is provided with a plurality of metal wires (17) connected with hand shaking mechanism, and hand shaking mechanism is located in the middle space of a plurality of groups of stand column (15) and is connected with stand column.

2. The full habitat adjustable bio-nest sewage treatment device according to claim 1, characterized in that The upper part and the lower part of the pool body are respectively provided with upper inner ring circular support (9), upper outer ring circular support (10), bottom inner ring circular support (11) and bottom outer ring circular support (12).

3. The full habitat adjustable bio-nest sewage treatment device according to claim 1, characterized in that The upper inner ring circular support (9) is provided with a support for fixing three-pole stirring paddle (6), and the motor (5) for driving three-pole stirring paddle (6) is located above the support.

4. The full habitat adjustable bio-nest sewage treatment device according to claim 1, wherein The aeration pipe (2) is located in the middle and lower part of the pool body, and the aeration pipe (2) is connected with an aeration pump and a flow meter respectively.

5. The full habitat adjustable bio-nest sewage treatment device according to claim 1, wherein The upper end of the stand column (15) is connected with the upper inner ring circular support (9).

6. The full habitat adjustable bio-nest sewage treatment device according to claim 1, wherein The inner wall of the pool body is provided with a metal cross beam (18) for fixing the upper outer ring circular support (10).

7. The full habitat adjustable bio-nest sewage treatment device according to claim 3, wherein The pool body is provided with a plurality of table bodies (14) connected with the bottom inner ring circular support (11) and the bottom outer ring circular support (12).

8. The full habitat adjustable bio-nest sewage treatment device according to claim 1, wherein A plurality of filler bundles (8) are composed of fillers (4).

9. The full habitat adjustable bio-nest sewage treatment device according to claim 1, wherein The two ends of each filler bundle (8) are connected with the upper inner ring circular support (9), the upper outer ring circular support (10), the bottom inner ring circular support (11) and the bottom outer ring circular support (12) through hooks (13) respectively. The connecting line on each filler bundle is a modified basalt fiber filament with a length of 15 cm twisted by corrosion-resistant metal wires. The inner wall of the upper part of the pool body is provided with a triangular weir (7). The pool body is supported by three metal bases (19).

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