CN220951412U - Low-load biological fluidized bed wastewater treatment optimizing equipment - Google Patents
Low-load biological fluidized bed wastewater treatment optimizing equipment Download PDFInfo
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- CN220951412U CN220951412U CN202322786957.0U CN202322786957U CN220951412U CN 220951412 U CN220951412 U CN 220951412U CN 202322786957 U CN202322786957 U CN 202322786957U CN 220951412 U CN220951412 U CN 220951412U
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- fluidized bed
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- wastewater treatment
- biological fluidized
- tank
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 18
- 238000004880 explosion Methods 0.000 claims abstract description 11
- 238000005422 blasting Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 12
- 238000005273 aeration Methods 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 7
- 239000010802 sludge Substances 0.000 abstract description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 235000018290 Musa x paradisiaca Nutrition 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- 238000007667 floating Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 240000005561 Musa balbisiana Species 0.000 abstract 1
- 241000234295 Musa Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000000813 microbial effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses low-load biological fluidized bed wastewater treatment optimizing equipment, which comprises a wastewater tank, wherein the bottom of the wastewater tank is provided with an air explosion pipeline, a plurality of stirring machines are arranged in the wastewater tank, the stirring machines are symmetrically and oppositely arranged, the top end of the wastewater tank is provided with a water outlet pipeline, the connection part of the wastewater tank and the water outlet pipeline is provided with a grid, K suspended filler is filled in the wastewater tank, and the top end of the wastewater tank is provided with a lifting device; the banana type stirrer is additionally arranged, so that a reverse blowing pipe of an anti-accumulation system is not required to be installed, the material and installation cost are saved, the energy consumption is reduced by 5-10%, aeration or gas distribution is more uniform, the floating filler film forming time is shortened to 2-3 months, the dissolved oxygen content can be flexibly controlled, the activated sludge is not easy to excessively age, the sedimentation effect is good, and the effluent is stable and clear.
Description
Technical Field
The utility model relates to the technical field of biological fluidized beds, in particular to low-load biological fluidized bed wastewater treatment optimizing equipment.
Background
When the MBBR process is applied to industrial wastewater, particularly when the volume load is less than 0.6-1.0kgCODcr/m3.D (the filling rate of suspended filler is 20-45%), the following defects exist: ① Dissolved oxygen in the tank is not easy to control, DO reaches 5-7mg/l when the air supply is started to achieve uniform aeration, so that the active sludge in the tank is excessively aged, has a yellow-white color and a loose structure, the K3 suspended filler in the tank is not coated for a long time, the supernatant of the secondary sedimentation tank is more in finely divided sludge, the treatment effect is poor, and more energy waste can occur.
② The MBBR technology is mainly applied to a plug flow type aeration tank, activated sludge mixed liquor and suspended filler are pushed in a spiral mode under the action of aeration, flow through the whole aeration tank and flow out to the other end of the tank, along with the flow of water flow, the suspended filler is piled up at the water outlet end of the aeration tank, and a piling-up backflushing prevention system is usually designed at the middle part or the lower part of a screen, and is started during operation to reversely push the suspended filler to the water inlet end of the aeration tank. The continuous operation of the anti-accumulation backflushing system also consumes a great deal of energy consumption, and therefore, we propose a low-load biological fluidized bed wastewater treatment optimizing device for solving the problems.
Disclosure of utility model
The utility model aims to provide low-load biological fluidized bed wastewater treatment optimizing equipment so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low-load biological fluidized bed waste water treatment optimizing equipment, includes the waste water tank, waste water tank bottom is equipped with the gas explosion pipeline, be equipped with a plurality of mixers in the waste water tank, the mixer symmetry is settled relatively, waste water tank top is equipped with the water outlet pipeline, waste water tank with water outlet pipeline junction is equipped with the net.
Preferably, the waste water tank is filled with K suspended fillers.
Preferably, a lifting device is arranged at the top end of the wastewater tank.
Preferably, a water inlet pipeline is arranged on the other side of the top end of the wastewater tank.
Preferably, an air inlet pipe is arranged on the inner wall of one side of the wastewater tank, and the air inlet pipe is communicated with the blasting pipeline.
Preferably, the rotary head is provided with a plurality of air outlet holes, and the air outlet holes are communicated with the inside of the blasting pipeline.
Preferably, the explosion pipeline is formed by splicing a plurality of pipelines, adjacent pipelines are connected through connectors, the connectors are provided with cross plates, rotating parts are arranged in the cross plates, the rotating parts are rotationally connected with rotating shafts, the pipelines are rotationally connected with a plurality of rotating heads, one ends of the rotating heads are fixedly connected with first bevel gears, a plurality of second bevel gears are fixedly connected to the rotating shafts, and the first bevel gears are meshed with the second bevel gears.
Preferably, a third bevel gear is fixedly connected to the top end of one side of the rotating shaft, a gas wheel is installed in the gas inlet pipe, the gas wheel is connected with a fourth bevel gear, and the third bevel gear is meshed with the fourth bevel gear.
Compared with the prior art, the utility model has the beneficial effects that:
Because of adding the banana stirrer, a reverse blowing pipe of an anti-accumulation system is not required to be installed, the material and installation cost are saved, the energy consumption is reduced by 5-10%, aeration or gas distribution is more uniform, the floating filler film forming time is shortened to 2-3 months, the dissolved oxygen content can be flexibly controlled, the activated sludge is not easy to excessively age, the sedimentation effect is good, and the effluent is stable and clear.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the explosion tube of the present utility model;
FIG. 3 is a schematic view of a connector according to the present utility model;
in the figure:
1. A waste water tank; 2. a gas explosion pipeline; 3. a stirrer; 4. a lifting device; 5. a water outlet line; 6. a grid; 7. a water inlet line; 8. an air inlet pipe; 9. a connector; 91. a cross plate; 92. a rotating part; 93. a rotating shaft; 94. a rotating head.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
According to the low-load biological fluidized bed wastewater treatment optimizing equipment, the low-load biological fluidized bed wastewater treatment optimizing equipment comprises a wastewater tank 1, wherein a gas explosion pipeline 2 is arranged at the bottom of the wastewater tank 1, a plurality of stirring machines 3 are arranged in the wastewater tank 1, the stirring machines 3 are symmetrically and oppositely arranged, a water outlet pipeline 5 is arranged at the top end of the wastewater tank 1, a grid 6 is arranged at the connection part of the wastewater tank 1 and the water outlet pipeline 5, K3 suspended filler is filled in the wastewater tank 1, a lifting device 4 is arranged at the top end of the wastewater tank 1, a water inlet pipeline 7 is arranged at the other side of the top end of the wastewater tank 1, an air inlet pipe 8 is arranged on the inner wall of one side of the wastewater tank 1 and is communicated with the gas explosion pipeline 2, a plurality of air outlet holes are formed in the rotary head 94, the air outlet holes are communicated with the gas explosion pipeline 2, the gas explosion pipeline 2 is formed by splicing a plurality of pipelines, the adjacent pipelines are connected through connectors 9, a cross plate 91 is arranged in the connector, a rotating part 92 is arranged in the cross plate 91, the rotating part 92 is in the rotating part is connected with a rotating way, a pipeline is filled with K3 suspended filler, a lifting device 4 is arranged at the top end of the water inlet pipeline 1, a rotating part 93 is in the rotating way, a rotating bevel gear 93 is connected with a rotating bevel gear, a rotating head 94 is fixedly meshed with a rotating shaft 93, a rotating shaft is fixedly meshed with a bevel gear, a bevel gear is fixedly arranged at the top end of the rotating head 93, and is fixedly connected with a rotating shaft, and fixedly connected with a bevel gear, and fixedly arranged at the top end, and is meshed with a bevel gear, and fixedly rotate.
In particular, the volume load of the low-load biological fluidized bed is less than 0.6-1.0kgCODcr/m3.D.
Specifically, the stirrer 3 is a banana stirrer, the stirring power of the stirrer 3 is selected according to 8-16W/m < 3 > wastewater, and the stirring rotating speed is 60-100n/min.
Specifically, the filling rate of the K3 suspended filler filled in the wastewater tank 1 is 20-45%;
Specifically, microorganisms adhere to and grow on the surface of the K3 suspended filler to form a microbial film layer with a certain thickness, and the microbial film layer floats along with water flow in the wastewater tank 1 under the disturbance of the stirrer 3 and the aeration pipeline 2 to drive the adhered and grown biological flora to fully contact with pollutants and oxygen in a water body, so that the pollutants enter the biological film through adsorption and diffusion and are degraded by microorganisms.
Specifically, air will drive when passing through the gas wheel the fourth bevel gear rotates, by fourth bevel gear with third bevel gear, pivot 93 takes place to rotate, drives through bevel gear meshing rotatory head 94, like this through stirring machine 3 with under the rotatory head 94 disturbance K3 suspended filler in waste water tank 1 along with the rivers float.
Specifically, two mixer 3 are relative to set up, prevent like this that K3 suspended filler from hanging the inner wall, water outlet line 5 set up in waste water tank 1 top prevents like this that K3 suspended filler stacks water outlet line 5's entering end, net 6 can prevent that K3 suspended filler from entering into water outlet line 5.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A low-load biological fluidized bed wastewater treatment optimizing device is characterized in that: including waste water tank (1), waste water tank (1) bottom is equipped with and explodes gas pipeline (2), be equipped with a plurality of mixers (3) in waste water tank (1), mixer (3) symmetry are settled relatively, waste water tank (1) top is equipped with water outlet line (5), waste water tank (1) with water outlet line (5) junction is equipped with net (6).
2. The low-load biological fluidized bed wastewater treatment optimizing device according to claim 1, wherein: the waste water tank (1) is filled with K3 suspended filler.
3. The low-load biological fluidized bed wastewater treatment optimizing device according to claim 1, wherein: and a lifting device (4) is arranged at the top end of the wastewater tank (1).
4. The low-load biological fluidized bed wastewater treatment optimizing device according to claim 1, wherein: and a water inlet pipeline (7) is arranged on the other side of the top end of the wastewater tank (1).
5. The low-load biological fluidized bed wastewater treatment optimizing device according to claim 1, wherein: an air inlet pipe (8) is arranged on the inner wall of one side of the wastewater tank (1), and the air inlet pipe (8) is communicated with the explosion pipeline (2).
6. The low-load biological fluidized bed wastewater treatment optimizing apparatus according to claim 5, wherein: the explosion pipeline (2) is formed by splicing a plurality of pipelines, adjacent pipelines are connected through a connector (9), the connector (9) is provided with a cross plate (91), a rotating part (92) is arranged in the cross plate (91), the rotating part (92) is rotationally connected with a rotating shaft (93), the pipelines are rotationally connected with a plurality of rotating heads (94), one end of each rotating head (94) is fixedly connected with a first bevel gear, a plurality of second bevel gears are fixedly connected on the rotating shaft (93), and the first bevel gears are meshed with the second bevel gears.
7. The low-load biological fluidized bed wastewater treatment optimizing apparatus according to claim 6, wherein: the rotary head (94) is provided with a plurality of air outlet holes which are communicated with the inside of the blasting pipeline (2).
8. The low-load biological fluidized bed wastewater treatment optimizing apparatus according to claim 6, wherein: the top end of one side of the rotating shaft (93) is fixedly connected with a third bevel gear, a gas wheel is arranged in the gas inlet pipe (8), the gas wheel is connected with a fourth bevel gear, and the third bevel gear is meshed with the fourth bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322786957.0U CN220951412U (en) | 2023-10-18 | 2023-10-18 | Low-load biological fluidized bed wastewater treatment optimizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322786957.0U CN220951412U (en) | 2023-10-18 | 2023-10-18 | Low-load biological fluidized bed wastewater treatment optimizing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220951412U true CN220951412U (en) | 2024-05-14 |
Family
ID=91006724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322786957.0U Active CN220951412U (en) | 2023-10-18 | 2023-10-18 | Low-load biological fluidized bed wastewater treatment optimizing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220951412U (en) |
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2023
- 2023-10-18 CN CN202322786957.0U patent/CN220951412U/en active Active
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