CN216191386U - Low-energy-consumption up-flow type two-stage denitrification device - Google Patents
Low-energy-consumption up-flow type two-stage denitrification device Download PDFInfo
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- CN216191386U CN216191386U CN202120625658.7U CN202120625658U CN216191386U CN 216191386 U CN216191386 U CN 216191386U CN 202120625658 U CN202120625658 U CN 202120625658U CN 216191386 U CN216191386 U CN 216191386U
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Abstract
The utility model discloses a low-energy-consumption up-flow two-stage denitrification device, which comprises a structural main body, wherein the structural main body comprises an aerobic tank and a facultative tank, the aerobic tank comprises a primary aerobic tank and a secondary aerobic tank, the facultative tank comprises a primary facultative tank and a secondary facultative tank, the primary aerobic tank and the primary facultative tank are vertically distributed, the secondary aerobic tank and the secondary facultative tank are vertically distributed, sewage flows into the primary facultative tank from a first water inlet and flows out from a first water outlet of the primary aerobic tank, upward water flow in the process has a stirring effect on the primary facultative tank, meanwhile, the aeration effect of the primary aerobic tank can form a turbulent flow in the whole reactor and drive the interior of the primary facultative tank to carry out up-and-down mixing exchange, under the action of the water flow and the air flow, the interior of the primary facultative tank can obtain a better mixing effect, on one hand, the up-flow type arrangement can effectively save floor area, on the other hand, a stirrer is not needed, the energy consumption of system operation is reduced.
Description
Technical Field
The utility model relates to the technical field of denitrification devices, in particular to a low-energy-consumption up-flow two-stage denitrification device.
Background
The two-stage AO process is a commonly used denitrification and dephosphorization process, belong to one kind of denitrification advanced process, wherein A section is the facultative section, O section is the aerobic section, the denitrifying bacteria in the facultative section are the energy heterotrophic bacteria, the main function is to utilize organic matter to convert nitrate nitrogen and nitrite nitrogen in the aerobic tank reflux nitrification liquid into nitrogen and release out, the nitrifying bacteria in the aerobic section are the energy autoxidation bacteria, its main function is to oxidize the ammonia nitrogen in the sewage into nitrate nitrogen and nitrite nitrogen, the pollutant is got and is removed through two-stage AO-two sections nitrification and denitrification, the traditional two-stage AO process adopts the horizontal plug flow form, the facultative tank needs to be equipped with the agitator to realize the liquid mixes, the energy consumption of operation is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a low-energy-consumption up-flow two-stage denitrification device.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a low-energy-consumption up-flow two-stage denitrification device comprises a structure main body, wherein the structure main body comprises an aerobic tank and a facultative tank, the aerobic tank comprises a first-stage aerobic tank and a second-stage aerobic tank, the facultative tank comprises a first-stage facultative tank and a second-stage facultative tank, the first-stage aerobic tank and the first-stage facultative tank are vertically distributed, and the second-stage aerobic tank and the second-stage facultative tank are vertically distributed;
the first-stage facultative tank is connected with the first-stage aerobic tank, the first-stage aerobic tank is connected with the second-stage facultative tank, and the second-stage aerobic tank is connected with the first-stage facultative tank.
Preferably, the first-stage facultative tank is provided with a first water inlet, the first-stage aerobic tank is provided with a first water outlet, the second-stage facultative tank is provided with a second water inlet, the second-stage aerobic tank is provided with a second water outlet, a water inlet pipe is arranged between the first water inlet and the second water outlet, and a water outlet pipe is arranged between the first water outlet and the second water inlet.
Preferably, one side of the water inlet pipe is connected with a sewage inlet pipe.
Preferably, the first-stage aerobic tank is arranged above the first-stage facultative tank, and the second-stage aerobic tank is arranged above the second-stage facultative tank.
Preferably, a first-stage facultative tank for converting and reducing nitrate nitrogen and nitrite nitrogen in the aerobic tank is arranged in the first-stage facultative tank, a first-stage aerobic zone for oxidizing ammonia nitrogen in sewage into nitrate nitrogen and nitrite nitrogen is arranged in the first-stage aerobic tank, a second-stage facultative tank is arranged in the second-stage facultative tank, and a second-stage aerobic zone is arranged in the second-stage aerobic tank.
Compared with the prior art, the utility model has the beneficial effects that:
aerobic pond of one-level and one-level facultative tank and the aerobic pond of second grade and second grade facultative tank of up-flow type through setting up the up-flow formula, sewage flows into one-level facultative tank from first water inlet, and flow from the first delivery port in one-level aerobic tank, ascending rivers produce the stirring effect to one-level facultative tank in this in-process, the aerobic pond aeration of one-level can make whole reactor form a torrent simultaneously, and drive the inside upper and lower mixed exchange that carries out in one-level facultative tank, under the effect of rivers and air current, the inside better mixed effect that obtains in one-level facultative tank, area can effectively be saved in the up-flow type setting on the one hand, on the other hand need not to set up the agitator again, the energy consumption of system operation has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow chart of the present invention.
Reference numbers in the figures:
the aerobic pool of the first order 1, the facultative pond of the first order 2, the aerobic pool of the second order 3, the facultative pond of the second order 4, the aerobic district of the first order 5, the facultative district of the first order 6, the aerobic district of the second order 7, the facultative district of the second order 8, the first water inlet 9, the second water inlet 10, the first delivery port 11, the second delivery port 12, the outlet pipe 13, the inlet tube 14, the sewage inlet tube 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, the present invention provides a low energy consumption up-flow two-stage denitrification apparatus, which comprises a main structure body, wherein the main structure body comprises an aerobic tank and a facultative tank, the aerobic tank comprises a primary aerobic tank 1 and a secondary aerobic tank 3, the facultative tank comprises a primary facultative tank 2 and a secondary facultative tank 4, the primary aerobic tank 1 and the primary facultative tank 2 are vertically distributed, and the secondary aerobic tank 3 and the secondary facultative tank 4 are vertically distributed;
the primary facultative tank 2 is connected with the primary aerobic tank 1, the primary aerobic tank 1 is connected with the secondary facultative tank 4, and the secondary aerobic tank 2 is connected with the primary facultative tank 4.
The one-level facultative tank 2 is provided with a first water inlet 9, the one-level aerobic tank 1 is provided with a first water outlet 11, the second-level facultative tank 4 is provided with a second water inlet 10, the second-level aerobic tank 3 is provided with a second water outlet 12, a water inlet pipe 14 is arranged between the first water inlet 9 and the second water outlet 12, and a water outlet pipe 13 is arranged between the first water outlet 11 and the second water inlet 10.
One side of the water inlet pipe 14 is connected with a sewage inlet pipe 15.
The first-stage aerobic tank 1 is arranged above the first-stage facultative tank 2, and the second-stage aerobic tank 3 is arranged above the second-stage facultative tank 4.
A first-stage facultative tank 6 for converting and reducing nitrate nitrogen and nitrite nitrogen in the aerobic tank is arranged in the first-stage facultative tank 2, a first-stage aerobic zone 5 for oxidizing ammonia nitrogen in sewage into nitrate nitrogen and nitrite nitrogen is arranged in the first-stage aerobic tank 1, a second-stage facultative tank 8 is arranged in the second-stage facultative tank 4, and a second-stage aerobic zone 7 is arranged in the second-stage aerobic tank 3.
Through setting up the aerobic pond of STREAMING one-level 1 and one-level facultative tank 2 and the aerobic pond of STREAMING second grade 3 and second grade facultative tank 4, sewage flows into one-level facultative tank 2 from first water inlet 9, and flow out from the first delivery port 11 of the aerobic pond of one-level 1, ascending rivers produce the stirring effect to one-level facultative tank 2 in this process, the aeration effect of the aerobic pond of one-level 1 can make and form a torrent in the whole reactor simultaneously, and drive the inside upper and lower mixed exchange that carries out of one-level facultative tank 2, under the effect of rivers and air current, the inside better mixed effect that obtains of one-level facultative tank 2, area can effectively be saved in the upstream setting on the one hand, on the other hand need not to set up the agitator again, the energy consumption of system operation has been reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The low-energy-consumption up-flow two-stage denitrification device is characterized by comprising a structure main body, wherein the structure main body comprises an aerobic tank and a facultative tank, the aerobic tank comprises a primary aerobic tank and a secondary aerobic tank, the facultative tank comprises a primary facultative tank and a secondary facultative tank, the primary aerobic tank and the primary facultative tank are vertically distributed, and the secondary aerobic tank and the secondary facultative tank are vertically distributed;
the first-stage facultative tank is connected with the first-stage aerobic tank, the first-stage aerobic tank is connected with the second-stage facultative tank, and the second-stage aerobic tank is connected with the first-stage facultative tank.
2. The low energy consumption up-flow two-stage denitrification device according to claim 1, wherein the first stage facultative tank is provided with a first water inlet, the first stage aerobic tank is provided with a first water outlet, the second stage facultative tank is provided with a second water inlet, the second stage aerobic tank is provided with a second water outlet, a water inlet pipe is arranged between the first water inlet and the second water outlet, and a water outlet pipe is arranged between the first water outlet and the second water inlet.
3. The low energy consumption up-flow two-stage denitrification device according to claim 2, wherein a sewage inlet pipe is connected to one side of the inlet pipe.
4. The low energy consumption up-flow two-stage denitrification device according to claim 1, wherein the primary aerobic tank is arranged above the primary facultative tank, and the secondary aerobic tank is arranged above the secondary facultative tank.
5. The low-energy-consumption up-flow two-stage denitrification device according to claim 1, wherein a first-stage facultative anaerobic tank is provided with a first-stage facultative aerobic zone for converting and reducing nitrate nitrogen and nitrite nitrogen in an aerobic tank, a first-stage aerobic zone for oxidizing ammonia nitrogen in sewage into nitrate nitrogen and nitrite nitrogen is provided in the first-stage aerobic tank, a second-stage facultative aerobic zone is provided in the second-stage facultative anaerobic tank, and a second-stage aerobic zone is provided in the second-stage aerobic tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120625658.7U CN216191386U (en) | 2021-03-27 | 2021-03-27 | Low-energy-consumption up-flow type two-stage denitrification device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120625658.7U CN216191386U (en) | 2021-03-27 | 2021-03-27 | Low-energy-consumption up-flow type two-stage denitrification device |
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| CN216191386U true CN216191386U (en) | 2022-04-05 |
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| CN202120625658.7U Active CN216191386U (en) | 2021-03-27 | 2021-03-27 | Low-energy-consumption up-flow type two-stage denitrification device |
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2021
- 2021-03-27 CN CN202120625658.7U patent/CN216191386U/en active Active
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