CN215161952U - Biological denitrification reactor - Google Patents
Biological denitrification reactor Download PDFInfo
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- CN215161952U CN215161952U CN202120852853.3U CN202120852853U CN215161952U CN 215161952 U CN215161952 U CN 215161952U CN 202120852853 U CN202120852853 U CN 202120852853U CN 215161952 U CN215161952 U CN 215161952U
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- pipe
- tank body
- aerator
- tank
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000010802 sludge Substances 0.000 claims abstract description 37
- 238000005276 aerator Methods 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 24
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000001556 precipitation Methods 0.000 claims description 39
- 238000000926 separation method Methods 0.000 claims description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000007872 degassing Methods 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000011010 flushing procedure Methods 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 239000012716 precipitator Substances 0.000 claims 1
- 238000005273 aeration Methods 0.000 abstract description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 229910021529 ammonia Inorganic materials 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model provides a biological denitrification reactor, which comprises a first tank body, a second tank body, two sedimentation separators, two aerators, a first water inlet pipe, a second water inlet pipe and a water outlet pipe; the sedimentation separator is provided with a water outlet overflow trough and a sludge outlet, and the sedimentation separator in the first tank body is higher than the sedimentation separator in the second tank body; the inlet end of the first water inlet pipe is connected with upstream water supply equipment, and the outlet end of the first water inlet pipe extends into an aeration pipe positioned in the first tank body; the inlet end of the second water inlet pipe is connected with a water outlet overflow trough of the sedimentation separator positioned in the first tank body, and the outlet end of the second water inlet pipe extends into an aeration pipe in the second tank body; the inlet end of the water outlet pipe is connected with the water outlet overflow trough of the sedimentation separator positioned in the second tank body, and the outlet end of the water outlet pipe is connected with the downstream water collecting equipment. The utility model discloses carry out preliminary treatment and anaerobic ammonia oxidation operation respectively at first jar of body and the internal second jar, have the operation stably, be difficult for running the advantage of mud.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, concretely relates to biological denitrification reactor that can carry out preliminary treatment and anaerobic ammonium oxidation.
Background
With the increasing of the total nitrogen discharge standard of sewage treatment in China, the control of the total amount of total nitrogen pollutants is increasingly paid attention. The removal of total nitrogen pollutants in town sewage and industrial wastewater is the key and difficult point of water pollution control and sewage reuse water at present.
In the prior art, when the biological denitrification reactor is abnormally operated, the activity of anaerobic granular sludge may be inactivated, which may cause system operation disorder, increased load of subsequent process units, and the like, and thus the prior biological denitrification reactor needs to be improved.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides a biological denitrification reactor carries out the preliminary treatment operation at the internal first jar, carries out anaerobic ammonia oxidation operation at the internal second jar, and the first jar of body and the internal second jar of body make up the use, have the operation stably, the difficult advantage of running mud.
In order to achieve the above object, the present invention provides a biological denitrification reactor, comprising: the device comprises a first tank, a second tank, a first precipitation separator, a second precipitation separator, a first aerator, a second aerator, a first water inlet pipe, a second water inlet pipe and a water outlet pipe;
wherein the bottom of the first tank body is provided with a first aerator, the bottom of the second tank body is provided with a second aerator, the top of the first tank body is provided with a first precipitation separator, and the top of the second tank body is provided with a second precipitation separator;
the first sedimentation separator is provided with a first water outlet overflow trough positioned at the top of the first sedimentation separator and a first sludge outlet positioned at the bottom of the first sedimentation separator, the second sedimentation separator is provided with a second water outlet overflow trough positioned at the top of the second sedimentation separator and a second sludge outlet positioned at the bottom of the second sedimentation separator, and the first sedimentation separator positioned in the first tank body is higher than the second sedimentation separator positioned in the second tank body;
wherein the inlet end of the first water inlet pipe is connected with upstream water supply equipment, and the outlet end of the first water inlet pipe extends into a first aerator positioned in the first tank body;
wherein the inlet end of the second water inlet pipe is connected with a first water outlet overflow trough of a first precipitation separator positioned in the first tank body, and the outlet end of the second water inlet pipe extends into a second aerator in the second tank body;
wherein the inlet end of the water outlet pipe is connected with a second water outlet overflow trough of a second precipitation separator positioned in the second tank body, and the outlet end of the water outlet pipe is connected with a downstream water collecting device.
As another specific embodiment of the utility model, the first aerator is connected with a first aeration pipe, and a first blower is arranged on the first aeration pipe; the second aerator is connected with a second aerator pipe, and a second air blower is arranged on the second aerator pipe.
As another specific embodiment of the present invention, the first precipitation separator comprises a first separation chamber, a first degassing chamber located at two sides of the first separation chamber, and a first precipitation chamber located below the first separation chamber, the first precipitation chamber is respectively communicated with the first separation chamber and the first degassing chamber, wherein the first effluent overflow tank is located at the top of the first separation chamber, and the first sludge outlet is located at the bottom of the first precipitation chamber.
As another concrete implementation scheme of the utility model, be connected with the sludge pipe on being located the first sludge outlet of the internal first separator that deposits of first jar, be equipped with the sludge pump on the sludge pipe, the sludge pump is located outside the first jar of body.
As another specific implementation scheme of the utility model, be located the second sludge outlet department in the internal second sedimentation separator of second jar and be equipped with the baffle, the baffle sets up on the second jar body.
As another specific embodiment of the present invention, the first settling chamber is formed in a V-shape having a gradually decreasing cross-section from top to bottom.
As another specific embodiment of the utility model, a flushing port is arranged outside the first settling chamber.
As another specific implementation scheme of the utility model, be equipped with the mouth that sweeps in the middle part of first drip chamber.
As another specific embodiment of the utility model, first separation chamber, two first degasification rooms adopt PP or HDPE material integrative prefabricated forming.
As another specific embodiment of the utility model, at the internal sampler that is equipped with of second jar, the sampler includes a plurality of sampling tubes that set up along the direction of height layering of the second jar of body, and the one end mouth of pipe of a plurality of sampling tubes sets up to stretching out the second jar of body outside, and all is provided with the valve on each sampling tube.
The utility model discloses possess following beneficial effect:
the utility model discloses the anaerobism in the well upper reaches water supply equipment goes out the bottom that water got into first jar body (preliminary treatment) through first inlet tube, after being located the mixed of the internal first aerator of first jar, separate in being located the internal first sedimentation separator of first jar, it discharges through the first play water overflow launder on it to go out water, mud is external through the first sludge outlet backward flow on it to first jar internal or discharge through the sludge pipe, have the solution project land, practice thrift construction cost's advantage.
The solid phase flows to a second outlet overflow trough on the second tank body through a second sludge outlet on the second tank body and then is continuously subjected to subsequent treatment, so that the anaerobic ammonia oxidation sludge is efficiently utilized, and the sludge concentration in the second tank is ensured.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the biological denitrification reactor of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
Example 1
The embodiment provides a biological denitrification reactor, as shown in fig. 1, comprising a first tank 1, a second tank 2, a first precipitation separator 3, a second precipitation separator 4, a first aerator 5, a second aerator 6, a first water inlet pipe 7, a second water inlet pipe 8 and a water outlet pipe 9;
the first aerator 5 is positioned at the bottom of the first tank body 1, the first aerator 5 is connected with a first aerator pipe 10, and the first aerator pipe 10 is provided with a first air blower 11 to provide continuous air; the second aerator 6 is arranged at the bottom of the second tank body 2, a second aeration pipe 12 is connected on the second aerator 6, and a second blower 13 is arranged on the second aeration pipe 12 to provide continuous air.
The first precipitation separator 3 is positioned at the top of the first tank 1, and the second precipitation separator 4 is positioned at the top of the second tank 2 to perform precipitation separation treatment, respectively, wherein the first precipitation separator 3 is higher than the second precipitation separator 4.
The first precipitation separator 3 and the second precipitation separator 4 in this embodiment have the same structure, and the first precipitation separator 3 is described as an example below:
the first precipitation separator 3 has a first effluent overflow launder 301 at its top and a first sludge outlet 302 at its bottom;
the first precipitation separator 3 comprises a first separation chamber 303, first degassing chambers 304 located on both sides of the first separation chamber 303, and a first precipitation chamber 305 located below the first separation chamber 303, the first precipitation chamber 305 being in communication with the first separation chamber 303 and the first degassing chamber 304, respectively, wherein the first effluent overflow tank 301 is located at the top of the first separation chamber 303, and the first sludge outlet 302 is located at the bottom of the first precipitation chamber 305.
Preferably, the first settling chamber 305 is provided in a V-shape having a gradually decreasing cross-section from top to bottom.
Further, a flushing port is arranged outside the first settling chamber 305 above the first sludge outlet 302 for flushing when needed;
still further, a purge port, preferably a nitrogen purge port, is provided in the middle of the first settling chamber 305 above the first sludge outlet 302 for purging when needed.
Specifically, in this embodiment, the first separation chamber 303 and the two first degassing chambers 304 are preferably integrally preformed from PP or HDPE to form an integral composite device for convenient use.
In this embodiment, the inlet end of the first water inlet pipe 7 is connected to an upstream water supply device, the outlet end of the first water inlet pipe 7 extends into the first aeration pipe 10, the inlet end of the second water inlet pipe 8 is connected to the first water outlet overflow trough 304 of the first precipitation separator 3, and the outlet end of the second water inlet pipe 8 extends into the second aeration pipe 12;
wherein the inlet end of the water outlet pipe 9 is connected with the second water outlet overflow trough 401 of the second precipitation separator 4, and the outlet end of the water outlet pipe 9 is connected with the downstream water collecting equipment for subsequent treatment.
In the embodiment, a sludge pipe 14 is connected to the first sludge outlet 302 in the first precipitation separator 3, a sludge pump 15 is arranged on the sludge pipe 14, and the sludge pump 14 is positioned outside the first tank 1 so as to discharge sludge in the first tank 1 when needed; the baffle 16 is arranged at the second sludge outlet 402 in the second precipitation separator 4, the baffle 16 is arranged on the second tank body 2, and the baffle 16 can effectively prevent the gas phase in the reaction zone of the second tank body 2 from entering the second precipitation chamber 405 from the second sludge outlet 402 of the second precipitation separator 4, so as to ensure that the second separation chamber 403 and the second precipitation chamber 405 are in a relatively silent state, thereby further improving the solid-liquid separation effect.
In this embodiment can also be equipped with sampler 17 in the second jar of body 2, sampler 17 is preferred to be including a plurality of sampling tubes that set up along the direction of height layering of the second jar of body 2, and the one end mouth of pipe of a plurality of sampling tubes sets up to stretch out outside the second jar of body 2, and all is provided with the valve on each sampling tube, carries out the sample process through opening the valve.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.
Claims (10)
1. A biological denitrification reactor is characterized by comprising a first tank body (1), a second tank body (2), a first precipitation separator (3), a second precipitation separator (4), a first aerator (5), a second aerator (6), a first water inlet pipe (7), a second water inlet pipe (8) and a water outlet pipe (9);
wherein the bottom of the first tank body (1) is provided with the first aerator (5), the bottom of the second tank body (2) is provided with the second aerator (6), the top of the first tank body (1) is provided with the first sedimentation separator (3), and the top of the second tank body (2) is provided with the second sedimentation separator (4);
wherein the first sedimentation separator (3) has a first overflow launder (301) at its top and a first sludge outlet (302) at its bottom, the second sedimentation separator has a second overflow launder (401) at its top and a second sludge outlet (402) at its bottom, the first sedimentation separator (3) located in the first tank (1) being higher than the second sedimentation separator (4) located in the second tank (2);
wherein the inlet end of the first water inlet pipe (7) is connected with upstream water supply equipment, and the outlet end of the first water inlet pipe (7) extends into the first aerator (5) positioned in the first tank body (1);
wherein the inlet end of the second water inlet pipe (8) is connected with a first water outlet overflow trough (301) of the first sedimentation separator (3) in the first tank body (1), and the outlet end of the second water inlet pipe (8) extends into the second aerator (6) in the second tank body (2);
wherein the inlet end of the water outlet pipe (9) is connected with a second water outlet overflow trough (401) of the second precipitation separator (4) positioned in the second tank body (2), and the outlet end of the water outlet pipe (9) is connected with a downstream water collecting device.
2. The biological denitrification reactor according to claim 1, wherein the first aerator (5) is connected with a first aerator pipe (10), and the first aerator pipe (10) is provided with a first blower (11); the second aerator (6) is connected with a second aerator pipe (12), and the second aerator pipe (12) is provided with a second air blower (13).
3. The biological denitrification reactor according to claim 1, wherein the first precipitation separator (3) comprises a first separation chamber (303), first degassing chambers (304) located on both sides of the first separation chamber (303), and a first precipitation chamber (305) located below the first separation chamber (303), the first precipitation chamber (305) communicating with the first separation chamber (303) and the first degassing chamber (304), respectively, wherein the first water overflow tank (301) is located at the top of the first separation chamber (303), and the first sludge outlet (302) is located at the bottom of the first precipitation chamber (305).
4. The biological denitrification reactor according to claim 3, wherein a sludge pipe (14) is connected to the first sludge outlet (302) of the first sedimentation separator (3) in the first tank (1), a sludge pump (15) is provided on the sludge pipe (14), and the sludge pump (15) is located outside the first tank (1).
5. A biological denitrification reactor according to claim 3, characterized in that a baffle (16) is provided at the second sludge outlet (402) in the second precipitator (4) in the second tank (2), the baffle (16) being provided on the second tank (2).
6. The biological denitrification reactor as recited in claim 3, wherein the first settling chamber (305) is provided in a V-shape having a cross section gradually reduced from top to bottom.
7. The biological denitrification reactor as set forth in claim 6, wherein a flushing port is provided outside the first settling chamber (305).
8. The biological denitrification reactor as recited in claim 6, wherein a purge port is provided in the middle of the first settling chamber (305).
9. The biological denitrification reactor of claim 3, wherein the first separation chamber (303), the two first degassing chambers (304) are integrally preformed from PP or HDPE material.
10. The biological nitrogen removal reactor according to claim 1, wherein a sampler (17) is provided in the second tank (2), the sampler (17) comprises a plurality of sampling pipes arranged in layers along the height direction of the second tank (2), one end pipe openings of the plurality of sampling pipes are arranged to extend out of the second tank (2), and each sampling pipe is provided with a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120852853.3U CN215161952U (en) | 2021-04-25 | 2021-04-25 | Biological denitrification reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120852853.3U CN215161952U (en) | 2021-04-25 | 2021-04-25 | Biological denitrification reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215161952U true CN215161952U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120852853.3U Active CN215161952U (en) | 2021-04-25 | 2021-04-25 | Biological denitrification reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215161952U (en) |
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2021
- 2021-04-25 CN CN202120852853.3U patent/CN215161952U/en active Active
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