CN220116337U - Quick stable anaerobic ammonia oxidation reaction device - Google Patents
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- CN220116337U CN220116337U CN202320918532.8U CN202320918532U CN220116337U CN 220116337 U CN220116337 U CN 220116337U CN 202320918532 U CN202320918532 U CN 202320918532U CN 220116337 U CN220116337 U CN 220116337U
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 134
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 68
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 166
- 241000894006 Bacteria Species 0.000 claims abstract description 84
- 239000002351 wastewater Substances 0.000 claims abstract description 79
- 230000003647 oxidation Effects 0.000 claims abstract description 55
- 239000002253 acid Substances 0.000 claims abstract description 39
- 239000003513 alkali Substances 0.000 claims abstract description 30
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 38
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 32
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 27
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 description 21
- 238000010992 reflux Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000001580 bacterial effect Effects 0.000 description 6
- 230000005764 inhibitory process Effects 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001784 detoxification Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 231100000572 poisoning Toxicity 0.000 description 3
- 230000000607 poisoning effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000003113 dilution method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Abstract
The utility model discloses a rapid and stable anaerobic ammonia oxidation reaction device, which comprises a weak acid wastewater pool containing nitrogen, a wastewater pool without nitrogen, an anaerobic ammonia oxidation reactor, an alkali liquor barrel and an alkali liquor self-control valve, wherein the weak acid wastewater pool containing nitrogen and the wastewater pool without nitrogen are connected with a water inlet of the anaerobic ammonia oxidation reactor through a main water inlet pipe, and a water inlet pump is arranged on the main water inlet pipe; the anaerobic ammonia oxidation reactor is sequentially provided with a first bacteria water backflow self-control valve, a second bacteria water backflow self-control valve, a third bacteria water backflow self-control valve, a fourth bacteria water backflow self-control valve and a bacteria water backflow pump from top to bottom.
Description
Technical Field
The utility model relates to a rapid and stable anaerobic ammonia oxidation reaction device, and belongs to the technical field of sewage treatment.
Background
In the treatment of ammonia nitrogen wastewater in recent years, the anaerobic ammonia oxidation process has more and more engineering application and research because no additional carbon source is needed and the cost of nitrification alkali addition and nitrification aeration can be reduced. Anaerobic ammoxidation is a process of producing nitrogen by directly taking nitrite nitrogen as an electron acceptor and ammonia nitrogen as an electron donor and directly taking ammonia nitrogen and nitrite nitrogen as matrixes for reaction. However, the anaerobic ammonia oxidation process can be inhibited by excessively high ammonia nitrogen and nitrite nitrogen concentrations, so that the effective control of the ammonia nitrogen and nitrite nitrogen concentrations in the reactor not to exceed the threshold value in the anaerobic ammonia oxidation process has great significance for the high efficiency and stability of the anaerobic ammonia oxidation.
At present, many researches on the inhibition of the anaerobic ammonia oxidation are carried out, but most of the researches are only in the stage of researching the inhibition threshold value, and few researchers also release the inhibition of ammonia nitrogen and nitrite nitrogen with excessive concentration by a constant dilution method, but the strain can be recovered after a long time, so that the reference value is not high in the practical application of engineering. How to detoxify the strains rapidly and restore the strains to be put into treatment becomes a difficult problem of anaerobic ammoxidation operation.
Disclosure of Invention
The utility model aims to: in the anaerobic ammoxidation process, ammonia nitrogen and nitrite nitrogen are taken as substrates to participate in the reaction, but the anaerobic ammoxidation process is inhibited by the excessive concentration of ammonia nitrogen and nitrite nitrogen. The existing detoxification measure removes the inhibition of ammonia nitrogen and nitrite nitrogen with too high concentration by a constant dilution method, and has long time, poor effect and no practical use value. In order to ensure the stability of the anaerobic ammonia oxidation operation, particularly the phenomenon of avoiding bacterial poisoning in the treatment of high ammonia nitrogen wastewater, the utility model provides a rapid and stable anaerobic ammonia oxidation reaction device, which adopts a multistage control technology to realize the inhibition and detoxification of anaerobic ammonia oxidation bacteria under different conditions and at different concentrations.
The technical scheme is as follows: in order to achieve the above purpose, the utility model adopts the following technical scheme:
the rapid and stable anaerobic ammonia oxidation reaction device comprises a nitrogenous weak acid wastewater tank, a nitrogen-free wastewater tank, an anaerobic ammonia oxidation reactor, an alkali liquor barrel and an alkali liquor self-control valve, wherein:
the nitrogen-containing weak acid wastewater tank and the nitrogen-free wastewater tank are connected with a water inlet of the anaerobic ammonia oxidation reactor through a main water inlet pipe, and a water inlet pump is arranged on the main water inlet pipe.
The alkali liquor barrel is communicated with the anaerobic ammonia oxidation reactor through an alkali liquor self-control valve.
The anaerobic ammonia oxidation reactor is provided with a first bacteria water backflow automatic control valve, a second bacteria water backflow automatic control valve, a third bacteria water backflow automatic control valve, a fourth bacteria water backflow automatic control valve and a bacteria water backflow pump from top to bottom in sequence, and the bacteria water backflow pump is respectively communicated with the first bacteria water backflow automatic control valve, the second bacteria water backflow automatic control valve, the third bacteria water backflow automatic control valve and the fourth bacteria water backflow automatic control valve.
Preferably: the intelligent water system is respectively in communication connection with a water inlet pump, an alkali liquor self-control valve, a first bacteria water backflow self-control valve, a second bacteria water backflow self-control valve, a third bacteria water backflow self-control valve and a fourth bacteria water backflow self-control valve.
Preferably: a flowmeter is arranged on the main water inlet pipe between the water inlet pump and the anaerobic ammonia oxidation reactor, and the flowmeter is in communication connection with the intelligent water system.
Preferably: the anaerobic ammonia oxidation reactor is provided with a drainage pipeline, the drainage pipeline is provided with a drainage self-control valve, and the drainage self-control valve is in communication connection with the intelligent water system.
Preferably: the water outlet of the nitrogen-containing weak acid wastewater tank is provided with a nitrogen-containing weak acid wastewater tank self-control valve, the water outlet of the nitrogen-free wastewater tank is provided with a nitrogen-free wastewater tank self-control valve, and the nitrogen-containing weak acid wastewater tank self-control valve and the nitrogen-free wastewater tank self-control valve are respectively in communication connection with a water intelligent system.
Preferably: the anaerobic ammonia oxidation reactor is provided with a level meter, a pH meter, an ammonia nitrogen measuring instrument and a nitrite nitrogen measuring instrument which are respectively in communication connection with the water intelligent system.
Preferably: the frequency of the water inlet pump is 40-50Hz, and the frequency of the bacteria water reflux pump is 40-50Hz.
Preferably: the pH value range of the nitrogenous weak nitrogen acid wastewater in the nitrogenous weak acid wastewater pool is 5.8-7.0.
Preferably: the ammonia nitrogen concentration in the anaerobic ammonia oxidation reactor is 100-150mg/L.
Preferably: the nitrite nitrogen concentration in the anaerobic ammoxidation reactor is 50-75mg/L.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model realizes sectional control (multi-stage control) by controlling the opening and closing of the valves through the water inlet pump, the first bacteria water backflow self-control valve, the second bacteria water backflow self-control valve, the third bacteria water backflow self-control valve and the fourth bacteria water backflow self-control valve, can ensure the stability of equipment and the running environment of strains, avoid the production stopping environment caused by strain poisoning, and is beneficial to ensuring that ammonia nitrogen and nitrite nitrogen in wastewater are in a high concentration range without exceeding a threshold value and improving the denitrification efficiency of the strains on the wastewater.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Wherein: 1 is a nitrogenous weak acid wastewater tank, 11 is a nitrogenous weak acid wastewater tank self-control valve, 2 is a nitrogen-free wastewater tank, 21 is a nitrogen-free wastewater tank self-control valve, 3 is a water inlet pump, 31 is a flowmeter, 9 is an anaerobic ammonia oxidation reactor, 41 is a level meter (comprising a probe and a meter), 42 is a pH meter (comprising a probe and a meter), 43 is an ammonia nitrogen measuring instrument (comprising a probe and a meter), 44 is a nitrous nitrogen measuring instrument (comprising a probe and a meter), 5 is a water intelligent system, 7 is a water drainage self-control valve, 8 is a drainage pipeline, 6 is a bacteria water backflow pump, 61 is a first bacteria water backflow self-control valve, 62 is a second bacteria water backflow self-control valve, 63 is a third bacteria water backflow self-control valve, 64 is a fourth bacteria water backflow self-control valve, 10 is an alkali liquor barrel, and 101 is an alkali liquor self-control valve.
Detailed Description
The present utility model is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the utility model and not limiting of its scope, and various equivalent modifications to the utility model will fall within the scope of the utility model as defined in the appended claims after reading the utility model.
The rapid and stable anaerobic ammonia oxidation reaction device, as shown in figure 1, comprises a weak acidic wastewater pool 1 containing nitrogen, a wastewater pool 2 without nitrogen, an anaerobic ammonia oxidation reactor 9, an alkali liquor barrel 10, an alkali liquor self-control valve 101 and a water intelligent system 5, wherein:
the nitrogen-containing weak acid wastewater tank 1 and the nitrogen-free wastewater tank 2 are connected with a water inlet of the anaerobic ammonia oxidation reactor 9 through a main water inlet pipe, a water inlet pump 3 is arranged on the main water inlet pipe, and a flowmeter 31 is arranged on the main water inlet pipe between the water inlet pump 3 and the anaerobic ammonia oxidation reactor 9.
The alkali liquor barrel 10 is communicated with the anaerobic ammonia oxidation reactor 9 through an alkali liquor self-control valve 101.
A drainage pipeline 8 is arranged on the anaerobic ammonia oxidation reactor 9, and a drainage self-control valve 7 is arranged on the drainage pipeline 8.
The anaerobic ammoxidation reactor 9 is provided with a first bacteria water backflow automatic control valve 61, a second bacteria water backflow automatic control valve 62, a third bacteria water backflow automatic control valve 63, a fourth bacteria water backflow automatic control valve 64 and a bacteria water backflow pump 6 from top to bottom in sequence, and the bacteria water backflow pump 6 is respectively communicated with the first bacteria water backflow automatic control valve 61, the second bacteria water backflow automatic control valve 62, the third bacteria water backflow automatic control valve 63 and the fourth bacteria water backflow automatic control valve 64. The bacteria water reflux pump and the bacteria water reflux self-control valve are connected with a water intelligent system, so that the automation of the reflux system is realized.
A water outlet of the weak acid wastewater tank 1 is provided with a weak acid wastewater tank self-control valve 11, a water outlet of the wastewater tank 2 is provided with a wastewater tank self-control valve 21,
the anaerobic ammoxidation reactor 9 is provided with a level meter 41, a pH meter 42, an ammonia nitrogen measuring instrument 43 and a nitrite nitrogen measuring instrument 44.
The intelligent water system 5 is respectively connected with a nitrogen-containing weak acid wastewater pool automatic control valve 11, a nitrogen-free wastewater pool automatic control valve 21, a water inlet pump 3, a flowmeter 31, a level meter 41, a pH meter 42, an ammonia nitrogen measuring instrument 43, a nitrite nitrogen measuring instrument 44, an alkali liquor automatic control valve 101, a first bacteria water backflow automatic control valve 61, a second bacteria water backflow automatic control valve 62, a third bacteria water backflow automatic control valve 63, a fourth bacteria water backflow automatic control valve 64, a drainage automatic control valve 7 in a communication way.
The frequency of the water inlet pump 3 is 40-50Hz, and the frequency of the bacteria water reflux pump 6 is 40-50Hz. The pH value range of the nitrogenous weak nitrogen acid wastewater in the nitrogenous weak acid wastewater pool 1 is 5.8-7.0. The ammonia nitrogen concentration in the anaerobic ammonia oxidation reactor 9 is 100-150mg/L. The nitrite nitrogen concentration in the anaerobic ammonia oxidation reactor 9 is 50-75mg/L.
A rapid and stable anaerobic ammoxidation reaction method, comprising the following steps:
the sewage is divided into nitrogen-containing weak-nitrogen acid wastewater and nitrogen-free wastewater in advance, the nitrogen-containing weak-acid wastewater is pumped into an anaerobic ammonia oxidation reactor through a water inlet pump 3, and when the sewage is discharged from a water discharge pipeline 8 after being subjected to anaerobic ammonia oxidation treatment in the anaerobic ammonia oxidation reactor 9, a bacteria water reflux pump 6 and a first bacteria water reflux automatic control valve 61 are normally opened.
When the pH value in the anaerobic ammoxidation reactor 9 is lower than the set value of the intelligent water system 5, the automatic control valve 11 and the automatic control valve 7 of the nitrogenous weak acid wastewater pool are closed, meanwhile, the automatic control valve 101 of alkali liquor is opened to add alkali, and the automatic control valves 62, 63 and 64 of second bacteria water and fourth bacteria water are opened to increase the bacteria liquid reflux quantity. When the pH reaches the time delay protection value, the alkali liquor self-control valve 101 is closed to stop alkali addition, the bacterial liquid reflux quantity is restored to the original setting, and the nitrogenous weak acid wastewater pond self-control valve 11 and the drainage self-control valve 7 are opened.
After the concentration of ammonia nitrogen or nitrite nitrogen in the anaerobic ammoxidation reactor 9 exceeds the set value of the intelligent water system 5, the automatic control valve 11 of the weak acidic wastewater pond containing nitrogen is closed, the automatic control valve 7 of the wastewater pond containing nitrogen is closed, the automatic control valve 21 of the wastewater pond containing no nitrogen is opened, and the working frequencies of the water inlet pumps 3 with different sections and the reflux flow of different bacteria are set according to the exceeding concentration. If the liquid in the anaerobic ammonia oxidation reactor 9 rises to the protection liquid level, the water discharge self-control valve 7 is opened, and the liquid level is closed after reaching the delay protection value. After ammonia nitrogen or nitrite nitrogen in the anaerobic ammonia oxidation reactor 9 is recovered to a normal value under the dilution of nitrogen-free wastewater, water is fed in and discharged to recover to normal setting, and bacteria liquid backwater water is recovered to normal setting.
The method comprises the following specific steps:
step 1, pH self-control operation:
step 11, pumping the nitrogenous weak acid wastewater into an anaerobic ammonia oxidation reactor 9 from a nitrogenous weak acid wastewater pool 1 through a water inlet pump 3, after a period of time, reducing the pH value of a mixed medium in the anaerobic ammonia oxidation reactor 9 to be below 7.0, closing an automatic control valve 11 and a water discharge automatic control valve 7 of the nitrogenous weak acid wastewater pool by a water intelligent system 5, opening an alkali liquor automatic control valve 101 of an alkali liquor barrel 10, and starting to add alkali liquor;
and step 12, simultaneously, the water intelligent system opens the second bacteria water backflow automatic control valve 62, the third bacteria water backflow automatic control valve 63 and the fourth bacteria water backflow automatic control valve 64, the frequency of the bacteria water backflow pump 6 is increased to 50Hz, the bacteria water backflow amount is increased, and the mixed medium in the anaerobic ammonia oxidation reactor 9 is quickly and evenly mixed.
Step 13, the pH value in the anaerobic ammonia oxidation reactor 9 gradually rises along with the addition of alkali liquor. After the pH value rises to the delay protection value of 8.2, the water intelligent system 5 closes the alkali liquor self-control valve 101 to stop alkali addition, closes the second bacteria water backflow self-control valve 62, the third bacteria water backflow self-control valve 63 and the fourth bacteria water backflow self-control valve 64, regulates the frequency of the bacteria water backflow pump 6 to 40Hz, and opens the nitrogenous weak acid wastewater pond self-control valve 11 and the drainage self-control valve 7.
Step 14, if the pH of the mixed medium in the anaerobic ammonia oxidation reactor 9 is reduced to 7.0 or below again, repeating the steps 11-13.
Step 2, ammonia nitrogen self-control operation:
step 21, the nitrogenous weak acid wastewater is pumped into the anaerobic ammonia oxidation reactor 9 from the nitrogenous weak acid wastewater pool 1 through the water inlet pump 3, an ammonia nitrogen measuring instrument monitors that the ammonia nitrogen of a mixed medium in the anaerobic ammonia oxidation reactor 9 exceeds 120mg/L of a set standard in the operation process, the intelligent water system 5 closes the automatic control valve 11 and the automatic control valve 7 of the nitrogenous weak acid wastewater pool, and opens the automatic control valve 21 of the nitrogen-free wastewater pool.
In step 22, the intelligent water system 5 sets the working frequency of the water inlet pump 3 with different sections and sets the backflow flow of different bacteria liquid according to the excess concentration, and the specific implementation is shown in the following table 1.
TABLE 1 operating frequency of feed pump 3 and setting different bacterial liquid reflux control tables for different ammonia nitrogen concentrations
Step 23, the elevation of the drainage self-control valve 7 is 0 and is set as a protection liquid level, water is fed into the anaerobic ammonia oxidation reactor 9 and the liquid level rises, the level meter 41 monitors that the liquid level reaches 1m above the protection liquid level, the drainage self-control valve 7 is opened, and the liquid level reaches a delay protection value of 0.5m and then is closed.
And step 24, when the ammonia nitrogen in the water quality is reduced to the protection delay value of 100mg/L, closing the nitrogen-free wastewater pool self-control valve 21, opening the nitrogen-containing weak acid wastewater pool self-control valve 11 and the water drainage self-control valve 7, and starting the anaerobic ammonia oxidation reactor 9 to enter the nitrogen-containing weak acid wastewater.
And step 25, when the ammonia nitrogen of the mixed medium in the ammonia oxidation reactor 9 exceeds the set standard again, repeating the steps 21-24.
Step 3, nitrite nitrogen self-control operation
And 31, pumping the nitrogenous weak acidic wastewater into the anaerobic ammonia oxidation reactor 9 from the nitrogenous weak acidic wastewater pool 1 through a water inlet pump 3, monitoring that mixed medium nitrite nitrogen in the anaerobic ammonia oxidation reactor 9 exceeds a set standard by an ammonia nitrogen measuring instrument in the operation process, closing an automatic control valve 11 and a water discharge automatic control valve 7 of the nitrogenous weak acidic wastewater pool by the intelligent water system 5, and opening an automatic control valve 21 of the nitrogen-free wastewater pool.
In step 32, the water intelligent system 5 sets the working frequency of the water inlet pump 3 with different sections and sets the reflux flow of different bacteria according to the nitrite nitrogen excess concentration, and the specific implementation is shown in the following table 2.
TABLE 2 operating frequency of feed pump 3 and setting different bacterial liquid reflux control tables for different ammonia nitrogen concentrations
And 33, the elevation of the water draining self-control valve 7 is 0, the liquid level rises due to water inflow in the anaerobic ammonia oxidation reactor 9, the water draining self-control valve 7 is opened after the liquid level reaches the protection liquid level 1m and is closed after the liquid level reaches the delay protection value 0.5m, and the liquid level in the anaerobic ammonia oxidation reactor 9 is ensured to be stable between 0.5m and 1m relative to the water draining self-control valve.
And 34, when the nitrite nitrogen in the water quality is reduced to a protection delay value of 50mg/L, closing the nitrogen-free wastewater pool self-control valve 21, opening the nitrogen-containing weak acid wastewater pool self-control valve 11 and the water drainage self-control valve 7, and starting the anaerobic ammonia oxidation reactor 9 to enter the nitrogen-containing weak acid wastewater.
Step 35, repeating the cycle 31-34 when the mixed medium nitrite nitrogen in the oxyammoxidation reactor 9 exceeds the set standard again
And 4, when the nitrite nitrogen concentration and the ammonia nitrogen concentration exceed the set values at the same time, the water intelligent system 5 is operated according to the nitrite nitrogen self-control operation step preferentially, and then further operation is carried out according to the actual ammonia nitrogen concentration of the water quality.
And 5, when the liquid level of the nitrogen-free water tank is higher, closing the nitrogen-containing weak acid wastewater tank self-control valve 11, opening the nitrogen-free wastewater tank self-control valve 21, closing the nitrogen-free wastewater tank self-control valve 21 after the liquid level of the nitrogen-free water tank is reduced, and opening the nitrogen-containing weak acid wastewater tank self-control valve to normally feed water.
The utility model realizes sectional control (multi-stage control) by controlling the opening and closing of the water inlet pump, the first bacteria water backflow self-control valve, the second bacteria water backflow self-control valve, the third bacteria water backflow self-control valve and the fourth bacteria water backflow self-control valve, thereby realizing the inhibition and detoxification of anaerobic ammonia oxidation bacteria under different conditions and different concentrations, not only ensuring the running stability of an anaerobic ammonia oxidation system, avoiding the production stop caused by bacterial poisoning, but also being beneficial to ensuring that ammonia nitrogen and nitrite nitrogen in wastewater are in a high concentration range and do not exceed a threshold value, and improving the denitrification efficiency of bacterial on wastewater.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (6)
1. A quick stable anaerobic ammonia oxidation reaction device which is characterized in that: comprises a nitrogenous weak acid wastewater tank (1), a nitrogen-free wastewater tank (2), an anaerobic ammonia oxidation reactor (9), an alkali liquor barrel (10) and an alkali liquor self-control valve (101), wherein:
the nitrogen-containing weak acid wastewater tank (1) and the nitrogen-free wastewater tank (2) are connected with a water inlet of an anaerobic ammonia oxidation reactor (9) through a main water inlet pipe, and a water inlet pump (3) is arranged on the main water inlet pipe;
the alkali liquor barrel (10) is communicated with the anaerobic ammonia oxidation reactor (9) through an alkali liquor self-control valve (101);
the anaerobic ammonia oxidation reactor (9) is sequentially provided with a first bacteria water backflow automatic control valve (61), a second bacteria water backflow automatic control valve (62), a third bacteria water backflow automatic control valve (63), a fourth bacteria water backflow automatic control valve (64) and a bacteria water backflow pump (6) from top to bottom, and the bacteria water backflow pump (6) is respectively communicated with the first bacteria water backflow automatic control valve (61), the second bacteria water backflow automatic control valve (62), the third bacteria water backflow automatic control valve (63) and the fourth bacteria water backflow automatic control valve (64).
2. The rapid and stable anaerobic ammonia oxidation reaction device according to claim 1, wherein: the intelligent water treatment device comprises a water intelligent system (5), wherein the water intelligent system (5) is respectively in communication connection with a water inlet pump (3), an alkali liquor self-control valve (101), a first bacteria water backflow self-control valve (61), a second bacteria water backflow self-control valve (62), a third bacteria water backflow self-control valve (63) and a fourth bacteria water backflow self-control valve (64).
3. The rapid and stable anaerobic ammonia oxidation reaction device according to claim 2, wherein: a flowmeter (31) is arranged on a main water inlet pipe between the water inlet pump (3) and the anaerobic ammonia oxidation reactor (9), and the flowmeter (31) is in communication connection with the intelligent water system (5).
4. A rapid and stable anaerobic ammonia oxidation reaction device according to claim 3, wherein: the anaerobic ammonia oxidation reactor (9) is provided with a drainage pipeline (8), the drainage pipeline (8) is provided with a drainage self-control valve (7), and the drainage self-control valve (7) is in communication connection with the intelligent water system (5).
5. The rapid and stable anaerobic ammonium oxidation reaction apparatus according to claim 4, wherein: the water outlet of the nitrogen-containing weak acid wastewater tank (1) is provided with a nitrogen-containing weak acid wastewater tank self-control valve (11), the water outlet of the nitrogen-free wastewater tank (2) is provided with a nitrogen-free wastewater tank self-control valve (21), and the nitrogen-containing weak acid wastewater tank self-control valve (11) and the nitrogen-free wastewater tank self-control valve (21) are respectively in communication connection with the intelligent water system (5).
6. The rapid and stable anaerobic ammonia oxidation reaction device according to claim 5, wherein: the anaerobic ammonia oxidation reactor (9) is provided with a material level meter (41), a pH meter (42), an ammonia nitrogen measuring instrument (43) and a nitrite nitrogen measuring instrument (44), and the material level meter (41), the pH meter (42), the ammonia nitrogen measuring instrument (43) and the nitrite nitrogen measuring instrument (44) are respectively in communication connection with the water intelligent system (5).
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| CN202320918532.8U CN220116337U (en) | 2023-04-21 | 2023-04-21 | Quick stable anaerobic ammonia oxidation reaction device |
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| CN202320918532.8U CN220116337U (en) | 2023-04-21 | 2023-04-21 | Quick stable anaerobic ammonia oxidation reaction device |
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