CN212924565U - Integrated shortcut nitrification and anaerobic ammonia oxidation rapid in-situ starting device - Google Patents

Integrated shortcut nitrification and anaerobic ammonia oxidation rapid in-situ starting device Download PDF

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CN212924565U
CN212924565U CN202021210814.5U CN202021210814U CN212924565U CN 212924565 U CN212924565 U CN 212924565U CN 202021210814 U CN202021210814 U CN 202021210814U CN 212924565 U CN212924565 U CN 212924565U
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situ
unit
quick
sequencing batch
batch reactor
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郑蕊
魏源送
任杰辉
隋倩雯
左富民
程向前
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Anping Hongjia Environmental Protection Technology Co ltd
Research Center for Eco Environmental Sciences of CAS
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Anping Hongjia Environmental Protection Technology Co ltd
Research Center for Eco Environmental Sciences of CAS
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Abstract

A rapid in-situ starting device for integrated shortcut nitrification and anaerobic ammonia oxidation comprises an integrated autotrophic nitrogen removal sequencing batch reactor; the aeration unit is arranged on the integrated autotrophic nitrogen removal sequencing batch reactor; the medicine adding unit is used for providing nitrite for the integrated autotrophic nitrogen removal sequencing batch reactor; and the real-time control unit is used for controlling the integrated autotrophic nitrogen removal sequencing batch reactor to realize the operation of each stage. The utility model provides a device and method that integration shortcut nitrification and anaerobic ammonia oxidation technology normal position were started fast, in the denitrification treatment of being applied to birds poultry breeding waste water with shortcut nitrification and anaerobic ammonia oxidation, for traditional denitrification technology, reduced the aeration rate more than 60%, need not to throw simultaneously and just can realize its high-efficient low consumption denitrogenation with throwing the carbon source.

Description

Integrated shortcut nitrification and anaerobic ammonia oxidation rapid in-situ starting device
Technical Field
The utility model relates to a sewage treatment process field, concretely relates to quick normal position starting drive of integral type shortcut nitrification and anaerobic ammonia oxidation technology.
Background
The root of water body pollution is that pollutants such as nitrogen, phosphorus and the like exceeding the self-purification capacity are rapidly accumulated in various water bodies due to artificial pollution discharge, and the root of water body eutrophication treatment is that the pollutants of nitrogen and phosphorus in the water bodies are effectively controlled by adopting an environmental engineering means.
The removal of nitrogen in municipal sewage treatment plants in China is mainly based on a nitrification-denitrification process, the aeration quantity required by the nitrification process at the front section is large, the additional carbon source is often required due to insufficient COD in the denitrification process at the rear section, and the investment and operation cost are high.
The anaerobic ammonia oxidation process has the advantages of saving aeration energy consumption and organic carbon sources, low sludge yield, high denitrification load and the like, has a very wide prospect, and is an important biological denitrification technology for realizing self-sufficiency of energy of urban sewage treatment plants at present. And its reaction substrate Nitrite (NO)2 -The stable supply of-N) is a key problem for the popularization and application of the mainstream anammox technology.
SUMMERY OF THE UTILITY MODEL
In view of the above, one of the main objects of the present invention is to provide an in-situ start-up device for integrated shortcut nitrification and anammox process, so as to at least partially solve at least one of the above technical problems.
In order to realize the above purpose, the utility model provides an in situ starting drive of integral type shortcut nitrification and anaerobic ammonium oxidation technology, include:
an integrated autotrophic denitrification sequencing batch reactor;
the aeration unit is arranged on the integrated autotrophic nitrogen removal sequencing batch reactor;
the medicine adding unit is used for providing nitrite for the integrated autotrophic nitrogen removal sequencing batch reactor; and
and the real-time control unit is used for controlling the integrated autotrophic nitrogen removal sequencing batch reactor to realize the operation of each stage.
Based on above-mentioned technical scheme can know, the utility model discloses an in situ starting drive of integral type short-cut nitrification and anaerobic ammonium oxidation technology has one of following advantage at least for prior art:
1. the utility model provides an integration shortcut nitrification and quick start-up device of anaerobic ammonium oxidation technology normal position, with shortcut nitrification and anaerobic ammonium oxidation be applied to the denitrogenation of birds poultry farming waste water and handle, compared with traditional denitrogenation technology, reduced the aeration rate more than 60%, need not to add the carbon source simultaneously and just can realize its high-efficient low-consumption denitrogenation;
2. the integrated autotrophic denitrification reactor runs in a sequencing batch mode, the running mode is flexible, the denitrification effect is good, the impact load resistance is high, the treatment capacity is high, and the sludge bulking can be effectively prevented;
3. NO by controlling the reaction end section of the integrated autotrophic nitrogen removal sequencing batch reactor2 -The concentration of N is lower than 1mg/L, so that the anaerobic ammonia oxidation reaction hardly occurs in the reactor in the standing precipitation stage, and the anaerobic ammonia oxidation is prevented from generating a large amount of N2Causing the sludge to float upwards and causing a large amount of sludge to be lost.
Drawings
FIG. 1 is a schematic structural diagram of a rapid in-situ starting device for an integrated shortcut nitrification-anaerobic ammonia oxidation process of the present invention.
In the above figures, the reference numerals have the following meanings:
1 is a water inlet pump, 2 is a water inlet valve, 3 is an electromagnetic gas valve, 4 is a perforated gas distribution pipe, 5 is a microporous gas distribution pipe, 6 is a blower, 7 is a floating drainage pump, 8 is a pH and DO sensing electrode, 9 is a water quality tester, 10 is a water quality monitoring control component, 11 is a programmable logic control cabinet, 12 is NaNO2A dispensing tank, a dosing pump 13 and a stirrer 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
The utility model discloses a quick normal position starting drive of integral type shortcut nitrification and anaerobic ammonia oxidation technology for carry out as above quick start-up method, include:
an integrated autotrophic denitrification sequencing batch reactor;
the aeration unit is arranged on the integrated autotrophic nitrogen removal sequencing batch reactor;
the medicine adding unit is used for providing nitrite for the integrated autotrophic nitrogen removal sequencing batch reactor; and
and the real-time control unit is used for controlling the integrated autotrophic nitrogen removal sequencing batch reactor to realize the operation of each stage.
In some embodiments of the present invention, the aeration unit includes a blower, a perforated gas distribution pipe, and a microporous gas distribution pipe.
In some embodiments of the present invention, the perforated gas distribution pipe and the microporous gas distribution pipe are disposed on the same horizontal support;
in some embodiments of the present invention, the perforated gas distribution pipe and the microporous gas distribution pipe are alternately distributed.
In some embodiments of the present invention, the aeration unit further comprises an electromagnetic air volume valve.
In some embodiments of the present invention, the drug adding unit comprises a dispensing tank.
In some embodiments of the present invention, the drug adding unit further comprises a stirrer and a drug adding pump.
In some embodiments of the present invention, the in-situ starter further comprises a sensing unit;
in some embodiments of the present invention, the sensing unit comprises a pH sensing electrode and a DO sensing electrode.
In some embodiments of the present invention, the in-situ starting apparatus further comprises the water outlet unit;
in some embodiments of the invention, the outlet unit comprises a floating drain pump for achieving that the outlet is kept at a desired depth below the liquid level.
In some embodiments of the present invention, the in-situ starter further comprises the water inlet unit;
in some embodiments of the present invention, the water inlet unit includes a water inlet pump and a water inlet valve.
In some embodiments of the present invention, the real-time control unit comprises a water quality analyzer and a water quality monitoring control assembly.
The utility model aims at providing a based on inoculation normal position activated sludge, realize unit and method that short distance nitration and anaerobic ammonium oxidation technology normal position start-up fast, solve the problem of the sludge mud source shortage in the current anaerobic ammonium oxidation technology practical application process. The method is used for realizing the quick start of the sidestream anaerobic ammonia oxidation process under the condition of inoculating common activated sludge, thereby obtaining a continuous and stable inoculated sludge source and improving the application feasibility of the mainstream anaerobic ammonia oxidation process.
In order to solve the technical problem, the utility model provides a based on inoculation normal position activated sludge, realize the device that short cut nitrification and anaerobic ammonium oxidation technology normal position were started fast, through the breed waste water after the medium temperature anaerobic digestion, C/N ratio is less than 2.5, passes through aerobic hydrolysis acidizing further processing again for quality of water accords with the quality of water requirement of intaking of integration autotrophic denitrogenation sequencing batch reactor, guarantees the steady operation of anaerobic ammonium oxidation reactor debugging operation process. The utility model discloses a method and a device for realizing the rapid in-situ starting of the shortcut nitrification and anaerobic ammonia oxidation process, which can be widely used for treating urban sewage and other organic industrial wastewater containing ammonia nitrogen.
Pumping the pretreated aquaculture wastewater into an integrated autotrophic nitrogen removal sequencing batch reactor by a water inlet pump, performing staged acclimation on inoculated sludge in the reactor by controlling operating parameters such as pH, water temperature, DO, aeration modes and the like, after the reaction stage is finished, standing and precipitating the reactor for 1 hour, draining by a floating draining pump, controlling the water exchange ratio to be about 50%, and entering a first cyclic reaction period after the drainage is finished; the reaction is carried out by adding NaHCO3The pH value in the reactor is regulated, and the water temperature can be stabilized at 29 +/-2 ℃ in non-winter period due to the pretreatment of the feed water by mesophilic anaerobic digestion2The adding unit regulates and controls the content of nitrite in the reactor, the whole reactor device system realizes the on-line water quality real-time data monitoring and the timing on-off control of the operation equipment by the real-time control unit, and the system comprises the automatic water inlet and outlet, the real-time DO, the pH and the NO of the reactor2 -Control of reaction modes such as N concentration control and intermittent aeration operation.
In an exemplary embodiment, the rapid in-situ starting device for the integrated shortcut nitrification-anaerobic ammonia oxidation process mainly comprises a water inlet and outlet unit, an aeration unit, a real-time control unit, NaNO2The feeding unit and the integrated autotrophic nitrogen removal sequencing batch reactor; the water inlet and outlet unit comprises a water inlet pump, a water inlet valve and a floating draining pump, and the water inlet and outlet unit is connected through a water inlet and outlet pipe to realize the water inlet and outlet of the reactor; the aeration unit is provided with a blower, an electromagnetic air flow valve, a perforated air distribution pipe and a microporous air distribution pipe which are connected through an aeration pipe to realize the aeration of the reactor; the real-time control unit is provided with a pH and DO (dissolved oxygen content) sensing electrode, a water quality tester, a water inlet pump relay, a floating draining pump relay, a blower relay, a dosing pump relay, a water quality data acquisition and monitoring control unit and a programmable logic control cabinet, and is connected through a data signal cable to realize the real-time control of reaction parameters of the reactor; NaNO2The adding unit (namely the medicine adding unit) is provided with NaNO2A dispensing tank, a stirrer, a dosing pump, and NaNO mixed uniformly by stirring2The concentrated solution is pumped into the reactor by a dosing pump.
The perforated gas distribution pipe and the micropore gas distribution pipe arranged at the bottom of the reactor are arranged on the same horizontal bracket and are alternately distributed, and the DO concentration control in the reactor is accurately controlled through the coordinated control operation of the perforated and micropore aeration units.
The floating draining pump fixed on the liquid level of the reactor is a self-made draining unit with a draining pump fixed by a float stainless steel bracket, and the floating draining pump can keep the draining port at the required depth below the liquid level, thus effectively reducing the loss of floating sludge and having a proper amount of sludge draining function.
The real-time control unit mainly comprises a real-time water quality data acquisition and monitoring control unit, the real-time water quality data acquisition work is mainly completed by water quality sensing electrodes such as pH and DO and a water quality tester thereof, data obtained by monitoring is input into the monitoring control unit through a data signal cable, the monitoring control unit carries out threshold value judgment according to the real-time water quality data, and real-time opening and closing operation control is carried out on equipment such as a water inlet pump, a floating drainage pump, an air blower, an electromagnetic gas valve, a dosing pump and the like through a programmable logic control cabinet.
The fast in-situ starting method of the integrated shortcut nitrification-anaerobic ammonia oxidation process mainly comprises the following steps:
1) a short-cut nitrification starting stage: inoculating activated sludge in an aerobic zone of a livestock breeding wastewater treatment plant by the integrated autotrophic denitrification sequencing batch reactor, controlling the sludge concentration in the pond to be 4000-7000mg/L, controlling the pH to be 7.5-8.1, controlling the DO to be 0.7 +/-0.1 mg/L (concentration during aeration), and feeding water into the pond to be culture wastewater biogas slurry subjected to medium-temperature (30-35 ℃) anaerobic digestion (biochemical oxygen demand BOD/total nitrogen TN is less than 2); the operation mode of the reactor is as follows: feeding water for 1h, intermittently aerating in the reaction stage, stopping for 1h after every 2h of aeration, circularly repeating the steps, draining water after the reaction is finished and precipitates for 1-2h, wherein the water change ratio is 50%, and the whole reaction period is 24 h; when the water is discharged from the integrated autotrophic nitrogen removal sequencing batch reactorNO2 --the time when the N concentration is continuously higher than 50-80mg/L exceeds one week, judging that the start of the shortcut nitrification is finished;
2) anaerobic ammonia oxidation activity development stage: after the start of the short-cut nitrification is finished, gradually reducing DO to 0.15-0.25mg/L (concentration during aeration), changing the intermittent aeration mode of the reactor into a mode of stopping for 1 hour after every 1 hour of aeration, and circularly and repeatedly operating, wherein other operating modes are consistent with the short-cut nitrification start stage; when the integrated autotrophic nitrogen removal sequencing batch reactor NO2 --N and NH4 +The total removal amount of N accounts for more than 60-80% of TN removal amount, and the TN removal rate of effluent is continuously higher than 15% for more than one week, and the activity of anaerobic ammonia oxidation bacteria in the reactor is judged to be shown;
3) and (3) adding sodium nitrite for biological strengthening: the operation mode is consistent with the anaerobic ammonia oxidation activity display stage, and after the anaerobic ammonia oxidation bacteria activity in the tank is displayed, the effluent NO of the integrated autotrophic denitrification sequencing batch reactor is discharged2 -If the time that the N concentration is continuously lower than 2mg/L exceeds 7 days, judging that the anaerobic ammonia oxidizing bacteria in the pool lack NO2 --N reaction matrix for increasing NO in the reactor by adding sodium nitrite concentrate2 -N concentration until yielding NO2 -When the-N concentration is higher than 5mg/L, the adding amount is not increased any more, the adding mode is that the NO is added in batches within the reaction time period, and the NO is added in one time and is not more than 50mg/L2 --N concentration increase, when the time for the TN sludge removal load of the integrated autotrophic denitrification sequencing batch reactor to be continuously higher than 0.2kgN/kgVSS · d exceeds one week, determining that the additional sodium nitrite bioaugmentation stage is completed; the mode of adding nitrite in a staged manner ensures that the anammox bacteria in the reactor still have sufficient reaction matrix in a low DO environment, and the anammox bacteria grow rapidly.
4) The starting stage of the shortcut nitrification and anaerobic ammonia oxidation process: after the biological strengthening stage of the added sodium nitrite is completed, the DO is gradually increased, the adding amount of the sodium nitrite is gradually reduced, and when the TN removal load of the reactor is continuously higher than 0.2 kgN/kgVSS.d for more than one week under the condition that the added sodium nitrite is not added, the starting of the partial nitrification and anaerobic ammonia oxidation process is judged to be completed. In the stage, DO is gradually increased, the addition of nitrite is reduced, the biologically enhanced anammox bacteria still keeps high activity in an aerobic environment, and can compete with nitrite oxidizing bacteria for a nitrite reaction substrate, so that shortcut nitrification in the reactor is kept stable, and the rapid in-situ start of the shortcut nitrification and anammox processes is realized.
The ammonia nitrogen is required to be kept excessive all the time in the starting process of the whole shortcut nitrification and anaerobic ammonia oxidation process, and the NH of the effluent is kept4 +-N concentration greater than 5-30mg/L (by addition of NH)4HCO3The water inlet load is increased), and the temperature is 29 +/-2 ℃.
The livestock breeding wastewater enters an integrated autotrophic nitrogen removal sequencing batch reactor after being subjected to mesophilic anaerobic digestion and hydrolytic acidification pretreatment for carbon removal, and a real-time control unit controls an air blower and an electromagnetic gas flow valve to carry out intermittent aeration so that Ammonia Oxidizing Bacteria (AOB) in the reactor can oxidize NH4 +Short-range nitration of the-N moiety to NO2 -Simultaneous anammox bacteria of-N utilize NH4 +-N and NO2 --N is subjected to an anaerobic ammoxidation reaction to convert it to N2And (4) discharging. The high-efficiency and low-consumption denitrification is realized through the reaction process.
The utility model provides an inoculation mode is direct to inoculate a large amount of activated sludge in the reactor, control sludge concentration is more than or equal to 4000mg/L, make the reactor in start the initial stage will obtain all kinds of reaction bacterial of great cardinal number, through control reaction operating parameter, make AOB and anammox bacterium can enrich fast and restrain the growth of other competition bacterial, combine the sludge elutriation effect that the drainage process exists, and then realize the short distance and nitrify the normal position quick start with anammox technology.
The perforated gas distribution pipe and the microporous gas distribution pipe arranged at the bottom of the reactor are arranged on the same horizontal support, the perforated gas distribution pipe and the microporous gas distribution pipe are alternately distributed, aeration is carried out through the microporous gas distribution pipe, efficient oxygenation in the reactor can be realized, and aeration is carried out through the perforated gas distribution pipe, so that good mixing and stirring effects can be realized in the reactor under the condition of keeping low DO. And the DO in the reactor is accurately controlled by controlling perforation and micropore coordinated aeration.
After partial shortcut nitrification starting is completed, the activity of the anammox bacteria in the reactor is shown in a mode of gradually reducing DO, the nitrite generated by shortcut nitrification in the reactor is insufficient to meet the substrate concentration required by the growth of the anammox bacteria due to a lower DO environment at the stage, the rapid growth of the anammox bacteria can be realized in a mode of adding nitrite, the DO is gradually improved, the dosage of the nitrite is reduced, and the in-situ rapid starting of the shortcut nitrification and the anammox process is realized.
The technical solution of the present invention is further explained by the following specific embodiments with reference to the attached drawings. It should be noted that the following specific examples are only illustrative, and the scope of the present invention is not limited thereto.
The chemicals and raw materials used in the following examples were either commercially available or self-prepared by a known preparation method.
As shown in fig. 1, the in-situ start-up device for the integrated shortcut nitrification and anaerobic ammonia oxidation process in this embodiment includes: comprises a water inlet and outlet unit, an aeration unit, a real-time control unit and NaNO2The feeding unit and the integrated autotrophic nitrogen removal sequencing batch reactor; the water inlet and outlet unit comprises a water inlet pump 1, a water inlet valve 2 and a floating drainage pump 7, and the water inlet and outlet units are connected through a water inlet and outlet pipe to realize the water inlet and outlet of the integrated autotrophic nitrogen removal sequencing batch reactor; the aeration unit is provided with a blower 6, an electromagnetic air flow valve 3, a perforated air distribution pipe 4 and a microporous air distribution pipe 5 which are connected through an aeration pipe to realize the aeration of the integrated autotrophic nitrogen removal sequencing batch reactor; the real-time control unit is provided with a pH and DO (dissolved oxygen content) sensing electrode 8, a water quality tester 9, a water inlet pump relay, a floating drain pump relay, a blower relay, a dosing pump relay, a water quality data acquisition and monitoring control unit and a programmable logic control cabinet 11, and is connected through a data signal cable to realize the real-time control of the reaction parameters of the integrated autotrophic nitrogen removal sequencing batch reactor; NaNO2The adding unit is provided with NaNO2A dispensing tank 12, a stirrer 14, a dosing pump 13,NaNO mixed evenly by stirring2The concentrated solution is pumped into the integrated autotrophic nitrogen removal sequencing batch reactor by a dosing pump 13.
Wherein, the water inlet pump 1 pumps the pretreated livestock breeding wastewater into the integrated autotrophic nitrogen removal sequencing batch reactor in a short time;
the water inlet valve 2 is used for manually controlling the opening and closing of the water inlet pipeline;
the electromagnetic gas flow valve 3 is used for controlling the gas distribution of the perforated gas distribution pipe and the micropore gas distribution pipe;
a perforated gas distribution pipe 4 for providing a small amount of oxygenation and generating good uniform mixing and stirring effects;
the micropore air distribution pipe 5 is used for realizing high-efficiency oxygenation in the reactor;
the blower 6 is used for providing blast volume for aeration and oxygenation in the reactor;
a floating drain pump 7 for discharging the treated wastewater out of the reactor;
the pH and DO sensing electrode 8 transmits the pH and DO water quality data signals in the reactor to the water quality tester in real time;
the water quality tester 9 analyzes and displays data signals transmitted by the pH and DO sensing electrodes;
a water quality monitoring and controlling component 10 for controlling the unit operation unit in real time based on the set operation parameter threshold value;
the programmable logic control cabinet 11 controls the opening and closing of each operation unit of the unit through an electromagnetic relay according to a control signal provided by the water quality monitoring control unit;
NaNO2a dispensing tank 12 for preparing and storing NaNO2Concentrating the solution;
a dosing pump 13 for adding NaNO2Pumping the concentrated solution into an integrated autotrophic nitrogen removal sequencing batch reactor;
a stirrer 14 for stirring and mixing NaNO2And (4) concentrating the solution.
The specific implementation operation steps are as follows:
1) taking activated sludge in an aerobic zone of a livestock breeding wastewater treatment plant, and adding the activated sludge into an integrated autotrophic nitrogen removal sequencing batch reactor to ensure that the sludge concentration MLSS (Multi-layered suspended sludge System) in the tank is equal to4000 + 7000mg/L, pH 7.9 + -0.2, DO 0.7 + -0.1 mg/L (concentration during aeration), and temperature 29 + -2 deg.C. The inlet water is culture wastewater biogas slurry subjected to mesophilic anaerobic digestion (BOD/TN is less than 1.5); the operation mode of the reactor is as follows: feeding water for 1h, intermittently aerating in the reaction stage, stopping for 1h after every 2h of aeration, circularly repeating the steps, draining water after the reaction is finished and precipitates for 1-2h, wherein the water change ratio is 50%, and the whole reaction period is 24 h; when the water outlet NO of the integrated autotrophic nitrogen removal sequencing batch reactor is discharged2 --the time for which the N concentration is continuously higher than 50mg/L exceeds one week, judging that the start of the shortcut nitrification is finished;
2) after the start of the short-cut nitrification is finished, gradually reducing DO to 0.15mg/L (concentration during aeration), changing the intermittent aeration mode of the reactor into that the reactor stops for 1 hour after every aeration, and circularly and repeatedly operating, wherein other operating conditions are kept unchanged; when the integrated autotrophic nitrogen removal sequencing batch reactor NO2 --N and NH4 +The total removal amount of N accounts for more than 80% of TN removal amount, and the TN removal rate of effluent is continuously higher than 15% for more than one week, judging that the activity of anaerobic ammonia oxidation bacteria in the reactor is shown;
3) after the activity of anaerobic ammonium oxidation bacteria is shown in the tank, the effluent NO of the integrated autotrophic denitrification sequencing batch reactor2 -The N concentration gradually decreases when NO is present2 -If the time that the N concentration is continuously lower than 2mg/L exceeds 4 days, judging that the anaerobic ammonia oxidizing bacteria in the tank lack NO2 --N reaction matrix for increasing NO in the reactor by adding sodium nitrite concentrate2 -N concentration until yielding NO2 -When the-N concentration is higher than 5mg/L, the adding amount is not increased any more, the adding mode is that the NO is added in batches within the reaction time period, and the NO is added in one time and is not more than 50mg/L2 --N concentration increase, when the time for the TN sludge removal load of the integrated autotrophic denitrification sequencing batch reactor to be continuously higher than 0.2kgN/kgVSS · d exceeds one week, determining that the additional sodium nitrite bioaugmentation stage is completed;
4) after the biological strengthening stage of the added sodium nitrite is completed, the DO is gradually increased, the adding amount of the sodium nitrite is gradually reduced, and when the TN removal load of the reactor is continuously higher than 0.2 kgN/kgVSS.d for more than one week under the condition that the added sodium nitrite is not added, the starting of the partial nitrification and anaerobic ammonia oxidation process is judged to be completed.
The method and the device for realizing the shortcut nitrification and the rapid in-situ start of the anaerobic ammonia oxidation process provided by the utility model are introduced in detail, the principle and the implementation method of the utility model are explained by applying a specific example, and the explanation of the above embodiment is only used for helping to understand the utility model and the core idea thereof;
it is to be noted that, in the attached drawings or in the description, the implementation modes not shown or described are all the modes known by the ordinary skilled person in the field of technology, and are not described in detail. In addition, the above definitions of the various elements are not limited to the specific structures, shapes or modes mentioned in the embodiments, and those skilled in the art may easily modify or replace them, for example:
(1) directional phrases used in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., refer only to the orientation of the drawings and are not intended to limit the scope of the present disclosure;
(2) the embodiments described above may be mixed and matched with each other or with other embodiments based on design and reliability considerations, i.e. technical features in different embodiments may be freely combined to form further embodiments.
In summary, the content of the present specification should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a quick normal position starting drive of integral type shortcut nitrification and anaerobic ammonium oxidation which characterized in that includes:
an integrated autotrophic denitrification sequencing batch reactor;
the aeration unit is arranged on the integrated autotrophic nitrogen removal sequencing batch reactor;
the medicine adding unit is used for providing nitrite for the integrated autotrophic nitrogen removal sequencing batch reactor; and
and the real-time control unit is used for controlling the integrated autotrophic nitrogen removal sequencing batch reactor to realize the operation of each stage.
2. The quick in-situ starter of claim 1,
the aeration unit comprises a blower, a perforated gas distribution pipe and a micropore gas distribution pipe.
3. The quick in-situ starter of claim 2,
the perforation air distribution pipe and the micropore air distribution pipe are arranged on the same horizontal bracket;
wherein, the perforation gas distribution pipe and the micropore gas distribution pipe are alternately distributed.
4. The quick in-situ starter of claim 2,
the aeration unit also comprises an electromagnetic air flow valve.
5. The quick in-situ starter of claim 1,
the medicine adding unit comprises a dispensing tank.
6. The quick in-situ starter of claim 5,
the medicine adding unit further comprises a stirrer and a medicine adding pump.
7. The quick in-situ starter of claim 1,
the in-situ starting device also comprises a sensing unit;
wherein the sensing unit comprises a pH sensing electrode and a DO sensing electrode.
8. The quick in-situ starter of claim 1,
the in-situ starting device also comprises a water outlet unit;
wherein the water outlet unit comprises a floating drain pump for achieving that the drain opening is kept at a desired depth below the liquid level.
9. The quick in-situ starter of claim 1,
the in-situ starting device also comprises a water inlet unit;
wherein, the water inlet unit comprises a water inlet pump and a water inlet valve.
10. The quick in-situ starter of claim 1,
the real-time control unit comprises a water quality tester and a water quality monitoring control assembly.
CN202021210814.5U 2020-06-24 2020-06-24 Integrated shortcut nitrification and anaerobic ammonia oxidation rapid in-situ starting device Active CN212924565U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111620442A (en) * 2020-06-24 2020-09-04 安平县弘嘉环保技术有限公司 Integrated shortcut nitrification/anaerobic ammonia oxidation rapid in-situ starting method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111620442A (en) * 2020-06-24 2020-09-04 安平县弘嘉环保技术有限公司 Integrated shortcut nitrification/anaerobic ammonia oxidation rapid in-situ starting method and device

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