CN211004787U - Synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system for sewage - Google Patents
Synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system for sewage Download PDFInfo
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Abstract
The utility model provides a synchronous short-cut denitrification of sewage-partial nitrosation-anammox system, supreme area that separates into following intercommunication through the baffle is followed to the reactor wherein from down: a short-range denitrification area, a partial nitrosation-anaerobic ammoxidation area and a three-phase separation area; the sewage and the reflux liquid containing nitrate nitrogen enter a short-range denitrification area, and nitrate nitrogen is reduced into nitrite nitrogen by short-range denitrifying bacteria while organic matters are removed; water containing ammonia nitrogen and nitrite nitrogen passes through a part of nitrosation-anaerobic ammonia oxidation zone, part of the ammonia nitrogen is oxidized into nitrite nitrogen by ammonia oxidizing bacteria, meanwhile, the rest ammonia nitrogen and nitrite nitrogen are denitrified by anaerobic ammonia oxidizing bacteria, and a first clapboard is arranged between the water and the short-range denitrification zone; the three-phase separation zone is used for separating the treated product, and a second partition plate is arranged between the three-phase separation zone and a part of nitrosation-anaerobic ammonia oxidation zone; the three-phase separation zone is provided with a three-phase separator, and the reflux liquid after three-phase separation is pumped to the short-distance denitrification zone through a reflux port.
Description
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to synchronous short-cut denitrification of sewage-part nitrosation-anaerobic ammonium oxidation system.
Background
With the rapid development of economic society and the acceleration of urbanization process in China, the discharge amount of wastewater is continuously increased, a large amount of nitrogen is discharged into a water body along with industrial wastewater, agricultural wastewater and domestic sewage, so that the ecological environment is seriously damaged, meanwhile, the human health is seriously threatened, and the wastewater denitrification is an important outstanding problem to be solved urgently for water environment pollution in China.
At present, the traditional biological nitrification/denitrification is still the mainstream process of sewage denitrification, but the traditional biological nitrification/denitrification has the defects of large occupied area, high energy consumption, low denitrification efficiency, addition of a large amount of organic carbon sources and the like, so that the development of a novel high-efficiency and low-energy-consumption denitrification technology has important research value in the field of water pollution control.
Anaerobic ammonia oxidation is a novel biological denitrification process, and the basic principle is as follows: the anaerobic ammonia oxidizing bacteria directly convert ammonia nitrogen and nitrite nitrogen into nitrogen under anaerobic condition. Compared with the traditional nitrification-denitrification process, the method can save 60 percent of aeration amount, 100 percent of organic carbon source and 90 percent of operating cost, has no N2O discharge and low sludge yield (about 90 percent reduction), and is considered to be the most economic and effective biological denitrification process with wide application prospect so far.
Patent CN 103214092A discloses a shortcut nitrification-anaerobic ammonium oxidation biological denitrification device, this technology passes through P L C system control whole operation, and process control and terminal control have been synthesized, the flexible response is intake ammonia nitrogen load fluctuation condition, it is strong to bear the ammonia nitrogen impact load ability, the instability of anaerobic ammonium oxidation technology operation under the condition has been avoided in the quality of water change, however, anaerobic ammonium oxidation can produce a certain amount of nitrate nitrogen (accounting for about 11% of the total nitrogen that gets rid of in the intake) in the reaction process theoretically, when it is applied to high ammonia nitrogen wastewater treatment process, system effluent nitrate nitrogen concentration will be far greater than the theoretical calculated value, lead to total nitrogen clearance all the time to be less than 90%, the total nitrogen of effluent is difficult to reach standard.
Patent CN 104150590B discloses a high-efficiency economical bioreactor for synchronously removing nitrate nitrogen and ammonia nitrogen, which realizes synchronous denitrification and carbon removal without aeration, but the substrate (nitrite nitrogen) required by anaerobic ammonia oxidation in the bioreactor is derived from short-range denitrification, the anaerobic ammonia oxidation is unstable under the condition of water quality change, the hydraulic impact resistance is poor, and the removal load is limited by range denitrification.
Disclosure of Invention
The utility model aims at the above-mentioned prior art defect, provide a synchronous short-cut denitrification of sewage-part nitrosation-anammox system and method, this system and method can improve anammox denitrogenation effect to realize the synchronous of nitrate nitrogen and ammonia nitrogen and get rid of.
In order to achieve the above purpose, the technical scheme of the utility model is that: a synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system for sewage comprises a reactor, wherein the reactor is divided into three communicated areas from bottom to top by partition plates, namely a short-cut denitrification area, a partial nitrosation-anaerobic ammonia oxidation area and a three-phase separation area; the short-range denitrification area is connected with the water inlet and the return port and is used for reducing nitrate nitrogen in the sludge to nitrite nitrogen through short-range denitrifying bacteria inoculated in the area and removing organic matters in the sewage; the partial nitrosation-anaerobic ammonia oxidation zone is used for removing ammonia nitrogen in the sewage treated by the short-range denitrification zone through ammonia oxidizing bacteria and anaerobic ammonia oxidizing bacteria inoculated in the sludge in the zone (the ammonia oxidizing bacteria and the anaerobic ammonia oxidizing bacteria are used for simultaneously carrying out the following two reactions, namely, the reaction for oxidizing the ammonia nitrogen into nitrite nitrogen under the action of the ammonia oxidizing bacteria and the reaction for converting the ammonia nitrogen and the nitrite nitrogen into nitrogen and generating nitrate nitrogen under the action of the anaerobic ammonia oxidizing bacteria), and a first clapboard is arranged between the partial nitrosation-anaerobic ammonia oxidation zone and the short-range denitrification zone; the three-phase separation zone is used for separating products treated by the partial nitrosation-anaerobic ammonia oxidation zone, and a second partition plate is arranged between the three-phase separation zone and the short-range denitrification zone; the three-phase separation zone is provided with a three-phase separator, and the reflux after three-phase separation is pumped to the short-distance denitrification zone through a reflux port.
It can be seen that in the system of the utility model, the short-range denitrification area of the reactor has the main functions that firstly, nitrate nitrogen originally existing in sewage and nitrate nitrogen in reflux are subjected to short-range denitrification by short-range denitrifying bacteria, namely, denitrification is carried out to generate nitrite nitrogen; and secondly, consuming organic matters in the water through short-range denitrification, namely removing carbon. The effect in part nitrosation-anaerobic ammonia oxidation district is the ammonia nitrogen of getting rid of the aquatic, the utility model discloses a carry out two steps of reactions simultaneously in the part nitrosation-anaerobic ammonia oxidation district: firstly, ammonia oxidizing bacteria convert part of ammonia nitrogen into nitrite nitrogen; secondly, converting nitrite nitrogen and residual ammonia nitrogen into N by anaerobic ammonium oxidation bacteria2And nitrate nitrogen is generated. The three-phase separation zone is used for separating gas from liquid and a small amount of sludge, discharging gas and water, and returning reflux liquid to the short-distance denitrification zone.
Furthermore, an aeration device is arranged in the partial nitrosation-anaerobic ammonia oxidation zone, the aeration device comprises an aeration disc and an air compressor connected with a flow meter on an air inlet pipeline through the air inlet pipeline, and the aeration disc is arranged at the bottom of the partial nitrosation-anaerobic ammonia oxidation zone.
The device is used for filling compressed air into the nitrosation-anaerobic ammoxidation according to the change of the pH value and the dissolved oxygen concentration in the nitrosation-anaerobic ammoxidation region for aeration so as to ensure that the reaction is more sufficient.
Further, the utility model discloses the system still includes the constant temperature water bath and sets up the outside constant temperature water bath layer of reactor, the water inlet on the outside constant temperature water bath layer of reactor is linked together through water bath circulating pump and water pipe and constant temperature water bath with the delivery port, forms the water bath circulation, provides the constant temperature for the reactor.
Short distance denitrification reaction, nitrosation reaction and anaerobic ammonium oxidation reaction all need suitable temperature, the utility model discloses a constant temperature water bath is in with the setting the outside constant temperature water bath layer of reactor provides required temperature for above-mentioned reaction is real-time.
Furthermore, the system of the utility model also comprises a raw water tank, wherein the raw water tank is used for containing raw sewage and is communicated to a water inlet at the bottom of the short-distance denitrification area through a water inlet pump; the reflux liquid flowing out of the reflux port of the three-phase separator is communicated to a water inlet at the bottom of the short-distance denitrification area through a reflux pump; the three-phase separator also comprises an exhaust pipe and a water outlet, wherein the exhaust pipe is used for exhausting the separated gas; the water outlet is used for discharging the separated water which passes through the overflow groove.
Raw water inflow and reflux are two main sources of substances to be treated in a short-range denitrification area, and as is well known to those skilled in the art, a reactor is provided with a sludge discharge treatment part for discharging sludge at regular time.
Furthermore, the utility model discloses the system still includes P L C automatic control device, P L C automatic control device includes P L C controller, quality of water multi-parameter universal controller, touch-sensitive screen and online electrode, PC L controller is connected intake pump, backwash pump, flowmeter, touch-sensitive screen and quality of water multi-parameter universal controller, P L C controller controls the flow of one or more in the flowmeter, intake pump, backwash pump through the data of quality of water multi-parameter universal controller feedback and/or the instruction of touch-sensitive screen input, quality of water multi-parameter universal controller is connected at the line electrode, is used for receiving the quality of water data that online electrode carried, sends P L C controller after handling, online electrode is used for the quality of water data in the real-time collection and the control reactor to feed back to quality of water multi-parameter universal controller.
Still further, the online electrode comprises a pH electrode and a DO electrode which are arranged in the partial nitrosation-anaerobic ammonia oxidation zone, and the pH electrode and the DO electrode are respectively used for online obtaining of the pH value and the dissolved oxygen in the partial nitrosation-anaerobic ammonia oxidation zone; the online electrode also comprises an ORP electrode and an ammonia nitrogen electrode which are arranged in the three-phase separation area, and the ORP electrode and the ammonia nitrogen electrode in the three-phase separation area are respectively used for monitoring the oxidation-reduction potential and the ammonia nitrogen concentration of the three-phase separation area.
Furthermore, the first partition board and the second partition board are distributed with uniform holes with the aperture of 1cm, and a screen mesh with 10 meshes is paved on the partition boards.
Further, the volume ratio of the short-range denitrification area to the partial nitrosation-anaerobic ammonia oxidation area is 1 (2-4); sampling ports are distributed on the side walls of the short-range denitrification zone, the partial nitrosation-anaerobic ammoxidation zone and the three-phase separation zone of the reactor; the short-range denitrification area and the partial nitrosation-anaerobic ammonia oxidation area of the reactor are respectively filled with K3 biological filler and polyurethane foam biological filler, and the filling volume ratio is 30-50%.
The utility model relates to a synchronous short-cut denitrification of sewage-partial nitrosation-anaerobic ammonia oxidation system is carrying out synchronous short-cut denitrification of sewage-partial nitrosation-anaerobic ammonia oxidation when handling, including following step:
s1, adding sludge rich in short-range denitrifying bacteria into the short-range denitrifying region, wherein the concentration of inoculated sludge is 3000-6000 mg/L, adding sludge rich in ammonia oxidizing bacteria and anaerobic ammonia oxidizing bacteria into the partial nitrosation-anaerobic ammonia oxidation region, and the concentration of inoculated sludge is 2000-4000 mg/L;
s2, enabling the sewage to enter the short-range denitrification area from the bottom of the short-range denitrification area, simultaneously opening a return port (13), enabling return liquid containing nitrate nitrogen and the sewage to fully react with inoculated sludge in the short-range denitrification area, converting the nitrate nitrogen into nitrite nitrogen and removing organic matters in water;
s3, enabling the sewage treated in the step S2 to enter a partial nitrosation-anaerobic ammonia oxidation zone, enabling the sewage to fully react with inoculated sludge, enabling a part of ammonia nitrogen to generate nitrite nitrogen through ammonia oxidizing bacteria, and simultaneously enabling the anaerobic ammonia oxidizing bacteria to convert the rest ammonia nitrogen and nitrite nitrogen into N2And nitrate nitrogen is generated;
s4, separating the sewage treated in the step S3 in a three-phase separator, and returning the return liquid from the bottom of the short-range denitrification area to the short-range denitrification area through a return port.
And further, before the step S1, opening a constant-temperature water bath to form hot water circulation with an external constant-temperature water bath layer of the reactor, starting each part of a P L C automatic control device before the step S2, monitoring the dissolved oxygen concentration in the reactor in real time through a DO electrode to control the dissolved oxygen concentration in a partial nitrosation-anaerobic ammonia oxidation zone within the range of 0.1-0.3 mg/L through a flowmeter, monitoring the ammonia nitrogen concentration in the reactor through an ammonia nitrogen electrode to adjust the water inflow and reflux ratio by controlling the flow of a water inflow pump and a reflux pump to realize that the ammonia nitrogen concentration in a three-phase separation zone is less than 5 mg/L, wherein the flow of the reflux pump is greater than the flow of the water inflow pump.
Compared with the prior art, the utility model has the following advantage: 1) synchronous denitration, decarbonization and denitrogenation can be completed by the single-stage reactor; 2) pre-short-range denitrification is carried out to remove organic matters in raw water and provide a matrix for anaerobic ammonium oxidation bacteria; 3) partial nitrosation-anaerobic ammonia oxidation combined with short-cut denitrification to reduce NO in effluent3 -The method comprises the steps of (1) content improving the total nitrogen removal rate and realizing deep denitrification of wastewater, (4) adding different bioactive fillers in different areas, which is beneficial to optimizing functional bacteria habitat and can effectively reduce strain loss rate, and (5) recording and reflecting reactor operation parameters in real time based on multi-electrode (DO, pH and ammonia nitrogen) online combined monitoring, controlling automatic operation through a P L C system, and being stable and efficient.
Drawings
These and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following detailed description of the embodiments of the invention, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a synchronous short-cut denitrification-partial nitrosation-anammox system for sewage according to an embodiment of the present invention;
wherein: 1-raw water tank; 2-a water inlet pump; 3-a water inlet; 5, a partition board; 6, an aeration disc; 8-DO online electrode; 9-pH on-line electrode; 10-a three-phase separator; 11-ammonia nitrogen electrode; 12-ORP electrode; 13-reflux port; 14-water outlet; 15-an overflow tank; 16-an exhaust port; 17-a gas flow meter; 18-an air compressor; 20-water quality multi-parameter universal controller; 21-a touch screen; 22-reflux pump; 23-water bath circulating pump; 24-constant temperature water bath; 25-water outlet tank.
Detailed Description
In order to better understand the present invention for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system is shown in figure 1 and comprises a raw water tank 1, a reactor, a P L C automatic control device, an aeration device and an effluent water tank 25;
the reactor comprises three parts which are communicated, namely a short-range denitrification area, a partial nitrosation-anaerobic ammoxidation area and a three-phase separation area from bottom to top in sequence; the lower part of the short-range denitrification area is directly communicated with the water inlet-sludge discharge area, a first partition plate 5 is arranged between the top of the short-range denitrification area and the bottom of part of the nitrosation-anaerobic ammonia oxidation area, the top of part of the nitrosation-anaerobic ammonia oxidation area is connected with the bottom of the three-phase separation area through a second partition plate 26, a gas discharge pipe of the three-phase separator 10 is connected with a water seal, suspended fillers are arranged in the short-range denitrification area, a filler support is arranged in part of the nitrosation-anaerobic ammonia oxidation area, polyurethane foam bioactive fillers are filled in the fillers and are uniformly distributed in the reaction area, an aeration disc 6 is arranged at the bottom of part of the nitrosation-anaerobic ammonia oxidation area, an overflow trough 15 is arranged in the three-phase separator 10 and is connected with a water outlet 14, and the side.
The bottom of the reactor is provided with a water inlet 13, the inflow of the raw water tank 1 is controlled by a water inlet pump 2, the return flow returned from the return port of the three-phase separator 10 is controlled by a return pump 22, the return flow passes through the water inlet 13 and is discharged into a short-distance denitrification area at the bottom of the reactor, a water outlet 14 and an exhaust port 16 are arranged at the top, and sampling ports are arranged at different heights on the side surface; it can be seen that the reactor is provided with a reflux system comprising a reflux pipe and a reflux pump, wherein the upper end of the reflux pipe is communicated with the bottom of the three-phase separator 10, and the lower end of the reflux pipe is communicated with the bottom of the short-distance denitrification area of the reactor through the reflux pump.
A constant temperature water bath layer is arranged outside the reactor, wherein a water bath water inlet and a water bath water outlet are connected with the constant temperature water bath 24 through a water bath circulating pump and a water pipe to form water bath circulation and provide constant temperature for the reactor.
The aeration device comprises an air compressor 18, a gas flowmeter 17, a pressure reducing valve and an aeration disc 6 which are connected through an air inlet pipe, wherein the aeration disc is arranged at the bottom of a part of nitrosation-anaerobic ammonia oxidation zone.
The P L C automatic control device comprises a DO electrode 8, a pH electrode 9, an ORP electrode 12 and an ammonia nitrogen electrode 11 which are arranged in the reactor, the electrodes are all connected with a P L C controller through a water quality multi-parameter universal controller 20, the P L C controller and a touch screen 21 are also part of the P L C automatic control device, and the P L C automatic control device is used for automatically controlling data obtained on line through the electrodes or inputting instructions through the touch screen 21 to control the flow of a gas flowmeter 17, a reflux pump 22 and a water inlet pump 2 and the flow ratio of the reflux pump 22 and the water inlet pump 2, and finally realizing the automatic operation of controlling the aeration intensity, the water inlet amount and the reflux ratio through a dissolved oxygen and ammonia nitrogen combined control mode.
The first partition board 5 and the second partition board 26 are distributed with holes with the uniform aperture of 1cm, and a screen mesh with 10 meshes is laid on the boards.
The volume ratio of the denitrification area to the partial nitrosation-anaerobic ammoxidation area in the reactor is 1 (2-4).
Example 2
A synchronous short-cut denitrification-partial nitrosation-anammox method for sewage, which uses the synchronous short-cut denitrification-partial nitrosation-anammox system for sewage of example 1, comprising the following steps:
s1, adding sludge rich in short-range denitrifying bacteria into the short-range denitrifying region, wherein the concentration of inoculated sludge is 3000-6000 mg/L, adding sludge rich in ammonia oxidizing bacteria and anaerobic ammonia oxidizing bacteria into the partial nitrosation-anaerobic ammonia oxidation region, and the concentration of inoculated sludge is 2000-4000 mg/L;
s2, enabling the sewage to enter the short-range denitrification area from the bottom of the short-range denitrification area, simultaneously opening a return port (13), enabling return liquid containing nitrate nitrogen and the sewage to fully react with inoculated sludge in the short-range denitrification area, converting the nitrate nitrogen into nitrite nitrogen and removing organic matters in water;
s3, enabling the sewage treated in the step S2 to enter a partial nitrosation-anaerobic ammonia oxidation zone, enabling the sewage to fully react with inoculated sludge, enabling a part of ammonia nitrogen to generate nitrite nitrogen through ammonia oxidizing bacteria, and simultaneously enabling the anaerobic ammonia oxidizing bacteria to convert the rest ammonia nitrogen and nitrite nitrogen into N2And nitrate nitrogen is generated;
s4, separating the sewage treated in the step S3 in a three-phase separator, and returning the reflux to the short-distance denitrification area from the bottom of the short-distance denitrification area through a reflux port.
Preferably, before the step of S1, the step of opening the constant temperature water bath to form a hot water circulation with the external constant temperature water bath layer of the reactor;
preferably, each part of the P L C automatic control device is started before the step S2, the dissolved oxygen concentration in the reactor is monitored in real time through a DO electrode 8, so that the dissolved oxygen concentration in a partial nitrosation-anaerobic ammonia oxidation zone is controlled within the range of 0.1-0.3 mg/L through a flowmeter 17, the ammonia nitrogen concentration in the reactor is monitored through an ammonia nitrogen electrode 11, the flow and the regulation of the inflow water and reflux ratio are carried out through controlling valves of a water inlet pump 2 and a reflux pump 22, and the ammonia nitrogen concentration in a three-phase separation zone is less than 5 mg/L;
preferably, the flow rate of the return pump 22 is greater than the flow rate of the feed pump 2.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A synchronous short-cut denitrification-partial nitrosation-anaerobic ammonia oxidation system for sewage is characterized by comprising a reactor, wherein the reactor is divided into three communicated areas from bottom to top by partition plates, and the three communicated areas sequentially comprise a short-cut denitrification area, a partial nitrosation-anaerobic ammonia oxidation area and a three-phase separation area;
the short-range denitrification area is connected with the water inlet and is used for reducing nitrate nitrogen in the inlet water into nitrite nitrogen through short-range denitrification bacteria and removing organic matters in the sewage;
the partial nitrosation-anaerobic ammonia oxidation zone is used for oxidizing part of ammonia nitrogen in the inlet water treated by the short-range denitrification zone into nitrite nitrogen through ammonia oxidizing bacteria, and simultaneously converting the rest ammonia nitrogen and nitrite nitrogen into N through anaerobic ammonia oxidation2And nitrate nitrogen is generated, and a first clapboard (5) is arranged between the nitrate nitrogen and the short-distance denitrification area;
the three-phase separation zone is used for separating products treated by the partial nitrosation-anaerobic ammonia oxidation zone, and a second clapboard (26) is arranged between the three-phase separation zone and the partial nitrosation-anaerobic ammonia oxidation zone;
the three-phase separation zone is provided with a three-phase separator (10), and the reflux liquid after three-phase separation is pumped to the short-range denitrification zone through a reflux port (13).
2. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 1,
an aeration device is arranged in the partial nitrosation-anaerobic ammonia oxidation zone, the aeration device comprises an aeration disc (6) and an air compressor (18) connected with a flow meter (17) on an air inlet pipeline through the air inlet pipeline, and the aeration disc is arranged at the bottom of the partial nitrosation-anaerobic ammonia oxidation zone.
3. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 1,
still include constant temperature water bath (24) and set up the outside constant temperature water bath layer of reactor, the water inlet on the outside constant temperature water bath layer of reactor is linked together through water bath circulating pump (23) and water pipe and constant temperature water bath (24) with the delivery port, forms the water bath circulation, provides invariable temperature for the reactor.
4. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 1,
the device is characterized by also comprising a raw water tank (1), wherein the raw water tank (1) is used for containing raw sewage and is communicated to a water inlet (3) at the bottom of the short-range denitrification zone through a water inlet pump (2);
the return liquid flowing out of the return port (13) of the three-phase separator (10) is communicated to a water inlet (3) at the bottom of the short-distance denitrification area through a return pump (22);
the three-phase separator (10) further comprises an exhaust pipe (16) and a water outlet (14), wherein the exhaust pipe (16) is used for exhausting the separated gas; the water outlet (14) is used for discharging the separated water which passes through the overflow groove (15).
5. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 2 or 4,
the automatic water quality control system also comprises a P L C automatic control device, wherein the P L C automatic control device comprises a P L C controller, a water quality multi-parameter universal controller (20), a touch screen (21) and an online electrode;
the P L C controller is connected with a water inlet pump (2), a reflux pump (22), a flow meter (17), a touch screen (21) and a water quality multi-parameter universal controller (20), and the P L C controller controls the flow of one or more of the flow meter (17), the water inlet pump (2) and the reflux pump (22) through data fed back by the water quality multi-parameter universal controller (20) and/or instructions input by the touch screen (21);
the water quality multi-parameter universal controller (20) is connected to the wire electrode, is used for receiving water quality data conveyed by the wire electrode, and sends the water quality data to the P L C controller after being processed;
the online electrode is used for collecting and monitoring water quality data in the reactor in real time and feeding back the data to the water quality multi-parameter universal controller (20).
6. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 5,
the on-line electrode comprises a PH electrode (9) and a DO electrode (8) which are arranged in a partial nitrosation-anaerobic ammonia oxidation zone;
the on-line electrode also comprises an ORP electrode (12) and an ammonia nitrogen electrode (11) which are arranged in the three-phase separation zone.
7. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 1, wherein said first partition (5) and second partition (26) are distributed with uniform holes with a diameter of 1cm, and a 10 mesh screen is laid on the partitions.
8. The synchronous short-cut denitrification-partial nitrosation-anammox system of sewage of claim 1, wherein the volume ratio of the short-cut denitrification zone to the partial nitrosation-anammox zone is 1: 2-4; sampling ports are distributed on the side walls of the short-range denitrification zone, the partial nitrosation-anaerobic ammoxidation zone and the three-phase separation zone of the reactor; the short-range denitrification area and the partial nitrosation-anaerobic ammonia oxidation area of the reactor are respectively filled with K3 biological filler and polyurethane foam biological filler, and the filling volume ratio is 30-50%.
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