CN220887197U - Combined biochemical process system based on IFAS process - Google Patents
Combined biochemical process system based on IFAS process Download PDFInfo
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- CN220887197U CN220887197U CN202322504160.7U CN202322504160U CN220887197U CN 220887197 U CN220887197 U CN 220887197U CN 202322504160 U CN202322504160 U CN 202322504160U CN 220887197 U CN220887197 U CN 220887197U
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- 238000000034 method Methods 0.000 title abstract description 26
- 230000008569 process Effects 0.000 title abstract description 23
- 230000003851 biochemical process Effects 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000005352 clarification Methods 0.000 claims abstract description 36
- 239000010865 sewage Substances 0.000 claims abstract description 27
- 238000002156 mixing Methods 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 19
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 16
- 239000011574 phosphorus Substances 0.000 claims abstract description 16
- 239000010802 sludge Substances 0.000 claims description 32
- 239000007788 liquid Substances 0.000 claims description 28
- 238000010992 reflux Methods 0.000 claims description 24
- 230000001546 nitrifying effect Effects 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000005276 aerator Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 8
- 230000036632 reaction speed Effects 0.000 abstract description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The utility model relates to a combined biochemical process system based on an IFAS process, which comprises an anaerobic zone, an anoxic zone, an aerobic zone, a mixing and stirring zone and a clarification zone, wherein the water inlet end of the anaerobic zone is communicated with a water inlet pipe, the inside of the anaerobic zone is fixedly provided with an ORP analyzer, and the inside of the anaerobic zone is fixedly provided with a first stirrer; the inner side of the anoxic zone is fixedly provided with a second stirrer. According to the combined biochemical process system based on the I FAS process, through the combination of the anaerobic zone, the anoxic zone, the aerobic zone, the mixing stirring zone and the clarifying zone, the combined biochemical process can meet the treatment requirements of sewage plants on indexes such as COD, ammonia nitrogen, total phosphorus and SS, meanwhile, an intelligent automatic control system is added according to the actual operation experience of the biochemical system, the problems of low reaction speed and poor regulation mode of personnel when the system is impacted are solved for the sewage plants, and meanwhile, the problems of complex personnel operation and unstable water quality of effluent of the existing biochemical system are also solved.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a combined biochemical process system based on an IFAS process.
Background
The newly built and expanded land area of the sewage treatment plant at the present stage is insufficient, and along with the increasing strictness of the sewage treatment effluent indexes in China, the biochemical treatment of the sewage plant is gradually started to adopt a novel sewage treatment system with small occupied area and good treatment effect.
The IFAS is totally called INTEGRATED FIXED-FILM ACTIVATED Sludge (immobilized biological membrane-activated Sludge process), is a composite technology of activated Sludge and biological membrane proposed by RANDALL in 1996, combines the advantages of the activated Sludge process and the biological membrane process, and can greatly improve the biomass of a biological reaction tank.
The utility model discloses a multistage tandem sewage treatment plant based on IFAS technology as in publication No. CN215102664U, includes along the rivers direction setting gradually: the sewage treatment device comprises an anaerobic tank, an anoxic tank, an aerobic tank A, an aerobic tank B, an aerobic tank C and a sedimentation tank, wherein a water inlet pipe communicated with the outside is arranged on one side of the anaerobic tank, an air stirrer is arranged in the anaerobic tank, the top of the anaerobic tank is communicated with the anoxic tank through a water passing weir arranged in the anaerobic tank, sewage is introduced into the anaerobic tank, flows through the anaerobic tank, the anoxic tank, the aerobic tank A, the aerobic tank B, the aerobic tank C and the sedimentation tank through the water inlet pipe, fillers are arranged in the three-stage serial-connection aerobic tanks, the specific surface area of each filler is in a decreasing arrangement, the trend that the pollution load is gradually reduced along the water flow direction is met, the accumulation of the multi-stage environment of microorganisms is facilitated, a multi-stage serial-connection sewage treatment process is formed, the sewage is more targeted in different stages, the sewage treatment effect is remarkable, meanwhile, the PLC is utilized to control the opening and closing of each pipeline and the opening and closing of each auxiliary device in real time, the equipment is convenient, and the degree of automation is high.
However, the IFAS technology can only realize the function of removing COD and ammonia nitrogen in the sewage treatment biochemical system, and can not meet all treatment requirements of the existing sewage treatment plant biochemical system on indexes such as COD, ammonia nitrogen, total phosphorus, SS and the like;
because the biochemical treatment process belongs to a complicated biological treatment process, and the fluctuation of water inflow, the fluctuation of water quality and the environmental influence are more, the adjustment of the biochemical system by manual work only can have the problems of low reaction speed, poor adjustment mode and the like, so the combined biochemical process system based on the IFAS process is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a combined biochemical process system based on an IFAS process, which has the advantages of good treatment effect and the like, and solves the problems of low reaction speed and poor adjustment mode.
In order to achieve the above purpose, the present invention provides the following technical solutions: the combined biochemical process system based on the IFAS process comprises an anaerobic zone, an anoxic zone, an aerobic zone, a mixing and stirring zone and a clarification zone, wherein the water inlet end of the anaerobic zone is communicated with a water inlet pipe, the inside of the anaerobic zone is fixedly provided with an ORP analyzer, and the inside of the anaerobic zone is fixedly provided with a first stirrer;
A second stirrer is fixedly arranged on the inner side of the anoxic zone;
The inner side of the aerobic zone is fixedly provided with a liquid level meter, the inner side of the aerobic zone is fixedly provided with a MISS instrument, the inner side of the aerobic zone is fixedly provided with an aerator, the inner side of the aerobic zone is filled with suspended filler, the inner side of the aerobic zone is fixedly connected with a water outlet screen, the inner wall of the aerobic zone is fixedly provided with a fan, and the inner side of the aerobic zone is fixedly provided with a dissolved oxygen instrument;
The inside of the mixing and stirring area is fixedly provided with a nitrate nitrogen instrument, and the inside of the mixing and stirring area is fixedly provided with a nitrifying liquid reflux pump;
The utility model discloses a sewage treatment device, including clarification district, SS appearance, total phosphorus appearance, sludge reflux pump, sludge pump, scraping and sucking machine, swash plate/pipe are fixed to the inboard fixed mounting of clarification district, the inboard fixed mounting of clarification district has the SS appearance, the inboard fixed mounting of clarification district has the total phosphorus appearance, the inboard fixed mounting of clarification district has the sludge pump, the inboard fixed mounting of clarification district has the scraping and sucking machine.
Further, the water inlet end of the water inlet pipe is communicated with the sewage output end, and a water inlet valve is fixedly arranged on the outer side of the water inlet pipe.
Further, the number of the fans is a plurality, and the fans are symmetrically distributed on the aerobic zone at equal intervals.
Further, the number of the inclined plates/inclined pipes is a plurality, and the inclined plates/inclined pipes are equidistantly distributed on the inner side of the clarification area.
Further, the liquid inlet end of the nitrifying liquid reflux pump is communicated with the liquid outlet end of the aerobic zone, and the liquid inlet end of the sludge reflux pump is communicated with the sludge discharge end in the clarification zone.
Further, the anoxic zone is also provided with automatic carbon source feeding equipment, and the mixing and stirring zone is also provided with PAC automatic dosing equipment
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
According to the combined biochemical process system based on the IFAS process, through the combination of the anaerobic zone, the anoxic zone, the aerobic zone, the mixing stirring zone and the clarifying zone, the combined process can meet the treatment requirements of sewage plants on indexes such as COD, ammonia nitrogen, total phosphorus and SS, meanwhile, an intelligent automatic control system is added to the formed combined biochemical process according to the actual running experience of a biochemical system, the problems of low reaction speed and poor regulation mode of personnel when the system is impacted in the sewage plants are solved, and meanwhile, the problems of complex personnel operation and unstable water quality of the existing biochemical system are also solved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a combined process of the present invention;
FIG. 3 is a flow chart of a biochemical process for structural assembly according to the present invention.
In the figure: 1. an anaerobic zone; 11. a water inlet pipe; 12. ORP analyzer; 13. a first agitator; 2. an anoxic zone; 21. a second stirrer; 3. an aerobic zone; 31. a liquid level gauge; 32. a MISS instrument; 33. an aerator; 34. suspending filler; 35. a water outlet screen; 36. a dissolved oxygen meter; 4. mixing and stirring areas; 41. a nitrate nitrogen instrument; 42. a nitrifying liquid reflux pump; 5. a clarification zone; 51. swash plate/pipe; 52. an SS instrument; 53. total phosphorus instrument; 54. a mud scraping and sucking machine; 55. a sludge reflux pump; 56. a mud pump; 6. a blower.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, a combined biochemical process system based on the IFAS process in this embodiment includes an anaerobic zone 1, an anoxic zone 2, an aerobic zone 3, a mixing and stirring zone 4, and a clarification zone 5;
the water inlet end of the anaerobic zone 1 is communicated with a water inlet pipe 11, the water inlet end of the water inlet pipe 11 is communicated with the sewage output end, a water inlet valve is fixedly installed on the outer side of the water inlet pipe 11 and used for adjusting water inflow, a water inlet flowmeter positioned at the water outlet end of the water inlet pipe 11 is fixedly installed on the inner side of the anaerobic zone 1, a user monitors water inflow, an ORP analyzer 12 is fixedly installed on the inner side of the anaerobic zone 1 and used for observing oxidation-reduction potential of the anaerobic zone 1, and a first stirrer 13 is fixedly installed on the inner side of the anaerobic zone 1 and used for mixing and pushing sewage and activated sludge.
A second stirrer 21 is fixedly arranged on the inner side of the anoxic zone 2 and is used for mixing sewage and activated sludge and plug flow.
The inner side of the aerobic zone 3 is fixedly provided with a liquid level meter 31 for measuring the liquid level of the aerobic tank, the inner side of the aerobic zone 3 is fixedly provided with a MISS instrument 32 for measuring the sludge concentration of the aerobic tank, the inner side of the aerobic zone 3 is fixedly provided with an aerator 33 for releasing an oxygenation gas source, the inner side of the aerobic zone 3 is filled with a suspension filler 34 for increasing the number of strains of the aerobic tank and increasing the processing capacity and the processing effect of the system, and the inner side of the aerobic zone 3 is fixedly connected with a water outlet screen 35 for preventing the suspension filler 34 of the aerobic tank from flowing out of the tank body;
The inner wall of the aerobic zone 3 is fixedly provided with a plurality of fans 6 which are used as air sources for oxygenation of the aerobic tank, the fans 6 are symmetrically distributed on the aerobic zone 3 at equal intervals, the air outlet end of each fan 6 is fixedly provided with an adjustable air inlet valve for air inflow adjustment, and the inner side of the aerobic zone 3 is fixedly provided with a dissolved oxygen meter 36 for measuring dissolved oxygen of the aerobic tank;
The anoxic zone 2 is also provided with automatic carbon source adding equipment which is positioned at the inlet of the anoxic zone 2 for adding carbon source, thereby ensuring denitrification effect and ensuring that the total nitrogen in the effluent reaches the standard stably.
The inside of the mixing and stirring zone 4 is fixedly provided with a nitrate nitrogen instrument 41 for measuring nitrate nitrogen in the effluent of the aerobic tank, the inside of the mixing and stirring zone 4 is fixedly provided with a nitrifying liquid reflux pump 42, the liquid inlet end of the nitrifying liquid reflux pump 42 is communicated with the liquid outlet end of the aerobic zone 3 and is used for nitrifying liquid reflux of the effluent of the aerobic tank, and the liquid inlet end of the nitrifying liquid reflux pump 42 is communicated with the liquid outlet end of the aerobic zone 3;
The mixing and stirring area 4 is also provided with PAC automatic dosing equipment for chemical dephosphorization and enhancing sludge flocculation to enable the PAC automatic dosing equipment to quickly settle and baffle the weir for liquid medicine mixing.
The inside of the clarification zone 5 is fixedly provided with an inclined plate/pipe 51: the device is used for quickly separating mud from water, so that the ascending flow rate of a clarification tank can reach 1.5-2.1 m 3 per square meter h, the number of the inclined plates/inclined pipes 51 is a plurality, the inclined plates/inclined pipes 51 are equidistantly distributed on the inner side of the clarification area 5, and flushing equipment positioned above the inclined plates/inclined pipes 51 is fixedly arranged on the inner side of the clarification area 5 and used for flushing the inclined plates/inclined pipes 51;
The inside of the clarification area 5 is fixedly provided with an SS instrument 52, the inside of the clarification area 5 is fixedly provided with a total phosphorus instrument 53, the inside of the clarification area 5 is fixedly provided with a sludge reflux pump 55 for sludge reflux, a liquid inlet end of the sludge reflux pump 55 is communicated with a sludge discharge end in the clarification area 5, the inside of the clarification area 5 is fixedly provided with a sludge discharge pump 56 for residual sludge discharge, and the inside of the clarification area 5 is fixedly provided with a sludge scraping and sucking machine 54 for sucking precipitated sludge.
In this embodiment, through the combination of the anaerobic zone 1, the anoxic zone 2, the aerobic zone 3, the mixing and stirring zone 4 and the clarification zone 5, the combined process can meet the treatment requirements of sewage plants on indexes such as COD, ammonia nitrogen, total phosphorus, SS and the like, meanwhile, the formed combined biochemical process is provided with an intelligent automatic control system according to the actual running experience of a biochemical system, so that the problems of low reaction speed and poor regulation mode of personnel when the system is impacted are solved for the sewage plants, and meanwhile, the problems of complex personnel operation and unstable water quality of the existing biochemical system are also solved.
Note that, the self-control logic in the present application is:
the automatic carbon source adding equipment automatically controls the adding amount of the carbon source through the ratio of COD of the inlet water to total nitrogen and total nitrogen of the outlet water;
PAC automatic feeding equipment: the adding amount can be automatically controlled according to the total phosphorus condition of the effluent;
Accurate aeration: the on-site effluent ammonia nitrogen, DO, a fan 6 and other equipment are utilized to accurately aerate the aerobic tank, so that the risk of exceeding the standard of the system effluent is reduced while the energy is saved and the consumption is reduced;
Reflux automatic adjustment: automatically adjusting the reflux quantity according to the water inflow of the system;
Automatic control of sludge discharge: intermittent mud discharge is carried out by setting mud discharge time;
Automatic flushing of the inclined plate/inclined tube: the swash plate/pipe 51 is automatically flushed according to the time setting system.
The working principle of the embodiment is as follows:
The inflow water firstly enters the anaerobic zone 1, then sequentially enters the anoxic zone 2, the aerobic zone 3, the mixing and stirring zone 4 and the clarification zone 5, a nitrifying liquid reflux pump 42 is arranged in the mixing and stirring zone 4 to reflux to the water inlet end of the anaerobic tank, and a sludge reflux pump 55 is arranged in the clarification zone 5 to reflux to the water inlet end of the anaerobic zone 1;
In the aerobic section, nitrifying bacteria in the activated sludge and the suspended filler 34 ammonify ammonia and ammonia formed by ammonifying ammonia nitrogen and organic chlorine in sewage into nitrate through biological nitrification:
In the anoxic section, denitrifying bacteria convert nitrate brought by nitrifying liquid reflux into nitrogen gas to escape into the atmosphere through biological denitrification, thereby achieving the aim of denitrification:
in the anaerobic section, the phosphorus accumulating bacteria release abdominal phosphorus and absorb easily degradable organic matters such as lower fatty acid and the like: in the aerobic section, the phosphorus accumulating bacteria can absorb the phosphorus in excess and remove the phosphorus by discharging the residual sludge;
In the clarification area 5, mud and water are rapidly separated by a high-efficiency inclined plate/inclined pipe 51 clarification technology, and finally the combined process system is used for removing pollutants such as COD, ammonia nitrogen, total nitrogen, SS and the like required by a sewage plant.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a combination biochemical technology system based on IFAS technology, includes anaerobic zone (1), anoxic zone (2), aerobiotic zone (3), mixed stirring district (4) and clarification district (5), its characterized in that: the water inlet end of the anaerobic zone (1) is communicated with a water inlet pipe (11), an ORP analyzer (12) is fixedly arranged on the inner side of the anaerobic zone (1), and a first stirrer (13) is fixedly arranged on the inner side of the anaerobic zone (1);
A second stirrer (21) is fixedly arranged on the inner side of the anoxic zone (2);
The device comprises a liquid level meter (31) fixedly arranged on the inner side of an aerobic zone (3), a MISS instrument (32) fixedly arranged on the inner side of the aerobic zone (3), an aerator (33) fixedly arranged on the inner side of the aerobic zone (3), a suspension filler (34) filled in the inner side of the aerobic zone (3), a water outlet screen (35) fixedly connected with the inner side of the aerobic zone (3), a fan (6) fixedly arranged on the inner wall of the aerobic zone (3), and a dissolved oxygen instrument (36) fixedly arranged on the inner side of the aerobic zone (3);
The inside of the mixing and stirring area (4) is fixedly provided with a nitrate nitrogen instrument (41), and the inside of the mixing and stirring area (4) is fixedly provided with a nitrifying liquid reflux pump (42);
the utility model discloses a sludge treatment system, including clarification district (5), SS appearance (52), total phosphorus appearance (53), sludge reflux pump (55), sludge discharge pump (56), dredge machine (54) are installed to inboard fixed mounting in clarification district (5), swash plate/pipe chute (51) are installed to inboard fixed mounting in clarification district (5), the inboard fixed mounting in clarification district (5), total phosphorus appearance (53) are installed to inboard fixed mounting in clarification district (5), sludge discharge pump (55) are installed to inboard fixed mounting in clarification district (5).
2. The IFAS claimed in claim 1, wherein: the water inlet end of the water inlet pipe (11) is communicated with the sewage output end, and a water inlet valve is fixedly arranged on the outer side of the water inlet pipe (11).
3. The IFAS claimed in claim 1, wherein: the number of the fans (6) is a plurality, and the fans (6) are equidistantly and symmetrically distributed on the aerobic zone (3).
4. The IFAS claimed in claim 1, wherein: the number of the inclined plates/inclined pipes (51) is a plurality, and the inclined plates/inclined pipes (51) are equidistantly distributed on the inner side of the clarification area (5).
5. The IFAS claimed in claim 1, wherein: the liquid inlet end of the nitrifying liquid reflux pump (42) is communicated with the liquid outlet end of the aerobic zone (3), and the liquid inlet end of the sludge reflux pump (55) is communicated with the sludge discharge end in the clarification zone (5).
6. The IFAS claimed in claim 1, wherein: the anoxic zone (2) is also provided with automatic carbon source adding equipment, and the mixing and stirring zone (4) is also provided with automatic PAC dosing equipment.
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