CN217148725U - Sequencing batch sewage treatment system using activated sludge - Google Patents
Sequencing batch sewage treatment system using activated sludge Download PDFInfo
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- CN217148725U CN217148725U CN202221079686.4U CN202221079686U CN217148725U CN 217148725 U CN217148725 U CN 217148725U CN 202221079686 U CN202221079686 U CN 202221079686U CN 217148725 U CN217148725 U CN 217148725U
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- 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
Abstract
The utility model discloses a sequencing batch sewage treatment system using activated sludge, which comprises a return channel, a first anoxic pond, an anaerobic pond, a second anoxic pond, an aerobic pond and a first sequencing batch pond; the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank and the first sequencing batch tank are sequentially and adjacently arranged and communicated along the running direction, and activated sludge containing microorganisms is placed in the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank and the first sequencing batch tank; the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank, the first sequencing batch tank and the reflux channel are all of structures with open upper parts; layout structure is compact, both can ensure the purification rate of the ammonia nitrogen and the total phosphorus of the sewage of exporting to first preface batch pond, the condition of convenient clearance and observation dross again.
Description
Technical Field
The utility model relates to a sewage treatment technical field especially relates to an use activated sludge's sequencing batch sewage treatment system.
Background
Because municipal sewage is from various sources and contains pollutants and the concentration often has larger fluctuation, A with good water quality change adaptability needs to be adopted 2 The O sewage treatment device and the SBR sewage treatment device are combined to achieve the aim that the purified water quality meets the discharge standard, and the A in the prior art 2 The O sewage treatment device and the SBR sewage treatment device both adopt a circulation structure which is arranged separately and closed at the top, are not beneficial to the observation of the sewage liquid level and the cleaning of scum, occupy large space and waste land resources.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a sequencing batch sewage treatment system using activated sludge with compact layout and open top.
To achieve the purpose, the utility model adopts the following technical proposal:
a sequencing batch sewage treatment system using activated sludge comprises a backflow channel, a first anoxic tank, an anaerobic tank, a second anoxic tank, an aerobic tank and a first sequencing batch tank;
the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank and the first sequencing batch tank are sequentially arranged adjacently and communicated along the running direction, and activated sludge containing microorganisms is placed in the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank and the first sequencing batch tank; the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank, the first sequencing batch tank and the reflux channel are all of structures with open upper parts;
the backflow channel surrounds the peripheries of the first anoxic tank, the anaerobic tank and the second anoxic tank, and is respectively communicated with the first anoxic tank, the anaerobic tank, the second anoxic tank and the aerobic tank; a first backflow pump is arranged at the communication position of the backflow channel and the first anoxic tank, and the input end and the output end of the first backflow pump are respectively communicated with the first anoxic tank and the backflow channel; the adjacent tank walls of the second anoxic tank and the aerobic tank are provided with a second reflux pump, and the input end and the output end of the second reflux pump are respectively communicated with the aerobic tank and the second anoxic tank;
the input end of the backflow channel is communicated with the output end of the aeration grit chamber and inputs sewage to be treated by activated sludge, and the output end of the first sequencing batch tank is communicated with the input end of the magnetic coagulation treatment tank and outputs sewage treated by activated sludge.
In some embodiments, a second sequencing batch pool is also included;
the first sequencing batch tank and the second sequencing batch tank are respectively close to the left side and the right side of the backflow channel, the input end of the second sequencing batch tank and the input end of the first sequencing batch tank are respectively communicated with the aerobic tank, and the second sequencing batch tank and the first sequencing batch tank are respectively communicated with the input end of the magnetic coagulation treatment tank.
In a further embodiment, the system further comprises a mud-water separation tank;
the sludge-water separation tank is arranged between the first anoxic tank and the anaerobic tank, the input end of the sludge-water separation tank is communicated with the output end of the aeration grit chamber, and the output end of the sludge-water separation tank is communicated with the input end of the first anoxic tank;
the mud-water separation tank comprises a plurality of supernatant overflow tanks which are adjacently arranged along the running direction.
Further, the device also comprises an air input device;
the air input device comprises an air blower, a first air input pipe, a second air input pipe and a third air input pipe, and the air blower is arranged beside the aerobic tank; first air input pipe support is located the top or the bottom in good oxygen pond, first air input pipe is equipped with a plurality of being located the delivery outlet of the bottom in good oxygen pond, second air input pipe with third air input pipe install respectively in first preface criticize the pond with the top of the pool wall in pond is criticized to the second preface, second air input pipe is equipped with a plurality of being located the delivery outlet of the bottom side in pond is criticized to first preface, third air input pipe is equipped with a plurality of being located the delivery outlet of the bottom side in pond is criticized to the second preface.
Preferably, the slag remover also comprises a slag skimming pipe;
the two skimming pipes are suspended at the top of the first sequential batch pool and the top of the second sequential batch pool, and the skimming pipes are in contact with the liquid level of the first sequential batch pool or the liquid level of the second sequential batch pool.
The device further comprises a floating drum stirrer, wherein the top of the floating drum stirrer is provided with a skimmer;
the first oxygen deficiency pond, the anaerobism pond, the second oxygen deficiency pond, the second preface pond with at least one is all installed to first preface pond the flotation pontoon agitator.
Further, the device also comprises a sludge pump;
the first sequencing batch pond and the second sequencing batch pond are both provided with at least two sludge pumps.
Preferably, the backflow channel is provided with a first weir gate, a second weir gate and a third weir gate;
the first weir gate is installed in the first oxygen deficiency pond with the intercommunication department of backward flow channel, first backflow pump install in the below of first weir gate, the second weir gate install in the anaerobism pond with the intercommunication department of backward flow channel, the anaerobism pond with the intercommunication department of backward flow channel with the anaerobism pond with the intercommunication department of second oxygen deficiency pond all installs the third weir gate.
Furthermore, the device also comprises a water inlet pipe and a water outlet pipe;
the water inlet pipe is arranged at the communication position of the input end of the mud-water separation tank and the output end of the aeration grit chamber, and is provided with a water inlet gate;
the water outlet pipes are arranged at the communication part of the output end of the second sequencing batch pond and the input end of the magnetic coagulation treatment pond and the communication part of the output end of the first sequencing batch pond and the input end of the magnetic coagulation treatment pond, and are provided with water outlet gates;
a return gate is arranged at the communication position of the return channel and the aerobic tank;
the horizontal plane of the bottom surface of the backflow channel is lower than the horizontal plane of the bottom surface of the first anoxic tank, the horizontal plane of the bottom surface of the anaerobic tank, the horizontal plane of the bottom surface of the second anoxic tank and the horizontal plane of the bottom surface of the aerobic tank.
Further, the device also comprises a submersible stirrer;
the submersible stirrers are respectively arranged on two sides of the water outlet pipe, which are positioned at the input end of the second sequencing batch pool or the first sequencing batch pool.
The utility model discloses an above-mentioned technical scheme's beneficial effect does: adopts activated sludge to carry out continuous and intermittent sewage treatment through a first anoxic tank, an anaerobic tank, a second anoxic tank, an aerobic tank and a first sequencing batch tank which are arranged adjacently, and has the advantages of A 2 O sewage treatment and SBR sewage treatment, and through the backward flow channel, first backwash pump and second backwash pump make sewage obtain circulation treatment between first oxygen deficiency pond, anaerobism pond, second oxygen deficiency pond and good oxygen pond, and first oxygen deficiency pond, anaerobism pond, second oxygen deficiency pond, good oxygen pond, pond and backward flow channel are criticized to first preface all adopt the open structure in top, and overall arrangement is compact, both can ensure the purification rate of ammonia nitrogen and total phosphorus of the sewage of output to pond is criticized to first preface, the condition of dross is conveniently cleared up and observed again.
Drawings
FIG. 1 is a plan view of an embodiment of a sequencing batch sewage treatment system using activated sludge according to the present invention;
FIG. 2 is a schematic view showing the layout of the air inlet device and each weir gate of the sequencing batch sewage treatment system using activated sludge according to the present invention;
FIG. 3 is a schematic view showing the layout of each gate and submersible mixer of the sequencing batch sewage treatment system using activated sludge according to the present invention;
wherein: a water inlet pipe 1; a water outlet pipe 2; a first anoxic tank 3; an anaerobic tank 4; a second anoxic tank 5; an aerobic tank 6; a first sequencing batch pool 7; a second sequencing batch pool 8; a mud-water separation tank 9; a return channel 10; a pontoon stirrer 11; a second reflux pump 12; a sludge pump 13; an air input 14; a skimming tube 15; a submersible mixer 16; a first reflux pump 17; a water outlet gate 21; a first weir gate 101; a second weir gate 102; a third weir gate 103; a water inlet gate 104; a return gate 105; a skimmer 111; a blower 140; a first air input pipe 141; a second air input 142; a third air input pipe 143.
Detailed Description
The technical solution of the present invention will be further explained by the following embodiments with reference to the attached drawings 1-3.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the present embodiments, certain elements of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
A sequencing batch sewage treatment system using activated sludge comprises a backflow channel 10, a first anoxic tank 3, an anaerobic tank 4, a second anoxic tank 5, an aerobic tank 6 and a first sequencing batch tank 7;
the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the aerobic tank 6 and the first sequencing batch tank 7 are sequentially and adjacently arranged and communicated along the running direction, and activated sludge containing microorganisms is placed in the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the aerobic tank 6 and the first sequencing batch tank 7; the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the aerobic tank 6, the first sequencing batch tank 7 and the reflux channel 10 are all of structures with open upper parts;
the backflow channel 10 surrounds the peripheries of the first anoxic tank 3, the anaerobic tank 4 and the second anoxic tank 5, and the backflow channel 10 is respectively communicated with the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5 and the aerobic tank 6; a first backflow pump 17 is arranged at the communication position of the backflow channel 10 and the first anoxic tank 3, and the input end and the output end of the first backflow pump 17 are respectively communicated with the first anoxic tank 3 and the backflow channel 10; the adjacent tank walls of the second anoxic tank 5 and the aerobic tank 6 are provided with a second reflux pump 12, and the input end and the output end of the second reflux pump 12 are respectively communicated with the aerobic tank 6 and the second anoxic tank 5;
the input end of the backflow channel 10 is communicated with the output end of the aeration grit chamber and inputs sewage to be treated by activated sludge, and the output end of the first sequencing batch tank 7 is communicated with the input end of the magnetic coagulation treatment tank and outputs sewage treated by activated sludge.
As shown in figures 1-3, the sequencing batch sewage treatment system using activated sludge of the present invention employs activated sludge to perform continuous intermittent sewage treatment through a first anoxic tank 3, an anaerobic tank 4, a second anoxic tank 5, an aerobic tank 6 and a first sequencing batch tank 7 which are adjacently arranged, and has the function of A 2 O sewage treatment and SBR sewage treatment, and through the reflux channel 10 and the first channelThe reflux pump 17 and the second reflux pump 12 enable sewage to be circularly treated between the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5 and the aerobic tank 6, the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the aerobic tank 6, the first sequencing batch tank 7 and the reflux channel 10 are of open-top structures, the layout structure is compact, the purification rate of ammonia nitrogen and total phosphorus of the sewage output to the first sequencing batch tank 7 can be guaranteed, and the condition of scum is conveniently cleaned and observed.
In some embodiments, a second sequencing batch pool 8 is also included;
the first sequencing batch tank 7 and the second sequencing batch tank 8 are respectively close to the left side and the right side of the backflow channel 10, the input end of the second sequencing batch tank 8 and the input end of the first sequencing batch tank 7 are respectively communicated with the aerobic tank 6, and the second sequencing batch tank 8 and the first sequencing batch tank 7 are respectively communicated with the input end of the magnetic coagulation treatment tank.
As shown in fig. 1 to 3, the sequencing batch sewage treatment system using activated sludge, which is provided with two sequencing batch reactors, has a sewage treatment capacity with a greater flow rate.
In a further embodiment, the system also comprises a mud-water separation tank 9;
the mud-water separation tank 9 is arranged between the first anoxic tank 3 and the anaerobic tank 4, the input end of the mud-water separation tank 9 is communicated with the output end of the aeration grit chamber, and the output end of the mud-water separation tank 9 is communicated with the input end of the first anoxic tank 3;
the mud-water separation tank 9 comprises a plurality of supernatant overflow tanks which are adjacently arranged along the running direction.
As shown in fig. 1 to 3, the sludge-water separation tank 9 is used to effectively separate sludge from sewage introduced from the aeration grit chamber by overflowing supernatant several times, thereby improving the working efficiency of the sequencing batch sewage treatment system using activated sludge.
Further, an air input device 14 is also included;
the air input device 14 comprises a blower 140, a first air input pipe 141, a second air input pipe 142 and a third air input pipe 143, and the blower 140 is arranged beside the aerobic tank 6; the first air input pipe 141 is erected at the top or the bottom of the aerobic tank 6, the first air input pipe 141 is provided with a plurality of output ports located at the bottom of the aerobic tank 6, the second air input pipe 142 and the third air input pipe 143 are respectively installed at the tops of the tank walls of the first sequential batch tank 7 and the second sequential batch tank 8, the second air input pipe 142 is provided with a plurality of output ports located at the bottom side edge of the first sequential batch tank 7, and the third air input pipe 143 is provided with a plurality of output ports located at the bottom side edge of the second sequential batch tank 8.
As shown in FIG. 3, the first air input pipe 141, the second air input pipe 142 and the third air input pipe 143 respectively input air into the aerobic tank 6, the first sequencing batch tank 7 and the second sequencing batch tank 8, so that oxygen required for aerobic treatment or sequencing batch treatment of sewage can be provided.
Further, a skimming pipe 15 is also included;
two skimming pipes 15 are suspended at the top of the first sequencing batch pool 7 and the top of the second sequencing batch pool 8, and the skimming pipes 15 are in contact with the liquid level of the first sequencing batch pool 7 or the liquid level of the second sequencing batch pool 8.
As shown in fig. 2-3, the scum from the liquid level of the first sequential cell 7 or the scum from the liquid level of the second sequential cell 8 can be filtered out by the scum pipe 15.
Preferably, the device further comprises a buoy stirrer 11, wherein a skimmer 111 is arranged at the top of the buoy stirrer 11;
the first anoxic pond 3, the anaerobic pond 4, the second anoxic pond 5, the second sequencing batch pond 8 and the first sequencing batch pond 7 are all provided with at least one buoy stirrer 11.
As shown in fig. 2 and 3, the fluidity and the contact chance of the sewage and the activated sludge in the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the second sequencing batch tank 8 or the first sequencing batch tank 7 can be increased by the pontoon stirrer 11, thereby improving the purification efficiency of ammonia nitrogen and total phosphorus, and scum on the sewage level in the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the second sequencing batch tank 8 or the first sequencing batch tank 7 can be removed by the skimmer 111 provided at the top of the pontoon stirrer 11.
Further, a sludge pump 13 is also included;
the first sequencing batch tank 7 and the second sequencing batch tank 8 are both provided with at least two sludge pumps 13.
As shown in fig. 2-3, the excess activated sludge is discharged from the bottom of the first sequencing batch pond 7 or the bottom of the second sequencing batch pond 8 through a sludge pump 13, so as to achieve the purpose of removing organic matters and phosphorus contained in the sludge.
Preferably, the return channel 10 is provided with a first weir gate 101, a second weir gate 102 and a third weir gate 103;
the first weir gate 101 is installed at the communication position of the first anoxic pond 3 and the backflow channel 10, the first backflow pump 17 is installed below the first weir gate 101, the second weir gate 102 is installed at the communication position of the anaerobic pond 4 and the backflow channel 10, the communication position of the anaerobic pond 4 and the backflow channel 10 and the communication position of the anaerobic pond 4 and the second anoxic pond 5 are both provided with the third weir gate 103.
As shown in fig. 2 and 3, the flow rate and flow rate of the sewage input to the first anoxic tank 3, the anaerobic tank 4 and the second anoxic tank 5 may be controlled by the first weir 101, the second weir 102 and the third weir 103, respectively.
Further, the device also comprises a water inlet pipe 1 and a water outlet pipe 2;
the water inlet pipe 1 is arranged at the communication position of the input end of the mud-water separation tank 9 and the output end of the aeration grit chamber, and the water inlet pipe 1 is provided with a water inlet gate 104;
the water outlet pipe 2 is arranged at the communication position of the output end of the second sequencing batch pond 8 and the input end of the magnetic coagulation treatment pond and the communication position of the output end of the first sequencing batch pond 7 and the input end of the magnetic coagulation treatment pond, and the water outlet pipe 2 is provided with a water outlet gate 21;
a return gate 105 is arranged at the communication position of the return channel 10 and the aerobic tank 6;
the horizontal plane of the bottom surface of the return channel 10 is lower than the horizontal plane of the bottom surface of the first anoxic tank 3, the horizontal plane of the bottom surface of the anaerobic tank 4, the horizontal plane of the bottom surface of the second anoxic tank 5 and the horizontal plane of the bottom surface of the aerobic tank 6.
As shown in fig. 3, the flow rate and flow rate of wastewater to be treated, which is inputted from the aerated grit chamber to the sequencing batch wastewater treatment system using activated sludge, can be controlled by the inlet sluice 104, and the flow rate and flow rate of wastewater treated with activated sludge, which is outputted from the sequencing batch wastewater treatment system using activated sludge to the magnetic coagulation treatment tank, can be controlled by the outlet sluice 21.
Excessive activated sludge accumulated in the aerobic tank 6 can be conveyed to the return channel 10 through the return lock 105 and the return pump 12, and then conveyed to the first anoxic tank 3, the anaerobic tank 4 or the second anoxic tank 5 for recycling through the first weir gate 101, the second weir gate 102 and the third weir gate 103, so that the recycling rate of the activated sludge is improved.
Further, a submersible stirrer 16 is also included;
the submersible stirrers 16 are respectively arranged on two sides of the water outlet pipe 2 at the input end of the second sequencing batch pool 8 or the first sequencing batch pool 7.
As shown in fig. 3, the outlet pipe 2 is prevented from being clogged with activated sludge by opening the submersible mixer 16 simultaneously with the opening of the outlet gate 21.
In summary, as shown in fig. 1-3, the embodiment of the present invention employs activated sludge to perform continuous and intermittent sewage treatment through the first anoxic tank 3, the anaerobic tank 4, the second anoxic tank 5, the aerobic tank 6 and the first sequencing batch tank 7 which are arranged adjacently, and has a function of a 2 O sewage treatment and SBR sewage treatment, and through the return current channel 10, first backwash pump 17 and second backwash pump 12 make sewage obtain circulation treatment between first oxygen deficiency pond 3, anaerobism pond 4, second oxygen deficiency pond 5 and good oxygen pond 6, and first oxygen deficiency pond 3, anaerobism pond 4, second oxygen deficiency pond 5, good oxygen pond 6, first preface pond 7 and return current channel 10 all adopt the open structure in top, overall arrangement compact structure, both can ensure the ammonia nitrogen of the sewage of exporting to first preface pond 7 and the purification rate of total phosphorus, the condition of convenient clearance and observation dross again.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and is not to be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A sequencing batch sewage treatment system using activated sludge is characterized by comprising a backflow channel, a first anoxic tank, an anaerobic tank, a second anoxic tank, an aerobic tank and a first sequencing batch tank;
the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank and the first sequencing batch tank are sequentially arranged adjacently and communicated along the running direction, and activated sludge containing microorganisms is placed in the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank and the first sequencing batch tank; the first anoxic tank, the anaerobic tank, the second anoxic tank, the aerobic tank, the first sequencing batch tank and the reflux channel are all of structures with open upper parts;
the backflow channel surrounds the peripheries of the first anoxic tank, the anaerobic tank and the second anoxic tank, and is respectively communicated with the first anoxic tank, the anaerobic tank, the second anoxic tank and the aerobic tank; a first backflow pump is arranged at the communication position of the backflow channel and the first anoxic tank, and the input end and the output end of the first backflow pump are respectively communicated with the first anoxic tank and the backflow channel; the adjacent tank walls of the second anoxic tank and the aerobic tank are provided with a second reflux pump, and the input end and the output end of the second reflux pump are respectively communicated with the aerobic tank and the second anoxic tank;
the input end of the backflow channel is communicated with the output end of the aeration grit chamber and inputs sewage to be treated by activated sludge, and the output end of the first sequencing batch tank is communicated with the input end of the magnetic coagulation treatment tank and outputs sewage treated by activated sludge.
2. The sequencing batch sewage treatment system using activated sludge of claim 1 further comprising a second sequencing batch tank;
the first sequencing batch tank and the second sequencing batch tank are respectively close to the left side and the right side of the backflow channel, the input end of the second sequencing batch tank and the input end of the first sequencing batch tank are respectively communicated with the aerobic tank, and the second sequencing batch tank and the first sequencing batch tank are respectively communicated with the input end of the magnetic coagulation treatment tank.
3. The sequencing batch sewage treatment system using activated sludge according to claim 2 further comprising a sludge-water separation tank;
the sludge-water separation tank is arranged between the first anoxic tank and the anaerobic tank, the input end of the sludge-water separation tank is communicated with the output end of the aeration grit chamber, and the output end of the sludge-water separation tank is communicated with the input end of the first anoxic tank;
the mud-water separation tank comprises a plurality of supernatant overflow tanks which are adjacently arranged along the running direction.
4. The sequencing batch sewage treatment system using activated sludge of claim 2 further comprising an air input device;
the air input device comprises an air blower, a first air input pipe, a second air input pipe and a third air input pipe, and the air blower is arranged beside the aerobic tank; first air input pipe support is located the top or the bottom in good oxygen pond, first air input pipe is equipped with a plurality of being located the delivery outlet of the bottom in good oxygen pond, second air input pipe with third air input pipe install respectively in first preface criticize the pond with the top of the pool wall in pond is criticized to the second preface, second air input pipe is equipped with a plurality of being located the delivery outlet of the bottom side in pond is criticized to first preface, third air input pipe is equipped with a plurality of being located the delivery outlet of the bottom side in pond is criticized to the second preface.
5. The sequencing batch sewage treatment system using activated sludge of claim 2 further comprising a skimmer pipe;
the two skimming pipes are suspended at the top of the first sequential batch pool and the top of the second sequential batch pool, and the skimming pipes are in contact with the liquid level of the first sequential batch pool or the liquid level of the second sequential batch pool.
6. The sequencing batch sewage treatment system using activated sludge of claim 2 further comprising a pontoon stirrer, the top of the pontoon stirrer being provided with a skimmer;
the first oxygen deficiency pond, the anaerobism pond, the second oxygen deficiency pond, the second preface pond with at least one is all installed to first preface pond the flotation pontoon agitator.
7. The sequencing batch sewage treatment system using activated sludge of claim 2 further comprising a sludge pump;
the first sequencing batch pond and the second sequencing batch pond are both provided with at least two sludge pumps.
8. The sequencing batch sewage treatment system using activated sludge of claim 2 wherein the return channel is provided with a first weir gate, a second weir gate and a third weir gate;
the first weir gate is installed in the first oxygen deficiency pond with the intercommunication department of backward flow channel, first backflow pump install in the below of first weir gate, the second weir gate install in the anaerobism pond with the intercommunication department of backward flow channel, the anaerobism pond with the intercommunication department of backward flow channel with the anaerobism pond with the intercommunication department of second oxygen deficiency pond all installs the third weir gate.
9. The sequencing batch sewage treatment system using activated sludge of claim 3 further comprising a water inlet pipe and a water outlet pipe;
the water inlet pipe is arranged at the communication position of the input end of the mud-water separation tank and the output end of the aeration grit chamber, and is provided with a water inlet gate;
the water outlet pipes are arranged at the communication part of the output end of the second sequencing batch pond and the input end of the magnetic coagulation treatment pond and the communication part of the output end of the first sequencing batch pond and the input end of the magnetic coagulation treatment pond, and are provided with water outlet gates;
a return gate is arranged at the communication position of the return channel and the aerobic tank;
the horizontal plane of the bottom surface of the backflow channel is lower than the horizontal plane of the bottom surface of the first anoxic tank, the horizontal plane of the bottom surface of the anaerobic tank, the horizontal plane of the bottom surface of the second anoxic tank and the horizontal plane of the bottom surface of the aerobic tank.
10. The sequencing batch sewage treatment system using activated sludge of claim 9 further comprising a submersible agitator;
the submersible stirrers are respectively arranged on two sides of the water outlet pipe, which are positioned at the input end of the second sequencing batch pool or the first sequencing batch pool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221079686.4U CN217148725U (en) | 2022-05-07 | 2022-05-07 | Sequencing batch sewage treatment system using activated sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221079686.4U CN217148725U (en) | 2022-05-07 | 2022-05-07 | Sequencing batch sewage treatment system using activated sludge |
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| CN217148725U true CN217148725U (en) | 2022-08-09 |
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| CN202221079686.4U Active CN217148725U (en) | 2022-05-07 | 2022-05-07 | Sequencing batch sewage treatment system using activated sludge |
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