CN221876783U - Integrated sewage treatment equipment - Google Patents
Integrated sewage treatment equipment Download PDFInfo
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- CN221876783U CN221876783U CN202420203885.4U CN202420203885U CN221876783U CN 221876783 U CN221876783 U CN 221876783U CN 202420203885 U CN202420203885 U CN 202420203885U CN 221876783 U CN221876783 U CN 221876783U
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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
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Abstract
The application relates to an integrated sewage treatment device, wherein an anaerobic tank and an anoxic tank are designed into a cylindrical tank body, a central water flow area and an external filler area are sequentially nested in the cylindrical tank body from inside to outside, sewage enters the central water flow area from an external water inlet pipe, spreads from the central water flow area to the peripheral external filler area, flows to an aerobic tank and a sedimentation tank at the rear end after being treated by biological reaction filler of the external filler area, and flows in the anaerobic tank and the anoxic tank are baffled up and down, so that a longer sewage treatment flow can be obtained under the condition of small occupied area of the device, the microbial reaction time is increased, more biological filler volume can be obtained by effectively utilizing the depth of the device, more filler can be put in, and a better sewage treatment effect is obtained; meanwhile, compared with a square treatment tank, no dead angle exists in the cylindrical tank body, so that sludge is not easy to store, and the sewage treatment effect is better.
Description
Technical Field
The application relates to the technical field of sewage treatment, in particular to integrated sewage treatment equipment.
Background
With the development of society, no matter in cities or rural areas, water pollution is serious, professional sewage treatment equipment is needed to treat sewage, and the sewage is discharged to river basin after reaching the standard. In rural areas or remote areas, large-scale sewage treatment equipment is generally inconvenient to put in, and therefore, integrated small-scale sewage treatment equipment is generally adopted for sewage treatment. The traditional integrated small sewage treatment equipment adopts a square treatment tank, and sewage is transversely pushed to flow through a microbial reaction area of the square treatment tank so as to realize dephosphorization and denitrification. Square processing cells typically have the following problems: in a certain occupied area, the sewage flow of the square treatment tank is shorter, the microbial reaction time is shorter, a better denitrification and dephosphorization effect cannot be obtained, and if a sewage flow with a longer distance is to be obtained, the occupied area needs to be increased, and the sewage treatment cost is increased; in addition, the square treatment tank has dead angles, the mobility of sewage at the dead angles is poor, and the sludge is easy to store, so that the sewage treatment effect is affected, and the treated water quality is difficult to reach the emission standard.
Disclosure of utility model
Based on the above, the application provides an integrated sewage treatment device, which adopts a nested cylinder treatment tank, so that water flow is deflected up and down in the treatment tank, the sewage flowing distance is prolonged, the microbial reaction time is prolonged, and a better sewage purification effect can be obtained; meanwhile, the space of the anoxic tank or the anaerobic tank can be separated in a manner of nesting a plurality of cylinders, and the packing can be distributed in part of the space according to the requirement, so that higher microorganism concentration is obtained, the treatment efficiency of the reactor is improved, and meanwhile, a better volume utilization rate is obtained in a smaller occupied area, so that the sewage treatment equipment is miniaturized.
The application provides integrated sewage treatment equipment, which comprises an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank; the anaerobic tank and the anoxic tank are cylindrical tank bodies, and the cylindrical tank bodies are sequentially nested with a central water flow area and an external filling area from inside to outside; the bottom of the central water flow area of the anaerobic tank is communicated with the outside through a water inlet pipe, the top end of the central water flow area of the anaerobic tank is communicated with the top end of the external packing area of the anaerobic tank, the bottom end of the external packing area of the anaerobic tank is communicated with the central water flow area of the anoxic tank, and the top end of the central water flow area of the anoxic tank is communicated with the top end of the external packing area of the anoxic tank; the bottom of the anoxic tank is communicated with the bottom of the aerobic tank through a pipe section; the top end of the aerobic tank is communicated with the top end of the sedimentation tank; an outflow weir leading to the outside is arranged at one side of the top end of the sedimentation tank, which is far away from the aerobic tank; the external filler zone of the anaerobic tank is filled with a first biological reaction filler, and the external filler zone of the anoxic tank is filled with a second biological reaction filler.
Optionally, a disc type rotational flow water distributor is arranged in the central water flow area of the anaerobic tank and/or the central water flow area of the anoxic tank; the disc type rotational flow water distributor comprises a water distribution pipe which is spirally arranged in a central water flow area; the water distribution pipe is provided with a plurality of first water outlets which are inclined upwards so as to form a rotational flow which is inclined upwards, and/or the water distribution pipe is provided with a plurality of second water outlets which are inclined downwards so as to stir the sludge at the bottom of the anaerobic tank or the anoxic tank.
Optionally, the disc type cyclone water distributor comprises a circle of water pipes coiled at the bottom of the central water flow area; or the disk type cyclone water distributor comprises a plurality of circles of water pipes which spiral from the bottom of the central water flow area.
Optionally, the ratio between the cross-sectional diameter of the central water flow area of the anaerobic tank and the cross-sectional diameter of the anaerobic tank is N, and N is greater than 1/4 and less than 1/2; and/or the ratio between the cross-sectional diameter of the central water flow area of the anoxic tank and the cross-sectional diameter of the anoxic tank is M, wherein M is more than 1/4 and less than 1/2.
Optionally, the packing ratio of the external packing area of the anaerobic tank is any ratio between 40% and 60%; and/or the packing ratio of the external packing area of the anoxic tank is any ratio between 40 percent and 60 percent.
Optionally, an aeration disc is arranged at the bottom of the aerobic tank, and the aeration disc is connected with oxygen supply equipment and a blower and is used for conveying oxygen into the aerobic tank.
Optionally, a first backflow channel is further arranged between the aerobic tank and the external packing area of the anaerobic tank; a reflux pump is arranged at one end of the first reflux channel, which is close to the aerobic tank; the first reflux channel is used for refluxing nitrified liquid in the aerobic tank to an external packing area of the anaerobic tank so as to realize nitrogen removal.
Optionally, a second reflux channel is arranged between the sedimentation tank and the central water flow area of the anaerobic tank; a sludge pump is arranged at one end of the second return channel, which is close to the sedimentation tank; the rear end of the sludge pump is connected with a flow dividing valve, one end of the flow dividing valve is connected with the sludge tank and used for discharging sludge, and the other end of the flow dividing valve is connected to a central water flow area of the anaerobic tank through a pipe section so as to enable sinking sewage of the sedimentation tank to flow back to the central water flow area to achieve dephosphorization.
Optionally, the water inlet pipe is also provided with an electromagnetic flowmeter and a lift pump; the electromagnetic flowmeter is used for collecting water inflow; the lift pump is used for controlling water inflow.
Optionally, the tops of the anaerobic tank, the anoxic tank, the aerobic tank and the sedimentation tank are all provided with round manholes.
The integrated sewage treatment equipment overcomes the defects of large occupied area, short biological reaction time, easy accumulation of sludge, substandard sewage treatment effect and the like of the traditional square sewage treatment equipment, the anaerobic tank and the anoxic tank are designed into the cylindrical tank body, the central water flow area and the external filler area are sequentially nested in the cylindrical tank body from inside to outside, sewage enters the central water flow area from the external water inlet pipe and then spreads from the central water flow area to the peripheral external filler area, and flows to the aerobic tank and the sedimentation tank at the rear end after being treated by the biological reaction filler of the external filler area, and water flows in the anaerobic tank and the anoxic tank are baffled up and down, so that a longer sewage treatment flow can be obtained under the condition of smaller occupied area of the equipment, the microbial reaction time is increased, more biological filler volume can be obtained by effectively utilizing the depth of the equipment, more fillers can be put in, and a better sewage treatment effect can be obtained; meanwhile, compared with a square treatment tank, no dead angle exists in the cylindrical tank body, so that sludge is not easy to store, and the sewage treatment effect is better.
Drawings
Fig. 1 is a schematic structural view of an integrated sewage treatment apparatus according to an embodiment of the present application.
Fig. 2 is a top view of an integrated wastewater treatment facility in accordance with an embodiment of the present application.
FIG. 3 is a cross-sectional view of an integrated wastewater treatment facility in accordance with an embodiment of the present application.
FIG. 4 is a schematic layout view of a water distribution pipe of an integrated sewage treatment apparatus according to an embodiment of the present application;
fig. 5 is a schematic view of a control room of an integrated sewage treatment apparatus according to an embodiment of the present application.
Reference numerals: 1. an anaerobic tank; 2. an anoxic tank; 3. an aerobic tank; 301. an aeration disc; 4. a sedimentation tank; 401. a water outlet weir; 5. a control room; 501. an oxygen supply device; 502. a blower; 6. a water inlet pipe; 7. a first bioreaction filler; 8. a second bioreaction filler; 9. a water distribution pipe; 901. a first water outlet hole; 902. a second water outlet hole; 10. a first return channel; 11. a second return passage; 12. a reflux pump; 13. a sludge pump; 14. a first diverter valve; 15. a second shunt valve; 16. an electromagnetic flowmeter; 17. a lift pump; 18. a circular manhole; A. a central water flow zone; B. and an outer packing region.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "several" means at least two. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
The integrated sewage treatment equipment provided by the embodiment of the application can be applied to remote areas or sewage treatment scenes with small sewage treatment capacity, a longer sewage treatment flow and a longer microbial reaction time can be obtained through the integrated sewage treatment equipment with a smaller volume, and the sludge accumulation can be prevented, so that a better sewage treatment effect can be obtained.
As seen in conjunction with fig. 1, 2, 3 and 5, the integrated sewage treatment apparatus includes an anaerobic tank 1, an anoxic tank 2, an aerobic tank 3, a sedimentation tank 4 and a control chamber 5; the anaerobic tank 1 and the anoxic tank 2 are cylindrical tanks, and a central water flow area A and an external filling area B are sequentially nested in the cylindrical tanks from inside to outside; the bottom of the central water flow area A of the anaerobic tank 1 is communicated with the outside through a water inlet pipe 6, the top end of the central water flow area A of the anaerobic tank 1 is communicated with the top end of the external packing area B of the anaerobic tank 1, the bottom end of the external packing area B of the anaerobic tank 1 is communicated with the central water flow area A of the anoxic tank 2, and the top end of the central water flow area A of the anoxic tank 2 is communicated with the top end of the external packing area B of the anoxic tank 2; the bottom of the anoxic tank 2 is communicated with the bottom of the aerobic tank 3 through a pipe section; the top end of the aerobic tank 3 is communicated with the top end of the sedimentation tank 4; the top end of the sedimentation tank 4 is provided with an outflow weir 401 leading to the outside on the side away from the aerobic tank 3. The outer packing region B of the anaerobic tank 1 is filled with a first bio-reactive packing 7 and the outer packing region B of the anoxic tank 2 is filled with a second bio-reactive packing 8.
The biomembrane process is one kind of aerobic biomembrane process for treating sewage, and the biomembrane is formed with microbes adhered to the surface of filtering material as medium. After the sewage is contacted with the sewage, the dissolved organic pollutants are adsorbed by the biological film and then are oxidized and decomposed by microorganisms to be converted into H2O, CO, NH3 and microbial cytoplasm, so that the sewage is purified. The biofilm process employs biofilm media, typically as suspended sphere or MBBR. The suspended ball filler has strong biological adhesion, large specific surface area, high porosity, good chemical and biological stability, durability, convenient throwing and installation and suitability for small-sized sewage treatment. The MBBR filler is a novel bioactive filler carrier and has the following advantages: large specific surface area, good hydrophilicity, high biological activity, quick film formation, good treatment effect, long service life and convenient installation.
In this embodiment, the sewage purification is also achieved by adopting a biomembrane method, so the first bio-reactive filler 7 can be a suspended ball filler or an MBBR filler; the second bio-reactive filler 8 may also be a suspended sphere filler or MBBR filler.
The anaerobic tank 1, the anoxic tank 2, the aerobic tank 3 and the sedimentation tank 4 of the sewage treatment device are sequentially communicated, the anaerobic tank 1 and the anoxic tank 2 are cylindrical tanks, sewage enters a central water flow area A of the anaerobic tank 1 from the bottom of the anaerobic tank 1, and water flow rises to the top from the bottom of the central water flow area A and flows to an external filling area B from the top; the sewage is downwards baffled to pass through an external filler zone B of the anaerobic tank 1, purified by a first biological reaction filler 7 and then flows to a central water flow zone A of the anoxic tank 2 from the bottom; then rises from the bottom of the central water flow zone a to the top and flows from the top to the outer packing zone B of the anoxic tank 2; the sewage is downwards baffled again to pass through an external filler zone B of the anoxic tank 2, and after being purified by a second biological reaction filler 8, the sewage flows to the aerobic tank 3 from the bottom; and then flows from the aerobic tank 3 to the sedimentation tank 4, and after sedimentation in the sedimentation tank 4, supernatant is discharged from the water outlet weir 401.
Alternatively, the anaerobic tank 1 and the anoxic tank 2 can be designed into one group, and two groups of anaerobic anoxic tanks 2 which are arranged in parallel are designed in the sewage treatment equipment, and each group is communicated with the aerobic tank 3 at the rear end.
The integrated sewage treatment equipment further comprises a controller, as shown in fig. 5, the controller is arranged in the control room 5, each valve, each pump and each water quality sensor in the sewage treatment equipment can be correspondingly controlled by the controller.
The sedimentation tank 4 is provided with an inclined filter plate, so that the supernatant liquid of the sedimentation tank 4 is better in quality and lower in pollution degree.
The integrated sewage treatment equipment in the embodiment overcomes the defects that the traditional square sewage treatment equipment is large in occupied area, short in biological reaction time, easy to store sludge, and not up to standard in sewage treatment effect, and the like, the anaerobic tank 1 and the anoxic tank 2 are designed into cylindrical tanks, a central water flow area A and an external filler area B are nested in the cylindrical tanks in sequence from inside to outside, sewage enters the central water flow area A from an external water inlet pipe 6, then spreads from the central water flow area A to the peripheral external filler area B, flows to an aerobic tank 3 and a sedimentation tank 4 at the rear end after being treated by biological reaction filler of the external filler area B, and flows in the anaerobic tank 1 and the anoxic tank 2 are upwards and downwards baffled, so that a longer sewage treatment flow can be obtained under the condition of small equipment volume, and the microbial reaction time is increased under the condition of as much microbes to obtain better treatment effect; and effectively utilizing the volume of the equipment to obtain more biological filler volume; meanwhile, compared with a square treatment tank, no dead angle exists in the cylindrical tank body, so that sludge is not easy to store, the sewage treatment effect is better, and the sewage treatment cost is saved.
In an alternative embodiment, in order to push the water flow rising speed of the central water flow area A in the anaerobic tank 1 and reduce the sludge accumulation at the bottom of the anaerobic tank 1, a special structural design can be adopted to achieve the purpose, namely, the central water flow area A of the anaerobic tank 1 is provided with a disc type cyclone water distributor. It can be understood that in order to push the water flow rising speed of the central water flow area A in the anoxic tank 2 and reduce the sludge accumulation at the bottom of the anoxic tank 2, the central water flow area A of the anoxic tank 2 is also provided with a disk type rotational flow water distributor. As shown in FIG. 4, the disk type cyclone water distributor comprises a water distribution pipe 9, wherein the water distribution pipe 9 is communicated with a water inlet pipe 6, and the water distribution pipe 9 is spirally arranged in a central water flow area A. The disk type cyclone water distributor comprises a circle of water pipes coiled at the bottom of the central water flow area A; or the disc type rotational flow water distributor comprises a plurality of circles of water pipes which spiral from the bottom of the central water flow area A, so that the sewage in the central water flow area A is fully stirred, and the sludge accumulation is better prevented.
A plurality of first water outlet holes 901 which incline upwards are formed in the water distribution pipe 9 so as to form inclined upwards rotational flow, thereby accelerating the water flow rising speed of the central water flow area A and accelerating the overall sewage treatment efficiency. Optionally, the water distribution pipe 9 may be further provided with a plurality of second water outlet holes 902 inclined downward to stir the sludge at the bottom of the anaerobic tank 1 or the anoxic tank 2, so as to prevent the sewage treatment effect from being affected by the pool bottom sludge accumulation. The diameters of the first water outlet 901 and the second water outlet 902 may be set according to the water inflow, which is not limited by a specific value in the embodiment. Alternatively, if the water distribution pipe 9 is provided with the first water outlet 901 and the second water outlet 902 at the same time, the effects of accelerating the water flow and stirring the sludge can be achieved at the same time. In addition, valves can be arranged at the positions of the water outlets, and the valves are controlled to be opened or closed timely so as to accelerate the rising speed of water flow or the sludge stirring effect.
In an alternative embodiment, since the size of the packing area affects how much of the packing affects the sewage treatment effect, the ratio between the cross-sectional diameter of the central water flow area a of the anaerobic tank 1 and the cross-sectional diameter of the anaerobic tank 1 may be set to N, and N is greater than 1/4 and less than 1/2, preferably N may be 1/3, and may be any value between 1/4 and 1/2, for example 3/4 or 3/5, in order to achieve the adjustment of the volume of the outer packing area B of the anaerobic tank 1. It will be appreciated that the anoxic tank 2 may also be adjusted in the above-described manner with respect to its packing area volume, i.e. the ratio between the cross-sectional diameter of the central water flow area a of the anoxic tank 2 and the cross-sectional diameter of the anoxic tank 2 is set to M, where M is greater than 1/4 and less than 1/2, preferably M may be 1/3 and may be any value between 1/4 and 1/2, such as 3/4 or 3/5.
In another alternative embodiment, during the whole sewage treatment process, excessive biological filler investment can cause material accumulation to affect the water flow speed, and the cost is too high, and the biological filler investment is too low to reach the purification standard, so that the filler ratio of the external filler zone B of the anaerobic tank 1 is any ratio between 40% and 60%, preferably 50%, but also 45%, 55% and other values, in order to input the filler suitable for the water inflow in the external filler zone B; and/or the packing ratio of the external packing zone B of the anoxic tank 2 is any ratio between 40% and 60%, preferably 50%, but may be 45%, 55%, and other values.
On the basis of the embodiment, the bottom of the aerobic tank 3 is provided with an aeration disc 301, and the aeration disc 301 is connected with an oxygen supply device 501 and a blower 502 through a valve and is used for conveying oxygen into the aerobic tank 3.
In order to obtain a better nitrogen removal effect, a first reflux channel 10 is arranged between the aerobic tank 3 and the external packing area B of the anaerobic tank 1; a reflux pump 12 is arranged at one end of the first reflux channel 10, which is close to the aerobic tank 3; the first reflux channel 10 is used for refluxing the nitrified liquid in the aerobic tank 3 to the external packing area B of the anaerobic tank 1 to realize nitrogen removal. The return pump 12 may be electrically connected to a controller to control the return flow.
In order to obtain better dephosphorization effect, a second reflux passage 11 is arranged between the sedimentation tank 4 and the central water flow area A of the anaerobic tank 1; a sludge pump 13 is arranged at one end of the second return channel 11, which is close to the sedimentation tank 4; the rear end of the sludge pump 13 is connected with a first flow dividing valve 14 and a second flow dividing valve 15, the first flow dividing valve 14 is connected with the sludge tank and used for discharging sludge, the second flow dividing valve 15 is connected to a central water flow area A of the anaerobic tank 1 through a pipe section so as to flow the sinking sewage of the sedimentation tank 4 back to the central water flow area A, and organic matters in the sewage are adsorbed and converted by organic matters in the filling area to realize dephosphorization.
An electromagnetic flowmeter 16 and a lift pump 17 are also arranged at the water inlet pipe 6; the electromagnetic flowmeter 16 is used for collecting water inflow so as to conveniently regulate and control sewage treatment equipment; the lift pump 17 is used for controlling the water inflow, and controlling the microbial input according to the water inflow, so that a better sewage treatment effect is obtained.
The tops of the anaerobic tank 1, the anoxic tank 2, the aerobic tank 3 and the sedimentation tank 4 are provided with circular manholes 18, so that maintenance personnel can enter the sewage treatment equipment from the circular manholes 18 for maintenance.
The integrated sewage treatment equipment described in the embodiment of the application overcomes the defects of large occupied area, short biological reaction time, easy accumulation of sludge, substandard sewage treatment effect and the like of the traditional square sewage treatment equipment, designs an anaerobic tank and an anoxic tank as cylindrical tanks, sequentially nests a central water flow area and an external filling area from inside to outside, allows sewage to enter the central water flow area from an external water inlet pipe and then spreads from the central water flow area to the peripheral external filling area, the water flows in the anaerobic tank and the anoxic tank are baffled up and down, so that a longer sewage treatment flow can be obtained under the condition of smaller occupied area of equipment, the microbial reaction time is increased, the volume of the equipment is effectively utilized to obtain more biological filler volume, more filler can be put in, and better sewage treatment effect is obtained; meanwhile, compared with a square treatment tank, no dead angle exists in the cylindrical tank body, so that sludge is not easy to store, and the sewage treatment effect is better.
Furthermore, a disc type rotational flow water distributor is arranged at the bottom of the anaerobic tank and/or the anoxic tank to promote the water flow rising speed of the central water flow area and reduce the sludge accumulation at the bottom of the tank, thereby obtaining better sewage treatment efficiency effect.
The inner structure of the sewage treatment equipment forms a novel labyrinth, compared with a square treatment tank, the novel labyrinth structure has the advantages of simple structure, convenient processing, less material consumption and the same or even better sewage treatment effect.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (10)
1. An integrated sewage treatment device is characterized by comprising an anaerobic tank, an anoxic tank, an aerobic tank and a sedimentation tank; the anaerobic tank and the anoxic tank are cylindrical tank bodies, and the cylindrical tank bodies are sequentially nested with a central water flow area and an external filling area from inside to outside; the bottom of the central water flow area of the anaerobic tank is communicated with the outside through a water inlet pipe, the top end of the central water flow area of the anaerobic tank is communicated with the top end of the external packing area of the anaerobic tank, the bottom end of the external packing area of the anaerobic tank is communicated with the central water flow area of the anoxic tank, and the top end of the central water flow area of the anoxic tank is communicated with the top end of the external packing area of the anoxic tank; the bottom of the anoxic tank is communicated with the bottom of the aerobic tank through a pipe section; the top end of the aerobic tank is communicated with the top end of the sedimentation tank; an outflow weir leading to the outside is arranged at one side of the top end of the sedimentation tank, which is far away from the aerobic tank;
The external filler zone of the anaerobic tank is filled with a first biological reaction filler, and the external filler zone of the anoxic tank is filled with a second biological reaction filler.
2. The integrated sewage treatment device according to claim 1, wherein a central water flow area of the anaerobic tank and/or a central water flow area of the anoxic tank is provided with a disc type rotational flow water distributor;
The disc type rotational flow water distributor comprises a water distribution pipe which is spirally arranged in a central water flow area;
The water distribution pipe is provided with a plurality of first water outlets which are inclined upwards so as to form a rotational flow which is inclined upwards, and/or the water distribution pipe is provided with a plurality of second water outlets which are inclined downwards so as to stir the sludge at the bottom of the anaerobic tank or the anoxic tank.
3. The integrated wastewater treatment facility of claim 2, wherein the disc swirl water distributor comprises a ring of water pipes coiled at the bottom of the central water flow zone; or the disk type cyclone water distributor comprises a plurality of circles of water pipes which spiral from the bottom of the central water flow area.
4. The integrated wastewater treatment facility of claim 3, wherein the ratio between the cross-sectional diameter of the central water flow zone of the anaerobic tank and the cross-sectional diameter of the anaerobic tank is N, and N is greater than 1/4 and less than 1/2; and/or the ratio between the cross-sectional diameter of the central water flow area of the anoxic tank and the cross-sectional diameter of the anoxic tank is M, wherein M is more than 1/4 and less than 1/2.
5. The integrated wastewater treatment facility of claim 3, wherein the packing ratio of the outer packing zone of the anaerobic tank is any ratio between 40% and 60%; and/or the packing ratio of the external packing area of the anoxic tank is any ratio between 40 percent and 60 percent.
6. The integrated sewage treatment device according to claim 1, wherein an aeration disc is arranged at the bottom of the aerobic tank, and the aeration disc is connected with an oxygen supply device and a blower for delivering oxygen into the aerobic tank.
7. The integrated wastewater treatment apparatus of claim 1, wherein a first return channel is further provided between the aerobic tank and an external packing zone of the anaerobic tank; a reflux pump is arranged at one end of the first reflux channel, which is close to the aerobic tank; the first reflux channel is used for refluxing nitrified liquid in the aerobic tank to an external packing area of the anaerobic tank so as to realize nitrogen removal.
8. The integrated wastewater treatment facility of claim 1, wherein a second return channel is provided between the sedimentation basin and a central water flow zone of the anaerobic basin; a sludge pump is arranged at one end of the second return channel, which is close to the sedimentation tank; the rear end of the sludge pump is connected with a flow dividing valve, one end of the flow dividing valve is connected with the sludge tank and used for discharging sludge, and the other end of the flow dividing valve is connected to a central water flow area of the anaerobic tank through a pipe section so as to enable sinking sewage of the sedimentation tank to flow back to the central water flow area to achieve dephosphorization.
9. The integrated sewage treatment device according to claim 1, wherein an electromagnetic flowmeter and a lift pump are further arranged at the water inlet pipe; the electromagnetic flowmeter is used for collecting water inflow; the lift pump is used for controlling water inflow.
10. The integrated sewage treatment apparatus according to claim 1, wherein the tops of the anaerobic tank, the anoxic tank, the aerobic tank, and the sedimentation tank are provided with circular manholes.
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| CN202420203885.4U CN221876783U (en) | 2024-01-26 | 2024-01-26 | Integrated sewage treatment equipment |
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| CN202420203885.4U CN221876783U (en) | 2024-01-26 | 2024-01-26 | Integrated sewage treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119461661A (en) * | 2024-10-29 | 2025-02-18 | 水艺环保集团股份有限公司 | A bio-enhanced sewage treatment device based on iron-based magnetic bio-carbon carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119461661A (en) * | 2024-10-29 | 2025-02-18 | 水艺环保集团股份有限公司 | A bio-enhanced sewage treatment device based on iron-based magnetic bio-carbon carrier |
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