CN212222733U - Rapid advanced sewage treatment system - Google Patents
Rapid advanced sewage treatment system Download PDFInfo
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- CN212222733U CN212222733U CN202020461685.0U CN202020461685U CN212222733U CN 212222733 U CN212222733 U CN 212222733U CN 202020461685 U CN202020461685 U CN 202020461685U CN 212222733 U CN212222733 U CN 212222733U
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Abstract
The embodiment of the utility model discloses quick advanced treatment system of sewage, including grit chamber, biochemical reaction sedimentation tank, denitrification deep bed filtering pond and sludge dewatering system. The embodiment removes particle impurities in sewage through the grit chamber, and then discharges supernatant to the denitrification deep-bed filter tank through the circulation clarifier in the biochemical reaction sedimentation tank, and then the denitrification deep-bed filter tank discharges clear water after carrying out denitrification process treatment on the sewage treated by the biochemical reaction sedimentation tank, and the sludge dewatering system can carry out outward transportation treatment on the sludge generated by the biochemical reaction sedimentation tank after dewatering treatment, and the combination of the biochemical reaction sedimentation tank and the denitrification deep-bed filter tank can realize rapid deep treatment on the sewage, and the effluent reaches the discharge standard, and the system has a simple and reliable structure, so that the maximization of the sewage treatment efficiency is realized under the condition of limited floor area.
Description
Technical Field
The embodiment of the utility model provides a relate to sewage treatment technical field, especially a quick advanced treatment system of sewage.
Background
In the economic development and urban development processes, due to the fact that historical reasons and urban construction pipe networks are incomplete, sewage is discharged unreasonably, sewage overflows or is mixed with rain and sewage, sewage entering a sewage treatment plant is large in scale compared with the design scale, the construction process for perfecting the pipe networks is long in general period, and before the extension task of the sewage treatment plant is not completed, the sewage needs to be subjected to rapid deep treatment.
The existing sewage treatment process has the disadvantages of large occupied area of a sewage treatment plant, long construction period and high operation cost of sewage treatment due to long process route, so that a quick and deep sewage treatment system which is quick and efficient, small in occupied area, low in operation cost, simple in management and stable in water outlet is urgently needed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a main technical problem who solves provides a simple structure, with low costs and go out high-quality quick advanced wastewater treatment system of water.
In order to solve the above technical problem, the present invention provides a technical solution that is adopted by the embodiments of the present invention: provided is a rapid advanced sewage treatment system, which comprises:
the grit chamber is used for separating sewage to remove particulate matters in the sewage;
the biochemical reaction sedimentation tank is communicated with the grit chamber and comprises at least one set of circulation clarifier and a water distribution system;
the denitrification deep-bed filter tank is communicated with the biochemical reaction sedimentation tank and is used for discharging the effluent of the biochemical reaction sedimentation tank after denitrification process treatment;
and the sludge dewatering system is communicated with the biochemical reaction sedimentation tank, and receives the sludge discharged by the biochemical reaction sedimentation tank, dewaters and conveys the sludge to an external receiving device.
Optionally, the rapid advanced wastewater treatment system further comprises:
the collecting tank comprises a first grid and a lifting pump, and the lifting pump is used for conveying sewage flowing through the first grid to the grit chamber.
Optionally, the grit chamber includes a second grid and a sand-water separator, and the sand-water separator is configured to perform sand-water separation on the sewage flowing through the second grid, and then discharge the sewage to the biochemical reaction sedimentation tank.
Optionally, the rapid advanced wastewater treatment system further comprises:
the anaerobic tank is communicated with the grit chamber and is used for carrying out anaerobic treatment on the sewage discharged by the grit chamber;
and the anoxic tank is communicated with the anaerobic tank and is used for accessing the effluent of the anaerobic tank and flowing out to the biochemical reaction sedimentation tank after anoxic treatment.
Optionally, the biochemical reaction sedimentation tank further comprises an aeration system for providing oxygen and air lift power.
Optionally, the aeration system comprises an aerator and an air blowing system, the aerator is arranged at the bottom of the biochemical reaction sedimentation tank, and the air blowing system is communicated with the aerator and used for conveying air to the aerator.
Optionally, the rapid advanced wastewater treatment system further comprises a superfine grating tank, the superfine grating tank is communicated with the biochemical reaction sedimentation tank and the denitrification deep-bed filter tank, and the superfine grating tank is used for deeply filtering the effluent of the biochemical reaction sedimentation tank and then discharging the effluent to the denitrification deep-bed filter tank.
Optionally, the rapid advanced wastewater treatment system further comprises:
and the disinfection system is communicated with the denitrification deep bed filter and is used for discharging the effluent of the denitrification deep bed filter after disinfection treatment.
Optionally, the rapid advanced wastewater treatment system further comprises:
the sludge conditioning tank is communicated with the biochemical reaction sedimentation tank and is used for receiving the sludge discharged from the biochemical reaction sedimentation tank and carrying out sludge property conditioning process treatment on the sludge;
the sludge thickening tank is communicated with the sludge conditioning tank and the sludge dewatering system, and is used for receiving the sludge discharged by the sludge conditioning tank, carrying out sludge thickening treatment and then outputting the sludge to the sludge dewatering system.
Optionally, the sludge dewatering system includes any one of a belt sludge dewatering machine, a box sludge filter press, a stacked sludge dewatering machine, and a horizontal centrifugal sludge dewatering machine.
The embodiment of the utility model provides a beneficial effect is: the device has the advantages that the device can remove particle impurities in sewage through the grit chamber, then discharges supernatant to the denitrification deep-bed filter tank through the circulation clarifier in the biochemical reaction sedimentation tank, then discharges clear water after the denitrification deep-bed filter tank carries out denitrification process treatment on the sewage treated by the biochemical reaction sedimentation tank, and the sludge dewatering system can carry out outward transportation treatment on the sludge generated by the biochemical reaction sedimentation tank after dewatering treatment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic process diagram of an embodiment of the rapid advanced wastewater treatment system of the present invention;
FIG. 2 is a schematic structural diagram of a circular clarifier according to an embodiment of the rapid advanced wastewater treatment system of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 2, fig. 1 is a schematic process diagram of a rapid advanced wastewater treatment system according to an embodiment of the present invention.
As shown in figures 1 to 2, the rapid advanced sewage treatment system comprises a grit chamber 1, a biochemical reaction sedimentation tank 2, a denitrification deep bed filter 3 and a sludge dewatering system 4.
The grit chamber 1 is used for separating sewage to remove particulate matters in the sewage; the biochemical reaction sedimentation tank 2 is communicated with the grit chamber 1, the biochemical reaction sedimentation tank 2 comprises at least one set of circulation clarifier 21 and a water distribution system 22, the water distribution system 22 is used for water inlet and water distribution of the biochemical reaction sedimentation tank 2, and the circulation clarifier 21 discharges supernatant in the biochemical reaction sedimentation tank 2; the denitrification deep bed filter 3 is communicated with the biochemical reaction sedimentation tank 2, and the denitrification deep bed filter 3 is used for discharging the effluent of the biochemical reaction sedimentation tank 2 after denitrification process treatment; the sludge dewatering system 4 is communicated with the biochemical reaction sedimentation tank 2, and the sludge dewatering system 4 receives sludge discharged from the biochemical reaction sedimentation tank 2, dewaters the sludge and then conveys the sludge to an external receiving device 5.
When implementing, sewage can be inevitable mix into silt and sand in the process of assembling, if sand in the sewage is not subsided in advance and is separated and get rid of, then can influence the operation of follow-up treatment equipment, for example: wear the mechanical pump and block the pipe network. The grit chamber 1 introduces sewage, removes particulate matters in the sewage, and discharges the sewage into the biochemical reaction sedimentation tank 2, so as to avoid the damage of the particulate matters in the sewage to the biochemical reaction sedimentation tank 2. In some embodiments, the grit chamber 1 employs any one of an advection grit chamber, an aeration grit chamber, a cyclone grit chamber, and the like. Taking the horizontal flow grit chamber at the position of the grit chamber 1 as an example, the grit chamber 1 can remove sand grains with larger grain diameters in sewage so as to protect facilities such as pipelines, valves and the like from abrasion and blockage.
The sewage treated by the grit chamber 1 enters a biochemical reaction sedimentation tank 2, a plurality of sets of circulation clarifiers 21 and water distribution systems 22 are arranged in the biochemical reaction sedimentation tank 2, wherein the water distribution system 22 refers to water inlet and distribution equipment on the biochemical reaction sedimentation tank, as shown in fig. 2, the sewage enters the circulation clarifiers 21 through flow guide through holes 211 of the circulation clarifiers 21, wherein the sludge with higher density can be gathered to a guide plate 223 along an inclined plate 222, the guide plate 223 is in an inverted V shape, the sludge can be led into the biochemical reaction sedimentation tank 2 again, the supernatant in the circulation clarifiers 21 can enter an overflow groove 224, and the collected supernatant is discharged to the denitrification deep bed filter 3 through a drain pipe 225.
The denitrification deep bed filter 3 is a treatment unit integrating biological denitrification and filtering functions, and the effluent of the biochemical reaction sedimentation tank 2 enters the denitrification deep bed filter 3 for biological denitrification and filtration and then is discharged as clean water.
The sludge dewatering system 4 dewaters the sludge discharged from the biochemical reaction sedimentation tank 2, and in some embodiments, the sludge dewatering system 4 comprises any one of a belt type sludge dewatering machine, a box type sludge filter press, a spiral sludge dewatering machine and a horizontal centrifugal sludge dewatering machine, and then conveys the dewatered sludge to an external receiving device 5, and the external receiving device 5 is a sludge storage bin which can store the sludge discharged from the sludge dewatering system 4 and periodically transport the sludge for disposal.
The embodiment of the utility model provides a remove the particle impurity in the sewage through grit chamber 1, discharge the supernatant to denitrification deep bed filtering pond 3 by circulation clarifier 21 in the biochemical reaction sedimentation tank 2 again, then carry out denitrogenation technology by denitrification deep bed filtering pond 3 with the sewage after biochemical reaction sedimentation tank 2 handles and handle the back discharge clear water, and sludge dewatering system 4 can carry out the sludge dewatering treatment back outward that biochemical reaction sedimentation tank 2 produced and deal with, the combination of biochemical reaction sedimentation tank 2 and denitrification deep bed filtering pond 3, can realize the quick advanced treatment to sewage, it reaches emission standard to go out water, system architecture is simple reliable, thereby under the limited area condition, the maximize of sewage treatment efficiency has been realized.
In some optional embodiments, the utility model provides a quick advanced wastewater treatment system further includes:
a collecting tank 6, wherein the collecting tank 6 comprises a first grating 61 and a lifting pump 62, and the lifting pump 62 is used for conveying the sewage flowing through the first grating 61 to the grit chamber 2.
In practice, the first grating 61 is a coarse grating capable of filtering large-particle impurities in the sewage. The sewage enters the water collecting tank 6 after being filtered by the first grating 61, and when the water level in the water collecting tank 6 reaches the preset water level, the lifting pump 62 is started to lift the sewage into the grit chamber 1.
In some optional embodiments, the grit chamber 1 includes a second grid 11 and a sand-water separator 12, and the sand-water separator 12 is configured to discharge the wastewater flowing through the second grid 11 to the biochemical reaction settling tank 2 after performing sand-water separation treatment. The second grid 11 adopts the fine grid, and in the elevator pump 62 promoted sewage to the fine grid 3 and carried out the secondary filter back entering grit chamber 1, sand water separator 12 can effectively improve the degritting efficiency, further reduces grit chamber 1 and carries the granule impurity of sewage to biochemical reaction sedimentation tank 2 in.
In some optional embodiments, the utility model discloses quick advanced wastewater treatment system still includes:
the anaerobic tank 71 is communicated with the grit chamber 1, and the anaerobic tank 71 is used for carrying out anaerobic treatment on the sewage discharged from the grit chamber 1;
the anaerobic tank 7, the anaerobic tank 7 with the anaerobic tank 71 with the biochemical reaction sedimentation tank 2 intercommunication, the anaerobic tank 7 is used for the access the play water of anaerobic tank 71 to flow out to after the oxygen deficiency treatment in the biochemical reaction sedimentation tank 2. In practice, the anoxic tank 7 is a reaction tank which has no dissolved oxygen but has nitrate, has a function of improving biochemical property by hydrolysis reaction, and mainly plays a role of denitrifying to remove nitrate nitrogen and simultaneously removes part of BOD (biological oxygen demand) in the denitrification process. Can effectively promote the biochemical reaction in the biochemical reaction sedimentation tank 2 and improve the sewage treatment efficiency.
In some optional embodiments, the biochemical reaction sedimentation tank 2 further comprises an aeration system disposed in the biochemical reaction sedimentation tank 2 for providing oxygen and air lift power. In practice, the aeration system comprises an aerator 23 and an air blowing system, wherein the aerator 23 is arranged at the bottom of the biochemical reaction sedimentation tank 2, and the air blowing system is communicated with the aerator 23 and is used for conveying air to the aerator 23. The aerator 23 aerates at the bottom of the biochemical reaction sedimentation tank 2 to generate bubbles, the bubbles can stir the sewage in the biochemical reaction sedimentation tank 2 to form a circular flow in the rising process, wherein the sludge with higher density can be settled at the bottom of the biochemical reaction sedimentation tank 2, and the supernatant enters the denitrification deep-bed filter 3 through the circular flow clarifier 21.
In some optional embodiments, the rapid advanced wastewater treatment system further comprises an ultrafine grating tank 8, the ultrafine grating tank 8 is communicated with the biochemical reaction sedimentation tank 2 and the denitrification deep-bed filter 3, and the ultrafine grating tank 8 is used for deeply filtering the effluent of the biochemical reaction sedimentation tank 2 and then discharging the effluent to the denitrification deep-bed filter 3. In practice, the ultrafine grating tank 8 is provided with an ultrafine grating system, and filtrate from the ultrafine grating system enters the denitrification deep bed filter 3.
In some optional embodiments, the utility model discloses quick advanced wastewater treatment system still includes:
and the disinfection system 9 is communicated with the denitrification deep bed filter 3, and the disinfection system 9 is used for discharging the effluent of the denitrification deep bed filter 3 after disinfection treatment. In practice, the disinfection system 9 adopts an ultraviolet disinfection mode, for example, an ultraviolet disinfection channel is arranged in the disinfection system 9, and the effluent of the denitrification deep-bed filter 3 is disinfected by the ultraviolet disinfection channel and then discharged after reaching the standard.
In some optional embodiments, the utility model discloses quick advanced wastewater treatment system still includes:
the sludge conditioning tank 41 is communicated with the biochemical reaction sedimentation tank 2, and the sludge conditioning tank 41 is used for receiving the sludge discharged from the biochemical reaction sedimentation tank 2 and performing sludge property conditioning process treatment on the sludge; the sludge property conditioning process is a measure for improving the property of the sludge, and comprises a chemical conditioning method, a heat treatment method, a freezing method and an elutriation method when being implemented, wherein the sludge conditioning refers to the pretreatment of the sludge to improve the concentration and dehydration efficiency of the sludge.
The sludge concentration tank 42 is communicated with the sludge conditioning tank 41 and the sludge dewatering system 4, and the sludge concentration tank 42 is used for receiving the sludge discharged from the sludge conditioning tank 41, performing sludge concentration treatment and then outputting the sludge to the sludge dewatering system 4. The sludge concentration tank 42 is used for sludge concentration, and comprises a vertical flow type or radial flow type shape, residual sludge in the biochemical reaction sedimentation tank 2 is discharged into the sludge conditioning tank 41, the sludge concentration tank 42 is communicated with the sludge conditioning tank 41, and the sludge is periodically conveyed to the sludge dewatering system 11 for dewatering.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a quick advanced wastewater treatment system, which comprises:
the grit chamber is used for separating sewage to remove particulate matters in the sewage;
the biochemical reaction sedimentation tank is communicated with the grit chamber and comprises at least one set of circulation clarifier and a water distribution system;
the denitrification deep-bed filter tank is communicated with the biochemical reaction sedimentation tank and is used for discharging the effluent of the biochemical reaction sedimentation tank after denitrification process treatment;
and the sludge dewatering system is communicated with the biochemical reaction sedimentation tank, and receives the sludge discharged by the biochemical reaction sedimentation tank, dewaters and conveys the sludge to an external receiving device.
2. The rapid advanced wastewater treatment system according to claim 1, further comprising:
the collecting tank comprises a first grid and a lifting pump, and the lifting pump is used for conveying sewage flowing through the first grid to the grit chamber.
3. The rapid advanced wastewater treatment system according to claim 2, wherein the grit chamber comprises a second grid and a sand-water separator, and the sand-water separator is used for performing sand-water separation treatment on the wastewater flowing through the second grid and then discharging the wastewater to the biochemical reaction sedimentation tank.
4. The rapid advanced wastewater treatment system according to claim 3, further comprising:
the anaerobic tank is communicated with the grit chamber and is used for carrying out anaerobic treatment on the sewage discharged by the grit chamber;
and the anoxic tank is communicated with the anaerobic tank and is used for accessing the effluent of the anaerobic tank and flowing out to the biochemical reaction sedimentation tank after anoxic treatment.
5. The rapid advanced wastewater treatment system according to claim 1, wherein the biochemical reaction sedimentation tank further comprises an aeration system for providing oxygen and air lift power.
6. The rapid advanced wastewater treatment system according to claim 5, wherein the aeration system comprises an aerator and an air blowing system, the aerator is arranged at the bottom of the biochemical reaction sedimentation tank, and the air blowing system is communicated with the aerator and used for conveying air to the aerator.
7. The rapid advanced wastewater treatment system according to claim 1, further comprising a super fine grid tank, wherein the super fine grid tank is communicated with the biochemical reaction sedimentation tank and the denitrification deep bed filter, and is used for deeply filtering effluent from the biochemical reaction sedimentation tank and discharging the effluent to the denitrification deep bed filter.
8. The rapid advanced wastewater treatment system according to claim 7, further comprising:
and the disinfection system is communicated with the denitrification deep bed filter and is used for discharging the effluent of the denitrification deep bed filter after disinfection treatment.
9. The rapid advanced wastewater treatment system according to claim 1, further comprising:
the sludge conditioning tank is communicated with the biochemical reaction sedimentation tank and is used for receiving the sludge discharged from the biochemical reaction sedimentation tank and carrying out sludge property conditioning process treatment on the sludge;
the sludge thickening tank is communicated with the sludge conditioning tank and the sludge dewatering system, and is used for receiving the sludge discharged by the sludge conditioning tank, performing sludge thickening treatment on the sludge and then outputting the sludge to the sludge dewatering system.
10. The rapid advanced wastewater treatment system according to any one of claims 1 to 9, wherein the sludge dewatering system comprises any one of a belt sludge dewatering machine, a box sludge filter press, a stacked sludge dewatering machine and a horizontal centrifugal sludge dewatering machine.
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| CN202020461685.0U CN212222733U (en) | 2020-04-01 | 2020-04-01 | Rapid advanced sewage treatment system |
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| CN202020461685.0U CN212222733U (en) | 2020-04-01 | 2020-04-01 | Rapid advanced sewage treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367950A (en) * | 2021-05-18 | 2022-11-22 | 南京溧水秦源污水处理有限公司 | Sewage treatment system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367950A (en) * | 2021-05-18 | 2022-11-22 | 南京溧水秦源污水处理有限公司 | Sewage treatment system and method |
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