CN216946647U - Urban non-point source pollution treatment system - Google Patents
Urban non-point source pollution treatment system Download PDFInfo
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- CN216946647U CN216946647U CN202220504003.9U CN202220504003U CN216946647U CN 216946647 U CN216946647 U CN 216946647U CN 202220504003 U CN202220504003 U CN 202220504003U CN 216946647 U CN216946647 U CN 216946647U
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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 utility model relates to the technical field of sewage treatment, and discloses an urban non-point source pollution treatment system, which comprises: the device comprises a treatment pool, a cover plate mechanism, a sedimentation tank and a purification layer; a water outlet is arranged on the side surface of the bottom of the treatment tank; the cover plate mechanism is positioned at the upper end of the treatment tank and is used for opening or closing the treatment tank; the sedimentation tank is arranged in the treatment tank, is positioned below the cover plate mechanism and is used for settling sewage; purify the layer and be located in the treatment tank and be located the below of the sewage discharge port of precipitation tank, purify the layer and include first purification layer and the second that top-down set gradually and purify the layer, the outlet with the second purifies the layer intercommunication, wherein first purification layer with the second advances the layer and all is equipped with the filler that supplies the microorganism to adhere to. Through two-layer purification layer, handle the filtration to sewage to and let the microorganism in the treatment tank purify sewage to reaching emission standard.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to an urban non-point source pollution treatment system.
Background
At present, urban non-point source pollution refers to water pollution caused by the fact that pollutants accumulated in a clear city are collected into surface grooves and then enter a natural water body under the scouring of rainwater. Research indicates that urban non-point source pollution is one of important factors causing urban water environment deterioration and frequent water crisis events in China, and is gradually valued by the masses and related departments. Especially, the pollution in key areas of cities (including a restaurant, a street, car washing, automobile repair, farmer markets and the like) gradually becomes a serious problem of treatment due to high pollutant concentration, multiple influencing factors and high treatment difficulty.
The treatment measures adopted aiming at non-point source pollution are generally divided into a source reduction technology, a process control technology and a tail end treatment technology; in cities, sewage interception technology in process control technology is generally adopted, sewage wells are arranged to collect sewage, and the sewage is pumped into a municipal sewage pipe network through a water pump to be subjected to centralized treatment.
The existing sewage well has single function, needs to be matched with an urban sewage pipe network for use, and has no sewage treatment capacity.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the sewage treatment tank can not only intercept sewage, but also effectively treat the sewage.
In order to achieve the purpose, the utility model provides an urban non-point source pollution treatment system, which comprises: the device comprises a treatment pool, a cover plate mechanism, a sedimentation tank and a purification layer;
the treatment tank is used for collecting and treating urban non-point source sewage, and a water outlet is arranged on the side surface of the bottom of the treatment tank; the cover plate mechanism is positioned at the upper end of the treatment tank and is used for opening or closing the treatment tank; the sedimentation tank is arranged in the treatment tank, is positioned below the cover plate mechanism and is used for settling sewage; purify the layer and be located in the treatment tank and be located the below of the sewage discharge port of precipitation tank, purify the layer and include first purification layer and the second that top-down set gradually and purify the layer, the outlet with the second purifies the layer intercommunication, wherein first purification layer with the second advances the layer and all is equipped with the filler that supplies the microorganism to adhere to.
Compared with the prior art, the urban non-point source pollution treatment system provided by the embodiment of the utility model has the beneficial effects that: can effective control sewage get into in the treatment basin through apron mechanism, avoid sewage to fill the emergence that the back spills over the phenomenon, also can avoid unnecessary later stage rainwater to get into in the treatment basin simultaneously, increase the burden in treatment basin, carry out preliminary sediment with sewage through the precipitation tank, sewage flows out from the sewage discharge port of precipitation tank again and enters into on the first purification layer, through two-layer purification layer at last, handle sewage and filter to and purify sewage to reaching emission standard through the microorganism on two-layer purification layer.
Furthermore, an earth surface groove is formed in the outer side of the treatment pool, and the sedimentation tank is communicated with the earth surface groove and used for receiving the sewage flowing into the treatment pool from the earth surface groove. Pollutants accumulated in fine cities are collected into the surface grooves under the washing of rainwater, and flow into the settling tank in the treatment tank along with the surface grooves, and one side surface of the settling tank is attached to the inner side wall of the treatment tank and is positioned below a connecting port between the surface grooves and the treatment tank, so that the settling tank is convenient for receiving initial rainwater discharged from the surface grooves.
Furthermore, a monitoring device is also arranged in the treatment tank, and the monitoring device comprises a water level sensor, a water quality sensor and a processor; the water level sensor and the water quality sensor are electrically connected with the processor. The water level and the water quality condition in the treatment tank are conveniently provided for the processor, and the processor judges whether to close or open the cover plate according to the water level condition and judges whether to open or close the valve piece according to the water quality condition.
Furthermore, the water level sensor is positioned at the upper part in the treatment tank, and the water quality sensor is positioned on the water outlet. The water level sensor is arranged at the upper part of the treatment tank and is lower than the cover plate mechanism, so that the phenomenon that the cover plate mechanism is closed after sewage overflows is avoided. Meanwhile, the water quality sensor is arranged near the water outlet, so that the discharged water quality can be guaranteed to reach the standard.
Further, the cover plate mechanism comprises a cover plate, a rotating rod fixedly connected with the cover plate and a driving motor connected with the rotating rod through a chain; the driving motor is electrically connected with the processor.
In the utility model, the cover plates and the rotating rods are in one-to-one correspondence, each rotating rod is equidistantly distributed on the upper end surface of the treatment pool and is rotatably connected to the treatment pool, one ends of all the rotating rods are connected through a chain, and the power output end of the driving motor is also connected to the chain, so that the synchronous rotation of all the rotating rods is driven, all the cover plates are synchronously rotated, and the opening of the treatment pool is opened or closed. And meanwhile, the distance between every two adjacent cover plates is small, so that the width of the cover plates is small, the cover plates do not influence the passing of pedestrians in an opening or closing state, when the water level in the treatment tank contacts the water level sensor, the cover plates are closed, and when the water level drops to a set value, the cover plates are opened after no obvious water flows on the earth surface.
Furthermore, the bottom surface of the treatment pool is obliquely arranged, and the water outlet is close to the lowest end of the bottom surface of the treatment pool. The bottom surface that sets up in the slope can be convenient for the sewage after the processing can abundant discharge.
Further, the sedimentation tank is positioned above the purification layer. The water is convenient to enter the purifying layer after flowing out from the outlet of the sedimentation tank, and the influence on the filtering effect caused by the fact that a large amount of silt directly enters the purifying layer is reduced.
Furthermore, a drain pipe is connected to the water outlet, and a valve is arranged on the drain pipe; the valve is electrically connected with the processor. Set up the valve member and can be convenient for collect and handle sewage, purify the intraformational microbial treatment to reaching standard just can open the valve member in the purification layer when sewage in the treatment tank, will handle up to standard water discharge in the treatment tank.
Furthermore, the first purification layer is formed by mixing broken stone, zeolite, ceramsite and volcanic rock. The materials are mixed and matched, so that a good attachment environment can be provided for microorganisms, and the sewage treatment effect is improved. Meanwhile, the material is simple to obtain and low in cost.
Further, the second purification layer is formed by mixing broken stone and limestone. The absorption of phosphorus element is realized through limestone, and simultaneously, a good attachment environment can be provided for microorganisms, so that the sewage treatment effect is improved.
Drawings
FIG. 1 is a top view of the structure of a treatment tank according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at B of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at A of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 4 is a top partial view of a cover plate mechanism according to an embodiment of the present invention;
FIG. 5 is a partial view of the cover mechanism in an open position according to embodiment C of the present invention;
FIG. 6 is a partial view of the closed position of the cover mechanism in accordance with embodiment C of the present invention;
in the figure, 1, treatment tank; 2. a cover plate mechanism; 21. a cover plate; 22. rotating the rod; 23. a chain; 24. a drive motor; 25. a card slot; 26. a clamping block; 3. a settling tank; 4. a purification layer; 41. a first purification layer; 42. a second purification layer; 5. a water level sensor; 6. a water quality sensor; 7. a drain pipe; 8. a valve member; 9. a ground surface groove; 10. and (7) pressing a plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, an urban non-point source pollution abatement system according to a preferred embodiment of the present invention includes: the device comprises a treatment tank 1, a cover plate mechanism 2, a sedimentation tank 3 and a purification layer 4; a water outlet is arranged on the side surface of the bottom of the treatment tank 1; the cover plate mechanism 2 is positioned at the upper end of the treatment tank 1 and is used for opening or closing the treatment tank 1; the sedimentation tank 3 is arranged in the treatment tank, is positioned below the cover plate mechanism 2 and is used for settling sewage; the purification layer 4 is positioned in the treatment tank 1 and below the sewage discharge port of the sedimentation tank 3, the purification layer 4 comprises a first purification layer 41 and a second purification layer 42 which are sequentially arranged from top to bottom, the water discharge port is communicated with the second purification layer, and the first purification layer 41 and the second purification layer 42 are both provided with fillers for microorganisms to adhere to.
The outer side of the treatment tank 1 is provided with a surface groove 9, and the side surface of the sedimentation tank 3 is attached to the inner side wall of the treatment tank 1 and used for receiving sewage flowing into the treatment tank 1 from the surface groove 9. The sedimentation tank 3 is attached to the inner side wall of the treatment tank 1 and is positioned under the connecting port of the treatment tank 1 and sewage discharge tanks such as a road surface groove and a sewage ditch, so that sewage can be conveniently received.
The treatment tank 1 is also internally provided with a monitoring device, and the monitoring device comprises a water level sensor 5, a water quality sensor 6 and a processor; the water level sensor 5 and the water quality sensor 6 are both electrically connected with the processor. The water level and the water quality in the treatment tank 1 can be conveniently provided, data can be provided for the action of the driving motor and the valve piece, and the corresponding action can be conveniently made.
As shown in FIG. 1, a water level sensor 5 is provided at an upper portion of the treatment tank 1, and a water quality sensor 6 is provided at a middle position of the treatment tank 1 in the longitudinal direction to be capable of responding to a change in water level with a rational and sensitive arrangement. The water level sensor 5 is arranged at the upper part of the treatment tank 1 and is lower than the cover plate mechanism 2, so that the phenomenon that the cover plate mechanism 2 is closed after sewage overflows is avoided. Meanwhile, the water quality sensor 6 is arranged near the water outlet, so that the discharged water quality can be guaranteed to reach the standard.
The cover plate mechanism 2 comprises a cover plate 21, a rotating rod 22 fixedly connected with the cover plate 21 and a driving motor 24 connected with the rotating rod 22 through a chain 23; the driving motor 24 is electrically connected with the processor. Wherein, the driving motor 24 in this embodiment is a servo motor, which is convenient for controlling the rotation amount of the motor, thereby being convenient for controlling the rotation amount of the cover plate 21 and realizing the accurate opening or closing of the inlet of the processing tank 1.
Meanwhile, one end of the cover plate 21 is provided with a fixture block 26, a position close to the other end of the cover plate 21 is provided with a clamping groove 25 matched with the fixture block 26, and the fixture blocks 26 on two adjacent cover plates 21 can be just clamped into the clamping groove 25 of the other cover plate 21 when the cover plates 21 are closed; one end of the clamping block 26 is of a conical structure, so that certain tree branches or rod-shaped pollutants can be cut off conveniently when the clamping block is clamped into the clamping groove 25, and the cover plate 21 can be closed tightly and compactly conveniently.
In the utility model, the cover plate 21 and the rotating rods 22 are in one-to-one correspondence, each rotating rod 22 is equidistantly distributed on the upper end surface of the treatment tank 1 and is rotatably connected to the treatment tank 1, and one end of each rotating rod 22 is connected through a chain 23. And the power output end of the driving motor 24 is also connected to the chain 23 to realize the synchronous rotation of all the rotating rods 22, so that all the cover plates 21 rotate synchronously to realize the opening or closing of the opening of the treatment tank 1.
As shown in FIG. 1, in the process of constructing the treatment tank, the bottom surface may be constructed as an inclined surface having a certain slope during the foundation construction so that the bottom surface of the treatment tank 1 is also inclined accordingly, and the drain port is provided near the lowermost end of the bottom surface of the treatment tank 1. The bottom surface that the slope set up can be convenient for the sewage after the processing can abundant discharge.
A drain pipe 7 is connected to the drain port, and a valve 8 is arranged on the drain pipe 7; the valve 8 is electrically connected to the processor. The valve 8 is arranged to facilitate the collection and treatment of sewage, and the valve 8 is opened to discharge sewage after the sewage is treated by microorganisms in the treatment tank 1 to reach the standard. In this embodiment, because drain pipe 7 is located the underground, so valve member 8 is located a cellar for storing things well, and the staff of being convenient for inspects the operation of valve member or change valve member, is equipped with the clamp plate simultaneously and places the pedestrian and drops above the cellar for storing things well, can also shelter from partial rainwater simultaneously and corrode valve member 8.
The first purification layer 41 may be formed by mixing crushed stone, zeolite, ceramsite and volcanic rock. The materials are mixed and matched, so that a good attachment environment can be provided for microorganisms, and the sewage treatment effect is improved. Meanwhile, the material is simple to obtain and low in cost.
In this embodiment, the crushed stone, zeolite, ceramsite and volcanic rock are all a plurality of, and the particle diameters thereof are all 5-10mm, and the ratio of the particle numbers is crushed stone: zeolite: ceramsite: volcanic rock 5: 2: 2: 1. the purification layer 4 of this ratio has the best treatment effect and can be used at low cost.
The second cleaning layer 42 may be formed by mixing crushed stone and limestone. The absorption of phosphorus element is realized through limestone, and the sewage treatment effect is improved.
In the embodiment, the quantity of the broken stone and the limestone is a plurality, the particle diameter is 10-30mm, and the ratio of the particle number is broken stone: limestone 1: 1. The purification layer 4 of this ratio has the best treatment effect and can be used at low cost.
The first purification layer 41 has a particle diameter smaller than that of the second purification layer 42, which prevents clogging of the second purification layer 42.
As shown in fig. 1-4, the working process of the present invention is: according to the analysis of parameters such as non-point source pollution areas and rainfall of cities, key pollution areas are determined, then a treatment pool with a proper volume is built, and initial rainwater in the areas is guaranteed to be collected into the treatment pool.
The rainwater washes the pollutants on the road surface or the ground surface into the ground surface groove 9, the pollutants are discharged into the sedimentation tank 3 in the treatment tank 1 along with the ground surface groove 9 for preliminary sedimentation, the settled sewage sequentially passes through the filtering of the first purification layer 41 and the second purification layer 42 and the microorganism treatment in the two purification layers, and the processor opens the valve 8 until the water quality sensor 6 detects that the sewage reaches the discharge standard, so that the discharge of the sewage is realized, and the discharged sewage can directly enter the river channel.
After the sewage enters the treatment tank 1, the sewage does not reach the discharge standard, so the valve member 8 is in a closed state, and along with the continuous entering of the sewage into the treatment tank 1, when the water level in the treatment tank 1 rises to the set position of the water level sensor 5, the processor controls the driving motor 24 to rotate, so that the cover plate 21 closes the inlet of the treatment tank 1. And at this moment, the pollution degree of the sewage in the surface ditch 9 is reduced to the standard of directly discharging to the river channel, even the sewage is consistent with the water quality in the river channel, and the rainwater can be completely discharged into the river channel.
To sum up, the embodiment of the present invention provides an urban non-point source pollution treatment system, which can conveniently control sewage to enter a treatment tank 1 through a cover plate mechanism 2, so as to avoid the occurrence of overflow phenomenon after the sewage is filled, perform preliminary sedimentation on the sewage through a sedimentation tank 3, finally perform treatment and filtration on the sewage through two purification layers 4, and enable microorganisms in the treatment tank 1 to purify the sewage until the sewage reaches the discharge standard.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. A non-point source pollution treatment system in cities is characterized by comprising:
the treatment tank is used for collecting and treating urban non-point source sewage;
the cover plate mechanism is positioned at the upper end of the treatment tank and used for opening or closing the treatment tank;
the sedimentation tank is arranged in the treatment tank, is positioned below the cover plate mechanism and is used for settling silt and impurities of the municipal sewage; and
the purifying layer is positioned in the treatment tank and below the sewage outlet of the sedimentation tank, and comprises a first purifying layer and a second purifying layer which are sequentially arranged from top to bottom, wherein the first purifying layer and the second purifying layer are both provided with fillers for microorganisms to attach; the side surface of the bottom of the treatment tank is provided with a water outlet, and the water outlet is communicated with the second purification layer.
2. The urban non-point source pollution treatment system according to claim 1, further comprising a surface trench disposed outside the treatment tank, wherein the settling tank is communicated with the surface trench.
3. The urban non-point source pollution treatment system according to claim 1, wherein a monitoring device is further arranged in the treatment tank, and the monitoring device comprises a water level sensor, a water quality sensor and a processor; the water level sensor and the water quality sensor are electrically connected with the processor.
4. The urban non-point source pollution treatment system according to claim 3, wherein the water level sensor is located on a side wall of the treatment tank, and the water quality sensor is arranged close to the water discharge opening.
5. The urban non-point source pollution treatment system according to claim 3, wherein the cover plate mechanism comprises a cover plate, a rotating rod fixedly connected with the cover plate, and a driving motor connected with the rotating rod through a chain; the driving motor is electrically connected with the processor.
6. The urban non-point source pollution treatment system according to any one of claims 1 to 5, wherein the bottom surface of the treatment tank is arranged obliquely, and the water discharge port is close to the lowest end of the bottom surface of the treatment tank.
7. The urban non-point source pollution treatment system according to any one of claims 3 to 5, wherein a drain pipe is connected to the drain port, and a valve is arranged on the drain pipe; the valve is electrically connected with the processor.
8. The municipal non-point source pollution abatement system of claim 1, wherein said precipitation tank is located above said purification layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220504003.9U CN216946647U (en) | 2022-03-07 | 2022-03-07 | Urban non-point source pollution treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220504003.9U CN216946647U (en) | 2022-03-07 | 2022-03-07 | Urban non-point source pollution treatment system |
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| Publication Number | Publication Date |
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| CN216946647U true CN216946647U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220504003.9U Active CN216946647U (en) | 2022-03-07 | 2022-03-07 | Urban non-point source pollution treatment system |
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| CN (1) | CN216946647U (en) |
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- 2022-03-07 CN CN202220504003.9U patent/CN216946647U/en active Active
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