CN209815895U - Highway runoff self-loopa purifies emergency system in water source area protection zone - Google Patents
Highway runoff self-loopa purifies emergency system in water source area protection zone Download PDFInfo
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- CN209815895U CN209815895U CN201822005689.3U CN201822005689U CN209815895U CN 209815895 U CN209815895 U CN 209815895U CN 201822005689 U CN201822005689 U CN 201822005689U CN 209815895 U CN209815895 U CN 209815895U
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Abstract
The utility model relates to an environmental protection technology field especially relates to a water source ground protected area highway runoff self-loopa purifies emergency system. The system comprises an initial sedimentation tank, a zeolite adsorption tank and a deep purification tank, wherein the initial sedimentation tank, the zeolite adsorption tank and the deep purification tank are sequentially communicated in series; the early-stage sedimentation tank is provided with a pavement runoff water inlet pipe and an early-stage sedimentation tank water outlet, the pavement runoff water inlet pipe is communicated with the drainage side ditch, and the front end of the pavement runoff water inlet pipe is provided with a grid well and a circulating well. A water outlet of the zeolite adsorption tank is arranged on the zeolite adsorption tank, and zeolite with a certain thickness is paved in the zeolite adsorption tank; and a water outlet pipe of the deep evolution pond is arranged on the deep purification pond, and aquatic ecological plants are planted at the bottom of the deep evolution pond. The utility model discloses a highway runoff self-loopa purifies emergency system structure is complete, and convenient to use can in time punishment according to the poisonous and harmful liquid that actual conditions will earlier stage runoff, later stage runoff and reveal, fully strengthens the ability that water source ground protected area resisted the risk.
Description
Technical Field
The utility model relates to an environmental protection technology field especially relates to a water source ground protected area highway runoff self-loopa purifies emergency system.
Background
Along with the rapid increase of the construction scale of the highway, the interference degree of the highway to the surrounding environment gradually draws attention of people, and especially when the high-grade highway crosses environment sensitive areas such as a water source area protection area, the safety of a water environment is ensured to be particularly important. A large amount of research data show that a large amount of pollutants can be left on the road surface in the driving process of the vehicle, wherein waste gas, oil stains and heavy metals are main pollution sources, and if the road surface runoff is directly discharged without being treated, serious harm can be caused to the surrounding water environment. Meanwhile, if vehicles carrying various dangerous goods have accidents to leak toxic and harmful substances to a water area of a protected area, the damage cannot be measured. Therefore, while the traffic construction network is continuously developed, the road surface runoff at the periphery of the water source area protection area must be effectively treated, so that the water quality index reaches the discharge standards of II and III in the national surface water environmental quality standard (GB3838-2002), and the damage of road traffic operation to the water source area protection area is effectively reduced.
At present, China has achieved some achievements on pollution mechanism and treatment of highway runoff, but researches on highway runoff self-circulation purification emergency systems are few, and particularly the highway runoff self-circulation purification emergency systems in areas with strict requirements on emission standards such as water source area protection areas are almost blank. In view of the above, it is desirable to design a highway runoff self-circulation purification emergency system for a water source area protection area to solve the problem of water resource reuse and improve emergency capacity of the water source area protection area.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of prior art, adapt to reality needs, provide a water source ground protected area highway runoff self-loopa purifies emergency system.
In order to realize the utility model discloses a purpose, the utility model discloses a technical scheme do: a highway runoff self-circulation purification emergency system in a water source area protection area comprises an initial sedimentation tank 1, a zeolite adsorption tank 2 and a deep purification tank 3, wherein the initial sedimentation tank 1, the zeolite adsorption tank 2 and the deep purification tank 3 are sequentially communicated in series; the initial sedimentation tank 1 is provided with a pavement runoff water inlet pipe 5 and an initial sedimentation tank water outlet 12, the pavement runoff water inlet pipe 5 is communicated with a drainage side ditch 28, and the front end of the pavement runoff water inlet pipe is provided with a grid well 6 and a circulating well 8. A zeolite adsorption tank water outlet 15 is arranged on the zeolite adsorption tank 2, and zeolite 23 with a certain thickness is paved in the zeolite adsorption tank; the deep purification tank 3 is provided with a deep evolution tank water outlet pipe 18, and aquatic ecological plants 27 are planted at the bottom of the deep evolution tank water outlet pipe.
The primary sedimentation tank 1 is provided with a regulation-emergency tank 4 on one side, the regulation-emergency tank 4 is provided with a regulation-emergency tank water inlet pipe 19 and a regulation-emergency tank water outlet pipe 21, and the regulation-emergency tank water inlet pipe 19 is communicated with a drainage side ditch 28.
A grating plate 7 is arranged on the grating well 6; an overflow weir 9 is arranged between the grating well 6 and the circulating well 8.
Be equipped with a plurality of guiding walls 16 in the degree of depth purification pond 3, guiding wall 16 crisscross distribution separates into the crooked cavity of making a round trip with degree of depth purification pond 3, be provided with rubble baffle 17 in the degree of depth purification pond 3 of degree of depth evolution pond outlet pipe 18 inboard.
And an electric pressure thin tube 10 is arranged on the side wall of the deep purification tank 3 between the rubble baffle 17 and the deep evolution tank water outlet pipe 18, and the other side of the electric pressure thin tube 10 is communicated with the circulating well 8.
The zeolite 23 laid at the bottom of the deep purification tank 3 is a coarse stone layer 24, a stone seed layer 25 and a stone rice layer 26 in sequence, and aquatic ecological plants 27 are planted on the stone rice layer 26.
The bottom of the initial sedimentation tank 1 is provided with a sand collection tank 11, and the sand collection tank 11 is a tank body with a narrow bottom and a wide opening.
A valve well 13 and a two-way vent valve 14 are arranged in the zeolite adsorption tank 2; the side wall of the zeolite adsorption tank 2 is provided with a highest water level line 22 of the zeolite adsorption tank.
The adjusting-emergency pool 4 is provided with a valve 20, and the valve 20 is in an open state in a normal state and is in a closed state in an emergency state.
The beneficial effects of the utility model reside in that:
1: the highway runoff self-circulation purification emergency system is complete in structure and convenient to use, can treat early-stage runoff, later-stage runoff and leaked toxic and harmful liquid in time according to practical conditions, and fully enhances the risk resistance of a water source area protection area.
2: the invention organically combines the initial sedimentation tank, the zeolite adsorption tank and the deep purification tank together, and has high purification degree and good environmental protection effect.
3: according to the invention, the front end of the initial sedimentation tank is provided with the grid well, so that the larger solid impurities in the road surface runoff can be filtered, and the impact and turbidity reaction caused by rapid flow of a water body can be reduced.
4: the grid well and the circulating well are communicated by the overflow weir, so that water in the circulating well can uniformly overflow into the grid well for circulating purification, and the reliability of the effluent quality is effectively ensured.
5: according to the invention, the sand collecting groove can collect and gather small solid impurities in runoff, and cleaning personnel can conveniently clean and transport the runoff.
6: the zeolite used in the present invention can be recycled after treatment.
7: in the invention, the guide walls are uniformly arranged along the direction of the water outlet of the zeolite adsorption tank, so that the flow of the runoff in the deep purification tank can be changed, the purification time of the runoff is prolonged, and meanwhile, the aquatic ecological plants can be conveniently updated and maintained by maintenance personnel.
8: according to the invention, the broken stone baffle can effectively prevent broken stones from continuously migrating and blocking the water outlet pipe of the deep purification tank due to the flowing of water.
9: in the invention, the electric pressure tubule can overcome certain water pressure obstacle, and orderly press water into the circulating well for waiting for recycling.
10: the regulation-emergency pool is relatively independent, and the pool has two purposes, so that later-stage runoff can be quickly treated, the runoff treatment load is reduced, toxic and harmful liquid leaked in an emergency state can be stored, and further diffusion of the toxic and harmful liquid to a water source area protection area is prevented.
Drawings
The present invention will be further described with reference to the accompanying drawings and embodiments.
FIG. 1 is a plan view of a highway runoff self-circulation purification emergency system in a water source area protection area;
FIG. 2 is a cross-sectional view of the section of FIG. 1I-I;
FIG. 3 is a cross-sectional view of the section of FIGS. 1 II-II;
FIG. 4 is a cross-sectional view of the III-III section of FIG. 1;
FIG. 5 is a schematic view of a partial pavement gutter.
In the figure: 1 is an initial sedimentation tank, 2 is a zeolite adsorption tank, 3 is a deep purification tank, 4 is an adjustment-emergency tank, 5 is a pavement runoff water inlet pipe, 6 is a grid well, 7 is a grid plate, 8 is a circulation well, 9 is an overflow weir, 10 is an electric pressure thin pipe, 11 is a sand collecting tank, 12 is an initial sedimentation tank water outlet, 13 is a valve well, 14 is a bidirectional blow-down valve, 15 is a zeolite adsorption tank water outlet, 16 is a flow guide wall, 17 is a gravel baffle, 18 is a deep purification tank water outlet pipe, 19 is an adjustment-emergency tank water inlet pipe, 20 is a valve, 21 is an adjustment-emergency tank water outlet pipe, 22 is a zeolite adsorption tank highest water level line, 23 is zeolite, 24 is a coarse stone layer, 25 is a stone seed layer, 26 is a stone rice layer, 27 is an aquatic ecological plant, and 28 is a drainage side ditch.
Detailed Description
The invention will be further described with reference to the following figures and examples:
see fig. 1-5.
The utility model discloses a highway runoff self-circulation purification emergency system in a water source area protection area, which comprises an initial sedimentation tank 1, a zeolite adsorption tank 2 and a deep purification tank 3, wherein the initial sedimentation tank 1, the zeolite adsorption tank 2 and the deep purification tank 3 are sequentially connected in series; the initial sedimentation tank 1 is provided with a pavement runoff water inlet pipe 5 and an initial sedimentation tank water outlet 12, the pavement runoff water inlet pipe 5 is communicated with a drainage side ditch 28, and the front end of the pavement runoff water inlet pipe is provided with a grid well 6 and a circulating well 8. A zeolite adsorption tank water outlet 15 is arranged on the zeolite adsorption tank 2, and zeolite 23 with a certain thickness is paved in the zeolite adsorption tank; the deep purification tank 3 is provided with a deep evolution tank water outlet pipe 18, and aquatic ecological plants 27 are planted at the bottom of the deep evolution tank water outlet pipe.
The primary sedimentation tank 1 is provided with a regulation-emergency tank 4 on one side, the regulation-emergency tank 4 is provided with a regulation-emergency tank water inlet pipe 19 and a regulation-emergency tank water outlet pipe 21, and the regulation-emergency tank water inlet pipe 19 is communicated with a drainage side ditch 28.
A grating plate 7 is arranged on the grating well 6; an overflow weir 9 is arranged between the grating well 6 and the circulating well 8.
Be equipped with a plurality of guiding walls 16 in the degree of depth purification pond 3, guiding wall 16 crisscross distribution separates into the crooked cavity of making a round trip with degree of depth purification pond 3, be provided with rubble baffle 17 in the degree of depth purification pond 3 of degree of depth evolution pond outlet pipe 18 inboard.
And an electric pressure thin tube 10 is arranged on the side wall of the deep purification tank 3 between the rubble baffle 17 and the deep evolution tank water outlet pipe 18, and the other side of the electric pressure thin tube 10 is communicated with the circulating well 8.
The zeolite 23 laid at the bottom of the deep purification tank 3 is a coarse stone layer 24, a stone seed layer 25 and a stone rice layer 26 in sequence, and aquatic ecological plants 27 are planted on the stone rice layer 26.
The bottom of the initial sedimentation tank 1 is provided with a sand collection tank 11, and the sand collection tank 11 is a tank body with a narrow bottom and a wide opening.
A valve well 13 and a two-way vent valve 14 are arranged in the zeolite adsorption tank 2; the side wall of the zeolite adsorption tank 2 is provided with a highest water level line 22 of the zeolite adsorption tank.
The adjusting-emergency pool 4 is provided with a valve 20, and the valve 20 is in an open state in a normal state and is in a closed state in an emergency state.
As shown in fig. 1 to 5, the highway runoff self-circulation purification emergency system for the water source area protection area comprises an initial sedimentation tank 1, a zeolite adsorption tank 2, a deep purification tank 3 and a regulation-emergency tank 4. The depth of each pool is the same but the designed water outlet depth is different,
the heights of the initial sedimentation tank water outlet 12, the zeolite adsorption tank water outlet 15, the deep purification tank water outlet pipe 18 and the adjusting-emergency tank water outlet pipe 21 are all lower than the height of the pavement runoff water inlet pipe 5, so that a water level difference is formed to be beneficial to water body flowing, the lengths of the initial sedimentation tank water outlet 12 and the zeolite adsorption tank water outlet 15 are preferably 600mm, and the diameters of the deep purification tank water outlet pipe 18 and the adjusting-emergency tank water outlet pipe 21 are preferably 300 mm.
As shown in FIG. 5, in normal condition, the road surface runoff is collected by the drainage side ditch 28, the bottom width and the ditch depth are preferably 50cm, and the unidirectional catchment length is preferably 300m-500 m. In order to facilitate the water body to flow, the slope of the longitudinal slope of the drainage side ditch 28 is preferably consistent with that of the longitudinal slope of the road surface and is not less than 0.3%, and the slope of the special road section is allowed to be reduced to 0.1%. The tail end of each section of the drainage side ditch 28 is provided with a road surface runoff water inlet pipe 5 and an adjusting-emergency water inlet pipe 19, and the diameter of the pipe orifice is preferably 400 mm. The pavement runoff water inlet pipe 5 is communicated with the initial sedimentation tank 1, the adjusting-emergency tank water inlet pipe 19 is in a closed state in a normal state, and the runoff water inlet pipe is opened by workers in the later stage of discharge or in an emergency state.
As shown in fig. 1 to 4, in a normal state, the road surface runoff enters the initial sedimentation tank 1 from the road surface runoff inlet pipe 5 through the drainage side ditch 28, the front end of the initial sedimentation tank is provided with a grid well 6, large solid impurities are trapped in the grid well 6, and the rest impurities flow into the sand collection tank 11 along with the runoff to carry out gravity type sedimentation. The initial sedimentation tank 1 is of a rectangular structure as a whole, the design length-width ratio is not smaller than 4, and the length, width and height of the inner dimension are preferably 12m multiplied by 2.5m multiplied by 1.5 m. The front end of the initial sedimentation tank 1 is provided with a grid well 6 and a circulating well 8, the grid well 6 and the circulating well 8 are communicated through an overflow weir 9, and the distance between the overflow weir 9 and the electric pressure tubule 10 is preferably 0.3m-0.4 m. The grid well 6 is provided with a grid plate 7, the distance between the grid plate and the road surface runoff water inlet pipe 5 is preferably 1.5-2 m, the gap between grid bars is preferably 30-40 mm, and the inclination angle of the grid is preferably 60-90 degrees. The sand collecting groove 11 is an isosceles trapezoid cross section, and the height is preferably 0.3m-0.5 m.
As shown in fig. 1 to 4, in a normal state, when the water level in the initial sedimentation tank 1 reaches the bottom height of the water outlet 12 of the initial sedimentation tank, the runoff will enter the zeolite adsorption tank 2 through the water outlet 12 of the initial sedimentation tank. The length, width and height of the inside of the zeolite adsorption tank 2 are preferably 7m multiplied by 3m multiplied by 1.5m, the zeolite 23 is paved in the zeolite adsorption tank, and the total thickness of the zeolite 23 is preferably 0.8m to 1 m. The wall corner at the bottom of the zeolite adsorption tank 2 is provided with a valve well 13, and the valve well 13 is internally provided with a two-way vent valve 14 which can rapidly discharge the sewage in the initial sedimentation tank 1 or the zeolite adsorption tank 2.
As shown in fig. 1 to 4, in a normal state, when a water level line in the zeolite adsorption tank 2 reaches the bottom height of the water outlet 15 of the zeolite adsorption tank, radial flow enters the deep purification tank 3 through the water outlet 15 of the zeolite adsorption tank. The length, width and height of the interior of the deep purification tank 3 are preferably 8.8m multiplied by 7m multiplied by 1.5 m. The bottom of the deep purification pool 3 is sequentially provided with a rough stone layer 24, a stone seed layer 25, a stone rice layer 26 and an aquatic ecological plant 27 from bottom to top, the laying thickness of each stone layer is preferably 15cm, 25cm and 10cm from bottom to top, and the aquatic ecological plant 27 is preferably Cyperus rotundus L, canna indica L, saxifraga stolonifera L or a combination of the three. Guide walls 16 are arranged in the deep purification tank 3 along the water outlet 15 of the zeolite adsorption tank, the preferable distance between the guide walls 16 is 0.8m-1m, and the height of the wall body is preferably 1/2 mm of the tank. One end of the guide wall 16 is fixed with the tank wall, and the distance between the other end of the guide wall and the tank wall is preferably 40cm-80 cm. A broken stone baffle plate 17 is arranged in the deep purification tank 3, preferably, the height is 55cm-60cm, and the broken stone baffle plate is flush with the design position of the grid plate 7. The design height of the electric pressure tubule 10 is slightly lower than that of the water outlet pipe 18 of the deep purification pool, the horizontal interval arrangement is preferably 0.3m-0.5m, the inclination is preferably 5-10 degrees, and the circulating water amount in unit time is preferably 20-30 percent of the total water amount. The runoff is finally discharged from the deep purification tank to the surrounding water area through a water outlet pipe 18.
As shown in fig. 1 to 4, the conditioning-emergency pool 4 is in an empty pool state in a normal state, and the conditioning-emergency pool water inlet pipe 19 is opened by a worker when runoff is processed in a later stage or in an emergency state. The design height of the adjusting-emergency pool water inlet pipe 19 is preferably the same as that of the road surface runoff water inlet pipe 5, and the adjusting-emergency pool water outlet pipe 21 is preferably designed at the bottom of the pool wall so as to facilitate the rapid discharge of water. Since the transportation volume of the dangerous goods transport vehicle per time does not exceed 20m3, the volume of accident water collected and contained in the emergency case is 40m3 (in case of accidents of two dangerous goods transport vehicles in the same drainage ditch). The length, width and height of the inner dimension of the adjusting-emergency pool 4 are preferably 12m multiplied by 2.5m multiplied by 1.5 m.
Specifically, the technical principle of the highway runoff self-circulation purification emergency system is that the pavement runoff flows into the initial sedimentation tank 1 from the pavement runoff water inlet pipe 5 through the drainage side ditch 28, the front end of the pavement runoff self-circulation purification emergency system is provided with the grid well 6 and the circulation well 8, the grid well 6 and the circulation well 8 are communicated through the overflow weir 9, large solid impurities are intercepted in the grid well 6, and other impurities flow into the sand collection tank 11 along with the runoff to perform gravity type sedimentation. When the water level line in the initial sedimentation tank 1 reaches the bottom surface height of the water outlet 12 of the initial sedimentation tank, the runoff enters the zeolite adsorption tank 2 through the water outlet 12 of the initial sedimentation tank, and the zeolite 23 has strong adsorbability and can well adsorb pollutants such as heavy metals and oil stains in the runoff. The wall corner at the bottom of the zeolite adsorption tank 2 is provided with a valve well 13, and the valve well 13 is internally provided with a two-way vent valve 14 which can rapidly discharge the sewage in the initial sedimentation tank 1 or the zeolite adsorption tank 2. When the water level line in the zeolite adsorption tank 2 reaches the bottom height of the water outlet 15 of the zeolite adsorption tank, the runoff enters the deep purification tank 3 through the water outlet 15 of the zeolite adsorption tank. The bottom of the deep purification pool 4 is sequentially provided with a rough stone layer 24, a stone seed layer 25, a stone rice layer 26 and aquatic ecological plants 27 from bottom to top, and the deep purification pool is mainly used for further adsorbing and intercepting toxic and harmful substances and nutrient substances in runoff. The deep purification pool 3 is internally provided with a guide wall 16 along the water outlet 15 of the zeolite adsorption pool, the height of the wall body of the guide wall is suitable for 1/2 deep in the pool, the main function is to prolong the effective purification time of the runoff in the deep purification pool 4 and facilitate the later maintenance of maintenance personnel on aquatic plants. The deep purification tank 4 is provided with a fine stone baffle plate 19, and the fine stone baffle plate 19 can effectively prevent the phenomenon that fine stones are continuously moved and block the water outlet pipe 18 of the deep purification tank due to runoff flowing. The design height of the electric pressure tubule 10 is slightly lower than that of the water outlet pipe 18 of the deep purification pool, the diameter of the pipe orifice is far smaller than that of the water outlet pipe 18 of the deep purification pool, one part of runoff flows into the initial sedimentation tank 1 through the electric pressure tubule 10 for circular purification, and the other part of runoff is directly discharged to the surrounding water area from the water outlet pipe 18 of the deep purification pool.
The adjusting-emergency pool 4 is provided with an adjusting-emergency pool water inlet pipe 19 connected with the drainage side ditch, the adjusting-emergency pool water inlet pipe 19 is in a closed state in a normal state, and is directly opened by a worker when toxic and harmful liquid is leaked due to the occurrence of an emergency accident on runoff or road surfaces in the later period of treatment. The later stage runoff is directly discharged to the surrounding water area through a water outlet pipe 21 of the adjusting-emergency pool, and the toxic and harmful liquid is intercepted in the adjusting-emergency pool 3 through a closing valve 20, is extracted after primary treatment and is conveyed to relevant departments for further treatment.
The above mentioned is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings or the direct or indirect application in the related technical field are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a water source area protected area highway runoff self-loopa purifies emergency system which characterized in that: the device comprises an initial sedimentation tank (1), a zeolite adsorption tank (2) and a deep purification tank (3), wherein the initial sedimentation tank (1), the zeolite adsorption tank (2) and the deep purification tank (3) are sequentially communicated in series; the early-stage sedimentation tank (1) is provided with a pavement runoff water inlet pipe (5) and an early-stage sedimentation tank water outlet (12), the pavement runoff water inlet pipe (5) is communicated with a drainage side ditch (28), and the front end of the pavement runoff water inlet pipe is provided with a grid well (6) and a circulating well (8); a water outlet (15) of the zeolite adsorption tank is arranged on the zeolite adsorption tank (2), and zeolite (23) with a certain thickness is paved in the zeolite adsorption tank; and a water outlet pipe (18) of the deep evolution pond is arranged on the deep purification pond (3), and aquatic ecological plants (27) are planted at the bottom of the deep evolution pond.
2. The water source area protection area highway runoff self-circulation purification emergency system according to claim 1, wherein: an adjusting-emergency pool (4) is arranged on one side of the initial sedimentation pool (1), an adjusting-emergency pool water inlet pipe (19) and an adjusting-emergency pool water outlet pipe (21) are arranged on the adjusting-emergency pool (4), and the adjusting-emergency pool water inlet pipe (19) is communicated with a drainage side ditch (28).
3. The water source area protection area highway runoff self-circulation purification emergency system according to claim 1, wherein: a grating plate (7) is arranged on the grating well (6); and an overflow weir (9) is arranged between the grating well (6) and the circulating well (8).
4. The water source area protection area highway runoff self-circulation purification emergency system according to claim 1, wherein: be equipped with a plurality of guiding walls (16) in degree of depth purification pond (3), guiding wall (16) crisscross distribution separates into the cavity of making a round trip bending with degree of depth purification pond (3), be provided with rubble baffle (17) in degree of depth purification pond (3) of degree of depth evolution pond outlet pipe (18) inboard.
5. The water source area protection area highway runoff self-circulation purification emergency system according to claim 4, wherein: be provided with electric pressure tubule (10) on deep purification pond (3) lateral wall between rubble baffle (17) and degree of depth evolution pond outlet pipe (18), electric pressure tubule (10) opposite side and circulation well (8) intercommunication.
6. The water source area protection area highway runoff self-circulation purification emergency system according to claim 1, wherein: zeolite (23) laid at the bottom of the deep purification tank (3) are a coarse stone layer (24), a stone seed layer (25) and a stone rice layer (26) in sequence, and aquatic ecological plants (27) are planted on the stone rice layer (26).
7. The water source area protection area highway runoff self-circulation purification emergency system according to claim 1, wherein: the sand collecting tank (11) is arranged at the bottom of the initial sedimentation tank (1), and the sand collecting tank (11) is a tank body with a narrow bottom and a wide opening.
8. The water source area protection area highway runoff self-circulation purification emergency system according to claim 1, wherein: a valve well (13) and a two-way vent valve (14) are arranged in the zeolite adsorption tank (2); the side wall of the zeolite adsorption tank (2) is provided with a highest water level line (22) of the zeolite adsorption tank.
9. The water source area protection area highway runoff self-circulation purification emergency system according to claim 2, wherein: the adjusting-emergency pool (4) is provided with a valve (20), the valve (20) is in an open state in a normal state and is in a closed state in an emergency state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822005689.3U CN209815895U (en) | 2018-11-30 | 2018-11-30 | Highway runoff self-loopa purifies emergency system in water source area protection zone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822005689.3U CN209815895U (en) | 2018-11-30 | 2018-11-30 | Highway runoff self-loopa purifies emergency system in water source area protection zone |
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| CN209815895U true CN209815895U (en) | 2019-12-20 |
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| CN201822005689.3U Expired - Fee Related CN209815895U (en) | 2018-11-30 | 2018-11-30 | Highway runoff self-loopa purifies emergency system in water source area protection zone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354323A (en) * | 2018-11-30 | 2019-02-19 | 南昌大学 | A kind of wellhead protection zone highway runoff self-circulation purifying emergency system |
| CN112538879A (en) * | 2020-12-29 | 2021-03-23 | 东莞市金建达建筑有限公司 | Highway sewage treatment structure and treatment method thereof |
-
2018
- 2018-11-30 CN CN201822005689.3U patent/CN209815895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354323A (en) * | 2018-11-30 | 2019-02-19 | 南昌大学 | A kind of wellhead protection zone highway runoff self-circulation purifying emergency system |
| CN112538879A (en) * | 2020-12-29 | 2021-03-23 | 东莞市金建达建筑有限公司 | Highway sewage treatment structure and treatment method thereof |
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