CN214143598U - Low-water-head sewage treatment structure for ecological hydropower station - Google Patents

Low-water-head sewage treatment structure for ecological hydropower station Download PDF

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Publication number
CN214143598U
CN214143598U CN202021255471.4U CN202021255471U CN214143598U CN 214143598 U CN214143598 U CN 214143598U CN 202021255471 U CN202021255471 U CN 202021255471U CN 214143598 U CN214143598 U CN 214143598U
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CN
China
Prior art keywords
oil
river
channel
dam
sewage treatment
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Expired - Fee Related
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CN202021255471.4U
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Chinese (zh)
Inventor
向金位
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Guizhou Xingjian Technology Co ltd
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Guizhou Xingjian Technology Co ltd
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Priority to CN202021255471.4U priority Critical patent/CN214143598U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/204Keeping clear the surface of open water from oil spills
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Removal Of Floating Material (AREA)

Abstract

The utility model discloses a sewage treatment structure of a low-water-head ecological hydropower station, which comprises a river blocking dam for dividing a river channel into an upstream river section and a downstream river section, wherein the bottom of the river blocking dam is provided with a drainage channel for communicating the upstream river section and the downstream river section, a hydraulic turbine power generation assembly is arranged in the drainage channel, and the output end of the drainage channel is a tail water port; the area between the oil retaining dam and the river retaining dam is an oil removal channel, a tail water port is communicated with the oil removal channel, and a water passing channel is reserved below the liquid level of the downstream river section at the lower edge of the oil retaining dam; the impeller assembly is arranged in front of the tail water port, and tail water from the tail water port impacts the impeller assembly to rotate; the oil scraping assembly is arranged in the oil removing channel and is in transmission connection with the impeller assembly. The utility model provides an ecological power station sewage treatment structure of low head can handle the greasy dirt that the power station produced, does benefit to the ecological protection in power station low reaches river course.

Description

Low-water-head sewage treatment structure for ecological hydropower station
Technical Field
The utility model relates to a power station technical field especially relates to ecological power station sewage treatment structure of low head.
Background
The hydropower station is a comprehensive engineering facility capable of converting water energy into electric energy. The low-head hydropower station is mostly arranged in the middle and downstream river reach of the river. The water flow of the middle and downstream river sections is smooth, the method is suitable for fish and shrimp growth, the river water is drained for irrigation and the like, the distance between the river water and the sea mouth is close, and the ecological protection of the middle and downstream river sections of the river is very important.
Although hydroelectric power generation is a pollution-free clean renewable energy source, various electromechanical devices are required in the power generation of the hydropower station at present, oil stains leak after the devices are used for a long time, and the leaked oil stains enter a downstream river reach of the hydropower station along with water flow and can cause serious damage to the ecological protection of the downstream river reach of the hydropower station.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low-water-head ecological hydropower station sewage treatment structure can handle the greasy dirt that the hydropower station produced, does benefit to the ecological protection in hydropower station low reaches river course.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a sewage treatment structure of a low-water-head ecological hydropower station, which comprises,
the river blocking dam penetrates through two banks of a river channel and divides the river channel into an upstream river section and a downstream river section, a drainage channel for communicating the upstream river section with the downstream river section is arranged at the bottom of the river blocking dam, a water wheel power generation assembly is arranged in the drainage channel, and the output end of the drainage channel is a tail water port;
the oil blocking dam is arranged at the downstream river section, the oil blocking dam transversely penetrates through two banks of the river channel, two sides of the oil blocking dam are respectively fixed on the two banks of the river channel, an oil removal channel is arranged in a region between the oil blocking dam and the river blocking dam, the tail water port is communicated with the bottom of the oil removal channel, and a water passing channel is reserved between the lower edge of the oil blocking dam and the bottom of the downstream river section and below the liquid level of the downstream river section;
the impeller assembly is arranged in the oil removal channel and is arranged in front of the tail water port, and tail water from the tail water port impacts the impeller assembly to rotate;
the oil scraping assembly is arranged in the oil removing channel, the oil scraping assembly is in transmission connection with the impeller assembly, the impeller assembly rotates to provide power driving, and the oil scraping assembly scrapes oil stains on the liquid level of the oil removing channel into an oil discharge groove connected with the river blocking dam.
The utility model has the advantages that: the greasy dirt that equipment was revealed flows out from the tailrace mouth along with rivers and gets into the oil removal canal, the greasy dirt proportion is little, float in the surface of water, it blocks in the oil removal canal to be blocked by the oil dam, the water of lower floor passes through water channel flow direction low reaches in the oil removal canal, the tailrace drive impeller subassembly that flows out from the tailrace mouth rotates, drive the oil scraping subassembly operation and introduce the oil drain tank with the greasy dirt of oil removal canal liquid level in, avoid greasy dirt flow direction low reaches to the ecological destruction that causes, the deoiling utilizes tailrace kinetic energy, need not other equipment drive, energy saving, and can avoid setting up drive arrangement trouble or reveal.
The device further comprises an aeration device, wherein the aeration device is arranged on the bottom surface of the tail water port, and the top surface of the tail water port is upwards inclined from the upstream river reach direction to the downstream river reach direction.
The beneficial effect of adopting the further scheme is that: the water through the river-blocking dam is the bottom water of the upstream river section, the oxygen content in the water is low, the oxygen content in the water entering the downstream river channel can be increased through the aeration device, the ecological protection of the downstream river section is facilitated, in addition, in the aeration process, bubbles float upwards, oil stains in the water can be brought to the liquid level, the oil-water layering is accelerated, the air floatation effect is achieved, the top surface of the tail water port inclines upwards from the upstream river section direction to the downstream river section direction, and the oil stains flowing to the oil removal channel surface layer in the air floatation manner are facilitated.
Furthermore, the top surface of the tail water gap is an outer convex cambered surface.
The beneficial effect of adopting the further scheme is that: the oil stain favorable for air floatation flows to the surface layer of the oil removal channel, and the oil stain on the air floatation is prevented from being accumulated on the top surface of the tail water port.
Further, still including set up in the booster compressor of upper reaches river reach, the output of booster compressor pass through the penstock with drainage channel's input intercommunication, the river of upper reaches river reach passes through after the booster compressor pressurization the penstock supplies in drainage channel.
The beneficial effect of adopting the further scheme is that: the pressure of water flow entering the drainage channel to scour the water wheel power generation assembly is increased, the power generation requirement is met, the water flow pressure is stable, the power generation is stable, and the water wheel power generation assembly is more suitable for low-water-head hydropower stations.
Further, still including set up in the gravel and sand dam of upstream river reach, the gravel and sand dam crosses the river course both sides, the last edge of gravel and sand dam is in the below of the liquid level of upstream river reach, the booster compressor is in between the gravel and sand dam with the dam of blocking a river, the gravel and sand dam is used for blocking gravel and sand.
The beneficial effect of adopting the further scheme is that: the sand and stone blocking dam blocks the sand and stone upstream of the sand and stone blocking dam and regularly removes the sand and stone, so that accidents such as equipment damage or blockage caused by the sand and stone entering the arrangement of a supercharger, a hydraulic power generation assembly and the like can be avoided.
Further, still include trash rack, trash rack's lower edge with the top fixed connection of gravel and sand dam, trash rack's last edge is in the top of upper reaches river reach liquid level, trash rack crosses the river course both sides, trash rack is used for the interception to float debris.
The beneficial effect of adopting the further scheme is that: the river course flows through cities and forests, a large amount of floating sundries such as municipal garbage, branches and leaves can be contained in river water, particularly in rainy seasons, the floating sundries are very many, if the floating sundries enter downstream along with the water flow, ecological damage can be caused, the downstream is difficult to treat, in addition, the floating sundries are extremely easy to block after entering a booster pump, a drainage channel or a water turbine power generation assembly, equipment is damaged, power generation and sewage treatment are not facilitated, the grid is arranged, the smooth proceeding of the power generation and the sewage treatment can be ensured, the floating sundries intercepted by the grid can be regularly removed, and the environment protection is facilitated.
Furthermore, the cross section of the sand and stone dam is in a trapezoid shape with a wide lower part and a narrow upper part.
The beneficial effect of adopting the further scheme is that: the design of improving the strength and stability of the sand and stone dam, increasing the underwater depth and the water pressure, and preventing the roots from being broken down by long-term scouring of the sand and stone dam due to the fact that the river bottom has a large amount of sand and stone and the roots are widened.
Furthermore, the oil scraping assembly comprises a first transmission roller, a second transmission roller, a transmission belt and an oil scraping plate, the first transmission roller is arranged below the liquid level of the oil removing channel, the second transmission roller is arranged above the liquid level of the oil removing channel, the transmission belt is sleeved outside the first transmission roller and the second transmission roller and is in transmission connection with the first transmission roller and the second transmission roller, the first transmission roller is in transmission connection with the impeller assembly, the impeller assembly provides power to drive the first transmission roller to rotate so as to enable the transmission belt to rotate, the transmission belt is made of hydrophilic and oleophobic materials, the oil scraping plate is obliquely arranged, the lower edge of the oil scraping plate is fixedly connected with the oil discharging groove, and the upper edge of the oil scraping plate is in surface contact with the transmission belt;
the transmission belt is used for adsorbing oil stains on the liquid surface of the oil removal channel and moving the oil stains to the oil scraping plate;
the oil scraping plate is used for scraping oil stains adsorbed on the surface of the transmission belt into the oil discharge groove.
The beneficial effect of adopting the further scheme is that: the oil stain on the surface of the oil removal channel is carried to the oil scraping plate by the conveying belt made of hydrophilic and oleophobic materials and is scraped into the oil discharge groove by the oil scraping plate, so that the oil stain in the water body can be conveniently removed.
Furthermore, be provided with elevating system on the dam of blocking a river, the oil extraction groove with elevating system's bottom fixed connection, elevating system is used for adjusting the height of oil extraction groove, the last edge of frizing with the surface that the drive belt contacted is vertical.
The beneficial effect of adopting the further scheme is that: can be according to the height of the water level adjustment oil extraction groove in the oil removal canal, the contact of frizing and conveyer belt is guaranteed to the homoenergetic behind the oil extraction groove altitude mixture control, guarantees going on of frizing, is applicable to each season.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention;
in the figure: 1. a river dam; 11. a drainage channel; 12. a hydro-generator assembly; 13. a tail water port; 14. a lifting mechanism; 15. an oil discharge groove; 2. an oil blocking dam; 21. an oil removal channel; 22. a water passage; 23. greasy dirt; 31. an upstream river section; 32. a downstream river section; 4. an impeller assembly; 51. a first drive roller; 52. a second driving roller; 53. a transmission belt; 54. a scraper plate; 6. an aeration device; 71. blocking a dam by sand and stone; 72. a trash rack; 81. a supercharger; 82. a pressure water pipe;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the embodiment of the sewage treatment structure of the low-head ecological hydropower station of the utility model comprises,
the river blocking dam 1 penetrates through two banks of a river channel and divides the river channel into an upstream river section 31 and a downstream river section 32, a drainage channel 11 for communicating the upstream river section 31 and the downstream river section 32 is arranged at the bottom of the river blocking dam 1, a water wheel power generation assembly 12 is arranged in the drainage channel 11, and the output end of the drainage channel 11 is a tail water port 13;
the oil blocking dam 2 is arranged on the downstream river section 32, the oil blocking dam 2 transversely penetrates through two banks of a river channel, two sides of the oil blocking dam 2 are respectively fixed on the two banks of the river channel, an oil removal channel 21 is arranged in a region between the oil blocking dam 2 and the river blocking dam 1, the tail water port 13 is communicated with the bottom of the oil removal channel 21, and a water passing channel 22 is reserved between the lower edge of the oil blocking dam 2 and the bottom of the downstream river section 32 below the liquid level of the downstream river section 32;
the impeller assembly 4 is arranged in the oil removal channel 21, the impeller assembly 4 is arranged in front of the tail water port 13, tail water from the tail water port 13 impacts the impeller assembly 4 to rotate, and the impeller assembly 4 can be fixed with the bottom of the oil removal channel 21, the river blocking dam 1, the oil blocking dam 2 or two banks of a river channel through a support;
the oil scraping assembly is arranged in the oil removing channel 21 and is in transmission connection with the impeller assembly 4, and the impeller assembly 4 rotates to provide power to drive the oil scraping assembly to scrape oil stains 23 on the liquid level of the oil removing channel 21 into the oil discharge groove 15 connected with the river blocking dam 1.
As a further scheme of the embodiment, the device further comprises an aeration device 6, wherein the aeration device 6 is arranged on the bottom surface of the tail water port 13, the top surface of the tail water port 13 inclines upwards from the direction of the upstream river reach 31 to the direction of the downstream river reach 32, and the top surface of the tail water port 13 is an outer convex cambered surface.
As a further aspect of the above embodiment, the present invention further includes a booster 81 provided in the upstream canal 31, an output end of the booster 81 is communicated with an input end of the diversion channel 11 through a pressure water pipe 82, and the river water in the upstream canal 31 is pressurized by the booster 81 and then supplied to the diversion channel 11 through the pressure water pipe 82.
As a further scheme of the above embodiment, the river-crossing debris blocking dam comprises a debris blocking dam 71 arranged on the upstream river reach 31, the debris blocking dam 71 crosses both banks of the river, the upper edge of the debris blocking dam 71 is below the liquid level of the upstream river reach 31, the bottom of the debris blocking dam 71 is fixed to the bottom of the upstream river reach 31 without a gap, the cross section of the debris blocking dam 71 is a trapezoid with a wide bottom and a narrow top, the supercharger 81 is arranged between the debris blocking dam 71 and the river blocking dam 1, and the debris blocking dam 71 is used for blocking debris.
As a further scheme of the above embodiment, the river channel further comprises a trash rack 72, wherein the lower edge of the trash rack 72 is fixedly connected with the top end of the sand and stone dam 71, the upper edge of the trash rack 72 is above the liquid level of the upstream river section 31, the trash rack 72 crosses two banks of the river channel, and the trash rack 72 is used for intercepting floating sundries.
Specifically, the oil scraping assembly comprises a first transmission roller 51, a second transmission roller 52, a transmission belt 53 and an oil scraping plate 54, the first transmission roller 51 is arranged below the liquid level of the oil removing channel 21, the second transmission roller 52 is arranged above the liquid level of the oil removing channel 21, two ends of the first transmission roller and two ends of the second transmission roller can be connected with two banks of the river channel, the river blocking dam 1 or the oil blocking dam 2 through brackets, the brackets are rotatably connected with the first transmission roller and the second transmission roller, the brackets are fixed with the two banks of the river channel, the river blocking dam 1 or the oil blocking dam 2, the transmission belt 53 is sleeved outside the first transmission roller 51 and the second transmission roller 52 and is in transmission connection with the first transmission roller 51 and the second transmission roller 52, the first transmission roller 51 is in transmission connection with the impeller assembly 4, the first transmission roller 51 and the impeller assembly 4 can be in transmission connection through coaxial arrangement, the impeller assembly 4 provides power to drive the first transmission roller 51 to rotate so as to drive the transmission belt 53 to rotate, the transmission belt 53 is made of a hydrophilic and oleophobic material, the oil scraping plate 54 is obliquely arranged, the lower edge of the oil scraping plate 54 is fixedly connected with the oil discharge groove 15, and the upper edge of the oil scraping plate 54 is in surface contact with the transmission belt 53;
the transmission belt 53 is used for adsorbing the oil stains 23 on the liquid surface of the oil removal ditch 21 and moving the oil stains 23 to the oil scraping plate 54;
the oil scraping plate 54 scrapes the oil stain 23 adsorbed on the surface of the belt 53 into the oil drain groove 15.
As a further scheme of the above embodiment, the river dam 1 is provided with the lifting mechanism 14, the oil discharge groove 15 is fixedly connected with the bottom of the lifting mechanism 14, the lifting mechanism 14 is used for adjusting the height of the oil discharge groove 15, the upper edge of the oil scraping plate 54 is vertical to the surface contacted with the transmission belt 53, the lifting mechanism 14 can be an existing hydraulic or electric lifting mechanism 14, the fixed end of the lifting mechanism 14 is fixed on the upper part of the river dam 1, the movable end of the lifting mechanism is fixedly connected with the oil discharge groove 15, the oil discharge groove 15 can be obliquely arranged towards one side of the river bank, at this time, the lifting mechanism 14 is respectively arranged at the positions, close to the two banks, of the river dam 1 and is respectively fixedly connected with the upper part and the lower part of the obliquely arranged oil discharge groove 15, and oil stains 23 in the oil discharge groove 15 are favorably.
The oil discharge groove 15 can also be directly fixedly connected with the river dam 1.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims (9)

1. The utility model provides a low-head ecological hydropower station sewage treatment structure which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the river blocking dam (1) penetrates through two banks of a river channel and divides the river channel into an upstream river reach (31) and a downstream river reach (32), a drainage channel (11) which communicates the upstream river reach (31) and the downstream river reach (32) is arranged at the bottom of the river blocking dam (1), a water wheel power generation assembly (12) is arranged in the drainage channel (11), and the output end of the drainage channel (11) is a tail water port (13);
the oil blocking dam (2) is arranged on the downstream river section (32), the oil blocking dam (2) transversely penetrates through two banks of the river channel, two sides of the oil blocking dam (2) are respectively fixed on the two banks of the river channel, an oil removing channel (21) is arranged in a region between the oil blocking dam (2) and the river blocking dam (1), the tail water port (13) is communicated with the bottom of the oil removing channel (21), and a water passing channel (22) is reserved between the lower edge of the oil blocking dam (2) and the bottom of the downstream river section (32) and below the liquid level of the downstream river section (32);
the impeller assembly (4) is arranged in the oil removal channel (21), the impeller assembly (4) is arranged in front of the tail water port (13), and tail water from the tail water port (13) impacts the impeller assembly (4) to rotate;
the frizing subassembly, the frizing subassembly set up in the oil removal canal (21), the frizing subassembly with impeller subassembly (4) transmission is connected, impeller subassembly (4) rotate and provide power drive the frizing subassembly will oil stain (23) of oil removal canal (21) liquid level scrape into with in oil drain groove (15) that dam (1) is connected block a river.
2. The sewage treatment structure of the low-head ecological hydropower station of claim 1, wherein: the device is characterized by further comprising an aeration device (6), wherein the aeration device (6) is arranged on the bottom surface of the tail water port (13), and the top surface of the tail water port (13) is inclined upwards from the direction of the upstream river section (31) to the direction of the downstream river section (32).
3. The sewage treatment structure of the low-head ecological hydropower station of claim 2, characterized in that: the top surface of the tail water port (13) is an outward convex cambered surface.
4. The sewage treatment structure of the low-head ecological hydropower station of claim 1, wherein: still including set up in booster compressor (81) of upstream river reach (31), the output of booster compressor (81) pass through pressure water pipe (82) with the input intercommunication of drainage channel (11), the river of upstream river reach (31) passes through behind booster compressor (81) pressurization through pressure water pipe (82) are supplied into drainage channel (11).
5. The sewage treatment structure of the low-head ecological hydropower station of claim 4, wherein: still including set up in gravel and sand barrage (71) of upstream river reach (31), gravel and sand barrage (71) cross the river course both sides, the last edge of gravel and sand barrage (71) is in the below of the liquid level of upstream river reach (31), booster compressor (81) are in gravel and sand barrage (71) with between river blocking dam (1), gravel and sand barrage (71) are used for stopping gravel and sand.
6. The sewage treatment structure of the low-head ecological hydropower station of claim 5, wherein: still include trash rack (72), trash rack (72) down along with the top fixed connection of gravel and sand dam (71), trash rack (72) go up along the top of upstream river reach (31) liquid level, trash rack (72) cross the river course both sides, trash rack (72) are used for intercepting floating debris.
7. The sewage treatment structure of the low-head ecological hydropower station of claim 5, wherein: the cross section of the sand and stone dam (71) is in a trapezoid shape with a wide lower part and a narrow upper part.
8. The sewage treatment structure of the low-head ecological hydropower station of claim 1, wherein: the oil scraping component comprises a first transmission roller (51), a second transmission roller (52), a transmission belt (53) and an oil scraping plate (54), wherein the first transmission roller (51) is arranged below the liquid level of the oil removing channel (21), the second transmission roller (52) is arranged above the liquid level of the oil removing channel (21), the transmission belt (53) is sleeved outside the first transmission roller (51) and the second transmission roller (52) and is in transmission connection with the first transmission roller (51) and the second transmission roller (52), the first transmission roller (51) is in transmission connection with the impeller component (4), the impeller component (4) provides power for driving the first transmission roller (51) to rotate so that the transmission belt (53) rotates, the transmission belt (53) is made of hydrophilic and oleophobic materials, the oil scraping plate (54) is obliquely arranged, the lower edge of the oil scraping plate (54) is fixedly connected with the oil discharging groove (15), the upper edge of the oil scraping plate (54) is in surface contact with the transmission belt (53);
the transmission belt (53) is used for adsorbing the oil stains (23) on the liquid surface of the oil removal channel (21) and moving the oil stains (23) to the oil scraping plate (54);
the oil scraping plate (54) is used for scraping the oil stains (23) adsorbed on the surface of the transmission belt (53) into the oil discharge groove (15).
9. The sewage treatment structure of the low-head ecological hydropower station of claim 8, wherein: be provided with elevating system (14) on river dam (1), oil extraction groove (15) with the bottom fixed connection of elevating system (14), elevating system (14) are used for adjusting the height of oil extraction groove (15), the last edge of frizing (54) with the surface that drive belt (53) contacted is vertical.
CN202021255471.4U 2020-06-30 2020-06-30 Low-water-head sewage treatment structure for ecological hydropower station Expired - Fee Related CN214143598U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021255471.4U CN214143598U (en) 2020-06-30 2020-06-30 Low-water-head sewage treatment structure for ecological hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021255471.4U CN214143598U (en) 2020-06-30 2020-06-30 Low-water-head sewage treatment structure for ecological hydropower station

Publications (1)

Publication Number Publication Date
CN214143598U true CN214143598U (en) 2021-09-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021255471.4U Expired - Fee Related CN214143598U (en) 2020-06-30 2020-06-30 Low-water-head sewage treatment structure for ecological hydropower station

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CN (1) CN214143598U (en)

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