CN203946980U - Beam-connected greenhouse rainwater-collecting and processing reclamation set - Google Patents
Beam-connected greenhouse rainwater-collecting and processing reclamation set Download PDFInfo
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- CN203946980U CN203946980U CN201420343915.8U CN201420343915U CN203946980U CN 203946980 U CN203946980 U CN 203946980U CN 201420343915 U CN201420343915 U CN 201420343915U CN 203946980 U CN203946980 U CN 203946980U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model discloses a kind of beam-connected greenhouse rainwater-collecting and process reclamation set, comprising rainwater gathering tube, abandoned stream filtration unit, two electric sequence controller, safe shunting well, module water reservoir, topping-up pump, more medium filter, ozonizer, Venturi ejector and clean water basin; Abandoned stream filtration unit is for tentatively realizing the dmp filter of 2-5mm; Two electric sequence controllers are for controlling the switch of water reservoir liquid level and abandoned stream filtration unit; Safe shunting well is for accurately filtering rainwater and controlling the water yield; Ozonizer and Venturi ejector are for generation of ozone water.The utility model utilizes ozone water to the rainwater sterilization that carries out disinfection of collecting, the problem that has solved water reservoir water quality deterioration, is again utilized rainwater, thereby has not only improved water resource utilization efficiency, improve region environment, also produced extra economic benefit.
Description
Technical field
The utility model relates to rainwater-collecting reuse technology field, particularly relates to a kind of beam-connected greenhouse rainwater-collecting and processes reclamation set.
Background technology
China is that water resources is relatively poor, spatial and temporal distributions extremely inhomogeneous country again.In water resources year, a year border changes greatly, in the year of precipitation and runoff, distributes and concentrates in the some months in summer; Lian Feng, connect the withered time and alternately occur, cause some regional Droughts to occur that frequent and the contradiction of supply and demand for the water resource the problem such as gives prominence to.China's gross amount of water resources more than 28,000 hundred million m
3, occupy the 6th, the world, but water resources ownership per capita only has 2300m
3, be about 1/4 of world's per capita share.81% of whole nation water resources is concentrated and is distributed in the Changjiang river and areas to the south thereof, and Huaihe River and northern area thereof, water resources quantity only accounts for 19% of the whole nation.Thereby, on the whole: the distribution of water resources is southern more than the north, and eastern region is more than west area.
Due to the difference of distribution of water resources and day by day increasing the weight of of China's water resource pollution, the water resources in China city is being faced with the problems such as not enough and shortage.Cause city water resource deficiency and short major cause: the one, gross amount of water resources congenital defect, has a large population, and water resources is few per capita.The 2nd, source quality worsens increasingly, can not meet the functional requirement that water body normal circulation is used, and has greatly reduced the situation of utilizing of effective water resources.A part of sewage in city does not directly enter in rivers,lakes and seas through processing, and causes the pollution of natural water body, has destroyed the benign cycle of natural water body.At present, water source, National urban only has 30% to meet hygienic standard, and the whole nation seven large water systems have over half contaminated, nearly 93% contaminated in 44 rivers of 42 big and medium-sized cities of flowing through.
Rainwater-collecting reclaiming system is generally by rainwater-collecting storage part at present, and rainwater purification treating part forms, but all comes with some shortcomings in varying degrees, for example:
1, traditional glass reinforced plastic banking system is easily grown algae in the rainy water capacity of solar irradiation, and microorganism amount reproduction is poor to water quality control, BOD, COD, N
+, the harmful substance contents such as SS is high.
2, glass reinforced plastic floor space is large.
3, use concrete banking system will do compression reinforcement keel and support, cost is high, and the cycle is normal, and water quality is perishable, and concrete composition easily causes rainwater hardness large.
4, after concrete structure excavation, can not reuse.
5, traditional disinfection way adopts and adds liquid chlorine or dioxide peroxide etc., has residual and taste.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of beam-connected greenhouse rainwater-collecting and processes reclamation set, and this device is simple to operate, can realize full automatic control and collect rainwater, and can ensure Rainwater Quality.
For solving the problems of the technologies described above, beam-connected greenhouse rainwater-collecting of the present utility model and processing reclamation set, comprising: rainwater gathering tube, abandoned stream filtration unit, two electric sequence controller, safe shunting well, module water reservoir, topping-up pump, more medium filter, ozonizer, Venturi ejector and clean water basin; Described rainwater gathering tube is used for gathering collection rainwater; Described abandoned stream filtration unit is connected on rainwater gathering tube, filters for the rainwater-collecting of tentatively realizing 2-5mm; Described two electric sequence controller is arranged on the end of rainwater gathering tube, for the liquid level of control module water reservoir and the switch of abandoned stream filtration unit; Described safe shunting well by pipeline be connected to two electric sequence controllers after, for accurately filter rainwater fine particle, get rid of sludge settling and control amount of rainfall; After described module water reservoir is connected to safe shunting well, and be arranged on subsurface, underground for rainwater is stored in; Described topping-up pump is arranged on module water reservoir bottom, for the rainwater of module water reservoir is promoted to more medium filter; After described more medium filter is connected to topping-up pump by pipeline, for filtering the rainwater from module water reservoir; Described ozonizer is connected with Venturi ejector, for generation of ozone gas, and ozone gas is sent into Venturi ejector; After described Venturi ejector is connected to more medium filter, for the ozone gas from ozonizer is made to ozone water, mix with the water filtering through more medium filter; After described clean water basin are connected to Venturi ejector and more medium filter, for storing clear water and to supplying water with water spot.
Preferably, on described module water reservoir, be provided with empty rinse mouth, between this cavity rinse mouth and described clean water basin, be connected with back flushing pipeline, be back to module water reservoir for the clear water that clean water basin are overflowed, the rubbish being attached on module water reservoir is washed in recoil off.
Preferably, after described Venturi ejector, be also connected with ozone water reflux line, the other end link block water reservoir of this ozone water reflux line, is back to module water reservoir for the part ozone water that Venturi ejector is produced.
Preferably, on the pipeline between described more medium filter and module water reservoir, be also connected with moisturizing pipeline, can not meet water needs for the water yield in module water reservoir time, supply tap water or river.
Beam-connected greenhouse rainwater-collecting based on said apparatus and processing reuse method, step comprises:
1) rainwater gathering tube is collected rainwater, tentatively realizes the dmp filter blowdown of 2-5mm through abandoned stream filtration unit;
2) two electric sequence controllers, by monitoring water reservoir liquid level, are controlled the amount of rainfall that flows into safe shunting well;
3) safe shunting well accurately filters rainwater, blowdown precipitation;
4) rainwater after safe shunting well filters flows into the storage of module water reservoir;
5) rainwater in module water reservoir, under the effect of topping-up pump, is thus lifted to more medium filter;
6) ozonizer is made ozone gas, pumps into Venturi ejector, is mixed and made into ozone water, gets in the water filtering through more medium filter, sends into clean water basin, supply water spot.
Described step 5), in the time that the moisture storage capacity in module water reservoir can not meet water needs, can be by moisturizing pipeline supply tap water or river to more medium filter.
Preferably, the clear water that clean water basin overflow is back to module water reservoir by back flushing pipeline, and the rubbish being attached on module water reservoir is washed in recoil off.
Preferably, the ozone water that Venturi ejector produces by ozone water reflux line partial reflux to module water reservoir, to the sterilization that carries out disinfection of the rainwater in module water reservoir.
Compared with existing rainwater-collecting treatment technology, beam-connected greenhouse rainwater-collecting of the present utility model and processing reclamation set, have the following advantages and beneficial effect:
1. module water reservoir occupation of land space is few, and spatial arrangement is flexible, can arrange module, thereby can economize the land resource below greenery patches, parking lot, road etc.PP module water reservoir can be realized bearing capacity more than 30t ton/square meter, and the rubbish being attached on module water reservoir can be cleaned out in time, thereby can accelerate construction period, reduces preparation of construction, increases work efficiency.
2. utilize ozone water to module water reservoir disinfection, water quality deterioration in module water reservoir and the problem of stagnant water are solved, make the water in water reservoir can be used in agricultural irrigation, subdistrict greening, view etc., not only greatly improve the utilising efficiency of water resources, improve region environment, also had potential direct or indirect economic benefit.The economic benefit of bringing of again utilizing of rainwater is mainly reflected in following three aspects: the one, can save huge municipal administration investment (for example construction fund of sewage work, collection sewer pipeline and flood discharge facility).The utilization again of rainwater can alleviate Sewage Plant load; The infitration galleries system of rain water reservoir and dispersion can reduce city flood pressure, saves the network of drains load under sealing road surface.The 2nd, can save have stable political situation urbanite water consumption spending of city.Rainwater utilization working cost is cheap, if use 1m
3charge for water be 3.00 yuan with (containing sewage disposal expense), and from operational management and community water expense Expenditure, drop into and collect 1m
30.10 yuan of the annual operating cost deficiency of rainwater, has greatly reduced urbanite water consumption spending.The 3rd, there is good industrial prospect, can form new growth engines.The market outlook of rainwater recycling are huge, in the following several years, are expected to form a new industry.Not only city can form such industry, and suburb samll cities and towns also can adopt and form in a like fashion industry.This industry is paid, is boosted economic growth, receives employment minimizing government finance, promotes the aspects such as town development all can give play to active effect.
Brief description of the drawings
Fig. 1 is beam-connected greenhouse rainwater-collecting of the present utility model and processes reclamation set and method flow schematic diagram.
Fig. 2 is the beam-connected greenhouse rainwater-collecting of the utility model embodiment and processes reclamation set one-piece construction schematic diagram.
In figure, description of reference numerals is as follows:
1: rainwater gathering tube
2: abandoned stream filtration unit
3: two electric sequence controllers
4: safe shunting well
5: module water reservoir
6: topping-up pump
7: more medium filter
8: ozonizer
9: Venturi ejector
10: clean water basin
11: blow-off pipe
12: back flushing pipeline
13: ozone water reflux line
14: moisturizing pipeline
15: access hole
Embodiment
Understand for technology contents of the present utility model, feature and effect being had more specifically, now by reference to the accompanying drawings, details are as follows:
Shown in Fig. 1,2, the beam-connected greenhouse rainwater-collecting of the present embodiment and processing reclamation set, mainly comprise rainwater gathering tube 1, abandoned stream filtration unit 2, two electric sequence controller 3, safe shunting well 4, PP (polypropylene) module water reservoir 5, topping-up pump 6, more medium filter 7, ozonizer 8, Venturi ejector 9 and clean water basin 10.
Described rainwater gathering tube 1 is for gathering collection rainwater.This rainwater gathering tube 1 is provided with overflow port, and in the time that flow mode is greater than pipeline flow, rainwater can enter water drain by overflow port.
Described abandoned stream filtration unit 2 is connected on rainwater gathering tube 1, and for tentatively realizing the rainwater-collecting filtration of 2-5mm, the impurity such as the sewage filtering out, particle, leaf enter drain collector.Abandoned stream filtration unit 2 can arrange multiple, and the present embodiment is provided with two.
Described two electric sequence controller 3 is arranged on the end of rainwater gathering tube 1.This pair of electric sequence controller 3 adopts chip program automatically to control, and is provided with 2 sequence controllers, when one of them sequence controller control is malfunctioning or occur leaking, when power down mode, another sequence controller is enabled protection.Sequence controller is furnished with display screen, for monitoring the switch of PP module water reservoir liquid level and control abandoned stream filtration unit 2, monitoring water supply, draining, moisturizing etc.
Described safe shunting well 4 by pipeline be connected to two electric sequence controllers 3 after, for accurately filter rainwater fine particle, discharge sludge settling and control amount of rainfall.This safe shunting well 4 is provided with access hole 15, overflow port and check valve.When rainwater within flow mode exceedes PP module water reservoir 5 or system break down, rainwater can enter drain collector by overflow port, to reduce accident potential.Check valve is used for preventing that rainwater from pouring in down a chimney.
After described PP module water reservoir 5 is connected to safe shunting well 4, and be arranged on undergroundly, for collecting rainwater, and rainwater be stored in underground, ensure the water quality of collected rainwater.The volume of PP module water reservoir 5 is determined according to storage amount of rainfall; if need the storage ground area of excavation large; set up formal style revetment or concrete and prevent landslide, set up the periphery protected modes such as concrete cushion, sand bedding course, wide sandy soil or mellow soil in module bottom.The material of PP module water reservoir 5 adopts the regeneration PP polypropylene of 100% high-quality, this kind of strength of materials high (bearing capacity that the PP module water reservoir 5 of the present embodiment can be realized more than 30t ton/square meter), water soaking is without precipitate, free from extraneous odour, there is superpower resistance to strong acid, strongly-acid, and 40 years above work-ing life, can instead clean, blowdown, be easy to safeguard.PP module water reservoir 5 adopts anti seepage membrane entirely to wrap up pattern, and uses double-deck non-woven geotextile protection anti seepage membrane, guarantees water-tight and infiltration.It is few that this PP module water reservoir 5 takes up an area space, and spatial arrangement is flexible, below greenery patches, parking lot, road etc., can arrange, therefore can save land resources.PP module water reservoir 5 is provided with empty rinse mouth, this cavity rinse mouth is connected with clean water basin 10 by a back flushing pipeline 12, the clear water that clean water basin 10 overflow can reflux and back flushing PP module water reservoir 5 by this back flushing pipeline 12, the garbage-cleaning being attached on PP module water reservoir 5 is fallen, discharge by blow-off pipe 11.PP module water reservoir 5 bottoms arrange topping-up pump 6, for the rainwater in PP module water reservoir 5 is promoted to more medium filter 7.
After described more medium filter 7 is arranged on PP module water reservoir 5, and be connected to topping-up pump 6 by pipeline.Before more medium filter 7, connect tap water/river moisturizing pipeline 14, in the time that the rainwater of PP module water reservoir 5 interior storages can not meet water needs, supply tap water or river.The main raw of more medium filter 7 is quartz sand, is mainly used in carrying out filtration cycle, back flushing, blowdown to the rainwater from PP module water reservoir 5 or by tap water or the river of 14 supplies of moisturizing pipeline.
After described Venturi ejector 9 is connected to more medium filter 7, and be connected with ozonizer 8 simultaneously.Described ozonizer 8 comprises oxygen generator, high-frequency and high-voltage discharge tube and spiral pump, oxygen generator is for generation of oxygen, high-frequency and high-voltage discharge tube is for being converted into ozone gas by oxygen by electrion, spiral pump, for ozone gas being sent into the Venturi ejector 9 of negative pressure suction, is mixed and made into the ozone water that concentration is 1-4ppm.The ozone water that Venturi ejector 9 produces, a part is mixed with the water filtering through more medium filter 7, flow in clean water basin 10, another part is back to PP module water reservoir 5 by ozone water reflux line 13, to the sterilization that carries out disinfection of the rainwater of PP module water reservoir 5 interior storages, solve rainwater in PP module water reservoir 5 in period of storage water quality deterioration when long or high temperature and the problem of stagnant water, ensure that the water in PP module water reservoir 5 is active water.
After described clean water basin 10 are connected to Venturi ejector 9, for storing the rainwater through ozone disinfecting-sterilizing, and rainwater are offered and uses water spot.Clean water basin 10 are connected with PP module water reservoir 5 by back flushing pipeline 12, and the clear water that clean water basin 10 overflow refluxes by back flushing pipeline 12, and back flushing PP module water reservoir 5, falls the garbage-cleaning being attached on PP module water reservoir 5.
Beam-connected greenhouse rainwater-collecting based on said apparatus and processing reuse method are as follows:
First, rainwater gathering tube 1 is collected rainwater, tentatively realizes the dmp filter blowdown of 2-5mm through abandoned stream filtration unit 2.Two electric sequence controllers 3, by monitoring PP module water reservoir 5 liquid levels, are controlled the amount of rainfall that flows into safe shunting well 4.The rainwater of safe shunting well 4 of flowing through is realized accurately and being filtered in safe shunting well 4, and blowdown precipitation, then flows into PP module water reservoir 5, is stored in underground.Rainwater in PP module water reservoir 5, under the effect of topping-up pump 6, is thus lifted to more medium filter 7 and again filters.If the water yield in PP module water reservoir 5 can not meet use needs, introduce tap water or river by moisturizing pipeline 14, supply is filtered to more medium filter 7.Simultaneously, ozonizer 8 produces ozone gas, send into Venturi ejector 9 by spiral pump, after fully mixing, make the ozone water that concentration is 1-4ppm, a part is got in the water filtering through more medium filter 7, to the water sterilization that carries out disinfection, then send into clean water basin 10, offer with water spot; Another part is back to PP module water reservoir 5 by ozone water reflux line 13, to the sterilization that carries out disinfection of the rainwater in PP module water reservoir 5.In the time that the water yield in clean water basin 10 exceedes its volume, the water overflowing is back to PP module water reservoir 5 via back flushing pipeline 12, PP module water reservoir 5 is carried out to back flushing, the garbage-cleaning adhering on PP module water reservoir 5 is fallen, discharge with blowdown, to ensure that the water in PP module water reservoir 5 and clean water basin 10 is all active water.
The calculating of rainwater-collecting amount, can adopt with the following method: the whole rainwater to booth are collected, and taking 30 mu of gutter-connected plastic tents as Units of Account, adjusts and collects rainfall.
Rainwater-collecting amount calculation formula is: Q=Ψ × λ × F × H × 10, wherein:
Ψ: rainfall runoff coefficient (road, roofing get 0.9, and ground greening gets 0.15, and roof greening gets 0.3)
λ: damage rate in season (getting 0.8)
F: water catchment area (the hectare Hm of unit
2)
H: the rainfall amount (m of unit
3)
The rainfall situation of can collecting in Shanghai City year calculating with calculation formula is according to the method described above in table 1:
Table 1 watershed and year can be collected rainfall
| Project | Watershed | Area | Year can be collected gross rainfall (m 3) | Remarks |
| 1 | Booth area | 20,000m 2 | 15,998.4 | Adjust by the area of 30 mu of booths |
The rainwater of Shanghai City every month can collecting amount in table 2:
Table 2 Shanghai City rainwater every month can collecting amount
| Month | Rainfall amount (mm) | Rainwater can collecting amount (m 3) |
| 1 | 39 | 702 |
| 2 | 58.8 | 1058.4 |
| 3 | 81.2 | 1461.6 |
| 4 | 102.3 | 1841.4 |
| 5 | 114.5 | 2061 |
| 6 | 152 | 2736 |
| 7 | 128.2 | 2307.6 |
| 8 | 133 | 2394 |
| 9 | 155.6 | 2800.8 |
| 10 | 60.5 | 1089 |
| 11 | 51.2 | 921.6 |
| 12 | 34.7 | 624.6 |
The construction capacity of PP module water reservoir designs according to rainwater-collecting amount.The factors such as Shanghai City rainfall number of days is about 93.7 days, and the rainfall amount of every rain is about 11.9mm, and consideration heavy rain in summer is more, and rainfall frequency is high, water consumption is large, design a rainfall and measure 40mm, can collect more than 80% rainfall.
Can draw according to aforementioned rainwater-collecting amount calculation formula, in the time of rainfall that a rainfall amount is 30mm, the water reservoir capacity (being rain water on roof design runoff total amount) needing is:
W=Ψ × F × H × 10=0.9 × 2 × 40 × 10=720 cubic meter
800 cubic metres of the present embodiment water reservoir capacities.
Rainwater is through the beam-connected greenhouse rainwater-collecting of the present embodiment with process after reclamation set sterilization, and water quality is significantly improved, and the detection data before rainwater sterilization and after sterilization are referring to table 3:
The water quality contrast that table 3 rainwater is sterilized forward and backward
| Test item | Rainwater before sterilization | Rainwater after sterilization |
| Biochemical requirement (mg/L) on the five | 45.2 | 10.5 |
| pH | 7.8 | 7.5 |
| Turbidity (NTU) | 15 | 4.6 |
| Excrement colibacillus group (individual/L) | 1000 | 20 |
| Suspended substance (SS) | 20 | 8 |
| Ammonia nitrogen (mg/L) | 3 | 2 |
After beam-connected greenhouse rainwater-collecting of the present utility model and processing reuse method are applied on 30 mu of blueberries, irrigate through the test of a year, rainwater in PP module water reservoir does not occur to leak and seeps water phenomenon, the nearly 10000t of water saving, blueberry growing way is vigorous, meet really more every mu of increase 500KG than former years, disease and pest occurs few, and fruit quality is good.
Claims (9)
1. beam-connected greenhouse rainwater-collecting and processing reclamation set, is characterized in that, comprising:
For gathering the rainwater gathering tube of collecting rainwater;
The abandoned stream filtration unit filtering for tentatively realizing 2-5mm rainwater-collecting, this abandoned stream filtration unit is connected on rainwater gathering tube;
For the two electric sequence controller of control module water reservoir liquid level and abandoned stream filtration unit switch, this pair of electric sequence controller is arranged on the end of rainwater gathering tube;
For accurately filter rainwater fine particle, get rid of sludge settling and control the safe shunting well of amount of rainfall, this safe shunting well by pipeline be connected to two electric sequence controllers after;
For storing the module water reservoir of rainwater, this module water reservoir is arranged on subsurface, and after being connected to safe shunting well;
For promoting the topping-up pump of hydraulic pressure, this topping-up pump is arranged on module water reservoir bottom;
For filtering the more medium filter from the rainwater of module water reservoir, after this more medium filter is connected to topping-up pump by pipeline;
For generation of the ozonizer of ozone gas;
For ozone gas being made to the Venturi ejector of ozone water, after this Venturi ejector is connected to more medium filter by pipeline, and be connected with ozonizer simultaneously;
For store clear water and to water spot supply water clean water basin, after these clean water basin are connected to Venturi ejector and more medium filter by pipeline.
2. device according to claim 1, is characterized in that, described rainwater gathering tube is provided with overflow port.
3. device according to claim 1, is characterized in that, described two electric sequence controllers comprise 2 sequence controllers.
4. device according to claim 1, is characterized in that, described safe shunting well is provided with access hole, overflow port and the check valve for preventing that rainwater from pouring in down a chimney.
5. device according to claim 1, is characterized in that, the coated outside anti seepage membrane of described module water reservoir, the double-deck non-woven geotextile of anti seepage membrane outer cladding.
6. device according to claim 1, is characterized in that, described ozonizer comprises oxygen generator, high-frequency and high-voltage discharge tube and spiral pump.
7. device according to claim 1, is characterized in that, on described module water reservoir, empty rinse mouth is set, and this cavity rinse mouth is connected with back flushing pipeline, and the other end of this back flushing pipeline is connected with clean water basin.
8. device according to claim 1, is characterized in that, also comprises ozone water reflux line, and this ozone water reflux line one end is connected to after Venturi ejector, the other end link block water reservoir.
9. device according to claim 1, is characterized in that, also comprises the moisturizing pipeline for supply tap water or river, and this moisturizing pipeline is connected between more medium filter and module water reservoir.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652526A (en) * | 2015-02-04 | 2015-05-27 | 北京中外建建筑设计有限公司 | Town residential area rainwater recovery system |
| CN105293749A (en) * | 2014-06-25 | 2016-02-03 | 拜森生物环保科技（上海）有限公司 | Multi-span greenhouse rainwater collecting and treating reusing device and method |
| CN105863018A (en) * | 2015-01-22 | 2016-08-17 | 苏州基业生态园林股份有限公司 | Rainwater collection and utilization system |
-
2014
- 2014-06-25 CN CN201420343915.8U patent/CN203946980U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293749A (en) * | 2014-06-25 | 2016-02-03 | 拜森生物环保科技（上海）有限公司 | Multi-span greenhouse rainwater collecting and treating reusing device and method |
| CN105863018A (en) * | 2015-01-22 | 2016-08-17 | 苏州基业生态园林股份有限公司 | Rainwater collection and utilization system |
| CN104652526A (en) * | 2015-02-04 | 2015-05-27 | 北京中外建建筑设计有限公司 | Town residential area rainwater recovery system |
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