CN2591106Y - Urban anti-stain fire-proof heatstroke-proof drought-proof rainwater infiltration well and matching device thereof - Google Patents
Urban anti-stain fire-proof heatstroke-proof drought-proof rainwater infiltration well and matching device thereof Download PDFInfo
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- CN2591106Y CN2591106Y CN 02277276 CN02277276U CN2591106Y CN 2591106 Y CN2591106 Y CN 2591106Y CN 02277276 CN02277276 CN 02277276 CN 02277276 U CN02277276 U CN 02277276U CN 2591106 Y CN2591106 Y CN 2591106Y
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Abstract
The utility model relates to a city waterlogging drainage facility, in particular to a rainwater seepage well for city water-logging prevention, fire prevention, sunstroke prevention and drought prevention and a matching device thereof. The utility model discloses a penetrating sand infiltration well, main part infiltration well and filtration infiltration trench, wherein the shaft comprises prefab or plain hole hollow brick step, and shaft upper portion sets up the well head, and shaft upper portion sets up the well lid, is connected by filtering the infiltration trench between well and the well. The rain water seepage well for preventing water damage, fire, sunstroke and drought changes the city rain water into city resource for scientific utilization, and is a technical revolution of city water conservancy construction. The urban rainwater is a resource which is owned by the country, and the country can carry out scientific and reasonable gathering, regulation and development layout on the urban rainwater, carry out a permission system on well construction and water taking and collect appropriate rainwater resource use management fees so as to stabilize the market water price, strengthen the water environment protection and increase the development and utilization of water resources and the construction strength of urban water conservancy facilities.
Description
Technical field
The utility model relates to city water drainage facility, refers in particular to city prevention against water-logging fire prevention heatstroke prevention take precautions against drought the rainwater seepage well and the corollary apparatus thereof of usefulness.
Technical background
Water is Source of life.The fresh water of earth land is mostly from the rainfall of the sky.In today of water scarcity, the general Ji of Heaven rainfall all living creatures are huge good thing really.Yet, the heavy rain big flood, no rain drought, flood water shortage, year after year.Except the atmospheric circulation effect, be exactly that the mankind violate the rules of nature, destroy the vicious circle that the ecological homeostasis causes.
Germany scientist analyze clear the reason of floods (especially city big flood) frequently takes place in recent years after, a plan that will change city 80% hardened ground into pervious surface has been proposed, different areas adopts diverse ways to complete different pervious floor tiles in the city, strengthen the function of the penetrating rainwater in ground, can avoid the city phenomenon that the large tracts of land accumulated water floods road and residential block to occur rainy season, utilize rainwater to replenish urban groundwater resource again.(on June 20th, 2002 " Global Times " environment and people special column " expert speaks " Li Hao " urban flood defence will be completed a permeable brick earlier " literary composition is introduced).The advanced technology and the application of Germany are with its overall national strength, and especially tremendous capital strength backs, and only part solves a few cities accumulated water problem and do not relate to the comprehensive utilization of urban rainwater resources, is unpractical in developing country's popularization and application.
The Chinese city rainwater resource fully utilizes and starts to walk, and " Beijing City rainwater utilization technology enlarges experiment with infiltration " research project has been finished and each city enforcement rainwater utilization demonstration project in the capital.Beijing water conservancy bureau also implements in several sub-districts with the rainwater utilization engineering that Essen, Germany university cooperates.These will help the development and use of capital rainwater resource, but need bigger place and reservoir volume, and one-time investment is higher, and fails to solve city accumulated water problem.The photojournalism that " ponding under the railway bridge of Zheng Changzhuang, West 4th Ring Road, Beijing, automobile waits in a queue " is just arranged on July 4th, 2002 " Global Times ".The capital is like this, and 663 organizational system cities of China " rain is completely for suffering from " are also not within minority.The one group of photo in the yueyang, hunan city sound of the Dongting Lake " newspaper " is report just: " in six, seven hours after morning July 22; city has suffered the extra torrential rain attack; lasting heavy rain causes young dike twenties tame warehouses to be flooded; Mei Xiqiao, crown prince mausoleum, hole resident are stranded; Yun Xi can not normally do business in tens tame shops, even causes the Beijing-Guangzhou Railway line to interrupt 3 hours ....”
Summary of the invention
The purpose of this utility model is improved at problem that exists in the above background technology and shortcoming, providing a kind of can be collected into well to rainwater and permeate the ground when heavy rain or torrential rain, treat that the sun shines again after the rain, return to draw up and be used as urban fire control fire extinguishing, carwash and flush the toilet, prevent heatstroke and lower the temperature, spill the city prevention against water-logging of keeping a public place clean, afforest drought resisting, capital construction water in the street prevent fires heatstroke prevention take precautions against drought rainwater seepage well and corollary apparatus thereof.
The technical solution of the utility model is such: the utility model comprises sand-penetrating water-leaching well, main water-leaching well and filtering-leaching trench, wherein well bore is by prefabricated component or flat hole hollow brick composition, upper wellbore section is provided with well head, well head top is provided with well lid, is connected by filtering-leaching trench between well and the well.
Advantage of the present utility model and effect.
1, rainwater seepage well and infiltration ditch are built in curbside, courtyard, depression, the lane in time to underground infiltration rainwater and silt, eliminated silt that city ponding and ponding carries secretly from the source and caused the obstruction of existing sewer, sand trap, completely emit the city accumulated water of formation, reached and taken precautions against and the purpose of radical cure city accumulated water disaster.
2; filter the infiltration ditch and go deep into face of land 0.6m; the darkest only 1m; sand-penetrating water-leaching well gos deep into face of land 1.5m; the darkest only 2m; main water-leaching well gos deep into face of land 6-9m; the darkest only 10m; all be in the optimum position of three layers of the upper, middle and lowers that store between phreatic 10 meters aquifers; balancedly permeate a large amount of rainwater and silt by their branch aspects; directly having replenished groundwater run off on the one hand (especially divides cloth cover the widest; the stock number maximum is convenient to the shallow-layer water yield that human exploitation utilizes maximum genus Quaternary system unconsolidated formation pore waters again most); on the other hand; the guiding that a large amount of silts are subjected to the floating holder of carrying of the flushing of rainwater and shallow seated groundwater to accept the unconsolidated formation hole naturally forms small silt and flows; both dredged the infiltration channel in aquifer; dehydration deposition is stopped up underground water and is revealed the underground funnel (a kind of geological disaster) that causes underground soil erosion to deep layer more gradually again; protected underground water and soil (equaling directly to give the underground reservoir mending-leakage) effectively; to improve the ability that conserves water and soil and the groundwater table in aquifer, reach and relax and elimination surface settlement; surface collapse; the purpose of serious environmental geological disasters such as crack, ground and seawater invasion.
3, rainwater seepage well and corollary apparatus thereof permeate scientific utilization on the spot to urban rainwater and silt; having changed in the past the rainwater band a large amount of silt dirts and directly pours sewer; enter Wastewater Treatment Plant after the repeated contamination; the all backward, corrupt and reactionary things of related treatment plant pour in the situation of rivers,lakes and seas together; eliminated the severe contamination of municipal sewage to face of land runoff water body; reduce urban rainwater simultaneously and led pressure to dirty dyke off, alleviated dyke fall crisis.Not only be beneficial to water environment protection but also be beneficial to flood control and combated a natural disaster.
4, city prevention against water-logging fire prevention heatstroke prevention take precautions against drought rainwater seepage well and corollary apparatus thereof urban fire control put out a fire, carwash is flushed the toilet, prevent heatstroke and lower the temperature, spill that drought resisting is kept a public place clean, afforest in the street, the capital construction water is peeled off out from city tap-water system, has reduced city tap-water factory production pressure.By national organizational system city 220.21 liters of day domestic consumptions per capita, the production capacity of existing city tap-water factory enough and have a surplus even reach 45% to National urban level in 2010, does not need a large amount of enlargings yet, increases and build the water works.Moreover light is built water factory, where fetch water? not a few cities problem, but global problem.Strict says, a series of urban environment problems such as urban water supply will become the significant problem of the influence whole world overall situation, and we should not concern that the problem of environment for human survival and quality of life leaves our descendants for to this.
5, fire-fighting fire extinguishing, life-and-death matter, and the warning responding is in time quick.Yet the scene of fire is mostly anhydrous, and desirable (having plenty of fire plug for a long time embroiders year in year out and dies in an accident or political incident out; The ornaments that have plenty of little water pipe of water tap or access failure water pipe; Have plenty of the hydraulic pressure deficiency, an utterly inadequate amount, zone of low population density does not just have fire water supply at all), People's Armed Police's public security fire-fighting personnel can only worry, and incurs loss through delay opportunity of combat, enlargement loss, and lesson is tangible many.Rebuild the especially enough water facilities of fire fighting device in each position in the city, difficulty is self-evident.To build the cover prevention against water-logging fire prevention heatstroke prevention rainwater seepage well of taking precautions against drought be not difficult matter and spend several thousand yuan.Build a cover seepage well, protect side's safety, and, " one prevents being main, four anti-having both ", " manufacturing products for both peacetime and wartime us is waited at ease for an exhausted opponent ".
6, because building, road in the city and other are made atural object and absorbed sunlight, and temperature generally will exceed the 0.6-5.6 degree than peripheral agricultural district in the city, this temperature difference is particularly evident in summer." heat island effect " in city is on the rise.The cities and towns reducing temperature of heatstroke prevention problem of assembling population 24.96% (will reach 45% in 2010) has not been can solve indoor by the electric fan air-conditioning.In full summer, it is undisputable fact (general knowledge) that the well water temperature is lower than surface temperature, the heat fine day, the cold water of main body rainwater seepage well drawn up to the city have one or two bath, reduce surface temperature, increase airborne humidity, oxygen and anion, the dirt in city, dust, silt are gone down with being flushed to, the city is salubrious, and the urban resident is also just comfortable.
7, the arid in city is often encouraged the high temperature in city.Sooner or later the cold water of rainwater seepage well is released in every day in dry season and to spray greenery patches flowers and trees, roofing lawn, square, street, in time remove damage caused by a drought, clean urban environment, the city will be beautiful more pleasant.
8, city car-washing has been spent valuable tap water freely.Only the annual carwash in Shanghai is with regard to ten thousand m surplus the unordered consumption tap water 1000
3, enough 150,000 resident living were equivalent to summation (about 1,000 ten thousand m of national annual water resource breach of more than 300 the urban water shortage amount in the whole nation with 1 year
3).Use the clean water carwash of rainwater seepage well instead and establish sewage clarification and the repeated use system, National urban is lack of water not just.
9, prevention against water-logging fire prevention heatstroke prevention take precautions against drought rainwater seepage well and corollary apparatus thereof bring into play after its utility function again can be naturally the rainwater of use reclaim, filter, sterilization is with the additional groundwater resources of recycling and continuous collections sky rainfall water continuation, the guarantee groundwater resources are abundant, eliminate the danger that the aquifer faces drainage.
10, take precautions against drought rainwater seepage well and corollary apparatus thereof of prevention against water-logging fire prevention heatstroke prevention gives full play to that Water seeks its own level and the self-cleaning function of water, and pre-buried quicklime when shaft building utilizes the infiltration of rainwater and the filtration of soil to implement sterilization again; In use rainwater infiltrates soil, heterotrophic microorganism breeds in a large number, high molecular carbohydrate, protein, fat etc. are resolved into low molecular organic matter, photosynthetic bacteria (a kind of beneficial microbe) is a large amount of subsequently occurs (particularly in the water body and aquifer soil that is polluted by organic matter), thereby plays the effect that purifies water.The rainwater of handling through physics, chemistry and biotechnology infiltrates continuously, replenishes and enriches underground water, helps removing urban groundwater resource and pollutes, and improves water environment.
11, implement rainwater seepage well construction project and can activate into cement prefabricated component enterprise of the thousands of family of various schools of thinkers, also can arrange hundreds thousand of laid-off construction workers to reemploy, can spur related industries such as dynamo-electric cement.
12, present, the every m of National urban tap water
32.2 about unit, (project of South-to-North water diversion a thousand li water transfer every m that goes to the capital
3Cost is more than 10 yuan) and during the every kw of household electricity about 0.52 yuan, with water pump every m of water lift from the rainwater seepage well
30.1 yuan of power consumption only is equivalent to one of 20 of water price from the beginning.About 6,000 yuan of the average cost of rainwater seepage well and corollary apparatus is with the 20m that on average fetches water every day
3Meter, the water rate that save half a year just is recoverable to investment, and its economic benefit is tangible.
Take precautions against drought rainwater seepage well and corollary apparatus thereof of prevention against water-logging fire prevention heatstroke prevention becomes in addition scientific utilization of urban resource to urban rainwater, is the field technology revolution that urban water conservancy is built.Urban rainwater is that resource just should be owned by the state; country just can carry out scientific and reasonable gathering, regulate and store and develop layout it; the shaft building water intaking is carried out licensing system and imposed suitable rainwater resource use and management expense; to stabilize the market water price; strengthen water environment protection, strengthen water resources development and utilization and urban water conservancy Facilities Construction dynamics.
Embodiment of the present utility model is provided by the following drawings
Description of drawings
Fig. 1 is the whole annexation schematic diagram of the utility model
Fig. 2 is Figure 1A-A trench sectional view
Fig. 3 is negative well preform structure figure
Fig. 4 is negative well shaft collar figure
Fig. 5 is a negative well well lid structure chart
Fig. 6 is a negative well Gaizhonggai structure chart
Fig. 7 is Fig. 3 I place enlarged drawing
Describe detail, working method and the principle of the utility model embodiment below with reference to the accompanying drawings in detail.
The specific embodiment
By Fig. 1 to 6 as can be known, the general pit shaft of sand-penetrating water-leaching well described in the utility model and main water-leaching well well bore is cylindrical, pit shaft internal diameter 1.2m, wall thickness 0.06m, the high 0.30m of every joint, hole ￠ 10 levels penetrate barrel, hole ratio 15%-18%, three joint pit shafts do not have slurry to being connected into the sand-penetrating water-leaching well body, 20-30 joint pit shaft does not have slurry to being connected into the main water-leaching well body, rainwater is carried silt secretly and can be infiltrated through in 10 meters aquifers from hole, and fine day, aquifer clean water can bleed back into the main body negative well from hole again to be convenient to take.
Make up the well bore that the also available flat hole of sand-penetrating water-leaching well hollow brick band cement mortar is built by laying bricks or stones, its internal diameter, function are identical with prefabricated flat hole pit shaft, being characterized in can be according to situation needs on the spot, the scene builds manually that to only limit to the sand-penetrating water-leaching well well bore (not too dark by laying bricks or stones, it is not too large that seismic forces peace normal pressure power is squeezed power, can guarantee constructor's safety).
Shown in Figure 4, make up rainwater negative well well head part, with the flat 5 skin headers of building of loam brick, be characterized in to add and subtract neatly header skin number to reach the desired ground level of well head and to make intake-outlet (water inlet is higher than delivery port 0.12m, is equivalent to the flat height of building of 2 skin headers) at well head.Simultaneously, header compressive resistance height can guarantee that well head stands the various destructive power in ground, and firm and durable, prevents the ground deformation breakage.
Shown in Figure 5, circular concentric pie suit well lid of the present utility model, be characterized in big enclosing cover diameter 1.5m, built-in ￠ 6 steel rings of thick 0.09m (big loop diameter 1.48m, ringlet diameter 0.33m, and the surface of enclosing to guarantee well with 4 ￠, 6 reinforcing bar buttings size two forms a firm integral body, a concentric circle holes is reserved at the Da Gai center, diameter 0.30m below the top diameter 0.36m, other makes a little dome (built-in 4 ￠ 6 reinforcing bars fasten as groined type) and pre-buried two reinforcing bar handle rings, and little dome just in time can cover completely big enclosing cover centres circular hole.The roundlet lid is opened flexibly, carries out him and can observe the rainwater degree of depth and quality in the well, can throw in disinfecting drug in well, and the additional well basal conglomerate puts in fire hose or submersible pump with suction in well, do not absorb water usually, builds tegillum and can guarantee safety.
Sand-penetrating water-leaching well; main water-leaching well and the bottom of filtering the infiltration ditch; evenly pave with gravel, can protect bottom soil not dashed (cavity impacts) by water and can reach even infiltration purpose well again, main water-leaching well gravel shaft bottom can also evenly bleed back shallow seated groundwater and use for drawing.
From whole assembly relation: described sand-penetrating water-leaching well is cylindrical, (0.3-0.5m is thick) evenly paved with coarse gravel in the shaft bottom, well bore does not have the slurry butt joint by the concrete prefabricated flat hole of 3 joints pit shaft and forms, also available flat hole hollow brick band grouts to be built, upper wellbore section is flat builds 5 skin headers and carries out trench intake-outlet (intake-outlet is higher than delivery port 0.12m), the well bore periphery adds quicklime with brick slag, dust and sand in the building waste and fills up compacting formation sterilised filtration layer, covers well lid and constitutes.
Described main water-leaching well does not have slurry to being connected into well bore by the prefabricated flat hole of 20～30 joints pit shaft with the deadweight sedimentation, the thick gravel of 0.5m is filled out in the shaft bottom, the well bore periphery is mixed building waste residue with quicklime and is built tight formation filtration sterilization permeable layer, upper wellbore is built 5 skin headers and is carried out filtration infiltration ditch water inlet with cement mortar is flat, covers well lid.
Described well lid is two circular concentric pie steel reinforced concrete prefabricated component suits, big enclosing cover diameter 1.5m, diameter 0.36m on the center hole face, below diameter 0.30m, little in capping diameter 0.36m, below diameter 0.30m, just in time cover centre bore with big enclosing cover suit.
Described filtration infiltration ditch is elongated, Irish bridge down excavates 0.6m * 0.6m trench between (or bowing along crossing the husky shaft bottom of depositing in water or other storm drains in the street) at the bottom of the roofing leader and sand-penetrating water-leaching well and main water-leaching well, and the bottom surface is evenly done and spread coarse gravel (0.24m is thick).Dress 0.24m * cast-in-place steel reinforced concrete the ditch of 0.24m reverse wall, many Pi Ping of yaw hole hollow brick in the ditch covers cover plate (or porous disc) and constitutes.
Described corollary apparatus gos deep into the suction piping of main water-leaching well bottom surface by pond, well, ditch, the pipe of rainwater collection, filtration, sterilization, infiltration, circulation, and submersible pump, centrifugal pump, slush pump, backwashing pump and overlap automatic water lift control system formation.
The utility model makes full use of prior art, at definite each urban geology of grasping, meteorological, the hydrology, building, after the technical data of water supply and draining and underground utilities and on-site land survey are examined, according to the overall construction plan in this city, the rational deployment prevention against water-logging fire prevention heatstroke prevention rainwater seepage well site that takes precautions against drought, utilize existing machinery and manually dig well equipment and technology to build and build different numbers in different positions in the city, take precautions against drought rainwater seepage well and mix different devices of the prevention against water-logging of different depth and different predominant uses fire prevention heatstroke prevention, make the performance of each well " one anti-be main; four anti-having both " utility function, in addition the most direct sky rainfall water resource, fullest, the most reasonable, the most effective sustainable, reusable edible.
Rainwater seepage well based on prevention against water-logging, build the desilting of avenue both sides Irish bridge in and cross well (city that has is a manhole), lean on the street along between the sidewalk tree of stone inboard, cross well density by the existing desilting of having built and be communicated with configuration one to one, to construct sand-penetrating water-leaching well, construct a hole main water-leaching well in the middle of every 6-8 the saturating husky well, use between each well and filter infiltration ditch UNICOM, carry out " joint defence of many wells, in time row's stain ".Also several sand-penetrating water-leaching wells are beaten around a main water-leaching well in lower, the place of ponding in the past of gesture selectively, with filtering infiltration ditch UNICOM, in time rainwater are permeated the ground in rainy season.
Rainwater seepage well based on fire prevention, build the lower and place that has a good transport service in each guard station institute of fire brigade of city in, by fire-fighting ride number, carry out the saturating husky seepage well configuration in main water-leaching well band two holes, a car one hole, the other dress of main shaft fire plug, centrifugal pump, slush pump, backwashing pump and automatic water lift control system ensure that conscientiously fire fighting truck is fully loaded fast.After fire fighting truck enters the scene of fire, can open main water-leaching well central lid nearby, fire hose is stretched into directly suction fire extinguishing in the well.
Based on the rainwater seepage well of heatstroke prevention, build ionization manure pit 10m distant place (main water-leaching well) in office, school, unit, factory, the sub-district courtyard in, and join water absorber; Bowing be 5 meters away from room at storm drain at the bottom of the roofing leader and behind the Fang Qianlou constitutes circulating water with a plurality of sand-penetrating water-leaching wells of structure far away and with filtering the mutual UNICOM of infiltration ditch, filters repeatedly, and infiltration repeatedly is used to wash ground, waters grass and support grass, reducing temperature of heatstroke prevention.With good conditionsily can also serve roofing " rain making " to well water or build up cooling such as artificial waterfall, fountain, cascade water sceneries.
Based on the rainwater seepage well of taking precautions against drought, build under street crossing center garden, the overpass bridge, in the botanical garden, the low-lying place on flowers and trees nursery, large-scale lawn, ecological square, limit, football field, to filter connect around above-mentioned place a plurality of sand-penetrating water-leaching wells and look the water yield and use and to build main water-leaching well in selected position of infiltration ditch, only preset the 220v3kw power supply, do not adorn other corollary apparatus.When arid, the staff only is with the drought resisting that just can absorb water of submersible pump, water pistol, and the sprinkling truck also can be with submersible pump to absorb water nearby and wash bridge floor, road surface.
Claims (7)
1, take precautions against drought rainwater seepage well and corollary apparatus thereof of a kind of city prevention against water-logging fire prevention heatstroke prevention, it is characterized in that it comprises sand-penetrating water-leaching well (6), main water-leaching well (7) and filtering-leaching trench (4), wherein well bore is by prefabricated component or flat hole hollow brick composition, upper wellbore section is provided with well head (2), well head (2) top is provided with well lid (3), is connected by filtering-leaching trench (4) between well and the well.
2, rainwater seepage well according to claim 1 and corollary apparatus thereof is characterized in that sand-penetrating water-leaching well (6) is cylindrical, and well bore does not have the slurry butt joint by the concrete prefabricated flat hole of 3 joints pit shaft and forms, and also available flat hole hollow brick band grouts to be built.
3, rainwater seepage well according to claim 1 and corollary apparatus thereof is characterized in that main water-leaching well (7) is cylindrical, do not have slurry to being connected into well bore by the prefabricated flat hole of 20～30 joints pit shaft with the deadweight sedimentation.
4, rainwater seepage well according to claim 1 and corollary apparatus thereof, it is characterized in that well head (2) constitutes with flat block of loam brick, well head (2) one upper lateral parts are established water inlet (21), and the opposite side bottom sets out the mouth of a river (22), and entery and delivery port is connected with filtering-leaching trench (4).
5, rainwater seepage well according to claim 1 and corollary apparatus thereof is characterized in that well lid (3) is circular pie, and the central authorities of well lid (3) establish a tapered edges tegillum, and tegillum central authorities are provided with the handle ring.
6, rainwater seepage well according to claim 1 and corollary apparatus thereof is characterized in that filtering-leaching trench (4) is made of the cast-in-place steel reinforced concrete ditch of reverse wall (41), the flat hole of yaw hollow brick in the ditch, and ditch is provided with cover plate (42), and the ditch two ends are connected with the negative well well head.
7, according to claim 1 or 2 or 3 or 6 described rainwater seepage well and corollary apparatus thereof, the bottom that it is characterized in that negative well and trench is all spread by gravel and is formed packing course (5), and the periphery of negative well adds lime with brick slag, dust and sand and forms packing course (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02277276 CN2591106Y (en) | 2002-09-13 | 2002-09-13 | Urban anti-stain fire-proof heatstroke-proof drought-proof rainwater infiltration well and matching device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02277276 CN2591106Y (en) | 2002-09-13 | 2002-09-13 | Urban anti-stain fire-proof heatstroke-proof drought-proof rainwater infiltration well and matching device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2591106Y true CN2591106Y (en) | 2003-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02277276 Expired - Fee Related CN2591106Y (en) | 2002-09-13 | 2002-09-13 | Urban anti-stain fire-proof heatstroke-proof drought-proof rainwater infiltration well and matching device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2591106Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100501019C (en) * | 2005-12-16 | 2009-06-17 | 周大林 | Water drainage device for quickly guiding seepage and accumulation of collecting rain |
| CN103015492A (en) * | 2012-11-13 | 2013-04-03 | 洛宁县志博农业新技术推广有限公司 | Time delay method for paddy field rain on-site storage |
| CN104196109A (en) * | 2014-06-11 | 2014-12-10 | 褚兴国 | Energy-saving, emission-reducing, land-humidifying and disaster-reducing water seepage well and setting method thereof |
| CN112031777A (en) * | 2020-08-14 | 2020-12-04 | 中煤建设集团有限公司 | Multilayer functional gradient vertical shaft wall structure and construction process |
| CN114965923A (en) * | 2022-05-16 | 2022-08-30 | 江苏华飞电子科技有限公司 | Online water quality environment monitoring device convenient to clearance |
-
2002
- 2002-09-13 CN CN 02277276 patent/CN2591106Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100501019C (en) * | 2005-12-16 | 2009-06-17 | 周大林 | Water drainage device for quickly guiding seepage and accumulation of collecting rain |
| CN103015492A (en) * | 2012-11-13 | 2013-04-03 | 洛宁县志博农业新技术推广有限公司 | Time delay method for paddy field rain on-site storage |
| CN104196109A (en) * | 2014-06-11 | 2014-12-10 | 褚兴国 | Energy-saving, emission-reducing, land-humidifying and disaster-reducing water seepage well and setting method thereof |
| CN112031777A (en) * | 2020-08-14 | 2020-12-04 | 中煤建设集团有限公司 | Multilayer functional gradient vertical shaft wall structure and construction process |
| CN114965923A (en) * | 2022-05-16 | 2022-08-30 | 江苏华飞电子科技有限公司 | Online water quality environment monitoring device convenient to clearance |
| CN114965923B (en) * | 2022-05-16 | 2023-11-21 | 江苏华飞电子科技有限公司 | Online water quality environment monitoring device convenient to clearance |
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