CN106968317A - A kind of construction site rainwater recycle reutilization system - Google Patents

A kind of construction site rainwater recycle reutilization system Download PDF

Info

Publication number
CN106968317A
CN106968317A CN201710342907.XA CN201710342907A CN106968317A CN 106968317 A CN106968317 A CN 106968317A CN 201710342907 A CN201710342907 A CN 201710342907A CN 106968317 A CN106968317 A CN 106968317A
Authority
CN
China
Prior art keywords
rainwater
clear water
construction site
water reserviors
sedimentation basin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710342907.XA
Other languages
Chinese (zh)
Inventor
邹爱华
刘亮
乐强
王万贺
胡凡
赵云龙
刘柯彤
何新慧
杜红雨
王丽筠
俞杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING JIANGONG GROUP Co Ltd
Original Assignee
BEIJING JIANGONG GROUP Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING JIANGONG GROUP Co Ltd filed Critical BEIJING JIANGONG GROUP Co Ltd
Priority to CN201710342907.XA priority Critical patent/CN106968317A/en
Publication of CN106968317A publication Critical patent/CN106968317A/en
Pending legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F3/00Sewer pipe-line systems
    • E03F3/02Arrangement of sewer pipe-lines or pipe-line systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/04Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041Greywater supply systems
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/10Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03FSEWERS; CESSPOOLS
    • E03F5/00Sewerage structures
    • E03F5/14Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B1/00Methods or layout of installations for water supply
    • E03B1/04Methods or layout of installations for water supply for domestic or like local supply
    • E03B1/041Greywater supply systems
    • E03B2001/047Greywater supply systems using rainwater

Abstract

A kind of construction site rainwater recycle reutilization system, including system for reclaiming rainwater, processing system, rain recycling system and the make-up system being sequentially communicated;The system for reclaiming rainwater includes catch-basin and the roof rainwater collection case connected with catch-basin and ground rainwater gutter;The processing system includes the sedimentation basin connected with catch-basin, and the sedimentation basin is three-level sedimentation basin including the first stage precipitation tank, second-level settling pond and the clear water reserviors that are sequentially communicated;The rain recycling system includes the vehicle washing system connected with first stage precipitation tank and clear water reserviors circulation and circulates the rainwater-collecting tank connected with clear water reserviors;The make-up system includes the municipal tap water pipe network and municipal drainage pipe network connected with rainwater-collecting tank.The present invention solves construction site rainwater and can not be fully used, and causes the problem of water resource waste, construction cost increase.

Description

A kind of construction site rainwater recycle reutilization system
Technical field
The present invention relates to field of energy utilization, particularly a kind of construction site rainwater recycle reutilization system.
Background technology
Construction is that one of water rich and influential family is mainly used in city all the time, according to correlation measuring and calculating, and every square metre of construction of China is used About 1 ton of water.Except needing to expend great lot of water resources in such as production process of the construction material such as concrete, mortar, building block, stone material Outside, in terms of the various waterings in job site, depositing dust, vehicle wash, concrete curing, workmen's daily life wash water It account for very big ratio.But substantial amounts of base pit dewatering, natural rainwater often do not obtain enough attention but, cause water resource Waste, and add the construction cost of engineering, therefore the use of construction site rainwater recycle collection reutilization system at the construction field (site) By as a kind of inevitable trend.
The content of the invention
It is an object of the invention to provide a kind of construction site rainwater recycle reutilization system, construction site rainwater is solved not It can be fully used, cause the problem of water resource waste, construction cost increase.
To achieve the above object, the present invention is adopted the following technical scheme that:A kind of construction site rainwater recycle reutilization system, Including the system for reclaiming rainwater being sequentially communicated, processing system, rain recycling system and make-up system;
The system for reclaiming rainwater includes catch-basin and the roof rainwater collection case and ground rainwater that are connected with catch-basin Gutter;The processing system includes the sedimentation basin connected with catch-basin, and the sedimentation basin is three-level sedimentation basin including connected successively Logical first stage precipitation tank, second-level settling pond and clear water reserviors;The rain recycling system includes and first stage precipitation tank and clear water The vehicle washing system of pond circulation connection and the rainwater-collecting tank connected with clear water reserviors circulation;
The make-up system includes the municipal tap water pipe network and municipal drainage pipe network connected with rainwater-collecting tank.
It is preferred that, the roof rainwater collection case is connected by pipeline with toilet flushing system.
It is preferred that, the ground rainwater gutter includes collecting Office Area and the daily routines area gutter of living area rainwater Face the construction area gutter of side road rain water with collection job site.
It is preferred that, the sedimentation basin is rectangle form pool, the internal dividing wall set by two pieces of parallel intervals is divided into one-level Sedimentation basin, second-level settling pond and clear water reserviors;Separated between the first stage precipitation tank and second-level settling pond by the first dividing wall, institute State the first dividing wall upper one end be provided with connection the first overflow launder of the two;Pass through between the second-level settling pond and clear water reserviors Second dividing wall separates, and the upper one end of second dividing wall, which is provided with, connects the second overflow launder of the two;In the clear water reserviors Provided with elevator pump.
It is preferred that, the pond of the first stage precipitation tank and second-level settling pond is deeply identical and is less than the pond of clear water reserviors depth.
It is preferred that, the side wall top interval of the sedimentation basin is provided with three notches;One of notch correspondence is opened in one Level sedimentation basin position, for backflow notch;Another two notch correspondence is opened in clear water reserviors position, is Ka Guancaokou, the Ka Guancaokou Interior card has connecting water pipe;The width of the backflash is more than the width of card tube seat.
It is preferred that, the side-wall outer side correspondence notch position of the sedimentation basin is provided with elongated guiding gutter, the guiding gutter Bottom land is obliquely installed from Ka Guancaokou to backflow notch direction, and the gradient is 2%;The guiding gutter and backflow notch joint bottom Face is concordant;The outer wall of the guiding gutter is provided with bayonet socket.
It is preferred that, the vehicle washing system includes carwash platform and the connection that one end is fastened on the bayonet socket of guiding gutter outer wall Water spray pipe support in carwash platform both sides;The parallel uniform intervals in upper surface of the carwash platform are provided with vertical guiding gutter axis side To drainage groove, the drainage groove be obliquely installed to guiding gutter side and the gradient be 2%;The upper table of the carwash platform Face and the either flush of sedimentation basin;The water spray pipe support is connected by the connecting water pipe in card tube seat with clear water reserviors.
It is preferred that, the clear water reserviors connect to form circulation loop with rainwater-collecting tank head and the tail;The rainwater-collecting tank enters The mouth of a river is connected by rainwater-collecting tank inlet pipeline with clear water reserviors, delivery port is connected by rainwater-collecting tank outlet pipeline and clear water reserviors It is logical.
It is preferred that, the rainwater-collecting tank also connected by depositing dust pipeline with dust falling system, by green area irrigation pipeline with Irrigation system for greenbelt is connected, connected by concrete curing pipeline with storage concrete curing system.
Compared with prior art the invention has the characteristics that and beneficial effect:The construction site rainwater recycle of the present invention is again Using system, the reasonable recycling and reuse of construction site rainwater are realized, can not only be saved with the use of substantial amounts of reduction running water About water resource, also reduces Construction Cost;It is respectively formed and is recycled back between sedimentation basin and vehicle washing system and rainwater-collecting tank Road, realizes the recycled for multiple times for reclaiming rainwater, improves the utilization rate of rainwater;Rainwater-collecting tank also with municipal tap water subsystem Connected with municipal drainage subsystem, it is ensured that the benign cycle between rainwater-collecting tank and sedimentation basin.
In urban construction, note development rainwater recycle and recycle engineering, the rainwater saving being discharged originally is got off Utilize, both add water resource, be also the good measure for saving running water.Meanwhile, by the extensive development of rainwater catchment system, by Kept or bled back here underground in rainwater, reduce displacement, alleviate city flood damage threat, therefore, underground water is returned Mend, water environment is improved, and ecological environment is repaired;It can be said that rainwater catchment system is city water resource sustainable use One of important measures;Shortage of water resources can be solved to a certain extent using rainwater recycle reutilization technology, protected beneficial to environment The problems such as shield and sustainable development, rainwater catchment system technology is used for guard station of constructing, is a good try, helps to apply Done one's duty in terms of using water wisely and water resources development work order position.
Rainwater utilization operating cost is cheap, and economic benefit is protruded;Job site makes full use of the rainwater of collection to reduce The use of running water, it may also be used for green area irrigation, cleaning etc. of flushing the toilet, saving expense is considerable, most importantly saves The limited water resource in Beijing area, and the rainwater-collecting equipment applied of this engineering is also setting of being repeatedly used in turn Standby, collecting device input can repeatedly make thinner, and improve resource utilization, it is to avoid the waste that construction material is disposably put into.
In the reutilization system that the composite can be widely applied to water resource.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the system of the present invention.
Fig. 2 is the system diagram of rain water on roof recycling system.
Fig. 3 is the system diagram of ground rainwater recycling system.
Fig. 4 is the schematic diagram of the rainwater recycle reutilization system of embodiment one.
Fig. 5 is the structural representation that sedimentation basin is connected with vehicle washing system.
Fig. 6 is the planar structure schematic diagram of sedimentation basin.
Fig. 7 is the structural representation of A-A sections in Fig. 6.
Fig. 8 is the structural representation of B-B sections in Fig. 6.
Fig. 9 is the stereogram in gutter.
Figure 10 is the plan of gutter groove.
Figure 11 is the elevation of gutter groove.
Figure 12 is the elevation of rain perforaled strainer.
Figure 13 is the plan of rain perforaled strainer.
Figure 14 is the stereogram of catch-basin.
Figure 15 is that well room builds row's brick schematic diagram by laying bricks or stones.
Reference:1- catch-basins, 2- roof rainwater collections case, 3- daily routines area gutter, 4- construction areas row Ditch, 5- sedimentation basins, 6- vehicle washing systems, 7- rainwater-collectings tank, 8- municipal tap water pipe network, 9- municipal drainages pipe network, 10- toilet flushing systems, 11- dust falling systems, 12- irrigation system for greenbelt, 13- storage concrete curing systems.
Embodiment
Embodiment one is referring to shown in Fig. 1 and Fig. 4, by taking a certain mesh construction site rainwater recycle reutilization system in Beijing as an example, Consider from the climatic characteristic of Beijing area, Pekinese year sunshine time is 2778.7 hours, weather is that typical warm temperate zone is semi-moist Moisten continental monsoon climate, summer is burning hot and rainy, winter cold is dried, and spring, autumn are very brief, according to《Building and cell rainwater utilization Engineering legislation》(GB50400-2006) average annual rainfall for drawing Beijing is 571.9mm, the moon (July) most big every year Rainfall is 185.2mm, is one of most area of North China's rainfall, windward slope is up to more than 700mm, rainy season in front of the mountains Distribution is very uneven, and annual precipitation concentrates on summer, seven, August often have heavy rain appearance.
A kind of construction site rainwater recycle reutilization system, including system for reclaiming rainwater, processing system, the rain being sequentially communicated Water reutilization system and make-up system;The system for reclaiming rainwater includes catch-basin 1 and the roofing rain connected with catch-basin Water collection tank 2 and ground rainwater gutter;The processing system includes the sedimentation basin 5 connected with catch-basin, and the sedimentation basin 5 is Three-level sedimentation basin including the first stage precipitation tank being sequentially communicated, second-level settling pond and clear water reserviors;The rain recycling system bag Include the vehicle washing system connected with first stage precipitation tank and clear water reserviors circulation and circulate the rainwater-collecting tank 7 connected with clear water reserviors;Institute State municipal tap water pipe network 8 and municipal drainage pipe network 9 that make-up system includes connecting with rainwater-collecting tank 7;The rain water on roof Collecting box 2 is connected by pipeline with toilet flushing system 10;The ground rainwater gutter includes collecting Office Area and life The construction area gutter 4 of side road rain water is faced in the daily routines area gutter 3 and collection job site of area's rainwater;The clear water reserviors Connect to form circulation loop from beginning to end with rainwater-collecting tank 7;The water inlet of the rainwater-collecting tank 7 passes through rainwater-collecting tank water inlet pipe Road is connected with clear water reserviors, delivery port is connected by rainwater-collecting tank outlet pipeline with clear water reserviors;The rainwater-collecting tank 7 also passes through Depositing dust pipeline is connected with dust falling system, connected by green area irrigation pipeline with irrigation system for greenbelt, by concrete curing pipeline Connected with storage concrete curing system.
The sedimentation basin 5 is rectangle form pool, the internal dividing wall set by two pieces of parallel intervals is divided into first stage precipitation tank, Second-level settling pond and clear water reserviors;Separated between the first stage precipitation tank and second-level settling pond by the first dividing wall, described first The upper one end of dividing wall, which is provided with, connects the first overflow launder of the two;Between the second-level settling pond and clear water reserviors by second every Separate from wall, the upper one end of second dividing wall, which is provided with, connects the second overflow launder of the two;It is provided with and carries in the clear water reserviors Rise pump;The pond of the first stage precipitation tank and second-level settling pond is deeply identical and is less than the pond of clear water reserviors depth;The side of the sedimentation basin Wall top interval is provided with three notches;One of notch correspondence is opened in first stage precipitation tank position, for backflow notch;Another two groove Mouth correspondence is opened in clear water reserviors position, is Ka Guancaokou, and the intraoral card of card tube seat has connecting water pipe;The width of the backflash is big In the width of card tube seat;The side-wall outer side correspondence notch position of the sedimentation basin 5 is provided with elongated guiding gutter, the guiding gutter Bottom land is obliquely installed from Ka Guancaokou to backflow notch direction, and the gradient is 2%;The guiding gutter and backflow notch joint bottom Face is concordant;The outer wall of the guiding gutter is provided with bayonet socket.
Carwash platform and be connected to carwash that the vehicle washing system 6 is fastened on the bayonet socket of guiding gutter outer wall including one end The water spray pipe support of platform both sides;The parallel uniform intervals in upper surface of the carwash platform are provided with the row of vertical guiding gutter axis direction Water groove, the drainage groove is obliquely installed to guiding gutter side and the gradient is 2%;The upper surface of the carwash platform is with sinking The either flush in shallow lake pond;The water spray pipe support is connected by the connecting water pipe in card tube seat with clear water reserviors.
First, catch-basin is designed:It is shown in Figure 14, according to《Code for design of outdoor sewerage engineering》Catch-basin well head spacing is preferably 25 Catch-basin sets one using 30m in~50m, this engineering can meet use requirement.
Catch-basin construction process:The construction line-putting → excavation pit → rammed earth → mixes and stirs 3:7 dirt (pouring concrete) → block Build porous brick → installation rainwater grid → maintenance.
Catch-basin construction method:
(1) it is basic:Basis is using concrete bed course basis, inwall cement sand plaster.
(2) well room is built by laying bricks or stones:Shown in Figure 15, concrete foundation intensity must be reached after 1.2MPa, can carry out well Room is built by laying bricks or stones, before building by laying bricks or stones, should will be built part by laying bricks or stones and be cleaned out, and wetting of sprinkling water, and to the position brush plain-water slurry of dabbing processing, well Room is built by laying bricks or stones builds method using header, and two sides row's brick, the big mortar joint in outside " two points of jujubes " block is finished building after one layer, then fills a mortar, so After repave to grout and build last layer brick, vertically seam should stagger two layers of brick up and down;Lay bricks and preferably use " 31 " brick method, i.e., one shovel ash, One piece of brick, one squeeze and rubbed;During using paving slurry processes operation, the of length no more than 500mm of paving slurry, brick setting horizontal mortar joint full degree of mortar at bed joint is not 90% must be less than, vertical mortar joint preferably uses shove or adds paste-making method, makes its mortar full, forbidden with the water punching slurry cementation of fissures.When building by laying bricks or stones, The fissure of displacement above and below wanting, mutually overlap joint, horizontal mortar joint and the control of vertical mortar joint are in 8~12mm.
(3) mark time installation:Mark time installation when, it is desirable to vertical up and down, size is consistent, marks time to answer and is installed when building Jing Qiang by laying bricks or stones, Position is accurate, measures its spacing with chi at any time, jail is buried with mortar when laying bricks, and the benefit that must not hole afterwards dress, mortar does not solidify Before must not trample.
(4) pit shaft is built by laying bricks or stones:Pit shaft height should meet design requirement, and center line is hung when building by laying bricks or stones, and internal diameter chi is measured when building It is very little, prevent size from deviation occur, when circular closing in well shaft is built by laying bricks or stones, to be closed up according to design requirement.Four sides is every when closing up 30mm is not to be exceeded in layer;Every layer is not to be exceeded 40~50mm when three faces are closed up.
(5) wipe one's face jointing:Brick face first should be moistened with water before wiping one's face, then be wiped one's face using three times methods, first pass 1:2.5 cement Mortar bottoming, thick 10mm, it is necessary to be pressed into brickwork joint, and brick face firm pasting, it is levelling to smear thick 5mm for second time, smears thick 5mm pavings the 3rd time Along press polish, wiping one's face to accomplish without any letup, surface must not sand leakage grain, after the completion of wiping one's face, Jing Ding checks wall before answering covering curing, jointing Mortar joint depth, removes metope debris, watering moistening.Jointing requires that the depth is consistent, and junction is smooth, general to require deeper by 3 than metope ~4mm, has hooked one section and has cleaned one section.
(6) well ring and well lid are installed:Well ring is concrete prefabricated using C25, lower berth 1:3 cement mortar seat bottom.Well lid is used Model OT500-7 spheroidal graphite cast-iron novel anti-theft well ring cowling, in order to ensure the smooth-going of well lid and pavement of road, I takes charge of will be according to Pavement Design elevation, vertical and horizontal gradient, complete the installation of well ring and well lid before pavement asphalt upper layer is constructed;Specific construction size It can refer to construction atlas 02S515《Drainage inspection well》.
2nd, sedimentation basin is designed:Referring to shown in Fig. 5 to Fig. 8, construction sewage, the mud in building site must be provided with three-level precipitation row Facility is put, brick rear cement troweling can be used by making sedimentation basin, and also useful commercial concrete is cast, but bottom plate must commodity in use Concrete, sedimentation basin should set outer diameter ruler modest ability >=5.5m, width >=3m, depth >=2.0m, upper edge hole should from the ground height≤ 500mm, pool wall and three-level precipitation isolation wall thickness >=200mm, base plate thickness answer >=200mm;Set enclosing accounts for road building site, its The outside dimension that sedimentation basin is set can moderately reduce, but must meet displacement needs;In this engineering, sedimentation basin should set outer diameter ruler Modest ability is that 5.96m, a width of 3.6m, depth are 2.2m or 2.7m, and the external diameter pond depth of wherein first stage precipitation tank and second-level settling pond is 2.2m, the outer diameter ruler depth of clear water reserviors is 2.7m, and pool wall and three-level precipitation isolation wall thickness are 240mm, and base plate thickness should be 200mm。
(1) Sizing requirements of sedimentation basin:
1) superelevation of sedimentation basin is no less than 0.3m.
2) available depth of sedimentation basin preferably uses 2.0m~4.0m.
3) when using sludge bucket spoil disposal, each sludge bucket all should set single gate valve and discharge pipeline, the skew wall of sludge bucket With the inclination angle of horizontal plane, Fang Dou is preferably 60 °, and circle bucket is preferably 55 °.
4) diameter of discharge pipeline is no less than 200mm.
5) sedimentation basin should set excluding, conveying and disposal facility for scum silica frost.
3rd, rainwater-collecting tank:According to《Code for design of outdoor sewerage engineering》Regulation, the volume of rainwater-collecting tank is no less than maximum One water pump 30s water yield, shown in Figure 4, the water pump connected in this engineering with rainwater-collecting tank has two, and one is located at In sedimentation basin, it is responsible for supplying water to sedimentation basin, another is connected with rainwater-collecting tank by pipeline, is responsible for supplying water for applying to sprinkling truck Work scene depositing dust is used, two 50m of site layout project3Rainwater-collecting tank be fully able to meet construction requirement, used in this engineering Rainwater-collecting tank is the overall rainwater collection pool of YFRP- environment-friendly types, and material is that can to dig out circulation at the end of fiberglass, engineering sharp again With, environment will not be damaged, and saving construction material.
4th, gutter:It is shown in Figure 9, this engineering due to job site road surface harden do it is good, road is flat, in order to Construction volume is reduced, mouth of a river depth is unsuitable too deep, therefore uses draining ditch water discharge;The gutter of job site requires not strict, only Job site Lin Biandaolu drainage requirement need to be met.
Referring to shown in Figure 10 and Figure 11, the longitudinal section in gutter described in this engineering is semicircular arc, and side slope value uses 1: 0.75, the gutter includes groove and cover plate, and the groove includes semicircular arc main body and prolonged along body end to both sides The extension side stretched, the two ends on the extension side are provided with connecting hole, and a length of 1000mm of groove, a width of 460mm, effective draining are deep Spend for 200mm;The cover plate is rectangular slab, including main body and overlap edge from main body to both sides that extend along, the thickness of the overlap edge Degree is that the thickness that 35mm is less than main body is 50mm;The middle part of the cover plate is provided with rain perforaled strainer, and the rain perforaled strainer is combed for rectangle Son, a length of 500mm, width 400mm, cross dimensions is consistent with cover plate.
1) size design in gutter:Gutter of the present invention is designed primarily for job site, so the chi in gutter It is very little unsuitable excessive, the convenient requirement of cleaning need to be only met, therefore the section in gutter is designed according to the shape of spade; The length in this gutter devises six sizes altogether, and 0.5m, 1m, 1.5m, 2m, 2.5m, 3m make in order to the place of different length With.
2) the material selection in gutter:Using stainless steel, transport and installation are all very convenient, and corrosion resistance is good, Service life is long, reasonable price, specious, most importantly can meet green construction with Reusability, and civilized construction is applied Work theory.
3) connected mode in gutter:Fixed, and often used between section gutter with bolt by connector Soft water-proof strip fills out seam tightly, prevents rainwater leakage loss.
4) size design of rain perforaled strainer:Referring to shown in Figure 12 and Figure 13, for the size in correspondence gutter, rain perforaled strainer Length use 500mm, width is 400mm, is separately processed again if any special requirement.
5) the material selection of rain perforaled strainer:In order to reach consistent effect attractive in appearance with gutter, so rain perforaled strainer is also adopted Use stainless steel;But in view of all costly using stainless steel rain perforaled strainer, job site resource is made full use of, is utilized Remaining concrete make with rain perforaled strainer size identical concrete prefabricated board, play protection gutter and keep gutter The effect of cleaning, so not only reduces cost, and reduce the waste of resource.
6) connected mode of rain perforaled strainer:The section of rain perforaled strainer is designed according to the cross dimensions in gutter, itself It can snap on gutter, will not be moved;It is attached in order on gutter.
7) construction faces by-pass road direction gutter and looks for the slope gradient to take 0.3%.Gutter is from distal end to catch-basin, sedimentation basin is looked for Slope, meets drainage grade requirement.
5th, rainwater recycle utilizes the calculating of system
(1) design flow of storm drain QsCalculate:
It should be calculated by following equation:
Qs=q ψ F
In formula:Qs- design flow of storm drain (L/s);
Q-design storm intensity [L/ (shm2];
ψ-runoff coefficient;
F-catchment area (hm2)。
This engineering living area, Office Area ground are infiltration brick paving, so runoff coefficient takes 0.4, construction area ground is mixed Solidifying soil surface, runoff coefficient takes 0.9.
(2) design storm intensity q is calculated:
It should be calculated by following equation:
In formula:Q-design storm intensity [L/ (shm2];
T-rainfall duration (min);
P-Designed recurrence period (a);
A1, C, n, b-parameter, according to statistical method carry out calculating determination.
(3) the Design of Storm Sewer System return period:
The Design of Storm Sewer System return period, it should be determined according to factors such as the regional property of charge for remittance, lineament and climate characteristics.Together One drainage system can use same return period or different reoccurrence.Return period typically uses 0.5~3a, important arterial highway, importantly The area that area or short-term ponding can lead to grave consequences, typically using 3~5a, and answers Design coordination.Special vital area and Secondary sites can take the circumstances into consideration to increase and decrease.Due to this woks under construction, it is impossible to there are a large amount of ponding, so the return period takes 5a.
(4) rainfall duration t of Storm Sewer System calculates:
T=t1+mt2
In formula:T-rainfall duration (min);
t1Depending on-ground inlet time (min), apparent distance length, terrain slope and covered ground situation, typically using 5 ~15min;
M-reduction coefficient, hidden pipe reduction coefficient m=2, open channel reduction coefficient m=1.2, in abrupt slope area, hidden pipe reduction system Number m=1.2~2;
t2Rainwater fashionable colors (min) in-pipe duct.
In this engineering, ground inlet time takes 5min, and reduction coefficient is 2, and rainwater fashionable colors are 5min in pipe duct, so The rainfall duration of calculating is 15min.
(5) design storm Strength co-mputation:
Design flow of storm drain is calculated:
Qs=q ψ F=67 × 0.4 × 1.3+67 × 0.9 × 1.0=95.14L/s
So the design flow of storm drain of this engineering is 95.14L/s.
The operation principle of the present invention:Rainwater recycle reutilization system in construction site of the present invention is divided into rain water on roof in principle Recycling system and ground rainwater recycling system, and be described respectively.
First, rain water on roof recycling system:It is shown in Figure 2, the row in a organized way of job site temporary house roofing Water is concentrated through roofing downpipe and imported in roof rainwater collection case 2, and flows by gravitational force into toilet flushing system 10, for health Between flush the toilet and use, in the catch-basin 1 in roof rainwater collection case 2 on unnecessary stormwater overflow to ground and other roof rainwater collections In case.
2nd, ground rainwater recycling system:It is shown in Figure 3, trickle down in the rainwater on ground, at least partially through existing The seepage brick of field laying is infiltrated through in soil, most of daily routines area gutter 3 and construction area set by live periphery The footpath of gutter 4 is flow in each catch-basin 1 at distribution scene, then is concentrated in remittance sedimentation basin 5, is precipitated by the one-level of sedimentation basin 5 Pond, second-level settling pond and clear water reserviors are carried out after three-level precipitation and filtering, are temporarily stored into sedimentation basin, and after being connected with vehicle washing system 6 Automatic cleaning for job site vehicle.
Water in the clear water reserviors of sedimentation basin is used for vehicle after being connected by connecting water pipe with the water spray pipe support of vehicle washing system In cleaning, drainage groove of the waste water by the carwash platform for falling into vehicle washing system after vehicle cleaning, and by guiding gutter and return Chute mouth, which is back in first stage precipitation tank, re-starts precipitation filtering.
In rainy season, it can be automatically flowed into when the hypervolia stored in sedimentation basin 5 in live rainwater-collecting tank 7;Precipitation When water-holding quantity in pond 5 is not enough, then elevator pump diversion into sedimentation basin by being located in clear water reserviors;Water level in sedimentation basin leads to Cross liquid level gauge, elevator pump and relay to automatically control, specifically, water level in clear water reserviors is detected by liquid level gauge, when clear water pool inner water When position is less than low level setting value, automatically controls elevator pump in clear water reserviors and open, supplied water from rainwater-collecting tank 7 into clear water reserviors;When When water level is in high-order setting value in clear water reserviors, control elevator pump is closed automatically, during beyond clear water reserviors maximum stage, in clear water reserviors Water can automatically flow into rainwater-collecting tank;When barrier for some reason or rainwater is on the low side cause in rainwater tank rainwater not enough when, i.e. water reclaimed water When position is less than lowest water level, automatically turns on running water and moisturizing is carried out to rainwater-collecting tank.
Water in rainwater-collecting tank 7 can be used for depositing dust, green area irrigation and the concrete curing of job site, wherein concrete Maintenance need to be detected with water through pH value, met requesting party and be can be used;When in rainwater-collecting tank 7 water can not meet job site must When using water temporarily of palpus, passes through the water supply of municipal tap water pipe network 8 and meets;The rainwater mistake collected in heavy rain rain water collecting tank 7 It is many, except precipitation and amount of storage calculating is carried out in advance, it is equipped with and meets as far as possible outside the finished product rainwater storage tank of demand, beyond rainwater The unnecessary rainwater of the storage capacity of storage tank can be automatically flowed into municipal drainage pipe network 9.

Claims (10)

1. a kind of construction site rainwater recycle reutilization system, it is characterised in that:Including be sequentially communicated system for reclaiming rainwater, place Reason system, rain recycling system and make-up system;
The system for reclaiming rainwater includes catch-basin (1) and the roof rainwater collection case (2) and ground rain that are connected with catch-basin Water gutter;
The processing system includes the sedimentation basin (5) connected with catch-basin, and the sedimentation basin is three-level sedimentation basin including connected successively Logical first stage precipitation tank, second-level settling pond and clear water reserviors;
The rain recycling system includes the vehicle washing system (6) and and clear water connected with first stage precipitation tank and clear water reserviors circulation The rainwater-collecting tank (7) of pond circulation connection;
The make-up system includes the municipal tap water pipe network (8) and municipal drainage pipe network (9) connected with rainwater-collecting tank (7).
2. rainwater recycle reutilization system in construction site according to claim 1, it is characterised in that:The rain water on roof is received Header (2) is connected by pipeline with toilet flushing system (10).
3. rainwater recycle reutilization system in construction site according to claim 2, it is characterised in that:The ground rainwater row Ditch includes collecting Office Area and side road rain water is faced in the daily routines area gutter (3) and collection job site of living area rainwater Construction area gutter (4).
4. the construction site rainwater recycle reutilization system according to claim any one of 1-3, it is characterised in that:It is described heavy Shallow lake pond (5) is rectangle form pool, top surface is concordant with ground, and the internal dividing wall set by two pieces of parallel intervals is divided into one-level and sunk Shallow lake pond, second-level settling pond and clear water reserviors;
Separated between the first stage precipitation tank and second-level settling pond by the first dividing wall, the upper one end of first dividing wall It is provided with and connects the first overflow launder of the two;
Separated between the second-level settling pond and clear water reserviors by the second dividing wall, the upper one end of second dividing wall is provided with Connect the second overflow launder of the two;
Elevator pump is provided with the clear water reserviors.
5. rainwater recycle reutilization system in construction site according to claim 4, it is characterised in that:The first stage precipitation tank Deeply identical with the pond of second-level settling pond and less than clear water reserviors ponds are deep.
6. rainwater recycle reutilization system in construction site according to claim 5, it is characterised in that:The sedimentation basin (5) Side wall top interval be provided with three notches;
One of notch correspondence is opened in first stage precipitation tank position, for backflow notch;
Another two notch correspondence is opened in clear water reserviors position, is Ka Guancaokou, and the intraoral card of card tube seat has connecting water pipe;
The width of the backflash is more than the width of card tube seat.
7. rainwater recycle reutilization system in construction site according to claim 6, it is characterised in that:The sedimentation basin (5) Side-wall outer side correspondence notch position be provided with elongated guiding gutter, the bottom land of the guiding gutter is from Ka Guancaokou to backflow notch side To being obliquely installed, and the gradient is 2%;
The guiding gutter is concordant with backflow notch joint bottom surface;
The outer wall of the guiding gutter is provided with bayonet socket.
8. rainwater recycle reutilization system in construction site according to claim 7, it is characterised in that:The vehicle washing system (6) include the carwash platform that is fastened on the bayonet socket of guiding gutter outer wall of one end and be connected to the sparge pipe of carwash platform both sides Frame;
The parallel uniform intervals in upper surface of the carwash platform are provided with the drainage groove of vertical guiding gutter axis direction, the draining Groove is obliquely installed to guiding gutter side and the gradient is 2%;
The upper surface of the carwash platform and the either flush of sedimentation basin;
The water spray pipe support is connected by the connecting water pipe in card tube seat with clear water reserviors.
9. rainwater recycle reutilization system in construction site according to claim 8, it is characterised in that:The clear water reserviors and rain Water collecting tank (7) head and the tail connection forms circulation loop;
The water inlet of the rainwater-collecting tank is by the way that rainwater-collecting tank inlet pipeline is connected with clear water reserviors, delivery port passes through rainwater collection Collection tank outlet pipeline is connected with clear water reserviors.
10. rainwater recycle reutilization system in construction site according to claim 1, it is characterised in that:The rainwater-collecting Tank (7) is also connected with dust falling system by depositing dust pipeline, connected by green area irrigation pipeline with irrigation system for greenbelt, by coagulation Soil maintenance pipeline is connected with storage concrete curing system.
CN201710342907.XA 2017-05-16 2017-05-16 A kind of construction site rainwater recycle reutilization system Pending CN106968317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710342907.XA CN106968317A (en) 2017-05-16 2017-05-16 A kind of construction site rainwater recycle reutilization system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710342907.XA CN106968317A (en) 2017-05-16 2017-05-16 A kind of construction site rainwater recycle reutilization system

Publications (1)

Publication Number Publication Date
CN106968317A true CN106968317A (en) 2017-07-21

Family

ID=59330760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710342907.XA Pending CN106968317A (en) 2017-05-16 2017-05-16 A kind of construction site rainwater recycle reutilization system

Country Status (1)

Country Link
CN (1) CN106968317A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111001222A (en) * 2019-07-01 2020-04-14 中国二十冶集团有限公司 Construction site rain and sewage recycling system and using method thereof
CN112095745A (en) * 2020-09-30 2020-12-18 李强 Road embankment construction drainage system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202764931U (en) * 2012-09-15 2013-03-06 陕西建工集团总公司 Vehicle circulating flushing device based on rainwater collection
CN103224298A (en) * 2013-05-03 2013-07-31 中国十七冶集团有限公司 Construction site sewage precipitation purification treatment and recovery utilization method
CN204020836U (en) * 2014-07-30 2014-12-17 五冶集团上海有限公司 A kind of service rack based on rainwater-collecting being applicable to building ground
CN204689755U (en) * 2015-05-20 2015-10-07 广西建工集团第五建筑工程有限责任公司 The comprehensive treating pond of construction site Water Sproading cyclic utilization system and construction site Water Sproading cyclic utilization system
CN106400885A (en) * 2016-08-31 2017-02-15 浙江伟达园林工程有限公司 Rainwater collecting and recycling method and system
CN206012558U (en) * 2016-07-10 2017-03-15 中交一公局第六工程有限公司 A kind of building site vehicle self-stripping system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202764931U (en) * 2012-09-15 2013-03-06 陕西建工集团总公司 Vehicle circulating flushing device based on rainwater collection
CN103224298A (en) * 2013-05-03 2013-07-31 中国十七冶集团有限公司 Construction site sewage precipitation purification treatment and recovery utilization method
CN204020836U (en) * 2014-07-30 2014-12-17 五冶集团上海有限公司 A kind of service rack based on rainwater-collecting being applicable to building ground
CN204689755U (en) * 2015-05-20 2015-10-07 广西建工集团第五建筑工程有限责任公司 The comprehensive treating pond of construction site Water Sproading cyclic utilization system and construction site Water Sproading cyclic utilization system
CN206012558U (en) * 2016-07-10 2017-03-15 中交一公局第六工程有限公司 A kind of building site vehicle self-stripping system
CN106400885A (en) * 2016-08-31 2017-02-15 浙江伟达园林工程有限公司 Rainwater collecting and recycling method and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
孙颖: "施工现场雨水收集利用系统技术研究与应用", 《施工技术》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111001222A (en) * 2019-07-01 2020-04-14 中国二十冶集团有限公司 Construction site rain and sewage recycling system and using method thereof
CN112095745A (en) * 2020-09-30 2020-12-18 李强 Road embankment construction drainage system

Similar Documents

Publication Publication Date Title
CN104480994B (en) A kind of square, urban green space rainwater-collecting reutilization system
CN105735455B (en) One kind enters river pollution complex ecological closure works system
CN203080678U (en) Environment-friendly community shock-resistant rainwater ecological utilizing system
CN106192665A (en) A kind of sponge urban road rain infiltration system and construction method thereof
CN207567889U (en) Residential quarters Rainwater collection system
CN106968317A (en) A kind of construction site rainwater recycle reutilization system
CN106638919B (en) A kind of urban road rainwater recycling system and construction method
CN204401686U (en) A kind of greenery patches rainwater-collecting reutilization system
CN206859091U (en) A kind of coarse-grained soil high-fill roadbed discharge structure
CN107354989A (en) A kind of Rainwater collection system suitable for old cell
CN106759646A (en) A kind of sponge urban pavement rain water collecting system and installation method
CN203795512U (en) Rainwater recycling device
CN207633496U (en) A kind of super large square sponge city Integral rain recycling system
CN208362838U (en) A kind of porous pavement
CN2893020Y (en) Road sewage apparatus
CN207760928U (en) A kind of FRAME ON THE ROOF OF HIGH-RISE BUILDING sponge gardens rainwater-collecting circulatory system
CN108532711B (en) Building system based on sponge city construction
CN106677444B (en) House roof rainwater treatment system and construction method
CN205529776U (en) Infiltration structure of waterproof road in road surface
CN107989153A (en) A kind of novel construction method for building sponge city
CN108757027A (en) Multi-functional lobby water system in a kind of tunnel
CN213448754U (en) Composite energy dissipation facility
CN211973796U (en) Novel rainwater underground disconnection system
CN211630986U (en) Road sinking type impervious pavement green belt
CN212224121U (en) Road structure with surface type water collecting function

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20170721

RJ01 Rejection of invention patent application after publication