CN201228354Y - Facilities for agricultural land storm drainage and drought control - Google Patents
Facilities for agricultural land storm drainage and drought control Download PDFInfo
- Publication number
- CN201228354Y CN201228354Y CNU2008201109891U CN200820110989U CN201228354Y CN 201228354 Y CN201228354 Y CN 201228354Y CN U2008201109891 U CNU2008201109891 U CN U2008201109891U CN 200820110989 U CN200820110989 U CN 200820110989U CN 201228354 Y CN201228354 Y CN 201228354Y
- Authority
- CN
- China
- Prior art keywords
- irrigation
- drainage
- dam
- inlet pipe
- water inlet
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model belongs to the water conservancy drainage-irrigation field, relates to a farmland drainage-irrigation automation device, in particular to a facility which is used for waterlogging drainage and drought prevention in a low-lying farmland inside the levee of the river-sea embanked levee with tide rising and tide falling in coastal areas and riverside towns, and provides a method for waterlogging drainage and drought prevention in the farmland. The facility and the method has the technical proposal that the facility comprises a drainage-irrigation ditch, a spillway basin, a pollutant discharge pool and a collecting basin, wherein, an overflow dam for mutual separation is arranged between the collecting basin and the spillway basin as well as the pollutant discharge pool; a separation dam used for mutual separation is arranged between the spillway basin and the pollutant discharge pool; a debris retaining dam used for mutual separation is arranged between the drainage-irrigation ditch and the spillway basin as well as the pollutant discharge pool; an inlet branch of an axial pump with large caliber is connected with the collecting basin; the axial pump with large caliber is positioned in a machinery room above the collecting basin; and a probe of a water level controller is arranged in the collecting basin, and is electrically connected with an electric control unit.
Description
Technical field
The utility model belongs to water conservancy irrigation and drainage field, relates to a kind of farmland discharging-irrigating automation equipment, relate in particular to a kind of be applicable to coastal, the region of rivers and lakes have the Jiang Haidi of tide bulge and fall to enclose to enclose greatly in the facility of land in low-lying farmland.
Background technology
The river, Guangdong is numerous, and rainfall is abundant, and abundant water is one of area of having a high potential of development industrial and agricultural production.But it is uneven that Guangdong exists rainfall space-time to distribute simultaneously, and drought, waterlogging, flood, damp disaster are many, and especially area, the coastal region of rivers and lakes of Dongguan City is located in Delta of the Pearl River alluvial plain, hypsography low-lying, annual flood season from upper and middle reaches compile and under flood peak height amount big.When in time safety is led off as the river course, downstream, just be subjected to the serious threat of flood at any time; Dry season autumn and winter drought often taking place also and suffer from, then often occurred spring drought and summer drought phenomenon in recent years.Therefore, must strengthen the construction of water conservancy facilities.
The Dongguan people just pay attention to building water conservancy projects from ancient times.According to historical records, Zhujiang River dyke beginning is built 996 years Christian eras and that is to say Song to the road 2 years, and history of more than one thousand years is arranged so far.After the founding of New, the Dongguan People's Government improves the people's livelihood for developping production, and the large-scale water conservancy construction of leader China Association for Promoting Democracy row has successively been taked the multiple dike of blocking up, and connection encloses builds lock, regulation dike system and construction electromechanical irrigation engineering, measures such as regulation field ditch system.Implementation flood, waterlogging, drought, tide are also controlled, and hold, draw, propose combination, the comprehensive regulation, and bloods and droughts has effectively been defendd in comprehensive development, and the safety of guarantee people's lives and properties promotes industrial and agricultural production and development and national economy.
Inst. of Agriculture Seeds, Dongguan City is located in downstream, river, Dong Jiang, Dongguan southwest delivery port, and three in east, north, west are by the semi-circular encirclement in river, Dong Jiang and mistake is typical hypsography low-lying type area.Run into heavy rain in the past, the farmland district of hypsography low-lying is inundated with flood usually, needs to drain flooded fields to the river levee extracardiac pumping; When the sky drought, then to from gushing, the river draw water the pouring farmland to alleviate damage caused by a drought.
The utility model content
In order to address the above problem, the full-automatic irrigation and drainage lock that this research institute develops build in the recent period can make district's inland river water burst face length phase keep certain height, arid weather can retaining be irritated the field, and running into heavy rain can discharge the flood gravity flow automatically, or meets to flow automatically and open water pumper when discharging automatically and outwards drain off floodwaters.All errors of avoiding manual operation to bring on the one hand, the ability of defence bloods and droughts in the upgrading area greatly; In addition the aspect is provided with automatic irrigation emitter unit and can have saved lot of manpower and material resources by the river irrigation and drainage of flowing automatically, and has alleviated operating cost, for good working condition and ambient conditions have been created in this research and production.
The utility model provides a kind of facility of agricultural land, and its technical scheme is:
This facility comprises irrigation and drainage ditch, spillway basin, pollution discharge pond and collecting-tank, be provided with the overfall that it is separated mutually between wherein said collecting-tank and spillway basin and the pollution discharge pond, be provided with the separation dam that it is separated mutually between described spillway basin and the pollution discharge pond, be provided with the dregs-blocking dam that it is separated mutually between described irrigation and drainage ditch and spillway basin and the pollution discharge pond, this dregs-blocking dam bottom is provided with the passage that spillway basin is communicated with the irrigation and drainage ditch, is stamped screen pack on this passage; Offer dirty mouthful of sewage draining exit and collection in the described pollution discharge pond respectively; Described overfall and separation dam are lower than its dregs-blocking dam, and the regulating dam that is positioned at described collecting-tank is far above its dregs-blocking dam; Water inlet pipe passes described overfall and regulating dam is inserted in the river, and the gate valve that is placed in the end of this water inlet pipe is embedded in the described overfall; Flap valve be placed through in the described regulating dam and unidirectional from its collecting-tank to the river course conducting; The heavy caliber axial-flow pump is positioned at the machine room of described collecting-tank top, and the water inlet pipe of described heavy caliber axial-flow pump inserts in the described collecting-tank, and the water level controller probe places in the described collecting-tank, and is electrically connected with the electrical equipment control device of described heavy caliber axial-flow pump.
Described water inlet pipe is divided equally and is put little water inlet pipe, and this little water inlet pipe is provided with ball valve near the described gate valve, and the end of crossing the described little water inlet pipe of this ball valve communicates with the aperture on described overfall top; Described water inlet pipe and little water inlet pipe are embedded in the irrigation and drainage tunnel.
The height of described overfall is less than about 50～70 centimetres of its dregs-blocking dams.
Build by laying bricks or stones with reinforced concrete in described irrigation and drainage tunnel.
The water inlet pipe of described heavy caliber axial-flow pump and heavy caliber axial-flow pump and described screen pack are all two.
The civil engineering of the facility of described agricultural land partly is to be built into by cement common brick cement mortar.The dregs-blocking dam height is identical with periphery road surface, farmland, irrigated area.The key problem in technology of the facility of this agricultural land is the overfall that is provided with between spillway basin and the collecting-tank, and it highly is to determine by long-term observation and accurate calculating, is less than about 50～70 centimetres of dregs-blocking dams.It is with regulating ball valve, and the water source that the irrigated area is accumulated keeps certain height constant substantially.Separation height of dam degree one end between spillway basin and the pollution discharge pond and dregs-blocking dam are flat, establish 2～3 grades of steps in the middle of the other end and the overfall.Regulating dam is the important dykes and dams that protection farmland, irrigated area is not invaded by flood far above other each dams.
In the utility model, described flap valve, axial-flow pump, irrigation and drainage passage and screen pack that upward is provided with and water level controller probe etc. are two, make things convenient for the maintenance while operating when can increase the irrigation and drainage water yield.
In the utility model, for making things convenient for the staff to overhaul and safeguarding the operation of this device, make this apparatus structure more reasonable, attractive in appearance simultaneously, on described separation dam, be provided with step; Simultaneously, doing heavy caliber main water inlet tube and little water inlet pipe, all make rectangular-shaped irrigation and drainage tunnel with the concrete parcel with easy PVC tubes of material aging and the rigidity deficiency.
Described irrigation and drainage tunnel passes collecting-tank and overfall and regulating dam makes irrigation and drainage ditch in irrigated area communicate with enclosing outer river course, but the artificial height of opening irrigation and drainage ditch water level in the heavy caliber gate valve quick adjustment irrigated area of settling its end.
Described regulating dam height is identical with flood control dyke height, and two heavy caliber flap valve installing on it are important components and parts of automatic flood discharge.In river level is lower than the irrigated area during irrigation and drainage ditch water level, the interior unnecessary water yield of irrigation and drainage ditch can cover the spilling water dam facing and flow out automatically outside the dam through collecting-tank, can reduce traditional irrigation and drainage lock like this and whenever discharge the waste that the unnecessary water yield all causes with Artificial Control and electricity consumption irrigation and drainage; In river level is higher than the irrigated area during irrigation and drainage ditch water level, the flap valve gate was closed automatically and was stoped the outer river of dike to enter to enclose interior in order to avoid cause water logging this moment.
Two heavy caliber axial-flow pumps are housed in the irrigation and drainage gate room that is arranged in collecting-tank top and supporting water level controller probe all is placed in collecting-tank, and they are important electromechanical irrigation facilities.Cause inside and outside the flood wall that as heavy rain water level increases suddenly and surpasses the highest warning line, this moment, two flap valve gates were closed automatically, and opened the heavy caliber axial-flow pump automatically flood is discharged to the river course.
The separation dam that is provided with between described pollution discharge pond and the spillway basin makes the pollution discharge pond sewage natural sedimentation discharge after collecting-tank flows automatically in pollution discharge pond of flowing through; avoid mixing mutually with iirigation water source; the pollution of hazardous substances can be prevented, the problem that present environmental protection aspect industrial pollution pollutes environment can be solved preferably crops.
In sum, this method is that utilize traditional weir, pond technology and modern relatively more accurate water distribution element and automatic control technology and electromechanical irrigation facility to organically combine to form an automatic irrigation and drainage system be unwatched automatic irrigation and drainage brake system, realizes the automatic land to low-lying farmland.Originally be a kind of water conservancy irrigation and drainage system of brand new ideas, change weak points such as traditional irrigation and drainage method long-term very important person's attended operation of need and seepage are serious, not only can save operating cost but also can avoid artificial operating mistake, guarantee irrigation and drainage safety.
Description of drawings
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
Fig. 1 is a schematic perspective view of the present utility model;
Fig. 2 is the partial enlarged drawing of collecting-tank among Fig. 1.
The accompanying drawing sign:
1, irrigation and drainage ditch 11, gate valve 12, ball valve 13, aperture 14, flap valve 15, the water inlet pipe 16 of heavy caliber axial-flow pump, overfall 17, irrigation and drainage tunnel 18, regulating dam 19, little water inlet pipe 2, spillway basin 21, dregs-blocking dam 22, screen pack 3, pollution discharge pond 31, separate dam 32, dirty mouthful 33 of collection, sewage draining exit 4, collecting-tank 5, machine room
The specific embodiment
As shown in Figure 1, and referring to Fig. 2, the facility of this agricultural land comprises irrigation and drainage ditch 1, spillway basin 2, pollution discharge pond 3 and collecting-tank 4, be provided with between wherein said collecting-tank 4 and spillway basin 2 and the pollution discharge pond 3 its overfall of separating mutually 16, be provided with the separation dam 31 that it is separated mutually between described spillway basin 2 and the pollution discharge pond 3, be provided with between described irrigation and drainage ditch 1 and spillway basin 2 and the pollution discharge pond 3 its dregs-blocking dam of separating mutually 21, these dregs-blocking dam 21 bottoms are provided with two irrigation and drainage passages that spillway basin 2 is communicated with irrigation and drainage ditch 1, are covered with two screen packs 22 on these two irrigation and drainage passages; Offer sewage draining exit 33 and collection in the described pollution discharge pond 3 respectively dirty mouthful 32; Described overfall 16 and separation dam 31 are lower than its dregs-blocking dam 21, and the regulating dam 18 that is positioned at described collecting-tank 4 is far above its dregs-blocking dam 21; Water inlet pipe passes described overfall 16 and regulating dam 18 is inserted in the river, and the gate valve 11 that is placed in the end of this water inlet pipe is embedded in the described overfall 16; Described water inlet pipe branch is provided with little water inlet pipe 19, and near the little water inlet pipes 19 the described gate valve 11 are provided with ball valve 12, and the end of crossing the described little water inlet pipe 19 of this ball valve 12 communicates with the aperture 13 on described overfall 16 tops; Described water inlet pipe and little water inlet pipe 19 are embedded in the irrigation and drainage tunnel 17, and build by laying bricks or stones with reinforced concrete in described irrigation and drainage tunnel 17; Flap valve 14 be placed through in the described regulating dam 18 and unidirectional from its collecting-tank 4 to the river course conducting; Two heavy caliber axial-flow pumps are positioned at the machine room 5 of described collecting-tank 4 tops, the water inlet pipe 15 of two heavy caliber axial-flow pumps inserts in the described collecting-tank 4, the water level controller probe places in the described collecting-tank 4, and is electrically connected with the electrical equipment control device of described heavy caliber axial-flow pump.The height of described overfall 16 is less than about 50～70 centimetres of the height of dregs-blocking dam 21.Separation dam 31 height one ends and dregs-blocking dam 21 between spillway basin 2 and the pollution discharge pond 3 are flat, and 2～3 grades of steps are established in the other end and overfall 16 flat centres.
Key problem in technology of the present utility model is to be provided with its overfall of separating mutually 16 between spillway basin and collecting-tank and the pollution discharge pond and to be positioned at the outlet of collecting-tank outside irrigation and drainage ditch to be provided with the flood retention storage dam system that regulating dam 18 is formed.Overfall has another name called overfalling weir or weir, pond, and it is by being arranged on two irrigation and drainage passages that dregs-blocking dam 21 bottoms are provided with, and making irrigation and drainage ditch 1 and spillway basin 2 water levels is that overfall height water level is identical.Overfall 16 is to adopt traditional weir, pond retaining technology, determines its height by long-term observation and accurate calculating.Require to make its water yield of accumulating can offer irrigation by pumping farmland, irrigated area on the one hand; Do not make its water level be higher than effective draining drop in farmland on the other hand again, in order to avoid influence the normal growth of crops.18 of regulating dams are the important water conservancy dykes and dams that protection farmland, irrigated area is not invaded by flood.Two heavy caliber flap valve 14 installing on it are important components and parts of automatic flood discharge.In river level is lower than the irrigated area during irrigation and drainage ditch water level, the interior unnecessary water yield of irrigation and drainage ditch can cover the spilling water dam facing and flow out automatically outside the dam through collecting-tank, can reduce traditional irrigation and drainage lock like this and whenever discharge the waste that the unnecessary water yield all causes with Artificial Control and electricity consumption irrigation and drainage; During irrigation and drainage ditch water level, this moment, the flap valve gate was closed automatically in river level is higher than the irrigated area, stoped the outer river of dike to enter and enclosed interior in order to avoid cause water logging.
Pass through and cross and to make the outer irrigation and drainage tunnel 17 that communicates with irrigated area irrigation and drainage ditch in the dike of dike and supporting heavy caliber gate valve 11 thereof and small-bore ball valve 12, water inlet pipe 19, inlet opening 13 form important gate valve system by collecting-tank.When irrigation and drainage ditch in the irrigated area need drain the water yield when maybe needing to put into a large amount of water source fully, can select to enclose the artificial heavy caliber gate valve 11 of opening of the outer ebb time period that flood tide and make and enclose inside and outside current and arrange big filling on demand greatly; Or regulate small-bore ball valve make enclose outer cleaning the water source along with the consumption of the irrigated area water yield amount of makeup water automatically on demand, like this, neither can cause than the Large Water fluctuation and can keep the stable water yield again, and keep the flowability of water body, guarantee the field irrigation needs.
Two heavy caliber axial-flow pumps are housed in the irrigation and drainage gate room 5 that is arranged in collecting-tank top and supporting water level controller probe all is placed in collecting-tank, and they are important electromechanical irrigation facilities.Cause that water level increases suddenly and cause that above the highest warning line the water level float rising drives and the contact-making switch startup heavy caliber axial-flow pump of its interlock is discharged flood to the river course as heavy rain; When flood level dropped down onto safety level, water level float fell deenergization automatically, and the heavy caliber axial-flow pump quits work.So, electromechanical irrigation does not need personnel operation, in the time of can avoiding not timing to take place than great flood and the floods that not have start in time to drain flooded fields and cause because of artificial carelessness.
Two passages of dregs-blocking dam 21 bottoms are to be coated with screen pack 22 on the delivery port, make the scum silica frost that swims in the irrigation and drainage ditch water surface in order to avoid water dispensing valve is impacted, in addition, can not prevent that also the fry of putting in a suitable place to breed at the irrigation and drainage ditch from flowing away with water by spillway basin and collecting-tank.
Sewage natural sedimentation discharge after collecting-tank flows automatically in pollution discharge pond 3 that dam 31 makes the pollution discharge pond 3 of flowing through is separated in removing contamination of being provided with between spillway basin 2 and the pollution discharge pond 3; avoid to prevent the pollution of hazardous substances, can solve the problem that present environmental protection aspect industrial pollution pollutes environment preferably crops with iirigation water source is mixed mutually.
Claims (6)
1, a kind of facility of agricultural land, it is characterized in that: this facility comprises irrigation and drainage ditch (1), spillway basin (2), pollution discharge pond (3) and collecting-tank (4), be provided with its overfall of separating mutually (16) between wherein said collecting-tank (4) and spillway basin (2) and the pollution discharge pond (3), be provided with the separation dam (31) that it is separated mutually between described spillway basin (2) and the pollution discharge pond (3), be provided with its dregs-blocking dam of separating mutually (21) between described irrigation and drainage ditch (1) and spillway basin (2) and the pollution discharge pond (3), this dregs-blocking dam (21) bottom is provided with the irrigation and drainage passage that spillway basin (2) is communicated with irrigation and drainage ditch (1), is covered with screen pack (22) on this irrigation and drainage passage; Offer sewage draining exit (33) and collection dirty mouthful (32) in the described pollution discharge pond (3) respectively; Described overfall (16) and separation dam (31) are lower than its dregs-blocking dam (21), and the regulating dam (18) that is positioned at described collecting-tank (4) is far above its dregs-blocking dam (21); Water inlet pipe passes described overfall (16) and regulating dam (18) is inserted in the river, and the gate valve (11) that is placed in the end of this water inlet pipe is embedded in the described overfall (16); Flap valve (14) be placed through in the described regulating dam (18) and unidirectional from its collecting-tank (4) to the river course conducting; The heavy caliber axial-flow pump is positioned at the machine room (5) of described collecting-tank (4) top, the water inlet pipe of described heavy caliber axial-flow pump (15) inserts in the described collecting-tank (4), the water level controller probe places in the described collecting-tank (4), and is electrically connected with the electrical equipment control device of described heavy caliber axial-flow pump.
2, the facility of agricultural land according to claim 1, it is characterized in that described water inlet pipe branch is provided with little water inlet pipe (19), this little water inlet pipe (19) is provided with ball valve (12) near the described gate valve (11), and the end of crossing the described little water inlet pipe (19) of this ball valve (12) communicates with the aperture (13) on described overfall (16) top; Described water inlet pipe and little water inlet pipe (19) are embedded in the irrigation and drainage tunnel (17).
3, the facility of agricultural land according to claim 1 and 2 is characterized in that: the height of described overfall (16) is less than about (21) 50～70 centimetres of its dregs-blocking dams.
4, the facility of agricultural land according to claim 2 is characterized in that: build by laying bricks or stones with reinforced concrete in described irrigation and drainage tunnel (17).
5, the facility of agricultural land according to claim 1 and 2 is characterized in that: the water inlet pipe (15) and the described screen pack (22) of described heavy caliber axial-flow pump and heavy caliber axial-flow pump are all two.
6, the facility of agricultural land according to claim 1 and 2, it is characterized in that: separation dam (31) height one end and dregs-blocking dam (21) between described spillway basin (2) and the pollution discharge pond (3) are flat, establish 2～3 grades of steps in the middle of the other end and the overfall (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201109891U CN201228354Y (en) | 2008-04-30 | 2008-04-30 | Facilities for agricultural land storm drainage and drought control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201109891U CN201228354Y (en) | 2008-04-30 | 2008-04-30 | Facilities for agricultural land storm drainage and drought control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201228354Y true CN201228354Y (en) | 2009-04-29 |
Family
ID=40633306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201109891U Expired - Lifetime CN201228354Y (en) | 2008-04-30 | 2008-04-30 | Facilities for agricultural land storm drainage and drought control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201228354Y (en) |
-
2008
- 2008-04-30 CN CNU2008201109891U patent/CN201228354Y/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101260661B (en) | Automatic irrigation and drainage method and system for agricultural land | |
| CN104947781B (en) | The system of regulating and storing on a kind of rainwater-collecting shunting, self-restraint stratum | |
| CN207567889U (en) | Residential quarters Rainwater collection system | |
| CN203531109U (en) | Separate and multi-dimensional ecological drainage system used for interception and control of rainwater runoff pollutants into river | |
| CN202017224U (en) | Distributional automatic rainwater flow abandoning device for roof | |
| CN203080677U (en) | Ecological road anti-shocking rainwater utilizing system | |
| CN103015517A (en) | Intelligently controlled type concave urban rainwater park capable of resisting shocks | |
| CN201679036U (en) | Waste rainwater automatic greening and irrigating device | |
| CN107190838A (en) | A kind of underground staged chain rainwater storage pond | |
| CN110905063A (en) | Waterway system of sponge city | |
| CN109958099A (en) | A kind of city river rain-flood resources regulator control system | |
| CN202157297U (en) | Gate control type urban rain and flood regulation, control and utilization system | |
| CN201874083U (en) | Land-saving and energy-saving reservoir type pumping station drainage device for down digging channels | |
| CN102106245B (en) | Automatic waste rainwater greening and watering device | |
| CN206706948U (en) | A kind of rain processing system of urban green space | |
| CN207243686U (en) | A kind of overpass rain processing system | |
| CN201228354Y (en) | Facilities for agricultural land storm drainage and drought control | |
| CN206956909U (en) | A kind of underground staged chain rainwater storage pond | |
| CN206457321U (en) | A kind of novel artificial Rain-fed wetland | |
| CN207453073U (en) | One kind automatically controls drainage pumping stations | |
| CN108147618A (en) | A kind of unpowered riverfront Ecology keeps cleaning treatment system | |
| CN209011283U (en) | A kind of sponge novel urban rainwater separate system | |
| CN209277121U (en) | Pump lock double-layer drainage structure | |
| CN112726772A (en) | Wet pond system for sponge city and method for purifying rainwater by using wet pond system | |
| CN208029584U (en) | A kind of terraced fields slope surface water storage and from row's irrigation rig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090429 Effective date of abandoning: 20080430 |