CN204634569U - A kind of agricultural land Initial Runoff collects irrigation system - Google Patents

A kind of agricultural land Initial Runoff collects irrigation system Download PDF

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Publication number
CN204634569U
CN204634569U CN201520233580.9U CN201520233580U CN204634569U CN 204634569 U CN204634569 U CN 204634569U CN 201520233580 U CN201520233580 U CN 201520233580U CN 204634569 U CN204634569 U CN 204634569U
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CN
China
Prior art keywords
initial runoff
irrigation
cylindrical shell
hollow cylindrical
escape canal
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CN201520233580.9U
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Chinese (zh)
Inventor
梁新强
林丽敏
徐丽贤
王知博
华桂芬
金熠
李美茹
茹秋凯
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浙江大学
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Priority to CN201520233580.9U priority Critical patent/CN204634569U/en
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Publication of CN204634569U publication Critical patent/CN204634569U/en

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Abstract

The utility model discloses a kind of agricultural land Initial Runoff and collect irrigation system.Agricultural land Initial Runoff is collected irrigation system and is comprised escape canal, diversion channel, escape canal baffle weir, Initial Runoff inductor, the electronic valve that catchments, collecting basin, elevator pump, agricultural irrigation pipeline, field irrigation shower nozzle.Wherein on escape canal baffle height of weir, square non-flush period discharge outlet is dug at place; Diversion channel is arranged through the electronic valve that catchments that Initial Runoff inductor controls, collects Initial Runoff and irrigate for daily farming.The utility model also utilizes agricultural itself to receive the angle of nitrogen and phosphorus load from the agriculture Initial Runoff reducing high nitrogen and phosphorus load to water pollution, utilize original sewerage, reach and collect Initial Runoff and ensure the effect that rainfall draining is unobstructed, simultaneously, water resource is used for non-flush period field irrigation, this invention simple structure, easily implements, can according to the existence conditions flexible Application using place.

Description

A kind of agricultural land Initial Runoff collects irrigation system
Technical field
The utility model relates to Initial Runoff collection and utilizes device, particularly relates to a kind of agricultural land Initial Runoff and collects irrigation system.
Background technology
Widespread pollution from the overuse of fertilizers and pesticides in rural area mainly refers to that the nutrients such as the nitrogen phosphorus that rainfall is carried enter water body, increases the risk of body eutrophication.Widespread pollution from the overuse of fertilizers and pesticides in rural area in decades draws attention in increasing country, and current widespread pollution from the overuse of fertilizers and pesticides in rural area has become one of water pollution the largest source of generally acknowledging in the world.China is a large agricultural country, agricultural production is intensive, fertilizer amount significantly improves, nitrogen phosphorus is run off in a large number by rainfall runoff, research finds that the nitrogen phosphorus more than 50% in China lake comes from agricultural sources, widespread pollution from the overuse of fertilizers and pesticides in rural area brings eutrophic state to the lake of the nearly half of China, and aggravates year by year, even jeopardizes the safety of urban and rural residents' drinking water.According to agricultural land, especially the research of mountain farming land used rainfall runoff shows, owing to there is the effect of rainfall first flush, the nitrogen and phosphorus load amount of Initial Runoff is large, and the higher vegetation coverage of the gradient is larger.Thus strengthen will alleviating pollution by chemical fertilizer material to water pollution to the control of Initial Runoff discharge, cut down the loss of nitrogen phosphorus Initial Runoff and China's water body pollution of area source is controlled to have very important realistic meaning.On the other hand, after collection being collected, Initial Runoff is used for non-flush period agricultural irrigation, makes again water resource and nitrogen phosphor resource be regenerated, adds and fetch water nearby, greatly reduce agricultural cost.
Invention for general precipitation collection is mainly divided into two large classes.One class related invention, mainly for Arid&semi-arid area, sets out with the angle of saving water resource, designs collecting basin simply and collects rainfall, is not to design the large feature of rainfall Initial Runoff pollutional load.An other class, is mainly used in urban area, the early-stage rainwater of collection is directly drained into water body after treatment, or enters municipal sewage pipe network.And for agricultural land, especially the correlative study of the Collection utilization of the Initial Runoff of mountain farming land used is fewer with invention.The utility model also utilizes agricultural itself to receive the angle of nitrogen and phosphorus load from reducing agriculture Initial Runoff to water pollution, transform original sewerage, reach and collect Initial Runoff and ensure the effect that rainfall draining is unobstructed, simultaneously, water resource is used for non-flush period field irrigation, system construction is simple, easily implements, can according to the existence conditions flexible Application using place.
Summary of the invention
The purpose of this utility model is the disappearance overcoming prior art, provides a kind of agricultural land Initial Runoff to collect irrigation system.
To achieve these goals, the utility model is by the following technical solutions:
Farming land Initial Runoff is collected irrigation system and is comprised: escape canal, diversion channel, escape canal baffle weir, Initial Runoff inductor, the electronic valve that catchments, collecting basin, elevator pump, agricultural irrigation pipeline, field irrigation shower nozzle; Escape canal, diversion channel, collecting basin, elevator pump, agricultural irrigation pipeline, field irrigation shower nozzle are connected in turn, escape canal baffle weir is provided with in the middle part of Box Drain, diversion channel near collecting basin side is provided with the electronic valve that catchments, and electromotor penstock is connected with Initial Runoff inductor.
Described escape canal baffle height of weir is 20 ~ 30cm, and escape canal baffle weir is dug the square non-flush period discharge outlet that the length of side is 5 ~ 10cm.
Described Initial Runoff inductor comprises taper and to keep off the rain top cover, insulated hollow cylindrical shell, conductive metal sheet, strip conductive metal sheet, plastic hollow cylindrical shell, discharge outlet, fixation kit, collection rain base, insulated hollow cylindrical shell is provided with in collection rain base, insulated hollow cylindrical shell is provided with plastic hollow cylindrical shell in bottom, plastic hollow cylindrical shell top is provided with strip conductive metal sheet, in the middle part of insulated hollow cylindrical shell, inwall is fixed with conductive metal sheet, the perforate of insulated hollow cylinder body bottom, bottom collection rain base side, discharge outlet is installed, fixed by fixation kit bottom Initial Runoff inductor, one end of conductive metal sheet is connected with the electronic valve that catchments by wire, the other end of conductive metal sheet is connected with power supply by wire, taper is kept off the rain top cover, insulation wall and collection rain base are HDPE material, taper is kept off the rain between top cover and insulation barrel and is left space.
Described conductive metal sheet is from integrating rain base bottom height as 50cm, and insulated hollow cylindrical shell height 100cm, diameter is 20cm, and plastic hollow cylindrical shell height is 49.5cm, and diameter is 19.7cm, integrates rain base height as 50cm diameter as 40cm.The described electronic gate that catchments comprises steel plate gate and the electric hoist elevator protecting sheathing that electric hoist elevator and thickness are 8cm.Described collecting basin is connected with elevator pump by outlet conduit.
The utility model takes full advantage of original irrigation canals and ditches and agricultural irrigation systems, for the feature that Initial Runoff pollutional load is large, Collection utilization is carried out to it on this basis, simultaneously relative to other rainfall gathering systems, the collecting basin of construction is less, reduces construction cost and location problem.The utility model is particularly useful for Slopeland Agriculture land used region, can play reduction widespread pollution from the overuse of fertilizers and pesticides in rural area, reaches the effect of resource continuous utilization, meanwhile, itself also has the advantage that structure is simple, cost is low, applied widely.
Accompanying drawing explanation
Fig. 1 is that agricultural land Initial Runoff collects irrigation system structural representation;
Fig. 2 is escape canal baffle weir of the present utility model structural representation;
Fig. 3 is Initial Runoff sensor structure schematic diagram of the present utility model;
Fig. 4 is the irrigation canals and ditches structural representation that catchments of the present utility model;
Fig. 5 is collecting basin structural representation of the present utility model;
In figure: escape canal 1, diversion channel 2, escape canal baffle weir 3, Initial Runoff inductor 4, the electronic gate 5 that catchments, collecting basin 6, elevator pump 7, field irrigation pipeline 8, field irrigation shower nozzle 9, non-flush period discharge outlet 10, taper is kept off the rain top cover 11, insulated hollow cylindrical shell 12, conductive metal sheet 13, strip conductive metal sheet 14, plastic hollow cylindrical shell 15, discharge outlet 16, fixation kit 17, collection rain base 18, wire 19, power supply 20, electric hoist elevator 21, steel plate gate 22, electric hoist elevator protecting sheathing 23, elevator pump protecting sheathing 24, outlet conduit 25.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Fig. 1 ~ 5, farming land Initial Runoff collects irrigation system, comprises escape canal 1, diversion channel 2, escape canal baffle weir 3, Initial Runoff inductor 4, the electronic valve 5 that catchments, collecting basin 6, elevator pump 7, agricultural irrigation pipeline 8, field irrigation shower nozzle 9; Escape canal 1, diversion channel 2, collecting basin 6, elevator pump 7, agricultural irrigation pipeline 8, field irrigation shower nozzle 9 are connected in turn, escape canal baffle weir 3 is provided with in the middle part of Box Drain 1, diversion channel 2 near collecting basin 6 side is provided with the electronic valve 5 that catchments, and electromotor penstock 5 is connected with Initial Runoff inductor 4.
Described escape canal baffle weir 3 height is 20 ~ 30cm, escape canal baffle weir 3 is dug the square non-flush period discharge outlet 10 that the length of side is 5 ~ 10cm, for daily draining.
Described Initial Runoff inductor 4 comprises taper and to keep off the rain top cover 11, insulated hollow cylindrical shell 12, conductive metal sheet 13, strip conductive metal sheet 14, plastic hollow cylindrical shell 15, discharge outlet 16, fixation kit 17, collection rain base 18, insulated hollow cylindrical shell 12 is provided with in collection rain base 18, collection rain base 18 is provided with multiple pore with insulated hollow cylindrical shell 12 connected component, ensure that inside and outside liquid level is consistent, insulated hollow cylindrical shell 12 is provided with plastic hollow cylindrical shell 15 in bottom, plastic hollow cylindrical shell 15 top is provided with strip conductive metal sheet 14, in the middle part of insulated hollow cylindrical shell, inwall is fixed with conductive metal sheet 13, insulated hollow cylindrical shell 12 bottom opening, collection rain base 18 side bottom installs discharge outlet 16, before ensureing rainfall, collect anhydrous in rain base, fixed by fixation kit 17 bottom Initial Runoff inductor 4, one end of conductive metal sheet is connected with the electronic valve 5 that catchments by wire 19, the other end of conductive metal sheet is connected with power supply 20 by wire 19, taper is kept off the rain top cover 11, insulation wall 12 and collection rain base 18 are HDPE material, taper is kept off the rain between top cover 11 and insulation barrel 12 and is left space, in ensureing, external pressure is consistent.
Described conductive metal sheet 13 is from integrating rain base bottom height as 50cm, and insulated hollow cylindrical shell height 100cm, diameter is 20cm, and plastic hollow cylindrical shell height is 49.5cm, and diameter is 19.7cm, integrates rain base 18 height as 50cm diameter as 40cm.The described electronic gate 5 that catchments comprises steel plate gate 22 and the electric hoist elevator protecting sheathing 23 that electric hoist elevator 21 and thickness are 8cm.Described collecting basin 6 is connected with elevator pump 7 by outlet conduit 25.
Collect the method for irrigating at farming land Initial Runoff, comprise the steps:
1) low-lying place excavation diversion channel 2 and collecting basin 6 in target agricultural land, install Initial Runoff inductor 4, electric gate valve 5, outlet conduit 25, elevator pump 7, agricultural irrigation pipeline 8 and field irrigation shower nozzle 9 successively;
2) escape canal downstream arranges escape canal baffle weir 3, and escape canal baffle weir 3 is highly 25cm;
3) discharge outlet 16 on the water-bed seat 18 of closure set;
4) when after rainfall, water level in Initial Runoff inductor 4 rises and drives the plastic hollow cylindrical shell 15 at middle part to rise, the strip conductive metal sheet 14 at its top is connected with the conductive metal sheet 13 on sidewall, form closed-loop path, start electric hoist elevator 21, steel plate gate 22 is opened, and owing to being provided with escape canal baffle weir 3 in escape canal, Initial Runoff flows to collecting basin 6 by the electronic gate 5 that catchments; Water level continues to rise to 20cm, and strip conductive metal sheet 14 disconnects with the connection of conductive metal sheet 13, and steel plate gate 22 is closed because Action of Gravity Field declines, and middle and later periods rainfall runoff covers escape canal baffle weir 3, is directly discharged into surrounding body;
5) after rainfall terminates, open the discharge outlet 16 that Initial Runoff inductor catchments on base 18, water is drained, use to treat that rainfall Initial Runoff is collected next time;
6) non-flush period, opens elevator pump 7, and the Initial Runoff in collecting basin 6 is carried out agricultural irrigation by field irrigation pipeline 8 and field irrigation shower nozzle 9, utilizes farmland to receive phosphorus and nitrogen in water.

Claims (6)

1. farming land Initial Runoff collects an irrigation system, it is characterized in that: comprise escape canal (1), diversion channel (2), escape canal baffle weir (3), Initial Runoff inductor (4), the electronic valve that catchments (5), collecting basin (6), elevator pump (7), agricultural irrigation pipeline (8), field irrigation shower nozzle (9); Escape canal (1), diversion channel (2), collecting basin (6), elevator pump (7), agricultural irrigation pipeline (8), field irrigation shower nozzle (9) are connected in turn, escape canal (1) middle part is provided with escape canal baffle weir (3), diversion channel (2) near collecting basin (6) side is provided with the electronic valve that catchments (5), and electromotor penstock (5) is connected with Initial Runoff inductor (4).
2. a kind of farming land Initial Runoff according to claim 1 collects irrigation system, it is characterized in that: described escape canal baffle weir (3) height is 20 ~ 30cm, on escape canal baffle weir (3), the upper cutting length of side is the square non-flush period discharge outlet 10 of 5 ~ 10cm.
3. a kind of farming land Initial Runoff according to claim 1 collects irrigation system, it is characterized in that: described Initial Runoff inductor (4) comprises taper and to keep off the rain top cover (11), insulated hollow cylindrical shell (12), conductive metal sheet (13), strip conductive metal sheet (14), plastic hollow cylindrical shell (15), discharge outlet (16), fixation kit (17), collection rain base (18), insulated hollow cylindrical shell (12) is provided with in collection rain base (18), plastic hollow cylindrical shell (15) is provided with in insulated hollow cylindrical shell (12) bottom, plastic hollow cylindrical shell (15) top is provided with strip conductive metal sheet (14), in the middle part of insulated hollow cylindrical shell, inwall is fixed with conductive metal sheet (13), insulated hollow cylindrical shell (12) bottom opening, collection rain base (18) side bottom installs discharge outlet (16), Initial Runoff inductor (4) bottom is fixed by fixation kit (17), one end of conductive metal sheet is connected with the electronic valve that catchments (5) by wire (19), the other end of conductive metal sheet is connected with power supply (20) by wire (19), taper is kept off the rain top cover (11), insulation wall (12) and collection rain base (18) are HDPE material, taper is kept off the rain between top cover (11) and insulation barrel (12) and is left space.
4. a kind of farming land Initial Runoff according to claim 3 collects irrigation system, it is characterized in that: described conductive metal sheet (13) is from integrating rain base bottom height as 50cm, insulated hollow cylindrical shell height 100cm, diameter is 20cm, plastic hollow cylindrical shell height is 49.5cm, diameter is 19.7cm, integrates rain base 18 height as 50cm diameter as 40cm.
5. a kind of farming land Initial Runoff according to claim 1 collects irrigation system, it is characterized in that the described electronic gate that catchments (5) comprises steel plate gate (22) and the electric hoist elevator protecting sheathing (23) that electric hoist elevator (21) and thickness are 8cm.
6. a kind of farming land Initial Runoff according to claim 1 collects irrigation system, it is characterized in that described collecting basin (6) is connected with elevator pump (7) by outlet conduit (25).
CN201520233580.9U 2015-04-17 2015-04-17 A kind of agricultural land Initial Runoff collects irrigation system CN204634569U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104782447A (en) * 2015-04-17 2015-07-22 浙江大学 Agricultural land initial stage runoff collection irrigation system and method thereof
CN105421566A (en) * 2015-12-18 2016-03-23 浙江大学 Joint control absorption device and method for rice field pollutants
CN105507221A (en) * 2016-01-18 2016-04-20 浙江大学 Paddy field pollutant joint control consumption device based on liquid level control and method
CN105668797A (en) * 2016-01-18 2016-06-15 浙江大学 Device and method for optimally abating initial runoff pollution by aid of paddy field
CN105684837A (en) * 2016-01-18 2016-06-22 浙江大学 Rice field pollutant output control system and method based on AWD irrigation technology

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104782447A (en) * 2015-04-17 2015-07-22 浙江大学 Agricultural land initial stage runoff collection irrigation system and method thereof
CN105421566A (en) * 2015-12-18 2016-03-23 浙江大学 Joint control absorption device and method for rice field pollutants
CN105507221A (en) * 2016-01-18 2016-04-20 浙江大学 Paddy field pollutant joint control consumption device based on liquid level control and method
CN105668797A (en) * 2016-01-18 2016-06-15 浙江大学 Device and method for optimally abating initial runoff pollution by aid of paddy field
CN105684837A (en) * 2016-01-18 2016-06-22 浙江大学 Rice field pollutant output control system and method based on AWD irrigation technology
CN105507221B (en) * 2016-01-18 2017-04-19 浙江大学 Paddy field pollutant joint control consumption device based on liquid level control and method

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