CN101660305B - Field drainage control system - Google Patents

Field drainage control system Download PDF

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Publication number
CN101660305B
CN101660305B CN2009101833929A CN200910183392A CN101660305B CN 101660305 B CN101660305 B CN 101660305B CN 2009101833929 A CN2009101833929 A CN 2009101833929A CN 200910183392 A CN200910183392 A CN 200910183392A CN 101660305 B CN101660305 B CN 101660305B
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China
Prior art keywords
water
field
water tank
drainage
floating drum
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Expired - Fee Related
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CN2009101833929A
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Chinese (zh)
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CN101660305A (en
Inventor
俞双恩
丁继辉
蒋元勋
邢文刚
邵光成
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Hohai University HHU
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Hohai University HHU
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Publication of CN101660305A publication Critical patent/CN101660305A/en
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Publication of CN101660305B publication Critical patent/CN101660305B/en
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Abstract

The invention provides a field drainage control system, a water tank is arranged beside a field ridge, a water inlet is formed on one side of the water tank which is near to a field, the bottom surface of the water inlet is slightly lower than the field surface, and the top of the water inlet is level with the top of the water tank; a water outlet is formed at the bottom of the water tank, and the water outlet is connected with a drainage pipeline; a buoy is arranged in the water tank; and the buoy is connected with a cover body arranged on the water outlet through a soft rope. The field drainage control system can timely adjust the length of the rope, control the water level in a main tank body and realize the regulation of the water level of the agricultural field according to the different agricultural fields and the different water demands and the drainage requirements of the agricultural fields during the different periods, thereby meeting the requirements of different crops and different development stages of the crops on time and space and realizing the automatic control of field drainage.

Description

System is controlled in a kind of field drainage
Technical field
The invention belongs to the Agricultural Water-Soil Engineering technical field, be specifically related to a kind of field drainage and control system.
Background technology
American-European countries carries out agricultural drain through underdrainage pipe network system, through the unlatching of computer control emptying gate.In area, China network of waterways, the agricultural drain mouth is normally dug according to the farming needs temporarily, and the subject matter that these field drainage mouths exist has: the one, dig when needing temporarily, and time-consuming; The 2nd, can not effectively control the farmland water level; The 3rd, when taking away a large amount of silt during draining, increased the pollution load of N, P, cause large-scale pollution of area source.In a word, ubiquitous ridge in farmland and field drainage mouth can not effectively be controlled the farmland water level at present, in the control widespread pollution from the overuse of fertilizers and pesticides in rural area, also do not bring into play due effect.
Summary of the invention
The objective of the invention is to deficiency, a kind of drainage control system that can effectively control the farmland water level that is directly installed on the field is provided to prior art.
The objective of the invention is to realize like this: a kind of field drainage control system, at the other water tank that is provided with of ridge, said water tank leans on a side in field to be provided with water inlet, and the bottom surface of said water inlet is a little less than the field face, height such as the top of said water inlet and the top of said water tank;
The bottom of said water tank is provided with delivery port, and said delivery port links to each other with drainage pipe;
Be provided with floating drum in the said water tank; Said floating drum links to each other with lid on being arranged on said delivery port through gentle rope.
In order to make the positive upper end work of floating drum at delivery port; Positioner for floating drum also is set in the field drainage control of the present invention system: be provided with the stationary magazine creel that is fixed on the bottom surface around the said delivery port, the somewhat larger in diameter of said stationary magazine creel is in the diameter of said floating drum; The inside of said stationary magazine creel and said water tank internal run-through, the water in the water tank can be stablized the inside that flow into stationary magazine creel.
The gentle length of restricting of adjustment for ease, thus realize the control draining in field, an end of said gentle rope ties up on the lid, and the other end passes the inside of said floating drum, ties up on the fixed block at said floating drum top.
For as required, make things convenient for the water or the reserve part water in emptying field, can be provided with movable fragment of brick in said water inlet, the top of said movable fragment of brick is higher than said field face.
Field drainage of the present invention control system, when the field water level surpassed design water level, the cistern water level that is communicated with it was raised, thereby this moment floating drum thereupon lifting pulling lid open the outfall draining; When drawdown, buoyancy reduces, and lid relies on dead weight to close delivery port, stops draining.Rope length through regulating between floating drum and the lid realizes the draining under the different control water level in field; When field water needs emptying, remove movable brick, shorten gentle rope length or take away lid and floating drum freely flows out water.
Beneficial effect of the present invention is:
1, field drainage of the present invention control system can be according to the need water and the drainage requirement of different farmlands and farmland different times; The adjustment rope is long in good time; The water level of control in the main box realizes the farmland water level, thereby on time and space, satisfies the requirement of the different growing stage of Different Crop and crop to water level; Realized the automatic control of field drainage; Improved the utilization rate of rainwater resource and N, P nutrient, the man power and material who has saved agricultural drain drops into, and has reduced the N in the agricultural drain, the P pollution to gutter and downstream water body;
2, construction costs and the maintenance cost of field drainage of the present invention control system are low, and compact conformation, easy for installation need not power, simple to operate, and the pollution control effect is obvious, safe and reliable, are easy to the large tracts of land popularization;
3, of the present invention applying not only can produce good economic benefit, also will produce remarkable social benefit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, through the mode of embodiment, technical scheme of the present invention is elaborated, but protection scope of the present invention is not limited to said embodiment.
Embodiment 1
System is controlled in a kind of field drainage; At the other water tank 1 that is provided with of ridge, said water tank 1 leans on a side in field to be provided with water inlet 2, and the bottom surface of said water inlet 2 is a little less than field face 3; Height such as the top of the top of said water inlet 2 and said water tank 1, water can flow freely in the water tank; The bottom of said water tank 1 is provided with delivery port 4, and said delivery port 4 links to each other with drainage pipe; Be provided with floating drum 5 in the said water tank 1; Said floating drum 5 links to each other with lid 7 on being arranged on said delivery port 4 through gentle rope 6; Be provided with the stationary magazine creel 8 that is fixed on the bottom surface around the said delivery port 4, said stationary magazine creel 8 adopts pvc pipe, and the somewhat larger in diameter of said stationary magazine creel 8 is in the diameter of said floating drum 5; A water inlet is respectively opened in the both sides, front and back of said stationary magazine creel 8, makes the inside and said water tank 1 internal run-through of said stationary magazine creel 8, the water in the water tank 1 to stablize and flows in the stationary magazine creel 8; One end of said gentle rope 6 ties up on the lid 7, and the other end passes the inside of said floating drum 5, ties up on the fixed block 9 at said floating drum 5 tops; Said water inlet 2 places are provided with movable fragment of brick 10, and the top of said movable fragment of brick 10 is higher than said field face 3.
When field face water level raises; Water tank 1 middle water level raises, and floating drum 5 is elevated thereupon, when water level arrives the design discharge level; Floating drum 5 suffered buoyancy and himself gravity and lid 7 gravity and the suffered water pressure balance of lid; When water level surpasses design water level, lid 7 will be drawn back by gentle rope 6, and field face water enters the gutter from outlet pipe; When drawdown, floating drum 5 descends with lid 7, and lid relies on the stifled upper water-out mouth 4 of self gravitation, and draining stops; When field water needs emptying, remove movable fragment of brick 10, shorten gentle rope 6 length or take away lid 7 making the water free discharge with floating drum 5.
In the present embodiment, the inside dimension of water tank 1 length * wide * height is 500mm * 500mm * 600mm, is brickwork construction; On add the steel bar concrete cover plate installing in the guard box, floating drum 5 is that diameter is 220mm, highly be the hollow sealing cylinder of 200mm, the gentle rope 6 passed with fixed block 9 between wherein and is connected; Stationary magazine creel 8 diameter 250mm; Be slightly larger than floating drum, lid 7 diameters are 160mm, outlet pipe 11 diameter 120mm.Realize controlling draining according to the gentle rope of different field water layer depth adjustment 6 length during work from floating drum 5 bottoms to lid 7.

Claims (3)

1. system is controlled in a field drainage; It is characterized in that: at the other water tank (1) that is provided with of ridge; Said water tank (1) leans on a side in field to be provided with water inlet (2), and the bottom surface of said water inlet (2) is a little less than field face (3), the height such as top of the top of said water inlet (2) and said water tank (1);
The bottom of said water tank (1) is provided with delivery port (4), and said delivery port (4) links to each other with drainage pipe; Be provided with the stationary magazine creel (8) that is fixed on the bottom surface around the said delivery port (4), the somewhat larger in diameter of said stationary magazine creel (8) is in the diameter of said floating drum (5); The inside of said stationary magazine creel (8) and said water tank (1) internal run-through;
Be provided with floating drum (5) in the said water tank (1); Said floating drum (5) links to each other with lid (7) on being arranged on said delivery port (4) through gentle rope (6).
2. system is controlled in field drainage according to claim 1, and it is characterized in that: an end of said gentle rope (6) ties up on the lid (7), and the other end passes the inside of said floating drum (5), ties up on the fixed block (9) at said floating drum (5) top.
3. system is controlled in field drainage according to claim 1 and 2, and it is characterized in that: said water inlet (2) locates to be provided with movable fragment of brick (10), and the top of said movable fragment of brick (10) is higher than said field face (3).
CN2009101833929A 2009-09-11 2009-09-11 Field drainage control system Expired - Fee Related CN101660305B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101833929A CN101660305B (en) 2009-09-11 2009-09-11 Field drainage control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101833929A CN101660305B (en) 2009-09-11 2009-09-11 Field drainage control system

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CN101660305A CN101660305A (en) 2010-03-03
CN101660305B true CN101660305B (en) 2012-05-23

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011380A (en) * 2010-11-25 2011-04-13 河海大学 Water level controller for farmland drainage tube
CN102172202B (en) * 2011-03-16 2013-09-25 河海大学 Device for automatically controlling irrigation and water draining of paddy field
CN102155008B (en) * 2011-05-11 2012-07-04 中国水利水电科学研究院 Concealed pipe controlled drainage device
CN103541336B (en) * 2013-10-22 2015-12-09 方青海 Insertion pipe drain valve
CN103835268B (en) * 2014-03-13 2015-08-26 方青海 Water control valve
CN104963326A (en) * 2015-06-25 2015-10-07 河海大学 Automatic field drainage control device allowing submergence depth to be adjustable
CN109060062B (en) * 2018-06-26 2020-02-21 河海大学 Inner-barrel-limiting irrigation water quantity metering device
CN109115292B (en) * 2018-07-25 2020-02-21 河海大学 Rotary opening and closing type irrigation water quantity metering device
CN109295942B (en) * 2018-10-22 2021-05-25 浙江圣立建设有限公司 Ecological landscape type irrigation channel and construction method thereof
CN113026693A (en) * 2021-03-16 2021-06-25 宁波市水利水电规划设计研究院有限公司 Intelligent water inlet and outlet equipment for farmland

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621945A (en) * 1985-01-11 1986-11-11 Schafer Christopher E Head control stand
SU1717714A1 (en) * 1989-11-09 1992-03-07 Брестский политехнический институт Drain collector outfall
CN101003971A (en) * 2007-01-25 2007-07-25 江苏省水利科学研究所 Underground drainage installation in farmland

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621945A (en) * 1985-01-11 1986-11-11 Schafer Christopher E Head control stand
SU1717714A1 (en) * 1989-11-09 1992-03-07 Брестский политехнический институт Drain collector outfall
CN101003971A (en) * 2007-01-25 2007-07-25 江苏省水利科学研究所 Underground drainage installation in farmland

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