CN208691954U - A kind of negative water irrigation rig - Google Patents
A kind of negative water irrigation rig Download PDFInfo
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- CN208691954U CN208691954U CN201821362464.7U CN201821362464U CN208691954U CN 208691954 U CN208691954 U CN 208691954U CN 201821362464 U CN201821362464 U CN 201821362464U CN 208691954 U CN208691954 U CN 208691954U
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Abstract
The utility model discloses a kind of negative water irrigation rig, including tap, pressure control pipe, energy dissipating plate, air collector, disc type water-feed, negative head irrigation rig belongs to a kind of subsurface stratum irrigation technique.During it places into the soil water-feed, utilize plant water physiology characteristic and soil tensile property, realize that plant continuously obtains moisture automatically, change intermittent irrigation concept, become " filling " as " giving ", become " discontinuously irrigating " as " continuous water feeding ", becomes " actively absorbing water " that " passive to irrigate " that people gives obtains into plant.During actual irrigation, negative head value can be changed according to crop different bearing stage and different soils moisture content is adjusted with this, to meet the Soil Moisture for adapting to plant growth.
Description
Technical field
The utility model relates to a kind of irrigation rigs, more particularly relate to a kind of negative water irrigation rig.
Background technique
With the development of national economy and continuing to increase for population, water resources in china tense situation is aggravated year by year, water-saving skill
The importance of the correlative study of art and equipment is also reinforced therewith.All water-saving irrigation skills that agricultural production at present is used or promoted
Art, such as sprinkling irrigation, slight irrigation, trickle irrigation, underground drip irrigation, separating roots are all based on and are positive the filling of head for head pressure
It irrigates, the part soil body reaches water saturation after irrigation, leads to soil alternation of wetting and drying in a certain range.Soil moisture content it is excessive
Fluctuation can be such that plant coerces by drought and waterlogging, increase the generation of pest and disease damage, and nitrate nitrogen is caused to be removed other than crop root zone by leaching.For
The undue fluctuation for avoiding soil moisture is needed through detection plant physiology parameter, the water parameters of soil and many meteorologies
Parameter is to calculate and predict suitable irrigation time and irrigation volume, but measurement and calculation method are difficult to grasp above, to influence
Water-saving result in these irrigation technique practical applications, now provides a kind of a kind of negative water irrigation rig that can solve this problem.
Utility model content
The technical problems to be solved in the utility model is irrigated by that will be made as negative head for Water pressure controlled, realizes soil
The accurate and lasting control of moisture content, as negative pressure irrigation technique.It is that negative head carries out irrigation water supply when being based on pressure of supply water,
Soil moisture content is in unsaturated state, can inhibit native table it is wet caused by irrigated caused by invalid evaporation and underground leakage in vain and
Nutrient loss;Growth and development and soil moisture content due to plant is in close relations, accurately controls soil by negative pressure irrigation technique
Earth moisture content is significantly increased the potentiality of crop-producing power.Since negative pressure irrigation technique directly controls soil moisture content in mesh
Mark moisture content, it is not necessary to carry out irrigation time and irrigation volume decision, be easy to peasant's use.Especially shallow soil, sandy soil and glutinous
In soil and facility cultivation, a kind of negative water irrigation rig is provided.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of negative water irrigation rig, including tap, water pipe, floating ball device, pressure control pipe, energy dissipating
Plate, control valve, air collector, branch pipe, disc type water-feed, the tap are connect by the water pipe with the floating ball device, institute
It states floating ball device to connect by the water pipe with the pressure control pipe, the energy dissipating plate, the pressure control is provided in the pressure control pipe
Pipe is connect by pipeline with the air collector, and the control valve, the collection are provided between the pressure control pipe and the air collector
Gas tank is connected to the disc type water-feed by the branch pipe, and the control is provided between the air collector and the branch pipe
Valve, the floating ball device be water storage container be internally provided with ball-cock assembly, ball-cock assembly is made of master valve, lever, floating ball, floating ball with
Lever connection, the lever other side are connect with master valve, and ball-cock assembly preferably uses 100X type ball-cock assembly, and floating ball and lever material are low
Warm stainless steel steel series LCB, ball-cock assembly is to adjust water supply by control liquid level, main when floating ball swims in specified water level
Pilot valve is closed, and water source is closed, and when the water level descends, floating ball also declines, and lever drives master valve to open and supplies water.
As a kind of optimal technical scheme of the utility model, the energy dissipating plate is provided in the pressure control pipe.
As a kind of optimal technical scheme of the utility model, the control valve is globe valve, and sphere has circular through hole, is resisted
Cavitation erosion, Anti-blocking structure, V grades of sealing grades, sphere is driven by valve rod, and is rotated around ball valve axis, when ball rotation 90
When spending, spherical surface should all be presented at import and export, so that water flowing be truncated.
As a kind of optimal technical scheme of the utility model, the air collector is exhaust apparatus, and pattern is vertical, inside
Equipped with exhaust valve, the air collector have the water-filling before irrigating concurrently in negative pressure water head irrigation system and collect during irrigation gas with
The effect of buffering, it is ensured that system can operate normally.
As a kind of optimal technical scheme of the utility model, the disc type water-feed is by covering disc type water-feed group more
At disc type water-feed is the disk with spray-hole, and it is the cavity for accommodating water flow inside disk that disk material, which is ceramics,.In cavity
For water under stress to soil permeability or injection, the water supply of disk ensure that the stability of infiltration or injection.
The utility model beneficial effect achieved is: the device is a kind of negative water irrigation rig, negative pressure irrigation technique
It is continued for constant control to soil moisture, reaches " accurate ", finally obtain " efficient ", with the unsaturation of the soil under negative pressure water supply
Movement substitutes the gravity water sport of existing irrigation soils, reduces soil percolation and evaporation loss, reaches " water-saving ", with existing irrigation
In have pressure irrigate compare referred to as negative pressure replace have pressure, reach " energy conservation ", soil moisture content controls always in crop growth period
In target moisture content, it is not necessary to carry out irrigation time and irrigation quantity decision;Second is that must have can be closed for negative pressure irrigation technique
Water storage container matched with negative head control device;Third is that negative pressure irrigation technique needs to ensure using water-feed certain
Negative head within the scope of water-feed it is permeable airtight.The utility model structure is simple, and design is rationally, easy to spread.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model；
In figure: 1, tap；2, water pipe；3, floating ball device；4, pressure control pipe；5, energy dissipating plate；6, control valve；7, air collector；
8, branch pipe；9, disc type water-feed.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of negative water irrigation rig, including tap 1, water pipe 2, floating ball device 3,
Pressure control pipe 4, energy dissipating plate 5, control valve 6, air collector 7, branch pipe 8, disc type water-feed 9, tap 1 pass through water pipe 2 and floating ball device 3
Connection, floating ball device 3 connects by water pipe 2 with pressure control pipe 4, are provided with energy dissipating plate 5 in pressure control pipe 4, pressure control pipe 4 pass through pipeline and
Air collector 7 connects, and control valve 6 is provided between pressure control pipe 4 and air collector 7, and air collector 7 is connected to disc type water supply by branch pipe 8
Device 9, is provided with control valve 6 between air collector 7 and branch pipe 8, floating ball device 3 is that water storage container is internally provided with ball-cock assembly, floating ball
Valve is by master valve, lever, floating ball, and floating ball is connect with lever, the lever other side is connect with master valve, and floating ball and lever material are low
Warm stainless steel steel series LCB, it is preferred to use 100X type ball-cock assembly.Ball-cock assembly is to adjust water supply by control liquid level, is floated
When ball swims in specified water level, master valve is closed, and closes water source, and when the water level descends, floating ball also declines, and lever drives master valve
It opens and supplies water.
The energy dissipating plate 5 is provided in pressure control pipe 4.
Control valve 6 is spherical valve, anti-cavitation, Anti-blocking structure, V grades of sealing grades.
Air collector 7 is exhaust apparatus, pattern be it is vertical, inside is equipped with exhaust valve.
Disc type water-feed 9 is formed more by covering disc type water-feed, and disk material is ceramics, and internal water flow passages are cavity.
When specific work, tap is opened, in disc type water-feed 9 is earthed, the principle based on negative-pressure infiltration, due to soil
The presence of earth matric potential, by soil tension force effect.The water of the inside of disk water-feed 9 slowly penetrates into soil, due to pressure difference relationship,
Irrigation water in air collector 7 enters ceramic disk by branch pipe 8, at this time discharge reduction in air collector 7, water level decreasing, in air collector 7
Volume of air increases, and pressure reduces, and causes entire water control device air pressure uneven.After balance is broken, gas in pressure control pipe 4 into
Enter in air collector 7, gas pressure intensity is returned to initial pressure values, and pressure control pipe 4 becomes smaller due to losing portion gas, pressure, floats
Irrigation water in ball device 3 enters pressure control pipe 4 under atmospheric pressure effect, and the pressure of pressure control pipe 4 is made to also return to initial value, floating ball dress
It sets 3 to be connected directly with tap 1 by water pipe 2, guarantees the water source of a fixed height using floating ball device 3, to make whole again
The air pressure of covering device reaches flat street with ambient atmosphere again and so constantly recycles, and irrigation water constantly conveys under vacuum cavitations
For crop absorption into soil, negative pressure water head irrigation system entire so just can operate normally.
The utility model beneficial effect achieved is: the device is a kind of negative water irrigation rig, negative pressure irrigation technique
It is continued for constant control to soil moisture, reaches " accurate ", finally obtain " efficient ", with the unsaturation of the soil under negative pressure water supply
Movement substitutes the gravity water sport of existing irrigation soils, reduces soil percolation and evaporation loss, reaches " water-saving ", with existing irrigation
In have pressure irrigate compare referred to as negative pressure replace have pressure, reach " energy conservation ", soil moisture content controls always in crop growth period
In target moisture content, it is not necessary to carry out irrigation time and irrigation quantity decision;Second is that must have can be closed for negative pressure irrigation technique
Water storage container matched with negative head control device;Third is that negative pressure irrigation technique needs to ensure using water-feed certain
Negative head within the scope of water-feed it is permeable airtight.The utility model structure is simple, and design is rationally, easy to spread.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of negative water irrigation rig, including tap (1), water pipe (2), floating ball device (3), pressure control pipe (4), energy dissipating plate (5),
Control valve (6), air collector (7), branch pipe (8), disc type water-feed (9), which is characterized in that the tap (1) passes through the water
Pipe (2) is connect with the floating ball device (3), and the floating ball device (3) is connect by the water pipe (2) with the pressure control pipe (4),
The energy dissipating plate (5) is provided in the pressure control pipe (4), the pressure control pipe (4) is connect by pipeline with the air collector (7),
It is provided between the pressure control pipe (4) and the air collector (7) control valve (6), the air collector (7) passes through the branch pipe
(8) it is connected to the disc type water-feed (9), the control valve (6) are provided between the air collector (7) and the branch pipe (8),
The floating ball device (3) is water storage container, is internally provided with ball-cock assembly, and ball-cock assembly uses 100X type ball-cock assembly.
2. a kind of negative water irrigation rig according to claim 1, which is characterized in that the control valve is V grades of sealing grades
Spherical valve.
3. a kind of negative water irrigation rig according to claim 1, which is characterized in that the air collector (7) is vertical, inside
Equipped with exhaust valve.
4. a kind of negative water irrigation rig according to claim 1, which is characterized in that the disc type water-feed (9) is by more
A disk composition with spray-hole, disk material are ceramics, are the cavity for accommodating water flow inside disk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821362464.7U CN208691954U (en) | 2018-08-23 | 2018-08-23 | A kind of negative water irrigation rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821362464.7U CN208691954U (en) | 2018-08-23 | 2018-08-23 | A kind of negative water irrigation rig |
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| Publication Number | Publication Date |
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| CN208691954U true CN208691954U (en) | 2019-04-05 |
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| CN201821362464.7U Active CN208691954U (en) | 2018-08-23 | 2018-08-23 | A kind of negative water irrigation rig |
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| CN (1) | CN208691954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110959512A (en) * | 2020-01-17 | 2020-04-07 | 塔里木大学 | Arid region fruit tree root pressurization is annotated and is irritated ware |
| CN115856222A (en) * | 2022-12-15 | 2023-03-28 | 河北省农林科学院农业信息与经济研究所 | Crop water consumption real-time dynamic monitoring method based on negative pressure |
-
2018
- 2018-08-23 CN CN201821362464.7U patent/CN208691954U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110959512A (en) * | 2020-01-17 | 2020-04-07 | 塔里木大学 | Arid region fruit tree root pressurization is annotated and is irritated ware |
| CN115856222A (en) * | 2022-12-15 | 2023-03-28 | 河北省农林科学院农业信息与经济研究所 | Crop water consumption real-time dynamic monitoring method based on negative pressure |
| CN115856222B (en) * | 2022-12-15 | 2024-05-24 | 河北省农林科学院农业信息与经济研究所 | Crop water consumption real-time dynamic monitoring method based on negative pressure |
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