CN104488662A - Zero-pressure drip irrigation system - Google Patents
Zero-pressure drip irrigation system Download PDFInfo
- Publication number
- CN104488662A CN104488662A CN201410680988.0A CN201410680988A CN104488662A CN 104488662 A CN104488662 A CN 104488662A CN 201410680988 A CN201410680988 A CN 201410680988A CN 104488662 A CN104488662 A CN 104488662A
- Authority
- CN
- China
- Prior art keywords
- water
- drip irrigation
- capillary
- diversion
- storage tank
- 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.)
- Granted
Links
- 238000003973 irrigation Methods 0.000 title claims abstract description 59
- 230000002262 irrigation Effects 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 188
- 238000009434 installation Methods 0.000 claims description 11
- 210000000624 ear auricle Anatomy 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 239000008398 formation water Substances 0.000 claims description 3
- 235000020681 well water Nutrition 0.000 claims description 2
- 239000002349 well water Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 2
- 235000012489 doughnuts Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- -1 Kynoar Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
- A01G25/023—Dispensing fittings for drip irrigation, e.g. drippers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Nozzles (AREA)
Abstract
The invention relates to a drip irrigation device, in particular to a zero-pressure drip irrigation system which is composed of a water storage tank, a balance water tank, a water supply pipe, water diversion branched pipes, water diversion capillaries and capillary drippers. Each capillary dripper is composed of a dripper cover and a capillary bundle which is mounted in a bayonet of the dripper cover, each dripper cover is mounted at the upper end of the corresponding water diversion capillary, the lower end of each water diversion capillary is connected onto a branch port of the corresponding water diversion branched pipe, the lower end of each capillary bundle extends into the corresponding water diversion branched pipe through in-pipe space of the corresponding water diversion capillary while the upper end of the same is led out of the bayonet of the corresponding dripper cover, an inlet end of each water diversion branched pipe is connected onto a branch port of the water supply pipe, an inlet end of the water supply pipe is connected onto a supplied water output port of the balance water tank, a floating ball valve is connected into the balance water tank, and an inlet end of the floating ball valve is connected onto a water outgoing port of the water storage tank. A capillary principle is utilized to achieve the objective of drip irrigation, the water supply pipe does not need pressure, and the drippers cannot be blocked, so that equipment purchasing expense and running expense are lowered, and drip irrigation technology is enabled to be inexpensive.
Description
Technical field
The present invention relates to drip irrigation technique, be related specifically to a kind of drip irrigation appliance.
Background technology
Drip irrigation technique needs water requirement according to crops, by low pressure pipeline system and the irrigator be arranged on hollow billet, the nutrient that water and crop need instilled drop by drop, evenly and lentamente the irrigation method in the soil of crop root zone.The main feature of drip irrigation is that irrigation quantity is little, perdurabgility of once pouring water is longer, the cycle of pouring water is short, can accomplish that little water duty is filled with, can Controlled irrigation amount more exactly, invalid Evaporation among plants can be reduced, can not cause the waste of water, the availability of water can reach 95%, and drip irrigation is comparatively sprayed and had higher water-saving and yield-increasing effect, in conjunction with fertilising, fertilizer efficiency more than one times can be improved simultaneously.Be applicable to fruit tree, vegetables, economic crops and green house to irrigate, also can be used for field crop irrigation in the place of drought and water shortage.
But the shortcoming that current drip irrigation technique exists is: drip irrigation uses the water with certain pressure, drip irrigation system must configure water pump, filter, control survey equipment (manometer, control valve, flow regulator etc.), water-supply pipeline at different levels and water dropper, therefore, drip irrigation system cost is higher, once be referred to as " expensive technique ", only in the economic crops of high added value; Because impurity can make water dropper easily block, therefore tackle water source and carry out strict filtration treatment, operating cost is high.
Summary of the invention
The object of the invention is the shortcoming that will overcome the existence of existing drip irrigation technique, a kind of drip irrigation system with no pressure is provided, capillary principle is utilized to carry out drip irrigation, stress-free water source can be used, water dropper can not block, make drip irrigation system not need configuration filter and control survey equipment, to reduce equipment purchasing expense and operating cost, make drip irrigation technique " not expensive ".
One of the present invention drip irrigation system with no pressure, it is characterized in that system is made up of water storage tank (1), balanced reservoir (4), feed pipe (9), diversion arm (8), diversion hollow billet (7) and capillary water dropper, wherein, feed pipe (9) and diversion arm (8) respectively there is stub interface; Capillary water dropper is made up of water dropper lid (5) and bundle of capillary tubes (6), and water dropper lid (5) is rotary structure, and there is bayonet socket (5-3) at the revolving body center of water dropper lid (5), and bundle of capillary tubes (6) is arranged in the bayonet socket (5-3) of water dropper lid (5); Water dropper lid (5) is arranged on the upper end of diversion hollow billet (7), the lower end of diversion hollow billet (7) is connected on the stub interface of diversion arm (8), the lower end of bundle of capillary tubes (6) extend in diversion arm (8) by space in the pipe of diversion hollow billet (7), the formation water sucking mouth, aperture (6-2) of bundle of capillary tubes (6) lower end, the upper end of bundle of capillary tubes (6) is drawn from the bayonet socket (5-3) of water dropper lid (5), then downwards bending, the aperture of bundle of capillary tubes (6) upper end forms delivery port (6-1); The entrance point of diversion arm (8) is connected on the stub interface of feed pipe (9), the entrance point of feed pipe (9) is connected on the water supply output interface (4-2) of balanced reservoir (4), have ball-cock assembly (3) to access in balanced reservoir (4), the entrance point of ball-cock assembly (3) is connected on the water outlet mouthpiece (1-1) of water storage tank (1).
In the present invention, from mountain stream or to well water suction, when the water source of water storage tank (1) is from mountain stream, there is aqueduct at the water source of water storage tank (1) between mountain stream and water storage tank (1); When the water source of water storage tank (1) is from well, service valve (13), water pump (12) and suction hose (11) is had between water storage tank (1) and well, the water inlet interface (1-2) of water storage tank (1) is connected to the delivery port of water pump (12) by service valve (13), the water sucking mouth of water pump (12) is connected in well by suction hose (11); Outlet valve (2) is had between ball-cock assembly (3) entrance point in the water outlet mouthpiece (1-1) and balanced reservoir (4) of water storage tank (1); Air vent (5-4) is had at the top of water dropper lid (5); Have connecting thread (7-2) in the upper end of diversion hollow billet (7), have installation screw socket (5-2) inside the wall body of water dropper lid (5), the installation screw socket (5-2) of water dropper lid (5) screws on the connecting thread (7-2) of diversion hollow billet (7) upper end; Outside the wall body of water dropper lid (5), have an opponent to twist ear lobe (5-1), hand twists the impetus that ear lobe (5-1) forms installation or removal water dropper lid (5); Form a drip irrigation unit by diversion arm (8), diversion hollow billet (7) and capillary water dropper, drip irrigation system is made up of multiple drip irrigation unit, and multiple drip irrigation unit is evenly distributed on irrigation district.
The present invention utilizes capillary principle to realize drip irrigation object, and water supply line has not needed pressure.Capillarity is the attraction of liquid surface to the surface of solids, the capillary made of water wetted material is inserted in water, the water surface in capillary is spill, it applies pulling force to water body below, makes water body increase along the tube wall in capillary, when pulling force is upwards equal with the gravity suffered by water column in capillary, water body in capillary stops rising, reach balance, the internal diameter of capillary is less, and the water surface in capillary is higher.When the water level (7-1) in debugging diversion hollow billet (7) highly, when making that in capillary, the gravity of water column is less than pulling force upwards, capillary just can continuously carry out drip irrigation from diversion hollow billet (7) extraction water.Because capillary is fetched water with suction type, and capillary self has filtration, so impurity not easily enters in capillary, therefore, the water dropper of capillary can not block.
When the present invention uses, the water supply of feed pipe (9) is provided by balanced reservoir (4), balance water level (4-1) in balanced reservoir (4) is equivalent to the water level (7-1) in diversion hollow billet (7), balanced reservoir (4) carries out moisturizing by ball-cock assembly (3), regulate the balance water level (4-1) of ball-cock assembly (3), make in capillary, have water droplet to go out, and with the air vent (5-4) at water dropper lid (5) top do not have water overflow be advisable.The effect that the present invention arranges air vent (5-4) at the top of water dropper lid (5) is, can discharge smoothly or suck air, and the water level (7-1) in each diversion hollow billet (7) is maintained an equal level with the balance water level (4-1) in balanced reservoir (4).
In above-mentioned invention, the doughnut that bundle of capillary tubes (6) selects water wetted material to make or cotton material, described water wetted material comprises the polyvinyl alcohol, modified acrylic polymer etc. of Merlon, polyvinyl chloride, Kynoar, polysulfones, polyacrylonitrile, polyamide, polysulfonamides, SPSF, interlinkage.
The invention has the beneficial effects as follows: the one provided drip irrigation system with no pressure, utilize capillary principle to realize drip irrigation object, water supply line has not needed pressure; Capillary is fetched water with suction type, and capillary self has filtration, and impurity not easily enters in capillary, and water dropper can not block; Drip irrigation system does not need configuration filter and control survey equipment, to reduce equipment purchasing expense and operating cost, makes drip irrigation technique " not expensive ".
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of drip irrigation system with no pressure of the present invention.
Fig. 2 is the enlarged drawing of the capillary drip irrigation appliance in drip irrigation system with no pressure of the present invention.
In figure: 1. water storage tank, the water outlet mouthpiece of 1-1. water storage tank, the water inlet interface of 1-2. water storage tank, 2. the outlet valve of water storage tank, 3. ball-cock assembly, 4. balanced reservoir, 4-1. balances water level, the water supply output interface of 4-2. balanced reservoir, 5. water dropper lid, the hand that 5-1. water dropper covers twists ear lobe, the installation screw socket that 5-2. water dropper covers, the bayonet socket that 5-3. water dropper covers, 5-4. air vent, 6. bundle of capillary tubes, the delivery port of 6-1. capillary, the water sucking mouth of 6-2. capillary, 7. diversion hollow billet, water level in 7-1. hollow billet, connecting thread on 7-2. hollow billet, 8. diversion arm, 9. feed pipe, 10. well, the suction hose of 11. water pumps, 12. water pumps, 13. service valves, h. the water body lifting height in capillary.
Embodiment
embodimentin embodiment shown in Fig. 1 and Fig. 2, a kind of drip irrigation system with no pressure is made up of water storage tank (1), balanced reservoir (4), feed pipe (9), diversion arm (8), diversion hollow billet (7) and capillary water dropper, wherein, feed pipe (9) and diversion arm (8) respectively there is stub interface, connecting thread (7-2) is had in the upper end of diversion hollow billet (7), capillary water dropper is made up of water dropper lid (5) and bundle of capillary tubes (6), water dropper lid (5) is rotary structure, air vent (5-4) is had at the top of water dropper lid (5), there is bayonet socket (5-3) at the revolving body center of water dropper lid (5), bundle of capillary tubes (6) is arranged in the bayonet socket (5-3) of water dropper lid (5), installation screw socket (5-2) is had inside the wall body of water dropper lid (5), outside the wall body of water dropper lid (5), have an opponent to twist ear lobe (5-1), hand twists the impetus that ear lobe (5-1) forms installation or removal water dropper lid (5), water dropper lid (5) is arranged on the upper end of diversion hollow billet (7), during installation, the installation screw socket (5-2) of water dropper lid (5) screws on the connecting thread (7-2) of diversion hollow billet (7) upper end, the lower end of diversion hollow billet (7) is connected on the stub interface of diversion arm (8), the lower end of bundle of capillary tubes (6) extend in diversion arm (8) by space in the pipe of diversion hollow billet (7), the formation water sucking mouth, aperture (6-2) of bundle of capillary tubes (6) lower end, the upper end of bundle of capillary tubes (6) is drawn from the bayonet socket (5-3) of water dropper lid (5), then downwards bending, the aperture of bundle of capillary tubes (6) upper end forms delivery port (6-1), the entrance point of diversion arm (8) is connected on the stub interface of feed pipe (9), the entrance point of feed pipe (9) is connected on the water supply output interface (4-2) of balanced reservoir (4), ball-cock assembly (3) is had to access in balanced reservoir (4), the entrance point of ball-cock assembly (3) is connected on the water outlet mouthpiece (1-1) of water storage tank (1), between ball-cock assembly (3) entrance point in the water outlet mouthpiece (1-1) and balanced reservoir (4) of water storage tank (1), have outlet valve (2).In the present embodiment, the water source of water storage tank (1) is from well, service valve (13), water pump (12) and suction hose (11) is had between water storage tank (1) and well, the water inlet interface (1-2) of water storage tank (1) is connected to the delivery port of water pump (12) by service valve (13), the water sucking mouth of water pump (12) is connected in well by suction hose (11); Form a drip irrigation unit by diversion arm (8), diversion hollow billet (7) and capillary water dropper, drip irrigation system is made up of multiple drip irrigation unit, and multiple drip irrigation unit is evenly distributed on irrigation district; The doughnut that bundle of capillary tubes (6) selects water wetted material to make or cotton material.
The present embodiment utilizes capillary principle to realize drip irrigation object, and water supply line has not needed pressure.Because capillary is fetched water with suction type, and capillary self has filtration, so impurity not easily enters in capillary, therefore, the water dropper of capillary can not block.During use, the water supply of feed pipe (9) is provided by balanced reservoir (4), balance water level (4-1) in balanced reservoir (4) is equivalent to the water level (7-1) in diversion hollow billet (7), balanced reservoir (4) carries out moisturizing by ball-cock assembly (3), regulate the balance water level (4-1) of ball-cock assembly (3), make in capillary, have water droplet to go out, and with the air vent (5-4) at water dropper lid (5) top do not have water overflow be advisable.
Claims (7)
1. a drip irrigation system with no pressure, it is characterized in that drip irrigation system is made up of water storage tank (1), balanced reservoir (4), feed pipe (9), diversion arm (8), diversion hollow billet (7) and capillary water dropper, wherein, feed pipe (9) and diversion arm (8) respectively there is stub interface; Capillary water dropper is made up of water dropper lid (5) and bundle of capillary tubes (6), and water dropper lid (5) is rotary structure, and there is bayonet socket (5-3) at the revolving body center of water dropper lid (5), and bundle of capillary tubes (6) is arranged in the bayonet socket (5-3) of water dropper lid (5); Water dropper lid (5) is arranged on the upper end of diversion hollow billet (7), the lower end of diversion hollow billet (7) is connected on the stub interface of diversion arm (8), the lower end of bundle of capillary tubes (6) extend in diversion arm (8) by space in the pipe of diversion hollow billet (7), the formation water sucking mouth, aperture (6-2) of bundle of capillary tubes (6) lower end, the upper end of bundle of capillary tubes (6) is drawn from the bayonet socket (5-3) of water dropper lid (5), then downwards bending, the aperture of bundle of capillary tubes (6) upper end forms delivery port (6-1); The entrance point of diversion arm (8) is connected on the stub interface of feed pipe (9), the entrance point of feed pipe (9) is connected on the water supply output interface (4-2) of balanced reservoir (4), have ball-cock assembly (3) to access in balanced reservoir (4), the entrance point of ball-cock assembly (3) is connected on the water outlet mouthpiece (1-1) of water storage tank (1).
2. one according to claim 1 drip irrigation system with no pressure, is characterized in that the water source of water storage tank (1) is from mountain stream or to well water suction, when the water source of water storage tank (1) is from mountain stream, has aqueduct between mountain stream and water storage tank (1); When the water source of water storage tank (1) is from well, service valve (13), water pump (12) and suction hose (11) is had between water storage tank (1) and well, the water inlet interface (1-2) of water storage tank (1) is connected to the delivery port of water pump (12) by service valve (13), the water sucking mouth of water pump (12) is connected in well by suction hose (11).
3. one according to claim 1 drip irrigation system with no pressure, is characterized in that there is outlet valve (2) between ball-cock assembly (3) entrance point in the water outlet mouthpiece (1-1) and balanced reservoir (4) of water storage tank (1).
4. one according to claim 1 drip irrigation system with no pressure, is characterized in that there is air vent (5-4) at the top of water dropper lid (5).
5. one according to claim 1 drip irrigation system with no pressure, it is characterized in that there is connecting thread (7-2) in the upper end of diversion hollow billet (7), inside the wall body of water dropper lid (5), have installation screw socket (5-2), the installation screw socket (5-2) of water dropper lid (5) screws on the connecting thread (7-2) of diversion hollow billet (7) upper end.
6. one according to claim 1 drip irrigation system with no pressure, is characterized in that outside the wall body of water dropper lid (5), have an opponent to twist ear lobe (5-1), and hand twists the impetus that ear lobe (5-1) forms installation or removal water dropper lid (5).
7. one according to claim 1 drip irrigation system with no pressure, it is characterized in that forming a drip irrigation unit by diversion arm (8), diversion hollow billet (7) and capillary water dropper, drip irrigation system is made up of multiple drip irrigation unit, and multiple drip irrigation unit is evenly distributed on irrigation district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680988.0A CN104488662B (en) | 2014-11-25 | 2014-11-25 | Zero-pressure drip irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410680988.0A CN104488662B (en) | 2014-11-25 | 2014-11-25 | Zero-pressure drip irrigation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104488662A true CN104488662A (en) | 2015-04-08 |
| CN104488662B CN104488662B (en) | 2017-01-18 |
Family
ID=52930198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410680988.0A Active CN104488662B (en) | 2014-11-25 | 2014-11-25 | Zero-pressure drip irrigation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104488662B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028138A (en) * | 2015-08-18 | 2015-11-11 | 中国农业科学院农田灌溉研究所 | Floating ball type negative pressure water feeding control device |
| CN105746301A (en) * | 2015-09-29 | 2016-07-13 | 浙江水利水电学院 | Automatic water-fertilizer irrigation system for highway greenbelt |
| WO2016161992A3 (en) * | 2015-10-13 | 2016-11-24 | 中国农业科学院农田灌溉研究所 | Novel pressure-less irrigation device |
| CN105028138B (en) * | 2015-08-18 | 2018-08-31 | 中国农业科学院农田灌溉研究所 | Float-ball type negative pressure water supply control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050204624A1 (en) * | 2002-05-22 | 2005-09-22 | Lozano Teruel Jose A | Device and container for irrigation by capillarity |
| CN101023732A (en) * | 2007-03-29 | 2007-08-29 | 黄炎锋 | Irrigation system and method |
| CN102144524A (en) * | 2011-03-10 | 2011-08-10 | 中国农业科学院农田灌溉研究所 | Automatic irrigation-drainage system for farmland |
| CN103141361A (en) * | 2013-03-05 | 2013-06-12 | 谭朝晖 | Anti-clogging capillary drip irrigation emitter with flat plate superimposition structure |
| CN103609395A (en) * | 2013-12-10 | 2014-03-05 | 谭朝晖 | Dripping speed adjustable molecular energy drip irrigation emitter with water delivery device with increasingly-wide slit |
| CN204232024U (en) * | 2014-11-25 | 2015-04-01 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of drip irrigation system with no pressure |
-
2014
- 2014-11-25 CN CN201410680988.0A patent/CN104488662B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050204624A1 (en) * | 2002-05-22 | 2005-09-22 | Lozano Teruel Jose A | Device and container for irrigation by capillarity |
| CN101023732A (en) * | 2007-03-29 | 2007-08-29 | 黄炎锋 | Irrigation system and method |
| CN102144524A (en) * | 2011-03-10 | 2011-08-10 | 中国农业科学院农田灌溉研究所 | Automatic irrigation-drainage system for farmland |
| CN103141361A (en) * | 2013-03-05 | 2013-06-12 | 谭朝晖 | Anti-clogging capillary drip irrigation emitter with flat plate superimposition structure |
| CN103609395A (en) * | 2013-12-10 | 2014-03-05 | 谭朝晖 | Dripping speed adjustable molecular energy drip irrigation emitter with water delivery device with increasingly-wide slit |
| CN204232024U (en) * | 2014-11-25 | 2015-04-01 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of drip irrigation system with no pressure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028138A (en) * | 2015-08-18 | 2015-11-11 | 中国农业科学院农田灌溉研究所 | Floating ball type negative pressure water feeding control device |
| CN105028138B (en) * | 2015-08-18 | 2018-08-31 | 中国农业科学院农田灌溉研究所 | Float-ball type negative pressure water supply control device |
| CN105746301A (en) * | 2015-09-29 | 2016-07-13 | 浙江水利水电学院 | Automatic water-fertilizer irrigation system for highway greenbelt |
| WO2016161992A3 (en) * | 2015-10-13 | 2016-11-24 | 中国农业科学院农田灌溉研究所 | Novel pressure-less irrigation device |
| US10154629B2 (en) | 2015-10-13 | 2018-12-18 | Farmland Irrigation Research Institute, Chinese Academy Of Agricultural Sciences | Pressureless irrigation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104488662B (en) | 2017-01-18 |
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