CN106717429A - A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution - Google Patents
A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution Download PDFInfo
- Publication number
- CN106717429A CN106717429A CN201611031712.5A CN201611031712A CN106717429A CN 106717429 A CN106717429 A CN 106717429A CN 201611031712 A CN201611031712 A CN 201611031712A CN 106717429 A CN106717429 A CN 106717429A
- Authority
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- China
- Prior art keywords
- nutrient solution
- irrigation
- compounding groove
- circulation
- compounding
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
- A01M7/0089—Regulating or controlling systems
-
- 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
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
Abstract
The present invention relates to a kind of automatic preparation irrigation and the system of circulation and stress nutrient solution, including compounding groove, signal piping, dosing pipe, irrigation pipeline, return line and water pipe, signal piping is drawn from compounding groove and is back to compounding groove, for being detected to nutrient solution in compounding groove, dosing pipe makes the fertilizer storage tank for storing fertilizer be separately added into compounding groove with the agricultural chemicals storage tank for storing agricultural chemicals, realize the addition of fertilizer and agricultural chemicals, venturi fertilizer injector is set on dosing pipe, irrigation pipeline is drawn from compounding groove, and it is connected to irrigation district, return line is back to compounding groove from irrigation district, water pipe is connected with compounding groove, to compounding groove moisturizing.Compared with prior art, structure setting of the present invention is simple, it is easy to control, and can recycle unnecessary nutrient solution, using water wisely and fertilizer amount.
Description
Technical field
The present invention relates to a kind of irrigation system, it is more particularly, to a kind of automatic preparation irrigation and circulation and stress nutrient solution
System.
Background technology
With the rapid growth of population, agricultural plays more and more important effect in social development.And basic state of China
Feelings are again one populous, the few situation of per capita cultivated land, and from the point of view of according to Agriculture Present Situation, the yield of cereal crops is
The demand of population growth can not increasingly be met, so improving the cereal crops yield of unit cultivated area and reducing unit arable land
Required water resource, Fertilizer resources, agricultural chemicals resource seem particularly urgent on area.Improve the cereal crops on unit area arable land
Required water resource, Fertilizer resources, agricultural chemicals resource can consider from many aspects in yield and reduction unit cultivated area, such as turn base
Because of crop, breeding high-yield kind etc..But regardless of animal nutrition be unable to do without plant growth needed for nutrition into
Point, water resource, reduce pest and disease damage agricultural chemicals.Facing to the increasingly freshwater resources of famine and non-renewable fossil energy,
It is how about efficiently sharp how in the nutritional ingredient needed for guarantee cereal crops high yield, in the basic water demand for ensureing plant growth
The matter of utmost importance that current agricultural experts consider is had become with water resource and nutritional ingredient.
Except the cereal crops yield for improving unit cultivated area can increase total output of grain, while expanding farming
Area can also increase total output of grain.With regard to how to expand farming area, brainstrust considers it is using solid cultivation skill
Art, from plane, from all available resources are spatially utilized, expands crop place of production area, improves crop yield.And planted without soil
Training is then the first-selection of stereo cultivation technology.Compounding is the basic and key of soilless culture.When carrying out soilless culture crop,
Nutrient solution is correctly prepared on the basis of selected formula, it is to avoid produce the salt of precipitation, it is ensured that the various battalion in nutrient solution
Foster element effectively supplies plant growth, to obtain raise crop high yield and high quality.Incorrect compound method, on the one hand may
Some nutrients is failed, crop root can be injured when serious.Therefore, correct compounding method is grasped, is without soil
The most basic requirement of raise crop.
The content of the invention
The purpose of the present invention be exactly provided for the defect for overcoming above-mentioned prior art to exist one kind be mainly used in it is various
The automatic preparation irrigation of crop field, fine Cultivated engineering and soilless culture engineering and the system of circulation and stress nutrient solution.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution, including：
Compounding groove：As compounding and the place for depositing nutrient solution,
Signal piping：Compounding groove is drawn and is back to from compounding groove, in compounding groove
Nutrient solution detected,
Dosing pipe：The fertilizer storage tank for storing fertilizer is set to be separately added into compounding groove with the agricultural chemicals storage tank for storing agricultural chemicals
It is interior, the addition of fertilizer and agricultural chemicals is realized, venturi fertilizer injector is set on dosing pipe,
Irrigation pipeline：Drawn from compounding groove, and be connected to irrigation district,
Return line：Compounding groove is back to from irrigation district,
Water pipe：It is connected with compounding groove, to compounding groove moisturizing.
Described compounding groove outlet sets gradually filter and circulating pump, described signal piping and irrigation pipeline
Drawn from circulating-pump outlet.
Described signal piping is provided with multiple detection cups, be provided with detection cup respectively detection nutrient solution pH, temperature,
Dissolved oxygen amount, the pH sensors of EC values, temperature sensor, dissolved oxygen sensor and EC sensors, are additionally provided with described signal piping
Circulating electromagnetic valve.
Detection cup and detection magnetic valve coordinate carries out discontinuity detection to nutrient solution.
The outlet of each fertilizer storage tank or agricultural chemicals storage tank forms dosing pipe respectively, is respectively arranged with each dosing pipe
Filter, spinner flowmeter, impulse electromagnetic valve and venturi fertilizer injector, wherein one of venturi fertilizer injector on each dosing pipe
Individual entrance is connected on the dosing pipe of place, and another entrance is connected with signal piping, the venturi note fertilizer on each dosing pipe
The outlet of device converges into a liquid distribution pipe, and the liquid distribution pipe is connected to one end that signal piping is back to compounding groove, institute
It is provided with liquid electromagnetic valve on the liquid distribution pipe stated.
Impulse electromagnetic valve distinguishes coordinated signals venturi fertilizer injector, and fertilizer and agricultural chemicals in nutrient solution are controlled with liquid electromagnetic valve
Concentration.
Chlorination equipment and total irrigation magnetic valve are provided with described irrigation pipeline.
Described irrigation pipeline outwards draws irrigation branch road, irrigates branch road and is provided with regulating valve, and nutrient solution is by irrigating branch
Road and regulating valve are irrigated crops after entering into irrigation district.
Nutrient solution collecting tank is provided with described return line, by nutrient solution unnecessary behind irrigation district by liquid back pipe
Enter into nutrient solution collecting tank, then into compounding groove, be circulated utilization in system so as to come back to.
Entering water electromagnetic valve, moisturizing groove and moisturizing magnetic valve are provided with described water pipe.
Level sensor is provided with described compounding groove.
The system also includes control unit, and control unit is PLC forms, and with control centre and feedback center, control is single
Unit to whole system carry out real-time control and monitoring, it is ensured that package unit realize automatic liquid matching, automatic detection, automatic irrigation, from
The functions such as dynamic moisturizing.
Present system all devices all skid modules, be divided into nutrient solution detection module, batching modes, irrigate module,
Fertilizer and agricultural chemicals add module, loop module, moisturizing module, individually can use between disparate modules with combination collocation, convenient
Transport and Measuring error.
The present invention is mainly suitable for greenhouse soilless culture engineering, arid area water-saving irrigation project, can be by deployed battalion
Nutrient solution is timed quantifying irrigation according to the irrigation procedure of setting, and can recycle unnecessary nutrient solution, while for crop carries
For sufficient nutrient, promote plant growth, shorten the crop production cycle, improve crop yield, using water wisely and fertilizer amount.
Compared with prior art, structure setting of the present invention is simple, it is easy to control, and can recycle unnecessary nutrient solution, section
About use water and fertilizer amount.
Brief description of the drawings
Fig. 1 is the automatic system structure diagram for preparing irrigation and circulation and stress nutrient solution of the invention.
1. compounding groove, 2. circulating pump, 3. detection cup, 4.pH sensors, 5. temperature sensor, 6. dissolved oxygen sensing
Device, 8. 7.EC sensors, nitrogenous fertilizer storage tank, 9. potash fertilizer storage tank, 10. phosphate fertilizer storage tank, 11. agricultural chemicals storage tanks, 12. filters, 13. rotors
Flowmeter, 14. impulse electromagnetic valves, 15. venturi fertilizer injectors, 16. with liquid electromagnetic valve, 17. circulating electromagnetic valves, 18. chlorination equipments,
19. it is total irrigate magnetic valves, 20. regulating valves, 21. irrigation districts, 22. nutrient solution collecting tanks, 23. entering water electromagnetic valves, 24. moisturizing grooves,
25. moisturizing magnetic valves, 26 level sensors.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution, as shown in figure 1, including compounding groove 1, inspection
Test tube road, dosing pipe, irrigation pipeline, return line and water pipe.
Compounding groove 1 is provided with water as compounding and the place of storage nutrient solution in compounding groove 1
Level sensor 26.The outlet of compounding groove 1 sets gradually filter 12 and circulating pump 2, signal piping and irrigation pipeline from
The outlet of circulating pump 2 is drawn.
Signal piping is drawn from compounding groove 1 and is back to compounding groove 1, for compounding groove 1
Interior nutrient solution detected, signal piping is provided with multiple detection cups 3, be provided with detection cup 3 respectively detection nutrient solution pH,
Temperature, dissolved oxygen amount, the pH sensors 4 of EC values, temperature sensor 5, dissolved oxygen sensor 6 and EC sensors 7, also set on signal piping
There is circulating electromagnetic valve 17.Detection cup and detection magnetic valve coordinate carries out discontinuity detection to nutrient solution.
In the present embodiment, fertilizer storage tank is divided into 3, respectively nitrogenous fertilizer storage tank 8, potash fertilizer storage tank 9, phosphate fertilizer storage tank 10, agriculture
The nutrients such as agricultural chemicals or rare element are stored in medicine storage tank 11.
Dosing pipe makes the fertilizer storage tank for storing fertilizer be separately added into compounding groove 1 with the agricultural chemicals storage tank for storing agricultural chemicals
It is interior, the addition of fertilizer and agricultural chemicals is realized, venturi fertilizer injector 15, each fertilizer storage tank or agricultural chemicals storage tank are set on dosing pipe
Outlet form dosing pipe respectively, filter 12, spinner flowmeter 13, impulse electromagnetic valve are respectively arranged with each dosing pipe
14 and venturi fertilizer injector 15, one of entrance of the venturi fertilizer injector 15 on each dosing pipe be connected to where dosing
On pipeline, another entrance is connected with signal piping, and the outlet of the venturi fertilizer injector 15 on each dosing pipe converges into one
Individual liquid distribution pipe, the liquid distribution pipe is connected to one end that signal piping is back to compounding groove 1, is provided with liquid distribution pipe with liquid electricity
Magnet valve 16.The difference of impulse electromagnetic valve 14 coordinated signals venturi fertilizer injector 15, fertilizer in nutrient solution is controlled with liquid electromagnetic valve 16
And pesticide concentration.
Irrigation pipeline is drawn from compounding groove 1, and is connected to irrigation district 21, and chlorination equipment is provided with irrigation pipeline
18 irrigate magnetic valve 19 with total.Irrigation pipeline outwards draws irrigation branch road, irrigates branch road and is provided with regulating valve 20, and nutrient solution passes through
Irrigation branch road and regulating valve 20 are irrigated crops after entering into irrigation district 21.Chlorination equipment 18 is filled using ultraviolet disinfection
Put.
Return line is back to compounding groove 1 from irrigation district 21, and nutrient solution collecting tank 22 is provided with return line,
Entered into by liquid back pipe in nutrient solution collecting tank 22 by nutrient solution unnecessary behind irrigation district, then into compounding
Groove 1, be circulated utilization in system so as to come back to.
Water pipe is connected with compounding groove 1, to the moisturizing of compounding groove 1.It is provided with water pipe into water
Magnetic valve 23, moisturizing groove 24 and moisturizing magnetic valve 25.
The system also includes control unit, and control unit is PLC forms, and with control centre and feedback center, control is single
Unit to whole system carry out real-time control and monitoring, it is ensured that package unit realize automatic liquid matching, automatic detection, automatic irrigation, from
The functions such as dynamic moisturizing.
The present embodiment system all devices all skid modules, are divided into nutrient solution detection module, batching modes, irrigate mould
Block, fertilizer and agricultural chemicals add module, loop module, moisturizing module, individually can use between disparate modules with combination collocation, side
Just transport and Measuring error.
When the system is used, the water supply line for connecting water source is connected with entering water electromagnetic valve 23, and water passes through entering water electromagnetic valve 23
Into in moisturizing groove 24, moisturizing groove 24 is connected by filling pipe with compounding groove 1, and water is entered into by moisturizing magnetic valve 25
In compounding groove 1, the control that water level in compounding groove 1 passes through level sensor 26, in making compounding groove 1
Water level is maintained at a stationary value.Venturi fertilizer injector 15 is used for controlling the supply of fertilizer and agricultural chemicals, and literary mound is realized with circulating pump 2
In principle, while making nutrient solution be circulated being well mixed for the detection of field headquarters nutrient solution of going forward side by side and fertilizer and agricultural chemicals.In venturi
Can produce vacuum in fertilizer injector 15, form negative pressure, by drug feeding pipeline by nitrogenous fertilizer storage tank 8, potash fertilizer storage tank 9, phosphate fertilizer storage tank 10
In nitrogenous fertilizer, potash fertilizer, phosphate fertilizer, and agricultural chemicals in agricultural chemicals storage tank 11 is drawn into compounding groove 1.In venturi fertilizer injector 15
Impulse electromagnetic valve 14 is installed between fertilizer storage tank or agricultural chemicals storage tank, by control system control impulse electromagnetic valve 14 open or
The supply of control raw material is closed, and there is the detecting system to carry out real-time detection to nutrient solution, it is ensured that the nutrient solution into field meets work
Thing demand.
The nutrient solution that will be prepared by circulating pump 2 is extracted out from compounding groove 1, and a part is used as venturi principle stream
Logical liquid generation vacuum causes fertilizer and agricultural chemicals to be inhaled into, and another fraction is flow back into compounding groove 1 by detecting pipeline.
EC sensors 7, pH sensors 4, temperature sensor 5 and dissolved oxygen quantity sensor 6 are used for EC values, pH in real-time detection nutrient solution
Value, temperature value, dissolved oxygen value.Control system receives EC, pH, temperature value, the detected value of dissolved oxygen value, drives corresponding regulation electromagnetism
Valve carries out the control of raw material, and then mixes satisfactory nutrient solution.After the completion of compounding, closed with liquid electromagnetic valve 16
Close, total magnetic valve 19 of irrigating is opened, and nutrient input is delivered into crop root by irrigation pipeline, and then unnecessary nutrient solution passes through
Liquid back pipe is entered into nutrient solution collecting tank 22, last to return to compounding groove 1 again.
Filter 12 is arranged in bypass duct, and it is used for preventing water pump water outlet pipeline from blocking.In compounding
Level sensor 26 is installed, its effect is in groove 1：When water level drops to low limit liquid level in water supply process, moisturizing magnetic valve
25 automatically turn on, and after control system receives signal, stop irrigating, and are opened with liquid electromagnetic valve 16, add water with liquid, it is ensured that nutrient solution
Nutrient solution supply in make-up tank 1.Signal piping can carry out the sampling Detection of nutrient solution, it is also possible to carry out detecting the daily of pipeline
Maintenance work.Spinner flowmeter 13 is used for observing the supply flow of fertilizer and agricultural chemicals；It is adjusted after total irrigation magnetic valve 19 is opened
Valve 20 is by nutrition liquid irrigation in field；When total irrigation magnetic valve 19 is opened, chlorination equipment 20 starts simultaneously, enters to irrigating nutrient solution
Row sterilization in real time；At fertilizer storage tank and agricultural chemicals outlet and five filters 12 are installed in the water inlet of circulating pump 2 altogether, in case
Locking system part is blocked.
The above-mentioned description to embodiment is to be understood that and use invention for ease of those skilled in the art.
Person skilled in the art obviously can easily make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability
Field technique personnel announcement of the invention, does not depart from improvement that scope made and modification all should be of the invention
Within protection domain.
Claims (10)
1. the system of a kind of automatic preparation irrigation and circulation and stress nutrient solution, it is characterised in that including：
Compounding groove (1)：As compounding and the place for depositing nutrient solution,
Signal piping：Drawn from compounding groove (1) and be back to compounding groove (1), for compounding groove
(1) interior nutrient solution detected,
Dosing pipe：The fertilizer storage tank for storing fertilizer is set to be separately added into compounding groove (1) with the agricultural chemicals storage tank for storing agricultural chemicals
It is interior, the addition of fertilizer and agricultural chemicals is realized, venturi fertilizer injector (15) is set on dosing pipe,
Irrigation pipeline：Drawn from compounding groove (1), and be connected to irrigation district (21),
Return line：Compounding groove (1) is back to from irrigation district (21),
Water pipe：It is connected with compounding groove (1), to compounding groove (1) moisturizing.
2. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
Compounding groove (1) outlet stated sets gradually filter (12) and circulating pump (2), described signal piping and irrigation pipeline
Exported from circulating pump (2) and drawn.
3. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
The signal piping stated is provided with multiple detections cup (3), be provided with detection cup (3) pH sensors (4), temperature sensor (5),
Dissolved oxygen sensor (6) and EC sensors (7), are additionally provided with circulating electromagnetic valve (17) on described signal piping.
4. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that every
The outlet of individual fertilizer storage tank or agricultural chemicals storage tank forms dosing pipe respectively, be respectively arranged with each dosing pipe filter (12),
Spinner flowmeter (13), impulse electromagnetic valve (14) and venturi fertilizer injector (15), the venturi fertilizer injector on each dosing pipe
(15) one of entrance is connected on the dosing pipe of place, and another entrance is connected with signal piping, on each dosing pipe
The outlet of venturi fertilizer injector (15) converge into a liquid distribution pipe, the liquid distribution pipe is connected to signal piping and is back to nutrient solution
One end of make-up tank (1), is provided with liquid electromagnetic valve (16) on described liquid distribution pipe.
5. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
Chlorination equipment (18) and total irrigation magnetic valve (19) are provided with the irrigation pipeline stated.
6. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
The irrigation pipeline stated outwards draws irrigation branch road, irrigates branch road and is provided with regulating valve (20), and nutrient solution is by irrigating branch road and tune
Section valve (20) enters into irrigation district (21).
7. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
Nutrient solution collecting tank (22) is provided with the return line stated, entering into nutrient solution by nutrient solution unnecessary behind irrigation district collects
In groove (22), then into compounding groove (1).
8. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
Entering water electromagnetic valve (23), moisturizing groove (24) and moisturizing magnetic valve (25) are provided with the water pipe stated.
9. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that institute
Level sensor (26) is provided with the compounding groove (1) stated.
10. the system of a kind of automatic preparation irrigation according to claim 1 and circulation and stress nutrient solution, it is characterised in that
The system also includes control unit, and control unit is PLC forms, and with control centre and feedback center, control unit is to the whole series
System carries out real-time control and monitoring, it is ensured that package unit realizes automatic liquid matching, automatic detection, automatic irrigation, automatic water supplement work(
Energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031712.5A CN106717429A (en) | 2016-11-22 | 2016-11-22 | A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611031712.5A CN106717429A (en) | 2016-11-22 | 2016-11-22 | A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution |
Publications (1)
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|---|---|
| CN106717429A true CN106717429A (en) | 2017-05-31 |
Family
ID=58971558
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611031712.5A Pending CN106717429A (en) | 2016-11-22 | 2016-11-22 | A kind of automatic preparation irrigation and the system of circulation and stress nutrient solution |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107278474A (en) * | 2017-07-31 | 2017-10-24 | 江苏创璟温室设备有限公司 | Integrated fertilizer application system for warmhouse booth |
| CN107980574A (en) * | 2017-12-04 | 2018-05-04 | 深圳春沐源控股有限公司 | The preparation method and device of nutrient solution |
| CN108432437A (en) * | 2018-03-01 | 2018-08-24 | 深圳春沐源控股有限公司 | Method and system for recycling water and fertilizer |
| WO2019000656A1 (en) * | 2017-06-30 | 2019-01-03 | 深圳前海弘稼科技有限公司 | Automatic irrigation device and control method for automatic irrigation |
| CN110432043A (en) * | 2019-09-12 | 2019-11-12 | 张允楠 | A kind of split type multilayer device for raising seedlings of recyclable nutrient solution |
| CN110521555A (en) * | 2019-10-12 | 2019-12-03 | 四川橘丰雾动农业科技有限责任公司 | Automatic laxative system and method with liquid medicine recycling function |
| CN113332897A (en) * | 2021-06-30 | 2021-09-03 | 河北医科大学第二医院 | Nutrient solution blending device |
| CN113647315A (en) * | 2021-08-05 | 2021-11-16 | 四维生态科技（杭州）有限公司 | Generation-adding water culture ecological cabin and system for crops and seedling culture management method |
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| CN205030117U (en) * | 2015-09-29 | 2016-02-17 | 江苏农林职业技术学院 | Greenhouse water planting cyclic irrigation system |
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| CN1430876A (en) * | 2003-02-21 | 2003-07-23 | 天津市水利科学研究所 | Intellient control system for fertilization with mode of drop irrigation in greenhouse |
| CN202335234U (en) * | 2011-08-26 | 2012-07-18 | 李谟军 | Automatic nutrient liquid preparing and irrigating system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019000656A1 (en) * | 2017-06-30 | 2019-01-03 | 深圳前海弘稼科技有限公司 | Automatic irrigation device and control method for automatic irrigation |
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| CN107980574A (en) * | 2017-12-04 | 2018-05-04 | 深圳春沐源控股有限公司 | The preparation method and device of nutrient solution |
| CN108432437A (en) * | 2018-03-01 | 2018-08-24 | 深圳春沐源控股有限公司 | Method and system for recycling water and fertilizer |
| CN108432437B (en) * | 2018-03-01 | 2022-01-28 | 深圳春沐源控股有限公司 | Method and system for recycling water and fertilizer |
| CN110432043A (en) * | 2019-09-12 | 2019-11-12 | 张允楠 | A kind of split type multilayer device for raising seedlings of recyclable nutrient solution |
| CN110521555A (en) * | 2019-10-12 | 2019-12-03 | 四川橘丰雾动农业科技有限责任公司 | Automatic laxative system and method with liquid medicine recycling function |
| CN113332897A (en) * | 2021-06-30 | 2021-09-03 | 河北医科大学第二医院 | Nutrient solution blending device |
| CN113332897B (en) * | 2021-06-30 | 2023-08-25 | 河北医科大学第二医院 | Nutrient solution blending device |
| CN113647315A (en) * | 2021-08-05 | 2021-11-16 | 四维生态科技（杭州）有限公司 | Generation-adding water culture ecological cabin and system for crops and seedling culture management method |
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Application publication date: 20170531 |