CN107197768A - Ecology water-culture system - Google Patents

Ecology water-culture system Download PDF

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Publication number
CN107197768A
CN107197768A CN201710569568.9A CN201710569568A CN107197768A CN 107197768 A CN107197768 A CN 107197768A CN 201710569568 A CN201710569568 A CN 201710569568A CN 107197768 A CN107197768 A CN 107197768A
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CN
China
Prior art keywords
pipe
water
liquid
culture system
ecology
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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.)
Pending
Application number
CN201710569568.9A
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Chinese (zh)
Inventor
王小磊
龚兴军
马聪聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Eight Church Environmental Protection Technology Co Ltd
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Nanjing Eight Church Environmental Protection Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by Nanjing Eight Church Environmental Protection Technology Co Ltd filed Critical Nanjing Eight Church Environmental Protection Technology Co Ltd
Priority to CN201710569568.9A priority Critical patent/CN107197768A/en
Publication of CN107197768A publication Critical patent/CN107197768A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00Soilless cultivation, e.g. hydroponics
    • A01G31/02Special apparatus therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00Soilless cultivation, e.g. hydroponics
    • A01G2031/006Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Hydroponics (AREA)

Abstract

A kind of ecology water-culture system is provided, the ecology water-culture system includes matching somebody with somebody liquid pool, match somebody with somebody the feed tube that liquid pool is connected positioned at the bottom with liquid pool and with described, match somebody with somebody the first liquid back pipe that liquid pool is connected positioned at the top with liquid pool and with described, it is connected and is provided with the second liquid back pipe of sterilizing unit with first liquid back pipe and the feed tube, the aeration unit being connected with the feed tube, the water planting pipe being connected with the aeration unit and first liquid back pipe, wherein, it is described with including the mixing pump on top in liquid pool, mozzle positioned at the mixing pump both sides, the overflow pipe being connected with the mozzle, the overflow pipe is connected with water level control pipe, the water level control pipe is used to control liquid level in the liquid level and the water planting pipe in the overflow pipe, the overflow pipe is communicating pipe with the water planting pipe.The ecology water-culture system architecture of the present invention is simple, easy to use;Effectively improve the dissolved oxygen content in nutrient solution or water;Avoid that nutrient solution is detained and concentration is the problem of reduce;Precise controlling is realized, makes whole ecology water-culture system more stable.

Description

Ecology water-culture system
Technical field
The present invention relates to a kind of ecology water-culture system, more particularly to a kind of ecology water-culture system including aeration unit.
Background technology
, it is known that researcher has invented a kind of tubular type hydroponic system, including nutrition liquid pool, nutrient solution supply pipe, nutrient solution Return duct, water pump, ratio fertilizer applicator, sterilizer, support and some water planting pipes, and water planting pipe is parallel from top to bottom is fixed on On support, connected between two neighbouring water planting pipes by a U-shaped connecting tube, and opened on the top of each planting tube If field planting hole, the system is delivered to nutrient input in planting tube by water pump, and easy to use, simple in construction.In addition, open A kind of Multi-layer water plantation frame, including support frame and some water planting pipes being arranged above and below for being placed on support frame as described above, water It is provided between field planting hole, adjacent water planting pipe and is connected by communicating pipe in management, water planting pipe is connected with feed tube and drain pipe.The party In case, due to needing a U-tube to be connected between adjacent water planting pipe, after multiple U-tubes so that nutrient solution is followed Ring is obstructed significantly;On the other hand, because the program needs a large-scale center support to support, in cost input, place Build and there is inferior position in terms of packed and transported.
At present, in ecology water-culture system, in terms of oxygen-supplying function, oxygenation part is arranged in nutrition liquid pool, i.e., , need to be through water pump and Pipeline transport to root system of plant, because the temperature in course of conveying becomes to the nutrient solution oxygenation in nutrition liquid pool Change and liquid bath in corruption decomposition and consumption when causing the oxygen to be transported to root system concentration it is not high, still suffer from the problem of oxygenation is insufficient; Because water planting pipe is semi-closed state, there are in planting tube nutriment retention problems, it is necessary to which periodic cleaning is trapped in planting tube Material, such as algae, root system of plant fiber, blade, if do not cleared up for a long time, can cause the nutrient solution of whole hydroponic system Rotten and blocking, influences the supply of plant nutrient, or even can influence the stability of whole hydroponic system.
The content of the invention
In order to solve the above problems, the invention provides a kind of ecology water-culture system, the ecology water-culture system includes matching somebody with somebody Liquid pool, positioned at the bottom with liquid pool and with the feed tube being connected with liquid pool, positioned at the top with liquid pool simultaneously With first liquid back pipe being connected with liquid pool, being connected with first liquid back pipe and the feed tube and be provided with to sterilize fills The second liquid back pipe for putting, the aeration unit being connected with the feed tube, with the aeration unit and the first liquid back pipe phase The water planting pipe of connection, wherein, it is described with the mixing pump including top in liquid pool, the mozzle positioned at the mixing pump both sides, with The overflow pipe that the mozzle is connected, the overflow pipe is connected with water level control pipe, and the water level control pipe is used to control Liquid level in the overflow pipe, overflow pipe is communicating pipe with water planting pipe, and water level is identical.
As an improvement, the ecology water-culture system includes the circulation loop of multiple nutrient solutions, and the circulation loop is One-way circulation.
As an improvement, come out by the nutrient infusion of the mozzle and the nutrient input of the water level control pipe Control the liquid level in the overflow pipe.
As an improvement, the mouth of pipe of the water level control pipe is moved along its center axis.
As an improvement, the delivery port of the aeration unit is directly connected with the water planting pipe, utilizes the aeration The liquid level difference of unit and the water planting pipe, promotes liquid circulation process.
As an improvement, the aeration unit is located at the top of the water planting pipe, by adjusting the aeration unit phase The circulation rate of dissolved oxygen content and nutrient solution in nutrient solution is controlled for the position of the water planting pipe.
As an improvement, dissolved oxygen content and battalion in nutrient solution are adjusted by adjusting the air inflow of the aeration unit The circulation rate of nutrient solution.
As an improvement, the aeration unit includes necking part, and the cross section of the necking part gradually subtracts from bottom to top It is small.
As an improvement, the aeration unit includes discharge opeing portion, and the discharge opeing portion is provided with drainage insert, and the row The inside of liquid plug-in unit has multiple separate spaces.
As an improvement, the aeration unit provides for the circulation of nutrient solution or water body in the ecology water-culture system Power.
Beneficial effects of the present invention:
(1) it is simple in construction, easy to use;
(2) water level in water planting pipe can be adjusted easily and fast, it is ensured that hydroponic plant obtain uniform, sufficient moisture or Nutrient solution;
(3) dissolved oxygen content in nutrient solution or water is effectively improved, the nutrient solution after oxygenation is directly entered root system of plant, keeps away Exempt from effusion of the water oxygen in course of conveying, improve root system oxygenation effect;
(4) dissolved oxygen content and flow velocity of the nutrient solution in every water planting pipe are finely controlled, is realized in a hydroponic system The mixed planting of various plants:
(5) water planting Guan Zhongwu separates, the nutrient solution in hydroponic system all participates in the circulations of hydroponic systems, it is to avoid nutrition Liquid is detained, and the problem of concentration is reduced also improves the self-purification capacity of ecology water-culture system;
(6) a variety of circulation loops, fully reply hydroponic plant is in demand of the different growth periods to nutrient solution concentration;
(7) make whole ecology water-culture system more stable;
(8) energy-saving effect is improved.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the hydroponic system of the present invention.
Fig. 2 is the cross-sectional view of the aeration unit of the hydroponic system of the present invention.
In figure, 1. match somebody with somebody liquid pool;2. mixing pump;3. feed tube;4. liquid level observation pipe;5. sterilization pipe;6. Manual Hydraulic switch stand;7a. First liquid back pipe;The liquid back pipes of 7b. second;8. water planting pipe;9. field planting hole;10. gas supply part;11. aeration unit;12. water inlet Mouthful;13. air inlet;14. aeration portion;15. necking part;16. discharge opeing portion;17. transverse tube;18. exhaust outlet;19. collector pipe;20. go out The mouth of a river;21. drainage insert;22. water level control pipe;23. overflow pipe;24. mozzle.
Embodiment
Embodiment 1
Fig. 1 shows the ecology water-culture system of the present invention.As shown in figure 1, ecology water-culture system is, for example, flush system water planting System, and ecology water-culture system include with liquid pool 1, be connected positioned at the bottom with liquid pool 1 and with liquid pool 1 feed tube 3, Positioned at the top with liquid pool 1 and be connected with liquid pool 1 the first liquid back pipe 7a, be connected with the first liquid back pipe 7a and feed tube 3 The aeration unit 11 and aeration for lead to and be provided with the second liquid back pipe 7b of sterilizing unit 5, being connected with feed tube 3 and water planting pipe 8 are single The water planting pipe 8 that member 11 is connected with the first liquid back pipe 7a, it is specifically, interior provided with overflow pipe 23, overflow pipe 23 and water level with liquid pool 1 Control pipe 22 is connected, for example the side opening in overflow pipe 23, and the opening is connected with water level control pipe 22, water level control pipe 22 Can for flexible pipe or with water level adjust opening hard tube, by change position of the water level control pipe 22 along its center axis come The liquid level in overflow pipe 23 is adjusted, overflow pipe 23 is communicating tube structure with water planting pipe 8, and water level is identical, so adjustment overflow pipe 23 Interior liquid level, that is, adjust the liquid level in water planting pipe 8.
In the present embodiment, with also including mixing pump 2 in liquid pool 1, be connected positioned at the both sides of mixing pump 2 and with mixing pump 2 Logical mozzle 24, the overflow pipe 23 being connected with mozzle 24 and the water level control pipe 22 being connected with overflow pipe 23. During work, the continuous firing of mixing pump 2, a part of nutrient solution is flowed into by the mozzle 24 in the side of mixing pump 2 matches somebody with somebody liquid pool 1, Another part nutrient solution is flowed into overflow pipe 23 by the mozzle 24 of the opposite side in mixing pump 2, and afterwards, nutrient solution is from liquid The bottom in pond 1 is delivered to feed tube 3, the delivery port for passing through aeration unit 11 into aeration unit 11, the nutrient solution after oxygenation 20 are directly connected with water planting pipe 8, and the feed liquor process of aforesaid way can farthest reduce oxygen loss.In addition, first Liquid back pipe 7a is provided with the Manual Hydraulic switch stand 6 for the circulation loop for being used to control nutrient solution, Manual Hydraulic switch stand 6 is used to adjust from water planting pipe 8 The flow direction of the nutrient solution of outflow, specifically, the nutrient solution enter in feed tube 3, again through the oxygenation of aeration unit 11 via sterilization pipe 5 Enter afterwards in water planting pipe 8, or the nutrient solution is imported with liquid pool 1, thus form with liquid pool-mixing pump-feed tube-aeration The first circulation loop of unit-the-the second liquid back pipe of water planting pipe-sterilization pipe-feed tube, with liquid pool-mixing pump-feed tube-aeration Unit-the liquid back pipe of water planting pipe-the first-second circulation loop with liquid pool.The concentration of nutrient solution in water planting pipe 8 is in required In the case that water level in the range of concentration and in overflow pipe 23 is located in normal range (NR), the circulation loop of nutrient solution follows for first Loop back path;In the case that the concentration of nutrient solution in water planting pipe 8 is less than required concentration, nutrient solution needs to be back to liquid pool simultaneously Again prepared, the concentration of nutrient solution is adjusted to required concentration, feed liquor, in this case, nutrient solution are carried out again Circulation loop be second circulation loop.In addition, the circulation loop of nutrient solution also includes matching somebody with somebody liquid pool-mixing pump-feed tube-sterilization Manage-the second the-the first liquid back pipe of liquid back pipe-the 3rd circulation loop with liquid pool.Therefore, plant different growth phases pair are effectively adjusted The various concentrations of nutrient solution demand.It should be noted that in the present embodiment, the conveying direction of nutrient solution is unidirectional.
In the present embodiment, overflow pipe 23, feed pipe 3, water planting pipe 8 are realized in each pipe using modes such as U-shaped connections Water level is flushed, i.e., positioned at identical horizontal plane.Lowest water level and peak level are for example marked in advance in overflow pipe 23, are passed through Change the nutrient solution output of the nutrient infusion and water level control pipe 22 of mozzle 24, specifically, by changing water level control pipe The position in wherein heart axis of 22 mouth of pipe controls the water level in overflow pipe 23, so as to control the water level in water planting pipe 8. Water level in overflow pipe 23 is between lowest water level and peak level, i.e. normal range (NR) it is interior in the case of, without feed liquor.Entering Liquid pipe 3 is provided with liquid level observation pipe 4, is judged by observing liquid level observation pipe 4 in water level, the i.e. overflow pipe 23 in water planting pipe 8 Water level, thereby determine whether to need feed liquor.It is easy to observe water planting it should be noted that liquid level observation pipe 4 can also be arranged on The other positions of water level in pipe 8, liquid level observation pipe 4 can also be used for supplementing concentrated nutrient solution temporarily.
As depicted in figs. 1 and 2, ecology water-culture system also includes the gas supply part 10 being connected with aeration unit 11, gas Body supply unit 10 is the blower fan or air compressor that air is provided to aeration unit 11.In addition, ecology water-culture system is also including more Individual water planting pipe 8, and water planting pipe 8 is provided with field planting hole 9.Each water planting pipe 8 is equipped with aeration unit 11, and aeration unit 11 has Oxygen-supplying function, and power is provided for the circulation of nutrient solution or water body in hydroponic system, the delivery port 20 of aeration unit 11 is straight Connect and be connected with water planting pipe 8, and do not separate in water planting pipe 8, thus farthest reduce oxygen loss, the nutrition after oxygenation Liquid or water body are contacted with root system of plant within the shortest time, absorbed, therefore, and nutrient solution all participates in the oxygenation of systems, sterilization, dense Adjustment process is spent, and improves the self-purification capacity of ecology water-culture system, is stranded in therefore without periodic cleaning in water planting pipe Nutriment.
Further, since the cross tube sections of aeration unit 11 are located at liquid level and water in the top of water planting pipe 8, aeration unit 11 Liquid level forms small water-head in management 8, and the one-way circulation of liquid is promoted using the water-head, energy-saving effect is improved.Separately Outside, aeration unit 11 can be adjusted relative to the position height of water planting pipe 8, and by adjusting the relative of aeration unit 11 Position height controls the speed of the size of dissolved oxygen content and nutrient solution circulation in nutrient solution, specifically, by controlling gas Supply unit 10 controls the air inflow of aeration unit 11, to adjust the size of dissolved oxygen content and nutrient solution circulation in nutrient solution Speed.Furthermore it is also possible to by adjusting single aeration unit 11 relative to the setting height of water planting pipe 8 or by controlling gas The air inflow of supply unit 10, to realize the dissolved oxygen content and the Partial controll of circulation rate of nutrient solution in single water planting pipe 8, from And the mixed planting of many clock plants of a hydroponic system can be realized.
It follows that the ecology water-culture system architecture of the present invention is simple, easy to use, ensure that in water planting pipe 8 it is uniform, The demand of sufficient moisture or nutrient solution and root to oxygen.In addition, water planting Guan Zhongwu separates, water circulation effect is enhanced, Improve the self-purification capacity of ecology water-culture system.
Embodiment 2
Hereinafter, the aeration unit used in the ecology water-culture system of the present invention will be described in detail.In this implementation In mode, aeration unit is cylinder type aeration unit, but can also be other types of aeration unit.
As shown in Fig. 2 the one end in each water planting pipe 8 is equipped with cylinder type aeration unit.Cylinder type aeration unit 11 include water inlet 12, and it is located at the one side of the bottom of aeration unit 11;Air inlet 13, it is located at the top of water inlet 12, and And the air inlet 13 is connected by gas distributor with gas supply part;Aeration portion 14, its be located at air inlet 13 top and with Air inlet 13 is connected, and the aeration portion 14 is provided with aeration tube;Necking part 15, the top positioned at aeration portion 14, and the contracting The cross-sectional area of neck 15 is tapered into from bottom to top;Discharge opeing portion 16, it is located at the top of necking part 15, and the discharge opeing portion 16 are provided with drainage insert 21, and the inside of drainage insert 21 has multiple separate spaces, from the point of view of the cross section of drainage insert 21, The plurality of separate space be for example separated by a plurality of line Jing Guo cross-section center or intersected by two groups of parallel lines and It is separated to form, specifically, drainage insert, which can strengthen between bubble and bubble, mutually to be extruded, and is reduced between bubble and bubble Interval is in order to discharge opeing;Drainage insert with this structure makes bubble rise in fixed route, the speed increase that bubble rises, And be conducive to effectively improving the concentration of oxygen gas in water;Transverse tube 17, it is connected with exhaust outlet 18, and the transverse tube 17 is used to incite somebody to action Bubble is delivered to collector pipe 19;Exhaust outlet 18, it is located at the upper surface of the aeration unit 11, and the exhaust outlet 18 is used to discharge Gas;Collector pipe 19, it is located at the lower section of exhaust outlet 18, bubble is summarized in collector pipe 19 and together with bubble motion Liquid, forms gas-liquid separation under gravity;Delivery port 20, it discharges the liquid isolated in collector pipe 19.
In addition, being provided with cylinder type aeration unit in the ecology water-culture system of the present invention, on the one hand, pass through aeration process pair The oxygenation of water planting pipe 8, it is ensured that oxygenation is abundant.On the other hand, by the water level in the water level in aeration unit 11 and water planting pipe 8 it Difference, the oxygenation of feedwater management 8 provides power, improves energy-saving effect.In addition, also enhancing water circulation effect, thereby eliminate The problem of nutriment is detained in water planting, make whole ecology water-culture system more stable.
In addition, the hydroponic system of the present invention can apply to utilize the green rich nutritive material planted in energy-efficient adsorbed water body To realize the water ecology repair system of water remediation, can also be applied to facilities horticulture, family, even desert barren beach, The crop production in salt-soda soil etc. etc..
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art is in the technical scope of the present invention, and the change or replacement that can be readily occurred in should all be covered Within protection scope of the present invention.

Claims (10)

1. a kind of ecology water-culture system, it is characterised in that the ecology water-culture system includes with liquid pool, positioned at described with liquid pool Bottom and with the feed tube being connected with liquid pool, positioned at the top with liquid pool and with it is described match somebody with somebody that liquid pool is connected the One liquid back pipe, the second liquid back pipe for being connected with first liquid back pipe and the feed tube and being provided with sterilizing unit, with it is described Aeration unit that feed tube is connected, the water planting pipe being connected with the aeration unit and first liquid back pipe, wherein, it is described With the overflow being connected in liquid pool including the mixing pump on top, the mozzle positioned at the mixing pump both sides, with the mozzle Pipe, the overflow pipe is connected with water level control pipe, and the water level control pipe is used to control the liquid level in the overflow pipe, described Overflow pipe is communicating pipe with the water planting pipe.
2. ecology water-culture system according to claim 1, it is characterised in that the ecology water-culture system includes multiple nutrition The circulation loop of liquid, the circulation loop is one-way circulation.
3. the ecology water-culture system according to claim 1 and 2, it is characterised in that pass through the nutrient input of the mozzle The nutrient input entered with the water level control pipe comes out the liquid level controlled in the overflow pipe, that is, controls the liquid in water planting pipe Position.
4. ecology water-culture system according to claim 1, it is characterised in that the mouth of pipe of the water level control pipe is along its center Axis is moved.
5. ecology water-culture system according to claim 1, it is characterised in that the delivery port of the aeration unit is directly and institute State water planting pipe to be connected, using the liquid level difference of the aeration unit and the water planting pipe, promote liquid circulation process.
6. ecology water-culture system according to claim 1, it is characterised in that the aeration unit includes cross tube sections, institute The top that cross tube sections are located at the water planting pipe is stated, is controlled by adjusting the aeration unit relative to the position of the water planting pipe The circulation rate of dissolved oxygen content and nutrient solution in nutrient solution processed.
7. ecology water-culture system according to claim 1, it is characterised in that by the air inflow for adjusting the aeration unit To adjust the circulation rate of dissolved oxygen content and nutrient solution in nutrient solution.
8. ecology water-culture system according to claim 1, it is characterised in that the aeration unit includes necking part, described The cross section of necking part is gradually reduced from bottom to top.
9. ecology water-culture system according to claim 1, it is characterised in that the aeration unit includes discharge opeing portion, described Discharge opeing portion is provided with drainage insert, and the inside of the drainage insert has multiple separate spaces.
10. ecology water-culture system according to claim 1, it is characterised in that the aeration unit is the ecology water-culture The circulation of nutrient solution or water body in system provides power.
CN201710569568.9A 2017-07-13 2017-07-13 Ecology water-culture system Pending CN107197768A (en)

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CN201710569568.9A CN107197768A (en) 2017-07-13 2017-07-13 Ecology water-culture system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109906932A (en) * 2019-04-18 2019-06-21 中国农业科学院农田灌溉研究所 A kind of soilless culture nutrient solution circulating irrigation system and irrigation method

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Publication number Priority date Publication date Assignee Title
CN2914653Y (en) * 2006-04-25 2007-06-27 中国农业科学院农业环境与可持续发展研究所 Mobile pipeline type aquaculture device
CN101743896A (en) * 2009-12-24 2010-06-23 中国农业大学 Soilless culture system
KR20130140243A (en) * 2012-06-14 2013-12-24 윤무근 A hydroponic culturing divice using pvc pipe
CN104126526A (en) * 2013-05-02 2014-11-05 台美生物资源股份有限公司 Liquid circulation reflux device
CN204540249U (en) * 2015-04-07 2015-08-12 北京中农美景温室工程技术有限公司 Flush system hydroponic system
US20150366150A1 (en) * 2015-05-15 2015-12-24 Zepplin Anderson Indoor/outdoor hydroponic nutrient delivery system for plants
CN207135791U (en) * 2017-07-13 2018-03-27 南京八本堂环保科技有限公司 Ecology water-culture system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2914653Y (en) * 2006-04-25 2007-06-27 中国农业科学院农业环境与可持续发展研究所 Mobile pipeline type aquaculture device
CN101743896A (en) * 2009-12-24 2010-06-23 中国农业大学 Soilless culture system
KR20130140243A (en) * 2012-06-14 2013-12-24 윤무근 A hydroponic culturing divice using pvc pipe
CN104126526A (en) * 2013-05-02 2014-11-05 台美生物资源股份有限公司 Liquid circulation reflux device
CN204540249U (en) * 2015-04-07 2015-08-12 北京中农美景温室工程技术有限公司 Flush system hydroponic system
US20150366150A1 (en) * 2015-05-15 2015-12-24 Zepplin Anderson Indoor/outdoor hydroponic nutrient delivery system for plants
CN207135791U (en) * 2017-07-13 2018-03-27 南京八本堂环保科技有限公司 Ecology water-culture system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109906932A (en) * 2019-04-18 2019-06-21 中国农业科学院农田灌溉研究所 A kind of soilless culture nutrient solution circulating irrigation system and irrigation method

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Application publication date: 20170926