KR101407857B1 - nutrient solution supply system with ventury - Google Patents

nutrient solution supply system with ventury Download PDF

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Publication number
KR101407857B1
KR101407857B1 KR1020130076733A KR20130076733A KR101407857B1 KR 101407857 B1 KR101407857 B1 KR 101407857B1 KR 1020130076733 A KR1020130076733 A KR 1020130076733A KR 20130076733 A KR20130076733 A KR 20130076733A KR 101407857 B1 KR101407857 B1 KR 101407857B1
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South Korea
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nutrient solution
venturi
raw water
pipe
tank
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KR1020130076733A
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Korean (ko)
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구광모
구지민
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구지민
구광모
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    • 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
    • A01G31/02—Special apparatus therefor
    • 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
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/001—Self-acting watering devices, e.g. for flower-pots with intermittent watering means
    • 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
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/003—Controls for self-acting watering devices
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Hydroponics (AREA)

Abstract

The present invention relates to a venturi-mounted nutrient solution supply system which comprises a water tank and a plurality of irrigation electronic valves (40) wherein water of the water tank and nutrient solution supplied from a plurality of nutrient tanks (20) are mixed and irrigated. The present invention has been made to solve the above problems. In the present invention, a mixing tank is not installed and water of the water tank and nutrient solution in a plurality of nutrient tanks are mixed only by the venturi and an irrigation pump, thereby irrigating through the electronic valve for irrigation. Therefore, the present invention has low production costs and the production simplified. In addition, the present invention can be conveniently used.

Description

벤츄리 설치형 양액공급시스템{nutrient solution supply system with ventury}[0001] The present invention relates to a nutrient solution supply system with venturi,

본발명은 벤츄리 설치형 양액공급시스템에 관한 것으로, 보다 상세하게는 믹싱탱크가 없이, 벤츄리와 관수펌프만으로 원수탱크의 원수와 다수 개의 양액탱크 내의 양액을 혼합하여, 관수용 전자밸브를 통하여 관수하는 벤츄리 설치형 양액공급시스템에 관한 것이다.The present invention relates to a venturi-type nutrient solution supply system, and more particularly, to a venturi-type nutrient solution supply system that does not have a mixing tank and mixes the nutrient solution in the nutrient solution tank with the raw water of the raw water tank with only the venturi and the irrigation pump, Type nutrient solution supply system.

일반적으로 양액재배는 등록특허공보 등록번호 10-1090279 및 등록특허 10-0298214호에 종래기술로 기재된 바와 같이, 식물의 성장에 필요한 양분이 모두 함유된 배양액을 공급시켜 각종 작물을 재배하도록 하는 과학적인 영농기술로서, 토양에 구애받지 않고 식물을 재배하기 위한 것으로, 이것은 배지에 따라 고형배지재배, 담액·박막수경재배로 구별된다. 상기 양액재배는 각종작물의 병충해 방지가 가능하며, 무농약 청정재배로 무공해식물을 제조할 수 있는 진보된 영농방식이라 할 수 있다. 그리고 상기 양액재배를 위한 양액공급시스템은 등록특허 10-0298214호에는 양액의 농도를 재배작물의 생육에 적합하게 EC 및 pH를 미리 설정한 다음 농축양액을 공급하여 물과 혼합시켜 설정된 데이터값으로 양액농도를 조절하고, 이 조절된 양액을 자동 공급하도록 하는 동시에 상기 양액의 공급상태및 고장여부를 각각 검출하여 판독하며, 이 판독된 데이터를 LCD 등과 같은 디스플레이부와 경고표시수단을 통해 양액을 공급하는 과정에서의 이상유무를 검출하여 표시하도록 하는 양액 자동조절공급 및 고장진단 시스템에 관한 것으로, 각종 재배작물에 따라 요구되는 환경 및 기후 등을 자동적으로 조절 공급하도록 하는 기술이 공개되어 있다.In general, nutrient solution cultivation is a scientific method for cultivating various crops by supplying a culture solution containing all nutrients necessary for plant growth, as described in the prior art in Patent Registration No. 10-1090279 and Registration No. 10-0298214 As a farming technology, it is intended to grow plants without regard to soil, and this is distinguished by cultivation of solid medium and cultivation of liquid medium and thin film according to medium. The above-mentioned nutrient solution cultivation can prevent the pests and diseases of various crops, and can be said to be an advanced farming method in which pollution free plants can be produced by an organic pesticide-free cultivation. In the nutrient solution feeding system for the nutrient solution cultivation, the concentration of the nutrient solution is set in advance so as to be suitable for the growing of the cultivated crop, and then the concentrated nutrient solution is supplied and mixed with the water. The nutrient solution is automatically supplied and the nutrient solution is detected and read, and the read data is supplied to a display unit such as an LCD or the like via a warning display unit The present invention relates to an automatic nutrient supply control and fault diagnosis system for detecting and displaying an abnormality in a process, and discloses a technique for automatically adjusting and supplying environment and climate required by various cultivated crops.

또한, 상기 등록특허공보 등록번호 10-1090279호에 종래기술로 기재된 바와 같이, 등록번호 10-0933624호에는 원수공급부와 연결되는 베이스부, 식생부, 상기 원수공급부와 액비탱크가 함께 연결되는 양액공급기, 제어부 및 양액공급수단 등으로 이루어져, 제어부의 제어에 따라 작동하는 상기 양액공급기에 의해 액비와 원수를 공급하여 베이스부에 상기 액비와 원수가 혼합된 양액을 저장하고, 상기 베이스부에 공급되어 저장된 양액의 영양분을 양액공급수단으로 상기 식생부의 식생공간을 채우고 있는 식생토의 식물뿌리에 직접 점적식(點滴式)으로 공급하되 상기 식생공간별로 제어부에 의해 서로 다른 양으로 공급되도록 함으로써, 상기 식생토에 키우고 있는 식물의 성장이 자동적으로 이루어짐과 동시에 서로 다른 식물도 한 공간에서 기를 수 있도록 한 양액 재배장치를 제공하는 기술이 공개되어 있다. 그러나 상기 종래의 양액공급시스템은 각 기능들을 단순히 조합한 것에 불과하므로, 기계부피가 크며, 중량이 무거우며, 조작이 불편한 단점이 있었다.In addition, as described in the above-mentioned prior art publication No. 10-1090279, registration No. 10-0933624 discloses a water supply system including a base portion connected to a raw water supply portion, a vegetation portion, a nutrient solution supply portion A control unit and nutrient solution supply means for supplying a solution and raw water by the nutrient solution supplier operated under the control of the control unit and storing the nutrient solution in which the solution and raw water are mixed in the base unit, The nutrients of the nutrient solution are directly supplied to the vegetation roots of the vegetation soil filled in the vegetation space of the vegetation part by the nutrient solution feeding means in a direct drop type and are supplied in different amounts by the control part for each vegetation space, In order for the growth of the growing plants to take place automatically, as well as for the growth of different plants in one place A technique for providing a nutrient solution cultivation apparatus is disclosed. However, the above-mentioned conventional nutrient solution supply system is merely a combination of the functions, and thus has a disadvantage in that the volume of the machine is large, its weight is heavy, and operation is inconvenient.

그리고 상기 등록특허공보 등록번호 10-1090279를 포함한 종래기술들은 믹싱탱크를 설치해야 하므로 제작단가가 상승하며 제작이 복잡하며 사용상 불편하다는 단점이 있었다.The prior art including the above-mentioned Patent Registration No. 10-1090279 has a disadvantage in that the manufacturing cost is increased due to the need to install a mixing tank, and the production is complicated and inconvenient to use.

따라서 본발명은 상기와 같은 문제점을 해결하고자 안출된 것으로서, 본발명은 믹싱탱크가 설치되지 않고, 단지 벤츄리와 관수펌프만으로 원수탱크의 원수와 다수 개의 양액탱크 내의 양액을 혼합하여, 관수용 전자밸브를 통하여 관수함으로써 제작단가가 저렴하고 제작이 간단하며 사용이 편리한 벤츄리 설치형 양액공급시스템을 제공하고자 하는 것이다.SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems as described above, and it is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for mixing a nutrient solution contained in a nutrient solution tank with raw water of a raw water tank, To provide a venturi-type nutrient solution supply system which is low in manufacturing cost, simple to manufacture, and easy to use.

본발명은 벤츄리 설치형 양액공급시스템에 관한 것으로, 원수탱크와, 상기 원수탱크의 원수 및 다수 개의 양액탱크(20)에서 양액이 공급되어 혼합된 후, 관수되는 다수 개의 관수용 전자밸브(40)로 이루어지는 것을 특징으로 한다.The present invention relates to a venturi-type nutrient solution supply system, comprising: a raw water tank; a plurality of pipe-receiving solenoid valves (40) which are supplied with nutrients from raw water and a plurality of nutrient tanks (20) .

따라서 본발명은 상기와 같은 문제점을 해결하고자 안출된 것으로서, 본발명은 믹싱탱크가 설치되지 않고, 단지 벤츄리와 관수펌프만으로 원수탱크의 원수와 다수 개의 양액탱크 내의 양액을 혼합하여, 관수용 전자밸브를 통하여 관수함으로써 제작단가가 저렴하고 제작이 간단하며 사용이 편리하다는 현저한 효과가 있다.SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems as described above, and it is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide an apparatus and a method for mixing a nutrient solution contained in a nutrient solution tank with raw water of a raw water tank, So that there is a remarkable effect that the production cost is low, the production is simple, and the use is convenient.

도 1은 본발명 양액시스템 구성도Fig. 1 is a schematic diagram of a nutrient solution system according to the present invention

본발명은 벤츄리 설치형 양액공급시스템에 관한 것으로, 원수탱크와, 상기 원수탱크의 원수 및 다수 개의 양액탱크(20)에서 양액이 공급되어 혼합된 후, 관수되는 다수 개의 관수용 전자밸브(40)로 이루어지는 것을 특징으로 한다.The present invention relates to a venturi-type nutrient solution supply system, comprising: a raw water tank; a plurality of pipe-receiving solenoid valves (40) which are supplied with nutrients from raw water and a plurality of nutrient tanks (20) .

또한, 상기 원수탱크의 원수는 지하관정으로부터 원수흡입펌프와 여과기를 거쳐 원수탱크 내부로 인입된 후, 관수관(30) 내부로 흡입되며, 또한 상기 관수관(30)에는 원수의 일부를 분기하는 분기공급관(31)이 연결설치되고, 상기 분기공급관(31)에는 다수 개의 벤츄리(94)가 설치되며, 상기 벤츄리(94) 후단에는 분기회수관(32) 선단이 연결설치되며, 상기 분기회수관(32) 후단은 관수관(30)과 연결되되, 상기 분기회수관 (32)중간에는 관수펌프(60)가 설치되어, 상기 분기공급관(31)을 통해 분기된 원수는 벤츄리(94)에 의해 공급된 양액과 혼합된 후, 관수펌프(60)를 통과한 후, 다시 관수관(30)에 연결되어 다수개의 전자밸브(40)를 통해 관수되되, In addition, the raw water in the raw water tank is drawn into the raw water tank through the raw water suction pump and the filter from the underground tank, and then sucked into the water pipe 30, and a part of the raw water is branched into the water pipe 30 A plurality of venturi 94 are installed in the branch supply pipe 31 and the tip of the branch return pipe 32 is connected to the rear end of the venturi 94. The branch return pipe 31 is connected to the branch return pipe 31, A water pump 60 is provided in the middle of the branch return pipe 32. The raw water branched through the branch supply pipe 31 is supplied to the venturi 94 by the venturi 94. [ The mixed nutrient solution is mixed with the nutrient solution and then passed through the irrigation pump 60 and then connected to the irrigation pipe 30 to be irrigated through the plurality of electromagnetic valves 40,

상기 벤츄리(94) 내부에는 음압이 발생하고, 상기 음압에 의해 양액탱크(20) 내부의 양액이 벤츄리(94) 내부로 원활하게 흡입되는 것을 특징으로 한다.A negative pressure is generated in the venturi 94 and the nutrient solution in the nutrient solution tank 20 is sucked smoothly into the venturi 94 by the negative pressure.

또한, 상기 양액탱크(20) 내부의 양액은 여과기, 개폐밸브(92)를 순차적으로 통과한 후 벤츄리(94)로 인입하는 것을 특징으로 한다.
The nutrient solution in the nutrient solution tank 20 is sequentially passed through a filter and an on-off valve 92, and is then introduced into the venturi 94.

본발명을 첨부도면에 의해 상세히 설명하면 다음과 같다. 도 1은 본발명 양액시스템 구성도이다.The present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG.

원수흡입펌프는 자동수위조절기가 설치된 자동펌프를 사용함으로써, 원수탱크 내부의 원수가 일정수위 이하이면 자동으로 펌프가 작동하며, 일정수위에 도달하면 펌프가 정지하여, 원수탱크를 항상 일정한 수위를 유지하게 한다.The raw water suction pump uses an automatic pump equipped with an automatic water level controller so that when the raw water inside the raw water tank is below a certain level, the pump is automatically operated. When the water level reaches a certain level, the pump is stopped, and the raw water tank is always maintained at a constant water level .

여과기, 곧 스트레너는 내부에 교체 가능한 필터가 내장되며, 필터에 의해 원수와 양액 등에 포함된 이물질을 걸러내는 역할을 한다.
The strainer has an internal replaceable filter and filters out foreign substances contained in raw water and nutrient solution.

그리고 상기 양액공급과 관수를 제어하는 제어반이 함께 설치된다.And a control panel for controlling the nutrient solution supply and the irrigation water are installed together.

본발명 양액공급시스템의 최대 관수 능력은 약12,000 ~ 18,000리터 / 시간이며, 양액공급은 10 ~ 500리터 / 시간이다. 그리고 본발명의 액비 제어는 양액 설정치에 의한 비례제어를 한다.The maximum irrigation capacity of the present invention nutrient supply system is about 12,000 to 18,000 liters / hour and the nutrient supply is 10 to 500 liters / hour. The liquid control of the present invention performs proportional control by the nutrient solution setting value.

본발명의 기계중량은 약80Kg이 되며, 전원은 삼상 4선식 AC380V/60Hz를 사용한다.
The machine weight of the present invention is about 80 Kg, and the power source uses three-phase four-wire type AC380V / 60Hz.

본발명 벤츄리 설치형 양액공급시스템은 원수탱크와, 상기 원수탱크의 원수 및 다수 개의 양액탱크(20)에서 양액이 공급되어 혼합된 후, 관수되는 다수 개의 관수용 전자밸브(40)로 이루어진다.The venturi-type nutrient solution supply system according to the present invention comprises a raw water tank, and a plurality of pipe-receiving solenoid valves (40) which are mixed after the nutrient solution is supplied and mixed in the raw water of the raw water tank and a plurality of nutrient tanks (20).

또한, 상기 원수탱크의 원수는 지하관정으로부터 원수흡입펌프와 여과기를 거쳐 원수탱크 내부로 인입된 후, 관수관(30) 내부로 흡입된다. 또한 상기 관수관(30)에는 원수의 일부를 분기하는 분기공급관(31)이 연결설치되고, 상기 분기공급관(31)에는 다수 개의 벤츄리(94)가 설치되며, 상기 벤츄리(94) 후단에는 분기회수관(32) 선단이 연결설치된다. 그리고 상기 분기회수관(32) 후단은 관수관(30)과 연결되되, 상기 분기회수관 (32)중간에는 관수펌프(60)가 설치되어 있다. In addition, the raw water of the raw water tank is drawn into the raw water tank through the raw water suction pump and the filter from the underground tank, and then sucked into the water pipe (30). A plurality of venturi (94) are installed in the branch supply pipe (31), and a plurality of venturi (94) is installed at the rear end of the venturi (94) And the tip of the pipe (32) is connected. The rear end of the branch return pipe 32 is connected to the water supply pipe 30 and the water supply pump 60 is installed in the middle of the branch return pipe 32.

그러므로 상기 분기공급관(31)을 통해 분기된 원수는 벤츄리(94)에 의해 공급된 양액과 혼합된 후, 관수펌프(60)를 통과한 후, 다시 관수관(30)에 연결되어 다수개의 전자밸브(40)를 통해 관수된다.The raw water branched through the branch supply pipe 31 is mixed with the nutrient solution supplied by the venturi 94 and then passes through the irrigation pump 60 and is further connected to the water supply pipe 30 to supply a plurality of solenoid valves (40).

동작원리에 대해 기재하면, 분기공급관의 원수와 관수펌프의 힘에 의해 벤츄리(94) 내부에는 음압이 발생하고, 상기 음압에 의해 양액탱크(20) 내부의 양액이 벤츄리(94) 내부로 원활하게 흡입된 후 분기회수관을 통해 관수관으로 흘러가게되는 것이다.A sound pressure is generated inside the venturi 94 by the force of the raw water of the branch supply pipe and the water pump, and the nutrient solution in the nutrient solution tank 20 is smoothly flowed into the venturi 94 by the negative pressure. After being inhaled, it flows to the water pipe through the branch return pipe.

또한, 상기 양액탱크(20) 내부의 양액은 여과기, 개폐밸브(92)를 순차적으로 통과한 후 벤츄리(94)로 인입하는 것이다.The nutrient solution in the nutrient solution tank 20 is sequentially passed through a filter and an on-off valve 92, and then enters the venturi 94.

관수관에서의 양액탱크의 혼합비율은 상기 개폐밸브의 개도를 조절함으로써, 혼합비율이 조절된다.The mixing ratio of the nutrient solution tank in the water pipe is controlled by adjusting the opening degree of the opening / closing valve.

한편, 전기전도도를 측정하는 EC 센서와 산성,알칼리성을 측정하는 PH센서는 관용적으로 널리 사용되는 것을 사용하는 것으로, 설치위치는 벤츄리에 설치한다.
On the other hand, the EC sensor for measuring the electric conductivity and the PH sensor for measuring the acidity and the alkalinity are widely used, and the installation position is set in the venturi.

따라서 본발명은 믹싱탱크가 설치되지 않고, 단지 벤츄리와 관수펌프만으로 원수탱크의 원수와 다수 개의 양액탱크 내의 양액을 혼합하여, 관수용 전자밸브를 통하여 관수함으로써 제작단가가 저렴하고 제작이 간단하며 사용이 편리하다는 현저한 효과가 있다.Therefore, the present invention does not provide a mixing tank but merely mixes the nutrient solution in the raw nutrient tank with the raw water of the raw water tank by only the venturi and the irrigation pump, This is a convenient effect.

20 : 양액탱크
21 : 여과기
30 : 관수관
40 : 전자밸브
31 : 분기공급관 32 : 분기회수관
60 : 관수펌프
92 : 개폐밸브
94 : 벤츄리 41 : 여과기
100 : 제어반
101 : EC센서 102 : PH센서20: Nutrient solution tank
21: Filter
30: Water pipe
40: Solenoid valve
31: branch supply pipe 32: branch return pipe
60: water pump
92: opening and closing valve
94: Venturi 41: Filter
100: control panel
101: EC sensor 102: PH sensor

Claims (3)

원수탱크와, 상기 원수탱크의 원수 및 다수 개의 양액탱크(20)에서 양액이 공급되어 혼합된 후, 관수되는 다수 개의 관수용 전자밸브(40)로 이루어지는 것을 벤츄리 설치형 양액공급시스템에 있어서,
상기 원수탱크의 원수는 지하관정으로부터 원수흡입펌프와 여과기를 거쳐 원수탱크 내부로 인입된 후, 관수관(30) 내부로 흡입되며, 또한 상기 관수관(30)에는 원수의 일부를 분기하는 분기공급관(31)이 연결설치되고, 상기 분기공급관(31)에는 다수 개의 벤츄리(94)가 설치되며, 상기 벤츄리(94) 후단에는 분기회수관(32) 선단이 연결설치되며, 상기 분기회수관(32) 후단은 관수관(30)과 연결되되, 상기 분기회수관 (32)중간에는 관수펌프(60)가 설치되어, 상기 분기공급관(31)을 통해 분기된 원수는 벤츄리(94)에 의해 공급된 양액과 혼합된 후, 관수펌프(60)를 통과한 후, 다시 관수관(30)에 연결되어 다수개의 전자밸브(40)를 통해 관수되되, 상기 벤츄리(94) 내부에는 음압이 발생하고, 상기 음압에 의해 양액탱크(20) 내부의 양액이 벤츄리(94) 내부로 원활하게 흡입되는 것이며,
또한, 상기 양액탱크(20) 내부의 양액은 여과기, 개폐밸브(92)를 순차적으로 통과한 후 벤츄리(94)로 인입하되, 상기 관수관에서의 양액탱크의 혼합비율은 상기 개폐밸브(92)의 개도를 조절함으로써, 혼합비율이 조절되는 것을 특징으로 하는 벤츄리 설치형 양액공급시스템And a plurality of pipe-receiving solenoid valves (40) which are mixed after the nutrient solution is supplied and mixed in the raw water tank and a plurality of nutrient tanks (20) of the raw water tank. In the venturi-type nutrient solution supply system,
The raw water in the raw water tank is drawn into the raw water tank through the raw water suction pump and the filter from the underground water tank and then sucked into the water pipe 30. The water pipe 30 is provided with a branch pipe A plurality of venturi 94 is installed in the branch supply pipe 31 and a branch pipe 32 is connected to a rear end of the venturi 94. The branch pipe 32 And the raw water branched through the branch supply pipe 31 is supplied to the venturi 94 via the venturi 94. The venturi 94 is connected to the water pipe 30, The mixed fluid is mixed with the nutrient solution and then passed through the irrigation pump 60 and then connected to the irrigation pipe 30 to be drained through the plurality of electromagnetic valves 40. Negative pressure is generated in the inside of the venturi 94, The nutrient solution inside the nutrient solution tank 20 is sucked smoothly into the venturi 94 by the negative pressure Lt; / RTI &
The nutrient solution in the nutrient solution tank 20 is sequentially passed through a filter and an on-off valve 92 and then introduced into the venturi 94. The mixing ratio of the nutrient solution tank in the irrigation pipe is controlled by the on- Wherein the mixing ratio is adjusted by controlling the degree of opening of the venturi-type nutrient solution supply system 삭제delete 삭제delete
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CN104303677A (en) * 2014-10-27 2015-01-28 宿州学院 Integrated water-fertilizer micro-jetting irrigation fertilizing system
CN105145324A (en) * 2015-09-15 2015-12-16 中国农业科学院茶叶研究所 Combined type convenient root-splitting water culture device
KR20160010014A (en) * 2014-07-18 2016-01-27 구광모 nutrient solution supply method with ventury
KR20160081120A (en) 2014-12-30 2016-07-08 주식회사 대산정밀 Automatically controlled growing conditions and plant nutrient solution supply plant cultivating device
CN107593374A (en) * 2017-10-26 2018-01-19 山东大学 A kind of the water-fertilizer integral irrigation system and control method of branch road detection
CN108283046A (en) * 2018-04-26 2018-07-17 中国农业科学院农田灌溉研究所 High-efficient irrigation system suitable for dense planting crop water-fertilizer integral
CN108738619A (en) * 2018-07-30 2018-11-06 宁波市农业科学研究院 A kind of controllable fertilizer apparatus of distributed remote

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KR101088427B1 (en) 2011-05-06 2011-12-01 박철수 Nutrient solution supply control method
KR101090279B1 (en) * 2011-05-06 2011-12-07 박철수 Nutrient solution supply system

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KR19990045788A (en) * 1999-01-08 1999-06-25 최형인 Automatic fertilizer mixing system
KR101088427B1 (en) 2011-05-06 2011-12-01 박철수 Nutrient solution supply control method
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160010014A (en) * 2014-07-18 2016-01-27 구광모 nutrient solution supply method with ventury
KR101632789B1 (en) 2014-07-18 2016-06-23 구광모 nutrient solution supply method with ventury
CN104303677A (en) * 2014-10-27 2015-01-28 宿州学院 Integrated water-fertilizer micro-jetting irrigation fertilizing system
KR20160081120A (en) 2014-12-30 2016-07-08 주식회사 대산정밀 Automatically controlled growing conditions and plant nutrient solution supply plant cultivating device
CN105145324A (en) * 2015-09-15 2015-12-16 中国农业科学院茶叶研究所 Combined type convenient root-splitting water culture device
CN107593374A (en) * 2017-10-26 2018-01-19 山东大学 A kind of the water-fertilizer integral irrigation system and control method of branch road detection
CN108283046A (en) * 2018-04-26 2018-07-17 中国农业科学院农田灌溉研究所 High-efficient irrigation system suitable for dense planting crop water-fertilizer integral
CN108738619A (en) * 2018-07-30 2018-11-06 宁波市农业科学研究院 A kind of controllable fertilizer apparatus of distributed remote

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