CN201238547Y - Automatic agricultural chemicals mixer with variable atomization - Google Patents

Automatic agricultural chemicals mixer with variable atomization Download PDF

Info

Publication number
CN201238547Y
CN201238547Y CNU2008200473467U CN200820047346U CN201238547Y CN 201238547 Y CN201238547 Y CN 201238547Y CN U2008200473467 U CNU2008200473467 U CN U2008200473467U CN 200820047346 U CN200820047346 U CN 200820047346U CN 201238547 Y CN201238547 Y CN 201238547Y
Authority
CN
China
Prior art keywords
agricultural chemicals
inlet
medicine
water
mentioned
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.)
Expired - Fee Related
Application number
CNU2008200473467U
Other languages
Chinese (zh)
Inventor
洪添胜
刘志壮
李震
宋淑然
杨洲
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.)
South China Agricultural University
Original Assignee
South China Agricultural University
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.)
Filing date
Publication date
Application filed by South China Agricultural University filed Critical South China Agricultural University
Priority to CNU2008200473467U priority Critical patent/CN201238547Y/en
Application granted granted Critical
Publication of CN201238547Y publication Critical patent/CN201238547Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model relates to an automatic agricultural chemical mixing device, in particular to a variable spraying and agricultural chemical mixing device with separately stored agricultural chemicals and water and changeable spraying concentration at real time. The device comprises a water tank (1) used for storing water, a one-way valve (2) used for preventing the liquor from reversely flowing to the water tank (1), a main flow meter (3) used for detecting the water flow, a agricultural chemical mixing chamber (7) used for mixing the water and the agricultural chemicals, a water pump (8) used for providing the energy required for spraying, a plurality of liquor metering mechanisms (A) and a plurality of spraying mechanisms (B), wherein the water tank (1) is communicated with the inlet of the agricultural chemical mixing chamber (7) through the one-way valve (2), the main flow meter (3) and a pipeline, the liquor outlet openings of the liquor metering mechanisms (A) are communicated with the inlet of the agricultural chemical mixing chamber (7), and the outlet of the agricultural chemical mixing chamber (7) is respectively communicated with the liquor inlet openings of the spraying mechanisms (B) through the water pump (8) and a connecting pipe (11). The utility model realizes separate storage between the agricultural chemicals and the water, can control the concentration of the liquor for spraying, and can perform spraying to one or a plurality of agricultural chemicals separately or synchronously.

Description

A kind of automatic agricultural chemicals mixer with variable atomization device
Technical field
The utility model relates to a kind of automatic medicine-mixing device, particularly a kind of medicine and the water variable rate spray medicament-mixing device that concentration can be in real time variable of independently depositing, spray.
Background technology
In the agricultural plant protection process, sprayer is used very extensive, its structure and of a great variety, existing sprayer technology is relatively backward, the overwhelming majority adopts premixed spraying, also have to begin to propose the method that liquid medicine separates extremely individually, but still do not solve variable rate spray and control the problem that liquor strength problem and multiple medicine are changed in real time, sprayed individually or simultaneously automatically, be difficult to satisfy user's user demand.
The utility model content
Provide a kind of medicine and water independently to deposit but the purpose of this utility model is to consider the problems referred to above, can control the automatic agricultural chemicals mixer with variable atomization device that one or more medicines of spray liquor concentration spray individually or simultaneously in real time.The utility model design is ingenious, simple in structure, convenient and practical, is applicable to the big-and-middle-sized sprayer of vehicular or pulling type.
The technical solution of the utility model is: include the water tank that is used to deposit water, be used to prevent that soup from flowing backward to the check valve of water tank, be used to detect the main flow meter of the flow of water, be used for mixed coyote hole that water is mixed with agricultural chemicals, be used to provide the water pump of spraying institute energy requirement, several soup metrological services and several spraying machine structures, wherein water tank passes through check valve, main flow is taken into account pipeline and is communicated with the inlet of mixed coyote hole, the medicine liquid outlet of several soup metrological services is communicated with the inlet of mixed coyote hole, and the outlet that mixes coyote hole is communicated with the soup import of several spraying machine structures respectively by water pump and tube connector.
Above-mentioned soup metrological service includes the medicine-chest, the flowmeter that is used to detect the agricultural chemicals flow that are used to deposit agricultural chemicals, be used to control the flow control valve of the real-time traffic of medicine, the medicine liquid outlet of medicine-chest is connected with flow control valve by flowmeter, and the medicine liquid outlet of flow control valve is communicated with mixed coyote hole; Or the medicine liquid outlet of medicine-chest is connected with flowmeter by flow control valve, and the medicine liquid outlet of flowmeter is communicated with mixed coyote hole; Main flow meter, flowmeter, flow control valve and the control device that is used to detect or control fluid flow are connected.
Above-mentioned spraying machine structure includes shower nozzle, and the inlet of shower nozzle is connected with the liquid outlet of water pump by tube connector.
Also be connected with the switch electromagnetic valve of the situation that sprays that is used for independent each shower nozzle of control between above-mentioned shower nozzle and the tube connector, the inlet of switch electromagnetic valve is connected with the liquid outlet of water pump by tube connector, the liquid outlet of switch electromagnetic valve is connected with the inlet of shower nozzle, and switch electromagnetic valve also is connected with control device.
Also be provided with the branched pipe of being convenient to be connected between the inlet of above-mentioned tube connector and switch electromagnetic valve.
Above-mentioned branched pipe is made " one " font, or does circularly, which is provided with an inlet and several outlets, and inlet is connected with water pump, and several outlets are connected with switch electromagnetic valve respectively.
The upper end and the lower end of above-mentioned water tank are respectively equipped with opening, and lower ending opening is connected with check valve, also are equipped with the liquid level instrument of real-time its liquid level of detection in the water tank.
Above-mentioned main flow meter adopts the differential pressure type fluid flowmeter
Above-mentioned medicine-chest is provided with two or more, and its upper end and lower end are respectively equipped with opening, and lower ending opening is connected with flowmeter; Above-mentioned mixed coyote hole is provided with a main-inlet, a primary outlet and a plurality of inlets, and the quantity of an inlet is identical with the quantity of medicine-chest, and main-inlet is connected with the outlet of main flow meter, and an inlet is connected with the outlet of flow control valve, and primary outlet is connected with water pump.
Above-mentioned flowmeter adopts the differential pressure type fluid flowmeter, and its quantity is identical with the quantity of medicine-chest; Flow control valve adopts proportion magnetic valve, and its quantity is identical with the quantity of medicine-chest.
The utility model compared with prior art has following advantage: (1) realizes independently depositing of agricultural chemicals stoste and water; (2) according to the actual needs of different plot crop to liquor strength, change the ratio of making up a prescription by the control flow valve, realize the function of variable rate spray; (3) a plurality of medicine-chests can realize changing in real time agricultural chemicals and Multiple Pesticides is mixed the effect that sprays; (4) many shower nozzles are in order to adapt to big-and-middle-sized spray boom formula sprayer and air-assisted type spraying machine.
The utility model has solved the problem that liquor strength is variable in real time, one or more agricultural chemicals are sprayed individually or simultaneously, is applicable to the big-and-middle-sized sprayer of vehicular or pulling type.The utility model is that a kind of design is ingenious, function admirable, convenient and practical automatic agricultural chemicals mixer with variable atomization device.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Embodiment:
Structural representation of the present utility model as shown in Figure 1, include the water tank 1 that is used to deposit water, be used to prevent that soup from flowing backward to the check valve 2 of water tank 1, be used to detect the main flow meter 3 of the flow of water, be used for mixed coyote hole 7 that water is mixed with agricultural chemicals, be used to provide the water pump 8 of spraying institute energy requirement, several A of soup metrological service and several spraying machine structures B, wherein water tank 1 is by check valve 2, main flow meter 3 and pipeline are communicated with the inlet of mixed coyote hole 7, the medicine liquid outlet of the A of several soup metrological services is communicated with the inlet of mixed coyote hole 7, and the outlet that mixes coyote hole 7 is communicated with the soup import of several spraying machine structures B respectively by water pump 8 and tube connector 11.
The above-mentioned soup A of metrological service includes the medicine-chest 4, the flowmeter 5 that is used to detect the agricultural chemicals flow that are used to deposit agricultural chemicals, be used to control the flow control valve 6 of the real-time traffic of medicine, the medicine liquid outlet of medicine-chest 4 is connected with flow control valve 6 by flowmeter 5, and the medicine liquid outlet of flow control valve 6 is communicated with mixed coyote hole 7; Or the medicine liquid outlet of medicine-chest 4 is connected with flowmeter 5 by flow control valve 6, and the medicine liquid outlet of flowmeter 5 is communicated with mixed coyote hole 7; Main flow meter 3, flowmeter 5, flow control valve 6 and the control circuit that is used to detect or control fluid flow are connected.In the present embodiment, the A of soup metrological service includes 3 covers, promptly include 5,3 flow control valves 6 of 4,3 flowmeters of 3 medicine-chests, mix coyote hole 7 for having the closed conduit of an inlet, three inlets and a primary outlet, water tank 1, check valve 2 and main flow meter 3 usefulness tube connectors couple together, and the main-inlet with mixed coyote hole 7 is connected again; Each medicine-chest 4 and a flowmeter 5 and flow control valve 6 usefulness tube connectors couple together, be connected with one of mixed coyote hole 7 inlet, promptly three paths forming of three medicine-chests 4, three flowmeters 5 and three flow control valves 5 link to each other with three inlets of mixed coyote hole 7 again.Main flow 3, flowmeter 5, flow control valve 6 and the control device that is used to detect or control fluid flow are connected.Mixing coyote hole 7 can make with copper pipe, stainless steel tube or plastic tube.
Above-mentioned spraying machine structure B includes shower nozzle 10, and the inlet of shower nozzle 10 is connected with the liquid outlet of water pump 8 by tube connector 11.
The situation that sprays for ease of independent each shower nozzle of control, also be connected with switch electromagnetic valve 9 between above-mentioned shower nozzle 10 and the tube connector 11, the inlet of switch electromagnetic valve 9 is connected with the liquid outlet of water pump 8 by tube connector 11, the liquid outlet of switch electromagnetic valve 9 is connected with the inlet of shower nozzle 10, and switch electromagnetic valve 9 also is connected with control circuit.Main flow meter, flowmeter are connected with the testing circuit of control device, and flow control valve, switch electromagnetic valve are connected with the control circuit of control device, to realize unified control.Control device can be existing control device based on microprocessor.
For ease of connecting and installing, also be provided with branched pipe 12 between the inlet of above-mentioned tube connector 11 and switch electromagnetic valve 9.Above-mentioned branched pipe 12 is made " one " font, or does circularly, which is provided with an inlet and several outlets, and inlet is connected with water pump 8, and several outlets are connected with switch electromagnetic valve 9 respectively.In the present embodiment, branched pipe 12 has an inlet and 3 outlets, and the primary outlet that mixes coyote hole 7 is connected with water pump 8, and water pump 8 links to each other with the inlet of branched pipe 12 again; Each outlet and a switch electromagnetic valve 9 of branched pipe 12.
In the present embodiment, the volume of above-mentioned water tank 1 is bigger, and shape is indefinite, can be made by metal or plastics, and its upper end and lower end are respectively equipped with opening, and lower ending opening is connected with check valve 2, also is equipped with the liquid level instrument of real-time its liquid level of detection in the water tank 1.Above-mentioned main flow meter 3 adopts the differential pressure type fluid flowmeter.Above-mentioned medicine-chest 4 upper ends and lower end are respectively equipped with opening, and lower ending opening is connected with flowmeter 5.
Above-mentioned flowmeter 5 adopts the differential pressure type fluid flowmeter, also can adopt existing a small amount of range of flow meter.Its quantity is identical with the quantity of medicine-chest 4; Flow control valve 6 adopts proportion magnetic valve, or adopts the valve of energy continuous control flow, and its quantity is identical with the quantity of medicine-chest 4.
Operation principle of the present utility model is as follows: power drive water pump 8, the water that water tank is 1 li arrive by check valve 2 and main flow meter 3 and mix coyote hole 7; The agricultural chemicals that medicine-chest is 4 li mixes with water to mixing coyote hole 7 by flowmeter 5 and flow control valve 6; The liquid medicine mixed liquor is flowed through water pump 8 and switch electromagnetic valve 9 by shower nozzle 10 ejections.The microprocessor of control device is accepted the spraying instruction, and control flow control valve 6 is regulated the flow of medicine in real time and realized variable rate spray.

Claims (10)

1, a kind of automatic agricultural chemicals mixer with variable atomization device, it is characterized in that including the water tank (1) that is used to deposit water, be used to prevent that soup from flowing backward to the check valve of water tank (1) (2), be used to detect the main flow meter (3) of the flow of water, be used for mixed coyote hole (7) that water is mixed with agricultural chemicals, be used to provide the water pump (8) of spraying institute energy requirement, several soup metrological services (A) and several spraying machine structures (B), wherein water tank (1) is by check valve (2), main flow meter (3) and pipeline are communicated with the inlet of mixed coyote hole (7), the medicine liquid outlet of several soup metrological services (A) is communicated with the inlet of mixed coyote hole (7), and the outlet that mixes coyote hole (7) is communicated with the soup import of several spraying machine structures (B) respectively by water pump (8) and tube connector (11).
2, automatic agricultural chemicals mixer with variable atomization device according to claim 1, it is characterized in that above-mentioned soup metrological service (A) includes the medicine-chest (4), the flowmeter (5) that is used to detect the agricultural chemicals flow that are used to deposit agricultural chemicals, is used to control the flow control valve (6) of the real-time traffic of medicine, the medicine liquid outlet of medicine-chest (4) is connected with flow control valve (6) by flowmeter (5), and the medicine liquid outlet of flow control valve (6) is communicated with mixed coyote hole (7); Or the medicine liquid outlet of medicine-chest (4) is communicated with mixed coyote hole (7) with the medicine liquid outlet of flowmeter (5) connection traffic meter (5) by flow control valve (6); Main flow meter (3), flowmeter (5), flow control valve (6) and the control device that is used to detect or control fluid flow are connected.
3, automatic agricultural chemicals mixer with variable atomization device according to claim 2 is characterized in that above-mentioned spraying machine structure (B) includes shower nozzle (10), and the inlet of shower nozzle (10) is connected with the liquid outlet of water pump (8) by tube connector (11).
4, automatic agricultural chemicals mixer with variable atomization device according to claim 3, it is characterized in that also being connected with between above-mentioned shower nozzle (10) and the tube connector (11) switch electromagnetic valve (9) of the situation that sprays that is used for independent each shower nozzle of control, the inlet of switch electromagnetic valve (9) is connected with the liquid outlet of water pump (8) by tube connector (11), the liquid outlet of switch electromagnetic valve (9) is connected with the inlet of shower nozzle (10), and switch electromagnetic valve (9) electric part is connected with control device.
5, automatic agricultural chemicals mixer with variable atomization device according to claim 4 is characterized in that also being provided with the branched pipe of being convenient to be connected (12) between the inlet of above-mentioned tube connector (11) and switch electromagnetic valve (9).
6, automatic agricultural chemicals mixer with variable atomization device according to claim 5, it is characterized in that above-mentioned branched pipe (12) makes " one " font, or do circularly, which is provided with an inlet and several outlets, inlet is connected with water pump (8), and several outlets are connected with switch electromagnetic valve (9) respectively.
7, according to each described automatic agricultural chemicals mixer with variable atomization device of claim 2 to 6, the upper end and the lower end that it is characterized in that above-mentioned water tank (1) are respectively equipped with opening, lower ending opening is connected with check valve (2), also is equipped with the liquid level instrument of real-time its liquid level of detection in the water tank (1).
8, automatic agricultural chemicals mixer with variable atomization device according to claim 7 is characterized in that above-mentioned main flow meter (3) adopts the differential pressure type fluid flowmeter.
9, automatic agricultural chemicals mixer with variable atomization device according to claim 8 is characterized in that above-mentioned medicine-chest (4) is provided with two or more, and its upper end and lower end are respectively equipped with opening, and lower ending opening is connected with flowmeter (5); Above-mentioned mixed coyote hole (7) is provided with a main-inlet, a primary outlet and a plurality of inlets, the quantity of propping up inlet is identical with the quantity of medicine-chest (4), main-inlet is connected with the outlet of main flow meter (3), and an inlet is connected with the outlet of flow control valve (6), and primary outlet is connected with water pump (8).
10, automatic agricultural chemicals mixer with variable atomization device according to claim 8 is characterized in that above-mentioned flowmeter (5) adopts the differential pressure type fluid flowmeter, and its quantity is identical with the quantity of medicine-chest (4); Flow control valve (6) adopts proportion magnetic valve, and its quantity is identical with the quantity of medicine-chest (4).
CNU2008200473467U 2008-05-06 2008-05-06 Automatic agricultural chemicals mixer with variable atomization Expired - Fee Related CN201238547Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200473467U CN201238547Y (en) 2008-05-06 2008-05-06 Automatic agricultural chemicals mixer with variable atomization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200473467U CN201238547Y (en) 2008-05-06 2008-05-06 Automatic agricultural chemicals mixer with variable atomization

Publications (1)

Publication Number Publication Date
CN201238547Y true CN201238547Y (en) 2009-05-20

Family

ID=40711832

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200473467U Expired - Fee Related CN201238547Y (en) 2008-05-06 2008-05-06 Automatic agricultural chemicals mixer with variable atomization

Country Status (1)

Country Link
CN (1) CN201238547Y (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102550521A (en) * 2010-12-15 2012-07-11 陈言平 Self-propelled spraying machine
CN103889215A (en) * 2011-08-26 2014-06-25 巴斯夫欧洲公司 Method for ejecting a pesticide and spray-gun
CN104026108A (en) * 2014-05-12 2014-09-10 长兴兴源葡萄科技有限公司 Stirring assembly of high-pressure electric sprayer
CN104170811A (en) * 2014-08-26 2014-12-03 江苏大学 Intelligent low-cost online pesticide mixing device
CN104273111A (en) * 2014-09-10 2015-01-14 湖州中安农业智能科技有限公司 Pesticide adder of automatic pesticide sprayer for vineyard
CN104430270A (en) * 2014-10-24 2015-03-25 华南农业大学 Sprayer with automatic pesticide mixing function
CN104521928A (en) * 2014-12-10 2015-04-22 绵阳青山森腾信息科技有限公司 Remote control pesticide spraying device in case of pest diseases
CN105072896A (en) * 2013-03-15 2015-11-18 巴斯夫欧洲公司 Automated pesticide mixing and dispensing system and method of use
CN105532617A (en) * 2016-01-11 2016-05-04 华南农业大学 On-line real-time pesticide mixing and spraying system and control method thereof
CN106106416A (en) * 2016-08-23 2016-11-16 苏永华 A kind of intelligent walking pesticide spraying system and gather data, make up a prescription and spray method
CN106472465A (en) * 2015-08-26 2017-03-08 重庆市瑰邦农业开发有限公司 A kind of rail mounted auto spraying equipment for booth pesticide spraying
CN106614473A (en) * 2016-11-21 2017-05-10 华南农业大学 Direct injection type real-time concentration variation on-line pesticidesmixing spraying device and control method thereof
CN107197852A (en) * 2017-07-21 2017-09-26 程明琴 A kind of agricultural pesticide-spraying cart
CN108935412A (en) * 2018-08-17 2018-12-07 华南农业大学 It is integrated in the air-assisted sprayer unit and spray method of the electronic double track transport machine in fruit tea garden
CN109701406A (en) * 2019-02-26 2019-05-03 安徽千一智能设备股份有限公司 A kind of liquid proportioner
CN111528204A (en) * 2020-02-25 2020-08-14 谱曲辰农业科技股份有限公司 Mixing device structure

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102550521A (en) * 2010-12-15 2012-07-11 陈言平 Self-propelled spraying machine
CN103889215A (en) * 2011-08-26 2014-06-25 巴斯夫欧洲公司 Method for ejecting a pesticide and spray-gun
CN105072896A (en) * 2013-03-15 2015-11-18 巴斯夫欧洲公司 Automated pesticide mixing and dispensing system and method of use
CN104026108A (en) * 2014-05-12 2014-09-10 长兴兴源葡萄科技有限公司 Stirring assembly of high-pressure electric sprayer
CN104170811A (en) * 2014-08-26 2014-12-03 江苏大学 Intelligent low-cost online pesticide mixing device
CN104170811B (en) * 2014-08-26 2016-05-25 江苏大学 The online medicament-mixing device of a kind of intelligent low cost
CN104273111A (en) * 2014-09-10 2015-01-14 湖州中安农业智能科技有限公司 Pesticide adder of automatic pesticide sprayer for vineyard
CN104430270A (en) * 2014-10-24 2015-03-25 华南农业大学 Sprayer with automatic pesticide mixing function
CN104521928A (en) * 2014-12-10 2015-04-22 绵阳青山森腾信息科技有限公司 Remote control pesticide spraying device in case of pest diseases
CN106472465A (en) * 2015-08-26 2017-03-08 重庆市瑰邦农业开发有限公司 A kind of rail mounted auto spraying equipment for booth pesticide spraying
CN105532617A (en) * 2016-01-11 2016-05-04 华南农业大学 On-line real-time pesticide mixing and spraying system and control method thereof
CN106106416A (en) * 2016-08-23 2016-11-16 苏永华 A kind of intelligent walking pesticide spraying system and gather data, make up a prescription and spray method
CN106614473A (en) * 2016-11-21 2017-05-10 华南农业大学 Direct injection type real-time concentration variation on-line pesticidesmixing spraying device and control method thereof
CN106614473B (en) * 2016-11-21 2019-08-13 华南农业大学 A kind of real-time Variable Composition of direct injection mixes medicine spraying device and its control method online
CN107197852A (en) * 2017-07-21 2017-09-26 程明琴 A kind of agricultural pesticide-spraying cart
CN108935412A (en) * 2018-08-17 2018-12-07 华南农业大学 It is integrated in the air-assisted sprayer unit and spray method of the electronic double track transport machine in fruit tea garden
CN108935412B (en) * 2018-08-17 2023-06-20 华南农业大学 Air-assisted spraying device and spraying method integrated in electric double-rail conveyor of fruit tea garden
CN109701406A (en) * 2019-02-26 2019-05-03 安徽千一智能设备股份有限公司 A kind of liquid proportioner
CN111528204A (en) * 2020-02-25 2020-08-14 谱曲辰农业科技股份有限公司 Mixing device structure

Similar Documents

Publication Publication Date Title
CN201238547Y (en) Automatic agricultural chemicals mixer with variable atomization
CN101278666A (en) Automatic agricultural chemicals mixer with variable atomization
CN100521908C (en) Mobile fertilizing and chemical spraying integrated device
CN107136042A (en) Fully automatic liquid medicament is blent and perfusion equipment
CN106508508A (en) Greenhouse-planting water-and-fertilizer-integration cluster irrigation system and method
US20020030119A1 (en) Sprayer device, in particular for agricultural use
CN101378839A (en) Variable water flow and dilution chemical dispenser
CN205648413U (en) But fertilizer injection unit that EC, pH real -time supervision adjusted
CN210726004U (en) Water, fertilizer and pesticide mixing and drip irrigation integrated supercharging device
CN104430270A (en) Sprayer with automatic pesticide mixing function
EP2916645B1 (en) Fluid injection system
CN202224282U (en) Pesticide liquid mixing system
CN109964614A (en) A kind of water-fertilizer integral system
CN205922636U (en) Highland crack self -propelled boom sprayer return water pipe -line system
CN209643352U (en) A kind of water and fertilizer irrigation system with self-checking function
CN209379885U (en) A kind of die casting machine mould release agent matching system
CN214206411U (en) Integrative intelligent irrigation equipment of liquid manure
CN206686599U (en) A kind of drip irrigation automatic fertilizer applicator
CN215963305U (en) Aftertreatment device of oxazole medical intermediate compound
CN220756283U (en) Pesticide drip irrigation emitter
CN218499585U (en) Multi-path automatic control water and fertilizer integrated machine
CN219849059U (en) Mixing arrangement and spout drip irrigation system suitable for water-soluble fertilizer
CN212464030U (en) Water and fertilizer irrigation system capable of realizing accurate control
CN218851717U (en) Air stirring formula liquid medicine applying device
CN216982574U (en) A liquid manure irrigation equipment for studying different emitter performances

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090520

Termination date: 20140506