CN103004735B - Vehicle-mounted pesticide mixing device - Google Patents
Vehicle-mounted pesticide mixing device Download PDFInfo
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- CN103004735B CN103004735B CN201210585002.2A CN201210585002A CN103004735B CN 103004735 B CN103004735 B CN 103004735B CN 201210585002 A CN201210585002 A CN 201210585002A CN 103004735 B CN103004735 B CN 103004735B
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Abstract
The invention relates to a vehicle-mounted pesticide mixing device, in particular to an online pesticide mixing device for a large and medium sprayer with a large spray volume. The device can automatically suck pesticide liquid and uniformly mix the pesticide liquid and water online. The vehicle-mounted pesticide mixing device comprises a jet nozzle 1 and a pesticide mixing device shell 3, wherein the pesticide mixing device shell comprises a suction chamber, a tube, a diffusion tube and a pesticide suction port. The requirements of spraying of pesticide liquids of different concentrations are met, the structure is simple, and the nozzle and the shell are convenient to change. According to the vehicle-mounted pesticide mixing device, pesticide and water in the large and medium sprayer are stored separately, and the operations of mixing and spraying are conducted online, so that the degree of automation is high, and environment friendliness and high efficiency are achieved.
Description
Technical field
The present invention relates to a kind of vehicular medicament-mixing device, particularly big-and-middle-sized spraying apparatus, realize automatic ration and inhale medicine on-line mixing, and medicine and water separately storage separately can be realized, belong to technical field of plant protection machinery.
Background technology
The control of damage by disease and insect occupies critical role always in agricultural production, and performance and the state of development of equipment for plant protection are directly connected to agricultural production.In equipment for plant protection, medium-and-large-sized sprayer can efficiently, the preventing and controlling of carrying out rapidly damage by disease and insect become research emphasis in recent years.Medium-and-large-sized spraying apparatus can carry a large amount of spray liquor to carry out spraying to the farmland in large face and does industry, saves manpower financial capacity, but is mostly adopt premixed admixing medical solutions, and liquid mixed process is loaded down with trivial details and easily damage operating personnel; To the liquid difficult treatment do not used, sprayer and pipeline-cleaning cumbersome.
In the prior art, applicant does not find to consider the online medicine mixer adapting to big-and-middle-sized spraying apparatus, can change mixed concentration as required.Retrieval type discovery is carried out to prior art patent, application number be 200810027898 Chinese patent " agricultural chemicals mixer with variable atomization " disclose a kind of medicament-mixing device, what this device was mainly considered controls mixed concentration, mixed prescription formula structure is simple, uniformity needs to be investigated, and liquid is damaged liquid pump by power liquid pump simultaneously; 201220031643.9 Chinese patent " spray bar type spraying machine medicine mixer " a kind of boom sprayer medicine mixer is disclosed, this device mainly considers and carries out on-line automatic mixing to liquid, do not consider the uniformity of liquid and water mixing, and the mixed concentration under different operating mode.
Summary of the invention
The object of the invention is to not enough for prior art and design a kind of vehicle-mounted medicine mixer being applicable to big-and-middle-sized spraying apparatus, liquid and water can be realized separately store and realize online evenly rapid mixing, and can control in real time mixed concentration, smart structural design, simple and practical, for big-and-middle-sized spraying apparatus.
For achieving the above object, the technical solution used in the present invention is: whole vehicle-mounted medicament-mixing device is made up of nozzle and medicine mixer housing two parts.The present invention includes nozzle and medicine mixer housing two parts composition, described medicine mixer housing is made up of water inlet, suction chamber, trunnion, anemostat, medicine absorbing tube, liquid import and mixture export; The lateral surface of described nozzle and the casing mating face of medicine mixer housing are taper surface, and the lateral surface of described nozzle is connected with the casing mating face sealed extruded of medicine mixer housing, and the axial line of described nozzle overlaps with the axial line of medicine mixer housing; Described nozzle adopts and shrinks taper shape, and the outlet front end of nozzle is straight circular tube shaped pipeline, and described upstream side of the injector outer wall is provided with step, and the circumference side of step is nozzle faying face, and nozzle faying face is conical; The water inlet inwall of described medicine mixer housing is straight cylindric, and water inlet connects suction chamber; Described suction chamber arrival end inwall is provided with step, and the inside circumference face of the step of suction chamber is connected with the nozzle faying face sealed extruded of nozzle; After the step of suction chamber, suction chamber inwall is that streamline is conical, and offers medicine absorbing tube at suction chamber; Trunnion is connected after suction chamber; Described trunnion entrance is conical for shrinking, and is straight circular tube shaped pipeline after trunnion entrance; Connect anemostat after described trunnion, anemostat is diffuser cone shape.
Said nozzle part adopts shrinks taper shape, it is 14 °-18 ° for obtaining angle of throat θ in certain muzzle velocity nozzle, jet expansion front end adopts one section of straight pipe length s to be 5mm-10mm, nozzle outlet diameter d is the outer angle of throat η of 1.5mm-3.5mm is 14 °-18 °), nozzle exit wall thickness 1mm-2mm, is determined by nozzle material.
Said nozzle arrival end adopts double step form outward, and step contact surface H fixes the location parameter of jet mouth and housing, and step contact surface K carries out sealing to be guaranteed to form effective stream.
Above-mentioned medicine mixer suction chamber inwall adopts streamline conical, its α be 8 °-12 ° to guarantee to form effective vacuum, and improve mixed drug effect rate.
Above-mentioned medicine mixer trunnion entrance adopts and shrinks taper shape, and its value β is 50 °-75 °.
Above-mentioned medicine mixer throat pipe diameter D is 2.4mm-4mm), the long L3 of trunnion is 5D-8D.
Above-mentioned medicine mixer anemostat adopts conical its angle of flare δ to be 7 °-11 °, and its length L4 is 6D-9D.
Above-mentioned medicine mixer medicine absorbing tube adopts to be threaded to be convenient to sealing and to change.
Above-mentioned vehicle-mounted medicine mixer is suitable for and big-and-middle-sized spraying apparatus, and the total spray amount of sprayer is at more than 7.2L/min-12L/min, or nozzle exit velocity reaches, and more than 25m/s-35m/s ability is normal inhales pharmaceutical worker's work automatically.
Compared with prior art, tool has the following advantages in the present invention: (1) this medicine mixer can be connected to easily in big-and-middle-sized spraying apparatus and carry out spraying and do industry, and working stability is reliable; (2) when each parameter of the unpowered parts of this medicine mixer is fixed, the constant working stability of condition of work is reliable, inhales dose and stablizes, and needs to change dose and controlled by intervening self-priming dose in work; (3) this vehicle-mounted medicine mixer change nozzle and housing parameter can realize different operating mode under mixed concentration; (4) this vehicle-mounted medicine mixer nozzle and housing installation requirement are all in each design parameter, by optimal design, install the simple quality of fit of replacing operation high; (5) this vehicle-mounted medicine mixer utilizes nozzle generation jet to realize automatically inhaling medicine by design, and carries out Homogeneous phase mixing by the high speed water produced.
The invention solves the problem that big-and-middle-sized spraying apparatus mixes medicine online, this equipment is connected on kinetic pump delivery port liquid can not cause damage to pump, and mixed medicine can not cause the premix of agricultural chemicals to waste in real time, greatly facilitates detergent line.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is nozzle arrangements schematic diagram.
In figure, 1-nozzle, 2-suction chamber, 3-medicine mixer housing, 4-trunnion, 5-anemostat, 6-medicine inhaling mouth.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
Structural representation of the present invention as shown in Figure 1, forms primarily of jet mouth 1 and medicine mixer housing 3 two parts.Wherein medicine mixer housing parts comprises suction chamber 2, trunnion 4, anemostat 5, medicine absorbing tube 6, water inlet A, liquid import B and mixture export C.
When implementing of the present invention in real work, medicine mixer water inlet connects spraying kinetic pump, and spraying water enters medicine mixer by water inlet; Current form high-velocity fluid through the effect of jet mouth, and the high-velocity flow of formation forms vacuum at suction chamber, and liquid is sucked and enters suction chamber, and liquid is entrainmented by high-velocity flow and enters trunnion; Liquid is full and uniform with water in trunnion under the effect of high-velocity flow to be mixed, and mixed liquor enters anemostat; Under anemostat effect, high-velocity flow changes low speed heavy pressure mixed liquor into, and high pressure mixing liquid enters atomizer passgae and forms spraying by spraying nozzle.
This equipment adopts hydraulics general principle, jet pump basis is carried out improve the vehicular medicine mixer that invention is designed for big-and-middle-sized spraying apparatus, and this apparatus design is ingenious, and working stability is easy to operation and can extensively promotes the use of.This vehicular medicine mixer can be directly connected in atomizer passgae and carry out real-time online and mix medicine, but spray amount be there are certain requirements, total spray amount is at more than 7.2L/min-12L/min, or nozzle forms jet when nozzle exit velocity reaches more than 25m/s-35m/s, produce effective negative pressure and carry out suction medicine and mix medicine.This device can carry out the change of spray concentration in real time by the amount of ACTIVE CONTROL liquid in spraying, also the need of work under different operating mode can be met by the parameter change between jet mouth and housing, it is high, simple to operate that this device controls the mixed large control accuracy of concentration adjustable range by both sides' formula.
Claims (10)
1. a vehicular medicament-mixing device, it is characterized in that, comprise nozzle (1) and medicine mixer housing (3) two parts composition, described medicine mixer housing (3) is made up of water inlet (A), suction chamber (2), trunnion (4), anemostat (5), medicine absorbing tube (6), liquid import (B) and mixture export (C); The lateral surface of described nozzle (1) and the casing mating face of medicine mixer housing (3) are taper surface, the lateral surface of described nozzle (1) is connected with the casing mating face sealed extruded of medicine mixer housing (3), and the axial line of described nozzle (1) overlaps with the axial line of medicine mixer housing (3); Described nozzle (1) adopts and shrinks taper shape, and the outlet front end of nozzle (1) is straight circular tube shaped pipeline, and described nozzle (1) arrival end outer wall is provided with step, and the circumference side of step is nozzle faying face, and nozzle faying face is conical; Water inlet (A) inwall of described medicine mixer housing (3) is straight cylindric, and water inlet (A) connects suction chamber (2); Described suction chamber (2) arrival end inwall is provided with step, and the inside circumference face of the step of suction chamber (2) is connected with the nozzle faying face sealed extruded of nozzle (1); After step, the inwall of suction chamber (2) is that streamline is conical, and offers medicine absorbing tube (6) at suction chamber (2); Trunnion (4) is connected after suction chamber (2); Described trunnion (4) entrance is conical for shrinking, and is straight circular tube shaped pipeline after trunnion (4) entrance; Connect anemostat (5) after described trunnion (4), anemostat (5) is diffuser cone shape.
2. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described nozzle (1) internal diameter angle of throat θ span is 14 ° ~ 18 °, and outer surface angle of throat η span is 14 ° ~ 18 °.
3. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described nozzle (1) outlet diameter d span is 1.5mm-3.5mm, and jet expansion wall thickness is 1mm-2mm.
4. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described nozzle (1) controls outlet stream speed, and the length of pipe S that outlet front end is straight is 5mm-10mm.
5. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described nozzle faying face length L1 is 6mm-8mm, and taper seat and the horizontal plane angulation σ of nozzle faying face are 1 °-2 °; Medicine mixer inner walls face K is taper seat, and the angle of the conical surface coordinates with nozzle, with external force extruding to reach sealing effectiveness.
6. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described suction chamber (2) inwall is streamline its α conical is 8 °-12 °, forms effective suction chamber with nozzle outer surface.
7. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described medicine absorbing tube (6) adopts with connecting line and is threaded.
8. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, the contraction of described trunnion (4) entrance is conical, and its angle beta is 50 °-75 °.
9. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described trunnion (4) diameter D is 2.4mm-4mm, and the circular tube shaped length of pipe L3 that described trunnion (4) is straight is 5D-8D.
10. a kind of vehicular medicament-mixing device according to claim 1, is characterized in that, described trunnion (4) diameter D is 2.4mm-4mm, and described anemostat (5) angle of flare δ is 7 °-11 °, and diffusion tube lengths L4 is 6D-9D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210585002.2A CN103004735B (en) | 2012-12-31 | 2012-12-31 | Vehicle-mounted pesticide mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210585002.2A CN103004735B (en) | 2012-12-31 | 2012-12-31 | Vehicle-mounted pesticide mixing device |
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| Publication Number | Publication Date |
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| CN103004735A CN103004735A (en) | 2013-04-03 |
| CN103004735B true CN103004735B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210585002.2A Active CN103004735B (en) | 2012-12-31 | 2012-12-31 | Vehicle-mounted pesticide mixing device |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103404500A (en) * | 2013-05-23 | 2013-11-27 | 江苏大学 | Variable amount spraying device capable of automatically mixing pesticide |
| CN104161031B (en) * | 2014-08-25 | 2016-06-08 | 江苏大学 | A kind of jet medicine mixer method for designing with high mixed medicine ratio |
| CN104756970B (en) * | 2015-02-13 | 2017-03-08 | 南京林业大学 | A kind of movable medicine mixer |
| CN105435982A (en) * | 2016-01-11 | 2016-03-30 | 重庆房地产职业学院 | Spray gun and liquid dispensing device using same |
| CN107261882A (en) * | 2017-05-10 | 2017-10-20 | 中国水利水电科学研究院 | Trunnion |
| CN109454047A (en) * | 2018-12-21 | 2019-03-12 | 核动力运行研究所 | A kind of novel steam generator secondary side tube sheet body refuse suction system |
| CN117814203A (en) * | 2024-03-05 | 2024-04-05 | 江苏宁翔通用航空有限公司 | Online accurate mixing method of forestry aviation plant protection mixture based on jet flow |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915300A (en) * | 1987-08-20 | 1990-04-10 | John Ryan | High pressure mixing and spray nozzle apparatus and method |
| DE19534107A1 (en) * | 1995-09-14 | 1997-03-20 | Wacker Siltronic Halbleitermat | Nozzle for mixing fluids |
| CN1739859A (en) * | 2004-08-27 | 2006-03-01 | 雅马虹工业株式会社 | Nozzle for spraying medical liquid, and medical liquid spraying device with liquid-spraying nozzle |
| CN201315810Y (en) * | 2008-12-11 | 2009-09-30 | 四川汪氏动物保健有限责任公司 | Medical powder sprayer for controlling bee mites |
-
2012
- 2012-12-31 CN CN201210585002.2A patent/CN103004735B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4915300A (en) * | 1987-08-20 | 1990-04-10 | John Ryan | High pressure mixing and spray nozzle apparatus and method |
| DE19534107A1 (en) * | 1995-09-14 | 1997-03-20 | Wacker Siltronic Halbleitermat | Nozzle for mixing fluids |
| CN1739859A (en) * | 2004-08-27 | 2006-03-01 | 雅马虹工业株式会社 | Nozzle for spraying medical liquid, and medical liquid spraying device with liquid-spraying nozzle |
| CN201315810Y (en) * | 2008-12-11 | 2009-09-30 | 四川汪氏动物保健有限责任公司 | Medical powder sprayer for controlling bee mites |
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| CN103004735A (en) | 2013-04-03 |
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Address after: Lishui Economic Development Zone, Nanjing City, Jiangsu province 211215 zhe Ning Road No. 368 Applicant after: Jiangsu University Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Applicant before: Jiangsu University |
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Address after: 212114 Zhenjiang, Zhejiang Province, Dantu high capital street, Xiangshan Road, No. 1 Patentee after: Jiangsu University Address before: Lishui Economic Development Zone, Nanjing City, Jiangsu province 211215 zhe Ning Road No. 368 Patentee before: Jiangsu University |