CN102885024A - Thermal atomization and application method and pulse type fuming and atomizing device for water agent type pesticide - Google Patents
Thermal atomization and application method and pulse type fuming and atomizing device for water agent type pesticide Download PDFInfo
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- CN102885024A CN102885024A CN2012104085029A CN201210408502A CN102885024A CN 102885024 A CN102885024 A CN 102885024A CN 2012104085029 A CN2012104085029 A CN 2012104085029A CN 201210408502 A CN201210408502 A CN 201210408502A CN 102885024 A CN102885024 A CN 102885024A
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Abstract
The invention provides a pulse type fuming and atomizing device which can spray mist to an oil preparation, also can spay water mist to a water-based preparation, namely, the pulse type fuming and atomizing device is suitable for the oil preparation and the water-based preparation. The pulse type fuming and atomizing device consists of a combustion chamber, a spray pipe communicated with the burning chamber, and a carbureter formed by an air inlet chamber and a choke pipe, wherein the choke pipe is communicated with the combustion chamber; a spray nozzle is arranged on the spray pipe, and the spray nozzle and a medicine chest are connected by a liquid medicine pipe; a fuel tank is connected with the choke pipe by a guide pipe; and the combustion chamber is communicated with the fuel tank by a gas guide pipe, and a check valve communicating from the combustion chamber to the fuel tank is arranged on the gas guide pipe.
Description
Technical field
Present technique relates to pulsejet type fogger, is a kind of applicator of agricultural chemicals.
Background technology
Pulsejet type fogger is the applicator of thermal fog, the plurality of advantages such as it has efficiently, energy-saving and environmental protection.Thermal fog is to be dissolved in the oil solvent agricultural chemicals in the organic solvent and to add the various auxiliary agents such as sticker, surfactant and a kind of oily preparation of making.
Pulsejet type fogger also can be regarded as pulse-jet engine, the carburetor that generally comprises combustion chamber, the jet pipe that communicates with the combustion chamber, is comprised of inlet plenum and trunnion; Trunnion communicates with the combustion chamber; Be provided with spraying nozzle at jet pipe, spraying nozzle links to each other with medicine-chest; Fuel tank is linked to each other by conduit with trunnion.During use, air enters inlet plenum (air-breathing) through the air intake valve on the inlet plenum, and then mix with fuel oil in being inhaled into trunnion through trunnion and to form combustion mixture and enter combustion chamber (air inlet), combustion mixture burns in the combustion chamber (burning), and the high temperature and high speed gas after the burning is through jet pipe ejection (exhaust).High temperature and high speed gas is after jet pipe ejection, and internal pressure of combustion chamber reduces, and again carries out above-mentioned air-breathing, air inlet, burning, exhaust process, moves in circles like this, forms the self-excitation self-priming hugging process of pulsejet type fogger.
Thermal fog in the medicine-chest enters in the jet pipe after by spraying nozzle, carried out the heating power atomizing by high temperature and high speed gas and form fine mist, enter condensation formation smog the air from nozzle exit, they are in the process of filling the air, droplet is not at leisure vertical drop, but complications make a circulation doing random motion to all directions, are deposited on target everywhere on the different azimuth at position.Such as the positive and negative of crop leaf, on the face and each position of insect bodies around the cane.This multidirectional deposition is so that the coverage rate of thermal fog is higher than the coverage rate of conventional spraying.The smog droplet that thermal fog forms is superfine, and droplet can aloft suspend for a long time.This ability of floating for a long time so that it has good transparent performance to crop canopies, can spread, permeate in the crop clump voluntarily, thereby produce good deposition effect.Strong to target adhesion strength and resistance of rainwater washing against ability.Plant and insect cuticle have one deck wax coat, and affinity is strong between thermal fog formed oiliness droplet of when atomizing and the target, and all the water-based droplet that produces of conventional spraying is strong to show adhesion strength and resistance of rainwater washing against ability, and the long lasting period is arranged.
But pulsejet type fogger generally can only be applicable to the thermal fog of oily preparation, and it is applicable to add the aqueous formulation that forms after water mixes to the water aqua type agricultural chemicals.
Summary of the invention
The purpose of this invention is to provide a kind of can either to oily preparation aerosol spraying mist, again can be to the aqueous formulation atomized water spray, that is to say the equal applicable pulsed fuming atomising device of oily preparation and aqueous formulation.
This pulsed fuming atomising device, combustion chamber, the jet pipe that communicates with the combustion chamber, the carburetor that is formed by inlet plenum and trunnion; Trunnion communicates with the combustion chamber; Be provided with spraying nozzle at jet pipe, spraying nozzle is linked to each other by drug liquid tube with medicine-chest; Fuel tank is linked to each other by conduit with trunnion; Communicate by wireway between combustion chamber and the fuel tank, be provided with by the check valve of combustion chamber to the conducting of fuel tank direction at wireway.
The applicant thinks that existing pulsejet type fogger can not be as follows to the reason possibility of aqueous formulation atomized water spray.We know that the specific heat of oily preparation approximately is about half of aqueous formulation.That is to say, aqueous formulation and the oily preparation of equivalent is heated to uniform temp, the heat that the former needs is about 2 times of the latter.When pulsejet type fogger carried out normal injection to thermal fog, the temperature at spraying nozzle place was greatly about 700 ℃, and the temperature of outside nozzle is greatly about 400 ℃, and thermal fog enters the air condensation from nozzle exit and forms smog and spread in the air like this.If use existing pulsejet type fogger that aqueous formulation is atomized, the temperature at spraying nozzle place is greatly about 300 ℃, the temperature of outside nozzle is greatly about 100 ℃, aqueous formulation is because of the shortage of heat of acquisition like this, formation is permitted great droplet and is directly dripped from nozzle exit ejection or from nozzle exit, reaches and spreads in airborne effect and can't be completed into water smoke; In addition, because pulse-jet engine is rely on the formed acoustic condition of this body structure of engine and air-fuel mixture to burn self-excitation self-priming hugging process that the common coupling of formed heating condition causes, because aqueous formulation needs to absorb more heat, destroyed original coupling condition meeting so that pulse-jet engine can't work after jet pipe adds.
The applicant starts with from above-mentioned possible reason, from increasing the power of pulsed motor, required heat when carrying out the heating power atomizing to replenish aqueous formulation, realize adopting pulse-jet engine to the purpose of aqueous formulation atomizing, and the pulse-jet engine one that can carry out heating power atomizing to aqueous formulation is namely realized dual-use surely to the fuming of oily preparation heating power.Present technique uses combustion chamber and fuel tank the wireway with check valve to link to each other, in the combustion chamber, carry out because pressure strengthens fuel tank being pressurizeed in the combustion process, so that the difference of the pressure in the fuel tank and trunnion place pressure increases, so that more fuel oil enters trunnion under pressure differential, with the increase fuel delivery, thus the power of raising engine.Present technique makes original self-priming fuel system into the supercharging fuel system, to improve engine power, so that the pulsed fuming atomising device of present technique is applicable to the spraying of oily preparation and aqueous formulation simultaneously.
Therefore, present technique is on the basis of original pulsejet type fogger, change the design feature of fog machine, use the efficient burning characteristic of pulse-jet engine, carry out the economic environmental protection characteristic of ultra-low volume medication of the extermination of disease and insect pest with heating power atomizing and fuming, develop a kind of novel pulse-jet engine, not only has the function of the oil solvent agricultural chemicals being carried out the heating power fuming, and the function that the water aqua type agricultural chemicals can also be carried out the heating power atomizing, ascension is filled the air and be suspended in for a long time the purpose of preventing and treating in the space so that smog and water smoke all reach, realize the multifunction of a machine, adapt to different times in the orchard, the dispensing requirement of different dosage form.
Above-mentioned pulsed fuming atomising device, hand air pump communicates with inlet plenum by one-way cock.Can start this pulsed fuming atomising device by hand air pump.
The present invention reaches effect at thick air, crop canopies is had the water aqua type agricultural chemicals application method of good transparent performance when a kind of can the dispensing the water aqua type agricultural chemicals also is provided simultaneously.
This water aqua type agricultural chemicals application method is that the water aqua type agricultural chemicals is added the medicine-chest that the aqueous formulation that forms after water mixes is put into above-mentioned pulsed fuming atomising device, utilizes pulsed fuming atomising device the aqueous formulation atomizing ejection that sprays into from spraying nozzle in the jet pipe.
Description of drawings
Fig. 1 is pulsed fuming atomising device schematic diagram.
Embodiment
Referring to pulsed fuming atomising device shown in Figure 1, jet pipe 1 communicates with combustion chamber 2, and carburetor 3 is comprised of inlet plenum 31 and trunnion 32.Being provided with on the locular wall of inlet plenum 31 can be to the Unidirectional air inlet valve 33 of one-way air inlet in the inlet plenum.Trunnion 32 communicates with combustion chamber 2.Be provided with spraying nozzle 4 at jet pipe 1, spraying nozzle 4 and medicine-chest 5 are linked to each other by drug liquid tube.Fuel tank 6 and trunnion 32 are linked to each other by conduit, link to each other by wireway 7 between combustion chamber and the fuel tank, are provided with by the check valve 8 of combustion chamber to the conducting of fuel tank direction at wireway.Hand air pump 9 communicates with inlet plenum 31 by one-way cock 10.
When using this pulsed fuming atomising device that the oil-soluble thermal fog is carried out the heating power fuming, enter condensation formation smog the air from nozzle exit, the smog droplet size is no more than 10 μ m, can fill the air to be suspended in the air.Aqueous formulation is carried out heating power when atomizing, enter airborne droplet size from nozzle exit and be no more than 40 μ m, reach and spread in airborne effect, and the nozzle hole place is without dropping liquid, without large droplet jet phenomenon.
Because two kinds of medicament agricultural chemicals, i.e. oil solvent agricultural chemicals and water aqua type agricultural chemicals, the otherness that absorbs heat energy when heating power fuming and atomizing is very large.Therefore by a large amount of pilot studies, on original pulsejet type fogger basis, make original self-priming fuel system into the supercharging fuel system, and increase carburetor structure (mainly being to increase inlet plenum volume and trunnion size), the more powerful pulse-jet engine of final acquisition obtains more heat more to adapt to water aqua type agricultural chemicals needs in carrying out the heating power atomization process.As long as the complete heating power of water aqua type agricultural chemicals can be atomized, just can be with the complete fuming of oil solvent agricultural chemicals, so present technique forms the pulsed smog water smoke Multi Role Aircraft that integrates aerosol spraying spray painting water smoke function.
Claims (3)
1. pulsed fuming atomising device, the carburetor that comprises combustion chamber, the jet pipe that communicates with the combustion chamber, formed by inlet plenum and trunnion; Trunnion communicates with the combustion chamber; Be provided with spraying nozzle at jet pipe, spraying nozzle is linked to each other by drug liquid tube with medicine-chest; Fuel tank is linked to each other by conduit with trunnion, it is characterized in that: communicate by wireway between combustion chamber and the fuel tank, be provided with by the check valve of combustion chamber to the conducting of fuel tank direction at wireway.
2. pulsed fuming atomising device as claimed in claim 1, it is characterized in that: hand air pump communicates with inlet plenum by one-way cock.
3. water aqua type agricultural chemicals heating power atomizing application method, it is characterized in that: the water aqua type agricultural chemicals is added the medicine-chest that the aqueous formulation that forms after water mixes is put into pulsed fuming atomising device claimed in claim 1, utilize pulsed fuming atomising device the aqueous formulation atomizing ejection that sprays into from spraying nozzle in the jet pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104085029A CN102885024A (en) | 2012-10-24 | 2012-10-24 | Thermal atomization and application method and pulse type fuming and atomizing device for water agent type pesticide |
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| CN2012104085029A CN102885024A (en) | 2012-10-24 | 2012-10-24 | Thermal atomization and application method and pulse type fuming and atomizing device for water agent type pesticide |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950008A (en) * | 2014-03-26 | 2015-09-30 | 南京林业大学 | Test method and device based on pesticide heating power fuming and atomization principle and effect research |
| CN105454214A (en) * | 2015-12-30 | 2016-04-06 | 叶伟荣 | Device for killing bee mites through smoke |
| CN106172351A (en) * | 2016-08-31 | 2016-12-07 | 金华市丰硕农业机械有限公司 | A kind of fog machine outburst pipe |
| CN108284039A (en) * | 2017-07-26 | 2018-07-17 | 安徽省九华山法器有限公司 | A kind of wax spray copper carving composite furniture |
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| US3993582A (en) * | 1974-07-26 | 1976-11-23 | Curtis Dyna Products Corporation | Pulse fog generator |
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| DE3225933C2 (en) * | 1982-07-10 | 1987-10-29 | Igeba Geraetebau Gmbh, 8961 Weitnau, De | |
| US4934601A (en) * | 1987-05-26 | 1990-06-19 | Curtis Dyna-Products Corporation | Pulse fog generator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104950008A (en) * | 2014-03-26 | 2015-09-30 | 南京林业大学 | Test method and device based on pesticide heating power fuming and atomization principle and effect research |
| CN104950008B (en) * | 2014-03-26 | 2018-01-16 | 南京林业大学 | Method of testing and device based on agricultural chemicals heating power fuming atomization mechanism and effect disquisition |
| CN105454214A (en) * | 2015-12-30 | 2016-04-06 | 叶伟荣 | Device for killing bee mites through smoke |
| CN106172351A (en) * | 2016-08-31 | 2016-12-07 | 金华市丰硕农业机械有限公司 | A kind of fog machine outburst pipe |
| CN108284039A (en) * | 2017-07-26 | 2018-07-17 | 安徽省九华山法器有限公司 | A kind of wax spray copper carving composite furniture |
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Application publication date: 20130123 |