A kind of biopesticide flusher
Technical field
The present invention relates to the spray application that a kind of applying biological agricultural chemicals carries out the agricultural extermination of disease and insect pest, relate in particular to a kind of biopesticide flusher that adopts water smoke and the rearmounted bulk method of biopesticide, guarantee the activity of biological agent, improve dispenser efficient.
Background technology
Prevention and elimination of disease and pests both at home and abroad now is still based on chemical control.Though chemical pesticide is highly significant on drug effect, yet not to be sneezed at is also answered in its side effect.According to the literature, the agricultural chemicals availability is generally 10%, and about 90% remains in the environment, causes the pollution to environment.A large amount of agricultural chemicals that scatter and disappear evaporate in the air, flow in the water body, and sedimentation accumulates in the soil, severe contamination farming animals fishing fruit product, and transfer to human body by the enrichment of food chain, human body is produced harm.
Biopesticide comprises biogenic natural active matter, biological living and by the chemical constitution of natural materials or similar derived structure and artificial synthetic agricultural chemicals.The process of growth, growth and the breeding of various pests (comprising plant, animal, microorganism) can be controlled and regulate to biopesticide, has very strong selectivity, and nontoxic to people, animal.Therefore, adopting the biopesticide prevention and elimination of disease and pests is one of important means of a kind of plant protection.
At present, the biopesticide flusher mainly is to adopt the centrifugal atomizing mode, namely earlier biopesticide is mixed according to certain ratio with clear water, sprays away after with the atomization of liquid that mixes by the centrifugal atomizing rotating cage again.This sprinkling equipment will strictly be controlled the rotating speed of rotating cage and the order number of eyelet, otherwise is difficult to guarantee the activity of biopesticide, also just can not bring into play biological effect well.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of biopesticide flusher that adopts water smoke and the rearmounted bulk method of biopesticide, guarantee the activity of biopesticide, reduce the drift losses amount of biopesticide.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of biopesticide flusher comprises that the clear water atomizer that has atomizer and the biological medicinal powder that has medicine outlet blow out device, and described atomizer and medicine outlet place in the liquid medicine mixed zone.
The structure of having sprayed again after above-mentioned biopesticide flusher has avoided traditional elder generation to mix in utensil, but adopted elder generation with the clear water atomizing, the biological medicinal powder that flies away out by the water combination of atomizing in the liquid medicine mixed zone is sprinkled upon on the crop at last; Clear water and biological medicinal powder separate storage like this can effectively guarantee activity and the availability of biological medicinal powder; Only need atomize to clear water simultaneously, can not produce the problem of stopping up and corroding shower nozzle, mist droplet particle size is even; And can change corresponding shower nozzle at different controlling objects, can satisfy job requirements.
The structure that concrete biological medicinal powder blows out device can design by following scheme, and it comprises medicine-chest, the straight tube of ccontaining biological medicinal powder, and air inlet is arranged on an end of straight tube, and medicine outlet is arranged on the other end of straight tube; The sidewall of straight tube is provided with the straight tube feeding opening, and medicine-chest is provided with medicine-chest air inlet and medicine-chest medicine outlet; Described medicine-chest medicine outlet and straight tube feeding opening are connected.
The principle that above-mentioned biological medicinal powder blows out the device use is as follows: the air inlet air intake guarantees to have the wind that is blowed to medicine outlet by air inlet in the straight tube; While medicine-chest air inlet air intake, existing in the assurance medicine-chest is free air-flow moving, and the interior biological medicinal powder of medicine-chest can be blown out from the medicine-chest medicine outlet owing to air flows; The biological medicinal powder of blowing out from the medicine-chest medicine outlet can be subjected to the air effect in the straight tube, sprays from medicine outlet.In order to make the mixed particle of biopesticide and water have certain range, the air velocity at medicine outlet place should be by little and big.
Described clear water can be stored in the water tank, and the volume that can design water tank is 20L, and the volume of medicine-chest is 5L, to satisfy the mixed proportion of biological medicinal powder and water common 0.3%.
General pesticide spraying all adopts piggy-back structure, the device of this case design also can be set to piggy-back structure, be used for bearing the weight of petrol engine, centrifugal blower and water-filling rear water box, with the clear water atomizer by delivery hose be fixed on the water tank of bearing on the frame and link to each other, biological medicinal powder blow out device by guide duct be fixed on the centrifugal blower outlet of bearing on the frame and link to each other, just can form one.Associated components such as operating mechanism can adopt existing various structure, avoid the staff to the adaptation of new equipment; Take into full account ergonomics, handle design is controlled comfortableness with staff and is matched at air inlet 100mm place up.
As the structure of a simplification, the power source that described clear water atomizer and biological medicinal powder blow out device is same centrifugal blower, and such as the swept-back centrifugal blower, it can produce enough air quantity, guarantees that biological medicinal powder is by quantitative conveying; Described centrifugal blower can drive by a put-put, need consider factors such as its weight/power ratio, power per liter, speed, run stability, reliability when specifically selecting, and is the two-stroke single cylinder gasoline engine of 3.0kw such as selecting power for use; The exhaust pipe of engine will arrange protective cover, and sparking mode is preferably contactless spark ignition, and recoil starts.
Range for after making biological medicinal powder spray from medicine outlet can have 5 °~15 ° cone angle, the cone angle that decision design is 10 ° to the design of medicine mouth.
In order to simplify the structure of whole device, described medicine-chest comprises medicine-chest body and medicine-chest lid, and described medicine-chest body and straight tube, air inlet and medicine outlet are one-body molded, are communicated with by the interior conduit in the straight tube wall body between medicine-chest air inlet and the air inlet; After the integrated design, the wind that enters from air inlet just divides for two parts like this, and a part is still passed through in straight tube, and another part enters medicine-chest by interior conduit, biological medicinal powder is evenly entered from the medicine-chest medicine outlet blow out.In order to reduce the weight of whole device, this integrative-structure can adopt plastic material.
Preferably, described medicine-chest medicine outlet place is provided with the dose control valve; Can control the throughput that the size of flap unlatching is controlled biological medicinal powder by controlling the dose control valve, adapt to the requirement of different biological medicinal powder and manipulating object.
The size of the internal diameter of described straight tube directly influences the performance performance of air-intake device, is preferably designed for 70mm~90mm, and generally we adopt the 80mm internal diameter.
Preferably, the spacing of described straight tube feeding opening and air inlet is 1/3 of length of straight pipe.
In order to guarantee the efficient of whole device, to guarantee to connect reliably in each junction, be unlikely to seep water or leak out.
For the atomizer that prevents the clear water atomizer stops up, at water inlet and the delivery port place of water tank upper filter screen is set.
Beneficial effect: a kind of biopesticide flusher provided by the invention, adopt the rearmounted mixing principle of water smoke and biopesticide, with respect to traditional biopesticide flusher, increase biological medicinal powder and blown out device, with clear water and biological medicinal powder separate storage, can effectively guarantee activity and the availability of biological medicinal powder; Only need atomize to clear water simultaneously, can not produce the problem of stopping up and corroding shower nozzle, mist droplet particle size is even; And can change corresponding shower nozzle at different controlling objects, can satisfy job requirements.
Description of drawings
Fig. 1 is the structural representation of facing of the present invention;
Fig. 2 is side-looking structural representation of the present invention;
Fig. 3 is the part-structure schematic diagram of biopesticide flusher of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further explanation.
As Fig. 1, Fig. 2, Figure 3 shows that a kind of biopesticide flusher, comprise that the clear water atomizer that has atomizer 13, the biological medicinal powder that has medicine outlet 16 blow out device, bear frame 11, operating mechanism; Described atomizer 13 and medicine outlet 16 place in the liquid medicine mixed zone.
Described biological medicinal powder blows out medicine-chest 10, straight tube 7, the dose control valve 9 that device comprises ccontaining biological medicinal powder, described medicine-chest 10 comprises medicine-chest body and medicine-chest lid, described medicine-chest body and straight tube 7, air inlet and medicine outlet 16 integrated injection moldings, the medicine-chest body is connected by medicine-chest medicine outlet 8 and straight tube 7, is communicated with by the interior conduit 15 in the straight tube wall body between medicine-chest air inlet and the air inlet; Dose control valve 9 is arranged on medicine-chest medicine outlet 8 places.The width of interior conduit 15 is 10mm, can send into medicine-chest 10 by interior conduit 15 from the sub-fraction air-flow that centrifugal blower 3 produces, and forces the biological medicinal powder in the medicine-chest 10 evenly to blow out from medicine-chest medicine outlet 8; Control the throughput of biological medicinal powder by the size that control dose control valve 9 can be controlled the flap unlatching, thereby control dosage.Medicine-chest 10 is arranged on apart from straight tube 7 air intake oral-laterals 1/3 position.
The major impetus source centrifugal blower 3 of this device drives by engine 1; Described engine 1 adopts the two-stroke single cylinder gasoline engine, and bears frame 11 and is connected by bolt.
Centrifugal blower 3 is connected with straight tube 7 by guide duct 4, and the air-flow that centrifugal blower 3 produces is sent into straight tube 7 by guide duct 4, the biological medicinal powder of 10 li in medicine-chest is blown to straight tube 7 from medicine outlet 16 spray, and the water smoke that sprays with atomizer 13 mixes; Centrifugal blower 3 adopts shaft clip to be connected with guide duct 4 and guide duct 4 with air inlet, and for not losing blast, can not leak out in the junction.
Straight tube 7 total lengths are 600mm, highly are 100mm, and two ends are arcuate structure, air inlet and medicine outlet 16 conveniently are set, and it is the convenient fixedly water-supply-pipe 6 of part vertically, and atomizer 13 is arranged on the end of water-supply-pipe 6, as shown in the figure, medicine outlet 16 and atomizer 13 are towards similar, and the position approaches.
The clear water atomizer comprises water-supply-pipe 6 and atomizer 13, a part of air-flow that centrifugal blower 3 produces is sent into water tank 12, hydraulic pressure is gone into water-supply-pipe 6, and then send into atomizer 13, atomizer 13 atomizes water into water smoke under the effect of fluid power atomizing mixes with biopesticide.It is 8mm that water-supply-pipe 6 adopts diameter, and length is the hollow stainless steel tube of 420mm, adopts with atomizer 13 to be threaded, and the other end of water-supply-pipe 6 links to each other with water tank 12 outlets by delivery hose, and the junction wants closely not allow leakage.Atomisation pressure is 0.1~0.3MPa, and flow is 0.4~0.9L/min.
Bear frame 11 in this case and be Welding Structure, can bear the weight from engine 1, water tank 12, centrifugal blower 3; Water tank 12 is working of plastics, and all there is screen pack at its water inlet and delivery port place, prevents that atomizer 13 from stopping up, water tank 12 with bear frame 11 and adopt bolts to be connected and fixed.
During work, start petrol engine 1, with the biopesticide spraying machine bear on one's body, hand-held handle 5 because centrifugal blower 3 impellers are connected with petrol engine 1 output shaft, petrol engine 1 drive draught fan impeller rotates.Produce high velocity air, and form certain pressure in centrifugal blower 3 exits.Wherein most of high velocity air flows into straight tube 7 through centrifugal blower 3 outlets through guide duct 4.And a small amount of air-flow, returns in the water tank 12 again through the filter screen gas outlet through deep bead, air induction hose, makes and forms certain pressure in the water tank 12.Water through water-supply-pipe 6, arrives atomizer 13 under the effect of blast.The air-flow that enters spray boom 14 is split into two parts in the shunt position, and a part arrives medicine outlet 16 places still along straight tube 7.Another part air-flow enters medicine-chest 10, at the medicine-chest 10 inner certain pressures that form.Biological medicinal powder enters spray boom straight tube 7 inside through loading hose, medicine-chest medicine outlet under the effect of blast, spray under the drive of straight tube 7 internal gas flows, and become superfine droplet by the water slug disperse at medicine outlet 16 places, is applied on the crop.
The above only is preferred embodiment of the present invention; be noted that for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.