KR20180105493A - Wide unfolding rangechemical spreaders of nozzle lifting - Google Patents

Abstract

The present invention relates to a nozzle lifting type medicine sprayer for wide range spread which makes a spray nozzle which simultaneously performs high pressure spray and low pressure spray be lifted and spray in all direction at the same time, and then can be used in large scale crop control on pests and a wide range of applications such as control on pest of orchard, woods and fields, street trees, or the like, control on pests of a livestock barn, or the like. A nozzle lifting type medicine sprayer for wide range spread comprises: a medicine container which accommodates liquid medicine at the inside thereof; a power generating device which is composed of a driving motor or an engine and generates power; a spraying means which is composed of a cylinder pump which is connected to the power generating device, is driven, and creates high pressure, a centrifugal pump which creates low pressure, and a bundle of nozzles; a blowing means which is composed of a blowing fan or an air pump and provides air for spray; a table which is located at a main body; a rotating plate which is coupled with the table and freely rotates to left and right; and a spray cannon which is coupled with the rotating plate such as a seesaw to rotate upwardly and downwardly. Additionally, a nozzle lifting type medicine sprayer for wide range spread is loaded on a trailer which is connected to a cargo box of a truck or a compact size transportation device such as a tractor or a cultivator, and then sprays medicine. A nozzle lifting type medicine sprayer for wide range spread is composed to make a lifting means be installed at a table to allow a table which constitutes the spray cannon to be separated from a body and be lifted, and make location of a spray cannon which sprays medicine be lifted upwardly and downwardly to spray medicine from above tress in orchard or woods and fields. Additionally, a nozzle lifting type medicine sprayer for wide range spread is composed to erect a spray cannon which sprays medicine and provides an air launcher which makes a bundle of nozzles be composed at the top end of a spray cannon in all directions.

Description

{Wide unfolding rangechemical spreaders of nozzle lifting}

The present invention can be used for a wide range of applications such as control of large crops, as well as control of orchards, forests, roadside trees, etc., by simultaneously raising and lowering the injection nozzles for simultaneously performing high- And a nozzle-liftable medicine spreader for wide spreading.

In recent years, agriculture has taken on the form of farming, and farming land is also becoming a big trend. Even if it is not a big farm, it has a large farmland in general farmland. The spraying of the chemical solution (pesticide) for the control of the large-scale agricultural land in order to control (control) the rice, paddy field, orchard, forest, A remote pesticide spreader (sprayer) was introduced.

The far-field pesticide spreader developed so far is mounted on a vehicle such as a truck and is used while moving. When a fan rotated by a power source such as a motor generates wind at the center of the spreader hood, (Chemical pesticide) injected by the spray nozzle mounted inside the hood is sprayed toward the front of the sprayer hood by the wind force generated by the fan, so that only the spray which is diffused is simply performed or the spray is made long, The present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the scope of the present invention.

The patent application No. 10-2009-0112051 (Nov. 19, 2009) allows selective application of fertilizer spraying and pesticide spraying, and at the same time, the high pressure air pressure generated in the ventilating fan during the pesticide application The present invention relates to an air spraying pesticide sprayer, which also serves as a fertilizer sprayer configured to facilitate upward spraying of pesticides by raising the pressure inside the pesticide container by directly delivering the sprayed pesticide to the back of the user, An injector for injecting air with a predetermined direction and being bent in all directions and connected to an outlet of the blowing fan; an excel control unit for controlling the engine of the blowing fan; , The fertilizer pail is separated from a known fertilizer spreader composed of a fertilizer pail coupled to the back, and the pesticide pail is mounted And a hood connected to the sprayer at the lower end of the pesticide barrel to supply the pesticide of the pesticide barrel to the sprayer, wherein the guide feathers for guiding the high pressure air are detachably installed in the blowing fan, An air spraying pesticide sprayer which serves as a fertilizer sprayer is formed so that the high-pressure air guided by the guide feathers is supplied to the inside upper end of the pesticide pail so that the air supply pipe and the guide feathers communicate with each other. By spraying large- , The worker's time to contact with pesticides is reduced, so the risk of pesticide poisoning is reduced, and the working time is shortened. In addition, it is also possible to use the fertilizer spreader in combination with the existing fertilizer spreader It significantly reduces the user's economic burden, It effectively creates the effect of spraying the pesticide irrespective of the altitude of the launching orifice by effectively using the wind pressure generated by itself without using it. Patent Application No. 10-2012-0038283 (Apr. 13, 2012) discloses a method of spraying a chemical solution (pesticide) sprayed through a spray nozzle in a blowing duct to a far distance with wind generated by a blowing fan, It is possible to expand the spreading distance by increasing the wind intensity through the wind power increasing means and to move it while dispersing the center of gravity on the road around the weak and unpacked agricultural land by installing it on a trailer connected to a small transportation equipment such as tractor or tiller The present invention relates to a long-distance pesticide sprayer, and more particularly, to a long-distance pesticide sprayer having a blowing fan that is rotated by an engine provided behind a blowing duct. A pump for pumping a chemical liquid from a chemical liquid storage tank and injecting the liquid through a spray nozzle arranged in a ring shape on a front inner diameter portion of the blowing duct; And a housing for holding the chemical solution storage tank and the pump while fixing the blowing fan to the upper part while receiving the chemical solution storage tank and the pump, the remote pesticide sprayer comprising: a base for supporting the blowing duct in a state of being horizontally rotatable on the upper surface of the housing; ; Rotation driving means provided inside the housing for rotating the base in the left / right direction; Angle adjusting means provided on the base for adjusting the angle in a vertical direction while supporting the blowing duct; The control means controls the on / off control of the blowing fan, the pumping operation of the pump, the forward / reverse rotation angle adjustment of the rotation driving means, the up / down angle of the angle adjusting means, A control unit for controlling the adjustment; And wind power increasing means provided between the blowing fan of the blast duct and the jetting nozzle to secure the straightness of the wind while expanding the distance traveled by the wind on the surface to increase wind strength. The patent application No. 10-2012-0055942 (May 25, 2012) is capable of adjusting the straightness and backwardness in the unoccupied state in a sealed space such as a vinyl house, and the range of the pesticide application and the application amount of the pesticide on the cultivated crop can be adjusted in unattended state The present invention provides an unmanned pesticide sprayer for securing the safety of a worker and spraying pesticide on cultivated crops in a closed space such as a vinyl house very easily, frame; A compressor mounted on a lower end of the chassis frame to generate an air pressure; A blowing fan mounted on the upper front of the chassis frame for spraying and spraying the pesticide; A pesticide bottle mounted on the upper rear side of the chassis frame and storing the pesticide connected to the pesticide spray nozzle body so that the pesticide can be supplied; A pesticide spray nozzle body mounted on a front side of the blowing fan and spraying pesticide from the pesticide pail at a predetermined pressure; An air valve connected to the air pressure output portion of the compressor for branching and supplying the air pressure to the pesticide spray nozzle body; A controller for controlling operations of the compressor and opening and closing operations of the pesticide spraying nozzle body; A wireless remote controller communicating wirelessly with the controller and adjusting a control operation of the controller; A driving motor gear box connected to the driving wheel shaft and operated under the control of the controller is further provided at the bottom of the chassis frame; A bottom portion of the blowing fan is fixed to the front of the upper portion of the chassis frame by a bracket and further an angular rotation motor for rotating the blowing fan in a predetermined range under the control of the controller is further installed inside the bracket; The pesticide spraying nozzle body comprises a ring type pesticide supply pipe which is fixed to the front end of the blowing fan while being connected to the pesticide through the pesticide, a plurality of spray nozzles arranged at regular intervals along the circumferential direction of the pesticide supply pipe, And a ring type air pressure supply pipe which is connected to the injection nozzles so as to be capable of supplying air pressure to the front end of the blowing fan and mounted on the front end of the blowing fan; The injection nozzle is employed as a solenoid type injection nozzle which is opened and closed under the control of the controller; An outlet of the air valve is branched to the bottom of the pesticide barrel so that the pesticide in the pesticide barrel can be easily delivered to the pesticide supply pipe of the pesticide spraying nozzle body while being pressurized with air pressure; The spray nozzle has a coating layer formed by spraying a powder of 96 to 98% of chromium oxide (Cr 2 O 3) and 2 to 4% of titanium dioxide (TiO 2) mixed around the spray nozzle; The mixing ratio of the fragrance and the functional oil is mixed with 95 to 97% by weight of the fragrance and 3 to 5% by weight of the functional oil, and the functional oil is mixed with the fragrance of the time 30 , 25% by weight of palmarosa, 25% by weight of patchel, and 20% by weight of juniper. Patent Application No. 10-2013-0098271 (Aug. 20, 2013) discloses a wheeled vehicle having a wheeled vehicle body having a drive wheel formed at a lower portion of a vehicle body and a box having an inner space formed at an upper portion thereof; A tank provided in the box for storing pesticides; An impeller provided in the box and connected to the tank to deliver the pesticide stored in the tank; A dispensing unit disposed on the end of the impeller for dispensing pesticide dispensed left and right; Left and right hydraulic units respectively connected to the distribution units and respectively installed at left and right sides of the vehicle body; And a spray device including a vertical pipe installed in each of the left and right hydraulic units, a horizontal pipe connected to an outer lower part of the vertical pipe, and a plurality of injection nozzles provided in the vertical pipe and the horizontal pipe, respectively The present invention relates to an electric pesticide spreader capable of storing a large amount of pesticide and easily moving the pesticide and appropriately spraying the pesticide. The patent application No. 10-2014-0068387 (Apr. 2014.06.05) is a system for spraying high-pressure and low-pressure spraying, which is capable of spraying a wide range of medicament sprayers, which can be used for a wide range of purposes such as controlling crops, A medicament passage for receiving a liquid medicament therein; A drive motor; A pump connected to and driven by the driving motor; An injecting means having a nozzle through which a pump-pressurized medicament is injected; And a blower means for blowing air around the injection nozzle in a spraying direction, the sprayer being mounted on a trailer connected to a small truck such as a tractor or tiller of a truck, A cylinder pump for generating a high pressure, a centrifugal pump for generating a low pressure and a blowing fan for generating a pneumatic pressure are driven by a single engine, and the cylinder pump and the medicines fed by the centrifugal pump are simultaneously supplied with the air generated in the blowing fan The spray gun is mounted on the body so as to be movable up and down and left and right so as to freely aim the spraying direction so that high pressure and low pressure can be simultaneously applied so that high pressure is sprayed at a long distance and low spray It can be sprayed in a short distance, and at the same time, The spraying direction can be operated at the same time in the state that the spray gun of the minute sandpaper is fixed at one position, so that the user does not have to bear the reflection energy due to the high-pressure discharge pressure, so that the elderly person can freely select the spraying direction And the high-pressure agent generated by the action of the piston is fed back to the medicine reservoir again to stir the medicine in the reservoir. Therefore, when the high-pressure spray is not performed, It is also a useful invention. The patent application No. 10-2014-0111282 (Apr. 26, 2014) discloses a rotary pump for spraying pesticide having a tilted portion to rotate the nozzle assembly by spray pressure repulsive force so that the rotational force can be increased by using the water pressure of the pesticide, And the pesticide is scattered through the wing portion when the pesticide is sprayed through the nozzle portion at the tip thereof from the rotation of the rotating tubular body for spraying the pesticide. Thus, the pesticide spraying range in the front, rear, left and right directions is spread more widely, Disclosed is an agricultural chemical spraying apparatus which increases the efficiency of spraying an agricultural chemical through a spraying apparatus. The apparatus includes a supply duct for guiding the flow of the pesticide supplied from the pesticide supplying unit and forming a first connecting unit formed at an end thereof; A pesticide branching part forming a second connection part rotatably connected to the first connection part and branching the pesticide guided through the supply pipe part while forming a plurality of connection holes; A rotator for guiding rotation of the pesticide branching part; A third connection part which is fitted into the coupling hole of the pesticide branching part is formed at one end and a fourth connection part is formed at the other end thereof and rotates together with the pesticide branching part through the water pressure of the pesticide branching at the pesticide branching part, A rotation tube having a bent portion at a predetermined angle so as to be increased; And a fifth connecting part connected to a fourth connecting part of the rotating tubular body, the nozzle part spraying the liquid pesticide from the rotation of the rotating tubular body; .

However, up to now, the sprayer of the present invention has a problem in that it spray the medicine to the upper side of the tree in the case of containing the medicine in the fruit tree or the forest by constructing the spray sand making up the nozzle for spraying the medicine to rotate left or right or raise it at a certain angle there was.

Accordingly, the main object of the present invention is to constitute the spray gun constituted by the nozzle for spraying the medicament for spraying the medicine in the fruit trees or the forest, Another object of the present invention is to fix the spray gun so as to stand upright and to spray the medicament at the same time on the top of the spray gun with the spraying direction and the blowing direction being four directions.

According to an aspect of the present invention, there is provided a medical device including: a medicament passage for containing a liquid medicament therein; A power generating device comprising a driving motor and an engine and generating power; A cylinder pump for generating a high pressure connected to the power generation device, a centrifugal pump for generating a low pressure, and a nozzle unit constituting a nozzle bundle; A blowing means configured by a blowing fan or an air pump and supplying blowing air; A table configured in the body; A rotating plate coupled to the table and free to pivot left and right; And a sprayer coupled to the rotary plate so as to vertically rotate, the sprayer being mounted on a trailer connected to a small transportation device such as a loading box of a truck, a tractor or a cultivator,

The table constituting the spray gun constitutes a lifting means so as to be elevated and lowered away from the body, and the position of the spray gun which is installed on the table and sprays the medicine ascends up and down to spray the medicine from above the height of the tree in the orchard or the forest ; A nozzle spreading type chemical spreader for wide spreading which is constituted so as to erect the spray gun for spraying the medicine and the air launching hole constituting a nozzle bundle at the upper end of the spray gun is formed and distributed.

In the present invention, the spray gun constituted by the nozzle for spraying the medicament is configured to be elevated by the elevating means so that the medicament is sprayed directly at a high place where the medicament is sprayed in the fruit trees or the forests so as to spray the medicament effectively to the upper part of the fruit trees. And the spray gun is erected so that the spraying direction and the air blowing direction are formed at the upper end of the spray gun so as to spray the medicament at the same time in all directions so that the spraying of the spray gun is once raised and completed, It is a novel invention having excellent spraying effect.

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
Fig. 2 is a view showing a state in which the spray gun is raised by the lifting means of the present invention; Fig.
3 is a diagram showing another example of the configuration of the elevating means which is a main part of the present invention.
4 is a diagram illustrating another example of the configuration of the elevating means which is a main part of the present invention.
Fig. 5 is a diagram showing another example of the constitution state of the dust mask which is a main part of the present invention. Fig.
Fig. 6 is a diagram illustrating an example of a configuration of a main nozzle in the present invention; Fig.
7 is a view showing the state of the medicine supply pipe according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

A medicament container 15 for containing a liquid medicament therein; A power generating device composed of a driving motor or an engine and generating power (not shown because it is a normal configuration); A cylinder pump 17 for generating a high pressure connected to the power generator, a centrifugal pump 18 for generating a low pressure, and a nozzle assembly 30 constituting the nozzle assembly 30; A blowing means (13) composed of a blowing fan or an air pump for supplying blowing air; A table (11) constituting the body (10); A rotating plate (12) coupled to the table (11) and free to pivot left and right; (20) coupled to the rotary plate (12) so as to be vertically pivotally mounted on a trailer connected to a small transportation device such as a loading box of a truck or a tractor or tiller ,

The table 11 constituting the sprayer 20 is moved up and down by a pair of lifting and lowering cylinders 55 so as to be spaced apart from the body 10 so as to form the lifting means 40, Up and down to construct a wide spreading nozzle lift sprayer to spray the medicines above the height of the trees in orchards or forests.

The elevating means 40 is constituted by a scissors type in which a plurality of link plates 41 are spread on the both sides between the body 10 and the table 11 so as to be spread and unfolded like scissors, The folding section 40 is integrally formed by connecting the folding section 42 and the hinge section 43 with one transverse bar 45 so that both ends of the folding section 42 constitute the hinge pin. A lead screw 51 driven by the power of the low speed gear motor 50 and a tightening nut 52 engaging with the lead screw 51 are integrally formed on a pair of front and rear transverse rods 45, The means 40 may be configured to ascend and descend.

At this time, the elevating means 40 generates hydraulic pressure or pneumatic pressure separately constituting the upper and lower transverse rods 45 constituting the hinge pin of the folded portion 42 to supply and control the operating pressure. And a pair of lifting and lowering cylinders 55 that operate with a pair of lifting and lowering cylinders 55 (not shown).

According to another aspect of the present invention, there is provided a dispenser for dispensing a medicament, comprising: a dispenser for dispensing a medicament, the dispenser comprising: The air firing port 22 constituting the nozzle bundle 30 at the center is constituted by dividing the air firing port 22 into at least three or more directions, The nozzle bundles 30 constituting the respective air launching openings 22 constitute a high pressure long distance nozzle 31 at the center and the intermediate distance nozzle 32 surrounds the high pressure long distance nozzle 31 And the diffusion nozzle 33 is formed in the circumferential direction on the outer side of the diffusion nozzle 33, the medicament can be sprayed more efficiently.

In addition, a basic configuration of the present invention will be described briefly as follows.

The cylindrical spray gun 20 includes a double pipe which integrally includes a high pressure pipe 37 for supplying a high pressure to the inside and a low pressure pipe 38 for supplying a low pressure to the outside, Pressure nozzles 31 are connected to the tips of the high-pressure pipes 37 and the nozzles are divided into at least three nozzles at the tips of the low-pressure pipes 38. The high- The middle nozzle 32 and the diffusion nozzle 33 having the air outlet are connected to the cylinder pump 17. The rear end of the high pressure pipe 37 is connected to the cylinder pump 17 and the rear end of the low pressure pipe 38 is connected to the centrifugal pump 18 .

A sleeve portion (not shown) which slides together to prevent twisting of the duct 14 and the sprayer 20 when the blower means 13 and the duct 14 are connected to the lower side of the sprayer 20, ).

And also constitutes a switching valve 34 for controlling the flow rate of the high-pressure chemical supplied from the cylinder pump 17 and the accelerating rate for controlling the acceleration of the power generating device (not shown).

The switching valve 34 for controlling the flow of the high-pressure medicine supplied from the cylinder pump 17 is a three-way valve in which the high-pressure medicine supplied from the cylinder pump 17 is supplied to the nozzle bundle 30 or the high-pressure remote nozzle 31 of the nozzle 30 or returned to the chemical container 15 through the return line 35 to mix the medicines.

A regulator for regulating the discharge pressure of the medicines fed by the cylinder pump 17 and a regulator for regulating the pressure of the medicament fed to the cylinder pump 17 and the high pressure remote nozzle 31 of the nozzle bundle 30 mounted on the spray gun 20. [ (Not shown) for adjusting the discharge amount.

A centrifugal pump 18 and a centrifugal pump 33 are provided between the diffusion nozzle 33 and the intermediate distance nozzle 32 having an injection port divided into at least three or more parts constituting the nozzle bundle 30 mounted on the sprayer 20, (Not shown) for regulating the discharge amount of the medicines fed from the centrifugal pump 18 and a drain line for withdrawing the medicines fed from the centrifugal pump 18 into the medicament container 15 according to a selection.

Hereinafter, an embodiment of the present invention will be described.

First, a medicine is poured into the medicine container 15 and a position to spray the medicine is selected in the orchard where the medicine is to be sprayed. Then, when the power generator (not shown) , The centrifugal pump 18 is running and ready to spray the medicament.

In this state, when the low gear motor 50 of the elevating means 40 is driven, the lead screw 51 connected to the opposite transverse bar 45 formed on the folded portion 42 is rotated to rotate the fastening nut The elevating means 40 constituted by a scissors type elevating mechanism is constructed so that the table 11 is spaced apart from the body 10 so as to be lifted up The dispenser 20 mounted on the table 11 rises and is positioned above the fruit water.

When the medicine is sprayed in this state, a large amount of air supplied from the blowing means 13 is discharged through the air launching port 22 of the sprayer 20 at a high pressure. At this time, The support bar for fixing the bar 22 to the center is twisted to one side to form the guide barrel 21 so that the air guided by the guide barrel 21 is discharged while causing a whirl.

When the high pressure air is fired through the air launching port 22 and is fired, the medicine supplied to the high pressure remote sewing line 31 of the nozzle bundle 30 by the cylinder pump 17 is fired at a high pressure at a high pressure The medicines supplied to the nozzle bundle 30 by the centrifugal pump 18 are supplied to the intermediate distance nozzle 32 and the diffusion nozzle 33 and widely sprayed with the medicament.

At this time, the elevating means 40 constituted by overlapping the plurality of link plates 41 like scissors are connected to each other by the plurality of transverse rods 45, so that the supporting force as the pedestal is stabilized by constituting the hinge pin at the end portion of these transverse rods 45 do.

The elevating means 40 constitutes a lifting cylinder 55 for connecting the upper and lower transverse rods 45 constituting the hinge pin of the folding section 42. The lifting and lowering cylinder 55 is constituted by hydraulic pressure The elevating means 40 may be operated to move up and down by the operation of a pair of elevating cylinders 55 by operating air pressure supply means (not shown) for supplying and controlling the operating pressure.

According to another aspect of the present invention, a sprayer 20 for spraying the medicament is constructed to stand upright, and a nozzle bundle 30 is provided at the center of the top of the sprayer 20 so that the spraying direction and the blowing direction are formed in four directions The air firing port 22 constituting the nozzle bundle 30 at the center is constituted by dividing the air firing port 22 into at least three or more directions, The nozzle bundles 30 constituting the respective air launching openings 22 constitute a high pressure long distance nozzle 31 at the center and the intermediate distance nozzle 32 surrounds the high pressure long distance nozzle 31 And the diffusion nozzle 33 is formed in a circumferential direction on the outer side of the spray gun 20. When the spray gun 20 is raised and lowered only once using the elevating means 40 together with the spraying of medicines, It is possible to spray the medicine efficiently.

The present invention described above can be used effectively in an orchard or a farming field, and the value of industrial use will be great.

10: body 11: table 12: spindle
13: blowing means 14: duct 15:
17: cylinder pump 18: centrifugal pump
20: Dispenser 21: Flap 22: Air blower
30: nozzle bundle 31: high pressure remote nozzle 32: intermediate distance nozzle
33: diffusion nozzle 34: switching valve 35: return line
37: high pressure pipe 38: low pressure pipe
40: elevating means 41: link plate 42:
43: hinge portion 45: transverse rod 50: low speed gear motor
51: lead screw 52: tightening nut 55: lifting cylinder

Claims (5)

A medicament container 15 for containing a liquid medicament therein; A power generating device composed of a driving motor or an engine and generating power (not shown because it is a normal configuration); A cylinder pump 17 for generating a high pressure connected to the power generator, a centrifugal pump 18 for generating a low pressure, and a nozzle assembly 30 constituting the nozzle assembly 30; A blowing means (13) composed of a blowing fan or an air pump for supplying blowing air; A table (11) constituting the body (10); A rotating plate (12) coupled to the table (11) and free to pivot left and right; (20) coupled to the rotary plate (12) so as to be vertically pivotally mounted on a trailer connected to a small transportation device such as a loading box of a truck or a tractor or tiller ,
The table 11 constituting the sprayer 20 is moved up and down by a pair of lifting and lowering cylinders 55 so as to be spaced apart from the body 10 so as to form the lifting means 40, Wherein the spraying device is configured to spray the medicament above the height of the tree in the orchard or the forest. The method according to claim 1,
The elevating means 40 is constituted by a scissors type in which a plurality of link plates 41 are spread on the both sides between the body 10 and the table 11 so as to be spread and clipped like scissors, 40 are integrally formed so that both the folded portions 42 and the hinge portions 43 are connected to each other by a single transverse bar 45 so that both ends thereof constitute hinge pins. The lead screw 51 driven by the power of the low speed gear motor 50 and the tightening nut 52 engaged with the lead screw 51 are integrally formed on the pair of front and rear transverse rods 45. By the operation of the lead screw 51, (40) is moved up and down. 3. The method of claim 2,
A pair of lifting and lowering cylinders 55 (not shown) that operate as hydraulic or pneumatic means (not shown) separately configured to connect the upper and lower transverse bars 45 constituting the hinge pin of the folded portion 42 , And the pair of lifting cylinders (55) are simultaneously operated to move up and down. The method according to claim 1,
The spray gun 20 for spraying the medicine is set uprightly and the nozzle bundles 30 are twisted at a predetermined angle at the center so that the spraying direction and the air blowing direction are formed in four directions at the upper end of the spray gun 20, (22) which is configured to support a plurality of nozzles (22, 24). 5. The method of claim 4,
The air ejection openings 22 constituting the nozzle bundle 30 at the center are divided into at least three directions and the nozzle bundles 30 constituting the respective air ejection openings 22 are arranged in the center at a high- And the intermediate distance nozzle 32 is formed in a circular shape so as to surround the high-pressure remote nozzle 31 and the diffusion nozzle 33 is formed on the outer side thereof in the circumferential direction. Nozzle lift sprayer for wide spreading.

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