KR100651083B1 - Nozzle for medicinal fluid sprinkling - Google Patents

Nozzle for medicinal fluid sprinkling Download PDF

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Publication number
KR100651083B1
KR100651083B1 KR1020050122669A KR20050122669A KR100651083B1 KR 100651083 B1 KR100651083 B1 KR 100651083B1 KR 1020050122669 A KR1020050122669 A KR 1020050122669A KR 20050122669 A KR20050122669 A KR 20050122669A KR 100651083 B1 KR100651083 B1 KR 100651083B1
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South Korea
Prior art keywords
vortex forming
air
nozzle
chemical
chemical liquid
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KR1020050122669A
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Korean (ko)
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홍기술
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홍기술
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/0003—Atomisers or mist blowers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M7/00—Special adaptations or arrangements of liquid-spraying apparatus for purposes covered by this subclass
    • A01M7/005—Special arrangements or adaptations of the spraying or distributing parts, e.g. adaptations or mounting of the spray booms, mounting of the nozzles, protection shields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0433—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with one inner conduit of gas surrounded by an external conduit of liquid upstream the mixing chamber

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)
  • Nozzles (AREA)

Abstract

A liquid chemical spraying nozzle is provided to scatter the liquid chemical in the fine and uniform particle state by pumping and spraying the air and the liquid chemical at the same time, and to achieve the one-time spraying of the liquid chemical over a wide area up to a far distance. The liquid chemical spraying nozzle(100) comprises: a body(110), which has an air ventilation hole(114) through which an air with a high pressure is passed, and of which one end has a thread(112), and of which the other end has a connection(111) to be mounted to a communicable disease control system; a vortex generator(120), built in one end of the body(110); and a cap(130), fixing the vortex generator(120) to the body(110), and having a punched air spraying hole(131), wherein the vortex generator(120) is seated in a hanging projection(113), which is arranged at the inside of one end of the body(110), in the state that the vortex generator(120) is built in the latter(110).

Description

약액분사용 노즐{Nozzle for medicinal fluid sprinkling} Nozzle for medicinal fluid sprinkling

도 1 - 본 발명의 분리사시도.1-an exploded perspective view of the present invention.

도 2 - 본 발명의 결합된 상태를 도시한 사시도.2-a perspective view of the combined state of the invention;

도 3 - 도 2의 A-A선 단면도.3-2 is a cross-sectional view taken along the line A-A.

도 4 - 본 발명에 있어서 와류형성구의 정면도. 4-Front view of the vortex forming apparatus in the present invention.

도 5 - 본 발명의 사용상태 참고도. 5-reference state of use of the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

100: 본 발명 약액분사용 노즐(이하 '노즐'이라 한다)100: present invention chemical injection nozzle (hereinafter referred to as 'nozzle')

110: 몸체 111: 결합부110: body 111: coupling portion

112: 나선부 113: 걸림턱112: spiral 113: locking jaw

114: 통기공114: ventilator

120: 와류형성구 121: 약액공급관120: vortex forming sphere 121: chemical liquid supply pipe

121a: 튜브 연결부 121b: 약액분사구121a: tube connection part 121b: chemical injection hole

122: 지지부 123: 원뿔체122: support 123: conical body

124: 와류형성 날개 124a: 칼날부124: vortex forming wing 124a: blade portion

130: 캡(cap) 131: 공기분사공130: cap 131: air sprayer

A: 약액공급용 튜브 B: 방역장치 A: Chemical supply tube B: Protective device

본 발명은 약액분사용 노즐에 관한 것으로, 보다 상세하게는 방역장치에 사용하기 위한 약액분사용 노즐에 관한 것이다.The present invention relates to a chemical liquid injection nozzle, and more particularly, to a chemical liquid injection nozzle for use in a pest control device.

일반적으로 약액분사용 노즐은 강력한 펌핑압력을 통해 고압으로 액체만을 분사하는 구조를 갖는 것이어서 이는 약액이 일방향으로만 집중되는 단점을 갖는 것으로, 미세하고 균일한 입자로 분사하기 곤란하고, 넓은 면적과 동시에 멀리까지 분사되도록 하기에는 구조적으로 곤란한 것이었다.In general, the chemical injection nozzle has a structure in which only the liquid is injected at a high pressure through a strong pumping pressure, which has a disadvantage that the chemical is concentrated in only one direction, and it is difficult to spray fine and uniform particles, It was structurally difficult to disperse far.

특히 방역장치는 전염병 예방을 위한 도심 소독약 살포, 가로수 농약 살포, 쓰레기 매립장 소독, 구제역 및 조류 바이러스의 예방을 위한 축사의 방역 등 다양한 용도로 사용되고 있는데, 지금까지 사용되던 방역장치는 대개가 연막(煙幕)식 방역장치가 대부분이고, 상기한 연막식 방역장치는 살충제 용제에 석유 또는 경유로 희석한 용액이 고열(약 400~600℃)의 발화점에서 4/100초의 극히 짧은 시간 동안 통과하면서 연기와 함께 뿜어져 나오면서 연기 속에 살충제 입자가 운반되도록 하여 방역되는 방식으로, 약액분사를 위한 노즐의 필요성이 그다지 중요하지 않았었다.In particular, the device is used for various purposes such as spraying disinfectants in urban areas to prevent infectious diseases, spraying of street trees and pesticides, disinfecting landfills, and controlling pests for foot-and-mouth disease and algae virus prevention. The type of smokeproof device is the smokeproof device, which is diluted with petroleum or light oil in the pesticide solvent and passes with a very short time of 4/100 seconds at the ignition point of high heat (about 400 ~ 600 ℃) with smoke. The necessity of nozzles for chemical liquid spraying was not very important in such a way that the insecticide particles were sprayed and transported in the smoke to prevent them from being sprayed.

그러나 상기한 연막식 방역장치는 약제를 석유 또는 경유에 희석시켜 연기와 함께 분사하는 방식이어서 그을음이 발생하고 심한 연기에 의해 대기를 오염시킬 뿐만 아니라 분사되는 약제는 고열에 의해 가열된 상태이므로 살충 및 살균성분이 파괴될 가능성이 높은 단점을 갖는 것이어서 최근에는 상기와 같은 연막식 방역장치는 사용하지 않는 추세이다.However, the smoke screening device is a method of diluting the drug in petroleum or diesel and spraying it with smoke, sooting occurs and not only pollutes the air by heavy smoke, but the sprayed drug is heated by high heat, so Since the sterilization component has a high possibility of being destroyed, the smoke prevention apparatus as described above is not used in recent years.

하지만 구제역 및 조류바이러스의 발생 등으로 인해 방역의 중요성은 그 어느 때보다 강조되는 시점이어서 상기와 같은 연막식 방역장치를 대체할 수 있으면서도 미세하고 균일한 입자를 넓고 멀리까지 분사할 수 있는 노즐을 개발이 어느 때보다도 필요하다 할 것이다.However, due to the outbreak of foot-and-mouth disease and algae virus, the importance of prevention is more important than ever, so we have developed a nozzle that can disperse smoke screening devices as above and spray fine and uniform particles far and wide. This is more necessary than ever.

따라서 본 발명은 공기와 약액을 동시에 펌핑하여 고압으로 함께 분사할 수 있도록 하되 상기 약액이 미세하고 균일한 입자상태로 살포되도록 하고, 또한 약액을 멀리까지, 한번에 넓은 면적에 분사할 수 있도록 하기 위한 약액분사용 노즐을 제공하기 위한 것이다. Therefore, the present invention is to pump the air and the chemical solution at the same time to be sprayed together at a high pressure, but the chemical liquid is to be sprayed in a fine and uniform particle state, and also the chemical liquid to be able to spray a large area at a time, far away It is to provide a nozzle for injection.

본 발명을 첨부한 도면에 의해 상세히 설명하면 다음과 같다. The present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 구성을 보이기 위한 분리사시도로써, 본 발명 약액분사용 노즐(100)의 구성은 크게 고압의 공기가 통과하기 위한 통기공(114)이 형성된 몸체 (110)와, 상기 몸체의 일단에 내장되는 와류형성구(120)와, 상기 와류형성구(120)를 몸체(110)에 고정시키고 공기분사공(131)이 천공된 캡(130)으로 이루어진다.Figure 1 is an exploded perspective view for showing the configuration of the present invention, the configuration of the chemical liquid injection nozzle 100 of the present invention is a body 110 formed with a vent hole 114 for passage of the high pressure air, and the body of the The vortex forming tool 120 is embedded in one end, and the vortex forming tool 120 is fixed to the body 110 and the air injection hole 131 is made of a perforated cap 130.

상기 몸체(110)의 일단에는 나선부(112)가 형성되어 역시 내주면에 나선부를 구비하는 캡(130)이 나사결합되도록 구성되며, 타단에는 방역장치(B)에 장착하기 위한 결합부(111)가 형성되도록 구성할 수도 있다. 또한 상기 몸체(110)의 일단 안쪽에는 걸림턱(113)을 형성하여 와류형성구(120)가 내장되어 안착되도록 하고, 안쪽으로 더이상 밀려들어가는 것을 방지하도록 한다.One end of the body 110 is formed with a spiral portion 112 is formed so that the cap 130 having a spiral portion on the inner circumferential surface is screwed, the other end coupling portion 111 for mounting on the anti-rust device (B) May be configured to be formed. In addition, one end of the body 110 to form a locking step 113 to form a vortex forming hole 120 is built-in, to prevent further push inward.

상기 와류형성구(120)는 일단에 튜브 연결부(121a)와 타단에 약액분사구(121b)를 구비하는 약액공급관(121)이 중간에 형성되고, 상기 약액공급관(121)의 외측에 순차적으로 지지부(122)와 원뿔체(123), 와류형성 날개(124)가 형성되어진다.The vortex forming tool 120 has a chemical liquid supply pipe 121 having a tube connection portion 121a at one end and a chemical liquid injection hole 121b at the other end thereof, and is sequentially supported on the outer side of the chemical liquid supply pipe 121. 122, the conical body 123, the vortex forming wing 124 is formed.

상기 지지부(122)는 몸체(110)의 내주면에 밀착되어 와류형성구(120)를 지지하기 위한 구성으로, 원통형상을 가지며, 두서너 개의 지지대(125)에 의해 공기가 통할 수 있도록 지지되는 구조를 갖는다.The support part 122 is configured to support the vortex forming tool 120 in close contact with the inner circumferential surface of the body 110, and has a cylindrical shape, and has a structure supported by two or four support members 125 to allow air to pass therethrough. Have

상기 지지부(122)의 일측에는 원뿔체(123)가 형성되어지는데, 상기 지지부(122)와 가까운 쪽, 즉 공기의 진입방향으로는 직경이 작고 멀어질 수록 직경을 크게 형성하여 공기의 속도와 압력을 보다 강화시키는 구조이다. 이때 원뿔체(123)의 직경은 지지부(122)의 직경보다는 작아야 한다.Conical body 123 is formed at one side of the support part 122. The diameter is smaller in the direction closer to the support part 122, that is, in the direction of the air, and the larger the diameter is, the larger the speed and pressure of the air are. It is a structure to strengthen more. At this time, the diameter of the cone 123 should be smaller than the diameter of the support 122.

상기 원뿔체(123)의 일측은 편평한 면으로 형성되어지며, 상기 편평한 면 중앙에는 약액분사구(121b)가 돌출된 구조이고, 상기 약액분사구(121b)의 둘레로는 6 개의 와류형성 날개(124)가 각각 60°의 경사각으로 조금씩 엇갈리도록 배치된 구조를 갖는다. 이때 상기 와류형성 날개(124)들은 원뿔체(123)의 외곽으로 돌출되도록 형성되어진다.One side of the conical body 123 is formed in a flat surface, the chemical liquid injection sphere 121b is protruded in the center of the flat surface, six vortex forming wings 124 around the chemical liquid injection port 121b Have a structure arranged so as to slightly cross each other at an inclination angle of 60 °. At this time, the vortex forming wings 124 are formed to protrude to the outside of the cone body 123.

상기 약액분사구(121b)에 가까운 쪽의 와류형성 날개(124)는 끝단부가 예리한 칼날부(124a)가 형성되도록 하는바, 이는 배출되는 공기의 저항을 최소화 하기 위해 필요한 구성이다.The vortex forming wing 124 closer to the chemical liquid injection port 121b has a sharp edge portion 124a formed at an end thereof, which is necessary to minimize the resistance of the discharged air.

따라서 몸체(110)를 통해 공기압축장치(미도시)에 의해 공급되는 고압의 공기가 유입되면서 상기 와류형성 날개(124)에 부딪쳐 회전하면서 와류를 형성하게 되고, 상기 와류상태의 고압공기는 약액분사구(121b)를 통해 분사되는 약액과 함께 분사되면 이 과정에서 약액은 고압공기에 의해 분쇄하면서 미세하면서도 균일한 상태로 공기분사공(131)을 통해 살포되어진다.Therefore, while the high-pressure air supplied by the air compressor (not shown) through the body 110 is introduced into the vortex forming wing 124 while rotating to form a vortex, the high-pressure air of the vortex state is a chemical liquid injection port When sprayed together with the chemical liquid injected through 121b, the chemical liquid in this process is sprayed through the air injection hole 131 in a fine and uniform state while being crushed by the high pressure air.

상기 공기분사공(131)의 직경은 정면에서 볼 때, 와류형성 날개(124)의 각 칼날부(124a)가 보일 수 있는 정도의 크기를 갖는 것이 바람직하다. 이때 캡(130)을 조여 공기분사공(131)이 와류형성 날개(124)의 일측면에 가까워질수록 약액은 더 넓게 미세하게 퍼져서 분사되어지며, 캡(130)을 풀어 공기분사공(131)이 와류형성 날개(124)의 일측면으로 부터 멀어질 수록 약액은 더 멀리까지 직사(直射)되어진다.When the diameter of the air injection hole 131 is viewed from the front, it is preferable to have a size such that each blade portion 124a of the vortex forming wing 124 can be seen. At this time, as the air injection hole 131 is tightened to the side of the vortex forming wing 124 by tightening the cap 130, the chemical liquid is more widely spread and sprayed, and the air injection hole 131 is released by releasing the cap 130. The further away from one side of the vortex forming wing 124, the more direct the chemical liquid.

이상과 같이 본 발명을 바람직한 실시예를 들어 상세히 설명하였으나, 본 발명은 이에 한정되는 것이 아니며 본 발명의 기술적 사상의 범위 내에서 당업자에 의해 그 개량이나 변형이 다양하게 이루어질 수도 있음은 당연하다 할 것이다.Although the present invention has been described in detail with reference to preferred embodiments, the present invention is not limited thereto, and it will be obvious that various improvements and modifications may be made by those skilled in the art within the scope of the technical idea of the present invention. .

이처럼 본 발명은 공기와 약액을 동시에 펌핑하여 고압으로 함께 분사할 수 있도록 하되 상기 약액이 미세하고 균일한 입자상태로 살포되도록 하고, 또한 약액을 멀리까지, 한번에 넓은 면적에 분사할 수 있도록 함으로써 농약살포 등 다양한 방제용 목적뿐만 아니라 종래의 연막식 방역장치를 대체하여 사용할 수 있는 등의 효과를 갖는 것이다.As described above, the present invention allows the air and the chemical to be simultaneously pumped and sprayed together at a high pressure, but the chemical is sprayed in a fine and uniform particle state, and the chemical can be sprayed far and wide at a time to spray the pesticide. In addition to the various control purposes, such as having the effect that can be used to replace the conventional smoke screening device.

또한 본 발명은 구조가 간단하고 분해조립이 용이하여 유지보수가 매우 간편한 노즐을 제공할 수 있는 효과를 갖는 매우 유용한 발명인 것이다.In addition, the present invention is a very useful invention having the effect of providing a nozzle having a very simple structure and easy disassembly and maintenance is very easy.

Claims (3)

고압의 공기가 통과하기 위한 통기공이 형성된 몸체와, 상기 몸체의 일단에 내장되는 와류형성구와, 상기 와류형성구를 몸체에 고정시키기 위한 캡으로 이루어지는 약액분사용 노즐에 있어서, In the chemical liquid injection nozzle consisting of a body formed with a ventilation hole for the passage of high pressure air, a vortex forming tool is built into one end of the body, and a cap for fixing the vortex forming tool to the body, 상기 몸체의 일단 안쪽에는 걸림턱이 형성되도록 하고, 상기 걸림턱에는 와류형성구가 안착되도록 하되, 상기 와류형성구는 일단에 튜브 연결부를 타단에는 약액분사구를 구비하는 약액공급관과, 상기 약액공급관의 외측에 형성되어 와류형성구를 지지하기 위한 지지부와, 상기 지지부와 가까운 쪽의 직경은 작고 멀어질 수록 직경이 크게 형성되는 원뿔체와, 상기 원뿔체의 일측면에 형성된 와류형성 날 개로 구성되어짐을 특징으로 하는 약액분사용 노즐.A locking jaw is formed at one end of the body, and a vortex forming tool is seated at the locking jaw, and the vortex forming tool has a chemical liquid supply pipe having a chemical injection hole at the other end of the tube connection part, and an outer side of the chemical liquid supply pipe. It is formed in the support portion for supporting the vortex forming tool, the diameter of the side closer to the support portion is smaller and farther conical body is formed larger diameter, and vortex forming wing formed on one side of the cone body Chemical spray nozzles. 제 1항에 있어서 상기 와류형성 날개는 원뿔체의 일측면 중앙에 돌출형성된 약액분사구의 주변에 형성되도록 하되, 6개의 와류형성 날개가 각각 60°의 경사각으로 엇갈리게 배치되도록 구성되어짐을 특징으로 하는 약액분사용 노즐.The vortex forming wing of claim 1, wherein the vortex forming wing is formed around the chemical injection hole protruding from the center of one side of the cone body, and the six vortex forming wings are configured to be staggered at an inclination angle of 60 °, respectively. Spray nozzle. 제 1항에 있어서 상기 캡에는 공기분사공이 천공되어지되, 상기 공기분사공의 직경은 와류형성 날개의 각 칼날부가 보일 수 있는 정도의 크기로 구성되어짐을 특징으로 하는 약액분사용 노즐.The nozzle of claim 1, wherein an air spraying hole is drilled in the cap, and the diameter of the air spraying hole is configured such that each blade portion of the vortex forming wing can be seen.
KR1020050122669A 2005-12-13 2005-12-13 Nozzle for medicinal fluid sprinkling KR100651083B1 (en)

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200451785Y1 (en) * 2010-08-05 2011-01-12 송명운 Wide area nozzle
KR101056905B1 (en) 2009-11-03 2011-08-12 김태희 Liquid duster
KR101079206B1 (en) 2009-07-21 2011-11-03 홍기술 Swirl generation device for a nozzle
KR101185064B1 (en) 2011-04-21 2012-09-21 홍기술 A nozzle
KR101187634B1 (en) * 2010-06-11 2012-10-05 (주)캠스텍 Compact atomization spray apparatus
KR101322407B1 (en) 2013-07-01 2013-10-28 박미경 Fogging machine
KR20170014215A (en) * 2015-07-29 2017-02-08 노상균 Apparatus for emergency alarm using led
KR101725713B1 (en) * 2015-11-16 2017-04-11 이상희 Nasal spray device for medicinal fluid containing catechin component
KR20180060302A (en) 2016-11-28 2018-06-07 전북대학교산학협력단 the improved air induction type nozzle for preventing reverse liquid flow
KR20180060349A (en) 2016-11-29 2018-06-07 전북대학교산학협력단 the improved chemical, biological, and radiological, Decontaminating Equipment with air suction function and preventing reverse liquid flow
KR20180060301A (en) 2016-11-28 2018-06-07 전북대학교산학협력단 the improved air induction type nozzle improving air suction function
KR101890073B1 (en) * 2017-12-06 2018-08-20 김유경 A sprayer for agricultural chemicals
KR102010503B1 (en) 2018-02-06 2019-08-13 이상욱 Portable electric spray
KR102048524B1 (en) * 2019-08-22 2019-11-25 주식회사 서문기술 Apparatus and method for trenchless repairing of pipe line
KR102286416B1 (en) 2020-05-04 2021-08-04 김종태 Spray nozzle for ultra-fine particle
RU207915U1 (en) * 2021-06-07 2021-11-24 федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) FINE SPRAYING NOZZLE
KR102356311B1 (en) * 2021-10-14 2022-02-08 최국진 Sprayer nozzle device
KR20220128860A (en) * 2021-03-15 2022-09-22 주식회사 삼양인터내셔날 Apparatus for spraying liquid
KR102616416B1 (en) 2023-05-18 2023-12-20 장재욱 Distribution type electric sprayer

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101079206B1 (en) 2009-07-21 2011-11-03 홍기술 Swirl generation device for a nozzle
KR101056905B1 (en) 2009-11-03 2011-08-12 김태희 Liquid duster
KR101187634B1 (en) * 2010-06-11 2012-10-05 (주)캠스텍 Compact atomization spray apparatus
KR200451785Y1 (en) * 2010-08-05 2011-01-12 송명운 Wide area nozzle
KR101185064B1 (en) 2011-04-21 2012-09-21 홍기술 A nozzle
KR101322407B1 (en) 2013-07-01 2013-10-28 박미경 Fogging machine
KR20170014215A (en) * 2015-07-29 2017-02-08 노상균 Apparatus for emergency alarm using led
KR101718223B1 (en) 2015-07-29 2017-03-20 노상균 Apparatus for emergency alarm using led
KR101725713B1 (en) * 2015-11-16 2017-04-11 이상희 Nasal spray device for medicinal fluid containing catechin component
KR20180060301A (en) 2016-11-28 2018-06-07 전북대학교산학협력단 the improved air induction type nozzle improving air suction function
KR20180060302A (en) 2016-11-28 2018-06-07 전북대학교산학협력단 the improved air induction type nozzle for preventing reverse liquid flow
KR20180060349A (en) 2016-11-29 2018-06-07 전북대학교산학협력단 the improved chemical, biological, and radiological, Decontaminating Equipment with air suction function and preventing reverse liquid flow
KR101890073B1 (en) * 2017-12-06 2018-08-20 김유경 A sprayer for agricultural chemicals
KR102010503B1 (en) 2018-02-06 2019-08-13 이상욱 Portable electric spray
KR102048524B1 (en) * 2019-08-22 2019-11-25 주식회사 서문기술 Apparatus and method for trenchless repairing of pipe line
KR102286416B1 (en) 2020-05-04 2021-08-04 김종태 Spray nozzle for ultra-fine particle
KR20220128860A (en) * 2021-03-15 2022-09-22 주식회사 삼양인터내셔날 Apparatus for spraying liquid
KR102472674B1 (en) 2021-03-15 2022-11-30 주식회사 삼양인터내셔날 Apparatus for spraying liquid
RU207915U1 (en) * 2021-06-07 2021-11-24 федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный аграрный университет" (ФГБОУ ВО Волгоградский ГАУ) FINE SPRAYING NOZZLE
KR102356311B1 (en) * 2021-10-14 2022-02-08 최국진 Sprayer nozzle device
KR102616416B1 (en) 2023-05-18 2023-12-20 장재욱 Distribution type electric sprayer

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