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1. WO2018124935 - DEVICE AND METHOD FOR HYDRODYNAMIC SURFACE CLEANING BASED ON MICRO-HYDROPERCUSSION EFFECT

Publication Number WO/2018/124935
Publication Date 05.07.2018
International Application No. PCT/RU2017/000846
International Filing Date 10.11.2017
IPC
B08B 3/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
08CLEANING
BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
3Cleaning by methods involving the use or presence of liquid or steam
02Cleaning by the force of jets or sprays
B05B 1/02 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
02designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops
CPC
B05B 1/02
BPERFORMING OPERATIONS; TRANSPORTING
05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
1Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
02designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, ; or having an outlet of particular shape
B08B 2203/02
BPERFORMING OPERATIONS; TRANSPORTING
08CLEANING
BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
2203Details of cleaning machines or methods involving the use or presence of liquid or steam
02Details of machines or methods for cleaning by the force of jets or sprays
B08B 3/02
BPERFORMING OPERATIONS; TRANSPORTING
08CLEANING
BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
3Cleaning by methods involving the use or presence of liquid or steam
02Cleaning by the force of jets or sprays
B08B 5/02
BPERFORMING OPERATIONS; TRANSPORTING
08CLEANING
BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
5Cleaning by methods involving the use of air flow or gas flow
02Cleaning by the force of jets, e.g. blowing-out cavities
B24C 5/04
BPERFORMING OPERATIONS; TRANSPORTING
24GRINDING; POLISHING
CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
5Devices or accessories for generating abrasive blasts
02Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
04Nozzles therefor
Applicants
  • БОЛДЫРЕВ, Михаил Николаевич BOLDYREV, Mishail Nikolaevich [RU]/[RU]
  • ПАШКОВ, Роман Евгеньевич PASHKOV, Roman Evgenevich
  • РЕМЕНЕВ, Илья Львович REMENEV, Ilya Lvovich
Inventors
  • БОЛДЫРЕВ, Михаил Николаевич BOLDYREV, Mishail Nikolaevich
  • ПАШКОВ, Роман Евгеньевич PASHKOV, Roman Evgenevich
  • РЕМЕНЕВ, Илья Львович REMENEV, Ilya Lvovich
Agents
  • РЫБИНА, Наталия Алексеевна RYBINA, Natalia Alekseevna
Priority Data
201615127926.12.2016RU
Publication Language Russian (ru)
Filing Language Russian (RU)
Designated States
Title
(EN) DEVICE AND METHOD FOR HYDRODYNAMIC SURFACE CLEANING BASED ON MICRO-HYDROPERCUSSION EFFECT
(FR) DISPOSITIF ET PROCÉDÉ POUR LE NETTOYAGE HYDRODYNAMIQUE DES SURFACES SUR LA BASE DE L’EFFET D’IMPACT MICROHIDRAULIQUE
(RU) УСТРОЙСТВО И СПОСОБ ДЛЯ ГИДРОДИНАМИЧЕСКОЙ ОЧИСТКИ ПОВЕРХНОСТЕЙ НА ОСНОВЕ МИКРОГИДРОУДАРНОГО ЭФФЕКТА
Abstract
(EN) The invention relates to technologies for cleaning surfaces, items and components of natural and industrial impurities and is intended for hydrodynamic cleaning. A nozzle for hydrodynamic cleaning is in the form of a flow passage with a profile formed by an inlet confuser, a resonance chamber and a diffusor arranged in axial alignment and interconnected in series. The confuser and the diffusor are connected via the resonance chamber, which has the shape of a flow-over lip. The ratio of the cross-sectional area at the confuser outlet and the cross-sectional area at the opening of the resonance chamber forming the flow-over lip is from 1.5 to 10. The diffusor can comprise means for additional supply of fluid, gas or particulates. The confuser has a conical shape with a taper angle of 10°-20°. The diffusor has a conical shape with a taper angle of 15°-70°. The technical result is high-performance, stable cavitation sufficient for practical applications, which provides for the lowest possible pressures and flow rates for cleaning surfaces of industrial and natural impurities in both liquid and air environments.
(FR) L'invention concerne des techniques de nettoyage de surfaces, d'objets, de pièces des salissures naturelles ou artificielles et est destinées au nettoyage hydrodynamique. L’embout pour nettoyage hydrodynamique se présente comme un canal de circulation avec un profil formé par un concentrateur d’entrée, une chambre de résonance et un diffuseur disposés coaxialement et en séquence. Le concentrateur et le diffuseur sont reliés par une chambre de résonance ayant la forme d’une saillie de transition. Le rapport entre la coupe transversale de sortie du concentrateur à la surface de coupe d’un orifice de la chambre de résonance qui forme la saillie de transition est de 1,5-10. Le diffuseur peut comprendre un dispositif d’amenée supplémentaire de liquide, de gaz ou de particules solides. Le concentrateur a une forme conique et une conicité de 10°-20°. Le diffuseur a une forme conique et une conicité de 15°-70°. Le résultat technique consiste à assurer une cavitation stable, à haute productivité et suffisante pour les tâches pratiques à des pressions et des débits les plus bas possibles pour nettoyer les surfaces des salissures naturelles ou artificielles dans des milieux liquides ou aériens.
(RU) Изобретение относится к технологиям очистки поверхностей, предметов, деталей от природных и техногенных загрязнений и предназначено для гидродинамической очистки. Насадка для гидродинамической очистки представляет собой проточный канал с профилем, образованным соосно расположенными и последовательно сопряженными друг с другом входным конфузором, резонансной камерой и диффузором. Конфузор и диффузор соединены резонансной камерой в виде переходного выступа. Отношение площади выходного сечения конфузора к площади сечения отверстия резонансной камеры, образующей переходной выступ, составляет 1,5-10. Диффузор может содержать устройство дополнительной подачи жидкости, газа или твердых частиц. Конфузор имеет коническую форму и угол конусности 10°-20°. Диффузор имеет коническую форму и угол конусности 15°-70°. Технический результат: высокопроизводительная устойчивая и достаточная для практических задач кавитация при возможно более малых давлениях и расходах для очистки поверхностей от техногенных и природных загрязнений, как в жидкой, так и в воздушной среде.
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