EP2605961B1 - Vorrichtung zur austragung von abgas aus einem düsenmotor durch sandstrahlen - Google Patents

Vorrichtung zur austragung von abgas aus einem düsenmotor durch sandstrahlen Download PDF

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Publication number
EP2605961B1
EP2605961B1 EP11783103.2A EP11783103A EP2605961B1 EP 2605961 B1 EP2605961 B1 EP 2605961B1 EP 11783103 A EP11783103 A EP 11783103A EP 2605961 B1 EP2605961 B1 EP 2605961B1
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EP
European Patent Office
Prior art keywords
heat gun
engine
gun according
nozzle
cleaning
Prior art date
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Active
Application number
EP11783103.2A
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English (en)
French (fr)
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EP2605961A4 (de
EP2605961A2 (de
Inventor
Bo Winterskov
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Individual
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Publication of EP2605961A2 publication Critical patent/EP2605961A2/de
Publication of EP2605961A4 publication Critical patent/EP2605961A4/de
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Publication of EP2605961B1 publication Critical patent/EP2605961B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/34—Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • B08B3/024—Cleaning by means of spray elements moving over the surface to be cleaned
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00—Devices or accessories for generating abrasive blasts
    • B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials

Definitions

  • the invention relates to a tool for surface treatment by cleaning and drying of surfaces, joints and the like, where the intention is to remove weathering, wear or unintentionally added coating prior to further surface treatment, if any.
  • This is achieved in accordance with the invention by using a heat gun for the cleaning and heat treatment of surfaces, joints and the like using hot blast air generated by a turbojet engine, with an engine jacket with an injector for admixture of a cleaning medium which is discharged through an exhaust nozzle, and where the intake air is supplied to the engine through a filter unit.
  • the known technique has all the requisite characteristics, but it is inexpedient to first employ heavyweight high-pressure systems powered by diesel or petrol engines, which discharge heat directly into the environment through their exhaust and cooling systems, and to then employ a second source of energy for subsequent heat treatment by gas burners supplied from pressurised gas systems, which, In addition to the drawback of handling and transporting "hazardous goods", now also constitute a serious security problem due to the risk of terrorism, which has led to the imposition of very severe security requirements and restrictions for workplaces which use and store gas in pressurised cylinders and tanks.
  • the present invention provides a heat gun according to claim 1.
  • the dependent claims refer to further embodiments of the invention.
  • the invention mentioned in the opening paragraph provides an effective tool for cleaning and heat treatment in one operation, whereby disadvantages of the known technique are remedied.
  • a lightweight jet engine in which a liquid fuel, such as, by way of example, petrol or diesel oil, is injected under electronic control into a compressed combustion chamber, out of which the exhaust air is discharged from the engine jacket with an aggregate injector for sand or similar cleaning medium, which is dosed and discharged through one or more exhaust nozzles to the surface to be cleaned.
  • the jet engine sucks in clean air through a dirt and noise reducing filter unit, which may be mounted directly on and around the engine unit, or be disposed at a distance from the cleaning area, supplying clean air through a system of hoses or the like.
  • the exhaust nozzle may be adapted for various tasks, for example narrow and pointed for depth treatment of joints and cracks, or flat and wide for surface treatment.
  • a heat gun may be constructed for simple manual operation, mounted on a lightweight frame or trolley, or a number of these may be mounted together on a self-propelled, manned or remote-controlled advancing arrangement.
  • Fig. 1 shows a heat gun with a lightweight jet engine mounted under an engine jacket 2, with an aggregate injector for admitting cleaning medium into the hot exhaust jet, which is discharged through an exhaust nozzle 1.
  • the intake air is passed through an air and noise filter unit 3, and the jet engine is controlled here by a control device disposed in a handle 4.
  • Everything is mounted here on a simple lightweight and mobile frame 14 with an armrest 5, where a fuel tank 6 and an aggregate container 7 are carried along on a lightweight trolley 8.
  • the heat gun is shown fitted with a ballast weight 9 and load-relieving and spacer wheels 10.
  • Fig. 2 shows a second embodiment of a heat gun with multiple engine units 2, with exhaust nozzles 1 and an intake filter 3, here mounted in an advancing arrangement 12 which can carry along fuel and aggregate materials
  • a self-propelled, manned or remote-controlled unit not shown.

Claims (6)

  1. Ein Heißluftgebläse für die Reinigung und Wärmebehandlung von Oberflächen (13), Verbindungen und dergleichen unter Verwendung von heißer Druckluft, die durch einen Turbostrahlmotor (11) erzeugt wird, mit einer Motorumhüllung (2) mit einem Injektor für eine Beimischung eines Reinigungsmediums, das durch eine Auslassdüse (1) abgelassen wird, und bei dem die Ansaugluft dem Motor (11) durch eine Filtereinheit (3) zugeführt wird, dadurch gekennzeichnet, dass dasselbe für eine manuelle Vorwärtsbewegung auf einem leichten Rahmen (14) montiert ist.
  2. Ein Heißluftgebläse gemäß Anspruch 1, dadurch gekennzeichnet, dass die Auslassdüse (1) für die Reinigung und Wärmebehandlung von Oberflächen (13) als eine kurze breite Düse konfiguriert ist.
  3. Ein Heißluftgebläse gemäß Anspruch 1, dadurch gekennzeichnet, dass die Auslassdüse (1) für die Behandlung von Spalten und Verbindungen als eine lange schmale Düse konfiguriert ist.
  4. Ein Heißluftgebläse gemäß einem der Ansprüche 1 bis 3, gekennzeichnet durch ein einstellbares Ballastgewicht (9), das befestigt ist, um einem Hochheben auf eine Krafteinleitung von der Auslassdüse (1) hin entgegenzuwirken.
  5. Ein Heißluftgebläse gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass dasselbe mit einstellbaren Entlastungs- und Abstandsrädern (10) versehen ist.
  6. Ein Heißluftgebläse gemäß Anspruch 1, dadurch gekennzeichnet, dass eine oder mehrere Motorumhüllungen (2) mit Auslassdüsen (1) in einer fortschreitenden Anordnung (12) befestigt sind.
EP11783103.2A 2010-05-20 2011-05-18 Vorrichtung zur austragung von abgas aus einem düsenmotor durch sandstrahlen Active EP2605961B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA201000441A DK201000441A (da) 2010-05-20 2010-05-20 Sandblæsningsapparat benytter udstødningsgas fra en jetmotor til sandblæsning
PCT/DK2011/000047 WO2011144210A2 (en) 2010-05-20 2011-05-18 Heating and cleaning apparatus for surface treatment

Publications (3)

Publication Number Publication Date
EP2605961A2 EP2605961A2 (de) 2013-06-26
EP2605961A4 EP2605961A4 (de) 2014-10-01
EP2605961B1 true EP2605961B1 (de) 2015-11-04

Family

ID=44992140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11783103.2A Active EP2605961B1 (de) 2010-05-20 2011-05-18 Vorrichtung zur austragung von abgas aus einem düsenmotor durch sandstrahlen

Country Status (5)

Country Link
US (1) US20130089824A1 (de)
EP (1) EP2605961B1 (de)
CN (1) CN103124674B (de)
DK (2) DK201000441A (de)
WO (1) WO2011144210A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2975168B1 (fr) * 2011-05-13 2013-08-16 Sefmat Appareil generateur d'air chaud a allumage ameliore.
GB2524036A (en) * 2014-03-12 2015-09-16 Wallwork Cambridge Ltd Erosive wear testing apparatus and method
USD891473S1 (en) * 2014-04-22 2020-07-28 Bo Winterskov Shield for containing and distributing turbojet engine combustion exhaust
DE202015005988U1 (de) 2015-08-28 2015-10-26 Andreas Rupprecht Gerät mit einem Einstrom-Strahltriebwerk zur Trocknung, Erhitzung und/oder zum Entfernen von Verunreinigungen von Verkehrsflächen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030091950A1 (en) * 2001-11-14 2003-05-15 Eclipse, Inc. Industrial gas burner package

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB614725A (en) * 1946-07-22 1948-12-22 Schori Metallising Process Ltd Improvements in or relating to sandblasting
US2610622A (en) * 1947-01-31 1952-09-16 Coggin Gray Burner mechanism
US2836036A (en) * 1953-10-27 1958-05-27 Star Co Fuel feeding and ignition means for pulse jet type hot gas or steam generator
US3173413A (en) * 1962-04-02 1965-03-16 Weyerhaeuser Co Pavement heater
US4625509A (en) * 1980-04-21 1986-12-02 Sheppard Sr Darrel J Combustion engine
US4855004A (en) * 1987-06-26 1989-08-08 Clements National Company Seam welding machine for thermoplastic material
CN2053133U (zh) * 1989-10-06 1990-02-21 冶金工业部建筑研究总院 轻便自吸式循环喷砂机
US5285769A (en) * 1992-10-13 1994-02-15 Washington State University Research Foundation Aerosol generating rotary pulse-jet orchard heater
CN2198072Y (zh) * 1994-06-28 1995-05-24 四川长平机械厂 箱式喷砂机
CN2260684Y (zh) * 1996-05-10 1997-08-27 汪世学 模具喷砂机
US6367469B1 (en) * 2000-03-23 2002-04-09 Zacho Bo Ravnsbaek Jet blaster device
CN2470399Y (zh) * 2001-04-09 2002-01-09 中国人民解放军第5704工厂 喷气式机场道面清扫车
CN101648196A (zh) * 2009-09-11 2010-02-17 王鸿智 吹吸机的吹风接口

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030091950A1 (en) * 2001-11-14 2003-05-15 Eclipse, Inc. Industrial gas burner package

Also Published As

Publication number Publication date
EP2605961A4 (de) 2014-10-01
EP2605961A2 (de) 2013-06-26
CN103124674A (zh) 2013-05-29
DK2605961T3 (en) 2016-02-08
WO2011144210A2 (en) 2011-11-24
DK201000441A (da) 2011-11-21
US20130089824A1 (en) 2013-04-11
WO2011144210A9 (en) 2012-06-21
WO2011144210A3 (en) 2012-05-03
CN103124674B (zh) 2016-03-30

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