EP0832718B1 - Steuerungsvorrichtung für eine Reinigungsvorrichtung für verseuchte Oberflächen - Google Patents

Steuerungsvorrichtung für eine Reinigungsvorrichtung für verseuchte Oberflächen Download PDF

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Publication number
EP0832718B1
EP0832718B1 EP97810701A EP97810701A EP0832718B1 EP 0832718 B1 EP0832718 B1 EP 0832718B1 EP 97810701 A EP97810701 A EP 97810701A EP 97810701 A EP97810701 A EP 97810701A EP 0832718 B1 EP0832718 B1 EP 0832718B1
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EP
European Patent Office
Prior art keywords
pneumatic
control
fact
air
control device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97810701A
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English (en)
French (fr)
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EP0832718A1 (de
Inventor
Patrick Loubeyre
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Individual
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Individual
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Publication of EP0832718A1 publication Critical patent/EP0832718A1/de
Application granted granted Critical
Publication of EP0832718B1 publication Critical patent/EP0832718B1/de
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0053—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
    • B24C7/0061—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • B24C7/0076—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier the blasting medium being a liquid stream

Definitions

  • the present invention relates to a device for control of a surface cleaning installation contaminated with a jet of air, a fine-grained projection material and a liquid, said installation comprising an air compressor, a tank containing the projection material placed under pressure by said compressor, an apparatus supply and pressurization of said liquid, said control device being a handle provided a trigger controlling the arrival or stop of the pressurized liquid in a device fitted with a nozzle and also supplied with spray material mixed with compressed air.
  • a control device according to the preamble of claim 1 is known from the document FR-A-2 709 257.
  • Such facilities basically include the use of a jet pressurized air comprising a material of fine grain projection and the use of a liquid which is mostly clear water.
  • the installation therefore includes an air compressor supplying a tank in which the material to be sprayed and a water booster, the liquid and compressed air with the projection material arriving in a device comprising a nozzle allowing to project a jet against the surface to decontaminate.
  • the purpose of the present invention is to provide a control device for such an installation improving working conditions without decrease the effectiveness of security measures and reduce the costs of using the installation.
  • the control device is characterized in that said device for control is provided with a pneumatic control member controlling the compressed air supply and purge device of said reservoir, said member comprising an element of put into working condition of said organ and a actuation device controlled by said trigger.
  • control device is the fact that circuit control pneumatic, more specifically pressurization and the tank drain is remotely controlled directly by the same trigger which controls the liquid.
  • the device first includes a conditioner of operation of the organ and a contactor which comes in second position to allow the setting organ action.
  • said member is purely pneumatic and according to a preferred variant of execution, it includes two distributors tires, the first of which is fitted with a rocker type switch and the second one contactor in the form of a ball.
  • the present invention also provides other improvements making it easier to order installation and less expensive, at least in terms of of use.
  • a pressure regulator is also installed on the control device, this which allows the user to know the pressure of the pneumatic circuit and modify it at will.
  • command is a command of the device regulating the projection material flow.
  • This command can be electric, but it is, preferably, pneumatic for the same reasons as above.
  • Figure 1 is a completely schematic view of a installation using the command according to this invention.
  • Figure 2 is an exploded side view of the control device according to the present invention.
  • Figure 3 is a schematic side view of the control device.
  • Figure 4 is a plan view of the bottom of the control device according to the present invention.
  • a water supply E passes through a device for overpressure 1 and through a pipe E1 feeds the control device 2, which by means of a trigger controls the passage or stopping of water to a mixing device 3.
  • An air compressor 4 feeds through a pipe A1 an air dryer 5.
  • a pipe A2 the air thus dried out first passes through a device for regulation of air pressure R1 and thereafter it is directed by an A5 pipe in a pressure tank 6 to through a filling valve V1.
  • the tank 6 contains a projection product with grains purposes used for cleaning surfaces.
  • Another pipe A3 leads the dried air out of the tank 6 provided with a valve V2 through which the product of projection is pushed thanks to the remaining pressure in the tank, and the suction (Venturi effect) in the A4 pipe.
  • the product to spray is mixed with compressed air and arrives at the mixing device 3 provided with a nozzle, through which is projected against the surface to be decontaminated.
  • Another hose A6 supplies the dried air to the device 2.
  • the air thus arrived is used for order through an appropriate device and A7 pipe, the valve V1 for pressurizing the tank 6, or purge.
  • the valve V1 is arranged to either put under pressure the tank, or purge it.
  • the command 2 is fitted with a measurement and regulation device distance from the pneumatic circuit pressure.
  • valve V2 provision is made for ability to control flow of spray material through valve V2.
  • a double hose A8 and a suitable member located on the control device 2 the product flow is adjusted passing through valve V2.
  • FIG 2 we have shown seen from the side the control device 2 schematically. he it is a handle 201 provided with a trigger 202 which control by means of a spring switch or conventional piston of known type, the outlet of the liquid through the opening 203 of the control 2.
  • the liquid supply is done through the line E1.
  • Port 203 is usually connected to a T-shaped bypass device 204 Both other ends of the T are connected to a tap T1, respectively T2.
  • the T1 tap allows to control the liquid supply of the mixing device 3.
  • This mixing device 3 is supplied by air compressed through the air hose A4.
  • the second tap T2 is connected to an elbow fitting 205 provided with a nozzle 206.
  • the use of the T2 tap and the nozzle 206 is of course optional, however useful when you want to squirt only with the liquid the surface without passing through the mixing device 3.
  • the pneumatic distributor 207 is provided with a lever control 209, while the distributor pneumatic 208 is fitted with a ball switch which will be actuated by trigger 202 by means of a member 210.
  • Distributor 207 could have been a simple valve as will also be explained later.
  • connection piece 219 is connected by means of a pipe not shown at the inlet 207a of distributor 207, while its outlet 207b is connected by a hose to the inlet 208a of the distributor 208.
  • the outlet 208b is connected by a hose to the connection 214, which in turn is connected to an A7 pipe leading to the control of the tank valve V1 6.
  • valve V1 goes to position drain the tank.
  • valve T1 If the valve T1 is open, the liquid also passes in device 3 and the jet includes air, liquid and the material to be sprayed. If we want stop the projection, just release the handle, preventing the passage of compressed air by outlet 208b and valve V1 is closed, which stops feeding with the material to be sprayed, as well as liquid. If you want to use the handle for only a jet of liquid, just close the dispenser pneumatic 207 by means of rocker 209 and press on the trigger, which will allow through either the device 3, i.e. the nozzle 206, the outlet of the liquid. By releasing trigger 202, we interrupt simultaneously supplying liquid and air, as well as the material to be projected.
  • the trigger 202 advantageously replaces under the water or spring pressure the "man” command dead “because said pressure pushes the trigger rest position preventing pneumatic passages and hydraulic to the nozzle.
  • pneumatic distributor 209 could also be replaced by a simple tap that you close or open. Nevertheless, such a tap or valve is relatively bulky and if we happy with a small tap it is difficult to handle by the user who often wears gloves thick work. A toggle switch is more easy to handle and switch 207 is small cut.
  • the second improvement brought by this invention is the remote control and command of the pressure of the pneumatic circuit. So from the second branch of room 219 by means of a flexible, the air is led into entry 216 of the R2 pressure regulator with display 218 and it exit via exit 217 to be subsequently driven by means of a hose on connection 213, which of its side is connected to the air hose A9 commanding the regulation device R1.
  • the R2 regulator is a element existing in trade and does not represent no specific features for this application. This device therefore makes it possible, on the one hand, to control the pressure of the pneumatic circuit and, on the other hand, of the pay according to the work and the result obtained by the user. It is an interactive command facilitating the work of the user, who up to now must either be assisted by a second person who regulates the pressure according to indications directly on the R1 device, i.e. move itself to make this adjustment and restart.
  • valve V2 is not a fitting T-shaped, but a five-branch fitting, the fourth and fifth branches being connected to a device not shown for controlling the flow rate of valve V2.
  • the outputs of this device which could be set as the R2 regulator of the other side of plate 211 are connected to connections 215a to 215b of plate 211, which is its side connected through the double line A8 to the valve V2 control.
  • the control device the valve V2 can advantageously comprise a cylinder with double effect operated by two ball distributors like the distributor 208. So depending on the modification of the desired flow, one or the other of these distributors to move the piston opening or closing the valve V2. Instead of two pneumatic distributors we could use two taps or valves.

Claims (8)

  1. Steuervorrichtung (2) zum Steuern einer Einrichtung zum Reinigen kontaminierter Oberflächen mittels eines Strahls aus Luft, einem feinkörnigen Strahlmittel und einer Flüssigkeit, mit einem Luftkompressor (4), einem Behälter (6), der das vom Kompressor (4) unter Druck gesetzte Strahlmittel enthält, einem Gerät (1), welches die erwähnte Flüssigkeit zuführt und unter Druck setzt, wobei die erwähnte Steuervorrichtung (2) ein Handgriff (201) mit einem Drücker (202) ist, welcher die Zufuhr der unter Druck stehenden Flüssigkeit in eine mit einer Düse versehene Vorrichtung (3) oder die Sperrung der Flüssigkeit steuert, und wobei diese Vorrichtung (3) auch mit dem mit Druckluft vermischten Strahlmittel gespeist wird, dadurch gekennzeichnet, dass die erwähnte Steuervorrichtung (2, 201) mit einem pneumatischen Steuerorgan (207, 208) ausgerüstet ist, welches eine Vorrichtung (V1) steuert, die Druckluft in den erwähnten Behälter (6) leitet oder diesen entlüftet, und dass das erwähnte Steuerorgan ein Element (207), welches dieses Organ in Betriebsbereitschaft versetzt, und eine von dem erwähnten Drücker (202) gesteuerte Betätigungsvorrichtung (208) aufweist.
  2. Steuervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das erwähnte pneumatische Organ einen ersten pneumatischen Verteiler (207) aufweist, der mit einer manuellen Steuerung (209) versehen ist, mit der das Organ in Betriebsbereitschaft versetzt werden kann, und welcher mit einem zweiten pneumatischen Verteiler (208) zusammenarbeitet, der dazu eingerichtet ist, von dem Drücker (202) betätigt zu werden.
  3. Steuervorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der zweite pneumatische Verteiler mit einer Kugel als Verschlussstück arbeitet.
  4. Steuervorrichtung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das erwähnte pneumatische Organ ein pneumatisches Ventil ist.
  5. Steuervorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass diese Steuervorrichtung (2, 201) ausserdem mit einem Organ (R2) ausgerüstet ist, welches den Luftdruck zu messen und zu modifizieren erlaubt.
  6. Steuervorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass diese Steuervorrichtung mit einem Organ zum Steuern einer den Durchsatz des Strahlmittels regelnden Vorrichtung (V2) versehen ist.
  7. Steuervorrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass die erwähnten Organe pneumatische Organe sind.
  8. Steuervorrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass die erwähnten Organe elektrische Organe sind.
EP97810701A 1996-09-24 1997-09-24 Steuerungsvorrichtung für eine Reinigungsvorrichtung für verseuchte Oberflächen Expired - Lifetime EP0832718B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9611603 1996-09-24
FR9611603A FR2753643B1 (fr) 1996-09-24 1996-09-24 Dispositif de commande d'une installation de nettoyage de surfaces contaminees

Publications (2)

Publication Number Publication Date
EP0832718A1 EP0832718A1 (de) 1998-04-01
EP0832718B1 true EP0832718B1 (de) 2002-10-30

Family

ID=9496000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97810701A Expired - Lifetime EP0832718B1 (de) 1996-09-24 1997-09-24 Steuerungsvorrichtung für eine Reinigungsvorrichtung für verseuchte Oberflächen

Country Status (5)

Country Link
EP (1) EP0832718B1 (de)
AT (1) ATE226869T1 (de)
DE (1) DE69716693T2 (de)
ES (1) ES2184980T3 (de)
FR (1) FR2753643B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19623024A1 (de) * 1996-06-08 1997-12-11 Josef Bauer Naßstrahlanlage
SE9801316L (sv) * 1998-04-16 1999-10-17 Kjell Rickling Anordning vid blästerventil
FR2783735B1 (fr) 1998-09-29 2000-12-15 Patrick Loubeyre Dispositif pour la decontamination des surfaces au moyen d'un jet compose d'air, d'une matiere de projection a grains fins et d'un liquide
FR2845017B1 (fr) * 2002-09-27 2005-07-08 Distrib Maintenance Materiel D Dispositif de nettoyage par projection d'un melange poudre/gaz sous pression regulee
CN104526573B (zh) * 2015-01-21 2017-02-22 北京科技大学 一种带钢表面处理浆料连续供给系统及使用方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT350871B (de) * 1972-04-21 1979-06-25 Frank Sche Eisenwerke Ag Spritzpistole
US4135068A (en) * 1976-09-13 1979-01-16 Bowen Tools, Inc. Dead man safety assembly
DE3643060A1 (de) * 1986-04-22 1987-11-19 Peiniger Ernst Gmbh Sicherheitseinrichtung
US4901928A (en) * 1988-10-04 1990-02-20 Stripping Technologies Inc. Pressure hose handle and system
WO1994027785A1 (en) * 1993-05-26 1994-12-08 Carolina Equipment And Supply Company, Inc. Method and apparatus for cleaning with high pressure liquids at low flow rates
DE4201860C1 (de) * 1992-01-24 1993-06-24 Beton- Und Monierbau Gmbh, 4600 Dortmund, De
FR2709257B3 (fr) * 1993-08-23 1997-08-08 Viel Jean Pierre Procédé de nettoyage de bâtiment par très basse pression.
DE29607056U1 (de) * 1996-04-18 1996-07-18 Szuecs Johann Vorrichtung zur Versorgung einer Strahlpistole mit Arbeitsmedien

Also Published As

Publication number Publication date
FR2753643B1 (fr) 1998-12-04
DE69716693T2 (de) 2003-07-03
ES2184980T3 (es) 2003-04-16
FR2753643A1 (fr) 1998-03-27
DE69716693D1 (de) 2002-12-05
EP0832718A1 (de) 1998-04-01
ATE226869T1 (de) 2002-11-15

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