EP0318074A1 - Dispositif de nettoyage de pistes d'envol - Google Patents

Dispositif de nettoyage de pistes d'envol Download PDF

Info

Publication number: EP0318074A1
Authority: EP; European Patent Office
Prior art keywords: water; filter; nozzles; bag; cyclone
Prior art date: 1987-11-27
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.): Granted

Application number

EP88202385A

Other languages

German (de)

English (en)

Other versions

EP0318074B1 (fr

EP0318074B2 (fr

Inventor

Henry Marie Hermans

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

A HAK INTERNATIONAL BV

Original Assignee

A HAK INTERNATIONAL BV

Priority date (The priority date 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 date listed.)

1987-11-27

Filing date

1988-10-26

Publication date

1989-05-31

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19850991&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0318074(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1988-10-26 Application filed by A HAK INTERNATIONAL BV filed Critical A HAK INTERNATIONAL BV

1988-10-26 Priority to AT88202385T priority Critical patent/ATE62291T1/de

1989-05-31 Publication of EP0318074A1 publication Critical patent/EP0318074A1/fr

1991-04-03 Publication of EP0318074B1 publication Critical patent/EP0318074B1/fr

1996-03-20 Application granted granted Critical

1996-03-20 Publication of EP0318074B2 publication Critical patent/EP0318074B2/fr

2008-10-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Classifications

- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/10—Hydraulically loosening or dislodging undesirable matter; Raking or scraping apparatus ; Removing liquids or semi-liquids e.g., absorbing water, sliding-off mud
- E01H1/101—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers
- E01H1/103—Hydraulic loosening or dislodging, combined or not with mechanical loosening or dislodging, e.g. road washing machines with brushes or wipers in which the soiled loosening or washing liquid is removed, e.g. by suction

Definitions

the invention relates to a device for cleaning a flat surface with powerful water jets, in particular for removing rubber from runwas, comprising one or more nozzles which are connected by means of a pipe to a source for pressurized water, a circulation system which is movable with the nozzles, said systems being at least provided with a water tank, a pump unit connected thereto for raising the water to high pressure, a hood with suction line fitted around the nozzles, filter means for removing solids from the water extracted from the hood, and a return pipe to the tank.
Such a device is know from DE-B-2,617,635.
Another known method is to remove the rubber deposit using powerful water jets which are directed at the runway from nozzles at a distance of about 60 cm.
the pressure used is, for example, about 400 bars and water consumption is 70 to 100 litres of water per minute.
the water polluted with rubber particles goes into the environment, so that this method also is harmful to the environment.
Other disadvantages are that water consumption is high and control is so imperfect that there is a great risk of the asphalt surface being damaged.
the device disclosed in DE-B-2,617,635 aims to prevent such pollution by removing solids from the water, however, the filtering is not sufficiently effective and therefore there is a risk of clogging of the filter and the risk of solid particles being introduced into the tank.
the object of the invention is to avoid these risks and therefore the device is fitted with a cyclone for the extraction of air, a filter for coarse lumps connected to the cyclone, at least one bag-type filter for particles larger than 3 ⁇ m and an activated carbon filter for small particles.
a very high water pressure is used which means a pressure of the order of 1,800 to 2,400 bars.
Less than 25 litres per minute is sprayed onto the runway.
the recirculation means that the rubber passes into filters and quite a considerable quantity of the water sprayed onto the runway is returned to the tank.
the water consumption is therefore only about one quarter of the water consumption with the water jet method without recirculation. Since most of the water is removed from the runway, the latter is always available for emergency landings.
the tank can be made relatively small and can be carried on a vehicle with the nozzles.
the vacuum required to take the polluted water from the nozzle hood to the cyclone and to separate off and remove the air inside the cyclone could be created by a vacuum pump. It is, however, simpler for a cabinet to be placed on the cyclone connected to the inside thereof and having one or more venturi fittings which are connected to an air compressor.
a diaphragm pump is preferably provided in the liquid line between the cyclone and the filter bag and in the liquid line between the filter bag and the activated carbon filter.
the activated carbon filter has to be cleaned periodically by flushing back.
a liquid connection is provided both between the tank and the liquid discharge side of the activated carbon filter and between the liquid infeed side of said filter and the bag-type filter, switchable valves being present in the system to take tank water to the side of the activated carbon filter which is normally the discharge side, for periodic flushing of the activated carbon filter, and for taking flushing water from the normal infeed side of the activated carbon filter to the bag-type filter.
the highpressure pump is designed as an intensifier provided with a hydraulically driven plunger system which converts relatively low pressure and high delivery into very high pressure and low delivery.
a high suction output as regards the water in the nozzle hood is achieved if the suction hose opens out tangentially into the hood fitted round the nozzles.
a number of nozzles will be disposed on a rotary vertical shaft.
the highpressure pump (intensifier) must be protected from solids being washed out of the tank.
a duplex filter is therefore provided in the connection between the water tank and the highpressure pump.
the bagtype filters have to be replaced periodically, and in order to do this without interrupting the working of the device, at least two bag-type filters are disposed in parallel, and valves are present in the pipes to said filters.
the device shown is intended for cleaning flat surfaces. Its particular object is to remove rubber deposits caused by aircraft tyres on airport runways. Use is made of powerful water jets which are directed towards the ground at a distance of about 15 cm from the ground.
the two nozzles are indicated by 1 in Fig. 4. They are each disposed on the end of a pipe 2 which is connectecd to a central hollow shaft 3, which can be rotated by means of a drive mechanism 4.
the nozzles are located in a round hood 5 into which a suction line 6 opens tangentially.
Fig. 1 shows schematically the whole device with the pressure generator, filters and recirculation systems. This device is placed on a vehicle which can also carry the hood 5 with nozzles.
the filter and recirculation system can be placed on a separate vehicle which follows the vehicle 7 on which the hood 5 is mounted.
This suction line 6 of the hood 5 is connected to a suction hose 8 which leads to a cyclone 9.
Compressed air produced by a compressor 13 can be conveyed through line 14 to the cabinet 10 opposite the venturi fittings 12, vacuum being created in the top part of the cyclone.
the purpose of this vacuum is to carry the soiled water through the hose 78 to the cyclone and in conjunction with the functioning of the cyclone to separate off the soiled water.
a diaphragm pump 16 is connected by means of a line 17 to the discharge side and by means of a line 18 to the inlet side of the filter 15.
a ball valve 19, 20 is provided in each of the lines 17, 18.
the diaphragm pump 16 is connectecd to bag-type filters 22 and 23 by means of line 21 and two branches 21a and 21b.
a valve 24a, 24b is fitted in each of the branches.
the soiled water coming from the cyclone is pumped by the pump 16 to one of the bag-type filters 22, 23, in which particles larger than 3 ⁇ m are recovered.
a line 25 connects the discharge side of the bag-type filters to a diaphragm pump 26, which is connected by means of line 27 to a sand activated carbon filter 28.
the discharge side of said filter is connected by means of a line 29 to a water tank 30.
the fine particles are removed in the filter 28 from the water from which the coarse material has been removed, and the cleansed water flows back into the tank 30.
water flows through pipe 31 to a hydraulically driven variable displacement pump 32 (intensifier) for the generation of ultrahigh pressure (for example, 2,200 bars), while a duplex filter 33 is placed in the line 31.
a plunger system in this pump oil displacement at relatively low pressure and relatively high delivery is converted into water displacement at relatively high pressure and relatively low delivery.
JETPAC JETPAC.
the intensifier pump is connected by means of line 34 to the nozzle hood 5.
the quantity of water sprayed on the asphalt is about 24.5 litres per minute. Since the water sprayed onto the runway is removed, the runway is always available for emergency landings.
the recycling ensures that the tank 30 can be relatively small, and is thus transportable on a vehicle.
the sand activated carbon filter has to be flushed clean from time to time.
the flushing system also needs a valve 37 in the line 25, a valve 38 in the line 27, a line 39 connecting the lines 27 and 29 to valve 40, and a line 41 connecting lines 27 and 21 to valve 42, a valve 43 in the line 29, and a valve 42 in the line 27.
the filter 28 can be flushed back, water being conveyed to a bag-type filter 22 or 23.
valves 24a, 24b In normal operation one of the bag-type filters is always in use. Through opertion of the valves 24a, 24b, it is possible to switch over from one bag-type filter to the other, and the used filter can be replaced without the work having to be interrupted.

Landscapes

Architecture (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Engineering & Computer Science (AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Road Paving Structures (AREA)
Cyclones (AREA)
Filters For Electric Vacuum Cleaners (AREA)
Detergent Compositions (AREA)
Power Steering Mechanism (AREA)
Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Control Of Washing Machine And Dryer (AREA)
Filtering Of Dispersed Particles In Gases (AREA)
Networks Using Active Elements (AREA)
Water Treatment By Sorption (AREA)
Escalators And Moving Walkways (AREA)
Photoreceptors In Electrophotography (AREA)
Vehicle Body Suspensions (AREA)
Polarising Elements (AREA)

EP88202385A 1987-11-27 1988-10-26 Dispositif de nettoyage de pistes d'envol Expired - Lifetime EP0318074B2 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
AT88202385T ATE62291T1 (de)	1987-11-27	1988-10-26	Vorrichtung zum reinigen von startbahnen.

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8702856A NL8702856A (nl)	1987-11-27	1987-11-27	Inrichting voor het met krachtige waterstralen reinigen van een vlak oppervlak, in het bijzonder voor het verwijderen van rubber van landingsbanen.
NL8702856		1987-11-27

Publications (3)

Publication Number	Publication Date
EP0318074A1 true EP0318074A1 (fr)	1989-05-31
EP0318074B1 EP0318074B1 (fr)	1991-04-03
EP0318074B2 EP0318074B2 (fr)	1996-03-20

Family

ID=19850991

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP88202385A Expired - Lifetime EP0318074B2 (fr)	1987-11-27	1988-10-26	Dispositif de nettoyage de pistes d'envol

Country Status (7)

Country	Link
EP (1)	EP0318074B2 (fr)
AT (1)	ATE62291T1 (fr)
DE (1)	DE3862290D1 (fr)
DK (1)	DK163437C (fr)
ES (1)	ES2021826B3 (fr)
GR (1)	GR3001773T3 (fr)
NL (1)	NL8702856A (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2655072A1 (fr) *	1989-11-24	1991-05-31	Sita	Machine de nettoyage urbain.
EP0557720A1 (fr) *	1992-02-28	1993-09-01	Kaufmann Ag	Méthode et appareil pour enlever une couche superficielle d'un objet
DE9314896U1 (de) *	1993-10-02	1994-01-13	Hörger, Ulrich, 21781 Cadenberge	Bodenreinigungsgerät zur Reinigung von Flächen mit rauher oder poriger Oberfläche im Sport- und Anlagenbereich
EP0617173A1 (fr) *	1993-03-22	1994-09-28	Societe Anonyme D'application Des Derives De L'asphalte- S.A.A.D.A.	Procédé et dispositif de nettoyage d'une chaussée poreuse
FR2704781A1 (fr) *	1993-05-05	1994-11-10	Colas Sa	Dispositif de nettoyage, appareil et véhicule de nettoyage pour surface rugueuses.
EP0773327A1 (fr) *	1995-11-10	1997-05-14	Rainer Scholz	Procédé et dispositif pour nettoyer des routes et autre surfaces de circulation contaminées des matériaux écologiquement dangereux et/ou avec rugosité réduite
WO2000020693A1 (fr) *	1998-10-02	2000-04-13	Heckett Multiserv France Sa	Retraits de marquages routiers
WO2002010518A1 (fr)	2000-08-02	2002-02-07	Airmatic Gesellschaft für Umwelt und Technik mbH	Dispositif pour nettoyer des surfaces de circulation contaminees par des matieres nocives pour l'environnement
US6594855B2 (en)	2000-08-26	2003-07-22	Heretsreid-Umwetec Gmbh & Co. Kg	Roadway cleaning apparatus
WO2010061222A1 (fr) *	2008-11-25	2010-06-03	Innovative Industries Limited	Équipement de nettoyage mobile
CN113245160A (zh) *	2021-05-28	2021-08-13	韩山师范学院	一种带有回收塑料颗粒功能的环保塑胶跑道自动喷胶设备

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4404230A1 (de) *	1994-02-10	1995-08-17	Max Steinhart Gmbh Pflaster Un	Verfahren und Vorrichtung zum Säubern von Bodenflächen, insbesondere von Fugen zwischen Pflastersteinen und Bodenplatten
DE29514554U1 (de) *	1995-09-01	1995-11-16	Hako-Werke Gmbh & Co, 23843 Bad Oldesloe	Fahrbare Naßreinigungsmaschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3848804A (en) *	1972-11-21	1974-11-19	Warwick Pump And Eng Co Ltd	Surface cleaning
US3959010A (en) *	1974-09-30	1976-05-25	Thompson Tank Manufacturing Company	Vortex cleaner and method of cleaning
DE2617635B1 (de) *	1976-04-22	1977-09-15	Woma Appbau Wolfgang Maasberg	Waschsauger, insbesondere als fahrzeug oder fahrbare vorrichtung ausgebildeter waschsauger
FR2515536A1 (fr) *	1981-11-04	1983-05-06	Asnets Sarl	Perfectionnements apportes aux machines a nettoyer et a decaper les sols
EP0121511A1 (fr) *	1983-04-05	1984-10-10	Dieter Nolte	Appareil mobile de nettoyage par aspiration

1987
- 1987-11-27 NL NL8702856A patent/NL8702856A/nl not_active Application Discontinuation
1988
- 1988-10-26 DE DE8888202385T patent/DE3862290D1/de not_active Expired - Fee Related
- 1988-10-26 AT AT88202385T patent/ATE62291T1/de active
- 1988-10-26 ES ES88202385T patent/ES2021826B3/es not_active Expired - Lifetime
- 1988-10-26 EP EP88202385A patent/EP0318074B2/fr not_active Expired - Lifetime
- 1988-11-25 DK DK659788A patent/DK163437C/da not_active IP Right Cessation
1991
- 1991-04-11 GR GR91400478T patent/GR3001773T3/el unknown

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3848804A (en) *	1972-11-21	1974-11-19	Warwick Pump And Eng Co Ltd	Surface cleaning
US3959010A (en) *	1974-09-30	1976-05-25	Thompson Tank Manufacturing Company	Vortex cleaner and method of cleaning
DE2617635B1 (de) *	1976-04-22	1977-09-15	Woma Appbau Wolfgang Maasberg	Waschsauger, insbesondere als fahrzeug oder fahrbare vorrichtung ausgebildeter waschsauger
FR2515536A1 (fr) *	1981-11-04	1983-05-06	Asnets Sarl	Perfectionnements apportes aux machines a nettoyer et a decaper les sols
EP0121511A1 (fr) *	1983-04-05	1984-10-10	Dieter Nolte	Appareil mobile de nettoyage par aspiration

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2655072A1 (fr) *	1989-11-24	1991-05-31	Sita	Machine de nettoyage urbain.
EP0557720A1 (fr) *	1992-02-28	1993-09-01	Kaufmann Ag	Méthode et appareil pour enlever une couche superficielle d'un objet
EP0617173A1 (fr) *	1993-03-22	1994-09-28	Societe Anonyme D'application Des Derives De L'asphalte- S.A.A.D.A.	Procédé et dispositif de nettoyage d'une chaussée poreuse
FR2703088A1 (fr) *	1993-03-22	1994-09-30	Saada	Procédé et dispositif de nettoyage d'une chaussée poreuse.
FR2704781A1 (fr) *	1993-05-05	1994-11-10	Colas Sa	Dispositif de nettoyage, appareil et véhicule de nettoyage pour surface rugueuses.
DE9314896U1 (de) *	1993-10-02	1994-01-13	Hörger, Ulrich, 21781 Cadenberge	Bodenreinigungsgerät zur Reinigung von Flächen mit rauher oder poriger Oberfläche im Sport- und Anlagenbereich
EP0773327A1 (fr) *	1995-11-10	1997-05-14	Rainer Scholz	Procédé et dispositif pour nettoyer des routes et autre surfaces de circulation contaminées des matériaux écologiquement dangereux et/ou avec rugosité réduite
WO2000020693A1 (fr) *	1998-10-02	2000-04-13	Heckett Multiserv France Sa	Retraits de marquages routiers
WO2002010518A1 (fr)	2000-08-02	2002-02-07	Airmatic Gesellschaft für Umwelt und Technik mbH	Dispositif pour nettoyer des surfaces de circulation contaminees par des matieres nocives pour l'environnement
US6594855B2 (en)	2000-08-26	2003-07-22	Heretsreid-Umwetec Gmbh & Co. Kg	Roadway cleaning apparatus
WO2010061222A1 (fr) *	2008-11-25	2010-06-03	Innovative Industries Limited	Équipement de nettoyage mobile
GB2465675B (en) *	2008-11-25	2012-08-15	Innovative Ind Ltd	Mobile cleaning equipment
CN113245160A (zh) *	2021-05-28	2021-08-13	韩山师范学院	一种带有回收塑料颗粒功能的环保塑胶跑道自动喷胶设备

Also Published As

Publication number	Publication date
NL8702856A (nl)	1989-06-16
DK163437C (da)	1992-07-20
DK659788D0 (da)	1988-11-25
DK163437B (da)	1992-03-02
EP0318074B1 (fr)	1991-04-03
ATE62291T1 (de)	1991-04-15
DE3862290D1 (de)	1991-05-08
GR3001773T3 (en)	1992-11-23
ES2021826B3 (es)	1991-11-16
DK659788A (da)	1989-05-28
EP0318074B2 (fr)	1996-03-20

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