EP0318074A1 - Vorrichtung zum Reinigen von Startbahnen - Google Patents

Vorrichtung zum Reinigen von Startbahnen Download PDF

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Publication number
EP0318074A1
EP0318074A1 EP88202385A EP88202385A EP0318074A1 EP 0318074 A1 EP0318074 A1 EP 0318074A1 EP 88202385 A EP88202385 A EP 88202385A EP 88202385 A EP88202385 A EP 88202385A EP 0318074 A1 EP0318074 A1 EP 0318074A1
Authority
EP
European Patent Office
Prior art keywords
water
filter
nozzles
bag
cyclone
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.)
Granted
Application number
EP88202385A
Other languages
English (en)
French (fr)
Other versions
EP0318074B2 (de
EP0318074B1 (de
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19850991&utm_source=google_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.
Application filed by A HAK INTERNATIONAL BV filed Critical A HAK INTERNATIONAL BV
Priority to AT88202385T priority Critical patent/ATE62291T1/de
Publication of EP0318074A1 publication Critical patent/EP0318074A1/de
Application granted granted Critical
Publication of EP0318074B1 publication Critical patent/EP0318074B1/de
Publication of EP0318074B2 publication Critical patent/EP0318074B2/de
Anticipated expiration legal-status Critical
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)
  • Detergent Compositions (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Power Steering Mechanism (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Cyclones (AREA)
  • Escalators And Moving Walkways (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Water Treatment By Sorption (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Networks Using Active Elements (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Vehicle Body Suspensions (AREA)
  • Polarising Elements (AREA)
EP88202385A 1987-11-27 1988-10-26 Vorrichtung zum Reinigen von Startbahnen Expired - Lifetime EP0318074B2 (de)

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 (de) 1989-05-31
EP0318074B1 EP0318074B1 (de) 1991-04-03
EP0318074B2 EP0318074B2 (de) 1996-03-20

Family

ID=19850991

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88202385A Expired - Lifetime EP0318074B2 (de) 1987-11-27 1988-10-26 Vorrichtung zum Reinigen von Startbahnen

Country Status (7)

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

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 (de) * 1992-02-28 1993-09-01 Kaufmann Ag Verfahren und Vorrichtung zum Entfernen einer Oberflächen-schicht von einem Körper
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 (de) * 1993-03-22 1994-09-28 Societe Anonyme D'application Des Derives De L'asphalte- S.A.A.D.A. Verfahren und Vorrichtung zum Reinigen von porösen Strassendecken
FR2704781A1 (fr) * 1993-05-05 1994-11-10 Colas Sa Dispositif de nettoyage, appareil et véhicule de nettoyage pour surface rugueuses.
EP0773327A1 (de) * 1995-11-10 1997-05-14 Rainer Scholz Verfahren und Vorrichtung zur Abreinigung einer durch umweltschädliche Medien kontaminierten und/oder in ihrer Griffigkeit beeinträchtigten Fahrbahn oder sonstigen Verkehrsfläche
WO2000020693A1 (en) * 1998-10-02 2000-04-13 Heckett Multiserv France Sa Removal of surface markings
WO2002010518A1 (de) 2000-08-02 2002-02-07 Airmatic Gesellschaft für Umwelt und Technik mbH Vorrichtung zur abreinigung von durch umweltschädliche medien kontaminierte verkehrsflächen
US6594855B2 (en) 2000-08-26 2003-07-22 Heretsreid-Umwetec Gmbh & Co. Kg Roadway cleaning apparatus
WO2010061222A1 (en) * 2008-11-25 2010-06-03 Innovative Industries Limited 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

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 (de) * 1983-04-05 1984-10-10 Dieter Nolte Fahrbare Saugvorrichtung zum Reinigen

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 (de) * 1983-04-05 1984-10-10 Dieter Nolte Fahrbare Saugvorrichtung zum Reinigen

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 (de) * 1992-02-28 1993-09-01 Kaufmann Ag Verfahren und Vorrichtung zum Entfernen einer Oberflächen-schicht von einem Körper
EP0617173A1 (de) * 1993-03-22 1994-09-28 Societe Anonyme D'application Des Derives De L'asphalte- S.A.A.D.A. Verfahren und Vorrichtung zum Reinigen von porösen Strassendecken
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 (de) * 1995-11-10 1997-05-14 Rainer Scholz Verfahren und Vorrichtung zur Abreinigung einer durch umweltschädliche Medien kontaminierten und/oder in ihrer Griffigkeit beeinträchtigten Fahrbahn oder sonstigen Verkehrsfläche
WO2000020693A1 (en) * 1998-10-02 2000-04-13 Heckett Multiserv France Sa Removal of surface markings
WO2002010518A1 (de) 2000-08-02 2002-02-07 Airmatic Gesellschaft für Umwelt und Technik mbH Vorrichtung zur abreinigung von durch umweltschädliche medien kontaminierte verkehrsflächen
US6594855B2 (en) 2000-08-26 2003-07-22 Heretsreid-Umwetec Gmbh & Co. Kg Roadway cleaning apparatus
WO2010061222A1 (en) * 2008-11-25 2010-06-03 Innovative Industries Limited Mobile cleaning equipment
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
EP0318074B2 (de) 1996-03-20
NL8702856A (nl) 1989-06-16
DE3862290D1 (de) 1991-05-08
ES2021826B3 (es) 1991-11-16
DK659788D0 (da) 1988-11-25
DK163437B (da) 1992-03-02
GR3001773T3 (en) 1992-11-23
DK659788A (da) 1989-05-28
EP0318074B1 (de) 1991-04-03
ATE62291T1 (de) 1991-04-15
DK163437C (da) 1992-07-20

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