EP3169212A1 - Procédé de nettoyage d'une surface de sol en dur encrassée ainsi que dispositif de nettoyage d'une surface de sol en dur encrassée - Google Patents

Procédé de nettoyage d'une surface de sol en dur encrassée ainsi que dispositif de nettoyage d'une surface de sol en dur encrassée

Info

Publication number
EP3169212A1
EP3169212A1 EP15742201.5A EP15742201A EP3169212A1 EP 3169212 A1 EP3169212 A1 EP 3169212A1 EP 15742201 A EP15742201 A EP 15742201A EP 3169212 A1 EP3169212 A1 EP 3169212A1
Authority
EP
European Patent Office
Prior art keywords
treatment chamber
cleaning
brush
floor surface
cleaning liquid
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
EP15742201.5A
Other languages
German (de)
English (en)
Other versions
EP3169212B1 (fr
Inventor
Ursula Kalinowski-Krumm
Christiane Schulte
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.)
Individual
Original Assignee
Individual
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
Priority claimed from DE202014005755.9U external-priority patent/DE202014005755U1/de
Application filed by Individual filed Critical Individual
Publication of EP3169212A1 publication Critical patent/EP3169212A1/fr
Application granted granted Critical
Publication of EP3169212B1 publication Critical patent/EP3169212B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/307—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having reciprocating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4077—Skirts or splash guards
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • 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
    • 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 method for cleaning a paved bottom surface contaminated in particular with chewing gum by mechanical action on the contaminant by means of at least one brush moving under a hood and by supplying superheated steam to the contaminant to be cleaned. Furthermore, the invention relates to a device for cleaning a, in particular contaminated with chewing gum, fixed bottom surface with at least one driven to perform a brush movement, arranged within a bottom open hood Neten cleaning brush, with a device for supplying superheated steam to the ground surface to be cleaned and with a device for sucking off the soil surface dissolved dirt particles.
  • Hardened chewing gum residues are to be softened with the help of the supplied heat and then better be removed mechanically from the base surface with the brushes.
  • the in the feed direction of the known from this document Abinstitutsvornchtung rearmost portion under the hood is designed as a suction channel. About this are removed from the bottom surface dirt particles together with the resulting liquid residues, if liquid has been supplied, sucked.
  • the object of the invention is therefore to propose a method and a device with which not only stubborn dirt, in particular hardened chewing-gum residues, can be removed on a fixed floor surface, but that this is possible. without having to accept an excessively slow feed of the soil cleaning device.
  • the device-related object is achieved by an initially mentioned, generic device in which the at least one brush is disposed in a provided within the hood treatment chamber, which is laterally separated by an apron with a bottom-side seal of the outside of the treatment chamber hood areas, wherein the bottom-side sealing of the treatment chamber enclosing apron is designed so that within the treatment chamber a makes hamperkeitsbad can be dammed, in which the hot steam supply opens into the treatment chamber and in which the suction line of the suction empties into an extraction chamber located outside the treatment chamber.
  • the focus is on providing a hot cleaning liquid bath in a treatment chamber of a cleaning device for the duration of the cleaning process and maintaining it for the duration of the cleaning process. It is provided that this makes protestkeitsbad is maintained at a temperature at which even hardened chewing gum residues soften greatly.
  • superheated steam is introduced into the treatment chamber, preferably under pressure.
  • the superheated steam represents a precursor for the actual cleaning liquid, which is formed only by the process of condensing the superheated steam in the treatment chamber.
  • the temperature of the cleaning liquid bath present in the treatment chamber for the purpose of cleaning can certainly be brought to and maintained at temperatures of more than 90 ° C.
  • it is provided to supply the superheated steam at a temperature of 150 ° C.
  • a supply of the superheated steam under pressure assists the cleaning process, since insofar as, at the same time as the supply of thermal energy, a mechanical action is also taken by the spray on the pollutant to be cleaned.
  • the method is carried out in such a way that the filling level of the cleaning liquid bath in the treatment chamber does not exceed a maximum fill level.
  • a fill level height of the cleaning liquid bath is considered to be suitable between 3 mm and 15 mm, preferably somewhat less than 10 mm. For this reason, the cleaning liquid bath in the treatment chamber covers the bottom surface underneath in the desired fill level, like a film.
  • the hot cleaning liquid bath ensures a particularly effective heat transfer to a surface to be cleaned off or dirt adhering to it, for example hardened chewing gum residues.
  • the same applies to the claimed device not only the amount of heat available in the makesssenkeitsbad is considerable.
  • the heat also acts on the contaminant to be cleaned during the entire time of the brush machining, the height of which projecting from the bottom surface is less than the filling level of the cleaning liquid bath.
  • a contamination present in the cleaning liquid bath is roughened, as a result of which the surface thereof is enlarged and thus a transfer of heat from the hot cleaning liquid into the contamination is still favored.
  • An advantage of this concept is also that additives that support the cleaning process, not on the hot steam supply in the Be have to be introduced. Rather, they can be added directly to the cleaning liquid bath. As a result, evaporation of additives, especially if they are harmful to health, avoided. Nevertheless, they can exert their effect in the cleaning liquid bath, namely by mixing it throughout the entire surface area covered by the cleaning liquid bath.
  • openings in the height of the maximum desired fill level height of the cleaning liquid bath are introduced as overflow openings into the treatment chamber enclosing a treatment chamber, through which dirty water can escape from the treatment chamber into an adjacent suction chamber.
  • leakage of dirty liquid from the treatment chamber into the suction chamber is also possible by both measures described above.
  • the To control fluid level within the treatment chamber through the hot steam supply is provided.
  • the cleaning liquid bath temperature will also be included in this control, so that it does not fall below a predetermined value.
  • it is provided in such a configuration that even with maximum superheated steam supply over a certain period of time, the intended maximum fill level of the cleaning liquid in the treatment chamber is not exceeded or can be exceeded.
  • a suction device is operated in order to suck off immediately emerging from the treatment chamber dirty liquid. Suction is thus carried out simultaneously with the implementation of the mechanical brush processing of the bottom surface.
  • the suction line opens into a suction channel provided adjacent to the treatment chamber, preferably in the feed direction of the cleaning device behind the treatment chamber.
  • the oscillatory motion typically has its apex in such a configuration in a position of the two brush groups, if they are arranged one behind the other in the feed direction.
  • a mechanical brush machining of the floor surface to be cleaned takes place in two steps, namely in a first step when the first brush group is moved over the floor surface to be cleaned and in a second step when the second brush group is moved over the floor surface to be cleaned. surface is moved.
  • the special feature of this concept is that the two brush groups are spaced from each other in the feed direction of the device and thus is a period of heat and spray exposure without brush processing between the first brush processing and the second brush processing. During this temperature-influencing phase, adhering contaminants are heated to their softening temperature by heat transfer from the cleaning liquid, so that they can be brushed off the bottom surface by the subsequent brushing of the second brush group.
  • the hot steam is preferably supplied at high pressure, with a pressure of more than 30 bar is preferred. In one embodiment, a hot steam supply at 50 bar is provided.
  • the kinetic energy thus introduced into the treatment chamber is correspondingly high. Since the superheated steam outlet nozzles are preferably directed toward the floor surface to be cleaned, the superheated steam jet, with appropriate kinetic energy, impinges on the floor surface or the adhesive adhering to it. pollution on. At any rate, with such pressure, the hot steam jet penetrates the hot cleaning liquid bath with considerable kinetic energy in order to be able to exert its intended purpose of pressure-spraying onto the floor surface to be cleaned.
  • a suction channel for sucking out of the treatment chamber leaked dirty liquid serve the remaining components of the hood, which preferably surround the skirt of the treatment chamber circumferentially. In this way, a circumferential suction channel is formed.
  • the hood is sealed on the bottom side by a suitable seal.
  • this circumferential suction channel also serves as a thermal insulation. Under the sealing of the hood incoming ambient air is then sucked together with the dirty liquid and does not reach or at most only in a not significant extent in the treatment chamber. Since the cleaning device is designed and the method is carried out so that contaminated liquid escapes from the treatment chamber, there is also no danger in the extraction that heat is extracted from the cleaning liquid bath by the suction.
  • Fig. 1 a schematic view from below in a hood one in the
  • FIG. 2 shows a section through the cleaning device of Figure 1 along the line AB
  • 3 shows an enlarged partial view of the section of the cleaning device of FIG. 2 during the cleaning operation of a fixed floor surface.
  • a device for cleaning contaminated fixed floor surfaces - a cleaning device 1 - comprises a hood 2, which is supported at the bottom by rollers. The roles are not shown in the figures.
  • the hood 2 has circumferential side surfaces, which is sealed on the bottom side with a sealing skirt.
  • a treatment chamber 3 Within the hood 2 of the cleaning device 1 is a treatment chamber 3.
  • the treatment chamber 3 is spaced from the inner wall of the hood 2 by a circumferential skirt 4.
  • the skirt 4 extends to the upper end plate 5 of the hood 2.
  • the skirt 4 is also equipped at its lower, facing the ground surface to be cleaned side, equipped with a seal to seal the treatment chamber 3 in the lateral direction, at least as far as this in a rough or uneven paved ground surface is possible.
  • two brush plates 6, 6.1 are arranged in the illustrated embodiment.
  • the brush plate 6 will be described in more detail. The same statements apply to the brush plate 6.1.
  • the brush plate 6 is, as indicated by the double block arrow, oscillating back and forth.
  • the cleaning device has a drive not shown in the figures.
  • the pivot axis of the brush plate 6 with respect to its oscillating reciprocation is indicated by the reference numeral 7.
  • the pivot axis 7 extends in the vertical direction, so that the brush plate 6 oscillates in a horizontal plane.
  • the brush plate 6 is shown in its apex position, ie in its position in which the pivoting amount is equal in both directions.
  • the total amount of oscillation of the brush plate 6 is about 70 ° and oscillates at a frequency of about 100 to 130 oscillatory movements per minute.
  • the brush plate 6 is H-shaped.
  • a cleaning brush B is arranged at each end of the two to the Side member 8 integrally formed cross members 9, 9.1 .
  • the brush plate 6 carries a plurality of spray arms S, which have at its free end directed towards the lower hood opening toward nozzle D.
  • the spray arms S Via the spray arms S, which are connected in a manner not shown to a device for providing superheated steam, hot steam is introduced into the treatment chamber 3.
  • the spray arms S are attached to the brush plate 6 and thus oscillate oscillating together with its pivoting movement.
  • a channel between the inner wall of the hood 2 and the outer wall of the skirt 4 forms a suction channel 10.
  • the suction channel 10 extends circumferentially around the skirt 4.
  • a suction 1 1 which provides for providing the desired negative pressure to a non-illustrated Extraction of the Abcurisvorrich- device 1 is connected.
  • a negative pressure is generated in the suction channel 10 in order to suck off dirty water which enters the suction channel 10 from the treatment chamber 3.
  • ambient air which virtually invariably enters the extraction duct 10, in particular through the lower seal of the hood 2, is extracted via the suction which is operated during the entire cleaning process.
  • the feed direction of the cleaning device 1 is indicated in Figure 1 by the two block arrows.
  • the roll-supported hood 2 is located on a fixed floor surface 12.
  • the hood 2 is sealed with respect to the bottom surface 12 with its peripheral wall 13 with a sealing skirt.
  • the skirt 4 is on the underside with the interposition of a seal on the bottom surface 12.
  • the treatment chamber 3 is supplied in a first step by supplying superheated steam via the spray chamber. me S flooded.
  • the hot steam introduced into the treatment chamber 3 at a temperature of about 150 ° C. condenses therein and collects at the bottom of the treatment chamber 3, which is formed by the floor surface 12 to be cleaned off.
  • the underside seal of the skirt 4, by which the treatment chamber 3 is delimited, is sufficiently dense to permit the accumulation of the cleaning liquid thus formed. Operates the cleaning device 1 in the illustrated embodiment with a level height of the cleaning liquid in the treatment chamber of about 8 mm.
  • the cleaning liquid bath condensed from the hot steam introduced into the treatment chamber 3 is identified by the reference numeral 14.
  • the supply temperature of the superheated steam into the treatment chamber 3 is sufficient to maintain a temperature in the cleaning liquid bath 14 of about 90 ° C.
  • the entire treatment chamber 3, including all the internals therein heats up, such as the brush plates 6, 6.1 with the brushes B and spray arms S carried by them. This causes the brushes B contacting the bottom surface to also work during a work session have assumed the temperature of the cleaning liquid bath 14.
  • a plurality of overflow openings 15 are introduced at intervals around the skirt 4, through which excess cleaning liquid can flow out into the suction channel 10 arranged on the outside with respect to the skirt 4.
  • the overflow openings 15 are closable within the apron, for example by a slide.
  • the brush plates 6, 6.1 are brought into their oscillating cleaning movement, so that they brush in an oscillating manner over the bottom surface 12.
  • the cleaning device 1 is moved in the feed direction, so that in the cleaning direction, the entire bottom surface 12 undergoes a brush processing, at the temperature of the cleaning liquid 14.
  • the superheated steam supply due to the high kinetic energy supports the cleaning process.
  • the superheated steam sprays penetrate the cleaning liquid bath 14. This not only causes impurities adhering to the bottom surface 12 to be additionally exposed to direct superheated steam spraying, for the period in which a spray arm S with its nozzle D over the At the same time, the thermal energy supplied by the superheated steam is brought exactly where it is needed, namely on the floor surface 12 to be cleaned. The condensation of the superheated steam maintains the liquid level of the cleaning liquid bath 14.
  • the ends of the spray arms S with their nozzles D are adjacent to the brushes B.
  • the superheated steam spraying jets are not directed towards the brushes B.
  • the underside sealing of the skirt 4 is designed in such a way that during a movement of the cleaning device 1 under this dirty liquid, ie: cleaning liquid with befind Anlagen befind Anlagen, already detached pollution exits the treatment chamber 3 and can enter the suction channel 10. About the hot steam supply into the treatment chamber 3, the liquid level of the makeswashkeitsba- 14 is maintained and compensated for the above-described intended leakage.
  • the suction device is turned on, so that leaked from the treatment chamber 3 dirty liquid, which can well escape via the overflow openings 15, is sucked immediately through the suction line 1 1. This is a Neuanbackung the already detached dirt particles on the Floor surface 12 effectively prevented.
  • the suction channel 10 forms a thermal insulator with respect to the prevailing in the treatment chamber 3 cleaning temperature. Due to the above-described design of the brush plates 6, 6.1 takes place during a movement of Abinstitutsvornchtung 1, a treatment of theheldreinierendes bottom surface 12 with two temporally successive brush processing steps. A dirt entering into the treatment chamber 3 in the feed direction due to the feed is heated intensively before the first brush contact.
  • two brush plates 6, 6.1 are arranged in the treatment chamber.
  • a plurality of treatment chambers are provided under the hood of the cleaning device, in each of which at least one brush is reciprocated in an oscillating manner.
  • the plurality of treatment chambers are arranged so that a uniform cleaning result is achieved over the cleaning width of the cleaning device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un procédé de nettoyage d'une surface de sol (12) en dur, encrassée, notamment par du chewing-gum, par action mécanique sur l'encrassement au moyen d'au moins une brosse B se déplaçant sous un capot (2) et en fournissant de la vapeur chaude sur l'encrassement à nettoyer, qui est caractérisé par les étapes suivantes : - introduire de la vapeur chaude sous pression en tant que précurseur pour un liquide de nettoyage dans une chambre de traitement (3) étanchéifiée latéralement du côté du sol, ouverte en direction de la surface de sol (12), - préparer un bain de liquide de nettoyage (14), chaud, se trouvant en contact avec la surface de sol à nettoyer, à l'intérieur de la chambre de traitement (3) pour la durée du procédé de nettoyage par condensation de vapeur chaude fournie dans la chambre de traitement (3) et accumuler le condensat en tant que liquide de nettoyage jusqu'à une hauteur de remplissage ne dépassant pas une hauteur maximale de remplissage, et - effectuer le traitement mécanique à la brosse de la surface de sol (12) dans le bain de liquide de nettoyage chaud (14) avec l'aspiration simultanée du liquide sale sortant ou étant évacué de la chambre de traitement (3). L'invention concerne en outre un dispositif de nettoyage d'une surface de sol (12) en dur, encrassée, notamment par du chewing-gum, dans lequel au moins une brosse B est disposée dans une chambre de traitement (3) prévue à l'intérieur d'un capot (2), laquelle est séparée latéralement par une jupe (4) avec une étanchéité du côté du sol de domaines de capot se trouvant à l'extérieur de la chambre de traitement (3). L'étanchéité du côté du sol de la jupe (4) entourant la chambre de traitement (3) est conçue pour qu'un bain de liquide de nettoyage (14) puisse être retenu à l'intérieur de la chambre de traitement (3).
EP15742201.5A 2014-07-15 2015-07-14 Procédé de nettoyage d'une surface de sol en dur encrassée ainsi que dispositif de nettoyage d'une surface de sol en dur encrassée Not-in-force EP3169212B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014010479 2014-07-15
DE202014005755.9U DE202014005755U1 (de) 2014-07-15 2014-07-15 Reinigungsvorrichtung zur Kaugummientfernung von Flächen
PCT/EP2015/066060 WO2016008882A1 (fr) 2014-07-15 2015-07-14 Procédé de nettoyage d'une surface de sol en dur encrassée ainsi que dispositif de nettoyage d'une surface de sol en dur encrassée

Publications (2)

Publication Number Publication Date
EP3169212A1 true EP3169212A1 (fr) 2017-05-24
EP3169212B1 EP3169212B1 (fr) 2018-08-29

Family

ID=53758182

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15742201.5A Not-in-force EP3169212B1 (fr) 2014-07-15 2015-07-14 Procédé de nettoyage d'une surface de sol en dur encrassée ainsi que dispositif de nettoyage d'une surface de sol en dur encrassée

Country Status (2)

Country Link
EP (1) EP3169212B1 (fr)
WO (1) WO2016008882A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114903387B (zh) * 2021-02-10 2023-06-16 苏州瑞久智能科技有限公司 地面清洗机的自清洁方法、计算机可读存储介质和地面清洗机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111350A1 (de) * 2001-03-08 2002-09-12 Roecher Gregor Verfahren zum Abreinigen kontaminierter oder verschmutzter Flächen
DE102009011433A1 (de) * 2009-02-20 2010-09-02 Kärcher Futuretech GmbH Sprühextraktionsdüse zum Reinigen einer Oberfläche, insbesondere zum Dekontaminieren der Oberfläche
DE102009022269A1 (de) * 2009-05-22 2010-11-25 Airmatic Gesellschaft für Umwelt und Technik mbH Abreinigungsverfahren und -vorrichtung
DE202010004239U1 (de) * 2010-03-26 2011-09-07 Airmatic Gesellschaft für Umwelt und Technik mbH Vibrations-Reinigungsvorrichtung
DE202010006142U1 (de) * 2010-04-28 2011-09-07 Airmatic Gesellschaft für Umwelt und Technik mbH Nass-Abreinigungsvorrichtung
DE202013005169U1 (de) * 2013-06-06 2013-10-29 Wolfgang Krumm Reinigungsvorrichtung zur Kaugummientfernung von Flächen

Also Published As

Publication number Publication date
WO2016008882A1 (fr) 2016-01-21
EP3169212B1 (fr) 2018-08-29

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