EP1907617A1 - Machine et procédé pour laver et/ou nettoyer à sec des articles - Google Patents

Machine et procédé pour laver et/ou nettoyer à sec des articles

Info

Publication number
EP1907617A1
EP1907617A1 EP05806759A EP05806759A EP1907617A1 EP 1907617 A1 EP1907617 A1 EP 1907617A1 EP 05806759 A EP05806759 A EP 05806759A EP 05806759 A EP05806759 A EP 05806759A EP 1907617 A1 EP1907617 A1 EP 1907617A1
Authority
EP
European Patent Office
Prior art keywords
water
solvent
drum
machine according
articles
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.)
Withdrawn
Application number
EP05806759A
Other languages
German (de)
English (en)
Inventor
Mirco Mongillo
Tiziano Cotti
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.)
Fmb SpA
Original Assignee
Fmb SpA
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
Application filed by Fmb SpA filed Critical Fmb SpA
Priority to EP05806759A priority Critical patent/EP1907617A1/fr
Publication of EP1907617A1 publication Critical patent/EP1907617A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
    • D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
    • D06L1/22—Processes involving successive treatments with aqueous and organic agents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
    • D06F43/02—Dry-cleaning apparatus or methods using volatile solvents having one rotary cleaning receptacle only

Definitions

  • the present invention relates to a machine for washing and/or dry-cleaning and drying articles such as clothes, household linen, towels, curtains and the like, which can be washed with water and/or dry-cleaned.
  • the present invention relates to a machine for washing and/or dry-cleaning and drying articles using both water and hydrocarbon-based or silicone-based solvents.
  • hydrocarbon- or silicone-based solvents were introduced in recent years to cope with the elevated polluting effect of the hydrofluorocarbon-based solvents previously used.
  • the main disadvantage is the difficulty and costs linked to disposal of the water drained out at the end of washing.
  • the washing water, passing in the same drum where the solvent circulates, can easily be polluted and so cannot be drained into normal drains, but requires suitable disposal.
  • the aim of the present invention is to provide a machine for washing/dry-cleaning articles such as clothes, household linen, towels, curtains and the like which can overcome the above- mentioned disadvantages of the known machines, and which is at the same time functional and economical to produce and allows effective washing/dry-cleaning and drying cycles for the articles.
  • the technical features of the present invention, in accordance with the above aims, are clear from the content of the claims herein, in particular claim 1, and from any of the claims directly or indirectly dependent on claim 1.
  • the present invention also relates to a method for washing/dry-cleaning articles.
  • the method according to the present invention is described in claim 23 and any of the claims directly or indirectly dependent on claim 23.
  • the numeral 1 denotes as a whole the machine for washing/dry-cleaning articles in accordance with the present invention.
  • the machine 1 comprises a drum 2 or container in which the articles to be washed/dry-cleaned are introduced.
  • the drum 2 rotates, driven by motor means of the substantially known type not described or illustrated, about an axis of rotation A perpendicular to the plane illustrated.
  • An air inlet duct 3 leads into the drum 2 , the air in particular being hot, for drying the articles held in the drum 2.
  • An outlet zone 24 extends from the drum 2, connecting the drum 2 to the machine 1 pipes, described in detail below.
  • a drying air extractor duct 4 extends from the drum 2.
  • the inlet duct 3 is fluidly connected to an air treatment apparatus 5 located above the drum 2.
  • the extractor duct 4 can also be fluidly connected to the air treatment apparatus 5 by a recirculation valve 6.
  • the air treatment apparatus 5 comprises a circuit 7 for the passage of the air which is treated, a fan 8 designed to make the air circulate in the circuit 7 and the drum 2, a condenser 9 designed to condense the vapours in the air treated, a preheater
  • the apparatus 5 also comprises a filter 12 designed to catch any volatile materials carried by the air flow, such as hairs and threads detached from the articles during drying.
  • the vapour condenser 9 consists of an evaporator inserted in a refrigerating circuit 13.
  • the preheater 10 consists of a condensing unit belonging to the refrigerating circuit 13.
  • the refrigerating circuit 13 basically comprises a refrigerant condenser split into two different units: in a first unit 14 heat is removed by exchange with a hydraulic circuit 15, and in the second, which coincides with the preheater 10, heat is removed from the refrigerant by exchange with the air circulating in the apparatus 5.
  • the heater 11 and the preheater 10 can be switched off, leaving only the condenser 9 on, so that air at a lower temperature is introduced into the drum 2, thus facilitating removal of the articles washed/dry-cleaned and dried from the drum 2.
  • the operation described above allows the articles to be cooled rapidly after they have been dried by the circulation of hot air.
  • the machine 1 comprises, in addition to the recirculation valve 6, an air inlet valve 16 and a valve 17 for air outlet to the outside.
  • valves 6, 16, 17 are operated by respective electrical, hydraulic or pneumatic actuators 18.
  • the machine 1 comprises a source of steam, not illustrated, for feeding steam to the heater 11. In particular, through two ducts, the first 19 having a smaller capacity and the second 20 having a larger capacity.
  • the source sends steam to the heater 11 which basically consists of a heat exchanger for heating air.
  • it is a coil heat exchanger.
  • the machine 1 comprises a water inlet pipe 21 for introducing water into the drum 2.
  • the pipe 21 is fed alternatively by three different sources: a first source 22a of water at room temperature, a second source 22b of water heated by heating means of the known type not illustrated, and a third source 22c of chilled water.
  • the third source 22c consists of a pipe 23 for recovery of the water from the drum 2 outlet zone 24.
  • a well or button trap 25 for collecting any parts detached from the articles being washed/dry-cleaned, such as buttons or the like.
  • a water circulating pump 26 Along the recovery pipe 23 there is a water circulating pump 26 and, downstream of the pump 26 according to the direction followed by the circuit indicated by the arrow F2 , a water cooling heat exchanger 27, fed by the refrigerating circuit 13.
  • the heat exchanger 27 may have a hot fluid flowing through it, for example steam, to heat the water to be introduced into the drum 2.
  • washing products such as soap, softening and anti-shrinking additives, taken from a plurality of reservoirs, respectively labelled 29a, 29b, 29c, 29d, 29e, 29f .
  • a valve 30 allows the recovery pipe 23 to be closed upstream of point where the pipe 28 which feeds washing products leads into it, close to the drum 2 outlet zone 24.
  • a water drainage pipe 31 also extends from the outlet zone
  • the pipe 31 feeds the water from the drum 2 to a separator collection tank 32. Along the drainage pipe 31, at the outlet zone
  • the second well 102 collects the above-mentioned parts, such as buttons or the like, which may be detached from the articles during washing with water.
  • the second well 102 is integrated in the separator tank 32.
  • the separator tank 32 allows any solvent residues to be separated out .
  • the residues float on the surface of the water and can be removed relatively easily.
  • a pump can be connected to the suction pipe 33 to extract the water from the tank 32.
  • the suction pipe 33 together with the pump, not illustrated, forms water suction means 103 for the separator tank 32.
  • a sensor 34 in the separator tank 32 for detecting the presence of the above-mentioned solvent residues.
  • the solvent presence sensor 34 can be used simply for information purposes or suitably calibrated and connected to a stop switch, not illustrated, it can stop the machine if the quantity of solvent present in the water being drained out exceeds a predetermined maximum value .
  • a pipe 35 which leads close to the air inlet valve 16 for the apparatus 5.
  • the function of the pipe 35 is, during the article drying step, to allow the circulation of hot air also in the water drainage pipe 31, and the consequent removal, by drying, of water residues, in the pipe 31.
  • the water inlet pipe 21, the water sources 22a, 22b, 22c, the recovery pipe 23, the pump 26 and the drainage pipe 31 together form a water feed and recovery circuit 36 for the machine
  • the machine 1 also comprises two tanks 37, 38, set side by side, for storage of the solvent for dry-cleaning the articles.
  • the tanks 37, 38 are inserted in a feed and recovery circuit 39 for the solvent used in the dry-cleaning cycle.
  • a solvent circulating pump 40 which, sucking the solvent from the tanks 37, 38, transfers it to the washing/dry-cleaning drum 2.
  • cooling heat exchanger 41 fed by the refrigerating circuit 13.
  • the function of the cooling heat exchanger 41 is to lower the temperature of the solvent before introducing it into the drum 2. Lowering the temperature makes the solvent less aggressive and more suitable for dry-cleaning delicate articles .
  • a first solvent inlet pipe 42 extends from the main section 39a and has a stop valve 42a.
  • valve 43 on the main section 39a, upstream of the first pipe 42 , according to the direction of flow indicated by the arrow F4.
  • a bypass circuit 44 extends from the main section 39a of the circuit 39, upstream of the valve 43.
  • the bypass circuit 44 through which the solvent flows following closure of the valve 43 , directs the solvent towards a cleaning filter 45.
  • a stop valve 44a on the bypass circuit 44.
  • the solvent, filtered in this way, can be introduced into circulation again in the first section 39a and sent towards the tanks 37, 38, or it can be sent directly into the drum 2 through a second solvent inlet pipe 46 which has a respective stop valve 46a. From the bypass circuit 44 there extends a filter 45 drainage pipe 47, the pipe 47 leading into the solvent tanks 37, 38.
  • the drainage pipe 47 is mainly used during replacement of the filter 45, which is normally of the cartridge type, which involves emptying the cartridge container 45a, which can usually hold up to several dozen litres of solvent. Therefore, when the filter 45 needs substituting, the tap
  • the hydrocarbon feed and recovery circuit 39 comprises a section 39b for connection to the main section 39a, extending from the drum 2 outlet zone 24.
  • the first collecting well 25 is located along said section 39b, the solvent drained from the drum 2 flowing into the well 25.
  • the section 39b extending from the outlet zone 24, forms, for the circuit 39, a pipe for recovery and drainage of the solvent from the drum 2.
  • the solvent drained from the drum 2 after passing through the well 25 and being separated from any residues such as the above-mentioned buttons, is again introduced, through the connecting section 39b, into the main section 39a of the circuit 39, upstream of the circulating pump 40.
  • a pump 50 fed by a corresponding tank, not illustrated, is connected to the well 25 to introduce, when necessary, predetermined quantities of soap into the solvent circulating.
  • the solvent feed and recovery circuit 39 also comprises a section 39c for connection between the air treatment apparatus 5 and the solvent tanks 37, 38.
  • the connecting section 39c extends from a zone 5a located below the condenser 9 , the zone 5a being used for the collection of the products of condensation.
  • the products of condensation of the air used for drying the articles basically consist of hydrocarbons in the liquid state and sometimes water residues .
  • a water separator 51 designed to separate the water from the solvent which can then be re-introduced into the tanks 37, 38.
  • a cooling heat exchanger 52 advantageously fed with water or connected to the refrigerating circuit 13, designed to speed up decantation of the solvent in the separator 51.
  • machine 1 operation involves placing articles to be washed/dry-cleaned in the drum 2 and running a washing cycle with water during which the water, along with soap and suitable additives, is circulated in the drum 2.
  • the water flowing out of the drum 2 is recovered through the pipe 23 and re-introduced into the drum 2 thanks to the pump 26.
  • the water recovered Before re-entering the drum 2 the water recovered may be chilled by yielding heat to the cooling heat exchanger 27.
  • the washing cycle with water ends with a step of rinsing the articles, following opening of the valve 101 and closing of the valve 30, draining the water through the drainage pipe 31.
  • the water flowing through the pipe 31 is introduced into the separator tank 32 in which the water is separated from any solvent residues using the methods described above.
  • the articles, kept in the drum 2 are dried by circulation of a hot air current.
  • the air treatment apparatus 5 has the recirculation valve 6 closed and the inlet valve 16 and outlet valve 17 open.
  • the air sucked into the apparatus 5 and heated by the preheater 10 and the heater 11 is sent into the drum 2 through the inlet duct 3 and expelled to the outside through the extractor duct 4.
  • the hot air flowing out of the drum 2 circulates in the entire zone between the drum 2 outlet zone 24 and the separator tank 32 so as to dry the water present in the pipe 31.
  • the pipe 35 is of significant importance, since it is through this that the hot air introduced into the pipe 31 and the separator tank 32 is expelled to the outside, close to the valve 16.
  • the solvent as already described above, is introduced into the drum 2 through the first and second inlet pipes 42, 46 which, advantageously, lead one into the front part and the other into the rear part of the drum 2.
  • the solvent is circulated in the drum 2 and, obviously, along the feed and recovery circuit 39.
  • the articles, kept in the drum 2 are dried by circulation of a hot air current .
  • the air treatment apparatus 5 has the recirculation valve 6 open and the inlet valve 16 and outlet valve 17 closed.
  • the air is heated in the apparatus 5 by the preheater 10 and the heater 11, is sent into the drum 2 through the inlet duct 3 and re-introduced into the apparatus 5 through the extractor duct 4.
  • the air re-introduced into the apparatus 5 circulates through the condenser 9 where the solvent vapours and any water vapours present in the air condense.
  • the air which is substantially dry because its moisture has been removed again passes towards the preheater 10 and the heater 11 and is then re-introduced into the drum 2.
  • part of the hot air flow directed into the drum 2 is channelled into the duct 104, to dry any solvent residues from both the collecting well 25 and its contents, if any, and from the machine outlet zone 24, at the valve 100.
  • Using drying to remove any solvent, even if only traces are present, at the drum 2 outlet zone 24, means that during a subsequent step of washing with water the water is not contaminated with the solvent . Therefore, the drying action described above makes it possible to perfectly dry solvent from the only zone of the machine 1 through which both the solvent and the water pass .
  • the products of condensation of the solvent vapours and water vapours are sent to the separator 51, which separates the water from the solvent, the latter being sent through the pipe
  • this process is facilitated by the presence of the cooling heat exchanger 52 which speeds up decantation of the solvent.
  • the preheater 10 and the heater 11 can be switched off so as to circulate, in the drum 2, air which is not particularly hot, thus facilitating the removal of articles from the drum 2 by the operators. It is basically a cooling step for the articles washed/dry-cleaned and dried.
  • solvent refers to any type of solvent used for dry-cleaning articles such as clothes and the like, for example hydrocarbon-based or comprising hydrocarbons, in particular synthetic and/or siloxane hydrocarbons.
  • hydrocarbon-based or comprising hydrocarbons in particular synthetic and/or siloxane hydrocarbons.
  • solvents belonging to the category indicated or similar to it are commercially known as Actrel® 3356 D, Actrel® DF 2000, GreenEarth SM .

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

La présente invention concerne une machine (1) pour laver/nettoyer à sec et sécher des articles tels que des tissus, du linge de maison, des serviettes, des rideaux et éléments analogues qui comprend un tambour rotatif (2) recevant les articles, un circuit de récupération et d’eau (36) et un circuit de récupération et d’alimentation de solvant de nettoyage à sec (39).
EP05806759A 2005-07-22 2005-11-22 Machine et procédé pour laver et/ou nettoyer à sec des articles Withdrawn EP1907617A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05806759A EP1907617A1 (fr) 2005-07-22 2005-11-22 Machine et procédé pour laver et/ou nettoyer à sec des articles

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05425531 2005-07-22
PCT/IB2005/003609 WO2007010327A1 (fr) 2005-07-22 2005-11-22 Machine et procédé pour laver et/ou nettoyer à sec des articles
EP05806759A EP1907617A1 (fr) 2005-07-22 2005-11-22 Machine et procédé pour laver et/ou nettoyer à sec des articles

Publications (1)

Publication Number Publication Date
EP1907617A1 true EP1907617A1 (fr) 2008-04-09

Family

ID=36101515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05806759A Withdrawn EP1907617A1 (fr) 2005-07-22 2005-11-22 Machine et procédé pour laver et/ou nettoyer à sec des articles

Country Status (2)

Country Link
EP (1) EP1907617A1 (fr)
WO (1) WO2007010327A1 (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7730568B2 (en) 2006-06-09 2010-06-08 Whirlpool Corporation Removal of scale and sludge in a steam generator of a fabric treatment appliance
US7941885B2 (en) 2006-06-09 2011-05-17 Whirlpool Corporation Steam washing machine operation method having dry spin pre-wash
US7765628B2 (en) 2006-06-09 2010-08-03 Whirlpool Corporation Steam washing machine operation method having a dual speed spin pre-wash
US7665332B2 (en) 2006-08-15 2010-02-23 Whirlpool Corporation Steam fabric treatment appliance with exhaust
US7707859B2 (en) 2006-08-15 2010-05-04 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance
US7841219B2 (en) 2006-08-15 2010-11-30 Whirlpool Corporation Fabric treating appliance utilizing steam
US7886392B2 (en) 2006-08-15 2011-02-15 Whirlpool Corporation Method of sanitizing a fabric load with steam in a fabric treatment appliance
US7681418B2 (en) 2006-08-15 2010-03-23 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor
US7753009B2 (en) 2006-10-19 2010-07-13 Whirlpool Corporation Washer with bio prevention cycle
KR20080095502A (ko) * 2007-04-24 2008-10-29 삼성전자주식회사 드럼세탁기 및 이를 이용한 세탁방법
US8393183B2 (en) 2007-05-07 2013-03-12 Whirlpool Corporation Fabric treatment appliance control panel and associated steam operations
US8555676B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7918109B2 (en) 2007-08-31 2011-04-05 Whirlpool Corporation Fabric Treatment appliance with steam generator having a variable thermal output
US8555675B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7690062B2 (en) 2007-08-31 2010-04-06 Whirlpool Corporation Method for cleaning a steam generator
US7966683B2 (en) 2007-08-31 2011-06-28 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US7861343B2 (en) 2007-08-31 2011-01-04 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US8037565B2 (en) 2007-08-31 2011-10-18 Whirlpool Corporation Method for detecting abnormality in a fabric treatment appliance having a steam generator
US7905119B2 (en) 2007-08-31 2011-03-15 Whirlpool Corporation Fabric treatment appliance with steam generator having a variable thermal output
CN107447426A (zh) * 2017-09-29 2017-12-08 夏冰 一种可水洗可干洗一体机
IT202200002546U1 (it) * 2022-06-16 2023-12-16 Next Tech Tecnotessile Societa Nazionale Di Ricerca R L Impianto di separazione di materiali

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Publication number Priority date Publication date Assignee Title
WO2005019517A1 (fr) * 2003-08-25 2005-03-03 Cdk Co., Ltd. Machine a laver pour lavage a l'eau et lavage a l'huile pourvue d'une fonction autodiagnostic et d'une fonction de mise en reseau

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US3035428A (en) * 1959-08-10 1962-05-22 Richard A Curtis Dry cleaner apparatus
DE1912503A1 (de) * 1969-03-12 1970-10-01 Gerhard Dieterle Reinigungsmaschine fuer Textilien
GB1448780A (en) * 1973-04-30 1976-09-08 Mc Graw Edison Co Combination solvent-water bath laudnry system
DE2854791A1 (de) * 1978-12-19 1980-07-10 Seco Maschinenbau Gmbh & Co Kg Verfahren und einrichtung zum reinigen von textilien
JP2846757B2 (ja) * 1992-01-23 1999-01-13 富士車輌株式会社 クリーニング装置
DE19619269C2 (de) * 1996-05-13 2000-06-21 Wack O K Chemie Gmbh Verfahren und Vorrichtung zum maschinellen Reinigen von Gegenständen

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Publication number Priority date Publication date Assignee Title
WO2005019517A1 (fr) * 2003-08-25 2005-03-03 Cdk Co., Ltd. Machine a laver pour lavage a l'eau et lavage a l'huile pourvue d'une fonction autodiagnostic et d'une fonction de mise en reseau

Non-Patent Citations (1)

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Title
See also references of WO2007010327A1 *

Also Published As

Publication number Publication date
WO2007010327A1 (fr) 2007-01-25

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