EP0082443B1 - Appareillage de nettoyage à sec pour articles textiles - Google Patents
Appareillage de nettoyage à sec pour articles textiles Download PDFInfo
- Publication number
- EP0082443B1 EP0082443B1 EP82111476A EP82111476A EP0082443B1 EP 0082443 B1 EP0082443 B1 EP 0082443B1 EP 82111476 A EP82111476 A EP 82111476A EP 82111476 A EP82111476 A EP 82111476A EP 0082443 B1 EP0082443 B1 EP 0082443B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- circulation
- filter
- solvent
- line
- 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
Links
- 238000005108 dry cleaning Methods 0.000 title 1
- 238000009434 installation Methods 0.000 title 1
- 239000004753 textile Substances 0.000 title 1
- 239000002904 solvent Substances 0.000 claims description 63
- 238000004140 cleaning Methods 0.000 claims description 22
- 239000004744 fabric Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 7
- 238000000034 method Methods 0.000 description 11
- 238000005406 washing Methods 0.000 description 11
- 238000001035 drying Methods 0.000 description 10
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000004821 distillation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- 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
- D06F43/08—Associated apparatus for handling and recovering the solvents
- D06F43/086—Recovering the solvent from the drying air current
-
- 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
- D06F43/08—Associated apparatus for handling and recovering the solvents
- D06F43/081—Reclaiming or recovering the solvent from a mixture of solvent and contaminants, e.g. by distilling
- D06F43/085—Filtering arrangements; Filter cleaning; Filter-aid powder dispensers
Definitions
- Articles made of fabric are chemically cleaned by placing the items in a treatment room, e.g. a rotating drum, first washed with a dirt-dissolving solvent, which flows around in a circuit and is filtered outside the treatment room in a dirt filter device, after which the solvent supply is interrupted, the solvent is drained out of the treatment room and the objects are thrown and then in one exposes a second circuit flowing hot air flow, which dries the objects and evaporates the solvent still adhering, which is removed from the warm air flow by condensation.
- the dirt filter device is cleaned from time to time or its filter is replaced.
- the invention relates to a cleaning system for carrying out this method, i.e. to a cleaning system for chemical cleaning of objects made of fabric, e.g. Dresses, e.g. treatment chamber formed by a rotatable drum, which is connected to a solvent circuit and to a hot air circuit to be operated after it, into each of which a conveying device is connected and of which the solvent circuit contains a dirt filter device, while in the warm air circuit an air cooler with a condensate separator and an air cooler downstream air heaters are included.
- a cleaning system for chemical cleaning of objects made of fabric e.g. Dresses, e.g. treatment chamber formed by a rotatable drum, which is connected to a solvent circuit and to a hot air circuit to be operated after it, into each of which a conveying device is connected and of which the solvent circuit contains a dirt filter device, while in the warm air circuit an air cooler with a condensate separator and an air cooler downstream air heaters are included.
- Such systems are e.g. known from DE-A-1 760 193.
- the washed-out dirt collects in the filter device during the washing process, so that the dirt filter device has to be cleaned or the filter insert contained therein must be replaced again and again, depending on its design.
- the procedure is such that the resulting filter cake is shaken off together with the solvent of the solvent circuit into a distillation container, which is part of a preparation device for preparing the solvent for a further purification process (in this distillation process, for example Dyes or bacteria removed from the solvent).
- this distillation process for example Dyes or bacteria removed from the solvent.
- this leads to contamination of the distillation device, so that the problem of dirt removal is only shifted.
- disposable filters e.g. of paper
- there are also disposal problems The dirt adhering to the filter always contains solvents, so that for environmental reasons, the filter cannot be thrown away, but must be treated as special waste, which is removed by specialist companies. This is cumbersome and expensive.
- a first air duct branches off from the warm air circuit after the air heater, which is connected to the input side of the filter device and that a second air device leads back to the warm air circuit from the output side of the filter device.
- the system shown in Fig. 1 is used for the chemical cleaning of objects made of fabric, e.g. Clothes, curtains, etc.
- a cleaning drum 2 is contained in the system housing 1, which is rotatably mounted on the housing 1 and in the treatment room 3 enclosed by it, the objects to be cleaned are entered. These items. are washed in a first process step with a solvent that removes the dirt.
- the treatment room 3 is connected to a solvent circuit 4.
- This comprises a solvent container 5, from which the solvent is removed by means of a conveyor 7 in the form of a pump via a line section 6. Following the conveying device 7, the solvent reaches a filter device 8 with a filter 9 via the line section 10 arranged upstream of the filter device 8.
- the solvent enters the filter device at the inlet side and flows through the filter 9, on which the solvent is located Dirt settles and leaves the filter device on the outlet side, from where it reaches the drum 2 via a line section 11 of the solvent circuit, which is downstream of the filter device 8, to the drum 2, in the treatment chamber 3 of which the solvent is introduced in the axial direction.
- the solvent then flows out of the drum housing 1 via the lower outlet 12 and returns to the storage container 5 via a lint filter 13.
- the solution Medium supply to the treatment room 3 is interrupted, the washed objects are spun in the drum, and the spun off solvent is allowed to run off into the storage container 5.
- the solvent also flows back out of the filter device 8 into the container 5, which can take place via the line section 10 or the line section 11, depending on the special arrangement of the solvent circuit.
- the treatment room 3 is connected to a further circuit, namely to a warm air circuit which flows around the drum 2 and a drum housing attachment 14. After washing and spinning, the objects in the drum are exposed to this warm air stream for drying, and the solvent still adhering is also evaporated.
- the hot air flow emerges from the treatment room 3 at an upper radial outlet 15 of the drum housing 1, flows through a further lint filter 16 and arrives in the treatment room 3 via an air cooler 17, an air heater 18 arranged downstream of the air cooler in the flow direction, and via an upper radial inlet 19 back.
- the air cooler 17 is assigned a condensate separator (not shown), in which the solvent condensing at this point is separated from the hot air stream, so that the air subsequently heated in the air heater 18 frees from the solvent and re-enters the treatment room 3.
- the hot air flow is maintained by a second conveyor, which is arranged in the housing extension 14 between the lint filter 16 and the air cooler 17 and of which only the motor 20 is shown.
- the dried objects in the drum 2 are still ventilated with circulating air or fresh air.
- the drum housing 1 has a fresh air flap 21, indicated by dashed lines, which is opened after the drying process.
- the conveying device 20 of the hot air circuit remains switched on, so that the fresh air flowing into the treatment room from the surroundings reaches the housing extension 14 via the outlet 15.
- the circulating air or fresh air flows through the lint filter 16 and the air cooler 17, so that, in turn, any residues of the solvent that may have been carried along are removed by condensation.
- the air cleaned in this way is then blown to the outside via an outlet flap 22 between air cooler 17 and air heater 18. It goes without saying that the flap 22, like the flap 21, is closed in the preceding method steps.
- the dirt filter device 8 must be cleaned from time to time or the filter 9 contained in it must be replaced. There is now the difficulty that the dirt accumulated here is soaked with solvent after the washing process, so that for reasons of environmental protection the filter 9 cannot simply be thrown away or cleaned, for example, by rinsing. Without additional measures, the dirt is a special waste, for the removal of which legal regulations must be observed.
- a part of the hot air flow mentioned flows through the filter device 8, so that this in or Any dirt collected evaporates and is carried away by the hot air flow.
- the named part of the hot air flow is branched off to the filter device 8 after the condensation point, that is to say after the air cooler 17.
- the branch point is also arranged after the air heater 18 of the warm air circuit, so that cleaned hot air enters the filter device.
- An air line 25 is used for this purpose, which is connected from the housing extension 14 to the input side of the filter device 8. This air line 25 can be switched off and remains closed during the washing process.
- a valve 26 serves this purpose.
- a second air line leads back to the warm air circuit, specifically into the treatment room 3.
- this second air line is formed by the line section 11 of the solvent circuit, which lies downstream of the filter device 8 and connects it to the treatment room 3, so that the latter Line section 11 fulfills a double function.
- a circulating air connection for example in the form of a circulating air flap 27 indicated by dashed lines in FIG. 1, on the inlet side of the filter device 8. This is of course closed during the preceding method steps.
- the two circulating air flows coming from the flaps 21 and 27 thus return in the treatment room 3 and are blown off via the flap 22.
- the circulating air connections formed by the flaps 21, 22, 27 can be operated simultaneously within the program sequence of the cleaning process. It goes without saying that the actuation of the valve 26 and the actuation of the two illustrated shut-off valves 28, 29 in the solvent circuit as well as any further valves or organs controlling the process sequence are not actuated manually, but automatically.
- FIGS. 2 and 3 show a special embodiment of the filter device 8 in two different operating positions.
- This filter device has a filter housing 30 into which the first air line 25, the line section 11 of the solvent circuit forming the second air line and downstream of the filter device 8 and the line section 10 of the solvent circuit upstream of the filter device 8 open. 2, only the opening of the first air line 25 into the filter container is visible, which is located on the rear side of the housing 30 below the plane of the drawing.
- the line section 10 of the solvent circuit is divided into two sections 10a, 1 Ob, whereby these two hoses or pipes unite to the conveying device 7 and run in the area of the filter device 8 on both sides of the centrally arranged line section 11.
- the filter 9, which has a flat shape at right angles to the vertical filter plane and can be formed by a paper filter, is arranged at the funnel-shaped mouth end 31 of the downstream line section 11 of the solvent circuit.
- the mouths of the line sections 10, 11 are located on the same side of the housing 30, specifically in the exemplary embodiment on the underside 32 of the housing, where they are arranged at a fixed distance from one another.
- the mouths of the two line sections 10, 11 can be connected to one another and separated from one another by means of an actuating device 33 that can be actuated from the outside, in that in the exemplary embodiment they are assigned a connecting device 34 seated on the actuating device 33, which between a position connecting the mouths (FIG. 2) and a position separating the orifices (FIG. 3) is adjustable. 2 in the position of FIG. 2 in the manner of a removable cover on the two mouths of the line sections 10, 11, the sealing measures required for this are not shown.
- the solvent can get through the two sections 10a, 10b of the line section 10 into the two angled arms 35, 36 of the connecting device 34, which are each arranged on one side of a central bell-shaped part 37 and the free ends of the sections 10a, 10b are opposite. From the arms 35, 36 the solvent enters through openings in the central part 37, according to the arrows, where the solvent combines and reaches the filter 9 on the open, widening underside of this part. The solvent then penetrates the filter 9 and flows out through the line section 11.
- the e.g. plate-shaped filter 9 rests on a filter grate 40, which in turn rests on the wall of the mouth region of the line section 11.
- the filter 9 is fixed by the central part 37 of the connecting device 34 which forms a type of cover, which sits on the edge of the filter 9 and is pressed against it.
- flat filter also includes e.g. a zigzag-shaped fold is to be understood, the main extension of which, however, runs in one plane, expediently in the horizontal.
- the actuating device 33 is formed by a rod or the like, which penetrates the opposite side of the housing 30 and is resiliently connected to the connecting device 34 by means of a spring 41.
- the connecting device 34 is pressed resiliently against the mouths of the line sections 10, 11 by means of the rod 33 or the like.
- the actuating device formed by the rod 33 or the like can be e.g. are operated pneumatically, the adjustment of the actuating device in order to transfer the connecting device either into the position according to FIG. 2 or into that of FIG. 3 can be integrated into the program sequence of the system.
- the circulating air flap 27, the function of which has already been described above, is also articulated on the filter housing 30.
- a flap a circulating air connection or the like controlled by a valve can also be present.
- the solvent can run off well after the solvent circuit has been switched off.
- the cover-like connecting device 34 is raised, so that the air line 25 is connected to the line section 11 within the filter housing 30 and the hot air can flow through the filter insert 9 and the adhering dirt.
- the hot air penetrating into the mouth of the upstream line section 11 only presses the solvent of the solvent circuit back into the reservoir 5 or is present at the then closed shut-off valve 28, so that no hot air can escape here.
- the recirculation flap is on the filter during this hot air drying of the filter dirt housing 30 still closed. Then the air recirculation flap 27 is opened, whereby the valve 26 can be closed so that the filter dirt is still aerated.
- the filter insert 9 which can be formed, for example, by a filter paper or a filter fleece, can be removed via a door of the filter housing 30 and discarded. It is also possible to wash out the filter so that it can be used again.
- a blower 43 can be connected to the bypass containing the filter device 8 to the warm air circuit, which increases the throughput of the warm air through the filter device. In this way, the filter or the accumulated dirt can be dried even faster, and thicker filter cakes can be flowed through.
- This blower can either be connected in the first air line 25 or - as in the exemplary embodiment - in the second air line, which in the exemplary embodiment is formed by the line section 11 of the solvent circuit located downstream of the filter device 8 and connecting it to the treatment chamber 3.
- the second one may be more appropriate for reasons of space.
- an arrangement of the blower in the second air line is favorable with regard to the recirculating air flap 27 on the inlet side of the filter device 8, since in this way the blower 43 then draws in an increased amount of recirculating air through the flap 27 to the warm air.
- the blower 43 or its motor is operatively connected to the conveying device 20 of the warm air circuit in such a way that both are switched off or on simultaneously.
- the first air line 25 opens in the area of the outlet of the air heater 18 and is expediently drawn within the system housing 1 to the outlet of the air heater, that is to the hottest point, as indicated by the broken line.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82111476T ATE16122T1 (de) | 1981-12-17 | 1982-12-10 | Reinigungsanlage zum chemischen reinigen von gegenstaenden aus stoff. |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3150015 | 1981-12-17 | ||
DE19813150015 DE3150015C2 (de) | 1981-12-17 | 1981-12-17 | Verfahren zum chemischen Reinigen von Gegenständen aus Stoff und Reinigungsanlage zur Durchführung des Verfahrens |
DE19823239937 DE3239937A1 (de) | 1982-10-28 | 1982-10-28 | Reinigungsanlage zum chemischen reinigen von gegenstaenden aus stoff |
DE3239937 | 1982-10-28 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0082443A2 EP0082443A2 (fr) | 1983-06-29 |
EP0082443A3 EP0082443A3 (en) | 1984-04-11 |
EP0082443B1 true EP0082443B1 (fr) | 1985-10-16 |
Family
ID=25798069
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82111476A Expired EP0082443B1 (fr) | 1981-12-17 | 1982-12-10 | Appareillage de nettoyage à sec pour articles textiles |
Country Status (2)
Country | Link |
---|---|
US (1) | US4483160A (fr) |
EP (1) | EP0082443B1 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3671261D1 (de) * | 1985-02-14 | 1990-06-21 | Walter Jost | Reinigungsmaschine zum chemischen reinigen von gegenstaenden aus stoff. |
DE3823652A1 (de) * | 1987-08-04 | 1989-02-16 | Seitz Enzinger Noll Masch | Verfahren zum reinigen von loesungsmitteln sowie filtereinrichtung zum durchfuehren dieses verfahrens |
US4984318A (en) * | 1989-06-28 | 1991-01-15 | Coindreau Palau Damaso | Method and system for the recovering of solvents in dry cleaning machines |
US5159766A (en) * | 1989-12-02 | 1992-11-03 | Hans Henig | Apparatus for drying galvanized mass-produced parts |
IT1238545B (it) * | 1990-04-06 | 1993-08-18 | Sodibo Spa | Circuito ausiliario per il filtro prendispilli in macchine lavasecco. |
KR930004677Y1 (ko) * | 1991-06-11 | 1993-07-22 | 삼성전자 주식회사 | 삶아 세탁하는 세탁기의 응축수단을 갖는 수조뚜껑 |
US5222267A (en) * | 1992-01-17 | 1993-06-29 | Fierro James V | Industrial rag cleaning process for the environmentally safe removal of petroleum-based solvents |
US5309587A (en) * | 1992-01-17 | 1994-05-10 | Fierro James V | Industrial rag cleaning process |
US5940988A (en) * | 1998-02-23 | 1999-08-24 | Eisen; Daniel | Apparatus and method for dry cleaning |
US6227214B1 (en) * | 1998-10-02 | 2001-05-08 | Mansur Industries Inc. | Vapor containment and recovery system on a general parts washer apparatus |
US6691536B2 (en) * | 2000-06-05 | 2004-02-17 | The Procter & Gamble Company | Washing apparatus |
US20050204478A1 (en) * | 2004-03-16 | 2005-09-22 | Middleton Richard G | Method for cleaning textile absorbers |
KR101253150B1 (ko) * | 2006-04-17 | 2013-04-10 | 엘지전자 주식회사 | 건조기 및 그 제어방법 |
CN106988090A (zh) * | 2017-05-31 | 2017-07-28 | 江苏海狮机械股份有限公司 | 皮草干洗系统 |
CN110438781B (zh) * | 2019-09-09 | 2023-10-27 | 珠海格力电器股份有限公司 | 烘干风道、衣物处理设备及烘干风道的清洁方法 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US626991A (en) * | 1899-06-13 | eberhard | ||
US1531257A (en) * | 1920-04-23 | 1925-03-24 | Bluford W Brockett | Delinting device for drying tumblers |
US1595344A (en) * | 1924-01-31 | 1926-08-10 | Frank B Lomax | Filter |
US2019011A (en) * | 1934-04-16 | 1935-10-29 | American Laundry Mach Co | Dry cleaning apparatus |
US2198412A (en) * | 1935-01-02 | 1940-04-23 | Engineering Inc | Removal and recovery of solvent |
US2301803A (en) * | 1939-08-19 | 1942-11-10 | Prosperity Co Inc | Method and apparatus for recovering liquid |
US2784843A (en) * | 1954-08-10 | 1957-03-12 | American Viscose Corp | Filter construction |
US3190449A (en) * | 1956-06-11 | 1965-06-22 | Hans Mueller | Filter apparatus |
US3029948A (en) * | 1957-09-16 | 1962-04-17 | Phillips Petroleum Co | Filtering technique |
AT222663B (de) * | 1961-06-13 | 1962-08-10 | Mueller Hans | Verfahren zum Trocknen von auf den Elementen von Scheibendrehfiltern befindlichen Rückständen und Einrichtung zur Durchführung desselben |
DE1460206A1 (de) * | 1963-08-30 | 1968-12-19 | Zolra Ag | Verfahren fuer eine Kleiderreinigungsanlage und Einrichtung zur Durchfuehrung desselben |
ES353079A1 (es) * | 1967-04-13 | 1970-01-16 | Domini | Mejoras en los aparatos de lavado en seco. |
DE1932977C3 (de) * | 1969-06-28 | 1974-08-01 | Neurematic - Maschinenbau W. Jaeger Kg, 7503 Neureut | Vorrichtung zur Rückgewinnung des flüchtigen Reinigungsmittels einer Textilreinigungsmaschine |
GB1351302A (en) * | 1971-06-25 | 1974-04-24 | Neil & Spencer Ltd | Dry cleaning apparatus |
DE2657030C3 (de) * | 1976-12-16 | 1981-02-19 | Carl Schleicher & Schuell Gmbh & Co Kg, 3352 Einbeck | Druckfiltrationszelle |
SU683778A1 (ru) * | 1978-02-06 | 1979-09-05 | Предприятие П/Я В-8611 | Нутч-фильтр |
SE434218B (sv) * | 1979-06-29 | 1984-07-16 | Hans Eskil Asp | Sett att rengora en filteryta pa dess plats i en tryckfilteranleggning for vetskor och tryckfilteranleggning for genomforande av settet |
-
1982
- 1982-12-10 EP EP82111476A patent/EP0082443B1/fr not_active Expired
- 1982-12-14 US US06/449,797 patent/US4483160A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0082443A2 (fr) | 1983-06-29 |
US4483160A (en) | 1984-11-20 |
EP0082443A3 (en) | 1984-04-11 |
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