EP2024552A1 - Kondensationstrockner mit einer prozessluftspirale, und verfahren zum trocknen in einem solchen kondensationstrockner - Google Patents
Kondensationstrockner mit einer prozessluftspirale, und verfahren zum trocknen in einem solchen kondensationstrocknerInfo
- Publication number
- EP2024552A1 EP2024552A1 EP07727968A EP07727968A EP2024552A1 EP 2024552 A1 EP2024552 A1 EP 2024552A1 EP 07727968 A EP07727968 A EP 07727968A EP 07727968 A EP07727968 A EP 07727968A EP 2024552 A1 EP2024552 A1 EP 2024552A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- process air
- condensation dryer
- collecting vessel
- water
- fan
- 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
Links
- 238000000034 method Methods 0.000 claims description 93
- 238000009833 condensation Methods 0.000 claims description 42
- 230000005494 condensation Effects 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000001035 drying Methods 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
-
- 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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/24—Condensing arrangements
Definitions
- the invention relates to a condensation dryer having a drying chamber and a process air circuit for circulating process air through the drying chamber, wherein the process air circuit from the drying chamber first to a condenser for cooling the process air, separating water from the process air and collecting the water in a first collecting vessel, thereafter to a first fan for driving the process air, then to a heater for heating the process air and then back to the drying chamber, and wherein the first fan has a rotor and a stator formed as a process air spiral.
- the invention relates to a method for drying laundry in such a condensation dryer.
- a condensation dryer In a condensation dryer (condensation dryer) work generally a closed hot air circuit (process air circuit) and an open cooling air flow.
- process air circuit process air circuit
- the laundry to be dried In the hot air circulation, the laundry to be dried is heated by means of flowing process air, the water being absorbed and transported to a heat exchanger (condenser). There, the water contained in the process air condenses due to cooling with the cooling air and is separated from the process air and collected in a condensate tank.
- the dehumidified process air is reheated by a heating unit and then passed through the laundry to be dried again.
- a condensation dryer is generally a process air blower, in the lower part of which the wet laundry entzogener enriched. This is especially true when the condensation dryer is at a standstill.
- the lower part of the process air blower by design, is generally lower than the condensate tank used to catch the water from the process air used to dry the wet laundry.
- a blower in a spiral housing in particular for use in a condensation dryer, is apparent from EP 1 046 822 B1, EP 0 702 105 B1 or U.S. Patent 5,915,922.
- a condenser for a condensation dryer is described in EP 1 050 618 B1.
- the object of the invention is therefore to provide a condensation dryer and a method in which the water accumulating in the process air blower can be removed and, in particular, transferred to a condensate container for disposal by an operator.
- the condensation dryer according to the invention with a drying chamber and a process air circuit for circulating process air through the drying chamber, wherein the process air circuit from the drying chamber first to a condenser for cooling the process air, separating water from the process air and collecting the water in a first collecting vessel, then to a first blower for driving the process air, then to a heater for heating the process air and then leads back to the drying chamber, and wherein the first fan has a rotor and a stator formed as a process air spiral, characterized in that between the process air spiral and the first collecting vessel a guide arrangement is formed, through which water from the fan can be transported into the first collecting vessel.
- the inventive method for drying laundry with such a condensation dryer is characterized by water, which collects in the process air spiral, formed by the between the process air coil and the first collecting vessel guide assembly by means of an adjusting between the condenser and the fan pressure difference in the first Collecting vessel is transported.
- a condensation dryer in which the guide arrangement has an opening in the process air spiral, a second one communicating with the fan via the latter Collecting vessel, in which water from the process air spiral can drip, and a communicating with the second receptacle and the first receptacle pipe socket comprises.
- water that enters the process air spiral drip easily into the second receptacle, so that the process air coil can be kept largely dry.
- the second collecting vessel is brought through a pipe socket in the necessary communication with the first collecting vessel, so that a structurally possibly required height difference between the process air coil and the condenser or communicating with this first collecting vessel can be bridged, taking advantage of a pressure difference between suction and Pressure side of the blower.
- a condensation dryer is preferred in which the opening is located at the vertically lowest point of the process air spiral.
- the condensation dryer according to the invention may be a dryer with or without a heat pump cycle.
- condensation dryer in which the first blower is a centrifugal blower.
- a particularly preferred condensation dryer is characterized in that the first collecting vessel communicates with a condensate container above it for collecting the water.
- a condensate container In such a condensate container, collected condensate including the water carried from the process air coil can be easily provided for disposal by an operator.
- a likewise particularly preferred condensation dryer has an open or closed cooling air duct, through which the condenser can be supplied with cooling air from an environment of the condensation dryer by means of a second blower and led out of the condensation dryer after cooling the process air.
- At standstill of the condensation dryer ie at standstill of the stator or fan wheel in the first fan, prevails atmospheric pressure in the lower region or at the lowest point of the process air spiral.
- the fan in the fan in the flow direction of the process air in front of the blower (fan wheel) is a negative pressure, while behind there is an overpressure.
- the invention has numerous advantages. So there is no condensate in the
- FIG. 1 shows a condensation dryer
- FIG. 2 shows the region in the condensation dryer in which the process air spiral is located.
- the condensation dryer 1 has a drying chamber 2, into which the material to be dried, generally linen, is filled.
- the drying chamber 2 can be driven by a motor, not shown.
- a first blower 7 By means of a first blower 7, the drying chamber 2 is supplied with the process air heated by means of a heater 13 in the direction of the arrow.
- the air fed to the condensation dryer 1 is conducted in a closed process air circuit 3,4,5.
- the moisture-enriched process air flows into the condenser 10, where the moisture is condensed in the condenser 10 as a function of the cooling and collected in a first collecting vessel 11.
- the process air dried in this way is then passed through the first fan 7 through a heater 13 and heated.
- the first receptacle 1 1 is located in the vicinity of the capacitor 10 and thus at a very low-lying and difficult to reach for a non-expert operator place.
- the water is pumped from the first receptacle 1 1 in a more accessible condensate tank 14; a designated pump is not shown for clarity.
- the condensate tank 14 can be easily emptied after each use of the condensation dryer 1.
- the location of the process air coil 20 is only indicated in the schematic drawing of FIG.
- a second collecting vessel 12 which is connected via a pipe socket 19 with the overlying first collecting vessel 1 1.
- the first fan 7 and the second fan 8 which promotes cooling air for the condenser 10, by a common motor, which is located in a drive unit 6, driven.
- the drive of the two fans 7 and 8 can also be done separately.
- the process air circuit 3, 4, 5 need not necessarily be closed; if necessary, it is possible to change between an open and a closed process air circuit 3, 4, 5 by means of a suitable system of flaps or the like.
- the process air circuit is closed for the sake of simplified illustration.
- the condensation dryer 1 according to FIG. 1 has an open cooling air duct 9, in which a cooling air flow from the cooling air inlet 15 to the cooling air outlet 16 is conveyed.
- a closed cooling air flow circuit is possible, or the condenser 10 and the heater 13 may be components of a heat pump.
- FIG. 2 shows the region in the condensation dryer in which the process air coil 20 is located (in section 4 of the process air cycle).
- the process air entering in the arrow direction in section 4 of the process air cycle is conveyed by means of a first blower 7, 20 with rotor or fan wheel 7 and stator or process air coil 20 into the section 5 of the process air cycle (see arrow direction).
- a first blower 7, 20 with rotor or fan wheel 7 and stator or process air coil 20 into the section 5 of the process air cycle (see arrow direction).
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006021828A DE102006021828A1 (de) | 2006-05-10 | 2006-05-10 | Kondensationstrockner mit einer Prozessluftspirale, und Verfahren zum Trocknen in einem solchen Kondensationstrockner |
| PCT/EP2007/053500 WO2007128641A1 (de) | 2006-05-10 | 2007-04-11 | Kondensationstrockner mit einer prozessluftspirale, und verfahren zum trocknen in einem solchen kondensationstrockner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2024552A1 true EP2024552A1 (de) | 2009-02-18 |
| EP2024552B1 EP2024552B1 (de) | 2010-03-10 |
Family
ID=38197813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07727968A Not-in-force EP2024552B1 (de) | 2006-05-10 | 2007-04-11 | Kondensationstrockner mit einer prozessluftspirale, und verfahren zum trocknen in einem solchen kondensationstrockner |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2024552B1 (de) |
| AT (1) | ATE460526T1 (de) |
| DE (2) | DE102006021828A1 (de) |
| WO (1) | WO2007128641A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009080577A1 (de) * | 2007-12-20 | 2009-07-02 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrocknungsgerät mit einem prozessluftkanal |
| DE102007061523A1 (de) * | 2007-12-20 | 2009-06-25 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrocknungsgerät und Verfahren zum Betreiben desselben |
| DE102009003170A1 (de) | 2009-05-15 | 2010-12-02 | BSH Bosch und Siemens Hausgeräte GmbH | Lüfterrad, Gebläse mit einem Lüfterrad, Wäschetrocknungsgerät mit einem Gebläse und Verfahren zum Herstellen eines Lüfterrads |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3875681A (en) * | 1974-02-27 | 1975-04-08 | Gen Electric | Condenser apparatus |
| FR2664625B1 (fr) * | 1990-07-10 | 1993-12-24 | Ciapem | Seche-linge a turbine. |
| DE4106713A1 (de) * | 1991-03-02 | 1992-09-03 | Bauknecht Hausgeraete | Kondensationswaeschetrockner |
| DE4238546A1 (de) * | 1992-11-14 | 1994-05-19 | Bauknecht Hausgeraete | Wäschetrockner |
| DE4432567A1 (de) * | 1994-09-13 | 1996-03-14 | Bosch Siemens Hausgeraete | Gehäuse für ein Gebläse in einem Haushaltgerät, insbesondere in einem Haushalt-Wäschetrockner |
| US5806204A (en) * | 1997-06-13 | 1998-09-15 | Mmats, Inc. | Material dryer using vacuum drying and vapor condensation |
| EP1050618B1 (de) * | 1999-04-08 | 2003-10-15 | BSH Bosch und Siemens Hausgeräte GmbH | Wärmetauscher für Haushaltwäschetrockner |
| DE19918085A1 (de) * | 1999-04-21 | 2000-10-26 | Bsh Bosch Siemens Hausgeraete | Gebläse mit einem Spiralgehäuse |
-
2006
- 2006-05-10 DE DE102006021828A patent/DE102006021828A1/de not_active Withdrawn
-
2007
- 2007-04-11 WO PCT/EP2007/053500 patent/WO2007128641A1/de not_active Ceased
- 2007-04-11 DE DE502007003089T patent/DE502007003089D1/de active Active
- 2007-04-11 AT AT07727968T patent/ATE460526T1/de active
- 2007-04-11 EP EP07727968A patent/EP2024552B1/de not_active Not-in-force
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007128641A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502007003089D1 (de) | 2010-04-22 |
| ATE460526T1 (de) | 2010-03-15 |
| WO2007128641A1 (de) | 2007-11-15 |
| DE102006021828A1 (de) | 2007-11-15 |
| EP2024552B1 (de) | 2010-03-10 |
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