WO2008080831A1 - Kondensationstrockner mit einer wärmepumpe sowie verfahren zu seinem betrieb - Google Patents
Kondensationstrockner mit einer wärmepumpe sowie verfahren zu seinem betrieb Download PDFInfo
- Publication number
- WO2008080831A1 WO2008080831A1 PCT/EP2007/064127 EP2007064127W WO2008080831A1 WO 2008080831 A1 WO2008080831 A1 WO 2008080831A1 EP 2007064127 W EP2007064127 W EP 2007064127W WO 2008080831 A1 WO2008080831 A1 WO 2008080831A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit
- process air
- heat pump
- heat
- condensation dryer
- Prior art date
Links
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
- D06F58/206—Heat pump arrangements
-
- 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 with a drying chamber for objects to be dried, a process air circuit in which the process air can be guided by means of a blower over the objects to be dried, and a heat pump circuit for alternately heating and cooling the process air.
- the invention also relates to a method of operating such a condensation dryer.
- Tumble dryers whose operation is based on the condensation of moisture vaporized by means of warm process air from the laundry - so-called condensation dryers - are very popular because they produce no exhaust air laden with moisture and no hose for dissipating this exhaust air from a building in which such a tumble dryer is set up. Condensation dryers can therefore be used in internal bathrooms or laundry rooms of larger residential complexes.
- a condensation dryer process air is passed through a fan via a heater in the wet laundry containing drum as a drying chamber.
- the hot air absorbs moisture from the laundry to be dried.
- the now moist process air is directed into a heat exchanger, which is usually preceded by a lint filter.
- the moist process air is cooled, so that the water contained in the moist process air condenses.
- the condensed water is then collected in a suitable container.
- the cooled and dried air is then returned to the heater and then to the drum.
- the heat exchanger can be easily removed for occasional cleaning of dried lint (microfibers of the laundry). This drying process is very energy-intensive, since the heat extracted for cooling the process air in the heat exchanger is energetically lost to the process.
- a heat pump which in some cases supplies this extracted heat to the process air, it is generally possible to save about 50% of the energy used.
- An object of the invention is therefore to provide a condensation dryer with a heat pump, which has an increased life and offers the possibility for easier cleaning.
- the solution of this object is achieved according to this invention by a condensation dryer with the features of claim 1 and the method of claim 9.
- the secondary fluid circuit contains a secondary refrigerant which is a substance which is liquid at room temperature and normal pressure.
- the secondary refrigerant in a secondary fluid circuit at least one substance from the group consisting of water, single and multiple alcohols and glycol ethers.
- Suitable polyhydric alcohols are, for example, ethylene glycol and propylene glycol.
- Suitable glycol ethers are, for example, ethylene glycol dimethyl ether and propylene glycol dimethyl ether or the corresponding monoether.
- water is used as the secondary refrigerant.
- the heat pump preferably has an evaporator, a condenser, a compressor and a throttle.
- the compressor is generally in the flow direction of the primary refrigerant between the evaporator and the condenser.
- an expansion valve also referred to as throttle.
- the primary refrigerant used in the heat pump preferably circulates in the heat pump cycle with a turbulent flow. Turbulent flow may be adjusted by suitable design of a flow channel and / or by suitable drive means (e.g., compressor).
- the condensation dryer according to the invention contains at least one secondary fluid circuit between the heat pump and the process air circuit.
- one or two secondary fluid circuits are located between the heat pump and the process air circuit.
- the condensation dryer according to the invention has a first secondary fluid circuit and a second secondary fluid circuit.
- the heat pump thus gives its cooling power or heating power via a secondary refrigerant (also called “secondary fluid") in at least one secondary fluid circuit to the process air circuit of the Condensation dryer off.
- secondary refrigerant also called "secondary fluid”
- the cooling or heating power is generated centrally in a heat pump, which can be very compact in the condensation dryer according to the invention.
- the warm, moisture-laden process air is cooled in a first heat exchanger in which the process air circuit and the first secondary fluid circuit contact via a good heat-conducting wall ,
- the moisture contained in the process air condenses and is generally collected in a suitable receptacle, e.g. a bowl, collected from where it is disposed of.
- the dried, cooled process air is heated in a second heat exchanger in which the process air circuit and the second secondary fluid circuit contact via a wall which is as heat-conductive as possible .
- the heated process air is then in turn supplied to the laundry drum as a drying chamber.
- the process air can be additionally heated by an electric heater.
- the secondary refrigerant is very particularly preferably water, since it is possible to work almost pressure-free relative to the ambient pressure, the heat exchangers through which the process air between the heat pump and the process air circuit, for example via quick-release closures (as similar as garden irrigation articles be used) connected to the heat pump.
- the temperature of the secondary refrigerant and the temperature of the primary refrigerant are generally kept within the allowable range by the control of the heat pump. If, in the condensation dryer according to the invention in the process air circuit before the entry into the drying chamber is preferably a heating, generally takes place the control of the heat pump in coordination with the control of the heater.
- the condensation dryer according to the invention has at least one removable heat exchanger.
- the removable heat exchanger may be the first and / or the second heat exchanger.
- the first heat exchanger is preferably removable, since it tends more to contamination with lint.
- two secondary fluid circuits are located between the process air circuit and the heat pump circuit, and heat is exchanged between these between the heat pump circuit and the process air.
- the heat exchange between the heat pump circuit and the first and second secondary fluid circuit is particularly efficient when the refrigerant is moving in turbulent flow.
- the primary refrigerant in the heat pump circuit is turbulent.
- a turbulent flow can also be set in the secondary fluid circuit and / or in the process air circuit instead of a laminar one.
- the secondary fluid lines are thermally insulated except for the line sections located in the respective heat exchanger.
- the degree of drying of the objects to be dried in the condenser dryer decreases the energy required for drying, it is appropriate to regulate the heating accordingly, that is. As the degree of dryness progresses, their heating power is reduced to maintain a balance between the supplied and necessary drying energy. With increasing degree of drying of the objects to be dried, in particular laundry, thus a lower heating power or even an increasing cooling capacity of the heat pump is required. In particular, after a completed drying phase, the temperature in the process air circuit would rise sharply. In general, therefore, the heat pump and the heater in the condensation dryer are controlled so that a maximum allowable temperature is not exceeded in the drying chamber.
- the placement of the heat exchangers for the process air is when using very low boiling refrigerants such. Carbon dioxide is no longer bound to narrow limits by the high-pressure lines of the refrigerant circuit.
- the secondary fluid may also dissipate the waste heat of the compressor of the heat pump to the process air of the clothes dryer. This increases the overall efficiency of the heat pump process and thus the energy balance of the entire drying process.
- FIG. 1 A non-limiting exemplary embodiment of a condensation dryer according to the present invention, in which the method according to the invention can also be carried out, is shown in FIG.
- the heat pump is connected via two secondary fluid circuits with the process air circuit.
- the dryer 1 shown in FIG. 1 has a drum 3 rotatable about a horizontal axis as a drying chamber 3, within which carrier 4 for moving laundry during a drying process
- a heater 18, a first heat exchanger 11, 12, 13, a heat pump 13, 14, 15, 23, a second heat exchanger 16, 17 and a fan 19 are provided to a closed by an air duct 2 process air circuit 2 through the To produce drum 3 therethrough, cool it after passing through the drum 3 and reheat after condensation of the moisture contained in the process air behind, ie from the dryer door 5 opposite side of the drum 3, passed through the perforated bottom in the drum 3, comes there with the laundry to be dried in contact and flows through the filling opening of the drum 3 to a lint filter 6 within a filling opening occlusive Drying door 5.
- the air flow is deflected in the dryer door 5 down and passed from the air duct 2 to the heat exchanger 11, 12.
- the heater 18 is optional; Above all, it is provided in order to be able to bring the components of the condensation dryer 1 and the objects to be dried as quickly as possible to the elevated temperatures required for drying during commissioning. In stationary operation of the condensation dryer 1, the use of the heater 18 may no longer be required.
- the transmission of the cooling power of the heat pump 13, 14, 15, 23 in this case takes place via the circulating in a first secondary fluid circuit 12, 20 secondary refrigerant, preferably water.
- a first secondary fluid circuit 12, 20 secondary refrigerant preferably water.
- the process air is passed from the blower 19 in turn to the heater 18.
- the heat is transferred via a second secondary fluid circuit 16, 21.
- the drum 3 is mounted in the embodiment shown in Fig. 1 at the rear bottom by means of a pivot bearing and front by means of a bearing plate 7, wherein the drum 3 rests with a brim on a sliding strip 8 on the bearing plate 7 and is held at the front end.
- the control of the condensation dryer via a control device 10, which can be controlled by the user via an operating unit 9; the controller engages in a suitable, not to be described in detail manner on all controllable components, including in particular not shown here, conventional sensors, the dryer 1 to.
- the heated secondary refrigerant of the first secondary fluid circuit 12, 20 is cooled in the evaporator 13 of the heat pump 13, 14, 15, 23.
- a primary refrigerant is evaporated in the evaporator 13, compressed in the compressor 14 and then condensed in the condenser 15 of the heat pump.
- the heat released in this process is used to heat the process air passed through the second heat exchanger 16, 17 via a second secondary circuit 16, 21.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT07857754T ATE474955T1 (de) | 2006-12-28 | 2007-12-18 | Kondensationstrockner mit einer wärmepumpe sowie verfahren zu seinem betrieb |
DE502007004523T DE502007004523D1 (de) | 2006-12-28 | 2007-12-18 | Kondensationstrockner mit einer wärmepumpe sowie verfahren zu seinem betrieb |
CN2007800481298A CN101573487B (zh) | 2006-12-28 | 2007-12-18 | 具有热泵的冷凝式干燥机及其操作方法 |
EP07857754A EP2122039B1 (de) | 2006-12-28 | 2007-12-18 | Kondensationstrockner mit einer wärmepumpe sowie verfahren zu seinem betrieb |
EA200970634A EA014949B1 (ru) | 2006-12-28 | 2007-12-18 | Конденсационная сушилка с тепловым насосом и способ её работы |
US12/519,820 US8266824B2 (en) | 2006-12-28 | 2007-12-18 | Condensation dryer having a heat pump and method for the operation thereof |
KR1020097013335A KR101375511B1 (ko) | 2006-12-28 | 2007-12-18 | 열펌프를 구비한 응축 건조기 및 이의 작동 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006061737A DE102006061737B3 (de) | 2006-12-28 | 2006-12-28 | Kondensationstrockner mit einer Wärmepumpe sowie Verfahren zu seinem Betrieb |
DE102006061737.1 | 2006-12-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008080831A1 true WO2008080831A1 (de) | 2008-07-10 |
Family
ID=39198648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/064127 WO2008080831A1 (de) | 2006-12-28 | 2007-12-18 | Kondensationstrockner mit einer wärmepumpe sowie verfahren zu seinem betrieb |
Country Status (8)
Country | Link |
---|---|
US (1) | US8266824B2 (de) |
EP (1) | EP2122039B1 (de) |
KR (1) | KR101375511B1 (de) |
CN (1) | CN101573487B (de) |
AT (1) | ATE474955T1 (de) |
DE (2) | DE102006061737B3 (de) |
EA (1) | EA014949B1 (de) |
WO (1) | WO2008080831A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2157230A1 (de) | 2008-08-22 | 2010-02-24 | BSH Bosch und Siemens Hausgeräte GmbH | Satz mit einem ersten und einem zweiten Trockner |
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DE102005013053A1 (de) * | 2005-05-23 | 2006-11-30 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensations-Wäschetrockner |
DE102006026251A1 (de) * | 2006-06-06 | 2007-12-13 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung und Verfahren zum Trocknen von Waschgut |
US8024871B2 (en) * | 2006-11-08 | 2011-09-27 | Lg Electronics Inc. | Exhaust structure for clothes dryer in apartment building |
DE102006061737B3 (de) * | 2006-12-28 | 2008-04-24 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe sowie Verfahren zu seinem Betrieb |
DE102007052839A1 (de) * | 2007-11-06 | 2009-05-07 | BSH Bosch und Siemens Hausgeräte GmbH | Trockner mit Wärmepumpenkreis |
DE102008040946A1 (de) * | 2008-08-01 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
DE102008041019A1 (de) * | 2008-08-06 | 2010-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
US8528227B2 (en) | 2010-07-26 | 2013-09-10 | General Electric Company | Apparatus and method for refrigerant cycle capacity acceleration |
US8601717B2 (en) | 2010-07-26 | 2013-12-10 | General Electric Company | Apparatus and method for refrigeration cycle capacity enhancement |
US8353114B2 (en) * | 2010-07-26 | 2013-01-15 | General Electric Company | Apparatus and method for refrigeration cycle with auxiliary heating |
DE102011085468A1 (de) * | 2011-10-28 | 2013-05-02 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschetrocknungsgerät mit einer Wärmepumpe und einem Antrieb der Wärmepumpe |
DE102011087874B4 (de) * | 2011-12-07 | 2014-09-25 | Lavatec Laundry Technology Gmbh | Trockner zur Trocknung von Waschgut |
PL2831330T3 (pl) * | 2012-03-30 | 2016-09-30 | Pompa ciepła do urządzenia do obróbki odzieży oraz urządzenie do obróbki odzieży zawierające taką pompę ciepła | |
US9091015B2 (en) | 2012-11-28 | 2015-07-28 | Elwha Llc | Energy efficient dryer systems |
US9562707B2 (en) | 2013-03-14 | 2017-02-07 | Whirlpool Corporation | Refrigerator cooling system having a secondary cooling loop |
US8973286B1 (en) | 2014-01-27 | 2015-03-10 | Elwha Llc | Vacuum assisted dryer systems and methods |
EP3031975B1 (de) * | 2014-12-08 | 2019-08-21 | LG Electronics Inc. | Kondensations-wäschetrockner mit wärmepumpenkreislauf und verfahren zur steuerung eines kondensations-wäschetrockners mit wärmepumpenkreislauf |
US9863086B2 (en) * | 2016-05-31 | 2018-01-09 | Wuxi Little Swan Co., Ltd. | Heat pump mounting box and heat pump drier or heat pump washer-drier |
US10633785B2 (en) | 2016-08-10 | 2020-04-28 | Whirlpool Corporation | Maintenance free dryer having multiple self-cleaning lint filters |
US10738411B2 (en) | 2016-10-14 | 2020-08-11 | Whirlpool Corporation | Filterless air-handling system for a heat pump laundry appliance |
US10519591B2 (en) | 2016-10-14 | 2019-12-31 | Whirlpool Corporation | Combination washing/drying laundry appliance having a heat pump system with reversible condensing and evaporating heat exchangers |
US10502478B2 (en) | 2016-12-20 | 2019-12-10 | Whirlpool Corporation | Heat rejection system for a condenser of a refrigerant loop within an appliance |
CN107014198B (zh) * | 2016-12-29 | 2019-08-09 | 石曾矿 | 可调温的四效除湿干燥系统 |
US10544539B2 (en) | 2017-02-27 | 2020-01-28 | Whirlpool Corporation | Heat exchanger filter for self lint cleaning system in dryer appliance |
US10514194B2 (en) | 2017-06-01 | 2019-12-24 | Whirlpool Corporation | Multi-evaporator appliance having a multi-directional valve for delivering refrigerant to the evaporators |
US10718082B2 (en) | 2017-08-11 | 2020-07-21 | Whirlpool Corporation | Acoustic heat exchanger treatment for a laundry appliance having a heat pump system |
US11015281B2 (en) | 2017-09-26 | 2021-05-25 | Whirlpool Corporation | Laundry appliance having a maintenance free lint removal system |
AU2018453171A1 (en) * | 2018-12-21 | 2021-05-27 | Electrolux Appliances Aktiebolag | Laundry dryer |
RU2718941C1 (ru) * | 2019-10-30 | 2020-04-15 | Наталья Николаевна Демина | Система для сушки конденсаторного типа |
RU2732325C1 (ru) * | 2019-11-06 | 2020-09-15 | федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский национальный исследовательский технологический университет" (ФГБОУ ВО "КНИТУ") | Конденсационная сушилка |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4023000A1 (de) * | 1990-07-19 | 1992-01-23 | Bosch Siemens Hausgeraete | Waeschetrockner mit einem waermepumpenkreis |
DE19738735A1 (de) * | 1997-09-04 | 1999-03-11 | Bosch Siemens Hausgeraete | Kondensationstrockner mit einem geschlossenen Trocknungsluftkreislauf |
JP2005027733A (ja) * | 2003-07-08 | 2005-02-03 | Matsushita Electric Ind Co Ltd | 衣類乾燥機 |
JP2007306960A (ja) * | 2006-05-16 | 2007-11-29 | Matsushita Electric Ind Co Ltd | 衣類乾燥装置 |
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US2713995A (en) * | 1951-05-14 | 1955-07-26 | Wilkinson Mfg Company | Air heating and cooling system |
US3734810A (en) * | 1971-06-16 | 1973-05-22 | Integrated Dev & Mfg Co | Heating and cooling system |
KR100343807B1 (ko) * | 1999-12-23 | 2002-07-20 | 진금수 | 건조장치 |
US7055262B2 (en) * | 2003-09-29 | 2006-06-06 | Self Propelled Research And Development Specialists, Llc | Heat pump clothes dryer |
JP2006122466A (ja) * | 2004-10-29 | 2006-05-18 | Toshiba Corp | 洗濯乾燥機 |
DE102006061737B3 (de) * | 2006-12-28 | 2008-04-24 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe sowie Verfahren zu seinem Betrieb |
DE102008040853A1 (de) * | 2008-07-30 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
DE102008040946A1 (de) * | 2008-08-01 | 2010-02-04 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
DE102008041019A1 (de) * | 2008-08-06 | 2010-02-11 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe und Erkennung eines unzulässigen Betriebszustands sowie Verfahren zu seinem Betrieb |
DE102008043176B4 (de) * | 2008-10-24 | 2021-08-26 | BSH Hausgeräte GmbH | Trockner mit Wärmepumpe, Verfahren zu seinem Betrieb und Verfahren zur Klimatisierung eines Raumes |
DE102008043920A1 (de) * | 2008-11-20 | 2010-05-27 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensationstrockner mit einer Wärmepumpe sowie Verfahren zu seinem Betrieb |
DE102008055087A1 (de) * | 2008-12-22 | 2010-06-24 | BSH Bosch und Siemens Hausgeräte GmbH | Trockner mit Wärmepumpe und Umluftanteil sowie Verfahren zu seinem Betrieb |
-
2006
- 2006-12-28 DE DE102006061737A patent/DE102006061737B3/de not_active Expired - Fee Related
-
2007
- 2007-12-18 CN CN2007800481298A patent/CN101573487B/zh not_active Expired - Fee Related
- 2007-12-18 EA EA200970634A patent/EA014949B1/ru not_active IP Right Cessation
- 2007-12-18 AT AT07857754T patent/ATE474955T1/de active
- 2007-12-18 WO PCT/EP2007/064127 patent/WO2008080831A1/de active Application Filing
- 2007-12-18 KR KR1020097013335A patent/KR101375511B1/ko not_active IP Right Cessation
- 2007-12-18 DE DE502007004523T patent/DE502007004523D1/de active Active
- 2007-12-18 EP EP07857754A patent/EP2122039B1/de not_active Not-in-force
- 2007-12-18 US US12/519,820 patent/US8266824B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4023000A1 (de) * | 1990-07-19 | 1992-01-23 | Bosch Siemens Hausgeraete | Waeschetrockner mit einem waermepumpenkreis |
DE19738735A1 (de) * | 1997-09-04 | 1999-03-11 | Bosch Siemens Hausgeraete | Kondensationstrockner mit einem geschlossenen Trocknungsluftkreislauf |
JP2005027733A (ja) * | 2003-07-08 | 2005-02-03 | Matsushita Electric Ind Co Ltd | 衣類乾燥機 |
JP2007306960A (ja) * | 2006-05-16 | 2007-11-29 | Matsushita Electric Ind Co Ltd | 衣類乾燥装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2157230A1 (de) | 2008-08-22 | 2010-02-24 | BSH Bosch und Siemens Hausgeräte GmbH | Satz mit einem ersten und einem zweiten Trockner |
Also Published As
Publication number | Publication date |
---|---|
KR101375511B1 (ko) | 2014-03-18 |
EP2122039A1 (de) | 2009-11-25 |
CN101573487B (zh) | 2012-01-04 |
CN101573487A (zh) | 2009-11-04 |
EP2122039B1 (de) | 2010-07-21 |
DE102006061737B3 (de) | 2008-04-24 |
EA200970634A1 (ru) | 2010-02-26 |
KR20090096612A (ko) | 2009-09-11 |
US8266824B2 (en) | 2012-09-18 |
US20100011615A1 (en) | 2010-01-21 |
EA014949B1 (ru) | 2011-04-29 |
DE502007004523D1 (de) | 2010-09-02 |
ATE474955T1 (de) | 2010-08-15 |
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