CN102505437A - Heat exchanger for clothes drying condensation and clothes dryer - Google Patents
Heat exchanger for clothes drying condensation and clothes dryer Download PDFInfo
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- CN102505437A CN102505437A CN2011103508407A CN201110350840A CN102505437A CN 102505437 A CN102505437 A CN 102505437A CN 2011103508407 A CN2011103508407 A CN 2011103508407A CN 201110350840 A CN201110350840 A CN 201110350840A CN 102505437 A CN102505437 A CN 102505437A
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Abstract
The invention discloses a heat exchanger for clothes drying condensation and clothes dryer. The heat exchanger is made from plastic thin films and is an external air cooling type heat exchanger; two groups of air channels, which are different in direction and not communicated with each other, are arranged in the heat exchanger; each group of air channel is composed of a plurality of air chambers; the air chambers of the two groups of air channels are alternately spaced in sequence; one air chamber of another group of air channel is arranged between every two adjacent air chambers of the same group of air channel, and every two adjacent air chambers are spaced by a plastic thin film wall; the two groups of air channels are a condensing air channel and an external air channel respectively; one end of the external air channel is provided with a condensing fan while the other end thereof is directly communicated with the external world; wet hot air is fed to one end of the condensing air channel; condensed air and condensate water are discharged from the other end of the condensing air channel; and the plastic thin films are 0.1-0.5 mm thick. The heat exchanger for clothes drying condensation and the clothes dryer disclosed by the invention are simple in structure and low in cost.
Description
Technical field
The present invention relates to a kind of heat exchanger and dryer, especially a kind of drying condensation of using the plastic sheeting manufacturing is with heat exchanger and dryer.
Background technology
Be used for the drying mechanism of clothesdrier or clothes washer-dryer, generating the device that adds hot-air and adopt the mode of heating that adds hot-air through heater mostly.Existing electrothermal dryer generally adopts heater strip or heating tube as thermal source, and this type of product energy consumption is high, the long and poor stability of drying time.In order to cut down the consumption of energy, developed heat pump clothes dryer, use heat pump, strengthen recycle to heat, improve the utilization ratio of heat, reduce the consumption of electric energy.
Be provided with following air circulation duct in the heat-pump-type clothes drying device: the hot-air that adds that was carried out heating by the condenser in the heat pump circulating system is admitted in the hothouse that clothing is housed; The moisture absorption air of from clothing, having captured moisture is sent back to evaporimeter and dehumidifies; Air after the dehumidifying is heated by condenser once more, and sends in the hothouse.
Though the energy consumption of these heat pump clothes-drying machines decreases, drying speed aspect does not improve, and drying process required time is still longer, and generally drying the 7-8KG clothing needs 2-3 hour.In order to remove the moisture in the clothing in the short time, people take variety of way to realize this purpose, and the method that dryer adopted is an elevated temperature, strengthens surperficial circulation of air, increase heat exchange area.Although use these methods, the energy consumption of drying process and time are still high.And at high temperature drying clothes has destruction to fabric itself, and is easy to generate gauffer and shrink.
Application number is that 200610153406.9 Chinese patent discloses a kind of clothes drying device that can make the heat pump that is created in the drying air that circulates between hothouse and the heat pump realize stable operation.Wherein, carried out the air of heating by the heater in the heat pump and sent in the steel ladle as hothouse, got back to heat pump after the air of discharging from steel ladle passes filter unit,, formed air circulation duct by delivering to heater again after the heat dump dehumidifying.Be provided with line bits filter in the filter unit, and be provided with the pipeline that is connected with air outlet and air introducing port.
The existing cold air that utilizes is as the condensing type heat exchanger application of cooling medium in dryer or in the washing-drying integral machine; The general sheet metal that adopts constitutes oven dry air channel and staggered condensation air channel through welding procedure; This condenser processing technology is complicated; Can not arbitrarily carry out processing and manufacturing according to washing machine structure, cost is higher.
In view of this special proposition the present invention.
Summary of the invention
The technical problem that the present invention will solve is to overcome the deficiency of prior art, provides a kind of drying condensation simple in structure, that cost is low that is made up of plastic film material to use heat exchanger.
Another object of the present invention is to provide a kind of dryer with the condensation of plastic film material drying with heat exchanger.
For solving the problems of the technologies described above; The present invention adopts the basic design of technical scheme to be: heat exchanger is used in a kind of drying condensation; Described heat exchanger is made up of plastic sheeting, is the outside air air-cooled type heat exchanger, and inside comprises that two prescriptions are to the not connected air channel of difference; Every group of air channel is made up of a plurality of air chambers; The air chamber in two groups of air channels is at interval staggered successively, for an air chamber in another group air channel, is made up of at interval the plastic sheeting wall each other between per two adjoining air chambers in same group of air channel.
Wherein, described plastic film thickness is between 0.05～1.5mm.
Preferably, described plastic film thickness is between 0.08～0.8mm; Preferred, described plastic film thickness is between 0.1～0.5mm
Described two groups of air channels are respectively condensation air channel and outside air air channel, and outside air air channel one end is provided with condensation fan, and the other end is straight-through extraneous, and condensation air channel one end feeds damp-heat air, and the other end is discharged condensed air and condensed water.
The flow direction of the damp-heat air in the described condensation air channel is for flow from top to bottom.Preferably, the outside air lateral flow in the outside air air channel.
The present invention has drying condensation as stated with the dryer of heat exchanger; Comprise and contain clothing bucket, air outlet, filter, oven dry blower fan, heater and air inlet that also comprise collecting box, described air outlet is communicated with heat exchanger; Heat exchanger is communicated with collecting box; Collecting box is communicated with air inlet, and filter is located between air outlet and the heat exchanger, and oven dry blower fan and heater are located between collecting box and the air inlet successively.
Described collecting box is provided with the water level inductive switch that the control draining pump is opened through draining pump and external communications in the collecting box.
Described filter is made up of two-layer at least screen pack, and is detachable apart from one deck screen pack that air outlet is nearer.
Be provided with same waste-heat recovery device between described filter and the heat exchanger and between collecting box and the oven dry blower fan; Waste-heat recovery device inside is provided with two groups of air-flow wind paths; Be respectively damp-heat air wind path and waste heat recovery wind path; Two groups of air-flow wind paths constitute heat exchange structure, and the damp-heat air wind path is communicated with filter and heat exchanger, and the waste heat recovery wind path is communicated with collecting box and oven dry blower fan.
Described waste-heat recovery device comprises a shell and the heat exchanger of being located in the shell; Being located in the heat exchanger of damp-heat air wind path and the bidirectional crossed convection current of waste heat recovery wind path; Corresponding two groups of wind path shell upper are respectively equipped with damp-heat air wind path air inlet and waste heat recovery wind path air outlet, bottom are provided with damp-heat air wind path air outlet and waste heat recovery wind path air inlet, and the hot-air wind path is into and out of air port and the equal diagonal angle setting into and out of the air port of waste heat recovery wind path.
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
The present invention is directed to the heat exchanger of the air-cooled employing plastic film material of outside air, heat exchanger effectiveness is high, and as heat exchanger material, manufacturing technique is more simple with plastic sheeting; According to dryer or be used for the different drying power of washing-drying integral machine, combination manufacturing is installed more easily; Use the dryer or the washing-drying integral machine weight of this heat exchanger lighter, and cost is lower in transportation.
Be described in further detail below in conjunction with the accompanying drawing specific embodiments of the invention.
Description of drawings
Fig. 1 is a heat converter structure sketch map of the present invention;
Fig. 2 is that the A of Fig. 1 is to sectional schematic diagram;
Fig. 3 is the embodiment of the invention one a described heat exchanger wind path circulation sketch map;
Fig. 4 is the embodiment of the invention one a described dryer circulation drying system schematic;
Fig. 5 is the embodiment of the invention two described heat exchanger wind path circulation sketch mapes;
Fig. 6 is the embodiment of the invention two described waste-heat recovery device heat exchanger structure sketch mapes;
Fig. 7 is the embodiment of the invention two described dryer circulation drying system schematic.
The specific embodiment
As depicted in figs. 1 and 2, heat exchanger is used in drying condensation of the present invention, is installed on dryer or has in the washing machine of clothes drying function.Described heat exchanger 1 is made up of plastic sheeting; Be the outside air air-cooled type heat exchanger; Inside comprises two prescriptions to the not connected air channel 11,12 of difference, and every group of air channel is made up of a plurality of air chambers, and the air chamber 13,14 in two groups of air channels 11,12 is at interval staggered successively; For an air chamber in another group air channel, constitute at interval by the plastic sheeting wall each other between per two adjoining air chambers in same group of air channel.
Described two groups of air channels 11,12 are respectively condensation air channel 11 and outside air air channel 12; Outside air air channel 12 1 ends are provided with condensation fan 15 (consulting Fig. 3); The other end is straight-through extraneous, and condensation air channel 11 1 ends feed damp-heat air, and the other end is discharged condensed air and condensed water.Condensation air channel 11 is made up of air chamber 13, and outside air air channel 12 is made up of air chamber 14, is an air chamber 14 in outside air air channel 12 between the 11 liang of adjoining air chambers 13 in condensation air channel.For not making condensed water attached to forming thermal resistance on the air chamber wall, reduce condensation efficiency, the flow direction of the damp-heat air in the described condensation air channel 11 is for flow from top to bottom.Preferably, the outside air lateral flow in the outside air air channel 12.
Wherein, described plastic film thickness L is between 0.05～1.5mm; Preferably, described plastic film thickness is between 0.08～0.8mm; Preferred, described plastic film thickness is between 0.1～0.5mm.Present embodiment adopts the plastic sheeting of 0.1mm.Said air chamber cross sectional shape is not limited to rectangle, circle, ellipse, can also the air chamber wall be provided with to be beneficial to the various bellows-shaped that condensed water falls, or the combination of above-mentioned arbitrary shape.
Plastic sheeting of the present invention is resistant to elevated temperatures plastic sheeting, for example, can reach 150 ℃ of indeformable Kaptons.The described plastic sheeting employing of present embodiment heat distortion temperature is 80-100 ℃ a polyethylene film.
Embodiment one
Like Fig. 3 and shown in Figure 4; Dryer of the present invention comprises and contains clothing bucket 2, air outlet, filter 3, heat exchanger 1, collecting box 4, oven dry blower fan 5, heater 6 and air inlet that described air outlet is communicated with heat exchanger 1; Heat exchanger 1 is communicated with collecting box 4; Collecting box 4 is communicated with air inlet, and filter 3 is located between air outlet and the heat exchanger 1, and oven dry blower fan 5 and heater 6 are located at (air outlet and air inlet are all not shown in the drawings) between collecting box 4 and the air inlet successively.Described collecting box 4 is provided with the water level inductive switch 42 that control draining pump 41 is opened through draining pump 41 and external communications in the collecting box 4.
Wherein contain clothing bucket 2, air outlet, filter 3, oven dry blower fan 5, heater 6 and air inlet and all can adopt existing design; Air outlet and air inlet are meant air outlet and the air inlet of containing the clothing bucket; Heater 6 general heating tube or the heater strips of adopting also can adopt heating plate.
As shown in Figure 4; When oven dry was carried out, the damp-heat air that blows out from Sheng clothing bucket 2 air outlets got in the condensation air channel 11 of heat exchanger 1, in heat exchanger 1 along pipeline; Damp-heat airs generation heat exchange in the outside air that gets into along the outside air air channel of heat exchanger 1 12 and the condensation air channel 11; Damp-heat air temperature in the condensation air channel 11 reduce, and relative humidity raises, the local air that the is distributed in air chamber wall periphery state that reaches capacity; Airborne steam is separated out, and flows into collecting box 4 along the air chamber wall; When water level inductive switch 42 perception water levels reached the position that presets, draining pump 41 was opened, and condensed water is discharged; Through the low humid air process of the low-heat collecting box 4 of condensation, after sending into heater 6 heating, blower fan 5 gets in the Sheng clothing bucket 2 through air inlet again by drying.
Embodiment two
Extremely shown in Figure 7 like Fig. 5; The present invention has increased waste-heat recovery device 7 on the basis of embodiment one; This waste-heat recovery device 7 is located between filter 3 and the heat exchanger 1, also is located at simultaneously between collecting box 4 and the oven dry blower fan 5, and waste-heat recovery device 7 inside are provided with two groups of air-flow wind paths; Be respectively damp-heat air wind path 71 and waste heat recovery wind path 72; Two groups of air-flow wind paths constitute heat exchange structure, and damp-heat air wind path 71 is communicated with filter 3 and heat exchanger 1, and waste heat recovery wind path 72 is communicated with collecting box 4 and oven dry blower fan 5; After being come out by the air outlet of containing clothing bucket 2, damp-heat air, accomplishes waste heat recovery through the waste heat recovery wind path 72 of waste-heat recovery device 7 more successively through damp-heat air wind path 71, heat exchanger 1, the collecting box 4 of waste-heat recovery device 7.
Concrete; Described waste-heat recovery device 7 comprises a shell 70 and the heat exchanger of being located in the shell 73; Being located in the heat exchanger 73 of damp-heat air wind path 71 and the 72 bidirectional crossed convection current of waste heat recovery wind path; Corresponding two groups of wind path shell 70 tops are provided with damp-heat air wind path air inlet 74 and are provided with damp-heat air wind path air outlet 76 and waste heat recovery wind path air inlet 77, hot-air wind path air inlet 74, air outlet 76 and waste heat recovery wind path air inlet 77, air outlet 75 equal diagonal angle settings with waste heat recovery wind path air outlet 75, bottom.
Described heat exchanger 73 inside constitute damp-heat air wind path and waste heat recovery wind path respectively by two groups of heat exchanging fins; Every group of heat exchanging fin constitutes a plurality of equidirectional gas channels; Be provided with a gas channel of another group between same group two adjacent gas channel; The gas channel of two groups of heat exchanging fin formations is intervally installed, and forms the heat exchange structure of bidirectional crossed convection current.
Perhaps, as shown in Figure 6, heat exchanger 73 inside are made up of a plurality of parallel dividing plates, are provided with gas channel 78,79 between two adjacent separator, and gas channel two air inlet directions interval shutoff are successively formed the wind path that two intersections are isolated.Perhaps at the give a farfetched interpretation gas channel 78,79 of two groups of bidirectional crossed directions of an overall structure internal interval.Again perhaps, heat exchanger 73 also can adopt existing plate face dividing wall type heat exchanger at interval.
As shown in Figure 7, when oven dry was carried out, the damp-heat air that blows out from Sheng clothing bucket 2 air outlets got into damp-heat air wind paths 71 along the damp-heat air wind path air inlet 74 by waste-heat recovery device; Discharge in the condensation air channel 11 that gets into heat exchanger 1 from damp-heat air wind path air outlet 76; In heat exchanger 1, the outside air that gets into along the outside air air channel of heat exchanger 1 12 produces heat exchange with the damp-heat airs in the condensation air channel 11, the damp-heat air temperature reduction in the condensation air channel 11; Relative humidity raises; The local air that the is distributed in air chamber wall periphery state that reaches capacity, airborne steam is separated out, and flows into collecting box 4 along the air chamber wall; When water level inductive switch 42 perception water levels reached the position that presets, draining pump 41 was opened, and condensed water is discharged; Through the low humid air process of the low-heat collecting box 4 of condensation, get back to the waste heat recovery wind path air inlet 77 of waste-heat recovery device, get into waste heat recovery wind path 72; Because the air of process condensation is when drying out; Temperature also can reduce; Get back to the relative Cryogenic air of waste-heat recovery device and the damp-heat air of damp-heat air wind path 71 and produced once cold and hot exchange again, the result makes the damp-heat air temperature that will get into heat exchanger 1 shift to an earlier date the precooling reduction, through dry air temperature rising before heater 6 reheats of waste-heat recovery device 7; Form preheating; Therefore, the air that gets into the oven dry circulation again heats the energy that needs again and also reduces, and has reduced the noise that energy consumption and big flow condensation air produce.
On the basis of the foregoing description, for fear of line bits blocking heat-exchanger 1 or waste-heat recovery device 7, better filter the line bits, described filter 3 is made up of two-layer at least screen pack, and one deck screen pack nearer apart from air outlet is detachable so that clean.
The present invention is directed to the heat exchanger of the air-cooled employing plastic film material of outside air, heat exchanger effectiveness is high, and as heat exchanger material, manufacturing technique is more simple with plastic sheeting; According to dryer or be used for the different drying power of washing-drying integral machine, combination manufacturing is installed more easily; Use the dryer or the washing-drying integral machine weight of this heat exchanger lighter, and cost is lower in transportation.
The foregoing description is not that design of the present invention and scope are limited, and under the prerequisite that does not break away from design philosophy of the present invention, the various changes and modifications that the professional and technical personnel makes technical scheme of the present invention in this area all belong to protection scope of the present invention.
Claims (10)
1. heat exchanger is used in a drying condensation; It is characterized in that: described heat exchanger is made up of plastic sheeting, is the outside air air-cooled type heat exchanger, and inside comprises that two prescriptions are to the not connected air channel of difference; Every group of air channel is made up of a plurality of air chambers; The air chamber in two groups of air channels is at interval staggered successively, for an air chamber in another group air channel, is made up of at interval the plastic sheeting wall each other between per two adjoining air chambers in same group of air channel.
2. heat exchanger is used in a kind of drying condensation according to claim 1, and it is characterized in that: described plastic film thickness is between 0.05～1.5mm.
3. heat exchanger is used in a kind of drying condensation according to claim 2, and it is characterized in that: described plastic film thickness is between 0.08～0.8mm.
4. heat exchanger is used in a kind of drying condensation according to claim 1; It is characterized in that: described two groups of air channels are respectively condensation air channel and outside air air channel; Outside air air channel one end is provided with condensation fan; The other end is straight-through extraneous, and condensation air channel one end feeds damp-heat air, and the other end is discharged condensed air and condensed water.
5. heat exchanger is used in a kind of drying condensation according to claim 4, it is characterized in that: the damp-heat air flow direction in the described condensation air channel is for flow from top to bottom.
6. one kind has like the dryer of the arbitrary said drying condensation of claim 1-5 with heat exchanger; Comprise and contain clothing bucket, air outlet, filter, oven dry blower fan, heater and air inlet, it is characterized in that: also comprise collecting box, described air outlet is communicated with heat exchanger; Heat exchanger is communicated with collecting box; Collecting box is communicated with air inlet, and filter is located between air outlet and the heat exchanger, and oven dry blower fan and heater are located between collecting box and the air inlet successively.
7. dryer according to claim 6 is characterized in that: described collecting box is provided with the water level inductive switch that the control draining pump is opened through draining pump and external communications in the collecting box.
8. dryer according to claim 6 is characterized in that: described filter is made up of two-layer at least screen pack, and is detachable apart from one deck screen pack that air outlet is nearer.
9. according to the arbitrary described dryer of claim 6-8; It is characterized in that: be provided with same waste-heat recovery device between described filter and the heat exchanger and between collecting box and the oven dry blower fan; Waste-heat recovery device inside is provided with two groups of air-flow wind paths, is respectively damp-heat air wind path and waste heat recovery wind path, and two groups of air-flow wind paths constitute heat exchange structure; The damp-heat air wind path is communicated with filter and heat exchanger, and the waste heat recovery wind path is communicated with collecting box and oven dry blower fan.
10. dryer according to claim 9; It is characterized in that: described waste-heat recovery device comprises a shell and the heat exchanger of being located in the shell; Being located in the heat exchanger of damp-heat air wind path and the bidirectional crossed convection current of waste heat recovery wind path; Corresponding two groups of wind path shell upper are respectively equipped with damp-heat air wind path air inlet and waste heat recovery wind path air outlet, bottom are provided with damp-heat air wind path air outlet and waste heat recovery wind path air inlet, and the hot-air wind path is into and out of air port and the equal diagonal angle setting into and out of the air port of waste heat recovery wind path.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350840.7A CN102505437B (en) | 2011-11-08 | 2011-11-08 | A kind of drying condensation heat exchanger and dryer |
| US14/355,607 US9869052B2 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| PCT/CN2012/080441 WO2013067837A1 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| JP2014540296A JP6069797B2 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for clothes drying condensation, clothes drying means, clothes dryer, and clothes drying method |
| EP12847897.1A EP2778281B1 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350840.7A CN102505437B (en) | 2011-11-08 | 2011-11-08 | A kind of drying condensation heat exchanger and dryer |
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| Publication Number | Publication Date |
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| CN102505437A true CN102505437A (en) | 2012-06-20 |
| CN102505437B CN102505437B (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110350840.7A Active CN102505437B (en) | 2011-11-08 | 2011-11-08 | A kind of drying condensation heat exchanger and dryer |
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| WO2013067837A1 (en) * | 2011-11-08 | 2013-05-16 | 海尔集团公司 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| CN103486876A (en) * | 2013-06-21 | 2014-01-01 | 无锡小天鹅股份有限公司 | Heat exchange device and clothes-drying machine or washing-drying integrated machine thereof |
| CN104801840A (en) * | 2014-01-28 | 2015-07-29 | 上海朗仕电子设备有限公司 | Air cooling type soldering flux gathering device for reflow soldering furnace |
| CN104911882A (en) * | 2014-03-14 | 2015-09-16 | 海尔集团公司 | Clothes dryer or washing and drying integrated machine |
| CN104911880A (en) * | 2014-03-14 | 2015-09-16 | 海尔集团公司 | Filtering structure for heat exchanger |
| CN105358758A (en) * | 2013-07-16 | 2016-02-24 | Lg电子株式会社 | Clothes dryer |
| CN105780424A (en) * | 2014-12-17 | 2016-07-20 | 无锡小天鹅股份有限公司 | Clothes dryer and heat exchange device of same |
| WO2016123906A1 (en) * | 2015-02-04 | 2016-08-11 | 青岛海尔洗衣机有限公司 | Air condenser and clothes-drying machine |
| CN106884293A (en) * | 2015-12-16 | 2017-06-23 | 青岛海尔智能技术研发有限公司 | Microwave clothes drier |
| CN107849796A (en) * | 2015-09-08 | 2018-03-27 | 松下知识产权经营株式会社 | Clothes drying device |
| CN109695968A (en) * | 2018-11-30 | 2019-04-30 | 安徽欧瑞达电器科技有限公司 | A kind of drying dehumidification recuperation of heat integrated machine |
| CN110068204A (en) * | 2019-05-28 | 2019-07-30 | 千玉花 | A kind of energy-efficient crops drier that can recycle thermal energy |
| KR102057859B1 (en) * | 2013-01-25 | 2019-12-20 | 엘지전자 주식회사 | Laundry Machine |
| CN114293356A (en) * | 2020-09-22 | 2022-04-08 | 云米互联科技(广东)有限公司 | Moisture exhausting device for clothes dryer, clothes dryer and moisture exhausting method |
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| US9869052B2 (en) | 2011-11-08 | 2018-01-16 | Haier Group Corporation | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| WO2013067837A1 (en) * | 2011-11-08 | 2013-05-16 | 海尔集团公司 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
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| CN104911882A (en) * | 2014-03-14 | 2015-09-16 | 海尔集团公司 | Clothes dryer or washing and drying integrated machine |
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Effective date of registration: 20160704 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Drum Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Drum Washing Machine Co., Ltd. |
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