CN110777520B - Drying device and washing machine capable of recycling condensed water - Google Patents
Drying device and washing machine capable of recycling condensed water Download PDFInfo
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- CN110777520B CN110777520B CN201911150058.3A CN201911150058A CN110777520B CN 110777520 B CN110777520 B CN 110777520B CN 201911150058 A CN201911150058 A CN 201911150058A CN 110777520 B CN110777520 B CN 110777520B
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- 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
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- 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
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
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- 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
- D06F58/22—Lint collecting arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to a drying device for cyclic utilization of condensed water and a washing machine thereof, wherein a thermoelectric condensed water cyclic utilization device is added outside a washing system and a drying system of a washing and drying integrated machine, and comprises a thermoelectric heat exchange system and a filth filter; the condensed water subjected to heat-humidity exchange with the hot and humid air is subjected to the action of a thermoelectric heat exchange system to recycle waste heat in the condensed water; the filth in the condensed water can be filtered by the filth filter. The condensed water after heat exchange and filtration is introduced into the condensing duct again to exchange heat with the damp and hot air. The device can realize the cyclic utilization of the condensed water, can set proper temperature difference to control according to the requirement, and can locally and actively cool down, so that the waste heat in the condensed water is recycled, thereby being beneficial to the improvement of the drying efficiency in the air duct, reducing the energy consumption of the washing and drying integrated machine, improving the rationality of the distribution and utilization of the whole energy of the washing and drying integrated machine and enhancing the comfort experience of users.
Description
Technical Field
The present invention relates to a drying device and a washing machine, and more particularly, to a drying device and a washing machine in which condensed water is recycled.
Background
In the continuous development process of the washing machine market in recent years, the industry of the washing machine is subjected to continuous technical innovation and development aiming at the health washing and protection requirements by the consumption upgrading climax of the quality life requirement, wherein the requirement quantity of the washing and drying integrated machine is increased considerably. The air duct drying mode of the washing and drying integrated machine on the market at present mainly comprises three modes of water cooling of wet air, wet air discharging and dehumidification of a common refrigerating system, wherein the washing and drying integrated washing machine adopting the mode of water cooling of the wet air has the largest market share. However, the washing machine adopting the water cooling wet and hot air mode is characterized in that the water continuously or uninterruptedly enters the condensing section air channel through the condensing pipeline to condense the wet and hot air in the whole drying stage due to different setting programs.
According to the test of the water consumption of the water condensation heat exchange washing and drying integrated machine by the existing experimental test equipment, the water consumption of the whole washing period is about 150L, the water consumption in the drying work is generally 80L, the water consumption in the drying work is about 55%, the water temperature through heat exchange with hot and humid air is increased to 40-60K, and the hot water is directly discharged through a drainage pump in a more conventional mode, so that the waste of water and energy is caused, and the energy saving and emission reduction advocates of the state and society at present cannot be met.
Thermoelectric refrigeration is realized by cold-heat exchange by utilizing the Peltier effect principle, and is essentially that when free electrons (carriers) in a conductor migrate from one material to another material to pass through a node, energy is exchanged with the outside due to different potential energy of the carriers of each material so as to satisfy energy conservation, and a practical hot spot refrigeration device is formed by a semiconductor thermocouple, so that the thermoelectric refrigeration device is also called semiconductor refrigeration and thermoelectric refrigeration in the industry. At the same time, the thermoelectric refrigerating device (30) has significant advantages over the common refrigerating device: the thermoelectric refrigerating device (30) can conduct local active cooling aiming at local parts in a targeted way, so that the function of the thermoelectric refrigerating device (30) can be applied to recycling of condensed water of a washing machine.
Aiming at the problems, the realization of the recycling function of the condensed water of the washing machine is needed.
Disclosure of Invention
In view of the above, the present invention provides a drying device and a washing machine for recycling condensed water. The invention relates to a drying device for cyclic utilization of condensed water and a washing machine thereof, wherein a thermoelectric condensed water cyclic utilization device is added outside a washing system and a drying system of a washing and drying integrated machine, and comprises a thermoelectric heat exchange system and a filth filter; the condensed water subjected to heat-humidity exchange with the hot and humid air is subjected to the action of a thermoelectric heat exchange system to recycle waste heat in the condensed water; the filth in the condensed water can be filtered by the filth filter. The condensed water after heat exchange and filtration is introduced into the condensing duct again to exchange heat with the damp and hot air. The device can realize the cyclic utilization of the condensed water, can set proper temperature difference to control according to the requirement, and can locally and actively cool down, so that the waste heat in the condensed water is recycled, thereby being beneficial to the improvement of the drying efficiency in the air duct, reducing the energy consumption of the washing and drying integrated machine, improving the rationality of the distribution and utilization of the whole energy of the washing and drying integrated machine and enhancing the comfort experience of users. The invention effectively solves the problem of recycling of condensed water of a clothes dryer (washing and drying integrated machine) or a washing machine, and effectively solves the problem of waste of heat of the condensed water of the washing and drying integrated machine. The filter is preferably arranged, so that the problem of accumulation of filth in an air duct in the washing and drying integrated machine is effectively solved; the problem of low drying efficiency of the washing and drying integrated machine is effectively solved; the problems that the whole energy consumption of the washing and drying integrated machine is high and the time is long are effectively solved.
Specifically: the drying device for recycling the condensed water comprises a cylinder body, an air channel condensing section, a heating section and an air channel condensing section, wherein the air channel condensing section is provided with a first inlet, a first outlet, a second inlet and a second outlet; the method is characterized in that: when drying, the wet and hot air flowing out of the cylinder enters the air channel condensing section through the first inlet and flows out of the air channel condensing section through the first outlet; the condensed water enters the air channel condensing section from the second inlet, flows out of the air channel condensing section from the second outlet, and exchanges heat with the hot and humid air in the air channel condensing section; after the condensed water flows out from the second outlet, the heat of the condensed water is transmitted to a medium exchanging heat with the condensed water through the heat exchanger.
Preferably, the first inlet and the second outlet are positioned at the lower part of the condensing section of the air duct, and the first outlet and the second inlet are positioned at the upper part of the condensing section of the air duct, so that condensed water and hot humid air perform convection heat exchange in the condensing section of the air duct.
Preferably, the heat exchanger is a thermoelectric refrigeration device, the thermoelectric refrigeration device is provided with a cold end and a hot end, a heat exchange medium of the thermoelectric refrigeration device passes through the hot end, and condensed water exchanges heat with the medium through the cold end of the thermoelectric refrigeration device.
Preferably, the condensing unit also comprises a filter, and the condensed water flows out from the second outlet, passes through the filter and then the heat exchanger, and then enters the condensing section of the air duct from the second inlet for circulation; or after flowing out from the second outlet, the condensed water firstly passes through the heat exchanger and then passes through the filter, and then enters the condensing section of the air duct from the second inlet for circulation.
Preferably, the hot and humid air flows out of the air channel condensing section from the first outlet, enters the cylinder from the third inlet of the cylinder after being heated by the heating section, flows out of the cylinder from the third outlet of the cylinder, and enters the air channel condensing section for circulation through the first inlet.
Preferably, after the condensed water flows out from the second outlet, the condensed water is filtered by a filter and then enters a heat exchanger for heat exchange, and the condensed water enters a condensing section of the air duct for circulation after heat exchange.
Preferably, the heat exchanger is a thermoelectric refrigeration device, the thermoelectric refrigeration device is provided with a cold end and a hot end, condensed water flows through the cold end, and water exchanging heat with the condensed water passes through the hot end; the water exchanges heat with condensed water through the hot end (31) to form first hot water.
Preferably, the first hot water is stored in the water tank as washing water for standby.
Preferably, the temperature of the first hot water is detected, if the temperature reaches a preset temperature, the first hot water is directly utilized, and if the temperature does not reach the preset temperature, the temperature of the first hot water is controlled by controlling the flow of water passing through the hot end.
The invention also provides a washing device (washing machine) which is provided with the drying device.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely examples of the present disclosure and other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic diagram of a drying apparatus for recycling condensed water according to the present invention.
FIG. 2 is a schematic diagram of a condensate recycling system of the present invention.
Fig. 3 is a schematic view of the internal structure of the thermoelectric refrigerating device of the present invention.
Fig. 4 is a schematic diagram of the working principle of a thermoelectric cooling fin of the thermoelectric cooling device of the present invention.
Fig. 5 is a schematic view of a condensate recycling system according to another embodiment of the present invention.
The device comprises a 1-heating section, a 2-condensate water inlet, a 3-air channel condensing section, a 4-cylinder, a 5-condensate water circulating system, a 6.1-hot end heat flow cavity, a 6.2-hot end radiator, a 6.3-hot end heat transfer joint surface, a 6.4-thermoelectric refrigerating sheet, a 6.5-condensation heat transfer joint surface, a 6.6-cold end radiator and a 6.7-cold end heat flow cavity, wherein the heat flow cavity is formed by the two parts;
10-a heat exchange system, 11-a water tank, 12-a drying device, 131-a first valve, 132-a second valve, 133-a third valve, 134-a fourth valve, 135-a fifth valve, 136-a sixth valve, 137-a seventh valve, 138-an eighth valve, 139-a ninth valve, 14-a cold water inlet pipe and 15-a cold water outlet pipe;
20-a condensate water circulation system, 21-a pump, 23-a filter, 24-a circulation pipeline, 251-a tenth valve, 252-an eleventh valve, 253-a twelfth valve, 254-a thirteenth valve;
30-thermoelectric refrigerating device, 31-hot end and 32-cold end.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the disclosed aspects may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various structures, these structures should not be limited by these terms. These terms are used to distinguish one structure from another structure. Thus, a first structure discussed below may be referred to as a second structure without departing from the teachings of the disclosed concepts. As used herein, the term "and/or" includes any one of the associated listed items and all combinations of one or more.
Those skilled in the art will appreciate that the drawings are schematic representations of example embodiments and that the modules or flows in the drawings are not necessarily required to practice the present disclosure, and therefore, should not be taken to limit the scope of the present disclosure.
The details of the embodiments of the present invention are described below with reference to fig. 1-5:
the drying device for recycling condensed water according to the present invention is schematically shown in fig. 1, and differs from the existing drying device in that it has a plurality of condensed water recycling systems. The existing drying device (dryer) comprises a box body, an electric control unit, a cylinder 4, an air channel condensing section 3, an air channel heating section 1 and a condensate water recycling system, wherein hot and humid air enters the air channel condensing section 3 from the cylinder 4 through a first inlet and flows out of the air channel condensing section 3 through a first outlet; the condensed water enters the air duct condensation section 3 from the condensed water inlet 2, namely the second inlet, the condensed water and the hot and humid air are subjected to heat and humidity exchange in the air duct condensation section 3, the humidity in the hot and humid air is reduced, the condensed water flows out from the second outlet, then enters the air duct heating section 1 to be heated to form hot and dry air, then the hot and dry air enters the cylinder 4, the hot and humid air is subjected to heat and humidity exchange with a load in the cylinder 4, and the hot and humid air is formed again, so that the cycle is formed, the whole drying process is formed, the final condensed water is directly discharged outside the machine, the water consumption in the whole drying process is about 45% -65% of the water consumption of single washing, and the water resource waste is very obvious; meanwhile, the temperature rise of condensed water subjected to heat exchange with hot and humid air is about 30-60K, a large amount of heat exists in the water subjected to heat exchange, and the water is directly discharged out of the washing machine, so that energy waste is caused, and the energy conservation and emission reduction are not facilitated.
As shown in fig. 1 and 2, the thermoelectric condensate recycling device of the present invention is mainly located between the cylinder 4 and the air duct condensation section 3, and may be a thermoelectric condensate recycling device, and may utilize the thermoelectric refrigeration device 30 to transfer energy in the condensate after heat exchange to other uses, and the condensate after cooling by the thermoelectric refrigeration device 30 may enter the air duct condensation section 3 through the condensate inlet 2 again after passing through the lint filter to perform heat-moisture exchange with hot humid air, so as to achieve recycling of the condensate and heat carried by the condensate.
As shown in fig. 1, the drying device for recycling condensate water comprises a cylinder 4, an air duct condensing section 3, a heating section 1 and an air duct condensing section 3, wherein the air duct condensing section 3 is provided with a first inlet, a first outlet, a second inlet and a second outlet; the hot and humid air for drying enters the air channel condensing section 3 through the first inlet and flows out of the air channel condensing section 3 through the first outlet; the condensed water enters the air duct condensation section 3 from the second inlet, and flows out of the air duct condensation section 3 from the second outlet. Preferably, the first inlet and the second outlet are positioned at the lower part of the air channel condensation section 3, and the first outlet and the second inlet are positioned at the upper part of the air channel condensation section 3, so that condensed water and hot humid air perform convection heat exchange in the air channel condensation section 3, and preferably, after the condensed water flows out from the second outlet, the heat of the condensed water is transmitted to a medium for heat exchange with the condensed water through the heat exchanger.
As shown in fig. 2, the heat exchange system is shown in which cold water flows from the cold water inlet pipe 14 through the seventh valve 137, through the hot end 31 of the thermoelectric refrigeration device 30, and out through the fifth valve 135 on the hot water outlet pipe 15. The condensed water circulation system 5 circulates condensed water through the circulation pipeline 24, the eleventh valve 252, the air duct condensation section 3, the twelfth valve 252, the thirteenth valve 253, the filter 23 and the cold end 32. Wherein the pump 21 is in communication with the condensing section of the air duct via one of the three-way (valve) 25. As shown in fig. 2-4, the heat exchanger is preferably a thermoelectric refrigeration device 30, the thermoelectric refrigeration device 30 has a cold end 32 and a hot end 31, the heat exchange medium of the thermoelectric refrigeration device 30 passes through the hot end 31, and the condensed water exchanges heat with the medium through the cold end 32 of the thermoelectric refrigeration device 30. As shown in fig. 3, the thermoelectric refrigeration device 30 includes a hot side 31 and a cold side 32, which includes a hot side heat flow chamber 6.1, a hot side heat sink 6.2, a hot side heat transfer junction 6.3, thermoelectric refrigeration sheets 6.4, a condensation heat transfer junction 6.5, a cold side heat sink 6.6, and a cold side heat flow chamber 6.7. A schematic of the heat transfer of the thermoelectric refrigeration device 30 is illustrated in fig. 4, which has a high heat transfer efficiency.
As shown in fig. 1 and 2, the condensing unit preferably further comprises a filter, and after flowing out from the second outlet, the condensed water passes through the filter and then passes through the heat exchanger, and enters the condensing section 3 of the air duct from the second inlet for circulation; or after flowing out from the second outlet, the condensed water firstly passes through the heat exchanger and then passes through the filter, and enters the air duct condensation section 3 from the second inlet for circulation. Preferably, after flowing out of the air duct condensation section 3 from the first outlet, the hot and humid air enters the cylinder 4 from the third inlet of the cylinder 4 after being heated by the heating section 1, then flows out of the cylinder 4 from the third outlet, and enters the air duct condensation section 3 for circulation through the first inlet.
As shown in fig. 5, another embodiment of the present invention is illustrated, which is different from the first embodiment in that the waste heat in the condensed water can be stored for use by a water tank 11 (storage tank) or the like. After flowing out from the second outlet, the condensed water is filtered by a filter 23, then enters a heat exchanger for heat exchange, and enters the air channel condensation section 3 for circulation after heat exchange. The heat exchanger is a thermoelectric refrigerating device 30, the thermoelectric refrigerating device 30 is provided with a cold end 32 and a hot end 31, condensed water flows through the cold end 32, and water exchanging heat with the condensed water passes through the hot end 31; the water exchanges heat with the condensed water through the hot end 31 to form first hot water. The first hot water may be stored in the water tank 11 as washing water for standby, such as washing water for a washing machine, and the introduction of hot water washing may improve the activity of enzymes and washing performance in consideration of a certain activity temperature of enzymes during laundry washing. Preferably, the temperature of the first hot water is detected, if the temperature reaches a preset temperature, the first hot water is directly utilized, and if the temperature does not reach the preset temperature, the temperature of the first hot water is controlled by controlling the flow of water passing through the hot end.
The condensed water is completely used for carrying out heat-humidity exchange with hot and humid air in the condensing air duct, and only the amount of the condensed water is reduced in the process, so that the condensed water needs to be supplemented; the water coming out from the hot end can be stored in the water tank 11 for standby after forming first hot water.
As shown in fig. 5, the heat exchange system, wherein cold water flows out from the cold water inlet pipe 14 through a ninth valve 139, a seventh valve 137 through an eighth valve 138, a fifth valve 135 and a fourth valve 134 after passing through the hot end 31 of the thermoelectric refrigeration device 30; a branch is also provided, and a branch is led out between the fourth valve 134 and the fifth valve 135, enters the water tank 11 (heat storage water tank) through the sixth valve 136, and then flows out for use through the first valve 131. A further branch is provided, which flows through the drying device 12 at the outlet of the hot water pipe 15 and then flows out through two parallel branches, one of which flows out directly, the other branch passing into the hot end 31. And (3) a heat exchange system: wherein cold water flows out from the cold water inlet pipe 14 through the seventh valve 137, through the hot end 31 of the thermoelectric refrigeration device 30, and then through the fifth valve 135 on the hot water outlet pipe 15.
The condensed water circulation system 5 completes circulation through the circulation pipeline 24, the eleventh valve 252, the air channel condensation section, the twelfth valve 253, the thirteenth valve 254, the filter 23 and the cold end 32. Wherein the pump 21 is connected with the condensing section of the air duct through one path of a three-way valve 25.
Preferably, the heat exchanger is a thermoelectric refrigeration device 30, the thermoelectric refrigeration device 30 has a cold end 32 and a hot end 31, and water exchanging heat with the first part of condensed water passes through the hot end 31; the water exchanges heat with the condensed water through the hot end 31 to form first hot water. Preferably, the temperature of the second hot water is detected, if the temperature reaches the preset temperature, the second hot water is directly utilized, and if the temperature does not reach the preset temperature, the temperature of the first hot water can be controlled by controlling the flow of water passing through the hot end through mixing the first hot water with the second hot water.
As shown in fig. 5, the water path of the condensed water circulation mainly has two paths, one path is condensed by the cold end 32 of the thermoelectric refrigerating device 30, and then filtered by the filtering device, and then introduced into the condensation air duct again to exchange damp and heat with the damp and hot air. The other path passes through the hot end 31 of the thermoelectric refrigerating device 30, and the waste heat in the condensed water is utilized to form hot water. Wherein, the hot water can be directly utilized, or can be stored by a heat preservation water outlet tank for standby; after the temperature of the hot water flowing out of the hot end 31 is detected, if the temperature reaches the storable temperature, the hot water can be stored, and if the temperature cannot reach the storable temperature, the speed of the cold water entering the thermoelectric refrigerating device 30 is directly controlled to increase the temperature of the hot water, i.e. the temperature of the hot water flowing out of the hot water outlet pipe can be controlled.
The air duct condensation section 3 of fig. 1 has condensation effect, namely, is formed into the condenser of fig. 2 and 5.
In addition, the invention also provides a washing machine which is provided with the drying device.
As shown in fig. 1-4, when the washing and drying integrated machine of the invention is in drying operation, hot and humid air is formed by heat exchange between the air and the load in the cylinder 4, the hot and humid air carries impurities such as filth and the like, and after the impurities are filtered, the hot and humid air enters the air channel condensation section 3 through the connecting channel of the condensation section air channel and the cylinder 4; the condensed water enters the air channel condensation section 3 through the condensed water inlet 2; the condensed water moving downwards contacts with the hot and humid air moving upwards and carries out heat and humidity exchange; the humidity of the damp and hot air is reduced under the action of condensed water; the condensed water absorbs the heat released by the hot and humid air and the temperature rises; the damp and hot air enters the cylinder 4 after being heated by the air duct heating section 1 and exchanges heat and humidity with the load again; the condensed water passes through the cold end 32 of the thermoelectric refrigerating device 30, releases heat under the action of the thermoelectric refrigerating device 30, enters the air duct condensation section 3 again under the action of the filter to exchange heat and humidity with the hot and humid air, and circulates according to the heat exchange; while the condensed water passes through the cold side 32 of the thermoelectric refrigeration device 30, a significant amount of energy is released which, under the influence of the thermoelectric refrigeration device 30, can be used to heat the water for washing or stored for later use. As shown in fig. 4, the working principle of thermoelectric refrigeration is illustrated, and the transfer of heat Q1, Q2 is achieved by movement of electric charges.
According to the thermoelectric condensate water recycling device, the thermoelectric refrigerating device 30 is utilized to recycle the energy in the condensate water heated by the hot and humid air, and the condensate water can be reintroduced into the air duct condensation section 3 for use through the filtering device, so that the efficient recovery and recycling of the condensate water and heat are achieved, the national standard of energy conservation and emission reduction is met, the added value of a washing machine product is improved, and the user experience is facilitated.
The beneficial effects are that:
the invention has at least the following beneficial effects:
the device can realize the functions of condensed water and waste heat thereof, can solve the problem of high water consumption of the washing and drying integrated machine from the source, reduces the energy consumption of the whole washing period, improves the drying efficiency, effectively avoids the problem of noise aggravation in the use process, and improves the use experience of products.
1. Solves the problem of high water consumption of the washing and drying integrated machine from the source: the condensed water is cooled by the thermoelectric refrigerating device 30, and then the filth in the condensed water is removed by the filtering device, and the condensed water reaches the requirement of reintroducing the condensed air duct to exchange heat with the hot humid air by the action of the two devices, so that the condensed water can be recycled, and the problem of high water consumption in the drying work of the washing and drying integrated machine is fundamentally solved;
2. avoiding waste heat pollution and improving the utilization rate of energy sources: after the condensed water exchanges damp and heat with damp and hot air, the temperature rise of the condensed water is about 40-60K, and a large amount of waste heat is carried in the condensed water and directly discharged into the environment, so that waste heat pollution is caused. The waste heat in the condensed water is recycled through the thermoelectric refrigerating device, so that waste heat pollution is avoided, the utilization rate of energy sources is improved, and the energy consumption of the whole washing period is reduced.
3. The possibility of noise aggravation in the use process is reduced: the condensed water enters the condensing air duct through the action of the pump body or is discharged out of the washing machine, and the possibility of blockage of the pump body and the pipeline is reduced through the action of the filtering device, so that the problem that the accumulated noise is gradually aggravated along with the working time of the washing machine is effectively avoided.
4. The use experience of the product is improved: the device in the patent proposal can realize the reduction of water consumption and power consumption in the whole washing period, accords with the energy conservation and emission reduction targets advocated by the current country, improves the overall stability of the washing machine, and is beneficial to improving the use experience of users on products.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that this disclosure is not limited to the particular arrangements, instrumentalities and methods of implementation described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (5)
1. A drying device for recycling condensate water is characterized in that: including barrel (4), wind channel condensing zone (3), wind channel heating zone (1), heat exchanger, filter, wherein:
the air duct condensation section is used for the damp-heat exchange of condensed water and damp-heat air;
the air duct condensation section (3) is provided with a first inlet, a first outlet, a second inlet and a second outlet, wherein the first inlet and the first outlet are used for hot and humid air, and the second inlet and the second outlet are used for condensed water; during drying, hot and humid air flowing out of the cylinder body (4) enters the air channel condensation section (3) through the first inlet and flows out of the air channel condensation section (3) through the first outlet; the condensed water enters the air channel condensing section (3) from the second inlet, flows out of the air channel condensing section (3) from the second outlet, and exchanges heat with the hot and humid air in the air channel condensing section (3);
the heat exchanger is a thermoelectric refrigerating device (30), the thermoelectric refrigerating device (30) is provided with a cold end (32) and a hot end (31), wherein the cold end (32) of the thermoelectric refrigerating device (30) is provided with a cold end heat flow cavity for flowing condensed water to exchange heat with the cold end, and the hot end (31) of the thermoelectric refrigerating device (30) is provided with a hot end heat flow cavity for flowing heat exchange medium to exchange heat with the hot end;
after flowing out from the second outlet, the condensed water passes through the filter (23) and exchanges heat with the cold end (32) of the thermoelectric refrigerating device (30), and the thermoelectric refrigerating device (30) transmits the heat absorbed by the cold end to a heat exchange medium for exchanging heat with the hot end;
after exchanging heat with the cold end (32) of the thermoelectric refrigerating device (30), the condensed water enters the air duct condensation section (3) from the second inlet again for circulating heat exchange;
the cylinder (4) is provided with a third inlet and a third outlet, the hot and humid air flows out from the first outlet and then enters the air duct heating section for heating to form hot and dry air, then the hot and dry air enters the cylinder through the third inlet, the hot and humid air exchanges with a load in the cylinder, the hot and humid air is formed again, and flows out from the third outlet and then reenters the first inlet, so that the hot and humid air circulates, and the whole drying process is formed;
the heat exchange medium of the heat exchanger is water; the water exchanges heat with condensed water through the hot end (31) to form first hot water.
2. The drying apparatus according to claim 1, wherein: the first inlet and the second outlet are positioned at the lower part of the air channel condensation section (3), and the first outlet and the second inlet are positioned at the upper part of the air channel condensation section (3), so that condensed water and hot humid air perform heat convection in the air channel condensation section (3).
3. The drying apparatus according to claim 1 or 2, wherein: the drying device is also provided with a water tank (11), and the first hot water is stored in the water tank (11) and is used as washing water for standby.
4. A drying apparatus according to claim 3, wherein: and detecting the temperature of the first hot water, if the temperature reaches the preset temperature, directly utilizing the first hot water, and if the temperature does not reach the preset temperature, controlling the temperature of the first hot water by controlling the flow of water passing through the hot end.
5. A washing apparatus, characterized in that it has a drying apparatus as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150058.3A CN110777520B (en) | 2019-11-21 | 2019-11-21 | Drying device and washing machine capable of recycling condensed water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150058.3A CN110777520B (en) | 2019-11-21 | 2019-11-21 | Drying device and washing machine capable of recycling condensed water |
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| Publication Number | Publication Date |
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| CN110777520A CN110777520A (en) | 2020-02-11 |
| CN110777520B true CN110777520B (en) | 2023-06-13 |
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| CN114672968A (en) * | 2020-12-24 | 2022-06-28 | 青岛海尔洗衣机有限公司 | Clothes dryer |
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