CN105986446B - Drying system and its application method - Google Patents
Drying system and its application method Download PDFInfo
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- CN105986446B CN105986446B CN201510047971.6A CN201510047971A CN105986446B CN 105986446 B CN105986446 B CN 105986446B CN 201510047971 A CN201510047971 A CN 201510047971A CN 105986446 B CN105986446 B CN 105986446B
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Abstract
The present invention provides a kind of heat pump drying system and its application method.The system includes the blower and evaporator, supplementary heat exchanger, collecting container and water pump for generating air-flow, and the flow path for the air-flow that the blower generates is arranged in the evaporator and the supplementary heat exchanger；When the air-flow passes through the evaporator, the evaporator absorbs heat from the air-flow, reduces the temperature of the air-flow, makes the Water vapor condensation for including in the air-flow at condensed water；The collecting container collects the condensed water that the evaporator generates；The supplementary heat exchanger is connected to the collecting container, and the water pump is connect with the supplementary heat exchanger, and the water pump drives the condensed water in the collecting container to enter in the supplementary heat exchanger；When the air-flow passes through the supplementary heat exchanger, the condensed water in the supplementary heat exchanger absorbs heat from the air-flow, reduces the temperature of the air-flow.
Description
Technical field
The present invention relates to drying system and its application methods, and in particular to a kind of drying system and its use with heat pump
Method.
Background technique
The drying system of common clothes washer-dryer or dryer generally comprises electric-heating water condensation drying system, electric heating
Several types such as air-cooled solidifying drying system and the heat pump drying system of evaporator condensation combination condenser heating.Relatively
In first two drying system, heat pump drying system is comparatively energy saving, and market application prospect is more wide.
The core component of heat pump drying system is heat pump system, mainly includes compressor, condenser, throttling set
Circulated in the heat exchange circulation that these components are constituted with components, refrigerants such as evaporators, and can condenser with it is low
Heat is exchanged with the external world respectively in warm evaporator.In addition heat pump drying system generally further includes for accommodating object to be dried
Expect the drying cylinder of (such as wet clothing), and the blower for driving air to flow.In use, blower driving air flowing and
The air-flow for being used to dried material is formed, which first passes through condenser, is absorbed by entering in drying cylinder after condenser heat temperature raising
Moisture in material.After absorbing moisture, the humidity of air-flow increases, and then passes through evaporator, temperature is reduced by evaporator, and gas
The vapor carried in stream also condenses into condensed water because temperature reduces, and the humidity of air-flow is caused to reduce.The condensed water passes through
Drainage mechanism discharge, the air-flow of the low temperature and low humidity come out from evaporator are again introduced into condenser heating, become the gas of high temperature low humidity
Moisture absorption in drying cylinder is reentered after stream, so circulation is gone down, until the humidity of material is reduced to scheduled requirement in drying cylinder.
In the above-mentioned course of work of heat pump drying system, other than evaporator can provide cooling effect, In
The temperature of the condensed water formed under the cooling effect of evaporator is generally 20-30 DEG C, relative to the high humidity come out from drying cylinder
Temperature is very low for spending air-flow, if this partial condensation water is used to make the cooling that the air-flow come out from drying cylinder assists
With being technically that may be implemented.However, this partial condensation water is usually all straight in existing heat pump drying system
Run in, not be utilized.That is, generally there are what cooling capacity wasted to ask for existing heat pump drying system
Topic, may will increase the workload of evaporator, while also consuming more electric power in this way.
Therefore, it is necessary to be improved to existing technology, to solve the above technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of drying systems, can return to the cooling capacity of the condensed water wherein formed
It receives and utilizes.
In addition, there is a need to provide application method corresponding with above-mentioned drying system.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of drying system, including the blower for generating air-flow；The drying system further includes evaporator, auxiliary heat-exchanging
The flowing road for the air-flow that the blower generates is arranged in device, collecting container and water pump, the evaporator and the supplementary heat exchanger
Diameter；When the air-flow passes through the evaporator, the evaporator absorbs heat from the air-flow, reduces the temperature of the air-flow
Degree, makes the Water vapor condensation for including in the air-flow at condensed water；The collecting container collects the condensation that the evaporator generates
Water；The supplementary heat exchanger is connected to the collecting container, and the water pump is connect with the supplementary heat exchanger, and the water pump drives
The condensed water moved in the collecting container enters in the supplementary heat exchanger；When the air-flow passes through the supplementary heat exchanger,
Condensed water in the supplementary heat exchanger absorbs heat from the air-flow, reduces the temperature of the air-flow.
The drying system further includes shell, and the shell offers the air duct for the airflow, the evaporator
It is all disposed in the air duct with the supplementary heat exchanger；The shell is also provided with water outlet, the position of the water outlet with
The position of the evaporator is corresponding, or, the collection corresponding with the position of the position of the evaporator and the supplementary heat exchanger
The lower section of the water outlet is arranged in water container；The condensation that the condensed water or the evaporator that the evaporator generates generate
It water and is formed when the temperature of the air-flow is reduced by the supplementary heat exchanger by the Water vapor condensation for including in the air-flow
Condensed water is fallen into the collecting container by the water outlet.
The drying system further includes condenser, throttling set and compressor, wherein the high pressure side outlet of the compressor
It is directly or indirectly connect with the entrance of the condenser, the outlet of the condenser is connected to described by the throttling set
The entrance of evaporator, the outlet of the evaporator and the low side outlets of compressor directly or indirectly connect；The condenser
It is also disposed in the air duct, when the air-flow passes through the condenser, the condenser heats the air-flow, increases institute
State the temperature of air-flow.
The drying system further includes filter device, and the filter device is also disposed in the air duct, and the filtering
Device, supplementary heat exchanger, evaporator and condenser along the outlet of the entrance from the air duct to the air duct direction successively
It is arranged in the air duct.
The drying system further includes valve mechanism, and the valve mechanism is check valve, and the collecting container passes through described
Check valve is connect with the entrance of the supplementary heat exchanger, and the outlet of the water pump and the supplementary heat exchanger directly or indirectly connects
It connects；The check valve allows fluid to flow into the supplementary heat exchanger from the collecting container, but fluid is prevented to change from the auxiliary
Hot device flows back into the collecting container.
The drying system further includes valve mechanism, and the valve mechanism includes supervisor, bypass pipe, check valve and electronics
Valve, the collecting container are connect by the supervisor with the entrance of the supplementary heat exchanger, the water pump and the auxiliary heat-exchanging
The outlet of device directly or indirectly connects；The check valve is arranged in the supervisor, allows fluid from the supervisor from institute
It states collecting container and flows into the supplementary heat exchanger, but it is described to prevent fluid from flowing back by the supervisor from the supplementary heat exchanger
In collecting container；The bypass pipe both ends are connected to the supervisor, and the both ends of the bypass pipe are in the main pipe
The opening of formation is located at the entrance side and outlet side of the check valve；The electronic valve is set in the bypass pipe, control
Make the closing and conducting of the bypass pipe.
The height of the entrance of the supplementary heat exchanger lower than the supplementary heat exchanger outlet height, and the water pump with
The outlet of the supplementary heat exchanger directly or indirectly connects；Condensation water inventory in the collecting container is more than preset the
When one threshold value, the water pump aspirates the condensed water in the collecting container via the supplementary heat exchanger, to drive
Condensed water in the collecting container enters the supplementary heat exchanger；It is closed in the blower, and in the supplementary heat exchanger
Condensation water inventory exceed preset second threshold when, the water pump aspirates the condensed water in the supplementary heat exchanger,
The condensed water in the supplementary heat exchanger is discharged.
The drying system further includes the drying cylinder for accommodating material to be dried, and the drying cylinder is arranged in the gas
On the circulating path of stream, the air-flow passes through the drying cylinder under the driving of the blower, to the material in the drying cylinder
It is dried；The drying cylinder is directly or indirectly connected to the entrance in the air duct, the air-flow being discharged from the drying cylinder
Entered in the air duct by the entrance in the air duct.
The present invention also provides a kind of application method of drying system, the method use above-mentioned drying system, and including
Following steps:
Start the blower, generates air-flow and material to be dried is dried, flash to the moisture in the material
Vapor, the air-flow become the high humidity air stream comprising the vapor；
The high humidity air stream is imported into the air duct, makes it through the supplementary heat exchanger and the evaporator and condensation
Device；When the high humidity air stream passes through the evaporator, is cooled down using the evaporator to it, make the high humidity air stream packet
The Water vapor condensation contained is at condensed water, and by the condensation water collection into the collecting container；
It, will be described cold using the water pump when condensation water inventory in the collecting container is more than preset first threshold
Condensate sucks in supplementary heat exchanger；
When being imported into the high humidity air stream in the air duct by the supplementary heat exchanger, the supplementary heat exchanger is utilized
In condensed water absorb the heat of the high humidity air stream, reduce the temperature of the high humidity air stream, make the high humidity air stream
In include Water vapor condensation at condensed water.
The method also includes following steps:
When the humidity of the material is reduced to preset humidity threshold or less, the blower is closed；
It controls the electronic valve to open, empties the condensed water in the supplementary heat exchanger from the bypass pipe.
The lower condensed water of temperature that the drying system and its application method that the present invention discloses can generate evaporator is defeated
It is sent in the heat exchanger added, cools down for the air-flow to the high humility being discharged in drying cylinder.It so on the one hand can be right
Air-flow for dried material carries out more thorough cool-down dehumidification processing, is on the other hand also recycled to the cooling capacity of condensed water
It utilizes, so that drying system is more efficient, energy conservation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the heat pump drying system that first embodiment of the invention provides.
Fig. 2 is the structural schematic diagram of the supplementary heat exchanger in heat pump drying system shown in FIG. 1.
Fig. 3 is the structural schematic diagram for the heat pump drying system that second embodiment of the invention provides.
Fig. 4 is the signal of the auxiliary valve structure for the heat pump drying system that third embodiment of the invention provides
Figure.
Fig. 5 is the schematic diagram of working condition of the auxiliary valve structure shown in Fig. 4 in condensed water inflow heat exchanger.
Fig. 6 is the schematic diagram of working condition of the auxiliary valve structure shown in Fig. 4 when condensed water is discharged from heat exchanger.
Specific embodiment
Referring to Fig. 1, an embodiment of the invention provides a kind of drying system, the drying system in the present embodiment
System is the heat pump drying system heated using evaporator condensation combination condenser, including compressor 1, condenser 2, throttling dress
Set 3, evaporator 4, filter device 5, collecting container 6, water pump 7, blower 8, drying cylinder 9, water tank 10 and supplementary heat exchanger 11.
Drying cylinder 9 is used to accommodate the material for needing to be dried, such as wet clothing.Drying cylinder 9 is equipped with air inlet, and (figure is not
Show) and air outlet (not shown), the air of high temperature low humidity can be blown into 9 inside of drying cylinder (in such as figure from the air inlet of drying cylinder 9
Shown in arrow A1), the material in drying cylinder 9 is dried, the moisture in material is made to be evaporated, and carry from material
(as shown in arrow A2 in figure) is discharged from the air outlet of drying cylinder 9 in the high temperature and humidity air for the vapor being evaporated.Filtering dress
It sets 5, supplementary heat exchanger 11, evaporator 4, condenser 2 to be all mounted in a shell A, constitutes the air of heat pump drying system
Circular treatment unit, for carrying out circular treatment to the air-flow being discharged from the air outlet of drying cylinder 9；Shell A also be provided with into
Air port (not shown) and air outlet (not shown), and air duct C is formed between the air inlet and air outlet of shell A.The shell
Air inlet is directly or indirectly connected to the air outlet of drying cylinder 9, filter device 5, supplementary heat exchanger 11, evaporator 4, condenser
2 move closer to the direction of the air outlet (i.e. the outlet of air duct C) of shell A along the air inlet (i.e. the entrance of air duct C) from shell A
It is arranged in order in the C of air duct, the air of the air inlet into shell A is in turn changed by filter device 5, auxiliary
Hot device 11, evaporator 4, condenser 2 and by circular treatment, then again from the air outlet of shell A be discharged.Blower 8 is mounted on shell
Between the air outlet (i.e. the exit of air duct C) and the air inlet of drying cylinder 9 of body A, air can be driven to form air-flow, by air-flow
It is blown into drying cylinder 9, and the air-flow of the circular treatment by air circulation processing unit is blown into drying cylinder 9 again, to make gas
Stream cyclically flows in drying cylinder 9 and air circulation processing unit.For blower 8, above-mentioned air circulation processing is single
The all parts of member are arranged from the distant to the near according to the sequence of filter device 5, supplementary heat exchanger 11, evaporator 4, condenser 2
On the air inlet path of blower 8；That is, air before being sucked by blower 8, first have in turn to flow through filter device 5,
Supplementary heat exchanger 11, evaporator 4, condenser 2.
In addition, compressor 1, condenser 2 also with throttling set 3, evaporator 4 and be filled in compressor 1, condenser 2,
The refrigerant (not shown) of presentation fluid state in throttling set 3 and evaporator 4 constitutes the heat pump system of the drying system together
System.Wherein the high pressure side outlet of compressor 1 is directly or indirectly connect with the entrance of condenser 2, and the outlet of condenser 2 passes through section
Stream device 3 is connected to the entrance of evaporator 4, and the outlet of evaporator 4 directly or indirectly connects with the low side outlets of compressor 1
It connects, to form the circulating path of refrigerant.When work, the system of (such as gaseous state, liquid or gas-liquid two-phase) of fluid state
After cryogen is compressed in compressor 1, it is transported to condenser 2 from compressor 1, and flows successively through condenser 2,3 and of throttling set
Evaporator 4, then compressor 1 is back flowed back into from evaporator 4, so circulate.According to existing refrigeration principle, refrigerant is each
Can be to the external cooling of condenser 2 when flowing through condenser 2, it then can be from the outer of evaporator 4 when flowing through evaporator 4 every time
Heat is absorbed in portion's environment.Throttling set 3 can be capillary, mechanical throttle device, electric expansion valve, heating power expansion valve or section
The various types such as manifold solenoid valve.
Collecting container 6 is arranged below evaporator 4, and effect is the air-flow in high humility by evaporator 4, takes in air-flow
When the vapor of band condenses into condensed water because of the heat-absorbing action of evaporator 4, the condensation water collection that will be fallen from evaporator 4
Get up.In order to more advantageously reach this purpose, correspond at least partly bottom of evaporator 4 in present embodiment on shell A
The position in portion offers water outlet B, and collecting container 6 is undertaken below water outlet B, when the droplet shape for having condensed water on evaporator 4
Cheng Shi, droplet will voluntarily be fallen into collecting container 6 under the effect of gravity.In addition, in the present embodiment, collecting container 6 is same
When be also disposed at the lower section of supplementary heat exchanger 11.Collecting container 6 by the entrance of pipeline 61 and supplementary heat exchanger 11 directly or
The outlet of ground connection connection, supplementary heat exchanger 11 is directly or indirectly connected to by pipeline 71 with the entrance of water pump 7, and water pump 7 goes out
Mouth is connected to by pipeline 72 with water tank 10.Referring to Fig. 2, the shape of the supplementary heat exchanger 11 in present embodiment is snakelike flat
Pipe, one end are arranged to entrance, connect with pipeline 61；Its other end is arranged to export, and connect with pipeline 71.In other realities
It applies in mode, supplementary heat exchanger 11 is also possible to other shapes, as long as it can flow to evaporator 4 with from filter device 5
Enough heat transfer effects are generated between air-flow.In addition, adding in the present embodiment for the convenience used to the heat pump
When hot drying system is assembled, it is preferable that the height of the entrance of supplementary heat exchanger 11 is made to be lower than the height of outlet, and pipeline 61
It is integrally placed at below the entrance of supplementary heat exchanger 11.
The drying system that present embodiment provides by use, refrigerant circulates in above-mentioned heat pump system, and
And the heat dissipation when flowing through condenser 2, heat absorption when flowing through evaporator 4.Blower 8 drives air to follow in drying cylinder 9 and above-mentioned air
It is circulated in ring processing unit.When air-flow passes through evaporator 4, temperature is reduced by evaporator 4, and the water carried in air-flow steams
Condensed water is formed in airsetting, is fallen into collecting container 6, can thus be dehumidified to air-flow.Air-flow by dehumidifying flows through cold
Condenser 2 is heated by condenser 2, and then the air-flow of high temperature low humidity is blown into drying cylinder 9 by blower 8, to the object accommodated in drying cylinder 9
Expect that for example wet clothing carries out drying and processing.During drying and processing, the moisture in material is evaporated in air.Carry water
The air-flow of steam is discharged from drying cylinder 9, then reenters in air circulation processing unit, first passes around filter device 5
Filtering then flows through supplementary heat exchanger 11, again flows through evaporator 4 and condenser 2 later to remove solid impurity therein, with
Just it is dehumidified and is heated, to form the air-flow of high temperature low humidity again, drying cylinder 9 is blown by blower 8 and carries out next round
Drying and processing so recycles, until the humidity of materials in drying cylinder 9 meets the requirements.
In the present embodiment, it (such as catchments when the condensation water inventory in collecting container 6 reaches scheduled first threshold
When the water level of condensed water in container 6 reaches a scheduled height), water pump 7 is activated, and drives the condensation in collecting container 6
Water is discharged into water tank 10 by pipeline 61, supplementary heat exchanger 11, pipeline 71 and pipeline 72, is prevented the total amount of condensed water from exceeding and is catchmented
The volume of container 6.When condensed water is flowed through from supplementary heat exchanger 11, due to usually only 20-30 DEG C of temperature of condensed water, phase
Than in significant lower from temperature for the high humidity air stream being discharged in drying cylinder 9, therefore when air-flow is between supplementary heat exchanger 11
When passing through in gap, condensed water can absorb heat from air-flow, thus before air-flow reaches evaporator 4, just to a certain degree
On cooling processing is carried out to air-flow so that the part Water vapor condensation carried in air-flow is at condensed water.In this way, air-flow is cold in arrival
It can be handled by respectively by the cool-down dehumidification twice that supplementary heat exchanger 11 and evaporator 4 carry out before condenser 2, with the prior art
Heat pump drying system compared to effect on moisture extraction it is more preferable；On the other hand, the remaining cooling capacity for the condensed water that evaporator 4 is formed also obtains
Effective utilization has been arrived, has been conducive to energy saving.In present embodiment, since collecting container 6 is arranged simultaneously in evaporator 4 and auxiliary
The lower section of heat exchanger 11 is helped, therefore can be by adjusting the size of water outlet B, so that the condensed water formed on supplementary heat exchanger 11
It can also be fallen on by water outlet B in collecting container 6, to be collected.In other embodiments, it is also possible to using other
Collecting part collects the condensed water formed on supplementary heat exchanger 11.
In addition, excessive condensed water is trapped in supplementary heat exchanger 11 and causes when drying system does not work in order to prevent
It breeds bacterium, generate the adverse effects such as peculiar smell, after blower 8 is closed, can continue with water pump 7 to cold in supplementary heat exchanger 11
Condensate is aspirated, so that the condensed water in collecting container 6 is sucked completely completely, whole or big portion in supplementary heat exchanger 11
Condensed water is divided to be also drawn off, thus.It in practical applications, can be auxiliary using such as water level sensor measurement of existing monitoring means
The condensation water inventory in heat exchanger 11 is helped, if the condensation water inventory in supplementary heat exchanger 11 reaches scheduled second threshold (example
As soon as reach a scheduled height such as the water level of the condensed water in supplementary heat exchanger 11), using water pump 7 from supplementary heat exchanger 11
Middle suction condensed water (it is appreciated that being the condensed water aspirated by supplementary heat exchanger 11 in collecting container 6 in fact at this time), until
Condensation water inventory in supplementary heat exchanger 11 drops to scheduled second threshold or less.It is appreciated that cold in collecting container 6 at this time
Condensate is sucked completely completely, and the wholly or largely condensed water in supplementary heat exchanger 11 is also drawn off, and can be effectively kept
The health of drying system.
Referring to Fig. 3, second embodiment of the invention provides a kind of drying system, most of feature be can refer to
The drying system that first above-mentioned embodiment provides, the difference of the drying system provided with first above-mentioned embodiment
Then it is, the drying system that second embodiment of the invention provides further includes valve mechanism 12.The valve mechanism 12 is single
To valve, it is arranged in the pipeline 61 being connected between collecting container 6 and supplementary heat exchanger 11, allows fluid such as condensed water in water
Supplementary heat exchanger 11 is flowed into from collecting container 6 under the driving of pump 7, but fluid is prevented to flow back into collecting container from supplementary heat exchanger 11
In 6.In this way, after condensed water is drawn into supplementary heat exchanger 11 by water pump 7, even if water pump 7 temporarily ceases work, auxiliary valve
Structure 12 is also ensured in supplementary heat exchanger 11 that still there are condensed waters, can continue to the air-flow for flowing through supplementary heat exchanger 11
Cool down.It so can be so that water pump 7 be conducive to save without being always maintained at operating during the work of supplementary heat exchanger 11
The about maintenance of the energy and equipment.
Fig. 4, Fig. 5 and Fig. 6 are please referred to, third embodiment of the invention provides a kind of drying system, most of special
Sign can refer to the drying system that second above-mentioned embodiment provides, the drying provided with second above-mentioned embodiment
The difference of system is then that the drying system that third embodiment of the invention provides uses 120 generation of alternative valve structure
Above-mentioned valve mechanism 12 is replaced.Since other features of the drying system can be mentioned referring to second above-mentioned embodiment
The drying system of confession, therefore fig. 4 to fig. 6 does not show the entire infrastructure of the drying system, just shows its valve mechanism
120 specific structural features.
Valve mechanism 120 includes supervisor 120a and bypass pipe 120b.In present embodiment, collecting container 6 and auxiliary are changed
The pipeline 61 that hot device 11 is connected to includes two pipeline sections being separated from each other, and one of pipeline section is connected to collecting container 6, another pipe
Section is connected to supplementary heat exchanger 11, and is responsible for 120a and is connected between the two pipeline sections, the two pipeline sections is made to pass through supervisor 120a
It is interconnected.Check valve 123 is equipped with inside main pipeline 120a, the structure of the check valve 123 can be with above-mentioned 12 phase of check valve
Seemingly.The both ends of bypass pipe 120b all be connected tos with supervisor 120a, and the both ends of bypass pipe 120b are formed being responsible for inside 120a
Opening is located at the entrance side and outlet side of check valve 123.In this way, supervisor 120a and bypass pipe 120b can be considered to be simultaneously
It is associated between collecting container 6 and supplementary heat exchanger 11.In other embodiments, one of pipeline 61 can also directly be used
Divide and serves as supervisor 120a.Electronic valve is equipped in bypass pipe 120b, which can be existing electric expansion valve, including fixation
Ground is mounted on valve body 121 and the spool 122 movable relative to valve body 121 in by-pass line 120b, and valve body 121 is logical with fluid
Road, and the fluid channel can be blocked or be opened relative to the movement of valve body 121 by spool 122, also electronic valve is closed or
It opens.The specific structural features and control mode of the electronic valve are referred to the prior art, herein without repeating.
The material in its drying cylinder 9 is dried in the drying system provided using third embodiment of the invention
When processing, electronic valve therein keeps normally off (i.e. spool 122 is maintained at the position for blocking the fluid channel of valve body 121),
And the application method of check valve 123 and above-mentioned check valve 12 are similar, i.e., permission fluid flows into supplementary heat exchanger from collecting container 6
11, but fluid is prevented to flow back into collecting container 6 from supplementary heat exchanger 11.At this point, the application method of the drying system can be with this
The application method for the drying system that second embodiment of invention provides is completely the same.It completes in the drying system to drying cylinder
In 9 after the drying process of material, blower 8 and water pump 7 can be first closed, electronic valve is then manipulated and opens (i.e. manipulation 122 court of spool
Direction far from valve body 121 is mobile, and spool 122 is made no longer to block the fluid channel of valve body 121).At this moment, due to supplementary heat exchanger
The height of 11 entrance is lower than the height exported, and pipeline 61 is integrally placed at below the entrance of supplementary heat exchanger 11, therefore assists
The condensed water retained in heat exchanger 11 can be flowed out from the entrance of supplementary heat exchanger 11 under the effect of gravity, and pass through bypass pipe
120b is flowed into collecting container 6.The water in supplementary heat exchanger 11 can thus be arranged when the drying system is not used by
Out, it prevents this part water from breeding bacterium inside drying system and generates peculiar smell.It is appreciated that in discharge supplementary heat exchanger 11
Water when can also provide drainage power using the equipment such as water pump, thus need not be by the entrance of supplementary heat exchanger 11
Height be arranged to lower than supplementary heat exchanger 11 outlet height.
In addition, the application method can be appointed by above-mentioned the present invention also provides a kind of application method of drying system
The drying system that a drying system embodiment of anticipating provides is completed.As an example, herein to a user of the invention
The application method for the drying system that method embodiment provides is illustrated, and this method includes each step below:
S1: the drying system for selecting any one above-mentioned drying system embodiment to provide, in the dry of the drying system
Material to be dried, such as wet clothing are put into dry cylinder 9；
S2: starting blower 8 generates the air-flow for passing through drying cylinder 9, dries to material, evaporate the moisture in material
At vapor, the high humidity air stream containing vapor is discharged from drying cylinder 9；
S3: starting compressor 1 in compressor 1, condenser 2, throttling set 3 and is steamed according to existing method driving refrigerant
It is circulated in hair device 4, and the heat dissipation when flowing through condenser 2, heat absorption when flowing through evaporator 3；
S4: high humidity air stream is imported into air duct C, it is made to pass sequentially through filter device 5, supplementary heat exchanger 11,4 and of evaporator
Condenser 2；When the high humidity air stream passes through evaporator 4, temperature is reduced by evaporator 4, makes the high humidity air stream include
Water vapor condensation is fallen into collecting container 6 at condensed water, the condensed water by water outlet B, while the humidity of air-flow is lowered；It is logical
Next low humidity air-flow after pervaporation device 4 is heated when through condenser 2, become high temperature low humidity air-flow；
S5: using blower 8 above-mentioned high temperature low humidity air-flow is imported into drying cylinder 9 again and material is dried, to be formed
Airflow circulating；
S6: when the condensation water inventory in the collecting container 6 is more than preset first threshold (such as in collecting container 6
The water level of condensed water when reaching a scheduled height), start water pump 7 via the supplementary heat exchanger 11 to collecting container 6
In condensed water aspirated, will condensed water suck supplementary heat exchanger 11 in；
S7: cold in the supplementary heat exchanger 11 when being imported into the high humidity air stream of air duct C by the supplementary heat exchanger 11
Condensate absorbs the heat of the high humidity air stream, reduces the temperature of the high humidity air stream, so that the part water of the high humidity air stream steams
Gas condenses into condensed water under the cooling effect of supplementary heat exchanger 11, thus before the high humidity air stream reaches evaporator 4, just
The humidity of the high humidity air stream is reduced to a certain extent；
S8: after the humidity of the material meets preset requirement (such as being reduced to preset humidity threshold or less),
Blower 8 is closed, takes out material from drying cylinder 9；
S9: after the blower 8 is closed, if the condensation water inventory in supplementary heat exchanger 11 reaches scheduled second threshold
While reaching a scheduled height (such as the water level of the condensed water in supplementary heat exchanger 11), using water pump 7 from supplementary heat exchanger
Condensed water (it is appreciated that being the condensed water aspirated in collecting container 6 by supplementary heat exchanger 11 in fact at this time) is aspirated in 11, directly
Scheduled second threshold or less is dropped to the condensation water inventory in supplementary heat exchanger 11.It is appreciated that at this time in collecting container 6
Condensed water is sucked completely completely, and the wholly or largely condensed water in supplementary heat exchanger 11 is also drawn off, and can effectively be protected
Hold the health of drying system.
It is appreciated that in the above-described embodiment, the sequence of the step S2 and S3 can exchange, and the step
S6 also will not necessarily be executed after step s 5, as long as condensation water inventory is more than that preset threshold is immediately begun to.
In another method implementation, selection is drying system that above-mentioned third drying system embodiment provides
System.The application method for the drying system that this method embodiment provides includes identical with above-mentioned first method embodiment
Step S1-S8, but with following step S10 instead of the step S9 in above-mentioned first method embodiment:
S10: after blower 8 is closed, the electronic valve for controlling drying system is opened, and makes the condensed water in supplementary heat exchanger 11 in weight
It is flowed back into collecting container 6 under power effect from bypass pipe 120b, so that the condensed water in supplementary heat exchanger 11 be emptied.
Obviously, the drain operation method that this method embodiment provides in step slo is more real than above-mentioned first method
It is more convenient to apply the drain operation method that mode is provided in step S9.
The lower condensed water of temperature that the drying system and its application method that the present invention discloses can generate evaporator is defeated
It is sent in the heat exchanger added, cools down for the air-flow to the high humility being discharged in drying cylinder.It so on the one hand can be right
Air-flow for dried material carries out more thorough cool-down dehumidification processing, is on the other hand also recycled to the cooling capacity of condensed water
It utilizes, so that drying system is more efficient, energy conservation.
It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention
Case, description above with respect to orientation such as "upper", "lower", "left", "right" is only to facilitate understand the contents of the present invention, not pair
Restriction of the invention.Although this specification is referring to the above embodiments, the present invention has been described in detail, ability
Domain it is to be appreciated by one skilled in the art that person of ordinary skill in the field still can modify or wait to the present invention
With replacement, and all do not depart from the technical solution and its improvement of the spirit and scope of the present invention, should all cover in power of the invention
In sharp claimed range.
Claims (9)
1. a kind of drying system, including the blower for generating air-flow；It is characterized by: the drying system further includes evaporation
The gas that the blower generates is arranged in device, supplementary heat exchanger, collecting container and water pump, the evaporator and the supplementary heat exchanger
The flow path of stream；When the air-flow passes through the evaporator, the evaporator absorbs heat from the air-flow, described in reduction
The temperature of air-flow makes the Water vapor condensation for including in the air-flow at condensed water；The collecting container is collected the evaporator and is produced
Raw condensed water；The supplementary heat exchanger is connected to the collecting container, and the water pump is connect with the supplementary heat exchanger, and institute
Stating water pump drives the condensed water in the collecting container to enter in the supplementary heat exchanger；It is changed in the air-flow by the auxiliary
When hot device, the condensed water in the supplementary heat exchanger absorbs heat from the air-flow, reduces the temperature of the air-flow；The baking
Dry systems further include valve mechanism, and the valve mechanism includes supervisor, bypass pipe, check valve and electronic valve, the collecting container
Connect by the supervisor with the entrance of the supplementary heat exchanger, the outlet of the water pump and the supplementary heat exchanger it is direct or
Grounding connection；The check valve is arranged in the supervisor, allows fluid from the supervisor from the collecting container and flows into institute
Supplementary heat exchanger is stated, but fluid is prevented to flow back into the collecting container by the supervisor from the supplementary heat exchanger；It is described
Bypass pipe both ends are connected to the supervisor, and position is distinguished in the opening that the main pipe is formed in the both ends of the bypass pipe
In the entrance side and outlet side of the check valve；The electronic valve is set in the bypass pipe, controls the pass of the bypass pipe
It closes and is connected.
2. drying system as described in claim 1, it is characterised in that: the drying system further includes shell, and the shell is opened
Equipped with the air duct for the airflow, the evaporator and the supplementary heat exchanger are all disposed in the air duct；The shell
Body is also provided with water outlet, and the position of the water outlet is corresponding with the position of the evaporator, or the position with the evaporator
Set corresponding with the position of the supplementary heat exchanger, the lower section of the water outlet is arranged in the collecting container；The evaporator produces
Condensed water that raw condensed water or the evaporator generate and when the temperature of the air-flow is reduced by the supplementary heat exchanger
It is fallen into the collecting container by the condensed water that the Water vapor condensation for including in the air-flow is formed by the water outlet.
3. drying system as claimed in claim 2, it is characterised in that: the drying system further includes condenser, throttling set
And compressor, wherein the high pressure side outlet of the compressor is directly or indirectly connect with the entrance of the condenser, it is described cold
The outlet of condenser is connected to the entrance of the evaporator by the throttling set, the outlet of the evaporator and compressor it is low
Pressure side outlet directly or indirectly connects；The condenser is also disposed in the air duct, passes through the condensation in the air-flow
When device, the condenser heats the air-flow, increases the temperature of the air-flow.
4. drying system as claimed in claim 3, it is characterised in that: the drying system further includes filter device, the mistake
Filter device is also disposed in the air duct, and the filter device, supplementary heat exchanger, evaporator and condenser are along from the wind
The direction of outlet in the entrance in road to the air duct is sequentially arranged in the air duct.
5. the drying system as described in any one of claim 1-4, it is characterised in that: the entrance of the supplementary heat exchanger
Height is lower than the height of the outlet of the supplementary heat exchanger, and the outlet of the water pump and the supplementary heat exchanger is direct or indirect
Ground connection；When condensation water inventory in the collecting container is more than preset first threshold, the water pump is via the auxiliary
Heat exchanger aspirates the condensed water in the collecting container, to drive described in the condensed water entrance in the collecting container
Supplementary heat exchanger；It is closed in the blower, and the condensation water inventory in the supplementary heat exchanger exceeds preset second threshold
When, the water pump aspirates the condensed water in the supplementary heat exchanger, and the condensed water in the supplementary heat exchanger is discharged.
6. the drying system as described in any one of claim 2-4, it is characterised in that: the drying system further includes being used for
The drying cylinder of material to be dried is accommodated, the drying cylinder is arranged on the circulating path of the air-flow, and the air-flow is described
Pass through the drying cylinder under the driving of blower, the material in the drying cylinder is dried；The drying cylinder and the air duct
Entrance be directly or indirectly connected to, the air-flow being discharged from the drying cylinder by the air duct entrance enter the air duct
It is interior.
7. drying system as claimed in claim 5, it is characterised in that: the drying system further includes to be dried for accommodating
The drying cylinder of material, the drying cylinder are arranged on the circulating path of the air-flow, and the air-flow is under the driving of the blower
By the drying cylinder, the material in the drying cylinder is dried；The entrance in the drying cylinder and the air duct directly or
It is connected to, enters in the air duct from the air-flow being discharged in the drying cylinder by the entrance in the air duct indirectly.
8. a kind of application method of drying system, which is characterized in that the method is used such as any one of claim 1-7 institute
The drying system stated, and the following steps are included:
Start the blower, generate air-flow and material to be dried is dried, the moisture in the material is made to flash to water steaming
Gas, the air-flow become the high humidity air stream comprising the vapor；
The high humidity air stream is imported into the air duct, makes it through the supplementary heat exchanger and the evaporator and condenser；
When the high humidity air stream passes through the evaporator, is cooled down using the evaporator to it, make the high humidity air stream include
Water vapor condensation at condensed water, and by the condensation water collection into the collecting container；
When condensation water inventory in the collecting container is more than preset first threshold, using the water pump by the condensed water
It sucks in supplementary heat exchanger；
When being imported into the high humidity air stream in the air duct by the supplementary heat exchanger, using in the supplementary heat exchanger
Condensed water absorbs the heat of the high humidity air stream, reduces the temperature of the high humidity air stream, makes to wrap in the high humidity air stream
The Water vapor condensation contained is at condensed water.
9. method according to claim 8, which is characterized in that the method also includes following steps:
When the humidity of the material is reduced to preset humidity threshold or less, the blower is closed；
It controls the electronic valve to open, empties the condensed water in the supplementary heat exchanger from the bypass pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910499211.7A CN110331566B (en) | 2015-01-30 | 2015-01-30 | Drying system and using method thereof |
| CN201510047971.6A CN105986446B (en) | 2015-01-30 | 2015-01-30 | Drying system and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510047971.6A CN105986446B (en) | 2015-01-30 | 2015-01-30 | Drying system and its application method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910499211.7A Division CN110331566B (en) | 2015-01-30 | 2015-01-30 | Drying system and using method thereof |
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| CN105986446A CN105986446A (en) | 2016-10-05 |
| CN105986446B true CN105986446B (en) | 2019-11-01 |
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| CN201510047971.6A Active CN105986446B (en) | 2015-01-30 | 2015-01-30 | Drying system and its application method |
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| CN107964770A (en) * | 2016-10-20 | 2018-04-27 | 青岛海尔洗衣机有限公司 | Water storage case, its judge system, its determination methods and dryer |
| CN107218790A (en) * | 2017-07-19 | 2017-09-29 | 深圳市捷晶能源科技有限公司 | A kind of heat-pump dehumidification drying device |
| CN108103749B (en) * | 2017-11-15 | 2024-03-12 | 珠海格力电器股份有限公司 | Washing machine heat pump system, washing and drying integrated washing machine and control method of heat pump system |
| US10774463B2 (en) | 2018-03-14 | 2020-09-15 | Haier Us Appliance Solutions, Inc. | Dryer appliance |
| CN109307388B (en) * | 2018-10-17 | 2024-03-26 | 广东申菱环境系统股份有限公司 | Water pan and heat pump dryer comprising same |
| CN109307403A (en) * | 2018-10-22 | 2019-02-05 | 广东芬蓝环境科技有限公司 | Enclosed drying system and double air duct enclosed drying systems |
| CN110670325B (en) * | 2019-10-15 | 2022-03-11 | 无锡小天鹅电器有限公司 | Condenser and clothes treatment device |
| CN112323340A (en) * | 2020-10-16 | 2021-02-05 | 青岛海尔空调器有限总公司 | Drying system and clothes treatment equipment comprising same |
| CN213772594U (en) * | 2020-10-16 | 2021-07-23 | 青岛海尔空调器有限总公司 | Drying system and clothes treatment equipment comprising same |
| CN112323341A (en) * | 2020-10-16 | 2021-02-05 | 青岛海尔空调器有限总公司 | Drying system and clothes treatment equipment comprising same |
| CN112227043B (en) * | 2020-10-16 | 2023-04-18 | 青岛海尔空调器有限总公司 | Drying control method of drying system |
| CN114481577B (en) * | 2020-10-27 | 2024-01-23 | 上海海尔洗涤电器有限公司 | Clothes dryer and clothes drying control method |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110331566A (en) | 2019-10-15 |
| CN110331566B (en) | 2021-03-19 |
| CN105986446A (en) | 2016-10-05 |
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