CN213273672U - Multifunctional heat pump dehumidification drying system - Google Patents

Multifunctional heat pump dehumidification drying system Download PDF

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Publication number
CN213273672U
CN213273672U CN202022223239.9U CN202022223239U CN213273672U CN 213273672 U CN213273672 U CN 213273672U CN 202022223239 U CN202022223239 U CN 202022223239U CN 213273672 U CN213273672 U CN 213273672U
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working chamber
dehumidification
air
air outlet
heat exchanger
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CN202022223239.9U
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Chinese (zh)
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平武臣
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Guangzhou Redao Energy Saving Technology Co ltd
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Guangzhou Redao Energy Saving Technology Co ltd
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Abstract

The utility model discloses a multifunctional heat pump dehumidification drying system, a first working chamber is communicated with a second working chamber through a first communicating port, a first heat exchanger is arranged at the first communicating port, the first working chamber is also provided with a return air inlet, a first air outlet and a second communicating port, the first heat exchanger is arranged between the second communicating port and the first air outlet, the return air inlet and the first air outlet are both used for communicating with a material drying room, a first condenser is arranged at the first air outlet, the second working chamber is provided with a first fresh air inlet and a second air outlet, a first evaporator is arranged at the second air outlet, a second condenser is arranged at the first air outlet, a second evaporator is arranged at a third dehumidification air channel port, fresh air precools and elutriates water in the third working chamber to carry out cooling and dehumidification on a refrigerant, and heats up through the first heat exchanger, heat is continuously absorbed when passing through the first condenser, the fresh air is dehumidified through the combination of waste gas waste heat and a loop, improve the dehumidification effect of new trend and stoving effect, it is energy-conserving high-efficient.

Description

Multifunctional heat pump dehumidification drying system
Technical Field
The utility model is used for drying equipment technical field especially relates to a multi-functional heat pump dehumidification drying system.
Background
The drying process is accompanied by the heated evaporation and dehumidification of the moisture. The heat pump drying unit absorbs low-temperature heat energy in air by using the reverse Carnot cycle principle, becomes high-temperature heat energy through heat collection of a heat pump system, and is transported to a drying room to circularly heat, dry and dehumidify materials. The dehumidification methods of the air source heat pump drying unit in the market are generally two types: open-loop dehumidification and closed-loop dehumidification. The open-loop dehumidification is to directly discharge damp and hot air in the drying room to the outside of the drying room through dehumidification and automatically supplement fresh air; the closed-loop dehumidification means that the hot and humid air in the drying room is directly condensed into water and discharged through a condensation dehumidification device such as an evaporator, the drying room can be relatively closed, the air in the drying room is not in contact with the outside, and the moisture in the hot and humid air is condensed into water and discharged through a refrigeration system in the drying room, so that the aim of reducing the air humidity in the drying room is fulfilled.
Among them, open-loop dehumidification has the following disadvantages: 1. the discharged damp and hot air takes away the moisture and the heat; 2. under the climatic condition with high humidity, the fresh air is used for carrying the environmental humidity into the drying room while dehumidifying, so that the drying speed is low and the energy consumption is high; 3. the energy efficiency ratio is severely restricted by the ambient temperature. Closed loop dehumidification has the following disadvantages: 1. the operation condition is greatly influenced by the change of the internal condition of the drying room, and the stability control of the refrigerating system is complex; 2. in the drying stage with lower relative humidity or for the material with less moisture content, the condensation and dehumidification effect of a small amount of water vapor is poor, and the energy consumption and the time consumption are both consumed. In the prior art, most drying equipment adopts a single open-loop dehumidification or closed-loop dehumidification mode, the corresponding defects exist, a few devices adopt the dehumidification mode combining open-loop dehumidification and closed-loop dehumidification, the humidity and the temperature caused by fresh air dehumidification still exist, and the drying effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an solve one of the technical problem that exists among the prior art at least, provide a multi-functional heat pump dehumidification drying system, it combines waste gas waste heat and refrigerant return circuit to dehumidify the new trend and heaies up, improves new trend dehumidification effect and stoving effect, and is energy-conserving high-efficient.
The utility model provides a technical scheme that its technical problem adopted is:
a multifunctional heat pump dehumidifying and drying system comprises
The working chamber comprises a first working chamber, a second working chamber and a third working chamber, the first working chamber is communicated with the second working chamber through a first communicating port, the first working chamber is provided with a first heat exchanger at the first communicating port, the first working chamber is also provided with a return air inlet, a first air outlet and a second communicating port, the first heat exchanger is positioned between the second communicating port and the first air outlet, the return air inlet and the first air outlet are both used for being communicated with the material drying room, the second working chamber is provided with a first fresh air inlet and a second air outlet, the third working chamber is internally provided with a second heat exchanger, the second heat exchanger divides the third working chamber into a fourth working chamber, a fifth working chamber and a sixth working chamber, the fourth working chamber is communicated with the first working chamber through the second communicating port, and the fourth working chamber is provided with a second fresh air inlet, the fourth working chamber forms a first dehumidification air duct opening at the second heat exchanger, the fifth working chamber is provided with a third fresh air inlet, the fifth working chamber forms a second dehumidification air duct opening at the second heat exchanger, and the sixth working chamber forms a third dehumidification air duct opening communicated with the first dehumidification air duct opening and a fourth dehumidification air duct opening communicated with the second dehumidification air duct opening at the second heat exchanger;
the first refrigerant loop comprises a first compressor, a first condenser, a first throttling component and a first evaporator which are sequentially connected through refrigerant pipelines, wherein the first condenser is positioned at the first air outlet, the first evaporator is positioned at the second air outlet, and the first condenser is positioned at the first air outlet;
and the second refrigerant loop comprises a second compressor, a second condenser, a second throttling part and a second evaporator which are sequentially connected by refrigerant pipelines, wherein the second condenser is arranged at the first air outlet, and the second evaporator is arranged at the third dehumidification air channel opening.
In combination with the foregoing implementation manner, in certain implementation manners of the present invention, the first working chamber is communicated with the fifth working chamber through the third communicating port.
In combination with the above implementation manner, the utility model discloses an in some implementation manners, third intercommunication mouth, second new trend entry and third new trend entrance all are equipped with the blast gate.
In combination with the foregoing implementation manner, in certain implementation manners of the present invention, the first air outlet is further provided with an auxiliary heater.
In combination with the above implementation manner, in certain implementation manners of the present invention, the bottom of the second heat exchanger and the bottom of the second evaporator are both provided with a condensed water collecting device, and the condensed water collecting device is provided with a channel for outward drainage.
In combination with the foregoing implementation manner, in certain implementation manners of the present invention, the first refrigerant loop further includes a four-way reversing valve, four interfaces of the four-way reversing valve respectively with the gas return port of the first compressor the gas vent of the first compressor the first condenser the first evaporator is connected.
In combination with the foregoing implementation, in certain implementations of the present invention, the first compressor and the second compressor are both located in the second working chamber.
In combination with the above implementation manner, the utility model discloses an in some implementation manners, first heat exchanger is equipped with first fan along second intercommunication mouth toward the direction of first air outlet, first dehumidification wind channel mouth department is equipped with the second fan, first air outlet department is equipped with the third fan, second air outlet department is equipped with the fourth fan, first intercommunication mouth department is equipped with the fifth fan.
In combination with the above implementation manner, the utility model discloses an in some implementation manners, first fan, second fan, third fan, fourth fan and fifth fan are the frequency conversion fan.
One of the above technical solutions has at least one of the following advantages or beneficial effects: when materials in the material drying room are dried, fresh air flowing in from the first fresh air inlet flows through the first evaporator, and therefore heat is provided for the refrigerant of the first refrigerant loop. The exhaust gas flowing in from the return air inlet flows to the first communication port through the first heat exchanger, and the exhaust gas exchanges heat with the first heat exchanger and releases heat. Fresh air flowing in from the second fresh air inlet and the third fresh air inlet enters the first working chamber through the second communicating port, sequentially flows to the first air outlet through the first heat exchanger and the first condenser, and enters the material drying room for drying. During, the new trend is precooled in the third studio and is dredged water, cools down the dehumidification to heat up through first heat exchanger, continue to absorb the refrigerant heat when passing through first condenser, this technical scheme is dehumidified the new trend and is heated up through the combination of waste gas waste heat and refrigerant return circuit, improves new trend dehumidification effect and stoving effect, and is energy-conserving high-efficient.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic view of the use of an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating operation of the first refrigerant circuit of the embodiment shown in FIG. 1;
FIG. 3 is a schematic diagram illustrating operation of the fresh air dehumidification mode of the embodiment of FIG. 1;
FIG. 4 is a schematic illustration of the operation of the open dehumidification mode of one embodiment of FIG. 1;
FIG. 5 is a schematic diagram illustrating operation of the closed dehumidification mode of the embodiment of FIG. 1;
fig. 6 is a schematic diagram of the closed dehumidification mode of the embodiment shown in fig. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the utility model, the meaning of a plurality of is one or more, the meaning of a plurality of is more than two, and the meaning of more than two is understood as not including the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set", "install", "connect", and the like are to be understood in a broad sense, and for example, may be directly connected or may be indirectly connected through an intermediate medium; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1 and 4, an embodiment of the utility model provides a multifunctional heat pump dehumidification drying system, including studio, first refrigerant return circuit and second refrigerant return circuit. Wherein, the studio includes first studio 1, second studio 2 and third studio, first studio 1 is through first intercommunication mouth and 2 intercommunications of second studio, first studio 1 is equipped with first heat exchanger 4 in first intercommunication mouth department, first studio 1 still is equipped with return air inlet 11, first air outlet 12 and second intercommunication mouth, first heat exchanger 4 is located between second intercommunication mouth and the first air outlet 12, make the wind that gets into by the second intercommunication mouth flow to first air outlet 12 behind first heat exchanger 4, return air inlet 11 and first air outlet 12 all are used for with material stoving room 5 intercommunication, second studio 2 is equipped with first fresh air entry 21 and second air outlet 22.
Referring to fig. 1 to 6, a second heat exchanger 7 is provided in the third working chamber, and the second heat exchanger 7 divides the third working chamber into a fourth working chamber 81, a fifth working chamber 82, and a sixth working chamber 83. The fourth working chamber 81 is communicated with the first working chamber 1 through a second communicating port, the fourth working chamber 81 is provided with a second fresh air inlet 811, fresh air flowing in from the second fresh air inlet 811 can enter the first heat exchanger 4 through the second communicating port and then flows to the first air outlet 12 through the first heat exchanger 4, and the reference to fig. 4 is made. The fourth working chamber 81 forms a first dehumidification air duct opening at the second heat exchanger 7, the fifth working chamber 82 is provided with a third fresh air inlet 821, the fifth working chamber 82 forms a second dehumidification air duct opening at the second heat exchanger 7, and the sixth working chamber 83 forms a third dehumidification air duct opening communicated with the first dehumidification air duct opening and a fourth dehumidification air duct opening communicated with the second dehumidification air duct opening at the second heat exchanger 7. Referring to fig. 3, the fresh air entering the fifth working chamber 82 from the third fresh air inlet 821 sequentially flows into the sixth working chamber 83 through the second dehumidification air duct opening, the second heat exchanger 7, and the fourth dehumidification air duct opening.
Referring to fig. 1 to 6, the first refrigerant circuit includes a first compressor 31, a first condenser 32, a first throttling part 33, and a first evaporator 34, which are sequentially connected by refrigerant lines. The first condenser 32 is located at the first outlet 12 and the first evaporator 34 is located at the second outlet 22. The fresh air entering the fifth working chamber 82 from the third fresh air inlet 821 exchanges heat with the second heat exchanger 7 to release heat when flowing through the second heat exchanger 7, and partial dehumidification of the fresh air is completed through precooling and water separation. When the air flows into the sixth working chamber 83, the air enters the second heat exchanger 7 through the third dehumidification air duct opening, during the period, the second heat exchanger 7 performs second heat exchange with fresh air, and the fresh air absorbs heat of the second heat exchanger 7 again to heat up and recover the heat of the fresh air. The fresh air flows from the first dehumidification air duct opening to the first air outlet 12 through the fourth working chamber 81, the second communication opening, the first heat exchanger 4 and the first condenser 32 in sequence, and finally enters the material drying room 5 to be dried. Referring to fig. 1, fig. 3 and fig. 4, the dehumidification mode of the multifunctional heat pump dehumidification drying system can be selected by setting the opening and closing conditions of the second fresh air inlet 811 and the third fresh air inlet 821 to adapt to the drying requirements in different drying stages and different working conditions.
Referring to fig. 1 to 6, the second refrigerant circuit includes a second compressor 91, a second condenser 92, a second throttling member 93 and a second evaporator 94, which are sequentially connected by refrigerant pipelines to form the second refrigerant circuit, the second condenser 92 is installed at the first air outlet 12, and the second evaporator 94 is installed at the third dehumidification air outlet. The fresh air entering the second heat exchanger 7 through the third dehumidification air duct opening can firstly pass through the second evaporator 94 and then flow into the second heat exchanger 7, and the fresh air can be precooled and separated out water for the second time when passing through the second evaporator 94, so that the dehumidification effect is improved. After absorbing the fresh air waste heat, the second evaporator 94 can transfer the fresh air to the refrigerant in the second refrigerant loop, which is efficient and energy-saving, and makes the air before entering the material drying room 5 through the first air outlet 12 exchange heat with the refrigerant in the second condenser 92 first, and then heats up again, thereby forming dry hot gas and greatly improving the fresh air dehumidification effect.
Referring to fig. 4, when the material in the material drying room 5 is dried, the fresh air flowing from the first fresh air inlet 21 flows through the first evaporator 32, so as to provide heat for the refrigerant of the first refrigerant circuit. The exhaust gas flowing in from the return air port 11 flows to the first communication port through the first heat exchanger 4, during which the exhaust gas exchanges heat with the first heat exchanger 4 and releases heat. The fresh air flowing in from the second fresh air inlet 811 and the third fresh air inlet 821 enters the first working chamber through the second communicating port, sequentially flows to the first air outlet 12 through the first heat exchanger 4 and the first condenser 32, and enters the material drying room 5 to be dried. During the period, the new trend is precooled in the third studio and is dredged, and carries out the heat exchange with first heat exchanger 4 when passing through first heat exchanger 4, and absorbs the heat of first heat exchanger 4 and heat up the heating, continues to absorb the refrigerant heat when passing through first condenser 32, dehumidifies the new trend and heats up through combining waste gas waste heat and refrigerant return circuit, improves new trend dehumidification effect and stoving effect, and is energy-conserving high-efficient.
Referring to fig. 1 to 6, in some embodiments, the first working chamber 1 communicates with the fifth working chamber 82 through the third communication port 13, and the exhaust gas flowing out through the air return port 11 can enter the fifth working chamber 82 through the third communication port 13. The flow path of the exhaust gas entering the fifth working chamber 82 is the same as the flow path of the fresh air entering the fifth working chamber 82 from the third fresh air inlet 821, see fig. 5 and 6, and finally flows into the material drying room 5 through the first air outlet 12. Similarly, after the exhaust gas flowing out through the air return opening 11 enters the fifth working chamber 82, the exhaust gas exchanges heat with the second heat exchanger 7 firstly to pre-cool and separate water, then enters the second heat exchanger 7 through the third dehumidification air duct opening to absorb heat, and enters the material drying room 5 through the first heat exchanger 4, the first condenser 32 and the first air outlet 12 after being heated, so that the exhaust gas waste heat can be recovered again, the dehumidification and heating effect is improved, and the drying efficiency is improved.
Referring to fig. 1 to 6, in some embodiments, the bottom of the second heat exchanger 7 and the bottom of the second evaporator 94 are both provided with a condensed water collecting device 90, the top of the condensed water collecting device 90 is provided with a collecting port for conveniently collecting liquid water condensed by fresh air or waste gas, and the condensed water collecting device 90 is provided with a channel for draining water outwards, so that the liquid water can be discharged from the condensed water collecting device 90 in time.
Referring to fig. 1 to 6, in some embodiments, the first heat exchanger 4 is provided with a first fan 61 along the second communication port toward the first air outlet 12, which can provide power to flow from the second communication port to the first air outlet 12 through the first heat exchanger 4; the second fan 62 is arranged at the first dehumidification air outlet and can provide power for the air flowing through the second heat exchanger 7 and entering the fourth working chamber 81; the third fan 63 is arranged at the first air outlet 12 and can provide power for air entering the material drying room 5 from the first air outlet 12; the second air outlet 22 is provided with a fourth fan 64 which can provide power for fresh air flowing from the second working chamber 2 to the second air outlet 22; the first communication port is provided with a fifth fan 65 which can provide power for the air flowing into the second working chamber 2 from the air return port 11 through the first heat exchanger 4, so that the air flow speed is increased, and the drying efficiency is improved.
In some embodiments, the first fan 61, the second fan 62, the third fan 63, the fourth fan 64, and the fifth fan 65 are all variable frequency fans, which facilitates adjusting the wind speed to meet different working condition requirements.
Referring to fig. 1 to 6, in some embodiments, the first air outlet 12 is further provided with an auxiliary heater 10, which can assist in heating the air entering the material drying room 5 through the first air outlet 12, so as to increase the air temperature, accelerate the drying speed, and meet the requirements of different drying stages.
Referring to fig. 1 to 6, in some embodiments, the first refrigerant circuit further includes a four-way reversing valve 66, and four interfaces of the four-way reversing valve 66 are respectively connected to the return port of the first compressor 31, the exhaust port of the first compressor 31, the first condenser 32, and the first evaporator 34, so as to facilitate switching of cooling or heating operations and meet requirements of different working conditions.
Referring to fig. 1 to 6, in some embodiments, the first compressor 31 and the second compressor 91 are both located in the second working chamber 2, so that the space layout can be reasonably planned, and the work such as maintenance, installation and the like can be facilitated.
Referring to fig. 1 to 6, in some embodiments, the third communicating port 13, the second fresh air inlet 811 and the third fresh air inlet 821 are all provided with air valves to facilitate opening and closing and opening and closing sizes to adjust the drying mode and adapt to different working condition requirements.
Referring to fig. 1, according to the technical scheme, switching of three modes of fresh air dehumidification, open dehumidification and closed dehumidification can be realized through switching of each air valve, operation stop of the fan and operation or stop of each refrigerant loop according to different working conditions such as temperature and humidity conditions of the inside and outside gas of the material drying room 5 and different drying stages, and the use requirements are met. The air return opening 11, the first air outlet 12, the first fresh air inlet 21, and the second air outlet 22 are normally open.
Specifically, referring to fig. 2, when the drying operation is performed only through the first refrigerant circuit, only the first refrigerant circuit and the fourth fan 64 need to be operated, the fresh air flowing in from the first fresh air inlet 21 can release heat to the refrigerant of the first refrigerant circuit, and after the first condenser 32 on the first refrigerant circuit heats the gas flowing in from the air return inlet 11, the gas enters the gas of the material drying room 5 again to dry the material.
Referring to fig. 3, when the fresh air dehumidification mode is adopted, the first refrigerant circuit and the second refrigerant circuit are operated simultaneously, the air valve of the third fresh air inlet 821 is opened, the second fan 62, the first fan 61, the second fan 62, the third fan 63, the fourth fan 64 and the fifth fan 65 are opened, the gas flowing in from the air return port 11 can release the waste heat to the first heat exchanger 4, the gas flowing in from the third fresh air inlet 821 is subjected to pre-cooling dehumidification in the second heat exchanger 7 and the second evaporator 94, and then enters the material drying room 5 from the first air outlet 12 after passing through the second heat exchanger 7, the first heat exchanger 4, the first condenser 32, the second condenser 92 and the auxiliary heater 10, so that heat exchange can be fully performed, dry and hot air is formed, a better dehumidification and heating effect on the fresh air is achieved, and the drying efficiency is improved. In addition, in the mode, the first refrigerant loop can be stopped to operate according to the drying requirement, and heat exchange is only carried out through the second refrigerant loop, the first heat exchanger 4 and the second heat exchanger 7, so that the purpose of fresh air dehumidification is achieved.
Referring to fig. 4, when the open dehumidification mode is adopted, the first refrigerant circuit is operated, the second refrigerant circuit is stopped to operate, the air valve at the third fresh air inlet 821 is opened, and the first fan 61, the second fan 62, the third fan 63, the fourth fan 64 and the fifth fan 65 are operated, so that the fresh air can be dehumidified and heated by using the waste heat of the exhaust gas and the first refrigerant circuit.
Referring to fig. 5 and 6, when the closed dehumidification mode is adopted, the second refrigerant loop is operated, the air valve at the third communicating port 13 is opened, the second fan 62, the third fan 63 and the first fan 61 are operated, the waste gas self waste heat can be utilized to cool and dehumidify, and then the temperature is raised, so that dry hot air is formed, and the dry hot air enters the material drying room 5 again. The first refrigerant circuit may be operated or stopped according to the drying requirement, and at the same time, the fourth blower 64 is correspondingly turned on or off.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims (9)

1. The utility model provides a multi-functional heat pump dehumidification drying system which characterized in that includes:
the working chamber comprises a first working chamber, a second working chamber and a third working chamber, the first working chamber is communicated with the second working chamber through a first communicating port, the first working chamber is provided with a first heat exchanger at the first communicating port, the first working chamber is also provided with a return air inlet, a first air outlet and a second communicating port, the first heat exchanger is positioned between the second communicating port and the first air outlet, the return air inlet and the first air outlet are both used for being communicated with the material drying room, the second working chamber is provided with a first fresh air inlet and a second air outlet, the third working chamber is internally provided with a second heat exchanger, the second heat exchanger divides the third working chamber into a fourth working chamber, a fifth working chamber and a sixth working chamber, the fourth working chamber is communicated with the first working chamber through the second communicating port, and the fourth working chamber is provided with a second fresh air inlet, the fourth working chamber forms a first dehumidification air duct opening at the second heat exchanger, the fifth working chamber is provided with a third fresh air inlet, the fifth working chamber forms a second dehumidification air duct opening at the second heat exchanger, and the sixth working chamber forms a third dehumidification air duct opening communicated with the first dehumidification air duct opening and a fourth dehumidification air duct opening communicated with the second dehumidification air duct opening at the second heat exchanger;
the first refrigerant loop comprises a first compressor, a first condenser, a first throttling component and a first evaporator which are sequentially connected through refrigerant pipelines, wherein the first condenser is positioned at the first air outlet, and the first evaporator is positioned at the second air outlet;
and the second refrigerant loop comprises a second compressor, a second condenser, a second throttling part and a second evaporator which are sequentially connected by refrigerant pipelines, wherein the second condenser is arranged at the first air outlet, and the second evaporator is arranged at the third dehumidification air channel opening.
2. The multifunctional heat pump dehumidification drying system of claim 1, wherein: the first working chamber is communicated with the fifth working chamber through a third communication port.
3. The multifunctional heat pump dehumidification drying system of claim 2, wherein: and air valves are arranged at the third communication port, the second fresh air inlet and the third fresh air inlet.
4. The multifunctional heat pump dehumidification drying system of claim 1, wherein: and an auxiliary heater is also arranged at the first air outlet.
5. The multifunctional heat pump dehumidification drying system of claim 1, wherein: and the bottom of the second heat exchanger and the bottom of the second evaporator are both provided with condensed water collecting devices, and the condensed water collecting devices are provided with channels for outwards draining water.
6. The multifunctional heat pump dehumidification drying system of claim 1, wherein: the first refrigerant loop further comprises a four-way reversing valve, and four interfaces of the four-way reversing valve are respectively connected with the air return port of the first compressor, the exhaust port of the first compressor, the first condenser and the first evaporator.
7. The multifunctional heat pump dehumidification drying system of claim 1, wherein: the first and second compressors are both located in the second working chamber.
8. The multifunctional heat pump dehumidification drying system of claim 1, wherein: the first heat exchanger is provided with a first fan along the direction from the second communicating port to the first air outlet, the first dehumidifying air channel is provided with a second fan, the first air outlet is provided with a third fan, the second air outlet is provided with a fourth fan, and the first communicating port is provided with a fifth fan.
9. The multifunctional heat pump dehumidification drying system of claim 8, wherein: the first fan, the second fan, the third fan, the fourth fan and the fifth fan are all frequency conversion fans.
CN202022223239.9U 2020-09-30 2020-09-30 Multifunctional heat pump dehumidification drying system Active CN213273672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022223239.9U CN213273672U (en) 2020-09-30 2020-09-30 Multifunctional heat pump dehumidification drying system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022223239.9U CN213273672U (en) 2020-09-30 2020-09-30 Multifunctional heat pump dehumidification drying system

Publications (1)

Publication Number Publication Date
CN213273672U true CN213273672U (en) 2021-05-25

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CN202022223239.9U Active CN213273672U (en) 2020-09-30 2020-09-30 Multifunctional heat pump dehumidification drying system

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