CN210663658U - Heat pump dryer - Google Patents
Heat pump dryer Download PDFInfo
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- CN210663658U CN210663658U CN201921695955.8U CN201921695955U CN210663658U CN 210663658 U CN210663658 U CN 210663658U CN 201921695955 U CN201921695955 U CN 201921695955U CN 210663658 U CN210663658 U CN 210663658U
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Abstract
The utility model discloses a heat pump drying-machine relates to drying-machine technical field. The utility model comprises a drying bin and a cooling bin; a mixed air duct is arranged between the drying bin and the cooling bin; the bottom of the drying bin is also provided with a compressor; and a condenser, an expansion valve and an evaporator are sequentially connected between a refrigerant outlet and a refrigerant inlet of the compressor. The utility model communicates the drying chamber and the cooling chamber through the mixing air duct; when dehumidification and drying are carried out, the third electromagnetic valve and the fourth electromagnetic valve are opened; the heat is absorbed by the evaporator and then returns to the condenser to provide heat for the drying bin, and meanwhile, the high-humidity hot air in the air inlet duct of the cooling bin is cooled and solidified by the evaporator to reduce the humidity and form cold air for cooling the materials in the cooling bin; the utilization ratio of providing the energy when can realize drying indoor dehumidification, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the drying-machine, especially, relate to a heat pump drying-machine.
Background
Although the existing dryer can realize the rapid drying of materials in the drying bin; however, the drying bin cannot effectively dehumidify, so that the humidity of the dried materials is high; meanwhile, hot air used for drying by the existing dryer can not be recycled and is directly discharged; resulting in wasted energy.
The utility model provides a heat pump dryer, which communicates a drying chamber and a cooling chamber through a mixing air channel, can effectively dehumidify and utilize heat to the maximum extent; the energy utilization rate is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat pump dryer, which communicates a drying chamber and a cooling chamber through a mixed air channel, and can effectively dehumidify and utilize heat to the maximum extent; the energy utilization rate is improved.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a heat pump drying-machine, include: a drying bin and a cooling bin;
a mixed air duct is arranged between the drying bin and the cooling bin;
an air outlet of the drying bin at the top of the drying bin is connected with a hot air outlet channel which is horizontally arranged; the hot air outlet channel is communicated with one side of the vertically arranged mixing air channel; a first electromagnetic valve is arranged at a drying bin air inlet formed in one side of the drying bin;
a condenser and a first fan are respectively arranged in the mixing air channel; the first fan corresponds to the air inlet of the drying bin in position; a second electromagnetic valve is arranged at an air inlet formed in the top of the mixing air duct;
the top of the back of the cooling bin is provided with a cooling bin air inlet duct communicated with the cooling bin; the air inlet duct of the cooling bin is communicated with an air duct air outlet formed in one side of the top of the mixed air duct; a third electromagnetic valve is arranged at the air outlet of the air duct; a second fan and an evaporator are arranged in the air inlet duct of the cooling bin;
the bottom of the back of the cooling bin is provided with a cooling bin air return channel communicated with the cooling bin; the cooling bin air return channel is communicated with the bottom of the mixed air channel; an exhaust fan and a fourth electromagnetic valve are installed in the cooling bin air return channel;
the bottom of the drying bin is also provided with a compressor; and a condenser, an expansion valve and an evaporator are sequentially connected between a refrigerant outlet and a refrigerant inlet of the compressor.
Preferably, the evaporator is also provided with a defrosting heater.
Preferably, a controller is further mounted on the drying bin; the controller is used for controlling the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve to be switched; the controller is also used for controlling the first fan, the second fan, the compressor and the defrosting heater to be switched on and off.
The utility model discloses an aspect has following beneficial effect:
1. the utility model communicates the drying chamber and the cooling chamber through the mixing air duct; when dehumidification and drying are carried out, the third electromagnetic valve and the fourth electromagnetic valve are opened; the heat is absorbed by the evaporator and then returns to the condenser to provide heat for the drying bin, and meanwhile, the high-humidity hot air in the air inlet duct of the cooling bin is cooled and solidified by the evaporator to reduce the humidity and form cold air for cooling the materials in the cooling bin; the utilization ratio of providing the energy when can realize drying indoor dehumidification, convenient to use.
2. The utility model discloses when carrying out to supplementing humidity in the drying chamber, open the second solenoid valve, let the highly humid air enter into mixed wind channel, dry in entering into the stoving storehouse after the condenser heating, convenient and practical realizes that the humidity is adjustable in the stoving storehouse.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a heat pump dryer of the present invention;
fig. 2 is the structure schematic diagram of the middle heat pump drying system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1, the present invention relates to a heat pump dryer, including: a drying bin 1 and a cooling bin 2;
a mixed air duct 3 is arranged between the drying bin 1 and the cooling bin 2;
an air outlet of the drying bin at the top of the drying bin 1 is connected with a hot air outlet channel 11 which is horizontally arranged; the hot air outlet channel 11 is communicated with one side of the vertically arranged mixing air channel 3; a first electromagnetic valve 12 is arranged at a drying bin air inlet formed in one side of the drying bin 1;
a condenser 31 and a first fan 32 are respectively arranged in the mixed air duct 3; the position of the first fan 32 corresponds to the air inlet of the drying bin; a second electromagnetic valve 33 is arranged at an air inlet formed at the top of the mixing air duct 3;
the top of the back of the cooling bin 2 is provided with a cooling bin air inlet duct communicated with the cooling bin 2; an air inlet duct of the cooling bin is communicated with an air outlet of the air duct arranged on one side of the top of the mixed air duct 3; a third electromagnetic valve 34 is arranged at the air outlet of the air duct; a second fan 21 and an evaporator 22 are arranged in the air inlet duct of the cooling bin; wherein, the evaporator 22 is also provided with a defrosting heater;
the bottom of the back of the cooling bin 2 is provided with a cooling bin air return channel communicated with the cooling bin 2; the cooling bin air return channel is communicated with the bottom of the mixed air channel 3; an exhaust fan 23 and a fourth electromagnetic valve 24 are arranged in the cooling bin air return channel; the air outlet of the exhaust fan 23 faces the mixing air duct 3;
referring to fig. 2, in order to apply the present invention to a heat pump drying system in a heat pump dryer, a compressor 5 is further installed at the bottom of a drying bin 1; the condenser 31, the expansion valve 53, and the evaporator 22 are connected in this order between the refrigerant outlet 51 and the refrigerant inlet 52 of the compressor 5.
Wherein, the drying bin 1 is also provided with a controller; a controller for controlling the first electromagnetic valve 12, the second electromagnetic valve 33, the third electromagnetic valve 34 and the fourth electromagnetic valve 24 to be opened and closed; and the controller is also used for controlling the on and off of the first fan 32, the second fan 21, the compressor 5 and the defrosting heater.
In the actual use process:
when the materials in the drying bin 1 do not need to be dehumidified and dried, the controller controls to open only the first electromagnetic valve 12, and simultaneously open the compressor 5 and the first fan 32; at this time, the drying bin 1, the hot air outlet channel 11 and the mixed air channel 3 form hot air reflux, materials in the drying bin 1 are continuously dried, and the drying efficiency is high;
when the materials in the drying bin 1 need to be dehumidified and dried, the controller controls to open the first electromagnetic valve, the third electromagnetic valve 34 and the fourth electromagnetic valve 24; meanwhile, the compressor 5, the first fan 32, the second fan 21, and the exhaust fan 23 are controlled to be turned on; at the moment, the drying chamber 1, the hot air outlet channel 11, the cooling chamber air inlet channel, the cooling chamber air return channel and the mixed air channel 3 form cold and hot reflux; the efficient dehumidification and drying of materials in the drying bin 1 are realized, the heat in the hot air is collected by the evaporator and is reused by the condenser, and the cold air is provided for the cooling bin 2, so that the utilization rate of energy is improved; meanwhile, the evaporator condenses the water vapor in the high-humidity gas, so that the effect of dehumidification is realized, and convenience and rapidness are realized;
in the description herein, references to the description of "one embodiment," "an example," "a specific example," 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 preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (3)
1. A heat pump dryer, comprising: a drying bin (1) and a cooling bin (2); a mixed air duct (3) is arranged between the drying bin (1) and the cooling bin (2);
an air outlet of the drying bin at the top of the drying bin (1) is connected with a hot air outlet channel (11) which is horizontally arranged; the hot air outlet channel (11) is communicated with one side of the vertically arranged mixing air channel (3); a first electromagnetic valve (12) is arranged at a drying bin air inlet formed in one side of the drying bin (1);
a condenser (31) and a first fan (32) are respectively arranged in the mixing air channel (3); the position of the first fan (32) corresponds to an air inlet of the drying bin; a second electromagnetic valve (33) is arranged at an air inlet formed in the top of the mixing air channel (3);
the top of the back of the cooling bin (2) is provided with a cooling bin air inlet channel communicated with the cooling bin (2); the air inlet duct of the cooling bin is communicated with an air duct air outlet formed in one side of the top of the mixed air duct (3); a third electromagnetic valve (34) is arranged at the air outlet of the air duct; a second fan (21) and an evaporator (22) are arranged in the air inlet duct of the cooling bin;
the bottom of the back of the cooling bin (2) is provided with a cooling bin air return channel communicated with the cooling bin (2); the cooling bin air return channel is communicated with the bottom of the mixed air channel (3); an exhaust fan (23) and a fourth electromagnetic valve (24) are arranged in the cooling bin air return channel;
the bottom of the drying bin (1) is also provided with a compressor (5); a condenser (31), an expansion valve (53) and an evaporator (22) are sequentially connected between a refrigerant outlet (51) and a refrigerant inlet (52) of the compressor (5).
2. A heat pump dryer according to claim 1, wherein said evaporator (22) is further provided with a defrosting heater.
3. A heat pump dryer according to claim 2, characterized in that said drying compartment (1) is further provided with a controller; the controller is used for controlling the first electromagnetic valve (12), the second electromagnetic valve (33), the third electromagnetic valve (34) and the fourth electromagnetic valve (24) to be switched on and off; the controller is also used for controlling the on and off of the first fan (32), the second fan (21), the compressor (5) and the defrosting heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695955.8U CN210663658U (en) | 2019-10-11 | 2019-10-11 | Heat pump dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695955.8U CN210663658U (en) | 2019-10-11 | 2019-10-11 | Heat pump dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210663658U true CN210663658U (en) | 2020-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921695955.8U Active CN210663658U (en) | 2019-10-11 | 2019-10-11 | Heat pump dryer |
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| CN (1) | CN210663658U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048730A (en) * | 2021-03-12 | 2021-06-29 | 中国中轻国际工程有限公司 | Air door combination system of malt drying furnace and drying process thereof |
-
2019
- 2019-10-11 CN CN201921695955.8U patent/CN210663658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048730A (en) * | 2021-03-12 | 2021-06-29 | 中国中轻国际工程有限公司 | Air door combination system of malt drying furnace and drying process thereof |
| CN113048730B (en) * | 2021-03-12 | 2024-05-28 | 中国中轻国际工程有限公司 | Air door combination system of malt drying furnace and drying process thereof |
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