CN210772859U - Heat pump drying system - Google Patents
Heat pump drying system Download PDFInfo
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- CN210772859U CN210772859U CN201921776064.5U CN201921776064U CN210772859U CN 210772859 U CN210772859 U CN 210772859U CN 201921776064 U CN201921776064 U CN 201921776064U CN 210772859 U CN210772859 U CN 210772859U
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Abstract
A heat pump drying system belongs to the technical field of heat pump units. The method is characterized in that: the heat pump unit comprises a heat pump unit, a heating channel (17) and a refrigerating channel (16), wherein an evaporator and a condenser of the heat pump unit are fin heat exchangers, the evaporator of the heat pump unit is arranged in the refrigerating channel (16), the condenser of the heat pump unit is arranged in the heating channel (17), and air inducing devices are arranged in the refrigerating channel (16) and the heating channel (17). This heat pump cold and hot dual-purpose system's evaporimeter can cool down the air through the refrigeration passageway to produce low temperature air as required, can also make the vapor condensation in the air, play the stoving effect, the condenser can heat the air in the passageway that heats, thereby produce cold wind and hot-blast simultaneously, can enough satisfy the needs of heating the stoving, also can satisfy the low temperature demand of chemical plant, accommodation is wide, the induced air device can play the effect that makes the air flow.
Description
Technical Field
A heat pump drying system belongs to the technical field of heat pump units.
Background
The heat pump dryer is a heat lifting device, and a high-temperature heat pump dryer set absorbs heat from the surrounding environment by using the inverse Carnot principle and transfers the heat to a heated object (an object with higher temperature), and is mainly applied to the drying and dehydrating processes of food, medicinal materials, wood, agricultural and sideline products, industrial products and the like. The high-temperature heat pump drying unit mainly comprises a finned evaporator (outer unit), a compressor, a finned condenser (inner unit) and an expansion valve, and is characterized in that a thermodynamic cycle process of evaporation (absorbing heat in an outdoor environment) → compression → condensation (emitting heat in an indoor drying room) → throttling → re-evaporation is continuously completed by a refrigerant, so that the heat in an external low-temperature environment is transferred to the drying room, a proper temperature is kept in the drying room, and the refrigerant circularly flows in the system under the action of the compressor. However, the existing heat pump drying unit can only play a role in heating and drying when in use, and in a chemical plant, not only drying is needed, but also a low-temperature environment is needed sometimes, and the existing heat pump drying unit cannot meet the requirements.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the heat pump drying system overcomes the defects of the prior art, can simultaneously generate hot air and cold air, can provide a high-temperature environment and a low-temperature environment, and therefore meets the requirements of chemical production.
The utility model provides a technical scheme that its technical problem adopted is: this heat pump drying system, its characterized in that: the heat pump unit comprises a heat pump unit, a heating channel and a refrigerating channel, wherein an evaporator and a condenser of the heat pump unit are fin heat exchangers, the evaporator of the heat pump unit is arranged in the refrigerating channel, the condenser of the heat pump unit is arranged in the heating channel, and air inducing devices are arranged in the refrigerating channel and the heating channel.
Preferably, the heat pump unit comprises a compressor, an evaporator, a condenser and a four-way valve, the evaporator and the condenser are both shell-and-tube heat exchangers, a refrigerant outlet of the compressor is communicated with a D tube of the four-way valve, a refrigerant inlet of the compressor is communicated with an S tube of the four-way valve, a refrigerant inlet of the evaporator is communicated with an E tube of the four-way valve, a refrigerant outlet of the condenser is communicated with a C tube of the four-way valve, a refrigerant outlet of the evaporator is communicated with a refrigerant inlet of the condenser, and a refrigerant outlet of the evaporator is connected with an expansion.
Preferably, the heat pump unit is provided with at least two stages, an evaporator of the heat pump unit is sequentially arranged along a refrigerating channel, and a condenser of the heat pump unit is sequentially arranged along a heating channel.
Preferably, the heat pump unit has three stages, a first-stage evaporator, a second-stage evaporator and a third-stage evaporator of the third-stage heat pump unit are sequentially arranged along the airflow direction in the refrigerating channel, and a third-stage condenser, a second-stage condenser and a first-stage condenser of the third-stage heat pump unit are sequentially arranged along the airflow direction of the heating channel.
Preferably, the air inducing device comprises a refrigerating fan arranged at the input end of the refrigerating channel and a heating fan arranged at the input end of the heating channel.
Preferably, the input end of the heating channel is communicated with the output end of the cooling channel.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. this heat pump cold and hot dual-purpose system's evaporimeter can cool down the air through the refrigeration passageway, and produce low temperature air as required, can also make the vapor condensation in the air, play the stoving effect, the condenser can heat the air in the passageway that heats, thereby produce cold wind and hot-blast simultaneously, can enough satisfy the needs of heating stoving, also can satisfy chemical plant's low temperature demand, accommodation is wide, the induced air device can play the effect that makes the air flow, thereby conveniently adjust air flow rate, and then adjust the temperature of air through the time of adjusting air refrigeration or heating.
2. The heat pump unit is provided with at least two stages, and evaporators of the heat pump unit are sequentially arranged along the air flow direction of the refrigeration channel, so that the multi-stage refrigeration of air is realized, the refrigeration effect is good, and the air can be cooled to the specified temperature as required; the condenser of the heat pump unit is sequentially arranged along the air flow direction of the heating channel, so that multistage heating of air is realized, the air can be heated to a specified temperature as required, and the application range is wide.
3. The cooling fan can adjust the flow rate of air in the cooling channel, and the heating fan can adjust the flow rate of air in the heating channel, and the adjustment is convenient.
4. The input end of the heating channel is communicated with the output end of the refrigerating channel, so that the specific space can be dried, after the air is cooled by the refrigerating channel, condensed water is liquefied and flows out, then the heating channel enters the specific space, the air is dried, and the energy consumption is low.
Drawings
Fig. 1 is a schematic structural diagram of a heat pump drying system.
In the figure: 1. the system comprises a first-stage evaporator 2, a second-stage evaporator 3, a third-stage evaporator 4, a first-stage condenser 5, a second-stage condenser 6, a third-stage condenser 7, a first-stage compressor 8, a second-stage compressor 9, a third-stage compressor 10, a first-stage expansion valve 11, a second-stage expansion valve 12, a third-stage expansion valve 13, a first-stage four-way valve 14, a second-stage four-way valve 15, a third-stage four-way valve 16, a refrigerating channel 17, a heating channel 18, a.
Detailed Description
Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.
The utility model provides a heat pump drying system, includes heat pump set, heats passageway 17 and refrigeration passageway 16, and heat pump set's evaporimeter and condenser are fin heat exchanger, and heat pump set's evaporimeter sets up in refrigeration passageway 16, and heat pump set condenser sets up in heating passageway 17, all is provided with the induced air device in refrigeration passageway 16 and the passageway 17 of heating. This heat pump cold and hot dual-purpose system's evaporimeter can cool down the air through refrigeration passageway 16, and produce low temperature air as required, can also make the vapor condensation in the air, play the stoving effect, the condenser can heat the air in the passageway 17 of heating, thereby produce cold wind and hot-blast simultaneously, can enough satisfy the needs of heating stoving, also can satisfy chemical plant's low temperature demand, accommodation is wide, the induced air device can play the effect that makes the air flow, thereby conveniently adjust air flow rate, and then adjust the temperature of air through the time of adjusting air cooling or heating.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in fig. 1: the heat pump unit is provided with the two-stage at least, and heat pump unit's evaporimeter all sets up in refrigeration passageway 16 to set gradually along refrigeration passageway 16, heat pump unit's condenser all sets up in heating passageway 17, and sets gradually along heating passageway 17, thereby can produce hot-blast and cold wind simultaneously, satisfied chemical plant's demand, and the power consumption is low.
The air inducing device comprises a cooling fan 19 arranged at the input end of the cooling channel 16 and a heating fan 18 arranged at the input end of the heating channel 17, wherein the cooling fan 19 is used for adjusting the flow rate of the air in the cooling channel 16 so as to adjust the temperature of the air by controlling the residence time of the air in the cooling channel 16, and the heating fan 18 is used for adjusting the flow rate of the air in the heating channel 17 so as to adjust the temperature of the air by controlling the flow rate of the air in the heating channel 17.
In this embodiment, the heat pump units have three stages, including a primary heat pump unit, a secondary heat pump unit, and a tertiary heat pump unit.
The one-level heat pump unit comprises a one-level compressor 7, a one-level evaporator 1, a one-level condenser 4 and a one-level four-way valve 13, a refrigerant outlet of the one-level compressor 7 is communicated with a D pipe of the one-level four-way valve 13, a refrigerant inlet of the one-level compressor 7 is communicated with an S pipe of the one-level four-way valve 13, a refrigerant inlet of the one-level evaporator 1 is communicated with an E pipe of the one-level four-way valve 13, a refrigerant outlet of the one-level condenser 4 is communicated with a C pipe of the one-level four-way valve 13, a refrigerant outlet of the one-level evaporator 1 is communicated with a.
The secondary heat pump unit comprises a secondary compressor 8, a secondary evaporator 2, a secondary condenser 5 and a secondary four-way valve 14, wherein a refrigerant outlet of the secondary compressor 8 is communicated with a D pipe of the secondary four-way valve 14, a refrigerant inlet of the secondary compressor 8 is communicated with an S pipe of the secondary four-way valve 14, a refrigerant inlet of the secondary evaporator 2 is communicated with an E pipe of the secondary four-way valve 14, a refrigerant outlet of the secondary condenser 5 is communicated with a C pipe of the secondary four-way valve 14, a refrigerant outlet of the secondary evaporator 2 is communicated with a refrigerant inlet of the secondary condenser 5, and a refrigerant outlet of the secondary evaporator 2 is connected with a secondary expansion valve 11.
The tertiary heat pump unit includes tertiary compressor 9, tertiary evaporator 3, tertiary condenser 6 and tertiary cross valve 15, the refrigerant export of tertiary compressor 9 is linked together with tertiary cross valve 15 'S D pipe, tertiary compressor 9' S refrigerant entry is linked together with tertiary cross valve 15 'S S pipe, tertiary evaporator 3' S refrigerant entry is linked together with tertiary cross valve 15 'S E pipe, tertiary condenser 6' S refrigerant export is linked together with tertiary cross valve 15 'S C pipe, tertiary evaporator 3' S refrigerant export is linked together with tertiary condenser 6 'S refrigerant entry, and tertiary evaporator 3' S refrigerant exit linkage has tertiary expansion valve 12.
One-level evaporator 1, second grade evaporator 2 and third grade evaporator 3 all set up in refrigeration passageway 16 to set gradually along refrigeration passageway 16's airflow direction, third grade condenser 6, second grade condenser 5 and one-level condenser 4 all set up in heating passageway 17, and set gradually along heating passageway 17's airflow direction.
The input end of the heating channel 17 can also be communicated with the output end of the cooling channel 16, so that dry hot air and cold air can be output only by means of the input hot air, and the use is convenient.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a heat pump drying system which characterized in that: the heat pump unit comprises a heat pump unit, a heating channel (17) and a refrigerating channel (16), wherein an evaporator and a condenser of the heat pump unit are fin heat exchangers, the evaporator of the heat pump unit is arranged in the refrigerating channel (16), the condenser of the heat pump unit is arranged in the heating channel (17), and air inducing devices are arranged in the refrigerating channel (16) and the heating channel (17).
2. The heat pump drying system of claim 1, wherein: the heat pump unit comprises a compressor, an evaporator, a condenser and a four-way valve, wherein the evaporator and the condenser are both shell-and-tube heat exchangers, a refrigerant outlet of the compressor is communicated with a D tube of the four-way valve, a refrigerant inlet of the compressor is communicated with an S tube of the four-way valve, a refrigerant inlet of the evaporator is communicated with an E tube of the four-way valve, a refrigerant outlet of the condenser is communicated with a C tube of the four-way valve, a refrigerant outlet of the evaporator is communicated with a refrigerant inlet of the condenser, and a refrigerant outlet of the evaporator is connected with.
3. The heat pump drying system of claim 1, wherein: the heat pump unit is provided with at least two stages, an evaporator of the heat pump unit is sequentially arranged along a refrigerating channel (16), and a condenser of the heat pump unit is sequentially arranged along a heating channel (17).
4. The heat pump drying system of claim 1 or 3, wherein: the heat pump unit has the tertiary, tertiary heat pump unit's one-level evaporimeter (1), second grade evaporimeter (2) and tertiary evaporimeter (3) set gradually along the air current direction in refrigeration passageway (16), tertiary condenser (6), second grade condenser (5) and one-level condenser (4) of tertiary heat pump unit set gradually along the air current direction who heats passageway (17).
5. The heat pump drying system of claim 1, wherein: the air inducing device comprises a refrigerating fan (19) arranged at the input end of the refrigerating channel (16) and a heating fan (18) arranged at the input end of the heating channel (17).
6. The heat pump drying system of claim 1, wherein: the input end of the heating channel (17) is communicated with the output end of the refrigerating channel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776064.5U CN210772859U (en) | 2019-10-22 | 2019-10-22 | Heat pump drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921776064.5U CN210772859U (en) | 2019-10-22 | 2019-10-22 | Heat pump drying system |
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| Publication Number | Publication Date |
|---|---|
| CN210772859U true CN210772859U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921776064.5U Active CN210772859U (en) | 2019-10-22 | 2019-10-22 | Heat pump drying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028757A (en) * | 2021-05-11 | 2021-06-25 | 郑州义兴彩印有限公司 | Energy-concerving and environment-protective type water-based ink printing high-efficient drying system |
| CN114353368A (en) * | 2021-12-20 | 2022-04-15 | 青岛海尔空调电子有限公司 | Defrosting method and device for heat pump drying equipment and heat pump drying equipment |
-
2019
- 2019-10-22 CN CN201921776064.5U patent/CN210772859U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028757A (en) * | 2021-05-11 | 2021-06-25 | 郑州义兴彩印有限公司 | Energy-concerving and environment-protective type water-based ink printing high-efficient drying system |
| CN114353368A (en) * | 2021-12-20 | 2022-04-15 | 青岛海尔空调电子有限公司 | Defrosting method and device for heat pump drying equipment and heat pump drying equipment |
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