CN111306896A - Heat pump drying system - Google Patents
Heat pump drying system Download PDFInfo
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- CN111306896A CN111306896A CN202010093243.XA CN202010093243A CN111306896A CN 111306896 A CN111306896 A CN 111306896A CN 202010093243 A CN202010093243 A CN 202010093243A CN 111306896 A CN111306896 A CN 111306896A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/28—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun
- F26B3/283—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection
- F26B3/286—Drying solid materials or objects by processes involving the application of heat by radiation, e.g. from the sun in combination with convection by solar radiation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/10—Heating arrangements using tubes or passages containing heated fluids, e.g. acting as radiative elements; Closed-loop systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Health & Medical Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a heat pump drying system. The utility model provides a heat pump drying system, wherein, includes heat pump system, solar collector and drying system, drying system includes cold-storage heat accumulation drying system and high temperature drying system, solar collector with cold-storage heat accumulation drying system connects, heat pump system one end is connected cold-storage heat accumulation drying system, the heat pump system other end is connected high temperature drying system, heat pump system is located cold-storage heat accumulation drying system with between the high temperature drying system. The invention can accelerate the drying speed and ensure the drying quality, and can also intermittently start the heat pump system, reduce the power consumption, improve the energy utilization efficiency and reduce the economic cost.
Description
Technical Field
The invention relates to the technical field of heat pump drying systems, in particular to a heat pump drying system.
Background
The traditional method for drying materials still mostly adopts hot air drying, hot air drying generally takes hot air as a drying medium, and the hot air drying performs heat and moisture exchange with food in a natural or forced convection circulation mode, so that moisture on the surface of the materials, namely water vapor, is diffused to an airflow main body through an air film on the surface, and meanwhile, as a result of vaporization of the surface of the materials, moisture gradient difference is generated between the inside and the surface of the materials, and the moisture in the inside of the materials is diffused to the surface in a vapor state or liquid state. The existing hot air drying process has the disadvantages of high energy consumption, serious environmental pollution problem and difficult realization of temperature control, the deformation, failure and the like of a dried object can be caused by overhigh temperature of a drying medium in the high-temperature drying process, and the drying rate can be influenced by overlow temperature of a plurality of drying media in the low-temperature drying process.
Disclosure of Invention
The invention aims to overcome the defects of high energy consumption, serious environmental pollution problem and difficult temperature control in the existing drying process, and provides a heat pump drying system. The invention can accelerate the drying speed and ensure the drying quality, and can also intermittently start the heat pump system, reduce the power consumption, improve the energy utilization efficiency and reduce the economic cost.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a heat pump drying system, wherein, includes heat pump system, solar collector and drying system, drying system includes cold-storage heat accumulation drying system and high temperature drying system, solar collector with cold-storage heat accumulation drying system connects, heat pump system one end is connected cold-storage heat accumulation drying system, the heat pump system other end is connected high temperature drying system, heat pump system is located cold-storage heat accumulation drying system with between the high temperature drying system. In the technical scheme, high-temperature drying, cold and heat storage drying and mixed use thereof can be realized; the high-temperature drying is to provide high-temperature drying air for the materials under the matching of a high-temperature drying system and a heat pump system, so that the high-efficiency, economic and energy-saving advantages of the heat pump system are brought into play; the cold and heat accumulation drying is to close the heat pump system, utilize solar collector and cold and heat accumulation drying system, the cold/heat quantity stored in the cold and heat accumulation drying system, provide the dry wind for supplies through releasing the cold/heat quantity stored; the two drying systems are mixed and used at the same time during the low-ebb electricity price, the economical efficiency of the system operation is improved, redundant cold/heat is stored, the drying systems are continuously operated by utilizing the stored cold/heat during the high-ebb electricity price, and the use cost can be further reduced.
Further, the heat pump system includes the condenser, heat accumulation condenser, the compressor, the choke valve, evaporimeter and cold-storage evaporimeter, condenser and heat accumulation condenser are parallelly connected, evaporimeter and cold-storage evaporimeter are parallelly connected, the export of condenser with be equipped with the choke valve between the entry of evaporimeter, heat accumulation condenser entry with be equipped with the compressor between the export of cold-storage evaporimeter. And valves are arranged at the inlet and outlet of the condenser, the inlet and outlet of the evaporator, the inlet and outlet of the heat storage condenser and the inlet and outlet of the cold storage evaporator. The refrigerant circulates in the heat pump system, the compressor does work on the refrigerant, the refrigerant releases heat in the condenser and the heat storage condenser in the heat pump system, and the refrigerant absorbs heat in the evaporator and the cold storage evaporator.
Further, the high-temperature drying system comprises a first circulating fan, a heating chamber, a first drying chamber and a cooling and dehumidifying chamber which are sequentially connected in an annular mode through air pipes, wherein the condenser is located in the heating chamber, and the evaporator is located in the cooling and dehumidifying chamber. Through operation heat pump system, circulating air absorbs the partly of heat pump system refrigerant release heat in condenser department, becomes high temperature drying air and gets into first drying chamber, dries the material of first drying chamber, and high temperature drying air becomes the state of high temperature and high humidity and gets into the cooling dehumidification room and release heat, becomes the low temperature drying state and is pumped to the condenser and carry out above circulation by first circulating fan.
Further, cold-storage heat accumulation drying system includes second circulating fan, regenerator, second drying chamber and the cold-storage chamber that connects gradually the annular through the tuber pipe, the cold-storage evaporimeter is located in the cold-storage chamber, the heat accumulation condenser is located in the regenerator, solar collector with the regenerator is connected. The heat storage chamber stores heat energy generated by the solar heat collector and heat energy generated by the heat pump system, the cold storage chamber stores cold energy brought by the heat pump system, the circulating air absorbs latent heat released by the heat storage condenser in the heat storage chamber to become a high-temperature dry state, the circulating air enters the second drying chamber to be a high-temperature high-humidity state after drying materials and enters the cold storage chamber, the high-temperature high-humidity circulating air becomes a low-temperature dry state after releasing heat energy to the cold storage evaporator, and the circulating air enters the heat storage chamber again under the action of the second circulating fan to perform circulation.
Furthermore, a temperature thermocouple is arranged between the heat storage chamber and the second drying chamber, a temperature controller is arranged in the second drying chamber, and the temperature controller is connected with the compressor. Temperature thermocouple monitoring regenerator export circulating air's temperature, in the interval of temperature controller setting temperature, temperature controller feedback switching value to heat pump system's compressor, the compressor carries out the switching action that corresponds to make cold-storage heat accumulation drying system can keep the temperature of dry material, avoid the high temperature to influence the material, the material drying efficiency is low excessively to the temperature.
Furthermore, the cooling dehumidification chamber and the cold accumulation chamber are both provided with a water drainage groove. In the cold and heat accumulation drying system and the high temperature drying system, the high temperature and high humidity air can generate condensed water in the heat release process of the cooling dehumidification chamber and the cold accumulation chamber, and the condensed water flows out of the drainage tank.
Further, the cold storage evaporator comprises a heat pump evaporator pipeline and a first phase change capsule, and the first phase change capsule surrounds the outside of the heat pump evaporator pipeline. The first phase change capsule can release heat to the pipeline of the heat pump evaporator and store cold, and when high-temperature and high-humidity air enters the cold storage chamber, the first phase change capsule and the pipeline of the heat pump evaporator absorb the heat in the air alone or together to cool the air.
Furthermore, the heat storage condenser comprises a heat pump condenser pipeline, a second phase change capsule and a ventilation net partition plate, and the second phase change capsule and the ventilation net partition plate are surrounded around the heat pump condenser pipeline. The second phase change capsule can store heat of a heat pump condenser pipeline in a heat pump system and can also store heat collected by a solar heat collector, when low-temperature dry air enters a cold storage chamber, the second phase change capsule and the heat pump condenser pipeline release heat alone or together to heat the low-temperature dry air, three phase change capsule particles with different phase change temperatures are arranged in the second phase change capsule, gradient utilization of refrigerants at different temperatures of overheating, two-phase and supercooling in the heat pump condenser pipeline is achieved, and the ventilation net partition plate isolates the phase change capsule particles with different phase change temperatures.
Compared with the prior art, the invention has the beneficial effects that:
1. the cold and heat accumulation drying system and the high temperature drying system are arranged, and both the high temperature drying system and the cold and heat accumulation drying system can dry materials and can be carried out separately or simultaneously, so that the production efficiency is improved.
2. According to the invention, the first phase change capsule is arranged on the cold accumulation evaporator, and the second phase change capsule is arranged on the heat accumulation condenser, so that the cold accumulation and heat accumulation drying system can perform heat release and heat absorption by utilizing the heat energy and the cold energy stored before the first phase change capsule and the second phase change capsule after the heat pump system is closed, the cold accumulation and heat accumulation drying system can normally operate and dry, and the utilization rate of energy is improved.
3. According to the invention, the cold and heat accumulation drying system is provided with the temperature measuring thermocouple and the temperature controller, so that the temperature of the second drying chamber in the cold and heat accumulation drying system can be kept in a required temperature range, the material damage caused by overheating or overcooling of drying air is avoided, and the drying efficiency is low.
Drawings
Fig. 1 is a schematic structural diagram of a heat pump drying system according to the present invention.
Fig. 2 is a schematic structural diagram of a regenerator in a heat pump drying system according to the present invention.
Fig. 3 is a schematic structural diagram of a cool storage chamber in a heat pump drying system according to the present invention.
The graphic symbols are illustrated as follows:
1-condenser, 2-first valve, 3-second valve, 4-third valve, 5-fourth valve, 6-compressor, 7-solar heat collector, 8-ventilating net baffle, 9-second phase change capsule, 10-heat storage condenser, 11-heat storage chamber, 12-temperature thermocouple, 13-second circulating fan, 14-second drying chamber, 15-temperature controller, 16-pipeline, 17-second water discharge tank, 18-heat storage chamber, 19-heat storage evaporator, 20-fifth valve, 21-sixth valve, 22-seventh valve, 23-eighth valve, 24-throttle valve, 25-first water discharge tank, 26-cooling dehumidification chamber, 27-evaporator, 28-first circulating fan B, 29-first drying chamber, 30-heating chamber.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
First embodiment
Fig. 1 to 3 show a first embodiment of a heat pump drying system according to the present invention. A heat pump drying system comprises a heat pump system, a solar heat collector 7 and a drying system, wherein the drying system comprises a cold storage and heat storage drying system and a high temperature drying system; the first circulating fan 28, the heating chamber 30, the first drying chamber 29 and the cooling and dehumidifying chamber 26 form a high-temperature drying system, and the first circulating fan 28, the heating chamber 30, the first drying chamber 29 and the cooling and dehumidifying chamber 26 are sequentially connected through a pipeline 16; the second circulating fan 13, the heat storage chamber 11, the temperature thermocouple 12, the second drying chamber 14, the temperature controller 15 and the cold storage chamber 18 form a cold and heat storage drying system, the heat pump system comprises a condenser 1, a heat storage condenser 9, a compressor 6, a throttle valve 24, an evaporator 27 and a cold storage evaporator 19, the condenser 1 is connected with the heat storage condenser 9 in parallel, the evaporator 27 is connected with the cold storage evaporator 19 in parallel, the throttle valve 24 is arranged between the outlet of the condenser 1 and the inlet of the evaporator 27, a compressor 6 is arranged between the inlet of the heat storage condenser 9 and the outlet of the cold storage evaporator 19, one end of the compressor 6 is provided with a fifth valve 20 for controlling the inlet of the cold storage evaporator 19 and a sixth valve 21 for controlling the outlet of the evaporator 27, the other end of the compressor 6 is provided with a third valve 4 for controlling the inlet of the condenser 1 and a fourth valve 5 for controlling the heat storage condenser 10, one end of the throttle valve 24 is provided with a first valve 2 for controlling, the other end of the throttle valve 24 is provided with a seventh valve 22 for controlling the outlet of the cold accumulation evaporator 19 and an eighth valve 23 for controlling the inlet of the evaporator 27.
In this embodiment, the cold storage evaporator 19 is located in the cold storage chamber 18, the heat storage condenser 10 is located in the heat storage chamber 11, the condenser 1 is located in the heating chamber 30, and the evaporator 27 is located in the cooling dehumidification chamber 26. The cooling/dehumidifying chamber 26 is provided with a first drain tank 25, and the cool storage chamber 18 is provided with a second drain tank 17. The cold accumulation evaporator 19 comprises a heat pump evaporator pipeline and a first phase change capsule, the first phase change capsule surrounds the outside of the heat pump evaporator pipeline, the heat storage condenser comprises a heat pump condenser pipeline, a second phase change capsule 9 and a ventilation net partition plate 8, the second phase change capsule 9 surrounds the periphery of the heat pump condenser pipeline, wherein three phase change capsule particles with different phase change temperatures are arranged in the second phase change capsule 9, gradient utilization of refrigerants with different temperatures of overheating, two phases and supercooling in the heat pump condenser pipeline is achieved, and the ventilation net partition plate 8 isolates the phase change capsule particles with different phase change temperatures.
In this embodiment, the high temperature drying system and the cold and heat storage drying system are used in a mixed manner, the heat pump system is started first, the system only starts the high temperature drying system, the first circulating fan 28 is opened, the second valve 3, the fourth valve 5, the fifth valve 20, the seventh valve 22 are closed, the first valve 2, the third valve 4, the sixth valve 21 and the eighth valve 23 are opened; under the drive of the first circulating fan 28, the circulating air enters the heating chamber 30 to absorb the heat released by the condenser 1, passes through the first drying chamber 29 to dry the materials to be in a high-temperature high-humidity state, enters the dehumidifying and cooling chamber 26 to be condensed and dehumidified, is discharged through the first water discharge tank 25 to be in a low-temperature drying state again, and enters the heating chamber 30 to finish a high-temperature drying cycle. In operation, the second valve 3, the fourth valve 5, the fifth valve 20 and the seventh valve 22 may be opened again to allow the first phase change capsules of the regenerator 11 to store heat and the second phase change capsules of the regenerator 18 to store heat. In addition, when the sunlight is sufficient in the daytime, the solar heat collector provides heat for the first phase change capsule of the heat storage chamber 11.
Then, the second circulating fan 13 is turned on, and under the driving of the second circulating fan 13, the heat released by the heat storage condenser in the heat storage chamber 11 heats the circulating air, and the first phase change capsule stores heat all the time. The high temperature drying circulating air passes through the second drying chamber 14 and then becomes a high temperature and high humidity state and enters the cold storage chamber 18, at this time, the cold storage evaporator 19 absorbs the heat of the second phase change microcapsule and the heat of the high temperature and high humidity circulating drying medium, the circulating air is condensed to generate condensate which is discharged in the drainage tank 17 and becomes a low temperature drying state, and the condensate enters the heat storage chamber 11 again to complete the circulation.
Two drying processing lines can be simultaneously carried out in the embodiment, and the processing efficiency is improved.
Second embodiment
This embodiment is similar to the first embodiment, except that when the present embodiment is applied to a peak electricity price, the cold and heat storage drying system is operated separately, the operation of the heat pump system and the high temperature drying cycle is stopped, the circulating air absorbs the latent heat released by the first phase change capsules in the heat storage condenser 10 in the heat storage chamber 11 to become a high temperature drying state, and enters the second drying chamber 14 to become a high temperature and high humidity state after drying, and then enters the cold storage chamber 18. The high-temperature and high-humidity circulating air becomes a low-temperature dry state after releasing heat to the second phase change capsules 9 of the cold accumulation evaporator 19, and enters the regenerator 11 again, and condensed water generated by the circulating air in the cold accumulation chamber 18 is drained in the drainage channel 17, thereby completing the circulation. Wherein the stored latent heat of phase change of the first phase change capsule is collected by the solar collector 7 during the daytime when sunlight is sufficient. In this embodiment, the solar energy, the first phase change capsules, and the second phase change capsules 9 can be used to complete the drying process, thereby reducing the peak electricity price cost and saving energy.
Third embodiment
This embodiment is similar to the second embodiment except that the temperature of the circulating air is controlled, a temperature thermocouple is disposed between the heat storage chamber 11 and the second drying chamber 14, a temperature controller 15 is disposed in the second drying chamber, the temperature controller is connected to the compressor 6, and the temperature controller 15 is disposed in the second drying chamber 14. And (3) performing drying work in the cold and heat accumulation drying system, opening the second valve 3, the fourth valve 5, the fifth valve 20 and the seventh valve 22, closing the first valve 2, the third valve 4, the sixth valve 21 and the eighth valve 23, and monitoring the temperature of the circulating air at the outlet of the heat accumulation chamber 11 by using the temperature thermocouple 12. The lower and upper temperature limits of the controller 14 are set, the compressor 6 of the heat pump system is turned on when the temperature reaches the lower set limit, and the compressor 6 of the heat pump system is turned off when the temperature reaches the upper set limit.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A heat pump drying system characterized by: including heat pump system, solar collector and drying system, drying system includes cold-storage heat accumulation drying system and high temperature drying system, solar collector with cold-storage heat accumulation drying system connects, heat pump system one end is connected cold-storage heat accumulation drying system, the heat pump system other end is connected high temperature drying system, heat pump system is located cold-storage heat accumulation drying system with between the high temperature drying system.
2. A heat pump drying system according to claim 1, wherein: the heat pump system comprises a condenser, a heat storage condenser, a compressor, a throttle valve, an evaporator and a cold storage evaporator, wherein the condenser and the heat storage condenser are connected in parallel, the evaporator and the cold storage evaporator are connected in parallel, the throttle valve is arranged between an outlet of the condenser and an inlet of the evaporator, and the compressor is arranged between an inlet of the heat storage condenser and an outlet of the cold storage evaporator.
3. A heat pump drying system according to claim 2, wherein: and valves are arranged at the inlet and outlet of the condenser, the inlet and outlet of the evaporator, the inlet and outlet of the heat storage condenser and the inlet and outlet of the cold storage evaporator.
4. A heat pump drying system according to claim 2, wherein: high temperature drying system includes first circulating fan, heating chamber, first drying chamber and the cooling dehumidification room that connects gradually the annular through first tuber pipe, the condenser is located in the heating chamber, the evaporimeter is located in the cooling dehumidification is indoor.
5. The heat pump drying system of claim 4, wherein: the cold and heat accumulation drying system comprises a second circulating fan, a heat accumulation chamber, a second drying chamber and a cold accumulation chamber which are sequentially connected in an annular mode through a second air pipe, a cold accumulation evaporator is located in the cold accumulation chamber, a heat accumulation condenser is located in the heat accumulation chamber, and a solar heat collector is connected with the heat accumulation chamber.
6. The heat pump drying system of claim 5, wherein: a temperature thermocouple is arranged between the heat storage chamber and the second drying chamber, a temperature controller is arranged in the second drying chamber, and the temperature controller is connected with the compressor.
7. The heat pump drying system of claim 5, wherein: and the cooling dehumidification chamber and the cold accumulation chamber are internally provided with drainage grooves.
8. A heat pump drying system according to claim 6, wherein: the cold-storage evaporator comprises a heat pump evaporator pipeline and a first phase change capsule, wherein the first phase change capsule surrounds the outside of the heat pump evaporator pipeline.
9. A heat pump drying system according to claim 8, wherein: the heat storage condenser comprises a heat pump condenser pipeline, a second phase change capsule and a ventilation net partition plate, wherein the second phase change capsule and the ventilation net partition plate surround the heat pump condenser pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093243.XA CN111306896A (en) | 2020-02-14 | 2020-02-14 | Heat pump drying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010093243.XA CN111306896A (en) | 2020-02-14 | 2020-02-14 | Heat pump drying system |
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| CN111306896A true CN111306896A (en) | 2020-06-19 |
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| CN202010093243.XA Pending CN111306896A (en) | 2020-02-14 | 2020-02-14 | Heat pump drying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161838A (en) * | 2022-07-15 | 2022-10-11 | 江苏纳斯卡新材料科技有限公司 | Processing method of cotton type filament sewing thread |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289171Y (en) * | 2008-09-19 | 2009-08-12 | 重庆大学 | Hot pipe simultaneous cold-storage thermal storage device |
| CN108844315A (en) * | 2018-09-27 | 2018-11-20 | 广州市同益新能源科技有限公司 | Drying unit |
| CN208968087U (en) * | 2018-10-15 | 2019-06-11 | 依米康科技集团股份有限公司 | A kind of solar energy collaboration refrigeration air-conditioner |
| CN109974437A (en) * | 2019-03-22 | 2019-07-05 | 广东创陆制冷科技有限公司 | A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System |
| CN110186212A (en) * | 2019-05-20 | 2019-08-30 | 全球能源互联网欧洲研究院 | A kind of accumulation of heat, cold accumulation system |
| CN110631290A (en) * | 2018-06-23 | 2019-12-31 | 甘肃白果太阳能科技有限公司 | Heat pump energy storage system |
-
2020
- 2020-02-14 CN CN202010093243.XA patent/CN111306896A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289171Y (en) * | 2008-09-19 | 2009-08-12 | 重庆大学 | Hot pipe simultaneous cold-storage thermal storage device |
| CN110631290A (en) * | 2018-06-23 | 2019-12-31 | 甘肃白果太阳能科技有限公司 | Heat pump energy storage system |
| CN108844315A (en) * | 2018-09-27 | 2018-11-20 | 广州市同益新能源科技有限公司 | Drying unit |
| CN208968087U (en) * | 2018-10-15 | 2019-06-11 | 依米康科技集团股份有限公司 | A kind of solar energy collaboration refrigeration air-conditioner |
| CN109974437A (en) * | 2019-03-22 | 2019-07-05 | 广东创陆制冷科技有限公司 | A kind of phase-transition heat-storage coupled solar Analysis of Heat Pump Drying System |
| CN110186212A (en) * | 2019-05-20 | 2019-08-30 | 全球能源互联网欧洲研究院 | A kind of accumulation of heat, cold accumulation system |
Non-Patent Citations (1)
| Title |
|---|
| 吕金虎: "小型蓄冷蓄热型热泵干燥装置的理论探讨", 《热带农业工程》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161838A (en) * | 2022-07-15 | 2022-10-11 | 江苏纳斯卡新材料科技有限公司 | Processing method of cotton type filament sewing thread |
| CN115161838B (en) * | 2022-07-15 | 2024-06-04 | 江苏纳斯卡新材料科技有限公司 | Method for processing cotton type filament sewing thread |
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Application publication date: 20200619 |