WO2021154044A1 - 진공펌프가 필요 없는 진공건조기 - Google Patents
진공펌프가 필요 없는 진공건조기 Download PDFInfo
- Publication number
- WO2021154044A1 WO2021154044A1 PCT/KR2021/001234 KR2021001234W WO2021154044A1 WO 2021154044 A1 WO2021154044 A1 WO 2021154044A1 KR 2021001234 W KR2021001234 W KR 2021001234W WO 2021154044 A1 WO2021154044 A1 WO 2021154044A1
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- Prior art keywords
- drying chamber
- drying
- vacuum
- outside
- heat exchanger
- Prior art date
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/044—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying materials in a batch operation in an enclosure having a plurality of shelves which may be heated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
-
- 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
- F26B21/005—Drying-steam generating means
-
- 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
- F26B21/08—Humidity
- F26B21/086—Humidity by condensing the moisture in the drying medium, which may be recycled, e.g. using a heat pump cycle
-
- 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
-
- 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
- F26B25/005—Treatment of dryer exhaust gases
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/08—Parts thereof
-
- 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
- F26B25/06—Chambers, containers, or receptacles
- F26B25/14—Chambers, containers, receptacles of simple construction
- F26B25/16—Chambers, containers, receptacles of simple construction mainly closed, e.g. drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Definitions
- the present invention relates to a vacuum dryer that does not require a vacuum pump. After saturating the inside of the drying chamber with water vapor, the temperature is lowered to convert the water vapor to a liquid phase, and the volume decreases rapidly and a vacuum is formed inside the drying chamber. It relates to a device capable of vacuum drying without using a pump, a heater, and a heating medium.
- the vacuum dryer without a vacuum pump of the present invention is provided in a state in which a condenser forming a high temperature region and an evaporator forming a low temperature region are interconnected in a closed drying chamber, and the condenser and the evaporator are each It is connected to the first heat exchanger and the second heat exchanger, and the first heat exchanger and the second heat exchanger are connected to the compressor so that the heat exchange capacity can be varied, and a steam generator is provided outside the drying room to supply water vapor to the inside of the drying room.
- the heat pump with the heat exchange capacity of the first heat exchanger set to the maximum value is driven to release the heat of the first heat exchanger to the outside of the drying chamber, and at the same time, the inside of the drying chamber is cooled by the lowering temperature of the condenser, the water vapor in the evaporator undergoes a phase transition to water or ice, and the pressure is lowered to reach a vacuum state.
- Drying is defined as an operation to remove moisture contained in a substance. Drying improves the storability of the object to be dried. It has the purpose of making handling and transportation convenient and increasing its value. Drying can be seen as one of the processing means or processing processes to achieve this purpose.
- drying methods typically airflow drying in which hot air is blown on the object to be dried, radiation drying by irradiating infrared rays when the object to be dried is easily scattered such as powder, and concentrated sulfuric acid or silica gel in the case of drying material that needs to be dried at a low temperature.
- Dehumidifying drying put in a dryer with a desiccant such as a desiccant vacuum drying that vacuums the inside of the dryer to make the evaporation of moisture in the drying material easier, and furthermore, freezing the drying object that is easily decomposed by heat or deteriorated at room temperature
- a desiccant such as a desiccant
- freezing the drying object that is easily decomposed by heat or deteriorated at room temperature There are freeze-drying to dry, and vacuum freeze-drying in which the inside of the frozen dryer is made into a vacuum to increase the drying speed and the ice in the object to be dried is directly sublimated to remove it.
- the drying temperature and the shorter the drying time the better the quality of the dried food.
- the drying temperature the longer it takes to dry, which leads to a decrease in quality.
- red pepper drying with the exception of Taeyangcho, in general, drying is performed in a drying process of about 40 hours (about 2 days) at around 55°C in a red pepper dryer. If the drying temperature is lowered to 35°C under the same conditions, the drying time will be extended to about 160 hours (about 7 days). In this case, the appearance of the dried pepper is very good, but when you cut the pepper, you can see that the inside is full of mold, so it cannot be used as food.
- a dryer is a typical energy-consuming device, and most of the energy used is consumed as heat of vaporization, that is, latent heat, for water evaporation in the drying process, and is discharged to the atmosphere and wasted.
- Recent energy-saving dryers are saving energy by recovering the latent heat of water vapor discarded in the atmosphere with a heat pump and reusing it.
- the existing vacuum dryer has a vacuum pump for maintaining the vacuum in the dryer, and a heater and a heat medium for supplying drying heat to the object, so the configuration of the dryer is complicated, so the price is high and the operating cost of the dryer is also high.
- the present invention was created to solve the problems in the prior art in view of the various problems in the prior art. After saturating the inside of the drying chamber with water vapor, the temperature is lowered to cause the volume to drop sharply in the process of phase transition of the water vapor to a liquid, and a vacuum is formed inside the drying chamber.
- An object of the present invention is to provide a vacuum dryer that does not require a vacuum pump, which allows the drying chamber to be vacuum dried without a vacuum pump by using a mechanism.
- a condenser forming a high temperature region and an evaporator forming a low temperature region are interconnected and provided in the drying chamber, and the condenser and the evaporator are respectively connected to a first heat exchanger and a second heat exchanger, and a first heat exchanger and a second heat exchange
- the machine is connected to the compressor so that the heat exchange capacity can be varied, and a steam generator is provided outside the drying room to supply steam to the inside of the drying room,
- the inside of the drying chamber is cooled by the lower temperature of
- the vacuum pump which has been regarded as an essential element of vacuum dryers so far, has been regarded as an essential element of the vacuum dryer by allowing the object to be dried, and the evaporator liquefies or sublimes the water vapor to form a low-temperature region and maintain a vacuum state in the drying room to dry the object in a vacuum state. It is an object of the present invention to provide a device that can build and drive a vacuum dryer without using a heater and a heating medium.
- the present invention is to achieve the above object,
- the vacuum dryer that does not require a vacuum pump forms a closed internal space, a drying rack is installed therein, a steam inlet interlocked with an exhaust valve is provided inside one side, and a steam inlet and a steam inlet at the outside of the other side.
- a drying chamber provided with an interlocking exhaust valve; a steam generator located outside the drying room, having a water tank, and connected to a steam inlet; and a heat pump interlocked inside and outside the drying chamber to form a high-temperature region and a low-temperature region inside the drying chamber; but, when the steam generator saturates the water vapor in the drying chamber, the heat pump lowers the internal temperature of the drying chamber to remove the water vapor. It is characterized in that it comprises forming a vacuum state by reducing the volume by liquefaction or sublimation.
- the heat pump includes: a condenser provided in a high temperature region; a first heat exchanger connected to the condenser outside the drying chamber; an evaporator provided in a low-temperature region; a second heat exchanger connected to the evaporator outside the drying chamber; a compressor connecting the first heat exchanger and the second heat exchanger; and an expansion valve connecting the condenser and the evaporator.
- a conical cyclone configured in a shape surrounded by an evaporator;
- a blower inserted into the cylindrical part of one end of the cyclone;
- a motor mounted on the upper end of the blower; further comprising, the cyclone has an inner space formed from the tube-shaped intake port provided on one end of the cylindrical portion to the conical portion of the other end, and the blower is provided with an outlet on the side and the lower end is connected to the inside of the cyclone
- the blower generated from the motor further comprises a configuration to communicate with the outlet and the cone.
- it further includes a storage tank connected to the cyclone cone, wherein the storage tank is connected to a discharge pump outside the drying chamber, the discharge pump is connected to the water tank and a pipe, and water vapor generated in a high temperature region of the drying chamber Condensed in the cyclone and discharged in the form of water or ice further comprises forming a circulation structure that is recovered to the storage tank.
- a check valve is provided at a portion where the storage tank and the discharge pump are connected from the outside of the drying chamber to prevent the condensed water from the storage tank from flowing back into the storage tank.
- the drying chamber is vacuumed without using a vacuum pump, heater, or heating medium by using a mechanism that allows a vacuum to be formed inside the drying chamber while the volume rapidly decreases in the process of changing the phase to liquid by lowering the temperature after saturating the interior of the drying chamber with water vapor. It can be vacuum-dried.
- the configuration of the dryer is very simple, so the durability and reliability of the dryer are improved.
- the failure rate is significantly lowered compared to the existing complex vacuum freeze dryer, and maintenance is easy.
- the dry food culture in Korea is fundamental because high-quality food can be dried with this dryer even for general foods that have been difficult to use because of the dryer price and operating cost. can be upgraded to one level.
- the high performance coefficient of the heat pump and the heat of the heat pump are circulated only as heat generation (drying) and endothermic heat (condensation) inside the drying chamber, so energy loss other than drying does not occur, so energy efficiency This is very high. That is, since all heat transfer involved in drying is not lost from inside the drying chamber to the outside, very high efficiency energy saving is achieved.
- FIG. 1 is a schematic configuration diagram of a vacuum dryer that does not require a vacuum pump according to an embodiment of the present invention.
- FIG. 2 is a block diagram of a vacuum dryer that does not require a vacuum pump according to another embodiment of the present invention.
- FIG. 3 is a state change curve of water according to pressure and temperature, which is a principle applied to a vacuum dryer that does not require a vacuum pump according to an embodiment of the present invention.
- FIG. 1 is a schematic configuration diagram of a vacuum dryer that does not require a vacuum pump according to an embodiment of the present invention
- FIG. 2 is a configuration diagram of a vacuum dryer that does not require a vacuum pump according to another embodiment of the present invention
- FIG. 3 is a state change curve of water according to pressure and temperature, which is a principle applied to a vacuum dryer that does not require a vacuum pump according to an embodiment of the present invention.
- the vacuum dryer 10 that does not require a vacuum pump according to a preferred embodiment of the present invention includes a drying chamber 200 , a heat pump 100 , and a steam generator 300 .
- the drying chamber 200 is in the form of a case forming a sealed internal space, and may function as a space in which an object to be dried is arranged and dried.
- a high-temperature region 220 and a low-temperature region 230 may be divided and set. space can be specified.
- a steam inlet 210 may be provided at the lower end of the drying chamber 200
- an exhaust valve 211 may be provided at the upper end thereof.
- the position of the steam inlet 210 and the exhaust valve 211 may be configured at any position as long as it is consistent with optimizing the function of the present invention.
- the steam generator 300 provided outside the drying chamber 200 may be connected to the inside of the drying chamber 200 through the steam inlet 210 at the bottom of the drying chamber 200 .
- the drying chamber 200 When the steam generator 300 generates steam and supplies steam to the inside of the drying chamber 200 through the steam inlet 210, the drying chamber 200 is filled with steam, and at this time, through the control of opening and closing the exhaust valve 211 It may function to discharge or seal the air and water vapor inside the drying chamber 200 .
- a water tank 310 may be connected to the steam generator 300 to generate water vapor, and a drain 311 may be attached to the water tank 310 to inject and discharge water.
- the exhaust valve 211 is provided outside the upper end of the drying chamber 200 to discharge or block the air or water vapor inside the drying chamber 200, and an exhaust check valve 212 is located at the lower end of the exhaust valve 211. ) may be provided to prevent external air from flowing backward into the drying chamber 200 .
- the exhaust valve 211 and the exhaust check valve 212 are vertically connected, and the exhaust valve 211 is provided outside the upper end of the drying chamber 200 , and the exhaust check valve 212 is provided inside the upper end of the drying chamber 200 . have a shape that becomes
- the drying chamber 200 is provided with a drying rack 213 therein, so that an object to be dried can be deployed.
- the drying rack 213 may be provided in the form of a wire mesh type through which heat and air pass or an iron plate having excellent conductivity, and may be located in the high temperature region 220 inside the drying chamber 200 to maximize the drying effect. Specifically, It is preferably located at the upper end of the condenser 110 of the heat pump 100 to be described later and provided so as to be directly exposed to the heat and high temperature emitted from the condenser 110 .
- the drying rack 213 may be composed of a single layer or multiple layers, and the shape and number of layers may be variably designed and applied according to the overall shape of the drying room 200 and the installation location and purpose of the dryer.
- the drying chamber 200 may be provided with a cover, and as a preferred embodiment of the present invention, the cover may be located at the upper end of the drying chamber 200 .
- the drying chamber 200 may open a cover to load or take out an object to be dried, and may inspect or repair a device located inside the drying chamber 200 .
- a sealed state may be formed, and the sealed drying chamber 200 may have a structure that can communicate with the outside through the steam inlet 210 and the exhaust valve 211. there is.
- the heat pump 100 may be provided in conjunction with the inside and the outside of the drying chamber 200 .
- the heat pump 100 can perform a key function of maintaining an environment in which the object to be dried can be dried in a vacuum state by drying the object to be dried after creating the drying chamber 200 in a vacuum state, and maintaining thermal circulation and thermal equilibrium. there is.
- the heat pump 100 may include a condenser 110 , an evaporator 120 , an expansion valve 140 , a compressor 130 , a first heat exchanger 131 , and a second heat exchanger 132 . there is.
- the condenser 110 , the evaporator 120 , and the expansion valve 140 are located inside the drying chamber 200 , and the compressor 130 , the first heat exchanger 131 , and the second heat exchanger 132 are the drying chamber 200 . It can be located outside.
- the condenser 110 is located in the high temperature region 220 inside the drying chamber 200 and may be connected to the first heat exchanger 131 .
- the condenser 110 performs a function of condensing the refrigerant and drying the object to be dried, and for this purpose, it can be formed in any shape and position. It forms a rolled shape like a coil and may be located under the drying rack 213 .
- One end of the condenser 110 may be connected to the first heat exchanger 131 in a pipe shape, and the other end may be connected to the evaporator 120 in a pipe shape.
- the evaporator 120 is located in the low temperature region 230 inside the drying chamber 200 .
- the evaporator 120 may function to liquefy or sublimate the water vapor in the drying chamber 200, and for this purpose, it may be applied in any shape and location. It may be configured in the shape of a rolled coil.
- the configuration of the condenser 110 and the evaporator 120 is, for example, as shown in FIG. 1 , in which the condenser 110 is located in the lower part of the drying chamber 200 and the evaporator 120 is located in the upper part of the drying chamber 200. This may be formed in the vertical direction, and as shown in FIG. 2 , the drying chamber 200 is formed in the horizontal direction, and the condenser 110 is located on one side of the drying chamber 200 and the evaporator 120 is located on the other side and side by side. It may be configured in an arranged shape.
- an expansion valve 140 may be provided at a connection portion between the condenser 110 and the evaporator 120 .
- the expansion valve 140 may function to reduce the high-temperature, high-pressure refrigerant compressed in the condenser 110 and condensed to a pressure that can cause evaporation, and the expansion valve 140 also controls the flow rate of the refrigerant. Thus, it can also function to provide to the evaporator 120 .
- the high-temperature and high-pressure refrigerant of the condenser 110 is rapidly decompressed to a low pressure through the expansion valve 140 and then discharged to the evaporator 120 to form a low-temperature cooling state. It may be a reference point for dividing the high temperature region 220 by the condenser 110 and the low temperature region 230 by the evaporator 120 inside.
- One end of the evaporator 120 may be connected to the condenser 110 , and the other end may be connected to the second heat exchanger 132 .
- the storage tank 124 is located inside the drying chamber 200, and the upper end of the storage tank 124 is connected to a cyclone 121 to be described later and is liquefied or sublimed by the evaporator 120, and the condensed water undergoes a phase transition into water or ice. is delivered and stored, and the lower end thereof is connected to the discharge pump 150 outside the drying chamber 200 and may function to discharge to the outside.
- a pipe is connected to the lower end of the storage tank 124 and passes through the lower portion of the drying chamber 200 to be connected to the discharge pump 150 provided outside the drying chamber 200 , and the discharge pump 150 is condensed water from the storage tank 124 . It can function to release
- the check valve is adjacent to the discharge pump 150 in the section outside the drying chamber 200 between the discharge pump 150 and the storage tank 124 . 151 may be provided.
- the compressor 130 may have a structure in which one end is connected to the first heat exchanger 131 and the other end is connected to the second heat exchanger 132 , and eventually the refrigerant compressed in the compressor 130 is transferred to the first heat exchanger. It is transmitted to the condenser 110 through 131 , and a circulation structure is formed in which the condenser 110 is connected to the compressor 130 through the expansion valve 140 , the evaporator 120 , and the second heat exchanger 132 . will do
- the first heat exchanger 131 ⁇ the condenser 110 ⁇ the evaporator 120 ⁇ the second heat exchanger 132 ⁇ the compressor 130 is circulated in the order.
- the vacuum pump is not configured and no heater or heating medium is used.
- the inside of the drying chamber is in a vacuum state, a vacuum pump, a heater, and a heating medium are not provided. be able to
- the steam generator 300 generates steam using water stored in the water tank 310 , and injects the steam into the drying chamber 200 through the steam inlet 210 .
- the exhaust valve 211 at the top of the drying chamber 200 is opened so that indoor air is discharged, so that the air in the drying chamber 200 can be replaced with water vapor.
- the exhaust valve 211 and the steam inlet 210 are closed to form the drying chamber 200 in a sealed state.
- the heat pump 100 is driven.
- the heat pump 100 discharges heat to the outside of the drying chamber 200 through the first heat exchanger 131 , and at the same time, a compressed refrigerant is supplied to the condenser 110 by external dissipation of heat, so that the drying chamber 200 saturated with water vapor. ) begins to cool.
- the drying chamber 200 As the drying chamber 200 is cooled, in the low-temperature region 230 , the water vapor is condensed while the phase transition is made to water or ice by the evaporator 120 , so that the pressure inside the drying chamber 200 is lowered.
- an initial vacuum state may be formed in the drying chamber 200 without a vacuum pump.
- the heat exchange capacity of the first heat exchanger 131 is reduced and the heat emitted to the outside is supplied to the condenser 110 .
- the drying chamber 200 by adjusting the capacity of the first heat exchanger 131 to adjust the calorific value of the condenser 110 and adjusting the capacity of the second heat exchanger 132 to adjust the heat absorption of the evaporator 120, the drying chamber 200 It is adjusted so that thermal balance is achieved in the high temperature region by the condenser 110 and the low temperature region by the evaporator 120 within.
- the heat supplied to the condenser 110 forms a high-temperature region 220 in the drying chamber 200 , and dries the object to be dried on the drying rack 213 positioned above the condenser 110 .
- the thermal imbalance state in which the high-temperature region 220 is continuously heated continues, but the total entropy of the entire interior of the drying chamber 200, which is a closed system, maintains a thermal equilibrium state that is maintained almost constant. Keep it dry.
- Boiling water is equivalent to very rapid drying.
- the general blower 123 cannot be used, and the low-temperature and low-pressure dryer actually used is equipped with a high-performance ring blower or a turbo blower having a very large negative pressure.
- the vacuum dryer 10 that does not require a vacuum pump according to an embodiment of the present invention, if the heat supply in the drying chamber 200 is increased through the first heat exchanger 131, the pressure and temperature inside the dryer can be increased, and the heat Reducing the supply can lower the pressure and temperature inside the dryer.
- the operation mode can be freely set and operated from the low-temperature and low-pressure drying area (region B in FIG. 3) to the vacuum freeze-drying area (region A in FIG. 3) without the need for a high-performance blower 123 or a vacuum pump, and operation of the dryer During operation, the operation mode can be flexibly changed as needed.
- Factors closely related to drying include temperature, humidity, and ventilation.
- the vacuum dryer 10 that does not require a vacuum pump according to an embodiment of the present invention includes a blower 123 and a cyclone 121 in the evaporator 120 of the low-temperature region 230 where water vapor is condensed or condensed. It was improved to increase the drying speed by installing a
- the cyclone 121 is conical and may be configured to be surrounded as if wrapped around the coil-shaped evaporator 120.
- the wide cylindrical portion of one end faces upward and the narrow cone portion of the other end faces the bottom. can be configured.
- a tube protrudes in the form of a chimney in the horizontal direction from the side surface of the cylindrical portion toward the high-temperature region 220 to form a suction port 121a.
- One end of the cylindrical portion of the cyclone 121 is provided with a blower 123 to correspond to the shape of the cylindrical portion to cover the upper end of the cyclone 121, the side of the blower 123 may be provided with an outlet (123a).
- a motor 122 may be mounted on the upper end of the blower 123 , so that water vapor in the blower 123 may be discharged to the outside through the outlet 123a by the operation of the motor 122 .
- the evaporator 120 of the low temperature region 230 is provided with a cyclone 121 in an inner space formed in a coil shape, and a blower 123 and a motor 122 are provided on the upper portion of the cyclone 121 .
- the lower portion of the cyclone 121 may have a shape in which the storage tank 124 is connected.
- Water vapor in the drying chamber 200 flows into the suction port 121a of the cyclone 121, is cooled by the evaporator 120 surrounding the cyclone 121, and is condensed or condensed to be collected in the storage tank 124 as water or ice. At this time, a small amount of water vapor that cannot be condensed is discharged through the outlet 123a of the blower 123 by the blowing generated by the motor 122 .
- blower 123 Since the operating environment of the blower 123 is a very low pressure region below atmospheric pressure, a general blower 123 having an appropriately designed blade can be used.
- the inlet 121a of the cyclone 121 is geometrically formed so as to effectively collect water vapor generated in the high-temperature region 220 as shown in FIG. 2 and may be appropriately disposed.
- the pressure of a gas is defined as the force that molecules collide with the wall of the container. significance can be seen.
- the ice condensed on the cyclone 121 may be stored in the storage tank 124 using a defrost heater or through a defrosting operation of the heat pump 100 .
- the condensed water in the form of water or ice collected in the storage tank 124 through the cyclone 121 is connected to the cyclone 121 and discharged by the operation of the discharge pump 150 provided outside the drying chamber 200, and is discharged to the water tank through a pipe. (310).
- the discharge pump 150 may function to take out the condensed water from the storage tank 124 and send it to the water tank 310 using suction power.
- a check valve 151 is provided at the connection portion between the discharge pump 150 and the storage tank 124 to prevent the condensed water from flowing back into the storage tank 124 .
- the condensed water recovered to the water tank 310 is regenerated as water vapor by the steam generator 300 , saturates the inside of the drying chamber 200 , and then circulates through the cooling process to be condensed and discharged.
- the refrigerant delivered to the evaporator 120 after the condenser 110 detects the expansion valve 140 and is depressurized passes through the evaporator 120 while maintaining the low-temperature and low-pressure state inside the drying chamber 200, and the pipeline outside the drying chamber 200 is transferred to the second heat exchanger 132 along the
- the second heat exchanger 132 converts the introduced high-pressure refrigerant into a low-pressure refrigerant through a heat exchange action, and then prepares the compressor 130 to compress it into a high-pressure refrigerant through the first heat exchanger 131 again. function can be
- the heat of the heat pump 100 generated by the compressor 130 compressing the high temperature and high pressure in the first heat exchanger 131 is generated only in the high temperature region 220 inside the drying chamber 200 (drying) and in the low temperature region ( 230), since it is circulated to the second heat exchanger 132 through the endothermic (condensation) process, energy loss other than drying does not occur, so energy efficiency is very high.
- the user opens the cover of the drying chamber 200 and places the object to be dried on the drying rack 213 in the drying chamber 200 .
- the cover of the drying chamber 200 is closed and the heat exchange capacity of the first heat exchanger 131 is set to a maximum value.
- the steam inlet 210 and the exhaust valve 211 are opened, and the steam generator 300 is connected to the steam inlet 210 , and then the steam generator 300 is operated to inject water vapor into the drying chamber 200 .
- the inside of the drying chamber 200 is replaced with steam instead of air, and when the steam is saturated in the drying chamber 200 , the exhaust valve 211 and the steam inlet 210 are closed.
- the heat pump 100 Since the heat pump 100 is operated while discharging heat to the outside of the drying chamber 200 through the first heat exchanger 131 , a condensation process is performed in the condenser 110 inside the drying chamber 200 , and the pressure is reduced through the expansion valve 140 . In the low-temperature region 230 where the heat generator is located, since the water vapor is condensed while the phase transition is made to water or ice, the pressure in the drying chamber 200 is lowered.
- the heat exchange capacity of the first heat exchanger 131 is reduced to start supplying heat to the condenser 110 of the heat pump 100 .
- the capacity of the first heat exchanger 131 is adjusted to adjust the amount of heat generated by the condenser 110 and the amount of heat absorbed by the evaporator 120 to achieve a thermal balance in the drying chamber 200 .
- drying of the object to be dried is performed in the drying rack 213 located in the high temperature region 220 where the condenser 110 generates heat. Since the low temperature is maintained through the liquefaction or sublimation process, the drying of the to-be-dried object can be performed rapidly in a low-temperature vacuum state.
- the drying process of the object to be dried can be performed using the vacuum dryer 10 that does not require a vacuum pump of the present invention.
- a new vacuum dryer can be built using the physical properties of water.
- the water vapor is condensed in the evaporator 120 area to lower the pressure inside the drying chamber 200, and the evaporator ( The heat recovered in 120) is supplied as drying heat to the object to be dried in the condenser 110 section.
- the pressure can be set and maintained from low-pressure drying to vacuum drying, and the temperature from low-temperature drying to freeze-drying can be set and maintained, so an innovative dryer with various functions can be built.
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Abstract
Description
Claims (5)
- 밀폐된 내부 공간을 형성하며 내부에 건조대가 설치되고 일측면 내부에는 배기밸브와 연동되는 증기주입구가 구비되고 타측면 외부에는 증기주입구와 연동되는 배기밸브가 구비되는 건조실;건조실의 외부에 위치하고 물탱크를 구비하며 증기주입구에 연결되는 증기발생기; 및건조실의 내부와 외부에 연동되어 구비되며 건조실 내부에 고온영역과 저온영역을 형성하는 히트펌프;를 포함하되,증기발생기가 건조실 내부에 수증기를 포화시키면 히트펌프가 건조실 내부 온도를 강하하여 수증기를 액화 또는 승화시켜 부피를 감소함으로써 건조실 내부에 진공상태가 형성되는 것을 특징으로 하는 진공펌프가 필요 없는 진공건조기.
- 제1항에 있어서,히트펌프는, 고온영역에 구비되는 응축기; 건조실 외부에서 응축기에 연결되는 제1열교환기; 저온영역에 구비되는 증발기; 건조실 외부에서 증발기에 연결되는 제2열교환기; 제1열교환기와 제2열교환기 사이를 연결하는 컴프레서; 및 응축기와 증발기를 연결하는 팽창밸브;를 더 포함하는 진공펌프가 필요 없는 진공건조기.
- 제2항에 있어서,증발기에 둘러싸인 형상으로 구성되는 원뿔형의 사이클론; 사이클론의 일단 원통부에 삽입 장착되는 송풍기; 송풍기의 상단에 장착되는 모터;를 더 포함하되,사이클론은 일단 원통부에 구비된 관 형태의 흡입구에서 타단 원뿔부로 내부공간이 형성되어 이어지고, 송풍기는 측면에 배출구가 구비되고 하단은 사이클론 내부와 연결되며, 모터에서 발생하는 송풍이 배출구와 원뿔부로 연통되도록 구성되는 것을 더 포함하는 진공펌프가 필요 없는 진공건조기.
- 제3항에 있어서,사이클론 원뿔부에 연결되는 저장탱크를 더 포함하되,저장탱크는 건조실 외부의 배출펌프에 연결되고, 배출펌프는 물탱크와 관으로 연결되며, 건조실 고온영역에서에서 발생하는 수증기가 사이클론에서 응축되어 물 또는 얼음의 형태로 배출되며 저장탱크로 회수되는 순환구조를 형성하는 것을 더 포함하는 진공펌프가 필요 없는 진공건조기.
- 제4항에 있어서,건조실 외측에서 저장탱크와 배출펌프가 연결되는 부위에 체크밸브가 구비되어 저장탱크의 응축수가 저장탱크로 역류하는 것을 방지하는 것을 더 포함하는 진공펌프가 필요 없는 진공건조기.
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JP2022546716A JP2023512095A (ja) | 2020-01-29 | 2021-01-29 | 真空ポンプを必要としない真空乾燥機 |
CN202180011551.6A CN115003975B (zh) | 2020-01-29 | 2021-01-29 | 无需真空泵的真空干燥机 |
US17/795,475 US20230358469A1 (en) | 2020-01-29 | 2021-01-29 | Vacuum dryer not requiring vacuum pump |
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KR1020200010163A KR102402683B1 (ko) | 2020-01-29 | 2020-01-29 | 진공펌프가 필요 없는 진공건조기 |
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KR102693006B1 (ko) | 2024-02-16 | 2024-08-07 | 서창환 | 고추 진공 포장 시스템 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009275937A (ja) * | 2008-05-12 | 2009-11-26 | Noritz Corp | 真空化装置及びこの真空化装置の運転制御方法 |
JP2010243001A (ja) * | 2009-04-02 | 2010-10-28 | Green Seiju:Kk | 自律平衡型ヒートポンプユニット |
KR20140122783A (ko) * | 2013-04-11 | 2014-10-21 | 한국에너지기술연구원 | 건조챔버와 응축챔버 일체형 건조기 |
US20170160011A1 (en) * | 2014-01-27 | 2017-06-08 | Elwha Llc | Vacuum assisted dryer systems and methods |
KR101795770B1 (ko) * | 2016-11-30 | 2017-11-08 | (주)에네스이엔지 | 히트펌프를 이용한 진공건조기 및 이를 이용한 건조방법 |
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---|---|---|---|---|
CN106871579B (zh) * | 2017-01-23 | 2019-06-07 | 华北水利水电大学 | 一种热泵真空耦合远红外干燥装置 |
-
2020
- 2020-01-29 KR KR1020200010163A patent/KR102402683B1/ko active IP Right Grant
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2021
- 2021-01-29 WO PCT/KR2021/001234 patent/WO2021154044A1/ko active Application Filing
- 2021-01-29 JP JP2022546716A patent/JP2023512095A/ja active Pending
- 2021-01-29 CN CN202180011551.6A patent/CN115003975B/zh active Active
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009275937A (ja) * | 2008-05-12 | 2009-11-26 | Noritz Corp | 真空化装置及びこの真空化装置の運転制御方法 |
JP2010243001A (ja) * | 2009-04-02 | 2010-10-28 | Green Seiju:Kk | 自律平衡型ヒートポンプユニット |
KR20140122783A (ko) * | 2013-04-11 | 2014-10-21 | 한국에너지기술연구원 | 건조챔버와 응축챔버 일체형 건조기 |
US20170160011A1 (en) * | 2014-01-27 | 2017-06-08 | Elwha Llc | Vacuum assisted dryer systems and methods |
KR101795770B1 (ko) * | 2016-11-30 | 2017-11-08 | (주)에네스이엔지 | 히트펌프를 이용한 진공건조기 및 이를 이용한 건조방법 |
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CN115003975B (zh) | 2023-07-21 |
KR102402683B1 (ko) | 2022-05-25 |
JP2023512095A (ja) | 2023-03-23 |
KR20210096744A (ko) | 2021-08-06 |
CN115003975A (zh) | 2022-09-02 |
US20230358469A1 (en) | 2023-11-09 |
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