KR101169928B1 - Drier combined air conditioning and heating apparatus - Google Patents

Abstract

The present invention relates to a dryer and cooling and heating device, and more particularly, to a dryer and cooling and heating device such as agricultural and marine products using a heat pump system. It was made possible.

The present invention forms a drying air generating chamber 13 on one side of the main body 11, a drying chamber 14 is formed on the other side of the dry air generating chamber 13 to put the dry tray 15 10; The dehumidification chamber 31 is formed on the upper part of the main body 11 so that the endless hygroscopic cloth 32 can be rotated by the driving means 33 in the upper part of the drying chamber 14 and the dehumidification chamber 31. A dehumidifying means 30; An outdoor heat exchanger (48) which exposes the evaporator (53), the condenser (44) and the circulation fan (57a) to the dry air generating chamber (13), and the outside air to the dehumidification air outlet side of the dehumidification chamber (31), A heat pump system 40 in which an indoor heat exchanger 45 is installed on one side of the endless moisture absorbent cloth 32 of the dehumidification chamber 31 and a second indoor heat exchanger 55 is installed in a cooling / heating place. ).

Drying room, dry air generating room, drying room, dry tray, cooling / heating place, dehumidification stage, dehumidification room, heat pump system, condenser, indoor heat exchanger, outdoor heat exchanger, evaporator, second indoor heat exchanger

Description

Dryer & Air Conditioning Equipment {DRIER COMBINED AIR CONDITIONING AND HEATING APPARATUS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dryer and cooling and heating apparatus, and more particularly, to a dryer and cooling and heating apparatus such as agricultural and marine products using a heat pump system.

Conventionally, the drying of agricultural and marine products is carried out by solar heat during the day, and the natural drying method at room temperature which repeats leaving it in the atmosphere at night to maintain the original color and leave it in the air for a long time. It is matured and has a good taste, but when it is dried, foreign matters (such as yellow dust) get on the dried items, which not only harms hygiene, but also after industrial society, the dry amount of dried products is increased and the speed of drying is required. In order to improve productivity, artificial drying is mainly used.

The artificial drying is a method of storing a dry matter in a drying chamber, supplying hot air to the drying chamber, or generating hot air in the drying chamber to heat the air in the drying chamber to lower relative humidity to evaporate moisture contained in agricultural and marine products.

The inventor of the present invention has conducted a lot of research on artificial drying methods such as agricultural and marine products using a heat pump system, and has proposed a dryer and a refrigerated warehouse described in Patent Document 1.

The dryer and refrigerating warehouse of the patent document 1 is formed by dividing the exhaust chamber, the circulation passage and the dry refrigerator compartment into the case in order to the case, and installing an outdoor heat exchanger on the side wall of the exhaust chamber and an indoor heat exchanger on the bottom plate of the dry refrigerator compartment side. A circulation circuit is formed between the circulation passage and the dry refrigerating chamber via an indoor heat exchanger, an exhaust damper is provided in the exhaust chamber side diaphragm, an external air preheating means is formed above the case, and an air dehumidifying agent is formed in the circulation circuit. In this case, the dryer-refrigerated warehouse operates the indoor heat exchanger as a condenser to dry the dry matter placed on the trolley rack by the heat of condensation, and the air containing the moisture that has finished drying of the dry matter forms a circulation passage. Dehumidified by the dehumidifying agent when it is supplied to the drying chamber via diesel, while the dried product is dried in the drying chamber. As to the action an indoor heat exchanger as an evaporator lowering the temperature in the drying chamber after a groping will ever to the laundry stored in a refrigerator.

Patent Document 1; KR 10-0226679 (B1)

However, the dryer and refrigerated warehouse using the heat pump system is environmentally friendly, and after drying the agricultural and marine products in the same place and refrigerated, it is possible to quickly dry the agricultural and marine products, increase the efficiency, and simplify the structure. Although there is an advantage in reducing the logistics cost, the dried material is left in a high temperature state until the drying is completed, there is a defect that is discolored and tasteless, the inventors of the present invention to improve the shortcomings of the patent patent 2008 It was proposed in Korean Patent Application No. 83159.

As described above, the first application forms a dry air generating chamber 13 on one side of the main body 11 and a drying chamber 14 on the other side of the dry air generating chamber 13 to dry the article. A dryer 10 for placing the tray 15; The dehumidification chamber 31 is formed on the upper part of the main body 11 so that the endless hygroscopic cloth 32 can be rotated by the driving means 33 in the upper part of the drying chamber 14 and the dehumidification chamber 31. A dehumidifying means 30; The outdoor heat exchanger 48 exposing the evaporator 53, the condenser 44, and the circulation fan 57a to the dry air generating chamber 13 to the outside air on the other side (dehumidifying air outlet side) of the dehumidification chamber 31. ) Is composed of a heat pump system 40 in which an indoor heat exchanger 45 is provided on an inner side of the endless moisture absorbent fabric 32 of the dehumidification chamber 31.

However, the above-mentioned application also prevents discoloration by alternating high-temperature drying and low-temperature drying when drying agricultural and marine products, and improves the drying of agricultural and marine products by satisfactory taste. Since the drying of agricultural and marine products is only intermittent, the productivity (operation rate) is low, and the drying device is mainly installed in agricultural and fishing villages to perform only drying operations of agricultural and marine products. The installation of the heating device, that is, the drying device and the cooling and heating device to be installed, respectively, there is a problem such as a high installation cost and maintenance costs.

In view of the above circumstances, it is an object of the present invention to provide a dryer and a cooling / heating device that enables the dryer to be multifunctional to exert cooling and heating functions in addition to the drying function.

It is another object of the present invention to provide a dryer and an air conditioning and heating device, in which hot water is generated.

In order to achieve the above object, the present invention forms a drying air generating chamber on one side of the inside of the main body, the drying chamber to form a drying chamber on the other side of the dry air generating chamber and the drying tray; A dehumidifying means formed on an upper portion of the main body to install an endless type absorbent cloth in the upper portion of the drying chamber and the dehumidifying chamber so as to be rotated by a driving means; An outdoor heat exchanger in which the evaporator, the condenser and the circulation fan are exposed to the outside air on the side of the dehumidification air outlet of the dehumidification chamber, and an indoor heat exchanger on an inner side of the endless moisture absorbent fabric of the dehumidification chamber, It consists of a heat pump system equipped with a second indoor heat exchanger in a cooling and heating place.

In order to achieve the above object, the present invention forms a drying air generating chamber on one side of the inside of the main body, the drying chamber to form a drying chamber on the other side of the dry air generating chamber and the drying tray; A dehumidifying means formed on an upper portion of the main body to install an endless type absorbent cloth in the upper portion of the drying chamber and the dehumidifying chamber so as to be rotated by a driving means; An outdoor heat exchanger in which the evaporator, the condenser and the circulation fan are exposed to the outside air on the side of the dehumidification air outlet of the dehumidification chamber, and an indoor heat exchanger on an inner side of the endless moisture absorbent fabric of the dehumidification chamber, A heat pump system having a second indoor heat exchanger installed at a cooling and heating place; It consists of a hot water heating circuit installed between the compressor and the 4-way valve of the refrigerant conduit of the heat pump system.

As described above, the present invention provides good drying by alternately performing high temperature drying and low temperature drying during drying of agricultural and aquatic products, and diversifies the function of the dryer to stop the drying operation. It can improve the productivity and reduce the installation and operating costs by allowing the cooling and heating.

In addition, the present invention is to greatly increase the convenience of the hot water heating circuit in the hot water heating circuit during the drying operation to further produce hot water for heating of the heating and cooling places.

1 is a cross-sectional view of the first embodiment of the present invention, FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1, FIG. 3 is an enlarged view of the absorbent fabric of the first embodiment of the present invention, and FIG. 4 is a first embodiment of the present invention. It is a block diagram of the heat pump system of an example.

The first embodiment of the present invention is roughly divided into a drying chamber 10, a dehumidifying means 30 and a heat pump system 40.

The drying chamber 10 is provided with a door 12 on one side (front surface) of the body 11 made of a hexahedron, etc., the drying air generating chamber 13 of the high temperature and low temperature on one side of the inside of the body 11 And forming a drying chamber 14 on the other side of the drying air generating chamber 13 to put a dry tray 15 such as a bogie-type rack or a multi-stage conveyor in the drying chamber 14.

The to-be-dried tray 15 shows a bogie-type shelf in the drawing, and a circulation fan 57a for describing hot or low-temperature dry air generated in the dry-air generating chamber 13 in the dry goods placed on the bogie-type shelf. It is to be sent by.

In the case where the trolley-type shelf is put as the dry tray in the drying chamber 14, the rail 16 is installed at the bottom of the drying chamber 14 to guide the casters installed at the bottom of the trolley-type shelf to the drying chamber 14. When inserting and withdrawing mold shelf, it is easy to operate with small force and installed at the correct position.

The dehumidifying means 30 forms a dehumidifying chamber 31 on the upper part of the main body 11 to install an endless type absorbent cloth 32 in the upper part of the drying chamber 14 and the dehumidifying chamber 31 to drive the means ( An indoor heat exchanger installed with a fan 57b installed on one side of the endless moisture absorbent cloth 32, which is rotated by a motor-attached drive shaft) 33 to absorb air containing a large amount of moisture in the drying chamber 14, which will be described later. Drying by the heat of condensation of (45) is to be discharged to the atmosphere, the belt 34a (34b) is provided on both sides of the endless type absorbent fabric 32 to improve the rotation of the absorbent fabric 32, the moisture absorption In the cloth 32, dehumidification efficiency is improved by dispersing absorbent materials 35 such as zeolite and male.

The heat pump system 40 carries the basic refrigeration cycle 41 through the compressor 42, the four-way valve 43, the condenser 44, the indoor heat exchanger 45, the receiver 46, the expansion valve 47. In order to connect the outdoor heat exchanger (48) in order to the refrigerant conduit (49), the four-way valve (43) and the compressor 42 is formed by connecting the refrigerant suction conduit (50), the receiver 46 And a second refrigerant conduit 51 connected to the refrigerant suction conduit 50 to install an expansion valve 52 and an evaporator 53 for low temperature drying, and the condenser 44 and the condenser 44 in the refrigerant conduit 49. By connecting the bypass conduit (54) bypassing the heat exchanger (45) to install a second indoor heat exchanger (55) and a second expansion valve (56) in the bypass conduit (54), the dry air generating chamber (13) The evaporator (53), the circulation fan (57a) and the condenser (44) are installed in the fan, and the indoor heat exchanger (45) is connected to the inner side of the endless moisture absorbent cloth (32) of the dehumidification chamber (31). 57b) with The outdoor heat exchanger 48 is installed at the other side (dehumidification air outlet side) of the dehumidification chamber 31 to be exposed to the outside together with the fan 57c, and the second indoor heat exchanger 55 is installed in the building. It is made by installing in an indoor or a cooling / heating place 20 such as a plastic house.

The heat pump system 40 allows the refrigerant to flow in an arrow solid line at high temperature drying, and the refrigerant is continuously flowed alternately in an arrow imaginary line at low temperature drying, thereby compressing the refrigerant vapor compressed by the compressor 42 at high temperature drying. Condensation in the condenser 44 produces hot air (eg, 35 to 80 ° C.), and at low temperature drying, the vapor of the refrigerant is evaporated in the evaporator 53 and the inside of the drying chamber 14 is cooled to a low temperature (eg, 10 to 20 ° C), and when operated as described above, the indoor heat exchanger 45 acts as a subcooled condenser when generating high temperature air, and if only the low temperature drying operation is continued, the low temperature storage function may be performed. .

In addition, when the refrigerant flows in the arrow virtual line, the heat pump system 40 evaporates the refrigerant liquid in the second indoor heat exchanger 55 to cool the cooling / heating place 20 by the evaporation heat, or to generate cold water. When the refrigerant flows in the solid line of the arrow, the second indoor heat exchanger 55 condenses the refrigerant vapor and heats the cooling / heating place 20 by the heat of condensation, or generates hot water.

In addition, the heat pump system 40 is connected to the receiver 46 of the second refrigerant conduit 51, the inlet and outlet of the receiver 46 during the high temperature drying of the refrigerant conduit 49, and bypass of the refrigerant conduit 49. Solenoid valves S3, S4, S5, S6, and S7 are provided at the inlet of the conduit 54 and the inlet of the bypass conduit 54, respectively. (S4) (S5) is opened, the solenoid valves S5 and S3 are opened at an arbitrary set time interval at low temperature drying, and the solenoid valves S7 and S4 are opened at the time of cooling and heating.

Reference numerals 71a, 71b, 71c, 71d, and 71e are check valves, 72a, 72b, and 72c are dampers, and the dampers 72a are for ventilation of the dehumidification chamber 31, and the dampers 72b are drying chambers 14. ) Damper 72c is for the air bypass of the drying chamber 14, and a dehumidification plate 73 is installed on the outer surface of the damper 72a to dehumidify when the humidity of the air is high. will be.

In addition, 74a-74h are the seal | block which cuts off between the shelf and drying chamber 14 which are the to-be-dry tray 15, and the moisture absorption cloth 32, 75a-75e are guide shafts, and 76 is a condensate receiver.

Hereinafter, the operation of the first embodiment of the present invention will be described for each mode.

1) Drying Mode

When drying at a high temperature, the solenoid valves S6, S4, and S5 are opened, and the 4-way valve 43 is operated so that the refrigerant flows in the solid line of the arrow, and the compressor 42 is driven. The refrigerant vapor of the high temperature and high pressure condenses in the condenser 44, and the hot air generated by the heat of condensation is supplied to the dry object placed on the dry object tray 15 by the circulation fan 57a to dry the dry matter at high temperature. , The supercooled in the indoor heat exchanger (45), collected in the receiver (46), evaporated in the outdoor heat exchanger (48), and then sucked into the compressor (42), while the solenoid valve (S5) (S3) is When the 4-way valve 43 is operated to operate the refrigerant in an arrow imaginary line, and then the compressor 42 is driven, the high-temperature / high-pressure refrigerant vapor compressed by the compressor 42 is condensed in the outdoor heat exchanger 48. Gathered in the receiver 46 and then routed to the second refrigerant conduit 51. Air is expanded in the low-temperature drying expansion valve 52 and evaporated in the evaporator 53, and the air sucked into the circulation fan 57a is cooled by the evaporation heat to continuously cool the cooled low-temperature air alternately with the high-temperature drying. (For example, dried persimmons are alternately repeated for 3 hours of high temperature drying and 2 hours of low temperature drying (aging)).

On the other hand, when the high temperature drying and the low temperature drying are alternately and continuously performed at a predetermined cycle as described above, the air which has finished drying in the drying chamber 14 by evaporation of moisture contained in the dry matter contains a large amount of moisture, The air containing a large amount of moisture is absorbed by the endless type absorbent cloth 32 at the same time as the upper part of the drying chamber 14, and then, by the suction force of the circulation fan 57a, to the evaporator 53 and the condenser 44, a damper ( The indoor heat exchanger 45 provided inside or outside of the moisture absorbing cloth 32 when the moisture absorbing cloth 32 is rotated and positioned in the dehumidification chamber 31 by being supplied alone or with outside air by the opening of 72b). ) By depressurizing (drying) the hot air heated by the condensation heat generated when the refrigerant liquid is supercooled in the fan 57b to the outdoor heat exchanger 48, thereby improving dehumidification in the drying chamber 14. , Meanwhile, as above At the time of drying, when the temperature is low, when the outdoor temperature is low, the outdoor air is released into the atmosphere by promoting the evaporation of the refrigerant liquid by the high temperature air, thereby improving the coefficient of performance of the heat pump system, thereby increasing the drying efficiency. will be.

2) Cold Storage Mode

If only the low temperature drying mode operation is continued in the drying mode, the dry items dried in the drying chamber 14 can be stored at a low temperature.

3) Cooling mode

Open the solenoid valves S5, S4 and S7, operate the four-way valve 43 so that the refrigerant flows in the arrow virtual line, and then operate the compressor 42. The high temperature and high pressure compressed by the compressor 42 Refrigerant vapor condenses in the outdoor heat exchanger (48) and then collects in the receiver (46), expands in the expansion valve (56), and then evaporates in the second indoor heat exchanger (55). It cools or produces cold water, and is sucked into the compressor 42 to repeat the above cycle.

4) heating mode

The solenoid valves S7, S4 and S5 are opened, and the 4-way valve 43 is operated so that the refrigerant flows in the solid line of the arrow, and then the compressor 43 is driven. After the refrigerant vapor condenses in the second indoor heat exchanger 55, the cooling / heating place 20 is heated or hot water is generated by the heat of condensation, collected in the receiver 46, and then expanded in the expansion valve 47. It evaporates in the outdoor heat exchanger 48 and is sucked into the compressor 42 to repeat the cycle.

5 is a cross-sectional view of a second embodiment of the present invention, and FIG. 6 is a configuration diagram of a heat pump system of a second embodiment of the present invention, in which the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted. The operation mode also describes additional operations.

In the second embodiment of the present invention, the hot water heating circuit 60 is additionally installed in the first embodiment, and the hot water heating circuit 60 is a compressor of the refrigerant conduit 49 of the heat pump system 40. A bypass conduit 61 having a condenser 62 is connected between the 42 and 4-way valves 43, and an endothermic heat exchanger 63 is installed in the condenser 62, and the refrigerant conduit 49 Solenoid valves S1 and S2 are provided at the discharge port of the compressor 42 and the inlet of the bypass conduit 61 to heat the heat medium in the endothermic heat exchanger 63 to circulate the pump 65. Fan coil unit, radiator, and floor-embedded heat dissipation installed in the cooling / heating place 20 when the hot water is heated as described above. The solenoid valve S8 provided at the inlet of the radiant heat generating means 66 such as a coil is opened to provide heating. It is.

A further mode of operation of the second embodiment of the present invention will now be described.

1) Hot water mode

When the solenoid valve S2 is opened, the refrigerant vapor of the high temperature and high pressure compressed by the compressor 42 heats the heat medium circulating in the endothermic heat exchanger 63 while condensing in the condenser 62, and the heated heat medium is a low temperature water tank. While circulating (67), hot water for bathing and hot water is heated, and if necessary, radiant heat is circulated to radiant heat generating means 66 installed in the cooling / heating place 20 at the same time or selectively. It is to be done.

Meanwhile, the refrigerant liquid condensed in the condenser 62 is sucked into the compressor 42 while repeating the cycle while passing through the cooling mode or the heating mode described in the first embodiment, and the hot water mode opens only the solenoid valve S2. If you run it simultaneously with other modes, you can always generate hot water.

1 is a cross-sectional view of a first embodiment of the present invention.

2 is a cross-sectional view taken along the line A-A of FIG.

3 is an enlarged view of a hygroscopic fabric of a first embodiment of the present invention;

4 is a configuration diagram of a heat pump system according to a first embodiment of the present invention.

5 is a cross-sectional view of a second embodiment of the present invention.

6 is a configuration diagram of a heat pump system according to a second embodiment of the present invention.

<Description of Major Symbols in Drawing>

10: drying chamber 13: dry air generating chamber 14: drying chamber

15: dry tray 20: cooling and heating place 30: dehumidification means

31 dehumidification chamber 40 heat pump system 44 condenser

45: indoor heat exchanger 48: outdoor heat exchanger 53: evaporator

55: second indoor heat exchanger 60: hot water heating circuit

Claims (4)

A dry air generating chamber is formed on one inner side of the main body, and a drying chamber is formed on the other side of the dry air generating chamber to form a drying tray into which a dry tray is placed, and a dehumidifying chamber is formed on the upper part of the main body to form a drying chamber. An outdoor heat exchanger having an endless moisture absorbent cloth installed therein so as to be rotated by a driving means, an evaporator, a condenser and a circulation fan in the dry air generating chamber, and an outside air exposed to the dehumidifying air outlet side of the dehumidifying chamber, Dryer and cooling / heating device composed of a heat pump system in which an indoor heat exchanger is installed on one side of the endless moisture absorbent fabric of the dehumidification chamber and a second indoor heat exchanger is installed in a cooling / heating place. The heat pump system of claim 1, wherein the heat pump system connects a basic refrigeration cycle to a compressor, a four-way valve, a condenser, an indoor heat exchanger, a receiver, an expansion valve, and an outdoor heat exchanger in order with a refrigerant conduit, and connects the four-way valve and the compressor. And a second conduit connected to the receiver and the refrigerant suction conduit to install a low temperature drying expansion valve and an evaporator, and a bypass conduit bypassing the condenser and an indoor heat exchanger. Dryer and cooling / heating device by connecting a second indoor heat exchanger and a second expansion valve to the bypass conduit The dryer and cooling / heating device according to claim 1 or 2, wherein a hot water heating circuit is provided between the compressor and the 4-way valve of the refrigerant conduit of the heat pump system. 4. The hot water heating circuit according to claim 3, wherein the hot water heating circuit connects a bypass conduit provided with a condenser between the compressor and the four-way valve of the refrigerant conduit of the heat pump system, and installs an endothermic heat exchanger in the condenser and is heated in the endothermic heat exchanger. Drying and cooling / heating device for circulating the heat medium in the radiant heat generating means and the storage tank

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