KR101226451B1

KR101226451B1 - Bidirectional dehumidifying/drying system of large warehouse

Info

Publication number: KR101226451B1
Application number: KR1020100089904A
Authority: KR
Inventors: 황원용
Original assignee: (주)거성에너지
Priority date: 2010-09-14
Filing date: 2010-09-14
Publication date: 2013-02-07
Also published as: KR20120028415A

Abstract

And a dehumidifying drying apparatus disposed on the ceiling of the large warehouse and blowing the hot air dehumidified in the drying chamber, wherein the drying chamber is partitioned by shutters extending upward from the bottom of the drying chamber to the ceiling. Including a first and second drying chamber, the ceiling is provided with a duct for installing the dehumidification drying apparatus, the duct is provided with an inlet for the air in the first and second drying chambers, and the high-temperature air dehumidified in the dehumidifying drying apparatus The outlet port is discharged to the two drying chambers are connected, the dehumidification drying apparatus includes a first and second dehumidifying drying apparatus for blowing the hot air dehumidified in the first and second drying chambers in both directions, the first and second dehumidifying drying apparatus, Dehumidifying unit including the evaporator of the refrigeration cycle to dehumidify the air of the first and second drying chambers introduced through the inlet port, and a separate heater for heating and drying the air dehumidified by the dehumidifying unit Or a drying unit including an indoor condenser of a refrigeration cycle, and a blowing unit including a driving motor and a blowing fan rotated by the driving motor to discharge the air introduced through the inlet to the outlet through the dehumidifying unit and the drying unit. Disclosed is a bi-directional dehumidification drying apparatus for a large warehouse.

Description

Bidirectional dehumidifying / drying system of large warehouse}

The present invention relates to a dehumidification drying system for dehumidifying and drying agricultural and marine products, and more particularly, to a two-way dehumidification drying system of a large warehouse capable of dehumidifying and drying the large warehouse in both directions.

Generally, some agricultural and marine products are shipped after harvesting for long-term storage. These agricultural products include peppers, ferns, tobacco, mushrooms, herbs, ginseng, and marine products include squid, flounder, anchovy and seaweed.

Conventionally, for drying the agricultural and marine products, natural drying using simply sunlight and wind was used. This natural drying takes a very long time, low productivity, requires a large space, and can not be carried out on rainy or humid days, and as the producer has to turn over and dry over time, causing trouble and inconvenience There were disadvantages.

Therefore, recently, a dehumidification drying apparatus capable of artificially dehumidifying the agricultural and marine products is used. The dehumidifying and drying apparatus blows hot air dehumidified to agricultural products placed on a drying table in a drying chamber to dry the agricultural and marine products.

However, when the agricultural and marine products are dehumidified using a dehumidification drying apparatus after loading agricultural and marine products in a large warehouse, there is a limit to drying all the agricultural and marine products placed on the drying rack due to the large area of the large warehouse.

That is, the conventional dehumidification drying apparatus has a problem that it is not possible to dry all the agricultural products arranged in the drying rack of the large warehouse because the air to dehumidify and dry the agricultural products in one direction.

The present invention is to solve the above problems, an object of the present invention is to provide a two-way dehumidification drying system of a large warehouse that can easily dry all agricultural and marine products even if the agricultural and marine products are placed in a large warehouse.

The bi-directional dehumidification drying system of a large warehouse of the present invention for achieving the above object includes a drying chamber of a large warehouse and a dehumidifying drying apparatus arranged on the ceiling of the large warehouse to blow hot air dehumidified in the drying chamber. ,

The drying chamber includes first and second drying chambers partitioned by shutters extending upward from the bottom of the drying chamber to the ceiling,

The ceiling is provided with a duct is installed the dehumidification drying device,

The duct is connected to an inlet through which air in the first and second drying chambers is introduced, and an outlet through which hot air dehumidified by the dehumidifying drying apparatus is discharged to the first and second drying chambers.

The dehumidifying drying apparatus includes a first and second dehumidifying drying apparatus for blowing the hot air dehumidified in the first and second drying chambers in both directions,

The first and second dehumidifying drying apparatus may include a dehumidifying unit for dehumidifying air in the first and second drying chambers introduced through the inlet, a drying unit for heating and drying the air dehumidified by the dehumidifying unit, and the inlet And a blower configured to allow the air introduced through the air to flow through the dehumidifying unit and the drying unit to the outlet.

The dehumidifying unit includes an evaporator of a refrigeration cycle,

The drying unit includes an indoor condenser or a heater of the refrigeration cycle,

The blower includes a drive motor and a blower fan rotated by the drive motor.

The ceiling is provided with a bypass duct for guiding the air of the drying chamber introduced through the inlet between the drying unit and the blowing unit,

The bypass duct is provided with a damper that is opened and closed to adjust the amount of air introduced into the bypass duct.

The drying chamber is equipped with a temperature sensor and a humidity sensor,

The damper is driven by an actuator,

The temperature sensor, the humidity sensor and the actuator is electrically connected to the control unit,

The controller controls the operation of the actuator according to the result value detected by the humidity sensor and the temperature sensor.

The control unit is further electrically connected to the drive motor,

The control unit operates one of the driving motors of the first and second dehumidifying drying apparatuses when one of the first and second drying chambers blows the hot air selectively dehumidified.

As described above, the bi-directional dehumidifying drying apparatus of the large-sized warehouse of the present invention partitions the first and second drying chambers by shutters, and includes first and second dehumidifying drying apparatuses that blow hot air dehumidified to each drying chamber. As a result, there is an effect that can easily dry the agricultural and marine products of a large warehouse.

1 is a schematic diagram showing a bi-directional dehumidification drying system of a large warehouse of the present invention.
2 is a schematic view showing the dehumidifying drying apparatus shown in FIG.
Figure 3 is a block diagram illustrating the operation of the bi-directional dehumidification drying system of a large warehouse of the present invention.
Figure 4 is a view showing an embodiment of a dehumidifying drying apparatus of the bidirectional dehumidification drying system of the present invention.
5 is a view showing this embodiment of the dehumidifying drying apparatus of the bidirectional dehumidifying drying system of the present invention.
6 is a view showing a third embodiment of a dehumidifying drying apparatus of the bidirectional dehumidifying drying system of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a two-way dehumidification drying system of a large warehouse of the present invention.

As shown in Figure 1, the bidirectional dehumidification drying system of the present invention is applied to a large warehouse (1). Here, the large warehouse 1 refers to a normal warehouse having a large area. The large warehouse 1 has a ceiling in which a drying chamber 10 in which a plurality of drying racks 3 on which agricultural and marine products are mounted is arranged, and a dehumidifying drying apparatus 30 for blowing high temperature air dehumidified by the drying chamber 10. It is divided into 20. That is, the bidirectional dehumidification drying system of the present invention includes a drying chamber 10 of the large warehouse 1 and a dehumidifying drying apparatus 30 for blowing air dehumidified to the drying chamber 10.

Specifically. As described above, the drying chamber 10 includes a plurality of drying racks 3 through which the agricultural and marine products are mounted. In the center of the drying chamber 10, a shutter 15 for dividing the drying chamber 10 from side to side is arranged. The shutter 15 is disposed in the center of the drying chamber 10 to divide the drying chamber 10 into the first drying chamber 11 and the second drying chamber 13, from the bottom surface of the drying chamber 10 to the ceiling 20. Extends upwards. Here, only one drying chamber may be used first in the drying chamber 10 according to the amount of agricultural and aquatic products to be placed in the drying rack 3 of the drying chamber 10, and different agricultural and marine products are dried in the first and second drying chambers 11 and 13, respectively. It can also be mounted on (3) and used.

In the interior of the ceiling 20, a duct 21 in which the dehumidifying drying apparatus 30 for converting the air in the first and second drying chambers 11 and 13 into the dehumidified high temperature air is formed. The duct 21 is connected to the inlet 23 formed in the ceiling 20 so that the air of the first and second drying chambers 11 and 13 partitioned by the shutter 15 is introduced, and to the dehumidifying drying apparatus 30. It is connected to the outlet 25 formed to guide the hot air dehumidified by the first and second drying chambers (11, 13). The inlet 23 is formed above the shutter 15 that partitions the first and second drying chambers 11 and 13.

The dehumidifying drying apparatus 30 is disposed in the duct 21 inside the ceiling 20 as described above. As shown in FIG. 2, the dehumidifying and drying apparatus 30 includes first and second dehumidifying and drying apparatuses 40 and 50 respectively disposed above the first and second drying chambers 11 and 13 partitioned by the shutter 15. ). In this case, since the first and second dehumidifying and drying apparatuses 40 and 50 have the same components, only the first dehumidifying and drying apparatus 40 will be described in detail below, and the description of the second dehumidifying and drying apparatus 50 will be omitted. .

The first dehumidifying drying apparatus 40 includes a dehumidifying part 41 for dehumidifying air in the drying chamber 10 introduced into the duct 21 through the inlet 23, and dehumidified by the dehumidifying part 41. The drying unit 43 for heating and drying the air, and the blowing unit 45 for letting out the air introduced through the inlet 23 through the dehumidifying unit 41 and the drying unit 43 to the outlet 25 Include.

Here, the dehumidifying unit 41 uses a conventional evaporator of a refrigerating cycle, and the air in the drying chamber 10 passing through the evaporator is condensed and dehumidified. At this time, the latent heat emitted by the air is absorbed by the refrigerant of the evaporator.

And the drying unit 43 is a conventional indoor condenser or a separate heater of the refrigeration cycle is used, the air passing through the indoor condenser is heated by the heat of condensation of the indoor condenser. If the separate heater can dry by heating the dehumidified air passing through the dehumidifying unit 41, such as an electric heater, other heating devices may be installed.

The blower 45 serves to discharge the air introduced through the inlet 23 through the dehumidifying unit 41 and the drying unit 43 to the outlet 25 as described above. The blower 45 includes a drive motor 46 and a blower fan 47 that is rotated by the operation of the drive motor 46, wherein the drive motor 46 is a bidirectional dehumidification drying system of the present invention. It is controlled by the control unit 60 (see Fig. 3) to control the overall.

As shown in FIGS. 1 and 3, the dehumidifying and drying apparatus 30 may selectively adjust the angle at which the dehumidified hot air discharged to the outlet 25 by the blower 45 is guided. It further comprises a blade 35. The plurality of blades 35 are installed in the drying chamber 10 as shown. Although not shown specifically in the drawings, the plurality of blades 35 are provided to be rotated by the first actuator 36 to adjust the angle at which the dehumidified hot air is guided. The first actuator 36 is controlled by the controller 60.

In addition, in the present invention, the ceiling 20 of the large warehouse 1 bypasses a part of the air of the drying chamber 10 introduced through the inlet 23 between the blower 45 and the dryer 43. The duct 31 is further provided. The bypass duct 31 is provided with a damper 33 for adjusting the amount of air flowing into the bypass duct 31.

The damper 33 is driven by the second actuator 34 controlled by the control unit 60. At this time, the control unit 60 operates the second actuator 34 according to the result value detected by the temperature sensor 17 and the humidity sensor 18 installed in the drying chamber 10. To this end, the temperature sensor 17 and the humidity sensor 18 are electrically connected to the control unit 60.

For example, when the result value detected by the temperature sensor 17 and the humidity sensor 18 installed inside the drying chamber 10 is higher than the set value, the bypass duct 31 is closed to close the inlet 23. When the air of the drying chamber 10 introduced is not introduced into the bypass duct 31 and the result value detected by the temperature sensor 17 and the humidity sensor 18 is close to the set value, the damper 33 The opening degree is adjusted to guide a part of the air of the drying chamber 10 introduced through the inlet 23 to the bypass duct 31 so as to reduce the amount of dehumidified dry air to flow out to the drying chamber 10.

On the other hand, Figure 4 shows an embodiment of a dehumidifying drying apparatus of the bidirectional dehumidification drying system of the present invention.

As shown in Figure 4, the dehumidifying unit (41, 51) of the dehumidifying drying apparatus 30 according to an embodiment of the present invention is implemented as the evaporator (140,150) of the conventional refrigeration cycle, the evaporator of the first And a first evaporator 140 and a second evaporator 150 disposed one by one in the duct 21 arranged above the two drying chambers 11 and 13. The compressor 110, the condenser 120, and the expansion valve 130 are installed outside the large warehouse 1.

In an embodiment of the present invention, in order to dry the agricultural and aquatic products of the drying table 3 arranged in the drying chamber 10 by a cooling dehumidification method, the compressor 110 that first compresses the refrigerant to a high temperature and high pressure discharges the refrigerant to the condenser 120. The condenser 120 liquefies the refrigerant flowing from the compressor 110 into the refrigerant liquid of high temperature and high pressure and flows it into the expansion valve 130. The expansion valve 130 rapidly expands the refrigerant liquid of high temperature and high pressure at the outlet side. In order to facilitate the conversion to the refrigerant gas, the refrigerant flows out into the first evaporator 140 and the second evaporator 150.

A first three-way valve 160 is provided between the expansion valve 130 and the first and second evaporators 140 and 150, and the first three-way valve 160 has a low temperature and low pressure discharged from the expansion valve 130. The refrigerant liquid serves to selectively move to the first evaporator 140 and the second evaporator 150. Here, the first three-way valve 160 is controlled by the controller 60.

For example, the drying chamber 10 may use only one drying chamber, that is, the first drying chamber 11 according to the amount of agricultural and marine products placed inside the drying chamber 10, in which case the first three-way valve ( Only the flow path connected to the first evaporator 140 is opened by the 160 and the flow path connected to the second evaporator 150 is closed.

In the above process, the refrigerant introduced into the first and second evaporators 140 and 150 is converted into a cold gas at a low temperature, and when the air introduced from the drying chamber 10 passes through the first and second evaporators 140 and 150, the air passes. It will remove the moisture contained in.

The first and second evaporators 140 and 150 allow the refrigerant gas of low temperature and low pressure to flow back to the compressor.

Figure 5 shows this embodiment of a dehumidifying drying apparatus of the bidirectional dehumidifying drying system of the present invention.

As shown in Figure 5, the dehumidifying unit (41, 51) of the dehumidifying drying apparatus according to this embodiment of the present invention is implemented as an evaporator of a conventional refrigeration cycle, the drying unit 43, 53 is the indoor of the refrigeration cycle Implemented as a condenser. At this time, the evaporator includes a first evaporator 260 and a second evaporator 270 which are respectively disposed in the duct 21 disposed above the first and second drying chambers 11 and 13, and the indoor condenser includes a duct ( And a first indoor condenser 220 and a second indoor condenser 230 disposed one by one. The compressor 210, the outdoor condenser 240, and the expansion valve 250 are installed outside the large warehouse 1.

In this embodiment of the present invention, in order to dry the agricultural and aquatic products of the drying table 3 arranged in the drying chamber 10 by a cooling dehumidification method, the compressor 210 which first compresses the refrigerant to high temperature and high pressure is the first and second indoor condensers 220 and 230. Flow out the refrigerant. In this case, a first three-way valve 280 is mounted between the compressor 210 and the first and second indoor condensers 220 and 230, and the first three-way valve 280 selectively removes a refrigerant gas of high temperature and high pressure. It serves to move to the first and second indoor condenser (220,230). The first three-way valve 280 is controlled by the controller 60.

The refrigerant introduced into the first and second indoor condensers 220 and 230 is liquefied into a refrigerant liquid of high temperature and high pressure. In this process, the first and second indoor condensers 220 and 230 release heat to the outside and thus the first and second evaporators 260 and 270. Heat the dehumidified air passed through.

At this time, the drying chamber 10 may use only one drying chamber, that is, the first drying chamber 11 according to the amount of agricultural and marine products mounted in the drying chamber 10, in this case, the first three-way valve 270. Only the flow path connected to the first indoor condenser 220 is opened and the flow path connected to the second indoor condenser 230 is closed.

In addition, the first and second indoor condensers 220 and 230 flow the refrigerant liquid of high temperature and high pressure into the expansion valve 250, and the expansion valve 250 rapidly expands the refrigerant liquid of high temperature and high pressure at the outlet side and converts it into the refrigerant gas. After the easy to flow out to the first evaporator (260,270) and the second evaporator.

At this time, a bypass flow path is formed between the first and second indoor condensers 220 and 230 and the expansion valve 250, and when the first and second indoor condensers 220 and 230 emit sufficient heat, the large warehouse is provided. An outdoor condenser 240 for dissipating heat to the outside of (1) may be installed.

A second three-way valve 290 is provided between the expansion valve 250 and the first and second evaporators 260 and 270 to supply the low temperature low pressure refrigerant liquid flowing out of the expansion valve 250 to the first evaporator 260 and the second. It serves to selectively move to the evaporator 270.

In this case, the drying chamber 10 may use only one drying chamber, for example, the first drying chamber 11 as described above. In this case, the drying chamber 10 may be connected to the first evaporator 260 by the second three-way valve 290. Only the flow path connected is opened and the flow path connected to the second evaporator 270 is closed.

In the above process, the refrigerant introduced into the first and second evaporators 260 and 270 is converted into a low temperature cold gas form, and when the air introduced from the drying chamber passes through the first and second evaporators 260 and 270, the air is contained in the air. It will remove moisture.

The first and second evaporators 260 and 270 flow out the refrigerant gas of low temperature and low pressure back to the compressor 210.

6 shows a third embodiment of a dehumidifying drying apparatus of the bidirectional dehumidifying drying system of the present invention.

As shown in Figure 6, the dehumidifying unit (41, 51) of the dehumidifying drying apparatus according to the third embodiment of the present invention is implemented as an evaporator of a conventional refrigeration cycle, the evaporator of the first and second drying chamber (11, 13, the first evaporator 340 and the second evaporator 380 are disposed one by one in the duct 21 disposed above. The first evaporator 340 forms a refrigeration cycle with the first compressor 310, the first condenser 320, and the first expansion valve 330 installed outside the large warehouse 1, and the second evaporator 380. The second compressor 350, the second condenser 360, and the second expansion valve 370 that is installed on the outside of the large warehouse (1) forms a refrigeration cycle. That is, the first and second evaporators 340 and 380 each form a separate refrigeration cycle.

In this case, the refrigerant introduced into the first and second evaporators 340 and 380 is converted into a cold gas at a low temperature, and the air introduced from the drying chamber 10 passes through the first and second evaporators 340 and 380. The moisture contained is removed.

1: large warehouse 3: drying rack
10: drying chamber 11: first drying chamber
13: 2nd drying room 15: shutter
17: temperature sensor 18: humidity sensor
20: ceiling 21: duct
23: inlet 25: outlet
31: bypass duct 33: damper
34: second actuator 35: blade
36: first actuator 40,50: first and second dehumidification drying device
41,51 Dehumidifier 43,53 Dryer
45,55: Blower 46,56: Drive motor
47,57: blower fan 60: control unit

Claims

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And a dehumidification drying apparatus 30 disposed on the drying chamber 10 of the large warehouse 1 and the ceiling 20 of the large warehouse 10 to blow hot air dehumidified in the drying chamber 10,
The drying chamber 10 includes first and second drying chambers 11 and 13 partitioned by shutters 15 extending upward from the bottom of the drying chamber 10 to the ceiling 20.
The ceiling 20 is provided with a duct 21 in which the dehumidifying and drying apparatus 30 is installed, and the inlet 23 through which air from the first and second drying chambers 11 and 13 flows into the duct 21 is provided. And, the outlet 25 for flowing out the hot air dehumidified in the dehumidifying drying device 30 to the first and second drying chambers (11, 13) is connected,
The dehumidifying drying apparatus 30 includes first and second dehumidifying drying apparatuses 40 and 50 for blowing the hot air dehumidified to the first and second drying chambers 11 and 13 in both directions.
The first and second dehumidifying drying apparatuses 40 and 50 may include dehumidifying units 41 and 51 for dehumidifying air in the first and second drying chambers 11 and 13 introduced through the inlet 23. Drying units (43, 53) for heating and drying the air dehumidified by the dehumidifying unit (41, 51) and the air introduced through the inlet port (23) and the dehumidifying unit (41, 51) and drying unit (43) And a blower part (45, 55) for letting out the outlet (25) through the 53,
The dehumidifiers 41 and 51 include evaporators 140, 150, 260, 270, 340 and 380 of the refrigerating cycle, and the drying units 43 and 53 include indoor condensers 220 and 230 or heaters of the refrigerating cycle, and the blowers 45 and 55 In the large warehouse bi-directional dehumidification drying system including a drive motor (46, 56), and blowing fans (47, 57) rotated by the drive motor (46, 56),
The ceiling 20 has a bypass duct 31 for guiding the air of the drying chamber 10 introduced through the inlet 23 between the drying units 43 and 53 and the blowers 45 and 55. Is formed,
The bypass duct 31 is a large-sized, two-way dehumidification drying system, characterized in that the damper 33 is opened and closed to adjust the amount of air flowing into the bypass duct (31).

The method of claim 3,
The drying chamber 10 is equipped with a temperature sensor 17 and the humidity sensor 18,
The damper 33 is driven by an actuator 34,
The temperature sensor 17, the humidity sensor 18 and the actuator 34 is electrically connected to the control unit 60,
The control unit 60 controls the operation of the actuator 34 according to the result value detected by the humidity sensor (18) and the temperature sensor (17).

5. The method of claim 4,
The controller 60 is further electrically connected to the drive motors 46 and 56,
The control unit 60 blows one of the driving motors 46 and 56 of the first and second dehumidifying drying apparatuses when one of the first and second drying chambers 11 and 13 blows the hot air which is selectively dehumidified. Bi-directional dehumidification drying device of a large warehouse, characterized in that for operating.