CN213756571U

CN213756571U - Drying system with dual purposes

Info

Publication number: CN213756571U
Application number: CN202022118134.7U
Authority: CN
Inventors: 徐枝泉
Original assignee: Guangdong Bilang Energy Saving Equipment Co ltd
Current assignee: Guangdong Bilang Energy Saving Equipment Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-23
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a dual-purpose drying system of a tractor, be equipped with first air intake on first stoving pond front end, be equipped with the second air intake on second stoving pond front end, be equipped with the air supply wind channel that can communicate first air intake and second air intake outside first stoving pond and second stoving pond, be equipped with the third air inlet in the middle of the air supply wind channel, the third air inlet is connected with the air outlet of setting up the outside drying-machine in air supply wind channel, be equipped with the switching mechanism that enables to send into first air intake or second air intake from the wind that the drying-machine air outlet sent out in air supply wind channel, it is equipped with the air-out notch respectively to dry pond rear end and second stoving pond rear end at first stoving. The utility model discloses simple structure dries two flood-drying ponds respectively through a drying-machine, can carry out the hot air blast to the prickly ash in another flood-drying pond when heating and drying in one of them stoving pond and handle to can effectively shorten prickly ash drying time, improve drying efficiency's a quick-witted dual-purpose drying system.

Description

Drying system with dual purposes

Technical Field

The utility model relates to a drying equipment field, concretely relates to a drying system of a tractor serves two-purpose.

Background

The pricklyash tree is an important economic forest in China, and the annual planting area exceeds 2500 ten thousand mu. The moisture content of fresh and wet pepper fruits exceeds 10%, and the fresh fruits are easy to oxidize and discolor at normal temperature and difficult to store for a long time. At present, the post-harvest treatment of the pepper is mainly based on the traditional production mode of natural airing, and the quality grade of the pepper product is easily reduced due to the influence of weather factors.

The existing drying device is adopted to dry the peppers, the peppers are required to be loaded in a torrefaction tank firstly, the pepper charging time is probably four to six hours, the blowing time is six to eight hours before the peppers are baked in the early stage, and the cold air is blown after the peppers are discharged from the furnace and is two to four hours. After the front blowing of cold air is finished, the pepper can be dried, the required time is long, and the drying efficiency is relatively low.

Therefore, the existing drying system is to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide a simple structure, can dry to two flood drying ponds respectively through a drying-machine, blow cold wind in earlier stage to the prickly ash and handle in another flood drying pond when can heat to dry in one of them stoving pond to can effectively shorten prickly ash drying time, improve drying efficiency's a dual-purpose drying system of a machine.

In order to achieve the above purpose, the utility model adopts the following scheme:

a dual-purpose drying system comprises a first drying pool and a second drying pool which are arranged at intervals, wherein a first air inlet is formed in the front end of the first drying pool, a second air inlet is formed in the front end of the second drying pool, an air supply air duct capable of communicating the first air inlet with the second air inlet is formed outside the first drying pool and the second drying pool, a third air inlet is formed in the middle of the air supply air duct and connected with an air outlet of a dryer arranged outside the air supply air duct, a switching mechanism capable of enabling air sent out from the air outlet of the dryer to be sent into the first air inlet or/and the second air inlet is arranged in the air supply air duct, and air outlet notches are formed in the rear end of the first drying pool and the rear end of the second drying pool respectively.

As the utility model discloses another kind of improvement of a dual-purpose drying system of a tractor, switching mechanism including setting up the deep bead in the air supply wind channel be equipped with in the air supply wind channel and order about thereby the deep bead removes and makes first air intake close or the second air intake close or make the wind flow to the actuating mechanism of first air intake and second air intake simultaneously.

As another improvement of the dual-purpose drying system of the utility model, the wind shield is a block, the width of the wind shield is larger than the width between the front and back inner walls of the wind supply duct, the driving mechanism comprises a first track arranged on one side of the wind supply duct close to the first wind inlet and the second wind inlet, a gap for facilitating the rotation of the wind shield is arranged between the first track and the outer wall of the front end of the first drying pool and the outer wall of the front end of the second drying pool, a second track is arranged on one side of the wind supply duct close to the dryer, a first slide block capable of sliding back and forth relative to the first track is arranged on the first track, a connecting column is arranged on the first slide block, a abdicating groove is arranged on the lower end face of the rear side of the wind shield, the connecting column is movably arranged in the abdicating groove, a rack is arranged on the second track, a gear is arranged on the lower end face of the front side of the wind shield, the gear is connected with a motor arranged on the lower end of the wind shield, and the gear is meshed with the rack.

As the utility model discloses a dual-purpose drying system's of a tractor another kind improves, the deep bead be one the width between the inner wall around the width of deep bead equals the air supply wind channel, actuating mechanism includes along length direction is in the lead screw of the intermediate position in air supply wind channel, lead screw one end is connected with the lead screw motor that sets up in air supply wind channel one end deep bead center department is equipped with the lead screw cover, the lead screw cover connects soon the lead screw.

As the utility model discloses a dual-purpose drying system's of a tractor another kind improves, the deep bead be two, the articulated air supply wind channel that is close to first air intake and second air intake one side of deep bead rear side is on, actuating mechanism is including setting up the terminal surface is equipped with the gyro wheel under the deep bead front side, the gyro wheel is in with the setting driving motor on the deep bead is connected.

As the utility model discloses another kind of improvement of a dual-purpose drying system of a tractor serves, be equipped with air supply fan on first air intake and the second air intake respectively.

As another improvement of the dual-purpose drying system of the utility model, the drying machine comprises a machine shell, and is characterized in that: the casing middle part is equipped with the baffle be equipped with evaporimeter and a plurality of compressor in the casing of baffle one side be equipped with cold wind export on the casing and the corresponding position of evaporimeter be equipped with first drying-machine air intake on the casing between baffle and the cold wind export be equipped with the condenser in the casing of baffle opposite side be equipped with hot air exitus on the casing and the corresponding position of condenser be equipped with second drying-machine air intake on the casing between baffle and the hot air exitus, it is a plurality of the play liquid end of compressor respectively through first connecting tube with the feed liquor end of condenser is connected, the play liquid end of condenser is connected through the feed liquor end of second connecting tube with the evaporimeter, every play liquid end of evaporimeter is connected through the feed liquor end of third connecting tube with a compressor respectively.

As another improvement of the dual-purpose drying system of the utility model, a throttling device is arranged on the second connecting conduit.

As another improvement of the dual-purpose drying system of the utility model, a hot air outlet is provided with an air supply pipeline which is internally provided with a first fan, and a second fan is arranged in the cold air outlet.

As the utility model discloses another kind of improvement of a dual-purpose drying system of a tractor be equipped with the fan sensor in the casing be equipped with the controller on the casing outer wall, the fan sensor is connected with the controller, first fan, second fan, compressor are connected with the controller respectively.

To sum up, the utility model discloses for its beneficial effect of prior art is: one, the utility model discloses a host computer generates heat, can supply two roast ponds respectively, and the investment is energy-conserving 40%, can satisfy wherein roast pond heating on one side, and prickly ash is deposited in another roast pond, practices thrift greatly and parks prickly ash and blows this time of cold wind to improve drying efficiency greatly. Second, be equipped with the fan in the drying-machine, after detecting fan work production wind, restart compressor effectively protects the compressor, the utility model discloses drying system can sense the whole orbit of machine automatically, effectively reduces the accident rate of machine, increase of service life, and efficiency effectively improves 60% than the machine that drags one. Three, the utility model discloses well two drying-machine sets can switch wantonly, also can use simultaneously, and the high-usage.

Drawings

Fig. 1 is a schematic view of the first air inlet of the present invention when closed.

Fig. 2 is a schematic diagram of the working process of the switching mechanism of the present invention.

Fig. 3 is a schematic view of the second air inlet of the present invention when it is closed.

Fig. 4 is a schematic view of a second embodiment of the switching mechanism of the present invention.

Fig. 5 is a schematic view of a second embodiment of the switching mechanism of the present invention.

Fig. 6 is a schematic view of the utility model dryer.

In the figure: 1. a first drying tank; 2. a second drying pool; 3. a first air inlet; 4. a second air inlet; 5. an air supply duct; 6. a third air inlet; 7. a dryer; 8. a switching mechanism; 9. an air outlet notch; 10. an air supply fan; 11. a throttling device; 12. an air supply duct; 13. a first fan; 14. a second fan; 71. a housing; 72. a partition plate; 73. an evaporator; 74. a first dryer air inlet; 75. a compressor; 76. a cold air outlet; 77. a condenser; 78. a hot air outlet; 79. a first connecting conduit; 710. a second connecting conduit; 711. a third connecting conduit; 712. an air inlet of the second dryer; 81. a wind deflector; 84. a second track; 85. a first slider; 86. connecting columns; 87. a yielding groove; 88. a rack; 89. a gear; 810. and a screw rod.

Detailed Description

The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-5, a dual-purpose drying system comprises a first drying tank 1 and a second drying tank 2 arranged at intervals, a first air inlet 3 is arranged at the front end of the first drying pool 1, a second air inlet 4 is arranged at the front end of the second drying pool 2, an air supply duct 5 which can be communicated with a first air inlet 3 and a second air inlet 4 is arranged outside the first drying pool 1 and the second drying pool 2, a third air inlet 6 is arranged in the middle of the air supply duct 5, the third air inlet 6 is connected with an air outlet of a dryer 7 arranged outside the air supply duct 5, a switching mechanism 8 which can lead the air sent out from the air outlet of the dryer 7 to be sent into the first air inlet 3 or/and the second air inlet 4 is arranged in the air supply duct 5, air outlet notches 9 are respectively formed in the rear end of the first drying pool 1 and the rear end of the second drying pool 2.

The utility model discloses in can make through switching mechanism 8 that the hot-blast first stoving pond 1 and the second stoving pond 2 of sending into respectively of sending out from the 7 air outlets of drying-machine, also can be simultaneously to carrying hot-blastly in first stoving pond 1 and the second stoving pond 2 simultaneously.

In the practical application process, the charging time of the peppers is about four to six hours, the blowing time of the peppers before the early-stage baking is six to eight hours, and the cold air blowing is carried out after the peppers are taken out of the furnace and is two to four hours. Therefore, can load the prickly ash earlier in first stoving pond 1, blow cold wind back in earlier stage, start the drying-machine work, and adjust switching mechanism 8 and make the hot-blast first stoving pond 1 of sending into of sending out from the 7 air outlets of drying-machine dry, when drying, to the second stoving pond 2 built-in dress of waiting to dry the prickly ash, then carry out the processing of blowing before, can practice thrift the time of blowing cold wind greatly like this, can realize continuous processing, improve production efficiency.

The utility model discloses in switching mechanism 8 including setting up deep bead 81 in air supply wind channel 5 be equipped with in the air supply wind channel 5 and order about thereby deep bead 81 removes to make first air intake 3 close or second air intake 4 closes or make the wind flow to the actuating mechanism of first air intake 3 and second air intake 4 simultaneously.

In the first embodiment of the driving mechanism of the present invention, the wind deflector 81 is a single wind deflector 81, the width of the wind deflector 81 is greater than the width between the front and rear inner walls of the wind supply duct 5, the driving mechanism includes a first rail disposed on the side of the wind supply duct 5 near the first wind inlet 3 and the second wind inlet 4, a gap is disposed between the first rail and the outer wall of the front end of the first drying pool 1 and the outer wall of the front end of the second drying pool 2 for facilitating the rotation of the wind deflector 81, a second rail 84 is disposed on the side of the wind supply duct 5 near the dryer 7, a first slider 85 capable of sliding back and forth relative to the first rail is disposed on the first rail, a connecting post 86 is disposed on the first slider 85, a receding groove 87 is disposed on the lower end surface of the rear side of the wind deflector 81, the connecting post 86 is movably disposed in the receding groove 87, a rack 88 is disposed on the second rail 84, a gear 89 is arranged on the lower end face of the front side of the wind shield 81, the gear 89 is connected with a motor arranged on the lower end of the wind shield 81, and the gear 89 is meshed with the rack 88.

The utility model discloses in because the width of deep bead 81 is greater than the width between the inner wall around the air supply wind channel 5, deep bead 81 can seal air supply wind channel 5 under the state of slope to make deep bead 81 can regard as the aviation baffle to use simultaneously. The utility model discloses when needing to switch the air feed, order about gear revolve through the motor to drive deep bead 81 and remove, because the width of deep bead 81 is greater than the width between the inner wall around the air supply wind channel 5, remove process deep bead 81 and can take place to rotate, rotate process deep bead 81 one side and can remove to the groove 87 that steps down, thereby make the incline direction of deep bead 81 change.

The utility model discloses well first orbital mid point and the mid point line perpendicular to drying-machine 7's of second track 84 air outlet. The first track is shorter in length than the second track 84. Two ends of the first rail are respectively provided with a head capable of preventing the first sliding block 85 from separating.

The utility model discloses in actuating mechanism's second kind embodiment, deep bead 81 be one deep bead 81 width between the inner wall equals air supply wind channel 5 front and back width, actuating mechanism includes along length direction is in the lead screw 810 that the intermediate position in air supply wind channel 5 set up, lead screw 810 one end is connected with the lead screw motor that sets up in air supply wind channel 5 one end deep bead 81 center department is equipped with the lead screw cover, the lead screw cover connects soon lead screw 810. The screw 810 is driven to rotate by the screw motor, so that the wind shield 81 moves in the air supply duct 5, and when the wind shield 81 blocks the first air inlet 3, the second air inlet 4 is communicated with the air outlet of the dryer 7. On the contrary, when the wind shield 81 blocks the second wind inlet 4, the first wind inlet 3 is communicated with the wind outlet of the dryer 7.

The utility model discloses in actuating mechanism's third kind embodiment, deep bead 81 be two, the articulated air supply wind channel 5 that is close to first air intake 3 and second air intake 4 one side of deep bead 81 rear side is last, actuating mechanism is including setting up the gyro wheel of terminal surface under the deep bead 81 front side, the gyro wheel is in with the setting driving motor on the deep bead 81 is connected.

The utility model discloses in can remove through driving motor drive gyro wheel to make the relative pin joint of deep bead 81 rotate, thereby realize the switch. The first air inlet 3 and the second air inlet 4 may be opened or closed at the same time.

The utility model discloses in be equipped with air supply fan 10 on first air intake 3 and second air intake 4 respectively. The air supply fan 10 can accelerate the hot air to enter the first air inlet 3 or/and the second air inlet 4 from the air supply duct 5, and the air supply efficiency is improved.

The utility model discloses in drying-machine 7 is including casing 71, its characterized in that: a partition plate 72 is arranged in the middle of the casing 71, an evaporator 73 and a plurality of compressors 75 are arranged in the casing 71 on one side of the partition plate 72, a cold air outlet 76 is arranged at a position corresponding to the evaporator 71 of the casing 71, a first dryer air inlet 74 is arranged on the casing 71 between the partition plate 72 and the cold air outlet 76, a condenser 77 is arranged in the casing 71 on the other side of the partition plate 72, a hot air outlet 78 is arranged at a position corresponding to the condenser 77 of the casing 71, a second dryer air inlet 712 is arranged on the casing 71 between the partition plate 72 and the hot air outlet 78, a plurality of liquid outlet ends of the compressors 75 are respectively connected with a liquid inlet end of the condenser 77 through a first connecting pipe 79, a liquid outlet end of the condenser 77 is connected with a liquid inlet end of the evaporator 73 through a second connecting pipe 710, and each liquid outlet end of the evaporator 73 is respectively connected with a liquid inlet end of one compressor 75 through a third connecting pipe 711, a throttle device 11 is provided on the second connecting conduit 710.

Air can drying-machine is through making its intensification to the refrigerant compression to carry out the heat exchange with the air and dry the material with this, need not to use other chemical raw materials, when having improved drying efficiency, can not discharge harmful tail gas, safety, environmental protection, work efficiency is high.

The utility model discloses be equipped with supply air duct 12 on the hot air outlet 78 be equipped with first fan 13 in the supply air duct 12 be equipped with second fan 14 in the cold wind export 76.

The utility model discloses be equipped with the fan sensor in the casing 71 be equipped with the controller on the casing 71 outer wall, the fan sensor is connected with the controller, first fan 13, second fan 14, compressor 75 are connected with the controller respectively. The utility model discloses be equipped with the fan sensor in the well drying-machine, after detecting fan work production wind, restart the compressor, effectively protect the compressor, the utility model discloses drying system can sense the whole orbit of machine automatically, effectively reduces the accident rate of machine, increase of service life, and efficiency effectively improves 60% than the machine that drags one.

The utility model discloses still protect the coolant liquid storage pot in well drying-machine 7, the feed liquor end of liquid storage pot is connected with the liquid outlet end of evaporimeter 73, the liquid outlet end of liquid storage pot is connected with the feed liquor end of compressor.

The embodiment of the utility model provides a ZW61KA model compressor is chooseed for use to compressor 75, works as when compressor 75 begins to function, can extract the refrigerant and pressurize it and make it evaporate into high-pressure hot steam, carry high-pressure hot steam to after the pressurization is accomplished the condenser, can understand that, compressor 75's model this embodiment does not do specific restriction, as long as satisfy compressor 75 can heat the refrigerant and pressurize to appointed value and make it evaporate into hot steam can.

The utility model discloses in condenser 77 chooses 1200W 900H-4P 9.52 specification for use, and it sets up the drying-machine top and with the outside air contact, work as high pressure hot steam can begin to release heat when being carried to inside, carries out heat transfer and condensation with outside air to this accomplishes the stoving to the air. It is understood that the specification and type of the condenser 77 are not particularly limited in this embodiment, as long as the condenser 77 can transfer the heat of the high-pressure hot steam to the air in contact therewith.

The embodiment of the utility model provides an in evaporimeter 73 chooses 1200W 900H-4P 9.52 specification for use, works as the refrigerant is carried to its inside time, can begin to absorb heat, carries out the heat transfer and evaporates with the air in the drying-machine to this cooling of accomplishing air in the stoving. It is understood that the specification and type of the evaporator 73 are not particularly limited in this embodiment, as long as the evaporator 73 can transfer heat of indoor air to the refrigerant.

The hot steam of the utility model enters the condenser and contacts with the external low-temperature air, the hot steam is condensed to form liquid refrigerant and releases heat to the air, and the air absorbs heat and heats up and then dries the material; and after heat release is finished, the refrigerant flows into the evaporator and is contacted with hot air, at the moment, the condensing agent absorbs heat and is quickly evaporated to form a gas-liquid mixture, and the air is cooled.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dual-purpose drying system of a tractor, including first stoving pond (1) and second stoving pond (2) that the interval set up be equipped with first air intake (3) on first stoving pond (1) front end be equipped with second air intake (4), its characterized in that on second stoving pond (2) front end: the air supply device is characterized in that an air supply air duct (5) capable of communicating a first air inlet (3) with a second air inlet (4) is arranged outside the first drying pool (1) and the second drying pool (2), a third air inlet (6) is arranged in the middle of the air supply air duct (5), the third air inlet (6) is connected with an air outlet of a dryer (7) arranged outside the air supply air duct (5), a switching mechanism (8) capable of enabling air sent out from an air outlet of the dryer (7) to be sent into the first air inlet (3) or/and the second air inlet (4) is arranged in the air supply air duct (5), and air outlet notches (9) are respectively arranged at the rear end of the first drying pool (1) and the rear end of the second drying pool (2).

2. The drying system for two purposes as claimed in claim 1, wherein the switching mechanism (8) comprises a wind shield (81) disposed in the air supply duct (5), and a driving mechanism capable of driving the wind shield (81) to move so as to close the first air inlet (3) or the second air inlet (4) or to cause the air to flow to the first air inlet (3) and the second air inlet (4) simultaneously is disposed in the air supply duct (5).

3. The drying system with two purposes as one machine according to claim 2, characterized in that the wind deflector (81) is one, the width of the wind deflector (81) is larger than the width between the front and rear inner walls of the air supply duct (5), the driving mechanism comprises a first track arranged on one side of the air supply duct (5) close to the first air inlet (3) and the second air inlet (4), a gap convenient for the wind deflector (81) to rotate is arranged between the first track and the outer wall of the front end of the first drying pool (1) and the outer wall of the front end of the second drying pool (2), a second track (84) is arranged on one side of the air supply duct (5) close to the dryer (7), a first sliding block (85) capable of sliding back and forth relative to the first track is arranged on the first sliding block (85), a connecting column (86) is arranged on the first sliding block (85), a abdicating groove (87) is arranged on the lower end face of the rear side of the wind deflector (81), spliced pole (86) activity sets up in the groove of stepping down (87) be equipped with rack (88) on second track (84) be equipped with gear (89) on deep bead (81) front side lower terminal surface, gear (89) are connected with the motor that sets up on deep bead (81) lower extreme, gear (89) mesh with rack (88) mutually.

4. The drying system with the dual purposes as claimed in claim 2, wherein the wind shield (81) is one, the width of the wind shield (81) is equal to the width between the front inner wall and the rear inner wall of the air supply duct (5), the driving mechanism comprises a screw rod (810) arranged at the middle position of the air supply duct (5) along the length direction, one end of the screw rod (810) is connected with a screw rod motor arranged at one end of the air supply duct (5), a screw rod sleeve is arranged at the center of the wind shield (81), and the screw rod sleeve is screwed on the screw rod (810).

5. The drying system with the dual purposes as claimed in claim 2, wherein the number of the wind deflectors (81) is two, the rear side of the wind deflectors (81) is hinged to the air supply duct (5) close to one side of the first air inlet (3) and the second air inlet (4), the driving mechanism comprises rollers arranged on the lower end face of the front side of the wind deflectors (81), and the rollers are connected with a driving motor arranged on the wind deflectors (81).

6. The drying system for two purposes as set forth in claim 1, wherein the first air inlet (3) and the second air inlet (4) are respectively provided with an air supply fan (10).

7. The drying system of claim 1, wherein the dryer (7) comprises a cabinet (71), a partition (72) is disposed at a middle portion of the cabinet (71), an evaporator (73) and a plurality of compressors (75) are disposed in the cabinet (71) at one side of the partition (72), a cool air outlet (76) is disposed at a position of the cabinet (71) corresponding to the evaporator (73), a first dryer inlet (74) is disposed at the cabinet (71) between the partition (72) and the cool air outlet (76), a condenser (77) is disposed in the cabinet (71) at the other side of the partition (72), a hot air outlet (78) is disposed at a position of the cabinet (71) corresponding to the condenser (77), a second dryer inlet (712) is disposed at the cabinet (71) between the partition (72) and the hot air outlet (78), a plurality of the play liquid end of compressor (75) respectively through first connecting pipe (79) with the feed liquor end of condenser (77) is connected, the play liquid end of condenser (77) is connected through the feed liquor end of second connecting pipe (710) with evaporimeter (73), every play liquid end of evaporimeter (73) is connected through the feed liquor end of third connecting pipe (711) with a compressor (75) respectively.

8. A dual-purpose drying system according to claim 7, wherein said second connecting duct (710) is provided with a throttling means (11).

9. A dual-purpose drying system according to claim 7, wherein a supply duct (12) is provided in said hot air outlet (78), a first fan (13) is provided in said supply duct (12), and a second fan (14) is provided in said cold air outlet (76).

10. The drying system for two purposes as one machine of claim 9, wherein a wind sensor is arranged in the casing (71), a controller is arranged on the outer wall of the casing (71), the wind sensor is connected with the controller, and the first fan (13), the second fan (14) and the compressor (75) are respectively connected with the controller.