CN214333295U - Marinated product airing equipment - Google Patents

Abstract

The utility model relates to a field of food processing discloses a stew in soy sauce article system equipment that dries in air, and it includes the box, the bottom half is equipped with the landing leg, the system chamber that dries in the air has been seted up in the box, the system chamber bottom that dries in the air rotates and is connected with the axis of rotation, the bottom half is equipped with the motor, the motor output passes through drive belt and rotation axis connection, the feed inlet has been seted up to the box on system chamber one side that dries in the air, the box is equipped with the discharge gate on system chamber and the opposite one side of feed inlet that dries in the air, the axis of rotation is connected with the runing rest in system chamber that dries in the air, the runing rest is connected with the couple through a plurality of sliding connection devices, sliding connection device divides equally to set up along runing rest radius direction, the box is equipped with the fan on system chamber wall that dries in the air. The application has the advantages that: be provided with a plurality of sliding connection device on the runing rest, can once only accomplish the pay-off and get the material operation through sliding connection device, improve the pay-off and got the efficiency of material.

Description

Marinated product airing equipment

Technical Field

The application relates to the field of food processing, in particular to marinated product airing equipment.

Background

The marinated products are traditional Chinese food, can be directly eaten after being processed, are rich in taste and unique in flavor, a part of marinated products need to be aired after being marinated, and in order to accelerate the airing efficiency of the marinated products, marinating airing equipment can be used for airing.

At present, the patent with the publication number of CN211861714U discloses a marinated product airing device, which comprises a box body, a rotating frame, rollers, a conveying belt, a driving device and an air blower, wherein a feeding hole and a discharging hole are formed in two opposite sides of the box body, the rotating frame is provided with a plurality of rollers, the conveying belt is in contact with the rollers, the driving device drives the rollers to rotate to drive the conveying belt to rotate, hooks are arranged on the conveying belt, the marinated product is hung on the hooks to rotate, and the air blower conveys air into the box body to air the marinated product.

In view of the above-mentioned related technologies, the inventor thinks that the time occupied in the feeding and taking processes in the airing work is relatively long, which results in low airing efficiency of the airing equipment.

SUMMERY OF THE UTILITY MODEL

In order to improve the efficiency of the airing equipment when feeding and getting the material, the application provides a stew in soy sauce article airing equipment.

The application provides a stew in soy sauce article system equipment that dries in air adopts following technical scheme to obtain:

a marinated product airing device comprises a box body, wherein supporting legs are arranged at the bottom of the box body, an airing cavity is formed in the box body, the bottom of the airing cavity is rotatably connected with a rotating shaft, a motor is arranged at the bottom of the box body, the output end of the motor is connected with the rotating shaft through a transmission belt, a feed inlet is formed in one side of the airing cavity of the box body, a discharge outlet is formed in one side of the airing cavity, which is opposite to the feed inlet, of the box body, the rotating shaft is connected with a rotating support in the airing cavity, the rotating support is connected with hooks through a plurality of sliding connection devices, each sliding connection device comprises a sliding rail and a sliding rod, the sliding rails are fixed between the rotating supports along the radius direction of the rotating supports, the sliding rods are slidably connected in the sliding rails, the hooks are uniformly distributed below the sliding rods, strip-shaped openings for the hooks to penetrate through are clamped below the sliding rails, and one end of the sliding rails, which is far away from the rotating shaft, is provided with a hanging ring, one end of the sliding rod in the length direction is provided with a retaining ring used for being buckled with the hanging ring, and the air-curing cavity is provided with a fan on the cavity wall adjacent to the feeding hole.

Through the technical scheme, multiple groups of sliding connection devices can be arranged on the rotary support to hook the marinated products, the single airing marinated product quantity of the airing equipment is improved, the buckle and the hanging ring can be used for effectively limiting the sliding rod in the sliding rail, the sliding rod can not slide out of the sliding rail due to rotation of the rotary support, the sliding rod can take out the airing cavity, the airing cavity is fed into the airing cavity after the marinated products are hooked, and the feeding and material taking efficiency during airing work is effectively improved.

Preferably: the two sides of one end, away from the center of the rotating support, of the sliding rail are provided with limiting blocks, and the bottom of one end, away from the retaining ring, of the sliding rod is provided with anti-falling blocks which are used for being abutted to the limiting blocks.

Through above-mentioned technical scheme, when the system work that dries in the air is accomplished, when the operator will take out stew in soy sauce goods, need take out the slide bar, stopper and anticreep piece can play a spacing function when the slide bar takes out completely, prevent that the slide bar accident from droing, the operator only needs to mention the slide bar a little, can make stopper and anticreep piece separation, takes out the slide bar, has improved operator's fault-tolerant rate.

Preferably: the inside opposite rotation of slide rail below strip mouth is connected with a plurality of groups of pulleys, and is opposite the clearance width between the pulley is greater than the diameter of couple.

Through the technical scheme, the friction resistance of the sliding rod and the sliding rail during sliding can be reduced through the pulley, so that the feeding and taking processes of the marinated products are easier, and the airing efficiency is improved.

Preferably: the support is provided with an ultraviolet lamp between the sliding connection devices, and a reflecting cover is arranged above the ultraviolet lamp.

Through above-mentioned technical scheme, the couple on the sliding connection device is used for hanging stew in soy sauce food, and ultraviolet lamp can disinfect food when stew in soy sauce food dries in the air, and the reflector will upwards the ultraviolet ray downward reflection of dispersing, can strengthen ultraviolet lamp to the disinfection effect of stew in soy sauce food, has improved the security of food.

Preferably: the bottom of the airing cavity is provided with a sewage discharge groove around the rotating shaft, the sewage discharge groove is arranged in an inclined manner, a sewage discharge port is arranged at the lowest end of the sewage discharge groove, and the sewage discharge port is connected with a sewage discharge valve.

Through above-mentioned technical scheme, the stew in soy sauce food that needs to air usually can be accompanied by the thick gravy, and the blowdown groove is used for collecting the thick gravy that drips in the system groove that dries in the air, and thick gravy can assemble to the drain along with the inclined plane of blowdown groove, then can discharge through the blowoff valve, the collection of the thick gravy in the system chamber of drying in the air of being convenient for and the washing in system chamber that dries in the air.

Preferably: the box wall of the box body is respectively connected with a baffle used for sealing the feed inlet and the discharge outlet in a sliding mode at the feed inlet and the discharge outlet, one side, deviating from the air-curing cavity, of the baffle is provided with a handle, the top of the baffle is provided with a bayonet, the box body is respectively provided with a clamping groove corresponding to the opening at the feed inlet and the discharge outlet, a clamping block is connected in the clamping groove in a sliding mode, one side, far away from the air-curing cavity, of the clamping groove is provided with an opening along the length direction, the clamping block is connected with a shifting block, and the shifting block extends out of the opening.

Through above-mentioned technical scheme, feed inlet and discharge gate all are equipped with gliding baffle, can seal feed inlet and discharge gate, form a confined box, have effectively reduced external pollution source and have got into the system chamber of drying in the air, and the operator contacts the harmful health of ultraviolet ray for a long time, and the system chamber of drying in the air of confined also is favorable to going on of ultraviolet ray disinfection.

Preferably: the fan is characterized in that a fan cover is arranged outside the fan, the fan cover is connected with a ventilation pipe, and the ventilation pipe is connected to the wall of the box body on one side opposite to the fan from the outside of the box body.

Through above-mentioned technical scheme, the ventilation pipe has formed the circulation path of an air with sunning chamber intercommunication, and the fan housing has improved the efficiency of fan ventilation for the efficiency of the system of drying in the air of stew in soy sauce article.

Preferably: the air-drying device is characterized in that a three-way valve is connected between the ventilation pipe and the box body, the three-way valve comprises a public port, a first outlet and a second outlet, the public port is connected with the ventilation pipe, the first outlet and the box body are connected to the inside of the air-drying cavity, the second outlet is communicated with the outside of the box body, and an air filter screen is arranged in the second outlet.

Through above-mentioned technical scheme, when the first opening of three-way valve was opened, the system equipment that dries in the air was in the inner loop state of an air, opens when the second opening, and the fan can directly extract outside air and dry in the air, has rapid cooling's effect, also can effectively dry in the air and stew in soy sauce article, and airstrainer can effectively filter the suspension pollutant in the air, and the operator can be based on the different characteristics of the stew in soy sauce article that need dry in the air and select the different system mode of drying in the air.

Preferably: the air hood is internally provided with an electric heating wire, a condenser pipe is arranged in a second outlet of the three-way valve, the box body is provided with a water collecting tank below the condenser pipe and inclines downwards towards the airing cavity, and a heat insulation film is arranged outside the air hood.

Through above-mentioned technical scheme, electric heating wire can the air of heating cycle for the evaporation of steamed product moisture, and the condenser pipe can condense the moisture in the air, and drip and flow into to the blowdown groove on the water catch bowl in, and the heat insulating membrane can be partly isolated by the heat that electric heating wire produced, avoids scalding the operator.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the rotating bracket can be provided with a plurality of groups of sliding connection devices, and the plurality of groups of sliding connection devices hang marinated products and rotate to pass through the air opening of the fan in turn, so that the airing efficiency is effectively improved;

2. the ultraviolet lamp can sterilize and disinfect the food and the inside of the airing equipment while airing the marinated products, so that the safety of the food is improved;

3. the circulating loop of air formed by the fan and the ventilation pipe can quickly remove moisture in the marinated products by heating through the electric heating wire and condensing through the condensing pipe.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view taken along a-a in fig. 1.

Fig. 3 is a schematic structural diagram of a sliding connection apparatus according to an embodiment of the present application.

Fig. 4 is an enlarged view of a portion a of fig. 3.

Fig. 5 is a partial structural sectional view of the fan, the fan housing, and the ventilation duct according to the embodiment of the present application.

Fig. 6 is an enlarged schematic view of a portion B in fig. 1.

Reference numerals: 1. a box body; 2. a support leg; 3. airing the cavity; 4. a rotating shaft; 5. an electric motor; 6. a transmission belt; 7. a feed inlet; 8. a discharge port; 9. rotating the bracket; 10. a sliding connection device; 101. a slide rail; 1010. a strip-shaped opening; 1011. a limiting block; 1012. a pulley; 102. a slide bar; 1020. an anti-drop block; 11. hooking; 12. hanging a ring; 13. a retaining ring; 14. a fan; 15. an ultraviolet lamp; 16. a reflector; 17. a sewage draining groove; 18. a sewage draining outlet; 19. a blowoff valve; 20. a baffle plate; 21. a handle; 22. a bayonet; 23. a card slot; 24. a clamping block; 25. an opening; 26. shifting blocks; 27. a fan housing; 28. a vent pipe; 29. a three-way valve; 291. a common port; 292. a first outlet; 293. a second outlet; 30. an air filter screen; 31. an electric heating wire; 32. a condenser tube; 33. a water collection tank; 34. a heat insulating film.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a marinated product airing device. As shown in fig. 1 and 2, the marinated product airing device comprises a box body 1, wherein supporting legs 2 are arranged at the bottom of the box body 1, an airing cavity 3 is arranged in the box body 1, a feeding hole 7 is formed in one side of the box body 1, a discharging hole 8 is formed in the side, opposite to the feeding hole 7, of the box body 1, a rotating shaft 4 is rotatably connected to the bottom of the airing cavity 3, a motor 5 is arranged outside the box body 1, the output end of the motor 5 is connected with the rotating shaft 4 through a transmission belt 6, and a rotating support 9 is arranged in the airing cavity 3 of the rotating shaft 4; the rotating shaft 4 drives the rotating support 9 to rotate in the airing cavity 3, the sliding connection device 10 is arranged on the rotating support 9, the sliding connection device 10 is used for hanging marinated products, the marinated products enter from the feeding hole 7, are hung on the sliding connection device 10 to be aired and are taken out from the discharging hole 8, and the airing process is standard and orderly.

As shown in fig. 3 and 4, three sliding connection devices 10 are equally fixed to the rotating bracket 9 along the radius direction, each sliding connection device 10 includes a sliding rail 101 and a sliding rod 102, the sliding rail 101 is fixed to the rotating bracket 9 along the radius direction of the rotating bracket 9, a strip-shaped opening 1010 is formed below the sliding rail 101, a plurality of sets of pulleys 1012 are oppositely and rotatably connected to the inner side of the strip-shaped opening 1010, the sliding rod 102 is slidably connected to the sliding rail 101, a plurality of hooks 11 are uniformly fixed below the sliding rod 102, a gap between the opposite pulleys 1012 is larger than the diameter of the hook 11, so as not to prevent the hook 11 from moving, the hook 11 on the sliding rod 102 is used for hanging the marinated products, after the marinated products are hung on the sliding rod 102, the sliding rod 102 is slid into the sliding rail 101, the pulleys 1012 can effectively reduce friction between the sliding rod 102 and the sliding rail 101, so that the installation and removal of the sliding rod 102 are more labor-saving, the sliding rod 102 can be taken out of the airing cavity 3 for hanging the marinated products, after the hanging is finished, the marinated products are conveyed into the airing cavity 3 at one time, and after the airing is finished, the slide rods 102 are taken out, namely, the marinated products which are aired are taken out at one time, so that the time spent on feeding and taking the materials in the marinating process is reduced, and the airing efficiency is improved.

As shown in fig. 3, a hanging ring 12 is arranged at one end of the sliding rod 102 away from the center of the rotating bracket 9, and a retaining ring 13 for being buckled with the hanging ring 12 is arranged at one end of the sliding rod 102 along the length direction; after the sliding rod 102 completely slides into the sliding rail 101, the buckle 13 is buckled to the hanging ring 12, so that the sliding rod 102 can be limited in the sliding rail 101, and the sliding rod 102 cannot slide out of the sliding rail 101 due to rotation.

As shown in fig. 4, a limiting block 1011 is fixed on both sides of one end of the slide rail 101 away from the center of the rotating bracket 9, and an anti-falling block 1020 for abutting against the limiting block 1011 is fixed on the bottom of one end of the slide bar 102 away from the retaining ring 13; after the marinated product is aired, an operator pulls the retaining ring 13 to draw out the sliding rod 102, when the sliding rod 102 is to be completely drawn out, the limiting block 1011 can be abutted to the anti-falling block 1020, so that the sliding rod 102 cannot be separated from the sliding rail 101 due to misoperation of the operator, the marinated product falls off, when the limiting block 1011 is abutted to the anti-falling block 1020, the sliding rod 102 only needs to be slightly lifted up, and the fault tolerance of the operator during airing is improved.

As shown in fig. 3, the rotating bracket 9 is fixed with an ultraviolet lamp 15 between every two of the three sliding connection devices 10, and a reflector 16 is arranged above the ultraviolet lamp 15; ultraviolet lamp 15 can disinfect the stew in soy sauce article when drying in the air, also can disinfect the disinfection to the chamber 3 that dries in the air simultaneously, and reflector 16 can reflect partly ultraviolet ray of dispersing, has strengthened ultraviolet lamp 15 to the disinfection effect of stew in soy sauce article, has improved the security of food.

As shown in fig. 2, a sewage draining groove 17 is arranged at the bottom of the airing cavity 3, the sewage draining groove 17 is obliquely arranged, a sewage draining outlet 18 is arranged at the lowest end of the sewage draining groove 17, and the sewage draining outlet 18 is connected with a sewage draining valve 19; marinating product can be accompanied with the marinade usually, and the blowdown groove 17 of the system chamber 3 bottom of drying in the air can effectively collect the marinade that dries in the air in-process drippage to through drain 18 and blowoff valve 19 discharge system chamber 3 that dries in the air, drain 18 also can be used for discharging the sewage that washs system chamber 3 that dries in the air, make the blowdown and the cleaning work of the system equipment that dries in the air more convenient.

As shown in fig. 1 and 5, a fan 14 is arranged on the side surface of the box body 1 perpendicular to the feed inlet 7 and the discharge outlet 8, a fan cover 27 is sleeved outside the fan 14, the fan cover 27 is connected with a ventilation pipe 28, the outside of the box body 1 of the ventilation pipe 28 is connected with a three-way valve 29, three outlets of the three-way valve 29 are respectively a common port 291, a first outlet 292 and a second outlet 293, the ventilation pipe 28 is connected with the common port 291, the first outlet 292 is communicated with the cavity wall of the airing cavity 3 on the side opposite to the fan 14, the second outlet 293 is communicated with the outside of the box body 1, and an air filter screen 30 is arranged in the second outlet 293; the fan 14 is used for providing wind power for airing the marinated products to accelerate the airing efficiency, an operator controls the three-way valve 29, when the public port 291 is communicated with the first outlet 292, the ventilation pipe 28 and the airing cavity 3 form a circulating wind path, when the public port 291 is communicated with the second outlet 293, the fan 14 can draw air outside the box body 1 into the airing cavity 3, the temperature can be quickly reduced, the airing efficiency can be effectively improved, and the air filter screen 30 can effectively filter suspended impurities in the air.

As shown in fig. 5, an electric heating wire 31 is arranged in the fan housing 27, a condenser pipe 32 is arranged in the second outlet of the three-way valve 29, a water collecting tank 33 is arranged below the condenser pipe 32 in the box body 1 and is inclined downwards towards the airing cavity 3, and a heat insulating film 34 is sleeved outside the fan housing 27; open electric heating wire 31, electric heating wire 31 can heat the air that dries in the air for the evaporation of water in the stew in soy sauce article, moisture in the air meets condenser pipe 32 and can condense into the water droplet, and the water droplet drips and flows into blow-down tank 17 in water catch bowl 33, and the moisture in the air of in time condensing can improve stew in soy sauce article's the efficiency of drying in the air.

As shown in fig. 5, the heat insulating film 34 can effectively insulate the heat generated by the electric heating wire 31, prevent an operator from being scalded by touching, and can select different processing modes according to different marinated products, thereby improving the applicability of the airing device.

As shown in fig. 1 and 6, the box wall of the box 1 is slidably connected with a baffle 20 for closing the feed inlet 7 and the discharge outlet 8 at the feed inlet 7 and the discharge outlet 8, respectively, one side of the baffle 20 away from the air-curing chamber 3 is provided with a handle 21, the top of the baffle 20 is provided with a bayonet 22, the box 1 is provided with a slot 23 corresponding to the opening 25 at the feed inlet 7 and the discharge outlet 8, respectively, the slot 23 is slidably connected with a block 24, one side of the slot 23 away from the air-curing chamber 3 is provided with an opening 25 along the length direction, the block 24 is connected with a shifting block 26, the shifting block 26 is arranged in the opening 25 in a penetrating manner, the baffle 20 can close and lock the feed inlet 7 and the discharge outlet 8, so as to reduce dust and bacteria from entering the air-curing chamber 3, the baffle 20 can be closed so that the air-curing chamber 3 and the ventilation pipe 28 form a closed air circulation loop, and the baffle 20 can block ultraviolet rays in the air-curing chamber 3 at the same time, the safety of the airing equipment is improved.

The implementation principle of the marinated product airing device in the embodiment of the application is as follows: when an operator uses the electric heating device, firstly, a marinated product to be aired is hung on the hook 11 on the slide rod 102, then, the slide rod 102 is slid into the slide rail 101, the retaining ring 13 is buckled on the hanging ring 12, the three-way valve 29 is controlled to ensure that the public port 291 is communicated with the first outlet 292, the baffle 20 of the feeding port 7 and the discharging port 8 is closed, the fan 14 is opened to realize an air-curing mode of internal circulation of air, the electric heating wire 31 is opened to heat the circulating air, the internal circulation of the air can reduce the loss of heat in the air, when the public port 291 is communicated with the second outlet 293, the fan 14 is opened to pump the external air into the air-curing cavity 3, and the effect of rapid cooling can be achieved; when the marinated products are aired in the airing cavity 3 in a rotating mode, the ultraviolet lamp 15 on the rotating support 9 can sterilize and disinfect the marinated products and the airing cavity 3, and waste liquid in the sewage discharge groove 17 can be discharged through the sewage discharge port 18 and the sewage discharge valve 19.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (9)

1. The marinated product airing equipment is characterized in that: comprises a box body (1), wherein supporting legs (2) are arranged at the bottom of the box body (1), a drying cavity (3) is formed in the box body (1), a rotating shaft (4) is rotatably connected at the bottom of the drying cavity (3), a motor (5) is arranged at the bottom of the box body (1), the output end of the motor (5) is connected with the rotating shaft (4) through a driving belt (6), a feeding hole (7) is formed in one side of the drying cavity (3) of the box body (1), a discharging hole (8) is formed in the opposite side of the drying cavity (3) and the feeding hole (7) of the box body (1), a rotating support (9) is connected in the drying cavity (3) of the rotating shaft (4), the rotating support (9) is connected with a hook (11) through a plurality of sliding connection devices (10), each sliding connection device (10) comprises a sliding rail (101) and a sliding rod (102), and the sliding rail (101) is fixed on the rotating support (9) along the radius direction of the rotating support (9), the drying machine is characterized in that the sliding rod (102) is connected in the sliding rail (101) in a sliding mode, the hooks (11) are evenly distributed below the sliding rod (102), a strip-shaped opening (1010) for the hooks (11) to penetrate through is formed in the lower portion of the sliding rail (101), a hanging ring (12) is arranged at one end, far away from the rotating shaft (4), of the sliding rail (101), a buckling ring (13) used for buckling with the hanging ring (12) is arranged at one end, in the length direction, of the sliding rod (102), and a fan (14) is arranged on the wall, adjacent to the feeding hole (7), of the drying cavity (3).

2. Marinated product airing apparatus according to claim 1, characterised in that: the two sides of one end, far away from the center of the rotating support (9), of the sliding rail (101) are provided with limiting blocks (1011), and the bottom of one end, far away from the retaining ring (13), of the sliding rod (102) is provided with anti-falling blocks (1020) which are used for being abutted to the limiting blocks (1011).

3. Marinated product airing apparatus according to claim 1, characterised in that: the inner side of the strip-shaped opening (1010) below the sliding rail (101) is oppositely and rotatably connected with a plurality of groups of pulleys (1012), and the width of a gap between the opposite pulleys (1012) is larger than the diameter of the hook (11).

4. Marinated product airing apparatus according to claim 1, characterised in that: the rotating support (9) is provided with an ultraviolet lamp (15) between two adjacent sliding connection devices (10), and a reflecting cover (16) is arranged above the ultraviolet lamp (15).

5. Marinated product airing apparatus according to claim 1, characterised in that: the airing cavity (3) is provided with a sewage draining groove (17) at the bottom around the rotating shaft (4), the sewage draining groove (17) is arranged in an inclined manner and is provided with a sewage draining outlet (18) at the lowest end, and the sewage draining outlet (18) is connected with a sewage draining valve (19).

6. Marinated product airing apparatus according to claim 1, characterised in that: the box wall of the box body (1) is respectively provided with a baffle (20) used for sealing the feed inlet (7) and the discharge outlet (8) at the feed inlet (7) and the discharge outlet (8) in a sliding manner, one side of the baffle (20) departing from the air-curing chamber (3) is provided with a handle (21), the top of the baffle (20) is provided with a bayonet (22), the box body (1) is respectively provided with a clamping groove (23) corresponding to the opening (25) at the feed inlet (7) and the discharge outlet (8), the clamping groove (23) is internally provided with a clamping block (24) in a sliding manner, one side of the clamping groove (23) far away from the air-curing chamber (3) is provided with the opening (25) along the length direction, the clamping block (24) is connected with a shifting block (26), and the shifting block (26) extends out of the opening (25).

7. Marinated product airing apparatus according to claim 1, characterised in that: the fan (14) is externally provided with a fan cover (27), the fan cover (27) is connected with a ventilation pipe (28), and the ventilation pipe (28) is connected to the wall of the opposite side of the box body (1) and the fan (14) from the outside of the box body (1).

8. Marinated product airing apparatus according to claim 7, wherein: a three-way valve (29) is connected between the ventilation pipe (28) and the box body (1), the three-way valve (29) comprises a public port (291), a first outlet (292) and a second outlet (293), the public port (291) is connected with the ventilation pipe (28), the first outlet (292) and the box body (1) are connected to the inside of the airing cavity (3), the second outlet (293) is communicated with the outside of the box body (1), and an air filter screen (30) is arranged in the second outlet (293).

9. Marinated product airing apparatus according to claim 8, wherein: an electric heating wire (31) is arranged in the fan cover (27), a condensing pipe (32) is arranged in a second outlet (293) of the three-way valve (29), a water collecting tank (33) is obliquely and downwards arranged below the condensing pipe (32) towards the airing cavity (3) of the box body (1), and a heat insulation film (34) is arranged outside the fan cover (27).

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