Disinfection device for automatic production line of dehydrated vegetables

Abstract

The utility model relates to the technical field of dehydrated vegetable processing, in particular to a sterilizing device of an automatic production line of dehydrated vegetables, which not only utilizes superheated steam and an ultraviolet lamp to sterilize and disinfect vegetables and enhance the sterilizing effect, but also improves the working efficiency, dries and preheats the vegetables while sterilizing, and improves the quality of the vegetables. The subsequent dehydration treatment is convenient; comprising a drying mechanism; the device comprises a drying mechanism and further comprises a conveying mechanism, a delivery mechanism, a sterilization mechanism, a recycling mechanism and a discharging mechanism, the conveying mechanism is installed on the drying mechanism and conveys vegetables forwards, the delivery mechanism is installed on the conveying mechanism and pushes the vegetables into the drying mechanism, and the sterilization mechanism is installed on the conveying mechanism and conducts superheated steam sterilization on the vegetables; the recycling mechanism is mounted on the sterilizing mechanism and used for filtering and heating steam, and the discharging mechanism is mounted on the drying mechanism and used for conveniently discharging dehydrated vegetables.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of dehydrated vegetable processing, in particular to a disinfection device of dehydrated vegetable automatic production line. BACKGROUND

[0002] Dehydrated vegetable, also known as rehydrated vegetable, is a kind of dried vegetable made by washing and drying fresh vegetables, removing most of the water in the vegetables, and keeping the original color and nutrients of the vegetables basically unchanged, which is easy to store and transport and can effectively regulate the production season of vegetables.

[0003] The existing disinfection device of dehydrated vegetable automatic production line, such as the sterilization device for dehydrated vegetable processing disclosed in the utility model patent with application number 202420144538.9, mainly includes a workboard, a support plate fixedly connected to the lower side of the workboard, a rotating shaft rotatably connected to the upper side of the workboard, a rotating disc fixedly connected to the upper end of the rotating shaft, a placing unit arranged on the outer side of the rotating disc, a fixed frame fixedly connected to the left side of the workboard, a hydraulic cylinder fixedly connected to the upper side of the fixed frame, a lifting plate fixedly connected to the output end of the hydraulic cylinder, an ultraviolet disinfection lamp fixedly connected to the inner side of the lifting plate, and the placing unit includes a plurality of fixed discs; in use, the worker first places the dehydrated vegetable in the placing cylinder, then starts the motor one to drive the rotating disc to rotate, the rotating disc drives the placing cylinder to rotate to the left side, the electric push rod drives the connecting rod to connect with the connecting cylinder, and the motor two is started to drive the placing cylinder to rotate, the hydraulic cylinder drives the lifting plate, the lifting plate drives the ultraviolet disinfection lamp to descend for disinfection, then the connecting rod and the connecting cylinder are separated, the motor one rotates the placing cylinder to rotate to the rear side, and the placing cylinder is controlled to rotate through the connecting rod at the rear side, which facilitates discharging, and continuous disinfection is carried out by controlling the rotation of the rotating disc.

[0004] However, the existing disinfection device mostly only uses ultraviolet light to disinfect dehydrated vegetables, which has poor disinfection effect and takes a long time to kill bacteria with ultraviolet light, affecting production efficiency. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a disinfection device of dehydrated vegetable automatic production line, which not only uses superheated steam and ultraviolet light to disinfect and sterilize vegetables, enhances disinfection effect, improves work efficiency, and dries and preheats vegetables while sterilizing, facilitating subsequent dehydration treatment.

[0006] The utility model discloses a kind of automatic production line's sterilization device of dehydrated vegetable, including drying mechanism;It further includes conveying mechanism, delivery mechanism, sterilization mechanism, recovery mechanism and discharge mechanism, conveying mechanism is installed on drying mechanism and forwards vegetable, delivery mechanism is installed on conveying mechanism and pushes vegetable to drying mechanism, sterilization mechanism is installed on conveying mechanism and carries out superheated steam sterilization to vegetable, recovery mechanism is installed on sterilization mechanism and filters heating to steam, discharge mechanism is installed on drying mechanism and facilitates discharge dehydrated vegetable;Conveying mechanism drives vegetable forwards, sterilization mechanism sprays superheated steam to vegetable and carries out sterilization and disinfection, delivery mechanism sends vegetable after sterilization and disinfection to drying mechanism, drying mechanism carries out drying and purple light lamp effect to vegetable, facilitate subsequent dehydration to vegetable, water vapor generated by drying is filtered and heated into recovery mechanism, then is conveyed to sterilization mechanism and utilizes, when accumulation to certain amount of vegetable, extrude discharge mechanism, facilitate vegetable discharge.

[0007] Preferably, the drying mechanism includes an incubator, four heating plates, and a purple light lamp. The bottom end of the incubator is connected with the working surface. The incubator has a cavity inside. The incubator is provided with an inlet and a discharge port. The four heating plates are all installed in the cavity of the incubator in an inclined manner. The purple light lamp is installed in the cavity of the incubator. The delivery mechanism sends the sterilized vegetable into the cavity of the incubator and drops onto the heating plates. The vegetable slides downward between the four heating plates. The purple light lamp performs ultraviolet sterilization and disinfection on the vegetable. The four heating plates dry the vegetable while prolonging the time for which the vegetable is irradiated by the purple light lamp.

[0008] Preferably, the conveying mechanism includes a sterilization box, a bracket, a motor, a speed reducer, two sets of conveying rollers, and a conveying belt. The sterilization box is installed on the incubator. The sterilization box has an inner cavity inside and is in communication with the inside of the inlet of the incubator. The bracket is installed on the incubator and is connected with the bottom end of the sterilization box. The motor is installed on the incubator. The speed reducer is installed on the incubator. The two sets of conveying rollers are both rotatably installed in the inner cavity of the sterilization box. One of the two sets of conveying rollers is in transmission connection with the speed reducer. The conveying belt is tightly installed between the two sets of conveying rollers. The cleaned vegetable is laid on the conveying belt. The motor is started. The motor drives the conveying rollers connected therewith to rotate through the speed reducer. The conveying rollers drive the conveying belt to rotate. The conveying belt drives the vegetable to forwardly convey. The bracket enhances the stability of the sterilization box.

[0009] Preferably, the delivery mechanism comprises a driven shaft, two sets of pulleys, a belt, a rotating shaft, five sets of paddles and two sets of gears, the driven shaft is rotatably installed on the sterilization box, the two sets of pulleys are respectively installed on the driven shaft and the conveying roller, the belt is tautly installed between the two sets of pulleys, the rotating shaft is rotatably installed in the inner cavity of the sterilization box, the five sets of paddles are all installed on the rotating shaft, and the two sets of gears are respectively installed on the driven shaft and the rotating shaft; the conveying roller drives the pulley to rotate, the pulley drives the other set of pulleys and the driven shaft to rotate through the belt, the driven shaft drives the gears connected thereto to rotate, the two sets of gears are in meshing transmission, the gears drive the rotating shaft and the five sets of paddles to rotate, and the paddles deliver the sterilized vegetables on the conveying belt into the cavity of the incubation box.

[0010] Preferably, the sterilization mechanism comprises a steam generator, an air pump, an air suction pipe, a first gas conveying pipe and a plurality of spray heads, the bottom end of the steam generator is connected with the top end of the incubation box, the bottom end of the air pump is connected with the top end of the incubation box, the air suction pipe is installed on the air pump and communicates with the inside of the steam generator, the first gas conveying pipe is installed on the air pump, and the plurality of spray heads are all installed at the top end inside the inner cavity of the sterilization box and communicate with the inside of the first gas conveying pipe; the steam generator generates superheated steam, the air pump is started, the air pump draws out the superheated steam through the air suction pipe, then conveys the superheated steam into the plurality of spray heads through the first gas conveying pipe, and the plurality of spray heads spray out the superheated steam to sterilize and disinfect the vegetables; the superheated steam can kill most of the microorganisms in the vegetables in a short time, thereby improving the sterilization efficiency.

[0011] Preferably, the recovery mechanism comprises a filter heater, an exhaust pipe, a first check valve, a reflux pipe, a second check valve and a second gas conveying pipe, the bottom end of the filter heater is connected with the top end of the incubation box, the exhaust pipe is installed on the filter heater and communicates with the inside of the cavity of the incubation box, the first check valve is installed on the exhaust pipe, the reflux pipe is installed on the filter heater and communicates with the inside of the inner cavity of the sterilization box, the second check valve is installed on the reflux pipe, and the second gas conveying pipe is installed on the filter heater and communicates with the inside of the air suction pipe; the heating plate dries the vegetables, the water vapor generated by drying is conveyed into the filter heater through the exhaust pipe, the superheated steam after sterilization in the sterilization box is conveyed into the filter heater through the reflux pipe, the first check valve and the second check valve are arranged to avoid reverse flow of the steam, the filter heater filters and heats the conveyed steam, the water vapor is heated into superheated steam, and the superheated steam is conveyed into the air suction pipe through the second gas conveying pipe, thereby improving the energy utilization rate.

[0012] Preferably, the discharging mechanism comprises a hinge, a sealing cover, a pressure plate, two sets of connecting shafts, two sets of electric cylinders and two sets of springs, the hinge is installed at the discharging port of the heat preservation box, the sealing cover is installed on the hinge, the pressure plate is installed on the inner side of the sealing cover, the two sets of connecting shafts are both rotatably installed on the heat preservation box, the two sets of electric cylinders are respectively installed on the two sets of connecting shafts, and the two sets of electric cylinders are both rotatably connected with the sealing cover, and the two sets of springs are respectively installed on the two sets of connecting shafts; when the vegetables are stacked on the lowermost heating plate and press the pressure plate, the pressure plate detects a certain pressure, and then starts the two sets of electric cylinders through an electric signal, the two sets of electric cylinders are elongated to push the sealing cover outward, the sealing cover is opened to facilitate the vegetables to be discharged from the discharging port, and after the vegetables are discharged, the two sets of springs rebound to pull the sealing cover to block the discharging port of the heat preservation box, thereby prolonging the time for the vegetables to be disinfected by the purple light lamp.

[0013] Compared with the prior art, the beneficial effects of the utility model are that the conveying mechanism drives the vegetables to be conveyed forward, the sterilization mechanism sprays the overheated steam on the vegetables to sterilize and disinfect them, the feeding mechanism feeds the sterilized and disinfected vegetables into the drying mechanism, the drying mechanism dries the vegetables and has the effect of the purple light lamp, which facilitates subsequent dehydration of the vegetables, the water vapor generated by drying is filtered and heated in the recycling mechanism, and then is conveyed into the sterilization mechanism for use, and when a certain amount of vegetables are accumulated, the discharging mechanism is extruded to facilitate the vegetables to be discharged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is the isometric structural schematic view of the utility model;

[0015] Figure 2 is the cross-sectional isometric structural schematic view of the drying mechanism and the sterilization mechanism of the utility model;

[0016] Figure 3 is the local enlarged cross-sectional isometric structural schematic view of the conveying mechanism and the feeding mechanism of the utility model;

[0017] Figure 4 is the local enlarged isometric structural schematic view of the sterilization mechanism and the recycling mechanism of the utility model;

[0018] Figure 5 is the local enlarged isometric structural schematic view of the discharging mechanism of the utility model.

[0019] Marked in the drawing: 01, drying mechanism; 11, incubator; 12, hot plate; 13, purple light; 02, conveying mechanism; 21, sterilization box; 22, support; 23, motor; 24, speed reducer; 25, conveying roller; 26, conveying belt; 03, delivery mechanism; 31, driven shaft; 32, pulley; 33, belt; 34, rotating shaft; 35, push plate; 36, gear; 04, sterilization mechanism; 41, steam generator; 42, air pump; 43, suction pipe; 44, first gas pipe; 45, nozzle; 05, recovery mechanism; 51, filter heater; 52, exhaust pipe; 53, first check valve; 54, return pipe; 55, second check valve; 56, second gas pipe; 06, discharge mechanism; 61, hinge; 62, sealing cover; 63, pressure plate; 64, connecting shaft; 65, electric cylinder; 66, spring. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be implemented in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. EMBODIMENT

[0021] The utility model discloses a kind of automatic production line's sterilization device of dehydrated vegetable, including drying mechanism 01;Still including conveying mechanism 02, delivery mechanism 03, sterilization mechanism 04, recovery mechanism 05 and discharge mechanism 06, conveying mechanism 02 is installed on drying mechanism 01 and forwards vegetable, delivery mechanism 03 is installed on conveying mechanism 02 and pushes vegetable to drying mechanism 01, sterilization mechanism 04 is installed on conveying mechanism 02 and carries out superheated steam sterilization to vegetable, recovery mechanism 05 is installed on sterilization mechanism 04 and filters heating to steam, discharge mechanism 06 is installed on drying mechanism 01 and conveniently discharges dehydrated vegetable;Drying mechanism 01 includes heat-insulating box 11, four groups of heating plate 12 and purple light 13, the bottom of heat-insulating box 11 is connected with working surface, the inside of heat-insulating box 11 is provided with cavity, inlet and discharge port are opened on heat-insulating box 11, four groups of heating plate 12 are all obliquely installed in the cavity of heat-insulating box 11, and purple light 13 is installed in the cavity of heat-insulating box 11;Conveying mechanism 02 includes sterilization box 21, support 22, motor 23, speed reducer 24, two groups of conveying roller 25 and conveying belt 26, sterilization box 21 is installed on heat-insulating box 11, the inside of sterilization box 21 is provided with inner chamber and is communicated with the inside of the inlet of heat-insulating box 11, support 22 is installed on heat-insulating box 11 and is connected with the bottom of sterilization box 21, motor 23 is installed on heat-insulating box 11, speed reducer 24 is installed on heat-insulating box 11, two groups of conveying roller 25 are all rotationally installed in the inner chamber of sterilization box 21, and one group of conveying roller 25 is drivenly connected with speed reducer 24, and conveying belt 26 is tensionedly installed between two groups of conveying roller 25;Delivery mechanism 03 includes driven shaft 31, two groups of belt pulley 32, belt 33, shaft 34, five groups of paddle 35 and two groups of gear 36, driven shaft 31 is rotationally installed on sterilization box 21, two groups of belt pulley 32 are installed on driven shaft 31 and conveying roller 25 respectively, belt 33 is tensionedly installed between two groups of belt pulley 32, shaft 34 is rotationally installed in the inner chamber of sterilization box 21, five groups of paddle 35 are all installed on shaft 34, and two groups of gear 36 are installed on driven shaft 31 and shaft 34 respectively;Sterilization mechanism 04 includes steam generator 41, air pump 42, suction pipe 43, first gas pipe 44 and multiple groups of spray head 45, the bottom of steam generator 41 is connected with the top of heat-insulating box 11, the bottom of air pump 42 is connected with the top of heat-insulating box 11, suction pipe 43 is installed on air pump 42 and is communicated with the inside of steam generator 41, first gas pipe 44 is installed on air pump 42, and multiple groups of spray head 45 are all installed in the inner chamber inside top of sterilization box 21 and are communicated with the inside of first gas pipe 44.The recycling mechanism 05 comprises a filter heater 51, an exhaust pipe 52, a first check valve 53, a backflow pipe 54, a second check valve 55 and a second gas pipe 56, the bottom end of the filter heater 51 is connected with the top end of the heat preservation box 11, the exhaust pipe 52 is installed on the filter heater 51 and communicates with the inside of the cavity of the heat preservation box 11, the first check valve 53 is installed on the exhaust pipe 52, the backflow pipe 54 is installed on the filter heater 51 and communicates with the inside of the cavity of the sterilization box 21, the second check valve 55 is installed on the backflow pipe 54, and the second gas pipe 56 is installed on the filter heater 51 and communicates with the inside of the air suction pipe 43; in the working process, first, the cleaned vegetables are laid on the conveying belt 26, the motor 23 is started, the motor 23 drives the conveying roller 25 connected with the motor 23 to rotate through the speed reducer 24, the conveying roller 25 drives the conveying belt 26 to rotate, the conveying belt 26 drives the vegetables to be conveyed forward, the stability of the sterilization box 21 is enhanced by arranging the support 22, the steam generator 41 generates superheated steam, the air pump 42 is started, the air pump 42 sucks out the superheated steam through the air suction pipe 43, then the superheated steam is conveyed into the plurality of nozzles 45 through the first gas pipe 44, the superheated steam is sprayed out by the plurality of nozzles 45 to sterilize and disinfect the vegetables, the superheated steam can kill most of the microorganisms in the vegetables in a short time, the sterilization efficiency is improved, the conveying roller 25 drives the pulley 32 to rotate, the pulley 32 drives another set of pulley 32 and the driven shaft 31 to rotate through the belt 33, the driven shaft 31 drives the gear 36 connected with the driven shaft 31 to rotate, the two gears 36 are meshed and driven, the gear 36 drives the rotating shaft 34 and the five sets of push plates 35 to rotate, the push plates 35 deliver the sterilized vegetables on the conveying belt 26 into the cavity of the heat preservation box 11, the sterilized vegetables are delivered into the cavity of the heat preservation box 11 and fall on the heating plate 12, the vegetables slide downward between the four sets of heating plates 12, the ultraviolet light 13 sterilizes and disinfects the vegetables, the four sets of heating plates 12 can prolong the irradiation time of the vegetables by the ultraviolet light 13 while drying the vegetables, the heating plate 12 dries the vegetables, the water vapor generated in the drying process is conveyed into the filter heater 51 through the exhaust pipe 52, the superheated steam sterilized in the sterilization box 21 is conveyed into the filter heater 51 through the backflow pipe 54, the first check valve 53 and the second check valve 55 are arranged to avoid the reverse flow of the steam, the filter heater 51 filters and heats the conveyed steam, the water vapor is heated into superheated steam, the superheated steam is conveyed into the air suction pipe 43 through the second gas pipe 56, and the energy utilization rate is improved. Embodiment

[0022] As Figures 1 to 5The utility model discloses a kind of sterilization devices of automatic production line of dehydrated vegetable, on the basis of embodiment 1;Discharge mechanism 06 includes hinge 61, sealing cover 62, pressure plate 63, two groups of connecting shafts 64, two groups of electric cylinders 65 and two groups of springs 66, hinge 61 is installed at the discharge port of heat preservation box 11, sealing cover 62 is installed on hinge 61, pressure plate 63 is installed on the inboard of sealing cover 62, two groups of connecting shafts 64 are all rotationally installed on heat preservation box 11, two groups of electric cylinders 65 are respectively installed on two groups of connecting shafts 64, and two groups of electric cylinders 65 are all rotationally connected with sealing cover 62, two groups of springs 66 are respectively installed on two groups of connecting shafts 64;When it works, first, after cleaning vegetable is laid on conveyer belt 26, start motor 23, motor 23 drives the rotation of the convey roller 25 connected therewith by speed reducer 24, convey roller 25 drives the rotation of conveyer belt 26, conveyer belt 26 drives vegetable to be forwarded, the stability of sterilization box 21 is enhanced by setting support 22, steam generator 41 generates superheated steam, start air pump 42, air pump 42 extracts superheated steam through suction pipe 43, then superheated steam is transported into multiple groups of spray heads 45 through first gas pipe 44, multiple groups of spray heads 45 spray superheated steam to sterilize and disinfect vegetable, superheated steam can kill most microorganisms in vegetable in short time, improve sterilization efficiency, convey roller 25 drives the rotation of pulley 32, pulley 32 drives another group of pulley 32 and driven shaft 31 to rotate through belt 33, driven shaft 31 drives the rotation of gear 36 connected therewith, two groups of gear 36 meshing transmission, gear 36 drives the rotation of shaft 34 and five groups of push plate 35, push plate 35 delivers sterilized vegetable on conveyer belt 26 into the cavity of heat preservation box 11, sterilized vegetable is delivered into the cavity of heat preservation box 11 and falls on heating plate 12, vegetable slides downward between four groups of heating plates 12, and ultraviolet light sterilization and disinfection are carried out on vegetable by purple light 13, four groups of heating plates 12 can extend the time of vegetable being irradiated by purple light 13 while drying vegetable, heating plate 12 dries vegetable, and water vapor generated by drying is transported into filter heater 51 through exhaust pipe 52, superheated steam after sterilization in sterilization box 21 is transported into filter heater 51 through return pipe 54, first check valve 53 and second check valve 55 are arranged to avoid steam flowing in reverse, filter heater 51 filters and heats the transported steam, and superheated steam is generated by heating water vapor, superheated steam is transported into suction pipe 43 through second gas pipe 56, improve energy utilization rate, when vegetable is accumulated on the lowermost heating plate 12, extrude pressure plate 63, when pressure plate 63 detects certain pressure, two groups of electric cylinders 65 are started through electric signal, two groups of electric cylinders 65 are elongated and push sealing cover 62 outward, open sealing cover 62 to facilitate vegetable to discharge from discharge port, after vegetable is discharged, two groups of springs 66 rebound and pull sealing cover 62 to block the discharge port of heat preservation box 11, extend the time of vegetable being disinfected by purple light 13.

[0023] The motor 23, the speed reducer 24, the steam generator 41 and the air pump 42 are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0024] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary technical personnel in the technical field, without departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection range of the utility model.

Claims

1. A disinfection device of an automatic production line of dehydrated vegetables, comprising a drying mechanism (01); characterized in that, It also includes conveying mechanism (02), delivery mechanism (03), sterilization mechanism (04), recycling mechanism (05) and discharge mechanism (06), conveying mechanism (02) is installed on drying mechanism (01) and forwards vegetables, delivery mechanism (03) is installed on conveying mechanism (02) and pushes vegetables into drying mechanism (01), sterilization mechanism (04) is installed on conveying mechanism (02) and carries out overheat steam sterilization to vegetables, recycling mechanism (05) is installed on sterilization mechanism (04) and filters and heats steam, discharge mechanism (06) is installed on drying mechanism (01) and facilitates the discharge of dehydrated vegetables.

2. The sterilizing apparatus for an automatic production line of dehydrated vegetables according to claim 1, wherein Drying mechanism (01) includes heat preservation box (11), four groups of heating plates (12) and purple light lamp (13), the bottom end of heat preservation box (11) is connected with working surface, the inside of heat preservation box (11) is provided with cavity, heat preservation box (11) is provided with feed inlet and discharge port, four groups of heating plates (12) are all installed in the cavity of heat preservation box (11) and are inclined, and purple light lamp (13) is installed in the cavity of heat preservation box (11).

3. The sterilizing apparatus of an automatic production line of dehydrated vegetables according to claim 2, wherein Conveying mechanism (02) includes sterilization box (21), support (22), motor (23), speed reducer (24), two groups of conveying rollers (25) and conveying belt (26), sterilization box (21) is installed on heat preservation box (11), the inside of sterilization box (21) is provided with inner cavity and is connected with the inside of the feed inlet of heat preservation box (11), support (22) is installed on heat preservation box (11) and is connected with the bottom end of sterilization box (21), motor (23) is installed on heat preservation box (11), speed reducer (24) is installed on heat preservation box (11), two groups of conveying rollers (25) are all rotatably installed in the inner cavity of sterilization box (21), and one of the two groups of conveying rollers (25) is in transmission connection with speed reducer (24), and conveying belt (26) is tightly installed between the two groups of conveying rollers (25).

4. The sterilizing apparatus of an automatic production line of dehydrated vegetables according to claim 3, wherein Delivery mechanism (03) includes driven shaft (31), two groups of belt pulleys (32), belt (33), rotating shaft (34), five groups of push plates (35) and two groups of gears (36), driven shaft (31) is rotatably installed on sterilization box (21), two groups of belt pulleys (32) are installed on driven shaft (31) and conveying roller (25) respectively, belt (33) is tightly installed between the two groups of belt pulleys (32), rotating shaft (34) is rotatably installed in the inner cavity of sterilization box (21), five groups of push plates (35) are all installed on rotating shaft (34), and two groups of gears (36) are installed on driven shaft (31) and rotating shaft (34) respectively.

5. The sterilizing apparatus of an automatic production line of dehydrated vegetables according to claim 3, wherein The sterilization mechanism (04) comprises a steam generator (41), an air pump (42), a suction pipe (43), a first air conveying pipe (44) and a plurality of groups of spray heads (45). The bottom end of the steam generator (41) is connected with the top end of the heat preservation box (11). The bottom end of the air pump (42) is connected with the top end of the heat preservation box (11). The suction pipe (43) is installed on the air pump (42) and communicates with the inside of the steam generator (41). The first air conveying pipe (44) is installed on the air pump (42). The plurality of groups of spray heads (45) are all installed at the top end inside the inner cavity of the sterilization box (21) and communicate with the inside of the first air conveying pipe (44).

6. The sterilizing apparatus of an automatic production line of dehydrated vegetables according to claim 5, wherein The recovery mechanism (05) comprises a filter heater (51), an exhaust pipe (52), a first check valve (53), a backflow pipe (54), a second check valve (55) and a second air conveying pipe (56). The bottom end of the filter heater (51) is connected with the top end of the heat preservation box (11). The exhaust pipe (52) is installed on the filter heater (51) and communicates with the inside of the cavity of the heat preservation box (11). The first check valve (53) is installed on the exhaust pipe (52). The backflow pipe (54) is installed on the filter heater (51) and communicates with the inside of the inner cavity of the sterilization box (21). The second check valve (55) is installed on the backflow pipe (54). The second air conveying pipe (56) is installed on the filter heater (51) and communicates with the inside of the suction pipe (43).

7. The sterilizing apparatus for an automatic production line of dehydrated vegetables according to claim 2, wherein The discharging mechanism (06) comprises a hinge (61), a sealing cover (62), a pressure plate (63), two groups of connecting shafts (64), two groups of electric cylinders (65) and two groups of springs (66). The hinge (61) is installed at the discharging port of the heat preservation box (11). The sealing cover (62) is installed on the hinge (61). The pressure plate (63) is installed on the inner side of the sealing cover (62). The two groups of connecting shafts (64) are both rotationally installed on the heat preservation box (11). The two groups of electric cylinders (65) are respectively installed on the two groups of connecting shafts (64) and are both rotationally connected with the sealing cover (62). The two groups of springs (66) are respectively installed on the two groups of connecting shafts (64).

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