CN114451567A - Pineapple low-pressure superheated steam energy-saving drying device and process - Google Patents
Pineapple low-pressure superheated steam energy-saving drying device and process Download PDFInfo
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- CN114451567A CN114451567A CN202111579157.0A CN202111579157A CN114451567A CN 114451567 A CN114451567 A CN 114451567A CN 202111579157 A CN202111579157 A CN 202111579157A CN 114451567 A CN114451567 A CN 114451567A
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- 241000234671 Ananas Species 0.000 title claims abstract description 77
- 235000007119 Ananas comosus Nutrition 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000008569 process Effects 0.000 title abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N12/00—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts
- A23N12/08—Machines for cleaning, blanching, drying or roasting fruits or vegetables, e.g. coffee, cocoa, nuts for drying or roasting
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/03—Products from fruits or vegetables; Preparation or treatment thereof consisting of whole pieces or fragments without mashing the original pieces
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a low-pressure superheated steam energy-saving drying device and process for pineapples, and the device comprises a drying box, wherein a superheated steam generating device is fixedly installed on one side of the drying box, a water storage box is arranged on the other side of the drying box, a water outlet pipe opening is formed in the side surface of the water storage box and used for being connected with a buffer tank and a vacuum pump, a door frame is embedded in the surface of the drying box, a sealing door is hinged to the surface of the door frame, a ceiling is fixedly installed at the top of the drying box, and a pipe fastener is installed at the bottom of the inner wall of the drying box. This energy-conserving generating device of overheated steam drying system of pineapple low pressure and technology through setting up the slide, utilizes the slide rail to lead to the slide, makes the slide can directly follow the inside roll-off of drying cabinet, avoids staff and drying cabinet inner wall contact, can change the pineapple piece of stoving completion fast, promotes drying efficiency.
Description
Technical Field
The invention relates to the technical field of pineapple drying equipment, in particular to a low-pressure superheated steam energy-saving drying device and process for pineapples.
Background
Pineapple, also called pineapple, is rich in nutrition, contains a large amount of fructose, glucose, vitamins and other substances, has the effects of clearing summer heat, quenching thirst, promoting digestion, relieving diarrhea, beautifying and slimming and the like, is one of the world important fruits, and a large amount of pineapple can be made into dried fruits and preserved fruits in the seasons which are produced each year for convenient storage.
The in-process of dried pineapple needs through the processing of multiple processing technology at the manufacturing, wherein drying process involves the taste and the storage of finished product, but current drying device is when drying the pineapple, need the staff to place and take out the pineapple piece in inside realization of drying cabinet, and not only bring the bacterium into wherein easily at this in-process, influence the recycling of drying cabinet, still need prevent that the staff from being burnt by the drying cabinet inner wall, and the inside dry media import of current drying cabinet is single, can't consider all pineapple pieces in the drying cabinet, it is inhomogeneous to lead to the dried pineapple water content in different positions in the drying cabinet easily, the very big finished product quality that has influenced dried pineapple.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the energy-saving drying device and process for the pineapples by using low-pressure superheated steam, which have the advantages of being convenient for placing and collecting the dried pineapples and uniformly drying the pineapple slices, and solve the problems that in the existing drying box, during working, workers place and take the dried pineapples out of the existing drying box, the operation is inconvenient, and the pineapple slices are not uniformly dried.
The invention provides the following technical scheme:
the utility model provides an energy-conserving drying device of overheated steam of pineapple low pressure and technology, includes the drying cabinet, one side fixed mounting of drying cabinet has overheated steam generating device, the opposite side of drying cabinet is provided with the water storage box, the side of water storage box is provided with the outlet pipe mouth and is used for being connected with buffer tank and vacuum pump, the surface mosaic of drying cabinet has the door frame, the surface of door frame articulates there is sealing door, the top fixed mounting of drying cabinet has the ceiling, the pipe fastener is installed to the bottom of drying cabinet inner wall, the drying cabinet has the steam pipe through pipe fastener fixed mounting, the inner wall fixed mounting of drying cabinet has branch, the one end that the drying cabinet inner wall was kept away from to branch and the side fixed mounting of door frame, the side of branch is provided with the draw runner, the surface sliding connection of draw runner has the slide, the one end fixed mounting of slide has first baffle, the material conveying device is characterized in that a second baffle is fixedly mounted at the other end of the sliding seat, a sliding rod is welded between the first baffle and the second baffle, a vertical plate is sleeved on the surface of the sliding rod in a sliding mode, a material bearing tray is lapped on the top of the vertical plate, a connecting rod assembly is fixedly mounted on the side face of the vertical plate, a rotating rod is rotatably connected to the side face of the second baffle, and an adjusting plate is fixedly mounted at one end, far away from the second baffle, of the rotating rod and penetrates through the vertical plate and the first baffle respectively.
And the top of the superheated steam generator is provided with a circulating pipe, and the top end of the circulating pipe penetrates through the drying box and is communicated with the inside of the drying box.
And the top of the inner wall of the drying box is welded with a beam frame, the upper surface of the beam frame is lapped with absorbent cotton, and the absorbent cotton is positioned below the ceiling.
Moreover, the roof beam structure is slope form, the inner wall welding of water storage box has the rack, and the rack is located the bottom on roof beam structure slope.
And the surface of the steam pipe is provided with a plurality of steam outlet pipe openings, and the positions of the steam outlet pipe openings correspond to the positions of the material bearing trays.
Moreover, the connecting rod assembly comprises a first connecting rod, a first groove and a second groove are formed in the two ends of the first connecting rod respectively, the inner wall of the first groove is connected with the adapter through a rotating shaft in a rotating mode, the adapter is fixedly installed on the side face of the vertical plate, the inner wall of the second groove is connected with the adapter through a rotating shaft in a rotating mode, and one end, far away from the first connecting rod, of the adapter is connected with a second connecting rod in a rotating mode.
Moreover, the surface of the rotating rod is provided with threads, and the threads on the surface of the rotating rod are three-quarters of the length of the rotating rod.
The low-pressure superheated steam energy-saving drying process for pineapples specifically comprises the following steps:
step 1: cleaning the pineapple which is selected to have good appearance, no dent, no mechanical damage on the surface of the fruit, no disease spot and insect pest on the fruit and 7-8 maturity, peeling, removing the core, and cutting into slices with uniform thickness. Because the pineapple is dried and researched by selecting a low-pressure superheated steam drying mode, the drying environment is not influenced by oxygen, and therefore, the antioxidant pretreatment is not carried out on a fresh sample by adding a VC reagent. Uniformly arranging the pineapple slices in a material bearing tray;
step 2: checking and discharging residual moisture in the water storage tank, opening the sealing door, drawing out the slide seat by pulling the adjusting disc, rotating the adjusting disc to enable the rotating rod to rotate, driving the vertical plate to move by using the rotating rod to enable the connecting rod assembly to be folded and contracted, sequentially placing the material bearing trays at the top of the vertical plate, reversely rotating the adjusting disc, just placing four material bearing trays when the vertical plate is in lap joint with the second baffle plate, and finally pushing the adjusting disc to enable the slide seat to slide into the drying tank and cover the door frame;
and step 3: opening a vacuum pump connected with a water outlet pipe opening on the side surface of the water storage tank, reducing the internal pressure of the drying box to a target drying pressure, and simultaneously opening a superheated steam generating device on the left side of the drying box to continuously introduce superheated steam into the drying box to contact with the surfaces of the pineapple slices in the material bearing tray to remove moisture; and (3) when the pineapple slices in the drying oven are dried to the target moisture content, destroying the vacuum environment of the drying device, and feeding the next batch of fresh pineapples to dry after the dried pineapple slices are collected.
And after contacting with the pineapples, the superheated steam carries water vapor to rise, part of the superheated steam enters the circulating pipe to be superheated again, part of the superheated steam contacts with the top absorbent cotton, and the superheated steam is collected in the water storage tank along with the drying process.
And, the part that the drying chamber was taken out to the slide is half of its own length, and the slide is a plurality of square poles and slide rail welding.
Compared with the prior art, the invention has the following beneficial effects:
1. this energy-conserving drying device of overheated steam of pineapple low pressure through setting up the slide, utilizes the slide rail to lead to the slide, makes the slide can directly follow the inside roll-off of drying cabinet, avoids the staff to place and collects the pineapple and is burnt by the drying cabinet inner wall futilely, can change the pineapple piece of stoving completion fast, promotes drying efficiency.
2. According to the energy-saving drying device and process for the pineapple low-pressure superheated steam, the circulating pipe is arranged, so that the secondary steam enters the superheated steam generating device again for superheating, the waste heat in the secondary steam is effectively utilized, and the energy consumption is saved.
3. This energy-conserving drying device of pineapple low pressure superheated steam and technology, through setting up steam pipe and a plurality of steam outlet pipe mouth, set up a plurality of steam outlet pipe mouth's position respectively under every material bears the tray again, when drying device operation, superheated steam can directly dry the pineapple piece on bearing the tray to the material through a plurality of steam outlet pipe mouth, makes the pineapple piece dry more evenly, and then has improved the finished product quality of pineapple piece.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the top of the drying box of the present invention in an expanded configuration;
FIG. 3 is a schematic structural view of the bottom section of the drying oven according to the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
FIG. 5 is a schematic view of the present invention in an expanded configuration;
FIG. 6 is a schematic view of the overall structure of the slider according to the present invention;
FIG. 7 is a schematic view of the internal structure of the slider according to the present invention;
FIG. 8 is a schematic view of the slider of the present invention in a retracted configuration;
FIG. 9 is a cross-sectional structural schematic view of a connecting rod assembly of the present invention.
Description of the reference numerals
1. A drying oven; 2. a superheated steam generator; 3. a circulation pipe; 4. a ceiling; 5. a door frame; 6. a sealing door; 7. a water storage tank; 8. a water outlet pipe orifice; 9. a beam frame; 10. absorbent cotton; 11. a net frame; 12. a pipe fastener; 13. a steam pipe; 14. a steam outlet pipe orifice; 15. a strut; 16. a slide base; 17. a first baffle plate; 18. a material carrying tray; 19. an adjusting disk; 20. a slide bar; 21. a vertical plate; 22. a slide rail; 23. a second baffle; 24. a connecting rod assembly; 25. a rotating rod; 241. a first link; 242. a first groove; 243. a second groove; 244. a transfer seat; 245. an adapter; 246. a second link.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An energy-saving generating device of a pineapple superheated steam drying system comprises a drying box 1, wherein a steam generating device 2 is fixedly installed on one side of the drying box 1, a water storage box 7 is arranged on the other side of the drying box 1, a water outlet pipe opening is formed in the side face of the water storage box and is used for being connected with a buffer tank and a vacuum pump, a door frame 5 is inlaid on the surface of the drying box 1, a sealing door 6 is hinged to the surface of the door frame 5, a ceiling 4 is fixedly installed at the top of the drying box 1, a pipe fastener 12 is installed at the bottom of the inner wall of the drying box 1, a steam pipe 13 is fixedly installed on the drying box 1 through the pipe fastener 12, a support rod 15 is fixedly installed on the inner wall of the drying box 1, one end, far away from the inner wall of the drying box 1, of the support rod 15 is fixedly installed with the side face of the door frame 5, a sliding strip 22 is arranged on the side face of the support rod 15, a sliding seat 16 is connected with the sliding seat 22 in a sliding manner, a first baffle plate 17 is fixedly installed at one end of the sliding seat 16, a second baffle plate 23 is fixedly installed at the other end of the sliding seat 16, the welding has slide bar 20 between first baffle 17 and the second baffle 23, and the surface slip of slide bar 20 has cup jointed riser 21, and the top overlap joint of riser 21 has stoving net dish 18, and the side fixed mounting of riser 21 has link assembly 24, and the side of second baffle 23 is rotated and is connected with bull stick 25, and the one end that second baffle 23 was kept away from to bull stick 25 runs through riser 21 and first baffle 17 respectively and fixed mounting has adjusting disk 19.
The top of the superheated steam generating device 2 is provided with a circulating pipe 3, and the top end of the circulating pipe 3 penetrates through the drying box 1 and is communicated with the inside of the drying box 1; through communicating circulating pipe 3 with the inside of drying cabinet 1, when the inside part superheated steam of drying cabinet 1 upwards floats after taking away moisture with pineapple piece surface contact, can get back to in superheated steam generating device 2 through circulating pipe 3, get into drying cabinet 1 once more after superheated steam generating device 2 heats, carry out cyclic utilization to the secondary steam, practice thrift the energy consumption.
The top of the inner wall of the drying box 1 is welded with a beam frame 9, the upper surface of the beam frame 9 is lapped with water-absorbing cotton 10, and the water-absorbing cotton 10 is positioned below the ceiling 4; through setting up cotton 10 that absorbs water, when the inside another part superheated steam of drying cabinet 1 upwards floated after taking away moisture with pineapple piece surface contact, cotton 10 that absorbs water can absorb a large amount of moisture that contains heat, makes a large amount of heats can keep staying in drying cabinet 1, has further increased whole drying device's energy-conserving effect.
The beam frame 9 is in a slope shape, the net rack 11 is welded on the inner wall of the water storage tank 7, and the net rack 11 is located at the bottom end of the slope of the beam frame 9. When the moisture contained in the absorbent cotton 10 reaches a certain degree, the moisture can be directly guided to the net rack 11 through the slope-shaped beam frame 9, and then the moisture enters the water storage tank 7 through the net rack 11.
The surface of the steam pipe 13 is provided with a plurality of steam outlet pipe openings 14, and the positions of the steam outlet pipe openings 14 correspond to the positions of the material bearing tray 18. Through steam outlet pipe mouth 14 and material bearing tray 18 position corresponding, when superheated steam generating device 2 began the operation, steam can directly carry the pineapple piece on the tray 18 to the material through steam outlet pipe mouth 14 and dry, makes the pineapple piece dry more evenly.
The connecting rod assembly 24 comprises a first connecting rod 241, a first groove 242 and a second groove 243 are respectively formed in two ends of the first connecting rod 241, an adapter 244 is rotatably connected to the inner wall of the first groove 242 through a rotating shaft, the adapter 244 is fixedly installed on the side face of the vertical plate 21, an adapter 245 is rotatably connected to the inner wall of the second groove 243 through a rotating shaft, and a second connecting rod 246 is rotatably connected to one end, far away from the first connecting rod 241, of the adapter 245. Through the arrangement of the connecting rod assembly 24, when the rotating rod 25 rotates along with the adjusting disc 19, the connecting rod assembly 24 can be contracted or stretched along with the movement of the vertical plates 21, so that the vertical plates 21 can be linked along with the rotation of the rotating rod 25 conveniently, and the distance between the vertical plates 21 can be controlled.
The surface of the rotary rod 25 is provided with a thread and the surface of the rotary rod 25 is threaded three quarters of its own length. The rotating rod 25 drives the vertical plate 21 to move through the three-quarter threads, and the rest part of the rotating rod can facilitate the vertical plate 21 to be contracted and folded, so that the distance for the sliding seat 16 to slide out of the drying box 1 is reduced.
The low-pressure superheated steam energy-saving drying process for pineapples specifically comprises the following steps:
step 1: cleaning the pineapple which is selected to have good appearance, no dent, no mechanical damage on the surface of the fruit, no disease spot and insect pest on the fruit and 7-8 maturity, peeling, removing the core, and cutting into slices with uniform thickness. Because the pineapple is dried and researched by selecting a low-pressure superheated steam drying mode, the drying environment is not influenced by oxygen, and therefore, the antioxidant pretreatment is not carried out on a fresh sample by adding a VC reagent. The pineapple slices are uniformly arranged in a material bearing tray 18;
step 2: checking and discharging residual moisture in the water storage tank 7, then opening the sealing door 6, drawing out the slide carriage 16 by pulling the adjusting disc 19, then rotating the adjusting disc 19 to enable the rotating rod 25 to rotate, utilizing the rotating rod 25 to drive the vertical plate 21 to move, enabling the connecting rod assembly 24 to be folded and contracted, then sequentially placing the material bearing trays 18 on the top of the vertical plate 21, reversely rotating the adjusting disc 19, just placing four material bearing trays 18 when the vertical plate 21 is overlapped with the second baffle plate 23, and finally pushing the adjusting disc 19 to enable the slide carriage 16 to slide into the drying box 1 and cover the door frame 5;
and step 3: and (3) starting a vacuum pump connected with a water outlet pipe opening 8 on the side surface of the water storage tank 7 to reduce the internal pressure of the drying box 1 to a target drying pressure, and simultaneously starting the superheated steam generating device 2 on the left side of the drying box 1 to continuously introduce superheated steam into the drying box to contact with the surfaces of the pineapple slices in the material bearing tray 18 to remove moisture. And (3) when the pineapple slices in the drying box 1 are dried to reach the target water content, destroying the vacuum environment of the drying device, and feeding the next batch of fresh pineapples after collecting the dried pineapple slices for drying.
After contacting with the pineapples, the superheated steam carries water vapor, part of the superheated steam enters the circulating pipe 3 in the rising process and is superheated again, part of the superheated steam contacts with the top absorbent cotton 10, and the superheated steam is collected in the water storage tank 7 along with the drying process.
The part of the slide 16 drawn out of the drying chamber 1 is half of its own length, and the slide 16 is a plurality of square bars welded with slide rails. The distance of the slide 16 taken out is reduced, a single person can conveniently operate the slide 16, and the stable structure of the slide 16 can be ensured by welding a plurality of square rods and the slide rails.
The working principle of the invention is as follows:
after the pineapple slices are subjected to the preliminary treatment process, the sealing door 6 is opened, the sliding seat 16 is drawn out from the drying box 1, then the adjusting disc 19 is rotated, the rotating rod 25 drives the vertical plate 21 to move along with the rotation of the adjusting disc 19, the connecting rod assembly 24 drives the vertical plate 21 to fold, then the pineapple slices are arranged in the material bearing tray 18, the adjusting disc 19 is rotated reversely to unfold the connecting rod assembly 24, the material bearing trays 18 are sequentially placed above the vertical plate 21, when the side surface of the vertical plate 21 is overlapped with the second baffle plate 23, the four material bearing trays 18 can be just placed at the top of the vertical plate 21, then the sliding seat 16 is pushed into the drying box 1 and the sealing door 6 is closed, the vacuum pump connected with the water outlet pipe opening 8 on the side surface of the water storage box 7 is started, the internal pressure of the drying box is reduced to the target drying pressure, meanwhile, the superheated steam generating device 2 is opened, and the superheated steam is sent into the steam pipe 13 along with the start of the superheated steam generating device 2, later steam outlet pipe mouth 14 can be spouted steam to a plurality of material and bear tray 18, carry out the drying to the pineapple piece, superheated steam upwards floats after taking away moisture with the contact of pineapple piece surface, cotton 10 that absorbs water can absorb the moisture in partial secondary steam and keep a large amount of heat, treat that the moisture in the cotton 10 that absorbs water reaches certain degree after, moisture can flow into water storage tank 7 through rack 11, and another part secondary steam then can get into superheated steam generating device 2 through circulating pipe 3 in, through superheated steam generating device 2 heating once more and send into drying cabinet 1, accomplish the steam cycle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an energy-conserving drying device of pineapple low pressure superheated steam, includes drying cabinet (1), its characterized in that: one side of the drying box (1) is fixedly provided with an overheated steam generating device (2), the other side of the drying box (1) is provided with a water storage box (7), the side of the water storage box (7) is provided with a water outlet (8), the water outlet (8) is connected with a buffer tank and a vacuum pump, the surface of the drying box (1) is inlaid with a door frame (5), the surface of the door frame (5) is hinged with a sealing door (6), the top of the drying box (1) is fixedly provided with a ceiling (4), the bottom of the inner wall of the drying box (1) is provided with a pipe fastener (12), the drying box (1) is fixedly provided with a steam pipe (13) through the pipe fastener (12), the inner wall of the drying box (1) is fixedly provided with a support rod (15), one end of the inner wall of the drying box (1) is far away from the support rod (15) and the side fixed installation of the door frame (5), the utility model discloses a drying machine, including branch (15), slide bar (22), riser (21), drying net dish (18), side fixed mounting of riser (21), link assembly (24) are connected with the side of branch (15) and the surperficial sliding connection of slide bar (22) has slide (16), the one end fixed mounting of slide (16) has first baffle (17), the other end fixed mounting of slide (16) has second baffle (23), slide bar (20) have been welded between first baffle (17) and second baffle (23), the surface slip of slide bar (20) has cup jointed riser (21), the top overlap joint of riser (21) has drying net dish (18), the side fixed mounting of riser (21) has link assembly (24), the side of second baffle (23) is rotated and is connected with bull stick (25), the one end that second baffle (23) were kept away from in bull stick (25) runs through riser (21) and first baffle (17) and fixed mounting has adjusting disk (19) respectively.
2. The low-pressure superheated steam energy-saving drying device for pineapples according to claim 1, is characterized in that: the top of the superheated steam generating device (2) is provided with a circulating pipe (3), and the top end of the circulating pipe (3) penetrates through the drying box (1) and is communicated with the inside of the drying box (1).
3. The low-pressure superheated steam energy-saving drying device for pineapples according to claim 1, is characterized in that: the drying cabinet is characterized in that a beam frame (9) is welded at the top of the inner wall of the drying cabinet (1), absorbent cotton (10) is lapped on the upper surface of the beam frame (9), and the absorbent cotton (10) is located below the ceiling (4).
4. The low-pressure superheated steam energy-saving drying device for pineapples according to claim 1, is characterized in that: roof beam structure (9) are slope form, the inner wall welding of water storage box (7) has rack (11), and rack (11) are located the bottom on roof beam structure (9) slope.
5. The low-pressure superheated steam energy-saving drying device for pineapples according to claim 1, is characterized in that: the surface of the steam pipe (13) is provided with a plurality of steam outlet pipe openings (14), and the positions of the steam outlet pipe openings (14) correspond to the position of the material bearing tray (18).
6. The low-pressure superheated steam energy-saving drying device for pineapples according to claim 1, is characterized in that: the connecting rod assembly (24) comprises a first connecting rod (241), a first groove (242) and a second groove (243) are respectively formed in two ends of the first connecting rod (241), the inner wall of the first groove (242) is rotatably connected with an adapter (244) through a rotating shaft, the adapter (244) is fixedly installed on the side face of the vertical plate (21), the inner wall of the second groove (243) is rotatably connected with an adapter (245) through the rotating shaft, and one end, far away from the first connecting rod (241), of the adapter (245) is rotatably connected with a second connecting rod (246).
7. The low-pressure superheated steam energy-saving drying device for pineapples according to claim 1, is characterized in that: the surface of the rotating rod (25) is provided with threads, and the threads on the surface of the rotating rod (25) are three-quarters of the length of the rotating rod.
8. The low-pressure superheated steam energy-saving drying process for the pineapples according to claims 1-7, is characterized in that: the method specifically comprises the following steps:
step 1: selecting pineapples with good appearance, no dents, no mechanical damage on the surfaces of the fruits, no disease spots and insect pests on the fruits and maturity of 7-8, cleaning, peeling and coring the pineapples, cutting the pineapples into pineapple slices with uniform thickness, and uniformly arranging the pineapple slices in a material bearing tray (18);
step 2: checking and discharging residual moisture in the water storage tank (7), then opening the sealing door (6), drawing out the sliding seat (16) by pulling the adjusting disc (19), then rotating the adjusting disc (19) to enable the rotating rod (25) to rotate, utilizing the rotating rod (25) to drive the vertical plate (21) to move, enabling the connecting rod assembly (24) to be folded and contracted, then sequentially placing the material bearing trays (18) on the top of the vertical plate (21), reversely rotating the adjusting disc (19), just placing four material bearing trays (18) when the vertical plate (21) is overlapped with the second baffle plate (23), and finally pushing the adjusting disc (19) to enable the sliding seat (16) to slide into the drying box (1) and cover the door frame (5);
and step 3: opening a vacuum pump connected with a water outlet pipe opening (8) on the side surface of the water storage tank (7), reducing the internal pressure of the drying box (1) to a target drying pressure, and simultaneously opening a superheated steam generating device (2) on the left side of the drying box (1) to continuously introduce superheated steam into the drying box to contact with the surfaces of the pineapple slices in the material bearing tray (18) to remove moisture; and (3) when the pineapple slices in the drying box (1) are dried to the target water content, destroying the vacuum environment of the drying device, and feeding the fresh pineapples in the next batch for drying after the dried pineapple slices are collected.
9. The low-pressure superheated steam energy-saving drying process for pineapples according to claim 8, is characterized in that: after contacting with the pineapples, the superheated steam carries water vapor to rise, part of the superheated steam enters the circulating pipe (3) to be superheated again, part of the superheated steam contacts with the top absorbent cotton (10), and the superheated steam is collected in the water storage tank (7) along with the drying process.
10. The low-pressure superheated steam energy-saving drying process for pineapples according to claim 8, is characterized in that: the part of the sliding seat (16) drawn out of the drying box (1) is half of the length of the sliding seat, and the sliding seat (16) is formed by welding a plurality of square rods and sliding rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111579157.0A CN114451567A (en) | 2021-12-22 | 2021-12-22 | Pineapple low-pressure superheated steam energy-saving drying device and process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111579157.0A CN114451567A (en) | 2021-12-22 | 2021-12-22 | Pineapple low-pressure superheated steam energy-saving drying device and process |
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