CN111700108A - Blueberry film coating machine with high-voltage electric field sterilization device - Google Patents
Blueberry film coating machine with high-voltage electric field sterilization device Download PDFInfo
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- CN111700108A CN111700108A CN202010400629.0A CN202010400629A CN111700108A CN 111700108 A CN111700108 A CN 111700108A CN 202010400629 A CN202010400629 A CN 202010400629A CN 111700108 A CN111700108 A CN 111700108A
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- 235000003095 Vaccinium corymbosum Nutrition 0.000 title claims abstract description 56
- 235000017537 Vaccinium myrtillus Nutrition 0.000 title claims abstract description 56
- 235000021014 blueberries Nutrition 0.000 title claims abstract description 56
- 230000005684 electric field Effects 0.000 title claims abstract description 48
- 239000007888 film coating Substances 0.000 title claims abstract description 26
- 238000009501 film coating Methods 0.000 title claims abstract description 26
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 20
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 17
- 244000077233 Vaccinium uliginosum Species 0.000 title description 2
- 240000000851 Vaccinium corymbosum Species 0.000 claims abstract description 54
- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000003618 dip coating Methods 0.000 claims abstract description 34
- 238000007605 air drying Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 19
- 239000011248 coating agent Substances 0.000 claims description 15
- 238000000576 coating method Methods 0.000 claims description 15
- 229920001817 Agar Polymers 0.000 claims description 10
- 229920001661 Chitosan Polymers 0.000 claims description 10
- 239000008272 agar Substances 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims 1
- 235000013399 edible fruits Nutrition 0.000 abstract description 14
- 244000005700 microbiome Species 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000003385 bacteriostatic effect Effects 0.000 abstract description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
- -1 oxygen ions Chemical class 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000005002 finish coating Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/16—Coating with a protective layer; Compositions or apparatus therefor
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B7/00—Preservation or chemical ripening of fruit or vegetables
- A23B7/14—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10
- A23B7/144—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B7/152—Preserving or ripening with chemicals not covered by groups A23B7/08 or A23B7/10 in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O ; Elimination of such other gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/32—Belts or like endless load-carriers made of rubber or plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a blueberry film coating machine with a high-voltage electric field sterilization device, and relates to the technical field of fruit processing equipment. The method specifically comprises the following steps: the device comprises a feeding groove, a feeding buffer device, a dip coating groove, a first conveying device, a second conveying device, an air drying device and a high-voltage electric field generating device. The feeding groove is connected with the first conveying device by virtue of a feeding buffer device; the upper surface of the first conveying device is in an inner arc shape, and part of the first conveying device passes through a dip coating tank arranged in the first conveying device during operation; the tail end of the first conveying device is connected with the second conveying device to control the flowing water type transmission of materials; the air drying device and the high-voltage electric field generating device are integrated and are arranged at the middle section of the second conveying device. The high-voltage electric field generating device can ionize air when high voltage is input, generate substances with bacteriostatic functions such as ozone and negative oxygen ions, effectively kill mildew and rot microorganisms in a short time, control the number of microorganisms on the surface of the coated blueberries to be at a lower level, and prolong the shelf life.
Description
Technical Field
The invention relates to the technical field of fruit processing equipment, in particular to a blueberry film coating machine with a high-voltage electric field sterilization device.
Background
After fresh blueberries are picked, the blueberries are extremely easy to over-mature and go bad during storage and transportation, the edible and economic values of the blueberries are lost, and a large amount of waste is caused, so that the blueberries are usually subjected to external treatment during storage and transportation, and the aging and spoilage rate is slowed down. By reducing the ambient temperature and changing the gas composition in the storage, these methods can reduce the respiration intensity of the fruit and achieve a certain degree of freshness-retaining effect. However, the single preservation mode still has certain defects, so that an effective additional preservation technology has important value for further prolonging the shelf life.
The surface of the fruit is coated with a film, which is an efficient and feasible fresh-keeping technology, and a semi-permeable film is covered on the surface to establish a protective barrier and reduce the respiration intensity of the fruit, so that the effects of delaying putrefaction and prolonging the shelf life can be achieved. The invention patent with the application number of CN 209749654U discloses a film coating machine for fruit preservation, which is used for coating a film coating liquid on the surface of a fruit by the fruit passing through a dip coating groove filled with the film coating liquid and then drying the film coating liquid by a fan. The coating machine is difficult to ensure that the surface of the fruit is completely covered with the coating liquid in the working process, the components of the coating liquid are not reasonably proportioned, and the coated fruit is not subjected to secondary treatment, so that the fruit is difficult to ensure to be in a clean state. Therefore, the research on the blueberry film coating machine with the high-voltage electric field sterilization device can further improve the existing film coating preservation technology.
Disclosure of Invention
The invention aims to design a blueberry film coating machine with a high-voltage electric field sterilization device, which can effectively coat a film coating liquid on the surfaces of fruits uniformly, and sterilize the coated fruits through the high-voltage electric field device while air drying, so that secondary pollution of microorganisms after film coating is avoided. The invention has remarkable effects on improving the working performance of the film coating machine and prolonging the shelf life.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a blueberry coating machine with high-voltage electric field sterilizing equipment specifically includes: the device comprises a feeding groove, a feeding buffer device, a dip coating groove, a first conveying device, a second conveying device, an air drying device and a high-voltage electric field generating device. The feeding groove is connected with the first conveying device by virtue of a feeding buffer device; the upper surface of the first conveying device is in an inner arc shape, and part of the first conveying device passes through a dip coating tank arranged in the first conveying device during operation; the tail end of the first conveying device is connected with the second conveying device to control the flowing water type transmission of materials; the air drying device and the high-voltage electric field generating device are integrated and are arranged at the middle section of the second conveying device.
The feed chute is a slope-shaped chute, and a certain space is formed at the bottom of the feed chute to accommodate blueberry hoarding.
The feeding buffer device comprises a transmission mesh belt, a driving chain wheel and a driven chain wheel, and the driving chain wheel and the driven chain wheel are respectively arranged above and below the transmission mesh belt and enable the transmission mesh belt to obliquely tension and rotate; the device is connected behind the feed chute, and the blueberries stocked at the feed inlet are slowly conveyed.
The first conveying device comprises a chain wheel, a chain, a round roller and a tension chain wheel; the round rollers are sequentially and orderly arranged on the chain, the chain is controlled by the chain wheel to move and angle, and the tensioning chain wheel is arranged at the bottom of the chain wheel; the device is connected behind the feeding buffer device, and the blueberries conveyed by the first conveying device are controlled by the tension chain wheel to pass through the dip-coating tank and run in the dip-coating tank, so that the blueberries are wholly immersed in the coating liquid at a certain conveying stage.
The second conveying device comprises a conveying net belt, a driving chain wheel and a driven chain wheel; the driving chain wheels are arranged on two sides of the transmission mesh belt and control the transmission mesh belt to move, and the driven chain wheels are arranged in the middle of the lower transmission mesh belt, so that the whole transmission mesh belt is in an inverted triangle shape; the device is connected behind the first conveyer, and the blueberry is transferred from the first conveyer to the transmission mesh belt of the second conveyer after dip-coating, and the drive sprocket and the driven sprocket control the transmission mesh belt to slowly run.
The air drying device comprises a fan, an air pipe and an air port; an air pipe is respectively inserted into two sides of the fan and is respectively connected with an air port on one side; the tuyere is installed above the second conveying device.
The high-voltage electric field generating device comprises a high-voltage power supply, an insulating layer, a frame, a positive plate and a negative plate; the positive plate and the negative plate are fixed on the frame through an insulating layer and are connected with a high-voltage power supply. The frame of the high-voltage electric field generating device is erected on the second conveying device, so that the transmission mesh belt of the second conveying device passes through the space between the positive plate and the negative plate of the high-voltage electric field generating device.
Further, the aperture of the transmission mesh belt of the feeding buffer device is 1 × 1cm2And meanwhile, a certain included angle is formed between the conveying plane of the feeding buffer device and the horizontal direction, and the blueberries are driven to move upwards to enter the first conveying device.
Furthermore, the dip-coating tank is a cuboid without a cover and is arranged inside the first conveying device, so that the upper half part of the first conveying device penetrates through the dip-coating tank, and the lower half part of the first conveying device is attached to the bottom of the dip-coating tank to rotate.
Further, the coating solution in the dip coating tank comprises an aqueous solution of edible chitosan and agar, wherein the mass ratio of the edible chitosan to the agar is 1: 1, the concentration of the edible chitosan and agar in the mixed solution is 2% (w/v).
Furthermore, the upper half part of the first conveying device is fixed by a tension chain wheel, so that the upper half part of the first conveying device is arc-shaped, and meanwhile, the height of the film liquid in the dip-coating tank is controlled, so that the blueberries can be immersed in the film liquid when being conveyed to the center of the dip-coating tank.
Furthermore, the second conveying device runs at a slow speed, so that the blueberry passes through the high-voltage electric field generating device for 20-30 s.
Furthermore, the air ports of the air drying device are arranged in the front and the back of the high-voltage electric field generating device frame, and the blueberries after being coated can be air-dried before and after entering the frame.
Furthermore, the field intensity between the positive plate and the negative plate (the plate size: 30cm multiplied by 50cm) of the high-voltage electric field generating device is 10-15 kV/cm.
The invention has the beneficial effects that:
the transmission mesh belt material used in the blueberry conveying device has certain elasticity, collision damage to blueberries in the conveying process can be reduced, meanwhile, the mesh structure can effectively fix the blueberries, sliding is prevented, and the transmission efficiency is improved.
The coating liquid used in the invention is prepared from edible chitosan and agar (the mixing ratio is 1: 1, and the concentration of the mixed liquid is 2% (w/v)), so that the mixed liquid has good antibacterial property and coagulability, can be well coated on the surface of blueberries, inhibits the growth of microorganisms, reduces the transpiration of fruits and prolongs the shelf life.
The high-voltage electric field generating device can ionize air when high voltage is input, generate substances with bacteriostatic functions such as ozone and negative oxygen ions, effectively kill mildew and rot microorganisms in a short time, control the number of microorganisms on the surface of the coated blueberries to be at a lower level, and prolong the shelf life.
Drawings
FIG. 1 is a front view of a blueberry film coating machine with a high-voltage electric field sterilization device, which is disclosed by the invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is an enlarged view of a portion B in fig. 1.
The labels in the figures are: the device comprises a feed tank 1, a feed buffer device 2, a conveying mesh belt 21, a driving sprocket 22, a driven sprocket 23, a dip coating tank 3, a first conveying device 4, a sprocket 41, a chain 42, a round roller 43, a tension sprocket 44, a second conveying device 5, a conveying mesh belt 51, a driving sprocket 52, a driven sprocket 53, an air drying device 6, a fan 61, an air pipe 62, an air port 63, an air port 64, a high-voltage electric field generating device 7, a high-voltage power supply 71, an insulating layer 72, an insulating layer 73, a frame 74, a positive plate 75 and a negative plate 76.
Detailed Description
The technical scheme of the invention is clearly and completely described below with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1, the present embodiment provides a blueberry film coating machine with a high-voltage electric field sterilization device, which includes a feeding tank 1, a feeding buffer device 2, an immersion coating tank 3, a first conveying device 4, a second conveying device 5, an air drying device 6 and a high-voltage electric field generation device 7; the feeding groove 1 is connected with a first conveying device 4 by a feeding buffer device 2; the upper surface of the first conveying device 4 is in an inner arc shape, and part of the first conveying device passes through the dip coating tank 3 arranged in the first conveying device during operation; the tail end of the first conveying device 4 is connected with a second conveying device 5 to control the assembly line type transmission of materials; the air drying device 6 and the high-voltage electric field generating device 7 are integrated and are arranged in the middle section of the second conveying device.
As shown in figures 1 and 3, the feeding buffer device 2 comprises a transmission mesh belt 21, a driving chain wheel 22 and a driven chain wheel 23, wherein the driving chain wheel 22 and the driven chain wheel 23 are respectively arranged above and below the transmission mesh belt 21 and are used for tensioning the transmission mesh belt, the feeding groove 1 is connected with the feeding buffer device 2 in an obtuse angle mode to temporarily accumulate the thrown blueberries to be coated, the transmission mesh belt 21 is driven by the driving chain wheel 22 and the driven chain wheel 23 to operate, one end of a first transmission device 4 is connected with the tail end of the feeding buffer device 2, the blueberries are transmitted to a round roller 43 of the first transmission device 4 through the transmission mesh belt 21 of the feeding buffer device 2, and the aperture of the transmission mesh belt of the feeding buffer device 2 is 1 × 1cm2。
As shown in fig. 1 and 2, the first conveyor 4 includes a sprocket 41, a chain 42, a round roller 43, and a tension sprocket 44; the round rollers 43 are sequentially and orderly arranged on the chain 42, the chain 42 is controlled by the chain wheel 41 to move and install at an angle, and the tension chain wheel 44 is arranged at the bottom of the chain wheel 41; the round rollers 43 are inserted on the chain 42 at certain intervals, and the chain 42 is driven by the chain wheel 41 to convey the blueberries to finish coating.
The dip-coating tank 3 is arranged inside the first conveying device 4, the upper half part of the chain 42 and the round roller 43 of the first conveying device 4 are arranged on the dip-coating tank 3, and the rest part of the dip-coating tank 3 penetrates through the bottom of the dip-coating tank 3. The chain 42 fixed by the tension sprocket 44 of the first conveying device 4 is downward in an arc shape in the middle of the dip-coating tank 3, so that the moving round roller 43 is immersed by the coating liquid when passing through the middle of the dip-coating tank 3, the coating on the blueberry surface can be uniformly finished, the coating liquid in the dip-coating tank comprises edible chitosan and agar aqueous solution, and the mass ratio of the edible chitosan to the agar is 1: 1, the concentration of the edible chitosan and agar in the mixed solution is 2% (w/v).
The tail end of the first conveying device 4 is connected with one end of the second conveying device 5, the coated blueberries conveyed by the round roller 43 of the first conveying device 4 are transferred onto a conveying mesh belt 51 of the second conveying device 5 at the connection position, and the conveying mesh belt 51 is driven to run by a driving chain wheel 52 and a driven chain wheel 53.
As shown in fig. 1 and 3, the air drying device 6 includes a blower 61, an air duct 62, an air port 63 and an air port 64; the air pipes 62 are inserted at two sides of the fan 61 and are respectively connected with the air ports 63 and 64. The fan 61 is driven by an axial fan to rotate to generate wind, the wind is brought to the air port 63 and the air port 64 through the air pipe 62, the air port 63 and the air port 64 are arranged on two sides of the rack 74 of the high-voltage electric field generating device 7 and are in a long and flat shape, and the coated blueberries conveyed by the second conveying device 5 can be air-dried before and after passing through the high-voltage electric field generating device.
The high-voltage electric field generating device 7 includes a high-voltage power supply 71, an insulating layer 72, an insulating layer 73, a frame 74, a positive plate 75, and a negative plate 76; the high voltage power supply 71 is installed outside the frame 74, and the frame 74 covers the mesh belt 51 of the second conveyor 5 with a 15cm gap. The insulating layers 72 and 73 are arranged at the upper and lower parts inside the frame 74, the positive plates 75 are arranged on the upper insulating layer 72, the negative plates 76 are arranged on the lower insulating layer 73, and the space between the positive plates and the negative plates is used for accommodating the transmission mesh belt 51 for transporting blueberries to pass through. The two polar plates are connected with a high-voltage power supply, and when the high-voltage power supply is electrified, a high-voltage electric field (the field intensity is 10kV/cm) with stable strength can be formed. By controlling the speed of the transmission mesh belt 51, the coated blueberries can stay in a high-voltage electric field for more than 20s, so that the effect of cleaning and sterilizing the coated blueberries is achieved.
In a preferred embodiment of the invention, the coating liquid is dripped into mixed flora of escherichia coli and staphylococcus aureus, so that a bacteriostatic circle with the diameter of about 10mm can be generated.
Claims (10)
1. The utility model provides a blueberry coating machine with high-voltage electric field sterilizing equipment which characterized in that includes: the device comprises a feeding groove, a feeding buffer device, a dip coating groove, a first conveying device, a second conveying device, an air drying device and a high-voltage electric field generating device; the feeding groove is connected with the first conveying device by virtue of a feeding buffer device; the upper surface of the first conveying device is in an inner arc shape, and part of the first conveying device passes through a dip coating tank arranged in the first conveying device during operation; the tail end of the first conveying device is connected with the second conveying device to control the flowing water type transmission of materials; the air drying device and the high-voltage electric field generating device are integrated and are arranged at the middle section of the second conveying device.
2. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the feeding chute is a slope-shaped chute, and a certain space is formed at the bottom for accommodating blueberry stockpiling;
the feeding buffer device comprises a transmission mesh belt, a driving chain wheel and a driven chain wheel; the driving chain wheel and the driven chain wheel are respectively arranged above and below the transmission mesh belt and enable the transmission mesh belt to obliquely tension and rotate; the device is connected behind the feed chute, and the blueberries stocked at the feed inlet are slowly conveyed.
3. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the first conveying device comprises a chain wheel, a chain, a round roller and a tension chain wheel; the round rollers are sequentially and orderly arranged on the chain, the chain is controlled by the chain wheel to move and angle, and the tensioning chain wheel is arranged at the bottom of the chain wheel; the device is connected behind the feeding buffer device, and the tensioning chain wheel controls the blueberries conveyed by the first conveying device to run in the dip-coating tank when passing through the dip-coating tank, so that the blueberries are completely immersed in the coating liquid at a certain conveying stage;
the second conveying device comprises a conveying net belt, a driving chain wheel and a driven chain wheel; the driving chain wheels are arranged on two sides of the transmission mesh belt and control the transmission mesh belt to move, and the driven chain wheels are arranged in the middle of the lower transmission mesh belt, so that the whole transmission mesh belt is in an inverted triangle shape; the device is connected behind the first conveyer, and the blueberry is transferred from the first conveyer to the transmission mesh belt of the second conveyer after dip-coating, and the drive sprocket and the driven sprocket control the transmission mesh belt to slowly run.
4. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the air drying device comprises a fan, an air pipe and an air port; an air pipe is respectively inserted into two sides of the fan and is respectively connected with an air port on one side; the air port is arranged above the second conveying device;
the high-voltage electric field generating device comprises a high-voltage power supply, an insulating layer, a frame, a positive plate and a negative plate; the positive plate and the negative plate are fixed on the frame through an insulating layer and are connected with a high-voltage power supply; the frame of the high-voltage electric field generating device is erected on the second conveying device, so that the transmission mesh belt of the second conveying device passes through the space between the positive plate and the negative plate of the high-voltage electric field generating device.
5. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, further characterized in that the aperture of the transmission mesh belt of the feeding buffering device is 1 × 1cm2And meanwhile, a certain included angle is formed between the conveying plane of the feeding buffer device and the horizontal direction, and the blueberries are driven to move upwards to enter the first conveying device.
6. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the dip coating tank is a cuboid without a cover and is installed inside the first conveying device, so that the upper half part of the first conveying device passes through the dip coating tank, and the lower half part of the first conveying device is attached to the bottom of the dip coating tank to rotate.
7. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the components of the film coating liquid in the dip coating tank are aqueous solutions of edible chitosan and agar, and the mass ratio of the edible chitosan to the agar is 1: 1, the concentration of the edible chitosan and agar in the mixed solution is 2% (w/v).
8. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the upper half part of the first conveying device is fixed by a tension sprocket, so that the upper half part of the first conveying device is arc-shaped, and the height of the film liquid in the dip-coating tank is controlled, so that blueberries can be immersed in the film liquid when conveyed to the center of the dip-coating tank;
the second conveying device runs slowly, so that the blueberry passes through the high-voltage electric field generating device for 20-30 s.
9. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein air openings of the air drying device are arranged in front of and behind the high-voltage electric field generating device frame, and the coated blueberries can be air-dried before and after entering the frame.
10. The blueberry film coating machine with the high-voltage electric field sterilization device as claimed in claim 1, wherein the field intensity between the positive and negative plates (plate size: 30cm x 50cm) of the high-voltage electric field generation device is 10-15 kV/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010400629.0A CN111700108A (en) | 2020-05-13 | 2020-05-13 | Blueberry film coating machine with high-voltage electric field sterilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010400629.0A CN111700108A (en) | 2020-05-13 | 2020-05-13 | Blueberry film coating machine with high-voltage electric field sterilization device |
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| Publication Number | Publication Date |
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| CN111700108A true CN111700108A (en) | 2020-09-25 |
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| CN202010400629.0A Pending CN111700108A (en) | 2020-05-13 | 2020-05-13 | Blueberry film coating machine with high-voltage electric field sterilization device |
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|---|---|---|---|---|
| CN107873822A (en) * | 2017-11-03 | 2018-04-06 | 福建农林大学 | It is a kind of to suppress the rotten method of Blueberry |
| CN108850147A (en) * | 2017-05-08 | 2018-11-23 | 苏州屹润食品科技有限公司 | A kind of food fresh-keeping method of chitosan collaboration high voltage electric field plasma |
| CN109007002A (en) * | 2018-07-18 | 2018-12-18 | 浙江科技学院 | Fruit screening and fresh-keeping film-coating machine |
| CN109105809A (en) * | 2018-09-05 | 2019-01-01 | 北京凯达恒业农业技术开发有限公司 | A kind of fruit and vegetable crisp chip preparation method of no color stabilizer addition |
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Inventor after: Li Jiahang Inventor after: Zou Xiaobo Inventor after: Shi Jiyong Inventor after: Li Zhihua Inventor after: Huang Xiaowei Inventor after: Zhang Ning Inventor after: Wang Tingting Inventor before: Zou Xiaobo Inventor before: Li Jiahang Inventor before: Shi Jiyong Inventor before: Li Zhihua Inventor before: Huang Xiaowei Inventor before: Zhang Ning Inventor before: Wang Tingting |
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Application publication date: 20200925 |