CN116873317A - Intelligent preservation packaging system for prefabricated vegetables, packaging method and packaging bag thereof - Google Patents
Intelligent preservation packaging system for prefabricated vegetables, packaging method and packaging bag thereof Download PDFInfo
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- CN116873317A CN116873317A CN202310872174.6A CN202310872174A CN116873317A CN 116873317 A CN116873317 A CN 116873317A CN 202310872174 A CN202310872174 A CN 202310872174A CN 116873317 A CN116873317 A CN 116873317A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 205
- 235000013311 vegetables Nutrition 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004321 preservation Methods 0.000 title claims abstract description 16
- 235000015067 sauces Nutrition 0.000 claims abstract description 113
- 239000007787 solid Substances 0.000 claims abstract description 75
- 235000013305 food Nutrition 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims description 146
- 238000003860 storage Methods 0.000 claims description 93
- 238000007599 discharging Methods 0.000 claims description 45
- 238000007789 sealing Methods 0.000 claims description 40
- 238000012806 monitoring device Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 21
- 239000011343 solid material Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 13
- 239000012943 hotmelt Substances 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 claims 1
- 230000009977 dual effect Effects 0.000 claims 1
- 238000009832 plasma treatment Methods 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 abstract description 6
- 239000000796 flavoring agent Substances 0.000 abstract description 4
- 235000019634 flavors Nutrition 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012536 packaging technology Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 9
- 241000287828 Gallus gallus Species 0.000 description 8
- 235000013330 chicken meat Nutrition 0.000 description 8
- 235000021438 curry Nutrition 0.000 description 7
- 235000013372 meat Nutrition 0.000 description 6
- 235000015278 beef Nutrition 0.000 description 4
- 235000021186 dishes Nutrition 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 229920001169 thermoplastic Polymers 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 240000008415 Lactuca sativa Species 0.000 description 2
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000012045 salad Nutrition 0.000 description 2
- 238000009450 smart packaging Methods 0.000 description 2
- 235000012033 vegetable salad Nutrition 0.000 description 2
- 239000004278 EU approved seasoning Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000015228 chicken nuggets Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 244000144977 poultry Species 0.000 description 1
- 235000013594 poultry meat Nutrition 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 235000021055 solid food Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B31/00—Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers
- B65B31/04—Evacuating, pressurising or gasifying filled containers or wrappers by means of nozzles through which air or other gas, e.g. an inert gas, is withdrawn or supplied
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
- B65B43/52—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using roller-ways or endless conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B55/00—Preserving, protecting or purifying packages or package contents in association with packaging
- B65B55/02—Sterilising, e.g. of complete packages
- B65B55/12—Sterilising contents prior to, or during, packaging
- B65B55/16—Sterilising contents prior to, or during, packaging by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
- B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Quality & Reliability (AREA)
- Vacuum Packaging (AREA)
Abstract
The application discloses an intelligent preservation packaging technology of prefabricated vegetables, in particular to an intelligent preservation packaging system of the prefabricated vegetables, which comprises a filling mechanism, a gas supply device and a packaging mechanism; the application provides an intelligent preservation and packaging method of prefabricated vegetables, which is used for the intelligent preservation and packaging system of the prefabricated vegetables; finally, the application also provides a double-cavity packaging bag which is suitable for the intelligent preservation packaging system of the prefabricated dishes, and comprises a bag body containing separate cavities, wherein the bag body comprises a solid cavity and a sauce cavity, and a thermal fuse is arranged between the solid cavity and the sauce cavity at intervals, and the solid and the sauce can be stored separately by the thermal fuse at intervals. The application can solve the problem of poor flavor caused by mixing and storing the sauce and the solid, and can realize the effects of sterilizing and filling into a whole, thereby prolonging the fresh-keeping period of food; filling and inflation fresh-keeping can be simultaneously carried out, and production efficiency is improved.
Description
Technical Field
The application relates to the field of intelligent packaging technology of prefabricated vegetables, in particular to an intelligent fresh-keeping packaging system of the prefabricated vegetables, a packaging method and a packaging bag of the intelligent fresh-keeping packaging system.
Background
The prefabricated dish is a finished product or semi-finished product dish prepared by taking agricultural products, livestock and poultry, aquatic products and the like as raw materials and adding various auxiliary materials through preprocessing (such as slitting, stirring, pickling, rolling, forming, seasoning, quick freezing and freezing), has the characteristics of convenience, freshness, health and the like, and can meet different requirements of different crowds on food materials through rich dish selection, flexible cooking and eating modes. The existing prefabricated vegetables in the market, especially the instant cooking type prefabricated vegetables, are packaged according to parts after certain processing, and the food materials are generally required to be processed in a pot for a few minutes for recovering the original flavor, and the matched seasonings can be put in according to the requirements, such as refrigerated steak and refrigerated chicken nuggets. The food package towards the B end and the like, the packaging mode is mostly that solid matters are mixed with sauce for storage, the problem that the sauce is too long to pickle for a long time and the taste is too thick can occur under long-time storage, and the problem that the meat compactness is poor due to long-time infiltration in the sauce can also occur to the meat prefabricated dishes. In order to solve the above problems, a method of separately storing sauce packets may be adopted, and sauce may be added during cooking. However, the current trend that modern urban people do not cook is bigger and bigger, and in order to meet the requirements of quick catering and less pot washing in new times, the direct adoption of packaging bags for heating instant food is becoming more and more popular.
Disclosure of Invention
The application aims to provide an intelligent fresh-keeping packaging process for a prefabricated vegetable, which aims to solve the problem of poor flavor caused by mixing and packaging solid matters and sauce materials for the ready-to-cook prefabricated vegetable, can prolong the fresh-keeping time of the prefabricated vegetable, and can assist a consumer in controlling the mixing time of the sauce materials and the solid matters.
In order to achieve the above purpose, the present application provides the following technical solutions:
in one aspect, the application provides an intelligent preservation packaging system for prefabricated vegetables, comprising: a filling mechanism, a gas supply device and a packaging mechanism;
the filling mechanism comprises 2 storage cavities, namely a solid storage cavity and a sauce storage cavity, wherein the 2 storage cavities are separated by a partition plate; the plasma storage device comprises 1 plasma cavity, wherein the plasma cavity surrounds the periphery of the storage cavity, and a plasma generator is arranged on the inner wall of the plasma cavity and can ionize gas in the plasma cavity into plasma gas; the lower parts of the solid storage cavity and the sauce storage cavity are respectively provided with a discharging channel, namely a solid discharging channel and a sauce discharging channel; an inflation channel is arranged below the plasma cavity and is a first inflation channel and a second inflation channel respectively, the first inflation channel is adjacent to the solid material blanking channel, and the second inflation channel is adjacent to the sauce material blanking channel;
the gas supply device comprises a gas storage cavity, a gas conveying pipeline and a control gas valve, wherein the gas in the gas storage cavity is conveyed into the storage cavity through the gas conveying pipeline, and then a plasma generator in the storage cavity ionizes the gas in the storage cavity and forms plasma gas, and the plasma gas can fully contact with food in the storage cavity after filling the storage cavity, so that a sterilization effect is achieved;
the packaging mechanism comprises a packaging transmission belt, a heat sealing packaging device and an air pressure detection device; the packaging conveying belt is horizontally arranged below the filling mechanism, and conveys the double-cavity packaging bags of the prefabricated vegetables to the lower parts of the blanking channel and the inflating channel, so that the double-cavity packaging bags can be inflated and filled with food at the same time; the heat sealing packaging device comprises 2 limiting plates and 2 heat sealing knives, wherein the limiting plates are respectively a first limiting plate, a second limiting plate, a first heat sealing knife and a second heat sealing knife, the limiting plates are positioned on two sides of the packaging conveying belt, and the heat sealing knives are arranged at the upper ends of the limiting plates; after the double-cavity packaging bag is filled and inflated, the first heat-sealing knife and the second heat-sealing knife of the heat-sealing packaging device carry out thermoplastic packaging on the double-cavity packaging bag; and then accomplish the double-chamber wrapping bag of thermoplastic encapsulation and pass through the packing conveyer belt shifts to air pressure detection device, air pressure detection device detects the air pressure of the double-chamber wrapping bag of accomplishing the encapsulation to ensure the encapsulation tightness of wrapping bag.
Further, the intelligent fresh-keeping packaging system of the prefabricated dishes further comprises a gas monitoring device, wherein the gas monitoring device is respectively connected with the control gas valve and the storage cavity, on one hand, the gas monitoring device can monitor the gas components and the gas concentration in the storage cavity, and on the other hand, the gas supply rate of the control gas valve can be regulated and controlled according to the detection result of the gas components and the gas concentration in the storage cavity, so that the gas components and the gas pressure in the storage cavity are kept stable;
further, the discharging passages of the solid storage cavity and the sauce storage cavity are respectively provided with a discharging one-way valve, namely a solid discharging one-way valve and a sauce discharging one-way valve, when the one-way valve senses that the weight of the food reaches a preset value, the one-way valve is opened and finally the food is filled into the double-cavity packaging bag;
further, the packaging mechanism further comprises a bagging monitoring device, wherein the bagging monitoring device is respectively connected with the solid material discharging one-way valve and the sauce material discharging one-way valve, monitors the opening and closing of the one-way valve, and controls food in the solid material storage cavity and the sauce material storage cavity to enter the double-cavity packaging bag at the same time;
further, the distance of the limiting plate can be adjusted according to the size of the packaging bag, so that the packaging bag can be ensured to be contacted with the limiting plate after being fully packaged; 2 pressure sensors are arranged in the limiting plate, namely a solid matter cavity pressure sensor and a sauce cavity pressure sensor, and can respectively detect the air pressure of 2 cavities of the double-cavity packaging bag; in the inflation process of the double-cavity packaging bag, the double-cavity packaging bag can be gradually attached to the limiting plate, at the moment, the pressure sensor can detect the air pressure change of the packaging bag, and when the air pressure of 2 cavities of the packaging bag reaches a set value, the heat-seal packaging device can carry out heat-seal packaging on the packaging bag.
In a second aspect, the application provides an intelligent preservation and packaging method for prefabricated vegetables, which is used for the intelligent preservation and packaging system for the prefabricated vegetables, and comprises the following steps:
s1, placing solid food in the solid storage cavity, and placing sauce in the sauce storage cavity;
s2, the gas supply device starts to convey gas into the storage cavity, the plasma generator is started to ionize the gas conveyed into the storage cavity to form plasma gas, meanwhile, the gas monitoring device monitors the gas components and the gas concentration in the plasma cavity so as to control the gas conveying speed, the gas components and the gas pressure in the plasma cavity are kept stable, the relation between the gas supply speed and the gas concentration and the gas pressure meets the following formula, wherein the gas pressure is P (kpa), the volume concentration of the gas is c (%), the gas volume concentration change speed is deltac, and the gas supply speed is v (m/s):
s3, filling and packaging, wherein the packaging conveyor belt moves the double-cavity packaging bag below the filling mechanism, and the solid blanking channel, the first inflating channel, the sauce blanking channel and the second inflating channel are respectively aligned to two cavities of the double-cavity packaging bag; the bagging monitoring device simultaneously controls the solid material discharging one-way valve and the sauce material storing and discharging one-way valve, and respectively fills quantitative foods into two chambers of the packaging bag;
s4, controlling the air pressure in the storage cavity to be slightly higher than the external atmospheric pressure, enabling the first air inflation channel and the second air inflation channel to respectively inflate two cavities of the double-cavity packaging bag through an exhaust method, enabling the double-cavity packaging bag to be gradually close to a limiting plate of the heat seal packaging device, enabling a pressure sensor on the limiting plate to detect air pressure change of the packaging bag, and enabling the heat seal packaging device to conduct heat seal packaging on the packaging bag when the air pressure of 2 cavities of the packaging bag reaches a set value.
S5, transferring the packaged packaging bags to the air pressure detection device through the packaging conveying belt, and detecting the tightness of the packaging bags.
Preferably, the conveying gas in step S2 is N 2 And inert gases.
Preferably, in step S4, the air pressure of the two chambers of the packaging bag 2 is set to be higher than the air pressure of the chamber for containing sauce.
In a third aspect, the application provides a dual-cavity packaging bag for prefabricated vegetables, which comprises a bag body containing a separation cavity, wherein the bag body comprises a solid cavity and a sauce cavity, a spacing hot-melt line is arranged between the solid cavity and the sauce cavity, the solid and the sauce can be stored separately by the spacing hot-melt line, when the sauce cavity is extruded, the spacing hot-melt line is opened, and the sauce in the sauce cavity can be transferred to the solid cavity through an opening of the spacing hot-melt line so as to be convenient for being fully mixed with the solid, so that a consumer can control the mixing time of the solid and the sauce by himself, the problem of too-thick taste caused by overlong mixing storage time of the sauce and the solid is avoided, and the problem of poor meat compactness of meat foods mixed with the sauce for a long time can also be avoided; the lower ends of the solid cavity and the sauce cavity are of self-supporting cylinder structures, so that the bag body is stably and vertically supported and is not easy to topple; wing-shaped handheld positions are arranged on two sides of the bag body; the upper edge positions of the solid cavity and the sauce cavity are respectively provided with a sealing strip and a hand tearing notch, and the solid cavity and the sauce cavity can be used for one time or repeatedly sealed and stored according to actual conditions.
Preferably, the material of the bag body is a heatable plastic material, such as PP material.
The technical scheme of the intelligent fresh-keeping packaging process for the prefabricated vegetables has the following beneficial effects:
(1) The sauce and the solid can be stored separately, so that the problem of bad flavor caused by mixing and storing the sauce and the solid, such as the problem of over-strong taste or poor texture of food, is avoided.
(2) Can realize sterilizing, filling as an organic whole to the fresh-keeping period of food is prolonged, and uses low temperature plasma sterilization can avoid the heat sterilization to bring the taste variation to food, and the food scope that this scheme was suitable for is wider, can be applied to multiple food such as fruit vegetables, meat, egg, sauce material.
(3) Can realize that filling and inflation fresh-keeping are carried out simultaneously, and improves production efficiency.
Drawings
For a clearer description of the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a pre-dish intelligent packaging system.
Fig. 2 is a schematic structural view of the storage chamber.
Fig. 3 is a schematic structural view of a dual-chamber package.
Main elements and symbol description:
1. a gas storage chamber; 2. a gas delivery conduit; 3. a gas monitoring device; 4. controlling an air valve; 5. a filling mechanism; 6. a bagging monitoring device; 7. packaging the conveyor belt; 8. a first heat seal knife; 9. a first limiting plate; 10. a second heat seal knife; 11. a second limiting plate; 12. an air pressure detecting device; 13. double-cavity packaging bags; 14. a solid-state cavity pressure sensor; 15. a sauce cavity pressure sensor;
501. a solids storage chamber; 502. a sauce storage cavity; 503. a partition plate; 504. a plasma chamber; 505. a plasma generator; 506. a first inflation channel; 507. a second inflation channel; 508. a solid material discharging channel; 509. a sauce discharging channel; 510. a solid material discharging one-way valve; 511. a sauce discharging one-way valve;
131. a solids chamber; 132. a sauce cavity; 133. spacing the hot melt lines; 134. a wing-shaped handheld position; 135. sealing strips of the solid material cavity; 136. a sauce cavity sealing strip; 137. a solid matter cavity hand tearing notch; 138. the sauce cavity is provided with a hand-tearing notch.
Detailed Description
The following describes the embodiments of the present application further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present application, but is not intended to limit the present application. In addition, the technical features of the embodiments of the present application described below may be combined with each other as long as they do not collide with each other.
Example 1
An intelligent preservation and packaging system for prefabricated vegetables, as shown in fig. 1 and 2, comprises: a filling mechanism, a gas supply device and a packaging mechanism;
the filling mechanism comprises 2 storage cavities, namely a solid storage cavity 501 and a sauce storage cavity 502, wherein the 2 storage cavities are separated by a partition plate 503; 1 plasma cavity 504, the plasma cavity 504 surrounds the storage cavity, a plasma generator 505 is arranged on the inner wall of the plasma cavity 504, and the gas in the plasma cavity 504 can be ionized into plasma gas; a discharging channel is arranged below the solid storage cavity 501 and the sauce storage cavity 502, and is a solid discharging channel 508 and a sauce discharging channel 509 respectively; an air charging channel is arranged below the plasma cavity 504, and is a first air charging channel 506 and a second air charging channel 507 respectively, wherein the first air charging channel 506 is adjacent to the solid blanking channel 508, and the second air charging channel 507 is adjacent to the sauce blanking channel 509;
the gas supply device comprises a gas storage cavity 1, a gas conveying pipeline 2 and a control gas valve 4, wherein the gas in the gas storage cavity 1 is conveyed into the storage cavity through the gas conveying pipeline 2, and then a plasma generator 505 in the storage cavity ionizes the gas in the storage cavity and forms plasma gas, and the plasma gas can fully contact with food in the storage cavity after filling the storage cavity, so that the sterilization effect is achieved;
the packaging mechanism comprises a packaging conveyor belt 7, a heat sealing packaging device and an air pressure detection device 12; the packaging conveying belt 7 is horizontally arranged below the filling mechanism 5, and the packaging conveying belt 7 conveys the double-cavity packaging bags 13 of the prefabricated vegetables to the lower parts of the blanking channel and the inflating channel, so that the double-cavity packaging bags 13 can be inflated and filled with food at the same time; the heat sealing packaging device comprises 2 limiting plates and 2 heat sealing knives, wherein the limiting plates are respectively a first limiting plate 9 and a second limiting plate 11, and a first heat sealing knife 8 and a second heat sealing knife 10, the limiting plates are positioned on two sides of the packaging conveying belt 7, and the heat sealing knives are arranged at the upper ends of the limiting plates; after the double-cavity packaging bag 13 is filled and inflated, the first heat-sealing knife 8 and the second heat-sealing knife 10 of the heat-sealing packaging device perform thermoplastic packaging on the double-cavity packaging bag 13; the double-cavity packaging bag 13 with the thermoplastic packaging is transferred to the air pressure detecting device 12 through the packaging conveying belt 7, and the air pressure detecting device 12 detects the air pressure of the double-cavity packaging bag 13 with the packaging, so that the packaging tightness of the packaging bag is ensured.
Further, the intelligent fresh-keeping packaging system of the prefabricated dishes further comprises a gas monitoring device 3, wherein the gas monitoring device 3 is respectively connected with the control gas valve 4 and the storage cavity, on one hand, the gas monitoring device 3 can monitor the gas composition and the gas concentration in the storage cavity, and on the other hand, the gas supply rate of the control gas valve 4 can be regulated and controlled according to the detection result of the gas composition and the gas concentration in the storage cavity, so that the gas composition and the gas pressure in the storage cavity are ensured to be kept stable;
further, the discharging passages of the solid storage cavity 501 and the sauce storage cavity 502 are respectively provided with a discharging one-way valve, namely a solid discharging one-way valve 510 and a sauce discharging one-way valve 511, when the one-way valves sense that the weight of the food reaches a preset value, the one-way valves are opened and finally the food is filled into the double-cavity packaging bag 13;
further, the packaging mechanism further comprises a bagging monitoring device 6, the bagging monitoring device 6 is respectively connected with the solid material discharging one-way valve 510 and the sauce material discharging one-way valve 511, monitors the opening and closing of the one-way valves, and controls the food in the solid material storage cavity 501 and the sauce material storage cavity 502 to enter the double-cavity packaging bag 13 at the same time;
further, the distance of the limiting plate can be adjusted according to the size of the packaging bag, so that the packaging bag can be ensured to be contacted with the limiting plate after being fully packaged; 2 pressure sensors are arranged in the limiting plate, namely a solid matter cavity pressure sensor 14 and a sauce cavity pressure sensor 15, and can respectively detect the air pressure of 2 cavities of the double-cavity packaging bag 13; in the process of inflating the double-cavity packaging bag 13, the double-cavity packaging bag 13 can be gradually pressed close to the limiting plate, at the moment, the pressure sensor can detect the air pressure change of the packaging bag, and when the air pressure of 2 cavities of the packaging bag reaches a set value, the heat-seal packaging device can carry out heat-seal packaging on the packaging bag.
An intelligent fresh-keeping packaging method for curry chickens, which is used for the intelligent fresh-keeping packaging system for the prefabricated vegetables, comprises the following steps:
s1, placing heated chicken blocks in the solid storage cavity 501, and placing curry sauce in the sauce storage cavity 502;
s2, the gas supply device starts to convey N into the storage cavity 2 And turning on the plasma generator (505) to ionize the gas fed into the storage chamber to form a plasma gas, and simultaneously monitoring the gas composition and the gas concentration in the plasma chamber by the gas monitoring device, thereby controlling the gas feeding rate to enable N in the plasma chamber 2 The volume ratio is maintained at 80-90%, and the air pressure is stabilized at 110 kPa-120 kPa; the relationship between the gas supply rate and the gas concentration and the gas pressure satisfies the following formula, wherein the gas pressure is P (kpa), the gas volume concentration is c (%), the gas volume concentration change rate is Δc, and the gas supply rate is v (m/s):
s3, filling and packaging, wherein the packaging conveyor belt 7 moves the double-cavity packaging bag 13 below the filling mechanism 5, and the solid material discharging channel 508, the first inflating channel 506, the sauce discharging channel 509 and the second inflating channel 507 are respectively aligned to two cavities of the double-cavity packaging bag; the bagging monitoring device 6 simultaneously controls the solid material discharging one-way valve 510 and the sauce material storing discharging one-way valve 511 to respectively fill the quantitative foods into two chambers of the packaging bag;
s4, controlling the air pressure in the storage cavity to be stable at 110 kPa-120 kPa, respectively inflating two cavities of the double-cavity packaging bag through an exhaust method by the first inflation channel 506 and the second inflation channel 509, at this time, the double-cavity packaging bag can be gradually attached to the first limiting plate 9 of the heat sealing packaging device, at this time, the air pressure sensor 14 of the solid cavity and the air pressure sensor 15 of the sauce cavity on the first limiting plate 9 detect the air pressure change of the packaging bag, and when the air pressure of the 2 cavities of the packaging bag reaches 1-1.5 standard atmospheric pressures, the heat sealing packaging device performs heat sealing packaging on the packaging bag.
S5, transferring the packaged packaging bags to the air pressure detection device 12 through the packaging conveying belt 7, so as to detect the tightness of the packaging.
According to the intelligent fresh-keeping packaging method for the curry chickens, a double-cavity packaging bag for the prefabricated dishes is adopted, as shown in fig. 3, the intelligent fresh-keeping packaging method comprises a bag body containing separate cavities, the bag body comprises a solid cavity 131 and a sauce cavity 132, a thermal-insulation fuse 133 is arranged between the solid cavity 131 and the sauce cavity 132, the thermal-insulation fuse 133 can separate and store chicken and curry sauce, when the sauce cavity 132 is extruded, the thermal-insulation fuse 133 is opened, the curry sauce in the sauce cavity 132 can be transferred to the solid cavity 131 through an opening of the thermal-insulation fuse 133, so that the instant fresh-keeping packaging method is convenient for fully mixing with the chicken, a consumer can control the mixing time of the chicken and the curry sauce by himself, the problem of over-thick taste caused by overlong mixing and storing time of the curry sauce and the chicken is avoided, and the problem of poor meat compactness of the chicken can be avoided; the lower ends of the solid cavity 131 and the sauce cavity 132 are in a self-supporting cylinder structure, so that the bag body is helped to stand stably and is not easy to topple; wing-shaped handheld positions 134 are arranged on two sides of the bag body; the upper edge positions of the solid cavity 131 and the sauce cavity 132 are respectively provided with a solid cavity sealing strip 135, a solid cavity hand-tearing notch 137, a sauce cavity sealing strip 136 and a sauce cavity hand-tearing notch 138, and the solid cavity and the sauce cavity can be selected to be used once or repeatedly sealed and stored according to practical conditions. The bag body is made of a heatable plastic material. The air pressure of the sauce cavity 132 is 1.2-1.5 kPa, and the air pressure of the solid cavity 131 is 1.0-1.2 kPa.
Example 2
An intelligent fresh-keeping packaging method for sauced beef, which is used for the intelligent fresh-keeping packaging system for prefabricated vegetables in the embodiment 1, comprises the following steps:
s1, placing heated sauced beef blocks in the solid storage cavity 501, and placing beef sauce in the sauce storage cavity 502;
s2, the gas supply device starts to convey N into the storage cavity 2 And turning on the plasma generator (505) to ionize the gas fed into the storage chamber to form a plasma gas, and simultaneously monitoring the gas composition and the gas concentration in the plasma chamber by the gas monitoring device, thereby controlling the gas feeding rate to enable N in the plasma chamber 2 The volume ratio is maintained between 90 and 95 percent, and the air pressure is stabilized between 110kPa and 120kPa; the relationship between the gas supply rate and the gas concentration and the gas pressure satisfies the following formula, wherein the gas pressure is P (kpa), the gas volume concentration is c (%), the gas volume concentration change rate is Δc, and the gas supply rate is v (m/s):
s3, filling and packaging, wherein the packaging conveyor belt 7 moves the double-cavity packaging bag 13 below the filling mechanism 5, and the solid material discharging channel 508, the first inflating channel 506, the sauce discharging channel 509 and the second inflating channel 507 are respectively aligned to two cavities of the double-cavity packaging bag; the bagging monitoring device 6 simultaneously controls the solid material discharging one-way valve 510 and the sauce material storing discharging one-way valve 511 to respectively fill the quantitative foods into two chambers of the packaging bag;
s4, controlling the air pressure in the storage cavity to be stable at 110 kPa-120 kPa, respectively inflating two cavities of the double-cavity packaging bag through an exhaust method by the first inflation channel 506 and the second inflation channel 509, at this time, the double-cavity packaging bag can be gradually attached to the first limiting plate 9 of the heat sealing packaging device, at this time, the air pressure sensor 14 of the solid cavity and the air pressure sensor 15 of the sauce cavity on the first limiting plate 9 detect the air pressure change of the packaging bag, and when the air pressure of the 2 cavities of the packaging bag reaches 1-1.2 standard atmospheric pressures, the heat sealing packaging device performs heat sealing packaging on the packaging bag.
S5, transferring the packaged packaging bags to the air pressure detection device 12 through the packaging conveying belt 7, so as to detect the tightness of the packaging.
The intelligent fresh-keeping packaging method for the sauced beef adopts the double-cavity packaging bag in the embodiment 1, wherein the difference is that the air pressure of the sauce cavity 132 is 1.1-1.2 kPa, and the air pressure of the solid cavity 131 is 1.0-1.1 kPa.
Example 3
An intelligent freshness protection packaging method for vegetable salad, which is used for the intelligent freshness protection packaging system for prefabricated vegetables in the embodiment 1, comprises the following steps:
s1, placing the cleaned and drained mixed salad in the solid storage cavity 501 and placing salad sauce in the sauce storage cavity 502;
s2, the gas supply device starts to convey N into the storage cavity 2 And turning on the plasma generator (505) to ionize the gas fed into the storage chamber to form a plasma gas, and simultaneously monitoring the gas composition and the gas concentration in the plasma chamber by the gas monitoring device, thereby controlling the gas feeding rate to enable N in the plasma chamber 2 The volume ratio is maintained at 95-100%, and the air pressure is stabilized at 110 kPa-120 kPa; the relationship between the gas supply rate and the gas concentration and the gas pressure satisfies the following formula, wherein the gas pressure is P (kpa), the gas volume concentration is c (%), the gas volume concentration change rate is Δc, and the gas supply rate is v (m/s):
s3, filling and packaging, wherein the packaging conveyor belt 7 moves the double-cavity packaging bag 13 below the filling mechanism 5, and the solid material discharging channel 508, the first inflating channel 506, the sauce discharging channel 509 and the second inflating channel 507 are respectively aligned to two cavities of the double-cavity packaging bag; the bagging monitoring device 6 simultaneously controls the solid material discharging one-way valve 510 and the sauce material storing discharging one-way valve 511 to respectively fill the quantitative foods into two chambers of the packaging bag;
s4, controlling the air pressure in the storage cavity to be stable at 110 kPa-120 kPa, respectively inflating two cavities of the double-cavity packaging bag through an exhaust method by the first inflation channel 506 and the second inflation channel 509, at this time, the double-cavity packaging bag can be gradually attached to the first limiting plate 9 of the heat-seal packaging device, at this time, the pressure sensor 14 of a solid cavity and the pressure sensor 15 of a sauce cavity on the first limiting plate 9 detect the air pressure change of the packaging bag, and when the air pressure of the 2 cavities of the packaging bag reaches 1.2-1.5 standard atmospheres, the heat-seal packaging device performs heat-seal packaging on the packaging bag.
S5, transferring the packaged packaging bags to the air pressure detection device 12 through the packaging conveying belt 7, so as to detect the tightness of the packaging.
The intelligent freshness protection package method for the vegetable salad adopts the double-cavity package bag described in the embodiment 1, and is different in that the air pressure of the sauce cavity 132 is 1.3-1.5 kPa, and the air pressure of the solid cavity 131 is 1.2-1.3 kPa.
Claims (10)
1. An intelligent preservation and packaging system for prefabricated vegetables is characterized by comprising a filling mechanism, a gas supply device and a packaging mechanism;
the filling mechanism comprises 2 storage cavities, namely a solid storage cavity (501) and a sauce storage cavity (502), wherein the 2 storage cavities are separated by a separation plate (503); the plasma storage device comprises 1 plasma cavity (504), wherein the plasma cavity (504) surrounds the periphery of the storage cavity, a plasma generator (505) is arranged on the inner wall of the plasma cavity (504), and gas in the plasma cavity (504) can be ionized into plasma gas; the lower parts of the solid storage cavity (501) and the sauce storage cavity (502) are respectively provided with a discharging channel, namely a solid discharging channel (508) and a sauce discharging channel (509); an air inflation channel is arranged below the plasma cavity (504), and is a first air inflation channel (506) and a second air inflation channel (507) respectively, wherein the first air inflation channel (506) is adjacent to the solid blanking channel (508), and the second air inflation channel (507) is adjacent to the sauce blanking channel (509);
the gas supply device comprises a gas storage cavity (1), a gas conveying pipeline (2) and a control gas valve (4), wherein the gas in the gas storage cavity (1) is conveyed into the storage cavity through the gas conveying pipeline (2), and then a plasma generator (505) in the storage cavity ionizes the gas in the storage cavity and forms plasma gas;
the packaging mechanism comprises a packaging conveyor belt (7), a heat sealing packaging device and an air pressure detection device (12); the packaging conveying belt (7) is horizontally arranged below the filling mechanism (5); the heat sealing packaging device comprises 2 limiting plates and 2 heat sealing knives, wherein the limiting plates are respectively a first limiting plate (9), a second limiting plate (11), a first heat sealing knife (8) and a second heat sealing knife (10), the limiting plates are positioned on two sides of the packaging conveying belt (7), and the heat sealing knives are arranged at the upper ends of the limiting plates; the air pressure detection device (12) is positioned at the tail end of the packaging conveying belt (7).
2. The intelligent fresh-keeping packaging system of the prefabricated dishes according to claim 1, further comprising a gas monitoring device (3), wherein the gas monitoring device (3) is respectively connected with the control gas valve (4) and the storage cavity.
3. The intelligent fresh-keeping packaging system of the prefabricated dishes according to claim 1, wherein the discharging channels of the solid storage cavity (501) and the sauce storage cavity (502) are respectively provided with a discharging one-way valve, namely a solid discharging one-way valve (510) and a sauce discharging one-way valve (511).
4. The intelligent fresh-keeping packaging system of the prefabricated dishes according to claim 1, wherein the packaging mechanism further comprises a bagging monitoring device (6), and the bagging monitoring device (6) is respectively connected with the solid material blanking one-way valve (510) and the sauce material blanking one-way valve (511).
5. The intelligent fresh-keeping packaging system of the prefabricated dishes according to claim 1, wherein the distance between the limiting plates can be adjusted according to the size of the packaging bag, so that the packaging bag can be fully contacted with the limiting plates; the limiting plate is internally provided with 2 pressure sensors, namely a solid matter cavity pressure sensor (14) and a sauce cavity pressure sensor (15), and can respectively detect the air pressure of 2 cavities of the double-cavity packaging bag (13).
6. An intelligent preservation and packaging method for prefabricated vegetables, which is used for the intelligent preservation and packaging system for the prefabricated vegetables according to any one of claims 1 to 5, and comprises the following steps:
s1, placing solids in the solids storage cavity (501), and placing sauce in the sauce storage cavity (502);
s2, the gas supply device starts to convey gas into the storage cavity, the plasma generator (505) is started to ionize the gas conveyed into the storage cavity to form plasma gas, meanwhile, the gas monitoring device monitors the gas composition and the gas concentration in the plasma cavity, so that the gas conveying speed is controlled, the gas composition and the gas pressure in the plasma cavity are kept stable, the relation between the gas supply speed and the gas concentration and the gas pressure meets the following formula, wherein the gas pressure is P (kpa), the volume concentration of the gas is c (%), the change speed of the volume concentration of the gas is deltac, and the gas supply speed is v (m/s):
s3, filling and packaging, wherein the packaging conveyor belt (7) moves the double-cavity packaging bag (13) to the lower part of the filling mechanism (5), and the solid material blanking channel (508), the first inflating channel (506), the sauce blanking channel (509) and the second inflating channel (507) are respectively aligned to two cavities of the double-cavity packaging bag; the bagging monitoring device (6) simultaneously controls the solid material discharging one-way valve (510) and the sauce material storing discharging one-way valve (511) to respectively fill quantitative foods into two chambers of the packaging bag;
s4, controlling the air pressure in the storage cavity to be stable, enabling the first air inflation channel (506) and the second air inflation channel (509) to respectively inflate two cavities of the double-cavity packaging bag through an exhaust method, enabling the double-cavity packaging bag to be gradually close to a first limiting plate (9) of the heat sealing packaging device, enabling a solid matter cavity pressure sensor (14) and a sauce cavity pressure sensor (15) on the first limiting plate (9) to detect the air pressure change of the packaging bag, and enabling the heat sealing packaging device to conduct heat sealing packaging on the packaging bag when the air pressures of the 2 cavities of the packaging bag reach set values.
S5, transferring the packaged packaging bags to the air pressure detection device (12) through the packaging conveying belt (7), and detecting the tightness of the packaging bags.
7. The intelligent preservation and packaging method of the prefabricated dishes according to claim 6, wherein the conveying gas in the step S2 is N 2 And inert gases.
8. The intelligent fresh-keeping packaging method of the prefabricated dishes according to claim 6, wherein the air pressure of the 2 chambers of the packaging bag in the step S4 is set to be higher than the air pressure of the chamber for containing the sauce.
9. A double-cavity packaging bag for prefabricated vegetables, which is used for the intelligent preservation packaging system of the prefabricated vegetables according to any one of claims 1-5, and is characterized by comprising a bag body containing a separation cavity, wherein the bag body comprises a solid cavity (131) and a sauce cavity (132), a spacing hot melt wire (133) is arranged between the solid cavity (131) and the sauce cavity (132), the solid and the sauce can be stored in a separated mode through the spacing hot melt wire (133), when the sauce cavity (132) is extruded, the spacing hot melt wire (133) is opened, and the sauce in the sauce cavity (132) can be transferred to the solid cavity (131) through an opening of the spacing hot melt wire (133) so as to be convenient to be fully mixed with the solid; the lower ends of the solid cavity (131) and the sauce cavity (132) are of self-supporting cylinder structures, so that the bag body is stably erected and is not easy to fall down; wing-shaped handheld positions (134) are arranged on two sides of the bag body; the upper edge positions of the solid cavity (131) and the sauce cavity (132) are respectively provided with a solid cavity sealing strip (135), a solid cavity hand tearing notch (137), a sauce cavity sealing strip (136) and a sauce cavity hand tearing notch (138).
10. The dual chamber package for prepared vegetables according to claim 9, wherein the sauce chamber and the solid chamber are filled with nitrogen gas subjected to plasma treatment after the sealed package is completed, the air pressure of the bag is about higher than the atmospheric pressure, and the air pressure in the sauce chamber is higher than the air pressure in the solid chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310872174.6A CN116873317A (en) | 2023-07-14 | 2023-07-14 | Intelligent preservation packaging system for prefabricated vegetables, packaging method and packaging bag thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310872174.6A CN116873317A (en) | 2023-07-14 | 2023-07-14 | Intelligent preservation packaging system for prefabricated vegetables, packaging method and packaging bag thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116873317A true CN116873317A (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310872174.6A Pending CN116873317A (en) | 2023-07-14 | 2023-07-14 | Intelligent preservation packaging system for prefabricated vegetables, packaging method and packaging bag thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116873317A (en) |
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2023
- 2023-07-14 CN CN202310872174.6A patent/CN116873317A/en active Pending
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