CN111213899A - Fruit and vegetable puffing continuous drying equipment - Google Patents

Fruit and vegetable puffing continuous drying equipment Download PDF

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Publication number
CN111213899A
CN111213899A CN202010185254.0A CN202010185254A CN111213899A CN 111213899 A CN111213899 A CN 111213899A CN 202010185254 A CN202010185254 A CN 202010185254A CN 111213899 A CN111213899 A CN 111213899A
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CN
China
Prior art keywords
puffing
mesh belt
tank
vacuum
valve
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010185254.0A
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Chinese (zh)
Inventor
陈海峰
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Shaanxi University of Science and Technology
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Shaanxi University of Science and Technology
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Application filed by Shaanxi University of Science and Technology filed Critical Shaanxi University of Science and Technology
Priority to CN202010185254.0A priority Critical patent/CN111213899A/en
Publication of CN111213899A publication Critical patent/CN111213899A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23PSHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
    • A23P30/00Shaping or working of foodstuffs characterised by the process or apparatus
    • A23P30/30Puffing or expanding
    • A23P30/32Puffing or expanding by pressure release, e.g. explosion puffing; by vacuum treatment
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B7/00Preservation or chemical ripening of fruit or vegetables
    • A23B7/02Dehydrating; Subsequent reconstitution

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses fruit and vegetable puffing continuous drying equipment which comprises a vacuum mesh belt type dryer, a puffing tank, a discharging tank and a main vacuum pump, wherein the vacuum mesh belt type dryer is connected with the puffing tank; the puffed fruits and vegetables are sequentially and intermittently puffed by a plurality of puffing tanks, the materials discharged from the puffing tanks fall into a storage bin, a scraper lifter uniformly conveys the materials to mesh belts, a plurality of layers of mesh belts are distributed layer by layer from top to bottom, each layer of mesh belt is provided with a group of infrared heating pipes, and the infrared heating pipes continuously dry the puffed fruits and vegetables under vacuum in the process of conveying the puffed fruits and vegetables from a top mesh belt to a bottom mesh belt step by step, so that the heat transfer and mass transfer efficiency is high, and the mass continuous and efficient production is realized; the efficiency of the fruit and vegetable piece puffing and drying is improved, the drying speed is uniform and rapid, and more nutrient components of the fruit and vegetable are reserved.

Description

Fruit and vegetable puffing continuous drying equipment
Technical Field
The invention relates to the technical field of agricultural product processing, in particular to fruit and vegetable puffing continuous drying equipment.
Background
The fruit and vegetable can be subjected to puffing and drying processing, so that the shelf life can be prolonged, the additional value of fruit and vegetable products is improved, and the life of people is enriched. The puffing equipment in the current market is mainly intermittent processing, and utilizes superheated moisture flash evaporation to generate puffing power, so that the temperature is higher, the heat-sensitive nutrition is not favorably kept, in addition, the production period is longer, the efficiency is low, and the requirement of large-batch processing is difficult to adapt.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide the fruit and vegetable puffing continuous drying equipment, which improves the puffing and drying efficiency of fruit and vegetable slices and retains more nutrient components of the fruits and vegetables.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a fruit and vegetable puffing continuous drying device comprises a vacuum mesh belt type dryer, a puffing tank, a discharging tank and a main vacuum pump;
a group of puffing tanks positioned above the vacuum mesh belt type dryer shell are connected in parallel on the outer side of the vacuum mesh belt type dryer shell, each puffing tank is connected with the vacuum mesh belt type dryer shell through a puffing valve and a pipeline, a storage bin is arranged in the vacuum mesh belt type dryer shell, and materials discharged from the puffing tanks fall into the storage bin; the upper end of each puffing tank is connected with the feed hopper through a pipeline and a feed valve, an air inlet valve and an air exhaust valve are further arranged on each puffing tank, and the air exhaust valve on each puffing tank is connected in parallel with the main vacuum pump;
the utility model discloses a vacuum mesh belt dryer, including vacuum mesh belt dryer, scraper blade lifting machine, the conveyer belt of vacuum mesh belt dryer is equipped with the scraper blade lifting machine of slope and the guipure of multilayer from last down successive layer distribution in the casing, and the scraper blade lifting machine is arranged in will falling into popped material transport to the top layer guipure in the storage silo on, and every layer guipure is furnished with a set of infrared heating pipe, and during the discharge hopper in the casing was carried with dry material to the bottom layer guipure, the discharge hopper passes through pipeline, valve and is.
Further, the discharging device comprises a discharging tank, the upper end of the discharging tank is connected with the discharging hopper in the shell, and the bottom of the discharging tank is respectively connected with the discharging valve and a connecting pipe of the liquefied gas tank through a tee joint; the discharge tank is also connected with an auxiliary vacuum pump through a pipeline and a valve.
Further, the liquefied gas stored in the liquefied gas tank is nitrogen, carbon dioxide or compressed air.
Further, the main vacuum pump is connected in parallel with the shell of the vacuum mesh belt dryer through a valve and a pipeline and keeps the vacuum degree of the inner side of the shell not less than-0.08 MPa.
Further, the top mesh belt is driven by a driving roller, the driving roller is connected with the driving roller and a power device of each layer of mesh belt through a chain, and an upper roller of the scraper lifter is connected with a driven roller at the top layer of the mesh belt dryer through the chain.
Furthermore, the shell of the puffing tank and the shell of the vacuum mesh belt type dryer are both matched with a heating and heat-insulating device, and the outer side of the discharging tank is provided with a heat-insulating layer.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a set of equipment for puffing and continuously drying fruits and vegetables according to the characteristics of puffing and drying fruits and vegetables, which comprises a vacuum mesh belt type dryer, a puffing tank, a discharging tank and a main vacuum pump; the puffed fruits and vegetables are sequentially and intermittently puffed by a plurality of puffing tanks, the materials discharged from the puffing tanks fall into a storage bin, a scraper lifter uniformly conveys the materials to mesh belts, a plurality of layers of mesh belts are distributed layer by layer from top to bottom, each layer of mesh belt is provided with a group of infrared heating pipes, and the infrared heating pipes continuously dry the puffed fruits and vegetables under vacuum in the process of conveying the puffed fruits and vegetables from a top mesh belt to a bottom mesh belt step by step, so that the heat transfer and mass transfer efficiency is high, and the mass continuous and efficient production is realized; the efficiency of the fruit and vegetable piece puffing and drying is improved, the drying speed is uniform and rapid, and more nutrient components of the fruit and vegetable are reserved.
Drawings
FIG. 1 is a schematic view of the puffing and continuous drying equipment for fruits and vegetables according to the present invention;
in the figure: 1-feeding valve, 2-air inlet valve, 3-bulking tank, 4-bulking valve, 5-scraper lifter, 6-shell, 7-infrared heating pipe, 8-mesh belt, 9-driving roller, 10-main vacuum pump, 11-auxiliary vacuum pump, 12-discharging tank, 13-liquefied gas tank, 14-cold air valve, 15-discharging hopper, 16-storage bin and 17-air extraction valve.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention thereto.
The fruit and vegetable puffing continuous drying equipment is composed of a vacuum mesh belt type dryer, a group of puffing tanks 3, a discharging tank 12, a main vacuum pump 10 and the like in sequence.
The left end in the vacuum mesh belt dryer shell 6 outside connects in parallel a set of popped jar 3 that is located its top, and every popped jar 3 is connected with the shell 6 left end through popped valve 4 and pipeline, and the material of releasing in the popped jar 3 all falls into in the storage silo 16 of the shell 6 left end inboard. The upper end of the puffing tank 3 is connected with the feed hopper through a pipeline and a feed valve 1, the upper end of the puffing tank 3 is also provided with an air inlet valve 2 and an air exhaust valve 17, and the other end of the air exhaust valve 17 is connected in parallel with the main vacuum pump 10.
Closing the expansion valve 4, feeding the material which is preheated to the temperature of not higher than 80 ℃ and has the water content of 12-55% into the expansion tank 3 through the feed hopper and the feed valve 1, closing the air inlet valve 2 and the feed valve 1, vacuumizing the expansion tank 3 to the gauge pressure of-0.08 Mpa through the air exhaust valve 17 and the main vacuum pump 10, closing the vacuum valve 17, opening the air inlet valve 2, gradually feeding clean gas such as nitrogen, carbon dioxide or compressed air into the expansion tank from the air inlet valve 2, keeping the pressure of not more than 3MPa for 5-25 minutes, rapidly opening the expansion valve 4, and enabling the expanded material to fall into the storage bin 16 on the inner side of the left end of the vacuum mesh belt dryer shell 6.
The inboard storage silo 16 right sides in 6 left ends of casing of vacuum mesh belt dryer sets up the scraper blade lifting machine 5 of slope, the frame and the 6 fixed connection of casing of scraper blade lifting machine 5, scraper blade lifting machine 5 is with the even transport of popped material to mesh belt dryer's the superiors guipure 8 on, top layer guipure 8 is driven by drive roller 9, drive roller 9 passes through the chain and links to each other with the drive roller and the power device of each layer guipure, scraper blade lifting machine 5 goes up the roller and passes through the chain and link to each other with the driven voller of mesh belt dryer top layer.
The multilayer mesh belt 8 arranged in the shell 6 is arranged on the support, and each layer of mesh belt 8 is provided with a group of infrared heating pipes 7, so that the temperature of the materials is not more than 80 ℃. The lowermost mesh belt conveys the dried material to the left in a discharge hopper 15 at the left end of the inside of the housing.
The discharge hopper 15 at the left end of the inner side of the shell 6 of the vacuum mesh belt dryer is connected with the upper end of the discharge tank 12 which is positioned at the outer side of the shell 6 and is arranged below the discharge hopper through a pipeline and a valve. The bottom of the discharge tank 12 is respectively connected with a discharge valve and a connecting pipe of the liquefied gas tank 13 through a tee joint. The upper part of the discharge tank 12 is connected with the auxiliary vacuum pump 11 through a pipeline valve. A window is arranged at the upper part of the discharge tank 12, when the material entering the discharge tank 12 reaches the height of the window, a valve at the upper end of the discharge tank 12 is closed, the discharge tank is vacuumized, a cold air valve 14 is opened, liquefied inert gases such as nitrogen, carbon dioxide and the like are slowly filled into the discharge tank 12, the air inflow of the liquefied gas is coordinated with the air extraction of the auxiliary vacuum pump 11, and the vacuum degree of the discharge tank is not less than-0.08 MPa; when the temperature of the material is reduced to below 40 ℃, the cold air valve 14 is closed and the vacuumizing is stopped, the vacuum breaking valve at the upper end of the discharge tank 12 is opened, and then the discharge valve at the lower end of the discharge tank 12 is opened to discharge the material.
The main vacuum pump 10 is connected in parallel with the shell 6 of the vacuum mesh belt dryer through a valve and a pipeline and keeps the vacuum degree of the inner side of the shell 6 not less than-0.08 MPa.
The shell 6 of the puffing tank 3 and the vacuum mesh belt type dryer are matched with a heating and heat-insulating device, and the outer side of the discharging tank is provided with a heat-insulating layer.
The present invention is described in detail with reference to the above embodiments, and those skilled in the art will understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims (6)

1. The utility model provides a popped continuous drying equipment of fruit vegetables which characterized in that: comprises a vacuum mesh belt type dryer, a puffing tank (3), a discharging tank (12) and a main vacuum pump (10);
a group of puffing tanks (3) which are positioned above the vacuum mesh belt type dryer shell are connected in parallel on the outer side of the vacuum mesh belt type dryer shell, each puffing tank is connected with the vacuum mesh belt type dryer shell through a puffing valve (4) and a pipeline, a storage bin (16) is arranged in the vacuum mesh belt type dryer shell, and materials discharged from the puffing tanks (3) fall into the storage bin (16); the upper end of each puffing tank (3) is connected with the feed hopper through a pipeline and a feed valve (1), the puffing tanks are also provided with an air inlet valve (2) and an air extraction valve (17), and the air extraction valve (17) on each puffing tank is connected in parallel with the main vacuum pump (10);
the utility model discloses a vacuum mesh belt dryer, including vacuum mesh belt dryer, be provided with the scraper blade lifting machine of slope and the guipure of multilayer from last down successive layer distribution in the casing of vacuum mesh belt dryer, the scraper blade lifting machine is arranged in will falling into storage silo (16) popped material transport to the top layer guipure on, every layer guipure is furnished with a set of infrared heating pipe, and during discharge hopper (15) in the casing were carried with dry material to bottom layer guipure, discharge hopper (15) are connected rather than the discharging device in below, the casing outside through pipeline, valve.
2. The fruit and vegetable puffing and continuous drying equipment as claimed in claim 1, wherein: the discharging device comprises a discharging tank (12) with the upper end connected with a discharging hopper (15) in the shell, and the bottom of the discharging tank (12) is respectively connected with a discharging valve and a connecting pipe of the liquefied gas tank through a tee; the discharge tank is also connected with an auxiliary vacuum pump (11) through a pipeline and a valve.
3. The fruit and vegetable puffing and continuous drying equipment as claimed in claim 2, wherein: the liquefied gas stored in the liquefied gas tank is nitrogen, carbon dioxide or compressed air.
4. The fruit and vegetable puffing and continuous drying equipment as claimed in claim 3, wherein: the main vacuum pump (10) is connected in parallel with the shell of the vacuum mesh belt dryer through a valve and a pipeline and keeps the vacuum degree of the inner side of the shell not less than-0.08 MPa.
5. The fruit and vegetable puffing and continuous drying equipment as claimed in any one of claims 1-4, wherein: the top mesh belt (8) is driven by a driving roller (9), the driving roller (9) is connected with the driving roller and a power device of each layer of mesh belt through a chain, and an upper roller of the scraper elevator (5) is connected with a driven roller at the top layer of the mesh belt dryer through the chain.
6. The fruit and vegetable puffing and continuous drying equipment as claimed in claim 5, wherein: the shell of the puffing tank (3) and the shell of the vacuum mesh belt type dryer are both matched with a heating and heat-insulating device, and the outer side of the discharging tank (12) is provided with a heat-insulating layer.
CN202010185254.0A 2020-03-17 2020-03-17 Fruit and vegetable puffing continuous drying equipment Pending CN111213899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010185254.0A CN111213899A (en) 2020-03-17 2020-03-17 Fruit and vegetable puffing continuous drying equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010185254.0A CN111213899A (en) 2020-03-17 2020-03-17 Fruit and vegetable puffing continuous drying equipment

Publications (1)

Publication Number Publication Date
CN111213899A true CN111213899A (en) 2020-06-02

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Application Number Title Priority Date Filing Date
CN202010185254.0A Pending CN111213899A (en) 2020-03-17 2020-03-17 Fruit and vegetable puffing continuous drying equipment

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CN (1) CN111213899A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113634510A (en) * 2021-08-06 2021-11-12 昆山众诚精密锻造有限公司 Automatic line for appearance detection and sorting of pipe joint forge piece

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000054599A1 (en) * 1999-03-15 2000-09-21 Konstantinos Zikas Unit for the dehydration of loose products
CN1387790A (en) * 2002-07-12 2003-01-01 烟台润和果蔬食品研究所有限公司 Method for producing fruit and vegetable crisp chips by low-temperature airflow puffing and product
KR100655857B1 (en) * 2004-02-10 2006-12-11 충북대학교 산학협력단 F.I.R. Drying system using far infrared rays and preheating and exhaust air
CN203120944U (en) * 2013-03-15 2013-08-14 陕西科技大学 Continuous fruit and vegetable bulking equipment
CN109259275A (en) * 2018-10-19 2019-01-25 武汉旭东食品有限公司 A kind of watermelon seeds processing unit (plant) and method
CN109832586A (en) * 2019-03-29 2019-06-04 陕西科技大学 A kind of expansion method preparing macaque peach crisp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000054599A1 (en) * 1999-03-15 2000-09-21 Konstantinos Zikas Unit for the dehydration of loose products
CN1387790A (en) * 2002-07-12 2003-01-01 烟台润和果蔬食品研究所有限公司 Method for producing fruit and vegetable crisp chips by low-temperature airflow puffing and product
KR100655857B1 (en) * 2004-02-10 2006-12-11 충북대학교 산학협력단 F.I.R. Drying system using far infrared rays and preheating and exhaust air
CN203120944U (en) * 2013-03-15 2013-08-14 陕西科技大学 Continuous fruit and vegetable bulking equipment
CN109259275A (en) * 2018-10-19 2019-01-25 武汉旭东食品有限公司 A kind of watermelon seeds processing unit (plant) and method
CN109832586A (en) * 2019-03-29 2019-06-04 陕西科技大学 A kind of expansion method preparing macaque peach crisp

Non-Patent Citations (3)

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Title
王娟: "连续式果蔬高压渗透膨化设备设计及研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 *
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113634510A (en) * 2021-08-06 2021-11-12 昆山众诚精密锻造有限公司 Automatic line for appearance detection and sorting of pipe joint forge piece

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Application publication date: 20200602

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