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Suitabel for fruit for example: apple and pear ,also have other fruits
Processing Capacity:25kg/h~10T/h(Input)
PROCESSING FLOW FOR REFERENCE:
Cleaning - selecting - crushing - preheating - beating - filtering - concentrating - deploying - sterilizing - aseptic filling - finished packing etc.
PRODUCT INTRODUCTION:
Raw materials:Apple/ pear fresh fruit (or concentrate jam)
End products: Finished flavored jam (or fruit plub).
Processing capacity: 25kg ~ 10T fresh fruit / hour. (5% of the waste: fruit pit, peel, etc.)
Effective Output: 5kg ~ 2T finished flavored jam (different fruit quality, variety, jam concentration with different output).
Sterilization methods: pasteurization,high temperature sterilization, UHT. (customized)
Terminal Packaging: bottles; PET bottles; tinplate cans; bags and other packaging.
| Raw material | Fresh fruits |
| Finished product | Concentrated Juice, NFC Fresh Nature Juice,pulp,Puree, etc. |
| Processing capacity | From 2tons/day to 2000 tons/day |
| Efficient input | 45% raw fruit (55% as waste, peels and seeds) |
| Fruit consistence | 7-12 Brix |
| End package | Aseptic bag/tin can/glass bottle/PET bottle, Etc. |
| Output | Can be calculated |
INTRODUCTION OF MAIN PROCESS: ( take orange for example)
Harvesting/collection
1.Oranges are harvested from large groves. Some citrus growers are members of cooperative packing and marketing associations, while others are independent growers. When the mature fruit is ready to pick, a crew of pickers is sent in to pull the fruit off the trees. The collected fruit is sent to packing centers where it is boxed for sale as whole fruit, or sent to plants for juice processing. The oranges are generally shipped via truck to juice extraction facilities, where they are unloaded by a gravity feed onto a conveyor belt that transports the fruit to a storage bin.
Cleaning/Grading
2.The fruit must be inspected and graded before it can be used. An inspector takes a 39.7 lb (18 kg) sample to analyze in order to make sure the fruit meets maturity requirements for processing. The certified fruit is then transported along a conveyor belt where it is washed with a detergent as it passes over roller brushes. This process removes debris and dirt and reduces the number of microbes. The fruit is rinsed and dried. Graders remove bad fruit as it passes over the rollers and the remaining quality pieces are automatically segregated by size prior to extraction. Proper size is critical for the extraction process.
Citrus oil extracting machine
The citrus oil extracting machines is specailly designed for grinding and extracting oil from citrus peel.The machine is made of sus304 material and with a high oil yield rate,the capacity for the citrus oil extractor is from 2-10 tons available.
Extraction
3. Proper juice extraction is important to optimize the efficiency of the juice production process as well as the quality of the finished drink. The latter is true because oranges have thick peels, which contain bitter resins that must be carefully separated to avoid tainting the sweeter juice. There are two automated extraction methods commonly used by the industry. The first places the fruit between two metal cups with sharpened metal tubes at their base. The upper cup descends and the fingers on each cup mesh to express the juice as the tubes cut holes in the top and bottom of the fruit. The fruit solids are compressed into the bottom tube between the two plugs of peel while the juice is forced out through perforations in the tube wall. At the same time, a water spray washes away the oil from the peel. This oil is reclaimed for later use.
The second type of extraction has the oranges cut in half before the juice is removed. The fruits are sliced as they pass by a stationary knife and the halves are then picked up by rubber suction cups and moved against plastic serrated reamers. The rotating reamers express the juice as the orange halves travel around the conveyor line.
When the mature fruit is ready to pick, a crew of pickers pull the fruit off the trees. Once collected, the fruit is sent to plants for juice processing. Before extraction, the fruit is cleaned and graded.
Some of the peel oil may be removed prior to extraction by needles which prick the skin, thereby releasing the oil which is washed away. Modern extraction equipment of this type can slice, ream, and eject a peel in about 3 seconds.
Citrus peel oil recovery system
The citrus oil recovery system needs two stage separating,the first separator is mainly for oil concentration,and the second stack centrifuge separator is for oil purification.
The first stage removes most of the water and insoluble solids from the emulsion.This stage may involve more than one desludging centrifuge,depending upon the volume being
processed.The oil-rich emulsion(cream)production by this centrifuge should have an oil ranging between 65% to 85%(and preferably>75% for best results).This oil-rich cream becomes the feedstock for the second stage polishing centrifuge.The second stage polishing centrifuge is where the remaining water and some cloudy particles are removed.The oil discharged from this stage is the fine essential oil that can be ready for storage.
Filtering
4.The extracted juice is filtered through a stainless steel screen before it is ready for the next stage. At this point, the juice can be chilled or concentrated if it is intended for a reconstituted beverage. If a NFC type, it may be pasteurized.
Concentration
5.Concentrated juice extract is approximately five times more concentrated than squeezed juice. Diluted with water, it is used to make frozen juice and many RTD beverages. Concentration is useful because it extends the shelf life of the juice and makes storage and shipping more economical. Juice is commonly concentrated with a piece of equipment known as a Thermally Accelerated Short-Time Evaporator, or TASTE for short. TASTE uses steam to heat the juice under vacuum and force water to be evaporated. Concentrated juice is discharged to a vacuum flash cooler, which reduces the product temperature to about 55.4° F (13° C). A newer concentration process requires minimal heat treatment and is used commercially in Japan. The pulp is separated from the juice by ultra-filtration and pasteurized. The clarified juice containing the volatile flavorings is concentrated at 50° F (10° C) by reverse osmosis and the concentrate and the pulp are recombined to produce the appropriate juice concentration. The flavor of this concentrate has been judged to be superior to what is commercially available in the United States and is close to fresh juice. Juice concentrate is then stored in refrigerated stainless steel bulk tanks until is ready to be packaged or reconstituted.
Reconstitution
6.When the juice processor is ready to prepare a commercial package for retail sale, concentrate is pulled from several storage batches and blended with water to achieve the desired sugar to acid ratio, color, and flavor. This step must be carefully controlled because during the concentration process much of the juice's flavor may be lost. Proper blending of juice concentrate and other flavor fractions is necessary to ensure the final juice product achieves a high quality flavor.
Pasteurization
7.Thanks to its low pH (about 4), orange juice has some natural protection from bacteria, yeast, and mold growth. However, pasteurization is still required to further retard spoilage. Pasteurization also inactivates certain enzymes which cause the pulp to separate from the juice, resulting in an aesthetically undesirably beverage. This enzyme related clarification is one of the reasons why fresh squeezed juice has a shelf life of only a few hours. Flash pasteurization minimizes flavor changes from heat treatment and is recommended for premium quality products. Several pasteurization methods are commercially used. One common method passes juice through a tube next to a plate heat exchanger, so the juice is heated without direct contact with the heating surface. Another method uses hot, pasteurized juice to preheat incoming unpasteurized juice. The preheated juice is further heated with steam or hot water to the pasteurization temperature. Typically, reaching a temperature of 185-201.2° F (85-94° C) for about 30 seconds is adequate to reduce the microbe count and prepare the juice for filling.
Packaging/filling
8 .To ensure sterility, the pasteurized juice should be filled while still hot. Where possible, metal or glass bottles and cans can be preheated. Packaging which can not withstand high temperatures (e.g., aseptic, multilayer plastic juice boxes which don't require refrigeration) must be filled in a sterile environment. Instead of heat, hydrogen peroxide or another approved sterilizing agent may be used prior to filling. In any case, the empty packages are fed down a conveyor belt to liquid filling machinery, which is fed juice from bulk storage tanks. The filling head meters the precise amount of product into the container, and depending on the design of the package, it may immediately invert to sterilize the lid. After filling, the containers are cooled as fast as possible. Orange juice packaged in this manner has a shelf life of 6-8 months at room temperature.
Fruit/Vegetable Juice,Jam,Paste,Syrup,Honey,Wine,Vinegar and Power etc Equipments,all can !
GENYOND MACHINERY INDUSTRIAL GROUP LIMITED
Add.:1328 Hengnan Road,Minghang District,Shanghai,China.
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