CN1109274A - Process for preserving Chinese chestnut and its working equipment - Google Patents
Process for preserving Chinese chestnut and its working equipment Download PDFInfo
- Publication number
- CN1109274A CN1109274A CN 94110345 CN94110345A CN1109274A CN 1109274 A CN1109274 A CN 1109274A CN 94110345 CN94110345 CN 94110345 CN 94110345 A CN94110345 A CN 94110345A CN 1109274 A CN1109274 A CN 1109274A
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- chinese chestnut
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- oven dry
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- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Storage Of Fruits Or Vegetables (AREA)
Abstract
The processing method is that fresh Chinese chestnuts are heated and ventilated to make them drying gradually, the heating temp. is not higher than 40-45 deg.C and finally the water content in Chinese chestnut is dropped to 5-10%. Said method can make the Chinese chestnut be stored up for a long perio of time without mildew and rot.
Description
What the present invention relates to is that fresh Chinese chestnut is processed processing, make it to reach can the long preservation purpose process technology.
Chinese chestnut is a kind of nutritious, the nut that is easily absorbed by the body again, thereby being subjected to liking of people, China is again a big country that produces Chinese chestnut, but because the intrinsic physical characteristic of Chinese chestnut itself, moisture content and content of starch are very high, be respectively 49.6% and 70%, Chinese chestnut breathed vigorous and produced a large amount of heats this moment, on the other hand Chinese chestnut dehydration reach water content about 40% in, the power that loses one's life but do not enter resting state, both of these case all can cause a large amount of of Chinese chestnut to go rotten; Simultaneously,, be easy to make the Li Ren surface to produce brown stain, not only changed original color and luster, and lost original unique delicious again because there is very high tannin polyphenol substance in Chinese chestnut benevolence inner surface.The difficulty that the storage aspect exists has seriously hindered the development of the deep processing industry of Chinese chestnut, producing the limited processing capacity in chestnut area makes Chinese chestnut overstock in a large number, go rotten, and various Chinese chestnut processed foods change original local flavor of Chinese chestnut to some extent, are difficult to make other regional people to enjoy its delicious food.Exemplify existing various Chinese chestnut storage procedures, as " Sha Zangfa ", " bamboo basket sawdust burying storage ", " bubble method " etc., these methods all exist storage little, the defective that storage period is short, and " bubble method " also is subjected to the restriction in season; For prolonging storage life, enable the cold storage method of freezer, if it is high to store its expense in enormous quantities,, but still be difficult to satisfy actual needs though storage life has certain prolongation.The mildew and rot rate of above-mentioned several method all reaches about 10%, therefore needs a kind of method that can make the complete storage of Chinese chestnut at present badly.
Goal of the invention of the present invention is to provide a kind of and guarantees that in storage period Chinese chestnut does not go rotten, never degenerates, Chinese chestnut processing and treating method that again can long term storage and according to the employed treatment facility of this method.
Chinese chestnut processing and treating method provided by the invention be with fresh Chinese chestnut place one be heated, the stable environment of wind-engaging, wherein temperature that this environment adds is the highest is no more than 40～45 ℃, reduced to 5～10% o'clock until the water content of Chinese chestnut, can break away from this environment and carry out long preservation.
The treatment facility of the above-mentioned processing and treating method of realization provided by the present invention, its principal character is that this equipment is by process chamber, hold the removable oven dry frame of Chinese chestnut, heater and ventilation unit are formed, the locular wall that process chamber is relative is provided with air vent, heater and ventilation unit are located at the air vent place, be divided into preheating space and dry place from the heater process chamber, the dry place two ends are respectively equipped with charging aperture and discharging opening, charging aperture, dry place, discharging opening and process chamber return charging aperture outward and are provided with a ring-shaped guide rail, oven dry is placed on this guide rail, Chinese chestnut in it carries out in dry place after drying handle, and drives the material back and moves to the charging aperture place along guide rail and adorn pending fresh Chinese chestnut and enter the processing of process chamber cyclic process.
Chinese chestnut processing and treating method provided by the invention is a principle of having simulated natural air drying, by low-temperature heat make Chinese chestnut institute water content therefrom the heart evaporate to epidermis gradually, simultaneously, rely on the directed flow of air that institute's evaporation moisture content is vapored away again, make water content in the Chinese chestnut progressively reduce to 5～10% safe water content, make its power that not only loses one's life, and eradicate the wherein living environment of various moulds, therefore the phenomenon of going rotten can not appear in the Chinese chestnut through this processing, thereby reached the purpose that makes the Chinese chestnut long term storage, its storage life can reach several years, can preserve in enormous quantities easily; Because the water content of Li Ren is higher than far away and trembles the water content of skin, Li Ren produces than the bigger contraction distortion of chestnut skin in processing procedure, Li Renyu chestnut skin is broken away from naturally, when its water content has only 5～10%, the Li Ren quality is hard, the chestnut skin is thin and crisp, and created advantage for Li Ren, chestnut skin separate this moment, and therefore processing and treating method of the present invention has also solved the Chinese chestnut decortication problem that perplexs people for a long time simultaneously.In sum, through the Chinese chestnut that the inventive method was handled, low to the preservation condition requirement, long shelf-life is for approach has been opened up in the multi-faceted exploitation of Chinese chestnut.
In processing procedure, if temperature and air quantity, especially temperature changes when being no more than a few hours significantly, the various nutrition that Li Ren is contained, particularly lip-deep tannin polyphenol substance can not change, thereby the Chinese chestnut after this condition is handled can keep original color and luster and taste, for the people beyond the producing region can taste, appreciate this delicious food provides may.
Fig. 1 is the contour structures schematic diagram of treatment facility of the present invention
Fig. 2 is the structural representation of the side-looking of oven dry car in the treatment facility
Fig. 3 is the plan structure schematic diagram of oven dry car in the treatment facility
Describe processing and treating method of the present invention and process equipment in detail below in conjunction with above accompanying drawing:
Treatment facility of the present invention comprises process chamber 1, holds the removable oven dry frame 4 of Chinese chestnut, heater 2 and ventilation unit 3 are formed, wherein insulation, the airspace that can be made by various materials of process chamber 1.As shown in the figure, for keeping temperature and reducing cost, process chamber 1 in the present embodiment is the microscler drying kiln that builds up with building brick, drying kiln 1 two ends are provided with air vent relatively, one air vent 15 is equipped with heater 2, another air vent 16 places are equipped with air-introduced machine 3, also can be used in same air vent 15 places heater and air blast are installed.Drying kiln 1 is divided into preheating space 11 and dry place 12 from heater 2, dry place 12 two ends are provided with discharging opening 13 and charging aperture 14, dry place 12 between discharging opening 13, charging aperture 14 and drying kiln 1 outside are provided with annular and are communicated with guide rail 5, and oven dry car 4 can slippage on guide rail 5.
Packaged type oven dry frame of the present utility model is an oven dry bassinet structure as shown in the figure, this oven dry car 4 is made up of the feed bin 41 that is used for the splendid attire Chinese chestnut, the power transmission shaft 42 of crossing feed bin 41 centers and the bearing support that is used for supporting drive shaft 42 43 that fixedly is seated on the roller chassis 45, feed bin 41 is surrounded by netted outer wall and constitutes, and by the bearing support of welded reinforcement 46 as this outer wall, feed bin 41 outer walls are provided with the bin gate 48 that Chinese chestnut is put into, drives out, open bin gate 48 and insert hoppers 6 Chinese chestnut of can packing in feed bin.In the present embodiment, oven dry car 4 feed bins are made up of a plurality of cylindrical netted outer wall feed bins, leave certain interval 7 as ventilating duct between each feed bin 41, and through some reinforcing bar 7a each feed bin 41 is fixed and welded together and is fixedly installed on the power transmission shaft 42, power transmission shaft 42 terminations are provided with the travelling gear 81 with driving-chain 8 engagements, drive by driving shaft 82, driving-chain 8 via motor 91 and reduction box 92, oven dry car 4 is moved, by power transmission shaft 42 feed bin 41 is rotated simultaneously, can make Chinese chestnut thermally equivalent, wind-engaging in the storehouse.
Before processing processing, fresh Chinese chestnut is screened, pack in the feed bin 41 by hopper 48 then, push in the dry place 12 by charging aperture along guide rail 5.The heater of process chamber of the present invention can be various heaters, as heating installation heating etc.; Ventilation unit can be air-introduced machine or air blast, and its model also can suitably be selected as required.At this, temperature height, air quantity are big, and then drying time is short; Temperature is low, air quantity is little, and then drying time is long.In the present embodiment, heater is selected electrothermal tube for use, its model is totally 30 of 1KW, wherein a part of electrothermal tube work makes kiln temperature reach 40 ℃, all the other electrothermal tubes are used to adjust kiln temperature, the highlyest are no more than 40～45 ℃, when temperature is too high, intermittently several electrothermal tubes are wherein cut off power supply, make the gradually slow reduction of kiln temperature; Otherwise, when temperature is hanged down, progressively will prepare electrothermal tube and power connection and make the stable rising of kiln temperature; In addition, the adapted blast is that 700～500Pa, air quantity are 15000～25000m
3The air-introduced machine of/h is handled the Chinese chestnut in the kiln drying car, and per car design load-bearing is 1.4 tons, can dry 1～2 sweep chestnut, and make the water content of Chinese chestnut reduce to 5～10% in 8 hours.
Claims (6)
1, a kind of processing and treating method of preserving Chinese chestnut, it is characterized in that this method is: fresh Chinese chestnut is placed an environment of heating, have certain air quantity, dry Chinese chestnut, wherein the peak of temperature is no more than 40～45 ℃, finally makes the water content of Chinese chestnut reduce to 5～10%.
2, processing and treating method according to claim 1, it is characterized in that to add temperature be constant.
3, processing and treating method according to claim 1 and 2 is characterized in that environment temperature is 40 ℃.
4, a kind of treatment facility of realizing claim 1 processing and treating method, it is characterized in that this treatment facility comprises process chamber (1), hold removable oven dry frame (4) and the heater (2) in the process chamber (1) and ventilation unit (3) of fresh Chinese chestnut, be divided into preheating space (11) and dry place (12) from heater (2) process chamber (1), dry place (12) two ends are provided with charging aperture (14) and discharging opening (13), through charging aperture (14), dry place (12), the outside charging aperture (14) that returns of discharging opening (13) and process chamber (1) is provided with a ring-shaped guide rail (5), portable oven dry frame (4) places on the guide rail (5), move into dry place (12) along guide rail through feeding gate (14), shift out after the processing and change fresh Chinese chestnut.
5, treatment facility according to claim 4, it is characterized in that portable oven dry frame (4) upward constitutes for feed bin (41), the power transmission shaft (42) that is installed on the splendid attire Chinese chestnut that is surrounded by netted outer wall on the same power transmission shaft (42) fixedly is seated roller chassis (45) through bearing support (43), each oven dry car (4) move and rotation of feed bin (41) is to be driven by the travelling gear (81) of driving-chain (8) through power transmission shaft (42) termination to realize, guaranteeing to dry Chinese chestnut in the car (4) can thermally equivalent, wind-engaging.
6, according to claim 4 or 5 described treatment facilities, it is characterized in that for making evenly drying of Chinese chestnut, oven dry car (4) is to be made of a plurality of cylindrical feed bins (41) that surrounded by netted outer wall that are installed on the same power transmission shaft (42), leaves certain interval (7) between each feed bin (41) as the fixing welding of ventilating duct together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94110345A CN1041164C (en) | 1994-06-20 | 1994-06-20 | Process for preserving Chinese chestnut and its working equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN94110345A CN1041164C (en) | 1994-06-20 | 1994-06-20 | Process for preserving Chinese chestnut and its working equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1109274A true CN1109274A (en) | 1995-10-04 |
| CN1041164C CN1041164C (en) | 1998-12-16 |
Family
ID=5034320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94110345A Expired - Fee Related CN1041164C (en) | 1994-06-20 | 1994-06-20 | Process for preserving Chinese chestnut and its working equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1041164C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104544501A (en) * | 2014-12-30 | 2015-04-29 | 云南云澳达坚果开发有限公司 | Macadimia nut drying device with weighing devices and macadimia nut drying method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162940A (en) * | 1979-06-06 | 1980-12-18 | Daikin Ind Ltd | Method and apparatus for preserving japanese chestnut |
| JPS59140829A (en) * | 1983-01-28 | 1984-08-13 | Kikkoman Corp | Production of packaged peeled chestnut |
| JPH07114628B2 (en) * | 1990-03-12 | 1995-12-13 | 株式会社ニチレイ | Chestnut storage |
-
1994
- 1994-06-20 CN CN94110345A patent/CN1041164C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104544501A (en) * | 2014-12-30 | 2015-04-29 | 云南云澳达坚果开发有限公司 | Macadimia nut drying device with weighing devices and macadimia nut drying method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1041164C (en) | 1998-12-16 |
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| C14 | Grant of patent or utility model | ||
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Addressee: Wang Mingfu Document name: Notification of Termination of Patent Right |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |