CN106418338B - A method of quickly preparing dry pumpkin - Google Patents
A method of quickly preparing dry pumpkin Download PDFInfo
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- CN106418338B CN106418338B CN201611146390.9A CN201611146390A CN106418338B CN 106418338 B CN106418338 B CN 106418338B CN 201611146390 A CN201611146390 A CN 201611146390A CN 106418338 B CN106418338 B CN 106418338B
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Abstract
The present invention relates to the methods that one kind quickly prepares dry pumpkin, belong to technical field of agricultural product process.It the steps include: first that fresh pumpkin slice is evenly laid out on water-removing container, with a thickness of 3-5cm, it is indoor to be sent into water-removing, and water-removing 42-52 seconds is carried out at 62-67 DEG C；Pumpkin after being finished；Then 20-40 DEG C is cooled to through natural cooling and strength；Then pumpkin after cooling is placed in roasting plant by the way of more piece baking and is toasted, the pumpkin after being toasted；When more piece is toasted, the baking of odd number section is toasted using enterprising hot wind, lower outlet air by the way of, even number section toasts under into toasting by the way of hot wind, upper outlet air；Total time when baking controlled at 71-78 DEG C, baking is 40-60 minutes；Finished product is obtained through resurgence after baking.Present invention process is simple, high-efficient, products obtained therefrom function admirable and stabilization, while quality product output capacity is high, is convenient for large-scale pipeline production application.
Description
Technical field
The present invention relates to the methods that one kind quickly prepares dry pumpkin, belong to technical field of agricultural product process.
Background technique
Pumpkin contains the ingredients such as starch, protein, carrotene, vitamin B, vitamin C and calcium, phosphorus.Its is full of nutrition,
Melon dish is often eaten for masses.Pumpkin not only has very high edible value, but also has very important food therapy value.According to " Yunnan
Southern book on Chinese herbal medicine " it records: pumpkin is warm-natured, sweet in flavor nontoxic, enters spleen, the warp of stomach two, and energy moistening lung qi-benefitting, resolving sputum row is dense, and expelling parasite removing toxic substances is controlled cough and stopped
The effects of asthma, diuresis.
The preparation method of existing dried pumpkin mainly include the following types:
1, the method as documented by 201410793061.8 patents comprising:
(1) it raw material: selects mature without overdone, nothing is rotten, makees raw material without bad spot, disease-free pumpkin；(2) peeling is cut
Piece: the pumpkin chosen is cleaned, crust is pruned, excavates melon pulp, be cut into uniform block piece, the thickness of block piece is in 0.5~1.2mm；
(3) color protection: by the melon block cut leaching people's concentration be 1~2% NaCl in impregnates 4~8 hours, taking-up with clear water rinsing 3~
10min；(4) harden: with 3~6% fresh lime impregnate melon block 1~4 hour, taken out after fully hardened, with clear water rinsing 3~
8 minutes, then impregnate after 2~3h purifies extra lime, it changes clear water and impregnates 6~10h at normal temperature；(5) match sugar making liquid: using water:
White granulated sugar: citric acid=1:2:0.05 boils made of 15min；(6) the melon block handled well first time sugaring: is put into people's boiling water
In boil 2-5min, fish out in cold water cooling, then drain well sugaring 24 hours immediately；(7) second of sugaring: for the first time
It is 50% liquid glucose for being heated to boiling that melon block after sugaring, which pours into people containing inverted sugar, is continued sugaring 24 hours；(8) sugared for the first time
Boil: adjustment sugar concentration boils 10min, then impregnate 12h to 50%；(9) candy for the second time: to pull melon block out, liquid glucose is put in people's pot
Heating adjusts sugar concentration to 65~70%, melon block is put into, after boiling 20~30min, then is impregnated for 24 hours, until melon block is transparent
When, it is heated to 80 DEG C and pulls melon block out, draining sugar liquid after taking the dish out of the pot；(10) it dries: the melon block after sugar system, draining sugar liquid, it is single
Layer is divided and carries out 6~8h of baking in the baking oven for be placed in baking pan 70~75 DEG C, and it is tack-free to be dried to melon block, somewhat resilient, takes out
It is cooling；(11) it packs: the pumpkin slice being cooled to room temperature, using vacuum packaging.
2. such as documented method in 201310359772.X patent comprising following step:
(l) selected high-quality pumpkin, is removed the peel with skiving machine, then manually goes son to interior no root；
(2) pumpkin is manually cut fritter, then machine-cut is in blocks, and piece thickness is 2mm~4mm:
(3) pumpkin slice is put into blanching in boiling water pot, be then placed in cold water cooling；
(4) pumpkin slice single layer balance after cooling, gap is stayed between pumpkin slice, balance is placed on to the baking that can hold balance
On grill, then baking rack is pushed into tunnel oven and is baked 5 minutes~10 minutes to pumpkin slice with 40 DEG C~70 DEG C of temperature
Water content be 40%~60%；
(5) dried pumpkin of drying is taken out from baking oven, is packed with packing machine inflated with nitrogen, it is for sale is then placed in warehouse.
The above method either has that technique is too long, production efficiency is low or is difficult to control there are product quality.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the methods that one kind quickly prepares dry pumpkin；Its products obtained therefrom nutrition
Conservation rate is high, reconstitution rate is high, crisp after color anabiosis rate height, culinary art after water logging, while this method also has quality product
The high advantage of rate.
The method that one kind of the invention quickly prepares dry pumpkin, includes the following steps:
Step 1 water-removing
Will be evenly laid out on water-removing container after fresh squash tissue slice, with a thickness of 3-5cm, it is sent into water-removing interior, in 62-
67 DEG C, preferably 63-65 DEG C carry out water-removing 42-52 seconds, preferably 48 seconds；Pumpkin after being finished；
Step 2 is cooling
After carrying out natural cooling 10-15 minutes to the pumpkin after water-removing obtained by step 1, progress strength is cooling, is cooled down
Pumpkin afterwards；The strength cooling is that the temperature of pumpkin is down to 20-40 DEG C in 1-2 minutes；
Step 3 baking
Pumpkin after cooling obtained by step 2 is placed in roasting plant by the way of more piece baking and is toasted, is obtained
Pumpkin after baking；The joint number of the more piece baking is 18-24 section；When more piece is toasted, used on the contrary between adjacent baking section
Into-air-out mode, i.e., enterprising hot wind, lower outlet air are alternately arranged under into the roasting mode of hot wind, upper outlet air；Temperature is controlled when baking
Degree is 71-78 DEG C, is preferably 75 DEG C；The total time of the baking is 40-60 minutes；The roasting plant contains 18-24 section and dries
Roasted room；
Step 4 resurgence
Resurgence processing is carried out to the pumpkin after baking obtained by step 3, obtains water content in the finished product of 13-15%.
Preferably, the method that present invention one kind quickly prepares dry pumpkin, the method operate on assembly line,
The assembly line includes the pan feeding collating unit being successively set on material-transporting system, steaming apparatus, drying dress
It sets, get damp again processing equipment；
The pan feeding collating unit includes the tooth harrow roller for being arranged horizontally in conveyer belt feeding end, by tooth harrow on conveyer belt
Stacking material flattened；
The material-transporting system includes ventilative conveyer belt；The conveyer belt use steel wire, the two of the steel wire
Side is connected with two groups of conveyor chains respectively, and two groups of conveyor chains drive by the way that chain-drive mechanism is synchronous respectively；
The steaming apparatus includes the water-removing room being arranged on material-transporting system, the water-removing room closing setting, two
End side surface is equipped with the channel for the vegetables material disengaging on material-transporting system, and the conveyer belt of the material-transporting system is through logical
Water-removing room is crossed, and water-removing room is divided into two cavitys up and down, wherein upper chamber is connect with superheated steam system, lower chamber
Body is connect with water vapor system；
The upper chamber outer wall of the water-removing room is equipped with superheated steam interface tube, is connected and is overheated by superheated steam interface tube
Steam pipe, the overheated steam pipe are connect with the water-removing blower with heater, form superheated steam system, to the top of water-removing room
Superheated steam is passed through in cavity；The outer wall of the water tank be equipped with water inlet tube interface and drain interface, respectively with water inlet pipe and row
Water pipe connection；
Setting aeration interface below the high water tank, passes through superheated steam by aeration interface and superheated steam interface tube
Pipe is connected in parallel with superheated steam system, is thermally formed water vapor system to the water aeration in water tank by superheated steam, directly
Water vapour is generated in water tank；The overheated steam pipe is equipped with superheated steam size control valve；
The drainpipe is connect with water-level regulator；The water-level regulator include adjustment barrel, adjusting sleeve pipe, fixing pipe and
Outlet pipe, wherein the adjustment barrel is concordant with water tank to be arranged, and the fixing pipe is fixed in adjustment barrel vertically, the bottom of fixing pipe
The drainpipe of portion and water tank connects into U-shaped communicating pipe, and top is docked by screw thread with adjusting sleeve pipe, the highest of the adjusting sleeve pipe
The top that height is no more than adjustment barrel is adjusted, the outlet pipe is arranged in adjustment barrel bottom, separates with fixing pipe；
The drying unit includes the drying room being arranged on material transmission system, the drying room closing setting, two
End side surface is equipped with the channel passed in and out for material-transporting system, and the conveyer belt of the material-transporting system extends through drying room, will
Drying room is divided into two cavitys up and down, is equipped with drying wind of the several groups with heater along belt direction outside the drying room
Machine, the air inlet and air outlet of the drying blower pass through the upper of hot wind admission line and hot wind outlet pipe and drying room respectively
Lower two cavitys series connection, carries out hot air circulation drying into drying room；
It is arranged alternately hot wind intake interface respectively along the direction of conveyer belt on the upper and lower cavity of the drying room and hot wind goes out
Gas interface, and docked respectively with the hot wind admission line of corresponding position drying blower and hot wind outlet pipe, it realizes along conveyer belt
The alternately inverted circulation in hot air circulation direction of all drying blowers of direction arrangement；
Several humid air outlet interfaces are additionally provided on the drying room, the humid air outlet interface is evacuated by humid air
Pipeline is connected to the air inlet of wet-emitting blower, and the air outlet of the wet-emitting blower is connected to outdoor by humid air exhaust pipe；
The hot wind admission line or hot wind outlet pipe, which are equipped with, mends air valve；
The conditioning device is docked with the outlet of most end level-one drying unit；And conveyer belt runs through conditioning device；
When quickly preparing dry pumpkin with above equipment, include the following steps:
Step A water-removing
It will be laid on ventilative conveyer belt after fresh squash tissue slice, the stacking material on conveyer belt carried out by tooth harrow
Leveling, until pumpkin is laid on ventilative conveyer belt and with a thickness of 3-5cm；Then water-removing interior, water-removing are sent by conveyer belt
Equipment overheat vapour system is sent into the superheated steam that temperature is 160-170 DEG C, and aeration interface send 160-170 DEG C of superheated steam
Enter into water tank, superheated steam is sent by regulation superheated steam system and is aerated the amount that interface is sent into superheated steam, reaches
Controlling fixing temperature is 62-67 DEG C, preferably 63-65 DEG C；The running speed of control conveyer belt makes fixation time be 42-52
Second, preferably 48 seconds；Pumpkin after being finished；
Step B is cooling
Conveyer belt takes the pumpkin after water-removing obtained by step A out of water-removing room, after carrying out natural cooling 10-15 minutes, carries out
Strength is cooling, obtains pumpkin after cooling；The strength cooling is that the temperature of pumpkin is down to 20-40 DEG C in 1-2 minutes；
Step C baking
Pumpkin after cooling obtained by step B is placed in roasting plant by the way of more piece baking by conveyer belt to be dried
It is roasting, the pumpkin after being toasted；The joint number of the more piece baking is 18-24 section；When more piece is toasted, used between adjacent baking section
It is opposite into-air-out mode, i.e., enterprising hot wind, lower outlet air are alternately arranged under into the roasting mode of hot wind, upper outlet air；When baking
Controlled at 71-78 DEG C, preferably 75 DEG C；The total time of the baking is 40-60 minutes；
Step D resurgence
Pumpkin after baking obtained by step C is brought into and carries out resurgence processing in conditioning device by conveyer belt, and obtaining water content is
The finished product of 13-15%；The resurgence processing successively includes that water mist gets damp again and gets damp again naturally.
In step 3 or step C of the present invention, when more piece is toasted, using opposite into-outlet air side between adjacent baking section
Formula, i.e., enterprising hot wind, lower outlet air are alternately arranged under into the roasting mode of hot wind, upper outlet air；Such as the baking of odd number section is using upper
Into hot wind, lower outlet air mode toast, even number section toasts under into toasting by the way of hot wind, upper outlet air.
The method that one kind of the invention quickly prepares dry pumpkin, squash tissue slice is with a thickness of 0.3-2cm.
The method that one kind of the invention quickly prepares dry pumpkin, the gas outlet of steaming apparatus superheated steam system is apart from conveyer belt
The distance of upper fresh pumpkin is 15-30cm.
The method that one kind of the invention quickly prepares dry pumpkin, when water-removing, liquid level in the water tank fresh south on conveyer belt
The distance of melon is 10-20cm.
Scheme as a further preference, definition: preceding 8-13 section baking vessel is first order roasting plant, remaining baking vessel
For second level roasting plant；
A conveyer belt is arranged in every grade of drying room, and the conveying end of tape of upper level drying room is located at next stage drying room
Above conveyer belt head end, and partly overlap；When handling pumpkin, through first order roasting plant, treated that pumpkin falls into that next stage dries
On the conveyer belt of dry chamber.
The method that one kind of the invention quickly prepares dry pumpkin, when baking, control toast indoor relative humidity 40% with
Under.
The method that one kind of the invention quickly prepares dry pumpkin, when water mist gets damp again, the temperature for controlling water mist is 40-50 DEG C, water
The time of mist resurgence is 3-5 seconds.
The case where method that one kind of the invention quickly prepares dry pumpkin, there is also certain bonding transmission belts, under this is also
The one step work difficult point and main points to be overcome.
Advantage
The present invention realizes the serialization of pumpkin drying technics, standardized production；The processing time is greatly saved in it.Simultaneously
Crisp, high-quality production after color anabiosis rate height, culinary art after its products obtained therefrom nutritive value conservation rate original text, reconstitution rate height, water logging
Product rate is high.
Fixing temperature of the present invention and fixation time are appropriate, by the synergistic effect with other conditions, are guaranteeing beneficial to living
Property substance while, it is high to improve color anabiosis rate and quality product rate after the mouthfeel of product, reconstitution rate, water logging.
Detailed description of the invention
Fig. 1 is the overall schematic of the dry process line used in embodiment.
Fig. 2 is the pan feeding collating unit schematic diagram in embodiment.
Fig. 3 is the steaming apparatus outside schematic diagram in embodiment.
Fig. 4 is the steaming apparatus schematic internal view in embodiment.
Fig. 5 is the water-level regulator schematic diagram in embodiment.
Fig. 6 is the first-level transport band schematic diagram in embodiment.
Fig. 7 is the first-level transport band connection schematic diagram in embodiment.
Fig. 8 is the level-one drying unit schematic diagram in embodiment.
Fig. 9 is dry-heat air and humid air circulation schematic diagram in the level-one drying unit in embodiment.
Figure 10 is the docking schematic diagram between 2 grades of drying units in embodiment.
Figure 11 is the second level drying unit schematic diagram in embodiment.
Figure 12 is the connection schematic diagram of the second level drying unit and conditioning device in embodiment.
Figure label:
1- material-transporting system, 101- rack, 102- first-level transport band, 103- active roll, 104- entrust roller, 105-
Driven roller, 106- Power Component, 107- conveyor chain, 112- two-stage conveying band；122- gets damp again conveyer belt naturally
2- pan feeding collating unit, 201- tooth harrow roller, 202- pan feeding arrange motor, 203- shaft coupling；
3- steaming apparatus, 32- water-removing room, 32 '-water tanks, 321- water-removing access way, 322- superheated steam interface tube,
322 '-aeration interfaces, 323- water inlet tube interface, 324- drain interface, 33- water-removing superheated steam, 331- overheated steam pipe,
332- superheated steam size control valve, 333- water-removing blower, 334- water-removing heater, 34- water vapour, 341- water inlet pipe,
342- drainpipe, 343- water-level regulator, 3431- adjustment barrel, 3432- adjusting sleeve pipe, 3433- fixing pipe, 3434- outlet pipe；
4- level-one drying unit, 42- drying room, 421- hot wind intake interface, 422- hot wind outlet interface, 423- humid air
Outlet interface, 43- dry dry-heat air, 431- hot wind admission line, 432- hot wind outlet pipe, 433- drying blower, 434-
Drying heater, 435- mend air valve, 44- humid air, 441- humid air pump-line, 442- wet-emitting blower, 443- humid air
Exhaust pipe；
5- second level drying unit；
66- resurgence sprayer；
7- cooling section；
8- control system, 801- velocity sensor, 802- temperature sensor, 803- humidity sensor, 804- controller；
9- material.
Specific embodiment
Embodiment 1；
Drying process line in Fig. 1 is the preferred embodiment of the present invention, specifically includes material-transporting system 1, enters
Collating unit 2, steaming apparatus 3, level-one drying unit 4, second level drying unit 5, cooling section 7 and control system are expected, wherein entering
Expect clearing system 2, steaming apparatus 3, resurgence sprayer 66, cooling section 7, level-one drying unit 4, second level drying unit 5 successively edge
The conveying direction of material is arranged on material-transporting system 1.
Specifically as shown in Fig. 2, the pan feeding collating unit 2 in the present embodiment includes being arranged horizontally in conveyer belt feeding end
Tooth harrow roller 201, tooth harrow roller 201 are mounted on above the conveyer belt of material-transporting system 1 by the support of bearing, and the one of tooth harrow roller 201
End arranges motor 202 by shaft coupling 203 and pan feeding and connect, equipped with several rake teeths on tooth harrow roller 201, to accumulating on conveyer belt
Pumpkin material flattened, guarantee enter following process device conveyer belt on material it is smooth.
It include the water-removing being arranged on material-transporting system in conjunction with the steaming apparatus main body referring to Fig. 3 and Fig. 4, the present embodiment
Room 32, water-removing room 32 are that (closed state refers to superheated steam and water vapour in the water-removing of relative closure to a closing box-structure
Interior carries out concentration water-removing to vegetables, without largely spilling into the outdoor region of water-removing), in the tank ends side of water-removing room
Face is equipped with the water-removing access way 321 for the vegetables material disengaging on material-transporting system, and water-removing room one end channel and pan feeding are whole
Device docking is managed, the first-level transport band 102 of material-transporting system extends through water-removing room 32, ventilative first-level transport from the channel
Water-removing room 32 is divided into two cavitys up and down by band 102, wherein the upper chamber of water-removing room is connect with superheated steam system, lower part
Cavity is connect with water vapor system, and fresh day lily is laid on ventilative first-level transport band 102, carries out heat into water-removing room
Wind and water vapour mixing water-removing.
Specifically, the superheated steam system in steaming apparatus 3 includes overheated steam pipe 331, superheated steam size regulating valve
Door 332, water-removing blower 333 and water-removing heater 334 directly generate overheat by the water-removing blower 333 with water-removing heater 334
Steam is connected to the superheated steam interface tube 322 of water-removing 32 upper chamber of room setting by overheated steam pipe 331, to conveyer belt
The water-removing interior of top is passed through water-removing superheated steam 33, and superheated steam interface tube 322 is evenly arranged in the top of water-removing room, 160-
After 170 DEG C of water-removing superheated steam 33 enters water-removing room, forms static pressure and the fresh vegetables material 9 on conveyer belt is added downwards
Heat.The superheated steam size control valve 332 being arranged on overheated steam pipe 331, which can control, delivers into the indoor heat of water-removing
Wind flow.
Water-removing room lower cavity positioned at 102 lower section of first-level transport band is set as water tank 32 ', on the outer wall of water tank 32 '
Equipped with water inlet tube interface 323 and drain interface 324, wherein water inlet tube interface 323 is located at the top of water tank 32 ', and drainpipe connects
Mouth 324 is located at 32 ' bottom of water tank, and water inlet tube interface 323 and drain interface 324 connect with water inlet pipe 341 and drainpipe 342 respectively
It connects, water is packed into water tank, water vapor system is directly formed in water-removing room lower cavity by water tank 32 ' and heating component.
Can steam heating device directly be arranged in water tank bottom in the heating component of water vapor system, by heating water tank
Water formation water vapour is rising upwards, carries out high-temperature fixation to the vegetables material on the conveyer belt of top.The present embodiment is using general
The superheated steam of the room upper chamber that finishes connection introduces in water tank, carries out aeration heating to the water in water tank and generates water vapour, section
The about cost of heating component, water mist accounting is larger in the water vapour generated in this way, wet when can satisfy water-removing
Degree requires, and the steam temperature of rising is far below the superheat steam temperature of top, and the overheat being passed directly into top when water-removing is steamed
Vapour mixing reaches the vapor (steam) temperature (85 DEG C -95 DEG C) for being suitble to water-removing.
Specifically, be provided with aeration interface 322 ' below the water tank 32 ' liquid level of the present embodiment, the aeration interface 322 ' with kill
The superheated steam interface tube 322 of green 32 top of room setting is connected in parallel by overheated steam pipe 331, and finish blower 333 and water-removing
The superheated steam that heater 334 conveys enters simultaneously in the upper chamber and lower part water tank of water-removing room, and finish 32 upper chamber of room
Interior water-removing superheated steam static pressure directly down to the indoor formation hot environment that finishes, while entering water-removing room lower part water tank 32 '
Interior superheated steam is aerated agitation in water, is converted into that water vapour is rising upwards, through conveyer belt and the superheated steam of top one
The water-removing that liquidates is carried out with to vegetables material.Valve can be respectively set in superheated steam interface tube 322 and aeration interface 322 ', adjusted
The flow of hot steam and water vapour.
In view of the requirement of different vegetables material water-removings is different, some requirement humidity is bigger (water vapour accounts for major part),
Some requirements are more dry (superheated steam accounts for major part), and the present embodiment is by the drainpipe 324 and water-level regulator of water tank 32 '
343 connections, for height of liquid level in regulating tank, the position to be liquidated by adjusting height of liquid level to water vapour and superheated steam.
As shown in figure 5, the water-level regulator 343 includes adjustment barrel 3431, adjusting sleeve pipe 3432, fixing pipe 3433 and goes out
Water pipe 3434；The setting concordant with water tank 32 ' of adjustment barrel 3431, the fixing pipe 3433 are fixed on adjustment barrel 3431 vertically
Interior, the bottom of fixing pipe 3433 and the drainpipe 324 of water tank 32 ' connect into U-shaped communicating pipe, and the top of fixing pipe 3433 passes through spiral shell
The highest that line docks the adjusting sleeve pipe 3432 with adjusting sleeve pipe 3432 adjusts the top that height is no more than adjustment barrel 3431, is adjusting
The outlet pipe 3434 that the bottom setting of section cylinder is separated with fixing pipe.Water inlet pipe 341 is connect with water source, is passed through into water tank 32 ' dry
Net water, while water tank 32 ' is connect by drainpipe 342 with the fixing pipe 3433 in adjustment barrel, the liquid at 3433 top of fixing pipe
Position height, the height that can be adjusted by the thread fixing pipe at the top of concordant with the liquid level in water tank 32 ', realizes liquid level in water tank
Adjusting, the water overflowed at the top of fixing pipe 3433 enters adjustment barrel, and passes through 3434 row of outlet pipe of adjustment barrel bottom
Out at Waste Water Centralized.
The steaming apparatus of the present embodiment further includes control system, and the control system includes that controller 804 and setting exist
Velocity sensor 801 on first-level transport band 102, the temperature sensor 802 and humidity sensor being arranged in water-removing room 32
803, the velocity sensor 801, temperature sensor 802 and humidity sensor 803 are connected with controller 804 by signal respectively
It connects.Velocity sensor 801 detects the material transmission speed on first-level transport band 102, and it is indoor in water-removing further to control material
Fixation time, multiple temperature sensors 802 and humidity sensor 803 are arranged in the indoor each position of water-removing, kill for detecting
Green indoor parameters, after the signal that each sensor will test is transferred to controller, through sensor calculation processing, with setting
Value compare after, automatically adjust the heating temperature, hot wind magnitude regulator, conveyer belt movement velocity of heat generator
Deng keeping each parameter in setting range, while different water-removing parameters can be arranged according to different pumpkin types.About speed
The sensing detections such as sensor, temperature sensor and humidity sensor technology and control technology are conventional automation control means,
Those skilled in the art can carry out selection design according to the prior art, and the present embodiment does not go to live in the household of one's in-laws on getting married to its specific control principle herein
It states.
In conjunction with referring to Fig. 6 and Fig. 7, by taking the material-transporting system of steaming apparatus as an example, the corresponding material of steaming apparatus is conveyed
System includes rack 101, active roll 103, first-level transport band 102, entrusts roller 104, driven roller 105, Power Component 106
With conveyor chain 107, active roll 101 and driven roller 105 are arranged in the rack 101 at the water-removing outer both ends in room 32, and one
Grade 102 frame of conveyer belt is entrusted roller 104 and is mounted in rack 101, hold from down on active roll 101 and driven roller 105
First-level transport band 102 prevents from falling down, and keeps the smooth transmission of conveyer belt.Power Component 106 uses motor and speed reducer component,
It is sequentially connected with active roll 103.
First-level transport band 102 in the present embodiment uses steel wire, and the mesh size of steel wire should be guaranteed that pumpkin can
Complete laying, while there is good gas permeability, as shown in fig. 6, the two sides of steel wire are fixed on two groups by screw fastener
The inside of conveyor chain 107 of parallel arrangement, corresponding active roll 103, entrust roller 104 and driven roller 105 be all made of with
The sprocket wheel of transmission chain cooperation, is coaxially connected between the respective sprockets of two groups of conveyor chains, realizes the transmission for passing through two groups of chains
Drive the transmission of steel wire synchronism stability.
The conveyer belt that entire material-transporting system in the present embodiment uses uses the same structure with steaming apparatus.
Equipment involved by the present embodiment work when, Power Component 106 by chain-drive mechanism drive first-level transport band 102 to
Preceding movement, pumpkin to be processed are uniformly laid on first-level transport band 102, are moved with first-level transport band 102 into water-removing room 32,
Clean water is introduced water tank 32 ' by water inlet pipe 341, and water-removing blower 333, which works, blows air, water-removing heating to 331 direction of hot air pipe
The air that blows of blower 333 that will finish of device 334 is heated to after required temperature be delivered to water-removing 32 top of room respectively along hot air pipe 331
In cavity and water tank 32 ', the downward static pressure of dry-heat air 433 is dried in the intracorporal water-removing of water-removing 32 upper chambers of room, and the heat in water tank is empty
Gas is contacted with water agitation, and evaporation from water surface generates a large amount of transpirations upwards of water vapours 4, and water vapour is together with hot wind to first-level transport band
Pumpkin on 102 is material bed to finish, and the dry-heat air on top guarantees the temperature of water-removing, and water vapour then guarantees to finish in room 32
Humidity prevents from causing pumpkin nutrient material damage and discoloration because temperature is too high, pumpkin with first-level transport band 102 from water-removing room 32
It is interior come out after complete water-removing process, with first-level transport band 102 enter following process link.Velocity sensor 801, water-removing Indoor Temperature
The parameters during sensor 802 and the water-removing of 803 real-time detection of humidity sensor are spent, and will test signal and be sent to control
Device 804, after the signal of 804 processing detection of controller with setting value comparison after, the heating temperature of automatic adjustment water-removing heater 334
The power revolving speed of degree, hot wind size control valve 332, Power Component 106 keeps each parameter within the set range.
As shown in Figure 1, cooling section 7, cooling section 7 is arranged in the present embodiment between steaming apparatus 3 and subsequent drying unit
Pumpkin material after water-removing is cooled down, it can be right by the exposure of the conveyer belt between steaming apparatus and drying unit in air
Pumpkin after water-removing carries out natural cooling, and the pumpkin after water-removing can also be passed through in a closed box, blow cold progress by blower
Cooling is forced, a kind of type of cooling can be separately provided according to the height and needs of the fixing temperature cooling time in practical application
Or two kinds of type of cooling combination settings.
It referring to Fig. 8 and Fig. 9, is illustrated by taking level-one drying unit 4 as an example, the drying unit main body in the present embodiment includes
Drying room 42 on device for transporting objects is set, the drying room 42 of level-one drying unit 4 is arranged on first-level transport band 102,
First time drying is carried out to the material transmitted from steaming apparatus 3 and cooling section 7.
Specifically, drying room 42 is that (closed state refers to hot gas in the space of a relative closure to pumpkin for a closing
Carry out concentrate drying drying) shell structure, drying room 42 two end side surfaces be equipped with two opposite drying access ways, protect
Hot wind in card drying course all acts on the pumpkin material on delivered inside band, and conveyer belt 1 is passed through from drying access way
Drying room 42 is crossed in break-through, the inner cavity of drying room is divided into two cavitys up and down, along the direction of conveyer belt outside drying room 42
Set on the drying blower 433 of five groups of drying heaters 434, the air inlet and air outlet for drying blower 433 pass through hot wind respectively
Admission line 431 and hot wind outlet pipe 432 are connected with two cavitys up and down of drying room, and the hot wind that drying blower is advertised enters
One of drying room cavity carries out hot-air seasoning to indoor pumpkin is dried, while hot wind passes through after conveyer belt from another
Cavity is pumped to drying blower again, and every group of drying blower forms circulating air in the upper and lower cavities of drying room.
The quantity of drying blower can be set according to the length of drying room and the spacing of wind turbine layout.
In conjunction with referring to fig. 2, the upper and lower cavity being separated into the drying room 42 of the present embodiment by conveyer belt is along the side of conveyer belt
To being arranged alternately hot wind intake interface 421 and hot wind outlet interface 422 respectively, in the present embodiment on drying room upper cavity outer wall
It is successively arranged alternately hot wind intake interface 421 and hot wind outlet interface 422 in sequence, then is pressed on drying room lower chamber outer wall
According to being sequentially successively arranged alternately hot wind outlet interface 422 and hot wind intake interface 421, the hot wind intake interface of same vertical direction
421 and the hot wind admission line 431 and hot wind outlet with same group of drying blower of corresponding position respectively of hot wind outlet interface 422
Pipeline 432 docks, and realizes the loop direction alternating of the drying dry-heat air 43 for all drying blowers arranged along belt direction
Conveyer belt is passed back through, it can be achieved that the pumpkin of pumpkin and conveyer belt bottom to conveyer belt upper surface is uniformly dried.
In practical applications, five groups of drying blowers are provided entirely in baking by the centralized management and maintenance for considering drying blower
The same side of dry chamber 42, hot wind intake interface 421 and hot wind outlet interface 422 are then arranged on the ipsilateral side of drying room.
The humid air 44 of a large amount of moisture content can be generated during the drying process, if the present embodiment is additionally provided on drying room 42
Dry and wet air outlet interface 423 is connected to the wet-emitting blower 442 being arranged outside drying room, hydrofuge by humid air pump-line 441
The air inlet of blower 442 is connect with humid air pump-line 441, and air outlet then passes through humid air exhaust pipe 443 and freely discharges
Or it is connected to the condensation water collection system on the outside of drying room.
The position of humid air outlet interface 423 be arranged in corresponding drying room the drying room downside in hot air circulation direction or
Top surface, such as drying indoor hot air is to be circulated up, then corresponds to the humid air outlet interface setting of the circulating air in drying ceiling
Face, such as drying indoor hot air is that circulation, then the humid air outlet interface for corresponding to the circulating air are arranged under drying room downwards
Cavity side.The position of humid air outlet interface 423 does not require to correspond with hot wind intake interface and hot wind outlet interface, only
Need to be arranged on the path close to hot air circulation, and be preferentially arranged in hot air circulation inlet and outlet connectors opposite flank and
Top surface, avoids the direct loss of dry-heat air, and 423 quantity of humid air outlet interface can also be set according to actual needs.
Indoor pressure is dried after transferring the humid air containing moisture in space due in drying room 42 being relative closure
Power can decline within a certain period of time, can be arranged on hot wind admission line 431 or hot wind outlet pipe 432 and mend air valve 435,
The present embodiment will mend air valve 435 and be arranged on hot wind admission line 431, be located on drying heater 434, can pass through baking in this way
It does indoor negative pressure to suck fresh air, while being sent into drying room after can also directly heating the fresh air filled into, avoid because of fresh air
It causes to dry indoor temperature decline.
Mending air valve 435 can be used manually valve plate or the automatic valve by Electronic control.
In conjunction with referring to Figure 10, Figure 11 and Figure 12, the present embodiment is connected using second level drying unit, every level-one drying unit pair
One conveyer belt should be set, and wherein second level drying unit 5 is arranged on two-stage conveying band 112.
In conjunction with referring to Fig. 8, realizes that the overturning of material is docked by drop between the conveyer belt of adjacent two-stage drying room, such as scheme
Shown in 10,102 end of first-level transport band of level-one drying unit 4 is raised upwards to the two-stage conveying band 112 of second level drying unit 5
Above head end, it can be fallen on two-stage conveying band 112 from the first drying material that first-level transport band comes in this way, it is automatic by this
It turns over the process fallen and freely falling body stirring is carried out to the material that higher level is tentatively dried, after carrying out stirring in second level drying unit
Uniformly drying.To guarantee that material overturns the reliability of feeding between two-stage conveyer belt, by part at the docking of two-stage conveyer belt
It overlaps.
As shown in figure 12, it is additionally provided with resurgence sprayer 66 in the outlet channel of second level drying unit 5, for drying
Pumpkin dried product afterwards carries out moisture resurgence appropriate, improves the toughness of pumpkin dried product, the product excessively dried is avoided to wrap
Ship it is defeated during there is the breakage that fractures.Can also be used exposure it is aerial naturally get damp again conveying section, allow dry after product
Naturally the moisture absorbed in air gets damp again.
In practical applications, the pumpkin dried product demand that the quantity of drying room can dry as needed is configured.
It equally include control system in drying unit, control system is responsible for acquiring each module data and adjusts each module
Running parameter, similar with steaming apparatus, the control system of drying unit includes the speed of controller and setting on the conveyor belt
Sensor, setting can pass through control cabinet in the indoor temperature sensor of drying, humidity sensor and pressure sensor, controller
Form is arranged in the feed entrance point of conveyer belt, the velocity sensor, temperature sensor and humidity sensor respectively with controller
It is connected by signal, Power Component, heater and the wet-emitting blower movement of the controller output signal control conveyer belt.
Wherein, velocity sensor is for detecting the speed that material enters drying room, and then it is indoor in drying to adjust material
Drying time controls the Power Component revolving speed of conveyer belt by controller to realize, temperature sensor is for detecting in drying room
Temperature, heater is controlled by controller to realize the temperature of circulating air, humidity sensor is for detecting the opposite of environment
Humidity controls dehumidifier blower by controller to realize the indoor humidity regulation of drying, because dehumidifier blower can will be in drying room
Humid air take away, reduce and dry indoor pressure, pressure sensor dries indoor pressure for detecting, by controlling respectively
Dehumidifier blower and benefit air valve cooperation carry out drying indoor pressure adjusting, ensure and dry the indoor normal pumping cycle of hot wind.
After pumpkin slice enters level-one drying room with the conveyer belt of level-one drying room, starts to carry out level-one drying, dry blower
The gas of generation becomes dry-heat air after heat generator and is blown into drying room, adjacent drying blower along hot wind admission line
Air inlet and air outlet be alternately arranged at the upper surface of conveyer belt and in the following, simultaneously, netted conveyer belt is able to achieve on conveyer belt
Under air exchange, guarantee that drying temperature is evenly distributed in drying room, while the humid air that dehumidifier blower will generate in drying room
Drying room is discharged from the humid air pump-line on the side of drying room and top, is mounted on the indoor temperature sensor of drying and wet
It spends sensor real-time monitoring and dries indoor temperature and humidity, and feed back to the controller of control system, control system is according to need
The heater of automatic drying control blower, the size and switch of drying blower, dehumidifier blower are asked, to keep drying room temperature
Moisture stable, while the pressure signal of the feedback of the pressure sensor by being arranged in drying room, air valve is mended in control is dried
Room pressure is adjusted, and ensures the normal circulation air-supply of drying blower.
After completing level-one drying course, pumpkin moves forward with the conveyer belt of level-one drying room to conveying end of tape,
Pumpkin is fallen into from the conveyer belt of level-one drying room on the conveyer belt of following second level drying room, completes the automatic turning of pumpkin, is adjusted
The drying posture of whole pumpkin makes the heated of pumpkin more evenly more sufficiently, continue to move forward with the conveyer belt of second level drying room,
Second level drying is carried out into second level drying room, drying course is similar with level-one drying；After completing second level drying, forward with conveyer belt
It is mobile, and got damp again in air (or pressure resurgence is carried out by the sprayer that gets damp again), it is finally delivered to packaging area, is completed
Entire drying process.
Various kinds of sensors is separately positioned on the region for needing to detect by the control system of entire assembly line, by controller and
The switches such as the relay of its control action are integrated to be arranged in the control cabinet of assembly line feed zone, and various kinds of sensors carries out pumpkin
The data parameter acquisition of dry process line, control system are responsible for acquiring each module data and adjust each module running parameter,
Control cabinet is made of control elements such as microcontroller, motor driver and relays, and microcontroller is believed for receiving sensor
Breath, and corresponding control command is issued, motor driver is used to drive corresponding work drive motor start and stop and revolving speed on assembly line,
Microcontroller controls the start and stop of the executing agencies such as heater by the on-off of control relay, realizes humidity, temperature and pressure
Control.It is more mature automated control technology, those skilled in the art particularly with regard to sensor and controller connection scheme
It can be required to carry out conventional design according to practical the flow work, this will not be repeated here for the present embodiment.
Handle the fresh pumpkin that loess paving town dagger-axe Ma Cunyi group in Qidong County's is picked in the steps below using above-mentioned apparatus；
Step A water-removing
(slice thickness 0.8cm) is laid on ventilative conveyer belt after fresh squash tissue slice, by tooth harrow to conveying
The stacking material taken is flattened, until pumpkin is laid on ventilative conveyer belt and with a thickness of 4cm；Then it is sent by conveyer belt
Enter the superheated steam that water-removing is indoor, and steaming apparatus superheated steam system feeding temperature is 165 DEG C, is aerated interface for 165 DEG C of mistake
Hot steam is sent in water tank, is sent into superheated steam by regulation superheated steam system and is aerated interface and is sent into superheated steam
Amount, reaching control fixing temperature is 65 DEG C；The fixation time that the running speed of control conveyer belt is is 48 seconds；After being finished
Pumpkin；The distance of gas outlet fresh pumpkin on conveyer belt of steaming apparatus superheated steam system is 25cm；When water-removing, water tank
The distance of interior liquid level fresh pumpkin on conveyer belt is 18cm.
Step B is cooling
Conveyer belt takes the pumpkin after water-removing obtained by step A out of water-removing room, carries out natural cooling after ten minutes, carries out strength
It is cooling, obtain pumpkin after cooling；The strength cooling is that the temperature of pumpkin is down to 25 DEG C in 1 minute.
Step C baking
Pumpkin after cooling obtained by step B is placed in roasting plant by the way of more piece baking by conveyer belt to be dried
It is roasting, the pumpkin after being toasted；The joint number of the more piece baking is 22 sections；When more piece is toasted, the baking of odd number section uses enterprising heat
Wind, lower outlet air mode toast, even number section toasts under into toasting by the way of hot wind, upper outlet air；When baking controlled at
75℃；The total time of the baking is 55 minutes；Preceding 10 section baking vessel is first order roasting plant, remaining baking vessel is second
Grade roasting plant；A conveyer belt is arranged in every grade of drying room, and the conveying end of tape of upper level drying room is located at next stage drying
Above the conveyer belt head end of room, and partly overlap；When handling pumpkin, through first order roasting plant, treated that pumpkin falls into is next
On the conveyer belt of grade drying room；
When baking, control toasts indoor relative humidity below 40%.
Step D resurgence
Pumpkin after baking obtained by step C is brought into and carries out resurgence processing in conditioning device by conveyer belt, and obtaining water content is
The finished product of 13-14%；The resurgence processing successively includes that water mist gets damp again and gets damp again naturally；When water mist gets damp again, the temperature of water mist is controlled
Degree is 40-50 DEG C, the time of water mist resurgence is 3-5 seconds.
Step E is classified, packs, sells or is put in storage.
Sample obtained by Example, carries out soaked experiment, after soaked, color anabiosis rate after reconstitution rate 70-85%, water logging
For 70-85%.Color anabiosis rate refers to that gained pumpkin and fresh pumpkin carry out color comparison after impregnating after the water logging.
Above embodiments are the description of the invention, not limitation of the invention.The technical staff of the industry should
Solution, the present invention is not limited to the above embodiments.The above embodiments and description only describe of the invention specific
Working principle.Without departing from the spirit and scope of the present invention, the present invention can also make various embodiments and deduce and become
It changes, these, which are deduced, belongs to protection scope of the present invention with transformation.The scope of the present invention by appended claims and its
Equivalent thereof.
Claims (9)
1. the method that one kind quickly prepares dry pumpkin, it is characterised in that include the following steps:
Step 1 water-removing
It will be laid on ventilative conveyer belt, the stacking material on conveyer belt carried out by tooth harrow whole after fresh squash tissue slice
It is flat, until pumpkin is laid on ventilative conveyer belt and with a thickness of 3-5cm；Then water-removing interior, water-removing dress are sent by conveyer belt
It sets superheated steam system and is sent into the superheated steam that temperature is 160-170 DEG C, 160-170 DEG C of superheated steam is sent by aeration interface
Into water tank, superheated steam is sent by regulation superheated steam system and is aerated the amount that interface is sent into superheated steam, reaches control
Fixing temperature processed is 62-67 DEG C；The fixation time that the running speed of control conveyer belt is is 42-52 seconds；South after being finished
Melon；
Step 2 is cooling
Conveyer belt takes the pumpkin after water-removing obtained by step 1 out of water-removing room, after carrying out natural cooling 10-15 minutes, carries out strength
It is cooling, obtain pumpkin after cooling；The strength cooling is that the temperature of pumpkin is down to 20-40 DEG C in 1-2 minutes；
Step 3 baking
Pumpkin after cooling obtained by step 2 is placed in roasting plant by the way of more piece baking and toasts by conveyer belt, obtains
Pumpkin after to baking；The joint number of the more piece baking is 18-24 section；When more piece is toasted, using opposite between adjacent baking section
Into-air-out mode, i.e., enterprising hot wind, lower outlet air are alternately arranged under into the roasting mode of hot wind, upper outlet air；It is controlled when baking
Temperature is 71-78 DEG C；The total time of the baking is 40-60 minutes；
Step 4 resurgence
Pumpkin after baking obtained by step 3 is brought into and carries out resurgence processing in conditioning device by conveyer belt, and obtaining water content is 13-
15% finished product；The resurgence processing successively includes that water mist gets damp again and gets damp again naturally；
The method operates on assembly line；
The assembly line includes the pan feeding collating unit being successively set on material-transporting system, steaming apparatus, drying unit, returns
Damp processing equipment；
The pan feeding collating unit includes the tooth harrow roller for being arranged horizontally in conveyer belt feeding end, by tooth harrow to the heap on conveyer belt
Product material is flattened；
The material-transporting system includes ventilative conveyer belt；The conveyer belt uses steel wire, the two sides of the steel wire
It is connected respectively with two groups of conveyor chains, two groups of conveyor chains drive by the way that chain-drive mechanism is synchronous respectively；
The steaming apparatus includes the water-removing room being arranged on material-transporting system, the water-removing room closing setting, in two end sides
Face is equipped with the channel for the vegetables material disengaging on material-transporting system, and the conveyer belt of the material-transporting system, which extends through, to kill
Green room, and will water-removing room be divided into up and down two cavitys, wherein upper chamber is connect with superheated steam system, lower cavity and
Water vapor system connection；
The upper chamber outer wall of the water-removing room is equipped with superheated steam interface tube, connects superheated steam by superheated steam interface tube
Pipe, the overheated steam pipe are connect with the water-removing blower with heater, form superheated steam system, to the upper chamber of water-removing room
Inside it is passed through superheated steam；The outer wall of the water tank be equipped with water inlet tube interface and drain interface, respectively with water inlet pipe and drainpipe
Connection；
Setting aeration interface below the high water tank, by aeration interface and superheated steam interface tube by overheated steam pipe with
Superheated steam system is connected in parallel, and water vapor system is thermally formed to the water aeration in water tank by superheated steam, directly in water
Water vapour is generated in case；The overheated steam pipe is equipped with superheated steam size control valve；
The drainpipe is connect with water-level regulator；The water-level regulator includes adjustment barrel, adjusting sleeve pipe, fixing pipe and water outlet
Pipe, wherein the adjustment barrel is concordant with water tank to be arranged, and the fixing pipe is fixed in adjustment barrel vertically, the bottom of fixing pipe and
The drainpipe of water tank connects into U-shaped communicating pipe, and top is docked by screw thread with adjusting sleeve pipe, and the highest of the adjusting sleeve pipe is adjusted
Height is no more than the top of adjustment barrel, and the outlet pipe is arranged in adjustment barrel bottom, separates with fixing pipe；
The drying unit includes the drying room being arranged on material transmission system, the drying room closing setting, in two end sides
Face is equipped with the channel passed in and out for material-transporting system, and the conveyer belt of the material-transporting system extends through drying room, will dry
Room is divided into two cavitys up and down, is equipped with drying blower of the several groups with heater along belt direction outside the drying room,
The air inlet and air outlet of the drying blower pass through respectively hot wind admission line and hot wind outlet pipe and drying room up and down
Two cavity series connection, carry out hot air circulation drying into drying room；
It is arranged alternately hot wind intake interface respectively along the direction of conveyer belt on the upper and lower cavity of the drying room and hot wind outlet connects
Mouthful, and docked respectively with the hot wind admission line of corresponding position drying blower and hot wind outlet pipe, it realizes along belt direction
The alternately inverted circulation in hot air circulation direction of all drying blowers of arrangement；
Several humid air outlet interfaces are additionally provided on the drying room, the humid air outlet interface passes through humid air pump-line
It is connected to the air inlet of wet-emitting blower, the air outlet of the wet-emitting blower is connected to outdoor by humid air exhaust pipe；
The hot wind admission line or hot wind outlet pipe, which are equipped with, mends air valve；
The conditioning device is docked with the outlet of most end level-one drying unit；And conveyer belt runs through conditioning device.
2. the method that one kind according to claim 1 quickly prepares dry pumpkin, it is characterised in that: steaming apparatus superheated steam
The distance of the gas outlet of system fresh pumpkin on conveyer belt is 15-30cm.
3. the method that one kind according to claim 2 quickly prepares dry pumpkin, it is characterised in that: when water-removing, in water tank
The distance of liquid level fresh pumpkin on conveyer belt is 10-20cm.
4. the method that one kind according to claim 1 quickly prepares dry pumpkin, it is characterised in that: 8-13 section baking before defining
Room is first order roasting plant, remaining baking vessel is second level roasting plant；
A conveyer belt is arranged in every grade of drying room, and the conveying end of tape of upper level drying room is located at the conveying of next stage drying room
Above band head end, and partly overlap；When handling pumpkin, through first order roasting plant, treated that pumpkin falls into next stage drying room
Conveyer belt on.
5. the method that one kind according to claim 1 quickly prepares dry pumpkin, it is characterised in that: when baking, control baking
Indoor relative humidity is below 40%.
6. the method that one kind according to claim 1 quickly prepares dry pumpkin, it is characterised in that: when water mist gets damp again, control
The temperature of water mist is 40-50 DEG C, the time of water mist resurgence is 3-5 seconds.
7. the method that one kind according to claim 2 quickly prepares dry pumpkin, it is characterised in that: fixing temperature in step A
It is 63-65 DEG C.
8. the method that one kind according to claim 2 quickly prepares dry pumpkin, it is characterised in that: fixation time in step A
It is 48 seconds.
9. the method that one kind according to claim 2 quickly prepares dry pumpkin, it is characterised in that: the temperature toasted in step C
Degree is 75 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112244313B (en) * | 2020-10-14 | 2022-01-14 | 陈晓玲 | Pumpkin processing device capable of peeling, removing pulp and slicing |
| CN114009520B (en) * | 2021-11-17 | 2024-05-07 | 中国农业科学院茶叶研究所 | Integral superheated steam tea fresh leaf fixation machine and tea fresh leaf fixation method thereof |
| CN115336778A (en) * | 2022-08-16 | 2022-11-15 | 漳州市浦美食品有限公司 | Vegetable fixation machine |
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| CN102028168A (en) * | 2010-11-24 | 2011-04-27 | 浙江工业大学 | Method for processing instant dried sweet potato |
| CN203327910U (en) * | 2013-06-07 | 2013-12-11 | 山东省博兴县博精特食品机械有限公司 | Continuous dryer with net plates |
| CN103271307A (en) * | 2013-06-09 | 2013-09-04 | 肖祥吉 | Method for processing day lily |
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Denomination of invention: Method for fast preparing dry pumpkin Effective date of registration: 20200623 Granted publication date: 20191011 Pledgee: Hunan Qidong rural commercial bank Co.,Ltd. Pledgor: HUNAN XINFA FOOD Co.,Ltd. Registration number: Y2020980003402 |