CN104719789B - A kind of fast dewatering formula airflow puffing equipment - Google Patents
A kind of fast dewatering formula airflow puffing equipment Download PDFInfo
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- CN104719789B CN104719789B CN201510083822.5A CN201510083822A CN104719789B CN 104719789 B CN104719789 B CN 104719789B CN 201510083822 A CN201510083822 A CN 201510083822A CN 104719789 B CN104719789 B CN 104719789B
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Abstract
The present invention relates to a kind of bulking equipment, particularly a kind of airflow puffing equipment of fast dewatering formula.The inside of the equipment vacuum tank is provided with water vessel, and the condenser pipe of water vessel is layed in vacuum tank in serpentine shape, is connected below vacuum tank by gas bleeder valve with water collector, and water collector lower end is provided with draining valve, the condensed water in water collector of draining.When present device works, a large amount of materials in Bulking tank because of rapidly release and the vapours of a large amount of shwoots when through water vessel, due to sufficient heat exchange occurs with refrigeration coil, vapours rapid drop in temperature is simultaneously condensed into water, and is then exhausted from by pipe influx into water collector outside machine.Water vessel is then exhausted from after substantial amounts of vapours is mutually become into aqueous water under vacuum conditions in vacuum tank, keep the vacuum needed for explosion puffing drying, and reduce the live load of rear end vacuum pump assembly, greatly increase dry materials speed, product quality is improved, is advantageously implemented airflow puffing technology commercialization large-scale production.
Description
Technical field
The present invention relates to a kind of bulking equipment, particularly a kind of airflow puffing equipment of fast dewatering formula.
Background technology
Airflow puffing is a kind of new, environmentally friendly, energy-conservation non-fried explosion puffing drying technology, is that pretreated fruits and vegetables are former
Material, the pressurization that heats up is positioned in changing temperature-pressure-difference and puffing tank, moment pressure release after being incubated a period of time, material internal moisture instant vaporization
Evaporation, material instantaneous expansion simultaneously dehydrate under vacuum conditions.The technology has received heated-air drying and vacuum freeze drying
Advantage, the shortcomings that overcoming the drying technologies such as vacuum low-temperature frying.Dilated product quality is fluffy, crispy in taste, easy to carry, tool
There are wide market prospects.
Need to go by vacuum pumped after the vaporization of material internal moisture in airflow puffing drying process, current air-flow is swollen
Change five or six times that the volume of vacuum tank is all set to material tank volume by equipment, could so take the water being vaporized with away faster
Steam.Volume is 1.2m after 1g water vaporizes in the environment of 100Pa, -20 DEG C3, when inventory increase, material moisture are increased
In the case of, the water vapour volume being vaporized with vacuum state greatly increases, and vavuum pump quickly can not will be vaporized with a large amount of bodies come
Long-pending water vapour is taken away, has a strong impact on reduction and the rate of drying of vacuum pressure inside the tank, causes airflow puffing technology to dehydrate
Time is grown, can only the processing of laboratory small lot, be difficult to realize large-scale production, turn into the application of airflow puffing technical industryization
Bottleneck.
The relevant report of airflow puffing equipment patent has been related at present.Patent ZL201310068397.3 reports one kind
Charging basket formula garden stuff with air current bulking equipment is rotated, the equipment includes Bulking tank and vacuum tank, and placement material is internally provided with Bulking tank
The support of basket, can place charging basket.
Patent ZL201320845786.8 reports a kind of heat type air flow bulking equipment, the equipment solve in heating and
Manually need not closely it be operated in switching process, can be with remote control.The two patents are carried out both for Bulking tank equipment
Improve, and be all that the water vapour that material vaporizes is extracted out by vavuum pump, removal water vapour speed is slower, has a strong impact on drying
Speed.
Patent ZL201320598065.1 reports a kind of fruit crisp slices bulking equipment, the equipment include a Bulking tank and
Several vacuum tanks, vacuum tank are connected with Bulking tank by connecting line, while the patent also requires that the volume of vacuum tank should
It is 4-5 times of Bulking tank.The patent is 4-5 times of volume increasing vacuum tank and vacuum tank quantity by way of several, i.e.,
Increase the volume differences of sufficient amount between material pot and Bulking tank, moisture caused by vaporization is rapidly removed to reach, with vacuum tank
Increase, water vapour extract out efficiency also increase, but increase vacuum tank while also to increase vavuum pump, and space therewith
Also increase so that the volume of airflow puffing equipment is very huge, therefore the increased quantity of vacuum tank is limited, and water vapour is extracted out
Efficiency is also limited.
The content of the invention
Technical problem
It is an object of the invention to provide a kind of fast dewatering formula airflow puffing equipment, solves current airflow puffing equipment and takes out
Go water vapour limited in one's ability, have a strong impact on rate of drying, dehydrate time length, it is difficult to the problem of accomplishing scale production.
Technical scheme
A kind of fast dewatering formula airflow puffing equipment, it is made up of Bulking tank (1) unit and vacuum tank (5) unit, Bulking tank
(1) it is connected between vacuum tank (5) by connecting line, connecting line is provided with relief valve (4), it is characterised in that：
The vacuum tank (5) is provided with water vessel (6), and water vessel (6) is made up of refrigeration coil (7) and refrigeration machine (14), system
Cooling coil (7) is located at vacuum tank (5) inner chamber, and refrigeration coil (7) both ends are stretched out vacuum tank (5) and are connected outside with refrigeration machine (14)；Very
Water collector (12) is connected with below slack tank (5).
Described refrigeration coil (7) is layed in vacuum tank (5) inner chamber in serpentine shape.
Vacuum tank (5) the bottom rear end is connected by pressure changeover valve (13) and water collector (12), the bottom of vacuum tank (5)
Portion is oblique, it is preceding it is high after it is low, the upper end of water collector (12) is provided with gas bleeder valve (10), and lower end is provided with draining valve (11), when catchmenting
Water in device (12) reach a certain height, closing presure switching valve (13), opens gas bleeder valve (10), opens draining valve (11), row
Fall the water in water collector (12).
Worked by water vessel (6) and the temperature in vacuum tank (5) is down to -15~-20 DEG C.
Beneficial effect
Present device is related to a kind of bulking equipment, particularly a kind of airflow puffing equipment of fast dewatering formula.The equipment
It is made up of Bulking tank unit, vacuum tank unit.Bulking tank is connected with vacuum tank by relief valve.Compared with prior art, this hair
Bright vacuum tank is provided with water vessel, and the refrigeration coil of water vessel is layed in vacuum tank in serpentine shape, passed through below vacuum tank
Pressure changeover valve is connected with water collector, and water collector upper end is provided with relief valve, lays down vacuum in water collector, and lower end is provided with draining
Valve, the condensed water in water collector of draining.
When present device works, refrigeration machine makes the refrigeration coil temperature in water vessel be maintained at -20 by kind of refrigeration cycle
Below DEG C, a large amount of materials in Bulking tank due to rapidly release and the vapours of a large amount of shwoots when through water vessel, due to
Sufficient heat exchange occurs for refrigeration coil, and vapours rapid drop in temperature is simultaneously condensed into water, and passes through pipe influx to water collector
In.The function of water vessel can be understood as a very powerful vacuum pump group of pumping speed in vacuum tank, under vacuum conditions will be big
The vapours of amount is then exhausted from outside machine after mutually becoming aqueous water, keeps the vacuum needed for explosion puffing drying, and reduce rear end vavuum pump
The live load of unit, dry materials speed is greatly increased, improve product quality, be advantageously implemented airflow puffing skilled industry
Change large-scale production.
The present invention is used for garden stuff processing, has abandoned traditional " predrying-sam-airflow puffing " fruit and vegetable crisp chip processing technology
Method, look for another way.Exemplified by processing yellow peach raw material, fast dewatering formula airflow puffing equipment of the present invention, it is crisp to greatly improve fruit
Piece airflow puffing processing efficiency, save energy consumption, reduce production cost, develop skill economy, and it is expanded to effectively push garden stuff with air current
Dry technology commercial application process, promote China's fruits and vegetables leisure food process technology progress and industry rapid and healthy.Examination
To verify bright, the hot air combined airflow puffing drying process of prior art covers three predrying hot blast, sam and airflow puffing processes,
Time-consuming reaches 20h.And fast dewatering formula airflow puffing equipment drying process of the present invention only has a procedure, take as 4.5h, consumption
When less than the 1/4 of existing airflow puffing equipment.
It is by increasing vacuum tank that existing patent ZL201320598065.1, which reports a kind of fruit crisp slices bulking equipment,
5-10 times of volume and vacuum tank quantity several mode, will also increase vavuum pump, Er Qiezhan therewith while increasing vacuum tank
Ground space also increases so that the volume of airflow puffing equipment is very huge.Vacuum tank volume of the presently claimed invention is expanded
2 times of tank, one, cost is low, and dewatering efficiency is high, and the time is short, takes less than the 1/4 of existing airflow puffing equipment, is adapted to
Large-scale production.
The water caltrop that existing equipment technology adopts hot air combined airflow puffing yellow peach fourth is expanded poor, the phenomenon of hard-edge occurs.
The expansion effect that present device is used for the expanded yellow peach fourth peach face of cycle pulse air-flow fast dewatering and water caltrop is all preferable, not compared with
Hard water caltrop, the expansion rate of yellow peach fourth is apparently higher than hot air combined airflow puffing, while it is predrying to yellow peach color to avoid hot blast
Pool, the loss of nutritional ingredient, improve the taste quality of the crisp fourth of yellow peach.
Brief description of the drawings：
Fig. 1 is the structural representation of patent of invention；
In figure：1- Bulking tanks, 2- electric cabinets, 3- steam generators, 4- relief valves, 5- vacuum tanks, 6- water vessels, 7- refrigeration
Coil pipe, 8- water ring pumps, 9- lobe pumps, 10- gas bleeder valves, 11- draining valves, 12- water collectors, 13- pressure changeover valves, 14- refrigeration machines,
15- air compressors, 16- frames.
Embodiment：
(1) fast dewatering formula airflow puffing equipment.
Existing airflow puffing equipment for example QDPH-5 types electrical heating type airflow puffing equipment, patent ZL201310068397.3,
Patent ZL201320845786.8, patent ZL201320598065.1 etc. are made up of Bulking tank unit and vacuum tank unit,
It is connected between Bulking tank and vacuum tank by connecting line, connecting line is provided with relief valve.
With QDPH-5 type electrical heating type airflow puffings equipment, (Tianjin duty moral new material science and technology has existing airflow puffing equipment
Limit company) exemplified by, as shown in figure 1, being made up of the unit of Bulking tank 1 and the unit of vacuum tank 5, pass through between Bulking tank 1 and vacuum tank 5
Connecting line is connected, and connecting line is provided with relief valve 4, and Bulking tank 1 on vacuum tank 5 with being respectively equipped with pressure gauge；Bulking tank 1
It is located at respectively in frame 16 with vacuum tank 5；
Wherein：
Vacuum tank 5 is connected with water ring pump 8, lobe pump 9, prime of two units of water ring pump 8 as two units of lobe pump 9
Pump, collectively form the unit of vacuum tank 5；
The Bulking tank 1 forms swollen with air compressor 15, pressure-control valve, steam generator 3, thermometer, electric cabinet 2
Change the unit of tank 1：
Thermometer is equipped with Bulking tank 1 and vacuum tank 5, thermometer induction end is separately positioned on Bulking tank 1 and vacuum tank 5
It is interior；
It is mounted with that pressure-control valve is improved in Bulking tank by the air compressor 15 being connected with Bulking tank 1 on Bulking tank 1
Pressure；
Jet chimney is provided with Bulking tank 1, is arranged in every plate-like, hypomere jet chimney and epimere steam in Bulking tank 1
Pipeline is connected with steam generator 3 respectively, raises temperature of charge by upper and lower section of jet chimney heating.
The connection of the control such as heater switch, pressure release threshold switch, observation window luminous lamp switch is in electric cabinet on Bulking tank
In, it is unified in operational control on electric cabinet.
In existing airflow puffing equipment (such as QDPH-5 types electrical heating type airflow puffing equipment, patent
ZL201310068397.3, patent ZL201320845786.8 or patent ZL201320598065.1 etc.) on the basis of, such as Fig. 1 institutes
Show, vacuum tank 5 of the present invention sets water vessel 6, and water vessel 6 is made up of refrigeration coil 7 and refrigeration machine 14, refrigeration coil 7
In the inner chamber of vacuum tank 5, the both ends of refrigeration coil 7 are stretched out outside vacuum tank 5 to be connected with refrigeration machine 14；The lower section of vacuum tank 5 is connected with water collector
12.Described refrigeration coil 7 is layed in the inner chamber of vacuum tank 5 in serpentine shape.Worked by the refrigeration coil 7 of water vessel 6 by vacuum
Temperature in tank is down to -15~-20 DEG C.
The lower section of vacuum tank 5 is connected with water collector 12.The bottom rear end of vacuum tank 5 passes through pressure changeover valve 13 and water collector 12
It is connected, the bottom of vacuum tank 5 is oblique, and low after preceding height, the upper end of water collector 12 is provided with gas bleeder valve 10, and lower end is provided with draining valve
11, when the water in water collector 12 reach a certain height, closing presure switching valve 13, gas bleeder valve 10 is opened, open draining valve 11, row
Fall the water in water collector 12.
Its operation principle is as follows：
Material is in Bulking tank 1, heat temperature raising, and makes to reach between Bulking tank 1 and 600L vacuum tanks 5 by air compressor 15
It is poor to certain pressure, at the same open refrigeration machine 14 worked by the refrigeration coil 7 of water vessel 6 temperature in vacuum tank is down to-
15~-20 DEG C, open water ring pump 8 and lobe pump 9, the unit of vacuum tank 5 work simultaneously；
Now open the relief valve among Bulking tank 1 and vacuum tank 5, the moisture moment flash distillation in material, into vacuum tank 5
In, the refrigeration coil 7 of water vessel 6 traps rapidly a large amount of water vapours in vacuum tank 5, is condensed into water, flow to the rear end of vacuum tank 5,
It is collected in water collector 12, vacuumizes, water vessel while work reach fast dewatering effect.
When moisture reach a certain height in water collector 12, the Full water alarm device of water collector 12 starts, closing presure switching valve
13, the gas bleeder valve 10 of the upper end of water collector 12 is opened, after pressure reaches normal pressure in water collector 12, opens the row of the low side of water collector 12
Water valve 11, the water in water collector 12 is discharged, the pressure changeover valve 13 between water collector 12 and vacuum tank 5 is then opened again, with vacuum
Tank 5 connects, and continues to collect the moisture condensed out.
(2) fast dewatering formula airflow puffing equipment of the present invention is used to dry yellow peach parametric measurement：
1. the determination of the expanded number of cycle pulse fast dewatering airflow puffing pulse
The good yellow peach fourth of pre-treatment is subjected to cycle pulse fast dewatering air-flow using fast dewatering formula airflow puffing equipment
It is expanded, expanded 6 times of pulsed differential, evacuate catch water 20min every time, determine the moisture of the expanded rear yellow peach fourth per subpulse, see
The expanded situation of outward appearance is examined, it is determined that the preferably expanded number of pulse.
As it can be seen from table 1 yellow peach fourth feed moisture content is higher, reach 91.91%, expanded 1st time, the 2nd time when pulse
After the 3rd time, moisture all moment flash of steams, fast eliminating moisture in yellow peach fourth, and preferable swelling state is kept, work as pulse
After expanded the 4th, the 5th and the 6th time, each face of yellow peach fourth can not keep original swelling state, and surface shrinkage is more next
It is more serious.In summary, expanded using air pulse, the expanded number of pulse is less than 3 times, and the moisture of yellow peach fourth exists
More than 74.89%, moment decompression is expanded still can to keep its swelling state, and the expanded number of pulse is more than 3 times, works as moisture
Less than 74.89%, the water in yellow peach fourth is not enough to keep the shape of the expanded skeleton of yellow peach fourth in moment expanded caused expanded power
Into causing yellow peach fourth surface to collapse, shrinkage is serious.
The change of the pulse difference number yellow peach moisture of table 1 and expansion effect
2. hot air combined airflow puffing is dried and cycle pulse fast dewatering airflow puffing drying process and time-consuming comparison
Hot air combined airflow puffing yellow peach fourth processing technology is included 60 DEG C of heated-air dryings of yellow peach fourth of pre-treatment to moisture
Then content 60% or so, sam 15h carry out airflow puffing, Bulking tank is warming up to 105 DEG C of guarantor 10min, 80 DEG C of evacuations
120min.Cycle pulse fast dewatering airflow puffing, which dries processing technology, to be included the yellow peach fourth of pre-treatment being put into Bulking tank, arteries and veins
Rush expanded 3 times, it is expanded every time to be incubated 90 DEG C of evacuation 20min, then it is incubated 75 DEG C of evacuation 180min.
From table 2 it can be seen that hot air combined airflow puffing drying process covers predrying hot blast, sam and airflow puffing three
Individual process, time-consuming reaches 20h.And cycle pulse fast dewatering airflow puffing drying process only has a procedure, take as 4.5h.
No matter from the complexity of process, or expending on the time, cycle pulse fast dewatering airflow puffing dry technology is all obvious excellent
In hot air combined airflow puffing dry technology.
2 hot air combined airflow puffing of table is dried and cycle pulse fast dewatering airflow puffing drying process and time-consuming comparison
Become 3. hot air combined airflow puffing is dried with moisture in cycle pulse fast dewatering airflow puffing drying process
Change
Every 30min monitoring yellow peach fourth moistures in hot air combined airflow puffing and air pulse drying processes
Change.As shown in table 3, heated-air drying 3h, the moisture of yellow peach fourth is down to 62.09% by raw material 91.9%, and cycle pulse
Fast dewatering airflow puffing dries 3h, and the moisture of yellow peach fourth is down to 32.84% by raw material 91.9%.Hot air combined air-flow is swollen
Change to dry and need 2h so that yellow peach fourth moisture can reach less than 5% substantially in the airflow puffing stage, cycle pulse quickly takes off
Yellow peach fourth moisture is down to less than 5% by the expanded 2h that has been also required to of water flow by 56.8%.It can be seen that after heated-air drying
The wet moisture diffusion promoted inside yellow peach fourth reaches consistent inside and outside yellow peach fourth moisture and improves the effect of rate of drying simultaneously to surface
Do not highlight.Therefore, cycle pulse fast dewatering airflow puffing completes the technological requirement of three process by a procedure.
3 hot air combined airflow puffing of table is dried to be become with moisture in cycle pulse fast dewatering airflow puffing drying process
Change %
4. hot air combined airflow puffing is dried and cycle pulse fast dewatering airflow puffing dry products quality preservation
The quality of hot air combined airflow puffing and cycle pulse fast dewatering airflow puffing dry products is compared.Knot
Fruit is shown in Table 4, and the hardness of hot air combined airflow puffing yellow peach fourth is significantly greater than cycle pulse fast dewatering airflow puffing, this and hot blast
The expanded yellow peach fourth water caltrop of combined flow is expanded poor, and the phenomenon for hard-edge occur is consistent.Two kinds of dry technology product color differences are not
Greatly.The expansion effect of cycle pulse fast dewatering airflow puffing yellow peach fourth peach face and water caltrop is all preferable, yellow without harder water caltrop
The expansion rate of peach fourth apparently higher than hot air combined airflow puffing,.Therefore the production of cycle pulse fast dewatering airflow puffing yellow peach fourth
Product quality is more excellent.
4 hot air combined airflow puffing of table is dried and cycle pulse fast dewatering airflow puffing dry products quality preservation
(3) embodiment
Embodiment 1
It is raw material from tank peach 14 (market purchase) cadmium yellow Peach cultivars, selects nine mellow fruits, with clear water by yellow peach fruit
Real surface clean is clean, removes the peel, and stoning, it be 2cm that yellow peach is cut into bottom width, above width be 1cm, length 3cm, highly
For 2cm trapezoidal fourth block.Yellow peach fourth block is put into concentration 10% be preheated in 95 DEG C of sugar juice and boil 5min, 40 DEG C of insulation dippings
75min, 12h is freezed at -18 DEG C after dipping cooling.
Freezing yellow peach fourth 3kg is placed on thaw at RT, yellow peach fourth surface moisture is drained after thawing completely, is equably placed on thing
On charging tray.The material disc material disc for being placed with yellow peach fourth is put into 300L Bulking tanks 1, is heated to 100 DEG C, stagnates 15min
100 DEG C of insulation, and make the pressure differential between Bulking tank 1 and 600L vacuum tanks 5 be 150kPa by air compressor 15；Open simultaneously
Refrigeration machine 14, worked by the refrigeration coil 7 of water vessel and the temperature in vacuum tank is down to -15~-20 DEG C, described refrigeration machine
14 refrigeration work consumptions are 9kw, and the specification of refrigeration coil 7 is φ 32mmx3mm, heat exchange area 12m2；And open vacuum tank unit simultaneously
Work.Bulking tank 1 and the relief valve 4 among vacuum tank 5 are now opened, moment decompression progress is expanded for the first time, vacuumizes and catches water
30min, the moisture moment flash distillation in material, into vacuum tank 5, the refrigeration coil 7 of the water vessel 6 in vacuum tank 5 is caught rapidly
Collect a large amount of water vapours, be condensed into water, flow to the rear end of vacuum tank 5, be collected in water collector 12, during which Bulking tank is always maintained at temperature
90 DEG C of degree.
Relief valve 4 is closed, Bulking tank nature recovery pressure is again turned on to -70kPa among Bulking tank 1 and vacuum tank 5
Relief valve 4, moment decompression carries out second expanded, vacuumizes and catches water 30min；Period Bulking tank is always maintained at 90 DEG C of temperature.
Relief valve 4 is turned off, makes Bulking tank nature recovery pressure to -70kPa, the moment of relief valve 4 decompression again carries out the
It is expanded three times, vacuumize and catch water 30min, during which Bulking tank is always maintained at 90 DEG C of temperature；
Then 70 DEG C are cooled the temperature to, vacuumizes and catches water drying 150min, finally close relief valve 4, take out product, sorting
Nitrogen-filled packaging.
When moisture reach a certain height in water collector 12, the Full water alarm device of water collector 12 starts, closing presure switching valve
13, the gas bleeder valve 10 of the upper end of water collector 12 is opened, after pressure reaches normal pressure in water collector 12, opens the row of the low side of water collector 12
Water valve 11, the water in water collector 12 is discharged, the pressure changeover valve 13 between water collector 12 and vacuum tank 5 is then opened again, with vacuum
Tank 5 connects, and continues to collect the moisture condensed out.
Embodiment 2
It is raw material from No. 8 (market purchase) cadmium yellow Peach cultivars of golden child, selects nine mellow fruit 3kg, with clear water by peach
Fruit surface cleans up, and removes the peel, and stoning, it is 2cm that yellow peach is cut into bottom width, above width be 1cm, length 3cm,
Highly it is 2cm trapezoidal fourth block.Yellow peach fourth block is put into concentration 8% be preheated in 98 DEG C of sugar juice and boil 3min, 50 DEG C of insulations
60min is impregnated, 15h is freezed at -18 DEG C after dipping cooling.
Freezing yellow peach fourth 3kg is placed on thaw at RT, yellow peach fourth surface moisture is drained after thawing completely, is equably placed on thing
On charging tray.The material disc material disc for being placed with yellow peach fourth 3kg is put into 300L Bulking tanks, is heated to 105 DEG C, is stagnated
10min is incubated 105 DEG C, and the pressure differential between Bulking tank and 600L vacuum tanks is 120kPa, while opens refrigeration machine 14 by vacuum tank
In temperature be down to -15~-20 DEG C and open and vacuum tank unit while work；Relief valve 4 is opened, moment decompression is carried out for the first time
It is expanded, vacuumize and catch water 20min.Relief valve is closed, carries out Bulking tank nature recovery pressure to -70kPa, again moment decompression
Second expanded, vacuumizes and catches water 20min, closes relief valve, makes Bulking tank nature recovery pressure extremely -70kPa, again moment drop
Pressure progress third time is expanded, vacuumizes and catches water 50min, whole pulse expanded period is always maintained at 85 DEG C of temperature, then by temperature
75 DEG C are down to, vacuumizes and catches water drying 180min.Product is taken out, sorts nitrogen-filled packaging.
Claims (3)
- A kind of 1. fast dewatering formula airflow puffing equipment, it is characterised in thatFast dewatering formula airflow puffing equipment is made up of Bulking tank (1) unit and vacuum tank (5) unit, vacuum tank (5) and water ring Pump (8), lobe pump (9) are connected, and fore pump of two water ring pump (8) units as two lobe pump (9) units, collectively form institute State vacuum tank (5) unit；Bulking tank (1) and air compressor (15), pressure-control valve, steam generator (3), thermometer, electricity Control case (2) and form Bulking tank (1) unit, be connected between Bulking tank (1) and vacuum tank (5) by connecting line, connected Pipeline is provided with relief valve (4), and the vacuum tank (5) is provided with water vessel (6), and water vessel (6) is by refrigeration coil (7) and refrigeration machine (14) form, refrigeration coil (7) be located at vacuum tank (5) inner chamber, and refrigeration coil (7) both ends stretching vacuum tank (5) is outside and refrigeration machine (14) it is connected；Water collector (12) is connected with below vacuum tank (5)；Described refrigeration coil (7) is layed in vacuum tank in serpentine shape (5) inner chamber；Vacuum tank (5) bottom rear end is connected by pressure changeover valve (13) and water collector (12), and the bottom of vacuum tank (5) is in Skewed, low after preceding height, the upper end of water collector (12) is provided with gas bleeder valve (10), and lower end is provided with draining valve (11), works as water collector (12) water in reach a certain height, closing presure switching valve (13), opens gas bleeder valve (10), opens draining valve (11), drains Water in water collector (12).
- A kind of 2. fast dewatering formula airflow puffing equipment according to claim 1, it is characterised in thatMaterial heat temperature raising in Bulking tank (1), and make to reach between Bulking tank (1) and vacuum tank (5) by air compressor (15) It is poor to certain pressure, while open refrigeration machine (14) and worked by the refrigeration coil (7) of water vessel (6) by the temperature in vacuum tank - 15~-20 DEG C are down to, water ring pump (8) is opened and lobe pump (9), vacuum tank (5) unit works simultaneously；Bulking tank (1) and the relief valve among vacuum tank (5) are now opened, the moisture moment flash distillation in material, into vacuum tank (5) in, the refrigeration coil (7) of vacuum tank (5) interior water vessel (6) traps rapidly a large amount of vapor, is condensed into water, flow to vacuum tank (5) rear end, it is collected in water collector (12), vacuumizes, water vessel while work reach fast dewatering effect.
- A kind of 3. fast dewatering formula airflow puffing equipment according to claim 2, it is characterised in thatWhen moisture reach a certain height in water collector (12), water collector (12) Full water alarm device starts, closing presure switching valve (13) gas bleeder valve (10) of water collector (12) upper end, is opened, after water collector (12) interior pressure reaches normal pressure, opens water collector (12) draining valve (11) of lower end, the water in water collector (12) is discharged, is then opened again between water collector (12) and vacuum tank (5) Pressure changeover valve (13), connected with vacuum tank (5), continue to collect the moisture condensed out.
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| CN110122732A (en) * | 2019-05-22 | 2019-08-16 | 江苏华稼食品科技有限公司 | A kind of barley grain pretreatment processing method |
| CN110150708A (en) * | 2019-06-12 | 2019-08-23 | 温州科技职业学院 | Saturated vapor directly heats Bulking tank and expanding food processing technology |
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| CN201821871U (en) * | 2010-07-16 | 2011-05-11 | 路芳民 | Fruit and vegetable vacuum differential pressure bulking machine |
| CN103005651B (en) * | 2012-12-26 | 2014-10-22 | 山东省食品发酵工业研究设计院 | Non-fried vacuum-freezing puffing dryer |
| CN103090600B (en) * | 2013-01-28 | 2015-12-23 | 东莞市科美斯制冷设备有限公司 | Delicatessen vacuum precooling machine twin-stage water vessel and catch water method |
| CN203207136U (en) * | 2013-03-27 | 2013-09-25 | 山东省食品发酵工业研究设计院 | Vacuum-freezing puffing dryer |
| CN103766799B (en) * | 2014-02-12 | 2016-02-10 | 中华全国供销合作总社济南果品研究院 | A kind of production method of Fedtsch apple crisp slices |
| CN204104737U (en) * | 2014-08-31 | 2015-01-21 | 宁夏海达生物科技开发有限公司 | Changing temperature-pressure-difference and puffing equipment |
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2015
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