CN100473288C

CN100473288C - Oil saving, energy saving and pollution-free food vacuum frying and roasting seasoning method

Info

Publication number: CN100473288C
Application number: CNB011413174A
Authority: CN
Inventors: 王俊麟
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-27
Filing date: 2001-09-27
Publication date: 2009-04-01
Anticipated expiration: 2021-09-27
Also published as: CN1408245A

Abstract

The present invention aims at solving the problem of heating excessive oil for frying resulting in equipment complexity, low cost, food pollution and incapability of seasoning in the same machine. In the said method, are used vacuum infrared heating ovens for alternate frying and steam heating, electrically heating and vacuum heat-insulating oil and seasoning juice tank, speed-regulating rotary material basket and automatic vacuum rationing oil and seasoning sprayer. The method of the present invention is especially suitable for producing potato chips and may be also used in producing other fried food.

Description

Fuel-economizing, energy-conservation and free of contamination food vacuum frying and roasting seasoning method

The present invention relates to frying food in vacuum, baking and flavouring method.Existing food vacuum low-temperature frying technology, as: the patent No. is 94242495.6 fruit and vegetable crisp chip vacuum frying oil remover; The patent No. is 97237317.9 small food vacuum dehydration Fryer, conventional method than fried food in the oil cauldron under atmospheric pressure has following overall merit: can reduce the material dewatering vapourizing temperature and accelerate dewatering speed, can control frying temperature and overcome the carcinogenic compound that the high temperature oil deep-fried food produces, reduce nutritive loss, can make the fried food palatable crisp, and non-burnt.But still in the vacuum oil cauldron, heat a large amount of unnecessary frying oil that floods material and as the medium of convection heat transfer' heat-transfer by convection.These unnecessary frying oils cause following defective: deterioration goes bad and contaminated food products in twice-cooked stir-frying process repeatedly; Needing special-purpose vacuum kettle to expend the considerable energy heats it; Existing known vacuum kettle heat-insulating property is lower; For reducing the too much oil content of institute's deep-fried food, all to be equipped with special-purpose de-oiling equipment; Will join special-purpose flavour treatment equipment to the fried food of need seasoning, thereby cause the device structure complexity, floor space is big, the cost height, and the energy consumption height, the operation maintenance is inconvenient, so restricted applying of vacuum low-temperature frying technology.Other has a kind of patent No. is 98221557.6 automatic infrared temperature controlling electric food roasting apparatus, be to install the vacuum plant composition on the automatic infrared temperature controlling electrothermal oven basis that is rotated baking on the planetary disk around infrared heater additional known material can being suspended on, it has the function of baking, oven dry, dilated food, but can not carry out the fried roasting and seasoning operation of food with machine.

The purpose of the inventive method provides a kind of infrared heating of energy-conservation and free of contamination food vacuum, material rolling, temperature automatically controlled hydrojet frying and roasting seasoning method that can replace fried food in oil cauldron, and its feature is as follows:

1, for implementing the inventive method automatic frying and roasting seasoning machine of custom-designed food (referring to accompanying drawing), have: two chaptrels change the barrel-shaped vacuum drying oven (1) of making frying and roasting stove and preheating furnace, be installed in side by side on the sealed bearing support (2) by its axis is parallel, on its furnace wall and inner casing reinforcing ring (55) more than arc furnace bottom of garden, be embedded with the infrared heater (3) of corresponding power and the reflector made from glass or aluminium alloy or stainless steel (4) with ceramic insulator (61), in order to the rolling material is carried out uniform infrared radiation heating; On the rotating turret (5) of fixing charging basket (6), have with at the bottom of charging basket (6) front end on the gathering sill (8) that matches of location taper pin (7), stretch out the outer rotating turret power transmission shaft (9) of vacuum drying oven movably to be sealed and matched and be contained in the middle of two vacuum drying ovens, can clockwise or counterclockwise drive between the speed regulator (10) of charging basket rotation, be in transmission connection with sleeve-barrel roollr chain (11) constant speed, the spanner (12) that is contained in the transmission axle head with square tenon (62) can be with behind the angle that equates between rotating turret rotation and charging basket two side, with bearing pin (13) locating slot (8) is locked on the charging basket station of fire door (14), locate taper pin (7) after gathering sill (8) penetrates taper hole on the rotating turret of rear with it during the charging basket shove charge, with the eyelet bolt (15) that is contained on the rotating turret of the place ahead the charging basket location is fastened on the rotating turret again, make the charging basket radius of gyration apart from the gap of furnace bottom less than 4 millimeters, when making the frying oil thickness that drops onto furnace bottom surpass the gap, thereby the material that can immerse in rolling reduces unnecessary frying oil as far as possible, make charging basket rotate diameter suitably less than the distance between two minimum infrared heaters, make that frying oil or baste are unlikely to be dropped onto on the infrared heater, after rotating turret is filled charging basket, with O-ring seal (16), hinge (17) and be contained in eyelet bolt (18) sealing door on the firedoor frame, the garden cambered surface of charging basket and both ends of the surface are equipped with respective wire purpose stainless steel cloth (63), the bin gate (19) that can pull and push keying is equipped with in its bottom, charging basket and rotating turret and power transmission shaft can or reflex to the rolling material with the infrared radiation refraction and get on aluminium alloy or stainless steel manufacturing, charging basket two side wall panels and bin gate; Welded and installed is between two vacuum drying ovens, in order to storage tank (20) to quantitative frying oil and baste heating and insulation, to be contained in electric heater (21) and the thermocouple (22) on the cover, be immersed in the frying oil of frying oil groove (23), directly also by the baste in dividing plate (64) the indirect baste groove (24), the automatic temperature-adjusting controller (25) that cooperates with electric heater and thermocouple (22) can be monitored the frying oil temperature to frying oil heating, thermometric; Be contained in the gauge glass (71) and the liquid level photoelectric sensor (26) of tank bottom, (27) and three-way magnetic valve (28) cooperate, in order to drop to when spacing in liquid level, the floss hole of automatic open close frying oil groove and baste groove (65) and (66), when having only one of them floss hole to open, just can utilize the atmospheric pressure of liquid injection port (59) introducing from the cover, manual three-way valve (29) that connects by woven hose (57) and the sealing sparge pipe (30) in two vacuum drying ovens of packing into, in frying and roasting stove, roll even spray feed frying oil of material or baste, make the rolling material can under the condition of infiltration parcel frying oil and baste, accept the fried roasting and seasoning operation of infrared heating; The housing of vacuum drying oven and fire door thereof and storage tank all has the vacuum heat-preserving interlayer (31) that communicates with multiple corrosion resistant plate manufacturing, the aluminium foil of filling ceramic hollow ball (67) or device antiradiation heat radiation in interlayer, on the exhaust tube (60 ') between the magnetic valve (33) on the exhaust tube (72) of vacuum heat-preserving interlayer and vavuum pump (32), the vacuum meter (35) that valve (34) is housed and is contained on the storage tank shell matches, in order to gas in the pump drainage interlayer and maintenance insulation vacuum; Between the blind end of two vacuum drying ovens, wireway (38) with vacuum heat-preserving that valve (36) and thermocouple (37) are housed is tightly connected, have on the gas outlet (68) of fire door one end at it, exhaust tube (60) all is housed connects filter (69), be communicated with magnetic valve (33) in opposite directions behind the valve (39), when closing as the gas outlet of frying and roasting stove with valve (39) respectively and opening gas outlet as preheating furnace, just can be in fried roasting operation process, will be from rolling material vapor evaporated suction preheating furnace in the frying and roasting stove, with its heat content the material in rolling is carried out the preheating of even contact, its temperature is reached be bordering on material temperature in the frying and roasting stove, simultaneously under the vavuum pump effect, make its partially aqueous amount evaporation, muffler (58) is housed on the exhaust outlet of vavuum pump (70); The thermocouple (37) that is connected with fried roasting automatic temperature control instrument (40) with pass through in the steam Continuous Contact process of wireway (38), can be with monitoring frying and roasting stove material temperature, can also when being elevated to the highest fried roasting temperature of setting, temperature of charge make infrared heater (3) carry out automatic heat preserving, valve (41), (42) and condensation pond (43) therebetween all are equipped with in middle part at the bottom of the vacuum furnace shell, in order to the unnecessary frying oil in discharging charging basket and the furnace bottom gap after finishing fried roasting operation, in order in pre-hot work, to collect the dress steam condensate (SC) and behind pre-hot work, to discharge condensed water; All be equipped with on top at vacuum drying oven: vacuum sensor (44), when in fried roasting operation, reaching spray frying oil vacuum, cable order three-way magnetic valve (28) is opened frying oil floss hole (65) and is realized spray frying oil automatically, reach the highest and explode when baking vacuum, cable order electromagnetic switch (51) outage is shut down and is made electric bell (53) send sound of musical instrument simultaneously; Electromagnetic Drive or manual charge valve (45), in order to after the frying and roasting seasoning operation, progressively to charge into air to vacuum hearth, bake the puffed degree of food and burner hearth air pressure is reached and atmospheric equilibrium so that control is fried, also be equipped with in order to connect the seal receptacle (46) of infrared heater (3) power line; On control cabinet (47), have: frying oil automatic temperature control instrument (25), fried roasting automatic temperature control instrument (40), the bi-directional power switch (48) of infrared heater (3), electromagnetism charge valve bi-directional power switch (49), speed regulator clockwise or the two-way switch (50) that rotates counterclockwise (with so that charging basket accept to forward upper semi-circle immediately to after the hydrojet, make hydrojet homogeneous immersion in the rolling material, the unlikely furnace bottom that directly splashes into), the synchronous electromagnetic switch (51) of infrared heater (3) and vavuum pump and speed regulator, the vacuum transducer of two vacuum drying ovens (44) provides power supply instruction to open frying oil floss hole (65) and provides the command signal of cutting off the electricity supply to electromagnetic switch (51) to three-way magnetic valve (28) respectively

To the switch (54) of switch (52), automatically alarming electric bell (53), frying oil electric heater (21), bi-directional power switch (73) and single switch (74) of using of vavuum pump.Indeformable for the vacuum drying oven inside and outside shell that makes non-garden cylindricality, be welded with reinforcing ring (55) at the vacuum hearth two ends, on the vacuum drying oven drain pan, be welded with reinforcement (56).Triple valve that can also be manual replaces the three-way magnetic valve (28) of liquid level photoelectric sensor control to implement vacuum oil spout or spray baste on demand, and also the available buttons switch replaces the electromagnetic switch (51) of vacuum sensor control to implement the manual shut-down operation.

2, use above-mentioned related equipment and carry out the fried roasting preceding beamhouse operation program of following food:

Vacuum heat-preserving interlayer (31) is evacuated to behind the rotating turret of shut off valve (34) after the final vacuum of vavuum pump → fixedly fill right side frying and roasting stove and left side preheating furnace the highest fried vacuum → the configure instruction power of the two-way switch connection frying and roasting stove vacuum transducer of all linear velocities in charging basket garden → usefulness correspondence of baking of the highest fried roasting temperature of good seal fire door → settings → settings oil spout vacuum → settings to three-way magnetic valve (28) and electromagnetic switch (51) to the charging basket that frying oil groove (23) and baste groove (24) inject the quantitative material of quantitative frying oil and baste → frying oil the is heated to standby → quantitative material that each charging basket is packed into of set point of temperature insulation → will install respectively, the power supply of frying and roasting stove infrared heater and electromagnetism charge valve, the valve (39) of power supply → sealing frying and roasting stove that the speed regulator clockwise direction rotates, frying and roasting stove is to the valve (41) in its condensation pond, the valve (42) in preheating furnace condensation pond, three-way magnetic valve (28) → the open wireway of frying and roasting stove to preheating furnace, preheating furnace gas outlet (68) is to the wireway of magnetic valve (33), (closed simultaneously from three-way magnetic valve (28)) from three-way magnetic valve (28) to the woven hose (57) the frying and roasting stove sparge pipe (30) to the woven hose (57) the preheating furnace sparge pipe, preheating furnace is to the valve (41) in its condensation pond.

3, carry out following food frying and roasting seasoning program automatically with above-mentioned related equipment:

Start infrared heater simultaneously with electromagnetic switch (51), speed regulator, vavuum pump → rolling the material is baked to oil spout vacuum → vacuum sensor (44) cable order three-way magnetic valve (28) open frying oil floss hole (65) → atmospheric pressure and will be incubated frying oil and be pressed into frying and roasting stove sparge pipe (30) and close frying oil floss hole (65) to minimum oil level → photoelectric sensor (26) cable order three-way magnetic valve (28) to the oil spout of rolling material, opening baste floss hole (66) → atmospheric pressure simultaneously is pressed into frying and roasting stove sparge pipe (30) with baste and closes frying oil and baste floss hole → roastingly carry out automatic heat preserving to the highest fried roasting temperature → fried roasting automatic temperature control instrument (40) cable order infrared heater (3) with the rolling material is fried to rolling material spray baste to minimum liquid level → photoelectric sensor (27) cable order three-way magnetic valve, the rolling material is fried roasting to maximum vacuum → vacuum sensor (44) cable order electromagnetic switch (51) cut-out infrared heater, speed regulator, vacuum-pump power supply, cable order electric bell (53) sends the frying and roasting seasoning operation that the sound of musical instrument sign is finished this stove food automatically simultaneously.

In the automatically fried roasting time after having sprayed baste, can be respectively inject the quantitative frying oil and the baste of next stove food, and the temperature heat tracing is standby in accordance with regulations to frying oil groove and baste groove.

4, unload shove charge and carry out next stove food fried roasting before, make frying and roasting stove and preheating furnace realize the beamhouse operation program of function exchange:

The sealing frying and roasting stove is to the valve (36) of preheating furnace, make the material insulation that has been preheated → with corresponding impulse speed with Electromagnetic Drive or manually charge valve to the frying and roasting stove chamber progressively charge into the puffed degree of the fried roasting food of air control and a fried good charging basket of stove inside and outside air pressure balance → open frying and roasting stove door → draw off packed into one treat fried charging basket at the bottom of replacing (do not reinstall before only finishing operation and treat fried charging basket) → sealed frying and roasting stove door → draw off frying and roasting stove fully with the charging basket gap in unnecessary frying oil after close its condensation pond after closing the valve (42) in its condensation pond → draw off the condensed water in the preheating furnace condensation pond valve (41) reach (42) → open frying and roasting stove wireway (38) to preheating furnace, the wireway (60) of the gas outlet of frying and roasting stove (68) to magnetic valve (33), (closed from three-way magnetic valve (28)) → closed the corresponding two-way switch of wireway (60) → usefulness of gas outlet (68) to magnetic valve (33) of preheating furnace from three-way magnetic valve (28) to the woven hose (57) between the preheating furnace sparge pipe (30) simultaneously and connected the preheating furnace infrared heater to the woven hose (57) between the frying and roasting stove sparge pipe (30), the power supply that electromagnetism charge valve and speed regulator rotate counterclockwise has disconnected the frying and roasting stove infrared heater simultaneously, the vacuum sensor (44) of the power supply that electromagnetism charge valve and speed regulator clockwise rotate → connection preheating furnace is to the conductor wire (having disconnected the conductor wire of the vacuum transducer (44) of frying and roasting stove to three-way magnetic valve (28) and electromagnetic switch (51) simultaneously) of three-way magnetic valve (28) and electromagnetic switch (51).So just finished the beamhouse operation program of fried roasting preceding frying and roasting stove of next stove food and the exchange of preheating furnace function, be about to former preheating furnace and change frying and roasting stove into, change former frying and roasting stove into preheating furnace carries out next stove again to the new clothes material the pre-hot work of material carrying out the frying and roasting seasoning operation of next stove food through the material of preheating.

For making food not be attached to frying oil on the utensil and the pollution of baste residue in vacuum hearth and the storage tank, wash the utensil in vacuum hearth and the storage tank (20) by corresponding duty cycle.

5, the charge and discharge operations program of charging basket:

Treat that fried roasting food in the charging basket of having come out of the stove is cooled to normal temperature → charging basket is locked on the loading and unloading frame (not shown) → earlier bin gate is extracted out bin gate downwards and draws off fried roasting good packaging for foodstuff or listing in bulk → with charging basket washes clean → bin gate and upwards pack into and quantitatively treat fried material → sealed bin gate neatly to put the wait shove charge.

6, to the processing method of a small amount of unnecessary frying oil: a small amount of unnecessary frying oil collection that will draw off installs in the cleaning container of band filter, after unnecessary frying oil collection after filtering is deposited and can be satisfied a required quantitative frying oil of heat, can carry out the repeated use below 3 times not adding under fresh oil and the stay-in-grade condition.

To not needing the fried roasting food of seasoning, photoelectric sensor (26) and three-way magnetic valve (28) can changed under the condition that only opens and closes the frying oil floss hole, carry out that food vacuum is infrared to add the thermal material fried roasting operation of temperature automatically controlled oil spout of rolling.

To not needing fried baking seasoned food, baste liquid level photoelectric sensor (27) and three-way magnetic valve (28) can changed under the condition that only opens and closes the baste floss hole, carry out the infrared heating of food vacuum, material rolling, temperature automatically controlled spray baste baking seasoning operation.

To not needing the baked goods of fried seasoning, can carry out under the vacuum hydrojet condition at the magnetic valve that does not use the control of liquid level photoelectric sensor, carry out that vacuum is infrared to add the thermal material temperature automatically controlled baking operation of rolling.

The inventive method is particularly suitable for the material high to water content, bar, sheet material as potato, sweet potato carry out the frying and roasting seasoning operation, the water vapour waste heat that is intended to utilize its water content more than 75% to produce improves the thermal efficiency and production efficiency, when the few dry fruit material of water content is carried out frying and roasting seasoning, because it is little that its water vapour UTILIZATION OF VESIDUAL HEAT IN is worth, can carry out under the condition of only adorning a vacuum drying oven that food vacuum is infrared to add the roll baking operation of the operation of temperature automatically controlled hydrojet frying and roasting seasoning, the fried roasting operation of oil spout, the baking seasoning operation of spray baste and non-hydrojet of thermal material.

The inventive method has following useful effect than aforesaid frying food in vacuum and baking technology:

1, owing to utilized the steam waste heat preheating to treat fried material, used infrared heating and vacuum heat-preserving power-saving technology, no longer heated a large amount of unnecessary frying oils, total thermal efficiency can reach more than 75%.

2, owing to the unnecessary frying oil to a small amount of generation is not adding under fresh oil and the stay-in-grade condition, only carry out repeating reuse below 3 times, both reduce oil consumption, frying oil is fully used, solved the problem that a large amount of unnecessary frying oil repeated multiple times reuses produce rotten and contaminated food products again.

3, owing to utilize the steam preheating material, no longer heat a large amount of unnecessary frying oils, significantly improve production efficiency heat time heating time because of saving.

4, because facility compact, take up an area of less, cost is low, easy to operate is easy to apply in the fried roasting industry of food the vacuum frying and roasting technology polluted can avoided.

5, because the oil content of the fried roasting food of quantitative fuel feeding control is implemented seasoning operation, the expense that can save de-oiling equipment and flavour treatment equipment with machine.

6, can develop and produce following all kinds of novel fried roasting food with the inventive method:

(1) fruits and vegetables class: as sheet, bar, the grain of potato, sweet potato, apple etc.

(2) meat: as chicken, duck and various burger, sliced meat, cutlet etc.

(3) aquatic product: various grilled fish, shrimp etc.

(4) cereals: with fried crisp pieces, bar, the pill of being roasted into behind the particle of various cereals, beans or the powder base; this based food also can be as tradition frying glutinous rice flour dumplings, steamed stuffed bun, dumpling, pie wraps up or mix various filling material and carry out frying and roasting seasoning, produces the instant food of crisp outside and soft inside.

(5) dry fruit: as the fried roasting crisp food of various kernels such as peanut, walnut, broad bean, green soya bean.

Description of drawings:

Fig. 1: be that the infrared heating of a kind of vacuum, the material of implementing the inventive method rolls, the structural representation of the automatic frying and roasting seasoning machine of food of temperature automatically controlled hydrojet.

Fig. 2: be that AOBC among Fig. 1 cuts open to view.

Fig. 3: be that two steam guiding tube roads between the vacuum drying oven are installed and speed regulator drives the schematic top plan view of power transmission shaft with bushroller chain.

Embodiment: the food of production is the tomato juice potato crispy chip

With protect through anti-brown stain thickness that look handles be 3-6 millimeters potato sheet stock on the automatic frying and roasting seasoning machine of food vacuum shown in the drawings, uses the inventive method produce the beamhouse operation program of tomato juice potato crispy chip, automatically the frying and roasting seasoning program, unload shove charge and carry out the fried beamhouse operation program that makes frying and roasting stove and preheating furnace realize function before roasting to exchange of next stove, charging basket charge and discharge operations program and to the processing method of a small amount of unnecessary frying oil all with aforementioned, its concrete technological parameter is as follows:

1, the specified frying oil amount (kg) of each stove: every stove potato chips raw material gross weight * 4～6%.

2, the specified seasoning tomato juice of every stove weight (kg): stove potato chips raw material total amount * 2～4%.

3, standby frying oil holding temperature (℃): 130-150,

4, every stove potato chips raw material gross weights (kg): total watt thousand number * 0.4～0.6 of infrared heater,

5, the highest fried roasting temperature (℃): 120-140,

6, oil spout vacuum (having functional relation with material moisture) is (Mpa): 0.089-0.091 (quite the water content of material is dried 30-40%),

7, the highest fried roasting vacuum (Mpa): 0.094～0.096 (be equivalent to material moisture and be dried to 7～9%).

8, all linear velocities (M/S) in charging basket garden: 0.1～0.4,

By lemon yellow, the palatable crisp of tomato juice potato crispy chip color and luster of the inventive method processing, its sanitary condition meets the pertinent regulations of GB7100-86 standard.

Claims

1, the automatic frying and roasting seasoning machine of a kind of food vacuum, it has: two chaptrels change the barrel-shaped vacuum drying oven (1) of making frying and roasting stove and preheating furnace, be installed in side by side on the sealed bearing support (2) by its axis is parallel, on its furnace wall and inner casing reinforcing ring (55) more than circular arc furnace bottom, be embedded with the infrared heater (3) of corresponding power and the reflector made from glass or aluminium alloy or stainless steel (4) with ceramic insulator (61), in order to the rolling material is carried out uniform infrared radiation heating; On the rotating turret (5) of fixing charging basket (6), have with at the bottom of charging basket (6) front end on the gathering sill (8) that matches of location taper pin (7), stretch out the outer rotating turret power transmission shaft (9) of vacuum drying oven movably to be sealed and matched and be contained in the middle of two vacuum drying ovens, can clockwise or counterclockwise drive between the speed regulator (10) of charging basket rotation, be in transmission connection with sleeve-barrel roollr chain (11) constant speed, the spanner (12) that is contained in the transmission axle head with square tenon (62) with the angle that equates between rotating turret rotation and charging basket two side after, with bearing pin (13) locating slot (8) is locked on the charging basket station of fire door (14), locate taper pin (7) after gathering sill (8) penetrates taper hole on the rotating turret of rear with it during the charging basket shove charge, again be contained in eyelet bolt (15) on the rotating turret of the place ahead with the charging basket positioning and fixing on rotating turret, make the charging basket radius of gyration apart from the gap of furnace bottom less than 4 millimeters, when making the frying oil thickness that drops onto furnace bottom surpass the gap, thereby the material that can immerse in rolling reduces unnecessary frying oil as far as possible, make charging basket rotate diameter, make that frying oil or baste are unlikely to be dropped onto on the infrared heater suitably less than the distance between two minimum infrared heaters; After rotating turret is filled charging basket, with O-ring seal (16), hinge (17) be contained in eyelet bolt (18) sealing door on the fire door basket; The garden cambered surface of charging basket and both ends of the surface are equipped with respective wire purpose stainless steel cloth (63), the bin gate (19) that pulls and pushes keying is equipped with in its bottom, charging basket and rotating turret and power transmission shaft can or reflex to the rolling material with the infrared radiation refraction and get on aluminium alloy or stainless steel manufacturing, charging basket two side wall panels and bin gate; Welded and installed is between two vacuum drying ovens, in order to storage tank (20) to quantitative frying oil and baste heating and insulation, to be contained in electric heater (21) and the thermocouple (22) on the cover, be immersed in the frying oil of frying oil groove (23), directly to frying oil heating, thermometric and by the baste in dividing plate (64) the indirect baste groove (24), the automatic temperature-adjusting controller (25) that cooperates with electric heater and thermocouple (22) is monitored the frying oil temperature; Be contained in the gauge glass (71) and the liquid level photoelectric sensor (26) of tank bottom, (27) and three-way magnetic valve (28) cooperate, drop to when spacing in liquid level, the floss hole of automatic open close frying oil groove and baste groove (65) and (66), when having only one of them floss hole to open, just can utilize the atmospheric pressure of liquid injection port (59) introducing from the cover, manual three-way valve (29) that connects by woven hose (57) and the sealing sparge pipe (30) in two vacuum drying ovens of packing into, even spray feed frying oil of rolling material in frying and roasting stove or baste make the rolling material can accept the fried roasting and seasoning operation of infrared heating under the condition of infiltration parcel frying oil and baste; The housing of vacuum drying oven and fire door thereof and storage tank all has the vacuum heat-preserving interlayer (31) that communicates with multiple corrosion resistant plate manufacturing, mounting ceramics hollow ball (67) in interlayer, on the exhaust tube (60 ') between the magnetic valve (33) on the exhaust tube (72) of vacuum heat-preserving interlayer and vavuum pump (32), the vacuum meter (35) that valve (34) is housed and is contained on the storage tank shell matches, in order to gas in the pump drainage interlayer and maintenance insulation vacuum; Between the blind end of two vacuum drying ovens, wireway (38) with vacuum heat-preserving that valve (36) and thermocouple (37) are housed is tightly connected, have on the gas outlet (68) of fire door one end at it, exhaust tube (60) all is housed connects filter (69), be communicated with magnetic valve (33) in opposite directions behind the valve (39), when closing as the gas outlet of frying and roasting stove with valve (39) respectively and opening gas outlet as preheating furnace, just can be in fried roasting operation process, will be from rolling material vapor evaporated suction preheating furnace in the frying and roasting stove, with its heat content the material in rolling is carried out the preheating of even contact, its temperature is reached be bordering on material temperature in the frying and roasting stove, under the vavuum pump effect, make its partially aqueous amount evaporation simultaneously; Muffler (58) is housed on the exhaust outlet of vavuum pump (70); The thermocouple (37) that is connected with fried roasting automatic temperature control instrument (40) with pass through in the steam Continuous Contact process of wireway (38), can monitor the frying and roasting stove material temperature, when temperature of charge is elevated to the highest fried roasting temperature of setting, make infrared heater (3) carry out automatic heat preserving; Valve (41), (42) and condensation pond (43) therebetween all are equipped with in middle part at the bottom of the vacuum furnace shell, in order to the unnecessary frying oil in discharging charging basket and the furnace bottom gap after finishing fried roasting operation, in order in pre-hot work, to collect the dress steam condensate (SC) and behind pre-hot work, to discharge condensed water; All be equipped with on top at vacuum drying oven: vacuum sensor (44), when in fried roasting operation, reaching spray frying oil vacuum, cable order three-way magnetic valve (28) is opened frying oil floss hole (65) and is realized spray frying oil automatically, reach the highest and explode when baking vacuum, cable order electromagnetic switch (51) outage is shut down and is made electric bell (53) send sound of musical instrument simultaneously; Electromagnetism charge valve (45) progressively charges into air to vacuum hearth after being used in the frying and roasting seasoning operation, so that the puffed degree of the fried roasting food of control and burner hearth air pressure is reached and atmospheric equilibrium; The seal receptacle (46) of connecting infrared heater (3) power line also is housed; On control cabinet (47), have: frying oil automatic temperature control instrument (25), fried roasting automatic temperature control instrument (40), the bi-directional power switch (48) of infrared heater (3), electromagnetism charge valve bi-directional power switch (49), speed regulator two-way switch (50) clockwise or that rotate counterclockwise makes charging basket accept to forward upper semi-circle immediately to after the hydrojet, make hydrojet homogeneous immersion in the rolling material, the unlikely furnace bottom that directly splashes into, the synchronous electromagnetic switch (51) of infrared heater and vavuum pump and speed regulator, the vacuum transducer of two vacuum drying ovens (44) provides power supply instruction to open frying oil floss hole (65) and the two-way switch (52) of the command signal of cutting off the electricity supply is provided to electromagnetic switch (51) to three-way magnetic valve (28) respectively, automatically alarming electric bell (53), the switch (54) of frying oil electric heater (21), the bi-directional power switch of vavuum pump (73) and single with switch (74), for the vacuum drying oven inside and outside shell that makes non-garden cylindricality indeformable, be welded with reinforcing ring (55) at the vacuum hearth two ends, on the vacuum drying oven drain pan, be welded with reinforcing ring (56).

2, a kind ofly carry out the automatic frying and roasting seasoning method of food vacuum with the described equipment of claim 1, it has:

Preparation before fried roasting: vacuum heat-preserving interlayer (31) is evacuated to shut off valve (34) after the final vacuum of vavuum pump, inject quantitative frying oil and baste respectively to frying oil groove (23) and baste groove (24), frying oil is heated to set point of temperature to be incubated standby, with each charging basket quantitative material of packing into, the charging basket that installs quantitative material is fixedly filled good seal fire door behind the rotating turret of right side frying and roasting stove and left side preheating furnace, set the highest fried roasting temperature, set oil spout vacuum, set the highest fried roasting vacuum, configure charging basket garden week linear velocity, two-way switch with correspondence is connected: frying and roasting stove vacuum transducer (44) is to the instruction power of three-way magnetic valve (28) and electromagnetic switch (51), the power supply that frying and roasting stove infrared heater and electromagnetism charge valve (45) and speed regulator clockwise direction rotate, sealing: the valve of frying and roasting stove (39), frying and roasting stove is to the valve (41) in its condensation pond, the valve (42) in preheating furnace condensation pond, three-way magnetic valve (28), open-minded: frying and roasting stove is to the wireway (38) of preheating furnace, preheating furnace gas outlet (68) is to the wireway (60) of magnetic valve (33), closed simultaneously from three-way magnetic valve (28) to the woven hose (57) the preheating furnace sparge pipe from three-way magnetic valve (28) to the woven hose (57) the frying and roasting stove sparge pipe (30), preheating furnace is to the valve (41) in its condensation pond;

Food is carried out frying and roasting seasoning: start infrared heater simultaneously with electromagnetic switch (51), speed regulator, vavuum pump, the rolling material is baked to oil spout vacuum, vacuum sensor (44) cable order three-way magnetic valve (28) is opened frying oil floss hole (65), atmospheric pressure will be incubated frying oil be pressed into frying and roasting stove sparge pipe (30) to the oil spout of rolling material to minimum oil level, photoelectric sensor (26) cable order three-way magnetic valve (28) is closed frying oil floss hole (65), open baste floss hole (66) simultaneously, atmospheric pressure is pressed into frying and roasting stove sparge pipe (30) with baste and sprays baste to minimum liquid level to the rolling material, photoelectric sensor (27) cable order three-way magnetic valve is closed frying oil and baste floss hole, the rolling material is fried roasting to the highest fried roasting temperature, fried roasting automatic temperature control instrument (40) cable order infrared heater (3) carries out automatic heat preserving, the rolling material is fried roasting to maximum vacuum, vacuum sensor (44) cable order electromagnetic switch (51) is cut off infrared heater, speed regulator, vacuum-pump power supply, cable order electric bell (53) sends the frying and roasting seasoning operation that the sound of musical instrument sign is finished this stove food automatically simultaneously

Unload stove and carry out next stove food fried roasting before, make frying and roasting stove and preheating furnace realize the function exchange: the sealing frying and roasting stove is to the valve (36) of preheating furnace, make the material insulation that has been preheated, progressively charge into the puffed degree of the fried roasting food of air control and make the stove inside and outside air pressure balance to the frying and roasting stove chamber with electromagnetism charge valve (45) with corresponding impulse speed, open the frying and roasting stove door, drawing off a fried good charging basket packs into one and treats that fried charging basket is until replacing fully, only before finishing operation, do not reinstall and treat fried charging basket, sealed the frying and roasting stove door, draw off at the bottom of the frying and roasting stove and the valve (42) of closing its condensation pond behind the unnecessary frying oil in the charging basket gap, draw off valve (41) and (42) of closing its condensation pond behind the condensed water in the preheating furnace condensation pond, open-minded: frying and roasting stove is to the wireway (38) of preheating furnace, the wireway (60) of the gas outlet of frying and roasting stove (68) to magnetic valve (33), from three-way magnetic valve (28) to the woven hose (57) between the preheating furnace sparge pipe (30), closed simultaneously from three-way magnetic valve (28) to the woven hose (57) between the frying and roasting stove sparge pipe (30), close the wireway (60) of gas outlet (68) to magnetic valve (33) of preheating furnace, two-way switch with correspondence is connected: the preheating furnace infrared heater, the power supply that electromagnetism charge valve and speed regulator rotate counterclockwise has disconnected the frying and roasting stove infrared heater simultaneously, the power supply that electromagnetism charge valve and speed regulator clockwise rotate, connect: the vacuum sensor of preheating furnace (44) to the conductor wire of three-way magnetic valve (28) and electromagnetic switch (51) has disconnected the conductor wire of the vacuum transducer (44) of frying and roasting stove to three-way magnetic valve (28) and electromagnetic switch (51) simultaneously, so just finished the beamhouse operation program of fried roasting preceding frying and roasting stove of next stove food and the exchange of preheating furnace function, be about to former preheating furnace and change frying and roasting stove into, change former frying and roasting stove into preheating furnace carries out next stove to the new clothes material the pre-hot work of material carrying out the frying and roasting seasoning operation of next stove food through the material of preheating;

The discharging of charging basket: treat that fried roasting food in the charging basket of having come out of the stove is cooled to normal temperature, charging basket is locked on the loading and unloading frame, earlier bin gate is extracted out bin gate downwards and drawn off fried roasting good packaging for foodstuff or listing in bulk, charging basket washes clean, bin gate are upwards packed into quantitatively treat fried material, sealed bin gate and neatly put the wait shove charge;

The processing of a small amount of unnecessary frying oil: a small amount of unnecessary frying oil collection that will draw off installs in the cleaning container of band filter, after unnecessary frying oil collection after filtering is deposited and can be satisfied a required quantitative frying oil of heat, not adding under fresh oil and the stay-in-grade condition, carry out the repeated use below 3 times.

3, according to claim 2ly a kind ofly carry out the automatic frying and roasting seasoning method of food vacuum, it is characterized in that: in the automatic frying and roasting seasoning process of food, do not spray baste or do not spray frying oil or do not spray baste and frying oil with the described equipment of claim 1.