CN110612995A - Vacuum low-temperature frying system - Google Patents

Vacuum low-temperature frying system Download PDF

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Publication number
CN110612995A
CN110612995A CN201911033048.1A CN201911033048A CN110612995A CN 110612995 A CN110612995 A CN 110612995A CN 201911033048 A CN201911033048 A CN 201911033048A CN 110612995 A CN110612995 A CN 110612995A
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CN
China
Prior art keywords
oil
frying
communicated
cage
tank
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Pending
Application number
CN201911033048.1A
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Chinese (zh)
Inventor
张勤
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Hunan Heng Sen Agricultural Development Co Ltd
Original Assignee
Hunan Heng Sen Agricultural Development Co Ltd
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Filing date
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Application filed by Hunan Heng Sen Agricultural Development Co Ltd filed Critical Hunan Heng Sen Agricultural Development Co Ltd
Priority to CN201911033048.1A priority Critical patent/CN110612995A/en
Publication of CN110612995A publication Critical patent/CN110612995A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A21BAKING; EDIBLE DOUGHS
    • A21BBAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
    • A21B5/00Baking apparatus for special goods; Other baking apparatus
    • A21B5/08Apparatus for baking in baking fat or oil, e.g. for making doughnuts

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Frying-Pans Or Fryers (AREA)

Abstract

The invention discloses a vacuum low-temperature frying system, which comprises a frying component, an oil supply component and a vacuum component, wherein the frying component is arranged on the bottom of the frying component; the frying assembly comprises a frying tank and a frying cage; the frying tank is provided with a discharge hole; a sealing door is arranged at the discharge port; the frying cage is movably arranged in the frying tank; the oil supply assembly comprises an oil outlet pipe, an oil outlet pump, a filter, a heater, an oil storage tank, an oil inlet pipe and an oil inlet pump; the filter, the heater and the oil storage tank are all lower than the frying tank; one end of the oil outlet pipe is communicated with the bottom of the frying tank; the other end of the oil outlet pipe is communicated with the inlet end of the oil outlet pump; the outlet end of the oil outlet pump is communicated with the filter; the filter is communicated with the heater; the heater is communicated with the oil storage tank; one end of the oil inlet pipe is communicated with the oil storage tank; the other end of the oil inlet pipe is communicated with the inlet end of an oil inlet pump, and the outlet end of the oil inlet pump is communicated with the upper part of the frying tank; the vacuum low-temperature frying system provided by the invention does not need to lift oil out of the frying tank for manual filtration, and is more convenient and faster to use.

Description

Vacuum low-temperature frying system
Technical Field
The invention relates to cooked food processing equipment, in particular to a vacuum low-temperature frying system.
Background
Frying in vacuum at low temperature, namely frying in vacuum (lower than atmospheric pressure); under normal pressure, the frying temperature needs 150-220 ℃; and frying food at 80-85 deg.C under 93.3 KPa. The vacuum low-temperature frying has the following advantages:
under the vacuum state, the food gap is enlarged, the moisture is rapidly gasified and expanded, the puffing effect is good, and the fried product is crisp and delicious.
In addition, the oil content of general fried food is as high as 40% -50%, while the oil content of vacuum fried food is 10% -20%, so that the vacuum frying is more oil-saving.
Meanwhile, under vacuum, the temperature of the frying oil can be reduced, and the moisture in the fried product can be quickly evaporated. The frying efficiency is improved, and the frying time is shortened; and the damage of high temperature to the nutrient content of the food can be effectively reduced.
The vacuum low-temperature frying system comprises a frying cylinder, but the oil in the existing vacuum low-temperature frying system is directly contained in the frying cylinder, the oil can contain a plurality of impurities (mostly food residues) after being fried for a plurality of times, the oil needs to be lifted out of the frying cylinder and filtered to be continuously used, and the operation is troublesome.
Disclosure of Invention
The invention mainly aims to provide a vacuum low-temperature frying system, and aims to solve the problem that the existing vacuum low-temperature frying system is troublesome to operate because oil needs to be lifted out of a frying cylinder and filtered for continuous use.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a vacuum low-temperature frying system comprises a frying assembly, an oil supply assembly and a vacuum assembly; the frying assembly comprises a frying tank and a frying cage; the frying tank is provided with a discharge hole; a sealing door is arranged at the discharge port; the frying cage is movably arranged in the frying tank;
the oil supply assembly comprises an oil outlet pipe, an oil outlet pump, a filter, a heater, an oil storage tank, an oil inlet pipe and an oil inlet pump; the filter, the heater and the oil storage tank are all lower than the frying tank; one end of the oil outlet pipe is communicated with the bottom of the frying tank; the other end of the oil outlet pipe is communicated with the inlet end of the oil outlet pump; the outlet end of the oil outlet pump is communicated with the filter; the filter is communicated with the heater; the heater is communicated with the oil storage tank; one end of the oil inlet pipe is communicated with the oil storage tank; the other end of the oil inlet pipe is communicated with the inlet end of the oil inlet pump, and the outlet end of the oil inlet pump is communicated with the upper part of the frying tank;
the vacuum assembly comprises an air suction pipe and an air suction pump; one end of the air exhaust pipe is communicated with the top of the frying tank; the other end of the air exhaust pipe is communicated with the air exhaust pump.
Preferably, the frying cage comprises a plurality of sub-cage bodies which are sequentially connected from top to bottom; the sub-cage body comprises a cage cylinder and a cage shaft;
the cage cylinder is a cylinder with an opening at the upper part and comprises a bottom wall and a side wall; the cage shaft is positioned on the axis of the cage cylinder; the cage shaft is arranged on the bottom wall in a penetrating manner; the bottom of the cage shaft extends out of the lower part of the bottom wall; the top of the cage shaft extends out of the upper part of the side wall;
the bottom of the cage shaft is provided with a shaft hole coaxial with the cage shaft; symmetrical notches are formed in the two sides of the shaft hole; the diameter of the top of the cage shaft is set to be capable of being matched and nested with the shaft hole; protrusions capable of being in nested fit with the notches are further arranged on two sides of the top of the cage shaft;
a rotating shaft capable of rotating automatically is arranged at the center of the bottom of the frying tank; the diameter of the top of the rotating shaft is set to be capable of being matched and nested with the shaft hole; the protrusions are further arranged on two sides of the top of the rotating shaft.
Preferably, the side wall is provided with a filter screen; the outer surface of the side wall of the cage cylinder on the uppermost layer is also provided with a plurality of fins in a connecting manner; a plurality of fins are distributed on the outer surface of the side wall at equal intervals;
the outlet end of the oil inlet pump and the communication point of the frying tank face the fins.
Preferably, the filter is a centrifugal filter.
Preferably, the heater is a steam heater.
Preferably, an oil-gas separator is further communicated between the air exhaust pipe and the air exhaust pump;
the oil-gas separator comprises a shell, a separation spiral piece, a filter element, a drain pipe, a drain valve and an oil pumping pipe; the shell is cylindrical; an air inlet and an air outlet are symmetrically formed in the side wall of the shell close to the upper part; the air inlet is communicated with the air exhaust pipe; the air outlet is communicated with the air pump;
the separation spiral sheet comprises a spiral blade and a shaft barrel; the spiral blade is arranged on the outer surface of the shaft barrel in a surrounding manner; the shaft cylinder and the shell are arranged coaxially; the edge of the spiral blade is in contact with the inner wall of the shell; the top of the shaft cylinder is communicated with the air outlet;
the filter element is arranged below the helical blade; the drain pipe is communicated with the bottom of the shell; the drain valve is communicated with the drain pipe; the oil pumping pipe is communicated with the lower part of the side wall of the shell, and the communication position of the oil pumping pipe and the shell is positioned below the filter element.
Preferably, the housing is higher than the oil storage tank; the oil pumping pipe is communicated with the oil storage tank; and a fourth electromagnetic valve is arranged at the position, close to the oil storage tank, of the oil pumping pipe.
Preferably, a heat-insulating layer is wrapped on the air exhaust pipe between the frying tank and the oil-gas separator; and the tank wall of the oil storage tank is provided with a heat-insulating interlayer.
Preferably, a first electromagnetic valve is arranged at the position, close to the frying tank, of the oil outlet pipe; a second electromagnetic valve is arranged at the position, close to the oil inlet pump, of the oil inlet pipe; a third electromagnetic valve is arranged at the position, close to the frying tank, of the air exhaust pipe;
the vacuum low temperature frying system includes a controller; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the air pump, the oil inlet pump and the oil outlet pump are all in control connection with the controller.
Preferably, the sealing door is hinged to the bottom of the discharge hole; and two sides of the top of the sealing door are respectively connected with 1 hydraulic telescopic rod.
Compared with the prior art, the invention at least has the following beneficial effects:
by arranging the oil supply assembly, oil can be circulated between the frying tank and the outside; the method specifically comprises the following steps: before frying, food is put into the frying cage, then the frying cage is put into the frying tank, and then the sealing door is closed; then starting an oil inlet pump, pumping the oil in the oil storage tank to the frying tank, and submerging the frying cage; then the oil inlet pump is closed and the air pump is started, the air pump reduces the air pressure in the frying tank, and the oil in the oil storage tank passes through the heater before entering the oil storage tank, so the oil temperature in the oil storage tank reaches the temperature capable of frying food; therefore, the oil in the frying tank can fry the food in vacuum at low temperature; after the frying is finished, pumping out the oil in the frying tank through the oil outlet pipe and the oil outlet pump and collecting the oil in the oil storage tank again; the oil flows through the filter by the oil outlet pump, which filters the oil from the frying tank to filter impurities in the oil.
The vacuum low-temperature frying system provided by the invention does not need to lift oil out of the frying tank for manual filtration, and is more convenient and faster to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic external view of an embodiment of a vacuum low temperature frying system of the present invention;
FIG. 2 is an enlarged perspective view of a cage according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of the internal structure of an oil-gas separator according to an embodiment of the vacuum low-temperature frying system of the present invention;
FIG. 4 is an enlarged schematic view of a cage shaft of an embodiment of a vacuum low temperature frying system of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a vacuum low-temperature frying system.
Referring to fig. 1-4, an embodiment of a vacuum low temperature frying system includes a frying assembly, an oil supply assembly, and a vacuum assembly; frying assembly includes frying tank 110 and frying cage 600; the frying tank 110 is provided with a discharge hole 120; a sealing door 130 is arranged at the discharge hole 120; frying cage 600 is movably disposed within frying pan 110.
The oil supply assembly includes an oil outlet pipe 210, an oil outlet pump 230, a filter 240, a heater 250, an oil storage tank 260, an oil inlet pipe 270 and an oil inlet pump 290; filter 240, heater 250, and storage tank 260 are all below fry tank 110; one end of the oil outlet pipe 210 is communicated with the bottom of the frying tank 110; the other end of the oil outlet pipe 210 is communicated with the inlet end of the oil outlet pump 230; the outlet end of the oil outlet pump 230 is communicated with a filter 240; the filter 240 is in communication with the heater 250; the heater 250 is communicated with the oil storage tank 260; one end of the oil inlet pipe 270 is communicated with the oil storage tank 260; the other end of the oil feed pipe 270 is connected to the inlet end of the oil feed pump 290, and the outlet end of the oil feed pump 290 is connected to the upper part of the fryer 110.
The vacuum assembly includes a suction tube 310 and a suction pump 350; one end of the air exhaust pipe 310 is communicated with the top of the frying tank 110; the other end of the suction pipe 310 is communicated with a suction pump 350.
The working principle is as follows: before frying, food is put into frying cage 600, then frying cage 600 is put into frying pan 110, and then sealing door 130 is closed; then oil feed pump 290 is started to pump the oil in oil storage tank 260 to frying tank 110 and submerge frying cage 600; then the oil feed pump 290 is turned off and the air pump 350 is turned on, the air pump 350 reduces the air pressure in the frying tank 110, and the oil in the oil storage tank 260 reaches the temperature at which the food can be fried because the oil in the oil storage tank 260 has passed the heater 250 before entering the oil storage tank 260; so that the oil in the frying tank 110 can fry the food in vacuum at low temperature; after frying, the oil in the frying tank 110 is pumped out through the oil outlet pipe 210 and the oil outlet pump 230 and is collected into the oil storage tank 260 again; the oil flows through filter 240 under the influence of oil output pump 230 and filters the oil from fryer 110 to filter impurities in the oil.
The vacuum low-temperature frying system provided by the invention does not need to lift oil out of the frying tank 110 for manual filtration, and is more convenient to use.
In addition, during the frying process, the oil outlet pump 230 and the oil inlet pump 290 are simultaneously started, so that the oil can circularly flow between the frying tank 110 and the oil supply assembly, and the flowing oil has better frying effect on the food.
In addition, frying cage 600 includes a plurality of sub-cage bodies 610 connected in series from top to bottom; the sub-cage 610 includes a cage cylinder and a cage shaft 650.
The cage barrel is a cylinder with an upper opening, and comprises a bottom wall 630 and a side wall 620; the cage shaft 650 is located on the axis of the cage; cage shaft 650 is disposed through bottom wall 630; a bottom 651 of the cage shaft extends below the bottom wall 630; the top 652 of the cage shaft extends above the sidewall 620.
The bottom 651 of the cage shaft is provided with a shaft hole 654 coaxial with the cage shaft 650; two sides of the shaft hole 654 are also provided with symmetrical notches 655; the top 652 of the cage shaft has a diameter configured to fit within the shaft hole 654; the cage shaft top 652 is also provided with projections 653 on each side that nestingly engage the notches 655.
A rotating shaft (not shown) capable of rotating automatically is arranged at the central position of the bottom of the frying tank 110; the diameter of the top of the rotating shaft is set to be capable of being matched and nested with the shaft hole 654; protrusions 653 are also provided on both sides of the top of the rotation shaft.
Through above-mentioned technical scheme for frying cage 600 can be at the internal rotation of frying jar 110, makes oil ability abundant contact food, and it is better to fry the effect.
In addition, the sidewall 620 is provided with a screen; the outer surface of the side wall 620 of the cage barrel on the uppermost layer is also provided with a plurality of fins 640; a plurality of fins 640 are equally spaced on the outer surface of the sidewall 620. The point of communication between the outlet end of the oil feed pump 290 and the fryer pot 110 is directed toward the fin 640. By the above technical scheme, oil can enter the frying tank 110 from the outlet end of the oil feed pump 290 to push the frying cage 600 to rotate.
Meanwhile, the filter 240 is a centrifugal filter. The filtering effect is better.
The heater 250 is a steam heater. The heating effect is good, and steam in a factory can be utilized.
In addition, an oil-gas separator 340 is communicated between the suction pipe 310 and the suction pump 350.
The oil-gas separator 340 comprises a shell 500, a separation spiral sheet, a filter element 450, a drain pipe 470, a drain valve 480 and an oil pumping pipe 460; the housing 500 is cylindrical; the side wall of the housing 500 is symmetrically provided with an air inlet 410 and an air outlet 420 near the upper part; the air inlet 410 is communicated with the exhaust pipe 310; the outlet port 420 communicates with the suction pump 350.
The separation helix comprises a helical blade 440 and a shaft barrel 430; the helical blade 440 is arranged around the outer surface of the shaft barrel 430; the shaft barrel 430 and the shell 500 are coaxially arranged; the edge of the spiral vane 440 is in contact with the inner wall of the case 500; the top of the shaft cylinder 430 is communicated with the air outlet 420.
The filter element 450 is arranged below the helical blade 440; the drain pipe 470 is communicated with the bottom of the housing 500; the drain valve 480 is communicated with a drain pipe 470; the oil pumping pipe 460 is connected to the lower portion of the sidewall 620 of the housing 500, and the connection between the oil pumping pipe 460 and the housing 500 is located below the filter element 450.
The working principle is as follows: after the gas pumped from the frying tank 110 enters the oil-gas separator 340 and passes through the separation spiral sheet, oil is separated from the gas and collected to the filter element 450 at the lower part, and the gas enters from the bottom of the shaft 430 and comes out from the gas outlet 420; the separated oil passes through the filter element 450, then the impurities are filtered, and the oil is collected to the lower part of the shell 500, because of different specific gravities of the oil and the water, the water is collected to the lower layer, and the oil is collected to the upper layer of the water; the oil can be discharged through the oil suction pipe 460 and the water can be discharged through the water discharge pipe 470 provided at the bottom of the case 500.
Meanwhile, the case 500 is higher than the oil tank 260; the oil pumping pipe 460 is communicated with the oil storage tank 260; the oil pumping pipe 460 is provided with a fourth solenoid valve 490 near the oil storage tank 260. So that the oil separated and discharged from the inside of the oil separator 340 is newly merged into the oil reservoir 260.
In addition, the heat insulation layer 330 is wrapped on the extraction pipe 310 between the frying tank 110 and the oil-gas separator 340 to prevent the extracted gas from condensing in the extraction pipe 310 when the gas is cooled, so that the oil is retained in the extraction pipe 310; the walls of the oil tank 260 are provided with a thermal insulating interlayer (not shown) to ensure the temperature of the oil in the oil tank 260, so that the subsequent frying operation can be performed.
In addition, the oil outlet pipe 210 is provided with a first electromagnetic valve 220 near the frying tank 110; a second electromagnetic valve 280 is arranged at the position of the oil inlet pipe 270 close to the oil inlet pump 290; the exhaust pipe 310 is provided with a third electromagnetic valve 320 near the frying tank 110.
The vacuum low temperature frying system includes a controller (not shown); the first solenoid valve 220, the second solenoid valve 280, the third solenoid valve 320, the fourth solenoid valve 490, the air pump 350, the oil inlet pump 290 and the oil outlet pump 230 are all connected with the controller in a control way.
Through above-mentioned technical scheme, can open and close control to each pipeline to the staff is convenient for carry out the fried operation.
Meanwhile, the sealing door 130 is hinged at the bottom of the discharge hole 120; two sides of the top of the sealing door 130 are respectively connected with 1 hydraulic telescopic rod 140. The sealing door 130 can be opened more conveniently.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A vacuum low-temperature frying system is characterized by comprising a frying assembly, an oil supply assembly and a vacuum assembly; the frying assembly comprises a frying tank and a frying cage; the frying tank is provided with a discharge hole; a sealing door is arranged at the discharge port; the frying cage is movably arranged in the frying tank;
the oil supply assembly comprises an oil outlet pipe, an oil outlet pump, a filter, a heater, an oil storage tank, an oil inlet pipe and an oil inlet pump; the filter, the heater and the oil storage tank are all lower than the frying tank; one end of the oil outlet pipe is communicated with the bottom of the frying tank; the other end of the oil outlet pipe is communicated with the inlet end of the oil outlet pump; the outlet end of the oil outlet pump is communicated with the filter; the filter is communicated with the heater; the heater is communicated with the oil storage tank; one end of the oil inlet pipe is communicated with the oil storage tank; the other end of the oil inlet pipe is communicated with the inlet end of the oil inlet pump, and the outlet end of the oil inlet pump is communicated with the upper part of the frying tank;
the vacuum assembly comprises an air suction pipe and an air suction pump; one end of the air exhaust pipe is communicated with the top of the frying tank; the other end of the air exhaust pipe is communicated with the air exhaust pump.
2. The vacuum low temperature frying system of claim 1, wherein said frying cage comprises a plurality of sub-cages connected in series from top to bottom; the sub-cage body comprises a cage cylinder and a cage shaft;
the cage cylinder is a cylinder with an opening at the upper part and comprises a bottom wall and a side wall; the cage shaft is positioned on the axis of the cage cylinder; the cage shaft is arranged on the bottom wall in a penetrating manner; the bottom of the cage shaft extends out of the lower part of the bottom wall; the top of the cage shaft extends out of the upper part of the side wall;
the bottom of the cage shaft is provided with a shaft hole coaxial with the cage shaft; symmetrical notches are formed in the two sides of the shaft hole; the diameter of the top of the cage shaft is set to be capable of being matched and nested with the shaft hole; protrusions capable of being in nested fit with the notches are further arranged on two sides of the top of the cage shaft;
a rotating shaft capable of rotating automatically is arranged at the center of the bottom of the frying tank; the diameter of the top of the rotating shaft is set to be capable of being matched and nested with the shaft hole; the protrusions are further arranged on two sides of the top of the rotating shaft.
3. A vacuum deep-frying system according to claim 2, wherein said side wall is provided with a sieve; the outer surface of the side wall of the cage cylinder on the uppermost layer is also provided with a plurality of fins in a connecting manner; a plurality of fins are distributed on the outer surface of the side wall at equal intervals;
the outlet end of the oil inlet pump and the communication point of the frying tank face the fins.
4. A vacuum cryogenic frying system according to claim 1 wherein said filter is a spin-on filter.
5. A vacuum deep-frying system according to claim 1 wherein said heater is a steam heater.
6. The vacuum low-temperature frying system according to claim 1, wherein an oil-gas separator is further communicated between the suction pipe and the suction pump;
the oil-gas separator comprises a shell, a separation spiral piece, a filter element, a drain pipe, a drain valve and an oil pumping pipe; the shell is cylindrical; an air inlet and an air outlet are symmetrically formed in the side wall of the shell close to the upper part; the air inlet is communicated with the air exhaust pipe; the air outlet is communicated with the air pump;
the separation spiral sheet comprises a spiral blade and a shaft barrel; the spiral blade is arranged on the outer surface of the shaft barrel in a surrounding manner; the shaft cylinder and the shell are arranged coaxially; the edge of the spiral blade is in contact with the inner wall of the shell; the top of the shaft cylinder is communicated with the air outlet;
the filter element is arranged below the helical blade; the drain pipe is communicated with the bottom of the shell; the drain valve is communicated with the drain pipe; the oil pumping pipe is communicated with the lower part of the side wall of the shell, and the communication position of the oil pumping pipe and the shell is positioned below the filter element.
7. A vacuum cryogenic frying system according to claim 6 wherein said housing is elevated above said oil storage tank; the oil pumping pipe is communicated with the oil storage tank; and a fourth electromagnetic valve is arranged at the position, close to the oil storage tank, of the oil pumping pipe.
8. The vacuum low-temperature frying system according to claim 6, wherein the exhaust pipe between the frying tank and the oil-gas separator is wrapped with an insulating layer; and the tank wall of the oil storage tank is provided with a heat-insulating interlayer.
9. The vacuum low-temperature frying system according to claim 7, wherein said oil outlet pipe is provided with a first solenoid valve near said frying tank; a second electromagnetic valve is arranged at the position, close to the oil inlet pump, of the oil inlet pipe; a third electromagnetic valve is arranged at the position, close to the frying tank, of the air exhaust pipe;
the vacuum low temperature frying system includes a controller; the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the air pump, the oil inlet pump and the oil outlet pump are all in control connection with the controller.
10. The vacuum low-temperature frying system according to any one of claims 1 to 9, wherein the sealing door is hinged to the bottom of the discharge port; and two sides of the top of the sealing door are respectively connected with 1 hydraulic telescopic rod.
CN201911033048.1A 2019-10-28 2019-10-28 Vacuum low-temperature frying system Pending CN110612995A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111616171A (en) * 2020-07-02 2020-09-04 青岛六一机械有限公司 Filter equipment for deep-fry equipment
CN112568247A (en) * 2020-11-10 2021-03-30 安徽东方果园生物科技有限公司 Energy-saving vacuum frying machine
CN114009463A (en) * 2021-11-02 2022-02-08 龙海市通利食品机械设备有限公司 Vacuum low-temperature frying equipment for fruits and vegetables
CN114052054A (en) * 2021-09-18 2022-02-18 食赢未来(青岛)食品科技有限公司 Safe frying system and method

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EP2520204A2 (en) * 2011-05-02 2012-11-07 Heat and Control, Inc. Unitized vacuum fryer
CN203058180U (en) * 2013-01-09 2013-07-17 湖北仕外田源生态农业有限公司 Vacuum low-temperature frying drying system
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CN114009463A (en) * 2021-11-02 2022-02-08 龙海市通利食品机械设备有限公司 Vacuum low-temperature frying equipment for fruits and vegetables

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Application publication date: 20191227