CN109757535B - Multifunctional vacuum frying dryer - Google Patents
Multifunctional vacuum frying dryer Download PDFInfo
- Publication number
- CN109757535B CN109757535B CN201910139514.8A CN201910139514A CN109757535B CN 109757535 B CN109757535 B CN 109757535B CN 201910139514 A CN201910139514 A CN 201910139514A CN 109757535 B CN109757535 B CN 109757535B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- communicated
- interface
- heat exchanger
- plate heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000003921 oil Substances 0.000 claims abstract description 99
- 239000008157 edible vegetable oil Substances 0.000 claims abstract description 62
- 239000000498 cooling water Substances 0.000 claims abstract description 51
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000009833 condensation Methods 0.000 claims description 23
- 230000005494 condensation Effects 0.000 claims description 23
- 238000001291 vacuum drying Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000001035 drying Methods 0.000 description 11
- 235000013305 food Nutrition 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000007599 discharging Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002255 enzymatic effect Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000011946 reduction process Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000012020 french fries Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 235000011888 snacks Nutrition 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
Abstract
The invention provides a multifunctional vacuum frying dryer which can realize the combination of high-efficiency heat exchange, energy conservation, vacuum frying, centrifugal deoiling, vacuum drying and other functions; the frying device comprises an oil supply system, a heat exchanger system and a frying system, wherein the oil supply system comprises an edible oil tank and a heat conduction oil tank; the heat exchange system is positioned outside the tank body, adopts a three-section heat exchange method, and comprises a first plate heat exchanger, a second plate heat exchanger, a third plate heat exchanger, a steam heater, a condensed water outlet and a cooling water inlet and outlet; the frying system comprises a frying tank body, a jacket, a tank cover, a material basket, a centrifugal rotating shaft, a vacuum pump, a steam condenser, a centrifugal pump with a filtering function and the like; the three systems are communicated through an external pipeline, and high heat conduction performance of the heat conduction oil is utilized, so that efficient heat exchange between the heat conduction oil and the edible oil is realized through the plate type heat exchanger. Compared with the prior art, the invention has the advantages of high-efficiency heat exchange, energy conservation, vacuum frying, centrifugal deoiling, vacuum drying and the like.
Description
Technical Field
The invention relates to the field of food frying equipment, in particular to energy-saving multifunctional vacuum frying equipment which integrates the functions of an external heat exchanger, vacuum frying, centrifugal deoiling, vacuum drying and the like.
Background
The fried food is one of traditional snacks in China, and has a very large variety, for example, fried meat strings, fried dough twists, fried balls, fried seafood, or french fries, fried vegetables and the like which are eaten every year, and is popular with consumers, especially young people, due to attractive flavor and crisp taste.
Vacuum frying technology has gradually emerged. The frying under vacuum improves the oxygen content of air, can be carried out by frying with lower oil temperature, and reduces the harm caused by food oxidation processes (such as fatty rancidity, enzymatic browning, other oxidative deterioration and the like), which is the advantage of vacuum low-temperature frying. However, the existing vacuum fryers suffer from several problems:
(1) The oil content of the product is high, and the oil content of the general product is more than 20 percent;
(2) The deep frying produces more solid waste residues and the oxidation of the product is large;
(3) The frying oil lacks a heat recovery system after frying, and heat energy is wasted.
Therefore, there is a need to find a device that can solve the above-mentioned problems.
Disclosure of Invention
The invention aims at: (1) The integrated machine is formed by integrating vacuum frying and vacuum drying, so that the existing vacuum frying technology is improved to vacuum frying, vacuum centrifugal deoiling and vacuum drying, and the oil content of the product is reduced to below 15%; (2) As vacuum frying is used as primary drying of combined drying in the invention, the generation of solid waste residues is reduced, the oxidation degree of the product and the frying oxidation degree are reduced, the product quality is improved, and the service cycle of the frying oil can be prolonged to a limited extent; (3) The heat transfer oil is used as a heat transfer medium for vacuum drying, and a heat exchange system of the heat transfer oil and the edible oil is additionally arranged, so that the purposes of heat recovery and heat energy waste reduction are achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
a multifunctional vacuum frying dryer comprises an oil supply system, a heat exchange system, a frying system, a pipeline and a valve;
the oil supply system comprises an edible oil tank and a heat conduction oil tank, and a first centrifugal pump, a second centrifugal pump, a first valve, a second valve and a third valve are respectively arranged at tank openings of the edible oil tank and the heat conduction oil tank;
the heat exchange system comprises a first plate heat exchanger, a second plate heat exchanger, a third plate heat exchanger, a steam heater I, a steam heater II, a steam condensation water outlet pipe I, a steam condensation water outlet pipe II, a cooling water inlet I, a cooling water inlet II and a cooling water outlet I and a cooling water outlet II, wherein the first plate heat exchanger is communicated with the second plate heat exchanger through a pipeline I and a pipeline II, the second plate heat exchanger is communicated with the third plate heat exchanger through a pipeline III, a pipeline IV and a pipeline V, the second plate heat exchanger is communicated with the frying system through a pipeline III, the pipeline IV and a pipeline V are communicated with the frying system through a pipeline V, the edible oil tank is respectively communicated with the first plate heat exchanger, the second plate heat exchanger, the heat conduction oil tank is respectively communicated with the second plate heat exchanger and the third plate heat exchanger, the first steam heater I and the cooling water outlet I are communicated with the first plate heat exchanger through three-way pipes, the first plate heat exchanger and the third plate heat exchanger are communicated with the third heat exchanger through three-way pipes, and the second heat conduction oil tank is communicated with the third plate heat exchanger through the cooling water outlet pipe;
the frying system comprises a frying tank body, a jacket, a tank cover, a material basket, a centrifugal rotating shaft, a vacuum pump, a steam condenser, a centrifugal pump III and a centrifugal pump IV, wherein the frying tank body is arranged in the jacket, the material basket is rotatably fixed in the frying tank body through the centrifugal rotating shaft, the tank cover is arranged above the frying tank body, the vacuum pump is communicated with the frying tank body, the steam condenser is arranged on a pipeline for communicating the vacuum pump with the tank body, a steam condensation water outlet is further arranged on the steam condenser, the jacket is communicated with a pipeline seven, and the frying tank body is communicated with a pipeline six;
the pipelines are controlled to circulate through valves.
Further, one side of the first plate heat exchanger is sequentially provided with an interface A1, an interface A2, an interface B1 and an interface B2;
the interface A1 is communicated with the interface A2 in the first plate heat exchanger, the interface B1 is communicated with the interface B2 in the first plate heat exchanger, and the interface B1 is also communicated with the interface B2 through a pipeline eight;
the interface A1 is communicated with the first steam heater and the first cooling water outlet through a tee pipeline, the interface A2 is communicated with the first cooling water inlet and the first steam condensation water outlet pipe, the interface B1 is communicated with the second plate heat exchanger and the frying tank body, and the interface B2 is communicated with the edible oil tank, the second plate heat exchanger and the frying tank body.
Further, the valve I is arranged between the centrifugal pump II and the connector B2, the valve IV is arranged on the steam condensation water outlet pipe I to control outflow of condensed water, and the valve V is arranged on the cooling water inlet I to control inflow of cooling water.
Further, an interface A3, an interface B3, an interface A4 and an interface B4 are sequentially arranged on one side of the second plate heat exchanger;
the interface A3 is communicated with the interface A4 in the second plate heat exchanger, the interface A3 is communicated with the interface A4 outside the second plate heat exchanger through a pipeline ten, the interface B3 is communicated with the interface B4 in the second plate heat exchanger, and the interface B3 is also communicated with the interface B4 outside the second plate heat exchanger through a pipeline eleven;
the interface A3 and the interface A4 are both communicated with the plate heat exchanger number one and the frying tank body, and the interface B3 and the interface B4 are both communicated with the plate heat exchanger number three and the jacket.
Further, an interface A5, an interface B5, an interface A6 and an interface B6 are sequentially arranged on one side of the third plate heat exchanger;
the interface A5 and the interface A6 are communicated in the third plate heat exchanger, and the interface B5 and the interface B6 are respectively communicated in the third plate heat exchanger and are externally communicated through a pipeline IV and a pipeline V;
the interface A5 is communicated with the second steam heater and the second cooling water outlet through a three-way pipeline twelve, the interface B5 is communicated with the second plate heat exchanger and the jacket, the interface A6 is communicated with the second steam condensation water outlet pipe and the second cooling water inlet, and the interface B6 is communicated with the heat conduction oil tank and the second plate heat exchanger.
Further, the frying tank body is a hollow tank body with an opening at the upper part, the jacket is in a shape consistent with the frying tank body and is tightly sleeved on the outer side of the middle lower part of the frying tank body, a cavity for containing heat conduction oil is formed in the jacket, the upper opening of the frying tank body is sealed by the tank cover, and the centrifugal rotating shaft penetrates through the material basket to detachably fix the material basket in the frying tank body.
Further, a valve six is arranged on the steam condensation water outlet, and a filter screen is arranged on the centrifugal pump three.
By adopting the technical scheme, the invention has the following remarkable effects:
1. when edible oil in the frying system is recovered to the second plate heat exchanger after frying, the heat conducting oil enters the second plate heat exchanger at the same time, the heat conducting oil is heated by using hot edible oil, then the heat conducting oil is introduced into the third plate heat exchanger for heating, and then the jacket is introduced for heating and drying the frying tank, so that the whole process circularly transmits heat, the efficient heat exchange function is realized, and the energy is saved.
2. The vacuum pump is arranged in the frying system, and the centrifugal rotating shaft is arranged to drive the material basket to rotate for centrifugal deoiling, so that the food is subjected to centrifugal deoiling and oil reducing technology in a vacuum environment.
3. The invention can realize the functions of vacuum frying, centrifugal deoiling, vacuum drying and the like in the same machine. First, the continuous completion of these operations under vacuum conditions can mitigate or even avoid the hazards associated with oxidation (e.g., fatty rancidity, enzymatic browning, and other oxidative deterioration, etc.); secondly, the vacuum frying is used as a primary drying means of the materials, the materials after vacuum frying form a puffed tissue structure, the materials under the structure can be rapidly dehydrated, after the oil is discharged from the tank body, the materials are subjected to vacuum centrifugal deoiling, and then the vacuum drying is used as a final drying means, so that the water content of the food can be reduced to be within a safe range of 3%, and the purposes of controlling the oil and reducing the oil of the materials are realized in the whole process.
The whole equipment has simple structure, simple and ingenious design and high feasibility, and can be widely popularized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an energy-saving vacuum frying dryer according to the invention;
FIG. 2 is a schematic diagram of a plate heat exchanger of an energy-saving vacuum frying dryer according to the invention;
fig. 3 is a schematic diagram of a frying tank of the energy-saving vacuum frying dryer according to the invention.
Marked in the figure as: plate heat exchanger 1, steam heater 12, pipe nine 3, valve seven 4, cooling water outlet 5, valve eight 6, valve nine 7, valve ten 8, valve eleven 9, pipe 10, plate heat exchanger 11, valve twelve 12, valve thirteen 13, valve fourteen 14, valve fifteen 15, valve sixteen 16, valve seventeen 17, valve eighteen 18, pipe three 19, pipe four 20, pipe 21, steam heater two 22, pipe twelve 23, valve nineteen 24, cooling water outlet two 25, valve twenty 26, steam condenser 27, vacuum pump 28, tank cover 29, frying tank body 30, basket 31, jacket 32, centrifugal shaft 33, centrifugal pump three 34, valve twenty-one 35, pipe six 36, pipe fifteen 37, pipe five 38, valve twenty-one 39, pipe 40, centrifugal pump one 41, heat conducting oil tank 42, valve twenty-three 43, cooling water outlet two 25, valve twenty-one 26, steam condenser 27, vacuum pump 28, tank cover 29, frying tank body 30, basket 31, jacket 32, centrifugal shaft 33, centrifugal pump three 34, pipe fifteen 37, pipe 40, centrifugal oil tank 42, and valve twenty-three 43 twenty-four 44, twenty-five 45, twenty-46, one 47, centrifugal pump two 48, edible oil tank 49, eight 50, cooling water inlet one 51, valve five 52, steam condensate outlet one 53, valve four 54, fourteen 55, two 56, valve two 57, valve three 58, valve twenty-six 59, valve twenty-seven 60, twenty-eight 61, valve twenty-nine 62, pipeline ten 63, valve thirty-64, valve thirty-eight 65, pipeline eleven 66, valve thirty-eight 67, valve thirty-eight 68, valve thirty-four 69, steam condensate outlet two 70, valve thirty-five 71, valve thirty-six 72, cooling water inlet 73, valve thirty-seven 74, valve thirty-eight 75, valve thirty-nine 76, valve forty 77, pipeline seven 78, steam condensate outlet 79, valve six 80, centrifugal pump four 81, valve forty-eight 82, pipeline 83, A heat exchanger plate 84.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below by referring to the accompanying drawings and by illustrating preferred embodiments. It should be noted, however, that many of the details set forth in the description are merely provided to provide a thorough understanding of one or more aspects of the invention, and that these aspects of the invention may be practiced without these specific details.
As shown in fig. 1, a multifunctional vacuum frying dryer comprises an oil supply system, a heat exchange system, a frying system and connecting pipelines thereof; the frying dryer can realize the combination of multiple functions with the same machine, namely three functions of vacuum frying, centrifugal deoiling and vacuum drying can be sequentially finished in the same frying machine (the same frying tank), the oil reduction process is realized, and the efficiency and the energy conservation are realized.
As shown in fig. 1, the oil supply system comprises an edible oil tank 49 and a heat conduction oil tank 42, wherein a first centrifugal pump 41, a second centrifugal pump 48, a first valve 47, a second valve 57 and a third valve 58 are respectively arranged at tank openings of the edible oil tank 49 and the heat conduction oil tank 42;
as shown in fig. 1, the heat exchange system comprises a first plate heat exchanger 1, a second plate heat exchanger 11, a third plate heat exchanger 21, a first steam heater 2, a second steam heater 22, a first steam condensation water outlet pipe 53, a second steam condensation water outlet pipe 70, a first cooling water inlet 51, a second cooling water inlet 73, a first cooling water outlet 5 and a second cooling water outlet 25, wherein the first plate heat exchanger 1 is communicated with the second plate heat exchanger 11 through a first pipeline 10 and a second pipeline 56, the second plate heat exchanger 11 is communicated with the third plate heat exchanger 21 through a third pipeline 19, a fourth pipeline 20 and a fifth pipeline 38, the second plate heat exchanger 11 is communicated with the frying system through a third pipeline 19, a fourth pipeline 20, a seventh pipeline 78 and a sixth pipeline 36, the third plate heat exchanger 21 is communicated with the frying system through a seventh pipeline 78, the edible 49 is respectively communicated with the first plate heat exchanger 1 and the second plate heat exchanger 11, the heat conducting oil tank 42 is respectively communicated with the third plate heat exchanger 11 and the third plate heat exchanger 21, the first steam heater 2 and the cooling water outlet 5 are respectively communicated with the third plate heat exchanger 21 through the first pipeline 1, the third plate heat exchanger 1 and the third water outlet 53 and the third plate heat exchanger 1 are communicated with the third water outlet 51 through the third pipeline 51;
one side of the first plate heat exchanger 1 is sequentially provided with an interface A1, an interface A2, an interface B1 and an interface B2; the interface A1 is communicated with the interface A2 in the first plate heat exchanger 1, the interface B1 is respectively communicated with the interface B2 in the first plate heat exchanger 1, and the interface B1 is also communicated with the interface B2 through a pipeline eight 50; the interface A1 is communicated with the first steam heater 2 and the cooling water outlet 5 through a three-way pipe, the interface A2 is communicated with the first steam condensation water outlet pipe 53 and the first cooling water inlet 51, the interface B1 is communicated with the second plate heat exchanger 11 and the frying tank body 30, and the interface B2 is communicated with the edible oil tank 49, the second plate heat exchanger 11 and the frying tank body 30; the valve 43, the valve 44, the valve 45 and the valve one 47 are arranged between the centrifugal pump two 48 and the interface B2, the valve four 54 is arranged on the steam condensation water outlet pipe one 53 to control the outflow of condensed water, and the valve five 52 is arranged on the cooling water inlet one 51 to control the inflow of cooling water so as to control the outflow of steam condensed water and the inflow of cooling water; edible oil enters the first plate heat exchanger 1 from the edible oil tank 49 through the port B2, meanwhile, steam in the first steam heater 2 also enters the first plate heat exchanger 1 to exchange heat with the edible oil, the steam flows out from the port A2 through the first steam condensation water outlet pipe 53 after being condensed, and the edible oil flows into the second plate heat exchanger 11 through the port B1 through the first pipeline 10 or directly flows into the frying tank body 30 through the first pipeline 10 and the tenth pipeline 63.
The interface A3 and the interface A4 are communicated in the plate heat exchanger No. two 11, the interface A3 and the interface A4 are communicated outside the plate heat exchanger No. two 11 through a pipeline ten 63, the interface B3 and the interface B4 are communicated in the plate heat exchanger No. two 11, and the interface B3 and the interface B4 are also communicated outside the plate heat exchanger No. two 11 through a pipeline eleven 66; the interface A3 and the interface A4 can be communicated with the plate heat exchanger 1 and the frying tank body 30, and the interface B3 and the interface B4 can be communicated with the plate heat exchanger 21 and the jacket 32;
one side of the third plate heat exchanger 21 is sequentially provided with an interface A5, an interface B5, an interface A6 and an interface B6; the interface A5 and the interface A6 are communicated in the plate heat exchanger No. three 21, and the interface B5 and the interface B6 are communicated in the plate heat exchanger No. three 21 and are externally communicated through a pipeline five 38 and a pipeline four 20; the interface A5 is communicated with the second steam heater 22 and the second cooling water outlet 25 through a three-way pipeline twelve 23, the interface B5 is communicated with the second plate heat exchanger 11 and the jacket 32, the interface A6 is communicated with the second steam condensation water outlet pipe 70 and the second cooling water inlet 73, and the interface B6 is communicated with the heat conduction oil tank 42 and the second plate heat exchanger 11.
The first plate heat exchanger 1, the second plate heat exchanger 11 and the third plate heat exchanger 21 are all plate heat exchangers, and the plate heat exchangers are ideal equipment for carrying out heat exchange on liquid-liquid and liquid-vapor. The novel efficient heat exchanger is formed by stacking a series of metal sheets with a certain corrugated shape. The unique construction allows it to be used to advantage in a wide variety of heat exchangers. The working principle (shown in figure 2) is as follows: the plate heat exchanger is a heat exchanger which is formed by pressing a thin metal plate into heat exchange plates with a certain corrugated shape, then stacking the heat exchange plates, and fastening the heat exchange plates by using clamping plates and bolts. Thin rectangular channels are formed between the various plates through which heat is exchanged. The working fluid flows in a narrow and tortuous path formed between the two plates. The cold and hot fluid sequentially passes through the flow channels, and a separation plate sheet is arranged in the middle of the flow channels to separate the fluid and exchange heat through the separation plate sheet. The plate heat exchanger has the characteristics of compact structure, small occupied area, high heat transfer efficiency, high operation flexibility, wide application range, small heat loss, convenient installation and cleaning and the like due to the structure and the heat exchange principle of the plate heat exchanger.
As shown in fig. 1, the thirteenth 46 and eighth 50 pipes are communicated and pass through the tee joint pipe communication port B1, the fourteen 55 pipes are communicated with the port B1, the other ends are respectively communicated with the tenth 63 and the sixth 36 pipe through tee joints, the second 56 and eighth 50 pipes are communicated with the port B2 through tee joints, the first 10 pipe is communicated with the first 1 and eighth 50 pipes through tee joints, the first 10 pipe is communicated with the first 3 and tenth 63 pipes through tee joints, the tenth 63 pipe is communicated with the first 4 and the extension pipe through tee joints, the second 56 and sixth 36 pipes are communicated with the extension pipe, the third 19 and fourth 20 pipes are communicated with the seventh 78 pipe through tee joints, the fifth 37 and the fifth 38 pipes are respectively communicated with the fourth 20 pipe through tee joints, and the valves are arranged at the positions of the third and fourth pipes.
As shown in fig. 3, the frying system comprises a frying tank body 30, a jacket 32, a tank cover 29, a basket 31, a centrifugal rotating shaft 33, a vacuum pump 28, a steam condenser 27, a centrifugal pump III 34 and a centrifugal pump IV 81, wherein the frying tank body 30 is arranged in the jacket 32, the basket 31 is rotatably fixed in the frying tank body 30 through the centrifugal rotating shaft 33, the tank cover 29 is arranged above the frying tank body 30, the vacuum pump 27 is communicated with the frying tank body 30, the steam condenser 27 is arranged between communication pipelines, the jacket 32 is communicated with a pipeline seven 78, and the frying tank body 30 is communicated with a pipeline six 36.
As shown in fig. 3, the frying tank 30 is a hollow tank with an opening at the upper part, the jacket 32 is in a shape consistent with the frying tank 30 and is tightly sleeved on the outer side of the middle lower part of the frying tank 30, a cavity for containing heat conduction oil is formed in the jacket 32, the jacket 32 is tightly attached to the frying tank 30 and is made of heat conduction material, the outer part of the jacket 32 is made of heat insulation material, the tank cover 29 seals the opening at the upper part of the frying tank 30, the centrifugal rotating shaft 33 penetrates through the basket 31 to detachably fix the basket in the frying tank 30, the middle of the centrifugal rotating shaft 33 penetrates through part of the basket 30 to be detachable, the bottom of the centrifugal rotating shaft 33 is fixed at the bottom center of the frying tank 30, the top of the centrifugal rotating shaft 33 is fixed at the top center of the tank cover 29, and a filter screen is arranged on the centrifugal pump III 34; the tank cover 29 is hollow cone-shaped, the vacuum pump 28 is communicated with the tank body 30 through a pipeline 83, the pipeline 83 is a three-way pipeline, a steam condenser 27 is arranged on the pipeline 83, the steam condenser 27 is communicated between the vacuum pump 28 and the frying tank body 30, a steam condensation water outlet 79 is further arranged on the steam condenser 27, the jacket 32 is communicated with a pipeline seven 78, the frying tank body 30 is communicated with a pipeline six 36, and a valve six 80 is arranged on the steam condensation water outlet 79.
The specific process for realizing the combination with the machine comprises the following steps: vacuumizing the interior of the frying tank, and then introducing hot edible oil to carry out vacuum frying on the materials; discharging edible oil from the tank after frying, starting the centrifugal rotating shaft after discharging the oil, driving the material basket to horizontally rotate, and throwing away oil drops attached to the surface of the material (centrifugal deoiling); meanwhile, heat conduction oil (hot heat conduction oil after heat exchange with edible oil) is introduced into a jacket surrounding the tank body, and the heat of the heat conduction oil is utilized to dry the material in the tank body (similar to the drying principle of an oven), and the whole process is carried out in a vacuum environment, namely vacuum drying.
The vacuum frying is continuously finished under vacuum, the oil content of the product is low, the product is in a negative pressure state, and the food processing is carried out under the relatively anoxic condition, so that the damage caused by oxidation (such as fatty rancidity, enzymatic browning, other oxidative deterioration and the like) can be reduced or even avoided. In a negative pressure state, oil is used as a heat transfer medium, water (free water and partial bound water) in the food can be rapidly evaporated and sprayed out, so that a loose and porous structure is formed in the tissue, and a high-quality fried product is obtained; the centrifugal deoiling has the meaning that under the vacuum negative pressure environment, the oil on the surface of the material is not immersed into a gap structure deeply, and more oil (compared with non-vacuum) can be thrown out of the material by using the centrifugal force of the rotation of the material basket, so that the oil reduction process is realized; finally, the final drying is performed by vacuum drying, so that the water content of the food is reduced to be within a safe water content range of about 3%, and the product drying process is completed. The vacuum frying is only primary drying, the oil absorption of the food can be controlled by controlling the vacuum frying degree, and the food is not contacted with the edible oil and does not absorb oil in the vacuum drying process after the edible oil is discharged, so that the oil content is not increased any more, and the purpose of controlling the oil is achieved. In general, the combined drying method of vacuum frying and vacuum drying can achieve the aim of reducing oil in vacuum frying.
The working principle of the invention is as follows:
before frying, loading the materials to be fried into a basket 31, opening a tank cover 29, putting the basket 29 filled with the materials into a frying tank body 30, closing the tank cover 29, starting a vacuum pump 28 to vacuumize the tank body 30, introducing hot edible oil into the tank body 30 from a port D, and starting frying; in the frying process, the basket 31 can slowly rotate under the drive of the centrifugal rotating shaft 33, so that the materials are uniformly and fully fried, steam generated by frying is condensed into condensed water by the steam condenser 27, and the condensed water flows out from the pipe orifice 79; after frying, the hot edible oil is pumped out from the D interface through a centrifugal pump III 34 with a filtering function, and meanwhile, the rotating speed of a centrifugal rotating shaft 33 is regulated to throw out the oil attached to the surface of the material, so that a vacuum centrifugal deoiling function is realized; after the heat exchange of the edible oil and the heat conducting oil is finished, the hot heat conducting oil is introduced into the jacket 32 from the C interface, and the heat of the heat conducting oil is transferred into the tank body 30, so that the vacuum drying function is realized. After drying, the can lid 29 is opened and the material is taken out. The heat conduction oil in the jacket 32 flows back to the plate heat exchanger No. two 11 through the centrifugal pump at the port C, and exchanges heat with the edible oil pumped out of the edible oil tank 49. Therefore, the recycling of heat energy can be realized, and the production cost is saved.
When the food is fried for the first time, the valve 45, the valve 7, the valve 9, the valve 14, the valve 61, the valve 59 and the valve 39 are closed, the valve one 47, the valve 43, the valve 44, the valve 8, the valve 15, the valve 62, the valve 60 and the valve 35 are opened, the centrifugal pump two 48 provides the driving force, the edible oil enters the first plate heat exchanger 1 from the port B2 through the pipeline thirteen 46 and is heated, and then enters the frying tank body 30 from the port D through the pipeline one 10, the pipeline ten 63 and the pipeline 36 six to fry the materials in the material basket 31;
after frying, valve 39, valve 59 and valve 62 are closed, valve 35, valve 60 and valve 61 are opened, edible oil is provided with driving force by centrifugal pump III 34, and flows back to plate heat exchanger II 11 from port A4 through pipeline III 36. Simultaneously, the valve II 57 and the valve 13 are closed, the valve III 58 and the valve 12 are opened, the centrifugal pump I41 provides driving force, and heat conduction oil enters the plate heat exchanger II 11 from the interface B3 through the pipeline 40 to exchange heat with edible oil;
after heat exchange is finished, the valve 67, the valve 16, the valve 64 and the valve 69 are closed, the valve 18, the valve 17, the valve 65 and the valve 68 are opened, so that heat conduction oil flows out from the interface B4, and enters the third plate heat exchanger 21 from the interface B6 through the pipeline eleven 66 and the pipeline five 38 for reheating; after reheating, valve 76 and valve 77 are closed, valve 74, valve 75 and valve 82 are opened, so that heat conduction oil flows out from port B5, enters jacket 32 from port C through pipe seven 78, and the heat of the heat conduction oil is utilized to carry out vacuum drying on the materials. At this time, the edible oil which transfers heat to the heat conducting oil is changed into medium-temperature edible oil (50-60 ℃) from high-temperature edible oil (90-120 ℃), valve 15, valve 9, valve 7 and valve 45 are closed, valve 14, valve 8, valve 44, valve 43 and valve 47 are opened, so that the medium-temperature edible oil flows out from port A3, enters the first plate heat exchanger 1 from port B1 through the pipeline I10, simultaneously, valve 4 and valve 53 are closed, valve five 52 and valve 6 are opened, cooling water is introduced from the cooling water inlet I51 to cool the edible oil, cooling water flows out from the cooling water outlet I5, and the cooled low-temperature edible oil flows out from port B2 and flows into the edible oil tank 49 through the pipeline thirteen 46.
If the second frying is needed, the valve 75 and the valve 18 are closed, the valve 82, the valve 77 and the valve 67 are opened, the centrifugal pump IV 81 provides the driving force to pump the heat conduction oil in the jacket 32 out of the C outlet, and the heat conduction oil enters the second plate heat exchanger 11 from the B4 outlet through the pipeline IV 78, the pipeline III 19 and the pipeline IV 66; simultaneously, the valve 44, the valve 8 and the valve 15 are closed, the valve one 47, the valve 43, the valve 9 and the valve 14 are opened, the centrifugal pump two 48 provides driving force to pump the edible oil out and pass through the pipeline thirteen 46, the pipeline eight 50 and the pipeline one 10, and the edible oil enters the plate heat exchanger two numbers 11 from the port A3 to exchange heat with the heat conducting oil;
after heat exchange is finished, the valves 62 and 60 are closed, the valves 61, 59 and 45 are opened, so that edible oil flows out from the port A4, flows into the plate heat exchanger 1 from the port B2 through the pipeline II 56, and meanwhile, the steam heater I2 is opened to reheat the medium-temperature edible oil after heat exchange, after the medium-temperature edible oil is heated into high-temperature edible oil, the valves 8 and 60 are closed, the valves 7, 39 and 35 are opened, so that the high-temperature edible oil flows out from the port B1, flows into the frying tank body 30 from the port D through the pipeline fourteen and the pipeline VI 36, and is fried for the second time; simultaneously, the valve 12, the valve 17, the valve 18 and the valve 75 are closed, the valve 13, the valve 64, the valve 16, the valve 76 and the valve 74 are opened, so that the medium-temperature heat conduction oil after heat exchange flows out from the port B3, flows into the plate heat exchanger 21 from the port B5 through the pipeline IV 20, meanwhile, cooling water is put into the plate heat exchanger to cool the medium-temperature heat conduction oil according to the method, after the cooling is finished, the valve 68 is closed, the valve 69 and the valve II 57 are opened, so that the cold heat conduction oil flows out from the port B6, flows back to the heat conduction oil tank 42 through the pipeline fifteen 37, and the circulation heat release in the continuous frying process can be realized by reciprocation.
After the last frying, the valves 77 and 76 are closed, the valve 82, the valve 75 and the valve 74 are opened, the centrifugal pump IV 81 provides driving force to enable the heat conduction oil in the jacket 32 to flow out from the port C, the heat conduction oil enters the plate heat exchanger III 21 from the port B5 through the pipeline IV 78, meanwhile, cooling water is put into the heat conduction oil according to the method to cool the heat conduction oil, after the cooling is finished, the valve 68 is closed, the valve 69 and the valve II 57 are opened to enable the cold heat conduction oil to flow out from the port B6, and the cold heat conduction oil flows back to the heat conduction oil tank 42 through the pipeline IV 37.
In the frying process, when the edible oil is fried for the first time, the edible oil directly flows to the frying tank body 30 without passing through the plate heat exchanger No. two 11 after being heated in the plate heat exchanger No. 1; after the last frying, the hot heat conduction oil in the jacket 32 directly flows into the third plate heat exchanger 21 without passing through the second plate heat exchanger 11, and flows back to the heat conduction oil tank 42 after being cooled by the cooling water. When the heat exchange system is connected with two or more sets of frying systems, continuous frying can be realized by adding a communication pipeline and a valve and adjusting the valve, and heat exchange between the heat conduction oil and the edible oil is also realized continuously, so that the frying machine is more energy-saving.
The vacuum frying temperature is set to 90-120 ℃, when the first frying is carried out, the edible oil and the heat conducting oil are both cold oil, the temperature is about 20 ℃, and the heat exchange flow is as follows:
1. heating (a first plate heat exchanger 1) by normal temperature edible oil and steam (steam with the pressure of more than 3 kg), frying the edible oil at the frying temperature (90-120 ℃), and frying in a frying pot;
2. discharging edible oil under vacuum state after frying,
high-temperature edible oil, heat exchange between the second plate heat exchanger 11 and heat conducting oil, medium-temperature edible oil (about 50-60 ℃), cold water cooling of the first plate heat exchanger 1, and return of normal-temperature edible oil to an oil storage tank;
normal temperature heat conduction oil, heat exchange with edible oil in the second plate heat exchanger 11, medium temperature heat conduction oil (about 50 ℃ to 60 ℃), steam heating of the third plate heat exchanger 21, and high temperature heat conduction oil (about 70 ℃ to 90 ℃);
3. discharging heat conducting oil after the vacuum drying is finished,
if the operation is finished at this time, the next tank is not dried, and the heat conduction oil returns to the oil storage tank after being cooled by cold water through the plate heat exchanger No. 21; if the next tank is required to be processed, discharging and filling another tank of material, discharging heat conduction oil into the second plate heat exchanger 11, exchanging heat with edible oil, cooling by the third plate heat exchanger 21, and returning to the oil storage tank; the edible oil is heated by the first plate heat exchanger 1 after heat exchange by the second plate heat exchanger 11, and then enters a frying tank for frying. Thus, the energy-saving operation of heat recovery can be realized.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (5)
1. A multifunctional vacuum frying dryer is characterized in that: comprises an oil supply system, a heat exchange system, a frying system, a pipeline and a valve;
the oil supply system comprises an edible oil tank (49) and a heat conduction oil tank (42), wherein a first centrifugal pump (41), a second centrifugal pump (48), a first valve (47), a second valve (57) and a third valve (58) are respectively arranged at tank openings of the edible oil tank (49) and the heat conduction oil tank (42);
the heat exchange system comprises a first plate heat exchanger (1), a second plate heat exchanger (11), a third plate heat exchanger (21), a first steam heater (2), a second steam heater (22), a first steam condensation water outlet pipe (53), a second steam condensation water outlet pipe (70), a first cooling water inlet (51), a second cooling water inlet (73), a first cooling water outlet (5) and a second cooling water outlet (25), wherein the first plate heat exchanger (1) is communicated with the second plate heat exchanger (11) through a first pipeline (10) and a second pipeline (56), the second plate heat exchanger (11) is communicated with the third plate heat exchanger (21) through a third pipeline (19), a fourth pipeline (20) and a fifth pipeline (38), the second plate heat exchanger (11) is communicated with the frying system through a third pipeline (19), a sixth pipeline (36) and a seventh pipeline (78), the third plate heat exchanger (21) is communicated with the frying system through a seventh pipeline (78), the edible oil tank (49) is respectively communicated with the first plate heat exchanger (1), the second plate heat exchanger (21) and the third plate heat exchanger (42) are respectively communicated with the third plate heat exchanger (11), the steam heater I (2) and the cooling water outlet I (5) are communicated with the first plate heat exchanger (1) through three ports, the steam condensation water outlet pipe I (53) and the cooling water inlet I (51) are communicated with the first plate heat exchanger (1) through three-way pipes, the steam heater II (22) and the cooling water outlet II (25) are communicated with the third plate heat exchanger (21) through three-way pipes, and the steam condensation water outlet pipe II (70) and the cooling water inlet II (73) are communicated with the third plate heat exchanger (21) through three-way pipes;
the frying system comprises a frying tank body (30), a jacket (32), a tank cover (29), a material basket (31), a centrifugal rotating shaft (33), a vacuum pump (28), a steam condenser (27), a centrifugal pump III (34) and a centrifugal pump IV (81), wherein the frying tank body (30) is arranged in the jacket (32), the material basket (31) is rotatably fixed in the frying tank body (30) through the centrifugal rotating shaft (33), the tank cover (29) is arranged above the frying tank body (30), the vacuum pump (28) is communicated with the frying tank body (30), the steam condenser (27) is communicated between the vacuum pump (28) and the frying tank body (30), a steam condensing water outlet (79) is further formed in the steam condenser (27), the jacket (32) is communicated with a pipeline seven (78), and the frying tank body (30) is communicated with a pipeline six (36);
the pipelines are controlled to circulate through valves;
one side of the first plate heat exchanger (1) is sequentially provided with an interface A1, an interface A2, an interface B1 and an interface B2;
the interface A1 is communicated with the interface A2 in the first plate heat exchanger (1), the interface B1 is communicated with the interface B2 in the first plate heat exchanger (1), and the interface B1 is also communicated with the interface B2 through a pipeline eight (50);
the interface A1 is communicated with the steam heater I (2) and the cooling water outlet I (5) through a tee joint pipeline III (3), the interface A2 is communicated with the cooling water inlet I (51) and the steam condensation water outlet pipe I (53), the interface B1 is communicated with the plate heat exchanger II (11) and the frying tank body (30), and the interface B2 is communicated with the edible oil tank (49), the plate heat exchanger II (11) and the frying tank body (30);
one side of the second plate heat exchanger (11) is sequentially provided with an interface A3, an interface B3, an interface A4 and an interface B4;
the interface A3 is communicated with the interface A4 in the second plate heat exchanger (11), the interface A3 is communicated with the interface A4 outside the second plate heat exchanger (11) through a pipeline ten (63), the interface B3 is communicated with the interface B4 in the second plate heat exchanger (11), and the interface B3 is also communicated with the interface B4 outside the second plate heat exchanger (11) through a pipeline eleven (66);
the interface A3 and the interface A4 are both communicated with the plate heat exchanger No. 1 and the frying tank body (30), and the interface B3 and the interface B4 are both communicated with the plate heat exchanger No. three (21) and the jacket (32);
one end of a pipeline thirteen (46) is communicated with an edible oil tank (49), the other end of the pipeline thirteen (46) is communicated with a pipeline eighth (50), the pipeline eighth (50) is communicated with a joint B1 through a three-way pipe, one end of a pipeline fourteen (55) is communicated with a pipeline ten (63) and a pipeline six (36) through a three-way pipe, the other end of the pipeline B2 is communicated with a pipeline two (56) and a pipeline eighth (50) through a three-way pipe, one end of a pipeline one (10) is communicated with the joint B1 and the pipeline eighth (50) through a three-way pipe, the other end of the pipeline one (10) is communicated with one end of the joint A3 and the pipeline ten (63) through a three-way pipe, the other end of the pipeline ten (63) is communicated with a joint A4 and an extension pipeline through a three-way pipe, the extension pipeline is communicated with a pipeline two (56) and a pipeline six (36) through a three-way pipe, the joint B3, a pipeline five (38), a pipeline eleven (66) and a pipeline four (20) are communicated with a pipeline three (19), the other end of the pipeline four (20) is respectively communicated with a pipeline seven (78) through a three-way pipe, the other end of the pipeline five (20) is communicated with a pipeline fifteen (37) through a pipeline five (37), and the other end of the pipeline five (37) is communicated with an oil tank.
2. The multifunctional vacuum frying dryer according to claim 1, wherein the valve I (47) is arranged between the centrifugal pump II (48) and the connector B2, the valve IV (54) is arranged on the steam condensation water outlet pipe I (53) to control outflow of condensed water, and the valve V (52) is arranged on the cooling water inlet I (51) to control inflow of cooling water.
3. The multifunctional vacuum frying dryer according to claim 1, wherein one side of the plate heat exchanger No. three (21) is sequentially provided with an interface A5, an interface B5, an interface A6 and an interface B6;
the interface A5 is communicated with the interface A6 in the third plate heat exchanger (21), and the interface B5 is communicated with the interface B6 in the third plate heat exchanger (21) and is externally communicated with the fifth pipeline (38) through the fourth pipeline (20);
the interface A5 is communicated with the second steam heater (22) and the second cooling water outlet (25) through a tee pipeline twelve (23), the interface B5 is communicated with the second plate heat exchanger (11) and the jacket (32), the interface A6 is communicated with the second steam condensation water outlet pipe (70) and the second cooling water inlet (73), and the interface B6 is communicated with the heat conduction oil tank (42) and the second plate heat exchanger (11).
4. The multifunctional vacuum frying dryer as claimed in claim 1, wherein the frying tank (30) is a hollow tank with an upper opening, the jacket (32) is in a shape consistent with the frying tank (30) and is tightly sleeved on the outer side of the middle lower part of the frying tank (30), the jacket (32) is internally provided with a cavity for containing heat conducting oil, the tank cover (29) seals the upper opening of the frying tank (30), and the centrifugal rotating shaft (33) penetrates through the material basket (31) to detachably fix the material basket in the frying tank (30).
5. The multifunctional vacuum frying dryer according to claim 1, wherein a valve six (80) is arranged on the steam condensation water outlet (79), and a filter screen is arranged on the centrifugal pump three (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139514.8A CN109757535B (en) | 2019-02-26 | 2019-02-26 | Multifunctional vacuum frying dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139514.8A CN109757535B (en) | 2019-02-26 | 2019-02-26 | Multifunctional vacuum frying dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109757535A CN109757535A (en) | 2019-05-17 |
| CN109757535B true CN109757535B (en) | 2024-03-15 |
Family
ID=66457268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910139514.8A Active CN109757535B (en) | 2019-02-26 | 2019-02-26 | Multifunctional vacuum frying dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109757535B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112335816A (en) * | 2020-12-15 | 2021-02-09 | 石屏县帅虹豆制品有限公司 | Heat exchange quick boiling method for raw soybean milk |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109795U (en) * | 1991-12-11 | 1992-07-15 | 王有德 | Multifunction fried pot |
| US5275093A (en) * | 1993-05-19 | 1994-01-04 | Chiu Yao J | Food processing equipment |
| CN2171291Y (en) * | 1993-08-28 | 1994-07-13 | 秦皇岛通海科技发展公司 | Vacuum low-temp. oil frying device |
| CN2495120Y (en) * | 2001-08-30 | 2002-06-19 | 秦皇岛通海科技发展公司 | Oil-removing type vacuum frying apparatus |
| CN101933529A (en) * | 2010-06-01 | 2011-01-05 | 韩国刚 | Vertical vacuum frying machine |
| DE202012105071U1 (en) * | 2012-12-27 | 2013-03-01 | Jiangnan University | A device for processing the food, which integrates the functions of microwave and vacuum roasting |
| CN102986756A (en) * | 2012-12-06 | 2013-03-27 | 江南大学 | Microwave and vacuum frying integrating device for food processing, and efficient frying method |
| 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 |
| CN207136071U (en) * | 2017-03-30 | 2018-03-27 | 山东八一食品工业装备有限公司 | Vacuum frying machine |
| CN210076433U (en) * | 2019-02-26 | 2020-02-18 | 广西大学 | Multifunctional vacuum frying and drying machine |
-
2019
- 2019-02-26 CN CN201910139514.8A patent/CN109757535B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2109795U (en) * | 1991-12-11 | 1992-07-15 | 王有德 | Multifunction fried pot |
| US5275093A (en) * | 1993-05-19 | 1994-01-04 | Chiu Yao J | Food processing equipment |
| CN2171291Y (en) * | 1993-08-28 | 1994-07-13 | 秦皇岛通海科技发展公司 | Vacuum low-temp. oil frying device |
| CN2495120Y (en) * | 2001-08-30 | 2002-06-19 | 秦皇岛通海科技发展公司 | Oil-removing type vacuum frying apparatus |
| CN101933529A (en) * | 2010-06-01 | 2011-01-05 | 韩国刚 | Vertical vacuum frying machine |
| CN102986756A (en) * | 2012-12-06 | 2013-03-27 | 江南大学 | Microwave and vacuum frying integrating device for food processing, and efficient frying method |
| DE202012105071U1 (en) * | 2012-12-27 | 2013-03-01 | Jiangnan University | A device for processing the food, which integrates the functions of microwave and vacuum roasting |
| 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 |
| CN207136071U (en) * | 2017-03-30 | 2018-03-27 | 山东八一食品工业装备有限公司 | Vacuum frying machine |
| CN210076433U (en) * | 2019-02-26 | 2020-02-18 | 广西大学 | Multifunctional vacuum frying and drying machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109757535A (en) | 2019-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210076433U (en) | Multifunctional vacuum frying and drying machine | |
| CN204764990U (en) | Steaming and backing processing equipment | |
| CN102406161A (en) | Method for producing instant straw mushroom chips by adopting vacuum low-temperature dehydration technology | |
| CN109757535B (en) | Multifunctional vacuum frying dryer | |
| CN102293354A (en) | Nut food steaming boiling and drying production line and work method thereof | |
| CN104180630A (en) | Kelp dryer | |
| CN110307707B (en) | A desiccator for aquatic products processing | |
| CN202993776U (en) | Continuous vacuum dryer | |
| CN104255844B (en) | A kind of multi-joint horizontal vacuum fryer | |
| CN213961659U (en) | Food steam energy-saving device | |
| CN103141858A (en) | Processing method for vacuum frozen puffed beef cube | |
| CN211960732U (en) | Low-temperature vacuum frying equipment | |
| CN1081898C (en) | Method for drying fruit and vegetable by combination of hot air with cold air | |
| CN206150415U (en) | Dehydrated vegetable automated production system | |
| CN211861639U (en) | Low-temperature vacuum frying equipment easy to control temperature | |
| CN212814078U (en) | Water bath constant temperature thick liquid equipment of cooking in dried bean processing | |
| CN102771733B (en) | Vacuum bulking machine for fruits and vegetables | |
| KR102173017B1 (en) | System for manufacturing dried namul | |
| CN206729034U (en) | Canned fish is dehydrated fried fish tartar souce machine | |
| CN111513556B (en) | Efficient steaming device for food processing | |
| CN111955646A (en) | Steaming device of automatic dehydrated vegetable production line | |
| CN209390989U (en) | A kind of carnivorous cooking device of band defrosting cleaning function | |
| CN216977375U (en) | Huai chrysanthemum drying and processing device | |
| CN202172800U (en) | Steaming, boiling and drying production line for nut food | |
| CN105661272A (en) | Coarse cereal microwave rapid drying and curing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |