CN111493286A - Energy-saving and environment-friendly system for fried instant noodle production line and control method - Google Patents
Energy-saving and environment-friendly system for fried instant noodle production line and control method Download PDFInfo
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- CN111493286A CN111493286A CN202010472877.6A CN202010472877A CN111493286A CN 111493286 A CN111493286 A CN 111493286A CN 202010472877 A CN202010472877 A CN 202010472877A CN 111493286 A CN111493286 A CN 111493286A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 235000008446 instant noodles Nutrition 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000011084 recovery Methods 0.000 claims abstract description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 80
- 239000000779 smoke Substances 0.000 claims abstract description 66
- 239000002699 waste material Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims description 42
- 239000003517 fume Substances 0.000 claims description 20
- 238000005192 partition Methods 0.000 claims description 14
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 230000008020 evaporation Effects 0.000 claims description 8
- 239000008236 heating water Substances 0.000 claims description 7
- 239000002918 waste heat Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 235000012149 noodles Nutrition 0.000 description 12
- 238000010411 cooking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L7/00—Cereal-derived products; Malt products; Preparation or treatment thereof
- A23L7/10—Cereal-derived products
- A23L7/117—Flakes or other shapes of ready-to-eat type; Semi-finished or partly-finished products therefor
-
- A—HUMAN NECESSITIES
- A21—BAKING; EDIBLE DOUGHS
- A21B—BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING
- A21B5/00—Baking apparatus for special goods; Other baking apparatus
- A21B5/08—Apparatus for baking in baking fat or oil, e.g. for making doughnuts
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/11—General methods of cooking foods, e.g. by roasting or frying using oil
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/10—General methods of cooking foods, e.g. by roasting or frying
- A23L5/13—General methods of cooking foods, e.g. by roasting or frying using water or steam
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
- F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
- F28D7/085—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions
- F28D7/087—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration in the form of parallel conduits coupled by bent portions assembled in arrays, each array being arranged in the same plane
-
- 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 an energy-saving and environment-friendly system for a fried instant noodle production line and a control method, wherein a steam box, an oil pan and a steam box steam distributing cylinder are arranged on the production line, the system comprises a steam box heat recovery device, a first fan, an oil pan heat recovery device, a second fan and a steam compressor, and the steam box heat recovery device recovers steam box waste steam through the first fan and heats water in the steam box heat recovery device; the oil pan heat recovery device recovers the oil smoke of the oil pan through a second fan and heats the water of the oil pan heat recovery device; the steam inlet end of the steam compressor is respectively communicated with the steam box heat recovery device and the oil pan heat recovery device, so that water in the steam box heat recovery device and the oil pan heat recovery device generates low-pressure steam in a negative pressure state, the steam outlet end of the steam compressor is communicated with the steam box, and the low-pressure steam is converted into positive-pressure steam through pressurization and temperature rise and is sent to the steam box steam distributing cylinder. The invention converts the waste steam and oil smoke discharged by the steam box and the oil pan into useful steam, and reduces the use of the raw steam of the production line.
Description
Technical Field
The invention relates to the technical field of fried instant noodle production, and mainly relates to an energy-saving and environment-friendly system and a control method for a fried instant noodle production line.
Background
On the fried instant noodle production line, noodles are generally cooked through a steam box, then the noodles are fried through an oil pan, the heat energy consumed by cooking and frying is generally steam, namely on the fried instant noodle production line, the noodles are continuously conveyed into the steam box through a crawler belt, the steam box is internally used for directly spraying steam to cook the noodles in a short time, and the noodles are discharged from the steam box and then enter the oil pan to be fried and dehydrated.
At present, the prior art has the following defects: 1) the steam box is a normal-pressure device, direct injection steam is used, in order to ensure that the noodles can be steamed in the steam box in a short time, a large amount of steam needs to be sprayed in the steam box, the heat absorbed by the noodles is very little in practice, and most of the rest steam is directly discharged, so that not only is heat energy wasted, but also certain influence is caused on the environment; 2) the frying and dehydrating process of the noodles by the hot oil used by the frying pan can generate a large amount of oil smoke to be discharged from a chimney, and the oil smoke not only contains a large amount of heat, but also carries a certain proportion of oil stain, thereby having great influence on the surrounding environment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an energy-saving and environment-friendly system for a fried instant noodle production line.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a fried instant noodle production line energy-concerving and environment-protective system, wherein, fried instant noodle production line is equipped with steam ager, oil pan and steam ager steam distributing cylinder, and this energy-concerving and environment-protective system includes: the steam box heat recovery device is communicated with the steam box and used for recovering waste steam of the steam box and heating water in the steam box heat recovery device; the first fan is arranged between the steam box heat recovery device and the steam box and used for extracting the steam box waste steam into the steam box heat recovery device; the oil pan heat recovery device is communicated with the oil pan and used for recovering oil fume of the oil pan and heating water of the oil pan heat recovery device; the second fan is arranged between the oil pan heat recovery device and the oil pan and used for pumping the oil fume of the oil pan into the oil pan heat recovery device; the steam inlet end of the steam compressor is respectively communicated with the steam box heat recovery device and the oil pan heat recovery device, the steam outlet end of the steam compressor is communicated with the steam box through the steam box steam distributing cylinder, and the steam compressor can pressurize and heat up recovered waste heat steam and then convey the waste heat steam to the steam box steam distributing cylinder.
Compared with the prior art, the energy-saving and environment-friendly system for the fried instant noodle production line provided by the invention has the advantages that the steam box heat recovery device is utilized to recover steam box waste steam, the oil fume of the oil pan is recovered by the oil pan heat recovery device, waste heat below 100 ℃ is converted into low-pressure steam through a negative pressure vacuum state formed when the steam compressor works, the generated low-pressure steam is converted into positive-pressure steam by the steam compressor and is sent back to the steam box for use, the consumption of the generated steam of the production line is reduced, the pollution to the environment caused by the direct discharge of the steam and the oil fume is prevented, and the purposes of energy conservation and environment protection are achieved.
Preferably, the fried instant noodle production line is further provided with a heating kettle and an oil pump, the feeding end of the heating kettle is communicated with the oil outlet of the oil pot, the discharging end of the heating kettle is communicated with the oil inlet of the oil pot, the heating kettle is used for circularly heating oil in the oil pot, the energy-saving and environment-friendly system further comprises a flash tank, the feeding end of the flash tank is communicated with the heating kettle, the gas outlet end of the flash tank is communicated with a steam box steam distributing cylinder, the flash tank is used for carrying out flash evaporation on high-temperature steam condensate discharged by the heating kettle, generated steam is sent to the steam box steam distributing cylinder, the flash tank carries out reduced-pressure flash evaporation recovery on the high-temperature steam condensate, the raw steam consumption of the production line is reduced, and meanwhile, the influence of secondary steam.
Preferably, the system also comprises a condensed water recovery tank which is communicated with the flash tank and is used for recovering the condensed water left in the flash tank, so that the recovery and the use are convenient.
Preferably, oil pan heat reclamation device includes casing and a plurality of heat exchange tube, the casing upside is equipped with the oil smoke import, is equipped with the heat transfer chamber in the casing, and the casing downside is equipped with the oil smoke export, the setting that meanders about the heat exchange tube is in the heat transfer intracavity to it is fixed through the baffle the shape of heat exchange tube is so that it forms a heat exchange assemblies, forms the oil smoke passageway between two adjacent heat exchange assemblies, the entrance point and the oil smoke import intercommunication of each oil smoke passageway, exit end and oil smoke export intercommunication. The partition plates are used for connecting adjacent parts of the same heat exchange pipe after being meandered to form heat exchange assemblies, meanwhile, an oil smoke channel is formed between every two adjacent heat exchange assemblies, the heat exchange cavity is divided into a plurality of relatively independent oil smoke channels, oil smoke uniformly flows through each oil smoke channel after entering the heat exchange cavity from an oil smoke inlet, the partition plates are arranged to play a role in expanding a heating surface, the heat exchange area is increased, the protruding heat exchange pipelines on the partition plates improve the turbulence intensity of flowing oil smoke, the oil smoke is prevented from being deposited on the heating surface, and the heat exchange efficiency is improved.
Preferably, the heat exchange tube includes a plurality of straight-flow pipes and a plurality of arcs of the adjacent straight-flow pipe of intercommunication, straight-flow pipe with the arc is end to end in proper order, and the distance between two sections straight-flow pipes on same arc is reduced gradually by being close to this arc one end along keeping away from this arc one end for the structure of heat exchange tube is compacter, can save product space. Two pairwise adjacent straight-flow pipes are connected through the partition plate in a sealing mode to form the heat exchange assembly, the heat exchange assembly is convenient to process, and smooth oil smoke circulation is guaranteed.
Preferably, the pipe diameters of the straight-flow pipe and the arc-shaped pipe are R, and the arc radius of the arc-shaped pipe is R, wherein R is more than or equal to 3R, so that the flow area of the pipeline is ensured to be large enough, and the turbulent flow speed of water is ensured; the distance between two straight-flow pipes on the same arc-shaped pipe is d, wherein d is larger than or equal to r, so that two adjacent bent pipe sections are prevented from being touched. The radius of the bending position of the arc-shaped pipe is more than or equal to 3R and less than or equal to 4R, so that the radius of the bending position of the arc-shaped pipe is as small as possible while the sufficient flow area of the heat exchange pipe is ensured, and the structure of the heat exchange pipe is more compact.
Preferably, still be equipped with air inlet cavity and play gas cavity in the casing, air inlet cavity locates between oil smoke import and the heat transfer chamber, it locates between oil smoke export and the heat transfer chamber to go out the gas cavity to make things convenient for gathering of oil smoke to get into and gathering of the oil smoke after the condensation discharges, air inlet cavity is equipped with a plurality of washing shower nozzles, the external hot water source of washing shower nozzle or steam device are in order to realize the washing to the side heat transfer surface, keep the cleanness of side heat transfer surface, thereby guarantee the heat transfer effect of side heat transfer surface.
Preferably, the water outlet end of the heat exchange tube is positioned on the upper side of the heat exchange cavity, the water inlet end of the heat exchange tube is positioned on the lower side of the heat exchange cavity, water flows from bottom to top along the heat exchange tube, oil smoke flows from top to bottom along the oil smoke channel, and the flow direction of the oil smoke and the flow direction of the water are in a relative countercurrent direction, so that the average heat transfer temperature difference in the heat transfer process is large, and the heat transfer efficiency can be improved.
Preferably, the oil pan heat recovery device further comprises a hot water tank, a cold water tank and a water pump, wherein the hot water tank is arranged above the side part of the shell, the cold water tank is arranged below the side part of the shell, the cold water tank is communicated with the water inlet end of the heat exchange tube through the water pump, and the hot water tank is communicated with the water outlet end of the heat exchange tube.
The invention also provides a control method of the energy-saving and environment-friendly system for the fried instant noodle production line, which comprises the following steps:
a. the steam is sent to the steam box by the steam distributing cylinder to be uniformly sprayed and cooked, and meanwhile, the heated grease is conveyed to the oil pan by the heating kettle to be fried;
b. waste steam discharged by the steam box is pumped into the steam box heat recovery device through the first fan, the waste steam heats water in the steam box heat recovery device and generates low-pressure steam in a negative pressure state formed by the operation of a steam compressor;
hot oil fume discharged by the oil pan is pumped into the oil pan heat recovery device through a second fan, the hot oil fume heats water in the oil pan heat recovery device, and low-pressure steam is generated in a negative pressure state formed by the operation of a steam compressor;
c. low-pressure steam generated by the steam box heat recovery device and the oil pan heat recovery device is sucked by the steam compressor and is pressurized and heated, and positive-pressure steam generated by compression and heating is conveyed into the steam box steam distributing cylinder for use by the steam box 1;
d. high-temperature steam condensate water drained from the heating kettle is firstly sent to a flash tank for decompression and flash evaporation, and generated flash steam is conveyed to a steam box steam distributing cylinder for use by the steam box.
Compared with the prior art, the control method of the energy-saving and environment-friendly system of the fried instant noodle production line provided by the invention has the advantages that waste steam and oil smoke are converted into useful steam for the steam box to use in a circulating mode, the consumption of the raw steam of the production line is reduced, the pollution to the environment caused by the direct emission of the steam and the oil smoke is prevented, and the purposes of energy conservation and environment protection are achieved.
Drawings
FIG. 1 is a simple schematic of the present invention;
FIG. 2 is a front cross-sectional view of the heat recovery unit of the oil pan of the present invention;
FIG. 3 is a side sectional view of the oil pan heat recovery device of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a side view of the housing of the heat recovery unit of the oil pan of the present invention;
FIG. 6 is a schematic view of the heat exchange tubes of the oil pan heat recovery unit of the present invention;
fig. 7 is an enlarged view of the region B in fig. 6.
Description of reference numerals: the device comprises a steam box 1, an oil pan 2, a steam box heat recovery device 3, a first fan 4, an oil pan heat recovery device 5, a second fan 6, a vapor compressor 7, a steam box steam distributing cylinder 8, a heating kettle 9, an oil pump 10, a flash tank 11, a condensate recovery pool 12, a heat source 13, a front chimney 101, a rear chimney 102, an oil pan chimney 201, a shell 51, a cold water tank 52, a hot water tank 53, a heat exchange tube 54, a partition plate 55, an oil smoke channel 56, a cleaning spray nozzle 57, an oil smoke inlet 511, an oil smoke outlet 512, a straight flow tube, an arc-shaped tube 542, a heat exchange cavity 501, a heat exchange assembly 502, an air inlet cavity 503, an air outlet 504, a through hole 505, a tube plate 506, a connecting plate 507.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1 to 3, an energy-saving and environment-friendly system for a fried instant noodle production line is provided, wherein a steam box 1, an oil pan 2, a steam box cylinder 8, a heating kettle 9 and an oil pump 10 are arranged on the production line, the energy-saving and environment-friendly system comprises a steam box heat recovery device 3, a first fan 4, an oil pan heat recovery device 5, a second fan 6, a steam compressor 7, a steam box cylinder 8, a heating kettle 9 and an oil pump 10, the steam box heat recovery device 3 is communicated with the steam box 1 and is used for recovering waste steam of the steam box 1 and heating water in the steam box heat recovery device 3; the first fan 4 is arranged between the steam box heat recovery device 3 and the steam box 1 and is used for extracting waste steam of the steam box 1 into the steam box heat recovery device 3; the oil pan heat recovery device 5 is communicated with the oil pan 2 and is used for recovering oil smoke of the oil pan 2 and heating water of the oil pan heat recovery device 5; the second fan 6 is arranged between the oil pan heat recovery device 5 and the oil pan 2 and is used for pumping the oil smoke of the oil pan 2 into the oil pan heat recovery device 5; the steam inlet end of the steam compressor 7 is respectively communicated with the steam box heat recovery device 3 and the oil pan heat recovery device 5, so that water in the steam box heat recovery device 3 and the oil pan heat recovery device 5 generates low-pressure steam in a negative pressure state formed by the work of the steam compressor 7, the steam outlet end of the steam compressor 7 is communicated with the steam box 1, and the low-pressure steam is converted into positive-pressure steam through pressurization and temperature rise. In this embodiment, the waste heat of the steam box 1 is discharged through the front chimney 101 and the rear chimney 102 of the steam box 1, and the oil smoke of the oil pan 2 is discharged through the oil pan chimney 201.
The steam box steam distributing cylinder 8 is provided with a plurality of steam outlet ends, the steam inlet end of the steam box steam distributing cylinder 8 is communicated with the steam outlet end of the steam compressor 7, the steam outlet ends are communicated with the steam box 1, on one hand, the steam box steam distributing cylinder 8 is used for conveniently collecting the positive pressure steam generated by the raw steam and the steam compressor, and on the other hand, the steam is conveniently and uniformly distributed and sprayed into the steam box 1.
The feeding end of the heating kettle 9 is communicated with the oil outlet of the oil pan 2, the discharging end of the heating kettle 9 is communicated with the oil inlet of the oil pan 2, and the heating kettle 9 is used for circularly heating the grease in the oil pan 2 so as to keep the temperature of the oil pan 2.
The raw steam of the steam box steam-distributing cylinder 8 and the heating kettle 9 is provided by a heat source 13, and the heat source 13 is generally a factory boiler or a thermal power plant.
Compared with the prior art, the energy-saving and environment-friendly system for the fried instant noodle production line provided by the invention has the advantages that the steam box heat recovery device 3 is used for recovering waste steam of the steam box 1, the oil pan heat recovery device 5 is used for recovering oil fume of the oil pan 2, the waste heat below 100 ℃ is converted into low-pressure steam through the negative pressure vacuum state formed when the steam compressor 7 works, the generated low-pressure steam is converted into positive-pressure steam by the steam compressor 7 and is sent back to the steam box 1 for use, the consumption of the raw steam of the production line is reduced, the pollution to the environment caused by the direct discharge of the steam and the oil fume is prevented, and the purposes of energy saving and environment protection are achieved.
Referring to fig. 1, in a preferred embodiment, the energy-saving and environment-friendly system further includes a flash tank 11, a feed end of the flash tank 11 is communicated with the heating kettle 9, an air outlet end of the flash tank 11 is communicated with the steam box branch cylinder 8, the flash tank 11 is used for flashing high-temperature steam condensate discharged from the heating kettle 9, generated steam is sent to the steam box branch cylinder 8, the generated steam is subjected to reduced pressure flash evaporation and recovery on the high-temperature steam condensate, raw steam consumption of a production line is reduced, and meanwhile, the influence of secondary steam generated in the condensate recovery process on equipment and environment is avoided.
Referring to fig. 1, in a preferred embodiment, a condensed water recovery tank 12 is further included, which is communicated with the flash tank 11, and is used for recovering the condensed water left in the flash tank 11, so as to facilitate the recovery.
Referring to fig. 2 to 7, in a preferred embodiment, the oil pan heat recovery device 5 includes a housing 51, a cold water tank 52, a water pump (not shown) and a hot water tank 53, wherein an oil smoke inlet 511 is disposed on an upper side of the housing 51, a heat exchange chamber 501 is disposed in the housing 51, an oil smoke outlet 512 is disposed on a lower side of the housing 51, a plurality of heat exchange tubes 54 are disposed in the heat exchange chamber 501, the heat exchange tubes 54 are disposed in the heat exchange chamber 501 in a left-right serpentine manner, and the heat exchange tubes 54 are fixed by a partition 55 to form a heat exchange assembly 302, two adjacent heat exchange assemblies 502 form oil smoke channels 56, an inlet end of each oil smoke channel 56 is communicated with the oil smoke inlet 511, and an outlet end is communicated with the oil.
Specifically, the heat exchange tube 54 comprises a plurality of straight flow tubes 541 and a plurality of arc-shaped tubes 542 communicated with adjacent straight flow tubes 541, the straight flow tubes 541 and the arc-shaped tubes 542 are sequentially connected end to end, wherein the hot water tank 53 is arranged above the side of the shell 51, the cold water tank 52 is arranged below the side of the shell 51, the water inlet end of the heat exchange tube 54 penetrates out of the shell 51 to be communicated with the cold water tank 52, and the water outlet end of the heat exchange tube 54 penetrates out of the shell 51 to be communicated with the hot water tank 53; in this embodiment, the cold water tank 52 is communicated with the water inlet end of the heat exchange pipe 54 through a water pump.
The oil pan heat recovery device utilizes the partition plate 55 to connect adjacent parts of the same heat exchange tube 54 after winding to form the heat exchange assemblies 502, simultaneously, an oil smoke channel 56 is formed between two adjacent heat exchange assemblies 502, the heat exchange cavity 501 is divided into a plurality of relatively independent oil smoke channels 56, so that oil smoke enters the heat exchange cavity 501 from an oil smoke inlet 511 and then uniformly flows through each oil smoke channel 56, the partition plate 55 is arranged to play a role in expanding a heating surface, the heat exchange area is increased, the heat exchange tube 54 protruding on the partition plate 55 improves the turbulence intensity of flowing oil smoke, the oil smoke is prevented from being deposited on the heating surface, and the heat exchange efficiency is improved.
Referring to fig. 4 and 7, in a preferred embodiment, the radius of the curved position of the curved pipe 542 is R, and the diameter R of the hot water pipe, where R is in the range of 3R ≦ 4R, so that while the flow area of the heat exchange pipe 54 is ensured to be large enough to ensure the turbulent flow velocity of water, the radius of the curved position of the curved pipe 542 is as small as possible, and the structure of the heat exchange pipe 54 is more compact.
Referring to fig. 2, 4 and 7, in a preferred embodiment, in order to make the structure of the heat exchange tube 54 more compact and save installation space, the distance between two straight-flow tubes 541 on the same arc-shaped tube 542 is gradually reduced from the end close to the arc-shaped tube 542 to the end far from the arc-shaped tube 542, so that the straight-flow tube section is in an inclined state, the stroke of the whole heat exchange tube in the heat exchange cavity can be longer, and the heat exchange effect is improved, wherein the distance between two straight-flow tubes 541 on the same arc-shaped tube 542 is d, and d is greater than or equal to r, so as to prevent two adjacent arc-shaped tubes 542 from touching.
In a preferred embodiment, the partition plate 55 is a trapezoidal metal thin plate, and two adjacent straight tubes 541 are hermetically connected through the partition plate 55 to form the heat exchange assembly 502; specifically, the partition plate 55 is vertically welded between the topmost end of the lower straight flow tube 541 and the bottommost end of the upper straight flow tube 541, and ensures smooth welding seams, so that the sealing performance of the heat exchange assembly 502 is ensured, the turbulent flow speed of the oil smoke can be improved by using a metal sheet, and the straight flow tube 541 and the arc-shaped tube 542 are of an integral structure, so that the structural strength of the heat exchange tube 54 is ensured; in practical production, to control the radius of the bending position of the arc pipe 542, it is necessary to ensure that the heat exchange pipe 54 does not deform during the bending process, so that the pipe is generally filled with sand during the bending process to ensure that the pipe does not flatten during the deformation process.
Referring to fig. 2 and 3, in a preferred embodiment, an air inlet cavity 503 and an air outlet cavity 504 are further disposed in the housing 51, the air inlet cavity 503 is disposed between the oil fume inlet 511 and the heat exchange cavity 501, the air outlet cavity 504 is disposed between the oil fume outlet 512 and the heat exchange cavity 501, so as to facilitate the collection and entry of oil fume and the collection and discharge of condensed oil fume, a plurality of cleaning nozzles 37 are disposed in the air inlet cavity 503, and the cleaning nozzles 37 are externally connected with a hot water source or a steam device to clean the heat exchange surfaces, so as to keep the heat exchange surfaces clean, thereby ensuring the heat transfer effect of the heat exchange surfaces.
Referring to fig. 2 and 3, in a preferred embodiment, the air inlet cavity 503 is frustum-shaped, and the cross-sectional width thereof gradually increases from the oil smoke inlet 511 to the air inlet end of the heat exchange cavity 501, so as to increase the flow rate of the oil smoke entering the heat exchange cavity 501; the air outlet cavity 504 is in a frustum shape, and the cross-sectional width of the air outlet cavity gradually decreases from the air outlet end of the heat exchange cavity 501 to the oil smoke outlet 512, so as to improve the discharge rate of the condensed oil smoke.
Referring to fig. 2, in a preferred embodiment, the water outlet end of the heat exchange tube 54 is located on the upper side of the heat exchange cavity 501, the water inlet end of the heat exchange tube 54 is located on the lower side of the heat exchange cavity 501, water flows along the heat exchange tube from bottom to top, oil smoke flows along the oil smoke channel from top to bottom, oil smoke flows along the oil smoke channel 56 from top to bottom, and the flow directions of the oil smoke and the water are in a relatively countercurrent direction, so that the average heat transfer temperature difference in the heat transfer process is large, and the heat transfer efficiency can be improved.
Referring to fig. 5, in a preferred embodiment, the side of the housing 51 has a plurality of through holes 305 corresponding to the water inlet and outlet ends of the heat exchange tube 54, the water inlet end of the heat exchange tube 54 is communicated with the cold water tank 52 through the corresponding through hole 305, the side of the water inlet end of the heat exchange tube 54 is welded and sealed with the corresponding through hole 505, the water outlet end of the heat exchange tube 54 is communicated with the hot water tank 53 through the corresponding through hole 505, and the side of the water outlet end of the heat exchange tube 54 is welded and sealed with the corresponding through hole 505. In this embodiment, the side of the shell 51 corresponding to the heat exchange tube 54 includes an upper tube plate 506, a connecting plate 507 and a lower tube plate 508 welded to each other, a through hole 505 corresponding to the water outlet end of the heat exchange tube 54 is provided on the upper tube plate 506, and a through hole 505 corresponding to the water inlet end of the heat exchange tube 54 is provided on the lower tube plate 508.
Please refer to the application No. for the structure and principle of the steam box heat recovery device 3 provided by the present invention: chinese patent document cn201510424496.x discloses a waste steam heat energy recovery device.
The working principle of the present invention is explained below with reference to fig. 1 to 7:
firstly, a heat source 13 respectively provides steam to a steam box steam distributing cylinder 8 and a heating kettle 9, the steam box steam distributing cylinder 8 sends the steam to a steam box 1 for spraying and cooking noodles, and the heating kettle 9 simultaneously sends heated grease to an oil pan 2 for frying the noodles; then, the waste steam discharged from the front chimney 101 of the steam box 1 and the rear chimney 102 of the steam box 1 is pumped into the steam box heat recovery device 3 by the first fan 4, the waste steam heats the water in the steam box heat recovery device 3, and low-pressure steam is generated in a negative pressure state formed by the operation of the steam compressor 7. Similarly, the hot oil fume discharged from the oil pan chimney 201 is pumped into the oil pan heat recovery device 5 by the second fan 6, the hot oil fume heats the water in the oil pan heat recovery device 5, and the low-pressure steam is generated in the negative pressure state formed by the operation of the steam compressor 7. The low-pressure steam generated by the steam box heat recovery device 3 and the oil pan heat recovery device 5 is sucked by the steam compressor 7, pressurized and heated, and the positive-pressure steam generated by compression and heating is conveyed to the steam box steam distributing cylinder 8 for use by the steam box 1. In addition, the high-temperature steam condensate drained from the heating kettle 9 is firstly sent to a flash tank 11 for decompression and flash evaporation, the generated flash steam is sent to a steam tank steam distributing cylinder 8 for use by the steam tank 1, and the steam condensate left in the flash tank 11 is discharged into a condensate water recovery tank 12 for recovery.
Referring to fig. 1, the present invention further provides a control method of an energy saving and environmental protection system using the fried instant noodle production line, which comprises the following steps:
a. a heat source 13 respectively provides steam to a steam box steam distributing cylinder 8 and a heating kettle 9, the steam box steam distributing cylinder 8 sends the steam to a steam box 1 for spraying and cooking noodles, and the heating kettle 9 sends heated grease to an oil pan 2 for frying the noodles;
b, pumping waste steam discharged by a front chimney 101 of the steam box 1 and a rear chimney 102 of the steam box 1 into the steam box heat recovery device 3 through a first fan 4, heating water in the steam box heat recovery device 3 by the waste steam, and generating low-pressure steam in a negative pressure state formed by the operation of a steam compressor 7;
hot oil fume discharged from the oil pan chimney 201 is pumped into the oil pan heat recovery device 5 through the second fan 6, the hot oil fume heats water in the oil pan heat recovery device 5, and low-pressure steam is generated in a negative pressure state formed by the operation of the steam compressor 7;
c. low-pressure steam generated by the steam box heat recovery device 3 and the oil pan heat recovery device 5 is sucked by the steam compressor 7 and is pressurized and heated, and positive-pressure steam generated by compression and heating is conveyed into the steam box steam distributing cylinder 8 for use by the steam box 1;
d. the high-temperature steam condensate drained from the heating kettle 9 is firstly sent to a flash tank 11 for decompression and flash evaporation, and the generated flash steam is conveyed to a steam tank steam distributing cylinder 8 for use by the steam tank 1.
In a preferred embodiment, the steam condensate remaining in the flash tank 11 is discharged to the condensate recovery tank 12 for recovery.
Compared with the prior art, the control method of the energy-saving and environment-friendly system of the fried instant noodle production line provided by the invention has the advantages that waste steam and oil smoke are converted into useful steam for the steam box to use in a circulating mode, the consumption of the raw steam of the production line is reduced, the pollution to the environment caused by the direct emission of the steam and the oil smoke is prevented, and the purposes of energy conservation and environment protection are achieved.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a fried instant noodle production line energy-concerving and environment-protective system, wherein, fried instant noodle production line is equipped with steam ager, oil pan and steam ager steam distributing cylinder, its characterized in that, this energy-concerving and environment-protective system includes:
the steam box heat recovery device is communicated with the steam box and used for recovering steam box waste steam and heating water in the steam box heat recovery device;
the first fan is arranged between the steam box heat recovery device and the steam box and used for extracting the steam box waste steam into the steam box heat recovery device;
the oil pan heat recovery device is communicated with the oil pan and used for recovering oil fume of the oil pan and heating water of the oil pan heat recovery device;
the second fan is arranged between the oil pan heat recovery device and the oil pan and used for pumping the oil fume of the oil pan into the oil pan heat recovery device;
the steam inlet end of the steam compressor is respectively communicated with the steam box heat recovery device and the oil pan heat recovery device, the steam outlet end of the steam compressor is communicated with the steam box through a steam box steam distributing cylinder, and the steam compressor can pressurize and heat up recovered waste heat steam and then convey the waste heat steam into the steam box steam distributing cylinder.
2. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 1, characterized in that: the fried instant noodle production line is further provided with a heating kettle and an oil pump, the feeding end of the heating kettle is communicated with the oil outlet of the oil pot, the discharging end of the heating kettle is communicated with the oil inlet of the oil pot, the heating kettle is used for circularly heating oil in the oil pot, the energy-saving and environment-friendly system further comprises a flash tank, the feeding end of the flash tank is communicated with the heating kettle, the air outlet end of the flash tank is communicated with a steam box steam distributing cylinder, the flash tank is used for carrying out flash evaporation on high-temperature steam condensate discharged by the heating kettle, and generated steam is delivered into the steam box steam distributing cylinder.
3. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 2, characterized in that: the system also comprises a condensed water recovery tank which is communicated with the flash tank and used for recovering the condensed water left in the flash tank.
4. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 1, characterized in that: the oil pan heat recovery device comprises a shell and a plurality of heat exchange tubes, wherein an oil smoke inlet is formed in the upper side of the shell, a heat exchange cavity is formed in the shell, an oil smoke outlet is formed in the lower side of the shell, the heat exchange tubes are arranged in the heat exchange cavity in a left-right winding mode and are fixed through partition plates, the shape of each heat exchange tube enables the heat exchange tubes to form a heat exchange assembly, an oil smoke channel is formed between every two adjacent heat exchange assemblies, the inlet end and the oil smoke inlet of each oil smoke channel are communicated, and the outlet end and.
5. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 4, characterized in that: the heat exchange tube comprises a plurality of straight-flow tubes and a plurality of arc-shaped tubes communicated with the adjacent straight-flow tubes, the straight-flow tubes are sequentially connected end to end with the arc-shaped tubes, the distance between two sections of straight-flow tubes on the same arc-shaped tube is gradually reduced along one end, close to one end of the arc-shaped tube, far away from one end of the arc-shaped tube, and every two adjacent straight-flow tubes are hermetically connected through the partition plates to form the heat exchange assembly.
6. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 5, characterized in that: the pipe diameters of the straight-flow pipes and the arc-shaped pipes are R, the arc radiuses of the arc-shaped pipes are R, wherein R is larger than or equal to 3R, and the distance between two straight-flow pipes on the same arc-shaped pipe is d, wherein d is larger than or equal to R; the radius of the bending position of the arc-shaped pipe is more than or equal to 3R and less than or equal to 4R.
7. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 4, characterized in that: the shell is also internally provided with an air inlet cavity and an air outlet cavity, the air inlet cavity is arranged between the oil smoke inlet and the heat exchange cavity, the air outlet cavity is arranged between the oil smoke outlet and the heat exchange cavity, the air inlet cavity is internally provided with a plurality of cleaning nozzles, and the cleaning nozzles are externally connected with a hot water source or a steam device.
8. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 5, characterized in that: the water outlet end of the heat exchange tube is positioned on the upper side of the heat exchange cavity, the water inlet end of the heat exchange tube is positioned on the lower side of the heat exchange cavity, water flows from bottom to top along the heat exchange tube, and oil smoke flows from top to bottom along the oil smoke channel.
9. The energy-saving and environment-friendly system for a fried instant noodle production line according to claim 8, characterized in that: the oil pan heat recovery device further comprises a hot water tank, a cold water tank and a water pump, wherein the hot water tank is arranged above the side part of the shell, the cold water tank is arranged below the side part of the shell, the cold water tank is communicated with the water inlet end of the heat exchange tube through the water pump, and the hot water tank is communicated with the water outlet end of the heat exchange tube.
10. A control method of the energy-saving and environment-friendly system of the fried instant noodle production line in the claim 3 is characterized by comprising the following steps:
a. the steam is sent to the steam box by the steam distributing cylinder to be uniformly sprayed and cooked, and meanwhile, the heated grease is conveyed to the oil pan by the heating kettle to be fried;
b. waste steam discharged by the steam box is pumped into the steam box heat recovery device through the first fan, the waste steam heats water in the steam box heat recovery device and generates low-pressure steam in a negative pressure state formed by the operation of a steam compressor;
hot oil fume discharged by the oil pan is pumped into the oil pan heat recovery device through a second fan, the hot oil fume heats water in the oil pan heat recovery device, and low-pressure steam is generated in a negative pressure state formed by the operation of a steam compressor;
c. low-pressure steam generated by the steam box heat recovery device and the oil pan heat recovery device is sucked by the steam compressor and is pressurized and heated, and positive-pressure steam generated by compression and heating is conveyed into the steam box steam distributing cylinder for use by the steam box 1;
d. high-temperature steam condensate water drained from the heating kettle is firstly sent to a flash tank for decompression and flash evaporation, and generated flash steam is conveyed to a steam box steam distributing cylinder for use by the steam box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472877.6A CN111493286A (en) | 2020-05-29 | 2020-05-29 | Energy-saving and environment-friendly system for fried instant noodle production line and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010472877.6A CN111493286A (en) | 2020-05-29 | 2020-05-29 | Energy-saving and environment-friendly system for fried instant noodle production line and control method |
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| CN111493286A true CN111493286A (en) | 2020-08-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204245065U (en) * | 2014-11-26 | 2015-04-08 | 钦州市锦丰实业华南有限公司 | The vapour system that instant noodles are produced |
| CN104964261A (en) * | 2015-07-16 | 2015-10-07 | 佛山市丰川节能科技有限公司 | Exhaust steam thermal energy recycling device |
| CN208048603U (en) * | 2017-06-27 | 2018-11-06 | 顶益（开曼岛）控股有限公司 | A kind of instant noodles decoction system |
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2020
- 2020-05-29 CN CN202010472877.6A patent/CN111493286A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204245065U (en) * | 2014-11-26 | 2015-04-08 | 钦州市锦丰实业华南有限公司 | The vapour system that instant noodles are produced |
| CN104964261A (en) * | 2015-07-16 | 2015-10-07 | 佛山市丰川节能科技有限公司 | Exhaust steam thermal energy recycling device |
| CN208048603U (en) * | 2017-06-27 | 2018-11-06 | 顶益（开曼岛）控股有限公司 | A kind of instant noodles decoction system |
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