CN104983036A - Variable-pressure cooling far-infrared dehydration and bacteria reduction device and method - Google Patents

Variable-pressure cooling far-infrared dehydration and bacteria reduction device and method Download PDF

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Publication number
CN104983036A
CN104983036A CN201510364982.7A CN201510364982A CN104983036A CN 104983036 A CN104983036 A CN 104983036A CN 201510364982 A CN201510364982 A CN 201510364982A CN 104983036 A CN104983036 A CN 104983036A
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transformation process
process tank
far
tank
food
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CN104983036B (en
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张泓
刘倩楠
黄峰
张春江
胡宏海
张雪
黄艳杰
陈文波
毕红霞
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Institute of Food Science and Technology of CAAS
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Institute of Food Science and Technology of CAAS
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/40Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by drying or kilning; Subsequent reconstitution

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  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Meat, Egg Or Seafood Products (AREA)

Abstract

The invention discloses a variable-pressure cooling far-infrared dehydration and bacteria reduction device and method. The device comprises a variable-pressure processing tank, a plurality of far-infrared heaters, a vacuum pump and a nitrogen storage tank, wherein the variable-pressure processing tank is horizontally arranged and is an adiabatic sealed tank body; a first air-tight door and a second air-tight door are respectively arranged at the front end and the rear end of the variable-pressure processing tank; the far-infrared heaters are fixedly arranged in the variable-pressure processing tank; the vacuum pump is communicated with the variable-pressure processing tank; the nitrogen storage tank is communicated with the variable-pressure processing tank. The invention further discloses variable-pressure cooling far-infrared dehydration and bacteria reduction method. The method comprises the step of putting food into the variable-pressure processing tank and other following steps: (1) reducing the internal pressure of the variable-pressure processing tank; (2) restoring the internal pressure, spraying edible alcohol onto the food, improving the internal pressure of the variable-pressure processing tank to (1.5-1.9)*10<5> Pa, and maintaining the high-pressure state; (3) reducing the internal pressure of the variable-pressure processing tank again; (4) maintaining the internal pressure of the variable-pressure processing tank at 666.61-1333.22 Pa for 0.5-30 minutes and heating the food at the same time.

Description

Transformation cooling far-infrared ear thermometer and bacteria reducing equipment and method
Technical field
The present invention relates to technical field of food machinery, more particularly, the present invention be more particularly directed to a kind of transformation cooling far-infrared ear thermometer and bacteria reducing equipment, relate to a kind of transformation cooling far-infrared ear thermometer and bacteria reducing method simultaneously.
Background technology
At present, the process of food material half dryed product has four kinds of methods usually: one, Exposure to Sunlight or cold air drying, cycle is longer, also be faced with by problems such as microbial infection, the taste change brought by oxidation and dust pollutions, total number of bacteria is also more, and the product shelf phase is shorter.But this drying mode is very large by the restriction of weather, cannot implement not having the place of the fine day continued.And when weather changes, also article must be transferred to rapidly indoor, and the product not reaching drying condition is more difficult to preserve.Its two, heated-air drying reaches the object of dewaterer bacteria reducing, but the change of the too high easy generation color and luster of food material Yin Wendu and local flavor; Its three, centrifugal dehydration, dehydration is not thoroughly or beat because of machinery, the outward appearance of damage food material and institutional framework; Its three, freeze drying, the state that freezes damage food material institutional framework, consume energy higher simultaneously; Do not reach the object to material bacteria reducing.Therefore, under the low temperature and inactive state of non-freezing, utilize pressure regulate and coordinate other bacteria reducing methods, the object reaching appropriateness dehydration and bacteria reducing is very important.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above and/or defect, and the advantage of at least following explanation is provided.
A further object of the invention is to provide a kind of transformation cooling far-infrared ear thermometer and bacteria reducing equipment, this device is provided with the devices such as transformation process tank, far-infrared heater, can under the low temperature of non-freezing and inactive state, utilize pressure to regulate and coordinate alcohol bacteria reducing method, reaching the object of appropriateness dehydration and bacteria reducing.Freshness and the form of fresh material can be kept by the raw material of this equipment processing, when sanitary condition is good, the processing time can be shortened.
The present invention has an object to be to provide a kind of transformation cooling far-infrared ear thermometer and bacteria reducing method again, it can carry out bacteria reducing and dehydration to food under transformation state, thus food can be dewatered in controlled conditions, extend the date saved of food, also maintain the local flavor of food simultaneously, safe and reliable.
For this reason, technical scheme provided by the invention is:
A kind of transformation cooling far-infrared ear thermometer and bacteria reducing equipment, comprising:
One transformation process tank, it is horizontally disposed with, and the rear and front end place of described transformation process tank is respectively arranged with the first sealed door and the second sealed door, and described transformation process tank is an adiabatic sealed shell of tank;
Multiple far-infrared heater, it is installed in described transformation process tank, and the wave-length coverage of described far infra-red heater is 3 μm of-1mm;
Vavuum pump, it is communicated with described transformation process tank by the first gas piping;
Nitrogen storage device, it is communicated with described transformation process tank by the second gas piping.
Preferably, described transformation cooling far-infrared ear thermometer and bacteria reducing equipment, also comprise:
Sprayer unit, it comprises the alcohol basin, atomizing pump and the multiple nozzle that connect successively, and described nozzle is arranged on above described transformation process tank inwall;
Nitrogen making machine, it is communicated with described nitrogen storage device, for passing into nitrogen in described nitrogen storage device; And,
Gas tank, it is communicated with described transformation process tank by the 3rd gas pipeline, and described gas tank is connected with described controller;
One controller, it is connected with described transformation process tank, described vavuum pump, described nitrogen storage device, described gas tank, described nitrogen making machine and described sprayer unit;
Preferably, described transformation cooling far-infrared ear thermometer and bacteria reducing equipment, also comprise:
Conveyer, it is horizontally set in described transformation process tank, and is positioned at the bottom of described transformation process tank;
Stainless steel tray rack, it is arranged in described transformation process tank, and under the transmission of described conveyer, is moved to the direction of the second sealed door by the first sealed door of described transformation process tank; And,
Stainless (steel) wire dish, it is for holding food, and described stainless (steel) wire dish is placed on stainless steel tray rack;
Wherein, described far-infrared heater is installed on described stainless steel tray rack, and is positioned at the centre of two adjacent described stainless (steel) wire dishes, near top stainless (steel) wire Pan Chu, for giving food additional heat in real time.
Preferably, described transformation cools in far-infrared ear thermometer and bacteria reducing equipment, and described far-infrared heater is Far-infrared Heating rod.
Preferably, described transformation cools in far-infrared ear thermometer and bacteria reducing equipment, described conveyer comprises motor, conveyer belt, active transmission shaft and driven transmission shaft, described active transmission shaft is connected with described motor, and described active transmission shaft and described driven transmission shaft are set in the two ends of described conveyer belt respectively.
Preferably, described transformation cools in far-infrared ear thermometer and bacteria reducing equipment, and described stainless steel tray rack comprises the multilayer support body vertically arranged.
Preferably, described transformation cooling far-infrared ear thermometer and bacteria reducing equipment, also comprise:
Tank support, it is horizontally set on described transformation process tank bottom, for the described transformation process tank of support;
Temperature-detecting device, it is arranged in described transformation process tank, and described temperature-detecting device is connected with described controller.Accurately to control the water content of dewatering time and product.
Preferably, described transformation cools in far-infrared ear thermometer and bacteria reducing equipment, and described first sealed door offers observation port.
A kind of transformation cooling far-infrared ear thermometer and bacteria reducing method, comprise: food is put into horizontally disposed transformation process tank, the rear and front end place of described transformation process tank is respectively arranged with the first sealed door and the second sealed door, described transformation process tank is an adiabatic sealed shell of tank, processes in accordance with the following steps:
Air in step one, suction transformation process tank, was decompressed to below 13332.2Pa in 3 minutes;
Step 2, in transformation process tank, pass into nitrogen, pressure is restored, backward food spray volume fraction be 75% diameter be the edible alcohol mist particles of 10-15 μm, spray in the process of alcohol and in transformation process tank, pass into nitrogen thereupon, add nitrogen both anti-oxidation, ensure again the anaerobic security context under edible alcohol exists, in 0.5 ~ 12 minute, make pressure in transformation process tank rise to 1.5-1.9 × 10 5pa, maintains this high pressure conditions 0.5 ~ 12 minute; Under this pressure condition, vaporific edible alcohol particle not only drops on the surface of food material, and penetrates into its inside to a certain extent, reaches the object of bacteria reducing.
Step 3, extract nitrogen in transformation process tank out again, in 10 minutes, make pressure drop to below 666.61-1333.22Pa, maintain this state; And,
Step 4, make pressure in transformation process tank remain on below 666.61-1333.22Pa scope close to vacuum state, maintain 0.5 ~ 30 minute and utilize far-infrared heater heated food simultaneously.Vaporific edible alcohol is rapidly evaporated because boiling point is low.Automatic startup far infra-red heater, food material temperature is made to maintain necessary level (do not freeze state), maintain 0.5 ~ 30 minute, the moisture that during cleaning of removing food material, surface retains, also can remove inner part Free water if desired as required.Because material remains static in this dehydration, when sloughing moisture, do not damage outward appearance and the form of food material.
Preferably, in described transformation cooling infrared ray dehydration and bacteria reducing method, described food is any one in vegetables, staple food and meat products, and described vegetables comprise potato, described staple food comprises Flour product and rice made products, and described meat products comprises pork, the flesh of fish and beef.
The present invention at least comprises following beneficial effect:
Freshness and the form of fresh material can be kept by the raw material of this equipment processing, when sanitary condition is good, the processing time can be shortened.
The present invention dewaters to food by utilizing the method for transformation cooling far-infrared ear thermometer and bacteria reducing, also carries out bacteria reducing simultaneously, makes the extended shelf-life of food.And this method is in dehydration, and the temperature of food maintains reduced levels, its taste and color change less, can keep the local flavor of food.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Accompanying drawing explanation
Fig. 1 is the vertical section structural representation of transformation of the present invention cooling far-infrared ear thermometer and bacteria reducing device;
Fig. 2 is the Structure of cross section schematic diagram of transformation of the present invention cooling far-infrared ear thermometer and bacteria reducing device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to description word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
As depicted in figs. 1 and 2, the invention provides a kind of transformation cooling far-infrared ear thermometer and bacteria reducing equipment, comprising:
One transformation process tank 1, it is horizontally disposed with, and the rear and front end place of described transformation process tank 1 is respectively arranged with the first sealed door 100 and the second sealed door 110, and described transformation process tank 1 is an adiabatic sealed shell of tank;
Multiple far-infrared heater 2, it is installed in described transformation process tank 1, and the wave-length coverage of described far infra-red heater is 3 μm of-1mm;
Vavuum pump, it is communicated with described transformation process tank 1 by the first gas piping;
Nitrogen storage device, it is communicated with described transformation process tank 1 by the second gas piping.
The transformation process tank 1 of this device is adiabatic sealed shell of tank, utilize vavuum pump to transformation process tank 1 withdrawing air, by nitrogen storage device to nitrogen injection in transformation process tank 1, by the mode of decompression, the moisture in food is evaporated, but the reduction due to pressure can make the temperature of food reduce, therefore the mode by heating by means of far-infrared heater 2 maintains the temperature of food, changes to prevent the too low quality of food Yin Wendu.Freshness and the form of fresh material can be kept by the raw material of this equipment processing, when sanitary condition is good, the processing time can be shortened.This device is simple to operate, makes the extended shelf-life of food.And this device is in dehydration, and the temperature of food maintains reduced levels, its taste and color change less, can keep the local flavor of food.
As preferably, in order to give food bacteria reducing and make pressure restore, also comprise:
Sprayer unit, it comprises the alcohol basin, atomizing pump and the multiple nozzle 3 that connect successively, and described nozzle 3 is arranged on above described transformation process tank 1 inwall;
Nitrogen tank processed, it is communicated with described nitrogen storage device, for passing into nitrogen in described nitrogen storage device; And,
Gas tank, it is communicated with described transformation process tank by the 3rd gas pipeline, and described gas tank is connected with described controller.
One controller, it is connected with described transformation process tank 1, described vavuum pump, described nitrogen storage device, described gas tank, described nitrogen making machine and described sprayer unit.
As preferably, in order to transmit food, also comprise:
Conveyer, it is horizontally set in described transformation process tank 1, and is positioned at the bottom of described transformation process tank 1;
Stainless steel tray rack 4, it is arranged in described transformation process tank 1, and under the transmission of described conveyer, is moved to the direction of the second sealed door 120 by the first sealed door 110 of described transformation process tank 1; And,
Stainless (steel) wire dish 5, it is for holding food, and described stainless (steel) wire dish 5 is placed on stainless steel tray rack 4.
Wherein, described far-infrared heater is installed on described stainless steel tray rack, and is positioned at the centre of two adjacent described stainless (steel) wire dishes, near top stainless (steel) wire Pan Chu, for giving food additional heat in real time.
Multiple far-infrared heater, described far-infrared heater 2 is Far-infrared Heating rod, is installed on above-mentioned stainless steel tray rack 4, is positioned at neighbouring two stainless (steel) wire dish 5 gap locations, near upside stainless (steel) wire dish.
As preferably, described far-infrared heater 2 is Far-infrared Heating rod.
As preferably, described conveyer comprises motor, conveyer belt 6, active transmission shaft and driven transmission shaft, and described active transmission shaft is connected with described motor, and described active transmission shaft and described driven transmission shaft are set in the two ends of described conveyer belt 6 respectively.Active transmission shaft and driven transmission shaft are separately positioned on two conveyor-belt apparatus supports 610, and two conveyor-belt apparatus supports 610 are all fixed on the bottom of transformation process tank 1 inwall.
As preferably, comprise described stainless steel tray rack 4 and comprise the multilayer support body vertically arranged.
As preferably, also comprise:
Tank support 130, it is horizontally set on described transformation process tank 1 bottom, for the described transformation process tank 1 of support;
Temperature-detecting device, it is arranged in described transformation process tank, and described temperature-detecting device is connected with described controller.
As preferably, in order to real-time monitored is to the situation in transformation process tank, described first sealed door 110 offers observation port 111.
The present invention also provides a kind of transformation to cool far-infrared ear thermometer and bacteria reducing method, comprise: food is put into stainless (steel) wire dish, stainless (steel) wire dish is put on stainless steel tray rack, tray rack pushes in horizontally disposed transformation process tank 1, the rear and front end place of described transformation process tank 1 is respectively arranged with the first sealed door 110 and the second sealed door 120, described transformation process tank 1 is an adiabatic sealed shell of tank, processes in accordance with the following steps:
Air in step one, suction transformation process tank 1, was decompressed to 13332.2P in 3 minutes abelow; In this step, for removing the moisture of air and food surface.Withdrawing air in 3 minutes, neither affects food appearance, turn improves operating efficiency.
Step 2, in transformation process tank, pass into nitrogen, pressure is restored, backward food spray volume fraction be 75% diameter be the edible alcohol mist particles of 10-15 μm, spray in the process of alcohol and in transformation process tank, pass into nitrogen thereupon, in 0.5 ~ 12 minute, pressure in transformation process tank 1 is made to rise to 1.5-1.9 × 10 5pa, maintains this high pressure conditions 0.5 ~ 12 minute; Make alcohol enter food product from food surface, reach the effect of bacteria reducing.
Step 3, extract nitrogen in transformation process tank 1 out again, in 10 minutes, make pressure drop to below 666.61-1333.22Pa, maintain this state; And,
Step 4, making under pressure remains on the decompression state of below 666.61-1333.22Pa scope in transformation process tank 1, maintaining 0.5 ~ 30 minute and utilizing far-infrared heater heated food simultaneously; Supplement suitable heat by far infra-red heater to food, maintain 0.5 ~ 30 minute.The wave-length coverage of far infra-red heater is 3 μm of-1mm.By the mode of decompression, the moisture in food is evaporated, but the temperature of food can be made to reduce due to the reduction of pressure, therefore by maintaining the temperature of food by means of the mode of FAR INFRARED HEATING, change its quality to prevent FF material from freezing.
As preferably, described food is any one in vegetables, staple food and meat products, and described vegetables comprise potato, and described staple food comprises Flour product and rice made products, and described meat products comprises pork, the flesh of fish and beef.
The present invention dewaters to food by utilizing the method for transformation cooling far-infrared ear thermometer and bacteria reducing, also carries out bacteria reducing simultaneously, makes the extended shelf-life of food.And this method is in dehydration, and the temperature of food maintains reduced levels, its taste and color change less, can keep the local flavor of food.
As preferably, the method also comprises:
One vavuum pump is provided, by the first gas piping, vavuum pump is communicated with described transformation process tank 1, for the gas extracted out in described transformation process tank 1;
One nitrogen storage device is provided, by the second gas piping, described nitrogen storage device is communicated with described transformation process tank 1, for nitrogen injection in described transformation process tank 1;
There is provided a sprayer unit, it comprises the alcohol basin, atomizing pump and the multiple nozzle 3 that connect successively, wherein, is arranged on by described nozzle 3 above described transformation process tank 1 inwall, for spraying described edible alcohol mist particles to food;
There is provided a nitrogen making machine, be communicated with by described nitrogen making machine with described nitrogen storage device, this nitrogen making machine is used for being separated from air by nitrogen, for passing into nitrogen in described nitrogen storage device;
There is provided multiple far-infrared heater 2, it is installed on described tray rack, for heated food; And,
One controller is provided, described transformation process tank 1, described vavuum pump, described nitrogen storage device, described nitrogen making machine are connected with described controller by various sensor device with described sprayer unit.
As preferably, the method also comprises: provide a gas tank, is communicated with by described gas tank by the 3rd gas pipeline with described transformation process tank 1.The gases such as carbon dioxide, for depositing the gases such as carbon dioxide, can be passed in transformation process tank 1 by the 3rd gas pipeline, carry out bacteria reducing process to food by this gas tank 1 as required.
As preferably, the method also comprises:
One conveyer is provided, described conveyer is horizontally set in described transformation process tank 1, and be located at the bottom of described transformation process tank 1;
There is provided stainless steel tray rack 4, be arranged on by stainless steel tray rack 4 in described transformation process tank 1, described stainless steel tray rack 4, under the transmission of described conveyer, is moved to the direction of the second sealed door 120 by the first sealed door 110 of described transformation process tank 1; And,
Stainless (steel) wire dish 5, is placed on stainless (steel) wire dish 5 on stainless steel tray rack 4, for holding food.
As preferably, in order to be fixed on stainless steel tray rack by infrared heater 2, be positioned at the gap location of adjacent two stainless (steel) wire dishes.
As preferably, described far-infrared heater 2 is Far-infrared Heating rod, and described Far-infrared Heating rod is arranged on described stainless steel pallet in the horizontal direction.
As preferably, described conveyer comprises motor, conveyer belt 6, active transmission shaft and driven transmission shaft, and described active transmission shaft is connected with described motor, and described active transmission shaft and described driven transmission shaft are set in the two ends of described conveyer belt 6 respectively.Active transmission shaft and driven transmission shaft are separately positioned on two conveyor-belt apparatus supports 610, and two conveyor-belt apparatus supports 610 are all fixed on the bottom of transformation process tank 1 inwall.
As preferably, in order to situation in real-time monitored to transformation process tank 1, described first sealed door 110 offers observation port 111.
As preferably, in order to increase the quantity of process food, described stainless steel tray rack 4 comprises the multilayer support body vertically arranged.
As preferably, also comprise:
Tank support 130, it is horizontally set on described transformation process tank 1 bottom, for the described transformation process tank 1 of support.
Embodiment 1
As depicted in figs. 1 and 2, raw material pork is by after preliminary working, be placed on stainless (steel) wire dish 5, stainless (steel) wire dish 5 is put on stainless steel tray rack 4, stainless (steel) wire dish 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, then within 3 minutes, utilize vavuum pump that the pressure in transformation process tank 1 is reduced to 13000Pa, for removing the moisture on air and raw material pork surface, then nitrogen injection, after 2 minutes, pressure restores, simultaneously, nozzle 3 sprays the vaporific food grain alcohol of the 10-15 μ size of 75% to raw material pork, constantly nitrogen injection increases the pressure in tank body thereupon, when pressure reaches 1.5 × 10 5after Pa, maintain this pressure 2 minutes, make alcohol enter raw material pork from raw meat surface inner, reach the effect of bacteria reducing.Make the pressure drop in transformation process tank 1 subsequently with vavuum pump extraction nitrogen, within 10 minutes, make pressure drop to 1300Pa, need to maintain low pressure a period of time, until the moisture in pork reaches the degree of needs.By the mode of decompression, the moisture in raw meat is evaporated, but the temperature of material can be made to reduce, therefore by maintaining the temperature of raw material pork by means of the mode of FAR INFRARED HEATING due to the reduction of pressure.
Embodiment 2
As depicted in figs. 1 and 2, the flesh of fish is by after preliminary working, be placed on stainless (steel) wire dish 5, stainless (steel) wire dish 5 is put on stainless steel tray rack 4, stainless (steel) wire 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, then within 3 minutes, utilize vavuum pump that the pressure in transformation process tank 1 is reduced to 10000Pa, for removing the moisture on air and flesh of fish surface, then nitrogen injection, after 3 minutes, pressure restores, simultaneously, nozzle 3 is to the vaporific food grain alcohol of the 10-15 μ size of flesh of fish injection 75%, constantly nitrogen injection increases the pressure in tank body thereupon, when pressure reaches 1.6 × 10 5after Pa, maintain this pressure 2 minutes, make alcohol enter raw meat inside from flesh of fish surface, reach the effect of bacteria reducing.Make the pressure drop in transformation process tank 1 subsequently with vavuum pump extraction nitrogen, within 10 minutes, make pressure drop to 1000Pa, need to maintain low pressure a period of time.Moisture evaporation in making to oppress by the mode of decompression, but the temperature of material can be made to reduce, therefore by maintaining the temperature of the flesh of fish by means of the mode of FAR INFRARED HEATING due to the reduction of pressure.
Embodiment 3
As depicted in figs. 1 and 2, raw material beef is by after preliminary working, be placed on stainless (steel) wire dish 5, stainless (steel) wire dish 5 is put on stainless steel tray rack 4, stainless (steel) wire dish 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, then within 3 minutes, utilize vavuum pump that the pressure in transformation process tank 1 is reduced to 9000Pa, for removing the moisture on air and raw material beef surface, then nitrogen injection, after 3 minutes, pressure restores, simultaneously, nozzle 3 sprays the vaporific food grain alcohol of the 10-15 μm of size of 75% to raw material beef, constantly nitrogen injection increases the pressure in tank body thereupon, when pressure reaches 1.9 × 10 5after Pa, maintain this pressure 2 minutes, make alcohol enter raw material beef from raw material beef surface inner, reach the effect of bacteria reducing.Make the pressure drop in transformation process tank 1 subsequently with vavuum pump extraction nitrogen, within 10 minutes, make pressure drop to 1000Pa, need to maintain low pressure a period of time.By the mode of decompression, the moisture in raw material beef is evaporated, but the temperature of material can be made to reduce, therefore by maintaining the temperature of raw material beef by means of the mode of FAR INFRARED HEATING due to the reduction of pressure.
This device passes into nitrogen and pressurizes in the transformation process tank 1 of decompression, sprays vaporific alcohol simultaneously, carry out bacteria reducing to food in food, oxygen in transformation process tank 1 is substituted for owing to passing into nitrogen, so alcohol spontaneous combustion can not occur in pressurization space, can use safely.Then, under a reduced pressure to heating of food, prevent food because low temperature quality changes, make the extended shelf-life of food, also keep the local flavor of food.
Embodiment 4
As depicted in figs. 1 and 2, raw material pork is by after preliminary working, be placed on stainless (steel) wire dish 5, stainless (steel) wire dish 5 is put on stainless steel tray rack 4, stainless (steel) wire 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, then within 3 minutes, utilize vavuum pump that the pressure in transformation process tank 1 is reduced to 13000Pa, for removing the moisture on air and raw material pork surface, then nitrogen injection, pressure after 2 minutes in transformation process tank restores, simultaneously, nozzle 3 sprays the vaporific alcohol of food grain of the 10-15 μ size of 75% to raw material pork, constantly nitrogen injection increases the pressure in tank body thereupon, when pressure reaches 1.5 × 10 5after Pa, maintain this pressure 2 minutes, make alcohol enter raw material pork from raw meat surface inner, reach the effect of bacteria reducing.Make the pressure drop in transformation process tank 1 subsequently with vavuum pump extraction nitrogen, within 10 minutes, make pressure drop to 1300Pa, need to maintain low pressure a period of time, preferably 20 ~ 30 minutes, more preferably 30 minutes, until the moisture in pork reaches the degree of needs.By the mode of decompression, the moisture in raw meat evaporate, but the temperature of material can be made to reduce due to the reduction of pressure, therefore while reducing pressure by maintaining the temperature of raw material pork by means of the mode of FAR INFRARED HEATING.
Embodiment 5
As depicted in figs. 1 and 2, the flesh of fish is by after preliminary working, be placed on stainless (steel) wire dish 5, stainless (steel) wire dish 5 is put on stainless steel tray rack 4, stainless (steel) wire dish 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, then within 3 minutes, utilize vavuum pump that the pressure in transformation process tank 1 is reduced to 10000Pa, for removing the moisture on air and flesh of fish surface, then nitrogen injection, after 3 minutes, pressure restores, simultaneously, nozzle 3 is to the vaporific alcohol of food grain of the 10-15 μ size of flesh of fish injection 75%, constantly nitrogen injection increases the pressure in tank body thereupon, when pressure reaches 1.6 × 10 5after Pa, maintain this pressure 2 minutes, make alcohol enter raw meat inside from flesh of fish surface, reach the effect of bacteria reducing.Make the pressure drop in transformation process tank 1 subsequently with vavuum pump extraction nitrogen, within 10 minutes, make pressure drop to 1000Pa, need to maintain low pressure a period of time, preferably 0.5 ~ 5 minute, more preferably 0.5 minute.Moisture evaporation in making to oppress by the mode of decompression, but the temperature of material can be made to reduce, therefore by maintaining the temperature of the flesh of fish by means of the mode of FAR INFRARED HEATING due to the reduction of pressure.
Embodiment 6
As depicted in figs. 1 and 2, a kind of transformation cooling far-infrared ear thermometer and bacteria reducing method, comprising:
There is provided a horizontally disposed transformation process tank 1, the rear and front end place of described transformation process tank 1 is respectively arranged with the first sealed door 110 and the second sealed door 120, and described transformation process tank 1 is an adiabatic sealed shell of tank.Described first sealed door 110 offers observation port 111.
One vavuum pump is provided, by the first gas piping, vavuum pump is communicated with described transformation process tank 1, for the gas extracted out in described transformation process tank 1;
One nitrogen storage device is provided, by the second gas piping, described nitrogen storage device is communicated with described transformation process tank 1, for nitrogen injection in described transformation process tank 1;
There is provided a sprayer unit, it comprises the alcohol basin, atomizing pump and the multiple nozzle 3 that connect successively, wherein, is arranged on by described nozzle 3 above described transformation process tank 1 inwall, sprays described vaporific edible alcohol particle for food;
One nitrogen making machine is provided, described nitrogen making machine is communicated with described nitrogen storage device, for passing into nitrogen in described nitrogen storage device;
There is provided multiple far-infrared heater 2, described multiple far-infrared heater 2 is fixed on described stainless steel tray rack, is positioned at the gap location of adjacent two pallets, for heated food;
One gas tank is provided, by the 3rd gas pipeline, described gas tank is communicated with described transformation process tank.
One conveyer is provided, described conveyer is horizontally set in described transformation process tank 1, and be located at the bottom of described transformation process tank 1; Described conveyer comprises motor, conveyer belt 6, active transmission shaft and driven transmission shaft, and described active transmission shaft is connected with described motor, and described active transmission shaft and described driven transmission shaft are set in the two ends of described conveyer belt 6 respectively.Active transmission shaft and driven transmission shaft are separately positioned on two conveyor-belt apparatus supports 610, and two conveyor-belt apparatus supports 610 are all fixed on the bottom of transformation process tank 1 inwall.
There is provided stainless steel tray rack 4, be arranged on by stainless steel tray rack 4 in described transformation process tank 1, described stainless steel tray rack 4, under the transmission of described conveyer, is moved to the direction of the second sealed door 120 by the first sealed door 110 of described transformation process tank 1; Described tray rack 4 comprises the multilayer support body vertically arranged.
Stainless (steel) wire dish 5, is placed on stainless (steel) wire dish 5 on stainless steel tray rack 4, for holding food.And,
One controller is provided, described transformation process tank 1, described vavuum pump, described nitrogen storage device, described nitrogen making machine, described gas tank are connected with described controller with described sprayer unit.
Operate successively as follows and processed carried out to food:
(1) pork is by after preliminary working, be placed on stainless (steel) wire dish 5, then be put on stainless steel tray rack 4, stainless (steel) wire dish 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, utilize the air in vavuum pump suction transformation process tank 1, in 3 minutes, be decompressed to below 13332.2Pa; For removing the moisture on air and pork surface.
(2) then by nitrogen storage device to nitrogen injection in transformation process tank 1, pressure is restored, meanwhile, nozzle 3 is the vaporific edible alcohol particle of 10 μm to the diameter that pork injection volume fraction is 75%, simultaneously in 0.5 minute, lasting nitrogen injection makes pressure in transformation process tank 1 rise to 1.5 × 10 5pa, maintains this high pressure conditions 0.5 minute; Make alcohol enter pork inside from pork surface, reach the effect of bacteria reducing.
(3) recycle the nitrogen in vavuum pump extraction transformation process tank 1, in 10 minutes, make pressure drop to below 1333.22Pa, maintain this state, by the mode of decompression, the moisture in pork is evaporated; And,
(4) making under pressure remains on the decompression state of below 1333.22Pa scope in transformation process tank 1, to utilize far-infrared heater 2 heated food 30 minutes.Reduction due to pressure can make the temperature of food reduce, therefore by maintaining the temperature of pork by means of the mode of FAR INFRARED HEATING.
Embodiment 7
As depicted in figs. 1 and 2, a kind of transformation cooling far-infrared ear thermometer and bacteria reducing method, comprising:
There is provided a horizontally disposed transformation process tank 1, the rear and front end place of described transformation process tank 1 is respectively arranged with the first sealed door 110 and the second sealed door 120, and described transformation process tank 1 is an adiabatic sealed shell of tank.Described first sealed door 110 offers observation port 111.
One vavuum pump is provided, by the first gas piping, vavuum pump is communicated with described transformation process tank 1, for the gas extracted out in described transformation process tank 1;
One nitrogen storage device is provided, by the second gas piping, described nitrogen storage device is communicated with described transformation process tank 1, for nitrogen injection in described transformation process tank 1;
There is provided a sprayer unit, it comprises the alcohol basin, atomizing pump and the multiple nozzle 3 that connect successively, wherein, is arranged on by described nozzle 3 above described transformation process tank 1 inwall, sprays described vaporific edible alcohol particle for food;
One nitrogen making machine is provided, described nitrogen making machine is communicated with described nitrogen storage device, for passing into nitrogen in described nitrogen storage device;
There is provided multiple far-infrared heater 2, described multiple far-infrared heater 2 is by being fixed on described stainless steel tray rack, and the upside in adjacent two pallet gaps, for heated food;
One gas tank is provided, by the 3rd gas pipeline, described gas tank is communicated with described transformation process tank.
One conveyer is provided, described conveyer is horizontally set in described transformation process tank 1, and be located at the bottom of described transformation process tank 1; Described conveyer comprises motor, conveyer belt 6, active transmission shaft and driven transmission shaft, and described active transmission shaft is connected with described motor, and described active transmission shaft and described driven transmission shaft are set in the two ends of described conveyer belt 6 respectively.Active transmission shaft and driven transmission shaft are separately positioned on two conveyor-belt apparatus supports 610, and two conveyor-belt apparatus supports 610 are all fixed on the bottom of transformation process tank 1 inwall.
There is provided stainless steel tray rack 4, be arranged on by stainless steel tray rack 4 in described transformation process tank 1, described stainless steel tray rack 4, under the transmission of described conveyer, is moved to the direction of the second sealed door 120 by the first sealed door 110 of described transformation process tank 1; Described tray rack 4 comprises the multilayer support body vertically arranged.
Stainless (steel) wire dish 5, is placed on stainless (steel) wire dish 5 on stainless steel tray rack 4, for holding food.And,
One controller is provided, described transformation process tank 1, described vavuum pump, described nitrogen storage device, described nitrogen making machine, described gas tank are connected with described controller with described sprayer unit.
Operate successively as follows and processed carried out to food:
(1) beef is by after preliminary working, be placed on stainless (steel) wire dish 5, then be put on stainless steel tray rack 4, stainless (steel) wire dish 5 and stainless steel tray rack 4 entirety put into transformation process tank 1, utilize the air in vavuum pump suction transformation process tank 1, in 3 minutes, be decompressed to below 13332.2Pa; For removing the moisture on air and beef surface.
(2) then nitrogen in nitrogen storage device is injected transformation process tank 1, pressure is restored, meanwhile, nozzle 3 is the edible alcohol mist particles of 15 μm to the diameter that beef injection volume fraction is 75%, simultaneously in 12 minutes, lasting nitrogen injection makes pressure in transformation process tank 1 rise to 1.9 × 10 5pa, maintains this high pressure conditions 12 minutes; Make alcohol enter beef inside from beef surface, reach the effect of bacteria reducing.
(3) recycle the air in vavuum pump extraction transformation process tank 1, in 10 minutes, make pressure drop to below 666.61Pa, maintain this state, by the mode of decompression, the moisture in beef is evaporated; And,
(4) making under pressure remains on the decompression state of below 666.61Pa scope in transformation process tank 1, to utilize far-infrared heater 2 heated food 10 minutes.Reduction due to pressure can make the temperature of food reduce, therefore by maintaining the temperature of beef by means of the mode of FAR INFRARED HEATING.
The present invention passes into nitrogen and pressurizes in the transformation process tank 1 of decompression, sprays vaporific alcohol simultaneously, carry out sterilizing to food in food, oxygen in transformation process tank 1 is substituted for owing to passing into nitrogen, so alcohol spontaneous combustion can not occur in pressurization space, can use safely.Then, under a reduced pressure to heating of food, prevent food quality change under cryogenic, make the extended shelf-life of food, also keep the local flavor of food.
Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (10)

1. transformation cooling far-infrared ear thermometer and a bacteria reducing equipment, is characterized in that, comprising:
One transformation process tank, it is horizontally disposed with, and the rear and front end place of described transformation process tank is respectively arranged with the first sealed door and the second sealed door, and described transformation process tank is an adiabatic sealed shell of tank;
Multiple far-infrared heater, it is installed in described transformation process tank, and the wave-length coverage of described far infra-red heater is 3 μm of-1mm;
Vavuum pump, it is communicated with described transformation process tank by the first gas piping;
Nitrogen storage device, it is communicated with described transformation process tank by the second gas piping.
2. transformation cooling far-infrared ear thermometer as claimed in claim 1 and bacteria reducing equipment, is characterized in that, also comprise:
Sprayer unit, it comprises the alcohol basin, atomizing pump and the multiple nozzle that connect successively, and described nozzle is arranged on above described transformation process tank inwall;
Nitrogen making machine, it is communicated with described nitrogen storage device, for passing into nitrogen in described nitrogen storage device; And,
Gas tank, it is communicated with described transformation process tank by the 3rd gas pipeline, and described gas tank is connected with described controller;
One controller, it is connected with described transformation process tank, described vavuum pump, described nitrogen storage device, described gas tank, described nitrogen making machine and described sprayer unit.
3. the transformation cooling far-infrared ear thermometer as described in as arbitrary in claim 1 or 2 and bacteria reducing equipment, is characterized in that, also comprise:
Conveyer, it is horizontally set in described transformation process tank, and is positioned at the bottom of described transformation process tank;
Stainless steel tray rack, it is arranged in described transformation process tank, and under the transmission of described conveyer, is moved to the direction of the second sealed door by the first sealed door of described transformation process tank; And,
Stainless (steel) wire dish, it is for holding food, and described stainless (steel) wire dish is placed on stainless steel tray rack;
Wherein, described far-infrared heater is installed on described stainless steel tray rack, and is positioned at the centre of two adjacent described stainless (steel) wire dishes, near top stainless (steel) wire Pan Chu, to be installed on the left and right sides wall of described transformation process tank.
4. transformation cooling far-infrared ear thermometer as claimed in claim 1 and bacteria reducing equipment, is characterized in that, described far-infrared heater is Far-infrared Heating rod.
5. transformation cooling far-infrared ear thermometer as claimed in claim 3 and bacteria reducing equipment, it is characterized in that, described conveyer comprises motor, conveyer belt, active transmission shaft and driven transmission shaft, described active transmission shaft is connected with described motor, and described active transmission shaft and described driven transmission shaft are set in the two ends of described conveyer belt respectively.
6. transformation cooling far-infrared ear thermometer as claimed in claim 3 and bacteria reducing equipment, it is characterized in that, described stainless steel tray rack comprises the multilayer support body vertically arranged.
7. transformation cooling far-infrared ear thermometer as claimed in claim 2 and bacteria reducing equipment, is characterized in that, also comprise:
Tank support, it is horizontally set on described transformation process tank bottom, for the described transformation process tank of support;
Temperature-detecting device, it is arranged in described transformation process tank, and described temperature-detecting device is connected with described controller.
8. transformation cooling far-infrared ear thermometer as claimed in claim 1 and bacteria reducing equipment, is characterized in that, described first sealed door offers observation port.
9. a transformation cooling far-infrared ear thermometer and bacteria reducing method, it is characterized in that, comprise: food is put into horizontally disposed transformation process tank, the rear and front end place of described transformation process tank is respectively arranged with the first sealed door and the second sealed door, described transformation process tank is an adiabatic sealed shell of tank, processes in accordance with the following steps:
Air in step one, suction transformation process tank, was decompressed to below 13332.2Pa in 3 minutes;
Step 2, in transformation process tank, pass into nitrogen, pressure is restored, backward food spray volume fraction be 75% diameter be the edible alcohol mist particles of 10-15 μm, spray in the process of alcohol and in transformation process tank, pass into nitrogen thereupon, in 0.5 ~ 12 minute, pressure in transformation process tank is made to rise to 1.5-1.9 × 10 5pa, maintains this high pressure conditions 0.5 ~ 12 minute;
Step 3, extract nitrogen in transformation process tank out again, in 10 minutes, make pressure drop to below 666.61-1333.22Pa, maintain this state; And,
Step 4, make pressure in transformation process tank remain on below 666.61-1333.22Pa scope close to vacuum state, maintain 0.5 ~ 30 minute and utilize far-infrared heater heated food.
10. transformation cooling infrared ray dehydration as claimed in claim 9 and bacteria reducing method, it is characterized in that, described food is any one in vegetables, staple food and meat products, described vegetables comprise potato, described staple food comprises Flour product and rice made products, and described meat products comprises pork, the flesh of fish and beef.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85105926A (en) * 1985-08-06 1987-02-25 张庆玉 Vacuum far-infrared dryer
CN1660448A (en) * 2004-02-26 2005-08-31 迟新民 Disinfections method and equipment of spraying blended media
CN102987524A (en) * 2012-12-06 2013-03-27 江南大学 Pulse spouted microwave freeze-drying device for granular conditioning food and homogenization efficient processing method
CN204763254U (en) * 2015-06-26 2015-11-18 中国农业科学院农产品加工研究所 Vary voltage cooling far infrared dewater and subtract fungus equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85105926A (en) * 1985-08-06 1987-02-25 张庆玉 Vacuum far-infrared dryer
CN1660448A (en) * 2004-02-26 2005-08-31 迟新民 Disinfections method and equipment of spraying blended media
CN102987524A (en) * 2012-12-06 2013-03-27 江南大学 Pulse spouted microwave freeze-drying device for granular conditioning food and homogenization efficient processing method
CN204763254U (en) * 2015-06-26 2015-11-18 中国农业科学院农产品加工研究所 Vary voltage cooling far infrared dewater and subtract fungus equipment

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