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126results about How to "Shorten thawing time" patented technology
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Apparatus for thawing frozen biological fluids utilizing heating plates and oscillatory motion to enhance heat transfer by mixing
ActiveUS7011797B2Less timeEliminate thermal resistanceSurgeryMaterial analysis by optical meansWater bathsElectricity
An improved dry heat method and apparatus for thawing frozen biological fluids utilizing electrically heated plates and oscillatory motion to enhance heat transfer by mixing as the fluid thaws. Bags of frozen fluid to be thawed are lightly squeezed between two heating plates, one of which is gently oscillated to facilitate mixing of the thawing fluid, increasing heat transfer and reducing time required for thawing. Direct contact of the heating plates against the bag surfaces increases heat transfer by eliminating insulative effects of another bag wall and a water boundary layer, compared to water bath units. Flat (or curved to conform to bag) heat pipes are preferred as heating plates compared to plain aluminum sheet. Flat heat pipes have the property of an isothermal heating surface, thus maximizing heat transfer to the coldest areas, preventing hot spots, and simplifying heating plate temperature control.
Owner:BAKKE ALLAN P
Processing technique to thaw partially frozen fruits and vegetables and incorporating solids
ActiveUS20090162504A1Avoid damageImprove infusion efficiencyMilk preparationDough treatmentInfusion timeHigh rate
A method for thawing and infusing partially frozen fruits or vegetables. Individually quick frozen fruits or vegetables are introduced into a mixing kettle. An infusion solution is circulated from a solution tank, through a bed of fruits or vegetables, and back to a solution tank. The infusion solution is maintained at a temperature of about 45° to about 50° F. and at a Brix of about 40° to about 50°. The infusion solution is pumped and circulated at a high rate which reduces thaw time but does not result in product degradation. After thawing, the pumping and re-circulating rate is decreased to allow for increased infusion efficiency. Pressure pulses are applied to the product in the mixing tank which decreases the infusion time. Thus, thawed and infused fruit and vegetables are produced quickly and with minimal product degradation.
Owner:FRITO LAY NORTH AMERICA INC
Ultrasonic thawing control method for refrigerator
ActiveCN109619369AImprove convenienceImprove temperature uniformityLighting and heating apparatusFood preservationCompletion timeComputer module
The invention provides an ultrasonic thawing control method and a refrigerator. The refrigerator comprises a box body defined with at least one storage compartment, compartment door bodies for openingand closing access ports of all the storage compartments, and a thawing device. The control method comprises the steps: physical information of a to-be-processed object and the completion time set bya user are obtained; the thawing time required to thaw the to-be-processed object is matched according to the physical information; when the time interval between the current time and the completiontime is equal to the thawing time, the ultrasonic generating module starts to generate ultrasonic signals, and an ultrasonic oscillator generates corresponding ultrasonic waves to thaw the to-be-processed object according to the ultrasonic signals. Through obtaining of the physical information of the to-be-processed object and the completion time set by the user, when the time interval between thecurrent time and the completion time is equal to the thawing time, the to-be-processed object starts to be thawed, the user can obtain the completed to-be-processed object in the set completion time,high convenience is achieved and the user experience is improved.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD +1
Livestock and poultry meat freezing and unfreezing methods
ActiveCN105638848ASolve the real problemImprove qualityMeat/fish preservation by freezing/coolingField conditionsBiology
The invention provides a livestock and poultry meat freezing and unfreezing method. The freezing method comprises freezing fresh livestock and poultry meat in a freezer or a refrigerator with an electrostatic field device, wherein the output voltage of the electrostatic field is 2400-2600V, the current is 0.1-0.3mA, the freezing temperature is -22 to -18 DEG C, and the freezing time is 22-26 hours. The invention further provides an unfreezing method of the frozen livestock and poultry meat. The unfreezing method comprises unfreezing the frozen livestock and poultry meat in the freezer or the refrigerator with the electrostatic field device, wherein the unfreezing temperature is 2-6 DEG C, the unfreezing time is 22-26 hours, the output voltage of the electrostatic field is 2400-2600V, and the current is 0.1-0.3mA. Through the freezing and unfreezing under the electrostatic field condition, the juice loss of the frozen meat is reduced, and the quality of the unfrozen meat is improved, and the unfreezing time is shortened.
Owner:INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI +1
Coating for unfreezing disk and unfreezing disk
InactiveCN104710935AImprove thermal conductivityImprove absorbing performanceFood preservationRadiation-absorbing paintsMicrowaveHeat conducting
The invention discloses a coating for an unfreezing disk and the unfreezing disk. The coating comprises 2-20 parts by weight of heat conducting powder materials, 1-10 parts by weight of wave absorbing powder materials, 16-81 parts by weight of filling, and 1-12 parts by weight of auxiliaries. When the coating is used for the surface of a body of the unfreezing disk, the problems that unfreezing is not uniform and the like existing in traditional unfreezing can be effectively solved, so that more heat can be quickly conducted to unfrozen food, the unfreezing time of unfreezing the food through microwaves is obviously shortened, little juice of the unfrozen food flows out, the unfreezing effect and the unfreezing quality of the food are further improved, the coating is suitable for fast healthy living rhythm and living ideas of modern people, and the coating is suitable for social popularization.
Owner:GUANGDONG MIDEA KITCHEN APPLIANCES MFG CO LTD +1
Thawing methods and apparatus
ActiveUS20190003939A1Minimize shearReduce the amount requiredPreparing sample for investigationWater/sand/air bathsPhysical chemistryEngineering
The invention provides a method of thawing a sample comprised in a container, the method comprising the steps of: a) calculating an agitation program as a function of either or both of the sample volume and the type of the container, and the ice fraction in the sample, and optionally the thermal conductivity of the sample container; b) agitating said sample according to the program to agitate at least one region of the sample; and c) changing the agitation program applied to at least one region of the sample in response to changes in the sample volume and / or sample ice fraction. The invention further provides a method of reducing shearing to cells during a method of agitation, and methods for thawing a sample wherein a sample container is differentially heated. An apparatus for use in the methods is also provided, as is an apparatus for thawing and / or cooling a sample which comprises a resilient vessel wall.
Owner:ASYMPTOTE
Method for quality-guaranteed and uniform unfreezing of quick-frozen vegetables
InactiveCN103564036AImprove defrosting qualityDefrost quality shortenedFruit and vegetables preservationVegetable materialFrozen vegetables
The invention discloses a method for quality-guaranteed and uniform unfreezing of quick-frozen vegetables. The method comprises the following steps: selecting suitable vegetables for cutting, that is fresh vegetable raw materials are selected, cleaned and cut, and different kinds of vegetables are cut into different sizes, and the cutting surface area rate is distinguished according to tuber vegetables, wherein lump vegetables are 1.5 to 2.0 in weight, and leaf vegetables are 1.2 to 1.8 in weight. The method for quality-guaranteed and uniform unfreezing of quick-frozen vegetables, provided by the invention, conforms to nutritional requirements of human bodies and the theory of traditional Chinese medicine, and reduces or avoids the problems of nonuniformity in unfreezing, browning, nutrition loss and the like in the unfreezing process, thereby improving the unfreezing quality of the quick-frozen vegetables.
Owner:QINGDAO BOHONG MARINE BIOTECH
Control method for thawing device
InactiveCN109323521AImprove convenienceAvoid safety accidentsLighting and heating apparatusFood preservationStopped workRadio frequency signal
This invention provides a control method for a thawing device. The control method includes the steps that a radio frequency generator module generates radio frequency signals; a radio frequency antenna generates radio frequency waves of the corresponding frequency in a thawing chamber according to the radio frequency signals and enables a to-be-treated object to thaw; the surface temperature of the to-be-treated object is obtained; if the surface temperature of the untreated object is greater than or equal to a preset target temperature, the radio frequency generator module stops working. By adopting the thawing device in this invention, users only need to turn on a thawing switch to start the thawing procedure, and the thawing device can automatically terminate the thawing procedure whenthe thawing is completed without the users' manual control, thus improving the user's convenience.
Owner:QINGDAO HAIER SPECIAL ICEBOX
Liquor-saturated dried fish deep-processing method
InactiveCN101248888AEffective control of moisture contentEffective control and adjustment of textureMeat/fish preservation using acidsFood preparationNutritive valuesDried fish
The invention discloses a deep processing method of dried liquor-marinated fish, which comprises the steps of thawing raw material fish by adding salt, salt pickling, removing bones, cleaning, wind cooling and drying, flavoring, marinating in liquor, slicing, flavoring, bagging, packing, sterilizing, refrigerating, testing, packing, and storing. The inventive process adjusts tactile impression by effectively controlling moisture content, and the production process is not influenced by seasons, so that salt content is reduced, and the product has high nutritive value, special taste, and no earthy taste and fishy smell of fishes. The inventive process has the advantages of shorted thawing time, shortened salt pickling time, environmental friendliness, and reduced cost.
Owner:陈关海
Structure of container for reducing agent
ActiveCN1954135AInhibit releaseEfficient use ofExhaust apparatusSilencing apparatusEngineeringWater level
On the upper surface of a container body, there are installed at least a base section of a water level meter for detecting the remaining amount of a liquid reducing agent, a base section of a concentration meter for detecting the concentration of the liquid reducing agent, a heat exchanger surrounding each of detection sections of the water level meter and the concentration meter and exchanging heat between an engine coolant and the liquid reducing agent by circulating the engine coolant, and a suction tube provided between the water level gauge and the concentration meter and sucking the liquid reducing agent from the bottom of the container body. A substantially box-like protector is installed so as to surround the water level meter, concentration meter, and suction tube that are positioned at the lower part of the heat exchanger. Heat discharged from the lower part of the heat exchanger is confined inside the protector, and convection is produced in the confined region. By this, the liquid reducing agent frozen around the water level meter, concentration meter, and suction tube is efficiently thawed.
Owner:NISSAN DIESEL MOTOR CO
Thawing combined parts for refrigerator and thawing chamber
InactiveCN1967115AShorten thawing timeThawing is effectiveDomestic cooling apparatusLighting and heating apparatusInfraredUltraviolet
It relates to the defreeze assembly units and defreeze chamber of the fridge, with the former composed of reflective plate, radiating heater with either ultraviolet or infrared inside the reflective plate, with the latter composed of defreeze chamber inside the fridge, reflective plate inside the defreeze chamber reflecting radiating heat, and radiating heater inside the defreeze chamber. It can shorten defreeze time with efficient defreeze of the inside of the frozen foods through radiating.
Owner:LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
Refrigerator
PendingCN109323517AImprove thawing efficiencyReduce electromagnetic lossesLighting and heating apparatusDielectric heating circuitsElectricityComputer module
The invention provides a refrigerator. The refrigerator comprises a box body in which at least one storing chamber is limited, chamber door bodies for correspondingly opening and closing storing and picking ports of the storing chambers, and an unfreezing device which is arranged in one storing chamber, wherein the unfreezing device comprises a barrel body in which an unfreezing chamber for storing an object to be treated is limited, a device door body for opening and closing a storing and picking port of the unfreezing chamber, a radio frequency generating module, and a radio frequency antenna which is electrically connected to the radio frequency generating module; the radio frequency antenna is used for generating radio frequency with corresponding frequency in the unfreezing chamber based on a radio frequency signal in order to treat the object to be treated; the radio frequency antenna is electrically connected to the radio frequency generating module through an electric connecting line which smoothly extends, and thus the electromagnet consumption of the radio frequency at the electric connecting wire can be reduced. According to the refrigerator, the unfreezing device is arranged, and the radio frequency antenna of the unfreezing device is electrically connected to the radio frequency generating module through the electric connecting wire which smoothly extends, and thusthe electromagnet consumption of the radio frequency signal at the electric connecting wire can be reduced, and as a result, the unfreezing efficiency of the unfreezing device can be improved.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Black chokeberry blueberry wine and preparation method thereof
The invention provides a black chokeberry blueberry wine and a preparation method of the forever-young blueberry wine. By using cabernet sauvignon grape, blueberry and black chokeberry, content and flavor of polyphenols nutrient matter in the blueberry wine are greatly improved, and technical difficulty of too low content of tannin in traditional fruit wine is solved; by applying the fast cooling method of gradient cooling, the cooling rate of raw materials is largely increased, nutrition and flavor matter in the raw materials are effectively protected; by using the ultra-high pressure unfreezing, the unfreezing time is largely reduced, the production cycle is lowered; meanwhile, the raw material tissue is crushed, the juice yield is increased and dissolution of nutrient matter is promoted; through properly adding chitosan, astringency in the black chokeberry fruit wine is effectively reduced; the product is clear and transparent, the fruit smell is strong, rich and thick; the product is sweet and cool, and has high nutrient component and specular property of the black chokeberry blueberry wine; the product is health and safe; the black chokeberry blueberry wine is scientific and simple in operation process, low in cost, low in energy consumption, and easy to industrial production, and free from pollution to production environment.
Owner:SHENYANG AGRI UNIV
Three-stage unfreezing method for frozen beef
InactiveCN110477084AShorten thawing timeMaintain colorMeat/fish preservation by freezing/coolingThree stageChemistry
The invention relates to a three-stage unfreezing method for frozen beef, wherein the method includes the following steps: step 1) unfreezing the frozen beef in an unfreezing warehouse with preset temperature and humidity, wherein the humidity in the unfreezing warehouse is 60-90%, and the temperature is 15-25 DEG C; step 2) when the surface temperature of the frozen beef is detected to be -3 to 1DEG C, adjusting the temperature in the unfreezing warehouse to 5-15 DEG C, adjusting the humidity to be 75-95%, and unfreezing; and step 3) when the center temperature of the frozen beef is detectedto be -2.5 to -0.5 DEG C, adjusting the temperature in the unfreezing warehouse to be 0-10 DEG C, adjusting the humidity to be 80-100%, and unfreezing until the unfreezing is completed. The unfreezing method of the frozen beef can effectively improve the unfreezing efficiency of the frozen beef, maintains the quality after the unfreezing of the beef, and has a good application prospect.
Owner:CHINA MEAT RES CENT
Squid shredding machine
A squid shredding machine comprises a machine box, a feed conveying belt, a cover plate, assembling plates, material blocking plates, a discharge conveying belt, a material storage hopper, casters, a belt, a motor, a rotating shaft, a supporting wheel and a cutting blade set. The casters are arranged at the bottom of the machine box. The assembling plates are arranged on the two sides of the top of the machine box. The cutting blade set is transversely fixed between the assembling plates through the rotating shaft. The supporting wheel is arranged below the cutting blade set and fixed between the assembling plates through the rotating shaft. The rotating shaft is connected with an output shaft of the motor through the belts. The motor is fixed into the machine box. The cover plate is arranged on the cutting blade set and clamped between the two assembling plates. The feed conveying belt and the discharge conveying belt are independent systems and arranged on the left side of the cutting blade set and the right side of the cutting blade set. The material blocking plates are arranged on the two sides of the feed conveying belt and the two sides of the discharge conveying belt. The material storage hopper is arranged below an outlet of the discharge conveying belt and fixed to the machine box. Thus, by means of the squid shredding machine, the problems that an existing squid shredding machine can not directly process squids taken out of an icehouse, the shredded squid is disordered and not uniform, and the shredding speed is low are solved.
Owner:ZHEJIANG OCEAN UNIV
Thawing method and device for prolonging freshness of thawed tunas
InactiveCN104782738ASure bright redMaintain textureMeat/fish preservation by freezing/coolingElectricityEngineering
The invention discloses a thawing device for prolonging the freshness of thawed tunas. The thawing device comprises an upper electrode plate, a lower electrode plate and a plurality of electrode needles, wherein the electrode needles are fixedly connected with the upper electrode plate, and the upper electrode plate and the lower electrode plate are respectively connected with the anode and the cathode of a high voltage power supply; the upper electrode plate and the lower electrode plate can move up and down so as to control the distance between the end head of each electrode needle and the lower electrode plate. When the thawing method is in use, the frozen tunas are put on the lower electrode plate, the high voltage power supply is connected, and a high voltage electric field is formed between the upper electrode plate and the lower electrode plate. The thawing device utilizes the effective and reasonable thawing aiming at the tunas carried out by the high voltage electric field to gradually thaw the ultralow-temperature frozen tunas so as to obtain high-quality fish. The change of voltage and electrode spacing is controlled, so that the best thawing parameters are obtained. The voltage is controlled through an electric generator, fish blocks are put on the electrode needles with different spaces, the space between the adjacent voltage electrodes is changed, and corona wind with different intensities is generated for thawing. The special bright red of the thawed tunas is ensured, the texture of the thawed tunas has no significant changes, the thawing time is significantly shortened, and particularly the freshness of the thawed tunas can be prolonged.
Owner:ZHEJIANG OCEAN UNIV
Vitrification freezing reagent and vitrification unfreezing reagent as well as application and use method thereof
InactiveCN109673623AReasonable solute concentrationEasy to break awayCulture processDead animal preservationVitrificationWorking temperature
The invention relates to the technical field of freezing and unfreezing and in particular relates to a vitrification freezing reagent and a vitrification unfreezing reagent as well as application anda use method thereof. The invention provides the vitrification freezing reagent and the vitrification unfreezing reagent which are short in freezing time and unfreezing time, convenient to operate andcapable of preventing embryo damage. Compared with a current imported reagent, the freezing and unfreezing method provided by the invention has the benefits that (1) both the freezing time and the unfreezing time are shortened, and the working efficiency is improved; (2) freezing reagent solute has a reasonable concentration, an embryo can be easily dissociated from a freezing carrier, and excessive operation and damage to the embryo are avoided; (3) an unfreezing liquid has a working temperature of 37 DEG C, the unfreezing process can be continuously carried out on a working table, and the working table does not need to be replaced, so that operation procedures are simplified and errors are avoided.
Owner:白晓红
Unfreezing control method for refrigerator
InactiveCN109323514AImprove convenienceImprove thawing efficiencyLighting and heating apparatusFood preservationElectricityComputer module
The invention provides an unfreezing control device for a refrigerator. The refrigerator comprises a box body for limiting at least one storing space, chamber doors for opening and closing an access port of at least one storing space, an unfreezing device and a progress display area, wherein the unfreezing device comprises a barrel body for limiting an unfreezing chamber, a door for opening and closing the access port, a radio frequency generating module, radio frequency antennas which are electrically connected to the radio frequency generating module, and a temperature sensor for sensing thesurface temperature of an object to be treated in the unfreezing chamber. The unfreezing control method comprises the steps of obtaining the current surface temperature of the object to be treated; determining the unfreezing progress of the object to be treated based on the current surface temperature of the object to be treated and the preset target temperature; and displaying the unfreezing progress of the object to be treated in the progress display are. According to the method, the display area is formed in a door body of the refrigerator, so that a user can directly know the unfreezing progress of the object to be treated in the unfreezing chamber, and as a result, the user can conveniently use the unfreezing performance.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Frozen pork unfreezing technology
InactiveCN106259827AThaw fitReduce reproductionMeat/fish preservation by freezing/coolingPork meatCarboxymethyl-chitosan
The invention relates to a frozen pork unfreezing technology. The frozen pork unfreezing technology includes the steps that an unfreezing solution is prepared, wherein chitosan or carboxymethyl chitosan is dissolved in water to obtain the unfreezing solution; unfreezing is conducted, wherein frozen pork is placed in the unfreezing solution to be unfrozen. According to the frozen pork unfreezing technology, the frozen pork is placed in the unfreezing solution prepared from chitosan / carboxymethyl chitosan in the unfreezing process, bacterial reproduction in the unfreezing process is effectively reduced under the unfreezing condition near normal temperature, the whole technology is environmentally friendly and natural, the operation process is simple and convenient, unfreezing time is greatly shortened, and the technology is very suitable for unfreezing the unfrozen pork in industrial food processing.
Owner:湖南华乐食品有限公司
Equipment for quickly thawing frozen livestock foods
InactiveCN103960342AShorten thawing timeImprove thawing efficiencyFood processingMeat/fish preservation by freezing/coolingGourdEngineering
Owner:宁波市嘉食满食品有限公司
Preparation method of actinidia arguta enzyme
The invention discloses a preparation method of an actinidia arguta enzyme. Fresh actinidia arguta fruits are intolerant to storage and likely to soften in normal temperature conditions. After the actinidia arguta fruits are treated by a gradient freezing method, the storage ability of the actinidia arguta fruits is improved, the nutritional components and biological active substances in the freshactinidia arguta fruits are reserved to a great extent, and meanwhile, a gradient unfreezing mode can shorten unfreezing time and is suitable for industrial production. By using a double precooking method, the juice extraction rate is improved, the nutritional components in the fruits are dissolved out to a larger extent by double precooking and the utilization ratio of the fruits is improved. Aproper amount of VC is added in a beating process, so browning of fruit juice is inhibited, the true color of the actinidia arguta fruits is ensured and the fruit juice is uniform in color and has a fresh fruity odor. The original nutritional components of the fruits are reserved in a product, and in addition, beneficial enzymes such as superoxide dismutase (SOD), lipase and protease are increasedthrough fermentation and health care effects are improved.
Owner:SHENYANG AGRI UNIV
Colostrum pasteurization machine
PendingCN106035647AQuick thawImprove heat transfer efficiencyMilk preservationOther dairy technologyPlate heat exchangerProcess engineering
The invention relates to a colostrum pasteurization machine which comprises a pasteurization box, a hot water system, a stirring device and a control box. The stirring device is arranged inside the pasteurization box. The control box is arranged at the front portion of the pasteurization box. The hot water system is connected with the pasteurization box. The hot water system comprises a heating device and a circulating water device. The circulating water device comprises a plate heat exchanger and a second water pump. The heating device is connected with the plate heat exchanger through a pipeline. The colostrum pasteurization machine has the advantages that the problem that the heat exchange pipeline of the pasteurization box or a container is likely to scale formation is solved, the heat exchange efficiency is greatly improved, a drum drives integral turning of a colostrum bag for achieving rapid unfreezing, the pasteurization effect is good, the efficiency is high, cooling water and the colostrum bag make direct contact to achieve rapid cooling, and the problem that batches of pasteurization and feeding in the pasture calving peak season can be well solved; on the basis of saving manpower, material resources and time, the colostrum quality is protected, and better benefits are provided for a pasture.
Owner:宁夏利明畜牧科技有限公司
Refrigerator
InactiveCN109323503ALittle influence of temperatureImprove convenienceLighting and heating apparatusDielectric heating circuitsElectricityRadio frequency signal
The invention provides a refrigerator. The refrigerator comprises a box body, a refrigerating door body, a temperature-variable door body, a freezing door body and an unfreezing device. A refrigerating chamber, a temperature-variable chamber and a freezing chamber are defined in the box body. The refrigerating door body, the temperature-variable door body and the freezing door body are used for opening and closing a picking and placing opening of the refrigerating chamber, a picking and placing opening of the temperature-variable chamber and a picking and placing opening of the freezing chamber correspondingly. The unfreezing device comprises a barrel, a device door body, a radio frequency generation module and a radio frequency antenna. An unfreezing cavity used for containing a to-be-processed object is defined in the barrel. The device door body is used for opening and closing a picking and placing opening of the unfreezing cavity. The radio frequency antenna is electrically connected with the radio frequency generation module. The radio frequency antenna is configured to generate radio frequency waves with the corresponding frequency in the unfreezing cavity according to a radio frequency signal to unfreeze the to-be-processed object in the unfreezing cavity. The unfreezing device is arranged in the temperature-variable chamber. According to the refrigerator, the unfreezingdevice is arranged in the temperature-variable chamber; and compared with the manner of arranging the unfreezing device in the other chambers, the influence on the temperature of the storage space, outside the unfreezing device, in the chamber is small, and convenience of users is improved.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Method for ultrasonically assisting thawing of cyprinoids
InactiveCN108719440AOptimize power conditionsExcellent ultrasonic powerMeat/fish preservation by freezing/coolingFood ultrasonic treatmentUltrasonic assistedFood Preservers
The present invention belongs to the field of food preservation and discloses a method for ultrasonically assisting thawing of cyprinoids. The method comprises the following steps: (1) frozen cyprinoid flesh blocks are prepared; (2) the frozen cyprinoid flesh blocks are put into an ultrasonically assisted freezer filled with water; temperature is set to 25 DEG C; and the frozen cyprinoid flesh blocks are thawed with different ultrasonic powers (0-500 W); and (3) when frozen cyprinoid flesh block center temperature reaches 4 DEG C, the frozen cyprinoid flesh blocks are taken out and placed in a4-DEG C freezer. The method shortens thawing time, avoids disadvantages that traditional thawing time is relatively long and quality loss is relatively large, and fundamentally ensures the quality ofthe thawed cyprinoid flesh.
Owner:NORTHEAST AGRICULTURAL UNIVERSITY
Material used for manufacturing microwavetempering machine and defrosting device therefrom
ActiveCN101140084AEasy accessLow calorific valueCooking-vessel materialsDomestic stoves or rangesMicrowaveSilicon oxide
The invention relates to a material for making a microwave unfreezing device and the unfreezing device made of the material. The materials for making the microwave unfreezing device in the invention comprise the following components: aluminum oxide of 86 to 95 percent, magnesium oxide powder of 1 to 4 percent, silicon oxide of 3 to 6 percent, talcum powder of 0.50 to 2 percent and kaolin powder of 0.50 to 2 percent. The invention makes the unfreezing device made of the material into a shape of a pot lid or disc which can be directly covered on the periphery of food. The material provided in the invention can excite out far-infrared spectrum with a wavelength of 6 to 13 Mu m under the action of the microwave of certain intensity, and the spectrum is same with the absorption spectrum of ice and food; under the common action of the microwave and the far-infrared ray, the polarization motion of ice and food molecules is strengthened, which results in that the unfreezing temperature of the food is more uniform, the unfreezing time is shortened, and the unfreezing efficiency is greatly improved. The unfreezing efficiency of the unfreezing device provided in the invention can by improved by over 40 percent, and the unfreezing device has the good unfreezing uniformity; the rapid and high efficient unfreezing can be realized through the high-firepower and full-power microwave, and the unfreezing time is 70 percent shorter than the traditional unfreezing time.
Owner:MIDEA GRP CO LTD
Control method used for thawing plant
PendingCN109323515ALow failure rateAvoid damageLighting and heating apparatusDielectric heating circuitsHandling foodStopped work
The invention provides a control method used for a thawing plant. The thawing plant comprises a cylinder, a plant door body, a radio frequency generating module and a radio frequency antenna, whereinthe cylinder defines a thawing chamber used for holding a to-be-handled food; the plant door body is arranged at a picking and placing opening position of the thawing chamber and is used for opening and closing the picking and placing opening of the thawing chamber; and the radio frequency antenna is arranged on the inner wall of the thawing chamber and is electrically connected with the radio frequency generating module. The control method comprises the following steps of judging whether the to-be-handled food is placed in the thawing chamber or not, if yes, the radio frequency generating module can work under control, and if not, the radio frequency generating module does not work. According to the control method provided by the invention, when there is no to-be-handled food (including that the to-be-handled food is too few) in the thawing chamber of the thawing plant, the radio frequency generating module stops working, so that dry burning phenomenon is avoided, i.e., the phenomenonthat radio frequency generating module is damaged due to long-term no-load operation is also avoided, and therefore, the fault rate of the thawing plant is reduced, and generation of undesirable energy consumption is avoided.
Owner:QINGDAO HAIER SMART TECH R & D CO LTD
Exhaust purification device for engine
ActiveUS20170350292A1Shorten thawing timeInternal combustion piston enginesExhaust apparatusAqueous solutionNuclear chemistry
An exhaust purification device for an engine facilitates thawing of a urea aqueous solution, which is frozen in a reducing agent tank of an exhaust purification device, more rapidly. When a urea aqueous solution in a reducing agent tank is frozen at a time of starting an engine, at least a part of the urea aqueous solution to be supplied to an injection nozzle is flown into a reducing agent circulation flow path, a part of which is adjacent to a heat source, and the urea aqueous solution thus heated is returned to the reducing agent tank.
Owner:NISSAN DIESEL MOTOR CO
Frozen meat product thawing method and device
ActiveCN106359529AMeet the needs of automatic thawingShorten thawing timeMeat/fish preservation by freezing/coolingProcess engineeringHot Temperature
The invention relates to a frozen meat product thawing method and device. The method includes the steps: acquiring the quality of a frozen meat product to be thawed, a first preset environmental temperature and a second preset environmental temperature; respectively determining first time needed by a first thawing stage and second time needed by a second thawing stage through a preset meat product thawing model according to the quality of the frozen meat product to be thawed, the first preset environmental temperature and the second preset environmental temperature; controlling the thawing device to thaw the frozen meat product to be thawed in a two-stage mode according to the first preset environmental temperature, the first time, the second preset environmental temperature and the second time. The requirement of a user for automatic thawing of ultralow-temperature frozen meat products can be met, thawing time can be shortened by the high-temperature thawing stage and the low-temperature thawing stage, the problem of poor food sanitation caused by excessive thawing of product surfaces is avoided, and eating safety of the products can be effectively guaranteed.
Owner:CHINA MEAT RES CENT
Energy-saving refrigerator and fast unfreezing method and system thereof
ActiveCN111006432AFulfilling Frozen Food NeedsLess demand for frozen foodLighting and heating apparatusFood processingIceboxProcess engineering
The invention relates to the field of refrigerator devices and discloses an energy-saving refrigerator. The energy-saving refrigerator comprises a refrigerating chamber and a variable-temperature chamber, wherein the variable-temperature chamber is provided with a variable-temperature evaporator and a variable-temperature fan; a circulating air duct is formed between the refrigerating chamber andthe variable-temperature chamber by an air supply duct and an air return duct; an air door is arranged on the air supply duct; and when the refrigerating chamber needs to refrigerate or the variable-temperature chamber needs to be heated up for unfreezing, the variable-temperature fan is started and the air door is opened to make the circulating air duct through so as to form convective heat exchange. By use of the energy-saving refrigerator, energy in both of the refrigerating chamber and the variable-temperature chamber can be reasonably utilized to realize fast unfreezing of frozen food inthe variable-temperature chamber, the energy consumption of the complete machine is not increased during refrigeration of the refrigerating chamber, and thus, the product material cost is reduced.
Owner:HISENSE RONSHEN GUANGDONG REFRIGERATOR
Method for rapidly thawing bulk freight vehicle
InactiveCN101349508AIncrease temperatureFast thawingElectric heating for furnacesElectricityBulk cargo
A bulk cargo vehicle rapid thawing process is characterized in that firstly, pulling a to-be-thawed vehicle to a heating zone, installing infrared radiation heating devices on two sides of the to-be-heated vehicle in the heating zone, and then conducting the radiation heating to the vehicle through using the infrared radiation heating devices for 5-15 minutes with 400-900 KW electric power, and finally pulling out the thawed vehicle. The process has the advantages and the effects that the thawing speed is greatly increased through adopting the infrared radiation heating method, the construction cost of the process is reduced, the energy is saved, and the smooth production and the normal turnover of the vehicle can not be affected, and the infrared radiating heating device not occupies space, can be installed beside a current.
Owner:QINGHAI JITIAN TECH DEV
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