50results about How to "Thaw evenly" patented technology

The invention provides a radio frequency thawing heating device. The radio frequency thawing heating equipment at least comprises a radio frequency power output module, a control unit, a power module,a heat dissipation system and an electric radiation device. The electric radiation device comprises: a thawing heating cavity; a radiation component which is disposed within the thawing heating cavity; a switch switching module coupled to the radiation component. Compared with the prior art, the radio frequency thawing heating device of the invention has the following advantages: 1) the food is thawed uniformly and quickly, flowing of blood water can be prevented, and the good food quality is ensured to the greatest extent; 2) the food is heated uniformly, hot spots and cold spots can be prevented, the possibility of local overheating or unheating is greatly lowered; 3) the electric radiation device is used to perform thawing, and the reaction speed is fast; and 4) the system is more intelligent, convenient and safe, suitable for households, restaurants and the like.

An uniform-unfreezing type radio frequency heating deice comprises a radio frequency heater, a medium vessel and a heat exchanger, wherein the medium vessel which is full of a medium solution is arranged between two polar plates of the radio heater; an opening is formed in the upper end of the medium vessel; an object to be unfrozen is dipped into the medium vessel to be unfrozen through the radio frequency heater. The radio frequency unfreezing device is wide in applicable scope; the unfreezing quality is improved; the edge heating effect of an regular object is achieved, and the problem of non-uniform heating caused by non-uniform electromagnetic field distribution due to non-uniform thickness of irregular objects in parallel polar plates can be solved; a tunnel vessel and the medium solution inside are recycled; the cost of reconstructing the device under original basis is low; the additional operation cost is low; the operation is easy; the application scope is wide; frozen objects with different size and shape can be synchronously quickly and uniformly industrially unfrozen.

The temperature or pressure in a thawing zone 2 is controlled to a preset level in a thawing process to perform the thawing of an object 1 with low-pressure steam in the thawing zone 2 by evacuating the thawing zone 2 under controlled evacuation speed while supplying steam to the thawing zone 2. The subject thawing apparatus is provided with a steam supplying means 3 to supply steam to the thawing zone 2, an evacuation means 4 to evacuate the thawing zone 2, a detection means 7 to detect the temperature or pressure in the thawing zone 2 and a controlling means to adjust the value detected by the detection means 7 to be equal to a preset level by intermittently operating the evacuation means 4 while supplying steam by the steam supplying means 3.

The invention relates to a rapid low-temperature microwave thawing method which is carried out by a microwave thawing machine. The thawing method comprises the following steps: putting frozen objects into a microwave working chamber in the microwave thawing machine, wherein the environmental temperature in the microwave working chamber ranges from -3 DEG C to 3 DEG C; in a microwave thawing process, introducing cold and wet airflow into the microwave working chamber so as to condense one layer of frost film on the surfaces of the frozen objects, namely carrying out microwave thawing on the frozen objects in a frost film covering environment. A manner of forming the cold and wet airflow by atomizing cold water is adopted so that a lot of the cooling airflow can be formed by only consuming less water; meanwhile, the whole microwave working chamber can be used for placing frozen materials and is not limited by a water groove and the like; the frozen materials with great volume or more quantity can be rapidly thawed and the efficiency is improved.

The invention discloses a low-temperature high-humidity unfreezing machine. The low-temperature high-humidity unfreezing machine comprises a box body, a goods shelf and a cyclic humidifying system, wherein the goods shelf is arranged in the box body, and the cyclic humidifying system is arranged on two sides of the box body; a sealing door with a thermal insulation layer is arranged at an opening in one side of the box body, the thermal insulation layer is arranged at the inner part of the box body, and foot wheels are arranged at the bottom of a shelf body on two sides of the goods shelf respectively; the cyclic humidifying system consists of a steam system, water spraying pipes, cyclic fans and air volume regulating louvers; the steam system consists of an electromagnetic steam valve, manual valves and steam discharging pipes, wherein the steam discharging pipes are communicated with the cyclic humidifying system on the two sides respectively, the cyclic fans are positioned above the steam discharging pipes, the water spraying pipes are arranged under the steam discharging pipes, and the cyclic humidifying system is also provided with temperature controllers respectively. The low-temperature high-humidity unfreezing machine disclosed by the invention uses air as a medium and adopts a low-temperature humidifying manner, so that air with high humidity is circulated under the low-temperature environment, air currents with the high humidity are formed in an unfreezing room, and a phenomenon that the surface of a frozen product is dried is avoided.

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.

The invention belongs to the field of food processing equipment and particularly relates to defrosting equipment for frozen meat. The defrosting equipment comprises an engine body, a motor, a defrosting grove, a support bracket, meat accommodating baskets and a fan; the support bracket is arranged inside the engine body, and the support bracket is connected with an electric telescopic pole; the meat accommodating baskets are arranged under the support bracket, the defrosting groove is arranged right under the meat accommodating baskets, a rotary table is arranged under the defrosting groove, a motor is arranged on the outer side of the engine body, and the rotary table is connected with the motor through a rotating shaft; a cavity is arranged in the side wall of the engine body, an air duct is arranged in the cavity and is connected with the motor, a plurality of tuyeres are arranged in the air duct, through holes are arranged in the engine body, and the tuyeres penetrate the through holes. By the arrangement, the frozen meat can be defrosted rapidly, defrosting time is shortened, and quality of the frozen meat is guaranteed.

The invention discloses a method for using a microwave defrosting device. The method comprises the following steps: a microwave generator is opened; the microwave generated by the microwave generatoris transmitted into a heating cavity through an aperture on a slot antenna; 2, that control system controlS the first outer shield door mechanism to open, the material to be thawed is input into the inlet inhibiting cavity, and the first outer shield door mechanism is closed; 3, that control system controlS the first inner shield door mechanism and the second inner shielding door mechanism to simultaneously open, the materials to be defrosted in the fee inhibition chamber are inputted to the heating chamber, and the defrosted materials in the heating chamber are outputted to the discharge inhibition chamber, and the first inner shielding door mechanism and the second inner shielding door mechanism are simultaneously closed; 4, that control system controlS the second outer shield door mechanism to open, the thawed material is output from the discharge inhibiting cavity to the outside, and the second outer shield door mechanism is closed; The invention can effectively prevent microwave leakage, make microwave thawing more uniform, improve thawing efficiency and increase energy utilization rate.

The invention relates to the technical field of the food industry, in particular to a thawing cavity and a radio frequency thawing device. The thawing cavity comprises a metal cavity with an opening,a metal lid capable of covering the opening, an insulating partition board arranged in the metal cavity to divide the metal cavity into a first accommodating cavity and a second accommodating cavity as well as an LC oscillation device arranged in the second accommodating cavity. The LC oscillation device comprises a metal column arranged at the bottom of the second accommodating cavity to serve asan inductor and a metal plate arranged at one end, away from the bottom, of the metal column to serve as a capacitor. A radio frequency power source is electrically connected with the metal column tooutput a radio frequency signal to the metal column, so that the metal column and the metal plate perform oscillation treatment on the radio frequency signal, the radio frequency signal subjected tooscillation treatment is transmitted to the first accommodating cavity in a microwave form, and microwave thawing of a to-be-thawed object arranged in the first accommodating cavity is realized. By means of the device, to-be-thawed objects can be quickly and uniformly thawed, and the taste and nutrients of the objects can be guaranteed.

The invention discloses a sealed cupboard with drying and thawing functions. The sealed cupboard comprises a cupboard body, wherein closed contact parts of the cupboard body and a cupboard door are correspondingly provided with sealing magnetic strips; an upper cupboard of the cupboard body is provided with a drying device; a middle cupboard of the cupboard body is provided with a microwave thawing device; a power device is arranged on the outer side of the cupboard body. The sealed cupboard can be used for food thawing and kitchenware drying, has a wide application range, and is powered by using solar energy so as to save electric energy.

The invention belongs to the technical field of food processing, and particularly relates to spicy beef slices and a preparation method thereof. The spicy beef slices comprise 60-63% of beef slices, 3.5-3.8% of seasonings, 1.3-1.6% of pickling materials, 0.6-0.9% of chili sections, 0.8-0.9% of pigment liquid, 3.6-3.8% of red oil and the balance of water, and the sum of the total mass percentage content is 100%, wherein the pickling material comprises a compound water retention antioxidant, baking soda, a compound water retention agent, a pickling powder seasoning and sodium carbonate, and the mass ratio thereof is (0.24 to 0.27): (0.4 to 0.5): (0.11 to 0.13): (0.55 to 0.65): (0.05 to 0.07) and the like. The spicy beef slices prepared by the invention are tender and smooth, chewy in mouth feel, strong in juice feeling, and strong in water-holding capacity after repeated unfreezing; the product is stable in color generation.

The invention discloses a method for unfreezing a frozen meat product. The method comprises the following steps of putting to-be-unfrozen bulk frozen meat between two metal polar plates; soaking the metal polar plates and the bulk frozen meat for 60-90 seconds in saline water having a concentration of 1-3 percent; and applying alternating current with different voltages between the two metal polarplates according to the thickness difference of the bulk meat. The method can be used for unfreezing meat quickly, the frozen meat product unfrozen by the method has uniform temperature, little juiceis lost in unfreezing, and the taste of the meat product can be better maintained.

The invention discloses a method for unfreezing, cleaning and maintaining remains. The remains are placed into a closed cabin, low-temperature and high-humidity air which is circulated forcibly is used for swaying the surfaces of the remains, uniform airflow distribution is formed on the surfaces of the remains through the high-humidity airflow, and the remains are unfrozen through heat exchange;the water spraying cleaning mode is utilized, and all-directional spraying and cleaning are performed on the back faces, the front faces and the side faces of the remains; then, the ozone disinfectiontechnology is adopted for performing disinfection treatment on the environment inside a remains agent device; then, warm steam is adopted for performing stifling and maintaining on the surfaces of the remains; exhaust gas and wastewater generated in the operation process are discharged into an exhaust gas and wastewater treatment system, and discharged after treatment. According to the method, the face cosmetic requirement can be met through epidermis unfreezing within 90 min; in the remains unfreezing process, no damage is caused to the remains; the testing process can be monitored through avisual window; the whole process is performed inside the closed space, and no waste liquid or exhaust gas escapes; the wastewater and exhaust gas treatment links are executed, and no damage is causedto the environment.

The invention discloses a food rapid thawing, sterilization and fresh-keeping device, which aims at thawing food in a short time, sterilizing the food while thawing, keeping the food fresh after thawing, and avoiding food pollution during the thawing process. The high-voltage transformer is fixedly installed on the bottom plate of the rear engine room, the magnetron is fixedly installed on the waveguide, the waveguide is fixedly installed on the rear wall of the thawing chamber, and the interference disk module is fixedly installed on the interference disk module bracket. It is fixedly installed on the rear wall of the thawing chamber, and the superconducting thermal element is fixedly installed in the heat collector. The upper rack is movably installed on the upper rack guide rail, the lower rack is movably installed on the lower rack guide rail, and the automatic door is provided with a left automatic door and a right automatic door, which are respectively movably installed on the automatic door. On the guide rails, the automatic door guide rails are fixedly installed on the inner walls of the front and rear sides of the thawing chamber. The invention can realize the functions of rapid thawing and sterilizing and keeping fresh after thawing for frozen food.