29 results about "Frozen storage" patented technology

The invention relates to the related field of food freezing, in particular to a high-frequency alternating electromagnetic field assisted low-temperature saline solution spraying and freezing device and method, and the device comprises a continuous conveyor, a first single-mode resonant cavity, a first spraying system, a second spraying system, a second single-mode resonant cavity, a third spraying system and the like. According to the method, food is treated by adopting a two-section high-frequency alternating electric field, the first section is pretreatment for adjusting a water molecule structure in the food to facilitate heat transfer freezing, and the second section is a latent heat release stage of a maximum ice crystal band to accelerate ice crystal nucleation in the food, so that the size of ice crystals generated in the freezing process of aquatic products is reduced, and the freezing efficiency of the aquatic products is improved. The texture level, the taste and the water holding rate of the aquatic products are improved, and the freezing storage time of the aquatic products is effectively prolonged.

The application discloses a kind of upper opening low-temperature refrigeration house sealing roof devices, it is related to refrigeration house technical field, including bottom frame, installation frame, middle frame, heat insulation board and top frame from bottom to top are sequentially arranged;Bottom frame is arranged in the inside of inner storehouse;Installation frame is installed on bottom frame, and installation frame is opened in multiple first through holes for frozen storage frame to pass through;Middle frame is installed on installation frame, and multiple first cavities are opened in middle frame, and heat preservation block is installed in first cavity, and the periphery of heat preservation block is provided with the first channel compatible with first through hole;Top frame is installed on middle frame, and multiple second through holes for frozen storage frame to pass through are opened in top frame;Heat insulation board is opened in multiple second cavities corresponding to first cavity one by one arrangement.The sample box is taken out, and professional mechanical hand is not needed to open heat preservation door body, just need to take out the frozen storage frame required, and sample box can be taken out, and the speed of sample storage and retrieval is fast, and time is short.

This invention relates to the field of food freezing, and more particularly to a high-frequency alternating electromagnetic field-assisted low-temperature salt solution spray freezing device and method, comprising a continuous conveyor, a first single-mode resonant cavity, a first spray system, a second spray system, a second single-mode resonant cavity, and a third spray system. This invention employs a two-stage high-frequency alternating electric field treatment on food. The first stage is a pretreatment to adjust the water molecule structure in the food, making it more conducive to heat transfer and freezing. The second stage is the latent heat release stage of the maximum ice crystal zone, accelerating ice crystal nucleation in the food. This reduces the size of ice crystals formed during the freezing process of aquatic products, improves the texture, taste, and water retention of aquatic products, and effectively increases the frozen storage time of aquatic products.

The utility model belongs to the technical field of fresh food freezing storage, and particularly relates to a fresh food freezing storage device which comprises a shell and a box door, a control panel is fixedly installed on the front face of the box door, a hinge is fixedly installed on one side of the box door, a handle is fixedly installed on the front face of the box door, and a sealing strip is fixedly installed on the back face of the box door. A refrigeration structure is fixedly installed in the shell, an inner container is fixedly installed in the shell, and a rotating structure is fixedly installed in the inner container. The first motor is fixedly installed in the support, and the fan blades are fixedly installed at the output end of the first motor, so that when the motor is started, the fan blades are rotated to suck air from the air inlet, and then the air takes away heat dissipated by the heat dissipation fins to be discharged from the air outlet; and when the second motor is started, the rotating shaft is rotated to rotate the storage box, and then the fresh food at any position in the storage box can be taken out.

The utility model discloses a kind of heat preservation boxes for goods transportation, comprising: box, vertically set, and front end is open-ended;Box door, set in the front side of the box;Frame, rectangularly set in the inside of the box;Ice plate, set in the gap between the frame and the box, and distributed in the both sides and top position of the box;Holder, set in the box, and located bottom position.The utility model has the following advantages and effects: by setting the heat preservation box that can be placed in cage car, and setting the ice plate of pull-out type installation in heat preservation box, the temperature in heat preservation box is quickly adjusted, so as to realize the refrigeration or freezing storage of goods, avoid refrigeration goods or frozen goods to melt, ensure the stable transportation of goods.

The invention belongs to the technical field of food processing, and particularly relates to a method for delaying lipid oxidation in the frozen storage process of conditioning meat products. According to the method, the fresh meat product is firstly subjected to vacuum cooking, and then the conditioned meat product subjected to vacuum cooking is placed in a ternary dipping freezing system to be frozen for 1-2 h at the temperature of-30 DEG C to-20 DEG C. The treatment method has the beneficial effects that after the fresh meat product is treated by adopting the method in combination with conditioning and rapid freezing, the lipid oxidation rate of the conditioned meat product is remarkably reduced in the subsequent freezing storage process, meanwhile, the second-stage and third-stage structural stability of protein is higher, and the treatment method provided by the invention has the advantages that the treatment effect is good, and the treatment cost is low. The raw materials are simple and easy to obtain, the treatment cost is low, and the universality is higher.

The invention discloses postharvest durian fresh-keeping equipment convenient to adjust temperature, and relates to the technical field of durian fresh-keeping, the postharvest durian fresh-keeping equipment comprises a liquid nitrogen conveying assembly, the liquid nitrogen conveying assembly is used for durian cryopreservation, and a fresh-keeping box is fixedly mounted on the outer surface of the liquid nitrogen conveying assembly. According to the postharvest durian fresh-keeping equipment capable of conveniently adjusting the temperature, a worker turns over a sealing cover to enable the interior of the fresh-keeping box to be in a sealed state, a gasket installed between an inner-layer protection frame and an outer-layer frame plate is made of a heat preservation material, and the two gaskets of bent structures are obliquely installed between the inner-layer protection frame and the outer-layer frame plate; when heat outside the fresh-keeping box flows through the gasket, a more complex flowing path can be formed, the contact area between the heat and the surface of the gasket is increased, the heat is blocked, and the heat is prevented from being transmitted from the external high-temperature environment to the low-temperature space inside the fresh-keeping box, so that the heat preservation effect of the fresh-keeping box is improved, a stable appropriate temperature interval is maintained, and the service life of the fresh-keeping box is prolonged. And temperature loss can be reduced.

To support a user who divides a food product while the food product is frozen.SOLUTION: A frozen storage system includes: a refrigerator body provided with a storage room for storing a food product therein; cooling means for cooling the interior of the storage room; and control means for controlling the cooling means so that the internal temperature of the storage room becomes a first temperature that is equal to or lower than the freezing temperature of the food product. The first temperature is such the temperature as maintaining the frozen state of the food product until the frozen food product is taken out from the storage room and is completed with division process in which the frozen food product is divided.SELECTED DRAWING: Figure 4

The water dispensing device of the present invention comprises: a body unit having a space unit formed therein and having an open upper side; a cover unit detachably coupled to the upper end of the body unit so as to cover the open upper side of the body unit; an ice-making tray disposed inside the body unit and filled with purified water for making ice; an ice bank disposed inside the body unit and below the ice-making tray so as to store ice separated from the ice-making tray; a compressor; a condenser; an expansion valve; and a cooling means having comprising an ice-making evaporator into which the refrigerant flows after passing through the expansion valve, and which is provided to cool the purified water that fills the ice-making tray, and a freezing evaporator into which the refrigerant flows after passing through the expansion valve, and which is provided to maintain the ice stored in the ice bank in a frozen state.

This invention relates to the field of intelligent meat preservation equipment, providing an intelligent meat preservation box for non-crystalline freezing. It includes a box body and a control system. The box body forms a storage space for storing food. The box body integrates a touch-sensitive power interface and multi-point temperature sensors. The storage space includes a first side wall and a second side wall arranged opposite each other. A first electrode plate is located in the first side wall, and a second electrode plate is located in the second side wall. A controllable electric field is generated between the first and second electrode plates. The control system is located on the box body. By inputting information about the meat raw materials and the ambient temperature, the control system decides and outputs electric field parameters for non-crystalline freezing and abnormal freezing warning and melting. A controllable electric field with multi-mode feedback matching is formed in the electrode plate space to suppress ice nucleation. The intelligent meat preservation box for non-crystalline freezing provided by this invention can be flexibly stacked, suitable for various preservation needs, breaking the traditional boundaries between freezing and refrigeration temperature zones, and achieving intelligent preservation of frozen quality.

The invention provides a processing method and device for improving freezing damage and reheating fishy smell of fish meat prefabricated vegetables. The processing method comprises the following steps: carrying out pre-cooling treatment on a pre-treated product by adopting recycled liquid nitrogen cold steam, and carrying out ultralow-temperature liquid nitrogen quick-freezing on the pre-cooled product. Carrying out modified atmosphere packaging and freezing storage on the quick-frozen product to obtain a stored product; and unfreezing and reheating the stored product by adopting a heat pipe microwave coupling technology to obtain a reheated product. The center temperature of the product is reduced to-18 DEG C or below by adopting a liquid nitrogen quick-freezing technology, and the product is sealed and stored by adopting modified atmosphere packaging. And unfreezing and reheating the stored product by adopting a heat pipe microwave coupling technology to obtain a reheated product. In the reheating process, the quality change is monitored through a low-field nuclear magnetic resonance (LF-NMR) technology, the dish is unfrozen at 45 DEG C, the water state of the dish is most stable when the dish is reheated at 800 W, and the quality is better. Through cooperative regulation and control, freezing damage is remarkably inhibited, and deodorization and synergy are achieved in the reheating stage.

This disclosure describes a system for protection of the bottle or carboys during freezing, storage or transport, and thawing. The system described herein is designed to enable high heat transfer rates under certain conditions, thus enabling to freeze or thaw the biopharmaceutical solutions at optimal rates, without disassembling the protective structure. This disclosure describes a system configured to receive a bottle or carboy filled with biopharmaceutical solutions for freezing, transport and thawing. This system comprises five main parts: a lid; a top cover; a multi-shape compatible top holder; a multi-shape compatible bottom holder and a bottom cover. This system has an opening in the bottom below the container that allows air to be driven through the walls of the bottle and through a side vent. The airflow passage in the system, allows the use of the system for freezing (cold air) or thawing (hot air) while providing physical protection.

The water dispensing device according to the present invention comprises: an ice-making tray into which water required for ice making is filled; a water supply unit for supplying water required for ice making to the ice-making tray; an ice bank disposed below the ice-making tray to store ice separated from the ice-making tray; a cooling means comprising a compressor, a condenser, an expansion valve, an ice-making evaporator, and a freezing evaporator, wherein the ice-making evaporator is configured to receive refrigerant having passed through the expansion valve and provided to cool purified water filled in the ice-making tray, and the freezing evaporator is configured to receive refrigerant having passed through the expansion valve and provided for freezing storage of ice stored in the ice bank; a first heater provided in the water supply unit to heat the water supply unit; and a controller for controlling the first heater.

The invention relates to the technical field of mobile phone heat dissipation, and discloses a refrigerant magnetic type mobile phone fever cooling patch which comprises an ice box and a thin iron sheet, the thin iron sheet is installed on the back of a mobile phone through gum, and the ice box and the thin iron sheet attract each other; the ice box comprises a first fixing box and a second fixing box. A metal box is installed between the first fixing box and the second fixing box, and a groove is formed in the portion between the first fixing box and the second fixing box. According to the refrigerant magnetic type mobile phone fever cooling patch, by arranging the thin iron sheet and the ice box, when the cooling patch is used, the thin iron sheet is pasted to a hot area on the back of a mobile phone through back glue, then the ice box is taken out of a refrigerator, the metal box at the bottom of the ice box is aligned to the thin iron sheet, and rapid adsorption and fixation are achieved through the magnetic attraction effect of the T-shaped magnet and the thin iron sheet; the refrigerant in the metal box is frozen in advance to store cold energy, the bottom surface of the metal box is in contact with a mobile phone heating area to conduct and absorb heat of a mobile phone body, and the temperature of the mobile phone is reduced by utilizing the refrigerant to raise temperature, especially the heat absorption characteristic in the phase change process.

The utility model relates to the technical field of beef fresh keeping, and discloses a freezing storage device for beef fresh keeping, which comprises a heat preservation box, a feeding port is arranged at the top of the heat preservation box, a sealing cover is sleeved at the top end of the feeding port, an ice carrying assembly is arranged in the heat preservation box, and the ice carrying assembly comprises a partition plate. The partition plate is fixedly connected to the inner wall of the heat preservation box, the surface of the partition plate is fixedly connected with a dispersion plate, and strip-shaped holes are formed in the surface of the dispersion plate and the surface of the partition plate. According to the freezing storage device for beef preservation, ice blocks can be uniformly dispersed through the wavy dispersion plate, and the situation that local accumulation affects cold release is avoided; the conical table can guide ice block melt water to flow to the inclined bottom face of the heat preservation box along the surface and be discharged through the drainage pipe, meanwhile, cold air sinking is not hindered, it is guaranteed that beef is in a low-temperature environment through cooperation with the water penetrating holes of the containing plate, meat deterioration caused by water soaking is prevented, and the beef preservation stability is improved.

The utility model relates to the technical field of food processing equipment, in particular to a fish meat freezing and fresh-keeping device which comprises a freezing machine box, a heat preservation partition plate is fixedly installed on the other side in the freezing machine box, a refrigerating assembly is arranged on the outer side of the heat preservation partition plate, and a material supporting frame is fixedly installed on the end face of one side of the heat preservation partition plate. A material storage assembly is arranged between the material supporting frames, two material grooves are formed in one end of the freezing machine box, freezing box doors are fixedly installed on the outer sides of the two material grooves through hinges, an operation table plate is fixedly installed on the top end face of the freezing machine box, and a cleaning assembly is arranged at the top end of the operation table plate; when the fish meat freezing and fresh-keeping device is used, fish meat can be placed on the surfaces of the storage racks with different sizes according to storage requirements, so that the freezing and storage convenience is improved; moreover, the fish meat is suspended, so that the contact effect between the fish meat and cold air can be improved, and the cooling and fresh-keeping quality of the fish meat can be improved.

A water outlet device of the present invention comprises: an ice-making evaporator to which refrigerant having passed through a compressor, a condenser, and an expansion valve flows in, and which is provided to cool down purified water filled in an ice-making tray; and a freezing evaporator to which the refrigerant having passed through the ice-making evaporator flows in, and which is provided to freeze and store ices stored in an ice bank.

To provide a heating cooker capable of shortening cooking time in heating cooking of an object to be cooked before freezing.SOLUTION: The heating cooker 1 includes a pot 5 for storing an object to be cooked, a pot heater 8 for heating the pot 5, a pressure control valve 16 capable of adjusting pressure in the pot 5, and a button display part B6 and a touch panel 35 of "freezing storage" for selecting a cooking course for freezing for performing heating cooking for freezing after cooking or a cooking course for non-freezing for performing heating cooking for other purposes in automatic cooking of a specific menu. When a cooking course for freezing is selected, the time of a decompression process for decompressing the inside of a pot 5 from a pressure exceeding the atmospheric pressure to the atmospheric pressure is shorter than the time of the decompression process of a cooking course for non-freezing.SELECTED DRAWING: Figure 5

When the storage basket is secured to the underside of the lid by a fastening mechanism, the storage basket will not fall even if it detaches from the underside of the lid. [Solution] The liquid freezing device 10 comprises a freezing tank 20 having an opening 20a on its upper surface and freezing the object to be frozen with antifreeze stored inside, a lid 23 that can open and close the opening 20a on the upper surface of the freezing tank 20, and a storage basket 30 fixed to the lower surface of the lid 23 by a fixing means 38 and capable of storing the object to be frozen. The storage basket 30 can be moved between a position where it is immersed in the antifreeze in the freezing tank 20 and a position where it is separated above the liquid surface of the antifreeze in the freezing tank 20 by moving the lid 23 up and down. A fall prevention member 40 is provided on the lower surface of the lid 23 to prevent the storage basket 30 from falling when it becomes detached from the fixing means 38.

The invention provides a deep-frying processing technology for making tiger skin chicken feet from fresh chicken feet, which comprises the following steps: S1, pretreatment: before processing, firstly putting the fresh chicken feet into a refrigerator or a refrigeration house for freezing and frosting; before each time of processing, the chicken feet are taken out and washed with flowing water to be unfrozen; after unfreezing, water is added again to cover the chicken feet; s2, bleaching and coloring: mixing 1 part of water with 0.01 part of bleaching agent, and adding 0.5 part of chicken feet. According to the deep-frying processing technology for making the tiger skin chicken feet from the fresh chicken feet, through freezing frosting and precise unfreezing technologies, the cell structure of the fresh chicken feet is prevented from being damaged, the problems of water loss and rough taste caused by freezing storage of traditional frozen chicken feet are solved, and the original fresh and tender texture of the fresh chicken feet is reserved.

A water dispensing device of the present invention comprises: a filter unit for receiving raw water so as to remove foreign material; an ice-making tray, which is filled with purified water generated by means of the filter unit and can rotate around a rotary shaft; an ice bank, which is disposed below the ice-making tray so as to store ice separated from the ice-making tray; a compressor; a condenser; an expansion valve; and a cooling means including an ice-making evaporator into which a refrigerant that has passed through the expansion valve flows and which is for cooling the purified water filled in the ice-making tray, and a freezing evaporator into which the refrigerant that has passed through the expansion valve flows and which is for frozen storage of the ice stored in the ice bank.

The invention relates to the technical field of food processing, in particular to a method for assisting long-term frozen storage and unfreezing of prefabricated meat based on an electrostatic field. The method comprises the following steps: pretreatment: cutting fresh beef, and pickling; pre-cooking is performed; cooking the pickled beef until the central temperature is 50 DEG C; cooling is performed; sealing the cooked beef with a sealing bag, and placing the sealed beef in a freezing chamber at-38 DEG C until the central temperature is reduced to-18 DEG C; freezing and storing; and transferring the quick-frozen prefabricated beef into a freezing chamber at-18 DEG C, and applying a high-voltage electrostatic field for long-term freezing. According to the invention, through the synergistic cooperation of a specific freezing storage mode and a corresponding unfreezing method, the juice loss in the unfreezing and cooking processes after long-term freezing storage is greatly reduced, and through the synergistic combination of pickling, low temperature, high humidity, segmented temperature control and a low-voltage electrostatic field and the evidence of experimental data, the product quality is improved. And extremely low unfreezing loss, excellent water-retaining property, nutrition and safety indexes can be realized after long-time frozen storage.

The utility model relates to the field of freezing devices for embryo storage, in particular to a freezing device for embryo storage convenient to take, which comprises a freezing storage device body, a plurality of lifting cylinder assemblies are arranged in the freezing storage device body at equal intervals, and T-shaped fixing blocks are arranged at the tops of the lifting cylinder assemblies. An auxiliary taking assembly is arranged outside the top end of the freezing storage device body and comprises an annular guide rail, a limiting sliding block is slidably arranged in the annular guide rail, and a movable seat assembly is vertically and fixedly mounted at the top of the limiting sliding block; according to the device, the lifting cylinder assembly in the freezing storage device is taken out through the auxiliary taking assembly in an auxiliary mode, the whole taking-out process is convenient and fast, meanwhile, the stability in the taking-out process is ensured, the frostbite risk caused by the fact that an operator makes direct contact with the lifting cylinder is avoided, and the safety in the taking-out process of the lifting cylinder assembly is improved.

The invention provides a split type low-temperature protective agent constant-temperature loading system, and belongs to the technical field of low-temperature preservation, the split type low-temperature protective agent constant-temperature loading system comprises a refrigeration system located below a super clean bench and a loading device located in the super clean bench, and the refrigeration system comprises a refrigeration module, a control module, a temperature acquisition module and a power supply module which cooperate with one another; the loading device comprises a constant-temperature loading table arranged in the magnetic protection cover, the constant-temperature loading table comprises a loading table body and an anti-frosting cover, a heat exchange structure of the refrigeration module is attached to the outer bottom face of the loading table body, and the anti-frosting cover surrounds the loading table body and the heat exchange structure. The anti-frosting cover and the loading table are provided with a plurality of placement holes which are matched and attached to each other and are used for placing biological sample containers. The heat exchange structure is connected with the refrigeration module through a split type connecting pipeline, and the loading system controls the refrigeration module through the control module to realize a loading mode and a constant-temperature incubation mode. The loading system disclosed by the invention can realize precise temperature-controlled loading of the cryopreservation liquid, and meanwhile, the permeation and toxic damage of the cryopreservation liquid to a biological sample are reduced.

The invention discloses a breast milk storage device and relates to the field of baby nursing. Four wheels are assembled at the bottom of a base, a freezing storage box is fixed to the base, a refrigeration storage box is connected to the upper portion of the freezing storage box through a heat insulation layer, a normal-temperature storage box is connected to the upper portion of the refrigeration storage box through a heat insulation layer, and a water injection opening is formed in the top of the normal-temperature storage box; a water outlet communicated with the normal-temperature drawer is formed in the side part; the two sets of refrigerating devices are assembled in the refrigeration storage box and the freezing storage box correspondingly. Compared with the prior art, the breast milk storage device has the advantages that multi-layer and multi-temperature storage options are provided, and breast milk storage requirements of different time periods and different storage requirements are met; (2) a perfect temperature monitoring and alarming system can reflect the temperature condition of the storage environment in real time; (3) the drawer opening and closing state recording system can effectively track the storing and taking history of breast milk bags; and (4) the device is reasonable in design, compact in structure, convenient to move and easy to clean and maintain.

The invention discloses a cryopreservation container capable of adjusting internal air pressure, and mainly relates to the technical field of cryopreservation. Comprising a partition plate and a cover plate which are arranged on the refrigerator, a plurality of notches and through holes communicated with the notches and the outside are formed in the partition plate, protruding plates making contact with the notches are arranged at the ends of a pipe body, a pipe cover makes contact with the cover plate, the protruding plates partition circulation of a freezing cavity and the through holes, and a storage cavity communicated with the through holes is formed in the pipe body. A piston is slidably connected into the storage cavity, a push rod is arranged on one side of the piston, the push rod extends to the outer side of the pipe body and is provided with a push plate, a push block is slidably connected to the refrigerator, grooves are formed in the push block, the upper side and the lower side of the push plate make contact with the grooves respectively, and a cam driving the push block to move in the transverse direction is rotatably connected to the refrigerator. The cryopreservation tube has the beneficial effects that the problem that the air pressure in the cryopreservation tube is changed due to external temperature change is solved, the sublimation phenomenon in the cryopreservation process is reduced, and the sample cryopreservation effect is improved.

The utility model relates to the technical field of storage boxes, in particular to a freezing storage box with an antibacterial coating, which not only reduces the loss of cold air when the box is opened, saves electric energy, but also reduces the air flow exchange between the outside and the box when the box is opened, and ensures the cleanness in the box. Comprising a freezing mechanism; the device further comprises a driving mechanism, a conveying mechanism, a loading mechanism, a transferring mechanism and a sealing mechanism, the driving mechanism is installed on the freezing mechanism and drives the conveying mechanism to rotate, the conveying mechanism is installed on the driving mechanism and drives the loading mechanism to move, and the loading mechanism is installed on the conveying mechanism and loads samples. The transferring mechanism is installed on the freezing mechanism and transfers the loading mechanism, and the sealing mechanism is installed on the freezing mechanism and reduces cold air loss.

A water dispensing device according to the present invention comprises: a body unit having a space unit formed therein, and having an at least partially opened front surface; an ice-making tray disposed inside the body unit and filled with purified water for making ice; an ice bank disposed inside the body unit and disposed below the ice-making tray to store ice separated from the ice-making tray; an auger disposed inside the ice bank to transfer the ice to the outside of the ice bank while rotating; a compressor; a condenser; an expansion valve; an ice-making evaporator into which a refrigerant having passed through the expansion valve is introduced, and which is provided to cool the purified water filled in the ice-making tray; and a freezing evaporator into which the refrigerant having passed through the expansion valve is introduced, and which is provided to store the ice, stored in the ice bank, in a frozen state.

The invention relates to the technical field of quick-frozen steamed stuffed bun production, in particular to a quick-frozen steamed stuffed bun production technology which comprises a storehouse and a steamed stuffed bun conveying line, the storehouse is divided into a normal temperature area, a low temperature area, a freezing storage area and a quick freezing area through a first partition plate, a second partition plate and a third partition plate in sequence, steamed stuffed buns are placed on a steamed stuffed bun conveying line, and the steamed stuffed buns on the steamed stuffed bun conveying line sequentially pass through a normal-temperature area, a low-temperature area, a freezing storage area, a quick-freezing area, a freezing storage area, a low-temperature area and a freezing storage area. According to the technology, through linkage of multiple temperature zones, the steamed stuffed bun conveying line can complete continuous operation from high-temperature cooling to low-temperature quick freezing in the same closed environment, the energy consumption and pollution risks caused by multiple times of transfer and temperature zone switching in a traditional technology are avoided, and due to natural flowing of low-temperature airflow between different temperature zones, gradient transfer of heat is achieved, and the energy consumption of the steamed stuffed bun conveying line is reduced. And the dissipated cold air can be fully utilized.