33results about How to "Extended refrigeration time" patented technology

The invention discloses a cold chain transportation refrigerator based on phase change refrigeration. The refrigerator comprises a refrigerator body, a box cover, a main cold storage plate, a heat insulation pulling plate and a plug, wherein a metal partition is arranged at the lower part, a standby interlayer is arranged below the metal partition, a standby cold storage plate is arranged in the standby interlayer, and a top placing groove and a bottom placing groove are also formed in the top and the bottom of the standby interlayer; the box cover covers the refrigerator body and is also connected with the refrigerator body through lock catches; the main cold storage plate is arranged on the lower surface of the box cover and comprises a cold storage agent filling box and a refrigerant, aplurality of outward bulging cold storage cells are arranged at the bottom of the cold storage agent filling box and communicated with the inside of the cold storage agent filling box, and the refrigerant is placed in the cold storage agent filling box and the cold storage cells; the heat insulation pulling plate and the plug are connected through a connecting plate. According to the cold chain transportation refrigerator, the target temperature can be quickly reached, the space occupancy rate is low, and refrigeration time can also be prolonged.

The invention belongs to the technical field of packaging boxes and particularly relates to a reusable low-temperature packaging box. The reusable low-temperature packaging box comprises a top cover,an outer box body, a reaction module, a freezing cover and a freezing box body. In the using process of the packaging box, firstly, two first freezing plates and two second freezing plates of the freezing box body are folded, so that the size of the freezing box body is reduced; and then, the freezing box body can be put into a refrigerator for freezing treatment. The two first freezing plates andthe two second freezing plates of the freezing box body are folded, so that the occupied space of the freezing box body is reduced, and the freezing box body can be frozen conveniently; meanwhile, bymeans of the reaction module, after the freezing box body and a freezing medium in the freezing cover are molten, the reaction module is triggered through the size change of the freezing medium, so that substances located at the positions, at the two sides of an isolating plate, inside a shell of the reaction module are in contact with each other for a chemical reaction; heat of the freezing medium in the freezing box body and the freezing cover is absorbed, so that the freezing medium is refrozen; and the refrigerating time of the packaging box is prolonged.

The embodiment of the invention provides a slow-release cold accumulation system and a slow-release cold accumulation bag. The slow-release cold accumulation system comprises a slow-release system anda cold accumulation system, the slow-release system comprises a slow-release agent and a refrigerant dispersed in the slow-release agent, and the freezing point temperature of the slow-release agentis higher than that of the cold accumulation system. Due to the fact that the freezing point between the slow-release system and the cold accumulation system has temperature difference, when the environment temperature rises, due to the fact that the freezing point of the cold accumulation system is lower than that of the slow-release system, the cold accumulation system is firstly melted, and cancontinuously absorb environment heat in the melting process, so the cooling and cold accumulation effects are achieved. When the temperature rises to the freezing point temperature of the slow-release system, the slow-release system begins to be melted, and at the moment, the refrigerant dispersed in the slow-release system makes contact with the molten cold accumulation system to generate an endothermic reaction, so that environmental heat is further absorbed, and finally, the continuous cooling and cold accumulation effects are achieved. Compared with ice bags in the prior art, excessive instant temperature drop caused by dissolution and heat absorption can be prevented, and the refrigeration time is effectively prolonged.

The invention belongs to the technical field of packaging boxes, and particularly relates to a packaging box. The packaging box comprises a top cover, an outer box body, a reaction module and a storage box body. In the use process of the packaging box, a frozen shell needs to be subjected to freezing treatment, when the frozen shell is subjected to refrigeration treatment, frozen media in four frozen blocks are prevented from flowing back into the frozen shell, then the four frozen blocks are pressed into a group to be placed on the frozen shell, the space occupied by a refrigerator when the frozen shell is frozen is reduced, and freezing of the frozen shell is facilitated; meanwhile, in the design of the reaction module, in the process of refrigerating objects in the storage box body, ifthe frozen media in the frozen shell and the frozen media in the frozen blocks are melted in a heat absorption mode, the reaction module is triggered through the change of the volume of the frozen media, so that the substances in the shell of the reaction module located on the two sides of an isolation plate are in contact with each other to generate a chemical reaction, the frozen media in the frozen shell and the frozen media in the frozen block can be frozen again; and the refrigerating time of the packaging box is prolonged.

The invention provides a method for preserving plusia agnata staudinger eggs, and belongs to the technical field of insect breeding. Produced eggs within 24 hours are taken, placed into a closed container and are buried by silica sand, the container is filled with mixed gas of nitrogen, oxygen and carbon dioxide, and the container is closed. The temperature of the container is decreased to range from 2 DEGC to 4 DEG C at the speed ranging from 4 DEG C / h to 5 DEG C / h, and refrigerating is carried out. The temperature of the container is increased to range from 6 DEG C to 8 DEG C at the speed ranging from 8 DEG C / h to 1.2 DEG C / h, and preserving gas is removed and placed in the air. The temperature of the container is continuously increased to range from 10 DEG C to 12 DEG C at the speed ranging from 8 DEG C / h to 1.2 DEG C / h, and the silicon sand is removed. The temperature of the container is continuously increased to the normal temperature at the speed ranging from 8 DEG C / h to 1.2 DEG C / h, and the humidity is maintained to range from 70% to 80%, and normal hatching can be carried out. According to the method for preserving the plusia agnata staudinger eggs, under the low temperature ranging from 2 DEG C to 4 DEG C, the refrigerating time of the plusia agnata staudinger eggs can be increased to 120 days, the rejuvenation probability in the artificial breeding process is greatly decreased, the refrigerated eggs can be hatched according to needs, and the producing, regulating and controlling capacity is greatly improved.

The invention belongs to the technical field of packaging boxes, and particularly relates to a packaging box with long refrigeration time. The packaging box comprises a top cover, an outer box body, a reaction module and a storage box body. In the using process of the packaging box, firstly, freezing treatment needs to be carried out on a freezing shell, when the freezing shell designed by the invention is subjected to freezing treatment, a frozen medium in four freezing blocks flows back into the freezing shell, and then the four freezing blocks are pressed into a ball to be placed on the freezing shell, so that the space, occupied by the freezing shell during freezing, of a refrigerator is reduced, and freezing of the freezing shell is facilitated; and meanwhile, according to the designed reaction module, in the process of refrigerating articles in the storage box body, after the frozen medium in the freezing shell and the freezing blocks absorbs heat to be melted, the reaction module is triggered through the change of the volume of the frozen medium, substances, located at two sides of a partition plate, in a shell of the reaction module are in contact to generate chemical reaction, and the frozen medium in the freezing shell and the freezing blocks absorbs heat to be frozen again, so that the refrigeration time of the packaging box is prolonged.

The invention relates to a method for collecting and storing eggs in the mass rearing process of tea geometrid and belongs to the technical field of insect rearing. The method comprises the following steps: 1, carrying out mass rearing of larvae of tea geometrid; 2, collecting pupae of tea geometrid; 3, enabling adults of tea geometrid to lay eggs and collecting the eggs; 4, carrying out cold storage of the eggs of tea geometrid. The method has the following benefits that 1, the method is rapid, simple and convenient to take the eggs, has high efficiency, is particularly suitable for the mass rearing of tea geometrid and omits the steps of adult pairing, making of egg laying strips and the like in an existing method, the adults are reared in a centralized manner, the adults directly lay the eggs on white paper, the method is very convenient to carry out egg taking operation and is time-saving and labor-saving, meanwhile, a small number of appliances are used and the rearing space is saved; 2, the egg cold storage time is prolonged by adopting a method of moisturizing in a refrigerating bottle, the egg retention period of the method is prolonged to 20 days from 15 days before and is prolonged by 5 days relative to that of a conventional cold storage method, rearing batches in the mass rearing process of tea geometrid can be increased, and the total rearing number is increased.

The invention provides a method for prolonging the storage time of Aenasius bambawalei Hayat and application thereof, and belongs to the technical field of low-temperature storage of insects. According to the method for prolonging the storage time of the Aenasius bambawalei Hayat, provided by the invention, the Aenasius bambawalei Hayat is subjected to low-temperature domestication and then is subjected to cold storage. According to the method disclosed by the invention, low-temperature domestication is adopted to pre-treat the Aenasius bambawalei Hayat, so that the Aenasius bambawalei Hayat is in a development stagnation state, the cold resistance of the Aenasius bambawalei Hayat is improved, the low-temperature storage time of the Aenasius bambawalei Hayat is remarkably prolonged, and a technical support is provided for improving the application potential of the Aenasius bambawalei Hayat. Results of the embodiment show that according to the method provided by the invention, the refrigeration time of the Aenasius bambawalei Hayat can be prolonged to 80 days, the survival rate and reproductive capacity of the Aenasius bambawalei Hayat are not influenced, and the life of female bees of the Aenasius bambawalei Hayat can be remarkably prolonged.

The invention belongs to the technical field of packaging boxes, and in particular relates to a packaging box, which includes a top cover, an outer box body, a reaction module, and a storage box body. The freezing shell designed by the invention reverses the freezing medium in the four freezing blocks into the freezing shell when it is frozen, and then presses the four freezing blocks into a ball and puts them on the freezing shell to reduce the freezing time of the freezing shell. Occupy the space of the refrigerator, which is convenient for the freezing of the freezing shell; at the same time, the reaction module designed in the present invention, in the process of refrigerating the items in the storage box, if the freezing medium in the freezing shell and the freezing block absorbs heat and melts, the freezing medium The change in volume triggers the reaction module, so that the material on both sides of the isolation plate in the housing of the reaction module contacts and undergoes a chemical reaction, absorbing heat from the freezing medium in the freezing shell and the freezing block to make it freeze again; improving the refrigerating time of the packaging box.

The invention provides a refrigerated container with the evenly-distributed temperature. A container body with an opening formed in the top end is provided with a heat insulation layer, a cover body is installed at the top end of the container body, and a sealing plug is fixedly installed at the bottom end of the cover body; when the container body is covered with the cover body, the sealing plug extends downwards into the container body, and the edge of the sealing plug is tightly attached to the inner wall of the container body to prevent heat exchange caused by ventilation; a first connecting piece and a second connecting piece are arranged on the positions, corresponding to each other, of the container body and the cover body to fix the cover body, rotary shafts are installed on the left side wall and the right side wall of the container body correspondingly, and fan blades are installed on the rotary shafts; the rotary shafts are in electric connection with a fan driving button installed outside the container body, a plurality of evenly-distributed fixed parts are installed at the bottom end of the container body, and the bottom end of a cool-storage plate is provided with fixed end heads being matched with the fixed parts; and a plurality of through holes are formed in the cool-storage plate, a temperature probe is installed in the container body, and the temperature probe is in electric connection with a temperature displayer installed outside the container body. The refrigerated container with the evenly-distributed temperature has the beneficial effects that the temperature in the refrigerated container is evenly distributed, and the cold-keeping time is long.

The invention belongs to the technical field of packaging boxes, and in particular relates to a reusable low-temperature packaging box, which includes a top cover, an outer box body, a reaction module, a freezing cover, and a freezing box body. The two first freezing plates and the two second freezing plates of the box body are folded, so that the occupied volume of the freezing box body becomes smaller, and then the freezing box body can be placed in the refrigerator, and the freezing box body is subjected to freezing treatment. The two first freezing plates and the two second freezing plates are folded to reduce the occupied space of the freezing box and facilitate the freezing of the freezing box; at the same time, the reaction module designed in the present invention melts the freezing medium in the freezing box and the freezing cover Finally, the reaction module is triggered by the change of the volume of the freezing medium, so that the material on both sides of the isolation plate in the housing of the reaction module contacts and undergoes a chemical reaction, absorbing heat from the freezing medium in the freezing box and the freezing cover to make it freeze again, improving the Refrigeration time of the box.

The invention provides a daylily processing, refrigerating and storing device, and relates to the field of daylily storing devices. The daylily processing, refrigerating and storing device comprises adevice main body, a refrigerator is fixedly connected to the inner top of the device main body, a plurality of mounting grooves are formed in the two inner side walls of the device main body, a supporting plate is arranged in the device main body, and a sliding rail is arranged on the lower surface of the supporting plate; cantilevers are fixedly connected to the positions, located on the two sides of the sliding rail, of the lower surface of the supporting plate, screw rods are rotatably connected between the cantilevers through bearings, sliding blocks are connected to the positions, closeto the two ends, of the outer surfaces of the screw rods in a threaded mode, and a pressing plate is arranged above the supporting plate. By means of the multifunctional structural design of the device, when the device is used, daylily can be refrigerated and packaged more conveniently, the time required for repeatedly transferring products in the operation process can be greatly shortened, and the operation efficiency can be further improved.

The invention discloses a low-temperature pipe body storage device, belongs to the technical field of cooling and freezing, and particularly relates to the low-temperature pipe body storage device with temperature indicating and automatic fixing functions. The low-temperature pipe body storage device comprises a heat conduction metal block, a sliding cover, metal cold blocks, a heat insulation box, a temperature indicating device and the like; and the heat conduction metal block is a metal hollow shell structure, a plurality of working holes used for installing pipe fittings are evenly formed in the heat conduction metal block, the sliding cover is movably installed on the heat conduction metal block, pipe bodies can be reliably fixed through the repulsion effect of magnetic force, the pipe bodies are prevented from sliding off, the metal cold blocks make close contact through the magnetic force effect, and the temperature of the heat conduction metal block is visually managed through the temperature indicating device. Compared with an existing ice box, an existing low-temperature work station and an existing heat preservation box, the low-temperature pipe body storage device has a novel pipe body fixing mode and is convenient and reliable to use; in addition, the detachable metal cold blocks can greatly prolong the low-temperature time; and the technical problem that the working state of the traditional ice box is difficult to estimate can be solved by combining the temperature indicating device.

The embodiments of the present invention provide a slow-release cold storage system and a slow-release cold storage bag. The slow-release cold storage system includes a slow-release system and a cool-storage system. The slow-release system includes a slow-release agent and a refrigerant dispersed in the slow-release agent. The freezing point temperature of the release agent is higher than the freezing point temperature of the cold storage system. Due to the temperature difference between the freezing point of the slow-release system and the cold storage system, when the ambient temperature rises, the cold storage system will melt first because the freezing point of the cold storage system is lower than that of the slow-release system. role. When the temperature rises to the freezing point of the slow-release system, the slow-release system begins to melt. At this time, the refrigerant dispersed in the slow-release system contacts with the melted cold storage system to undergo an endothermic reaction, thereby further absorbing environmental heat, and finally With the effect of continuous cooling and cold storage, compared with the ice packs in the prior art, it can prevent the temperature from melting and absorbing heat to cause an excessive instantaneous drop in temperature, and effectively prolong the refrigeration time.

The invention discloses a cold-storage ice bag. The main liquid inlet channel and the main air inlet channel are located at the two ends of the outer membrane transversely, and there are multiple liquid storage chambers, hollow mold cavities and air storage chambers, all of which are arranged longitudinally on the liquid inlet main channel. Between the passage and the main inlet passage, and the two sides of each hollow cavity are respectively connected in parallel with the liquid storage chamber and the gas storage chamber. The chamber is connected to the main air intake channel through a one-way air intake branch channel; the cool storage agent includes water, potassium nitrate, sodium chloride, konjac fine powder, polyvinyl alcohol and borax. The invention discloses a cool-storage ice pack, which has both cold-storage effect and buffering effect, and can prevent frozen food or products from being mechanically damaged; the cool-storage agent in the invention is jelly-like at normal temperature, making it difficult for cold-storage food or products to be polluted by the cool-storage agent The cold storage agent in the present invention has a higher phase change potential and a lower phase change temperature, and the cold storage time is long, and at the same time, it can avoid the thermal damage of the refrigerated food or product.