45results about How to "No frostbite" patented technology

The invention discloses a pickling oil coating device for an adjustable guide rail, comprising a device body, a handle fixed on the device body, a top trolley connecting piece fixed with the device body and a pair of side trolley connecting pieces. A top coating trolley which is in rolling contact with the top working face of the guide rail is arranged on the top trolley connecting piece; a side coating trolley which is in rolling contact with two side working face of the guide rail is arranged respectively on the pair of side trolley connecting pieces. The adjustable guide rail pickling oil coating device can simultaneously coat pickling oil to three working faces of the guide rail, thus reducing the labor intensity of workers, improving the efficiency of coating pickling oil, reducing production cost and being good for the health of operation workers.

The invention provides a refrigerator and a control method thereof. The refrigerator comprises a refrigeration chamber, a refrigeration system, an air channel, a fan, an air door and a controller, wherein the refrigeration system provides cold energy for the refrigeration chamber, the air channel and the fan conveys the cold energy generated by the refrigeration system into the refrigeration chamber, and the air door is arranged at the part, close to the refrigeration chamber, of the air channel. The refrigeration system comprises a compressor, a condenser, a throttling device and an evaporator, wherein the compressor, the condenser, the throttling device and the evaporator are sequentially connected. The refrigeration chamber has a cold storage mode and a freezing mode. The refrigerator further comprises a regenerator, a first temperature sensor and a second temperature sensor, wherein the regenerator is arranged close to the evaporator or located in the air channel, the first temperature sensor is used for sensing the temperature of the regenerator and the second temperature sensor is arranged in the refrigeration chamber and used for sensing the temperature of the refrigeration chamber. When the refrigeration chamber is in the cold storage mode, the process that the compressor is started to provide the cold energy for the regenerator and the process that the regenerator provides the cold energy for the refrigeration chamber are carried out alternately, and therefore the beneficial effect of preserving freshness and protecting food against frost damage can be realized.

The invention relates to a method for grafting mulberries in cold regions. The main problem influencing mulberry farming and silkworm rearing in northern areas is the mulberry breeding in winter. At present, grandifoliate mulberries which can survive below the temperature of 20 DEG are not available so silkworm breeding industries in the northern areas have larger restrictions, and tussahs are bred in only a few areas. The process of the invention comprises the following steps of: (1) breeding wild mulberry seeds in northeast cold regions, selecting and using well-developed seeding roots having no freezing injury and cold injury as cold resistance root stocks, and adopting mulberry shoots subjected to three times of winter training as scion to graft; (2) putting the grafted mulberry seeding into the environment with the temperature of 22-25 DEG temperature and the humidity of 75% to carry out seeding germination; (3) moving seeding stocks successfully germinated into fertilized nursery bases to plant, wherein three million seeding stocks are planted in the nursery base per mu by keeping the line spacing of 25 cm and the row spacing of 3-5 cm, and covering the seeding stocks by plastic films for 20-30 days; (4) and performing nursery base weeding and field management for about one year. The method can be used for breeding the mulberries with strong cold resistance.

The invention relates to a method for inducing a chill-proof Aglaonema spp polyploidy, relating to an Aglaonema spp breeding technology, which comprises the following steps of: inducing cluster buds, colchicine treating, carrying out low-temperature treatment, propagating variation plants, identifying the polyploidy, rooting and transplanting, wherein after being subjected to five generations of propagation, the variation plants are subjected to polyploidy detection, thus, the proportion of a chimera can be effectively reduced; the stems of the polyploidy plants are thickened and stunted in comparison with common stems, thus, the shapes are more attractive; the polyploidy plants have the chill-proof property and can resist 5 DEG C without cold injury; the temperature increasing cost of a greenhouse in winter is reduced; and the economical benefit is greatly increased.

The invention discloses a dried persimmon and a cold chain treatment method for making the dried persimmon. The procedures are that: 1. processing of the dried persimmon: persimmons are processed into the dried persimmon of which water content is 28 to 43 percent; 2. quickly freeze: the processed dried persimmon is quickly frozen at the environment of temperature 30 to 35 DEG C below zero and wind speed 3 to 5 m/s; 3. storage: the quickly frozen dried persimmon is stored under the environment temperature of 12 to 22 DEG C below zero; 4. transport: the dried persimmon is transported under the environment temperature of 18 to 15 DEG C below zero; 5. sale: the dried persimmon is sold under the environment temperature of 12 to 22 DEG C below zero. The water content of the dried persimmon made according to the cold chain treatment method is kept between 28 to 43 percent, as a result of which the dried persimmon has a beautiful shape, does not have or only have little evenly distributed powder on the surface and has soft texture, the dried persimmon fresh is delicious and has a special taste and acerbity back rate is extremely low; in addition, under the freezing condition of temperature 18 to 22 DEG C below zero and humidity 85 to 95percent, the dried persimmon containing high water content has more than one-year guarantee period.

The invention discloses a method for manufacturing a cleaning cloth wringing device. The device comprises a container, a squeezing device upper layer and a squeezing device lower layer, wherein the squeezing device lower layer is fixed in the container; the squeezing device upper layer is arranged on the squeezing device lower layer; the squeezing device lower layer is provided with holes; the squeezing device upper layer is connected with a squeezing rod; and the squeezing rod is connected with a handle. A manufacturing process of the device comprises the following steps of: 1, manufacturing the container, wherein the internal diameter of the upper part of the container is greater than the internal diameter of the lower part of the container; 2, punching the holes on the squeezing device lower layer and placing the squeezing device lower layer in the container; 3, fixing the squeezing rod in the center of the squeezing device upper layer; and 4, fixing the handle at the upper end of the squeezing rod through a threaded structure. Compared with the prior art, the method has the advantages that: cleaning cloth is not required to be contacted in the cleaning cloth wringing process in the method using the structure, so that hands can be protected from being frostbitten; meanwhile, waste water which is obtained by wringing the cleaning cloth is stored and can be recycled to save resources.

The present invention relates to a kind of electrically-warmed hat. It includes hat body and brim, on the positions of said hat body which are correspondent to the human ears the earflaps are set, the earflaps and hat body have multilayer structure, the outermost layer of said multilayer structure is reflective material layer, its interior is heat-insulating material layer, intermediate layer is electric heating layer and innermost layer also is heat-insulating material layer, and on the hat body opposite to the brim a battery box with electro thermal switch is mounted.

The invention discloses a dried persimmon and a cold-chain treatment method thereof. The method includes the steps: 1) dried persimmon processing: processing a persimmon into a dried persimmon with water content of 28-43%; 2) quick-freezing: quick-freezing the processed dried persimmon at the temperature of minus 30-minus 35 DEG C and at the air speed of 3-5m/s; 3) storage: transferring the quick-frozen dried persimmon, and storing the transferred dried persimmon at the temperature of minus 12-minus 22 DEG C; 4) transportation: transporting the dried persimmon at the temperature of minus 18-minus 15 DEG C; 5) selling: selling the dried persimmon at the temperature of minus 12-minus 22 DEG C. After the dried persimmon is treated by the cold-chain treatment method, the water content of the dried persimmon is 28-43%, the dried persimmon is elegant in appearance, soft in texture, unique in taste and low in acerbity returning rate, the surface of the dried persimmon does not have frost or has slight and uniform persimmon frost, pulp is fine and refreshing, and the shelf life of the dried persimmon with high water content reaches one year or more when the dried persimmon is refrigeratedat the temperature of -18 to -22 DEG C at the humidity of 85-95%.

The invention relates to the field of fire fighting, in particular to a fire fighting truck using liquid nitrogen as a fire fighting agent, the fire fighting truck comprises a motorcycle chassis, a rear truck box and a cab, the rear truck box and the cab are both arranged on the motorcycle chassis, and a liquid nitrogen storage tank, a liquid nitrogen reel, a liquid nitrogen spray gun and a driving bottle group are arranged in the rear truck box; the liquid nitrogen storage tank is placed on the front portion of the rear carriage, the liquid nitrogen reel is arranged on one side of the rear portion of the rear carriage, the driving bottle set is arranged on the other side of the rear portion of the rear carriage, and the liquid nitrogen spray gun is fixed to the rear portion of the metal support. The device has the beneficial effects that liquid nitrogen is used as a fire-fighting agent, the device has the characteristics of high efficiency and good effect, the size of storage equipment needed in the fire-fighting agent transportation process is reduced, the size of the fire-fighting truck is conveniently reduced, the fire-fighting truck can quickly respond to fire hazards, and the fire-fighting truck can shuttle in narrow streets.

The invention provides a handheld dry ice filling device. The handheld dry ice filling device comprises a filling bucket, a heat exchanger arranged in the filling bucket and a handle fixedly connectedto the filling bucket; the filling bucket is provided with a liquid inlet pipeline and a jetting opening, a throttling channel and multiple cooling and heat-exchange channels are axially formed in the heat exchanger, the cooling and heat-exchange channels are sequentially connected end to end, the cooling and heat-exchange channel in the head end is communicated with the liquid inlet pipeline, and the cooling and heat-exchange channel in the tail end is communicated with the throttling channel; an outlet of the throttling channel is communicated with the jetting opening, the throttling channel is internally provided with a throttling device, and liquid carbon dioxide enters the cooling and heat-exchange channels via the liquid inlet pipeline, and is jetted out from the jetting opening after flowing through the throttling channel to be converted into dry ice. The handheld dry ice filling device is convenient to use, the cost is reduced, and the coolant filling efficiency is improved.

The invention discloses an ozone oxidation and cracking excitation combined flue gas desulphurization denitration integrated apparatus and method. The apparatus comprises an ozone source, an oxidation reactor, a cracking excitation apparatus, a washing tower and a sewage treatment unit. Ozone generated from the ozone source is sent to the oxidation reactor, together with flue gas; extremely strong oxidizability of ozone is utilized to oxidize about half of NO to NO2; the cracking excitation apparatus can excite internal energy of almost all molecules; the activated molecules are conveyed to the washing tower and convert NOx in flue gas to nitrite and nitrate; SO2 is converted to sulfite and sulfate; and produced wastewater is conveyed to the sewage treatment unit for treatment, an alkaline circulation solution is refluxed to the washing tower for cyclic utilization, and clean air is externally exhausted. The desulphurization denitration efficiency is high, no nitrogenous wastewater or solid waste is generated, and the phenomenon of ammonia escape doesn't happen. The apparatus is good in safety, high in automation degree, good in temperature controllability, and saved in cost.

The invention discloses a long-distance transportation device and a long-distance transportation method for juvenile pteria penguin, and relates to the field of shellfish transportation. The long-distance transportation device comprises a heat preservation box, a partition plate, a cushion layer and a box cover. According to the long-distance transportation device and the long-distance transportation method for the juvenile pteria penguin, long-distance transportation is achieved through the simple device. The cushion layer is arranged at the bottom of a first cavity, so that shellfish is prevented from death due to long-time contact with cold seawater; a cooling substance is placed in a second cavity, so that the temperature of the heat preservation box is reduced; and by means of the partition plate with holes, cold air in the second cavity can enter the first cavity, and the situation that cold injury is caused after the cold air makes contact with the shellfish is avoided. Therefore, the transportation device and the transportation method have the advantages of being large in loading capacity, low in cost and convenient to use.

The invention provides a wart freezing and cutting device for the dermatology department. The wart freezing and cutting device solves the problem that no special instrument integrating wart freezing and stripping exists at present. Comprising a barrel, a liquid nitrogen ring is fixed to the top of the barrel, a pressing valve located in the barrel is connected to the bottom of the liquid nitrogen ring, a freezing device slides in the barrel, and a cutting device is connected to the bottom end of the barrel; the cutting device comprises a cutting ring connected to the bottom end of the barrel, an inclined groove ring is coaxially fixed in the cutting ring, a plurality of cutting inclined grooves are formed in the top face of the inclined groove ring, cutting sliding blocks are arranged in the cutting inclined grooves in a sliding mode, cutting blades are fixed to the tops of the cutting sliding blocks, and a cutting driving ring located above the multiple cutting blades is coaxially arranged in the cutting ring in a rotating mode. And a plurality of cutting driving chutes which are distributed circumferentially penetrate through the cutting driving ring, and the top of each cutting blade is fixedly connected with a cutting driving pin which is located in one cutting driving chute. According to the wart cutting device, the multiple cutting blades located above the clamping plates are opened and closed, so that the roots of warts are cut.

The invention discloses a changeable and washable anti-shedding rubber glove for kitchen use, which comprises: finger parts, palm parts, sleeve parts and cleaning sponges, and finger adhesive tapes and cleaning sponges are respectively arranged on the finger parts , the cleaning sponge is bonded with the finger adhesive tape through the sponge adhesive tape, and a warm fleece layer is respectively arranged on the inner side of the finger part, the palm part and the sleeve part, and the sleeve part and the palm part are connected. A first elastic band is provided on one end of the connection, and a second elastic band is provided on the other end of the sleeve portion. The advantages are: simple structure, more convenient to use, the sponge brush is directly set on the glove, no need to go to other places to get it, during use, it is easy to wear, and it is not easy to slip after adding the elastic band, which can effectively prevent water from entering the glove middle.