40results about How to "Reduce frostbite" patented technology

The invention relates to a quick freezing device, in particular to a tunnel-type liquid nitrogenquick freezing machine, and solves the technical problems of serious liquid nitrogen leakage and high liquid nitrogen consumption of an existing liquid nitrogen quick freezing machine. The tunnel-type liquid nitrogen quick freezing machine comprises a tunnel-type freezing chamber and a surrounding-type conveying mesh belt in the freezing chamber, wherein liquid nitrogen plugging devices are arranged at the feeding end and discharging end of the freezing chamber respectively; each liquid nitrogen plugging device comprises an air box arranged at the top of the conveying mesh belt; an air inlet channel is formed in the top of the air box; an air blowing hole is formed in the bottom of the air box; the air box is hermetically fixed with a top plate and two side walls of the freezing chamber; an air inlet communicated with the air inlet channel of the air box is formed in the top plate of the freezing chamber; a fan is arranged on the air inlet; the width of the air blowing hole is the same as that of the freezing chamber; a material conveying hole is formed between the air blowing hole and the conveying mesh belt. Due to the adoption of the liquid nitrogen quick freezing machine, the liquid nitrogen consumption can be reduced by 40-50% and the quick freezing cost is greatly reduced in comparison with a liquid nitrogen quick freezing machine without the plugging devices.

The invention relates to the field of garden planting, in particular to a multifunctional tree seedling planting car for garden planting. The multifunctional tree seedling planting car for garden planting achieves the technical purposes that mechanical hole digging can be performed, the hole digging efficiency is improved, tree seedlings can be whitened while tree seedlings are planted, and cold injuries caused to tree seedlings by the large temperature difference between the day and the night are reduced. The multifunctional tree seedling planting car for garden planting comprises a movable wheel, a supporting frame, an installing frame, a hole digging drill, a driving component, a soil wetting component, a rotating component and the like; the supporting frame is fixedly connected to theouter wall of the installing frame; the movable wheel is fixedly connected to the bottom of the supporting frame; the driving component is fixedly connected to the outer top face of the installing frame and communicated with the interior of the installing frame; the soil wetting component is fixedly connected to the outer top face of the installing frame and communicated with the interior of the installing frame. The multifunctional tree seedling planting car for garden planting achieves the effects that mechanical hole digging can be performed, the hole digging efficiency is improved, tree seedlings can be whitened while tree seedlings are planted, and cold injuries caused to tree seedlings by the large temperature difference between the day and the night are reduced.

The invention discloses a multifunctional double-control faucet, which includes a water outlet pipe, a main valve, a cold branch pipe, a hot branch pipe, a temperature sensor, a processing controller, a hand dryer including a heating wire, a blower and a shell, a solenoid valve for the cold branch pipe and As for the solenoid valve of the hot branch pipe, the casing is arranged above the water outlet pipe. The invention has a simple structure. The hot water supply of the faucet is realized through the set cold branch pipe and the hot branch pipe, and the temperature of the outlet water is monitored in real time through a temperature sensor, so as to realize the multifunctional automatic control of the outlet water temperature. At the same time, a hand dryer is set on the outlet pipe to realize In addition to multi-functionality, the design of the faucet is more humanized, easy to use and comfortable.

The invention discloses a preparation method for a tree trunk whitening agent, and belongs to the technical field of agricultural material preparation. The preparation method for the tree trunk whitening agent comprises the following steps: first, sealing and fermenting bean curd, chilli powder, nutmeg powder and the like, filtering, collecting fermentation liquor, and mixing the fermentation liquor and sterile water, saccharose, citric acid and the like; then, performing constant temperature culture on a mixture, and mixing and fermenting with the plants, such as herba portulacae and chrysanthemum; sterilizing by utilizing ultraviolet light; collecting a fermented mixture, pulping, and performing centrifugal treatment with activated carbon; concentrating the obtained supernatant, and stirring uniformly with the supernatant, quick lime, hydroxymethyl cellulose and the like; finally, collecting the mixture, and performing sterilizing and disinfecting to obtain the tree trunk whitening agent. The tree trunk whitening agent prepared with the preparation method is purely white in colour and high in covering property; by adding the substances with high adhesive force and good film forming property, all of the adhesive property, the film forming property and the rainwater erosion resistance of the whitening agent can achieve a lasting effect; meanwhile, the whitening agent does not peel off easily after being used, has a relatively good heat preserving effect and a pest and disease damage preventing effect, is required to be applied only once, and has an excellent application prospect.

The invention discloses body wash capable of releasing far-infrared rays and preserving moisture and a preparation method for the body wash. The body wash capable of releasing the far-infrared rays and preserving the moisture is prepared from the following raw materials in parts by weight: 7.5-10 parts of natural plant low-temperature extract, 3-5.5 parts of softener, 13-16 parts of biological surfactant, 1.5-3.5 parts of biomass charred granules, 1.5-3.5 parts of lubricant and 63-74 parts of solvent. The body wash capable of releasing the far-infrared rays and preserving the moisture, disclosed by the invention, employs a variety of natural biological environment-friendly ingredients as main raw materials, is moderate, skin-friendly, clean and efficient, is long-acting and remarkable in moisturizing effect, further has the additional healthcare function of releasing the far-infrared rays and shows a multieffect-integrated application value.

The invention discloses a method for reducing the death rate of lambs in winter. The method is characterized by comprising the following steps: (1) feeding ewes in winter and preparing concentrated feed for feeding the ewes; feeding the ewes with the concentrated feed twice every day and feeding 270g to 320g of the concentrated feed once, so as to increase nutrient absorption of the ewes; (2) carrying out sterilization treatment; carrying out the sterilization treatment on a sheep house and sheep dung by utilizing 160ppm sodium hypochlorite and bleaching powder at the weight ratio of 1 to 4; (3) breeding born lambs; when the ewes give birth to the lambs, transferring the ewes to a delivering room; after the lambs are born, wiping the lambs with 75% alcohol to carry out sterilization and transferring the lambs to a breeding room for breeding; before the lambs are taken away from the breeding room, reducing a temperature through two phases so as to enable the lambs to be adapted to an external environment better; and (4) carrying out final-period management, regulating the inner temperature of the sheep house and cleaning and sterilizing the sheep house at a fixed period.

The invention discloses a preparation method of a biomass lotion capable of releasing far infrared rays and a product thereof. The biomass lotion capable of releasing the far infrared rays is preparedfrom the following raw materials in parts by weight: 9 to 11.5 parts of biomass anti-freezing extract, 4 to 6.5 parts of softener, 13 to 18 parts of biomass humectant, 0.5 to 3 parts of bio-based cured particles, 1 to 2.5 parts of natural vitamin and 88.5 to 102.5 parts of solvent. The biomass lotion capable of releasing the far infrared rays takes various natural bio-based environment-friendly components as main raw materials, is mild, skin-friendly, rapid in absorption and long-acting and remarkable in moisturizing effect, further has an additional health-care function of releasing the farinfrared rays, and is suitable for all skin groups to use in cold weather in winter.

The invention discloses an intelligent control vibration constant-temperature cold therapy rehabilitation wearable device which is characterized in that the intelligent control vibration constant-temperature cold therapy rehabilitation wearable device comprises a control box; a cooling assembly is arranged in the control box, a cooling bag is arranged outside the control box, the cooling assembly and the cooling bag are in backflow connection through a hose, and cooling liquid with the freezing point ranging from -14 DEG C to -5 DEG C is arranged in the cooling bag; a temperature detecting element and a heating element are arranged in the cooling bag, an intelligent temperature control host for controlling the stable temperature of the cooling bag is arranged in the control box, and the cooling assembly, the temperature detecting element and the heating element are all electrically connected to the intelligent temperature control host; the vibration assembly is mounted on the outer wall of the cooling bag; and constant-temperature control is conducted on cooling liquid in the cooling bag, the cooling bag is made to conduct lasting constant-temperature cold therapy on a to-be-recovered part, and the treatment effect of cold therapy can be greatly improved.

The invention discloses an automatic control hot and cold dual-control faucet, which comprises a water outlet pipe, a main valve, a cold branch pipe, a hot branch pipe, a temperature sensor, a processing controller, a solenoid valve of the cold branch pipe and a solenoid valve of the hot branch pipe, and the temperature sensor is arranged in the water outlet pipe , the processing controller is connected to the temperature sensor and arranged outside the water outlet pipe, the solenoid valves of the cold branch pipe and the hot branch pipe are correspondingly arranged on the cold branch pipe and the hot branch pipe and connected to the processing controller, and the cold branch pipe and the hot branch pipe are connected to the main valve of the water inlet. The invention has a simple structure, realizes the hot water supply of the faucet through the set cold branch pipe and the hot branch pipe, and monitors the outlet water temperature in real time through the temperature sensor, thereby realizing the automatic control of the outlet water temperature, convenient to use and good in comfort.

The invention discloses a fabricated type concrete foundation and an installation method of the fabricated type concrete foundation. The fabricated type concrete foundation comprises a base, two base boards and a foundation stand column. A convex block is arranged at the center of the base. The convex block is in a regular polygon shape. The center of one side of each base board is provided with a notch. The two base boards are spliced and fixed to the upper end of the base through bolts. The shape of the two spliced base boards is matched with that of the base. The shape of the spliced notches is matched with that of the convex block of the base. The lower end of the foundation stand column is a hollow cylinder. The foundation stand column is arranged on the convex block of the base in a sleeved manner through the hollow cylinder located at the lower end of the foundation stand column and fixed to the base boards through bolts. The inner circle of the hollow cylinder is externally tangent to the convex block. A pouring hole is formed in the hollow cylinder and communicates with the hollow portion inside the hollow cylinder. According to the fabricated type concrete foundation, the base boards and the foundation stand column are located through the convex block arranged at the center of the base, all the bolts are convenient to align at the same time, installation is more convenient and accurate, and the damage to screw threads of the bolts is avoided.

The invention discloses a liquid gasifying device and a gasifying method thereof and belongs to the field of energy chemical industry. The liquid gasifying device comprises a shell, multiple heat medium nozzles and a heat medium distribution pipe net. The shell is provided with an inner cavity. The inner cavity is used for containing a steel bottle and a heat medium enabling liquid contained in the steel bottle to be gasified. The shell is provided with a shell opening used for placing and taking out the steel bottle. The multiple heat medium nozzles are arranged on the shell and used for injecting the heat medium into the inner cavity of the shell. The heat medium distribution pipe net communicates with the multiple heat medium nozzles and are used for transferring the heat medium to the multiple heat medium nozzles and controlling the injection amount and the injection speed of the multiple heat medium nozzles. The liquid gasifying device and the gasifying method thereof have the beneficial effects of being capable of improving use efficiency of the heat medium and gasifying efficiency of liquid, being capable of reducing frost damage to a pipeline and equipment from liquid, and thus prolonging the service life of the equipment. The liquid gasifying device and the gasifying method thereof improve responsiveness and precision of liquid to temperature in the gasifying process.

The invention relates to a preparation method for a rat mild hypothermia animal model. The preparation method comprises the steps as follows: placing a rat into a ventilated rat cage, placing the rat cage into a low temperature environment of 4 DEG C, placing an ice bag outside the rat cage for auxiliary cooling, and continuously monitoring the change of the anal temperature of the rat based on the target temperature of 33 plus or minus 0.5 DEG C; and when the anal temperature is lower than the lowest limit of 32.5 DEG C, moving away the ice bag or placing the rat and the rat cage into a room temperature environment, and when the anal temperature is higher than the highest limit of 33.5 DEG C, moving the rat cage to the low temperature environment of 4 DEG C, and carrying out auxiliary cooling through the ice bag. The invention further provides the rat mild hypothermia animal model and an application thereof. The invention has the advantages as follows: the target temperature is quickly reached; the body temperature fluctuation range is small; the rat skin freezing injury is reduced; and the blood sugar is controlled to be in a normal range.

The invention discloses a fresh cut flower internal absorption antifreeze agent which is prepared from S-abscisic acid, ethanol, citric acid, Tween-20 and water. A preparation method of the fresh cut flower internal absorption antifreeze agent comprises the following steps: weighing the raw materials according to the proportion; mixing the weighed S-abscisic acid and ethyl alcohol to obtain a bacteriostatic agent; adding the weighed water into a measuring cup, and then adding the weighed citric acid to obtain a first mixed solution; adding the weighed Tween-20 into the first mixed solution to obtain a second mixed solution; and adding the prepared bacteriostatic agent into the second mixed solution to obtain the internal absorption antifreeze agent for the fresh cut flowers. The use method of the fresh cut flower internal absorption antifreeze agent comprises the following steps: preparing the fresh cut flower internal absorption antifreeze agent by using a maintenance bucket; putting the cut flowers into a maintenance bucket to absorb water; fishing out the cut flowers, draining, and placing in a refrigeration house; and then taking out the bouquet from the refrigeration house and delivering the bouquet. The internal absorption antifreeze agent for the fresh cut flowers can effectively promote the antifreeze capability of the cut flowers at low temperature, reduce the probability of frostbite of the cut flowers and promote the recovery of the cut flowers after frostbite.

The invention discloses heatable air humidifying equipment for garden cultivation and planting, and belongs to the technical field of garden planting. The heatable air humidifying equipment comprisesa bearing plate, wherein a high-pressure water pump is mounted on one side of the upper surface of the bearing plate, the water outlet end of the high-pressure water pump is fixedly connected with oneend of a transverse pipe, and the transverse pipe is mounted on the upper surface of the bearing plate through supporting frames; a plurality of lower pipes fixedly communicate with the side wall ofthe transverse pipe, each lower pipe is rotationally connected with an upper pipe through a rotating mechanism, an annular pipe fixedly communicates with the upper end of each upper pipe, and a plurality of atomizing nozzles are mounted on the peripheral wall of each annular pipe; and telescopic rods are fixedly connected to the four corners of the lower surface of the bearing plate, the lower ends of the telescopic rods are fixedly connected to the upper surface of a bottom plate, and a water tank is fixedly connected to the upper surface of the bottom plate. The oxygen content of water in the water tank is increased, the oxygen content in air can be increased after the water in the water tank is sprayed out, and therefore, growth of plants needing oxygen is accelerated.