The Ever-growing Applications of Liquid Nitrogen Generators in Modern World
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- Jude
- Issue Time
- Dec 30,2024
Summary
Liquid nitrogen generator is a small equipment for efficient on site produce of liquid nitrogen, which is widely used in various applications.
The Ever-growing Applications of Liquid Nitrogen Generators in Modern World
Liquid nitrogen generator is a small equipment for efficient on site produce of liquid nitrogen, which is widely used in scientific research, medical treatment, food industry and electronic manufacturing.
Compared with the traditional liquid nitrogen supply mode, the liquid nitrogen generator has several advantages: the equipment occupies small area, easy to use, does not rely on external transportation, and significantly reduces the risk of liquid nitrogen storage and transportation. In addition, its intelligent operation and energy consumption optimization design can continuously provide high-purity liquid nitrogen to meet the needs of multiple scenarios. Especially in today's cost-effective and environmentally friendly world, liquid nitrogen generators have become an important equipment for modern laboratory and industrial applications.
Animal Husbandry
· Animal semen cryopreservation: the ultra-low temperature environment of liquid nitrogen can keep animal semen active for a long time, such as cattle, pigs, sheep and other livestock. Excellent breeds of male sperm, in the liquid nitrogen of -196 °C, sperm metabolism almost stopped, its vitality and fertilization ability can be effectively maintained, so as to achieve long-term storage and long-distance transportation for artificial insemination and promotes the excellent breeds of animal husbandry.
· Animal embryo cryopreservation: Mammalian embryos can be stored in liquid nitrogen for a long time, which is of great significance for the improvement and efficient reproduction of livestock.
· Animal vaccine storage: Some animal vaccines need to be stored at extremely low temperatures to maintain their activity and effect, and the deep-low temperature environment of liquid nitrogen can meet this requirement, ensure the stable storage of vaccines so as to effectively prevent the occurrence of animal diseases and improve the production efficiency and animal health level of the farm.
· Biological sample management: In animal husbandry scientific research, liquid nitrogen can be used to preserve animal tissues, cells, genes and other biological samples, providing important basic conditions for the protection of animal genetic resources, disease diagnosis and research, reproductive medicine, etc., helping to carry out in-depth research on animal genetics, physiology, pathology and other aspects, and promoting the scientific and technological progress of animal husbandry.
· Frozen meat processing: In the process of animal slaughtering and processing, the use of liquid nitrogen to cool and freeze meat products to reduce the damage of ice crystals to cells, so as to maintain the texture, taste and nutrients of meat, prolong the shelf life of meat. It can also effectively inhibit the growth of bacteria, ensuring that consumer with fresh and safe meat.
· Packaging: For meat, dairy products and other livestock products, LN2 generator is used for modified atmosphere packaging to produce high-purity nitrogen, reduce the oxygen content thereby preventing oxidation and bacterial growth and improving the market competitiveness of the livestock product.
· Disease treatment: Liquid nitrogen can be used to treat some animal diseases, such as the treatment of cow nipple nipple hole closure of the external orifice, livestock skin tumors, etc.
· Animal Labeling: Labeling animals with a liquid nitrogen low-temperature iron does not pose a risk of pain, bleeding or infection compared to traditional hot iron labeling.
Medical
· ENT diseases: There are also many applications in eye, ear, nose and throat, such as chronic hypertrophic rhinitis and allergic rhinitis, after nasal surface anesthesia, the surface of the lower turbinate is rubbed with liquid nitrogen, so that it freezes to form a scar, resulting in the shrinkage of the inferior turbinate, so as to achieve the purpose of nasal ventilation; It can also be used for hemostasis of nosebleeds, adults spray the bleeding directly with liquid nitrogen, and children often use cotton swabs dipped in liquid nitrogen to contact the bleeding area, so that the mucosa and capillary wall of the frozen part are necrotic, and the blood flow is stagnant, so as to achieve the purpose of hemostasis; In addition, for tonsillitis, chronic hypertrophic pharyngitis, laryngeal papilloma, etc., liquid nitrogen spraying cryotherapy is used to destroy the adenoid tissue in the lateral cord of the posterior pharyngeal wall through freezing, so as to achieve the purpose of treatment.
· Cryotherapy: In dermatology, oncology and other departments, liquid nitrogen can be used to remove diseased tissues on the surface of the skin, such as warts, moles, etc., and can also be used for cryotherapy of some cancers, destroying the diseased cell structure through low temperature.
· Biological sample preservation: The ultra-low temperature environment of liquid nitrogen can keep cells, tissues, genes and other biological samples active for a long time, and is often used in medical research, disease diagnosis, reproductive medicine and other fields. For example, the preservation of embryos, sperm, eggs, stem cells, etc., provides an important guarantee for reproductive technology such as IVF, and also lays the foundation for long-term research on various biological samples in medical research.
· Organ preservation: In organ transplantation, liquid nitrogen can be used to preserve donor organs, prolong the preservation time of organs, maintain the viability and functional integrity of organs, improve the success rate of organ transplantation, buy more time for patients waiting for transplantation, and increase the availability of suitable donors.
· Cryogenic surgery and treatment instruments: Liquid nitrogen can provide refrigeration for some medical equipment and surgeries that require a low temperature environment, such as some minimally invasive surgical instruments, cryotherapy probes, etc., to ensure that these devices operate normally at low temperatures to achieve specific treatment effects, while helping to reduce tissue damage and bleeding, and promote postoperative recovery of patients.
· Drug development and manufacturing: In the drug development process, liquid nitrogen cryogenic technology can be used to preserve drug samples and prepare stable drug formulations, helping researchers to better control the nature and quality of drugs. In the biopharmaceutical industry, liquid nitrogen can also be used to preserve and transport biologics, guarantee their activity and quality, and ensure the stability and effectiveness of the drug during production, storage, and transportation.
· Pain and inflammation relief: Studies have shown that liquid nitrogen can play an analgesic, anti-inflammatory, muscle spasm relief and other effects in some cases, and can also reduce blood pressure, dilate blood vessels, increase blood flow in the treatment of cardiovascular diseases, etc., but these applications are relatively novel, and more research and clinical practice are needed to further verify and improve its therapeutic mechanism and effect.
Scientific Researching
· Materials science research: The properties of many materials will change significantly at low temperatures, and liquid nitrogen generators can provide the required low temperature environment for materials science research, which can be used to study the physical and chemical properties of superconducting materials, magnetic materials, polymer materials, etc. at low temperatures, and help scientists explore the properties and application prospects of new materials.
· Biological research: In addition to the preservation of biological samples, liquid nitrogen is also widely used in biological experiments such as cell freezing and fragmentation, protein crystallization, etc., which is helpful for in-depth study of the structure and function of biomolecules.
· Physics research: In the fields of superconducting physics and quantum physics, the extremely low temperature environment of liquid nitrogen is one of the basic conditions for carrying out related experiments and research, such as observing the superconductivity phenomenon of superconducting materials and studying the properties of qubits.
· Chemical research: In some chemical reactions, liquid nitrogen can be used as a coolant or reaction medium to control the temperature and rate of the reaction, and improve the selectivity and yield of the reaction; It can also be used to prepare certain compounds that are stable at low temperatures or to study the kinetics of chemical reactions at low temperatures.
Aerospace
· Propellant: Liquid nitrogen can be used as a propellant in certain space missions. Its low temperature and high density allow liquid nitrogen to release a large amount of energy when burned, providing strong power for the spacecraft to propel it into a predetermined orbit or complete complex flight missions.
· Cooling system: Liquid nitrogen plays an important role in the refrigeration system of aerospace vehicles. It can be used as a refrigerant to maintain a stable temperature inside the equipment. Whether on the ground or in space, liquid nitrogen can effectively control the temperature of aerospace vehicles, preventing equipment from being too high or too low to affect normal operation.
· Air supply: In the space environment, astronauts need to breathe nitrogen to sustain life activities. Liquid nitrogen is converted into nitrogen that astronauts can breathe through specific equipment and processes, thus ensuring their lives in space.
· Material testing: Liquid nitrogen can be used for the testing of aerospace materials, and researchers can study the performance changes of materials under extreme low temperature conditions, such as strength, toughness, conductivity, etc., by placing the material in liquid nitrogen, so as to provide a basis for the selection and application of aerospace materials.
Astronomical Observations
· Cooling telescope components: Some key components in the telescope, such as infrared detectors, superconducting magnets, etc., require liquid nitrogen cooling to ensure their performance. For infrared detectors, liquid nitrogen cooling can reduce the thermal noise of the detector and improve its ability to detect infrared radiation, so that it can more sensitively capture the infrared signals emitted by celestial objects. Superconducting magnets are used in some astronomical observation equipment to generate strong magnetic fields, and liquid nitrogen cooling helps to maintain the superconducting state and ensure the stability of the magnet's performance, so as to provide a stable magnetic field environment for related observations.
· Infrared astronomical observations: In infrared astronomy, liquid nitrogen cooling plays a crucial role. Due to the absorption of infrared radiation and its own thermal radiation in the earth's atmosphere, it will cause serious background noise interference to ground infrared astronomical observations. In order to reduce this interference, it is necessary to use a coolant such as liquid nitrogen to cool the infrared telescope and its detector to a very low temperature, so as to reduce the thermal radiation of the instrument itself, improve the observation accuracy and sensitivity of the infrared band, so as to better detect and study the infrared radiation characteristics of infrared objects, such as star-forming regions, planets, galaxies, etc.
Food Processing
· Rapid freezing: Liquid nitrogen can quickly reduce the temperature of food or beverages, so that the food can pass through the maximum ice crystal formation zone in a short time, reduce the damage of ice crystals to cells to retain the nutrients, taste and flavor of food to the greatest extent, and liquid nitrogen is also used in the frozen processing of fruits, vegetables, meat, seafood and other foods.
· Food preservation: Liquid nitrogen is widely used for food packaging, discharging the oxygen in the food packaging to prevent oxidation, mildew and insect pests, prolonging the shelf life of food and improving the quality and safety.
· Sterilization treatment: The low temperature environment of liquid nitrogen can kill some microorganisms, which can be used for the sterilization treatment of food to a certain extent, which helps to improve the hygienic quality of food.
Electronics
· Semiconductor manufacturing: Liquid nitrogen generator can provide high-purity liquid nitrogen for the semiconductor manufacturing process, which is used to cool and clean semiconductor materials and chips, prevent them from oxidation and contamination during the manufacturing process, and ensure the performance and reliability of products; It can also be used as a current-carrying medium to reduce the internal temperature of the system and improve production efficiency and product quality.
· Packaging and welding of electronic components: In the packaging and welding process of electronic components, the use of liquid nitrogen can provide an inert protective atmosphere to avoid the reaction of components with oxygen and moisture in the air, so as to improve the welding quality and product stability.
Industrial Production
· Metal processing and welding: In the process of metal processing, liquid nitrogen can be used for the rapid cooling of metals, control the micro structure and properties of metal materials, and improve the hardness, strength and wear resistance of metals; During the welding process, liquid nitrogen injection can quickly cool the welding part, reduce welding stress and deformation, and improve the welding quality.
· Petrochemical: In the process of petroleum refining, blanketing protection can prevent oxidation and deterioration of oil in contact with air; In catalytic reforming, hydrocracking and other processes, nitrogen can be used as a protective gas to prevent catalyst poisoning and failure, and improve refining efficiency. In addition, nitrogen can also be used in oil and gas pipeline purging, pressure testing and other projects.
· Other industrial applications: In glass manufacturing, rubber processing, plastic molding and other industrial production processes, liquid nitrogen can be used to cool molds, control reaction temperature, improve product quality, etc.; In some industrial waste gas treatments, liquid nitrogen can also be used as a cooling medium to help separate and recover useful components from the exhaust gases.