5results about How to "Efficient liquefaction" patented technology

The invention discloses a heat compensation type carbon dioxide mixed working medium energy storage system with a cascade heat storage function. The heat compensation type carbon dioxide mixed working medium energy storage system at least comprises a cascade heat storage subsystem, a carbon dioxide mixed working medium energy storage subsystem and a heat compensation subsystem. The cascade heat storage subsystem comprises a plurality of stages of heat storage units with different temperatures, each stage comprises a heat storage heat exchanger, a high-temperature heat storage medium storage tank and a low-temperature heat storage medium storage tank, and heat energy utilization is optimized. The carbon dioxide mixed working medium energy storage subsystem comprises a high-pressure storage tank, a low-pressure storage tank, a compressor unit and an expansion unit, and efficient compression in the energy storage stage and efficient expansion in the energy release stage are achieved. The heat compensation subsystem is arranged between the highest-temperature-stage heat storage unit and the expansion unit, heat compensation is conducted on the carbon dioxide mixed working medium through the photo-thermal subsystem and / or industrial waste heat, the temperature of the carbon dioxide mixed working medium is increased, and the circulation efficiency of the system is improved. In addition, the system further comprises a waste steam recovery subsystem, and the evaporation efficiency and the energy utilization efficiency are further improved through high-temperature waste steam exhausted by the turbine.

The present application provides a liquefaction combination product for viscous biological samples, a nucleic acid amplification system, a nucleic acid detection system, a processing method and applications. The liquefaction combination product comprises a component a and further comprises or does not comprise a component b; the component a is an aqueous solution I or a mother liquor of the aqueous solution I comprising the following components: acetylcysteine 3% to 15% (w / v), sodium chloride 20 mM to 500 mM, potassium chloride 50 mM to 120 mM and 50 to 1000 mM strong base, calculated as monobasic base; the component b is citric acid or an aqueous solution thereof. Through the synergistic effect of the above components, the liquefaction combination product can directly and quickly fully liquefy the viscous biological sample at room temperature, can avoid the sample pollution problem caused by aerosol generated by heating, and does not need to perform complex steps such as heating. The sample processed by the liquefaction combination product can stably store nucleic acid, and can realize extraction-free amplification and extraction-free detection.

The invention relates to a heat exchange system for precooling carbon dioxide with liquid ammonia and a control method. The heat exchange system for precooling carbon dioxide with liquid ammonia comprises a carbon dioxide precooling mechanism, a liquid ammonia heat exchange mechanism and a liquid ammonia storage mechanism; a first liquid ammonia input end of the carbon dioxide precooling mechanism is connected to a first liquid ammonia output end of the liquid ammonia heat exchange mechanism, a second liquid ammonia input end of the carbon dioxide precooling mechanism and a liquid ammonia output end of the carbon dioxide precooling mechanism are connected to the first liquid ammonia input end of the liquid ammonia heat exchange mechanism, the first liquid ammonia input end of the liquid ammonia heat exchange mechanism is connected to the liquid ammonia output end of the carbon dioxide precooling mechanism, and the second liquid ammonia input end of the liquid ammonia heat exchange mechanism is connected to the liquid ammonia output end of the liquid ammonia storage mechanism. By reasonably recycling the cold energy of liquid ammonia, energy consumption is effectively reduced, energy utilization efficiency is improved, and efficient cooling and liquefaction of carbon dioxide are achieved through multi-stage heat exchange, providing a more efficient and energy-saving solution for the decarbonization process of a power plant.

The utility model belongs to gas -liquid separation field relates to a kind of silicon carbide vapor-liquid separation anti-entrainment heat exchanger, a kind of silicon carbide vapor-liquid separation anti-entrainment heat exchanger, including separation cavity, its characterized in that, the bottom of one end of the separation cavity is fixedly connected with feed pipe, the upper side of the other end of the separation cavity is fixedly connected with discharge pipe, the separation cavity connects water cooling component, for the water in liquefied silicon carbide gas body, the separation cavity is also connected with centrifugal component, for the water after liquefaction is thrown to the inner wall of the separation cavity and is discharged from the feed port.

The utility model relates to the technical field of energy storage, and provides a liquid carbon dioxide energy storage system. The utility model provides a liquid carbon dioxide energy storage system. The liquid carbon dioxide energy storage system comprises a charging storage tank, at least one compressor, a first liquefying device, a discharging storage tank, a power generation device and a second liquefying device, the charging storage tank can store low-pressure liquid carbon dioxide; the first liquefying device can liquefy carbon dioxide; the discharge storage tank can store low-pressure liquid carbon dioxide; the second liquefying device can liquefy carbon dioxide. The utility model provides a carbon dioxide energy storage system which is used for solving the technical problem that in the prior art, the occupied area for storing carbon dioxide gas at normal temperature and normal pressure is large.