9 results about "Absorption refrigerator" patented technology

The application provides a RH vacuum refining furnace production waste heat recovery system and method, wherein the waste heat recovery system recovers the tail gas waste heat in the production process of the RH vacuum refining furnace through a gas extraction pipeline heat exchanger and a vacuum pump heat recovery mechanism, produces high-temperature hot water, fully recovers the production tail gas waste heat, then introduces the high-temperature hot water into an absorption refrigerating unit to produce cold water, and uses the generated cold water as cooling water in the operation process of the RH steam jet vacuum pump, thereby reducing the steam consumption and water consumption of the steam jet pump. The recovered hot water is recovered in different water pools according to different temperatures, and is used in stages, so that the recovery is more reasonable and the efficiency is higher. The recovered hot water with a lower temperature is introduced into a user heating system, the production waste heat of the RH refining furnace is fully utilized, and the energy consumption and cost of user heating are reduced; the cold water generated by the absorption refrigerating unit is collected in a cold water pool, the generated cold water is fully utilized to provide air conditioning refrigeration services, and the energy consumption of air conditioning is reduced.

The present disclosure relates to an absorption chiller. The absorption chiller of the present disclosure comprises: an evaporator for evaporating a refrigerant; an absorber in which the refrigerant evaporated in the evaporator is mixed with an absorbent to produce an absorbent liquid; a regenerator for heating the absorbent liquid supplied from the absorber; and a condenser to which the refrigerant produced in the regenerator is supplied. The absorber comprises: a plurality of heat transfer tubes arranged in an up-and-down direction to form a plurality of stages; and a plurality of intermediate distributors disposed between the plurality of heat transfer tubes. The plurality of intermediate distributors may divide the plurality of heat transfer tubes into a plurality of tube groups arranged in a certain number of stages.

The application discloses a kind of mine goaf geothermal energy storage collaborative working face cooling system and control method, the system utilizes underground goaf to set goaf energy storage unit, the geothermal energy of geothermal exploitation well is used as the driving heat source of absorption refrigeration unit, coupling high-temperature heat pump unit waste heat recovery, goaf energy storage unit carries out energy storage, and multi-stage heat exchange unit carries out energy distribution, and geothermal energy is driven absorption refrigeration unit refrigeration by primary heat exchange module, working face is cooled by original mine air conditioning chilled water pipe network, geothermal tail water is heated by the waste heat of high-temperature heat pump unit by multi-stage heat exchange and completes heating, and is stored in heat storage goaf for system peak shaving, high-temperature heat pump unit recovers the gushing waste heat of working face gushing main pipe and stores in cold storage goaf to compensate cold, geothermal recharging well absorbs system waste heat, renewable energy is simultaneously absorbed, the cascade utilization of geothermal energy, gushing waste heat, goaf energy storage and working face cooling depth collaboration is realized.

The application discloses a kind of optimization configuration methods of carbon neutralization energy system considering climate change, first obtain the weather data of initial year to target year and cold, heat and electric load demand, considering the influence of climate change on energy system load and considering the efficiency change of electric energy generation unit, thermal power generation, photovoltaic, solar collector, wind power generation, electric refrigerator and absorption refrigerator under climate change, finally a kind of carbon neutralization energy system considering climate change is presented.The application can realize the "carbon neutralization" goal of energy system, can evaluate the cost required to improve for an energy system to complete carbon neutralization under climate change, the application finds: in order to complete the carbon neutralization goal before 2060, carbon neutralization energy system needs to improve 2% cost, carbon neutralization every 10 years realizes, system needs to improve 1% operating cost more, but at the same time, 9.1% carbon dioxide emissions will be reduced.

The utility model relates to four combined supply cold and heat source unit technical field discloses a four combined supply cold and heat source unit, including internal combustion engine, the top fixed coupling of internal combustion engine has into combustion pipeline, the right side intercommunication of internal combustion engine has generator, the top fixed coupling of generator has distribution cabinet, the rear end fixed coupling of internal combustion engine has double -pass waste heat pipe, double -pass waste heat pipe rear end connection has absorption type refrigerator, the top fixed coupling of absorption type refrigerator has cooling tower, the right side fixed coupling of double -pass waste heat pipe has waste heat hot water boiler, the front end provided with water storage tank of waste heat hot water boiler. The utility model discloses through the rotatable lever and be convenient for staff to check the water source condition inside water storage tank at any time, judge whether the water quality is up to the standard, clean the impurity in time, simultaneously, can directly view the degree of contamination of filter plate, replace filter plate quickly and conveniently.

This invention discloses a comprehensive data center power supply and cooling system based on flow batteries and immersion liquid cooling. It includes a cascaded heat exchange and waste heat utilization technology that utilizes heat exchange between the cooling medium and electrolyte, power supply through electrolyte redox reactions, recovery of waste heat from the electrolyte by an absorption chiller, and deep cooling of the cooling medium by cooling water. This is combined with temperature control technology using multiple temperature sensors to monitor and control the pump valves intelligently, and with complementary power supply technology between the flow battery and the external power grid. This achieves coordinated control of power supply and cooling, improves overall energy utilization, ensures long-term stable system operation, and reduces dependence on the external power grid. This invention solves the technical problems of low heat dissipation efficiency, lack of cascaded waste heat recovery, independent power supply and cooling systems, low energy utilization, and poor operational stability in traditional data centers.

This ensures the necessary cooling for hydrogen absorption by the hydrogen carrier while reducing energy losses associated with hydrogen absorption. [Solution] The electrolytic system comprises an electrolytic module including a solid oxide electrolytic cell, a hydrogen absorption / discharge unit that cools a hydrogen carrier to absorb hydrogen and heats the hydrogen carrier to release hydrogen, a water vapor supply line, a recovery line that recovers hydrogen contained in the exhaust gas discharged from the hydrogen electrode to the hydrogen absorption / discharge unit, a gas-liquid separation unit provided in the recovery line that cools the exhaust gas by heat exchange with a coolant to separate the gas and liquid, a first cooling heat exchange unit provided in the hydrogen absorption / discharge unit that cools the hydrogen carrier by heat exchange with a coolant, an absorption chiller, and a coolant circulation line that circulates the coolant so that it passes through the evaporator of the absorption chiller, the gas-liquid separation unit, and the hydrogen absorption / discharge unit in that order.

The application relates to the technical field of clean energy, and particularly provides a prefabricated modular data center energy comprehensive utilization method and device based on hydrogen energy, which is uniformly controlled by a central energy management system; hydrogen is released through a solid hydrogen storage unit, heated through waste heat of a medium-temperature loop of a heat management module, then enters a hydrogen fuel cell unit, direct-current electricity is generated through electrochemical reaction, and stable alternating-current electricity is output after inversion, load requirements of prefabricated data center IT modules are preferentially met, extra oxygen is collected and purified by an oxygen collection module, water vapor generated through reaction is stored in a water storage tank after condensation, part of the water vapor is used for water supply of a humidification system of the prefabricated data center IT modules, and the other part is used for water supply of an absorption refrigerating machine; high-temperature tail gas discharged from the hydrogen fuel cell unit enters a tail gas power generation unit to generate electricity for the second time, after electricity generation, the tail gas temperature is reduced to 120-150 DEG C, and the tail gas is sent into a plate heat exchanger of the heat management module as a heat source. Compared with the prior art, the application can make the data center operate efficiently and with low carbon emission, and resources can be recycled.