578 results about "Absorption refrigerator" patented technology

An absorption refrigerator (1) including a cabinet having outer walls (2, 3, 4, 5, 6) and at least one door (7, 8) encasing a low temperature storage compartment (9) and a higher temperature storage compartment (10), said compartments being essentially sealed from each other and separated by a partition wall (11), which partition wall is arranged inside the cabinet and generally perpendicular to a first wall (2) of said outer walls. The refrigerator further comprises an absorption refrigerating system including an evaporator tube (20), having a first section (21) for absorbing heat from the low temperature compartment and a second section (22) for absorbing heat from the higher temperature compartment, said second section being arranged downstream said first section. In order to reduce heat transfer into the cabinet through the outer walls, a major part of the first section is arranged generally in parallel with said partition wall.

A heat and electric power supply system includes a regenerative gas turbine and an adsorption refrigerator recovering exhaust heat of exhaust gas from the gas turbine and is provided with inlet air cooling equipment including a spray device for spraying cold water from the adsorption refrigerator into an air-intake port of the regenerative gas turbine and a humidifier effecting humidification by hot water injection from the refrigerator into a compressor delivery port of the regenerative gas turbine. The cooling by cold water and humidification by hot water injection are effected according to operational conditions.

The invention relates to micro distributed solar-driven combined cooling heating and power system belonging to field of energy technology. The invention includes: solar collection system, organic Rankine cycle thermal power generation system, adsorption refrigeration system, heating and hot water system, hot water distribution system, control system, secondary combustion device. The solar collection system is connected to the pipe of the hot water distribution and control system via the secondary combustion device, and the organic Rankine cycle thermal power generation system and the adsorption refrigeration system and the heating and hot water system are parallel connected to downstream of the hot water distribution and control system via pipes. The invention provides hot water by employing the vacuum tube solar water heater, and provides electricity by using ORC generation system, and provides cold water used by air conditioner and hot water by using the adsorption refrigeration system; the regulation and control on the hot water distribution system is user-oriented, and the system generates electricity, refrigerates, heats based on user requirement, and the system prepares the secondary combustion device to suffice the requirement when illumination is inadequate or user requirement is overlarge.

The invention is a kind of marine ammonia liquor absorption refrigerator which relates to technology field of refrigeration by excess heat. it is characterized in that making use of ship craft exhausting excess heat to heat generator full use of ammonia liquor; free ammonia and liquor flows into gas-liquid separator all together, the separated free ammonia containing water or moisture is partly purified by dephlegmator and condensates in the condensator; ammonia liquor evaporates in the casing evaporator and produces cold energy, cold free ammonia and marine ammonia which does not evaporate exchange heating the coil subcooler, and enters full liquid bubble absorber under gravity and differential pressure; free ammonia bubble is absorbed by dilute solution of marine ammonia from gas-liquid separator and cooled by solution heat exchanger , dense dilute solution of marine ammonia flows into marine ammonia tank and driven into full liquid generator by solution pump. The effect and benefit of the invention is that making use of excess heat can work under incline, swing and bump; it can save energy and protect environment, the operation cost is low, it is especially fit for refrigeration, ice-making and air- of different shipping.

The present invention relates to sorbants such as metal-organic frameworks (MOFs), covalent organic frameworks (COFs), porous aromatic frameworks (PAFs) or porous polymer networks (PPNs) for separations of gases or liquids, gas storage, cooling, and heating applications, including, but not limited to, adsorption chillers.

The invention is a microtype refrigerating system used in cooling computer chips, and its structure: a compressor is connected with a condenser, the condenser is connected with a capillary tube and an evaporator through a dry filter, the evaporator is connected with the compressor through a liquid separator to form a refrigerating loop; the evaporator is a single-stage or multistage evaporator connected in parallel, in series or in parallel and series on connection pipelines between the dry filter and separating tube, the capillary tube is connected on the preposed connection pipeline of each-stage evaporator; the compressor is vapour compression refrigerator, absorbing refrigerator, steam jet refrigerator, compressed air refrigerator, air vortex refrigerator or Stering refrigerator, Vuilleumier refrigerator or GM refrigerator, etc, where the refrigerating capacity is 10-2000W, and the input power is 10-400W, based on mechanical refrigeration and simultaneously actively cooling many heating parts in the computer, and suitable for the requirement of continuously upgrading the computer, and the whole system is small-sized and low-energy consumption, largely lowers the temperature, and has a compact structure, high reliability, and simple operation.

The invention belongs to the field of heating, ventilation and air conditioning technology application and relates to the indoor heat comfort degree regulation and systemic energy saving process, in particular to an all-weather solar energy supply system. The system is composed of a solar heat collection unit, an auxiliary heat source, a phase-change heat storage unit, a domestic hot water tank, an absorption refrigerator, a solid moisture adjustment device and a capillary tube air conditioning terminal. Other auxiliary devices include a solar heat collection circulating pump, an auxiliary heat source circulating pump, a heat storage circulating pump, a domestic hot water tank heating pump, an absorption refrigerator hot water circulating pump, an absorption refrigerator cold water circulating pump, a solid moisture adjustment device hot water circulating pump, a capillary tube air conditioning terminal circulating pump, an electrically-operated three-way regulating valve, four electrically-operated two-way valves and the like. By means of the system, solar energy resources are fully utilized, and the functions of saving energy and improving the indoor environment heat comfort degree are achieved.

The invention relates to a combined function method for realizing multiple functions of refrigeration and heating and the like. A tri-supply method for realizing refrigeration, heating and hot water supply of the invention integrates a solar-cooling-tube refrigerating system, a trans-critical CO2 heat-pump circulatory system and a hot water circulatory system. The combined function method of the invention, by combining a solar-cooling-tube absorption refrigerating system and a trans-critical CO2 heat-pump system and integrating the strength of the two independent system to recover the defects of each system, can meet the demands of refrigeration in summer and heat supply in winter as well as the demands of hot water supply all year round, and has not only great strength on environmental protection, but also promising potential of energy conservation. The combined function method, which integrates a heat-pump air-conditioner and a hot-water-supply system in one body, not only ensures the compact structure in the implementation of the whole method, but effectively increases utilization rate of equipment.

The invention relates to an adsorber element for a heat exchanger and an adsorption heat pump or adsorption refrigerator that contains at least one such adsorber element. The adsorber element includes a heat-conducting solid body and a sorption material for a vaporous adsorbate arranged on the surface of this solid body. A fluid-tight foil composite is arranged on the outer surface of the open-pore solid body, at least in the areas in which a contact with a heat transfer fluid is provided, wherein this adsorber element is embodied such that the heat exchange between the open-pore solid body and the heat transfer fluid can take place via the fluid-tight foil composite.

The invention relates to a wind light-electric heat gas conversion module based multi-energy storage device coordination system and method and belongs to the technical field of energy. The system comprises a wind light-electric heat gas conversion module, a control module, a absorption refrigerator, an absorption heat pump, a compression refrigerator, a compression heat pump, a heat storage device, a cold storage device and a pipeline solenoid valve. The method includes: calculating real-time output-input power ratio of the system; acquiring current reserve of the cold storage device and the heat storage device and predicted electric energy production of a hydrogen storage device; controlling a relay set and the wind light-electric heat gas conversion module to perform system regulation according to the real-time output-input relationship parameter ratio and storage condition of the cold storage device, the heat storage device and the hydrogen storage device; controlling the pipeline solenoid valve, the compression refrigerator and the compression heat pump to work according to the energy storage condition of the heat storage device and the cold storage device. Diversified working modes can be provided according to different requirements; reasonable utilization of energy can be guaranteed, and the system can keep high efficiency and flexibility.

The invention discloses an ammonia water absorption refrigerator for fishing boat aquatic products refrigerating and preserving utilizing diesel engine tail gas. The generator of the said invention is composed of shell and finned pipe bundle. Lower collector of the finned pipe bundle is inlet upper collector is outlet and connected separately with corresponding pipe mouths on rectifying tower; ripple silk net packing layer is set in the middle of the rectifying tower; a spray pipe for returns ammonia liquor is at the upper of the packing layer; ammonia outlet pipe at the top of the rectifying tower is connected with condenser; liquid trap in the condenser is connected with the rectifying tower spray pipe utilizing U-shape pipe; ammonia liquor outlet at the bottom of the condenser is connected with the evaporator via cooling device and expansion valve; the evaporator ammonia outlet is connected with absorber via cooling device; thick solution outlet at the bottom of the absorber is connected with the rectifying tower via solution pump, absorber upper pipe bundle and solution heat exchanger.

There is provided an exhaust-heat using refrigerating system which can add the function of refrigerant heater, condenser or super-cooler by using exhaust heat. The system comprises a heat pump apparatus 1 equipped with a compressor 12, a first heat exchanger 14, a pressure-reducing device 15 and a second heat exchanger 21, and an absorption type refrigerating machine 5 equipped with a regenerator 51 using exhaust heat as a heat source, a condenser 53, an evaporator 54 and an absorber 55. A third heat exchanger 17 is connected to the first heat exchanger 14 in parallel, and the heat source of the third heat exchanger 17 is achieved from the evaporator 54 of the absorption type refrigerating machine.

The invention relates to a power station comprising at least one steam turbine and / or gas turbine which is connected to at least one absorption type refrigeration machine in order to produce refrigeration, whereby the absorption type refrigeration machine is operated by means of steam which is taken from the steam turbine, or by means of waste heat produced by the gas turbine.

The invention provides a distributed cold-heat-power combined supply system, wherein a hydrogen production and hydrogen storage system electrolyzes high-temperature water vapor to generate oxygen andhydrogen; a first fuel cell system utilizes oxygen or air and hydrogen to generate power, and transmits the electric energy generated by the power generation to a micro-grid; a second fuel cell systemutilizes hydrogen or natural gas and air to generate power, transmits electric energy to the micro-grid, and combusts the residual hydrogen or natural gas and air to generate flue gas; an absorptiontype refrigerator utilizes the flue gas and the high-temperature water vapor for refrigeration; a hydrothermal management system educes the heat generated when the first fuel cell system, the hydrogenproduction and storage system and the absorption refrigerator operate and supplies the heat to users in the form of hot water; a renewable energy energy-supply system generates high-temperature steam. The distributed cold-heat-power combined supply system can achieve multi-functional complementation, improve energy supply efficiency and energy safety, reduce fossil fuel consumption, has no defectof large CO2 emission, and can achieve combined supply of heat energy, electric energy and cold energy.

The present invention relates to an adsorption chiller using double-effect cycle utilizing middle driving heat source of 100-150 degree centigrade. The cycle consists of two cycles such as high temperature cycle (HTC) and low temperature cycle (LTC). Zeolite-water system and silica gel-water system are used as adsorbent-adsorbate pairs of HTC and LTC respectively. Waste heat of zeolite generated at during adsorption period of the zeolite is re-used for pre-heating and desorbing the silica gel.

The invention discloses a compression-absorption mixed refrigerator. It includes mechanical compression refrigerator system and lithium bromide absorption refrigerator system. In the mechanical compression refrigerator system, one end of condenser is connected with the compressor, the other end is connected with evaporator by expansion valve; in the lithium bromide absorption refrigerator system, one end of generator is connected with secondary condenser, the other end is connected with absorber through heat exchanger and throttle valve; the mechanical compression refrigerator system is connected with the lithium bromide absorption refrigerator system by heat gathering system; the lithium bromide solution in the generator is heated with the heat generated from the condenser and the compressor by the heat gathering system.

The present invention is one triple micro cool, heat and electricity supplying system based on solid adsorbent refrigerator, and belongs to the field of energy saving technology. The system includes gas or fuel oil burning internal combustion engine power generating system, tail gas or cylinder jacket cooling water afterheat utilizing system and control system connected together. The present invention breaks through the technological bottle neck of minimizing and miniaturizing the triple supplying system and has the advantages of small capacity, high total efficiency, high economic performance, etc to realize the gradient and efficient utilization of the primary energy source, and may be used widely.

The invention relates to an engine waste heat comprehensive recovery system. The engine waste heat comprehensive recovery system comprises a condenser I, a single-screw expander, a power generator, an engine tail gas exhaust gas exhaust pipe, an evaporative heat exchanger, a working medium pump, an engine tail gas exhaust pipe, a solution pump, a solution heat exchanger, an engine connected cooling water pipe, a first generator, a condenser II, a throttle valve, an evaporator, an absorber, a second generator, an engine connected tail gas exhaust gas exhaust pipe and stop valves A, B, C and D. The engine waste heat comprehensive recovery system has the advantages that the engine high-grade energy recovery system is used for recovering tail gas with high-grade energy, treated tail gas exhaust gas and low-grade energy engine cooling water jointly serve as a heat source to drive a lithium bromide absorption refrigerator for full recovery of tail gas heat, designed valve group-condenser-evaporator units are used in the engine heat recovery system, the function integrity of the system is improved, and the purposes of convenient and rapid operation and easy control are achieved.

The invention discloses a solar phase-change heat storage absorption refrigeration fresh-keeping system, which comprises an absorption refrigerator consisting of a generator, a condenser, a throttle valve, an evaporator, an evaporation pump, an absorber, an absorption pump, a generator pump and a solution heat exchanger, and a heat source consisting of a solar collector, a temperature control valve, a heat storage water tank and a hot water pump, wherein the generator is communicated with the absorber through a two-way pipeline; the generator, the condenser, the evaporator and the absorber form a circulation pipeline; the evaporator is connected with a heating and cooling fan through a pipeline; and the refrigerating capacity is sent into a refrigerating chamber required to be refrigerated. The fresh-keeping system makes use of solar energy, saves the electric energy, reduces the running cost, and reduces the environmental pollution.

The invention relates to an energy-storing solar absorption refrigeration system which comprises a solar heat collector (101), energy-storing water tanks (102 and 2), an intermediate and high temperature heat pump (3), an intermediate and high temperature energy-storing mass transfer tank (4), an intermediate and high temperature solar heat collector (501) and an absorption refrigerator (6), wherein heat generated by the solar heat collector is stored in the energy-storing water tanks, and the intermediate and high temperature heat pump heats the heat in the energy-storing water tanks during a low-ebb electricity period and transfers to the intermediate and high temperature energy-storing mass transfer tank; and the heat in the intermediate and high temperature energy-storing mass transfer tank is further heated by an intermediate and high temperature solar heat collection circulation loop, and then is supplied to the absorption refrigerator to meet the heat requirement for refrigeration drive. By using the solar energy and the heat pump to heat by time and stages, the energy-storing solar absorption refrigeration system can generate low-cost heat required for refrigeration.

Absorption refrigerator (1) including a cabinet having outer walls (2, 3, 4, 5, 6) and at least one door (7, 8) encasing a low temperature storage compartment (9) and a higher temperature storage compartment (10), said compartments being separated by a partition wall (11). An ice-maker is arranged in one of the compartments. The refrigerator is cooled by an absorption refrigerating system which includes an evaporator tube (20) in which a refrigeration medium flows from an upstream end to a downstream end of the evaporator tube, and which evaporator tube comprises a first tube section (21) which is arranged to absorb heat from the low temperature compartment, a′ second tube section (22), which is arranged to cool the higher temperature compartment and a third tube section (23) which is arranged to cool the ice-maker. The first, second and third tube sections are connected in series and the first tube section is arranged upstream of the second tube section. In order to minimize the negative influence of the operation of the ice-maker on the temperature in the freezer compartment, and to reduce the humidity influence of the ice-maker, the third tube section is arranged downstream of said first tube section and upstream of said second tube section and the ice fabrication device is exposed to air circulating in the low temperature compartment or in the higher temperature compartment (10), and means are provided for melting frost generated by humidity in said low temperature Compartment (9) or said higher temperature compartment (10) respectively.

The invention discloses an operation optimization method and device for a multi-energy system based on hydrogen energy and energy storage equipment. The system is composed of a fuel cell, an electrolytic cell, an absorption refrigerator, a waste heat recovery device, a photovoltaic power generation system, a solar water heater, a wind generating set, a hydrogen storage tank, a compressor, a hot water tank and a cold water tank. According to the operation optimization method, a scene tree method is adopted to solve the randomness problem; and according to predicted values and deviations of windpower, solar radiation intensity, power demand, cold demand and heat demand, expected scenes of wind power generation, photovoltaic power generation, solar heat production and user electricity cold and heat demand are established, and mixed integer linear optimization is performed on the system by taking the minimum average operation cost under all scenes as a target so as to research the operation strategy of the system. In the optimization problem, the operation strategies of the fuel cell and the absorption refrigerator in all situations are kept the same, and the operation strategies of the electrolytic cell, the hydrogen storage tank, the hot water tank and the cold water tank in different situations are variable, so that the purpose of absorbing renewable energy sources is achieved.

The invention discloses an energy router based on energy gradient utilization and an operation optimization method thereof. The energy router comprises a gas turbine, a steam turbine, a waste heat boiler, an absorption refrigerating machine, a heat exchanger, a storage battery, a heat storage water tank and a photovoltaic battery. The system converts the fuel into electric energy according to thequality and the grade of the energy, and the waste heat is used for refrigeration, heat supply or power generation, so as to realize the gradient utilization of energy sources. According to the operation optimization strategy of the system, an optimized objective function is established by establishing a system model of the energy router, and optimizing scheduling solving is carried out after an optimization scheduling constraint condition is selected, and an optimized scheduling strategy is finally obtained, so that the system equipment can be correspondingly controlled according to the change of the user demands, and the optimization goal of maximizing the energy gradient utilization rate and minimizing the operation cost is achieved.

The invention discloses a heat storage type solar ground source heat pump which comprises a solar thermal collector, a solar water storage tank, a temperature conversion water storage tank, a heat pipe exchanger, a water separator, a water collector, a ground heat exchanger, a heat pump unit and an indoor unit. The heat storage type solar ground source heat pump provided by the invention can meet the requirements of refrigeration, heat supply and domestic hot water supply, wherein a solar heat collecting system can realize heat storage seasonally, the temperature conversion water storage tank can realize high-quality heat supply in winter, and replace absorption type or adsorption type refrigeration equipment using solar hot water as driving force in the conventional solar ground source heat pump system in summer, the condensation heat is recycled by adopting a film falling method for heat exchange so as to realize efficient refrigeration, therefore, the intermittent operation of the ground source heat pump system and the heat storage type solar system is adopted, the recovery of an underground temperature field is facilitated, accordingly the heat exchange efficiency of a buried pipe is improved, and the service life of the ground source heat pump system is prolonged.

The invention discloses a constant-temperature controlled absorption type refrigerating device which comprises a first vacuum cavity, a second vacuum cavity, a third vacuum cavity and a water route structure, wherein the first vacuum cavity is internally provided with a first adsorbent bed, a first condenser and a first evaporator; the second vacuum cavity is internally provided with a second adsorbent bed, a second condenser and a second evaporator; and the third vacuum cavity is internally provided with a third evaporator. The water route structure is used for guiding hot water into the first adsorbent bed and guiding cold water into the second adsorbent bed or guiding the cold water to the first adsorbent bed and the hot water into the second adsorbent bed simultaneously for refrigerating. By means of sensing an outside temperature or temperature of ice water produced by the absorption type refrigerating device, the cold water is properly stopped being guided into the second adsorbent bed or first adsorbent bed, so that refrigeration is temporarily stopped and efficacy of constant-temperature control is achieved.

The invention discloses a system and a method for fossil fuel and solar energy-complementary distributed energy supply. Natural gas enters into a gas-turbine generator set to generate electricity. Discharge smoke enters into a high pressure steam generator to form high pressure steam. The discharge smoke from the high pressure steam generator enters into a flue gas waste heat exchanger to heat heating water or is directly discharged into a chimney. The high pressure steam from the high pressure steam generator and medium pressure steam from a solar driven steam generator are poured respectively into a high pressure steam inlet and a medium pressure steam inlet of a high-pressure section turbine. Exhaust steam from the high-pressure section turbine can be fed into a steam-water type heat exchanger to heat heating water or to drive an absorption refrigerator to carry out refrigeration, and also can be fed into a low-pressure section turbine to sequentially produce expansion work. The system can realize combined supply of heat and power, can realize independent power generation, can be integrated with a solar device and can only adopt natural gas as a fuel. The system and the method fully use a solar energy resource and realize integrated utilization of fossil energy and renewable energy sources.

The invention relates to a cooling apparatus for a computer system and a method for cooling at least one heat producing component of a computer system.The cooling apparatus for the computer system features an evaporator (2) for a working medium, which can be thermally coupled to the at least one heat producing component of the computer system. In this connection, the cooling apparatus is constructed as a heat engine or as an absorption refrigerator in order to carry out a thermodynamic cycle.