573 results about "Absorption refrigerator" patented technology

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 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.

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 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 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 a data center integrated cooling system based on waste heat recovery and a control method thereof. The system comprises a waste heat recovery system, an adsorption type refrigeration system, a domestic hot water system, a heating system and a natural cold source utilization system. A backwater of the waste heat recovery system alternately enters a first second adsorption bed and a second adsorption bed of the adsorption type refrigeration system to heat and desorb. A third adsorption bed and a fourth adsorption bed in an absorption refrigeration mode alternate in connecting to an air handling unit of a data center. Backwater of the waste heat system goes through the adsorption type refrigeration, a hot water tank and a heat exchanger to be sent to the data center again to absorb heat. The flow entering an adsorption type refrigeration set and the hot water tank is adjusted by a three-way valve. The other side of the heat exchanger is connected to a heating system and a cooling tower. The flow entering the heating system and the cooling tower is also adjusted by a three-way valve. The system and method of the invention can fully utilize IT equipment heat radiation in the data center and a natural cold source, is in accordance with the requirement of China for construction a green data center and is substantial in energy saving and emission reduction benefit.

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.