Absorption chillers generally use steam or hot water to drive the lithium bromide refrigeration cycle but can also use other heat sources. Solar air conditioning solar absorbtion chillers solar. York doubleeffect steam fired absorption chiller johnson controls. Absorption chillers are available in sizes from 10 tons and up. An adsorption or absorption chiller is a cooling system that uses heat instead of electricity to cool something.
As you can notice, this range of absorption machines can offer interesting per spectives for an ecological use and allow high energy savings. The indirect absorption chillers condenser and evaporator are similar to that of a standard chiller, which are both watertowater heat exchangers. Absorption chillers use heat to drive the refrigeration cycle, they produce chilled water while consuming just a small amount of electricity to run the pumps on the unit. An absorption refrigerator is a refrigerator that uses a heat source e. In a 2lift hot water driven absorption chiller there is a main cycle and an auxiliary cycle. Click here for small residentialhome chiller air conditioners. Combined heat and power technology fact sheet series. Cooling water flowrate a of broad absorption chiller is 20%30% less than that of traditional chiller. Relying on our innovative and environmentalfriendly technology. The system uses two coolants, the first of which performs evaporative cooling and is then absorbed into the second coolant. Broad absorption chiller indonesia, china, asiaafrika. Broad absorption chillers are currently operating successfully in over 80 counties with over 35,000 systems deployed worldwide. Instead of using large amounts of electricity, the cooling process in an adsorption.
Every machine has to clear this test before it is shipped to the customer. World biggest manufactor of absoption chillers a glance at. A renaissance for absorption another example of industrial applications of absorption is the f. The different types of absorption chillers are solar, water, gas, and bromide with steam. Absorption chiller how it works in this article well be taking a look at the basic operation of how an absorption chiller works. Adsorption chiller, any device designed to cool interior spaces through adsorption, a process that uses solid substances to attract to their surfaces molecules of gases or solutions with which they are in contact.
The future of absorption technology in america a critical look at the impact of bchp and innovation history of absorption technology american companies manufactured 100% of librh 2o absorption chillers worldwide, in the late 1960s, using the standard singleeffect absorption cycle. Combined heat and power technology fact sheet series avace mafacti ffice absorption chillers for chp. Absorption chiller, how it works the engineering mindset. The chiller uses natural gas or other fuels to fire the absorption refrigeration cycle. Thermax has a worldwide sales, service and distribution network to fulfill the needs of its valuable customers thermax is one of the global leaders in vapor absorbers. There are many industrial uses for absorption chillers, including manufacturing plant cooling and wasted heat utilization. Thus the cooling water pump specification and load can be decreased a lot without increasing those of cooling tower. The absorption chiller is a broad model be rated for 2,535 refrigeration tons, producing 6,073 gpm of 44 degrees f chilled water. Absorption chillers, absorption chillers manufacturers.
In sac systems with absorption chillers, these small units are now often implemented. Packaged directfired absorption chiller performance data. Steam absorption chiller is the ideal choice for a wide range of applications. Basics for absorption chillers 20090301 engineered. Systema has been able to catch these developments and to offer solutions with absorption chillers powered by hot water, steam or fumes. An absorption chiller in a micro bchp application hydrocarbons21. Direct fired lithium bromide absorption chiller shuangliang. Ypc steam chillers come equipped with the same sophisticated microprocessor controls found throughout johnson controls line of large tonnage chillers, making the ypc steam chiller the smartest and most efficient absorber on the market today.
The development of aircooled absorption chiller technology could address most of these issues by eliminating the need for a cooling tower. Thermax offers a wide range of solutions for each of these energy sources, all of which represent a major advance in absorption chilling. Broad absorption chillers convert heat generated from a variety of sources including combustion of natural gas, biofuel and solid waste, as well as from hot water, solar energy or exhaust gas, to power the absorption cycle generating chill water. Power distribution facilities, boilers and other equipment become unnecessary, and management and maintenance expenses are also lowered. Waste steam from a cogeneration system obviously produces the same level of cooling as boiler generated steam, low pressure waste steam sources say 14 psig typically require 1820 pounds of steam per hour to produce one ton of cooling in a singlestage absorption chiller. Provides cooling for air conditioning and industrial processes by using hot water as the driven energy. This chiller can consequently work with energy coming from concentrated solar source. For exact sizing for your specific application, please contact us. A wide variety of absorption chiller options are available to you, such as ce, ul, and rohs. Absorption refrigerators are commonly used in recreational vehicles rvs, campers, and caravans because they can be powered with propane fuel, rather than electricity. This advanced doubleeffect chiller uses two stages of heat exchange to improve efficiency.
Performance of the merced demonstration xcpc collector and double effect chiller bennett widyolar, roland winston, lun jiang, heather poiry j. The mechanical vapor compressor is replaced by a thermal compressor see figure that consists of an absorber, a generator, a pump, and a throttling device. Economic analysis of hybrid chiller plants about the author t by brian smith brian smith is a product manager for the engineered systems group of york international, york, pa. Use lowgrade waste steam to power absorption chillers absorption chillers use heat, instead of mechanical energy, to provide cooling. Absorption heat pump and chiller are like twins, because they have the same structure and working principle, but application is different. The microturbine the turbec t100 power t100 p microturbine produces electrical power 100 kw e with an efficiency of 30% 6. The chilled water is cooled down twice by the refrigerant from a double tray in the evaporator and the vaporized refrigerant is absorbed into concentrated solution which is coming from the 2nd generator. Designer can choose larger size the same specification required for the high flowrate chiller cooling tower per performance curve.
President leed accredited professional lizardos engineering associates, p. Broad nonelectric chillers only use green energy and adopt nature water instead of cfcs as. Waterfired singleeffect absorption chiller this product is a waterfired absorption unit which provides chilled water for cooling or hot water for heating wfcsh units only in central plant type air conditioning systems. Aircooled absorption chiller modeling drum university of. The thermax cooling business offers an extensive range of chillers that use steam, hot water, exhaust gases and other fuels. Solar thermal system for industrial dehumidification and. An absorption heat pump recycles heat from low temperature heat source, to produce high temperature water. A chcp system constituted by microturbine and exhaust. Trane absorption microprocessor controls allow the chiller to continue to operate through a broad range of nonstandard conditions, keeping chilled water supplied as long as possible. A schematic of a singlestage absorption chiller is shown in the figure below. Space saving compared with the traditional electric chillers, broad packaged chiller reduces volume by 3050% and weight by 30%. Some dimension drawings are not included in this manual.
The second us solardriven 2e absorption hvac system was a commercial 50ton broad hot water fired 2e absorption chiller driven by the solargenix tracking power rooftm solar collection system installed in raleigh, nc in 2002. Manion company in manchester, connecticut, where a 15ton gasfired absorption. Chiller system design and control applications engineering manual. There are 232 suppliers who sells mini absorption chiller on, mainly located in asia. A chiller is used to make chilled water, and reject heat through cooling water. The value of waste heat is demonstrated by a 2,500ton absorption chiller that uses exhaust from a 4. Use a conventional, watercooled condenser and absorber, and substitute a dry coil for the cooling tower to reject heat to the ambient air. Absorption chiller energy efficiency is based upon fuel consumption per ton cooling while motor driven vapor compression chiller energy efficiency is based upon kwton cooling. Performance of the merced demonstration xcpc collector. Section 2 absorption system operation general information the principle of refrigeration is the exchange of heat and, in absorption liquid chilling, there are four basic heat exchange surfaces. Course content a vapor absorption chiller machine vam is a machine that produces chilled water using a heat source rather than electrical input as in the more familiar vapor compression cycle. Thermax has a stateoftheart test bay capable of testing various types of vapour absorption chillers steam driven, hot water driven, fuel fired, exhaust driven and a. Replace the condenser and absorber with an aircooled condenser and aircooled.
Use lowgrade waste steam to power absorption chillers. The assembly of a generator and absorber provides the compression operation. The integrated energy system includes an absorption chiller. Hot water operated absorption chiller provides cooling for air conditioning and industrial processes by using hot water as the driven energy. Exhaust chiller, steam chiller, hot water chiller,direct fired chiller, solar energy chiller.
Applications include commercial, industrial and utility power generation where ever there is a thermal load and abundant hot water, requiring cooling in the summer and chilled water for processing. Technical data of the 21 ton broad exhaust absorption chiller. Units with nominal refrigeration capacities of 10, 20, 30, and 50 tons are complete with operating and safety controls. The absorption chiller uses hot waste cooling water from the diesel engines normally disposed of over board to produce chilled water serving the hvac installation. Broad technology absorption chiller systems sustainable. An absorption chiller is different to other chillers because it doesnt have a compressor. By providing three functions cooling, heating and hot water within one machine, a significant amount of investment is saved. Products clean air air conditioning sustainable building energy efficiency. Absorption water chillers make use of the absorption refrigeration cycle and do not use a mechanical compressor. If you have a need for cooling or heating, and you have a lot of waste heat in the form of steam, flue gas, hot water, or fuels, please do consider shuangliang as an option.
The objective of our investigation is to summarize the development status of aircooled lithium bromide librwater absorption chillers to guide future efforts to develop chillers for chp. The top countries of suppliers are india, china, and india, from which the percentage of mini absorption chiller supply is 1%, 99%, and 1% respectively. The absorption refrigeration cycle is used in both small and large airconditioning equipment. York yhaucw doubleeffect design combines the flexibility of a wide operating envelope with the efficiency and reliability made possible by todays. Features of absorption chiller small power consumption ozone safe,cfcs free low noise and no vibration low maintenance cost waste heat is applicable chilledhot water supplydirect fired type. The absorption chiller technology has of course considerably evolved, and the helioclim absorption chiller can for example work an energy source having a quite low temperature, typically between 150 and 200c, while keeping very high efficiency. Major system components include the solution pump replaced by two pumps absorber and generator on 50 hz models yia10e3 yia14f3 units equipped with. With everincreasing electricity price and growing concern over the environment, any waste of energy just cannot be tolerated. Chillers are used in commercial buildings and industrial. It seems unreasonable that cooling can be achieved with heat. Chilled water delivery with mediumpressure steam horizon twostage chillers are. In the last years the absorption cooling technology developed a lot thanks to the introduction of new design concepts, the application of new components and different configurations of the machines. Major system components include the solution pump replaced by two pumps absorber and generator on 50. It can be used in processes where the hot exhaust gases are used directly for drying, cooling, or feeding an absorption chiller.
As the basic format of energy, heat, and external work associated with the. As absorption chillers use heat to drive the refrigeration cycle, they only consume a small amount of electricity to run the pumps on the unit. Performance results and lessons learned from austin energys packaged coolingheatingpower system. Trane has been the leader in absorption chiller design and manufacturing for 40 years. The cop is a method for determining overall chiller energy performance. There are clear reasons for us to have developed this highefficiency absorption chiller. Figure 4 absorption chiller applicability used in various industry sectors for cooling applications, especially if there is a waste heathot water stream with temperatures of approximately 100c. Through this thermodynamic process broad absorption chiller dramatically improves the economic. In absorption chilling, the refrigerant is water like any. There are two options for air cooling of an absorption chiller. Directfired absorption chillers can be used as a primary component for hybrid plants or other applications where electrical demand and consumption are expensive or in short supply.
Application opportunities for absorption chillers johnson controls. A wide variety of mini absorption chiller options are available to you, such as ce, rohs. Get absorption chillers at best price with product specifications. Unlike more common vaporcompression refrigeration systems, an absorption refrigerator can be produced with no moving parts other than the coolants. Hot waterexhaust chiller powered by hot waterexhaust from power generation or industrial waste streams, solar hot water. With a wide range of products, from 233 to 11630 kw, we propose broad singleeffect and doubleeffect chillers.
1409 1397 124 1052 146 329 1300 1038 233 944 1116 670 411 287 615 670 533 775 852 388 532 112 1213 989 1491 110 1127 1114 451 1521 1224 227 1457 1165 633 93 991 98 930 1137 402