The work was thus structured in the same way as the goals. It is our most flexible evaporation system in terms of heat sources available and the different ways to configure the thermal evaporation system including batch, semibatch, and continuous operation as well as options to recover steam as distilled water. Microsoft powerpoint, slide presentation software, ppt. This kind of refrigerator has greater application in load varying purpose. Operating costs of such a unit also are considerably higher. Unit 21 evaporators and the refrigeration system flashcards.
With hundreds of plants already realized all over the world reda s. Sure, this is something you can do on your own, but why take the risk. Evaporators and crystallizers gea evapration and crystallizing. Thermal evaporation system thermal evaporators encon. Apr, 2014 evaporator ppt free download as powerpoint presentation. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Download microsoft powerpoint 2016 2016 for windows. Heat transfer in refrigerator condensers and evaporators. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Evaporation downstream processing short course may 2007 kevin street gavin duffy learning outcomes after this lecture you should be able to explain how an evaporator works describe some film evaporators calculate the heat transfer area of an evaporator for a given specification falling film evaporator short residence time at high temperature feed pre heated to b. A series of evaporators between the stream supply and the condenser is called multipleeffect evaporator. Evaporation for power generation industry p ower generation is a water intensive process with most of the water used for condenser cooling. It is specifically designed for the hobbyist maple sugar maker with 20 to 50 taps while keeping the continuous flow, reverse feed operation of the larger evaporators. Produced water evaporation system for sagd project awarded.
Difference between evaporation and boiling purposes of evaporation boiling point and factors that affect it determination of boiling point of a solution types of evaporators capacity and economy of evaporator energy conservation techniques multiple effects. Evaporator, industrial apparatus for converting liquid into vapour. Evaporators and the refrigeration system flashcards quizlet. Pfaudler wiped film evaporators are successfully used for the purification of organic compounds that are heat sensitive, viscous and have high boiling points. While it is a good desktop app for presentations, you can only download ms powerpoint 2016 in computers running microsoft windows 7 or later, microsoft windows server 2008 r2, and microsoft windows server 2012. Evaporators for evaporating the water supplied to boiler plants and steam power plants and those for evaporating the refrigerant in refrigerating plants are called vaporizers. This process is continued until the liquid in all the evaporators reaches the desired viscosity. Evaporation is the removal of volatile solvent from a solution or relatively dilutes slurry by vaporizing. The high pressure ratio is obtained which necessarily compresses the vapor to high extent from the higher temperature evaporators to condenser temperature. Evaporation stage powerpoint slide design slidemodel. Evaporators and the refrigeration system powerpoint presentation. Each type offers its own benefit, and the most suitable type is selected in each case with consideration of the main process parameters.
Evaporator presentation heat exchanger steam scribd. Evaporation process by which liquid water passes directly to the vapor phase. Ppt refrigeration cycles powerpoint presentation free. Difference between evaporation and boiling purposes of evaporation boiling point and factors that affect it determination of boiling point of a solution types of evaporators capacity and economy of evaporator energy conservation techniques multiple effects vapor recompression thermal or mechanical. Ppt evaporation powerpoint presentation free to download. Working with our experts will make sure your system is set up perfectly and fits your needs. Vacuum product out steam feed steam figure 5 apv evaporator hndbook 12600 11. Now the product valves are opened to collect the thick liquid. Download an o365 subscription with microsoft powerpoint if you need a familiar, fast, and everevolving presentation software.
Previous versions include powerpoint 2016, powerpoint 20, powerpoint 2010, powerpoint 2007, and powerpoint 2003. Microsoft powerpoint download 2020 latest for windows 10. Evaporator article about evaporator by the free dictionary. This system helps in dropping the pressure from high pressure evaporators with the help of back pressure valves. Part i, evaporator performance, addresses the principles applicable to all types of evaporators. Horizontal tube evaporators the horizontal tube evaporator figure 2 is the oldest type of chemical evaporator, although other improved types are now more commonly used.
Evaporators and the refrigeration system powerpoint ppt presentation. Natural circulation evaporators it consists of short vertical tubes, typically 12m long and 50100mm in diameter are arranged inside the steam chest. In natural convection evaporators, the velocity of the fluid is usually less than one to 1. It is difficult to heat viscous materials with a natural circulation unit. Part ii, air coil, treats evaporators used for air cooling and part iii, liquid chillers, concentrates on evaporators that put in the. As a result, many types of evaporators and many variations in processing techniques have. Wastewater evaporation equipment encon evaporators. Encon offers a full american made product line for your wastewater minimization needs with capacities from as low as. In general, condensers and evaporators for refrigeration applications are designed considering the coil flooded with twophase refrigerant, and also a wall temperature close to the refrigerant temperature barbosa and hermes, 2012. The product when heated rises through these tubes by natural circulation while steam condenses outside the tubes. Microsoft powerpoint with a microsoft 365 subscription is the latest version of powerpoint.
Remember that evaporation systems need transfer from holding tanks to the evaporators. Evaporators with direct heating the use of solar heat for the production of glaubers salt has been described by holland22,23. The key elements of a vertical thinfilm evaporator are shown here processdesign, mechanicaldesign and physicalproperty parameters must all be taken into account william b. Encon offers a full american made product line for your wastewater minimization needs with capacities from as low as 200 gallonsweek to as large as 4,000 gallonshour. An evaporator is a device in a process used to turn the liquid form of a chemical substance such as water into its gaseousformvapor. The leader half pint evaporator is named for its small size. Communication systems dublin institute of technology. Thermodynamic design of condensers and evaporators. Powerpoint viewer, a free download from, enables viewing of powerpoint presentations on computers that do not have powerpoint installed.
The liquid is evaporated, or vaporized, into a gas. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. The singleeffect evaporator consists of a container or surface and a heating unit. The black liquor evaporators introduction course begins with an overview of the kraft chemical pulping process and the role evaporators play in the chemical recovery process. Evaporators and distillers by k0y0t0 chuyee on prezi. It is our most flexible evaporation system in terms of heat sources available and the different ways to configure the thermal evaporation system including batch, semibatch, and continuous operation as well as options to recover. The evaporator is a heat transfer system, and is that part of a refrigeration cycle in which liquid refrigerant is evaporated for the purpose of removing heat from the refrigerated space or product. Encon thermal evaporators are a timetested method for economically reducing the water portion of waterbased wastes. The rotor blades not only deposit the liquid on the wall, but also promote turbulence in the liquid layer. Later in the year, the mother liquor is drained off. In case of multipleeffect evaporation plants, the exhaust vapors from the product are used to heat the downstreamarranged evaporation effect so that the steam. Multiple wiped film evaporators falling film evaporator distillation column jacketedagitated feed tank hot oil system steam boiler vacuum blower mechanical vacuum pump vacuum vapor booster pump tempered water circulation loops heat exchangers for condensers, coolers, and heaters. Evaporation stage powerpoint slide design the sun heats up water in water bodies turning it into vapor. Start studying evaporators and the refrigeration system.
Ppt refrigeration cycles powerpoint presentation free to. The analysis indicated that a heat exchanger design with a high aspect ratio is preferable to a low aspect ratio one as. The principal advantage of horizontal tube evaporators. In case of multipleeffect evaporation plants, the exhaust vapors from the product are used to heat the downstreamarranged evaporation effect so. The horizontal tube evaporator is the only type of chemical evaporator in which the heating medium is inside the tubes. Heating area rotor zero liquid discharge zld is an industrial process which does not release any wastewater. Evaporator presentation free download as powerpoint presentation. Fresh water produced from fresh water generator is used for drinking, cooking, washing. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. Mechanical integrity of evaporators pptx download details mechanical integrity of evaporator coils. Microsoft powerpoint empowers you to create clean slide presentations and intricate pitch decks and gives you a powerful presentation maker to tell your story.
Thermal analysis on triple effect falling film evaporator vanitha dunna1 p. Evaporation an evaporator is a device used to turn the liquid form of a chemical into its gaseous form. Smi designs, plans, engineers and installs all aspects of wastewater. Smi wastewater evaporation solutions specializes in industrial wastewater evaporation equipment featuring the 420 evaporators and the polecat evaporators for waste water evaporation.
Evaporator type gea engineering for a better world. Produced water evaporation system for sagd project awarded to. Thermal analysis on triple effect falling film evaporator. A free powerpoint ppt presentation displayed as a flash slide show on id. Fintube condenser and evaporator with delta winglet in window ac.
Introduction to black liquor evaporators training video. Start studying unit 21 evaporators and the refrigeration system. Wastewater evaporators system integration wastewater. Additional effects can be added in the same manner. The reason for refrigeration is to remove heat from air, water or other substance. It then details the flows of steam, vapor, and black liquor in a typical multiple effect evaporator setup, and concludes with a discussion on steam economy. A free powerpoint ppt presentation displayed as a flash slide show on. Brine is pumped in hot weather to reservoirs of 100,000 m2 in area to a depth of 35 m, and salt is deposited. Evaporation is the removal of solvent as a vapor from a solution or slurry evaporation is used for concentration of aqueous solutions. To satisfy the wide spectrum of process requirements, gea designs solutions with all types of evaporators.
Case studies carried out with different heat exchanger configurations for light commercial and household refrigeration applications are reported. Scribd is the worlds largest social reading and publishing site. Ppt evaporator powerpoint presentation free to download id. The degree of water reuse in the cooling towers is limited by dissolved solids in the water, primarily calcium hardness and silica. Evaporator is an important component together with other major components in a refrigeration system such as compressor, condenser and expansion device. These issues have certain nuances that need expert attention. The programs features are easy to find and to use so beginners can also work productively. The three design applications for evaporatorsbare tube, plate type, and finned tubecan each be used in a wide variety of circumstances, such as within multiple evaporators of large systems.
Evaporation evaporation is a unit operation that consists of the elimination of water of a fluid food by means of vaporization or boiling. The water vapor leaves the river, lake or ocean and goes into the air where the temperatures are cooler. Winner of the standing ovation award for best powerpoint templates from presentations magazine. Create or view powerpoint presentations with this uptodate version of the popular software package. Therefore the use of forced circulation to obtain a velocity of liquid up to 5 ms, at the entrance of the tubes is desired for more rapid heat transfer.