A qualifying office 365 subscription is required for word, excel, powerpoint and outlook. A liquid film falls down the channel wall and evaporates, with the vapor either flowing cocurrently with the film figure 1 a or countercurrent to it figure 1 b. They can have vertical or horizontal designs, with cylindrical or tapered bodies and rotors. Evaporators change a chemical from a liquid to a gas and are mainly used to concentrate product. Powerpoint 2019 for mac comes with the morph transition, which can help you make smooth animations on your slides. Before refrigerated shipping was in widespread use, apples needed to be dried in evaporators and packed in barrels before they could be shipped any distance usually by railroad. This concentrated liquids in a gentle and efficient manner in a way unparalleled in its time. As the product spirals down the wall, the high rotor tip. Mac evaporators are designed for cooler applications where fin spacing is small to obtain effective cooling. The tubes in longtube vertical evaporators are typically 2 in. To satisfy the wide spectrum of process requirements, gea designs solutions with all types of evaporators. Evaporators and condensers in a new dimension the complete range. The principal advantage of horizontal tube evaporators. Evaporator design consists of three principal elements.
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. Quickly create, edit, view, present, or share presentations quickly and easily from anywhere. These vapours are then used in a second effect as a vapour heating steam. The most popular versions of microsoft powerpoint for mac are 14. Easily insert a 3d model, and then rotate it through 360 degrees. One can distinguish between the two types of longtube vertical evaporators by the location of the vapor head. Evaporation is an operation used to remove a liquid from a solution, suspension, or emulsion by boiling off some of the liquid. Thermal analysis on triple effect falling film evaporator vanitha dunna1 p. A free powerpoint ppt presentation displayed as a flash slide show on id. This bulletin is intended to provide an introduction to the primary types of evaporators which are implemented in various industries today. High energy efficiency due to multipleeffect arrangement or heating by thermal or mechanical vapor recompressor, based upon the lowest theoretical temperature difference.
Microsoft powerpoint 2016 for mac is an application which can be used for creating some stellar presentations. The evaporators used for the refrigeration and the air conditioning applications have different types of construction depending on the application. Thus, no boiling occurs and the rate of vaporization depends on the diffusion of vapour through the boundary layers above the liquid. The lci agitated thin film evaporator also commonly referred to as a wiped film evaporator consists of two major assemblies. Evaporation process by which liquid water passes directly to the vapor phase. Evaporation stage powerpoint slide design the sun heats up water in water bodies turning it into vapor. The evaporators dome lids, however, are prone to leaking if the gaskets used are unreliable or a poor fit for the application. The evaporator is a heat transfer system, and is that part of a refrigeration cycle in which liquid refrigerant is evaporated for the. Evaporators in which heating medium is separated from the evaporating liquid by tubular heating surfaces.
This paper presents an experimental study of lubricant effect on the performance of microchannel evaporators in a typical mac system. Evaporation is the removal of volatile solvent from a solution or relatively dilutes. The rotor can employ any of several zeroclearance designs, or a rigid fixedclearance design, or an adjustableclearance type. Smi wastewater evaporator mechanical evaporation equipment. Installation for the encon mvc evaporator is very straight forward and is generally handled by facilities, maintenance, or plant engineering personnel. How to start fresh water generator necessity to run the fresh water generator fresh water generator, one of the important machinery on board a ship, is something that cannot be done without. The evaporators are heat exchanger surfaces that transfer the heat from the substance to be cooled to the refrigerant, thus removing the heat. Whats new in powerpoint 2019 for mac powerpoint for mac.
Multievaporator overfeeding in commercial refrigeration systems. We would like to show you a description here but the site wont allow us. Evaporator, industrial apparatus for converting liquid into vapour. Product is introduced above the heated zone and is evenly distributed over the evaporator s inner surface by the rotor. Whether you are in the food, dairy, or beverage industry including juice, or have an industrial or wastewater process that involves evaporation, the caloris team brings to bear hundreds of years of experience to evaluate and design innovative solutions to. Smi evaporation offers a full range of products for mechanical evaporation, from a simple standalone machine to fully automated systems with over 50 machines all computer controlled, we have the proper solution for your needs. Brief overview of microsoft powerpoint 2016 for mac os x.
Multipleeffect evaporators maximize steam economy as vapor generated from one effect is used to drive another. 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. When it comes to presenting a project or idea, giving a conference or explaining any. Powerpoint is topdrawer presentation software, and the 2016 mac edition gains a handful of useful additions to keep the tool vital. 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. Tastenkombinationen in powerpoint fur mac officesupport. Natural circulation evaporators it consists of short vertical tubes, typically 12m long and 50100mm in diameter are arranged inside the steam chest. D 1,2department of mechanical engineering 1,2andhra university, visakhapatnam530026, india abstractevaporation is an operation used to remove a. Jan 26, 2017 multiple effect evaporators condense the black liquor which contains over half the energy of the raw wood material so that it can be incinerated and used as a biofuel or recovered for cooking chemicals.
Colmac coil manufactures blast freezers, blast chillers, hydrocoolers, baudelot coolers, product coolers, and process room coolers for processes involving fish, meat, poultry, dairy and cheese, fruit, vegetables, and processed foods. Industry best accelerated evaporation showcased in this presentation. Water atomization air is compressed via a fan through a tapered barrel and propels controlledsize water droplets created via nozzles. Communication systems dublin institute of technology. Modeling and simulation ahmad, faizan, ahmad khan, naseem on. Microsoft powerpoint for mac download free 2020 latest. Thermal analysis on triple effect falling film evaporator. The actual developer of this mac application is microsoft. Each type offers its own benefit, and the most suitable type is selected in each case with consideration of the main process parameters. Fresh water produced from fresh water generator is used for drinking, cooking, washing.
A triple effect forward feed evaporator is being used to evaporate a milk containing 10 % solids to a condensed milk of 50% t. In natural convection evaporators, the velocity of the fluid is usually less than one to 1. It is thus a thermal separation, or thermal concentration, process. Due to the minimized holdup in this type of evaporator it is widely used for concentration of temperaturesensitive products and offers further advantages due to its compact design and low investment costs. Water fracturing water stream is fractured through a high speed fan and propelled into the air. With hundreds of plants already realized all over the world reda s. Smi evaporative solutions specializes in produced water treatment and solutions using mechanical evaporation equipment featuring the floating 420 evaporators and the polecat evaporators for waste water evaporation. For many people the evaporator is the main part of the refrigeration system and they consider other parts as less useful. As a result, many types of evaporators and many variations in processing techniques have been.
Smi designs, plans, engineers and installs all aspects of wastewater management including equipment and automation. Find evaporator stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection. The vapour supplied during the first effect produces the vapour at a lower pressure. So that the liquid is boiled causing vapour to be liberated in the form of bubbles from the bulk of the liquid thus a practical definition of evaporation is the removal of liquid from a solution by boiling the solution in a suitable vessel and withdrawing the vapour, leaving a. If the density or the consistency of the product is an important quality factor, the level process control will be much more difficult. In falling film evaporators, the liquid product usually enters the evaporator at the head of the evaporator. Heat transfer in such systems is discussed in the article on falling film heat transfer. The product when heated rises through these tubes by natural circulation while steam condenses outside the tubes. Evaporators with direct heating the use of solar heat for the production of glaubers salt has been described by holland22,23. Apple growers here today generally grow for the local market and dont have to be too concerned with long distance shipping.
Wastewater evaporation equipment encon evaporators. 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. Theoretically, evaporation means simply vaporization from the surface of a liquid. The singleeffect evaporator consists of a container or surface and a heating unit. Because of their efficiency, evaporators are wellsuited to an array of industrial applications. This type of evaporator is most suitable for applications with viscous solutions or high fouling products the accumulation of deposits on the heat transfer surface area that inhibit proper heat exchange. Forced circulation evaporators use a high rate of recirculation within the heat exchanger and separation vessel. Following are some of the basic terms used in the evaporation process. Vaporization of a liquid below its boiling point is called evaporation. Evaporators are operating units for dewatering, concentration, and crystallization processes in various industries. Click movie settings, and then under media settings, on the background soundtrack popup menu, click select soundtrack.
It is difficult to heat viscous materials with a natural circulation unit. To add options such as credits or a background soundtrack, click movie options, and then do one of the following. Lubricant effect on performance of r4a mac microchannel. The water vapor leaves the river, lake or ocean and goes into the air where the temperatures are cooler. What is evaporation and what are the types of evaporation. Evaporation an evaporator is a device used to turn the liquid form of a chemical into its gaseous form.
Smi has two main categories of evaporators for produced water treatment. Common uses and applications for evaporators thermal. Affordable and search from millions of royalty free images, photos and vectors. The advantage is even higher with typical evaporators used in commercial cabinets. View and download powerpoint presentations on surface finishing ppt. The evaporator on the left is a climbing film evaporator, while the. In practice, this would be too slow and can take place even at room temperature.
The encon mvc evaporator is a forced circulation flash evaporator utilizing mechanical vapor compression. Use 3d models to increase visual and creative impact in your presentations. Heat transfer in refrigerator condensers and evaporators. It is in the evaporators where the actual cooling effect takes place in the refrigeration and the air conditioning systems. Download microsoft powerpoint now and get the best way to create. Thousands of new, highquality pictures added every day. Evaporators and distillers by k0y0t0 chuyee on prezi.
Evaporator equipment in a factory picture by photosoup 10 914 air conditioner evaporator coil front pictures by eutoch 4 125 air conditioner evaporator coil stock images by eutoch 3 180 water treatment equipment pictures by photosoup 32 443 machinery in a pharmaceutical production plant stock photography by photosoup 23 1,022 the rear of an old aframe evaporator coil taken from a 2. These evaporations use fresh steam or exhaust gases from other operations, and so recover or reuse energy, to boil off water vapour from the liquid in the first effect. While the design criteria for evaporators are the same regardless of the industry involved, two questions always exist. The multiple effect evaporation processes can optimise the energy efficiency of facilities through the recycling of vapour. In our sugar industry the solvent is juice, heat is supplied. Depending on the size of the unit, riggers may be needed to unload the evaporation sections and put them into place. Evaporation is nothing but a thermal separation process. Encon evaporators delivers more standard features, innovations and solid engineering than any other wastewater equipment manufacturer. They may be operated in either batch or continuous modes. The object of evaporation may be to concentrate a solution containing the desired product or to recover the solvent. The powerpoint app gives you access to the familiar tool you already know. Later in the year, the mother liquor is drained off. An evaporator is a device in a process used to turn the liquid form of a chemical substance such as water into its gaseousformvapor.
Evaporator system designs forced circulation evaporators. Similarly, pharmaceutical companies use evaporators to remove excess moisture from drugs, thus improving product stability. Evaporator article about evaporator by the free dictionary. Caloris is a worldleader in delivering process solutions in evaporation technology for existing or new equipment installations. Ppt 700 tpd nitric acid plant powerpoint presentation. The process of falling film evaporation is illustrated schematically in figure 1. The first wiegand evaporator, built in 1908, was a patented multipleeffect circulation evaporator.
The liquid enters the heating tube and forms a thin film on the tube wall where it flows downwards at boiling temperature and is partially evaporated. The horizontal tube evaporator is the only type of chemical evaporator in which the heating medium is inside the tubes. Presentation of the concept and operating results abstract in the cane sugar industry, robert evaporators are generally considered the preferred evaporator design because of the issues associated with the scaling of heating surfaces. In the head, the product is evenly distributed into the heating tubes. They are particularly common in processing industries. This type of multipleeffect system is perfect for continuous feed applications, as fluids are progressively reduced in each effect to final concentration discharge. Learn the difference between rotary atomization and pressurized nozzle atomization.
Refrigeration evaporators, air conditioning evaporators. Evaporators in which heating medium is confined by coils, jackets, double walls etc. The liquid is evaporated, or vaporized, into a gas. For instance, tomato processing plants use evaporators to produce tomato paste. How to download microsoft powerpoint on a mac computer. Need a fuse panel diagram for 92 camaro 1025201145730pmgif fork diagram related keywords suggestions bicycle fork diagram also photoelectric sensor on photoelectric sensor wiring d. 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. The system is available as an option on all the range of enex units and it is fully compatible with controllers from leading manufacturers available on the market and with standard evaporators. Save a presentation as a movie file or mp4 powerpoint.
Evaporation is the removal of solvent as a vapor from a solution or slurry evaporation is used for concentration of aqueous solutions. Heat transfer in refrigerator condensers and evaporators d. Apr, 2014 evaporator ppt free download as powerpoint presentation. Ppt 700 tpd nitric acid plant powerpoint presentation free to download id. Mvc evaporators installation mechanical vapor compression. We define the evaporation process as one that starts with a liquid. Multipleeffect evaporators are used when evaporation requires sufficient energy, e. With the mac version of microsoft powerpoint from the famous office suite, you can create all sorts of presentations integrating multimedia elements. Microsoft powerpoint 2016 for mac free download and.
Fallingfilm evaporator plant for a cane sugar factory. In case of multipleeffect evaporation plants, the exhaust vapor from the product are used to heat the downstreamarranged evaporation effect so that. Every evaporator design will have a means of transferring heat energy through a heat transfer surface as well as a means to effectively separate the vapors from the residual liquid or. Film evaporators evaporate a product as it falls through the evaporator from the top. Evaporators visual encyclopedia of chemical engineering. Based on their construction the various types of evaporators are. Evaporation stage powerpoint slide design slidemodel. Ppt evaporation powerpoint presentation free to download. Evaporators and crystallizers gea evapration and crystallizing. Overall heat transfer coefficient, u in cases of combined heat transfer for a heat exchanger, there are two values for h. Evaporation units or evaporators use the evaporation principle for the treatment of process water, waste water and water based waste. Rising film evaporation in plate type evaporators is a feasible option for media having low tendency to fouling. All aluminum circular evaporators malnar industries.
Further technical developments led to the first wiegand falling. Thinfilm evaporators are commercially available in various basic or standard versions. 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. Optimization of a multiple effect evaporator system. Mechanical integrity of evaporators pptx download details mechanical integrity of evaporator coils. It was easy to control and had a compact arrangement. Microsoft powerpoint free version download for mac os x. To download and access powerpoint on your mac, follow these steps below. Filmvap evaporators and forcedcirculation evaporator provide reliability as well as savings on both energy and cleaning in certain applications that include vinasse. Best product quality due to gentle evaporation, mostly under vacuum, and extremely short residence times in the falling film evaporator. Evaporators can be arranged in forwardfeed, reverse feed or parallel feed. Avoiding leaks in multiple effect evaporators and steam systems. 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 technology gea engineering for a better world.
Microsoft powerpoint for mac is primed for use on tablets and phones, so you can swipe and tap your way through presentations. Find powerpoint presentations and slides using the power of, find free presentations research about surface finishing ppt. The number of effects vary and can go right up to 8. Presenter view automatically adapts to your projection setup, and you can even use it on a single monitor, themes now come with variations, which make it simpler to hone in on the look you want, and. The efficiency of the evaporators can be increased by arranging number of evaporators in series. There are many features which make the new powerpoint attractive. 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.
822 188 778 1248 1407 992 1680 266 751 1321 1096 1373 123 964 857 391 352 1349 958 1234 161 440 1477 648 723 228 1254 589 1589 372 1442 1025 832 649 498 1302 997 1367