Ud technologies specializes in offering comprehensive range of agitated thin film evaporator wiped film evaporator. Vertical agitated thin film evaporator tfel hv consists of a cylindrical, heated, vertical vessel and a highspeed rotor that maintains a film of. A thin liquid film is formed by the rotating wipers and the liquid flows downwards under gravity. Wiped film evaporators, thin film evaporators, falling film evaporators, tube type evaporators, rising film evaporators, crystallizers, rotovap evaporators, forced circulation evaporators, vacuum evaporators, pilot plant evaporators. Sep 04, 2015 description of an agitated film evaporator. Used evaporators inventory search wiped film and thin. Tailor made equipment agitated thin film evaporator atfe. Agitated thin film evaporators are successfully used for the purification of organic. Atfe mannufacture mee,multi effect evaporator,atfd,agitated. Typical applications our film evaporators are widely used in the. The simulation program calculates the properties for the k n. Atfd agitated thin film dryer mee,multi effect evaporator.
Simulation of an agitated thin film evaporator for concentrating orange juice using aspenplus tm. Agitated thin film evaporator posted in industrial professionals. Due to its inherent design features, it is ideal for thermal treatment of solutions and heat sensitive products, where reduced operating temperatures and vacuum operating pressures are desirable. The flow pattern in atfe has been analyzed using ansyscfx 10. A wide variety of thin film evaporator options are available to you, there are 620 suppliers who sells thin film evaporator on, mainly located in asia. Agitated thin film evaporators raj process equipment. Steam or hot oil is often used as the heating medium on the jacket side. Used evaporators inventory search wiped film and thin film. Film evaporation technology at sulzer chemtech sulzer chemtech, a member of the sulzer corporation, with headquarters in winterthur, switzerland, is active in the field of process. Used approximately 2 square foot ajustofilm model r91h2, 316 stainless steel artison thin film evaporator. Falling film evaporators have a number of advantages over their flooded evaporator counterparts.
In a horizontal thin film evaporator, the product is distributed at the heated evaporator wall by the rotor so that a turbulent circular ring forms at the whole evaporator surface. They require a lower charge, as the entire shell in the case of horizontal evaporators or all the tubes in the case of a vertical evaporator need not be filled with liquid as a thin film is now used to cover the surfaces. The key elements of a vertical thinfilm evaporator are shown here processdesign, mechanicaldesign and physicalproperty parameters must all be taken into account william b. They require a lower charge, as the entire shell in the case of horizontal evaporators or all the tubes in the case of a vertical evaporator need not be filled with liquid as. In essence, the pfaudler wiped film evaporator wfe is designed to continuously separate volatile compounds by introducing a mechanically agitated, thin film of feed material to a heated surface. An inherently simple device, the lci agitated thin film evaporator also commonly referred to as a wiped film evaporator consists of two major assemblies. A jacketed shell precision machined from the inside a rotor assembly that revolves at high speeds while closely fitting the shell. The liquid flows as a thin film on the inside of heated vertical tubes, driven by gravity. T\a r ornlcf89 289 r, selection of an agitated thinfilm evaporator for processing a radioactive waste at orml. Evaporators are widely used in the food industry as concentrators and separators. The software programs help in simulating complex design situations and analyzing problems that involve.
Agitated vacuum distillation thin film evaporator buy. An lci agitated thin film evaporator tfe or wiped film evaporator wfe or wiffe provides short residence time and open, low pressure drop configuration, allowing continuous, reliable processing of many heat sensitive, viscous, or fouling materials without product degradation. Thin film or wiped film evaporators are used to separate a mixture of liquids having different boiling points. Translation find a translation for agitated thin film evaporator in other languages.
Atfd agitated thin film evaporators manufacturer in india. Selection of an agitated thinfilm evaporator for processing. Atfe systems experience the key to the successful use of the atfe is the proper selection and installation of ancillary equipment and instrumentation required to allow the atfe to operate. Our agitated thin film evaporator has roller wiper mechanism which ensures accurate formation of thin film and continuously removing liquid film to have very low contact time with heat transfer surface. Agitated thinfilm evaporation has been very successful with difficulttohandle products. Agitated thin film evaporatordryer design posted in student. In a short path evaporator the condenser is located inside the evaporator body. By continuing to use this site you agree to the use of cookies. It is also used to increase the concentration of liquids. Due to the different design details, short path evaporators can be used down to 0. It is a process of continuous evaporation whereby the process fluid is pumped into a heated evaporator device which contains rotating internal blades. Agitated thin film evaporator,thin film evaporator. Agitated thin film evaporators are used for separating mixtures of liquids with differing boiling points. In particular, agitated thin film evaporators atfe which have short residence times and relatively high heat transfer coefficients, are best used for.
The resulting vapor normally flows cocurrently with the liquid, in the centre of the tubes. Adhering to strict rolling tolerances and a polished inner shell surface ensures excellent wiper blade performance and maximum heat transfer, leading to an optimized evaporation rate and separation. Evaporators with direct heating the use of solar heat for the production of glaubers salt has been described by holland22,23. These blades force the fluid into a thin film, hence the name, over the inner walls of the evaporator. Agitated thin film evaporators are successfully used for the purification of organic compounds that are heat sensitive, viscous and have high boiling points. Foot kontro company ajustofilm model r91h2 316 stainless steel thin film evaporator. Kakwani to the department of chemical engineering indian institute of technology, kanpur. Lh evaporator rising film evaporator working animation climbing film evaporator design. Construction of atfe the agitated thin film evaporator consists of a jacketed shell having a machined surface on the inner side. Atfe mannufacture mee,multi effect evaporator,atfd. Liquids with viscosities above 2,00,000cps can be handeled in these evaporators. The thin film evaporators are designed to handle various products with operating pressures up to o. An agitated thin film evaporator atfe, also known as thin film evaporator tfe or wiped film evaporator wfe, consists of a jacketed shell precision machined from inside and a rotor having blades that maintain a close clearance from the shell. Since their introduction more than 50 years ago by luwa and samesreuther, today busssmscanzler, thin film evaporators, which are also frequently called wiped film evaporators or.
The typical agitated thin film evaporatoratfe design consists of a tubular heat transfer area with an external heating jacket and a fastrevolving, inner rotor with flexible or rigid wiper elements. Modelling of flow in a wiped film evaporator request pdf. Simply stated, the method quickly separates the volatile from the less volatile components using indirect heat transfer and mechanical agitation of the flowing product film under controlled conditions. Agitated thin film evaporators, wiped film evaporators. The short residence time allows for efficient and reliable processing of a wide variety of highboiling, heatsensitive andor viscous products. Agitated thin film evaporators, wiped film evaporators, are designed to spread a thin layer or film of liquid on one side of a metallic surface, with heat supplied to the other side. The agitated thin film evaporator further referred as atfe consists of two major assemblies. These products are highly acknowledged for its sturdy construction, high strength and corrosion resistance. The liquid film starts to boil due to the external heating of the heating tubes and is partially evaporated as a result.
Principle of operation the liquid feed is distributed on the heated wall of the evaporator to form a uniform thin film with the help of suitable. Agitated thin film evaporator atfe is widely used in chemical, pharmaceuticals and food industries to concentrate the feed solutions. Thin or wiped film evaporator is the ideal apparatus for continuous processing of. Welcome to the world of agitated thin film dryer atfd and other heat transfer equipments. A mathematical model and associated computer program were developed to simulate the steady state operation of wiped film. Pfaudler wiped film evaporator for thin film, short path or molecular vacuum distillation in viscous, heat sensitive, fouling, or high boiling materials. Helloi am undergoing design of mechanicaly agitated thin film evaporator i am about to start the cess fluid and utility properties are availablei need a specific reference for the process andor mechanical design.
Best product quality due to gentle evaporation, mostly under vacuum, and extremely short residence times in the falling film evaporator. The principle of working involves amplification of concentration and transmitting heat in short swift bursts to reduce surface area and prolonged requirement of heat. This bulletin is intended to provide an introduction to the primary types of evaporators which are implemented in various industries today. Sep 19, 2012 agitated thin film evaporator posted in industrial professionals. 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. The rotor blades not only deposit the liquid on the wall, but also promote turbulence in the liquid. Agitated thin film evaporator manufacturer in hyderabad. Thin film wiped film evaporators are used for chemicals, polymers and resins, pharmaceuticals, fats and oils, food, and dyes and other coatings. Manufacturer of evaporators plant, mee,multi effect evaporator,atfd,atfe, agitated thin film dryer, agitated thin film evaporator, heat exchanger,zero liquid discharge.
Agitated thinfilm dryers atfds are used to produce dry. T\a r ornlcf89 289 r, selection of an agitated thin film evaporator for processing a radioactive waste at orml. The concentrated liquid flows into tank r1 and leaves the system via valve v5. Agitated thin film dryer,agitated thin film evaporator. Established in 2014, concept process equipments is a fast growing company and captivated in manufacturing of a wide range of agitated thin film evaporator, agitated thin film dryer, short path distillation unit, paddle dryer and many more. The liquid is concentrated by steam that enters the outer shell of evaporator. Manufacturer of evaporators plant, mee,multi effect evaporator,atfd,atfe,agitated thin film dryer,agitated thin film evaporator, heat exchanger,zero liquid discharge system,etp,effluent treatment plant,short path distillation, ahmedabad, gujarat, india. I have to design an agitated thin film evaporatordryer. Our wiped film evaporator consists in contrast to a falling film evaporator of merely one single. An agitated thin film evaporator is a recent technology used to dry the. Evaporators with direct heating the use of solar heat for the production of glaubers salt has been described by.
Kakwani to the department of chemical engineering indian. Agitated thin film evaporators wiped film evaporator. Loss of film integrity, as it can occur at strongly reduced feedrates in falling film evaporators but also in. High energy efficiency due to multipleeffect arrangement or heating by thermal or mechanical vapor recompressor, based upon the lowest theoretical temperature difference. It is of interest to note that the agitated or wiped. Please help me with the design equations procedures for this. Evaporators thin film evaporator wiped film evaporator. The agitated thin film evaporator consists of a jacketed shell having a machined surface on the inner side. Agitated thin film evaporator,thin film evaporator,industrial. Wiped film evaporation wfe and agitated thin film evaporation are synonymous terms. In simple thin film evaporator design the condenser is located outside but as close to the evaporator as possible. Falling film evaporator design our falling film evaporator is the simplest and most commonly used type of film evaporator. The unique feature of this equipment is not the thin film itself, falling and rising film evaporators use. Manufacturer of agitated thin film evaporators wiped film evaporator, thin film evaporators offered by ud technologies, vadodara, gujarat.
Thin film or wiped film are agitated evaporators essentially a large diameter jacketed tube, in which the product is vigorously agitated and continuously removed from the tube wall by scraper blades or wipers mounted on a shaft rotating inside the tube. Wiped film the wiped or agitated thin film evaporator has limited applications due to the high cost and is confined mainly to the concentration of very viscous materials and the stripping of solvents down to very low levels. Request a quote from phoenix equipment for an evaporator today. Phoenix equipment has a large inventory of evaporators used in the process industries. The shaft rotates with a fixed angular velocity and the blades lay out a thin film on the wall of the evaporator. Agitated vacuum distillation thin film evaporator, find complete details about agitated vacuum distillation thin film evaporator,agitated thin film evaporator,film evaporator,evaporator from evaporator supplier or manufacturerwuxi tyensun technology co. Simulation of an agitated thin film evaporator for. The driving speed is adapted to the product being handled, its particular specifications and task.
We use cookies to give you the best possible experience on our website. Live simple, live free tinyhouse prepper recommended for you. Horizontal thin film evaporators in various sizes and. Simply stated, the method quickly separates the volatile from the less volatile components using indirect heat transfer and mechanical agitation of the flowing product film. Cfd analysis of flow pattern in the agitated thin film evaporator. Falling film evaporator gea engineering for a better world.
The typical agitated thin film evaporator consists of a tubular heat transfer area with an external heating jacket and a fastrevolving, inner rotor with flexible or rigid wiper elements. Cfd analysis of flow pattern in the agitated thin film. The goals of a pilot testing program should include the maximum heat and mass. Design and fabrication of agitated thin film dryer ijariie. A feed distributor at the entry point distributes the liquid in a thin film on the heated wall. May 01, 2014 diy brick rocket stove cooking without power duration. Its hygienic design complies with all gmp requirements. The typical agitated thin film evaporator consists of a tubular heat transfer area with an external heating jacket and a fastrevolving, inner rotor with flexible or rigidread more. The top countries of suppliers are china, taiwan, china, from which the percentage of thin film evaporator supply is 99%, 1% respectively.
Pdf a mathematical model and associated computer program were developed to simulate the steady state. Obtainable products are enormously valued in domestic market for their variety. Diy brick rocket stove cooking without power duration. Agitated thinfilm evaporators are attractive for the concentration, distillation. Vertical agitated thin film evaporator tfe l hv consists of a cylindrical, heated, vertical vessel and a highspeed rotor that maintains a film of product against the wall in highly turbulent. Agitated thin film evaporation has been very successful with difficulttohandle products. Wiped film thin film evaporators work by first adding feed into the top, which falls to a rotating distributor plate. Driven by varipulley 3 hp, 3 phase, 60 cycle, 2204401730tefc motor. Thin film evaporator wiped film evaporator short path. The key elements of a vertical thin film evaporator are shown here processdesign, mechanicaldesign and physicalproperty parameters must all be taken into account william b. Agitated thin film evaporator industrial professionals. Pdf simulation of wiped film evaporator researchgate. The liquid to be concentrated is supplied to the top of the heating tubes and distributed in a way to flow down the inside of the tube walls as a thin film.
Our wiped film evaporator jacketed pressure vessels are designed and manufactured per most major worldwide pressure vessel codes. Thin film evaporator wiped film evaporator by busssmscanzler gmbh. Agitated thin film evaporator atfe wiped film evaporator. The rotor assembly consisting of different configuration of blades depending upon the nature of product is mounted in the shell. The unique feature of this equipment is not the thin film itself, falling and risingfilm evaporators use. Product enters 1 above the heated zone and is evenly distributed over the units inner surface by the rotor. Ketav consultant leads by virtue of superior engineering design capabilities, manufacturing excellence and a project based approach committed to deliver high performance total evaporation solution customized to our client requirement.
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