Vacuum drum filter yu the advantages of the vacuum drum filter yu, formerly the bird young rotary filter, lie in thin cake applications, where highest filtration rates are combined with high washing rates, highest solids throughput rates, and all this also under gastight conditions. Buy and sell used rotary vacuum filters at phoenix equipment. How does a rotary drum vacuum filter work heat transfer. The rotary pressure drum filter is similar in principle and basic form to the rotary vacuum drum filter see section 1. Used filters inventory search rotary vacuum filters ipp. A vacuum is produced in the segmentshaped filter cells, which are covered with a filter bag. The pump design utilizes two ductile iron claw type rotors rotating in opposite direction inside a cast iron housing.
As the drum rotates, partially submerged in a slurry, the vacuum pulls air and liquid through the filter cloth located on the exterior of the drum. They can be used in a wide range of industries, from food separation to pharmaceutical manufacturing. It is used where a continuous separation of a solid from a liquid stream is desired. However, a smaller design would be more economical as the maintenance, energy usage and investment cost would be less than a bigger rotary vacuum drum filter. Dmitrievskaya chemical and petroleum engineering volume 3, pages 81 85 1967cite this article. Stardisc unites two vacuum disc filter designs that have made a name for themselves in different industries and many applications. Pilot plant equipment center for crops utilization research. Scraper discharge is the most common drum filter discharge.
In this article briefly discussed about rotary vacuum filter capacity requirement of accessories like mud pump, mud mixer, drum filtering area, vacuum pump, condenser with entertainment separator etc. A rotary vacuum filter consists of a large rotating drum covered by a cloth. Filtration services offer bespoke manufacture and design of the rotary drum vacuum filter to meet both your sitespecific requirements and the exacting standards of todays industry. Vacuum is maintained throughout the cycle, instead of just during submergence, so that the precoat is retained. Oct 25, 2012 rotary drum vacuum filter design posted in student.
Aspects of rotary vacuum filter design and performance bartleby. It comprises a rotating, bottomfed drum of area up to 120 m 2 enclosed within a sealed housing. Buying and selling unused, used and reconditioned rotary vacuum filters. Vacuum drum filters are the most frequently used continuous rotary filters in solidliquid separation.
This paper provides a cursory description of the various rotary vacuum filter designs and their applications, enumerates the operating adjustments for each type of discharge, details the optimum performance criteria for precoat filters and examines the. The second data set is the filtration flux rate, which is the. Rotary drum vacuum filter mechanical project topics. Aries rotary drum vacuum filters rvdfs can be custom designed to meet unique application requirements.
Rotary vacuum drum filter filtration chemistry free. Pdf models of rotary vacuum drum and disc filters for flocculated. Design procedure for outsidedrum rotary vacuum filter. The purpose of this white paper is to explain the basic data requirement for a rotary drum vacuum filter rdvf. Aspects of rotary vacuum filter design and performance. A common nondisposable device used for solidliquid phase separation for continuous flow processing is the rotary drum filtration unit. Therefore rotary vacuum drum filters are certainly used in to the best part of solid liquid separation process. The main advantage of this equipment is its relatively small space, low cost and easy to be maintained. The vacuum disc filter operates a similar way to the vacuum drum filter filtration elements sectors, covered in a filter cloth, pass into a slurry trough, vacuum is applied to the sector, a cake forms on its surface, it emerges from the slurry and the cake is dried by. It is also an extremely effective solidliquid separation device due to its unique methods of handling discharging formed cake solids, relatively low operating labor requirements and its ability to filter continuous or batch process flows. Yu vacuum drum filter highcapacity vacuum filtration the highcapacity yu rotary filter, formerly the bird young rotary filter, is the highend solution for rotary vacuum drum filters.
Includes main filter body including drum and associate drives, filtrate pump and associated tank, vacuum pump and associated tank. Phoenix equipment is a global buyer and seller of unused, used and reconditioned rotary vacuum filters from manufacturers including alar, alfalaval, ametek, bhs, bhs fest, chemieanlagenbau, dorroliver, eimco, filtration engineering, komline sanderson, kraussmaffei, seitz, stockdale, unio, wemco, westec engineering. Rotary vacuum drum filters rotate a tub of liquid to filter out any solid content. Rotary vacuum filter accessories capacity calculation sugartech. Filter, rotary, vac, 8 x 10, sst, eimco, 100 hp vacfilter, rotary, vac, 8 x 10, sst, eimco, 100 hp vac.
This filter combines vacuum filtration with cake compression to deliver a much drier cake than can be obtained with conventional vacuum drum filter. For the purposes of rough calculations it is usual to assume a capacity of 1,000 lb. Packaged unit rwe komiinesanderson rotary drum vacuum filters are used extensively in the processing of chemicals, pharmaceuticals, cosmetics, foods, minerals and in wastewater treatment and sludge dewatering for industry and municipalities. This paper provides a cursory description of the various rotary vacuum filter designs and their applications, enumerates the operating adjustments for each type of discharge, details the optimum performance criteria for precoat filters and examines the basic requirements for the auxiliary equipment. Therefore, the consumption amount of compressed air can be remarkably reduced. The variation of the drum speed rotating can be used to control the thickness of the cake. Rotary drum filter the most common type of continuous vacuum filter is the rotary drum filter in which liquor is sucked through a moving septum to deposit a cake of solids.
Aries rvdfs are selfcontained systems designed to provide continuous solids dewatering. The figure 1, shows the basic structure of the rotary vacuum drum. The stardisc vacuum disc filters by andritz are continuously operating disc filters which are available in two designs stardisc and stardisc xl. Design of rotary vacuum drum filter theory of separation rotary vacuum drum filter rvdf is one of the oldest filters used in the industrial liquidsolids separation. This results in maximum vacuum at the working surface of the drum, which in turn produces higher filtering rates. It is also an extremely effective solidliquid separation device due to its unique. Sep 29, 2017 the stardisc vacuum disc filters by andritz are continuously operating disc filters which are available in two designs stardisc and stardisc xl. Vacuum pump module the rotary claw vacuum pumps are single stage, and air cooled. Our systems have been designed to provide safe and reliable service.
Our rotary screw vacuum pumps feature a sigma profile airend specifically designed for vacuum applications such as hold down for cnc router tables, packaging, bottle and tube filling, drying, degassing, and filtration. A vacuum pump is attached to the conical flask and is used to create a constant vacuum pressure inside the flask. A builtin antisuckback valve isolates the pump from the process during power interruptions, and keeps oil out of your system. Rotary drum vacuum filter design student cheresources. How to calculate the basic parameters of a rotary vacuum filter. The yu filter is best suited for freefiltering materials, where it can benefit from the much higher filtration rates. Rotary vacuum drum filter free download as powerpoint presentation. Rotary vacuum pump realizing low driving noise, low vibration. Installation and operations manual 5 introduction the travaini rotant rotary vane vacuum pump system will give you years of troublefree service provided some of the basic maintenance guidelines as set out in this manual are followed. There are only two data sets required for the sizing of a rotary drum vacuum filter. And also explained with example for capacity calculation. The rotary drum vacuum filter is a very versatile liquidsolid separation device. The first data set is the mass balance around the filter itself. International journal of engineering research and general science volume 2, issue 6, octobernovember, 2014 issn 20912730 484.
Rotary vacuum filter equipment capacity details in sugar industry rotary vacuum filter accessories capacity calculation sugartech in this article briefly discussed about rotary vacuum filter capacity requirement of accessories like mud pump, mud mixer, drum filtering area, vacuum pump, condenser with entertainment separator etc. Some of the advantages to the rotary vacuum drum filter is that it is a continuous and automatic operation, giving it a low operating cost. Precise machining of internal fly rims, drum heads, openings and flanges. The figure 1, shows the basic structure of the rotary vacuum drum filters and also its. From gastight to pressure belt designs, living up to the latest atex requirements, they can. The filtrate piping design is tailored to meet the. These filters are made up of an inner rotating drum encased in an outer cylinder or halfcylinder trough. Rotary vacuum precoat filters rvpf are designed to filter a wide variety of high solid liquids that would otherwise blind or block other types of filters. Rotary vacuum filter equipment capacity details in sugar. The inner surface of the drum is divided into a series of fabriccovered panels, each forming a face of a polygon inscribed within the cylinder.
International journal of engineering research and general. Rotary has a complete line of commercialstrength air, fuel and oil filters for mowers, trimmers, chainsaws, and golf carts. A rotary vane vacuum pump is an oilsealed rotary displacement pump. Trevor sparks, george chase, in filters and filtration handbook sixth edition, 2016. In fact, the rotary drum vacuum filter is considered to be the workhorse of the chemical process industry. These rugged twostage pumps include all the features needed long life with minimal maintenance. Design of rotary vacuum drum filter theory of separation rotary. Used rotary vacuum filters for sale federal equipment. It can be used in process applications where the solid is the product or where the liquid is the product and. Design research of efficient vacuumtype rotary drum filter. It is particularly suited for filtration of pigment slurries, thixotropic and fibrous slurries and those with a tendency to crack during filtration, or containing elastic or porous substances. Separation is done by a porous filter cloth or other media rotated through the pulp or slurry, with vacuum applied to the inner surface to cause the solids to accumulate on the surface as a cake or layer through. Rotary drum vacuum filter design posted in student.
Together, these popular disc filters allow you to cover the widest possible range of applications in vacuum disc filtration. The optimum knife advance rate per drum revolution is a given condition determined by the interaction of the process slurry solids and the grade of filter aid being used for the precoat. This comprises of input and output data in the form of solid, liquid or solidliquid mass flows. The main driving force for the filtrate flow is then the difference between the atmospheric pressure and the pressure in the flask. The slurry enters the outer cylinder or trough and settles in the bottom. The capacity of a vacuum rotary drum filter varies from about 200 to 2,000 lb. New standard designation for process cartridge filter efficiency, filtration. Compressor vacuum pumps for cnc applications, packaging, etc.
Do not let moisture, debris and dust flow into the pump by always installing a vacuum filter to an upstream piping. Design procedure for outsidedrum rotary vacuum filter chemical and petroleum engineering volume 1, pages 376 382 1965 cite this article 1025 accesses. Used rotary vacuum filters for sale federal equipment company. Rotary vacuum filter equipment capacity details in sugar industry. Apr 09, 2017 vacuum drum filters are the most frequently used continuous rotary filters in solidliquid separation.
All rotary vacuum filters operate on a similar principle. This machine is of the rotary drum filter type, but the filtering medium is applied on the interior of the drum which acts as its own container. Rather than applying a vacuum inside the compartments of the drum, the pressure inside the housing is raised by compressed. The liquid filters through the filter cloth, while the solid matter forms a filter cake of uniform thickness on the filter cloth and emerges with the disc from the trough. Rdvfs are ex tremely versatile and provide reliable. This is for the filtration of magnesium hydroxide slurry coming from thickenerclarifier. It is required to find the throughput of a rotary vacuum filter of 20 m 2 surface area with a standard angle. After precoat has been applied, the liquid to be filtered is sent to the tub below the drum. In our paper we are going to bring down the moisture content of the given slurries up to a certain level. Rotary drum vacuum filter is a very important tool for solidliquid separation. The rotary vacuum drum filter belongs to the bottom feed group and is one of the oldest filters applied to the chemical process industry.
The technology is developing faster and faster, and in the chemical industry, the technology is develop towards larger size, higher precision, automotive, higher pressure, and multi function. After dewatering, the cake is removed from the filter cloth by a scraper blade just prior to the resubmergence of the drum. However, for the situation that the filter tray used in our county, there is a long distance between our country and the foreigner, this topic makes some research on the problems that occurred during the. Dmitrievskaya chemical and petroleum engineering volume 3.
The cake is moved out of the filtering zone, washed, sucked dry and dislodged from the septum. Corporate office and manufacturing division 691 north 400 west salt lake city, ut 84103. Stardisc vacuum disc filters operational principle youtube. How to calculate the basic parameters of a rotary vacuum. One such advancement is the automatic knife advance system akas which is used to optimise precoat usage on a rotary drum vacuum filter. The compartments thus formed connect individually with an automatic valve, which, in turn, applies vacuum. The pumping system consists of a housing 1, an eccentrically installed rotor 2, vanes 3 that move radially under centrifugal and resilient forces and the inlet and outlet 4. Models for rotary drum and disc filtration of compressible suspensions are devel.
Over the years, the technology drive has pushed development to further heights revolving around rotary vacuum drum filter in terms of design, performance, maintenance and cost. The drum is fitted with standardized drainage grids of polypropylene or heavy 5mesh wire screen depending on the application. Rotary vacuum pump realizing low driving noise, low. The operation of the disposable rotary drum filter is analogous to all vacuum drum filters. Using a rotary vacuum drum can often remove the need for any further drying before disposing of solid materials. Eimco 8 diameter x 10 rotary vacuum drum filter system. A rotary drum vacuum filter rdvf is a continuous filter wherein the solid constituent in a pulp or slurry is separated. The rotary vacuum filter is very basic in design, application and operation. It can be used in process applications where the solid is the product or where the liquid is the product and sometimes when both phases are the product.
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