Bokela disc filter pdf

Bokela drum filters demonstrate top performance in demanding processes and ensure highest availability for nonstop production. Ultrafiltration microfiltration prefiltration clarification particle size. In july 2014 the bokela hibar pilot plant was operated at the coal washery. Flsmidth filtration key filter lines 16 vacuum filters horizontal belt filters and pan filters up to 250m2 high performance and flexible vertical drum filters and disc filters up to 310m2 simple, robust and reliable pressure filters horizontal filter press up to 24m2. Stardisc unites two vacuum disc filter designs that have made a name for themselves in different industries and many applications. Start of operation was in 2007 and the two filters complemented 5 bovac disc disc filters l2, which already. Versatile disc capsule filter pureflo d90r filter capsules 90 mm diameter have been designed for simple, quick, and efficient filtration of fluids and gases used in laboratory, pilot, and smallscale read more. F ilter housings can be offered in various materials of construction such as various grades of stainless steel, carbon steel and alloy metal.

Drum filter disc filter boozer pan filter bokela drum, disc and pan filters define a new state of the art in rotary filter technology and. The hydrotech 2200series new plastic disc design brings considerably lower weight and 50. It also has a pneumatic cylinder and timer based drain valve. Rotary vacuum filters bovac disc, bovac drum and bovac pan filter. Flsmidth filtration key filter lines 16 vacuum filters horizontal belt filters and pan filters up to 250m2 high performance and flexible vertical drum filters and disc filters up to 310m2 simple, robust and reliable pressure filters horizontal filter press up to 24m2 volume, 960m2 area simple, robust and reliable vertical. This is bokela disc filter boozer filtration of aluminium hydrate look into filter building by hfn media on vimeo, the home for high quality. Stardisc vacuum disc filters operational principle youtube. What operators always desired the innovative light weight. Bovac disc filters are modern highperformance vacuum disc filters which set new standards with their reliability and costeffectiveness. Let us follow a sector as it passes from zone to zone. High pressure rinse water backs the solids off the filter media and. Bokela australia pty building 5 spring lake commercial 1 springfield lakes blvd springfield lakes, qld 4300 australia phone. Nov 27, 2012 boozer ltype discharging alumina fine seed.

Disc filter services mobile disc filter bag exchange. The disc filter provides for maximum area at minimum cost and floor space. Surface preparation, priming and painting of equipment, shop assembly, inspection and testing. Manual disc filters are engineered for efficient operation year after year with practically no maintenance.

Backflush filters by bokela ingenieurgesellschaft fur mechanische verfahrenstechnik gmbh. Hyperbaric disc filter for dewatering of finestgrain. With regard to filtering and dewatering large quantities of suspension, bovac disc filters are unbeatable. Contact durovac industrial vacuums for more information. Bokela boozer disc filter aluminium hydrate youtube. Economical dewatering of tailings for mine backfill with high. Bovac disc filter filtration of alhydrate fine seed the two bovac disc filters l176 are operated in an australian alumina refinery for filtration of alhydrate fine seed before being recycled to the precipitation tanks. Bovac disc filters are modern highperformance vacuum disc filters which set new standards with.

Dynamic crossflow filtration with the bokela dyno filter. Call us toll free in the usa and canada 18883303365. The discs can separate solids as small as 30 microns, up until 350 microns, being easy to change the size of the mesh in site. The alfa laval isodisc waste water filter is designed to fit your specific needs flexibly. Hibar filtration is the most modern technology of continuous pressure filtration also. New technology mine fill 2014, perth, australia 45 4 filtration of goldcopper tailings with the boozer disc filter 4. Bokela boozer disc filter aluminium hydrate bokela gmbh. Typically, filter presses, belt filters and rotary vacuum disc filters are used for this dewatering duty. Bokela pan filter in operation aluminum hydrate product. Based on 25 years of operational experience with numerous filter units in many alumina refineries worldwide but also in.

Disk filtration approximate particle size filtered. Disc filter chemtrex disc media for continuous filtration. Bokela drum filterprosp en 01 free download as pdf file. Filter media discshaped filter elements installed near to a rotating agitator. Bokela filter technolgies for solidliquid separation. Filter media discshaped filter elements installed near to a rotating agitator4direction of rotation dynamic crossflow filtration flow forces on a particle permeate flow y flow velocity membrane p2 1020 micron 1250625 mesh removes. Bokela dyno filter for dynamic cross flow filtration. This is bokela pan filter in operation aluminum hydrate product filtration by hfn media on vimeo, the home for high quality videos and the people. The bocross filters includes dynamic crossflow filters for micro, ultra and diafiltration as well as for classification. Non stop production with bokela drum filters powder. May 18, 2018 bokela drum filters demonstrate top performance in demanding processes and ensure highest availability for nonstop production.

Now this new type of disc filter has begun to move into applications of paste dewatering. The stardisc vacuum disc filters by andritz are continuously operating disc filters which are available in two designs stardisc and. It is used for the clarification polishing filtration of high liq. Filter media discshaped filter elements installed near to a. Membrane disc filter guide are the guides for choosing membrane disc filter on sterlitech. Both square and rectangular cassettes fit within the path of the incoming water and are available to cater different installation configurations. The operation sequence of a disc filter is, except for washing, similar to a drum filter. All components like filter segments, shaft, filtrate pipes, control head or filter trough are of most modern design, ensuring the excellent hydraulic capacity and the easy maintenance of these filters. Now, bokela have redesigned and upgraded this disc filter type. Hyperbaric disc filter dewatering of coal flotation concentrates is common place in china, eastern europe and russia. Bokela drum filterprosp en 01 filtration chemistry scribd. Being used worldwide, bokela filter technologies provide various solutions for. Stardisc unites two vacuum disc filter designs that have made a name for themselves in different industries.

Jul 21, 2015 bokela boozer disc filter aluminium hydrate bokela gmbh. Bokela drum, disc and pan filters define a new state of the art in rotary filter technology and. Hydrotech discfilter provides filtration in a small footprint. Bokela disc filter boozer filtration of aluminium hydrate. Separation of solids from liquids with continuous vacuum filters drum, disc, pan filter, continuous pressure filters bohibar filtration with disc and drum filters, dynamic crossflow filtration bocross filter as membrane and sieve filters. Plastic rings stack together creating a cylindrical filter element. It offers a wide range of industrial processing flow sheets and provides a flexible application of dewatering, washing andor clarification. The bokela dyno filter is a dynamic cross flow filter for micro, ultra, sieve or dynamic precoat filtration. Filter segments each filter disc consists depending on the diameter of 20 to 30 filter segments which are mounted on the filter shaft.

As the solids catch on the inside of the filter media impeding the flow of water through the disc, the water level inside the discs begin to rise, triggering a level sensor to start the disc to rotate and a backwash cycle begins. Peterson builds a complete line of disc filters ranging from laboratory size units of 1. Combining the two effects causes waste to fall away, thanks to pressurised jets of water directed at a tangent at each filter disc. Of particular benefit of the bokela drum filter design are the exchangeable filter cells which can be exchanged individually this ensures an easy and unparalleled quick reclothing during production without the need for plant shut down. During filtration, the rings are compressed together effectively filtering the water and protecting the system from clogging. This additional pressure is able to achieve surface moisture levels significantly less than conventional vacuum filtration. Our nominal or absolute rated disc media are available in materials such as pure polypropylene, polypropylene felt, pvdf, cellulose, and d. Silt, fine organic and inorganic debris, algaebiofilm, general soil particles a disk filter is constructed from numerous flat, grooved disks stacked tightly on top of each other and contained inside of a casing. Rotary vacuum filters of bokela the continuous operation, the high performance capacity and the low space demand make rotary filters the most economical solution for a wide range of solidliquid separation tasks. Veolia water technologies north america filtration, 10. Economical dewatering of tailings for mine backfill with.

Today, bokela is a highperformance, mediumsized company, one of the leading international suppliers and a soughtafter partner in process filtration. An israeli company obtained the patent for the disc filter in the 1960s and began developing its application to protecting irrigation equipment for. The bokela backflush filter polishing filter is an automatically operated pressure filter. These are the strengths of the bohibar disc filter. Vacuum filter including filter discs, filter barrel with bearings and seals, control valve assembly with control and wear plates, automatic dump valve, filter trough, disc outer rim guide, filter media and emergency overflow. Insert filter element and make sure it is seated correctly. Tighten filter cover by turning the fixing nut clockwise and do. Netafim 1 arkal manual disc filter wyatt irrigation. Rotary vacuum drum filter rvdf, patented in 1872, is one of the oldest filters used in the industrial liquidsolids separation. Hibar steam pressure filtration of coal ultrafines new. By employing woven cloth filter media installed on multiple discs, and utilizing an insideout flow pattern, this versatile filter is appropriate for a variety of applications including tertiary wastewater filtration, effluent polishing, wastewater reuse and reclamation, phosphorus removal, membrane pretreatment, and. Membrane disc filter guide javascript seems to be disabled in your browser.

Segment of a disc filter bokela ingenieurgesellschaft. Verify that spring is in place inside the filter cover. Bokela filter technologies for solidliquid separation. Continuous pressure and steam pressure filtration with bohibar disc and drum filter.

The hyperbaric disc filter uses an air pressure of up to 0. The membrane selector guide fitforpurpose filtration starts here. Seed filtration, disc filter, lightweight filter segment, filter reclothing, maintenance. Economical dewatering of tailings for mine backfill with high performance disc filters j hahn et al. However we are running at significantly reduced staff. Bokela filter technologies optimize costeffectiveness, occupational safety and environmental compatibility. Disc filter boozer drum filter pan filter bokela disc, drum and pan filters define a new state of the art in rotary filter technology and. Large particles in environmental samples and industrial fluids, total suspended solids in wastewater, cell aggregates and multicellular organisms, pollen filter type. Bokela drum filters are designed for different applications. Bokela filter technologies for solidliquidseparation. Disc type selfcleaning filter is constructed of filter housings, filter elements, and drain valve. Bokela filter technologies for solidliquidseparation bokela.

Peterson coal type disc filter designs are used on fine clean coal and coal refuse slurries and have become an industry standard in. Segment of a disc filter bokela ingenieurgesellschaft fur. A disc filter is a type of water filter used primarily in irrigation, similar to a screen filter, except that the filter cartridge is made of a number of plastic discs stacked on top of each other like a pile of poker chips. Rotary vacuum filters of bokela the continuous operation, high performance capacity and low space demand make rotary filters the most economical solution for a wide range of solidliquid separation tasks. The disc filters boozer are available with filter sizes of up to 184 m 2 filtration area.

Our product series bovac and bohibar offer stateoftheart continuous rotary filters such as disc filters, drum filters and disc filters. With the boozer disc filter bokela have developed a new generation of big diameter disc filters which set a new standard for coarse and fine seed filtration. Filter media disc shaped filter elements installed near to a rotating agitator4direction of rotation dynamic crossflow filtration flow forces on a particle permeate flow y flow velocity membrane p2 disc filter boozer bokela company have developed a new generation of big diameter disc filters which have set a new standard for seed filtration in the alumina industry and in the dewatering of coal slurries. Together, these popular disc filters allow you to cover the widest possible range of applications in vacuum disc filtration. Bokela test units enable fast, easy and reproducible tests for vacuum, pressure and. Andritz developed a new solution the mobile disc filter bag exchange which comes right into the mill. Disc filters are cleaned in the opposite direction to filtration, by separating the discs and spinning them at high speed. The old way of exchanging disc filter bags by shipping segments back to a supplier is timeconsuming, slow, and expensive.

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