Embed Size (px)
Citation preview
BD Plast Filtering Systems S.r.l.
Via Copernico, 32Bondeno (FE) Italy
www.bdplast.com
Tel. +39 0532 [email protected]
BDO x 2, dual plate hydraulic screen changers
WHATWHY
WHO
BDO x 2 is a dual plate screen changer designed for perfect continuous operation
Cost savings through elimination of line downtime and waste of extruded/compounded material, easy maintenance
The dual plate design is successfully tested and used on the following processes: Blown and cast films, flat sheet, pipes, profiles, strand dies, underwater pelletizers, hot melt coating, recycling, masterbatches
BD Plast Filtering Systems S.r.l. 2/11
A perfect flow continuity !With the innovative continuous flow screenchangers BDO x 2 the construction complexity isreduced to a minimum and the material quality isguaranteed. The new sealing system allows it usealso on extrusion lines working with very highpressure levels.
The BDO x 2 screen changer has now been testedon thousands of extrusion and compounding lines.
On blown film extrusion process it deliversexceptional performance with a perfect flowcontinuity also on single layer lines with productthicknesses up to 10 microns.
BD Plast Filtering Systems S.r.l. 3/11
Costs savings Process solutions CustomizationIn house engineering and
productionto provide unique pieces
responding to the most demanding requests
Optimized flow channels, dead zones absence, flow continuity
and stability, excellent melt temperature control
BD Plast Filtering Systems S.r.l. 4/11
Cost savings through elimination of line downtime
and waste of extruded/compounded
material, easy maintenance
Blown or Cast films, flat sheet, pipes and profiles, cable coating, recycling, masterbatch and compound pelleting, blown and injection moulding, adhesives, hot melt…
Product sizesFiltering mass, dia. mm Flow, Kg/h S/C nominal area, sqcm
45 80-190 32
60 120-300 57
80 230-550 101
100 300-750 157
120 400-1050 226
140 400-1500 308
160 800-2000 402
180 1100-2600 509
200 1500-3000 628
250 2000-4800 982
BD Plast Filtering Systems S.r.l. 5/11
Operating principle –full filtration
BD Plast Filtering Systems S.r.l. 6/11
During normal operation both the filtration areas are in filtering position.
When the inlet pressure reaches the screen change set value, the contaminated screen replacement sequence can be started.
Screen contamination at 50-60% is the correct condition to start the screen replacement sequence.
Operating principle –screen replacement
BD Plast Filtering Systems S.r.l. 7/11
Breaker plate
One of the two slide plates is pushed out and the contaminated screen can be replaced.
Operating principle –screen cavity venting
BD Plast Filtering Systems S.r.l. 8/11
Venting inlet channel
Venting outlet channel
Venting indicator: initial position
To ensure perfect flow stability the breaker plate cavity must be filled in properly before it can be moved back to the normal operating position.
The melt flows into the breaker plate cavity through the venting inlet channel.
Trapped air is purged out through the venting outlet channel.
Operating principle –screen cavity venting
BD Plast Filtering Systems S.r.l. 9/11
Venting indicator: middle position
The flow capacity needed for the venting procedure can be finely tuned.
Different settings are available to meet the specific process needs.
Operating principle –back to full filtration
BD Plast Filtering Systems S.r.l. 10/11
Trapped air has now been completely purged.
The slide plate can be moved back to the normal operating position.
The screen replacement sequence of the second filtration element can be started.
Anti -drop plate opening sequence
11/11
Engineered anti-drop nylon plate reduces the amount of melt dropped from the breaker plate cavities during screen change granting faster venting, stable output and cost savings
BD Plast Filtering Systems S.r.l.
Plate Vs bolt design Bolt type:The cavity is much deeper than the plate system and the volume of air to be purged out is 7 times higher
Plate type:The cavity for the screen packs is very thin and consequently the volume of air to be purged out
The sealing system is completely interchangeable and allows easy on-site maintenance. Working pressure reaches considerably higher levels (500 to 600 bar) thanks to the pressure-activated sealing system. The purging times are considerably shorter and allow for continuous flow work even with extruded thicknesses up to 10 microns. Flow channels are machined on both sides and therefore optimized if compared to monolithic constructions that can not be machined internally
BD Plast Filtering Systems S.r.l. 12/11
Easy maintenanceMaintenance operations have been simplified by reducing the number of sealing parts and a brand new and simplified protection-guards set
BD Plast Filtering Systems S.r.l.
Customized solutions
Beside our wide-ranging portfolio of standard components, the development of customized high-tech solutions is a very centralpart of our scope of capabilities.To make your vision come true, we will harness all of our expertise and experience. In joint project work, we develop tailor-made
modifications and innovative new solutions which not only cover your requirements, but support your ambitions in a smooth, reliable and profit-oriented manner.
BD Plast Filtering Systems S.r.l. 14/11
BDO x 2 PhotogalleryBD Plast Filtering Systems S.r.l. 15/11
BD Plast SalesTeam
Dante BoicelliOwner & CEO
Ph. +39 0532 [email protected]
Fabrizio RovatiSales Manager
Ph. +39 0532 [email protected]
Patrizia PavaniInternal Sales
Ph. +39 0532 [email protected]
Roberto PolaAfter Sales
Ph. +39 0532 888878 [email protected]
BD Plast Filtering Systems S.r.l. 16/11
Thank You for Your business ! BD Plast Filtering Systems S.r.l.Via N.Copernico, 3244012 Bondeno (FE) ItaliaPh. +39 0532 888811Fax +39 0532 888812Cod. Fisc./Partita IVA IT01287160384
[email protected]@legalmail.it
www.bdplast.com
BD Plast Filtering Systems S.r.l. 17/11
