The HEINKEL Tubular Filter TF-series is pressure filter with no moving parts, using only high-pressure air or nitrogen to filter and discharge a cake.

1. Tubular Filter TF
Pressure Filter Vertical Pipe Design

2. Basic Requirements from the market
 Filtration and Washing
of relatively small powder batches (<0,2 m³)
 Fully automatic process
 Complete, contained product discharge
without manual assistance
 Simple setup, minimum wear parts
 Suitable for hazardous products
 Processing of valuable products
Chart 2 © Jürgen Oeß
 Demanding requirements, but low investment costs

3. Basic Setup
Housing
Filter Insert
Filtrate Chambers
Discharge Valve
Supply &
Drainage port
Chart 3 © Jürgen Oeß

4. Process Function
Pressure Gas Vent
Pulse jet
Filtrate
Pulse jet
Filtrate
Product
discharge Drying
Discharge
Filtration
Filling
Chart 4 © Jürgen Oeß
Suspension
Drainage

5. Features
 Absolutely contained product handling
 Automatic and contained product discharge
 Thin cake height, fast filtration, short sequence and ideal for difficult
to filtrate slurries
 Minimum dead space (depending on the slurry supply and discharge
arrangement
 Minimum risk for cake cracking
 Simple process control
 Simple mechanical design – no electrical drives – easy to maintain
 Easy to clean / easy to inspect / good acess
 Use also as vapour filter on top of conical dryers
Chart 5 © Jürgen Oeß
>>> combined Filter-Dryer
 Minimum installation space
 Suitable for sterile applications