Membrane Filter Elements
ii Operating Manual Status: 06/2001/01
Press packs from combinations of membrane and recessed filter elements
("mixed packs")...................................................................................................................... 29
6.2.3 Calculation of final chamber filling ......................................................................................... 30
6.3 Basic instructions for squeezing the membranes .................................................................. 31
Squeeze media...................................................................................................................... 31
Permissible squeezing pressure............................................................................................ 31
Squeeze medium quantity ..................................................................................................... 32
Squeezing volume flow.......................................................................................................... 32
Squeezing pressure rise........................................................................................................ 32
6.3.1 Possible connections for squeeze media .............................................................................. 32
Individual external inflation system........................................................................................ 32
Internal inflation system......................................................................................................... 34
6.3.2 Compressible squeeze media ............................................................................................... 35
Squeezing pressure limitation................................................................................................ 35
Squeezing pressure rise with compressible media................................................................ 36
Squeezing volume flow.......................................................................................................... 36
Venting .................................................................................................................................. 36
6.3.3 Non-compressible squeeze media ........................................................................................ 37
Squeezing pressure limitation................................................................................................ 38
Pressure rise.......................................................................................................................... 38
Squeezing volume flow.......................................................................................................... 38
Discharging squeeze medium ............................................................................................... 38
6.4 Cake washing ........................................................................................................................ 39
6.4.1 Simple wash (Gap wash)....................................................................................................... 40
6.4.2 Thorough wash...................................................................................................................... 40
6.5 Cake drying............................................................................................................................ 41
6.6 Core blow............................................................................................................................... 41
6.7 Opening and unloading filter press........................................................................................ 42
6.8 Automatic operation of the filter press ................................................................................... 43
Monitoring operation.............................................................................................................. 43
7 Malfunctions and their causes................................................. 44
8 Service and Maintenance ......................................................... 46
General information on service and maintenance ................................................................. 46
Cleaning and maintenance work ........................................................................................... 46
Monitoring operation.............................................................................................................. 47
Appendix .................................................................................... 48
A.1 LENSER Standard Product Line .............................................. 48
A.1.1 Type key ................................................................................................................................ 48
A.2 Conversion Tables .................................................................... 50
A.2.1 Mechanical tensions .............................................................................................................. 50
A.2.2 Pressure conversion.............................................................................................................. 50
A.2.3 Energy, work, heat quantity ................................................................................................... 50
A.2.4 Energy flow, power, heat flow................................................................................................ 50
A.2.5 Pressure conversion table ..................................................................................................... 51
A.2.6 DIN standards........................................................................................................................ 51
A.3 Graphs........................................................................................ 52
