Description
Smart Systems for Reliable
Cheese Brine Purification
The Microflow XL-Brine systems are specifically designed to meet needs and requirements of brine purification in modern cheese plants. Clarification is achieved without the need for filter aids or centrifuge. The fully automated Microflow system provides an environmentally friendly solution for longer brine life, with a reliable microbial stabilization which reduces the risk of cheese contamination from spoilage or pathogenic microorganisms during the brine salting process. The system utilizes Pall's proven high area, hollow fiber membranes with unique mechanical strength and excellent chemical resistance, which allow high productivity and repeated exposure to aggressive cleaning regimes. When coupled with the user friendly software with cycle programming and a compact footprint, the Microflow XL-Brine series is the smart solution for reliable cheese brine regeneration. Benefits
With Pall's extensive experience in crossflow filtration of food and dairy streams and dedication to simplified process design and control logic, the Microflow XL-Brine system incorporates unique features which enable dairies to perform clarification at low operating costs while providing constant and high brine filtrate quality. These include:- PVDF membranes with high mechanical strength for longer service life
- High area, high flow modules for more compact and more economical systems
- Backpulse capability for increased system productivity
- Hollow fiber membrane with 1.4 mm open channel for optimized cleaning
- Fully automated cycle programming for unattended operation and reduced labour and downtime
- Transparent module housing to confirm filtrate quality and enhance troubleshooting capabilities
- On board tanks, for easy cleaning, concentration and integration
- User friendly interface and automated chemical dosing for reliable operation
Specifications
Compliance
- The Microflow XL-Brine systems are manufactured in accordance with European Pressure Directives and each system is supplied with a CE mark.
- Various Microflow modules have been qualified for compliance to specific regulatory standards for products coming into contact with foodstuffs. Please contact Pall for details.
- Microflow XL-Brine Modules Declaration of Compliance
Brine Filtration Operating Conditions
- Inlet Pressure: 0.5 to 3.5 bar (7 to 50 psi)
- Temperature: 0 to 25 °C (32 to 77 °F) and typically 4 to 15 °C (39 to 59 °F)
- Maximum temperature for cleaning : 65 °C (150 °F)
Microflow XL-Brine Membranes
The Microflow XL-Brine modules incorporate Pall's proven symmetric hollow fiber membranes. The larger diameter, high flow modules with 21.5 m2 of filter area, have at least twice the filter area of typical competitive hollow fiber modules. The modules components include:- Membrane: PVDF
- Potting: Epoxy resin
- Sleeve: Polypropylene
- Housing: Transparent polysulphone
- Seals: Ethylene Propylene copolymer
Microflow XL-Brine System Components
The Microflow XL-Brine systems are fully automated, modular systems available with 2 up to 8 crossflow modules. All metal wetted parts are 316L stainless steel. Piping manifold, membranes, pumps and instruments are mounted on a mobile frame, which includes the following:- Stainless steel pre-filter screen for large particles
- On board concentration / cleaning tank
- Feed pump with 316L stainless steel cover
- Circulation pump with 316L stainless steel cover
- Reverse filtration (back flush) pump
- Magnetic flow meter with batch control
- CIP function with 1 μm water filter and temperature control
- Automatic chemical dosing
- Spray balls in tanks, piping and pneumatic valves for CIP
- Touch screen PLC
- Pressure, temperature and dry run protection
Type
Systems
Ordering Information
Standard Filtration Skid Specifications
| Microflow XL- Brine | ||||||
| Model Characteristics | XL2 | XL3 | XL4 | XL5 | XL6 | XL8 |
| # of Modules | 2 | 3 | 4 | 5 | 6 | 8 |
| Filtration Surface Area | 43 m² (463 ft²) | 64.5 m² (694 ft²) | 86 m² (926 ft²) | 107.5 m² (1157 ft²) | 129 m² (1389 ft²) | 172 m² (1851 ft²) |
| Length | 2.4 m (7.87 ft) | 2.4 m (7.87 ft) | 2.7 m (8.86 ft) | 3.0 m (9.84 ft) | 3.0 m (9.84 ft) | 3.3 m (10.83 ft) |
| Width | 1.2 m (3.94 ft) | 1.2 m (3.94 ft) | 1.2 m (3.94 ft) | 1.2 m (3.94 ft) | 1.2 m (3.94 ft) | 1.2 m (3.94 ft) |
| Height | 2.15 m (7.05 ft) | 2.15 m (7.05 ft) | 2.15 m (7.05 ft) | 2.15 m (7.05 ft) | 2.30 m (7.55 ft) | 2.30 m (7.55 ft) |
| Weight (empty) | 1310 kg (3946 lb) | 1420 kg (3130 lb) | 1550 kg (3417 lb) | 1590 kg (3505 lb) | 1690 kg (3726 lb) | 1790 kg (3946 lb) |
| Raw Brine Tank | 320 l (84.5 gal) | 320 l (84.5 gal) | 530 l (140 gal) | 530 l (140 gal) | 530 l (140 gal) | 530 l (140 gal) |
| Filtrate Brine Tank | 60 l (15.9 gal) | 60 l (15.9 gal) | 110 l (29.1 gal) | 110 l (29.1 gal) | 120 l (31.7 gal) | 120 l (31.7 gal) |
| Raw Brine Inlet | DN 50 | DN 50 | DN 50 | DN 50 | DN 65 | DN 65 |
| Filtrate Brine Outlet | DN 50 | DN 50 | DN 50 | DN 50 | DN 65 | DN 65 |
| Concentrate Outlet | DN 50 | DN 50 | DN 50 | DN 50 | DN 50 | DN 50 |
| Water Inlets | DN 25 | DN 25 | DN 25 | DN 25 | DN 25 | DN 25 |
| Chemicals Inlet | DN 15 | DN 15 | DN 15 | DN 15 | DN 15 | DN 15 |
| Compressed Air Inlet (instrument quality) | Pneumatic hose 10 x 8 mm or ¼” internal thread | Pneumatic hose 10 x 8 mm or ¼” internal thread | Pneumatic hose 10 x 8 mm or ¼” internal thread | Pneumatic hose 10 x 8 mm or ¼” internal thread | Pneumatic hose 10 x 8 mm or ¼” internal thread | Pneumatic hose 10 x 8 mm or ¼” internal thread |
| Wattage | 9 kW | 11 kW | 13.5 kW | 16 kW | 18 kW | 18 kW |
Microflow XL-Brine Options
The following options are available for additional supply :- Low Concentration Volume (LCV) feature for further reduction of concentrate volume
- Dummy modules in 316L stainless steel, for systems with more than 3 modules
- Frequency inverter on feed pump with backpressure valve
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