BTUX 305
The Alfa Laval BTUX separation system has been specifically developed to ensure optimum separation and concentration efficiency in biotechnological applications.
Product Description
Applications
The machine is designed for clarification duty, separating particles from one liquid, especially shear sensitive particles. The sterilizability makes the machine suitable for most biotechnological separation duties. The solids content in the feed is normally in the range of 1–20 % by volume, but can vary between different duties.
Standard design
The machine consists of a frame that has a horizontal drive shaft, worm gear, lubricating oil bath and a vertical bowl spindle in the lower part. The bowl is mounted on top of the spindle, inside the space (bowl casing) formed by the upper part of the frame, the solids collecting cover and the frame hood. The bowl casing is double-walled for cooling and noise reduction. There is a mechanical seal at the top of the spindle to make sterilization with steam possible. For continuous pressurized discharge of separated solids the machine is fitted with a non-rotating device, a paring tube, positioned inside a central chamber, to which the separated solids flows through vortex nozzles.
All metal parts in contact with the process liquid are made of stainless steel. For CIP, the bowl contains an automated hydraulic operating system for discharging. It is a system, in which the bowl content is emptied in connection with an automated CIP procedure. The discharge takes place at full speed without any interruption of feed of CIP liquids. The centrifuge is available with main connections as sanitary clamps and all other utility connections of clamp type. The electric motor is suitable for variable frequency drive, which makes it possible to have bowl speeds down to 62% of the maximum bowl speed. The design conforms to a number of EC directives, and the machine is made in accordance with the general directives for machinery. The machine is equipped with nozzles for flushing of the bowl top, the bowl bottom and the solids collecting chute.
Design features
- Self regulating vortex nozzles keeping the concentration of the discharged solids at a high and even level, making it possible to operate more near to the clogging point without increased risk of clogging.
- Two outlet designs available for different flow ranges.
- Disc inlet for gentle acceleration of the feed.
- Designed for easy cleaning-in-place (CIP) with an intermittently operating peripheral discharge solids-ejecting system.
- Design pressure of the bowl casing 300 kPa.
- Bowl casing and cooling jacket designed according to ASME or PED.
- Sterilizable (SIP) with 190 kPa steam during 30 mins, including discharge system.
- Most parts in contact with the process liquids available with two alternative surface finishes.
- Product wetted parts passivated (optional).
- All product wetted polymers and seal rings compliant with FDA regulation.