The Bubble Tube Level Measurement is a self-contained instrument for a precise level indication in a liquid sulphur melting tank. It is a low-cost system that measures the liquid level by density and pressure.
It is particularly applicable in sulphur melting tanks, where we meet: • A sulphur flour-polluted head space that can crystallize in/on a transmitter. • Foaming environment that can blind a transmitter. • High process temperatures. • No side connections available for a flange-mounted transmitter. • A corrosive environment that should not have direct contact with the transmitter.
Bubble tube systems have been utilized for decades – their simplistic operation, coupled with the latest technology in electronic instruments, makes these systems the preferred method of level measurement in the sulphur melting tank.
How does it work?
All Bubble Level systems consist of 2 parts: • A dip pipe immersed in the liquid sulphur. • A control cabinet holding a pressure regulator, a flow meter, and a pressure indicator.
The Bubble Tube works by measuring the amount of pressure needed in order to release a constant airflow through the dip pipe submerged in the liquid sulphur. Thus, the system requires air supply at all times. The air enters the control cabinet, goes through the dip pipe, and leaves it from the bottom, producing air bubbles. Changes in the measured level cause the air pressure in the bubble tube to build up or drop. An integral pressure indicator measures the backpressure and transfers the signal to the DCS, which translates the pressure signal received into the level in the tank. This method allows for a clean level measurement as liquid sulphur will not enter and block piping or other parts of the instrument.
Features
An ideal solution for liquid sulphur. Contactless transmitter– not in direct contact with the sulphur Instrumentation can be installed in an easy-access location. Low-cost and reliable level measurement technology used for a long time.
Bubble tubes should be treated regularly with BCB liquid. This reduces the build up of bacteria and algae in the water including Legionella and the species pseudomonas. It is based on an organic biocide that will not cloud the column or weaken the joints.
A bubble tube is a sensory piece of equipment used to provide a relaxing, colourful and joyful experience. First conceived by Ad Verheul and Jan Hulsegg in Holland in 1974 as they were creating 'snoezelens' (Sensory Rooms).
No problem! Try these substitutions: With honey: Mix 4 cups of water with 1 cup dish soap first, then add 1/3 cup of honey. With corn syrup: Mix 3 cups water, 1 cup soap and 1/2 cup corn syrup.
The use of Bubble Tubing® enables all kinds of bodies of water to become aerated, which helps reduce sludge accumulation; degasing of ammonia and methane and elimination of CO2 in treated water. It has been proven that aeration can also improve oxydation and clarity of the water in tailing ponds and discharge ponds.
Bubble tubes are Perspex columns filled with water that stand up to two metres high. They are fitted with LED lights that provide a vibrant warm glow to stimulate the senses in a calming and relaxed way.
Distilled water should be used inside a bubble tube. This helps to keep the water cleaner for longer and helps with the longevity of the bubble tube. Tap water can be used, but this does make the tube dirtier quicker and will require more frequent cleaning to prevent bacteria from building up.
The liquid in the vials is usually oil or alcohol so that the air bubble inside can move freely. Different vials might appear similar at a casual glance. But the design and mounting of vials differ a lot between different brands, resulting in different accuracy and precision.
plain old tap water is your friend when it comes to bubble counters. and as the previous said, if it was producing to many bubbles with water, you need to turn it down.
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