Welding technology for membranes
Highly innovative technology for the production of membranes for tank roofs and floors
The safe covering of tanks for solid, liquid or gaseous media requires consideration of many aspects, including mechanical strength, leak tightness as well as corrosion and aging resistance. Lipp & Mayer Technologie GmbH offers a unique process for the manufacture of stable and durable covers for existing steel tanks or for tanks manufactured with Lipp & Mayer welding technology. The membrane covers are made of stainless steel or black steel, which are welded together to form a surface in a patented process. Particularly as a stainless steel tank roof, the membrane offers high resistance to aging, corrosion and weathering influences such as strong wind, thus providing an optimum solution. The use of a minimum material thickness of 0.6 mm ensures the greatest possible material savings and has all the advantages of an efficient lightweight construction. However, the process also makes it possible to produce tank bottoms up to a material thickness of 3.0 mm.
Overview of the advantages at a glance:
Step 1: Preparing the metal strips
To produce a membrane, steel sheets with a width of 1500 mm are rolled off the steel coil and prepared for the welding process. The preparation of the steel sheets is carried out automatically by pulling out the sheet using a process patented by Lipp & Mayer Technologie GmbH.
Step 2: Welding and cut to size of the membrane
As soon as two steel sheets are unrolled next to each other, the welding process patented by Lipp & Mayer Technologie GmbH can be started to join the sheets together. The welding process is carried out by means of a driven welding trolley which moves fully automatically along the strips of sheet metal and welds them together lengthwise. As soon as the sheets are connected, a new sheet is unrolled and the welding process can be repeated. Depending on the diameter of the membrane, the process is repeated until the desired size of the membrane is reached.
Step 3: Transport and assembly of the membrane
After completion of the membrane, it is rolled up on a transport tube and can be transported to the construction site by truck. The wrapped membrane is then positioned on the tank by crane and unrolled. A clamp connection developed by Lipp & Mayer Technologie GmbH secures the membrane to the tank wall without any welding work being required. The result is a media-resistant and optimal membrane cover in lightweight construction, adapted to the respective storage medium and the application.