The cable industry and wire production are some of the most popular and leading industries around the globe. For their efficient industrial processes, both industries use nitrogen gas.
N2 makes up more than three-quarters of the air we breathe, and it is an important gas used in the industry for commercial purposes. Therefore, more and more companies are moving to generating their nitrogen instead of purchasing it from a third-party supplier. We have been at the forefront of manufacturing Nitrogen generators for Cable Industry.
Why do Cable Manufacturers need nitrogen?
While manufacturing cables, air, humidity, and oxygen molecules enter the coating material and the wire when coated. In the coating material, nitrogen is infused and injected into the wire. This creates a closed nitrogen atmosphere hence preventing oxidation.
Tempering of Copper wires
To increase the flexibility and resistance, copper wire material undergoes tempering procedures. During the tempering process, nitrogen is pushed inside the stove to prevent oxidation at high temperatures created inside the stove. Nitrogen successfully prevents oxidation.
Cooling and Heating
Air-conditioners and industrial cooling and heating devices use copper pipes. These copper wires undergo a leakage test in which nitrogen gas is used.
Coating of wires
Galvanization refers to covering the iron dipped into zinc that is liquefied at 450-455°C temperature. Here zinc structures solid bonds with the iron and increase its resistance against the oxidation of metals. Galvanized wires removed from the zinc shower are then sprayed with nitrogen gas to eliminate any residue liquid zinc on them. During the process, this method enjoys two benefits: Galvanized coating thickness becomes homogeneous for the entire breadth of the wire. Along with this method, the buildup of zinc material is returned to the bath, and a huge amount is saved.
Curing and Vulcanization applications
Nitrogen is used in their CCV line for curing the cable in the catenary tube. Nitrogen under pressure and temperature allows cross-linking of the cable and is also used in subsequent cooling.
MVS has supplied more than 25 Nitrogen Plants for CCV Applications to several companies in India, Asia and Middle-East. From an on-site Nitrogen generator, Nitrogen is produced at 5 to 7 bar pressure and thereafter Nitrogen pressure is boosted by a Booster compressor to 25 bar pressure and Nitrogen is stored in high pressure tanks for intermediate buffer storage.
MVS Nitrogen generation systems are installed in numerous applications ranging from chemical blanketing, electronics; heat treatment; rapid prototyping; power generation; plastics, and many more. These units eliminate the need to handle high-pressure cylinders or liquid dewars and bulk delivery, providing immediate ROI’s.
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Features of MVS Nitrogen Generator for Cable Industry
• The equipment adopts the brand-newly-designed filling technique, extending the service life of the molecular sieve to more than 10 years.
• Special bypass design ensures lower energy consumption and larger effects.
• Imported pneumatic valves guarantee much more stable performance.
• Computer operation, simple technical design, easy maintenance.
• Installation is simple. No requirement for a special foundation; it is installed on normal, flat ground.
High tension cables (33 KV to 210 KV) are manufactured worldwide under Nitrogen atmosphere curing. MVS has supplied 25-Nitrogen Plants for such application to several countries in Asia and the Middle East.
Some of the leading names using MVS Nitrogen generators are Saudi Cables, RPG Cables, Unistar, Diamond Cables, Nuhas Oman, Gulf Cables, Sterlite Cables, LS Cables, Power Plus Cables, among many others.
