At the most rudimentary level, plasma is just very high temperature thermal energy. In nature, plasma is produced by lightning when it superheats the air around a lightning bolt converting the air to plasma with a temperature of about 20,000 °C. Because plasma behaves differently than the three common states of matter; solid, liquid and gas, plasma is sometimes referred to as the fourth state of matter.
Westinghouse Plasma Corp. creates plasma with its plasma torch systems. We create electric arcs, similar to lightning, inside our torches and force air through the electric arcs to create plasma. The plasma, with temperature close to 5000 °C, is controlled and directed into our gasifier.
Our torches have been sold for 34 different industrial applications in a wide variety of uses including metals recycling; catalyst re-forming, heating of blast furnaces, cleaning industrial gases, and many more. With rising costs of fuel oil, metallurgical coke and other inputs the Westinghouse Plasma torch becomes an alternative source of heat. Most recently, this is illustrated by our $12 million torch order from Guanchuan, a Company in China looking to utilize the Westinghouse Plasma torch for the steel industry, and other uses in the China market.
MARC 3A Plasma Torch
WPC’s standard MARC 3A configuration operates in a range from 80kW to approximately 300kW. The current to the field coils in the MARC 3A is in series with the arc current. The MARC 3A does not feature independent control of the field coil current and arc current.
MARC 11 Plasma Torch
The MARC 11 torch power is controlled by changing either the arc current, field current or the process gas flow. Torch connections include quick disconnects for the air supply, cooling water and electrical connections to facilitate torch removal for inspection and maintenance. WPC has two standard MARC 11 configurations, a low power torch, the MARC 11L and a high power torch, MARC 11H. The low power MARC 11L plasma torch operates in the range from approximately 350 kW to approximately 800 kW.
The high power torch operates in the range from approximately 860 kW to 2400 kW. The maximum arc current of the MARC 11 plasma torch is 2000A. The MARC 11 torch uses two separate power supplies: one for the field coil and one for the arc. The arc current and the field coil current can be independently controlled.
MARC 4.5 Plasma Torch
Like the Marc 11, the MARC 4.5 torch power is controlled by changing either the arc current, field current or the process gas flow. Torch connections include quick disconnects for the air supply, cooling water and electrical connections to facilitate torch removal for ease of inspection and maintenance. The Marc 4.5 plasma torch has an operating power range of 280 kW to 530 kW. The MARC 4.5 is designed to have a variable custom fabricated length to fit a variety of different gasifier designs. The maximum arc current of the MARC 4.5 plasma torch is 650A. The MARC 4.5 torch uses two separate power supplies: one for the field coil and one for the arc. The arc current and the field coil current can be independently controlled.