Metallurgical apparatus – With control means responsive to sensed condition – With means responsive to condition of treated material
Patent
1989-11-17
1992-12-29
Nozick, Bernard
Metallurgical apparatus
With control means responsive to sensed condition
With means responsive to condition of treated material
55170, 55274, C21D 106
Patent
active
051749440
ABSTRACT:
An apparatus is provided for separating nitrogen gas from methanol liquid in a furnace hardening system. The furnace is housed in a building and connected by a piping system to a methanol storage tank located outside the building. The tank is capped with nitrogen to pressurize the system at high pressure and a pressure regulator reduces the pressure at the furnace. A flowmeter unit controls the flow rate. The gas separating apparatus includes a vessel having a liquid inlet and a liquid outlet in the lower end. The methanol containing nitrogen is introduced under pressure into the inlet and is discharged from the outlet at a lesser flow rate to provide an accumulation of the liquid in the vessel, while the nitrogen gas is released from the liquid and collects in the headspace of the vessel. A float is disposed in the vessel and floats on the accumulated liquid in the lower end of the vessel. A switch mechanism is associated with the float and when accumulated gas lowers in liquid and float to a predetermined position, the switch mechanism acts to open a valve in a gas outlet to vent the nitrogen from the vessel to the atmosphere.
REFERENCES:
patent: 1255018 (1918-01-01), Jones
patent: 2496467 (1950-02-01), Griffith
patent: 3344587 (1967-10-01), Wakeman
patent: 4279406 (1981-07-01), Bourhis et al.
Nozick Bernard
Waukee Engineering Company Inc.
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