Nitrogen + Methanol Generator

We supply “Nitrogen + Methanol” system on turn-key basis. For nitrogen gas generation, we supply a  PSA Nitrogen generator and for methanol feeding we provide a methanol feed tank, methanol flow meter and a methanol inline vaporizer.

Technical Facts

01

Flow Range

Flow rates of these generators ranges from 5 to 100 nm3/hr.

02

Purity

99.5% purity Nitrogen is standard. Higher purities are available on request.

03

Dew Point

Standard dew point offered is (-)40°C. Lower dew points are available on request.

How it works?

Use of furnace atmospheres based on Methanol cracking has become widely acceptable as alternative to Endo-gas generators for many applications like carburizing, carbonitriding, annealing and hardening. Here Nitrogen gas is used as a carrier gas which reduces consumption of methanol. Cracking process at temperatures above 750˚C is as under:

Mixture of Nitrogen and Methanol (e.g. methanol 5 liters& Nitrogen 10 NM3) fed into furnace provides gas composition equivalent to Endo-gas as under:

Carbon Monoxide (CO) 20%
Hydrogen (H2) 40%
Nitrogen (N2) Balance
Dew Point (-) 40°C

Nitrogen gas of 99.5% purity from cylinders or from a captive PSA-Nitrogen generator is used. Methanol should be free from moisture for getting low dew point in your furnace.

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