Gas analysers for steel plants, heat treatment and furnace atmospheres
Steel plants run on gases that are valuable, toxic and explosive in turn, and heat treatment lines live or die by furnace atmosphere. Sarvesh supplies the analysers, heated and high-temperature probes and sampling systems for both.
Steel plants and furnace lines use ACCURRA-S for oxygen, CO, CO2 and dew point, ACCURRA-TCD for hydrogen, ACCURRA-Zr for combustion zones, and heated or retractable probes for hot, dusty gas. Corrosive or toxic streams are reviewed before a system is proposed.
What steel, heat treatment and furnaces plants need from gas analysis
- Trace oxygen and dew point on one sample for protective atmospheres
- Hydrogen in nitrogen by thermal conductivity, no reference gas
- CO, CO2 and O2 in steel plant gases, with probes to 1400 C
- Systems sized for the sample and the area classification
Two different problems sit under this heading. In steel making, the gas is hot, dirty and hazardous, so the probe and conditioning decide whether an analyser stays in service. In heat treatment and glass, the atmosphere is clean but must be controlled at ppm or percent level, and the main risk is a leak or a drifting gas supply.
Flammable, toxic and corrosive samples are outside the standard limits of our i-Cons conditioner and SGI-320. We review each stream before proposing a system, and ask for the composition first.
Major applications in Steel, heat treatment and furnaces
These are the applications we are asked about most, not the full list. We add more regularly, and we engineer for bespoke applications too. If yours is not here, contact us.
Heat-treatment furnace atmosphere
The atmosphere in a furnace decides surface quality.
Read moreSteel plant process gases
Steel plant gases are valuable fuels, toxic in leaks and explosive in the wrong mix.
Read moreFloat glass bath atmosphere
A float glass tin bath runs under nitrogen with a small share of hydrogen to keep the tin from oxidising.
Read moreCold rolling mill furnaces
Annealing and heat treatment furnaces in a cold rolling mill are controlled on three readings: oxygen, hydrogen and trace moisture.
Read morePowder metallurgy and metal injection moulding sintering
Sintering atmospheres are hydrogen or hydrogen-nitrogen mixtures with a dew-point target.
Read moreAluminium controlled-atmosphere brazing furnaces
CAB lines need very low oxygen and dew point in the nitrogen atmosphere; a dual analyser reads both from one tapping.
Read moreBright annealing of copper tube, stainless steel and wire
Hydrogen-nitrogen atmospheres and dew point set surface finish.
Read moreCarburising and endothermic gas carbon potential
Endogas composition drives carbon potential; CO, CO2 and CH4 readings back up the probe.
Read moreContinuous annealing and galvanising line atmospheres (HNX)
Hydrogen in nitrogen at a few percent is a classic binary measurement.
Read moreFoundry cupola and melting furnace gas
Cupola gas composition guides blast and heat recovery.
Read moreProducts for this industry
ACCURRA-S
Online analyser for trace, percent and purity O2, CO, CO2, CH4 and dew point; can measure two gases from one sample.
View ACCURRA-SACCURRA-TCD
Thermal conductivity analyser for binary mixtures of H2, He, Ar, N2 and others, with no reference gas.
View ACCURRA-TCD
ACCURRA-Zr
Zirconia percent O2 analyser for furnaces and boilers, single-point air calibration, options to 1400 C.
View ACCURRA-Zr
SP and SRP sample probes
Heated and non-heated probes with blowback, and retractable probes, in SS316, Inconel or ceramic.
View SP and SRP sample probes
ACCURRA-Hz
Process gas analyser in an enclosure certified for Gas Group IIC, Zone 1 and 2, T6.
View ACCURRA-HzHeadline filters
Particulate, coalescing and PTFE membrane filters from Headline Filters, UK, for analyser protection.
View Headline filters
i-Cons
Smart Peltier sample conditioner with diagnostics, auto blowback and Modbus, in a compact 19 inch cabinet.
View i-Cons
SGI-300 / SGI-320
Peltier sample cooler with integrated pump, filter and condensate detector; SGI-320 for emission monitoring.
View SGI-300 / SGI-320Frequently asked questions
Can you analyse blast furnace and coke oven gas?
Yes, with a probe and conditioning sized to the dust, tar and corrosives in your stream. Send the composition and we will review it before proposing.
What do you measure in a furnace atmosphere?
Trace oxygen, dew point, hydrogen percentage, and CO and CO2, depending on the atmosphere.