INDUSTRY SOLUTIONS

Nitrogen and oxygen systems for photovoltaic and new energy manufacturing

Solar cell, module, lithium battery, fibre and hydrogen projects consume large volumes of high-purity nitrogen and oxygen as process gases. We supply cryogenic nitrogen plants at 99.999% and above, oxygen plants, hydrogen and helium recovery systems and gas recovery packages — designed around your furnace load profile, ppm purity limits and the requirement to keep the line running when the plant stops.

99.999%+

Nitrogen for furnace atmosphere

Load following

Tracks furnace and shift profile

Liquid backup

LIN storage protects the line

H₂ / He recovery

Recovery and purification available

WHAT THIS INDUSTRY NEEDS

What this industry actually needs

High purity at high flow

Diffusion, annealing and sintering furnaces need 99.999% nitrogen at several thousand Nm³/h, with residual oxygen controlled in ppm.

Demand that moves with production

Output follows furnace loading and shift patterns, so turn-down range, buffer capacity and automatic load control matter as much as peak capacity.

Low operating cost

In cell and module manufacturing gas is a continuous operating cost; specific power in kWh per Nm³ is a competitive factor on the product cost sheet.

Fast project schedules

New energy capacity is built quickly, so we plan workshop assembly and modular shipment to compress the site programme.

Hydrogen and rare gas recovery

Hydrogen used in furnace atmospheres and helium used in cooling or leak testing are increasingly recovered and purified rather than vented.

TYPICAL REQUIREMENTS

Typical process requirements

Wafer and cell furnace atmosphere

Several thousand Nm³/h

Nitrogen 99.999%+

Module lamination and purging

Medium flow

Nitrogen 99.9% – 99.99%

Lithium battery cell production

Low moisture, controlled dew point

Nitrogen 99.999%

Fibre and glass processes

Oxy-fuel oxygen, protective nitrogen

Oxygen / nitrogen

Hydrogen furnace atmosphere

Recovery and purification instead of venting

Hydrogen

Cooling and leak testing

Recovery system with high recovery ratio

Helium

Plant stop protection

LIN storage and vaporiser for critical load

Liquid nitrogen

RECOMMENDED CONFIGURATION

Recommended configuration

How we would configure the plant for this duty.

Cryogenic nitrogen plant

For high flow and 5N purity the cost per Nm³ stays flat as purity rises. Optional LIN production provides both backup and a liquid product.

PSA nitrogen for smaller lines

Where flow is modest and 99.9–99.99% is sufficient, a PSA skid starts within minutes and needs a small footprint.

Hydrogen recovery and purification

Recovery from furnace and process tail gas with purification to the purity required for re-use, cutting purchased gas consumption.

Helium recovery

Recovery from leak-test and cooling circuits where helium cost and availability justify recovery instead of venting.

Liquid nitrogen backup

Cryogenic storage, pump and vaporiser sized to cover the critical process load during a plant stop or cold restart.

Modular delivery

Cold box and skid assembly and function testing in our workshop to reduce site work and shorten the construction programme.

QUESTIONS ENGINEERS ASK US

Questions engineers ask us

Cryogenic or PSA for a new solar or battery line?

Below roughly 1,000 Nm³/h and above 99.9% purity, PSA is often the better fit. Above that, or where 99.999% is required continuously, cryogenic gives better specific power and stable purity. We quote both where the boundary is close.

How do you handle variable demand from furnaces?

Through automatic load control across the designed turn-down range, buffer vessels and, where no interruption is acceptable, liquid nitrogen backup that starts automatically.

Is hydrogen recovery worth it?

It depends on hydrogen flow, required re-use purity and local cost. We assess the tail gas composition and calculate recovery ratio and payback before proposing a system.

Can you deliver to a plant that is still under construction?

Yes, and it is the normal case. We coordinate equipment delivery with civil and erection works so the cold box arrives when the foundation and access route are ready.

START WITH YOUR PROCESS

Tell us about your line.

Gas type, flow, purity, load profile, backup requirement and project location are enough for a preliminary configuration and budgetary figure.