Interesting article found by cashbag https://www.sciencedirect.com/science/article/pii/S2451904923001191?via%3Dihub
cashbags comment:
I see they encountered the same leaky furnace problem causing NOx emissions,which they reduced by sealing some of the leaks,and described a pathway to eliminating NOx.the recycle/closed loop looks interesting.
job offer by PYR
https://www.pyrogenesis.com/job/industrialconstruction-and-maintenance-mechanics-technician/
One of the tasks
- Install pneumatic valves such as butterfly valves
Butterfly valves with pneumatic actuator
Pneumatically operated butterfly valves are used very frequently because they are much safer compared to electrical variants when used in a plant area that is at risk of explosion. Pneumatic actuation can be implemented using two types of actuators.
- Double-acting: The butterfly valve is opened and closed by compressed air.
- Single-acting: With pneumatic single-acting actuators butterfly valves, the valve is only actuated in one direction by compressed air. A package of springs is preloaded. The restoring forces of the springs then cause actuation in the other direction.
Could maybe solve leaky furnaces problems