Pulp and Paper Industry Blowers

NISCO Fan Co. offers various designs of industrialcan be in either belt or direct drive arrangements.
fans and blowers for Pulp and Paper Industry.Lime Kilns may be used to recover lime used in
The paper manufacturing industry utilizes fans forpaper manufacturing. The fans used in this
power boilers, recovery boilers, lime kilns,process often require high pressure and handle
dissolving tanks, and dryers. These applications,corrosive gas streams. Straight radial or radial
which are integral to the production process, aretipped blade designs, 304L or 316L stainless steel
often very corrosive. Reliability and durability ofconstruction and special shaft seals are often
fans and blowers for such applications are vital foremployed.
continuous operation. NISCO fans for demandingDRYERS
and corrosive applications ofer real value - savingMany dryers are used in the paper manufacturing
on future downtime and maintenance costs.process. These drying applications utilize fans
BOILERSextensively. Most of these applications are not
Boiler fans create efficient combustion byextremely demanding on the fan equipment -
supplying a consistent and reliable ait flow. Induceexcept the Yankee Dryers that are used for the
Draft Fans (I.D. Fans) operate at elevatedmanufacturing of tissue, and require a rugged fan
temperatures and draw the air stream throughdesign to handle high temperature (up to 800 F)
the combustion chamber, then push it throughand pressure requirements. Arrangement 8 direct
pollution control equipment. Forced Draft (F.D.driven fans allow for access and maintenance of
Fans) or Combustion Air Fans push the air streamfan components. Accessories often include
into the boiler combustion chamber. Multi-Fuellabyrinth or lip type shaft seals, insulated housings
Burning Power Boilers are used to create steamor thermal blankets, raised access doors, shaft
for different power needs. Induced Draft Fans arecooling wheel and safety guards.
typically AMCA arrangement 3, single or doubleTough applications mean tough fans and blowers
inlet with inlet box(es). Wheels often requireby NISCO Fan Co. NISCO is a world wide
abrasion resistant construction with radial tip ordistributor of industrial process ans OEM fans and
backwardly curved blades. Combustion Air FDblowers, as well as fan / blower components;
Fans are typicallyconstructed of carbon steel, andincluding high pressure blowers, high temperature
utilize airfoil or backward inlined blade design.fans, spark resistant and explosion proof
Common AMCA arrangements for combustion airventilators, tubeaxial and vaneaxial high pressure
fans are arrangement 3 and 8, both with inletventilators. NISCO Fan Co. also does existing fans
vane or outlet damper control.and blowers repairs, re-build, as well as dynamical
EXHAUST FANSwheels balancing. High-efficiency impellers result in
Exhaust Fans are typically used on the suctionlow power consumption, operating costs, and
side of a scrubber or fabric filter, and pull the air /quieter operation. All metal hardware is completely
gas stream through the piping and cleaning device.sealed from exposure to corrosion by
Dissolving tanks are used in conjunction withincapsulating into FRP or plastic; the steel support
Recovery Boilers to recapture process chemicals.frame and motor base are powder coated with a
Exhaust Fans draw hydrogen sulfide or sulfuriccorrosion-resistant finish. In addition to being highly
acid fumes through a wet scrubber. Thisresistant to chemical corrosion, PP fans are
corrosive atmosphere can require either FRP,self-extinguishing and will not support combustion.
stainless steel or alloy construction. Exhaust fans