An Air Knife is a tool used to blow off liquid or debris from products as they travel on conveyors. Air knives are normally used in manufacturing or as the first step in a recursive recycling process to separate lighter or smaller particles from other components for use in later or subsequent steps, post manufacturing parts drying and conveyor cleaning, part of component cleaning. The knife consists of a high intensity, uniform sheet of laminar airflow sometimes known as streamline flow.
An industrial air knife is a pressurized air plenum containing a series of holes or continuous slots through which pressurized air exits in a laminar flow pattern. The exit air velocity then creates an impact air velocity onto the surface of whatever object the air is directed. This impact air velocity can range from a gentle breeze to greater than Mach 0.6 (40,000 ft/min) to alter the surface of a product without mechanical contact.
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Ring Blowers for Waste Water Treatment Plants
In modern days of “Green Environment” Wastewater/Sewage/Effluent Treatment Plants have become integral & important component of most industrial and residential projects.
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Drying And Cleaning Of Bottles
Final product appearance is critical in all industries, but perhaps none more so than the beverage and food industry. Brands compete for discerning customers’ attention in an increasingly competitive market where even the smallest imperfection can be enough to sway the purchasing decision. This is especially true for the major retailers and supermarkets that expect exacting standards in product presentation. Any distortion of labels or sleeves can be the difference between securing that key customer.
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Blower Assisted Air Knife System
Use Of Compressed Air Justified for Drying & Blow off
Most of us believe that air is free
True, however compressed air is not free
You require a lot of electrical energy, to compress the air, and store for later use
Due to its inherent nature, when air is compressed, lot of heat is generated
This heat is normally dissipated in the atmosphere
The dissipated heat is a lost energy
This energy will never be recovered and may amount to nearly 30% of input costs
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Air Filters, Pressure Regulators & Lubricators Application
Air Filters, Pressure Regulators & Lubricators applied in:
Pneumatic conveyors
Beverage dispensers
Spray paint equipment
Pneumatic power system
Air logic and control circuits
Laboratory and process gas usage
Cooling and protecting sensitive instruments
Air bearing for mechanical power transmission
Aeration in pharmaceutical and chemical processes
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High Pressure Blowers Application
Chemical Processing Applications - Liquid or Solid:
Easily transfer powders and other chemicals
Transfer pellets, foam, granules and other light solids
Form air layers to facilitate loading granules
Mix sediment, chemicals, paint and other liquids
Manufacturing Applications:
Process cards, cash, mail; sheeting and other routine sorting projects
Remove excess material in cutting and stamping processes
Textiles Applications:
Assist in the sewing process
Keep threads and yarn in place during processing
Hold product in position during knitting, sewing, and applique processing
Other Applications:
Paper Drying: Aid ink drying process
Banking: Shoot containers through duct work with forced air
Medical and Dentistry: Adapts to vacuum based medical and dental equipment
Construction/ Clean Rooms: Remove powders, dust and gases from tunnels, laboratories, clean rooms or other enclosed spaces
Spas and Whirlpools: Aerate indoor or outdoor pools for medicinal and relaxing effects
Bottling: Fill, cap and dry bottles
Food Processing: Gently handle fragile food products like eggs
Paper Transfer: Move Paper through the printing process
Feeding: Feed paper into printing machines
Post Processing Sorting: Sort and count cards, envelopes and paper
Punch Collection: Collect waste paper after hole punch processing
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Applications of Air Knife Systems
Below are some typical drying applications by air knife systems:
Beverage/Jam/Pickle/ Bottle Drying
Cans Drying
Food Packets/Pouch Drying
Vegetable Drying
Food Handling Tray Drying
Bakery Products Drying
Confectionery Drying
Paper Drying
Bucket Conveyor Drying
Drying of Parts after wash
Adhesive Drying
Metal Sheet Drying
Glass Sheet Drying
Plastic Film Drying
Plastic Extrusion Drying
Textile Drying
PCB Drying
Aluminum Foil Drying
Belt Conveyor Drying
Some other applications of air knife system:
Blow off / Cleaning of Parts
Coating control of Adhesive
Blow off / cleaning of oil from Parts
Coating control of wax on film
Blow off of excess oil from food products
Coating control of chocolate layer on ice cream
Blow off of onion skins
Coating control of POP on Plaster Board
Blow off of Bread crumbs from moulds
Coating control of ice surface
Blow off of extra seeds from bread
Static removal with ionized air before painting /packing
Blow off of extra Debris / fibers from sweet corn
Air curtain for surface protection
Blow off of release agents from confectionery
Separating/Sorting different weight products
Blow off of release agents from rubber belts/extrusion
Cooling of PCB/ Batteries
Blow off of loose fibers from textile
Cooling of parts
Shrink packaging
Air curtain/Barrier to contain unwanted foreign particles
Impregnation of surface
Surface Protection of lens against foreign Particle impeachment
Floating light products such as granules / capsules etc. while conveying
Raico Engineers No. 14/A F, 1st Floor, New Empire Industrial Estate, Kondivita Road, J. B. Nagar, Off Andheri-Kurla Road, Andheri East Mumbai - 400059, Maharashtra, India