blower engineering - international association of ... · blower engineering. brainerd mn. august,...
TRANSCRIPT
![Page 1: Blower Engineering - International Association of ... · Blower Engineering. Brainerd MN. August, 8. th, 2019. Presented by: Tom Byrnes Jr. Pneumatic Conveying Above 15 PSIG](https://reader033.vdocuments.site/reader033/viewer/2022042919/5f610dd6c8b5222df63489c1/html5/thumbnails/1.jpg)
Blower Engineering
Brainerd MN.August, 8th, 2019Presented by: Tom Byrnes Jr.
Pneumatic Conveying Above 15 PSIG
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Company Background
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Raw Materials
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Rotor Machining
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Endplate/Cylinder Machining
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Blower Assembly and Testing
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18 Blower Models
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Weather Proof Acoustic Enclosure
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• Removable panels for oil changes, replacing parts.
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• Double doors for easy access
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• < 75 dba. @ 15 psig (3ft. field conditions)
• Weather proof
• Residential areas
• Outdoor applications
Key Benefits
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Knock Down Acoustic Enclosure
• Alternative to acoustic enclosure• Easily erected around existing equipment
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Intake Filter Silencer
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New Filter Silencer DesignOld Design New Design
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Intake Filter Silencer
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Filter Restriction Indicator
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Discharge SilencerPACKING
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Check Valve
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Non contacting, Air / Oil Seal
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FPZ
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Standard or “Exotic” micron or HEPA elements available
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Two Lobe vs Tri-Lobe
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1a - Gas enters inlet port
1b – Gas is trapped between rotor tips
1c – Gas pressure is equalized gradually 1d – Gas exits discharge port at system pressure
Tri-Lobe Blower Limited to 15 psig
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Pneumatic Conveying System
Blower
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Dry Screw Compressor, above 15 psig
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American Society of Mechanical EngineersBoiler & Pressure Vessel Code
• First edition written in 1914 after several boiler explosions in early 1900’s.
• Pressure Vessels: containers which are designed to hold liquids, vapors, or gases above 15 psig
• Must be built to BPVC Code, signed off by Authorized Inspector, Insured, yearly inspections etc.
• All Components must be certified pressure vessel rated.
• Certified pressure vessel welder required to fabricate components.
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Pneumatic Conveying System
Screw Compressor
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Pressure Relief Valve
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Check Valve
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Morris Coupling Pressure Rating
• Designed for Vacuum and Pressure applications up to 15 PSIG/15” HG in pneumatic conveying or IVAC systems.
• Exceeding max pressure rating can result in coupling blowing off; unexpected downtime, injury, etc.
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Flanged Connection, Root and Filler Weld
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Weld Neck Flanged Connection
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Air Lock
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Magnet
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In-Line Sifter
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Diverters
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Diverters
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Diverters
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Recap• Pressure Vessels: containers which are designed to hold
liquids, vapors, or gases above 15 psig
• Must be built to BPVC Code, certified for pressure vessel application, signed off by Authorized Inspector, Insured, yearly inspections etc.
• All Components must be certified pressure vessel rated, including, all piping, silencers, check valve, air lock, diverter, magnet etc.
• Certified pressure vessel welder required to fabricate components; all joints needed to be welded
• Increased cost for installation and operation