Pulp and paper industry   maintenance guide
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Pulp and paper industry   maintenance guide Pulp and paper industry maintenance guide Document Transcript

  • Pulp & Paper Industries Maintenance, Repair and Operating Products From Dow Corning 1
  • MRO Products From Dow Corning Wood Yard & Chip Preparation Help Keep Your Plant Running Profitably Conveyors Process equipment failure can bring an entire pulp and paper or converting plant to a screeching halt. Keeping that Chains machinery working productively is a tough job calling for Threaded Connections non-stop attention to detail and products that offer depend- Belts able performance, even at extreme temperatures and pressures and in hostile chemical environments. Motors The scientists and engineers at Dow Corning understand the unique demands of pulp and paper processing. They have developed a broad line of general-purpose and specialty lubricants, sealants, fluids and compounds to meet the special needs of your industry. These products can: • Extend machine life • Reduce equipment downtime • Lengthen maintenance intervals • Reduce maintenance time • Increase production • Reduce energy consumption MRO products from Dow Corning help you maximize the efficiency and productivity of your operation. They are formulated to last longer on equipment from gears, to motors, to cutters, enabling your maintenance personnel to spend their valuable time more wisely. The Best Products for the Job No matter how demanding the application, how extreme the temperatures, or how corrosive the environment, Dow Corning has a product tough enough for the job. This brochure can help you select the appropriate products for a wide variety of Pulp and Paper Industry applications, including: • Agitators • Bearings • Belts • Chains • Conveyors • Corrosion Protection • Cutting Applications • Flanges • Gear Boxes Paper Mill Operations • Motors Stock Preparation • Pumps Wet-End Operations • Release • Gear Boxes • Threaded Connections • Pumps • Valves • Valves There are more than 1,500 Dow Corning distributor loca- tions for these products in North America, each equipped to • Flanges efficiently serve the Pulp and Paper Industries. • Motors © ©1999 Dow Corning Corporation. All rights reserved. 2
  • To Pulp Mill Pulp Mill Operations Valves Pumps Agitators Bearings To Paper Mill Dry-End Operations • Oven Dryer Fan Bearings • Cutting Applications • Release • Gear Boxes 3
  • Agitators Motors See “Motors” section. Mechanical Seals • For general purpose lubrication – Dow Corning ® 111 Valve Lubricant & Sealant • For lubricating seals exposed to harsh chemicals and solvents – Dow Corning ® 3452 Chemical Resistant Valve Lubricant – effective over a wide temperature range Bearings Temperature Speed, Application Product Recommendation Range1, °F (°C) Dn Value2 Features/Benefits ® General purpose; Dow Corning BR2-Plus Multi- -20 to 265 250,000 Heavy duty extreme pressure lubricant; agitator motor Purpose E.P. Grease (-28 to 129) contains MoS2; good water washout bearings; sleeve, resistance ball and roller bearings Rolling element Molykote ® G-4700 Extreme -40 to 350 350,000 Synthetic; handles extreme loads and and plain Pressure Synthetic Grease (-40 to 176) applications involving vibration and/or bearings; synthetic shock loading Bearings operat- Dow Corning ® BG 20 High -50 to 360 550,000 Handles high speed, high load, high ing at high Performance Synthetic Grease (-45 to 182) temperature combinations speeds; high- shock load bearing in debarking and chipping equipment Oven dryer fan Dow Corning ® 44 High -40 to 400 300,000 Resists oxidation, moisture, corrosive bearings; lime kiln Temperature Bearing Grease (-40 to 204) atmospheres bearings Oven dryer fan Dow Corning ® 41 Extreme 0 to 550 75,000 Heat stable; resists oxidation, moisture, bearings operating High Temperature Bearing (-17 to 287) corrosive atmospheres at higher tempera- Grease tures; lime kiln bearings Agitator motor Dow Corning ® 3451 Chemical -40 to 450 200,000 Resists deterioration caused by exposure bearings; pulping Resistant Bearing Grease (-40 to 232) to alkaline solutions and water washout; process bearings; high loads; high speeds bearings used in bleaching areas Sealed-for-life Dow Corning ® 3452 Chemical -20 to 450 75,000 Resists deterioration; high loads; low bearings Resistant Valve Lubricant (-28 to 232) speeds 1 Estimated service temperatures based on product formulation and laboratory testing. Actual service temperature range is dependent on other factors including the specific application environment. 2 Dn value = shaft size of bearing in mm x rpm; based on estimate. Belts • To prolong belt life and eliminate squeal – Dow Corning ® 111 Valve Lubricant & Sealant • To reduce wood chip or paper dust build-up – Dow Corning ® 316 Silicone Release Spray 4
  • Chains Corrosion Protection • Dry film lubrication – for dusty areas where wheels and • Dow Corning ® Metal Protective Coating can be applied by sprockets cause excessive wear – Dow Corning ® 321 Dry brush, spray or dip to protect exposed metal parts from Film Lubricant corrosion, extending equipment life, reducing start-up • Lubricating oil – for high-temperature applications where preparation, part clean-up and maintenance time failed lubricants leave residue – Dow Corning ® C-40 High Temperature Chain Lubricant Cutting Applications • Dow Corning ® 557 Silicone Dry Film Lubricant extends Conveyors blade life, sharpening and replacement intervals on • For sticking or stopped rollers, excessive power consump- cutters, slitters, flying and static knives, reducing wear, tion or water washout problems – Dow Corning ® BR2-Plus stick-slip and build-up; will not stain Multi-Purpose E.P. Grease Flanges • For water washout resistance and high load-handling capability on Jack ladders and chain conveyors • For general purpose sealing – Dow Corning ® 732 ® - Dow Corning BR2-Plus Multi-Purpose E.P. Grease – Multi-Purpose Sealant for extreme loads at moderate to high speeds • For chemical exposure – Dow Corning ® 730 Solvent ® - Dow Corning 1122 Chain and Open Gear Lube – Resistant Sealant for high loads and low speeds • For dust and pulp build-up on guide rails – Dow Corning ® 316 Silicone Release Spray • For chip conveyors and other dusty environments – Dow Corning ® 321 Dry Film Lubricant AV02890 Rolls of paper that have been produced using Dow Corning® brand lubricants are being inspected and readied for shipment. 5
  • Gear Boxes Temperature Application Product Recommendation Range1, °F (°C) Features/Benefits ® Gear box seals Dow Corning 55 O-Ring -85 to 350 Reduces leakage by slightly swelling seals Lubricant (-64 to 176) Oil-lubricated gear Dow Corning ® M Gear Oil 0 to 250 Reduces friction and wear; extends equipment life; boxes/speed Additive (-17 to 121) helps reduce power consumption, noise and reducers temperature generation Overhaul, rebuild/ Dow Corning ® G-n Metal 0 to 750 Reduces start-up friction and wear; aids in press fit open gears Assembly Paste/Spray (-17 to 398) and assembly; good pre-coating for gears assembly/run-in Open gears Dow Corning ® 1122 Chain 32 to 320 Thick, tacky consistency sticks to gear teeth; operation and Open Gear Lube (0 to 159) provides extreme-pressure lubrication Dry lubrication for Dow Corning ® 321 Dry Film -290 to 840 Doesn’t collect dust; supplies metal-to-metal open gearing Lubricant (-178 to 448) extreme-pressure lubrication 1 Estimated service temperatures based on product formulation and laboratory testing. Actual service temperature range is dependent on other factors including the specific application environment. Dow Corning ® M Gear Oil Additive saves company $56,700 per year A pulp and paper mill producing 600 tons of paper a day reported that by using Dow Corning ® M Gear Oil Additive in their paper machine gear reducers, they were able to reduce power consumption by about 15 percent, which translated to an annual cost savings of $56,700. When added to premium-grade mineral oil, M Gear Oil Additive reduces metal-to-metal friction, which not only reduces energy consumption, but also prolongs gear life. AV02889 Motors Shafts • To protect motor shafts and metal parts from corrosion – Dow Corning ® Metal Protective Coating Motor Windings • For extra protection against moisture and dust – Dow Corning ® 1890 Protective Coating Motor Bearing Grease Recommendations See “Bearings” section. Threaded Connections See “Threaded Connections” section. 6
  • Pumps Seal Dressings • Where swelling is needed – Dow Corning ® 55 O-Ring Lubricant • Other – Dow Corning ® 111 Valve Lubricant & Sealant Vacuum Pumps • Seal gaskets with low-volatility Dow Corning ® High-Vacuum Grease Release • Dow Corning ® 316 Silicone Release Spray - A general-purpose release coating that reduces clean- up by reducing wood chip or paper dust build-up - Can be used on embossing rolls to speed production Threaded Connections Disassembly • Pene-Lube™ penetrates rusted, difficult-to-disassemble connections, displacing water, aiding non-destructive disassembly • Moly Pene-Lube ™ – general-purpose lubricant; contains MoS2 for improved disassembly and load handling Pre-Assembly • General purpose – Dow Corning ® 1000 High Temperature Anti-Seize Paste – reduces friction, aids assembly, seals and aids in non-destructive disassembly • Stainless steel and other alloys – Molykote ® P 37 Ultrapure High Temperature Paste – non-metal antiseize • Lead screws - For grease lubrication – Dow Corning ® BR2-Plus Multi Purpose E.P. Grease Dow Corning® brand sealants can resist many harsh chemicals - To avoid dust build-up on manual screws – used in the paper making process. Dow Corning ® 321 Dry Film Lubricant Valves Temperature Application Product Recommendation Range1, °F (°C) Features/Benefits Bleaching process Dow Corning ® 3452 Chemical -20 to 450 Resists chemical attack and chlorine bleach-out; valves Resistant Valve Lubricant (-28 to 232) heavy load ability; water-resistant; NLGI 3 Water and non- Dow Corning ® 111 Valve -40 to 400 Thick, tacky, grease-like; excellent plastic and aggressive chemical Lubricant & Sealant (-40 to 204) rubber lubricant valves; plug, ball, gate, butterfly and automated valves O-rings where slight Dow Corning ® 55 O-Ring -85 to 350 Resists water washout; non-melting; protects and swelling is required Lubricant (-64 to 176) lubricates valves 1 Estimated service temperatures based on product formulation and laboratory testing. Actual service temperature range is dependent on other factors including the specific application environment. 7
  • Dow Corning Select-A-FAX sm Dow Corning ® 316 Silicone Release Spray ................................................. 1072965 Free product data sheets for the products described in this brochure are available by fax 24 hours a day, Dow Corning ® 321 Dry Film Lubricant ............. 1080965 7 days a week through Dow Corning Select-A-FAX. Dow Corning ® 557 Silicone Dry Film 1. If you are a Dow Corning customer, call 1-800-44- Lubricant ........................................................ 1080865 FAX-DC (1-800-443-2932) on a touch-tone phone; Dow Corning ® 730 Solvent Resistant if you are a Dow Corning distributor, call 1-800- Sealant ............................................................ 1080765 932-9489. Dow Corning ® 732 Multi-Purpose Sealant ......... 1062665 2. Follow the simple, voice-prompted instructions; be Dow Corning ® 1000 High Temperature prepared to provide the literature number(s) for Anti-Seize Paste .............................................. 2558665 the data sheets you would like (see list below). Dow Corning ® 1122 Chain and Product Literature # Open Gear Lube ........................................... 2478765 Dow Corning ® Sealant Selector Guide .............. 2599565 Dow Corning ® 1890 Protective Coating ........... 1082365 Dow Corning ® BG 20 High Performance Dow Corning ® 3451 Chemical Resistant Synthetic Grease ............................................ 2537965 Bearing Grease .............................................. 1081365 Dow Corning ® BR2-Plus Multi-Purpose Dow Corning ® 3452 Chemical Resistant E.P. Grease ..................................................... 7142065 Valve Lubricant ............................................. 1081365 Molykote ® P 37 Ultrapure Molykote ® G-4700 Extreme High Temperature Paste ............................... 1071665 Pressure Synthetic Grease ............................. 1086465 Dow Corning ® C-40 High Temperature Dow Corning ® G-n Metal Chain Lubricant ............................................ 7135365 Assembly Paste/Spray .................................... 7148565 Dow Corning ® 41 Extreme High Dow Corning ® High-Vacuum Grease ................. 2291165 Temperature Bearing Grease ........................ 1081465 Dow Corning ® M Gear Oil Additive ................... 7134965 Dow Corning ® 44 High Temperature Bearing Grease ............................................... 1081465 Dow Corning ® Metal Protective Coating ........... 7131065 Dow Corning ® 55 O-Ring Lubricant .................. 1077365 Moly Pene-Lube ™ ................................ Call Dow Corning Dow Corning ® 111 Valve Pene-Lube ™ .......................................................... 7104665 Lubricant & Sealant ....................................... 7144865 Dow Corning Americas Corporate Headquarters Dow Corning Corporation P.O. Box 994 Midland, Michigan 48686-0994 Phone: (517) 496-4000 Your Dow Corning Distributor: Dow Corning believes that the information in this publication is an accurate description of the typical characteristics and/or uses of the product or products, but it is your responsibility to thoroughly test the product in your specific application to determine its performance, efficacy and safety. Suggestions of uses should not be taken as inducements to infringe any particular patent. Dow Corning and Molykote are registered trademarks of Dow Corning Corporation. Pene-Lube and Moly Pene-Lube are trademarks of Dow Corning Corporation. Printed on recycled paper. Printed in USA AGP4278 Form No. 10-894-99 Dow Corning Corporation Midland, Michigan 48686-0994 FC AV3733 8