Inside a Knife River crushing operation : Pit & Quarry
Mar 16, 2018· The quarry, which belongs to Knife River Corp., invested in an Elrus portable crushing plant to take advantage of an expected surge in aggregate business. The plant consists of a CJ412 jaw crusher and a CH550 high-speed cone crusher. The company selected this plant in part because of its portability.
Knife Crusher - Honest Shredder
Knife crusher is a common equipment in solid waste recycling industry. The knife crusher is suitable for crushing plastic, PVC,PET,PS,ABS sheet, and plastic board, plastic pipes,plastic bottles and other plastic packaging materials, rubber, paper, wood, copper wire, aluminum plastic, etc, with the features of high quality, high hardness, low price, wear-resistance.
Regular crusher maintenance integral to reliability
Aug 08, 2017· Performing regular maintenance on crushers is integral to the reliability, performance and output they achieve. Prevention is better than cure; by carrying out regular inspections operators will ensure their crusher runs for a longer period of time with minimal unscheduled downtime.
Jaw crusher maintenance : Pit & Quarry
Feb 01, 2014· To prevent crusher damage, downtime and difficult maintenance procedures, the hydraulic overload relief system opens the crusher when internal forces become too high, protecting the unit against costly component failure. After relief, the system automatically returns the crusher to the previous setting for continued crushing.
Knife River - Home Page
Knife River Statement on COVID-19. Construction is very much a people-first business. As the situation with COVID-19 (coronavirus) continues to evolve, Knife River’s priority remains the safety and health of our team members and the public.
Construction, Working and Maintenance of Crushers for
6 Construction, Working and Maintenance of Crushers for Crushing Bulk Materials .practicalmaintenance shown in above figure, a closed circuit crushing system is a means of controlling product top size by screening the product and then returning oversize material to the feed end of …
Tips for Crusher Maintenance - Thomasnet
Nov 28, 2018· Follow crusher backing maintenance schedule carefully to avoid undue damage to equipment. Every 40 hours, check for leaks and inspect Y strainers. Every month, inspect safety devices and perform an oil analysis. At least once per year (or every 2,000 hours) change all oil.
Avoid Unplanned Downtime: 5 Crusher Maintenance Best Practices
Feb 26, 2019· Avoid Unplanned Downtime: 5 Crusher Maintenance Best Practices Too many companies don’t invest enough into their equipment maintenance, and ignoring maintenance issues doesn’t make the problems go away. “According to leading aggregate producers, repairs and maintenance labor average 30 to 35 percent of direct operating costs,” says Erik