gyratory crusher accidents trapped metal

Clearing Blocked Crushers

Stop the feed to the crusher at the earliest opportunity. Remove excess material by mechanical means where possible before the cause of the blockage can be dealt within where an amount of removal by hand is necessary the crusher and associated plant must be stopped and isolated. Manual removal should only be carried out by suitably trained and ...

Mines Safety Significant Incident Report No. 13 Tramp …

2022-6-2 · serious damage to the structure before ricocheting onto a steel beam and then landing back within the jaws. Subsequent examination showed that the tramp metal was a ripper boot from a large bulldozer. COMMENT There is no doubt that, had this piece of metal struck any person in the vicinity of the crusher, a fatality would have been the result.

Gyratory Crushers

2016-2-17 · The primary rock breaker most commonly used in large plants is the gyratory crusher, of which a typical section is shown in Fig. 5. It consists essentially of a gyrating crushing head (521) working inside a crushing bowl …

MNM Serious Accident Alert

2022-5-7 · Mine Safety and Health Administration 201 12th St S Suite 401 Arlington, VA 22202-5450 TTY 202-693-9400

Analysis of Common Failures and Causes of Cone Crusher

2021-8-20 · The crusher often vibrates. 1) For spring cone breaking, when the spring tension of the crusher is not enough, the crusher will often vibrate. 2) When the feeding of the crusher is uneven or excessive, it will often cause the crusher to vibrate. 3) When there is too much fine ore in the feed of the crusher and it is wet, the ore discharge port ...

UNITED STATES Metal and Nonmetal Mine Safety and …

2019-6-8 · On the day of the accident Michael Murray (victim) and Jerald Gerleve, mill operator, reported to work at 6:00 a.m., their normal starting time. About 6:20 a.m., they drove a company truck to the crusher building to relieve the night crew. Murray took over the crusher operations about 6:35a.m. and remained in the crusher control room. At 1:00

Fault Diagnosis of the Gyratory Crusher Based on Fast …

2021-6-25 · Gyratory crusher is a kind of commonly used mining machinery. Because of its heavy workload and complex working environment, it is prone to failure and low reliability. In order to solve this problem, this paper proposes a fault diagnosis method of the gyratory crusher based on fast entropy multistage VMD, which is used to quickly and accurately find the possible fault …

Final Report

2013-8-5 · OVERVIEW. On August 5, 2013, Willard J. Moser, Plant Operator, age 55, was killed while standing near an operating cone crusher. When he looked into the cone crusher, a tooth, that had broken free from an excavator bucket, was ejected from the cone crusher and struck him. The accident occurred due to management''s failure to establish and ...

Crushers

2016-10-23 · The crusher weighed 225 tons and was belt- driven by a 250-B.HP. motor to give a speed of 23 r.p.m. to the crushing-roll. The feed-size reached a maximum of 4 feet by 7 feet and the crusher, when adjusted for a 7-inch …

Welding accident

 · Welding accident. Page 1 of 2 1 2 Last. Jump to page: Results 1 to 10 of 12 Thread: Welding accident. Thread Tools. Show Printable Version; ... The machine he is sitting in is a large Primary Gyratory Crusher. When a piece of metal becomes jammed in a gyratory or cone crusher, it is under immense pressure. If the crusher mainshaft (centre or ...