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The Hospital For Remedying The Blockages Of Mobile Crusher

The hospital for remedying the blocked crushers mobile crushers are used in a wide range of industries, including quarrying, ore processing and recycling of demolition waste.This guidance is for all those with responsibilities for the operation of mobile crushers, including contract managers, supervisory staff and operators of these machines.It covers the safe operation of the mobile crushing operation and includes guidance on clearing blocked crushers.This guidance cannot cover every risk and is not comprehensive.It does not attempt to detail individual machinery safety concerns, but will only highlight those key matters of concern.Action when a crusher becomes blocked have a nominated person to supervise the activity and call for assistance as necessarystop the feed at the earliest opportunityremove excess material by mechanical means where possible before the cause of the blockage can be dealt withinin some cases, however, an amount of removal by hand will be involved and when this occurs the crusher and associated plant must be stopped and isolatedmanual removal should only be carried out by suitably trained and competent personshazards encountered may be: poor or difficult accessaccidental start up of feeder, crusher or adjacent plantbeing struck by material from the feeder, chute or projected materialthe movement of any material present inside the crusherslipping and fallingmanual handling of rocks and equipmentunexpected movement of crusher componentsdamaged electrical cablenoisestored energy from electrical, hydraulic, compressed air, mechanical sources and gravityunsafe placement of material removed from the crusher.Clearing blockages bridged crushers the preferred method of clearing a bridged crusher is by the use of a hydraulic arm (typically a360 excavator fitted with a quick hitch bucket attachment and either a static pick or a hydraulic hammer available).Depending on the result of your risk assessment, clearing out a bridging blockage with a hydraulic arm (with pick attachment) may be carried out with or without the crusher still operating.Use of cranes (including manually operated lifting tackle), lifting and slinging when hydraulic arms are not available and cranes slung with hooks have proved ineffectual, other methods are necessary.When it becomes necessary for a person to enter the crusher to position hooks or slings, the crusher and feeder must be stopped, isolated and locked off (in accordance with manufacturers/suppliers instructions) and safety harness worn.Other available options where other options are to be considered they should be subject to a detailed and thorough risk assessment.The crusher should be shut off and isolated before considering the use of bars and hand hammers.Careful consideration should be given to the risk of large pieces of feed material moving and causing trap or crush injuries.Wedges should not be used due to the risk of them becoming a projectile (this has caused fatalities in the past).Other options, which require more specialist expertise and competence, include: gas or chemical expansion, hydraulic ramp plates, permanently mounted hydraulic breaker (may include the use of closed circuit television cctv to assist the operator), use of explosives.Mobile crushers are versatile pieces of equipment with many uses.A properly planned operation will be efficient, safe and productive.A poorly planned operation will be unproductive, dangerous and inefficient.Mobile crushers: http://www.Hxjqchina.Com/product-list_21.Htmlmobile crusher: http://www.Hxjqchina.Com/product-list_21.Html spiral separator: http://www.Hxjqchina.Com/product-list_37.Htmlsand making machine: http://www.Crusher-machine.Com/18.Html.

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