Q400 noise dosimeters were set to moni tor an MSHA permissible exposure level PEL of 100 percent or an eighthour timeweighted average TWA8 of 90 dBA Specific parameters of this setting include Aweighting 90 dB Threshold and Criterion Levels 5 dB Exchange Rate Slow Response and a 140 dB Upper Limit...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.Get Price
Rotation Speed: 0.1–5 r/min
Production Capacity: 21-155TPH
Product Specification: φ1.83×7～φ4.6×14m
Feeding Size: ≤25mm
Production Capacity: 200t/d-8,000t/d
Technological Features: Crushing raw materials, pre-homogenizing materials, arranging ingredients, efficient grinding, homogenizing materials, suspending pre-heater and decomposing furnace, new type cooler, cement dosing and grinding.
Feeding Size: 200-350mm
Discharging Size: 25-35mm
Production Capacity: 5-150TPH
Feeding Size: 160-240mm
Production Capacity: 40-390TPH
Applied Material: River gravel, limestone, granite, basalt, diabase, andesite, tailings,etc.
Feeding Size: ≤25-≤30mm
Discharging Size: 0.125- 0.044mm
Production Capacity: 2-176TPH
Feeding Size: 300-700mm
Processing Capacity: 30-250TPH
Applied Materials: River gravel, limestone, granite, basalt, diabase, andesite, tailings,etc.
Cement grinding plant is the final stage in the production of cement, which is separated from the finished cement production units. It mixes cement clinker with other certain amount of mixed materials for grinding, and then produces the finished cement....
Feeding Size:≤25mm Production Capacity:200t/d-8,000t/d
In this plant, gold ore is mainly natural gold among the ore to be processed, but it is mostly distributed in the crack of poisonous sand, pyrrhotite and quartz crystal gap, which significantly improves the processing difficulty of the gold ore. The custo...
Processing capacity: 1200T/DApplied material: Natural Gold
Hematite ore is an important mineral resource. With 70% iron content and the large iron output capacity, hematite is the most important iron ore. To improve the comprehensive usage efficiency of hematite, hematite beneficiation process is necessary. We ne...
Processing capacity: 10-280 t/hApplied material: magnetite, pyrrhotite
Gold ore whose types of deposits are diverse and complex is the mineral assemblage of gold. With features of chalcophile affinity and high melting point, the gold ore includes conglomerate type, porphyry type, quartz vein type and volcanic rock type, etc....
Brand Name: Fote Machinery Application: Ore concentrate/separator plant
Q400 noise dosimeters were set to moni tor an MSHA permissible exposure level PEL of 100 percent or an eighthour timeweighted average TWA8 of 90 dBA Specific parameters of this setting include Aweighting 90 dB Threshold and Criterion Levels 5 dB Exchange Rate Slow Response and a 140 dB Upper LimitGet Price
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TYPICAL NOISE LEVELS OF CONSTRUCTION EQUIPMENT Equipment Type Typical Sound Level at 50 ft dBA Backhoe 80 Bulldozer 85 Compactor 82 Compressor 81 Concrete Mixer 85 Concrete Pump 82 Crane 88 Crane Mobile 83 Loader 85 Pavement Breaker 88 Paver 89 Pile Driver Impact 101 Pump 76 Roller 74 Truck 88 Source Federal Transit AdministrationGet Price