Kitty brand MYQ mining cable technology Keywords
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Mine cable use and maintenance
Power cable as the source of underground mine electrical and mechanical equipment should be taken in connection with the maintenance and attention to this work, it is essential for the safe production <br> <br> mine maintenance and overhaul of cable
MYQ mining cable periodic preventive testing system. Regular preventive testing of high-voltage cables in operation is an important means of discovering cable defects. The cables that failed the test should be replaced in time. The insulation resistance value of the cable varies with the length and temperature of the cable. For comparison purposes, it should be converted to a value per kilometer at a temperature of 20°C. Armored power cable insulation resistance of each wire pair should comply with standards developed skin following requirements <br> <br> CR mineral flame retardant compound of the cable sheath
This paper introduces the development of low-smoke flame retardant CR cable sheathing compound. 120, antimony trioxide / molybdenum trioxide 13, light calcium carbonate 20, paraffin wax sheathing compound optimized formula: CR100, magnesium hydroxide / aluminum hydroxide 5, plastic Jing Jing DOP2, antioxidant HW-011, Accelerator TMTD1, accelerator DM1, accelerator NA-221, zinc oxide 5, other 2-5. The finished cable jacket prepared from the formula rubber has good flame retardancy and smoke suppression performance and physical properties.
Development of electric semiconductive shielding layer rubber for mine cable
MYQ mining rubber sheathed cable is introduced for the development of semiconductive shielding layer rubber compound for mine cable. The composition of the NBR semiconductive shielding layer rubber composition is: nbr2707100; conductive filler 100; zinc oxide 10; accelerator TMTD4.0; dioctyl phthalate (DOP) 23.0; remaining compounding agent 13.0, totaling 250. Ethylene vinyl acetate rubber (EVA) semi-conductive shielding layer rubber formula: EVA (LEVAPREN560) 100; conductive filler 100; dicumyl peroxide 3.0; triallyl isocyanate 3.0
Mine cable features and selection
According to the classification of mining cables, the characteristics and selection methods of various types of mining cables are analyzed, and some common problems in the current cable industry are analyzed and discussed.
Study on neoprene sheathed rubber for high flame-retardant and high-resistance cable
MYQ Mine Lightweight Mobile Flexible Cable With the rapid development of China's national economy, the coal industry has developed rapidly as one of the key industries in the world today. The safety of mines has also attracted the attention of relevant departments. Due to the poor working environment underground, various accidents will threaten the safety of mines and the personal safety of miners. General attention. To prevent miners working underground in fire accidents, coal mine safety issues, equipment and materials has been growing developed <br> <br> corrosion retardant mine cable rubber sheath attention
Flame retardant anti-corrosion rubber sheathing formula design of MYQ soft-coiled cable: High-polymer selection of chlorosulfonated polyethylene/chlorinated polyethylene/chloroether rubber and use ratio of (40-60)/(20-30) Good; peroxides are selected for the vulcanization agent, TAIC and HVA-2 are selected for the co-crosslinking agent, and barium sulfate, washed clay, talcum powder, quartz powder, semi-reinforcing carbon black, and highly wear-resistant carbon black are selected for the reinforcing filler. The flame retardants are selected from the group consisting of antimony trioxide, phosphate esters, aluminum hydroxide, halogen-containing compounds, and other two or more flame retardants. The plasticizers are chlorine-containing and phosphorus-containing flame retardant plasticizers. Anti-aging agent used anti-aging agent NB
Development of high strength and high tear resistant rubber sheath for mining cable
The use of G-type and W-type neoprene rubber and rational selection of vulcanization system and filling system have resulted in the development of a high-strength, high-tear-resistance rubber sheath that meets the requirements of GB 12972-91 for mining cables.