國家標(biāo)準(zhǔn)
GB50070-2020······1
1 總則······10
2 術(shù)語······11
3 基本規(guī)定······13
4 礦井井下······17
4.1 供配電系統(tǒng)······17
4.2 電氣設(shè)備及其保護(hù)······18
4.3 電纜線路······20
4.4 電氣設(shè)備硐室······22
4.5 照明······23
4.6 保護(hù)接地······24
5 露天礦采礦場和排廢場······27
6 電力牽引······31
6.1 一般規(guī)定······31
6.2 直流牽引變電所······32
6.3 直流牽引網(wǎng)······33
7 選礦廠······39
7.1 供配電系統(tǒng)······39
7.2 工藝流程控制······40
8 主要固定設(shè)備······42
8.1 礦井提升機(jī)······42
8.2 礦井主通風(fēng)機(jī)······44
8.3 礦井主排水泵······45
8.4 空氣壓縮機(jī)······45
8.5 帶式輸送機(jī)······46
8.6 貨運架空索道······46
本標(biāo)準(zhǔn)用詞說明······48
引用標(biāo)準(zhǔn)名錄······49
附:條文說明······50
2 術(shù)語······53
3 基本規(guī)定······54
4 礦井井下······60
4.1 供配電系統(tǒng)······60
4.2 電氣設(shè)備及其保護(hù)······11
4.4 電氣設(shè)備硐室······63
4.5 照明······65
4.6 保護(hù)接地······65
5 露天礦采礦場和排廢場······66
6 電力牽引······68
6.1 一般規(guī)定······68
6.2 直流牽引變電所······68
6.3 直流牽引網(wǎng)······70
7 選礦廠······72
7.1 供配電系統(tǒng)······72
7.2 工藝流程控制······75
8 主要固定設(shè)備······77
8.1 礦井提升機(jī)······77
8.5 帶式輸送機(jī)······77
8.6 貨運架空索道······77
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