【正文】 ....................... 8 煤的可選性 ............................................................................................................... 15 選煤工藝的確定 ............................................................................................................. 16 工藝比較 ................................................................................................................... 16 第 4 章 工藝流程計(jì)算 .............................................................................................................. 22 原煤計(jì)算 ......................................................................................................................... 22 脫泥部分計(jì)算 ................................................................................................................. 22 重介旋流器部分計(jì)算 ..................................................................................................... 23 浮選部分計(jì)算 .................................................................................................................. 24 磁選部分計(jì)算 .................................................................................................................. 24 第 5 章 水量及介質(zhì)流程計(jì)算 ................................................................................................ 26 入選原煤帶入懸浮液的計(jì)算 .......................................................................................... 26 工作介質(zhì)的計(jì)算 ............................................................................................................. 27 分選作業(yè)的計(jì)算 .............................................................................................................. 28 精煤脫介作業(yè)的計(jì)算 ...................................................................................................... 31 中煤脫介作業(yè)的計(jì)算 ...................................................................................................... 33 矸石脫介作業(yè)的計(jì)算 ..................................................................................................... 35 所需分流量、補(bǔ)充水量及補(bǔ)加濃介質(zhì)的計(jì)算 ............................................................. 37 濃縮作業(yè)的計(jì)算 ............................................................................................................. 39 磁選作業(yè)計(jì)算 ................................................................................................................. 39 II 煤泥水處理系統(tǒng) ........................................................................................................... 40 平衡表的編制 ................................................................................................................ 41 第 6 章 設(shè)備選型計(jì)算 .............................................................................................................. 44 主要工藝設(shè)備選型原則與各車間不均衡系數(shù) ............................................................. 44 主要工藝設(shè)備選型原則 ........................................................................................... 44 選煤廠各環(huán)節(jié)不均衡系數(shù) ....................................................................................... 44 主要工藝設(shè)備的選型與計(jì)算 ......................................................................................... 45 預(yù)先篩分設(shè)備的選取 ................................................................................................ 45 破碎設(shè)備的選取 ........................................................................................................ 45 脫泥篩的選 取 ............................................................................................................ 46 三產(chǎn)品重介質(zhì)旋流器的選取 ................................................................................... 46 脫介設(shè)備的選取 ....................................................................................................... 46 精煤離心機(jī)的選取 .................................................................................................... 48 磁選設(shè)備的選取 ........................................................................................................ 48 浮選機(jī)的選取 ........................................................................................................... 49 精煤過(guò)濾機(jī) ............................................................................................................... 49 尾煤濃縮機(jī) .............................................................................................................. 49 浮選尾煤脫水設(shè)備的選取 ...................................................................................... 50 第 7 章 工藝布置 ...................................................................................................................... 51 地面工藝總布置 ........................................................................................................... 51 選煤廠地面工藝總布置原則 .................................................................................... 51 地面工藝總布置 ....................................................................................................... 51 地面工藝總布置特點(diǎn) ................................................................................................ 53 各車間工藝布置 ........................................................................................................... 53 原煤儲(chǔ)煤場(chǎng) ................................................................................................................ 53 主廠房 ........................................................................................................................ 54 濃縮車間 .................................................................................................................... 55 產(chǎn)品儲(chǔ)裝運(yùn)系統(tǒng) ........................................................................................................ 55 排矸系統(tǒng) .................................................................................................................... 56 生產(chǎn)輔助設(shè)施 ............................................................................................................ 56 工藝布置總結(jié) ............................................