GB50620-2020······1

1 總則······19

2 術語······20

3 工藝設計······23

3.1 一般規定······23

3.2 長絲工藝······26

3.3 短纖維工藝······27

3.4 主要原料和產品的標準······27

3.5 節約資源······29

4 工藝設備······30

4.1 一般規定······30

4.2 工藝設備選擇······31

4.3 工藝設備布置······31

5 管道······33

5.1 一般規定······33

5.2 管道布置和選材······33

6 輔助生產設施······36

6.1 一般規定······36

6.2 精密室······36

6.3 化驗室、物理檢驗室······36

7 自動控制和儀表······38

7.1 一般規定······38

7.2 控制水平······38

7.3 主要檢測控制方案······39

7.4 控制設備選型······39

7.5 特殊儀表選擇······41

7.6 儀表安全······41

7.7 生產智能化······42

8 電氣······43

8.1 一般規定······43

8.2 負荷分級及供電要求······43

8.3 供配電系統······44

8.4 照明······45

8.5 防雷、接地······46

8.6 火災自動報警系統······47

9 總圖、運輸······48

9.1 一般規定······48

9.2 總平面設計······48

9.3 綜合管線······50

10 建筑、結構······51

10.1 一般規定······51

10.2 生產車間和輔助用房······51

10.3 建筑防火、防爆、防腐蝕······52

10.4 結構型式和構造······53

11 給水排水······55

11.1 給水······55

11.2 排水······57

11.3 消防······58

12 供暖、通風和空氣調節······59

12.1 一般規定······59

12.2 供暖······60

12.3 通風······61

12.4 空氣調節······62

12.5 設備選擇及其他······62

13 動力······64

13.1 一般規定······64

13.2 供熱······64

13.3 供冷······65

13.4 壓縮空氣及氮氣······66

14 環境保護······68

14.1 一般規定······68

14.2 廢氣處理······68

14.3 廢水處理······69

14.4 固體廢棄物處置······69

14.5 綠化······69

15 職業安全衛生······71

15.1 一般規定······71

15.2 主要安全防護措施······71

15.3 工業衛生防護措施······72

16 倉儲······74

16.1 一般規定······74

16.2 原料與成品庫······74

16.3 二硫化碳儲罐區······75

16.4 酸、堿、雙氧水儲罐區······75

16.5 倉儲智能化······76

16.6 其他······76

17 機修、儀電修······77

17.1 一般規定······77

17.2 廠房與設備······77

17.3 其他······77

18 設備工程安裝基本規定······78

18.1 設備開箱、驗收······78

18.2 設備混凝土基礎······78

18.3 地腳螺栓、墊鐵和灌漿······80

18.4 安裝現場安全衛生······82

18.5 其他······83

19 原液設備安裝······84

19.1 喂粕機······84

19.2 浸漬桶······85

19.3 轉子漿粥泵······86

19.4 漿粥壓力平衡桶······86

19.5 壓榨機······87

19.6 粉碎機······88

19.7 老成箱······88

19.8 老成鼓······89

19.9 堿纖計量倉······91

19.10 黃化機······91

19.11 黃酸酯粉碎機······92

19.12 后溶解機 4······92

19.13 細研磨機······93

19.14 粘膠齒輪泵······93

19.15 自動篩網濾機······94

19.16 板框過濾機······94

19.17 連續脫泡桶······95

20 短纖維紡練設備安裝······96

20.1 粘膠短纖維紡絲機······96

20.2 牽伸機······97

20.3 塑化浴槽······97

20.4 切斷機······98

20.5 長網精練聯合機······98

20.6 濕開棉機······101

20.7 喂給機······102

20.8 烘干機······102

20.9 精開棉機······104

20.10 打包機······105

21 長絲紡練設備安裝······107

21.1 粘膠長絲半連續紡絲機······107

21.2 絲餅壓洗機······112

21.3 絲餅烘干機······114

21.4 無邊筒子絡絲機······116

21.5 粘膠長絲連續紡絲機······118

22 酸站設備安裝······121

22.1 一般規定······121

22.2 酸浴多級閃蒸裝置······121

22.3 酸浴過濾器······121

22.4 酸浴加熱器······121

22.5 結晶裝置······122

23 成套設備的電氣控制系統安裝······123

23.1 電氣設備及線纜敷設······123

23.2 電氣設備引出端子的接線······124

23.3 接地與接地線······125

24 設備試運轉與驗收······126

24.1 一般規定······126

24.2 試運轉時間及要求······126

24.3 試運轉前的檢查項目······129

24.4 試運轉中的檢查項目······130

24.5 試運轉后的檢查項目······130

24.6 設備安裝驗收······131

附錄A 連續紡粘膠長絲主要原材料和公用工程消耗指標······132

附錄B 普通粘膠短纖維主要原材料和公用工程消耗指標······133

附錄C 粘膠長絲生產工藝流程······134

附錄D 粘膠短纖維生產工藝流程······135

附錄E 粘膠纖維工廠火災危險性類別······137

本標準用詞說明······138

引用標準名錄······139

附：條文說明······143

1 總則······150

2 術語······151

3 工藝設計······153

3.1 一般規定······153

3.2 長絲工藝······155

3.3 短纖維工藝······156

3.5 節約資源······157

4 工藝設備······158

4.1 一般規定······158

4.2 工藝設備選擇······158

4.3 工藝設備布置······159

5 管道······160

5.1 一般規定······160

5.2 管道布置和選材······160

6 輔助生產設施······162

6.1 一般規定······162

6.2 精密室······162

6.3 化驗室、物理檢驗室······162

7 自動控制和儀表······164

7.1 一般規定······164

7.2 控制水平······164

7.3 主要檢測控制方案······165

7.4 控制設備選型······165

7.5 特殊儀表選擇······166

7.6 儀表安全······166

7.7 生產智能化······166

8 電氣······167

8.1 一般規定······167

8.2 負荷分級及供電要求······167

8.3 供配電系統······168

8.4 照明······169

8.5 防雷、接地······169

8.6 火災自動報警系統······169

9 總圖、運輸······171

9.1 一般規定······171

9.2 總平面設計······171

9.3 綜合管線······172

10 建筑、結構······173

10.1 一般規定······173

10.2 生產車間和輔助用房······173

10.3 建筑防火、防爆、防腐蝕······173

10.4 結構型式和構造······175

11 給水排水······176

11.1 給水······176

11.2 排水······177

11.3 消防······178

12 供暖、通風和空氣調節······179

12.1 一般規定······179

12.2 供暖······179

12.3 通風······180

12.4 空氣調節······180

12.5 設備選擇及其他······180

13 動力······182

13.1 一般規定······182

13.2 供熱······182

13.3 供冷······183

13.4 壓縮空氣及氮氣······185

14 環境保護······187

14.1 一般規定······187

14.2 廢氣處理······187

14.3 廢水處理······188

14.4 固體廢棄物處理······188

14.5 綠化······189

15 職業安全衛生······190

15.1 一般規定······190

15.2 主要安全防護措施······190

15.3 工業衛生防護措施······191

16 倉儲······192

16.1 一般規定······192

16.2 原料與成品庫······192

16.3 二硫化碳儲罐區······193

16.4 酸、堿、雙氧水儲罐區······193

16.5 倉儲智能化······193

16.6 其他······193

17 機修、儀電修······194

17.1 一般規定······194

17.2 廠房與設備······194

17.3 其他······196

18 設備工程安裝基本規定······198

18.1 設備開箱、驗收······198

18.2 設備混凝土基礎······198

18.3 地腳螺栓、墊鐵和灌漿······199

18.4 安裝現場安全衛生······199

19 原液設備安裝······200

19.2 浸漬桶······200

19.3 轉子漿粥泵······200

20 短纖維紡練設備安裝······201

20.1 粘膠短纖維紡絲機······201

20.4 切斷機······201

20.5 長網精練聯合機······201

20.10 打包機······201

21 長絲紡練設備安裝······202

21.1 粘膠長絲半連續紡絲機······202

21.2 絲餅壓洗機······202

22 酸站設備安裝······203

22.2 酸浴多級閃蒸裝置······203

24 設備試運轉與驗收······204

24.1 一般規定······204

24.2 試運轉時間及要求······204

24.3 試運轉前的檢查項目······204

24.4 試運轉中的檢查項目······205

24.5 試運轉后的檢查項目······205

24.6 設備安裝驗收······205