本規(guī)范共分10 章和1 個附錄，主要內容包括總則，術語，基本規(guī)定，水源，生產工序，循環(huán)水處理系統，軟化水、除鹽水系統，廢水回收利用，雨水利用，防漏、防滲等。

GB50506-2009······1

1 總則······11

2 術語······12

3 基本規(guī)定······14

4 水源······18

5 生產工序······19

5.1 采礦······19

5.2 選礦······19

5.3 原料場······20

5.4 燒結和球團······20

5.5 焦化······20

5.6 煉鐵······21

5.7 煉鋼······22

5.8 軋鋼······23

5.9 生產輔助車間······24

5.10 冶金石灰、輕燒白云石、耐火材料車間······24

6 循環(huán)水處理系統······26

6.1 一般規(guī)定······26

6.2 間冷閉式循環(huán)水系統······27

6.3 間冷開式循環(huán)水系統······27

6.4 直冷循環(huán)水系統······28

7 軟化水、除鹽水系統······29

7.1 一般規(guī)定······29

7.2 軟化水系統······29

7.3 除鹽水系統······29

8 廢水回收利用······31

9 雨水利用······33

10 防漏、防滲······34

10.1 給水······34

10.2 排水······34

附錄A 鋼鐵企業(yè)各生產工序取（用）水量控制指標······36

本規(guī)范用詞說明······40

引用標準名錄······41

附:條文說明······42

1 總則······48

3 基本規(guī)定······50

4 水源······62

5 生產工序······65

5.1 采礦······65

5.2 選礦······65

5.3 原料場······66

5.4 燒結和球團······66

5.5 焦化······67

5.6 煉鐵······67

5.7 煉鋼······70

5.8 軋鋼······71

5.9 生產輔助車間······73

5.10 冶金石灰、輕燒白云石、耐火材料車間······73

6 循環(huán)水處理系統······75

6.1 一般規(guī)定······75

6.2 間冷閉式循環(huán)水系統······76

6.3 間冷開式循環(huán)水系統······77

6.4 直冷循環(huán)水系統······77

7 軟化水、除鹽水系統······78

7.1 一般規(guī)定······78

7.2 軟化水系統······78

7.3 除鹽水系統······79

8 廢水回收利用······81

9 雨水利用······83

10 防漏、防滲······84

10.1 給水······84

10.2 排水······85