本規(guī)范共分10章，主要技術(shù)內(nèi)容是:總則、術(shù)語(yǔ)和符號(hào)、總體設(shè)計(jì)、冷卻塔、循環(huán)冷卻水輸送、循環(huán)冷卻水處理、儀表與控制、檢測(cè)與化驗(yàn)、供電設(shè)施、輔助建(構(gòu)）筑物。

GBT50746-2012······1

1 總則······10

2 術(shù)語(yǔ)和符號(hào)······11

2.1 術(shù)語(yǔ)······11

2.2 符號(hào)······13

3 總體設(shè)計(jì)······14

3.1 一般規(guī)定······14

3.2 設(shè)計(jì)規(guī)模······14

3.3 補(bǔ)充水量······14

3.4 循環(huán)冷卻水設(shè)計(jì)溫度的確定······16

3.5 循環(huán)冷卻水設(shè)計(jì)工作壓力的確定······16

3.6 循環(huán)冷卻水的水質(zhì)要求······16

3.7 場(chǎng)址選擇······17

3.8 場(chǎng)內(nèi)布置······18

4 冷卻塔······20

4.1 一般規(guī)定······20

4.2 冷卻塔的計(jì)算······20

4.3 塔體結(jié)構(gòu)與部件設(shè)計(jì)······26

5 循環(huán)冷卻水輸送······33

5.1 循環(huán)水泵的選擇······33

5.2 水泵附件······33

5.3 循環(huán)水泵房······34

5.4 吸水池······34

6 循環(huán)冷卻水處理······36

6.1 一般規(guī)定······36

6.2 緩蝕和阻垢······38

6.3 微生物控制······40

6.4 旁流水處理······41

6.5 藥劑儲(chǔ)存和投配······42

6.6 補(bǔ)充水和排污水處理······45

7 儀表與控制······46

8 檢測(cè)與化驗(yàn)······48

9 供電設(shè)施······50

10 輔助建(構(gòu))筑物······51

本規(guī)范用詞說(shuō)明······52

引用標(biāo)準(zhǔn)名錄······53

附:條文說(shuō)明······54

1 總 則······58

3 總體設(shè)計(jì)······60

3.1 一般規(guī)定······60

3.2 設(shè)計(jì)規(guī)模······61

3.3 補(bǔ)充水量······61

3.4 循環(huán)冷卻水設(shè)計(jì)溫度的確定······62

3.5 循環(huán)冷卻水設(shè)計(jì)工作壓力的確定······63

3.6 循環(huán)冷卻水的水質(zhì)要求······64

3.7 場(chǎng)址選擇······64

3.8 場(chǎng)內(nèi)布置······64

4 冷卻塔······66

4.1 一般規(guī)定······66

4.2 冷卻塔的計(jì)算······68

4.3 塔體結(jié)構(gòu)與部件設(shè)計(jì)······75

5 循環(huán)冷卻水輸送······78

5.1 循環(huán)水泵的選擇······78

5.2 水泵附件······79

5.3 循環(huán)水泵房······80

5.4 吸水池······80

6 循環(huán)冷卻水處理······81

6.1 一般規(guī)定······81

6.2 緩蝕和阻垢······87

6.3 微生物控制······91

6.4 旁流水處理······96

6.5 藥劑儲(chǔ)存和投配······97

6.6 補(bǔ)充水和排污水處理······98

7 儀表與控制······100

8 檢測(cè)與化驗(yàn)······102

9 供電設(shè)施······103

10 輔助建(構(gòu))筑物······104