引用火力发电机组及蒸汽动力设备水汽质量GB/T 12145—2008 - 墨非的日志 ...

引用 火力发电机组及蒸汽动力设备水汽质量GB/T 12145—2008

2010-04-08 15:05:01 阅读5 评论0 字号:

 

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                                                                        目    次 
                                                                                                                                                                   2
                                   前    言
                                                                            1
                                                                                    2
                                     表 1  蒸汽质量
                    钠         氢电导率(25?C)       二氧化硅             铁              铜
   过热蒸汽压力          ?g/kg          ?S/cm         ?g/kg          ?g/kg          ?g/kg
               标准值    期望值     标准值    期望值    标准值     期望值    标准值    期望值     标准值    期望值
      3.8~5.8   ≤15     —     ≤0.30   —      ≤20     —      ≤20     —      ≤5     —
     5.9~15.6   ≤5      ≤2   ≤0.151) ≤0.101) ≤20    ≤10     ≤15    ≤10     ≤3     ≤2 
     15.7~18.3  ≤5      ≤2   ≤0.151) ≤0.101) ≤20    ≤10     ≤10    ≤5      ≤3     ≤2 
      >18.3     ≤3      ≤2    ≤0.15  ≤0.10   ≤10     ≤5     ≤5      ≤3     ≤2     ≤1
                                   表2   锅炉给水质量
       过热蒸汽  氢电导率(25?C)     硬度   溶解氧2)      铁          铜           钠        二氧化硅
 炉型     压力        ?S/cm                                   ?g/L
        MPa    标准值  期望值           标准值  标准值期望值标准值        期望值  标准值  期望值 标准值  期望值
       3.8~5.8  —     —     ≤2.0   ≤15  ≤50   —   ≤10     —     —     —
                                                                            应保证蒸汽
       5.9~12.6 ≤0.30 —      —     ≤7   ≤30   —    ≤5     —     —     —     二氧化硅符
汽包炉                                                                          合标准
       12.7~15.6 ≤0.30 —     —     ≤7   ≤20   —    ≤5     —     —     —
        >15.6 ≤0.151) ≤0.10  —     ≤7   ≤15  ≤10   ≤3    ≤2     —     —    ≤20   ≤10
       5.9~18.3 ≤0.15 ≤0.10  —     ≤7   ≤10   ≤5   ≤3    ≤2     ≤5    ≤2    ≤15  ≤10
        >18.3  ≤0.15 ≤0.10   —     ≤7   ≤5    ≤3   ≤2    ≤1     ≤3    ≤2    ≤10  ≤5
                                                                                     3
    炉型      锅炉过热蒸汽压力,MPa                 pH(25?C)          联氨,?g/L        TOC,?g/L
                   3.8~5.8                 8.8~9.3            —             —
   汽包炉            5.9~15.6                                                ≤5002)
                                  8.8~9.3 (有铜给水系统)或
                   >15.6                                     ≤30          ≤2002)
                                   9.2~9.61) (无铜给水系统)
   直流炉              >5.9                                                   ≤200
                                氢电导率(25?C),?S/cm
        pH(25?C)                                           溶解氧,?g/L       TOC,?g/L
                             标准值              期望值
         8.0~9.0             ≤0.15            ≤0.10           30~150        ≤200
                                表 5  凝结水泵出口水质
 锅炉过热蒸汽压力            硬度             钠            溶解氧 1)         氢电导率(25?C),?S/cm
      MPa           ?mol/L          ?g/L           ?g/L         标准值         期望值
     3.8~5.8        ≤2.0            —              ≤50                 —
    5.9~12.6        ≤1.0            —              ≤50          ≤0.30        —
    12.7~15.6       ≤1.0            —              ≤40          ≤0.30       ≤0.20
    15.7~18.3        ≈0             ≤52)           ≤30          ≤0.30       ≤0.15
     >18.3           ≈0             ≤5             ≤20          ≤0.20       ≤0.15
  锅炉过热        氢电导率              钠             铜              铁            二氧化硅
  蒸汽压力       (25?C),?S/cm                            ?g/L
   MPa     标准值     期望值    标准值     期望值    标准值     期望值    标准值    期望值     标准值    期望值
   ≤18.3    ≤0.15  ≤0.10    ≤5     ≤2      ≤3     ≤1     ≤5      ≤3     ≤15    ≤10
   >18.3   ≤0.15   ≤0.10    ≤3     ≤1     ≤2      ≤1     ≤5      ≤3     ≤10    ≤5
                                                                                   4
     锅炉汽包压力                         二氧化硅        氯离子          电导率           氢电导率
        MPa                                mg/L            (25?C)?S/cm    (25?C)?S/cm
       5.9~10.0                      ≤2.002)      —           ?150            —
       10.1~12.6   炉水固体碱化剂处理         ≤2.002)      —           ?60             —
       12.7~15.8                     ≤0.452)     ≤1.5         ?35             —
                                                                               3)
                   炉水固体碱化剂处理         ≤0.20       ≤0.5         ?20           ?1.5
                    炉水全挥发处理          ≤0.15       ≤0.3          —             ?1.0
                                             磷酸根,mg/L                      pH1)
                      处理方式           单段蒸发            分段蒸发                 (25?C)
                                     标准值         净段         盐段       标准值      期望值
      3.8~5.8                         5~15       5~12       ≤75     9.0~11.0    —
      5.9~10.0                        2~10        2~10      ≤40     9.0~10.5  9.5~10.0
     10.1~12.6                        2~6         2~6       ≤30     9.0~10.0   9.5~9.7
     12.7~15.8                        ≤32)        ≤3        ≤15      9.0~9.7   9.3~9.7
                                        2)        —         —        9.0~9.7   9.3~9.6
                   炉水全挥发处理             —          —         —        9.0~9.7    —
                                   表 9 锅炉补给水质量
                                除盐水箱进水电导率(25?C)           除盐水箱出口电导率               1)
    锅炉过热蒸汽压力         二氧化硅                                                      TOC
                                        ?S/cm                  (25?C)
         MPa           ?g/L                                                    ?g/L
                                 标准值          期望值              ?S/cm
        5.9~12.6       —          ≤0.20         —                               —
       12.7~18.3       ≤20        ≤0.20       ≤0.10            ≤0.40           ≤400
         >18.3         ≤10        ≤0.15       ≤0.10                            ≤200
                                                                                       5
                           硬度,?mol/L                  铁              油
                      标准值            期望值             ?g/L           mg/L
       疏水              ≤2.5           ?0             ≤50             —
      生产回水             ≤5.0          ≤2.5            ≤100         ≤1(经处理后)
                  材质                     电导率(25?C),?S/cm         pH(25?C)
                 全铁系统                          ≤30                ≥9.5
                 含铜系统                          ≤20               8.0~9.2 
                                表 12  热网补充水质量
         溶解氧,?g/L                 总硬度,?mol/L                悬浮物,mg/L
            ?100                     ?600                       ?5
  电导率(25?C),?S/cm         铜,?g/L            硬度,μmol/L            pH(25?C)
        ≤51)                ≤40                ≤2                7.0~9.0
           锅炉过热蒸汽压力       氢电导率(25?C)    二氧化硅        铁         铜         钠
               MPa           ?S/cm                      ?g/kg
               3.8~5.8       ≤3.00        ≤80       —         —        ≤50
                >5.8         ≤1.00        ≤60       ≤50       ≤15      ≤20
   直流炉          —            ≤0.50        ≤30       ≤50       ≤15      ≤20
                                                                             6
          锅炉过热蒸汽压力          硬度         氢电导率          铁       溶解氧       二氧化硅
               MPa         ?mol/L     (25?C) ,?S/cm           ?g/L
              3.8~5.8       ≤10.0        —          ≤150      ≤50        —
  汽包炉        5.9~12.6       ≤5.0         —          ≤100      ≤40        —
              >12.6         ≤5.0        ≤1.00       ≤75       ≤30        ≤80
  直流炉          —             ≈0         ≤0.50       ≤50       ≤30        ≤30
                                       铁2)           二氧化硅             铜
                                                      ?g/L
     无色透明             ≤10.0            ≤80            ≤80             ≤30
                                                          处理等级
                                                 一级         二级         三级
    氢电导率(25?C),     有精处理除盐          ≤0.301)     >0.301)     —          —
        ?S/cm       无精处理除盐          ≤0.30       >0.30      >0.40      >0.65
                    有精处理除盐           ≤10         >10        —          —
                    无精处理除盐           ≤5          >5         >10        >20
                                                                              7
                                                                   处理等级
                 项目                         标准值
                                                            一级        二级       三级
                       无铜给水系统2)             9.2~9.6         ?9.2       —        —
                       有铜给水系统               8.8~9.3       ?8.8 或>9.3   —        —
                       无精处理除盐               ≤0.30           >0.30     >0.40    >0.65
                       有精处理除盐               ≤0.15           >0.15     >0.20    >0.30 
      溶解氧,?g/L        还原性全挥发处理               ≤7              >7        >20      —
    锅炉汽包压力                          pH(25?C)                 处理等级
        MPa                          标准值          一级           二级          三级
       3.8~5.8                       9.0~11.0  <9.0 或>11.0     —            —
      5.9~10.0    炉水固体碱化剂处理           9.0~10.5 <9.0 或>10.5     —            —
      10.1~12.6                       9.0~10.0 <9.0 或>10.0 <8.5 或>10.3      —
                  炉水固体碱化剂处理          9.0~9.7   <9.0 或>9.7  <8.5 或>10.0  <8.0 或>10.3
                    炉水全挥发处理          9.0~9.7      9.0~8.5      8.5~8.0      < 8.0
                                                                                     8



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