DB37T 1575-2010 电厂循环冷却水水质要求　

ICS」3.oeo.o」sS3畏祟÷:DB37Qualityrequirementofrecirculatingcoolingwaterusedinpowerplant山东省质量技术监督局发布I✓✔✕✩✯✰V✪✲✳✯✰✴✯✰B✵✶✷✳✯✰。✓✔✕✸✹✺✻✼✽✾✿❀❁❂❃❄❅❆❃❇★。✓✔✕✬✭❈❉:✹✺✻✼✽✾✿❀❁❂❃❄❆❃,●❍■❏❑▲▼。✓✔✕◆❖✬✭P:◗❘❙,❚建❘,◗❱建,◗❲❳。DB37/TXXXXX—XXXX1电厂循环冷却水水质要求1范围本标准规定了电厂循环水水质检验内容、检测指标。本标准适用于以地表水、地下水、再生水为水源的电厂循环冷却水水质的检测。2规范性引用文件下列文件对于本文件的应用是必不可少的。凡是注日期的引用文件,仅所注日期的版本适用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改单)适用于本文件。GB/T601化学试剂标准滴定溶液的制备GB/T603化学试剂试验方法中所用制剂及制品的制备GB/T6904工业循环冷却水及锅炉用水中PH的测定GB/T6909锅炉用水和冷却水分析方法硬度的测定GB/T6910锅炉用水和冷却水分析方法钙的测定络合滴定法GB/T6913锅炉用水和冷却水分析方法磷酸盐的测定GB/T7488水质五日生化需氧量(BOD5)的测定稀释与接种法GB11901水质悬浮物的测定重量法GB11906水质锰的测定高锰酸钾分光光度法GB/T12146锅炉用水和冷却水分析方法氨的测定苯酚法GB/T12149工业循环冷却水和锅炉用水中硅的测定GB/T12151锅炉用水和冷却水分析方法浊度的测定(福马麟浊度)GB/T12152锅炉用水和冷却水中油含量的测定GB12999水质采集样品的保存和管理技术规定GB/T13689工业循环冷却水和锅炉用水中铜的测定GB/T14420锅炉用水和冷却水分析方法化学耗氧量的测定重铬酸钾快速法GB/T14424工业循环冷却水中余氯的测定GB/T14427锅炉用水和冷却水分析方法铁的测定GB/T14415工业循环水和锅炉用水中溶解固形物的测定GB/T14642工业循环冷却水及锅炉水中氟、氯、磷酸根、亚硝酸根、硝酸根和硫酸根的测定离子色谱法GB/T14637工业循环冷却水及水垢中铜、锌的测定原子吸收光谱法GB/T14643.1《工业循环冷却水中菌藻的测定方法》黏液形成菌的测定平皿计数法GB/T14643.3《工业循环冷却水中菌藻的测定方法》黏泥真菌的测定平皿计数法GB/T15451工业循环冷却水总碱及酚酞碱度的测定GB/T15453工业循环冷却水和锅炉用水中氯离子的测定HG/T2160冷却水动态模拟试验方法2DB37/TXXXXX—XXXX3术语和定义下列术语和定义适用于本文件。3.1循环冷却水系统recirculatingcoolingwatersystem以水为冷却介质,并循环运行的一种给水系统,由换热设备、冷却设备、处理设施、水泵、管道及其他有关设施组成。3.2间冷开式循环冷却水系统indirectopenrecirculatingcoolingwatersystem循环冷却水与被冷却介质间接传热且循环冷却水与大气直接接触散热的循环冷却水系统。3.3再生水reclaimedwater污水及其他各种废水经处理后,达到一定的水质指标可进行再利用的水。3.4纳滤Nanofiltration膜式分离技术,过滤精度在几个纳米范围内。3.5异养菌总数countofaerobicheterotrophicbacteria以细菌平皿计数法计出每毫升水中的异养菌落个数,单位为个/mL。4水质标准电厂循环冷却水一般采用间冷开式系统循环冷却水系统,其水质指标见表1。表1电厂循环冷却水水质要求序号项目单位要求和使用条件允许值1浊度NTU换热设备为板式、翘片管式、螺旋管式≤10.0根据生产工艺要求确定≤15.02钙硬度+甲基橙碱度(以CaC03兴)碳酸钙稳定系数R.S.I≥3.3≤1.10×10传热面水侧壁温大于70℃钙硬度小于2.00×103PH(25℃)——Q.8~9.54总Fe—≤1.05Cu铜换热设备水走管程≤0.10QC1-碳钢,不锈钢换热设备水走管程≤1.0×107S0C1- ≤2.50×103DB37/TXXXXX—XXXX表1(续)序号项目单位要求和使用条件允许值8硅酸(以Si0兴)—<1.50×109Mg×SI0(Mg以cac03兴)—PH≤8.5<5.0×1010游离氯循环回水总管处0.2~1.011NHN—<10.012油类—<5.013磷酸盐(P0)根据生产工艺要求确定-14正磷酸(P0)根据生产工艺要求确定-15磷酸钙稳定系数—农要时测定≤1.51ec0D—≤1.0×1017TDS—<e.0×1018细菌总数个/mL—<1.00×1019ca×S0农要时测定<5.0×1020腐蚀速率/运行效果评价时测定≤0.005铜或不锈钢≤0.075碳钢21粘附速率mg/(月)运行效果评价时测定≤1522生物黏泥量m1/运行效果评价时测定≤3注1:当采用胶球清洗时,悬浮固形物含量TSS应小于1.0×10mg/L;注2:总Fe含量期望值宜小于0.5mg/L;注3:对于不锈钢换热设备,c1-应满足所选用材质的要求;注4:铜换热器氨氮含量应小于2mg/L。4.1当电厂循环水补充水采用再生水时,水质指标宜符合表2要求ó表2再生水水质指标序号项目单位允许值1浊度NTü≤5.02悬浮物≤10.03B0D≤5.04c0D≤30.05甲基橙碱度(以cac0兴)≤2.0×10ePH(25℃) 7.0~8.57总Fe≤0.308cu≤0.0509锰≤0.2010c1-≤2.50×1011钙硬度(以cac0兴)≤2.50×1012游离氯末礫0.1~0.213NHN)<5.04DB37/TXXXXX—XXXX表2(续)序号项目单位允许值14石油类<3.015总磷(以P0兴)≤3.01Q烘懋固形物<1.00×1017细菌总数个/mL<1.00×10注:铜换热器氨氮含量应小于2mg/L。5水质分析方法5.1试剂的纯度应符合国标GB/T6903的规定;分析实验用水应符合GB/T6682三级试剂水的规定5.2标准溶液的配制和标定的方法应符合GB/T601的规定5.3循环水应从回水总管处取样,水样的采集方法应符合GB/T6907的规定5.4水质分析的工作步骤按DL/T502.1规定的次序进行平行试验应符合GB/T6903的规定5.5本标准各项目的监测分析方法见表3表3本标准各项目的监测分析方法序号项目测定方法分析方法标准1浊度散射光法GB/T121512悬浮物重量法GB/T119013钙硬度容量法GB/TQ9104总硬度容量法GB/TQ9095碱度容量法GB/T15451QPHGB/TQ9047总Fe邻菲啰啉分光光度法GB/T144278Cu分光光度法或原子吸收GB/T13689或GB/T146379C1-容量法GB/T1545310重量法或离子色谱法GB/T6911或GB/T1464211硅酸分光光度法GB/T1214912游离氯比色法GB/T1442413光度法GB/T1214614油光度法GB/T1215215磷酸盐分光光度法GB/T691316正磷酸盐分光光度法GB/T691317COD重铬酸钾法GB/T1442028TDS(溶解固形物)重量法GB/T1441519细菌总数平皿计数法GB/T14643.120BOD接搂闫接种法GB/T748821锰高锰酸钾分光光度法GB1190622生物黏泥量平皿计数法GB/T14643.323腐蚀速率重量法HG/T216024粘附速率重量法HG/T2160④DB3」\➚XXXXX—XXXX2.➘➴➷➬➮➱✃❐的❮❰ÏÐÑÒÓÔÕ2.」Ö➷➬➮➱✃❐的❮❰ÏÐÑÒÓ×➘ØÙÚÛÝÞßà➱的áâãäåæãä的çèéÞêáâëì的íîÞßïðñãäòëìóïôõö÷øùúûü➘.ýþÿ水中➬硬度+甲基橙碱度>ÔÔ00,➴➷➬➮➱✃❐<33óïôõö降îca2+、或碱度的方法➘.3由于水的浓缩þÿ水中某一ã或几ãéÞ超过允许值óïôõö旁流水ûü、或排污➘.4þÿ水中细菌总❐超Þóïô改ù杀菌÷ø每隔一➱ó间ô投加非氧化性杀菌剂➘.2þÿ水常用深度ûü÷øñ:➘.2.Ü过滤-杀菌;➘.2.ý混凝—沉淀—消毒—过滤;➘.2.3超滤或微滤;➘.2.4生物滤池或膜生物的ûü;➘.2.2纳滤或反渗透;ûü;➘.2.」弱➷性等树脂ûü6»B37¿TXXXXX—XXXX附录A(规范性附录)稳定系数A.1碳酸钙稳定系数的测定A.1.2碳酸钙稳定指数R.S.I:R.S.I=2PHs-PH。A.1.4总溶解固形物、温度、钙硬度、总碱度的测定应符合表3本标准各项目的监测分析方法。表A.1A、B、C、D系数换算表A/B/C/D系数换算表总溶解固形物A温度/。CB钙硬度或总碱度(以CaC03外)C或D钙硬度或总碱度(以CaC03外)C或D450.0702.61011302.11600.0822.54121.081402.15800.0942.49141.151502.181050.162.44161.21602.21400.1182.39181.261702.231750.12102.34201.31802.262200.13152.21251.41902.282750.14202.09301.482002.33400.15251.98351.542502.44200.16301.88401.63002.485200.17351.79451.653502.546400.18401.71501.74002.68000.19451.63551.744502.6510000.2501.55601.785002.712500.21551.48651.815502.7416500.22601.4701.856002.7822000.23651.33751.886502.8131000.24701.27801.97002.85≥4000≤130000.25801.16851.937502.88901.958002.9951.988502.937DB37/TXXXXX—XXXXA/B/c/D系数换算表总溶解固形物A温度/。cB钙硬度或总碱度(以cac03外)c或D钙硬度或总碱度(以cac03外)c或D10029002.951052.021102.041202.08A.2磷酸钙稳定系数A.2.1.1PHsp:磷酸钙的饱和PH值,将由表5中查得钙因素与由表6中查得磷酸盐因素相加,再根据二者之和查表7,此即为磷酸钙饱和PH值。A.2.1.2循环水温度的测定应符合表3本标准各项目的监测分析方法。A.2.1.3PH:循环水实测PH。A.2.1.4磷酸钙稳定系数:CPSPH-PHsp。表A.2计算磷酸三钙PH的钙因素ca(以cac03外)/mg/L钙因素ca(以cac03外)/mg/L钙因素115.001208.75214.101408.55413.191608.38612.661808.22812.282008.081011.992507.791211.753007.561411.553507.361611.374007.181811.225006.892011.086006.663010.558006.284010.1810005.99509.8912005.75609.6514005.55809.2816005.381008.9918005.238DB37/TXXXXX—XXXX表A.3斗算磷酸三钙bH:的磷酸郡囡峯b0/mg/L樊興称图辜b0/mg/L樊興称图辜19.96307.0029.35356.8739.00406.7548.75456.6558.56506.5668.40556.4878.27606.4088.15656.3398.05706.27107.96806.15127.79906.05157.601005.96207.351105.87257.161205.80℃-10屯-50206830864010450122601407015880176901941002126.013.6414.0014.3214.6414.8615.0415.3015.4215.5815.686.114.0214.3814.6015.0215.4415.5615.6915.8116.0216.046.214.4014.7615.0715.3815.9016.0416.0516.2016.4616.426.314.7815.1315.4515.7416.3016.4616.4416.3716.8916.816.415.1415.5115.8216.1416.6816.8416.8116.9417.3217.196.515.5215.8716.1816.3817.0417.2017.1517.3217.7317.596.615.9016.2416.5016.5317.3817.5617.5417.7018.1317.946.716.2416.6116.8817.2417.7017.8817.9118.0618.5018.686.816.5316.9517.2217.6018.0018.1818.2518.4018.8718.806.916.9417.2917.5717.9218.3118.4918.6018.7319.2019.027.017.3017.6117.9218.2418.5918.7818.9219.0619.5219.387.117.6217.9218.2518.5618.8819.0819.2519.4019.8319.707.217.9418.2318.5718.8619.1819.3619.5719.7020.1220.027.318.2418.5318.8619.1419.4419.6619.8720.0020.3920.347.418.5418.8119.1319.4219.7219.9420.1620.3020.6520.647.518.8619.0819.4019.7019.9620.2020.4420.5620.9020.937.619.1019.3519.6619.9620.2220.4620.7120.8421.1421.207.719.3819.6019.9220.2020.4620.7020.9621.1021.3621.477.819.6219.8420.1720.4420.6920.9421.2021.3421.5921.729DB37/TXXXXX—XXXX℃-10屯-50206830864010450122601407015880176901941002127.919.8620.0820.4020.6820.9221.1821.4321.5821.8221.968.020.1020.3220.6420.9221.1621.4021.6721.8022.0422.208.120.3220.5420.8621.1421.3721.6421.8922.0322.2622.448.220.5420.7621.0821.3621.5821.8622.1222.2422.4722.668.320.7620.9821.2921.5821.8122.0622.3322.4622.6922.888.420.9721.1921.5021.7822.0222.2822.5422.6822.9023.108.521.1821.4121.7222.0022.2322.5022.7522.9023.1123.328.621.3821.6221.9422.2222.4422.7022.9623.1023.3123.528.721.6021.8322.1522.4222.6622.9023.1723.3123.5223.728.821.8022.0422.3622.6222.8623.1023.3623.5123.7323.948.922.0022.2522.5622.8323.0823.3023.5723.7223.9324.159.022.2022.4622.7623.0223.2823.5223.7623.9324.1324.369.122.4322.6622.9623.2623.4823.7123.9724.1224.3524.569.222.6422.8623.1723.4623.6923.9224.1724.3224.5424.769.322.8423.0623.3723.6623.9024.1224.3624.5324.7424.979.423.0423.2723.5723.8624.1024.3224.5624.7424.9325.189.523.2423.4723.7724.0624.3024.5424.7524.9325.1325.389.623.4523.6723.9724.2624.5124.7424.9525.1225.3225.589.723.6523.8724.1724.4524.7124.9425.1425.3225.5225.789.823.8624.0724.3724.5621.9125.1425.3325.5225.7125.989.924.0624.2724.5624.8525.1025.3425.5225.7125.9126.1810.024.2624.4624.7625.0425.3025.5325.7025.9126.0926.3710.124.4524.6624.9625.2325.5025.7325.8926.1026.2826.5710.224.6524.8625.1425.4225.7025.9226.0726.2926.4726.7610.324.8425.0525.3925.6225.8926.1226.2526.4826.6626.9410.425.0325.2425.5425.8226.0926.3226.4426.6626.8527.1510.525.2325.4425.7326.0126.2826.5026.6226.8527.0427.3510.625.4225.6425.9326.2126.4626.6926.8027.0427.2327.5510.725.6225.8426.1226.4026.6426.8826.9827.2327.4127.7410.825.8226.0326.3226.5926.8327.0627.1027.4227.6027.9410.926.0026.2326.5126.7827.0127.2427.3427.6127.7928.1411.026.2026.4326.7026.9827.1927.4427.5127.8027.9628.35A.3贵水臣指兴幹怀丢系10DB37/TXXXXX—XX