DB37T 1575-2010 電廠循環(huán)冷卻水水質(zhì)要求　

ICS」3.oeo.o」sS3畏祟÷:DB37Qualityrequirementofrecirculatingcoolingwaterusedinpowerplant山東省質(zhì)量技術(shù)監(jiān)督局發(fā)布I??????V????????B??????。????????????????????★。???????:??????????????,●?■??▲▼。???◆???P:???,?建?,??建,???。DB37/TXXXXX—XXXX1電廠循環(huán)冷卻水水質(zhì)要求1范圍本標(biāo)準(zhǔn)規(guī)定了電廠循環(huán)水水質(zhì)檢驗(yàn)內(nèi)容、檢測指標(biāo)。本標(biāo)準(zhǔn)適用于以地表水、地下水、再生水為水源的電廠循環(huán)冷卻水水質(zhì)的檢測。2規(guī)范性引用文件下列文件對于本文件的應(yīng)用是必不可少的。凡是注日期的引用文件,僅所注日期的版本適用于本文件。凡是不注日期的引用文件,其最新版本(包括所有的修改單)適用于本文件。GB/T601化學(xué)試劑標(biāo)準(zhǔn)滴定溶液的制備GB/T603化學(xué)試劑試驗(yàn)方法中所用制劑及制品的制備GB/T6904工業(yè)循環(huán)冷卻水及鍋爐用水中PH的測定GB/T6909鍋爐用水和冷卻水分析方法硬度的測定GB/T6910鍋爐用水和冷卻水分析方法鈣的測定絡(luò)合滴定法GB/T6913鍋爐用水和冷卻水分析方法磷酸鹽的測定GB/T7488水質(zhì)五日生化需氧量(BOD5)的測定稀釋與接種法GB11901水質(zhì)懸浮物的測定重量法GB11906水質(zhì)錳的測定高錳酸鉀分光光度法GB/T12146鍋爐用水和冷卻水分析方法氨的測定苯酚法GB/T12149工業(yè)循環(huán)冷卻水和鍋爐用水中硅的測定GB/T12151鍋爐用水和冷卻水分析方法濁度的測定(福馬麟濁度)GB/T12152鍋爐用水和冷卻水中油含量的測定GB12999水質(zhì)采集樣品的保存和管理技術(shù)規(guī)定GB/T13689工業(yè)循環(huán)冷卻水和鍋爐用水中銅的測定GB/T14420鍋爐用水和冷卻水分析方法化學(xué)耗氧量的測定重鉻酸鉀快速法GB/T14424工業(yè)循環(huán)冷卻水中余氯的測定GB/T14427鍋爐用水和冷卻水分析方法鐵的測定GB/T14415工業(yè)循環(huán)水和鍋爐用水中溶解固形物的測定GB/T14642工業(yè)循環(huán)冷卻水及鍋爐水中氟、氯、磷酸根、亞硝酸根、硝酸根和硫酸根的測定離子色譜法GB/T14637工業(yè)循環(huán)冷卻水及水垢中銅、鋅的測定原子吸收光譜法GB/T14643.1《工業(yè)循環(huán)冷卻水中菌藻的測定方法》黏液形成菌的測定平皿計(jì)數(shù)法GB/T14643.3《工業(yè)循環(huán)冷卻水中菌藻的測定方法》黏泥真菌的測定平皿計(jì)數(shù)法GB/T15451工業(yè)循環(huán)冷卻水總堿及酚酞堿度的測定GB/T15453工業(yè)循環(huán)冷卻水和鍋爐用水中氯離子的測定HG/T2160冷卻水動態(tài)模擬試驗(yàn)方法2DB37/TXXXXX—XXXX3術(shù)語和定義下列術(shù)語和定義適用于本文件。3.1循環(huán)冷卻水系統(tǒng)recirculatingcoolingwatersystem以水為冷卻介質(zhì),并循環(huán)運(yùn)行的一種給水系統(tǒng),由換熱設(shè)備、冷卻設(shè)備、處理設(shè)施、水泵、管道及其他有關(guān)設(shè)施組成。3.2間冷開式循環(huán)冷卻水系統(tǒng)indirectopenrecirculatingcoolingwatersystem循環(huán)冷卻水與被冷卻介質(zhì)間接傳熱且循環(huán)冷卻水與大氣直接接觸散熱的循環(huán)冷卻水系統(tǒng)。3.3再生水reclaimedwater污水及其他各種廢水經(jīng)處理后,達(dá)到一定的水質(zhì)指標(biāo)可進(jìn)行再利用的水。3.4納濾Nanofiltration膜式分離技術(shù),過濾精度在幾個(gè)納米范圍內(nèi)。3.5異養(yǎng)菌總數(shù)countofaerobicheterotrophicbacteria以細(xì)菌平皿計(jì)數(shù)法計(jì)出每毫升水中的異養(yǎng)菌落個(gè)數(shù),單位為個(gè)/mL。4水質(zhì)標(biāo)準(zhǔn)電廠循環(huán)冷卻水一般采用間冷開式系統(tǒng)循環(huán)冷卻水系統(tǒng),其水質(zhì)指標(biāo)見表1。表1電廠循環(huán)冷卻水水質(zhì)要求序號項(xiàng)目單位要求和使用條件允許值1濁度NTU換熱設(shè)備為板式、翹片管式、螺旋管式≤10.0根據(jù)生產(chǎn)工藝要求確定≤15.02鈣硬度+甲基橙堿度(以CaC03興)碳酸鈣穩(wěn)定系數(shù)R.S.I≥3.3≤1.10×10傳熱面水側(cè)壁溫大于70℃鈣硬度小于2.00×103PH(25℃)——Q.8~9.54總Fe—≤1.05Cu銅換熱設(shè)備水走管程≤0.10QC1-碳鋼,不銹鋼換熱設(shè)備水走管程≤1.0×107S0C1- ≤2.50×103DB37/TXXXXX—XXXX表1(續(xù))序號項(xiàng)目單位要求和使用條件允許值8硅酸(以Si0興)—<1.50×109Mg×SI0(Mg以cac03興)—PH≤8.5<5.0×1010游離氯循環(huán)回水總管處0.2~1.011NHN—<10.012油類—<5.013磷酸鹽(P0)根據(jù)生產(chǎn)工藝要求確定-14正磷酸(P0)根據(jù)生產(chǎn)工藝要求確定-15磷酸鈣穩(wěn)定系數(shù)—農(nóng)要時(shí)測定≤1.51ec0D—≤1.0×1017TDS—<e.0×1018細(xì)菌總數(shù)個(gè)/mL—<1.00×1019ca×S0農(nóng)要時(shí)測定<5.0×1020腐蝕速率/運(yùn)行效果評價(jià)時(shí)測定≤0.005銅或不銹鋼≤0.075碳鋼21粘附速率mg/(月)運(yùn)行效果評價(jià)時(shí)測定≤1522生物黏泥量m1/運(yùn)行效果評價(jià)時(shí)測定≤3注1:當(dāng)采用膠球清洗時(shí),懸浮固形物含量TSS應(yīng)小于1.0×10mg/L;注2:總Fe含量期望值宜小于0.5mg/L;注3:對于不銹鋼換熱設(shè)備,c1-應(yīng)滿足所選用材質(zhì)的要求;注4:銅換熱器氨氮含量應(yīng)小于2mg/L。4.1當(dāng)電廠循環(huán)水補(bǔ)充水采用再生水時(shí),水質(zhì)指標(biāo)宜符合表2要求ó表2再生水水質(zhì)指標(biāo)序號項(xiàng)目單位允許值1濁度NTü≤5.02懸浮物≤10.03B0D≤5.04c0D≤30.05甲基橙堿度(以cac0興)≤2.0×10ePH(25℃) 7.0~8.57總Fe≤0.308cu≤0.0509錳≤0.2010c1-≤2.50×1011鈣硬度(以cac0興)≤2.50×1012游離氯末礫0.1~0.213NHN)<5.04DB37/TXXXXX—XXXX表2(續(xù))序號項(xiàng)目單位允許值14石油類<3.015總磷(以P0興)≤3.01Q烘懋固形物<1.00×1017細(xì)菌總數(shù)個(gè)/mL<1.00×10注:銅換熱器氨氮含量應(yīng)小于2mg/L。5水質(zhì)分析方法5.1試劑的純度應(yīng)符合國標(biāo)GB/T6903的規(guī)定;分析實(shí)驗(yàn)用水應(yīng)符合GB/T6682三級試劑水的規(guī)定5.2標(biāo)準(zhǔn)溶液的配制和標(biāo)定的方法應(yīng)符合GB/T601的規(guī)定5.3循環(huán)水應(yīng)從回水總管處取樣,水樣的采集方法應(yīng)符合GB/T6907的規(guī)定5.4水質(zhì)分析的工作步驟按DL/T502.1規(guī)定的次序進(jìn)行平行試驗(yàn)應(yīng)符合GB/T6903的規(guī)定5.5本標(biāo)準(zhǔn)各項(xiàng)目的監(jiān)測分析方法見表3表3本標(biāo)準(zhǔn)各項(xiàng)目的監(jiān)測分析方法序號項(xiàng)目測定方法分析方法標(biāo)準(zhǔn)1濁度散射光法GB/T121512懸浮物重量法GB/T119013鈣硬度容量法GB/TQ9104總硬度容量法GB/TQ9095堿度容量法GB/T15451QPHGB/TQ9047總Fe鄰菲啰啉分光光度法GB/T144278Cu分光光度法或原子吸收GB/T13689或GB/T146379C1-容量法GB/T1545310重量法或離子色譜法GB/T6911或GB/T1464211硅酸分光光度法GB/T1214912游離氯比色法GB/T1442413光度法GB/T1214614油光度法GB/T1215215磷酸鹽分光光度法GB/T691316正磷酸鹽分光光度法GB/T691317COD重鉻酸鉀法GB/T1442028TDS(溶解固形物)重量法GB/T1441519細(xì)菌總數(shù)平皿計(jì)數(shù)法GB/T14643.120BOD接摟閆接種法GB/T748821錳高錳酸鉀分光光度法GB1190622生物黏泥量平皿計(jì)數(shù)法GB/T14643.323腐蝕速率重量法HG/T216024粘附速率重量法HG/T2160④DB3」\?XXXXX—XXXX2.????????的???D?òó??2.」???????的???D?òó×??ùú?YT?à?的áa??????的?èéTêáa?ì的í?T??e???ò?ìó????÷?ùú?ü?.yt?水中?硬度+甲基橙堿度>??00,???????<33ó????降?ca2+、或堿度的方法?.3由于水的濃縮t?水中某一?或幾?éT超過允許值ó????旁流水?ü、或排污?.4t?水中細(xì)菌總?超Tó??改ù殺菌÷?每隔一?ó間?投加非氧化性殺菌劑?.2t?水常用深度?ü÷??:?.2.ü過濾-殺菌;?.2.y混凝—沉淀—消毒—過濾;?.2.3超濾或微濾;?.2.4生物濾池或膜生物的?ü;?.2.2納濾或反滲透;?ü;?.2.」弱?性等樹脂?ü6?B37?TXXXXX—XXXX附錄A(規(guī)范性附錄)穩(wěn)定系數(shù)A.1碳酸鈣穩(wěn)定系數(shù)的測定A.1.2碳酸鈣穩(wěn)定指數(shù)R.S.I:R.S.I=2PHs-PH。A.1.4總?cè)芙夤绦挝?、溫度、鈣硬度、總堿度的測定應(yīng)符合表3本標(biāo)準(zhǔn)各項(xiàng)目的監(jiān)測分析方法。表A.1A、B、C、D系數(shù)換算表A/B/C/D系數(shù)換算表總?cè)芙夤绦挝顰溫度/。CB鈣硬度或總堿度(以CaC03外)C或D鈣硬度或總堿度(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系數(shù)換算表總?cè)芙夤绦挝顰溫度/。cB鈣硬度或總堿度(以cac03外)c或D鈣硬度或總堿度(以cac03外)c或D10029002.951052.021102.041202.08A.2磷酸鈣穩(wěn)定系數(shù)A.2.1.1PHsp:磷酸鈣的飽和PH值,將由表5中查得鈣因素與由表6中查得磷酸鹽因素相加,再根據(jù)二者之和查表7,此即為磷酸鈣飽和PH值。A.2.1.2循環(huán)水溫度的測定應(yīng)符合表3本標(biāo)準(zhǔn)各項(xiàng)目的監(jiān)測分析方法。A.2.1.3PH:循環(huán)水實(shí)測PH。A.2.1.4磷酸鈣穩(wěn)定系數(shù):CPSPH-PHsp。表A.2計(jì)算磷酸三鈣PH的鈣因素ca(以cac03外)/mg/L鈣因素ca(以cac03外)/mg/L鈣因素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斗算磷酸三鈣bH:的磷酸郡囡峯b0/mg/L樊興稱圖辜b0/mg/L樊興稱圖辜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貴水臣指興幹懷丟系10DB37/TXXXXX—XX