DB51∕T 2681-2020 预拌混凝土搅拌站废水废浆回收利用技术规程(四川省).pdf

ICS 13.020.40 Z05 DB51 四EE, 省山巳TE，万标准D851/T 2681-2020 预拌混凝土搅拌站废水废浆回收利用技术规程2020 - 4 -15发布2020 - 6 -1实施四川省市场监督管理局发布DB51/T 2681-2020 目次前言. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . II 1 范围. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 规范性引用文件. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 3 术语和定义. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 4 技术要求.2 5 回收处理.3 6 利用.4 7 检验检测.5 附录A(规范性附录)型式检测记录表和自检记录表.6 附录B(规范性附录)含固量比重计快速法. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 附录c(规范性附录)含固量烘干法.9 附录D(资料性附录)搅拌站回收水、回收浆技术指标检测结果.四附录E(资料性附录)回收浆含固量与密度常用对照表. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 I DB51/T 2681-2020 目IJ1=1 本标准依据GB/T1. 1-2009 . ?O B. 6. 3 回收浆含固量与密度的换算直可参考附录Eo8 c. 1 仪器要求如下:a) 分析天平:分度直O.0001 g; cc 附录c(规范性附录)含固量烘干法b) 电热鼓风恒温干燥箱:温度范围(0200)0 C; c) 带盖称量瓶1d) 干燥器。C. 2 实验步骤。2.1 将称量瓶置于天平上称量，记录质量ffioo。2.2 将待测样品搅拌均匀后装入称量瓶内，记录试样及称量瓶的总重mloDB51/T 2681-2020 。2.3 将装有样品的称量瓶置于鼓风干燥烘箱中，温度调整至005:!:5)oc烘干，15 min后取出称量记录数值，然后再放入继续烘干，每5min称量一次，当连续两次称量质量不再发生变化时，视为恒重，记录恒重的质量ffi20C. 3 结果表示m, -mo =一.:.:.:.!.xl00%m,-m 0 式中:一一含固量，号。安全提示:取出托盘称量时，五L戴手套，做好劳动防护，防止烫伤。9 DB51/T 2681-2020 因)附录D(资料性附录)搅拌站回收水、回收浆技术指标检测结果D. 1 回收浆碱含量情况表D.l中给出了回收浆中固体物质碱含量检测情况，样品来源于四川省内不同地区的搅拌站。表D.1 回收浆中固体物质碱含量化学组成Na二。hv 二U且碱含量(Na20eq)含量(%)注:Na二Oeq二Na二。+0.658K二。0.17-1. 27 0.31-1.26 0.45-2.06 注GB175中规定了，水泥中的碱含量应不大于0.60%或由买卖双方协商。由22家搅拌站提供的样品中，其中有20家搅拌站回收浆中固体物质碱含量超过0.60%。若将回收浆中的固体物质作为掺合料计量，应根据对碱含量的要求，调整回41z浆掺量，使其总胶凝材料中碱含量不超过标准规定值或双方协商值。D. 2 回收水水质情况回收水水质情况参见表D.20表D.2回收水水质情况检测结果检测成分检测结果指标要求备注预应力混凝土运2000(mg/U ，钢筋混凝土运5000(mg/U 溶解性总固体mg/L1564-3250 I 京混凝土三三10000(mg/U 满足要求JGJ 63-2006 3. 1. 1 g、泞物预应力出凝土飞;2000(mg/U ，钢筋1hl凝土主主2000(mg/U 4-154 主主t.j*土运5000(mg/U 满足耍求mg/L JGJ 63-2006 3. 1. 1 pH 预应力混凝土二:5.0，钢筋混凝土、主混凝土主4.5，满1己要求12.4-12.7 7己量制JGJ 63-2006 3. 1. 1 硫般在t预院力泪凝士主三600(mg/L) ，铜前混版一卡三三2000(mg/U , 1. 05-576 京混凝士主三2700(mg/U 满1己要求mg/L JGJ 63-2006 3. 1. 1 氯化物预院力泪凝士主三500(mg/U ，钢前混凝十三三1000(mg/U , 7.57-145 京混凝士主三3500(mg/U 满1己要求mg/L JGJ 63-2006 3. 1. 1 碱了专旦三三1500(mg/U 40%的Inl收水样川725-2588 mg/L JGJ 63-2006 3. 1. 1 l在介且主150010 DB51/T 2681-2020 EE 附录E(资料性附录)回收浆含固量与密度常用对照表回收浆含固量与密度常用对照表参见表E.1。表E.1 回收浆含固量与密度常用对照表项目P阳2. 60 2. 62 2. 64 2. 66 2. 68 2. 70 2.72 2. 74 2. 76 2. 78 2. 80 1. 000 O. 0% O. 0% O. 0% O. 0% O. 0% O. 0% O. 0% O. 0% O. 0% O. 0% O. 0% 1. 002 O. 3% O. 3% O. 3% O. 3% O. 3% O. 3% O. 3% O. 3% O. 3% O. 3% O. 3% 1. 004 O. 6% O. 6% O. 6% O. 6% O. 6% O. 6% O. 6% O. 6% O. 6% O. 6% O. 6% 1. 006 1. 0% 1. 0% 1. 0% 1. 0% 1. 0% O. 9% 0.9% O. 9% O. 9% 0.9% O. 9% 1. 008 1. 3% 1. 3% 1. 3% 1. 3% 1. 3% 1. 3% 1. 3% 1. 2% 1. 2% 1. 2% 1. 2% 1. 010 1. 6% 1. 6% 1. 6% 1. 6% 1. 6% 1. 6% 1. 6% 1. 6% 1. 6% 1. 5% 1. 5% 1. 012 1. 9% 1. 9% 1. 9% 1. 9% 1. 9% 1. 9% 1. 9% 1. 9% 1. 9% 1. 9% 1. 8% 1. 014 2. 2% 2. 2% 2. 2% 2. 2% 2. 2% 2. 2% 2. 2% 2. 2% 2. 2% 2. 2% 2.1% 1. 016 2. 6% 2. 5% 2. 5% 2. 5% 2. 5% 2. 5% 2. 5% 2. 5% 2. 5% 2. 5% 2. 4% 1. 018 2. 9% 2. 9% 2. 8% 2. 8% 2. 8% 2. 8% 2. 8% 2. 8% 2. 8% 2. 8% 2. 8% 1. 020 3. 2% 3. 2% 3. 2% 3.1% 3. 1% 3. 1% 3.1% 3.1% 3.1% 3.1% 3.1% 1. 022 3. 5% 3. 5% 3. 5% 3.4% 3. 4% 3. 4% 3.4% 3. 4% 3. 4% 3.4% 3. 3% 1. 024 3. 8% 3. 8% 3. 8% 3. 8% 3. 7% 3. 7% 3. 7% 3. 7% 3. 7% 3. 7% 3. 6% 1. 026 4. 1% 4.1% 4.1% 4. 1% 4.0% 4.0% 4. 0% 4.0% 4.0% 4. 0% 3. 9% 1. 028 4.4% 1. 4% 4.4% 4.4% 4.3% 4.3% 4. 3% 4.3% 4.3% 4. 3% 4.2% p浆1. 030 4. 7% 1.7% 4. 7% 4. 7% 4. 6% 4. 6% 4. 6% 4. 6% 4. 6% 4. 5% 4. 5% 1. 032 5. 0% 5. 0% 0.。可5. 0% 4.9% 4.9% 4.9% 4.9% 4.9% 4.8% 4.8% 一一一一一1. 034 5. 3% 5. 3% 5, 3% 5. 3% 5. 2% 5. 2% 5. 2% 5. 2% 5. 2% 5. 1% 5.1% 1. 036 5. 6% 5. 6% 5. 610 5. b才5. 5% 5. 5% 5. 5% 5. 5% 5. 4% 5.4% 5. 4% 1. 038 5. 9% 5. 9% 5. 9% 5. 9% 5. m J 5. 8% 5. 8% 5. 8% 5. 7% 5. 7% 5. 7% 1. 040 6. 3% 6. 2% 6. 2% 6. 2% 6. 1% 3. 1% 6. 1% 6.1% 6. 0% 6. 0% 6. 0% 1. 042 6. 5% 6. 5% 6. 5% 6. 5% 6. 4% 6. 4% 6.% 6. 3% 6. 3% 6. 3% 6. 3% 1. 044 6.8% 6. 8% 6. 8% 6.8% 6. 7% 6. 7% 6. 7% 6. 6% 6. 6% 6. 6% 6. 6% 1. 046 7. 1% 7.1% 7.1% 7. 0% 7. 0% 7. 0% 7. 0% 6. 9% 6. 9% 6. 9% 6. 8% 1. 048 7.4% 7. 4% 7. 4% 7. 3% 7. 3% 7. 3% 7. 2% 7. 2% 7. 2% 7. 2% 7.1% 1. 050 7. 7% 7. 7% 7. 7% 7. 6% 7. 6% 7. 6% 7. 5% 7. 5% 7. 5% 7.4% 7. 4% 1. 052 8. 0% 8. 0% 8. 0% 7. 9% 7. 9% 7. 9% 7. 8% 7. 8% 7. 8% 7. 7% 7. 7% 1. 054 8. 3% 8. 3% 8. 2% 8. 2% 8. 2% 8.1% 8. 1% 8.1% 8. 0% 8. 0% 8. 0% 1. 056 8. 6% 8. 6% 8. 5% 8. 5% 8. 5% 8. 4% 8.4% 8. 4% 8. 3% 8. 3% 8. 2% 1. 058 8. 9% 8. 9% 8. 8% 8. 8% 8. 7% 8. 7% 8. 7% 8. 6% 8. 6% 8. 6% 8. 5% 11 DB51/T 2681-2020 表E.1 回收浆含固量与密度常用对照表(续)项目P国2. 60 2. 62 2. 64 2. 66 2. 68 2. 70 2.72 2. 74 2. 76 2. 78 2. 80 1. 060 9. 2% 9. 2% 9.1% 9. 1% 9. 0% 9. 0% 9. 0% 8. 9% 8. 9% 8.8% 8. 8% 1. 062 9. 5% 9. 4% 9. 4% 9.4% 9. 3% 9. 3% 9. 2% 9. 2% 9. 2% 9. 1% 9.1% 1. 064 9.8% 9. 7% 9. 7% 9. 6% 9. 6% 9. 6% 9. 5% 9. 5% 9. 4% 9.4% 9. 4% 1. 066 10. 1% 10.0% 10.0% 9.9% 9. 9% 9. 8% 9.8% 9. 7% 9. 7% 9. 7% 9. 6% 1. 068 10. 3% 10.3% 10.2% 10. 2% 10.2% 10. 1% 10. 1% 10.0% 10.0% 9.9% 9. 9% 1. 070 10. 6% 10.6% 10.5% 10. 5% 10.4% 10.4% 10. 3% 10.3% 10.3% 10. 2% 10.2% 1. 072 10.9% 10.9% 10.8% 10.8% 10. 7% 10. 7% 10. 6% 10.6% 10.5% 10. 5% 10.4% 1. 074 11. 2% 11. 1% 11. 1% 11. 0% 11. 0% 10.9% 10.9% 10.8% 10.8% 10.8% 10. 7% 1. 076 11. 5% 11. 4% 11. 4% 11. 3% 11. 3% 11. 2% 11. 2% 11. 1% 11. 1% 11. 0% 11. 0% 1. 078 11. 8% 11. 7% 11. 6% 11. 6% 11. 5% 11. 5% 11. 4% 11. 4% 11. 3% 11. 3% 11. 3% 1. 080 12. 0% 12.0% 11. 9% 11. 9% 11. 8% 11. 8% 11. 7% 11. 7% 11. 6% 11. 6% 11. 5% 1. 082 12. 3% 12.3% 12.2% 12. 1% 12. 1% 12.0% 12. 0% 11. 9% 11. 9% 11. 8% 11. 8% 1. 084 12. 6% 12.5% 12.5% 12.4% 12.4% 12.3% 12. 3% 12.2% 12.2% 12. 1% 12. 1% 1. 086 12.9% 12.8% 12. 7% 12. 7% 12.6% 12.6% 12. 5% 12.5% 12.4% 12.4% 12.3% 1. 088 13. 1% 13. 1% 13.0% 13. 0% 12.9% 12.8% 12.8% 12. 7% 12. 7% 12. 6% 12.6% 1. 090 13.4% 13.4% 13.3% 13. 2% 13.2% 13. 1% 13. 1% 13.0% 12.9% 12.9% 12.8% 1. 092 13. 7% 13. 6% 13. 6% 13. 5% 13.4% 13.4% 13. 3% 13.3% 13.2% 13. 2% 13. 1% 1. 094 14.0% 13.9% 13.8% 13.8% 13. 7% 13. 6% 13. 6% 13. 5% 13. 5% 13.4% 13.4% 1. 096 14.2% 14.2% 14. 1% 14.0% 14.0% 13.9% 13.9% 13.8% 13. 7% 13. 7% 13. 6% P浆1. 098 14. 5% 14.4% 14.4% 14.3% 14.2% 14.2% 14. 1% 14. 1% 14. 0% 13. 9% 13.9% 1. 100 14. 8% 14. 7% 14.6% 14. 6% 14.5% 14.4% 14.4% 14. 3% 14. 3% 14. 2% 14. 1% 1. 102 15. 0% 15. 0% 14.9% 14. 8% 14.8% 14. 7% 14. 6% 14.6% 14.5% 14. 5% 14.4% 1. 104 15. ;)O 5.2% 15.2% 1,5.1% 15. 0% 15. 0% 14. 9% 14.8% 14.8% 14. 7% 14. 7% 1. 106 15. 6% 15.5% 15.4% 1,5.4% 15. 3% 15.2% 1,5. 2% 15. 1% 15. 0% 1,5. 0% 14.9% 1. 108 15. 8% 15.8% 15. I为-|-l-56% 15.5% 15.5% 1,5.4% 15. 3% 15. 3% 1,5. 2% 15.2% 1. 110 16. 1% 16. 0% 16. 0% 15. 9吨15.8% 15. 7% 15. 7% 15. 6% 15.5% 15. 5% 15.4% 1. 112 16.4% 16. 3% 16.2% 16. 1轧 6. 1地16. 0% 15. 9% 15.9% 15.8% 15. 7% 15. 7% 1. 114 16. 6% 16. 6% 16.5% 16.4% 16. 3% 16. 3% 16. 2% 16. 1% 16. 0% 16. 0% 15.9% 1. 116 16.9% 16.8% 16. 7% 16. 7% 16.6% 16. 5% H.4% 16.4% 16.3% 16. 2% 16.2% 1. 118 17.2% 17. 1% 17.0% 16. 9% 16.8% 16.8% H.7% 16.6% 16.6% 16. 5% 16.4% 1. 120 17.4% 17.3% 17.2% 17.2% 17. 1% 17.0% 16. 9% 16.9% 16.8% 16. 7% 16. 7% 1. 122 17.7% 17.6% 17.5% 17.4% 17.3% 17.3% 17.2% 17. 1% 17. 1% 17.0% 16.9% 1. 124 17.9% 17.8% 17.8% 17.7% 17.6% 17.5% 17.4% 17. 4% 17. :5% 17.2% 17.2% 1. 126 18. 2% 18. 1% 18. 0% 17.9% 17.9% 17.8% 17.7% 17.6% 17. 500 17.5% 17.4% 1. 128 18.4% 18.4% 18. 3% 18. 2% 18. 1% 18. 0% 17.9% 17.9% 17.8% 17.7% 17.7% 1. 130 18. 7% 18. 6% 18.5% 18.4% 18.4% 18. 3% 18. 2% 18. 1% 18. 0% 18. 0% 17.9% 1. 132 18. 9% 18.9% 18.8% 18. 7% 18. 6% 18.5% 18.4% 18.4% 18. 3% 18. 2% 18. 1% 1. 134 19. 2% 19. 1% 19.0% 18. 9% 18.9% 18.8% 18. 7% 18.6% 18. 5% 18. 5% 18.4% 12 DB51/T 2681-2020 表E.1 回收浆含固量与密度常用对照表(续)项目P国2. 60 2. 62 2. 64 2. 66 2. 68 2. 70 2.72 2. 74 2. 76 2. 78 2. 80 1. 136 19. 5% 19.4% 19.3% 19. 2% 19. 1% 19.0% 18.9% 18.9% 18.8% 18. 7% 18.6% 1. 138 19. 7% 19.6% 19.5% 19.4% 19.3% 19.3% 19. 2% 19. 1% 19.0% 18.9% 18.9% 1. 140 20. 0% 19.9% 19.8% 19. 7% 19.6% 19.5% 19.4% 19.3% 19.3% 19. 2% 19. 1% 1. 142 20. 2% 20. 1% 20.0% 19.9% 19.8% 19. 7% 19. 7% 19.6% 19.5% 19.4% 19.3% 1. 144 20. 5% 20.4% 20.3% 20. 2% 20. 1% 20.0% 19.9% 19.8% 19. 7% 19. 7% 19.6% P浆1. 146 20. 7% 20.6% 20.5% 20.4% 20.3% 20.2% 20. 1% 20. 1% 20.0% 19.9% 19.8% 1. 148 20.9% 20.9% 20.8% 20. 7% 20.6% 20.5% 20.4% 20.3% 20.2% 20. 1% 20. 1% 1. 150 21. 2% 21. 1% 21. 0% 20.9% 20.8% 20. 7% 20. 6% 20.5% 20.5% 20.4% 20.3% 1. 152 21. 4% 21. 3% 21. 2% 21. 1% 21. 0% 21. 0% 20.9% 20.8% 20. 7% 20. 6% 20.5% 1. 154 21. 7% 21. 6% 21. 5% 21. 4% 21. 3% 21. 2% 21. 1% 21. 0% 20.9% 20.8% 20.8% 13