CN114890616A - 一种煤化工污水生化处理达标管理***及其溯源方法 - Google Patents
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Abstract
一种煤化工污水生化处理达标管理***及其溯源方法,包括搅拌分离池,污水经过搅拌分离池后依次经过SBR反应池、一级生化池、二级生化池和终沉池,SBR反应池至最终出水之间的工序均设有检测,每次检测均留有样本,所述的检测不合格的污水全部回流至前部工序,采用以上结构后,本发明具有如下优点:本发明采用污水经过搅拌分离池后依次经过SBR反应池、一级生化池、二级生化池和终沉池进行净化,工艺简单,节省费用,运行方式灵活,脱氮除磷效果好,防止污泥膨胀,每次检测均留有样本,可全方位的把控每道工序的出水,可根据样品进行回溯检测,实现溯源。
Description
技术领域
本发明涉及污水处理技术领域,具体是指一种煤化工污水生化处理达标管理***及其溯源方法。
背景技术
煤化工企业排放废水以高浓度煤气洗涤废水为主,含有大量酚、氰、油、氨氮等有毒、有害物质。综合废水中CODcr一般在5000mg/l左右、氨氮在200~500mg/l,废水所含有机污染物包括酚类、多环芳香族化合物及含氮、氧、硫的杂环化合物等,是一种典型的含有难降解的有机化合物的工业废水。废水中的易降解有机物主要是酚类化合物和苯类化合物;砒咯、萘、呋喃、眯唑类属于可降解类有机物;难降解的有机物主要有砒啶、咔唑、联苯、三联苯等。现有的企业为了节省成本,无法对污水在处理的环节进行全方面的把控,当出现污水不达标的时候无法实现溯源。
发明内容
本发明要解决以上问题,提供一种煤化工污水生化处理达标管理***及其溯源方法。
为解决上述技术问题,本发明提供的技术方案为:
一种煤化工污水生化处理达标管理***,包括搅拌分离池,污水经过搅拌分离池后依次经过SBR反应池、一级生化池、二级生化池和终沉池,SBR反应池至最终出水之间的工序均设有检测,每次检测均留有样本,所述的检测不合格的污水全部回流至前部工序,污水处理步骤如下:
①、污水进入搅拌分离池,经过搅拌分离池加水搅拌分离去除杂质;
②、污水流入SBR反应池中进行反应,在出水口检测留样并标记为A1;
③、检测出水口A1的样水,不合格重新进入SBR反应池,合格进入一级生化池;
④、经过一级生化池的水,在出水口检测留样并标记为B1;
⑤、检测B1的样水,不合格重新进入SBR反应池或一级生化池,合格进入二级生化池;
⑥、经过二级生化池的水,在出水口检测留样并标记为C1;
⑦、检测C1的样水,不合格重新进入SBR反应池、一级生化池或二级生化池,合格进入终沉池;
⑧、经过终沉池的水,在出水口检测留样并标记为D1;
⑨、检测D1的样水,不合格重新进入SBR反应池、一级生化池、二级生化池或终沉池,合格的水最终排出。
采用以上结构后,本发明具有如下优点:本发明采用污水经过搅拌分离池后依次经过SBR反应池、一级生化池、二级生化池和终沉池进行净化,工艺简单,节省费用,运行方式灵活,脱氮除磷效果好,防止污泥膨胀,每次检测均留有样本,可全方位的把控每道工序的出水,可根据样品进行回溯检测,实现溯源。
作为改进,所述的SBR反应池包括进水、反应、沉淀和排水四道工序,在反应工序时,进行添加活性污泥、粉末活性炭和药剂。
作为改进,所述的药剂为硝化菌剂和有机营养液,所述的硝化菌剂包括亚硝化单胞菌、亚硝化螺菌、硝化杆菌,所述的有机营养液包括有鱼粉、蛋白酶和碱性脂肪酶组成,硝化菌剂的投放量为0.04kg/m³-0.1kg/m³,有机营养液的投放量为0.5-1 kg/m³。
作为改进,当不合格的水回流至工序的时候,检测的样水的标记为A1-A10、B1-B10、C1-C10和D1-D10,所述的检测的样水全部留存。
作为改进,一级生化池的污水经过格栅、筛网后流至絮凝沉淀池,絮凝沉淀后的废水流入曝气池,在絮凝沉淀池时添加混凝剂。
作为改进,一级生化池和二级生化池的原理一致。
附图说明
图1是本发明一种煤化工污水生化处理达标管理***及其溯源方法的工艺流程图。
具体实施方式
下面结合附图对本发明做进一步的详细说明。
结合附图1,一种煤化工污水生化处理达标管理***,包括搅拌分离池,污水经过搅拌分离池后依次经过SBR反应池、一级生化池、二级生化池和终沉池,SBR反应池至最终出水之间的工序均设有检测,每次检测均留有样本,所述的检测不合格的污水全部回流至前部工序,污水处理步骤如下:
①、污水进入搅拌分离池,经过搅拌分离池加水搅拌分离去除杂质;
②、污水流入SBR反应池中进行反应,在出水口检测留样并标记为A1;
③、检测出水口A1的样水,不合格重新进入SBR反应池,合格进入一级生化池;
④、经过一级生化池的水,在出水口检测留样并标记为B1;
⑤、检测B1的样水,不合格重新进入SBR反应池或一级生化池,合格进入二级生化池;
⑥、经过二级生化池的水,在出水口检测留样并标记为C1;
⑦、检测C1的样水,不合格重新进入SBR反应池、一级生化池或二级生化池,合格进入终沉池;
⑧、经过终沉池的水,在出水口检测留样并标记为D1;
⑨、检测D1的样水,不合格重新进入SBR反应池、一级生化池、二级生化池或终沉池,合格的水最终排出。
所述的SBR反应池包括进水、反应、沉淀和排水四道工序,在反应工序时,进行添加活性污泥、粉末活性炭和药剂。
所述的药剂为硝化菌剂和有机营养液,所述的硝化菌剂包括亚硝化单胞菌、亚硝化螺菌、硝化杆菌,所述的有机营养液包括有鱼粉、蛋白酶和碱性脂肪酶组成,硝化菌剂的投放量为0.04kg/m³-0.1kg/m³,有机营养液的投放量为0.5-1 kg/m³。
当不合格的水回流至工序的时候,检测的样水的标记为A1-A10、B1-B10、C1-C10和D1-D10,所述的检测的样水全部留存。
一级生化池的污水经过格栅、筛网后流至絮凝沉淀池,絮凝沉淀后的废水流入曝气池,在絮凝沉淀池时添加混凝剂。
一级生化池和二级生化池的原理一致。
实施案例一:
①、污水进入搅拌分离池,同时往搅拌分离池内注入的净水稀释,在搅拌分离池内进行搅拌和过滤;
②、过滤的水流入SBR反应池内,经过添加10%的的净水,添加活性污泥、粉末活性炭和硝化菌剂0.05kg/m³、有机营养液0.6kg/m³进行反应和沉淀,所需的时间按照污泥的体积进行计算;
③、排放前检测排水口的污水,时候是否达到首次的排放标准,留样标记为A1,不合格的重新进入SBR反应池内再次运行,SBR反应池内运行时间表如下;
④、初步合格的水流入一级生化池内经过格栅、筛网后流至絮凝沉淀池, 在絮凝沉淀池时添加混凝剂,絮凝沉淀后的废水流入曝气池内,曝气池内产生大量的细微气泡,细微气泡与废水中小悬浮粒子相黏附,形成整体密度小于水的“气泡-颗粒”复合体,悬浮粒子随气泡一起浮升到水面,形成泡沫浮渣,从而使水中的悬浮物得以分离,在曝气池的出水口进行检测和留样记B1;
⑤、检测B1的样水,如不合格,重新进入SBR反应池或一级生化池内,重新进行污水处理,合格的水流入二级生化池内;
⑥、经过二级生化池内的污水进行再次处理,在出水口检测留样并标记为C1;
⑦、C1检测的样水不合格,按照不合格的程度重新进入SBR反应池、一级生化池或二级生化池再次进行处理,合格的进入终沉池;
⑧、进入终沉池的水,在终沉池内沉淀2小时,在出水口检测留样并标记为D1;
⑨、检测D1的样水,不合格的按照不合格的程度重新进入SBR反应池、一级生化池、二级生化池或终沉池,合格的水最终排出。
当需要溯源的时候,可把溯源的水进行检测,然后其中的检测物可与A1-A10、B1-B10、C1-C10或D1-D10的样品进行对比,找到最合适和最接近的样品,按照标号找到样水所对应的工序。
以上对本发明及其实施方式进行了描述,这种描述没有限制性,附图中所示的也只是本发明的实施方式之一,实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示,在不脱离本发明创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本发明的保护范围。
Claims (6)
1.一种煤化工污水生化处理达标管理***,其特征在于,包括搅拌分离池,污水经过搅拌分离池后依次经过SBR反应池、一级生化池、二级生化池和终沉池,SBR反应池至最终出水之间的工序均设有检测,每次检测均留有样本,所述的检测不合格的污水全部回流至前部工序,污水处理步骤如下:
①、污水进入搅拌分离池,经过搅拌分离池加水搅拌分离去除杂质;
②、污水流入SBR反应池中进行反应,在出水口检测留样并标记为A1;
③、检测出水口A1的样水,不合格重新进入SBR反应池,合格进入一级生化池;
④、经过一级生化池的水,在出水口检测留样并标记为B1;
⑤、检测B1的样水,不合格重新进入SBR反应池或一级生化池,合格进入二级生化池;
⑥、经过二级生化池的水,在出水口检测留样并标记为C1;
⑦、检测C1的样水,不合格重新进入SBR反应池、一级生化池或二级生化池,合格进入终沉池;
⑧、经过终沉池的水,在出水口检测留样并标记为D1;
⑨、检测D1的样水,不合格重新进入SBR反应池、一级生化池、二级生化池或终沉池,合格的水最终排出。
2.根据权利要求1所述的一种煤化工污水生化处理达标管理***,其特征在于:所述的SBR反应池包括进水、反应、沉淀和排水四道工序,在反应工序时,进行添加活性污泥、粉末活性炭和药剂。
3.根据权利要求2所述的一种煤化工污水生化处理达标管理***,其特征在于:所述的药剂为硝化菌剂和有机营养液,所述的硝化菌剂包括亚硝化单胞菌、亚硝化螺菌、硝化杆菌,所述的有机营养液包括有鱼粉、蛋白酶和碱性脂肪酶组成,硝化菌剂的投放量为0.04kg/m³-0.1kg/m³,有机营养液的投放量为0.5-1 kg/m³。
4.根据权利要求1所述的一种煤化工污水生化处理达标管理***,其特征在于:当不合格的水回流至工序的时候,检测的样水的标记为A1-A10、B1-B10、C1-C10和D1-D10,所述的检测的样水全部留存。
5.根据权利要求1所述的一种煤化工污水生化处理达标管理***,其特征在于:一级生化池的污水经过格栅、筛网后流至絮凝沉淀池,絮凝沉淀后的废水流入曝气池,在絮凝沉淀池时添加混凝剂。
6.根据权利要求5所述的一种煤化工污水生化处理达标管理***,其特征在于:一级生化池和二级生化池的原理一致。
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