CN206014618U - A kind of coating wastewater processing system - Google Patents
A kind of coating wastewater processing system Download PDFInfo
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Abstract
本实用新型涉及一种涂装废水处理系统，包括物化预处理系统、生化处理系统、深度处理系统；所述的物化预处理系统设有乳化液废水预处理系统、磷化废水预处理系统与综合废水预处理系统，物化预处理系统、生化处理系统、深度处理系统依次连接。相比现有技术，本实用新型具有设有乳化液废水预处理系统、磷化废水预处理系统、综合废水预处理系统；设有生化处理系统、深度处理系统；设有多个循环的特点。
The utility model relates to a coating wastewater treatment system, comprising a physical and chemical pretreatment system, a biochemical treatment system, and an advanced treatment system; the physical and chemical pretreatment system is provided with an emulsion wastewater pretreatment system, a phosphating wastewater pretreatment system and The wastewater pretreatment system, physical and chemical pretreatment system, biochemical treatment system, and advanced treatment system are connected in sequence. Compared with the prior art, the utility model has the characteristics of being equipped with an emulsion wastewater pretreatment system, a phosphating wastewater pretreatment system, a comprehensive wastewater pretreatment system; a biochemical treatment system, an advanced treatment system; and multiple cycles.
Description
技术领域technical field
本实用新型涉及废水处理系统，特别涉及一种涂装废水处理系统。The utility model relates to a wastewater treatment system, in particular to a coating wastewater treatment system.
背景技术Background technique
目前，涂装废水处理系统普遍存在结构简单、功能单一的问题，不能满足现代社会对于涂装废水处理的要求。At present, the painting wastewater treatment system generally has the problems of simple structure and single function, which cannot meet the requirements of modern society for painting wastewater treatment.
实用新型内容Utility model content
本实用新型所要解决的技术问题：针对现有技术的不足和缺陷，本实用新型提供一种设有乳化液废水预处理系统、磷化废水预处理系统、综合废水预处理系统；设有生化处理系统、深度处理系统；设有多个循环的涂装废水处理系统。The technical problem to be solved by the utility model: aiming at the deficiencies and defects of the prior art, the utility model provides an emulsion wastewater pretreatment system, a phosphating wastewater pretreatment system, and a comprehensive wastewater pretreatment system; system, advanced treatment system; there is a coating wastewater treatment system with multiple cycles.
本实用新型是这样设计的：一种涂装废水处理系统，其特征在于：包括物化预处理系统、生化处理系统、深度处理系统；所述的物化预处理系统设有乳化液废水预处理系统、磷化废水预处理系统与综合废水预处理系统，物化预处理系统、生化处理系统、深度处理系统依次连接；The utility model is designed in this way: a coating wastewater treatment system, characterized in that it includes a physical and chemical pretreatment system, a biochemical treatment system, and an advanced treatment system; the physical and chemical pretreatment system is provided with an emulsion wastewater pretreatment system, The phosphating wastewater pretreatment system is connected with the comprehensive wastewater pretreatment system, physical and chemical pretreatment system, biochemical treatment system, and advanced treatment system in sequence;
所述的乳化液废水预处理系统的钢带收油机、乳化液调节池、纸带过滤机、膜装置循环槽、膜过滤装置、浓缩机依次连接；所述的膜过滤装置分别与清洗药剂槽、综合废水调节池连接；The steel belt oil skimmer, the emulsion regulating tank, the paper belt filter, the membrane device circulation tank, the membrane filter device and the concentrator of the emulsion wastewater pretreatment system are connected in sequence; Tank, comprehensive wastewater regulating pool connection;
所述的磷化废水预处理系统的磷化清槽溶液池、磷化废水调节池、PH调整反应池、混凝反应池、斜板沉淀槽、检测水箱、生化混合池依次连接；所述的磷化废水调节池与检测水箱连接；所述的PH调整反应池分别与石灰乳溶液投药装置、稀碱溶液投药装置连接；所述的混凝反应池分别与三氯化铁溶液投药装置、聚丙烯酰胺溶液投药装置连接；所述的斜板沉淀槽、磷化污泥转移池、磷化污泥浓缩池、磷化污泥脱水机依次连接；所述的磷化污泥脱水机与磷化废水调节池连接；The phosphating cleaning tank solution pool, phosphating wastewater regulating tank, pH adjustment reaction tank, coagulation reaction tank, inclined plate sedimentation tank, detection water tank, and biochemical mixing tank of the phosphating wastewater pretreatment system are connected in sequence; The phosphating wastewater regulating tank is connected with the detection water tank; the pH adjustment reaction tank is connected with the lime milk solution dosing device and the dilute alkali solution dosing device respectively; the coagulation reaction tank is respectively connected with the ferric chloride solution dosing device, the polymer The acrylamide solution dosing device is connected; the inclined plate sedimentation tank, the phosphating sludge transfer tank, the phosphating sludge concentration tank, and the phosphating sludge dewatering machine are connected in sequence; the phosphating sludge dewatering machine is connected with the phosphating sludge dewatering machine Wastewater adjustment tank connection;
所述的综合废水预处理系统的综合废水调节池、PH调整反应槽、混凝反应槽、斜板沉淀池、混凝反应池、气浮装置、生化混合池依次连接；所述的综合废水调节池分别与气浮装置、电泳高浓度水池、脱脂喷漆高浓度废水池、乳化液陶瓷膜装置连接；所述的PH调整反应槽分别与石灰乳溶液投药装置、稀碱溶液投药装置连接；所述的混凝反应槽、混凝反应池分别与聚合氧化铝溶液投药装置、聚丙烯酰胺溶液投药装置连接；所述的混凝反应池与酸溶液投药装置连接；所述的斜板沉淀池、气浮装置分别与物化污泥转移池、物化污泥浓缩槽、物化污泥脱水机依次连接；所述的物化污泥脱水机与综合废水调节池连接；The comprehensive wastewater adjustment tank, pH adjustment reaction tank, coagulation reaction tank, inclined plate sedimentation tank, coagulation reaction tank, air flotation device, and biochemical mixing tank of the comprehensive wastewater pretreatment system are connected in sequence; the comprehensive wastewater adjustment The pools are respectively connected with the air flotation device, the electrophoresis high-concentration pool, the degreasing paint spraying high-concentration wastewater pool, and the emulsion ceramic membrane device; the pH adjustment reaction tank is connected with the lime milk solution dosing device and the dilute alkali solution dosing device respectively; The coagulation reaction tank and the coagulation reaction tank are respectively connected with the polymerized alumina solution dosing device and the polyacrylamide solution dosing device; the coagulation reaction tank is connected with the acid solution dosing device; the inclined plate sedimentation tank, gas The floating device is respectively connected to the physical and chemical sludge transfer tank, the physical and chemical sludge concentration tank, and the physical and chemical sludge dewatering machine in sequence; the physical and chemical sludge dewatering machine is connected to the comprehensive wastewater regulating tank;
所述的生化处理系统的混合中和池、生化选择池、水解酸化池、需氧生化池、间歇曝气生化池、中间水池依次连接；所述的混合中和池分别与磷化废水预处理系统出水、综合废水预处理系统出水、碱溶液投加装置、酸溶液投加装置连接；所述的生化污水集水池、机械格栅、生活污水调节池、混合中和池依次连接；所述的间歇曝气生化池分别与混合中和池、水解酸化池连接；所述的间歇曝气生化池、生化污泥转移池、生化污泥浓缩槽、生化污泥脱水机依次连接；所述的生化污泥脱水机与综合废水调节池连接；The mixed neutralization tank, biochemical selection tank, hydrolytic acidification tank, aerobic biochemical tank, intermittent aeration biochemical tank, and intermediate pools of the biochemical treatment system are connected in sequence; The system effluent, the comprehensive wastewater pretreatment system effluent, the alkali solution dosing device, and the acid solution dosing device are connected; the biochemical sewage collection tank, the mechanical grille, the domestic sewage regulating tank, and the mixing neutralization tank are connected in sequence; the described The intermittent aeration biochemical tank is respectively connected with the mixing neutralization tank and the hydrolysis acidification tank; the intermittent aeration biochemical tank, the biochemical sludge transfer tank, the biochemical sludge concentration tank, and the biochemical sludge dehydrator are connected in sequence; the biochemical The sludge dewatering machine is connected with the comprehensive wastewater regulating tank;
所述的深度处理系统的中间水池、混凝反应槽、斜管沉降池、中间水槽、微分式全自动石英砂过滤器、微分式全自动活性炭吸附器、检测及消毒水箱依次连接；所述的混凝反应槽分别与聚合氧化铝溶液投药装置、聚丙烯酰胺溶液投药装置连接；所述的斜管沉降池、生化污泥转移池、生化污泥浓缩槽、生化污泥脱水机依次连接；所述的检测及消毒水箱分别与中间水池、二氧化氯消毒装置、排放水池、中水回用水池连接。The intermediate pool, coagulation reaction tank, inclined tube settling tank, intermediate water tank, differential type automatic quartz sand filter, differential type automatic activated carbon adsorber, detection and disinfection water tank of the advanced treatment system are connected in sequence; The coagulation reaction tank is respectively connected with the polymerized alumina solution dosing device and the polyacrylamide solution dosing device; the inclined tube settling tank, the biochemical sludge transfer tank, the biochemical sludge concentration tank, and the biochemical sludge dehydrator are connected in sequence; The detection and disinfection water tanks described above are respectively connected with the intermediate pool, the chlorine dioxide disinfection device, the discharge pool, and the reclaimed water reuse pool.
通过上述设计方案，本实用新型可以带来如下有益效果：本实用新型设有乳化液废水预处理系统、磷化废水预处理系统、综合废水预处理系统，对涂装废水进行物化处理后，通过生化处理系统进行生化处理，最后通过深度处理系统进行再次处理，设有多个循环，多个重复，保证涂装废水的出水水质。Through the above design scheme, the utility model can bring the following beneficial effects: the utility model is equipped with an emulsion wastewater pretreatment system, a phosphating wastewater pretreatment system, and a comprehensive wastewater pretreatment system. After the physical and chemical treatment of the coating wastewater, through The biochemical treatment system conducts biochemical treatment, and finally conducts further treatment through the advanced treatment system. There are multiple cycles and multiple repetitions to ensure the quality of the effluent of the coating wastewater.
附图说明Description of drawings
图1为本实用新型的结构示意图；Fig. 1 is the structural representation of the utility model;
图2为本实用新型的乳化液废水预处理系统的结构示意图；Fig. 2 is the structural representation of the emulsion wastewater pretreatment system of the present utility model;
图3为本实用新型的磷化废水预处理系统的结构示意图；Fig. 3 is the structural representation of the phosphating wastewater pretreatment system of the present utility model;
图4为本实用新型的综合废水预处理系统的结构示意图；Fig. 4 is the structural representation of the comprehensive wastewater pretreatment system of the present utility model;
图5为本实用新型的生化处理系统的结构示意图；Fig. 5 is the structural representation of the biochemical treatment system of the present utility model;
图6为本实用新型的深度处理系统的结构示意图。Fig. 6 is a schematic structural diagram of the advanced processing system of the present invention.
具体实施方式detailed description
下面结合附图说明和具体实施方式对本实用新型作进一步说明。The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.
使用方法：Instructions:
乳化液废水预处理系统的机加乳化液经单独收集后，进入乳化液调节池进行均质、均量，采用钢带收油机对浮油进行初步收集，废油外运焚烧或回收；乳化液在泵的作用下经纸带过滤机去除无机杂质、经膜装置循环槽电加热后进入膜过滤装置，滤液进入综合废水调节池，滤渣进入浓缩机浓缩后外运焚烧或回收；其中，通过清洗药剂槽向膜过滤装置加入酸液、碱液、化学清洗剂，加液时先对液体进行电加热。After the machine-added emulsion of the emulsion wastewater pretreatment system is collected separately, it enters the emulsion adjustment tank for homogenization and equalization, and the steel belt oil skimmer is used to initially collect the slick oil, and the waste oil is transported out for incineration or recycling; emulsification Under the action of the pump, the liquid passes through the paper tape filter to remove inorganic impurities, and then enters the membrane filtration device after being electrically heated by the circulation tank of the membrane device. The cleaning agent tank adds acid, lye, and chemical cleaning agents to the membrane filtration device. When adding liquid, the liquid is first heated electrically.
磷化废水预处理系统的磷化清槽溶液池中收集定期排放的涂装废水并送入磷化废水调节池中进行均质均量；经空气搅拌充分混合后提升至PH调整反应池中，自动投加石灰乳和稀碱溶液，将废水的PH值调整至10-11之间；经机械搅拌充分反应后进入混凝反应池，投加三氯化铁、聚丙烯酰胺絮凝剂后流入斜板沉淀槽；利用重力分离后，斜板沉淀槽中的上清液进入检测水箱；检测水箱对水中的磷、镍、锌、锰离子进行检测，达到三级排放标准后直接排出，不达标的废水重新送入磷化废水调节池进行再次处理，或者送入生化混合池中进行生化处理；斜板沉淀槽中的沉淀物通过重力排入磷化污泥转移池中，然后经磷化污泥浓缩池的浓缩处理、经磷化污泥脱水机的脱水处理后，压滤废液重新送入磷化废水调节池进行再次处理，废渣制成泥饼外运。The regularly discharged coating wastewater is collected in the phosphating wastewater pretreatment system’s phosphating cleaning tank solution pool and sent to the phosphating wastewater regulating tank for homogenization and equalization; after being fully mixed by air stirring, it is lifted to the pH adjustment reaction tank, Automatically add lime milk and dilute alkali solution to adjust the pH value of the wastewater to between 10-11; after fully reacting with mechanical stirring, it enters the coagulation reaction tank, and after adding ferric chloride and polyacrylamide flocculant, it flows into the ramp Plate sedimentation tank; after separation by gravity, the supernatant in the inclined plate sedimentation tank enters the detection water tank; the detection water tank detects phosphorus, nickel, zinc, and manganese ions in the water, and is discharged directly after reaching the third-level discharge standard. The wastewater is re-sent to the phosphating wastewater regulating tank for further treatment, or sent to the biochemical mixing tank for biochemical treatment; the sediment in the inclined plate sedimentation tank is discharged into the phosphating sludge transfer tank by gravity, and then the phosphating sludge After the concentration treatment in the concentration tank and the dehydration treatment by the phosphating sludge dewatering machine, the filter press waste liquid is sent to the phosphating wastewater regulating tank for further treatment, and the waste residue is made into mud cake for export.
综合废水预处理系统的电泳高浓度水池、脱脂喷漆高浓度废水池定期收集涂装废水，并送入综合废水调节池单独存放，乳化液废水预处理系统处理后的液体送入乳化液陶瓷膜装置中，也进入综合废水调节池中单独存放；综合废水池中溶液进行空气搅拌充分混合后在泵的作用下送入PH调整反应槽中，自动投加石灰乳、稀碱溶液将废水的PH值调节至10-11之间，然后进入混凝反应槽中；混凝反应槽中投加聚合氧化铝、聚丙烯酰胺絮凝剂后形成大量絮状物，进入斜板沉淀池；斜板沉淀池中的液体进行固液分离，上清液进入混凝反应池，加入酸溶液后调节PH值至7-9，加入聚合氧化铝、聚丙烯酰胺絮凝剂沉降后，液体进入气浮装置；气浮装置利用浮选分离的方式，将重力无法去除的油、细微颗粒进行去除，气浮装置处理后达标的水直接进行排放，不达标的水进入生化混合池中进行生化处理或重新送入综合废水调节池进行再次处理；斜板沉淀池、气浮装置中的沉淀物则通过重力排入物化污泥转移池，经物化污泥浓缩槽的浓缩，经物化污泥脱水机的脱水后，压滤废液重新送入综合废水调节池进行再次处理，废渣制成泥饼外运。The electrophoresis high-concentration pool and degreasing spray paint high-concentration wastewater pool of the comprehensive wastewater pretreatment system regularly collect painting wastewater and send it to the comprehensive wastewater adjustment tank for separate storage. The liquid treated by the emulsion wastewater pretreatment system is sent to the emulsion ceramic membrane device It also enters the comprehensive wastewater regulating tank and is stored separately; the solution in the comprehensive wastewater tank is fully mixed with air and then sent to the pH adjustment reaction tank under the action of the pump, and lime milk and dilute alkali solution are automatically added to adjust the pH value of the wastewater. Adjust it to 10-11, and then enter the coagulation reaction tank; add polyalumina and polyacrylamide flocculants to the coagulation reaction tank to form a large number of flocs, enter the inclined plate sedimentation tank; The solid-liquid separation of the liquid, the supernatant enters the coagulation reaction tank, the pH value is adjusted to 7-9 after adding acid solution, and after adding polymerized alumina and polyacrylamide flocculants to settle, the liquid enters the air flotation device; the air flotation device Use the flotation separation method to remove the oil and fine particles that cannot be removed by gravity. The water that meets the standard after the treatment of the air flotation device is directly discharged, and the water that does not meet the standard enters the biochemical mixing tank for biochemical treatment or is re-sent to the comprehensive wastewater regulation. The sediment in the inclined plate sedimentation tank and the air flotation device is discharged into the materialized sludge transfer tank by gravity, concentrated in the materialized sludge thickening tank, and dehydrated by the materialized sludge dewatering machine. The liquid is re-sent to the comprehensive wastewater regulating tank for further treatment, and the waste residue is made into mud cake for export.
生化处理系统的磷化废水预处理系统出水、综合废水预处理出水进入混合中和池中，自动投加酸溶液和碱溶液，将废水的PH值调节至7-8之间；同时，生活污水集水池内的生活污水经机械格栅处理后进入生活污水调节池，均质均量后进入混合中和池，调节PH值至7-8之间；调节后的混合废水进入生化选择池，与活性污泥充分混合后流入水解酸化池中；经硝酸菌、亚硝酸菌的硝化反应后进入需氧生化池、间歇曝气生化池；废水经罗茨风机鼓入空气进行预曝气、主曝气两个阶段反应后，利用好氧菌降解废水中的有机物，同时控制50-100％的废水重新进入混合中和池、水解酸化池中进行再次处理；处理后的废水进入中间水池；间歇曝气生化池中的沉淀物进入生化污泥转移池，经生化污泥浓缩槽的浓缩处理，经生化污泥脱水机的脱水处理后，压滤废液重新送入综合废水调节池进行再次处理，废渣制成泥饼外运。The effluent of the phosphating wastewater pretreatment system of the biochemical treatment system and the effluent of the comprehensive wastewater pretreatment enter the mixing neutralization tank, and the acid solution and alkali solution are automatically added to adjust the pH value of the wastewater to between 7-8; at the same time, domestic sewage The domestic sewage in the sump is treated by mechanical grille and then enters the domestic sewage adjustment tank, and then enters the mixed neutralization tank after homogenization and equalization, and adjusts the pH value to 7-8; the adjusted mixed wastewater enters the biochemical selection tank, and After the activated sludge is fully mixed, it flows into the hydrolysis and acidification tank; after the nitrification reaction of nitric acid bacteria and nitrous bacteria, it enters the aerobic biochemical tank and intermittent aeration biochemical tank; the waste water is blown into air by Roots blower for pre-aeration, main aeration After the gas two-stage reaction, use aerobic bacteria to degrade the organic matter in the wastewater, and at the same time control 50-100% of the wastewater to re-enter the mixed neutralization tank and hydrolytic acidification tank for retreatment; the treated wastewater enters the intermediate tank; intermittent exposure The sediment in the gas biochemical tank enters the biochemical sludge transfer tank, is concentrated by the biochemical sludge thickening tank, and dehydrated by the biochemical sludge dewatering machine. The waste residue is made into mud cake and transported abroad.
深度处理系统的中间水池内的废水经提升泵的作用进入混凝反应槽，再次投加聚合氧化铝、聚丙烯酰胺絮凝剂后机械搅拌混合加速反应速度，使废水中残留的生物菌磷酸根离子形成羽胶状物体，然后流入斜管沉降池中；斜管沉降池利用重力分离，上清液流入中间水槽，沉降的污泥通过重力排入生化污泥转移池中，经生化污泥浓缩槽的浓缩处理，生化污泥脱水机的脱水处理后，制成泥饼外运；废水经微分式全自动石英砂过滤器、微分式全自动活性炭吸附器的过滤、吸附处理后，去除残留的有机物，降低COD值；处理后的废水进入检测及消毒水箱进行二氧化氯消毒和在线检测，不合格的水重新进入中间水池进行再次处理，合格的水排入排放水池或中水回用水池中。The wastewater in the intermediate pool of the advanced treatment system enters the coagulation reaction tank through the action of the lift pump, and then add polymerized alumina and polyacrylamide flocculants, then mechanically stir and mix to accelerate the reaction speed, so that the residual biological phosphate ions in the wastewater Feather jelly-like objects are formed, and then flow into the inclined tube settling tank; the inclined tube settling tank is separated by gravity, the supernatant flows into the middle tank, and the settled sludge is discharged into the biochemical sludge transfer tank by gravity, and passed through the biochemical sludge thickening tank After the concentration treatment of the biochemical sludge dewatering machine, it is made into a mud cake and shipped out; after the waste water is filtered and adsorbed by a differential automatic quartz sand filter and a differential automatic activated carbon adsorber, the residual organic matter is removed , to reduce the COD value; the treated wastewater enters the detection and disinfection tank for chlorine dioxide disinfection and online detection, the unqualified water re-enters the intermediate pool for retreatment, and the qualified water is discharged into the discharge pool or the reclaimed water reuse pool.
实施例1：Example 1:
某汽车公司，废水水质及排放量为：For an automobile company, the wastewater quality and discharge volume are:
排放要求为：The emission requirements are:
中水回用水质指标为：The water quality indicators for reclaimed water are:
设计方案为：The design scheme is:
一种涂装废水处理系统，其特征在于：包括物化预处理系统、生化处理系统、深度处理系统；所述的物化预处理系统设有乳化液废水预处理系统、磷化废水预处理系统与综合废水预处理系统，物化预处理系统、生化处理系统、深度处理系统依次连接；所述的乳化液废水预处理系统的钢带收油机、乳化液调节池、纸带过滤机、膜装置循环槽、膜过滤装置、浓缩机依次连接；所述的膜过滤装置分别与清洗药剂槽、综合废水调节池连接；所述的磷化废水预处理系统的磷化清槽溶液池、磷化废水调节池、PH调整反应池、混凝反应池、斜板沉淀槽、检测水箱、生化混合池依次连接；所述的磷化废水调节池与检测水箱连接；所述的PH调整反应池分别与石灰乳溶液投药装置、稀碱溶液投药装置连接；所述的混凝反应池分别与三氯化铁溶液投药装置、聚丙烯酰胺溶液投药装置连接；所述的斜板沉淀槽、磷化污泥转移池、磷化污泥浓缩池、磷化污泥脱水机依次连接；所述的磷化污泥脱水机与磷化废水调节池连接；所述的综合废水预处理系统的综合废水调节池、PH调整反应槽、混凝反应槽、斜板沉淀池、混凝反应池、气浮装置、生化混合池依次连接；所述的综合废水调节池分别与气浮装置、电泳高浓度水池、脱脂喷漆高浓度废水池、乳化液陶瓷膜装置连接；所述的PH调整反应槽分别与石灰乳溶液投药装置、稀碱溶液投药装置连接；所述的混凝反应槽、混凝反应池分别与聚合氧化铝溶液投药装置、聚丙烯酰胺溶液投药装置连接；所述的混凝反应池与酸溶液投药装置连接；所述的斜板沉淀池、气浮装置分别与物化污泥转移池、物化污泥浓缩槽、物化污泥脱水机依次连接；所述的物化污泥脱水机与综合废水调节池连接；所述的生化处理系统的混合中和池、生化选择池、水解酸化池、需氧生化池、间歇曝气生化池、中间水池依次连接；所述的混合中和池分别与磷化废水预处理系统出水、综合废水预处理系统出水、碱溶液投加装置、酸溶液投加装置连接；所述的生化污水集水池、机械格栅、生活污水调节池、混合中和池依次连接；所述的间歇曝气生化池分别与混合中和池、水解酸化池连接；所述的间歇曝气生化池、生化污泥转移池、生化污泥浓缩槽、生化污泥脱水机依次连接；所述的生化污泥脱水机与综合废水调节池连接；所述的深度处理系统的中间水池、混凝反应槽、斜管沉降池、中间水槽、微分式全自动石英砂过滤器、微分式全自动活性炭吸附器、检测及消毒水箱依次连接；所述的混凝反应槽分别与聚合氧化铝溶液投药装置、聚丙烯酰胺溶液投药装置连接；所述的斜管沉降池、生化污泥转移池、生化污泥浓缩槽、生化污泥脱水机依次连接；所述的检测及消毒水箱分别与中间水池、二氧化氯消毒装置、排放水池、中水回用水池连接。A coating wastewater treatment system, characterized in that it includes a physical and chemical pretreatment system, a biochemical treatment system, and an advanced treatment system; the physical and chemical pretreatment system is equipped with an emulsion wastewater pretreatment system, a phosphating wastewater pretreatment system and a comprehensive The wastewater pretreatment system, physical and chemical pretreatment system, biochemical treatment system, and advanced treatment system are connected in sequence; the steel belt oil skimmer, emulsion adjustment tank, paper belt filter, and membrane device circulation tank of the emulsion wastewater pretreatment system , membrane filtration device, and concentrator are connected in sequence; the membrane filtration device is connected with the cleaning agent tank and the comprehensive wastewater regulating tank respectively; , PH adjustment reaction tank, coagulation reaction tank, inclined plate sedimentation tank, detection water tank, biochemical mixing tank are connected successively; the described phosphating wastewater adjustment tank is connected with the detection water tank; the described PH adjustment reaction tank is connected with the milk of lime solution respectively The dosing device and the dilute alkali solution dosing device are connected; the coagulation reaction tank is respectively connected with the ferric chloride solution dosing device and the polyacrylamide solution dosing device; the inclined plate sedimentation tank, the phosphating sludge transfer tank, The phosphating sludge concentration tank and the phosphating sludge dewatering machine are connected in sequence; the phosphating sludge dewatering machine is connected with the phosphating wastewater regulating pool; the comprehensive wastewater regulating pool and pH adjustment reaction of the comprehensive wastewater pretreatment system tank, coagulation reaction tank, inclined plate sedimentation tank, coagulation reaction tank, air flotation device, and biochemical mixing tank are connected in sequence; The tank and the emulsion ceramic membrane device are connected; the pH adjustment reaction tank is connected with the lime milk solution dosing device and the dilute alkali solution dosing device respectively; the coagulation reaction tank and the coagulation reaction tank are respectively connected with the polymerized alumina solution dosing device The device and the polyacrylamide solution dosing device are connected; the coagulation reaction tank is connected with the acid solution dosing device; the inclined plate sedimentation tank and the air flotation device are respectively connected with the physical and chemical sludge transfer tank, the The sludge dewatering machine is connected sequentially; the physical and chemical sludge dewatering machine is connected with the comprehensive wastewater regulating tank; the mixed neutralization tank, biochemical selection tank, hydrolytic acidification tank, aerobic biochemical tank, intermittent aeration tank of the biochemical treatment system The biochemical pool and the intermediate pool are connected sequentially; the mixed neutralization pool is respectively connected with the effluent of the phosphating wastewater pretreatment system, the effluent of the comprehensive wastewater pretreatment system, the alkali solution dosing device, and the acid solution dosing device; the biochemical sewage The water collection tank, the mechanical grille, the domestic sewage regulating tank, and the mixed neutralization tank are connected in sequence; the intermittent aeration biochemical tank is respectively connected with the mixed neutralization tank and the hydrolytic acidification tank; the intermittent aeration biochemical tank, biochemical sewage The mud transfer tank, the biochemical sludge thickening tank, and the biochemical sludge dewatering machine are connected in sequence; the biochemical sludge dewatering machine is connected to the comprehensive wastewater regulating tank; the intermediate pool, the coagulation reaction tank, and the inclined pipe of the advanced treatment system Settling tank, intermediate water tank, differential type automatic quartz sand filter, differential type automatic activated carbon adsorber, detection and disinfection water tank are connected in sequence; Dosing device connected; the inclined tube settling tank, biochemical sludge transfer tank, biochemical sludge thickening tank, and biochemical sludge dewatering machine are connected in sequence; the detection and disinfection water tank is connected with the intermediate pool, chlorine dioxide disinfection device, discharge The pool and the reclaimed water are connected to the pool.
涂装废水处理工艺为：The coating wastewater treatment process is:
乳化液废水预处理系统的机加乳化液经单独收集后，进入乳化液调节池进行均质、均量，采用钢带收油机对浮油进行初步收集，废油外运焚烧或回收；乳化液在泵的作用下经纸带过滤机去除无机杂质、经膜装置循环槽电加热后进入膜过滤装置，滤液进入综合废水调节池，滤渣进入浓缩机浓缩后外运焚烧或回收；其中，通过清洗药剂槽向膜过滤装置加入酸液、碱液、化学清洗剂，加液时先对液体进行电加热。After the machine-added emulsion of the emulsion wastewater pretreatment system is collected separately, it enters the emulsion adjustment tank for homogenization and equalization, and the steel belt oil skimmer is used to initially collect the slick oil, and the waste oil is transported out for incineration or recycling; emulsification Under the action of the pump, the liquid passes through the paper tape filter to remove inorganic impurities, and then enters the membrane filtration device after being electrically heated by the circulation tank of the membrane device. The cleaning agent tank adds acid, lye, and chemical cleaning agents to the membrane filtration device. When adding liquid, the liquid is first heated electrically.
磷化废水预处理系统的磷化清槽溶液池中收集定期排放的涂装废水并送入磷化废水调节池中进行均质均量；经空气搅拌充分混合后提升至PH调整反应池中，自动投加石灰乳和稀碱溶液，将废水的PH值调整至10-11之间；经机械搅拌充分反应后进入混凝反应池，投加三氯化铁、聚丙烯酰胺絮凝剂后流入斜板沉淀槽；利用重力分离后，斜板沉淀槽中的上清液进入检测水箱；检测水箱对水中的磷、镍、锌、锰离子进行检测，达到三级排放标准后直接排出，不达标的废水重新送入磷化废水调节池进行再次处理，或者送入生化混合池中进行生化处理；斜板沉淀槽中的沉淀物通过重力排入磷化污泥转移池中，然后经磷化污泥浓缩池的浓缩处理、经磷化污泥脱水机的脱水处理后，压滤废液重新送入磷化废水调节池进行再次处理，废渣制成泥饼外运。The regularly discharged coating wastewater is collected in the phosphating wastewater pretreatment system’s phosphating cleaning tank solution pool and sent to the phosphating wastewater regulating tank for homogenization and equalization; after being fully mixed by air stirring, it is lifted to the pH adjustment reaction tank, Automatically add lime milk and dilute alkali solution to adjust the pH value of the wastewater to between 10-11; after fully reacting with mechanical stirring, it enters the coagulation reaction tank, and after adding ferric chloride and polyacrylamide flocculant, it flows into the ramp Plate sedimentation tank; after separation by gravity, the supernatant in the inclined plate sedimentation tank enters the detection water tank; the detection water tank detects phosphorus, nickel, zinc, and manganese ions in the water, and is discharged directly after reaching the third-level discharge standard. The wastewater is re-sent to the phosphating wastewater regulating tank for further treatment, or sent to the biochemical mixing tank for biochemical treatment; the sediment in the inclined plate sedimentation tank is discharged into the phosphating sludge transfer tank by gravity, and then the phosphating sludge After the concentration treatment in the concentration tank and the dehydration treatment by the phosphating sludge dewatering machine, the filter press waste liquid is sent to the phosphating wastewater regulating tank for further treatment, and the waste residue is made into mud cake for export.
综合废水预处理系统的电泳高浓度水池、脱脂喷漆高浓度废水池定期收集涂装废水，并送入综合废水调节池单独存放，乳化液废水预处理系统处理后的液体送入乳化液陶瓷膜装置中，也进入综合废水调节池中单独存放；综合废水池中溶液进行空气搅拌充分混合后在泵的作用下送入PH调整反应槽中，自动投加石灰乳、稀碱溶液将废水的PH值调节至10-11之间，然后进入混凝反应槽中；混凝反应槽中投加聚合氧化铝、聚丙烯酰胺絮凝剂后形成大量絮状物，进入斜板沉淀池；斜板沉淀池中的液体进行固液分离，上清液进入混凝反应池，加入酸溶液后调节PH值至7-9，加入聚合氧化铝、聚丙烯酰胺絮凝剂沉降后，液体进入气浮装置；气浮装置利用浮选分离的方式，将重力无法去除的油、细微颗粒进行去除，气浮装置处理后达标的水直接进行排放，不达标的水进入生化混合池中进行生化处理或重新送入综合废水调节池进行再次处理；斜板沉淀池、气浮装置中的沉淀物则通过重力排入物化污泥转移池，经物化污泥浓缩槽的浓缩，经物化污泥脱水机的脱水后，压滤废液重新送入综合废水调节池进行再次处理，废渣制成泥饼外运。The electrophoresis high-concentration pool and degreasing spray paint high-concentration wastewater pool of the comprehensive wastewater pretreatment system regularly collect painting wastewater and send it to the comprehensive wastewater adjustment tank for separate storage. The liquid treated by the emulsion wastewater pretreatment system is sent to the emulsion ceramic membrane device It also enters the comprehensive wastewater regulating tank and is stored separately; the solution in the comprehensive wastewater tank is fully mixed with air and then sent to the pH adjustment reaction tank under the action of the pump, and lime milk and dilute alkali solution are automatically added to adjust the pH value of the wastewater. Adjust it to 10-11, and then enter the coagulation reaction tank; add polyalumina and polyacrylamide flocculants to the coagulation reaction tank to form a large number of flocs, enter the inclined plate sedimentation tank; The solid-liquid separation of the liquid, the supernatant enters the coagulation reaction tank, the pH value is adjusted to 7-9 after adding acid solution, and after adding polymerized alumina and polyacrylamide flocculants to settle, the liquid enters the air flotation device; the air flotation device Use the flotation separation method to remove the oil and fine particles that cannot be removed by gravity. The water that meets the standard after the treatment of the air flotation device is directly discharged, and the water that does not meet the standard enters the biochemical mixing tank for biochemical treatment or is re-sent to the comprehensive wastewater regulation. The sediment in the inclined plate sedimentation tank and the air flotation device is discharged into the materialized sludge transfer tank by gravity, concentrated in the materialized sludge thickening tank, and dehydrated by the materialized sludge dewatering machine. The liquid is re-sent to the comprehensive wastewater regulating tank for further treatment, and the waste residue is made into mud cake for export.
生化处理系统的磷化废水预处理系统出水、综合废水预处理出水进入混合中和池中，自动投加酸溶液和碱溶液，将废水的PH值调节至7-8之间；同时，生活污水集水池内的生活污水经机械格栅处理后进入生活污水调节池，均质均量后进入混合中和池，调节PH值至7-8之间；调节后的混合废水进入生化选择池，与活性污泥充分混合后流入水解酸化池中；经硝酸菌、亚硝酸菌的硝化反应后进入需氧生化池、间歇曝气生化池；废水经罗茨风机鼓入空气进行预曝气、主曝气两个阶段反应后，利用好氧菌降解废水中的有机物，同时控制50-100％的废水重新进入混合中和池、水解酸化池中进行再次处理；处理后的废水进入中间水池；间歇曝气生化池中的沉淀物进入生化污泥转移池，经生化污泥浓缩槽的浓缩处理，经生化污泥脱水机的脱水处理后，压滤废液重新送入综合废水调节池进行再次处理，废渣制成泥饼外运。The effluent of the phosphating wastewater pretreatment system of the biochemical treatment system and the effluent of the comprehensive wastewater pretreatment enter the mixing neutralization tank, and the acid solution and alkali solution are automatically added to adjust the pH value of the wastewater to between 7-8; at the same time, domestic sewage The domestic sewage in the sump is treated by mechanical grille and then enters the domestic sewage adjustment tank, and then enters the mixed neutralization tank after homogenization and equalization, and adjusts the pH value to 7-8; the adjusted mixed wastewater enters the biochemical selection tank, and After the activated sludge is fully mixed, it flows into the hydrolysis and acidification tank; after the nitrification reaction of nitric acid bacteria and nitrous bacteria, it enters the aerobic biochemical tank and intermittent aeration biochemical tank; the waste water is blown into air by Roots blower for pre-aeration, main aeration After the gas two-stage reaction, use aerobic bacteria to degrade the organic matter in the wastewater, and at the same time control 50-100% of the wastewater to re-enter the mixed neutralization tank and hydrolytic acidification tank for retreatment; the treated wastewater enters the intermediate tank; intermittent exposure The sediment in the gas biochemical tank enters the biochemical sludge transfer tank, is concentrated by the biochemical sludge thickening tank, and dehydrated by the biochemical sludge dewatering machine. The waste residue is made into mud cake and transported abroad.
深度处理系统的中间水池内的废水经提升泵的作用进入混凝反应槽，再次投加聚合氧化铝、聚丙烯酰胺絮凝剂后机械搅拌混合加速反应速度，使废水中残留的生物菌磷酸根离子形成羽胶状物体，然后流入斜管沉降池中；斜管沉降池利用重力分离，上清液流入中间水槽，沉降的污泥通过重力排入生化污泥转移池中，经生化污泥浓缩槽的浓缩处理，生化污泥脱水机的脱水处理后，制成泥饼外运；废水经微分式全自动石英砂过滤器、微分式全自动活性炭吸附器的过滤、吸附处理后，去除残留的有机物，降低COD值；处理后的废水进入检测及消毒水箱进行二氧化氯消毒和在线检测，不合格的水重新进入中间水池进行再次处理，合格的水排入排放水池或中水回用水池中。The wastewater in the intermediate pool of the advanced treatment system enters the coagulation reaction tank through the action of the lift pump, and then add polymerized alumina and polyacrylamide flocculants, then mechanically stir and mix to accelerate the reaction speed, so that the residual biological phosphate ions in the wastewater Feather jelly-like objects are formed, and then flow into the inclined tube settling tank; the inclined tube settling tank is separated by gravity, the supernatant flows into the middle tank, and the settled sludge is discharged into the biochemical sludge transfer tank by gravity, and passed through the biochemical sludge thickening tank After the concentration treatment of the biochemical sludge dewatering machine, it is made into a mud cake and shipped out; after the waste water is filtered and adsorbed by a differential automatic quartz sand filter and a differential automatic activated carbon adsorber, the residual organic matter is removed , to reduce the COD value; the treated wastewater enters the detection and disinfection tank for chlorine dioxide disinfection and online detection, the unqualified water re-enters the intermediate pool for retreatment, and the qualified water is discharged into the discharge pool or the reclaimed water reuse pool.
处理效果：Processing effect:
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| CN107970680B (en) * | 2017-11-30 | 2020-01-14 | 武汉钢铁有限公司 | Paper belt type degreasing treatment filtering system and method with pre-coating function |
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