CN108911356B - A water-based paint wastewater integrated treatment equipment - Google Patents
A water-based paint wastewater integrated treatment equipment Download PDFInfo
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- 238000011282 treatment Methods 0.000 title claims abstract description 142
- 239000002351 wastewater Substances 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003973 paint Substances 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims description 29
- 238000009434 installation Methods 0.000 claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 239000012528 membrane Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000000126 substance Substances 0.000 abstract description 16
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000004065 wastewater treatment Methods 0.000 description 4
- 239000004593 Epoxy Substances 0.000 description 3
- 239000002518 antifoaming agent Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000008394 flocculating agent Substances 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000004094 surface-active agent Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Activated Sludge Processes (AREA)
- Biological Treatment Of Waste Water (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
技术领域technical field
本发明涉及废水处理领域，具体地说，涉及一种水性漆废水一体化处理设备。The invention relates to the field of wastewater treatment, in particular to an integrated treatment equipment for water-based paint wastewater.
背景技术Background technique
水性漆作为高环保清漆，已成为涂料行业的主流方向，但由于其完全与水互溶的特点，使其生产废水处理成为业界公认的难题。虽然水性漆VOC排放量小，水溶性好，但是由于其配方成分复杂，含有各种不同的有机物、胶体物质和重金属等物质，在废漆处理过程中与油性漆相比还存在漆渣分散、含水量高、浊度降低困难，生化降解难度大等弊病。As a highly environmentally friendly varnish, water-based paint has become the mainstream direction of the paint industry. However, due to its completely miscible characteristics with water, its production wastewater treatment has become a recognized problem in the industry. Although water-based paint has a small VOC emission and good water solubility, due to its complex formulation and composition, it contains various organic substances, colloidal substances and heavy metals. High water content, difficulty in reducing turbidity, and difficulty in biochemical degradation.
目前水性漆废水的处理多采用混凝沉淀一级处理法，处理后的污水多跟其余废水混合进行生化等下一阶段处理。一般混凝沉淀后的污染物去除效率接近80-90％，但剩下的水溶性COD浓度依然高达3000mg/L以上，而且多属于难降解物质，因此，迫切的需要一种新的技术方案解决水性漆废水处理的技术问题。At present, the treatment of water-based paint wastewater mostly adopts the coagulation and sedimentation primary treatment method, and the treated wastewater is mostly mixed with the rest of the wastewater for biochemical and other next-stage treatment. Generally, the removal efficiency of pollutants after coagulation and precipitation is close to 80-90%, but the remaining water-soluble COD concentration is still as high as 3000mg/L or more, and most of them are refractory substances. Therefore, a new technical solution is urgently needed. Technical issues of water-based paint wastewater treatment.
申请号为CN201621058057.8现有技术提供了一种水性漆废水处理设备，设有第一pH调节区、酸析沉淀区、进行曝气反应的微电解区、光芬顿反应区、沉淀区以及清水区，该设备处理工艺复杂，需进行加酸、电解和芬顿处理，存在运行成本高，占地面积大，运行过程中存在异味等问题。申请号为CN201610155415.5的现有技术提供了一种化工废水一体化处理池，主要设有密封的壳体，壳体内设有分离区，微生物处理区，填料吸附区和电离渗滤区，该设备解决了密封问题，但是处理工艺不够合理，填料吸附区的处理负荷较重，需要频繁进行更换，而且设有压力泵进行喷淋操作，运行成本高。The application number is CN201621058057.8 The prior art provides a water-based paint wastewater treatment equipment, which is provided with a first pH adjustment zone, an acid precipitation zone, a micro-electrolysis zone for aeration reaction, a photo-Fenton reaction zone, a precipitation zone and In the clear water area, the equipment has a complex treatment process, which requires acid addition, electrolysis and Fenton treatment. There are problems such as high operating costs, large floor space, and peculiar smell during operation. The prior art with the application number of CN201610155415.5 provides an integrated treatment tank for chemical wastewater, which is mainly provided with a sealed shell, and the shell is provided with a separation zone, a microorganism treatment zone, a filler adsorption zone and an ionization percolation zone. The equipment solves the sealing problem, but the treatment process is not reasonable enough, the treatment load of the packing adsorption area is heavy, and it needs to be replaced frequently, and there is a pressure pump for spray operation, and the operating cost is high.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于克服上述现有技术的不足，提供一种水性漆废水一体化处理设备，设备整体结构简单紧凑，安装更换方便，运输方便，密封性能好，处理效果好，无异味散发，可适用于不同场合的水性漆废水。The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a water-based paint wastewater integrated treatment equipment, the overall structure of the equipment is simple and compact, the installation and replacement are convenient, the transportation is convenient, the sealing performance is good, the treatment effect is good, no peculiar smell is emitted, and the Water-based paint waste water for different occasions.
为实现上述目的，本发明采用如下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
一种水性漆废水一体化处理设备，所述的一体化处理设备为密封的箱体，其特征在于，所述的箱体内设有预处理区，一级生物处理区，二级生物处理区和深度处理区，所述的一级生物处理区设置在预处理区和深度处理区之间，所述的二级生物处理区为环形的槽体，所述的预处理区，一级生物处理区和深度处理区设置在槽体内部，所述的预处理区的顶部设有废水进水口，所述深度处理区的顶部设有废水排放口，所述预处理区的上部通过第一连通口连接一级生物处理区，所述一级生物处理区的上部设有第二连通口连接二级生物处理区，所述二级生物处理区的底部设有第三连通口连接深度处理区，第二连通口与第三连通口之间槽体内设有隔板，所述预处理区、一级生物处理区和二级生物处理区底部分别设有第一排泥口、第二排泥口和第三排泥口。An integrated treatment equipment for water-based paint wastewater, the integrated treatment equipment is a sealed box, characterized in that the box is provided with a pretreatment zone, a primary biological treatment zone, and a secondary biological treatment zone and advanced treatment area, the first-level biological treatment area is arranged between the pre-treatment area and the advanced treatment area, the second-level biological treatment area is an annular tank body, the pre-treatment area, the first-level biological treatment area The top of the pretreatment zone is provided with a waste water inlet, the top of the advanced treatment zone is provided with a waste water discharge port, and the upper part of the pretreatment zone is provided with a first communication port Connect the primary biological treatment zone, the upper part of the primary biological treatment zone is provided with a second communication port to connect to the secondary biological treatment zone, the bottom of the secondary biological treatment zone is provided with a third communication port to connect the advanced treatment zone, the second communication port is connected to the advanced treatment zone. A partition plate is arranged in the tank between the second communication port and the third communication port, and the bottoms of the pretreatment zone, the primary biological treatment zone and the secondary biological treatment zone are respectively provided with a first mud discharge port, a second mud discharge port and The third row of mud holes.
优选的，所述的预处理区设有加药口和至少一个精密过滤器，所述精密过滤器滤芯可以进行拆卸更换，所述精密过滤器顶部设置废水进水口，底部设置废水出口。Preferably, the pretreatment area is provided with a dosing port and at least one precision filter, the filter element of the precision filter can be disassembled and replaced, the precision filter is provided with a waste water inlet at the top and a waste water outlet at the bottom.
优选的，所述的一级生物处理区设有至少一排可拆卸的MBR膜。Preferably, the primary biological treatment zone is provided with at least one row of detachable MBR membranes.
优选的，所述的二级生物处理区为厌氧池、好氧池或厌氧好氧池中的一种。Preferably, the secondary biological treatment zone is one of an anaerobic pond, an aerobic pond or an anaerobic aerobic pond.
优选的，所述的深度处理区为若干个模块化组装的活性炭纤维安装框架。Preferably, the advanced treatment area is a plurality of modularly assembled activated carbon fiber installation frames.
优选的，所述的深度处理区由2-10个模块化组装的活性炭纤维安装框架组成，所述活性炭纤维安装框架内装填有可更换的活性炭纤维。Preferably, the advanced treatment area is composed of 2-10 modularly assembled activated carbon fiber installation frames, and the activated carbon fiber installation frames are filled with replaceable activated carbon fibers.
优选的，所述的箱体上开有方便更换的人孔盖。Preferably, the box body is provided with a manhole cover for easy replacement.
本发明与现有技术相比，有益效果如下：Compared with the prior art, the present invention has the following beneficial effects:
1、本发明的设备整体结构简单紧凑，方便运输，密封性能好，无异味散发，可适用于不同场合的水性漆废水。1. The overall structure of the equipment of the present invention is simple and compact, easy to transport, has good sealing performance, and has no peculiar smell, and can be applied to water-based paint wastewater in different occasions.
2、本发明采用可更换的精密过滤器、浸没式的MBR膜和模块化的活性炭纤维，同时结合壳体上盖所布置的人孔盖，有利于各模块的安装和更换，设备整体维护操作简单便捷。2. The present invention adopts replaceable precision filter, immersed MBR membrane and modular activated carbon fiber, and at the same time combines the manhole cover arranged on the upper cover of the casing, which is beneficial to the installation and replacement of each module and the overall maintenance operation of the equipment Simple and convenient.
3、本发明包括初级过滤、絮凝沉淀、二级生化处理和活性炭吸附等操作步骤，通过上述操作步骤的集约化、紧凑化、合理化的组合，高效地去除了水性漆废水中悬浮颗粒、废渣、胶体物质、有机物和重金属等物质，废水出水达到国家一级排放标准。3. The present invention includes operation steps such as primary filtration, flocculation sedimentation, secondary biochemical treatment and activated carbon adsorption. Through the intensive, compact and rational combination of the above operation steps, the suspended particles, waste residues, waste residues, etc. in the water-based paint wastewater are efficiently removed. Substances such as colloidal substances, organic substances and heavy metals, and the effluent of wastewater meets the national first-class discharge standards.
4、本发明无需任何动力设备，废水进入本设备后，经过一段时间的处理后，即可使废水出水满足排放要求，无需人员现场控制。4. The present invention does not require any power equipment. After the wastewater enters the equipment, after a period of treatment, the wastewater effluent can meet the discharge requirements, and no on-site control is required.
附图说明Description of drawings
图1为本发明装置结构简图；1 is a schematic diagram of the structure of the device of the present invention;
图2为本发明的装置俯视结构简图。FIG. 2 is a schematic top view of the structure of the device of the present invention.
其中，1箱体，2预处理区，3一级生物处理区，4深度处理区，5二级生物处理区，6废水进水口，7加药口，8第一排泥口，9第一连通口，10第二连通口，11第二排泥口，12第三连通口，13废水排放口，14精密过滤器，15MBR膜，16活性炭纤维，17人孔盖，18废水出口，19第三排泥口Among them, 1 tank, 2 pretreatment area, 3 primary biological treatment area, 4 advanced treatment area, 5 secondary biological treatment area, 6 wastewater inlet, 7 dosing port, 8 first mud outlet, 9 first Communication port, 10 second communication port, 11 second mud outlet, 12 third communication port, 13 waste water discharge port, 14 precision filter, 15MBR membrane, 16 activated carbon fiber, 17 manhole cover, 18 waste water outlet, 19th Three rows of mud holes
具体实施方式Detailed ways
下面结合附图和具体实施例子对本发明作进一步详细说明，以便清楚理解本发明的技术方案。The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, so as to clearly understand the technical solutions of the present invention.
实施例1Example 1
如图1和图2所示的一种水性漆废水一体化处理设备，所述的一体化处理设备为密封的箱体，所述的箱体内设有预处理区，一级生物处理区，二级生物处理区和深度处理区，所述的一级生物处理区设置在预处理区和深度处理区之间，所述的二级生物处理区为环形的槽体，所述的预处理区，一级生物处理区和深度处理区设置在槽体内部，所述的预处理区的顶部设有废水进水口，所述深度处理区的顶部设有废水口，所述预处理区的上部通过第一连通口连接一级生物处理区，所述一级生物处理区的上部设有第二连通口连接二级生物处理区，所述二级生物处理区的底部设有第三连通口连接深度处理区，第二连通口与第三连通口之间槽体内设有隔板，所述预处理区、一级生物处理区和二级生物处理区底部分别设有第一排泥口、第二排泥口和第三排泥口。所述的预处理区设有加药口和一个精密过滤器，所述精密过滤器滤芯可以进行拆卸更换，所述精密过滤器顶部设置废水进水口，底部设置废水出口，废水经过精密过滤器除去悬浮物和大颗粒物质，所述加药口进行絮凝剂的添加，进行水体中胶体物质的絮凝沉淀，所述的一级生物处理区设有三排可拆卸的MBR膜，所述的二级生物处理区为厌氧池，所述的深度处理区为4个模块化组装的活性炭纤维安装框架，所述活性炭纤维安装框架内装填有可更换的活性炭纤维，所述的箱体上开有方便更换的人孔盖。As shown in Figure 1 and Figure 2, an integrated treatment equipment for water-based paint wastewater, the integrated treatment equipment is a sealed box, and the box is provided with a pretreatment area and a primary biological treatment area. Secondary biological treatment zone and advanced treatment zone, the primary biological treatment zone is arranged between the pretreatment zone and the advanced treatment zone, the secondary biological treatment zone is an annular tank body, and the pretreatment zone , the primary biological treatment area and the advanced treatment area are arranged inside the tank body, the top of the pretreatment area is provided with a waste water inlet, the top of the advanced treatment area is provided with a waste water inlet, and the upper part of the pretreatment area is provided with a waste water inlet. The first communication port is connected to the primary biological treatment zone, the upper part of the primary biological treatment zone is provided with a second communication port to connect to the secondary biological treatment zone, and the bottom of the secondary biological treatment zone is provided with a third communication port to connect the depth In the treatment area, a partition plate is arranged in the tank between the second communication port and the third communication port, and the bottoms of the pretreatment area, the first-level biological treatment area and the second-level biological treatment area are respectively provided with a first mud discharge port and a second sludge discharge port. Mud outlet and third row of mud outlet. The pretreatment area is provided with a dosing port and a precision filter. The filter element of the precision filter can be disassembled and replaced. The precision filter is provided with a waste water inlet at the top and a waste water outlet at the bottom. The waste water is removed by the precision filter. Suspended solids and large particulate matter, the dosing port is used for the addition of flocculants, and the flocculation and precipitation of colloidal substances in the water is carried out. The primary biological treatment area is provided with three rows of detachable MBR membranes, and the secondary biological The treatment area is an anaerobic tank, and the advanced treatment area is four modularly assembled activated carbon fiber installation frames. The activated carbon fiber installation frames are filled with replaceable activated carbon fibers, and the box is opened for easy replacement. manhole cover.
某涂料生产公司是一家水性漆涂料生产加工的小型企业，主要生产无机富锌环氧底漆。生产原料主要还有环氧树脂，另外还含有增稠剂、流平剂、消泡剂、成膜助剂、锌粉等表面活性剂及重金属物质，COD值在28000mg/L以上，重金属含量为270mg/L，可生化性非常差，属于高难度难降解废水。将上述废水依次经过上述预处理、二级生物处理和深度处理后，废水水质清澈，出水COD降至300以下，重金属含量为2.1mg/L。A paint production company is a small enterprise engaged in the production and processing of water-based paints, mainly producing inorganic zinc-rich epoxy primers. The production raw materials mainly include epoxy resin, in addition to thickeners, leveling agents, defoaming agents, film-forming aids, zinc powder and other surfactants and heavy metal substances. The COD value is above 28,000 mg/L, and the heavy metal content is 270mg/L, the biodegradability is very poor, and it is a highly difficult and refractory wastewater. After the above-mentioned wastewater is sequentially subjected to the above-mentioned pretreatment, secondary biological treatment and advanced treatment, the water quality of the wastewater is clear, the COD of the effluent is reduced to below 300, and the heavy metal content is 2.1 mg/L.
实施例2Example 2
如图1和图2所示的一种水性漆废水一体化处理设备，所述的一体化处理设备为密封的箱体，所述的箱体内设有预处理区，一级生物处理区，二级生物处理区和深度处理区，所述的一级生物处理区设置在预处理区和深度处理区之间，所述的二级生物处理区为环形的槽体，所述的预处理区，一级生物处理区和深度处理区设置在槽体内部，所述的预处理区的顶部设有废水进水口，所述深度处理区的顶部设有废水排放口，所述预处理区的上部通过第一连通口连接一级生物处理区，所述一级生物处理区的上部设有第二连通口连接二级生物处理区，所述二级生物处理区的底部设有第三连通口连接深度处理区，第二连通口与第三连通口之间槽体内设有隔板，所述预处理区、一级生物处理区和二级生物处理区底部分别设有第一排泥口、第二排泥口和第三排泥口。所述的预处理区设有加药口和一个精密过滤器，所述精密过滤器滤芯可以进行拆卸更换，所述精密过滤器顶部设置废水进水口，底部设置废水出口，废水经过精密过滤器除去悬浮物和大颗粒物质，所述加药口进行絮凝剂的添加，进行水体中胶体物质的絮凝沉淀，所述的一级生物处理区设有三排可拆卸的MBR膜，所述的二级生物处理区为好氧池，所述的深度处理区为6个模块化组装的活性炭纤维安装框架，所述活性炭纤维安装框架内装填有可更换的活性炭纤维，所述的箱体上开有方便更换的人孔盖。As shown in Figure 1 and Figure 2, an integrated treatment equipment for water-based paint wastewater, the integrated treatment equipment is a sealed box, and the box is provided with a pretreatment area and a primary biological treatment area. Secondary biological treatment zone and advanced treatment zone, the primary biological treatment zone is arranged between the pretreatment zone and the advanced treatment zone, the secondary biological treatment zone is an annular tank body, and the pretreatment zone , the primary biological treatment area and the advanced treatment area are arranged inside the tank, the top of the pretreatment area is provided with a waste water inlet, the top of the advanced treatment area is provided with a waste water discharge port, and the upper part of the pretreatment area is provided with a waste water inlet. The primary biological treatment zone is connected through a first communication port, the upper part of the primary biological treatment zone is provided with a second communication port to connect to the secondary biological treatment zone, and the bottom of the secondary biological treatment zone is provided with a third communication port to connect In the advanced treatment area, a partition plate is arranged in the tank between the second communication port and the third communication port, and the bottom of the pretreatment area, the first-level biological treatment area and the second-level biological treatment area are respectively provided with a first mud discharge port, a second The second row of mud holes and the third row of mud holes. The pretreatment area is provided with a dosing port and a precision filter. The filter element of the precision filter can be disassembled and replaced. The precision filter is provided with a waste water inlet at the top and a waste water outlet at the bottom. The waste water is removed by the precision filter. Suspended solids and large particulate matter, the dosing port is used for the addition of flocculants, and the flocculation and precipitation of colloidal substances in the water is carried out. The primary biological treatment area is provided with three rows of detachable MBR membranes, and the secondary biological The treatment area is an aerobic pool, and the advanced treatment area is 6 modularly assembled activated carbon fiber installation frames. The activated carbon fiber installation frames are filled with replaceable activated carbon fibers, and the box is opened for easy replacement. manhole cover.
某涂料生产公司是一家水性漆涂料生产加工的小型企业，主要生产无机富锌环氧底漆。生产原料主要还有环氧树脂，另外还含有增稠剂、流平剂、消泡剂、成膜助剂、锌粉等表面活性剂及重金属物质，COD值在25100mg/L以上，重金属含量为254mg/L，可生化性非常差，属于高难度难降解废水。将上述废水依次经过上述预处理、二级生物处理和深度处理后，废水水质清澈，出水COD降至300以下，重金属含量为1.5mg/L。A paint production company is a small enterprise engaged in the production and processing of water-based paints, mainly producing inorganic zinc-rich epoxy primers. The production raw materials mainly include epoxy resin, in addition to thickeners, leveling agents, defoaming agents, film-forming aids, zinc powder and other surfactants and heavy metal substances, the COD value is above 25100mg/L, and the heavy metal content is 254mg/L, the biodegradability is very poor, and it is a highly difficult and refractory wastewater. After the above-mentioned waste water is sequentially subjected to the above-mentioned pretreatment, secondary biological treatment and advanced treatment, the water quality of the waste water is clear, the COD of the effluent is reduced to below 300, and the heavy metal content is 1.5 mg/L.
实施例3Example 3
如图1和图2所示的一种水性漆废水一体化处理设备，所述的一体化处理设备为密封的箱体，所述的箱体内设有预处理区，一级生物处理区，二级生物处理区和深度处理区，所述的一级生物处理区设置在预处理区和深度处理区之间，所述的二级生物处理区为环形的槽体，所述的预处理区，一级生物处理区和深度处理区设置在槽体内部，所述的预处理区的顶部设有废水进水口，所述深度处理区的顶部设有废水排放口，所述预处理区的上部通过第一连通口连接一级生物处理区，所述一级生物处理区的上部设有第二连通口连接二级生物处理区，所述二级生物处理区的底部设有第三连通口连接深度处理区，第二连通口与第三连通口之间槽体内设有隔板，所述预处理区、一级生物处理区和二级生物处理区底部分别设有第一排泥口、第二排泥口和第三排泥口。所述的预处理区设有加药口和一个精密过滤器，所述精密过滤器滤芯可以进行拆卸更换，所述精密过滤器顶部设置废水进水口，底部设置废水出口，废水经过精密过滤器除去悬浮物和大颗粒物质，所述加药口进行絮凝剂的添加，进行水体中胶体物质的絮凝沉淀，所述的一级生物处理区设有三排可拆卸的MBR膜，所述的二级生物处理区为厌氧好氧池，所述的深度处理区为8个模块化组装的活性炭纤维安装框架，所述活性炭纤维安装框架内装填有可更换的活性炭纤维，所述的箱体上开有方便更换的人孔盖。As shown in Figure 1 and Figure 2, an integrated treatment equipment for water-based paint wastewater, the integrated treatment equipment is a sealed box, and the box is provided with a pretreatment area and a primary biological treatment area. Secondary biological treatment zone and advanced treatment zone, the primary biological treatment zone is arranged between the pretreatment zone and the advanced treatment zone, the secondary biological treatment zone is an annular tank body, and the pretreatment zone , the primary biological treatment area and the advanced treatment area are arranged inside the tank, the top of the pretreatment area is provided with a waste water inlet, the top of the advanced treatment area is provided with a waste water discharge port, and the upper part of the pretreatment area is provided with a waste water inlet. The primary biological treatment zone is connected through a first communication port, the upper part of the primary biological treatment zone is provided with a second communication port to connect to the secondary biological treatment zone, and the bottom of the secondary biological treatment zone is provided with a third communication port to connect In the advanced treatment area, a partition plate is arranged in the tank between the second communication port and the third communication port, and the bottom of the pretreatment area, the first-level biological treatment area and the second-level biological treatment area are respectively provided with a first mud discharge port, a second The second row of mud holes and the third row of mud holes. The pretreatment area is provided with a dosing port and a precision filter. The filter element of the precision filter can be disassembled and replaced. The precision filter is provided with a waste water inlet at the top and a waste water outlet at the bottom. The waste water is removed by the precision filter. Suspended solids and large particulate matter, the dosing port is used for the addition of flocculants, and the flocculation and precipitation of colloidal substances in the water is carried out. The primary biological treatment area is provided with three rows of detachable MBR membranes, and the secondary biological The treatment area is an anaerobic and aerobic pool, and the advanced treatment area is 8 modularly assembled activated carbon fiber installation frames. The activated carbon fiber installation frames are filled with replaceable activated carbon fibers, and the box is opened with Easy-to-replace manhole cover.
某涂料生产公司是一家水性漆涂料生产加工的小型企业，主要生产无机富锌环氧底漆。生产原料主要还有环氧树脂，另外还含有增稠剂、流平剂、消泡剂、成膜助剂、锌粉等表面活性剂及重金属物质，COD值在22000mg/L以上，重金属含量为180mg/L，可生化性非常差，属于高难度难降解废水。将上述废水依次经过上述预处理、二级生物处理和深度处理后，废水水质清澈，出水COD降至280以下，重金属含量为0.5mg/L。A paint production company is a small enterprise engaged in the production and processing of water-based paints, mainly producing inorganic zinc-rich epoxy primers. The production raw materials mainly include epoxy resin, in addition to thickeners, leveling agents, defoaming agents, film forming aids, zinc powder and other surfactants and heavy metal substances, the COD value is above 22000mg/L, and the heavy metal content is 180mg/L, the biodegradability is very poor, and it is a highly difficult and refractory wastewater. After the above-mentioned wastewater is sequentially subjected to the above-mentioned pretreatment, secondary biological treatment and advanced treatment, the water quality of the wastewater is clear, the COD of the effluent is reduced to below 280, and the heavy metal content is 0.5 mg/L.
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明的范围内。本发明要求的保护范围由所附的权利要求书及其等同物界定。The foregoing has shown and described the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principles of the present invention. Without departing from the spirit and scope of the present invention, there are various Variations and improvements are intended to fall within the scope of the claimed invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.
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