CN206069646U - A kind of biological reinforced processing meanss of penicillin wastewater - Google Patents
A kind of biological reinforced processing meanss of penicillin wastewater Download PDFInfo
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Abstract
Description
技术领域technical field
本实用新型属于废水处理、环境保护技术领域，更具体的说，尤其涉及一种综合多种生物反应器优点的青霉素废水生物强化处理装置。The utility model belongs to the technical field of wastewater treatment and environmental protection, and more specifically relates to a penicillin wastewater biointensification treatment device which integrates the advantages of multiple bioreactors.
背景技术Background technique
青霉素废水是指制药企业在生产青霉素过程中产生的废水或其它含高浓度青霉素的废水，其组成成分复杂，污染物和固体悬浮物浓度高，含有大量难降解物质，且往往存在过量的氮素和残留的青霉素及其副产物，导致其具有较强的微生物毒性和抑制性。目前针对青霉素废水处理的方法有很多，主要可分为物化处理法和生物处理法两大类，其中物化处理法存在着运行费用高、二次污染严重等缺点，因此，生物处理法是目前处理青霉素废水的首要手段。但是，青霉素废水冲击负荷和水质波动大且对微生物有较强的毒害作用，使用常规生物处理方法对其进行处理难以实现高效处理，如何实现青霉素废水的高效处理是目前亟需解决的环境工程问题之一。Penicillin wastewater refers to the wastewater produced by pharmaceutical companies during the production of penicillin or other wastewater containing high concentrations of penicillin. It has complex components, high concentrations of pollutants and suspended solids, contains a large number of refractory substances, and often has excessive nitrogen. And residual penicillin and its by-products lead to its strong microbial toxicity and inhibition. At present, there are many methods for the treatment of penicillin wastewater, which can be mainly divided into two categories: physical and chemical treatment and biological treatment. Among them, physical and chemical treatment has the disadvantages of high operating costs and serious secondary pollution. Therefore, biological treatment is the current treatment method. Primary means of penicillin wastewater. However, penicillin wastewater has a large impact load and water quality fluctuations, and has a strong toxic effect on microorganisms. It is difficult to achieve efficient treatment using conventional biological treatment methods. How to achieve efficient treatment of penicillin wastewater is an environmental engineering problem that needs to be solved urgently. one.
目前根据青霉素废水的特征，主要使用的处理工艺包括：序批式活性污泥反应器(SBR)、膜生物反应器(MBR)、移动床生物膜反应器(MBBR)等。SBR集均化、初沉、生物降解及二沉等功能为一体，具有剩余污泥少、占地少、运行费用低、运行方式灵活、耐有机负荷和毒物负荷冲击的特点，但其对污泥沉降性能要求较高，出现污泥膨胀后出水水质明显下降，且其不能进行连续进出水操作，池容和设备利用率低。MBR将活性污泥法与膜分离技术集为一体，可有效的截留污泥，保留世代周期较长的微生物，保持高生物量，因此具有较强的有机负荷和毒物负荷耐受能力，并可有效提高脱氮效能，但其空间利用率不高，且膜组件价格较高。MBBR结合了生物接触氧化和生物流化床的优点，其能够充分有效利用反应器空间，形成悬浮式的生物膜体系，在提高系统生物量的同时，增强了污染介质与微生物的接触，提升了整个处理体系的处理效能和抗冲击能力，并可以有效克服活性污泥法易发生污泥膨胀的缺点，但其成膜周期相对较长，启动缓慢且不稳定。At present, according to the characteristics of penicillin wastewater, the main treatment processes used include: sequencing batch activated sludge reactor (SBR), membrane bioreactor (MBR), moving bed biofilm reactor (MBBR), etc. SBR integrates the functions of homogenization, primary sedimentation, biodegradation and secondary sedimentation, and has the characteristics of less residual sludge, less land occupation, low operating cost, flexible operation mode, and resistance to the impact of organic load and toxic load. Sludge settlement performance requirements are relatively high, and the quality of the effluent water drops significantly after sludge bulking occurs, and it cannot perform continuous water inflow and outflow operations, resulting in low pool capacity and equipment utilization. MBR integrates activated sludge method and membrane separation technology, which can effectively retain sludge, retain microorganisms with a long generation cycle, and maintain high biomass, so it has strong organic load and toxic load tolerance, and can Effectively improve nitrogen removal performance, but its space utilization rate is not high, and the price of membrane modules is relatively high. MBBR combines the advantages of biological contact oxidation and biological fluidized bed, which can make full and effective use of the reactor space and form a suspended biofilm system. While increasing the biomass of the system, it also enhances the contact between the polluted medium and microorganisms, and improves the The treatment efficiency and impact resistance of the whole treatment system can effectively overcome the shortcomings of the activated sludge process, which is prone to sludge bulking, but its film formation period is relatively long, and the start-up is slow and unstable.
目前上述三种反应器在污水处理中均得到了广泛的应用，但由于其各自存在的以上缺点，从而导致这三种反应器对一些特殊废水，如青霉素等抗生素废水的处理效果不佳，尤其是由于青霉素等抗生素废水的水质水量变化较大，采用上述三种常规反应器进行处理的效能相对较低，且其无法保证出水水质的稳定性。At present, the above three reactors have been widely used in sewage treatment, but due to the above shortcomings, these three reactors have poor treatment effects on some special wastewater, such as penicillin and other antibiotic wastewater, especially Because the water quality and quantity of antibiotic wastewater such as penicillin vary greatly, the efficiency of the above three conventional reactors for treatment is relatively low, and it cannot guarantee the stability of the effluent water quality.
经检索，关于工业废水处理的专利已有较多公开。如中国专利申请号为201210468705.7的发明专利公开了一种含氮有机工业废水的生物脱氮方法，该申请案的工业废水处理装置包括调节池、移动床生物膜反应器和内循环膜生物反应器，首先将含氮有机工业废水通入调节池中以均和池内水质，然后将悬浮填料投入移动床生物膜反应器中并进行生物膜培养，生物膜培养结束后，将调节池中的废水输入移动床生物膜反应器中进行处理；最后再将经移动床生物膜反应器处理后的废水输入内循环膜生物反应器中，内循环膜生物反应器中投放有活性污泥，采用连续进水、间隙排水、连续曝气的方式运行，处理后的废水经过内循环膜生物反应器的膜过滤组件后排出，即完成含氮有机工业废水的生物脱氮处理。该申请案在一定程度上能够提高含氮有机工业废水的生物脱氮处理效果，但对于青霉素废水，由于其水质水量波动大，该申请案的方法并不适合。此外，该申请案的方法始终通过膜过滤组件出水，会提高膜组件清洗频率，缩短膜使用寿命，导致运行成本增加。此外，该申请案中移动床生物膜反应器和内循环膜生物反应器是两个独立的反应装置，这也导致了其所需占地面积较大，导致基建费用上升。After retrieval, many patents on industrial wastewater treatment have been published. For example, the invention patent with the Chinese patent application number 201210468705.7 discloses a biological denitrification method for nitrogen-containing organic industrial wastewater. The industrial wastewater treatment device in this application includes a regulating tank, a moving bed biofilm reactor and an internal circulation membrane bioreactor. , first pass nitrogen-containing organic industrial wastewater into the regulating tank to equalize the water quality in the pond, then put the suspended filler into the moving bed biofilm reactor and carry out biofilm cultivation, after the biofilm cultivation is completed, the wastewater in the regulating pond is input The treatment is carried out in the moving bed biofilm reactor; finally, the wastewater treated by the moving bed biofilm reactor is input into the internal circulation membrane bioreactor, and the activated sludge is placed in the internal circulation membrane bioreactor, and the continuous water inlet , Interstitial drainage, and continuous aeration, the treated wastewater is discharged through the membrane filtration module of the internal circulation membrane bioreactor, and the biological denitrification treatment of nitrogen-containing organic industrial wastewater is completed. This application can improve the biological denitrification treatment effect of nitrogen-containing organic industrial wastewater to a certain extent, but for penicillin wastewater, the method of this application is not suitable due to the large fluctuation of water quality and quantity. In addition, the method of this application always discharges water through the membrane filter module, which will increase the cleaning frequency of the membrane module, shorten the service life of the membrane, and increase the operating cost. In addition, the moving bed biofilm reactor and the internal circulation membrane bioreactor in this application are two independent reaction devices, which also leads to a large area required for them, resulting in an increase in infrastructure costs.
发明内容Contents of the invention
1.发明要解决的技术问题1. The technical problem to be solved by the invention
本实用新型的目的在于克服采用现有装置对青霉素等抗生素废水进行处理时存在处理效能相对较低，难以保证出水水质的稳定性等缺点和不足，提供了一种能够高效处理青霉素废水的生物强化处理装置。本实用新型能够有效克服SBR、MBR及MBBR现有三种常用反应器存在的缺点，而集三者的优点于一体，采用本实用新型的技术方案可根据青霉素废水水量及水质来选择不同的处理模式(如：连续流或间歇流运行，通过膜出水或通过沉淀出水等)，与常规工艺相比可有效提高青霉素废水的处理效能，减少占地面积，保持出水水质稳定，延长曝气装置和膜组件使用寿命，节省维护和运行费用，尤其适用于水质水量变化大的抗生素废水的处理。The purpose of the utility model is to overcome the shortcomings and deficiencies such as relatively low treatment efficiency and difficulty in ensuring the stability of the effluent water quality when the existing device is used to treat antibiotic wastewater such as penicillin, and to provide a bioaugmentation system capable of efficiently treating penicillin wastewater. Processing device. The utility model can effectively overcome the shortcomings of the existing three commonly used reactors of SBR, MBR and MBBR, and integrate the advantages of the three. Using the technical solution of the utility model, different treatment modes can be selected according to the amount and quality of penicillin wastewater (such as: continuous flow or intermittent flow operation, water discharge through membrane or precipitation, etc.), compared with conventional processes, it can effectively improve the treatment efficiency of penicillin wastewater, reduce floor space, maintain stable water quality, and extend the length of aeration devices and membranes. The service life of components is long, saving maintenance and operation costs, especially suitable for the treatment of antibiotic wastewater with large changes in water quality and quantity.
2.技术方案2. Technical solution
为达到上述目的，本实用新型提供的技术方案为：In order to achieve the above object, the technical solution provided by the utility model is:
本实用新型的一种青霉素废水生物强化处理装置，该装置包括水解酸化区、装有悬浮填料的移动床生物膜区、装有悬浮填料及膜组件的深度处理区，待处理青霉素废水经水解酸化区预处理后依次通过移动床生物膜区和深度处理区进行处理。A biointensive treatment device for penicillin wastewater according to the utility model, the device includes a hydrolytic acidification area, a moving bed biofilm area equipped with suspended fillers, an advanced treatment area equipped with suspended fillers and membrane components, and the penicillin wastewater to be treated is hydrolyzed and acidified After pretreatment in the zone, it is processed through the moving bed biofilm zone and the advanced treatment zone in sequence.
更进一步的，所述水解酸化区的底部设有搅拌装置，其顶部设有三相分离器，该水解酸化区通过出水管与移动床生物膜区底部的进水口相连，且所述出水管上设有第一泵。Furthermore, the bottom of the hydrolytic acidification zone is provided with a stirring device, and the top is provided with a three-phase separator. The hydrolytic acidification zone is connected to the water inlet at the bottom of the moving bed biofilm zone through an outlet pipe, and the outlet pipe is provided with There is the first pump.
更进一步的，所述深度处理区内部的膜组件与第一排水管相连，第一排水管上设有第二泵，上述深度处理区的底侧还与第二排水管相连。Furthermore, the membrane module inside the advanced treatment area is connected to the first drainage pipe, the first drainage pipe is provided with a second pump, and the bottom side of the advanced treatment area is also connected to the second drainage pipe.
更进一步的，所述第二泵的输出端还通过回流管路与水解酸化区的出水管相连，上述回流管路上设有回流泵。Furthermore, the output end of the second pump is also connected to the outlet pipe of the hydrolysis acidification zone through a return line, and a return pump is provided on the return line.
更进一步的，所述移动床生物膜区与深度处理区之间设有供悬浮填料移动穿过的通道，且移动床生物膜区与深度处理区的顶部均设有悬浮填料收集装置，通过悬浮填料收集装置将深度处理区内上浮的填料收集至移动床生物膜区。Further, there is a channel for the suspended filler to move through between the moving bed biofilm area and the advanced treatment area, and the top of the moving bed biofilm area and the advanced treatment area are equipped with a suspended filler collection device, through which the suspended The packing collection device collects the floating packing in the advanced treatment area to the moving bed biofilm area.
更进一步的，所述移动床生物膜区及深度处理区的底部均设有曝气装置，曝气装置通过进气管与鼓风装置相连，上述进气管上均设有曝气装置开关；上述移动床生物膜区与深度处理区内部的悬浮填料均采用聚丙烯填料或聚乙烯填料，且填料的填充比为移动床生物膜区有效容积的40～70％。Furthermore, an aeration device is provided at the bottom of the moving bed biofilm area and the advanced treatment area, and the aeration device is connected with the air blowing device through an air inlet pipe, and an aeration device switch is provided on the above air inlet pipe; The suspended fillers inside the bed biofilm area and the advanced treatment area are both polypropylene fillers or polyethylene fillers, and the filling ratio of the fillers is 40-70% of the effective volume of the moving bed biofilm area.
更进一步的，所述的生物处理强化装置还设有碳源投加装置、酸碱投加装置、营养投加装置和药剂投加装置，通过酸碱投加装置向各反应区投加酸液或碱液以调节处理水的pH值，通过碳源投加装置、营养投加装置和药剂投加装置分别向水解酸化区及深度处理区内投加碳源、营养元素及青霉素废水强化菌剂。Furthermore, the biological treatment strengthening device is also equipped with a carbon source dosing device, an acid-base dosing device, a nutrient dosing device and a medicament dosing device, and the acid-base dosing device is used to add acid solution to each reaction zone or lye to adjust the pH value of the treated water, and add carbon source, nutrient elements and penicillin wastewater strengthening bacteria agent to the hydrolysis acidification area and advanced treatment area respectively through the carbon source dosing device, nutrient dosing device and chemical dosing device .
3.有益效果3. Beneficial effect
采用本实用新型提供的技术方案，与现有技术相比，具有如下有益效果：Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:
(1)本实用新型的一种青霉素废水生物强化处理装置，该装置包括水解酸化区、装有悬浮填料的移动床生物膜区及装有悬浮填料和膜组件的深度处理区，通过水解酸化区、移动床生物膜区及深度处理区依次对待处理青霉素废水进行处理，采用本实用新型的装置能够有效解决现有SBR、MBR及MBBR存在的不足，并同时集三种反应器的优点于一体，通过对深度处理区的结构进行优化设计并通过水解酸化区、移动床生物膜区及深度处理区的共同配合，从而可以根据待处理青霉素废水水质及水量灵活选择主体运行工艺及操作参数，能有效提高青霉素废水的处理效能，减少占地面积，保持出水水质稳定，延长曝气装置和膜组件使用寿命，节省维护和运行费用。(1) A biointensified treatment device for penicillin wastewater of the present invention, the device includes a hydrolytic acidification zone, a moving bed biofilm zone with suspended fillers and an advanced treatment zone with suspended fillers and membrane modules, through the hydrolytic acidification zone , the moving bed biofilm area and the advanced treatment area successively treat the penicillin wastewater to be treated. The device of the utility model can effectively solve the existing deficiencies of the existing SBR, MBR and MBBR, and integrate the advantages of the three reactors at the same time. Through the optimized design of the structure of the advanced treatment area and the joint cooperation of the hydrolytic acidification area, the moving bed biofilm area and the advanced treatment area, the main operating process and operating parameters can be flexibly selected according to the water quality and quantity of penicillin wastewater to be treated, which can effectively Improve the treatment efficiency of penicillin wastewater, reduce the floor space, keep the effluent water quality stable, prolong the service life of the aeration device and membrane modules, and save maintenance and operation costs.
(2)本实用新型的一种青霉素废水生物强化处理装置，所述移动床生物膜区与深度处理区之间设有供悬浮填料移动穿过的通道，且移动床生物膜区与深度处理区的顶部均设有悬浮填料收集装置，悬浮填料的材料密度应略小于废水密度，当废水污染物负荷较低时，在深度处理区静置时，通过悬浮填料收集装置能够将深度处理区内上浮的填料收集至移动床生物膜区，从而可以有效保证移动床生物膜区的悬浮填料生物量。(2) A biointensive treatment device for penicillin wastewater of the present invention, a passage for suspended fillers to move through is provided between the moving bed biofilm area and the advanced treatment area, and the moving bed biofilm area and the advanced treatment area The top of the tank is equipped with a suspended filler collection device. The material density of the suspended filler should be slightly smaller than the density of the wastewater. The filler is collected into the moving bed biofilm area, so that the suspended filler biomass in the moving bed biofilm area can be effectively guaranteed.
(3)本实用新型的一种青霉素废水生物强化处理装置，通过碳源投加装置、酸碱投加装置、营养投加装置、药剂投加装置分别向深度处理区内投加碳源、pH调节液、营养液及生物强化菌剂，从而可以有效保证系统出水的稳定性及对废水的处理效果。(3) A biointensified treatment device for penicillin wastewater of the present utility model, through carbon source dosing device, acid-base dosing device, nutrient dosing device, medicament dosing device, dosing carbon source, pH in advanced treatment area respectively Conditioning solution, nutrient solution and bio-augmented bacterial agent can effectively ensure the stability of the system effluent and the treatment effect on wastewater.
(4)本实用新型的一种青霉素废水生物强化处理装置，对青霉素废水可进行有效处理，其中，通过水解酸化区对待处理青霉素废水进行预处理，以提高青霉素废水可生化性并降解一部分污染物，深度处理区为本实用新型的青霉素废水生物处理核心区域。当深度处理区废水污染物负荷较低，且出水对悬浮固体无特殊要求时，可采用序批式进行废水处理，泥水混合物经自然沉降后，通过重力自流的方式出水，从而可以减少运行费用。当深度处理区废水污染物负荷较高或出水悬浮固体要求较高时，深度处理区可采用连续式来进行废水处理，从而稀释进水污染物浓度，降低悬浮填料膜生物池的瞬时冲击，减少废水生物毒性，提高废水处理效果，保证出水水质。青霉素废水水量较小或污染物浓度较低时，即废水污染物负荷较低时，在保证出水悬浮固体达标的情况下，可选择性使用膜组件出水，从而降低运行成本。(4) A biointensified treatment device for penicillin wastewater of the present invention can effectively treat penicillin wastewater, wherein the penicillin wastewater to be treated is pretreated through the hydrolysis and acidification zone to improve the biodegradability of penicillin wastewater and degrade a part of pollutants , the advanced treatment area is the core area of penicillin wastewater biological treatment of the utility model. When the wastewater pollutant load in the advanced treatment area is low, and the effluent has no special requirements for suspended solids, the wastewater treatment can be carried out in batches. After the mud-water mixture is naturally settled, the water is discharged by gravity flow, which can reduce operating costs. When the wastewater pollutant load in the advanced treatment area is high or the suspended solids in the effluent are high, the advanced treatment area can use continuous wastewater treatment to dilute the concentration of influent pollutants, reduce the instantaneous impact of the suspended filler membrane bio-pool, and reduce Wastewater biotoxicity, improve the effect of wastewater treatment, and ensure the quality of effluent water. When the amount of penicillin wastewater is small or the concentration of pollutants is low, that is, when the pollutant load of the wastewater is low, and the suspended solids in the effluent are guaranteed to meet the standard, the effluent of the membrane module can be selectively used to reduce the operating cost.
附图说明Description of drawings
图1为本实用新型的一种青霉素废水生物强化处理装置的结构示意图。Fig. 1 is a structural schematic diagram of a penicillin wastewater biointensification treatment device of the present invention.
图标标号说明如下：Icon labels are explained as follows:
1、水解酸化区；101、进水管；102、出水管；103、第一泵；2、移动床生物膜区；3、深度处理区；301、排污管；302、第一阀门；303、第一排水管；304、第二泵；305、第二排水管；306、第二阀门；307、回流泵；4、搅拌装置；5、三相分离器；6、曝气装置；601、进气管；602、曝气装置开关；7、鼓风装置；8、悬浮填料；9、悬浮填料收集装置；10、膜组件；11、碳源投加装置；12、酸碱投加装置；13、营养投加装置；14、药剂投加装置。1. Hydrolysis and acidification area; 101, water inlet pipe; 102, water outlet pipe; 103, first pump; 2, moving bed biofilm area; 3, advanced treatment area; 301, sewage pipe; 302, first valve; 303, second 1 drain pipe; 304, second pump; 305, second drain pipe; 306, second valve; 307, return pump; 4, stirring device; 5, three-phase separator; 6, aeration device; 601, intake pipe 602. Aeration device switch; 7. Blowing device; 8. Suspended filler; 9. Suspended filler collection device; 10. Membrane module; 11. Carbon source dosing device; 12. Acid-base dosing device; 13. Nutrition Dosing device; 14. Drug dosing device.
具体实施方式detailed description
为进一步了解本实用新型的内容，结合附图对本实用新型作详细描述。In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.
实施例1Example 1
如图1所示，本实施例的一种青霉素废水生物强化处理装置，该装置包括水解酸化区1、装有悬浮填料8的移动床生物膜区2、装有悬浮填料8及膜组件10的深度处理区3，待处理青霉素废水依次通过水解酸化区1、移动床生物膜区2和深度处理区3进行处理。其中，水解酸化区1用于对青霉素废水进行预处理，以提高青霉素废水可生化性并降解一部分污染物，深度处理区3为主要的青霉素废水生物处理区域。所述水解酸化区1的底部设有搅拌装置4，其顶部设有三相分离器5，该水解酸化区1通过出水管102与移动床生物膜区2底部的进水口相连，且所述出水管102上设有第一泵103。待处理青霉素废水通过进水管101进入水解酸化区1，并通过搅拌装置4搅拌均匀，然后通过三相分离器5将泥水混合物中固、液、气三相分离，保证污泥截留，气体溢出，减少出水SS。经水解酸化区1处理后的出水通过出水管102进入移动床生物膜区2进行处理。As shown in Figure 1, a kind of penicillin waste water biointensification treatment device of the present embodiment, this device comprises hydrolytic acidification area 1, the moving bed biofilm area 2 that suspended packing 8 is housed, the moving bed biofilm area 2 that suspended packing 8 and membrane module 10 are housed In the advanced treatment area 3, the penicillin wastewater to be treated is processed through the hydrolytic acidification area 1, the moving bed biofilm area 2 and the advanced treatment area 3 in sequence. Among them, the hydrolytic acidification zone 1 is used for pretreatment of penicillin wastewater to improve the biodegradability of penicillin wastewater and degrade some pollutants, and the advanced treatment zone 3 is the main biological treatment area of penicillin wastewater. The bottom of the hydrolytic acidification zone 1 is provided with a stirring device 4, and its top is provided with a three-phase separator 5. The hydrolysis acidification zone 1 is connected to the water inlet at the bottom of the moving bed biofilm zone 2 through an outlet pipe 102, and the outlet pipe 102 is provided with a first pump 103 . The penicillin wastewater to be treated enters the hydrolysis and acidification zone 1 through the water inlet pipe 101, and is stirred evenly by the stirring device 4, and then the three-phase separation of solid, liquid and gas in the mud-water mixture is carried out through the three-phase separator 5 to ensure that the sludge is retained and the gas overflows. Reduce water SS. The effluent treated in the hydrolytic acidification zone 1 enters the moving bed biofilm zone 2 through the outlet pipe 102 for treatment.
本实施例中移动床生物膜区2及深度处理区3内部的悬浮填料8均选用聚丙烯填料，且填料的填充比为移动床生物膜区2有效容积的40％，从而能够保证移动床生物膜区2与深度处理区3的处理效果。上述移动床生物膜区2及深度处理区3的底部均设有曝气装置6，曝气装置6通过进气管601与鼓风装置7相连，上述进气管601上均设有曝气装置开关602。通过曝气装置6向移动床生物膜区2及深度处理区3内通入氧气，进行曝气处理，其中曝气装置开关602的设置能够用于有效调节移动床生物膜区2与深度处理区3内部的溶解氧。In this embodiment, the suspended packing 8 inside the moving bed biofilm area 2 and the advanced treatment area 3 is all selected polypropylene filler, and the filling ratio of the filler is 40% of the effective volume of the moving bed biofilm area 2, thereby ensuring that the moving bed biofilm Effects of zone 2 and deep processing zone 3. The bottoms of the above-mentioned moving bed biofilm area 2 and the advanced treatment area 3 are provided with an aeration device 6, and the aeration device 6 is connected with the blast device 7 through an air inlet pipe 601, and the above-mentioned air inlet pipe 601 is provided with an aeration device switch 602 . Oxygen is passed into the moving bed biofilm area 2 and the advanced treatment area 3 through the aeration device 6 for aeration treatment, wherein the setting of the aeration device switch 602 can be used to effectively adjust the moving bed biofilm area 2 and the advanced treatment area 3 Dissolved oxygen inside.
本实施例的深度处理区3内部的膜组件10与第一排水管303相连，第一排水管303上设有第二泵304，第二泵304的输出端还通过回流管路与水解酸化区1的出水管102相连，上述回流管路上设有回流泵307；所述深度处理区3的底侧还与第二排水管305相连，第二排水管305上设有第二阀门306。本实施例通过对深度处理区3的结构进行优化设计，能够有效解决现有SBR、MBR及MBBR存在的不足，同时集三种反应器的优点于一体，并通过对整体强化装置结构的优化设计以及水解酸化区1、移动床生物膜区2和深度处理区3的共同配合，从而可以根据待处理青霉素废水水质及水量灵活选择主体运行工艺及操作参数，能有效提高青霉素废水的处理效能，减少占地面积，保持出水水质稳定，延长曝气装置和膜组件使用寿命，节省维护和运行费用，并保证系统的稳定运行。The membrane module 10 inside the deep treatment area 3 of the present embodiment is connected with the first drain pipe 303, the second pump 304 is arranged on the first drain pipe 303, and the output end of the second pump 304 is also connected with the hydrolysis acidification area through the return pipeline. 1 is connected to the outlet pipe 102, and a return pump 307 is provided on the above-mentioned return pipe; the bottom side of the advanced treatment area 3 is also connected to the second drain pipe 305, and the second drain pipe 305 is provided with a second valve 306. In this embodiment, by optimizing the design of the structure of the advanced treatment area 3, the shortcomings of the existing SBR, MBR and MBBR can be effectively solved, and at the same time, the advantages of the three reactors are integrated, and the structure of the overall strengthening device is optimized. And the joint cooperation of hydrolytic acidification zone 1, moving bed biofilm zone 2 and advanced treatment zone 3, so that the main operating process and operating parameters can be flexibly selected according to the water quality and quantity of penicillin wastewater to be treated, which can effectively improve the treatment efficiency of penicillin wastewater and reduce Covering an area of land, keeping the effluent water quality stable, prolonging the service life of the aeration device and membrane components, saving maintenance and operation costs, and ensuring the stable operation of the system.
采用本实施例的青霉素废水生物处理强化装置对青霉素废水进行生物处理的方法，其具体步骤为：The method for carrying out biological treatment of penicillin wastewater by using the penicillin wastewater biological treatment strengthening device of the present embodiment, its specific steps are:
步骤一、将待处理青霉素废水先通入水解酸化区1进行预处理，以提高青霉素废水的可生化性并降解一部分污染物；Step 1, passing the penicillin wastewater to be treated into the hydrolytic acidification zone 1 for pretreatment, so as to improve the biodegradability of the penicillin wastewater and degrade a part of pollutants;
步骤二、将经水解酸化区1处理后的出水通入移动床生物膜区2处理6～12h；Step 2, passing the effluent treated in the hydrolytic acidification zone 1 into the moving bed biofilm zone 2 for 6-12 hours;
步骤三、青霉素废水经移动床生物膜区2处理后进入深度处理区3，深度处理区3为本实施例的青霉素废水生物处理核心区域，由于待处理青霉素废水的水质波动较大，本实施例能够根据待处理青霉素废水的水质及水量采用不同方法对废水进行深度处理，具体如下：Step 3: The penicillin wastewater enters the advanced treatment area 3 after being treated in the moving bed biofilm area 2. The advanced treatment area 3 is the core area of the penicillin wastewater biological treatment in this embodiment. Since the water quality of the penicillin wastewater to be treated fluctuates greatly, this embodiment According to the water quality and quantity of penicillin wastewater to be treated, different methods can be used for advanced treatment of wastewater, as follows:
a)待处理青霉素废水为低浓度废水a) Penicillin wastewater to be treated is low-concentration wastewater
当深度处理区中青霉素废水水量小于设计水量的60％时，且出水固体悬浮物无特殊要求时，可采用间歇的方式曝气，使青霉素废水进入深度处理区3后直接进行均质、反应、静置处理，其中均质及反应(曝气)时间为12～48h，停止曝气静置后1～4h，若出水水质满足要求，则泥水混合物经自然沉降后直接通过重力自流的方式出水，即通过第二排水管305直接排出，从而可以减少运行费用；若出水水质不满足要求，则通过膜组件10进一步处理后通过第一排水管303排出。When the water volume of penicillin wastewater in the advanced treatment area is less than 60% of the design water volume, and there is no special requirement for suspended solids in the effluent, intermittent aeration can be used, so that the penicillin wastewater enters the advanced treatment area 3 and can be directly homogenized, reacted, Static treatment, in which the homogenization and reaction (aeration) time is 12 to 48 hours. After stopping the aeration and standing for 1 to 4 hours, if the quality of the effluent water meets the requirements, the muddy water mixture will directly flow out by gravity after natural settlement. That is, it is directly discharged through the second drain pipe 305 , so that the operating cost can be reduced; if the quality of the effluent water does not meet the requirements, it will be further treated by the membrane module 10 and then discharged through the first drain pipe 303 .
当深度处理区中青霉素废水水量≥设计水量的60％时或出水固体悬浮物要求较高时，深度处理区则采用连续的方式曝气，青霉素废水进入深度处理区3后通过膜组件10过滤截留活性污泥进行泥水分离，然后通过第一排水管303使深度处理区3连续出水。When the water volume of penicillin wastewater in the advanced treatment area is ≥ 60% of the design water volume or when the requirements for suspended solids in the effluent are high, the advanced treatment area is aerated in a continuous manner, and the penicillin wastewater enters the advanced treatment area 3 and is filtered and intercepted by the membrane module 10 Activated sludge is separated from sludge and water, and then the advanced treatment zone 3 is continuously discharged through the first drainage pipe 303 .
b)待处理青霉素废水为高浓度废水b) Penicillin wastewater to be treated is high-concentration wastewater
当待处理青霉素废水中COD浓度大于5000mg/L或氨氮浓度大于200mg/L时，青霉素废水进入深度处理区3并通过膜组件10进行处理后，通过回流泵307使第一排水管303的出水与水解酸化区2出水混合以稀释污染物浓度，之后依据a)中低浓度废水的处理方法进行处理。When the COD concentration in the penicillin wastewater to be treated is greater than 5000mg/L or the ammonia nitrogen concentration is greater than 200mg/L, the penicillin wastewater enters the advanced treatment zone 3 and is treated by the membrane module 10, and the effluent of the first drainage pipe 303 is connected to the The effluent from hydrolysis and acidification zone 2 is mixed to dilute the concentration of pollutants, and then treated according to the treatment method of low-concentration wastewater in a).
采用本实施例的装置及方法对COD浓度波动范围在1000～4000mg/L之间的青霉素废水进行处理，结果表明，出水COD浓度低于300mg/L，NH4 +-N浓度低于30mg，废水处理效果良好，出水水质比较稳定。 The penicillin wastewater with a COD concentration fluctuation range of 1000-4000 mg/L was treated by using the device and method of this embodiment . The treatment effect is good, and the effluent water quality is relatively stable.
实施例2Example 2
如图1所示，本实施例的一种青霉素废水生物强化处理装置，该装置包括水解酸化区1、装有悬浮填料8的移动床生物膜区2、装有悬浮填料8及膜组件10的深度处理区3，待处理青霉素废水依次通过水解酸化区1、移动床生物膜区2和深度处理区3进行处理。所述水解酸化区1的底部设有搅拌装置4，其顶部设有三相分离器5，该水解酸化区1通过出水管102与移动床生物膜区2底部的进水口相连，且所述出水管102上设有第一泵103。本实施例中移动床生物膜区2及深度处理区3内部的悬浮填料8均选用聚乙烯填料，且填料的填充比为移动床生物膜区2有效容积的70％，从而能够保证移动床生物膜区2与深度处理区3的处理效果。上述移动床生物膜区2及深度处理区3的底部均设有曝气装置6，曝气装置6通过进气管601与鼓风装置7相连，上述进气管601上均设有曝气装置开关602。As shown in Figure 1, a kind of penicillin waste water biointensification treatment device of the present embodiment, this device comprises hydrolytic acidification area 1, the moving bed biofilm area 2 that suspended packing 8 is housed, the moving bed biofilm area 2 that suspended packing 8 and membrane module 10 are housed In the advanced treatment area 3, the penicillin wastewater to be treated is processed through the hydrolytic acidification area 1, the moving bed biofilm area 2 and the advanced treatment area 3 in sequence. The bottom of the hydrolytic acidification zone 1 is provided with a stirring device 4, and its top is provided with a three-phase separator 5. The hydrolysis acidification zone 1 is connected to the water inlet at the bottom of the moving bed biofilm zone 2 through an outlet pipe 102, and the outlet pipe 102 is provided with a first pump 103 . In this embodiment, the suspended packing 8 in the moving bed biofilm area 2 and the advanced treatment area 3 is all selected from polyethylene packing, and the filling ratio of the filler is 70% of the effective volume of the moving bed biofilm area 2, thereby ensuring that the moving bed biofilm Effects of zone 2 and deep processing zone 3. The bottoms of the above-mentioned moving bed biofilm area 2 and the advanced treatment area 3 are provided with an aeration device 6, and the aeration device 6 is connected with the blast device 7 through an air inlet pipe 601, and the above-mentioned air inlet pipe 601 is provided with an aeration device switch 602 .
本实施例的深度处理区3内部的膜组件10与第一排水管303相连，第一排水管303上设有第二泵304，第二泵304的输出端还通过回流管路与水解酸化区1的出水管102相连，上述回流管路上设有回流泵307；所述深度处理区3的底侧还与第二排水管305相连，第二排水管305上设有第二阀门306。本实施例中移动床生物膜区2与深度处理区3之间设有供悬浮填料8移动穿过的通道，且移动床生物膜区2与深度处理区3的顶部均设有悬浮填料收集装置9，悬浮填料8的材料密度应略小于废水密度，当废水污染物负荷较低时，在深度处理区3静置时，通过悬浮填料收集装置9将深度处理区3内上浮的填料收集至移动床生物膜区2，从而可以有效保证移动床生物膜区2的悬浮填料8生物量。上述悬浮填料收集装置9可沿反应器上部滑动，该装置主要由一块可在反应器上部滑动的PVC板及辅助其滑动的部件组成，当PVC板滑动时，填料可被从一边推到另一边，从而通过悬浮填料收集装置9能够将上浮的悬浮填料8收集至移动床生物膜区2中，保证悬浮填料8的生物量。本实施例的深度处理区3底部还设有排泥口，该排泥口与排泥管301相连，排泥管301上设有第一阀门302，通过排泥口可排出部分污泥，以保持深度处理区3中污泥的活性。The membrane module 10 inside the deep treatment area 3 of the present embodiment is connected with the first drain pipe 303, the second pump 304 is arranged on the first drain pipe 303, and the output end of the second pump 304 is also connected with the hydrolysis acidification area through the return pipeline. 1 is connected to the outlet pipe 102, and a return pump 307 is provided on the above-mentioned return pipe; the bottom side of the advanced treatment area 3 is also connected to the second drain pipe 305, and the second drain pipe 305 is provided with a second valve 306. In this embodiment, there is a passage for the suspended filler 8 to move through between the moving bed biofilm area 2 and the advanced treatment area 3, and the tops of the moving bed biofilm area 2 and the advanced treatment area 3 are equipped with a suspended filler collection device 9 , the material density of the suspended filler 8 should be slightly smaller than the density of the wastewater. When the wastewater pollutant load is low, when the advanced treatment zone 3 is left standing, the floating filler in the advanced treatment zone 3 is collected to the moving bed by the suspended filler collection device 9 The biofilm zone 2 can effectively ensure the biomass of the suspended filler 8 in the moving bed biofilm zone 2. The above-mentioned suspended filler collection device 9 can slide along the upper part of the reactor, and the device is mainly composed of a PVC plate that can slide on the upper part of the reactor and its sliding parts. When the PVC plate slides, the filler can be pushed from one side to the other. , so that the floating filler 8 can be collected into the moving bed biofilm zone 2 through the suspended filler collecting device 9 to ensure the biomass of the suspended filler 8 . The bottom of the advanced treatment area 3 of the present embodiment is also provided with a mud discharge port, which is connected to the mud discharge pipe 301, and the mud discharge pipe 301 is provided with a first valve 302, through which part of the sludge can be discharged through the mud discharge port, so that Maintain the activity of the sludge in the advanced treatment zone 3.
本实施例的生物处理强化装置还设有碳源投加装置11、酸碱投加装置12、营养投加装置13和药剂投加装置14，通过酸碱投加装置12向各反应区投加酸液或碱液以调节处理水的pH值，通过碳源投加装置11、营养投加装置13向移动床生物膜区2投加碳源及营养元素，以保证悬浮填料8的生物量，通过药剂投加装置向移动床生物膜区2和深度处理区3内投加青霉素废水强化菌剂以保持悬浮填料的处理效能，强化出水水质。The biological treatment strengthening device of the present embodiment is also provided with a carbon source dosing device 11, an acid-base dosing device 12, a nutrient dosing device 13 and a medicament dosing device 14, and the acid-base dosing device 12 is used to add acid or lye to adjust the pH value of the treated water, add carbon source and nutrient elements to the moving bed biofilm area 2 through the carbon source dosing device 11 and nutrient dosing device 13 to ensure the biomass of the suspended filler 8, Add penicillin wastewater strengthening bacteria agent to the moving bed biofilm zone 2 and advanced treatment zone 3 through the chemical dosing device to maintain the treatment efficiency of the suspended filler and strengthen the effluent water quality.
采用本实施例的青霉素废水生物处理强化装置对青霉素废水进行生物处理的方法，其具体步骤为：The method for carrying out biological treatment of penicillin wastewater by using the penicillin wastewater biological treatment strengthening device of the present embodiment, its specific steps are:
步骤一、将待处理青霉素废水先通入水解酸化区1进行预处理，以提高青霉素废水的可生化性并降解一部分污染物；Step 1, passing the penicillin wastewater to be treated into the hydrolytic acidification zone 1 for pretreatment, so as to improve the biodegradability of the penicillin wastewater and degrade a part of pollutants;
步骤二、将经水解酸化区1处理后的出水通入移动床生物膜区2处理6～12h；Step 2, passing the effluent treated in the hydrolytic acidification zone 1 into the moving bed biofilm zone 2 for 6-12 hours;
步骤三、青霉素废水经移动床生物膜区2处理后进入深度处理区3，深度处理区3为本实施例的青霉素废水生物处理核心区域，青霉素废水水质及水量波动较大，根据待处理青霉素废水的水质及水量选择不同处理工艺对废水进行深度处理，具体如下：Step 3: Penicillin wastewater enters the advanced treatment area 3 after being treated in the moving bed biofilm area 2. The advanced treatment area 3 is the core area of the biological treatment of penicillin wastewater in this embodiment. The water quality and volume of penicillin wastewater fluctuate greatly. According to the water quality and water quantity, different treatment processes are selected for advanced treatment of wastewater, as follows:
a)待处理青霉素废水为低浓度废水a) Penicillin wastewater to be treated is low-concentration wastewater
当待处理青霉素废水的水量＜设计水量的60％时，使青霉素废水进入深度处理区3后直接进行均质、反应、静置处理，静置处理过程中，通过悬浮填料收集装置9将上浮的悬浮填料8收集至移动床生物膜区3，以保证移动床生物膜区3的悬浮填料8生物量，同时通过深度处理区3底部的排泥口排出部分污泥，以保持深度处理区3中污泥的活性。若处理后的出水水质满足要求，则通过重力自流的方式出水，即通过第二排水管305直接排出，从而可以减少运行费用；若出水水质不满足要求，则通过膜组件10进一步处理后通过第一排水管303排出。When the amount of penicillin wastewater to be treated is less than 60% of the designed amount of water, the penicillin wastewater enters the advanced treatment zone 3 and is directly subjected to homogenization, reaction, and static treatment. The suspended filler 8 is collected into the moving bed biofilm area 3 to ensure the biomass of the suspended filler 8 in the moving bed biofilm area 3, and at the same time, part of the sludge is discharged through the sludge discharge port at the bottom of the advanced treatment area 3 to keep the sludge in the advanced treatment area 3. sludge activity. If the quality of the treated effluent water meets the requirements, the water will be discharged by gravity flow, that is, directly discharged through the second drainage pipe 305, thereby reducing operating costs; A drain pipe 303 discharges.
当待处理青霉素废水的水量≥设计水量的60％时，青霉素废水进入深度处理区3后通过膜组件10过滤截留活性污泥，然后通过第一排水管303使深度处理区3连续出水，以满足废水水量要求。When the amount of penicillin wastewater to be treated ≥ 60% of the designed water amount, the penicillin wastewater enters the advanced treatment zone 3 and passes through the membrane module 10 to filter and intercept the activated sludge, and then the advanced treatment zone 3 is continuously discharged through the first drain pipe 303 to meet the Wastewater volume requirements.
b)待处理青霉素废水为高浓度废水b) Penicillin wastewater to be treated is high-concentration wastewater
当待处理青霉素废水的浓度较高时，青霉素废水进入深度处理区3并通过膜组件10进行一次处理后，通过回流泵307使第一排水管303的出水与水解酸化区1出水混合(回流比为200％～400％)以稀释污染物浓度，之后依据a)中低浓度废水的处理方法进行处理。When the concentration of the penicillin wastewater to be treated is high, the penicillin wastewater enters the advanced treatment zone 3 and is treated once by the membrane module 10, and the effluent of the first drainage pipe 303 is mixed with the effluent of the hydrolytic acidification zone 1 by the reflux pump 307 (reflux ratio 200% to 400%) to dilute the concentration of pollutants, and then treat it according to the treatment method of a) low-concentration wastewater.
表1营养元素组成成分Table 1 Components of Nutrient Elements
在处理过程中可通过曝气装置6、曝气装置开关602和酸碱投加装置12调节各反应区的pH值和溶解氧，控制水解酸化区1的pH在5.5～6.5之间，溶解氧小于0.5mg/L，深度处理区3的pH在7.0～8.0之间，溶解氧在2.0～6.0mg/L之间。在悬浮填料8收集至移动床生物膜区2后，当悬浮填料8上生物量出现减少，且减少量大于40％后，通过碳源投加装置11、营养投加装置13向移动床生物膜区2投加浓度为0.2～0.5g/L的葡萄糖及0.5～2ml/L的营养元素(见表1)。此外，根据深度处理区3出水水质，当废水中COD及氨氮的总去除率低于85％时，通过药剂投加装置14向移动床生物膜区2和深度处理区3投加1～5ml/L的青霉素废水强化菌剂。During the treatment process, the pH value and dissolved oxygen of each reaction zone can be adjusted by the aeration device 6, the aeration device switch 602 and the acid-base dosing device 12, and the pH of the hydrolysis acidification zone 1 is controlled between 5.5 and 6.5, and the dissolved oxygen less than 0.5 mg/L, the pH of advanced treatment zone 3 is between 7.0 and 8.0, and the dissolved oxygen is between 2.0 and 6.0 mg/L. After the suspended packing 8 is collected into the moving bed biofilm area 2, when the biomass on the suspended packing 8 decreases, and the reduction is greater than 40%, the carbon source dosing device 11 and the nutrient dosing device 13 are added to the moving bed biofilm. Zone 2 is fed with glucose at a concentration of 0.2-0.5g/L and nutrients at a concentration of 0.5-2ml/L (see Table 1). In addition, according to the effluent water quality of the advanced treatment area 3, when the total removal rate of COD and ammonia nitrogen in the wastewater is lower than 85%, add 1 to 5 ml/ L's penicillin wastewater strengthens the bacterial agent.
表2青霉素废水水质指标，单位：(mg/L)Table 2 penicillin wastewater water quality index, unit: (mg/L)
采用本实施例的装置及方法对表2中的低浓度和高浓度两种青霉素废水进行处理，两种废水的水质情况具体见表2，其出水水质指标见表3。结果表明，使用本实施例的方法处理上述两种青霉素废水期间，废水处理效果良好，出水水质比较稳定。The device and method of this embodiment are used to treat the low-concentration and high-concentration penicillin wastewater in Table 2. The water quality of the two wastewaters is shown in Table 2, and the effluent water quality indicators are shown in Table 3. The results show that during the treatment of the above two kinds of penicillin wastewater by using the method of this example, the wastewater treatment effect is good, and the effluent quality is relatively stable.
表3青霉素废水出水水质指标，单位：(mg/L)Table 3 Penicillin wastewater effluent water quality indicators, unit: (mg/L)
实施例3Example 3
如图1所示，本实施例的一种青霉素废水生物强化处理装置，其基本结构同实施例1，所不同的是本实施例总移动床生物膜区2与深度处理区3内部的悬浮填料8采用聚丙烯填料，且填料的填充比为移动床生物膜区2有效容积的60％。As shown in Figure 1, a kind of penicillin waste water biointensification treatment device of the present embodiment, its basic structure is the same as that of embodiment 1, the difference is the suspended filler inside the total moving bed biofilm area 2 and advanced treatment area 3 of this embodiment 8 adopts polypropylene filler, and the filling ratio of the filler is 60% of the effective volume of the moving bed biofilm zone 2.
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