CN203866157U - Integrated baffle type anaerobic/anoxic/aerobic membrane filtration high-concentration organic wastewater treatment device - Google Patents
Integrated baffle type anaerobic/anoxic/aerobic membrane filtration high-concentration organic wastewater treatment device Download PDFInfo
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- 238000005374 membrane filtration Methods 0.000 title claims abstract description 23
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 12
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- 239000000945 filler Substances 0.000 claims abstract description 20
- 238000005273 aeration Methods 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims abstract description 13
- 238000004062 sedimentation Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 27
- 239000010802 sludge Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 239000000706 filtrate Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 10
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- 238000001914 filtration Methods 0.000 claims description 4
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- 230000000630 rising effect Effects 0.000 claims 4
- 238000013022 venting Methods 0.000 claims 2
- 150000001408 amides Chemical class 0.000 claims 1
- 230000000813 microbial effect Effects 0.000 claims 1
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- 238000000034 method Methods 0.000 abstract description 24
- 238000001471 micro-filtration Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 3
- 239000011574 phosphorus Substances 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 2
- 244000005700 microbiome Species 0.000 abstract description 2
- 239000001301 oxygen Substances 0.000 abstract description 2
- 229910052760 oxygen Inorganic materials 0.000 abstract description 2
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- 238000006731 degradation reaction Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 17
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- 239000004952 Polyamide Substances 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
本实用新型涉及一种一体化折流板式厌氧/缺氧/好氧/膜过滤高浓度有机废水处理装置,其主要由污水池、单向流式ABR反应器、带搅拌器的上流式缺氧池、上流式好氧池、沉淀池以及上流式微滤膜过滤池等设备组成。19、21两个反应池中填料为弹性填料,21池底中间布置了环形微孔曝气装置,可使水流呈流化状态,让微生物、水流、空气三者充分接触,实现硝化、聚磷和对有机污染物的充分降解。本装置将ABR(厌氧折流板)工艺、生物膜法、A2/O(厌氧/缺氧/好氧)工艺、MF(微滤膜过滤)工艺等工艺优点相结合,具有出水水质稳定、操作管理简单、占地面积少、运行成本低等优点。
The utility model relates to an integrated baffle type anaerobic/anoxic/aerobic/membrane filtration high-concentration organic wastewater treatment device, which mainly consists of a sewage pool, a one-way flow ABR reactor, and an upflow type with agitator. Oxygen tank, upflow aerobic tank, sedimentation tank and upflow microfiltration membrane filtration tank and other equipment. The fillers in the two reaction tanks 19 and 21 are elastic fillers, and a ring-shaped microporous aeration device is arranged in the middle of the bottom of the tank 21, which can make the water flow in a fluidized state, allowing the microorganisms, water flow, and air to fully contact to realize nitrification and phosphorus accumulation and full degradation of organic pollutants. This device combines the advantages of ABR (anaerobic baffle) process, biofilm method, A 2 /O (anaerobic/anoxic/aerobic) process, MF (microfiltration membrane filtration) process, etc. It has the advantages of stability, simple operation and management, small footprint, and low operating cost.
Description
技术领域 technical field
本实用新型涉及一种高浓度有机废水处理装置,具体涉及ABR工艺、生物膜法、A2/O工艺、MF(微滤膜过滤)工艺等工艺相结合一体化处理装置,属于工业废水处理设备。 The utility model relates to a high-concentration organic waste water treatment device, in particular to an integrated treatment device combining ABR process, biofilm method, A2 /O process, MF (microfiltration membrane filtration) process, etc., belonging to industrial waste water treatment equipment .
背景技术 Background technique
高浓度有机废水对环境水体的污染程度大,而且处理难度较高,是国内外环保研究领域中的难题之一。目前,高浓度有机废水的处理方法主要有物化处理法和生物处理法。物化处理法是应用物理化学作用及其原理将废水中的污染物成分转化为无害物质,使废水得到净化的方法,如化学氧化法和膜分离法等;生物处理法是利用微生物降解水中的污染物质作为自身的营养和能源,同时使废水得到净化的方法。生物法处理高浓度有机废水的主要方法有厌氧生物处理、好氧生物处理。 High-concentration organic wastewater has a large degree of pollution to the environmental water body, and the treatment is difficult, which is one of the difficult problems in the field of environmental protection research at home and abroad. At present, the treatment methods of high-concentration organic wastewater mainly include physical and chemical treatment and biological treatment. Physicochemical treatment is a method of converting pollutants in wastewater into harmless substances by applying physical and chemical effects and principles, such as chemical oxidation and membrane separation; biological treatment is the use of microorganisms to degrade pollutants in water. Pollutants are used as their own nutrients and energy sources, while the wastewater is purified. The main methods of biological treatment of high-concentration organic wastewater include anaerobic biological treatment and aerobic biological treatment.
然而,对于高浓度有机废水处理来说采用单一的某一种污水处理方法已经不能满足要求,开发高效组合处理技术显得尤为重要。将厌氧生物处理、好氧生物处理、物化处理等方法进行组合,可有效提高污废水的可生化性、抗冲击负荷能力和出水水质的稳定性。本实用新型将ABR工艺、A2/O工艺、生物膜法、膜过滤等工艺相结合,提供一种能够处理高浓度有机废水的新型一体化处理装置,有效解决了高浓度有机废水处理效果差、耐冲击能力低、出水水质不稳定的问题。 However, for the treatment of high-concentration organic wastewater, a single sewage treatment method can no longer meet the requirements, and it is particularly important to develop efficient combined treatment technologies. Combining anaerobic biological treatment, aerobic biological treatment, physical and chemical treatment and other methods can effectively improve the biodegradability of sewage and wastewater, the ability to resist impact load and the stability of effluent water quality. The utility model combines ABR process, A 2 /O process, biofilm method, membrane filtration and other processes to provide a new integrated treatment device capable of treating high-concentration organic wastewater, which effectively solves the problem of poor treatment effect of high-concentration organic wastewater , Low impact resistance and unstable effluent quality.
发明内容 Contents of the invention
本实用新型的目的是针对高浓度有机废水处理效果差、出水水质不稳定等问题,提供了一种ABR、生物膜法、A2/O、MF(微滤膜过滤)等组合的一体化装置,该装置可有效提高处理效果和出水水质。 The purpose of this utility model is to provide an integrated device combining ABR, biofilm method, A 2 /O, MF (microfiltration membrane filtration) and so on to solve the problems of poor treatment effect of high-concentration organic wastewater and unstable effluent quality. , the device can effectively improve the treatment effect and effluent water quality.
为实现上述目的,本实用新型的技术方案如下: In order to achieve the above object, the technical scheme of the utility model is as follows:
一体化折流板式厌氧/缺氧/好氧/膜过滤高浓度有机废水处理装置包括:污水池、进水系统、单向流式ABR反应器、上流式缺氧池、上流式好氧池、沉淀池、上流式微滤膜过滤池、出水系统以及污泥排出系统。该装置的特点是经污水池静置处理,废水由进水管从左端进入单向流式ABR反应器,上下交替单向推流,单向流式ABR反应器所用的填料为聚烯烃和聚酰胺的混合材料,除进水管外,与单向流式ABR反应器相连的有排泥管、排气口,用以排除处理过程厌氧产生的脱落生物膜(污泥)、微小固体杂质、甲烷气体等物质;出水由单向流式ABR反应器右端溢流,沿导流板进入上流式缺氧池,经缺氧处理后顺导流板由下部进入上流式好氧池;上流式好氧池内填充的填料为与单向流式ABR反应器相同的弹性填料,上流式好氧池底部布置了两个环形微孔曝气装置,下端设有多孔挡板,用以固定环形微孔曝气装置;出水由上流式好氧池上部经导流板进入沉淀池,经沉淀后的上清液进入上流式微滤膜过滤池,池内布置了若干个微滤膜过滤器,微滤膜过滤器采用中空纤维膜,与上流式微滤膜过滤池相连的有过滤液出水管、过滤废液出水管,在过滤废液出水管上安装了膜压力表;沉淀池下部设排泥口,上流式缺氧池、上流式好氧池下部均设V形排泥口(角度为145°),用一根共通的总排泥管连接沉淀池、上流式缺氧池和上流式好氧池,将各反应池脱落的生物膜、杂质沉降物排入污泥池。 Integrated baffle type anaerobic/anoxic/aerobic/membrane filtration high-concentration organic wastewater treatment device includes: sewage tank, water inlet system, unidirectional flow ABR reactor, upflow anoxic tank, upflow aerobic tank , sedimentation tank, upflow microfiltration membrane filter tank, water outlet system and sludge discharge system. The feature of the device is that it is treated statically in the sewage pool. The waste water enters the one-way flow ABR reactor from the left end of the water inlet pipe, and the up and down alternate one-way push flow. The fillers used in the one-way flow ABR reactor are polyolefin and polyamide. In addition to the water inlet pipe, there are sludge discharge pipes and exhaust outlets connected to the unidirectional flow ABR reactor to remove the exfoliated biofilm (sludge), tiny solid impurities, methane produced by anaerobic treatment. Gas and other substances; the effluent overflows from the right end of the one-way flow ABR reactor, enters the upflow anoxic tank along the deflector, and enters the upflow aerobic tank along the deflector from the lower part after anoxic treatment; the upflow aerobic tank The filler filled in the tank is the same elastic filler as the one-way flow ABR reactor. Two annular microporous aeration devices are arranged at the bottom of the upflow aerobic tank, and the lower end is equipped with a porous baffle to fix the annular microporous aeration. Device; the effluent enters the sedimentation tank from the upper part of the upflow aerobic tank through the deflector, and the supernatant after sedimentation enters the upflow microfiltration membrane filtration tank. Several microfiltration membrane filters are arranged in the tank, and the microfiltration membrane filter adopts Hollow fiber membrane, connected with the upflow microfiltration membrane filtration tank, there are filtrate outlet pipes and filtered waste liquid outlet pipes, and membrane pressure gauges are installed on the filtered waste liquid outlet pipes; the lower part of the sedimentation tank is provided with mud discharge outlets, and upflow anoxic The lower part of the tank and the upflow aerobic tank are equipped with a V-shaped mud discharge port (the angle is 145°), and a common total mud discharge pipe is used to connect the sedimentation tank, the upflow anoxic tank and the upflow aerobic tank, and each reaction The biofilm and impurity sediments shed from the pool are discharged into the sludge pool.
将横向布置的单向流式ABR反应器置于上层处理初始进水,单向流式ABR反应器侧面布置排泥管和排气口,出水沿导流板竖向导流。 The horizontally arranged one-way flow ABR reactor is placed on the upper layer to treat the initial water inflow. The side of the one-way flow ABR reactor is arranged with a mud discharge pipe and an exhaust port, and the outlet water flows vertically along the deflector.
采用弹性填料作为填充物,弹性填料为聚烯烃和聚酰胺的混合材料,立方体结构,悬挂式,固定填料的装置可以采用尼龙绳等坚韧及硬度高、耐腐蚀性强、价格低廉、施工简便的材料;单向流式ABR反应器的填充率为80%-90%,上流式好氧池的填充率为70%-80%;用于过滤的微滤膜过滤器采用中空纤维膜,材料为混合纤维酯。 The elastic filler is used as the filler. The elastic filler is a mixed material of polyolefin and polyamide. It has a cubic structure and is suspended. The device for fixing the filler can use tough, high hardness, strong corrosion resistance, low price and easy construction such as nylon rope. Materials; the filling rate of unidirectional flow ABR reactor is 80%-90%, and the filling rate of upflow aerobic tank is 70%-80%; the microfiltration membrane filter used for filtration adopts hollow fiber membrane, and the material is Mixed cellulose esters.
在上流式好氧池底部采用环形微孔曝气装置进行曝气,环形微孔曝气装置布置于底部中心对称处,曝气时气流带动水流均匀向上旋转流动。 At the bottom of the upflow aerobic tank, an annular microporous aeration device is used for aeration. The annular microporous aeration device is arranged at a symmetrical place in the center of the bottom. During aeration, the airflow drives the water flow to rotate upwards evenly.
通过隔板,将各个反应池分割在各自的区域内,使废水的处理按一定步骤有规律地进行,让废水在各个反应池中得到充分的处理。 Through the partition, each reaction pool is divided into its own area, so that the treatment of waste water can be carried out regularly according to certain steps, so that the waste water can be fully treated in each reaction pool. the
本实用新型与现有的技术相比具有的优势在于: Compared with the prior art, the utility model has the advantages that:
①该装置将多种常用的废水处理工艺相结合,结构新颖、紧凑,布置合理,操作简便,工作安全稳定,提高了出水水质的稳定性,节省了处理的能耗和日常运行的费用。②填料采用以聚烯烃和聚酰胺的混合材料,比表面积大、不结团、不堵塞、使用寿命长,可提高氧转移率,,还可重复使用,生产运行管理简便,适应能力强。单向流式ABR反应器的填料采用单侧固定式,上流式好氧池的填料采用中轴固定式,这两种布置方式均为悬浮式与固定式的良好结合,在防止生物膜流动脱落的同时又能增加空气、生物膜、水流的接触面积,可提高处理效果。③污泥排放量少,具有良好的生化性。在单向流式ABR反应器中,厌氧过程可以将大分子物质和难降解的物质分解为小分子和易降解的物质,同时也可以进行部分反硝化作用,对有毒、难降解的有机废水具有很好的处理效果;在上流式缺氧池的缺氧条件下,充分进行反硝化脱氮,在上流式好氧池中的好氧条件下,对上流式缺氧池出水进行硝化、降解等作用,进一步提高出水水质;生物膜的生物相当丰富,反应池在长污泥下运行,污泥排放量少。④处理有机废水以及脱氮除磷的效果显著,可处理中高浓度难降解的有机废水或中高浓度的生活污水,因而本装置的应用范围十分广泛。 ①The device combines a variety of commonly used wastewater treatment processes. It has a novel and compact structure, reasonable layout, easy operation, safe and stable work, improves the stability of effluent water quality, and saves energy consumption for treatment and daily operation costs. ②The filler is made of a mixed material of polyolefin and polyamide, which has a large specific surface area, no agglomeration, no clogging, long service life, can improve the oxygen transfer rate, and can be reused. The production and operation management is simple and the adaptability is strong. The filling of the unidirectional flow ABR reactor adopts the one-side fixed type, and the filling of the upflow aerobic tank adopts the central axis fixed type. These two arrangements are a good combination of suspension type and fixed type. At the same time, it can increase the contact area of air, biofilm and water flow, which can improve the treatment effect. ③ Less sludge discharge and good biochemical properties. In the unidirectional flow ABR reactor, the anaerobic process can decompose macromolecular substances and refractory substances into small molecules and easily degradable substances. It has a good treatment effect; under the anoxic condition of the upflow anoxic tank, denitrification and denitrification are fully carried out, and under the aerobic conditions of the upflow aerobic tank, the effluent of the upflow anoxic tank is nitrified and degraded And so on, to further improve the effluent water quality; the biofilm is quite rich in organisms, the reaction tank runs under long sludge, and the sludge discharge is small. ④ The effect of treating organic wastewater and removing nitrogen and phosphorus is remarkable, and it can treat medium-to-high-concentration refractory organic wastewater or medium-to-high-concentration domestic sewage, so the application range of this device is very wide.
附图说明 Description of drawings
图1为本实用新型的主体结构剖面示意图。 Fig. 1 is a schematic cross-sectional view of the main structure of the utility model.
图2为本实用新型的P—P截面示意图。 Fig. 2 is the P-P section schematic diagram of the utility model.
图3为本实用新型的H—H截面示意图。 Fig. 3 is the H-H sectional schematic diagram of the utility model.
图中:1、污水池,2、污水泵,3、阀门,4、进水管,5、排泥管,6、排气口,7、机械搅拌器,8、多孔挡板,9、环形微孔曝气装置,10、弹性填料,11、膜过滤器,12、过滤液出水管,13、膜压力表,14、过滤废液出水管,15、总排泥管,16、污泥池,17、回流管进口,18、回流管出口,19、单向流式ABR反应器,20、上流式缺氧池,21、上流式好氧池,22、沉淀池,23、上流式微滤膜过滤池。 In the figure: 1. sewage tank, 2. sewage pump, 3. valve, 4. water inlet pipe, 5. mud discharge pipe, 6. exhaust port, 7. mechanical agitator, 8. porous baffle, 9. annular micro Pore aeration device, 10. Elastic filler, 11. Membrane filter, 12. Filtrate outlet pipe, 13. Membrane pressure gauge, 14. Filtration waste liquid outlet pipe, 15. Total sludge discharge pipe, 16. Sludge tank, 17. Return pipe inlet, 18. Return pipe outlet, 19. One-way flow ABR reactor, 20. Upflow anoxic tank, 21. Upflow aerobic tank, 22. Sedimentation tank, 23. Upflow microfiltration membrane filtration pool.
具体实施方式 Detailed ways
如附图所示,本实用新型一体化折折流板式厌氧/缺氧/好氧/膜过滤高浓度有机废水处理装置由单向流式ABR反应器19、上流式缺氧池20、上流式好氧池21、沉淀池22、上流式微滤膜过滤池23五个主反应池和一个污水池1、一个污泥浓缩池16组成。污水首先进入污水池1经静置处理后,在污水泵2的作用下,通过进水管4,由单向流式ABR反应器19左侧壁上部进入,单向流式ABR反应器19所用填料为弹性填料10,填充率为80%-90%,固定方式为单侧固定;在单向流式ABR反应器19右侧壁折板上部设置排气口6,在其后侧壁折板布置排泥管5,用于排出厌氧反应产生的气体和生物膜(污泥);上流式缺氧池20为导流式进水上部出水,上流式好氧池21为下部进水上部出水,上流式好氧池21所用填料也为弹性填料10,填充率为70%-80%,固定方式为中轴固定式;在上流式好氧池21的底部中间布置了两个环形微孔曝气装置9,环形微孔曝气装置9由多孔挡板8固定,曝气时气流带动水流均匀向上旋转流动;好氧处理后的废水从上部进入沉淀池22,杂质得到充分沉淀,上清液进入上流式微滤膜过滤池23,经微滤膜过滤器11过滤后的过滤液从过滤液出水管12流出,截留了杂质的过滤废液从过滤废液出水管14流出;上流式微滤膜过滤池23内布置了五个微滤膜过滤器11,微滤膜过滤器11选用中空纤维膜,材料为混合纤维酯。单向流式ABR反应器19下方的上流式缺氧池20、上流式好氧池21主体的下部设有为V形排泥口(角度为145°),与沉淀池22用一根共通的总排泥管15连接,可定期排出各反应池脱落的生物膜、杂质沉降物。 As shown in the accompanying drawings, the integrated baffle plate type anaerobic/anoxic/aerobic/membrane filtration high-concentration organic wastewater treatment device of the utility model consists of a one-way flow ABR reactor 19, an upflow anoxic pool 20, an upflow A type aerobic tank 21, a settling tank 22, an upflow microfiltration membrane filter tank 23, five main reaction tanks, a sewage tank 1, and a sludge thickening tank 16 are formed. Sewage first enters the sewage pool 1 and after static treatment, under the action of the sewage pump 2, it passes through the water inlet pipe 4 and enters from the upper part of the left side wall of the one-way flow ABR reactor 19. The filler used in the one-way flow ABR reactor 19 It is an elastic filler 10 with a filling rate of 80%-90%, and the fixing method is one-sided fixing; an exhaust port 6 is arranged on the upper part of the right side wall flap of the unidirectional flow ABR reactor 19, and the rear side wall flap is arranged The mud discharge pipe 5 is used to discharge the gas and biofilm (sludge) produced by the anaerobic reaction; the upflow anoxic tank 20 is a diversion type water inlet and the upper part of the water outlet, and the upflow aerobic tank 21 is the lower part of the water inlet and the upper part of the water outlet, The filler used in the upflow aerobic tank 21 is also elastic filler 10, the filling rate is 70%-80%, and the fixing method is the central axis fixed type; two ring-shaped microporous aeration tanks are arranged in the middle of the bottom of the upflow aerobic tank 21 Device 9, the annular microporous aeration device 9 is fixed by the porous baffle 8, and the air flow drives the water flow to rotate upwards evenly during aeration; the waste water after aerobic treatment enters the sedimentation tank 22 from the upper part, the impurities are fully precipitated, and the supernatant enters the Upflow microfiltration membrane filter pool 23, the filtrate filtered by the microfiltration membrane filter 11 flows out from the filtrate outlet pipe 12, and the filtered waste liquid that has retained impurities flows out from the filtered waste liquid outlet pipe 14; the upflow microfiltration membrane filter pool Five microfiltration membrane filters 11 are arranged in 23, and the microfiltration membrane filter 11 selects hollow fiber membrane for use, and the material is mixed fiber ester. The lower part of the main body of the upflow anoxic tank 20 and the upflow aerobic tank 21 below the one-way flow ABR reactor 19 is provided with a V-shaped mud discharge port (the angle is 145°), which is shared with the sedimentation tank 22. The total mud discharge pipe 15 is connected to regularly discharge biofilms and impurity sediments that come off from each reaction tank.
运行前,单向流式ABR反应器19和上流式好氧池21按负荷从低到高进行生物膜挂膜培养,运行时,废水经污水池1静置处理后由污水泵2经进水管4进入单向流式ABR反应器19左侧的折板流室中,经厌氧处理的出水从单向流式ABR反应器19右侧溢流沿导流板流入上流式缺氧池20进行反硝化脱氮,出水沿导流板流入上流式好氧池21进行曝气好氧处理,有机物得到硝化降解,出水从上流式好氧池21左侧溢流入沉淀池22经静置沉淀后,上清液进入上流式微滤膜过滤池23,微滤膜过滤器11以膜两侧的压力差为驱动力,以中空纤维膜为过滤介质,在一定的压力下,对上清液进行过滤净化,过滤后的出水由过滤液出水管12排出,过滤中产生的废液从过滤废液出水管14排出。 Before operation, the one-way flow type ABR reactor 19 and the upflow type aerobic tank 21 carry out biofilm hanging film cultivation according to the load from low to high. 4 Enter the flap flow chamber on the left side of the one-way flow ABR reactor 19, and the anaerobically treated effluent overflows from the right side of the one-way flow ABR reactor 19 and flows into the upflow anoxic tank 20 along the deflector Denitrification and denitrification, the effluent flows into the upflow aerobic tank 21 along the guide plate for aeration and aerobic treatment, the organic matter is degraded by nitrification, and the effluent overflows from the left side of the upflow aerobic tank 21 into the sedimentation tank 22 after standing and settling. The supernatant enters the upflow microfiltration membrane filter pool 23, and the microfiltration membrane filter 11 uses the pressure difference on both sides of the membrane as the driving force and the hollow fiber membrane as the filter medium to filter and purify the supernatant under a certain pressure. , the filtered water is discharged from the filtrate outlet pipe 12, and the waste liquid generated in the filtration is discharged from the filtered waste liquid outlet pipe 14.
弹性填料10采用以聚烯烃和聚酰胺的混合材料,比表面积大、挂膜快、生物膜生长更新良好、耐高负荷冲击、处理效果良好,使用寿命长。单向流式ABR反应器19、上流式好氧池21中固定填料的装置可以采用尼龙绳等具有一定韧性、硬度和耐腐蚀性的材料;微滤膜过滤器11采用中空纤维膜,材料为混合纤维酯,单位体积内的有效膜表面积比率高,透水率较低而化学稳定性好、使用寿命长。 The elastic filler 10 is made of a mixed material of polyolefin and polyamide, which has a large specific surface area, fast film formation, good biofilm growth and regeneration, high load impact resistance, good treatment effect and long service life. One-way flow type ABR reactor 19, the device of fixed filler in upflow type aerobic pool 21 can adopt the material that has certain toughness, hardness and corrosion resistance such as nylon rope; Microfiltration membrane filter 11 adopts hollow fiber membrane, and material is Mixed fiber ester, high ratio of effective membrane surface area per unit volume, low water permeability, good chemical stability and long service life.
本实用新型将ABR工艺、生物膜法、A2/O工艺、MF(微滤膜过滤)工艺等水处理工艺的优点相结合并进行了合理的改造,具有处理效率高、出水水质稳定、操作管理简单、占地面积少、运行成本低等特点,对有机废水中的有机污染物、氮、磷等有很好的处理效果,同时对SS(固体悬浮物)、浊度、色度等也具有较好的去除效果。 The utility model combines the advantages of ABR technology, biomembrane method, A 2 /O technology, MF (microfiltration membrane filtration) technology and other water treatment technologies and carries out reasonable transformation. It has the characteristics of simple management, small floor space, and low operating cost. It has a good treatment effect on organic pollutants, nitrogen, phosphorus, etc. in organic wastewater. Has a good removal effect.
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