CN104710078B - Underground integrated domestic sewage treatment device and method - Google Patents
Underground integrated domestic sewage treatment device and method Download PDFInfo
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Abstract
本发明公开了一种地埋式一体化生活污水处理装置及方法，属于生活污水净化领域，本发明包括格栅池、调节池、厌氧消化池、厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ、好氧生物滤池Ⅲ、竖流沉淀池和控制间，为地埋式立体一体化装置，所述控制间包括上层部分和下层部分，所述上层部分位于控制间上部，上层部分内设有电控箱、紫外装置，下层部分安装风机、加药设备。本发明占地面积小，排水方便，设备能耗小，利于节能环保，在主要依靠生物降解的基础上，辅助采用化学处理工艺，确保出水水质达标排放。
The invention discloses a buried integrated domestic sewage treatment device and method, belonging to the field of domestic sewage purification. The invention includes a grid pool, a regulating pool, an anaerobic digestion pool, an anaerobic biological filter, and an aerobic biological filter Ⅰ. The aerobic biological filter II, the aerobic biological filter III, the vertical flow sedimentation tank and the control room are buried three-dimensional integrated devices. The control room includes an upper part and a lower part, and the upper part is located in the control room. The upper part of the room is equipped with an electric control box and an ultraviolet device, and the lower part is equipped with a fan and dosing equipment. The invention has the advantages of small floor area, convenient drainage, low energy consumption of the equipment, and is beneficial to energy saving and environmental protection. On the basis of mainly relying on biodegradation, the invention assists the use of chemical treatment process to ensure that the effluent quality meets the discharge standard.
Description
技术领域technical field
本发明涉及生活污水净化领域，具体地说设计一种地埋式一体化生活污水处理装置及方法。The invention relates to the field of domestic sewage purification, and specifically designs an underground integrated domestic sewage treatment device and method.
背景技术Background technique
目前，我国的污水处理主要是面向城市，农村地区由于地区分散，数量庞大，污水集中收集处理难度较大等问题，我国农村污水一直处于被忽视状态，污水未经处理直接排放。随着社会经济的发展，农村养殖畜牧业的规模化，农村生活污水对于环境的污染程度逐年加大，农村生活污水的问题迫切需要得到解决。At present, my country's sewage treatment is mainly for cities. In rural areas, due to scattered areas, large quantities, and difficulty in centralized collection and treatment of sewage, rural sewage in my country has always been neglected, and sewage is directly discharged without treatment. With the development of social economy and the scale of livestock breeding in rural areas, the pollution of rural domestic sewage to the environment is increasing year by year, and the problem of rural domestic sewage needs to be solved urgently.
发明内容Contents of the invention
本发明针对以上提出的农村生活污水地区分散、数量大以及集中处理难度大的问题，而研究设计一种地埋式一体化生活污水处理装置及方法。本发明采用的技术手段如下：The present invention aims at the above-mentioned problems of scattered rural domestic sewage, large quantity and difficulty in centralized treatment, and researches and designs an underground integrated domestic sewage treatment device and method. The technical means adopted in the present invention are as follows:
一种地埋式一体化生活污水处理装置，包括格栅池、调节池、厌氧消化池、厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ、好氧生物滤池Ⅲ、竖流沉淀池和控制间，生活污水由进水管进入格栅池过滤后进入调节池，所述调节池的底部与厌氧消化池的底部连通，所述厌氧消化池内设有潜污泵，所述潜污泵的出水口与厌氧生物滤池的上部相连，所述厌氧生物滤池的底部与好氧生物滤池Ⅰ的底部连通，所述好氧生物滤池Ⅰ处理后的污水溢流进入好氧生物滤池Ⅱ，所述好氧生物滤池Ⅱ的底部和好氧生物滤池Ⅲ的底部连通，所述好氧生物滤池Ⅲ的上端设有溢流堰Ⅰ，所述溢流堰Ⅰ通过连接管与竖流沉淀池内的中心管相连；所述竖流沉淀池的上端设有溢流堰Ⅱ；所述厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ和好氧生物滤池Ⅲ中均设有生物填料，所述好氧生物滤池Ⅰ、好氧生物滤池Ⅱ和好氧生物滤池Ⅲ中生物填料的下方均设有穿孔曝气管；An underground integrated domestic sewage treatment device, including grid tank, regulating tank, anaerobic digestion tank, anaerobic biological filter, aerobic biological filter Ⅰ, aerobic biological filter Ⅱ, aerobic biological filter Ⅲ. In the vertical flow sedimentation tank and the control room, the domestic sewage enters the grid tank through the inlet pipe and is filtered and then enters the adjustment tank. The bottom of the adjustment tank is connected with the bottom of the anaerobic digestion tank. pump, the outlet of the submersible sewage pump is connected to the upper part of the anaerobic biofilter, the bottom of the anaerobic biofilter is connected to the bottom of the aerobic biofilter I, and the aerobic biofilter I is treated The sewage overflows into the aerobic biofilter II, the bottom of the aerobic biofilter II communicates with the bottom of the aerobic biofilter III, and the upper end of the aerobic biofilter III is provided with an overflow weir I, The overflow weir I is connected to the central pipe in the vertical flow sedimentation tank through a connecting pipe; the upper end of the vertical flow sedimentation tank is provided with an overflow weir II; the anaerobic biological filter, aerobic biological filter I, and Both the aerobic biofilter II and the aerobic biofilter III have biological fillers, and the biofillers in the aerobic biofilter I, aerobic biofilter II and aerobic biofilter III are all provided with perforations below the biological fillers Aeration pipe;
所述控制间内设有风机、药箱、电控箱、紫外装置，所述溢流堰Ⅱ通过管路与紫外装置的进口相连，所述紫外装置的出口处设有出水管，所述穿孔曝气管均通过各自对应的曝气控制阀与风机相连，所述药箱通过剂量泵和加药管与所述中心管的内部相连；所述竖流沉淀池的底部设有穿孔排泥管Ⅰ，所述厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ和好氧生物滤池Ⅲ的底部设有贯穿厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ和好氧生物滤池Ⅲ的穿孔排泥管Ⅱ，所述穿孔排泥管Ⅰ和穿孔排泥管Ⅱ均与调节池相连。The control room is equipped with a fan, a medicine box, an electric control box, and an ultraviolet device. The overflow weir II is connected to the inlet of the ultraviolet device through a pipeline, and an outlet pipe is provided at the outlet of the ultraviolet device. The perforated The aeration pipes are connected to the fan through their corresponding aeration control valves, and the medicine box is connected to the inside of the central pipe through a dosage pump and a dosing pipe; the bottom of the vertical flow sedimentation tank is provided with a perforated mud discharge pipe Ⅰ, the bottom of the anaerobic biofilter, aerobic biofilter Ⅰ, aerobic biofilter Ⅱ and aerobic biofilter Ⅲ is provided with an anaerobic biofilter, aerobic biofilter Ⅰ, aerobic biofilter The perforated mud discharge pipe II of the biofilter II and the aerobic biofilter III, the perforated mud discharge pipe I and the perforated mud discharge pipe II are both connected to the regulating tank.
进一步地，所述调节池、厌氧消化池、厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ、好氧生物滤池Ⅲ和竖流沉淀池上均设有人孔。Further, manholes are provided on the regulating tank, anaerobic digester, anaerobic biological filter, aerobic biological filter I, aerobic biological filter II, aerobic biological filter III and vertical flow sedimentation tank.
进一步地，所述控制间包括上层部分和下层部分，所述上层部分位于地上，上层部分内设有电控箱和紫外装置，下层部分内设有风机和药箱。Further, the control room includes an upper part and a lower part, the upper part is located on the ground, an electric control box and an ultraviolet device are arranged in the upper part, and a fan and a medicine box are arranged in the lower part.
进一步地，所述竖流沉淀池内设有斜板。Further, the vertical flow sedimentation tank is provided with a sloping plate.
进一步地，装置整体为地埋式设置。Further, the device as a whole is installed underground.
一种生活污水处理方法，包括以下步骤：A method for treating domestic sewage, comprising the steps of:
①将生活污水排入格栅池过滤后进入调节池进行厌氧生物降解；① Discharge the domestic sewage into the grid tank for filtration and enter the regulating tank for anaerobic biodegradation;
②步骤①的产物进入厌氧消化池进行进一步厌氧生物降解；②The product of step ① enters the anaerobic digester for further anaerobic biodegradation;
③步骤②的产物经提升管路依次进入厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ和好氧生物滤池Ⅲ进行进一步生物降解；③The product of step ② enters the anaerobic biofilter, aerobic biofilter I, aerobic biofilter II and aerobic biofilter III through the lifting pipeline in turn for further biodegradation;
④步骤③的产物进入竖流沉淀池进行澄清处理，在进入竖流沉淀池的过程中加入除磷药剂和混凝药剂；④The product of step ③ enters the vertical flow sedimentation tank for clarification treatment, and adds phosphorus removal agent and coagulation agent during the process of entering the vertical flow sedimentation tank;
⑤将竖流沉淀池的出水经过紫外消毒处理后排放。⑤ Discharge the effluent from the vertical flow sedimentation tank after undergoing ultraviolet disinfection treatment.
进一步地，将厌氧生物滤池、好氧生物滤池Ⅰ、好氧生物滤池Ⅱ、好氧生物滤池Ⅲ和竖流沉淀池内产生的污泥输送至调节池进行进一步消化处理，待调节池内的污泥需要排放时，通过人孔外接抽污设备将污泥进行外排处理。Further, the sludge generated in the anaerobic biofilter, aerobic biofilter I, aerobic biofilter II, aerobic biofilter III, and vertical flow sedimentation tank is transported to the regulating tank for further digestion and treatment. When the sludge in the pool needs to be discharged, the sludge is discharged through the external sewage pumping equipment through the manhole.
进一步地，所述除磷药剂为硫酸钙，所述混凝药剂为聚合氯化铝。Further, the phosphorus removal agent is calcium sulfate, and the coagulation agent is polyaluminum chloride.
与现有技术比较，本发明所述的一种地埋式一体化生活污水处理装置具有以下优点：Compared with the prior art, the buried integrated domestic sewage treatment device of the present invention has the following advantages:
1、设备为一整体，挖筑好基础后直接安置，方便快捷，工程周期短；1. The equipment is integrated as a whole, and it can be placed directly after the foundation is dug and built, which is convenient and fast, and the project period is short;
2、设备采用地埋式，基本不占用地上空间，同时设备在必要的处理单元设置人孔，方便检查维修；2. The equipment adopts the buried type, which basically does not occupy the space above the ground. At the same time, the equipment is equipped with manholes in the necessary processing units, which is convenient for inspection and maintenance;
3、控制间内分为上下两层，上层部分内设有电控箱、紫外装置，下层部分安装风机、加药设备，操作方便，减小占地面积。3. The control room is divided into upper and lower floors. The upper part is equipped with electric control box and ultraviolet device, and the lower part is equipped with fan and dosing equipment, which is easy to operate and reduces the occupied area.
4、在一个设备中完成进水，排水，操作，曝气反应，化学处理，沉淀分离，污泥浓缩及排泥等过程，占地面积小，排水方便；4. Complete the processes of water intake, drainage, operation, aeration reaction, chemical treatment, sedimentation separation, sludge concentration and sludge discharge in one equipment, with small footprint and convenient drainage;
5、过程中除厌氧消化池内需设置提升泵外，其余处理单元水流压力均采用重力式，设备能耗小，利于节能环保；5. In the process, except for the lifting pump that needs to be installed in the anaerobic digestion tank, the water flow pressure of the other processing units adopts the gravity type, and the energy consumption of the equipment is small, which is conducive to energy saving and environmental protection;
6、四个生物滤池可以视污水水质状况通过开闭曝气控制阀进行灵活调节，组成多种厌氧/好氧处理方式，同时四个生物滤池采用“S”型工艺流程，延长的水力停留时间，有利于生化处理；6. The four biological filters can be flexibly adjusted by opening and closing the aeration control valve according to the water quality of the sewage to form a variety of anaerobic/aerobic treatment methods. At the same time, the four biological filters adopt "S" type process flow, and the extended Hydraulic retention time is beneficial to biochemical treatment;
7、竖流沉淀池内加装斜板，有利于提高沉淀速率，提高出水质量；7. The installation of inclined plates in the vertical flow sedimentation tank is conducive to increasing the sedimentation rate and improving the quality of the effluent;
8、设备在处理工艺的末端采用加药(除磷药剂，混凝药剂)处理工艺，有利于节省加药量，减少工程运行投资；8. The equipment adopts the dosing (phosphorus removal agent, coagulation agent) treatment process at the end of the treatment process, which is conducive to saving the amount of dosing and reducing the investment in project operation;
9、本工艺在主要依靠生物降解的基础上，辅助采用化学处理工艺，确保出水水质达标排放。9. On the basis of mainly relying on biodegradation, this process assists in the use of chemical treatment processes to ensure that the effluent quality meets the discharge standards.
附图说明Description of drawings
图1是本发明地埋式一体化生活污水处理装置的平面布置示意图。Fig. 1 is a schematic plan layout of the buried integrated domestic sewage treatment device of the present invention.
图2是图1的A-A剖面示意图。FIG. 2 is a schematic cross-sectional view of A-A in FIG. 1 .
图3是图1的B-B剖面示意图。Fig. 3 is a schematic cross-sectional view along B-B of Fig. 1 .
具体实施方式detailed description
如图1至图3所示，一种地埋式一体化生活污水处理装置，包括格栅池1、调节池2、厌氧消化池3、厌氧生物滤池4、好氧生物滤池Ⅰ5、好氧生物滤池Ⅱ6、好氧生物滤池Ⅲ7、竖流沉淀池8和控制间9，所述控制间9包括上层部分和下层部分，所述上层部分内设有电控箱10和紫外装置20，下层部分安装风机23和药箱24，可通过爬梯12往返上下两层。所述竖流沉淀池8内设有斜板11，竖流沉淀池8内加装斜板11，有利于提高沉淀速率，提高出水质量。As shown in Figures 1 to 3, a buried integrated domestic sewage treatment device includes a grid tank 1, a regulating tank 2, an anaerobic digestion tank 3, an anaerobic biological filter 4, and an aerobic biological filter I5 , aerobic biological filter II6, aerobic biological filter III7, vertical flow sedimentation tank 8 and control room 9, the control room 9 includes an upper part and a lower part, and the upper part is provided with an electric control box 10 and an ultraviolet Device 20, blower fan 23 and medicine box 24 are installed in the lower part, and can go up and down two floors by climbing ladder 12. The vertical flow sedimentation tank 8 is provided with a slant plate 11, and the vertical flow sedimentation tank 8 is equipped with a slant plate 11, which is beneficial to increase the sedimentation rate and improve the quality of the effluent.
生活污水由进水管13进入格栅池1过滤后进入调节池2，所述调节池2的底部与厌氧消化池3的底部连通，所述厌氧消化池3内设有潜污泵14，所述潜污泵14的出水口与厌氧生物滤池4的上部相连，所述厌氧生物滤池4的底部与好氧生物滤池Ⅰ 5的底部连通，所述好氧生物滤池Ⅰ 5处理后的污水溢流进入好氧生物滤池Ⅱ 6，所述好氧生物滤池Ⅱ 6的底部和好氧生物滤池Ⅲ7的底部连通，所述好氧生物滤池Ⅲ7的上端设有溢流堰Ⅰ 15，所述溢流堰Ⅰ 15通过连接管16与竖流沉淀池8内的中心管17相连；所述竖流沉淀池8的上端设有溢流堰Ⅱ 18，所述溢流堰Ⅱ 18通过管路与紫外装置20的进口相连，所述紫外装置20的出口处设有出水管19，所述紫外装置20设置在出水管19上，使出水管流出的水流经紫外装置20进行进一步处理；所述厌氧生物滤池4、好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6和好氧生物滤池Ⅲ7内均设有生物填料21，所述好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6和好氧生物滤池Ⅲ7中生物填料的下方均设有穿孔曝气管22；The domestic sewage enters the grid tank 1 through the water inlet pipe 13 and then enters the adjustment tank 2 after being filtered. The bottom of the adjustment tank 2 communicates with the bottom of the anaerobic digestion tank 3, and the anaerobic digestion tank 3 is provided with a submersible sewage pump 14. The water outlet of the submersible sewage pump 14 is connected to the top of the anaerobic biofilter 4, and the bottom of the anaerobic biofilter 4 communicates with the bottom of the aerobic biofilter I 5, and the aerobic biofilter I 5. The treated sewage overflows into the aerobic biofilter II 6, the bottom of the aerobic biofilter II 6 communicates with the bottom of the aerobic biofilter III 7, and the upper end of the aerobic biofilter III 7 is provided with The overflow weir I 15, the overflow weir I 15 is connected to the central pipe 17 in the vertical flow sedimentation tank 8 through the connecting pipe 16; the upper end of the vertical flow sedimentation tank 8 is provided with an overflow weir II 18, and the overflow The flow weir II 18 is connected to the inlet of the ultraviolet device 20 through a pipeline, and the outlet of the ultraviolet device 20 is provided with an outlet pipe 19, and the ultraviolet device 20 is arranged on the outlet pipe 19, so that the water flowing out of the outlet pipe flows through the ultraviolet device 20 for further treatment; the anaerobic biofilter 4, the aerobic biofilter Ⅰ 5, the aerobic biofilter Ⅱ 6 and the aerobic biofilter Ⅲ 7 are all equipped with biological fillers 21, and the aerobic biofilter There are perforated aeration pipes 22 below the biological fillers in pool I 5, aerobic biofilter II 6 and aerobic biofilter III 7;
所述控制间9内设有风机23和药箱24，所述穿孔曝气管22均通过各自对应的曝气控制阀25与风机23相连，所述药箱24通过剂量泵26和加药管27与所述中心管17的内部相连；所述竖流沉淀池8的底部设有穿孔排泥管Ⅰ 28，所述厌氧生物滤池4、好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6和好氧生物滤池Ⅲ7的底部设有贯穿厌氧生物滤池4、好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6和好氧生物滤池Ⅲ7的穿孔排泥管Ⅱ 29，所述穿孔排泥管Ⅰ 28和穿孔排泥管Ⅱ 29均通过排泥管30与调节池2相连。The control room 9 is provided with a fan 23 and a medicine box 24, and the perforated aeration pipes 22 are connected to the fan 23 through respective corresponding aeration control valves 25, and the medicine box 24 is connected to each other through a dosage pump 26 and a dosing pipe. 27 is connected to the inside of the central pipe 17; the bottom of the vertical flow sedimentation tank 8 is provided with a perforated mud discharge pipe I 28, the anaerobic biological filter 4, the aerobic biological filter I 5, the aerobic biological filter The bottom of pool II 6 and aerobic biofilter III 7 is equipped with perforated sludge discharge pipe II that runs through anaerobic biofilter 4, aerobic biofilter I 5, aerobic biofilter II 6 and aerobic biofilter III 7 29. Both the perforated mud discharge pipe I 28 and the perforated mud discharge pipe II 29 are connected to the regulating tank 2 through the mud discharge pipe 30 .
本实施例装置整体为一体化立体地埋式设置，节省空间，所述调节池2、厌氧消化池3、厌氧生物滤池4、好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6、好氧生物滤池Ⅲ7和竖流沉淀池8上均设有人孔31，方便检修。The whole device of this embodiment is an integrated three-dimensional underground setting, which saves space. 6. Both the aerobic biological filter III 7 and the vertical flow sedimentation tank 8 are equipped with manholes 31 for easy maintenance.
一种生活污水处理方法，包括以下步骤：A method for treating domestic sewage, comprising the steps of:
①将生活污水排入格栅池1过滤后进入调节池2进行厌氧生物降解；① Discharge the domestic sewage into the grid pool 1 for filtration and enter the regulating pool 2 for anaerobic biodegradation;
②步骤①的产物进入厌氧消化池3进行进一步厌氧生物降解；② The product of step ① enters the anaerobic digester 3 for further anaerobic biodegradation;
③步骤②的产物经提升管路依次进入厌氧生物滤池4、好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6和好氧生物滤池Ⅲ7进行进一步生物降解；③The product of step ② enters the anaerobic biofilter 4, the aerobic biofilter Ⅰ 5, the aerobic biofilter Ⅱ 6 and the aerobic biofilter Ⅲ 7 successively through the lifting pipeline for further biodegradation;
④步骤③的产物进入竖流沉淀池8进行澄清处理，在进入竖流沉淀池8的过程中加入除磷药剂和混凝药剂；4. The product of step 3. enters the vertical flow sedimentation tank 8 for clarification treatment, and adds phosphorus removal agent and coagulation agent in the process of entering the vertical flow sedimentation tank 8;
⑤将竖流沉淀池8的出水经过紫外消毒处理后排放。⑤ Discharge the effluent from the vertical flow sedimentation tank 8 after undergoing ultraviolet disinfection treatment.
将厌氧生物滤池4、好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6、好氧生物滤池Ⅲ7和竖流沉淀池8内产生的污泥输送至调节池2进行进一步消化处理，待调节池2内的污泥达到一定量需要排放时，通过人孔31外接抽污设备将污泥进行外排处理。The sludge generated in the anaerobic biological filter 4, aerobic biological filter Ⅰ 5, aerobic biological filter Ⅱ 6, aerobic biological filter Ⅲ 7 and vertical flow sedimentation tank 8 is transported to the regulating tank 2 for further digestion treatment , when the sludge in the regulating tank 2 reaches a certain amount and needs to be discharged, the sludge is discharged through the manhole 31 and externally connected to the sewage pumping equipment.
生活污水经进水管并经过格栅池1过滤后，进入调节池2，污水再次经过初步的混合稀释后，调节池2与厌氧消化池3内的微生物对其进行厌氧/缺氧降解作用，之后，污水在潜污泵14的提升作用下经过提升管路进入厌氧生物滤池4，在此进一步受到微生物的厌氧生物降解作用，之后污水依次经过后续的好氧生物滤池Ⅰ 5、好氧生物滤池Ⅱ 6和好氧生物滤池Ⅲ7，接受好氧生物处理，之后经过溢流堰Ⅰ 15和连接管16进入竖流沉淀池8，进入竖流沉淀池8后，污水与经过加药管27输送的药剂混合，接受进一步的混凝、除磷处理，之后再经过斜板11的二沉作用，上清水经过溢流堰Ⅱ 18，并经过紫外灯20的照射消毒处理后由出水管19排放。Domestic sewage passes through the water inlet pipe and is filtered by the grid pool 1, and then enters the regulating pool 2. After the sewage is mixed and diluted again, the microorganisms in the regulating pool 2 and the anaerobic digestion pool 3 perform anaerobic/anoxic degradation on it , after that, the sewage enters the anaerobic biofilter 4 through the lifting pipeline under the lifting action of the submersible sewage pump 14, where it is further subjected to anaerobic biodegradation by microorganisms, and then the sewage passes through the subsequent aerobic biofilter I 5 in turn , aerobic biofilter Ⅱ 6 and aerobic biofilter Ⅲ 7, accept aerobic biological treatment, then enter the vertical flow sedimentation tank 8 through the overflow weir Ⅰ 15 and connecting pipe 16, after entering the vertical flow sedimentation tank 8, the sewage and The medicaments transported by the dosing pipe 27 are mixed, undergo further coagulation and phosphorus removal treatment, and then pass through the secondary sedimentation of the inclined plate 11, the supernatant water passes through the overflow weir II 18, and is irradiated and disinfected by the ultraviolet lamp 20 Discharged by outlet pipe 19.
过程中设备的曝气动力由位于控制间的风机23提供，空气经过曝气控制阀25进入各处理单元的穿孔曝气管22，进行曝气。The aeration power of the equipment in the process is provided by the fan 23 located in the control room, and the air enters the perforated aeration pipes 22 of each processing unit through the aeration control valve 25 for aeration.
本实施例的基本原理为：生活污水主要含有大量的有机物，同时氮、磷含量比较高，利于生化处理。污水经过格栅池1处理滤掉杂质后，经过调节池2和厌氧消化池3的厌氧生物处理，过程中主要经过一系列的产酸产甲烷阶段，将难生物降解的有机物转化成可生物降解的物质，将大分子物质转化成小分子物质，之后再经过好氧滤池的好氧生化处理，基本可以达到降解有机物的目的。本工艺流程类似A/O工艺，处理单元产生污泥回流至调节池2，最终达到生物脱氮除磷的目的。The basic principle of this embodiment is: domestic sewage mainly contains a large amount of organic matter, and at the same time, the content of nitrogen and phosphorus is relatively high, which is beneficial to biochemical treatment. After the sewage is treated in the grid tank 1 to filter out impurities, it is anaerobic biologically treated in the regulating tank 2 and the anaerobic digestion tank 3. During the process, it mainly goes through a series of acid and methane production stages to convert the refractory organic matter into biodegradable Biodegradable substances convert macromolecular substances into small molecular substances, and then undergo aerobic biochemical treatment in an aerobic filter, which can basically achieve the purpose of degrading organic matter. This process flow is similar to the A/O process, and the sludge produced by the treatment unit is returned to the regulating tank 2, and the purpose of biological nitrogen and phosphorus removal is finally achieved.
以上所述，仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，根据本发明的技术方案及其发明构思加以等同替换或改变，都应涵盖在本发明的保护范围之内。The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
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