CN209797720U - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
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- CN209797720U CN209797720U CN201920520821.6U CN201920520821U CN209797720U CN 209797720 U CN209797720 U CN 209797720U CN 201920520821 U CN201920520821 U CN 201920520821U CN 209797720 U CN209797720 U CN 209797720U
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- 239000010865 sewage Substances 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000000835 fiber Substances 0.000 claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims abstract description 36
- 238000000926 separation method Methods 0.000 claims abstract description 25
- 239000012528 membrane Substances 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000005189 flocculation Methods 0.000 claims abstract description 19
- 230000016615 flocculation Effects 0.000 claims abstract description 19
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 13
- 239000010802 sludge Substances 0.000 claims description 47
- 239000007788 liquid Substances 0.000 claims description 16
- 238000011001 backwashing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 239000006228 supernatant Substances 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 6
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000003814 drug Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 230000002070 germicidal effect Effects 0.000 claims description 3
- 238000005374 membrane filtration Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims 1
- 238000010979 pH adjustment Methods 0.000 abstract description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 244000005700 microbiome Species 0.000 description 4
- 241001148470 aerobic bacillus Species 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 231100001234 toxic pollutant Toxicity 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
本实用新型公开了一种污水处理系统，包括管路依次连接的集水池、第一pH调节池、絮凝反应池、第一沉淀池、纤维球过滤器、厌氧池，兼氧池、好氧池、第二沉淀池、MBR膜过滤池、消毒池和回用水池，集水池与第一pH调节池之间设有油水分离池，油水分离池的上部设有斜网，油水分离池与第一pH调节池连接的管道上设有第一加药混合器以及第二加药混合器，所述纤维球过滤器与厌氧池之间设有第二pH调节池，第二pH调节池与纤维球过滤器连接的管路上设有排液阀及第三加药混合器。本实用新型减轻后续污染处理的负荷；可防止COD指数不达标外排，节约了水源，提高了水源的利用率，减少了水体的二次污染。
The utility model discloses a sewage treatment system, which comprises a water collecting tank, a first pH adjusting tank, a flocculation reaction tank, a first sedimentation tank, a fiber ball filter, an anaerobic tank, a facultative aerobic tank, an aerobic tank and a tank, the second sedimentation tank, the MBR membrane filter tank, the disinfection tank and the reuse tank, an oil-water separation tank is arranged between the water collection tank and the first pH adjustment tank, and the upper part of the oil-water separation tank is provided with an inclined screen, and the oil-water separation tank is connected with the first pH adjustment tank. A first dosing mixer and a second dosing mixer are arranged on the pipeline connected to the pH adjustment tank. A second pH adjustment tank is arranged between the fiber ball filter and the anaerobic tank. The second pH adjustment tank is connected to the fiber ball. A drain valve and a third dosing mixer are arranged on the pipeline connected to the filter. The utility model reduces the load of the subsequent pollution treatment; can prevent the COD index from being discharged outside the standard, saves the water source, improves the utilization rate of the water source, and reduces the secondary pollution of the water body.
Description
技术领域technical field
本实用新型涉及污水处理技术领域，具体是一种污水处理系统。The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment system.
背景技术Background technique
污水，通常指受一定污染的、来自生活和生产的排出水。污水主要有生活污水、工业污水和初期雨水。污水的主要污染物有病原体污染物、耗氧污染物、植物营养物和有毒污染物等。污水处理： 为使污水达到排水某一水体或再次使用的水质要求对其进行净化的过程。污水处理被广泛应用于建筑、农业，交通、能源、石化、环保、城市景观、医疗、餐饮等各个领域，也越来越多地走进寻常百姓的日常生活。Sewage, usually refers to the effluent from living and production that is polluted to a certain extent. The sewage mainly includes domestic sewage, industrial sewage and initial rainwater. The main pollutants in sewage are pathogen pollutants, oxygen-consuming pollutants, plant nutrients and toxic pollutants. Sewage treatment: The process of purifying sewage in order to make it meet the quality requirements of a water body for drainage or reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical treatment, catering and other fields, and is increasingly entering the daily life of ordinary people.
对于目前的污水处理来说，存在如下问题：1、处理污水的效率较低，并且处理效果不够理想，2、经处理后排放的污水存在COD不达标就外排的情况，3、在生化阶段pH值参数调节不到位使得微生物工作环境不理想，影响降解效率，4、处理后的水利用率较低，5、在处理过程中，压滤机产生的废水容易导致二次污染，从而对环境造成了较大的污染，也更无法实现对工业用水的循环再利用，因此，为了提高处理效果及对现有技术进一步改进，实现处理后的污水的再利用，需要设计出一种污水处理系统。For the current sewage treatment, there are the following problems: 1. The efficiency of sewage treatment is low, and the treatment effect is not ideal; 2. The COD discharged after treatment is not up to standard and is discharged to the outside world; 3. In the biochemical stage Inadequate adjustment of pH parameters makes the working environment of microorganisms unsatisfactory and affects the degradation efficiency. 4. The utilization rate of water after treatment is low. It causes a lot of pollution, and it is even more impossible to realize the recycling and reuse of industrial water. Therefore, in order to improve the treatment effect and further improve the existing technology, and realize the reuse of the treated sewage, it is necessary to design a sewage treatment system. .
实用新型内容Utility model content
本实用新型所解决的技术问题在于提供一种污水处理系统，以解决上述背景技术中的缺点。The technical problem solved by the present invention is to provide a sewage treatment system to solve the above shortcomings in the background technology.
本实用新型所解决的技术问题采用以下技术方案来实现：The technical problem solved by the utility model adopts the following technical solutions to realize:
一种污水处理系统，包括集水池、第一pH调节池、絮凝反应池、第一沉淀池、纤维球过滤器、厌氧池、兼氧池、好氧池、第二沉淀池 、MBR膜过滤池、消毒池、回用水池和污泥处理系统，集水池与第一pH调节池之间设有油水分离池，油水分离池的上部设有斜网，油水分离池的上部一侧设有排油管，油水分离池的进口侧设有对应斜网出口的收集池，油水分离池的出口通过泵与第一pH调节池进口连接，油水分离池与第一pH调节池连接的管道上设有第一加药混合器，第一pH调节池的出口与絮凝反应池的进口连接，第一pH调节池与絮凝反应池连接的管道上设有第二加药混合器，絮凝反应池的出口与第一沉淀池的进口连接，第一沉淀池的出口经进液泵及进液阀与纤维球过滤器的进水口连接，纤维球过滤器的出水口经排液阀与厌氧池的进口连接，厌氧池的出口与兼氧池的进口连接，兼氧池的出口与好氧池，好氧池内设有曝气管，曝气管道与鼓风机连接，好氧池的出口与第二沉淀池进口连接，第二沉淀池的出口与MBR膜过滤池的进口连接，MBR膜过滤池内设有平板膜过滤器，MBR膜过滤池的出口经消毒池与回用水池连接，消毒池内设有紫外线杀菌灯；所述污泥处理系统包括压滤机、污泥池、污泥泵和污泥总管，第一pH调节池的排污口、絮凝反应池的排污口、第一沉淀池的排污口、第二沉淀池的排污口以及MBR膜过滤池的排污口分别通过污泥支管及排污阀与污泥总管连接，污泥总管的出口经污泥泵与污泥池的入口连接，污泥池的出口经泵泵送至压滤机，压滤机的滤液出口经管道与污泥池的入口连接。A sewage treatment system, including a collection tank, a first pH adjustment tank, a flocculation reaction tank, a first sedimentation tank, a fiber ball filter, an anaerobic tank, a facultative oxygen tank, an aerobic tank, a second sedimentation tank, and MBR membrane filtration Tank, disinfection tank, reuse tank and sludge treatment system, an oil-water separation tank is arranged between the collecting tank and the first pH adjustment tank, the upper part of the oil-water separation tank is provided with an inclined mesh, and the upper side of the oil-water separation tank is provided with an oil drain pipe , the inlet side of the oil-water separation tank is provided with a collection tank corresponding to the outlet of the inclined net, the outlet of the oil-water separation tank is connected to the inlet of the first pH adjustment tank through a pump, and the pipeline connecting the oil-water separation tank and the first pH adjustment tank is provided with a first pH adjustment tank. Dosing mixer, the outlet of the first pH adjustment tank is connected with the inlet of the flocculation reaction tank, the pipeline connecting the first pH adjustment tank and the flocculation reaction tank is provided with a second dosing mixer, and the outlet of the flocculation reaction tank is connected with the first The inlet of the sedimentation tank is connected, the outlet of the first sedimentation tank is connected with the water inlet of the fiber ball filter through the liquid inlet pump and the liquid inlet valve, and the water outlet of the fiber ball filter is connected with the inlet of the anaerobic tank through the drain valve. The outlet of the oxygen tank is connected with the inlet of the facultative oxygen tank, the outlet of the facultative oxygen tank is connected with the aerobic tank, the aeration pipe is arranged in the aerobic tank, the aeration pipe is connected with the blower, and the outlet of the aerobic tank is connected with the inlet of the second sedimentation tank , the outlet of the second sedimentation tank is connected with the inlet of the MBR membrane filter tank, the MBR membrane filter tank is provided with a flat membrane filter, the outlet of the MBR membrane filter tank is connected to the reuse tank through the disinfection tank, and the disinfection tank is equipped with ultraviolet germicidal lamps; The sludge treatment system includes a filter press, a sludge tank, a sludge pump and a sludge main pipe, the sewage outlet of the first pH adjustment tank, the sewage outlet of the flocculation reaction tank, the sewage outlet of the first sedimentation tank, and the second sedimentation tank. The sewage outlet of the tank and the sewage outlet of the MBR membrane filter tank are respectively connected with the sludge main pipe through the sludge branch pipe and the sewage valve. It is pumped to the filter press, and the filtrate outlet of the filter press is connected to the inlet of the sludge tank through a pipeline.
进一步，所述纤维球过滤器与厌氧池之间设有第二pH调节池，第二pH调节池与纤维球过滤器连接的管路上设有排液阀及第三加药混合器。Further, a second pH adjustment tank is arranged between the fiber ball filter and the anaerobic tank, and a drain valve and a third dosing mixer are arranged on the pipeline connecting the second pH adjustment tank and the fiber ball filter.
进一步，所述纤维球过滤器包括罐体，罐体的上部一侧设有进水口，另一侧设有反冲洗排污口，罐体的顶部设有反冲洗进水管，底部设有出水口, 罐体的上部一侧设有人孔，罐体的底部设有支撑腿，所述罐体内部的上下分别设有上网板及下网板，上网板与下网板之间为纤维球滤料填料层，纤维球滤料填料层内设有纤维球滤料，反冲洗进水管的一端从上到下依次穿过上网板、纤维球滤料填料层及下网板连接有布水器，回用水池通过管道、反冲洗泵、反冲阀与反冲洗进水管的另一端连接，布水器为圆形结构，布水器的上表面分布有冲洗喷头，反冲洗排污口通过反冲洗排污管及反冲洗排污阀返回至斜网上方。Further, the fiber ball filter includes a tank body, the upper side of the tank body is provided with a water inlet, the other side is provided with a backwash sewage outlet, the top of the tank body is provided with a backwash water inlet pipe, and the bottom is provided with a water outlet, The upper side of the tank body is provided with a manhole, the bottom of the tank body is provided with support legs, the upper and lower parts of the tank body are respectively provided with upper and lower mesh plates, and fiber ball filter material fillers are arranged between the upper and lower mesh plates. The fiber ball filter material packing layer is provided with fiber ball filter material. One end of the backwash water inlet pipe passes through the upper screen, the fiber ball filter material filler layer and the lower screen plate from top to bottom in turn, and is connected with a water distributor for reuse. The pool is connected to the other end of the backwash inlet pipe through pipes, backwash pumps, and backwash valves. The water distributor is a circular structure. The upper surface of the water distributor is distributed with flushing nozzles. The backwash sewage outlet passes through the backwash sewage pipe and The backwash drain valve returns to the top of the ramp.
进一步，好氧池的出口管路上设有COD检测仪，好氧池的出口管路经过COD检测仪后分为两路，一路与第二沉淀池连接，另一路通过回流管道、回流阀及回流泵回流至厌氧池。Further, a COD detector is installed on the outlet pipeline of the aerobic tank. The outlet pipeline of the aerobic tank is divided into two channels after passing through the COD detector. The pump returns to the anaerobic tank.
进一步，污泥池的上清液通过管道与集水池连接。Further, the supernatant of the sludge tank is connected to the sump through a pipeline.
本实用新型有益效果在于：The beneficial effects of the utility model are:
1、通过设置斜网可起到初步拦截的作用，减少无效污泥的带入，1. By setting the inclined net, it can play the role of preliminary interception and reduce the introduction of invalid sludge.
2、通过设置油水分离池可将油污排除，减轻后续污染处理的负荷；2. By setting the oil-water separation tank, the oil pollution can be removed and the load of subsequent pollution treatment can be reduced;
3、通过设置第二pH调节池，可调节pH值，适应后续厌氧菌与好氧菌的工作环境中；3. By setting the second pH adjustment tank, the pH value can be adjusted to adapt to the working environment of the subsequent anaerobic bacteria and aerobic bacteria;
4、在好氧池的出口管路上设置了COD检测仪及回流管道，可防止COD指数不达标外排，4. A COD detector and a return pipeline are set on the outlet pipeline of the aerobic tank to prevent the COD index from being discharged outside the standard.
5、纤维球过滤器第二沉淀池通过管道、反冲洗泵、反冲阀与反冲洗进水管连接可对纤维球过滤器进行反冲洗，反冲洗后的污水通过反冲洗排污口、反冲洗排污管返回至斜网上方，节约了水源，提高了水源的利用率。5. The second sedimentation tank of the fiber ball filter can backwash the fiber ball filter through the connection of the pipeline, the backwash pump, the backwash valve and the backwash inlet pipe. The backwashed sewage passes through the backwash discharge port and backwash discharge. The pipe is returned to the top of the inclined net, which saves the water source and improves the utilization rate of the water source.
6、第一pH调节池、絮凝反应池、第一沉淀池、第二沉淀池以及MBR膜过滤池的污泥经压滤机压滤后，滤液返回污泥池，污泥池的上清液通过管道返回集水池，滤饼外运，减少了水体的二次污染。6. After the sludge in the first pH adjustment tank, the flocculation reaction tank, the first sedimentation tank, the second sedimentation tank and the MBR membrane filter tank is filtered by the filter press, the filtrate is returned to the sludge tank, and the supernatant of the sludge tank The filter cake is returned to the sump through the pipeline, and the filter cake is transported out, which reduces the secondary pollution of the water body.
附图说明Description of drawings
图1是本实用新型较佳实施例的结构示意图；Fig. 1 is the structural representation of the preferred embodiment of the present utility model;
图2是本实用新型较佳实施例中纤维球过滤器的结构示意图；Fig. 2 is the structural representation of the fiber ball filter in the preferred embodiment of the present utility model;
图中，集水池1，斜网2，收集池3，油水分离池4，排油管41，第一pH调节池5，絮凝反应池6，第一沉淀池7，纤维球过滤器8，第二pH调节池9，厌氧池10，兼氧池11，好氧池12，第二沉淀池13，MBR膜过滤池14，消毒池15，回用水池16，压滤机17，污泥池18，鼓风机19，COD检测仪20，罐体81，进水口82、出水口83, 反冲洗排污口84，上网板85，下网板86，反冲洗进水管87，布水器88，冲洗喷头89，纤维球滤料90，人孔91，支撑腿92，污水泵100，泵101，污泥泵102，进液泵103，回流泵104，反冲洗泵105，平板膜过滤器140，第一加药混合器200，第二加药混合器201，第三加药混合器202，排污阀300，进液阀301, 反冲阀302，排液阀303，出液阀304，回流阀305，反冲洗排污阀306，反冲洗排污管400，反冲洗进口管401，回流管道402，污泥总管500。In the figure, the collection tank 1, the inclined net 2, the collection tank 3, the oil-water separation tank 4, the oil discharge pipe 41, the first pH adjustment tank 5, the flocculation reaction tank 6, the first sedimentation tank 7, the fiber ball filter 8, the second pH adjustment tank 9, anaerobic tank 10, facultative tank 11, aerobic tank 12, second sedimentation tank 13, MBR membrane filter tank 14, disinfection tank 15, recycling tank 16, filter press 17, sludge tank 18 , blower 19, COD detector 20, tank 81, water inlet 82, water outlet 83, backwash sewage outlet 84, upper screen 85, lower screen 86, backwash inlet pipe 87, water distributor 88, rinse nozzle 89 , fiber ball filter material 90, manhole 91, support leg 92, sewage pump 100, pump 101, sludge pump 102, liquid feed pump 103, return pump 104, backwash pump 105, flat membrane filter 140, first add Medicinal mixer 200, second dosing mixer 201, third dosing mixer 202, blowdown valve 300, liquid inlet valve 301, backflush valve 302, liquid discharge valve 303, liquid outlet valve 304, return valve 305, reverse Flush the blowdown valve 306 , the backwash blowdown pipe 400 , the backwash inlet pipe 401 , the return pipe 402 , and the sludge main pipe 500 .
具体实施方式Detailed ways
为了使本实用新型实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本实用新型。In order to make it easy to understand the technical means, creation features, achievement goals and effects realized by the present invention, the present invention will be further described below with reference to the specific figures.
实施例1，参见图1和图2所示的一种污水处理系统，包括集水池1、第一pH调节池5、絮凝反应池6、第一沉淀池7、纤维球过滤器8、厌氧池10、兼氧池11、好氧池12、第二沉淀池13、MBR膜过滤池14、消毒池15、回用水池16和污泥处理系统，集水池1与第一pH调节池5之间设有油水分离池4，油水分离池4的上部设有斜网2，油水分离池4的上部一侧设有排油管41，油水分离池4的进口侧设有对应斜网2出口的收集池3，油水分离池4的出口通过泵101与第一pH调节池5进口连接，油水分离池4与第一pH调节池5连接的管道上设有第一加药混合器200，第一pH调节池5的出口与絮凝反应池6的进口连接，第一pH调节池5与絮凝反应池6连接的管道上设有第二加药混合器201，絮凝反应池6的出口与第一沉淀池7的进口连接，第一沉淀池7的出口经进液泵103及进液阀301与纤维球过滤器8的进水口连接，纤维球过滤器8的出水口经排液阀303与厌氧池10的进口连接，厌氧池10的出口与兼氧池11的进口连接，兼氧池11的出口与好氧池12，好氧池12内设有曝气管，曝气管道与鼓风机19连接，好氧池12的出口与第二沉淀池13进口连接，第二沉淀池13的出口与MBR膜过滤池14的进口连接，MBR膜过滤池14内设有平板膜过滤器140，MBR膜过滤池14的出口经消毒池15与回用水池16连接，消毒池15内设有紫外线杀菌灯；所述污泥处理系统包括压滤机17、污泥池18、污泥泵102和污泥总管500，第一pH调节池5的排污口、絮凝反应池6的排污口、第一沉淀池7的排污口、第二沉淀池13的排污口以及MBR膜过滤池14的排污口分别通过污泥支管及排污阀300与污泥总管500连接，污泥总管500的出口经污泥泵102与污泥池18的入口连接，污泥池18的出口经泵泵送至压滤机17，压滤机17的滤液出口经管道与污泥池18的入口连接。Example 1, referring to a sewage treatment system shown in FIG. 1 and FIG. 2, including a water collection tank 1, a first pH adjustment tank 5, a flocculation reaction tank 6, a first sedimentation tank 7, a fiber ball filter 8, an anaerobic Tank 10, facultative oxygen tank 11, aerobic tank 12, second sedimentation tank 13, MBR membrane filter tank 14, disinfection tank 15, reuse tank 16 and sludge treatment system, between the collection tank 1 and the first pH adjustment tank 5 There is an oil-water separation pool 4 in between, the upper part of the oil-water separation pool 4 is provided with an inclined screen 2, an oil discharge pipe 41 is provided on the upper side of the oil-water separation pool 4, and the inlet side of the oil-water separation pool 4 is provided with a collector corresponding to the outlet of the inclined screen 2. Pool 3, the outlet of the oil-water separation pool 4 is connected to the inlet of the first pH adjustment pool 5 through the pump 101, and the pipeline connecting the oil-water separation pool 4 and the first pH adjustment pool 5 is provided with a first dosing mixer 200, the first pH The outlet of the adjustment tank 5 is connected with the inlet of the flocculation reaction tank 6, the pipeline connecting the first pH adjustment tank 5 and the flocculation reaction tank 6 is provided with a second dosing mixer 201, and the outlet of the flocculation reaction tank 6 is connected with the first sedimentation tank. 7 is connected to the inlet, the outlet of the first sedimentation tank 7 is connected to the water inlet of the fiber ball filter 8 through the liquid inlet pump 103 and the liquid inlet valve 301, and the water outlet of the fiber ball filter 8 is connected to the anaerobic tank through the drain valve 303. The inlet of 10 is connected, the outlet of the anaerobic tank 10 is connected with the inlet of the facultative aerobic tank 11, the outlet of the facultative aerobic tank 11 is connected with the aerobic tank 12, and an aeration pipe is arranged in the aerobic tank 12, and the aeration pipe is connected with the blower 19. , the outlet of the aerobic tank 12 is connected to the inlet of the second sedimentation tank 13, the outlet of the second sedimentation tank 13 is connected to the inlet of the MBR membrane filter tank 14, the MBR membrane filter tank 14 is provided with a flat membrane filter 140, and the MBR membrane filter The outlet of the pool 14 is connected to the reuse pool 16 through the disinfection pool 15, and the disinfection pool 15 is provided with an ultraviolet sterilization lamp; the sludge treatment system includes a filter press 17, a sludge pool 18, a sludge pump 102 and a sludge main pipe 500, the sewage outlet of the first pH adjustment tank 5, the sewage outlet of the flocculation reaction tank 6, the sewage outlet of the first sedimentation tank 7, the sewage outlet of the second sedimentation tank 13 and the sewage outlet of the MBR membrane filter tank 14 respectively pass through the sludge. The branch pipe and the sewage valve 300 are connected with the sludge main pipe 500, the outlet of the sludge main pipe 500 is connected with the inlet of the sludge tank 18 through the sludge pump 102, and the outlet of the sludge tank 18 is pumped to the filter press 17 by the pump, and the filter press The filtrate outlet of the machine 17 is connected to the inlet of the sludge tank 18 through a pipeline.
进一步，所述纤维球过滤器8与厌氧池10之间设有第二pH调节池9，第二pH调节池9与纤维球过滤器8连接的管路上设有排液阀303及第三加药混合器202。Further, a second pH adjustment tank 9 is provided between the fiber ball filter 8 and the anaerobic tank 10, and a drain valve 303 and a third pH adjustment tank 9 are provided on the pipeline connecting the second pH adjustment tank 9 and the fiber ball filter 8. Dosing mixer 202.
进一步，所述纤维球过滤器包括罐体81，罐体81的上部一侧设有进水口82，另一侧设有反冲洗排污口84，罐体81的顶部设有反冲洗进水管87，底部设有出水口83, 罐体81的上部一侧设有人孔91，罐体81的底部设有支撑腿92，所述罐体81内部的上下分别设有上网板85及下网板86，上网板85与下网板86之间为纤维球滤料填料层，纤维球滤料填料层内设有纤维球滤料90，反冲洗进水管87的一端从上到下依次穿过上网板85、纤维球滤料填料层及下网板86连接有布水器88，回用水池16通过管道、反冲洗泵105、反冲阀302与反冲洗进水管87的另一端连接，布水器88为圆形结构，布水器88的上表面分布有冲洗喷头89，反冲洗排污口84通过反冲洗排污管400及反冲洗排污阀306返回至斜网2上方。Further, the fiber ball filter includes a tank body 81, the upper side of the tank body 81 is provided with a water inlet 82, the other side is provided with a backwash sewage outlet 84, and the top of the tank body 81 is provided with a backwash water inlet pipe 87, The bottom is provided with a water outlet 83, the upper side of the tank body 81 is provided with a manhole 91, the bottom of the tank body 81 is provided with a support leg 92, and the upper and lower parts of the tank body 81 are respectively provided with an upper screen 85 and a lower screen 86, Between the upper screen plate 85 and the lower screen plate 86 is a fiber ball filter material packing layer, the fiber ball filter material filler layer is provided with a fiber ball filter material 90, and one end of the backwash water inlet pipe 87 passes through the upper screen plate 85 from top to bottom. , The fiber ball filter material packing layer and the lower screen plate 86 are connected with a water distributor 88, and the return water tank 16 is connected with the other end of the backwash water inlet pipe 87 through the pipeline, the backwash pump 105, and the backwash valve 302. The water distributor 88 The water distributor 88 has a circular structure, and the upper surface of the water distributor 88 is distributed with flushing nozzles 89 , and the backwashing sewage outlet 84 is returned to the top of the inclined screen 2 through the backwashing sewage pipe 400 and the backwashing sewage valve 306 .
进一步，好氧池12的出口管路上设有COD检测仪20，好氧池12的出口管路经过COD检测仪20后分为两路，一路与第二沉淀池13连接，另一路通过回流管道402、回流阀305及回流泵104回流至厌氧池10。Further, the outlet pipeline of the aerobic tank 12 is provided with a COD detector 20, and the outlet pipeline of the aerobic tank 12 is divided into two paths after passing through the COD detector 20, one path is connected to the second sedimentation tank 13, and the other path passes through the return pipeline. 402 , the return valve 305 and the return pump 104 return to the anaerobic tank 10 .
进一步，污泥池18的上清液通过管道与集水池1连接。Further, the supernatant of the sludge tank 18 is connected to the sump 1 through a pipeline.
本实用新型污水处理过程如下：The sewage treatment process of the present utility model is as follows:
污水通过格栅后自流流入集水池1，污水通过污水泵100提至斜网2上端的水槽并由水槽横向分布流到斜网上，斜网过滤出的较大物体滑入收集池3收集，从而起到初步拦截的作用，污水则透过斜网2的网孔落入油水分离池3，油水分离池将油和水进一步分离，油污则通过排油管41排至油污收集桶进行收集，污水则通过泵101进入第一pH调节池5可在第一加药混合器200内加药混合后进入第一pH调节池5，起到初步调节pH值的作用，污水进入絮凝反应池6，可在第二加药混合器201内添加混凝剂（PAC、PAM）在混凝剂（PAC、PAM）的作用下，使污水中的胶体和细微悬浮物凝聚成絮凝体，予以分离，然后污水进入第一沉淀池7沉淀，沉淀后的上清液进入纤维球过滤器8，以去除污水中的悬浮物；纤维球过滤器8过滤后的污水进入第二pH调节池9，可在第三加药混合器202内加药混合后进入第二pH调节池9，由于采取生物处理， ph值直接影响到微生物活性，不管厌氧还是好氧菌种，最佳生活状态就是在中性环境，也就是7左右，偏酸、偏碱都会造成微生物活性降低，抑制微生物对有机物的降解能力，因此，将pH值调节并控制在6.5～7.5，以适应后续厌氧菌与好氧菌的工作环境中，污水经过厌氧池10，兼氧池11，好氧池12 在此期间进行生化反应能有效脱氮，破坏有机物结构，达到降低COD的目的，为了防止COD指数不达标外排，在好氧池12的出口管路上设置了COD检测仪20，当COD检测仪20检测合格后可将污水进一步导入第二沉淀池13，如不合格可通过回流管道402、回流阀305及回流泵104回流至厌氧池10，第二沉淀池13的上清液进入MBR膜过滤池14过滤，平板膜过滤器140可以有效拦截及过滤难降解的有机物及杂质，起到进一步净化水质的目的，经过MBR膜过滤池14水经过消毒池15，在紫外线杀菌灯的作用下杀灭细菌，之后流入回用水池16待用。值得注意的是回用水池16通过管道、反冲洗泵105、反冲阀302与反冲洗进水管87连接可对纤维球过滤器进行反冲洗，正常使用时进液泵103、进液阀301开启，反冲洗排污阀306、反冲洗泵105及反冲阀302关闭；污水由进水口82自上而下进入罐体81通过纤维球滤料90过滤后由出水口83排至第二pH调节池9；反冲洗时关闭进液泵103、进液阀301及排液阀303，开启反冲洗排污阀306、反冲洗泵105及反冲阀302，回用水池16内的水通过反冲洗进口管401进入布水器88由冲洗喷头89喷出，实现反清洗，反冲洗后的污水通过反冲洗排污口84、反冲洗排污管400返回至斜网2上方，节约了水源；各阶段产生的污泥均可通过污泥支管及排污阀300与污泥总管500连接，经压滤机压滤后，滤液返回污泥池18，污泥池18的上清液通过管道返回集水池1，滤饼外运，可有效减少水体的二次污染。After passing through the grille, the sewage flows into the collecting tank 1, and the sewage is lifted to the water tank at the upper end of the inclined net 2 through the sewage pump 100, and then flows laterally to the inclined net from the water tank. Playing the role of preliminary interception, the sewage falls into the oil-water separation tank 3 through the mesh of the inclined net 2, the oil-water separation tank further separates the oil and water, and the oil is discharged to the oil-stain collection bucket through the oil discharge pipe 41 for collection, and the sewage is collected. Entering the first pH adjustment tank 5 through the pump 101 can enter the first pH adjustment tank 5 after adding and mixing in the first dosing mixer 200, which plays the role of preliminarily adjusting the pH value. The sewage enters the flocculation reaction tank 6, and can be Coagulants (PAC, PAM) are added in the second dosing mixer 201, under the action of the coagulants (PAC, PAM), the colloids and fine suspended solids in the sewage are agglomerated into flocs, which are separated, and then the sewage enters The first sedimentation tank 7 settles, and the precipitation supernatant enters the fiber ball filter 8 to remove the suspended matter in the sewage; the sewage filtered by the fiber ball filter 8 enters the second pH adjustment tank 9, and can be added in the third After adding medicine and mixing in the medicine mixer 202, it enters the second pH adjustment tank 9. Due to the biological treatment, the pH value directly affects the activity of microorganisms. Regardless of anaerobic or aerobic bacteria, the best living state is in a neutral environment. It is about 7, partial acid and partial alkali will reduce the activity of microorganisms and inhibit the ability of microorganisms to degrade organic matter. Therefore, the pH value should be adjusted and controlled at 6.5 to 7.5 to adapt to the working environment of subsequent anaerobic bacteria and aerobic bacteria. , the sewage passes through the anaerobic tank 10, the facultative aerobic tank 11, and the aerobic tank 12. During this period, the biochemical reaction can effectively denitrify, destroy the organic structure, and achieve the purpose of reducing COD. A COD detector 20 is installed on the outlet pipeline of the tank 12. When the COD detector 20 is qualified, the sewage can be further introduced into the second sedimentation tank 13. The anaerobic tank 10 and the supernatant of the second sedimentation tank 13 enter the MBR membrane filter tank 14 for filtration. The flat membrane filter 140 can effectively intercept and filter refractory organic matter and impurities, and further purify the water quality. The water in the filter tank 14 passes through the disinfection tank 15, kills bacteria under the action of the ultraviolet germicidal lamp, and then flows into the recycling tank 16 for use. It is worth noting that the return water tank 16 can be connected to the backwash inlet pipe 87 through the pipeline, the backwash pump 105 and the backwash valve 302 to backwash the fiber ball filter. During normal use, the liquid inlet pump 103 and the liquid inlet valve 301 are opened. , the backwash drain valve 306, the backwash pump 105 and the backwash valve 302 are closed; the sewage enters the tank 81 from top to bottom from the water inlet 82 and is filtered by the fiber ball filter material 90, and then discharged from the water outlet 83 to the second pH adjustment tank 9; during backwashing, close the liquid inlet pump 103, the liquid inlet valve 301 and the liquid discharge valve 303, open the backwashing sewage valve 306, the backwashing pump 105 and the backwash valve 302, and the water in the reuse pool 16 passes through the backwash inlet pipe 401 enters the water distributor 88 and is sprayed out by the flushing nozzle 89 to realize backwashing. The backwashed sewage returns to the top of the inclined net 2 through the backwashing sewage outlet 84 and the backwashing sewage pipe 400, saving water sources; The sludge can be connected to the sludge main pipe 500 through the sludge branch pipe and the sewage valve 300. After being filtered by the filter press, the filtrate is returned to the sludge tank 18, and the supernatant of the sludge tank 18 is returned to the collection tank 1 through the pipeline, and the filter cake Outbound transportation can effectively reduce the secondary pollution of water bodies.
以上显示和描述了本实用新型的基本原理和主要特征和本实用新型的优点。本行业的技术人员应该了解，本实用新型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说明本实用新型的原理，在不脱离本实用新型精神和范围的前提下，本实用新型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实用新型范围内。本实用新型要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. 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 only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.
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