CN206751619U - A kind of sanitary sewage and production wastewater comprehensive treatment system - Google Patents
A kind of sanitary sewage and production wastewater comprehensive treatment system Download PDFInfo
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biological Treatment Of Waste Water (AREA)
Abstract
本实用新型公开了一种生活污水和生产废水综合处理系统，其特征在于，包括依次通过管道连接的第一调节池、催化氧化塔、第二调节池、缺氧生物处理池、好氧生物处理池及MBR池，其中第一调节池和第二调节池分别接入生产废水和生活污水，第一调节池的出水口与催化氧化塔的进水口通过管道连接，催化氧化塔的出水口与第二调节池的进水口通过管道连接，采用了“催化氧化、A/O+MBR”处理工艺，使用该工艺处理效率高，出水水质优良稳定，处理出水不含SS，极其清澈，感观好，可直接作为生活杂用水回用。
The utility model discloses a comprehensive treatment system for domestic sewage and production wastewater, which is characterized in that it comprises a first adjustment pool, a catalytic oxidation tower, a second adjustment pool, an anoxic biological treatment pool, and an aerobic biological treatment pool connected sequentially through pipelines. pool and MBR pool, wherein the first regulating pool and the second regulating pool are respectively connected to production wastewater and domestic sewage, the outlet of the first regulating pool is connected to the water inlet of the catalytic oxidation tower through pipelines, and the outlet of the catalytic oxidation tower is connected to the second The water inlet of the second adjustment tank is connected by pipelines, and the "catalytic oxidation, A/O+MBR" treatment process is adopted. Using this process, the treatment efficiency is high, the effluent water quality is excellent and stable, and the effluent does not contain SS, which is extremely clear and has a good appearance. It can be directly reused as domestic miscellaneous water.
Description
技术领域technical field
本实用新型涉及污水处理技术领域，具体涉及一种生活污水和生产废水综合处理系统。The utility model relates to the technical field of sewage treatment, in particular to a comprehensive treatment system for domestic sewage and production wastewater.
背景技术Background technique
随着经济的飞速发展，各地企业越来越多，污水处理成为各个企业及政府急需解决的一大问题。现有的污水处理系统，存在处理系统单一，不能多元化处理污水,结构复杂，成本高，污水处理不彻底的不足。With the rapid development of the economy, there are more and more enterprises all over the country, and sewage treatment has become a major problem that enterprises and governments urgently need to solve. The existing sewage treatment system has the disadvantages of single treatment system, inability to handle sewage in multiple ways, complex structure, high cost and incomplete sewage treatment.
因此，现有技术还需要进一步改进和发展。Therefore, prior art also needs further improvement and development.
实用新型内容Utility model content
本实用新型的目的是为了提供一种生活污水和生产废水综合处理系统,旨在解决生活污水和生产废水综合处理系统处理效率低，出水水质不稳定，剩余污泥含量高，投资成本跟运行成本高的问题。The purpose of this utility model is to provide a comprehensive treatment system for domestic sewage and production wastewater, which aims to solve the problems of low treatment efficiency, unstable effluent quality, high residual sludge content, investment cost and operating cost of the comprehensive treatment system for domestic sewage and production wastewater. high question.
所采用的技术方案为：The technical solutions adopted are:
一种生活污水和生产废水综合处理系统，其中，包括依次通过管道连接的第一调节池、催化氧化塔、第二调节池、缺氧生物处理池、好氧生物处理池及MBR池，其中，第一调节池和第二调节池分别接入生产废水和生活污水，第一调节池的出水口与催化氧化塔的进水口通过管道连接，催化氧化塔的出水口与第二调节池的进水口通过管道连接，第二调节池的出水口与缺氧生物处理池的进水口通过管道连接，缺氧生物处理池的出水口与好氧生物处理池的进水口通过管道连接，好氧生物处理池的出水口与MBR池的进水口通过管道连接。A comprehensive treatment system for domestic sewage and production wastewater, which includes a first regulating tank, a catalytic oxidation tower, a second regulating tank, an anoxic biological treatment tank, an aerobic biological treatment tank and an MBR tank connected sequentially through pipelines, wherein, The first adjustment tank and the second adjustment tank are respectively connected to production wastewater and domestic sewage. The outlet of the first adjustment tank is connected to the water inlet of the catalytic oxidation tower through pipelines, and the water outlet of the catalytic oxidation tower is connected to the water inlet of the second adjustment tank. Connected by pipeline, the water outlet of the second regulating tank is connected with the water inlet of the anoxic biological treatment tank through pipelines, the water outlet of the anoxic biological treatment tank is connected with the water inlet of the aerobic biological treatment tank through pipelines, and the aerobic biological treatment tank is connected with the water inlet of the aerobic biological treatment tank The water outlet of the tank is connected with the water inlet of the MBR pool through pipelines.
所述的生活污水和生产废水综合处理系统，其中，还包括污泥池，所述污泥池的排入口与MBR池的污泥排出口通过管道连接，所述污泥池内设置有用于污泥外排的排泥泵，污泥通过排泥口排出。The comprehensive treatment system for domestic sewage and production wastewater, wherein it also includes a sludge tank, the discharge inlet of the sludge tank is connected with the sludge discharge outlet of the MBR tank through a pipeline, and the sludge tank is provided with a The sludge discharge pump is used for external discharge, and the sludge is discharged through the sludge discharge port.
所述的生活污水和生产废水综合处理系统，其中，所述第一调节池和第二调节池内均设置有用于分离大粒径颗粒杂物的提篮格栅和用于均质的潜水搅拌机。The comprehensive treatment system for domestic sewage and production wastewater, wherein, the first adjustment tank and the second adjustment tank are both equipped with a basket grid for separating large particle size impurities and a submersible mixer for homogenization.
所述的生活污水和生产废水综合处理系统，其中，所述催化氧化塔连接用于产生强氧化基团的高能离子发生器。In the comprehensive treatment system for domestic sewage and production wastewater, the catalytic oxidation tower is connected with a high-energy ion generator for generating strong oxidizing groups.
所述的生活污水和生产废水综合处理系统，其中，所述好氧生物处理池与缺氧生物处理池之间设置有回流管道，所述好氧生物处理池的回流出口通过回流管道连接缺氧生物处理池的回流入口。The comprehensive treatment system for domestic sewage and production wastewater, wherein a return pipeline is provided between the aerobic biological treatment tank and the anoxic biological treatment tank, and the return outlet of the aerobic biological treatment tank is connected to the anoxic biological treatment tank through the return pipeline. The return inlet of the treatment pool.
所述的生活污水和生产废水综合处理系统，其中，所述好氧生物处理池设置有第一曝气器，采用微孔曝气方式，所述缺氧生物处理池中设置有第二曝气器，采用穿孔曝气方式。The comprehensive treatment system for domestic sewage and production wastewater, wherein the aerobic biological treatment tank is provided with a first aerator, which adopts a microporous aeration method, and the anoxic biological treatment tank is provided with a second aerator The device adopts the perforated aeration method.
所述的生活污水和生产废水综合处理系统，其中，所述缺氧生物处理池和好氧生物处理池的池中均铺设有弹性填料，弹性填料的填装体积分别占缺氧生物处理池和好氧生物处理池的池体体积的75％。The comprehensive treatment system for domestic sewage and production wastewater, wherein elastic fillers are laid in the pools of the anoxic biological treatment tank and the aerobic biological treatment tank, and the filling volumes of the elastic fillers respectively account for the anoxic biological treatment tank and the aerobic biological treatment tank. 75% of the tank volume of the aerobic biological treatment tank.
所述的生活污水和生产废水综合处理系统，其中，所述MBR池中设置MBR膜组件，MBR膜组件由PVDF膜组成。In the comprehensive treatment system for domestic sewage and production wastewater, an MBR membrane module is set in the MBR pool, and the MBR membrane module is composed of PVDF membranes.
所述的生活污水和生产废水综合处理系统，其中，MBR池的出水口连接出水管道，出水管道上设置有自吸泵。In the comprehensive treatment system for domestic sewage and production wastewater, the water outlet of the MBR pool is connected to an outlet pipeline, and a self-priming pump is arranged on the outlet pipeline.
有益效果：本实用新型提供一种新型生活污水和生产废水综合处理系统，采用了“催化氧化、A/O+MBR”处理工艺，使用该工艺处理效率高，出水水质优良稳定，处理出水不含SS，极其清澈，感观好，可直接作为生活杂用水回用；生产废水与生活污水分开处理，保证了两种污水水质水量的稳定，为微生物提供一个适宜稳定的环境，减少废水对生化系统的冲击负荷；工程采用地埋式钢砼结构池体与地上式碳钢结构池体相结合的布置形式，以有效减少池体及设备的占地面积，节省用地；运行灵活，物化、生化系统内对水质水量的变化适应性增强；易于完全实现自动化，无需专人负责运行维护；剩余污泥产量低，节省投资成本及运行成本。Beneficial effects: the utility model provides a new type of comprehensive treatment system for domestic sewage and production wastewater, which adopts the "catalytic oxidation, A/O+MBR" treatment process, which has high treatment efficiency, excellent and stable effluent quality, and the treated effluent does not contain SS, extremely clear, good in appearance, can be directly reused as domestic miscellaneous water; separate treatment of production wastewater and domestic sewage ensures the stability of the water quality and quantity of the two kinds of sewage, provides a suitable and stable environment for microorganisms, and reduces the impact of wastewater on biochemical systems. The impact load; the project adopts the layout of the buried steel concrete structure pool body and the above-ground carbon steel structure pool body to effectively reduce the floor area of the pool body and equipment and save land; the operation is flexible, and the physical, chemical and biochemical systems The internal adaptability to changes in water quality and quantity is enhanced; it is easy to fully realize automation, and no special person is required to be responsible for operation and maintenance; the output of excess sludge is low, saving investment costs and operating costs.
附图说明Description of drawings
图1是本实用新型具体实施例中生活污水和生产废水综合处理系统的结构示意图。Fig. 1 is a schematic structural view of a comprehensive treatment system for domestic sewage and production wastewater in a specific embodiment of the present invention.
具体实施方式detailed description
为使本实用新型的目的、技术方案及优点更加清楚、明确，以下参照附图并举实施例对本实用新型进一步详细说明。In order to make the purpose, technical solution and advantages of the utility model more clear and definite, the utility model will be further described in detail below with reference to the accompanying drawings and examples.
如图1所示的生活污水和生产废水综合处理系统，其中，包括依次通过管道连接的第一调节池100、催化氧化塔200、第二调节池300、缺氧生物处理池400、好氧生物处理池500及MBR池600，其中，第一调节池100和第二调节200池分别接入生产废水和生活污水，第一调节池100的出水口与催化氧化塔200的进水口通过管道连接，催化氧化塔200的出水口与第二调节池300的进水口通过管道连接，第二调节池300的出水口与缺氧生物处理池400的进水口通过管道连接，缺氧生物处理池400的出水口与好氧生物处理池500的进水口通过管道连接，好氧生物处理池500的出水口与MBR池600的进水口通过管道连接，MBR池的出水口连接出水管道，出水管道上设置有自吸泵800。其中，所述催化氧化塔200连接高能离子发生器210，用于产生强氧化基团。The comprehensive treatment system for domestic sewage and production wastewater as shown in Figure 1, which includes a first adjustment tank 100, a catalytic oxidation tower 200, a second adjustment tank 300, an anoxic biological treatment tank 400, an aerobic biological The treatment pool 500 and the MBR pool 600, wherein the first regulating pool 100 and the second regulating pool 200 are respectively connected to production wastewater and domestic sewage, and the water outlet of the first regulating pool 100 is connected to the water inlet of the catalytic oxidation tower 200 through a pipeline, The water outlet of the catalytic oxidation tower 200 is connected with the water inlet of the second regulating tank 300 by a pipeline, the water outlet of the second regulating tank 300 is connected with the water inlet of the anoxic biological treatment tank 400 by a pipeline, and the outlet of the anoxic biological treatment tank 400 is connected by a pipeline. The water inlet is connected with the water inlet of the aerobic biological treatment pool 500 through pipelines, the water outlet of the aerobic biological treatment pool 500 is connected with the water inlet of the MBR pool 600 through pipelines, and the water outlet of the MBR pool is connected with the water outlet pipeline, and the water outlet pipeline is provided with automatic Suction pump 800. Wherein, the catalytic oxidation tower 200 is connected with a high-energy ion generator 210 for generating strong oxidizing groups.
所述的生活污水和生产废水综合处理系统，其中，还包括内设置有用于污泥外排的排泥泵710的污泥池700，所述污泥池700的排入口与MBR池600的污泥排出口通过管道连接，污泥集中通过排泥口720排出。The comprehensive treatment system for domestic sewage and production wastewater, wherein it also includes a sludge tank 700 with a sludge pump 710 for sludge discharge. The mud discharge port is connected through a pipeline, and the sludge is concentrated and discharged through the mud discharge port 720 .
污泥池用于存储来自MBR的剩余污泥，MBR池定时排泥排入污泥池，经重力浓缩后，剩余污泥由污泥泵定期外排、外运(每年1～2次)或作为厂区绿化肥料。所述MBR池中设置MBR膜组件610，该池为本污水处理的核心部分，在有机负荷较低的情况下，通过MBR膜的截留作用，在氧量充足的条件下大量的硝化菌降解污水中的氨氮，同时通过核心部件MBR膜组件的截留作用使污水中的COD值降低到更低的水平，使污水得以净化。MBR膜组件由PVDF膜组成，MBR又称膜生物反应器，是一种由膜分离单元与生物处理单元相结合的新型水处理技术，PVDF膜具有对液体的高渗透性及较高的坚韧度与良好的耐热性。The sludge tank is used to store the excess sludge from the MBR, and the sludge from the MBR tank is regularly discharged into the sludge tank. After being concentrated by gravity, the excess sludge is regularly discharged and transported by the sludge pump (1 to 2 times a year) or As a green fertilizer in the factory area. The MBR membrane module 610 is set in the MBR pool, which is the core part of the sewage treatment. When the organic load is low, a large number of nitrifying bacteria degrade the sewage under the condition of sufficient oxygen through the retention of the MBR membrane. At the same time, the COD value in the sewage is reduced to a lower level through the interception of the core component MBR membrane module, so that the sewage can be purified. MBR membrane components are composed of PVDF membranes. MBR, also known as membrane bioreactor, is a new type of water treatment technology that combines membrane separation units and biological treatment units. PVDF membranes have high permeability to liquids and high toughness. with good heat resistance.
具体实施例中，所述第一调节池100和第二调节池300内均设置有用于分离大粒径颗粒杂物的提篮格栅和用于均质的潜水搅拌机110与310，潜水搅拌机可以加强搅拌功能，防止污泥沉淀。In a specific embodiment, both the first regulating tank 100 and the second regulating tank 300 are provided with basket grills for separating large-size particle impurities and submersible mixers 110 and 310 for homogenization, and the submersible mixers can be strengthened Stirring function to prevent sludge sedimentation.
进一步的，所述好氧生物处理池500与缺氧生物处理池400之间设置有回流管道，所述好氧生物处理池的回流出口通过回流管道连接缺氧生物处理池的回流入口。废水经调节池后，统一进入缺氧池，有机物在此得到部分降解，同时通过回流的NO2-、NO3-在硝化菌的作用下，可进行部分硝化、反硝化，达到脱氮的目的。Further, a return pipeline is provided between the aerobic biological treatment tank 500 and the anoxic biological treatment tank 400, and the return flow outlet of the aerobic biological treatment tank is connected to the return flow inlet of the anoxic biological treatment tank through the return pipeline. After the wastewater passes through the regulating tank, it enters the anoxic tank uniformly, where the organic matter is partially degraded. At the same time, the returned NO2- and NO3- can be partially nitrified and denitrified under the action of nitrifying bacteria to achieve the purpose of denitrification.
优选实施例中，所述好氧生物处理池500设置有第一曝气器510，采用微孔曝气方式，防止大颗粒泥沙沉积，并可去除部分有机物。在曝气阶段利用生物池中大量繁殖的活性污泥中微生物以及硝化菌群、聚磷菌，降解或吸附水中含碳、氨氮、磷有机污染物质，以达到净化水质的目的。好氧池内设置微孔曝气头，向好氧池供氧。所述缺氧生物处理池400中设置有第二曝气器410，采用穿孔曝气方式。In a preferred embodiment, the aerobic biological treatment tank 500 is provided with a first aerator 510, which adopts a microporous aeration method to prevent the deposition of large particles of sediment and remove some organic matter. In the aeration stage, the microorganisms, nitrifying bacteria, and phosphorus accumulating bacteria in the activated sludge proliferated in the biological pool are used to degrade or adsorb organic pollutants containing carbon, ammonia nitrogen, and phosphorus in the water, so as to achieve the purpose of purifying water quality. A microporous aeration head is set in the aerobic pool to supply oxygen to the aerobic pool. The anoxic biological treatment tank 400 is provided with a second aerator 410, which adopts a perforated aeration method.
进一步的，所述缺氧生物处理池和好氧生物处理池的池中均铺设有弹性填料，弹性填料的填装体积分别占缺氧生物处理池和好氧生物处理池的池体体积的75％。由于填料的大比表面积，为生物栖息提供了巨大的空间，使得大量微生物得以附着生长，因而可维持生物接触氧化池内较高浓度的生物量。Further, elastic fillers are laid in the pools of the anoxic biological treatment tank and the aerobic biological treatment tank, and the filling volumes of the elastic fillers account for 75% of the volume of the anoxic biological treatment tank and the aerobic biological treatment tank respectively. %. Due to the large specific surface area of the filler, it provides a huge space for biological habitats, allowing a large number of microorganisms to attach and grow, thus maintaining a relatively high concentration of biomass in the biological contact oxidation tank.
下面通过具体实施例对本技术做出具体阐述。The present technology will be described in detail below through specific embodiments.
结合实际的污水排放情况，到某胶带公司污水收集池采集水样，对样本进行检测，并与即环(委监)2015年第213号文件的检测结果对比印证，水质结果见下表。Combined with the actual sewage discharge situation, water samples were collected from the sewage collection pool of a tape company, and the samples were tested, and compared with the test results of Jihuan (Commission Supervision) No. 213 Document in 2015. The water quality results are shown in the table below.
根据设计处理工艺，处理后出水相关指标达到《山东半岛流域水污染物综合排放标准》(DB37/676-2007)中一级标准。处理出水水质以及处理程度见下表，由图表可以看出该工艺处理效率高，出水水质优良稳定，水质得到明显的改善。According to the designed treatment process, the relevant indicators of the treated effluent have reached the first-level standard in the "Comprehensive Discharge Standard of Water Pollutants in the Shandong Peninsula Basin" (DB37/676-2007). See the table below for the treated effluent quality and treatment degree. It can be seen from the chart that the process has high treatment efficiency, the effluent quality is excellent and stable, and the water quality has been significantly improved.
具体实施例中，生活污水由排水系统收集后，进入污水处理系统的生活污水调节池，池内设有提篮格栅，通过格栅去除大粒径颗粒杂物后，进入调节池，进行均质均量调节，调节池中设置潜水搅拌机，生活污水提升泵送至缺氧生物处理池，污水与好氧池回流来的硝化液混合，进行酸化水解和反硝化作用，降低有机物浓度，将硝态氮转换为氮气排放至大气中，去除部分硝态氮，然后污水流入好氧生物处理池进行好氧生化反应，大部分有机污染物通过微生物氧化、降解、生物吸附等作用转化为二氧化碳和水得以去除，污水中氨氮在硝化细菌及亚硝化细菌作用下转化为硝态氮和亚硝态氮，通过回流泵泵至缺氧生物处理池，然后出水自流至MBR池，在高浓度活性污泥的生物作用下，污水中有机物得到进一步降解，经过MBR进行泥水分离后达标排放或回用。生产废水由排水系统收集后，进入污水处理系统的生产废水调节池，池内设有提篮格栅，通过格栅去除大粒径颗粒杂物后，进行均质均量调节，调节池中设置潜水搅拌机，生活污水提升泵送至多相催化氧化反应塔，在反应器中降低废水中COD及色度，使之达到微生物处理的范围，出水排至缺氧生物处理池，与生活污水混合进行生化处理，进一步降低水中的COD及其他污染物，经过好氧生物处理池、MBR池进行处理后达标排放或回用。In a specific embodiment, after the domestic sewage is collected by the drainage system, it enters the domestic sewage regulating tank of the sewage treatment system, and a basket grill is arranged in the pond. A submersible mixer is installed in the adjustment tank, and the domestic sewage is lifted and pumped to the anoxic biological treatment tank. The sewage is mixed with the nitrification liquid returned from the aerobic tank, and the acidification, hydrolysis and denitrification are carried out to reduce the concentration of organic matter and reduce the concentration of nitrate nitrogen. It is converted into nitrogen and discharged into the atmosphere to remove part of the nitrate nitrogen. Then the sewage flows into the aerobic biological treatment tank for aerobic biochemical reaction. Most of the organic pollutants are converted into carbon dioxide and water through microbial oxidation, degradation, and biosorption. , the ammonia nitrogen in the sewage is converted into nitrate nitrogen and nitrite nitrogen under the action of nitrifying bacteria and nitrosifying bacteria, and is pumped to the anoxic biological treatment tank through the reflux pump, and then the effluent flows to the MBR tank by itself. Under the action, the organic matter in the sewage is further degraded, and after the mud-water separation is carried out by the MBR, it is discharged or reused up to the standard. After the production wastewater is collected by the drainage system, it enters the production wastewater adjustment tank of the sewage treatment system. There is a basket grille in the pool. After removing large-size particles and impurities through the grid, the homogeneous and even quantity adjustment is performed. A submersible mixer is installed in the adjustment pool , the domestic sewage is lifted and pumped to the heterogeneous catalytic oxidation reaction tower, the COD and chroma in the wastewater are reduced in the reactor, so that it reaches the range of microbial treatment, the effluent is discharged to the anoxic biological treatment tank, and mixed with domestic sewage for biochemical treatment. Further reduce COD and other pollutants in the water, and discharge or reuse after being treated in the aerobic biological treatment pool and MBR pool.
当理解的是，本实用新型的应用不限于上述的举例，对本领域普通技术人员来说，可以根据上述说明加以改进或变换，所有这些改进和变换都应属于本实用新型所附权利要求的保护范围。It should be understood that the application of the present utility model is not limited to the above examples, and those of ordinary skill in the art can improve or change according to the above description, and all these improvements and changes should belong to the protection of the appended claims of the present utility model scope.
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