CN202519135U - Sewage treatment and sludge concentration integrated system - Google Patents
Sewage treatment and sludge concentration integrated system Download PDFInfo
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- CN202519135U CN202519135U CN2012201692881U CN201220169288U CN202519135U CN 202519135 U CN202519135 U CN 202519135U CN 2012201692881 U CN2012201692881 U CN 2012201692881U CN 201220169288 U CN201220169288 U CN 201220169288U CN 202519135 U CN202519135 U CN 202519135U
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- 239000010802 sludge Substances 0.000 title abstract description 65
- 239000010865 sewage Substances 0.000 title abstract description 27
- 239000012528 membrane Substances 0.000 claims abstract description 74
- 238000005188 flotation Methods 0.000 claims abstract description 68
- 238000000926 separation method Methods 0.000 claims abstract description 41
- 238000005192 partition Methods 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002893 slag Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005273 aeration Methods 0.000 claims description 6
- 238000005276 aerator Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims 1
- 230000004907 flux Effects 0.000 abstract description 5
- 238000007667 floating Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 13
- 238000009300 dissolved air flotation Methods 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000009285 membrane fouling Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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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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Abstract
本实用新型涉及一种污水处理及污泥浓缩一体化系统,包括生物处理池和膜分离池,并连接进水管、污泥回流管及混合液回流管,膜分离池连接出水管,膜分离排泥管,其特征是生物处理池和膜分离池之间增设气浮池,并形成依次通过D、E隔墙分隔的整体池,气浮池内靠近D隔墙设气浮接触区,气浮接触区外部为气浮分离区,气浮池上部设刮渣机、排渣槽,排渣槽的渣槽排泥管连接渣槽污泥排出管,还连接生物处理池;生物处理池通过D隔墙孔道连通气浮池,气浮池通过E隔墙孔道连通膜分离池;气浮接触区、气浮分离区分别设有气浮排泥管。本实用新型的优点:提前浓缩分离悬浮污泥,降低膜污染、提高膜通量、减少运行成本,保护环境。
The utility model relates to an integrated system of sewage treatment and sludge concentration, which comprises a biological treatment tank and a membrane separation tank connected to a water inlet pipe, a sludge return pipe and a mixed liquid return pipe, the membrane separation tank is connected to a water outlet pipe, and the membrane separation drain The mud pipe is characterized in that an air flotation tank is added between the biological treatment tank and the membrane separation tank, and an integral tank is formed sequentially separated by D and E partition walls. An air flotation contact area is set near the D partition wall in the air flotation tank, and the outside of the air flotation contact area It is an air flotation separation area. The upper part of the air flotation tank is equipped with a slag scraper and a slag discharge tank. The slag tank sludge discharge pipe of the slag discharge tank is connected to the sludge discharge pipe of the slag tank and also connected to the biological treatment tank; the biological treatment tank is connected through the D partition wall channel. The aerated floating pool and the air floatation pool are connected to the membrane separation pool through the E partition wall channel; the air floatation contact area and the air floatation separation area are respectively equipped with air floatation mud discharge pipes. The utility model has the advantages of concentrating and separating suspended sludge in advance, reducing membrane pollution, increasing membrane flux, reducing operating costs, and protecting the environment.
Description
技术领域 technical field
本实用新型涉及污水处理技术领域,尤其涉及一种基于MBR污水处理系统的污水处理及污泥浓缩一体化系统。 The utility model relates to the technical field of sewage treatment, in particular to an integrated sewage treatment and sludge concentration system based on an MBR sewage treatment system. the
背景技术 Background technique
膜生物反应器(Membrane Bioreactor,简称MBR)为膜分离技术与生物处理技术有机结合的新型污水处理技术,是一种由膜分离单元与生物处理单元相结合的新型态污水处理系统。经过20多年的研究,膜生物反应器在污水处理方面已取得了很有成效的应用,但还存在以下问题:(1)高额的膜价会使污水处理系统的初期投资过大;(2)运行过程中严重的膜污染将导致膜组件的更换频率过高及能耗过大,从而使运行费用增大;(3)污水处理后,剩余污泥需转移至另一场地进行浓缩处理,设施结构复杂,增加占地成本,同时,在运输及处理过程中,造成泥水及臭气排放,污染环境。 Membrane Bioreactor (MBR for short) is a new type of sewage treatment technology that combines membrane separation technology and biological treatment technology. It is a new type of sewage treatment system that combines membrane separation units and biological treatment units. After more than 20 years of research, membrane bioreactors have achieved very effective applications in sewage treatment, but there are still the following problems: (1) The high membrane price will make the initial investment of the sewage treatment system too large; (2) ) Severe membrane fouling during operation will lead to high replacement frequency of membrane modules and excessive energy consumption, which will increase operating costs; (3) After sewage treatment, the remaining sludge needs to be transferred to another site for concentration treatment, The structure of the facility is complex, which increases the cost of land occupation. At the same time, during the transportation and treatment process, it causes muddy water and odor emissions, polluting the environment. the
而气浮工艺作为污泥浓缩工艺具有泥水分离效率好、浓缩污泥浓度高的优点。能否将气浮工艺结合到膜生物反应器中,并将污泥浓缩工艺提前,改善膜组件的运行条件成为业界关注问题。 As a sludge concentration process, the air flotation process has the advantages of good mud-water separation efficiency and high concentration of concentrated sludge. Whether the air flotation process can be combined into the membrane bioreactor, and the sludge concentration process can be advanced to improve the operating conditions of the membrane module has become a concern of the industry. the
实用新型内容 Utility model content
本实用新型的主要目的在于针对上述问题,在传统MBR污水处理系统基础上,通过在生化处理设施与膜分离设施之间加入气浮设施,提供出一种污水处理及污泥浓缩一体化系统,提前将悬浮污泥浓缩分离,确保膜组件在低污泥浓度条件下工作,进而提高膜通量、降低膜污染、减少膜投资及运行成本并保护环境。 The main purpose of this utility model is to solve the above problems, on the basis of the traditional MBR sewage treatment system, by adding air flotation facilities between the biochemical treatment facilities and the membrane separation facilities, to provide an integrated system of sewage treatment and sludge concentration, The suspended sludge is concentrated and separated in advance to ensure that the membrane module works under the condition of low sludge concentration, thereby increasing the membrane flux, reducing membrane fouling, reducing membrane investment and operating costs, and protecting the environment. the
本实用新型解决其技术问题所采用的技术方案是: The technical scheme that the utility model solves its technical problem adopts is:
一种污水处理及污泥浓缩一体化系统,包括构成膜生物处理系统的生物处理池和膜分离池,所述生物处理池内设有厌氧区、缺氧区、内设曝气器的好氧区,并连接进水管、污泥回流管及混合液回流管,混合液回流管的两端 分别与好氧区与缺氧区连通,所述膜分离池设有膜组件、曝气清洗器并设有出水管及膜分离排泥管,其特征在于在所述生物处理池和膜分离池之间增设连接气浮机的气浮池,并形成由生物处理池至膜分离池依次通过D、E隔墙分隔的三池连体的整体池,所述气浮池在靠近D隔墙下部设置由围墙围拢的内置溶气释放器的气浮接触区,气浮接触区外部为气浮分离区,在气浮池上部设置刮渣机、排渣槽,所述排渣槽的渣槽排泥管连接渣槽污泥排出管并通过所述污泥回流管连接生物处理池的厌氧区;所述生物处理池通过D隔墙上设置的孔道与气浮池连通,所述气浮池通过E隔墙上设置的孔道与膜分离池连通;在气浮接触区和气浮分离区底部分别设有气浮排泥管。 An integrated system for sewage treatment and sludge concentration, comprising a biological treatment tank and a membrane separation tank constituting a membrane biological treatment system, the biological treatment tank is provided with an anaerobic zone, an anoxic zone, and an aerobic tank with an aerator inside. area, and connected to the water inlet pipe, sludge return pipe and mixed liquid return pipe, the two ends of the mixed liquid return pipe are respectively connected with the aerobic area and the anoxic area, and the membrane separation tank is equipped with a membrane module, an aeration cleaner and It is provided with a water outlet pipe and a membrane separation sludge discharge pipe, which is characterized in that an air flotation tank connected to an air flotation machine is added between the biological treatment tank and the membrane separation tank, and forms a sequence from the biological treatment tank to the membrane separation tank through the D and E compartments. The integral pool of the three pools separated by the wall, the air flotation pool is provided with an air flotation contact area with a built-in dissolved air releaser surrounded by a wall near the lower part of the D partition wall. The outside of the air flotation contact area is an air flotation separation area. In the air flotation pool The upper part is provided with a slag scraper and a slag discharge tank, the slag tank sludge discharge pipe of the slag discharge tank is connected to the sludge discharge pipe of the slag tank and connected to the anaerobic zone of the biological treatment tank through the sludge return pipe; the biological treatment tank The air flotation tank is communicated with the air flotation tank through the channels set on the D partition wall, and the air flotation tank is connected with the membrane separation tank through the channels set on the E partition wall; air flotation sludge discharge pipes are respectively arranged at the bottom of the air flotation contact area and the air flotation separation area. the
在所述气浮接触区和气浮分离区内分别设有泥斗。 Mud hoppers are respectively arranged in the air flotation contact zone and the air flotation separation zone. the
所述D隔墙上设置的孔道为在D隔墙下部水平间隔开设的若干过液孔。 The channels provided on the D partition wall are a plurality of liquid passage holes horizontally spaced apart at the lower part of the D partition wall. the
所述E隔墙上设置的孔道为管道或水平豁口。 The holes provided on the E partition wall are pipes or horizontal notches. the
所述气浮机为压力溶气气浮机、浅层气浮机或涡凹气浮机。 The air flotation machine is a pressure dissolved air flotation machine, a shallow air flotation machine or a vortex concave air flotation machine. the
所述膜组件为帘式膜组件、板式膜组件或管丝状膜组件。 The membrane module is a curtain membrane module, a plate membrane module or a tubular filament membrane module. the
本实用新型的有益效果是:(1)通过在传统MBR池中引入气浮池,提前将悬浮污泥浓缩分离,确保膜分离池内的膜组件在低污泥浓度条件下工作,从而提高生物处理池内污泥浓度,降低膜组件与污染物接触机会,减轻膜组件污染程度进而提高膜通量、降低膜污染、降低膜投资及膜运行成本;(2)可在污水处理的同时,通过气浮分离对浮上的活性污泥进行污泥浓缩,得到浓缩污泥,而浮起的活性污泥不需再进行浓缩处理,可直接进行污泥脱水,降低生化处理段的污泥回流比,省去后续污泥处理过程中的污泥浓缩段,减少污泥浓缩过程产生的污泥水对污水处理厂进水负荷的影响,其排放的剩余污泥可直接进行污泥脱水处理,降低了污水处理厂内臭气排放,有利于改善环境。(3)经气浮分离出的剩余污泥有机质含量升高,强化了剩余污泥再利用的性能。总之,应用本实用新型,出水水质可达到《城镇污水处理厂污染物排放标准》的一级A标准,BOD、COD、NH3-N达到IV类水水质要求;浓缩污泥含水率降低至93-94%、膜通量提高50%,膜投资及膜运行成本低于传统MBR工艺,尤其适用于城市污水及部分工业废水处理工程。 The beneficial effects of the utility model are: (1) By introducing the air flotation tank into the traditional MBR tank, the suspended sludge is concentrated and separated in advance, ensuring that the membrane components in the membrane separation tank work under the condition of low sludge concentration, thereby improving the biological treatment tank. Sludge concentration, reduce the chance of contact between membrane modules and pollutants, reduce the degree of pollution of membrane modules, thereby increasing membrane flux, reducing membrane fouling, reducing membrane investment and membrane operating costs; (2) can be separated by air flotation while sewage treatment Sludge concentration is performed on the floating activated sludge to obtain concentrated sludge, and the floating activated sludge does not need to be concentrated again, and can be directly dehydrated, reducing the sludge reflux ratio in the biochemical treatment section and eliminating the need for subsequent The sludge thickening section in the sludge treatment process reduces the impact of the sludge water generated during the sludge thickening process on the influent load of the sewage treatment plant, and the excess sludge discharged can be directly dewatered, which reduces the waste water of the sewage treatment plant. Internal odor emission is conducive to improving the environment. (3) The organic matter content of excess sludge separated by air flotation increases, which strengthens the performance of excess sludge reuse. In a word, with the application of the utility model, the effluent water quality can reach the first-class A standard of the "Pollutant Discharge Standards for Urban Sewage Treatment Plants", BOD, COD, and NH 3 -N can meet the water quality requirements of Class IV water; the moisture content of concentrated sludge can be reduced to 93 -94%, membrane flux increased by 50%, membrane investment and membrane operation costs are lower than traditional MBR process, especially suitable for urban sewage and some industrial wastewater treatment projects.
附图说明 Description of drawings
图1是本实用新型的主视结构示意图; Fig. 1 is the main view structural representation of the utility model;
图2是图1的F-F剖视图。 Fig. 2 is a sectional view taken along line F-F of Fig. 1 . the
图中:1进水管,2渣槽排泥管,21污泥回流泵,22污泥排出管,23污泥排出泵,24污泥回流管,3混合液回流管,31混合液回流泵,4曝气器,5-6气浮排泥管,51-53泥斗,7排渣槽,8刮渣机,9曝气清洗器,10膜组件,11膜分离排泥管,12出水管,13气浮机,131溶气释放器,14-15搅拌机,16E隔墙孔道,17围墙,18D隔墙孔道;A生物处理池,A1厌氧区,A2缺氧区,A 3好氧区,B气浮池,B1气浮接触区,B2气浮分离区,C膜分离池,D、E隔墙。 In the figure: 1 water inlet pipe, 2 slag tank sludge discharge pipe, 21 sludge return pump, 22 sludge discharge pipe, 23 sludge discharge pump, 24 sludge return pipe, 3 mixed liquid return pipe, 31 mixed liquid return pump, 4 aerators, 5-6 air flotation mud discharge pipes, 51-53 mud buckets, 7 slag discharge tanks, 8 slag scrapers, 9 aeration cleaners, 10 membrane modules, 11 membrane separation mud discharge pipes, 12 outlet pipes , 13 air flotation machine, 131 dissolved air releaser, 14-15 mixer, 16E partition wall channel, 17 enclosure wall, 18D partition wall channel; A biological treatment pool, A1 anaerobic zone, A2 anoxic zone, A 3 aerobic zone , B air flotation pool, B1 air flotation contact area, B2 air flotation separation area, C membrane separation pool, D, E partition wall. the
以下结合附图和实施例对本实用新型详细说明。 The utility model is described in detail below in conjunction with accompanying drawing and embodiment. the
具体实施方式 Detailed ways
图1~图2示出一种污水处理及污泥浓缩一体化系统,包括构成膜生物处理系统的生物处理池A和膜分离池C,上述生物处理池A内设有厌氧区A1、缺氧区A2、内设曝气器4的好氧区A3,并连接进水管1、污泥回流管24及混合液回流管3,混合液回流管3的两端分别与好氧区A3与缺氧区A2连通,在厌氧区A1及缺氧区A2内还分别设有搅拌机14、15。上述膜分离池C设有膜组件10、曝气清洗器9并设有出水管12及膜分离排泥管11,其特征在于在上述生物处理池A和膜分离池C之间增设连接气浮机13的气浮池B,并形成由生物处理池A至膜分离池C依次通过D、E隔墙分隔的三池连体的整体池,所述气浮池B在靠近D隔墙下部设置由围墙17围拢的内置溶气释放器131的气浮接触区B1,气浮接触区B1外部为气浮分离区B2,在气浮池B的上部设置刮渣机8、排渣槽7,排渣槽的渣槽排泥管2通过污泥排出泵23连接渣槽污泥排出管22,并通过污泥回流泵21经污泥回流管24连接生物处理池A的厌氧区A1;上述生物处理池A通过D隔墙上设置的孔道18与气浮池B连通,气浮池B通过E隔墙上设置的孔道16与膜分离池C连通。在气浮接触区B1和气浮分离区B2的底部分别设有气浮排泥管5、6。
Figures 1 to 2 show an integrated system for sewage treatment and sludge concentration, including a biological treatment tank A and a membrane separation tank C that constitute a membrane biological treatment system. The biological treatment tank A is provided with an anaerobic zone A1, a Oxygen area A2, aerobic area A3 with aerator 4 inside, and connected to water inlet pipe 1, sludge return pipe 24 and mixed liquid return pipe 3, the two ends of mixed liquid return pipe 3 are respectively connected to aerobic area A3 and deficient The oxygen zone A2 is connected, and agitators 14 and 15 are respectively provided in the anaerobic zone A1 and the anoxic zone A2. The above-mentioned membrane separation tank C is provided with a membrane module 10, an aeration cleaner 9 and is provided with a water outlet pipe 12 and a membrane separation sludge discharge pipe 11. The air flotation tank B of the machine 13, and form the integral pool of the three tanks connected by the biological treatment tank A to the membrane separation tank C successively separated by the D and E partition walls. The air flotation contact area B1 surrounded by the built-in dissolved air releaser 131, the outside of the air flotation contact area B1 is the air flotation separation area B2, and the slag scraper 8 and the slag discharge tank 7 are arranged on the upper part of the air flotation tank B, and the slag discharge tank The tank
为利于污泥下沉,在气浮接触区B1和气浮分离区B2内分别设有泥斗,如图2所示,在气浮接触区B1设置了泥斗51,在气浮分离区B2设置了泥斗52、53。 In order to facilitate the sinking of sludge, mud buckets are respectively provided in the air flotation contact area B1 and the air flotation separation area B2. The mud buckets 52,53 are removed. the
上述气浮机13可采用市售的压力溶气气浮机、浅层气浮机或涡凹气浮机。本实施例中采用了压力溶气气浮机,如图所示,压力溶气气浮机的进水口与气浮池B连通,其溶气释放器131通过气水输出管伸入到气浮接触区B1内。 Above-mentioned air flotation machine 13 can adopt commercially available pressure dissolved air flotation machine, shallow layer air flotation machine or vortex concave air flotation machine. In this embodiment, a pressure dissolved air flotation machine is used. As shown in the figure, the water inlet of the pressure dissolved air flotation machine is connected with the air flotation pool B, and its dissolved air releaser 131 extends into the air flotation contact through the air-water output pipe. within zone B1. the
上述D隔墙上设置的孔道18为在D隔墙下部水平间隔开设的若干过液孔,过液孔的位置与溶气释放器131的位置相对应,这样,使进入的混合液迅速与溶气水混合、接触。上述E隔墙上设置的孔道16可以采用管道或水平豁口,本例中孔道16为在E隔墙位于泥斗53顶部位置开设的水平豁口。 The channels 18 provided on the above-mentioned D partition wall are some liquid passage holes horizontally spaced apart at the lower part of the D partition wall, and the position of the liquid passage holes corresponds to the position of the dissolved air releaser 131, so that the mixed solution that enters is rapidly mixed with the dissolved air. Air-water mixing and contact. The channel 16 provided on the above-mentioned E partition wall can adopt a pipeline or a horizontal gap. In this example, the channel 16 is a horizontal gap provided at the position where the E partition wall is located at the top of the mud bucket 53 . the
上述膜组件10可采用帘式膜组件、板式膜组件或管丝状膜组件。本例中采用了板式膜组件。 The above membrane module 10 may be a curtain membrane module, a plate membrane module or a tubular filament membrane module. In this example, a plate membrane module is used. the
本实用新型的工作过程及原理: Working process and principle of the utility model:
参见图1~图2,污水首先经过进水管1进入生物处理池A,依次经过厌氧区A1,缺氧区A2,好氧区A3进行厌氧、缺氧、好氧处理,处理后的混合液一部分经混合液回流管3返回缺氧区A2,其余混合液通过D隔墙孔道18进入气浮池B的气浮接触区B1,与溶气水充分混合、接触,通过微气泡的吸附、上托作用,在气浮分离区B2将混合液中的活性污泥上浮至液面,形成浮渣,再通过刮渣机8定时将浮渣刮入排渣槽7,一部分污泥通过污泥回流泵21经污泥回流管24进入生物处理池A的厌氧区A1,剩余污泥通过污泥排出泵23进入渣槽污泥排出管22,并排出系统。经气浮分离区处理后的处理水一部分通过回流管进入压力溶气气浮机13的溶气水加压泵及溶气罐内形成溶气水,再供给溶气释放器131以完成气浮作用;其余处理水作为气浮池B出水通过E隔墙孔道16进入膜分离池C,经过膜组件10的过滤分离作用,最终产生达标合格的出水,通过水泵的抽吸,经出水管12排出。在气浮池B内沉淀下来的污泥通过排泥管5、6定期排出;在膜分离池C内经膜分离出来的污染物,定期通过膜分离排泥管11排出,通过曝气清洗器9形成的曝气湍流及时将膜组件10吸附的污染物清洗干净。 Referring to Figures 1 to 2, the sewage first enters the biological treatment tank A through the water inlet pipe 1, and then passes through the anaerobic zone A1, the anoxic zone A2, and the aerobic zone A3 for anaerobic, anoxic, and aerobic treatment, and the mixed water after treatment A part of the liquid returns to the anoxic zone A2 through the mixed liquid return pipe 3, and the rest of the mixed liquid enters the air flotation contact area B1 of the air flotation tank B through the D partition wall channel 18, and is fully mixed and contacted with the dissolved air water. The activated sludge in the mixed liquid floats to the liquid surface in the air flotation separation zone B2 to form scum, and then the scum is scraped into the slag discharge tank 7 by the slag scraper 8 at regular intervals, and a part of the sludge is refluxed through the sludge The pump 21 enters the anaerobic zone A1 of the biological treatment tank A through the sludge return pipe 24, and the remaining sludge enters the sludge discharge pipe 22 of the slag tank through the sludge discharge pump 23 and is discharged out of the system. Part of the treated water after the treatment in the air flotation separation zone enters the dissolved air water booster pump and dissolved air tank of the pressure dissolved air flotation machine 13 through the return pipe to form dissolved air water, and then supplies the dissolved air releaser 131 to complete the air flotation Function; the rest of the treated water enters the membrane separation tank C as the effluent of the air flotation tank B through the channel 16 of the E partition wall. The sludge settled in the air flotation tank B is regularly discharged through the sludge discharge pipes 5 and 6; the pollutants separated by the membrane in the membrane separation tank C are regularly discharged through the membrane separation sludge discharge pipe 11 and formed by the aeration cleaner 9 The turbulent aeration flow cleans the pollutants adsorbed by the membrane module 10 in time. the
本实用新型提供的污水处理及污泥浓缩一体化系统尤其适用于城市污水处理工程,同时适用于部分工业废水处理工程。在上述污水处理过程中,生物处理池A内的生物处理工艺可以采用A/O、A2/O、分点进水等多种污水处理工艺。 The sewage treatment and sludge concentration integrated system provided by the utility model is especially suitable for urban sewage treatment projects, and is also suitable for some industrial wastewater treatment projects. In the above sewage treatment process, the biological treatment process in the biological treatment pool A can adopt various sewage treatment processes such as A/O, A 2 /O, and point-inflow.
应用效果: Application effect:
应用本实用新型,当进水水质满足《污水排入城市下水道水质标准》(CJ3082-1999)的标准时,出水水质可达到《城镇污水处理厂污染物排放标准》的一级A标准,BOD、COD、NH3-N达到IV类水水质要求;浓缩污泥含水率降低至93-94%、且污泥有机质含量升高,增强了剩余污泥的再利用性;膜通量提高50%,膜投资及膜运行成本低于传统MBR工艺;并且,可减少污水处理厂的臭气排放,有利于降低臭气污染。 Applying the utility model, when the influent water quality satisfies the standard of "Water Quality Standards for Sewage Discharge into Urban Sewers" (CJ3082-1999), the effluent water quality can reach the first-class A standard of "Pollutant Discharge Standards for Urban Sewage Treatment Plants", BOD, COD , NH 3 -N meet the water quality requirements of Class IV water; the moisture content of the concentrated sludge is reduced to 93-94%, and the organic matter content of the sludge increases, which enhances the reutilization of the remaining sludge; the membrane flux increases by 50%, and the membrane The cost of investment and membrane operation is lower than that of the traditional MBR process; moreover, it can reduce the emission of odor from sewage treatment plants, which is beneficial to reduce odor pollution.
以上内容并非对本实用新型的结构、形状作任何形式上的限制。凡是依据本实用新型的技术实质对以上实施例所作的任何简单修改、等同变化与修饰,均仍属于本实用新型技术方案的范围内。 The above content is not intended to limit any form to the structure and shape of the present utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention still belong to the scope of the technical solution of the present invention. the
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102642982A (en) * | 2012-04-19 | 2012-08-22 | 天津凯英科技发展有限公司 | System integrating sewage treatment with sludge concentration |
CN104710084A (en) * | 2015-04-02 | 2015-06-17 | 四川省科学城天人环保有限公司 | High-efficiency biological membrane integrated sewage treatment device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102642982A (en) * | 2012-04-19 | 2012-08-22 | 天津凯英科技发展有限公司 | System integrating sewage treatment with sludge concentration |
CN104710084A (en) * | 2015-04-02 | 2015-06-17 | 四川省科学城天人环保有限公司 | High-efficiency biological membrane integrated sewage treatment device |
CN104710084B (en) * | 2015-04-02 | 2017-10-10 | 四川省科学城天人环保有限公司 | A kind of high-efficiency biomembrane integrated sewage treating apparatus |
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