CN211521959U - Multistage sewage treatment pond - Google Patents

Multistage sewage treatment pond Download PDF

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CN211521959U
CN211521959U CN201922323367.8U CN201922323367U CN211521959U CN 211521959 U CN211521959 U CN 211521959U CN 201922323367 U CN201922323367 U CN 201922323367U CN 211521959 U CN211521959 U CN 211521959U
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tank
aerobic
sedimentation tank
disinfection
filtering
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阮晓卿
廖志广
吴如杰
宗慧慧
张彦朴
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Nanjing Zixinhuicui Environmental Technology Co ltd
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Nanjing Zixinhuicui Environmental Technology Co ltd
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Abstract

本实用新型公开了一种多级污水处理池,涉及污水处理技术领域,为解决现有的污水处理池运行成本较高且处理效果不好的问题。所述过滤沉淀池的一侧设置有厌氧池,所述厌氧池的一侧设置有好氧池,所述好氧池的一侧设置有消毒池,所述消毒池的一侧设置有清水池,所述过滤沉淀池的上端安装有滤篮,所述滤篮的上端安装有提拉板,所述提拉板上端的中间设置有进水口,所述过滤沉淀池内部底端的一侧设置有第一沉淀槽,所述过滤沉淀池内部底端的另一侧设置有第二沉淀槽,所述第一沉淀槽和第二沉淀槽的下端均安装有第一排泥管,所述第一排泥管的下端安装有第二排泥管,且第一排泥管和第二排泥管均位于过滤沉淀池的外部。

Figure 201922323367

The utility model discloses a multi-stage sewage treatment tank, which relates to the technical field of sewage treatment and aims to solve the problems of high operation cost and poor treatment effect of the existing sewage treatment tank. One side of the filtration sedimentation tank is provided with an anaerobic tank, one side of the anaerobic tank is provided with an aerobic tank, one side of the aerobic tank is provided with a disinfection tank, and one side of the disinfection tank is provided with a In the clear water tank, a filter basket is installed on the upper end of the filtration and sedimentation tank, a lifting plate is installed on the upper end of the filter basket, a water inlet is arranged in the middle of the upper end of the lifting plate, and one side of the bottom end of the filter sedimentation tank is installed A first sedimentation tank is provided, a second sedimentation tank is provided on the other side of the bottom end of the filter sedimentation tank, and a first sludge discharge pipe is installed at the lower ends of the first sedimentation tank and the second sedimentation tank. The lower end of one row of mud pipes is provided with a second row of mud pipes, and both the first and second mud pipes are located outside the filtering and sedimentation tank.

Figure 201922323367

Description

一种多级污水处理池A multi-stage sewage treatment tank

技术领域technical field

本实用新型涉及污水处理技术领域,具体为一种多级污水处理池。The utility model relates to the technical field of sewage treatment, in particular to a multi-stage sewage treatment tank.

背景技术Background technique

污水处理:为使污水达到排入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,污水处理是目前工业生产领域经常需要的一道程序,尤其是针对各种纺织、造纸、印染、化工等产业,由于废水量大,如不进行可靠的污水处理,则将对环境造成极其严重的污染。Sewage treatment: The process of purifying sewage in order to make it meet the water quality requirements for discharge into a body of water or for reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urban landscape, medical, catering and other fields, and is increasingly entering the daily life of ordinary people. A required procedure, especially for various textile, paper, printing and dyeing, chemical and other industries, due to the large amount of waste water, if no reliable sewage treatment is carried out, it will cause extremely serious pollution to the environment.

但是,现有的污水处理池运行成本较高且处理效果不好,因此不满足现有的需求,对此我们提出了一种多级污水处理池。However, the existing sewage treatment tank has high operating cost and poor treatment effect, so it does not meet the existing needs. For this, we propose a multi-stage sewage treatment tank.

实用新型内容Utility model content

本实用新型的目的在于提供一种多级污水处理池,以解决上述背景技术中提出的现有的污水处理池运行成本较高且处理效果不好的问题。The purpose of the present invention is to provide a multi-stage sewage treatment tank, so as to solve the problems of high operation cost and poor treatment effect of the existing sewage treatment tank proposed in the above-mentioned background art.

为实现上述目的,本实用新型提供如下技术方案:一种多级污水处理池,包括过滤沉淀池,所述过滤沉淀池的一侧设置有厌氧池,所述厌氧池的一侧设置有好氧池,所述好氧池的一侧设置有消毒池,所述消毒池的一侧设置有清水池,所述过滤沉淀池的上端安装有滤篮,所述滤篮的上端安装有提拉板,所述提拉板上端的中间设置有进水口,所述过滤沉淀池内部底端的一侧设置有第一沉淀槽,所述过滤沉淀池内部底端的另一侧设置有第二沉淀槽,所述第一沉淀槽和第二沉淀槽的下端均安装有第一排泥管,所述第一排泥管的下端安装有第二排泥管,且第一排泥管和第二排泥管均位于过滤沉淀池的外部,所述过滤沉淀池外部两侧的下端均安装有支脚,且支脚与过滤沉淀池焊接连接。In order to achieve the above purpose, the utility model provides the following technical solutions: a multi-stage sewage treatment tank, including a filter sedimentation tank, one side of the filter sedimentation tank is provided with an anaerobic tank, and one side of the anaerobic tank is provided with a Aerobic tank, one side of the aerobic tank is provided with a disinfection tank, one side of the disinfection tank is provided with a clear water tank, the upper end of the filter sedimentation tank is installed with a filter basket, and the upper end of the filter basket is installed with a lift. Pulling plate, the middle of the upper end of the pulling plate is provided with a water inlet, one side of the bottom end of the filter sedimentation tank is provided with a first sedimentation tank, and the other side of the inner bottom end of the filter sedimentation tank is provided with a second sedimentation tank , the lower ends of the first sedimentation tank and the second sedimentation tank are equipped with a first mud discharge pipe, the lower end of the first mud discharge pipe is installed with a second mud discharge pipe, and the first mud discharge pipe and the second mud discharge pipe are installed The mud pipes are all located outside the filtering and sedimentation tank, and the lower ends of the outer two sides of the filtering and sedimentation tank are equipped with feet, and the feet are welded and connected with the filtering and sedimentation tank.

优选的,所述厌氧池的内部安装有隔板,所述隔板的一侧设置有厌氧菌。Preferably, a separator is installed inside the anaerobic tank, and anaerobic bacteria are arranged on one side of the separator.

优选的,所述好氧池的内部设置有好氧活性污泥,所述好氧池内部的底端安装有曝气管,所述好氧池的后方安装有曝气风机,所述曝气风机与好氧池之间安装有进气管,且进气管的一端与曝气风机通过法兰连接。Preferably, aerobic activated sludge is arranged inside the aerobic pool, an aeration pipe is installed at the bottom end of the aerobic pool, an aeration fan is installed behind the aerobic pool, and the aeration An intake pipe is installed between the fan and the aerobic pool, and one end of the intake pipe is connected with the aeration fan through a flange.

优选的,所述消毒池上端的中间安装有电机,所述电机的下端安装有搅拌杆,且搅拌杆与电机通过联轴器连接。Preferably, a motor is installed in the middle of the upper end of the disinfection tank, and a stirring rod is installed at the lower end of the motor, and the stirring rod and the motor are connected by a coupling.

优选的,所述消毒池上端的一侧设置有消毒剂投加口。Preferably, a disinfectant injection port is provided on one side of the upper end of the disinfection tank.

优选的,所述过滤沉淀池与厌氧池之间设置有第四过流堰口,所述厌氧池与好氧池之间设置有第一过流堰口,所述好氧池与消毒池之间设置有第二过流堰口,所述消毒池与清水池之间设置有第三过流堰口。Preferably, a fourth overflow weir is arranged between the filtration sedimentation tank and the anaerobic tank, a first overflow weir is arranged between the anaerobic tank and the aerobic tank, and a first overflow weir is arranged between the aerobic tank and the disinfection tank. The second overflow weir is provided with a third overflow weir between the disinfection tank and the clear water tank.

与现有技术相比,本实用新型的有益效果是:Compared with the prior art, the beneficial effects of the present utility model are:

1、本实用新型通过在每一级处理池之间都设置有相应的过流堰口,减少了泵体的使用数量,从而降低了运行成本。1. The utility model reduces the number of pumps used by setting the corresponding overflow weirs between each stage of the treatment pool, thereby reducing the operating cost.

2、本实用新型通过提拉板可将滤篮拉出,便于对内部杂质的快速处理,通过厌氧池使有机物发生水解、酸化和甲烷化,去除污水中的有机物,并提高污水的可生化性,有利于后续的好氧处理,好氧池内部的好氧活性污泥吸附、降解有机物,让活性污泥进行有氧呼吸,进一步把有机物分解成无机物,去除污水中的大部分COD、氨氮等有机物,通过消毒池使消毒剂与污水混合,进行消毒,杀死处理后污水中的并与病原性微生物,整体污水处理池对污水的处理效果较好。2. The utility model can pull out the filter basket through the lifting plate, which is convenient for the rapid treatment of the internal impurities, and the organic matter is hydrolyzed, acidified and methanated through the anaerobic tank, the organic matter in the sewage is removed, and the biodegradability of the sewage is improved. The aerobic activated sludge inside the aerobic tank adsorbs and degrades organic matter, allows the activated sludge to perform aerobic respiration, further decomposes the organic matter into inorganic matter, and removes most of the COD, Ammonia nitrogen and other organic substances are mixed with the disinfectant and the sewage through the disinfection tank for disinfection, killing the pathogenic microorganisms in the treated sewage, and the overall sewage treatment tank has a better treatment effect on the sewage.

附图说明Description of drawings

图1为本实用新型的一种多级污水处理池的整体结构示意图;Fig. 1 is the overall structure schematic diagram of a kind of multistage sewage treatment tank of the present invention;

图2为本实用新型的曝气风机的结构示意图;Fig. 2 is the structural representation of the aeration fan of the utility model;

图3为本实用新型的曝气管的结构示意图。3 is a schematic structural diagram of the aeration pipe of the present invention.

图中:1、过滤沉淀池;2、厌氧池;3、好氧池;4、消毒池;5、清水池;6、滤篮;7、提拉板;8、进水口;9、第一沉淀槽;10、第二沉淀槽;11、第一排泥管;12、第二排泥管;13、支脚;14、隔板;15、厌氧菌;16、第一过流堰口;17、好氧活性污泥;18、曝气管;19、曝气风机;20、进气管;21、电机;22、搅拌杆;23、消毒剂投加口;24、第二过流堰口;25、第三过流堰口;26、第四过流堰口。In the figure: 1. Filtration sedimentation tank; 2. Anaerobic tank; 3. Aerobic tank; 4. Disinfection tank; 5. Clear water tank; 6. Filter basket; 7. Lifting plate; 8. Water inlet; 9. a sedimentation tank; 10, the second sedimentation tank; 11, the first row of mud pipes; 12, the second row of mud pipes; 13, the feet; 14, the baffle; 15, the anaerobic bacteria; 16, the first overflow weir; 17, aerobic activated sludge; 18, aeration pipe; 19, aeration fan; 20, air intake pipe; 21, motor; 22, stirring rod; 25. The third overflow weir; 26. The fourth overflow weir.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

请参阅图1-3,本实用新型提供的一种实施例:一种多级污水处理池,包括过滤沉淀池1,过滤沉淀池1的一侧设置有厌氧池2,厌氧池2的一侧设置有好氧池3,好氧池3的一侧设置有消毒池4,消毒池4的一侧设置有清水池5,过滤沉淀池1的上端安装有滤篮6,滤篮6的上端安装有提拉板7,提拉板7上端的中间设置有进水口8,过滤沉淀池1内部底端的一侧设置有第一沉淀槽9,过滤沉淀池1内部底端的另一侧设置有第二沉淀槽10,第一沉淀槽9和第二沉淀槽10的下端均安装有第一排泥管11,第一排泥管11的下端安装有第二排泥管12,且第一排泥管11和第二排泥管12均位于过滤沉淀池1的外部,过滤沉淀池1外部两侧的下端均安装有支脚13,且支脚13与过滤沉淀池1焊接连接,污水通过进水口8进入过滤沉淀池1的内部,通过滤篮6滤除内部大颗粒杂质,过滤后的污水经第一沉淀槽9和第二沉淀槽10沉淀内部的污泥,并通过第二排泥管12连接污泥泵排出。1-3, an embodiment provided by the present utility model: a multi-stage sewage treatment tank, including a filter sedimentation tank 1, an anaerobic tank 2 is arranged on one side of the filter sedimentation tank 1, and the anaerobic tank 2 One side is provided with an aerobic tank 3, one side of the aerobic tank 3 is provided with a disinfection tank 4, one side of the disinfection tank 4 is provided with a clear water tank 5, the upper end of the filter sedimentation tank 1 is provided with a filter basket 6, A lifting plate 7 is installed on the upper end, a water inlet 8 is arranged in the middle of the upper end of the lifting plate 7, a first sedimentation tank 9 is arranged on one side of the bottom end of the filtration sedimentation tank 1, and a first sedimentation tank 9 is arranged on the other side of the inner bottom end of the filtration sedimentation tank 1. The second sedimentation tank 10, the lower ends of the first sedimentation tank 9 and the second sedimentation tank 10 are all provided with a first sludge discharge pipe 11, and the lower end of the first sludge discharge pipe 11 is equipped with a second sludge discharge pipe 12, and the first row The mud pipe 11 and the second mud discharge pipe 12 are both located outside the filter sedimentation tank 1. The lower ends of the outer sides of the filter sedimentation tank 1 are equipped with legs 13, and the legs 13 are welded to the filter sedimentation tank 1. The sewage passes through the water inlet 8 Enter the interior of the filter sedimentation tank 1, filter out the internal large-particle impurities through the filter basket 6, and the filtered sewage passes through the first sedimentation tank 9 and the second sedimentation tank 10 to settle the internal sludge, and is connected through the second sludge discharge pipe 12. Sludge pump discharge.

进一步,厌氧池2的内部安装有隔板14,隔板14的一侧设置有厌氧菌15,厌氧池2利用厌氧菌15的作用,使有机物发生水解、酸化和甲烷化,去除污水中的有机物,并提高污水的可生化性,有利于后续的好氧处理。Further, the interior of the anaerobic tank 2 is provided with a partition 14, and one side of the partition 14 is provided with anaerobic bacteria 15. The anaerobic tank 2 utilizes the effect of the anaerobic bacteria 15 to hydrolyze, acidify and methanize organic matter, and remove the Organic matter in sewage, and improve the biodegradability of sewage, which is beneficial to subsequent aerobic treatment.

进一步,好氧池3的内部设置有好氧活性污泥17,好氧池3内部的底端安装有曝气管18,好氧池3的后方安装有曝气风机19,曝气风机19与好氧池3之间安装有进气管20,且进气管20的一端与曝气风机19通过法兰连接,通过曝气管18控制好氧池3内部的含氧量,保证微生物最大效益的进行有氧呼吸。Further, aerobic activated sludge 17 is provided inside the aerobic pool 3, an aeration pipe 18 is installed at the bottom end of the aerobic pool 3, and an aeration fan 19 is installed at the rear of the aerobic pool 3. An air intake pipe 20 is installed between the aerobic pools 3, and one end of the air intake pipe 20 is connected with the aeration fan 19 through a flange, and the oxygen content inside the aerobic pool 3 is controlled by the aeration pipe 18 to ensure the maximum benefit of microorganisms. Aerobic respiration.

进一步,消毒池4上端的中间安装有电机21,电机21的下端安装有搅拌杆22,且搅拌杆22与电机21通过联轴器连接,通过电机21带动搅拌杆22对污水进行搅动,使消毒剂与污水混合。Further, a motor 21 is installed in the middle of the upper end of the disinfection tank 4, a stirring rod 22 is installed on the lower end of the motor 21, and the stirring rod 22 is connected with the motor 21 through a coupling, and the stirring rod 22 is driven by the motor 21 to stir the sewage, so that the disinfection agent mixed with sewage.

进一步,消毒池4上端的一侧设置有消毒剂投加口23,经消毒剂投加口23投加相应的消毒剂。Further, one side of the upper end of the disinfection tank 4 is provided with a disinfectant dosing port 23, and corresponding disinfectant is added through the disinfectant dosing port 23.

进一步,过滤沉淀池1与厌氧池2之间设置有第四过流堰口26,厌氧池2与好氧池3之间设置有第一过流堰口16,好氧池3与消毒池4之间设置有第二过流堰口24,消毒池4与清水池5之间设置有第三过流堰口25,减少了泵体的使用数量,从而降低了运行成本。Further, a fourth overflow weir 26 is arranged between the filtration sedimentation tank 1 and the anaerobic tank 2, a first overflow weir 16 is arranged between the anaerobic tank 2 and the aerobic tank 3, the aerobic tank 3 and the disinfection tank 4 There is a second overflow weir 24 therebetween, and a third overflow weir 25 is arranged between the disinfection tank 4 and the clean water tank 5, which reduces the number of pumps used and thus reduces the operating cost.

工作原理:使用时,污水通过进水口8进入过滤沉淀池1的内部,通过滤篮6滤除内部大颗粒杂质,通过提拉板7可将滤篮6抽出,便于对滤篮6内部的滤渣进行处理,过滤后的污水经第一沉淀槽9和第二沉淀槽10沉淀内部的污泥,并通过第二排泥管12连接污泥泵排出,上层清液通过第四过流堰口26进入厌氧池2的内部,厌氧池2利用厌氧菌15的作用,使有机物发生水解、酸化和甲烷化,去除污水中的有机物,并提高污水的可生化性,有利于后续的好氧处理,污水通过第一过流堰口16进入好氧池3的内部,好氧池3内部的好氧活性污泥17吸附、降解有机物,让好氧活性污泥17进行有氧呼吸,进一步把有机物分解成无机物,去除污水中的大部分COD、氨氮等有机物,去除污染物,通过曝气管18控制好氧池3内部的含氧量,保证微生物最大效益的进行有氧呼吸,污水通过第二过流堰口24进入消毒池4的内部,经消毒剂投加口23投加相应的消毒剂,例如次氯酸钠、液氯或次氯酸钙,通过电机21带动搅拌杆22对污水进行搅动,使消毒剂与污水混合,进行消毒,杀死处理后污水中的并与病原性微生物,整体污水处理池对污水的处理效果较好,处理后的污水通过第三过流堰口25进入清水池5,可达标排放。Working principle: During use, the sewage enters the filter sedimentation tank 1 through the water inlet 8, and the internal large-particle impurities are filtered out through the filter basket 6. The filter basket 6 can be pulled out through the lifting plate 7, which is convenient for the filter residue inside the filter basket 6. For treatment, the filtered sewage settles the internal sludge through the first sedimentation tank 9 and the second sedimentation tank 10, and is discharged through the second sludge discharge pipe 12 connected to the sludge pump, and the supernatant liquid enters through the fourth overflow weir 26. Inside the anaerobic tank 2, the anaerobic tank 2 utilizes the action of the anaerobic bacteria 15 to hydrolyze, acidify and methanize the organic matter, remove the organic matter in the sewage, and improve the biodegradability of the sewage, which is beneficial to the subsequent aerobic treatment , the sewage enters the inside of the aerobic tank 3 through the first overflow weir 16, and the aerobic activated sludge 17 in the aerobic tank 3 adsorbs and degrades the organic matter, so that the aerobic activated sludge 17 performs aerobic respiration, and further decomposes the organic matter Inorganic matter, remove most of the COD, ammonia nitrogen and other organic matter in the sewage, remove pollutants, control the oxygen content inside the aerobic tank 3 through the aeration pipe 18, ensure that the microorganisms perform aerobic respiration with the greatest benefit, and the sewage passes through the second The overflow weir 24 enters the interior of the disinfection tank 4, and the corresponding disinfectant, such as sodium hypochlorite, liquid chlorine or calcium hypochlorite, is added through the disinfectant dosing port 23, and the stirring rod 22 is driven by the motor 21 to stir the sewage, so that the disinfection is carried out. The sewage is mixed with the sewage to disinfect and kill the pathogenic microorganisms in the treated sewage. The overall sewage treatment tank has a better treatment effect on the sewage. The treated sewage enters the clear water tank 5 through the third overflow weir 25, which can be Discharge.

对于本领域技术人员而言,显然本实用新型不限于上述示范性实施例的细节,而且在不背离本实用新型的精神或基本特征的情况下,能够以其他的具体形式实现本实用新型。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本实用新型的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本实用新型内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. The utility model provides a multistage sewage treatment pond, includes filtering sedimentation tank (1), its characterized in that: an anaerobic tank (2) is arranged on one side of the filtering and settling tank (1), an aerobic tank (3) is arranged on one side of the anaerobic tank (2), a disinfection tank (4) is arranged on one side of the aerobic tank (3), a clean water tank (5) is arranged on one side of the disinfection tank (4), a filter basket (6) is installed on the upper end of the filtering and settling tank (1), a lifting plate (7) is installed on the upper end of the filter basket (6), a water inlet (8) is formed in the middle of the upper end of the lifting plate (7), a first settling tank (9) is arranged on one side of the inner bottom of the filtering and settling tank (1), a second settling tank (10) is arranged on the other side of the inner bottom of the filtering and settling tank (1), a first sludge discharge pipe (11) is installed at the lower ends of the first settling tank (9) and the second settling tank (10), a second sludge discharge pipe (12) is installed at the lower end of the first sludge, and first mud pipe (11) and second mud pipe (12) all are located the outside of filtering sedimentation tank (1), stabilizer blade (13) are all installed to the lower extreme of filtering sedimentation tank (1) outside both sides, and stabilizer blade (13) and filtering sedimentation tank (1) welded connection.
2. A multistage wastewater treatment basin according to claim 1, characterized in that: the anaerobic tank is characterized in that a partition plate (14) is arranged inside the anaerobic tank (2), and anaerobic bacteria (15) are arranged on one side of the partition plate (14).
3. A multistage wastewater treatment basin according to claim 1, characterized in that: the aerobic activated sludge aeration device is characterized in that aerobic activated sludge (17) is arranged in the aerobic tank (3), an aeration pipe (18) is installed at the bottom end of the interior of the aerobic tank (3), an aeration fan (19) is installed at the rear of the aerobic tank (3), an air inlet pipe (20) is installed between the aeration fan (19) and the aerobic tank (3), and one end of the air inlet pipe (20) is connected with the aeration fan (19) through a flange.
4. A multistage wastewater treatment basin according to claim 1, characterized in that: the motor (21) is installed to the centre of disinfection pond (4) upper end, puddler (22) are installed to the lower extreme of motor (21), and puddler (22) pass through the coupling joint with motor (21).
5. A multistage wastewater treatment basin according to claim 1, characterized in that: and a disinfectant adding port (23) is formed in one side of the upper end of the disinfection tank (4).
6. A multistage wastewater treatment basin according to claim 1, characterized in that: be provided with fourth weir crest (26) that overflows between filter sedimentation tank (1) and anaerobism pond (2), be provided with first weir crest (16) that overflows between anaerobism pond (2) and good oxygen pond (3), be provided with second weir crest (24) that overflows between good oxygen pond (3) and disinfection pond (4), be provided with third weir crest (25) that overflows between disinfection pond (4) and clean water basin (5).
CN201922323367.8U 2019-12-23 2019-12-23 Multistage sewage treatment pond Expired - Fee Related CN211521959U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922323367.8U CN211521959U (en) 2019-12-23 2019-12-23 Multistage sewage treatment pond

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922323367.8U CN211521959U (en) 2019-12-23 2019-12-23 Multistage sewage treatment pond

Publications (1)

Publication Number Publication Date
CN211521959U true CN211521959U (en) 2020-09-18

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CN201922323367.8U Expired - Fee Related CN211521959U (en) 2019-12-23 2019-12-23 Multistage sewage treatment pond

Country Status (1)

Country Link
CN (1) CN211521959U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501627A (en) * 2021-08-05 2021-10-15 北京中海沃邦能源投资有限公司石楼分公司 Domestic sewage treatment system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113501627A (en) * 2021-08-05 2021-10-15 北京中海沃邦能源投资有限公司石楼分公司 Domestic sewage treatment system

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