CN204588876U - A kind of industrial wastewater treatment system - Google Patents
A kind of industrial wastewater treatment system Download PDFInfo
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- CN204588876U CN204588876U CN201520107099.5U CN201520107099U CN204588876U CN 204588876 U CN204588876 U CN 204588876U CN 201520107099 U CN201520107099 U CN 201520107099U CN 204588876 U CN204588876 U CN 204588876U
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Abstract
Description
技术领域technical field
本实用新型涉及一种废水处理系统，更具体涉及一种工业废水处理系统。The utility model relates to a wastewater treatment system, in particular to an industrial wastewater treatment system.
背景技术Background technique
随着我国工业的发展，工业废水的排放量日益增加，达不到排放标准的工业废水排入水体后，会污染地表水和地下水。我国的水资源并不丰富，若按人口平均有径流量计算，只相当于世界人均值的四份之一。而地表水和地下水的污染，将进一步使可供利用的水资源数量日益减少。With the development of my country's industry, the discharge of industrial wastewater is increasing day by day. After the industrial wastewater that does not meet the discharge standards is discharged into the water body, it will pollute the surface water and groundwater. my country's water resources are not rich. If calculated according to the average runoff of the population, it is only equivalent to one-fourth of the world's average value. The pollution of surface water and groundwater will further reduce the amount of available water resources.
工业废水包括生产废水和生产污水，是指工业生产过程中产生的废水和废液，其中含有随水流失的工业生产用料、中间产物、副产品以及生产过程中产生的污染物。对工业废水的处理已经成为迫切需要解决的问题。Industrial wastewater includes production wastewater and production sewage, which refers to wastewater and waste liquid produced in the process of industrial production, which contains industrial production materials, intermediate products, by-products and pollutants produced in the production process lost with water. The treatment of industrial wastewater has become an urgent problem to be solved.
实用新型内容Utility model content
为了解决上述技术问题，本实用新型提供一种可处理工业废水中的有害物质，减少其对环境的危害且不会产生二次污染的工业废水处理系统。In order to solve the above technical problems, the utility model provides an industrial wastewater treatment system that can treat harmful substances in industrial wastewater, reduce its harm to the environment and will not produce secondary pollution.
为了达到上述技术效果，本实用新型的技术方案如下：In order to achieve the above-mentioned technical effect, the technical scheme of the utility model is as follows:
一种工业废水处理系统，包括依次连接的格栅、集水池、第一反应池、第二反应池、斜管沉淀池和树脂吸附柱，第一反应池上设有第一石灰加药装置和第一氢氧化钠加药装置，第一反应池内的工业废水的pH值为8～9，第二反应池上设有第二石灰加药装置和第二氢氧化钠加药装置，第一反应池内的工业废水的pH值为10～10.5，斜管沉淀池设有反冲洗装置，斜管沉淀池和集水池连接，斜管沉淀池和污泥浓缩池连接。An industrial waste water treatment system, comprising a grid, a sump, a first reaction tank, a second reaction tank, an inclined tube sedimentation tank and a resin adsorption column connected in sequence, the first lime dosing device and the second A sodium hydroxide dosing device, the pH value of the industrial wastewater in the first reaction pool is 8 to 9, a second lime dosing device and a second sodium hydroxide dosing device are installed on the second reaction tank, the first reaction tank The pH value of the industrial wastewater is 10 to 10.5. The inclined tube sedimentation tank is equipped with a backwashing device. The inclined tube sedimentation tank is connected to the sump, and the inclined tube sedimentation tank is connected to the sludge thickening tank.
在一些实施方式中，集水池与反应池之间设有第一提升泵。In some embodiments, a first lift pump is provided between the sump and the reaction tank.
在一些实施方式中，斜管沉淀池和树脂吸附柱之间设有第二提升泵。In some embodiments, a second lift pump is provided between the inclined tube sedimentation tank and the resin adsorption column.
在一些实施方式中，反冲洗装置与斜管沉淀池之间设有反冲泵。In some embodiments, a backwash pump is provided between the backwash device and the inclined tube sedimentation tank.
其有益效果为：格栅将工业废水中的较大颗粒杂质去除；经过格栅的工业废水进入集水池，在集水池内放置一段时间，使待处理的工业废水水质、水量保持稳定的状态；通过第一石灰加药装置和第一氢氧化钠加药装置将石灰乳和氢氧化钠加入第一反应池内，使第一反应池内的pH值为8～9，使工业废水中的汞和砷形成沉淀物。通过第二石灰加药装置和第二氢氧化钠加药装置将石灰乳和氢氧化钠第二反应池内的工业废水的pH值为10～10.5，使工业废水中的铅、锌、镉和砷形成沉淀物；经过第一反应池和第二反应池处理的工业废水排入到斜管沉淀池中，经过斜管沉淀池将污泥沉淀物和清液分开，获得的清液进入树脂吸附柱内，进行进一步的净化后排放，污泥沉淀物经过污泥浓缩池压缩成块运出。本实用新型对工业废水进行处理，无需添加造成二次污染的药物试剂，将工业废水中的重金属去除掉，保护环境的同时不会产生二次污染。Its beneficial effects are: the grille removes large particles of impurities in the industrial wastewater; the industrial wastewater passing through the grille enters the sump, and is placed in the sump for a period of time, so that the water quality and quantity of the industrial wastewater to be treated are kept in a stable state; Add lime milk and sodium hydroxide into the first reaction tank through the first lime dosing device and the first sodium hydroxide dosing device, so that the pH value in the first reaction tank is 8-9, and the mercury and arsenic in the industrial wastewater A precipitate formed. Through the second lime dosing device and the second sodium hydroxide dosing device, the pH value of the industrial wastewater in the milk of lime and sodium hydroxide second reaction tank is 10 to 10.5, so that the lead, zinc, cadmium and arsenic in the industrial wastewater Sediment is formed; the industrial wastewater treated by the first reaction tank and the second reaction tank is discharged into the inclined tube sedimentation tank, and the sludge sediment and the clear liquid are separated through the inclined tube settling tank, and the obtained clear liquid enters the resin adsorption column After further purification, the sludge is discharged, and the sludge sediment is compressed into blocks and transported out through the sludge thickening tank. The utility model treats industrial waste water without adding pharmaceutical reagents that cause secondary pollution, removes heavy metals in industrial waste water, and protects the environment while preventing secondary pollution.
附图说明Description of drawings
下面结合附图对本实用新型作进一步的描述。Below in conjunction with accompanying drawing, the utility model is further described.
图1是本实用新型一实施方式的一种工业废水处理系统的示意图。Fig. 1 is a schematic diagram of an industrial wastewater treatment system according to an embodiment of the present invention.
图中数字所表示的相应部件的名称：The names of the corresponding parts indicated by the numbers in the figure:
1.格栅、2.集水池、23.第一提升泵、3.第一反应池、4.第二反应池、5.斜管沉淀池、56.第二提升泵、6.树脂吸附柱、7.反冲洗装置、75.反冲泵、8.污泥浓缩池。1. Grille, 2. Pool, 23. First lift pump, 3. First reaction tank, 4. Second reaction tank, 5. Inclined tube sedimentation tank, 56. Second lift pump, 6. Resin adsorption column , 7. Backwash device, 75. Backwash pump, 8. Sludge thickening tank.
具体实施方式Detailed ways
如图1所示，本实用新型提供一种工业废水处理系统，包括依次连接的格栅1、集水池2、反应池3、第二反应池4、斜管沉淀池5和树脂吸附柱6。第一反应池3上设有第一石灰加药装置和第一氢氧化钠加药装置。第二反应池4上设有第二石灰加药装置和第二氢氧化钠加药装置。第一反应池内的工业废水的pH值为8～9，使工业废水中的汞和砷形成沉淀物。第一反应池内的工业废水的pH值为10～10.5，使工业废水中的铅、锌、镉和砷形成沉淀物。斜管沉淀池5设有反冲洗装置7，斜管沉淀池5和集水池2连接，斜管沉淀池5和污泥浓缩池8连接。集水池2与反应池3之间设有第一提升泵23。斜管沉淀池5和树脂吸附柱6之间设有第二提升泵56。反冲洗装置7与斜管沉淀池5之间设有反冲泵75，对斜管沉淀池5的反冲出水被输送至集水池2内再次进行处理。As shown in Figure 1, the utility model provides an industrial wastewater treatment system, including a grid 1, a water collection tank 2, a reaction tank 3, a second reaction tank 4, an inclined tube sedimentation tank 5 and a resin adsorption column 6 connected in sequence. The first reaction tank 3 is provided with a first lime dosing device and a first sodium hydroxide dosing device. The second reaction tank 4 is provided with a second lime dosing device and a second sodium hydroxide dosing device. The pH value of the industrial waste water in the first reaction tank is 8-9, so that mercury and arsenic in the industrial waste water form precipitates. The pH value of the industrial waste water in the first reaction tank is 10-10.5, so that lead, zinc, cadmium and arsenic in the industrial waste water form precipitates. The inclined tube sedimentation tank 5 is provided with a backwashing device 7, the inclined tube sedimentation tank 5 is connected to the sump 2, and the inclined tube sedimentation tank 5 is connected to the sludge thickening tank 8. A first lift pump 23 is provided between the sump 2 and the reaction tank 3 . A second lift pump 56 is provided between the inclined tube sedimentation tank 5 and the resin adsorption column 6 . A backwash pump 75 is provided between the backwashing device 7 and the inclined tube sedimentation tank 5 , and the backflush effluent from the inclined tube sedimentation tank 5 is transported to the sump 2 for further treatment.
格栅1将工业废水中的较大颗粒杂质去除，经过格栅1的工业废水进入集水池，在集水池2内放置一段时间，使待处理的工业废水水质、水量保持稳定的状态，通过第一石灰加药装置和第一氢氧化钠加药装置将石灰乳和氢氧化钠加入第一反应池3内，使第一反应池3内的pH值为8～9，使工业废水中的汞和砷形成沉淀物。通过第二石灰加药装置和第二氢氧化钠加药装置将石灰乳和氢氧化钠第二反应池4内的工业废水的pH值为10～10.5，使工业废水中的铅、锌、镉和砷形成沉淀物。经过第一反应池3和第二反应池4处理的工业废水被输送至斜管沉淀池5中，斜管沉淀池5将污泥沉淀物和清液分开，获得的清液进入树脂吸附柱6内，进行进一步的净化，污泥沉淀物经过污泥浓缩池8压缩成块运出。本实用新型对工业废水进行处理，无需添加造成二次污染的药物试剂，将工业废水中的重金属去除掉，保护环境的同时不会产生二次污染。Grille 1 removes large particles of impurities in industrial wastewater. The industrial wastewater passing through Grille 1 enters the sump and is placed in the sump 2 for a period of time to keep the quality and quantity of the industrial wastewater to be treated in a stable state. A lime dosing device and the first sodium hydroxide dosing device add milk of lime and sodium hydroxide into the first reaction tank 3, so that the pH value in the first reaction tank 3 is 8-9, and the mercury in the industrial wastewater and arsenic to form precipitates. By the second lime dosing device and the second sodium hydroxide dosing device, the pH value of the industrial wastewater in the milk of lime and sodium hydroxide second reaction tank 4 is 10～10.5, so that lead, zinc, cadmium in the industrial wastewater and arsenic to form precipitates. The industrial wastewater treated by the first reaction pool 3 and the second reaction pool 4 is transported to the inclined tube sedimentation tank 5, and the inclined tube sedimentation tank 5 separates the sludge sediment from the clear liquid, and the obtained clear liquid enters the resin adsorption column 6 Inside, further purification is carried out, and the sludge sediment is compressed into blocks through the sludge thickening tank 8 and transported out. The utility model treats industrial waste water without adding pharmaceutical reagents that cause secondary pollution, removes heavy metals in industrial waste water, and protects the environment while preventing secondary pollution.
以上所述的仅是本实用新型一种工业废水处理系统的优选实施方式，应当指出，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以做出若干变形和改进，这些都属于本实用新型的保护范围。The above is only a preferred embodiment of the industrial wastewater treatment system of the present utility model. It should be pointed out that for those of ordinary skill in the art, some deformations and improvements can be made without creative labor. These all belong to the protection domain of the present utility model.
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| CN106115982A (en) * | 2016-08-29 | 2016-11-16 | 湖南艾布鲁环保科技有限公司 | A kind of antimony and the processing means of association slag landfill percolate and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106115982A (en) * | 2016-08-29 | 2016-11-16 | 湖南艾布鲁环保科技有限公司 | A kind of antimony and the processing means of association slag landfill percolate and method |
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Granted publication date: 20150826 Termination date: 20160213 |