CN205170626U - Organic high salt concentration effluent disposal system - Google Patents
Organic high salt concentration effluent disposal system Download PDFInfo
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Abstract
本实用新型公开了一种有机高盐分废水处理系统，主要包括依次相连的隔油调节池、除油器、絮凝气浮池、中间水池、蒸发脱盐设备、微电解-fenton氧化池、气浮池、pH调整池、厌氧水解池、一级好氧-中沉池、二级好氧-二沉池、混凝沉淀池及排放水池，有机高盐分废水经上述废水处理系统处理达标后排放至管网；所述絮凝气浮池上设有液碱、复配剂及PAM输入口，所述中间水池上设有酸输入口，所述微电解-Fenton氧化池上设有酸、Fenton试剂输入口，所述气浮池上设有液碱、PAM输入口，所述pH调整池上设有酸输入口，所述混凝沉淀池上设有复配剂、PAM输入口。本处理系统具有废水处理效果好、运行费用低、处理量大等优势。
The utility model discloses an organic high-salt waste water treatment system, which mainly includes successively connected oil separation adjustment pools, oil removers, flocculation air flotation pools, intermediate water pools, evaporation and desalination equipment, micro-electrolysis-fenton oxidation pools, air flotation pools, pH Adjusting tank, anaerobic hydrolysis tank, primary aerobic-medium sedimentation tank, secondary aerobic-secondary sedimentation tank, coagulation sedimentation tank and discharge pool, organic high-salt wastewater is discharged to the pipe network after being treated by the above-mentioned wastewater treatment system to meet the standard ; The flocculation air flotation tank is provided with liquid caustic soda, compounding agent and PAM input port, is provided with acid input port on the described intermediate pool, is provided with acid, Fenton reagent input port on the described micro-electrolysis-Fenton oxidation pool, and described The air flotation tank is provided with liquid caustic soda and PAM input ports, the pH adjustment tank is provided with acid input ports, and the coagulation sedimentation tank is provided with compound agent and PAM input ports. The treatment system has the advantages of good wastewater treatment effect, low operating cost and large treatment capacity.
Description
技术领域technical field
本实用新型涉及一种有机高盐分废水处理系统。The utility model relates to an organic high-salt waste water treatment system.
背景技术Background technique
对于许多化工企业来说，由于在生产过程中需要消耗各种有机化工原料；产生数多种副产物及盐分。上述未有效利用的原辅材料、中间产品和副产物、盐分及杂质大部分进入水中，使得废水呈现以下特点：有机污染物种类多、浓度高，废水成份复杂，盐分浓度高。生化法处理能力大、运行费用低、工艺成熟，在有机废水处理中占有十分重要的地位，是去除COD的主要途径。然而，采用单一的物化手段或生化手段均难解决废水达标排放问题，需针对不同的特征污染物采用不同的预处理工艺。For many chemical companies, due to the need to consume various organic chemical raw materials in the production process; produce several by-products and salt. Most of the raw and auxiliary materials, intermediate products and by-products, salt and impurities that have not been effectively used above enter the water, making the wastewater present the following characteristics: many types of organic pollutants, high concentration, complex wastewater components, and high salt concentration. The biochemical method has large treatment capacity, low operating cost, and mature technology. It occupies a very important position in the treatment of organic wastewater and is the main way to remove COD. However, it is difficult to solve the problem of wastewater discharge up to standard by using a single physical and chemical method or biochemical method, and it is necessary to adopt different pretreatment processes for different characteristic pollutants.
发明内容Contents of the invention
针对现有技术的不足，本实用新型的目的是提供一种有机高盐分废水处理系统。Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide an organic high-salt wastewater treatment system.
本实用新型解决技术问题所采用的技术方案是：一种有机高盐分废水处理系统，所述废水处理系统主要包括依次相连的隔油调节池、除油器、絮凝气浮池、中间水池、蒸发脱盐设备、微电解-fenton氧化池、气浮池、PH调整池、厌氧水解池、一级好氧-中沉池、二级好氧-二沉池、混凝沉淀池及排放水池，有机高盐分废水经上述废水处理系统处理达标后排放至管网；所述絮凝气浮池上设有液碱、复配剂及PAM输入口，所述中间水池上设有酸输入口，所述微电解-Fenton氧化池上设有酸、Fenton试剂输入口，所述气浮池上设有液碱、PAM输入口，所述pH调整池上设有酸输入口，所述混凝沉淀池上设有复配剂、PAM输入口。The technical scheme adopted by the utility model to solve the technical problem is: an organic high-salt wastewater treatment system, the wastewater treatment system mainly includes an oil separation adjustment tank, a degreaser, a flocculation air flotation tank, an intermediate pool, an evaporation desalination tank, and Equipment, micro-electrolysis-fenton oxidation tank, air flotation tank, PH adjustment tank, anaerobic hydrolysis tank, primary aerobic-medium sedimentation tank, secondary aerobic-secondary sedimentation tank, coagulation sedimentation tank and discharge tank, organic high salt content The waste water is discharged to the pipe network after being treated up to the standard by the above waste water treatment system; the flocculation air flotation tank is provided with liquid caustic soda, compounding agent and PAM input ports, the intermediate pool is provided with acid input ports, and the micro-electrolysis-Fenton The oxidation tank is provided with acid and Fenton reagent input ports, the air flotation tank is provided with liquid alkali and PAM input ports, the pH adjustment tank is provided with acid input ports, and the coagulation sedimentation tank is provided with compounding agent and PAM input ports. mouth.
进一步地，所述的蒸发脱盐设备与微电解-Fenton氧化池之间设有调节池；所述调节池设有两个输入口，其中一个为经蒸发脱盐设备处理后的废水的输入口，另一个为其他废水的输入口。上述设计使得本系统既可以处理有机高盐分废水，也可以处理一般的综合工业废水。Further, a regulating pool is provided between the evaporative desalination equipment and the micro-electrolysis-Fenton oxidation pool; the regulating pool is provided with two input ports, one of which is the input port of the waste water treated by the evaporative desalination equipment, and the other It is the input port for other waste water. The above design makes this system not only able to treat organic high-salt wastewater, but also general comprehensive industrial wastewater.
进一步地，所述一级好氧-中沉池与二级好氧-二沉池之间设有复合催化臭氧氧化塔。废水经过一级好氧处理后，采用复合催化臭氧氧化处理，提高废水的可生化性，有利于二级好氧处理。Further, a composite catalytic ozonation tower is provided between the primary aerobic-intermediate sedimentation tank and the secondary aerobic-secondary sedimentation tank. After the wastewater undergoes primary aerobic treatment, it is treated with composite catalytic ozonation to improve the biodegradability of the wastewater, which is beneficial to the secondary aerobic treatment.
进一步地，所述隔油调节池的数量为一个或多个。Further, the number of the oil separation regulating pool is one or more.
上述废水处理系统的具体工作流程如下：高盐分废水进入隔油调节池，在池内对废水进行隔油调节处理，废水经过调节后进入絮凝气浮池，通过加入絮凝剂、液碱进行絮凝沉淀，对废水进行预处理。混凝气浮后的废水进入中间水池，在中间水池内加入硫酸调节pH值为中性，并通过负压吸入蒸发脱盐设备。在此过程中得到纯度相对高的氯化钠、硫酸钠、氯化铵盐作为副产品，其余作为盐渣；通过蒸发脱盐，去除废水中的盐分、CODCr以及氨氮。脱盐后的废水进入Fenton氧化池，通过Fenton氧化后加入液碱混凝气浮，气浮出水进入pH调整池，在池内调节pH为6～9后进入厌氧水解池。厌氧水解池出水进入一级好氧-中沉池，并设置污泥回流和硝化液回流。氧化出水流入，二级好氧-二沉池出水进入混凝沉淀池，通过加入复配剂、PAM去除出水的悬浮物，沉淀后的废水流入，每天定时对排放水池内的废水进行监测，当废水达标后排放至管网。The specific working process of the above-mentioned wastewater treatment system is as follows: high-salt wastewater enters the oil-separating adjustment tank, and the wastewater is subjected to oil-separating adjustment treatment in the tank. Wastewater is pretreated. The wastewater after coagulation and air flotation enters the intermediate pool, and sulfuric acid is added to the intermediate pool to adjust the pH value to be neutral, and it is sucked into the evaporation desalination equipment through negative pressure. In this process, relatively high-purity sodium chloride, sodium sulfate, and ammonium chloride salts are obtained as by-products, and the rest are used as salt residue; through evaporation and desalination, the salt, COD Cr , and ammonia nitrogen in the wastewater are removed. The desalinated wastewater enters the Fenton oxidation tank, and after being oxidized by Fenton, liquid caustic soda is added for coagulation and air flotation, and the water from the air flotation enters the pH adjustment tank. After adjusting the pH in the pool to 6-9, it enters the anaerobic hydrolysis tank. The effluent from the anaerobic hydrolysis tank enters the first-stage aerobic-medium sedimentation tank, and sludge return and nitrification liquid return are set. The oxidation effluent flows in, and the effluent from the secondary aerobic-secondary sedimentation tank enters the coagulation sedimentation tank. The suspended solids in the effluent are removed by adding compounding agent and PAM, and the wastewater after precipitation flows in. The wastewater in the discharge pool is monitored regularly every day. Wastewater is discharged to the pipe network after reaching the standard.
当排放的废水不能稳定达标时，可将一级好氧-中沉池的出水先流入到复合催化臭氧氧化塔中，在塔内通过臭氧氧化降解CODCr，提高废水的BOD5，然后再使废水流入二级好氧-二沉池，可提高废水的可生化性，有利于二级好氧处理。When the discharged wastewater cannot reach the standard stably, the effluent from the primary aerobic-sedimentation tank can first flow into the composite catalytic ozonation tower, where COD Cr is degraded by ozone oxidation to increase the BOD 5 of the wastewater, and then used The wastewater flows into the secondary aerobic-secondary sedimentation tank, which can improve the biodegradability of the wastewater and is beneficial to the secondary aerobic treatment.
本实用新型的有益效果是：与现有技术相比，本实用新型提供的废水处理系统首先对有机高盐分废水进行脱盐-预处理，预处理后的废水采用厌氧–二级好氧的生化处理工艺，以增加生化系统的抗负荷能力及脱氮能力；同时废水经过一级好氧处理后，采用复合催化臭氧氧化处理，提高废水的可生化性，有利于二级好氧处理；本处理系统既可以处理有机高盐分废水，也可以处理一般的综合工业废水；此外还具有处理能力大、运行费用低、处理效果好等优势。The beneficial effects of the utility model are: compared with the prior art, the wastewater treatment system provided by the utility model firstly performs desalination-pretreatment on the organic high-salinity wastewater, and the pretreated wastewater adopts anaerobic-secondary aerobic biochemical treatment process to increase the anti-load capacity and denitrification capacity of the biochemical system; at the same time, after the wastewater has undergone primary aerobic treatment, it adopts composite catalytic ozone oxidation treatment to improve the biodegradability of wastewater, which is beneficial to the secondary aerobic treatment; The system can not only treat organic high-salt wastewater, but also general comprehensive industrial wastewater; in addition, it has the advantages of large processing capacity, low operating cost, and good treatment effect.
附图说明Description of drawings
图1为本实用新型中实施例1的结构示意图。Fig. 1 is the structural representation of embodiment 1 in the utility model.
图2为本实用新型中实施例2的结构示意图。Fig. 2 is a schematic structural view of Embodiment 2 of the present utility model.
具体实施方式detailed description
下面结合附图和具体实施方式，进一步阐明本实用新型，应理解下述具体实施方式仅用于说明本实用新型而不用于限制本实用新型的范围。The utility model will be further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the utility model and are not intended to limit the scope of the utility model.
实施例1Example 1
如图1所示，一种有机高盐分废水处理系统，所述废水处理系统主要包括依次相连的隔油调节池、除油器、絮凝气浮池、中间水池、蒸发脱盐设备、微电解-fenton氧化池、气浮池、PH调整池、厌氧水解池、一级好氧-中沉池、二级好氧-二沉池、混凝沉淀池及排放水池，有机高盐分废水经上述废水处理系统处理达标后排放至管网；所述絮凝气浮池上设有液碱、复配剂及PAM输入口，所述中间水池上设有酸输入口，所述微电解-Fenton氧化池上设有酸、Fenton试剂输入口，所述气浮池上设有液碱、PAM输入口，所述PH调整池上设有酸输入口，所述混凝沉淀池上设有复配剂、PAM输入口。As shown in Figure 1, an organic high-salt wastewater treatment system, the wastewater treatment system mainly includes successively connected oil separation adjustment tanks, oil removers, flocculation air flotation tanks, intermediate pools, evaporation and desalination equipment, micro-electrolysis-fenton oxidation Pool, air flotation tank, PH adjustment tank, anaerobic hydrolysis tank, primary aerobic-middle sedimentation tank, secondary aerobic-secondary sedimentation tank, coagulation sedimentation tank and discharge pool, organic high-salt wastewater is treated by the above wastewater treatment system After reaching the standard, it is discharged to the pipe network; the flocculation air flotation tank is provided with liquid caustic soda, compounding agent and PAM input ports, the intermediate pool is provided with acid input ports, and the micro-electrolysis-Fenton oxidation tank is provided with acid, Fenton Reagent input ports, liquid caustic soda and PAM input ports are provided on the air flotation tank, acid input ports are provided on the PH adjustment tank, compound agent and PAM input ports are provided on the coagulation sedimentation tank.
所述的蒸发脱盐设备与微电解-Fenton氧化池之间设有调节池；所述调节池设有两个输入口，其中一个为经蒸发脱盐设备处理后的废水的输入口，另一个为其他废水的输入口。上述设计使得本系统既可以处理有机高盐分废水，也可以处理一般的综合工业废水。所述隔油调节池的数量为一个或多个。An adjustment pool is provided between the evaporative desalination equipment and the micro-electrolysis-Fenton oxidation pool; the adjustment pool is provided with two input ports, one of which is the input port of the waste water treated by the evaporative desalination equipment, and the other is other waste water input port. The above design makes this system not only able to treat organic high-salt wastewater, but also general comprehensive industrial wastewater. The number of the oil separation regulating pool is one or more.
上述废水处理系统的具体工作流程如下：高盐分废水进入隔油调节池，在池内对废水进行隔油调节处理，废水经过调节后进入絮凝气浮池，通过加入絮凝剂、液碱进行絮凝沉淀，对废水进行预处理。混凝气浮后的废水进入中间水池，在中间水池内加入硫酸调节PH值为中性，并通过负压吸入蒸发脱盐设备。在此过程中得到纯度相对高的氯化钠、硫酸钠、氯化铵盐作为副产品，其余作为盐渣；通过蒸发脱盐，去除废水中的盐分、CODCr以及氨氮。脱盐后的废水进入Fenton氧化池，通过Fenton氧化后加入液碱混凝气浮，气浮出水进入pH调整池，在池内调节pH为6～9后进入厌氧水解池。厌氧水解池出水进入一级好氧-中沉池，并设置污泥回流和硝化液回流。氧化出水流入，二级好氧-二沉池出水进入混凝沉淀池，通过加入复配剂、PAM去除出水的悬浮物，沉淀后的废水流入，每天定时对排放水池内的废水进行监测，当废水达标后排放至管网。The specific working process of the above-mentioned wastewater treatment system is as follows: high-salt wastewater enters the oil-separating adjustment tank, and the wastewater is subjected to oil-separating adjustment treatment in the tank. Wastewater is pretreated. The wastewater after coagulation and air flotation enters the intermediate pool, and sulfuric acid is added to the intermediate pool to adjust the pH value to be neutral, and it is sucked into the evaporation desalination equipment through negative pressure. In this process, relatively high-purity sodium chloride, sodium sulfate, and ammonium chloride salts are obtained as by-products, and the rest are used as salt residue; through evaporation and desalination, the salt, COD Cr , and ammonia nitrogen in the wastewater are removed. The desalinated wastewater enters the Fenton oxidation tank, and after being oxidized by Fenton, liquid caustic soda is added for coagulation and air flotation, and the water from the air flotation enters the pH adjustment tank. After adjusting the pH in the pool to 6-9, it enters the anaerobic hydrolysis tank. The effluent from the anaerobic hydrolysis tank enters the first-stage aerobic-medium sedimentation tank, and sludge return and nitrification liquid return are set. The oxidation effluent flows in, and the effluent from the secondary aerobic-secondary sedimentation tank enters the coagulation sedimentation tank. The suspended solids in the effluent are removed by adding compounding agent and PAM, and the wastewater after precipitation flows in. The wastewater in the discharge pool is monitored regularly every day. Wastewater is discharged to the pipe network after reaching the standard.
实施例2Example 2
如图2所示，一种有机高盐分废水处理系统，所述废水处理系统主要包括依次相连的隔油调节池、除油器、絮凝气浮池、中间水池、蒸发脱盐设备、微电解-fenton氧化池、气浮池、PH调整池、厌氧水解池、一级好氧-中沉池、二级好氧-二沉池、混凝沉淀池及排放水池，有机高盐分废水经上述废水处理系统处理达标后排放至管网；所述絮凝气浮池上设有液碱、复配剂及PAM输入口，所述中间水池上设有酸输入口，所述微电解-Fenton氧化池上设有酸、Fenton试剂输入口，所述气浮池上设有液碱、PAM输入口，所述PH调整池上设有酸输入口，所述混凝沉淀池上设有复配剂、PAM输入口。As shown in Figure 2, an organic high-salt wastewater treatment system, the wastewater treatment system mainly includes sequentially connected oil separation adjustment tank, oil remover, flocculation air flotation tank, intermediate pool, evaporation desalination equipment, micro-electrolysis-fenton oxidation Pool, air flotation tank, PH adjustment tank, anaerobic hydrolysis tank, primary aerobic-middle sedimentation tank, secondary aerobic-secondary sedimentation tank, coagulation sedimentation tank and discharge pool, organic high-salt wastewater is treated by the above wastewater treatment system After reaching the standard, it is discharged to the pipe network; the flocculation air flotation tank is provided with liquid caustic soda, compounding agent and PAM input ports, the intermediate pool is provided with acid input ports, and the micro-electrolysis-Fenton oxidation tank is provided with acid, Fenton Reagent input ports, liquid caustic soda and PAM input ports are provided on the air flotation tank, acid input ports are provided on the PH adjustment tank, compound agent and PAM input ports are provided on the coagulation sedimentation tank.
所述的蒸发脱盐设备与微电解-Fenton氧化池之间设有调节池；所述调节池设有两个输入口，其中一个为经蒸发脱盐设备处理后的废水的输入口，另一个为其他废水的输入口。上述设计使得本系统既可以处理有机高盐分废水，也可以处理一般的综合工业废水。An adjustment pool is provided between the evaporative desalination equipment and the micro-electrolysis-Fenton oxidation pool; the adjustment pool is provided with two input ports, one of which is the input port of the waste water treated by the evaporative desalination equipment, and the other is other waste water input port. The above design makes this system not only able to treat organic high-salt wastewater, but also general comprehensive industrial wastewater.
所述一级好氧-中沉池与二级好氧-二沉池之间设有复合催化臭氧氧化塔。废水经过一级好氧处理后，采用复合催化臭氧氧化处理，提高废水的可生化性，有利于二级好氧处理。所述隔油调节池的数量为一个或多个。A composite catalytic ozonation tower is arranged between the primary aerobic-intermediate sedimentation tank and the secondary aerobic-secondary sedimentation tank. After the wastewater undergoes primary aerobic treatment, it is treated with composite catalytic ozonation to improve the biodegradability of the wastewater, which is beneficial to the secondary aerobic treatment. The number of the oil separation regulating pool is one or more.
上述废水处理系统的具体工作流程如下：高盐分废水进入隔油调节池，在池内对废水进行隔油调节处理，废水经过调节后进入絮凝气浮池，通过加入絮凝剂、液碱进行絮凝沉淀，对废水进行预处理。混凝气浮后的废水进入中间水池，在中间水池内加入硫酸调节PH值为中性，并通过负压吸入蒸发脱盐设备。在此过程中得到纯度相对高的氯化钠、硫酸钠、氯化铵盐作为副产品，其余作为盐渣；通过蒸发脱盐，去除废水中的盐分、CODCr以及氨氮。脱盐后的废水进入Fenton氧化池，通过Fenton氧化后加入液碱混凝气浮，气浮出水进入pH调整池，在池内调节pH为6～9后进入厌氧水解池。厌氧水解池出水进入一级好氧-中沉池，并设置污泥回流和硝化液回流。氧化出水流入，二级好氧-二沉池出水进入混凝沉淀池，通过加入复配剂、PAM去除出水的悬浮物，沉淀后的废水流入，每天定时对排放水池内的废水进行监测，当废水达标后排放至管网。The specific working process of the above-mentioned wastewater treatment system is as follows: high-salt wastewater enters the oil-separating adjustment tank, and the wastewater is subjected to oil-separating adjustment treatment in the tank. Wastewater is pretreated. The wastewater after coagulation and air flotation enters the intermediate pool, and sulfuric acid is added to the intermediate pool to adjust the pH value to be neutral, and it is sucked into the evaporation desalination equipment through negative pressure. In this process, relatively high-purity sodium chloride, sodium sulfate, and ammonium chloride salts are obtained as by-products, and the rest are used as salt residue; through evaporation and desalination, the salt, COD Cr , and ammonia nitrogen in the wastewater are removed. The desalinated wastewater enters the Fenton oxidation tank, and after being oxidized by Fenton, liquid caustic soda is added for coagulation and air flotation, and the water from the air flotation enters the pH adjustment tank. After adjusting the pH in the pool to 6-9, it enters the anaerobic hydrolysis tank. The effluent from the anaerobic hydrolysis tank enters the first-stage aerobic-medium sedimentation tank, and sludge return and nitrification liquid return are set. The oxidation effluent flows in, and the effluent from the secondary aerobic-secondary sedimentation tank enters the coagulation sedimentation tank. The suspended solids in the effluent are removed by adding compounding agent and PAM, and the settled wastewater flows in. The wastewater in the discharge pool is monitored regularly every day. Wastewater is discharged to the pipe network after reaching the standard.
当排放的废水不能稳定达标时，可将一级好氧-中沉池的出水先流入到复合催化臭氧氧化塔中，在塔内通过臭氧氧化降解CODCr，提高废水的BOD5，然后再使废水流入二级好氧-二沉池，可提高废水的可生化性，有利于二级好氧处理。When the discharged wastewater cannot reach the standard stably, the effluent from the primary aerobic-sedimentation tank can first flow into the composite catalytic ozonation tower, where COD Cr is degraded by ozone oxidation to increase the BOD 5 of the wastewater, and then used The wastewater flows into the secondary aerobic-secondary sedimentation tank, which can improve the biodegradability of the wastewater and is beneficial to the secondary aerobic treatment.
上述的实施例仅仅是对本实用新型的优选实施方式进行描述，并非对本实用新型的构思和范围进行限定。在不脱离本实用新型设计构思的前提下，本领域普通人员对本实用新型的技术方案做出的各种变型和改进，均应落入到本实用新型的保护范围。The above-mentioned embodiments are only descriptions of preferred implementations of the present utility model, and are not intended to limit the concept and scope of the present utility model. On the premise of not departing from the design concept of the present utility model, various modifications and improvements made by ordinary persons in the art to the technical solution of the present utility model shall fall within the protection scope of the present utility model.
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