CN108249648A - A kind of multi-stage sewage electric flocculation processing system - Google Patents
A kind of multi-stage sewage electric flocculation processing system Download PDFInfo
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- 239000010865 sewage Substances 0.000 title claims abstract description 66
- 238000005189 flocculation Methods 0.000 title claims abstract 6
- 230000016615 flocculation Effects 0.000 title claims abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 238000004062 sedimentation Methods 0.000 claims abstract description 25
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 22
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000009297 electrocoagulation Methods 0.000 claims description 68
- 238000001179 sorption measurement Methods 0.000 claims description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000006004 Quartz sand Substances 0.000 claims description 8
- 229910021536 Zeolite Inorganic materials 0.000 claims description 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 7
- 239000010457 zeolite Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims 1
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 5
- 238000001556 precipitation Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 239000003463 adsorbent Substances 0.000 abstract 1
- 239000002659 electrodeposit Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- OKTJSMMVPCPJKN-IGMARMGPSA-N Carbon-12 Chemical class [12C] OKTJSMMVPCPJKN-IGMARMGPSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Water Treatment By Sorption (AREA)
Abstract
Description
技术领域technical field
本发明涉及污水处理领域，尤其是涉及一种多级污水电絮凝处理系统。The invention relates to the field of sewage treatment, in particular to a multistage sewage electrocoagulation treatment system.
背景技术Background technique
随着工业生产的进行，产生了大量的污水排放。现有的污水处理装置结构复杂，维修费用高，并且效率低、能耗高。往往处理过的污水还是不能够达到质量指标，排放后对水之源和环境造成严重污染。因此，如何通过有效的方式提高效率，如何提高技术手段来使污水处理达到质量要求是一个亟待解决的问题。With the progress of industrial production, a large amount of sewage discharge is generated. The existing sewage treatment device has complex structure, high maintenance cost, low efficiency and high energy consumption. Often the treated sewage still cannot meet the quality standards, causing serious pollution to water sources and the environment after discharge. Therefore, how to improve the efficiency in an effective way and how to improve the technical means to make the sewage treatment meet the quality requirements is an urgent problem to be solved.
发明内容Contents of the invention
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种多级污水电絮凝处理系统。The purpose of the present invention is to provide a multi-stage sewage electrocoagulation treatment system in order to overcome the above-mentioned defects in the prior art.
本发明的目的可以通过以下技术方案来实现：The purpose of the present invention can be achieved through the following technical solutions:
一种多级污水电絮凝处理系统，该装置包括：A multi-stage sewage electrocoagulation treatment system, the device includes:
水泵：与入水口连接，用以将污水泵入；Water pump: connected to the water inlet to pump sewage in;
主机装置：包括多个依次连接的电絮凝模块以及用以显示PH值、温度、浊度和水位信息并调节水泵流速和电絮凝模块电解电流的显示及监控模块，用以实现多级电解；Host device: including a plurality of electrocoagulation modules connected in sequence and a display and monitoring module for displaying PH value, temperature, turbidity and water level information and adjusting the flow rate of the water pump and the electrolysis current of the electrocoagulation module, so as to realize multi-stage electrolysis;
沉淀池：与主机装置连接，用以将电絮凝后的污水进行多级缓速和沉淀；Sedimentation tank: connected to the host device, used for multi-stage slowing and sedimentation of the sewage after electrocoagulation;
过滤及吸附装置：与沉淀池和出水口连接，用以对沉淀后的污水进行多级过滤吸附后排出。Filtration and adsorption device: It is connected with the sedimentation tank and the water outlet, and is used for multi-stage filtration and adsorption of the settled sewage before discharge.
所述的电絮凝模块为一端开口的圆筒状结构，包括阴极筒以及设置在阴极筒内的阳极棒，所述的阴极筒一端通过拆卸和组装接口密封，其顶部一侧设有电絮凝出水口，底部另一侧设有电絮凝进水口。The electrocoagulation module is a cylindrical structure with an open end, including a cathode cylinder and an anode rod arranged in the cathode cylinder. One end of the cathode cylinder is sealed through a disassembly and assembly interface. The other side of the bottom is equipped with an electrocoagulation water inlet.
每个电絮凝模块的输出电压V通过以下公式进行控制：The output voltage V of each electrocoagulation module is controlled by the following formula:
V＝V1+a·ΔZPH+b·∫ΔZPH+c·TV＝V 1 +a·ΔZ PH +b·∫ΔZ PH +c·T
其中，V1为基准电压，ΔZPH为PH偏差值，且ΔZPH＝ZPH-7，ZPH为PH值，T为电絮凝模块温度，a为比例系数，b为积分系数，c为温度系数。Among them, V 1 is the reference voltage, ΔZ PH is the pH deviation value, and ΔZ PH = Z PH -7, Z PH is the pH value, T is the temperature of the electrocoagulation module, a is the proportional coefficient, b is the integral coefficient, and c is the temperature coefficient.
所述的比例系数a的取值为：The value of the proportional coefficient a is:
积分系数b的取值为：The value of the integral coefficient b is:
温度系数c的取值为0.1，电絮凝模块的输出电压的范围为20-28V，基准电压V1取值为24V。The value of the temperature coefficient c is 0.1, the range of the output voltage of the electrocoagulation module is 20-28V, and the value of the reference voltage V 1 is 24V.
所述的水泵的输出流量Q通过以下公式进行控制：The output flow Q of the water pump is controlled by the following formula:
Q＝Q1+m·T+nPQ＝Q 1 +m·T+nP
其中，Q1为基准流量，T为电絮凝模块温度，P为电絮凝模块中污水浊度，m为温度系数，n为浊度系数。Among them, Q1 is the reference flow rate, T is the temperature of the electrocoagulation module, P is the turbidity of the sewage in the electrocoagulation module, m is the temperature coefficient, and n is the turbidity coefficient.
所述的浊度系数n的取值为：The value of described turbidity coefficient n is:
所述的基准流量Q1的取值为1m3/s，温度系数的取值为0.1。The value of the reference flow Q 1 is 1 m 3 /s, and the value of the temperature coefficient is 0.1.
所述的沉淀池内部在入口区域设置多块水流导向板，使流道呈S形，其出口区域设置沸石。A plurality of water flow guide plates are arranged in the inlet area of the sedimentation tank, so that the flow channel is S-shaped, and zeolite is arranged in the outlet area.
所述的过滤及吸附装置包括多个依次连接的过滤吸附管，每个过滤吸附管下部开设入口、上部开设出口，底部设有排污阀。The filter and adsorption device includes a plurality of filter adsorption pipes connected in sequence, each filter adsorption pipe has an inlet at the lower part, an outlet at the upper part, and a drain valve at the bottom.
所述的过滤吸附管内部设有过滤网、活性炭或石英砂。The inside of the filter adsorption tube is provided with a filter screen, activated carbon or quartz sand.
所述的阳极棒为圆柱状铝棒或不锈钢棒。The anode rod is a cylindrical aluminum rod or a stainless steel rod.
与现有技术相比，本发明具有以下优点：Compared with the prior art, the present invention has the following advantages:
一、多级电解沉淀、效率高：本发明设置了水泵、主机装置、沉淀池和过滤及吸附装置。在污水处理过程中，污水经过水泵、主机装置、沉淀池、过滤及吸附装置进行多级电解、沉淀、过滤和吸附，处理效率高，效果好。1. Multi-stage electrolytic precipitation and high efficiency: the present invention is equipped with a water pump, a host device, a sedimentation tank, and a filtration and adsorption device. In the sewage treatment process, the sewage is subjected to multi-stage electrolysis, precipitation, filtration and adsorption through water pumps, host devices, sedimentation tanks, filtration and adsorption devices, and the treatment efficiency is high and the effect is good.
二、电解电流稳定：本发明采用创新的电絮凝模块控制方法，根据污水的PH值、温度等信息变化控制电絮凝电压输出，保证电解电流恒定。2. Stable electrolysis current: The invention adopts an innovative electrocoagulation module control method to control the electrocoagulation voltage output according to changes in the pH value and temperature of sewage to ensure a constant electrolysis current.
三、水泵流量控制：本发明采用创新的水泵控制方法，根据污水的温度、浊度等信息变化控制水泵流量输出。3. Water pump flow control: The present invention adopts an innovative water pump control method to control the water pump flow output according to the temperature, turbidity and other information changes of sewage.
四、高效稳定：本发明的显示及监控模块能对污水PH值、温度、浊度和水位等信息监控和控制水泵运转，并控制电压使电解模块中的电解电流恒定，通过监控污水PH值、温度变化控制电絮凝输出电压来保证污水电解时的电流恒定，保持高效稳定的电解速度。通过监控污水温度、浊度信息变化控制水泵流量输出，保证对污水物沉淀效果最佳的情况下水泵输出流量最大。Four, efficient and stable: the display and monitoring module of the present invention can monitor and control the operation of the water pump for information such as sewage pH value, temperature, turbidity and water level, and control the voltage to make the electrolysis current in the electrolysis module constant. By monitoring the sewage pH value, Temperature changes control the output voltage of electrocoagulation to ensure a constant current during sewage electrolysis and maintain an efficient and stable electrolysis speed. Control the flow output of the water pump by monitoring the temperature and turbidity information changes of the sewage to ensure the maximum output flow of the water pump under the condition of the best effect on sewage sedimentation.
五、适用于重金属、核废水及化工污水物：本发明的电絮凝模块为阳极和阴电极之间可拆卸的圆柱形结构，所述阳极为圆柱状铝或不锈钢材质，电解时自身不会产生污染；阴极为电絮凝模块的外壁内侧，电絮凝模块底端设有入水口，顶端设有出水口，污水流经电絮凝模块由下至上，液体能和阴阳电极充分接触，电解面积达到最大，电絮凝模块对密度大于水(1.0g/cm3)的污水物有沉淀作用，可以多个电絮凝模块串联从而达到多级电解效果。5. Applicable to heavy metal, nuclear wastewater and chemical sewage: the electroflocculation module of the present invention is a detachable cylindrical structure between the anode and the cathode, and the anode is made of cylindrical aluminum or stainless steel, which will not generate Pollution; the cathode is the inner side of the outer wall of the electrocoagulation module. There is a water inlet at the bottom of the electrocoagulation module and a water outlet at the top. The sewage flows through the electrocoagulation module from bottom to top. The liquid can fully contact with the positive and negative electrodes, and the electrolysis area reaches the largest. The electrocoagulation module has a sedimentation effect on sewage with a density greater than water (1.0g/cm 3 ), and multiple electrocoagulation modules can be connected in series to achieve a multi-stage electrolysis effect.
六、减小流速提高净化效果：本发明的沉淀池一侧顶端设有入水口，另一侧底端设有出水口，入水口与出水口之间设有水流导向板，出水口一侧放置沸石，水流导向板能有效改变污水从入水口到出水口的流速，起到减速效果，增加液体和沸石的接触时间，提高净化污水效果，水流导向板可根据具体实际情况安装数量多少。Six, reduce the flow rate and improve the purification effect: the top of one side of the sedimentation tank of the present invention is provided with a water inlet, and the bottom of the other side is provided with a water outlet, and a water flow guide plate is provided between the water inlet and the water outlet, and the side of the water outlet is placed Zeolite and water flow guide plate can effectively change the flow rate of sewage from water inlet to water outlet, play a deceleration effect, increase the contact time between liquid and zeolite, and improve the effect of purifying sewage. The number of water flow guide plates can be installed according to the actual situation.
七、自我清洗、充分净水：本发明的过滤及吸附装置包括过滤装置和吸附装置，过滤及吸附装置底端设有入水口，顶端设有出水口，内部包括过滤网、活性炭和石英砂，底部设有排污阀，液体从入水口到出水口至下而上，一次通过过滤网、活性炭和石英砂，液体和活性炭、石英砂之间能够充分接触，净水效果达到最大，通过过滤及吸附装置底部的排污阀排出累积在内部的污垢，里面的液体至上而下从排污阀流出，从而达到自我清洗功能。7. Self-cleaning and sufficient water purification: the filtration and adsorption device of the present invention includes a filtration device and an adsorption device. The bottom of the filtration and adsorption device is provided with a water inlet, and the top is provided with a water outlet. The interior includes a filter screen, activated carbon and quartz sand. There is a sewage valve at the bottom. The liquid passes through the filter, activated carbon and quartz sand once from the water inlet to the water outlet. The liquid can fully contact with the activated carbon and quartz sand, and the water purification effect is maximized. The drain valve at the bottom of the device discharges the dirt accumulated inside, and the liquid inside flows out from the drain valve from top to bottom, so as to achieve the self-cleaning function.
附图说明Description of drawings
图1为本发明污水电絮凝处理系统的结构示意图。Fig. 1 is a structural schematic diagram of the sewage electrocoagulation treatment system of the present invention.
图2为本发明电絮凝模块的结构示意图。Fig. 2 is a structural schematic diagram of the electrocoagulation module of the present invention.
图中标记说明：Instructions for marks in the figure:
1、水泵，2、主机装置，3、沉淀池，4、过滤及吸附装置，5、入水口，6、出水口，7、显示及控制模块，8、电絮凝模块，9、水流导向板，10、沸石，11、过滤网，12、活性炭，13、排污阀，14、石英砂，15、阳极棒，16、阴极筒，17、拆卸和组装接口，18、电絮凝模块入水口，19、电絮凝模块出水口。1. Water pump, 2. Host device, 3. Sedimentation tank, 4. Filtration and adsorption device, 5. Water inlet, 6. Water outlet, 7. Display and control module, 8. Electrocoagulation module, 9. Water flow guide plate, 10. Zeolite, 11. Filter screen, 12. Activated carbon, 13. Sewage valve, 14. Quartz sand, 15. Anode rod, 16. Cathode cylinder, 17. Disassembly and assembly interface, 18. Electrocoagulation module water inlet, 19, Water outlet of the electrocoagulation module.
具体实施方式Detailed ways
下面结合附图和具体实施例对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
实施例Example
如图1所示，本发明提供一种污水电絮凝处理系统，包括水泵1、主机装置2、沉淀池3和过滤及吸附装置4，水泵1连接入水口5，另一端并连接主机装置2的底端，主机装置2的顶端连接沉淀池3的顶端，沉淀池3的底端连接过滤及吸附装置4的底端，过滤及吸附装置4顶端连接出水口5，主机装置2由显示及控制模块7和电絮凝模块8组成，沉淀池3为长方体结构并设有水流导向板9；过滤及吸附装置4安装了排污阀13、过滤网11并且内部放置了活性炭12和石英砂14。As shown in Figure 1, the present invention provides a sewage electrocoagulation treatment system, including a water pump 1, a host device 2, a sedimentation tank 3 and a filtration and adsorption device 4, the water pump 1 is connected to the water inlet 5, and the other end is connected to the host device 2 At the bottom, the top of the host device 2 is connected to the top of the sedimentation tank 3, the bottom of the sedimentation tank 3 is connected to the bottom of the filtration and adsorption device 4, the top of the filtration and adsorption device 4 is connected to the water outlet 5, and the host device 2 is controlled by the display and control module 7 and an electrocoagulation module 8, the sedimentation tank 3 is a cuboid structure and is provided with a water flow guide plate 9; the filtration and adsorption device 4 is equipped with a drain valve 13, a filter screen 11, and activated carbon 12 and quartz sand 14 are placed inside.
本发明污水处理的过程如下：The process of sewage treatment of the present invention is as follows:
首先污水通过水泵1由入水口进入到主机装置2的电絮凝模块8，电絮凝模块8底端设有入水口，顶端设有出水口，多个电絮凝模块8串联，污水由下往上流经电絮凝模块，污水被多级电解；电解后除去铬、氰、重金属离子、油、悬浮物、胶体状态或溶解状态的染料分子。First, the sewage enters the electrocoagulation module 8 of the host device 2 from the water inlet through the water pump 1. The bottom of the electrocoagulation module 8 is provided with a water inlet, and the top is provided with a water outlet. Multiple electrocoagulation modules 8 are connected in series, and the sewage flows from bottom to top. In the electrocoagulation module, the sewage is electrolyzed in multiple stages; after electrolysis, chromium, cyanide, heavy metal ions, oil, suspended solids, dye molecules in colloidal or dissolved states are removed.
主机模块2的显示及控制模块7监测污水电解时PH值、温度、浊度和水位等信息，并根据污水PH值、温度等信息变化控制电絮凝模块电压输出，控制方法如下：The display and control module 7 of the host module 2 monitors the pH value, temperature, turbidity, water level and other information during sewage electrolysis, and controls the voltage output of the electrocoagulation module according to the changes in sewage pH value, temperature and other information. The control method is as follows:
输出控制为：V＝V1+a·ΔZPH+b·∫ΔZPH+c·T，输出电压上下限为20-28V。The output control is: V=V 1 +a·ΔZ PH +b·∫ΔZ PH +c·T, and the upper and lower limits of the output voltage are 20-28V.
其中，V1为基准电压，V1＝24V；ΔZPH为PH偏差值，ΔZPH＝ZPH-7；T为电絮凝模块温度；a为比例系数；Among them, V 1 is the reference voltage, V 1 =24V; ΔZ PH is the pH deviation value, ΔZ PH =Z PH -7; T is the temperature of the electrocoagulation module; a is the proportional coefficient;
b为积分系数；c为温度系数；c＝0.1；b is integral coefficient; c is temperature coefficient; c=0.1;
以上系数可根据具体实施情况取值。The above coefficients can be selected according to specific implementation conditions.
该控制方法，通过污水的PH值、温度等信息来控制电絮凝模块的电压输出，保证电解电流的恒定使整个电解过程高效稳定。显示及监控模块7根据污水的温度、浊度等信息控制水泵的流量输出，控制方法如下：In this control method, the voltage output of the electrocoagulation module is controlled through information such as the pH value and temperature of the sewage, so as to ensure the constant electrolysis current and make the entire electrolysis process efficient and stable. The display and monitoring module 7 controls the flow output of the water pump according to the temperature, turbidity and other information of the sewage, and the control method is as follows:
输出控制为：Q＝Q1+m·T+nP，水泵的流量输出上限为2.5m3/s。The output control is: Q=Q 1 +m·T+nP, and the flow output upper limit of the water pump is 2.5m 3 /s.
其中，Q1为基准流量，Q1＝1.5m3/s；T为电絮凝模块温度；P为电絮凝模块中污水浊度；m为温度系数，m＝0.1；n为浊度系数；Among them, Q 1 is the reference flow rate, Q 1 =1.5m 3 /s; T is the temperature of the electrocoagulation module; P is the turbidity of sewage in the electrocoagulation module; m is the temperature coefficient, m=0.1; n is the turbidity coefficient;
以上系数可根据具体实施情况取值。The above coefficients can be selected according to specific implementation conditions.
该控制方法，通过污水的温度、浊度等信息来控制水泵流量输出，使污水在电絮凝处理过程中对重金属等污水物的沉淀效果达到最佳的情况下保证水泵流量输出最大。电解后的液体输送至沉淀池3，该沉淀池3一侧顶端设有入水口，另一侧底端设有出水口，入水口与出水口之间设有水流导向板9，出水口一侧放置沸石10。水流导向板9能有效改变污水从入水口到出水口的流速，起到减速效果。增加液体和沸石10的接触时间，提高净化污水效果。沉淀池3出水口连通过滤及吸附装置4的入水口，过滤及吸附装置4底端设有入水口，顶端设有出水口，液体通过过滤及吸附装置时由下往上先经过过滤网11和活性炭12，再经过石英砂14然后从出水口流出。污水经过电絮凝模块8、沉淀池3、过滤及吸附装置4多级电解、沉淀、过滤和吸附净化完成污水处理。In this control method, the flow output of the water pump is controlled by information such as the temperature and turbidity of the sewage, so as to ensure the maximum flow output of the water pump under the condition that the sewage has the best precipitation effect on heavy metals and other sewage in the process of electrocoagulation treatment. The liquid after electrolysis is transported to the sedimentation tank 3, and the top of one side of the sedimentation tank 3 is provided with a water inlet, and the bottom of the other side is provided with a water outlet, and a water flow guide plate 9 is arranged between the water inlet and the water outlet, and one side of the water outlet Place Zeolite 10. The water flow guide plate 9 can effectively change the flow velocity of the sewage from the water inlet to the water outlet, so as to reduce the speed. The contact time between liquid and zeolite 10 is increased to improve the effect of purifying sewage. The water outlet of the sedimentation tank 3 is connected to the water inlet of the filtration and adsorption device 4. The bottom of the filtration and adsorption device 4 is provided with a water inlet, and the top is provided with a water outlet. When the liquid passes through the filtration and adsorption device, it first passes through the filter screen 11 and Activated carbon 12 passes through quartz sand 14 and then flows out from the water outlet. Sewage is treated by multi-stage electrolysis, sedimentation, filtration and adsorption purification through the electrocoagulation module 8, the sedimentation tank 3, and the filtration and adsorption device 4.
如图2所示，当污水从水泵1到主机装置2时，实际上时进入到主机装置2的电絮凝模块8，电絮凝模块设有入水口18和出水口19，入水口18在电絮凝模块8的底端，出水口19在电絮凝模块8的顶端。液体由下往上，整个电絮凝模块8内部都会装满水，对重金属、核废水及化工污水物中密度大于水(1.0g/cm3)的污染物会自动沉淀在电絮凝模块8的底部，电絮凝模块8的阴阳极和里面的液体充分接触，液体能够充分的电解。电絮凝模块8的阳极和阴极设计为可拆卸和组装结构；阳极棒15和阴极筒16通过拆卸和组装接口17连接。阳极采用铝或者不锈钢材质，电解过程中自身不会产生污染，这种拆卸和组装结构的设计方便拆卸电絮凝模块来清除里面沉淀和电解积累的杂质和污染物，以及更换阳极或者阴极。As shown in Figure 2, when the sewage is from the water pump 1 to the host device 2, it actually enters the electrocoagulation module 8 of the host device 2. The electrocoagulation module is provided with a water inlet 18 and a water outlet 19. At the bottom of the module 8 , the water outlet 19 is at the top of the electrocoagulation module 8 . The liquid moves from bottom to top, and the entire electrocoagulation module 8 will be filled with water. For heavy metals, nuclear wastewater and chemical sewage, pollutants with a density greater than water (1.0g/cm 3 ) will automatically settle at the bottom of the electrocoagulation module 8 , the cathode and anode of the electrocoagulation module 8 are fully in contact with the liquid inside, and the liquid can be fully electrolyzed. The anode and cathode of the electrocoagulation module 8 are designed as detachable and assembled structures; the anode rod 15 and the cathode cylinder 16 are connected through the disassembly and assembly interface 17 . The anode is made of aluminum or stainless steel, and it will not produce pollution during the electrolysis process. The design of this disassembly and assembly structure facilitates the disassembly of the electrocoagulation module to remove impurities and pollutants accumulated in precipitation and electrolysis, and to replace the anode or cathode.
最后有必要在此指出的是：以上仅为本发明较佳的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。Finally, it is necessary to point out that: the above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, Easily conceivable changes or substitutions shall fall within the protection scope of the present invention.
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