CN206570102U - Automatic cleaning-type device for electrochemical water preparation - Google Patents
Automatic cleaning-type device for electrochemical water preparation Download PDFInfo
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- CN206570102U CN206570102U CN201720246726.2U CN201720246726U CN206570102U CN 206570102 U CN206570102 U CN 206570102U CN 201720246726 U CN201720246726 U CN 201720246726U CN 206570102 U CN206570102 U CN 206570102U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000002360 preparation method Methods 0.000 title claims abstract 7
- 238000011282 treatment Methods 0.000 claims abstract description 52
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000011010 flushing procedure Methods 0.000 claims description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000012993 chemical processing Methods 0.000 claims 1
- 230000006837 decompression Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 13
- 239000010865 sewage Substances 0.000 description 14
- 230000001105 regulatory effect Effects 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 241000195493 Cryptophyta Species 0.000 description 5
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Inorganic materials Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 5
- 238000004659 sterilization and disinfection Methods 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000010936 titanium Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229910019440 Mg(OH) Inorganic materials 0.000 description 1
- 239000003619 algicide Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- -1 chlorine ions Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
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- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000002455 scale inhibitor Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
Description
技术领域technical field
本实用新型涉及一种循环水电化学处理处理装置，特别是涉及一种自动清洗型电化学水处理装置。The utility model relates to an electrochemical treatment device for circulating water, in particular to an automatic cleaning type electrochemical water treatment device.
背景技术Background technique
循环冷却水在系统内不断循环蒸发浓缩，碳酸盐的浓度随着浓缩不断增加，当碳酸盐浓度超过其饱和浓度或者流经换热器温度升高就会生成水垢影响换热效率甚至堵塞管道。The circulating cooling water is continuously circulated and evaporated in the system, and the concentration of carbonates increases with the concentration. When the concentration of carbonates exceeds its saturation concentration or the temperature of the heat exchanger rises, scale will be formed, which will affect the heat exchange efficiency and even block it. pipeline.
循环冷却水中的细菌和藻类受养分的浓缩、水温升高及日光照射等因素的影响会迅速繁殖，微生物分泌粘液产生黏泥降低传热效率，阻塞水道和导致微生物腐蚀。Bacteria and algae in circulating cooling water will multiply rapidly due to factors such as nutrient concentration, water temperature rise, and sunlight exposure. Microorganisms secrete mucus and produce slime to reduce heat transfer efficiency, block waterways and cause microbial corrosion.
国内绝大多数企业采用加药维持水质稳定，定期向循环水内投加缓蚀阻垢剂来防止管道和换热设备腐蚀结垢，定期投加杀菌灭藻剂来防止菌藻的滋生等，这种方法运行成本高，系统强制排污的废水中含有的有机磷化物会对环境造成污染并且浪费水资源。The vast majority of domestic enterprises use dosing to maintain stable water quality, regularly add corrosion and scale inhibitors to circulating water to prevent corrosion and scaling of pipelines and heat exchange equipment, and regularly add bactericide and algicide to prevent the growth of bacteria and algae, etc. The operation cost of this method is high, and the organic phosphorous compound contained in the waste water that is forced to discharge by the system will pollute the environment and waste water resources.
电化学水处理技术是指利用电化学的氧化还原反应，通过施加在正、负极间一定的直流电压产生的直流电，使水在阴极还原为OH-，OH-离子破坏阴极的碱度和硬度平衡，使溶液中的HCO3 -转化为CO3 2-与循环水中的Ca2+及Mg2+反应生成CaCO3及Mg(OH)2等沉淀。此外Ca2+及Mg2+也会在静电吸引的作用下向阴极迁移加速这一反应的进行，从而降低水体硬度。同时在阳极区水中的氯离子氧化为氯气、次氯酸、次氯酸根，实现杀菌灭藻。Electrochemical water treatment technology refers to the use of electrochemical oxidation-reduction reactions to reduce water to OH - at the cathode by applying a certain DC voltage between the positive and negative electrodes to generate direct current, and the OH - ions destroy the alkalinity and hardness balance of the cathode , HCO 3 - in the solution is converted into CO 3 2- and Ca 2+ and Mg 2+ in the circulating water react to form CaCO 3 and Mg(OH) 2 and other precipitates. In addition, Ca 2+ and Mg 2+ will also migrate to the cathode under the action of electrostatic attraction to accelerate the reaction, thereby reducing the hardness of the water body. At the same time, the chlorine ions in the water in the anode area are oxidized to chlorine gas, hypochlorous acid, and hypochlorite radicals to achieve sterilization and algae removal.
现有的电化学处理设备多采用机械刮刀处理阴极结垢，或者采用将电化学处理设备置于循环水池中一定时间后取出进行清理，这两种方式都存在一些弊端，前者，机械刮刀容易损害电极表面且随着磨损的不断发生运行不稳定，后者无法实现连续稳定运行。Existing electrochemical treatment equipment mostly uses a mechanical scraper to deal with cathode scaling, or puts the electrochemical treatment equipment in a circulating water pool for a certain period of time and then takes it out for cleaning. Both of these methods have some disadvantages. In the former, the mechanical scraper is easy to damage The surface of the electrode and the operation are unstable with the continuous occurrence of wear, and the latter cannot achieve continuous and stable operation.
另外，现有的电化学处理设备对电极板是否应该清理的判断方式复杂，电极板结垢需要清理最直观的表现是电流下降，通过电流的下降值并与运行时长结合起来判断电极板清理的时间点最为简单、合理。In addition, the existing electrochemical treatment equipment has a complicated way of judging whether the electrode plate should be cleaned. The most intuitive manifestation of electrode plate scaling that needs to be cleaned is the current drop. The current drop value is combined with the operating time to judge the cleaning of the electrode plate. The time point is the most simple and reasonable.
发明内容Contents of the invention
为了克服上述现有技术的不足，本实用新型提供一种自动清洗型电化学水处理装置，可以在不使用化学药剂的情况下实现循环水的除垢以及杀菌灭藻，在不使用机械刮刀以及不需人工清理的情况下实现连续稳定运行。In order to overcome the shortcomings of the above-mentioned prior art, the utility model provides a self-cleaning electrochemical water treatment device, which can realize descaling and sterilization of circulating water without using chemical agents, without using mechanical scrapers and Continuous and stable operation is achieved without manual cleaning.
为达到以上目的，本实用新型采用如下技术方案：In order to achieve the above object, the utility model adopts the following technical solutions:
自动清洗型电化学水处理装置，包括电化学处理装置5，设置在电化学处理装置5侧下部的进水管19、对侧面上部的出水管22，设置在电化学处理装置5顶部的冲洗水管21、底部的排污管18，所述进水管19、出水管22和冲洗水管21的另一端均连通循环水池2；进水管19接于循环水泵3出口母管上，循环水从循环水泵3出口到电化学处理装置5再回到循环水池2，形成循环旁路处理，除垢的同时将处理后的含有次氯酸、次氯酸根的循环水返回循环水池，实现杀菌灭藻的功能；The self-cleaning electrochemical water treatment device includes an electrochemical treatment device 5, a water inlet pipe 19 arranged at the lower part of the electrochemical treatment device 5, a water outlet pipe 22 at the upper part of the opposite side, and a flushing water pipe 21 arranged at the top of the electrochemical treatment device 5 , the sewage pipe 18 at the bottom, the other end of the water inlet pipe 19, the water outlet pipe 22 and the flushing water pipe 21 are all connected to the circulating pool 2; The electrochemical treatment device 5 returns to the circulating water pool 2 again to form a circulating bypass treatment. While descaling, the treated circulating water containing hypochlorous acid and hypochlorite is returned to the circulating pool to realize the function of sterilization and algae removal;
还包括依次设置在进水管19上的进口电动阀10、流量计9、进口球阀8及减压阀7，进口球阀8兼顾调节处理水流量的作用，设置在出水管22上的出口电动阀14和出口电动阀前球阀13，设置在冲洗水管21上的冲洗电动阀12和冲洗电动阀前球阀11，设置在排污管18上的排污电动阀16和排污电动阀前球阀15；It also includes an inlet electric valve 10, a flow meter 9, an inlet ball valve 8, and a pressure reducing valve 7 which are sequentially arranged on the water inlet pipe 19. And outlet electric valve front ball valve 13, flushing electric valve 12 and flushing electric valve front ball valve 11 arranged on the flushing water pipe 21, sewage electric valve 16 and sewage electric valve front ball valve 15 arranged on the sewage pipe 18;
还包括与进口电动阀10、出口电动阀14、冲洗电动阀12、排污电动阀16以及电化学处理装置5的阳极板24和阴极板25连接的控制柜6。It also includes a control cabinet 6 connected to the inlet electric valve 10 , outlet electric valve 14 , flushing electric valve 12 , blowdown electric valve 16 , and the anode plate 24 and cathode plate 25 of the electrochemical treatment device 5 .
所述电化学处理装置5包括下部箱体17和上部密封盖20，二者通过螺栓连接，下部箱体17的底部为漏斗状；下部箱体17侧壁有卡槽23，卡槽23上固定有阳极板24和阴极板25，阳极板24和阴极板25交错平行布置，相同极性的极板通过螺栓与导线相互连接最后引出下部箱体17与控制柜6内的稳压直流电源连接。Described electrochemical treatment device 5 comprises lower box body 17 and upper sealing cover 20, and the two are connected by bolts, and the bottom of lower box body 17 is funnel-shaped; There are anode plates 24 and cathode plates 25, the anode plates 24 and the cathode plates 25 are arranged in parallel, and the plates of the same polarity are connected to each other through bolts and wires, and finally the lower box 17 is connected to the regulated DC power supply in the control cabinet 6.
所述进水管19和出水管22均为母管—支管式布置，支管位于相邻的两块电极板中间；上部密封盖20顶部的冲洗水管21也为母管—支管式布置。The water inlet pipe 19 and the water outlet pipe 22 are arranged in a main pipe-branch type, and the branch pipe is located in the middle of two adjacent electrode plates; the flushing water pipe 21 on the top of the upper sealing cover 20 is also arranged in a main pipe-branch type.
所述阳极板24和阴极板25为网状平板电极或者平板式电极，阳极为镀铂钛阳极，阴极为钛阴极或者不锈钢阴极。The anode plate 24 and the cathode plate 25 are mesh plate electrodes or plate electrodes, the anode is a platinum-plated titanium anode, and the cathode is a titanium cathode or a stainless steel cathode.
电化学处理装置5的下部箱体17和上部密封盖20为不锈钢材质内衬绝缘涂层。The lower casing 17 and the upper sealing cover 20 of the electrochemical processing device 5 are made of stainless steel and lined with an insulating coating.
所述的自动清洗型电化学水处理装置的运行方法，运行中通过控制柜6打开电化学处理装置5的进口电动阀10及出口电动阀14，关闭冲洗电动阀12及排污电动阀16，监测运行过程中电化学处理装置5的阳极板24和阴极板25间的电流相对于初始电流的电流降，当电流降低1A或者运行时间达到36h后进行阳极板24和阴极板25的自清洗，此时，关闭电化学处理装置5的进口电动阀10及出口电动阀14，打开电化学处理装置冲洗电动阀12及排污电动阀16，切换稳压直流电源正负极，电压增大至运行电压的3倍，倒电极处理5min后，关闭电化学处理装置5的冲洗电动阀12及排污电动阀16，打开电化学处理装置5的进口电动阀10及出口电动阀14，将稳压直流电源正负极切换回来，电压至恢复正常运行电压，恢复正常运行；进口球阀8兼顾调节处理水流量的作用，冲洗电动阀前球阀11、出口电动阀前球阀13和排污电动阀前球阀15正常运行过程中保持全开。In the operation method of the self-cleaning type electrochemical water treatment device, the inlet electric valve 10 and the outlet electric valve 14 of the electrochemical treatment device 5 are opened through the control cabinet 6 during operation, the flushing electric valve 12 and the sewage electric valve 16 are closed, and monitoring During operation, the electric current between the anode plate 24 and the cathode plate 25 of the electrochemical treatment device 5 drops relative to the initial current. When the current drops by 1A or the running time reaches 36h, the anode plate 24 and the cathode plate 25 are self-cleaned. , close the inlet electric valve 10 and the outlet electric valve 14 of the electrochemical treatment device 5, open the flushing electric valve 12 and the sewage electric valve 16 of the electrochemical treatment device, switch the positive and negative poles of the regulated DC power supply, and the voltage increases to the operating voltage 3 times, after 5 minutes of inverted electrode treatment, close the flushing electric valve 12 and the sewage electric valve 16 of the electrochemical treatment device 5, open the inlet electric valve 10 and the outlet electric valve 14 of the electrochemical treatment device 5, and connect the positive and negative DC power supply switch back, the voltage returns to the normal operating voltage, and resumes normal operation; the inlet ball valve 8 takes into account the role of regulating the flow of treated water, and the front ball valve 11 of the flushing electric valve, the front ball valve 13 of the outlet electric valve and the front ball valve 15 of the sewage electric valve are in normal operation. Keep it wide open.
进水通过减压阀7后的压力设为0.2Mpa。The pressure after the inlet water passes through the pressure reducing valve 7 is set at 0.2Mpa.
本实用新型具有如下优点：The utility model has the following advantages:
1、具有对循环水阻垢及杀菌的功能，稳定循环水水质，提高循环水浓缩倍率，无需投用药剂及排污，节约用水。1. It has the functions of scale inhibition and sterilization of circulating water, stabilizes the water quality of circulating water, increases the concentration ratio of circulating water, does not need to use chemicals and discharge sewage, and saves water.
2、设备可实现对阴、阳极板间电压及处理水流量的调节，根据需求改变处理量。2. The equipment can realize the adjustment of the voltage between the cathode and anode plates and the flow rate of the treated water, and change the treatment capacity according to the demand.
3、通过流经极板间的电流的下降值来判断电极板是否需要清洗，并结合考虑运行时间，直观、准确、易实现。3. Judging whether the electrode plates need to be cleaned is judged by the drop value of the current flowing between the plates, and combined with consideration of the running time, which is intuitive, accurate and easy to implement.
4、极板清洗不使用机械刮刀，通过倒电极的方式清洗结垢电极板，效果显著、稳定。4. The cleaning of the electrode plate does not use a mechanical scraper, and the scaled electrode plate is cleaned by inverting the electrode, and the effect is remarkable and stable.
5、本装置可实现全自动运行，自动在运行与清洗模式中切换，无需人为操作，设备简单、可靠性高。5. This device can realize fully automatic operation, automatically switch between operation and cleaning modes, without manual operation, simple equipment and high reliability.
附图说明Description of drawings
图1是本实用新型在循环水系统中应用的流程图。Fig. 1 is a flowchart of the application of the utility model in a circulating water system.
图2是本实用新型电化学处理装置主体结构示意图。Fig. 2 is a schematic diagram of the main structure of the electrochemical treatment device of the present invention.
图3是本实用新型电化学处理装置装入电极板的一种实施示意图。Fig. 3 is a schematic diagram of an implementation of the electrochemical treatment device of the present invention loaded into an electrode plate.
图1中：1为循环水冷却塔，4为循环水换热器。Among Fig. 1: 1 is the circulating water cooling tower, 4 is the circulating water heat exchanger.
具体实施方式：detailed description:
如图1、图2和图3所示，本实用新型自动清洗型电化学水处理装置，安装在循环水泵后，能够对循环水进行旁路处理，包括电化学处理装置5，设置在电化学处理装置5侧下部的进水管19、对侧面上部的出水管22，设置在电化学处理装置5顶部的冲洗水管21、底部的排污管18，所述进水管19、出水管22和冲洗水管21的另一端均连通循环水池2；进水管19接于循环水泵3出口母管上，循环水从循环水泵3出口到电化学处理装置5再回到循环水池2，形成循环旁路处理，除垢的同时将处理后的含有次氯酸、次氯酸根的循环水返回循环水池，实现杀菌灭藻的功能；还包括依次设置在进水管19上的进口电动阀10、流量计9、进口球阀8及减压阀7，进口球阀8兼顾调节处理水流量的作用，设置在出水管22上的出口电动阀14和出口电动阀前球阀13，设置在冲洗水管21上的冲洗电动阀12和冲洗电动阀前球阀11，设置在排污管18上的排污电动阀16和排污电动阀前球阀15；还包括与进口电动阀10、出口电动阀14、冲洗电动阀12、排污电动阀16以及电化学处理装置5的阳极板24和阴极板25连接的控制柜6。As shown in Fig. 1, Fig. 2 and Fig. 3, the self-cleaning electrochemical water treatment device of the present utility model is installed behind the circulating water pump, and can carry out bypass treatment to the circulating water, including the electrochemical treatment device 5, which is arranged on the electrochemical The water inlet pipe 19 at the lower part of the treatment device 5, the water outlet pipe 22 at the upper part of the opposite side, the flushing water pipe 21 at the top of the electrochemical treatment device 5, the sewage discharge pipe 18 at the bottom, the water inlet pipe 19, the water outlet pipe 22 and the flushing water pipe 21 The other end of each is connected to the circulating pool 2; the water inlet pipe 19 is connected to the main pipe at the outlet of the circulating water pump 3, and the circulating water flows from the outlet of the circulating water pump 3 to the electrochemical treatment device 5 and then returns to the circulating pool 2 to form a circulating bypass for treatment and descaling At the same time, the processed circulating water containing hypochlorous acid and hypochlorite is returned to the circulating pool to realize the function of sterilization and algae removal; it also includes an imported electric valve 10, a flow meter 9, and an imported ball valve 8 arranged on the water inlet pipe 19 in sequence. And the pressure reducing valve 7, the inlet ball valve 8 take into account the role of regulating the flow of treated water, the outlet electric valve 14 and the outlet electric valve front ball valve 13 arranged on the outlet pipe 22, the flushing electric valve 12 and the flushing electric valve arranged on the flushing water pipe 21 Ball valve 11 before the valve, electric blowdown valve 16 and ball valve 15 before blowdown electric valve arranged on the blowdown pipe 18; The anode plate 24 and the cathode plate 25 of the device 5 are connected to the control cabinet 6 .
如图2和图3所示，所述电化学处理装置5包括下部箱体17和上部密封盖20，二者通过螺栓连接，下部箱体17的底部为漏斗状；下部箱体17侧壁有卡槽23，卡槽23上固定有阳极板24和阴极板25，阳极板24和阴极板25交错平行布置，相同极性的极板通过螺栓与导线相互连接最后引出下部箱体17与控制柜6内的稳压直流电源连接。As shown in Fig. 2 and Fig. 3, described electrochemical treatment device 5 comprises lower box body 17 and upper sealing cover 20, and the two are connected by bolts, and the bottom of lower box body 17 is funnel-shaped; Lower box body 17 side walls have The card slot 23, the anode plate 24 and the cathode plate 25 are fixed on the card slot 23, the anode plate 24 and the cathode plate 25 are arranged alternately and parallel, the plates of the same polarity are connected to each other by bolts and wires, and finally the lower box body 17 is led out to the control cabinet The regulated DC power supply within 6 is connected.
作为本实用新型的优选实施方式，所述进水管19和出水管22均为母管—支管式布置，支管位于相邻的两块电极板中间；上部密封盖20顶部的冲洗水管21也为母管—支管式布置。母管—支管式布置的好处在于运行时母管—支管式布置保证了流经每块电极板的水流均一稳定，自动清洗时母管—支管式布置保证了对电极板冲洗的均匀全面。As a preferred embodiment of the present utility model, the water inlet pipe 19 and the water outlet pipe 22 are arranged in a main pipe-branch type, and the branch pipe is located in the middle of two adjacent electrode plates; the flushing water pipe 21 on the top of the upper sealing cover 20 is also Mother pipe-branch pipe arrangement. The advantage of the main pipe-branch arrangement is that the main pipe-branch arrangement ensures uniform and stable water flow through each electrode plate during operation, and the main pipe-branch arrangement ensures uniform washing of the electrode plates during automatic cleaning comprehensive.
作为本实用新型的优选实施方式，所述阳极板24和阴极板25为网状平板电极或者平板式电极，阳极为镀铂钛阳极，阴极为钛阴极或者不锈钢阴极。As a preferred embodiment of the present invention, the anode plate 24 and the cathode plate 25 are mesh plate electrodes or plate electrodes, the anode is a platinum-plated titanium anode, and the cathode is a titanium cathode or a stainless steel cathode.
作为本实用新型的优选实施方式，电化学处理装置5的下部箱体17和上部密封盖20为不锈钢材质内衬绝缘涂层，这样既保证了装置的牢固稳定又防止阴、阳电极板间短路。As a preferred embodiment of the present utility model, the lower box body 17 and the upper sealing cover 20 of the electrochemical treatment device 5 are made of stainless steel and lined with an insulating coating, which not only ensures the firmness and stability of the device, but also prevents short circuit between the negative and positive electrode plates .
本实用新型自动清洗型电化学水处理装置的运行方法，运行中通过控制柜6打开电化学处理装置5的进口电动阀10及出口电动阀14，关闭冲洗电动阀12及排污电动阀16，监测运行过程中电化学处理装置5的阳极板24和阴极板25间的电流相对于初始电流的电流降，当电流降低1A或者运行时间达到36h后进行阳极板24和阴极板25的自清洗，此时，关闭电化学处理装置5的进口电动阀10及出口电动阀14，打开电化学处理装置冲洗电动阀12及排污电动阀16，切换稳压直流电源正负极，电压增大至运行电压的3倍，倒电极处理5min后，关闭电化学处理装置5的冲洗电动阀12及排污电动阀16，打开电化学处理装置5的进口电动阀10及出口电动阀14，将稳压直流电源正负极切换回来，电压至恢复正常运行电压，恢复正常运行；进口球阀8兼顾调节处理水流量的作用，冲洗电动阀前球阀11、出口电动阀前球阀13和排污电动阀前球阀15正常运行过程中保持全开。倒电极后短时间成倍加大电流密度使得电极板表面产生的气泡突然增多，大量气泡产生的机械力使得电极表面疏松的垢层快速剥落；此外，倒电极后电极表面由原来的运行中的碱性环境变为酸性环境，促进了垢的剥落。The operation method of the automatic cleaning type electrochemical water treatment device of the utility model is to open the inlet electric valve 10 and the outlet electric valve 14 of the electrochemical treatment device 5 through the control cabinet 6 during operation, close the flushing electric valve 12 and the sewage electric valve 16, and monitor During operation, the electric current between the anode plate 24 and the cathode plate 25 of the electrochemical treatment device 5 drops relative to the initial current. When the current drops by 1A or the running time reaches 36h, the anode plate 24 and the cathode plate 25 are self-cleaned. , close the inlet electric valve 10 and the outlet electric valve 14 of the electrochemical treatment device 5, open the flushing electric valve 12 and the sewage electric valve 16 of the electrochemical treatment device, switch the positive and negative poles of the regulated DC power supply, and the voltage increases to the operating voltage 3 times, after 5 minutes of inverted electrode treatment, close the flushing electric valve 12 and the sewage electric valve 16 of the electrochemical treatment device 5, open the inlet electric valve 10 and the outlet electric valve 14 of the electrochemical treatment device 5, and connect the positive and negative DC power supply switch back, the voltage returns to the normal operating voltage, and resumes normal operation; the inlet ball valve 8 takes into account the role of regulating the flow of treated water, and the front ball valve 11 of the flushing electric valve, the front ball valve 13 of the outlet electric valve and the front ball valve 15 of the sewage electric valve are in normal operation. Keep it wide open. Doubling the current density in a short period of time after inverting the electrode makes the bubbles on the surface of the electrode plate suddenly increase, and the mechanical force generated by a large number of air bubbles makes the loose scale layer on the electrode surface peel off quickly; in addition, the electrode surface is replaced by the original operating alkali The acidic environment becomes an acidic environment, which promotes the exfoliation of scale.
作为本实用新型的优选实施方式，进水通过减压阀7后的压力设为0.15～0.2Mpa，这样既保证了水处理所需的压力也有利于设备的密封。As a preferred embodiment of the present utility model, the pressure of the water after passing through the pressure reducing valve 7 is set at 0.15-0.2 Mpa, which not only ensures the pressure required for water treatment but also facilitates the sealing of the equipment.
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