CN101767852A - Pulse plasma device for safe disinfection of drinking water - Google Patents
Pulse plasma device for safe disinfection of drinking water Download PDFInfo
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- CN101767852A CN101767852A CN200910155859A CN200910155859A CN101767852A CN 101767852 A CN101767852 A CN 101767852A CN 200910155859 A CN200910155859 A CN 200910155859A CN 200910155859 A CN200910155859 A CN 200910155859A CN 101767852 A CN101767852 A CN 101767852A
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- 239000003651 drinking water Substances 0.000 title claims abstract description 18
- 235000020188 drinking water Nutrition 0.000 title claims abstract description 18
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000005273 aeration Methods 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000004907 flux Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000013543 active substance Substances 0.000 description 5
- 230000002925 chemical effect Effects 0.000 description 5
- 230000000704 physical effect Effects 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000005446 dissolved organic matter Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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- 230000003390 teratogenic effect Effects 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
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- Apparatus For Disinfection Or Sterilisation (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
Description
技术领域technical field
本发明涉及一种用于饮用水安全消毒的装置，属于环境技术和水处理领域。The invention relates to a device for safe disinfection of drinking water, which belongs to the fields of environmental technology and water treatment.
背景技术Background technique
近年来我国饮用水水源的污染日益加剧和恶化，给人类的健康带来了较大的危害。目前大部分水厂净水工艺还停留在“絮凝-沉淀-过滤-氯消毒”的传统工艺上，主要以去除水中浊度、悬浮物、色度、病源菌为目的，对水中的病原菌和有机物尤其是溶解性有机物不能有效去除。有机物的存在，一方面在加氯消毒的过程中会与氯反应，生成消毒副产物(DBPs)，如三卤甲烷(THMs)，卤乙酸(HAAs)等，这些物质都被证实或疑为致癌、致畸、致突变的三致物质；另一方面为管道中的异养微生物提供了营养基质，容易导致微生物在管网中繁殖并在管壁形成生物膜，造成饮用水在管网中的二次污染。In recent years, the pollution of drinking water sources in our country has been increasing and deteriorating day by day, which has brought great harm to human health. At present, the water purification process of most water plants still stays in the traditional process of "flocculation-sedimentation-filtration-chlorine disinfection", mainly for the purpose of removing turbidity, suspended solids, color and pathogenic bacteria in the water, and the pathogenic bacteria and organic matter in the water Especially dissolved organic matter cannot be effectively removed. The presence of organic matter, on the one hand, will react with chlorine in the process of chlorination and disinfection to generate disinfection by-products (DBPs), such as trihalomethanes (THMs), haloacetic acids (HAAs), etc. These substances have been confirmed or suspected to be carcinogenic , teratogenic, and mutagenic substances; on the other hand, it provides a nutrient matrix for heterotrophic microorganisms in the pipeline, which can easily cause microorganisms to multiply in the pipe network and form biofilm on the pipe wall, resulting in drinking water in the pipe network. Secondary pollution.
液电脉冲技术一般采用高压脉冲电源形成等离子体，集高能电子辐射、湿式氧化、化学氧化、光催化氧化等高级氧化技术于一体，系统不需辅以外加氧化剂，高温高压或是外加光源等技术手段，是一种全新概念的处理技术。脉冲等离子体液相放电过程同时具有物理效应和化学效应，物理效应可形成紫外光和冲击波，其强度由放电能量决定，化学效应主要促使活性物质的形成，如OH·、H2O2，O3等。因此，脉冲放电等离子体技术可利用放电形成的紫外光、冲击波以及活性自由基，形成高能电子、紫外线、臭氧等多因素协同作用，增强处理效果。但是饮用水中细菌的浓度很低，脉冲等离子放电产生的活性物质和能量的利用率不高。而且，普通的液电反应器放大困难，很难适用于大通量水处理场合。Hydroelectric pulse technology generally uses high-voltage pulse power supply to form plasma, which integrates high-energy electron radiation, wet oxidation, chemical oxidation, photocatalytic oxidation and other advanced oxidation technologies. The system does not need additional oxidant, high temperature and high pressure or external light source technology Means, is a new concept of processing technology. The pulse plasma liquid phase discharge process has both physical and chemical effects. The physical effects can form ultraviolet light and shock waves. The intensity is determined by the discharge energy. The chemical effects mainly promote the formation of active substances, such as OH·, H 2 O 2 , O 3 etc. Therefore, the pulse discharge plasma technology can use the ultraviolet light, shock wave and active free radicals formed by the discharge to form a synergistic effect of high-energy electrons, ultraviolet rays, ozone and other factors to enhance the treatment effect. However, the concentration of bacteria in drinking water is very low, and the utilization rate of active substances and energy generated by pulsed plasma discharge is not high. Moreover, ordinary liquid electric reactors are difficult to scale up and are difficult to apply to large-flux water treatment occasions.
发明内容Contents of the invention
本发明的目的是提供一种能充分利用脉冲等离子体放电过程中产生的活性物质，对大通量饮用水进行安全消毒的脉冲等离子体催化装置。The purpose of the present invention is to provide a pulse plasma catalytic device which can make full use of active substances produced in the pulse plasma discharge process to safely disinfect large-flux drinking water.
本发明的用于饮用水安全消毒的脉冲等离子体反应装置，包括放电反应器，放电反应器内垂直安装的锯齿形针电极和板电极，在针电极和板电极的下方安装有曝气管阵，针电极和板电极分别与脉冲电源的正极和负极相连，放电反应器壳体上设有出水口和进水口，反应器的盖上有孔，放电反应器的出水口经第一流量计与储水槽的进水口相连，放电反应器的进水口经第二流量计与储水槽的出水口相连，曝气管阵经第三流量计与风机相连。The pulse plasma reaction device for safe disinfection of drinking water of the present invention includes a discharge reactor, zigzag needle electrodes and plate electrodes installed vertically in the discharge reactor, and an aeration tube array is installed below the needle electrodes and plate electrodes , the needle electrode and the plate electrode are respectively connected to the positive pole and the negative pole of the pulse power supply. The discharge reactor shell is provided with a water outlet and a water inlet. There are holes in the cover of the reactor. The water inlet of the water storage tank is connected, the water inlet of the discharge reactor is connected with the water outlet of the water storage tank through the second flowmeter, and the aeration tube array is connected with the fan through the third flowmeter.
处理饮用水时，先打开第三流量计和气泵，调节气速向放电反应器曝气管通气。气流稳定后往储水槽内装入待处理水，打开第一、第二流量计和水泵，将储水槽中的水注入放电反应器，此过程中需不断补充储水槽中的水，以避免被水泵吸干而导致水泵空转。当气体流量和水流量都稳定后，停止往储水槽内补充水，打开电源，开始放电。处理后的水从反应器出水口流出，储水槽中的水经放电反应器循环处理，实现安全消毒，气体从反应器盖上的孔流出。本发明装置是利用脉冲等离子放电产生的非热等离子体对饮用水消毒。利用脉冲等离子体液相放电过程的物理效应和化学效应，物理效应可形成紫外光和冲击波，其强度由放电能量决定，化学效应主要促使活性物质的形成，如OH·、H2O2，O3等。物理效应和化学效应协同作用，有效杀灭饮用水中低浓度细菌。When treating drinking water, first turn on the third flow meter and the air pump, and adjust the gas velocity to ventilate the discharge reactor aeration pipe. After the airflow is stable, fill the water storage tank with water to be treated, turn on the first and second flowmeters and water pumps, and inject the water in the water storage tank into the discharge reactor. Suction dry causing the pump to run dry. When the gas flow and water flow are stable, stop adding water to the water storage tank, turn on the power, and start discharging. The treated water flows out from the outlet of the reactor, the water in the water storage tank is circulated through the discharge reactor to realize safe disinfection, and the gas flows out from the hole on the reactor cover. The device of the invention utilizes non-thermal plasma generated by pulse plasma discharge to sterilize drinking water. Using the physical and chemical effects of the pulsed plasma liquid phase discharge process, the physical effects can form ultraviolet light and shock waves, whose intensity is determined by the discharge energy, and the chemical effects mainly promote the formation of active substances, such as OH·, H 2 O 2 , O 3 etc. Physical effects and chemical effects work together to effectively kill low-concentration bacteria in drinking water.
本发明装置结构简单，操作简便，运行成本低，能大幅度提高活性物质的产率和利用率，增强饮用水杀菌、除藻效果。本发明适用于大通量饮用水杀菌，处理量可达一吨每小时。The device of the invention has the advantages of simple structure, convenient operation and low operation cost, can greatly improve the yield and utilization rate of active substances, and enhance the sterilization and algae removal effects of drinking water. The invention is suitable for large-flux drinking water sterilization, and the processing capacity can reach one ton per hour.
附图说明Description of drawings
图1为本发明装置结构示意图。Fig. 1 is a schematic diagram of the structure of the device of the present invention.
具体实施方式Detailed ways
以下结合附图对本发明做进一步说明。The present invention will be further described below in conjunction with the accompanying drawings.
参照图1，本发明的用于饮用水安全消毒的脉冲等离子体反应装置，包括放电反应器8，放电反应器内有垂直安装的锯齿形针电极8-1和板电极8-2，在针电极和板电极的下方安装有曝气管阵7，针电极和板电极分别与脉冲电源1的正极和负极相连，放电反应器8壳体上设有出水口和进水口，反应器的盖上有孔，放电反应器的出水口经第一流量计2与储水槽9的进水口相连，放电反应器的进水口经第二流量计3与储水槽9的出水口相连，曝气管阵7经第三流量计4与风机5相连。With reference to Fig. 1, the pulse plasma reaction device that is used for safe disinfection of drinking water of the present invention comprises discharge reactor 8, and vertically installed zigzag needle electrode 8-1 and plate electrode 8-2 are arranged in the discharge reactor, in needle An
放电反应器8壳体为聚乙烯绝缘材料，锯齿形针电极8-1和板电极8-2分别是不锈钢材料制备而成。The shell of the discharge reactor 8 is made of polyethylene insulating material, and the zigzag needle electrode 8-1 and the plate electrode 8-2 are respectively made of stainless steel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910155859A CN101767852A (en) | 2009-12-29 | 2009-12-29 | Pulse plasma device for safe disinfection of drinking water |
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| CN200910155859A CN101767852A (en) | 2009-12-29 | 2009-12-29 | Pulse plasma device for safe disinfection of drinking water |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625556A (en) * | 2012-03-24 | 2012-08-01 | 福州顺康环保科技开发有限公司 | Novel atmospheric-pressure plasma discharge device |
| CN102765785A (en) * | 2012-07-16 | 2012-11-07 | 广州埔玛电气有限公司 | Device and method for sterilizing and disinfecting wastewater by pulsed liquid-phase discharge plasma |
| CN102765787A (en) * | 2012-07-13 | 2012-11-07 | 广州埔玛电气有限公司 | Method for sterilizing and disinfecting sewage by injecting plasma free radicals and device |
| CN102923824A (en) * | 2012-10-29 | 2013-02-13 | 江苏大学 | Mobile plasma polluted-water remediation device |
| CN103145284A (en) * | 2013-01-24 | 2013-06-12 | 南京大学 | Multi-functional water purifier integrated with activated carbon and low-temperature plasma |
| CN104071921A (en) * | 2014-06-26 | 2014-10-01 | 合肥工业大学 | Algae-containing wastewater high-efficiency combined purification method |
| CN104276621A (en) * | 2014-09-22 | 2015-01-14 | 合肥工业大学 | Dam-type DBD (Dibromodulcitol) plasma wastewater treatment device of toothed electrode structure |
| CN107188272A (en) * | 2017-06-26 | 2017-09-22 | 云南航天工业有限公司 | A kind of plasma water disinfecting device |
| CN107381723A (en) * | 2017-09-04 | 2017-11-24 | 南京大学 | A kind of sewage-treatment plant using more needle plate gas-liquid discharge in water plasmas |
| CN111770623A (en) * | 2020-08-03 | 2020-10-13 | 何诗怡 | A plasma air sterilization and disinfection equipment |
-
2009
- 2009-12-29 CN CN200910155859A patent/CN101767852A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102625556A (en) * | 2012-03-24 | 2012-08-01 | 福州顺康环保科技开发有限公司 | Novel atmospheric-pressure plasma discharge device |
| CN102625556B (en) * | 2012-03-24 | 2015-05-13 | 福州美美环保科技有限公司 | Novel atmospheric-pressure plasma discharge device |
| CN102765787A (en) * | 2012-07-13 | 2012-11-07 | 广州埔玛电气有限公司 | Method for sterilizing and disinfecting sewage by injecting plasma free radicals and device |
| CN102765785A (en) * | 2012-07-16 | 2012-11-07 | 广州埔玛电气有限公司 | Device and method for sterilizing and disinfecting wastewater by pulsed liquid-phase discharge plasma |
| CN102923824A (en) * | 2012-10-29 | 2013-02-13 | 江苏大学 | Mobile plasma polluted-water remediation device |
| CN103145284A (en) * | 2013-01-24 | 2013-06-12 | 南京大学 | Multi-functional water purifier integrated with activated carbon and low-temperature plasma |
| CN104071921A (en) * | 2014-06-26 | 2014-10-01 | 合肥工业大学 | Algae-containing wastewater high-efficiency combined purification method |
| CN104071921B (en) * | 2014-06-26 | 2016-06-01 | 合肥工业大学 | A kind of containing algae waste water high-efficiency compound purifying method |
| CN104276621A (en) * | 2014-09-22 | 2015-01-14 | 合肥工业大学 | Dam-type DBD (Dibromodulcitol) plasma wastewater treatment device of toothed electrode structure |
| CN107188272A (en) * | 2017-06-26 | 2017-09-22 | 云南航天工业有限公司 | A kind of plasma water disinfecting device |
| CN107381723A (en) * | 2017-09-04 | 2017-11-24 | 南京大学 | A kind of sewage-treatment plant using more needle plate gas-liquid discharge in water plasmas |
| CN111770623A (en) * | 2020-08-03 | 2020-10-13 | 何诗怡 | A plasma air sterilization and disinfection equipment |
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