WO2016034155A2 - 采用电浆的防爆净化设备 - Google Patents

采用电浆的防爆净化设备 Download PDF

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WO2016034155A2
WO2016034155A2 PCT/CN2015/093655 CN2015093655W WO2016034155A2 WO 2016034155 A2 WO2016034155 A2 WO 2016034155A2 CN 2015093655 W CN2015093655 W CN 2015093655W WO 2016034155 A2 WO2016034155 A2 WO 2016034155A2
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explosion
proof
plasma
discharge
purification
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WO2016034155A3 (zh
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洪昆喨
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苏州鼎德电环保科技有限公司
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes

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  • the invention relates to the field of kitchen purification, in particular to an explosion-proof purification device using plasma.
  • adsorption purification technology activated carbon filter, photocatalyst filter
  • UV lamp Sterilization technology UV lamp
  • air filtration and purification technology ozone sterilization and sterilization technology
  • negative ion purification air technology negative ion purifier
  • electrostatic dust removal technology electrostatic dust collector
  • low temperature plasma technology plasma purifier
  • the various conventional air pollution control techniques described above are not effective in removing soot exhaust gas and are therefore not suitable for use in a kitchen environment.
  • researchers in the field of purification have proposed dielectric plasma and nano plasma purification technology, for example, the engine fume decomposition device developed and marketed by Suzhou Wangde Technology Co., Ltd. (patent application number CN201210387337.3 And combined soot discharge reactor (patent application number CN201220203882.8).
  • the dielectric plasma and nano plasma complement each other to sterilize, deodorize, decompose VOCs and settle the particles in the air, purify the kitchen air and improve the kitchen air quality.
  • An explosion-proof purification device using plasma comprising: a catalyst carrier and an explosion-proof safety shell, the explosion-proof safety shell is disposed on a side surface of the catalyst carrier and forms a sealed discharge cavity, the discharge space A fixed pressure plate, a PCB discharge board uniformly distributed with the discharge needle, and a grid support plate are disposed in the cavity, and the PCB discharge board is fixed on the side surface of the catalyst carrier through the grid support plate, the discharge needles
  • the fixed platen is disposed between the inner wall surface of the explosion-proof containment and the PCB discharge plate for pressing the PCB discharge plate toward the grid support plate at a distance of 0.1 mm to 10 mm from a side surface of the catalyst carrier.
  • the sealing port between the catalyst carrier and the explosion-proof safety shell is potted with a flame-retardant epoxy resin
  • the sealing port between the plasma housing and the plasma coating plate is made of a flame-retardant epoxy resin. Potting.
  • Explosion-proof containment, plasma housing and plasma cover can be made of high-insulation materials, such as flame-retardant epoxy resin, aramid, polytetrafluoroethylene, polyvinyl chloride, silica gel, etc. to ensure dielectric discharge reactor No charge leakage.
  • the air inlet of the plasma housing and the air outlet of the plasma housing are provided with a plugging slot and a safety net, and the safety nets are inserted into the plugging slots.
  • FIG. 2 is a schematic view showing the structure of the explosion-proof purification apparatus of FIG. 1 after removing the plasma cover.
  • FIG. 3 is a schematic structural view of a discharge core of the explosion-proof purification apparatus of FIG. 1.
  • FIG. 4 is a partial structural schematic view of the explosion-proof purification apparatus of FIG. 2.
  • Plasma shell 1 return frame: 2
  • the explosion-proof purification apparatus using the plasma of the present embodiment includes a catalyst carrier 3 and an explosion-proof safety envelope 6 which is disposed on the side surface of the catalyst carrier 3 and Forming a sealed discharge cavity, wherein the discharge cavity is sequentially provided with a fixed platen 5, a PCB discharge plate 4 uniformly distributed with a discharge needle, and a grid support plate 15 through which the PCB discharge plate 4 passes 15 is fixed on the side surface of the catalyst carrier 3, the discharge needles 41 are spaced apart from the side surface of the catalyst carrier 3 by 0.1 mm to 10 mm, and may be selected to be 4.5 mm, 5 mm or 5.5 mm in actual production, and the fixed platen 5 is selected. It is disposed between the inner wall surface of the explosion-proof containment vessel 6 and the PCB discharge board 4 for pressing the PCB discharge board 4 toward the grid support plate 15.
  • the explosion-proof purification device further includes an explosion-proof junction box 10, a plasma housing 1 and a plasma cover 9 which is snapped onto the plasma housing 1 and forms a purification chamber.
  • An explosion-proof safety shell 6 and the catalyst carrier 3 are disposed in the purification chamber, and the air inlet of the plasma housing 1, the purification core of the catalyst carrier 3, and the air outlet of the plasma housing 1 are sequentially connected to each other.
  • the explosion-proof junction box 10 is fixed to the plasma cover 9 for collecting the power supply wires of the PCB discharge board 4.
  • the sealing port between the catalyst carrier 3 and the explosion-proof safety shell 6 is potted with a flame-retardant epoxy resin. Specifically, the air inlet of the catalytic core of the catalyst carrier 3 and the purification core of the catalyst carrier 3 are discharged.
  • a return frame 2 is fixed at the tuyere, and the sealing port between the back frame 2 and the explosion-proof safety shell 6 is potted with a flame-retardant epoxy resin, which is understood in conjunction with the potting strip 11 in FIG.
  • the sealing port between the housing 1 and the plasma cover 9 is also potted with a flame-retardant epoxy resin, which is understood in conjunction with the potting strip 12 of FIG.
  • the cleaning chamber is further provided with four power-proof guard rails 7 , and two of the power-shielding guard rails 7 are disposed on the cleaning core of the catalyst carrier 3 .
  • the other two power barriers of the power barriers 7 are disposed at the air outlet of the cleaning core of the catalyst carrier 3, and the power barriers 7 are all provided with a vent 70, two adjacent The vents of the power barriers 7 are staggered from each other, and the vents 70 are provided with a creepage step 71.
  • the air inlet of the plasma case 1 and the air outlet of the plasma case 1 are provided with a plug slot 14 and a safety net 8, and the safety nets 8 are plugged into the air outlets. Inserted into the slot 14.
  • the explosion-proof safety shell 6 is disposed on the side surface of the catalyst carrier 3 and forms a sealed discharge cavity, which can prevent the combustible gas from entering the discharge cavity and prevent the arc of the tip discharge from being introduced into the catalyst carrier 3, so Deflagration can occur, suitable for closed kitchen environments, mines, letter holes or tunnels.
  • the decomposed organic gas is discharged from the air outlet of the plasma case 1.
  • the combustible gas will not be detonated.
  • the high voltage of the discharge reactor and the organic gas generate micro-discharge without heating, no sound, no light, no ozone;
  • the discharge needles are 0.1 mm apart from the side surface of the catalyst carrier. Up to 10 mm, a secondary discharge can be formed, that is, the discharge needle forms a tip discharge, which indirectly causes the same electrical property to be generated inside the catalyst carrier, and the density is high and uniform. Subgroup.
  • the seal is firm and does not leak.
  • a flame-retardant epoxy resin to seal the seal between the catalyst carrier and the explosion-proof containment and the seal between the plasma shell and the plasma cover, organic can be prevented.
  • the gas penetrates into the discharge cavity from the gap of the sealing port, and also prevents the plasma from leaking from the gap.
  • the flame-retardant epoxy resin seal can ensure the sealing tightness, electrical insulation and heat resistance at the sealing port, and is suitable for High voltage discharge environment.
  • the high-voltage electric field is restrained and the length of the explosion-proof purification equipment is shortened.
  • the vents of the two adjacent electric barriers are staggered to each other to keep the organic gas flowing smoothly; the creeping step is provided at the vent, which can restrain the high-voltage electric field.
  • the length of the explosion-proof purification equipment can be shortened to two-thirds of the original length and the plasma will not leak.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Plasma Technology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

本发明提供一种采用电浆的防爆净化设备，该防爆净化设备包括有一个触媒载体和一个防爆安全壳，该防爆安全壳罩设于该触媒载体的侧表面上并且形成密闭的放电空腔，该放电空腔内依次设置有一个固定压板、一个均布有放电针的PCB放电板和一个格栅支撑板，该PCB放电板通过该格栅支撑板固定于该触媒载体的侧表面上，该些放电针与该触媒载体的侧表面相距0.1毫米至10毫米，该固定压板设置于该防爆安全壳的内壁面和该PCB放电板之间，用于将该PCB放电板挤压向该格栅支撑板。通过设置密闭的放电空腔，混合有空气的可燃气体不会进入放电空腔，即便PCB放电板的放电针释放电火花，也不会引爆可燃气体。

Description

采用电浆的防爆净化设备
本申请要求申请日为2014年9月4日的中国专利申请CN201410449115.9的优先权。本申请引用上述中国专利申请的全文。
技术领域
本发明涉及厨房净化领域，特别涉及一种采用电浆的防爆净化设备。
背景技术
随着科技和经济的发展，人们对环境的要求越来越高。为了打造清新、洁净的生活和工作环境，净化领域的研发人员提出了各种净化技术并且生产出了相应的净化设备，例如，吸附法净化技术(活性碳过滤网、光触媒过滤网)、紫外灯杀菌技术(紫外灯)、空气过滤净化技术、臭氧消毒灭菌技术、负离子净化空气技术(负离子净化器)、静电除尘技术(静电集尘器)以及低温等离子体技术(等离子净化器)。
然而，上述各种常用的治理空气污染的技术都不能够有效地清除油烟废气，因此并不适合用于厨房环境。为了能够有效地清除油烟废气，净化领域的研发人员提出了介质电浆与奈米电浆净化技术，例如，苏州旺德科技有限公司研发并市售的引擎油烟分解装置(专利申请号CN201210387337.3)和组合式油烟放电反应器(专利申请号CN201220203882.8)。介质电浆与奈米电浆相辅相成，对厨房空间进行杀菌、除臭、分解VOCs及沉降空气中的颗粒，净化厨房内部空气，提高厨房空气质量。
然而，在有机气体或易燃易爆气体浓度较高的环境，例如，密闭的厨房环境、矿井、函洞或隧道，油烟气体和瓦斯气体净化工况，存在爆燃现象，严重时引起燃烧爆炸，对人的安全产生危害。因此有必要对介质电浆与奈米电浆予以改进，以便适用于上述工况。
发明内容
本发明要解决的技术问题是为了克服现有技术的介质电浆与奈米电浆的上述缺陷，提供一种采用电浆的防爆净化设备，该防爆净化设备不会爆燃，适用于密闭的厨房环境、工业废气环境、矿井、函洞或隧道等生活生产环境。
本发明是通过下述技术方案来解决上述技术问题：
一种采用电浆的防爆净化设备，其特点在于，包括有一个触媒载体和一个防爆安全壳，该防爆安全壳罩设于该触媒载体的侧表面上并且形成密闭的放电空腔，该放电空腔内依次设置有一个固定压板、一个均布有放电针的PCB放电板和一个格栅支撑板，该PCB放电板通过该格栅支撑板固定于该触媒载体的侧表面上，该些放电针与该触媒载体的侧表面相距0.1毫米至10毫米，该固定压板设置于该防爆安全壳的内壁面和该PCB放电板之间，用于将该PCB放电板挤压向该格栅支撑板。
较佳地，该采用电浆的防爆净化设备还包括有一个防爆接线盒、一个电浆壳体和一个电浆盖板，该电浆盖板卡扣于该电浆壳体上并且形成净化腔体，该防爆安全壳和该触媒载体均设置于该净化腔体内，该电浆壳体的进风口、该触媒载体的净化芯子和该电浆壳体的出风口依次相互连通，该防爆接线盒固定于该电浆盖板上，该防爆接线盒用于汇集该PCB放电板的供电导线。防爆接线盒可以选择乐清市创安防爆电气有限公司生产的BXJ-20型号的增安型防爆接线盒。
较佳地，该触媒载体和该防爆安全壳之间的密封口采用阻燃型环氧树脂灌封，该电浆壳体和该电浆盖板之间的密封口采用阻燃型环氧树脂灌封。防爆安全壳、电浆壳体和电浆盖板可以采用高绝缘性材料制作，例如阻燃型环氧树脂、芳纶、聚四氟乙烯、聚氯乙烯、硅胶等，以确保介质放电反应器无电荷外漏。
较佳地，该净化芯子的进风口和该净化芯子的出风口处均固定有一个回 型框，该些回型框与该防爆安全壳之间的密封口采用阻燃型环氧树脂灌封。灌阻燃型环氧树脂能承受1800V电压耐久的而不击穿，且灌封厚度大于4mm，使高压电源与介质放电反应器无对外放电，可长期确保电源的防爆性能，无放电着火可能。
较佳地，该净化腔体内还设置有四个隔电护栏，该些隔电护栏中的两个隔电护栏设置于该净化芯子的进风口处，该些隔电护栏中的另外两个隔电护栏设置于该净化芯子的出风口处，该些隔电护栏均设置有一个通风口，相邻的两个隔电护栏的通风口相互错开，该些通风口处均设置有爬电阶梯。
较佳地，该电浆壳体的进风口和该电浆壳体的出风口均设置有一个插接槽和一个安全网，该些安全网插接于该些插接槽内。
本发明的积极进步效果在于：通过设置密闭的放电空腔，混合有空气的可燃气体不会进入放电空腔，即便PCB放电板的放电针释放电火花，也不会引爆可燃气体，另外，该些放电针与该触媒载体的侧表面相距0.1毫米至10毫米，可以形成二次放电，即放电针形成尖端放电，进而间接地引发触媒载体内部生成同一电性，高密度且均匀的离子群。
附图说明
图1为本发明较佳实施例的防爆净化设备的结构示意图。
图2为图1的防爆净化设备在去除电浆盖板后的结构示意图。
图3为图1的防爆净化设备的放电芯子的结构示意图。
图4为图2的防爆净化设备的局部结构示意图。
电浆壳体：1                   回型框：2
触媒载体：3                   PCB放电板：4
固定压板：5                   防爆安全壳：6
隔电护栏：7                   安全网：8
电浆盖板：9                   防爆接线盒：10
灌封条：11                   灌封条：12
插接槽：14                   格栅支撑板：15
放电针：41                   通风口：70
爬电阶梯：71
具体实施方式
下面举个较佳实施例，并结合附图来更清楚完整地说明本发明。
本实施例的采用电浆的防爆净化设备的结构如下：
请结合图1-3予以理解，本实施例的采用电浆的防爆净化设备包括有一个触媒载体3和一个防爆安全壳6，该防爆安全壳6罩设于该触媒载体3的侧表面上并且形成密闭的放电空腔，该放电空腔内依次设置有一个固定压板5、一个均布有放电针的PCB放电板4和一个格栅支撑板15，该PCB放电板4通过该格栅支撑板15固定于该触媒载体3的侧表面上，该些放电针41与该触媒载体3的侧表面相距0.1毫米至10毫米，实际生产时可以选择4.5毫米、5毫米或5.5毫米，该固定压板5设置于该防爆安全壳6的内壁面和该PCB放电板4之间，用于将该PCB放电板4挤压向该格栅支撑板15。
该防爆净化设备还包括有一个防爆接线盒10、一个电浆壳体1和一个电浆盖板9，该电浆盖板9卡扣于该电浆壳体1上并且形成净化腔体，该防爆安全壳6和该触媒载体3均设置于该净化腔体内，该电浆壳体1的进风口、该触媒载体3的净化芯子和该电浆壳体1的出风口依次相互连通，该防爆接线盒10固定于该电浆盖板9上，该防爆接线盒10用于汇集该PCB放电板4的供电导线。
该触媒载体3和该防爆安全壳6之间的密封口采用阻燃型环氧树脂灌封，具体上，该触媒载体3的净化芯子的进风口和该触媒载体3的净化芯子的出风口处均固定有一个回型框2，该些回型框2与该防爆安全壳6之间的密封口采用阻燃型环氧树脂灌封，请结合图4中的灌封条11予以理解。该电浆 壳体1和该电浆盖板9之间的密封口也采用阻燃型环氧树脂灌封，请结合图4中的灌封条12予以理解。
请同时结合图2和图4予以理解，该净化腔体内还设置有四个隔电护栏7，该些隔电护栏7中的两个隔电护栏设置于该触媒载体3的净化芯子的进风口处，该些隔电护栏7中的另外两个隔电护栏设置于该触媒载体3的净化芯子的出风口处，该些隔电护栏7均设置有一个通风口70，相邻的两个隔电护栏7的通风口相互错开，该些通风口70处均设置有爬电阶梯71。
请结合图4予以理解，该电浆壳体1的进风口和该电浆壳体1的出风口均设置有一个插接槽14和一个安全网8，该些安全网8插接于该些插接槽14内。
本实施例的防爆净化设备的工作原理如下：
请结合图1-4予以理解，通过鼓风电机将有机气体(油烟废气或者瓦斯气体)输入该电浆壳体1的进风口，有机气体依次流过隔电护栏7的通风口70而进入触媒载体3，进而间接地引发触媒载体3内部生成同一电性，高密度且均匀的离子群，不会产生电弧爆燃有机气体的问题。另外，该防爆安全壳6罩设于该触媒载体3的侧表面上并且形成密闭的放电空腔，既能够阻止可燃气体进入放电空腔，又能够防止尖端放电的电弧引入触媒载体3，因此不会发生爆燃现象，适合于密闭的厨房环境、矿井、函洞或隧道等工况。分解后的有机气体从该电浆壳体1的出风口排出。
本实施例的防爆净化设备具有如下技术效果：
第一、不会引爆可燃气体，一方面，通过设置密闭的放电空腔，混合有空气的可燃气体不会进入放电空腔，即便PCB放电板的放电针释放电火花，也不会引爆可燃气体，换句话说，放电反应器的高电压与有机气体之间产生不升温的微放电，无声、无光、无臭氧产生；另一方面，该些放电针与该触媒载体的侧表面相距0.1毫米至10毫米，可以形成二次放电，即放电针形成尖端放电，进而间接地引发触媒载体内部生成同一电性，高密度且均匀的离 子群。
第二、密封牢固并且不会泄露，通过采用阻燃型环氧树脂灌封触媒载体和防爆安全壳之间的密封口以及电浆壳体和电浆盖板之间的密封口，可以防止有机气体从密封口的缝隙渗入放电空腔，也能够防止电浆由缝隙而泄露，用阻燃型环氧树脂密封能够保证密封口处的密封紧固性、电绝缘性和耐热性，适用于高压放电环境。在密封隔离的结构下，无新鲜空气与电极接触，电极不会被氧化，保持放电功效；然而，在净化腔体，无放电明火，只是在产生大量高速的离子，故而有机气体浓度再高也无燃烧爆燃的可能。
第三、约束高压电场并且缩短了防爆净化设备的长度，相邻的两个隔电护栏的通风口相互错开，能够保持有机气体顺畅的通入；通风口处设置爬电阶梯，能够约束高压电场，增加隔电护栏后，防爆净化设备的长度可以缩短为原长度的三分之二依然不会泄露电浆。
第四、无电火花和臭氧产生，请结合图3予以理解，为了测试对不同粒径金属颗粒物的净化能力，在该触媒载体3的净化芯子内均布有多个直径3毫米至5毫米的钢球，实际测试直流电源的电压为200KV，放电电极与触媒载体相距约2mm,触媒载体内依然没有放电声和电火花，换句话说，本实施例的防爆净化设备也能够适用于净化工厂内产生的金属粉尘颗粒。
虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这些仅是举例说明，在不背离本发明的原理和实质的前提下，可以对这些实施方式做出多种变更或修改。因此，本发明的保护范围由所附权利要求书限定。

Claims (6)

  1. 一种采用电浆的防爆净化设备，其特征在于，包括有一个触媒载体和一个防爆安全壳，该防爆安全壳罩设于该触媒载体的侧表面上并且形成密闭的放电空腔，该放电空腔内依次设置有一个固定压板、一个均布有放电针的PCB放电板和一个格栅支撑板，该PCB放电板通过该格栅支撑板固定于该触媒载体的侧表面上，该些放电针与该触媒载体的侧表面相距0.1毫米至10毫米，该固定压板设置于该防爆安全壳的内壁面和该PCB放电板之间，用于将该PCB放电板挤压向该格栅支撑板。
  2. 如权利要求1所述的防爆净化设备，其特征在于，该防爆净化设备还包括有一个防爆接线盒、一个电浆壳体和一个电浆盖板，该电浆盖板卡扣于该电浆壳体上并且形成净化腔体，该防爆安全壳和该触媒载体均设置于该净化腔体内，该电浆壳体的进风口、该触媒载体的净化芯子和该电浆壳体的出风口依次相互连通，该防爆接线盒固定于该电浆盖板上，该防爆接线盒用于汇集该PCB放电板的供电导线。
  3. 如权利要求2所述的防爆净化设备，其特征在于，该触媒载体和该防爆安全壳之间的密封口采用阻燃型环氧树脂灌封，该电浆壳体和该电浆盖板之间的密封口采用阻燃型环氧树脂灌封。
  4. 如权利要求3所述的防爆净化设备，其特征在于，该净化芯子的进风口和该净化芯子的出风口处均固定有一个回型框，该些回型框与该防爆安全壳之间的密封口采用阻燃型环氧树脂灌封。
  5. 如权利要求2-4中至少一项所述的防爆净化设备，其特征在于，该净化腔体内还设置有四个隔电护栏，该些隔电护栏中的两个隔电护栏设置于该净化芯子的进风口处，该些隔电护栏中的另外两个隔电护栏设置于该净化芯子的出风口处，该些隔电护栏均设置有一个通风口，相邻的两个隔电护栏的通风口相互错开，该些通风口处均设置有爬电阶梯。
  6. 如权利要求2-5中至少一项所述的防爆净化设备，其特征在于，该电浆壳体的进风口和该电浆壳体的出风口均设置有一个插接槽和一个安全网，该些安全网插接于该些插接槽内。
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