CN104261511B - 夹心式物理杀菌装置 - Google Patents
夹心式物理杀菌装置 Download PDFInfo
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- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 46
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 41
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 239000002905 metal composite material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 241000894006 Bacteria Species 0.000 abstract description 8
- 241000233866 Fungi Species 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 6
- 230000009022 nonlinear effect Effects 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 241000700605 Viruses Species 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000002103 nanocoating Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
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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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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Abstract
一种基于夹心式结构的物理杀菌装置,具体技术方案如下:包括由上振动板、上振动板的励振元件、下振动板、下振动板的励振元件、杀菌板以及支撑结构构成,杀菌板位于上下振动板之间,形成夹心式结构,借助于其中的上下超声场以及杀菌板,杀灭超声场流体中的病毒、细菌和真菌。上下超声场会产生声辐射力和声学流等非线性效应,这非线性效应会把声场流体中的病毒、细菌和真菌驱动到杀菌板的表面,有利于杀菌板上纳米杀菌材料如纳米TiO2涂层充分发挥作用,同时这些非线性效应会把热处理杀菌板的热量带到超声场的流体中,有助于杀灭流体中的病毒、细菌和真菌。
Description
技术领域
本发明涉及利用物理手段进行杀菌的技术,特别是一种夹心式物理杀菌装置。
背景技术
相比传统的杀菌方法,超声协同其它物理手段杀菌具有速度快、效果好等优点。但由于缺乏合理有效的装置拓扑结构,该技术依然停留在实验阶段。为了能把该技术应用于实际的空气净化系统,相关装置必须结构紧凑和重量轻以便于装配和整合到现有的应用系统中,其声场必须具有足够大的工作长度以提高杀菌效果;为了能把该技术应用于实际的水净化系统,相关装置必须具有足够强和足够长的超声场。
发明内容
为了克服上述技术问题,本发明提供一种基于夹心式结构的物理杀菌装置,具体技术方案如下:包括由上振动板、上振动板的励振元件、下振动板、下振动板的励振元件、杀菌板以及支撑结构构成,杀菌板位于上下振动板之间,形成夹心式结构,借助于其中的上下超声场以及杀菌板,杀灭超声场流体中的病毒、细菌和真菌。
上下超声场会产生声辐射力和声学流等非线性效应,这非线性效应会把声场流体中的病毒、细菌和真菌驱动到杀菌板的表面,有利于杀菌板上纳米杀菌材料如纳米TiO2涂层充分发挥作用,同时这些非线性效应会把热处理杀菌板的热量带到超声场的流体中,有助于杀灭流体中的病毒、细菌和真菌。
采用夹心式结构是为了使得装置的结构更加紧凑;实际应用时可将多个夹心式装置整合在一个杀菌系统中,以增加处理量。
振动板可以由位于板中央或其他位置的压电片或压电-金属复合换能器等励振元件来驱动;由于需加长本发明装置中的振动板与集尘板的长度,以获得更好的杀菌效果,上下振动板采用弯曲振动模态;另外,振动板采用弯曲振动模态也有利于加强声学流。
杀菌板可以是表面具有纳米杀菌涂层如TiO2纳米涂层的板,也可以是具有热处理功能的金属板。为了获得热处理功能,把杀菌板连接到交流电源。
上下振动板与杀菌板的侧面中心位置固定在一个支撑结构上,便于将本发明中的杀菌装置装配到现有的空气或水处理系统中,也方便将多个杀菌装置整合到一个应用系统中。
附图说明
图1:本发明具体实施例结构示意图。
图中:1-杀菌板,2-振动板,3-励振元件,4-上超声场,5-支撑结构,6-下超声场。
具体实施方式
下面结合附图对本发明做进一步详细描述。
实施例一:
上、下振动板2的尺寸均为1000mm×100mm×0.5mm,材料是铜;励振元件3包括两个相同的三明治型压电换能器,用于励振,它们具有相同的工作频率25.1kHz、驱动电压60Vrms与励振半径40mm,励振元件3构成的励振部均位于振动板2的中央位置;上、下振动板2与杀菌板1的侧面中心位置固定在一个支撑结构6上;换能器的共振频率为25kHz;杀菌板1表面设有TiO2纳米涂层;上超声场4、下超声场5的厚度均为5.1mm;被处理空气以0.5m/s的速度沿着振动板2的长度方向流入夹心式杀菌装置的超声场;利用沉降平皿法,测量装置出风口与入风口的菌落数浓度比。结果表面:本发明装置可杀灭80~90%细菌。
实施例二:
上、下振动板2的尺寸为1000mm×100mm×0.5mm,材料是铜;两个相同的三明治型压电换能器被用于励振,它们具有相同的工作频率25.1kHz、驱动电压60Vrms与励振半径40mm,励振部均位于振动板2的中央位置;上、下振动板2与杀菌板1的侧面中心位置固定在一个支撑结构6上;换能器的共振频率为25kHz;杀菌板1为施加电流的铜板,其热处理温度为65℃;上下超声场的厚度均为5.1mm;被处理空气以0.5m/s的速度沿着振动板2的长度方向流入夹心式杀菌装置的超声场;利用沉降平皿法,测量装置出风口与入风口的菌落数浓度比。结果表面:本发明装置可杀灭80%左右的细菌。
Claims (7)
1.一种夹心式物理杀菌装置,其特征在于:包括上振动板、与上振动板相连的励振元件、下振动板、与下振动板相连的励振元件、位于上下振动板之间的杀菌板,上振动板、下振动板、杀菌板三者形成夹心式结构,上下振动板间具有超声场,所述杀菌板由金属热处理板构成,并连接电源。
2.根据权利要求1所述的夹心式物理杀菌装置,其特征在于:与上振动板相连的励振元件位于上振动板上方中部,与下振动板相连的励振元件位于下振动板下方中部。
3.根据权利要求1所述的夹心式物理杀菌装置,其特征在于:上、下励振元件采用纯压电片或压电片-金属复合结构换能器。
4.根据权利要求1所述的夹心式物理杀菌装置,其特征在于:杀菌板表面具有纳米杀菌涂层。
5.根据权利要求1所述的夹心式物理杀菌装置,其特征在于:上、下振动板和杀菌板的侧边中心位置均固定在支撑结构上。
6.根据权利要求1所述的夹心式物理杀菌装置,其特征在于:上、下振动板为具有弯曲振动模态的振动板。
7.根据权利要求4所述的夹心式物理杀菌装置,其特征在于:纳米杀菌涂层为纳米TiO2涂层。
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