無(wú)隔板高效過(guò)濾器 

概述: 產(chǎn)品信息 名稱: AOBO-無(wú)隔板高效空氣過(guò)濾器 品牌: AOBO 貨號(hào): AOBO-16

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    • 產(chǎn)品信息
    • 名稱: AOBO-無(wú)隔板高效空氣過(guò)濾器 
    • 品牌: AOBO 
    • 貨號(hào): AOBO-16 
    • 產(chǎn)品特點(diǎn)
    • 當(dāng)減少過(guò)濾器的尺寸和重量時(shí)還可以提升它的風(fēng)量。 對(duì)于很小的空間對(duì)風(fēng)速的需求可以生產(chǎn)更大風(fēng)量的產(chǎn)品。 為了便于搬運(yùn)、安裝,可以提供較小,較輕的外框以降低重量。 很好的產(chǎn)品設(shè)計(jì)可以靈活地對(duì)產(chǎn)品進(jìn)行安裝、更換及升級(jí)。 產(chǎn)品性能好于 2 倍外框高度的有隔板過(guò)濾器。 55mm , 70mm 及 75mm 褶高的產(chǎn)品可以降低產(chǎn)品阻力,提高過(guò)濾效率,性能好于市場(chǎng)上其它的無(wú)隔板產(chǎn)品。 當(dāng)使用 55mm 70mm , 75mm 褶高的產(chǎn)品是可以減低產(chǎn)品阻力為系統(tǒng)帶來(lái)節(jié)能效益。

 When reducing the size and weight of the filter can also improve its volume. Demand for small space for wind speed can produce greater air volume of the product. For ease of handling, installation, can provide smaller, lighter frame in order to reduce weight. Good products can be designed flexibly for installation, replacement and upgrading products. Product performance is better than 2 times the casing outside the height of the baffle plate filter. 55 mm, 70 mm and 75 mm high fold product can reduce resistance, improve the efficiency of filtering, the performance is better than other tinder barrier-free products on the market. Fold when using 55 mm to 70 mm, 70 mm high product resistance can be reduced for the system energy saving benefit.


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攔截
空氣中的塵埃粒子,隨氣流作慣性運(yùn)動(dòng)或無(wú)規(guī)則布朗運(yùn)動(dòng)或受某種場(chǎng)力的作用而移動(dòng),當(dāng)微粒運(yùn)動(dòng)撞到其它物體,物體間存在的范德華力(是分子與分子、分子團(tuán)與分子團(tuán)之間的力)使微粒粘到纖維表面。進(jìn)入過(guò)濾介質(zhì)的塵埃有較多撞擊介質(zhì)的機(jī)會(huì),撞上介質(zhì)就會(huì)被粘住。較小的粉塵相互碰撞會(huì)相互粘結(jié)形成較大顆粒而沉降,空氣中粉塵的顆粒濃度相對(duì)穩(wěn)定。室內(nèi)及墻壁的退色就因?yàn)檫@原因。
把纖維過(guò)濾器像篩子一樣看待是錯(cuò)誤的。
 
慣性和擴(kuò)散
顆粒粉塵在氣流中作慣性運(yùn)動(dòng),當(dāng)遇到排列雜亂的纖維時(shí),氣流改變方向,粒因慣性偏離方向,撞到纖維上而被粘結(jié)。粒子越大越容易撞擊,效果越好。
小顆粒粉塵作無(wú)規(guī)則的布朗運(yùn)動(dòng)。顆粒越小,無(wú)規(guī)則運(yùn)動(dòng)越劇烈,撞擊障礙物的機(jī)會(huì)越多,過(guò)濾效果也會(huì)越好?諝庵行∮0.1微米的顆粒主要作布朗運(yùn)動(dòng),粒子小,過(guò)濾效果好。大于0.3微米的粒子主要作慣性運(yùn)動(dòng),粒子越大效率越高。擴(kuò)散和慣性都不明顯得粒子最難過(guò)濾掉。測(cè)量高效過(guò)濾器性能時(shí),人們經(jīng)常規(guī)定測(cè)量最難測(cè)量的粉塵效率值。
 
靜電作用
由于某種原因,纖維和微粒可能帶上電荷,產(chǎn)生靜電效應(yīng)。帶靜電的過(guò)濾材料過(guò)濾效果可以明顯改善。原因:靜電使粉塵改變運(yùn)動(dòng)軌跡并撞上障礙物,靜電使粉塵在介質(zhì)上粘的更牢。
能長(zhǎng)期帶靜電的材料也稱作"駐極體"材料。材料帶靜電后阻力不變,過(guò)濾效果會(huì)明顯改善。靜電在過(guò)濾效果中不起決定作用,只起輔助作用。
 
化學(xué)過(guò)濾
化學(xué)過(guò)濾器主要有選擇性的吸附有害氣體分子。
活性碳材料中有大量看不見(jiàn)的微孔,有較大的吸附面積。米粒大小的活性碳中,微孔內(nèi)面積有十幾平方米大。
游離分子接觸活性碳后,在微孔中凝聚成液體因毛細(xì)管原理呆在微孔中,有的與材料和而為一體。沒(méi)有明顯化學(xué)反應(yīng)的吸附稱為物理吸附。
有的對(duì)活性碳進(jìn)行處理,被吸附的顆粒與材料進(jìn)行反應(yīng),生成固體物質(zhì)或無(wú)害氣體,稱為化學(xué)吸附。
活性碳在使用過(guò)程中材料的吸附能力不斷減弱,當(dāng)減弱到某一程度,過(guò)濾器將報(bào)廢。如果僅為物理吸附,用加熱或水蒸汽熏可使有害氣體脫離活性碳,使活性碳再生。
 
重力效應(yīng)
微粒通過(guò)纖維層時(shí),在重力作用下,發(fā)生脫離氣流流線的位移而沉降在纖維表面上,這種作用只有在微粒較大(>0.5um)時(shí)存在,這是微粒重力作用太小,當(dāng)它還沒(méi)有沉降到纖維上時(shí)已隨氣流通過(guò)纖維層。因而,對(duì)粒徑小于0.5um的微粒的過(guò)濾,重力沉降完全可以忽略。

 

intercept

Dust particles in the air, with the air flow for inertial motion or random Brownian motion or movement by the role of a certain field force, when particles hit other objects, the object of van der Waals force between (is molecules and molecular, molecular mass and the force between the molecular mass) make particles adhering to the fiber surface. Enter the filter medium of dust have more chance to hit medium, hit medium will be stuck. Smaller dust will collide with each other mutual bond formation of larger particles and subsidence, concentration of dust particles in the air is relatively stable. Interior walls and the fading of for this reason.

The fiber filter like a sieve view is wrong.

Inertia and diffusion

Particles of dust in the air for inertial movement, when encounter arranged disorderly and fibre, air change direction, because of inertia swerve, and bumped on fibre by adhesive. The particle is larger, the easier the impact, the better the results.

Small particles of dust for random Brownian motion. The more severe the smaller particles, has no regulation motion, chance to hit an obstacle, the more the better filtering effect will be. In the air is less than 0.1 microns particles mainly for Brownian motion, small particles, filtering effect is good. Greater than 0.3 micron particles mainly inertia motion, the bigger the particle efficiency is higher. Diffusion and inertia are unknown is one of the most difficult to filter out particles. When measuring high efficiency filter performance, people often prescribed most difficult measurement of dust efficiency value.

Electrostatic interaction

For some reason, fiber and particle could take charge, produce electrostatic effect. With electrostatic filter material filtering effect can be improved significantly. Reason: electrostatic dust changing trajectory and hitting obstacles, electrostatic dust sticky stronger on the medium.

Long-term with electrostatic material is also called "electret materials. Materials with electrostatic resistance is changeless, after filtering effect will be improved significantly. Electrostatic not decisive role in the filtering effect, only a supplementary role.

Chemical filter

Chemical filter main selective adsorption harmful gas molecules.

Abound in invisible microporous activated carbon materials, have larger adsorption area. The size of a grain of activated carbon, the micro hole area of about a dozen square meters big.

After free molecules, activated carbon, condensed into a liquid by capillary principle in microporous stay in micro hole, some with material and as a whole. There is no obvious chemical reaction is called physical adsorption.

Some process, activated carbon adsorption of particles and the material for reaction, generate solid matter or harmless gas, known as chemical adsorption.

Activated carbon materials in the process of using the adsorption ability of weakening, when reduced to a certain extent, the filter will be scrapped. If only for physical adsorption, heat or steam smoked can make the harmful gas from activated carbon, activated carbon regeneration.

Gravity effect

Particles through fiber layer, under the action of gravity, from the displacement of air flow and sedimentation on the fiber surface, the effect only when large particles (> 0.5 um) exist, this is too small particles gravity, when it hasn't settlement on the fiber has been with the air flow through the fiber layer. Therefore, the grain size is less than 0.5 um particle filtering, gravity sedimentation can be ignored completely.

 
 

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無(wú)隔板高效過(guò)濾器
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