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油煙凈化器的凈化清洗方案有哪些?

來源:http://www.winetypeswiki.com/     發布時間:2023-01-02  

1、機械分離法
1. Mechanical separation method
利用慣性碰撞原理或旋風分離原理對油煙進行分離。
The oil fume is separated by the principle of inertial collision or cyclone separation.
缺點:擋板濾網容易破裂,廢棄直接排放;需要定期保養和維護;安裝的垂直角度要小于15°;凈化效率不高,只適用于預處理或凈化效率要求較低的場合。
Disadvantages: the baffle filter screen is easy to break, and the waste is directly discharged; Need regular maintenance; The vertical angle of installation shall be less than 15 °; The purification efficiency is not high, and it is only applicable to the occasions with low requirements for pretreatment or purification efficiency.
2、織物過濾法
2. Fabric filtration method
油煙廢氣首先經過一定數目的金屬格柵,大顆粒污染物被阻截;然后經過纖維墊等濾料后,顆粒物由于被擴散、截留而被脫除。通常選用的濾料材料為吸油性能高的高分子復合材料。這種設備投資少、運行費用低、無二次污染、維修管理方便;但阻力大、占地大、需要經常更換濾料的缺點。凈化效率一般在80~92%。
The lampblack exhaust gas first passes through a certain number of metal grids, and large particulate pollutants are intercepted; Then, after passing through filter materials such as fiber mats, particles are removed due to diffusion and interception. The commonly selected filter material is polymer composite material with high oil absorption performance. The equipment has the advantages of less investment, low operation cost, no secondary pollution and convenient maintenance and management; However, it has the disadvantages of large resistance, large land occupation and frequent replacement of filter materials. The purification efficiency is generally 80~92%.
缺點:由于濾料阻力很大,如玻璃纖維濾料的凈化器壓降可達1500Pa,且濾料需經常更換,使過濾法凈化設備的應用受到局限。
Disadvantages: due to the large resistance of filter material, such as the pressure drop of glass fiber filter material purifier can reach 1500Pa, and the filter material needs to be replaced frequently, the application of filtering purification equipment is limited.
3、催化劑燃燒法
3. Catalyst combustion method
燃燒凈化法的原理是利用高溫燃燒所產生的熱量進行氧化反應,把油煙廢氣中的污染物質轉化為CO2和H2O等物質,從而達到凈化目的。在燃燒過程中,讓油煙廢氣通過自凈化催化劑,催化劑的催化反應有利于污染物的轉化。一般采用陶瓷或金屬蜂窩進行載體進行氧化催化。這類油煙凈化設備只適用油煙濃度很低的場合,如食物生吃或制作半成品。
The principle of combustion purification method is to use the heat generated by high temperature combustion to carry out oxidation reaction, and convert the pollutants in the lampblack waste gas into CO2, H2O and other substances, so as to achieve the purification purpose. In the combustion process, let the lampblack exhaust gas pass through the self purification catalyst, and the catalytic reaction of the catalyst is conducive to the transformation of pollutants. Generally, ceramic or metal honeycomb is used as the carrier for oxidation catalysis. This kind of lampblack purification equipment is only applicable to occasions with low lampblack concentration, such as raw food or semi-finished products.
濟南油煙凈化器
缺點:催化燃燒凈化設備的開發還不十分成熟。
Disadvantages: The development of catalytic combustion purification equipment is not very mature.
4、濕式處理法
4. Wet process
采用水或其他洗滌劑,以噴頭噴灑的方式形成水膜,水霧來吸收油煙。油煙粒子與噴嘴噴出的水霧、水膜相接觸,經過相互的慣性碰撞、滯留、細微顆粒的擴散和相互凝聚等作用,隨水滴流下,從而使油煙離子從氣流中分離出來。這種設備結構簡單、投資少、占地小、運行費用低、維修管理方便。
Water or other detergents are used to form a water film by spraying the nozzle, and water mist is used to absorb oil smoke. The soot particles contact with the water mist and water film ejected from the nozzle, and flow down with the water droplets through mutual inertial collision, retention, diffusion and mutual condensation of fine particles, thus separating the soot ions from the air flow. The equipment has simple structure, less investment, small land occupation, low operation cost and convenient maintenance and management.
缺點:存在阻力大、對亞微米級顆粒物的凈化率很低、產生油污水的二次污染。
Disadvantages: it has large resistance, low purification rate of submicron particles, and secondary pollution of oily sewage.
l 機械分離凈化設備凈化效率不高,只適用于預處理或凈化效率要求較低的場合;
L The purification efficiency of mechanical separation and purification equipment is not high, and it is only suitable for pre-treatment or occasions with low purification efficiency requirements;
l 濕法洗滌凈化設備對亞微米級顆粒物的凈化率很低,還需要對產生的洗滌液進行處理;
L The purification rate of submicron particles by wet scrubbing and purification equipment is very low, and the washing solution generated needs to be treated;
l 過濾凈化設備需凈化更換濾料,能耗很大;活性炭吸附凈化設備成本太高;
L The filtering and purification equipment needs to purify and replace the filter material, which consumes a lot of energy; The cost of activated carbon adsorption purification equipment is too high;
l 催化燃燒凈化設備的開發還不十分成熟;
L The development of catalytic combustion purification equipment is not very mature;
l 靜電法凈化效率設備以其高凈化效率、低壓降、運行穩定、維護管理方便等特點越來越顯示出他的優越性,目前市場占有率接近90%。
L Electrostatic purification efficiency equipment has shown its advantages with its high purification efficiency, low voltage drop, stable operation, convenient maintenance and management, and its market share is close to 90%.
5、活性炭吸附法
5. Activated carbon adsorption method
用粒狀活性炭或活性炭纖維氈吸附油煙中的污染物粒子。這種設備的特點與過濾凈化設備相似,但去除油煙異味分子的效果較好。
Granular activated carbon or activated carbon fiber felt is used to adsorb pollutant particles in lampblack. The characteristics of this equipment are similar to those of filtration and purification equipment, but the effect of removing oil smoke odor molecules is better.
缺點:活性炭成本較高。
Disadvantages: The cost of activated carbon is high.
6、靜電處理法
6. Electrostatic treatment
電場在外加高壓的作用下,負極的金屬絲表面或附近放出電子迅速向正極運動,與氣體分子碰撞并離子化。油煙廢氣通過這個高壓電場時,油煙粒子在極短的時間內因碰撞俘獲氣體離子而導致荷電,受電場力作用向正極集塵板運動,從而達到分離效果。這種設備的投資少、占地小、無二次污染、運行費用低。由于易于捕捉粒徑較小的粉塵,凈化效率高,可達85~95%。它的凈化機理與氣體方法的區別在于:分離力是靜電力,直接作用在粒子上,而不是作用在氣流上,因此具有能耗低,阻力小的特點。
Under the action of the applied high voltage, electrons released from the metal wire surface of the negative electrode or nearby quickly move towards the positive electrode, collide with the gas molecules and ionize. When the lampblack waste gas passes through this high voltage electric field, the lampblack particles will be charged due to the collision and capture of gas ions in a very short time, and will move towards the positive dust collecting plate under the action of the electric field force, so as to achieve the separation effect. The equipment has the advantages of less investment, small land occupation, no secondary pollution and low operation cost. Because it is easy to capture dust with small particle size, the purification efficiency is high, up to 85~95%. Its purification mechanism is different from the gas method in that the separation force is electrostatic force, which directly acts on particles rather than on air flow, so it has the characteristics of low energy consumption and small resistance.

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