多介質(zhì)過(guò)濾器是利用一種或幾種過(guò)濾介質(zhì),在一定的壓力下把濁度較高的水通過(guò)一定厚度的粒狀或非粒材料,有效除去懸浮雜質(zhì)使水澄清的過(guò)濾裝置。常用的濾料一般有石英砂,無(wú)煙煤,錳砂等。
Multimedia filter is a kind of filter device that uses one or several kinds of filter media to remove suspended impurities and clarify water through granular or non-granular materials with a certain thickness under a certain pressure. The commonly used filter materials are quartz sand, anthracite, manganese sand and so on.
多介質(zhì)過(guò)濾器系統(tǒng)設(shè)置一套加藥系統(tǒng),所加藥劑為聚合硫酸鐵,聚合硫酸鐵有除濁、脫色、脫油、脫水、除菌、除臭、除藻、去除水中COD、BOD及重金屬離子等功效顯著;加藥點(diǎn)設(shè)置在多介質(zhì)過(guò)濾器進(jìn)水母管上設(shè)置管道混合器提果。
Multimedia filter system sets up a dosing system, the dosing agent is polyferric sulfate. Polyferric sulfate has remarkable effects on turbidity removal, decolorization, deoiling, dehydration, sterilization, deodorization, algae removal, COD, BOD and heavy metal ions removal, etc. The dosing point is set on the jellyfish tube of multi-media filter to set up a pipeline mixer for lifting. High effect.
針對(duì)運(yùn)行中存在的問(wèn)題,淄博多介質(zhì)過(guò)濾器公司建議采取以下措施:
In view of the existing problems in operation, Zibo Multimedia Filter Company recommends the following measures:
對(duì)原系統(tǒng)進(jìn)行改造升級(jí)。脫硫廢水來(lái)水渾濁,則要檢查脫硫廢水系統(tǒng)的運(yùn)行情況,對(duì)脫硫廢水處理系統(tǒng)運(yùn)行進(jìn)行相應(yīng)的調(diào)整及必要的改造;在設(shè)計(jì)參數(shù)范圍內(nèi)澤達(dá)多介質(zhì)過(guò)濾器反洗流量,提高反洗強(qiáng)度,以避免沉淀物殘留在濾層中,防止沉淀物和濾料結(jié)成硬塊。同時(shí)考慮增加氣洗,保證反洗效果;重新對(duì)濾料進(jìn)行篩分,使粒徑分布達(dá)到優(yōu)化;運(yùn)行時(shí)控制流量,壓力;非運(yùn)行時(shí)不要將過(guò)濾器內(nèi)水放盡,保留一定高度的水墊層。通過(guò)一系列的運(yùn)行方式的調(diào)整,我們找到了一個(gè)相對(duì)較理想的運(yùn)行模式,水質(zhì)改善,達(dá)到了回用水水質(zhì)的標(biāo)準(zhǔn)。
Upgrade the original system. The operation of the desulfurization wastewater treatment system should be checked for the turbidity of the water coming from the desulfurization wastewater, and the operation of the desulfurization wastewater treatment system should be adjusted and revamped accordingly. In the range of design parameters, the backwashing flow rate of Zeda multi-medium filter should be increased, so as to avoid the residual sediment in the filter layer and prevent the sediment and filter material. Caking into lumps. At the same time, consider increasing air washing to ensure the effect of backwashing; re-screen the filter material to optimize the particle size distribution; control the flow rate and pressure during operation; do not drain the water in the filter during non-operation, and retain a certain height of water cushion. Through a series of adjustment of operation mode, we found a relatively ideal operation mode, the water quality improved, and reached the standard of reused water quality.

多介質(zhì)過(guò)濾器設(shè)計(jì)時(shí),能直接考慮采取無(wú)人值守操作方式,一般投運(yùn)并反洗,方便運(yùn)行人員操作。在電廠廢水處理中,多介質(zhì)過(guò)濾器能夠?qū)U水進(jìn)行預(yù)處理,實(shí)現(xiàn)水資源的再利用,同時(shí)也能帶來(lái)經(jīng)濟(jì)效益。
In the design of multi-media filter, the unattended operation mode can be directly considered. It is generally put into operation and backwashed, which is convenient for operators to operate. In wastewater treatment of power plants, multi-media filters can pretreat wastewater, realize the reuse of water resources, and also bring economic benefits.
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