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造紙廢水處理工藝

氣浮機


工藝特點 PROCESS CHARACTERISTICS


廢水經引水渠自流經格柵過濾粗大物質後,進入集水池,用泵提升至微濾機回收纖維自流進入調節池,沉澱泥砂雜物,再用泵提升至氣浮機,泵前加入一號藥,進入混凝反應狀態,混凝反應時廢水經“破乳”電性中和吸附作用,形成細小礬花,機前加入二號藥,依靠二號藥的絮凝作用,網撲卷掃,礬花變成礬花絮團在曝氣反應筒內密集氣泡群的浮升作用下,絮團和水固液相分離在水麵富集,在水流的推進作用下,刮泥機沿液麵運動,將懸浮物推入汙泥排放管道,靠重力自流將浮渣送入收集器排出至汙泥幹化池自然幹化,或壓濾、幹化壓濾後的汙泥外運填埋或拌煤燃燒,清水由下部調節板溢流出水,經管道進入生化處理模塊,經生化處理的水達標排放或回收。工藝上采用簡單高效的活性汙泥法並通過加藥沉澱來提高懸浮物的去除率,活性汙泥法耐衝擊負荷能力強,有機物去除率高,處理效果穩定可靠。曝氣係統采用我公司研製的推流式液下曝氣機,曝氣效果、占地、噪音、動力消耗和操作維護等都明顯優於其它曝氣設備。綜合所述,混合廢水通過上述處理後,完全可以確保達標排放。

Wastewater after rough diversion channels from flowing through the grating filter material, into the pool, pump up to the recycling fiber microfiltration machine themselves go into the regulation pool, precipitation mud sundry, to pump up to the air flotation machine, pump before joining the number one drug, enter a state of coagulation reaction, coagulation reaction effluent by the demulsification, electrical neutralization adsorption form tiny alum flowers, machine before joining 2 medicine, rely on the flocculation of the no. 2 medicine, net swept volume, alum flowers as alum tidbits in aerated reaction tube densely bubble group of the rose, under the action of floccules and water solid liquid separation enrichment of the water in the water under the action of promoting, mud scraper movement along the liquid surface, to push the suspended sludge discharge pipe, by gravity artesian discharge scum into collector to natural drying, sludge drying pool or pressure filtration, dry filter sinotrans sludge landfill or mixed coal combustion, the overflow outlet water from bottom plate, the pipe into the biochemical processing module, the biochemical treatment of the national standards or recycled water. Process simple and efficient activated sludge process and by dosing precipitation to increase the removal rate of suspended solids, activated sludge process impact resistance load capacity is strong, high removal rate of organic matter, the treatment effect is stable and reliable. Aeration system developed by my

company push liquid flow aerator, aeration effect and covers, noise, low power consumption and operation and maintenance and so on all is superior to other aeration equipment. Comprehensive described above, mixed wastewater after the treatment, can ensure the discharging standard completely


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