球型輕質多孔(kong)生(sheng)物濾料(liao)以(yi)粘土、膨潤土、煉(lian)鋼赤泥為主要原料(liao),并添加特(te)制(zhi)(zhi)的(de)發泡造(zao)孔(kong)劑,經造(zao)粒成型、高(gao)溫燒結,制(zhi)(zhi)備成表(biao)面(mian)粗糙、比表(biao)面(mian)積大、孔(kong)隙率高(gao)、外表(biao)堅硬的(de)陶粒。
本產品(pin)(pin)與(yu)傳統的(de)(de)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)濾(lv)(lv)料(liao)相比?不(bu)(bu)僅具有質地輕、化學穩定性好、強度(du)適宜、表面(mian)粗糙易掛膜(mo)、吸水(shui)(shui)(shui)性適中(zhong)等優點,而(er)且(qie)表面(mian)微(wei)孔(kong)發達且(qie)分布合理(li),平均(jun)微(wei)孔(kong)直徑約(yue)為200微(wei)米,非常適合微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)的(de)(de)接種、馴(xun)化、繁(fan)殖生(sheng)(sheng)(sheng)(sheng)長(chang),同(tong)時耐沖洗、不(bu)(bu)堵(du)塞,具有良好的(de)(de)物(wu)(wu)理(li)、化學和水(shui)(shui)(shui)力學特性。可(ke)適應于不(bu)(bu)同(tong)污水(shui)(shui)(shui)凈化的(de)(de)要求(qiu)。由于該(gai)濾(lv)(lv)料(liao)比表面(mian)積(ji)高(gao)達6-9m2/g,可(ke)附著生(sheng)(sheng)(sheng)(sheng)長(chang)并積(ji)累高(gao)濃度(du)的(de)(de)微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)量(liang)(liang)。高(gao)濃度(du)的(de)(de)微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)量(liang)(liang)使(shi)(shi)曝氣生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)濾(lv)(lv)池的(de)(de)容積(ji)負荷(he)增大,降(jiang)解速率顯著提高(gao)。大量(liang)(liang)的(de)(de)微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)生(sheng)(sheng)(sheng)(sheng)長(chang)在生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)濾(lv)(lv)料(liao)表面(mian)和開口微(wei)孔(kong)內,特別是生(sheng)(sheng)(sheng)(sheng)長(chang)在微(wei)孔(kong)內的(de)(de)微(wei)生(sheng)(sheng)(sheng)(sheng)物(wu)(wu)不(bu)(bu)易流失(shi),即(ji)使(shi)(shi)長(chang)時間不(bu)(bu)運轉也能(neng)保持其菌種,并使(shi)(shi)BAF可(ke)間斷運行,管理(li)簡單(dan)。該(gai)濾(lv)(lv)料(liao)為無(wu)機燒結(jie)材(cai)料(liao),經久耐用,故(gu)設備(bei)維修費用低。本產品(pin)(pin)經?“建設部水(shui)(shui)(shui)處理(li)濾(lv)(lv)料(liao)質量(liang)(liang)監督(du)檢(jian)測(ce)(ce)中(zhong)心(xin)”檢(jian)測(ce)(ce),指(zhi)標(biao)(biao)優良,性能(neng)可(ke)靠,同(tong)時本產品(pin)(pin)經?“中(zhong)國(guo)疾病預防控制中(zhong)心(xin)環(huan)境與(yu)健(jian)康相關產品(pin)(pin)安(an)全所”檢(jian)測(ce)(ce),所有指(zhi)標(biao)(biao)均(jun)符合《生(sheng)(sheng)(sheng)(sheng)活飲用水(shui)(shui)(shui)輸配水(shui)(shui)(shui)設備(bei)及防護材(cai)料(liao)的(de)(de)安(an)全性能(neng)評(ping)價(jia)標(biao)(biao)準》要求(qiu),可(ke)用于生(sheng)(sheng)(sheng)(sheng)活飲用水(shui)(shui)(shui)的(de)(de)處理(li)。?
濾(lv)料技術(shu)參數
特性名稱 | 磨損率(lv)與破碎率(lv)之和(%) | 含泥量(liang)(%) | 鹽酸可溶性(%) | 表觀(guan)密度(g/cm3) | 堆積(ji)密度(du)(g/cm3) | 空隙率(lv)(%) | 比表面積(cm2/g) | 筒(tong)壓強度(MPa) |
參數 | ≤4 | ≤1 | ≤1.5 | 1.4~1.8 | ≤1.0 | >42 | ≥2×104 | ≥6 |