| 混凝劑加藥裝置 |
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價(jià)格：4000 元(人民幣) | 產(chǎn)地：本地 |
| 最少起訂量：1 | 發(fā)貨地：本地至全國(guó) | |
| 上架時(shí)間：2019-11-11 11:20:50 | 瀏覽量：117 | |
成都靈泉環(huán)？萍加邢薰
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| 經(jīng)營(yíng)模式：其他 | 公司類(lèi)型：貿(mào)易型,服務(wù)型 | |
| 所屬行業(yè)：餐飲炊事機(jī)械及設(shè)備 | 主要客戶：全國(guó) | |
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| 聯(lián)系人:賀茂松 () | 手機(jī):13981813955 |
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| 郵箱:14861724@qq.com | 地址:中國(guó)四川省成都市 高新區(qū)天仁路222號(hào) |
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設(shè)備介紹<\/span><\/span><\/strong><\/p> 水體中均含有一定量的膠體粒子，它們?cè)陟o電斥力和布朗熱運(yùn)動(dòng)的作用下能夠克服重力影響，保持動(dòng)態(tài)平衡，不會(huì)凝聚沉淀，進(jìn)而影響濁度指標(biāo)<\/span>。<\/span>混凝劑投加到水中后水解成帶電膠體，與其周?chē)碾x子組成雙電層結(jié)構(gòu)的膠團(tuán)，水中的雜質(zhì)顆粒在混凝劑的作用下首先失去穩(wěn)定性，然后相互凝集成尺寸較大的顆粒，加快沉淀澄清作用，便于后續(xù)過(guò)濾設(shè)備的濾除，提高產(chǎn)水的潔凈度。<\/span><\/span><\/p> 混凝劑加藥裝置一般由計(jì)量泵、溶液箱及攪拌機(jī)（選配）組成。<\/span>混凝劑的品種、加藥量根據(jù)藥品來(lái)源、水質(zhì)（<\/span>PH<\/span>、堿度、濁度、有機(jī)物含量等）、處理后水質(zhì)及運(yùn)行要求（水溫、澄清池等），經(jīng)試驗(yàn)確定。<\/span>調(diào)整計(jì)量泵上的沖程及加藥頻率，從溶液箱中抽取混凝劑通過(guò)計(jì)量泵進(jìn)行計(jì)量投加。<\/span><\/span><\/p> 常用混凝劑藥劑如下，供用戶選擇：<\/span><\/span><\/p> 常用的無(wú)機(jī)鹽類(lèi)混凝劑<\/span><\/strong><\/span><\/p> 名稱<\/span><\/strong><\/p><\/td> 分<\/span><\/strong>子<\/span><\/strong>式<\/span><\/strong><\/p><\/td> 一<\/span><\/strong>般<\/span><\/strong>介<\/span><\/strong>紹<\/span><\/strong><\/p><\/td><\/tr><\/thead> 精制硫酸鋁<\/span><\/p><\/td> Al<\/span>2<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>·18H<\/span>2<\/span><\/sub>O<\/span><\/span><\/p><\/td> （<\/span>1<\/span>）含無(wú)水硫酸鋁<\/span>50%~52%<\/span><\/p> （<\/span>2<\/span>）適用于水溫為<\/span>20~40<\/span>℃<\/span><\/p> （<\/span>3<\/span>）當(dāng)<\/span>pH=4~7<\/span>時(shí)，主要去除水中有機(jī)物<\/span><\/p> pH=5.7~7.8<\/span>時(shí)，主要去除水中懸浮物<\/span><\/p> pH=6.4~7.8<\/span>時(shí)，處理濁度高、色度低（<\/span><30<\/span>度）的水<\/span><\/p> （<\/span>4<\/span>）濕式投加時(shí)一般先溶解成<\/span>10%~20%<\/span>的溶液<\/span><\/p><\/td><\/tr> 工業(yè)硫酸鋁<\/span><\/p><\/td> Al<\/span>2<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>·18H<\/span>2<\/span><\/sub>O<\/span><\/span><\/p><\/td> （<\/span>1<\/span>）制造工藝較簡(jiǎn)單<\/span><\/p> （<\/span>2<\/span>）無(wú)水硫酸鋁含量各地產(chǎn)品不同，設(shè)計(jì)時(shí)一般可采用<\/span>20%~25%<\/span><\/p> （<\/span>3<\/span>）價(jià)格比精制硫酸鋁便宜<\/span><\/p> （<\/span>4<\/span>）用于廢水處理時(shí)，投加量一般為<\/span>50~200mg/L<\/span><\/p> （<\/span>5<\/span>）其他同精制硫酸鋁<\/span><\/p><\/td><\/tr> 明礬<\/span><\/p><\/td> Al<\/span>2<\/span><\/sub>(SO<\/span>4<\/span><\/sub>)<\/span>3<\/span><\/sub>·K<\/span>2<\/span><\/sub>SO<\/span>4<\/span><\/sub>·24H<\/span>2<\/span><\/sub>O<\/span><\/span><\/p><\/td> （<\/span>1<\/span>）同精制硫酸鋁（<\/span>2<\/span>）、（<\/span>3<\/span>）<\/span><\/p> （<\/span>2<\/span>）現(xiàn)已大部分被硫酸鋁所代替<\/span><\/p><\/td><\/tr> 硫酸亞鐵<\/span><\/p> （綠礬）<\/span><\/p><\/td> FeSO<\/span>4<\/span><\/sub>·7H<\/span>2<\/span><\/sub>O<\/span><\/span><\/p><\/td> （<\/span>1<\/span>）腐蝕性較高<\/span><\/p> （<\/span>2<\/span>）礬花形成較快，較穩(wěn)定，沉淀時(shí)間短<\/span><\/p> （<\/span>3<\/span>）適用于堿度高，濁度高，<\/span>pH=8.1~9.6<\/span>的水，不論在冬季或夏季使用都很穩(wěn)定，混凝作用良好，當(dāng)<\/span>pH<\/span>值較低時(shí)（<\/span><8.0<\/span>），常使用氯來(lái)氧化，使二價(jià)鐵氧化成三價(jià)鐵，也可以用同時(shí)投加石灰的方法解決<\/span><\/p><\/td><\/tr> 三氯化鐵<\/span><\/p><\/td> FeCl<\/span>3<\/span><\/sub>·6H<\/span>2<\/span><\/sub>O<\/span><\/span><\/p><\/td> （<\/span>1<\/span>）對(duì)金屬（尤其對(duì)鐵器）腐蝕性大，對(duì)混凝土亦腐蝕，對(duì)塑料管也會(huì)因發(fā)熱而引起變形<\/span><\/p> （<\/span>2<\/span>）不受溫度影響，礬花結(jié)得大，沉淀速度快，效果較好<\/span><\/p> （<\/span>3<\/span>）易溶解，易混合，渣滓少<\/span><\/p> （<\/span>4<\/span>）適用**<\/span>pH<\/span>值為<\/span>6.0~8.4<\/span><\/p><\/td><\/tr> 聚合氯化鋁<\/span><\/p><\/td> [Al<\/span>n<\/span><\/sub>(OH)<\/span>m<\/span><\/sub>Cl<\/span>3n-m<\/span><\/sub>]<\/span><\/span><\/p> （通式）<\/span><\/p> 簡(jiǎn)寫(xiě)<\/span>PAC<\/span><\/p><\/td> （<\/span>1<\/span>）凈化效率高，耗藥量少，過(guò)濾性能好，對(duì)各種工業(yè)廢水適應(yīng)性較廣<\/span><\/p> （<\/span>2<\/span>）溫度適應(yīng)性高，<\/span>pH<\/span> |
