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砂水分離器主要結(jié)構(gòu)

2019-11-17  來自: 衡水市衡美水處理設(shè)備有限公司 瀏覽次數(shù):1511

如何進行水處理

衡美水處理為您介紹一種經(jīng)久耐用、性能優(yōu)越的水處理設(shè)備——砂水分離器,并向您詳細(xì)介紹砂水分離器的主要結(jié)構(gòu)

衡美水處理

一、砂水分離器結(jié)構(gòu)組成

砂水分離器由驅(qū)動裝置、螺旋體、水箱U形槽、襯條等部件組成,砂水分離器本體由砂水分離槽和螺旋輸砂槽組成。各部分介紹如下:

1、驅(qū)動裝置裝采用軸裝式減速機與螺旋軸直聯(lián)。

在輸砂槽頂部裝有支承軸承,螺旋軸軸承有可靠的密封和良好的潤滑條件,該軸承裝置能防水、防塵,并便于潤滑和維修。

螺旋體的驅(qū)動裝置采用國際知名品牌的齒輪減速電機,服務(wù)系數(shù)不小于1.6。齒輪為合金鋼,滲碳處理,齒面硬度不低于HRC5862。電機應(yīng)適用于戶外使用,防護等級IP65,電壓等級為三相、380v50HzF級絕緣,電機的額定功率應(yīng)高于實耗功率10%以上。

2、螺旋軸螺旋直徑為Φ280mm,采用無軸螺旋,能保證物料輸送流暢無堵塞。

3、螺旋輸砂槽為U型斷面,螺旋槽直徑為320mm安裝角度約25°,除進料口敞開外,其余部分均為加平蓋密封結(jié)構(gòu),為可拆方式,上端設(shè)出料口,高出地面約1.75m。螺旋輸送槽出料口高于分離器槽頂300mm以上。

4、螺旋輸砂槽與水箱為整體結(jié)構(gòu),有足夠的強度和剛度,無滲漏。整體結(jié)構(gòu)由型鋼支撐固定在混凝土基礎(chǔ)上。

砂水分離器是污水中有機砂的分離及提升的一體化設(shè)備,可分離出粒徑≥0.2mm的顆粒,有較高的分離效率,設(shè)備采用無軸螺旋,無水中軸承,具有重量輕、結(jié)構(gòu)緊湊、運行可靠、安裝方便等特點,是一種理想的砂水分離設(shè)備。

砂水分離器安裝傾角在20°—30°之間,砂水混合液從進水管進入水箱,混合液中比重較大的顆粒(如砂粒)由于自重面下降沉積于螺旋槽底部,在螺旋的推動下,物料沿斜置的U型槽底部提升,離開液面后,繼續(xù)上移一段距離,砂粒中的水份逐漸在螺旋槽中的間隙中流回水箱,砂粒也逐漸干化在出料口處,依靠自重落入其它輸送裝置。上清液則不斷的從排水管中流出。達(dá)到砂水分離的目的。

二、砂水分離器工作原理

砂水混合液從分離器一端頂部輸入水箱,混合液中比重較大的如砂粒等到將沉積于槽形底部,在螺旋葉片的推動下。砂粒沿斜置的u型槽底提升,離開液面后繼續(xù)推移一段距離,在砂粒充分脫水后經(jīng)排砂口卸至盛砂桶,而與砂分離的水則從溢流口排出,達(dá)到分離目的。另外,砂水分離器進水口處還可設(shè)置一圓筒式旋流預(yù)分離器,污水沿圓筒切線方向進入渦流使砂粒沉下進入螺旋分離器,溢流液回沉砂池格柵井,起到預(yù)沉砂及調(diào)節(jié)水量的作用螺旋砂水分離器的分離效果。

1螺旋式砂水分離器砂水分離器由無軸螺旋、襯條、U型槽、水箱、導(dǎo)流板、出水堰和驅(qū)動裝置組成。

2、砂水混合物從分離器一端頂部輸入水箱,混合液中重度較大的,如砂粒等將沉積于槽型底部,在螺旋推動下,砂粒沿斜置的槽底提出升,離開液面后繼續(xù)推移一段距離,在砂粒充分脫水后經(jīng)排砂口卸至盛砂桶,而與砂水分離后的水從溢流口排出并送往廠內(nèi)進水池。

砂水分離器適用于污水處理廠的沉砂池,將沉淀池排出的砂水混合液進行砂水分離。

3、分離效率可達(dá)96%~98%,可分離出粒徑≥0.2mm的顆粒;

4、采用無軸螺旋,無水中軸承,維護方便;

5、結(jié)構(gòu)緊湊,重量輕;

6、新型傳動裝置,其關(guān)鍵產(chǎn)件--減速器為***的軸裝式,不用聯(lián)軸器,安裝對中方便;

7、襯條為快裝式,便于更換

8、螺旋軸向位置可調(diào),便于調(diào)整其尾部和箱壁的安全間隙;

三、螺旋砂水分離器主要結(jié)構(gòu)

螺旋砂水分離器由驅(qū)動裝置、螺旋體、水箱、U形槽、襯條等部件組成。砂水分離機本體由砂水分離槽和螺旋輸砂槽組成。水槽的分離流量和螺旋輸砂能力分離槽內(nèi)停留時間>2min,并具有足夠的余量。

1驅(qū)動裝置裝采用軸裝式減速機與螺旋軸直聯(lián)。

在輸砂槽頂部裝有支承軸承,螺旋軸軸承有可靠的密封和良好的潤滑條件,該軸承裝置能防水、防塵,并便于潤滑和維修。

螺旋體的驅(qū)動裝置采用國際知名品牌的齒輪減速電機,服務(wù)系數(shù)不小于1.6。齒輪為合金鋼,滲碳處理,齒面硬度不低于HRC5862。電機應(yīng)適用于戶外使用,防護等級IP65,電壓等級為三相、380v50HzF級絕緣,電機的額定功率應(yīng)高于實耗功率10%以上。

2螺旋軸螺旋直徑為Φ280mm,采用無軸螺旋,能保證物料輸送流暢無堵塞。

3螺旋輸砂槽為U型斷面,螺旋槽直徑為320mm,安裝角度約25°,除進料口敞開外,其余部分均為加平蓋密封結(jié)構(gòu),為可拆方式,上端設(shè)出料口,高出地面約1.75m。螺旋輸送槽出料口高于分離器槽頂300mm以上。

4螺旋輸砂槽與水箱為整體結(jié)構(gòu),有足夠的強度和剛度,無滲漏。整體結(jié)構(gòu)由型鋼支撐固定在混凝土基礎(chǔ)上。

砂水混合液從分離器一端頂部輸入水箱,混合液中重度較大的砂粒等將沉積干槽形底部,在螺旋的推動下。砂粒沿斜的U型槽底提升,離開液面后繼續(xù)推移一段距離,在砂粒充分脫水后經(jīng)排砂口卸至盛砂桶。而與砂分離后的水則從溢流口派出并送往廠內(nèi)進水池。螺旋砂水分離器主要用于對沉砂池除砂設(shè)備排出的泥水混合物進行砂水分離,以利于運輸。

四、砂水分離器主要零件材料

槽本體(包括密封蓋)材料為不銹鋼304

螺旋體材料為耐磨耐蝕特種鋼。

螺栓等緊固件材料為不銹鋼316

電機減速機

五、砂水分離器電器控制系統(tǒng)

由配套供應(yīng)的電控箱控制。

其他詳細(xì)技術(shù)要求參見《機械設(shè)備配套的電氣控制箱(柜)專用技術(shù)規(guī)范》。 砂水分離器的運行應(yīng)與輸砂泵聯(lián)動,此外控制柜(箱)應(yīng)具備與輸砂系統(tǒng)連接的無源干接點外接端子。信號內(nèi)容詳見招標(biāo)圖:PLC01~PLC04 I/O清單,信號要求詳見儀控章節(jié)。

六、砂水分離器設(shè)備的可靠性及耐久性

1、設(shè)備無故障時間不少于20000小時。

2、設(shè)備每年檢修一次,電器元件使用年限為3年,減速機、軸承為10年。

3、整機使用壽命25年以上。

七、砂水分離器的防腐

1、制造砂水分離機設(shè)備的全部材料應(yīng)適用于污水廠的腐蝕環(huán)境,未經(jīng)保護或非防腐性材料,按基本要求的有關(guān)條款的規(guī)定進行處理。

2、不銹鋼部件加工完后對其表面進行酸洗處理,以增加表面光潔度和增強抗氧化能力。

3、包裝前對機加工面按GB4879標(biāo)準(zhǔn)要求做防銹處理。

4、運輸安裝過程中涂層破損,嚴(yán)格按涂裝工藝進行修復(fù),其質(zhì)量水平不低于原涂層的質(zhì)量水平。

八、安裝和檢驗

1參考標(biāo)準(zhǔn)

GB503342002 城市污水處理廠工程質(zhì)量驗收規(guī)范

GB50231-2009 機械設(shè)備安裝工程施工及驗收通用規(guī)范

GB503342002 城市污水處理廠工程質(zhì)量驗收規(guī)范

2、現(xiàn)場條件

1根據(jù)施工圖及對應(yīng)土建工程的標(biāo)高、位置,進行上述沉砂池設(shè)備的安裝。

2)機械設(shè)備安裝前,對建成構(gòu)筑物的相關(guān)土建尺寸,進行核對,并作詳細(xì)記錄,對不符合安裝條件的部分,應(yīng)向項目監(jiān)理報告,經(jīng)批準(zhǔn)及修正后,方可安裝。

3)各設(shè)備的安裝就位使操作人員具有操作空間,便于就近工作。

3設(shè)備結(jié)構(gòu)要素

1)砂水分離機為螺旋輸送式,在現(xiàn)場整機安裝。

2) 上述各設(shè)備的安裝、部件之間的配合關(guān)系和安裝順序應(yīng)按制造廠安裝手冊為準(zhǔn)。

3)各構(gòu)筑物上設(shè)備安裝連接的管路系統(tǒng)按設(shè)備資料為準(zhǔn)。

4與土建工程分界面

1)上述沉砂池設(shè)備在土建構(gòu)筑物上的預(yù)留孔屬土建工程。

2)設(shè)備固定用的基礎(chǔ)螺栓和各設(shè)備間的連接管路均屬本設(shè)備安裝工程的范圍。

5安裝技術(shù)條件

1)進行設(shè)備安裝前,其安裝位置和標(biāo)高符合設(shè)計要求,平面位置偏差不大于±10mm,標(biāo)高偏差不大于±20mm

2)砂水分離機安裝基礎(chǔ)平臺應(yīng)平穩(wěn)、與進砂管、溢水管的連結(jié)無滲水現(xiàn)象。

6檢驗和調(diào)試

1)安裝后,按技術(shù)要求進行檢驗,保證其允差值符合規(guī)定的指標(biāo)

2)檢查和加注潤滑油脂。

3)提供砂水分離機輸砂效果和排出砂的含水率等檢驗報告。

4)若試驗結(jié)果達(dá)不到技術(shù)規(guī)格書的性能要求(包括水量、除砂率、有機物分離率),承包商應(yīng)于試驗后立即進行缺陷整改,更換設(shè)備或修正直到試驗結(jié)果滿足招標(biāo)文件要求,所有整改的測試費用均由承包商負(fù)責(zé)。

衡美水處理專注水處理設(shè)備生產(chǎn)研發(fā)十五年,為您量身定制水處理解決方案


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