NEWS
一(yi)、污水(shui)排水(shui)管安(an)裝(zhuang)一(yi)般要(yao)求 1.排水(shui)管一(yi)般應地下埋設(she)和地上明設(she)，如建(jian)筑或(huo)工藝有特殊要(yao)求，可在管槽、管井、管溝或(huo)吊頂內暗設(she)，但(dan)必須考(kao)慮安(an)裝(zhuang)和檢(jian)修方便。 2.排水(shui)管不得(de)布(bu)置在遇(yu)水(shui)引起燃燒、爆炸或(huo)損壞原料、產品和設(she)備的地方。架空管道不得(de)敷設(she)在有特殊衛生(sheng)要(yao)求的生(sheng)產...
室內排水管(guan)(guan)道常用管(guan)(guan)材及(ji)連接方式，如表2-16所(suo)列。室內排水管(guan)(guan)道施工工藝流程： 施工準(zhun)備→埋(mai)地管(guan)(guan)安裝(zhuang)→干管(guan)(guan)安裝(zhuang)→立管(guan)(guan)安裝(zhuang)→橫支管(guan)(guan)安裝(zhuang)→器(qi)具支管(guan)(guan)安裝(zhuang)→灌水試(shi)驗→通水通球(qiu)試(shi)驗。1.硬(ying)聚(ju)乙(yi)烯排水塑料管(guan)(guan)安裝(zhuang) a.埋(mai)地管(guan)(guan)道 ①.鋪設埋(mai)地管(guan)(guan)宜分兩段進行，第...
大(da)便(bian)(bian)器安(an)(an)(an)(an)裝施(shi)工(gong)(gong)工(gong)(gong)藝流程：定位畫線→存水彎安(an)(an)(an)(an)裝→大(da)便(bian)(bian)器安(an)(an)(an)(an)裝→高（低）水箱安(an)(an)(an)(an)裝。一(yi)(yi)、施(shi)工(gong)(gong)要求(qiu)安(an)(an)(an)(an)裝 a.高水箱蹲式(shi)大(da)便(bian)(bian)器安(an)(an)(an)(an)裝 1.安(an)(an)(an)(an)裝前(qian)應(ying)檢查(cha)大(da)便(bian)(bian)器有無裂紋或(huo)缺陷，清除連接大(da)便(bian)(bian)器承(cheng)口周圍的雜(za)物，檢查(cha)有無堵塞(sai)。 2.安(an)(an)(an)(an)裝一(yi)(yi)臺(tai)階P形存水彎...
按系統(tong)(tong)接納的(de)(de)污廢水(shui)(shui)類型不同(tong)，建(jian)筑(zhu)內部排(pai)水(shui)(shui)系統(tong)(tong)可分(fen)以下三類。1.生(sheng)(sheng)活排(pai)水(shui)(shui)系統(tong)(tong) 用于排(pai)除(chu)居住建(jian)筑(zhu)、公共建(jian)筑(zhu)和(he)工(gong)廠(chang)生(sheng)(sheng)活區的(de)(de)洗(xi)滌廢水(shui)(shui)和(he)糞便污水(shui)(shui)等。洗(xi)滌廢水(shui)(shui)經處(chu)理后，可作為雜用水(shui)(shui)用來沖洗(xi)廁所(suo)、澆灑綠地和(he)道路以及沖洗(xi)汽(qi)車(che)。2.工(gong)業廢水(shui)(shui)水(shui)(shui)系統(tong)(tong) 用于排(pai)除(chu)生(sheng)(sheng)產過程所(suo)產生(sheng)(sheng)...
一、室(shi)(shi)(shi)內(nei)消(xiao)(xiao)(xiao)防栓給水(shui)系(xi)統(tong) 建(jian)(jian)筑(zhu)高度不超過24m的(de)低層建(jian)(jian)筑(zhu)物(wu)室(shi)(shi)(shi)內(nei)消(xiao)(xiao)(xiao)防栓給水(shui)系(xi)統(tong)，一般可用(yong)來撲滅建(jian)(jian)筑(zhu)物(wu)內(nei)的(de)初期火災。 根(gen)據建(jian)(jian)筑(zhu)物(wu)高度、室(shi)(shi)(shi)外管網(wang)壓(ya)力、流量和室(shi)(shi)(shi)內(nei)消(xiao)(xiao)(xiao)防流量、水(shui)壓(ya)等要求，室(shi)(shi)(shi)內(nei)消(xiao)(xiao)(xiao)防給水(shui)系(xi)統(tong)可分(fen)為三類：1.無加壓(ya)泵(beng)和水(shui)箱的(de)室(shi)(shi)(shi)內(nei)消(xiao)(xiao)(xiao)防栓給水(shui)系(xi)統(tong) 此種給...
一、埋(mai)地干管敷設(she) 埋(mai)地敷設(she)俗(su)稱“鋪(pu)設(she)”，其標(biao)高一般(ban)在－0.300m-0.400m（室(shi)內(nei)地面為±0.000)為宜。管道變(bian)徑時，DN50mm以(yi)(yi)內(nei)的(de)(de)變(bian)小(xiao)兩號(hao)(hao)(hao)、DN70mm以(yi)(yi)上的(de)(de)變(bian)小(xiao)一號(hao)(hao)(hao)者不(bu)得使用補心變(bian)徑，因為易(yi)折斷(duan)；當DN50mm以(yi)(yi)內(nei)的(de)(de)變(bian)小(xiao)三號(hao)(hao)(hao)，DN70mm以(yi)(yi)上變(bian)小(xiao)兩號(hao)(hao)(hao)者...
鋁(lv)塑復合(he)管(guan)道敷設(she)可分為明設(she)和暗設(she)。室內明設(she)管(guan)道宜(yi)(yi)在內墻面飾層完成后進行安裝(zhuang)；暗設(she)管(guan)道則應(ying)在墻、地面粉飾層前進行安裝(zhuang)。一、施工(gong)安裝(zhuang)要(yao)點(dian)1.應(ying)配合(he)土(tu)建施工(gong)進行預埋預留，預留孔(kong)洞應(ying)比管(guan)外(wai)徑大30mm,暗敷管(guan)道的溝槽寬度(du)和深(shen)度(du)宜(yi)(yi)比管(guan)外(wai)徑大10mm~20mm,有管(guan)件的部(bu)位可適...
給(gei)水(shui)管(guan)(guan)(guan)道(dao)(dao)必(bi)須(xu)采用(yong)與管(guan)(guan)(guan)材(cai)(cai)相適應的管(guan)(guan)(guan)件。生(sheng)活給(gei)水(shui)系統材(cai)(cai)料必(bi)須(xu)達到飲(yin)用(yong)水(shui)衛生(sheng)標準。室(shi)內(nei)給(gei)水(shui)管(guan)(guan)(guan)材(cai)(cai)及連(lian)接方式，如(ru)表2-13所列(lie)。室(shi)內(nei)給(gei)水(shui)管(guan)(guan)(guan)道(dao)(dao)施工工藝流程： 施工準備(bei)→埋地(di)管(guan)(guan)(guan)安裝(zhuang)→平管(guan)(guan)(guan)安裝(zhuang)→立管(guan)(guan)(guan)安裝(zhuang)→支管(guan)(guan)(guan)安裝(zhuang)、管(guan)(guan)(guan)試水(shui)壓試驗→管(guan)(guan)(guan)道(dao)(dao)消毒沖(chong)洗→竣工驗收(shou)一、施工安裝(zhuang)要求(qiu)1.埋地(di)管(guan)(guan)(guan)安裝(zhuang)&...
給水(shui)系統按用(yong)(yong)途(tu)可(ke)分為生(sheng)活、生(sheng)產、消(xiao)防三(san)(san)類。上述(shu)三(san)(san)類給水(shui)系統可(ke)獨立設置，也可(ke)根據實際條件和需要組合成共用(yong)(yong)給水(shui)系統。1.引(yin)入(ru)管(guan)(guan)(guan) 指將(jiang)室外不(bu)銹鋼(gang)給水(shui)管(guan)(guan)(guan)引(yin)入(ru)建筑物的管(guan)(guan)(guan)段。住宅內生(sheng)活不(bu)銹鋼(gang)給水(shui)管(guan)(guan)(guan)進人(ren)住戶(hu)(hu)至水(shui)表的管(guan)(guan)(guan)段稱(cheng)為人(ren)戶(hu)(hu)管(guan)(guan)(guan)又稱(cheng)進戶(hu)(hu)管(guan)(guan)(guan)。2.計量儀表 這(zhe)里主要指水(shui)...
A目前(qian)國(guo)內外廣(guang)泛(fan)使用的油(you)氣(qi)(qi)輸(shu)送(song)鋼(gang)管采用的標準(zhun)(zhun) 目前(qian)國(guo)內外廣(guang)泛(fan)使用的油(you)氣(qi)(qi)輸(shu)送(song)鋼(gang)管采用的標準(zhun)(zhun)有(you)： 1.美國(guo)石油(you)學會的APISPEC5L《管線管規(gui)范》； 2.國(guo)際標準(zhun)(zhun)ISO3183-1、2、3《石油(you)天然(ran)氣(qi)(qi)輸(shu)送(song)鋼(gang)管交(jiao)貨技術條件》；&nbs...
對(dui)不(bu)(bu)銹鋼(gang)管(guan)道(dao)支(zhi)、吊架制作，其選(xuan)型、材質、加工(gong)尺寸應(ying)符合(he)設(she)計要求，要檢查(cha)其加工(gong)合(he)格證或(huo)按施工(gong)圖核(he)對(dui)。焊(han)(han)(han)接質量要牢固(gu)，無漏焊(han)(han)(han)、裂紋等缺陷。支(zhi)、吊架外形(xing)規整，焊(han)(han)(han)縫表面(mian)光潔，整體美觀(guan)大方。對(dui)于工(gong)廠加工(gong)的(de)產(chan)品，每一品種應(ying)抽查(cha)10%,且(qie)不(bu)(bu)得小(xiao)于3件。 不(bu)(bu)銹鋼(gang)管(guan)道(dao)支(zhi)、...
當水平管(guan)道向(xiang)上垂直(zhi)彎(wan)曲(qu)成(cheng)為立(li)(li)管(guan)敷設時(shi)，除在立(li)(li)管(guan)上安裝支承立(li)(li)管(guan)支架外，在彎(wan)管(guan)處還要(yao)用(yong)(yong)(yong)固定(ding)(ding)托(tuo)(tuo)架將立(li)(li)管(guan)托(tuo)(tuo)住(zhu)，該托(tuo)(tuo)架要(yao)承受立(li)(li)管(guan)及保(bao)溫層(ceng)、立(li)(li)管(guan)上裝設的閥門附件(jian)等重量(liang)。 彎(wan)管(guan)用(yong)(yong)(yong)固定(ding)(ding)托(tuo)(tuo)架可用(yong)(yong)(yong)管(guan)柱（即一段管(guan)子）支托(tuo)(tuo)，也可用(yong)(yong)(yong)鋼板作成(cheng)工字形(xing)支托(tuo)(tuo)，其結構形(xing)式(shi)如圖(tu)2-25所示。...
