貴陽推薦通風設備批發

一、風管及部件安裝的有關規定1.風管安裝的強制規定,當風管穿過需要封閉的防火、防爆墻體或樓板時，應設預埋管或防護套管。套管鋼板厚度不應小于1.6mm，風管與防護套管之間應用不燃且對人體無害的柔性材料封堵，風道應安裝設防火閥。風管內嚴禁各種管道、電線敷設及穿越；輸送含有易燃易爆氣體或安裝在易燃易爆環境的風管系統，應有良好的接地，通過生活區、生產房間時必須嚴密，不得設接口；推薦通風設備室外主管的固定拉索嚴禁拉在避雷針或避雷網上。輸送溫度高于80℃的空氣的風管，應按設計要求采取防護措施。2.風管安裝的一般規定風管安裝宜在建筑圍護結構施工完畢、場所清理后進行。凈化空調風管應在安裝部位地面做好，墻面抹灰工序完畢，室內無飛塵或有防塵措施后進行。貴陽通風設備安裝風(feng)管(guan)前(qian)應清除管(guan)內(nei)外雜物(wu)，并做好(hao)清潔和保(bao)護工(gong)作(zuo)，風(feng)管(guan)安裝的位置、標高和走向等應符合設計要求，現場風(feng)管(guan)接(jie)口的配置不得縮小有效截面。

什么是(shi)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)，常見(jian)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)有(you)哪些類(lei)型(xing)，風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)主要指中(zhong)央(yang)空(kong)(kong)(kong)調(diao)系(xi)統的(de)(de)(de)通風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)道，它(ta)常常被忽視，但卻是(shi)空(kong)(kong)(kong)調(diao)系(xi)統的(de)(de)(de)重要組(zu)成部分(fen)。風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)是(shi)由薄鋼(gang)板(ban)、鋁(lv)板(ban)、硬聚氯乙烯(xi)板(ban)、玻璃鋼(gang)以(yi)(yi)(yi)及(ji)其它(ta)復合材料等(deng)制成的(de)(de)(de)，用于輸送空(kong)(kong)(kong)氣和空(kong)(kong)(kong)氣混合物的(de)(de)(de)各種(zhong)管(guan)(guan)(guan)(guan)道的(de)(de)(de)總稱。1、按照(zhao)材質可(ke)分(fen)為：金(jin)(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、非金(jin)(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)。其中(zhong)：（1）金(jin)(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)又可(ke)分(fen)為：鋼(gang)板(ban)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、鋁(lv)板(ban)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、不銹鋼(gang)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)等(deng)；（2）非金(jin)(jin)屬(shu)(shu)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)可(ke)以(yi)(yi)(yi)分(fen)為：硬聚氯乙烯(xi)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、有(you)機玻璃風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、無機玻璃風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、玻璃鋼(gang)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)以(yi)(yi)(yi)及(ji)其它(ta)復合材料風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)等(deng)；2、按照(zhao)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)外形(xing)可(ke)分(fen)為：圓形(xing)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、矩形(xing)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)；3、按照(zhao)通風(feng)(feng)(feng)(feng)空(kong)(kong)(kong)調(diao)系(xi)統工作壓(ya)(ya)力可(ke)分(fen)為：高壓(ya)(ya)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、中(zhong)壓(ya)(ya)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)、低壓(ya)(ya)風(feng)(feng)(feng)(feng)管(guan)(guan)(guan)(guan)三(san)個(ge)類(lei)別，

1，通(tong)(tong)風(feng)(feng)風(feng)(feng)管(guan)(guan)(guan)安(an)裝(zhuang)在支架上，應(ying)設托(tuo)座。2，通(tong)(tong)風(feng)(feng)風(feng)(feng)管(guan)(guan)(guan)如(ru)有(you)穿(chuan)出屋面外部(bu)分，應(ying)設置防雨(yu)罩。3，通(tong)(tong)風(feng)(feng)風(feng)(feng)管(guan)(guan)(guan)采(cai)用無法蘭連時，接口處應(ying)嚴密(mi)牢固。通(tong)(tong)風(feng)(feng)風(feng)(feng)管(guan)(guan)(guan)連接兩平面應(ying)平直，不得錯位及(ji)扭(niu)曲(qu)。4，輸(shu)送(song)易產(chan)生冷凝水的(de)通(tong)(tong)風(feng)(feng)風(feng)(feng)管(guan)(guan)(guan)，安(an)裝(zhuang)應(ying)設計坡度。通(tong)(tong)風(feng)(feng)風(feng)(feng)管(guan)(guan)(guan)底部(bu)不能有(you)縱向的(de)接縫， 如(ru)必須有(you)接縫，則應(ying)采(cai)用密(mi)封方式(shi)。通(tong)(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)(dao)安(an)裝(zhuang)完畢后，應(ying)進行嚴密(mi)性(xing)試驗(yan)，如(ru)發現異常情(qing)況，通(tong)(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)(dao)的(de)制(zhi)作、安(an)裝(zhuang)、檢驗(yan)和試驗(yan)，是一個連貫的(de)工(gong)(gong)程(cheng)(cheng)，做到安(an)全適(shi)用，經濟(ji)合(he)理(li)，方便施工(gong)(gong)，確(que)保通(tong)(tong)風(feng)(feng)管(guan)(guan)(guan)道(dao)(dao)的(de)工(gong)(gong)程(cheng)(cheng)質(zhi)量。

1. 技術背景,在(zai)(zai)(zai)焊(han)(han)(han)接(jie)(jie)接(jie)(jie)頭(tou)中(zhong)(zhong)由于(yu)焊(han)(han)(han)接(jie)(jie)所(suo)引起的各種(zhong)(zhong)(zhong)(zhong)裂(lie)(lie)紋(wen)(wen)(wen)(wen)，統稱焊(han)(han)(han)接(jie)(jie)裂(lie)(lie)紋(wen)(wen)(wen)(wen)。焊(han)(han)(han)接(jie)(jie)裂(lie)(lie)紋(wen)(wen)(wen)(wen)在(zai)(zai)(zai)焊(han)(han)(han)縫金屬與熱影響(xiang)區中(zhong)(zhong)都(dou)可能產(chan)生，是(shi)焊(han)(han)(han)接(jie)(jie)凝(ning)固冶(ye)金和(he)固相(xiang)冶(ye)金過(guo)程中(zhong)(zhong)產(chan)生為危險的一(yi)種(zhong)(zhong)(zhong)(zhong)缺陷。焊(han)(han)(han)接(jie)(jie)結(jie)構產(chan)生的破壞事故大(da)部分(fen)都(dou)是(shi)焊(han)(han)(han)接(jie)(jie)裂(lie)(lie)紋(wen)(wen)(wen)(wen)所(suo)引起的。隨著現代工業(ye)的發(fa)展，焊(han)(han)(han)接(jie)(jie)結(jie)構也(ye)趨向大(da)型化、大(da)容(rong)量(liang)和(he)高(gao)參數發(fa)展。有(you)(you)的在(zai)(zai)(zai)低溫、腐蝕介質(zhi)下(xia)工作，也(ye)有(you)(you)的在(zai)(zai)(zai)高(gao)溫高(gao)壓下(xia)工作，廣泛都(dou)用(yong)(yong)到各種(zhong)(zhong)(zhong)(zhong)高(gao)合金鋼(gang)、不(bu)銹鋼(gang)，以(yi)(yi)及種(zhong)(zhong)(zhong)(zhong)種(zhong)(zhong)(zhong)(zhong)合金材料。這些材料往(wang)往(wang)都(dou)對裂(lie)(lie)紋(wen)(wen)(wen)(wen)十分(fen)敏感，而(er)裂(lie)(lie)紋(wen)(wen)(wen)(wen)卻(que)又是(shi)大(da)多(duo)重(zhong)(zhong)大(da)事故的誘(you)因，必須(xu)十分(fen)重(zhong)(zhong)視。焊(han)(han)(han)接(jie)(jie)裂(lie)(lie)紋(wen)(wen)(wen)(wen)種(zhong)(zhong)(zhong)(zhong)類繁多(duo)，產(chan)生的條件(jian)(jian)和(he)原因各不(bu)相(xiang)同。有(you)(you)些裂(lie)(lie)紋(wen)(wen)(wen)(wen)在(zai)(zai)(zai)焊(han)(han)(han)后立即產(chan)生了，有(you)(you)些在(zai)(zai)(zai)焊(han)(han)(han)后延續一(yi)定(ding)時間再產(chan)生，甚至在(zai)(zai)(zai)使用(yong)(yong)過(guo)程中(zhong)(zhong)，在(zai)(zai)(zai)一(yi)定(ding)的外界(jie)條件(jian)(jian)誘(you)發(fa)下(xia)再產(chan)生。裂(lie)(lie)紋(wen)(wen)(wen)(wen)既(ji)出現在(zai)(zai)(zai)焊(han)(han)(han)縫和(he)熱影響(xiang)區表面，也(ye)產(chan)生在(zai)(zai)(zai)其(qi)內部。它對焊(han)(han)(han)接(jie)(jie)結(jie)構的危害有(you)(you)以(yi)(yi)下(xia)幾點。

防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥的(de)外(wai)觀(guan)，防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥應(ying)外(wai)觀(guan)完好無損，機(ji)械(xie)(xie)部分外(wai)表無銹蝕、變形(xing)或機(ji)械(xie)(xie)損傷(shang)。在(zai)其明顯部位設(she)置(zhi)(zhi)(zhi)(zhi)永久性標(biao)(biao)牌(pai)，標(biao)(biao)明產(chan)品(pin)名(ming)(ming)稱、型號、規格、耐火(huo)性能及(ji)商標(biao)(biao)、生(sheng)產(chan)單位(制造商)名(ming)(ming)稱和(he)廠址(zhi)、出日期及(ji)產(chan)品(pin)生(sheng)產(chan)批號、執(zhi)行(xing)標(biao)(biao)準等，內(nei)容清晰，設(she)置(zhi)(zhi)(zhi)(zhi)牢(lao)靠。防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥的(de)安裝(zhuang)位置(zhi)(zhi)(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥主要安裝(zhuang)在(zai)風(feng)(feng)管(guan)(guan)(guan)(guan)靠近(jin)防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)分隔處(chu)，暗(an)裝(zhuang)時，安裝(zhuang)部位應(ying)設(she)置(zhi)(zhi)(zhi)(zhi)方便維護的(de)檢修(xiu)口。具體檢查要求(qiu)為：(1)通(tong)風(feng)(feng)、空調系統的(de)風(feng)(feng)管(guan)(guan)(guan)(guan)，在(zai)以下部位應(ying)設(she)置(zhi)(zhi)(zhi)(zhi)公稱動作(zuo)溫度(du)為70℃的(de)防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥:①穿越防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)分區(qu)處(chu);②穿越通(tong)風(feng)(feng)、空調機(ji)房的(de)房間隔墻(qiang)(qiang)和(he)樓(lou)板處(chu);③穿越重要或火(huo)災危險(xian)性大的(de)房間隔墻(qiang)(qiang)和(he)樓(lou)板處(chu);④穿越防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)分隔處(chu)的(de)變形(xing)縫兩側;⑤豎(shu)向風(feng)(feng)管(guan)(guan)(guan)(guan)與(yu)每(mei)層(ceng)水平(ping)風(feng)(feng)管(guan)(guan)(guan)(guan)交接處(chu)的(de)水平(ping)管(guan)(guan)(guan)(guan)段上。當建(jian)(jian)筑(zhu)內(nei)每(mei)個防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)分區(qu)的(de)通(tong)風(feng)(feng)、空調系統均獨立設(she)置(zhi)(zhi)(zhi)(zhi)時，水平(ping)風(feng)(feng)管(guan)(guan)(guan)(guan)與(yu)豎(shu)向總管(guan)(guan)(guan)(guan)的(de)交接處(chu)可不(bu)設(she)置(zhi)(zhi)(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥。(2)公共建(jian)(jian)筑(zhu)的(de)浴室(shi)、衛生(sheng)間和(he)廚房的(de)豎(shu)向排(pai)風(feng)(feng)管(guan)(guan)(guan)(guan)，應(ying)采取防(fang)(fang)(fang)(fang)(fang)(fang)止回(hui)流措(cuo)施，并宜在(zai)支管(guan)(guan)(guan)(guan)上設(she)置(zhi)(zhi)(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥。(3)公共建(jian)(jian)筑(zhu)內(nei)廚房的(de)排(pai)油煙管(guan)(guan)(guan)(guan)道(dao)，宜按防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)分區(qu)設(she)置(zhi)(zhi)(zhi)(zhi)，且在(zai)與(yu)豎(shu)向排(pai)風(feng)(feng)管(guan)(guan)(guan)(guan)連接的(de)支管(guan)(guan)(guan)(guan)處(chu)應(ying)設(she)置(zhi)(zhi)(zhi)(zhi)防(fang)(fang)(fang)(fang)(fang)(fang)火(huo)閥。