正壓風筒詳細(xi)介紹
一、用途:用于煤礦、隧道、井下局部(bu)扇風機進行正壓通風;
二、風(feng)筒結構及規(gui)格尺寸
風(feng)(feng)筒(tong)品種(zhong):風(feng)(feng)筒(tong)按(an)涂(tu)覆布材料分為橡(xiang)膠涂(tu)覆布正(zheng)(zheng)壓風(feng)(feng)筒(tong)、塑料涂(tu)覆布正(zheng)(zheng)壓風(feng)(feng)筒(tong)和橡(xiang)塑涂(tu)覆布正(zheng)(zheng)壓風(feng)(feng)筒(tong)。
礦用產品隧道風(feng)(feng)(feng)筒(tong)(tong),工程(cheng)風(feng)(feng)(feng)筒(tong)(tong),正(zheng)壓(ya)風(feng)(feng)(feng)筒(tong)(tong),負壓(ya)風(feng)(feng)(feng)筒(tong)(tong),風(feng)(feng)(feng)筒(tong)(tong)布(bu),導風(feng)(feng)(feng)筒(tong)(tong),礦用風(feng)(feng)(feng)帶,
骨架風(feng)筒(tong)(tong)(tong),螺旋風(feng)帶,雙(shuang)抗風(feng)筒(tong)(tong)(tong),防(fang)爆風(feng)袋(dai),拉鏈風(feng)筒(tong)(tong)(tong),煤礦風(feng)筒(tong)(tong)(tong),pvc風(feng)筒(tong)(tong)(tong),
風(feng)筒快速接頭,三防蓋布,PVC篷(peng)布,防雨篷(peng)布,
隔(ge)爆水槽,隔(ge)爆水袋(dai),水泡(pao)泥袋(dai),壓風自(zi)救裝置,供水施(shi)救裝置,雙供自(zi)救器
1-端(duan)圈 2-吊環安裝線 3-吊環 4-反邊(bian)
項目尺寸(cun)允許誤(wu)差(mm)
風筒直徑(D)150 300 400 450 500 600 800 1000~22000±6
風筒(tong)長(chang)度(L)5 10 20 300±100
注:1、風筒(tong)尺寸(cun)或特(te)殊形狀規格的異型(xing)風筒(tong)、彎頭、三(san)通等,可根據(ju)需(xu)方要(yao)求制造。
2、風筒(tong)吊環、端圈等金屬配件的規(gui)格如有特殊要求(qiu)由供需雙方(fang)商定(ding)。
3、風(feng)筒兩端(duan)加反邊其(qi)長(chang)度L,為(wei)150-200mm。
三、風筒通風性能(neng)測試(shi)報(bao)告
風(feng)(feng)筒(tong)直(zhi)徑,mm百米風(feng)(feng)阻(N·S 2 /M 8 )百米漏風(feng)(feng)率(% )
300≤811.0≤4.0
400≤196.0
450≤122.0
500≤54.0
600≤24.0
800≤6.0
1000≤2.0
注(zhu):每條風筒長度為10m時。
四、風(feng)筒(tong)耐(nai)風(feng)壓(ya)性(xing):風(feng)筒(tong)經(jing)耐(nai)風(feng)壓(ya)試驗(yan)后不(bu)(bu)得產(chan)生風(feng)筒(tong)脫節、涂覆(fu)布撕裂、接縫開口等現象。風(feng)筒(tong)直徑(jing)膨脹(zhang)率不(bu)(bu)得大于3.0%.
1、耐風壓測定:使風筒(tong)內壓達到5000~5100Pa,并保持5min,觀察風筒(tong)有無(wu)脫節(jie)、撕裂、接縫開口等異常現象;
2、膨(peng)脹率測(ce)定:在風(feng)(feng)筒耐(nai)風(feng)(feng)壓測(ce)定的同(tong)時,用卷(juan)尺測(ce)量(liang)風(feng)(feng)筒周長,計算風(feng)(feng)筒直徑膨(peng)脹率。
五、包(bao)裝 運(yun)輸 貯存
1、風筒(tong)吊環(huan)應(ying)折疊在外側(ce),用編(bian)制袋包裝。
2、風筒在運輸過程(cheng)中(zhong),防止機械(xie)撞(zhuang)擊和摩擦(ca),避免日曬、雨淋。
3、產品(pin)應貯存在(zai)(zai)通風良好的(de)(de)庫(ku)房內(nei),堆碼不得過高,以免(mian)影響(xiang)使(shi)用質(zhi)量,使(shi)用過的(de)(de)導(dao)風筒,應先沖洗涼(liang)干,然(ran)后(hou)再折疊存放(fang),禁止(zhi)與(yu)有(you)損(sun)于(yu)橡膠和塑料(liao)品(pin)質(zhi)的(de)(de)物質(zhi)接(jie)觸,避免(mian)陽(yang)光直射、雨(yu)淋,倉貯溫(wen)度應在(zai)(zai)-15℃~35℃之間(jian),相對(dui)溫(wen)度45-75﹪之間(jian),并距熱源1m以外。
4、在(zai)巷道內應(ying)懸(xuan)掛起來,做到(dao)平直、拉(la)緊吊(diao)牢、逢環必掛、見壞必補(bu)、拐彎緩(huan)慢、排除積水(shui),以利(li)降(jiang)低阻力。(修補(bu)方法:將破損處(chu)洗凈涼干,用膠水(shui)處(chu)理)
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