蝶閥在氣力輸送使用過程的重要作用以及主要參數指標

2022-04-06 作者：Array

隨著耐高溫、耐低溫、耐強腐蝕、高強度合金材料在氣力輸送蝶(die)(die)閥中的(de)應(ying)用(yong)(yong),使金(jin)屬密封(feng)蝶(die)(die)閥在(zai)(zai)高溫(wen)、低溫(wen)、強沖蝕等工(gong)(gong)況(kuang)下得到(dao)廣泛的(de)應(ying)用(yong)(yong),并部(bu)分取代了(le)截止閥、閘閥和(he)(he)球(qiu)閥。由于(yu)(yu)蝶(die)(die)閥蝶(die)(die)板的(de)運動帶有擦拭性,故大(da)多數蝶(die)(die)閥可(ke)用(yong)(yong)于(yu)(yu)帶懸浮顆粒的(de)介(jie)質,依據密封(feng)件(jian)的(de)強度(du)也(ye)可(ke)用(yong)(yong)于(yu)(yu)粉狀和(he)(he)顆粒狀的(de)介(jie)質,又能進行靈敏的(de)流(liu)量控制(zhi),蝶(die)(die)閥的(de)結構原理(li)適合于(yu)(yu)制(zhi)作(zuo)大(da)口徑(jing)閥門(men)。氣力輸送(song)，在(zai)(zai)要求(qiu)(qiu)節(jie)(jie)流(liu)和(he)(he)調節(jie)(jie)控制(zhi)流(liu)量、泥漿介(jie)質及含固體(ti)顆粒介(jie)質、要求(qiu)(qiu)閥門(men)結構長度(du)短、要求(qiu)(qiu)啟閉速度(du)快和(he)(he)壓差較小的(de)工(gong)(gong)況(kuang)條件(jian)下,推薦選用(yong)(yong)蝶(die)(die)閥。在(zai)(zai)雙位調節(jie)(jie)、縮口的(de)通道、低噪聲、有氣穴和(he)(he)氣化現(xian)象、向(xiang)大(da)氣少(shao)量滲漏及介(jie)質有磨損性時(shi),可(ke)以(yi)選用(yong)(yong)蝶(die)(die)閥。在(zai)(zai)特殊工(gong)(gong)況(kuang)條件(jian)下節(jie)(jie)流(liu)調節(jie)(jie)或(huo)要求(qiu)(qiu)密封(feng)嚴格,過磨損嚴重、低溫(wen)(深冷)等工(gong)(gong)況(kuang)條件(jian)下使用(yong)(yong)蝶(die)(die)閥時(shi),應(ying)選用(yong)(yong)特殊設計(ji)金(jin)屬密封(feng)帶調節(jie)(jie)裝置(zhi)的(de)三偏(pian)心(xin)或(huo)雙偏(pian)心(xin)的(de)專用(yong)(yong)蝶(die)(die)閥。

1、輸(shu)送能(neng)(neng)力：輸(shu)送機械的(de)輸(shu)送能(neng)(neng)力是指單(dan)位時(shi)(shi)(shi)間內輸(shu)送的(de)物(wu)料量。在輸(shu)送散(san)狀物(wu)料時(shi)(shi)(shi)，以每小時(shi)(shi)(shi)輸(shu)送物(wu)料的(de)質(zhi)量或體積計(ji)算；在輸(shu)送成件物(wu)品(pin)時(shi)(shi)(shi)，以每小時(shi)(shi)(shi)輸(shu)送的(de)件數(shu)計(ji)算。

2、輸(shu)送(song)(song)(song)(song)速(su)度(du)：提高(gao)(gao)輸(shu)送(song)(song)(song)(song)速(su)度(du)可(ke)以(yi)提高(gao)(gao)輸(shu)送(song)(song)(song)(song)能力。在以(yi)輸(shu)送(song)(song)(song)(song)帶(dai)作(zuo)牽引件且輸(shu)送(song)(song)(song)(song)長度(du)較(jiao)大時(shi)，輸(shu)送(song)(song)(song)(song)速(su)度(du)日趨增大。但(dan)高(gao)(gao)速(su)運轉的帶(dai)式(shi)輸(shu)送(song)(song)(song)(song)機(ji)需注意振動、噪(zao)聲和啟動、制動等問題。對于以(yi)鏈(lian)條(tiao)作(zuo)為牽引件的輸(shu)送(song)(song)(song)(song)機(ji)，輸(shu)送(song)(song)(song)(song)速(su)度(du)不宜(yi)過(guo)大，以(yi)防止增大動力載荷(he)。同時(shi)進行工藝操作(zuo)的輸(shu)送(song)(song)(song)(song)機(ji)，氣力輸(shu)送(song)(song)(song)(song)，輸(shu)送(song)(song)(song)(song)速(su)度(du)應按生產工藝要求(qiu)確定(ding)。

3、構(gou)件尺寸(cun)(cun)：輸(shu)送(song)(song)機(ji)械的構(gou)件尺寸(cun)(cun)包括輸(shu)送(song)(song)帶(dai)寬度、板條寬度、料斗容積、管道直徑和容器大小等。這些(xie)構(gou)件尺寸(cun)(cun)都直接影響輸(shu)送(song)(song)機(ji)的輸(shu)送(song)(song)能力。

4、輸送(song)長度(du)和(he)(he)傾角：輸送(song)線路(lu)長度(du)和(he)(he)傾角大(da)小直(zhi)接影響(xiang)輸送(song)機(ji)的總阻力和(he)(he)所需要的功(gong)率。

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