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爆破片廠家選型指南

更新時間:2021-08-15 瀏覽次數:1125

爆破(po)片(pian)廠家選(xuan)型時(shi)會要求提供(gong)工(gong)(gong)作(zuo)壓(ya)(ya)力、工(gong)(gong)作(zuo)溫度、介質及相(xiang)態、爆破(po)壓(ya)(ya)力、爆破(po)溫度、有無安(an)全閥串聯、有無負壓(ya)(ya)等(deng)工(gong)(gong)況參數(shu)。

比如以下這些情況都會影響廠家對爆破片型號的選擇:

1:泄放(fang)系統(tong)對于(yu)爆(bao)破片(pian)碎(sui)片(pian)的(de)(de)(de)要求。泄放(fang)介質(zhi)易(yi)燃易(yi)爆(bao)時,爆(bao)破片(pian)爆(bao)破后產(chan)(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)碎(sui)片(pian)可(ke)能(neng)與(yu)泄放(fang)管道(dao)產(chan)(chan)生(sheng)(sheng)(sheng)撞擊(ji)火花,進而引燃介質(zhi),產(chan)(chan)生(sheng)(sheng)(sheng)所(suo)謂的(de)(de)(de)二次爆(bao)炸,導致(zhi)嚴重的(de)(de)(de)后果。當爆(bao)破片(pian)串聯(lian)安裝在安全閥(fa)入口側(ce)時,爆(bao)破片(pian)爆(bao)破后如果產(chan)(chan)生(sheng)(sheng)(sheng)碎(sui)片(pian)可(ke)能(neng)會使安全閥(fa)堵塞(sai),在這種情況下要求爆(bao)破片(pian)爆(bao)破后不能(neng)產(chan)(chan)生(sheng)(sheng)(sheng)碎(sui)片(pian)。

2:泄(xie)放介質的(de)相態。當泄(xie)放介質為純液相時,一般(ban)不宜(yi)選用(yong)反拱(gong)型(xing)爆破片,推薦選用(yong)正拱(gong)形(xing)爆破片。

3:爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)的(de)(de)(de)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)壓力(li)與泄放(fang)(fang)直徑。當爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)壓力(li)很高時,一般不(bu)宜(yi)選擇反(fan)(fan)拱(gong)(gong)(gong)型(xing)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)。在較低(di)的(de)(de)(de)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)壓力(li)下(xia),爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)的(de)(de)(de)厚度(du)很小(xiao),對(dui)于(yu)反(fan)(fan)拱(gong)(gong)(gong)型(xing)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)來說比較容(rong)易達到失(shi)穩反(fan)(fan)轉(zhuan)立即(ji)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)。根據結構界定的(de)(de)(de)反(fan)(fan)轉(zhuan)時文后致破(po)(po)(po)(po)(po)的(de)(de)(de)難(nan)易程度(du),反(fan)(fan)拱(gong)(gong)(gong)鱷(e)齒(chi)型(xing)比反(fan)(fan)拱(gong)(gong)(gong)帶(dai)(dai)(dai)刀形(xing)適(shi)用的(de)(de)(de)壓力(li)更低(di)。帶(dai)(dai)(dai)槽型(xing)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)不(bu)宜(yi)勇子壓力(li)很低(di)的(de)(de)(de)場(chang)(chang)合(he),以(yi)免爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)厚度(du)太小(xiao),給(gei)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)的(de)(de)(de)制(zhi)造造成困難(nan)。正拱(gong)(gong)(gong)開(kai)縫(feng)型(xing)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)適(shi)用于(yu)壓力(li)很低(di)的(de)(de)(de)場(chang)(chang)合(he),當爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)的(de)(de)(de)泄放(fang)(fang)口徑很小(xiao)時,選用正拱(gong)(gong)(gong)開(kai)縫(feng)型(xing)和反(fan)(fan)拱(gong)(gong)(gong)帶(dai)(dai)(dai)刀形(xing)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian),或(huo)者泄放(fang)(fang)直徑很大時選用帶(dai)(dai)(dai)槽型(xing)爆(bao)(bao)(bao)破(po)(po)(po)(po)(po)片(pian)(pian)都(dou)會給(gei)制(zhi)造帶(dai)(dai)(dai)來困難(nan)。

4:應該根(gen)據具體(ti)的工作工況對爆破(po)(po)片進行選(xuan)型。此外,當爆破(po)(po)片的爆破(po)(po)溫(wen)度不能準確確定(ding)時,宜選(xuan)用反拱(gong)型爆破(po)(po)片。

此(ci)外,使(shi)用方(fang)對(dui)于價格的(de)要(yao)求也會影響廠家(jia)對(dui)爆破(po)片(pian)型號的(de)選擇,特殊(shu)材質的(de)價格要(yao)高(gao)于噴涂(tu)或者襯氟的(de)。



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