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玻璃鋼貯罐的機械性能隨工作溫度的升高而降低

日期:2018-4-22 18:15:43 人氣:0

零下(xia)(xia)(xia)10°至800°玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)罐的(de)(de)(de)(de)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)與(yu)其使(shi)用(yong)的(de)(de)(de)(de)樹(shu)脂種(zhong)類與(yu)固化劑及(ji)固化條(tiao)件有關。玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)貯罐的(de)(de)(de)(de)機械性能隨工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)的(de)(de)(de)(de)升高而降低(di)。工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)上(shang)限(xian)的(de)(de)(de)(de)取(qu)值(zhi),各(ge)國(guo)(guo)(guo)標(biao)(biao)(biao)(biao)準不(bu)(bu)一致。日本(ben)標(biao)(biao)(biao)(biao)準為(wei)(wei)800C;美(mei)國(guo)(guo)(guo)“ASTM”為(wei)(wei)82°;英國(guo)(guo)(guo)“BS',為(wei)(wei)110°;"ASME”設計溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)為(wei)(wei)650°(壓力容(rong)器(qi));國(guo)(guo)(guo)內(nei)《玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)/聚氯乙(yi)烯復合(he)管和管件》規(gui)定(ding)(ding)最(zui)高溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)為(wei)(wei)80°, 參照國(guo)(guo)(guo)內(nei)外(wai)標(biao)(biao)(biao)(biao)準,工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)上(shang)限(xian)取(qu)200°,不(bu)(bu)同的(de)(de)(de)(de)介質溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)應選用(yong)不(bu)(bu)同的(de)(de)(de)(de)樹(shu)脂。對于玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)儲(chu)罐的(de)(de)(de)(de)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)下(xia)(xia)(xia)限(xian)值(zhi),國(guo)(guo)(guo)內(nei)對此(ci)沒有規(gui)定(ding)(ding)。國(guo)(guo)(guo)外(wai)日本(ben)標(biao)(biao)(biao)(biao)準,AD標(biao)(biao)(biao)(biao)準、ASTM標(biao)(biao)(biao)(biao)準等對此(ci)也(ye)未作(zuo)(zuo)規(gui)定(ding)(ding),僅BS標(biao)(biao)(biao)(biao)準規(gui)定(ding)(ding)最(zui)低(di)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)為(wei)(wei)零下(xia)(xia)(xia)30°。考(kao)慮到國(guo)(guo)(guo)內(nei)外(wai)原材料(liao)的(de)(de)(de)(de)差異,再加(jia)之國(guo)(guo)(guo)內(nei)手糊玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)制造(zao)廠(chang)家很多,所(suo)用(yong)原材料(liao)在技術指(zhi)標(biao)(biao)(biao)(biao)上(shang)、配方上(shang)沒有統一標(biao)(biao)(biao)(biao)準,成(cheng)型(xing)后的(de)(de)(de)(de)玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)儲(chu)罐在質量上(shang)差異很大,所(suo)以(yi),工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)下(xia)(xia)(xia)限(xian)暫定(ding)(ding)為(wei)(wei)零下(xia)(xia)(xia)100°。但用(yong)戶可以(yi)根據當(dang)地(di)的(de)(de)(de)(de)實際使(shi)用(yong)經驗和制造(zao)廠(chang)的(de)(de)(de)(de)加(jia)工(gong)水平(ping)確(que)定(ding)(ding)玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)儲(chu)罐的(de)(de)(de)(de)最(zui)低(di)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)。玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)儲(chu)罐壁溫(wen)(wen)(wen)(wen)(wen)不(bu)(bu)僅受內(nei)存(cun)介質的(de)(de)(de)(de)影(ying)響(xiang),同時也(ye)受安(an)裝地(di)區環(huan)境溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)的(de)(de)(de)(de)影(ying)響(xiang),玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)儲(chu)罐的(de)(de)(de)(de)最(zui)低(di)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)除考(kao)慮工(gong)藝操作(zuo)(zuo)條(tiao)件等因素外(wai),尚應考(kao)慮環(huan)境溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)。若玻(bo)(bo)(bo)璃(li)鋼(gang)(gang)儲(chu)罐的(de)(de)(de)(de)壁溫(wen)(wen)(wen)(wen)(wen)由(you)大氣(qi)(qi)(qi)環(huan)境氣(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)條(tiao)件所(suo)確(que)定(ding)(ding),其最(zui)低(di)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)(du)可按該地(di)區氣(qi)(qi)(qi)象資料(liao),取(qu)歷年來月平(ping)均最(zui)低(di)氣(qi)(qi)(qi)溫(wen)(wen)(wen)(wen)(wen)的(de)(de)(de)(de)最(zui)低(di)值(zhi)。

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