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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)10°至800°玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)罐的(de)工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)與其使用(yong)的(de)樹脂種(zhong)類與固(gu)化(hua)劑及固(gu)化(hua)條件有(you)關。玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)貯罐的(de)機械(xie)性能隨工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)的(de)升高而(er)降低。工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)上(shang)限的(de)取(qu)值(zhi),各(ge)國(guo)(guo)(guo)(guo)標(biao)(biao)準(zhun)(zhun)不(bu)一致。日(ri)本標(biao)(biao)準(zhun)(zhun)為800C;美國(guo)(guo)(guo)(guo)“ASTM”為82°;英國(guo)(guo)(guo)(guo)“BS',為110°;"ASME”設計溫(wen)(wen)度(du)(du)為650°(壓力容器);國(guo)(guo)(guo)(guo)內《玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)/聚氯(lv)乙烯復合管和管件》規定(ding)(ding)最高溫(wen)(wen)度(du)(du)為80°, 參照國(guo)(guo)(guo)(guo)內外(wai)標(biao)(biao)準(zhun)(zhun),工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)上(shang)限取(qu)200°,不(bu)同(tong)的(de)介(jie)(jie)質溫(wen)(wen)度(du)(du)應(ying)選用(yong)不(bu)同(tong)的(de)樹脂。對(dui)于(yu)玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)儲罐的(de)工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)下(xia)限值(zhi),國(guo)(guo)(guo)(guo)內對(dui)此沒有(you)規定(ding)(ding)。國(guo)(guo)(guo)(guo)外(wai)日(ri)本標(biao)(biao)準(zhun)(zhun),AD標(biao)(biao)準(zhun)(zhun)、ASTM標(biao)(biao)準(zhun)(zhun)等對(dui)此也未作(zuo)規定(ding)(ding),僅BS標(biao)(biao)準(zhun)(zhun)規定(ding)(ding)最低溫(wen)(wen)度(du)(du)為零下(xia)30°。考慮(lv)到國(guo)(guo)(guo)(guo)內外(wai)原材料的(de)差異,再加之國(guo)(guo)(guo)(guo)內手糊玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)制造(zao)廠(chang)家很多(duo),所(suo)用(yong)原材料在(zai)技術指標(biao)(biao)上(shang)、配方上(shang)沒有(you)統一標(biao)(biao)準(zhun)(zhun),成型后的(de)玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)儲罐在(zai)質量上(shang)差異很大,所(suo)以,工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)下(xia)限暫定(ding)(ding)為零下(xia)100°。但用(yong)戶可(ke)以根據當地(di)的(de)實際(ji)使用(yong)經(jing)驗和制造(zao)廠(chang)的(de)加工(gong)(gong)水平(ping)確(que)定(ding)(ding)玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)儲罐的(de)最低工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)。玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)儲罐壁溫(wen)(wen)不(bu)僅受內存介(jie)(jie)質的(de)影(ying)響(xiang),同(tong)時也受安(an)裝地(di)區(qu)環境溫(wen)(wen)度(du)(du)的(de)影(ying)響(xiang),玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)儲罐的(de)最低工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)除考慮(lv)工(gong)(gong)藝操作(zuo)條件等因素外(wai),尚應(ying)考慮(lv)環境溫(wen)(wen)度(du)(du)。若玻(bo)(bo)(bo)(bo)(bo)(bo)璃(li)(li)(li)鋼(gang)(gang)(gang)儲罐的(de)壁溫(wen)(wen)由(you)大氣(qi)(qi)環境氣(qi)(qi)溫(wen)(wen)條件所(suo)確(que)定(ding)(ding),其最低工(gong)(gong)作(zuo)溫(wen)(wen)度(du)(du)可(ke)按(an)該地(di)區(qu)氣(qi)(qi)象資料,取(qu)歷年來(lai)月平(ping)均最低氣(qi)(qi)溫(wen)(wen)的(de)最低值(zhi)。

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