其他(ta)炭石(shi)墨(mo)制(zhi)(zhi)品介(jie)紹-溫(wen)度(du)(du)(du)(du)(du)計(ji)(ji)(ji)用(yong)(yong)保護(hu)管(guan)(guan)：石(shi)墨(mo)的(de)熱傳導率高，耐熱沖擊性也好(hao)，在電(dian)爐(lu)中作為(wei)測定(ding)熔融(rong)金屬溫(wen)度(du)(du)(du)(du)(du)使(shi)(shi)用(yong)(yong)的(de)浸(jin)漬式電(dian)氣溫(wen)度(du)(du)(du)(du)(du)計(ji)(ji)(ji)二(er)重(zhong)管(guan)(guan)式保護(hu)管(guan)(guan)的(de)外管(guan)(guan)使(shi)(shi)用(yong)(yong)。這(zhe)種用(yong)(yong)保護(hu)管(guan)(guan)的(de)溫(wen)度(du)(du)(du)(du)(du)計(ji)(ji)(ji)略圖如圖9-29所(suo)示(shi)。除前端部外，浸(jin)入(ru)熔融(rong)金屬部完全(quan)用(yong)(yong)石(shi)墨(mo)制(zhi)(zhi)的(de)外管(guan)(guan)保護(hu)，溫(wen)度(du)(du)(du)(du)(du)計(ji)(ji)(ji)內部裝(zhuang)有(you)(you)電(dian)熱對(dui)。用(yong)(yong)石(shi)英(ying)(ying)管(guan)(guan)保護(hu)的(de)溫(wen)度(du)(du)(du)(du)(du)計(ji)(ji)(ji)在前端部數厘米(mi)處露出的(de)部分在熔融(rong)金屬中前后浸(jin)入(ru)10s進行測溫(wen)。這(zhe)樣可以使(shi)(shi)用(yong)(yong)200次左(zuo)右。這(zhe)個(ge)保護(hu)管(guan)(guan)是由(you)溫(wen)度(du)(du)(du)(du)(du)計(ji)(ji)(ji)前端部有(you)(you)石(shi)英(ying)(ying)保護(hu)管(guan)(guan)的(de)錐形(xing)石(shi)墨(mo)插(cha)頭，為(wei)把插(cha)頭固定(ding)在石(shi)墨(mo)外管(guan)(guan)而附有(you)(you)帶螺(luo)紋的(de)襯套，為(wei)保護(hu)鋼制(zhi)(zhi)內管(guan)(guan)的(de)石(shi)墨(mo)制(zhi)(zhi)外管(guan)(guan)等構成(cheng)。石(shi)墨(mo)外管(guan)(guan)的(de)外徑(jing)為(wei)φ(40?60)mm,內徑(jing)為(wei),φ(23~25)mm,長1000mm左(zuo)右，根據需要可以接到所(suo)需長度(du)(du)(du)(du)(du)。四川(chuan)石(shi)墨(mo)電(dian)極購買聯系成(cheng)都格萊(lai)法特碳素制(zhi)(zhi)品有(you)(you)限公司。成(cheng)都碳素制(zhi)(zhi)品供(gong)應廠(chang)家

玻(bo)(bo)(bo)(bo)璃(li)(li)(li)工業(ye)中(zhong)的(de)炭(tan)素(su)耐(nai)(nai)火(huo)材料介紹：在(zai)(zai)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)工業(ye)中(zhong)還使用(yong)炭(tan)素(su)耐(nai)(nai)火(huo)材料，炭(tan)素(su)不(bu)(bu)為(wei)熔(rong)融玻(bo)(bo)(bo)(bo)璃(li)(li)(li)所浸潤(run)，在(zai)(zai)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)上不(bu)(bu)殘(can)留斑點和(he)(he)搔(sao)痕，耐(nai)(nai)熱(re)沖擊(ji)性(xing)強，不(bu)(bu)需要(yao)潤(run)滑(hua)劑，而且(qie)容易(yi)機械(xie)加工，許(xu)多種石墨制品在(zai)(zai)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)工業(ye)上有各種用(yong)途(tu)，可(ke)以用(yong)做石墨車(che)輪(lun)、玻(bo)(bo)(bo)(bo)璃(li)(li)(li)板用(yong)滾道、滑(hua)板、玻(bo)(bo)(bo)(bo)璃(li)(li)(li)纖維的(de)導向器和(he)(he)纏(chan)輻(fu)輪(lun)、玻(bo)(bo)(bo)(bo)璃(li)(li)(li)容器的(de)鑄模材料等(deng)。玻(bo)(bo)(bo)(bo)璃(li)(li)(li)工業(ye)中(zhong)的(de)炭(tan)素(su)耐(nai)(nai)火(huo)材料介紹：在(zai)(zai)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)工業(ye)中(zhong)還使用(yong)炭(tan)素(su)耐(nai)(nai)火(huo)材料，炭(tan)素(su)不(bu)(bu)為(wei)熔(rong)融玻(bo)(bo)(bo)(bo)璃(li)(li)(li)所浸潤(run)，在(zai)(zai)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)上不(bu)(bu)殘(can)留斑點和(he)(he)搔(sao)痕，耐(nai)(nai)熱(re)沖擊(ji)性(xing)強，不(bu)(bu)需要(yao)潤(run)滑(hua)劑，而且(qie)容易(yi)機械(xie)加工，許(xu)多種石墨制品在(zai)(zai)玻(bo)(bo)(bo)(bo)璃(li)(li)(li)工業(ye)上有各種用(yong)途(tu)，可(ke)以用(yong)做石墨車(che)輪(lun)、玻(bo)(bo)(bo)(bo)璃(li)(li)(li)板用(yong)滾道、滑(hua)板、玻(bo)(bo)(bo)(bo)璃(li)(li)(li)纖維的(de)導向器和(he)(he)纏(chan)輻(fu)輪(lun)、玻(bo)(bo)(bo)(bo)璃(li)(li)(li)容器的(de)鑄模材料等(deng)。石墨環供應成都石墨環批發聯系成都格萊法特碳(tan)素(su)制品有限(xian)公司。

玻(bo)(bo)(bo)璃(li)工(gong)(gong)(gong)業(ye)用(yong)炭(tan)(tan)石(shi)(shi)墨(mo)制(zhi)品(pin)(pin)介(jie)紹-普(pu)通玻(bo)(bo)(bo)璃(li)工(gong)(gong)(gong)業(ye)中用(yong)炭(tan)(tan)石(shi)(shi)墨(mo)制(zhi)品(pin)(pin)：炭(tan)(tan)石(shi)(shi)墨(mo)材料可作玻(bo)(bo)(bo)璃(li)生(sheng)產中吹制(zhi)、澆注、壓制(zhi)、拉伸(shen)等成(cheng)型(xing)(xing)工(gong)(gong)(gong)藝的各種工(gong)(gong)(gong)具和模型(xing)(xing)等，如卷軸(zhou)和套(tao)(tao)管、熔融坩堝、襯件、插(cha)件和成(cheng)型(xing)(xing)模等。而且，許多通用(yong)形狀已經標(biao)準化。目前，我國已有一些玻(bo)(bo)(bo)璃(li)制(zhi)造廠家(jia)開始(shi)使用(yong)炭(tan)(tan)石(shi)(shi)墨(mo)材料。特別(bie)是對于在高溫下作業(ye)，又需(xu)要加潤(run)滑(hua)油的部件，用(yong)炭(tan)(tan)石(shi)(shi)墨(mo)制(zhi)品(pin)(pin)代替金(jin)屬(shu)，使用(yong)時不用(yong)加潤(run)滑(hua)油，維護(hu)十分方便，例如，生(sheng)產平板玻(bo)(bo)(bo)璃(li)的平拉輻和轉向(xiang)輻軸(zhou)承、隧道窯(yao)的銅套(tao)(tao)、拉邊機夾輻頭等都可以釆用(yong)炭(tan)(tan)石(shi)(shi)墨(mo)軸(zhou)承。

不(bu)透(tou)(tou)性(xing)(xing)(xing)石(shi)(shi)墨(mo)(mo)是(shi)化工(gong)生產中理想的(de)(de)(de)耐(nai)腐蝕、導(dao)熱性(xing)(xing)(xing)好的(de)(de)(de)材(cai)(cai)(cai)料(liao)(liao)(liao)。它(ta)可(ke)以制(zhi)(zhi)(zhi)作(zuo)熱交換器、反(fan)應槽、吸收塔、氣體(ti)燃燒(shao)塔、鹽酸合成爐、石(shi)(shi)墨(mo)(mo)離心泵(beng)(beng)(beng)、噴射泵(beng)(beng)(beng)以及(ji)各種(zhong)(zhong)管道和(he)(he)接頭。不(bu)透(tou)(tou)性(xing)(xing)(xing)石(shi)(shi)墨(mo)(mo)分(fen)3類，浸漬(zi)類不(bu)透(tou)(tou)性(xing)(xing)(xing)石(shi)(shi)墨(mo)(mo)制(zhi)(zhi)(zhi)品(pin)這(zhe)是(shi)采用對石(shi)(shi)墨(mo)(mo)基體(ti)進(jin)行(xing)浸漬(zi)的(de)(de)(de)方法制(zhi)(zhi)(zhi)得。浸漬(zi)劑不(bu)僅降低(di)了石(shi)(shi)墨(mo)(mo)的(de)(de)(de)氣孔率，還可(ke)以使石(shi)(shi)墨(mo)(mo)材(cai)(cai)(cai)料(liao)(liao)(liao)的(de)(de)(de)抗壓(ya)強(qiang)度(du)(du)(du)提(ti)高1~2.5倍(bei)、抗拉強(qiang)度(du)(du)(du)提(ti)高4~5倍(bei)、抗彎強(qiang)度(du)(du)(du)提(ti)高2~3倍(bei)、抗沖擊(ji)強(qiang)度(du)(du)(du)提(ti)高2~2.5倍(bei)；壓(ya)型不(bu)透(tou)(tou)性(xing)(xing)(xing)石(shi)(shi)墨(mo)(mo)制(zhi)(zhi)(zhi)品(pin)是(shi)一種(zhong)(zhong)用人造石(shi)(shi)墨(mo)(mo)粉與合成樹(shu)脂按一定(ding)(ding)比例混合后，在一定(ding)(ding)壓(ya)力下成型而制(zhi)(zhi)(zhi)得的(de)(de)(de)材(cai)(cai)(cai)料(liao)(liao)(liao)。這(zhe)種(zhong)(zhong)制(zhi)(zhi)(zhi)品(pin)的(de)(de)(de)機(ji)械強(qiang)度(du)(du)(du)比純碳石(shi)(shi)墨(mo)(mo)材(cai)(cai)(cai)料(liao)(liao)(liao)和(he)(he)浸漬(zi)石(shi)(shi)墨(mo)(mo)材(cai)(cai)(cai)料(liao)(liao)(liao)高1~1.3倍(bei)。它(ta)的(de)(de)(de)缺點是(shi)熱導(dao)率為(wei)(wei)浸漬(zi)石(shi)(shi)墨(mo)(mo)材(cai)(cai)(cai)料(liao)(liao)(liao)的(de)(de)(de)1/3，線(xian)膨(peng)脹系(xi)數大。這(zhe)種(zhong)(zhong)材(cai)(cai)(cai)料(liao)(liao)(liao)可(ke)制(zhi)(zhi)(zhi)成管材(cai)(cai)(cai)、板材(cai)(cai)(cai)、三(san)通、泵(beng)(beng)(beng)等(deng)(deng)；澆(jiao)注不(bu)透(tou)(tou)性(xing)(xing)(xing)石(shi)(shi)墨(mo)(mo)制(zhi)(zhi)(zhi)品(pin)是(shi)以熱固(gu)性(xing)(xing)(xing)樹(shu)脂為(wei)(wei)黏(nian)結劑，以石(shi)(shi)墨(mo)(mo)粉為(wei)(wei)填料(liao)(liao)(liao)，加入硬化劑，于常(chang)溫(wen)（或(huo)加熱）常(chang)壓(ya)下澆(jiao)注而成。這(zhe)種(zhong)(zhong)制(zhi)(zhi)(zhi)品(pin)具有良好的(de)(de)(de)化學穩(wen)定(ding)(ding)性(xing)(xing)(xing)、耐(nai)熱性(xing)(xing)(xing)和(he)(he)較(jiao)高抗壓(ya)強(qiang)度(du)(du)(du)。其缺點是(shi)抗沖擊(ji)強(qiang)度(du)(du)(du)低(di)，導(dao)熱性(xing)(xing)(xing)較(jiao)差，脆性(xing)(xing)(xing)大，主要用于制(zhi)(zhi)(zhi)造泵(beng)(beng)(beng)殼、泵(beng)(beng)(beng)葉輪、三(san)通閥、酸洗(xi)槽等(deng)(deng)。成都(dou)石(shi)(shi)墨(mo)(mo)環購買聯系(xi)成都(dou)格萊法特(te)碳素制(zhi)(zhi)(zhi)品(pin)有限公司。

高(gao)密度(du)(du)各(ge)(ge)向同(tong)(tong)性(xing)石(shi)墨(mo)具有(you)(you)機(ji)械(xie)強度(du)(du)高(gao)、各(ge)(ge)向異性(xing)比小、有(you)(you)較寬的(de)(de)(de)(de)晶(jing)體尺寸、而且具有(you)(you)中(zhong)等(deng)的(de)(de)(de)(de)模量和斷裂應力、在(zai)斷裂前能長時間保持高(gao)彈性(xing)應變、抗磨性(xing)能好、開氣孔率低等(deng)特點。高(gao)密度(du)(du)各(ge)(ge)向同(tong)(tong)性(xing)石(shi)墨(mo)材料(liao)(liao)的(de)(de)(de)(de)制(zhi)造工(gong)藝基本上可分為一(yi)元(yuan)(yuan)系(xi)(xi)和二(er)元(yuan)(yuan)系(xi)(xi)兩種(zhong)。一(yi)元(yuan)(yuan)系(xi)(xi)是指(zhi)原(yuan)料(liao)(liao)用單一(yi)的(de)(de)(de)(de)骨料(liao)(liao)，如硬質(zhi)球(qiu)狀瀝(li)青焦(jiao)，瀝(li)青中(zhong)間相球(qiu)體，特殊處理的(de)(de)(de)(de)石(shi)油焦(jiao)。二(er)元(yuan)(yuan)系(xi)(xi)是用細粒骨料(liao)(liao)+黏(nian)結(jie)劑，如菲(fei)焦(jiao)+瀝(li)青黏(nian)結(jie)劑。用二(er)元(yuan)(yuan)系(xi)(xi)法工(gong)業生產的(de)(de)(de)(de)高(gao)密度(du)(du)各(ge)(ge)向同(tong)(tong)性(xing)石(shi)墨(mo)可以用于電火(huo)花加工(gong)、電真空(kong)器件(jian)炭零件(jian)、鑄模、各(ge)(ge)種(zhong)機(ji)械(xie)上的(de)(de)(de)(de)抗磨零件(jian)(如軸襯、活塞環)、核反應堆的(de)(de)(de)(de)減(jian)速和反射材料(liao)(liao)及反應堆中(zhong)各(ge)(ge)種(zhong)耐熱、耐腐蝕零件(jian)等(deng)。四川(chuan)石(shi)墨(mo)制(zhi)品批(pi)發聯(lian)系(xi)(xi)成(cheng)都格(ge)萊法特碳素制(zhi)品有(you)(you)限公司。四川(chuan)石(shi)墨(mo)板怎么買

成都(dou)石墨軸承購買聯系成都(dou)格萊法特碳素制品(pin)有限公(gong)司。成都(dou)碳素制品(pin)供應廠家

石(shi)墨化工藝需(xu)要(yao)確(que)定(ding)合(he)(he)適(shi)的(de)電(dian)(dian)(dian)阻料(liao)：在(zai)確(que)定(ding)電(dian)(dian)(dian)阻料(liao)時，既要(yao)考(kao)(kao)慮設備(bei)性能，也要(yao)考(kao)(kao)慮制(zhi)(zhi)(zhi)品(pin)(pin)的(de)品(pin)(pin)種規(gui)(gui)格和送電(dian)(dian)(dian)曲線，使制(zhi)(zhi)(zhi)品(pin)(pin)的(de)電(dian)(dian)(dian)阻和電(dian)(dian)(dian)阻料(liao)的(de)電(dian)(dian)(dian)阻不(bu)能相差過大(da)(da)。對于(yu)中小(xiao)(xiao)規(gui)(gui)格制(zhi)(zhi)(zhi)品(pin)(pin)，可(ke)以采用冶金(jin)焦(jiao)做電(dian)(dian)(dian)阻料(liao)，即使采用較(jiao)高的(de)開始功(gong)率(lv)和較(jiao)快的(de)上升功(gong)率(lv)，制(zhi)(zhi)(zhi)品(pin)(pin)一般也不(bu)會(hui)產生(sheng)裂紋；對于(yu)大(da)(da)規(gui)(gui)格制(zhi)(zhi)(zhi)品(pin)(pin)，使用混合(he)(he)焦(jiao)或(huo)石(shi)墨化焦(jiao)做電(dian)(dian)(dian)阻料(liao)比(bi)較(jiao)合(he)(he)適(shi)，這樣制(zhi)(zhi)(zhi)品(pin)(pin)與電(dian)(dian)(dian)阻料(liao)的(de)電(dian)(dian)(dian)阻相差較(jiao)小(xiao)(xiao)，制(zhi)(zhi)(zhi)品(pin)(pin)內外的(de)溫差也減小(xiao)(xiao)了，即使采用較(jiao)快的(de)上升功(gong)率(lv)，也不(bu)會(hui)造成制(zhi)(zhi)(zhi)品(pin)(pin)裂紋。成都碳素制(zhi)(zhi)(zhi)品(pin)(pin)供應廠家

本文來自沈(shen)陽喜(xi)納多采(cai)暖(nuan)工程(cheng)有限公司：//txyy.net.cn/Article/22e399975.html