爐(lu)(lu)(lu)門(men)刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)是焦(jiao)爐(lu)(lu)(lu)爐(lu)(lu)(lu)門(men)上的(de)(de)(de)(de)核心部(bu)件，起密(mi)(mi)封(feng)作(zuo)用(yong)。刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)工作(zuo)溫(wen)度在(zai)1000℃以上，且(qie)受交(jiao)變(bian)(bian)(bian)(bian)載(zai)荷，容易(yi)產(chan)(chan)生(sheng)疲(pi)(pi)勞(lao)斷裂(lie)，是焦(jiao)爐(lu)(lu)(lu)爐(lu)(lu)(lu)門(men)部(bu)件中的(de)(de)(de)(de)易(yi)損件之(zhi)一(yi)，其中刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)I部(bu)的(de)(de)(de)(de)疲(pi)(pi)勞(lao)斷裂(lie)是刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)報廢的(de)(de)(de)(de)主(zhu)要原因。因此，刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)使(shi)(shi)用(yong)壽命(ming)的(de)(de)(de)(de)高(gao)(gao)低，將直接(jie)(jie)影(ying)響用(yong)戶的(de)(de)(de)(de)生(sheng)產(chan)(chan)成本(ben)及生(sheng)產(chan)(chan)效率的(de)(de)(de)(de)提高(gao)(gao)。改進前(qian)，刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)與(yu)(yu)爐(lu)(lu)(lu)門(men)本(ben)體(ti)采用(yong)M24螺栓聯(lian)接(jie)(jie)，屬(shu)于(yu)剛性聯(lian)接(jie)(jie)，工作(zuo)狀(zhuang)態(tai)(tai)(tai)下(xia)，為使(shi)(shi)刀(dao)(dao)邊(bian)(bian)(bian)(bian)密(mi)(mi)封(feng)面與(yu)(yu)爐(lu)(lu)(lu)門(men)框密(mi)(mi)封(feng)面壓(ya)(ya)緊(jin)(jin)，彈簧(huang)處(chu)于(yu)壓(ya)(ya)縮狀(zhuang)態(tai)(tai)(tai)，刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)é部(bu)發生(sheng)變(bian)(bian)(bian)(bian)形(xing)。當(dang)準備出焦(jiao)時(shi)摘(zhai)(zhai)下(xia)爐(lu)(lu)(lu)門(men)，彈簧(huang)復(fu)位，使(shi)(shi)得刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)é部(bu)發生(sheng)反(fan)向變(bian)(bian)(bian)(bian)形(xing)。這樣(yang)隨著爐(lu)(lu)(lu)門(men)每(mei)次摘(zhai)(zhai)、裝(zhuang)操作(zuo)，刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)é部(bu)出現交(jiao)變(bian)(bian)(bian)(bian)變(bian)(bian)(bian)(bian)形(xing)，加之(zhi)刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)處(chu)于(yu)高(gao)(gao)溫(wen)狀(zhuang)態(tai)(tai)(tai)下(xia)，容易(yi)造成é部(bu)的(de)(de)(de)(de)疲(pi)(pi)勞(lao)斷裂(lie)，致(zhi)使(shi)(shi)整(zheng)(zheng)個刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)報廢。改進后(hou)，刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)與(yu)(yu)爐(lu)(lu)(lu)門(men)本(ben)體(ti)浮動(dong)聯(lian)接(jie)(jie)，彈簧(huang)壓(ya)(ya)緊(jin)(jin)刀(dao)(dao)邊(bian)(bian)(bian)(bian)，使(shi)(shi)刀(dao)(dao)邊(bian)(bian)(bian)(bian)密(mi)(mi)封(feng)面與(yu)(yu)爐(lu)(lu)(lu)門(men)框密(mi)(mi)封(feng)面壓(ya)(ya)緊(jin)(jin)，起到密(mi)(mi)封(feng)作(zuo)用(yong)，同時(shi)雙頭螺柱在(zai)調整(zheng)(zheng)螺塞內自(zi)由(you)(you)滑動(dong)，使(shi)(shi)腹(fu)(fu)板(ban)(ban)(ban)(ban)處(chu)于(yu)自(zi)由(you)(you)狀(zhuang)態(tai)(tai)(tai)。當(dang)出焦(jiao)需要摘(zhai)(zhai)下(xia)爐(lu)(lu)(lu)門(men)時(shi)，彈簧(huang)復(fu)位，同時(shi)雙頭螺柱隨之(zhi)下(xia)移，使(shi)(shi)刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)仍處(chu)于(yu)自(zi)由(you)(you)狀(zhuang)態(tai)(tai)(tai)。由(you)(you)于(yu)é處(chu)始終處(chu)于(yu)自(zi)由(you)(you)狀(zhuang)態(tai)(tai)(tai)，沒有發生(sheng)交(jiao)變(bian)(bian)(bian)(bian)變(bian)(bian)(bian)(bian)形(xing)，因此，改進后(hou)爐(lu)(lu)(lu)門(men)刀(dao)(dao)邊(bian)(bian)(bian)(bian)腹(fu)(fu)板(ban)(ban)(ban)(ban)的(de)(de)(de)(de)使(shi)(shi)用(yong)壽命(ming)提高(gao)(gao)。
小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)(de)結構(gou)。小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)采用(yong)(yong)敲打式刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)，小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)頂壓(ya)座(zuo)與小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)蓋(gai)采用(yong)(yong)分體制(zhi)作后(hou)組裝到(dao)(dao)一(yi)起，小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)需(xu)與小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)蓋(gai)配(pei)作，即先將組成小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)(de)不銹鋼板(ban)壓(ya)緊(jin)到(dao)(dao)小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)蓋(gai)的(de)(de)(de)(de)四周(zhou)邊(bian)(bian)(bian)(bian)(bian)，再(zai)將四角組焊，因此，小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)(de)互(hu)換性差；使(shi)(shi)用(yong)(yong)過程(cheng)(cheng)中，敲打小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)頂壓(ya)座(zuo)，使(shi)(shi)小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)與爐(lu)(lu)(lu)門(men)(men)(men)上的(de)(de)(de)(de)密(mi)封(feng)(feng)面貼緊(jin)而起到(dao)(dao)密(mi)封(feng)(feng)作用(yong)(yong)，密(mi)封(feng)(feng)性能(neng)較差。改進后(hou)，小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)(de)結構(gou)。小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)頂壓(ya)座(zuo)與小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)蓋(gai)鑄為(wei)一(yi)體，制(zhi)作完成后(hou)再(zai)與小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)蓋(gai)組裝，采用(yong)(yong)彈簧頂壓(ya)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)，因此，小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)(de)互(hu)換性好(hao)；使(shi)(shi)用(yong)(yong)過程(cheng)(cheng)中，小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)靠彈簧的(de)(de)(de)(de)壓(ya)縮力自動與小(xiao)(xiao)(xiao)爐(lu)(lu)(lu)門(men)(men)(men)密(mi)封(feng)(feng)面貼緊(jin)而起到(dao)(dao)密(mi)封(feng)(feng)作用(yong)(yong)，受力均勻，密(mi)封(feng)(feng)效果較好(hao)，刀(dao)(dao)(dao)(dao)邊(bian)(bian)(bian)(bian)(bian)的(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)壽命也較長。
