通電(dian)(dian)運行步驟:1、打(da)開(kai)(kai)氮(dan)化(hua)爐(lu)(lu)(lu)總(zong)控電(dian)(dian)源。2、電(dian)(dian)柜控制面板(ban)上(shang)“手動(dong)(dong)/自(zi)動(dong)(dong)” 旋(xuan)鈕(niu)(niu)(niu)(niu),打(da)到(dao)(dao)(dao)(dao)自(zi)動(dong)(dong)。3、進入控制系(xi)統觸摸屏(ping),點擊(ji)“(一(yi))打(da)弧(hu)參(can)數設定(ding)(ding)”,選擇(ze)開(kai)(kai)保(bao)溫(wen)(wen)段數09,完畢退出。4、點擊(ji)“(二)升(sheng)溫(wen)(wen)保(bao)溫(wen)(wen)參(can)數設定(ding)(ding)”,查(cha)看(kan)參(can)數是(shi)否(fou)(fou)正確,9保(bao)溫(wen)(wen)時(shi)(shi)間300min,點擊(ji)“升(sheng)壓(ya)(ya)(ya)保(bao)壓(ya)(ya)(ya)參(can)數設定(ding)(ding)”,5到(dao)(dao)(dao)(dao)達(da)壓(ya)(ya)(ya)力350Pa。5、進入系(xi)統運行,選擇(ze)確認爐(lu)(lu)(lu)體(ti)(ti), 1號(hao)爐(lu)(lu)(lu)(左),2號(hao)爐(lu)(lu)(lu)(右(you)(you)),若爐(lu)(lu)(lu)體(ti)(ti)不(bu)是(shi)要(yao)工(gong)作爐(lu)(lu)(lu)體(ti)(ti),點擊(ji)“爐(lu)(lu)(lu)體(ti)(ti)切換”,(爐(lu)(lu)(lu)體(ti)(ti)工(gong)作過程(cheng)中一(yi)定(ding)(ding)不(bu)要(yao)按爐(lu)(lu)(lu)體(ti)(ti)切換按鈕(niu)(niu)(niu)(niu))。6、抽真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong):左上(shang)角(jiao)系(xi)統開(kai)(kai)始(shi)按鈕(niu)(niu)(niu)(niu)由紅(hong)色(se)(se)變成綠色(se)(se),真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)1(3),2(4)按鈕(niu)(niu)(niu)(niu)變綠,檢查(cha)兩個真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)是(shi)否(fou)(fou)都啟(qi)(qi)動(dong)(dong)運轉(zhuan),如有(you)不(bu)運轉(zhuan),打(da)開(kai)(kai)電(dian)(dian)控柜右(you)(you)下門,檢查(cha)是(shi)否(fou)(fou)跳閘,確認兩個真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)都已啟(qi)(qi)動(dong)(dong)工(gong)作后,打(da)開(kai)(kai)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)蝶閥(fa)(之前(qian)一(yi)定(ding)(ding)要(yao)關閉否(fou)(fou)則真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)中油(you)會被氣(qi)(qi)壓(ya)(ya)(ya)壓(ya)(ya)(ya)進爐(lu)(lu)(lu)體(ti)(ti)),開(kai)(kai)始(shi)抽真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong),當壓(ya)(ya)(ya)強(qiang)達(da)到(dao)(dao)(dao)(dao)100Pa左右(you)(you)時(shi)(shi),關閉1(3)號(hao)真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)蝶閥(fa),當壓(ya)(ya)(ya)強(qiang)達(da)到(dao)(dao)(dao)(dao)60Pa左右(you)(you)時(shi)(shi),真(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)1(3)自(zi)動(dong)(dong)關閉(綠燈(deng)熄滅),高壓(ya)(ya)(ya)按鈕(niu)(niu)(niu)(niu)自(zi)動(dong)(dong)開(kai)(kai)啟(qi)(qi)。7、黑(hei)色(se)(se)脈沖控制盤上(shang),電(dian)(dian)壓(ya)(ya)(ya)撥(bo)(bo)鈕(niu)(niu)(niu)(niu)打(da)到(dao)(dao)(dao)(dao)左邊(bian)(bian)自(zi)動(dong)(dong)撥(bo)(bo)鈕(niu)(niu)(niu)(niu),占空(kong)(kong)(kong)(kong)(kong)比(bi)(bi)(bi)撥(bo)(bo)鈕(niu)(niu)(niu)(niu)打(da)到(dao)(dao)(dao)(dao)右(you)(you)邊(bian)(bian)自(zi)動(dong)(dong)(自(zi)動(dong)(dong)時(shi)(shi)升(sheng)溫(wen)(wen)時(shi)(shi)間長,根據實際情況(kuang)可調(diao)為(wei)手動(dong)(dong)控制),電(dian)(dian)壓(ya)(ya)(ya)旋(xuan)鈕(niu)(niu)(niu)(niu),占空(kong)(kong)(kong)(kong)(kong)比(bi)(bi)(bi)旋(xuan)鈕(niu)(niu)(niu)(niu)旋(xuan)轉(zhuan)到(dao)(dao)(dao)(dao)右(you)(you)邊(bian)(bian)合適位置(峰值(zhi)電(dian)(dian)流(liu)=100~200 ,電(dian)(dian)流(liu)A≤150),爐(lu)(lu)(lu)體(ti)(ti)開(kai)(kai)始(shi)安全工(gong)作,罐(guan)內(nei)工(gong)件(jian)開(kai)(kai)始(shi)打(da)弧(hu)。8、滅弧(hu)送(song)(song)氨氣(qi)(qi)爐(lu)(lu)(lu)內(nei)溫(wen)(wen)度到(dao)(dao)(dao)(dao)90度,爐(lu)(lu)(lu)罐(guan)內(nei)輝光穩定(ding)(ding)之后(不(bu)閃弧(hu)),開(kai)(kai)氨氣(qi)(qi)罐(guan),黃色(se)(se)換向閥(fa)打(da)到(dao)(dao)(dao)(dao)左邊(bian)(bian)1號(hao)爐(lu)(lu)(lu)(右(you)(you)邊(bian)(bian)為(wei)2號(hao)爐(lu)(lu)(lu)),氨氣(qi)(qi)流(liu)量(liang)不(bu)用(yong)調(diao),控制器會根據爐(lu)(lu)(lu)內(nei)壓(ya)(ya)(ya)強(qiang)自(zi)動(dong)(dong)調(diao)整。9、加送(song)(song)二氧化(hua)碳(tan)氣(qi)(qi)體(ti)(ti)大約(yue)9-10小時(shi)(shi)后升(sheng)溫(wen)(wen)到(dao)(dao)(dao)(dao)500℃時(shi)(shi)占空(kong)(kong)(kong)(kong)(kong)比(bi)(bi)(bi)撥(bo)(bo)鈕(niu)(niu)(niu)(niu)打(da)至自(zi)動(dong)(dong)狀(zhuang)態(tai),然(ran)后繼續升(sheng)溫(wen)(wen)至510℃到(dao)(dao)(dao)(dao)保(bao)溫(wen)(wen)狀(zhuang)態(tai),打(da)開(kai)(kai)二氧化(hua)碳(tan)氣(qi)(qi)閥(fa),設置屏(ping)幕上(shang)2種氣(qi)(qi)體(ti)(ti)流(liu)量(liang)比(bi)(bi)(bi)例(比(bi)(bi)(bi)例約(yue)為(wei)7%)。
給(gei)大(da)家(jia)介紹下多用(yong)(yong)(yong)(yong)爐(lu)(lu)熱(re)處(chu)理(li)(li)的(de)(de)爐(lu)(lu)型選(xuan)(xuan)擇: 1.對(dui)(dui)于不能(neng)成(cheng)批定型生產的(de)(de),工件(jian)(jian)(jian)(jian)大(da)小(xiao)不相等的(de)(de),種類較多的(de)(de),要求工藝上具(ju)有通用(yong)(yong)(yong)(yong)性(xing)、多用(yong)(yong)(yong)(yong)性(xing)的(de)(de),可(ke)(ke)選(xuan)(xuan)用(yong)(yong)(yong)(yong)箱(xiang)式多用(yong)(yong)(yong)(yong)爐(lu)(lu)。2.加熱(re)長軸類及長的(de)(de)絲桿(gan),管(guan)(guan)子(zi)等工件(jian)(jian)(jian)(jian)時(shi),可(ke)(ke)選(xuan)(xuan)用(yong)(yong)(yong)(yong)深井式電爐(lu)(lu)。3.小(xiao)批量(liang)的(de)(de)滲(shen)(shen)碳(tan)零(ling)(ling)件(jian)(jian)(jian)(jian),可(ke)(ke)選(xuan)(xuan)用(yong)(yong)(yong)(yong)井式氣體滲(shen)(shen)碳(tan)爐(lu)(lu)。4.對(dui)(dui)于大(da)批量(liang)的(de)(de)汽(qi)車、拖拉(la)機齒輪(lun)等零(ling)(ling)件(jian)(jian)(jian)(jian)的(de)(de)生產可(ke)(ke)選(xuan)(xuan)連(lian)續式滲(shen)(shen)碳(tan)生產線(xian)或(huo)箱(xiang)式多用(yong)(yong)(yong)(yong)爐(lu)(lu)。5.對(dui)(dui)沖(chong)壓件(jian)(jian)(jian)(jian)板材坯料的(de)(de)加熱(re)大(da)批量(liang)生產時(shi),最好(hao)選(xuan)(xuan)用(yong)(yong)(yong)(yong)滾(gun)動爐(lu)(lu),輥(gun)底(di)爐(lu)(lu)。6.對(dui)(dui)成(cheng)批的(de)(de)定型零(ling)(ling)件(jian)(jian)(jian)(jian),生產上可(ke)(ke)選(xuan)(xuan)用(yong)(yong)(yong)(yong)推(tui)桿(gan)式或(huo)傳送帶式電阻爐(lu)(lu)(推(tui)桿(gan)爐(lu)(lu)或(huo)鑄帶爐(lu)(lu))7.小(xiao)型機械零(ling)(ling)件(jian)(jian)(jian)(jian)如:螺釘,螺母等可(ke)(ke)選(xuan)(xuan)用(yong)(yong)(yong)(yong)振底(di)式爐(lu)(lu)或(huo)網(wang)帶式爐(lu)(lu)。8.鋼球及滾(gun)柱熱(re)處(chu)理(li)(li)可(ke)(ke)選(xuan)(xuan)用(yong)(yong)(yong)(yong)內(nei)螺旋(xuan)的(de)(de)回轉管(guan)(guan)爐(lu)(lu)。9.有色金屬(shu)錠坯在大(da)批量(liang)生產時(shi)可(ke)(ke)用(yong)(yong)(yong)(yong)推(tui)桿(gan)式爐(lu)(lu),而對(dui)(dui)有色金屬(shu)小(xiao)零(ling)(ling)件(jian)(jian)(jian)(jian)及材料可(ke)(ke)用(yong)(yong)(yong)(yong)空氣循環加熱(re)爐(lu)(lu)。
給大家介紹下常用(yong)(yong)熱(re)處理(li)(li)多用(yong)(yong)爐(lu)(lu)(lu)(lu)爐(lu)(lu)(lu)(lu)型(xing)(xing)的選(xuan)擇:1.對(dui)于(yu)不(bu)能成批定型(xing)(xing)生(sheng)產(chan)(chan)的,工(gong)件(jian)大小(xiao)(xiao)不(bu)相等的,種類較多的,要求(qiu)工(gong)藝(yi)上具有(you)通(tong)用(yong)(yong)性(xing)、多用(yong)(yong)性(xing)的,可(ke)(ke)選(xuan)用(yong)(yong)箱(xiang)式(shi)多用(yong)(yong)爐(lu)(lu)(lu)(lu)。2.加熱(re)長軸類及長的絲桿(gan),管(guan)子等工(gong)件(jian)時(shi),可(ke)(ke)選(xuan)用(yong)(yong)深井式(shi)電爐(lu)(lu)(lu)(lu)。3.小(xiao)(xiao)批量(liang)的滲碳零(ling)(ling)(ling)件(jian),可(ke)(ke)選(xuan)用(yong)(yong)井式(shi)氣體滲碳爐(lu)(lu)(lu)(lu)。4.對(dui)于(yu)大批量(liang)的汽車、拖拉機齒輪(lun)等零(ling)(ling)(ling)件(jian)的生(sheng)產(chan)(chan)可(ke)(ke)選(xuan)連續式(shi)滲碳生(sheng)產(chan)(chan)線或(huo)箱(xiang)式(shi)多用(yong)(yong)爐(lu)(lu)(lu)(lu)。5.對(dui)沖壓件(jian)板材坯料的加熱(re)大批量(liang)生(sheng)產(chan)(chan)時(shi),最好(hao)選(xuan)用(yong)(yong)滾(gun)動爐(lu)(lu)(lu)(lu),輥(gun)底爐(lu)(lu)(lu)(lu)。6.對(dui)成批的定型(xing)(xing)零(ling)(ling)(ling)件(jian),生(sheng)產(chan)(chan)上可(ke)(ke)選(xuan)用(yong)(yong)推桿(gan)式(shi)或(huo)傳(chuan)送帶(dai)式(shi)電阻(zu)爐(lu)(lu)(lu)(lu)(推桿(gan)爐(lu)(lu)(lu)(lu)或(huo)鑄帶(dai)爐(lu)(lu)(lu)(lu))7.小(xiao)(xiao)型(xing)(xing)機械(xie)零(ling)(ling)(ling)件(jian)如:螺釘,螺母等可(ke)(ke)選(xuan)用(yong)(yong)振底式(shi)爐(lu)(lu)(lu)(lu)或(huo)網帶(dai)式(shi)爐(lu)(lu)(lu)(lu)。8.鋼球(qiu)及滾(gun)柱(zhu)熱(re)處理(li)(li)可(ke)(ke)選(xuan)用(yong)(yong)內螺旋的回轉管(guan)爐(lu)(lu)(lu)(lu)。9.有(you)色金(jin)屬(shu)錠坯在(zai)大批量(liang)生(sheng)產(chan)(chan)時(shi)可(ke)(ke)用(yong)(yong)推桿(gan)式(shi)爐(lu)(lu)(lu)(lu),而對(dui)有(you)色金(jin)屬(shu)小(xiao)(xiao)零(ling)(ling)(ling)件(jian)及材料可(ke)(ke)用(yong)(yong)空氣循(xun)環加熱(re)爐(lu)(lu)(lu)(lu)。
吹主回保險怎么解決(jue):1.滲(shen)氮(dan)(dan)前的模具必須是先經過正(zheng)火或調(diao)質處理過的工件。2.先用(yong)汽油和酒精(jing)擦洗(xi)工件表面,不(bu)得有銹斑(ban)、油污、臟物存在。3.裝入爐(lu)(lu)內(nei)后(hou),對稱擰緊(jin)爐(lu)(lu)蓋壓(ya)(ya)緊(jin)螺栓。4.將(jiang)爐(lu)(lu)罐(guan)和爐(lu)(lu)蓋進(jin)水(shui)口通(tong)入冷(leng)卻(que)水(shui)進(jin)行循環水(shui)冷(leng)。爐(lu)(lu)蓋上管道冷(leng)卻(que)水(shui)下端為進(jin)水(shui),上端為出(chu)(chu)水(shui),爐(lu)(lu)罐(guan)單獨(du)進(jin)水(shui),單獨(du)排(pai)(pai)水(shui),爐(lu)(lu)蓋所有水(shui)管可(ke)按低進(jin)高出(chu)(chu)原則串聯,由一(yi)(yi)個(ge)口進(jin)水(shui),一(yi)(yi)個(ge)口排(pai)(pai)水(shui)。5.升溫(wen)(wen)前應先送氮(dan)(dan)氣(qi)(qi)排(pai)(pai)氣(qi)(qi),排(pai)(pai)氣(qi)(qi)時流量應比使(shi)用(yong)時大一(yi)(yi)倍(bei)以(yi)上。排(pai)(pai)氣(qi)(qi)10分鐘(zhong)后(hou),將(jiang)控(kong)溫(wen)(wen)儀表設(she)(she)定到150℃,自動加熱開關撥(bo)向(xiang)開,邊(bian)排(pai)(pai)氣(qi)(qi)邊(bian)加熱150℃保持2h排(pai)(pai)氣(qi)(qi),再將(jiang)控(kong)溫(wen)(wen)儀表設(she)(she)定到530℃,把氨(an)(an)(an)氣(qi)(qi)流量調(diao)小,保 持爐(lu)(lu)內(nei)正(zheng)壓(ya)(ya),排(pai)(pai)氣(qi)(qi)口有較小氣(qi)(qi)流向(xiang)上的壓(ya)(ya)力(li)(li),當(dang)爐(lu)(lu)溫(wen)(wen)升到530℃時,恒(heng)溫(wen)(wen)恒(heng)流滲(shen)氮(dan)(dan)3-20h,再將(jiang)氨(an)(an)(an)氣(qi)(qi)壓(ya)(ya)力(li)(li)調(diao)大一(yi)(yi)點,讓排(pai)(pai)氣(qi)(qi)維持適中壓(ya)(ya)力(li)(li),滲(shen)氮(dan)(dan)4-70h, 再將(jiang)氨(an)(an)(an)氣(qi)(qi)壓(ya)(ya)力(li)(li)調(diao)小,退(tui)氮(dan)(dan)1-2h,切斷電(dian)源,停(ting)止加熱,給少量氨(an)(an)(an)氣(qi)(qi),使(shi)爐(lu)(lu)內(nei)維持正(zheng)壓(ya)(ya),待爐(lu)(lu)溫(wen)(wen)降到150℃以(yi)下方可(ke)停(ting)止供氨(an)(an)(an)出(chu)(chu)爐(lu)(lu)。
1)四川井式爐采用中冷連續式滲碳爐進行滲碳、緩冷和再加熱淬火,可以細化材料的晶粒度和顯微組織,并提高材料的彎曲疲勞強度、抗沖擊性能、接觸疲勞性能及耐磨性能。 2)井式爐生產采(cai)用中(zhong)冷(leng)滲(shen)(shen)(shen)碳(tan)(tan)爐(lu)進行(xing)滲(shen)(shen)(shen)碳(tan)(tan)、緩(huan)冷(leng)和(he)(he)再加(jia)(jia)熱(re)淬(cui)(cui)火(huo),不(bu)僅可(ke)以(yi)使20MnVB、20MnTi2B、18CrMnB及20CrMnMo、20Cr等粗晶粒(li)鋼工件進行(xing)大批(pi)量(liang)(liang)滲(shen)(shen)(shen)碳(tan)(tan)淬(cui)(cui)火(huo),簡化熱(re)處(chu)理工藝(yi),提高熱(re)處(chu)理生產(chan)效率,降低(di)成本,而且還可(ke)以(yi)使工件獲得合(he)格的(de)與比較細(xi)小的(de)晶粒(li)度和(he)(he)顯微組(zu)織。 3)對于Cr-Ni、Cr-Ni-Mo等含(han)Ni材(cai)料,尤其是含(han)Ni量(liang)(liang)較高的(de)材(cai)料,通過中(zhong)冷(leng)滲(shen)(shen)(shen)碳(tan)(tan)爐(lu)進行(xing)滲(shen)(shen)(shen)碳(tan)(tan)、緩(huan)冷(leng)和(he)(he)再加(jia)(jia)熱(re)淬(cui)(cui)火(huo),并采(cai)用較低(di)碳(tan)(tan)勢、適當溫度和(he)(he)較長周期的(de)滲(shen)(shen)(shen)碳(tan)(tan)淬(cui)(cui)火(huo)工藝(yi),降低(di)了殘留奧氏體(ti)量(liang)(liang),使工件的(de)金相組(zu)織達(da)到了產(chan)品的(de)技術要求,因此可(ke)以(yi)實現部(bu)分含(han)Ni較高工件的(de)大批(pi)量(liang)(liang)滲(shen)(shen)(shen)碳(tan)(tan)直接(jie)淬(cui)(cui)火(huo)
的(de)結構(gou)組(zu)成特點:井(jing)式(shi)加(jia)(jia)熱(re)(re)(re)爐(lu)(lu)(lu)(lu)爐(lu)(lu)(lu)(lu)殼由型(xing)鋼及優(you)質(zhi)鋼板組(zu)焊而成,井(jing)式(shi)加(jia)(jia)熱(re)(re)(re)爐(lu)(lu)(lu)(lu)可(ke)實現爐(lu)(lu)(lu)(lu)蓋和爐(lu)(lu)(lu)(lu)體之間(jian)的(de)密封(feng),并(bing)在(zai)爐(lu)(lu)(lu)(lu)殼上部設(she)置排(pai)煙裝置。井(jing)式(shi)加(jia)(jia)熱(re)(re)(re)爐(lu)(lu)(lu)(lu)爐(lu)(lu)(lu)(lu)底襯(chen)由輕質(zhi)粘(zhan)(zhan)土(tu)磚(zhuan)(zhuan)(zhuan)和重質(zhi)抗滲碳(tan)砌筑而成,爐(lu)(lu)(lu)(lu)墻襯(chen)為復(fu)合爐(lu)(lu)(lu)(lu)襯(chen)結構(gou),耐火層采用(yong)(yong)輕質(zhi)粘(zhan)(zhan)土(tu)磚(zhuan)(zhuan)(zhuan),保溫層用(yong)(yong)陶(tao)瓷纖維棉或粘(zhan)(zhan)土(tu)磚(zhuan)(zhuan)(zhuan),各層經過優(you)化設(she)計(ji)。在(zai)耐火層內(nei)預制(zhi)(zhi)了(le)不銹鋼掛(gua)鉤(gou),用(yong)(yong)于電阻絲帶(dai)的(de)安裝。井(jing)式(shi)加(jia)(jia)熱(re)(re)(re)爐(lu)(lu)(lu)(lu)加(jia)(jia)熱(re)(re)(re)裝置均(jun)勻布(bu)置在(zai)爐(lu)(lu)(lu)(lu)襯(chen)墻體的(de)周圍,該井(jing)式(shi)加(jia)(jia)熱(re)(re)(re)爐(lu)(lu)(lu)(lu)由高(gao)溫電熱(re)(re)(re)合金帶(dai)繞制(zhi)(zhi)成波紋狀(zhuang),分布(bu)在(zai)各個(ge)加(jia)(jia)熱(re)(re)(re)區(qu)內(nei),安裝方(fang)式(shi)確(que)保加(jia)(jia)熱(re)(re)(re)均(jun)勻性(xing)和使用(yong)(yong)壽命以及高(gao)的(de)可(ke)靠性(xing),安裝、維修(xiu)方(fang)便。井(jing)式(shi)加(jia)(jia)熱(re)(re)(re)爐(lu)(lu)(lu)(lu)每一個(ge)加(jia)(jia)熱(re)(re)(re)區(qu)都(dou)設(she)有測溫和超溫報(bao)警熱(re)(re)(re)偶(ou)。每一區(qu)的(de)每一組(zu)加(jia)(jia)熱(re)(re)(re)元件為同(tong)參數(shu)同(tong)結構(gou)。