給大(da)(da)家介(jie)紹(shao)下多(duo)(duo)用(yong)(yong)爐(lu)(lu)(lu)(lu)熱處理(li)的爐(lu)(lu)(lu)(lu)型(xing)(xing)(xing)選(xuan)(xuan)(xuan)擇(ze)： 1．對(dui)于(yu)不(bu)能成批(pi)定(ding)型(xing)(xing)(xing)生產的，工(gong)件(jian)(jian)大(da)(da)小不(bu)相等的，種類較(jiao)多(duo)(duo)的，要求工(gong)藝上(shang)具有通用(yong)(yong)性、多(duo)(duo)用(yong)(yong)性的，可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)(yong)箱式(shi)(shi)多(duo)(duo)用(yong)(yong)爐(lu)(lu)(lu)(lu)。2．加(jia)熱長(chang)軸類及長(chang)的絲(si)桿，管(guan)子等工(gong)件(jian)(jian)時(shi)，可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)(yong)深井(jing)式(shi)(shi)電(dian)爐(lu)(lu)(lu)(lu)。3．小批(pi)量的滲碳零件(jian)(jian)，可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)(yong)井(jing)式(shi)(shi)氣體滲碳爐(lu)(lu)(lu)(lu)。4．對(dui)于(yu)大(da)(da)批(pi)量的汽(qi)車、拖拉機齒輪等零件(jian)(jian)的生產可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)連續式(shi)(shi)滲碳生產線或箱式(shi)(shi)多(duo)(duo)用(yong)(yong)爐(lu)(lu)(lu)(lu)。5．對(dui)沖壓件(jian)(jian)板材坯(pi)料的加(jia)熱大(da)(da)批(pi)量生產時(shi)，最好選(xuan)(xuan)(xuan)用(yong)(yong)滾動爐(lu)(lu)(lu)(lu)，輥底爐(lu)(lu)(lu)(lu)。6．對(dui)成批(pi)的定(ding)型(xing)(xing)(xing)零件(jian)(jian)，生產上(shang)可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)(yong)推(tui)桿式(shi)(shi)或傳(chuan)送(song)帶(dai)式(shi)(shi)電(dian)阻(zu)爐(lu)(lu)(lu)(lu)（推(tui)桿爐(lu)(lu)(lu)(lu)或鑄帶(dai)爐(lu)(lu)(lu)(lu)）7．小型(xing)(xing)(xing)機械零件(jian)(jian)如：螺(luo)釘(ding)，螺(luo)母等可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)(yong)振(zhen)底式(shi)(shi)爐(lu)(lu)(lu)(lu)或網帶(dai)式(shi)(shi)爐(lu)(lu)(lu)(lu)。8．鋼球(qiu)及滾柱熱處理(li)可(ke)(ke)(ke)(ke)選(xuan)(xuan)(xuan)用(yong)(yong)內螺(luo)旋的回轉管(guan)爐(lu)(lu)(lu)(lu)。9．有色金屬(shu)錠坯(pi)在大(da)(da)批(pi)量生產時(shi)可(ke)(ke)(ke)(ke)用(yong)(yong)推(tui)桿式(shi)(shi)爐(lu)(lu)(lu)(lu)，而對(dui)有色金屬(shu)小零件(jian)(jian)及材料可(ke)(ke)(ke)(ke)用(yong)(yong)空氣循環(huan)加(jia)熱爐(lu)(lu)(lu)(lu)。

給大家介紹下(xia)(xia)多用(yong)(yong)(yong)(yong)(yong)(yong)爐(lu)(lu)氮(dan)(dan)(dan)氣(qi)(qi)純度(du)要求(qiu)：1.本箱式可(ke)(ke)控(kong)(kong)(kong)氣(qi)(qi)氛(fen)多用(yong)(yong)(yong)(yong)(yong)(yong)爐(lu)(lu)生產(chan)(chan)線主要用(yong)(yong)(yong)(yong)(yong)(yong)于工(gong)(gong)(gong)件(jian)(jian)在可(ke)(ke)控(kong)(kong)(kong)氣(qi)(qi)氛(fen)下(xia)(xia)的(de)氣(qi)(qi)體滲(shen)(shen)碳(tan)(tan)、碳(tan)(tan)氮(dan)(dan)(dan)共滲(shen)(shen)、滲(shen)(shen)碳(tan)(tan)后(hou)再次加熱淬火以(yi)及(ji)在保(bao)(bao)護氣(qi)(qi)氛(fen)下(xia)(xia)的(de)淬火、回火。該(gai)設(she)備的(de)操作(zuo)(zuo)必須(xu)安全(quan)可(ke)(ke)靠(kao)，直接簡捷(jie)，采用(yong)(yong)(yong)(yong)(yong)(yong)計(ji)算機全(quan)過程自(zi)動控(kong)(kong)(kong)制，工(gong)(gong)(gong)藝(yi)(yi)穩定性好，在停電或其它(ta)意外情況下(xia)(xia)，能夠實現(xian)自(zi)動充氮(dan)(dan)(dan)，并可(ke)(ke)通(tong)過手動操作(zuo)(zuo)完成(cheng)后(hou)續工(gong)(gong)(gong)序(xu)，以(yi)確(que)保(bao)(bao)安全(quan)操作(zuo)(zuo)和產(chan)(chan)品質(zhi)量。2.帶(dai)保(bao)(bao)護氣(qi)(qi)氛(fen)的(de)回火爐(lu)(lu)用(yong)(yong)(yong)(yong)(yong)(yong)于工(gong)(gong)(gong)件(jian)(jian)的(de)回火及(ji)時效退火（用(yong)(yong)(yong)(yong)(yong)(yong)于高(gao)低(di)溫(wen)不同溫(wen)度(du)段時加熱功率(lv)應(ying)可(ke)(ke)調，帶(dai)有保(bao)(bao)護氣(qi)(qi)氛(fen)功能）。3.用(yong)(yong)(yong)(yong)(yong)(yong)于滲(shen)(shen)碳(tan)(tan)、碳(tan)(tan)氮(dan)(dan)(dan)共滲(shen)(shen)前及(ji)滲(shen)(shen)碳(tan)(tan)、碳(tan)(tan)氮(dan)(dan)(dan)共滲(shen)(shen)淬火后(hou)工(gong)(gong)(gong)件(jian)(jian)的(de)清(qing)(qing)洗、烘干(gan)。工(gong)(gong)(gong)件(jian)(jian)清(qing)(qing)洗、烘干(gan)后(hou)的(de)清(qing)(qing)潔度(du)達到滲(shen)(shen)碳(tan)(tan)、碳(tan)(tan)氮(dan)(dan)(dan)共滲(shen)(shen)要求(qiu)的(de)標準，且(qie)工(gong)(gong)(gong)件(jian)(jian)無腐蝕、對下(xia)(xia)道工(gong)(gong)(gong)序(xu)熱處理質(zhi)量無影響(xiang)。4.裝(zhuang)卸(xie)(xie)料(liao)(liao)車用(yong)(yong)(yong)(yong)(yong)(yong)于箱式可(ke)(ke)控(kong)(kong)(kong)氣(qi)(qi)氛(fen)多用(yong)(yong)(yong)(yong)(yong)(yong)爐(lu)(lu)、回火爐(lu)(lu)、清(qing)(qing)洗機的(de)裝(zhuang)卸(xie)(xie)料(liao)(liao)及(ji)生產(chan)(chan)線各(ge)工(gong)(gong)(gong)序(xu)之(zhi)間工(gong)(gong)(gong)件(jian)(jian)的(de)傳送。能夠準確(que)按規定位(wei)置完成(cheng)上(shang)(shang)述設(she)備工(gong)(gong)(gong)作(zuo)(zuo)室的(de)裝(zhuang)卸(xie)(xie)料(liao)(liao)。該(gai)生產(chan)(chan)線的(de)所有設(she)備必須(xu)是全(quan)新設(she)備（包括所有零部件(jian)(jian)、元器件(jian)(jian)和附件(jian)(jian)）。由(you)不低(di)于國家標準的(de)先(xian)進(jin)可(ke)(ke)靠(kao)的(de)材料(liao)(liao)、生產(chan)(chan)工(gong)(gong)(gong)藝(yi)(yi)及(ji)規范(fan)制造而(er)成(cheng)；投標方投標的(de)同類設(she)備應(ying)具有在國內(nei)煤礦機械行業或同類行業二年以(yi)上(shang)(shang)的(de)使用(yong)(yong)(yong)(yong)(yong)(yong)經(jing)驗。

吹主回保險怎么解決：1.滲(shen)氮(dan)前(qian)的模具必須是先(xian)(xian)經過正(zheng)火或調(diao)(diao)質處理過的工(gong)件。2.先(xian)(xian)用(yong)(yong)汽油和酒精擦洗工(gong)件表面，不得有銹斑、油污、臟物存在(zai)。3.裝入爐(lu)內(nei)后，對稱擰緊爐(lu)蓋壓(ya)緊螺栓。4.將(jiang)爐(lu)罐和爐(lu)蓋進水(shui)口(kou)通(tong)入冷卻水(shui)進行循環(huan)水(shui)冷。爐(lu)蓋上(shang)(shang)管(guan)道冷卻水(shui)下端(duan)(duan)為(wei)進水(shui)，上(shang)(shang)端(duan)(duan)為(wei)出水(shui)，爐(lu)罐單獨(du)(du)進水(shui)，單獨(du)(du)排(pai)(pai)水(shui)，爐(lu)蓋所有水(shui)管(guan)可(ke)按低進高出原則串聯，由一個(ge)(ge)口(kou)進水(shui)，一個(ge)(ge)口(kou)排(pai)(pai)水(shui)。5.升溫(wen)前(qian)應(ying)(ying)先(xian)(xian)送氮(dan)氣(qi)(qi)(qi)(qi)(qi)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)，排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)時流(liu)量應(ying)(ying)比使用(yong)(yong)時大一倍以(yi)(yi)上(shang)(shang)。排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)10分鐘后，將(jiang)控(kong)溫(wen)儀表設定到(dao)150℃，自(zi)動(dong)加熱開關撥向(xiang)開，邊(bian)排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)邊(bian)加熱150℃保持(chi)2h排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)，再將(jiang)控(kong)溫(wen)儀表設定到(dao)530℃，把氨氣(qi)(qi)(qi)(qi)(qi)流(liu)量調(diao)(diao)小，保 持(chi)爐(lu)內(nei)正(zheng)壓(ya)，排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)口(kou)有較(jiao)小氣(qi)(qi)(qi)(qi)(qi)流(liu)向(xiang)上(shang)(shang)的壓(ya)力(li)(li)，當爐(lu)溫(wen)升到(dao)530℃時，恒(heng)溫(wen)恒(heng)流(liu)滲(shen)氮(dan)3-20h，再將(jiang)氨氣(qi)(qi)(qi)(qi)(qi)壓(ya)力(li)(li)調(diao)(diao)大一點(dian)，讓排(pai)(pai)氣(qi)(qi)(qi)(qi)(qi)維持(chi)適中(zhong)壓(ya)力(li)(li)，滲(shen)氮(dan)4-70h， 再將(jiang)氨氣(qi)(qi)(qi)(qi)(qi)壓(ya)力(li)(li)調(diao)(diao)小，退氮(dan)1-2h，切斷電(dian)源，停止加熱，給(gei)少量氨氣(qi)(qi)(qi)(qi)(qi)，使爐(lu)內(nei)維持(chi)正(zheng)壓(ya)，待爐(lu)溫(wen)降到(dao)150℃以(yi)(yi)下方可(ke)停止供氨出爐(lu)。

鹽城井式爐主要用于碳鋼、鑄鐵、粉未冶金等材料的軟氮化處理。專業井式爐的結構簡介： 氮化(hua)爐(lu)(lu)(lu)(lu)(lu)(lu)由(you)爐(lu)(lu)(lu)(lu)(lu)(lu)體、氣控(kong)(kong)柜和電(dian)控(kong)(kong)三部門組成。爐(lu)(lu)(lu)(lu)(lu)(lu)體部門主要由(you)包(bao)括(kuo)爐(lu)(lu)(lu)(lu)(lu)(lu)殼(ke)、爐(lu)(lu)(lu)(lu)(lu)(lu)襯采用(yong)節能型(xing)超輕質(zhi)耐火(huo)磚、硅鋼鋁纖維與(yu)優質(zhi)保溫材料組成復合爐(lu)(lu)(lu)(lu)(lu)(lu)襯，爐(lu)(lu)(lu)(lu)(lu)(lu)罐(guan)用(yong)高強度耐熱(re)(re)板焊接(jie)(jie)而成；爐(lu)(lu)(lu)(lu)(lu)(lu)蓋上設(she)有強力(li)攪拌風機，各氣管道接(jie)(jie)口(kou)均采用(yong)快(kuai)速(su)轉換接(jie)(jie)頭連接(jie)(jie)使用(yong)利便(bian)快(kuai)捷。排氣管上設(she)有一燃燒(shao)廢氣裝置(zhi)和旁接(jie)(jie)u形壓力(li)計(ji)接(jie)(jie)口(kou)；爐(lu)(lu)(lu)(lu)(lu)(lu)蓋上還設(she)有一熱(re)(re)電(dian)偶，用(yong)以檢測罐(guan)內(nei)的溫度。爐(lu)(lu)(lu)(lu)(lu)(lu)蓋的超吊靠車間行車進行氣控(kong)(kong)柜內(nei)設(she)置(zhi)有各種流量(liang)計(ji)、氣控(kong)(kong)閥、干燥罐(guan)等元件。電(dian)控(kong)(kong)部門主要包(bao)括(kuo)溫控(kong)(kong)、操縱及氣控(kong)(kong)三部門。

1)采用(yong)中冷(leng)連續式滲(shen)(shen)(shen)(shen)碳(tan)爐(lu)進(jin)行(xing)(xing)滲(shen)(shen)(shen)(shen)碳(tan)、緩(huan)冷(leng)和再加(jia)熱(re)淬(cui)(cui)火(huo)(huo)，可(ke)以(yi)細化(hua)材料的(de)晶(jing)粒(li)度和顯(xian)(xian)微組織(zhi)(zhi)，并提(ti)高(gao)(gao)材料的(de)彎曲疲勞強(qiang)度、抗沖擊性能、接觸疲勞性能及耐(nai)磨性能。 2)采用(yong)中冷(leng)滲(shen)(shen)(shen)(shen)碳(tan)爐(lu)進(jin)行(xing)(xing)滲(shen)(shen)(shen)(shen)碳(tan)、緩(huan)冷(leng)和再加(jia)熱(re)淬(cui)(cui)火(huo)(huo)，不僅可(ke)以(yi)使(shi)(shi)20MnVB、20MnTi2B、18CrMnB及20CrMnMo、20Cr等粗晶(jing)粒(li)鋼工件進(jin)行(xing)(xing)大(da)批(pi)(pi)量滲(shen)(shen)(shen)(shen)碳(tan)淬(cui)(cui)火(huo)(huo)，簡(jian)化(hua)熱(re)處理工藝，提(ti)高(gao)(gao)熱(re)處理生(sheng)產效率，降低成(cheng)本，而且還可(ke)以(yi)使(shi)(shi)工件獲(huo)得合(he)格(ge)的(de)與比(bi)較(jiao)細小的(de)晶(jing)粒(li)度和顯(xian)(xian)微組織(zhi)(zhi)。 3)對于Cr-Ni、Cr-Ni-Mo等含(han)Ni材料，尤其是含(han)Ni量較(jiao)高(gao)(gao)的(de)材料，通過中冷(leng)滲(shen)(shen)(shen)(shen)碳(tan)爐(lu)進(jin)行(xing)(xing)滲(shen)(shen)(shen)(shen)碳(tan)、緩(huan)冷(leng)和再加(jia)熱(re)淬(cui)(cui)火(huo)(huo)，并采用(yong)較(jiao)低碳(tan)勢、適當(dang)溫(wen)度和較(jiao)長周期的(de)滲(shen)(shen)(shen)(shen)碳(tan)淬(cui)(cui)火(huo)(huo)工藝，降低了殘留奧氏體量，使(shi)(shi)工件的(de)金相組織(zhi)(zhi)達(da)到了產品的(de)技術要求，因此可(ke)以(yi)實現(xian)部分含(han)Ni較(jiao)高(gao)(gao)工件的(de)大(da)批(pi)(pi)量滲(shen)(shen)(shen)(shen)碳(tan)直(zhi)接淬(cui)(cui)火(huo)(huo)

這(zhe)個設備了解多(duo)少呢？ 是(shi)一(yi)種能(neng)夠在真空(kong)(kong)的狀(zhuang)態下進行滲(shen)(shen)(shen)(shen)透處理(li)的一(yi)種裝置(zhi)，它在汽(qi)車的生產制(zhi)(zhi)作領域(yu)應用(yong)的比較廣泛，因(yin)為有(you)了真空(kong)(kong)滲(shen)(shen)(shen)(shen)碳爐(lu)之后(hou)就能(neng)夠提高我(wo)們的工作效率(lv)，那么對于真空(kong)(kong)滲(shen)(shen)(shen)(shen)碳爐(lu)來說，它有(you)什么優點呢？我(wo)們現在就一(yi)起來了解一(yi)下吧。1.克(ke)服傳統(tong)氣(qi)氛熱滲(shen)(shen)(shen)(shen)碳無(wu)法解決的盲孔(kong)滲(shen)(shen)(shen)(shen)碳問(wen)題。2.避免內氧化(hua)問(wen)題 。3 真空(kong)(kong)滲(shen)(shen)(shen)(shen)碳的工藝(yi)溫度(du)達1700攝氏度(du)。4 縮短工藝(yi)時間(jian)。5.真空(kong)(kong)滲(shen)(shen)(shen)(shen)碳技術與高壓氣(qi)冷淬(cui)火(huo)結(jie)(jie)合后(hou)減小(xiao)畸變。6.提升微觀(guan)結(jie)(jie)構性(xing)質、部件(jian)硬度(du)等(deng)方面效果。 7. 解決滲(shen)(shen)(shen)(shen)碳過(guo)(guo)程(cheng)中(zhong)工件(jian)表面的晶間(jian)氧化(hua)、合金元素(su)貧化(hua)等(deng)問(wen)題。8. 真空(kong)(kong)滲(shen)(shen)(shen)(shen)碳與氣(qi)體(ti)淬(cui)火(huo)相(xiang)結(jie)(jie)合，通(tong)過(guo)(guo)對淬(cui)火(huo)過(guo)(guo)程(cheng)中(zhong)冷卻(que)速度(du)的控制(zhi)(zhi)，提升產品(pin)處理(li)質量。9. 真空(kong)(kong)滲(shen)(shen)(shen)(shen)碳的廢氣(qi)排放量小(xiao)，能(neng)耗低(di)。