作者(zhe):中輝電器 來源:www.shenzhentuliao.cn 發布(bu)時間:2019/4/30 11:56:04
電(dian)(dian)磁(ci)(ci)加熱(re)器,是現今工(gong)業域和民(min)用(yong)設備中(zhong)(zhong)廣泛的(de)(de)種加熱(re)方式,采用(yong)電(dian)(dian)磁(ci)(ci)加熱(re)技(ji)術,電(dian)(dian)磁(ci)(ci)感應(ying)加熱(re)技(ji)術簡稱為(wei) IH(Induction Heating)技(ji)術,是在(zai)法拉第感應(ying)定律(lv)的(de)(de)基礎上發展(zhan)起(qi)來的(de)(de),是法拉第感應(ying)定律(lv)的(de)(de)種應(ying)用(yong)形式。其(qi)本質就(jiu)是利用(yong)電(dian)(dian)磁(ci)(ci)感應(ying)在(zai)柱(zhu)體內產生渦流來給加熱(re)工(gong)件(jian)的(de)(de)電(dian)(dian)加熱(re),它(ta)是把電(dian)(dian)能(neng)(neng)轉換為(wei)電(dian)(dian)磁(ci)(ci)能(neng)(neng),再由電(dian)(dian)磁(ci)(ci)能(neng)(neng)轉換為(wei)電(dian)(dian)能(neng)(neng),電(dian)(dian)能(neng)(neng)在(zai)金(jin)屬內部(bu)轉變為(wei)熱(re)能(neng)(neng),達到加熱(re)金(jin)屬的(de)(de)目的(de)(de),從而杜了明火在(zai)加熱(re)過(guo)程(cheng)中(zhong)(zhong)的(de)(de)危害(hai)和干(gan)擾(rao),是種環保,提(ti)倡(chang)的(de)(de)加熱(re)方案。
電磁加熱器的六大使用技巧:
1、在使用過(guo)程中,不要輕易拆除電(dian)磁加熱(re)器的接地(di)導線,因為接地(di)措(cuo)施(shi)(shi)是防止觸電(dian)的后道(dao)保護措(cuo)施(shi)(shi)。
2、要(yao)定(ding)期(qi)清理散(san)熱(re)器,保證電磁加熱(re)器通(tong)風良(liang)好。
3、在使(shi)用電磁加(jia)熱(re)器(qi)時,應(ying)先(xian)按(an)說(shuo)明(ming)書繞(rao)好線圈并檢查無誤后再(zai)接通電源(yuan)。
4、在(zai)保(bao)養清洗電(dian)磁加(jia)(jia)熱(re)(re)器前切(qie)斷電(dian)磁加(jia)(jia)熱(re)(re)器的電(dian)源。清潔(jie)電(dian)磁感應(ying)加(jia)(jia)熱(re)(re)器的外殼時,應(ying)用(yong)干凈的抹布進行(xing)擦(ca)拭,嚴禁用(yong)噴射水流沖洗外殼及電(dian)器箱部分。
5、不要將電磁(ci)加熱器安裝在潮濕的環(huan)境中,防止水蒸(zheng)汽進入電箱后,易在緣介質表(biao)面(mian)凝結,降低其緣性(xing)能(neng),造成漏電事故。
6、要經(jing)常檢(jian)查電磁加熱器(qi)的(de)進風(feng)口及(ji)散(san)熱風(feng)扇,防止進風(feng)口處堵塞或散(san)熱風(feng)扇卡死,避(bi)免(mian)因過熱停機保護(hu)。
電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)高(gao)能(neng)加(jia)(jia)(jia)熱(re)(re)(re)(re)到(dao)多(duo)少(shao)度?這個問題很多(duo)朋友都問過我(wo),那(nei)么用電(dian)(dian)磁(ci)(ci)感應加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)能(neng)達(da)到(dao)多(duo)少(shao)度呢?”這取決于受熱(re)(re)(re)(re)物(wu)體的(de)(de)(de)材料。對于鐵(tie)(tie)的(de)(de)(de)加(jia)(jia)(jia)熱(re)(re)(re)(re)體,電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)可(ke)以(yi)加(jia)(jia)(jia)熱(re)(re)(re)(re)到(dao)500到(dao)600度以(yi)上(shang)。如(ru)果(guo)功率不明顯,功率小可(ke)以(yi)加(jia)(jia)(jia)熱(re)(re)(re)(re)到(dao)500度以(yi)上(shang),但(dan)功率大(da)(da)時加(jia)(jia)(jia)熱(re)(re)(re)(re)速(su)度快,小功率時加(jia)(jia)(jia)熱(re)(re)(re)(re)速(su)度慢。如(ru)果(guo)它(ta)是(shi)(shi)臺(tai)大(da)(da)機(ji)器(qi)(qi)(qi),它(ta)配(pei)備了大(da)(da)功率的(de)(de)(de)電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi),如(ru)果(guo)它(ta)是(shi)(shi)臺(tai)小型的(de)(de)(de)機(ji)器(qi)(qi)(qi),它(ta)就配(pei)備了低功率的(de)(de)(de)電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)。因為(wei)加(jia)(jia)(jia)熱(re)(re)(re)(re)的(de)(de)(de)速(su)度直接影(ying)響到(dao)生產的(de)(de)(de)過程(cheng)和速(su)度,所以(yi)般情況下好(hao)有(you)更(geng)(geng)(geng)高(gao)的(de)(de)(de)功率,這樣加(jia)(jia)(jia)熱(re)(re)(re)(re)的(de)(de)(de)速(su)度就會更(geng)(geng)(geng)快。為(wei)什(shen)么鐵(tie)(tie)不能(neng)加(jia)(jia)(jia)熱(re)(re)(re)(re)到(dao)600度呢?這是(shi)(shi)因為(wei)鐵(tie)(tie)達(da)到(dao)600度時達(da)到(dao)居里點,這是(shi)(shi)退磁(ci)(ci),當鐵(tie)(tie)丟失時,如(ru)果(guo)主機(ji)沒有(you)保護電(dian)(dian)路(lu),那(nei)是(shi)(shi)危險(xian)的(de)(de)(de)。如(ru)果(guo)加(jia)(jia)(jia)熱(re)(re)(re)(re)的(de)(de)(de)物(wu)體是(shi)(shi)石墨鋼罐,高(gao)溫(wen)度可(ke)以(yi)加(jia)(jia)(jia)熱(re)(re)(re)(re)到(dao)1000度以(yi)上(shang)。在同(tong)功率下,哪種電(dian)(dian)磁(ci)(ci)式(shi)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)和傳統(tong)的(de)(de)(de)電(dian)(dian)阻(zu)式(shi)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)更(geng)(geng)(geng)快?這對電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)來說更(geng)(geng)(geng)快,因為(wei)傳統(tong)的(de)(de)(de)電(dian)(dian)阻(zu)式(shi)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)通常只有(you)大(da)(da)約(yue)60%的(de)(de)(de)熱(re)(re)(re)(re)效(xiao)率,而電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)熱(re)(re)(re)(re)效(xiao)率利(li)用率超過90%。加(jia)(jia)(jia)熱(re)(re)(re)(re)速(su)度自(zi)然是(shi)(shi)電(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)速(su)度更(geng)(geng)(geng)快。
電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)器(qi)的(de)溫(wen)(wen)(wen)(wen)度調(diao)節不(bu)準是(shi)(shi)怎么(me)回事? 電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)器(qi)系統包括電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)控(kong)(kong)(kong)制(zhi)器(qi)和電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)圈這兩(liang)部分,每個行業(ye)中(zhong)對(dui)于(yu)溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)的(de)要求(qiu)都不(bu)樣(yang),下面就來(lai)介紹電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)器(qi)如何達到精確(que)是(shi)(shi)溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)效果?塑(su)料(liao)行業(ye)中(zhong)加(jia)(jia)(jia)(jia)(jia)熱(re)器(qi),重要指(zhi)標就是(shi)(shi)保證機(ji)器(qi)各(ge)溫(wen)(wen)(wen)(wen)區的(de)溫(wen)(wen)(wen)(wen)度精確(que)性,各(ge)種(zhong)塑(su)料(liao)原(yuan)料(liao)對(dui)于(yu)溫(wen)(wen)(wen)(wen)度的(de)敏感性雖然不(bu)樣(yang),但(dan)在生產(chan)過程中(zhong)對(dui)于(yu)溫(wen)(wen)(wen)(wen)度精確(que)性的(de)要求(qiu)都比(bi)較高,很多塑(su)料(liao)產(chan)品要求(qiu)溫(wen)(wen)(wen)(wen)度不(bu)能(neng)超過±5℃,因此,很多種(zhong)類的(de)塑(su)料(liao)機(ji)有采用(yong)風冷或(huo)水冷進行降(jiang)溫(wen)(wen)(wen)(wen)控(kong)(kong)(kong)制(zhi),否(fou)則,加(jia)(jia)(jia)(jia)(jia)工出(chu)來(lai)的(de)東(dong)西可(ke)能(neng)不(bu)是(shi)(shi)廢品就是(shi)(shi)次品。電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)器(qi)利用(yong)電磁(ci)加(jia)(jia)(jia)(jia)(jia)熱(re)控(kong)(kong)(kong)制(zhi)板,再配以必(bi)要的(de)風冷、水冷裝置,溫(wen)(wen)(wen)(wen)度控(kong)(kong)(kong)制(zhi)可(ke)以精確(que)到±1℃。當然同時也要對(dui)塑(su)料(liao)機(ji)性能(neng)及塑(su)料(liao)原(yuan)料(liao)有全面了(le)解及進行必(bi)要合理配置。這樣(yang)可(ke)以降(jiang)低企業(ye)損耗、提高企業(ye)效益。產(chan)品性能(neng)穩定、節能(neng)、環保,產(chan)出(chu)的(de)顆(ke)粒(li)品質好。
選擇水(shui)(shui)冷(leng)電磁(ci)加熱(re)器需要注意:較是(shi)用(yong)(yong)(yong)自來水(shui)(shui),或(huo)運(yun)用(yong)(yong)(yong)井水(shui)(shui)。但(dan)不(bu)能是(shi)用(yong)(yong)(yong)河水(shui)(shui),由于(yu)河水(shui)(shui)會有(you)些草或(huo)砂粒,如果是(shi)把草或(huo)砂粒吸進來,那么(me)就會堵塞散(san)(san)熱(re)片管道(dao),無(wu)(wu)(wu)法進行水(shui)(shui)冷(leng)散(san)(san)熱(re),那么(me)散(san)(san)熱(re)器就無(wu)(wu)(wu)法降溫,就立即呈(cheng)現過熱(re)維(wei)護而中止(zhi)加熱(re)作(zuo)業。再有(you)就是(shi)對(dui)于(yu)北方區(qu)(qu)域,或(huo)些較寒冷(leng)地區(qu)(qu),不(bu)適合運(yun)用(yong)(yong)(yong)水(shui)(shui)冷(leng)的(de)電磁(ci)加熱(re)器,由于(yu)溫度過低,水(shui)(shui)就無(wu)(wu)(wu)法活動,甚至會結冰凍住,那么(me)就無(wu)(wu)(wu)法到達水(shui)(shui)冷(leng)的(de)作(zuo)用(yong)(yong)(yong)。南邊區(qu)(qu)域,水(shui)(shui)冷(leng)的(de)電磁(ci)加熱(re)器比較合適運(yun)用(yong)(yong)(yong)。
電(dian)磁(ci)式(shi)加(jia)熱方式(shi)與電(dian)阻(zu)絲加(jia)熱方式(shi)對比(bi):
1、節能(neng)效果好:相比原(yuan)電阻(zu)絲加熱(re)圈節電效果都在30%以上,相對不(bu)(bu)同的(de)(de)原(yuan)料、生產不(bu)(bu)同的(de)(de)產品,節電效果有所變化。但在已使用的(de)(de)產品中節電效率大可達(da)75%。
2、環保效果好:可顯著降低環境溫度。
3、使用(yong)壽命長:加熱圈連續運行溫度只有100℃左右,不存在加熱圈更換(huan)問題。相對于電阻絲加熱減(jian)少了二次投入。
4、可(ke)提(ti)高(gao)(gao)產品(pin)產量:由于(yu)該(gai)產品(pin)的(de)發熱效率高(gao)(gao),能(neng)顯著減(jian)少升溫時間,提(ti)高(gao)(gao)產品(pin)產量。
5、性能安(an)全可(ke)靠(kao):品質(zhi)優(you)良、高度自動化(hua)、無須(xu)人(ren)工調節。
電(dian)(dian)(dian)(dian)磁(ci)(ci)感(gan)應加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)與電(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)區別(bie)?簡單的(de)(de)(de)說,他們實質(zhi)上沒(mei)什么區別(bie),都是(shi)(shi)電(dian)(dian)(dian)(dian)磁(ci)(ci)線圈(quan)發(fa)熱(re)(re)(re)盤而已,并且(qie)加(jia)(jia)熱(re)(re)(re)的(de)(de)(de)物質(zhi)是(shi)(shi)有含鐵的(de)(de)(de)物質(zhi)。但是(shi)(shi)電(dian)(dian)(dian)(dian)磁(ci)(ci)感(gan)應加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)加(jia)(jia)熱(re)(re)(re)原理是(shi)(shi)感(gan)應加(jia)(jia)熱(re)(re)(re)電(dian)(dian)(dian)(dian)源(yuan)產(chan)生(sheng)(sheng)的(de)(de)(de)交(jiao)變電(dian)(dian)(dian)(dian)流(liu)通過線圈(quan)而產(chan)生(sheng)(sheng)磁(ci)(ci)場,原子相(xiang)互碰撞、摩擦而產(chan)生(sheng)(sheng)熱(re)(re)(re)能而電(dian)(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)則是(shi)(shi)利用(yong)電(dian)(dian)(dian)(dian)磁(ci)(ci)感(gan)應加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)的(de)(de)(de)原理將(jiang)(jiang)電(dian)(dian)(dian)(dian)能轉(zhuan)換(huan)為熱(re)(re)(re)能,將(jiang)(jiang)交(jiao)流(liu)電(dian)(dian)(dian)(dian)壓轉(zhuan)換(huan)成直流(liu)電(dian)(dian)(dian)(dian)壓,再經過控制電(dian)(dian)(dian)(dian)路將(jiang)(jiang)直流(liu)電(dian)(dian)(dian)(dian)壓轉(zhuan)換(huan)為高頻(pin)電(dian)(dian)(dian)(dian)壓等系列轉(zhuan)換(huan)轉(zhuan)成磁(ci)(ci)場而加(jia)(jia)熱(re)(re)(re)的(de)(de)(de)方式(shi)。由(you)于(yu)加(jia)(jia)熱(re)(re)(re)方式(shi)不樣,因此,操作的(de)(de)(de)方式(shi)也(ye)是(shi)(shi)不樣的(de)(de)(de)。節(jie)能的(de)(de)(de)效果電(dian)(dian)(dian)(dian)磁(ci)(ci)感(gan)應加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)會更好。
工業運用(yong)電磁加熱器的五大(da)優勢(shi):
1、工作環(huan)境舒(shu)適。由于電(dian)阻式加熱時,在(zai)部分熱量輻射(she)到空氣中,導致(zhi)員工工作環(huan)境溫度(du)升(sheng)高,有些(xie)車間還安裝(zhuang)空調來降溫,這樣樣,就增(zeng)加了費(fei)用,導致(zhi)車間運行成本過高。改用電(dian)磁加熱器后,線圈(quan)不存在(zai)發熱,因此,環(huan)境工作溫度(du)不會升(sheng)高,更不需要安裝(zhuang)空調降溫,車間不再出現溫度(du)悶熱。
2、節(jie)能(neng)省電,達到(dao)大幅(fu)度節(jie)能(neng)源(yuan),而(er)比(bi)過去的(de)(de)電阻(zu)式(shi)加(jia)(jia)熱(re)方(fang)(fang)式(shi)是靠自身發熱(re),通(tong)過接觸傳(chuan)導的(de)(de)方(fang)(fang)式(shi)再把熱(re)量傳(chuan)到(dao)炮筒中,還有部分的(de)(de)能(neng)源(yuan)輻射到(dao)空氣中,所以電阻(zu)式(shi)加(jia)(jia)熱(re)的(de)(de)熱(re)效(xiao)率(lv)僅50-60%。本公司的(de)(de)電磁加(jia)(jia)熱(re)器(qi)在拉絲機中改造(zao)時節(jie)能(neng)明顯,達45%以上,在大功(gong)率(lv)塑料機械設(she)備比(bi)如造(zao)粒(li)機中改造(zao)時,節(jie)能(neng)效(xiao)果更顯著,可達50%以上。
3、加熱(re)(re)速(su)度快,由于(yu)利用電磁(ci)磁(ci)感應(ying)生產渦流發熱(re)(re)原理(li),線圈本身(shen)(shen)不(bu)發熱(re)(re),而是炮筒(tong)自(zi)身(shen)(shen)發熱(re)(re)。溫(wen)度升快速(su)度加快。而電阻式是靠自(zi)身(shen)(shen)發熱(re)(re),再傳出給炮筒(tong),故加熱(re)(re)速(su)度理(li)所當然慢很多。
4、維(wei)護(hu)(hu)成本低,般壽命達5年(nian)以上。線(xian)圈(quan)的表(biao)面溫度僅(jin)不到100度。有時僅(jin)70度以內,手(shou)可觸摸。而般電阻式(shi)由(you)于自(zi)身發熱,壽命很短,經(jing)常要維(wei)護(hu)(hu),故造成維(wei)護(hu)(hu)成本過高。
5、在(zai)塑料管(guan)道(dao)加(jia)熱面積小時可獲得較大(da)的(de)功(gong)(gong)率(lv),傳統的(de)電阻式般大(da)為5KW,基本上限狀態,而電磁加(jia)熱器在(zai)小面積大(da)可獲得30KW甚(shen)至更(geng)高功(gong)(gong)率(lv),以保(bao)證出料的(de)數量和品質。
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