氮(dan)(dan)氣電(dian)加(jia)熱(re)器(qi)(qi)的(de)(de)設計(ji)圖(tu)紙以及(ji)竣工圖(tu) 氮(dan)(dan)氣電(dian)加(jia)熱(re)器(qi)(qi)的(de)(de)設計(ji)圖(tu)紙以及(ji)設備竣工圖(tu)。 氮(dan)(dan)氣電(dian)加(jia)熱(re)器(qi)(qi)主要(yao)是用(yong)來將所需要(yao)的(de)(de)氮(dan)(dan)氣流從初始溫(wen)度(du)加(jia)熱(re)到所需要(yao)的(de)(de)氮(dan)(dan)氣溫(wen)度(du),最(zui)高(gao)(gao)可達850℃。已(yi)被(bei)廣泛的(de)(de)應用(yong)到航空航天、兵器(qi)(qi)工業、化工工業和(he)(he)高(gao)(gao)等院校(xiao)等許多科研生產試驗(yan)室。特別適(shi)合(he)于自動控(kong)溫(wen)和(he)(he)大流量高(gao)(gao)溫(wen)聯合(he)系(xi)統(tong)和(he)(he)附件試驗(yan)。氮(dan)(dan)氣電(dian)加(jia)熱(re)器(qi)(qi)使用(yong)的(de)(de)范圍(wei)寬(kuan):可以對(dui)任何氣體加(jia)熱(re),產生的(de)(de)熱(re)氮(dan)(dan)氣干燥無水(shui)份(fen)、不(bu)導電(dian)、不(bu)燃燒(shao)、不(bu)爆炸...
防爆(bao)(bao)電(dian)加熱器(qi)企(qi)業(ye)(ye)自(zi)(zi)主創新才是硬道理 隨著煤炭、石油、化(hua)(hua)工(gong)行業(ye)(ye)的發(fa)展,對防爆(bao)(bao)電(dian)加熱器(qi)行業(ye)(ye)是很好的發(fa)展機遇,如何保證(zheng)較快(kuai)的發(fa)展水平(ping),讓自(zi)(zi)身再上(shang)一個新臺階,松驛網建議防爆(bao)(bao)電(dian)加熱器(qi)廠家應該考慮以下幾個方面。自(zi)(zi)主創新和研制新產(chan)品 為提高我國石油、化(hua)(hua)工(gong)等爆(bao)(bao)炸危(wei)(wei)險場所防爆(bao)(bao)電(dian)加熱器(qi)產(chan)品水平(ping),保證(zheng)石油、化(hua)(hua)工(gong)危(wei)(wei)險場所…… 目前(qian)防爆(bao)(bao)電(dian)加熱器(qi)行業(ye)(ye)發(fa)展迅速,很多(duo)...
氮氣(qi)電加熱(re)器特點、工(gong)作(zuo)原理、使用說明 1特點,技術參數 1.1產(chan)品特點 本(ben)系統(tong)設(she)備(bei)結構合理、配套齊(qi)全(quan),安(an)(an)裝周期短,操作(zuo)運行簡單,自動(dong)化(hua)程度(du)高(gao),安(an)(an)全(quan)可靠適(shi)用范圍廣(guang)。 具有先進的運行控制和(he)安(an)(an)全(quan)監制裝置(zhi),能夠精(jing)確地為用熱(re)設(she)備(bei)提供工(gong)藝(yi)溫(wen)度(du)并(bing)通(tong)過所設(she)定(ding)的溫(wen)度(du)反(fan)饋給控制系統(tong)實現熱(re)負荷的自動(dong)調節(jie)。 采用閉路(lu)循環供熱(re),熱(re)量損失(shi)小(xiao),節(jie)能效(xiao)果顯(xian)著,并(bing)可以滿足不(bu)同的多個(ge)用熱(re)設(she)備(bei)。...
高(gao)壓(ya)(ya)加(jia)(jia)(jia)(jia)熱(re)(re)器(qi)泄(xie)漏原(yuan)(yuan)因(yin)分析(xi)及防止措施(shi) 高(gao)壓(ya)(ya)加(jia)(jia)(jia)(jia)熱(re)(re)器(qi)系(xi)統(tong)(tong)是(shi)火電(dian)機(ji)(ji)(ji)組的(de)(de)主(zhu)要熱(re)(re)力系(xi)統(tong)(tong)之(zhi)一。長期以來(lai),由于設計、制(zhi)造、安裝和運(yun)行等(deng)方面的(de)(de)原(yuan)(yuan)因(yin),加(jia)(jia)(jia)(jia)熱(re)(re)器(qi)泄(xie)漏的(de)(de)情(qing)況屢(lv)有發生,特別是(shi)大(da)機(ji)(ji)(ji)組的(de)(de)高(gao)壓(ya)(ya)加(jia)(jia)(jia)(jia)熱(re)(re)器(qi),情(qing)況尤為嚴重(zhong)。因(yin)高(gao)壓(ya)(ya)加(jia)(jia)(jia)(jia)熱(re)(re)器(qi)系(xi)統(tong)(tong)泄(xie)漏導致故(gu)(gu)障(zhang)停運(yun)的(de)(de)次(ci)數(shu)已占整個(ge)高(gao)壓(ya)(ya)加(jia)(jia)(jia)(jia)熱(re)(re)器(qi)故(gu)(gu)障(zhang)停運(yun)的(de)(de)次(ci)數(shu)的(de)(de)6 0 % 以上,成(cheng)為影響(xiang)大(da)機(ji)(ji)(ji)組等(deng)效可(ke)用系(xi)數(shu)的(de)(de)第二位因(yin)素,僅次(ci)于鍋爐爆(bao)管。這不僅影響(xiang)大(da)機(ji)(ji)(ji)組的(de)(de)穩發,...
電(dian)加(jia)熱(re)器(qi)(qi)(qi)防凍(dong)和維持普通溫(wen)度 電(dian)加(jia)熱(re)器(qi)(qi)(qi)的(de)(de)功(gong)(gong)率應(ying)該大于等于儀(yi)表箱(xiang)的(de)(de)熱(re)損失(shi)功(gong)(gong)率,例(li)如:如果(guo)儀(yi)表箱(xiang)的(de)(de)熱(re)損失(shi)功(gong)(gong)率是80W,那么(me)電(dian)加(jia)熱(re)器(qi)(qi)(qi)的(de)(de)功(gong)(gong)率應(ying)該選(xuan)1OOW。 電(dian)加(jia)熱(re)器(qi)(qi)(qi)的(de)(de)應(ying)用選(xuan)擇選(xuan)擇儀(yi)表箱(xiang)用防爆(bao)(bao)電(dian)加(jia)熱(re)器(qi)(qi)(qi)之前(qian),需要的(de)(de)巳知條件(jian): ■防爆(bao)(bao)區域溫(wen)度等級:T3,T4或T6。  ...
關于(yu)導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)電加(jia)熱(re)(re)(re)(re)(re)器(qi)升(sheng)(sheng)(sheng)溫(wen)(wen)(wen)(wen)(wen)的(de)(de)過程(cheng)介(jie)紹 導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)電加(jia)熱(re)(re)(re)(re)(re)器(qi)導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)升(sheng)(sheng)(sheng)溫(wen)(wen)(wen)(wen)(wen)主(zhu)要是將導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)的(de)(de)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)在允許用溫(wen)(wen)(wen)(wen)(wen)度(du)(du)下逐(zhu)步(bu)緩慢提(ti)高到生(sheng)產工(gong)藝溫(wen)(wen)(wen)(wen)(wen)度(du)(du),滿(man)足生(sheng)產要求。升(sheng)(sheng)(sheng)溫(wen)(wen)(wen)(wen)(wen)必須在煮油(you)(you)(you)脫水(shui)完成后(hou)進行(xing),隨著導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)系統中氣體的(de)(de)不斷排出(chu)和(he)導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)的(de)(de)不斷補充,使(shi)熱(re)(re)(re)(re)(re)油(you)(you)(you)循環泵工(gong)作(zuo)(zuo)壓(ya)力及加(jia)熱(re)(re)(re)(re)(re)爐進出(chu)口壓(ya)差,導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)流量趨于(yu)正常平穩(wen),在此前提(ti)下方(fang)可逐(zhu)步(bu)提(ti)高導(dao)熱(re)(re)(re)(re)(re)油(you)(you)(you)的(de)(de)工(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)(du)。 首次升(sheng)(sheng)(sheng)溫(wen)(wen)(wen)(wen)(wen)速(su)度(du)(du)不宜(yi)過快(kuai),應按升(sheng)(sheng)(sheng)溫(wen)(wen)(wen)(wen)(wen)曲線(xian)進行(xing)(升(sheng)(sheng)(sheng)溫(wen)(wen)(wen)(wen)(wen)...
電加熱(re)器送(song)電后不能(neng)加熱(re)的(de)(de)原(yuan)因(yin)(yin)及處(chu)理方法 電加熱(re)器送(song)電后不能(neng)加熱(re)的(de)(de)原(yuan)因(yin)(yin)及處(chu)理方法: 故(gu)障(zhang)原(yuan)因(yin)(yin)分(fen)析: 故(gu)障(zhang)處(chu)理方法: 主回路沒(mei)有電。 使用萬用表測量主回路電源是(shi)否(fou)正常,檢查上級電源是(shi)否(fou)送(song)出。 ...
不(bu)(bu)銹鋼電加(jia)(jia)熱管生(sheng)銹的(de)(de)(de)原因 當不(bu)(bu)銹鋼電加(jia)(jia)熱器外表呈現褐色銹斑(點(dian))的(de)(de)(de)時分,大(da)家大(da)為驚訝(ya):以為“不(bu)(bu)銹鋼是(shi)(shi)不(bu)(bu)生(sheng)銹的(de)(de)(de),生(sheng)銹就不(bu)(bu)是(shi)(shi)正真(zhen)的(de)(de)(de)不(bu)(bu)銹鋼了,可能(neng)(neng)是(shi)(shi)加(jia)(jia)熱管廠家用其他原料替代了不(bu)(bu)銹鋼”。其實不(bu)(bu)然(ran)。不(bu)(bu)銹鋼在(zai)必定的(de)(de)(de)條件下也會生(sheng)銹的(de)(de)(de)。不(bu)(bu)銹鋼具(ju)有(you)(you)反抗大(da)氣(qi)氧化的(de)(de)(de)才能(neng)(neng)不(bu)(bu)銹性(xing),一(yi)起也具(ju)有(you)(you)在(zai)含酸、堿、鹽的(de)(de)(de)介質(zhi)中(zhong)耐腐蝕(shi)(shi)的(de)(de)(de)才能(neng)(neng)即耐腐蝕(shi)(shi)性(xing)。但其抗腐蝕(shi)(shi)才能(neng)(neng)的(de)(de)(de)大(da)小是(shi)(shi)隨其鋼質(zhi)自身化學組成,彼此狀況,運用條...
以(yi)(yi)(yi)電(dian)代煤(mei):電(dian)鍋(guo)爐(lu)的減(jian)排(pai)效(xiao)果顯著 我(wo)國近(jin)期頻現的嚴重(zhong)霧霾天氣,讓清潔能源(yuan)再次成(cheng)為各方熱議的焦點(dian)。“以(yi)(yi)(yi)電(dian)代煤(mei)”,是(shi)(shi)治理當前(qian)空氣污染(ran)的一(yi)大良方。因此(ci),煤(mei)鍋(guo)爐(lu)被更加經濟、節能、環(huan)保、安全的電(dian)鍋(guo)爐(lu)取代是(shi)(shi)刻不容緩(huan)的。 “以(yi)(yi)(yi)電(dian)代煤(mei)”是(shi)(shi)指用(yong)(yong)電(dian)力(li)替代直接燃用(yong)(yong)煤(mei)炭,可以(yi)(yi)(yi)大大減(jian)輕能源(yuan)利用(yong)(yong)對(dui)環(huan)境的污染(ran),即使將化(hua)石能源(yuan)利用(yong)(yong)中(zhong)污染(ran)最嚴重(zhong)的煤(mei)炭轉換(huan)成(cheng)電(dian)力(li),去代替用(yong)(yong)戶直接燃...
達(da)瑞生產的(de)風道式(shi)電(dian)加(jia)熱(re)器(qi)具(ju)有強大(da)的(de)節(jie)能(neng)省電(dian)功效 風道式(shi)電(dian)加(jia)熱(re)器(qi)在生活和生產中發揮著重大(da)的(de)作(zuo)用(yong),它的(de)出現極大(da)的(de)節(jie)約了(le)(le)電(dian)加(jia)熱(re)過(guo)程中的(de)成本消耗,對于生產和生活具(ju)有很好(hao)的(de)輔(fu)助(zhu)作(zuo)用(yong)。 隨著電(dian)力工業(ye)的(de)發展和引進新技術,在火(huo)力發電(dian)廠將原水力除灰改為干式(shi)除灰,這(zhe)樣既節(jie)約了(le)(le)大(da)量水源,糧田,又能(neng)將煤(mei)灰為人類再作(zuo)貢獻。風道 電(dian)加(jia)熱(re)器(qi) 可(ke)以用(yong)煤(mei)灰制造(zao)水泥(ni)、煤(mei)灰磚、修(xiu)建公(gong)路,同時還改善環境污染(ran),...
降低空(kong)氣(qi)電加(jia)(jia)(jia)(jia)熱(re)器(qi)本身的壓(ya)(ya)(ya)力(li)損失。需要加(jia)(jia)(jia)(jia)熱(re)的空(kong)氣(qi),流(liu)經空(kong)氣(qi)電加(jia)(jia)(jia)(jia)熱(re)器(qi)內(nei)部(bu)時(shi)(shi),要產生(sheng)壓(ya)(ya)(ya)損。壓(ya)(ya)(ya)損越(yue)(yue)大(da),風機的能(neng)耗(hao)也越(yue)(yue)大(da),應從空(kong)氣(qi)電加(jia)(jia)(jia)(jia)熱(re)器(qi)本身的結構上進(jin)行改進(jin)、創新,使之產生(sheng)的壓(ya)(ya)(ya)力(li)損失為最小。 使用中(zhong)若風機因故停止工(gong)作(zuo),空(kong)氣(qi)電加(jia)(jia)(jia)(jia)熱(re)器(qi)應及時(shi)(shi)斷電。嚴禁(jin)殼體(ti)中(zhong)無正向流(liu)通空(kong)氣(qi)時(shi)(shi),空(kong)氣(qi)電加(jia)(jia)(jia)(jia)熱(re)器(qi)長時(shi)(shi)間通電工(gong)作(zuo),以免(mian)使加(jia)(jia)(jia)(jia)熱(re)元件產生(sheng)早期損壞。 啟動時(shi)(shi),必須先啟動風機,再接通電加(jia)(jia)(jia)(jia)熱(re)元件的電源。停機時(shi)(shi)...
電加熱(re)器設計功率(lv)計算(suan)公式(shi)并(bing)計算(suan)舉例,便于(yu)理解: 一(yi).功率(lv)計算(suan)公式(shi): 1、初始加熱(re)所需(xu)要的功率(lv) KW = ( C1M1△T + C2M2△T )÷ 864/P + P/2 式(shi)中: C1C2分別為容器和(he)介質的比熱(re)(Kcal/Kg℃)&nb...
空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)與(yu)壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)的(de)區(qu)別與(yu)聯系 空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)與(yu)壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)的(de)區(qu)別在于(yu):空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)可以(yi)(yi)使用管(guan)道式(shi)(shi)電加(jia)(jia)熱(re)(re)器(qi)(qi)也可以(yi)(yi)使用風道式(shi)(shi)電加(jia)(jia)熱(re)(re)器(qi)(qi),而壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)只能使用管(guan)道式(shi)(shi)電加(jia)(jia)熱(re)(re)器(qi)(qi)。空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)與(yu)壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi)電加(jia)(jia)熱(re)(re)器(qi)(qi)的(de)聯系在于(yu):都可以(yi)(yi)使用管(guan)道式(shi)(shi)電加(jia)(jia)熱(re)(re)器(qi)(qi)。 壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi),即被外力壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)的(de)空(kong)(kong)氣(qi)(qi)(qi)。空(kong)(kong)氣(qi)(qi)(qi)具有可壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)性,經空(kong)(kong)氣(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)機做機械(xie)功使本(ben)身體(ti)積(ji)縮(suo)(suo)小、壓(ya)(ya)(ya)(ya)(ya)力提高后的(de)空(kong)(kong)氣(qi)(qi)(qi)叫(jiao)壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi)。壓(ya)(ya)(ya)(ya)(ya)縮(suo)(suo)空(kong)(kong)氣(qi)(qi)(qi)是一種重要的(de)動...
循(xun)環式(shi)(shi)(shi)電加(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)的優點(dian)及(ji)應用 隨著電力工(gong)業(ye)的發展和化工(gong)裝置(zhi)的日(ri)趨大型化, 我國設(she)計(ji)和應用循(xun)環式(shi)(shi)(shi)電加(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)的場合將越來越多。本文主(zhu)要介紹了循(xun)環式(shi)(shi)(shi)電加(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)的特點(dian)及(ji)應用。 一、循(xun)環式(shi)(shi)(shi)電加(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)優點(dian): 1.體積(ji)小(xiao), 功(gong)率大:循(xun)環式(shi)(shi)(shi)電加(jia)(jia)熱(re)(re)(re)(re)器(qi)(qi)內部主(zhu)要采用集束式(shi)(shi)(shi)管(guan)狀(zhuang)加(jia)(jia)熱(re)(re)(re)(re)元(yuan)(yuan)件(jian), 它在單位體積(ji)內能(neng)容納較多支管(guan)狀(zhuang)電熱(re)(re)(re)(re)元(yuan)(yuan)件(jian), 使得單位體積(ji)內換熱(re)(re)(re)(re)面增加(jia)(jia), 裝置(zhi)體積(ji)大大縮小(xiao)。每一...
電加熱(re)(re)(re)導熱(re)(re)(re)油(you)(you)爐(lu)與(yu)其他鍋爐(lu)對比 電加熱(re)(re)(re)導熱(re)(re)(re)油(you)(you)爐(lu) 一、電加熱(re)(re)(re)導熱(re)(re)(re)油(you)(you)爐(lu)概(gai)述: 電加熱(re)(re)(re)導熱(re)(re)(re)油(you)(you)爐(lu)是(shi)一種(zhong)新(xin)型、安全、高效(xiao)節能,低壓(ya)(常(chang)壓(ya)下或較低壓(ya)力)并能提供高溫熱(re)(re)(re)能的(de)特種(zhong)工業(ye)爐(lu),以導熱(re)(re)(re)油(you)(you)為熱(re)(re)(re)載(zai)體,通(tong)過熱(re)(re)(re)油(you)(you)泵(beng)使熱(re)(re)(re)載(zai)體循(xun)環,將熱(re)(re)(re)量傳遞給用(yong)熱(re)(re)(re)設備(bei)。 電加熱(re)(re)(re)導熱(re)(re)(re)油(you)(you)系統由防爆電加熱(re)(re)(re)器、有機熱(re)(re)(re)載(zai)體爐(lu)、換(huan)熱(re)(re)(re)器(如有)、現場防爆操(cao)作(zuo)箱(xiang)、熱(re)(re)(re)油(you)(you)泵(beng)、膨脹槽等組合成一個撬塊,用(yong)戶只僅需接入電源、介質的(de)進(jin)...
保證(zheng)電(dian)加(jia)(jia)熱(re)(re)器(qi)可靠(kao)(kao)運(yun)行(xing)的(de)措施 保證(zheng)電(dian)加(jia)(jia)熱(re)(re)器(qi)可靠(kao)(kao)運(yun)行(xing)的(de)措施主要有(you)以下幾點:1 優(you)化電(dian)加(jia)(jia)熱(re)(re)器(qi)的(de)設(she)計(ji)和安裝,防(fang)止內部(bu)積(ji)(ji)灰 電(dian)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)燒斷(duan)故障(zhang)是(shi)所(suo)有(you)故障(zhang)中發(fa)生次數最多的(de),主要是(shi)由(you)內部(bu)積(ji)(ji)灰過多無法排(pai)出引起。由(you)于更換電(dian)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)工期較(jiao)長(chang),當發(fa)生多根電(dian)加(jia)(jia)熱(re)(re)管(guan)(guan)(guan)燒斷(duan)后,加(jia)(jia)熱(re)(re)器(qi)出口溫(wen)度(du)將不能滿足(zu)系統需求,會(hui)長(chang)時(shi)間影(ying)響到(dao)機組負荷甚(shen)至(zhi)停機,給企業帶(dai)來巨(ju)大的(de)經濟損失。因此在(zai)電(dian)加(jia)(jia)熱(re)(re)器(qi)的(de)選(xuan)型(xing)、系統的(de)設(she)計(ji)、安裝階段應重點考慮(lv)內部(bu)積(ji)(ji)灰問題...
空(kong)(kong)氣(qi)(qi)電(dian)加熱(re)器(qi)(qi)管(guan)板(ban)結構設計(ji)以及管(guan)板(ban)強度計(ji)算 通過分析一臺空(kong)(kong)氣(qi)(qi)電(dian)加熱(re)器(qi)(qi)上的(de)管(guan)板(ban)的(de)溫度情況,合理設計(ji)管(guan)板(ban)結構設計(ji)以及管(guan)板(ban)強度計(ji)算。此(ci)臺空(kong)(kong)氣(qi)(qi)電(dian)加熱(re)器(qi)(qi)的(de)設計(ji)壓力(li)為MPa 2.0,設計(ji)溫度為440℃,介質(zhi)為空(kong)(kong)氣(qi)(qi),電(dian)加熱(re)功率為1200KW,主(zhu)要受壓元件材質(zhi)16Mn,Q345R。 該臺空(kong)(kong)氣(qi)(qi)電(dian)加熱(re)器(qi)(qi)管(guan)板(ban)相當于(yu)U形管(guan)式(shi)換熱(re)器(qi)(qi)的(de)管(guan)板(ban)(無管(guan)箱和(he)隔(ge)板(ban)),管(guan)板(ban)上的(de)管(guan)孔(kong)直徑(jing)為Φ22.5 mm,每(mei)個(ge)管(guan)孔(kong)中的(de)焊接一段規格為...
液(ye)壓(ya)(ya)油用(yong)(yong)電加熱(re)器(qi)的設計選型依據 液(ye)壓(ya)(ya)系(xi)統的液(ye)壓(ya)(ya)站(zhan)環境工況(kuang)在15℃以(yi)(yi)下(xia)(或某些液(ye)壓(ya)(ya)系(xi)統要求的一(yi)定溫度值)低溫啟(qi)動時,需配置電加熱(re)器(qi)將工作介質(zhi)升高(gao)到恰(qia)當的值,降(jiang)低工作介質(zhi)的粘度,以(yi)(yi)利于(yu)液(ye)壓(ya)(ya)泵吸油、啟(qi)動。液(ye)壓(ya)(ya)站(zhan)的設計時,電加熱(re)器(qi)需設計者據實際使用(yong)(yong)要求進行型號選用(yong)(yong),選用(yong)(yong)需控制一(yi)些關鍵參(can)數,避免工作介質(zhi)損(sun)害、安全隱患;下(xia)面針對(dui)較(jiao)為常(chang)見、使用(yong)(yong)的電加熱(re)器(qi)的設計選型、使用(yong)(yong)等(deng)進行簡析。 1 浸沒管式電加熱(re)器(qi)選型 1...
空(kong)氣(qi)電(dian)加(jia)熱(re)器在熔(rong)(rong)噴(pen)(pen)(pen)(pen)布(bu)設(she)備(bei)(熔(rong)(rong)噴(pen)(pen)(pen)(pen)無(wu)紡(fang)布(bu)機(ji)、熔(rong)(rong)噴(pen)(pen)(pen)(pen)布(bu)機(ji))中(zhong)(zhong)應(ying)用 本文主要(yao)介紹熔(rong)(rong)噴(pen)(pen)(pen)(pen)布(bu)設(she)備(bei)(熔(rong)(rong)噴(pen)(pen)(pen)(pen)無(wu)紡(fang)布(bu)機(ji)、熔(rong)(rong)噴(pen)(pen)(pen)(pen)布(bu)機(ji))中(zhong)(zhong)空(kong)氣(qi)電(dian)加(jia)熱(re)器的相(xiang)關資料(liao)。熔(rong)(rong)噴(pen)(pen)(pen)(pen)的工(gong)藝流程為聚合(he)物準備(bei)→熔(rong)(rong)融(rong)擠(ji)壓→計量泵(beng)→熔(rong)(rong)噴(pen)(pen)(pen)(pen)模頭組合(he)件→熔(rong)(rong)體細流拉伸→冷卻→接收裝(zhuang)置(zhi)。熔(rong)(rong)噴(pen)(pen)(pen)(pen)設(she)備(bei)主要(yao)設(she)備(bei):上料(liao)機(ji)、螺桿擠(ji)出機(ji)、計量泵(beng)、熔(rong)(rong)噴(pen)(pen)(pen)(pen)模頭組合(he)件、空(kong)壓機(ji)、空(kong)氣(qi)電(dian)加(jia)熱(re)器、接收裝(zhuang)置(zhi)、卷繞裝(zhuang)置(zhi)。...
防(fang)爆(bao)原理(li)(li)解析(xi) 市面(mian)上的(de)(de)防(fang)爆(bao)空調基本上都是(shi)保持普通空調基礎上,對電氣系統(tong),包括壓縮機、風機、電氣線路(lu)進行防(fang)爆(bao)處(chu)理(li)(li)。防(fang)爆(bao)的(de)(de)原理(li)(li)是(shi)因為防(fang)爆(bao)空調中(zhong)放置鋁合金抑(yi)爆(bao)材料后,由于抑(yi)爆(bao)材料疊(die)層中(zhong)的(de)(de)網(wang)眼組成(cheng)蜂窩狀結(jie)構,把容器(qi)內腔(qiang)分成(cheng)許多很(hen)小(xiao)的(de)(de)“小(xiao)隔室(shi)”。 這些“小(xiao)隔室(shi)”以(yi)遏制火焰的(de)(de)傳播,同時,這種蜂窩結(jie)構在單位體積具有較高的(de)(de)表面(mian)效能(neng),從而具有極好的(de)(de)導熱性,可(ke)以(yi)...