外熱式圓筒燒毛機的相關介紹
傳統狹縫式燒毛機對純棉粗厚織物、麻類及其混紡織物和絨類織物的燒毛加工質量一直不理想。現有圓筒燒毛機大多是內加熱方式,以重油或0#柴chai油you為wei燃ran料liao通tong過guo燃ran燒shao器qi噴pen嘴zui霧wu化hua後hou噴pen入ru圓yuan筒tong內nei燃ran燒shao使shi之zhi灼zhuo熱re,而er後hou用yong其qi灼zhuo熱re的de弧hu形xing表biao麵mian與yu迅xun速su通tong過guo的de織zhi物wu接jie觸chu,從cong而er將jiang織zhi物wu茸rong毛mao除chu去qu。這zhe類lei燒shao毛mao機ji除chu輕qing薄bo織zhi物wu、提花織物和化纖織物外,一般品種皆可適用,對改善低級棉、粗厚織物、燈(deng)芯(xin)絨(rong)和(he)麻(ma)類(lei)織(zhi)物(wu)的(de)表(biao)麵(mian)粗(cu)糙(cao)度(du)尤(you)有(you)較(jiao)好(hao)效(xiao)果(guo)。因(yin)此(ci),為(wei)提(ti)高(gao)織(zhi)物(wu)燒(shao)毛(mao)等(deng)級(ji),一(yi)般(ban)在(zai)高(gao)溫(wen)氣(qi)體(ti)火(huo)口(kou)燒(shao)毛(mao)的(de)後(hou)麵(mian)增(zeng)加(jia)一(yi)隻(zhi)圓(yuan)筒(tong)燒(shao)毛(mao),用(yong)以(yi)去(qu)除(chu)棉(mian)結(jie)白(bai)芯(xin)。內(nei)加(jia)熱(re)圓(yuan)筒(tong)燒(shao)毛(mao)機(ji)的(de)圓(yuan)筒(tong)一(yi)端(duan)裝(zhuang)有(you)一(yi)軸(zhou)向(xiang)噴(pen)射(she)式(shi)燃(ran)燒(shao)器(qi),另(ling)一(yi)端(duan)與(yu)煙(yan)囪(cong)相(xiang)接(jie),使(shi)燃(ran)燒(shao)殘(can)物(wu)、yanqicongyancongpaichu。cileishaomaojicunzaidezhuyaowentishi,kaojinranshaoqiyiduanbiaomianzhuohongerlingyiduanzechenganhong,youwenchaxianxiang。weishizhenggeyuantongwendujunyun,yingcaiyongbutongdeneijing,qixiaoduanpihouyuranshaoqijiekouxianglian,qibiaomianyuantongwenduda650~750℃。目前,一般生產廠家因其加工困難而采用兩端直徑一致的圓筒,因此,存在一定溫差,影響燒毛效果。
juyouguanziliaojieshao,jiechushijunyunrebanshaomaohuokoushejihelikexing。qihuokouxingshiweidainaihuozhuandexuanhunfusheshihuokou,shangzhaobanyuantongtizhuangdereban。qiranshaojilishicaiyongyuhun、雙股、受限射流、多渦流、三維多燃燒室的強化燃燒加熱技術,火焰燒紅熱板,熱板上有一排氣孔,但不能充分完全排出煙氣,致使燃氣積聚、壓力升高而易產生爆炸現象。這就要求操作工嚴格按照空氣與燃氣混合比及時調整風量、風壓、油量大小,操作難度較大,且不易控製。另外,熱板因為固定不動,走布部分易磨損、變形,使用壽命尚欠理想。
針(zhen)對(dui)圓(yuan)筒(tong)燒(shao)毛(mao)或(huo)熱(re)板(ban)燒(shao)毛(mao)方(fang)式(shi)存(cun)在(zai)的(de)不(bu)足(zu),我(wo)們(men)嚐(chang)試(shi)通(tong)過(guo)外(wai)加(jia)熱(re)圓(yuan)筒(tong)燒(shao)毛(mao)方(fang)法(fa)來(lai)解(jie)決(jue)。即(ji)采(cai)用(yong)新(xin)型(xing)雙(shuang)狹(xia)縫(feng)輻(fu)射(she)式(shi)高(gao)效(xiao)火(huo)口(kou)加(jia)熱(re)轉(zhuan)動(dong)的(de)圓(yuan)筒(tong),織(zhi)物(wu)經(jing)過(guo)灼(zhuo)熱(re)的(de)圓(yuan)筒(tong)表(biao)麵(mian)進(jin)行(xing)燒(shao)毛(mao)。
外熱式圓筒燒毛機
外熱式圓筒具有表麵溫差小、能耗低、汙染少和燒毛質量穩定等優點。為了使火口噴射出的火焰聚集在圓筒體下麵使圓筒灼熱,火口體與圓筒間距控製在20mm左右。圓筒采用40Cr25Ni20Si2耐熱鋼澆鑄而成,直徑200mm,壁厚20mm。圓筒兩端各擱架於2隻鑄鐵環圈上(1隻主動),mocachuandonghuizhuan。qiyiduanyoutuxingyuanhuanqianzhuangzaizhutiehuanquanzhong,yongyifangzhiyuantongzhouxiangcuandong。yuantongzhutiehuanquanzhuandongzhouchengjietonglengqueshuihuilu,keyouxiaofangzhigaowenfusheherechuandaoduichuandongxitongdeyingxiang。zaijitingchehuotingdianshi,tongguoshoudongjigoukeyouxiaofangzhiyuantongjubushourebianxingeryingxiangshiyongxiaoguo。waireshiyuantongyuneireshiyuantongshaomaojidebijiao.
其結構為燃氣由火口下體噴管進人第一混合室內,發生第一次膨脹;再zai由you下xia體ti噴pen出chu口kou收shou縮suo後hou進jin人ren到dao由you下xia體ti和he中zhong體ti組zu成cheng的de第di二er混hun合he室shi,發fa生sheng第di二er次ci膨peng脹zhang,使shi混hun合he氣qi得de到dao充chong分fen混hun合he,經jing火huo口kou中zhong體ti兩liang旁pang出chu風feng口kou分fen別bie進jin人ren到dao由you兩liang側ce耐nai火huo條tiao與yu中zhong間jian耐nai火huo條tiao組zu成cheng的de兩liang條tiao狹xia縫feng噴pen出chu,形xing成cheng兩liang條tiao火huo焰yan區qu交jiao織zhi在zai一yi起qi。混hun合he氣qi體ti在zai以yi兩liang組zu耐nai火huo磚zhuan(主要由碳化矽和剛玉粘合後燒結而成)圍成的燃燒室內燃燒,灼熱的耐火磚既有擋風作用,又會產生熱輻射加快混合氣燃燒速度,使燃燒完全,溫度能達到1400℃以(yi)上(shang)。其(qi)反(fan)應(ying)熱(re)大(da)多(duo)通(tong)過(guo)吸(xi)熱(re)圓(yuan)筒(tong)用(yong)於(yu)織(zhi)物(wu)外(wai)熱(re)式(shi)圓(yuan)筒(tong)燒(shao)毛(mao)機(ji)加(jia)工(gong)。耐(nai)火(huo)磚(zhuan)下(xia)麵(mian)加(jia)裝(zhuang)了(le)稀(xi)土(tu)耐(nai)熱(re)合(he)金(jin)鑄(zhu)鐵(tie),耐(nai)火(huo)條(tiao)作(zuo)為(wei)噴(pen)火(huo)條(tiao),火(huo)口(kou)體(ti)通(tong)冷(leng)卻(que)水(shui)冷(leng)卻(que),以(yi)保(bao)證(zheng)火(huo)口(kou)中(zhong)體(ti)和(he)下(xia)體(ti)不(bu)致(zhi)受(shou)熱(re)變(bian)形(xing)。這(zhe)種(zhong)火(huo)口(kou)結(jie)構(gou)緊(jin)湊(cou)、體積較小、能耗低、燃燒區溫度高、穩定性好和圓筒表麵溫度均勻,能滿足燒毛工藝的要求。
所研製的外熱式圓筒燒毛機已進人試製階段,並已在四家印染企業投人使用。使用效果表明,這種外熱式圓筒燒毛機與2隻或4隻SPS—l型雙噴射式氣體火口配套組成的複合式氣體燒毛機,取代內熱式圓筒燒毛機的加工工藝,能提高純棉中厚織物、麻類及其混紡織物和絨類織物的燒毛質量,具有良好的應用前景。

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