滄州知信管業有限公司 【銷售熱線: QQ 1059975777 張傑】
下麵由我們知信管業為您解說:衡(heng)量(liang)泡(pao)沫(mo)塑(su)料(liao)發(fa)泡(pao)的(de)標(biao)準(zhun)目(mu)前(qian)在(zai)國(guo)內(nei)很(hen)不(bu)一(yi)致(zhi),由(you)於(yu)聚(ju)氨(an)酯(zhi)保(bao)溫(wen)管(guan)保(bao)溫(wen)管(guan)泡(pao)沫(mo)塑(su)料(liao)在(zai)各(ge)處(chu)使(shi)用(yong)條(tiao)件(jian)不(bu)一(yi)樣(yang),對(dui)泡(pao)沫(mo)塑(su)料(liao)的(de)質(zhi)量(liang)指(zhi)標(biao)的(de)要(yao)求(qiu)產(chan)生(sheng)很(hen)大(da)的(de)差(cha)異(yi)。譬(pi)如(ru):在zai油you田tian建jian設she中zhong做zuo為wei集ji輸shu管guan道dao保bao溫wen所suo用yong聚ju氨an酯zhi保bao溫wen管guan保bao溫wen管guan泡pao沫mo塑su料liao,要yao求qiu其qi耐nai熱re性xing要yao好hao,也ye就jiu是shi熱re穩wen定ding性xing要yao求qiu優you良liang,導dao熱re係xi數shu小xiao而er且qie還hai必bi須xu具ju有you一yi定ding的de強qiang度du。滿man足zu以yi上shang三san個ge條tiao件jian時shi,其qi中zhong導dao熱re係xi數shu與yu抗kang壓ya強qiang度du之zhi間jian是shi相xiang互hu約yue束shu的de;要想得到導熱小的泡沫塑料其容量就應很輕,抗壓強度也不可高。所以我們認為:在油田保溫管線上所用泡沫塑料id性能指標就應在何時的範圍內即:導熱係數在0.03大卡/米,時,度;抗壓強度在2公斤/厘米2左右,耐熱在100℃就(jiu)可(ke)以(yi)了(le)。對(dui)於(yu)油(you)田(tian)內(nei)所(suo)應(ying)用(yong)的(de)泡(pao)沫(mo)塑(su)料(liao)板(ban)材(cai),它(ta)主(zhu)要(yao)是(shi)應(ying)用(yong)在(zai)輕(qing)板(ban)夾(jia)層(ceng)內(nei)起(qi)保(bao)護(hu)作(zuo)用(yong),那(na)麼(me)對(dui)其(qi)耐(nai)溫(wen)指(zhi)標(biao)就(jiu)可(ke)以(yi)放(fang)寬(kuan)一(yi)些(xie),隻(zhi)要(yao)求(qiu)導(dao)熱(re)係(xi)數(shu)越(yue)小(xiao)越(yue)好(hao)。當(dang)然(ran)在(zai)施(shi)工(gong)中(zhong)還(hai)要(yao)考(kao)慮(lv)到(dao)它(ta)的(de)強(qiang)度(du)問(wen)題(ti)。另(ling)外(wai)在(zai)采(cai)用(yong)泡(pao)沫(mo)塑(su)料(liao)堵(du)水(shui),作(zuo)浮(fu)子(zi)等(deng)場(chang)合(he),對(dui)其(qi)製(zhi)品(pin)的(de)技(ji)術(shu)指(zhi)標(biao)也(ye)有(you)各(ge)自(zi)的(de)要(yao)求(qiu),所(suo)以(yi)對(dui)泡(pao)沫(mo)塑(su)料(liao)的(de)配(pei)方(fang)也(ye)不(bu)盡(jin)相(xiang)同(tong)。其(qi)次(ci)就(jiu)發(fa)泡(pao)的(de)生(sheng)產(chan)工(gong)藝(yi)來(lai)講(jiang),對(dui)不(bu)同(tong)的(de)成(cheng)型(xing)工(gong)藝(yi)又(you)要(yao)有(you)適(shi)當(dang)的(de)配(pei)方(fang)。目(mu)前(qian)在(zai)油(you)田(tian)生(sheng)產(chan)泡(pao)沫(mo)塑(su)料(liao)保(bao)溫(wen)管(guan)線(xian)有(you)兩(liang)種(zhong)方(fang)法(fa),一(yi)種(zhong)是(shi)模(mo)具(ju)法(fa)也(ye)稱(cheng)扣(kou)模(mo)法(fa);另(ling)一(yi)種(zhong)是(shi)塑(su)料(liao)布(bu)成(cheng)筒(tong)澆(jiao)注(zhu)法(fa)。這(zhe)兩(liang)種(zhong)方(fang)法(fa)的(de)生(sheng)產(chan)工(gong)藝(yi)不(bu)同(tong),要(yao)求(qiu)生(sheng)產(chan)發(fa)泡(pao)配(pei)方(fang)也(ye)不(bu)一(yi)樣(yang)。模(mo)具(ju)法(fa)生(sheng)產(chan)泡(pao)沫(mo)塑(su)料(liao)對(dui)發(fa)泡(pao)速(su)度(du)要(yao)求(qiu)慢(man)一(yi)些(xie),固(gu)化(hua)時(shi)間(jian)也(ye)可(ke)以(yi)延(yan)長(chang)一(yi)些(xie),留(liu)有(you)充(chong)分(fen)的(de)時(shi)間(jian)和(he)模(mo)澆(jiao)注(zhu)。塑(su)料(liao)布(bu)成(cheng)筒(tong)澆(jiao)注(zhu)工(gong)藝(yi)則(ze)要(yao)求(qiu)發(fa)泡(pao)速(su)度(du)都(dou)要(yao)快(kuai),以(yi)利(li)於(yu)成(cheng)型(xing)後(hou)的(de)管(guan)線(xian)進(jin)入(ru)滾(gun)輪(lun)時(shi)不(bu)被(bei)壓(ya)壞(huai),也(ye)就(jiu)是(shi)在(zai)澆(jiao)注(zhu)泡(pao)沫(mo)後(hou)管(guan)子(zi)前(qian)進(jin)兩(liang)米(mi)左(zuo)右(you)強(qiang)度(du)要(yao)上(shang)來(lai),否(fou)則(ze)由(you)於(yu)管(guan)子(zi)的(de)自(zi)重(zhong)把(ba)泡(pao)沫(mo)保(bao)溫(wen)層(ceng)碾(nian)壞(huai)。對(dui)於(yu)扣(kou)模(mo)法(fa)生(sheng)產(chan)就(jiu)沒(mei)有(you)此(ci)項(xiang)要(yao)求(qiu)。所(suo)以(yi)對(dui)於(yu)不(bu)同(tong)生(sheng)產(chan)工(gong)藝(yi),不(bu)同(tong)使(shi)用(yong)範(fan)圍(wei)其(qi)性(xing)能(neng)指(zhi)標(biao)也(ye)不(bu)同(tong)。
yuzhizhimaijuanzhibaowenguangaowenzhengqibaowenguandaoshidixiazhimaiguanzhongdeyizhongxinfushejishu,baowencaiyongxianjindegaowenlixinbolimianhewaihuguancaiyongboligangchanraojishu,shengchanzhizuoxinyidaiyuzhizhimaijuanzhibaowenguanzhengqibaowenguandaoxiliechanpin,shiyongshusongyali2.5MPa,350℃以下的蒸汽或其它熱介質。
產品結構形式 預製直埋蒸汽保溫管(外滑動)的產品結構形式:蕊管(工作鋼管)、有機矽耐高溫漆、滑動支架、耐高溫玻璃棉、鋁箔反射層、空氣保溫層、外套鋼管、纏繞玻璃鋼防腐層(或環氧煤瀝青漆防腐層)。作為建築保溫防水一體化材料,聚氨酯保溫管保溫管硬泡打破了傳統建材功能單一--防水的不保溫、保bao溫wen的de不bu防fang水shui,防fang水shui層ceng一yi旦dan出chu現xian滲shen漏lou保bao溫wen層ceng隨sui即ji失shi去qu保bao溫wen功gong能neng的de通tong。與yu其qi他ta單dan功gong能neng保bao溫wen或huo防fang水shui材cai料liao相xiang比bi,聚ju氨an酯zhi保bao溫wen管guan保bao溫wen管guan硬ying泡pao具ju有you明ming顯xian的de優you勢shi:
1.聚氨酯保溫管保溫管硬泡具有一材多用的功能,同時具備保溫、防水、隔音、吸振等諸多功能。
2.保溫性能卓越,是目前國內所有建材中導熱係數(≤0.024)、熱阻值的保溫材料,導熱係數僅為EPS發泡聚苯板的一半。
3.聚氨酯保溫管保溫管硬泡體連續致密的表皮和近於100%degaoqiangduhulianbibikong,juyoulixiangdebutoushuixing。caiyongpentufashigongdadaofangshuibaowencenglianxuwujiefeng,xingchengwufengwugaihezhengtiwaiqiangbaowenketi,fangshuikangshenxingnengyouyi。
4.超強的自黏性能(無需任何中間黏結材料),與屋麵及外牆黏結牢固,抗風揭和抗負風壓性能良好;整體噴塗施工,完全消除“熱節”和“冷橋”;柔性漸變技術可有效阻止防水層開裂;機械化作業、自動配料、質量均一、施工快、周期短。
5.化學性質穩定,使用壽命長,對周圍環境不構成汙染;離明火自熄,且燃燒時隻炭化不滴淌,炭化層尺寸和外形基本不變,能有效隔斷空氣的進入,阻止火勢的蔓延,防火安全性能好。 滄州知信 電話 QQ 1059975777 張澤天
要(yao)想(xiang)得(de)到(dao)較(jiao)好(hao)的(de)聚(ju)氨(an)酯(zhi)保(bao)溫(wen)管(guan)保(bao)溫(wen)管(guan)泡(pao)沫(mo)保(bao)溫(wen)體(ti),首(shou)先(xian)取(qu)決(jue)於(yu)原(yuan)料(liao),盡(jin)管(guan)你(ni)的(de)配(pei)方(fang)是(shi)最(zui)佳(jia)的(de),但(dan)原(yuan)料(liao)差(cha)異(yi)大(da)也(ye)很(hen)難(nan)得(de)到(dao)較(jiao)好(hao)的(de)泡(pao)沫(mo)體(ti),其(qi)中(zhong)最(zui)主(zhu)要(yao)的(de)原(yuan)料(liao)當(dang)然(ran)就(jiu)是(shi)異(yi)氰(qing)酸(suan)酯(zhi)和(he)聚(ju)酯(zhi)樹(shu)脂(zhi)。眾(zhong)所(suo)周(zhou)知(zhi),泡(pao)沫(mo)塑(su)料(liao)的(de)組(zu)成(cheng)主(zhu)要(yao)是(shi)異(yi)氰(qing)酸(suan)酯(zhi)與(yu)聚(ju)酯(zhi)反(fan)應(ying)而(er)生(sheng)成(cheng)的(de)據(ju)氨(an)基(ji)甲(jia)酸(suan)脂(zhi)。那(na)麼(me)影(ying)響(xiang)異(yi)氰(qing)酸(suan)脂(zhi)的(de)指(zhi)標(biao)是(shi)什(shen)麼(me)呢(ne)?主(zhu)要(yao)是(shi)異(yi)氰(qing)酸(suan)根(gen)的(de)含(han)量(liang)和(he)酸(suan)值(zhi)的(de)大(da)小(xiao),其(qi)粘(zhan)度(du)與(yu)總(zong)氯(lv)為(wei)次(ci)之(zhi)。影(ying)響(xiang)聚(ju)醚(mi)樹(shu)脂(zhi)的(de)指(zhi)標(biao)我(wo)們(men)認(ren)為(wei)是(shi)羥(qiang)值(zhi)與(yu)含(han)水(shui)量(liang),因(yin)為(wei)其(qi)酸(suan)值(zhi)與(yu)含(han)水(shui)有(you)極(ji)大(da)關(guan)係(xi),據(ju)幾(ji)年(nian)來(lai)的(de)使(shi)用(yong)發(fa)現(xian)。如(ru)果(guo)聚(ju)醚(mi)含(han)水(shui)量(liang)過(guo)大(da),隨(sui)著(zhe)時(shi)間(jian)的(de)延(yan)長(chang),其(qi)酸(suan)值(zhi)成(cheng)倍(bei)上(shang)升(sheng)。
目mu前qian我wo國guo生sheng產chan異yi氰qing酸suan脂zhi和he聚ju醚mi樹shu脂zhi是shi小xiao批pi量liang多duo批pi號hao生sheng產chan,各ge批pi號hao的de技ji術shu指zhi標biao都dou有you所suo差cha異yi。我wo們men在zai生sheng產chan中zhong發fa現xian異yi氰qing酸suan酯zhi與yu聚ju醚mi反fan應ying時shi,經jing常chang出chu現xian很hen大da變bian化hua,原yuan因yin何he在zai呢ne?分fen析xi起qi來lai這zhe兩liang種zhong產chan品pin的de級ji別bie等deng級ji的de指zhi標biao範fan圍wei很hen大da。譬pi如ru:異氰酸酯的異氰酸根含量一級品在29%以上,那麼含量在31%時發泡效果出入小姑就很大;再如聚醚樹脂的酸值在5mgKOH/g以下為合格,這個範圍就很廣,有的批號酸值在零點幾,但有的就在5左zuo右you,如ru果guo生sheng產chan量liang小xiao,批pi號hao單dan一yi也ye是shi好hao辦ban的de,出chu現xian上shang述shu現xian象xiang對dui於yu我wo們men應ying用yong單dan位wei怎zen麼me很hen好hao的de解jie決jue呢ne?我wo們men在zai生sheng產chan工gong藝yi中zhong采cai取qu了le指zhi標biao調tiao平ping的de方fang法fa。也ye就jiu是shi把ba進jin廠chang的de異yi氰qing酸suan酯zhi或huo聚ju醚mi樹shu脂zhi首shou先xian大da批pi量liang的de進jin行xing予yu合he,即ji用yong泵beng把ba每mei桶tong200公斤或125公斤的原料抽到一個約3-4噸dun的de儲chu罐guan中zhong,充chong分fen攪jiao拌ban後hou再zai進jin行xing配pei料liao使shi用yong,這zhe樣yang就jiu使shi異yi氰qing酸suan酯zhi或huo聚ju醚mi樹shu脂zhi的de不bu同tong指zhi標biao的de料liao液ye經jing混hun合he後hou縮suo小xiao了le差cha別bie,再zai采cai用yong一yi個ge合he適shi的de配pei方fang可ke以yi得de到dao滿man意yi的de效xiao果guo,而er且qie大da生sheng產chan中zhong的de配pei方fang也ye能neng經jing常chang保bao持chi不bu變bian。以yi往wang在zai生sheng產chan中zhong,由you於yu不bu予yu混hun料liao在zai正zheng常chang澆jiao注zhu或huo噴pen塗tu時shi突tu然ran調tiao換huan了le料liao桶tong或huo批pi號hao,立li即ji出chu現xian不bu正zheng常chang的de現xian象xiang,影ying響xiang了le生sheng產chan,調tiao整zheng起qi來lai也ye極ji為wei麻ma煩fan,配pei方fang的de改gai變bian也ye很hen頻pin繁fan。采cai用yong指zhi標biao平ping後hou此ci類lei現xian象xiang就jiu不bu常chang發fa生sheng了le。
在原料問題方麵還應指出,異氰酸酯的結晶析出和聚醚樹脂的含水,異氰酸脂的結晶實際上是MDI的析出,這種現象在北方出現較多雖然MDI對(dui)發(fa)泡(pao)有(you)好(hao)處(chu),但(dan)給(gei)生(sheng)產(chan)工(gong)藝(yi)帶(dai)來(lai)困(kun)難(nan)。目(mu)前(qian)各(ge)油(you)田(tian)為(wei)了(le)節(jie)約(yue)原(yuan)料(liao),大(da)多(duo)采(cai)用(yong)泵(beng)吸(xi)方(fang)法(fa)密(mi)閉(bi)輸(shu)送(song)液(ye)體(ti),由(you)於(yu)結(jie)晶(jing)的(de)出(chu)現(xian),有(you)的(de)部(bu)分(fen)料(liao)液(ye)泵(beng)吸(xi)不(bu)動(dong),造(zao)成(cheng)塗(tu)料(liao)很(hen)多(duo)嚴(yan)重(zhong)的(de)影(ying)響(xiang)了(le)使(shi)用(yong)量(liang)。產(chan)生(sheng)結(jie)晶(jing)的(de)原(yuan)因(yin)與(yu)異(yi)氰(qing)酸(suan)酯(zhi)的(de)粘(zhan)度(du)有(you)關(guan),如(ru)果(guo)粘(zhan)度(du)高(gao),結(jie)晶(jing)析(xi)出(chu)相(xiang)應(ying)就(jiu)少(shao),粘(zhan)度(du)低(di)析(xi)出(chu)的(de)就(jiu)多(duo)。這(zhe)裏(li)不(bu)是(shi)說(shuo):為(wei)了(le)不(bu)析(xi)出(chu)結(jie)晶(jing)體(ti),粘(zhan)度(du)可(ke)以(yi)無(wu)限(xian)地(di)提(ti)高(gao),接(jie)踵(zhong)而(er)來(lai)的(de)是(shi)粘(zhan)度(du)高(gao)了(le)其(qi)酸(suan)值(zhi)也(ye)隨(sui)著(zhe)增(zeng)大(da)。這(zhe)對(dui)發(fa)泡(pao)也(ye)極(ji)為(wei)不(bu)利(li)。我(wo)們(men)認(ren)為(wei)異(yi)氰(qing)酸(suan)酯(zhi)的(de)粘(zhan)度(du)一(yi)般(ban)在(zai)250厘泊左右為宜,在這種粘度下即使有些結晶出現,但經攪拌後也不影響生產工藝,其酸值也會相應減小。
其qi實shi,關guan於yu預yu製zhi聚ju氨an酯zhi保bao溫wen管guan保bao溫wen管guan保bao溫wen鋼gang管guan出chu廠chang前qian必bi須xu進jin行xing三san道dao檢jian測ce,而er且qie每mei一yi道dao檢jian測ce必bi須xu達da標biao完wan成cheng才cai算suan合he格ge。才cai能neng披pi上shang合he格ge證zheng的de榮rong譽yu出chu廠chang.xiamianwomenlaijiemiyixiajuanzhibaowenguanbaowenguanbaowengangguandesandaojiance。shouxianyidaopiziguan,zuoweidiyidaogongxuyuzhijuanzhibaowenguanbaowenguanbaowengangguandebaohuceng,juanzhibaowenguanbaowenguanbaowengangguanpiziyidingyaokaolvtadelashendu。erdaoguan,zhuyaozaitidejuanzhibaowenguanbaowenguanmidushibukehushidechengfen,sandaoguan,gangguandexuanze,baozhenghaogangguandezhiliang,cainengbaozhenggongchengdeanquan。cangzhougongyingchengdouyouzhijuanzhibaowenguanbaowenguanfapaozhimaigongreguandaobuxuyaoqizhupangdadedigou,zhixujiangbaowenguanmairendixia,yincidadajianshaolegongchengzhandi,jianshaotufangkaiwaliangyue50%以上,減少土建砌築和混凝土量90%。同時,保溫管加工和現場挖溝平行進行,隻需現場接頭,可以縮短工期約50%以上。
安全:chuzhongguowaishengchandezhimaibaowenguan,junsheyoushenloubaojingxian,yidanguandaomouchufashengshenlou,tongguobaojingxiandechuandao,biankezaizhuanyongjianceyibiaoshangxianshichubaowenguandaoshenshui、loushuidezhunqueweizhijishenlouchengdudedaxiao,yibiantongzhijianshenrenyuanxunsuchuliloushuideguanduan,baozhenggongreguanwangdeanquanyunxing。guoneishengchandebaowenguanmuqianmosheshenloubaojingxian,youdaibushangzheyikongbai。
總之,保溫鋼管不僅具有傳統地溝和架空敷設管道難以比擬的先進技術、shiyongxingneng,erqiehaijuyouxianzhudeshehuixiaoyihejingjixiaoyi,yeshigongrejienengdeyoulicuoshi。caiyongzhimaigongreguandaojishu,biaozhizhezhongguogongreguandaojishufazhanyijingjinrulexindeqidian。suizhezhexiangxianjinjishudejinyibuwanshanhefazhan,gongreguandaozhimaiqudaidigouhejiakongshizaibixing。
