防(fang)腐蝕地(di)(di)(di)(di)坪(ping)(ping)(ping)除了(le)耐蝕要(yao)求外,在一些重(zhong)要(yao)的(de)(de)場(chang)所還必須具備(bei)防(fang)火(huo)、不(bu)發火(huo)(防(fang)爆(bao)(bao))等特殊的(de)(de)功能要(yao)求,以確保(bao)人(ren)民(min)生命和社會財產的(de)(de)安(an)(an)全。防(fang)腐蝕技術(shu)人(ren)員不(bu)但要(yao)掌(zhang)握(wo)防(fang)腐蝕地(di)(di)(di)(di)坪(ping)(ping)(ping)的(de)(de)各個施工環節;還必須對防(fang)爆(bao)(bao)地(di)(di)(di)(di)坪(ping)(ping)(ping)有充分的(de)(de)認識和了(le)解,并且熟(shu)練的(de)(de)掌(zhang)握(wo)防(fang)爆(bao)(bao)地(di)(di)(di)(di)坪(ping)(ping)(ping)施工技術(shu)和相關的(de)(de)質量(liang)及安(an)(an)全規定,才能在防(fang)爆(bao)(bao)地(di)(di)(di)(di)坪(ping)(ping)(ping)領域發揮技術(shu)指導作用(yong),有效的(de)(de)控制防(fang)爆(bao)(bao)地(di)(di)(di)(di)坪(ping)(ping)(ping)質量(liang),為因地(di)(di)(di)(di)坪(ping)(ping)(ping)而發生的(de)(de)事(shi)故(gu)安(an)(an)全保(bao)駕(jia)護航(hang)。防(fang)爆(bao)(bao)地(di)(di)(di)(di)坪(ping)(ping)(ping)就是(shi)指在易燃易爆(bao)(bao)場(chang)所防(fang)止破壞性爆(bao)(bao)炸(zha)的(de)(de)
2023-12-28 hualin
無(wu)溶(rong)劑(ji)環(huan)氧涂(tu)(tu)(tu)(tu)料是(shi)以環(huan)氧樹(shu)脂(zhi)或改性環(huan)氧樹(shu)脂(zhi)為主要(yao)成膜物質(zhi)的(de)(de)(de)(de)(de)(de)雙組分液體材料。組分一是(shi)樹(shu)脂(zhi)基料及(ji)添(tian)加劑(ji);組分二是(shi)固化劑(ji)及(ji)添(tian)加劑(ji)。混(hun)合后涂(tu)(tu)(tu)(tu)料的(de)(de)(de)(de)(de)(de)固體含(han)(han)量在95%以上,甚至達到了(le)100%,也就是(shi)不含(han)(han)任何稀釋劑(ji)。因此,無(wu)溶(rong)劑(ji)環(huan)氧涂(tu)(tu)(tu)(tu)料是(shi)一種友好型(xing)環(huan)保涂(tu)(tu)(tu)(tu)料的(de)(de)(de)(de)(de)(de)典(dian)型(xing)代表,廣泛應(ying)用于任何有(you)VOC限制(zhi)的(de)(de)(de)(de)(de)(de)防腐涂(tu)(tu)(tu)(tu)裝(zhuang)領域。傳統的(de)(de)(de)(de)(de)(de)防腐蝕涂(tu)(tu)(tu)(tu)料中(zhong)含(han)(han)有(you)大量的(de)(de)(de)(de)(de)(de)有(you)機溶(rong)劑(ji),不符合環(huan)保要(yao)求(qiu),如普(pu)通的(de)(de)(de)(de)(de)(de)溶(rong)劑(ji)型(xing)環(huan)氧涂(tu)(tu)(tu)(tu)料含(han)(han)有(you)超過(guo)40%以上的(de)(de)(de)(de)(de)(de)揮發(fa)性有(you)機溶(rong)
2023-12-20 hualin
防腐蝕(shi)保溫施(shi)(shi)(shi)工(gong)(gong)方(fang)案(an)一.工(gong)(gong)程概況(項目介紹(shao)、施(shi)(shi)(shi)工(gong)(gong)目的(de)、要求、數(shu)(shu)量)二.編制依(yi)據1.主要參考規范和規程2.圖紙或者建設(she)方(fang)要求3.其他(ta)三(san).施(shi)(shi)(shi)工(gong)(gong)準(zhun)(zhun)(zhun)備(bei)1.施(shi)(shi)(shi)工(gong)(gong)前教育(yu)培(pei)訓(技術及安(an)(an)全(quan)環保),人員計(ji)劃安(an)(an)排(pai)2.施(shi)(shi)(shi)工(gong)(gong)機具(ju)設(she)備(bei)準(zhun)(zhun)(zhun)備(bei)(落(luo)(luo)實(shi)施(shi)(shi)(shi)工(gong)(gong)機具(ju)及設(she)備(bei)數(shu)(shu)量,檢 查機具(ju)設(she)備(bei)完好(hao)性,安(an)(an)全(quan)性,做好(hao)防雨(yu)防曬(shai)保護)3.施(shi)(shi)(shi)工(gong)(gong)材料準(zhun)(zhun)(zhun)備(bei)(落(luo)(luo)實(shi)施(shi)(shi)(shi)工(gong)(gong)材料數(shu)(shu)量,檢查三(san)證到位,做好(hao)防雨(yu)防曬(shai),防火防爆工(gong)(gong)作)四.施(shi)(shi)(shi)工(gong)(gong)方(fang)法1.表面處理2.防腐蝕(shi)工(gong)(gong)
2023-12-12 hualin
散(san)(san)熱(re)(re)(re)涂(tu)料(liao)是(shi)一(yi)種(zhong)提高物體表面(mian)散(san)(san)熱(re)(re)(re)效(xiao)率,降低(di)體系(xi)溫(wen)(wen)(wen)(wen)度(du)的特種(zhong)涂(tu)料(liao),也就(jiu)是(shi)功(gong)能型(xing)(xing)涂(tu)料(liao)。該功(gong)能型(xing)(xing)涂(tu)料(liao)有溶劑(ji)(ji)型(xing)(xing)、水性及(無溶劑(ji)(ji))粉體幾種(zhong)類(lei)型(xing)(xing),如果(guo)從使用溫(wen)(wen)(wen)(wen)度(du)分(fen)有低(di)溫(wen)(wen)(wen)(wen)(<200℃)、中(zhong)溫(wen)(wen)(wen)(wen)(200℃-600℃)及高溫(wen)(wen)(wen)(wen)(>600℃)三(san)種(zhong)類(lei)型(xing)(xing)。散(san)(san)熱(re)(re)(re)涂(tu)料(liao)在不(bu)同(tong)溫(wen)(wen)(wen)(wen)度(du)下,散(san)(san)熱(re)(re)(re)效(xiao)率不(bu)一(yi)樣;所以使用散(san)(san)熱(re)(re)(re)涂(tu)料(liao)還需要(yao)根(gen)據發熱(re)(re)(re)物體的表面(mian)溫(wen)(wen)(wen)(wen)度(du)來選擇。散(san)(san)熱(re)(re)(re)涂(tu)料(liao)在工(gong)業及民用領(ling)域應用非常廣泛,如需要(yao)散(san)(san)熱(re)(re)(re)降溫(wen)(wen)(wen)(wen)的CPU、LED燈具、
2023-12-12 hualin
示(shi)溫(wen)(wen)涂(tu)料(liao)(liao)也(ye)叫(jiao)熱(re)敏余料(liao)(liao)或(huo)者(zhe)叫(jiao)變色(se)涂(tu)料(liao)(liao),它是(shi)以顏色(se)或(huo)外觀變化來指示(shi)物體(ti)表面(mian)溫(wen)(wen)度(du)(du)及溫(wen)(wen)度(du)(du)分(fen)布,具有(you)測溫(wen)(wen)功能的(de)(de)(de)(de)一種(zhong)功能性(xing)涂(tu)料(liao)(liao)。其(qi)原理(li)就(jiu)是(shi)涂(tu)層(ceng)被加(jia)熱(re)到一定(ding)的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)時,涂(tu)料(liao)(liao)中的(de)(de)(de)(de)對熱(re)敏感的(de)(de)(de)(de)顏料(liao)(liao)發(fa)(fa)生(sheng)某些物理(li)或(huo)者(zhe)化學(xue)變化,導致分(fen)子結(jie)構、分(fen)子形態的(de)(de)(de)(de)變化,外在的(de)(de)(de)(de)表現(xian)就(jiu)是(shi)顏色(se)變化,因此可以根據顏色(se)隨著溫(wen)(wen)度(du)(du)變化而(er)發(fa)(fa)生(sheng)改(gai)變的(de)(de)(de)(de)特性(xing)來測量一定(ding)范(fan)圍內的(de)(de)(de)(de)溫(wen)(wen)度(du)(du)數值。熱(re)變色(se)的(de)(de)(de)(de)現(xian)象被人(ren)們注(zhu)意并且加(jia)以研(yan)究始(shi)于100多年前;而(er)示(shi)溫(wen)(wen)涂(tu)料(liao)(liao)真正發(fa)(fa)現(xian)和應
2023-12-01 hualin
防(fang)(fang)腐(fu)(fu)(fu)蝕施工(gong)(gong)中(zhong)為了保證防(fang)(fang)腐(fu)(fu)(fu)層(ceng),特別是(shi)涂料防(fang)(fang)腐(fu)(fu)(fu)層(ceng)的(de)(de)(de)(de)耐蝕效果,最大限(xian)度(du)的(de)(de)(de)(de)延長防(fang)(fang)腐(fu)(fu)(fu)層(ceng)使用壽命,通常對(dui)環境相對(dui)濕度(du)的(de)(de)(de)(de)要求(qiu)(qiu)有嚴(yan)格的(de)(de)(de)(de)規定(ding)(ding),規定(ding)(ding)環境相對(dui)濕度(du)不大于85%;而且對(dui)基(ji)(ji)層(ceng)處(chu)(chu)(chu)理(li)要求(qiu)(qiu)也是(shi)有定(ding)(ding)量(liang)定(ding)(ding)性規定(ding)(ding),例如(ru)對(dui)清潔度(du)和粗糙度(du)的(de)(de)(de)(de)規定(ding)(ding)。有數據統計,基(ji)(ji)層(ceng)處(chu)(chu)(chu)理(li)質量(liang)占到整個(ge)防(fang)(fang)腐(fu)(fu)(fu)質量(liang)的(de)(de)(de)(de)70%以上,說明基(ji)(ji)層(ceng)處(chu)(chu)(chu)理(li)對(dui)于防(fang)(fang)腐(fu)(fu)(fu)質量(liang)至關重要。鋼結構(gou)防(fang)(fang)腐(fu)(fu)(fu)涂裝在(zai)ISO12944標準及GB8923標準中(zhong)都詳細的(de)(de)(de)(de)規定(ding)(ding)了基(ji)(ji)層(ceng)處(chu)(chu)(chu)理(li)的(de)(de)(de)(de)施工(gong)(gong)要求(qiu)(qiu),嚴(yan)
2023-12-01 hualin
呋(fu)喃(nan)(nan)(nan)樹脂(zhi)是以糠醛為基本原料制(zhi)成(cheng),具有(you)(you)呋(fu)喃(nan)(nan)(nan)環(huan)(huan)結構的(de)熱固(gu)(gu)性樹脂(zhi)的(de)統稱(cheng),有(you)(you)糠醇樹脂(zhi)、糠醛樹脂(zhi)、糠酮樹脂(zhi)、糠醛-糠醇樹脂(zhi)、苯酚糠醛樹脂(zhi)等。含有(you)(you)呋(fu)喃(nan)(nan)(nan)環(huan)(huan)的(de)化(hua)合物,在(zai)酸催化(hua)劑下(xia)形成(cheng)線形的(de)可(ke)溶性聚(ju)(ju)合物,呈深褐色至黑色的(de)黏性液(ye)體或者(zhe)脆性固(gu)(gu)體,能(neng)夠溶解于(yu)普通的(de)有(you)(you)機(ji)溶劑,并能(neng)夠與很(hen)多增塑劑或者(zhe)其他樹脂(zhi)混溶。含有(you)(you)呋(fu)喃(nan)(nan)(nan)環(huan)(huan)的(de)化(hua)合物變定(ding)后得到不溶的(de)體型高聚(ju)(ju)物,這種高聚(ju)(ju)物具有(you)(you)優良的(de)耐腐蝕性能(neng),被大量用(yong)于(yu)重防(fang)腐工程。呋(fu)喃(nan)(nan)(nan)樹脂(zhi)具有(you)(you)獨
2023-11-14 hualin
最近人們是“談核(he)(he)(he)色變”,日(ri)本(ben)(ben)福島(dao)核(he)(he)(he)電(dian)(dian)(dian)站(zhan)核(he)(he)(he)污(wu)染(ran)(ran)水(shui)排(pai)(pai)海事件(jian)已(yi)經(jing)上了(le)熱搜。據媒體報(bao)道(dao),當地時間10月(yue)(yue)26日(ri),日(ri)本(ben)(ben)東京(jing)電(dian)(dian)(dian)力公司稱(cheng),福島(dao)核(he)(he)(he)電(dian)(dian)(dian)站(zhan)第三批(pi)核(he)(he)(he)污(wu)水(shui)將從11月(yue)(yue)2日(ri)開(kai)始(shi)排(pai)(pai)放。盡管排(pai)(pai)海決定(ding)遭到日(ri)本(ben)(ben)國內外(wai)強(qiang)烈反對,日(ri)本(ben)(ben)政府和東京(jing)電(dian)(dian)(dian)力公司仍于8月(yue)(yue)24日(ri)啟動了(le)核(he)(he)(he)污(wu)染(ran)(ran)水(shui)的排(pai)(pai)海。首輪排(pai)(pai)海于9月(yue)(yue)11日(ri)結束;10月(yue)(yue)5日(ri)至10月(yue)(yue)23日(ri),福島(dao)核(he)(he)(he)電(dian)(dian)(dian)站(zhan)啟動第二批(pi)排(pai)(pai)污(wu)入海。目前,兩輪排(pai)(pai)放量已(yi)累計超過1.5萬(wan)噸。東電(dian)(dian)(dian)表示,如(ru)果排(pai)(pai)放
2023-11-14 hualin