一、石墨和石墨烯有什么區別
石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)是(shi)(shi)(shi)(shi)一種由碳原(yuan)子以(yi)(yi)sp雜化軌(gui)道組(zu)成六角型呈蜂巢(chao)晶格(ge)的(de)(de)二維碳納米(mi)材(cai)料(liao),是(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)的(de)(de)單層結構,石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)一層層疊起來就(jiu)是(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo),石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)和石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)的(de)(de)區別(bie)(bie)主(zhu)要有:1、結構不(bu)同(tong):石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)可以(yi)(yi)看成是(shi)(shi)(shi)(shi)單層的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo),而石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)則是(shi)(shi)(shi)(shi)由多(duo)層的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)疊加而成的(de)(de)。2、厚(hou)度(du)不(bu)同(tong):石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)是(shi)(shi)(shi)(shi)單層碳原(yuan)子,石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)是(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)一層層疊加起來的(de)(de),石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)的(de)(de)厚(hou)度(du)要比(bi)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)大(da),厚(hou)1毫米(mi)的(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)大(da)約包含300萬層石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)。3、性(xing)能不(bu)同(tong):石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)和石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)在導(dao)電(dian)(dian)性(xing)、導(dao)熱性(xing)、透光(guang)性(xing)以(yi)(yi)及(ji)硬度(du)等方便(bian)都(dou)有較大(da)區別(bie)(bie),石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)的(de)(de)性(xing)能更優。4、應(ying)用不(bu)同(tong):石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)烯(xi)(xi)主(zhu)要應(ying)用于光(guang)電(dian)(dian)產(chan)品(pin)領(ling)(ling)域(yu)、能源技術領(ling)(ling)域(yu)、功能復合材(cai)料(liao)、微電(dian)(dian)子器(qi)件(jian)、生物醫藥和傳感器(qi)領(ling)(ling)域(yu);石(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)主(zhu)要應(ying)用于耐火(huo)材(cai)料(liao)行(xing)業(ye)、光(guang)伏行(xing)業(ye)、高溫冶金行(xing)業(ye)、原(yuan)子能工(gong)業(ye)和國防(fang)工(gong)業(ye)。
二、石墨制品有哪些
石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品,顧(gu)名思義就(jiu)是(shi)(shi)(shi)(shi)(shi)以(yi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)為原料制(zhi)(zhi)(zhi)作出來的(de)(de)(de)產品,由(you)(you)于(yu)(yu)(yu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)具有(you)許多優良(liang)的(de)(de)(de)性(xing)(xing)能,因而(er)應用(yong)(yong)(yong)廣泛(fan)。凡是(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)成(cheng)的(de)(de)(de)都屬于(yu)(yu)(yu)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品,一(yi)般常(chang)見(jian)的(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品主(zhu)要(yao)有(you):1、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)棒:由(you)(you)碳、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)加上適當的(de)(de)(de)粘合劑(ji),通過擠(ji)壓成(cheng)形,經(jing)(jing)2200℃焙烤旋段后鍍一(yi)層銅而(er)制(zhi)(zhi)(zhi)成(cheng),常(chang)用(yong)(yong)(yong)于(yu)(yu)(yu)高溫真空爐(lu)的(de)(de)(de)電(dian)(dian)熱體。2、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)塊(kuai):即塊(kuai)狀(zhuang)的(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)制(zhi)(zhi)(zhi)品,主(zhu)要(yao)應用(yong)(yong)(yong)于(yu)(yu)(yu)冶金爐(lu)、電(dian)(dian)阻爐(lu)作爐(lu)襯和(he)導(dao)電(dian)(dian)材(cai)(cai)(cai)料或(huo)者(zhe)碳化硅爐(lu)、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)化爐(lu)等(deng)領域,生(sheng)活中的(de)(de)(de)鉛筆芯就(jiu)是(shi)(shi)(shi)(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)塊(kuai)。3、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)板(ban):石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)板(ban)是(shi)(shi)(shi)(shi)(shi)由(you)(you)金屬芯板(ban)和(he)柔(rou)性(xing)(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)卷材(cai)(cai)(cai)復合而(er)成(cheng)的(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)材(cai)(cai)(cai)料,有(you)沖(chong)齒型和(he)粘結型二種,一(yi)般用(yong)(yong)(yong)來沖(chong)制(zhi)(zhi)(zhi)各種墊(dian)(dian)片,如(ru)氣缸氣墊(dian)(dian)、排(pai)水水位(wei)計墊(dian)(dian)、法蘭熱片、閥門中道換墊(dian)(dian)器(qi)墊(dian)(dian)片等(deng),是(shi)(shi)(shi)(shi)(shi)一(yi)種適用(yong)(yong)(yong)范圍廣,密(mi)封性(xing)(xing)能強的(de)(de)(de)理想密(mi)封材(cai)(cai)(cai)料。4、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)環:石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)環是(shi)(shi)(shi)(shi)(shi)采用(yong)(yong)(yong)柔(rou)性(xing)(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)帶或(huo)柔(rou)性(xing)(xing)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)編制(zhi)(zhi)(zhi)填料,經(jing)(jing)模(mo)壓制(zhi)(zhi)(zhi)成(cheng)不同尺寸的(de)(de)(de)環狀(zhuang)產品,用(yong)(yong)(yong)于(yu)(yu)(yu)壓縮機(ji)、機(ji)泵、閥門、化工儀器(qi)、儀表等(deng),作為機(ji)械旋轉部(bu)位(wei)的(de)(de)(de)密(mi)封材(cai)(cai)(cai)料。5、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)舟:石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)舟即石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)模(mo)具,本(ben)來是(shi)(shi)(shi)(shi)(shi)一(yi)種載體,可把我(wo)們需要(yao)定(ding)(ding)型或(huo)者(zhe)定(ding)(ding)位(wei)的(de)(de)(de)原材(cai)(cai)(cai)料及零部(bu)件一(yi)起放進石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)模(mo)具里,經(jing)(jing)過高溫燒結成(cheng)型,之所以(yi)叫石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)舟,主(zhu)要(yao)是(shi)(shi)(shi)(shi)(shi)因為它(ta)是(shi)(shi)(shi)(shi)(shi)一(yi)個像小船的(de)(de)(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)容器(qi)。6、石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)粉:石(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)墨(mo)(mo)(mo)(mo)粉是(shi)(shi)(shi)(shi)(shi)一(yi)種礦物粉末,主(zhu)要(yao)成(cheng)分為碳單質(zhi),質(zhi)軟,黑灰色,具有(you)耐高溫導(dao)電(dian)(dian)性(xing)(xing)能,可做耐火材(cai)(cai)(cai)料、導(dao)電(dian)(dian)材(cai)(cai)(cai)料、耐磨潤滑(hua)材(cai)(cai)(cai)料。
三、石墨粉價格多少錢一噸
石墨粉是一種礦物粉末,主要成分為碳單質,質軟,黑灰色,常溫下化學性質穩定,不溶于水、稀酸、稀堿和有機溶劑,具有耐高溫導電性能,可用作耐火材料、導電材料、潤滑材料、高溫冶金材料、磨光劑和防銹劑等,是一種應用廣泛的化工原料。石墨粉的種類眾多,不同種類的石墨粉用途不同,價格也有所不同,具體價格并不是統一的,要看石墨粉的含碳量、粒度等參數要求,一般市面上的石墨粉在一千多元每噸到幾萬元每噸甚至幾十萬元每噸都有。購買石墨粉時,可以通過看外觀、將石墨粉放入水中、煅燒石墨粉等方法來判斷石墨粉的質量好壞。如果您需要購買石墨粉,可以先來了解一下石墨十大品牌。
四、石墨電極的用途和性能
石(shi)墨電(dian)(dian)(dian)(dian)極是(shi)一(yi)種耐高溫石(shi)墨質導電(dian)(dian)(dian)(dian)材料,是(shi)在(zai)電(dian)(dian)(dian)(dian)弧爐中以(yi)電(dian)(dian)(dian)(dian)弧形式釋放電(dian)(dian)(dian)(dian)能對爐料進行加熱(re)熔化的(de)導體,它主(zhu)要(yao)用于電(dian)(dian)(dian)(dian)弧煉鋼爐、礦熱(re)電(dian)(dian)(dian)(dian)爐、電(dian)(dian)(dian)(dian)阻爐等領域,利(li)用石(shi)墨電(dian)(dian)(dian)(dian)極向(xiang)爐內導入電(dian)(dian)(dian)(dian)流(liu),利(li)用電(dian)(dian)(dian)(dian)極端(duan)部(bu)和爐料之(zhi)間引發電(dian)(dian)(dian)(dian)弧所產生的(de)高溫熱(re)源來(lai)進行冶煉,還可(ke)以(yi)用來(lai)制備異型石(shi)墨產品。石(shi)墨電(dian)(dian)(dian)(dian)極具有較強(qiang)的(de)導電(dian)(dian)(dian)(dian)性(xing)(xing)、導熱(re)性(xing)(xing),較高的(de)抗熱(re)振(zhen)性(xing)(xing)能和化學(xue)穩定性(xing)(xing)能,良好的(de)潤滑性(xing)(xing)和抗磨性(xing)(xing),且加工較容易、比重小(xiao)、加工速(su)度(du)快,因此應用廣泛。