This paper presents the process of getting the qualified molten iron through melting scrap, carburant and moderate cast pig iron, which offers a new way for producing ductile iron.

利用廢鋼三级Av中文字幕永久在线、增碳劑并適當(dāng)配入鑄造生鐵，通過熔煉來獲得合格的原鐵水，然后經(jīng)球化孕育處理形成球墨鑄鐵啪啪啪啪网站，為球墨鑄鐵生產(chǎn)開辟出一條新的途徑。

The results indicate that both of that of iron and steel industry exceed that of whole industry average level.In iron and steel industry,ironmaking consumes most energy and yields most pollutants.The ironmaking's net energy consumption per ton pig iron of key iron and steel works is 704 kg,about 29.5%of which is used for sinter and cokemaking and isn't reclaimed satisfactorily after enhancing the physical and chemical character of raw material.This is one of the reasons why ironmaking system consumes so much energy.

結(jié)果表明：鋼鐵工業(yè)的能耗欧美日韩喷潮一级A片、污染物排放量遠(yuǎn)高于工業(yè)部門平均水平www,操,com；在鋼鐵工業(yè)內(nèi)部，煉鐵系統(tǒng)的污染最嚴(yán)重www.小蝌蚪视频，能耗最高www.在线亚洲色。1996年全國重點(diǎn)鋼鐵企業(yè)噸鐵凈能耗為704 kg，其中29.5 ％用于燒結(jié)和焦化工序久99久黑人精品视频免费观看，且在提高原料的理化性能之后国产福利限制影院，未得到充分回收和利用，是煉鐵系統(tǒng)能耗高的一個重要原因十八禁网站址。

"I fooled you, I fooled you, I got pig iron, I got pig iron, I got all pig iron."

"我騙了你禁止啪啪啪免费视频观看，我騙了你，我拿了鐵国产美女在线精品亚洲二区，我拿了鐵妓女视频妓女网免费，我拿了所有的生鐵"-羅尼。

Our company has achieved the per year production capability of 100,000 ton smelting pig iron,35,000 ton of vermicular cast iron and other kind of cast iron and cast steel work.We can do forge,heat treatmeant and machine processing of all kinds of cast steel work below 25ton.

目前国产一区二区毛片大全，該公司已形成年產(chǎn)十萬噸冶煉生鐵av先锋资源在线，3.5萬噸蠕墨鑄鐵件的生產(chǎn)規(guī)模，可承接25噸以下各類材質(zhì)鑄件的鑄造黄片黄大AAA待黄香蕉、熱處理和機(jī)加工一级黄色视频6f。

The following are the main export goods we are dealing: antimony oxide.copper,scrap steel.pig iron,products made of tungsten,metal zinc,ferro alloy rare earth,coke,alumina,tin ingots,cement,fluorspar lump,magnesium oxide light and dense,talc lumps,barite,aluminium(processing with incoming materials and re-exporting),gypsum,iron nails,iron wire,calcium carbide,sodium sulphate anhydrous,ferrousmetals,nonferrousmetals,nonmetals,machines,apparatus and instrument,industrial and agricultural tools etc.we are also agent for importing and exporting the above products.

經(jīng)營范圍：我公司經(jīng)營的主要出口商品有：銻、氧化銻、銅材另类视频一区二区三区、廢鋼色综合久久久久综合99、生鐵、鎢制品成人色综合综合网站、鋅插女的网站、鐵合金、稀土人人caoshiping、焦碳色黄乱婬伦AV、礬土、錫錠污Am毛片在线、水泥欧美旧网、砩石塊、輕燒鎂国产免费新91、滑石塊欧美日韩激情一区二区、重晶石塊、鋁材精品福利黄色、石膏塊黄片子大全、鐵釘、鐵絲人操人人操人人超碰、電石精品自拍视频手机在线观看、元明粉、黑色金屬看免费5XXAAA毛片om、有色金屬天堂精品视频在线综合网、非金屬礦產(chǎn)品、機(jī)械設(shè)備玖色视频在线、儀器儀表日韩精品电影在线观看播放免费、工農(nóng)具等，并代理上述商品的進(jìn)出口業(yè)務(wù)欧美巨吊。

The treating process of blowing O_257pao国产成视频一永久免费、 N_2 Ar into molten cast iron and the dynamics and thermodynamics of the blowing process are studied. The effects of gas composite, blowing intensity, blowing form and molten iron temperature on molten iron composition and casting quality are analysed. And molten pig iron of the blast furnace is blown in 3t ladle.

用O_2、N_2欧美一区性爱论坛、Ar氣體對鐵水進(jìn)行吹煉處理能看的黄色v网站，分析了吹煉處理的熱力學(xué)與動力學(xué)原理，研究了吹煉處理的氣體組成A级视频欧美黄、吹氣強(qiáng)度在线观看黄色视频国产免费、吹氣方式以及鐵水溫度對鐵水成分與鑄件質(zhì)量的影響，并在3t鐵水包中對高爐鐵水直接進(jìn)行吹煉處理先锋影音av男人你懂的。

Over the years, Jinan Iron Works foundry pig iron and steel foundry pig iron by its good performance and low content of impurity elements and reputation both at home and abroad.

多年來免费视频久久久，濟(jì)南鐵廠的鑄造生鐵和煉鋼生鐵以其鑄造性能好和雜質(zhì)元素含量低而享譽(yù)國內(nèi)外三级网址日本。

Shanxi was an important province of north China which largely produced iron in Song, Yuan, Ming, Qing dynasty. There were a lot of places to exploit iron ore, and exploitation scale was increasing. The technique of smelting iron was generally improved and pig iron outputs increased. All kinds of handworked ironworks not only satisfied the production and living requirement of this province, but also were sold to other provinces, even abroad. Smelting iron industry became an important handicraft industry of this province, which directly promoted the economical development of Shanxi.

宋元明清時期，山西是北方重要的產(chǎn)鐵大省免费国内精品久久久久久久，鐵礦開采點(diǎn)多色色色中色色，開采規(guī)模擴(kuò)大，冶鐵技術(shù)得到普遍提高日本XXXX厕所偷拍视频，生鐵產(chǎn)量增加首页国产日韩欧美第一页，各種手工鐵制品不僅滿足本省生產(chǎn)生活需求，而且遠(yuǎn)銷其它省份甚至國外男女免视频，鐵冶業(yè)成為本省重要的手工業(yè)部門18禁黄色在线网站，直接推動著山西經(jīng)濟(jì)的發(fā)展这里只精品有99。

Heng Bo supplies seamless pipe, senior market analyst, said: At present the majority of iron inside the steel-making pig iron inventories not try for the impact of the demand by the steel mill, a lot of iron re-turn to the production of pig iron for steel-making, according to Iron Works to reflect , due to increased market demand for raw materials and coke prices up, market confidence has been restored, but the production of iron cast iron is still no intention to resume, the market demand will soar to a height of what the market is not expected to unity, on the current situation, the prudent operation of the steel-making pig iron is still the main way to run.

恒博物資的資深無縫管市場分析師表示：目前多數(shù)鐵廠內(nèi)煉鋼生鐵庫存量不大1024手机视频观看在线，受鋼廠需求拉升影響，很多鐵廠再度轉(zhuǎn)向?qū)掍撋F的生產(chǎn)啪啪免费看视频，據(jù)鐵廠人士反映欧美在线网站，由于市場需求加大和焦炭等原料價格的上行，市場信心有所恢復(fù)性AV无码天堂在线，但停產(chǎn)的鐵廠暫時還沒有恢復(fù)生鐵的打算黄色精品美女，市場需求會升到一個什么樣的高度，市場預(yù)期并不統(tǒng)一欧美视频福利6，就目前的形勢來看色色色色色色综合网，謹(jǐn)慎操作依然是該煉鋼生鐵運(yùn)行的主要方式。

Pig iron, the matrix consisted of more than 95% pearlite and a little amount of cementite also, whereas the graphite was of larger type-A, and the tensile strength and the hardness were of 202~238MPa and 220~237HB, respectively; when the metallic charge was 23% V-Ti pig iron plus 77% N.I.

研究釩鈦生鐵和球鐵生鐵對Cr-Cu-Mo可淬硬鑄鐵凸輪軸顯微組織和性能的影響www.hbjmzz.com，討論了D型石墨的形成機(jī)理以及D型石墨灰鑄鐵凸輪軸具有較高強(qiáng)度和較高硬度的原因亚洲人妻专区。