In dephosphorising and desulfurizing process, fusing block of soda and sodium sulfate is released on the surface of molten iron at first and then remain fusing agent, with the formation of subglobular, is jetted into molten iron by submersible blowgun.

為進行脫磷和脫硫，先向鐵水表面投放碳酸鈉與硫酸鈉的熔合塊麻豆国产香蕉久久精品，剩余量的熔劑以接近于球狀的形態(tài)用潛入式噴槍噴吹入鐵水之中欧美大片免费全部免费观看。

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.

利用廢鋼毛片一区免费、增碳劑并適當配入鑄造生鐵免费观看中国A片,黄色视频，通過熔煉來獲得合格的原鐵水国产狠C视频在线观看，然后經(jīng)球化孕育處理形成球墨鑄鐵，為球墨鑄鐵生產(chǎn)開辟出一條新的途徑神马影院成人免费网站推荐视频。

An iron bar with one end bent like a rake, used to stir and skim molten iron in puddling.

長柄耙一根鐵棍国产在线视频国产永久2021，一端彎成耙狀，在攪煉時用于攪動并去除熔爐灰

Use aerobic converter steel-making to this kind of molten iron, desulphurization rate can exceed 30%～ commonly 35%, because this need not use pretreatment of molten iron to decoke, use aerobic converter steel-making to be able to take off sulfur only divide 0.045% the following.

對此類鐵水采用氧氣轉(zhuǎn)爐煉鋼.国产综合网在线观看，脫硫率一般可以超過30%～35%亚州中文字幕操喷，因此不必采用鐵水脫硫預處理，僅采用氧氣轉(zhuǎn)爐煉鋼即可將硫脫除到0.045%以下久久久久精品视频这里只有精品。

A new spheroidization process was developed for production of nodular cast iron from high-sulphur (0.1%S) molten iron. The solid slag cake of rare-earth oxide was used as desulphurizer and spheroidizer under the Ar-blowing operation.

采用稀土氧化物固態(tài)渣餅作為脫硫劑和球化劑人人澡人人摸人人干，在吹氬條件下對高硫(S=0.100％)鐵水進行球化處理生產(chǎn)球墨鑄鐵。

The experimental results indicated that the longer the po uring intervallic time of the two kinds of molten metal and the higher the heigh t of the molten iron to pour into the tip of dipper teeth , the narrower its tran sitional zone will be, on the contrary, the wider its transitional zone will be.

用不同粘度的流體通過水力模擬的方法近似地描述了雙金屬斗齒過渡區(qū)的混合狀態(tài)人人操人人莫人人干。試驗結(jié)果表明：兩種液體澆注的間隔時間越長a级线手机免费观看，先澆入的鐵液液面越高，過渡區(qū)越窄欧美性爱A√视频在线；反之中文在线播放，過渡區(qū)越寬日韩偷窥自拍系列在线观看视频。生產(chǎn)中為了保證過渡區(qū)雙金屬的結(jié)合質(zhì)量五级全黄的视频在线观看，應控制較高的鐵液液面高度及一定的雙液間隔時間

The main reasons are: the reaction+=Fe+CO also occur during molten iron drop passing final slag, the slag has lowlevel of FeO ,but it still has strong decarburizing capability. In addition, during molten irondrop passing final slag, the dynamic conditions of decarburizing reaction is well, it makethe carbon content of liquid iron reduce.

主要是因為鐵滴穿過終渣時也發(fā)生+=Fe+CO 反應，此時渣中含量雖少在线观看免费涩涩视频，脫碳反應的動力學條件很好激情图区亚洲，具有較強的脫碳能力。

The treating process of blowing O_2欧美一二三区视频、 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_2玖玖爱视频在线、N_2、Ar氣體對鐵水進行吹煉處理日韩在线试看福利网站免费，分析了吹煉處理的熱力學與動力學原理pirn免费毛片在线，研究了吹煉處理的氣體組成、吹氣強度、吹氣方式以及鐵水溫度對鐵水成分與鑄件質(zhì)量的影響特级毛片A片全部免费播直播，并在3t鐵水包中對高爐鐵水直接進行吹煉處理综合小说网。

Of raw materials to make ALE Series Stroke Stop and Stroke Switch use of carbon steel, ordinary gray cast iron or ductile iron back to BURDEN; reduce the liquid iron in the alloy elements such as Cr, Mn and other content, reducing its molten iron-containing gas; before the next core sand core all the overhead brush paint and the storage period to prevent the sand core to absorb moisture; in rainy days or high humidity of the season, the next best to use torch to the former core cavity, the surface of sand core baking again, in order to reduce sand-fat content; high-temperature casting a small valve in order to facilitate their own exhaust and the reduction of molten iron casting slag produced.

6原料盡量使用碳鋼、普通灰鑄鐵或球墨鑄鐵回爐料1024精品久久久久久久久；降低鐵液中的合金元素如Cr殴美性久久久、Mn等含量，減少鐵液自身含氣量欧美操爱视频；將下芯前的砂芯全部架空刷涂料且限期存放久久久久久精品免费免费69九九，以防砂芯吸潮；在陰雨天或濕度較大的季節(jié)插插一级黄色，下芯前最好用噴燈將型腔操,com、砂芯表面烘烤一遍，以減少砂型發(fā)氣量亚洲中文字幕五码；采用高溫澆注小閥門99久久这里只有精品，以利于鐵液自身排氣和減少鑄渣產(chǎn)生。

The 120m3 BF foundation temperature is reduced from 950℃ to below 700℃ and the furnace life campaign is prolonged for more than 2 years by taking furnace maintenance measures such as batching schreyerite in burdens to deposit Tion hearth bottom to form a steady protective layer and make molten iron liquidity slower to slowdown the erosion on bottom, drilling holes to lay water-cooling pipes in heat resistant foundation to heighten the 1150℃ isothermal line of molten iron to make frozen metal layer thicker.

對濟鋼120m3高爐爐底侵蝕狀況人人射，在生產(chǎn)中配加釩鈦礦欧美极品专区高清在线观看，使其還原成Ti的沉積，以對爐底形成穩(wěn)定保護層在线A片视频网观看，降低鐵水流動性欧美一级多人婬片人妻欧美大片，減緩鐵水對爐底沖刷；同時在耐熱基墩打孔CO∩Xingaiwww，穿埋水冷管igao.com为爱搞点激情，促使爐缸鐵水1150℃等溫線上移，凝固團增厚日韩毛片一级毛片免费视频。實踐表明在线国产福利，特護期間爐基溫度由950℃下降至700℃以下，爐役壽命延長2年以上中国熟妇色視頻一区二区。