Abstract : by utlizing abundant local resource of ytirium and combining the characteristics of magnesium, barium, calcium and silicon, a sort of composite nodulizer - ytirium - based heavy rare earth nodulizer was developed which is characterized by its good desulphurizing and deoxidizing rate effect, excellent effect to neutralize anti - nodulizing effect of trace elements, strong nodulizng effect and degeneration - resistance, good effect to fine matrix structure, decreased chilling tendency and wide scope of applicatiom using this nodulizer to produce some important castings such as water - cooled wall of blast furnace and roller could increase mechanical properties of central area and casting yield
文摘:利用江西省豐富的釔基重稀土，結合鎂、鋇、硅、
鈣等元素的特性開發了釔基重稀土復合球化劑，該球化劑具有脫硫、脫氧、抗干擾元素、球化和抗球化衰退能力強，細化基體組織，白口傾向小，適用范圍寬等特點，應用於高
爐冷卻壁，軋輥等關鍵鑄件上可提高心部力學性能和工藝出品率。
Naoh was added to iron blast furnace slag ( bfs ) / hydrated lime ( hl ) slurries to prepare sorbents for semidry and dry flue gas desulfurization ( fgd ) processes
摘要本研究于
爐石氫氧化
鈣泥漿中添加氫氧化鈉以制備煙道氣除硫吸收劑。
A differential fixed - bed reactor was employed to study the reaction between iron blast furnace slag ( bfs ) / hydrated lime ( hl ) sorbent and so2 under conditions similar to those in the bag filters of a spray - drying flue gas desulfurization system
摘要本研究以微分固定床反應器，在模擬噴霧乾燥除硫系統中的袋式過濾器的條件下，探討
爐石/氫氧化
鈣吸收劑與二氧化硫于低溫下之反應動力學模式。
Hydrotropic solution of calcium chloride is the best flame retardant agent, which could be used in fields of preparing barium chloride, treating water in boilers, manufacturing calcium metal, fabric gluing, road treating, coal treating, leather making and pharmaceutics
用於廢紙加工脫墨和生產
鈣鹽的原料。氯化
鈣水溶液是良好的耐燃劑。還可用於製造氯化鋇，處理鍋
爐用水，制取金屬
鈣織物上膠道路處理煤處理製革醫藥等方面。
The bfs / hl sorbent was prepared at a weight ratio of 30 / 70 with a slurrying time of 16h and a slurrying temperature of 65
爐石/氫氧化
鈣吸收劑重量配比為30 / 70 ，於65漿化16小時后乾燥后研磨製備而成。
The results of this study are useful for the design and operation of dry or semidry processes that use bfs / hl sorbents to remove so2 from flue gas
本研究的結果有助於使用
爐石/氫氧化
鈣作為吸收劑的乾式與半乾式除硫系統之設計與操作。
Tundish coating is made from magnesia and magnesia - calcium materials. this kind of productions is densed after being shaked. there is no use for stoving. it ' s noted for low cost easy for using, no pollution and can be used for 20 ~ 60 hours
中間包乾式料振動是用鎂質和鎂
鈣質材料、添加各種復合燒結劑製成的，經振動密實且無需烘烤即可使用的材料，其特點是現場操作簡單、能耗小、低成本、不污染環境、連澆
爐數多，可使用20 ~ 60小時。
Minteq international inc. is the largest company in the world offering laser systems, ca wire feeding technology, probes and maintenance programs including equipment, materials and service for blast furnace, eaf furnace, bof, ladle, tundish, reheating furnace as well as other metallurgical furnaces
美國銘德國際集團公司是一家總部在紐約的上市公司.產品包括冶金
爐用激光測厚儀，
鈣線喂絲技術，鋼水用探頭，高
爐，轉
爐，電
爐，鋼包，鐵水包，魚雷罐，中包，加熱
爐的維護技術（含設備，材料和服務） ，是全球該領域最大的跨國集團公司
In the case of sorbents prepared without naoh addition, both the ca utilization and the so2 capture increased with increasing slurrying temperature and varied with the bfs / hl weight ratio ; however, in the case of sorbents prepared with naoh addition, their ca utilization in creased to a level that was nearly independent of the slurrying temperature and the bfs / hl weight ratio
未添加氫氧化鈉的
爐石氫氧化
鈣吸收劑與二氧化硫反應的
鈣利用率與二氧化硫捕捉率隨漿化溫度的增加而增加，且隨
爐石氫氧化
鈣重量配比而改變；添加氫氧化鈉后，吸收劑之
鈣利用率幾乎相同，不受漿化溫度與重量配比影響。
Shenhua coal was burned in the conditions of no reburning, reburning and reburning with injected calcium in 2. 11 mw boiler with four cornered combustor to study the fouling and slagging characteristics with coal reburning and injected calcium
摘要為了研究再燃、噴
鈣時
爐內沾污結渣特性，採用低熔點神華煤在2 . 11mw四角試驗
爐中分別進行無再燃工況、有再燃工況和噴
鈣再燃工況試驗。
The boilers will have to be scoured out to remove the calcium deposits
鍋
爐內壁要洗刷一下，除去
鈣質沉澱物。
The results show that the most titanium occurred in perovskite phase, which could be selectively preciptated and growth by optimizing heat treated condition, and then could be separated by mineral processing
研究結果表明：
爐渣中大部分鈦富集於
鈣鈦礦相中；通過改性處理后，可以使
鈣鈦礦晶體選擇性析出並長大，進而採用選礦方法將其分離出來，為綜合利用創造條件。
Methods for analysis of water for boiler and for cooling - the determination of calcium - complexometric titration
鍋
爐用水和冷卻水分析方法
鈣的測定絡合滴定法
Chemical analysis methods for acid slay of cupola. determination of calcium oxide by ddtc separation process ang egta volumetric method
鑄造化鐵
爐酸性
爐渣化學分析方法. ddtc分離egta容量法測定氧化
鈣量
Abstract : the reasons of casi furnace bottom rising are analysed, the operation procedure to prolong smelting casi period in 1mva electric furnace and the remarkable results achieved are expounded
文摘:對硅
鈣電
爐爐底上漲原因進行了分析，並闡述了延長1mva硅
鈣電
爐生產周期的工藝操作方法及所取得的明顯效果。
Chemical analysis methods for acid slay of cupola. determination of calcium oxide by volumetric method using potassium permanganate
鑄造化鐵爐酸性爐渣化學分析方法.高錳酸鉀容量法測定氧化鈣量
