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  • Sep 30 2014 0183 32 The new generation of blast furnaces have large volumes operate at high maximum pressures and increased blast temperatur This has resulted in an increase in tapping rate tapping temperature and the duration of tapping This has prompted changes in relation to material and application of refractories in cast house particularly in tap hole clays The mud gun mass is prone to...

  • FIG 1 is a side elevation view partly in cross-section of the blast furnace tap hole zone with a tap hole plugging device having two hydraulic cylinders for pivoting the jib of a clay gun in accordance with the present invention FIG 2 is an enlarged cross-sectional elevation view through a portion of FIG 1...

  • blast furnaces easier and less dangerous Thereby the furnace workers still had to operate in a dangerous area but instead of plugging the taphole by hand only had to fill the machine with clay and plug the tap hole by maneuvering the clay gun into an appropriate position Employing clay guns did not only im prove working safety but also enhan-...

  • furnaces the blast had to be stopped since it was impossible to close the tap-hole properly against the blast furnace pressure This stoppage of the blast resulted in regular losses of production Clay gun with two clay barrels manufactured by DDS 1928 and later...

  • RSR GREEN TAP 5 355-415 8-14 165-225 23-28 2-4 23-24 146-150 RESTORATION CLAY 55-60 8-10 15-17 10-12 7-8 27-28 168-172 in out elemen Title Microsoft Word - BLAST FURNACE_TAPHOLE CLAY_product tabldocx Created Date...

  • Download Citation Properties and Performance of a Mud Gun Mass Tap Hole Clay with Respect to the Stable Application of the Product in Blast Furnaces The new generation of blast furnaces have...

  • The tap hole is one of the most highly stressed areas of the blast furnace long downtimes occur in case of problems This is why it is important to protect this area as much as possible through accurate gentle drilling and correct plugging For optimum coordination of the clay gun tap hole drill and cover manipulator a common PLC- and...

  • protecting the blast furnace hearth The apparatus shown in Fig 3 which is designed to simulate the behavior of taphole clays inside actual furnaces can extrude taphole clay into heated coke packed in a small furnace and we can observe the condition of taphole clay spreading in packed coke By using this simulator we can evaluate the shape of...

  • Blast Furnace is a pressure reaction vessel where iron ore is melted Blast furnace route of iron making is the best possible method for high productivity The liquid melt is tapped through a hole from the furnace called tap hole The tap hole is filled with special type of clay named tap hole clay THC and to drain out liquid iron the clay...

  • Tap hole clay THC is a plastic refractory and the desired properties are decided based on blast furnace capacity Various parameters taken into account while designing tap hole clay are furnace capacity tap to tap time type of mechanism used for opening and closing curing time required production temperature of metal and slag life of...

  • The function and advantages of tap hole clay Tap hole clay is used to seal the taphole refractory at present there are water stemming and can be divided into two types anhydrous tap hole clay the former is used in low pressure strengthening smelting degree is not high the small blast furnace the latter in high top pressure high degree of intensification of smelting of large and medium...

  • ChapterII TheBlast Furnace Contents andGas Flow 11 21 Thegeneration ofgasandgasflowthroughthe burden 11 22 Furnaceefficiency 15 23 Anexampleofgasflowand contentsof ablast furnace 16 ChapterIII TheOreBurden Sinter Pellets LumpOre 19 31 Introduction 19 32 Ironore 20 33 Qualitydemands for the blast furnaceburden 22 34 Sinter 26 35...

  • US2810634A US604029A US60402956A US2810634A US 2810634 A US2810634 A US 2810634A US 604029 A US604029 A US 604029A US 60402956 A US60402956 A US 60402956A US 2810634 A US2810634 A US 2810634A Authority US United States Prior art keywords furnace hearth iron salamander blast Prior art date 1956-08-14 Legal status The legal status is an assumption and is not...

  • Blast Furnace Taphole Clay Materials Refractories With the prevailing trend of increasing capacities of Blast Furnaces the conditions for applications of Taphole Clay refractory materials have become more stringent as there has been a significant increase both in the pig iron temperatures and taping durations...

  • Blast furnace iron making raw materials Blast furnace reaction 1-stratification of metal and slag occurs and it is tapped into laddles through tap holes 2- unburnt coke floats on the metal and stay over it and forming a dead man B-high duty fire clay 60 alumina content lower stack bosh...

  • Anhydrous taphole clay used in blast furnace tap hole The quality of tap hole clay and the technology of operating mud gun are directly affect the blast furnace outputREWELL is professional refractory factory and we can provide many kinds of furnace refractory This is the introduction of anhydrous taphole clay for blast furnace taphole...

  • The critical importance of tap-hole design and management for furnace performance and longevity is explored through examining some of the specific matte metal and slag tapping requirements of...

  • KB5 Operation of cast house equipment eg mud gun tap hole drill machine overhead crane etc KB6 Function of blast furnace stove including valve operation hot and cold blast valve blowers chimney valves control and measuring instruments and automatic regulators KB7 Need for maintaining steady hot blast temperature by operation of...

  • On May 30th 2008 operators at 2 Blast Furnace experienced problems with 5 stove high pressure drop across the stove the inability to maintain hot blast to the furnace and a large quantity of checker brick in the well of the hot blast valve An emergency internal high temperature inspection of the dome was conducted the following day and...

  • Clay Guns Closing a furnace under any condition is a key safety requirement This demands extremely high reliability and robustness from Clay Guns TMT Clay Guns meet these demands Many machines supplied by DANGO DIENENTHAL or PAUL WURTH have been in constant operation for over 20 years In today s blast furnace plants tapping technology...

  • Refractory Brick Tap-Hole Clay Castables Ramming Material of Iron Runner Refractory Mortar for The Blast Furnace Mgmt Certification ISO 9001 ISO 14001...

  • powder as full or partial replacement of carbon in blast furnace tap hole recipe The properties which are essential in developing a blast furnace tap hole compound are a Flow smoothly when pushed by the clay gun to plug the tap hole b cure within the tap hole during the plug to tap time but without shrinkage to ensure a tight seal...

  • targetting bigger size Blast Furnac 20 Introduction Taphole clay consists of refractory aggregate and liquid organic binder Aggregate and liquid binders are mixed and formed in semi solid mass called as taphole clay In order to design a good tap hole clay various studies have been conducted on binders and fine additiv...

  • Tap Hole Clay Tap Hole Clay for Blast Furnace Al2O3 35 Tap Hole Clay manufacturer / supplier in China offering Blast Furnace Mud Gun Blast Furnace Tap Hole Clay Magnesia Carbon Brick with Refractory Corrosion Resistance Performance for Converter Eaf Bof Refractory Magnesia Bricks for Ladle and so on...

  • Tap hole clay is a kind of refractory which is used for stem the flow of iron melt It can be divided into two classes water-bearing taphole clay and waterless taphole clay The former is used for small and medium blast furnaces 150 cubic meters and the latter in large and medium blast furnac Waterless Tap Hole Clay Feature 1...

  • China Mudgun and Drill Combinations of Ferroalloy Furnace Find details about China Mud Gun Clay Gun from Mudgun and Drill Combinations of Ferroalloy Furnace - Yuci Ocean Hydraulic Co Ltd...

  • PC8 Open the cast with the help of tap hole drill machine Maintain smooth casting to run steady operation of blast furnace To be competent the user /individual on the job must be able to PC9 Ensure casting schedule and practices PC10 Ensure closing the tap hole properly with the help of mud gun after finishing of N a t i o n a l O c c u p...

  • Taphole Clay Allied is the leader in high-alumina anhydrous taphole clay sales in North America We offer a comprehensive line of taphole clays that span from siliceous taphole clays for the alloy industry to high-alumina taphole clays designed for high production multiple-taphole blast furnac...

  • Our consistent development and expansion of the metal sector has made us the technology expert for strip treatment furnaces and blast furnace equipment The majority of worldwide installations of blast furnaces are equipped with automation systems for tap hole drilling and clay gun machines as well as analyzing technology CO analysis from...

  • The large blast furnace can lead to reduce initial cost and higher labor productivity Therefore blast furnaces in Japan have been enlarged And blast furnaces in world are also enlarged in general stable operation is difficult for large blast furnace productivity and...

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