Furnace apparatus |
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| 申请号 | US3559972D | 申请日 | 1968-08-29 | 公开(公告)号 | US3559972A | 公开(公告)日 | 1971-02-02 |
| 申请人 | MCKEE & CO ARTHUR G; | 发明人 | GREAVES MELVIN J; WERNER TAGE; | ||||
| 摘要 | Shaft furnace apparatus comprising an upstanding furnace shell, and a supporting structure comprising a frame surrounding and spaced from the shell including generally horizontally disposed frame members joined end to end and being of substantial depth and having sides facing the shell, spaced legs supporting the frame, and a plurality of connector means fixed to such sides of the frame members and to the shell to support the shell from the frame, and means connected to the members forming the frame to resist tilting of the frame members about generally horizontal axes during expansion of the shell on heating of the furnace. Preferably, at least 25 percent of the weight of the furnace above the bosh portion is at all times supported by the supporting structure. If desired, the hearth portion of the furnace may be suspended below the frame and be essentially unsupported from below. | ||||||
| 权利要求 | 1. Shaft furnace apparatus comprising a furnace shall having upstanding sidewall means, and a supporting structure for the furnace comprising a frame surrounding and spaced from said shell and said sidewall means and including generally horizontally disposed frame member means of substantial depth and having a side facing said shell, spaced legs supporting said frame, a plurality of connector means fixed to said side of said frame member means and to said upstanding sidewall means of said shell and extending through the space between said frame and said shell to support said shell from said frame, and means connected to said frame and not affixed to said shell to resist tilting of said frame member means about generally horizontal axes thereof. 2. The apparatus of claim 1 in which said connector means are fixed to said frame member means at locations of essentially equal deflection on said frame member means. 3. The apparatus of claim 1 in which said connector means extend essentially radially of said shell and are disposed essentially equiangularly around said shell. 4. The apparatus of claim 1 in which said means connected to said frame to resist tilting of said frame member means comprises ring means fixed to the upper portions of said frame member means above the locations at which said connector means are fixed to said frame member means. 5. The apparatus of claim 1 in which said means connected to said frame member means to resist tilting of said frame comprises first ring means fixed to the upper portion of said frame member means above the locations at which said connector means are fixed to said frame member means, and second ring means fixed to the lower portion of said frame member means below the locations at which said connector means are fixed to said frame member means. 6. The apparatus of claim 1 comprising members adjustable as to length connecting said furnace shell to said frame to assist in centering said shell relative to said frame. 7. The apparatus of claim 1 in which said connector means are fixed to said shell to support said furnace above its center of gravity. 8. The apparatus of claim 1 in which the lower portions of said connector means where they are fixed to said frame are above the lower portions of said connector means where they are fixed to said shell sidewall means. 9. The apparatus of claim 1 in which said supporting structure constitutes essentially the only support for said furnace and the lower end of said furnace is suspended from said supporting structure and unsupported from below. 10. THe apparatus of claim 9 in which the bottom of said furnace is essentially hemiellipsoidal. 11. The apparatus of claim 1 in which at least 25 percent of the weight of the furnace above the locations at which said connector means are fixed to said furnace shell is at all times supported by said supporting structure. 12. The apparatus of claim 1 in which said frame is formed of four beams each having a generally vertical wall of substantial depth, said beams being joined to form a frame that in plan is of essentially square configuration and that surrounds and is spaced from said shell, in which apparatus said legs support said frame at the corners of said frame, and in which apparatus said connector means comprises generally vertical members fixed to and extending essentially radially of said shell and fixed to said walls of said beams at points of essentially equal deflection of said beams. 13. The apparatus of claim 12 in which said means resisting tilting of said frame members comprises a ring member fixed to the upper portions of said walls of said beams. 14. The apparatus of claim 12 in which said means to resist tilting of said frame members comprises a ring member fixed to the upper portions of said walls of said beams and another ring member fixed to the lower portions of said walls of said beams. 15. Shaft furnace apparatus comprising a furnace having a hearth portion and a shell having a sidewall portion and a lower portion that encloses said hearth portion; supporting structure for the furnace comprising a generally horizontally disposed frame surrounding and spaced a substantial distance from said sidewall portion of said shell entirely around said shell, legs supporting said frame and spaced from said furnace and from each other, said legs being diagonally inclined relative to said furnace at substantial angles from the vertical with the bottoms of said legs spaced outwardly a substantial distance from the tops of said legs to provide substantial stability for said frame and said furnace, means spaced around said shell and connected to said sidewall portion of said shell and to said frame and extending between said frame and said shell for supporting said furnace from said frame so the hearth portion of said furnace is suspended below said frame and is essentially unsupported from below and so said spaced means supporting said furnace from said frame are connected to said sidewall portion of said furnace shell above the center of gravity of said furnace, and means, independent of said means for supporting said furnace from said frame, connected to said furnace and said frame for restraining said furnace against lateral movement relative to said frame. 16. The apparatus of claim 15 in which the bottom of said furnace is essentially hemiellipsoidal. 17. The apparatus of claim 15 in which the sidewall of the shell Is essentially free of sharp bends that could substantially impair the strength of said sidewall for suspending the suspended portions of said furnace. 18. Apparatus of claim 1 in which said means connected to said frame to resist tilting of said frame member means comprises ring means that is polygonal in plan with straight side members joined at the locations of essentially equal deflection on said frame member means. 19. Apparatus of claim 2 in which said means connected to said frame to resist tilting of said frame member means comprises ring means that is polygonal in plan with straight side members joined at the locations of essentially equal deflection on said frame member means. 20. Shaft furnace apparatus comprising an upwardly extending furnace, supporting structure for said furnace comprising an essentially rigid generally horizontally disposed frame surrounding and spaced from said furnace, means supporting said furnace from said frame, and means located between said frame and said furnace for restraining said furnace against lateral movement relative to said supporting structure comprising tension members connected to said furnace and said frame and extending generally tangentially to said furnace. 21. The furnace of claim 20 in which said tension members are adjustable as to length. 22. Shaft furnace apparatus comprising an upwardly extending furnace, supporting structure for said furnace comprising an essentially rigid generally horizontally disposed frame surrounding and spaced from said furnace, said frame being made up of a plurality of beam members that are essentially equal in length and rigidly connected together to define in a plan a symmetrical polygon means supporting said furnace from said frame, and means located between said frame and said furnace for restraining said furnace against lateral movement relative to said supporting structure, said restraining means comprising two elongated members connected to each of said beam members and to said furnace shell and extending tangentially to said shell in generally opposite directions. 23. Shaft furnace apparatus comprising an upwardly extending furnace, supporting structure for said furnace comprising an essentially rigid generally horizontally disposed frame surrounding and spaced from said furnace, said frame being made up of four members of generally equal length to form a frame that is essentially square in plan configuration, means supporting said furnace from said frame, and means located between said frame and said furnace for restraining said furnace against lateral movement relative to said supporting structure, said restraining means comprising tension members connected to said furnace shell and to each of said frame members at essentially the central portion thereof. 24. Shaft furnace apparatus comprising an upwardly extending furnace, supporting structure for said furnace comprising an essentially rigid generally horizontally disposed frame surrounding and spaced from said furnace, means supporting said furnace from said frame, means located between said frame and said furnace for restraining said furnace against lateral movement relative to said supporting structure, essentially rigid upper supporting structure surrounding and spaced from said furnace and extending from said first-mentioned supporting structure upwardly adjacent the upper portion of said furnace, and means located between said furnace and said upper supporting structure for restraining said furnace against lateral movement relative to said upper supporting structure comprising tension members connected to said upper supporting structure and said furnace and extending generally tangentially to said furnace. 25. The apparatus of claim 24 in which said tension members are adjustable as to length. |
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