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ThXõe Øû\ (Puddling process)                          CkR RiÓLs £±V ÕiÓL[ôL
                                                                  ùYhPlThÓ LhÓdL[ôL LhPlThÓ
            ©d CÚmûT Ñj§L¬jÕ úR²Úm×
                                                                  ÁiÓm           Tt±ûQdÏm               ¨ûXdÏ
            RVô¬dLlTÓ¡\Õ.
                                                                  ùYlTlTÓjRlThÓ ÁiÓm EÚû[VôL
            ©d CÚmûT Ñj§L¬dÏm úTôÕ, UQp NjÕ                       EÚhPlTÓm.
            ØÝYÕm ¿dLlTÓ¡\Õ. TôvTWØm
                                                                  BvPu ùNVpØû\ (Aston process)
            (phosphorus) ùTÚU[Ü ùY°úVt\lTÓ¡\Õ.
            úUÛm LÓeL¬  (graphite) CÚm×Pu Juß                     CkR ùNVpØû\«p EÚdLlThP ©d
            LXkRRôL (combined) Uôt\lTÓ¡\Õ.                        CÚm×m G@Ï L¯ÜLÞm JÚ ùTv³Uo
                                                                  (Bessemer converter)  Uôtß            EûX«p
            CkR ùNVpØû\Ls ThXõe EûXL°p
                                                                  RVô¬dLlTÓ¡u\]. Ñj§L¬dLlThP
            (puddling process) ùNVpTÓjRlTÓ¡u\].
                                                                  EÚ¡V EúXôLm §\kR G¬YôÙ EûX«p
            ThXõe YûL EûX (Puddling furnace)                      (open hearth furnace)  CÚm× £XõdúLh ¨ûX«p
            CkR EûX ¨XdL¬ G¬Ü G§o A]p                             (iron silicate stage) Ft\lTÓ¡u\]. CRu
            EûXVôÏm. (Reverberatory furnace) (Fig 2).             TV]ôL A§LThN LôoTu  (cabon) stage
                                                                  ¿dLlTÓ¡u\].

                                                                  C§p Es[ L¯Ü (slag) EÚ¡V EúXôLjûR
                                                                  Ï°o®jÕ TûN Y¥YUôdÏ¡\Õ. ©u]o
                                                                  §WY AÝjR CVk§Wm (hydraulic presses) êXm
                                                                  AÝjRlThÓ (slags) L¯ÜLs ùY°úVt\l
                                                                  TÓ¡u\].

                                                                  CkR §Wh£«XõÚkÕ  (mass) ùNqYL Y¥Y
                                                                  §mûULs (blooms) RVô¬dLlTÓ¡u\].

                                                                  CqYûL ùYlTj§mûULs                       (blooms)
                                                                  EPú]úV EÚhPôûXL°p  (rollong mills)
            CqYûL EûXL°p EsÇhÓl ùTôÚhLs                           ùNÛjRlThÓ ùYqúYß ÏßdÏj
            ùSÚl×Pu úSW¥VôL ùRôPo× ùLôs[Up                        úRôt\eLs ùLôiP RiÓL[ôL  (bars)
            A]Xõu G§o ÅfÑ êXm ùRôPo×                              ùYqúYß A[ÜL°p RVô¬dLlTÓ¡u\].
            ùLôs¡u\].  (heat by reflection) Eû[«u
            EhϯYô]  (dome shaped) áûW«XõÚkÕ                      úR²Úm©u LXl×l ùTôÚhLs
            A]p G§ùWôXõdLf ùNnVlTÓYRôp CÕ                         (COMPOSITION OF WROUGHT IRON)
            G§o A]p EûX  (Reverberatory)  G]                       Carbon (LôoTu)             -     0.02 to 0.03%
            AûZd¡lTÓ¡\Õ.
                                                                   Silicon  (£XõLôu)          -     0.1 to 0.2%
            CkR EûX«XõÚkÕ ùY° GÓdLlTÓm
                                                                   Manganese (UôeLÉÑ)         -     0.02 to 0.1%
            RVô¬l× EÚiûP  (balls) Y¥YUôLúYô
            ApXÕ ùTÚm §mûUL[ôLúYô  (blooms)                        Sulphur (NplTo)            -     0.02 to 0.04%
            ÑUôo 50 ¡úXô GûP YûW CÚdÏm.
                                                                   Phosphorous (TôvTWv)       -     0.05 to 0.2%
            CkR ùYlT EúXôLjûR, ©u]o Ts[eLs
                                                                   Á§ TôLm CÚm× BÏm.
            ùLôiP EÚû[L°u (grooved rollers) FúP
            ùNÛj§ §mûULs AÝdÏ RiÓL[ôLÜm
            (muck bars) ÏûZl×j RiÓL[ôLÜm  (puddle
            bars) EÚhPlTÓ¡u\].












                            £_õ & Gm: @©hPo (NSQF - Revised 2022) ------ R.T. for Ex. No.1.6.80-82
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