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    A DIRECT SMELTING PROCESS AND APPARATUS
    31.
    发明公开
    A DIRECT SMELTING PROCESS AND APPARATUS 有权
    方法和装置DIREKTERSCHMELZUNG

    公开(公告)号：EP1325159A4

    公开(公告)日：2005-03-02

    申请号：EP01966825

    申请日：2001-09-13

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES ,  BATES CECIL PETER

    IPC: C21B11/08 ,  C21B11/00 ,  C21B13/00 ,  F27B3/18 ,  F27B3/22 ,  F27D3/16 ,  F27D3/18 ,  C21B13/10

    CPC classification number: C21B13/0013 ,  C21B11/00 ,  C21B13/0026 ,  Y02P10/136

    Abstract: A direct smelting process for producing iron and/or ferroalloys is disclosed. The process operates on a commercial scale in a metallurgical vessel that has a hearth, side walls, and a roof, and a minimum width dimension of the interior of the hearth of at least 4 meters. The process is a molten bath-based process and includes supplying ferruginous material, carbonaceous material, and fluxes into the vessel and smelting ferruginous feed material to molten metal in the molten bath and generating gases in the bath. The process also includes injecting jets of oxygen-containing gas being air or air with up to 50% oxygen through 3 or more lances into a space above the quiescent surface of the molten bath (the "top space") and combusting gases generated in the process and generating upward movement of molten material from the molten bath into the top space to facilitate heat transfer to the bath and to minimise heat loss from the vessel. The process is characterised by entraining a volume of top space gas into the jets of oxygen-containing gas injected into the vessel that is 2-6 times the volume of the injected gas.

    DIRECT SMELTING PROCESS AND APPARATUS
    32.
    发明公开
    DIRECT SMELTING PROCESS AND APPARATUS 有权
    DIREKTSCHMELZUNGSVERFAHREN UND -VORRICHTUNG

    公开(公告)号：EP1292713A4

    公开(公告)日：2004-06-23

    申请号：EP01909336

    申请日：2001-03-02

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES ,  BURKE PETER JAMES

    IPC: C21B11/08 ,  C21B11/00 ,  C21B13/00 ,  C21B13/10 ,  C21B11/02

    CPC classification number: C21B13/0026 ,  C21B13/0013 ,  Y02P10/136

    Abstract: A molten bath-based direct smelting process for producing ferrous metal from a ferrous feed material is disclosed. The process is characterised by injecting pre-heated air downwardly into metallurgical vessel at an angle of 20 to 90 DEG C relative to a horizontal axis and at a temperature of 800-1400 DEG C and at a velocity of 200-600 m/s via at least one lance (27). This step forces molten material in the region of a lower end of the lance away from the lance and forming a "free" space around the lower end of the lance that has a concentration of molten material that is lower than the molten material concentration in the raised bath. The process is further characterised in that the lance is located so that: (i) the lance extends into the vessel a distance that is at least the outer diameter of the lower end of the lance; and (ii) the lower end of the lance is at least 3 times the outer diameter of the lower end of the lance above a quiescent surface of the molten bath.

    Abstract translation: 公开了一种用于由铁原料生产黑色金属的基于熔池的直接熔炼工艺。 该方法的特征在于将预热的空气相对于水平轴线以20-90℃的角度向下喷入冶金容器中，温度为800-1400℃，速度为200-600m / s， 至少一个喷枪（27）。 该步骤迫使喷枪下端区域内的熔融材料离开喷枪，并在喷枪下端周围形成一个“自由”空间，该空间的熔融材料浓度低于熔化材料浓度 举起浴缸。 该方法的进一步特征在于，所述喷枪定位成使得：（i）所述喷枪延伸到所述容器中的距离至少为所述喷枪的所述下端的外径; （ii）所述喷枪的下端至少是所述喷枪的下端的外径的3倍以上，位于所述熔池的静止表面上方。

    A DIRECT SMELTING PROCESS
    34.
    发明公开
    A DIRECT SMELTING PROCESS 有权
    DIREKTES SCHMELZVERFAHREN

    公开(公告)号：EP1114195A4

    公开(公告)日：2003-07-02

    申请号：EP99932560

    申请日：1999-07-26

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES

    IPC: C21B9/00 ,  C21B11/08 ,  C21B13/00 ,  C21B13/14 ,  C21C5/56 ,  C22B5/10 ,  C22B1/00 ,  C22B1/04 ,  C22B1/10

    CPC classification number: C21B13/14 ,  C21C5/56 ,  C22B5/10 ,  Y02P10/122 ,  Y02P10/128 ,  Y02P10/136 ,  Y10S75/958

    Abstract: A process for direct smelting a metalliferous feed material is disclosed. The process includes the steps of partially reducing metalliferous feed material and subsantially devolatilising coal in a pre-reduction vessel and producing a partially reduced matelliferous feed material and char. The process also includes direct smelting the partially reduced matalliferous feed material to molten metal in a direct smelting vessel using the char as a source of energy and as a reductant and post-combusting reaction gas produced in the direct smetling process with pre-heated air or oxygen-enriched air to a post-combustion level of greater than 70 % to generate heat required for the direct smelting reactions and to maintain the metal in a molten state.

    Abstract translation: 公开了一种直接熔炼含金属原料的方法。 该方法包括在预还原容器中部分还原含金属原料和使煤基本脱挥发分并生产部分还原的含木素原料和焦炭的步骤。 该方法还包括将直接熔炼容器中的部分还原的原料进料直接熔炼成熔融金属，使用焦炭作为能量来源，并将直接煅烧过程中产生的还原剂和后燃烧反应气体与预热空气或 富氧空气达到大于70％的后燃程度，以产生直接熔炼反应所需的热量并将金属保持在熔融状态。

    ДВУХСТУПЕНЧАТЫЙ СПОСОБ ПЛАВКИ И УСТРОЙСТВО
    36.
    发明专利
    ДВУХСТУПЕНЧАТЫЙ СПОСОБ ПЛАВКИ И УСТРОЙСТВО 未知

    公开(公告)号：EA030240B1

    公开(公告)日：2018-07-31

    申请号：EA201590779

    申请日：2013-11-12

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES ,  PILOTE JACQUES

    IPC: C21B11/00 ,  C21B3/04 ,  C21B15/00 ,  C21C5/38 ,  C21C5/40 ,  F27D13/00 ,  F27D17/00

    Abstract: Двухступенчатыйспособплавкинаосновеплавильнойванныдляполучениярасплавленногометаллаизметаллосодержащегоисходногоматериалавключает: (а) предварительныйнагревметаллосодержащегоисходногоматериалав устройстведляпредварительногонагреваи (b) нагнетаниепредварительнонагретогометаллосодержащегоисходногоматериалаи твердогоуглеродистогоматериалав плавильнуюваннуплавильногососудаи плавкуметаллосодержащегоисходногоматериалав плавильнойваннеи формированиерасплавленногометаллаи отходящегогаза. Способвключаетохлаждениеи очисткуотходящегогазаизплавильногососудаи получениетопливногогаза. Этап (а) предварительногонагревавключаетпредварительныйнагревметаллосодержащегоисходногоматериалапутемобразованиятеплас помощьюсгоранияпоменьшеймеречаститопливногогаза, которыйподводятнаэтаппредварительногонагревапритемператуременее 300°C.

    Direct smelting process
    37.
    发明专利
    Direct smelting process 未知

    公开(公告)号：NZ610180A

    公开(公告)日：2015-03-27

    申请号：NZ61018012

    申请日：2012-02-09

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES

    IPC: C21B13/00 ,  F27D3/18

    Abstract: 610180 A molten bath-based process for direct smelting metalliferous material and producing molten metal in a direct smelting vessel (11) that contains a molten bath that has a metal layer (22) that is at least 900 mm deep. The process includes selecting operating parameters of the process so that feed material (solid material and carrier gas) is injected from above the metal layer into the metal layer (22) via at least one solids injection lance (27) with sufficient momentum to penetrate to a depth of at least 100 mm below a nominal quiescent surface of the metal layer (22) to cause upward movement of molten material and gas (69) from the metal layer (22).

    Direct smelting process
    38.
    发明专利
    Direct smelting process 未知

    公开(公告)号：NZ608909A

    公开(公告)日：2015-02-27

    申请号：NZ60890911

    申请日：2011-09-15

    Applicant: TECH RESOURCES PTY LTD

    Inventor： DRY RODNEY JAMES ,  PILOTE JACQUES

    IPC: C21B11/02 ,  C21B13/00 ,  C22B1/214 ,  C22B5/10

    Abstract: The disclosure relates to a direct smelting process that supplies a metalliferous material, a solid carbonaceous feed material and an oxygen-containing gas into a direct smelting vessel (Fig. 1) containing a molten bath of metal and slag to produce molten metal, molten slag and an off-gas. The process conditions are controlled such that the molten slag has a viscosity in a range of 0.5 – 5 poise at the operating temperature range for the process. The metalliferous material may be an iron-containing material such as iron ore, and the temperature range may be 1400 – 1550 degrees C.

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