Abstract:
Procédé pour la fusion d'une charge dans un four, le four étant équipé dans la partie amont de sa zone de fusion d'un ou plusieurs oxybrûleurs latéraux à flamme orientable.
Abstract:
Heat treatment furnace for metallic section bars of variou skind, comprising means for loading and unloading the section bars with respect to the furnace inner chamber (8), and means (13) to transfer the section bars through the inner chamber (8), from the inlet to the outlet thereof, for a time and at a speed such as to provide for the needed heat treatment of all section bars, where the loading and unloading means and the transfer means (13) are controlled automatically by control means, in such a manner that during each heat treatment cycle of section bars the section bars to be treated introduced in the inner chamber (8) are the same of the treated section bars which are unloaded.
Abstract:
The furnace with movable supports for special steel comprises a device allowing the material to be heated to effect further feed pitches in the fast heating section while remaining stationary in the preheating section. The average stay duration T u of the material in the fast heating section is independent from the duration of stay in the preheating section. In order to modulate the average duration T u of the cycle, the space time T u, given by the spacing of transport according to A and the duration of the cycle T u, is already used during the duration T u and before the change of cycle duration. The location where the evacuation device removes the material from the oven is determined by a measuring instrument or by a follower instrument which controls the evacuation device.
Abstract translation:具有用于特殊钢的可移动支撑件的炉包括允许材料被加热的装置在快速加热部分中进一步进给节距,同时保持静止在预热部分中。 快速加热部分的材料的平均停留持续时间T u独立于预热段的停留时间。 为了调整周期的平均持续时间T u u,由A的传输间隔和周期T uA u的持续时间给出的空间时间T u u u已经在 持续时间T u和周期持续时间的变化之前。 抽真空装置从烘箱中去除材料的位置由测量仪器或由排气装置控制的随动装置决定。
Abstract:
The invention relates to a roller hearth furnace (1) for heating and/or temperature equilibration of continuous cast products (2), comprising a first series of rollers (13) running in the longitudinal direction (12) and a second parallel series of rollers (15) on the outlet side (14), wherein a buffer zone (16) with lifting elements (17) for the perpendicular transport of the continuous cast product (2) is arranged between the series of rollers (13, 15). Furthermore, alternative arrangements for a further process route (28) are provided.
Abstract:
PURPOSE: A hydraulic walking beam upholding apparatus using combination of hydraulic cylinder and idle roller for forming various supporting points is provided to transfer slab in hot rolling reheating furnace more smoothly and prevent damage of parts due to load concentration. CONSTITUTION: The apparatus comprises a driving wheel(110) which is installed on an upper part of vertical hydraulic cylinder(140) to rotate bearing, and on an upper part of which walking beam(80) is rested so that the vertical hydraulic cylinder is moved up and down and traveled; and a guide(130) which is guided when a part of the driving wheel is lifted and lowered around the hydraulic cylinder, and which endures a horizontal load when the driving wheel is driven forward and backward, wherein high pressure is supplied to head of the hydraulic cylinder when transferring the slab with being putting on a moving beam, supply of hydraulic pressure is stopped when moving the slab back and forth, the slab is transferred by rotationally driving the driving wheel, and relief pressure of low pressure is applied to the apparatus so that the apparatus is operated when the slab is put on a fixed beam.
Abstract:
A carrying apparatus for a plate-like heat-treated material in a continuous heat treating furnace, comprising a pair of longitudinally moving wires (41) longitudinally extending parallel with each other through the inside of the furnace so that the heat-treated material (W) can be placed thereon, a pair of vertically moving wires (42) extending parallel with the pair of longitudinally moving wires on the outside or inside of the both longitudinally moving wires (41) so that the heat-treated material (W) can be placed thereon, a longitudinally moving mechanism (43) longitudinally moving the both longitudinally moving wires (41) at a specified level, and a vertically moving mechanism (44) vertically moving the both vertically moving wires (42) so that the both vertically moving wires (42) can cross the level of the longitudinally moving wires (41).
Abstract:
PURPOSE: A cooling system protecting apparatus used in a heating furnace is provided to protect a cooling system installed in the heating furnace by preventing a sight glass flowmeter from being broken due to high-pressure and high-temperature steam in a working beam formed in the heating furnace. CONSTITUTION: A cooling system protecting apparatus includes a main body(10), a pressure adjusting member(30) and a temperature detecting section(50). The main body(10) is interposed between a flexible hose and a sight glass flowmeter and has upper and lower fluid paths(11,12). The pressure adjusting member(30) elastically supports a poppet(31) in a downward direction and has a needle stopper(35), which moves forwards when the poppet(31) moves upwards caused by steam introduced through the upper fluid path(11). The temperature detecting section(50) is detachably coupled to a lower portion of the main body(10).
Abstract:
An walking beam reheating furnace consists of a housing (H) containing a number of stationary and movable beams (1)(2), with workpiece transfer devices (10). Movable beams are separated into two groups, one on the charge side and the other on the discharge side, being fixed to movable frames through a seal, under the furnace, for driving independently or together. Each of the transfer devices consist of a lift beam (11) with a carrier (10) capable of moving on a pair of rails mounted on the beam between a change port and a point near the separation region of the groups of movable beams.
Abstract:
The subject of the present invention is a shielding shoe for covering openings in the bottom of a walking beam furnace, the shielding shoe having a semi-circular recess and can thereby be taken up by a vertical support of the walking beam furnace. The shielding shoe consists essentially of refractory cast concrete or refractory rammed concrete and, according to the invention, has a honeycomb-like structure below the shielding jacket. The present invention also relates to a walking beam furnace with such shielding shoes.