摘要:
The present invention relates to an apparatus for manufacturing molten iron. The present invention provides an apparatus for manufacturing molten iron including a charge container receiving the supply of reducing material in which hot fine direct reduced iron from multiple fluidized-bed reactors are mixed; at least one pair of roller presses to which the fine direct reduced iron is supplied to undergo roll pressing, thereby producing continuous compacted material having lumped portions adjacent to each other; a crusher crushing the compacted material produced by the roller presses; and a melter-gasifier to which is charged crushed compacted material that is crushed by the crusher. Each of the pair of roller presses include pressed portions and protruded lines formed between the pressed portions. The pressed portions include first and second pressed portions opposing each other and first and second concave surfaces continuously formed on the first and second pressed portions along an axial direction of the at least one pair of roller presses, respectively. When viewed from a direction perpendicular to a plane centered between the first and the second pressed portions: (i) the first and second concave surfaces partially overlap each other, and (ii) the protruded lines are unaligned on the opposing first and second pressed portions.
摘要:
A method for manufacturing molten iron including the steps of producing reducing material of mixed hot fine direct reduced iron and calcined additives, the reducing material being produced from multiple fluidized beds; charging the reducing material to at least one pair of roller presses; roll pressing the reducing material through the one pair of roller presses to produce continuous compacted material having protrusions formed on pressed surfaces; crushing the compacted material; charging the crushed compacted material to a coal packed bed; and supplying oxygen to the coal packed bed to manufacture molten iron, wherein in the producing compacted material, the compacted material is formed such that acute and obtuse angles are formed between a center line formed along a length of a cross section that is cut along a lengthwise direction perpendicular to an axial direction of the roller presses and connecting lines that connect grooves closest to each other across the cross sectional area. An apparatus for manufacturing molten iron performs the inventive method for manufacturing molten iron. The processes involved in manufacturing molten iron using the invention are convenient, efficient, improve productivity, and allow for more flexibility with respect to equipment operation during the manufacture of compacted material.
摘要:
The present invention relates to an apparatus for manufacturing molten iron. The present invention provides an apparatus for manufacturing molten iron including a charge container receiving the supply of reducing material in which hot fine direct reduced iron from multiple fluidized-bed reactors are mixed; at least one pair of roller presses to which the fine direct reduced iron is supplied to undergo roll pressing, thereby producing continuous compacted material having lumped portions adjacent to each other; a crusher crushing the compacted material produced by the roller presses; and a melter-gasifier to which is charged crushed compacted material that is crushed by the crusher. Each of the pair of roller presses include pressed portions and protruded lines formed between the pressed portions. The pressed portions include first and second pressed portions opposing each other and first and second concave surfaces continuously formed on the first and second pressed portions along an axial direction of the at least one pair of roller presses, respectively. When viewed from a direction perpendicular to a plane centered between the first and the second pressed portions: (i) the first and second concave surfaces partially overlap each other, and (ii) the protruded lines are unaligned on the opposing first and second pressed portions.
摘要:
A method for manufacturing molten iron including the steps of producing reducing material of mixed hot fine direct reduced iron and calcined additives, the reducing material being produced from multiple fluidized beds; charging the reducing material to at least one pair of roller presses; roll pressing the reducing material through the one pair of roller presses to produce continuous compacted material having protrusions formed on pressed surfaces; crushing the compacted material; charging the crushed compacted material to a coal packed bed; and supplying oxygen to the coal packed bed to manufacture molten iron, wherein in the producing compacted material, the compacted material is formed such that acute and obtuse angles are formed between a center line formed along a length of a cross section that is cut along a lengthwise direction perpendicular to an axial direction of the roller presses and connecting lines that connect grooves closest to each other across the cross sectional area. An apparatus for manufacturing molten iron performs the inventive method for manufacturing molten iron. The processes involved in manufacturing molten iron using the invention are convenient, efficient, improve productivity, and allow for more flexibility with respect to equipment operation during the manufacture of compacted material.
摘要:
A coating apparatus includes a stage supporting a coating target, a coating part on the stage, the coating part being configured to apply a coating material onto the coating target, and a heating source opposite to and spaced apart from the stage, the heating source being configured to supply heat to the coating target after application of the coating material onto the coating target.
摘要:
Provided are a method of manufacturing an organic light emitting display apparatus, a surface treatment device for an organic light emitting display apparatus, and an organic light emitting display apparatus. To easily form organic emissive layers, the method includes: forming a first electrode on a substrate; forming on the first electrode a pixel defining layer having openings that expose predetermined portions of the first electrode; forming a charge carrying layer on the pixel defining layer and the first electrode exposed through the openings; hydrophobically treating portions of a surface of the charge carrying layer selectively, wherein the portions do not correspond to the openings, using a laser; forming organic emissive layers on the charge carrying layer; and forming a second electrode on the organic emissive layers so as to be electrically connected with the organic emissive layers.
摘要:
Disclosed is a swing relief energy regeneration apparatus in which working oil relieved into a hydraulic tank is stored in a pressure accumulator during swing and deceleration to recycle the stored pressure. The swing relief energy regeneration apparatus includes: a hydraulic pump and hydraulic motor; a swing motor connected to the hydraulic pump through first and second paths; a flow rate control valve controlling the working oil supplied from the hydraulic pump into the swing motor; a first passage having both ends branched and connected to the first and second paths to allow the working oil to move in one direction toward the first or second path from the hydraulic tank; a second passage defined parallel to the first passage and having both ends branched and connected to the upstream sides of the first and second paths to allow the working oil to move in one direction toward the hydraulic tank from the first or second path; a pressure accumulator disposed in a recycling path having one end connected to the second passage and the other end connected to the hydraulic motor to store the working oil relieved into the hydraulic tank; and a sluice valve opened to supply the working oil into the hydraulic motor from the pressure accumulator when the manipulation amount of a manipulation lever for controlling the operation of the excavator exceeds a set value.
摘要:
A device for depositing an organic material includes a substrate; a mask having an opening portion and a shield portion; a fixing member for fixing the substrate and the mask to each other; a deposition source comprising a plurality of nozzles arranged in a first direction and configured to spray the organic material; and a plurality of shield plates near the plurality of nozzles on the deposition source. An angle θ between the substrate and a line extended from a distal end of one of the nozzles to a center of a distal end of a corresponding one of the shield plates is greater than or equal to a taper angle Φ of the shield portion of the mask.
摘要:
A substrate cutting apparatus including: a stage to support a substrate; a laser generator to emit a laser beam; a beam oscillator to oscillate the laser beam onto a cutting line of the substrate, to heat the substrate; and a cooling unit to cool the heated substrate.
摘要:
A hydraulic system for a construction machine having a protection device is disclosed, which can limit a flow rate of hydraulic fluid that is discharged from a hydraulic pump in accordance with a hydraulic fluid temperature and notify an operator of information on the hydraulic fluid temperature. The hydraulic system for a construction machine includes a hydraulic actuator operated by hydraulic fluid that is supplied from a hydraulic pump; a control valve installed in a flow path between the hydraulic pump and the hydraulic actuator to control a flow rate of the hydraulic fluid that is supplied from the hydraulic pump to the hydraulic actuator; an oil cooler installed in a return flow path from the control valve to an hydraulic fluid tank to cool the hydraulic fluid; a hydraulic fluid temperature sensor detecting in real time a hydraulic fluid temperature of the hydraulic fluid tank; a hydraulic pump regulator controlling a discharge flow rate of the hydraulic pump through adjustment of an inclination angle of a swash plate of the hydraulic pump; and a controller comparing the hydraulic fluid temperature detected by the hydraulic fluid temperature sensor with a predetermined hydraulic fluid temperature, and outputting a control signal to the hydraulic pump regulator so as to limit the discharge flow rate of the hydraulic pump to or below a predetermined flow rate if the detected hydraulic fluid temperature is equal to or lower than a predetermined lower limit value, or equal to or higher than a predetermined upper limit value.