Explore of carburization behavior of low-carbon steel during smelting process
From the argon bottom blowing flow rate and bottom blowing angle, it can be seen that the bottom blowing flow rate and bottom blowing angle of argon also directly affect the fall of the graphite electrode hole wall, and the he mass of electrode hole wall shedding is ＞ 4 kg. As the ferroalloy and refining package walls are less carbonized, they are not considered in the fault tr... ...
Analysis for carburization behavior of low-carbon steel during smelting process
Analysis for carburization behavior of low-carbon steel during smelting processThe reasons of carburization of low - carbon steel during the refining process were analyzed by applying the fault tree theoretical analysis method. The improvement measures including adjusting the inclination angle of the conductive arm to balance the reactance of three-phase current and reduce the ... ...
CHINA GRAPHITE ELECTRODE MARKET ANALYSIS AND FORECAST Ⅱ
CHINA GRAPHITE ELECTRODE MARKET ANALYSIS AND FORECAST ⅡFrom shipment aspect: the recent shipment of graphite electrode market is general. According to some graphite electrode enterprises, the shipment of enterprises has slowed down since late July. On the one hand, due to the policy guidelines for reducing crude steel output and environmental protection power limitation measure... ...
CHINA GRAPHITE ELECTRODE MARKET ANALYSIS AND FORECAST Ⅰ
CHINA GRAPHITE ELECTRODE MARKET ANALYSIS AND FORECAST Ⅰ1. Graphite Electrode Market AnalysisFrom price aspect: in late July 2021, the graphite electrode market trend is downward, and the graphite electrode price gradually decreased, with a total reduction of about 8.97%. Mainly due to the overall increase in the supply of graphite electrode market, the introduction of crude ste... ...
Improved effect of the shutdown of Acheson graphitization furnace
1 Improved effect1.1 Improvement of the unqualified rate of graphitizationAfter the graphitization shutdown judgment method is improved, mainly for the electro-oxidation unqualified rate has been greatly improved get the super quality graphite eletrode products. Take SHP electrode as an example, Table 4 is the actual production data.It can be seen from Table 4 that by improvin... ...
Judgement for the shutdown of Acheson graphitization furnace
At the present situation of graphite electrode production in the graphitization process, power distribution system was used to control the rising rate of furnace core temperature of Acheson graphite furnace, and cumulative amount of power to achieve the final plan power outage was the basis of the shutdown of Acheson graphite furnace, which has many defects. The ideal shutdown ... ...
Three-phase multi-electrode layout submerged arc furnace power transmission and smelting
1 The layout of three-phase multiple extruded graphite electrodes in submerged arc furnaceThe smelting steps of CHP electrode in submerged arc furnace:1) Each phase of the three-phase terminal on the secondary side of the transformer is divided into at least two parallel electrode terminals, and each electrode terminal is connected with a column electrode respectively; Or, the ... ...
Feasibility analysis of graphite electrode Φ600〜800 mm for submerged arc furnace
Feasibility analysis of graphite electrode Φ600〜800 mm for submerged arc furnaceThe feasibility analysis for a high quality graphite electrode with the diameter of 600~800 mm obtained by extruding method for submerged arc furnace was achieved from the view of the technology level, market demand, energy conservation and environmental protection. A new smelting technique that six... ...
Discussion of mixing of different kinds of coal pitches on coking quality
Experimental results and discussion1 Analysis results of thermal reactivity of pitchFrom the experimental results Table 4, it can be seen that the low-quinoline refined pitch treated by the scheme 1, scheme 2, and scheme 3 has relatively good coke quality, while scheme 4 and scheme 5 have unsatisfactory coke quality to view the high quality graphite electrode information.The hi... ...
Effects of mixing of different kinds of coal pitches on coking quality
Effects of mixing of different kinds of coal pitches on coking qualitySeveral different pitches mixed with aromatic oil were carbonized in order to investigate the effects of mixing on the thermal reactivity and the coking quality. The carbonization yield, temperature sudden change and the duration were tested to view graphite products for reference. The microstructures of the ... ...
