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 Before filling, the electrode paste shall be broken into 80 ~ 100mm small pieces, so that the electrode paste can pass between the two ribs smoothly. If the particle size is too large, the electrode paste suspension fault is easy to occur; If the particle size is too small, it is easy to cause paste spraying. It is better to buy the finished electrode paste. If the material supplied by the manufacturer is qualified, it can be directly filled. The powder of broken electrode paste is reduced, the utilization rate of electrode paste is improved, and the cost of calcium carbide is reduced. Use a forklift to transport the electrode paste to the carbide furnace with a trolley or special tools, and use an electric hoist to lift the electrode paste into the electrode barrel. Pay attention to lifting * during filling. 　　When installing the electrode paste, pay attention not to scatter the electrode paste on the equipment outside the electrode barrel, so as to avoid the electric ignition a

 　　Use process and consumption of electrode paste in terms of use characteristics, electrode paste is a continuous self baking electrode. During use, its outer layer is a cylinder made of 1-2mm thick steel plate. 　　The electrode paste is regularly added into the cylinder. With the progress of production, the electrode paste is gradually softened, melted and roasted. During roasting, a large amount of volatiles are released. After entering the conductive clip of the electrode, due to the high-temperature effect, it is from semi coking to complete coking, * and becomes a conductive carbon electrode. The electrode paste is baked into a conductive electrode by various heat of the electric furnace itself, so it is called a self baking electrode. During the working process of the electrode, a section of cylinder is connected to the top of the electrode at regular intervals, and a certain amount of electrode paste is added, and the process is repeated.

 When the sintering temperature of the electrode paste is between 300 and 800 degrees, because the volatile matter of the coal tar pitch has been discharged, the remaining coal tar pitch has been carbonized to form a network, and it is fused with various electrode paste raw materials, and the mechanical strength reaches the standard value. Our Rongxin Carbon technicians have calculated that the compressive strength of the electrode paste at this time is 17-33 MPa, the flexural strength is 7--17 MPa, and the tensile strength is 4--8 MPa. After the electrode below the copper tile of the submerged electric furnace enters the smelting process, the temperature of the electrode will rise further due to the further increase in the temperature of the raw material, and the mechanical strength will increase with the rise in temperature. The temperature of other materials rises to 1500 degrees. When the mechanical strength drops sharply, such as heat-resistant alloys, the mechanical strength of c

 70% of aluminum electrolytic cell failures occur in pre-baked anodes. Anode failures that often occur in electrolyzers include: partial overheating of the anode, uneven current distribution, anode dropout, anode long bag, anode crack fault, anode block shedding, a large amount of carbon slag falling into the electrolyte to make it carbon-containing, oxidation and combustion around the anode, and The anode is tilted and so on. These failures are mainly caused by the quality of pre-baked anodes and improper electrolysis operations. 1. The anode drops off. The pre-baked anode may cause the anode carbon block to separate from the steel claw due to the poor casting of the phosphorus pig iron or the defect of the anode carbon bowl. When this phenomenon occurs, it is necessary to remove the carbon anode from the electrolytic cell and replace it with a new pre-baked anode. When the anode carbon block has large cracks, the block will also be cracked. 2. Long anode bag. Due to the uneven intern

 The graphite material is mainly composed of polycrystalline graphite. Graphite is a multi-layer laminated crystal with a hexagonal planar network structure between carbon atoms. Although graphite material is an inorganic non-metallic material, it has good thermal and electrical conductivity, and at the same time has a thermal expansion coefficient far lower than that of metal, a high melting point and chemical stability, which makes graphite materials very useful in industrial applications. High value. Graphite materials are chemically inert in non-oxidizing media and have good corrosion resistance. Except for strong acids and strong oxidizing media, graphite materials are not corroded by other acids, alkalis, and salts, and hardly react with organic compounds. . Graphite material is also a kind of high temperature resistant material. Graphite will not melt under high temperature, but at 3350 under normal pressure. C began to slowly sublimate into gas. The strength of general material