2023-03-02

Talk about the hazard factors before the use of graphite.

Talking about the dangers of the storage hazards before the use of graphite crickets, the harm of the natural environment of Graphite to the performance of the natural environment is accumulated over time, and the harm is very large. Generally, it is stipulated that it is stored in a natural environment that is clean and irritable. Let's put it on the fixed wooden shelf to support the molten aluminum graphite. Difficulty in transportation, although graphite has very good thermal resistance, it is a very very easy to crush object. In the whole process of application and transportation, it is necessary to pay attention, and it should not make it a serious injury and other conditions.The value in the sales market is not very high, in fact, it is wrong to think so. Graphite looks very simple, it is commonly used in installing a variety of liquid state. However, in the industry lacks it, it will have a very large problem. Except for the industry's chemical manufacturing industry, it is no

2024-03-12

Graphite: the "black gold" mystery of natural minerals

Graphite, this seemingly ordinary black mineral, actually contains endless mystery and value. As the "black gold" in natural minerals, graphite plays an irreplaceable role in many fields with its unique physical and chemical properties.Graphite has excellent electrical conductivity, thermal conductivity and chemical stability, which makes it widely used in electronics, metallurgy, chemical industry and other industries. At the same time, graphite is also an important raw material for the manufacture of pencil leads, lubricants and refractories. Its unique layered structure makes graphite also have broad application prospects in the field of energy storage.However, the mining and processing of graphite is not easy. Because of its low hardness, fragile and dust is easy to fly, it puts forward high requirements for mining technology and environmental protection. At the same time, with the continuous progress of science and technology, people's performance requirements for graphite are be

2023-09-07

Methods and Classification of Mechanical Processing

The processing methods for different types of carbon graphite products are different. In summary, the mechanical processing methods for carbon graphite products include: turning, drilling, planing, grinding, milling, cutting, and others.Car: mainly used for processing circular surfaces, such as the inner and outer circles of the car; In addition, it is used for threading, and can also be used for flat end faces, boring, and cutting. The commonly used machine tool is a lathe, which processes products such as steel making and submerged arc furnace electrodes, mechanical carbon graphite bearings and sealing rings, various small carbon rods, graphite crucibles, and graphite tubes for movies, batteries, and electric arcs.Planing and milling: Mainly used for machining flat surfaces, commonly used machine tools include planing and milling machines. Mainly used for processing graphitized anodes, chemical anode plates and various carbon blocks, hard alloy sintering boats, plates, pallets, meta

2023-12-26

Graphite structure composition

Graphite is a transitional crystal between atomic crystals, metal crystals, and molecular crystals. In the crystal, covalent bonds are formed by sp2 hybridization between carbon atoms on the same layer. Each carbon atom is connected to three other carbon atoms, and six carbon atoms form a regular hexagonal ring on the same plane, extending to form a layered structure. Carbon atoms in the same plane each have one p orbital left, which overlaps with each other to form delocalized π - bonds. Electrons can freely move in the lattice and be excited, so graphite has a metallic luster and can conduct electricity and heat transfer. Due to the large distance between layers and the low bonding force (van der Waals force), each layer can slide, resulting in a lower density of graphite compared to diamond, a softer texture, and a smoother texture. [1]The distance between each layer of graphite is 3.40 Å, which is combined by van der Waals forces. The layers belong to molecular crystals, and the d

2023-02-22

Detailed introduction of the five major industrial production of graphite mold

Below, the main purpose of industrial production of graphite molds is shared with the old iron.1. Graphite molds can be used as conductive raw materials in industrial production. The key to using the various aluminum alloys of the medium -frequency furnace or mineral thermal heating furnace smelting factory, the strong current will cause the electric orphan according to the electrophoretes of the graphite mold. Electromagnetic can be converted into energy to increase temperature, which can achieve the manufacturing standards and manufacturing standards reflected.2. Graphite molds can be used as structural raw materials for corrosion in industrial production. Because the raw materials in graphite mold have excellent corrosion resistance, it can often be used in products such as stainless steel plates.3. Graphite molds can be used as film compression and mold application in industrial production. Because its line expansion coefficients are small and high -temperature resistance and cool

2023-04-03

The shortcomings and prevention of graphite mold heat treatment process

The main impregnating agents currently used for graphite

(1) Carbon based materials: Most carbon based materials use asphalt, but in order to control the filling rate, tar or asphalt is often mixed with low carbonization rate and low viscosity carbon based materials such as tar and creosote. They are carbonized through heat treatment after impregnation, so the residual material entering the pores is only carbon. The carbon process is currently a standard carbon process aimed at improving density, strength, conductivity, thermal conductivity, corrosion resistance, and wear resistance. It has become the most common treatment method for general carbon materials, especially in the production process of fine structured graphite and UHP electrodes for electric furnace steelmaking. It is an indispensable process. In order to achieve the same goal, there are also cases of impregnating synthetic resin and then roasting and carbonization. The carbonization of synthetic resin generally generates hard carbon, which is characterized by greatly increasin

2023-03-09

Many new main uses of graphite have already been developed and designed

Many new main uses of graphite have long been developed and designed with the development trend of scientific and technological progress. Graphite has many new main uses. High -purity graphite products are used for high -purity metallurgical industry, electronics industry, Chinese nuclear industry and mold processing; general graphite products can be used as a wall -building raw material for mining with aluminum electrolytic grooves, non -metallurgical tunnel furnaces, and non -ferrous metal furnaces. Calcium residual raw materials can be used as carbon increases for ironmaking industry. There are many types of carbon quality raw materials used to seepage nitrogen, including artificial synthesis of graphite, petroleum coke, casting focus, and pure natural graphite.Graphite products are at least within 2000 degrees. This is because carbon must be graphite at a high temperature natural environment of 2000-3300 degrees at a high temperature and natural environment of at least 10 days and

2023-08-01

Spherical graphite

Spherical graphite is a graphite product that is made from high-quality, high carbon natural flake graphite and uses advanced processing techniques to modify the surface of the graphite. It produces graphite products with different fineness, resembling elliptical spheroids.Spherical graphite material has good conductivity, high crystallinity, low cost, high theoretical lithium intercalation capacity, low and flat charge discharge potential. It is an important part of the negative electrode material for lithium-ion batteries and a replacement product for negative electrode materials used in foreign lithium-ion battery production. It has excellent conductivity and chemical stability, high charging capacity, long cycle life, and is green and environmentally friendly.The process of processing spherical graphite first involves roughly crushing, dressing, magnetic separation, and other processes in the spherical graphite workshop to form the initial product spherical graphite. Then, it ente

2023-08-15

How to classify the carbon material production industry

In the development history of China's carbon material industry, the management scope is mainly divided according to the application direction and distribution system of carbon materials. There are roughly the following types of carbon material production enterprises:(1) A carbon material enterprise that produces graphite electrodes, graphite anodes, carbon blocks for metallurgical furnaces, and self baking electrodes primarily for the steel, metallurgical, and chemical industries. Its main products are graphite electrodes, graphite anodes, carbon blocks, and electrode paste for electric arc furnaces. The equipment and technology for producing graphite electrodes can also be used to produce high-strength, high-purity, and high-density graphite. These carbon materials have a wide range of applications in the nuclear industry, aerospace industry, and other industries.(2) Enterprises that produce carbon materials for power supply and aluminum electrolysis. The electrolytic aluminum indust