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

2023-04-04

Insufficient technical investment in domestic graphite powder production enterprises

As a policy of each graphite deep processing production company, it is far from reality. The single product function is not bad, but the stability of batch production is doubtful, and the consistency of each batch of products cannot be guaranteed. A professor of deep processing and production of graphite powder believes that the exchanges of different types of different types of information for the deep processing and production of graphite powder will be a long process. The gap between many companies is that they have excellent experiments but cannot produce in batches. The following editors analyze the reasons for the lack of technical investment in domestic graphite powder production enterprises:It is not related to the automation control of the company's production line, which is a systematic problem. At present, graphite powder deep processing production equipment accounts for more than half of the imported equipment. Graphite mineral resources are a very important strategic reso

2023-10-12

What is the heating principle of vacuum furnace heating graphite tubes?

The principle is to quantitatively inject the sample into a graphite tube using a sampler, and use the graphite tube as a resistance heating element. After being energized, the sample quickly heats up to achieve atomization. The heating power supply, maintenance gas control system, and graphite tube furnace are composed. An external power supply is added to both ends of the graphite tube to supply energy to the atomizer. The current flows through the graphite tube to generate a temperature of up to 3000 ℃, causing the measured element in the graphite tube to become ground state atomic vapor. The maintenance gas control system is used to control the instrument startup of maintenance gas, maintain the flow of Ar gas, and cut off the Ar gas flow after the air combustion is completed. The Ar gas in the external gas path flows along the outer wall of the graphite tube to maintain it from being burned, while the Ar gas in the internal path flows from both ends of the tube to the center of t

2023-02-21

What are the problems encountered in the field of graphite mining?

Graphite is very common in our daily life, so what are the problems encountered in the field of graphite mining?1. The chaotic manufacturing of graphite pliers companies is developed and designed in an orderly manner. The first must be integrated with small and medium -sized enterprises to improve the excavation level of scientific research, and to prevent resource consumption caused by chaos.2. Graphite production and processing, discourage the method of changing economic benefits with production capacity. It is not possible to fill the damage in price to increase the benefits. Performable resources must not be allowed to make people at low prices.3. At the same time, at the same time, the proportion of raw material entrances and exits increases the proportion of graphite tongs production and processing products. The same graphite commodity, the price after production and processing is a thousand times the raw materials. Unparalleled in our country, with a variety of graphite mine pr

2023-03-07

Introduce the asphalt rubber pendant penetration processing process of graphite board

The general operating process of graphite immersion is after being loaded into the product, first vacuum packaging (gas in the gas in the pores in the pores of the product) and then put it in the impregnation agent to submerge the product, then pressure it to the liquid level, so that Essence It is used for different intentions, and the standards of impregnation agent processing process are not thorough. Below, I will introduce the asphalt rubber mud impregnation processing process of graphite board in detail.The whole process of processing the processing technology of asphalt rubber -soaking small graphite board, electrode connector and its graphite anode board:First of all, the semi-finished processing surface of the graphite board was burn, and then put it into the product box and put it in the temperature of about 4 hours in the temperature of about 240-Soot. After the heat, the product is quickly installed into the impregnation tank with the iron frame (the immersion can be heate

2023-08-17

Impregnation object and type of impregnating agent

In carbon products, there are several types of products that need to be impregnated:(1) Products with higher density, mechanical strength, and lower resistivity are required. Such as ultra-high power electrodes, various joint blanks, graphite anodes, mechanical carbon products, etc.(2) Impermeable graphite required for chemical equipment. For example, heat exchangers, pumps, chemical pipelines and fittings, sealing rings and sealing rings used on chemical equipment, etc.(3) Products used for producing wear-resistant materials. For example, piston rings, bearings, directional rings, sliding electrical contacts, etc.(4) Products with special requirements. Such as high-density and high-strength graphite.The commonly used impregnating agents include asphalt, synthetic resins, metals, lubricants, inorganic compounds, etc., which can be selected according to the different performance requirements of the impregnating object. When selecting impregnating agents, it is necessary to pay attentio

2023-02-08

Graphite flotation method

Floating is a commonly used and important mineral method. Graphite has good natural floating. Basically, all graphite can be purified by floating methods. In order to protect graphite scales, most of the graphite flotation uses multiple sections of processes. Graphite flotation collecting agents are generally used for kerosene, with a dosage of 100 to 200g/t. The foaming agent is generally used with pine or butad ether, and the amount is 50 to 250g/t.

The Legend of Graphite

Graphite, this black mineral, carries the legend of thousands of years. Since ancient times, graphite has been a symbol of people's wisdom. Whether in writing or painting, graphite has written a chapter of history with its unique charm. Its texture is delicate, and its color is profound. Each piece of graphite seems like a masterpiece of nature, quietly telling the story of the vicissitudes of time.In the wave of technology, graphite has demonstrated its extraordinary value. As an important industrial raw material, it plays a crucial role in fields such as metallurgy and chemical industry. Meanwhile, graphite is also a darling in the field of new energy, and its excellent conductivity and stability make it shine in fields such as batteries and electrodes. Graphite, with its toughness and durability, witnesses the progress of human civilization.However, the charm of graphite goes far beyond that. Under the influence of culture, graphite has become a carrier of art. Sculptors use graphi

2023-03-22

When cleaning graphite molds, there are still many precautions to understand

Systematic graphite mold maintenance is based on the coherence of maintenance needs and maintenance operations. In order to achieve the "cost -effectiveness" goal, cleaning graphite molds must be paid attention to. Formulate a detailed graphite mold cleaning plan. When cleaning the different parts of the graphite mold, such as cleaning inside the press, wiping along the edge, routine cleaning, and the main part of the cleaning, the cleaning operation method is also different. After the graphite mold runs a certain period of time and is tested by electroplating, magnetic labeling, and graphite molds in the ventilation holes and non -open air holes, the technical staff can determine the procedure and frequency of the graphite mold cleaning through the appearance inspection. Essence Therefore, it is very important to understand the cycle of the safe operation of graphite mold and the observation report of the accumulation and wear of residual objects inside the graphite mold. Based on gr

2023-11-16

Brief Introduction to the Use Technology of Graphite Electrodes

1. Varieties of graphite electrodesElectric arc steelmaking furnaces are generally divided into three categories, namely ordinary power electric furnaces, high-power electric furnaces, and ultra-high power electric furnaces. Corresponding to the power level of electric furnace steelmaking, graphite electrodes are also divided into three types, namely ordinary power graphite electrodes (code RP level), high-power graphite electrodes (code HP level), and ultra-high power graphite electrodes (code UHP level). The nominal diameter of the electrode ranges from 75mm to 700mm. The physical and chemical properties of high-power and ultra-high-power graphite electrodes are superior to ordinary power graphite electrodes, such as low resistivity, high bulk density, high mechanical strength, low linear expansion coefficient, and excellent antioxidant performance. The physical properties of three types of graphite electrodes are shown in Table 1.Selection of graphite electrodes for AC arc steelmak