2023-08-07

Impermeable graphite material

Impermeable graphite is an ideal material with good corrosion resistance and thermal conductivity in chemical production. It can be used to make heat exchangers, reaction tanks, absorption towers, gas combustion towers, hydrochloric acid synthesis furnaces, graphite centrifugal pumps, jet pumps, and various pipelines and joints. Impermeable graphite is divided into three categories:1. Impregnated impermeable graphite products - This is made by impregnating the graphite matrix. Impregnating agents not only reduce the porosity of graphite, but also increase the compressive strength and tensile strength of graphite materials by 1-2.5 times and 4-5 times respectively; Increase bending strength by 2-3 times; Increase the impact strength by 2-2.5 times. Commonly used impregnating agents include phenolic resin, furfural ketone resin, furfural alcohol resin, organic silicon resin, water glass, paraffin, divinylbenzene, asphalt, etc.2. Pressed impermeable graphite product - is a material made

2024-04-23

Graphite, the Light of Technology

Graphite, a seemingly ordinary mineral, shines brightly in the field of technology. Its excellent conductivity makes the operation of electronic devices more stable; Its high temperature resistance allows graphite to maintain excellent performance in high-temperature environments.The application of graphite in the field of new energy is even more remarkable. As an important raw material for lithium batteries, it provides strong support for the battery life of devices such as electric vehicles and smartphones. Meanwhile, graphite also plays an important role in renewable energy fields such as solar and wind energy, helping humanity achieve a green and low-carbon lifestyle.Graphite is the light of technology. With its unique properties and wide application areas, it drives the progress of technology and the development of human society. Let's hope that graphite can bring more surprises and breakthroughs in the future, and contribute more strength to human progress.

2022-11-22

What are the steps of carbon felt purification?

Carbon felt is a major element in many alloy products, so carbon felt purification plays an important role in alloy production. Meanwhile, in the smelting process of metal silicon, silica, ore, etc. are usually used. Silicon slag will also be produced during the smelting process, and silicon slag also contains a certain amount of industrial carbon felt, so we can use carbon felt slag to further purify carbon felt.The first step is to separate the obvious light-colored slag and dark-colored slag from the silicon slag with a manual hammer, and then use the separation principle to further separate the silicon content in the silicon slag.Impurities in silicon slag exist in two forms: reduced and unreduced. In industrial silicon, a flocculant composed of Na2O5~50%, SiO250~95% or Na2O5~50%, SiO250~95%, MgO and CaO is added to industrial silicon. With 35% flux, the melting point of the slag can be reduced from the original 1450 to about 1480 and then down to about 1000. It can also reduce th

2023-06-15

Introduction to the application of flake graphite, come and collect it!

Flake graphite is a non-metallic mineral with unique physical and chemical properties such as high temperature resistance, oxidation resistance, corrosion resistance, thermal shock resistance, high strength, good toughness, high self-lubricating strength, strong thermal conductivity and conductivity. The graphite series products are mainly used in industries such as metallurgy, machinery, electronics, batteries, chemicals, light industry, military industry, national defense, aerospace, refractory materials, etc. Flake graphite is an essential non-metallic material for modern high-tech applications.What are the characteristics of flake graphite? Let's take a brief look together.The flake graphite sheet is thin and has good toughness, excellent physical and chemical properties, good conductivity, conductivity, thermal shock resistance, corrosion resistance, etc.What are the applications of flake graphite? Let's take a brief look together.1. Refractory materials. Flake graphite is widely

2023-04-03

Three processes Clean up graphite anode board

1. Preparation before work

The service life of graphite crucibles

The application of graphite powder in the field of lubrication

The lubrication performance of graphite powder is very good. It can be applied in the field of industrial lubrication production. There are many lubricating applications for graphite powder. This is to use different specifications of graphite powder. Graphite powder can play a lubricating role. The smaller the diameter, the better the lubrication effect of graphite powder. The lubrication application of graphite powder can be used to produce various lubricating products and materials.The lubrication application of graphite powder can directly produce lubricating materials, or it can be used as composite materials. It can be processed with other materials. It can be made into graphite solid lubricants, molding agents, lubricating wear -resistant coatings, etc. Graphite powder with lubrication is made of natural scale graphite crushing processing. The scale crystalline structure of natural scales graphite has a good lubrication performance. To better, the scale graphite must be crushed

2023-07-18

Antioxidant treatment method for battery dedicated graphite

The antioxidant treatment process of battery -specific graphite includes material preparation, weight, impregnation liquid preparation, impregnated electrode treatment and dry treatment. After graphite electrode processing, it can be processed into various specifications of graphite electrode products. The processed graphite electrode is the same as the unsolvioing graphite electrode. Compared with graphite electrodes, it has the characteristics of smooth surface and good conductivity. The intensity of mechanical design can increase by 50-60%, the pore rate gradually decreases by 10-15%, and the consumption of electrode material can be reduced by 20-25%. Electrical consumption can be reduced by 20-25%.The anti -oxidant treatment of battery -specific graphite has the attributes as follows:(1) Preparation material weighing: weigh the graphite electrode, provide qualified processing materials;(2) Preparation and heating of penetrating solution: The composition of the impregnation solutio

2023-11-10

Advantages and disadvantages of graphite purification methods

Flotation method is one of the conventional mineral purification methods that consumes the least energy and reagents, and has the lowest cost. This is the biggest advantage of flotation method for purifying graphite. However, using flotation to purify graphite can only achieve a limited increase in its grade. For flake graphite, using multi-stage grinding not only cannot completely dissociate its monomer, but also is not conducive to protecting the large scale of graphite. Therefore, using flotation to further improve graphite grade is neither economical nor scientific. To obtain high carbon graphite with a carbon content of over 99%, chemical methods must be used to purify the graphite.(1) Alkali acid purification method. The carbon content of graphite purified by alkaline acid method can reach over 99%, which has the characteristics of low one-time investment, high product grade, and strong process adaptability. Moreover, it also has the advantages of conventional equipment and stro

2023-08-21

The main production process of graphite electrodes

(1) Calcination. Both petroleum coke and asphalt coke need to be calcined at a temperature of 1350 ℃ to fully remove the volatile matter contained in the carbonaceous raw material and improve the true density, mechanical strength, and conductivity of the coke.(2) Crushing, screening, and batching. Crush and screen the calcined carbon raw materials into designated size aggregate particles, grind some coke into fine powder, weigh according to the formula, and aggregate to form a dry mixture of various particles.(3) Mix and knead. Mix and knead the dry mixture of various particles with a certain amount of binder in a heating state to form a plastic paste.(4) Forming. Under external pressure (extrusion molding) or high-frequency vibration (vibration molding), the paste is pressed into a certain shape and high density of raw electrodes.(5) Roasting. Place the raw electrode in a specially designed roasting furnace, and use metallurgical coke powder to fill and cover the raw electrode. At a