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

2023-02-07

Natural graphite classification

The dense crystal graphite is also called block -like graphite. Such graphite crystals are obviously visible to the naked eye. The diameter of the particles is greater than 0.1 mm, which is concentrated in 0.1-1m/g than the surface area. This graphite is characterized by high quality. Generally, the carbon content is 60-65%, and sometimes 80-98%, but its plasticity and slipperyability are not as good as scales.

2023-05-22

Artificial graphite characteristics

Crystal structureNatural graphite: Crystal development is relatively complete, the graphization of scales graphite is more than 98%, and the graphitization degree of natural micro -crystal graphite is usually below 93%.Artificial graphite: The degree of crystal development depends on raw materials and thermal treatment temperature. Generally speaking, the higher the thermal treatment temperature, the higher the graphite. The artificial graphite produced by industrial production is usually less than 90%.Organizational structureNatural scale graphite: It is a single crystal, which is simpler in the tissue structure. There are only shortcomings in crystalline learning (such as defects, wrong positions, errors, etc.). The grains of natural micro -crystal graphite are small, the clutter between the grains is arranged, and there is a hole after the removal of impurities, which shows the same sex in the macro.Artificial Graphite: It can be regarded as a variety of materials, including graphi

2023-06-05

Immersion graphite

Plug -in graphite, also known as immersive graphite or immersion immersion graphite. Category of non -transparent graphite.Immersion graphitePinyin: jinzishimoEnglish name: ImpregNated GraphiteNote: Use synthetic resin to penetrate graphite to fill its surface and internal pores, and then make the heat treatment to curing the resin and make it. Compared with graphite, mechanical strength is improved and thermal conductivity is unchanged. With the difference in penetrating resin, there are different varieties such as phenolic graphite and bran glycoling graphite.

2024-04-19

The Radiance of Graphite

Graphite, a profound and brilliant mineral, attracts people's attention with its unique charm. Its color is dark and its luster is soft, as if it is a mysterious power bestowed upon it by nature. Under the sunshine, graphite sparkles with charming light, making people unable to help but fall in love with it.The brilliance of graphite is not only reflected in its appearance, but also in its value. As an important industrial raw material, graphite has a wide range of applications in various fields. Whether in the fields of metallurgy, chemical industry, or new energy, graphite plays an irreplaceable role. Its value lies not only in its practicality, but also in its scarcity and uniqueness.The brilliance of graphite is also reflected in its contribution to human civilization. From ancient times to the present, graphite has always been an important tool for people's writing and painting. It witnesses the progress and development of human civilization, and also carries the hard work and ta

2023-04-19

Ballical graphite price about the use of graphite

1. The price of spherical graphite about graphite is: including bricks, disasters, disaster, linked powder, mold, mold and refractory material detergent. Two important changes in the refractory material industry are the application of magnesium carbon bricks in the application of steelmaking furnace lining and aluminum charcoal brick in the continuous casting. Graphite refractory materials, steel and other industries have close connections. Magnesium MGO-C in the world has been widely used for steelmaking and has become the traditional use of graphite. Aluminum carbon bricks are mainly used for continuous casting carbon resistance materials, and the flat flats are protected from plate blanking from pipelines and underwater nozzles. Ferry -resistant materials and related products produced by graphite and related products, such as 坩埚, distilled and similar plug nozzles, are also stable by metal penetration and erosion. Graphite products are widely used in the process of directly related

2023-03-20

What are the main expanded graphite equipment?

The difference between expandable graphite and expandable graphite is that the expandable graphite is a process that has undergone expansion and is large in volume. The expandable graphite does not undergo expansion and has the characteristics of rapid expansion in case of high temperature. Qingdao Huatai expandable graphite can be used to produce fireproof products.

2023-05-10

How to solve the problem of device corrosion of the scale graphite

How to avoid the corrosion of the equipment on the equipment, thereby reducing the cost of equipment investment and maintenance, and improving production efficiency and profit. It is a problem that each chemical enterprise always needs to solve. Many products are resistant to corrosion but high temperature. Both. The following editors will introduce the problem of the device corrosion in detail how to solve the equipment of the scales:1. Excellent thermal conductivity. The scales graphite also has good thermal conductivity. It is a non -metal material with a thermal conductivity higher than the metal. It ranks in the front position in non -metal materials. Heat transfer equipment.2. Excellent corrosion resistance. Various types of carbon and graphite have excellent corrosion resistance to all concentrations of hydrochloric acid, phosphate and hydrofluoric acid, including fluoride-containing medium, and the maximum use temperature is 350 ° C-400 ° C. It is the temperature that starts t

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.

Graphite material type detailed introduction

Graphite material Type introduced in detail Key suitable for multi -type and small total aluminum compulsory. In other words, if you want to change the type of aluminum alloy, you must only exchange graphite . Graphite can be divided into five types based on the main use and its type. Below, everyone will introduce the graphite type in detail.1. Basic type: The ratio of the ratio of external specifications to high width is about 0.7 to 0.8 to 1. The volume is#8 ~#4500.2. Long type: longer than the basic type, the proportion of external specifications to high width is about 0.6 to 0.7 to 1. There are#15 ～#620 on the volume.3. Bowl type: The exterior specifications are relatively large, and the proportion of specifications to high and width is about 1: 1. The volume is#250 ～#5200. The larger one -time melting aluminum alloy material is about 1.5 tons.4. Bringing the shape of the mouth: close to the long -shaped soup slot. The volume is#50 ～#1800.5. The heating furnace type: cylindric