2023-02-22

How much temperature can the high -temperature -resistant graphite board be held?

How much temperature can the high -temperature -resistant graphite board be held? Graphite and golden steel are a kind of homogenic alien in carbon. There are many types of graphite products manufactured by graphite raw materials, such as graphite rods, graphite molds, high temperature resistance graphite boards, etc. The structure of high -temperature graphite board is an atomic crystal. In the middle of the oxygen atom, it is connected to a covalent price to cause a porous material that stabilizes the positive hexagon. The covalent single -key is a ion key with high keys that can be damaged with high mechanical energy.Many consumers will ask, how much temperature can high temperature resistant graphite board be held?From the perspective of characteristics, high -temperature graphite boards can resist high temperature, and there is no all problem at 1200 degrees. The more high -quality graphite board can bear high temperature above 3000 degrees. High temperature resistance graphite b

2023-03-06

What are the maintenance methods of graphite?

What are the maintenance methods of graphite? What are the ways to maintain graphite maintenance?1. Fragmentation1. Because graphite components and graphite components are all raw raw materials. If you find that there are cracks, looseness, and rupture in the parts, you may start to stuck from scratch.2. We may avoid rubbing as much as possible during the application.2. SupplierWhen maintaining graphite boxes, in order to better avoid the permanentness of the component precision, it will cause destruction during the replacement process. When you apply the process card point, film, component, etc., graphite suppliers will be given.3. Serial number application handling1. Maintain the reliability of the application and application of graphite boxes.2. Application for serial numbering for graphite, specific and execution of on -time cleaning, drying treatment, maintenance, inspection, and staff of specific majors to apply for application.

2023-04-21

What should be paid attention to when processing refractory materials with flake graphite?

Maintenance and upkeep of graphite crucibles

The graphite crucible must be strictly protected from moisture and must be stored in a dry place or on a wooden frame. When handling graphite crucibles, it is important to handle them with care and prevent them from falling or shaking. Before using them, they should be baked in a drying equipment or by the furnace to raise the temperature to 500 ℃. The graphite crucible should be placed below the surface of the furnace mouth to prevent wear and tear on the furnace cover. When adding materials, it should be based on the solubility of the crucible, and too much material should not be added to prevent tightening the crucible. The furnace outlet and crucible clamp should conform to the shape of the crucible, and the clamp in the middle should prevent damage to the crucible due to stress on the department. When removing slag and coke from the inner and outer walls of the crucible, it should be gently knocked to prevent damage to the crucible. A suitable distance should be maintained betwee

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

2023-02-20

It is critical to properly clean up graphite molds

Like other objects, graphite molds must be cleaned up after a long -term application. This is also a key factor in carrying out maintenance of graphite molds, and after cleaning up, the next manufacturing can be carried out immediately. As a result, the cleaning of graphite molds is very critical.If you want to achieve good practical effects and improve work effectiveness, proper operation steps are also crucial. During the entire process of cleaning the graphite mold, professional equipment maintenance management is created in the connection between the requirements and the actual operation. In order to complete the cost benefits, you must pay more attention when cleaning up. Especially for the different positions of graphite molds, the selected cleaning method is also likely to have a difference.Properly grasp the cleaning method of graphite molds and operate in accordance with the actual operation, which can increase the use period of the machine and equipment at a very large level

2023-09-06

What are the production characteristics of graphite electrodes?

(1) Long production cycle(2) High energy consumption(3) Multiple production processes(4) A certain amount of dust and harmful gases are generated during the production process, and it is necessary to take comprehensive ventilation and dust reduction measures as well as environmental protection measures to eliminate harmful gases.(5) The carbon raw materials required for production, such as petroleum coke and coal tar pitch, are by-products of production and processing in oil refining and coal chemical enterprises.

2023-07-27

Summary of the characteristics, distribution and purification process of scales graphite

The scale graphite is high -pressure metamorphic. After weathering, it is generally blue -gray, yellow -brown or gray -white. It is mostly produced in tingling rocks, sliced rocks, crystalline litter and silicon hacks. Symbiosis is complicated, mainly consisting of sheet -like crystalline carbon, accompanied by long -stones, Yingshi, Black Cloud Mother, Pymaline Mine, Magnetic Yellow Elephant Mine, Golden Stone and other miscellaneous minerals. The graphite in the ore is a chip -like or blade -shaped, and the black or steel gray is mainly existing between the long stones, the time, the transparency of the pyroxyl, and the permeability of the glitter. It has obvious directional arrangement and consistent with the layer. Scales graphite is mostly natural crystal graphite with a layered structure and looks like fish scales. It belongs to the hexagonal crystal system. The crystalline state is good, the particle size is 0.05 ~ 1.5 microns, the thickness of the thin piece is 0.02 ~ 0.05 mm,

2023-08-25

Factors affecting the gasification reaction of carbon materials

(1) Degree of graphitization: As the degree of graphitization of carbon materials increases, their activity towards gases decreases. The higher the final heat treatment temperature of carbon materials, the higher the temperature at which they begin to oxidize, so graphite products have a higher starting oxidation temperature than carbon products.(2) Structural state: Carbon materials with loose and porous surfaces are prone to react with gases. For example, the surface dense pyrolytic graphite treated at 3200 ℃ begins to oxidize in air at a temperature of 850 ℃, while the porous and loose charcoal on the surface begins to burn at 360 ℃.(3) Catalytic effect of impurities: Carbon materials contain impurities that have a significant impact on their gasification reaction, with varying catalytic effects. For example, iron, cobalt, nickel, copper, manganese, etc. are catalysts for the oxidation of carbon materials, while impurities such as boron, titanium, and tungsten have inhibitory effec

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