China Hunan Yibeinuo New Material Co., Ltd. Company Cases

When choosing 92% or 95% alumina ceramic sheets, you need to consider multiple factors such as the use environment, performance requirements, and cost. The following are some reference points: Use environment Chemical environment: If the ceramic sheet will be exposed to corrosive chemicals such as strong acids and alkalis, 95% alumina ceramic sheets are a more suitable choice due to their higher alumina content and better corrosion resistance. For example, in application scenarios such as the lining of chemical raw material storage tanks and the inner wall of chemical delivery pipelines, 95% alumina ceramic sheets can better resist chemical erosion and extend the service life of equipment.   Temperature environment: For high temperature environments, 95% alumina ceramic sheets have better high temperature resistance and can withstand higher temperatures without deformation or performance degradation. For example, in high temperature applications such as high temperature components of aircraft engines and heating element supports of industrial furnaces, 95% alumina ceramic sheets are more reliable. If the ambient temperature is relatively low, 92% alumina ceramic sheets can usually meet the requirements and have certain cost advantages. Mechanical environment: In high-friction, high-impact mechanical environments, such as wear-resistant linings of mining machinery, material conveying pipelines in the cement industry, etc., the high hardness and high wear resistance of 95% alumina ceramic sheets can better resist wear and impact, reduce replacement frequency, and improve equipment operation efficiency. However, if the mechanical stress is small, 92% alumina ceramic sheets can also provide sufficient wear resistance and reduce costs.     Performance requirements Strength and hardness: The bending strength of 95% alumina ceramic sheets is ≥ 300MPa, and the Vickers hardness is ≥1200HV10; while the bending strength of 92% alumina ceramic sheets is ≥ 280MPa, and the Vickers hardness is ≥1000HV10. If the equipment or components need to withstand greater pressure, wear, or impact, such as the lining plates and ceramic plungers of mining machinery, the high strength and high hardness of 95% alumina ceramic sheets can provide better support and wear resistance, and extend the service life.   Fracture toughness: The fracture toughness of 95% alumina ceramic sheets is 3.2MPa・m^(1/2), which is slightly higher than the 3.0MPa・m^(1/2) of 92% alumina ceramic sheets. In working conditions where there may be impact or stress concentration, the fracture toughness of 95% alumina ceramic sheets is more advantageous, which can reduce the risk of ceramic sheet rupture and improve the safety and reliability of components.   Electrical insulation performance Alumina ceramics have excellent electrical insulation performance. 95% alumina ceramics have better insulation performance, higher resistivity, and more stable dielectric constant. Using 95% alumina ceramics can improve the stability and reliability of the circuit, reduce the risk of leakage and short circuit, and ensure the normal operation of electronic equipment.   Cost factors The production cost of 92% alumina ceramic sheets is relatively low, and the price is cheaper. In some cases where the performance requirements are not extremely stringent and the budget is limited, such as ceramic pipes, ordinary ceramic linings, etc., 92% alumina ceramic sheets are a more cost-effective choice, which can reduce production costs while meeting basic usage requirements.

To judge the quality of wear-resistant ceramic lining glue, you can start from the following aspects:   Appearance and packaging Glue appearance: High-quality glue usually has a uniform texture, without precipitation, stratification or agglomeration. If the glue has obvious particles, turbidity, discoloration, or is uneven, it may mean that there is a problem with the quality.   Packaging label: The product name, model, specification, production date, shelf life, ingredients, instructions for use, precautions, and other information should be marked on the packaging of regular products. If the label is incomplete or unclear, it may be an irregular product, and its quality is difficult to guarantee.   Physical property test Bond strength: This is a key indicator to measure the quality of glue. It can be tested by tensile test, shear test, and other methods. According to relevant standards, the ceramic sheet bonded by glue is stretched or sheared with the substrate, and the maximum force value at the time of destruction is measured and converted into bond strength. Generally speaking, the shear strength of good quality glue should not be less than 15MPa at room temperature when steel-ceramic bonding.   Hardness: Appropriate hardness helps the glue maintain good performance in wear-resistant applications. It can be measured by tools such as Shore hardness tester. Generally, the hardness of wear-resistant ceramic lining glue is ideal between Shore D 70-90. Too hard or too soft may affect its wear resistance and impact resistance.   Flexibility: Evaluated by bending test or flexibility tester. Paste the ceramic sheet coated with glue on the flexible substrate, then bend it to observe whether the glue cracks or falls off. High-quality glue can still maintain good bonding state under a certain degree of bending deformation, showing good flexibility and being able to adapt to slight deformation of the equipment during operation. Chemical performance test Corrosion resistance: Soak the ceramic sheet coated with glue in different chemical media, such as acid, alkali, salt solution, etc., and observe the changes in the appearance and bonding properties of the glue after a certain period. After soaking for a specified time, good quality glue should not have obvious swelling, discoloration, shedding, etc., and the decrease in bonding strength should not exceed the specified value. For example, in the acid resistance test, after soaking in a 5% sulfuric acid solution for 24 hours, the glue performance remains stable.   High temperature resistance: Use instruments such as thermogravimetric analyzers and differential scanning calorimeters to simulate the use environment of glue at different temperatures, and observe its thermal stability, weight loss, and glass transition temperature. Good wear-resistant ceramic lining glue should be able to maintain the stability of its physical and chemical properties within the normal operating temperature range of the equipment, and no decomposition, carbonization, etc. will occur.   Practical application test Simulated working condition test: According to the actual working conditions of the equipment, such as the material flushing speed, particle size, temperature, humidity, etc., a similar working condition environment is simulated in the laboratory, and the test pieces with ceramic sheets are tested. Observe the wear resistance and bonding performance of the glue under the simulated working conditions. If the ceramic sheet can remain firmly bonded for a long time under the simulated working conditions, and the glue has no obvious wear and damage, it means that the glue quality is good.   Long-term use tracking: For the glue that has been used in the actual equipment, long-term tracking observation is carried out. Understand its durability, reliability, etc., during actual operation. The quality of the glue is comprehensively evaluated by regularly checking the bonding state of the ceramic sheet and the wear of the glue. If the ceramic sheet is still firmly bonded after long-term use and the glue has no obvious failure phenomenon, it means that the quality of the glue is reliable.   Quality certification and test report Quality certification: Check whether the glue has passed relevant international or domestic quality certifications, such as ISO 9001 quality management system certification, ISO 14001 environmental management system certification, etc. These certifications indicate that the manufacturer follows certain standards and specifications in the production process, and the product quality is guaranteed to a certain extent.   Test report: The manufacturer is required to provide a test report issued by an authoritative third-party testing agency. The report should include the test results of various performance indicators of the glue, such as bonding strength, hardness, corrosion resistance, high temperature resistance, etc. The test report can intuitively reflect the quality level of the glue and ensure that it meets relevant standards and usage requirements.  

Classified by Material Metal wear-resistant tube Carbon steel pipe undergoes special heat treatment or alloying treatment to improve wear resistance. Alloy steel pipes: such as high chromium alloy pipes, bimetallic composite pipes, etc., are used in high wear environments. Stainless steel wear-resistant pipe: It has excellent corrosion resistance and certain wear resistance. Nonmetallic wear-resistant tube Rubber wear-resistant tube: commonly used for conveying granular materials, with good elasticity and wear resistance. Ceramic wear-resistant tubes, such as alumina ceramic tubes and silicon nitride ceramic tubes, have high hardness and excellent wear resistance. Cast stone wear-resistant pipe: made from natural rock as a raw material, melted and cast, with extremely high wear resistance and corrosion resistance. Composite wear-resistant pipe Steel lined rubber wear-resistant pipe: A layer of rubber is lined on the inner wall of the steel pipe, combining the strength of the metal and the wear resistance of the rubber. Steel lined ceramic wear-resistant pipe: A layer of ceramic lining is applied to the inner wall of the steel pipe to improve its wear resistance and corrosion resistance. Bimetallic composite wear-resistant pipe: such as centrifugal casting composite wear-resistant pipe, the wear-resistant alloy layer is compounded with the base pipe through a special process. Classified by structure Integral wear-resistant tube The entire pipeline is made of the same wear-resistant material, such as integral ceramic pipes, integral cast stone pipes, etc. Composite wear-resistant pipe Composed of two or more materials, such as steel-lined rubber pipes, steel-lined ceramic pipes, etc. Welded wear-resistant pipe Fix wear-resistant materials on pipelines through welding, such as wear-resistant alloy welded pipes. Clamp-type wear-resistant pipe Adopting a clamp connection method for easy installation and disassembly, suitable for occasions where the wear-resistant layer needs to be replaced frequently. Classified by manufacturing processCentrifugal casting wear-resistant tubeBy using centrifugal casting technology, wear-resistant materials are cast onto the inner wall of the pipeline to form a dense wear-resistant layer. Thermal spray wear-resistant pipeUsing thermal spraying technology to spray wear-resistant materials onto the inner wall of the pipeline, forming a uniform wear-resistant coating. Welding wear-resistant pipeBy welding a layer of wear-resistant alloy on the inner wall of the pipeline through the welding process, the wear resistance of the pipeline is improved. Paste a wear-resistant tubeStick wear-resistant materials (such as ceramic tiles) onto the inner wall of the pipeline, suitable for situations that require high wear resistance. Classified by application scenarioMine wear-resistant pipeUsed for transporting high-wear materials such as ore and coal powder in mines. Electric wear-resistant tubeUsed for ash and slag removal systems in the power industry. Metallurgical wear-resistant pipeUsed for material transportation and high-temperature flue gas emissions in the metallurgical industry. Chemical wear-resistant pipeUsed for transporting corrosive media and particulate materials in the chemical industry. In summary, there are various types of wear-resistant pipes, and users should comprehensively consider factors such as specific usage environment, conveying medium, temperature, pressure, etc., when choosing to ensure that the selected wear-resistant pipe can meet the requirements of use.

In industrial production, the transmission of materials is a crucial link, and the emergence of ceramic wear-resistant pipes provides an efficient solution to solve the transmission problems of various complex materials.   Ceramic wear-resistant pipes are engineering pipes with excellent performance and are widely used. Whether it is the transmission of powders, slurries, liquids, or gases, it can easily cope with it. In industrial production, pipeline wear, corrosion,n and scaling problems often cause troubles to enterprises, and ceramic wear-resistant pipes can effectively avoid these problems, so they have broad application prospects in the field of industrial material transmission. Ceramic wear-resistant pipes have many significant advantages. Their static friction coefficient is as low as 0.02. This feature greatly reduces the resistance of materials during transmission and helps to improve transmission efficiency. Secondly, the chemical stability of its lining ceramic is extremely high, and it can resist the corrosion of chemical substances such as acids and alkalis in the material. This feature ensures that the pipeline can still maintain excellent performance when transmitting materials containing corrosive media, significantly extending the service life of the pipeline. In addition, the surface of the pipe is very smooth, which not only helps the smooth transmission of materials, but also effectively reduces the risk of scaling and reduces problems such as pipe blockage caused by scaling.   This ceramic wear-resistant pipe also has strong environmental adaptability. It can work stably for a long time in a wide temperature range of -50℃ to 800℃. In addition, it has a small thermal expansion coefficient and excellent thermal shock resistance. This means that in a working environment with large temperature fluctuations, the ceramic wear-resistant pipe will not be easily deformed or broken due to temperature changes, and can continue to maintain a good working condition. The production and processing process of ceramic wear-resistant pipes belongs to a low-carbon and environmentally friendly industry. During the entire production process, no wastewater, waste gas, or waste residue is generated, which meets the requirements of modern society for environmentally friendly production.   At present, ceramic wear-resistant pipes have been widely used in many industrial fields. Taking thermal power plants as an example, the wear-resistant effect of ceramic wear-resistant pipes is very significant in the coal-dropping pipes, boiler elbows, nozzles and other parts of the coal transportation system. It effectively reduces the pipe wear caused by the scouring of coal and other materials, ensures the stable operation of the coal transportation system, reduces equipment maintenance costs, and improves the production efficiency of thermal power plants.   With the continuous progress of industry, ceramic wear-resistant pipes will surely show their unique advantages in more fields and become an ideal choice for industrial material transmission pipelines.

The trapezoidal wear-resistant ceramic lining is a special material specially used for the protection of industrial equipment. Its unique trapezoidal structure and excellent wear resistance make it perform well in harsh environments such as steel, cement, and mines. In steel mills, cement production lines, and mines, the trapezoidal wear-resistant ceramic lining has become an indispensable and important material to ensure the stable operation of equipment in harsh environments.   The trapezoidal wear-resistant ceramic is not only unique in appearance, but also has excellent wear resistance. Whether it is the hot environment of the steel industry or the harsh working conditions such as cement and mines, it can withstand the test and play a stable anti-wear role. This lining is usually made of high-hardness alumina ceramic. Alumina ceramic has extremely high hardness and can effectively resist the erosion of various wear factors such as material impact and friction. It is firmly installed in the easily worn parts of the equipment through adhesives or mechanical fixation, which significantly improves the wear resistance of the equipment.   When the equipment is running, it frequently faces wear challenges. The trapezoidal wear-resistant ceramic lining can withstand most of the wear force and reduce the degree of wear on the surface of the equipment. It extends the service life and replacement frequency of equipment, saves a lot of costs for enterprises, reduces the number and time of equipment maintenance, improves equipment operation efficiency, and ensures production continuity.   In steel mills, high temperatures and high-speed moving materials cause serious wear on equipment. The application of trapezoidal wear-resistant ceramic lining allowsthe  equipment to work continuously and stably in harsh environments, greatly improving the safety and reliability of production. In cement production lines, the friction and impact of various materials cause great loss to equipment. Trapezoidal wear-resistant ceramic linings effectively reduce this loss and strongly support efficient cement production. In mines, complex working conditions and harsh environments have extremely high requirements for equipment wear resistance. Trapezoidal wear-resistant ceramic linings have become an indispensable part of mining equipment with their excellent performance.

Due to the drop of the material and the high hardness of the particles in the chute, it causes great wear and tear on the chute, and the lining plate needs to be replaced frequently. The core element that determines the performance and service life of the chute is the chute liner.   The chute needs to transport materials frequently, with large impact force and strong friction force, which requires the lining plate to have strong impact resistance and wear resistance. To ensure that the chute is not blocked or hung, we also need to ensure that the surface of the liner is smooth. This makes the impact-resistant, wear-resistant and smooth surface wear-resistant ceramic lining the best choice for coal preparation chutes.    The wear-resistant ceramic block is dislocated and bonded to the inner wall of the chute with high temperature resistant inorganic adhesive. The ceramic adopts the dislocation bonding process, and there is no linear gap along the medium flow direction, which effectively avoids the erosion of the ceramic gap by high-speed materials.   In the process of using wear-resistant ceramic liners, we also need to choose different models and installation methods according to different environments such as the temperature and location of the liners, and use them flexibly to improve performance and save costs.

Alumina ceramic pipes can be divided into two types: ceramic patch and ceramic overall ceramic ring. Let's take a look at how to correctly choose these two wear-resistant ceramic pipe processes. Ceramic patch wear-resistant ceramic pipe Ceramic patch wear-resistant pipeline uses high temperature resistant strong adhesive to paste alumina or zirconia wear-resistant ceramic sheet on the inner wall of the pipeline, and then heat and solidify to form a firm anti-wear layer. Ceramic patch pipes have excellent wear resistance, corrosion resistance, heat resistance, and other properties. The price of wear-resistant ceramic pipes with ceramic sheets is relatively affordable, and the wear resistance is also very good. It is generally used for large-area construction, and pipes can be pasted regardless of size. The construction speed is fast, the production process is relatively simple, and the production cycle is short. , The cost is relatively low, mainly used in tailings transportation, slag transportation, coal powder transportation, river sand transportation, dust removal systems, slag transportation, slag transportation, ash discharge systems, etc.    Ceramic ring wear-resistant ceramic pipe A pipelined ceramic ring, also known as a one-piece ceramic pipe, is assembled by pouring wear-resistant ceramic pipe fittings into the steel pipe with special filler after the whole is fired. The inner wall of the pipeline is smooth, the sealing performance is good, and it has good wear resistance and corrosion resistance. Compared with ceramic patch pipes, the overall ceramic ring lined with ceramic pipes will be more expensive. The advantage is that the thickness can be made very thick, and its comprehensive service life is relatively high, and it will not be affected by temperature. If your budget is relatively large, And if you want to use it for a long time without any major problems, you can choose this type of ceramic pipeline, which is mainly used in the lithium battery industry, river sand transportation, tail gas treatment, limestone transportation, coal powder transportation, mineral powder transportation, Cement delivery.

Among many coal preparation technologies, the dense medium cyclone coal preparation technology using centrifugal force separation is the most efficient one in the current gravity coal preparation methods. Therefore, it is very important to improve the wear resistance of the heavy medium cyclone in the main washing equipment and prolong the service life of the cyclone. The use of alumina wear-resistant ceramic liner can improve the wear resistance of the heavy medium cyclone.   Wear-resistant ceramic liner is a popular high-performance ceramic, which is widely used in various fields due to its high-cost performance. Combined with the current market demand for coal preparation, it is more suitable to use alumina ceramics as wear-resistant linings for heavy medium cyclones, which can basically meet the requirements of the wear conditions of intermediate cyclones and meet the current actual situation.    The reason why the wear-resistant ceramic liner has such an effect is that the wear-resistant ceramic liner has high-temperature resistance, wear resistance, corrosion resistance, shock resistance, thermal expansion, and contraction resistance, and can also exert high strength and high toughness. Features, through the integrated design, can be easily replaced and installed.   The wear-resistant ceramic liner can work for a long time without falling off. It can run in an environment of 500 degrees Celsius for a long time, and the general working conditions can meet such temperature conditions; under the same conditions, the wear-resistant ceramic lining plate is 10 to 20 times more wear-resistant than ordinary pipes.   The hardness of wear-resistant ceramic products is second only to diamond in the world, which is beyond the reach of wear-resistant steel and stainless steel products. Wear-resistant ceramics are pasted with high-strength ceramic structural adhesive, which ensures long-term operation under high-speed rotation and does not fall off, and ensures the service life of the product.

Roller ceramic lagging is an important part and component of the belt conveying transportation system. The lagging drum can effectively improve the operation of the conveying system and protect the metal drum from being worn. The lagging surface of the ceramic rubber sheet can increase the size of the rubber sheet. The surface friction force can effectively prevent the sliding friction between the drum and the belt, reduce the slippage of the belt, and reduce the material adhesion on the surface of the drum, thereby reducing the deviation and wear of the belt, improving the operation efficiency, and making the drum and the belt run synchronously. To ensure the efficient and large-capacity operation of the belt. They are widely used in power plants, coal mines, cement plants, steel, metallurgy, coal, fertilizer, grain depots, ports and other industries.    The drum is the main component for transmitting power. The rubber-coated drum of the belt conveyor generally conveys the mixture of bulk materials (ore, coal), and the equipment operates continuously for a long time, which requires the drum to have high wear resistance, extremely high tensile strength, and resistance to tear properties. The drum is also susceptible to weather (eg rust, sludge) if operated in the open air. The traditional rubber roller is easy to wear, slip, and run, and damage the conveyor belt, resulting in a decrease in the conveying load of the belt conveyor and frequent equipment replacement.   When the drum drives the belt conveyor, it is necessary to increase the friction between the mechanical transmission conveying and the surface of the drum to reduce the mutual wear of the conveyor belt when the surface of the drum slips, provide stable running traction and prolong the service life of the belt and drum.   The wear-resistant ceramic lagging developed by our company is made of corundum ceramic embedded on the surface as the anti-wear layer, and polyurethane, which is famous for wear-resistant rubber, as the vulcanized layer, and then bonded with imported high-strength adhesive. The service life is more than 10 times that of rubber-coated rollers.

Wear-resistant ceramic glue, also known as wear-resistant ceramic adhesive and wear-resistant ceramic adhesive, refers to a high-grade wear-resistant ceramic sheet or lining plate used to paste the wear-resistant ceramic sheet or liner on the surface of the equipment substrate to protect the equipment substrate from wear. Performance adhesive.   It is difficult to realize the connection between the wear-resistant ceramics and the metal parts of the equipment by traditional connection methods such as welding. The use of wear-resistant ceramic glue for bonding to realize the connection between the wear-resistant ceramics and the metal parts of the equipment has been a practice test in recent years. An effective way to connect. After development, this technology has been applied to steel, electric power, metallurgy, mining, cement, port, machinery and other industries and has been widely used and recognized.    Wear-resistant ceramic glue can be used to stick the wear-resistant ceramic sheet very firmly on the surface of the equipment that is severely eroded by the material, prolong the service life of this equipment, and reduce the maintenance of such equipment, so as to reduce the replacement of new equipment and reduce equipment operation and maintenance. The purpose of reducing the production loss of enterprises caused by downtime.   There are many types of wear-resistant ceramic adhesives, and different types of adhesives are suitable for different working conditions. The common types of working conditions are as follows: 1. Equipment washed by ash powder at a temperature below 120°C and equipment subjected to strong erosion or erosion wear of materials 2. Paste the wear-resistant ceramic sheet below 120°C on the top surface and facade of the equipment. 3. It is used to paste the wear-resistant ceramic sheet of the fan impeller. 4. Medium-speed coal mill cones, coarse powder separators, powder discharge fans, coal powder pipes, and other equipment subject to ash erosion, as well as equipment subjected to strong erosion or erosion wear in steel, cement, chemical, and other industries.   The amount of wear-resistant viscose depends on the thickness of the ceramic sheet, and the thicker the ceramic sheet, the more viscose is used. The thickness of the ceramic sheet is 10-30mm, the amount of viscose per square is about 2-2.5kg, the amount of viscose per square of 8-10mm is about 1.5-2kg, the size of the ceramic sheet is less than 6mm, the amount of viscose per square is 1-1.5 kg. It is not that the more glue is used, the better the pasting. On the contrary, the overflow of glue between the ceramic sheet and the ceramic sheet due to the excessive amount of glue will seriously affect the use effect of the ceramic sheet, and will seriously affect the falling off.