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

The wear-resistant ceramic lining board solves the wear problem for heavy wear industries such as cement, steel, mining, lithium battery, and metallurgy. The main material of the wear-resistant ceramic lining board is alumina, and its fracture toughness KΙC≥4.8MPa•m1/2, bending strength ≥290MPa, compared with metal materials such as steel, the impact resistance is not very strong, but through some special processes, the impact resistance of wear-resistant ceramic linings can be greatly improved, so what is the impact resistance of wear-resistant ceramics? Woolen cloth? How to improve the impact resistance of wear-resistant ceramic liners?    Surface design with spherical protrusions The unique mechanical properties of spherical protrusions can evenly disperse the impact force on the liner, reducing the possibility of the liner being broken by the impact. It is a relatively common method to improve the impact resistance of wear-resistant ceramic liners.   Increase the rubber area on the surface of the liner The wear-resistant ceramic liner is mainly used in combination with rubber. We can make full use of the characteristics of the weak impact resistance of ceramics and the strong impact resistance of rubber, and give full play to the advantages of both. Ceramics are used for wear resistance and rubber for impact resistance. During the process, some rubber is exposed on the surface of the liner (round ceramic sheets can be used). It should be noted that as the rubber area on the surface of the liner increases, the ceramic area will decrease accordingly. While the impact resistance is improved, the wear resistance will be reduced. When using it, it needs to be considered comprehensively according to the actual working conditions.   Alumina for toughening treatment The impact resistance of alumina wear-resistant ceramics is indeed weak, but this problem can be solved by spherical design, vulcanized rubber, and adding zirconia, so that wear-resistant ceramic linings can adapt to most heavy wear and strong impact conditions.

Through the promotion and application of bimetallic wear-resistant pipes in recent years, it has been vigorously applied in electric power, metallurgy, mining, coal, cement, and other industries. Its safety, reliability, impact resistance, and wear resistance are superior to those of other materials. Pipelines are incomparable, especially in the working conditions of large particles, high speed, and long-distance transportation, which show its superiority. Its market application is growing rapidly, and it is a good product worthy of promotion and application. Bimetal wear-resistant pipe, the outer layer is carbon steel pipe, the inner wall is lined with KMTBCr28 high-chromium cast iron wear-resistant layer, and it is formed by negative pressure casting of lost foam, which has high wear-resistant characteristics and is currently the mainstream industrial wear-resistant type. This product has The following features: High pressure The outer wall of this product is made of seamless steel pipe, which is the key technology for high pressure. The material and wall thickness of the outer wall pipe determines the strength of the composite pipe. According to the operating pressure of the pipeline, the appropriate outer wall pipe material can be selected. The inner lining is only made of high-chromium-nickel alloy. It is responsible for resisting abrasive wear without bearing high pressure, so this product is suitable for pipelines with high pressure, high concentration, and long-distance transportation. Compared with rare earth wear-resistant steel series and steel-ceramic composite pipelines, it can ensure safe operation.   Good wear resistance The high-chromium-nickel composite metal lining the pipeline is a material with extremely high wear resistance, with a hardness of HRC50-60; the special compound modifier is used to refine the grains, which greatly improves the toughness and tensile strength of the product. The shell protection of the seamless steel pipe provides a reliable guarantee for the excellent performance of the high-chromium-nickel alloy material. Compared with rare earth wear-resistant steel pipe (HRC35-45), it has high wear resistance, large pressure bearing, and good weldability. Compared with steel-ceramic composite pipe, it has equivalent wear resistance, but the combination of double-layer metal is much stronger and Better than steel-ceramic combination, high safety. The elbow is made eccentrically, and its wear resistance is much higher than that of steel-ceramic composite pipe. Therefore, the comprehensive performance of the steel-high chromium-nickel composite pipe launched by our company is better.   Easy to install The outer wall adopts seamless steel pipe series specifications, which significantly facilitates the design and installation of pipe fittings, and at the same time has good welding performance, can be welded, flanged, etc. The weldability of the rare earth wear-resistant steel pipe and the cutting property of steel-ceramic are solved, and the construction progress is accelerated.   High-temperature resistance The high-chromium-nickel alloy lining can be applied without deformation and oxidation under 600 degrees Celsius and maintains high wear resistance. It has opened up a new field of high-temperature, wear, oxidation, and corrosion resistance and expanded the product range. scope of application. Five, good corrosion resistance The corrosion resistance of high chromium-nickel alloy to less than 5% sulfuric acid, hydrochloric acid, hydrofluoric acid, and caustic soda is more than 99%. The economic benefit of the high-chromium-nickel wear-resistant composite pipe is even more significant when it is applied under the conditions of transporting the above-mentioned corrosive medium.   Good appearance, anti-fouling The outer wall of this product is made of seamless steel pipe, which greatly improves the appearance quality of the product. After installation, the engineering level can be improved. The inner wall of vacuum and centrifugal casting is smooth, which greatly improves the anti-fouling ability of the pipeline. In the case of partial blockage of the pipeline, it can be knocked, cut, and replaced at will, which is very convenient to use.

The wear-resistant elbow is a pipeline connection part commonly used in industrial engineering. It is widely used in thermal power, metallurgy, steel and cement, and other fields. Common materials for wear-resistant elbows Special high-temperature glue is often used to paste wear-resistant ceramic sheets inside the steel pipe elbow when producing wear-resistant elbows. Therefore, we also call the elbow a ceramic-lined pipe, also known as a wear-resistant ceramic elbow. With the development of science and technology, the materials for making wear-resistant elbows are also constantly improving. Common materials include cast stone, cast steel, alloy, and centrifugal-casting composite ceramics.      Production of wear-resistant backpack elbow In some environments where the on-site working conditions are very harsh, in order to protect the elbow from wear and tear due to material wear, on the basis of the existing wear-resistant elbow, a wear-resistant backpack is added to the arc of the back. The wear-resistant elbow of the backpack is a wear-resistant elbow backpack made of steel pipe, which is filled with uniform wear-resistant materials so that the filler is not easy to fall off. In addition, wear-resistant ceramic materials need to be installed inside the wear-resistant elbow as a lining, which can achieve a double-layer wear-resistant effect, thereby further prolonging the service life of the wear-resistant elbow. Application of wear-resistant elbow The wear-resistant elbow made of high-hardness material has the characteristics of high wear resistance, which can maintain high transmission efficiency and wear resistance at high temperatures. Wear resistance mainly depends on materials and working conditions. Common wear-resistant materials include forged wear-resistant steel, martensitic manganese steel, moderately heat-treated low-alloy steel, and graphite steel. Wear-resistant elbows are widely used in wear-resistant pipes in power plants, steel mills, and coal preparation plants. The wear-resistant elbow is an important component in engineering, which is used to solve the problem that the elbow is easily damaged. Wear-resistant elbows are made of various materials and have the characteristics of high wear resistance. When selecting a wear-resistant elbow manufacturer, you can judge by understanding its technical standards and production strength. I hope the above information can be helpful to everyone.

Wear-resistant ceramic liners have solved the problem of anti-wear for many heavy-wear fields such as steel mills, power plants, and cement plants, protected equipment, reduced maintenance costs, and to a certain extent can save time, improve efficiency, and even improve product quality. However, many heavy-wear areas are also accompanied by high-temperature conditions. Under such conditions, the ordinary wear-resistant ceramic installation method will become very unstable and prone to porcelain falling off. The wear-resistant ceramic liner with a dovetail slot solves the problems of wear and impact in high-temperature environments, it can run stably at a high temperature of 750°C through practical tests.   What is dovetail alumina ceramics? Dovetail wear-resistant ceramics for card slots are a special shape of ceramics, that can be fixed to the equipment by mechanical force without the use of ceramic glue, stud welding, and other installation methods.   How to install dovetail wear-resistant ceramics? When installing, first weld a dovetail guide rail on the wear area of the equipment, and then interlock the dovetail wear-resistant ceramic slot with the guide rail to form a mechanical self-locking force to complete the installation.   What are the advantages of a dovetail ceramic lining board? 1. High-temperature resistance, stable operation without falling off: the wear-resistant ceramics of the dovetail card slot are installed and fixed by mechanical force, will not be affected by high temperature, and can run smoothly even at high temperatures of seven to eight hundred degrees. 2. Wear resistance: The wear-resistant ceramics of the dovetail card slot only change the shape of the ceramics, and the high hardness and wear-resistant properties of the ceramics themselves have not changed, and the wear-resistant effect is excellent. 3. Impact resistance: Due to its special shape, the wear-resistant ceramics of the dovetail card slot are often thicker, so they have strong impact resistance.   What fields are wear-resistant ceramic liners for dovetail slots suitable for? The production process of dovetail ceramics is relatively complicated and the cost is high, so it is rarely used in ordinary occasions, and most of them are used in high-temperature conditions, such as thermal power plants and steel plants.  

The pipeline is a standard delivery system equipment used to transport various raw materials and substances, which is equivalent to blood vessels in industrial production. However, due to the flow and friction of materials and the importance of the pipe, the pipe wall may be damaged, so there is a need for a long-lasting wear-resistant pipe. Different types of wear-resistant pipes have different materials and different applications. Abrasion-resistant piping materials fall into the following categories: 1. The main material components of metal wear-resistant pipes are generally wear-resistant steel, alloy materials, surfacing materials, etc., which can be used in various complicated industrial and mining industries such as continuous high-temperature coal ash pipes, tailings pond backfill soil mines, and coal preparation plant pipes. enterprise. Its stability is good, but its main disadvantages are relatively high cost and net weight. 2. The main component material of wear-resistant ceramic pipes is silicon carbide or aluminum oxide, which can be used in high-quality transportation systems such as lithium batteries and silicon slag. It can also be used in working conditions with greater impact and wear. Wear-resistant ceramic pipes have good wear resistance, corrosion resistance, high temperature, and low-temperature resistance, are lightweight, and are currently widely used wear-resistant pipes. 3. High-molecular polyethylene wear-resistant pipes are mainly used for cement mortar transportation. It has the advantages of low cost, smooth inner wall, and good corrosion resistance, but it is not heat-resistant and cannot transport coarse particles or dry materials. Different wear-resistant pipes can be used in different working conditions and have different effects. You can choose suitable wear-resistant products according to different working conditions.  

Abrasion-resistant pipes are widely used in various industries. Among them, in the new energy lithium battery industry, stainless steel ceramic elbows or straight pipes are often used. According to the different working conditions and environments of the product, the curvature radius of the elbow, the length of the pipe, the thickness of the ceramic material, and the size of the steel pipe are also different. Each design is very important. The role of pipes.   In the ceramic wear-resistant elbow used in the powder feeding pipeline of the power plant boiler, the curvature radius of the elbow is determined according to the requirements of the drawings, generally 6-10 times the curvature. To effectively alleviate the wear degree of the pipeline, the design curvature should be used as much as possible. An elbow with a larger radius has a longer service life.   When the tailings slurry is transported in the mining industry, the radius of curvature of the wear-resistant elbow is generally between 2D and 5D, which can achieve better results.   When transporting pulverized coal pipelines in cement and coal lines, Abrasive elbows are often used with a radius of 10D-15D, which can ensure the smooth transportation of the powdered materials. In this way, the wear and tear on the pipelines will be higher. Small.   Therefore, it is very necessary to design reasonable wear-resistant ceramic elbows for different working conditions. Reasonable design can maximize the wear resistance of ceramics. Increase the service life of pipes.  

Wear-resistant pipes are mainly used for material conveying pipes such as pneumatic and pumping slurry. Transmission has spread all over the electric power, metallurgy, coal, petroleum, chemical, building materials, machinery, and other industries, and is developing at a high speed. Wear-resistant pipes are widely used in coal-fired thermal power plants for powder feeding, slag removal, ash transport, filling materials, ore concentrate, and tailings transportation systems that are severely worn.   Wear-resistant pipe materials are classified as follows: Rare earth wear-resistant alloy tube: the material is rare earth wear-resistant alloy steel; Bimetal wear-resistant composite pipe: the material is 20#+ high chromium alloy; Tortoiseshell high temperature wear-resistant composite pipe: the material is 20#+ corundum high wear-resistant lining material; Wear-resistant ceramic patch tube material: 20#+ aluminum oxide patch or silicon carbide; Sintered ceramic tube material: 20#+ aluminum oxide; Steel rubber wear-resistant pipe material: 20#+ wear-resistant rubber; Steel-plastic wear-resistant pipe material: 20#+ PTFE or polypropylene; UHMWPE composite pipe material: 20#+UHMWPE; Wear-resistant cast stone pipe material: 20#+ cast stone, etc.   Wear-resistant ceramic tube performance: Wear-resistant ceramic composite pipes quickly occupy the market, in addition to high quality and good performance, but also because their cost performance is higher than other wear-resistant, corrosion-resistant, and heat-resistant pipes. In terms of wear-resistant pipes of the same specification and unit length, the weight of wear-resistant ceramic composite pipes is only half of that of wear-resistant alloy cast steel pipes, and the project cost per meter is reduced by 20%-30%; only one-third of the weight of cast stone pipes First, reduce the project cost by 5%-10% per meter; the cost performance is more outstanding, in contrast, everyone is more willing to choose alumina ceramic lined pipes.

The performance characteristics of wear-resistant ceramic tube:   1. Super wear resistance, its hardness is second only to diamond, and its service life is 20 times that of ordinary carbon steel pipes.   2. Never fall off, the high-reliability gasket between the plug-in connections, the glue will not fall off when it ages, and at the same time control the height difference to reduce the risk of leakage.   3. Good integrity, smooth inner wall, smooth airflow, less wear; small pressure loss, and high conveying efficiency.   4. There is no linear gap between the bushing and the viscose filling layer, and the acid and alkali resistance is good.   5. Iron isolation, improve the quality of ceramic lining, reduce pipe wear, and solve the problem of iron impurities in powder caused by steel pipe wear.   Application of wear-resistant ceramic tube:   1. Application of wear-resistant ceramic pipes in the metallurgical power industry: Metallurgy and power industries need to consume a lot of metal pipes to transport coal powder, ash, mud, and lime gypsum slurry, etc. The use of ceramic composite pipes to replace different pipes has high wear resistance, long service life, convenient installation, and significant economic benefits.   2. Application of wear-resistant ceramic pipes in mining and coal industries: (1) Mine: Mine filling, concentrate and tailings pipelines are seriously worn.   (2) Coal: Coal preparation and long-distance pipeline transportation generally adopt wet transportation. The delivery pipe is required to be both wear-resistant and corrosion-resistant. The pipe can be used as a long-life delivery pipe with considerable economic benefits.  

Pneumatic ash conveying pipelines in thermal power plants are seriously worn, resulting in fly ash everywhere, which not only affects production but also causes great pollution to the environment. In the past, we generally used this to reduce the air pressure during soot blowing. This reduces wear and saves energy. Although this method can prolong the life of the ash conveying pipeline a little, it cannot fundamentally solve the wear and tear problem.   Pneumatic ash removal pipelines are seriously worn. Generally, there is a problem with the material selected for the pipeline. Wear-resistant materials are required. It is recommended to use wear-resistant ceramic elbows. The wear-resistant ceramic elbow is manufactured with high-tech production technology. The wear-resistant ceramic elbow comprises three layers of corundum ceramic, a transition layer, and steel from the inside to the outside. The ceramic layer is formed at a high temperature above 2200 ℃. , form a firm bond with the steel pipe through the transition layer.   The wear-resistant ceramic elbow produced by our company has a lifespan of dozens of times that of ordinary elbows. It has good wear resistance, heat resistance, corrosion resistance, mechanical and thermal shock resistance, and good weldability. It is an ideal wear-resistant and corrosion-resistant pipeline such as material, grinding and corrosive media, which is not easy to age and fall off.   Due to the wear-resistant, corrosion-resistant, and heat-resistant properties of wear-resistant ceramic elbows, they can be widely used in electric power, metallurgy, mining, coal, chemical, and other industries to transport sand, stone, pulverized coal, ash, aluminum liquid, etc. It is an ideal anti-corrosion elbow.  

Wear-resistant pipe of polymer material: Materials based on polymer compounds. Including rubber, plastics, fibers, coatings, and adhesives. Rubber is a kind of linear flexible polymer. The polymer fibers are divided into natural fibers and chemical fibers. Plastics are mainly composed of synthetic resins or chemically modified natural polymers. Main features: low strength, high plasticity and toughness.   Wear-resistant pipes of inorganic non-metallic materials: Inorganic non-metallic materials are materials composed of oxides, carbides, nitrides, halogen compounds, borides and silicates, aluminates, phosphates, borates and other substances of certain elements. Glass, ceramics, abrasives (silicon carbide, alumina), cast stone (diabase, basalt, etc.), carbon materials, non-metallic minerals (asbestos, mica, marble, etc.). Main features: high strength, low plasticity and toughness.   Wear-resistant pipe of metal material: A general term for metallic elements or materials with metallic properties mainly composed of metallic elements. Including pure metals, alloys, intermetallic compounds and special metal materials, etc. Metal materials are usually divided into ferrous metals, non-ferrous metals and special metal materials. Main features:According to different metal performance indicators, the strength, plasticity and low toughness are also different.   Wear-resistant pipe of composite material: The composite material is a material composed of one material as the matrix and another material as the reinforcement. Various materials complement each other in performance, resulting in a synergistic effect, so that the comprehensive performance of the composite material is superior to the original composition material and meets the requirements of each material. different requirements. Main features:According to the different performance indicators of composite materials, the matching strength is also different from low plasticity and low toughness.