Production Equipment

Production Equipment

PRODUCTION EQUIPMENT

Professor Zhu from Wuhan University of Technology and his team visited our company for an inspection.

On June 5th, Professor Zhu from Wuhan University of Technology, along with a team of 5 people, conducted an on-site inspection at our company. After visiting and gaining a detailed understanding of our company's series of silicon carbide products, they fully affirmed the company's overall strength; they praised and recognized the company's existing mature silicon carbide products and the series of high-end products under development. Afterwards, Professor Zhu shared his views and opinions on the current development prospects of silicon carbide ceramics and the environmental protection industry. Both parties reached a preliminary consensus on cooperation for the next steps, aiming to develop products towards a higher-end direction.

06-06

2014

Professor Zhu from Wuhan University of Technology and his team visited our company for an inspection.
Professor Zhu from Wuhan University of Technology and his team visited our company for an inspection.

President of India's Mittal Steel Group visits our company for inspection

The President of India's Mittal Steel Group visited Hubei Langchi New Materials Co., Ltd. on June 29, 2014, mainly to understand the application of silicon carbide products in the steel industry. During the visit and discussion, he showed great interest in the silicon carbide ceramic idler rollers produced by our company and hopes to establish long-term cooperation in the future!

07-02

2014

President of India's Mittal Steel Group visits our company for inspection
President of India's Mittal Steel Group visits our company for inspection

Zhengchuang has a "new look"!

People die for those who truly understand them; women dress to please those they love. To better meet the needs of our valued customers in finding the products they need quickly and without visual fatigue, Zhengchuang Company has specially revamped our official website. With a fresh new look, the new website overturns the traditional official site model, leaning more towards a marketing-oriented design that is faster and more convenient to browse, with a more elegant and generous layout. In addition to retaining the original company profile, news center, and product image display sections, we have added video introductions, investment promotion sections, honors and qualifications, and expanded the product display module to showcase more product images simultaneously.

08-24

2014

Zhengchuang has a "new look"!
Zhengchuang has a "new look"!

The chairman of South Korea's NTL Corporation and Xiaoxing Group visited Hubei Zhengchuang for a tour!

On September 2, a delegation led by Chairman Zhang Hengji of Korea NTL Company and Xiaoxing Group visited Hubei Zhengchuang New Materials Co., Ltd. During the visit, they toured the company's product showroom and other areas, showing great interest in the company's silicon carbide ceramic products. They gained detailed understanding of the applications of silicon carbide products in their company and industry, and had pleasant discussions with the company leadership. Both parties are expected to explore cooperation in the future.

09-03

2014

The chairman of South Korea's NTL Corporation and Xiaoxing Group visited Hubei Zhengchuang for a tour!
The chairman of South Korea's NTL Corporation and Xiaoxing Group visited Hubei Zhengchuang for a tour!

The Chairman of Xin Wanxin (Fujian) Precision Thin Plate Co., Ltd. visited our company for a tour and cooperation discussion!

On October 9, 2014, the chairman of Xinwanxin (Fujian) Precision Thin Plate Co., Ltd. visited our company for an on-site inspection. After touring a series of products and listening to our technical analysis, he expressed great confidence in our products and reached a cooperation agreement with us.

10-09

2014

The Chairman of Xin Wanxin (Fujian) Precision Thin Plate Co., Ltd. visited our company for a tour and cooperation discussion!
The Chairman of Xin Wanxin (Fujian) Precision Thin Plate Co., Ltd. visited our company for a tour and cooperation discussion!

"Wugang Ceramics Hubei Zhengchuang" New Highlight at Jingdezhen Ceramics Exhibition!

From October 18 to October 22, Hubei Zhengchuang New Materials Co., Ltd. dispatched a sales team and technical staff to participate in the ceramics exhibition held in Jingdezhen, Jiangxi, achieving fruitful results. By attending this exhibition, we gained a deeper understanding of the sales market, expanded the target market; enhanced the company's visibility; discovered more potential customers, and also learned about the production levels of peers in the industry. At the exhibition, we successfully signed sales contracts with customers; meanwhile, we established good business relationships with many merchants, with plans for further cooperation in the future.

10-23

2014

"Wugang Ceramics Hubei Zhengchuang" New Highlight at Jingdezhen Ceramics Exhibition!
"Wugang Ceramics Hubei Zhengchuang" New Highlight at Jingdezhen Ceramics Exhibition!

Black Silicon Carbide VS Green Silicon Carbide

Differences Between Green Silicon Carbide and Black Silicon Carbide Green silicon carbide and black silicon carbide are basically the same, but their raw materials and manufacturing processes differ. Green silicon carbide has superior hardness and purity compared to black silicon carbide. Its elastic modulus reaches 410 GPa, it does not dissolve under normal temperature and pressure, and only begins to degrade above 1600°C, decomposing at 2815.5°C. Our company produces reaction sintered silicon carbide products, with a normal operating temperature ≤1350°C. Green silicon carbide is suitable for grinding copper, brass, aluminum, gemstones, optical glass, ceramics, and other hard alloys, metals, and hard and brittle non-metallic materials. Its fine powder can also be used as a ceramic material. Table 1-1 Technical Requirements for Siliceous Raw Materials Smelting SiC Type SiO2 Content (%) LOI (%) Residue Amount (%) Green Silicon Carbide >99.3 <0.4 <0.6 Black Silicon Carbide >98.5 <0.4 <1.0 Our company's product raw materials are green silicon carbide, with content above 99.8%. Table 1-2 Performance of Domestic and Foreign Reaction Sintered Silicon Carbide Table 1-2 Application Fields of Silicon Carbide Applications and Characteristics of Silicon Carbide: Both types of silicon carbide belong to α-SiC. Black silicon carbide contains about 95% SiC and has higher toughness than green silicon carbide. It is mostly used for processing materials with low tensile strength, such as glass, ceramics, stone, refractory materials, cast iron, and non-ferrous metals. Green silicon carbide contains about 97% or more SiC, has good sharpness, and is mostly used for processing hard alloys, titanium alloys, and optical glass. It is also used for grinding cylinder sleeves and precision grinding of high-speed steel tools. Main Performance Characteristics of Reaction Sintered Silicon Carbide Ceramic Products: Reaction sintered silicon carbide ceramics have high strength, high hardness, wear resistance, corrosion resistance, strong oxidation resistance, good thermal shock resistance, good thermal conductivity, resistance to extreme cold and heat, and resistance to high-temperature creep. They can be made into nozzles, radiation tubes, desulfurization nozzles, beams, rollers, cold air pipes, thermocouple protection tubes, and various wear-resistant, high-temperature resistant, and corrosion-resistant special-shaped parts. Technical Parameters of Reaction Sintered Silicon Carbide Ceramic Products Item Unit Specification Operating Temperature °C ≤1380 Density g/cm3 3.01 Porosity % <0.1 Flexural Strength MPa 250 (20°C), 280 (1200°C) Elastic Modulus GPa 330 (20°C), 300 (1200°C) Thermal Conductivity W/m·K 45 (1200°C) Thermal Expansion Coefficient K-1×10-6 4.5 Mohs Hardness - 9.6 Our main products include burner nozzles, beams, desulfurization nozzles, thermocouple protection tubes, radiation tubes, square beams, rollers, cold air pipes, crucibles, wear-resistant pipelines, and various special-shaped parts that are resistant to high temperature, wear, and corrosion, as well as wear-resistant, high-temperature resistant, corrosion-resistant water-based metal ceramic glaze coatings. These are widely used in daily porcelain, sanitary ware, electrical porcelain, high-temperature kilns, machinery, pumps, desulfurization and environmental protection, boilers, papermaking, metallurgy, petroleum, chemical industry, aerospace, and military industries. Customized production is available according to customer requirements. Contact Phone: 400-862-9007, 027-59909189 Mobile: 18627727335 (Ms. Liu), 15327437079 (Ms. Song)

10-30

2014

Black Silicon Carbide VS Green Silicon Carbide
Black Silicon Carbide VS Green Silicon Carbide

Applications of Silicon Carbide Ceramics

Chemical Industry, Metallurgy Silicon carbide materials have high resistance to erosion by molten iron, slag, and alkali metals, along with high thermal conductivity and wear resistance. From the 1970s to the early 1990s, over 65% of large blast furnaces worldwide adopted silicon nitride bonded silicon carbide materials as furnace body materials, extending blast furnace life by 20% to 40%. Various silicon carbide materials have also been widely used as furnace linings or crucibles in the smelting of aluminum, copper, and zinc. In the chemical and metallurgical industries, ceramic heat exchangers are often used to preheat various gases or liquids to fully utilize the heat from various hot furnace exhaust gases. Energy and Environmental Protection Direct purification of coal gas at high temperatures can fully utilize the sensible heat of the coal gas used in Hexolov heat exchangers. Compared to purification at normal temperature, this greatly improves thermal efficiency. Using high-temperature purified coal gas directly for gas turbine power generation can significantly increase power supply efficiency, reduce harmful emissions, and save water. The use of gas turbine equipment in modern coal-fired power generation systems and environmental protection standards require high-temperature gas direct dust removal. Industrial Kilns Various industrial kilns are widely used in light industry, building materials, electronics, and other sectors. Using combinations of silicon carbide kiln furniture made from different materials can greatly reduce the weight and space occupied by kiln furniture, improve energy utilization, and reduce labor intensity. At the same time, due to the excellent thermal shock resistance of silicon carbide components, the firing heating rate can be accelerated. Various Heating Devices In material sintering, melting, heat treatment, and the glass industry, indirect gas heating is an important method. Compared with direct combustion heating, indirect gas heating can greatly improve thermal efficiency and reduce emissions of harmful gases such as NOx. It also improves temperature stability and ensures control of the furnace atmosphere. Additionally, many industrial heating processes require isolation of the workpiece from the combustion environment. Heating Elements The important electrical conductivity of silicon carbide makes it the primary material for manufacturing heating elements for furnaces operating above 1000°C. Silicon carbide heating elements are the main product of silicon carbide materials and have a large market. In China, the operating temperature of related products has long remained below 1400°C, while since the 1990s, developed countries have generally increased the operating temperature of silicon carbide heating elements to 1600°C, for example, Germany's Cesi-wid company and Japan's Tokai High Heat Co., Ltd. Compared with foreign products, the cold end/hot zone resistance ratio of domestic products is generally only 1:10, lower than the foreign level of 1:15, causing waste of electrical resources. Mechanical Seals To improve performance, save fuel, and extend warranty periods, the automotive industry has higher requirements for cooling systems. Due to increased temperature and pressure in automotive cooling systems, water pumps are required to operate at higher speeds and bear higher loads. One important factor in extending water pump service life is the mechanical seal. Silicon Carbide Composite Materials for Nuclear Industry Silicon carbide materials have low neutron activation behavior (radioactivity under neutron irradiation), low decay heat, low gas permeability (especially to nitrogen), and excellent high-temperature mechanical properties, making them suitable for structural materials in nuclear power plants. For example, the ARIFS nuclear power plant in the United States selected SiC fiber-reinforced SiC as cladding material. With the development of nuclear power, the demand for high-performance silicon carbide materials will greatly increase. Conclusion From the above summary of silicon carbide material preparation and engineering applications, it is clear that silicon carbide materials are currently the most promising advanced engineering ceramics for industrialization. They include not only high-performance fine ceramics but also cover silicon carbide products of various performance grades from low to high. Silicon carbide materials play an important role in future high-tech fields such as ceramic engines and have broad and untapped markets in energy, metallurgy, machinery, building materials, chemical industries, and more. Currently, the positioning of silicon carbide structural ceramic products in China should focus on developing various products with large market demand, while various high-performance fine ceramics or composites serve as research and development targets. Besides developing high-performance materials, various high-temperature components and load-bearing parts should become the main products currently developed. Our main products include: burner nozzles, beams, desulfurization nozzles, thermocouple protection tubes, radiation tubes, square beams, roller rods, cold air pipes, crucibles, wear-resistant pipelines, and various special-shaped parts resistant to high temperature, wear, and corrosion, as well as wear-resistant, high-temperature resistant, corrosion-resistant aqueous metal ceramic glaze coatings. These are widely used in daily porcelain, sanitary ware, electrical porcelain, high-temperature kilns, machinery, pumps, desulfurization and environmental protection, boilers, papermaking, metallurgy, petroleum, chemical, aerospace, and military industries. Customized production is available according to customer requirements. Contact phone: 027-59909189 400-862-9007 Mobile: 18627727335 15327437079 Email: hblcxcl@126.com Welcome to inquire and purchase!

11-05

2014

Applications of Silicon Carbide Ceramics
Applications of Silicon Carbide Ceramics

New Breakthrough in the Production of Grinding (Wear-Resistant) Buckets

After several months of experimental research by the company's R&D personnel, through formula adjustments, molding, firing, and processing improvements, our company successfully increased the pass rate of silicon carbide grinding barrels to over 80%. At the same time, the molding time was shortened and the inspection methods were improved, meeting customer delivery deadlines, greatly enhancing product quality, ensuring customer interests, and earning a good reputation.

11-24

2014

New Breakthrough in the Production of Grinding (Wear-Resistant) Buckets
New Breakthrough in the Production of Grinding (Wear-Resistant) Buckets
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