Develop large cupola over 5t/h and adopt external heat supply and water-cooled continuous operation cupola without lining as required; Promote cupola - induction furnace double melting process; Widely used advanced liquid iron desulfurization, filtration technology (open: New low cost foam ceramic filter with low heating junction temperature and short sintering time, new foam ceramic filter with stable high temperature physical and chemical properties for various active alloys, special-shaped foam ceramic filter suitable for investment casting, metal mold casting and other special casting processes, deep research on the filtration and purification mechanism of foam ceramic filter and the influence mechanism and system on the metal solidification process Study the application technology of foam ceramic filter, including the selection of aperture and thickness, the design of placement method and pouring system, the control of pouring temperature and speed and metal hydraulic head, etc., carry out the serialization and standardization of foam ceramic filter), equipped with direct reading spectrometer, carbon equivalent rapid measurement instrument, quantitative metallographic analyzer and nodularization rate detector, Application of microcomputer technology to thermal analysis of cast iron melt. Promote cupola dehumidification air supply technology, use cupola waste gas, eliminate pollution to the environment, improve the quality of liquid iron.
Induction furnace has the advantages of flexibility, energy saving and high efficiency, and it is the future development direction of cast iron melting technology to use induction furnace. Develop new alloy inoculation technology (such as late inoculation, etc.), promote alloy core-wire technology, improve the success rate of spheroidization treatment, reduce the scrap rate of casting and improve the overall performance of casting.
The use of argon stirring, calcium line injection purification, AOD, VOD refining technology, improve the purity, uniformity and grain refinement of liquid steel, reduce the amount of alloy added, improve the strength and toughness of castings, reduce the weight of castings and reduce the scrap rate.
In the production of aluminum alloy castings, it focuses on solving the pollution-free, efficient and easy to operate refining technology, metamorphism technology, grain refinement technology and rapid pre-furnace detection technology. For different grades and different uses of alloys, computer numerical simulation technology is used to study the optimization of solution and aging treatment process parameters, so as to play the potential of materials and improve material properties. Introduce and digest advanced refining technology such as RID and FI to improve the smelting level of aluminum alloy.
Further research on magnesium alloy smelting technology, strengthen the serialized commercialization of pollution-free and high-efficiency solvents for magnesium alloy smelting, strengthen the development of casting, recycling and remelting technologies for high-purity cast magnesium alloy materials, magnesia-rare earth heat-resistant cast magnesium alloy materials and magnesium matrix composites, and further strengthen the research and development of magnesium alloy die-casting and extrusion casting technologies. In order to adapt to the rapid development of China's auto industry needs.
Improve titanium alloy melting equipment, solve the existing problems of casting materials, carry out research on the effect of heating method and preheating temperature of casting under vacuum on casting quality, study on the volatilization behavior of alloying elements under vacuum melting and its effect on alloy composition, study on the effect of impurity elements on the quality of titanium castings, melt casting under different alloys and different conditions: Optimization of art parameters, titanium alloy investment casting materials and processes, hot isostatic pressing and casting welding process.
Changshu Hongqiao Cast Steel Co., Ltd. mainly produces various specifications of carbon steel, high, middle and low alloy steel, stainless steel, heat-resistant steel, high manganese steel, high chromium cast iron. For petroleum, chemical industry, metallurgy, mining machinery, coal mining machinery, wind power, nuclear power, Marine and other industries to provide high-quality steel casting, and export abroad. The company attaches great importance to the development of market technology, and recruits technical backbone cast steel professional engineers to lay a good foundation for the development of new products. Our company's main products are: petroleum machinery blowout preventer, and mining machinery products. This kind of oil blowout preventer products are pressure alloy steel castings with a maximum test pressure of 1050 kg. For Hebei Rongsheng Petroleum Machinery Co., LTD., Yancheng Xinde Petroleum Machinery Co., LTD., Shanghai Jiaflang Machinery Equipment Co., LTD., Sandvik Mining Machinery Co., LTD.