High pressure gas storage tank: This is the most common method of hydrogen storage, where hydrogen is compressed and stored under pressure, and the tank can typically withstand high pressures ranging from 350 to 700 bar.
Liquid hydrogen storage tank: Hydrogen can be converted into liquid at low temperatures (about -253 degrees Celsius), and liquid hydrogen has a smaller volume compared to gaseous hydrogen, making it easier to store and transport.
Solid state storage: The advantages of solid-state storage lie in its high safety and high density, but the rate of hydrogen release is relatively slow, making it suitable for situations where slow hydrogen release is required.
Hydrogen storage tanks are important equipment for storing hydrogen gas and play an indispensable role in the hydrogen energy industry chain. With the increasing global emphasis on clean energy and sustainable development, the hydrogen energy industry is rapidly developing, and hydrogen storage tanks are also facing new opportunities and challenges.
1. Develop 7 series (such as 7050, 7075) and improved 6 series aluminum alloys, with a tensile strength of 450-550MPa and a yield strength of ≥ 400MPa, meeting the pressure resistance requirements of III/IV hydrogen storage tanks (working pressure of 35-70MPa).
2. Own high-quality aluminum ingot melting and casting, control material impurity content
Having the ability to develop aluminum alloys, we can match alloy combinations according to different performance requirements of customers, which not only meets their needs for product performance and lightweight, but also achieves cost savings.
Based on the precision and performance requirements of the product, we can independently design the production process route, which greatly improves the performance of the welded parts and ensures the dimensional accuracy of the assembly.
Having the ability to develop and modify extrusion and stamping molds, reducing mold development costs.
Having automated extrusion production lines and CNC production lines reduces labor costs.
We have advanced production lines for surface treatment such as oxidation, electrophoresis, and painting, which can meet different customer requirements while reducing equipment investment costs.
The group currently has over 150 extrusion production lines ranging from 600 to 10000 tons, with an annual production capacity of 800000 tons, of which 40% are over 2000 tons. Including various specifications of extruders ranging from 500 tons to 10000 tons, the Sixth Factory is mainly dedicated to the production of industrial profiles and automotive lightweight profiles, with sufficient production capacity to meet customers' extrusion needs of various sizes and specifications.
We have established a national level standardized testing center, which has been accredited by the China National Accreditation Service for Conformity Assessment (CNAS) and accredited by the China National Accreditation Service for Conformity Assessment (CMA); There are 13 high standard laboratories jointly established, including chemical analysis laboratory, metallographic laboratory, mechanical performance laboratory, physical performance laboratory, spectroscopy laboratory, salt spray laboratory, and aging laboratory. Key instruments and equipment are imported from countries such as the United States, Germany, and Israel.
The aluminum extrusion experience of the group has a development history of more than 20 years. After years of verification and accumulation, a rich database of data and experience has been formed, including product databases, design standards, analysis specifications DFMEA、PFMEA、 Control plan, process validation data, etc.
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