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This post was last edited by HaiChuanLaoYu on 2025-11-24 at 09:33. Let’s give praise and encouragement to the achievements made in China’s chemical engineering technology and equipment; your participation in discussions is the greatest encouragement. **********************【Ten Years of Great Development in Chemical Engineering Equipment】A continuously updated summary thread – feel free to participate in the discussions: https://bbs.hcbbs.com/thread-3576046-1-1.html ***************** 【A Country Strong in Equipment Manufacturing】Zhanghua Machinery delivered the TA2G titanium-ammonia condensate stripping tower it manufactured. On November 19th, the ammonia condensate stripping tower produced by Zhanghua Machinery was delivered. Manufactured from TA2G titanium, this equipment has a total length of 23,050 mm, a diameter of 1,200 mm, and a net weight of 12,220 KG. It was welded entirely in a dust-free environment within a clean workshop using TIG welding, ensuring the purity and quality of each weld and thus fully meeting the stringent requirements of the project for special-purpose equipment. On November 19, the ammonia-containing condensate stripping tower manufactured by Zhanghua Machinery was shipped and delivered. Manufactured from TA2G titanium, this equipment has a total length of 23,050 mm, a diameter of 1,200 mm, and a net weight of 12,220 KG. It was welded entirely in a dust-free environment within a clean workshop using TIG welding, ensuring the purity and quality of each weld and thus fully meeting the stringent requirements of the project for special-purpose equipment. The successful delivery of this ammonia-containing condensate stripping tower not only demonstrates ZHANGHUA MACHINERY’s technical expertise and advanced management capabilities in the manufacturing of high-end pressure vessels made from special materials, but also confirms its ability to precisely control the welding environment for high-grade titanium materials. Behind this core strength lies the ‘comprehensive upgrade’ of the clean production facilities that Zhang Hua Ji has carried out recently, which provides strong impetus for increasing production capacity and advancing high-end manufacturing. Since entering the field of titanium equipment production, Zhanghuaji has always taken \"technological innovation\" as its core driving force. It has built a 1,800㎡ clean workshop and focused on the development of core equipment for special materials such as titanium, zirconium, tantalum, and nickel-based alloys. The company has received high recognition from international technology patent holders and clients in various industries including PTA chemicals, chlor-alkali industry, photovoltaics, and seawater desalination. It has successfully supplied key equipment such as oxidation reactors, crystallizers, distillation towers, autoclaves, light-component zirconium towers, heavy-component zirconium towers, and cold hydrogenation reactors for numerous large-scale chemical projects in China, thus establishing itself as a leader in the manufacturing of special material equipment. To overcome the challenges associated with the welding environment for high-end titanium specialty equipment, Zhanghua Machinery adopted a hierarchical approach that combines a Class 10,000 clean workshop with a semi-clean workshop. On top of the existing clean production facilities, a super-clean workshop was built; this workshop adheres strictly to the ISO 14644-1 Class 7 cleanliness standards. It has met the Class 10,000 cleanliness requirements as verified by third-party tests, and it has also passed the Fei Raolin test certification, thereby providing a \"sterile\" operating environment for the welding of high-end titanium specialty equipment. At the same time, Zhang Huajī upgraded the existing clean workshops, creating a combination of semi-clean workshops and Class 10,000 clean workshops that complement each other, thereby effectively enhancing overall production capacity and flexibility. This gradient cleaning mode not only meets the stringent welding environment requirements of key high-end titanium-based equipment such as oxidation reactors and cold hydrogenation reactors, but also improves production efficiency by making rational use of secondary cleaning workshops, thereby achieving optimal allocation of resources. The upgraded clean workshop enables precise management throughout the entire process, significantly improving the efficiency and scale of welding operations for high-end titanium specialty equipment. It focuses on serving the manufacturing of core equipment that requires extremely high levels of material purity and corrosion resistance, thereby providing customers with faster and better delivery times. In the future, Zhanghua Machinery will always adhere to the philosophy of \"precision manufacturing,\" establishing new quality standards in the field of special material equipment production, and continuing to supply high-quality special material equipment to customers around the world.