Zhejiang Engineering Design Co., Ltd. is committed to providing clients with distinctive value-added services.
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AboutZhejiang Engineering Design Co., Ltd. (abbreviated as ZEDC in English) was established in 1958, originally known as the Design Department of Quzhou Chemical Plant.
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BlogZhejiang Engineering Design Co., Ltd. (abbreviated as ZEDC in English) was established in 1958, originally known as the Design Department of Quzhou Chemical Plant.
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ResearchThe “ZEDC Chemical Engineering Design Innovation Base” of Zhejiang University is a industry–university–research collaboration institution established through a donation from Zhejiang Engineering Design Co., Ltd. to the Zhejiang University Education Foundation.
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The fluorinated refrigerant project of the engineering design company has been awarded the Juhua 2017 Innovation Technology Invention Award.
Release time:
2018-02-09
In January, the engineering design company received significant recognition: the engineering‑scale design of its fluorinated refrigerant laboratory technology was awarded the Second Prize in the 2017 Juhua Technology Innovation and Invention Awards. This achievement has elevated the quality of Juhua’s fluorinated refrigerants and played a pivotal role in the transition to fourth‑generation refrigerants.
As third-generation fluorinated refrigerants gradually enter the phase-out cycle, they are being replaced by fourth-generation refrigerants. Domestic enterprises lag behind in fundamental research on fluorinated refrigerants and hold few proprietary intellectual property rights; core technologies remain largely controlled by multinational corporations, with technology‑transfer fees that are substantial.
In recent years, the Group has increased its R&D investment and accelerated the commercialization of technological advances. A number of pilot‑scale and small‑scale technologies have reached a stage where industrial-scale facilities are urgently needed. As the Group’s in‑house design entity, this critical responsibility naturally rests with the Engineering Design Company. Under the leadership of the company’s management, a robust project team has been assembled, with designers tasked to overcome all obstacles and ensure the successful completion of this project—while setting a benchmark for engineering‑driven project implementation within the Juhua Group.
How can laboratory‑scale pilot technologies be scaled up and engineered into industrial‑size facilities? Incomplete field data, coupled with the absence of established process routes and flow diagrams, left the design team thoroughly stumped. Under the leadership of the Design Manager, the entire team demonstrated unwavering determination to overcome challenges. Drawing on experience from previous projects and conducting an extensive review of domestic and international literature, they gathered the necessary fundamental physical property data. By sifting through vast amounts of information, they gradually pieced together relevant details, enabling the process route and flow diagram to take shape in their minds. From process package design to detailed engineering drawings, the team leveraged advanced tools and software to continuously refine calculations and optimize the design process, striving to mitigate technical risks at the design stage. They also collaborated with the client to organize technical personnel for a thorough review of the construction drawings, further refining the design and implementation plan in accordance with project requirements.
For the owner, time is profit. With the construction drawings in hand, every effort must be made to accelerate progress; the project team from the Engineering General Contracting Department is stationed on-site, leaving no room for even the slightest oversight. Throughout project implementation, a management model has been established that features multi‑level quality control, individual accountability, and the proactive fulfillment of each person’s responsibilities. We assist the owner in managing relationships with government agencies and other stakeholders, conduct work in a proactive and effective manner, organize construction in a scientific and rational way, and thereby substantially alleviate the owner’s burdens. We maintain constant communication with the owner, regularly exchanging updates on project progress, promptly reporting any issues, and swiftly addressing them.
The final outcome has lived up to everyone’s efforts: the localization of process technologies has reduced project costs, which is of great significance for the project’s sustainable development and provides robust support for the company’s innovative growth. The Group has successfully engineered fourth-generation fluorinated refrigerant technology that boasts a low global warming potential (GWP) and zero ozone depletion potential (ODP), thereby breaking down technological barriers imposed by multinational corporations, establishing proprietary intellectual property rights, and securing a leading position in the emerging field of next‑generation fluorinated refrigerants.
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[2024-08-07]