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ZOZEN successfully wins the bid for the gas-fired boiler project of Changchun Institute of Optics

21 May 2020

It is ZOZEN's pursuit of high quality that helps ZOZEN win the recognition and trust of users. ZOZEN has provided many enterprises and public institutions with reliable heat supply in winter. This time, ZOZEN won the gas-fired boiler project of Changchun Institute of Optics. Now, ZOZEN has completed the manufacture, installation, commissioning and successfully passed the acceptance of the project.

ZOZEN reached friendly cooperation with Changchun Institute of Optics

ZOZEN reached friendly cooperation with Changchun Institute of Optics

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences (or Changchun Institute of Optics for short) was founded in 1952. As the first research institute established by New China in the field of optics, it was integrated by the Changchun Institute of Optics and the Changchun Institute of Physics of the Chinese Academy of Sciences in 1999. Changchun Institute of Optics has made outstanding contributions to national defense construction, economic development and social progress since its establishment.

Changchun Institute of Optics covers an area of 1 km2, with a construction area of 410,000 m2 and more than 2,100 employees. As important heat supply facilities, boilers provide a guarantee for the comfortable and warm working environment of Changchun Institute of Optics. However, with insufficient output and high failure rate, the existing gas-fired hot water boiler of Changchun Institute of Optics could not meet its requirements. So, Changchun Institute of Optics decided to purchase a new boiler.

With strong comprehensive strength, ZOZEN successfully became the gas-fired hot water supplier of Changchun Institute of Optics after fierce bids. The two sides reached an agreement on the WNS series gas-fired boiler project.

ZOZEN WNS series gas-fired hot water boilers for Changchun Institute of Optics

ZOZEN WNS series gas-fired hot water boilers for Changchun Institute of Optics

The ZOZEN WNS series three pass gas-fired hot water boiler shows ZOZEN's strength in technological innovation. The application of a large-diameter corrugated furnace, threaded smoke tubes and low nitrogen combustion technology not only improves the boiler thermal efficiency to more than 98%, but also realizes low NOx emissions.

With advanced production technologies and automatic production lines, ZOZEN has high manufacturing strength. In addition, ZOZEN also sets high requirements for details. The tube sheet is one of the pressure-bearing parts of the WNS series of boiler. It refers to the round steel that is used to fix the tubes and seal the medium in the heat exchanger. The machining precision of the tube sheet has a great impact on the boiler performance. Meanwhile, ZOZEN strictly requires that there shall be no defects such as cracks, delamination and inclusions on the surface of the bevel. ZOZEN also removes oxides, oil stains, slag, dust and other harmful impurities within near the bevel to ensure the welding quality.

ZOZEN uses the vertical lathe to process the bevel of the tube sheet end

ZOZEN uses the vertical lathe to process the bevel of the tube sheet end

ZOZEN keeps a rigorous attitude towards every production process and every detail. Besides, ZOZEN continuously innovates and introduces advanced production technologies management concepts to grasp every detail in the production process.

At present, the WNS series gas-fired hot water boiler project has passed the overall acceptance. ZOZEN boilers will provide a comfortable environment for Changchun Institute of Optics in winter. Meanwhile, the one-stop service of ZOZEN covering  the entire project cycle including pre-sales, sales and after-sales makes customers feel reassured, which also gets the praise of Changchun Institute of Optics.

Quality has the highest priority at ZOZEN. This cooperation between ZOZEN and Changchun Institute of Optics is also a powerful certification of the strength of ZOZEN.

 

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