China New GB/T National Standard for Shell Boiler
This year, the National Standard of Shell Boiler (GB/T 16508.5-2022) (hereinafter refered as the Standard) drafted partly by ZOZEN Boiler was approved for publication, and it has been implemented on October 1, 2022.
ZOZEN Boiler participates in drafting national standards
The Standard GB/T 16508-2022 is one of the general boiler construction standards revised and centralized by the National Boiler and Pressure Vessel Standardization Technical Committee. This standard consists of eight parts, and this is the second revision, aiming at standardizing the design, manufacture, acceptance, installation and operation of boilers and preventing major safety risks. ZOZEN was listed as the main drafting unit, and participated in the drafting of Part 4, Manufacturing, Inspection and Acceptance, Part 5, Safety Accessories and Instruments, and Part 7, Installation of shell boilers. Chen Libo of the Design and Research Department was listed as the main drafter.
ZOZEN Boiler participates in drafting national standards of shell boilers
ZOZEN shows its strength with technology
Shell boiler refers to the boiler whose evaporation heating surface is mainly arranged in the shell, the burning flame or flue gas is inside the tube and the working medium flows outside the tube. The main furnace types are ZOZEN WNS series oil/gas fire tube boiler and DZL series coal/biomass water-fired tube boiler. Due to the limitation of tubesheet structure, our country's shell boilers always stop at 20 tons or less. Large tonnage shell boilers that exceed the limit are prone to tubesheet tearing accidents, and have great potential safety hazards.
ZOZEN boiler tube plate welding technology is advanced
After precise calculation and experiment, ZOZEN Boiler has created a 25-ton shell boiler product with ingenuity, and its energy efficiency and emissions meet the regulations, meeting the heat demand of users.
ZOZEN 25-ton gas-fired hot water boiler in the project site
In BMW Brilliance Tiexi new factory, several 25-ton ZOZEn WNS series gas-fired hot water boilers have been put into operation for more than one year. With the advantages of fully automatic boiler operation, stable heat supply, energy saving and environmental protection, the boiler has become the main force in BMW Brilliance's combined cooling, heating and power supply system. In addition, a set of 25-ton WNS series gas steam boiler in GUIZHOU GUOTAI LIQUOR CO., LTD. has also been put in place. The boiler system is designed according to the actual working conditions, which is expected to bring significant economic benefits.
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WNS series gas-fired (oil-fired) steam boiler1-20 t/h0.7-2 MPa
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DZL series coal-fired steam boiler2-10 t/h1-2.5 MPa
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