An air preheater is used to preheat the fuel which further increases the boiler efficiency. It is designed to heat air before another process by extracting the waste heat from the flue gases leaving the boiler to effectively reduce the flue gas temperature and improve the thermal efficiency.
Heat treatment is an essential part of the manufacturing process, involving heating a metal or alloy to a specific temperature and then cooling it to harden the material. In the manufacturing process of boilers, the following pressure components require post-weld heat treatment: alloy steel pressure components and carbon steel pressure components which include butt joints with wall thickness greater than 30mm, the cylinders of internal combustion boilers, and T-joints with tube sheet wall thickness greater than 20mm. As a professional industrial boiler manufacturer, ZOZEN Boiler always strictly follows the boiler safety technical specifications to conduct heat treatment on specified boiler components, which effectively reduces the residual stresses in the material that have been introduced by welding and improves the boiler performance.
As a professional industrial boiler manufacturer, ZOZEN Boiler has always maintained the advanced technology and equipment. It owns 600 sets of advanced production equipment in the industry, with high processing precision and high efficiency, guaranteed boiler quality, and realized large-scale production with short delivery period.
ZOZEN SZS series gas/oil fired boiler has excellent performance on the environmental protection. It adopts the well-structured large furnace chamber to ensure the sufficient combustion of the fuel. Also, with the advance burner, ZOZEN SZS series gas/oil fired boiler can reduce the NOx emissions.
ZOZEN Boiler provided a set of reliable steam boiler for the newly built biomass power generation project of BİYOSAN ENERJİ ÜRETİM DANIŞMANLIK A.Ş., a famous local biomass energy production company. The boiler equipment accelerated the construction of a green and low-carbon recycling economic system for users. ZOZEN SZL series biomass-fired boiler supplied steam for this project. The boiler is shipped with the shop-assembled structure, which is composed of two parts: the combustion chamber and chain grate. According to the characteristics of different biomass fuels, the height of combustion chamber can be appropriately increased.
ZOZEN Boiler has cooperated with the Department of Thermal Engineering of Shanghai Jiaotong University to jointly develop the DZL series tri-drum biomass-fired boiler. This kind of steam boiler is a water tube boiler adopting the assembled structure with two parts. The boiler can be equipped with different grates to ensure the sufficient combustion of biomass fuels.
ZOZEN DZL series boiler can use both biomass and coal as fuel. The dual fuel adaptability would help users to save fuel costs. It adopts three-pass water and fire tube design and can be equipped with economizer and duster cleaner to ensure the combustion efficiency, which can effectively lower the NOx emission. Please kindly click the chat online to get more information.
ZOZEN Boiler provided several sets of gas-fired steam boilers to the distributed energy resource park in Jiangsu Province, China. This industrial park used steam boilers for power generation and heating supply for the auto tyre producer. Therefore, ZOZEN Boiler customized several sets of boilers with different parameters to this project.
