The SZL series steam boiler stands out in the realm of industrial boilers with its distinctive design and construction. It is a water tube boiler featuring a double drum and a chain grate stoker structure that epitomizes efficiency and durability in steam generation. The SZL series comes in two main configurations: the 4-6 tph (tons per hour) range and the 6-35 tph range. The 4-6 tph models are package boilers, which means they come fully assembled from the factory, making installation and setup straightforward and less time-consuming. This design is particularly advantageous for smaller operations or those with limited space, as it negates the need for extensive on-site assembly. On the other hand, the 6-35 tph models of the SZL series are shop-assembled structures. These larger boilers come in two main parts: the upper module, which comprises the heat absorbing surfaces, and the lower module, which houses the combustion equipment.
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.
WNS series and SZS series gas-fired steam/hot water boilers are the best-selling products of ZOZEN Boiler, which have the advantages of high thermal efficiency over 98%, emission of nitrogen oxides below 30mg/nm, excellent energy saving and environmental protection performance, and are well received by domestic and foreign markets. The capacity range of ZOZEN gas-fired steam/hot water boiler is 1-110 t/h and 0.7-116 MW, which can meet various production and heating needs of enterprises.
WNS series gas-fired steam boilers customized by ZOZEN Boiler have the advantages of high thermal efficiency, strong environmental protection performance and automatic operation. It is commendable that the WNS series gas-fired boilers adopt the patented appearance of ZOZEN Boiler (patent No. ZL202030031426), which has beautiful appearance and good corrosion resistance.
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 DZL series biomass/coal-fired boiler has sufficient steam output. The boiler adopts the arched tube plates and threaded smoke tubes, which strengthen the heat transfer and solve the cracking problem of rear tube plates. Please kindly click the chat online to get more information.
ZOZEN will test the leak-proof air pressure of every set of SZS series boiler before delivery. Poor tightness will lead to the leakage of gas fuel, which will not only affect the safe operation of boiler, but also increase the heat loss. The leak-proof air pressure test can secure the tightness of each SZS series gas boiler.
