foreign packaged gas boiler, special technology of ZOZEN fire tube steam boiler makes outstanding quality

On October 15, the SZL series steam boiler project which was the first cooperation between ZOZEN Boiler and Afghanistan Baheer Group officially started to supply steam. After 24 hours of test run of the boiler, ZOZEN steam boiler burned normally, the grate ran smoothly, and the alarm devices, pressure valves and other components were also working normally. From then on, ZOZEN steam boiler would become an important member of the company’s paper production line to provide the stable and efficient steam support.

ZOZEN WNS series gas-fired (oil-fired) boilers are wetback fire-tube boilers with a two-pass or three-pass design. It uses threaded smoke tube for heat transfer and manages to achieve a thermal efficiency up to 98%. The economizer is installed at the tail of boiler, giving the boiler a compact size. Meanwhile, sound automatic control system enables unattended operation.

In the Harbin area, Heilongjiang Branch of Industrial and Commercial Bank of China, Harbin Investment Group, Harbin Coslight Battery, Veolia (Harbin) Thermal Power and other companies all use eco-friendly gas-fired boilers produced by ZOZEN. It is understood that in the industrial gas-fired boiler market, the coverage rate of ZOZEN gas-fired boiler is as high as 90%. This is not only due to the strength of ZOZEN with a wide range of boiler types and a capacity ranging from 1 to 110 tph, which can meet the demands of enterprise production and heating, but also due to the advantages of the boiler itself.

foreign packaged gas boiler, As a hot-selling boiler type of ZOZEN Boiler, WNS series gas-fired boiler has become the heat source equipment of many Yili Dairy production lines in various areas with the advantages of high thermal efficiency and low NOx emissions to provide the stable high-temperature steam for the sterilization and fermentation of dairy products.

In terms of welding technology, ZOZEN longitudinal and circumferential seam welding adopts advanced automatic submerged arc welding technology, and 100% X-ray detection is carried out on the welding seam to ensure the welding quality. The welding of the smoke tube and tube sheet adopts pre-expansion first to eliminate the gap between the tube and tube sheet, and then adopts the automatic argon arc welding technology, which can effectively eliminate the stress and extend the service life of the boiler.

If you’re looking for more information about industrial boiler maintenance, ZOZEN has put together a checklist for you. Implementing routine boiler maintenance can result in operational efficiency, cost savings and safer work conditions for your company.