4 ton steam boilers for sale, strengthening service concept and service level, ZOZEN boiler fully prepares the quality miles activity
4 ton steam boilers for sale, Adhering to the concept of green development, ZOZEN Boiler and Lenzing (Nanjing) Fiber Co., Ltd. have reached a cooperation on the gas-fired steam boiler project to deepen the sustainable development and achieve the win-win result.
ZOZEN SZL series coal-fired steam boiler is package or shop-assembled water tube boiler with double-drum and chain grate structure.Boiler with capacity of 6-35 tph is shop-assembled structure, which is composed of 2 parts, upper part is heat absorbing surface and lower part is combustion equipment.

ZOZEN thermal oil heaters adopt the special technology to greatly reduce the on-site dewatering time to realize the high-efficiency heat transfer and stable output; it also adopts the advanced oil temperature and pressure control system to ensure the long-term and safe boiler operation.
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.
Meanwhile, a set of 36 tph ZOZEN DZL series biomass-fired boiler was in installation in Shandong Province. This boiler system would provide the stable heat source support for the production base of Heze Huihao Textile Co., Ltd. with an annual output of 3,000 tons of knitted fabric and 3,000 tons of rinsed knitted fabric. ZOZEN biomass-fired boiler had a reasonable primary and secondary air ratio and the SNCR intelligent denitrification device at the boiler end, which could ensure that the NOx emission concentration was less than 50mg/Nm3 to meet the environmental protection standards in Shandong Province, helping Huihao Textile realize the ultra-low NOx emission.
There is only one earth. An increasing number of enterprises are constantly striving to build a community of shared future for humanity. In the future, ZOZEN will adhere to the original aspiration of sustainable development, design and manufacture more efficient and environmentally-friendly boilers and explore more boiler system solutions to promote the realization of environmental protection goals.
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In the first half of 2025, as a leading enterprise in China’s industrial boiler sector, ZOZEN Boiler has actively expanded into global markets with an international vision and innovative drive. The company made impressive appearances at the Pakistan Textile Exhibition and the Russian HEAT&ELECTRO MACHINERY Expo, continuously expanding its brand influence and bringing efficient, environmentally friendly energy solutions to customers worldwide, contributing to the green upgrade of the in...01 Jul 2025
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As global attention toward sustainable development intensifies, green and eco-friendly practices have become the main theme across all industries. For traditionally high-energy, high-emission sectors, technological innovation is essential to achieve clean production and unlock new growth. The plastic foam industry, a vital part of industrial manufacturing, has long faced the dual challenges of high energy consumption and environmental pressures. The emergence of biomass boilers offers a new gree...17 Jun 2025
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