4 t hr coal fired steam boiler, ZOZEN boiler passes the asme joint review again
ZOZEN is always committed to doing every detail well and creating value for users. Since the company was founded in 1988, ZOZEN has reformed the traditional production mode of industrial boiler industry and introduced modern science and technology to realize the mechanization, informatization and intelligentization of boiler production line. The fully automatic production lines greatly improve the production efficiency. More importantly, it also enhances the size precision of boiler parts processing and reduces the product quality problems caused by human factors.

During the "Thirteenth Five-Year Plan" period, China's oil refining industry will focus on transformation and upgrading, and continue to enhance comprehensive strength. It will vigorously eliminate backward production capacity and improve the scale and technology of its units. Among them, the boiler as an important piece of energy equipment is indispensable in the petroleum refining process, 4 t hr coal fired steam boiler.
4 t hr coal fired steam boiler, ZOZEN YLW series thermal oil heater is of square coil tube vertical type chain grate, it consists of two separate parts - chain grate stoker and heater body. After erection on site, it only needs to connect to thermal oil piping and electricity to start operation. The heater adopts chain grate to perform mechanical fuel feeding, equipped with FD fan and ID fan for air ventilation, and also equipped with slay discharger to remove the bottom slag.
ZOZEN’s YLW series thermal oil heater is developed based on chain grate. It can provide high-temperature heat source at various temperatures below 350℃, suitable for various production processes such as dyeing, drying, slashing and printing which require high-temperature and low-pressure heating supply. The YLW series boiler also can realize the precise temperature control via advanced oil temperature and pressure control system to greatly improve the heat energy utilization rate. Recently, Kay & Emms has decided to upgrade the production equipment and signed a cooperative agreement with ZOZEN on the YLW series coal-fired thermal oil heater project.
4 t hr coal fired steam boiler, ZOZEN Boiler has invested a lot of technical force in improving boiler’s energy-saving performance. The structure and operating principle of organic heat carrier boiler cause that the exhaust gas temperature at its end is around 300°C and result in a huge waste of heat energy. In order to reduce heat loss, ZOZEN technicians add a variety of energy-saving devices at the end of boiler’s flue gas duct to improve the overall thermal efficiency of organic heat carrier boiler through the recovery and utilization of high-temperature flue gas, which helps many companies to achieve the goal of energy saving and consumption reduction.
The header is not an independent component, but a component consisting of water-cooled walls, economizer, superheater and other components. Therefore, there are water-cooled wall header, economizer header, superheater header and so on. The function of header is to collect or distribute the steam and water working medium, reduce the transmission and connection pipes of working medium, reduce the number of drum holes, so as to improve the safety performance of drum.
The two sides cooperated well for the steam boiler project in Bangladesh. ZOZEN will continue to provide high quality products for the global industrial boiler market in the future, 4 t hr coal fired steam boiler.
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28 Oct 2025ZOZEN Boiler Shines at the 2025 Russia Heat Exchange Expo in Moscow
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ZOZEN Boiler: Empowering Pakistan’s Textile Industry with Technology and Service for a Green UpgradeAs the pillar of Pakistan’s economy, the textile industry plays a crucial role in the national economic landscape and manufacturing system. Its energy needs and environmental transformation have long been central to industry development. Having cultivated the Pakistan market for years, ZOZEN Boiler has become a trusted partner for local textile enterprises through customized biomass energy solutions, mature reciprocating grate technology, and a localized service system—delivering a c...11 Nov 2025 -
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On October 23, the three-day 2025 Russia Moscow Industrial Boiler and Heat Exchange Exhibition (Heatpower Expo) concluded successfully. With a meticulously planned participation strategy and a highly professional team, ZOZEN Boiler completed this overseas showcase smoothly, engaging in in-depth exchanges with customers from multiple sectors including energy, chemicals, building materials, and food, fully demonstrating the company’s comprehensive strengths in clean, high-efficiency technolo...28 Oct 2025
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