Recently, a DZL3.0-1.09570-AII coal-fired pressurized hot water boiler has completed production commissioning, quality inspection and acceptance work, and is officially loaded and shipped. It will soon be sent to Kazakhstan and put into use in local apartment residential community centralized heating projects. As we all know, Kazakhstan is located in the inland of Central Asia with long and cold winters, large temperature differences between day and night, long heating cycles, and stable heating loads. It has extremely high requirements for the stability, endurance, energy efficiency, and environmental adaptability of heating equipment. The heating project in this apartment complex covers a large number of residents and has a concentrated heating area. The core customer demand is to use a large pressurized hot water boiler that is compatible with local Class II bituminous coal fuel, but also has stable operation, low failure rate, and high thermal efficiency. It can continuously and stably output heat sources 24/7 to meet the overall winter centralized heating needs of the community. It also take into account energy conservation, environmental protection, and convenient operation and maintenance. It is suitable for the harsh outdoor working conditions and operation and maintenance conditions in the local area.
Sitong boiler's technical team customized the DZL3.0-1.09570-AII series coal-fired pressurized hot water boiler for them based on the heating load of the customer's project, local fuel characteristics, and climate conditions. This boiler is an industrial energy-saving water fire tube chain grate boiler, which is a specialized main equipment for centralized heating scenarios in people's livelihoods.

This DZL3.0-1.09570-AII series coal-fired pressurized hot water boiler is designed specifically for Class II bituminous coal and can perfectly adapt to mainstream coal-fired fuels in Kazakhstan. It has the characteristics of sufficient fuel combustion and high utilization rate, which can effectively reduce customer operating costs and avoid the problem of low thermal efficiency caused by improper fuel adaptation. The boiler adopts a mature water fire tube structure and chain grate automated combustion technology, with a thermal efficiency far exceeding the industry's conventional standards under rated conditions. It can sustainably and stably output a constant temperature heat source, perfectly adapting to the large-scale and long-term uninterrupted heating needs of residential areas. And it is not afraid of low-temperature load fluctuations in winter. The boiler is designed with a high-strength pressure bearing structure, which has stable rated working pressure, excellent sealing performance, and operates without leakage or pressure relief hazards. The technical team of
Sitong boiler also equipped the boiler with multiple safety protection devices, which can adapt to customers' long-term continuous operation conditions, with advantages such as low failure rate and high safety, and meet customers' core demands for stable operation. This project is another benchmark project for us to deeply cultivate the HVAC market in Central Asia and assist in overseas livelihood heating projects. After the equipment is put into operation, it will provide stable, efficient, and safe winter heating guarantee for residents in the community, effectively solving the heating problem for local residents in cold winter climate.This picture shows the delivery site of the boiler:
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