It is a single-drum vertically-installed packaging chain-belt grate water steam boiler.
The whole heating surface is of the symmetrical arrangement. It is of the firm structural strength, reasonable water circulation system. The drum is of the large water capacity, large steam space, sound vapor quality, little water-level fluctuation in the running period. It has the unique hearth setting and scouring mode from the smoke and steam towards the heating surface which result in the extremely low heat loss to the boiler. It has the advance open/shut mechanism for the grate air-regulation and dust & dust discharge from air plenum. The light-duty chain belt packaged grate with the step-less speed regulation device fulfills the perfect adjusting means to bring about the finest combustion work-condition. Therefore, the coal varieties of the boiler are of the wide adaptability with the high utilization ratio of the fuels. It is of the prompt site assembly. It saves the infrastructure investment too. It is ideal technologically-used vapor equipment in the industrial and mining enterprises.

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