The half bottom of vacuum hot water boiler for sale of ZG is similar with ordinary boiler, combined with combustion chamber and heat transfer tubes. The inner part is the media hot water, and rest empty part is air, with an U tube works as heat exchanger. In the vacuum condition, as it runs in the condition of negative pressure, it absolutely ensures the safety operation of the vacuum hot water boiler for sale. With three-pass structure, the second return pipe with threaded smoke pipe , heat transfer enhancement, the third return pipe using the smooth pipe, reduce flue gas flow resistance. Large heating surface, low temperature heat medium, large temperature difference, the exhaust gas temperature is low. The unique structure of the wet back to combustion chamber structure, to abandon the traditional fire-resistant insulation materials, significantly reducing the unit before the smoke room temperature, plus the machine uses high-quality aluminum silicate insulation, making the unit down to limit heat loss, overall thermal efficiency of up to 92 % or more. Never furnace fouling, can run for many years to maintain high efficiency. Thus the vacuum hot water boiler is very popular in industrial market.
ZG is an esteemed vacuum hot water boiler supplier, due to its guaranteed quality, professional technical support, and perfect after sale service. Welcome to consult online about the ZG vacuum hot water boiler for sale.