Spiral water-tube boilers are a family of vertical water-tube boilers. Their steam generating tubes are narrow spiral tubes, arranged in circular fashion around a central vertical water drum. The water tubes are long, numerous and of 2 inches (50 mm) diameter, or smaller.

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Economizer is a heat exchanger device that captures the "lost or waste heat" from the boiler's hot stack gas. The latest technology boiler spiral finned tubes economizer typically transfers this waste heat to the boiler's feed-water or return water circuit, but it can also be used to heat domestic water or other process fluids.

You can also choose from a53(a,b), q235, and 10# spiral boiler tube, as well as from api pipe, thick wall pipe, and emt pipe spiral boiler tube, and whether spiral boiler tube is seamless, or plate. There are 1,640 suppliers who sells spiral boiler tube on Alibaba, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of spiral boiler tube supply is 1%, …

Boiler Economizer With Spiral Finned Tube For Biomass Thermal Plant . Product Description ·Boiler economizers reuse exhausted flue gas to pre-heat the feedwater entering the boiler. ·Essentially a mini-heat exchanger, economizers improve boiler performance while increasing fuel efficiency.

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