WNS New Low-Nitrogen Condensing Gas Steam Boiler

WNS New Low-Nitrogen Condensing Gas Steam Boiler adopts three-pass wet-back fire tube structure, with novel design, rational structure and excellent process performance. WNS series of products are National High-Tech Product, and are listed in Recommended Catalog of Energy-Saving Electromechanical Equipment (Products) of Ministry of Industry and Information Technology of China. They are widely applied in brewing, pharmaceuticals, chemicals, tobacco, construction materials, food & beverages and other fields.

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Product Introduction

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Performance Feature - Safe

Full-waveform furnace structure avoids cracking caused by stress concentration, extending boiler's service life.
Unique "welding & expansion" process prevents subcooled boiling at the tube and plate welds, ensuring a safe, reliable and stable boiler operation.
Staggered tube bundles facilitate steam drums carrying and evenly distribute heat to the tube walls.
Rational set of flue gas temperature at three-pass outlet prevents low-temperature corrosion.
Multifunctional explosion-proof doors ensure safe use and easy maintenance.
Independent design of fixed movable supports allows for flexible thermal expansion and contraction.

Performance Feature -Energy Saving

Increased heating surface of the tail finned tubes provides higher heat exchange efficiency
Smoke tube adopts special threaded tube to reduce smoke flow resistance and enhance the heat transfer effect.
Economizer (condenser) adopts patented technology with independent intellectual property rights, taking into account both heat transfer efficiency and operation resistance;
Multi-stage "stepped" sealing provides excellent thermal insulation and sealing performance.
Frameless outer-clad structure & entire coating with heat-resistant paint minimize the heat losses.

Performance Feature -Emission Reduction

Large combustion chamber design enables fuel to burn more fully and thoroughly at a relatively low furnace volume heat load, and nitrogen oxides are less than 30mg/Nm³.