Low nitrogen condensing steam boiler adopts horizontal three-return wet-back structure, large corrugated furnace and all screw pipe technology. Equipped with imported famous brand burner, equipped with PLC full intelligent control system, multiple interlocking protection function, all-round protection of safe and reliable boiler operation. Low nitrogen condensing boiler flue gas recirculation FGR low nitrogen combustion technology, the boiler outlet at high temperature of about 10%~30% of the flue gas (temperature about 170℃). The air is sucked into the air inlet of the burner through the smoke and wind pipe, and the premixed combustion air enters the furnace. In this way, the temperature of the combustion area is reduced, and the concentration of oxygen in the combustion area is reduced, and the production of thermal NOx is eventually reduced, so that the nitrogen oxide emission in the flue gas of the boiler tail is less than 30mg/m3.
The boiler uses environmental protection and energy saving, the lowest measured NOX emission is 26mg/m³, in line with the most stringent environmental standards. The measured gas consumption per ton of steam is less than 62m³, far lower than the industry data. At the same time, the hd color touch screen can dynamically display the running status of the burner, water pump and the change of combustion in real time. Multistage pop-up menu makes the boiler monitoring simple, organized and intelligent. Condensing steam boiler is widely used in heating, chemical industry, food, tobacco, textile, printing and dyeing, feed, medicine, building materials, brewing, rubber, hospitals and other places.
The low nitrogen condensing boiler adopts the integrated design of body, energy saver and condenser. The boiler waste heat reuse technology is also adopted, the exhaust temperature is very low, the thermal efficiency is up to 99%. This series of steam boiler energy saver and condenser built-in steel aluminum composite finned tube countercurrent arrangement, enhance heat transfer. Compared with ordinary boiler type, this series of boiler flue gas water steam cold condensation dew process, the NOx and other harmful substances in the flue gas with the condensate water discharge, to achieve energy saving and emission reduction.
Condensing steam boiler is through low temperature water and flue gas heat exchange, the flue gas temperature to the flue gas steam condensing liquid water temperature, and the steam condensation process released in the evaporation latent heat to use the principle, the higher the condensation rate, the higher the corresponding boiler efficiency. Zozen Boilers comprehensively optimize the shape of the furnace and the furnace volume heat load, through the combustion head of the flue gas inside and outside the circulation, reduce the peak temperature of the combustion flame and flame reaction speed, achieve ultra-low emission of atmospheric pollutants boiler, Nox emissions can be as low as less than 15ppm.
The low nitrogen condensing boiler adopts a new condensing device with integral corrugated plate finned tube structure. Large rib ratio, high thermal effective coefficient, lower exhaust temperature, higher condensation rate, higher thermal efficiency of the boiler. In the process of boiler condensation heat transfer, because of the sulfur dioxide, carbon dioxide and oxygen contained in the flue gas, it is easy to produce low temperature corrosion of metals. The condensing device of ZOZEN’S new generation ultra low nitrogen condensing boilers adopts acid and oxygen corrosion resistant materials, which has long service life. The boiler body, the energy saver and the condenser adopt the integrated assembly structure, the boiler main engine realizes the integration, the installation is convenient, the boiler covers an area of small, the overall effect is beautiful.