SINCAL NR-HD low NOx steam boilers are the answer to the new regulations on pollutant gas emissions in medium-sized boilers.
TECHNOLOGY
Thanks to the extensive knowledge and know-how that Sincal has in terms of low NOx, a boiler has been launched on the market with different solutions carefully studied to be able to reach the restrictive emission limits established by the recent European directive to be applied from 2019.
Among others, a completely revolutionary boiler concept has been designed, halfway between a flame reversing boiler, where there is no reversing chamber, and a true three-pass boiler, where the tubes are usually equally divided between the two passes. NR-HD boilers have three real passes throughout the boiler.
Thus, for outputs up to 1750 kg/h, NR-HD boilers have a second flue gas passage (first through tubes) through large diameter tubes arranged in such a way as to optimize combustion conditions and thermal efficiency.
In the case of installing Weishaupt® “-LN” natural gas burners, it is possible to obtain emissions below 100 mg/Nm3, and in the case of installing Weishaupt® “-3LN” burners, the maximum value is 85 mg/Nm3 for the complete range. Consult for other burner manufacturers.
All our boilers are manufactured according to the German steam boiler code TRD and comply with the European Pressure Equipment Directive 2014/68/EU.
ADVANTAGES
- Very low NOx emissions, even lower than those established by Directive (EU) 2015/2193 on the limitation of emissions in combustion plants (RD 1042/2017 of 22/12/2017).
- Intuitive boiler control via touch screen as standard with maximum visibility of operating parameters.
- Large steam zone allows the production of high quality steam with low humidity even with strong fluctuations in steam demand.
- Extensively tested design and long service life
- High efficiency and possibility to install an economizer
- Suitable for liquid and gaseous fuels
NR-HD boilers installed in a chemical industry
RELIABLE EQUIPMENT
The NR-HD boilers are equipped with GESTRA® controls, whose high quality allows us to affirm that it is one of the boilers with the highest reliability index in the market, reaching SIL3 level in the level control system. Like all the equipment manufactured by SINCAL, they are equipped as standard with our successful touch control panel and its associated PLC, both of our own design, which allow visual, easy and intuitive access to the working conditions of the boiler, modify its working parameters or view the activated alarms, among other functions.
As optional features, NR-HD boilers can be equipped with economizer, continuous feed, 24-hour indirect monitoring, two pumps, automatic salt drain, etc.
- Valves: ARI Armaturen® and GESTRA®.
- Level and purge controls: GESTRA® (optionally Spirax Sarco®)
- Safety devices: ARI ARmaturen and Danfoss
- Control and maneuvering system: SINCAL
- Pumps: Grundfos®
MAINTENANCE
On the flue side, all the exchange surfaces are accessible through a large hinged (and reversible) door at the front of the boiler. This greatly facilitates boiler cleaning and burner maintenance.
An inspection log is also available for easy monitoring of the condition of the water-side surfaces.
TECHNICAL CHARACTERISTICS
