NESTRO Lufttechnik GmbH has introduced its latest innovation—the NKJ compact filter. Designed specifically for the woodworking industry, the NKJ promises to streamline air filtration while ensuring compliance with stringent environmental standards. This breakthrough product was recently showcased outside the company’s factory in Schkölen, Germany, where it was photographed against the backdrop of a nearly green field, highlighting its eco-friendly design.
The efficiency of the NKJ filter is evident, with its installation process requiring just a crane and minimal effort. The entire process of setting up and photographing the new filter unit was completed in just three hours, showcasing the product’s quick and easy deployment. This new addition to NESTRO’s product lineup offers multiple features and advantages tailored to the needs of the woodworking industry, offering four distinct performance classes to cater to different air volume requirements.
Key Features
The NKJ compact filter is engineered to handle air volumes ranging from 13,000 to 32,000 m³/h. This versatility makes it suitable for a wide range of applications, from small workshops to large-scale woodworking operations. The filter system is compact yet powerful, and it is designed specifically for outdoor installations, ensuring that it can be used in various environmental conditions.
One of the standout features of the NKJ filter is its simple assembly process. The system consists of only three pre-assembled components that can be easily placed on top of one another and screwed together on-site. This modular design not only simplifies installation but also reduces the time and effort required for setup, making it a cost-effective solution for woodworking businesses. The three main components of the NKJ filter include:
Upper Compressed-Air Unit: This unit facilitates the cleaning process by utilising compressed air to blow off the filter cake.
Middle Filter/Fan Unit: The middle section houses the filter bags and the fan. It features intake and return air sections, ensuring optimal airflow and efficient filtration.
Base/Discharge Unit: This unit can be customised based on the specific needs of the business. It is available in four different types—bins, briquetting press, rotary valve, and Swiss container—allowing for flexible dust discharge options.
Efficient airflow and dust separation
The NKJ filter is equipped with a pre-separation chamber in the suction section, which plays a critical role in the early-stage separation of coarse chips and fine dust. By utilising gravity, the pre-separation chamber calms the airflow, allowing larger particles to settle before reaching the main filtration system. This step enhances the overall efficiency of the filter, as it reduces the load on the filter bags and prevents clogging. Once the coarse particles are separated, the fine dust is captured by the filter bags, which are regularly cleaned using compressed-air pulses from the upper section of the unit. The so-called filter cake is then blown off the filter bags and falls into a funnel, where it is discharged through the base/discharge unit. This design ensures that the filter remains highly efficient, even with extended use.
Clean air output and energy efficiency
NESTRO’s NKJ filter excels in delivering clean, filtered air back into the environment or the workshop. The system operates as a clean gas filter, ensuring that the air released to the outside or returned to the hall contains minimal dust. The certified residual dust content is less than 0.1 mg/m², making it compliant with the strictest air quality standards. The NKJ filter is also designed with energy efficiency in mind. The frequency-controlled fan(s) with high-performance impellers (efficiency class IE3) are located behind the filter hoses. These fans are only responsible for transporting clean air, further enhancing the energy efficiency of the system. This feature ensures that the filter operates with minimal energy consumption while maintaining optimal performance.
Impact on the woodworking industry
The introduction of the NKJ compact filter is set to make a significant impact on the woodworking industry, where dust extraction and air quality are critical considerations. Woodworking businesses can now benefit from an advanced, energy-efficient solution that meets both performance and environmental standards. The modular design allows businesses to customise the filter according to their specific needs, whether they require a high-performance solution for large-scale operations or a compact system for smaller workshops. Furthermore, the NKJ filter’s outdoor installation capability adds flexibility to the workspace layout, allowing businesses to free up valuable indoor space for other purposes. The quick and easy installation process also minimises downtime, enabling companies to maintain productivity without compromising air quality.
NESTRO’s NKJ compact filter is a game-changer for the woodworking industry, offering a powerful, efficient, and flexible solution to air filtration. With its compact design, easy installation, and high-performance capabilities, the NKJ filter is poised to set new standards in the industry. By providing businesses with a reliable way to manage dust and improve air quality, NESTRO continues to demonstrate its commitment to innovation and sustainability in the woodworking sector.
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