NIHOT
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- Offer Profile
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AIR TECHNOLOGIES
Nihot Recycling Technology is a proven market leader in the supply of waste separation technologies, systems and components, using controlled air. Nihot's air technologies reflect a superior reliability, offering a high waste separation efficiency.
Product Portfolio
Applications
- Nihot air technology can be incorporated into new system layouts and retrofitted into existing systems to separate and/or upgrade various waste input qualities.
RDF processing
- Producing alternative fuels like RDF (refuse derived fuel) and SRF (solid recovered fuel) asks for precise waste separation. Nihot systems and air technologies can be installed for the removal of inert material for the protection of secondary shredders and upgrading RDF into a high calorific value. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions for RDF upgrading:- SDS windshifter
- SDX windshifter SDi windshifter DDS windshifter Dust filters DRS disc screen
Plastics upgrading
- Separating film asks for precise waste separation. Nihot systems and air technologies can be installed for the separation of film from the waste stream, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions for Plastics upgrading:- SDS windshifter
- SDi windshifter
- WSS windshifter
- Film Vacuum System
- DRS disc screen
MSW processing
- Nihot systems and air technologies can be installed for the separation of MSW waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions in MSW waste:- SDS windshifter
- SDX windshifter
- SDi windshifter
- DDS windshifter
- WSS windshifter
- Film vacuum system
- DRS disc screen
C&I processing
- Nihot systems and air technologies can be installed for the separation of C&I waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions in C&I waste:- SDS windshifter
- SDX windshifter
- SDi windshifter
- DDS windshifter
- Dust filters
- DRS disc screen
C&D processing
- Nihot systems and air technologies can be installed for the separation of C&D waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions in C&D waste:- SDS windshifter
- SDX windshifter
- SDi windshifter
- DDS windshifter
- DRS disc screen
Metal recycling
- Nihot systems and air technologies can be installed for the separation of ASR waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions in metal recycling:- SDS windshifter
- SDi windshifter
- DRS disc screen
Packaging waste
- Nihot systems and air technologies can be installed for the separation of packaging waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions in packaging waste:- SDS windshifter
- SDX windshifter
- DDS windshifter
- WSS windshifter
- Film vacuum system
- DRS disc screen
Glass upgrading
- Nihot systems and air technologies can be installed for the separation of glass waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions for glass upgrading:- SDS windshifter
- SDi windshifter
- DRS disc screen
Biomass waste
- Nihot systems and air technologies can be installed for the separation of biomass waste into several fractions, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions in biomass waste:- SDS windshifter
- SDi windshifter
- DRS disc screen
Fines upgrading
- Nihot systems and air technologies can be installed for upgrading fines, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions for fines upgrading:- SDS windshifter
- SDi windshifter
- DRS disc screen
Aggregates/inert
- Nihot systems and air technologies can be installed for aggreagtes separation, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions for aggregates separation:- SDS windshifter
- SDi windshifter
Incinerator ash
- Nihot systems and air technologies can be installed for incinerator ash separation, i.e. to upgrade the value for further reuse or recycling. Due to our expertise and knowledge we design and offer the most efficient waste separation systems to find the most profitable solution for our customers.
Our solutions for incinerator ash separation:- SDS windshifter
- SDi windshifter
- DRS disc screen
Waste Separation Systems
- Nihot’s waste separation systems and solutions are utilized to separate waste on both material density and volume, using controlled air. Our systems and air technologies can be utilized for a wide range of applications.
WINDSHIFTERS
SDS windshifter
- The Nihot SDS windshifter (Single Drum Separator) is the ideal solution for separating all kind of waste types into two fractions, heavy and light. The robust construction and foolproof functionality guarantee a long lasting and trouble-free operation.
The SDS windshifter is using industry-leading negative pressure technology to sort a wide range of materials by density and particularly useful in processing e.g.:- Bad shredded materials
- Waste containing large materials
- Abrasive materials (glass, inert, car scrap, etc.)
- A high volume percentage of light materials (plastics and film)
- Hard and bulky soft materials
- High moisture contents
The Single Drum Separator easily separates Municipal Solid waste (MSW), Commercial & Demolition waste (C&D), Refuse Derived Fuel (RDF), compost, and more. 
Principle separating process
- The Single Drum Separator (SDS) has one splitter drum, at which the heavy material is separated from the light material. View the picture above for the operating principles.
Advantages
- The SDS is a high volume, high capacity system, offering:
- A high reliability
- Dust free operation – positive effect of negative pressure technology
- Versatility to process a wide variety of waste streams
- Adjustable separation settings during operation provide superior separation efficiency
- Low energy consumption due to our unique configuration with a recirculation fan (less ductwork)
- Low maintenance and very few wearable parts, i.e. reduced downtime, low operational costs
- Equipped with stone catcher to prevent blockage inside the blow ducting
SDX windshifter
- Our new SDX is a windshifter dedicated for RDF/SRF production plants, using industry-leading negative pressure technology to remove inert from the waste stream for the protection of secondary shredders.
We have developed this unique windshifter to meet our customer’s needs: premium protection at the lowest cost per ton. The new SDX windshifter will meet their expectations by innovative designing and engineering, quick delivery and quick on-site assembly. A standard machine, dedicated for RDF/SRF installations and the overall benefit of providing superior separation. The SDX can process fraction sizes of 0-500 mm. 
Principle separating process
- The picture above shows the operating principle of the SDX. The two-way fraction is created with an air separation point and a splitter drum, at which the heavy material is separated from the light material.
Advantages
- These and other advantages result in premium protection at the lowest cost per tonne:
- Removing inert for the protection of the secondary shredders
- Smart design and engineering, i.e. quick delivery time and quick assembly on-site
- Integrated recirculation fan and limited ducting
- Low maintenance and very few wearable parts, i.e. reduced downtime, low operational costs
- Equipped with stone catcher to prevent blockage inside the blow ducting
- Low energy consumption due to our unique configuration with a recirculation fan
- Dust free operation, the positive effect of negative pressure technology
- Equipped with stone catcher to prevent blockage inside the blow ducting
DDS windshifter
- The Nihot DDS windshifter (Double Drum Separator) is the ideal solution for a three-way and high-volume separation. The DDS has two separating sections, this unique separating solution separates the input into
three fractions:
- heavy
- mid-heavy
- light
The DDS windshifter is especially capable of processing e.g.:- High moisture content
- Abrasive materials (glass, inert, car scrap, etc.)
- A high volume percentage of light materials (plastics and film)
Principle separating process
- The picture above shows the operating principles of the DDS. The three-way fraction is created with dual air separation points and two splitter drums.
Advantages
- The DDS has many advantages, offering:
- 3-in-1 separation at high capacities
- High operational reliability
- Dust free operation – positive effect of negative pressure technology
- Versatility to process a wide variety of waste streams
- Adjustable separation settings during operation provide superior separation efficiency
- Low energy consumption due to our unique configuration with a recirculation fan (less ductwork)
- Low maintenance and very few wearable parts, i.e. reduced downtime, low operational costs
- Equipped with stone catcher to prevent blockage inside the blow ducting
SDi windshifter
- The SDi is a semi-mobile, plug-and-play windshifter using industry-leading negative pressure technology to sort a wide range of material by density.
The SDi series is available in two models, semi-mobile and stationary, with an integrated dust filtration system, an electrical cabinet, support and for abrasive materials with a wear resistant (WR) configuration. Usable for virtually all kinds of solid waste up to 200 mm such as: Commercial and Industrial waste (C&I), Commercial & Demolition waste (C&D), Municipal Solid waste (MSW), Refuse Derived Fuel (RDF), Automotive Shredder Residue (ASR), compost, and more. 
Principle separating process
- The picture above shows the operating principle of the SDi. The two-way fraction is created with an air separation point and a splitter drum, at which the heavy material is separated from the light material.
SDi test unit
Curious? We have fully operational SDi test units which can prove the separation efficiency on your site with your waste input.
Advantages
- These and other advantages result in a fast return on investment and low operational costs:
- Plug-and-play air separator with an integrated dust filter and electrical cabinet, and fitted with extendable support legs
- Adjustable separation settings during operation provide superior separation efficiency
- Fast and easy to install: Operational within 30 minutes of delivery
- Low energy consumption due to our unique configuration with a recirculation fan (less ductwork)
- Low maintenance and very few wearable parts, i.e. reduced downtime, low operational costs
- Dust free operation – positive effect of negative pressure technology
- Versatility to process a wide variety of waste streams
- Equipped with stone catcher to prevent blockage inside the blow ducting
- Fits in a standard semi-trailer or 40’ container
SDM windshifter
- Our new SDM windshifter is a self-propelled mobile windshifter built on caterpillar tracks, a configuration that expands the versatility of a mobile windshifter when processing various waste types in different places. We have developed this unique SDM windshifter to meet our customer’s needs: Premium heavy/light separation combined with mobility comfort.
The SDM windshifter, the most reliable and versatile heavy/light separator, is now available on tracks allowing customers the opportunity to choose the configuration which best suits their application and environment. Usable for all kinds of solid waste up to 200 mm such as: Commercial and Industrial waste (C&I), Commercial & Demolition waste (C&D), Municipal Solid waste (MSW), Refuse Derived Fuel (RDF), Automotive Shredder Residue (ASR), compost, and more. Principle separating process
- The picture above shows the operating principle of the SDi, a windshifter similar to the SDM. The two-way fraction is created with an air separation point and a splitter drum, at which the heavy material is separated from the light material.
Advantages
- Self-propelled, equipped with Atlas Copco QAS 40 generator
- Built on tracks, to manoeuvre on any terrain
- Including heavy fraction discharge conveyor
- Adjustable separation settings during operation provide superior separation efficiency Low energy consumption due to our unique configuration with a recirculation fan (less ductwork)
- Low maintenance and very few wearable parts, i.e. reduced downtime, low operational costs
- Versatility to process a wide variety of waste streams
- Equipped with stone catcher to prevent blockage inside the blow ducting
WSS windshifter
- The Nihot WSS windshifter is the ideal solution for any operation, but especially in tight spaces and in retrofits. Material is pneumatically conveyed, creating a great deal of flexibility for conveyor placement and duct routing.
The typical characteristic of a diagonal windshifter (WSS) is the use of a blow nozzle. About 60% of the aspirated air is returned back into the system. This allows for a smaller dust filter. But more over it helps to control the separation efficiency since we can fully adjust the blown air separately from the aspirated air. The WSS windshifter offers high separation efficiency with flexible footprint and can process fraction sizes of 20-400 mm and is mainly used in light packaging waste (DSD/PMD), PET, MSW and compost. 
Principle separating process
- The windshifter is a combination of a recirculation fan, a separation unit (the actual windshifter), and either a Rotary Air Separator (RAS) or Combi Separator. This configuration is individually designed and ideal for any operation, especially in tight spaces and in retrofits. A RAS can be installed for light weight fractions up to 3 t/h. When more capacities of light weight materials are applicable the Combi Separator can be used instead.
The picture below shows the operating principle of the WSS. The separation unit of the WSS windshifter has a diagonal design. In the diagonal shifter unit, the heavy materials are separated from the light materials.
Advantages
- High separation efficiency of up to 99%
- Flexible, can be set up in many different ways/layouts
- Adjustable separation settings during operation provide superior separation efficiency
- Up to 60% of the exhaust air is re-used and this allows for a smaller dust filter
- Versatility to process a wide variety of waste streams, especially light packaging material
- Low energy consumption due to our unique configuration with a recirculation fan
- Low maintenance and very few wearable parts, i.e. reduced downtime, low operational costs
- Dust free operation – positive effect of negative pressure technology
WSV & WSZ windshifter
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The WSV and WSZ windshifters are the ideal solution for removing light fractions from liberated and densified input materials, with a high separation efficiency of up to 99%.
WSV principle separating process
The windshifter is a combination of a recirculation fan, a separation unit (the actual windshifter), and either a Rotary Air Separator (RAS) or Cyclone. This configuration is individually designed and ideal for any operation, especially in tight spaces and in retrofits. As an alternative to a Rotary Air Separators (RAS) we offer a complete range of Cyclones for fraction sizes from 0-20 mm.The picture below shows the operating principle of the WSV. The shifter unit of the WSV windshifter has a vertical design. In the vertical separation unit, the heavy materials are separated from the light materials. 
WSZ principle separating process
- The shifter unit of the WSZ windshifter is of a zigzag-type design. In the zigzag separation unit, the heavy materials are separated from the light materials.
Advantages
- Ideal solution when the density of the light and heavy waste fractions are close together
- The cascade design combined with gravity is splitting the material and the lighter material is transported in the airstream to the e.g. Cyclone
- Adjustable separation settings during operation provide superior separation efficiency
- Ideal for any operation, but especially in tight spaces and in retrofits. Material is pneumatically conveyed, creating a great deal of flexibility for conveyor placement and duct routing
- Versatility to process a wide variety of waste streams
- Separation efficiency of up to 99%
- Low energy consumption due to our unique configuration with a recirculation fan
- Dust free operation – positive effect of negative pressure technology
DRS disc screen
- The DRS (Debris Roll Screen®) is the premiere sizing tool for Single Stream, Municipal Solid Waste (MSW), Construction and Demolition (C&D) waste, wood waste, compost, green waste, plastics, glass, tires and various other materials.
BHS Tri-Disc™ Technology
- The unique Tri-Discs™ are in-line from shaft-to-shaft, creating a precise opening for highly-accurate material sizing. Their hardened steel, triangular shape provides superior material agitation and true sizing in a small footprint.
- Industry’s most accurate material sizing
- Superior throughput and agitation in smaller footprint than trommels
- Minimal wrapping and clogging
A few specific benefits and characteristics:- Excellent material agitation and separation
- Patented in-line discs provide accurate sizing of material, reducing product loss
- Disc and shaft design reduces material wrap, increasing uptime
- Small footprint
- Low power consumption
DRS test unit
Curious? We have a fully operational DRS test unit which can prove the separation efficiency on your site with your waste input.
Advantages
- Due to the special in-line configuration, shape (Tri-Disc™) and specific timing of the discs, long and flexible items are unlikely to wrap.
- The special designed Tri-Discs generates a very effective ‘wave-like agitation’ to liberate the material while transporting over the screen deck
- Strong, completely solid and hardened discs.
- First 1-3 shafts are used as impact shafts.
- Inclined and declined decks available, depending on the nature of the waste.
- Available in single, double and triple deck variations.
- Double and triple decks impart a ‘waterfall’ effect, flipping material to ensure complete separation
- Low power consumption
Max-AI® robotic sorters
- Max-AI robotic sorters uses artificial intelligence and robotics to sort waste so humans don’t have to. Through deep learning technology, Max employs both multi-layered neural networks and a vision system to see and identify objects similarly to the way a person does.
From robotic sorting to real-time material identification, this technology is powering real solutions and reduce any health risks that come along with human labor. Especially with COVID19 of high importance, removing gloves and masks from the waste stream. Max-AI product range
- The Max-AI AQC (Autonomous Quality Control) sorters are the ultimate in post-sort automation. The AQC makes multiple sorting decisions autonomously; for example, separating thermoform trays, aluminum, 3D fiber and residue from a stream of optically-sorted PET bottles.
Film Vacuum System
- In sorting cabins where manual sorting takes place, Nihot offers a series of very flexible and effective extra collection points for taking out film and foils from waste streams. The Film Vacuum System (FVS) is a combination of one or more suction points above a sorting belt, a recirculation fan and a Rotary Air Separator (RAS).
The FVS consists of one or more suction points, a re-circulation fan, and a material/air separator. The complete systems works in a closed loop. This means that the air which is used to suck the material is 100% brought back into the system. The FVS can be easily installed in existing sorting cabins.Principle separating process
The material which is (manually) brought to the suction point, is sucked into suction hood and pneumatically conveyed to a RAS where the material is dropped pressure less onto a conveyor belt or storage bay. Advantages
- Closed-loop air system
- Unique concentric ducting
- No surrounding air extracted
- Creates ergonomic picking
- Applicable for multiple suction points
- Single discharge to any preferred destination
- Does not influence the air temperature inside a cabin
- No (air) conditioning of sorting cabin needed
- Easily added to new or existing cabins
- Maintenance free
Shredder Filters
- For all Nihot installations we offer a full range of dust filters in compliance with ATEX and CE regulations. The filters can be supplied in both positive as well as negative pressure variants.
The filters are characterized by their ability to coop with small particles like film, foils and paper that are not removed before entering the dust filter. All filters are versatile, maintenance free, highly reliable and have low energy consumption.DF Filters
Dedicated filter for secondary shredders /granulators / balers
The filters are characterized by the fact that they operate independently from a centralized dedusting system. They can be fitted an all makes and models of secondary filters and are, maintenance free, highly reliable and have low energy consumption.Dust Control
Our dust suppression systems control the (interior) air quality and conditions. Our systems and services comply with the applicable: Health and safety regulations Environmental regulations with regard to dust emission ATEX regulations, regarding vapour and dust explosion Advantages
- Fully independent filter and not connected to a centralized dust filter
- No separate dust collection needed
- Dust is discharged with the RDF
- The electrical controls can be integrated in the controls of the secondary shredders
- Can be mounted directly onto the secondary shredder if allowed by the manufacturer
