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Latest update: 13.12.2022
RHEWUM GmbH
TEL: +49 2191 5767-0
FAX: +49 2191 5767-111
Rosentalstr. 24
D-42899   Remscheid
Germany
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+49 219 15 76 70
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While others are just screening, we are seeing the big picture. Since its foundation RHEWUM has always been looking for the perfect solution. As the leading company in the field of industrial sieving technology we do not just provide screening machines, but the optimal separation of bulk materials that is perfectly tailored to your needs. We can achieve this through customized technology that offers unrivaled reliability with the highest service and product quality.
Applications for screening machines
Categories
Separation, sieving, filtering - Sieving, sieves - Control sieves
Separation, sieving, filtering - Sieving, sieves - Disc sieves
Separation, sieving, filtering - Sieving, sieves - Drum sieves
Separation, sieving, filtering - Sieving, sieves - Flat screens
Separation, sieving, filtering - Sieving, sieves - Rotary sieves
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Categories
Separation, sieving, filtering - Sieving, sieves - Control sieves
Separation, sieving, filtering - Sieving, sieves - Disc sieves
Separation, sieving, filtering - Sieving, sieves - Drum sieves
Separation, sieving, filtering - Sieving, sieves - Flat screens
Separation, sieving, filtering - Sieving, sieves - Rotary sieves
Separation, sieving, filtering - Sieving, sieves - Shake sieves
Separation, sieving, filtering - Sieving, sieves - Vibratory sieves

Articles

Sand extraction through mobile processing Due to the flourishing construction industry, sand is now the second most traded raw material after water. But suitable sand resources are limited. RHEWUM has developed a solution to produce sand from widely spread gravel right next to the customer.
Sand extraction through mobile processing
Due to the flourishing construction industry, sand is now the second most traded raw material after water. But suitable sand resources are limited. RHEWUM has developed a solution to produce sand from widely spread gravel right next to the customer. A flourishing construction industry without sand is unthinkable. According to One Stone Consulting, around 10 to 15 billion tons of building sands are required worldwide each year (1). In addition, we need industrial sands, for example for fracking or the glass industry. This corresponds to a per capita sand consumption of about two to eight tons per year, so that a total of 40 to 50 billion tons of sand and gravel must be extracted. This makes sand the second most traded raw material after water (2). Since the demand for sand is growing faster than suitable sand resources can be found, sand is instead produced from gravel or transported over long distances. This is not environmentally reasonable. RHEWUM has developed a solution to process sand mobile and therefore directly on site. THE RAW MATERIAL Quartzite sand is mainly used in the construction industry. It consists of silicon dioxide (SiO2). The great hardness of the material (7° according to Mohs) is an advantage.
13.09.2023  |  1810x  |   | 
Screening insects as an alternative protein source Insects such as buffalo worms and mealworms are a sought-after source of protein as sustainable feed as well as for a climate-friendly diet. RHEWUM has the technology for gentle sieving of live larvae on an industrial scale.
Screening insects as an alternative protein source
Insects such as buffalo worms and mealworms are a sought-after source of protein as sustainable feed as well as for a climate-friendly diet. RHEWUM has the technology for gentle sieving of live larvae on an industrial scale. Like many other insects, buffalo and mealworms are a high-quality source of animal protein. Buffalo worms are the larvae of the glossy grain mould beetle and grow to about 7 to 11 millimetres in length [1]. Worm, or not Flourworms are the larvae of the flour beetle and grow considerably larger than buffalo worms, reaching up to 40 millimetres. Both are larvae of the black beetle family and are not worms in the true sense, as they each have three pairs of legs. Nevertheless, for the sake of simplicity, the buffalo and mealworms are referred to here synonymously as larvae and worms. Climate-friendly proteins Compared to other farm animals, the breeding and keeping of buffalo and mealworms is much more climate-friendly, which means that worms are becoming increasingly important as a component of a sustainable diet. For each kilogram of edible protein from insect larvae, a similar amount of energy is required as for each kilogram of protein from milk, chicken,
14.12.2022  |  4205x  | 

Posts

Revolutionizing High-Precision Screening: RHElite Announcing the launch of our latest innovation, the RHElite high-precision screen, a groundbreaking solution designed for the most demanding industrial applications.
Revolutionizing High-Precision Screening: RHElite
Announcing the launch of our latest innovation, the RHElite high-precision screen, a groundbreaking solution designed for the most demanding industrial applications. Engineered with a perfect blend of steel and Carbon Fiber Reinforced Polymer (CFRP), the RHElite sets new standards in the screening of finest high-end products. How is it possible to build such a machine? Due to the anisotropic behavior of certain types of GFK (glass-fiber-reinforced plastic), where mechanical properties such as strength and stiffness vary depending on the direction, the machine can be specifically optimized for certain load directions. This allows for more efficient and targeted use of materials. Optimized for Unmatched Precision Screening The RHElite is engineered to perform with unparalleled precision, making it the top choice for the screening of the finest high-end products. Its advanced technology ensures sharper separation of fine particles, significantly enhancing the quality of your output. The sophisticated design and superior performance of the RHElite outpace traditional models, offering a more energy-efficient solution that meets
12.06.2024  |  587x  |  Product news  | 
Screening machines for separating glass fiber-reinforced polyamide Learn how RHEWUM’s screening technology optimizes the separation of glass fiber reinforced polyamide beads to increase quality and efficiency in material processing.
Screening machines for separating glass fiber-reinforced polyamide
Learn how RHEWUM’s screening technology optimizes the separation of glass fiber reinforced polyamide beads to increase quality and efficiency in material processing. Introduction The industry is continuously faced with the challenge of processing materials not only efficiently and economically, but also meeting the quality requirements of end products. A special focus is on the processing and separation of plastics, especially glass fiber-reinforced polyamide spheres (PA GF). These specialty plastics, enriched with glass fiber, offer improved mechanical properties and are therefore in high demand in many technical applications. Efficient sieving of these materials is crucial for the purity of the end product and thus for the quality. In this context, RHEWUM sieving machines play a central role. Technological progress in sieving technology RHEWUM’s sieving technology is based on long experience and continuous development to meet the specific requirements of different materials. Particularly in the separation of glass fiber-reinforced polyamide spheres, it is essential to achieve precise separation to secure the desired material
06.05.2024  |  341x  |  Insight  | 
Screening Machines for Lithium-Ion Battery Recycling As the world gravitates towards sustainable solutions, the recycling of lithium-ion batteries has emerged as a crucial element in our green future.
Screening Machines for Lithium-Ion Battery Recycling
As the world gravitates towards sustainable solutions, the recycling of lithium-ion batteries has emerged as a crucial element in our green future. Central to this process is the handling of ’black mass,’ a complex substance that presents unique challenges in recycling and especially screening. Understanding Black Mass Screening Black mass, primarily composed of valuable metals like lithium, cobalt, and nickel, also contains graphite, which complicates the recycling process. Screening is essential at different stages, such as removing larger metal foils during black mass creation and purifying black mass by removing materials like aluminum and copper. The primary challenge arises from the large fraction of fine graphite particles in black mass, which can be as small as 10 µm. The nature of fine graphite as a sticky, greasy material complicates the process. It tends to adhere to other particles, making separation difficult. Additionally, graphite’s propensity to clog meshes and form agglomerates that move as cakes across screens reduces screening efficiency. Traditional screening methods often struggle
18.03.2024  |  3163x  |  Product news  | 
Sugar - tailor-made to customer specifications Sugar is usually offered in different particle sizes depending on sales requirements. The requirement: Fifteen different particle sizes
Sugar - tailor-made to customer specifications
Sugar is usually offered in different particle sizes depending on sales requirements. The requirement: Fifteen different particle sizes A customer approached RHEWUM with a request to offer fifteen different particle sizes for sugar products. The customer supplies a number of different sugar processing industries, including companies as diverse as beverage manufacturers and bakeries. RHEWUM was therefore asked to provide screening machines that could process the feed material in three stages from very fine classifications to rather coarser separations in the final stage. Versatile high-performance machines Machines of the RHEsono type were used for the fine separations. Here, a high-frequency beater bar movement discharges the screenings at right angles from the screen mesh - the inclination of the mesh enables the screenings to be transported over the screen. For the two stages with coarser separations, smaller machines of the RHEmoto type were used. Maintenance-free unbalanced motors located outside the screen housing transmit high-frequency vibrations via oscillating axes directly into the screen
02.02.2024  |  1128x  |  Product description  | 
 Efficient separation technology for foundries Foundries face the challenge of efficiently separating casting molds and sand cores from cast metal parts. This sand must be recycled.
Efficient separation technology for foundries
Foundries face the challenge of efficiently separating casting molds and sand cores from cast metal parts. This sand must be recycled. What is Cast Shakeout and Sand Shakeout? After the molten metal is poured into the molds and solidified, these molds need to be removed to obtain the finished castings. This process is called shakeout. Cast Shakeout specifically refers to the separation of casting molds or cores from the cast metal parts. Cores made of materials such as ceramics, which have a different composition than the surrounding sand, are often used. To obtain the final shape of the casting, these cores need to be removed. On the other hand, Sand Shakeout involves the separation of sand molds and sand cores from the cast metal parts. Sand is commonly used as a molding material in the foundry industry. Once the metal is cast and solidified, the sand molds need to be removed to expose the castings. RHEtrans for efficient Cast Shakeout RHEtrans by RHEWUM is an oscillating chute with an unbalanced drive, known for its economical conveying capability and robust, reliable construction. RHEtrans
11.01.2024  |  1085x  |  Insight  | 
Screening machines with pneumatic vacuum cleaning for sorbitol Four profitable RHEsono® vibrating screening machines equipped with pneumatic vacuum cleaning technology have been delivered to Shanghai, China.
Screening machines with pneumatic vacuum cleaning for sorbitol
Four profitable RHEsono® vibrating screening machines equipped with pneumatic vacuum cleaning technology have been delivered to Shanghai, China. These machines are set to advance the sieving process for sorbitol, a widely used sugar substitute and food additive (E 420) in various industrially manufactured food products. Each of the four RHEsono® sieving machines is equipped with three sieve decks and a remarkable processing capacity of 10 tons per hour. The sieving application involves sorbitol with three distinct particle size fractions: 1.25 mm, 0.5 mm, and 0.28 mm. Sorbitol, also known as food additive E 420, glucitol or hexanhexol, belongs to the group of sugar alcohols, making it a crucial ingredient in the food industry as a sugar substitute, carrier substance, and moisture retention agent. The Challenge of Sieving Sorbitol Sorbitol processing can be a challenging task due to its sticky nature even when it has low moisture levels. This characteristic can lead to sieving complications, including mesh clogging, which can negatively impact product quality. To address this issue, RHEWUM’s RHEsono®
14.12.2023  |  1444x  |  Product news  |   | 
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