Sudenga Industries employs the latest advances in manufacturing technology and production methods to produce solid, reliable grain leg systems that are available for both commercial and on-farm applications. Our bucket elevators have many features that set them apart. Just compare ours to others. Jigged and robotically welded components, pre-welded platforms for ease of assembly, high quality double-row spherical and tapered roller pillow block bearings, drum style slatted boot pulleys, rubber leg belt and heavy gauge construction all come standard. Sudenga bucket elevators offer the value added features that you and your operation demand. Our finish is an attractive, durable blue enamel, with other colors available on request. Hot dipped galvanized finish is available for ultimate long term resistance to the elements.
Contact us for assistance in selecting and pricing a complete bucket elevator system. Our experienced, knowledgeable staff is available to help guide you through the selection process. Whether you have been thinking about your material handling system for years or days, give us a call, we can provide assistance which will help you avoid common pitfalls and mistakes that cost time and money.
The difference is in the details. Sudenga bucket elevators are designed and built to exacting specifications giving the owner a system that will provide more years of service, with less downtime and repair. Sudenga elevator legs produce advertised capacities with extreme reliability. All welded construction. Painted or hot-dipped finish.
Sudenga is your one stop source for complete grain leg systems. Support equipment includes: elevator leg support towers in all common sizes, super span catwalk, 40 degree and 60 degree flat back and full round distributors, spouting and truss kits, rack and pinion gates, elbows, transitions, hoppers, deadheads, and more.
FEECO has been building custom bucket elevators for over 65 years. We offer a variety of bucket elevator designs and sizes to handle materials ranging from dry dusty powders such as fly ash, to heavy materials such as iron ore pellets. Bucket elevators can be ordered in a number of configurations, including centrifugal belt, centrifugal chain, continuous belt, continuous single chain and continuous double chain.
Centrifugal bucket elevators are chosen when there is a need to move large amounts of material quickly. Instead of direct loading, buckets serve as the loading apparatus, scooping material up from the boot or inlet section. For this reason, durable buckets should be selected with this design. Centrifugal force at the head pulley throws material from the buckets into the discharge chute. The buckets are spaced in wider intervals to prevent discharge interference from the preceding bucket and to assure maximum fill of the buckets at the boot end while moving at a higher speed. The design of this style yields optimized material fill and reduced interference between buckets.
Continuous bucket elevators are designed to handle friable, fragile materials to minimize product degradation or damage. They are also ideal for handling sluggish or abrasive materials. Continuous bucket elevators are also used to convey light, free-flowing matter where aeration of the material must be avoided.
Material is fed into the buckets from an inlet chute. Buckets are designed for gentle discharge; the buckets are closely spaced on the belt or chain to allow the material to flow over the backside of the preceding bucket, whose extended sides form a chute to guide the material into the discharge spout. Direct loading of the material, combined with the slow speed of this elevator type, avoids the throwing action associated with centrifugal style elevators, making it ideal for use with fragile materials.
Chain bucket elevators provide a higher-capacity, more durable handling option. They are best for jobs requiring rugged handling of large particles, or materials that are heated or have a potential for combustion.
All FEECO equipment and process systems can be outfitted with the latest in automation controls from Rockwell Automation. The unique combination of proprietary Rockwell Automation controls and software, combined with our extensive experience in process design and enhancements with hundreds of materials provides an unparalleled experience for customers seeking innovative process solutions and equipment.
Bucket elevators can handle a variety of materials, and therefore are used in many different industries and applications, though generally, they are not suited for wet, sticky materials, or materials that are stringy or tend to mat or agglomerate. They are frequently found in bulk material handling settings such as power plants, fertilizer plants, pulp & paper mills, and steel production facilities. Some of the most common materials for which bucket elevators are employed include:
Flexibility: Make sure the bucket elevator manufacturer is prepared to tailor the unit to the specific requirements of the material being handled, as well as any operational goals. This will ensure an efficient and reliable handling solution with long-term dependability.
Material Experience: Many bucket elevator manufacturers specialize in a specific industry. In choosing a manufacturer, ensure they have experience around the unique challenges of the material to be handled.
Aftermarket Support: Select a manufacturer that has the capabilities to service and maintain their equipment for a maximum return on investment. This includes provision of spare parts, training, installation assistance, and more.
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Image: The image above shows the scooping and throwing action of the centrifugal belt style elevator at left. At right, the more gentle feeding and discharge of the continuous belt style elevator is shown. Bucket Elevator Styles: The image above shows the scooping and throwing action of the centrifugal belt style elevator at left. At right, the more gentle feeding and discharge of the continuous belt style elevator is shown.
FEECOs bucket elevators are designed and fabricated to the highest quality standards. With over 65 years of experience, our equipment is especially valued in tough applications that require a high amount of ingenuity to achieve success.
Schlagel belt and bucket elevator legs compliment our line of handling equipment with performance and quality proven in the industry since 1957. As with all our equipment, we guarantee the performance and quality of these legs and design them for high reliability and low maintenance.
We manufacture standard models in sizes and capacities demonstrated by our years of experience to best fit the needs of most applications. We calculate capacities at water level plus 10% cup fill and use low belt speeds in both single and multiple row cup models.
Larger sizes and models with special features are always available on request to fit your needs. Our engineering department is ready to help you design the right equipment to meet the special needs of your application.
The head section is designed and ruggedly constructed to withstand the torque of drive components, maintain alignment and to aid in maintenance. We fabricate the lower portion from 10 GA steel and the hood from 12 GA steel with a pressure relief door on the top of the leg as a standard feature. We provide standard A.R. steel liners and offer additional optional liners to extend service life (see options page). The head pulley is crowned, lagged and mounted on the head shaft with tapered bushings to eliminate side movement. We select bearings to handle severe service with roller bearings standard on larger sizes and provide jack-bolts under the head shaft bearings on all models to allow ease in field shimming for proper belt tracking.
The standard head section comes with one grated hinged door in the hood section, which can be placed on either side of the head for inspection; most sizes have a pressure relief vent located on top of the hood. There are two rubber plugs that are used to inspect the pulley lagging. Always follow proper lock out tag out procedures before removing any doors or plugs.
Heavy 7 or 10 GA bolted steel construction boot provides a solid base with heavier gauges available (model and application determines material gauge). We include many standard features to insure continued ease in operation and maintenance. Proper belt tension is easily maintained with plated take-up screws and solid brass take-up nuts. Standard crowned boot pulleys are available in either drum or wing style. Cut-outs are located on both up and down sides with a boot pocket installed on the up side and bolted cover plate on the down side as standard. Clean-out doors on both ends of the boots are also standard features.
Most materials should be fed into the up side. Light and bulky materials give better cup fill when fed on the down side. Our up side inlet location insures that material enters the cups at or above the pulley centerline.
Our trunking provides superb dust tight and weather tight protection with continuous jig welded 12 or 10 GA steel construction with heavier gauges available (material gauge depends on model and application). Trunking is standard in 10 foot lengths with alignment ties provided for each joint. All trunking seams are butt welded and end flanges are heavy flat bar so no overlapping metal parts will trap corrosive moisture or product.
Rubber belt with vented plastic cups is standard on Schlagel legs. Special belting such as PVC, high temperature or food grade belt is available on request as are steel cast, or nylon cups in non-vented or other venting patterns. Material type, feeding arrangement, head pulley diameter and belt speed, along with many other more subtle factors, affect the loading and discharge characteristics of bucket elevator cups and the performance of your leg.
Standard drives are shaft mounted gear reducers with backstop. Dual drives are available for very high horse power requirements. When furnished with our legs, drives are complete with sheaves, belts and belt guards. We can also supply motors. Unless otherwise specified, drives are supplied for right hand mounting and Class II service.
The development of the Universal Industries bucket elevator is the culmination of customer feedback and industry research into the request for a better solution to handle specific materials. Universal Industries continuously strives to exceed customers expectations to design and manufacture the best result for your material handling needs.
Alpha Series bucket elevators and grain legs are perfect for gently handling bulk products. The Alpha Series model offers an EASY DUMP capacity rating that utilizes gravity discharge techniques to reduce product damage, and are available in different capacities and speeds and bucket types.
G Series elevators are twin trunk casing, centrifugal discharge elevators. The head contour, pulley diameter, bucket size, and belt speed have been carefully selected to maximize capacity and minimize product damage during the discharge when moving peanuts in the shell and other lightweight materials.
Even more gentle than our Alpha Series, the P Series elevators excels at gently handling materials that are subject to impact damage, such as edible beans or food products. The weather-tight, dust-tight construction and innovative boot design is carefully fitted to assure superior and continuous clean-out.
U Series bucket elevators utilize a single trunk casing and are built with thicker steel to handle corrosive, abrasive and hostile materials. When the elevator experiences extreme temperatures and/or additional harsh material characteristics, we offer a chain option.
Our Top Take-up U Series elevators are constructed with the take-up system in the head casing rather than the boot. This design allows for a curved bottom boot to reduce product build up and offers a better seal for fine and dusty materials.
Our SC elevator is ideal for processing plants for food and other bulk solids and for processes that require impeccable sanitation and inspection. The front side panels open quickly for inspection and for cleaning inside the casing, as well as belt removal.
The UniMAX bucket elevator is a high capacity centrifugal discharge elevator engineered to meet the most strict industry standards. The elevator head, boot, and intermediate sections have been designed with adequate space for buckets and belt to travel un-impeded throughout the system. Bucket spacing and belt speeds follow recommendations and standards set forth by industry leaders. UniMAX bucket elevators are designed with cleanliness in mind by eliminating shelves for material to build up in the head, inspection doors, vents, access and boot section. The casings were also designed for afterthought installation of hazardous monitoring equipment to eliminate cutting and grinding on newly purchased elevators.
Safety is priority UniMAX elevators are built with the provisions to install hazardous monitoring equipment. The boot and head casings have removable covers to install belt alignment sensors and boot shafts are drilled and tapped for speed sensors. The boot bearing guards offer a take up location indicator and knock outs to access grease zerks and installation of bearing temperature sensors.
Since 1906, Universal Industries, Inc. has been striving to manufacture quality & reliable equipment serving the bulk material handling industry. Our decades of knowledge and experience in the industry has allowed us to design and engineer products that create significant value for our customers.
Universal Industries, Inc. designs and manufactures bucket elevators / grain legs, slider belt conveyors, idler bed conveyors, continuous cup elevators, and grain & commodities equipment that is suitable for a wide variety of industries and materials.
Whether hot or cold: a bucket elevator, also known as a grain leg, is the economical solution for the vertical transport of bulk materials. As the market leader, we have been developing increasingly sophisticated technical solutions for vertical conveying for a number of years. This is why we are now in a position to offer the optimal bucket elevator configuration for the a wide range of applications. Both chain bucket and belt bucket elevators have proven themselves in continuous operation under difficult and sometimes extreme conditions.
We have done pioneering work in the field of high-performance bucket elevators. The development of high-quality continuous steel cord belts, as well as the bucket fastenings make it possible to build bucket elevators with material flows of 2,000 m3/h and more. This equates to a remarkably high conveying speed.
In the cement industry, bucket elevators can reach conveying heights of up to 200 m for feeding heat exchangers. We also manufacture explosion-proof versions of bucket elevators in accordance with the ATEX directives of the European Union.
As belt bucket elevators offer many advantages compared to chain bucket elevators, the trend nowadays is going towards belt bucket elevators. For example, BEUMER steel cord belts allow much longer service lives than chains. Only when the material temperature of the bulk material to be conveyed exceeds 130 C on a continual basis are central chain bucket elevators used. This means that only the sustained temperature of the bulk material to be conveyed determines whether a belt bucket elevator or chain bucket elevator is required.
The key component of a belt bucket elevator is the belt. As the market leader, we have developed particularly robust heavy-duty steel cord belts with wire-free sections for the bucket elevator attachments. Our highly robust belts are available with belt strengths of up to 3,300 N/mm. Fabric belts are also available for lower strengths.
For an even distribution of the retention forces, the buckets are fastened with forged segment brackets. This reliably prevents the buckets from tearing out. In addition, profiled rubber plates between the buckets and the belt ensure a positive bond between these two elements.
All BEUMER bucket elevators meet our high quality standards. In order to achieve the fullest satisfaction of our customers, we are constantly working to develop more efficient conveying technology. The robust design of our bucket elevators ensure a long service life for the vertical conveyance of both coarse and fine-grained bulk materials.
For instance, we have optimized the bucket design for the cement industry. The gapless design between the belt and bucket prevents coarse material from getting stuck and damaging the belt, especially during diversion. But also for the transport of sticky bulk materials we produce the necessary special solutions with the utmost attention to detail. We also find solutions for bulk materials that have a tendency to stick. Other bulk materials, on the other hand, can be highly abrasive. Our special bucket elevators can withstand the wear caused by heavy friction and can handle the most difficult substances. In some conveying scenarios, the corrosion resistance of the bucket elevator plays a critical role. To protect against corrosion, we manufacture the buckets, chains and steel cables of the belts completely or partially in stainless steel.
In order to ensure safety when using our conveying technology, the bucket elevators are equipped with an electronic or mechanical belt misalignment monitoring system. Furthermore, both the speed and the filling level can be monitored during the conveyance.