Screw Feeders & Live Bottoms
Screw feeders and live bottoms are one of the most accurate and efficient methods of metering bulk materials. Many processes begin with bulk materials being discharged from hoppers, bins or silos. The inlet area is flood-loaded and designed to meter bulk materials at fixed or variable rates. With our extensive knowledge and experience, KWS will provide a system to meet all of your requirements.
Mass Flow Screw Feeders Industry Solutions
Advantages of Using Screw Feeders & Live Bottoms
- Ideal for metering a wide variety of bulk materials – from sluggish to free-flowing
- Design flexibility – Can be a single or multiple-screw design depending on hopper design and required feedrate
- Can be designed with variable frequency drives to provide a wide range of feed rates to downstream processes
- Bulk materials are discharged in mass-flow or first-in, first-out with uniform flow – no bridging or rat-holing of bulk materials in hopper
KWS Screw Feeders and Live Bottoms are custom designed for your application. Bulk material characteristics, feed-rate and hopper or silo configurations are considered when designing the proper solution for your application.
Available Features / Options
- Custom Engineered For Your Specific Application
- Wide Range Of Construction Materials – Carbon Steel, Stainless Steel and Abrasion-Resistant Alloys
- Flight Configurations Designed For Material Characteristics – Variable Pitch, Mass-Flow or Tapered Flight
- High Torque Drive Units To Start Up Under Head Load Conditions
- Single Screw Feeders
- Multiple-Screw Live Bottom Feeders
- Shaftless Screw Feeders
- Mass-Flow Screw Feeders
Available Configurations
KWS is the industry leader for designing screw feeders and live bottoms. KWS is an ISO 9001:2015 certified manufacturer. Every component and assembly is manufactured in the USA by highly skilled craftsmen. All KWS welders are certified in accordance with American Welding Society (AWS) Codes. KWS Screw Feeders and Live Bottoms are manufactured to rigid quality standards.
Problem Solvers for Screw Feeders & Live Bottoms
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Metering Dextrose from Super-Sacks for Georgia Pacific Building Products in Fletcher, OK
A team from KWS visited the facility and met the Georgia Pacific Plant Engineer to determine the exact…
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Engineers from KWS worked together with the SensoryEffects corporate project engineer and plant manager…
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KWS engineers and local field representatives worked side by side with CTA Acoustics to develop the ideal…
Read MoreScrew Feeders for Metering Limestone from Weigh Hoppers at Minova in Georgetown, KY
The KWS engineering and sales team provided detailed design drawings and 3D models prior to the order so…
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KWS visited the facility and met with Encore Wire’s Maintenance Manager to determine the source of the…
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KWS provided two heavy-duty screw feeders with hoppers to Nucor Steel. Each screw feeder accurately…
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KWS designed and manufactured a twin-screw feeder with independent drive units. Each of the twin screws…
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Engineers from KWS and TranSystems worked together to design a bi-directional screw feeder to rapidly and…
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KWS designed, manufactured, supplied and commissioned an integrated system which required expertise in…
Read MoreStainless Steel Inclined Screw Feeders for Metering Sugar at PIM Brands in Somerset, NJ
The bulk bag unloading system provided by KWS included an incline screw feeder with hopper and supports.
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The KWS screw feeder was designed to be placed inside of a hopper and meter reclaimed foundry sand to…
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KWS designed the screw feeder on a 45-degree incline to allow for the smallest space to be used.
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KWS Engineers visited the Pineland mill and met with the Georgia Pacific Boiler/Kiln Supervisor to review…
Read MoreScrew Feeder for Metering Crushed Limestone at AEP Coal Fired Power Plant in Hallsville, TX
Engineers from KWS visited the facility and met the AEP SWEPCO maintenance planner to determine the…
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KWS Design Engineers visited the Lufkin facility and met with the Pilgrimﾒs Plant Manager to identify…
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KWS saved GEO thousands of dollars by provided engineering, design and manufacturing of the conveying…
Read MoreSpecial Screw Feeder for Metering Green Malt at BRIESS Malt in Chilton, WI
KWS added a 304 stainless steel diverter or ﾓhogbackﾔ above the screw feeder to reduce the headload…
Read MoreSpecial Screw Feeder for Metering, Mixing and Processing Grains
Large diameter screw feeder is designed to meter, mix and retain a combination of grain products and…
Read MoreStainless Steel Screw Feeder to Meter Biomass to High Temperature Reactor
KWS designed and manufactured the screw feeder to be very reliable and exceed the feed rate requirements…
Read MoreStainless Steel Screw Feeders for Baking Ingredients
Engineers at KWS analyzed the problem of product clogging at the discharge of the screw feeders. By…
Read MoreStorage Hopper with Live Bottom Screw Feeder and Thermal Processors for Sludge Drying System at…
KWS and Komline Sanderson worked closely together to develop an efficient solution for converting…
Read MoreSwiveling Screw Feeder to Meter Fungicide for Crop Sciences Company
KWS engineers designed a special screw feeder for the application. The screw feeder was located on a…
Read MoreTriple Mass-Flow Screw Feeders and Conveyors for Phosphate Ore
KWS designed and manufactured triple mass-flow screw feeders to match the existing hopper at the plant.
Read MoreTwin Mass Flow Screw Feeders and Material Shut-Off Gates
KWS worked directly with engineers at Carbonyx to design mass flow screw feeders specifically for the…
Read MoreScrew Feeders for Metering Glass Cullet
Screw Feeders needed to meter glass cullet from storage silos to the process furnaces.
Read MorePolished Food-Grade Stainless Steel Screw Feeder for Metering Thickening Agent for Specialty…
KWS is the industry leader when providing solutions to difficult applications and excels in manufacturing…
Read MoreShafted Live Bottoms and Transfer Screw Conveyors for Handling Biosolids for the City of San…
KWS used proprietary design calculations and Autodesk 3D Inventor software to design the live bottoms,…
Read MoreShafted Screw Conveyors for Transferring Biosolids for City of Holland, MI
KWS Environmental designed the shafted screw conveyors to be reliable with minimal maintenance downtime…
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KWS worked very closely with both BASF and Control & Metering to supply screw feeders to meet the demands…
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KWS engineers designed and manufactured a "mass-flow" cone screw feeder specifically for their…
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Professional engineers at KWS designed a support structure that provided the needed lateral support for…
Read MoreMetering and Conveying Raw Materials for Making Glass
Engineers from KWS worked closely with GE engineering personnel to understand the application and design…
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KWS also provided all of the structural supports for the conveyor and feeder, inlet and discharge…
Read MorePolished Stainless Steel Mass-Flow Screw Feeders for Cereal Fines
KWS provided internal plugs inside the center pipe of the screw so the product being conveyed could not…
Read MorePolished Stainless Steel Screw Feeders for Metering Snack Products
One of the worldﾒs largest producers of cereals, dairy products, snacks and numerous other food…
Read MorePortable Inclined Tubular Screw Feeder for Carbon and Iron Oxide Powder
KWS created a design with a non-split tubular housing and a screw that fit closely inside the housing to…
Read MorePortable Screw Feeder for Metering Fracking Additive
Working together, KWS and Halliburton developed a lightweight, portable screw feeder to meter chemical…
Read MoreRailcar Unloading System for Sugar
KWS was able to modify some of the existing equipment design specifications to provide a more efficient…
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KWS designed a screw feeder with several pitch changes, a tubular profile, and a precise speed to meter…
Read MoreHeavy-Duty, Large Capacity Hoppers and Mass-Flow Screw Feeders to Meter Gypsum and Bottom Ash
KWS excels at heavy-duty bulk material applications.
Read MoreHoppers with Live Bottom Mass Flow Screw Feeders for Storing and Metering Crystalline Silica…
KWS recommended the mass flow screw design as the most efficient way of discharging the bulk material…
Read MoreHorizontal and Vertical Screw Conveyors for Conveying Ready-Mix Joint Compounds
KWS provided both horizontal screw feeders and vertical screw conveyors to Freeman Products for an…
Read MoreInclined Screw Feeders for Metering Granulated Sugar
Since granulated sugar is a food product, KWS designed and constructed the screw feeders from 304…
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KWS was able to furnish a redesigned screw feeder that was tailored to fit Balchemﾒs precise…
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KWS designed and manufactured an inclined screw feeder with heavy-duty carbon steel construction due to…
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KWS engineers designed a system that could meter and convey the different capacities of raw and finished…
Read MoreLoading Shredded Rubber into Super Sacks
Genan wanted to eliminate the need for a truck ramp so the hopper could be loaded from ground level. KWS…
Read MoreLow Profile Multi-Screw Feeder
KWS designed and manufactured a one of a kind, low profile multi-screw feeder as the perfect solution.
Read MoreFood Grade Reversible Screw Feeder
KWS provided a reversible screw feeder with a central inlet, which proved to be the ideal solution.
Read MoreHeavy-Duty Mass-Flow Twin Screw Feeders and Bucket Elevators for Ground Rubber
KWS designed and manufactured twin mass-flow screw feeders to match hoppers supplied by Hoover Conveyor.
Read MoreHeavy Duty Tri-Braze™ Construction Screw Feeder for Metering Perlite Fines
KWS worked with Nestle Purina and a consulting engineering firm to develop an excellent solution for…
Read MoreCustom-Engineered Bulk Material Handling System for Zein Corn Protein Plant
BRPG contacted KWS after meeting with our local sales representative and requested an engineered solution…
Read MoreCustom Engineered Storage, Metering and Conveying System for Steamed Tobacco Stems
KWS engineers designed a tapered trapezoidal storage bin with two lump-breakers to break up bales and…
Read MoreDesign-Build System for Feeding and Conveying Wood Chips for enviraPAC in Monticello, AR
The KWS inclined screw feeders and conveyors were designed to operate 24 hours per day, 7 days per week…
Read MoreDesign-Build System for Dewatering, Mixing, and Drying Oilfield Drill Cuttings
KWS designed and manufactured every piece of the drill cuttings disposal system.
Read MoreDesign-Build System for Prototype Gasification Process
KWS designed and manufactured every piece of mechanical equipment on the project from the initial feed…
Read MoreDesign-Build System Utilizing Live Bottom Screw Feeders, Vertical Screw Conveyor & Hoppers…
KWS designed a special live bottom hopper with a unique bridge breaker and screw feeder to meter the raw…
Read MoreBiosolids Load-Out Facility for Kitchener, Ontario, Canada
KWS provided fully redundant systems from the centrifuges to the truck loading bays with two distribution…
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