Alternative Fuel Systems Projects

Alternative Fuel Systems Projects

2010 Whole Tire Feed System
Florida Rock, Newberry, FL USA

  • Phase II modified conveyor system and controls to feed to airlock valve of a second kiln.

2010 Whole Tire Feed System
Lafarge Ciment, Medgidia, Romania

  • Phase II added additional airlock valve and weigh-feed into a second kiln from the same loading point.

2009 Whole Tire Feed System
Lafarge Ciment, Medgidia, Romania

  • Whole Tire Fuel Feed System designed to accept tires manually loaded on a conveyor at ground level and automatically feed them to the feed shelves of the kilns using double gate airlock valves.  Components include roller conveyors, hook elevator, belt conveyor and inline transfer device, airlock valve and inline weight scale.

2009 Whole Tire Suspension Burner Test System
CEMEX, Balcones, TX USA

  • Whole Tire Test Burn System which includes a suspension burner system (nozzle, hot gate, airlock chamber, suspension fork with auto-clean, automatic ram).  Controls: PLC with programming.  System provides automatic tire feeding to the calciner from the manually loaded weight scale conveyor, with weigh-based feed rate control.

2009 Whole Tire Feed System
Lafarge Ciment, Hogiz, Romania

  • Automatic tire fuel system with hook elevator and airlock valve.  System designed to automatically feed whole tires to the feed shelf of a through an airlock valve mounted to the back side of the riser duct of the kiln.  Feed rate capacity of 480 tires per hour (8 tires per minute).

2008 Whole Tire Feed System
American Cement, Sumterville, FL USA

  • System designed to feed whole  to , includes custom-designed live bottom hopper, tire separator, separation refinement with inline expansion joint, inspection/rejection, vertical lift conveyor system, refractory lined chute, airlock valve with weight scale conveyor.

2008 Whole Tire Feed System
Florida Rock, Newberry, FL USA

  • TDF system designed to feed to precalciner kiln and includes trailer tipper, live bottom hopper, tire separator, separation refinement, inspection/rejection, modification of existing elevator, freestanding 100’ structural steel tower. Phase II modified conveyor system and controls to feed to airlock valve of a second kiln.

2008 Staging Fork and Cam Actuator
Lehigh Cement (Heidelberg), Evansville Plant, Fleetwood, PA USA

  • Duplicate AFS system comissioned to second kiln.  Includes weight-based feed rate system, tire staging fork with cam, and mid-kiln cadence valve.

2008 CEMEX Test Burn Equipment
Multiple locations including plants in California, Alabama, Florida, Georgia, Kentucky

  • Designed and fabricated equipment for use in a series of test burns.

2007 Whole Tire Feed System for Electric Utiity Boilers
Geneva Energy, Ford Heights, IL USA

  • System designed to feed multiple airlock hoppers and includes manual unloading dock, conveyor system with pop-up belt transfers, tire accumulation system.  Integrated with existing shredded-tire feed system.

2007 Staging Fork and Cam Actuator
Lehigh Cement (Heidelberg), Evansville Plant, Fleetwood, PA USA

  • System includes weight-based feed rate system, tire staging fork, and mid-kiln actuator valve.

2007 Mid Kiln Whole Tire Feeding System Modifications
St. Lawrence Cement (Holcim), Hagerstown, MD USA

  • Modifications include relocation of mid-kiln tower, mid-kiln valve, and mixing air.

2007 Whole Tire Feed System Test Burn
CEMEX, Fairborn, OH USA

  • Initial phase of tire fuel system installation.  Includes airlock valve, refractory lined chute, inclined chain flight conveyor, weight-based feed rate system.  loading platform built to allow direct transfer from trailer to conveyor.

2007 Whole Tire and Chipped Tire Feed System
CEMEX, Ponce, Puerto Rico USA

  • System design and equipment for feeding , which includes two trailer tippers, two-stage live bottom hopper 80' long, sealed live bottom hopper 40' long, tire separator, tire separation refinement, rim detector, inspection/rejection system, screw conveyors, inclined belt conveyors, bridge truss frame, accumulation conveyors, venturi eductors, programming logic, electrical design.

2007 Mid Kiln Whole Tire Feed System
TXI Midlothian, TX USA

  • A complete turnkey whole tire fuel handling system to feed existing long dry kiln. The equipment includes a trailer tipper, live-bottom hopper, tire separator, separation refinement system, tire inspection and rejection, conveying system with accumulation control, mid kiln valve for car and truck size tires, above kiln valve actuator, weight-based feed rate controls, all electrical equipment, all mechanical, electrical and civil installation, PLC programming, control room interface, startup and commissioning.

2007 Whole Tire Suspension Burner
Lafarge, Cemento Melon, La Calera, Chile

2006 Tire Elevator System
Rinker Materials (Cemex), Brooksville, FL USA

  • System included 100’ hook elevator, centering conveyor, discharge conveyor. Engineering for large platform at 100’ elevation and loading dock platform.

2006 Tire Feed Chutes and Cam Actuator
Cadence / Lafarge Seattle, USA

  • Tire feed chute and cam actuator which feeds 4 tire per revolution per minute

2005 Tire Feed Chutes and Cam Actuator
Artisan / Lafarge Ravena, NY, USA

  • Tire feed chute and cam actuator which feeds 8 tires per revolution per minute for Ravena kilns

2005 Mid kiln fuel system engineering and equipment
Akmenes Cementas AB, Lithuania

  • Provided engineering design services to build semi-automatic whole tire feed system to mid kiln valve.
  • Also provided special cam actuator to open and close cadence valve.

2004 - 2005 Whole Tire Feed System for two 4-Stage Preheater kilns
Cemex, Brooksville, FL USA

  • Consulting work. In conjunction with Dover Conveyor, provided system design and equipment for feeding whole tires to two 4-stage preheater kilns, which included trailer tipper, two stage live bottom hopper 80' long, tire separator, tire separation refinement / inspection / rejection system, (2) inclined belt conveyors, bridge truss frame, directional conveyor, accumulation conveyors, double gate airlock valves, programming logic, basics for electrical design.

2004 - 2005 Whole Tire Feed System to one 4-Stage Preheater kilns
Cemex - Demopolis, AL USA

  • Consulting work. In conjunction with Dover Conveyor, provided system design and equipment for feeding whole tires to one 4-stage preheater kiln, which included trailer tipper, two stage live bottom hopper, tire separator, tire separation refinement / inspection / rejection system, inclined belt conveyor, double gate airlock valve, programming logic, basics for electrical design.

Projects designed and managed by company President, John Tiernan, prior to the founding of AFS Technology:

2003-2004 Mid Kiln Feed System – Turnkey
Lafarge - Midwest Joppa Plant, Grand Chain, IL USA

  • A complete turnkey whole tire fuel handling system to feed two existing long dry kilns. The equipment includes a trailer tipper, live-bottom hopper, tire separator, tire accumulator, tire inspection and rejection, conveying system, two hook elevators with gravity feed chutes, mid kiln valves for car and truck size tires, above kiln valve actuators, weight-based feed rate controls, all electrical equipment, all mechanical, electrical and civil installation, PLC programming, control room interface, startup and commissioning.

2003-2004 Live-Bottom Hopper, Tire Separator and Airlock Valve
Holcim (Deutschland) AG, Hannoversche Straße

  • System redesign / upgrade - Provided a live-bottom hopper (21 meters long), tire separator, airlock valve, and engineering to upgrade their existing tire feeding system.

2003 Whole Tire Suspension Burning System
Lafarge, Cemento Melon, La Calera, Chile

  • This was phase two of a three phase project for a whole tire suspension burning system for a precalciner of the plants existing cement kiln. This included a hook elevator, conveying system, and automated ram for the suspension burner. Phase one included a manual suspension burner and weight-based feed rate control system. Phase three of this project will include a trailer tipper, live-bottom hopper, tire separator and conveying system to make the tire feed system completely automated.

2003 Tire Injection Airlock Valves (whole tire):

  • Five double gate airlock valves with maintenance gate and weighing system for Cemex plants in Guadalajara Mexico, Monterrey Mexico, Tamuin Mexico, Yaqui Mexico and Barrientos Mexico.

2002-2003 Mid-Kiln Whole Tire Feeding System
St. Lawrence Cement (Holcim), Hagerstown, MD USA

  • Turnkey fully automated mid-kiln whole tire feeding system for one long dry kiln. This system includes a trailer tipper, live-bottom hopper, tire separator, tire separation refinement system, tire inspection and rejection system, 145’ inclined trussed-framed belt conveyor with nose-over, accumulation conveyors, tire weighing system with feed rate control, mid-kiln equipment support tower, over-the-kiln tire feeding chute, mid-kiln valve, mechanical and electrical installation, along with all PLC programming and system commissioning.

2002-2003 Preheater Kiln (4-Stage), Whole Tire Feed System
CEMEX, Balcones Plant, New Braunfels, TX USA

  • Turnkey fully automated whole tire feeding system for a 4-stage preheater kiln. This system includes a trailer tipper, live-bottom hopper, tire separator, tire separation refinement system, tire inspection and rejection system, 290’ inclined trussed-framed belt conveyor, support steel and platforms in preheater building, accumulation conveyors, tire weighing system with feed rate control, airlock valve, mechanical, electrical, and civil installation, along with all PLC programming and system commissioning.

2001 Mid-Kiln Whole Tire Feeding System
Blue Circle Cement (Lafarge), Tulsa, OK USA

  • Turnkey system project, installed in 2001. Provided all equipment and installation, including - mechanical, electrical, civil, and control room interface aspects. The system was designed to feed whole tires to mid-kiln valves mounted on the plants two long dry kilns. Major equipment includes a rotary disk tire separator with live-bottom hopper, trailer tipper, a belt and roller conveying system, and two hook type elevators.

2000 Preheater Kiln (4-Stage), Whole Tire Feed System
“HISALBA” Hornos Ibericos ALBA (Holcim), S.A. Spain

  • Installed in 1999 and 2000. This system included our first rotary disk whole tire separator. The system also included a live-bottom hopper, separation refinement conveyors, tire inspection system, tire weighing system and a triple gate air-lock valve mounted to the riser duct of the preheater of the kiln.

1998-1999 Mid-kiln Whole Tire Feed System
“HISALBA” Hornos Ibericos ALBA (Holcim), S.A. Spain

  • Installed In 1999. This system was designed to feed whole tires to one long dry kiln with a 2-stage preheater. The system included all mechanical and electrical engineering, all mechanical and electrical equipment (including the control room interface). Installation supervision was provided. This system utilized a new mid-kiln feed method whereas all of the feeding equipment is located under the kiln at pier elevation and the gate is opened by a cam designed for that specific kiln size and speed.

1998 Precalciner Kiln, Whole Tire Feed System with Iron Waste Feed Provisions
Texas Lehigh Cement (Heidelberg), Buda, TX USA

  • Installed in 1998. This was a turnkey system designed to feed whole tires and iron waste products to a precalciner cement kiln. Our project scope included all engineering, all mechanical and electrical equipment, system programming, mechanical and electrical installation, and building structures to enclose the equipment, as well as, storage of tires and iron waste material.

1998 Mid-Kiln Whole Tire Feed System For Two Kilns
Essroc Materials, Inc. (Italcementi), Bessemer, PA USA

  • This is a mid-kiln feed system in which all mechanical and electrical engineering, all mechanical and electrical equipment (less the PLC, MCC, and MMI equipment) were provided. Essroc provided electrical installation. This system feeds two kilns from above the mid-kiln location. This system also incorporates a truck dumper to unload tires from trailers into the walking floor hopper.

1997 Mid-kiln Whole Tire Feed System
Blue Circle Cement (Lafarge), Atlanta Plant, Atlanta, GA USA

  • Provided mid-kiln tire feeding equipment to conduct a test burn on one of the two kilns at the plant. The equipment provided included one under-the-kiln tire staging forks, one under-the-kiln cam actuator for the Cadence mid-kiln gate, and a staging platform.

1996 Precalciner Kiln, Whole Tire Feed System
Hercules Cement, Inc., Stockertown, PA USA

  • Provided a double gate air-lock valve to test the viability of TDF in an existing precalciner kiln.

1996 Mid-Kiln Whole Tire Feed System
Blue Circle Cement, The Shore, Northfleet England

  • Provided design and installation supervision for a tripping frame structure and staging fork platform for one long dry kiln. This equipment was used with a customer supplied Cadence mid-kiln tire valve on 18' dia. kiln.

1996 Mid-Kiln Whole Tire Feed System
Allentown Cement Co., Blandon, PA USA

  • Provided a turnkey automated whole tire feed system for two long dry kilns. The system design also allows for use of other solid waste material in a palletized or boxed form. Provided all of the system equipment, installation, and programming logic. Mid-kiln valves were provided by Cadence.

1996 Mid-Kiln Whole Tire Feed System
Signal Mountain Cement Company, Chattanooga, TN USA

  • Provided a turnkey system to feed two long wet kilns with whole tires. Provided all system equipment, installation, and system programming. The mid-kiln valves were provided by Cadence.

1995 Preheater Kiln Whole Tire Feed System
Illinois Cement Company, La Salle, IL USA

  • Provided a turnkey system designed to automatically feed tires to one preheater kiln. This system included our latest in tire separation equipment, conveying equipment, controls, programming, and double gate tire valve.

1995 Mid-Kiln Whole Tire Feed System
St. Lawrence Cement, Quebec Canada

  • Provided a turnkey system to feed whole tires to 3 long dry kilns. The system included automatic tire separation, inspection, dewatering, trussed framed inclined and horizontal slat conveyors, which span approx. 60 ft. over each kiln, all platforms and structural steel fabrication, tire staging, tire weighing, and a 3,200 sq. ft. building to house the separation equipment.

1994 Precalciner Kiln Whole Tire Feed System
Cementos Apasco, Orizaba, Mexico

  • Designed and fabricated a double gate waste-fuel valve for the precalciner kiln at the plant. This valve was specially designed to handle scrap tires and other waste materials in bundles up to 31" x 50". The bottom-gate of the valve was designed for a maximum operating temperature of 2000 F degrees.

1994 Precalciner Kiln Whole Tire Feed System
Cementos Apasco, Mexico City, Mexico

  • Designed and fabricated a complete tire fuel feed system for one of two precalciner kilns at the plant. This included an automatic bulk tire separator, tire inspection equipment, a 270' long inclined truss framed belt conveyor, weighing system and double-gate tire valve with refractory lined chute. Provided all mechanical and electrical equipment and system installation supervision. Cementos Apasco provided all installation labor.

1994 Precalciner Kiln Whole Tire Feed System
Sunbelt Cement, Inc. (formally a Lafarge plant), New Braunfels, TX USA

  • Designed and fabricated a double-gate tire valve for whole tires with a 48" maximum tire diameter, and a temporary inclined conveyor for test burning. This equipment was installed on the riser duct of the precalciner kiln at the plant.

1993 Mid-Kiln Whole Tire Feed System
Essroc Materials, Inc. (Italcementi), Frederick, MD USA

  • Designed, fabricated, and installed our first dual-kiln feed system. This included a bulk tire separation system with tire inspection, weighing, staging forks for mid-kiln injection to Cadence tire valve, and all conveyors and steel structures.