Biomass Gasifier – System Design

Gasification Chamber

Gasification Chamber

PPLC Control Panel

PLC Control Panel

Motor Power Distribution Panel

Motor Power Distribution Panel

Fuel Metering System

Fuel Metering System

The Liebert Engineering, Inc. Team was hired by Chiptec Wood Energy Systems to provide Professional Engineering design services for a new 1500 HP wood chip fired boiler system. The steam was to be used for a new power generation facility for Arizona Public Service in Snowflake, AZ.

Design services included:

• Steel Stack Specification
• Detailed Center of Gravity Analysis, Structural loading,  and Equipment Anchoring Design for the Gasifier and   Feed Systems
• Control System Design including:
  - Specification of Control System Components
  - Panel Layouts
  - Detailed Control Wiring and Ladder Logic Diagrams
  - I/O and Instrument Lists
  - Emergency Stop / Safety Interlock Design
• Power Distribution Including VFDs on Most Motors
• P&ID Development Based on ISA Standard Symbology

Design scope encompassed the following subsystems:
       - Woodchip Delivery, Storage, and Handling Systems
       - Air Locks & Gasifier Feed Systems
       - Gasifier Chamber
       - Combustion Air Delivery and Control
       - Automatic Ash Removal
       - Boiler Feedwater Pumps


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