Ontario – Cambridge – Cambridge
Corporation
www.otsg.com
Ontario
Cambridge
Cambridge
Corporation
active
Operating name: Innovative Steam Technologies IST
Innovative Steam Technologies (IST) engineers and manufactures Once-Through heat recovery Steam Generators (OTSGs) / 'boilers' to recover the heat from the gas turbine exhaust stream. IST also designs and manufactures Fired Once Through Steam Generators for Enhanced Oil Recovery applications in partnership with Aecon Industrial.
IST is a wholly owned subsidiary of AECON Holdings Inc. Aecon is Canada's largest publicly traded construction and infrastructure development company. Aecon and its subsidiaries provide services to private and public sector clients throughout Canada and internationally.
IST€™s Combined Cycle/ Cogeneration and Gas Turbine Injection Applications
In general OTSGs can be used by most electricity power plants and steam generating centers, various industrial complexes (semiconductor fabs, pulp - paper mills, textile manufacturers, glass manufacturers, etc.), mining corporations, large centers
requiring stable and flexible electricity (hotels, office buildings, hospitals, universities, sports complexes, factories, etc.), and even organizations that require large amounts of steam such as desalination plants.
IST is the only proven manufacturer of once through heat recovery steam generators (OTSG) in the world. IST has numerous advantages over conventional drum-type heat recovery steam generators including the following: * Simple operation - steam drums and complex control systems are eliminated making the OTSG capable of remote attended or unmanned operation.
* Simple and economical site installation that minimizes site costs and associated project risks.
* Capable of dry operation, therefore a bypass stack is not required and the steam system can operate independent of the gas turbine.
* More efficient due to elimination of a bypass stack and associated leakage as well as blowdown losses.
* Chemical injection to the steam drum is not required, therefore this system is eliminated.
* Due to minimal instrumentation and drainability, a building enclosure is not required in severe climates. This eliminates a costly enclosure from the project.
* Lowest installed and life cycle costs.
Installed - life-cycle benefits of our OTSG boiler make it much more efficient - less expensive than drum-type boilers.
The above characteristics make the OTSG ideal for the following applications: * Heat recovery in combined cycle and cogeneration plants.
* Heat recovery utilizing the waste heat from natural gas pipeline compressor drives.
* Heat recovery for steam injection for gas turbine NOx control, power augmentation and cooling purposes.
* Heat recovery - steam for pulp and paper mills, textile mills, manufacturing complexes, etc.
* Heat recovery for barge and marine based combined cycle plants
IST currently has 150 OTSGs spread across six continents. Our technology has been examined and accepted by many customers including global players such as the following: * GE Power Systems, USA
* NEL Power, UK
* Calpine, USA
* Altek Alarko, Turkey
* TransAlta Utilities, Canada, USA, New Zealand
* GE Nuovo Pignone, Italy
* Westcoast Energy, Canada
* TransCanada PipeLines, Canada
* Solar Turbines, USA, Australia
* Alstom (ABB Power Generation), Puerto Rico
Our size range currently handles gas turbines from 5 to 75 MW, plus LMS100 for combined cycle and cogeneration applications and the entire gas turbine range for steam injection/cooling applications
IST€™s Fired OTSG€™s for Enhanced Oil Recovery Applications
In addition to IST€™s traditional products IST is now designing, manufacturing and installing OTSGs for key oil producing markets such as Alberta, California, Oman, Venezuela and Texas.
We produce different sizes of units with varying levels of thermal capacity.
Country of Ownership: Canada
Year Established: 1970
Exporting: Yes
Quality Certification: ISO 9001
Primary Industry (NAICS): 332410 - Power Boiler and Heat Exchanger Manufacturing
Primary Business Activity: Manufacturer / Processor / Producer
Total Sales ($CDN): $50,000,000 +
Export Sales ($CDN): $50,000,000 +
Number of Employees: 200
Services:
Heating systems - equipment
Products:
Steam generation, power electric equip nes, Boiler, heating, steam, over 325 mbtu/h, Generators, steam, for heating, Heating boilers - steam generating units nes, Waste heat recovery steam generator, Once through steam generators for enhanced oil recovery
Technology:
IST designs and manufactures Once-Through Steam Generators (OTSGs), for the power generation sector and for Enhance Oil Recovery.
Power Generation Sector
The OTSGs are simple, continuous flow boilers that convert feedwater into high purity steam. The OTSGs are best suited technically and economically for combined cycle power
generation, cogeneration and gas turbine power augmentation applications.
The OTSG has many notable features mainly, full dry running capabilities, which eliminates the need for a bypass stack and damper. The OTSG requires significantly fewer parts and the installation is accomplished faster and at a much lower cost than the typical drum-type HRSGs, due to the relatively higher amount of factory assembly and testing that is completed prior to shipment. The system has a once through flow path; therefore no steam drums or blowdown systems are required. The OTSG demonstrates a significant improvement over the natural circulation drum-type units. It offers high availability, proven experience, and cost savings benefits.
Enhanced Oil Recovery
Fired Once Through Steam Generator
- #61607;Generate saturated steam with quality 300 MMBtu/hr
- #61607;Boiler designed to ASME Section I and American Petroleum Institute (API) specifications
- #61607;Piping designed to ASME B31.1
- #61607;Operating pressures up to 2500psi
Radiant Module
- #61607;Cylinder diameter from 30 ft
- #61607;Cylinder length about 3x diameter
- #61607;Single-circuit or multi-circuit design
- #61607;Multi-circuits can be either parallel-pass or circuit-by-sector design
- #61607;Internally insulated with ceramic fibre blanket, modules and refractory. Casing is carbon steel.
Convective Module
- #61607;Consists of a serpentine finned tube module
- #61607;Tubesheets at the ends are carbon steel with refractory installed on the hot side
- #61607;Intermediate tubesheets may be necessary for larger convective sections
- #61607;Single circuit or multi-circuit design
- #61607;Multi-circuits can be either parallel-pass or circuit-by-sector design
Fuel
- #61607;Natural gas, oils, process and bi-product fuels are suitable
Sector:
Plant Information: Total Plant Size (Areas sq ft): Plant size
72,000 square foot manufacturing facility in Cambridge, Ontario
2 - 20' x 20' access doors
1 - 14' x 14' access door
1 - 10' x 10' access door
Rail access at rear of plant
Cranes and Capacities
3 - 10 Ton Cranes
3 - 5 Ton Cranes
2 - 2 Ton Crane
Welding Capabilities
CWB Approved to C.S.A. - W47.1 Div.2
ASME S, U, PP Approved
SMAW
GMAW
GTAW
Automatic TIG Orbital Welding of tubing 0.5"dia to 1.5" OD
Tube Bending
Diameter 0.5" - 1.50"
Multiple axis bends
Current minimum thickness 0.049"
Miscellaneous
NC Plasma with 8 ft x 20 ft downdraft table
Waterjet
10 ft x 12 ft water jet cutting machine provides an efficient, cost effective way of accurately profile cutting Stainless Steel, Aluminum, Brass, Copper, Steel, Glass, Ceramics and Composite materials that are difficult to cut by alternative methods such as laser cutting. Accuracy up to +/- 0.005".
Tubesheet Drilling
Twin spindle machine with automatic tool changer, optimized performance with carbide insert tooling and complete chip recovery.
Tube Finning Capabilities
The finning of the heat transfer tubes is a proprietary process that was developed by IST. This unique method, of brazing fins to the tubes, promotes effective heat transfer and reduces corrosion effects. The current capabilities of our finning process are as follows: Outside Tube Diameter: 0.75" to 1.50"
Tube Thickness: Our current minimum thickness is 0.049 " MW
Finished fin height: 0.250" to 0.500"
Fin pitches: Extensive experience up to 10 fins per inch
Fin type: Solid fin
Ove
Brady Michael
Dautovich Robert
Lawrence Caleb
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