Home
Aluminium Oil/Petrochemical Power/Incineration Cement/Mineral Glass/Ceramics Ferrous/Non-Ferrous
 


POWER AND INCINERATION INDUSTRY

 

Power

Refractory technology for this industry has changed with the evolution of new demands for power and economic and environmental concerns. A wide variety of materials are available for use in industrial boilers, package boilers, cyclone boilers, waste-to-energy units, CFB''s, ash hoppers and others.

Boiler Refractory Applications

Power Generation

Ash Hopper Refractories

Incineration

Boiler Refractory Application Guide

Furnace Walls Inside Casing & Tangent Wall Outside Casing
Tangent Wall Inside Casing
Opening Patch and Access Doors


Penthouse Floor


Ash Hopper Lining


Ducts Inside Linings


Burners Tangential and Front Fired


Special Applications Slagging Bottom Boiler

Cyclone Boiler Studded Tubes

Baffles and Boiler Seals
Floors (Industrial Boilers)
Stoker Pier (Industrial Boilers)
Hearth (Recovery Boilers)

 

BACK TO TOP


Power Generation

The correct selection of refractory for CFB''s can prolong service life and improve overall operational efficiency.  ANH has been a preferred refractory supplier to the Power Industry for over 50 years.

H-W product families offer a complete package of solutions for all service conditions
:

  • EXCELERATE: abrasion resistant ramming / gunning material
  • GREENGUN: gunable plastic
  • KAST-O-LITE: insulating castables
  • NARCOGUN: silicon carbide gun mix
  • PLASTECH: abrasion resistant phos bonded
  • THERMAX: Thermal shock resistant vitreous silica castable
  • VERSAGUN: low cement gunmixes
  • VERSAFLOW: low cement castables

 

Fuel Feed Systems Service Conditions:
  • Abrasion
Lining Solution:


Combustor

Service Conditions:

  • Abrasion
  • Thermal Cycling

Lining Solution:


Crossover duct

Service Conditions:

  • Abrasion
  • Ash Penetration
  • Thermal Cycling

Lining Solution:


Cyclones

Service Conditions:

  • Abrasion
  • Fuel Reactions
  • High Temperature

Lining Solution:


Ash Return Systems

Service Conditions:

  • Abrasion
  • Thermal Cycling
  • Ash Penetration
  • Expansion Cracks (Volume Stability)

Lining Soulution:


Outlet Ducts / External Heat Exchangers Ash Coolers

Service conditions:

  • Abrasion
  • Thermal Shock

Lining Solution:



BACK TO TOP


Ash Hopper Refractories

Ash-Hopper Service

Ash hopper service includes a number of conditions, which can be detrimental to a refractory lining. Refractories used in this service must show good resistance to a variety of destructive conditions.

  • Airborne particulate generated during combustion can cause severely abrasive conditions.
  • Slag can fall into the hopper in large chunks called "clinker". The impact of this clinker upon the refractory can be quite severe.
  • In the case of wet-bottom ash hoppers, the splash generated by falling clinker can introduce severe thermal shock.
  • Products installed in ash hoppers can be cast, gunned or sprayed.

 

Tufshot LI Service Classification - Less Severe
Installation Method - Gun
Impact Resistance - Good
Thermal Shock Resistance - Fair
Abrasion Resistance - Fair

 

Tufcast LI Service Classification - Less severe
Installation Method - Cast
Impact Resistance - Good

Thermal Shock Resistance -
Fair
Abrasion Resistance - Fair


Lo-Abrade G Service Classification - Severe
Installation Method - Gun
Impact Resistance -
Excellent
Thermal Shock Resistance - Good

Abrasion Resistance -
Good


Versaflow 45 Plus Service Classification - Severe
Installation Method - Cast
Impact Resistance - Excellent
Thermal Shock Resistance - Fair

Abrasion Resistance -
Good


Versaflow Thermax Plus Service Classification - Most Severe
Installation Method - Cast
Impact Resistance -
Excellent
Thermal Shock Resistance -
Excellent
Abrasion Resistance - Excellent


Versagun Thermax Adtech Service Classification - Most Severe
Installation Method - Gun
Impact Resistance - Excellent

Thermal Shock Resistance -
Excellent
Abrasion Resistance - Good


Greentec 170 LG Service Classification - Most Severe
Installation Method - L.C Gun
Impact Resistance - Excellent

Thermal Shock Resistance -
Good
Abrasion Resistance - Excellent

BACK TO TOP

Incineration

Incineration of corrosive waste has become an increasingly acceptable method of disposal for these materials. Commercially and privately operated incinerators will be a part of the foreseeable future. Conditions relative to refractory longevity vary throughout these units. Careful selection of refractory materials is required to achieve long running campaigns and maximise cost effectivness. Thermal profiles, waste streams, generated slag and operating practices are individual for each incinerator in operation. Therefore refractory practice is an individual matter.

Incinerators are used to destroy -

  • Liquids / Sludge / Solids / Gases

Incinerator Conditions -

  • Temperature - 900 to 1450°C
  • Abrasion - solids, metals, gas streams
  • Chemical - sulphur, chlorine, organics
  • Slags - ashes, metals, phosphates, chemical
  • Gases - organics, chemicals
  • Mechanical - metal drums, slags

Areas of Incineration / Types of waste -

  • Medical - hospitals, pharmaceuticals
  • Industrial - tyres, inks, packaging
  • Cremation - local authorities, veterinary
  • Sewerage - water companies
  • Municipal - town refuse
  • Agriculture - animals, soils
  • Government - money, military, drugs, documents
  • Chemical - dangerous toxic wastes, petrochemicals
  • Power Gen - heat recovery systems
  • Marine - shipboard wastes

Types of Incinerators -

  • Municipal - moving/rotary grate, CHP
  • Fluid bed - circulating, bubbling
  • Rotary - chemicals, solids, liquids
  • Multi Hearth - sewerage
  • Modular - medical, solids
  • Cremators
  • Waste Boiler - paper, oils, sugar cane
  • Waste Gas - flare stacks
  • Thermal Oxidisers
  • Coal/Oil Gasifiers
  • Spent Caustic Incinerators

BACK TO TOP





Home   Aluminium   Oil/Petrochemical   Power/Incineration   Cement/Mineral   Glass/Ceramics   Ferrous/Non-Ferrous   New Products   Engineered Products   Our Products         Contact Information   User Registration