The incinerators to be supplied shall meet the following specifications

1. ISO certified
2. Model:   250LA ,multiple diesel fuel combustion chambers
3. Performance capacity

• 120Kg/hr GRE 1.25 for HCRW
• 96Kg/hr GRE 1.25 for general waste.
• 40Kg/hr GRE 3.00 for plastic

4. Waste type :   health care risk waste and general waste
5. Chimney stack:

• Chimney : 3.5mm mild steel
• Height from base :11m and if there are buildings within

30m of the incinerator, chimney must extend at least 3m
above the apexes of all the roof of such buildings

• Diameter of chimney at top :430mm
• Weight of stack: ±500 Kg
• Case and stack be painted with 400⁰C heat resistant Black paint

6. Burners:

• 1^st chamber 850⁰C – 900⁰C
• 2^nd chamber 1000⁰C

7. Variable speed combustion air blowers
8. Primary chamber volume ±1.05 cubic metres
9. Mixing chamber volume ±0.30 cubic metres
10. Settling chamber volume ±0.89 cubic metres
11. Weight excluding chimney ±6.400Kg at manufacture
12. .Firing tools supplied :Hoe ,poker and rake
13. Dimensions

• Length                   ±2125mm
• Width                   ±1890mm
• Height                   ±2125mm
• Extra width for burners ± 1000mm

14. Loading door opening 610 *540mm
15. Hearth area ±1.19square metres
16. Description of grate/hearth :A full hearth to be supplied to prevent contaminated
17. Liquids from flowing into ash pit without being incinerated
18. Compliance with South African Atmospheric Pollution Prevention Act No.45 of

1965 or equivalent air pollution standards

19. Documents to be supplied :Operations and maintenance manual and standard

operating procedures (SOPs)

20. Emission controls:

• heated refractory screen
• Low velocity grit settling chamber
• Stainless steel arrester screen

 

21. Refractory material :alumina content> 49% and thickness average 102mm
22. Bake out : to be done over 2-3 days
23. Materials of constructions

• Case :5mm mild steel
• Bracing: heavy angle and channel
• Hearth: 1550 ⁰C
• Ashing door: high grade cast iron
• Loading door 5mm mild steel lined with 1550 ⁰C castable general purpose high strength, high abrasion resistant monolithic refractory concrete.
• Incinerator walls and roof: 1550 ⁰C castable monolithic refractory

 

24. Temperature: ≥ 90 ⁰C
25. Insulation to walls: 1000 ⁰C castable insulation
26. Electricity supply required: 220volt, 15amp single phase
27. Controls:

• Draught control: barometer indicator, door operated draught limiter
• Air supply: built-in forced heated air ducts, primary and secondary (intensifier)
• Electric: control panel includes-circuit breakers, main switch, timer, pilot lights, 2 set point pyrometer and one set point pyrometer

 
 
Summary of Key Expected Activities/Outputs

• Replacement of pipes from the tank to the incinerator
• Covering pipes to protect them bursting in winter
• Replacement of gauge
• Incinerator installation
• Installation report
• End of contract report