Description
SPECIFICATIONS: Incinerator
Purpose: Top Loader incinerator of general, medical and dry waste to comply with the requirements of the Air Quality Act, 2004 (Act No 39 of 2004)
| 1 | Design standard | Retort type, multiple |
| 2 | Description of chimney | Top mounted, self supporting, unlined |
| 3 | Stack height from base | At least 11 meter (depends on height above sea level) |
| 4 | Incineration performance Capacity | 750 kg/hour |
| 5 | Temperature Primary | Minimum 850 degree Celsius |
| 6 | Temperature Secondary | Minimum 1000 degree Celsius |
| 7 | Dimensions (minimum)(cm)
Length Width Height |
210 180 210 |
| 8 | Loading door opening (m) | 200 |
| 9 | Description of grate/hearth | Full |
| 10 | Primary chamber volume (minimum) | 1.05 cubic meters |
| 11 | Tools included | Poker, hoe, rake |
| 12 | Materials of construction (minimum)
Case Bracing Hearth
Ashing door Loading door
Refractory walls and roof |
5 mm mild steel Heavy angle and channel 1550 degree Celsius castable general purpose high strength, high abrasion resistant monolithic refract concrete High grade cast iron 5 mm mild steel lined with 1550 degree Celsius castable general prupose high strength, high abrasion resistant monolithic refractory concrete 1550 degree Celsius castable general prupose high strength, high abrasion resistant monolithic refractory concrete
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| 13 | Refractory concrete – alumina content | At least 48% |
| 14 | Refractory thickness | Not thinner than 102 mm but in primary chamber minimum 152 mm and 125 mm thick |
| 15 | Insulation to walls | 1000 degree castable insulation |
| 16 | Chimney stack
Chimney Diameter of chimney at top Weight of stack |
5 mm mild steel Minimum 430 mm Approx 500 kg |
| 17 | Controls
Barometer damper Door operated draught limiter Air supply: built in forced draught heated air primary and secondary (intensifier) Control panel includes circuit breakers, main switch, timer, 2 set point pyrometer and one set point pyrometer, thermometer |
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| 18 | Electrical supply required | 3-phase |
| 19 | Auxiliary fuel | Diesel or paraffin |
| 20 | Primary burner | |
| 21 | Secondary (after) burner | |
| 22 | Type of burners | Automatic pressure jet |
| 23 | Output Primary | Approx 600 000 kJ/hour |
| 24 | Output Secondary | Approx 750 000kJ/hour |
| 25 | Emission control
Heated refractory screen Low velocity grit arrester screen |
Built in |
| 26 | Paint case | 400 degree Celsius resisting black |
| 27 | Paint stack | 400 degree Celsius resisting aluminium |
| 28 | Temperature of case | Not exceeding 90 degree Celsius |
| 29 | Intensifier | |
| 30 | Automatic fan control | |
| 31 | GRE factor | 1.5 |
| 32 | Noise (primary)
Noise (secondary) |
72 dBA |
| 33 | Transport and rigging of plant including crane hire | 76 dBA |
| 34 | Certificate of analysis as per Annexure 1 | |
| 35 | Commissioning of incinerator | |
| 36 | Guarantee | 3 years |
| 37 | Training of operators | |
| 38 | Availability of local distributor for spare sparts |
ANNEXURE 1
| Common Name | Chemical symbol | Compliance: mg/Nm3 under normal conditions of 10% O2, 273 Kelvin and 101.3 kPa |
| Particulate matter | 10 | |
| Carbon monoxide | CO | 50 |
| Sulphur dioxide | SO2 | 50 |
| Oxides of nitrogen | NOx expressed as NO2 | 200 |
| Hydrogen chloride | HCl | 10 |
| Hydrogen fluoride | HF | 1 |
| Sum of Lead, arsenic, antimony, chromium, cobalt, copper, manganese, nickel, vanadium | Pb+, As+, Sb+, Cr+, Co+, Cu+, Mn+, Ni+, V | 0.5 |
| Mercury | Hg | 0.05 |
| Cadmium Thallium | Cd+Ti | 0.05 |
| Total organic compounds | TOC | 10 |
| Ammonia | NH3 | 10 |
| Compliance: ng I TEQ/Nm3 under normal conditions of 10% O2, 273 Kelvin and 101.3 kPa | ||
| Dioxins and furans | PCDD/PCDF | 0.1 |