Top Loader incinerator for medical and dry waste

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

 

13

Refractory concrete C 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

 

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