Primary and secondary burners: Separate electrically spark-ignited primary burners and secondary burners with automatic control shall be used to achieve the specified temperature requirements in the primary and secondary chambers. The flames  of the primary and secondary burners shall not impinge on the incinerator walls or floor.
The primary combustion chamber must:

1.    Be accepted as the primary combustion zone.
2.    Be equipped with a burner/s burning gas/fuel or low sulphur liquid fuels.
Other combustion methods will be judged on merits.

3.    Ensure primary air supply is controlled efficiently

Ensure minimum exit temperature is not less than 850oC

Air supply: Air supply in the primary and secondary chamber should be regulated between 30%-80% and 170%- 120% of stoichiometric amount respectively. Suitable flow measurement devices shall be provided on the primary and secondary air ducting. The combustion air shall be supplied through a separate forced draft fan after accounting for the air supplied through burners.The secondary combustion chamber must:

1.    Be accepted as secondary combustion zone.
2.    Be fitted with secondary burner/s burning gas or low sulphur liquid fuel or any suitable fuel.

3.    Ensure secondary air supply is controlled efficiently.

4.    Ensure flame contact with all gases is achieved.

5.    Ensure residence time is not less than two (2) seconds.
6.    Ensure the gas temperature as measured against the inside wall in the secondary chamber & not in the flame zone, is not less than 1100oC.

7.    Ensure the oxygen content of the emitted gases is not less than 11%.
Ensure both primary and the combustion temperatures are maintained until all waste has been completely combusted

lnsulation: lnsulation to be used for masonry, reinforced concrete, or non-combustible material shall prevent damage to the foundation from excessive heat and shall be of a thickness to limit the outer casing to a maximum temperature of 66°C in an ambient temperature of 21°C when the incinerator is operating at full capacity.

Refractory: Refractory shall be #super duty# and heat-resistant to a minimum of 1100°C in the primary chamber and 1250°C in the secondary chamber. Refractory shall also be abrasion resistant in the prlmary chamber, constructed of plastic or castable type refractory, designed to prevent bulging and destruction due to heat stress, capable of supporting more than twice the hourly burning rate and preventing leakage of fluids, and with a minimum thickness of 11O mm for walls and hearths

Primary combustion
Diesel/LPG/LNG burning primary combustion chamber/primary combustion zone
Secondary combustion
Residence time in the secondary chamber not less than 2 seconds
Both primary and the secondary temperatures maintained until all the waste has been completely combusted
Chimney
Chimney with a minimum height of 4 meters above ground level
Minimum exit velocity of the emissions not less than 10 metres/second
Temperature Warnings
Audible and/or visible alarm to warn the operator when the secondary temperature drops to below the required temperature
General
Control box that can be detached and mounted on separate stand at least 1.5 meters from incinerator at approximately 1.6 meter

heightItem 1
Incinerator model A

Burn Rate 65kg/h minimum

Weight (kg), please indicate:

Secondary Chamber

Gas Retention Time – 2 Seconds

Fuel – Diesel/LPG/LNG, please indicate

Power Supply for Control Box – 220V-240V 50Hz single phase

Minimum operating temperature 850 °C, please indicate

One year Spare Parts Package for complete maintainability

10m Hose Pipe, indicate length

I000 Litre Fuel Tank + Pipe System, indicate volume

Additional chimney extension, indicate height

Warranty, indicate no of years

Item 2
Incinerator model B

Burn Rate 150kg/h minimum

Weight (kg), please indicate:

Secondary Chamber

Gas Retention Time – 2 Seconds

Diesel/LPG/LNG, please indicate

Power Supply for Control Box- 220V-240V 50Hz single phase
Minimum operating temperature 920 °C, please indicate
One year Spare Parts Package for complete maintainability
10m Hose Pipe, indicate length
I000 Litre Fuel Tank + Pipe System, indicate volume
Additional chimney extension, indicate height
Warranty, indicate no of years

Item 3
Incinerator model C
Burn Rate 250kg/h minimum

Weight (kg) please indicate:
Secondary Chamber
Gas Retention Time 2 Seconds
Fuel Diesel/LPG/LNG, please indicate
Power Supply for Control Box 220V-240V 50Hz single phase
Minimum operating temperature 920 °C, please indicate
One year Spare Parts Package for complete maintainability
10m Hose Pipe, indicate length
I000 Litre Fuel Tank + Pipe System, indicate volume
Additional chimney extension, indicate height
Warranty, indicate no of years

High Temperature Waste Incinerator

Capacity at least (4000) kg/day ((Day=16 Working Hours))

Capacity at least (4000) kg/day ((Day=24 Working Hours))

With the following features:

*Automatic feeder as original part of the unit.

*Automatic ash / leftovers removal as original part of the unit.

*Water Injection System to control the temperature>

*Flue gas filtration system complying with EU.

*Continuous emission monitoring and recording system.

*It should include installation, testing, and staff training.

*6 nos. of heavy duty loading containers.

Item 4
HTW Incinerator model D
Burn Rate – 150kg/hour minimum
Weight (kg), please indicate:
Secondary Chamber
Gas Retention Time 2 Seconds
Fuel Diesel/LPG/LNG, please indicate
Power Supply for Control Box 220V-240V, single phase 50-60Hz
Minimum operating temperature 1200°C, please indicate

One year Spare Parts Package for complete maintainability

10m Hose Pipe, indicate length
1000 Litre Fuel Tank + Pipe System, indicate volume
Additional chimney extension, indicate height
Mobile Incinerator

Item 5
Mobile Incinerator model E

Burn Rate 50kg/h minimum

Weight (kg), please indicate:

Secondary Chamber

Gas Retention Time – 2 Seconds

Fuel – Diesel/LPG/LNG, please indicate

Power Supply for Control Box – 220V-240V 50Hz single phase

Minimum operating temperature 850 °C, please indicate

One year Spare Parts Package for complete maintainability
Mobile Incinerator

Item 6
Mobile Incinerator model F

Burn Rate 100kg/h minimum

Weight (kg), please indicate:

Secondary Chamber

Gas Retention Time – 2 Seconds

Fuel – Diesel/LPG/LNG, please indicate

Power Supply for Control Box – 220V-240V 50Hz single phase

Minimum operating temperature 850 °C, please indicate

One year Spare Parts Package for complete maintainability

10m Hose Pipe, indicate length

1000 Litre Fuel Tank + Pipe System, indicate volume

Additional chimney extension, indicate height

Warranty, indicate no of years
High Temperature Waste Mobile Incinerator
Item 7
HTW Mobile Incinerator model G
Burn Rate 100kg/h minimum
Weight (kg), please indicate:
Secondary Chamber
Gas Retention Time – 2 Seconds
Fuel – Diesel/LPG/LNG, please indicate

Power Supply for Control Box – 220V-240V 50Hz single phase

Minimum operating temperature 1200 °C, please indicate
Primary combustion
Diesel/LPG/LNG burning primary combustion chamber/primary combustion zone
Secondary combustion
Residence time in the secondary chamber not less than 2 seconds
Both primary and the secondary temperatures maintained until all the waste has been completely combusted
Chimney
Chimney with a minimum height of 4 meters above ground level
Minimum exit velocity of the emissions not less than 10 metres/second
Temperature Warnings
Audible and/or visible alarm to warn the operator when the secondary temperature drops to below the required temperature
General
Control box that can be detached and mounted on separate stand at least 1.5 meters from incinerator at approximately 1.6 meter

height
Warranty, indicate no of years

DESCRIPTION OF WORKS

 

The services and equipment described in this specification comprises the supply, delivery, installation, testing and commissioning of an incinerator and the associated accessories including oil installation at the Hospital.

 

The tenderer is to ensure that the equipment they proposes to supply is from a reputable manufacturer with full spare back-up and can be serviced and maintained by locally available personnel and is not of such a nature as will require overseas expertise to attend to its maintenance and servicing.

 

The tenderer shall include for all items not called for in this specification but which are necessary for the completion, safety and satisfactory functioning of the works. The installation and components are to comply with all the requirements of the local authority’s bye-laws, regulations of water and fire brigade authorities and the latest Kenya Bureau of Standards, British standard specifications and codes of practice or equivalent approved international standards and National Environment Management Authority (NEMA) Regulations.

 

The tenderer shall be deemed to have visited the site to ascertain the site conditions.

 

1.0.3. SCOPE OF WORKS

 

The works comprise the supply delivery, installation, testing and commissioning of 1No. Incinerator, complete with associated accessories including flue and oil installation. The oil installation shall comprise bulk oil storage tank, daily oil tank, transfer hand fuel pump and the associated pipework. The burning capacity of the incinerator shall be 75kg of hospital waste per hour as NU-WAY LTD models or equal and approved.

 

The incinerator will have a primary and a secondary combustion chamber, temperature indicators, burners operation and safety controls and a suitable flue (chimney).

 

1.0.4   COMMENCEMENT OF WORK

 

The tenderer in submitting his tender shall be deemed to have included for commencing any necessary work and other expenses which may be incurred by the tenderer including travelling to site. No claims will be allowed for the traveling or other expenses which may be incurred by the tenderer.

 

 

 

 

E-1

 

1.0.5     CLIMATIC CONDITIONS

 

The following climatic conditions apply to the site of the contract works and plant, equipment, apparatus and installation shall be suitable for these conditions.

 

 

CLIMATIC CONDITIONS	nairobi
Maximum Design Temperature   Minimum Temperature   Relative Humidity   Altitude   Longitude   Latitude	27.7˚C   10.8˚C   41 – 59.7%   1624M ASL   36˚ 55’E   01˚ 19’S

 

 

Heavy rains fall during certain periods of the year and the tenderer shall be deemed to have taken into account of this fact both in his prices and planning of the execution of the works.

 

1.1.0   THE EQUIPMENT AND PLANT

 

1.1.1      Incinerator

The incinerator shall have chimney, castable high quality refractory lining and incinerator shell, perforated blind for the primary and secondary combustion chambers and air circulation system.

 

The incinerator shall also have the following:-

• Ash door
• Primary and secondary burners and fans
• Temperature indicator devices
• Electrical wiring from the local isolator
• FD fan
• Air receiver
• Air ductwork complete with air dampers
• Pressure and temperature gauges
• Fully wired control panel

 

The bulk oil storage tank shall have a capacity of 10,200 litres and be placed at 0.5m above ground on a firm concrete cradle, complete with the following:-

• Drain pipe
• Vent pipe
• Oil level indicator
• Access ladder to the top of the tank
• Coating of the tank with at least 2No. coats of bituminous paint
• Manhole cover complete with a gasket
• Dip stick
• Any other necessary accessory.

 

E-2

 

The daily oil tank of capacity 1,800 litres and size 1220x1220x1220mm pressed steel tank high shall be placed 2.5 metres high above finished floor level on a steel stand, firmly secured on the ground and the steel members to be bolted. The daily oil tank shall have an oil level indicator, access manhole, washout, overflow, inlet and outlets connections and gate valves.

 

The interconnecting pipe of 50mm diameter between the two tanks shall be class ‘C’ black mild steel pipe, complete with a 50mm diameter strainer. The burner fuel supply pipe from the daily tank shall be a 25mm diameter class ‘C’ black mild steel.

 

The following shall also be supplied

• 25mm diameter fire valve
• 25mm diameter high capacity strainer
• heating tap along the burner supply pipe, 25mm diameter

 

The burner supply pipe shall have 25mm thick fibre glass insulation and finished with gauge 20SWG galvanised steel sheet.

 

The tenderer shall provide all the necessary controls for proper safety and satisfactory working of the installation.

 

1.1.1   BURNER

 

The burner shall be suitable for 35 sec redwood No. 1 scale fuel oil. It shall be robust in construction and be manufactured in cast iron or other suitable materials complete with mounting plates. It must be easily mountable and demountable for ease of cleaning and maintenance. The burner shall have an adequate supply of oil which will readily ignite and burn in a safe manner. Adequate provision shall be provided to prevent any solid matter in the oil, or any matter that may separate out from the oil from damaging any components or chocking of any orifices or valves. The free filtering area should be sufficient to ensure that the filter does not need dismantling for cleaning more often than once a year. The burner shall have flame supervision by photo-electric cell with synchronous sequence controller for automatic start up, running and shut-down of the burner.

 

The burner shall have all the necessary controls e.g.Solenoid valves, ignition controls, photo electric cell fuel safety controls, low pressure fuel supply cut-off etc.

 

The burner shall conform to BS 799: part 3 and 6 1981 or any other relevant British standard.The burner shall be as NU-WAY models or equal and approved.

 

1.1.2   CONTROLS

 

The incinerator shall operate in an automatic manner with all the necessary controls. These controls are to include safety elements such as flame failure unit, pilot lamps, fuses, starters, overload contactors, ON and OFF switches for burners and fans, combustion chamber temperature indicators for primary and secondary chambers etc.

 

1. i) Electric ignition switch ‘ON’ before the oil is supplied
2. ii) Delayed return to re-start position to allow purging

iii)     Re-start after temporary electric supply failure

1. iv) Positive safety lock-out in case of flame failure from whatever cause.
2. v) Red signal light on control panel to indicate safety lock out
3. vi) Photo electric protective cell as flame failure device.

 

The controls shall be mounted on suitable control panel to be installed in a position easy to read and control from the charging door side of the incinerator.

 

The control panel shall be fabricated from anodized, 16SWG, mild steel sheet.

 

 

E-3

1.1.3   FLUE (CHIMNEY)

 

A flue chimney, 15,000mm long and 560mm diameter shall be constructed from steel sheet, complete with lagging, damper and rain water protection cone. The chimney shall be lined with castable grade diatomaceous concrete mixed with high alumina cement in accordance with BS 4076: 1989.

 

The damper will control the closing of the door to not less than 85%. The stack is to allow fresh air at the stock’s base so that the flue gases are discharged at not move then 400⁰ C and that the discharge conforms to the British Clean Air Act, the National Environment Management Agency (NEMA) Act or other relevant acts. .

 

1.1.4   POWER SUPPLY

 

The sub-contractor shall supply equipment which are suitable for running on a 415V, 3 phase, 50HZ or 240V, single phase, 50HZ electric power supply.

 

1.1.5   OIL STORAGE AND SUPPLY

 

The system shall consist of a bulk oil storage tank, daily tank, transfer hand fuel pump and associated pipe work. Oil from the bulk storage tank will be delivered to a high level daily tank situated in the incinerator room by use of a transfer hand pump and automatic electric pump.

 

1.1.6   SPARES AND MANUALS

 

The tenderer is to submit with his tender a list of recommended initial stock of spares together with their prices. A part from the burner spares mentioned here below, the spares prices are not to be included in the main summary of prices schedule but is to be separate and are meant to be ordered later if and when it becomes necessary and convenient to the client. The burner spares whose prices are to be included in the main summary of prices schedule (BQ) are:-

 

1. i) Set of safety controls
2. ii) Solenoid valve

iii)   1No. Oil ignition system

1. iv) Photo-electric cells

 

Two sets of operating and maintenance manuals (both for the incinerator and burners) must also be supplied. This include two sets of control schematic diagrams for all the controls and wiring.

Burning Capacity: 125 kg minimum/time (3-6times/day), double chamber, double combustion system
Imputing door Mouth Width (mm): 760*760 (approx.)
Chimney External Diameter (mm): 300 ± 10
Combustion Improver Device: 0.11kw, Fuel consumption: 7kg/ hour (max)
Re-Burning Device: Oil consumption: 5kg/h, 0.37kw, Oil consumption: 10-20kg/h
Voltage: 380v/220v AC, Warranty: 1 Year, 50 Hz

Per your advertisement for 300 kg.hr. Model – We need to know the price via return.

How many Kg. of Fuel would be required for running this Model 10 hrs. everyday.

We have our own Freight Forwarding Agent.

We had a Contract for Garbage Management before their Civil War for 120 Tons/Day for one Municipality in North Africa
Medical Waste Incinerator

Dual Chamber (Primary & Secondary) with insulation slabs (fully insulated internal refractory lining) along with

controlled air blower for each chamber

Insulation / Refractory Thickness: ≥ 100mm

Chamber plate thickness: ≥ 6mm

Fuel Type: Natural gas based on burning fuel in combustion chambers

Waste Capacity: ≈ 150 Kg/Day

Incineration capacity: ≈ 25 Kg/Day (Separate waste charging and waste removal doors)

Burners: At least with (02) burners of automated start and stop functions

Combustion efficiency: > 97%

Temperature: programmable temperature with temp monitoring system

Residence time: 2 second in secondary chamber

Heating value: 4000 Kcal

Temperature Range: ≈ min 800ºC to max 1200ºC

Electrical supply: 220V with single phase

Chimney Plate Thickness: ≥ 5mm

Water scrubber: Scrubbing using reagent like lime & should made of SS 10 gauge of non-corrosion properties and painted

exteriorly by equipment grade heat resistive enamel

Chimney Height: between 15-25 feet

Stack:
Type:  Wire Supported
MOC:  Mild Steel of ISstd
Height :3 Meters or more
• PROCESS AT LEAST 1 METRIC TON OF WASTE PER DAY
• OPERABLE BY 1 PERSON, WITH NO TRAINING REQUIRED
• REGULAR MAINTENANCE CAN BE COMPLETED BY 1 PERSON WITH LIMITED TRAINING
• REGULAR MAINTENANCE SHOULD NOT EXCEED 1-HOUR PER DAY
• COMPLIES WITH EURO / OR US-EPA EMISSION STANDARDS
• ABILITY TO INCINERATE WASTE PETROLEUM, OILS, AND LUBRICANTS
• TEMPRATURES DURING THE COMBUTION PROCESS MUST EXCEED 1,500 °F FOR AT LEAST 1-HOUR
• CAN BE TRANSPORTED TO AND FROM DEPLOYMENT LOCATION IN A 20-FOOT OR SMALLER SHIPPING ISO CONTAINER
• CAPABLE OF 24 HOURS OF CONTINUOUS USE
• AUTOMATIC LOADING SYSTEM
• AUTOMATED ASH REMOVAL SYSTEM
• GAS SCRUBBING SYSTEM
• 95% REDUCTION OF SOLID WASTE
• OPERABLE WITH DIESEL, JP8, OR FUEL OIL
• CAPABLE OF BURNING 4 UNITS OF WASTE PER UNIT OF FUEL
• ABLE TO INCINERATE COMBUSTIBLE WASTE TO INCLUDE: PAPER, PLASTIC, CARDBOARD, FOOD, USED OILS, SLUDGE, OILY RAGS, AND

WOOD PALLETS.
• NO PRE-TREATMENT OF WASTE REQUIRED
• VENDOR REPAIR OFFERED AT POINT OF SHIPMENT
• FIVE (5) YEAR COMPONENT WARRANTY FROM DATE OF ACCEPTANCE
We are an aerosol manufacturing company.. Our products includes Deodorants, Anti perspirant deodorants ,air freshners,

Insect killers etc..