The incineration without grate enables a complete and sterile incineration of critical waste. The rigid construction and the easy operability improve the mobile usage in site camps.
Our Incinerators has an excellent combustion capacity. Our SIBF are stationary plants. Mobile/Transportable (TIU) Incinerator Unit can be put anywhere into operation.
Latest burner and control technology, and of course a full flue gas cleaning is the basis that the plant meets the highest environmental standards.
The furnace consists of a combustion chamber and a post combustion chamber.
The charging is carried out from the front of the main combustion chamber through a feed opening system. The feed is automatically controlled by the furnace control system.
An automated burner serves for the heating of the combustion chamber subject to the calorific value of the charged waste. For heating the unit at start up the burner is in operation. The feed opening is released as soon as the necessary flue gas temperature is reached.
In the post combustion chamber the gas is heated to minimum 850 °C in order to ensure an environment friendly emission standard and in order to fulfill European standards. The normal combustion temperature is 850 °C up to 1200 °C, depending on the process settings.
The incineration process produces a sterile ash quality.
Charging of Hover Bed Systems
Automated feeding and automated slag extraction. The feeding will be done automatically via a dosage bin to the solid waste feeding system, consisting of a conveyor system and a double flap gate system. Incineration without grate: absolutely sterile ashes by a complete burnout in the combustion chamber, the waste is mechanically mixed!
An automatic emergency water injection system of the combustion chamber serves for the cooling of the flue gas in case too much waste or waste with too high calorific values is charged.
ENVIRONMENTAL FRIENDLY AIR COOLING SYSTEM
The hot flue gas is cooled down from a temperature of approx. 1100 °C to 600 °C in a U – shaped pipe cooler system through natural convection and radiation by ductwork. To ensure a good cooling effect, at its downstream installed air cooled heat exchanger will cool the flue gas down to a temperature of between 200 °C up to 250 °C (averagely 230 °C). The cooler system is mounted between the incinerator and the filter plant. The advantage is that this facility do not require water consumption. In contrast to a spray cooling system this facility saves approx. 2400 kg water per hour.
Advantages of an Air Cooling System on a view:
- Low energy consumption,
- no water consumption,
- no steam is emitted to the atmosphere.
FUEL AND WATER TANKS
Diesel oil will be taken as auxiliary fuel.
Therefore fuel tanks and a water tanks can be installed.
The hot flue gas from the combustion plant is cooled down in a boiler casing to about 400 °C. We install the boiler walls within the combustion chamber. Please note that a boiler depends always on the requirements of the customers. Therefore every boiler is tailor made product. It is not a standard part! Upon request, we design a tailor made solution for you! In case of installation of a steam boiler the above mentioned cooling systems are not applicable.
LIQUID WASTE LANCE SPRAY SYSTEM
A lance system is consisting of one or more sprayers in the combustion chamber and a pumping unit for it. It will spray the waste in liquid form into the combustion chamber, but not more than 10% in weight per feeding sequence. Because, liquid spraying into combustion chamber can cause a rapid cooling down of the temperature in the chamber and endanger the incineration process in one hand, the liquid waste needs additional evaporation energy and this reduce the incineration capacity of the unit on the other hand. Burning of high-calorific-value-materials is itself a problem of overheating, not the substance. Therefore, the total amount of waste must be compensated in case of high calorific value.
FLUE GAS CLEANING SYSTEM
Dry flue gas cleaning system according to EC standards.
The flue gas system mainly consists of:
- Dry sorption system
- Fan and stack.
DRY SORPTION SYSTEM
Sodium bicarbonate mixed with activated carbon is a very effective additive for SO2, HCI and HF, heavy metals, dioxins, etc. The quantity of Sodium bicarbonate and activated carbon depends on the unit size and the requirements.
The residuals and fly ash are removed in a fabric filter. The particle removal creates a filter cake, which supports the removal efficiency. Depending on the measured differential pressure across the filter, the parts of the filter elements are cleaned by means of pressurized air impulses.
FAN AND STACK
A fan transports the waste gas to the stack.
CEGM SYSTEM (Continuous Exhaust Gas Monitoring)
Envisaged analyses could be Chlorides (HCl, Cl2), NOx, SO2 as SOx, Carbons as TOC, CO and TSP (total suspended particles) etc.
All units are special designs.
The values given can vary accordingly in the projects.
Technical alterations reserved!
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