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SynGas heat module
The SÜLZLE KOPF SynGas heat module is suitable for combination with a sewage sludge dryer or for feeding energy into a heating network.
In this process, the energy from the sewage sludge is completely converted into heat so that the entire system of sewage sludge drying and utilisation can be thermally self-sufficient.
Advantages of the SynGas heat module:
- Compact system layout
- Optimised for the operation of a sewage sludge dryer
- Complete utilisation of the thermal energy
- Possible feed-in into a heating network
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Sewage sludge with a dry content of 85% – 95%
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Limestone for mixing as the first desulphurisation stage
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Sub-stoichiometric combustion at 870 °C to produce synthesis gas. Destruction of all organic toxins.
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Discharge and cooling of the phosphorus-rich and virtually carbon-free ash granulate
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Coarse dedusting of the synthesis gas in a cyclone separator
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Heat recovery from synthesis gas for supply in the fluidised bed reactor
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Fine dedusting of the synthesis gas
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Combustion of the dedusted and cooled synthesis gas
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Heat extraction from the combustion chamber
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Further cooling of the synthesis gas and separation of dust residues, heavy metals and harmful gases
Process description heat module
Thermal treatment
1) Sewage sludge with a dry content of 85 – 95 %
2) Limestone for mixing as the first desulphurisation stage
3) Sub-stoichiometric incineration at 870 °C to produce synthesis gas. Destruction of all organic toxins.
4) Discharge and cooling of the phosphorus-rich and almost carbon-free ash granulate
Synthesis gas purification and cooling
5) Coarse dedusting of the synthesis gas in a cyclone separator
6) Heat recovery from synthesis gas for supply in the fluidised bed reactor
7) Fine dedusting of the synthesis gas
Combustion of the gas and heat extraction
8) Combustion of the dedusted and cooled synthesis gas
9) Heat extraction from the combustion chamber
Wet flue gas cleaning and cooling
10) Synthesis gas scrubbing: Further cooling of the synthesis gas and separation of dust residues, heavy metals and harmful gases