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Gas Reducing Device
✔ “Emergency Diesel Generator” Blind spot of for managing large quantity of fine dust sources
- Even though large quantity of exhaust gas and air pollution sources are discharged during generator operation,
it is free of air pollution regulation
✔ Not only is it becoming the cause of environment pollution by discharging air pollution sources, it is the subject of misled reportof fire and various civil complaints
| Classification | Natural Regenerative Method | Compulsory Regenerative Method |
Complex Method | Note | |||
|---|---|---|---|---|---|---|---|
| DOC | DPF | DOC+DPF | Filter Replacement Type | Electric Heater+DPF | Electric Heater+DOC+DPF | ||
| Structure | Catalyst | Filter | Catalyst+Filter | Catalyst+Filter | Electric Heater+Filter | Electric Heater+Catalyst+Filter | |
| CO | Over 90% | Less than 5% | Over 90% | Over 90% | Less than 5% | Over 90% | |
| HC | Over 85% | Less than 5% | Over 85% | Over 85% | Less than 5% | Over 85% | |
| Nox | Less than 5% | Less than 5% | Less than 5% | Less than 5% | Less than 5% | Less than 5% | |
| Exhaust Gas(PM) | Less than 5% | Over 90% | Over 90% | Over 90% | Over 90% | Over 90% | |
| Noise Reduction | 5dB | 10-20dB | 10-20dB | 10-20dB | 10-20dB | 10-20dB | |
| Environment Protection Law | Not Satisfied | Satisfied | Satisfied | Satisfied | Satisfied | Satisfied | |
| Ringelmenn Smoke Chart | 7~8 | Below 1 Degree | Below 1 Degree | Below 1 Degree | Below 1 Degree | Below 1 Degree | |
| Regenerative Method | None | Cleaning | Natural Regenerative Method (Generator Load Operation) |
Compulsory Regenerative Method | Natural and Compulsory Complex Method | ||
| Material | Ceramic/Metal | Ceramic / Meta l/ SIC | |||||
| Usage | For Emergency Generator | ||||||
DPF TYPE ▸ DPF(Diesel Particulate Filter) Particulate substances (exhaust gas), which are toxic substances discharged from the engine, are reduced while passing through the filter ▸ Performance Reduction function over 90% of exhaust gas(PM) ▸ Applied Subject Engine Output 90KW ~ 3,000KW ▸ Matters to Attend to If it becomes 80% of the allowed engine back pressure, regeneration and cleaning are necessary
DOC+DPF Type ▸ DOC(Diesel Oxidation Catalyst) It reduces CO, HC which are toxic substances dhscharged from the engine ▸ DPF(Diesel Particulate Filter) Particulate substances (exhaust gas), which are toxic substances discharged from the engine, are reduced while passing through the filter ▸ Performance HC over 80%, CO over 90%, and exhaust gas (PM) over 90% are reduced ▸ Matters to Attend to If it becomes 80% of the allowed engine back pressure, regeneration and cleaning are necessary
Heater+DPF Type ▸ Electric Heater System Heat is delivered to DPF using the air coming out from the blower by raising the temperature above 550℃ ▸ DPF(Diesel Particulate Filter) Particulate substances (exhaust gas), which are toxic substances discharged from the engine, are reduced while passing through the filter ▸ Performance Reduction function over 90% of exhaust gas(PM) ▸ Matters to Attend to If it is over 40mbar during non-load operation and over 60mbar during load operation, it must be regenerated for 4 hours under 500℃ using an electric heater when the generator is in stopped state
Heater+DOC+DPF Type ▸ Electric Heater System Heat is delivered to DPF using the air coming out from the blower by raising the temperature above 550℃ ▸ DOC(Diesel Oxidation Catalyst) It reduces CO, HC which are toxic substances dhscharged from the engine ▸ DPF(Diesel Particulate Filter) Particulate substances (exhaust gas), which are toxic substances discharged from the engine, are reduced while passing through the filter ▸ feature Natural regeneration is possible from DOC during commercialization or peak control and it is semi-permanent with the complex regeneration method possible of compulsory regeneration using an electric heater at the time of emergency use, and it has good efficiency and it is safe
| Classification | Test Results(%) | Standards | Judgment | Note | ||
|---|---|---|---|---|---|---|
| Before Installation | After Installation | Reduction Rate | ||||
| Exhaust Gas | 87.8 | 2.2 | 97.4 | Over 90% | OK | |
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