Dürr Ecopure VAR 2206 Thermal Oxidizer with Flue Gas Cleaning (2021)
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描述
| Manufacturer | Dürr |
| Model | Ecopure Var 2206 |
| Year of Manufacture | 2021 |
| Condition | Used/See Description |
| Lot Number | 31158-1 |
| Inventory ID | Thermal Oxidizer |
For burning liquid and gaseous waste streams including fluorinated gases, e.g. PFAS, and recovery of aqueous hydrogen fluoride
Emissions limits
SO2 ≤ 100 mg/Nm³
NOX ≤ 30 mg/Nm³
CO ≤ 50 mg/Nm³
CF4 ≤ 70 mg/Nm³
HF ≤ 1 mg/Nm³
NH3 ≤ 2 mg/Nm³
Comprising
Direct fired thermal oxidizer
Hot gas cooling and acid recovery
Alkaline wet scrubber
Honeycomb selective catalytic reduction deNOx system
>1M cost spare parts
Direct fired thermal oxidizer
Including 2x natural gas combustion chambers and burners
- High calorific liquid waste requires safe ignition supplemental hydrogen supply for acid formation
- Gaseous waste streams injected via nozzles downstream and close to the burner
- 1.5MW multi-fuel natural gas & liquid waste (minor fuel stream) burner with natural gas capacity up to 200Nm3/h
- 1400C normal, 1540C max allowable temperature destruction of pollutants to reduce emissions with 3.28 MW thermal energy transfer
- 2 seconds minimum residence time in combustion chamber at 1400C
- 1,800mm combustion chamber internal dia.
- Approx 300mm refractory lining
- 2,400mm combustion chamber external dia.
- 12,000mm combustion chamber internal length
- 3.28MW maximum thermal capacity
- 4,900Nm3/h, 60mbar, 14kW combustion air fans
One chamber is active, the other one is on standby and can be prepared, repaired, or maintained.
This allows minimizing shutdown and changeover time to only several days
Wet scrubber hot gas cooling and acid recovery
SGL Carbon Diabon HT-PQ 850 graphite pipe quencher
- 6,000 Nm3/h capacity flow
- 1,100 mm dia.
- 2,000mm high
- pumps
SGL Carbon Diabon THX-RS falling film absorber shell & tube heat exchanger
- 1,100mm dia.
- 4,500mm tube length
- 595 no. tubes
- 22mm tube internal dia.
- Graphite, carbon steel
- pumps
Quench vessel
- PP/FRP
- 1,100mm dia.
- Approx. 6,000mm high
2x Scrubber absorber columns, each
- Shell FRP/PP
- Internals PP
- 1,000mm dia.
- 11,000mm high
- Pumps
- Dosing station
FRP 5m3 Emergency water tank
- 1,600mm dia.
- 3,000mm high
- 3kW heating
2x Teblick 100,000L HDPE hydrofluoric acid tanks (2019)
Honeycomb selective catalytic reduction deNOx system
- 5,900Nm3/h, 130mbar, 42kW induced draft fan
- 320 kW gas/gas heat exchanger
- 500 kW capacity reheat burner
- 1.2m deNOx honeycomb catalyst
Clean gas outflow
Stack with flow & temperature measurement
Spare parts include
- 200 items of sensors, pumps, valves, gaskets, joints etc.
- Graphite quencher
- Falling film absorber
With the redesign and maintenance support of Dürr, the system could also
- be adapted to other halogenated gases with bricks to be selected according to gas application
- cope with the presence of VOCs or contaminated air
- larger volumes with the addition of a small lance for 15kg/h liquid injection
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