Model CI-XT60NProposal 202610P01Quotation 261015Q02
Online Flue Gas Analysis System for Biomass Boiler
Floor-standing analysis cabinet, 600 W × 600 D × 2000 H mm on a 100 mm plinth, for continuous O₂, CO and CO₂ monitoring of biomass boiler flue gas on a dry basis. Three 19-inch analyzers sit behind the door window. Below them, the sampling panel carries the precision filter, sample gas pressure gauge and regulating valve, calibration port, one flowmeter per analyzer and the sample / calibration valve, with the CI-R300P sample gas cooler underneath.
Measurement requirements
| Parameter | Analyzer | Principle | Measuring range |
|---|---|---|---|
| Oxygen O₂ | CI-PC912 | Electrochemical | 0~25.00 vol% |
| Carbon Monoxide CO | CI-PC21-C | Enhanced NDIR | 0~10,000 ppm |
| Carbon Dioxide CO₂ | CI-PC21-B | Enhanced NDIR | 0~25.00 vol% |
Process: biomass boiler flue gas at about 350 °C. Results reported on a dry basis after the compressor condenser.
Analyzer performance
| Analyzer | Accuracy | Repeatability | Drift | Response | Sample pressure | Sample flow |
|---|---|---|---|---|---|---|
| CI-PC912 O₂ | ±2 % F.S. | ±1 % F.S. | ±1 % F.S. / 7 d | T90 < 20 s | Atmospheric ±10 % | 500~1000 mL/min |
| CI-PC21-C CO | ±2 % F.S. | ±1 % F.S. | Zero and span ±1 % F.S. / 7 d | T90 ≤ 60 s at 0.5 L/min | Atmospheric ±10 % | 500~1000 mL/min |
| CI-PC21-B CO₂ | ±2 % F.S. | ±1 % F.S. | Zero and span ±1 % F.S. / 7 d | T90 ≤ 60 s at 0.5 L/min | Atmospheric ±10 % | 500~1000 mL/min |
CI-PC21 inlet limits: particles ≤ 1 µm and ≤ 200 µg/Nm³, water content at saturation no higher than 5 °C with no condensation, which sets the duty of the condenser and filter. CI-PC21 case is 19-inch, 483 × 300 × 177 mm; CI-PC912 is shown in the same 19-inch case style.
Cabinet
- Model
- CI-XT60N
- Dimensions
- 600 W × 600 D × 2000 H mm, plus 100 mm plinth
- Enclosure
- Carbon steel, blasted and powder-coated, RAL 7035; canopy roof with four lifting eyes
- Doors
- Front door with round-cornered window and black rubber lining; rear door with ventilation louvres. Both right-hinged, lockable handles aligned
- Installation
- Indoor or sheltered, ventilated location; no cabinet air conditioner
- Panel layout
- Name plate with power indicator; three 19-inch analyzers, each with a label strip; sampling panel; sample gas cooler; lower cover over the electrical compartment
- Connections
- Heated sample line, purge air, vent, drain, power and signal entries at the cabinet floor
Signals and power
- Analog output
- One isolated 4~20 mA per analyzer (3 channels), selectable 0~20 mA / 0~10 V / 1~5 V
- Communication
- RS485 Modbus RTU (standard), RS232 (optional)
- Relays
- 2 concentration alarms per analyzer, 24 VDC 0.2 A contacts
- Control input
- 9~28 VDC external control signals
- Power
- AC 220 V, 50 Hz to the cabinet; analyzers accept 85~264 VAC
Sample path
- High-temperature sampling probe with filter and automatic back-purge, at the flue duct
- Heated sample line, 20 m, held above the flue gas dew point
- CI-R300P sample gas cooler (compressor condenser); condensate removed by the peristaltic pump
- GF2800 precision filter
- Sample pump, then sample gas pressure gauge and pressure regulating valve
- 3-way valve, sample / calibration, fed by the front calibration port
- One flowmeter per analyzer, then CI-PC912, CI-PC21-C and CI-PC21-B
- Analyzer outlets to the common vent at the cabinet floor
Calibration and maintenance
- Cycle
- 1 year recommended for each analyzer
- Zero gas
- High-purity nitrogen
- Span gas
- CO and CO₂ in N₂, and O₂ in N₂, at about 80 % of each range
- Gas supply
- Calibration gases supplied by the buyer
- Routine
- Probe and GF2800 filter elements, peristaltic pump tubing, condensate drain check, leak check of fittings
Concept model for proposal illustration. Final internal layout follows the factory general arrangement drawing.