ABB NGC8206 natural gas chromatograph

ABB NGC8206 natural gas chromatograph

Product Overview and Measurement Capability

1. Analyze the components

Using chromatographic blowback technology, it can detect:

Air components (N ₂, Ar, CO, O ₂, excluding CO ₂)

C ₁, CO ₂, C ₂, C ③, iC ₄, nC ₄, neo-C ₅, iC ₅, nC ₅, C ₆+heavy hydrocarbons; Users can input laboratory analysis data to set the composition ratio of C ₆ - C ₁ ₀ for energy calculation.

2. Automatically calculate output parameters

Basic calculation:

AGA-8 gas compression factor, relative density (specific gravity), calorific value Btu/CV, GPM, Wopo index, methane number; Optional extended calculations: AGA-10 sound speed, hydrocarbon dew point.

3. Core hardware platform

Built in 32-bit digital controller, dual electronic carrier gas pressure regulator, furnace sensor, low-noise electronic circuit; The calibration interval can reach several months.

Installation conditions

Installation form: can be directly installed on 2-12 inch process pipelines, or can be installed with pole supports; The shell meets outdoor all-weather protection requirements; Optional low-temperature casing can expand low-temperature working conditions.

Ambient temperature

Standard: -18 ℃~+55 ℃ (0 ℉~130 ℉)

Low temperature options: -29 ℃~+55 ℃; Equipped with a low-temperature shell, it can reach -40 ℃~+55 ℃

Storage temperature -30 ℃~+60 ℃; Maximum humidity of 95% RH (no condensation)

Sample multiplexing: Integrated flow path selector, supporting up to 4 natural gas sample flow paths; Up to 2 channels can be set as calibration/verification gas paths.

Sample preprocessing module (optional): used for sample filtration, configured with a fast loop to reduce sample transmission lag.

Human Computer Interface and Software

PCCU32 software (standard, Windows platform)

Local direct connection via RS232, USB, Ethernet, as well as remote connection via modem, radio, mobile network, satellite;

Equipped with guided configuration, operation, diagnosis, and data collection functions.

Local display screen (optional, 1/4 VGA)

Basic analysis data can be viewed; Complete the "run hold calibrate" operation through the explosion-proof glass external magnetic touch button, without the need for a laptop.

The system runs Windows CE internally; Lithium battery backup RAM; Third level permission security access; Audit level historical logs with timestamps.

Main functional features

Modular hardware design

Software modular plugins; Replace traditional internal thin tubes with manifold modules;

Analysis modules that can be replaced as a whole: flow path solenoid valve, pressure regulation, 32-bit detector electronics, dual channel chromatography unit;

Detector: Thermostatic glass encapsulated thermosensitive beads, which will not burn out if the carrier gas is lost; The double 10 way valve has no metal moving parts.

Automatic start cycle: automatically completes furnace temperature stabilization, module self check, valve timing setting, component identification, carrier gas pressure setting, peak threshold, calibration, and completes the process sample flow return.

Alarm event log: All alarms and events are recorded with timestamps.

Storage capacity: Total storage up to 2.052GB; CPU memory 20MB, Nand Flash 32MB, data storage 128MB-2GB, supports SD memory card.

Calibration modes: exponential calibration, linear calibration; Support on-demand/timed automatic calibration and automatic diagnosis.

Common conditions: low power consumption; Low consumption of carrier gas; No instrument air is required.

Maintain design

For on-site personnel with limited experience in chromatography, a large number of components support quick plugging and replacement as a whole:

Terminal panel, complete analysis module, manifold, flow path solenoid valve, chromatography component, dual load gas pressure regulating valve, analysis processor, feed through heater (optional), sample pre-processing module, 32-bit controller, local display screen.

Supporting: Diagnostic Wizard, which can export diagnostic files to ABB technical support via email; Can export digital chromatograms; Local/remote PCCU32 operation; Provide quick start, startup manual, and startup video.

Historical data storage (default memory allocation, memory can be reallocated by users)

Analysis cycle (default last 480 times): normalized/unclassified components, ideal/actual calorific value, relative density GPM、 Wopo index and alarm.

Average flow path statistics: statistics from the last 840 hours, 35 days, and the last month.

Diagnostic report (last 480 cycles): peak time, peak area, calorific value, carrier gas pressure, furnace temperature, ambient temperature, sample pressure, detector noise and balance.

Audit log: Recently 480 alarms and 480 events; The data can be exported and read from a local laptop or remote communication interface.

Optional accessories

AC/DC power converter, pipeline/pole installation kit, low-temperature shell, insulation sheath, sample pretreatment system, various sampling probes, pressure regulating valves, calibration and verification gases, helium carrier gas (optional hydrogen carrier gas), SD card, maintenance kit, FAT factory acceptance testing, etc.

Key technical specifications

Measurement object: pipeline level natural gas; The calorific value range is 800-1500Btu/scf (29.8-55.9 MJ/m ³); H₂S＜100ppm； Meet the linearity requirements of GPA 2261-99; Follow calculation standards such as GPA2172-96, AGA-8, ISO-6976, etc.

Physical parameters: dimensions 17.1cm × 40.6cm × 22.9cm; overall weight 12.7 kg, transportation weight 21.3 kg.

Shell protection: CSA Type4X; ATEX IP66 equivalent, IECEx IP56； Aluminum alloy polyester powder coating.

Carrier gas: 99.995% chromatographic grade helium gas; A bottle of helium can last for 9-12 months.

Analysis cycle: Approximately 5 minutes, user programmable cycle time.

Repeatability: ± 0.125 Btu at room temperature under 1000Btu conditions; The temperature range is ± 0.25 Btu.

Power supply: Standard 10.5-16 VDC; Optional 21-28 VDC; The startup power consumption is 45W; normal operation only consumes 7W.

Explosion proof certification: NEC/CEC Class I Div1 B/C/D Group T6; ATEX II2G Ex d IIB+H ₂ T6, Zone 1; IECEx、INMETRO， Including Dutch NMI, Romanian BRML, and Chinese metrology certification.

Communication: Two serial port software options include RS232/422/485; Local MMI port; Optional USB and Ethernet; Supports Modbus RTU/ASCII/TCP, Totalflow protocols.