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Product Name: Natural Gas Online Analysis Cabin
Field of application: Online analysis and monitoring of natural gas
Application Area: Explosive atmospheres of Zone 1 or Zone 2 Class I hazardous locations, as well as non-hazardous safe areas in petroleum, natural gas, chemical and other industries.
Standards applied: GB/T 25844-2010, GB/T 29812-2013, GB/T 29814-2013, GB/T 3836.1-2021, GB/T 3836.2-2021, GB/T 3836.34-2021, GB/T 28766-2018
It meets the specific environmental requirements of complete online analytical instrumentation systems—such as temperature, humidity, dust protection and explosion protection—thereby providing a safe, stable and reliable operating environment for the instruments. This highly integrated analytical enclosure effectively assists natural gas companies in monitoring gas conditions during production under complex operating conditions, ensuring compliance with the quality specifications for commercial natural gas. At the same time, it avoids the complications and errors associated with coordination between different disciplines and trades that arise in non-integrated installations, thereby enhancing the system’s reliability.
Basic product information:
Operating conditions:
Ambient temperature: -20 to 50 °C
Ambient humidity: relative humidity ≤ 95%
Altitude: <1000m
Environments free from severe vibrations and mild corrosion
Relevant design parameters:
Power supply: 220V/380V mains/UPS
Explosion-proof rating: The rating is determined according to the customer’s requirements
Protection rating: The level of protection is determined according to the user’s requirements
Flammable gas and oxygen alarm thresholds are configurable
Material information:
The external wall cladding consists of 2mm stainless steel sheets
The interior wall panels are made of 1.5 mm stainless steel sheets
The panel is made of 5mm chequered steel plate
The wall infill is 75 mm thick and provides thermal insulation and fire resistance
Installation information:
Structure: Fully assembled
Dimensions: Customisable
Installation method: Forklift handling, crane lifting
Product Specifications:
Analytical instruments:
Basic configuration:
| Configuration Information for the Natural Gas Online Analysis Cabin | |||
| No. | Equipment | Qty | |
| Analytical Instrument | 1 | Chromatograph Analyzer | Optional |
| 2 | Hydrogen Sulfide / Total Sulfur (H₂S/TS) Analyzer | Optional | |
| 3 | Hydrocarbon & Water Dew Point Analyzer | Optional | |
| Basic Configuration | 1 | Cabin Body | 1 |
| 2 | Explosion-proof Air Conditioner (with Dehumidification Function) | 1 | |
| 3 | Explosion-proof Exhaust Fan | 1 | |
| 4 | Explosion-proof Oil Heater | 1 | |
| 5 | Explosion-proof LED Light | 1-2 | |
| 6 | Explosion-proof Socket | 1-2 | |
| 7 | Explosion-proof Solenoid Valve | 1-2 | |
| Safety Alarm Settings | 1 | Combustible Gas Alarm | 1 |
| 2 | H₂S Alarm Signal | 1 | |
| 3 | Oxygen Alarm | 1 | |
| 4 | Sound and Light Alarm | 1 | |
| 5 | Alarm Control System | 1 | |
| 6 | Alarm Test System | 1 | |
| Optional Customization | 1 | Explosion-proof UPS Distribution Box | Optional |
| 2 | Explosion-proof Mains Distribution Box | Optional | |
| 3 | UPS Junction Box | Optional | |
| 4 | Mains Junction Box | Optional | |
| 5 | Alarm Signal Junction Box | Optional | |
| 6 | Analyzer Signal Junction Box | Optional | |
| 7 | Interlock Control Box | Optional | |
| 8 | External Control Lighting Switch | 1-5 | |
| 9 | Gas Cylinder Thermostat / Calibration Gas Constant Temperature Cabinet | Optional | |
| 10 | Rain Eaves, Lifting Lugs | Optional | |
| Interface Standards for Natural Gas Online Analysis Cabins | ||
| No. | Features | Interface Standards |
| 1 | Hydrogen Sulphide/total Sulphur (H₂S/TS) Analyser Signal | RS485 |
| 2 | Hydrocarbon-water Dew Point Analyser Singal | 4-20mA |
| 3 | Chromatograph Signal | RS485 |
| 4 | Flammable Gas Alarm Signal | 4-20mA |
| 5 | H₂S Alarm Signal | 4-20mA |
| 6 | Oxygen Alarm Signal | 4-20mA |
Basic Configuration
Safety Alarms
Customisation Options
Suitable operating conditions for the Natural Gas Online Analysis Cabin:
Several analytical instruments
High standards of accuracy are required
Large-scale metering station
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