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Tengzhou Tenghai Analytical Instrument Co., Ltd
GC-THA online gas chromatograph hydrocarbon analyzer
NegotiableUpdate on 10/24
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Overview
Air separation is currently the main method for industrial production of oxygen, nitrogen, and argon. Due to air pollution, hydrocarbons contained in the raw air enter the oxygen concentrator system, directly threatening safety production, and the situation is quite serious. In recent years, there have been hundreds or thousands of explosions in large, medium, and small air separation equipment both domestically and internationally due to excessive hydrocarbon content, resulting in astonishing direct and indirect losses. If detected at any time, the content of hydrocarbons can be predicted in advance, and measures can be taken early to prevent explosions.
Product Details
GC-THA online gas chromatograph hydrocarbon analyzer
Trace hydrocarbons (CH) in liquid oxygen4、C2H6、C2H4、C2H2、C3H8、C3H6）Analysis of Total Hydrocarbons (GC-THA)
Air separation is currently the main method for industrial production of oxygen, nitrogen, and argon. Due to air pollution, hydrocarbons contained in the raw air enter the oxygen concentrator system, directly threatening safety production, and the situation is quite serious. In recent years, there have been hundreds or thousands of explosions in large, medium, and small air separation equipment both domestically and internationally due to excessive hydrocarbon content, resulting in astonishing direct and indirect losses. If detected at any time, the content of hydrocarbons can be predicted in advance, and measures can be taken early to prevent explosions. The GC-THA online hydrocarbon analyzer can help you detect and predict in advance at any time, making it an indispensable choice for air separation explosion prevention!
Working principle
GC-THA online hydrocarbon analyzer designed and produced based on gas chromatography principle.
Application Fields
The GC-THA gas chromatography analyzer is an online gas chromatograph that can analyze trace hydrocarbons in air separation equipment, monitor changes in the content of explosive components, and provide air separation equipment
Important reference data for the safe operation of the main condenser. It can also be used as a process control instrument for detecting hydrocarbons in industries such as petrochemicals, steel, and gas.
Product Features
1. It can continuously monitor the sample of the gas to be tested.
2. It is a fully automatic analysis instrument that can automatically schedule, sample, analyze, and achieve good separation and analysis results, with reliable data.
3. It can achieve free switching between automatic and manual injection to obtain more reliable data.
4. The instrument is easy to operate, and the injection and sampling time can be set arbitrarily.
5. Measurement objects: Trace hydrocarbon content in the main cold liquid oxygen, storage tank liquid oxygen, and air.
6. If the customer requires monitoring data, it can be uploaded to the air separation control room operation interface through 4-20mA;
7. Supporting cabinets and necessary pre-processing systems;
8. Meet the corresponding national standards and requirements.
Technical Specifications
| technical indicators | Column oven temperature | Flame ionization detector（FID） | Converter furnace（Ni） | Instrument working environment |
| Stable startup time:<1hour Temperature control accuracy: ≤±0.1℃ Normal operation stability of the instrument: Baseline noise:< 0.5×10-13A Baseline drift:< 1×10-13A/30min Quantitative repeatability (calculated as acetylene):RSD≤3% |
Temperature control range: room temperature+10～300℃ Temperature control accuracy: ±0.1℃ |
Temperature control range: room temperature+10～300℃ Temperature control accuracy: ±0.1℃ Baseline noise: ≤0.05mv Baseline drift: ≤0.2/30min Small detection concentration:0.01ppm(With B) Alkyne meter) |
Temperature control range: room temperature+10～ 300℃ Temperature control accuracy: ±0.1℃ Conversion rate:100% |
Injection pressure: ＜0.2Mpa Allow temperature usage:5~50℃ Allow relative humidity:5~85% power supply220V±10%, 50 Hz10% |
Standard spectrogram
| detection limit | |
| component | Direct detection (ppm) |
| C2H2(Acetylene) | ≤ 0.01 |
| CH4(Methane) | ＜ 0.01 |
| C2H6(Ethane) | ＜ 0.01 |
| C2H4(Ethylene) | ＜ 0.01 |
| C3H8 (Propane) | ＜ 0.01 |
| C3H6(Acrylic) | ＜ 0.01 |
| Total hydrocarbons | ＜ 0.01 |
Analytical media: oxygen, liquid oxygen, methane in liquid air, ethane, acetylene, ethylene, propane, propylene, total hydrocarbons
flowchart
Technical advantages: It can be equipped with online automatic sampling equipment and is compatible with automatic samplers produced by multiple manufacturers at home and abroad.
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GC-THA online gas chromatograph hydrocarbon analyzer flow chart
1.High purity nitrogen as carrier gas 3.The chromatographic column isGDX-501
2.Use hydrogen flame detector（FID）4.Six way valve injection |
Online gas chromatograph cabinet:
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