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Special analyzer for natural gas industry
Special analyzer for natural gas industry
Product details
Shanghai Gas Chromatography is a high-tech enterprise specializing in the research, production, and sales of gas chromatographs, gas generators, chromatography workstations, laboratory analytical instruments, and related products.
Natural gas is colorless, odorless, non-toxic, and non corrosive. Its main component is methane, and it also contains a certain amount of ethane, propane, and heavy hydrocarbons. There are also small amounts of nitrogen, oxygen, carbon dioxide, and sulfides. In addition, moisture was also found in the natural gas pipeline. Compared with other petrochemical fuels, natural gas emits only a small amount of carbon dioxide dust and trace amounts of carbon monoxide, hydrocarbons, and nitrogen oxides during combustion, making it a clean energy source.
Natural gas is a mixture composed of multiple components. The composition of natural gas refers to the components contained in natural gas and their corresponding contents within a detectable range. The composition commonly referred to in testing refers to the content of hydrocarbon components such as methane and ethane, as well as common non hydrocarbon components such as N2 and CO2 in natural gas. Although natural gas still contains impurities such as sulfides and water, these components are not detected in composition analysis unless otherwise specified. In the component analysis of commercial natural gas, due to the relatively stable composition, only simple analysis (also known as conventional analysis) is required for the hydrocarbon components from Cl to C6.
weNatural gas components need to be analyzed by gas chromatography, andCalculate its density, compression factor, and heat generation based on its compositionWait.
The SP-7890 series natural gas analyzer is a fully automated integrated analytical instrument developed by our company in accordance with the latest national standards, keeping up with the development of technology. It integrates the generator, analyzer, computer, and chromatographic workstation into one, and can accurately analyze the content of gas through a single injection. The instrument is equipped with an eight core processor tablet, which directly displays analysis results on the instrument screen, making it convenient and fast.
1、 The main features of specialized analyzers for the natural gas industry are:
1. The electronic circuit has high integration, good reliability, simple operation, and ensures stable and reliable instrument quality. It not only ensures work efficiency but also saves maintenance costs. It automatically remembers operating parameters and does not require resetting when starting up.
2. The instrument adopts an integrated design of hydrogen generator, analyzer, workstation, and computer, and only one instrument is needed to complete the entire analysis, simplifying the detection process.
3. The gas path system adopts a high-precision valve structure, which greatly improves the stability of the instrument gas velocity, thereby obtaining well reproducible analysis results.
4. After the detection is completed, the instrument screen will directly display the spectrum results
2、 Before use, it is necessary to read the safety precautions and details!
To ensure the safe operation of the instrument, please follow the following precautions:
1. Please use the instrument according to its designed purpose;
2. Please strictly follow the operating steps, warnings, and precautions listed in this manual;
3. Please do not disassemble or modify the instrument by yourself;
4. For instrument maintenance, please contact Lunan Precision Instrument Co., Ltd.
This book uses the following two marking symbols to indicate the presence of danger. Please note:
Please strictly follow the "Caution" instructions, otherwise it may cause minor injury or damage to the instrument.
Provide key information or practical tips for easy operation.
★Our company reserves the right to modify and improve the appearance and components of the instrument.
3、 Scope of application of natural gas analyzer
★Detection of added gases such as dimethyl ether, methanol, carbon monoxide, nitrogen, etc. in liquefied petroleum gas
★Detection of gas components such as liquefied petroleum gas, natural gas, and coal gas
★Detection of purity of dimethyl ether
★Detection of nitrogen, methane, and argon in liquefied natural gas
.
★Detection and analysis of calorific value of natural gas.
4、 Preparation work before installation
(1) Studio and Workbench: There should be no flammable or explosive gases, strong electromagnetic fields, or electrical spark interference around the studio, and good ventilation is required indoors; Prepare a workbench that can withstand the entire set of instruments, leaving appropriate gaps behind the instruments for work and maintenance. Natural gas analyzer, natural gas calorific value controller, VOCs detector
(2) Power supply: The instrument uses a 220V50HZ AC power supply, and the input power of the power supply must be greater than the power consumption of the instrument; The power wiring board should have reliable contact; When the power supply voltage fluctuates greatly, a 3-5KW voltage regulator should be used to stabilize the voltage in a timely manner, otherwise the performance of the instrument cannot be guaranteed.
(3) Ground wire: To ensure the performance of the instrument and personal safety, the instrument must be reliably connected to the ground. It is recommended to bury the ground wire with a copper mesh or copper plate in wet soil below one meter deep. It is not allowed to use a power supply neutral wire instead of the ground wire, and it is not allowed to be connected to a water pipe or radiator.
(4) High purity hydrogen gas must be used for power and gas pipelines. Hydrogen gas should be supplied by high-pressure steel cylinders or hydrogen generators. The output pressure requirement for the gas source pressure reducing valve of this instrument is: hydrogen gas: 0.3MPa.
Pay attention to the following points during installation:
★First, refer to the information about using high-pressure steel cylinders, operate according to the requirements, and install the gas gauge
★The gas cylinder is securely placed, with strict fire prevention measures and the presence of electrical sparks around it
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