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Gas pretreatment system TH2000

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Overview
The TH2000 gas pretreatment system is mainly used in the gas analysis industry. The main principle is to sample the flue gas or temperature and humidity of the measured gas on site for cooling, dehumidification, dust filtration, and tar filtration treatment, and the temperature and humidity of the measured gas Constantly in a certain range, so that the gas analyzer can detect the concentration normally, and the whole process is automated processing without human intervention. The TH2000 gas pretreatment system is s......
Product Details

Details

Product description of gas pretreatment system:

The TH2000 gas pretreatment system is mainly used in the gas analysis industry. The main detection occasions: flue gas emission, desulfurization and denitrification, boiler tail gas, sewage pipeline gas detection and analysis, etc.


The main principle is: the sampling unit collects the flue gas or the gas to be measured on site, the pretreatment unit cools the gas, dehumidifies, filters the dust, and keeps the temperature and humidity of the gas to be measured within a certain range, and the gas detection unit detects and analyzes the gas to be transported The incoming gas will display the measured gas concentration on the display screen in real time, and transmit the data signal to the terminal such as PLC or computer. It can also be transmitted to the cloud server via wireless GPRS or network, and the user can read the data from the server. Realize global network monitoring and analysis. The whole process is automated and does not require human intervention.


The TH2000 gas pretreatment system is suitable for gas detection and analysis in low dust, temperature, and humidity occasions. If the dust content of the gas to be measured is required to be equipped with an automatic back-blowing system, otherwise, it is necessary to manually maintain and clean the dust filter on a regular basis. The TH2000 gas pretreatment system has a built-in high-efficiency compressor water-cooled dehumidification system and a 0.5-meter fine dust filter sampling head (flange installation), a sampling distance of 40 meters, automatic cooling, automatic drainage, and tar filtering. For the detection and analysis of gas soluble in water and the outdoor freezing environment in winter, to prevent the sampling pipeline from freezing, it is necessary to choose a thermal insulation and electric heat tracing constant temperature control system. If you have high requirements on the dryness and cleanliness of the gas to be tested, please choose TH3000 series, which includes heat preservation and electric heating constant temperature control system, double-effect compressor water-cooled dehumidification system, which can control the stability of the gas at 4℃ or 5℃

The gas pretreatment system refers to laws and regulations:


"Emission Standard of Air Pollutants for Thermal Power Plants" GB13223-96


The "Law of the People's Republic of China on the Prevention and Control of Air Pollution" came into effect on September 1, 2000


"Technical Specification for Typical Equipment of Continuous Flue Gas Monitoring System in Thermal Power Plants" G-HB97-01


"Technical Regulations for Continuous Monitoring of Flue Gas Emissions in Thermal Power Plants" HJ/T-2000


"Measurement of Particulate Matter and Sampling Method of Gaseous Pollutants in Emission of Stationary Pollution Sources" GB/T16157-1996


"Technical Conditions of Flue Gas Sampler" HJ/T47-1999


"Technical Conditions of Flue Gas Sampler" HJ/T48-1999


"Technical Specification for Continuous Monitoring of Smoke Emissions from Stationary Pollution Sources" HJ/T75-2007


"Fixed pollution source flue gas continuous monitoring system requirements and detection methods" HJ/T76-2007

Product features of gas pretreatment system:


Optional explosion-proof, waterproof design (standard non-explosion, protection, etc. IP66, outdoor type), fast, reliable and stable detection.


The gas analysis unit can be built into the chassis or externally.


The standard sampling distance is 30-40 meters, and the remote sampling distance of the optional vacuum pump is more than 70 meters.


The standard pretreatment temperature is 600°C, TH2000 can pretreat flue gas at 1300°C, and TH3000 can pretreat flue gas at 2000°C.


The 9-inch display screen can display various probe parameters and control other equipment.


Network transmission, 4-20mA input, RS485 input, 4-20mA output, RS485 communication.


Optional: no display window or 2.5-inch display, wireless transmission, sound and light alarm, data printing function, linux operating system, touch screen, 16G large capacity SD memory card, U disk storage.


Introduction to the principle of gas pretreatment system:


The sample gas is processed according to the pressure, temperature, humidity, flow, (dust content), and cleanliness that the analyzer can accept


Yes, mainly complete the following tasks:


Sample sampling: Use a vacuum sampling pump or a DC brushless pump to extract the sample gas from the flue and other environments


Dust filtration: The measured gas passes through a precision dust filter and then enters the sampling pipeline. If it is a dusty environment, an automatic blowback system can be selected.


Cooling treatment: the temperature of the sampling probe and sampling pipeline can be cooled, and the gas within 1300℃ can be processed


Optional function: double-effect compressor water-cooled dehumidification system, stable control of the gas at 4 ℃ or 5 ℃


Tar treatment: After the sample gas passes through the tar filter, the tar and residual dust are removed


Gas-water separation: Free water appears after the sample gas is cooled down through the sampling pipeline. The gas-water separator separates the gas, water and residual dust, and drains automatically.


Secondary filtration: According to the size of the site humidity, the secondary water vapor separation is carried out


Heat tracing function: This function is optional, heating, heat preservation, to prevent water vapor condensation and part of the gas from dissolving in water, and to prevent the sampling pipeline from freezing in winter


Detection and analysis: real-time detection and display of the concentration, and the data is transmitted by 4-20mA/RS485 and other signal methods, and it can also be transmitted to a remote server or environmental protection bureau or monitoring station through wireless transmission or network transmission


Flow regulation: control the amount of gas intake


Gas switching: switch between measured gas, standard gas or air

Parameter

Technical parameters of gas pretreatment system:

System Components:


Sampling unit


Sample gas pretreatment unit


Gas analysis unit


Detection parameters: SO2, NOX, O2, CH4, CO, CO2, NH3, H2S, VOCs and other gas types, and can also detect wind speed,


Meteorological parameters such as wind direction, rainfall, atmospheric pressure, pipeline pressure, temperature and humidity, etc., selected according to customer requirements


Measuring range: depending on the actual needs of the inspection site


Detection principle: It depends on the gas composition, concentration and working conditions of the detection site. The principles of electrochemistry, infrared, laser, ultraviolet spectroscopy, etc. can be selected


Sampling temperature: -40℃~600℃ (standard), optional: -40℃~800℃, -40℃~1300℃


Sampling humidity: 0~99%RH, wet gas can be pretreated


Host working environment:-40℃~70℃, ≤95%RH


Work mode: online continuous work, pump suction sampling (positive pressure, negative pressure, vacuum environment are available)


Sampling distance: standard 30-40 meters, the sampling distance of the optional vacuum pump is greater than 70 meters


Sampling flow: adjustable, 4 liters/minute (standard), 10 liters/minute, optional


Working voltage: 220VAC, 50HZ


Output signal: 4~20mA, RS485, multiple passive contacts, optional: wireless transmission, network transmission


Dimensions: 800mm*500mm wide*340mm thick


Protection: IP66 outdoor waterproof type, explosion-proof type is optional


Display mode: standard product has no window display, optional 2.5 inch or 9 inch touch color screen display, linux operating system


Data storage: 100,000 data, optional 16G large-capacity SD memory card, U disk storage


Printing method: no printing function, optional wireless bluetooth printer for printing


Alarm mode: optional sound and light alarm or external sound and light alarm


Gas pretreatment system accessories list:


1 set of online monitoring pretreatment system (including 1 corresponding gas detector)


Product manual 1


Infrared remote control 1


PC computer connection software (sent by for free) 1 copy


RS485 modbus (RTU) communication protocol (send by ) 1 copy

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