Online monitoring system for VOCs in the petrochemical industryConstruction background

VOCs（VolatileOrganicCompounds）， Volatile organic compounds.

For the petrochemical industry, VOCs mainly include volatile organic gases and light hydrocarbons;

The average proportion of VOCs in PM2.5 is close to 30%, and the maximum VOCs pollution emission standard can reach over 41%.

Petrochemical enterprises are one of the main anthropogenic sources of VOCs emissions, mainly from unorganized emissions such as leakage of petrochemical equipment and pipe valves, respiration from various storage tanks, exhaust gas from equipment, volatilization of oil products during transportation, and discharge from wastewater treatment systems.

Online monitoring system for VOCs in the petrochemical industryProduct Introduction

U-CEMS100 is a gas detection instrument developed by Lanju Intelligent Technology for real-time online monitoring of volatile organic compounds from fixed pollution sources in the environment; It is a standardized, modular, and specialized system integration product that integrates gas sampling, gas filtration, real-time concentration display, local sound and light alarm, equipment linkage, data remote, and other functions; The product adopts a three proof design and can be directly used outdoors; The Blue Residence U-CEMS100 VOC online monitoring system is actively sampled, professionally filtered, and then tested in a professional gas chamber. It has the characteristics of faster response speed, stronger anti-interference ability, more accurate measurement, and longer lifespan; Due to its outstanding performance and excellent performance, it can not only be used for organized or unorganized gas emissions within enterprises, but also provide data decision support for environmental monitoring and other departments.

Reference standards

GB 3095-2012 "Environmental Air Quality Standards"

GB3095-1996 "Environmental Air Quality Standards"

GB16297-1996 Comprehensive Emission Standards for Air Pollutants

GB13271-2001 "Boiler Air Pollution Emission Standard" Class II Zone II Time Standard

GB37822-2019 "Unorganized Emission Control Standards for Volatile Organic Compounds"

_{GB37823-2019 "Emission Standards for Air Pollutants in the Pharmaceutical Industry"}

_{GB37824-2019 "Emission Standards for Air Pollutants from Coatings, Inks, and Adhesives Industry"}

HJ/T212-2005 "Data Transmission Standard for Pollution Source Online Automatic Monitoring (Monitoring) System"

HJ/T193-2005 Technical Specification for Automatic Monitoring of Environmental Air Quality

HJ/T397-2007 Technical Specification for Fixed Source Waste Gas Monitoring

HJ/T55-2000 "Technical Guidelines for Monitoring Unorganized Emissions of Air Pollutants"

DB12/524-2014 "Emission Control Standards for Volatile Organic Compounds in Industrial Enterprises"

Monitoring principle:

The Blue Residence U-CEMS100 VOC online monitoring system consists of a VOC gas analyzer based on PID technology, a Japanese imported dehumidification and dust removal filter, a foreign brand long-life vacuum sampling pump, a 24V power converter, and a circuit protection device; Its working principle is: the product is powered by 220V, which is converted to 24V by an internal power converter and directly supplies power to the VOC detector and vacuum pump; The vacuum pump working internally actively sucks in the external gas into the trachea, and after efficient dehumidification and dust removal filtration, it is sent to the professional gas chamber of the VOC gas analyzer for concentration detection; The detected concentration values will be displayed in real-time on the screen of the VOC gas analyzer; At the same time, there are also 4-20mA or RS485 signals for remote data transmission; In addition, the U-CEMS100 VOC online monitoring system can also be used in conjunction with equipment such as fans, valves, and sprinkler systems in factories, and can be linked through internal switch signals. Immediate alarm for gas exceeding the standard, and simultaneous activation/deactivation of linkage equipment; In addition, its monitoring data can also be received in real-time through dedicated supporting software, and can achieve multi-channel unified management and unlimited expansion of quantity. The stored data can also be queried at any time period, with curve display, data EXCEL export, etc., making the monitoring data clear at a glance.

The complete set of equipment consists of VOCs online monitoring instrument, data transmission network, backend data processing system, and information monitoring and management platform.

Product Features:

PID technology principle, fast response speed, high measurement accuracy;

Imported brand filters, secondary filtration, high-efficiency dehumidification and dust removal;

Equipped with a built-in vent, it can drain and exhaust water;

Imported vacuum pump, active sampling, long service life;

Full range temperature and humidity compensation+data correction;

● Powerful sound and light alarm function, automatic alarm for exceeding standards;

Wall mounted design, convenient for installation and fixation;

● Meet the standards implemented by the Ministry of Environmental Protection or local governments;

● Wired or wireless signal output is optional, which can be connected to computer storage or wirelessly connected to the Environmental Protection Bureau;

Two sets of relay outputs for easy device linkage;

Gas fluid engineering design, beautiful and elegant;

Outdoor specific coating, waterproof, sunscreen, and corrosion-resistant;

IP65 protection level, suitable for direct outdoor use;

Explosion proof rating: ExdIICT6 Gb