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Online crude oil analysis and detection system
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Crude oil online analysis and monitoring system
Keywords:
Online crude oil analysis and detection system
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- Commodity name： Online crude oil analysis and detection system
- Product Description
- Technical parameters
- Device maintenance and precautions
- Explosion-proof certificate
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- Commodity name: Online crude oil analysis and detection system
- Commodity ID: 1354058124985257984
The sensor of the online monitoring instrument adopts microwave principle, which surpasses other principled moisture sensors in resolution, range and reliability, and is currently the most reliable instrument for detecting the water content of petroleum.
The online crude oil analysis and monitoring system is highly integrated with industrial online detection instruments and sensors. It features intelligence, systematization, integration, and standardization, enabling unattended operation, remote monitoring, and intelligent detection. Its overall structure is designed and manufactured in accordance with the national mandatory standard GB3836.1 series explosion-proof standard, meeting explosion-proof requirements, and has been widely used in oil refining and chemical enterprises.
The online crude oil analysis and monitoring system uses explosion-proof types such as explosion-proof, increased safety, and nA for explosion-proof manufacturing of various equipment components. The shell is made of steel structure and stainless steel plates, suitable for explosive environments in Class II, Zone 2 locations in the petroleum and chemical industries.
The online crude oil analysis and monitoring system has complete functions and convenient maintenance. It can simultaneously perform density analysis, water content analysis, and online sampling of crude oil in oil pipelines, and has an automatic combustible gas alarm function. Through a remote computer system, it can realize real-time monitoring of detection data and automatic saving and recording. In addition, our company can customize functions according to customer needs to meet diverse customer requirements.
Reference Standards
SY/T 5317-2006 Petroleum Liquid Pipeline Automatic Sampling Method
GB/T 27867 Petroleum Liquid Pipeline Automatic Sampling Method
ISO 3171 Liquid Pipeline Automatic Sampling Method
GB/T1885-1998 Petroleum Meter
GB/T 9109-1988 Crude Oil Dynamic Measurement
JJG 899 Petroleum Low Water Content Analyzer
SY/T 5402 Determination of Water Content in Crude Oil - Electrical Dehydration Method
JJG370 Verification Procedure for Online Vibration Tube Liquid Density Meter
JJG1038 Verification Procedure for Coriolis Mass Flow Meter
JJG 499-2004 Verification Procedure for Precision Dew Point Instrument
GB/T 3836 Explosion-proof Electrical Equipment
IEC60529 Protection Standard
IEC60079/GB3836 Explosion-proof Standard
GB4028 Classification of Degrees of Protection Provided by Enclosures
ANSI/ASME-B16.5 Flange Standard
MSS-SP-25 Marking System Standard
ASTM A216，A105、A182 Material Standard
JB/T 4730 Non-destructive Testing of Pressure Vessels
HG/T 20592~20635 Steel Pipe Flanges, Gaskets, and Fasteners
SH/T-3406 Petrochemical Steel Pipe Flange Standard
IEC 68 Environmental Testing
GB/T15464 General Technical Conditions for Packaging of Instruments and Meters
GB 6587.1 General Principles of Environmental Testing for Electronic Measuring Instruments
GB 6587.2 Temperature Test for Electronic Measuring Instruments
GB 6587.3 Humidity Test for Electronic Measuring Instruments
GB 6587.4 Vibration Test for Electronic Measuring Instruments
GB 6587.5 Shock Test for Electronic Measuring Instruments
GB 6587.7 Basic Safety Test for Electronic Measuring Instruments
GB 6587.8 Power Frequency and Voltage Test for Electronic Measuring Instruments
GB 3836.1 Explosive Atmospheres - Part 1: Equipment - General Requirements
GB 3836.2 Explosive Atmospheres - Part 2: Equipment Protected by 'd' Enclosures
GB 3836.3 Explosive Atmospheres - Part 3: Equipment Protected by 'e' Enclosures
GB 3836.8 Explosive Atmospheres - Part 8: Equipment Protected by 'n' Enclosures
GB50058-2014 Design Code for Electrical Installations in Explosive Hazardous Environments
System Performance Characteristics:
1. Advanced detection technology, high precision
• Testing equipment is controlled by a microcomputer, and the test program can be completely downloaded to the testing equipment for operation.
• The software can set the upper and lower limits of various parameters, and when the set values are exceeded, the software will automatically control the disconnection of the test circuit to achieve safety.
• Each test channel in the system is relatively independent and controllable.
• Project types include: moisture, density, pressure, online sampling, and combustible gas detection.
• Moisture measurement uses capacitive measurement principles to accurately measure the moisture content of the medium. It uses a corrosion-resistant probe, with a continuous service life of more than 5 years under extreme conditions.
• Online density analysis can simultaneously read four parameters of the medium: density, pressure, etc., facilitating industry-standard density conversion, ensuring product quality and consistency among different batches.
• Online sampling of crude oil liquids is used for sampling non-corrosive fluids in any liquid pipeline. It has a high degree of automation, monitoring the entire process of sample collection and flow signals. Proportional sampling by flow rate and time-proportional collection.
• Combustible gas detection uses high-performance catalytic combustion gas-sensitive components combined with sophisticated SMD technology, featuring strong anti-interference ability, stable performance, and reliable sensitivity; fully ensuring accurate and timely alarms.
• The test system can display in real time, and use software to plot and print test data or the complete test process.
• With the help of software, test data can be automatically transmitted via a local area network.
• Created graphics can be saved as templates for later reuse.
• The system power alarm function can save complete test data and restart when the external power is suddenly cut off.
• The test cabinet is designed with a front door for easy maintenance and inspection.
2. Safe and reliable
The online crude oil analysis and monitoring system conforms to GB3836.1-2010 "Explosive atmospheres Part 1: Equipment General requirements", GB3836.2-2010 "Explosive atmospheres Part 2: Equipment protected by "d" type flameproof enclosures", GB3836.3-2010 "Explosive atmospheres Part 3: Equipment protected by "e" type increased safety", and GB3836.8-2014 "Explosive atmospheres Part 8: Equipment protected by "n" type protection" standards, and has the following characteristics:
(1) The door is equipped with PC visible glass, allowing a clear view of the operation of all instruments from the outside.
(2) When the concentration of combustible gas inside the casing is too high, an alarm signal will be issued, and the power of this equipment will be cut off.
(3) It has sufficient mechanical strength, and all fasteners are equipped with anti-loosening devices to prevent parts from falling off during the use of the online crude oil analysis and monitoring system.
(4) The casing of the online crude oil analysis and monitoring system is made of stainless steel material, which better achieves rust and corrosion prevention.
(5) The online crude oil analysis and monitoring system is equipped with a heating system to ensure a constant measurement environment temperature and ensure measurement accuracy.
System Specific Configuration and Description:
The online crude oil analysis and monitoring system is designed and manufactured according to the technical attachments of the online analyzer and supporting pretreatment system for the project. The main body structure configuration, explosion-proof material installation, explosion-proof instrument fixation, various cables, installation brackets, auxiliary frame assembly, etc., and the explosion-proof system, closed system and safety precautions constituted thereby are described as follows.
1. Main body structural dimensions and specifications
1000×800×1300 (L×W×H) mm;
2. Main body structure form
(1) The casing is completely welded using stainless steel plates, with an integral channel steel and angle steel frame;
(2) It uses an outward-opening door with a PC window;
(3) Overall grounding, with a stainless steel strip for single-point grounding, for grounding protection;
(4) Built-in combustible gas detector for emergency power off.
3. Electrical equipment
(1) Explosion-proof junction box, explosion-proof T-type junction box (heating belt junction box), heating belt
(2) Circulation pump motor, hydraulic pump motor
(3) Water content sensor, density sensor, PT100 probe
(4) Display
4. Online crude oil analysis and monitoring system configuration
(1) Density and content analysis
Online density and content analysis can simultaneously read four parameters: density, content, and pressure of the medium, with automatic temperature compensation function, facilitating industry-standard density conversion. It can perform online density measurement of various liquids or liquid mixtures, monitor changes in liquid density during production, thereby ensuring product quality and consistency among different batches of products.
(2) Moisture measurement
Moisture measurement uses capacitive measurement principle to accurately measure the moisture content of the medium. It features high measurement accuracy, stable data, simple installation, easy use, inspection, and maintenance, convenient and flexible software, simple calibration, standard signal output, easy integration, built-in calibration curve for use, and allows customers to easily create their own calibration curves.
(3) Crude oil liquid pipeline sampling
Crude oil liquid pipeline sampling is easy to install and maintain, and has good safety performance. It can be used for sampling non-corrosive fluids in any liquid pipeline. It has a high degree of automation, monitors the entire process of sample collection and flow signals, and has fault alarms. It supports flow ratio sampling and time ratio collection. The oil flow rate at the sampling probe inlet and the branch pipeline are equal, ensuring the representativeness and accuracy of the flow ratio sampling.
(4) Combustible gas detector
The combustible gas detector is manufactured using high-performance catalytic combustion gas-sensitive components combined with sophisticated SMD technology. It has good repeatability and resistance to humidity and temperature interference, long service life, and easy operation. It uses CAN bus communication, has strong anti-interference ability, stable performance, and is sensitive and reliable; node errors automatically exit without affecting bus communication; information sent can be automatically resent if damaged; nodes can be connected or removed without closing the bus, enhancing system flexibility and scalability; anti-interference performance is enhanced in both software and hardware to ensure accurate and timely alarms; each detector can set different logical addresses through internal DIP switches, increasing product versatility; integrated design and surface mount technology (SMT) improve cost-effectiveness and reliability.
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Main Technical Parameters:
1. Explosion-proof marking: Ex d e nA IIB T4 Gc
2. Pressure rating: 1.6Mpa, 2.5Mpa, 4.0Mpa, 6.4Mpa,
3. Voltage: Three-phase five-wire system 380V (must be grounded)
4. Total power: 4kw
5. Medium temperature: 20℃-240℃ (fluidity)
6. Measuring range: 0-100%
7. Water content accuracy: 0-10% ≤±0.5% 0-100%≤1.0%
8. Concentration accuracy: ±0.05%
9. Density accuracy: ±0.05% (full scale)
10. Density range: 0.00g/cm3-2.000g/cm3
11. Temperature accuracy: ±0.1℃
12. Instrument accuracy: Basic error better than 5%.
13. Sensitivity: Under standard conditions, when the sample gas flow rate is 300～700ml/Min, the sensitivity is 40～120μA/PPM.
14. Response time: T63≤60S
15. Air tightness: The instrument's airtightness requires that under 0.3MPa gas pressure, the pressure drop is no more than 0.01MPa for 30 minutes. (Refers to the gas path after the pressure reducing valve, the gas path before the pressure reducing valve withstands 1MPA pressure)
16. Probe material: 316SS
17. Analog output: Maximum 750Ω load
18. Output signal: Two-wire 4～20mA, modbus/RS485+HART communication protocol, with remote communication function.
19. Relative humidity: 0～98% (non-condensing)
20. Ambient temperature: -20℃～40℃
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Installation Requirements:
1. External Requirements: The ground must be level, firm, and flat, without significant shaking or impact vibrations.
2. Grounding is required.
3. Avoid direct sunlight.
4. Avoid strong airflow interference.
6. Avoid strong electromagnetic interference and heat sources.
7. Indoor ambient temperature: 5℃～+45℃
8. Ambient humidity: Relative humidity not exceeding 98%
9. Altitude: Not exceeding 2000m
10. Atmospheric pressure: 86-106Kpa
11. Ambient temperature: -20-40℃
12. Relative humidity: 45-84%RH
13. Installation should avoid icing, condensation caused by rapid changes in ambient temperature, direct sunlight, and heat accumulation.
Safety Precautions:
1. The online crude oil analysis monitoring system must be grounded at a single point, with a grounding resistance <4Ω.
2. Strictly prohibit the storage or temporary placement of any combustible, flammable, or inflammable materials, and strictly prohibit the storage or temporary placement of strongly corrosive materials.
3. It is strictly forbidden to disassemble, loosen, or remove any live wiring of the various junction boxes, sensors, sampling pumps, heating tapes, etc., and their connecting parts of the online crude oil analysis monitoring system. This can only be done after power is cut and a portable combustible gas detector test has passed.
4. During daily maintenance of the online crude oil analysis monitoring system:
(1) Check the operating status of external electricity and gas, and strictly prevent any abnormalities in electricity and gas.
(2) Check the instrument operating status and whether there are any abnormalities in the DCS display (including historical curves).
(3) In case of abnormalities, the system must be shut down to troubleshoot.
(4) Check the configured facilities, explosion-proof equipment connections, pipeline connections, operating status, and whether there are any abnormalities in the flow and pressure indications.
5. Strictly abide by the safe electricity usage regulations.
6. Check the combustible gas detector once a month to ensure it is working properly.
7. For explosion-proof instruments and flameproof components configured in the system, never handle them while energized. Strictly abide by the safe electricity usage regulations.
8. After replacing pretreatment components in the system or suspecting a leak somewhere, a strict leak check must be performed under supervision. Leaks are strictly prohibited. Prevent toxic gas poisoning.
9. If the system encounters operational quality problems that the user cannot handle, contact the manufacturer immediately to prevent the accident from escalating.
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Customer satisfaction is the standard for testing product quality. Listen to the voice of customers, grasp the needs of customers, define quality standards with customer satisfaction, and do everything possible to improve customer satisfaction and loyalty. Insist on doing things right the first time and strive to provide customers with reliable products and services.
Contact Information
Address: B2 Building, Jiwei Pharmaceutical Industrial Park, Gaoxin District, Heze City, Shandong Province
