A Deep Dive into Gas Explosion Test

2024.07.16

Flammable gases possess the characteristics of easy ignition and explosion. Accurately assessing their fire hazard is fundamental to the prevention, handling, and fire supervision of flammable gas accidents. Different flammable gases vary in their ease of ignition, leading to different consequences in terms of fire and explosion hazards. Parameters assessing the fire hazard of flammable gases also exhibit significant differences. Due to variations in chemical properties, production processes, usage environments, storage conditions, and potential ignition sources, accidents may vary in likelihood and outcomes. Therefore, measuring fire hazard using a single parameter is insufficiently precise. It is recommended to conduct research on the fire hazard of flammable gases under multi-parameter and unconventional conditions to provide technical support for preventing fire and explosion accidents involving flammable gases.

Product Recommendation A – Multiphase High-Pressure Explosion Limit Tester ECB-2002AE

Advanced Testing Capabilities

The Multiphase High-Pressure Explosion Limit Tester ECB-2002AE is specifically engineered to accurately measure the explosion limits of flammable gases, volatile solids, or liquids under conditions of elevated temperature and pressure. It also assesses the maximum explosion pressure during events involving flammable gases. These capabilities are pivotal for industries engaged in chemical process design, hazard assessment, and safety control. Meeting UL9540A standards ensures the precise evaluation of combustion limits and explosion pressures, particularly crucial for analyzing gases released during battery thermal failures, thereby providing critical insights for implementing effective safety protocols.

Comprehensive Risk Analysis

This sophisticated tester conducts detailed evaluations of both upper and lower concentration limits of flammable gases or vapors during combustion and explosion. It also examines explosion pressure and index, offering essential data for characterizing combustion and explosion risks, understanding severity levels, and assessing potential damage. Such comprehensive risk assessments are indispensable for industries managing explosion hazards, enhancing the reliability and robustness of their safety measures.

Enhanced Automation and Versatility

Equipped with fully automated operations, the ECB-2002AE minimizes human error and ensures exceptional repeatability in testing. It incorporates multiple safety features, making it suitable for diverse applications across industries such as coal mining, natural gas, refrigeration, chemical manufacturing, and quarantine inspections. Its versatility as a research and safety testing tool in high-risk environments significantly enhances operational safety and reliability.

Detailed Specifications

Operating within a wide environmental range of -5°C to 45°C and up to 95% relative humidity, the ECB-2002AE offers precise control with a test container temperature range from room temperature to 200°C. It features a configurable maximum gas pressure of 1 bar and is designed to withstand pressures up to 22.0 MPa. The equipment includes a high-precision explosion pressure sensor with a sampling rate of 25 kHz and a linearity of ±1.0% FS, ensuring accurate data collection. With three gas input channels, an adjustable maximum stirrer speed of 400 rpm, and a methane gas mixing accuracy of ±0.2% FS, the ECB-2002AE delivers consistent and reliable results in various testing scenarios.

Product Recommendation B – Explosion Range Tester HWP21-30SE

Advanced Control and Display Features

The Explosion Range Tester HWP21-30S is equipped with an embedded processor and operates on a Windows CE system, ensuring a reliable and user-friendly experience. Its 8-inch LCD touch screen provides real-time test status updates, making it easy to monitor and manage tests. This tester offers optional 5L and 12L round glass test containers for full gas mixing compatibility. The device’s integrated heating and refrigeration design ensures precise temperature control and stability, which is crucial for accurate testing.

Safety and Monitoring Systems

Safety is a top priority with the HWP21-30S, which includes an explosion pressure relief device featuring a pressure relief door and a spring compression system. The built-in air circulation system maintains uniform temperature within the testing chamber. The device also incorporates a high-precision pressure sensor and a combination of thermocouples to monitor the test sample status accurately. Additionally, it automatically records the test environment’s temperature, humidity, and atmospheric pressure, ensuring comprehensive data collection.

Comprehensive Automation and Standards Compliance

The HWP21-30S supports fully automated testing processes, including parameter setting, data storage, and report viewing. It features magnetic stirring, remote start control, and automatic ignition control for precise and consistent ignition timing. The device automatically cleans the container samples and combustion products, enhancing efficiency. Equipped with a video monitoring system, it records the entire test process for later review. This tester complies with industry standards such as GB/T 21844 and ASTM E681-2009, making it a reliable choice for combustion risk assessments.

Specifications Overview

  • Operating Environment: -5 to 45°C, <95%RH
  • Chamber Temperature Control Range: -10 to 210°C, Accuracy ±1°C
  • Sample Temperature Measurement Range: -50 to 350°C, Resolution 0.1°C, Accuracy ±5°C
  • Pressure Measurement Range: 0-110kPa, Accuracy ±1%FS
  • Ambient Temperature Measurement Range: -10 to 60°C, Accuracy ±5°C
  • Ambient Humidity Measurement Range: 5-95%RH, Accuracy ±0%RH

Product Recommendation C – 20L Spherical Explosion Tester ECD-20AE

Evaluating Explosion Hazards

The 20L Spherical Explosion Tester ECD-20AE is an essential tool for assessing the explosion hazards of dust clouds. It accurately determines the maximum pressure (Pmax) and the maximum pressure rise rate (dp/dt)max under qualitative test conditions. This tester provides valuable insights into explosion venting and suppression design, ensuring comprehensive safety evaluations. Its compact size, ease of operation, and low experimental costs make it a practical choice for various testing environments.

Comprehensive Specifications

The ECD-20AE is designed to operate in a working environment ranging from 5°C to 45°C with relative humidity below 85%. It features a 20L spherical explosion container made of stainless steel 316, with a design pressure of 3.0 MPa at 25°C and a maximum working temperature of 220°C. The sphere volume is 20L, complemented by a mezzanine volume of 1.5L. This robust design ensures reliability and durability during testing, providing accurate and repeatable results.

Advanced Detection Capabilities

Equipped with high-precision sensors, the ECD-20AE offers advanced detection capabilities. The diffusion pressure sensor has a range of 0-3.5 MPa with an overload pressure of 10.5 MPa and an accuracy of ±0.1% FS, operating between -40°C and 105°C. The gas pressure sensor ranges from 0-200 kPa with an overload pressure of 600 kPa and the same accuracy and temperature range. The explosion pressure detection system features a range of 0-10.0 MPa, a resolution of 0.001 MPa, accuracy of ±0.5% FS, and a response time of less than 20 microseconds. Additionally, the explosion temperature sensor can detect up to 1000°C with a resolution of 0.01°C. The dust diffusion vessel has a capacity of 0.6L and pressure resistance of 2.5 MPa, ensuring thorough and precise explosion testing.

In Closing

Accurately assessing the fire hazards posed by flammable gases is essential for accident prevention and management. The Explosion Range Tester HWP21-30SE offers precise measurement capabilities and automated safety features, delivering reliable data on vapor-air mixture flammability limits. The Multiphase High-Pressure Explosion Limit Tester ECB-2002AE specializes in high-temperature and high-pressure environments, conducting thorough risk assessments crucial for chemical processes and safety protocols. Lastly, the 20L Spherical Explosion Tester ECD-20AE provides advanced detection capabilities for evaluating dust cloud explosion hazards accurately. Together, these testers constitute robust solutions for comprehensively understanding and mitigating the risks associated with both flammable gases and dust clouds.