20L Spherical Explosion Tester
It is a professional testing instrument for determining the maximum explosion pressure, maximum explosion pressure rise rate, and explosion index of dust cloud explosion under specific testing conditions. It is mainly used for dust explosive evaluation of aluminum powder, zinc powder, plastic powder, intermediate of organic synthetic drugs, wheat powder sugar, sawdust, dyestuff, bakelite ash, milk powder, and other production and processing places.
Test Parameters
Maximum Explosive Pressure, Maximum Explosive Pressure Rate of Rise, Explosive Index
Applicable Fields
combustible dust
Features
Specifications
Applications
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Features
Specifications
| Working Environment | 5℃ to 45℃, <85%RH |
| Explosive Container | 20L Ball with jacket |
| Vessel Pressure Resistance | Design pressure 3.0MPa@25℃ |
| Ball Material | Stainless steel 316 |
| Ball Working Temperature | Maximum temperature 220 ℃ |
| Sphere Volume | 20L |
| Mezzanine Volume | 1.5L |
| Diffusion Pressure Sensor | Range (0~3.5)MPa, overload pressure 10.5MPa, accuracy ±0.1% FS, operating temperature (-40~105)°C |
| Gas Pressure Sensor | Range (0~200)kPa, overload pressure 600.0kPa, accuracy ±0.1% FS, working temperature (-40~105)℃ |
| Explosion Pressure Detection | Detection range (0~10.0)MPa, resolution 0.001MPa, accuracy ±0.5%FS, response time <20us |
| Explosive Pressure Detection Channels | 2 |
| Explosion Temperature Sensor | Detection range 0 to 1000 ℃, resolution 0.01 ℃ |
| Dust Diffusion Vessel | Capacity 0.6L, pressure resistance 2.5MPa |
| Powder Spraying Pressure | 2MPa |
| Nozzle Type | Bounce Nozzle |
| Powder Spraying Delay Time | 30ms to 50ms |
| Ignition Method | Chemical ignition (customer’s own);Electrostatic Ignition (15kV, 0.5s) |
| Ignition Delay Time | 60ms |
| Explosive Pressure Data Acquisition | Maximum acquisition rate 100 ks/s, recording time 1s |
| Ignition Control | Support remote wireless ignition |
| Automatic Air Distribution | 2 air inlets, 1 air inlet; adopts partial pressure method of air distribution, with independent pressure sensors and solenoid valves, air distribution accuracy ± 0.1% |
| Vacuum System | Rotary vane vacuum pump, equipped with double impact filters to prevent residual substances from clogging and contaminating the pipeline, and easy to replace |
| Snap Ring Diameter | 95mm |
| Cleaning Hole Diameter | 150mm |
| Viewing Window | Armoured glass, 40mm diameter |
| Interface | RJ45 |
| Power Supply | 90~260VAC/47~63Hz |
| Power | 600W |
| Size | 700mm×540mm×1210mm |
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