The Main Purpose Of The Special Gases Application Control System Is To Provide High-Purity Electronic Special Gases For The Safe Supply Of Industrial Process End-Use Points. The Entire System Consists Of A Number Of Modules Covering The Entire Flow Path From The Gas Source To The Gas Manifold To The End-Use Point.
There Are Two Main Requirements For The Use Of Speciality Gases In User Units. One Of The Main Requirements Is To Ensure Pressure And Purity, Which Is Achieved In The Speciality Gas Control System By Means Of A Pressure Regulator, And Purity By Means Of A High Degree Of Airtightness Of The System To Avoid External Contamination And Filtering Of Particles In The Gas By Means Of A Filter.
The Second Main Requirement Is Safety, Flammable And Explosive Gases, Toxic Gases, Corrosive Gases And Other Dangerous Gases Are Special Gases. Therefore, The Special Gas System Engineering Danger Is High, In The Design, Installation And Use Of Operation Need To Consider The Supporting Safety Facilities.
Today We Mainly Know, In The Special Gas Application Control System Has What Safety Linkage Equipment?
01 Emergency Stop Button
The Emergency Stop Button Is Used To Remotely Close The Pneumatic Valves Of The Gas Supply Equipment On Site.
When The Leakage Alarm Reaches The Second Alarm, The Staff Can Carry Out Remote Manual Shutdown Operation On The Gas Supply Equipment, And Close The Pneumatic Valve Of The Gas Supply Equipment In Time.
02 Gas Detector
The Gas Detector Is Mainly Used For Continuous And Uninterrupted Sampling And Analysis Of The Gas Supply Equipment To Determine Whether There Is Gas Leakage From The Gas Supply Equipment.
When The Detector Works Normally, The Sampling Flow Rate Of The Detector Reaches 500mL/Min.
For Heated Gas, It Is Necessary To Install Gas Heating Unit To Achieve Auxiliary Heating Effect.
03 Alarm Light
Alarm Indicator Is Mainly Used To Indicate The Alarm Situation On Site, Which Is Composed Of Alarm Light And Buzzer.
The Alarm Indicator Is Generally A Tower-Type Alarm Light. When The Leakage Alarm Reaches One Alarm Line, The Alarm Light Will Be Yellow And The Buzzer Will Start; When The Leakage Alarm Reaches Two Alarm Lines, The Alarm Light Will Be Red And The Buzzer Will Start.
The Alarm Light Requires 24VDC Power, And The Buzzer Needs To Sound At 80dB Or Higher.
04 Sprinkler Head
Glass Ball Sprinkler Head Of The Glass Ball, Filled With A High Coefficient Of Thermal Expansion Of The Organic Solution, The Fire, The Organic Solution Temperature Increases And Expansion, Until The Glass Body Is Broken, The Seals Lose Support By The Water Flow, So That The Beginning Of The Spray Water.
The Main Role Of The Shower Head In The Gas Cabinet Is To Cool Down The Cylinder To Avoid Secondary Accidents.
05 UV/IR Flame Detector
UV/IR Can Detect Both UV And IR Light Segments In The Flame. When Both UV And IR Light Segments Are Detected, The Detector Sends A Signal To The Control System And Triggers The Linkage.
Since The Flame Must Contain Both UV And IR Light Segments, The UV/IR Detector Can Effectively Avoid False Alarms Caused By Other Separate UV Or IR Sources.
06 Overcurrent Protection Switch (EFS)
The Overcurrent Protection Switch Senses Abnormal Changes In Gas Flow. When The Gas Flow Rate Is Greater Or Less Than The Set Point, The Overcurrent Protection Switch Signals The Control System And Triggers The Linkage. The Set Point Of The Overcurrent Protection Switch Cannot Be Adjusted On Site.
07 Negative Pressure Gauge / Negative Pressure Switch
Negative Pressure Gauge/Negative Pressure Can Measure The Negative Pressure Value Inside The Gas Cabinet To Ensure That The Air Extraction Volume Of The Equipment Meets The Design Requirements And To Improve Operational Safety.
Negative Pressure Switch Can Send A Signal To The Control System When The Negative Pressure Value In The Equipment Is Lower Than The Set Value, And Trigger The Linkage.
08 PLC Control
PLC Control System Has A Strong Reliability, All The Signals Will Be Transmitted To The PLC System, After It Is Processed And Transmitted To The Human-Machine Interface, PLC Can Complete The Signal Transmission And Control Of All Terminal Equipment.
Post time: May-28-2024