硫化氢防护与安全培训.ppt

1、Hydrogen Sulphide(H2S)Awareness,DANGERHYDROGEN SULPHIDE GAS(H2S)POISONOUS GASPOTENTIALLY HARMFUL OR FATAL IF INHALEDPERSONAL ALARM and BREATHING APPARATUS Sets Required,Oil and Gas Field with H2S Hazard,Training Content!,What is H2S Sources of H2S at the Oil and Gas FieldProperties of H2SHazards of

2、H2S,Symptoms of ExposureMonitoring and Detection systemRespiratory ProtectionH2S Emergencies.Your action,.Wind Direction and How to escape from hazards zoneWritten Test.20 questions!,Course Objectives,At the end of this course,you will be able to:Recognize the presence of H2S.Protect your self from

3、the effects of H2S.Understand the system of Notification,when there is a release.,Common Areas of H2S,Drilling Operation,Well Testing,Process plant,Properties of H2S!,Deadly,Extremely TOXIC gasOdour of rotten eggs,BUT only in LOW ConcentrationsColorless Heavier than Air,.tend to settle in low laying

4、 areasReadily dispersed by wind movement or air currentsHighly corrosive to certain metalsHighly Soluble in Water,Oil and CondensateHighly Flammable and forms explosive mixtures with airAuto ignition Temperature is.260 CExplosive Limits are:LEL4,3%UEL.46%,REMEMBERDo NOT depend on the sense of smell

5、to detect H2S,*,Flammable/Explosive Range(LEL and UEL),0,4,3%,46%,75,100%,Percentage of Gas in Air mixture,Fire or Explosion,LEL,UEL,Mixture is Too Rich,Too Weak,%LEL,0,100,PPM!,Percentage%PPM.Mg/m3100%1,000,000 ppm.1,420,000 mg/m3 1%10,000 ppm.14,200 mg/m30.01%100 ppm.142 mg/m30.0001%1 ppm.1,4 mg/m

6、3,10ppm=0,001%,PPMOne part per million(ppm)would beone teaspoonful in approximately 25 drums,How does H2S affects individuals?,Level of Concentrations Duration Frequency Individual sensitivity,TLV-5ppmSTEL-10ppm,Its Possible for a Field to Have Levels of 40,000ppm-4%or Higher!,Toxic Effects of H2S!,

7、How To Monitor for H2S?,Fixed,Portable,Personal,Gas Alert Clip,Test required,Visual Alarm,Test Button,Audio Alarm,Gas Sensor,Remaining Battery Time,Vibration Alarm,Gas Alert Clip,Test Not required,Rapid Air Saver,Unit XXXX,Unit YYYY,Drager Escape Sets,Drager Saver CF 10/15,Activation lanyard with pi

8、n,Hood,Cylinder,Automatic Valve,Manometer,Escape BA bag,Seal,Pressure200bar.,Good Condition,Pre-check is an Obligation!,Donning Procedure!,Pull up-right,1.,Put hood on as demonstrated,2.,2.1,3.,Remember!,Whatever you arre doing always take BA set with you,If your H2S monitor will give an alarm!,1.ST

9、OP Breathing2.Don a Breathing apparatus3.Be aware of wind direction and escape Cross Wind(90)then Upwind to the nearest safe Muster Point.4.DO NOT take off your BA until you arrive at muster point.REMEMBERDO NOT PANIC!,Wind Direction!,REMEMBER H2S KILLS!,Wind Direction!,REMEMBER H2S KILLS!,Escape an

10、d Wind Direction!Know The Wind Direction and Muster Points,MP,MP,MP,MP,Wind,H2S,Escape and Wind Direction!,H2S,Wind,MP,MP,MP,MP,Escape and Wind Direction!,H2S,Wind,MP,MP,MP,MP,.,REMEMBER:50%OF THE PEOPLE KILLED IN H2S INCIDENTS WERE TRYING TO RESCUE OTHERS.Sad isnt it?Totally Preventable!,GAS ALARM

11、Stop Work Prepare Escape Set Switch off any equipment Proceed to Muster Point Listen for Announcements Follow Instructions,(Escape to cancel),This is what you should do to ensure your Safety.,NO SMOKING,NO MATCHES OR LIGHTERS,NO NAKED FLAMES,NO MOBILE PHONES OR PAGERS,This is what you should NOT tak

12、e or do in any live plant.,No video equipment&cameras without permission&PTW,This is one of the main Hazards of a live production oil and gas plant,Toxic Gas Gas Releases can Kill Present in large quantities,YOU MUST CARRY YOUR ESCAPE SET AND PERSONAL MONITOR,YOU MUST BE TRAINED AND CARRY YOUR H2S CARD,Observe wind direction windsocks/flare Plan escape route cross wind and up wind,HYDROGEN SULPHIDE-H2S,