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LIQUIFIED PETROLEUM GAS. PROPERTIES & CHARACTERISTICS. LIQUIFIED PETROLEUM GAS. MIXTURE OF HYDROCARBONS COMMERCIAL PROPANE COMMERCIAL BUTANE MARKETED IN INDIA AS PER BIS 4576 : 1978 TEST METHODS STORAGE PRESSURE VESSEL REFRIGERATED VESSEL. LIQUIFIED PETROLEUM GAS.

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liquified petroleum gas

LIQUIFIED PETROLEUM GAS

PROPERTIES

&

CHARACTERISTICS

liquified petroleum gas1
LIQUIFIED PETROLEUM GAS
  • MIXTURE OF HYDROCARBONS
    • COMMERCIAL PROPANE
    • COMMERCIAL BUTANE
  • MARKETED IN INDIA AS PER
    • BIS 4576 : 1978
  • TEST METHODS
  • STORAGE
    • PRESSURE VESSEL
    • REFRIGERATED VESSEL
liquified petroleum gas2
LIQUIFIED PETROLEUM GAS
  • TYPICAL COMPOSITION
    • MAINLY C3 & C4
    • MINOR TRACES OF C2 & C5
  • DEPENDS ON SOURCE
    • REFINERY
    • FRACTIONATORS
  • SR GRADE
    • APPROX. NIL UNSATURATED HYDROCARBONS
    • NIL IMPURITIES
liquified petroleum gas properties characteristics
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • COLOUR
    • LIQUID PHASE
    • VAPOUR PHASE
  • ODOUR
    • FAINT SMELL
    • STENCHING
  • DENSITY / SPECIFIC GRAVITY
    • VAPOUR PHASE
    • 1.5 - 2.0 TIMES HEAVY
    • SETTLES AT LOWER LEVELS
liquified petroleum gas properties characteristics1
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • DENSITY / SP. GRAVITY
    • LIQUID PHASE
    • 0.525 TO 0.58 AT 15 DEGREE CENTIGRADE
  • VAPOUR PRESSURE
    • TWO PHASE EQUILIBRIUM
    • 16.87 KGF / SQ. CM. AT 65 DEG. CENT.
    • 120 PSI AT 100 DEGREE FOREN.
  • VOLATILITY
    • RAPID EVAPORATION - 1: 250
liquified petroleum gas properties characteristics2
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • COEFFICIENT OF VOL. EXPANSION
    • 0.00237 PER DEGREE CENTIGRADE RISE
    • 15-20 KGF / SQ.CM RISE IN PRESSURE PER DEG RISE IN TEMP.
    • FILLING RATIO / ULLAGE
  • FLAMMIBILITY
    • LEL: 1.5 % ( ALL SAFETY EQUIPMENT LIKE GMS , EXPLOSIMETER ETC. )
    • HEL : 9%
liquified petroleum gas properties characteristics3
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • COMBUSTION
    • INCREASES VOL. OF PRODUCT AS 50 TIMES AIR IS REQUIRED AND 3-4 TIMES OF OWN VOL. CO2 IS GENERATED APART FROM HEAT
    • RESULTS IN ASPHYXIATION , REQUIRE VENTILATION
    • C. V. : 10900 KCAL / KG.
    • FLAME TEMP WITH AIR - 2000 DEG. CENT.
          • WITH OXYGEN - 2800 DEG. CENT.
  • IGNITION TEMP.
    • AUTO IGNITION TEMP. - 410 - 580 DEG. CENT.
liquified petroleum gas properties characteristics4
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • BOILING POINT
    • TEMP. AT WHICH VAP. PR. EQUALS ATM. PR.
    • (-) 2 TO (-) 42 DEG. CENT.
  • MELTING OR FREEZING POINT
    • TEMP. AT WHICH SOLIDIFICATION OCCURS
    • VERY LOW I.E. LESS THAN (-) 47 DEG. CENT.
  • VISCOSITY
    • VERY LOW IN COMPARISON WITH OTHER PETRO. PRODUCTS - 0.3 CS
    • REQUIRES HIGH ITEGRITY OF STORAGE & HANDLING SYSTEM
liquified petroleum gas properties characteristics5
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • SOLUBILITY
    • LESS SOLUBILITY IN WATER
    • SOLUBLE IN ORGANIC SOLVENTS & ALCOHAL
  • TOXICITY
    • HIGH RELEASES DISPLACES OXYGEN
    • RESULTS IN SUFFOCATION
    • ACTS AS ANAESTHETIC
  • CAUSTIC RESIDUE
    • USED FOR TREATING HYDROGEN SULPHIDE
    • IF REMAINS RESULTS IN CORROSION
    • CAUSTIC PRESENCE SHOULD BE ELIMINATED
liquified petroleum gas properties characteristics6
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • EFFECT OF WATER
    • CORROSION
    • PARTIAL CLOSING OF VALVES
  • EFFECT OF AIR
    • POSSIBILITY OF FORMING EXPLOSIVE MIXTURE
    • AUTO IGNITION
    • PRECAUTIONS TO BE TAKEN DURING COMMISSIONING
    • RETARDS FILLING
liquified petroleum gas properties characteristics7
LIQUIFIED PETROLEUM GASPROPERTIES & CHARACTERISTICS
  • HEALTH HAZARD
    • NON TOXIC
    • ASPHYXIATION DUE TO LACK OF OXYGEN
    • NARCOTIC EFFECT IF INHALED IN LARGE QTY
  • FIRE HAZARD
    • PRODUCT DISCHARGE
    • STATIC ELECTRICITY
    • PYROPHORIC IRON
    • BLEVE
    • UNCONFINED VAPOUR CLOUD EXPLOSION
industrial lpg applications
INDUSTRIAL LPG APPLICATIONS
  • AGRICULTURE: GRAIN DRYING, WEED KILLING, TEA/COFFEE/TOBACCO CURING
  • AUTOMOBILIES: HEAT TREATMENT & PAINT BAKING
  • CERAMIC : CALCINATION, GLOST FIRING, OF SSTONEWARE & PORCELAIN
  • CHEMICALS / DRUGS: HEATING, DRYING, FEED STOCK IN PETROCHEMICAL INDUSTRY
  • ELECTRICAL : BULBS / TUBELIGHTS, FILAMENT ANNEALING
industrial lpg applications1
INDUSTRIAL LPG APPLICATIONS
  • ENGINEERING: METAL MELTING, FORGING, ANNEALING, STRESS RELIEVING, PAINT BAKING, HEAT TREATMENT
  • FOOD : BAKING, BOILING, FRYING, DRYING
  • GLASS : MELTING, HOLDING, BLOWING, POLISHING, STRESS RELIEVING
  • METALLURGICAL : ANNEALING, BILLET HEATING, MELING, DESCALING, STRESS RELIEVING, MOULD / CUPOLA/ LADLE PRE-HEATING
industrial lpg applications2
INDUSTRIAL LPG APPLICATIONS
  • METAL WORKING : CUTTING, HOLD PIERCING, WELDING
  • PACKAGING : SOLDERING
  • TEXTILE : DRYING, SINGING, CALENDERING, STENTERING, PRINT DRYING, DYEING, VELVET PROCESSING
  • MISC. AEROCOL - AS PROPELLANT, BITUMENT MELTING, OIL CLEANING
lpg installation planning
LPG INSTALLATION PLANNING
  • STEP I : DECIDE WHETHER LPG IS RIGHT FUEL

FACTOR : ECONOMICS

AVAILABILITY

APPLICATION SUITABLITY

STEP II : DECIDE WHETHER PACKED OR BULK

FACTOR : CONSUMPTION

AVAILABILITY

ECONOMICS APPLICATION SUITABILITY

lpg installation planning1
LPG INSTALLATION PLANNING
  • STEP III : SIZE OF INSTALLATION

FACTORS: PEAK HOURLY RATE OF CONSUMPTION

DAILY / MONTHLY CONSUMPTION

DISTANCE FROM SUPPY POINT

CYLINDER ROOM / BULK STORAGE

lpg installation planning2
LPG INSTALLATION PLANNING
  • STEP IV : PIPE LINE SIZE / ROUTE

FACTORS : FLOW RATE

PRESSURE DROPS

BRANCHES / POINTS OF CONSUMPTION

EASE OF REPAIRS / TROUBLE SHOOTING

lpg installation planning3
LPG INSTALLATION PLANNING
  • STEP V : CHOOSING PRESSURE REGULATORS

FACTORS: PRESSURE NEEDED FOR BURNERS

RATE OF CONSUMPTION

DISTANCE FROM INSTALLATION TO CONSUMING POINT’

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