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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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