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By Dailyn Nivero

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PROCESS:y 1.fuel

y 2.pulverizing

y 3.combustion and steam(hot drysteam with temp.About1000F)generatesthermal energy

y 4.steam turbine transformsto mechanical energy

y 5. generator creates 334000 amps.

y 6.transformer

y 7.electricity

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FUEL SOURCE(COAL,

U, Ra etc)

PULVERIZER/REACTOR

COMBUSTION/STEAMTURBINE/GENERATOR

COMBUSTION/STEAM

CONDENSERTRANSFORMER

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EQUIPMENTS:1. Pulverizer

2. Nuclear Reactor

3. Boiler4. Steam Turbine

5. Condenser

6. Transformer

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Pulverizer

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Nuclear Reactor

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Boiler

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Steam Turbine

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HAZARDS:A. Accident Hazards

B. Physical Hazards

C. Chemical Hazards

D. Biological HazardsErgonomics/Psychosocial and OrganizationalFactors

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ACCIDENT HAZARDS1. Fallsfrom ladders,stairs and elevated platforms

2. Slips and falls on the level3. Struck byfalling objects

4. Mechanical accidents

5. Burns

6. Electrocution or electricshocks

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ACCIDENT HAZARDS7. Poisoning bycarbon monoxide or by other

combustionproducts in the air

8. Asphyxia9. penetrating burns and severe dermatitis

10. permanentcorneal lesions

11. Punctures,cuts and amputations

12. Fires and explosions

13. Bursting ofboilers

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PHYSICALHAZARDS1. Excessive continuous noise levels

2. Heatstress

3. radioactive exposure

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CHEMICALHAZARDS1. Irritation ofeyes, respiratorytract and skin

2. Irritation ofthe upper respiratorytract and coughing

3. Pneumoconiosis

4. Dermatomes

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BIOLOGICALHAZARDS1. Developmentoffungi and growth ofbacteria in the

boiler room.

2. Presence ofrodents and insects may result in bitesand infectious diseases.

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ERGONOMICS/PSYCHOSOCIALAND

ORGANIZATIONAL FACTORS1. General tiredness

2. Cumulative trauma disorders

3. Backpains and other musculoskeletal problems(including lesions ofintervertebral discs)

4. Psychological stress

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PREVENTIVE MEASURES1. Wear safetyshoeswith non-skid soles

2. Periodicallycheck and adjust burners operation topreventcarbon monoxide generation

3. Install effective exhaust ventilation to prevent aircontamination; add local exhaust ventilation if

necessary

4. Wear long-sleeve shirts and protect hands withchemical-resistant gloves; ifimpractical,use a

barrier cream

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PREVENTIVE MEASURES5. Wear appropriate eye protection; consult a safety

supervisor or a supplier

6. Arrange periodic inspection ofboilers,to detectfailure ofcomponents, metal cracking, etc.

7. Wear hearing protection appropriate for the noiselevels and type ofnoise - consultthe supplier or anexpert

8. Replace hydrazine with less-hazardoussubstitutes

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PREVENTIVE MEASURES9. Wear respiratoryprotection during maintenance or

other work in which dust may be released into the

atmosphere

10. Learn and use safe lifting and moving techniquesforheavy or awkward loads; use mechanical aidsto

assist in lifting

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The End

Thanks!~