Engr. Shafiul Bari
Marine Engineering Expert
Shafiul Bari is a seasoned Marine Engineer with extensive experience in ship design, maintenance, and marine propulsion systems. With a deep technical knowledge of ship engineering and a passion for advancing maritime technology, Shafiul shares practical insights and expert advice to help marine professionals and enthusiasts better understand the complexities of ship systems. Through his website, he aims to bridge the gap between technical theory and real-world application, fostering a community of informed and skilled maritime engineers. When not immersed in ship engines and technical manuals, Shafiul enjoys exploring the latest innovations in marine technology and mentoring aspiring marine engineers.
Articles by Engr. Shafiul Bari
CAUSTIC EMBRITTLEMENT
.caustic embrittlement .ce Caustic Embrittlement ( Caustic Stress Corrosion Cracking) is the phenomena in which the material of a boiler becomes brittle due to the accumulation of CAUSTIC SODA (Sodium Hydroxide). Sodium Carbonate is used in softening of water to … Continue reading →
Ruptured Boiler Tube
.boiler tube failure .btf .rbt Causes of boiler tube leakage: Indications of excessive tube leakage Action Prevention While it is recognized that plugging of 10%-15% of the total number of tubes within the tube nest generally reduces operational efficiency … Continue reading →
Causes of High Water Level Alarms
.high water level .boiler high water .bhwl Action for High Water Level Alarm Low Water Level Alarm .boiler low water level .blwl .low water level Likely causes: action for Low Water Level Alarm
Boiler manhole door
.bmd .boiler manhole door .manhole door .boiler door Procedure for opening boiler manhole door: Why manhole door is elliptical Why manhole door is fitted inside The manhole door of any pressure vessel is elliptical in shape and fitted from the … Continue reading →
Why is steam kept inside and oil is kept outside in the steam pressure jet burner?
Answer: To keep the oil heated up as well as prevent heat loss from the steam. Why in the condenser hot medium is outside and in the heater hot medium is inside? Why nox in the steam atomization burner is … Continue reading →
Rotary Cup Burner
.rotary cup burner .rcb As the name suggests, this burner comprises a burner nozzle which is covered by a rapidly rotating cone. The fuel oil is carried on to a nozzle which is centrally located within the rotating cone. As … Continue reading →
What are the important clearances/inspection to be carried out on a pressure-jet type burner?
During overhaul, 4. The ignition electrodes’ tips should not be worn, carbonised or pitted. 5. The ceramic isolator body in the ignition electrodes should not be cracked or broken to prevent current leakage 6. The air swirler vanes should not … Continue reading →
Boiler survey
.boiler survey .boiler inspection Boiler survey is Conducted every 2.5 years, twice in 5 years Planning Shutting down for survey Prepare for entry Boiler inspection I. Foundation: II. Furnace: III. Shell, tube plates and tubes: IV. safety v/v: V. All … Continue reading →
Safety Valve Inspection / Survey
.safety valve inspection .bsvi .safety valve survey .bsvs Valve & Seat Spindle Spring Valve Body Drain Pipe – Ensure drainpipe is clear by blowing with air What should be the capacity of each safety valve? (For guidance) Answer: Each safety … Continue reading →
Boiler
.boiler Safety Valve Sketch, setting and Testing. Label all parts and materials Safety v/v Setting .bsvs .boiler safety valve setting boiler safety valve SOLAS requirement .bsvr .boiler safety valve .svr .boiler safety valve regulation ≠ Π/4 x D2 x … Continue reading →