Chapter 4.1: Boiler Short type questions

Selected questions Chapter 4.1: Boiler Short type questions 1. In the absence of steam flow meter, suggest a method by which steam quantity can be assessed in a boiler. Ans. The feed water flow into the boiler can be used as an effective tool to quantify

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BOILER QUESTIONS AND ANSWERS - Blogger

2013/9/19 · Heavy fuel oil viscosity is defined in the standards as the viscosity at 100 C yet the oils are often described in terms of their nominal 40 or 50 C temperature viscosities. e.g. a G35 oil (35cst at 100 C) is often described as anything from a 350cst to 390cst oil.

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CARRYOVER OF FUEL OIL TO CASCADE TANK AND BOILER

Hotwell Boiler feedwater cascade tank - DieselShip

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Instruction, Operation, and Maintenance Manual Boilers

Standard Models ICS/FB-A 9.5 10 15 20 25 30 Models ICX/FB-F 9.5 10 15 20 30 Unit Size: BHP 9.5 10 15 20 25 30 A. Boiler Height IN 67.5 63.5 69 72.5 74.5 82 MM 1715 1613 1753 1842 1892 2083 B. Boiler Height With Trim* IN 85 80.5 93 97 97 106.5 & Fuel

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A Step-by-Step Guide to Performing Boiler Blowdown - R.F. …

Following proper procedures to remove sludge and maintain a predetermined solids concentration maximizes performance and minimizes repairs Written by Andrew S. Barrieau, Technical Services Manager, Cleaver-Brooks A boiler is blown down to control the amount

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Describe the boiler hot well and cascade tank. Why is it fitted and how would you trace an oil …

The boiler hot well is where the condensate drains return from the condenser. This condensate may be contaminated as some of the drains are from f.o.heating systems or tank heating system. Normally these drains will pass to the hot well via an observation tank

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Industrial boilers - Hovalpartners

• Fuel: natural gas (H) and light fuel oil (diesel) Hoval Steam boilers advantages at a glance: • High efficency rate – up to 90% even without economizer. • Complete systems including boilers, feedwater tanks, deaerator, condensate tanks, blow down tanks, etc

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PROCESS DESIGN OF STEAM BOILERS (PROJECT STANDARDS AND SPECIFICATIONS…

train, safety shut-off valves, fuel pressure and temperature limits, burner starting and sequencing logic and annunciation of trouble signals. Carryover - The moisture and entrained solids forming the film of steam bubbles, a result of foaming in a boiler. Carryover is

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PROCESS DESIGN OF STEAM BOILERS (PROJECT STANDARDS AND SPECIFICATIONS…

train, safety shut-off valves, fuel pressure and temperature limits, burner starting and sequencing logic and annunciation of trouble signals. Carryover - The moisture and entrained solids forming the film of steam bubbles, a result of foaming in a boiler. Carryover is

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What is Boiler Carryover - Causes, Effects and Prevention

What is Boiler Carryover - Causes, Effects and Prevention

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Fuel Oil Systems - Industrial steam

Fuel Oil Systems. Oil Pumping Skids: available to meet the demands of your application and facility. Oil Pumping Skids can range from very simple systems typically found on boiler loop applications to multi-generator systems involving backup features. Custom designed pump skids for heavier oils or other application requirements are available.

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Marine Engineering 360: Questions & Answers (Boiler) Part-3

2016/4/5 · 45. Source of oil contamination: 1. Leaky steam heating coil of heater. 2. Leaky heating line of fuel oil tank. 3. Excess lubrication of machinery 4. Condenser (steam leakage sea water gets entry. 5. If the cascade tank is not covered properly dirt's, debris get entry.

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STEAM BOILER OPERATING AND MAINTENANCE MANUAL

Steam boiler generates steam by burning fuel depending on the assembled fuel burner (or heater device). tank fuel can be gas line or electricity) and open fuel input / output valves. f) If steam will be moving to a certain point with a single line, make directvalve.

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What are the reasons and actions taken after I found oil in a boiler …

If u found oil in boiler gauge glass,it means oil has reached your boiler and you have to open up the boiler for inspections. But sometime when we are in sea and its not possible to open up the boiler so we can take few steps. 1. If possibleChange

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Oil In Cascade Tank (Hot well) Cause And Action

Marine Boilers Oil Contamination – Officer of the Watch

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STEAM BOILER OPERATING AND MAINTENANCE MANUAL

Action. > Reduce load on boiler. > Keep a watch on Observation tank oil level. > With proper PPE Open top cover of Cascade tank. > If less oil, drain it from top or add a chemical that breaks the oil infine particles. > If more oil, manually remove it by absorband pads or remove it by weldon pump from top. > In no case emulsified water to go in

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Boiler Drum Level Control - Chemical Engineering World

2020/11/3 · Boiler drum is where the liquid water and steam are separated. It is very important to control the water level in the boiler drum. The level should not be too high or too low. The water enters the boiler drum after passing through an economizer, for this; usually the water from the bottom of the boiler drum is transported around the furnace and

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Instruction, Operation, and Maintenance Manual Boilers

Boiler Operating Costs • Fuel - Gas, Oil, Coal-•Wreta Influent and Effluent • Regenerants - Salt, Acid, Caustic • Water Treatment Control of Boiler Water Carryover • Effective mechanical steam separation • Proper control of boiler water chemistry What Types

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STEAM BOILER OPERATING AND MAINTENANCE MANUAL

Steam boiler generates steam by burning fuel depending on the assembled fuel burner (or heater device). tank fuel can be gas line or electricity) and open fuel input / output valves. f) If steam will be moving to a certain point with a single line, make directvalve.

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What is the use of Cascade tank in merchanet ship enige room? - …

Steam boiler generates steam by burning fuel depending on the assembled fuel burner (or heater device). tank fuel can be gas line or electricity) and open fuel input / output valves. f) If steam will be moving to a certain point with a single line, make directvalve.

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What is Boiler Carryover - Causes, Effects and Prevention

Oil and other organic contaminants can react with boiler water alkalinity to give crude surface active materials which cause foaming and carryover. Effects Boiler water solids carried over with steam will form deposits in non-return and other control valves.

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Describe the boiler hot well and cascade tank. Why is it fitted and how would you trace an oil …

The boiler hot well is where the condensate drains return from the condenser. This condensate may be contaminated as some of the drains are from f.o.heating systems or tank heating system. Normally these drains will pass to the hot well via an observation tank

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Boiler – Fundamentals and Best Practices

2018/8/17 · CARRYOVER OF FUEL OIL TO CASCADE TANK AND BOILER. In case Heavy oil gets carried over to boiler and cascade tank in a big quantity overnight on a UMS Ship, manual cleaning and chemical cleaning by circulation can be done to clean surfaces after isolating the system and rectifying the cause of oil leak. Has anyone ever experienced the same, and

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Hotwell Boiler feedwater cascade tank - DieselShip

Oil and other organic contaminants can react with boiler water alkalinity to give crude surface active materials which cause foaming and carryover. Effects Boiler water solids carried over with steam will form deposits in non-return and other control valves.

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CARRYOVER OF FUEL OIL TO CASCADE TANK AND BOILER

What is Boiler Carryover - Causes, Effects and Prevention

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Marine Boilers Oil Contamination – Officer of the Watch

Standard Models ICS/FB-A 9.5 10 15 20 25 30 Models ICX/FB-F 9.5 10 15 20 30 Unit Size: BHP 9.5 10 15 20 25 30 A. Boiler Height IN 67.5 63.5 69 72.5 74.5 82 MM 1715 1613 1753 1842 1892 2083 B. Boiler Height With Trim* IN 85 80.5 93 97 97 106.5 & Fuel

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Plant Engineering | Maintaining boiler safety

To prevent this situation, the oil gun sprayer assembly must be free of debris and the atomizing steam or air and fuel oil pressures must be properly adjusted. Improper purge can leave a combustible mixture in a boiler.Many explosions occur during attempts to relight a burner after it …

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Chapter 4.1: Boiler Short type questions

2021/8/31 · Hotwell filling. >> Hotwell Boiler feedwater cascade tank level is automatically maintained using a automatic filling valve which is controlled by float switches. the float switches read the water level and control opening / closing of the valve. A PID controller is used where the steam demand is very high such as Oil tanker and cruise ships.

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Boiler Feed Water System Diagram and Explanation - What is the …

2009/8/10 · Apart from the condenser,the hot well also receives water from the drains of contaminated systems such as fuel oil heating system, oil tank heating, drain cooler, observation tank etc. The water from all these drains passes through a filter or internal baffles in order to …

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