EasyManua.ls Logo

Wartsila 34DF Series User Manual

Wartsila 34DF Series
176 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
WÄRTSILÄ 34DF
PRODUCT GUIDE

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the Wartsila 34DF Series and is the answer not in the manual?

Wartsila 34DF Series Specifications

General IconGeneral
BrandWartsila
Model34DF Series
CategoryEngine
LanguageEnglish

Summary

Introduction

1. Main Data and Outputs

1.1 Technical main data

Engine bore, stroke, displacement, valve count, configuration, rotation, speed, and piston speed.

1.2 Maximum continuous output

Rating table for Wärtsilä 34DF engines and generating sets, with formula for mean effective pressure.

1.3 Derating of output in gas mode

Derating due to methane number, charge air temperature, gas feed pressure, and LHV.

1.4 Reference conditions

Ambient conditions for output specification and fuel consumption, referencing ISO standards.

1.5 Operation in inclined position

Maximum inclination angles for satisfactory engine operation.

1.6 Principal dimensions and weights

Dimensions and weights for main engines (in-line, V) and generating sets.

2. Operating Ranges

2.1 Engine operating range

Limits for engine operation below nominal speed, transient operation, and minimum speed.

2.2 Loading capacity

Importance of controlled load increase for supercharged engines, loading ramps, and overload capabilities.

2.3 Operation at low load and idling

Restrictions and guidelines for low load and idling engine operation.

2.4 Low air temperature

Minimum inlet air temperatures for gas and diesel modes in cold conditions.

3. Technical Data

3.1 Wärtsilä 6L34DF

Technical data for 6-cylinder in-line engine: combustion air, exhaust gas, heat balance, fuel, and lube oil systems.

3.2 Wärtsilä 9L34DF

Technical data for 9-cylinder in-line engine: combustion air, exhaust gas, heat balance, fuel, and lube oil systems.

3.3 Wärtsilä 12V34DF

Technical data for 12-cylinder V-engine: combustion air, exhaust gas, heat balance, fuel, and lube oil systems.

3.4 Wärtsilä 16V34DF

Technical data for 16-cylinder V-engine: combustion air, exhaust gas, heat balance, fuel, and lube oil systems.

4. Description of the Engine

4.1 Definitions

Definitions of in-line and V-engine configurations with diagrams.

4.2 Main components and systems

Overview of engine parts like block, crankshaft, connecting rods, bearings, cylinder liners, pistons, heads, camshaft, fuel, exhaust, lube oil, cooling, turbocharging, automation systems.

4.3 Cross section of the engine

Detailed cross-section diagrams of in-line and V-engines.

4.4 Overhaul intervals and expected life times

Table detailing time between overhauls and expected component lifetimes for different operations.

5. Piping Design, Treatment and Installation

5.1 Pipe dimensions

Guidelines for selecting pipe dimensions considering material, pressure loss, NPSH, and velocity.

5.2 Trace heating

Pipes requiring trace heating (heavy fuel, leak fuel, filter flushing) for heat retention.

5.3 Pressure class

Criteria for selecting piping pressure class based on design, operating pressure, and safety valves.

5.4 Pipe class

Classification of piping systems by DNV rules based on media, pressure, and temperature.

5.7 Cleaning procedures

Guidelines for cleaning piping systems and equipment before installation.

5.8 Flexible pipe connections

Requirements for proper installation of flexible pipe connections to prevent damage.

5.9 Clamping of pipes

Guidelines for fixing pipes to rigid structures to prevent vibration damage.

6. Fuel System

6.1 Acceptable fuel characteristics

Gas fuel specifications including LHV, methane number, and contaminants.

6.1.2 Liquid fuel specification

Specifications for Marine Diesel Fuel (MDF) grades like DMX, DMA, DMZ, and DMB.

6.1.3 Liquid bio fuels

Engine operation on liquid bio fuels and biodiesel specifications.

6.2 Operating principles

Dual fuel engine operation modes (gas, diesel, backup) and mode change principles.

6.3 Fuel gas system

Internal fuel gas system components, sensors, and pipe connections.

6.3.2 External fuel gas system

External fuel gas system design, double wall piping, ventilation, and gas valve unit.

6.4 Fuel oil system

Internal fuel oil system diagrams and components for in-line and V-engines.

6.4.2 External fuel oil system

External fuel oil system design, cleaning, viscosity, and heating requirements.

Fuel tanks

Fuel tank arrangements including bunker, settling, and day tanks.

Fuel treatment

Procedures for fuel treatment, primarily separation using centrifugal separators.

Separator mode of operation

Operating modes for separators based on fuel density and disc type.

Separator feed pumps (1P02)

Design data for separator feed pumps, including capacity and pressure.

Separator pre-heater (1E01)

Design and requirements for separator preheaters to maintain fuel temperature.

Fuel feed system - MDF installations

Example of a fuel oil system for MDF installations with diagrams.

Fuel feed system - HFO installations

Example of HFO fuel oil system with diagrams for multiple engine installations.

Starting and stopping

Procedures for starting and stopping engines on HFO and MDF, including system flushing.

Changeover from HFO to MDF

Sequence and equipment for changing fuel from HFO to MDF, ensuring smooth transfer.

Feeder/booster unit (1N01)

Description of a completely assembled feeder/booster unit and its equipment.

7. Lubricating Oil System

7.1 Lubricating oil requirements

Requirements for engine lubricating oil, including viscosity and Base Number (BN).

7.2 Internal lubricating oil system

Diagrams and components of the internal lubricating oil system for in-line engines.

7.3 External lubricating oil system

Diagrams and components of external lubricating oil systems for wet and dry oil sumps.

7.3.1 Separation system

Requirements for lubricating oil separators, including dimensioning for continuous separation.

7.4 Crankcase ventilation system

Purpose and requirements for crankcase ventilation pipes and condensate traps.

7.5 Flushing instructions

Flushing requirements for piping and equipment built on the engine.

7.5.2 External oil system

Flushing procedures for external oil systems, including tanks and pipes.

7.5.3 Type of flushing oil

Recommendations for flushing oil viscosity and types (engine oil vs. flushing oil).

8. Compressed Air System

8.1 Instrument air quality

Requirements for instrument air quality, including pressure, dew point, oil, and particle content.

8.2 Internal compressed air system

Engine starting system using compressed air, including slow turning and non-return valves.

8.3 External compressed air system

Design of starting air systems, including receivers, compressors, and piping inclinations.

8.3.3 Starting air vessel (3T01)

Dimensioning and requirements for starting air vessels, including condensate drain.

8.3.4 Starting air filter (3F02)

Importance and installation of starting air filters to prevent particle entry.

9. Cooling Water System

9.1 Water quality

Requirements for fresh water quality in the cooling water system, including pH and contaminants.

9.2 Internal cooling water system

Diagrams and components of the internal cooling water systems for in-line engines.

9.2.1 Engine driven circulating pumps

Information on engine-driven HT and LT cooling water pumps and their curves.

9.3 External cooling water system

Diagrams and components of external cooling water systems for in-line engines.

9.3.5 Charge air temperature control valve (4V09)

Control of charge air temperature using an external LT circuit valve.

9.3.11 Expansion tank (4T05)

Function and design data for expansion tanks in cooling systems.

9.3.13 Preheating

Requirement for preheating cooling water, especially for heavy fuel operation.

10. Combustion Air System

10.1 Engine room ventilation

Requirements for engine room ventilation and combustion air supply, including heat emission calculation.

10.2 Combustion air system design

Design considerations for combustion air systems, including fan selection and ducting.

10.2.1 Charge air shut-off valve, "rigsaver" (optional)

Optional charge air shut-off valve for preventing flammable gas ingestion.

10.2.2 Condensation in charge air coolers

Estimation of condensed water in charge air coolers, especially in tropical conditions.

11. Exhaust Gas System

11.1 Internal exhaust gas system

Diagrams and components of the internal exhaust gas system for in-line and V-engines.

11.2 Exhaust gas outlet

Exhaust pipe connections, diameters, and supports for different engine types.

11.3 External exhaust gas system

Design factors and safety aspects for external exhaust gas systems.

11.3.3 Relief devices - rupture discs

Installation of explosion relief devices (rupture discs) in the exhaust system.

11.3.5 Supporting

Proper fixing and support of exhaust pipes to prevent vibration damage.

11.3.8 SCR-unit (11N03)

Installation requirements for SCR units and exhaust gas boilers.

11.3.10 Exhaust gas silencer (5R09)

Typical dimensions and noise attenuation of exhaust gas silencers.

12. Turbocharger Cleaning

12.1 Turbine cleaning system

Description of the turbocharger water cleaning system, including dosing unit and water supply.

12.2 Compressor cleaning system

Cleaning of the turbocharger compressor side using the same equipment as the turbine.

13. Exhaust Emissions

13.1 Dual fuel engine exhaust components

Typical exhaust emissions for dual fuel engines in gas mode, including NOx and CO2 levels.

13.2 Marine exhaust emissions legislation

Overview of IMO regulations (MARPOL Annex VI) for marine exhaust emissions.

13.3 Methods to reduce exhaust emissions

Primary and secondary methods for reducing diesel engine exhaust emissions.

14. Automation System

14.1 UNIC C3

Description of the UNIC C3 automation system, its architecture, and modules.

14.1.3 Engine safety system

Functions and features of the engine safety system, including hardwired logic and redundancy.

14.2 Functions

Overview of engine operating modes and control system functions.

14.2.2 Start

Functions related to engine start-up, including start blocking conditions.

14.2.3 Gas/diesel transfer control

Procedures for transferring between gas and diesel operating modes.

14.2.4 Stop, shutdown and emergency stop

Procedures for stopping, shutting down, and emergency stopping the engine.

14.2.5 Speed control

Electronic speed control for main engines and generating sets.

15. Foundation

15.1 Steel structure design

Design considerations for steel structures supporting the engine and oil tank.

15.2 Mounting of main engines

Methods for mounting main engines, including rigid and resilient options.

15.2.2 Resilient mounting

Principles and arrangements for resilient engine mounting using rubber elements.

15.3 Mounting of generating sets

Mounting procedures for generating sets, including generator feet design.

15.4 Flexible pipe connections

Requirements for flexible pipe connections when resiliently installing engines/sets.

16. Vibration and Noise

16.1 External forces and couples

External forces and couples produced by some cylinder configurations, with tables.

16.2 Torque variations

Table showing torque variations at 100% load for different engines.

16.4 Air borne noise

Measurement of airborne noise using sound power level according to ISO 9614-2.

16.5 Exhaust noise

Typical sound power levels for exhaust noise for W L34DF and W V34DF.

17. Power Transmission

17.1 Flexible coupling

Types of flexible couplings for power transmission and torsional vibration calculations.

17.2 Torque flange

Installation of torque meters using torque flanges for measuring absorbed power.

17.3 Clutch

Use of clutches, especially multiple plate hydraulic clutches, for separating propeller shafts.

17.4 Shaft locking device

Importance and types of shaft locking devices for maintenance and preventing wind milling.

17.5 Power-take-off from the free end

Availability and verification of engine power take-off from the free end.

17.6 Input data for torsional vibration calculations

Required data for torsional vibration calculations, covering installation, reduction gear, propeller, generator, and couplings.

17.7 Turning gear

Description of the engine's electrical driven turning gear for flywheel rotation.

18. Engine Room Layout

18.1 Crankshaft distances

Minimum crankshaft distances for maintenance and operation of in-line and V-engines.

18.2 Space requirements for maintenance

General requirements for working space around the engine and lifting equipment.

18.3 Transportation and storage of spare parts and tools

Guidelines for transporting and storing heavy engine components and spare parts.

18.4 Required deck area for service work

Deck area requirements for engine overhaul activities.

18.1.3 Father-and-son arrangement

General guidelines for father-and-son engine arrangements, considering component access and platforms.

18.1.4 Distance from adjacent intermediate/propeller shaft

Ensuring free space for maintenance around adjacent shafts and covering them.

19. Transport Dimensions and Weights

19.1 Lifting of main engines

Diagrams and dimensions for lifting main engines (in-line and V-engines).

19.2 Lifting of generating sets

Diagrams and dimensions for lifting generating sets.

19.3 Engine components

Dimensions and weights for major engine components like lubricating oil inserts and charge air coolers.

20. Product Guide Attachments

21. ANNEX

21.1 Unit conversion tables

Tables for converting units used in the guide, such as length, pressure, power, and flow.

21.1.1 Prefix

Common prefix multipliers used in scientific and engineering notation.

21.2 Collection of drawing symbols used in drawings

A collection of symbols used in technical drawings with their meanings.

Related product manuals