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Two first-of-their-kind LNG-diesel dual fuel tugboats announced last year will be deployed in the coming weeks in the Gaolan Port in Zhuhai, near Hong Kong. Each boat has two 25-cubic-meter (6,600 gallon) liquefied natural gas fuel tanks, says CSSC, the China State Shipbuilding Corp. The first is to enter service by the end of August and the second by the end of the following month, says Jack Ding with Wartsila in Beijing.
Wartsila also said that the tow boats for Zhuhai are the first in a planned series of LNG tugboats. Posted in LNG, Marine and tagged China National Offshore Oil Corp, China State Shipbuilding Corp, CNOOC, CNOOC Zhuhai Shipping Services, CSSC, Wartsila. The new Wartsila NOx Reducer will be fitted to two new fishing vessels under construction at the Celiktrans yard in Turkey.
The Wartsila NOx Reducer (NOR), an exhaust after-treatment system for removing harmful nitrogen oxide emissions from medium speed marine engines, has been upgraded with a new and improved design.
The Wartsila NOR enables vessels to meet the International Maritime Organisation’s (IMO) Tier III NOx emission regulations, thus allowing them to operate freely within the current and planned Emission Control Areas (ECAs) designated by the IMO.
The Wartsila NOR system is based on selective catalytic reduction (SCR) technology, and can be operated together with other exhaust gas treatment systems, such as SOx scrubbers systems. This latest innovation in emissions abatement technology offers ship owners a welcome opportunity to optimize operations, while at the same time meeting the need for environmental sustainability. The Wartsila-Sulzer RTA96-C turbocharged two-stroke diesel engine is the most powerful and most efficient prime-mover in the world today. Once you have plenty of fuel running to through your system it's time to use all that extra exhaust that is being created to turn a bigger turbo.
Okay, challenge: Get it to turn at 30,000 rpm, put it on a Motorcycle frame, and race the hell out of it! Correction: Diesel engines cannot run on petrol or jet fuel - car diesel engines are routinely destroyed when this mistake is made.
I work on these type of engines, although the one I worked on was only an 8 cylinder, and you don't have to switch over from HFO to Diesel oil to shut down and start up, although you do have to switch over fuel types when entering special areas, where pollution limits are less. Manufactured by a Finnish company known as Wartsila, this engine is capable of producing 80080 KW power, enough to charge an entire suburban town. The tugs were built by CSSC in Huangpu for the state-owned China National Offshore Oil Corp. They will operate along China’s coastline, and will be fueled from the CNOOC’s own bunkering terminals. The upgraded version features a flexible and more compact design to enable easier and faster onboard installation. It not only enables compliance with existing and future legislation, but maximises the overall environmental performance and profile of the vessel, giving the change to profit from possible subsidising bodies supportive emission reduction schemes.

Furthermore, Wartsila can optimise and deliver the engine and SCR as a fully tested, single package together with a Statement of Compliance for the IMO’s Tier III regulations. The NOR reactor, which includes a soot blowing system and the catalyst elements, is available in a variety of shapes and sizes, and can be orientated either vertically or horizontally so as to optimise the use of available installation space.
Today, new and more stringent legislation concerning NOx emissions is a global phenomenon, and governing bodies like the International Maritime Organization (IMO) are introducing stricter regulations. The Aioi Works of Japan 's Diesel United, Ltd built the first engines and is where some of these pictures were taken.. What we call Diesel fuel is only what's commonly rated for consumer cars with diesel engines, but diesel engines have been built to run on everything from propane to coal dust, making them far more flexible than spark-fired internal combustion engines. This is a diesel engine that is designed to run on much less refined oil than your average car. When it comes to upgrading your turbo you have several options including, ball bearing, stainless steel, waste gated or non waste gated, variable vein or not. CNOOC and the Port of Zhuhai have formed CNOOC Zhuhai Shipping Services to operate the LNG tugs.
It is also compatible for both marine diesel fuel (MDF) and heavy fuel oil (HFO) engine operation. This decision is based on the adoption date of a new NECA or, alternatively, agreement regarding later implementation dates during the designation process. Additional regulations in the shape of fees, taxes or incentive programmes, are being implemented by various parties, including individual countries that have introduced fairway dues, an NOx tax, or NOx fund initiatives. So any compression-ignition engine no matter what fuel is being used will always be referred to as a Diesel engine because he patented the design in the late 1800s.
On the other end of the spectrum, jet fuel is super-refined oil that a diesel engine can also run on. Diesel performance - Picking out just the right turbo charger comes down to your application and personal preference so we won't go into great detail on that topic but do plenty of searching or come to our site for more information. Fresh air is drawn in through the turbo chargers, and then sent through an intercooler, and into the scavenge space, where from it can enter the cylinders as the exhaust valve opens purging the cylinder of combustion gases, and filling it with a new charge of air.
We have serious contacts with almost biggest Engine manufacturers in Turkey that are about 20 manufacturers.
It is a two-stroke turbo charges low speed engine.Are you wondering where exactly will this huge intimidating machine be used? The order was received during the fourth quarter of 2013 and Wartsila’s equipment is scheduled for delivery in the second and fourth quarter of 2014. The auxiliary units have also been improved; for example, centralised units for multiple installations with built-in redundancy are now available. The big names you will see throughout the industry include, Industrial Injection, HTT, Turbonetics, ATS and many more.

Just for your information, these massive trading ships weigh thousands of tons and go at decent speeds of more than 35 knots. The design is similar to the RTA96C engine however, the traditional camshaft, hydraulic actuators and pumps have been replaced by the all new state-of-the-art rail technology. It is also environment friendly and does not release excessive amounts of harmful GHG emissions. Even at its most efficient power setting, the big 14 consumes 1,660 gallons of heavy fuel oil per hour. The engine is highly efficient and is considered the largest reciprocating engine in the world.The Wartsila RT-flex96C is undoubtedly a wonder of modern engineering.
The huge machine is capable of powering any size of ships and its 14 built-in cylinders cater for huge amount of power demands. A long piston rod then connects the crosshead to the piston.I assume this is done so the the sideways forces produced by the connecting rod are absorbed by the crosshead and not by the piston.
Those sideways forces are what makes the cylinders in an auto engine get oval-shaped over time. And when we say huge, we are talking about ships weighing 180,000 tons each and 1300 feet or more in length.
Crank rod journals are 38 in diameter and 16 wide:The crank sitting in the block (also known as a "gondola-style" bedplate).
The Wartsila RT-flex96C diesel engine produces 109,000 horsepower of energy that runs such ships. Currently, there are about 25 of these huge engines out there in our oceans and 86 more are coming soon. The large square plate at the bottom is where the whole assembly attaches to the crosshead:The "spikes" on the piston rods are hollow tubes that go into the holes you can see on the bottom of the pistons and inject oil into the inside of the piston which keeps the top of the piston from overheating. Reply heavyequipmentmechanic on December 21, 2014 02:14:13 an engine thats weighs 23000 tons and only produces 109000 horsepower?
Some high-performance auto engines have a similar feature where an oil squirter nozzle squirts oil onto the bottom of the piston.The cylinder deck (10 cylinder version). My guess is that at 109000 HP, there might be reliability or MTBF issues with the gas turbine. Required fields are marked *CommentName * Email * Website Notify me of follow-up comments by email.

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