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Large TWO-STROKE INTERNAL COMBUSTION ENGINE AND EXHAUST GAS RECEIVER FOR LARGE TWO-STROKE INTERNAL COMBUSTION ENGINE

An exhaust receiver and exhaust outlet technology, applied in exhaust treatment, exhaust devices, combustion engines, etc., can solve problems such as bracket cooling, and achieve the effects of simplifying insulation, uniform temperature, and avoiding size

Active Publication Date: 2015-07-08
曼能解决方案(曼能解决方案德国股份公司)分公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This causes the brackets on the outside of the receiver to cool down drastically

Method used

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  • Large TWO-STROKE INTERNAL COMBUSTION ENGINE AND EXHAUST GAS RECEIVER FOR LARGE TWO-STROKE INTERNAL COMBUSTION ENGINE
  • Large TWO-STROKE INTERNAL COMBUSTION ENGINE AND EXHAUST GAS RECEIVER FOR LARGE TWO-STROKE INTERNAL COMBUSTION ENGINE
  • Large TWO-STROKE INTERNAL COMBUSTION ENGINE AND EXHAUST GAS RECEIVER FOR LARGE TWO-STROKE INTERNAL COMBUSTION ENGINE

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0037] figure 1 and figure 2 An example embodiment of a large two-stroke internal combustion engine (diesel engine) with a main structure 1 is shown in side and end views respectively. The engine in this embodiment is a single-flow low-speed two-stroke crosshead diesel engine with crossheads, which may be a propulsion system in a ship or an engine in a power plant. These engines typically have 4 up to 14 in-line cylinders. The engine is built from a base plate 2 with main bearings for the crankshaft (only the flywheel 3 attached to the end of the crankshaft is visible). The bottom plate 2 can be made in one piece or divided into parts of appropriate size according to the production equipment.

[0038] A welded design A-frame box 4 is mounted on the base plate 2 . On the discharge side the frame box 4 is provided with relief valves for each cylinder, while on the camshaft side the frame box 4 is provided with large hinged doors for each cylinder. A crosshead guide plane (...

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Abstract

An elongated, essentially cylindrical exhaust gas receiver (16) with a metal shell (33) and a hollow interior (20. The exhaust gas receiver (16) has a plurality of exhaust gas inlets (15) and one or more exhaust gas outlets (19), a plurality of support points for connecting the exhaust gas receiver to a plurality of secondary supports (21) that are flexible in the longitudinal direction of the exhaust gas receiver (16) and stiff in the transverse direction of the exhaust gas receiver (16) and at least one bracket including a longitudinally and radially extending main metal plate (25) for connecting the exhaust gas receiver (16) to a main support (22) that is stiff in the longitudinal direction of the exhaust gas receiver (16). At least a portion (26) of the main metal plate (25) projects into the hollow interior (20). A large two-stroke diesel engine with a engine main structure (1) and an exhaust gas receiver (16) as described here above.

Description

technical field [0001] The present invention relates to large two-stroke internal combustion engines, and exhaust receivers for large two-stroke internal combustion engines. Background technique [0002] The exhaust receiver of a large two-stroke combustion (diesel) engine is a highly loaded component that receives hot (approximately 450° C. inside the exhaust receiver) exhaust gases from a single cylinder at pressures up to 4 bar. [0003] Due to the large size of the exhaust receiver (which can be significantly more than 10 m long and have a diameter of up to about 2.2 m) and high operating temperature, the thermal expansion of the exhaust receiver is very significant, and larger engines have the potential to An exhaust receiver divided into two or more shell sections by bellows to absorb dimensional changes caused by thermal expansion. The complete exhaust receptacle and any part belonging thereto is covered with a layer of insulating material so that the temperature of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N13/08F01N13/10F02B3/06F02B75/02
CPCF01N13/08F01N13/105F01N13/14F01N13/1805F01N2260/10F01N2260/20F01N2340/04F01N2340/06F01N2490/18F01N2510/02
Inventor 乔根·勒夫斯肖尔·拉斯马森亨里克·巴尔德尔·汉森
Owner 曼能解决方案(曼能解决方案德国股份公司)分公司
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