Diesel multiple unit smoke exhaust device and diesel multiple unit

Abstract

The invention relates to a diesel multiple unit smoke exhaust device and a diesel multiple unit. The diesel multiple unit smoke exhaust device comprises a diesel engine installed on the lower portionof a train, the diesel engine is connected with a smoke exhaust pipe, a train body channel formed in the mode of vertically penetrating through a cavity of a train body is arranged in the train body,the smoke exhaust pipe is installed in the mode of penetrating through the train body channel from the train bottom to the train top, a gas exhaust port of the smoke exhaust pipe is arranged over a train top plate, and a vertical cut-through circulating clearance is formed between the inner wall of the train body channel and the outer wall of the smoke exhaust pipe. According to the diesel multiple unit smoke exhaust device and the diesel multiple unit, diesel engine tail gas is guided to the train top to be exhausted, the overall structure is simple, installation is convenient, and influencesof the diesel engine tail gas on the station platform environment and the passenger compartment interior air quality during a stop of the multiple unit can be effectively improved; and meanwhile, thecirculating clearance is arranged, the good heat insulating and cooling effects are achieved, and heat influences of the high-temperature smoke exhaust pipe on the train body are eliminated.

Description

technical field [0001] The invention belongs to the technical field of internal combustion multiple trains, and in particular relates to a smoke exhaust device for internal combustion multiple trains. Background technique [0002] In the prior art, an EMU driven by an internal combustion engine is mainly composed of a diesel locomotive + a passenger car compartment, and the traction device, diesel engine and other power devices and power traction devices are jointly installed on the diesel locomotive. This method is currently widely used in countries all over the world. However, this arrangement takes up a lot of space, which is not conducive to reducing the axle load and effectively utilizing the passenger space on the vehicle. For this reason, the prior art provides a scheme of distributing power integration systems such as diesel engines under the vehicle, highly integrating the internal combustion power transmission system, and dispersing and hanging them under the vehic...

AI Technical Summary

Problems solved by technology

[0003] For centralized power internal combustion multiple units, the exhaust pipe of the diesel engine directly passes through the roof panel of the locomotive to exhaust smoke from above the roof, but for decentralized power internal combustion multiple units with diesel engines and other power integration systems installed under the vehicle, there is The disadvantage of exhaust gas from diesel engines being directly discharged to the station platform during the station is that when the vehicle stops, it will have a great impact on the air environment of the platform

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