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Gas turbine turbocharger suitable for coke oven gas internal combustion engine

A technology of turbocharger and coke oven gas, which is applied in the field of turbocharger and can solve the problem of inapplicability of gas turbine turbocharger

Inactive Publication Date: 2013-12-04
TIANJIN JL RAILWAY TRANSPORT EQUIP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Since the coke oven (tail) gas contains hydrogen and sulfur dioxide, and has a high temperature of 100 degrees, the turbocharger for diesel internal combustion engines is not suitable

Method used

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  • Gas turbine turbocharger suitable for coke oven gas internal combustion engine

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Embodiment Construction

[0023] A gas turbine turbocharger suitable for coke oven gas internal combustion engines, consisting of an axial flow exhaust gas turbine and a centrifugal compressor, the two are coaxially supported by built-in floating bearings and thrust bearings supplied with external oil at 20,000 to 50,000rpm High-speed rotation, the high-temperature gas discharged from the internal combustion engine of the turbine enters the nozzle ring through the intake shell and expands to generate high-speed airflow to drive the turbine to rotate at high speed, driving the compressor impeller to rotate at high speed, fresh air enters the impeller through the silencer and rotates at high speed to obtain high-speed blade diffuser The diffuser merges into the volute to form high-pressure air into the intake port of the internal combustion engine, forming fresh air charge and scavenging air, increasing the fresh air charge, increasing the charge of coke oven gas, and increasing the output power of the int...

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Abstract

A gas turbine turbocharger suitable for a coke oven gas internal combustion engine is composed of an axial-flow turbine and a centrifugal-flow compressor, wherein the axial-flow turbine and the centrifugal-flow compressor are coaxial. The diameter of the turbine is phi 248mm, and the diameter of an impeller of the centrifugal-flow compressor is phi 258mm. The outer diameter of a thrust bearing work face is phi 72mm, and the inner hole diameter of the thrust bearing work face is phi 29mm. The work rotation speed of the gas turbine turbocharger is 32400 turns per minute, the pressure ratio is 3.25, the flow is 2.2 kilograms per second, and the allowable highest temperature of an inlet of the turbine is 690 DEG C. A gas inlet shell of the turbocharger is made of Chalco nodular cast iron; a gas outlet shell of the turbocharger is made of corrosion-resistant alloy cast iron; blades of the turbine are made of corrosion-resistant high-temperature alloy, and the surfaces of the blades undergo shot blasting processing and are provided with aluminide coatings; a nozzle ring is made of corrosion-resistant heat-resistant steel. The gas turbine turbocharger is used for being matched with the 16V 240-type coke oven (tail) gas internal combustion engine, and the rated power reaches 2000kW. Performance requirements and high-temperature-resistance and corrosion-resistance requirements of the coke oven gas internal combustion engine are met, and the gas turbine turbocharger can stably operate in a combined mode for a long time.

Description

technical field [0001] The invention belongs to a turbocharger for an internal combustion engine for power generation, in particular to a turbocharger suitable for a coke oven gas internal combustion engine. Background technique [0002] Using high-power internal combustion engine generator sets for coke oven (tail) gas power generation scheme is one of the more mature coke oven (tail) gas comprehensive utilization methods at present. It has the advantages of small initial investment, short station construction period, power range depends on gas source and relocation The convenient feature is very suitable for scattered small and medium coking plants, which is conducive to environmental protection, turning waste into treasure, and reducing exhaust gas pollution and atmospheric temperature rise caused by exhaust gas combustion. [0003] The coke oven (tail) gas internal combustion engine generator set uses coke oven (tail) gas as fuel, adopts industrial computer to control th...

Claims

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Application Information

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IPC IPC(8): F02B37/00F01D25/24F01D5/28
CPCY02T10/144Y02T10/12
Inventor 问增杰尚玉林赵国明王子成
Owner TIANJIN JL RAILWAY TRANSPORT EQUIP
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