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Bypass afterburning composite regenerative turbo supercharging system of boiler

A turbocharging system and boiler technology, applied in lighting and heating equipment, steam generating devices, engine components, etc., can solve the problems of low working condition performance, poor start-up performance, etc., and achieve improved stability, heat balance and steam balance stability , Improve the effect of transient response characteristics

Inactive Publication Date: 2011-09-14
HARBIN ENG UNIV
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a boiler bypass supplementary combustion composite regenerative turbocharger system that overcomes the shortcomings of the prior art in transient performance, low working condition performance and poor start-up performance

Method used

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  • Bypass afterburning composite regenerative turbo supercharging system of boiler
  • Bypass afterburning composite regenerative turbo supercharging system of boiler

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Embodiment approach 1

[0012] combine figure 1 , the boiler bypass supplementary combustion combined heat recovery turbocharged system includes a boiler 14, a compressor 1, a turbine 4, a valve, a bypass pipe 5, a supplementary combustion chamber 8, a gas storage tank 3, a regenerator 12 and a blending pipe 10 The inlet of the compressor 1 is installed with a mixing pipe 10, the outlet of the compressor 1 is connected to the boiler 14 through a heat recovery pipe 12, a regulating valve 11 is installed between the mixing pipe 10 and the heat regenerator 12, and the first branch of the outlet of the turbine 4 is connected to into the atmosphere, the second branch of the turbine 4 is connected to the regenerator 12 through the regulating valve 13, and a bypass pipe 5, a bypass valve 6, a supplementary combustion chamber 8 and a check valve 9 are installed between the compressor 1 and the turbine 4, The gas storage tank 3 is connected with the supplementary combustion chamber 8 through the air release v...

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Abstract

The invention aims to provide a bypass afterburning composite regenerative turbo supercharging system of a boiler. The system comprises a boiler, a gas compressor, a turbine, valves, a bypass pipe, an afterburning chamber, a gas storage tank, a regenerator and a mixing pipe, wherein an inlet of the gas compressor is provided with the mixing pipe, and an outlet of the gas compressor is connected with the boiler through a regenerative pipe; a first adjusting valve is arranged between the mixing pipe and the regenerator; a first branch of an outlet of the turbine is connected with atmosphere; a second branch of the turbine is connected with the regenerator through a second adjusting valve; the bypass pipe, a bypass valve, the afterburning chamber and a check valve are arranged between the gas compressor and the turbine; and the gas storage tank is connected with the afterburning chamber through a gas escape valve. Through the system, the running of a supercharging set is free from limitation of a flue gas and air system and a steam system of the boiler, transient response characteristic of a supercharged boiler is improved, low working condition performance and starting performance of the supercharged boiler are improved, thermal balance and steam balance of a ship power device are more stable, and viability of a ship is improved.

Description

technical field [0001] The invention relates to a supercharging system of a large boiler. Background technique [0002] The steam boiler with turbocharging is the greatest achievement in the field of marine steam power plant. The supercharged boiler replaces the steam turbine blower with large steam consumption with a compressor, effectively utilizes the energy of the flue gas discharged from the boiler, increases the pressure of the inlet air of the boiler furnace, and greatly increases the working efficiency of the boiler. The practical application in recent decades has proved that the marine booster boiler device has relatively good performance in terms of reliability, vitality, economy, weight, size, mobility, and durability. Among them, the improvement of the weight and size index is the most obvious, and the ordinary marine boiler device is far from being comparable to it. The reduction of the power device is conducive to the increase of equipment, speed, maneuverabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F22B33/18F01D17/10
Inventor 冯永明房桐毅赵冬来张国磊王银燕
Owner HARBIN ENG UNIV
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