BOILER

PROBLEM TO BE SOLVED: To improve energy efficiency in a combustion burner.SOLUTION: A boiler is provided with: a furnace 11; a pulverizing dryer 31 that pulverizes biomass (wet fuel) and dries it with heated air; a cyclone 33 that separates pulverized biomass and heated air discharged from the pulve...

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1. Verfasser: TAKASHIMA RYUHEI
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description PROBLEM TO BE SOLVED: To improve energy efficiency in a combustion burner.SOLUTION: A boiler is provided with: a furnace 11; a pulverizing dryer 31 that pulverizes biomass (wet fuel) and dries it with heated air; a cyclone 33 that separates pulverized biomass and heated air discharged from the pulverizing dryer 31; a first combustion burner 21 that blows a first pulverized fuel-air mixture made by mixing pulverized biomass separated by the cyclone 33 and combustion air into the furnace 11; an additional air nozzle 26 that blows heated air separated by the cyclone 33 as additional air into the furnace 11; and a heated gas supply device 60 that supplies heated gas that exchanged heat with exhaust gas discharged from the furnace 11 to the pulverizing dryer 31.SELECTED DRAWING: Figure 1 【課題】燃焼バーナにおいて、エネルギ効率の向上を図る。【解決手段】火炉11と、バイオマス(湿潤燃料)を粉砕すると共に加熱空気により乾燥させる粉砕乾燥機31と、粉砕乾燥機31から排出された微粉バイオマスと加熱空気とを分離するサイクロン33と、サイクロン33により分離された微粉バイオマスと燃焼用空気とを混合した第1微粉燃料混合気を火炉11内に向けて吹き込む第1燃焼バーナ21と、サイクロン33により分離された加熱空気を追加空気として火炉11内に向けて吹き込む追加空気ノズル26と、火炉11から排出された排ガスと熱交換した加熱空気を粉砕乾燥機31に供給する加熱ガス供給装置60とを設ける。【選択図】図1
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a first combustion burner 21 that blows a first pulverized fuel-air mixture made by mixing pulverized biomass separated by the cyclone 33 and combustion air into the furnace 11; an additional air nozzle 26 that blows heated air separated by the cyclone 33 as additional air into the furnace 11; and a heated gas supply device 60 that supplies heated gas that exchanged heat with exhaust gas discharged from the furnace 11 to the pulverizing dryer 31.SELECTED DRAWING: Figure 1 【課題】燃焼バーナにおいて、エネルギ効率の向上を図る。【解決手段】火炉11と、バイオマス(湿潤燃料)を粉砕すると共に加熱空気により乾燥させる粉砕乾燥機31と、粉砕乾燥機31から排出された微粉バイオマスと加熱空気とを分離するサイクロン33と、サイクロン33により分離された微粉バイオマスと燃焼用空気とを混合した第1微粉燃料混合気を火炉11内に向けて吹き込む第1燃焼バーナ21と、サイクロン33により分離された加熱空気を追加空気として火炉11内に向けて吹き込む追加空気ノズル26と、火炉11から排出された排ガスと熱交換した加熱空気を粉砕乾燥機31に供給する加熱ガス供給装置60とを設ける。【選択図】図1</description><language>eng ; jpn</language><subject>AIR ; BLASTING ; COMBUSTION APPARATUS ; COMBUSTION PROCESSES ; FEEDING FUEL TO COMBUSTION APPARATUS ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN ; 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a cyclone 33 that separates pulverized biomass and heated air discharged from the pulverizing dryer 31; a first combustion burner 21 that blows a first pulverized fuel-air mixture made by mixing pulverized biomass separated by the cyclone 33 and combustion air into the furnace 11; an additional air nozzle 26 that blows heated air separated by the cyclone 33 as additional air into the furnace 11; and a heated gas supply device 60 that supplies heated gas that exchanged heat with exhaust gas discharged from the furnace 11 to the pulverizing dryer 31.SELECTED DRAWING: Figure 1 【課題】燃焼バーナにおいて、エネルギ効率の向上を図る。【解決手段】火炉11と、バイオマス(湿潤燃料)を粉砕すると共に加熱空気により乾燥させる粉砕乾燥機31と、粉砕乾燥機31から排出された微粉バイオマスと加熱空気とを分離するサイクロン33と、サイクロン33により分離された微粉バイオマスと燃焼用空気とを混合した第1微粉燃料混合気を火炉11内に向けて吹き込む第1燃焼バーナ21と、サイクロン33により分離された加熱空気を追加空気として火炉11内に向けて吹き込む追加空気ノズル26と、火炉11から排出された排ガスと熱交換した加熱空気を粉砕乾燥機31に供給する加熱ガス供給装置60とを設ける。【選択図】図1</abstract><oa>free_for_read</oa></addata></record>
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subjects AIR
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
FEEDING FUEL TO COMBUSTION APPARATUS
HEATING
LIGHTING
MECHANICAL ENGINEERING
METHODSOR APPARATUS FOR COMBUSTION USING FLUID FUELOR SOLID FUEL SUSPENDED IN
WEAPONS
title BOILER
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