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WO2017014299A1 - Système de production d'énergie électrique alimenté par biomasse utilisant du bambou en tant que combustible principal, et procédé de combustion de bambou dans ledit système de production d'énergie électrique alimenté par biomasse - Google Patents

Système de production d'énergie électrique alimenté par biomasse utilisant du bambou en tant que combustible principal, et procédé de combustion de bambou dans ledit système de production d'énergie électrique alimenté par biomasse Download PDF

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Publication number
WO2017014299A1
WO2017014299A1 PCT/JP2016/071569 JP2016071569W WO2017014299A1 WO 2017014299 A1 WO2017014299 A1 WO 2017014299A1 JP 2016071569 W JP2016071569 W JP 2016071569W WO 2017014299 A1 WO2017014299 A1 WO 2017014299A1
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WO
WIPO (PCT)
Prior art keywords
bamboo
power generation
fuel
generation system
combustion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/071569
Other languages
English (en)
Japanese (ja)
Inventor
耕治 藤崎
ランビオン・アクセル
靖司 大東
義浩 大西
健二 吉原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujisaki Electric Co Ltd
Original Assignee
Fujisaki Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujisaki Electric Co Ltd filed Critical Fujisaki Electric Co Ltd
Priority to BR112017027793A priority Critical patent/BR112017027793A2/pt
Priority to JP2017529945A priority patent/JPWO2017014299A1/ja
Publication of WO2017014299A1 publication Critical patent/WO2017014299A1/fr
Priority to PH12017502247A priority patent/PH12017502247A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
    • F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste

Definitions

  • the present invention relates to a biomass power generation system that generates power by burning bamboo as a main fuel, and a method for burning bamboo in the biomass power generation system.
  • Biomass power generation systems using woody biomass such as firewood and waste biomass such as municipal waste, waste materials, and plastics as fuels are used (see, for example, Patent Document 1).
  • Patent Document 2 a recycling system that focuses on bamboo materials left in bamboo forests as woody biomass
  • Patent Document 2 an effective utilization method of woody biomass with a certain ratio of adding bamboo crushed and treated
  • Patent Document 2 3 bamboo, which is woody biomass, is crushed into chips with a bamboo crusher, and this chip-shaped bamboo, coal, limestone, water, etc. are mixed and stirred with a kneader to make a paste-like fuel
  • Patent Document 4 a fluidized bed boiler
  • bamboo forest that has been neglected in Japan is said to be 160,000 ha, and because it is imported cheaply from abroad as food, it is effectively used in biomass power generation systems using bamboo as the main fuel. If possible, it can be a promising solution to energy problems.
  • An object of the present invention is to provide a biomass power generation system that can effectively use bamboo as a main fuel and a method for burning bamboo in the biomass power generation system.
  • the present invention provides: A combustion furnace into which primary air for efficiently burning fuel on the grate, and unburned matter generated on the grate, and secondary air for secondary combustion of unburned gas; A water pipe for cooling the furnace wall of the combustion furnace to lower the temperature; In a biomass power generation system equipped with Reducing the flow rate of the primary air, Cooling the furnace wall of the combustion furnace with cooling water flowing through the water pipe, bamboo material as the fuel is burned.
  • bamboo According to this biomass power generation system, slag adhesion to the furnace wall when bamboo is burned can be suppressed. Therefore, bamboo can be used as the main fuel.
  • the present invention also provides: A combustion furnace into which primary air for efficiently burning fuel on the grate, and unburned matter generated on the grate, and secondary air for secondary combustion of unburned gas; A water pipe for cooling the furnace wall of the combustion furnace to lower the temperature; A combustion method in a biomass power generation system comprising: Using bamboo as the fuel, Reducing the flow rate of the primary air, Cooling the furnace wall of the combustion furnace with cooling water flowing through the water pipe, The bamboo material is burned.
  • bamboo can be used as the main fuel.
  • bamboo can be effectively used as the main fuel.
  • FIGS. 1 to 5 a preferred embodiment of a seat suspension structure according to the present invention will be described in detail with reference to the drawings (see FIGS. 1 to 5).
  • FIG. 1 is a schematic diagram showing the configuration of the biomass power generation system in an easy-to-understand manner
  • Fig. 2 is a diagram showing an example of the overall configuration of the biomass power generation system
  • Fig. 3 is a diagram showing the connections between the components in the biomass power generation system and the flow of fuel, water, etc.
  • FIG. 4 is a diagram showing a configuration example of a fuel supply device (multi-screw feeder)
  • FIG. 5 is a perspective view showing a configuration example of a grate.
  • Biomass power generation system 1 performs pyrolysis and carbonization as needed in a state where waste biomass such as woody biomass and municipal waste is included in the fuel, burns it in a combustor, and uses the generated gas as energy It is a system that generates electricity by operating.
  • the biomass power generation system 1 of the present embodiment can be divided into the following eight units if functionally classified.
  • First unit 10 A unit that transports and prepares fuel.
  • the first unit 10 includes an unloading place 11 and a temporary fuel storage place 13 (see FIG. 1).
  • the unloading place 11 is a place where the biomass fuel transported by the tractor TR or the like is unloaded (see FIG. 1).
  • the unloaded biomass fuel is shredded by a shredder device when necessary and stored in a temporary storage place 13.
  • raw materials of bamboo such as crushed bamboo chips are stored.
  • the fuel is moved to the fuel storage 21, and other stones, sand, mud, etc. are used for road pavement materials, for example.
  • the unit where combustion is stored includes a fuel storage 21 having a moving floor and a conveyor 23 to the fuel supply system.
  • biomass fuel is stored.
  • the fuel storage 21 has a capacity capable of holding fuel for a required operation time so that fuel does not need to be replenished on the way.
  • the stored biomass fuel is automatically carried out by the hydraulically controlled floor and chain conveyor controlled by the fuel supply system, and conveyed to the third unit 30 by the conveyor 23.
  • the third unit 30 is a boiler system.
  • the third unit 30 includes fuel supply devices 31A and 31B, a combustion furnace 32, a boiler 34, an internal pipe 35, a boiler cleaning device (not shown), an economizer 37, a super heater 38, and a water pipe 39.
  • Fuel supply devices 31 ⁇ / b> A and 31 ⁇ / b> B are devices that supply fuel to the combustion furnace 32.
  • the fuel conveyed by the conveyor 23 is supplied to the combustion furnace 32 using a spiral multi-screw feeder (see FIGS. 1 and 4).
  • the supply system has a fire extinguishing unit designed with redundancy.
  • the combustion furnace 32 is a furnace for burning the supplied biomass fuel, and is designed as a stoker type combustion furnace in which appropriate air is supplied to the furnace of the inclined grate 33.
  • the structure of the combustion furnace 32 is impermeable to gas and can support the weight of the inner wall and equipment of the furnace. Depending on the size, several inspection and maintenance doors are provided.
  • the combustion furnace 32 is lined with a multilayer inner wall. For example, a high alumina castable (refractory material) or a refractory brick is used as a front layer in a high load place. Low-cement materials are used in low-load areas.
  • the middle layer uses common refractory bricks and castables, and the outer layer uses thermal insulation.
  • the combustion furnace 32 is often lined at the factory.
  • combustion temperature control for minimizing NOx emission can be performed.
  • Combustion is always controlled in consideration of the state of load and pressure, and the ratio of excess air ( ⁇ control).
  • the grate 33 is self-supporting and is placed in the combustion furnace 32, and its dimensions are determined at the design stage (see FIG. 5).
  • Several hydraulic cylinders move the rods of the grate 33 back and forth to completely burn the fuel.
  • Incombustibles (ash and other things) move on the grate 33 and are discharged from the end of the combustion furnace 32 by the discharge conveyor (externally through the discharge hole).
  • primary air and secondary air are supplied to the fuel placed on the grate 33 and burned (see FIG. 2). That is, in order to efficiently burn the fuel on the grate 33, primary air is blown from below the grate 33, and secondary air is used to cause secondary combustion of unburned gas and unburned matter generated on the grate 33. In order to prevent clinker from adhering to the wall surface.
  • primary air A is supplied from the bottom of the grate 33 to the primary combustion chamber above the grate 33 to cause primary combustion of the fuel on the grate 33, and the secondary above the primary combustion chamber.
  • the secondary air B is supplied to the combustion chamber, the unburned gas and unburned matter generated in the primary combustion chamber are secondarily burned, and the combustion gas is discharged from the upper part of the post-combustion grate 33 (the exhaust gas after passing through the dust collector).
  • the primary air A is air (normal air) supplied from the boiler 34, and the primary air A 'is recirculated air.
  • the primary air A ' is used for fuel reduction and drying.
  • the boiler 34 is disposed in the middle of the internal pipe 35, and heats the circulating water by exchanging heat between the combustion exhaust gas and the circulating water.
  • a boiler cleaning device (not shown) cleans the used boiler 34.
  • the third unit 30 further includes a soot blower (soot) using steam for online cleaning of the super heater 38 and the economizer 37.
  • the economizer 37 is one of the feed water heaters of the boiler 34, and heats the feed water using the residual heat of the exhaust.
  • the economizer 37 is configured by a water pipe or the like provided in the flue 36.
  • the water pipe 39 is a pipe for flowing cooling water to cool the furnace wall of the combustion furnace 32, and is arranged around the flue 36.
  • the specific configuration of the water pipe 39 is not particularly limited, the water pipe 39 in the biomass power generation system 1 of the present embodiment is mostly a horizontal water pipe 39a arranged horizontally, a vertical water pipe 39b connecting these horizontal water pipes 39a, and It includes a fine water pipe 39c that stops halfway (see FIG. 2 and the like).
  • the 4th unit 40 is a unit which processes combustion gas.
  • the fourth unit 40 includes a primary dust collector 41, an electrostatic dust collector 42, a ventilation fan 43, and a chimney 45.
  • the primary dust collector 41 that removes coarse particles is connected to the flue 36 after passing through the economizer 37.
  • the coarsely collected exhaust gas is further collected by the electrostatic dust collector 42.
  • the separated dust is continuously removed, and the cleaned exhaust gas is guided to the steel chimney 45 through the ventilation fan 43.
  • the chimney 45 is self-supporting, and the height is designed in accordance with the height required by the municipality of the installation location.
  • the 5th unit 50 is a unit which constitutes a power generator.
  • the fifth unit 50 includes a condensing turbine 51, a steam condenser 52 and a condensate tank 53, an air cooler 54, and an external pipe 55 that are gear-connected to the generator 56.
  • the condensing turbine 51 is rotated by superheated steam produced by the boiler 34. If steam is extracted from the condensing turbine 51, it can be used for various purposes (for example, processing, heating).
  • the condensed steam after use is collected in the non-pressure condensate tank 53 and then returned to the BFW (boiler supply water) tank 63.
  • the vapor condenser 52 is connected to the condensation tank.
  • the sixth unit 60 is a unit that performs water treatment.
  • the sixth unit 60 includes a fresh water treatment device 61, a deaeration device 62, a BFW (boiler supply water) tank 63, an instrumented BFW pump 64, and a drain pipe system 65.
  • the chemical water treatment system consists of a cation exchanger and a reverse osmosis system.
  • the BFW tank 63 is composed of a thermal degassing device and instrumentation therein.
  • the seventh unit 70 is a unit that performs ash treatment.
  • the seventh unit 70 includes an ash extraction device 71 from the grate 33, an ash extraction from the middle of the flue 36, an ash extraction device 73 from the primary dust collector 41 and the electrostatic dust collector 42.
  • the ash of the grate 33 in the combustion furnace 32 is taken out from the lower end of the combustion furnace 32. Ashes from the middle of the flue 36 are carried to a common ash removal position.
  • the ash of the primary dust collector 41 and the electrostatic dust collector 42 is directly taken out from a take-out port (hopper) of a case (not shown).
  • the boundary of the ash treatment system becomes the take-off nozzle of the corresponding rotary valve.
  • Each ash is collected separately from each outlet and delivered to an industrial waste disposal contractor.
  • the eighth unit 80 is a unit constituting the control device.
  • the eighth unit 80 includes a control panel 81, an I & P field device (hereinafter, not shown), a combustion control device, and a boiler control device (see FIG. 3).
  • the present invention is suitable for application in the case of generating power by burning bamboo as a main fuel in a biomass power generation system.
  • Condensing turbine 52 Steam condenser 53 ... Condensate tank 54 ... Air cooler 55 ... External piping 56 ... Generator 60 ... Sixth unit 61 ... Fresh water Processor 62 ... Deaerator 63 ... BFW (boiler supply water) tank 64 ... BFW pump 65 with instrumentation ... Drainage pipe system 70 ... 7 unit 71 ... ash extraction device 80 ... eighth unit from the ash removal device 73 ... primary dust collector 41 and the electrostatic precipitator 42 from the grate 33 81 ... control panel

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Solid-Fuel Combustion (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Incineration Of Waste (AREA)

Abstract

La présente invention concerne un système de production d'énergie alimenté par biomasse (1) équipé d'un four de combustion (32) dans lequel sont insufflés un air primaire pour la combustion efficace de combustible sur une grille de foyer (33) et un air secondaire pour effectuer une combustion secondaire de matières non brûlées et de gaz non brûlés générés sur la grille de foyer (33); et d'une conduite d'eau (39) pour refroidir la paroi du four de combustion (32) afin d'abaisser la température dudit four, la vitesse d'écoulement de l'air primaire étant réduite, la paroi du four de combustion (32) étant refroidie par l'eau de refroidissement circulant dans la conduite d'eau (39), et du bambou étant brûlé comme combustible.
PCT/JP2016/071569 2015-07-22 2016-07-22 Système de production d'énergie électrique alimenté par biomasse utilisant du bambou en tant que combustible principal, et procédé de combustion de bambou dans ledit système de production d'énergie électrique alimenté par biomasse Ceased WO2017014299A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112017027793A BR112017027793A2 (pt) 2015-07-22 2016-07-22 sistema de geração de energia de biomassa usando material de bambu como combustível principal e método de combustão de material de bambu em sistema de geração de energia de biomassa
JP2017529945A JPWO2017014299A1 (ja) 2015-07-22 2016-07-22 竹材を主燃料にしたバイオマス発電システムおよび該バイオマス発電システムにおける竹材の燃焼方法
PH12017502247A PH12017502247A1 (en) 2015-07-22 2017-12-11 Biomass power generation system using bamboo as main fuel, and method for combusting bamboo in said biomass power generation system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-145309 2015-07-22
JP2015145309 2015-07-22

Publications (1)

Publication Number Publication Date
WO2017014299A1 true WO2017014299A1 (fr) 2017-01-26

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PCT/JP2016/071569 Ceased WO2017014299A1 (fr) 2015-07-22 2016-07-22 Système de production d'énergie électrique alimenté par biomasse utilisant du bambou en tant que combustible principal, et procédé de combustion de bambou dans ledit système de production d'énergie électrique alimenté par biomasse

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JP (1) JPWO2017014299A1 (fr)
BR (1) BR112017027793A2 (fr)
PH (1) PH12017502247A1 (fr)
WO (1) WO2017014299A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107036075A (zh) * 2017-06-05 2017-08-11 海伦市利民节能锅炉制造有限公司 一种连续运行的生物质成型燃料气化燃烧器
CN109539316A (zh) * 2018-11-16 2019-03-29 西安交通大学 一种低挥发分型煤环保节能炉
KR20200076401A (ko) * 2018-12-19 2020-06-29 한국생산기술연구원 고효율 저공해의 바이오매스 연소 시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0960851A (ja) * 1995-08-28 1997-03-04 Takuma Co Ltd 階段摺動式ストーカ
JP2011223971A (ja) * 2010-04-19 2011-11-10 Asako:Kk 竹資源活用システム及び竹林の管理方法並びに竹年齢識別手段
JP2013178025A (ja) * 2012-02-28 2013-09-09 Daichi Co Ltd 燃焼装置
JP2013257048A (ja) * 2012-06-11 2013-12-26 Yasuhisa Choshoin 復合ボイラー型バイオマス発電機
JP2015048999A (ja) * 2013-09-02 2015-03-16 長松院　泰久 分割ボイラー式バイオマス蒸気発電方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0960851A (ja) * 1995-08-28 1997-03-04 Takuma Co Ltd 階段摺動式ストーカ
JP2011223971A (ja) * 2010-04-19 2011-11-10 Asako:Kk 竹資源活用システム及び竹林の管理方法並びに竹年齢識別手段
JP2013178025A (ja) * 2012-02-28 2013-09-09 Daichi Co Ltd 燃焼装置
JP2013257048A (ja) * 2012-06-11 2013-12-26 Yasuhisa Choshoin 復合ボイラー型バイオマス発電機
JP2015048999A (ja) * 2013-09-02 2015-03-16 長松院　泰久 分割ボイラー式バイオマス蒸気発電方法

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107036075A (zh) * 2017-06-05 2017-08-11 海伦市利民节能锅炉制造有限公司 一种连续运行的生物质成型燃料气化燃烧器
CN107036075B (zh) * 2017-06-05 2023-04-18 海伦市利民节能锅炉制造有限公司 一种连续运行的生物质成型燃料气化燃烧器
CN107036075B9 (zh) * 2017-06-05 2023-05-30 海伦市利民节能锅炉制造有限公司 一种连续运行的生物质成型燃料气化燃烧器
CN109539316A (zh) * 2018-11-16 2019-03-29 西安交通大学 一种低挥发分型煤环保节能炉
KR20200076401A (ko) * 2018-12-19 2020-06-29 한국생산기술연구원 고효율 저공해의 바이오매스 연소 시스템
KR102186562B1 (ko) 2018-12-19 2020-12-03 한국생산기술연구원 고효율 저공해의 바이오매스 연소 시스템

Also Published As

Publication number Publication date
BR112017027793A2 (pt) 2018-08-28
PH12017502247A1 (en) 2018-06-04
JPWO2017014299A1 (ja) 2018-12-20

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