WO2013094279A1 - ガス化装置 - Google Patents

ガス化装置 Download PDF

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Publication number
WO2013094279A1
WO2013094279A1 PCT/JP2012/075604 JP2012075604W WO2013094279A1 WO 2013094279 A1 WO2013094279 A1 WO 2013094279A1 JP 2012075604 W JP2012075604 W JP 2012075604W WO 2013094279 A1 WO2013094279 A1 WO 2013094279A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel
furnace
inner cylinder
level
gasification
Prior art date
Application number
PCT/JP2012/075604
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
裕昭 脇坂
太司 赤坂
佐藤　和男
良成 鳴海
Original Assignee
ヤンマー株式会社
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 ヤンマー株式会社 filed Critical ヤンマー株式会社
Priority to IN1430KON2014 priority Critical patent/IN2014KN01430A/en
Priority to EP12858860.5A priority patent/EP2765177B1/en
Publication of WO2013094279A1 publication Critical patent/WO2013094279A1/ja
Priority to PH12014501116A priority patent/PH12014501116B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/723—Controlling or regulating the gasification process
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/22—Arrangements or dispositions of valves or flues
    • C10J3/24—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed
    • C10J3/26—Arrangements or dispositions of valves or flues to permit flow of gases or vapours other than upwardly through the fuel bed downwardly
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/02—Fixed-bed gasification of lump fuel
    • C10J3/20—Apparatus; Plants
    • C10J3/30—Fuel charging devices
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72—Other features
    • C10J3/74—Construction of shells or jackets
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
    • C10K1/06—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials combined with spraying with water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00—Details of gasification apparatus
    • C10J2200/15—Details of feeding means
    • C10J2200/158—Screws
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0913—Carbonaceous raw material
    • C10J2300/0916—Biomass
    • C10J2300/092—Wood, cellulose
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
    • C10J2300/0953—Gasifying agents
    • C10J2300/0956—Air or oxygen enriched air
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00—Details of gasification processes
    • C10J2300/16—Integration of gasification processes with another plant or parts within the plant
    • C10J2300/164—Integration of gasification processes with another plant or parts within the plant with conversion of synthesis gas
    • C10J2300/1643—Conversion of synthesis gas to energy
    • C10J2300/165—Conversion of synthesis gas to energy integrated with a gas turbine or gas motor
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/02—Dust removal
    • C10K1/026—Dust removal by centrifugal forces
    • 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
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]

Definitions

  • the present invention relates to a fuel detection means for detecting the accumulation height of fuel accumulated in the inner cylinder as an in-furnace level, and to obtain a deviation between the in-furnace level target value and the in-furnace level. Since it has a control device that controls the fuel supply device according to the deviation so as to achieve the target value, the in-furnace level of the fuel varies depending on the combustion state in the furnace, but it is suitable for gasification The amount of fuel input can be controlled to maintain the fuel level. As a result, it is possible to generate a stable gas with less tar, and to prevent the generation of clinker due to melting of ash.
  • the cyclone 30 removes large dust contained in the gas from the gasifier 20 by centrifugation.
  • the solid line arrow shown in FIG. 1 shows the path
  • the cooling tower 70 stores water supplied to the heat exchanger 40 and the heat exchanger 61. Water in the cooling tower 70 is pumped to the heat exchanger 40 and the heat exchanger 61 by a pump 71.
  • the filter 80 filters small dust contained in the gas.
  • the attraction blower 90 attracts the gas from the gasification furnace 20 to the engine generator 100 side by a negative pressure action.
  • the engine generator 100 drives a generator by a gas engine.
  • the surplus gas combustion apparatus 200 performs a combustion process on surplus gas.
  • the inner cylinder 23 is a cylindrical member that introduces fuel into the inner cylinder 23.
  • the inner cylinder 23 is erected in the vertical direction so that the axial centers of the gasifier main body 21 coincide with each other.
  • the upper and lower ends of the inner cylinder 23 are opened. Note that the upper end opening of the inner cylinder 23 can be closed by the lid 24.
  • a level sensor 25 serving as a fuel detection means for detecting the height position of the fuel 5 accumulated in the inner cylinder 23 (fuel accumulation height) is provided at the upper part of the inner cylinder 23. ing.
  • the level sensor 25 has a chain 252 that hangs down in the inner axial direction (vertical direction) of the inner cylinder 23 and has a weight 251 at the lower end, and a drive unit that winds up or rewinds the chain 252 to raise and lower the weight 251. Part 253.
  • the weight 251 When the upper surface position of the fuel 5 accumulated in the inner cylinder 23 is measured by the level sensor 25, the weight 251 is lowered by the extension of the chain 252, and when the weight 251 contacts the fuel 5, the measuring unit 253
  • the height of the fuel 5 can be determined by detecting the weight change of the weight 251 (change in the weight balance of the weight). Such level detection of the fuel 5 is performed regularly and continuously (for example, at intervals of 1 minute).
  • the level sensor 25, the pressure sensor 26, and the temperature sensor 27 are connected to a control device 28 as shown in FIG.
  • the control device 28 controls the motor 12 of the fuel supply device 10 based on detection signals from the level sensor 25, the pressure sensor 26 and the temperature sensor 27.
  • a motor 12 of the fuel supply device 10 is connected to the control device 28.
  • the control device 28 includes a processing unit 281 and a storage unit 282.
  • the gas generated in the gasification furnace 20 is supplied to the cyclone 30.
  • the cyclone 30 removes large dust and the like contained in the gas from the gasification furnace 20 by centrifugation.
  • the filter 80 filters small dust contained in the gas.
  • the attraction blower 90 attracts the gas from the gasification furnace 20 to the engine generator 100 side by a negative pressure action.
  • the engine generator 100 drives a generator by a gas engine.
  • the surplus gas combustion apparatus 200 performs a combustion process on surplus gas.
  • FIG. 4 is a block diagram showing the control of the fuel supply device
  • FIG. 5 is a block diagram of the fuel supply device.
  • the motor 12 is actuated and the fuel supply device 10 starts to input the fuel 5 (S2), and the frequency f of the motor 12 is matched with the basic injection frequency f1 (S3).
  • the in-furnace level target value H1 of the fuel 5 is set (S4).
  • the in-furnace level target value H1 refers to the height position of the fuel 5 deposited from the lower end opening 235 of the inner cylinder 23.
  • the in-furnace level target value H1 of the fuel 5 provides the best gas generation efficiency.
  • the fuel deposited in the inner cylinder 23 forms a dry layer / distillation layer A, an oxidation layer B, and a reduction layer C from above. Note that a temperature range of approximately 1100 ° C. is formed on the inside of the cylinder (in particular, the oxide layer B).
  • the fuel is gasified with high efficiency while maintaining the in-furnace level target value H1. If the amount of fuel filling is too large (the fuel accumulation position is too higher than the in-furnace level target value H1), the fuel 5 forms a bridge inside the inner cylinder 23, and gasification cannot be performed efficiently. For this reason, the height (in-furnace level upper limit set value) Hh at which the fuel 5 in the inner cylinder 23 forms a bridge is measured by conducting an actual test in advance (S5).
  • the fuel detection means measures the level in the inner cylinder 23 of the fuel 5 (S6), and detects the in-furnace level H of the fuel 5 (S7).
  • the control is performed.
  • the device 28 calculates a deviation ⁇ H between the in-furnace level target value H1 and the in-furnace level H (S9).
  • the level sensor 25 measures the in-furnace level and obtains the deviation ⁇ Hl from the in-furnace level target value H1 and the in-furnace level H. Then, the correction frequency f can be obtained based on the deviation ⁇ Hl.
  • the level sensor 25 performs level detection periodically and continuously (at intervals of 1 minute).
  • the pressure sensor 26 calculates the deviation ⁇ Hp from the furnace level target value H1 and the furnace level H. That is, when the fuel 5 is at the in-furnace level target value H1, the filling amount and the combustion state of the fuel 5 are appropriate. At this time, the detected pressure of the pressure sensor 26 is set within a certain negative pressure range (predetermined pressure value). When the internal pressure detected by the pressure sensor 26 rises above a predetermined pressure value (approaching atmospheric pressure), it is considered that air drift has occurred in the gasifier main body 21 (inside the inner cylinder 23). . Such uneven flow forms a portion in which the air hardly flows in the fuel 5 accumulated in the inner cylinder 23 and a portion inadvertently flowing.
  • the deviation ⁇ H1 the deviation ⁇ Hp, and the deviation ⁇ Ht are calculated for each, and the total deviation is taken into account.
  • the deviation ⁇ Hl obtained from the level sensor 25 is mainly used, and the deviation ⁇ Hp obtained from the pressure sensor 26 and the deviation ⁇ Ht obtained from the temperature sensor 27 are supplementarily employed.
  • the gas in the heat insulating layer can increase the temperature inside the inner cylinder 23 to a temperature sufficient to reduce tar (for example, about 1000 ° C.). For this reason, unlike the conventional case, it is not necessary to install a nozzle for sending air, and clinker generation due to a local high temperature can be prevented.
  • the air passing through the inner cylinder 23 spreads along the fuel 5 and the gasifier main body.
  • a wall flow is generated which attempts to pass through the inner peripheral surface 21a of the 21.
  • the constricted portion 210 is provided on the inner peripheral surface 21 a of the gasifier main body 21, so that air is drawn along the constricted portion 210 to the central portion of the gasifier main body 21. For this reason, the fuel 5 in the constricted portion 210 becomes high temperature, an oxide layer is formed in the constricted portion 210, and gasification is promoted.
  • the tar generated by the wall flow always passes through the high temperature portion of the constricted portion 210, troubles caused by the tar can be reduced.
  • the present invention is not limited to the above embodiment.
  • the constriction part 210 does not necessarily need to provide.
  • the cross-sectional opening shape of the gasifier main body 21 and the inner cylinder 23 can employ
  • the present invention relates to a gasifier, and in particular, is useful for a technique for controlling fuel to be charged into a gasifier.
  • the present invention achieves stable gasification by controlling the amount of fuel supplied to the inner cylinder so that the height of the fuel accumulated in the inner cylinder becomes the furnace level target value. Suitable for use to prevent the generation of clinker due to melting of

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Processing Of Solid Wastes (AREA)
PCT/JP2012/075604 2011-12-22 2012-10-03 ガス化装置 WO2013094279A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IN1430KON2014 IN2014KN01430A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2011-12-22 2012-10-03
EP12858860.5A EP2765177B1 (en) 2011-12-22 2012-10-03 Gasification system
PH12014501116A PH12014501116B1 (en) 2011-12-22 2014-05-19 Gasification system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-282094 2011-12-22
JP2011282094A JP5805520B2 (ja) 2011-12-22 2011-12-22 ガス化装置

Publications (1)

Publication Number Publication Date
WO2013094279A1 true WO2013094279A1 (ja) 2013-06-27

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PCT/JP2012/075604 WO2013094279A1 (ja) 2011-12-22 2012-10-03 ガス化装置

Country Status (5)

Country Link
EP (1) EP2765177B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP5805520B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN2014KN01430A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PH (1) PH12014501116B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO2013094279A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016046699A1 (en) * 2014-09-25 2016-03-31 Ankur Scientific Energy Technologies Pvt. Ltd. Gasifier and gasification method
US10000339B2 (en) * 2015-07-02 2018-06-19 Lockheed Martin Corporation Gravity-fed housing for gasification system
JP6607810B2 (ja) * 2016-03-11 2019-11-20 ヤンマー株式会社 ガス化発電装置
JP6653944B2 (ja) * 2018-02-26 2020-02-26 Ｎｅホールディングス株式会社 ハイブリッド系統接続システム及び連系空き枠マッチングシステム
KR102755644B1 (ko) * 2022-04-25 2025-01-23 이정율 폐수지 연속 열분해 시스템

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02118735U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-03-08 1990-09-25
JPH06184560A (ja) * 1992-07-10 1994-07-05 Hiroshi Shimizu 有機廃棄物の熱分解装置
JP2010215810A (ja) 2009-03-17 2010-09-30 Yanmar Co Ltd ガス化装置

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
US3568612A (en) * 1968-03-25 1971-03-09 Torrax Systems Combustion chamber
CA1226173A (en) * 1983-03-01 1987-09-01 Malcolm D. Lefcort Incinerators, and gasifiers and burners forming part of same
WO2003018721A1 (en) * 2001-08-22 2003-03-06 Global Plasma Systems Group, Inc. Plasma pyrolysis, gasification and vitrification of organic material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02118735U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-03-08 1990-09-25
JPH06184560A (ja) * 1992-07-10 1994-07-05 Hiroshi Shimizu 有機廃棄物の熱分解装置
JP2010215810A (ja) 2009-03-17 2010-09-30 Yanmar Co Ltd ガス化装置

Also Published As

Publication number Publication date
EP2765177A1 (en) 2014-08-13
IN2014KN01430A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2015-10-23
JP5805520B2 (ja) 2015-11-04
EP2765177A4 (en) 2015-04-29
EP2765177B1 (en) 2017-11-22
PH12014501116A1 (en) 2014-08-04
JP2013129797A (ja) 2013-07-04
PH12014501116B1 (en) 2014-08-04

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