WO2012132700A1 - 石炭火力発電設備及び石炭火力発電方法 - Google Patents

石炭火力発電設備及び石炭火力発電方法 Download PDF

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Publication number
WO2012132700A1
WO2012132700A1 PCT/JP2012/054761 JP2012054761W WO2012132700A1 WO 2012132700 A1 WO2012132700 A1 WO 2012132700A1 JP 2012054761 W JP2012054761 W JP 2012054761W WO 2012132700 A1 WO2012132700 A1 WO 2012132700A1
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Prior art keywords
coal
steam
heat
exhaust gas
power generation
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PCT/JP2012/054761
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English (en)
French (fr)
Japanese (ja)
Inventor
敏之 木村
隆行 野口
片岡　正樹
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月島機械株式会社
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Application filed by 月島機械株式会社 filed Critical 月島機械株式会社
Priority to KR1020137022542A priority Critical patent/KR101879471B1/ko
Priority to US14/005,691 priority patent/US20140013746A1/en
Priority to AU2012235025A priority patent/AU2012235025B2/en
Publication of WO2012132700A1 publication Critical patent/WO2012132700A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K19/00—Regenerating or otherwise treating steam exhausted from steam engine plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
    • F01K7/44—Use of steam for feed-water heating and another purpose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/32—Feed-water heaters, i.e. economisers or like preheaters arranged to be heated by steam, e.g. bled from turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K1/00—Preparation of lump or pulverulent fuel in readiness for delivery to combustion apparatus
    • F23K1/04—Heating fuel prior to delivery to combustion apparatus

Definitions

  • the present invention relates to a coal-fired power generation facility and a coal-fired power generation method in which coal is pre-dried, partially crushed, sent to a coal-fired boiler, and a steam turbine is driven to generate power.
  • a coal-fired power generation facility in which coal is pre-dried, partially crushed, sent to a coal-fired boiler, and a steam turbine is driven to generate power.
  • the latent heat of condensation is recovered from the dry exhaust gas from the drying equipment for pre-drying the coal, but the amount of steam flowing through the final stage of the steam turbine is not greatly changed from the design value. More specifically, it is suitable for suppressing a decrease in power generation efficiency when burning using low-grade coal such as lignite and subbituminous coal.
  • the condensing latent heat of the extracted steam is transferred to the dry exhaust gas generated when the coal is dried with the drying equipment, and if it is released as it is, not only will there be a loss of effective heat, but steam that has become medium or low pressure.
  • the amount of steam flowing through the final stage of the steam turbine decreases, exhaust loss increases, and turbine efficiency decreases.
  • the present invention has been made in view of the above background, not only recovering latent heat of condensation from the dry exhaust gas from the drying equipment for pre-drying the coal, but also the amount of steam flowing through the final stage of the steam turbine relative to the design value
  • An object of the present invention is to provide a coal-fired power generation facility and a coal-fired power generation method capable of suppressing a decrease in power generation efficiency without greatly changing.
  • An indirect heating dryer that has a heating medium passage in the casing and indirectly heats the coal charged in the casing with steam that feeds the heating medium passage to dry the coal;
  • a coal-fired boiler that generates steam by burning dry coal;
  • a steam turbine that generates power by steam from a boiler;
  • a coal-fired power generation facility that preheats boiler feed water to the coal-fired boiler with the extracted steam extracted from the steam turbine, A system utilizing a part of the extracted steam as heating steam of the indirect heating dryer;
  • a condenser of the steam turbine Heat recovery means provided in the dry exhaust gas path from the indirect heating dryer;
  • the heat recovery means has heat recovery amount adjustment means for adjusting the heat recovery amount while transferring the heat of the dry exhaust gas to the condensate of the condenser, A system that uses the condensate that has recovered the heat of the dry exhaust gas by the heat recovery means as the residual heat of the boiler feed water;
  • a coal-fired power generation facility characterized by comprising:
  • the drying facility pre-drys the coal using the steam extracted from the steam turbine as a heating source, and heat is recovered from the dried exhaust gas discharged from the drying facility by a heat recovery heat exchanger. Recover and reheat the boiler water supply to the boiler. At this time, by adjusting the heat recovery amount when recovering the heat from the dry exhaust gas, the amount of regeneration extracted steam from the low pressure (low temperature) portion of the steam turbine can be reduced or eliminated.
  • the amount of steam extracted for pre-drying varies depending on the moisture content and throughput of coal
  • the amount of steam extracted from the low-pressure steam turbine to heat the boiler feedwater can be adjusted by appropriately adjusting the amount of heat recovered from the dry exhaust gas. The amount can be adjusted. Therefore, by reducing or eliminating the amount of extracted steam extracted from the low-pressure steam turbine and reducing the variation in the amount of extracted steam, the amount of steam flowing through the final stage of the steam turbine greatly changes from the design value. Therefore, the displacement of the low-pressure steam turbine is within the allowable range.
  • the coal-fired power generation facility of the present invention it is possible not only to recover the condensation latent heat from the dry exhaust gas discharged from the drying facility that pre-drys the coal using the condensation latent heat of the extracted steam of the steam turbine as a heating source, Since the amount of steam flowing through the final stage of the turbine does not change greatly with respect to the design value, it is possible to prevent the efficiency of the low-pressure steam turbine from being lowered.
  • the sensible heat of the dry exhaust gas and the condensation latent heat of the vapor from which the moisture of the coal has evaporated can be transferred to the circulating water, and the heat recovery efficiency is high.
  • the exhaust gas temperature at the outlet of the wet scrubber it becomes easy to control the amount of extracted steam from the low pressure (low temperature) portion of the steam turbine.
  • the heat recovery means exchanges heat between a wet scrubber provided in a dry exhaust gas path from the indirect heating dryer, circulating water of the wet scrubber, and condensate of the condenser.
  • the heat recovery means exchanges heat between a wet scrubber provided in a dry exhaust gas path from the indirect heating dryer, circulating water of the wet scrubber, and condensate of the condenser.
  • the invention of claim 3 is the coal-fired power generation facility according to claim 1, wherein the heat recovery means includes heat pump means.
  • the temperature of the dried exhaust gas is usually 100 ° C or less, so the temperature of the condensate can be recovered by heat recovery and heat exchange with the condensate. Cannot be heated above 100 ° C. Therefore, the heat amount of the dry exhaust gas cannot be sufficiently recovered. If low-temperature waste heat that cannot be sufficiently recovered is converted into a high-temperature heat source using heat pump means, heat can be further recovered to heat the boiler feed water.
  • the wet scrubber is of a two-stage type, receives boiler feed water heated by a first heat recovery heat exchanger corresponding to the circulating water of the first stage scrubber, and circulates water of the second stage scrubber.
  • a first heat recovery heat exchanger corresponding to the circulating water of the first stage scrubber
  • the second heat recovery heat exchanger has a heat pump configuration.
  • the temperature of the first stage scrubber outlet of the dried exhaust gas is cooled to about 65 ° C., and the sensible heat and condensation latent heat of the dried exhaust gas are transferred to the circulating water of the first stage scrubber to heat the circulating water and condensate of the first stage scrubber. Replace and heat the condensate.
  • the temperature of the condensate at this point is below the temperature of the dry exhaust gas.
  • the dried exhaust gas at the outlet of the first stage scrubber is passed through the second stage scrubber, for example, the temperature of the outlet of the second stage scrubber of the dried exhaust gas is cooled to about 30 ° C., and the sensible heat and condensation latent heat of the dried exhaust gas are circulated through the second stage scrubber. Move to water.
  • the condensate cannot be heated as it is.
  • a heat pump using the circulating water of the second-stage scrubber as a heating source is introduced, a high-temperature liquid (for example, 120 ° C.) is recovered, and the condensed water can be further heated. As a result, most of the heat extracted for drying can be recovered and used for heating the condensate.
  • the invention according to claim 5 is the coal-fired power generation facility according to claim 1, configured to send boiler combustion exhaust gas as a carrier gas into the casing of the indirect heating dryer.
  • boiler combustion exhaust gas When boiler combustion exhaust gas is sent as a carrier gas into the casing of the indirect heating dryer, the sensible heat of the boiler exhaust gas and the condensation latent heat of water vapor contained in the boiler exhaust gas can also be recovered and extracted for drying.
  • the amount of heat that is greater than the amount of heat is recovered and the condensate can be heated, which not only saves energy, but also reduces the amount of low-pressure (low-temperature) steam for regeneration that exceeds the amount of extracted steam for drying.
  • the invention according to claim 6 has an indirect heating dryer that has a heating medium passage in the casing and indirectly heats and drys the coal with steam that feeds the coal charged into the casing into the heating medium passage.
  • a coal-fired boiler that generates steam by burning dry coal
  • a steam turbine that generates power by steam from a boiler
  • In a coal-fired power generation facility that preheats boiler feed water to the coal-fired boiler with extracted steam extracted from the steam turbine, Utilizing a part of the extracted steam as heating steam of the indirect heating dryer, condensing the exhaust of the steam turbine by a condenser
  • a heat recovery means is provided in the dry exhaust gas path from the indirect heating dryer, and the heat recovery means transfers the heat of the dry exhaust gas to the condensate of the condenser and adjusts the heat recovery amount. It has a collection amount adjustment means
  • the coal thermal power generation method is characterized in that the condensate in which the heat of the dry exhaust gas is recovered by the heat recovery means is used as the residual heat of the
  • the boiler combustion exhaust gas is fed into the casing of the indirect heating dryer as a carrier gas, and the dew point of the dry exhaust gas is in the range of 80 ° C to 95 ° C. This is a coal-fired power generation method.
  • the present invention not only recovering latent heat of condensation from the dry exhaust gas from the drying equipment for pre-drying the coal, the amount of steam flowing through the final stage of the steam turbine does not change significantly with respect to the design value, and the power generation efficiency It is possible to suppress the decrease of the.
  • FIG. 1 is a partially broken perspective view of a steam tube dryer applied to a first embodiment of the present invention. It is the schematic which shows the coal-fired power generation facility of the regeneration system which concerns on the 1st Embodiment of this invention. It is the schematic which shows the coal-fired power generation facility of the regeneration system which concerns on the 2nd Embodiment of this invention. It is a principal part enlarged view of the 2nd Embodiment of this invention. It is a figure which shows the graph showing the relationship between the steam quantity of the last stage of a steam turbine, and exhaust loss. It is a figure which shows the graph showing the relationship between the dry exhaust gas temperature after heat recovery, and the ratio of the amount of steam which flows through the last paragraph of a turbine at the time of no prior drying equipment.
  • a first embodiment of a coal thermal power generation facility and a coal thermal power generation method according to the present invention will be described below with reference to the drawings.
  • a steam tube dryer as an indirect heating rotary dryer that can be suitably used as a drying equipment applied to the embodiment of the present invention to deepen the understanding. 1 will be described in advance.
  • This steam tube dryer 1 shown in FIG. 1 has a plurality of heating pipes 31 arranged between both end plates in parallel with the axis in a rotary cylinder 30 that is rotatable around the axis.
  • Extracted steam S7 sent from the outside through the attached heat medium inlet pipe 51 is supplied as heating steam to these heating pipes 31 and circulates through each of the heating pipes 31, and then this heat via the heat medium outlet pipe 52 The drain D of the heating steam is discharged.
  • the steam tube dryer 1 is provided with a charging device (not shown) having a screw or the like for charging the workpiece into the rotary cylinder 30.
  • a charging device (not shown) having a screw or the like for charging the workpiece into the rotary cylinder 30.
  • coal WC containing water or an organic substance which is an object to be processed, which is input from one end side into the rotary cylinder 30 through the insertion port 53 of the charging device, is brought into contact with the heating tube 31 heated by heating steam. Become dry.
  • the rotating cylinder 30 is installed with a downward slope, it is moved smoothly in the direction of the discharge port 54 so that the workpiece is continuously discharged from the other end side of the rotating cylinder 30. Yes.
  • the rotary cylinder 30 is installed on a base 36, and two sets of support rollers 35, 35 arranged parallel to the axis of the rotary cylinder 30 and spaced apart from each other, 34 is supported.
  • the width between the two sets of support rollers 35 and 35 and the inclination angle in the longitudinal direction thereof are selected in accordance with the downward gradient and diameter of the rotating cylinder 30.
  • a driven gear 40 is provided around the rotating cylinder 30, and the drive gear 43 meshes with the driven gear 40, and the rotational force of the prime mover 41 is transmitted via the speed reducer 42.
  • a carrier gas CG is introduced into the inside of the rotary cylinder 30 from a carrier gas inlet 61, and the carrier gas CG is accompanied by a vapor obtained by evaporating moisture contained in coal or organic matter to be processed. It is discharged from the discharge port 62 as dry exhaust gas DEG.
  • the whole structure of the said steam tube dryer 1 is an example, and this invention is not limited by the said structure.
  • FIG. 2 is a schematic view showing a regeneration-type coal-fired power generation facility to which the present embodiment is applied.
  • the dried dry coal DC discharged from the steam tube dryer 1 is fed into the pulverizer 2.
  • the pulverized dry coal DC pulverized by the pulverizer 2 is put into the coal combustion boiler 3.
  • the boiler 3 is provided with three heat exchangers from the first heat exchange unit 3A to the third heat exchange unit 3C.
  • Steam which is a heat medium generated from the boiler 3, is sent to the second heat exchanging unit 3 ⁇ / b> B and reheated, and the reheated superheated steam S ⁇ b> 1 is supplied to the high pressure steam turbine 7 of the first steam turbine 6.
  • the high-pressure steam turbine 7 is supplied and driven.
  • the high-pressure steam turbine 7 is not only connected to the low-pressure steam turbine 8 but also connected to the generator 6A, and the high-pressure steam turbine 7 and the low-pressure steam turbine 8 are driven and rotated in conjunction with each other, thereby recovering heat. Then, the generator 6A of the first steam turbine 6 generates electric power.
  • the other extracted steam S7 extracted from the low-pressure steam turbine 8 of the first steam turbine 6 is used as a heating source for the steam tube dryer 1 and sent to the second steam turbine 9 which is a low-pressure steam turbine. Electric power is generated by a generator 9A attached to the second steam turbine 9. Thereafter, a part of the extracted steam S8, S9 from the second steam turbine 9 joins the drain D discharged from the steam tube dryer 1 and then is supplied to the water supply line 12, and also the water supply line 12 The boiler feed water D2 is also heated directly.
  • the other extracted steam S10 from the second steam turbine 9 is sent to a condenser 5 that exchanges heat with seawater as cooling water, and the extracted steam S10 is condensed by the condenser 5. It becomes boiler feed water D1.
  • the exhaust gas discharged from the boiler 3 is A part of the gas is used as the carrier gas CG of the steam tube dryer 1 and the boiler combustion exhaust gas EG2 is sent to the pulverizer 2, and the remaining exhaust gas EG1 is discharged to the outside.
  • the exhaust gas discharged from the boiler 3 is supplied as the carrier gas CG of the steam tube dryer 1 so that the dew point of the dry exhaust gas DEG is in the range of 80 ° C to 95 ° C.
  • An inert gas such as air or nitrogen may be used so that the dew point of the exhaust gas DEG falls within this temperature range.
  • the condenser 5 is connected to a heat recovery means, and in particular, as shown in FIGS. 3 and 4, is connected to a wet scrubber 11 as a heat recovery means.
  • the exhaust gas DEG discharged is passed through the scrubber 11.
  • the sensible heat of the dry exhaust gas DEG and the condensing latent heat of the vapor from which the water content of the coal WC has evaporated are temporarily transferred to the circulating water, and then transferred to the circulating water.
  • the scrubber 11 is heat-exchanged with the dry exhaust gas DEG from the steam tube dryer 1 to recover the heat that the dry exhaust gas DEG has.
  • the heat recovery amount adjustment means can be assigned mainly to a circulation pump that adjusts the amount of circulating water.
  • the heat recovery means is not limited to the wet scrubber 11, and for example, as described above, a shell and tube heat exchanger or the like can be used.
  • the scrubber 11 is connected to the boiler 3 through the water supply pipe 12, and the boiler feed water D2 is fed into the boiler 3, and is deaerated by the deaeration device 10 in the middle.
  • extracted steam S2, S3, S6, S8, and S9 which are a part of the steam discharged from the steam turbines 7, 8, and 9, are introduced in the middle of the water supply pipe 12 to supply the boiler feed water D2.
  • a regeneration method is employed in which the boiler feed water D2 to the boiler 3 is heated using the steam extracted from the steam turbines 6 and 9.
  • the steam tube dryer 1 pre-drys the coal WC using the extracted steam S7 extracted from the steam turbine 6 as a heating source, and then heats from the dry exhaust gas DEG discharged from the steam tube dryer 1.
  • the scrubber 11 adjusts the amount of heat recovered when recovering heat from the dry exhaust gas DEG, so that the extracted steam S6, S8 from the low-pressure steam turbines 8, 9 that are the low-pressure and low-temperature parts of the steam turbines 6, 9 is obtained. , S9 is reduced.
  • the boiler feed water D1 is heated by appropriately adjusting and changing the amount of heat recovered by the scrubber 11 from the dry exhaust gas DEG. Therefore, the temperature of the steam extracted from the low pressure steam turbines 8 and 9 can be adjusted. As a result, by reducing or eliminating the amount of extracted steam extracted from the low-pressure steam turbines 8 and 9 and reducing the variation in the amount of extracted steam, the amount of steam flowing through the final stage of the steam turbine is less than the design value. There is no significant change, and the displacement of the low-pressure steam turbines 8 and 9 is within the allowable range.
  • the steam tube dryer 1 pre-drys the coal WC using the condensation latent heat of the extracted steam S7 of the steam turbine 6 as a heating source, but the steam tube dryer 1 discharges the coal WC.
  • the condensed latent heat or the like can be recovered from the dried exhaust gas DEG.
  • a boiler combustion exhaust gas selected from an inert gas such as air and nitrogen or a boiler combustion exhaust gas is supplied to the steam tube dryer 1 as the carrier gas CG, and the dew point of the dry exhaust gas DEG is set to 80.
  • the range is from 0C to 95C.
  • the dew point of the dry exhaust gas DEG of the steam tube dryer 1 is preferably 80 ° C. to 95 ° C., depending on the relationship between the amount of recovered heat and the drying capacity, depending on the moisture and amount of the coal WC to be dried.
  • the sensible heat of the boiler exhaust gas and the latent heat of condensation of the water vapor contained in the boiler exhaust gas can be recovered, saving energy.
  • the scrubber 11 is a heat exchanger, but in this embodiment, a two-stage scrubber 21 is used as a heat exchanger as shown in FIGS. 3 and 4. .
  • the indirect heat exchanger 22 is disposed in the first stage scrubber 21A, and the indirect heat exchanger 22 heats the boiler feed water D1 with the circulating water W of the first stage scrubber 21A. It has become.
  • the second stage scrubber 21B is provided with a heat pump unit 27, which is a heat pump means including an evaporator 24, a compressor 25, a condenser 26, and the like, and is indirectly connected to the first stage scrubber 21A.
  • the boiler feed water D1 sent from the mold heat exchanger 22 is further heated between the circulating water W and finally becomes boiler feed water D2.
  • boiler feed water D2 can be heated optimally, and scrubber 11 is heated.
  • the amount of heat recovered during recovery can be easily adjusted, and the amount of extracted steam from the low-pressure steam turbines 8 and 9 is reduced.
  • the heat supplied from the second-stage scrubber circulating liquid is heated using the heat pump unit 27 and the boiler feed water D2 is heated, the amount of heat can be recovered more effectively.
  • the extraction steam amount of the low-pressure steam turbine may be measured by installing a flow meter in the exhaust line from which the extraction steam is exhausted, and measuring with this flow meter or the amount of water condensed by the condenser 5. .
  • the method for adjusting the heat recovery amount from the dry exhaust gas DEG is not particularly limited.
  • the dry exhaust gas DEG is passed through the scrubbers 11 and 21, and the circulating water is circulated to sensible heat of the dry exhaust gas DEG. It is preferable to transfer the condensation latent heat of the dry steam to the circulating water.
  • the present invention can be applied to a coal-fired power generation facility.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Drying Of Solid Materials (AREA)
PCT/JP2012/054761 2011-03-25 2012-02-27 石炭火力発電設備及び石炭火力発電方法 WO2012132700A1 (ja)

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KR1020137022542A KR101879471B1 (ko) 2011-03-25 2012-02-27 석탄 화력 발전 설비 및 석탄 화력 발전 방법
US14/005,691 US20140013746A1 (en) 2011-03-25 2012-02-27 Coal-fired power generating system and coal-fired power generating method
AU2012235025A AU2012235025B2 (en) 2011-03-25 2012-02-27 Coal-fired power generation plant and coal-fired power generation method

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JP2011067437A JP5535112B2 (ja) 2011-03-25 2011-03-25 石炭火力発電設備及び石炭火力発電方法
JP2011-067437 2011-03-25

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US (1) US20140013746A1 (ko)
JP (1) JP5535112B2 (ko)
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AU (1) AU2012235025B2 (ko)
TW (1) TWI544183B (ko)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6422997A (en) * 1987-07-16 1989-01-25 Kawasaki Heavy Ind Ltd Drying and crushing of solid fuel
JPH01230916A (ja) * 1987-09-03 1989-09-14 Mitsui Mining Co Ltd 石炭の調湿方法
JPH08296835A (ja) * 1995-04-27 1996-11-12 Hitachi Ltd 微粉炭焚火力発電システム
JP2005241120A (ja) * 2004-02-26 2005-09-08 Kobe Steel Ltd 低品位炭を燃料とする発電方法
JP2010223572A (ja) * 2009-02-27 2010-10-07 Mitsubishi Heavy Ind Ltd 低品位炭を燃料とする火力発電プラント

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4297078A (en) * 1978-02-10 1979-08-16 Monash University Power generation system
JPS56119416A (en) * 1980-02-25 1981-09-19 Tsukishima Kikai Co Ltd Sludge drying and incinerating appatatus
US7024796B2 (en) * 2004-07-19 2006-04-11 Earthrenew, Inc. Process and apparatus for manufacture of fertilizer products from manure and sewage
AU2008265954A1 (en) * 2007-06-13 2008-12-24 Wormser Energy Solutions, Inc. Mild gasification combined-cycle powerplant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6422997A (en) * 1987-07-16 1989-01-25 Kawasaki Heavy Ind Ltd Drying and crushing of solid fuel
JPH01230916A (ja) * 1987-09-03 1989-09-14 Mitsui Mining Co Ltd 石炭の調湿方法
JPH08296835A (ja) * 1995-04-27 1996-11-12 Hitachi Ltd 微粉炭焚火力発電システム
JP2005241120A (ja) * 2004-02-26 2005-09-08 Kobe Steel Ltd 低品位炭を燃料とする発電方法
JP2010223572A (ja) * 2009-02-27 2010-10-07 Mitsubishi Heavy Ind Ltd 低品位炭を燃料とする火力発電プラント

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104373947A (zh) * 2014-11-13 2015-02-25 上海理工大学 过热蒸汽干燥制粉型燃煤发电系统
CN104373951A (zh) * 2014-11-13 2015-02-25 上海理工大学 过热蒸汽干燥制粉型燃煤发电系统

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AU2012235025B2 (en) 2016-05-26
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