WO2016084509A1 - Système de séchage - Google Patents

Système de séchage Download PDF

Info

Publication number
WO2016084509A1
WO2016084509A1 PCT/JP2015/079169 JP2015079169W WO2016084509A1 WO 2016084509 A1 WO2016084509 A1 WO 2016084509A1 JP 2015079169 W JP2015079169 W JP 2015079169W WO 2016084509 A1 WO2016084509 A1 WO 2016084509A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat transfer
transfer medium
drying
dried
heat
Prior art date
Application number
PCT/JP2015/079169
Other languages
English (en)
Japanese (ja)
Inventor
石井　徹
Original Assignee
株式会社Ihi
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 株式会社Ihi filed Critical 株式会社Ihi
Priority to AU2015351701A priority Critical patent/AU2015351701B2/en
Publication of WO2016084509A1 publication Critical patent/WO2016084509A1/fr

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F26B3/084—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed with heat exchange taking place in the fluidised bed, e.g. combined direct and indirect heat exchange
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements

Definitions

  • the fuel is directly heated to approximately 1000 ° C. because the condensed sunlight is directly irradiated to the fuel.
  • Such a temperature is not a problem at all in the case of a gasification facility that gasifies fuel, but becomes too high to dry the fuel.
  • the present disclosure has been made in view of the above-described problems, and in a drying system for drying a material to be dried, the consumption of fuel used for drying is suppressed by using solar heat, and the facility is enlarged.
  • An object of the present invention is to make it possible to control the temperature of a material to be dried to a temperature suitable for drying and suppressing.
  • the present disclosure adopts the following configuration as means for solving the above problems.
  • the first aspect of the drying system of the present disclosure heats a heat transfer medium with solar heat and exchanges heat between a plurality of solar collectors and a heat transfer medium heated by the solar collector and the material to be dried. And a drying oven for drying the material to be dried.
  • a configuration including a plurality of solar heat collectors that heat the heat transfer medium is employed. Therefore, by installing a number of solar collectors that can collect the energy required to dry the material to be dried, it is possible to dry the material to be dried, and a huge tower and reflection mirror are installed. Drying without using solar heat can be performed.
  • the amount of heat required for drying can be reduced as compared to the amount of heat required to gasify a solid fuel such as coal, in the present disclosure, a large number of heliostats are used as in the above-mentioned gasification facility. Not only does it not have to be installed, it also does not require a complex control system that focuses to a limited area from a widely installed heliostat.
  • the heat of the heat transfer medium is heated by the solar heat and the dry matter is heated by the heat transfer medium, instead of directly heating the material to be dried by the solar heat collected by the solar collector.
  • the configuration is adopted.
  • the temperature of the material to be dried can be easily adjusted by adjusting the physical properties (for example, saturated vapor temperature) of the heat transfer medium, the flow velocity of the heat transfer medium at the time of heat exchange, and the like. Therefore, according to the present disclosure, it is possible to adjust the temperature of the material to be dried to a temperature suitable for drying.
  • FIG. 1 is a flow diagram showing a schematic configuration of the drying system 1 of the present embodiment.
  • the drying system 1 of the present embodiment includes a plurality of solar collectors 2, a steam drum 3, an auxiliary boiler 4, a drying furnace 5, and a fluidizing gas supply device 6
  • a supply unit, an inert gas supply unit, a heat transfer medium circulation unit 7, and a control device 8 are provided.
  • FIG. 2A and 2B are schematic views showing a schematic configuration of the solar heat collector 2, FIG. 2A is a perspective view, and FIG. 2B is a cross-sectional view.
  • the solar heat collector 2 includes a first reflection plate 2a, a second reflection plate 2b, a heat transfer tube 2c, and a drive device 2d.
  • the first reflecting plate 2a is a substantially semi-cylindrical reflecting plate whose inner surface serving as a reflecting surface is directed to the upper sky, and reflects sunlight so as to condense on the second reflecting plate 2b.
  • the second reflection plate 2b is supported by the support portion 2e fixed to the first reflection plate 2a, and is a substantially semi-cylindrical reflection plate whose inner surface serving as a reflection surface is directed to the first reflection plate 2a.
  • the heat transfer tube 2c is a straight pipe disposed at the light collecting position of the second reflection plate 2b, and the heat transfer medium X flows inside.
  • the heat transfer tube 2c is fixed by a support mechanism provided outside so as to pass through a through hole provided in the support portion 2e.
  • the driving device 2d supports the first reflecting plate 2a and the second reflecting plate 2b so as to be movable around the heat transfer tube 2c.
  • the reflecting surface of the first reflecting plate 2a The first reflecting plate 2a and the second reflecting plate 2b are moved so as to face.
  • the second reflection plate 2b improves the light collection efficiency, and also heats the surface of the heat transfer tube 2c on the back side as viewed from the first reflection plate 2a to obtain an effect of improving the heat collection. It is also possible to omit it.
  • the sunlight reflected by the first reflection plate 2a and the second reflection plate 2b is collected at the heat transfer tube 2c, and the heat of the heat obtained by this condenses the heat transfer medium X inside the heat transfer tube 2c. It is heated.
  • water is used as the heat transfer medium X, and the heat transfer medium X heated in the solar collector 2 is heated to a degree that some or all of the heat transfer medium X is vaporized.
  • the heat transfer medium X is not limited to water, and, for example, an organic solvent, an inorganic salt, or a metal can also be used.
  • an organic solvent alcohols, fats and oils having a relatively high boiling point and being liquid at normal temperature can be used.
  • an inorganic salt or a metal what becomes a liquid at comparatively low temperature is selected in order to ensure fluidity.
  • a plurality of solar heat collectors 2 for heating the heat transfer medium X by such solar heat are provided, and each is connected to the steam drum 3 via a collecting pipe 2f.
  • the number of installed solar collectors 2 is determined based on the amount of steam required to dry the object Y in the drying furnace 5. For example, in the daytime in fine weather, the number of installed solar collectors 2 is determined such that the amount of steam generated by the operating solar collector 2 exceeds the amount of steam required by the drying furnace 5 .
  • the steam drum 3 is a container for temporarily storing the heat transfer medium X which is partially or totally vaporized by being heated by the solar collector 2, and the steam drum 3 is configured of the solar collector 2 and the drying furnace 5. It is arranged between.
  • the upper portion of the steam drum 3 is connected to the drying furnace 5, and the lower portion is connected to the heat transfer medium circulation portion 7.
  • the heat transfer medium X is supplied to such a steam drum 3, the heat transfer medium X in a steam state is accumulated in the upper part of the steam drum 3 and is sent out to the drying furnace 5. Further, the heat transfer medium X in a liquid state is collected at the bottom of the steam drum 3 and is sent out to the heat transfer medium circulating unit 7.
  • the auxiliary boiler 4 is a general-purpose boiler that can be easily started and stopped, for example, and is connected to the steam drum 3.
  • the auxiliary boiler 4 supplementarily heats the heat transfer medium X to generate steam when the amount of steam generation in the solar collector 2 decreases near sunrise time, sunset time, etc.
  • the steam drum 3 is supplied.
  • the auxiliary boiler 4 is connected to the control device 8 and generates steam under the control of the control device 8.
  • the drying furnace 5 includes a chamber 5a, a dividing wall 5b dividing the inside of the chamber 5a into a plurality of regions in the horizontal direction, and a heat transfer pipe 5c inserted into the inside of the chamber 5a.
  • the chamber 5a is a container in which the material to be dried Y is stored. In the chamber 5a, when the material to be dried Y is supplied from the outside, a part of the material to be dried Y previously stored is pushed out and discharged.
  • a plurality of dividing walls 5b are erected at the bottom of the chamber 5a, and a plurality of dividing walls 5b are provided such that the wall surfaces face each other.
  • dividing wall 5b there are provided a first dividing wall 5b1 having an opening at the lower part, and a second dividing wall 5b2 having no opening and having a height smaller than that of the first dividing wall 5b1. They are alternately arranged in the chamber 5a.
  • the heat transfer tube 5 c has an inlet end connected to the steam drum 3 and an outlet end connected to the heat transfer medium circulating unit 7.
  • a heat transfer medium X which exchanges heat with the material to be dried Y in the chamber 5a, flows through the heat transfer tube 5c.
  • the material to be dried Y is exchanged by heat exchange between the material to be dried Y flowing with the fluidizing gas Z supplied from the fluidizing gas supply device 6 and the heat transfer medium X flowing through the heat transfer tube 5c. dry.
  • the to-be-dried material Y dried by such a drying furnace 5 is a solid fuel used as fuels, such as a pulverized coal boiler not shown, and contains much moisture (for example, water content is 20% or more).
  • a solid fuel used as fuels such as a pulverized coal boiler not shown
  • it is powdered lignite and biomass, for example.
  • a fluid medium such as sand may be stored inside the chamber 5a in order to enhance the fluidity in the chamber 5a. The fluid medium is separated from the material to be dried Y after being discharged from the chamber 5a, and returned again into the chamber 5a.
  • the fluidizing gas supply device 6 includes a circulation pipe 6a, an inert gas generator 6b, a blower 6c, a heat exchanger 6d, and a cooler 6e.
  • the circulation pipe 6a is a pipe that is branched at one end to be connected to the bottom of the chamber 5a and connected at the other end to the ceiling of the chamber 5a and serves as a flow path for the fluidizing gas Z. Note that one end side of the circulation pipe 6a is connected to the bottom of the chamber 5a such that each branch end is connected to each region of the chamber 5a divided by the dividing wall 5b.
  • the inert gas generator 6 b generates nitrogen gas (inert gas) used as fluid gas from, for example, the atmosphere, and is connected to the circulation pipe 6 a.
  • the blower 6c is provided at an intermediate position of the circulation pipe 6a, and pumps the fluidizing gas Z.
  • the blower 6c pumps the fluidizing gas Z toward one end side (a side connected to the bottom of the chamber 5a) of the circulation pipe 6a so that the fluidizing gas Z is supplied upward from the bottom of the chamber 5a. Do.
  • the fluidizing gas Z is supplied from the one end side (the side connected to the bottom of the chamber 5a) of the circulation pipe 6a into the chamber 5a, and the other end side of the circulation pipe 6a (the ceiling portion of the chamber 5a)
  • the fluidization gas Z inside the chamber 5a is recovered from the side).
  • the heat exchanger 6d is disposed in the middle of the circulation pipe 6a and downstream of the blower 6c.
  • the heat exchanger 6 d exchanges heat between a heat transfer medium X flowing through a return flow pipe 7 a (described later) included in the heat transfer medium circulating unit 7 and the fluidizing gas Z flowing through the circulation pipe 6 a.
  • the heat transfer medium X and the fluidizing gas Z exchange heat, so that the fluidizing gas Z is heated before being supplied to the drying furnace 5, and the fluidizing gas Z causes the chamber 5a to be heated. It is possible to prevent the temperature inside from falling.
  • the cooler 6e is disposed in the middle of the circulation pipe 6a and on the upstream side of the blower 6c.
  • the cooler 6e cools the fluidizing gas Z in order to condense and separate the water contained in the fluidizing gas Z heated by passing through the inside of the chamber 5a.
  • the fluidizing gas Z that has been dried is supplied to the blower 6c and the like, and the occurrence of condensation in the blower 6c and the like can be prevented.
  • the material to be dried Y stored in the chamber 5a flows. Thereby, heat exchange between the material to be dried Y and the heat transfer medium X is promoted, and the material to be dried Y can be dried in a short time.
  • the heat transfer medium circulating unit 7 includes a return flow piping 7a, a condenser 7b, a water supply pump 7c, a water supply preheater 7d, and a steam drum connection piping 7e.
  • the return flow piping 7 a is a piping that connects the drying furnace 5 and the solar heat collector 2 and returns the heat transfer medium X discharged from the drying furnace 5 back to the solar heat collector 2 again. As shown in FIG. 1, the return flow pipe 7a passes through the heat exchanger 6d, whereby the heat transfer medium X flowing through the return flow pipe 7a and the fluidizing gas Z flowing through the circulation pipe 6a are thermal The amount of heat of the heat transfer medium X is transferred to the fluidizing gas Z.
  • the condenser 7b is disposed in the middle of the return pipe 7a and downstream of the heat exchanger 6d, and cools and liquefies the heat transfer medium X, which is a vapor, by heat exchange with the atmosphere, for example.
  • the feed water pump 7c is disposed further downstream of the condenser 7b, and pumps the heat transfer medium X liquefied by the condenser 7b toward the solar collector 2.
  • the feed water preheater 7d is disposed further downstream of the feed pump 7c, and exchanges heat between the heat transfer medium X discharged from the feed pump 7c and the heat transfer medium X on the upstream side of the condenser 7b. , Preheat the heat transfer medium X supplied to the solar collector 2.
  • the steam drum connection pipe 7 e is a pipe that connects the bottom of the steam drum 3 and the return flow pipe 7 a, and condenses the heat transfer medium X of the liquid accumulated at the bottom of the steam drum 3 without passing through the drying furnace 5. It guides to the upper stream side of vessel 7b.
  • a port (not shown) for additionally supplying the heat transfer medium X to the return flow pipe 7a is provided on the upstream side of the water supply pump 7c. For example, the port may be used to compensate for the decrease in the heat transfer medium X The heat transfer medium X is additionally supplied to the return flow pipe 7a.
  • the control device 8 controls the entire drying system 1 of the present embodiment, and controls, for example, the auxiliary boiler 4, the inert gas generator 6b, the blower 6c, and the water supply pump 7c.
  • the operation period of the auxiliary boiler 4 is defined under the control of the control device 8 as described above.
  • the auxiliary boiler 4 is operated only before and after sunrise time, is operated only before and after sunset time, and is operated before and after sunrise time and before and after sunset time.
  • a valve is provided at a suitable position. The flow rates of the heat transfer medium X and the fluidizing gas Z are adjusted by adjusting the opening degree of these valves by control of the control device 8 or the like.
  • drying system 1 of this embodiment constituted in this way is explained.
  • the material to be dried Y is continuously supplied in a constant amount to the chamber 5 a of the drying furnace 5.
  • the fluidizing gas Z (inert gas) is supplied from the inert gas generator 6b to the circulation piping 6a, and the blower 6c is driven to fluidize the circulation piping 6a.
  • the gas Z is pumped toward the drying furnace 5.
  • the fluidizing gas Z supplied to the drying furnace 5 is preheated in the heat exchanger 6d, and then supplied from the bottom of the chamber 5a to the inside of the chamber 5a.
  • the material to be dried Y in the chamber 5a is fluidized by supplying the fluidization gas Z from the bottom of the chamber 5a.
  • the fluidizing gas Z in the chamber 5a is recovered from the upper portion of the chamber 5a to the circulation pipe 6a, water is removed by the cooler 6e, and then pressure-fed again by the blower 6c.
  • the heat transfer medium X supplied to the heat transfer tube 5c inserted into the chamber 5a is supplied, the heat transfer medium X inside the heat transfer tube 5c and the material to be dried Y outside the heat transfer tube 5c
  • the object to be dried Y is heated by heat exchange.
  • the moisture contained in the material to be dried Y evaporates, and the material to be dried Y is dried.
  • the dried material to be dried Y is discharged to the outside of the chamber 5a by being pushed by the new material to be dried Y supplied to the chamber 5a continuously.
  • the water evaporated from the material to be dried Y is recovered along with the fluidizing gas Z in the circulation pipe 6a.
  • the heat transfer medium X flowing into the return flow pipe 7a passes through the heat exchanger 6d, passes through the feed water preheater 7d, and is returned to liquid by being cooled by the condenser 7b.
  • the heat transfer medium X that has become liquid is pumped toward the solar collector 2 by the water supply pump 7c.
  • the heat transfer medium X pumped by the feed water pump 7 c is preheated in the feed water preheater 7 d and then supplied to the solar collector 2 again.
  • the auxiliary boiler 4 is operated only before and after the sunrise time, only before and after the sunset time, or before and after the sunrise time and before and after the sunset time.
  • steam heat transfer medium X
  • the steam thus supplied from the auxiliary boiler 4 to the steam drum 3 is mixed with the steam (heat transfer medium X) supplied from the solar collector 2 to the steam drum 3 and used.
  • FIG. 3 is an explanatory view of the case where the auxiliary boiler 4 is operated only before and after the sunrise time in the drying system 1 of the present embodiment.
  • FIG. 4 is explanatory drawing in the case where the auxiliary
  • FIG. 5 is an explanatory view of the case where the auxiliary boiler 4 is operated before and after the sunrise time and before and after the sunset time in the drying system 1 of the present embodiment.
  • a graph showing the relationship between the time and the temperature of the heat transfer medium X in the steam drum 3 is shown at the top, but in this graph, the relationship between the time and energy obtained from the sun is shown for reference. The graph shown is superimposed and shown.
  • the operation of the auxiliary boiler 4 is started before the sunrise. Since the heat transfer medium X can not be heated by the solar collector 2 at the time before sunrise, even if steam is supplied to the steam drum 3 from the auxiliary boiler 4 supplementarily, the solar collector 2 side The temperature of the heat transfer medium X supplied to the steam drum 3 via the collecting pipe 2f is low, and the temperature of the heat transfer medium X in the entire steam drum 3 does not reach the boiling point.
  • the drying system 1 of the present embodiment performs the preheating operation until the temperature of the heat transfer medium X in the steam drum 3 reaches the boiling point.
  • This preheating operation is an operation performed in a state in which the material to be dried Y is not supplied to the drying furnace 5, and is an operation in which the temperature of the heat transfer medium X is gradually raised toward the boiling point.
  • the preheating operation is performed either in a state in which the material to be dried Y is not stored in the drying furnace 5 or in a state in which the material to be dried Y whose drying is not completed on the previous day is stored in the drying furnace 5.
  • the heat transfer medium X is gradually heated by the operation of the auxiliary boiler 4 (including heating by the solar collector 2 after sunrise).
  • the heat transfer medium X is heated by the solar collector 2 and the temperature of the heat transfer medium X in the steam drum 3 rises sharply to the boiling point .
  • the auxiliary boiler 4 is stopped, the material to be dried Y is put into the drying furnace 5, and the drying operation to dry the material to be dried Y is performed.
  • the temperature of the heat transfer medium X falls below the boiling point, so at this point the supply of the material to be dried Y to the drying furnace is stopped and the drying operation is stopped.
  • the cooling operation is performed until the sunset time.
  • this cooling operation for example, by directing the solar collector 2 in a direction different from that of the sun, the heat transfer medium X is not heated by the solar collector 2, and the drying furnace 5 by the fluidizing gas supply device 6 is Continue to supply the fluidization gas Z.
  • the to-be-dried material Y is stirred without being heated, and the temperature inside the drying furnace 5 is rapidly lowered.
  • the cooling operation is ended, and the drying system 1 of the present embodiment is stopped until the operation restarts the next day.
  • the heat transfer medium X is heated by the solar collector 2 after the sunrise, so as indicated by the dashed dotted line in FIG.
  • the time for the heat transfer medium X to reach the boiling point is delayed. Therefore, by operating the auxiliary boiler 4 before and after the sunrise time, it is possible to advance the start timing of the drying operable period, and it is possible to dry the object to be dried Y in a longer period.
  • the decrease in the temperature of the heat transfer medium X can be suppressed. Therefore, the temperature of the heat transfer medium X can be maintained at the boiling point for a while even after the sunset time, and the drying of the material to be dried Y can be continued. In this way, by operating the auxiliary boiler 4 before and after the sunset time, it is possible to extend the drying operable period to after the sunset time as shown in FIG. It is possible to dry the
  • the temperature of the heat transfer medium X can not be maintained at the boiling point by the solar collector 2 alone before and after sunset time, but the heat transfer medium X is warmed by the daytime operation There is. Therefore, the input energy for maintaining the temperature of the heat transfer medium X at the boiling point by using the auxiliary boiler 4 can be reduced compared to the case where the auxiliary boiler 4 is operated before and after sunrise. Therefore, when the auxiliary boiler 4 is operated before and after the sunset time, it is possible to extend the dry operation possible period with a smaller amount of fuel before and after sunrise, than when operating the auxiliary boiler 4.
  • the start timing of the drying operation possible period is advanced, and the drying operation possible period is sunset. It is possible to extend until after the time. In such a case, more fuel is required as compared to the case where the auxiliary boiler 4 is operated only before and after the sunrise time and the case where the auxiliary boiler 4 is operated only before and after the sunset time, but the longest The drying operable period can be secured. For this reason, for example, the operation time of the factory where the drying system 1 of the present embodiment is installed is long, and it is a useful operation pattern when it is desired to operate the drying system 1 for a long time according to the operation time.
  • a configuration including a plurality of solar heat collectors 2 for heating the heat transfer medium X is employed. Therefore, by installing a number of solar collectors capable of collecting the energy necessary to dry the material to be dried Y, it is possible to dry the material to be dried Y, and a huge tower or a reflection mirror is provided. It is possible to dry using solar heat without installing Further, compared to the amount of heat required to gasify a solid fuel such as coal, the amount of heat required for drying can be reduced, so in the drying system 1 of the present embodiment, a large number of gasification facilities are required.
  • the heat transfer medium X is heated by solar heat instead of directly heating the material to be dried Y by the solar heat collected by the solar collector 2, and this heat transfer medium A configuration is employed in which the object to be dried Y is heated by X. Therefore, the temperature of the object to be dried Y can be easily adjusted by adjusting the physical properties (for example, saturated vapor temperature) of the heat transfer medium X, the flow velocity of the heat transfer medium X at the time of heat exchange, and the like. For example, in the drying system 1 of the present embodiment, since water is used as the heat transfer medium X, the temperature of the material to be dried Y can be prevented from becoming higher than the saturation temperature of water.
  • the piping or the like through which the heat transfer medium X flows is a closed space, and the inside of the space is pressurized by vaporizing the heat transfer medium X. Therefore, in the drying system 1 of the present embodiment, the saturation temperature of the heat transfer medium X is, for example, about 160 ° C. to 170 ° C.
  • the consumption of fuel used for drying can be suppressed by using solar heat. Moreover, the enlargement of the equipment can be suppressed. Furthermore, it becomes possible to adjust the temperature of the material to be dried Y to a temperature suitable for drying.
  • the heat transfer medium X which is disposed between the solar collector 2 and the drying furnace 5 and is vaporized by being heated by the solar collector 2 is temporarily used.
  • the steam drum 3 stored in the Therefore even if there is a variation in the heating performance of each solar collector 2 due to, for example, the arrangement or individual differences and there is a difference in the ability to generate steam, all the steam is collected on the steam drum 3 once, Since the steam drum 3 is supplied to the drying furnace 5, the heat transfer medium X can be stably supplied to the drying furnace 5 at all times. Further, even if the sun is temporarily hidden in the cloud and the solar collector 2 can not sufficiently generate steam, for example, because a certain amount of steam is accumulated inside the steam drum 3, the drying furnace 5 is not The supply of steam can be continued.
  • the control apparatus 8 operates the auxiliary boiler 4 according to at least one of sunrise time and sunset time. Therefore, as described above with reference to FIGS. 4 to 6, it is possible to secure a longer drying operation possible period as compared to the case where the auxiliary boiler 4 is not used.
  • the low pressure turbine extraction unit 14 includes an extraction pipe 14 a and an on-off valve 12 b.
  • the bleed pipe 12 a is connected to the low pressure turbine 102 c and guides the steam extracted from the low pressure turbine 102 c toward the heat transfer pipe 5 c of the drying furnace 5.
  • the on-off valve 14b is disposed at an intermediate position of the bleed pipe 14a, and opens and closes the flow path formed by the bleed pipe 14a.
  • the on-off valve 14 b is controlled by, for example, the control device 8.
  • Such a low pressure turbine extraction unit 14 extracts steam from the low pressure turbine 102 c and supplies the steam to the heat transfer pipe 5 c of the drying furnace 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • Microbiology (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

La présente invention comprend : une pluralité de collecteurs de chaleur solaire (2) qui chauffent un agent de transfert de chaleur (X) au moyen de la chaleur solaire ; et un four de séchage (5) qui sèche un objet à sécher (Y) par échange de chaleur entre l'objet à sécher (Y) et l'agent de transfert de chaleur (X) qui a été chauffé par les collecteurs solaires (2).
PCT/JP2015/079169 2014-11-26 2015-10-15 Système de séchage WO2016084509A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2015351701A AU2015351701B2 (en) 2014-11-26 2015-10-15 Drying system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-238922 2014-11-26
JP2014238922A JP6520076B2 (ja) 2014-11-26 2014-11-26 乾燥システム

Publications (1)

Publication Number Publication Date
WO2016084509A1 true WO2016084509A1 (fr) 2016-06-02

Family

ID=56074087

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/079169 WO2016084509A1 (fr) 2014-11-26 2015-10-15 Système de séchage

Country Status (3)

Country Link
JP (1) JP6520076B2 (fr)
AU (1) AU2015351701B2 (fr)
WO (1) WO2016084509A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6972570B2 (ja) * 2017-02-15 2021-11-24 株式会社Ihi 乾燥装置及びボイラシステム
WO2020145106A1 (fr) * 2019-01-07 2020-07-16 株式会社Ihi Dispositif d'alimentation en vapeur et système de séchage

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3179469U (ja) * 2012-08-23 2012-11-01 健司 福宮 乾燥システム
JP2013103201A (ja) * 2011-11-16 2013-05-30 Ers Supply Kk 有機系の廃棄物及び排水の総合処理システム
JP2013190144A (ja) * 2012-03-13 2013-09-26 Tsukishima Kikai Co Ltd 加熱処理設備及び方法
JP2013210179A (ja) * 2012-02-28 2013-10-10 Mitsubishi Heavy Ind Ltd 湿潤燃料の減圧乾燥装置
JP2013217588A (ja) * 2012-04-10 2013-10-24 Hitachi Ltd 低品位炭の乾燥方法および低品位炭を燃料とする火力発電プラント
JP2014070847A (ja) * 2012-10-01 2014-04-21 Masatoshi Kudome 動力発生設備
JP2014149092A (ja) * 2013-01-30 2014-08-21 Mitsubishi Heavy Ind Ltd 伝熱管、伝熱管ユニット及びこれを備える流動層乾燥装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912281A (ja) * 1982-07-12 1984-01-21 中部クリエ−ト工業株式会社 太陽熱による農産物の乾燥装置
JP5800490B2 (ja) * 2010-11-02 2015-10-28 パーパス株式会社 熱源装置、熱源制御方法及び熱源制御プログラム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013103201A (ja) * 2011-11-16 2013-05-30 Ers Supply Kk 有機系の廃棄物及び排水の総合処理システム
JP2013210179A (ja) * 2012-02-28 2013-10-10 Mitsubishi Heavy Ind Ltd 湿潤燃料の減圧乾燥装置
JP2013190144A (ja) * 2012-03-13 2013-09-26 Tsukishima Kikai Co Ltd 加熱処理設備及び方法
JP2013217588A (ja) * 2012-04-10 2013-10-24 Hitachi Ltd 低品位炭の乾燥方法および低品位炭を燃料とする火力発電プラント
JP3179469U (ja) * 2012-08-23 2012-11-01 健司 福宮 乾燥システム
JP2014070847A (ja) * 2012-10-01 2014-04-21 Masatoshi Kudome 動力発生設備
JP2014149092A (ja) * 2013-01-30 2014-08-21 Mitsubishi Heavy Ind Ltd 伝熱管、伝熱管ユニット及びこれを備える流動層乾燥装置

Also Published As

Publication number Publication date
JP6520076B2 (ja) 2019-05-29
AU2015351701B2 (en) 2018-08-02
AU2015351701A1 (en) 2017-02-02
JP2016099099A (ja) 2016-05-30

Similar Documents

Publication Publication Date Title
JP5596715B2 (ja) 太陽熱複合発電システム及び太陽熱複合発電方法
US10072530B2 (en) Hybrid power generation system using solar energy and bioenergy
JP5399565B2 (ja) 太陽熱利用コンバインドサイクル発電プラント
Rashid et al. Dynamic simulation, control, and performance evaluation of a synergistic solar and natural gas hybrid power plant
Wu et al. Performance improvement of coal-fired power generation system integrating solar to preheat feedwater and reheated steam
US20090260359A1 (en) Solar thermal power plant
EP2561226A2 (fr) Centrale électrique thermique solaire
JP5707546B2 (ja) 太陽熱利用ボイラシステム
Li et al. Coupling performance analysis of a solar aided coal-fired power plant
WO2013098945A1 (fr) Appareil de production d'énergie solaire thermique
JP2014514525A (ja) 工業プロセスで用いる蒸気を生成するための方法及び機器
CN104896764A (zh) 一种太阳能热发电方法及装置
JP6520076B2 (ja) 乾燥システム
JP5534427B2 (ja) 太陽熱利用廃棄物発電装置
US9194377B2 (en) Auxiliary steam supply system in solar power plants
CN102966495A (zh) 一种塔式太阳能-蒸汽燃气联合循环发电系统
CN103423110A (zh) 蒸汽兰金循环太阳能装置以及运行该装置的方法
US20140026571A1 (en) Hermetically sealed solar water heater system and operation method for generation of electricity from thermal power plant
CN105247208B (zh) 具有蓄热器的太阳能集热器厂
CN102003696B (zh) 分级腔体式太阳能吸热器以及换热系统
CN105154138A (zh) 一种太阳能气化与发电混合系统
CN102168661B (zh) 复合能源太阳能高温热发电系统
US20110162361A1 (en) Method of superheating team
EP3055562B1 (fr) Procédé de chauffage contrôlé d'un fluide de traitement par le biais d'une centrale solaire thermique à concentration et d'un système caloporteur et appareil associé
WO2013038563A1 (fr) Installation de production d'énergie thermique solaire, procédé de production d'énergie thermique solaire, dispositif d'alimentation en milieu caloporteur et dispositif de chauffage de milieu caloporteur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15863455

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2015351701

Country of ref document: AU

Date of ref document: 20151015

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15863455

Country of ref document: EP

Kind code of ref document: A1