WO2015012147A1 - 分離方法及び分離装置 - Google Patents
分離方法及び分離装置 Download PDFInfo
- Publication number
- WO2015012147A1 WO2015012147A1 PCT/JP2014/068716 JP2014068716W WO2015012147A1 WO 2015012147 A1 WO2015012147 A1 WO 2015012147A1 JP 2014068716 W JP2014068716 W JP 2014068716W WO 2015012147 A1 WO2015012147 A1 WO 2015012147A1
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- WIPO (PCT)
- Prior art keywords
- absorption
- target component
- regeneration
- raw material
- gas
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1425—Regeneration of liquid absorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1456—Removing acid components
- B01D53/1475—Removing carbon dioxide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Definitions
- the present invention relates to a separation method and a separation apparatus for separating a target component from a mixed gas.
- Patent Document 1 discloses an example of such a separation method.
- Patent Document 1 discloses a method for separating and recovering carbon dioxide as a target component from exhaust gas as a mixed gas.
- Patent Document 1 discloses, as a separation apparatus for carrying out the separation and recovery method, an absorption tower for absorbing carbon dioxide in exhaust gas into an absorption liquid, and carbon dioxide from an absorption liquid that has absorbed carbon dioxide in the absorption tower.
- a carbon dioxide recovery device is shown that includes a regeneration tower for separating and recovering the water and regenerating the absorbent to a fresh state. In the absorption tower, the carbon dioxide in the exhaust gas is absorbed by the absorption liquid by bringing the exhaust gas into contact with the absorption liquid.
- the absorption liquid that has absorbed carbon dioxide in the absorption tower is heated in the regeneration tower to dissipate and separate carbon dioxide from the absorption liquid, thereby regenerating the absorption liquid. And the process of using this regenerated absorption liquid again for absorption of the carbon dioxide in an absorption tower is performed repeatedly.
- An object of the present invention is to prevent the enlargement of the separation device while reducing the energy consumption and increasing the absorption efficiency of the target component in the absorption process.
- the separation method includes an absorption device that absorbs the target component from a source gas that is a mixed gas containing the target component as a separation target, and an absorption that absorbs the target component in the absorption device.
- a separation method for separating the target component from a raw material gas using a separation device comprising a regenerator that dissipates the target component from the liquid and regenerates the absorption liquid.
- An absorption step in which the absorption liquid is brought into contact with each other to absorb the target component in the raw material gas, and the absorption liquid that has absorbed the target component in the absorption step is heated in the regeneration device to absorb the absorption component.
- a regeneration process for regenerating the absorption liquid by dissipating the target component from the liquid, and a mixed fluid of the gas of the target component diffused in the regeneration process and the regenerated absorption liquid A post-regeneration separation step for separating the target component gas and an absorption liquid, and a compression step for compressing the raw material gas so that compression heat is generated in the raw material gas prior to the absorption step and the regeneration step,
- the absorption liquid is heated by supplying the raw material gas compressed in the compression step to the regeneration device and exchanging heat with the absorption liquid.
- the raw material gas is compressed in the compression step.
- the raw material gas that has undergone heat exchange with the absorbent in the regenerator is supplied to the absorbent as a raw material gas that causes the absorbent to absorb the target component.
- a separation device is a separation device that separates the target component from a raw material gas that is a mixed gas containing the target component as a separation target, and the introduced raw material gas and the absorbing liquid are mutually separated.
- the mixed fluid of the gas of the target component diffused in the regenerator and the regenerated absorbent is connected to the regenerator so that the mixed fluid is introduced from the regenerator, and the introduced mixed fluid is used as the target component.
- a regeneration side separator that separates the gas into an absorption liquid and a compressor that compresses the raw material gas so that heat of compression is generated in the raw material gas.
- a regenerator that is connected to the absorption device so that an absorption liquid that has absorbed the target component is introduced from the absorption device, regenerates the absorption liquid by dissipating the target component from the introduced absorption liquid, and
- the raw material gas compressed by the compressor is connected to the compressor so that the raw material gas is introduced from the compressor, and the introduced raw material gas is heat-exchanged with the absorbing liquid introduced into the regeneration unit.
- a regenerator temperature control unit that heats the absorbent introduced into the regenerator, and after the absorber is compressed by the compressor, heat exchange with the absorbent is performed in the regenerator temperature controller.
- the raw material gas is connected to the regenerator temperature control unit so as to be introduced into the absorber.
- FIG. 1st temperature control plate which comprises the laminated body of the absorber shown in FIG.
- absorber 2nd temperature control plate which comprises the laminated body of the absorber shown in FIG.
- regeneration plate which comprises the laminated body of the reproducing
- FIG. 1 It is a top view of the reproduction
- FIG. 1 shows the overall configuration of the separation apparatus 1 according to the present embodiment.
- the separation device 1 includes an absorption device 2, a regeneration device 4, an absorption side separator 6, a regeneration side separator 8, an absorption side pump 10, a regeneration side pump 12, a heat The exchanger 14, the compressor 16, and the expander 18 are provided.
- the absorption device 2 is a device in which a raw material gas, which is a mixed gas, and an absorbing liquid are brought into contact with each other and a target component gas as a separation target in the raw material gas is absorbed by the absorbing liquid.
- the absorption device 2 includes an absorption unit 22 where an absorption process of a target component in a raw material gas is performed, and an absorption device temperature control unit 24 for adjusting the temperature of the raw material gas and the absorption liquid flowing in the absorption unit 22. And have.
- the absorption unit 22 and the absorption device temperature control unit 24 of the absorption device 2 are schematically illustrated, but the absorption device 2 specifically has a structure as illustrated in FIG. 2. That is, the absorption device 2 includes a stacked body 20 including a large number of stacked plates 19.
- the absorber 22 and the absorber temperature controller 24 are formed by a large number of channels provided in the laminate 20.
- the multiple plates 19 forming the stacked body 20 include a plurality of absorption plates 19a, a plurality of absorption device first temperature adjustment plates 19b, and a plurality of absorption device second temperature adjustment plates 19c.
- the absorption device first temperature control plate 19b is simply referred to as a first temperature control plate 19b.
- the absorber 2nd temperature control plate 19c is only called the 2nd temperature control plate 19c.
- the absorption part 22 has the some absorption flow path 22a (refer FIG. 3) provided in each absorption plate 19a.
- the absorption device temperature adjustment unit 24 includes a plurality of absorption device first temperature adjustment flow paths 23a (see FIG.
- each absorption channel 22a, each first temperature control channel 23a, and each second temperature control channel 24a are so-called microchannels (fine channels).
- the first temperature control plate 19b, the second temperature control plate 19c, and the absorption plate 19a are repeatedly stacked in this order. That is, the first temperature control plate 19b as a first temperature control channel layer in which a plurality of first temperature control channels 23a are arranged, and the second temperature control flow in which a plurality of second temperature control channels 24a are arranged.
- the second temperature control plate 19c as a road layer and the absorption plate 19a as an absorption flow path layer in which a plurality of absorption flow paths 22a are arranged are arranged in the stacked body 20 so as to be repeatedly arranged in this order.
- the absorption plate 19a is an example of the absorption flow path layer in the present invention
- the first temperature control plate 19b and the second temperature control plate 19c are examples of the temperature control flow path layer in the present invention.
- a plurality of grooves 22b arranged in the surface direction are formed on one surface in the thickness direction of each absorption plate 19a.
- Each groove 22b has a start end on one side of the four sides of the absorption plate 19a.
- Each groove 22b has a meandering shape extending while being repeatedly folded from its starting end.
- Each groove 22b has an end on the opposite side of the side of the absorption plate 19a provided with the start end.
- a plurality of grooves 22c corresponding to the plurality of grooves 22b on one surface side are formed on the other surface, which is the surface opposite to the one surface of each absorbing plate 19a.
- each groove 22c is provided on the opposite side of the side of the absorption plate 19a where the start end of each groove 22b is provided.
- Each groove 22c extends from the side of the absorption plate 19a provided with the start end to the opposite side so as to overlap a portion extending linearly from the start end of the corresponding groove 22b.
- a through hole 22d that penetrates the absorbing plate 19a in the thickness direction and is connected to the corresponding groove 22b is provided at the end position of each groove 22c. And the opening of each groove
- each groove 22c and the opening of each through hole 22d formed on the other surface of each absorption plate 19a are sealed by other plates stacked on the other surface.
- each absorption flow path 22a is formed by each groove
- the portion corresponding to the starting end of the groove 22b in each absorption flow path 22a is an inlet 22e for the raw material gas of the absorption flow path 22a.
- a portion corresponding to the starting end of the groove 22c in each absorption channel 22a is an inlet 22f for absorbing liquid in the absorption channel 22a.
- a portion corresponding to the end of the groove 22b in each absorption channel 22a is an outlet 22g of the absorption channel 22a.
- each groove 23b has a start end at a position near the inlet 22e on a side orthogonal to the side of the four sides of the first temperature control plate 19b where the inlet 22e for the source gas of the absorption flow path 22a is provided.
- Each groove 23b has a meandering shape extending from its starting end in a direction orthogonal to the groove 22b and repeatedly being folded back.
- Each groove 23b has an end on the opposite side of the side of the first temperature control plate 19b provided with the start end.
- channel 23b formed in one surface of each 1st temperature control plate 19b is sealed by the other plate laminated
- the first temperature control flow paths 23a are formed by the grooves 23b in which the openings are sealed.
- a portion corresponding to the end of the groove 23b in each first temperature control channel 23a is an inlet 23c of the first temperature control channel 23a.
- a portion corresponding to the start end of the groove 23b in each first temperature control channel 23a is an outlet 23d of the first temperature control channel 23a.
- each groove 24b has a start end on the side where the inlet 23c of the first temperature control channel 23a is provided among the four sides of the second temperature control plate 19c.
- Each groove 24b has a meandering shape extending from its starting end while being repeatedly folded in the same manner as the groove 23b.
- Each groove 24b has an end on the opposite side of the side of the second temperature control plate 19c provided with the start end.
- An opening of each groove 24b formed on one surface of each second temperature control plate 19c is sealed by another plate laminated on one surface thereof, so that a plurality of second temperature control channels 24a are formed. Is formed.
- a portion corresponding to the start end of the groove 24b in each second temperature control channel 24a is an inlet 24c of the second temperature control channel 24a.
- a portion corresponding to the end of the groove 24b in each second temperature control channel 24a is an outlet 24d of the second temperature control channel 24a.
- the absorption device 2 includes a raw material gas supply header 21a, an absorption liquid supply header 21b, a post-absorption mixed fluid discharge header 21c, and an absorption device first temperature control supply header 21d.
- the absorption device first temperature control discharge header 21e, the absorption device second temperature control supply header 21f, and the absorption device second temperature control discharge header 21g are provided.
- the mixed fluid discharge header 21c after absorption is simply referred to as a mixed fluid discharge header 21c.
- the absorber first temperature control supply header 21d is simply referred to as a first temperature control supply header 21d.
- the absorber 1st temperature control discharge header 21e is only called the 1st temperature control discharge header 21e.
- the absorber second temperature control supply header 21f is simply referred to as a second temperature control supply header 21f.
- the absorber second temperature control discharge header 21g is simply referred to as a second temperature control discharge header 21g.
- the source gas supply header 21a is for supplying source gas to each absorption channel 22a.
- the absorption liquid supply header 21b is for supplying the absorption liquid to each absorption flow path 22a.
- the mixed fluid discharge header 21c discharges the mixed fluid of the absorption liquid after absorbing the target component discharged from each absorption flow path 22a and the raw material gas after absorbing the target component as described later. belongs to.
- the first temperature control supply header 21d is for supplying the target component gas discharged from the expander 18 to each first temperature control flow path 23a as a temperature control fluid as described later.
- the first temperature control discharge header 21e is for collectively discharging the target component gases discharged from the first temperature control flow paths 23a.
- the second temperature adjustment supply header 21f is for supplying a cooling medium to each second temperature adjustment flow path 24a.
- the second temperature regulation discharge header 21g is for collectively discharging the cooling medium discharged from each second temperature regulation flow path 24a.
- the raw material gas supply header 21 a covers the raw material gas inlets 22 e of all the absorption flow paths 22 a on the side surface of the laminate 20 where the raw material gas inlets 22 e of the absorption flow paths 22 a are provided. It is attached.
- the absorption liquid supply header 21b covers the absorption liquid inlets 22f of all the absorption flow paths 22a on the side surface of the laminate 20 where the absorption liquid inlets 22f of the absorption flow paths 22a are provided. It is attached.
- the mixed fluid discharge header 21c is attached to the side surface of the laminate 20 where the outlets 22g of the absorption channels 22a are provided so as to cover the outlets 22g of all the absorption channels 22a as a whole.
- the first temperature control discharge header 21e covers the outlets 23d of all the first temperature control channels 23a on the side surface of the laminate 20 where the outlets 23d of the first temperature control channels 23a are provided. It is attached.
- the second temperature control supply header 21f covers the inlets 24c of all the second temperature control channels 24a entirely on the side surface of the laminate 20 where the inlets 24c of the second temperature control channels 24a are provided. It is attached.
- the 2nd temperature control discharge header 21g covers the exit 24d of all the 2nd temperature control flow paths 24a entirely on the side surface in the laminated body 20 in which the exit 24d of the 2nd temperature control flow path 24a was provided. It is attached.
- the absorber 2 is in such a posture that the side surface to which the first temperature control discharge header 21e and the second temperature control discharge header 21g are attached faces downward and the side surface opposite to the side surface faces upward. is set up.
- the raw material gas and the absorption liquid are introduced into the respective absorption flow paths 22a and merge at the through holes 22d. Then, the mixed fluid of the raw material gas and the absorption liquid generally flows from the raw material gas to the absorption liquid while flowing in the respective absorption passages 22a from the lower part to the upper part of the absorption part 22 (laminated body 20). Is to be absorbed.
- absorption heat is generated by absorption of the target component.
- the target component gas discharged from the expander 18 is introduced into the first temperature control flow path 23a, and a low-temperature cooling medium is supplied to the second temperature control flow path 24a. be introduced.
- the target component gas introduced into the first temperature control channel 23a exchanges heat with the mixed fluid flowing through the absorption channel 22a while flowing through the first temperature control channel 23a.
- the cooling medium introduced into the second temperature control channel 24a exchanges heat with the mixed fluid flowing through the absorption channel 22a while flowing through the second temperature control channel 24a.
- the absorption heat is removed by such heat exchange. And by such heat removal, the temperature of the mixed fluid which flows through the absorption flow path 22a is adjusted to a temperature suitable for absorption of the target component.
- the regenerating device 4 (see FIG. 1) is a device that regenerates the absorbing liquid into a state in which the content of the target component is low by diffusing the target component from the absorbing liquid after the target component is absorbed by the absorbing apparatus 2.
- the regenerating device 4 is a device that diffuses the target component from the absorbent and reduces the concentration of the target component in the absorbent.
- the regeneration device 4 includes a regeneration unit 26 in which a regeneration process for regenerating the absorbent by dissipating the target component from the absorbent is performed, and a regeneration device temperature control unit for adjusting the temperature of the absorbent flowing in the regeneration unit 26. 28.
- the reproduction unit 26 and the reproduction device temperature adjustment unit 28 are schematically illustrated.
- the regenerator 4 has a laminated body composed of a large number of stacked plates, like the absorber 2, and the regenerator 26 and the regenerator temperature control unit are provided by a large number of flow paths provided in the laminated body. 28 is formed.
- the multiple plates forming the stacked body of the reproduction device 4 include a plurality of reproduction plates 25a (see FIG. 7), a plurality of reproduction device first temperature control plates 25b (see FIG. 8), and a plurality of reproductions.
- the apparatus 2nd temperature control plate 25c (refer FIG. 9) is contained.
- the regenerator first temperature control plate 25b is simply referred to as a first temperature control plate 25b.
- the regenerator second temperature control plate 25c is simply referred to as a second temperature control plate 25c.
- the regeneration unit 26 includes a plurality of regeneration channels 26a (see FIG. 7) provided in each regeneration plate 25a.
- the regenerator temperature control unit 28 includes a plurality of regenerator first temperature control flow paths 27a (see FIG.
- a regenerator second temperature control flow path 28a (see FIG. 9).
- the regeneration device first temperature control flow path 27a is simply referred to as a first temperature control flow path 27a.
- the regenerator second temperature control channel 28a is simply referred to as a second temperature control channel 28a.
- the 1st temperature control flow path 27a and the 2nd temperature control flow path 28a are examples of the reproducing
- Each regeneration channel 26a, each first temperature control channel 27a, and each second temperature control channel 28a are so-called microchannels (fine channels).
- regeneration plate 25a are laminated
- a second temperature control plate 25c as a road layer and a regeneration plate 25a as a regeneration channel layer in which a plurality of regeneration channels 26a are arranged are arranged so as to be repeatedly arranged in this order in the stacked body of the regeneration device 4. Yes.
- the regeneration plate 25a is an example of the regeneration channel layer in the present invention, and the first temperature control plate 25b and the second temperature control plate 25c are examples of the temperature control channel layer in the present invention.
- each groove 26b has a starting end on one side of the four sides of the reproduction plate 25a.
- Each groove 26b has a meandering shape extending while being repeatedly folded from its starting end.
- Each groove 26b has an end on the opposite side of the side of the reproduction plate 25a provided with the start end.
- regeneration plate 25a is sealed by the other plate laminated
- Each regeneration channel 26a is formed by each groove 26b in which the opening is sealed.
- a portion corresponding to the start end of the groove 26b in each regeneration channel 26a is an inlet 26c of the regeneration channel 26a.
- a portion corresponding to the end of the groove 26b in each regeneration channel 26a is an outlet 26d of the regeneration channel 26a.
- each groove 27b has a start end at a position near the inlet 26c on a side orthogonal to the side on which the inlet 26c of the regeneration channel 26a is provided among the four sides of the first temperature control plate 25b.
- Each groove 27b has a meandering shape extending from its starting end in a direction orthogonal to the groove 26b and extending repeatedly while being folded back.
- Each groove 27b has an end on the opposite side of the side of the first temperature control plate 25b provided with the start end.
- each first temperature control flow path 27a is formed by each groove 27b in which the opening is sealed.
- a portion corresponding to the end of the groove 27b in each first temperature control flow path 27a is an inlet 27c of the first temperature control flow path 27a.
- a portion corresponding to the end of the groove 27b in each first temperature control channel 27a is an outlet 27d of the first temperature control channel 27a.
- each groove 28b has a start end on the side where the inlet 27c of the first temperature control flow path 27a is provided among the four sides of the second temperature control plate 25c.
- Each groove 28b has a meandering shape extending from its starting end while being repeatedly folded similarly to the groove 27b.
- Each groove 28b has an end on the opposite side of the side of the first temperature control plate 25b provided with the start end.
- the opening of each groove 28b formed on one surface of each second temperature control plate 25c is sealed by another plate laminated on the one surface.
- Each second temperature control flow path 28a is formed by each groove 28b in which the opening is sealed.
- a portion corresponding to the start end of the groove 28b in each second temperature control flow path 28a serves as an inlet 28c of the second temperature control flow path 28a.
- a portion corresponding to the end of the groove 28b in each second temperature control channel 28a is an outlet 28d of the second temperature control channel 28a.
- the regenerator 4 includes an after-absorption absorbent supply header 29a, a post-regeneration mixed fluid discharge header 29b, a regenerator first temperature control supply header 29c, a regenerator first temperature control discharge header 29d, and a regenerator first.
- a two-temperature control supply header 29e and a regeneration device second temperature control discharge header 29f are provided.
- the absorption liquid supply header 29a after absorption is simply referred to as an absorption liquid supply header 29a.
- the mixed fluid discharge header 29b after regeneration is simply referred to as a mixed fluid discharge header 29b.
- the playback device first temperature control supply header 29c is simply referred to as a first temperature control supply header 29c.
- the regeneration device first temperature control discharge header 29d is simply referred to as a first temperature control discharge header 29d.
- the reproduction device second temperature control supply header 29e is simply referred to as a second temperature control supply header 29e.
- the regeneration device second temperature control discharge header 29f is simply referred to as a second temperature control discharge header 29f.
- the absorption liquid supply header 29a is for supplying the absorption liquid after absorbing the target component from the raw material gas to the regenerating flow path 26a.
- the mixed fluid discharge header 29b is for collectively discharging the mixed fluid of the regenerated absorbent and the target component gas discharged from each regeneration channel 26a as will be described later.
- the first temperature control supply header 29c is for supplying the compressed raw material gas discharged from the compressor 16 to each first temperature control flow path 27a as a temperature control fluid as will be described later.
- the first temperature control discharge header 29d is for collectively discharging the source gases discharged from the first temperature control flow paths 27a.
- the 2nd temperature regulation supply header 29e is for supplying a heating medium to each 2nd temperature regulation flow path 28a.
- the second temperature adjustment discharge header 29f is for discharging the heating medium discharged from each second temperature adjustment flow path 28a together.
- the absorbent supply header 29a is attached to the side surface of the laminated body of the regeneration device 4 where the inlets 26c of the regeneration channels 26a are provided so as to entirely cover the inlets 26c of all the regeneration channels 26a.
- the mixed fluid discharge header 29b is attached to the side surface of the laminated body of the regenerator 4 where the outlets 26d of the regeneration channels 26a are provided so as to cover the outlets 26d of all the regeneration channels 26a as a whole.
- the first temperature control supply header 29c has the inlets 27c of all the first temperature control channels 27a as a whole on the side surface where the inlets 27c of the first temperature control channels 27a are provided in the stacked body of the regeneration device 4. It is attached to cover.
- the first temperature control discharge header 29d has all the outlets 27d of the first temperature control channels 27a on the side surface of the stack of the regeneration device 4 where the outlets 27d of the first temperature control channels 27a are provided. It is attached to cover.
- the second temperature control supply header 29e has the inlets 28c of all the second temperature control channels 28a as a whole on the side surface where the inlets 28c of the second temperature control channels 28a are provided in the stacked body of the regeneration device 4. It is attached to cover.
- the second temperature control discharge header 29f has all the outlets 28d of the second temperature control channels 28a on the side surface of the stack of the regeneration device 4 where the outlets 28d of the second temperature control channels 28a are provided. It is attached to cover.
- the first temperature control supply header 29c and the second temperature control discharge header 29f are arranged at the lower part of the regenerator 4, and the first temperature control discharge header 29d and the second temperature control supply header 29e are It is installed in such a posture as to be arranged at the upper part of the playback device 4.
- the absorption liquid after the target component is absorbed from the raw material gas by the absorption unit 22 is introduced into each regeneration channel 26a. Then, the introduced absorption liquid generally dissipates the target component while flowing through each regeneration channel 26a from the lower part to the upper part of the regeneration unit 26, and is regenerated to a state where the content rate of the target component is low. It has become.
- the regenerator temperature control unit 28 as will be described later, the compressed source gas discharged from the compressor 16 is introduced into the first temperature control flow path 27a, and a high-temperature heating medium (such as steam) is supplied to the second temperature control channel 28a. It introduce
- the raw material gas introduced into the first temperature control flow path 27a exchanges heat with the absorption liquid flowing through the regeneration flow path 26a while flowing through the first temperature control flow path 27a.
- the heating medium introduced into the second temperature control flow path 28a exchanges heat with the absorbent flowing through the regeneration flow path 26a while flowing through the second temperature control flow path 28a.
- the absorption liquid is heated by such heat exchange. By such heating, the temperature of the absorption liquid flowing through the regeneration channel 26a is adjusted to an appropriate temperature to dissipate the target component from the absorption liquid.
- the outlet 27d of the first temperature control channel 27a is a source gas inlet for each absorption channel 22a of the absorber 22 via the first temperature control discharge header 29d, piping, and the source gas supply header 21a of the absorber 2. 22e. For this reason, the raw material gas discharged from the first temperature control flow path 27 a of the regenerator temperature control section 28 is introduced into each absorption flow path 22 a of the absorption section 22.
- the absorption side separator 6 (see FIG. 1) is connected to the outlet 22g of each absorption flow path 22a of the absorption section 22 through the mixed fluid discharge header 21c and piping. From the outlet 22g of each absorption channel 22a, the mixed fluid of the absorption liquid after the target component is absorbed in each absorption channel 22a and the raw material gas after the target component is absorbed by the absorption liquid is discharged. The mixed fluid discharged from the outlet 22g is introduced into the absorption side separator 6.
- the absorption side separator 6 separates the mixed fluid introduced into the separator 6 into an absorption liquid and a raw material gas based on a difference in specific gravity between the two. As the absorption side separator 6, various known gas-liquid separators are used.
- a gas outlet is provided above the absorption side separator 6.
- the source gas separated in the separator 6 is discharged from this outlet.
- an outlet for absorbing liquid is provided in the lower part of the absorption side separator 6, an outlet for absorbing liquid is provided.
- the absorbing liquid separated in the separator 6 is discharged from this outlet.
- the absorption liquid outlet of the absorption side separator 6 is connected to the absorption side pump 10 via a pipe.
- the absorption-side pump 10 sends out the absorption liquid discharged from the absorption-side separator 6.
- the absorption-side pump 10 has a discharge unit that discharges the absorption liquid. This discharge part is connected to the heat exchanger 14.
- the regeneration-side separator 8 is connected to the outlet 26d of each regeneration channel 26a of the regeneration unit 26 via a mixed fluid discharge header 29b and a pipe. From the outlet 26d of each regeneration channel 26a, a mixed fluid of the absorbent regenerated in each regeneration channel 26a and the target component gas diffused from the absorbent in each regeneration channel 26a is discharged. The mixed fluid discharged from the outlet 26d is introduced into the regeneration side separator 8.
- the regeneration-side separator 8 separates the mixed fluid introduced into the separator 8 into an absorption liquid and a target component gas based on a difference in specific gravity between the two. As the regeneration side separator 8, various known gas-liquid separators are used. A gas outlet is provided at the top of the regeneration side separator 8.
- the target component gas separated in the separator 8 is discharged from the outlet.
- the gas outlet of the regeneration side separator 8 is connected to an inlet 42 of an expansion chamber 38 (to be described later) of the expander 18 through a pipe.
- an outlet for absorbing liquid is provided in the lower part of the regeneration side separator 8.
- the absorbing liquid separated in the separator 8 is discharged from this outlet.
- the outlet of the absorption liquid of the regeneration side separator 8 is connected to the regeneration side pump 12 via a pipe.
- the regeneration side pump 12 sends out the absorption liquid discharged from the regeneration side separator 8.
- the regeneration-side pump 12 has a discharge unit that discharges the absorbing liquid. This discharge part is connected to the heat exchanger 14.
- the heat exchanger 14 is an indirect heat exchanger.
- the heat exchanger 14 is between the absorption liquid discharged from the absorption side separator 6 and sent out by the absorption side pump 10 and the absorption liquid discharged from the regeneration side separator 8 and sent out by the regeneration side pump 12. Heat exchange. By this heat exchange, the absorption liquid discharged from the absorption side separator 6 is warmed to some extent, and the absorption liquid discharged from the regeneration side separator 8 is cooled to some extent.
- the flow path through which the absorption liquid from the absorption side separator 6 flows in the heat exchanger 14 is connected to the absorption liquid supply header 29a of the regenerator 4 through a pipe.
- the flow path through which the absorption liquid from the absorption side separator 6 of the heat exchanger 14 flows is connected to the inlet 26 c of each regeneration flow path 26 a of the regeneration section 26.
- the flow path through which the absorption liquid from the regeneration side separator 8 of the heat exchanger 14 flows is connected to the absorption liquid supply header 21b of the absorption device 2 through a pipe.
- the flow path in which the absorption liquid from the regeneration side separator 8 of the heat exchanger 14 flows is connected to the absorption liquid inlet 22 f of each absorption flow path 22 a of the absorption section 22.
- the compressor 16 is connected to a source gas supply source 20.
- the compressor 16 compresses the raw material gas supplied from the supply source 20.
- the compressor 16 has a discharge port for discharging the compressed material gas. This outlet is connected to the first temperature control supply header 29c of the reproducing device 4. Accordingly, the discharge port is connected to the inlet 27c of the first temperature control flow path 27a of the regenerator temperature control unit 28. Thereby, compression heat is generated by the compression in the compressor 16, and the heated source gas after compression is introduced into the first temperature adjustment flow path 27 a of the regenerator temperature adjustment unit 28.
- FIG. 10 schematically shows the internal structure of the expander 18.
- the expander 18 includes a casing 32, an expander rotor 34, and a generator 36.
- an expansion chamber 38 and a generator chamber 40 are provided adjacent to each other.
- the casing 32 is provided with an inlet 42 for introducing the target component gas into the expansion chamber 38 and a lead-out port 44 for leading the target component gas after expansion from the expansion chamber 38. Yes.
- the inlet 42 is connected to the gas outlet of the regeneration side separator 8.
- the outlet 44 is connected to the first temperature adjustment supply header 21d. Thereby, the outlet 44 is connected to the inlet 23c of the first temperature control channel 23a.
- the expander rotor 34 is accommodated in an expansion chamber 38 so as to be rotatable about its axis.
- the expander rotor 34 is rotated by receiving the expansion force of the target component gas discharged from the regeneration side separator 8 and introduced into the expansion chamber 38 through the inlet 42.
- the target component gas introduced into the expansion chamber 38 expands as the expander rotor 34 rotates.
- the target component gas cools down as it expands. From the outlet 44, the gas of the target component after expansion that has become low temperature is led out.
- the generator 36 is provided in the generator room 40.
- the generator 36 generates electric power by receiving the rotational force of the expander rotor 34.
- the generator 36 is disposed so as to surround the generator rotor 46 attached to the rotary shaft so as to be coaxial with the rotary shaft of the expander rotor 34 and the radially outer side of the generator rotor 46.
- the stator 48 The generator rotor 46 rotates together with the expander rotor 34 as the expander rotor 34 rotates. Due to the rotation of the generator rotor 46, power generation is performed between the generator rotor 46 and the stator 48.
- the generator 36 is connected to the compressor 16 (see FIG. 1) via electrical wiring.
- the electric power generated by the generator 36 is supplied to the compressor 16 through electric wiring.
- the compressor 16 is operated by being supplied with this electric power and compresses the raw material gas.
- a source gas containing a target component to be separated is supplied from a source gas supply source 20 to a compressor 16.
- the source gas is, for example, exhaust gas discharged from a thermal power plant or various combustion engines.
- the target component is, for example, carbon dioxide contained in the exhaust gas.
- the compressor 16 compresses the supplied raw material gas, and compression heat is generated by the compression (compression process).
- the compressed raw material gas heated by the generated compression heat is supplied from the compressor 16 to the first temperature control channel 27a (see FIG. 8) of the regenerator temperature control unit 28, and the first temperature control channel. It flows through 27a. Thereafter, the compressed source gas discharged from the first temperature control flow path 27a is introduced into each absorption flow path 22a (see FIG. 3) of the absorption section 22.
- an absorption liquid is introduced into each absorption flow path 22a from an absorption liquid supply source (not shown).
- an absorption liquid supply source not shown.
- the absorbing liquid a liquid that selectively absorbs only the target component in the raw material gas is used.
- the target component is carbon dioxide
- an amine solvent, an aqueous solution of an amine solvent, an ionic liquid, water, or the like is used as the absorbing liquid.
- each absorption channel 22a merges and flow through each absorption channel 22a in contact with each other.
- the target component is absorbed from the source gas into the absorption liquid in the process in which the source gas and the absorption liquid flow through the respective absorption flow paths 22a (absorption process). In this absorption process, heat of absorption is generated.
- the low-temperature target component gas after expansion discharged from the expander 18 is introduced and flows into the first temperature control flow path 23a (see FIG. 5).
- the absorption liquid and the raw material gas flowing through each absorption flow path 22a exchange heat with the target component gas.
- a low-temperature cooling medium is introduced and flows into the second temperature control flow path 24a (see FIG. 6).
- the absorption liquid and source gas flowing through each absorption flow path 22a also exchange heat with the cooling medium flowing through the second temperature control flow path 24a. By these heat exchanges, the absorption heat generated in the absorption step is removed.
- the fluid mixture of the absorption liquid after absorbing the target component and the raw material gas after the target component is absorbed by the absorption liquid is discharged.
- the discharged mixed fluid is introduced into the absorption side separator 6 (see FIG. 1).
- the mixed fluid introduced into the absorption side separator 6 is separated into an absorption liquid containing the target component and a raw material gas after the target component is absorbed by the absorption liquid (post-absorption separation step).
- the raw material gas after absorbing the target component is discharged from the upper outlet of the absorption side separator 6 and collected. In addition, you may discharge
- the absorption liquid containing the target component is discharged from the outlet at the bottom of the absorption side separator 6 and sent to each regeneration flow path 26a (see FIG. 7) of the regeneration unit 26 via the heat exchanger 14 by the absorption side pump 10. It is done.
- the absorption liquid introduced into each regeneration channel 26a flows through each regeneration channel 26a and flows through the first temperature control channel 27a (see FIG. 8) of the regeneration device temperature control unit 28 after the temperature-enhanced compression. Heat exchange with the raw material gas.
- a high-temperature heating medium is introduced and flows into the second temperature control flow path 28a (see FIG. 9).
- the absorbing liquid flowing through each regeneration channel 26a also exchanges heat with the heating medium flowing through the second temperature control channel 28a.
- the absorption liquid flowing through each regeneration channel 26a is heated by these heat exchanges. Thereby, the target component gas is released from the absorbing liquid. Then, the absorbing liquid is regenerated to a low content of the target component before absorbing the target component gas by releasing the target component gas (regeneration step).
- a mixed fluid of the diffused target component gas and the regenerated absorption liquid is discharged.
- the discharged mixed fluid is introduced into the regeneration side separator 8 (see FIG. 1).
- the mixed fluid introduced into the regeneration side separator 8 is separated into the target component gas and the regenerated absorption liquid (post-regeneration separation step).
- the absorption liquid separated by the regeneration side separator 8 is discharged from the outlet at the lower part of the regeneration side separator 8 and is absorbed by the regeneration side pump 12 through the heat exchanger 14 to each absorption flow path 22a (see FIG. 3). See). Thereby, the regenerated absorption liquid is again used for absorption of the target component from the raw material gas in each absorption flow path 22a.
- the regenerated absorption liquid passes through the heat exchanger 14 (see FIG. 1), the absorption liquid contains the target component discharged from the absorption side separator 6 and sent out by the absorption side pump 10. Exchange heat with. Thereby, the regenerated absorbent is cooled to some extent, and the absorbent containing the target component is warmed to some extent.
- the target component gas separated by the regeneration side separator 8 is discharged from the outlet at the top of the regeneration side separator 8 and introduced into the expansion chamber 38 (see FIG. 10) through the inlet 42 of the expander 18. .
- the target component gas introduced into the expansion chamber 38 expands itself while rotating the expander rotor 34 by the expansion force (expansion process). Along with this expansion, the temperature of the target component gas drops to a low temperature.
- the generator rotor 46 rotates integrally with the expander rotor 34 to generate power with the stator 48.
- the generated electric power is supplied to the compressor 16 (see FIG. 1) and used to operate the compressor 16.
- the gas of the target component that has become low temperature after expansion is discharged from the expansion chamber 38 through the outlet 44 and introduced into the first temperature control flow path 23a (see FIG. 5).
- the target component gas introduced into the first temperature control channel 23a removes the absorbed heat while flowing through the first temperature control channel 23a as described above, and then is discharged from the first temperature control channel 23a. And recovered.
- the method for separating the target component from the raw material gas using the separation apparatus 1 according to the present embodiment is performed.
- the raw material gas is compressed in the compression process by the compressor 16, whereby compression heat is generated in the raw material gas and the temperature of the raw material gas is increased.
- the absorbing liquid can be heated in order to regenerate the absorbing liquid by releasing the target component from the absorbing liquid in the regeneration process in the regenerating apparatus 4. For this reason, it is possible to reduce the amount of heat separately supplied for heating the absorbing solution in the regenerating apparatus 4, and as a result, it is possible to reduce energy consumption.
- the raw material gas that has been compressed by the compressor 16 and increased in pressure is supplied to the absorber 2.
- the target component can be absorbed into the absorption liquid from the raw material gas under a high pressure condition.
- the absorption amount of the absorption liquid per unit liquid volume of the absorption liquid can be increased. That is, the absorption efficiency of the target component from the source gas to the absorption liquid can be increased.
- the absorption efficiency of a target component can be improved in this way, it becomes unnecessary to increase the liquid volume of an absorption liquid, As a result, the enlargement of the separation apparatus 1 can be prevented.
- the amount of the absorbing liquid circulating in the separation apparatus 1 can be reduced, the sensible heat of the absorbing liquid in the separation apparatus 1 can be reduced. Therefore, it is possible to reduce the amount of heat required when the regenerating unit 26 heats the absorption liquid to dissipate the target component from the absorption liquid. From this point of view, energy consumption can be reduced.
- power is generated by the generator 36 of the expander 18 using the expansion force of the target component gas separated from the absorbent by the regeneration unit 26 and then separated by the regeneration side separator 8.
- the compressor 16 is operated by the generated electric power to compress the raw material gas. For this reason, energy (electric power) consumed for compression of source gas can be reduced compared with the case where energy is separately supplied to compressor 16 and compressor 16 is operated.
- the separation device 1 in order to supply the power generated by the generator 36 of the expander 18 to the compressor 16, a simple configuration in which the generator 36 and the compressor 16 are connected to each other by electrical wiring. Can be adopted. For this reason, compared with the case where the rotational force of the expander rotor 34 is transmitted to the compressor 16 by a mechanical transmission mechanism using a rotating shaft, gears, etc., and the compressor 16 is operated, the separation device 1 The configuration can be simplified.
- the gas of the target component expanded by the expander 18 is supplied to the first temperature control flow path 23a to exchange heat with the raw material gas and the absorption liquid flowing through the absorption flow path 22a of the absorption section 22, As a result, the heat of absorption caused by the absorption of the target component from the raw material gas to the absorption liquid is removed. That is, in the present embodiment, the heat of absorption generated in the absorption process of the absorption device 2 can be removed using the gas of the target component that has been cooled with expansion in the expander 18. For this reason, the usage-amount of the cooling medium used for heat removal of absorption heat can be reduced.
- the target component is absorbed from the raw material gas into the absorbing liquid in the plurality of absorption channels 22a that are microchannels. For this reason, the target component can be absorbed from the source gas to the absorbing liquid in a state where the contact area of the absorbing liquid with the source gas per unit volume is increased. For this reason, the absorption efficiency of a target component can be improved more.
- the raw material gas and the absorption liquid flowing through the absorption channel 22a which is a microchannel, in the stacked body 20 of the absorber 2, and the microchannel adjacent to the absorption channel 22a in the stacked body 20
- Heat exchange is performed with the low-temperature fluid (the gas and cooling medium of the target component after expansion) flowing through the first temperature control channel 23a and the second temperature control channel 24a.
- the low-temperature fluid the gas and cooling medium of the target component after expansion
- the absorbing liquid flowing through the regeneration channel 26a, which is a microchannel, in the stack of the regeneration device 4, and the first temperature control channel 27a, which is a microchannel adjacent to the regeneration channel 26a in the stack Heat exchange is performed with a high-temperature fluid (compressed source gas and heating medium) flowing through the second temperature control flow path 28a.
- a high-temperature fluid compressed source gas and heating medium
- the heat exchange efficiency between absorption liquid and a high temperature fluid can be improved.
- the heating efficiency of absorption heat can be improved.
- the absorption side separator 6 may be arranged at a height position higher than the height position of the regeneration side separator 8. According to this configuration, the absorption liquid separated by the absorption side separator 6 flows to the reproduction side separator 8 side, that is, the reproduction unit 26 side of the reproduction device 4 by siphon phenomenon. For this reason, the absorption side pump 10 (refer FIG. 1) of the said embodiment is omissible. Even if the absorption-side pump 10 is omitted, the absorption liquid can be supplied to the regeneration unit 26. As a result, the configuration of the separation device 1 can be simplified and the energy required for the operation of the absorption pump 10 can be reduced.
- the compressed raw material gas discharged from the compressor 16 has a region extending from the intermediate portion in the vertical direction of the regenerator temperature control unit 28 to the lower end.
- the flow and the heating medium may flow in a region from the upper end portion of the regenerator temperature control unit 28 to the middle portion in the vertical direction.
- FIG. 13 shows a plan view of the regenerator temperature control plate 25d constituting the laminate of the regenerator 4 in the second modification.
- one type of regenerator temperature control plate 25d is provided as the temperature control plate.
- the regenerator temperature control plate 25d is simply referred to as a temperature control plate 25d.
- the temperature control plate 25d is formed with a first temperature control channel 27a and a second temperature control channel 28a.
- the first temperature control flow path 27a through which the compressed source gas flows is formed in the lower half of the laminated body of the regenerator 4, that is, the lower half of the temperature control plate 25d.
- the first temperature control flow path 27a extends to the other side edge of the lower end portion of the temperature control plate 25d while being repeatedly folded from one side edge of the upper and lower intermediate portions of the temperature control plate 25d.
- the second temperature control flow path 28a through which the heating medium flows is formed in the upper half of the laminated body of the regenerator temperature control unit 28, that is, the upper half of the temperature control plate 25d.
- the second temperature control channel 28a extends from the one side edge of the upper end portion of the temperature control plate 25d to the other side edge of the upper and lower intermediate portions of the temperature control plate 25d while being repeatedly folded back.
- the discharge port of the compressor 16 that discharges the compressed source gas is connected to each first temperature control flow via a first temperature control supply header 29c provided at one side of the intermediate portion of the regenerator temperature control unit 28. It is connected to the entrance 27c of the path 27a.
- the compressed source gas discharged from the compressor 16 is introduced into each first temperature control flow path 27a.
- the compressed source gas introduced into each first temperature control flow path 27a generally flows through each first temperature control flow path 27a from the intermediate portion of the regenerator temperature control section 28 toward the lower end.
- the compressed source gas that has flowed through each first temperature control channel 27a is discharged from the outlet 27d of the first temperature control channel 27a and on the other side of the lower end of the regenerator temperature control unit 28. It is discharged through the provided first temperature control discharge header 29d.
- the heating medium is introduced into the inlets 28c of the second temperature control flow paths 28a via the second temperature control supply header 29e provided on one side of the upper end of the regenerator temperature control unit 28.
- the heating medium introduced into each second temperature control flow path 28a generally flows through each second temperature control flow path 28a from the upper end portion of the regenerator temperature control section 28 toward the intermediate portion.
- the heating medium which flowed through each 2nd temperature control flow path 28a is discharged
- FIG. 14 shows a plan view of the reproduction plate 25a constituting the laminated body of the reproduction apparatus 4 in the second modification.
- the regeneration channel 26a is provided in a region of the regeneration plate 25a that substantially overlaps the region where the first temperature control channel 27a and the second temperature control channel 28a of the temperature control plate 25d are provided.
- the absorbing solution is introduced into each regeneration channel 26a of the regeneration unit 26 from the inlet 26c via the absorbing solution supply header 29a.
- the absorbing liquid introduced into each regeneration channel 26a generally flows upward through each regeneration channel 26a toward the outlet 26d.
- the raw material after absorbing the target component discharged from the absorption side separator 6 instead of the gas of the target component discharged from the regeneration side separator 8. Gas may be supplied to the expander 18.
- the gas outlet of the regeneration side separator 8 is not connected to the inlet 42 (see FIG. 10) of the expansion chamber 38 of the expander 18, and instead the gas of the absorption side separator 6. Is connected to the inlet 42 of the expansion chamber 38 via a pipe.
- the raw material gas discharged from the absorption side separator 6 has a certain high pressure.
- this somewhat high-pressure source gas is introduced into the expansion chamber 38, and the expander rotor 34 (see FIG.
- the generator rotor 46 rotates and the generator 36 generates power.
- the electric power generated by the generator 36 is supplied to the compressor 16 and used to operate the compressor 16. Also according to the third modified example, the energy consumed for compressing the raw material gas can be reduced.
- FIG. 16 shows a separation device 1 according to a fourth modification which is an example of such a case.
- the separation device 1 includes a first compressor 16, a second compressor 52, a first expander 18, and a second expander 54.
- the configurations of the first compressor 16 and the first expander 18 are the same as the configurations of the compressor 16 and the expander 18.
- Source gas is supplied from the source gas supply source 20 to the second compressor 52.
- the second compressor 52 compresses the supplied source gas.
- the outlet of the second compressor 52 that discharges the compressed source gas is connected to the inlet 27c of the first temperature control flow path 27a (see FIG. 13) through which the compressed source gas flows in the regenerator temperature control unit 28. ing.
- both the compressed source gas discharged from the first compressor 16 and the compressed source gas discharged from the second compressor 52 are introduced into the first temperature control flow path 27a. ing.
- the internal structure of the second expander 54 is the same as the internal structure of the expander 18 described above.
- the gas outlet of the regeneration side separator 8 is connected to the inlet 42 (see FIG. 10) of the expansion chamber 38 of the first expander 18.
- the gas outlet of the absorption side separator 6 is connected to the inlet of the expansion chamber of the second expander 54.
- the expander rotor 34 (see FIG. 10) is rotated by the expansion force of the target component gas discharged from the regeneration side separator 8 and introduced into the expansion chamber 38. To do.
- the generator 36 generates power as the expander rotor 34 rotates.
- the electric power generated by the generator 36 of the first expander 18 is supplied to the first compressor 16 and used to operate the first compressor 16.
- the expander rotor is driven by the expansion force of the raw material gas after the target component is absorbed, which is discharged from the absorption side separator 6 and introduced into the expansion chamber of the second expander 54. Rotate.
- the generator of the second expander 54 generates power.
- the generator of the second expander 54 is connected to the second compressor 52 through electrical wiring.
- the electric power generated by the generator of the second expander 54 is supplied to the second compressor 52 and used to operate the second compressor 52.
- the raw material gas is obtained by utilizing both the target component gas discharged from the regeneration side separator 8 and the raw material gas after the target component discharged from the absorption side separator 6 is absorbed. Electric power can be generated to operate the compressors 16 and 32 that compress the gas. For this reason, energy consumption can be further reduced.
- the kinetic energy generated by the expander that is, the rotational force of the expander rotor is converted to the rotating shaft or
- the compressor may be operated by being transmitted to the compressor by a mechanical transmission device such as a gear.
- the separation device does not necessarily have to include an expander.
- the gas of the target component separated by the regeneration side separator or the raw material gas after the target component separated by the absorption side separator is absorbed It is not necessary to generate power with the generator of the expander using In this case, all the electric power for operating the compressor may be supplied from the power source to the compressor.
- the separation method includes an absorption device that absorbs the target component in a raw material gas that is a mixed gas containing the target component as a separation target, and an absorption liquid that has absorbed the target component in the absorption device.
- a separation method for separating the target component from the raw material gas using a separation device comprising a regeneration device for regenerating the absorption liquid by dissipating the target component from the raw material, wherein the target component is absorbed in the absorption device An absorption step in which the liquid is brought into contact with each other to absorb the target component in the raw material gas into the absorption liquid, and the absorption liquid that has absorbed the target component in the absorption step is heated in the regenerator.
- a post-regeneration separation step that separates the component gas and the absorption liquid, and a compression step that compresses the raw material gas so that compression heat is generated in the raw material gas prior to the absorption step and the regeneration step.
- the raw material gas compressed in the compression step is supplied to the regenerator and heat-exchanged with the absorption liquid to heat the absorption liquid.
- the absorption step the state is compressed in the compression step and the The raw material gas after heat exchange with the absorbent in the regenerator is supplied to the absorbent as a raw material gas that causes the absorbent to absorb the target component.
- this separation method by compressing the raw material gas in the compression step, compression heat is generated in the raw material gas, and the raw material gas is heated. Utilizing the heated source gas after compression, the absorbing liquid can be heated in order to regenerate the absorbing liquid by releasing the target component from the absorbing liquid in the regeneration process. For this reason, it is possible to reduce the amount of heat separately supplied for heating the absorbent in the regeneration step. As a result, energy consumption can be reduced. Further, in this separation method, the raw material gas that has been compressed in the compression step and whose pressure has increased is supplied to the absorber. For this reason, in the absorption step in the absorption device, the target component in the raw material gas can be absorbed by the absorption liquid under a high pressure condition.
- the absorption efficiency of the target component from the source gas to the absorption liquid can be increased. And since the absorption efficiency of a target component can be improved in this way, it becomes unnecessary to increase the liquid volume of absorption liquid. As a result, an increase in the size of the separation device can be prevented.
- a separation apparatus further comprising a compressor for compressing a raw material gas and an expander that operates by an expansion force of a supplied gas to generate energy
- the separation method is used. Is an expansion step of supplying the target component gas separated in the post-regeneration separation step to the expander and operating the expander with the expansion force of the target component gas and expanding the target component gas.
- energy generated by the expander may be supplied to the compressor, and the compressor may be operated by the supplied energy to cause the compressor to compress the raw material gas.
- energy can be generated by the expander using the expansion force of the target component gas separated in the post-regeneration separation step after being released from the absorbing solution in the regeneration step.
- the raw material gas can be compressed by operating the compressor with the generated energy. For this reason, compared with the case where energy is separately supplied to the compressor and the compressor is operated, the energy consumed for compressing the raw material gas can be reduced.
- a separation device further comprising a compressor for compressing a raw material gas and an expander that operates by an expansion force of the supplied gas to generate energy
- the raw material gas after the target component is absorbed in the absorption liquid in the absorption step is supplied to the expander, the expander is operated by the expansion force of the raw material gas, and the raw material gas is expanded.
- the compression step energy generated by the expander is supplied to the compressor, and the compressor is operated by the supplied energy to compress the raw material gas.
- energy can be generated by the expander using the expansion force of the raw material gas after the target component is absorbed in the absorption liquid in the absorption step.
- the raw material gas can be compressed by operating the compressor with the generated energy. For this reason, compared with the case where energy is separately supplied to the compressor and the compressor is operated, the energy consumed for compressing the raw material gas can be reduced.
- the separation method includes a compression step and an expansion step
- an expander rotor that rotates by an expansion force of gas supplied to the expander as the expander
- a generator that generates electric power by receiving the rotation force of the expander rotor It is preferable that a separation device including an expander having the above is used as the separation device, and in the compression step, the electric power generated by the generator is supplied to the compressor as the energy.
- the gas of the target component expanded in the expansion step is supplied to the absorption device, and heat is exchanged with the raw material gas and the absorption liquid in the absorption device.
- the heat of absorption generated in the absorption process can be removed using the gas of the target component that has been cooled in accordance with the expansion in the expansion process. For this reason, the usage-amount of the cooling medium used for heat removal of absorption heat can be reduced.
- a laminate in which an absorption channel layer in which a plurality of absorption channels that are microchannels are arranged and a temperature control channel layer in which a plurality of absorber temperature control channels that are microchannels are arranged are stacked
- a separation device provided with an absorption device having a body as the absorption device is used as the separation device.
- the raw material gas and the absorption liquid are circulated in a state of being in contact with each other through the absorption flow path.
- the absorption liquid absorbs the target component in the gas, and a fluid having a temperature lower than that of the raw material gas and the absorption liquid flows through the absorption device temperature control flow path, and the raw material gas and the absorption liquid flow through the absorption flow path. It is preferable to remove the heat of absorption caused by the absorption of the target component from the raw material gas into the absorption liquid in the absorption flow path by exchanging heat with the absorption channel.
- absorption of the target component from the raw material gas to the absorption liquid is performed in a plurality of absorption channels that are microchannels. For this reason, the target component can be absorbed from the source gas to the absorbing liquid in a state where the contact area of the absorbing liquid with the source gas per unit volume is increased. As a result, the absorption efficiency of the target component can be further increased. Further, in this configuration, the raw material gas and the absorption liquid that flow through the absorption channel that is a microchannel in the laminate of the absorber and the low temperature that flows through the absorber temperature control channel that is a microchannel adjacent to the absorption channel in the laminate. Heat exchange with other fluids. For this reason, the heat exchange efficiency between raw material gas and absorption liquid, and a low-temperature fluid can be improved. As a result, the heat removal efficiency of absorbed heat can be increased.
- a mixed fluid of the raw material gas after the target component is absorbed in the absorption step in the absorption step and the absorption liquid after the target component is absorbed in the absorption step is converted into the raw material gas and the absorption solution. It is preferable to further include a post-absorption separation step of separating, and to supply the absorption liquid separated in the post-absorption separation step to the regeneration device using a siphon phenomenon.
- the absorption liquid separated in the post-absorption separation step can be supplied to the regenerator without using a liquid feed pump. For this reason, while being able to simplify the structure of a separation apparatus, the energy which an operation
- a laminated layer in which a regeneration channel layer in which a plurality of regeneration channels as microchannels are arranged and a temperature control channel layer in which a plurality of regeneration device temperature control channels as microchannels are arranged are laminated
- a separation device provided with a regeneration device having a body as the regeneration device is used as the separation device, and in the regeneration step, the absorption liquid that has absorbed the target component in the absorption step is circulated through the regeneration channel, and By flowing the compressed source gas, which is the source gas compressed in the compression step, through the regeneration device temperature control flow path, and exchanging heat between the compressed source gas and the absorbent flowing in the regeneration flow path, It is preferable to dissipate the target component from the absorption liquid by heating the absorption liquid flowing through the regeneration channel.
- the absorption liquid flowing in the regeneration channel which is a microchannel, in the stack of the regeneration device
- the compressed source gas flowing in the regeneration device temperature control channel which is a microchannel adjacent to the regeneration channel, in the stack
- the separation device is a separation device that separates the target component from a raw material gas that is a mixed gas containing the target component as a separation target, and the introduced raw material gas and the absorbing liquid are brought into contact with each other.
- An absorption device that absorbs the target component in the raw material gas into an absorption liquid, and a regeneration device that regenerates the absorption liquid by dissipating the target component from the absorption liquid that has absorbed the target component in the absorption device;
- the mixed fluid of the target component gas diffused in the regenerator and the regenerated absorbing liquid is connected to the regenerator so that the mixed fluid is introduced from the regenerator, and the introduced mixed fluid is used as the target component.
- a regeneration-side separator that separates the gas into an absorption liquid, and a compressor that compresses the raw material gas so that heat of compression is generated in the raw material gas.
- a regenerator that is connected to the absorption device so that the absorption liquid that has absorbed the target component is introduced from the absorption device, regenerates the absorption liquid by dissipating the target component from the introduced absorption liquid, and
- the raw material gas compressed by the compressor is connected to the compressor so as to be introduced from the compressor, and the introduced raw material gas is heat exchanged with the absorbing liquid introduced into the regeneration unit.
- a regenerator temperature controller that heats the absorbent introduced into the regenerator, and the absorber, after being compressed by the compressor, exchanges heat with the absorbent in the regenerator temperature controller. It connects with the said regeneration apparatus temperature control part so that later source gas may be introduce
- the compressor compresses the raw material gas, so that compression heat is generated and the raw material gas is heated.
- the absorption liquid can be heated to regenerate the absorption liquid by releasing the target component from the absorption liquid in the regenerator. For this reason, it is possible to reduce the amount of heat separately supplied for heating the absorbing solution in the regenerator. As a result, energy consumption can be reduced.
- the raw material gas that has been compressed by the compressor and increased in pressure is introduced into the absorption device. For this reason, the absorption device can make the absorption liquid absorb the target component in the raw material gas under a high pressure condition.
- the absorption efficiency of the target component from the source gas to the absorption liquid can be increased. And since the absorption efficiency of a target component can be improved in this way, it becomes unnecessary to increase the liquid volume of absorption liquid. As a result, an increase in the size of the separation device can be prevented.
- the separation device further includes an expander that has an expander rotor and generates energy by rotating the expander rotor, and the expander is a gas of the target component separated in the regeneration-side separator. Is connected to the regeneration side separator so as to be introduced from the regeneration side separator, the expander rotor is rotated by the expansion force of the target component gas introduced into the expander, and the compressor is The energy generated by the expander is connected to the expander so that the energy is transmitted to the compressor, and the raw material gas is compressed by receiving the energy transmitted from the expander. May be.
- energy can be generated by the expander using the expansion force of the target component gas separated by the regeneration-side separator after being diffused from the absorbing solution by the regeneration device.
- the raw material gas can be compressed by operating the compressor with the generated energy. For this reason, compared with the case where energy is separately supplied to the compressor and the compressor is operated, the energy consumed for compressing the raw material gas can be reduced.
- the separation device further includes an expander that has an expander rotor and generates energy by rotating the expander rotor, and the expander has absorbed the target component in the absorbing liquid in the absorber.
- the expander rotor Connected to the absorption device so that later raw material gas is introduced, the expander rotor is rotated by the expansion force of the raw material gas introduced into the expander, and the compressor is produced by the expander It may be connected to the expander so that energy is transmitted to the compressor, and may perform an operation of compressing the raw material gas by receiving the energy transmitted from the expander.
- energy can be generated by the expander using the expansion force of the raw material gas after the target component is absorbed by the absorption liquid in the absorption device.
- the raw material gas can be compressed by operating the compressor with the generated energy. For this reason, compared with the case where energy is separately supplied to the compressor and the compressor is operated, the energy consumed for compressing the raw material gas can be reduced.
- the expander includes a generator that generates electric power by receiving the rotational force of the expander rotor, and the compressor is electrically connected to the generator. It is preferable to operate by receiving the electric power generated by the generator.
- the absorption device absorbs the target component in the raw material gas by absorbing the target component in the raw material gas by bringing the raw material gas introduced into the absorption device into contact with the absorbing solution.
- the gas of the target component after expansion discharged from the expander is connected to the expander and introduced into the gas of the target component introduced from the expander and the absorption unit It is preferable to have an absorption device temperature control unit that removes heat generated by absorption of the specific component from the raw material gas to the absorbing liquid by heat exchange between the raw material gas and the absorbing liquid.
- the heat of absorption generated in the absorption section can be removed using the gas of the target component that has been cooled with expansion in the expander. For this reason, the usage-amount of the cooling medium used for heat removal of absorption heat can be reduced.
- the absorption device is a plurality of microchannels that absorb the target component in the source gas into the absorption liquid while flowing the introduced source gas and the absorption liquid in contact with each other. Between the absorption channel layer in which the absorption channels are arranged, and the source gas and the absorption liquid flowing through the absorption channel while circulating a fluid having a temperature lower than that of the source gas and the absorption liquid flowing through the absorption channel.
- a plurality of absorption device temperature control channels which are microchannels that remove heat generated by absorption of the specific component from the raw material gas into the absorption liquid in the absorption channel by heat exchange in the absorption channel, are arranged It is preferable to provide a laminate in which the temperature control flow path layer is laminated.
- absorption of the target component from the raw material gas to the absorption liquid is performed in a plurality of absorption channels that are microchannels. For this reason, the target component can be absorbed from the source gas to the absorbing liquid in a state where the contact area of the absorbing liquid with the source gas per unit volume is increased. As a result, the absorption efficiency of the target component can be further increased. Further, in this configuration, the raw material gas and the absorption liquid that flow through the absorption channel that is a microchannel in the laminate of the absorber and the low temperature that flows through the absorber temperature control channel that is a microchannel adjacent to the absorption channel in the laminate. Heat exchange with other fluids. For this reason, the heat exchange efficiency between raw material gas and absorption liquid, and a low-temperature fluid can be improved. As a result, the heat removal efficiency of absorbed heat can be increased.
- the separation device is connected to the absorption device such that a mixed fluid of an absorption liquid after absorbing the target component in the absorption device and a raw material gas after absorbing the target component by the absorption liquid is introduced.
- an absorption side separator that separates the introduced mixed fluid into an absorption liquid and a raw material gas, and the absorption side separator is connected to the regenerator and separated by the absorption side separator. It is preferable that the absorbing liquid is disposed at a height position equal to or higher than the height position of the regeneration side separator so that the absorbing liquid flows to the regeneration device by siphon phenomenon.
- the absorption liquid separated in the absorption side separator can be supplied to the regenerator without using a liquid feed pump. For this reason, while being able to simplify the structure of a separation apparatus, the energy which an operation
- the regeneration unit is connected to the absorption device so that the absorption liquid that has absorbed the target component is introduced into the absorption device, and the target liquid is supplied from the absorption liquid while circulating the introduced absorption liquid.
- a plurality of regeneration channels that are microchannels for regenerating the absorbent by dissipating the components, and the regenerator temperature control unit is configured so that the source gas compressed by the compressor is introduced.
- the regeneration device includes a regeneration channel layer in which a plurality of the regeneration channels are arranged, and a temperature regulation channel layer in which the plurality of regeneration device temperature control channels are arranged. It is preferable to provide a laminated stack.
- the absorption liquid flowing in the regeneration channel which is a microchannel, in the stack of the regeneration device
- the compressed source gas flowing in the regeneration device temperature control channel which is a microchannel adjacent to the regeneration channel, in the stack
- energy consumption can be reduced, and the separation apparatus can be prevented from being enlarged while increasing the absorption efficiency of the target component in the absorption process.
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Abstract
Description
前記実施形態をまとめると、以下の通りである。
Claims (16)
- 分離対象としての目的成分を含有する混合ガスである原料ガス中の前記目的成分を吸収液に吸収させる吸収装置と、前記吸収装置において前記目的成分を吸収した吸収液から前記目的成分を放散させてその吸収液を再生する再生装置とを備えた分離装置を用いて、原料ガスから前記目的成分を分離する分離方法であって、
前記吸収装置内で原料ガスと吸収液とを互いに接触させてその原料ガス中の前記目的成分を吸収液に吸収させる吸収工程と、
前記吸収工程において前記目的成分を吸収した吸収液を前記再生装置内で加熱することによりその吸収液から前記目的成分を放散させてその吸収液を再生する再生工程と、
前記再生工程において放散された前記目的成分のガスと再生された吸収液との混合流体を前記目的成分のガスと吸収液とに分離する再生後分離工程と、
前記吸収工程及び前記再生工程に先立って、原料ガスに圧縮熱が生じるようにその原料ガスを圧縮する圧縮工程とを備え、
前記再生工程では、前記圧縮工程で圧縮した原料ガスを前記再生装置へ供給して吸収液と熱交換させることにより当該吸収液を加熱し、
前記吸収工程では、前記圧縮工程により圧縮された状態であり且つ前記再生装置において吸収液と熱交換した後の原料ガスを、前記吸収装置へ吸収液に前記目的成分を吸収させる原料ガスとして供給する、分離方法。 - 請求項1に記載の分離方法において、
前記分離装置として、原料ガスを圧縮するための圧縮機と、供給されるガスの膨張力により作動してエネルギを生み出す膨張機とをさらに備えた分離装置を用い、
前記分離方法は、前記再生後分離工程において分離された前記目的成分のガスを前記膨張機に供給してその供給した目的成分のガスの膨張力で前記膨張機を作動させるとともに当該目的成分のガスを膨張させる膨張工程をさらに備え、
前記圧縮工程では、前記膨張機によって生み出されたエネルギを前記圧縮機に供給し、その供給したエネルギにより前記圧縮機を作動させて当該圧縮機に原料ガスを圧縮させる、分離方法。 - 請求項1に記載の分離方法において、
前記分離装置として、原料ガスを圧縮するための圧縮機と、供給されるガスの膨張力により作動してエネルギを生み出す膨張機とをさらに備えた分離装置を用い、
前記分離方法は、前記吸収工程において吸収液に前記目的成分を吸収された後の原料ガスを前記膨張機に供給してその供給した原料ガスの膨張力で前記膨張機を作動させるとともに当該原料ガスを膨張させる膨張工程をさらに備え、
前記圧縮工程では、前記膨張機によって生み出されたエネルギを前記圧縮機に供給し、その供給したエネルギにより前記圧縮機を作動させて当該圧縮機に原料ガスを圧縮させる、分離方法。 - 請求項2又は3に記載の分離方法において、
前記膨張機として当該膨張機に供給されるガスの膨張力により回転する膨張機ロータとこの膨張機ロータの回転力を受けて発電する発電機とを有する膨張機を備える分離装置を、前記分離装置として用い、
前記圧縮工程では、前記発電機によって発電された電力を前記エネルギとして前記圧縮機に供給する、分離方法。 - 請求項2又は3に記載の分離方法において、
前記吸収工程では、前記膨張工程で膨張した前記目的成分のガスを前記吸収装置へ供給して当該吸収装置で原料ガス及び吸収液と熱交換させることにより、原料ガスから吸収液への前記目的成分の吸収に伴って生じる吸収熱を除熱する、分離方法。 - 請求項1~3のいずれか1項に記載の分離方法において、
マイクロチャネルである複数の吸収流路が配列された吸収流路層とマイクロチャネルである複数の吸収装置温調流路が配列された温調流路層とが積層された積層体を有する吸収装置を前記吸収装置として備えた分離装置を、前記分離装置として用い、
前記吸収工程では、前記吸収流路に原料ガスと吸収液とを互いに接触させた状態で流通させながらその原料ガス中の前記目的成分を吸収液へ吸収させるとともに、前記吸収装置温調流路に原料ガス及び吸収液よりも低温の流体を流通させてその流体と前記吸収流路を流れる原料ガス及び吸収液との間で熱交換させることにより前記吸収流路での原料ガスから吸収液への前記目的成分の吸収に伴って生じる吸収熱を除熱する、分離方法。 - 請求項1~3のいずれか1項に記載の分離方法において、
前記吸収工程において吸収液に前記目的成分を吸収された後の原料ガスとその吸収工程において前記目的成分を吸収した後の吸収液との混合流体を原料ガスと吸収液とに分離する吸収後分離工程をさらに備え、
前記吸収後分離工程において分離された吸収液をサイフォン現象を利用して前記再生装置へ供給する、分離方法。 - 請求項1~3のいずれか1項に記載の分離方法において、
マイクロチャネルである複数の再生流路が配列された再生流路層とマイクロチャネルである複数の再生装置温調流路が配列された温調流路層とが積層された積層体を有する再生装置を前記再生装置として備えた分離装置を、前記分離装置として用い、
前記再生工程では、前記吸収工程において前記目的成分を吸収した吸収液を前記再生流路に流通させるとともに、前記圧縮工程で圧縮された原料ガスである圧縮後原料ガスを前記再生装置温調流路に流通させてその圧縮後原料ガスと前記再生流路を流れる吸収液との間で熱交換させることにより、前記再生流路を流れる吸収液を加熱してその吸収液から前記目的成分を放散させる、分離方法。 - 分離対象としての目的成分を含有する混合ガスである原料ガスから前記目的成分を分離する分離装置であって、
導入される原料ガスと吸収液とを互いに接触させてその原料ガス中の前記目的成分を吸収液に吸収させる吸収装置と、
前記吸収装置において前記目的成分を吸収した吸収液から前記目的成分を放散させてその吸収液を再生する再生装置と、
前記再生装置において放散された前記目的成分のガスと再生された吸収液との混合流体がその再生装置から導入されるように当該再生装置に接続され、その導入された混合流体を前記目的成分のガスと吸収液とに分離する再生側分離器と、
原料ガスに圧縮熱が生じるようにその原料ガスを圧縮する圧縮機とを備え、
前記再生装置は、前記吸収装置において前記目的成分を吸収した吸収液がその吸収装置から導入されるように当該吸収装置に接続され、その導入された吸収液から前記目的成分を放散させて当該吸収液を再生させる再生部と、前記圧縮機によって圧縮された原料ガスがその圧縮機から導入されるように当該圧縮機に接続され、その導入された原料ガスを前記再生部に導入された吸収液との間で熱交換させることにより前記再生部に導入された吸収液を加熱する再生装置温調部とを有し、
前記吸収装置は、前記圧縮機によって圧縮された後、前記再生装置温調部において吸収液と熱交換した後の原料ガスが当該吸収装置に導入されるように前記再生装置温調部と接続されている、分離装置。 - 請求項9に記載の分離装置において、
膨張機ロータを有していてその膨張機ロータが回転することによりエネルギを生み出す膨張機をさらに備え、
前記膨張機は、前記再生側分離器において分離された前記目的成分のガスがその再生側分離器から導入されるように当該再生側分離器に接続され、
前記膨張機ロータは、前記膨張機に導入された前記目的成分のガスの膨張力によって回転し、
前記圧縮機は、前記膨張機によって生み出されたエネルギが当該圧縮機に伝達されるように前記膨張機に接続されていて、前記膨張機から伝達されたエネルギを受けて原料ガスを圧縮する動作を行う、分離装置。 - 請求項9に記載の分離装置において、
膨張機ロータを有していてその膨張機ロータが回転することによりエネルギを生み出す膨張機をさらに備え、
前記膨張機は、前記吸収装置において吸収液に前記目的成分を吸収された後の原料ガスが導入されるように前記吸収装置に繋がり、
前記膨張機ロータは、前記膨張機に導入された原料ガスの膨張力によって回転し、
前記圧縮機は、前記膨張機によって生み出されたエネルギが当該圧縮機に伝達されるように前記膨張機に接続されていて、前記膨張機から伝達されたエネルギを受けて原料ガスを圧縮する動作を行う、分離装置。 - 請求項10又は11に記載の分離装置において、
前記膨張機は、前記膨張機ロータの回転力を受けて発電する発電機を有し、
前記圧縮機は、前記発電機と電気的に接続されていて、前記発電機によって発電された電力を受けて作動する、分離装置。 - 請求項10又は11に記載の分離装置において、
前記吸収装置は、当該吸収装置に導入される原料ガスと吸収液とを互いに接触させて当該原料ガス中の前記目的成分を当該吸収液に吸収させる吸収部と、前記膨張機から排出された膨張後の前記目的成分のガスが導入されるように前記膨張機に接続され、前記膨張機から導入された目的成分のガスと前記吸収部に導入された原料ガス及び吸収液とを熱交換させることにより、原料ガスから吸収液への前記特定成分の吸収に伴って生じる吸収熱を除熱する吸収装置温調部とを有する、分離装置。 - 請求項9~11のいずれか1項に記載の分離装置において、
前記吸収装置は、導入された原料ガスと吸収液とを互いに接触させた状態で流通させながら当該原料ガス中の前記目的成分を当該吸収液に吸収させるマイクロチャネルである複数の吸収流路が配列された吸収流路層と、前記吸収流路を流れる原料ガス及び吸収液よりも低温の流体を流通させながらその流体と前記吸収流路を流れる原料ガス及び吸収液との間で熱交換させることにより前記吸収流路での原料ガスから吸収液への前記特定成分の吸収に伴って生じる吸収熱を除熱するマイクロチャネルである複数の吸収装置温調流路が配列された温調流路層とが積層された積層体を備える、分離装置。 - 請求項9~11のいずれか1項に記載の分離装置において、
前記吸収装置において前記目的成分を吸収した後の吸収液とその吸収液によって前記目的成分を吸収された後の原料ガスとの混合流体が導入されるように前記吸収装置に繋がり、その導入された混合流体を吸収液と原料ガスとに分離する吸収側分離器をさらに備え、
前記吸収側分離器は、前記再生装置と接続されていて、当該吸収側分離器で分離された吸収液がサイフォン現象によって前記再生装置へ流れるように前記再生側分離器の高さ位置以上の高さ位置に配置されている、分離装置。 - 請求項9~11のいずれか1項に記載の分離装置において、
前記再生部は、前記吸収装置において前記目的成分を吸収した吸収液が導入されるように前記吸収装置に繋がり、その導入された吸収液を流通させながらその吸収液から前記目的成分を放散させて当該吸収液を再生させるマイクロチャネルである複数の再生流路を有し、
前記再生装置温調部は、前記圧縮機によって圧縮された原料ガスが導入されるように前記圧縮機に繋がり、その導入された原料ガスを流通させながらその原料ガスと前記再生流路を流れる吸収液との間で熱交換させることにより前記再生流路を流れる吸収液を加熱するマイクロチャネルである複数の再生装置温調流路を有し、
前記再生装置は、複数の前記再生流路が配列された再生流路層と複数の前記再生装置温調流路が配列された温調流路層とが積層された積層体を備える、分離装置。
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JP2015024382A (ja) | 2015-02-05 |
CN105408004B (zh) | 2017-08-15 |
CN105408004A (zh) | 2016-03-16 |
EP3025773B1 (en) | 2018-07-04 |
EP3025773A1 (en) | 2016-06-01 |
US20160114282A1 (en) | 2016-04-28 |
JP5739486B2 (ja) | 2015-06-24 |
US10245550B2 (en) | 2019-04-02 |
KR101864969B1 (ko) | 2018-06-05 |
KR20160021880A (ko) | 2016-02-26 |
EP3025773A4 (en) | 2017-06-21 |
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