JP5315801B2 - Reformer - Google Patents

Description

  The present invention relates to a reformer.

2. Description of the Related Art Conventionally, a fuel reforming apparatus that is easy to downsize is known. This reformer includes a small combustor capable of stably burning the premixed gas even if it is small by preheating the first fuel and oxygen premixed gas, and a small combustor And a reformer that reforms the second fuel using heat generated by the combustion of the fuel (see, for example, Patent Document 1).
JP 2006-131479 A

However, the conventional reformer has a problem that, for example, when hydrogen is produced from fats and oils or glycerin, it is necessary to further improve the thermal efficiency in order to produce hydrogen more efficiently. In particular, when the reforming reaction is performed by steam reforming that can obtain a higher concentration of hydrogen, it is necessary to heat the reformer more efficiently.
Accordingly, the present invention provides a reformer that can improve thermal efficiency and can effectively use combustion heat.

  In order to solve the above problems, the reforming apparatus of the present invention introduces a raw material, heats it, discharges the generated reformed gas, and introduces the combustion gas into the combustion chamber for combustion. A reformer comprising: a combustor that discharges the generated exhaust gas, and a device that transfers heat generated in the combustor to the reformer between the reformer and the combustor. An intermediate heat transfer wall is provided, and the reformer has a reforming channel for reforming the raw material by a reforming reaction using a catalyst, an exhaust gas channel through which the exhaust gas discharged from the combustor flows, An inter-channel heat transfer wall for transmitting heat of the exhaust gas in the exhaust gas channel to the raw material of the reforming channel, and a combustion gas introduction channel for introducing the combustion gas into the combustor; An exhaust gas exhaust path for exhausting the exhaust gas, and heat of the exhaust gas in the exhaust gas exhaust path is introduced into the combustion gas A second heat transfer wall between the flow paths that transmits to the combustion gas, and the reforming flow path of the reformer is provided adjacent to the combustor via the heat transfer wall between the devices. And is provided adjacent to the exhaust gas flow path through the heat transfer wall between the flow paths.

By comprising in this way, combustion gas distribute | circulates the combustion gas introduction path of a combustor, and burns in the combustion chamber inside a combustor. The exhaust gas generated by the combustion is led out from the combustion chamber through the exhaust gas discharge path. At this time, the second heat transfer wall between the flow paths is heated to a high temperature by the high-temperature exhaust gas flowing through the exhaust gas discharge path. Therefore, the combustion gas reaches the combustion chamber while being heated by the second heat transfer wall between the flow paths, which has become high temperature, while flowing through the combustion gas introduction path. Thus, the combustion gas is heated to a high temperature before reaching the combustion chamber. Accordingly, it is possible to stabilize the combustion in the combustion chamber and improve the combustion efficiency of the combustion gas.
Further, the high-temperature exhaust gas discharged from the combustor and introduced into the exhaust gas flow path of the reformer heats the heat transfer wall between the flow paths to a high temperature while flowing through the exhaust gas flow path. Then, the raw material introduced into the reforming channel of the reformer is heated by the inter-channel heat transfer wall that has reached a high temperature while flowing through the reforming channel. Thereby, the reforming reaction of the raw material is promoted, and the reforming efficiency is improved.
Furthermore, in this invention, the heat-transfer wall between apparatuses is heated with the heat which generate | occur | produced with the combustor, and becomes high temperature. And the raw material which distribute | circulates a reforming flow path is heated by the heat exchanger wall between apparatuses which reached high temperature in addition to the heat exchanger wall between flow paths. Therefore, according to the present invention, heat generated in the combustor can be more efficiently transmitted to the raw material flowing through the reforming flow path, and the raw material reforming efficiency can be further improved.

  Further, in the reformer of the present invention, the exhaust gas flow path of the reformer is provided adjacent to the combustor via the inter-device heat transfer wall, and the reforming flow path and the exhaust gas flow path Is formed in a spiral shape that is alternately adjacent to each other via the heat transfer wall between the flow paths.

  By comprising in this way, the waste gas which distribute | circulates the waste gas flow path of a reformer is heated by the heat exchanger wall between apparatuses which reached high temperature. Thereby, the utilization efficiency of heat improves and the heat transfer wall between flow paths of the reformer can be heated to a higher temperature. In addition, the area of the heat transfer surface where the heat transfer wall between the channels transfers heat increases. Thereby, the heat of the heat transfer wall between the channels that has reached a high temperature can be more efficiently transmitted to the raw material of the reforming channel.

  Further, in the reformer of the present invention, the combustion gas introduction path and the exhaust gas discharge path of the combustor are respectively provided adjacent to the reformer via the inter-device heat transfer wall, and It is formed in the spiral shape which adjoins alternately via the 2nd heat-transfer wall between flow paths.

By comprising in this way, the area of the heat-transfer surface where the waste gas which distribute | circulates an exhaust gas discharge channel and the heat-transfer wall between apparatuses transfers a heat | fever can be increased. Therefore, the heat of the exhaust gas flowing through the exhaust gas discharge path can be more efficiently transmitted to the inter-device heat transfer wall.
Further, the area of the heat transfer surface between the exhaust gas flowing through the exhaust gas discharge path and the second heat transfer wall between the flow paths can be increased. Therefore, the heat of the exhaust gas flowing through the exhaust gas discharge path can be more efficiently transmitted to the second inter-device heat transfer wall.
In addition, the area of the heat transfer surface of the heat transfer wall between the second channels that increases the heat of the exhaust gas flowing through the exhaust gas discharge passage to the combustion gas flowing through the combustion gas introduction passage is increased without increasing the size of the device. Can be made. Therefore, combustion gas can be more efficiently heated by the heat transfer wall between the second flow paths, the combustion efficiency of the combustor can be further improved, and the thermal efficiency can be further improved. Further, the apparatus can be reduced in size.

  Further, in the reformer of the present invention, the reformer and the combustor are each formed in a cylindrical shape in the height direction from the bottom surface to the top surface, and the reformer and the combustor are provided between the devices. It is provided adjacent to the height direction through a heat transfer wall.

  By comprising in this way, even if it is a case where a reformer is reduced in size in the height direction, the area of the heat transfer wall between apparatuses can be ensured. Therefore, both downsizing of the apparatus and improvement in thermal efficiency can be realized.

  The reforming apparatus of the present invention further includes a preheater that introduces and heats the raw material, discharges the heated raw material, and introduces the heated raw material into the reformer, and between the combustor and the preheater. Is provided with a second inter-device heat transfer wall that transfers heat generated in the combustor to the preheater, and the preheater has a preheat flow path through which the raw material flows, and is discharged from the reformer. A second exhaust gas passage through which the exhaust gas is circulated, and a third inter-channel heat transfer wall that transfers heat of the exhaust gas in the second exhaust gas passage to the raw material in the preheating passage. The preheating channel of the preheater is provided adjacent to the combustor via the second inter-device heat transfer wall, and the second exhaust gas channel and the preheating channel are It is characterized by being provided adjacent to each other via three heat transfer walls between the flow paths.

By comprising in this way, a raw material can be heated with a preheater and can be introduce | transduced into a reformer by desired temperature and a phase state. Further, the high-temperature exhaust gas discharged from the reformer and introduced into the second exhaust gas channel heats the third inter-channel heat transfer wall to a high temperature while flowing through the exhaust gas channel. And the raw material which distribute | circulates a preheating flow path is heated by the 3rd heat exchanger wall between flow paths which became high temperature while distribute | circulating a preheat flow path. As a result, the raw material can be preheated to a desired temperature / phase state.
Furthermore, in this invention, the 2nd heat transfer wall between apparatuses is heated with the heat which a combustor generate | occur | produces, and becomes high temperature. And the raw material which distribute | circulates a preheating flow path is heated also by the 2nd heat transfer wall between apparatuses which reached high temperature in addition to the heat transfer wall between the flow paths of a preheater. Therefore, according to the present invention, heat generated in the combustor can be more efficiently transmitted to the raw material flowing through the preheating channel, and the raw material can be more efficiently brought into a desired temperature / phase state.

  In the reformer of the present invention, the second exhaust gas flow path of the preheater is provided adjacent to the combustor via the second inter-device heat transfer wall, Said 2nd exhaust gas flow path is formed in the spiral shape which adjoins alternately via said 3rd heat transfer wall between flow paths.

  By comprising in this way, the waste gas which distribute | circulates the waste gas flow path of a preheater is heated by the 2nd heat exchanger wall between apparatuses which reached high temperature. Thereby, the utilization efficiency of heat can be improved and the third heat transfer wall between the channels can be heated to a high temperature. In addition, the area of the heat transfer surface of the third heat transfer wall between the flow paths increases. Thereby, the heat of the 3rd heat transfer wall between flow paths which reached high temperature can be more efficiently transmitted to the raw material of a preheating flow path.

  The reforming apparatus of the present invention further includes a shift reactor that introduces the reformed gas, causes a shift reaction, and discharges the generated synthesis gas, and is provided between the shift reactor and the reformer. A third inter-device heat transfer wall that transfers heat generated in the shift reactor to the reformer is provided, and the reforming flow path and the exhaust gas flow path of the reformer respectively It is provided adjacent to the shift reactor via an inter-device heat transfer wall.

By comprising in this way, the reformed gas produced | generated by the reforming reaction in a reformer can be converted into a synthesis gas by a shift reaction. For example, when glycerin and water are used as raw materials, a mixed gas of carbon monoxide and water vapor is obtained as the reformed gas. Then, by performing a shift reaction of the reformed gas, a mixed gas of carbon dioxide and hydrogen is obtained as a synthesis gas.
In addition, the heat generated by the shift reaction of the shift reactor heats the third heat transfer wall between the devices to a high temperature. Further, the third inter-device heat transfer wall is also heated by the exhaust gas flowing through the exhaust gas passage of the reformer and becomes high temperature. And the raw material which distribute | circulates the reforming flow path of a reformer is heated with the 3rd heat exchanger wall between apparatuses which became high temperature. Therefore, both the heat generated in the shift reactor and the heat of the exhaust gas in the exhaust gas passage of the reformer can be recovered, and the raw material flowing through the reforming channel of the reformer can be heated. The raw material can be efficiently heated.

  Further, in the reforming apparatus of the present invention, the shift reactor has a reaction flow path for circulating the reformed gas and generating the synthesis gas by the shift reaction, and a heating flow path for heating by circulating air. A fourth inter-channel heat transfer wall that transfers heat generated by the shift reaction of the reaction channel to the air of the heating channel, and the reaction channel and the heating channel of the shift reactor, Is provided adjacent to the fourth heat transfer wall between the flow paths, and an air supply path is provided for supplying the air discharged from the heating flow path to the combustion gas introduction path of the combustor. It is characterized by being.

  With such a configuration, the fourth inter-channel heat transfer wall is heated to a high temperature by the shift reaction of the reformed gas introduced into the reaction channel of the shift reactor. The air introduced into the heating flow path of the shift reactor is heated by the fourth inter-flow path heat transfer wall that has become high temperature while flowing through the heating flow path. And by supplying the air heated via the air supply path to the combustion gas introduction path of the combustor, the combustion efficiency of the combustor can be further improved and the thermal efficiency can be further improved. In addition, the reformed gas is cooled to a temperature suitable for the shift reaction by the air.

  Further, in the reforming apparatus of the present invention, the reaction channel and the heating channel of the shift reactor are provided adjacent to the reformer via the third inter-device heat transfer wall, It is formed in the spiral shape which adjoins alternately via the said 4th heat-transfer wall between flow paths.

By comprising in this way, the air which distribute | circulates the heating flow path of a shift reactor is heated by the 3rd heat exchanger wall between apparatuses which reached high temperature. Thereby, the air which distribute | circulates a heating flow path can be heated by both the 4th heat transfer wall between flow paths, and the 3rd heat transfer wall between apparatuses, and the utilization efficiency of heat improves.
In addition, the area of the heat transfer surface where the fourth heat transfer wall between the channels transfers heat increases. Thereby, the heat of the heat transfer wall between the channels of the shift reactor that has reached a high temperature can be more efficiently transferred to the air in the heating channel.

Further, the reforming apparatus of the present invention is characterized in that a synthesis gas supply path is provided for supplying the synthesis gas discharged from the shift reactor to a combustion gas introduction path of the combustor.
Further, the reforming apparatus of the present invention is provided with a reformed gas supply path for supplying the reformed gas discharged from the reformer to a combustion gas introduction path of the combustor. .

By comprising in this way, synthesis gas can be used as combustion gas of a combustor.
Further, the reformed gas can be used as a combustion gas. Therefore, it is not necessary to supply combustion gas from the outside of the apparatus, or the supply amount can be minimized.

  In the reformer of the present invention, the catalyst is one or more elements selected from Ni, Cu, Pt, Rh, Ce, Al, Ru, and Y.

  By comprising in this way, it becomes possible to distribute | circulate the raw material containing water or water vapor | steam through a reforming flow path, and to produce | generate reformed gas by steam reforming.

  According to the reforming apparatus of the present invention, the thermal efficiency can be improved and the combustion heat can be used more effectively. Therefore, the reforming efficiency of the raw material can be improved and the reformed gas can be obtained more efficiently.

Embodiments of the present invention will be described below with reference to the drawings. In each of the following drawings, the scale is appropriately changed so that each member has a size that can be recognized on the drawing.
FIG. 1 is a perspective view of the reforming apparatus of the present embodiment. The reformer of the present embodiment is for producing a synthesis gas containing hydrogen by introducing raw materials such as fats and oils and glycerin.

  As shown in FIG. 1, the reformer 1 of this embodiment includes an evaporator (preheater) 10, a combustor 20, a reformer 30, and a shift reactor 40 each formed in a substantially cylindrical shape. It has. These devices are provided adjacent to the reformer 1 in the height H direction in this order.

  The evaporator 10 disposed in the lowermost layer of the reformer 1 heats the introduced raw material and discharges, for example, the raw material vapor. On the substantially cylindrical side wall 11 of the evaporator 10, a raw material inlet 12 and an exhaust gas outlet 13 are provided adjacent to each other. The raw material inlet 12 is connected to the end portion 2 e of the raw material supply pipe 2, and the exhaust gas outlet 13 is connected to the starting end 3 s of the exhaust gas discharge pipe 3. Although illustration is omitted here, for example, a raw material supply device is connected to the starting end of the raw material supply pipe 2, and an exhaust gas treatment device is connected to the end of the exhaust gas discharge pipe 3, for example.

  Between the evaporator 10 and the combustor 20, an inter-device heat transfer wall (second inter-device heat transfer wall) 14 for transmitting heat generated in the combustor 20 to the evaporator 10 is provided. The inter-device heat transfer wall 14 is formed as a substantially disk-shaped partition wall that separates the evaporator 10 and the combustor 20, and connects the upper wall (upper surface) of the evaporator 10 and the bottom wall (bottom surface) of the combustor 20. It is composed. The inter-device heat transfer wall 14 is formed of a material having high thermal conductivity such as metal. In the height H direction of the evaporator 10, a combustor 20 is disposed adjacently via an inter-device heat transfer wall 14.

  The combustor 20 burns the introduced combustion gas and discharges exhaust gas to the outside. A combustion gas introduction port 22 and an exhaust gas discharge port 23 are provided adjacent to the substantially cylindrical side wall 21 of the combustor 20. The combustion gas inlet 22 is connected to the end portion 4 e of the combustion gas transport pipe 4, and the exhaust gas outlet 23 is connected to the start end 5 s of the exhaust gas transport pipe 5. Although not shown, the combustion gas transport pipe 4 may be connected to a combustion gas supply pipe that directly supplies the combustion gas from the outside when the reformer 1 is started.

  Between the combustor 20 and the reformer 30, an inter-device heat transfer wall 24 that transmits heat generated in the combustor 20 to the reformer 30 is provided. The inter-device heat transfer wall 24 is formed as a substantially disc-shaped partition wall that separates the combustor 20 and the reformer 30, and the upper wall (upper surface) of the combustor 20 and the bottom wall (bottom surface) of the reformer 30. And make up. The inter-device heat transfer wall 24 is formed of a material having high thermal conductivity such as metal. In the height H direction of the combustor 20, the reformer 30 is disposed adjacent to each other via the inter-device heat transfer wall 24.

  The reformer 30 introduces the raw material heated by the evaporator 10, generates a reformed gas by a reforming reaction using a catalyst, and discharges it. An exhaust gas inlet 32 and a reformed gas outlet 33 are provided adjacent to the substantially cylindrical side wall 31 of the reformer 30. The end portion 5e of the exhaust gas transport pipe 5 connected to the exhaust gas outlet 23 of the combustor 20 is connected to the exhaust gas inlet 32, and the start end 6s of the reformed gas transport pipe 6 is connected to the reformed gas outlet 33. Is connected.

  Between the reformer 30 and the shift reactor 40, an inter-device heat transfer wall (third inter-device heat transfer wall) 34 that transmits heat generated in the shift reactor 40 to the reformer 30 is provided. Yes. The inter-device heat transfer wall 34 is formed as a substantially disk-shaped partition that separates the reformer 30 and the shift reactor 40, and the upper wall (upper surface) of the reformer 30 and the bottom wall of the shift reactor 40 ( Bottom surface). The inter-device heat transfer wall 34 is formed of a material having high thermal conductivity such as metal. In the height H direction of the reformer 30, a shift reactor 40 is disposed adjacent to each other via an inter-device heat transfer wall 34.

  The shift reactor 40 introduces the reformed gas generated by the reformer 30 and generates synthesis gas by a shift reaction. The substantially cylindrical side wall 41 of the shift reactor 40 is provided with a reformed gas inlet 42 and an air outlet 43 adjacent to each other. A terminal end 6e of the reformed gas transport pipe 6 connected to the reformed gas outlet 33 of the reformer 30 is connected to the reformed gas inlet 42, and an air transport pipe (air supply) is connected to the air outlet 43. 7) of the road) 7 is connected.

An air inlet 45 and a synthesis gas outlet 46 are provided adjacent to the upper wall 44 of the shift reactor 40. A terminal portion 8e of the air supply pipe 8 is connected to the air introduction port 45, and a start end portion 9s of the synthesis gas transport tube 9 is connected to the synthesis gas discharge port 46. Although not shown here, the start end of the air supply pipe 8 is connected to, for example, a compressor that supplies air, and the end of the synthesis gas transport pipe 9 is, for example, a synthesis gas storage tank that stores synthesis gas, It is connected to the removal device, such as CO _2.

  In the middle of the synthesis gas transport pipe 9, a start end portion 9Bs of the synthesis gas supply path 9B is connected so as to branch from the synthesis gas transport pipe 9. The end portion 9Be of the synthesis gas supply path 9B is connected to the start end portion 4s of the combustion gas transport pipe 4 connected to the combustion gas introduction port 22 of the combustor 20. In addition, an end portion 7 e of the air transport pipe 7 connected to the air discharge port 43 of the shift reactor 40 is also connected to the start end 4 s of the combustion gas transport pipe 4.

FIG. 2 is a cross-sectional view of the evaporator 10 taken along the line AA ′ of FIG.
As shown in FIG. 2, inside the cylindrical side wall 11 of the evaporator 10, the preheating channel 15 through which the raw material introduced from the raw material introduction port 12 circulates and the exhaust gas introduced from the exhaust gas introduction port 19 circulates. An exhaust gas flow channel (second exhaust gas flow channel) 16 is provided.

The preheating channel 15 and the exhaust gas channel 16 are provided adjacent to each other via an inter-channel heat transfer wall (third inter-channel heat transfer wall) 17 provided as a partition wall therebetween. Further, the preheating flow path 15 and the exhaust gas flow path 16 are formed in a so-called Swiss roll type spiral shape that is alternately adjacent to each other via the inter-flow path heat transfer wall 17. The inter-channel heat transfer wall 17 is formed of a material having a high thermal conductivity such as a metal in order to efficiently transmit the heat of the exhaust gas flowing through the exhaust gas channel 16 to the raw material flowing through the preheating channel 15. Yes.
Further, as shown in FIGS. 1 and 3, the preheating flow path 15 and the exhaust gas flow path 16 are adjacent to the combustor 20 via the inter-device heat transfer wall 14 constituting the upper surface of the evaporator 10. Is provided.

  As shown in FIG. 2, a preheated raw material discharge port 18 for discharging the raw material flowing through the preheating channel 15 is formed in the inter-device heat transfer wall 14 constituting the upper wall of the evaporator 10. The preheated raw material discharge port 18 is formed at the center of the evaporator 10 and is formed at the innermost side of the spiral preheat flow path 15. Connected to the preheated raw material discharge port 18 is a starting end portion of a preheated raw material transport pipe 51 shown in FIG. The end portion of the preheated raw material transport pipe 51 is connected to a preheated raw material introduction port 38 to be described later of the reformer 30 shown in FIG.

  Further, an exhaust gas introduction port 19 for introducing the exhaust gas discharged from the reformer 30 is formed in the inter-device heat transfer wall 14 adjacent to the preheated raw material discharge port 18. The exhaust gas inlet 19 is formed at the center of the evaporator 10 and is formed at the innermost side of the spiral exhaust gas flow path 16. The end portion of the exhaust gas transport pipe 52 is connected to the exhaust gas inlet 19. The starting end of the exhaust gas transport pipe 52 is connected to an exhaust gas discharge port 39 (described later) of the reformer 30 shown in FIG.

FIG. 3 is a cross-sectional view of the combustor 20 taken along the line BB ′ of FIG.
As shown in FIG. 3, inside the side wall 21 of the cylindrical combustor 20, a combustion gas introduction path 26 for introducing the combustion gas introduced from the combustion gas introduction port 22 into the combustion chamber 25 at the center, and the combustion An exhaust gas exhaust path 27 for exhausting exhaust gas from the chamber 25 is provided.

The combustion gas introduction path 26 and the exhaust gas discharge path 27 are provided adjacent to each other via an inter-channel heat transfer wall (second inter-channel heat transfer wall) 28 provided as a partition wall therebetween. . Further, the combustion gas introduction path 26 and the exhaust gas discharge path 27 are formed in a so-called Swiss roll type spiral shape that is alternately adjacent to each other via the inter-flow path heat transfer wall 28. The heat transfer wall 28 between the channels is formed of a material having a high thermal conductivity such as metal in order to efficiently transmit the heat of the exhaust gas in the exhaust gas discharge passage 27 to the combustion gas in the combustion gas introduction passage 26.
Further, the combustion gas introduction path 26 and the exhaust gas discharge path 27 are provided adjacent to the cylindrical evaporator 10 via the inter-device heat transfer wall 14 constituting the bottom surface of the combustor 20. Further, as shown in FIGS. 1 and 4, the combustion gas introduction path 26 and the exhaust gas discharge path 27 are adjacent to the reformer 30 via the inter-device heat transfer wall 24 that constitutes the upper surface of the combustor 20. Is provided.

In the center of the combustor 20, a cavity 29 is formed adjacent to the combustion chamber 25.
The cavity 29 is a substantially elliptical cylindrical space formed in the center of the combustor 20 and is provided so as to penetrate the combustor 20 in the height H direction. A preheated raw material transport pipe 51 and an exhaust gas transport pipe 52 pass through the cavity 29. That is, the preheated raw material transport pipe 51 penetrates the cavity 29 of the combustor 20 and preheats the preheated raw material outlet 18 of the evaporator 10 shown in FIG. 2 and the preheat described later of the reformer 30 shown in FIG. The used raw material inlet 38 is connected. Further, the exhaust gas transport pipe 52 penetrates the cavity 29 of the combustor 20, and an exhaust gas discharge port 39 to be described later of the reformer 30 shown in FIG. 4, and the exhaust gas inlet 19 of the evaporator 10 shown in FIG. 2. Are connected.

4 is a cross-sectional view of the reformer 30 taken along the line CC ′ of FIG.
As shown in FIG. 4, the exhaust gas passage 35 through which the exhaust gas introduced from the exhaust gas inlet 32 circulates inside the side wall 31 of the cylindrical reformer 30, and is heated by the evaporator 10 to become steam. And a reforming flow path 36 for reforming by a reforming reaction using a catalyst.

  In the reforming flow path 36, for example, a catalyst composed of one or more elements selected from Ni, Cu, Pt, Rh, Ce, Al, Ru, and Y is accommodated. For example, the catalyst is laid in the reforming flow path 36 or applied to the inner wall or the like.

  The exhaust gas flow path 35 and the reforming flow path 36 are provided adjacent to each other via an inter-flow path heat transfer wall 37 provided as a partition wall therebetween. Further, the exhaust gas flow channel 35 and the reforming flow channel 36 are formed in a so-called swiss roll type spiral shape that is alternately adjacent to each other via inter-channel heat transfer walls 37. The inter-channel heat transfer wall 37 is formed of a material having high thermal conductivity such as metal, for example, in order to efficiently transmit the heat of the exhaust gas in the exhaust gas channel 35 to the raw material vapor of the reforming channel 36.

  Further, the exhaust gas passage 35 and the reforming passage 36 are provided adjacent to the cylindrical combustor 20 via the inter-device heat transfer wall 24 that constitutes the bottom surface of the reformer 30. Further, as shown in FIGS. 1 and 5, the reformer 30 is provided adjacent to the cylindrical shift reactor 40 via the inter-device heat transfer wall 34 constituting the upper surface of the reformer 30.

  The inter-device heat transfer wall 24 constituting the bottom wall of the reformer 30 is formed with an exhaust gas discharge port 39 for discharging the exhaust gas introduced from the exhaust gas introduction port 32 and flowing through the exhaust gas passage 35. The exhaust gas discharge port 39 is formed at the center of the reformer 30 and is formed at the innermost side of the spiral exhaust gas flow path 35. The start end of the exhaust gas transport pipe 52 is connected to the exhaust gas discharge port 39. The terminal part of the exhaust gas transport pipe 52 is connected to the exhaust gas inlet 19 of the evaporator 10 shown in FIG.

  Further, a preheated raw material introduction port 38 for introducing the vapor of the raw material discharged from the evaporator 10 is formed in the inter-device heat transfer wall 24 adjacent to the exhaust gas discharge port 39. The preheated raw material introduction port 38 is formed at the center of the reformer 30 and is formed at the innermost side of the spiral reforming flow path 36. The preheated raw material introduction port 38 is connected to a terminal portion of the preheated raw material transport pipe 51 shown in FIG. The starting end of the preheated raw material transport pipe 51 is connected to the preheated raw material discharge port 18 of the evaporator 10 shown in FIG.

FIG. 5 is a cross-sectional view of the shift reactor 40 taken along the line DD ′ in FIG.
As shown in FIG. 5, inside the side wall 41 of the cylindrical shift reactor 40, there is a reaction channel 47 that circulates the reformed gas discharged from the reformer 30 and generates synthesis gas by the shift reaction. A heating channel 48 is provided for circulating and heating the air introduced from the air inlet 45.

The reaction channel 47 and the heating channel 48 are provided adjacent to each other via an inter-channel heat transfer wall (fourth inter-channel heat transfer wall) 49 provided as a partition wall therebetween. The reaction channel 47 and the heating channel 48 are formed in a so-called swiss roll type spiral shape that is alternately adjacent to each other via inter-channel heat transfer walls 49. The inter-channel heat transfer wall 49 is formed of a material having a high thermal conductivity such as metal, for example, in order to efficiently transmit heat generated by the shift reaction of the reaction channel 47 to the air of the heating channel 48.
The reaction channel 47 and the heating channel 48 are provided adjacent to the cylindrical reformer 30 via the inter-device heat transfer wall 34 constituting the bottom surface of the shift reactor 40.

On the upper wall 44 (see FIG. 1) of the shift reactor 40, a synthetic gas discharge port 46 for discharging the synthetic gas generated through the reaction flow path 47 is formed. As shown in FIG. 5, the synthesis gas outlet 46 is formed at the center of the shift reactor 40 and is formed at the innermost side of the spiral reaction channel 47.
An air inlet 45 is formed in the upper wall 44 of the shift reactor 40 adjacent to the synthesis gas outlet 46. The air inlet 45 is formed at the center of the shift reactor 40 and is formed at the innermost side of the spiral heating channel 48.

FIG. 6 is a schematic diagram showing a fluid flow between devices in the reforming apparatus 1 of the present embodiment. FIG. 7 is a schematic diagram showing a process flow of the reforming apparatus of the present embodiment.
Hereinafter, the operation of the present embodiment will be described with reference to FIGS. 1 to 5 with reference to FIGS. 6 and 7.

  As shown in FIGS. 6 and 7, the combustion gas G3 introduced into the combustion gas inlet 22 of the combustor 20 is introduced into the combustion chamber 25 through the combustion gas introduction passage 26 shown in FIG. . At this time, heat from combustion of the combustion gas G3 and high-temperature exhaust gas E0 are generated. The heat generated by the combustion passes through the inter-device heat transfer wall 24 on the upper surface side of the combustor 20, the inter-device heat transfer wall 14 on the lower surface side of the combustor 20, and the inter-channel heat transfer wall 28 of the combustor 20. Heat to high temperature. Further, the exhaust gas E0 generated by the combustion is discharged from the combustion chamber 25, flows through the exhaust gas discharge path 27, and is led out from the exhaust gas discharge port 23. 24, the inter-device heat transfer wall 14 on the lower surface side of the combustor 20 and the inter-channel heat transfer wall 28 of the combustor 20 are heated to a high temperature.

  While the combustion gas G3 flows through the combustion gas introduction passage 26, the combustion gas G3 is heated by the inter-device heat transfer walls 14 and 24 and the inter-flow path heat transfer walls 28, which are at high temperatures on the upper surface and the bottom surface of the combustor 20. It reaches the combustion chamber 25. Thus, the combustion gas G3 is heated to a high temperature before reaching the combustion chamber 25. Therefore, the combustion in the combustion chamber 25 can be stabilized and the combustion efficiency of the combustion gas G3 can be improved.

  Here, in this embodiment, the exhaust gas discharge path 27 is formed in a spiral shape adjacent to the inter-device heat transfer walls 14 and 24. Thereby, the area of the heat transfer surface where the exhaust gas E0 flowing through the exhaust gas discharge path 27 and the inter-device heat transfer walls 14 and 24 transfer heat can be increased. Accordingly, the heat of the exhaust gas E0 flowing through the exhaust gas discharge passage 27 can be more efficiently transmitted to the inter-device heat transfer walls 14 and 24, and the inter-device heat transfer walls 14 and 24 can be heated to a higher temperature. .

Further, by forming the exhaust gas discharge path 27 in a spiral shape, the area of the heat transfer surface between the exhaust gas E0 flowing through the exhaust gas discharge path 27 and the inter-flow path heat transfer wall 28 can be increased. Therefore, the heat of the exhaust gas E0 flowing through the exhaust gas discharge passage 27 can be more efficiently transmitted to the inter-channel heat transfer wall 28, and the inter-channel heat transfer wall 28 can be heated to a higher temperature.
In addition, the heat transfer surface of the heat transfer wall 28 between the channels that transfers the heat of the exhaust gas E0 that flows through the exhaust gas discharge passage 27 to the combustion gas G3 that flows through the combustion gas introduction passage 26 without increasing the size of the combustor 20. The area can be increased. Therefore, the combustion gas can be more efficiently heated by the heat transfer wall 28 between the flow paths, the combustion efficiency of the combustor 20 can be further improved, and the thermal efficiency can be further improved. Further, the combustor 20 can be reduced in size.

  The high-temperature exhaust gas E0 discharged from the exhaust gas outlet 23 of the combustor 20 flows through the exhaust gas transport pipe 5 shown in FIG. 1 and is introduced into the exhaust gas inlet 32 of the reformer 30 shown in FIG. The temperature of the exhaust gas E0 at this time is about 1000 ° C., for example. The high-temperature exhaust gas E0 introduced into the exhaust gas inlet 32 of the reformer 30 flows through the exhaust gas passage 35 of the reformer 30 and is discharged from the exhaust gas outlet 39.

  During this time, the exhaust gas E0 flowing through the exhaust gas passage 35 is heated by the inter-device heat transfer wall 24 that has become high temperature. At the same time, the heat transfer wall 37 between the channels of the reformer 30 is heated to a high temperature. Thereby, the utilization efficiency of heat improves and the heat transfer wall 37 between the flow paths of the reformer 30 can be heated to a higher temperature. Further, the inter-device heat transfer wall (see FIGS. 1 and 5) 34 constituting the upper wall of the reformer 30 is heated to a high temperature.

  Here, in the present embodiment, the exhaust gas flow path 35 of the reformer 30 is formed in a spiral shape adjacent to the inter-device heat transfer wall 24 on the upper surface side of the combustor 20. Thereby, the area of the heat transfer surface between the exhaust gas E0 flowing through the exhaust gas passage 35 and the inter-device heat transfer wall 24 can be increased. Therefore, the heat of the inter-device heat transfer wall 24 that has reached a high temperature can be efficiently transmitted by the exhaust gas flowing through the exhaust gas passage 35, and the exhaust gas E0 can be heated to a higher temperature. Or the heat | fever of the high temperature exhaust gas E0 which distribute | circulates the exhaust gas flow path 35 can be efficiently transmitted by the heat exchanger wall 24 between apparatuses, and the heat exchanger wall 24 between apparatuses can be heated to higher temperature.

  The high-temperature exhaust gas E1 discharged from the exhaust gas discharge port 39 of the reformer 30 flows through the exhaust gas transport pipe 52 that penetrates the combustor 20 shown in FIG. 3, and the exhaust gas introduction port of the evaporator 10 shown in FIG. 19 is introduced. The temperature of the exhaust gas E1 at this time is, for example, about 300 ° C. to 400 ° C. The high-temperature exhaust gas E1 introduced into the exhaust gas inlet 19 of the evaporator 10 flows through the exhaust gas passage 16 of the evaporator 10 and is discharged from the exhaust gas outlet 13. The exhaust gas E2 discharged from the exhaust gas discharge port 13 to the outside of the evaporator 10 flows through the exhaust gas discharge pipe 3 shown in FIG. 1 and is processed by, for example, an exhaust gas processing device.

  The exhaust gas E1 flowing through the exhaust gas flow channel 16 of the evaporator 10 shown in FIG. 2 is heated by the inter-device heat transfer wall 14 that has reached the high temperature on the lower surface of the combustor 20 while flowing through the exhaust gas flow channel 16. Further, the exhaust gas E1 flowing through the exhaust gas flow channel 16 heats the heat transfer wall 17 between the flow channels of the evaporator 10 to a high temperature. Thereby, the utilization efficiency of heat improves and the heat transfer wall 17 between the channels of the evaporator 10 can be heated to a higher temperature.

  Here, in the present embodiment, the exhaust gas passage 16 of the evaporator 10 is formed in a spiral shape adjacent to the inter-device heat transfer wall 14 on the lower surface of the combustor 20. Thereby, the area of the heat transfer surface between the exhaust gas E1 flowing through the exhaust gas flow channel 16 and the inter-device heat transfer wall 14 can be increased. Therefore, the heat of the inter-device heat transfer wall 14 on the lower surface of the combustor 20 that has reached a high temperature due to the heat of the combustor 20 can be efficiently transmitted to the exhaust gas E1 flowing through the exhaust gas flow path 16, and the exhaust gas E1 is more Can be heated to high temperatures. Therefore, the inter-channel heat transfer wall 17 of the evaporator 10 can be heated to a higher temperature by the exhaust gas E1 flowing through the exhaust gas channel 16.

On the other hand, as shown in FIGS. 6 and 7, for example, the raw material G0 made of a mixed liquid of glycerin and water flows through the raw material supply pipe 2 shown in FIG. 1 and is introduced into the raw material inlet 12 of the evaporator 10. Is done. The raw material G0 introduced into the raw material inlet 12 is discharged from the preheated raw material outlet 18 through the preheat channel 15 as shown in FIG.
During this time, the raw material G0 flowing through the preheating channel 15 is heated by the inter-channel heat transfer wall 17 of the evaporator 10 that has reached a high temperature. Thereby, the raw material G0 can be preheated to a desired temperature / phase state. In the present embodiment, the raw material G0 is heated to a temperature of, for example, about 290 ° C. to evaporate, and a raw material G0 vapor G1 composed of glycerin vapor and water vapor is generated.

  Furthermore, in this embodiment, the inter-device heat transfer wall 14 is heated by the heat generated by the combustor 20 and becomes high temperature. And the raw material G0 which distribute | circulates the preheating flow path 15 is heated by the inter-apparatus heat transfer wall 14 which reached high temperature in addition to the inter-flow path heat transfer wall 17 of the evaporator 10. Therefore, according to the present embodiment, heat generated in the combustor 20 can be more efficiently transmitted to the raw material G0 flowing through the preheating flow path 15, and the raw material G0 can be more efficiently brought to a desired temperature and phase state. can do.

  In addition, in the present embodiment, the preheating channel 15 is formed in a spiral shape adjacent to the inter-channel heat transfer wall 17. Therefore, the area of the heat transfer surface where heat is transferred between the heat transfer wall 17 between the channels of the evaporator 10 and the raw material G0 of the preheating channel 15 increases. Thereby, the heat of the inter-channel heat transfer wall 17 of the evaporator 10 that has reached a high temperature can be more efficiently transmitted to the raw material of the preheating channel 15.

  The steam G1 discharged from the preheated raw material discharge port 18 of the evaporator 10 circulates in the preheated raw material transport pipe 51 shown in FIG. 3, and from the preheated raw material introduction port 38 of the reformer 30 shown in FIG. be introduced. The steam G1 introduced from the preheated raw material introduction port 38 flows through the reforming flow path 36 and is discharged from the reformed gas discharge port 33.

  During this time, the steam G 1 is heated by the inter-device heat transfer wall 24 that has reached a high temperature on the upper surface side of the combustor 20 in the reforming flow path 36 and the inter-flow path heat transfer wall 37 of the reformer 30. Steam reforming is performed by the catalyst in the mass flow path 36. When the steam G1 is composed of, for example, glycerin steam and water vapor, a reformed gas G2 that is a mixed gas of hydrogen, carbon dioxide, and carbon monoxide is formed by a reforming reaction represented by the following formula (1). Generated. The reforming reaction is an endothermic reaction.

aC ₃ H ₈ O ₃ + bH ₂ O = cH ₂ + dCO ₂ + eCO (1)
(Where a, b, c, d, and e are positive integers)

  Here, in the present embodiment, the steam G1 introduced into the reforming flow path 36 of the reformer 30 flows between the equipment heat transfer wall 24 and the flow path that have become high temperature while flowing through the reforming flow path 36. It is heated by both of the heat transfer walls 37. Thereby, the reforming reaction of the steam G1 is promoted. Therefore, according to the present embodiment, heat generated in the combustor 20 can be more efficiently transmitted to the steam G1 flowing through the reforming flow path 36, and the reforming efficiency of the steam G1 can be further improved. it can.

  In the present embodiment, the reforming channel 36 is formed in a spiral shape. Thereby, the area of the heat transfer surface where the heat transfer wall 37 between the channels transfers heat to the reforming channel 36 increases. Therefore, the heat of the inter-channel heat transfer wall 37 that has reached a high temperature can be more efficiently transmitted to the steam G1 of the reforming channel 36.

  The reformed gas G2 discharged from the reformed gas outlet 33 of the reformer 30 shown in FIG. 4 flows through the reformed gas transport pipe 6 shown in FIG. It is introduced into the reformed gas inlet 42. The reformed gas G2 introduced into the reformed gas inlet 42 flows through the reaction channel 47 and is discharged from the synthesis gas outlet 46.

  During this time, water vapor and carbon monoxide remaining in the reformed gas G2 react by a shift reaction represented by the following formula (2) to generate hydrogen and carbon dioxide. Thereby, the synthesis gas G3 mainly containing hydrogen and carbon dioxide is produced. The shift reaction is an exothermic reaction.

CO + H ₂ O = CO ₂ + H ₂ (2)

The synthesis gas G3 discharged from the synthesis gas outlet 46 of the shift reactor 40 is stored, for example, in a synthesis gas storage tank or sent to a CO ₂ removal machine via the synthesis gas transport pipe 9 shown in FIG. It is done. A part of the synthesis gas G3 is introduced into the combustion gas inlet 22 of the combustor 20 via the synthesis gas supply path 9B and the combustion gas transport pipe 4 shown in FIG.

  Here, in this embodiment, since the inter-device heat transfer wall 34 is provided between the shift reactor 40 and the reformer 30, the inter-device heat transfer is caused by the heat generated by the shift reaction of the shift reactor 40. The wall 34 is heated to a high temperature. The inter-device heat transfer wall 34 is also heated by the exhaust gas E0 flowing through the exhaust gas flow path 35 of the reformer 30 and becomes high temperature. Then, the steam G1 flowing through the reforming flow path 36 of the reformer 30 is heated by the inter-device heat transfer wall 34 that has reached a high temperature. Therefore, both the heat generated in the shift reactor 40 and the heat of the exhaust gas E0 in the exhaust gas flow path 35 of the reformer 30 are recovered, and the steam G1 flowing through the reforming flow path 36 of the reformer 30 is recovered. The steam G1 can be heated more efficiently.

  Further, by providing the synthesis gas supply path 9 </ b> B for supplying the synthesis gas G <b> 3 to the combustor 20, the synthesis gas G <b> 3 can be used as the combustion gas of the combustor 20. Therefore, the supply of combustion gas from the outside becomes unnecessary or the supply amount can be minimized.

  In addition, air A0 is introduced into the air introduction port 45 of the shift reactor 40 through an air introduction pipe, for example, by a compressor. The air A0 introduced from the air inlet 45 of the shift reactor 40 flows through the heating channel 48 and is discharged from the air outlet 43.

  Here, in the present embodiment, the reaction channel 47 and the heating channel 48 are formed in a so-called Swiss roll type spiral shape that is alternately adjacent to each other via the inter-channel heat transfer wall 49. Therefore, due to the shift reaction of the reformed gas G2 introduced into the reaction channel 47 of the shift reactor 40, the inter-channel heat transfer wall 49 of the shift reactor 40 is heated to a high temperature. The air A 0 introduced into the heating channel 48 of the shift reactor 40 is heated by the inter-channel heat transfer wall 49 that has reached a high temperature while flowing through the heating channel 48. In addition, the area of the heat transfer surface through which the heat transfer wall 49 between the channels of the shift reactor 40 transfers heat increases. Thereby, the heat of the inter-channel heat transfer wall 49 that has reached a high temperature can be transmitted to the air A0 of the heating channel 48 more efficiently.

  The air A0 flowing through the heating flow path 48 of the shift reactor 40 is heated by the inter-device heat transfer wall 34 on the upper surface of the reformer 30 that has reached a high temperature. Thereby, the air A0 flowing through the heating channel 48 can be heated by both the inter-channel heat transfer wall 49 and the inter-device heat transfer wall 34 of the shift reactor 40, and heat utilization efficiency is improved. Further, since the heating channel 48 is formed in a spiral shape adjacent to the inter-channel heat transfer wall 49, the area of the heat transfer surface between the inter-channel heat transfer wall 49 and the air A0 increases. Therefore, the heat of the inter-channel heat transfer wall 49 can be transferred to the air A1 more efficiently.

The air A1 discharged from the air discharge port 43 of the shift reactor 40 is introduced into the combustion gas introduction port 22 of the combustor 20 through the air transport pipe 7 and the combustion gas transport pipe 4 shown in FIG.
Here, in the present embodiment, the air A1 introduced and heated into the shift reactor 40 is supplied to the combustion gas introduction path 26 of the combustor 20, thereby further improving the combustion efficiency of the combustor 20 and increasing the thermal efficiency. It can be improved further.

  Further, in the reformer 1 of the present embodiment, as shown in FIG. 1, the evaporator 10, the combustor 20, the reformer 30, and the shift reactor 40 each formed in a substantially cylindrical shape, The reformer 1 is provided adjacent to the height H direction. Therefore, even when the reformer 1 is reduced in the height H direction, the area of the inter-device heat transfer walls 14, 24, 34 can be secured. Therefore, both the downsizing of the reformer 1 and the improvement in thermal efficiency can be realized.

  As described above, according to the reformer 1 of the present embodiment, the heat of the exhaust gas E0, E1 of the combustor 20 is transferred to the heat transfer walls 17, 28, 37 between the flow paths and the heat transfer walls 14, 24 between the devices. , 34, the thermal efficiency can be improved and the combustion heat can be used more effectively. Therefore, the reforming efficiency of the steam G1 and the reaction efficiency of the reformed gas G2 can be improved, and the reformed gas G2 and the synthesis gas G3 can be obtained more efficiently.

  The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention. For example, the combustor is not limited to a Swiss roll type as described in the above embodiment.

  FIG. 8 is a view showing a modification of the combustor, where (a) is a longitudinal sectional view of the combustor, and (b) is a sectional view taken along line E-E 'of (a). The combustor 110 shown in FIGS. 8A and 8B includes a combustion gas supply path 126 at the center and is adjacent to the substantially center of the inter-device heat transfer wall 114 between the combustor 110 and the reformer 30. Thus, a combustion chamber 125 is formed. The exhaust gas discharge passage 127 is provided around the combustion gas supply passage 126, and an inter-flow passage heat transfer wall 128 is formed between the exhaust gas discharge passage 127 and the combustion gas supply passage 126. In the middle of the exhaust gas discharge path 127, an exhaust gas discharge port 123 is provided. The exhaust gas discharge port 123 is connected to the exhaust gas introduction port 32 of the reformer 30 similar to the above-described embodiment via the exhaust gas transport pipe 5. According to such a configuration, the same effects as those of the above-described embodiment can be obtained.

In addition, the reformer may be provided with a reformed gas supply path for supplying the reformed gas discharged from the reformer to the combustion gas introduction path of the combustor. Thereby, reformed gas can be used as combustion gas. Therefore, it is not necessary to supply combustion gas from the outside of the apparatus during operation of the apparatus, or the supply amount can be minimized.
In the above-described embodiment, the positions of the reformer and the evaporator may be interchanged. Further, the evaporator may be divided into a raw material and a water vapor, and a part of the vaporized raw material discharged from the raw material evaporator may be used as a combustion starting fuel.

It is a perspective view of the reformer in the embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line A-A ′ in FIG. 1. It is arrow sectional drawing which follows the B-B 'line of FIG. FIG. 2 is a cross-sectional view taken along line C-C ′ in FIG. 1. It is arrow sectional drawing which follows the D-D 'line | wire of FIG. It is a schematic diagram which shows the flow of the fluid of the reformer in embodiment of this invention. It is a schematic diagram which shows the process flow of the reformer in embodiment of this invention. It is a modification of the combustor in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Reformer, 7 Air transport pipe (air supply path), 9B Syngas supply path, 10 Evaporator (preheater), 14 Heat transfer wall between apparatuses (2nd heat transfer wall between apparatuses), 15 Preheat flow path , 16 Exhaust gas flow path (second exhaust gas flow path), 17 Heat transfer wall between flow paths (third heat transfer wall between flow paths), 20 Combustor, 24 Heat transfer wall between devices, 25 Combustion chamber, 26 Combustion Gas introduction path, 27 exhaust gas discharge path, 28 heat transfer wall between channels (second heat transfer wall between flow paths), 30 reformer, 34 heat transfer wall between devices (third heat transfer wall between devices), 35 exhaust gas flow path, 36 reforming flow path, 37 heat transfer wall between flow paths, 40 shift reactor, 47 reaction flow path, 48 heating flow path, 49 heat transfer wall between flow paths (heat transfer between 4th flow paths) Wall) H height, G0 raw material, G2 reformed gas, G3 combustion gas (syngas), E0 exhaust gas

Claims (11)

A reformer that introduces and heats the raw material and discharges the generated reformed gas, a combustor that introduces and burns the combustion gas into the combustion chamber and discharges the generated exhaust gas, and introduces and heats the raw material And a preheater that discharges the heated raw material and introduces it into the reformer,
Between the reformer and the combustor, an inter-device heat transfer wall is provided that transmits heat generated in the combustor to the reformer,
The reformer includes a reforming channel for reforming the raw material by a reforming reaction using a catalyst, an exhaust gas channel through which the exhaust gas discharged from the combustor flows, and the exhaust gas in the exhaust gas channel. An inter-channel heat transfer wall that transfers heat to the raw material of the reforming channel, and
In the combustor, a combustion gas introduction path for introducing the combustion gas, an exhaust gas discharge path for exhausting the exhaust gas, and a heat that transmits heat of the exhaust gas in the exhaust gas discharge path to the combustion gas in the combustion gas introduction path. A heat transfer wall between the two flow paths,
The reforming flow path of the reformer is provided adjacent to the combustor via the inter-device heat transfer wall and adjacent to the exhaust gas flow path via the inter-flow path heat transfer wall. Provided ,
Between the combustor and the preheater, there is provided a second inter-device heat transfer wall that transmits heat generated in the combustor to the preheater,
In the preheater, heat of the exhaust gas in the preheat channel through which the raw material flows, a second exhaust gas channel through which the exhaust gas discharged from the reformer flows, and the second exhaust gas channel is supplied. A third inter-channel heat transfer wall is provided for transmitting to the raw material of the preheating channel,
The preheat channel of the preheater is provided adjacent to the combustor via the second inter-device heat transfer wall, and the second exhaust gas channel and the preheat channel are the third Are provided adjacent to each other through the heat transfer wall between the flow paths,
Between the preheater and the reformer, a preheated raw material transport pipe for introducing the raw material heated by the preheater into the reformer is provided through the combustor, and A reformer, wherein an exhaust gas transport pipe for introducing the exhaust gas discharged from the reformer into the preheater is provided so as to penetrate the combustor .   The exhaust gas flow path of the reformer is provided adjacent to the combustor via the inter-device heat transfer wall, and the reforming flow path and the exhaust gas flow path are the heat transfer wall between the flow paths. The reformer according to claim 1, wherein the reformer is formed in a spiral shape alternately adjacent to each other.   The combustion gas introduction path and the exhaust gas discharge path of the combustor are provided adjacent to the reformer via the inter-device heat transfer wall, respectively, and the second inter-flow path heat transfer wall is provided. The reformer according to claim 1, wherein the reformer is formed in a spiral shape alternately adjacent to each other. The reformer and the combustor are each formed in a cylindrical shape in the height direction from the bottom surface to the top surface,
The said reformer and the said combustor are provided adjacent to the said height direction through the said heat exchanger wall between apparatuses, The Claim 1 thru | or 3 characterized by the above-mentioned. Reformer. The second exhaust gas flow path of the preheater is provided adjacent to the combustor via the second inter-device heat transfer wall, and the preheating flow path and the second exhaust gas flow path are: The reformer according to any one of claims 1 to 4, wherein the reformer is formed in a spiral shape that is alternately adjacent to each other through the third heat transfer wall between flow paths. A shift reactor for introducing the reformed gas to cause a shift reaction and discharging the generated synthesis gas;
Between the shift reactor and the reformer is provided a third inter-device heat transfer wall that transfers heat generated in the shift reactor to the reformer,
The reforming channel and the exhaust gas channel of the reformer are respectively provided adjacent to the shift reactor via the third inter-device heat transfer wall. 5. The reformer according to 5 . The shift reactor includes a reaction flow path for circulating the reformed gas to generate the synthesis gas by the shift reaction, a heating flow path for heating by circulating air, and the shift reaction of the reaction flow path. A fourth inter-channel heat transfer wall that transmits generated heat to the air in the heating channel;
The reaction channel and the heating channel of the shift reactor are provided adjacent to each other through the fourth inter-channel heat transfer wall,
The reforming apparatus according to claim 6 , further comprising an air supply path for supplying the air discharged from the heating flow path to the combustion gas introduction path of the combustor. The reaction channel and the heating channel of the shift reactor are provided adjacent to the reformer via the third inter-device heat transfer wall, and the fourth inter-channel heat transfer wall. The reformer according to claim 7 , wherein the reformer is formed in a spiral shape alternately adjacent to each other. The synthesis gas discharged from the shift reactor, any one of claims 6 to 8, characterized in that the synthesis gas supply passage for supplying the combustion gas introducing passageway of the combustion device is provided with The reformer described in 1. The reformed gas discharged from the reformer, any of claims 1 to 9, characterized in that the combustor reformed gas supply passage for supplying the combustion gas introducing passageway of is provided The reformer according to one item. The catalyst, Ni, Cu, Pt, Rh , Ce, Al, Ru, in any one of claims 1 to 10, characterized in that one or more elements selected from Y The reformer described.

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