JP6505938B1 - Hydrogen production equipment - Google Patents

Abstract

An object of the present invention is to improve the maintenance and inspection workability of a burner disposed in a multi-tubular reformer.
A hydrogen production apparatus (10) comprises a multi-cylinder reformer (12), a hydrogen purifier (16), and a housing (50). The multi-cylinder reformer 12 has a reforming catalyst layer 24C having a reforming catalyst, and a burner 22 disposed so as to be able to be taken in and out from the opening of the cylinder upper portion into the combustion space formed in the cylinder. The reforming catalyst layer 24C is heated by the burner 22. The hydrogen purifier 16 purifies the reformed gas and delivers hydrogen gas. The multi-cylinder reformer 12 and the hydrogen purifier 16 are housed in a housing 50. In the case 50, an upper opening K2 through which the burner 22 can pass is formed in the top surface portion 52.
[Selected figure] Figure 3

Description

  The present invention relates to a hydrogen production apparatus.

  Conventionally, as a hydrogen production apparatus for obtaining hydrogen, one is known which reforms a raw material hydrocarbon into a reformed gas by a reformer and then supplies the reformed gas to a hydrogen purifier (see, for example, Patent Document 1) . In the hydrogen production apparatus of Patent Document 1, reforming water is supplied to a reformer together with city gas, steam reforming is performed to generate a reforming gas containing hydrogen, and the reforming gas is purified by a hydrogen purifier. Produces high purity product hydrogen.

JP, 2017-88490, A

  In the reformer of such a hydrogen production apparatus, when the combustion unit serving as a heat source is disposed inside a multi-cylindrical cylinder, it is necessary to take the burner out of the reformer in order to perform maintenance on the burner. Therefore, for maintenance of the burner, a sufficient space for taking out the burner is provided between the reformer and the top surface of the case, or if the space can not be secured, the reformer is taken out of the case It is necessary to take the burner out of the reformer.

  However, if a sufficient space for taking out the burner is provided between the reformer and the top surface of the housing, the height of the housing becomes high, and the apparatus becomes large. Moreover, when maintaining only a burner, it is complicated to take out the reformer from the housing.

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a hydrogen production apparatus in which the maintenance and inspection workability of a burner disposed in a multi-tubular reformer is improved.

  The hydrogen production apparatus according to claim 1 has a multi-tubular shape and includes a reforming unit having a reforming catalyst that reforms the raw material into a reformed gas containing hydrogen, and a combustion space formed in the cylinder at the top of the cylinder. A reformer having a burner arranged so as to be able to be taken in and out from an opening and heating the reformer, a hydrogen purifier which purifies the reformed gas and delivers hydrogen gas, the reformer and the hydrogen purifier Is housed, a maintenance / inspection port is formed on the side wall, and a housing is provided with an upper opening on the top surface from which the burner can be taken out.

  The hydrogen production apparatus according to claim 1 includes a reformer, a hydrogen purifier, and a housing. The reformer has a multi-tubular shape, and includes a reformer having a reforming catalyst, and a burner disposed in a combustion space formed in the cylinder so as to be able to be taken in and out from the opening of the cylinder upper portion. The reformer is heated by the burner. The hydrogen purifier purifies the reformed gas to deliver hydrogen gas. The reformer and the hydrogen purifier are housed in a housing. An upper opening is formed in the top surface of the housing.

  Since the hydrogen production apparatus has an upper opening from which the burner can be removed, the burner can be moved from the upper opening to the outside of the reformer even if there is no space in the housing for lifting the burner above the reformer. It can be taken out. Thereby, the maintenance and inspection workability of the burner disposed in the multiple cylindrical reformer can be improved.

  In the hydrogen production apparatus according to claim 2, a maintenance and inspection port is formed on a side wall of the housing.

  According to the hydrogen production apparatus of the second aspect, the maintenance and inspection port is formed in the side wall, so maintenance and inspection of the hydrogen production apparatus can be performed by accessing the inside of the casing from the maintenance and inspection port of the side wall. .

  In the hydrogen production apparatus according to claim 3, the upper opening is formed at a position corresponding to the upper side of the burner.

  According to the hydrogen production apparatus of the third aspect, the upper opening is formed at a position corresponding to the upper side of the burner, so that the burner can be moved upward from the combustion space and can be easily taken out from the upper opening.

  In the hydrogen production apparatus according to a fourth aspect, the distance between the top surface of the housing and the top surface of the reformer is shorter than the length in the longitudinal direction of the burner.

  According to the hydrogen producing apparatus of the fourth aspect, since the distance between the top surface of the housing and the upper surface of the reformer is shorter than the length in the longitudinal direction of the burner, the size of the hydrogen producing apparatus can be made compact. Can.

  In the hydrogen production apparatus according to claim 5, the upper opening is sized to allow the reformer to pass through.

  According to the hydrogen production apparatus of the fifth aspect, the reformer can be taken out from the upper opening to the outside of the housing, and the maintenance and inspection workability of the reformer can be improved.

  The hydrogen production apparatus according to claim 6 covers the upper opening and has an openable / closable lid.

  According to the hydrogen production apparatus of the sixth aspect, the upper opening can be covered by the open / close lid to protect the inside of the housing.

  According to the present invention, it is possible to improve the maintenance and inspection workability of the burner disposed in the multi-tubular reformer.

It is a schematic block diagram showing a hydrogen production device concerning this embodiment. It is sectional drawing which showed the multi cylinder type reformer of the hydrogen production apparatus which concerns on this embodiment. It is the schematic which showed arrangement | positioning of the housing | casing of the hydrogen production apparatus which concerns on this embodiment, and each apparatus. It is the schematic which showed the multiple cylinder type reformer and housing | casing in the hydrogen production apparatus which concern on this embodiment, (A) is a state in which a burner is arrange | positioned in a combustion part, (B) is a burner which is a combustion part Is a diagram of the state taken out of.

  An example of a hydrogen production apparatus 10 according to an embodiment of the present invention will be described according to the drawings. As shown in FIG. 1, the hydrogen production apparatus 10 according to the present embodiment includes a multi-cylinder reformer 12, a compressor 14, a hydrogen purifier 16, and an off gas tank 18. Further, the pre-pressurization water separation unit 30, the post-pressurization water separation unit 32, and the combustion exhaust gas water separation unit 34 are provided. The hydrogen production apparatus 10 produces hydrogen from a hydrocarbon raw material, and as an example of the hydrocarbon raw material, a city gas mainly containing methane is used. In addition, in FIG. 1, the structure of the hydrogen production apparatus 10 is shown roughly, and the hydrogen production apparatus 10 may include another structure.

  As shown in FIG. 2, the multi-cylinder reformer 12 has a plurality of cylindrical walls 20A, 20B, 20C, and 20D arranged in multiples, and has a multi-tube shape. The plurality of cylindrical walls 20A, 20B, 20C, and 20D are formed in, for example, a cylindrical shape or an elliptical cylindrical shape. A combustion portion 21 which is a combustion space is formed in the first cylindrical wall 20A from the inner side among the plurality of cylindrical walls 20A, 20B, 20C, and 20D. A combustion exhaust gas flow passage 23 is formed between the first cylindrical wall 20A and the second cylindrical wall 20B. Moreover, the 1st flow path 24 is formed between the 2nd cylindrical wall 20B and the 3rd cylindrical wall 20C. Furthermore, a second flow passage 25 is formed between the third cylindrical wall 20C and the fourth cylindrical wall 20D.

  An upper portion of the first flow passage 24 is formed as a preheating flow passage 24A, and a spiral member 24B is provided in the preheating flow passage 24A. The preheating flow path 24A is formed in a spiral shape by the spiral member 24B. A raw material supply pipe P1 for supplying a city gas as a raw material and a reforming water supply pipe P9 for supplying reforming water are connected to an upper end portion of the preheating flow path 24A. To the preheating flow path 24A, the city gas is supplied from the raw material supply pipe P1, and the reforming water is supplied from the reforming water supply pipe P9. The city gas and the reforming water flow from the upper side to the lower side in the preheating flow path 24A, and are heat-exchanged with the combustion exhaust gas via the second cylindrical wall 20B to vaporize the water. In the preheating flow path 24A, a mixed gas is generated by mixing the city gas and the reforming water (steam) in the gas phase.

  In addition, in this embodiment, although city gas is used as a raw material, if it is a gas which can be steam-reformed, it will not be specifically limited, A hydrocarbon fuel can be used. Examples of hydrocarbon fuels include natural gas, LP gas (liquefied petroleum gas), coal reformed gas, and lower hydrocarbon gas.

  A reforming catalyst layer 24C is provided below the preheating flow path 24A in the first flow path 24. The reforming catalyst layer 24C is provided with a catalyst for steam reforming / carbon dioxide reforming city gas to generate a reformed gas containing hydrogen as a main component. The mixed gas (city gas and water vapor, or city gas, water vapor, and carbon dioxide gas) generated in the preheating flow path 24A is supplied to the reforming catalyst layer 24C. In the reforming catalyst layer 24C, the mixed gas is heated by the combustion exhaust gas flowing through the combustion exhaust gas flow path 23, and a reforming gas containing hydrogen as a main component is generated by the steam reforming reaction and the carbon dioxide reforming reaction.

  The second flow path 25 is disposed radially outside the first flow path 24, and the lower end portion of the second flow path 25 is in communication with the lower end portion of the first flow path 24. In the second flow path 25, a CO shift catalyst layer 26 and a CO selective oxidation catalyst layer 27 are formed at positions corresponding to the preheating flow path 24A. In the CO shift catalyst layer 26, carbon monoxide and steam contained in the reformed gas react with each other to convert them into hydrogen and carbon dioxide, thereby reducing carbon monoxide.

  The CO selective oxidation catalyst layer 27 is disposed downstream of the CO shift catalyst layer 26. Between the CO shift catalyst layer 26 and the CO selective oxidation catalyst layer 27, an oxidant gas supply pipe P2B for supplying an oxidant gas is connected. In the CO selective oxidation catalyst layer 27, carbon monoxide is reacted with oxygen to be converted to carbon dioxide, and carbon monoxide is removed. A reformed gas discharge pipe P3 is connected to the upper end portion of the second flow path 25 on the downstream side of the CO selective oxidation catalyst layer 27. The reformed gas is delivered from the reformed gas discharge pipe P3 after carbon monoxide is removed by the CO selective oxidation catalyst layer 27.

  Although the CO selective oxidation catalyst layer 27 is provided in the present embodiment, the CO selective oxidation catalyst layer 27 is not essential, and the CO selective oxidation catalyst layer 27 may not be provided. In this case, the oxidant gas supply pipe P2B is also unnecessary.

  The burner 22 is inserted from above into the combustion section 21 and disposed downward. The burner 22 has a long cylindrical shape, and the length in the long direction is S1. An off gas pipe P7 is connected to the burner 22, and an off gas described later is supplied as a fuel from the off gas pipe P7. Further, an air supply pipe P2 for supplying combustion air is connected to an upper end portion of the combustion unit 21. The burner 22 is further connected to a raw material branch pipe P1A branched from the raw material supply pipe P1. An air branch pipe P2A branched from the air supply pipe P2 is connected to the raw material branch pipe P1A. The burner 22 is supplied with gas in which air is mixed with city gas, separately from the off gas. One or both of the offgas for combustion and the city gas are supplied as needed.

  The combustion exhaust gas passage 23 is formed on the radially outer side of the combustion unit 21, and the lower end portion of the combustion exhaust gas passage 23 is in communication with the combustion unit 21. A gas discharge pipe P10 for discharging a gas is connected to an upper end portion of the combustion exhaust gas flow path 23. The gas discharge pipe P <b> 10 is connected to the upper end surface of the multi-cylinder reformer 12. The combustion exhaust gas discharged from the combustion section 21 flows upward from the lower side of the combustion exhaust gas flow path 23 and is discharged to the outside of the multi-tube reformer 12 through the gas discharge pipe P10.

  The multi-cylinder reformer 12 is connected to the pre-pressurization water separation unit 30 through the reformed gas discharge pipe P3, and the reformed gas delivered from the multi-cylinder reformer 12 is a pre-pressurization water It flows into the separation unit 30. A heat exchange unit HE1 is provided on the upstream side of the pre-pressurization water separation unit 30, and the water vapor in the reformed gas is condensed to separate the gas and liquid in the pre-pressurization water separation unit 30. The pre-pressurization water separation unit 30 is connected to the compressor 14 via the flow path pipe P4, and the reformed gas in which water is separated from the reformed gas in the pre-pressurization water separation unit 30 is sent to the compressor 14 To flow. A reformed gas water pipe P8A is connected to the bottom of the pre-pressurized water separation unit 30, and water separated from the reformed gas by condensation is delivered to the reformed gas water pipe P8A.

  The compressor 14 compresses the reformed gas supplied from the pre-pressurization water separation unit 30 with a pump. The compressor 14 is connected to the post-pressurization water separation unit 32 via the flow path pipe P5, and the reformed gas compressed by the compressor 14 flows into the post-pressurization water separation unit 32. A heat exchange unit HE2 is provided on the upstream side of the post-pressurization water separation unit 32, and the water vapor in the reformed gas is condensed to separate the gas and liquid in the post-pressurization water separation unit 32. The post-pressurization water separation unit 32 is connected to the hydrogen purifier 16 through the flow path pipe P6. A buffer tank 36 is provided in the flow path pipe P6, and the reformed gas delivered from the post-pressurized water separation unit 32 is leveled in pressure fluctuation in the buffer tank 36 and supplied to the hydrogen purifier 16 . A reformed gas water pipe P8B is connected to the bottom of the post-pressurization water separation unit 32, and water separated from the reformed gas by condensation is delivered to the reformed gas water pipe P8B.

  The hydrogen purifier 16 is connected to the downstream end of a flow path pipe P6 through which the reformed gas from the post-pressurized water separation unit 32 flows. For the hydrogen purifier 16, a PSA device is used as an example. By separating the reformed gas into impurities and hydrogen by the hydrogen purifier 16, hydrogen is purified. A hydrogen supply pipe P11 is connected to the hydrogen purifier 16. The purified hydrogen is delivered to the hydrogen supply pipe P11, stored in a tank (not shown), or delivered to a hydrogen supply line.

  The hydrogen purifier 16 is connected to the upstream end of the off gas pipe P7. The downstream end of the off gas pipe P <b> 7 is connected to the combustion unit 21 of the multi-cylinder reformer 12. The hydrogen purifier 16 delivers the off gas separated by hydrogen purification to the off gas pipe P7. An off gas tank 18 is provided in the off gas pipe P7. The off gas is temporarily stored in the off gas tank 18, flows through the off gas pipe P7, and is supplied to the burner 22 of the multi-cylinder reformer 12 as fuel.

  In the combustion unit 21, the combustible gas including the off gas is supplied to the combustion, and the combustion heat is supplied to the heating of the multi-cylinder reformer 12. A gas discharge pipe P10 for discharging the combustion exhaust gas is connected to the combustion unit 21. The downstream end of the gas discharge pipe P10 is connected to the flue gas water separation unit 34. The combustion exhaust gas discharged to the gas discharge pipe P10 flows into the combustion exhaust gas water separation unit 34. A heat exchange unit HE3 is provided on the upstream side of the combustion exhaust gas water separation unit 34, and the water vapor in the combustion exhaust gas is condensed to separate the gas and liquid in the combustion exhaust water separation unit 34. The combustion exhaust gas after water is separated is discharged to the outside from the external discharge pipe P12. A flue gas water pipe P8C is connected to the bottom of the flue gas water separation unit 34, and the water separated from the flue gas by condensation is delivered to the flue gas water pipe P8C.

  At the bottom of the hydrogen production apparatus 10, a water tank 40 is disposed. The water tank 40 is connected to reformed gas water pipes P8A and P8B and a flue gas water pipe P8C.

  The water tank 40 is connected to the upstream end of the reforming water supply pipe P9. The reformed water supply pipe P9 is provided with a water processor (ion exchange resin) 42 for removing dissolved ion components. In addition, a pump 44 is provided in the reforming water supply pipe P9, and the water stored in the water tank 40 is supplied to the multi-tubular reformer 12 through the water processor 42 by driving the pump 44. Ru.

  As shown in FIG. 3, each part of the hydrogen production apparatus 10 is housed in a housing 50. The case 50 has a box shape, and includes a top surface 52, a bottom surface 54, and a side surface 56. The side surfaces 56 have four surfaces, and are distinguished as a front surface 56A, a back surface 56B, a right surface 56C, and a left surface 56D. A maintenance inspection port K1 is formed in the front portion 56A, and an open / close door 58 covering the maintenance inspection port K1 is provided. The open / close door 58 is an open / close door which rotates around a boundary between the right surface portion 56C or the left surface portion 56D.

  In the housing 50, the multiple cylindrical reformer 12, the pre-pressurized water separation unit 30, the post-pressurized water separation unit 32, and the combustion exhaust gas water separation unit 34 are disposed on the back surface 56B side. In FIG. 3, the post-pressurization water separation unit 32 and the combustion exhaust water separation unit 34 are illustrated together. The hydrogen purifier 16 and the compressor 14 are disposed closer to the front portion 56A than the multi-cylinder reformer 12, the pre-pressurized water separation unit 30, the post-pressurized water separation unit 32, and the combustion exhaust water separation unit 34. In FIG. 3, other devices are omitted.

  A circular upper opening K2 is formed in the top surface portion 52 of the housing 50 at a position corresponding to the combustion portion 21 of the multi-cylindrical reformer 12, and a disk-shaped lid 59 covering the upper opening K2 is provided. It is provided. The diameter A1 of the upper opening K2 is larger than the diameter A2 of the cross section of the burner 22, so that the burner 22 can pass through the upper opening K2. The diameter A1 of the upper opening K2 is smaller than the diameter A3 of the cross section of the multi-cylinder reformer 12.

  In the present embodiment, the open / close door 58 is described as an open / close system in which the boundary with the right surface portion 56C or the left surface portion 56D is the rotation center, but other open / close doors are used May be For example, it may be a slide type or a door that opens and closes by desorption.

  In addition, the open / close door 58 may not be provided and may not be opened or closed.

  The disk-shaped cover 59 for covering the upper opening K2 may also be an open / close type in which the center of rotation is provided at one position on the outer periphery and it rotates, or it slides along the top surface 52 It may be a slide type which opens and closes the upper opening K2 by this, and may be a lid which opens and closes the upper opening K2 by desorption.

  The distance D1 between the upper portion of the multi-tubular reformer 12 and the top surface 52 is shorter than the length S1 in the longitudinal direction of the burner 22.

(Action)
Next, the operation of the hydrogen production apparatus 10 will be described.

  In normal operation, the city gas and the reforming water are supplied from the raw material supply pipe P1 and the reforming water supply pipe P9 to the multi-tubular reformer 12, and the city gas and the reforming water are mixed in the preheating flow path 24A. While being heated, the mixed gas is supplied to the reforming catalyst layer 24C. In the reforming catalyst layer 24C, the mixed gas is steam-reformed by receiving heat from the flue gas flowing through the flue gas flow path 23, and a reformed gas mainly composed of hydrogen is generated. The reformed gas is supplied to the CO shift catalyst layer 26 through the reformed gas flow path 25. In the CO shift catalyst layer 26, carbon monoxide and steam contained in the reformed gas react with each other to convert them into hydrogen and carbon dioxide, thereby reducing carbon monoxide. The reformed gas that has passed through the CO shift catalyst layer 26 is supplied to the CO selective oxidation catalyst layer 27 together with the oxidizing gas (air) supplied from the oxidant gas supply pipe P2B, and carbon monoxide reacts with oxygen on the catalyst. It is converted to carbon dioxide and carbon monoxide is removed. The reformed gas whose carbon monoxide has been reduced by the CO selective oxidation catalyst layer 27 is delivered to the reformed gas discharge pipe P3.

The hydrogen production apparatus 10 is operated according to the demand for hydrogen. During hydrogen production, city gas and reforming water are supplied from the raw material supply pipe P1 and the reforming water supply pipe P9 to the multi-cylinder reformer 12. In the multi-cylinder reformer 12, the city gas and the reforming water are mixed and heated while being reformed by the reforming catalyst layer to generate a reforming gas mainly composed of hydrogen. The reformed gas is subjected to removal of carbon monoxide in the CO reduction unit and is delivered to a reformed gas discharge pipe P3.

  The reformed gas is supplied to the pre-pressurized water separation unit 30 through the heat exchanger H1 provided in the reformed gas discharge pipe P3. The steam contained in the reformed gas is condensed by cooling in the heat exchanger H1, separated from the reformed gas, and delivered to the water tank 40 through the reformed gas water pipe P8A. The reformed gas from which the water has been separated flows through the communication flow pipe P4, is supplied to the compressor 14, and is compressed by the compressor 14.

  The compressed reformed gas flows through the flow path pipe P6, passes through the heat exchanger H2, and is supplied to the water separation unit 32 after pressure increase. The steam contained in the reformed gas is condensed by cooling in the heat exchanger H2, separated from the reformed gas, and delivered to the water tank 40 through the reformed gas water pipe P8B. The reformed gas from which water has been separated flows through the flow pipe P6 and is supplied to the hydrogen purifier 16.

  In the hydrogen purifier 16, the reformed gas is separated into impurities and hydrogen, and the hydrogen is delivered to the hydrogen supply pipe P11. The delivered hydrogen is stored in a tank (not shown) or sent to a hydrogen supply line. On the other hand, the off gas containing impurities other than hydrogen separated from the reformed gas flows through the off gas pipe P7 and is supplied as the fuel to the combustion unit 21 of the multi-cylinder reformer 12.

  In the burner 22 of the combustion unit 21 of the multi-cylinder reformer 12, the off gas is burned, and the combustion exhaust gas is supplied to the combustion exhaust water separation unit 34 through the gas discharge pipe P10. The steam contained in the combustion exhaust gas is condensed by cooling in the heat exchanger H3 and separated from the combustion exhaust gas, and is delivered to the water tank 40 through the combustion exhaust water pipe P8C. The combustion exhaust gas from which the water has been separated is discharged to the outside through the external discharge pipe P12.

  When the maintenance inspection of the hydrogen production apparatus 10 is performed, the open / close door 58 is opened and the operation is performed. The hydrogen purifier 16 and the compressor 14 are disposed on the front portion 56A side, and are easy to access from the maintenance inspection port K1. Therefore, the hydrogen purifier 16 and the compressor 14 can be easily maintained at a higher frequency of maintenance than the multi-cylinder reformer 12, the pre-pressurized water separation unit 30, the post-pressurized water separation unit 32, and the combustion exhaust water separation unit 34. It can be accessed and the operability of maintenance inspection can be improved.

  Further, when performing maintenance and inspection work on the burner 22, as shown in FIG. 4B, the open / close lid 59 is opened, and the burner 22 is pulled upward from the combustion portion 21 of the multi-cylindrical reformer 12. , Take out of the case 50. As described above, since the burner 22 can be taken out with the multi-cylinder reformer 12 being disposed in the housing 50, maintenance and inspection workability of the burner can be improved.

  Further, since the upper opening K2 is formed at a position corresponding to the upper side of the burner 22, the burner 22 can be moved directly upward from the combustion portion 21 and can be easily taken out from the upper opening K2.

  Further, since the distance D1 between the top surface portion 56 of the housing 50 and the upper surface of the multi-tubular reformer 12 is shorter than the length S1 in the longitudinal direction of the burner 22, the size of the hydrogen producing apparatus 10 is made compact. be able to.

  Further, the diameter A1 of the upper opening K2 can be smaller than the diameter A3 of the cross section of the multi-tubular reformer 12, and the opening can be made compact.

  The diameter A1 of the upper opening K2 may be larger than the diameter A3 of the cross section of the multi-tubular reformer 12. By making the diameter A1 of the upper opening K2 larger than the diameter A3 of the cross section of the multiple cylinder reformer 12, the multiple cylinder reformer 12 can also be taken out of the housing 50 from the upper opening K2 Thus, the maintenance and inspection workability of the multi-tubular reformer 12 can be improved.

  Further, since the upper opening K2 is covered by the openable lid 59, the openable lid 59 can be closed to protect the inside of the housing 50 except during maintenance and inspection.

10 Hydrogen Production Equipment 12 Multi-Cylinder Reformer (Reformer)
16 hydrogen purifier 21 combustion unit (combustion space)
22 Burner 24C Reforming catalyst layer (reforming section)
50 case 52 top surface (top surface)
56 Side (sidewall)
59 Opening and closing lid K1 Maintenance inspection opening K2 Upper opening

Claims (6)

The reforming unit has a multi-tubular shape and includes a reforming unit having a reforming catalyst that reforms the raw material into a reformed gas containing hydrogen, and a combustion space formed in the cylinder so as to be able to be taken in and out from the opening of the cylinder upper portion A burner for heating the part;
A hydrogen purifier that purifies the reformed gas and delivers hydrogen gas;
A housing in which the reformer and the hydrogen purifier are housed, and a top opening is formed on the top surface of which the burner can be taken out;
Hydrogen production equipment equipped with   The hydrogen production apparatus according to claim 1, wherein a maintenance and inspection port is formed in a side wall of the housing.   The hydrogen production apparatus according to claim 1, wherein the upper opening is formed at a position corresponding to the upper side of the burner.   The hydrogen production apparatus according to any one of claims 1 to 3, wherein a distance between a top surface of the housing and an upper surface of the reformer is shorter than a length in a longitudinal direction of the burner.   The hydrogen production apparatus according to any one of claims 1 to 4, wherein the upper opening is sized to allow the reformer to pass therethrough.   The hydrogen production apparatus according to any one of claims 1 to 5, which covers the upper opening and has an openable / closable lid.