CN214745624U - Steam generator and hydrogen production system - Google Patents
Steam generator and hydrogen production system Download PDFInfo
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- CN214745624U CN214745624U CN202023213656.1U CN202023213656U CN214745624U CN 214745624 U CN214745624 U CN 214745624U CN 202023213656 U CN202023213656 U CN 202023213656U CN 214745624 U CN214745624 U CN 214745624U
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 40
- 239000001257 hydrogen Substances 0.000 title claims abstract description 40
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 87
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 239000002912 waste gas Substances 0.000 claims abstract description 44
- 238000005338 heat storage Methods 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 230000007613 environmental effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Fuel Cell (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model discloses a steam generator and hydrogen manufacturing system. The steam generator includes: an input portion for inputting a vapor generating medium; an output for outputting steam; a plurality of delivery pipes, one end of which is communicated with the input part and the other end of which is communicated with the output part, and used for delivering the steam; a heating section provided between the input section and the output section and forming a heating space for wrapping the plurality of conveyance pipes; wherein a high-temperature exhaust gas is introduced into the heating portion, and the high-temperature exhaust gas can heat the steam generating medium and the steam. The utility model discloses a high temperature waste gas heating vapour takes place the medium with vapour has reduced the heating cost, has realized right high temperature waste gas's recycle.
Description
Technical Field
The utility model relates to a fire burning furnace technical field, especially relate to a steam generator and hydrogen manufacturing system field.
Background
With the limited nature of conventional energy and the increasing prominence of environmental issues, new energy with the characteristics of environmental protection and regeneration is gaining more and more attention from various countries. With the limited nature of conventional energy and the increasing prominence of environmental issues, new energy with the characteristics of environmental protection and regeneration is gaining more and more attention from various countries. In the research of various new energy sources, hydrogen is the first choice of researchers in a completely clean combustion mode and with the advantage of being renewable.
In the prior art, the preparation of hydrogen often requires the use of a steam generator, which is a mechanical device that uses the heat energy of a fuel or other energy source to heat water into hot water or steam. The traditional industrial steam generator adopts firewood, coal, diesel oil and natural gas as fuel for heating, and China is the country where the coal-fired industrial steam generator is produced and used most in the world.
However, a large amount of high-temperature waste gas is generated after coal in the coal-fired industrial steam generator is combusted, and is often directly discharged into the air, so that waste is generated and the environment is polluted; the existing hydrogen production system needs to be provided with independent electric heating or other heating modes, and a large amount of energy and heat are consumed.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a steam generator and hydrogen manufacturing system has reduced the heating cost, has realized right high temperature waste gas's recycle, and be used for hydrogen manufacturing with this heat and use, very big improvement energy utilization, the cost is reduced.
In one aspect, embodiments of the present invention provide a steam generator, for example, including: an input portion for inputting a vapor generating medium; an output for outputting steam; at least one conveying pipeline, one end of which is communicated with the input part and the other end of which is communicated with the output part, and is used for conveying the steam; the heating part is arranged between the input part and the output part and forms a heating space for wrapping at least one conveying pipeline; wherein a high-temperature exhaust gas is introduced into the heating portion, and the high-temperature exhaust gas can heat the steam generating medium and/or the steam.
In an embodiment of the present invention, the steam generator further comprises, for example: the heat-insulating layer is also connected between the input part and the output part and is sleeved outside the heating part; wherein, the heat preservation layer is a vacuum heat preservation layer or a heat insulation layer.
The technical effect achieved after the technical scheme is adopted is as follows: and the heat transmission of the heating part to the external environment is blocked, so that the heat loss is reduced.
In an embodiment of the present invention, the heating portion further includes, for example: the waste gas input channel is connected to one end, close to the input part, of the heating part and is used for inputting the high-temperature waste gas to the heating part; the waste gas output channel is connected to one end, close to the output part, of the heating part and is used for outputting waste gas after heat exchange; wherein the high temperature exhaust gas heats at least one of the delivery pipes.
The technical effect achieved after the technical scheme is adopted is as follows: the heating cost is reduced, the high-temperature waste gas is recycled, and the energy utilization efficiency is improved.
In an embodiment of the present invention, the steam generator further comprises, for example: and a heat storage assembly filled in the heating space.
The technical effect achieved after the technical scheme is adopted is as follows: the heat accumulation subassembly can be preserved heat in the high temperature waste gas heats, avoids high temperature waste gas circulation fast, and the heat can not absorb in time just flow away, adopts the heat accumulation subassembly after, can fully absorb the heat, makes hot waste gas heat be persisted in the heat accumulation subassembly, later through the heat accumulation subassembly with the even transmission of heat for treating the heating medium, it is right to realize the homogeneity of high temperature waste gas's recycle and heat transfer.
In one embodiment of the present invention, the heat storage assembly includes, for example: the heat storage block wraps at least one conveying pipeline; wherein, the heat accumulation block is provided with a waste gas through hole.
The technical effect achieved after the technical scheme is adopted is as follows: the heat storage block can store heat in the hot waste gas, the circulation speed of the hot waste gas is high, the heat can be prevented from flowing away after being absorbed in time, after the heat storage block is adopted, the heat can be fully absorbed, the heat of the hot waste gas is reserved in the heat storage block, and then the heat is uniformly transmitted to a medium to be heated through the heat storage block, so that the hot waste gas is recycled.
In one embodiment of the present invention, the heat storage assembly includes, for example: and the fins are wound on at least one conveying pipeline, and each fin is provided with at least one heat storage ball.
The technical effect achieved after the technical scheme is adopted is as follows: the heat storage balls fully absorb heat in the hot waste gas, so that the heat of the hot waste gas is prevented from flowing away before the heat is absorbed due to high circulation speed of the hot waste gas, the heat of the hot waste gas is retained in the heat storage balls, and then the heat storage balls uniformly and continuously supply heat to the hydrogen reaction part; the fin is used for increasing the heating area of the hydrogen reaction part and has good heat winding performance, so that the heating efficiency of the hydrogen reaction part is improved.
In an embodiment of the present invention, the steam generator further comprises, for example: and an electric heater provided in the input unit or the output unit.
The technical effect achieved after the technical scheme is adopted is as follows: when the steam temperature does not reach production during the temperature, will steam output then can lead to hydrogen manufacturing reaction incomplete, causes the waste and makes the impurity in the hydrogen more, so adopt electric heater can with steam further heats, guarantees steam can reach production the temperature, in order to ensure hydrogen manufacturing reaction is complete.
In an embodiment of the present invention, the input unit includes: an inlet header provided with the electric heater and communicated with at least one of the delivery pipes for storing the vapor generating medium; an input pipe, which is communicated with the inlet header and is used for inputting the steam generating medium; wherein the vapor generating medium may overflow the inlet header into at least one of the delivery conduits.
The technical effect achieved after the technical scheme is adopted is as follows: after the steam generating medium enters the inlet header, the electric heater heats the steam generating medium, and the steam generating medium can be uniformly heated and evaporated in the inlet header to generate steam; the vapor generating medium overflows the inlet header into the plurality of delivery pipes, and the hot exhaust gas may heat the vapor generating medium.
In an embodiment of the present invention, the output unit includes: the outlet header is provided with the electric heater, is communicated with at least one conveying pipeline and is used for storing the steam; the output pipe is communicated with the outlet header and is used for outputting the steam;
the technical effect achieved after the technical scheme is adopted is as follows: the steam generating medium is heated and evaporated in the conveying pipeline to generate a large amount of steam, the steam is heated and then expanded, if the steam is directly output, the output pipe is easily damaged due to overlarge air pressure, so that the outlet header is added to collect and buffer the steam, and then the steam is output from the output pipe.
In another aspect, an embodiment of the present invention provides a hydrogen production system, for example, including: a steam generator as in any of the above embodiments; at least one hydrogen reaction device connected with the output pipe; wherein the vapor generator delivers the vapor to the hydrogen reaction device through the output.
The technical effect achieved after the technical scheme is adopted is as follows: the heating cost of the steam generation medium in the hydrogen production process is reduced, and the high-temperature waste gas is recycled.
In summary, the above embodiments of the present application may have the following advantages or beneficial effects: i) the heating cost is reduced, and the high-temperature waste gas is recycled; ii) the heat storage component can store the heat in the high-temperature waste gas for heating, so that the high-temperature waste gas can be recycled.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a steam generator 100 according to a first embodiment of the present invention.
Fig. 2 is an exploded view of the steam generator 100 of fig. 1.
Fig. 3 is a sectional view of the steam generator 100 of fig. 1.
Fig. 4 is a schematic view showing a positional relationship among the heat storage block 70, the heat insulating layer 50, and the vacuum insulating layer 60 in fig. 2.
Fig. 5 is a schematic view of the positional relationship among the conveying pipe 30, the heat storage block 70, the heat insulating layer 50, and the vacuum insulating layer 60 in fig. 2.
Fig. 6 is a schematic view of the input 10, the exhaust gas input channel 41 and the first exhaust gas header 43 of fig. 2.
Fig. 7 is a schematic view showing the connection of the output portion 20, the delivery pipe 30, and the exhaust gas output passage 42 in fig. 2.
Fig. 8 is a schematic structural view of the heat storage block 70 in fig. 2.
FIG. 9 is a schematic view showing the positional relationship among the outlet header 21, the delivery pipe 22 and the electric heater 80 in FIG. 2.
Fig. 10 is a schematic view showing a connection relationship between the input part 10, the delivery pipe 30 and the output part 20 in fig. 2.
Fig. 11 is a schematic structural diagram of a hydrogen production system 200 according to a second embodiment of the present invention.
Fig. 12 is a schematic structural diagram of the hydrogen production system 200 in fig. 11 from another perspective.
Description of the main element symbols:
100 is a steam generator; 10 is an input part; 11 is an inlet header; 12 is an input tube; 20 is an output part: 21 is an outlet header; 22 is an output pipe; 23 is a reinforcing flange; 30 is a plurality of conveying pipelines; 40 is a heating part; 41 is an exhaust gas input channel; 42 is an exhaust gas output channel; 43 is a first waste gas header; 44 is a second exhaust header; 45 is an exhaust gas channel flange; 50 is a heat insulation layer; 60 is a vacuum insulation layer; 70 is a heat storage block; 71 is an exhaust gas through hole; 80 is an electric heater; 90 is a temperature sensor;
200 is a hydrogen production system; 210 is a hydrogen reaction device; 211 is a vapor inlet; 212 is a hydrogen outlet; 220 is an exhaust gas conduit.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
[ first embodiment ] A method for manufacturing a semiconductor device
Referring to fig. 1, 2 and 3, there is provided a steam generator 100 according to a first embodiment of the present invention; a steam generator 100, for example, includes: an input section 10, an output section 20, a plurality or at least one delivery conduit 30, and a heating section 40. Wherein, the input part 10 is used for inputting the steam generating medium; the output part 20 is used for outputting steam; one end of the plurality of or at least one conveying pipeline 30 is connected with the output part 10, and the other end of the conveying pipeline is connected with the output part 20 for conveying the steam; the heating part 40 is arranged between the input part 10 and the output part 20, and forms a heating space (not marked in the figure) for wrapping a plurality of or at least one conveying pipeline 30;
for example, the vapor-generating medium may be water, methanol, a mixture of both, or the like, and when the vapor-generating medium is water, the vapor is water vapor; further, water is input from the input part 10, high-temperature exhaust gas is introduced into the heating part 40 to heat the water to obtain water vapor, when the water vapor passes through the plurality of or at least one conveying pipeline 30, the high-temperature exhaust gas heats the plurality of or at least one conveying pipeline 30 to enable the water vapor to reach the temperature required by production, and then the water vapor is discharged through the output part 20.
Preferably, referring to fig. 2, 3 and 4, the steam generator 100 further includes, for example: and a heat insulating layer (not shown) connected between the input part 10 and the output part 20 and covering the outside of the heating part 40. Wherein, the heat preservation layer for example includes: a heat insulating layer 50 and a vacuum insulating layer 60; specifically, the heat insulation protection layer 50 is sleeved outside the heating portion 40, and an interval space between the heat insulation protection layer 50 and the heating portion 40 is a vacuum insulation layer 60.
For example, the heat insulating layer 50 may be made of a heat insulating material, which can cut off the heat transfer from the heating portion 40 to the outside, thereby effectively preventing the heat of the heating portion 40 from dissipating to the outside environment; meanwhile, a layer of reflective coating may be coated on the heat insulating layer 50 to block heat radiation; the vacuum insulation layer 60 wraps the heating part 40, thereby effectively preventing heat conduction and heat convection of the heating part 40 to the external environment, and reducing heat loss of the heating part 40.
Further, referring to fig. 6 and 7, the heating part 40 further includes, for example: an exhaust gas inlet channel 41 and an exhaust gas outlet channel 42. Wherein, the waste gas input channel 41 is connected to one end of the heating part 40 close to the input part 10 and is used for conveying the high-temperature waste gas; the waste gas output channel 42 is arranged close to the output part 20 and is used for outputting waste gas after heat exchange; specifically, the high-temperature exhaust gas is introduced into the heating unit 40, and the high-temperature exhaust gas can heat the steam generating medium and the steam. For example, the steam generating medium is input into the input portion 10, and then the high-temperature exhaust gas is input into the exhaust gas input channel 41, the high-temperature exhaust gas heats the steam generating medium to generate the steam, the steam reaches the temperature required for production after being heated by the high-temperature exhaust gas when passing through the plurality of or at least one of the delivery pipes 30, then the steam is output from the output portion 20, and the heat of the high-temperature exhaust gas is exhausted through the exhaust gas output channel 42.
Preferably, the heating section 40 further includes, for example: a first exhaust gas header 43, a second exhaust gas header 44, an exhaust gas channel flange 45 and a temperature sensor 80. Wherein, the first waste gas header 43 is arranged between the input part 10 and the vacuum heat-insulating layer 60 and is communicated with the waste gas input channel 41; the second waste gas header 44 is arranged between the output part 20 and the vacuum heat-insulating layer 60 and is communicated with the waste gas output channel 42; the exhaust gas channel flange 45 is arranged on the exhaust gas input channel 41 or/and the exhaust gas output channel 42 and is used for improving the stability and the sealing property of the exhaust gas input channel 41 and the exhaust gas output channel 42; a temperature sensor 80 is provided in the exhaust gas input passage 41 or/and the exhaust gas output passage 42 for detecting the temperature of the high-temperature exhaust gas in the exhaust gas input passage 41 or/and the exhaust gas output passage 42. Specifically, the exhaust gas passage flange 45 may be connected by butt welding, loose fitting, or screwing, and the temperature sensor 80 may be a thermocouple.
For example, the high-temperature exhaust gas is input into the first exhaust gas header 43 through the exhaust gas input channel 41, and then heats the steam generating medium and the steam in the input portion 10 and the plurality or at least one of the conveying pipes 30, and the heat-exchanged exhaust gas enters the second exhaust gas header 44 and then is discharged through the exhaust gas output channel 42.
In contrast, the high-temperature exhaust gas may be input into the second exhaust gas collecting tank 44 in the exhaust gas output passage 42, the high-temperature exhaust gas heats the steam generating medium and the steam in the input portion 10 and the plurality of or at least one of the delivery pipes 30 in the process of entering the first exhaust gas collecting tank 43, and the exhaust gas after heat exchange enters the first exhaust gas collecting tank 43 and then is discharged through the exhaust gas input passage 41.
Still further, referring to fig. 8, the steam generator 100 further includes, for example: and a heat storage block 70. The heat storage block 70 is used for storing heat in the high-temperature exhaust gas and heating the steam generation medium and the steam in the plurality of or at least one conveying pipe 30; the heat storage block includes, for example: exhaust gas through hole 71. Wherein the high-temperature exhaust gas passes through the exhaust gas through hole 71 during the transportation process.
For example, the heat storage block may be made of ceramic, activated carbon, etc.; if the number of the conveying pipelines 30 is 10, a plurality of exhaust gas through holes 71 are uniformly arranged around the 10 conveying pipelines 30; after the high-temperature exhaust gas is input into the exhaust gas input channel 41, the high-temperature exhaust gas passes through the exhaust gas through holes 71 to heat the heat storage block 70, and the heat storage block 70 can store heat for a long time and continuously heat the ten conveying pipelines 30, so that the heating efficiency and the utilization rate of the high-temperature exhaust gas are improved.
Preferably, the heating section 40 further includes, for example: fins and a plurality of heat storage balls. The fins are wound on a plurality of or at least one conveying pipeline 30; the heat storage balls are filled in the heating portion 40. For example, the fins may be made of copper, aluminum, steel or cast iron, and the heat storage balls may be silicon carbide heat storage balls, corundum heat storage balls or high-aluminum heat storage balls; after the high-temperature exhaust gas is input into the exhaust gas input channel 41, the high-temperature exhaust gas heats the heat storage balls, and the heat storage balls heat the plurality of or at least one of the conveying pipelines 30 through the fins, so that the heating efficiency and the utilization rate of the high-temperature exhaust gas are improved.
Preferably, referring to fig. 9, the steam generator 100 further includes, for example: an electric heater 80. The electric heater 80 is provided at the input portion 10 and the output portion 20, and the electric heater 80 can heat the steam generating medium and the steam. For example, when the vapor generating medium is in the input portion 10 or the vapor is in the output portion 20, an electric heater may be used to heat the vapor generating medium or the vapor so as to increase the rate of vapor generation or to bring the vapor temperature to a desired temperature for production, provided that the rate of vapor generation of the vapor generating medium or the vapor temperature does not reach the desired temperature for production. The electric heater 80 may be a heater such as a resistance heating heater or an infrared heater.
Referring to fig. 10, preferably, the input section 10 includes, for example: an inlet header 11 and an inlet pipe 12. Wherein the inlet header 11 is provided with an electric heater 80 and is connected to a plurality of or at least one of the delivery pipes 30 for storing the vapor generating medium; the input pipe 12 communicates with a plurality or at least one of the delivery ducts 30 for inputting the vapor generating medium. Further, the steam generating medium may overflow the inlet header 11 into the plurality of or at least one delivery pipe 30, so that the high temperature exhaust gas may directly heat the steam generating medium, thereby improving heating efficiency.
Referring to fig. 10, preferably, the output section 20 includes, for example: an outlet header 21 and an outlet pipe 22. Wherein the outlet header 21 is provided with an electric heater 80 in communication with the plurality or at least one of the delivery pipes 30 for storing the vapor; and an output pipe 22, which is communicated with the outlet header 21 and is used for outputting the steam. In particular, said vapours pass from the or at least one delivery duct 30 into the outlet header 21 and are then discharged by the outlet duct 22, the outlet header 21 being buffered during this process by said vapours.
Preferably, a reinforcing flange 23 may be provided on the outlet header 21 on a side thereof remote from the plurality or at least one of the delivery pipes 30 to enhance the stability of the steam generator 100 and prevent the pressure of the steam generated by the steam generator when producing the steam from affecting the steam generator 100.
For example, the steam generating medium is input into the inlet header tank 11 from the input pipe 12, and then the high-temperature exhaust gas is input into the exhaust gas input passage 41, the high-temperature exhaust gas heats the steam generating medium, so that the steam generating medium generates the steam, and then the steam is heated by the heating part 40 when passing through the plurality of or at least one of the delivery pipes 30, and then the steam is buffered in the outlet header tank 21 and then discharged from the output pipe 22.
Specifically, the steam generating medium is input into the inlet header 11 through the input pipe 12, and the high temperature exhaust gas is input into the exhaust gas container 45 through the exhaust gas input passage 41, the high temperature exhaust gas heats the steam generating medium, the steam generating medium generates the steam, and if the high temperature exhaust gas does not provide enough heat, the electric heater 80 can be used to provide more heat; the high-temperature waste gas heats the heat storage block 70 through the waste gas through hole 71, the high-temperature waste gas is discharged through the waste gas output channel 42 after heat exchange, the heat storage block 70 heats the plurality of or at least one conveying pipeline 30, the steam in the plurality of or at least one conveying pipeline 30 is heated to reach the required production temperature, and if the steam does not reach the required production temperature, the steam can be heated in the outlet header 21 by using the electric heater 80 to reach the required production temperature; after the steam has reached the temperature required for production, it is discharged through outlet 22.
[ second embodiment ]
Referring to fig. 11, a hydrogen production system 200 according to a second embodiment of the present invention is provided, where the hydrogen production system 200 includes: at least one hydrogen reaction device 210 (two as shown) and a steam generator 100 as described in the first embodiment. Wherein the hydrogen reaction device 210 is connected to the output part 20, and the steam generator 100 delivers the steam to the hydrogen reaction device 210 through the output part 20.
For example, the steam produced from the steam generator 100 and reaching the temperature required for production is fed into the hydrogen reaction device 210 through the steam inlet 211 via the outlet 20, and the steam reacts with the hydrogen production catalyst in the hydrogen reaction device 210 to produce hydrogen, which is output through the hydrogen outlet 212.
Preferably, referring to fig. 12, an exhaust gas input channel 41 and an exhaust gas output channel 42 may be further provided on the hydrogen reaction device 210, the exhaust gas input channel 41 and the exhaust gas output channel 42 are respectively connected by an exhaust gas pipe 220, and the high-temperature exhaust gas is input into the hydrogen reaction device 210 through the exhaust gas pipe 220 to provide a temperature required for the hydrogen reaction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A steam generator, comprising:
an input portion for inputting a vapor generating medium;
an output for outputting steam;
at least one conveying pipeline, one end of which is communicated with the input part and the other end of which is communicated with the output part, and is used for conveying the steam;
the heating part is arranged between the input part and the output part and forms a heating space for wrapping at least one conveying pipeline;
wherein a high-temperature exhaust gas is introduced into the heating portion, and the high-temperature exhaust gas can heat the steam generating medium and/or the steam.
2. The steam generator as set forth in claim 1, further comprising:
the heat insulation layer is connected between the input part and the output part and is sleeved outside the heating part;
wherein, the heat preservation layer is a vacuum heat preservation layer or a heat insulation layer.
3. The steam generator as claimed in claim 1 or 2, wherein the heating part further comprises:
the waste gas input channel is connected to one end, close to the input part, of the heating part and is used for inputting the high-temperature waste gas to the heating part;
the waste gas output channel is connected to one end, close to the output part, of the heating part and is used for outputting waste gas after heat exchange;
wherein the high temperature exhaust gas heats at least one of the delivery pipes.
4. The steam generator as recited in claim 3, further comprising:
and a heat storage assembly filled in the heating space.
5. The steam generator as recited in claim 4, wherein the thermal storage assembly comprises:
the heat storage block wraps at least one conveying pipeline;
wherein, the heat accumulation block is provided with a waste gas through hole.
6. The steam generator as recited in claim 4, wherein the thermal storage assembly comprises:
the fins are wound on at least one conveying pipeline;
and a plurality of heat storage balls filled in the heating portion.
7. The steam generator as set forth in claim 1, further comprising:
and an electric heater provided in the input part and/or the output part.
8. The steam generator as recited in claim 7, wherein the input includes:
an inlet header provided with the electric heater and communicated with at least one of the delivery pipes for storing the vapor generating medium;
an input pipe, which is communicated with the inlet header and is used for inputting the steam generating medium;
wherein the vapor generating medium may overflow the inlet header into at least one of the delivery conduits.
9. The steam generator as recited in claim 7, wherein the output includes:
the outlet header is provided with the electric heater, is communicated with at least one conveying pipeline and is used for storing the steam;
and the output pipe is communicated with the outlet header and is used for outputting the steam.
10. A hydrogen production system, comprising:
the steam generator of any of claims 1-9;
at least one hydrogen reaction device connected with the output part;
wherein the vapor generator delivers the vapor to the hydrogen reaction device through the output.
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| CN116443813A (en) * | 2023-02-27 | 2023-07-18 | 福州大学 | Ammonia decomposition reaction device and system |
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Effective date of registration: 20240102 Address after: Building 1, Unit 1, 2nd Floor, No. 112-1 Hongqiao Street, High tech Zone, Neijiang City, Sichuan Province, 641000, No. 21 BC Zone Patentee after: Sichuan Woyouda Technology Co.,Ltd. Address before: No.404, building 14, new town entrepreneurship center, Zengcheng low carbon headquarters park, No.400 Xincheng Avenue, Zengcheng District, Guangzhou, Guangdong Province Patentee before: Guangdong alcohol hydrogen New Energy Research Institute Co.,Ltd. |