CN112696651A - Steam generator and hydrogen production system - Google Patents
Steam generator and hydrogen production system Download PDFInfo
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- CN112696651A CN112696651A CN202011589049.7A CN202011589049A CN112696651A CN 112696651 A CN112696651 A CN 112696651A CN 202011589049 A CN202011589049 A CN 202011589049A CN 112696651 A CN112696651 A CN 112696651A
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- steam
- heat
- steam generator
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- waste gas
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 41
- 239000001257 hydrogen Substances 0.000 title claims abstract description 41
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 59
- 239000002912 waste gas Substances 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims description 81
- 238000005338 heat storage Methods 0.000 claims description 38
- 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
- 150000002431 hydrogen Chemical class 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
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 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
- 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
- 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
- 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
- 230000005855 radiation Effects 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
Images
Classifications
-
- 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
Abstract
The invention discloses a steam generator and a hydrogen production system. The steam generator includes: an input part for inputting a steam generating medium; an output part for outputting steam; one end of each conveying pipeline is communicated with the input part, and the other end of each conveying pipeline is communicated with the output part and is used for conveying 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, high temperature waste gas is introduced into the heating part, and the high temperature waste gas can heat the steam generating medium and the steam. According to the invention, the steam generation medium and the steam are heated by the high-temperature waste gas, so that the heating cost is reduced, and the high-temperature waste gas is recycled.
Description
Technical Field
The invention relates to the technical field of combustion furnaces, in particular to the field of a steam generator and a hydrogen production system.
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, a steam generator is often required for preparing hydrogen, and the steam generator is a mechanical device which utilizes the heat energy of fuel or other energy sources 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, in the coal-fired industrial steam generator, a large amount of high-temperature waste gas is generated after coal 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.
Disclosure of Invention
Therefore, the embodiment of the invention provides the steam generator and the hydrogen production system, the heating cost is reduced, the high-temperature waste gas is recycled, the heat is used for producing hydrogen, the energy utilization rate is greatly improved, and the cost is reduced.
In one aspect, an embodiment of the present invention provides a steam generator, for example, including: an input part for inputting a steam generating medium; an output part for outputting steam; one end of the conveying pipeline is communicated with the input part, and the other end of the conveying pipeline 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, high temperature waste gas is introduced into the heating part, and the high temperature waste gas can heat the steam generating medium and/or the steam.
In one embodiment of the present invention, the steam generator further includes, 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 one embodiment of the present invention, the heating part 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 one embodiment of the present invention, the steam generator further includes, 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 one embodiment of the present invention, the steam generator further includes, 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 one embodiment of the present invention, the input section includes: the inlet header is provided with the electric heater, is communicated with at least one conveying pipeline and is used for storing the steam generating medium; the input pipe is communicated with the inlet header and is used for inputting the steam generating medium; wherein the steam generating medium may overflow the inlet header into the at least one delivery conduit.
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 steam generating medium overflows the inlet header into the plurality of conveying pipelines, and the hot exhaust gas can heat the steam generating medium.
In one 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 in the conveying pipeline to evaporate to generate a large amount of steam, the steam is heated and then expands, if the steam is directly output, the output pipe is easy to damage 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 steam generator delivers the steam 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 needed to be used in the description of the embodiments are 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 to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view 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 steam 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 clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 or at least one conveying pipeline 30 is connected with the output part 10, and the other end is connected with the output part 20 and is used 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 steam generating medium may be water, methanol, a mixture of the two, or the like, and when the steam generating medium is water, the steam 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 of the conveying pipelines 30, the high-temperature exhaust gas heats the plurality of or at least one of the conveying pipelines 30 to make the water vapor 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 portion 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, and then the steam is output from the output portion 20, and the heat of the high-temperature exhaust gas is exhausted and then discharged 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 of or at least one of the conveying pipelines 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 heat-exchanged exhaust gas enters the first exhaust gas collecting tank 43 and then is discharged through the exhaust gas input passage 41.
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 part 10 and the output part 20, and the electric heater 80 can heat the steam generating medium and the steam. For example, when the steam generating medium is in the input part 10 or the steam is in the output part 20, if it is required to increase the steam generating rate of the steam generating medium or the steam temperature does not reach the temperature required for production, an electric heater may be used to heat the steam generating medium or the steam, so as to increase the steam generating rate or the steam temperature to the temperature required 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 communicated with a plurality of or at least one of the delivery pipes 30 for storing the steam generating medium; the inlet pipe 12 communicates with a plurality or at least one of the delivery ducts 30 for the inlet of the steam generating medium. Further, the steam generating medium may overflow the inlet header 11 into a 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 communicated with a plurality of or at least one delivery pipe 30 for storing the steam; and an output pipe 22, which is communicated with the outlet header 21 and is used for outputting the steam. In particular, said steam flows from the or at least one delivery duct 30 into the outlet header 21 and is discharged by the outlet duct 22, the outlet header 21 being buffered by said steam in the process.
Preferably, a reinforcing flange 23 may be provided at a side of the outlet header 21 away from the plurality of or at least one of the delivery pipes 30 to enhance stability of the steam generator 100 and prevent the steam pressure generated when the steam generator generates 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 temperature required by production, and if the steam does not reach the temperature required by production, the steam can be heated in the outlet header 21 by using the electric heater 80 so as to reach the temperature required by production; after the steam reaches the temperature required for production, it is discharged through the 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 means 210 (two as shown) and the steam generator 100 according to 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, steam produced from the steam generator 100 and reaching a temperature required for production is input into the hydrogen reaction device 210 through the output part 20 via the steam inlet 211, the steam reacts with the hydrogen production catalyst in the hydrogen reaction device 210 to generate hydrogen, and the hydrogen is output via 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 examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A steam generator, comprising:
an input part for inputting a steam generating medium;
an output part for outputting steam;
one end of the conveying pipeline is communicated with the input part, and the other end of the conveying pipeline 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, high temperature waste gas is introduced into the heating part, and the high temperature waste gas can heat the steam generating medium and/or the steam.
2. The steam generator of 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 according to claim 1 or 2, wherein the heating part further includes:
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 of claim 3, further comprising:
and a heat storage assembly filled in the heating space.
5. The steam generator of claim 4, wherein the heat 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 of claim 4, wherein the heat 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 of claim 1, further comprising:
and an electric heater provided in the input part and/or the output part.
8. The steam generator of claim 7, wherein the input comprises:
the inlet header is provided with the electric heater, is communicated with at least one conveying pipeline and is used for storing the steam generating medium;
the input pipe is communicated with the inlet header and is used for inputting the steam generating medium;
wherein the steam generating medium may overflow the inlet header into the at least one delivery conduit.
9. The steam generator of claim 7, wherein the output comprises:
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 steam generator delivers the steam to the hydrogen reaction device through the output.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011436065 | 2020-12-10 | ||
| CN2020114360652 | 2020-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112696651A true CN112696651A (en) | 2021-04-23 |
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| CN202111486111.4A Pending CN114620679A (en) | 2020-12-10 | 2021-12-07 | Hydrogen production method |
| CN202111484199.6A Pending CN114620677A (en) | 2020-12-10 | 2021-12-07 | Hydrogen production system |
| CN202111486014.5A Active CN114620678B (en) | 2020-12-10 | 2021-12-07 | Hydrogen production system and hydrogen production method |
| CN202123054304.0U Active CN216638915U (en) | 2020-12-10 | 2021-12-07 | Hydrogen production system |
| CN202123062998.2U Active CN216693481U (en) | 2020-12-10 | 2021-12-08 | Steam generator and hydrogen generator |
| CN202111490142.7A Pending CN114623427A (en) | 2020-12-10 | 2021-12-08 | Steam generator and hydrogen generator |
| CN202123064756.7U Active CN216678168U (en) | 2020-12-10 | 2021-12-08 | Steam generator and hydrogen generator |
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| CN202123078544.4U Active CN216472228U (en) | 2020-12-10 | 2021-12-09 | Hydrogen reactor |
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| CN112696651A (en) * | 2020-12-10 | 2021-04-23 | 广东醇氢新能源研究院有限公司 | Steam generator and hydrogen production system |
| 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: 20231226 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 Applicant 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 Applicant before: Guangdong alcohol hydrogen New Energy Research Institute Co.,Ltd. |