CN216630747U - Hydrogen reactor - Google Patents
Hydrogen reactor Download PDFInfo
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- CN216630747U CN216630747U CN202123080578.7U CN202123080578U CN216630747U CN 216630747 U CN216630747 U CN 216630747U CN 202123080578 U CN202123080578 U CN 202123080578U CN 216630747 U CN216630747 U CN 216630747U
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- cavity
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 269
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 269
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 264
- 238000002485 combustion reaction Methods 0.000 claims abstract description 221
- 238000006243 chemical reaction Methods 0.000 claims abstract description 162
- 239000003054 catalyst Substances 0.000 claims abstract description 121
- 239000007789 gas Substances 0.000 claims abstract description 65
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 claims abstract description 55
- 239000002912 waste gas Substances 0.000 claims description 9
- 230000003197 catalytic effect Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 2
- 238000005485 electric heating Methods 0.000 description 36
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 230000001965 increasing effect Effects 0.000 description 13
- 238000005192 partition Methods 0.000 description 12
- 230000002035 prolonged effect Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000035484 reaction time Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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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 utility model provides a hydrogen reactor, relating to the technical field of chemical equipment; the hydrogen reactor comprises: the hydrogen reaction cavity is provided with a steam inlet and a hydrogen outlet; the hydrogen outlet is disposed distal to the vapor inlet; at least one combustion catalyst tube arranged in the hydrogen reaction cavity; a combustion catalyst is arranged inside the combustion catalysis tube, and a hydrogen production catalyst is arranged outside the combustion catalysis tube; a gas inlet, one end of which is communicated with the outside of the hydrogen reactor, and the other end of which is communicated with the inside of the combustion catalytic tube; wherein the gas inlet is located above or below or to the left or right of the vapor inlet. Through the different positions that set up of the relative vapour entry of adjustment gas inlet, be convenient for adjust hydrogen reactor's overall installation structure to satisfy the user demand under different environment, the space.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a hydrogen reactor.
Background
With the limited nature of conventional energy and the increasing projection of environmental problems, new energy with the characteristics of environmental protection and regeneration is more and more paid 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 existing hydrogen production equipment, the steam inlet and the gas inlet in the hydrogen reactor are relatively fixed, so that the installation of the hydrogen reactor cannot meet the use requirements of different environments and spaces.
SUMMERY OF THE UTILITY MODEL
The problems solved by the utility model are as follows: how to avoid the problem that the hydrogen reactor can not meet the use requirements of different environments and spaces.
To solve the above problems, an embodiment of the present invention provides a hydrogen reactor, including: the hydrogen reaction cavity is provided with a steam inlet and a hydrogen outlet; the hydrogen outlet is disposed distal to the vapor inlet; at least one combustion catalyst tube arranged in the hydrogen reaction cavity; a combustion catalyst is arranged inside the combustion catalysis tube, and a hydrogen production catalyst is arranged outside the combustion catalysis tube; a gas inlet, one end of which is communicated with the outside of the hydrogen reactor, and the other end of which is communicated with the inside of the combustion catalytic tube; wherein the gas inlet is located above or below or to the left or right of the vapor inlet.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects: the combustion catalysis tube is arranged in the hydrogen reaction cavity, and the combustion catalyst is filled in the tube, so that a large amount of high-temperature heat is generated after combustion media such as air, methanol and the like which are communicated with the outside fully react, steam input from the steam inlet is continuously heated to reach the reaction temperature, the steam is promoted to fully react with the hydrogen production catalyst outside the combustion catalysis tube, required hydrogen is generated, and the hydrogen is discharged from the hydrogen outlet, and the hydrogen production efficiency is improved; simultaneously, set up gas inlet and be located the top or below or left side or the right side of steam inlet, be convenient for adjust the relative position of both inputs of combustion medium and steam, then adjust hydrogen reactor's integral erection structure to satisfy the user demand under different environment, the space.
In an alternative embodiment, the gas inlet is provided in plurality, and or the vapour inlet is provided in plurality.
As can be understood, the arrangement of the plurality of gas inlets reduces the time for conveying the external combustion medium into the combustion catalytic tube, improves the reaction rate of the combustion catalyst in the combustion catalytic tube, and enables the combustion catalytic tube to rapidly heat up; the plurality of steam inlets are arranged, so that the steam inflow and inflow rate are improved, the hydrogen production catalyst outside the combustion catalytic tube can rapidly react with steam, and the hydrogen production efficiency is improved.
In an alternative embodiment, the method further comprises: the combustion medium input cavity is arranged at one end of the hydrogen reaction cavity; the waste gas discharge cavity is arranged at one end of the hydrogen reaction cavity, which is far away from the combustion medium input cavity; one end of the combustion catalysis pipe is communicated with the combustion medium input cavity, and the other end of the combustion catalysis pipe is communicated with the waste gas discharge cavity; the gas inlet is arranged in the combustion medium input cavity.
It can be understood that, set up burning medium input chamber and the relative both ends that set up at hydrogen reaction chamber in exhaust emission chamber, burning medium input chamber is located to gas inlet, be convenient for carry outside burning medium to burning medium input chamber through gas inlet, get into the one end through burning catalysis pipe by burning medium input chamber again and burn the inside combustion catalyst of catalysis pipe after fully reacting, waste gas flows into exhaust emission chamber from the other end of burning catalysis pipe and discharges, burning medium circulation route has been prolonged, and then it is long to have prolonged the reaction, impel burning medium and combustion catalyst fully to react, promote hydrogen production efficiency.
In an alternative embodiment, the gas inlet is located above the vapor inlet; the combustion medium input cavity is positioned at the upper end of the hydrogen reaction cavity.
It will be appreciated that the gas inlet is arranged above the vapour inlet such that the combustion medium inlet chamber is located at the upper end of the hydrogen reaction chamber; thereby achieving the purpose of adjusting the integral installation structure of the hydrogen reactor and meeting the use requirements under different environments and spaces.
In an alternative embodiment, the gas inlet is located below the vapor inlet; the combustion medium input cavity is positioned at the lower end of the hydrogen reaction cavity.
It will be appreciated that the gas inlet is arranged below the vapour inlet such that the combustion medium input chamber is located at the lower end of the hydrogen reaction chamber; thereby achieving the purpose of adjusting the integral installation structure of the hydrogen reactor and meeting the use requirements under different environments and spaces.
In an alternative embodiment, the gas inlet is located to the left of the vapor inlet; the combustion medium input cavity is positioned at the left side of the hydrogen reaction cavity.
It will be appreciated that the gas inlet is located to the left of the vapour inlet so that the combustion medium input chamber is located to the left of the hydrogen reaction chamber; thereby achieving the purpose of adjusting the integral installation structure of the hydrogen reactor and meeting the use requirements under different environments and spaces.
In an alternative embodiment, the gas inlet is located to the right of the vapor inlet; the combustion medium input cavity is positioned at the right side of the hydrogen reaction cavity.
It will be appreciated that the gas inlet is arranged to the right of the vapour inlet such that the combustion medium inlet chamber is arranged to the right of the hydrogen reaction chamber; thereby achieving the purpose of adjusting the integral installation structure of the hydrogen reactor and meeting the use requirements under different environments and spaces.
In an alternative embodiment, the at least one combustion catalyst tube is a straight tube and/or a coiled tube.
As can be understood, the combustion catalysis tube is arranged to be a straight tube, so that the combustion catalysis tube can be conveniently installed in the hydrogen reaction cavity; the combustion catalysis tube is arranged as a coil, so that the heat conduction surface of the combustion catalysis tube and external steam can be increased, the heat conduction effect is improved, and the reaction efficiency of the steam and the hydrogen production catalyst is improved; simultaneously, set up the burning catalysis pipe and be the coil pipe, self intensity is higher, and intraductal burning catalyst can the packing volume more, and prolonged the reaction time of intraductal burning catalyst and outside air, methyl alcohol for the reaction is more abundant, and the heat promotion in the hydrogen reaction chamber is faster.
In an alternative embodiment, the combustion catalyst tube is provided in a plurality, extends along the axial direction of the hydrogen reaction chamber, and is arranged at intervals in the hydrogen reaction chamber.
It can be understood that a plurality of combustion catalysis tubes are arranged in the hydrogen reaction cavity, so that under the combined action of the combustion catalysis tubes, the temperature in the hydrogen reaction cavity is rapidly increased, enough heat is provided, and steam is heated; simultaneously, follow the axis direction of hydrogen reaction chamber extends, and the interval is located in the hydrogen reaction chamber for the steam in the hydrogen reaction chamber is heated more evenly, thereby promotes the hydrogen manufacturing catalyst that sets up outside the combustion catalysis pipe and fully reacts with steam, generates required hydrogen.
In an alternative embodiment, the method further comprises: the at least one electric heating pipe is arranged in the hydrogen reaction cavity and is positioned on one side of the combustion catalytic pipe; the electric heating pipe extends along the length direction of the combustion catalysis pipe and is arranged in the hydrogen reaction cavity at intervals.
It is understood that by providing at least one electrical heating tube within the hydrogen reaction chamber to further heat the vapor within the hydrogen reaction chamber, the reaction rate of the vapor with the hydrogen production catalyst is increased; meanwhile, the heat generated by the full reaction of the combustion catalyst in the combustion catalytic tube and the combustion medium is combined, so that the hydrogen production reaction efficiency is greatly improved; meanwhile, the electric heating tube extends along the length direction of the combustion catalysis tube, so that the heating depth of the electric heating tube is prolonged, and the effects of uniform and rapid steam heating are further improved.
In an alternative embodiment, the method further comprises: the electric heating cavity is arranged at one end of the combustion medium input cavity, which is far away from the hydrogen reaction cavity; and one ends of the plurality of electric heating pipes are arranged in the electric heating cavity, the other ends of the plurality of electric heating pipes penetrate through the combustion medium input cavity, and the electric heating pipes are arranged on one side of the combustion catalysis pipe at intervals.
As can be understood, the electric heating cavity is arranged at one end of the combustion medium input cavity, which is far away from the hydrogen reaction cavity, and is used for installing the electric heating pipe; simultaneously, electric heating pipe one end is located the electric heating chamber, and the other end passes combustion medium input chamber interval and locates one side of burning catalysis pipe for can preheat the combustion medium of burning medium input intracavity, make the inside combustion medium of inflow burning catalysis pipe can react with combustion catalyst fast, improve both reaction rates greatly, promote heat release efficiency.
In an alternative embodiment, the method further comprises: at least one baffle plate which is arranged in the hydrogen reaction cavity and is connected with the outer surface of the combustion catalyst tube; and a circulation gap is arranged between one side of each baffle plate and the hydrogen reaction cavity.
As can be understood, the baffle plate is arranged in the hydrogen reaction cavity and is used for slowing down the flow of steam in the hydrogen reaction cavity, so that the steam and the hydrogen production catalyst in the hydrogen reaction cavity fully react to generate hydrogen; meanwhile, a circulation gap is arranged between one side of each baffle plate and the hydrogen reaction cavity, so that steam flows through each corner of the hydrogen reaction cavity along the circulation gap, and the steam and a hydrogen production catalyst arranged in the hydrogen reaction cavity react fully and uniformly.
In an alternative embodiment, the baffles are multiple and are distributed at intervals along the axial direction of the hydrogen reaction chamber.
It can be understood that a plurality of baffle plates are distributed at intervals in a staggered manner along the axial direction of the hydrogen reaction cavity to play a role in guiding flow, so that steam flows through hydrogen production catalysts at all positions of the hydrogen reaction cavity along the baffle plates in the hydrogen reaction cavity, and the hydrogen production efficiency is improved; meanwhile, the baffle plates are distributed at intervals in a staggered manner, so that the flow path of steam is prolonged, the steam can fully react with the hydrogen production catalyst in the hydrogen reaction cavity, and the hydrogen production efficiency is further improved.
In an alternative embodiment, two adjacent baffles are partially overlapped.
It can be understood that the two adjacent baffle plates are partially overlapped, so that steam flowing into the hydrogen reaction cavity can downwards permeate along the overlapped parts of the baffle plates and fully react with the hydrogen production catalyst, and the steam circulation path is prolonged, so that the hydrogen production catalyst can react more uniformly.
In an alternative embodiment, the combustion catalyst tube is a double tube.
It can be understood that the inner layer of the combustion catalysis tube is made of a material with high strength, the overall strength of the combustion catalysis tube is enhanced, the outer layer is made of a material with high heat conductivity coefficient, the heat conduction efficiency of the combustion catalysis tube is improved, so that heat generated in the combustion catalysis tube can be effectively transferred to the outside of the combustion catalysis tube, heat loss is reduced, and the reaction of steam and a hydrogen production catalyst is accelerated.
The utility model has the following beneficial effects:
1) the combustion catalysis tube is arranged in the hydrogen reaction cavity, and the combustion catalyst is filled in the tube, so that a large amount of high-temperature heat is generated after combustion media such as air, methanol and the like which are communicated with the outside fully react, steam input from the steam inlet is continuously heated to reach the reaction temperature, the steam is promoted to fully react with the hydrogen production catalyst outside the combustion catalysis tube, required hydrogen is generated and is discharged from the hydrogen outlet, and the hydrogen production efficiency is improved;
2) the combustion catalysis tube is arranged to be a straight tube, so that the combustion catalysis tube can be conveniently installed in the hydrogen reaction cavity; the combustion catalysis tube is arranged as a coil, so that the heat conduction surface of the combustion catalysis tube and external steam can be increased, the heat conduction effect is improved, and the reaction efficiency of the steam and the hydrogen production catalyst is improved; meanwhile, the combustion catalysis tube is arranged as a coil tube, so that the strength of the combustion catalysis tube is higher, the filling amount of the combustion catalyst in the tube is more, the reaction time of the combustion catalyst in the tube with outside air and methanol is prolonged, the reaction is more sufficient, and the heat in the hydrogen reaction cavity is increased more quickly;
3) a plurality of combustion catalysis tubes are arranged in the hydrogen reaction cavity, so that under the combined action of the combustion catalysis tubes, the temperature in the hydrogen reaction cavity is rapidly increased, enough heat is provided, and steam is heated; meanwhile, the hydrogen production catalyst extends along the axial direction of the hydrogen reaction cavity and is arranged in the hydrogen reaction cavity at intervals, so that steam in the hydrogen reaction cavity is heated more uniformly, and the hydrogen production catalyst arranged outside the combustion catalyst tube is promoted to fully react with the steam to generate the required hydrogen;
4) an electric heating cavity is arranged at one end of the combustion medium input cavity, which is far away from the hydrogen reaction cavity, and is used for installing an electric heating pipe; meanwhile, one end of the electric heating pipe is arranged in the electric heating cavity, and the other end of the electric heating pipe penetrates through the combustion medium input cavity and is arranged on one side of the combustion catalysis pipe at intervals, so that the combustion medium in the combustion medium input cavity can be preheated, the combustion medium flowing into the combustion catalysis pipe can quickly react with a combustion catalyst, the reaction speed of the combustion medium and the combustion catalyst is greatly improved, and the heat release efficiency is improved;
5) the baffle plate is arranged in the hydrogen reaction cavity and used for slowing down the flow of steam in the hydrogen reaction cavity so that the steam and a hydrogen production catalyst in the hydrogen reaction cavity fully react to generate hydrogen; meanwhile, a circulation gap is arranged between one side of each baffle plate and the hydrogen reaction cavity, so that steam flows through each corner of the hydrogen reaction cavity along the circulation gap, and the steam and a hydrogen production catalyst arranged in the hydrogen reaction cavity react fully and uniformly.
Drawings
FIG. 1 is a front view of a hydrogen reactor provided by an embodiment of the present invention;
FIG. 2 is a perspective view of a hydrogen reactor according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is an enlarged view of B in FIG. 3;
fig. 5 is a schematic diagram of an internal structure of a hydrogen reactor according to an embodiment of the present invention.
Description of reference numerals:
100-a hydrogen reactor; 110-a hydrogen reaction chamber; 111-vapor inlet; 112-hydrogen outlet; 113-a baffle; 120-a combustion catalyst tube; 130-a combustion media input chamber; 131-a gas inlet; 140-an exhaust gas discharge chamber; 141-exhaust gas discharge port; 150-an electrical heating chamber; 151-electric heating tube; 160-baffle plate; 170-hydrogen production catalyst placing port; 180-a vapor buffer chamber; 190-an outer shell; 191-a first separator; 192-a second separator; 193-third partition.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, 2, 3 and 4, an embodiment of the present invention provides a hydrogen reactor 100 including: an outer shell 190, a hydrogen reaction chamber 110, at least one combustion catalyst tube 120, and a gas inlet 131.
Specifically, the outer housing 190 is cylindrical and has an accommodating space therein; the first partition 191, the second partition 192, and the third partition 193 are sequentially provided in the outer case 190 from above to below. Wherein, a closed hydrogen reaction chamber 110 is formed between the second partition plate 191 and the third partition plate 193, the hydrogen reaction chamber 110 is provided with a steam inlet 111 and a hydrogen outlet 112, and the hydrogen outlet 112 is arranged far away from the steam inlet 111; the steam inlet 111 is communicated with external steam, for example, by being communicated with the steam generator, so as to convey the steam generated by the steam generator into the hydrogen reaction cavity 110 for hydrogen production reaction; at least one combustion catalysis tube 120 is arranged in the hydrogen reaction cavity 110, two ends of the combustion catalysis tube respectively penetrate through the second partition plate 192 and the third partition plate 193, a combustion catalyst is arranged inside the combustion catalysis tube, and a hydrogen production catalyst is arranged outside the combustion catalysis tube; one end of the gas inlet 131 is communicated with the outside of the hydrogen reactor, and the other end is communicated with the inside of the combustion catalyst tube 120; wherein the gas inlet 131 is located above or below or to the left or right of the vapor inlet 111.
By providing the combustion catalyst pipe 120 in the hydrogen reaction chamber 110, and filling the pipe with a combustion catalyst, a combustion medium communicated with the outside, such as air, methanol, etc., to fully react, a large amount of high temperature heat is generated in the combustion catalyst tube 120, the steam input into the hydrogen reaction chamber 110 from the steam inlet 111 is continuously heated to reach the reaction temperature, the steam is promoted to fully react with the hydrogen production catalyst outside the combustion catalyst tube 120 to generate the required hydrogen, and is discharged from a hydrogen outlet 112 arranged at one side of the hydrogen reaction chamber 110, so that the hydrogen production efficiency is improved, the gas inlet 131 is arranged above or below or on the left side or right side of the steam inlet 111, so that the relative positions of the input ends of the combustion medium and the steam can be conveniently adjusted, and then the integral installation structure of the hydrogen reactor 100 is adjusted to meet the use requirements under different environments and spaces.
For example, the vapor inlet 111 is disposed above the side of the hydrogen reaction chamber 110, and the hydrogen outlet 112 is disposed below the side of the hydrogen reaction chamber 110; of course, it is also possible that the vapor inlet 111 is disposed below the side of the hydrogen reaction chamber 110, and the hydrogen outlet 112 is disposed above the side of the hydrogen reaction chamber 110, which will not be described in detail herein.
Further, the gas inlet 131 is provided in plurality, and/or the vapor inlet 111 is provided in plurality.
By arranging the plurality of gas inlets 131, the time for conveying the external combustion medium into the combustion catalyst tube 120 is reduced, the reaction rate of the combustion catalyst in the combustion catalyst tube 120 is increased, and the combustion catalyst tube 120 can be rapidly heated; the plurality of steam inlets 111 are arranged to improve the inflow amount and the inflow rate of the steam, so that the hydrogen production catalyst outside the combustion catalyst tube 120 can rapidly react with the steam, and the hydrogen production efficiency is improved.
Further, the at least one combustion catalyst tube 120 is a straight tube and/or a coiled tube.
Specifically, the combustion catalyst tubes 120 are straight tubes, and each combustion catalyst tube 120 extends along the axial direction of the hydrogen reaction chamber 110 and is disposed in the hydrogen reaction chamber 110 at intervals.
The combustion catalyst tubes 120 are arranged to be a plurality of straight tubes, so that the combustion catalyst tubes 120 can be conveniently installed in the hydrogen reaction chamber 110, and the temperature in the hydrogen reaction chamber 110 can be rapidly increased and enough heat can be provided to heat steam under the combined action of the combustion catalyst tubes 120; meanwhile, the combustion catalyst tube 120 in the form of a straight tube extends along the axial direction of the hydrogen reaction chamber 110 and is arranged in the hydrogen reaction chamber 110 at intervals, so that steam in the hydrogen reaction chamber 110 is heated more uniformly, and the hydrogen production catalyst arranged outside the combustion catalyst tube 120 is promoted to fully react with the steam to generate the required hydrogen.
For example, the combustion catalyst tube 120 in the form of a straight tube has one end with a diameter that gradually increases or decreases along its length.
Preferably, the diameter of one end communicating with the external combustion medium is larger than that of the other end of the combustion catalyst pipe 120.
Or, the combustion catalyst tube 120 is a coil tube, and is disposed around the axis of the hydrogen reaction chamber 110, and is coaxial with the hydrogen reaction chamber 110.
By arranging the combustion catalysis tube 120 as a coil, the heat conduction surface of the combustion catalysis tube 120 and external steam can be increased, the heat conduction effect is improved, and the reaction efficiency of the steam and the hydrogen production catalyst is improved; meanwhile, the combustion catalysis tube 120 is arranged as a coil tube, so that the strength of the combustion catalysis tube is higher, and the filling amount of the combustion catalyst in the tube is more; the catalyst is arranged around the axis direction of the hydrogen reaction chamber 110, so that the reaction time of the combustion catalyst in the tube with outside air and methanol is prolonged, the reaction is more sufficient and uniform, and the heat in the hydrogen reaction chamber 110 is increased more quickly; the coiled combustion catalyst tubes 120 and the hydrogen reaction chamber 110 are coaxially arranged, so that the combustion catalyst tubes 120 are relatively uniformly distributed in the hydrogen reaction chamber 110, and then the hydrogen production catalyst and steam in the hydrogen reaction chamber 110 are uniformly heated, thereby improving the hydrogen production efficiency.
Further, referring to fig. 3, the method further includes: a combustion medium input chamber 130 and an exhaust gas discharge chamber 140.
Specifically, the combustion medium input chamber 130 is formed between the first partition plate 191 and the second partition plate 192; the third partition 193 is away from the hydrogen reaction chamber 110 to form an exhaust gas discharge chamber 140 with the accommodating space of the outer housing 190; namely, the combustion medium input chamber 130 is arranged at one end of the hydrogen reaction chamber 110; the waste gas discharge chamber 140 is arranged at one end of the hydrogen reaction chamber 110 far away from the combustion medium input chamber 130; wherein, one end of the combustion catalyst tube 120 is communicated with the combustion medium input chamber 130, and the other end is communicated with the exhaust gas discharge chamber 140; a gas inlet 131 is provided in the combustion medium inlet chamber 130.
The combustion medium input cavity 130 and the waste gas discharge cavity 140 are oppositely arranged at two ends of the hydrogen reaction cavity 110, the gas inlet 131 is arranged on the combustion medium input cavity 130, external combustion media are conveniently conveyed to the combustion medium input cavity 130 through the gas inlet, the combustion media in the combustion medium input cavity 130 enter from one end of the combustion catalytic tube 120 and fully react with combustion catalysts in the combustion catalytic tube 120, waste gas flows into the waste gas discharge cavity 140 from the other end of the combustion catalytic tube 120 to be discharged, the circulation path of the combustion media is prolonged, the reaction time is prolonged, the combustion media and the combustion catalysts are enabled to fully react, and the efficiency is improved.
Further, the gas inlet 131 is located above the vapor inlet 111; the combustion medium input chamber 130 is located at the upper end of the hydrogen reaction chamber 110.
By arranging the gas inlet 131 above the vapor inlet 111, the combustion medium input chamber 130 is positioned at the upper end of the hydrogen reaction chamber 110; the width of the whole hydrogen reactor 100 in the horizontal direction is reduced, so that the hydrogen reactor can adapt to a placing space with higher height in the vertical direction and insufficient width in the horizontal direction; thereby achieving the purpose of adjusting the overall installation structure of the hydrogen reactor 100 to meet the use requirements under different environments and spaces.
Further, the gas inlet 131 is located below the vapor inlet 111; the combustion medium input chamber 130 is located at the lower end of the hydrogen reaction chamber 110.
It will be appreciated that the gas inlet 131 is positioned below the vapor inlet 111 such that the combustion medium input chamber 130 is positioned at the lower end of the hydrogen reaction chamber 110; the width of the whole hydrogen reactor 100 in the horizontal direction is reduced, so that the hydrogen reactor can adapt to a placing space with higher height in the vertical direction and insufficient width in the horizontal direction; thereby achieving the purpose of adjusting the overall installation structure of the hydrogen reactor 100 to meet the use requirements under different environments and spaces.
Further, the gas inlet 131 is located at the left side of the vapor inlet 111; the combustion medium input chamber 130 is located at the left side of the hydrogen reaction chamber 110.
It will be appreciated that the gas inlet 131 is located to the left of the vapor inlet 111 such that the combustion medium input chamber 130 is located to the left of the hydrogen reaction chamber 110; the height of the whole hydrogen reactor 100 in the vertical direction is reduced, so that the hydrogen reactor can adapt to a placement space with insufficient height in the vertical direction and wider width in the horizontal direction; thereby achieving the purpose of adjusting the overall installation structure of the hydrogen reactor 100 to meet the use requirements under different environments and spaces.
Further, the gas inlet 131 is located on the right side of the vapor inlet 111; the combustion medium input chamber 130 is located at the right side of the hydrogen reaction chamber 110.
It will be appreciated that the gas inlet 131 is positioned to the right of the vapor inlet 111 such that the combustion medium input chamber 130 is positioned to the right of the hydrogen reaction chamber 110; the height of the whole hydrogen reactor 100 in the vertical direction is reduced, so that the hydrogen reactor can adapt to a placement space with insufficient height in the vertical direction and wider width in the horizontal direction; thereby achieving the purpose of adjusting the overall installation structure of the hydrogen reactor 100 to meet the use requirements under different environments and spaces.
Preferably, the combustion medium input chamber 130 is disposed at the upper end of the hydrogen reaction chamber 110 in the vertical direction, and the off-gas discharge chamber 140 is disposed at the lower end of the hydrogen reaction chamber 110 in the vertical direction; of course, it is also possible that the combustion medium input chamber 130 is disposed at the lower end of the hydrogen reaction chamber 110, and the off-gas discharge chamber 140 is disposed at the upper end of the hydrogen reaction chamber 110; i.e. when the gas inlet 131 is located above or below the vapour inlet 111.
Further, the combustion medium input chamber 130 and the exhaust gas discharge chamber 140 are horizontally arranged at one side of the hydrogen reaction chamber 110, the combustion medium input chamber 130 is communicated with one end of the combustion catalyst tube 120, and the exhaust gas discharge chamber 140 is communicated with the other end of the combustion catalyst tube 120; i.e. when the gas inlet 131 is located to the left or right of the vapour inlet 111.
For example, in order to accommodate the horizontal arrangement of the combustion medium input chamber 130 and the exhaust gas discharge chamber 140 at one side of the hydrogen reaction chamber 110, the combustion catalyst tube 120 may be configured in any form such as a bent shape, a coil, a straight tube, etc., and will not be described in detail herein.
Further, the exhaust gas discharge chamber 140 is provided with an exhaust gas discharge port 141, and the combustion medium input chamber 130 is provided with a gas inlet 131. The exhaust gas is discharged from the exhaust gas discharge chamber 140 through the exhaust gas discharge chamber 140, and the gas inlet 131 serves to input an external combustion medium into the combustion medium chamber.
Further, referring to fig. 3, 4 and 5, the method further includes: and at least one electric heating pipe 151 disposed in the hydrogen reaction chamber 110 and located at one side of the combustion catalyst pipe 120.
By arranging at least one electric heating pipe 151 in the hydrogen reaction chamber 110, the steam in the hydrogen reaction chamber 110 is further heated, so as to increase the reaction rate of the steam and the hydrogen production catalyst; meanwhile, the efficiency of the hydrogen production reaction is greatly improved by combining the heat generated by the full reaction of the combustion catalyst in the combustion catalyst tube 120 and the combustion medium.
Further, a plurality of electric heating pipes 151 extend along the length direction of the combustion catalyst pipe 120 and are disposed at intervals in the hydrogen reaction chamber 110.
By arranging the plurality of electric heating pipes 151 in the hydrogen reaction chamber 110 at intervals, on one hand, the heating effect is improved, so that the temperature of the hydrogen reaction chamber 110 is rapidly increased; on the other hand, the plurality of electric heating tubes 151 are distributed at intervals, and can uniformly and sufficiently heat the steam, so that the steam can be efficiently generated into hydrogen gas under the catalytic action of the hydrogen generation catalyst; meanwhile, the electric heating tube 151 extends along the length direction of the combustion catalyst tube 120, so that the heating depth of the electric heating tube 151 is increased, and the effects of uniform and rapid steam heating are further improved.
Further, the method also comprises the following steps: an electric heating chamber 150, which is arranged at one end of the combustion medium input chamber 130 far away from the hydrogen reaction chamber 110; and a plurality of electric heating pipes 151, one end of which is disposed in the electric heating chamber 150 and the other end of which passes through the combustion medium input chamber 130 and is disposed at one side of the combustion catalyst pipe 120 at intervals.
An electric heating cavity 150 is arranged at one end of the combustion medium input cavity 130 far away from the hydrogen reaction cavity 110, and is used for installing an electric heating pipe 151; meanwhile, one end of the electric heating tube 151 is disposed in the electric heating cavity 150, and the other end of the electric heating tube passes through the combustion medium input cavity 130 and is disposed at one side of the combustion catalysis tube 120 at intervals, so that the combustion medium in the combustion medium input cavity 130 can be preheated, the combustion medium flowing into the combustion catalysis tube 120 can rapidly react with the combustion catalyst, the reaction speed of the two is greatly improved, and the heat release efficiency is improved.
Further, referring to fig. 3, 4 and 5, the method further includes: at least one baffle plate 160, which is arranged in the hydrogen reaction chamber 110 and is connected with the outer surface of the combustion catalysis tube 120; wherein a flow gap is provided between one side of each baffle plate 160 and the hydrogen reaction chamber 110.
The baffle plate 160 is arranged in the hydrogen reaction chamber 110 and is used for slowing down the flow of the steam in the hydrogen reaction chamber 110, so that the steam and the hydrogen production catalyst in the hydrogen reaction chamber 110 fully react to generate hydrogen; meanwhile, a circulation gap is formed between one side of each baffle plate 160 and the hydrogen reaction chamber 110, so that steam flows through each corner of the hydrogen reaction chamber 110 along the circulation gap, and reacts with the hydrogen production catalyst arranged in the hydrogen reaction chamber 110 fully and uniformly.
Further, the baffles 160 are plural and are arranged at intervals in a staggered manner along the axial direction of the hydrogen reaction chamber 110.
The baffle plates 160 are distributed at intervals in a staggered manner along the axial direction of the hydrogen reaction cavity 110 to play a role in guiding flow, so that steam flows through hydrogen production catalysts at all positions of the hydrogen reaction cavity 110 along the baffle plates 160 in the hydrogen reaction cavity 110, and the hydrogen production efficiency is improved; meanwhile, the baffle plates 160 are distributed at intervals in a staggered manner, so that the flow path of steam is prolonged, the steam can fully react with the hydrogen production catalyst in the hydrogen reaction cavity 110, and the hydrogen production efficiency is further improved.
Further, the adjacent baffles 160 are partially overlapped.
Through setting up the partial coincidence between two adjacent baffling boards 160, make the steam that flows into in the hydrogen reaction chamber 110 can be along baffling board 160 coincidence part downward infiltration, fully react with hydrogen production catalyst, extension steam circulation route for hydrogen production catalyst reaction is more even.
Further, the combustion catalyst tube 120 is a double-layer tube, the inner layer is a high-strength layer, the outer layer is a high thermal conductivity layer, and the inner layer and the outer layer are tightly attached.
The inner layer of the combustion catalyst tube 120 is provided as a high strength layer for enhancing the overall strength of the combustion catalyst tube 120; the outer layer is a high thermal conductivity layer for improving the thermal conductivity of the combustion catalyst tube 120.
In the specific application process, the heat generated in the combustion catalysis tube 120 is firstly transferred to the outer layer through the inner layer, and the heat can be effectively transferred to the outside of the combustion catalysis tube 120 due to the high heat conductivity coefficient of the outer layer, so that the heat loss is reduced, the reaction of the steam of the combustion catalysis tube 120 and the hydrogen production catalyst is accelerated, and the hydrogen production efficiency is improved.
Preferably, the outer layer of the combustion catalyst tube 120 is formed to have a thickness greater than that of the inner layer while maintaining the overall strength of the combustion catalyst tube 120, for example, the ratio of the thicknesses of the outer layer to the inner layer of the combustion catalyst tube 120 is set to: 2:1. In order to reduce losses in the transfer of thermal energy from the inner layer to the outer layer in the combustion catalyst tubes 120.
Further, the hydrogen reaction chamber 110 is further provided with at least one hydrogen production catalyst placing port 170. Used for preventing hydrogen production catalyst.
Further, referring to fig. 3 and 5, the hydrogen reaction chamber 110 further includes, for example, a baffle 113, a vapor buffer chamber 180 is formed between the baffle 113 and the second partition 192, and the vapor inlet 111 communicates with the vapor buffer chamber 180. The baffle 113 is provided with at least one first through hole, at least one second through hole and at least one third through hole which are uniformly distributed; the electric heating tube 151 is connected with each first through hole in a matching way; the combustion catalyst tube 120 is connected with each second through hole in a matching way; for example, the vapor enters the vapor buffer chamber 180, and as the vapor is continuously accumulated in the vapor buffer chamber 180, the vapor gradually approaches the baffle 113 and finally passes through each of the third through holes uniformly distributed, so that the vapor is uniformly distributed, and the hydrogen production catalyst generates hydrogen under the heating conditions of each of the electric heating tubes 151 and each of the combustion catalyst tubes 120, and is finally discharged from the hydrogen outlet 112.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected by one skilled in the art without departing from the spirit and scope of the utility model, as defined in the appended claims.
Claims (10)
1. A hydrogen reactor, comprising:
the hydrogen reaction cavity (110) is provided with a steam inlet (111) and a hydrogen outlet (112); the hydrogen outlet (112) is disposed distal to the vapor inlet (111);
at least one combustion catalyst tube (120) disposed within the hydrogen reaction chamber (110); a combustion catalyst is arranged inside the combustion catalysis tube (120), and a hydrogen production catalyst is arranged outside the combustion catalysis tube (120);
a gas inlet (131) having one end communicating with the outside of the hydrogen reactor and the other end communicating with the inside of the combustion catalyst pipe (120);
wherein the gas inlet (131) is located above or below or to the left or right of the vapour inlet (111).
2. A hydrogen reactor according to claim 1, characterized in that the gas inlet (131) is provided in plurality and/or the vapour inlet (111) is provided in plurality.
3. A hydrogen reactor according to claim 1, characterized by further comprising:
the combustion medium input cavity (130) is arranged at one end of the hydrogen reaction cavity (110);
the waste gas discharge cavity (140) is arranged at one end of the hydrogen reaction cavity (110) far away from the combustion medium input cavity (130);
wherein one end of the combustion catalyst pipe (120) is communicated with the combustion medium input cavity (130), and the other end is communicated with the waste gas discharge cavity (140); the gas inlet (131) is arranged in the combustion medium input cavity (130).
4. A hydrogen reactor according to claim 3, characterized in that the gas inlet (131) is located above the vapour inlet (111); the combustion medium input chamber (130) is positioned at the upper end of the hydrogen reaction chamber (110).
5. A hydrogen reactor according to claim 3, characterized in that the gas inlet (131) is located below the vapour inlet (111); the combustion medium input chamber (130) is positioned at the lower end of the hydrogen reaction chamber (110).
6. A hydrogen reactor according to claim 3, characterized in that the gas inlet (131) is located to the left of the vapour inlet (111); the combustion medium input chamber (130) is positioned at the left side of the hydrogen reaction chamber (110).
7. A hydrogen reactor according to claim 3, characterized in that the gas inlet (131) is located to the right of the vapour inlet (111); the combustion medium input chamber (130) is located at the right side of the hydrogen reaction chamber (110).
8. A hydrogen reactor according to claim 1, characterized in that the at least one combustion catalyst tube (120) is a straight tube and/or a coil.
9. The hydrogen reactor according to claim 1, wherein the combustion catalyst tube (120) is provided in plural and extends along the axial direction of the hydrogen reaction chamber (110) at intervals in the hydrogen reaction chamber (110).
10. A hydrogen reactor according to claim 1, characterized in that the combustion catalyst tubes (120) are double tubes.
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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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