CN206858159U - A kind of hydrogen generating system - Google Patents
A kind of hydrogen generating system Download PDFInfo
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- CN206858159U CN206858159U CN201720773062.5U CN201720773062U CN206858159U CN 206858159 U CN206858159 U CN 206858159U CN 201720773062 U CN201720773062 U CN 201720773062U CN 206858159 U CN206858159 U CN 206858159U
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- liquid metal
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- heat exchanger
- hydrogen
- generating system
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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
Hydrogen preparation field is the utility model is related to, discloses a kind of hydrogen generating system, including：Heat collection mechanism, heat collection mechanism include heat collector and liquid metal pipeline, and liquid metal pipeline is connected with the heat collector, and heat collector is used to absorb heat, and liquid metal is filled with liquid metal pipeline；Hydrogen manufacturing mechanism；Heat exchanger, heat exchanger are connected with hydrogen manufacturing mechanism and liquid metal pipeline respectively.The utility model heat collector collects liquid metal of the heat transfer to liquid metal pipeline；Liquid metal is passed through heat exchanger, and the heat needed for reaction is provided to hydrogen manufacturing mechanism.The utility model replaces fuse salt to have relatively low fusing point and higher boiling point as heat transfer medium, can keep liquid within the scope of larger temperature, will not undergo phase transition, heat transfer is stable by the use of liquid metal；Liquid metal has the thermal conductivity for being far above the nonmetallic cooling agent such as air, water, heat transfer efficiency height；Good fluidity；Improve the efficiency and stability of hydrogen generating system.
Description
Technical field
Hydrogen preparation field is the utility model is related to, more particularly to a kind of hydrogen generating system.
Background technology
Current fossil energy supply conditions are increasingly serious, and fossil energy is opened using forcing ecological environment constantly to be destroyed
Hair and the only way for realizing energy sustainable development as China using regenerative resource.Solar energy resources cleans, is pollution-free
And reserves are big, but there is dispersiveness, unstability, discontinuity.Converting solar energy into chemical energy source can solve
Certainly solar energy storage, transport, problem is limited etc. by space.
Hydrogen Energy is as a kind of clear energy sources, it is considered to be the connection bridge of optimal fossil energy and regenerative resource.
The solar hydrogen making technology of exploitation efficiently, inexpensive turns into international study hotspot.Solar heat chemistry hydrogen manufacturing is using too
Positive energy focusing technology obtains heat energy and high temperature is used for hydrogen production reaction, and its energy conversion efficiency is high, and technological means is more ripe, has wide
Wealthy prospects for commercial application
Mainly have currently with the method for solar energy progress heat chemistry hydrogen manufacturing following several：
(1) solar energy high temperature hydrogen production by water decomposition is directly utilized, operation temperature is at 2000 DEG C or so.This method is due to dividing
High-temperature gas product after solution has the danger of contact explositions, and high-temperature gas product is difficult to separate.
(2) solar energy thermo-chemical decomposition of water hydrogen manufacturing, for operation temperature typically more than 1000 DEG C, this method can be effective
Ground solves the above problems, and tens kinds of circulation hydrogen production process occurs, wherein, famous has Fe2O3 circulations, S/I circulations, UT-3 to follow
Ring, Fe/Cl/O/H circulations, Mark circulations, the circulation of solar energy decomposing metal oxide etc..
(3) solar energy methane reforming hydrogen manufacturing, 900 DEG C of heat is by tower type solar optically focused required for methane vapor reforming
Device provides.
(4) for the operation temperature of solar energy fossil fuel/gasification hydrogen-producing also at 1000 DEG C or so, solar energy is the combustion of the fossils such as coal
Expect that gasification reaction provides energy, manufactured synthesis gas needs to carry out elite, purifying technique.
Four kinds of hydrogen production process of the above use high temperature solar hydrogen manufacturing, and operation temperature is very high, are needed when large-scale promotion
High temperature resistant fluid media (medium) is used to carry out heat transmission.Currently, the fluid media (medium) of large solar hydrogen manufacturing is typically chosen melting
Salt.But because the operating temperature of fuse salt is generally less than 800 DEG C, and the operation temperature of high temperature solar hydrogen manufacturing is typically 1000
More than DEG C, the mismatch problem of temperature therebetween be present, fuse salt works long hours under superhigh temperature, it may occur that decompose, shadow
The performance of fuse salt is rung, or even influences the security of system.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of hydrogen generating system, solves and is used as heat conduction by the use of fuse salt in the prior art
Efficiency that medium is triggered is low and the problem of stability difference.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of hydrogen generating system, it is characterised in that including：
Heat collection mechanism, the heat collection mechanism include heat collector and liquid metal pipeline, the liquid metal pipeline with it is described
Heat collector is connected, and the heat collector is used to absorb heat, and liquid metal is filled with the liquid metal pipeline；
Hydrogen manufacturing mechanism；
Heat exchanger, the heat exchanger are connected with the hydrogen manufacturing mechanism and liquid metal pipeline respectively.
Wherein, the heat collection mechanism also includes liquid metal pump and liquid metal fluid reservoir, the liquid metal pump and liquid
State metal fluid reservoir is all provided with the liquid metal pipeline；
The hydrogen manufacturing mechanism includes reactor, and the reactor can pass through the heat exchanger and the liquid metal pipeline
Heat exchange.
Wherein, in addition to air accumulator, the hydrogen manufacturing mechanism also include metal storage tank and hydrogen container, the metal storage tank
One end, air accumulator and reactor be connected with the first heat exchanger tube of the heat exchanger, the other end of the metal storage tank leads to
Cross the reactor to be connected with the hydrogen container, the liquid metal pipeline is connected with the second heat exchanger tube of the heat exchanger.
Wherein, the heat exchanger is additionally provided with methane entrance.
Wherein, in addition to liquid metal separator, the heat exchanger are mixing contact heat exchanger, and the liquid metal divides
From device at the heat exchanger.
Wherein, the liquid metal is gallium-base alloy, indium-base alloy, kamash alloy, bismuth-base alloy, acid bronze alloy, lithium conjunction
At least one of gold, cadmium-bismuth alloy, tin-bismuth alloy electroplating, bismuth-kirsite, calcium-copper alloy, lead bismuth alloy.
(3) beneficial effect
A kind of hydrogen generating system provided by the utility model, heat biography is carried out by the use of liquid metal as high temperature resistant fluid media (medium)
It is defeated, substitute existing fuse salt.Liquid metal has relatively low fusing point and higher boiling point, can be within the scope of larger temperature
Liquid is kept, will not be undergone phase transition, heat transfer is stable；Liquid metal has the thermal conductivity for being far above the nonmetallic cooling agent such as air, water
Rate, heat transfer efficiency are high；Good fluidity is in fuse salt；Improve the efficiency and stability of hydrogen generating system.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model embodiment 1；
Fig. 2 is the structure chart of the utility model embodiment 2；
Fig. 3 is the structure chart of the utility model embodiment 3；
Fig. 4 is the flow chart of the utility model embodiment 1；
Fig. 5 is the flow chart of the utility model embodiment 2；
Fig. 6 is the flow chart of the utility model embodiment 3.
In figure, 1, heat collection mechanism；2nd, heat exchanger；3rd, hydrogen manufacturing mechanism；11st, heat collector；12nd, liquid metal pipeline；13rd, liquid
Metal fluid reservoir；14th, separator；15th, liquid metal pump；16th, metal storage tank；17th, reactor；18th, hydrogen container；19th, gas storage
Tank；20th, methane entrance.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to the scope of the utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model discloses a kind of hydrogen generating system, including：Heat collection mechanism 1, the heat collection mechanism 1 include the He of heat collector 11
Liquid metal pipeline 12, the liquid metal pipeline 12 are connected with the heat collector 11, and the heat collector 11 is used to absorb heat；
Hydrogen manufacturing mechanism 3；
Heat exchanger 2, the heat exchanger 2 are connected with the hydrogen manufacturing mechanism 3 and liquid metal pipeline 12 respectively.
A kind of hydrogen production process is also disclosed in the utility model, including：
Heat collector collects liquid metal of the heat transfer to liquid metal pipeline；
Liquid metal is passed through heat exchanger, and the heat needed for reaction is provided to hydrogen manufacturing mechanism.
The utility model discloses a kind of hydrogen generating system, and heat transmission is carried out by the use of liquid metal as high temperature resistant fluid media (medium),
Substitute existing fuse salt.Have the advantages that：Liquid metal has relatively low fusing point and higher boiling point, can compared with
Liquid is kept within the scope of big temperature, will not be undergone phase transition, heat transfer is stable；Liquid metal, which has, is far above the non-gold such as air, water
Belong to the thermal conductivity of cooling agent, heat transfer efficiency is high；Meanwhile the conductive capability that liquid metal is good, it can be driven using electromagnetic pump；Liquid
The mobility of state metal is much better than fuse salt.Using fusing point is low, boiling point is high, the liquid metal of excellent thermal conductivity is used as solar energy system
The heat transfer medium of hydrogen system is favorably improved solar hydrogen-system making efficiency and operation stability.
Wherein, the liquid metal is gallium-base alloy, indium-base alloy, kamash alloy, bismuth-base alloy, acid bronze alloy, lithium conjunction
At least one of gold, cadmium-bismuth alloy, tin-bismuth alloy electroplating, bismuth-kirsite, calcium-copper alloy, lead bismuth alloy.
Wherein, wherein, in addition to liquid metal separator 14, the heat exchanger 2 is mixing contact heat exchanger, the liquid
At the heat exchanger 2, the liquid metal separator is used to separate liquid metal state apparatus for separating metals 14, prevents that liquid is golden
Metal conduit 12 is passed through the impurity such as metal or metal oxide.It can also be exchanged heat using contactless heat exchanger.
Embodiment 1：
As shown in Figure 1 and Figure 4, the method that the present embodiment produces hydrogen using methane with water reaction.The heat collection mechanism 1 is also
Including liquid metal pump 15 and liquid metal fluid reservoir 13, the liquid metal pump 15 and liquid metal fluid reservoir 13 are located at institute
Liquid metal pipeline 12 is stated, the hydrogen manufacturing mechanism 3 includes reactor 17.
The course of work：Heat collector collects liquid metal of the heat transfer to liquid metal pipeline, by the use of liquid metal as
Heat transfer medium, liquid metal are passed through heat exchanger, are passed through methane and water in the reactor, are changed with the liquid metal in the second heat exchanger tube
Hydrogen and carbon monoxide are produced after heat, subsequently also needs to be separated hydrogen and carbon monoxide.
Wherein, using slot type, dish-style or tower collecting system, up to more than 1000 DEG C of temperature can be obtained.Described liquid
The working medium of flowing is liquid metal in state metallic conduit, and the material of liquid metal pipeline is mutually compatible with liquid metal, at high temperature
Can exist with long-time stable.Described liquid metal fluid reservoir 13 is used for storing liquid metal, even if sunshine fluctuates
When, it can also keep the stable operation of system.Liquid metal pump 15 provides power for liquid metal flows, can be electromagnetic pump or from
Heart pump.Hydrogen manufacturing mechanism 3 is methane-steam reforming hydrogen generating system.Reactor 17 is that reforming reaction occurs for methane and vapor
Container.
Embodiment 2：
The present embodiment is substantially the same manner as Example 1, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 1 is described, only illustrates the present embodiment difference from Example 1：
As shown in Figure 2 and Figure 5, the present embodiment is reacted the method for producing hydrogen using metal and water.Its structure includes
Air accumulator 19, the hydrogen manufacturing mechanism 3 also include metal storage tank 16 and hydrogen container 18, one end of the metal storage tank 16, storage
The first heat exchanger tube of gas tank 19 and reactor 17 with the heat exchanger 2 is connected, and the other end of the metal storage tank 16 passes through
The reactor 17 is connected with the hydrogen container 18, and the second heat exchanger tube of the liquid metal pipeline 12 and the heat exchanger 2 connects
Connect.
The course of work：Heat collector collects liquid metal of the heat transfer to liquid metal pipeline, by the use of liquid metal as
Heat transfer medium, liquid metal are passed through heat exchanger, and the methane in reactor and water are substituted for into water, gold is filled with the first heat exchanger tube
After belonging to the liquid metal heat exchange in oxide, with the second heat exchanger tube, produce metal and oxygen, oxygen are collected by air accumulator；
Metal produces hydrogen by the water reaction in metal storage tank and reactor, and is collected by hydrogen container, caused gold
Category oxide is passed through the first heat exchanger tube.
Specifically, metal oxide can be zinc oxide, tin oxide, ferrous metals oxide, cerium metal oxides, calcium
Titanium ore class metal composite oxide.Metal storage tank 16 is used for storing the metal obtained after metal oxide high-temperature decomposes.
Embodiment 3：
The present embodiment is substantially the same manner as Example 2, brief for description, during the description of the present embodiment, no longer
Technical characteristic same as Example 2 is described, only illustrates the present embodiment difference from Example 2：
As shown in Figure 3 and Figure 6, the present embodiment is reacted using methane and metal oxide and produces metal and fuel gas,
Metal is reacting the method for generation hydrogen with water.Its structure is that heat exchanger 2 is additionally provided with methane entrance 20.
Method of work：Heat collector collects liquid metal of the heat transfer to liquid metal pipeline, by the use of liquid metal as
Heat transfer medium, liquid metal are passed through heat exchanger, and reactor is passed through into water, metal oxide and first are filled with the first heat exchanger tube
After liquid metal heat exchange in alkane, with the second heat exchanger tube, produce metal and fuel gas, fuel gas are collected by air accumulator；
Metal produces hydrogen by the water reaction in metal storage tank and reactor, and is collected by hydrogen container, caused gold
Category oxide is passed through the first heat exchanger tube.
Wherein, also contain hydrogen in fuel gas, it can be separated with carbon monoxide and collect hydrogen.The present embodiment and reality
Apply example 2 to compare, required temperature is lower, while does not produce oxygen, avoids metal re-oxidation, influences subsequent reactions.
A kind of hydrogen generating system provided by the utility model, heat biography is carried out by the use of liquid metal as high temperature resistant fluid media (medium)
It is defeated, substitute existing fuse salt.Liquid metal has relatively low fusing point and higher boiling point, can be within the scope of larger temperature
Liquid is kept, will not be undergone phase transition, heat transfer is stable；Liquid metal has the thermal conductivity for being far above the nonmetallic cooling agent such as air, water
Rate, heat transfer efficiency are high；Good fluidity is in fuse salt；Improve the efficiency and stability of hydrogen generating system.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (6)
- A kind of 1. hydrogen generating system, it is characterised in that including：Heat collection mechanism (1), the heat collection mechanism (1) include heat collector (11) and liquid metal pipeline (12), the liquid metal Pipeline (12) is connected with the heat collector (11), and the heat collector (11) is used to absorb heat, the liquid metal pipeline (12) It is interior to be filled with liquid metal；Hydrogen manufacturing mechanism (3)；Heat exchanger (2), the heat exchanger (2) are connected with the hydrogen manufacturing mechanism (3) and liquid metal pipeline (12) respectively.
- 2. hydrogen generating system as claimed in claim 1, it is characterised in that the heat collection mechanism (1) also includes liquid metal pump (15) and liquid metal fluid reservoir (13), the liquid metal pump (15) and liquid metal fluid reservoir (13) are located at the liquid Metallic conduit (12)；The hydrogen manufacturing mechanism (3) includes reactor (17), and the reactor (17) can pass through the heat exchanger (2) and the liquid State metallic conduit (12) exchanges heat.
- 3. hydrogen generating system as claimed in claim 2, it is characterised in that also including air accumulator (19), the hydrogen manufacturing mechanism (3) is also Including metal storage tank (16) and hydrogen container (18), one end, air accumulator (19) and the reactor of the metal storage tank (16) (17) the first heat exchanger tube with the heat exchanger (2) is connected, and the other end of the metal storage tank (16) passes through the reaction Device (17) is connected with the hydrogen container (18), and the liquid metal pipeline (12) and the second heat exchanger tube of the heat exchanger (2) connect Connect.
- 4. hydrogen generating system as claimed in claim 3, it is characterised in that the heat exchanger (2) is additionally provided with methane entrance (20).
- 5. hydrogen generating system as claimed in claim 1, it is characterised in that also including liquid metal separator (14), the heat exchange Device (2) is mixing contact heat exchanger, and the liquid metal separator (14) is located at the heat exchanger (2) place.
- 6. hydrogen generating system as claimed in claim 1, it is characterised in that the liquid metal is gallium-base alloy, indium-base alloy, tin Based alloy, bismuth-base alloy, acid bronze alloy, lithium alloy, cadmium-bismuth alloy, tin-bismuth alloy electroplating, bismuth-kirsite, calcium-copper alloy, lead bismuth At least one of alloy.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720773062.5U CN206858159U (en) | 2017-06-29 | 2017-06-29 | A kind of hydrogen generating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720773062.5U CN206858159U (en) | 2017-06-29 | 2017-06-29 | A kind of hydrogen generating system |
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| CN206858159U true CN206858159U (en) | 2018-01-09 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285276A (en) * | 2017-06-29 | 2017-10-24 | 中国科学院理化技术研究所 | A kind of hydrogen generating system and its method |
| CN112678768A (en) * | 2021-01-04 | 2021-04-20 | 重庆文理学院 | Method for preparing hydrogen by photocatalytic decomposition of water by using liquid metal |
| WO2023132340A1 (en) * | 2022-01-06 | 2023-07-13 | 京セラ株式会社 | Hydrogen production device |
| CN117587423A (en) * | 2023-11-21 | 2024-02-23 | 中国科学院电工研究所 | Integrated solar energy-SOEC hydrogen production reactor based on liquid metal heat transfer |
| CN117587423B (en) * | 2023-11-21 | 2024-06-07 | 中国科学院电工研究所 | Integrated solar energy-SOEC hydrogen production reactor based on liquid metal heat transfer |
-
2017
- 2017-06-29 CN CN201720773062.5U patent/CN206858159U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107285276A (en) * | 2017-06-29 | 2017-10-24 | 中国科学院理化技术研究所 | A kind of hydrogen generating system and its method |
| CN112678768A (en) * | 2021-01-04 | 2021-04-20 | 重庆文理学院 | Method for preparing hydrogen by photocatalytic decomposition of water by using liquid metal |
| WO2023132340A1 (en) * | 2022-01-06 | 2023-07-13 | 京セラ株式会社 | Hydrogen production device |
| CN117587423A (en) * | 2023-11-21 | 2024-02-23 | 中国科学院电工研究所 | Integrated solar energy-SOEC hydrogen production reactor based on liquid metal heat transfer |
| CN117587423B (en) * | 2023-11-21 | 2024-06-07 | 中国科学院电工研究所 | Integrated solar energy-SOEC hydrogen production reactor based on liquid metal heat transfer |
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