CN112897461A - Metal hydrogen production circulation system - Google Patents
Metal hydrogen production circulation system Download PDFInfo
- Publication number
- CN112897461A CN112897461A CN202110330578.3A CN202110330578A CN112897461A CN 112897461 A CN112897461 A CN 112897461A CN 202110330578 A CN202110330578 A CN 202110330578A CN 112897461 A CN112897461 A CN 112897461A
- Authority
- CN
- China
- Prior art keywords
- hydrogen production
- reactor
- circulation
- metal
- bin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/08—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents with metals
-
- 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
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
-
- 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
Abstract
The invention relates to a metal hydrogen production circulating system which comprises a liquid supplementing bin, a circulating bin, a reactor, a water-gas separator and a filter, wherein the liquid supplementing bin, the circulating bin, the reactor, the water-gas separator and the filter are sequentially connected, catalyst liquid is filled in the liquid supplementing bin and the circulating bin, the catalyst liquid is filled in the circulating bin, an energy tank is arranged in the reactor, hydrogen production metal is filled in the energy tank, a gas-phase outlet is formed in the top of the water-gas separator, the gas-phase outlet is connected with a hydrogen user through the filter, a liquid-phase outlet is formed in the bottom of the water-gas separator, and the liquid-phase. The invention can realize temporary large-scale hydrogen use in the field by carrying enough hydrogen production raw materials, is suitable for meteorological hydrogen production and temporary hydrogen use in the field of fuel cells, and has the advantages of simple operation, little pollution, low cost, convenient maintenance, good safety and the like.
Description
Technical Field
The invention relates to the technical field of hydrogen production, in particular to a metal hydrogen production circulating system.
Background
The development of new energy sources in the world is urgent, because the used energy sources such as petroleum, natural gas, coal and petroleum gas are all non-renewable resources, the stock on the earth is limited, and the human beings can not leave the energy sources all the time for survival, so the new energy sources are required to be searched. Hydrogen energy is a recognized clean energy source that is emerging as a low and zero carbon energy source.
There are many methods for producing hydrogen, such as hydrogen production by water electrolysis, hydrogen production by methanol reforming, chemical hydrogen production, and the like. The chemical hydrogen production is the most suitable scheme for the field hydrogen production due to the advantages of low power consumption, simple structure, convenient supply and the like. The traditional chemical hydrogen production equipment for gas phase uses ferrosilicon powder to produce hydrogen, the chemical reaction is violent, and the pollution of products is serious; the hydrogen production by sodium borohydride is limited by the cost problem of the sodium borohydride raw material, and cannot be applied on a large scale all the time. Compared with sodium borohydride, the hydrogen production by the metal magnesium aluminum has low cost, and the product is more environment-friendly. When the magnesium-aluminum metal is used for producing hydrogen, the reactant is water, and air is inevitably brought in the process of adding water, so that the process of removing air is increased, hydrogen waste is caused, and potential safety hazards are increased.
Therefore, there is a need in the art for a safer metal hydrogen production cycle system.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a safer metal hydrogen production circulation system.
In order to achieve the object of the present invention, the present application provides the following technical solutions.
In the first aspect, the application provides a metal hydrogen production circulation system, the system is including the fluid infusion storehouse, circulation storehouse, reactor, water gas separator and the filter that connect gradually, wherein, fluid infusion storehouse and circulation storehouse intussuseption are filled with catalyst liquid, just the circulation storehouse is filled with catalyst liquid, be equipped with the energy jar in the reactor, load hydrogen production metal in the energy jar, water gas separator's top is equipped with the gas phase export, the gas phase export passes through the filter and is connected with the hydrogen user, water gas separator's bottom is equipped with the liquid phase export, the liquid phase export is connected with the fluid infusion storehouse. In this application, catalyst liquid is carried to the storehouse that circulates from the fluid infusion storehouse to catalyst liquid in the storehouse that will circulate is impressed in the reactor, because the storehouse that circulates is in the state of filling up all the time, consequently, in the catalyst liquid of input reactor, can not contain the air, thereby has reduced the step of evacuation (except changing the energy jar after, first hydrogen manufacturing need discharge the inside air of reactor), has improved the security of hydrogen manufacturing. And (4) allowing the catalyst liquid to enter the reactor and react with the hydrogen production metal in the energy tank to obtain hydrogen.
In an embodiment of the first aspect, a feeding pump is disposed between the replenishing bin and the circulating bin, one end of the feeding pump is inserted into the bottom of the replenishing bin, and the other end of the feeding pump is connected to the top surface of the circulating bin.
In an embodiment of the first aspect, a top surface of the circulation bin is provided with a feed inlet, a discharge outlet and a circulation port, the feed inlet is connected with one end of a feed pump, the discharge outlet is connected with the middle part or the upper part of the reactor, the circulation port is connected with the bottom of the reactor, and a circulation pump is arranged on the connection pipeline.
In an embodiment of the first aspect, the feed inlet, the discharge outlet and the circulation port are respectively provided with a first valve, a second valve and a third valve.
In one embodiment of the first aspect, the bottom of the reactor is connected to a fluid infusion chamber, and a fourth valve is disposed on the connecting pipeline.
In one embodiment of the first aspect, the catalyst fluid is an aqueous solution of one or more of sodium hydroxide, sodium borohydride, sodium chloride, sodium stannate, aluminum hydroxide, calcium oxide, sodium silicate, or sodium metaaluminate.
In one embodiment of the first aspect, the energy tank is removably secured inside the reactor, the energy tank comprises an outer skeleton and a hydrogen-producing metal disposed within the skeleton, and the outer portion of the skeleton comprises a non-woven fabric or metal mesh. The material of the framework should be metal which does not react with the catalyst liquid, such as copper, silver and the like, or inert materials such as plastic, ceramic, glass and the like are adopted, the material of the metal net is also metal which does not react with the catalyst liquid, and the non-woven fabric or the metal net is arranged outside the framework to ensure that the hydrogen production metal can be stored in the framework.
In one embodiment of the first aspect, the hydrogen producing metal comprises a powdered, granular or chip-like product of magnesium or aluminum.
In one embodiment of the first aspect, a heat sink is provided between the reactor and the moisture separator. The heat sink is mainly used for cooling the gas coming out of the reactor, so that water vapor is condensed and separated from the hydrogen in the water vapor separator, thereby achieving the purpose of purifying the hydrogen, and the filter achieves the purpose of further purifying and drying the hydrogen.
In one embodiment of the first aspect, the reactor and the radiator are connected by an inverted U-shaped pipe, and this arrangement is used to prevent the catalyst solution from overflowing to the rear end in an abnormal situation.
Compared with the prior art, the invention has the beneficial effects that:
(1) by carrying enough hydrogen production raw materials, the temporary large-scale hydrogen utilization in the field can be realized, and the method is suitable for meteorological hydrogen production and the temporary hydrogen utilization in the field of fuel cells.
(2) Simple operation, little pollution, low cost, convenient maintenance and high safety factor.
Drawings
Fig. 1 is a schematic structural view of a hydrogen production cycle system according to the present application.
In the attached drawing, 1 is a liquid supplementing bin, 2 is a circulating bin, 3 is a reactor, 4 is a radiator, 5 is a water-gas separator, 6 is a filter, 7 is a feeding pump, 8 is a circulating pump, 9 is a second valve, 10 is a third valve, 11 is a first valve, 12 is a fourth valve, 13 is an energy tank, 14 is non-woven fabric, 15 is an inverted U-shaped pipeline, 16 is a temperature sensor, 17 is a liquid level sensor, and 18 is a liquid level sensor.
Detailed Description
Unless otherwise defined, technical or scientific terms used herein in the specification and claims should have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. All numerical values recited herein as between the lowest value and the highest value are intended to mean all values between the lowest value and the highest value in increments of one unit when there is more than two units difference between the lowest value and the highest value.
While specific embodiments of the invention will be described below, it should be noted that in the course of the detailed description of these embodiments, in order to provide a concise and concise description, all features of an actual implementation may not be described in detail. Modifications and substitutions to the embodiments of the present invention may be made by those skilled in the art without departing from the spirit and scope of the present invention, and the resulting embodiments are within the scope of the present invention.
Examples
The following will describe in detail the embodiments of the present invention, which are implemented on the premise of the technical solution of the present invention, and the detailed embodiments and the specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
Example 1
A metal hydrogen production circulating system is structurally shown in figure 1 and comprises a reactor, a circulating bin, a liquid supplementing bin, an energy tank, a centrifugal pump, a feeding pump, a radiator, a water-gas separator, a filter and the like; the reactor mainly comprises a reactor main body and an inlet top cover; the top of the reactor body is provided with a level sensor 17 and a temperature sensor for detecting the internal level and temperature change. The energy tank is fixed in the reactor main body and comprises a framework and hydrogen production metal (the framework and the hydrogen production metal are not shown because the energy tank is externally wrapped with non-woven fabric), the framework is mainly metal which does not react with the catalyst liquid, and the outer layer is wrapped with water-permeable, breathable and corrosion-resistant non-woven fabric; the hydrogen production metal in this embodiment may be one or more of magnesium powder, magnesium particles, magnesium chips, aluminum powder, aluminum chips, aluminum powder, and the like. The circulating bin and the liquid replenishing bin are both catalyst solution, which mainly comprises one or more aqueous solutions of sodium hydroxide, sodium borohydride, sodium chloride, sodium stannate, aluminum hydroxide, calcium oxide, sodium silicate, sodium metaaluminate and the like. A level sensor 18 is provided in the circulation tank. The radiator is connected with the reactor main body through a section of inverted U-shaped pipe and is used for preventing excessive catalyst solution from overflowing to the rear end under abnormal conditions. The water-gas separator is mainly used for collecting heat dissipation condensate water and discharging the heat dissipation condensate water into the liquid replenishing bin; the filter is used to dry the hydrogen.
The working principle of the system is as follows:
(1) filling the liquid supplementing bin with catalyst liquid, opening the first valve and the second valve, closing the third valve, pumping the catalyst liquid into the circulating bin through the feeding pump until the liquid supplementing bin is full, then closing the second valve, and closing the feeding pump;
(2) opening the top cover of the reactor, putting the energy tank into the reactor, and covering the top cover;
(3) and opening the second valve again, opening the feeding pump, and continuously pumping the catalyst liquid into the circulating bin, so that the catalyst liquid is pressed into the reactor until the liquid level sensor 17 senses the corresponding liquid level, and simultaneously, the air in the reactor is equivalently discharged. At the moment, catalyst liquid enters the middle part of the energy tank through the non-woven fabric on the outer layer of the energy tank and contacts with hydrogen production metal to produce hydrogen, the hydrogen is radiated by a radiator, hydrogen and water are separated by a water-gas separator, the hydrogen can be used after being dried by a filter, and the water periodically flows into a liquid supplementing bin;
(4) in the reaction process, the third valve and the centrifugal pump are opened, and the first valve is closed, so that the catalyst liquid circulates in the circulating bin and the reactor, and the functions of defoaming and balancing the concentration of the catalyst can be achieved;
(5) and after the reaction is finished, keeping the third valve open, closing the second valve, opening the first valve, pumping the catalyst liquid in the reactor into the circulating bin, and reversely pressing the catalyst liquid into the liquid supplementing bin. When catalyst liquid enters the liquid replenishing bin, the circulating bin is filled with the catalyst liquid, the centrifugal pump is stopped, the third valve and the first valve are closed, the fourth valve is opened, and the catalyst liquid in the reactor flows back to the liquid replenishing bin;
(6) and (3) after the hydrogen production metal in the energy tank is consumed, opening the top cover of the inlet of the reactor, taking out the waste energy tank, putting the waste energy tank into a new energy tank, and repeating the steps (1) to (5), wherein if the energy tank is unlimited, hydrogen can be repeatedly produced.
The embodiments described above are intended to facilitate the understanding and appreciation of the application by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present application is not limited to the embodiments herein, and those skilled in the art who have the benefit of this disclosure will appreciate that many modifications and variations are possible within the scope of the present application without departing from the scope and spirit of the present application.
Claims (10)
1. The utility model provides a metal hydrogen production circulation system, its characterized in that, the system is including the fluid infusion storehouse, circulation storehouse, reactor, moisture separator and the filter that connect gradually, wherein, fluid infusion storehouse and circulation storehouse intussuseption are filled with catalyst liquid, just the circulation storehouse is filled with catalyst liquid, be equipped with the energy jar in the reactor, fill hydrogen production metal in the energy jar, moisture separator's top is equipped with the gas phase export, the gas phase export passes through the filter and is connected with the hydrogen user, moisture separator's bottom is equipped with the liquid phase export, the liquid phase export is connected with the fluid infusion storehouse.
2. The metal hydrogen production circulation system according to claim 1, wherein a feed pump is arranged between the liquid replenishing bin and the circulation bin, one end of the feed pump is inserted into the bottom of the liquid replenishing bin, and the other end of the feed pump is connected with the top surface of the circulation bin.
3. The metal hydrogen production circulation system according to claim 2, wherein the top surface of the circulation bin is provided with a feed inlet, a discharge outlet and a circulation port, the feed inlet is connected with one end of a feed pump, the discharge outlet is connected with the middle part or the upper part of the reactor, the circulation port is connected with the bottom of the reactor, and a circulation pump is arranged on the connection pipeline.
4. The metal hydrogen production cycle system of claim 3, wherein the feed port, the discharge port and the cycle port are respectively provided with a first valve, a second valve and a third valve.
5. The metal hydrogen production circulation system according to claim 3, wherein the bottom of the reactor is connected with a liquid replenishing bin, and a fourth valve is arranged on the connecting pipeline.
6. The metal hydrogen production cycle system of claim 1, wherein the catalyst liquid is an aqueous solution of one or more of sodium hydroxide, sodium borohydride, sodium chloride, sodium stannate, aluminum hydroxide, calcium oxide, sodium silicate, or sodium metaaluminate.
7. The metal hydrogen production cycle system of claim 1, wherein the energy tank is removably secured within the reactor, the energy tank comprises an outer skeleton and hydrogen production metal disposed within the skeleton, and the outer portion of the skeleton comprises a non-woven fabric or metal mesh.
8. The metal hydrogen production cycle system of claim 7, wherein the hydrogen producing metal comprises a powdered, granular or scrap product of magnesium or aluminum.
9. The metal hydrogen production cycle system of claim 1, wherein a heat sink is disposed between the reactor and the moisture separator.
10. The metal hydrogen production cycle system of claim 9, wherein the reactor and the heat sink are connected by an inverted U-shaped pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330578.3A CN112897461A (en) | 2021-03-25 | 2021-03-25 | Metal hydrogen production circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110330578.3A CN112897461A (en) | 2021-03-25 | 2021-03-25 | Metal hydrogen production circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112897461A true CN112897461A (en) | 2021-06-04 |
Family
ID=76109180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110330578.3A Pending CN112897461A (en) | 2021-03-25 | 2021-03-25 | Metal hydrogen production circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112897461A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432668A (en) * | 2022-10-20 | 2022-12-06 | 北京理工大学 | Metal hydrogen production system under low temperature |
-
2021
- 2021-03-25 CN CN202110330578.3A patent/CN112897461A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432668A (en) * | 2022-10-20 | 2022-12-06 | 北京理工大学 | Metal hydrogen production system under low temperature |
| CN115432668B (en) * | 2022-10-20 | 2024-01-02 | 北京理工大学 | Metal hydrogen production system under low temperature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103579652B (en) | A kind of fuel cell generation of magnesium hydride hydrolyzation hydrogen supplying | |
| CN215085877U (en) | Gas-liquid separation integrated device in hydrogen production system | |
| CN207947347U (en) | hydrogen power fuel cell vehicle hydrogen storage system | |
| CN104860264B (en) | Residual gas heat exchange combustion-supporting system and method based on methanol water reforming hydrogen production system | |
| CN101962171A (en) | System for continuously generating hydrogen from molten aluminum | |
| CN214360252U (en) | Hydrogen production system | |
| CN110526212B (en) | Hydrogen purification device with fish bone structure | |
| CN110526210A (en) | A kind of controllable chemical hydrogen making reaction device | |
| CN112897461A (en) | Metal hydrogen production circulation system | |
| CN201777878U (en) | Micro-chemical hydrogen production device | |
| CN203728569U (en) | Hydrogen generating reactor employing aluminum water | |
| CN212315530U (en) | Hydrogen production device by hydrolysis of sodium borohydride of kilowatt-level fuel cell | |
| CN215160999U (en) | Metal hydrogen production circulation system | |
| CN205892744U (en) | Multicavity hydrogen generation device | |
| CN201381220Y (en) | Instantaneous self-control hydrogen generation device | |
| CN103253630B (en) | The device for preparing hydrogen through hydrolysis of the dry framework of the layering heat conduction of integrated feed tank in inside | |
| CN203359972U (en) | Hydrolysis hydrogen production device integrating feeding pool inside and adopting layered heat conduction and drying framework | |
| CN210239996U (en) | Screw air compressor machine waste heat recovery device | |
| CN204643838U (en) | Based on the residual air heat exchange combustion-supporting system of methanol-water hydrogen production system employing reforming technology | |
| CN201850148U (en) | Silicon powder drying device | |
| CN108726475A (en) | A kind of hydrogen producer and its hydrogen production process | |
| CN113264502A (en) | Hydrogen production device by hydrolysis of sodium borohydride of kilowatt-level fuel cell | |
| CN112897460A (en) | Portable hydrogen production reactor | |
| CN210366975U (en) | Hydrogen generator for producing hydrogen by using sodium borohydride catalysis | |
| CN103936009B (en) | A kind of thermal decomposition of silane produces the device and method of nano level high-purity silicon powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |