CN112723309B - Industrial production device of magnesium hydride - Google Patents
Industrial production device of magnesium hydride Download PDFInfo
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- CN112723309B CN112723309B CN202011617989.2A CN202011617989A CN112723309B CN 112723309 B CN112723309 B CN 112723309B CN 202011617989 A CN202011617989 A CN 202011617989A CN 112723309 B CN112723309 B CN 112723309B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B6/00—Hydrides of metals including fully or partially hydrided metals, alloys or intermetallic compounds ; Compounds containing at least one metal-hydrogen bond, e.g. (GeH3)2S, SiH GeH; Monoborane or diborane; Addition complexes thereof
- C01B6/04—Hydrides of alkali metals, alkaline earth metals, beryllium or magnesium; Addition complexes thereof
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- Manufacture And Refinement Of Metals (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention relates to an industrial production device of magnesium hydride, which comprises a box body, a conveying assembly, a laser generator, a crushing roller, a grinding roller and a heat preservation and insulation layer, wherein the box body is provided with a plurality of grooves; wherein, a pretreatment chamber, a crushing chamber, a grinding chamber and a reaction chamber which are mutually communicated are arranged in the box body from top to bottom, and the side wall of the pretreatment chamber is connected with a vacuumizing pipeline and an inert gas inlet pipeline; a hydrogen inlet pipeline is connected to the side wall of the reaction chamber; the conveying assembly and the laser generator are arranged in the pretreatment chamber; the crushing roller is arranged in the crushing chamber; the grinding roller is arranged in the grinding chamber; the heat preservation and insulation layer is arranged on the side wall of the reaction chamber; the device for preparing the magnesium hydride is of an integrated structure, and is simple in structure, convenient to operate and high in automation degree.
Description
Technical Field
The invention relates to the technical field of magnesium hydride production, in particular to an industrial production device of magnesium hydride.
Background
Hydrogen is a clean, abundant, non-toxic and harmless renewable energy source that contains a higher chemical energy per unit mass (142 MJ) than other hydrocarbon fuels. The energy contained in the hydrogen per unit weight is very high and is 4 times that of gasoline; the energy content of the unit volume is very low and is 1/5 of that of the gasoline; and at the same time the combustion of hydrogen is faster than with conventional gasoline fuels. Its energy density is 3.2 times less than natural gas and 2700 times less than gasoline. Thus, hydrogen is not just an energy source, but a carrier of energy, meaning that it stores and supplies energy in a usable form. The most attractive property of hydrogen is its natural compatibility with fuel cells, which is more energy efficient, up to 60%, than gasoline (22%) and diesel (45%), which greatly improves the utilization efficiency of future energy sources. The application of hydrogen energy enables a safe and effective solid-state hydrogen storage mode to be developed rapidly. The magnesium-based hydrogen storage material has a great application prospect because of a series of advantages of wide sources, low cost, high hydrogen storage amount and the like, wherein the magnesium hydride is the most widely applied hydrogen storage material.
The preparation of magnesium hydride requires a plurality of steps, generally comprises a pulverizing process, a collecting process and a hydrogenation process, and different devices are generally adopted to finish different processes in the prior art, so that the preparation method is troublesome in operation, time-consuming and labor-consuming and has low working efficiency.
Therefore, there is a need to propose an integrated production device to overcome the above technical drawbacks.
Disclosure of Invention
The invention aims to provide an industrial production device of magnesium hydride, which can effectively solve the technical problems.
In order to achieve the purpose of the invention, the following technical scheme is adopted:
an apparatus for industrially producing magnesium hydride, comprising:
the box body comprises: the inside of the reaction chamber is provided with a pretreatment chamber, a crushing chamber, a grinding chamber and a reaction chamber which are mutually communicated from top to bottom, the side wall of the pretreatment chamber is connected with a vacuumizing pipeline and an inert gas inlet pipeline, and the side wall of the reaction chamber is connected with a hydrogen inlet pipeline;
and (3) a conveying assembly: the pretreatment chamber is fixedly arranged in the pretreatment chamber;
laser generator: the pretreatment chamber is fixedly arranged in the pretreatment chamber;
crushing roller: the crushing chamber is rotatably connected in the crushing chamber;
and (3) grinding rollers: the grinding chamber is rotatably connected with the grinding chamber;
thermal insulation layer: is fixedly arranged on the side wall of the reaction chamber.
Preferably, the conveying assembly includes:
a discharging roller;
and (3) a material conveying roller: is positioned above the feed inlet of the crushing chamber;
and, a material guiding roller: the feeding device is arranged between the discharging roller and the conveying roller, two feeding rollers are arranged, and the two guiding rollers are parallel to each other.
Preferably, a laser processing chamber is arranged between the two guide rollers, the top and bottom inner side walls of the laser processing chamber are symmetrically provided with the laser generators, and two sides of the laser processing chamber are respectively provided with a feed inlet and a discharge outlet.
Preferably, a stirring paddle is rotatably connected in the reaction chamber.
Preferably, the stirring paddle comprises a rotating shaft and a paddle fixedly connected with the rotating shaft, and one side, far away from the rotating shaft, of the paddle is arc-shaped.
Preferably, the top of the box body is connected with a sealing cover plate through a flange.
Preferably, a sealing door is buckled on the front side of the box body so as to seal and buckle the crushing chamber, the grinding chamber and the reaction chamber.
Compared with the prior art, the invention has the following beneficial effects:
the device for preparing the magnesium hydride is of an integrated structure, and is simple in structure, convenient to operate and high in automation degree; the device based on the invention provides a new idea for preparing magnesium hydride for the masses, namely, magnesium sheets are used as raw materials, and are prepared into powder to react with hydrogen after laser etching, and the new preparation method based on the device not only reduces the reaction condition of magnesium powder and hydrogen, but also has low energy consumption in the reaction process and effectively reduces the production cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of an industrial apparatus for producing magnesium hydride according to the present invention;
FIG. 2 is a partial cross-sectional view of an apparatus for industrially producing magnesium hydride according to the present invention;
fig. 3 is a schematic structural view of a stirring paddle in an industrial production device of magnesium hydride.
Digital description in the drawings:
1. a case; 101. a pretreatment chamber; 102. a pulverizing chamber; 103. a grinding chamber; 104. a reaction chamber;
2. a laser generator; 3. a pulverizing roller; 4. a grinding roller; 5. a heat preservation and insulation layer;
6. a transport assembly; 601. a discharging roller; 602. a feed roller; 603. a guide roller;
7. a vacuum pumping pipeline; 8. an inert gas inlet pipe; 9. a laser processing chamber; 10. stirring paddles; 11. sealing the cover plate; 12. sealing the door; 13. a control panel; 14. a hydrogen inlet pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention. When an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
The industrial production device of magnesium hydride according to the invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the industrial production device of magnesium hydride provided by the invention comprises a box body 1, a conveying component 6, a laser generator 2, a crushing roller 3, a grinding roller 4 and a heat preservation and insulation layer 5; wherein, a pretreatment chamber 101, a crushing chamber 102, a grinding chamber 103 and a reaction chamber 104 which are mutually communicated are arranged in the box body 1 from top to bottom, and the side wall of the pretreatment chamber 101 is connected with a vacuumizing pipeline 7 and an inert gas inlet pipeline 8; a hydrogen inlet pipeline 14 is connected to the side wall of the reaction chamber 104; the conveying assembly 6 and the laser generator 2 are arranged in the pretreatment chamber 101; the pulverizing roller 3 is installed in the pulverizing chamber 102; the grinding roller 4 is installed in the grinding chamber 103; the heat preservation and insulation layer 5 is installed on the side wall of the reaction chamber 104, and a resistance heating wire is installed in the heat preservation and insulation layer and is used for providing the temperature required by the reaction of magnesium powder and hydrogen.
Specifically, the conveying assembly 6 includes a discharging roller 601, a conveying roller 602, and a guiding roller 603, wherein the discharging roller 601 is installed at one side of the interior of the pretreatment chamber 101. The feed roller 602 is installed at the other side of the inside of the pretreatment chamber 101 and above the feed port of the pulverizing chamber 102. The guide rollers 603 are located between the discharging roller 601 and the feeding roller 602, two guide rollers 603 are arranged in parallel.
Meanwhile, a laser processing chamber 9 is fixedly arranged in the pretreatment chamber 101 and between the pretreatment chamber and the two guide rollers 603, a feed inlet and a discharge outlet are correspondingly formed in the front side wall and the rear side wall of the laser processing chamber 9 respectively, and the laser generator 2 is correspondingly arranged on the inner side surface of the top and the inner side surface of the bottom of the laser processing chamber 9.
When the device works, the discharging roller 601, the conveying roller 602 and the guide roller 603 work to convey the rolled metal magnesium sheet placed on the discharging roller 601 into the crushing chamber 102, in the process, the metal magnesium sheet firstly passes through the laser processing chamber 9 and is subjected to etching treatment by the laser generator 2, then is conveyed to the crushing roller 3 of the crushing chamber 102 to be crushed, the crushed metal magnesium fragments fall into the grinding chamber 103 under the action of self gravity, the ground magnesium powder falls into magnesium powder under the action of the grinding roller 4, and the magnesium powder falls into the reaction chamber 104 to react with hydrogen under the action of self gravity, so that magnesium hydride is finally obtained.
Compared with the prior art, the device for preparing the magnesium hydride is of an integrated structure, and is simple in structure, convenient to operate and high in automation degree; the device based on the invention provides a new idea for preparing magnesium hydride for the masses, namely, magnesium sheets are used as raw materials, and are prepared into powder to react with hydrogen after laser etching, and the new preparation method based on the device not only reduces the reaction condition of magnesium powder and hydrogen, but also has low energy consumption in the reaction process and effectively reduces the production cost.
In addition, in this embodiment, a stirring paddle 10 is further provided, and is rotatably connected to the bottom of the reaction chamber 104, and is driven to work by a driving motor installed on the outer side of the reaction chamber 104, and a sealing ring is installed at the connection part between the driving motor and the side wall of the reaction chamber 104, so as to realize sealing connection.
Specifically, the stirring paddle 10 includes a rotation shaft and a paddle fixed to the rotation shaft by welding, and one side of the paddle away from the rotation shaft is provided with an arc shape. Through setting up stirring rake 10 to set up the one side of paddle into the arc, during the use, the arc side of stirring rake 10 can be with the deposit in the granule of reaction chamber 104 bottom lifts up, thereby makes the more abundant reaction of hydrogen and magnesium powder, improves the conversion rate of magnesium powder.
Specifically, in this embodiment, the top of the box 1 is connected to a sealing cover plate 11 through a flange; the front side of the box body 1 is buckled with a sealing door 12 so as to carry out sealing buckling on the crushing chamber 102, the grinding chamber 103 and the reaction chamber 104; the arrangement of the sealing cover plate 11 and the sealing door 12 facilitates the maintenance of the internal parts of the device.
The driving members of the discharging roller 601, the feeding roller 602, the guiding roller 603, the pulverizing roller 3 and the grinding roller 4 are all in sealing connection with the box body 1; in addition, the device is also provided with a control panel 13, and the laser generator 2, the heat preservation and insulation layer 5, the driving motor and the driving piece are electrically connected with the control panel 13 to control the work of the driving piece.
The working flow of the device is as follows:
when the magnesium hydride compound pre-treatment device is used, firstly, a vacuum pumping assembly is used for vacuumizing a pretreatment chamber 101, a crushing chamber 102, a grinding chamber 103 and a reaction chamber 104, then inert gas is introduced, then a conveying assembly 6, a crushing roller 3, a grinding roller 4, a laser generator 2 and a stirring paddle 10 are started to work simultaneously, the conveying assembly 6 conveys a rolled metal magnesium sheet placed on a discharging roller 601 into the crushing chamber 102, in the process, the metal magnesium sheet firstly passes through a laser treatment chamber 9, the laser generator 2 acts on the metal magnesium sheet to carry out etching treatment, then the metal magnesium sheet is conveyed to the crushing roller 3 of the crushing chamber 102 to be crushed, the crushed metal magnesium fragments fall into the grinding chamber 103 under the action of self gravity, the crushed metal magnesium fragments fall into magnesium powder under the action of the grinding roller 4, and the magnesium powder falls into the reaction chamber 104 under the action of self gravity to react with hydrogen introduced into the reaction chamber 104, and finally magnesium hydride is obtained.
In the whole process, the pressures in the pretreatment chamber 101, the crushing chamber 102, the grinding chamber 103 and the reaction chamber 104 are controlled to be 0.1MPa, and the temperature in the reaction chamber 104 is controlled to be about 230 ℃.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the invention belongs to the prior art known to the person skilled in the art.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
Claims (1)
1. An industrial production device of magnesium hydride, which is characterized in that: comprising the following steps:
the box body comprises: the inside of the reaction chamber is provided with a pretreatment chamber, a crushing chamber, a grinding chamber and a reaction chamber which are mutually communicated from top to bottom, the side wall of the pretreatment chamber is connected with a vacuumizing pipeline and an inert gas inlet pipeline, and the side wall of the reaction chamber is connected with a hydrogen inlet pipeline;
and (3) a conveying assembly: the pretreatment chamber is fixedly arranged in the pretreatment chamber;
laser generator: the pretreatment chamber is fixedly arranged in the pretreatment chamber;
crushing roller: the crushing chamber is rotatably connected in the crushing chamber;
and (3) grinding rollers: the grinding chamber is rotatably connected with the grinding chamber;
thermal insulation layer: the reaction chamber is fixedly arranged on the side wall of the reaction chamber;
the delivery assembly includes:
a discharging roller;
and (3) a material conveying roller: is positioned above the feed inlet of the crushing chamber;
and, a material guiding roller: two guide rollers are arranged between the discharging roller and the conveying roller and are parallel to each other;
a laser processing chamber is arranged between the two guide rollers, the laser generators are symmetrically arranged on the inner side walls of the top and the bottom of the laser processing chamber, and a feed inlet and a discharge outlet are respectively arranged on two sides of the laser processing chamber;
a stirring paddle is rotatably connected in the reaction chamber;
the stirring paddle comprises a rotating shaft and paddles fixedly connected with the rotating shaft, and one side of each paddle far away from the rotating shaft is arc-shaped;
the top of the box body is connected with a sealing cover plate through a flange;
the front side of the box body is buckled with a sealing door so as to carry out sealing buckling on the crushing chamber, the grinding chamber and the reaction chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617989.2A CN112723309B (en) | 2020-12-30 | 2020-12-30 | Industrial production device of magnesium hydride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011617989.2A CN112723309B (en) | 2020-12-30 | 2020-12-30 | Industrial production device of magnesium hydride |
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| Publication Number | Publication Date |
|---|---|
| CN112723309A CN112723309A (en) | 2021-04-30 |
| CN112723309B true CN112723309B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011617989.2A Active CN112723309B (en) | 2020-12-30 | 2020-12-30 | Industrial production device of magnesium hydride |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583244A (en) * | 2012-02-17 | 2012-07-18 | 上海交通大学 | Method and device for preparing magnesium hydride |
| CN108278479A (en) * | 2018-02-13 | 2018-07-13 | 上海柯来浦能源科技有限公司 | A kind of magnesium hydride storage tank |
| CN207659078U (en) * | 2017-09-15 | 2018-07-27 | 上海镁源动力科技有限公司 | Magnesium hydride preparation equipment |
| CN109795987A (en) * | 2017-11-16 | 2019-05-24 | 上海镁源动力科技有限公司 | The method of the integrated apparatus and preparation hydrogenation magnesium dust of preparation hydrogenation magnesium dust |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3041952A1 (en) * | 2015-10-06 | 2017-04-07 | Univ Bordeaux | MAGNESIUM-BASED MATERIAL FOR THE PRODUCTION OF DIHYDROGEN OR ELECTRICITY |
| JP6471211B2 (en) * | 2017-06-02 | 2019-02-13 | 株式会社エスイー | Manufacturing method for magnesium hydride, etc., power generation method using magnesium hydride, and manufacturing apparatus for magnesium hydride, etc. |
| CN113620246A (en) * | 2021-09-23 | 2021-11-09 | 上海氢投捷能科技有限公司 | Method for preparing granular magnesium hydride |
-
2020
- 2020-12-30 CN CN202011617989.2A patent/CN112723309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583244A (en) * | 2012-02-17 | 2012-07-18 | 上海交通大学 | Method and device for preparing magnesium hydride |
| CN207659078U (en) * | 2017-09-15 | 2018-07-27 | 上海镁源动力科技有限公司 | Magnesium hydride preparation equipment |
| CN109795987A (en) * | 2017-11-16 | 2019-05-24 | 上海镁源动力科技有限公司 | The method of the integrated apparatus and preparation hydrogenation magnesium dust of preparation hydrogenation magnesium dust |
| CN108278479A (en) * | 2018-02-13 | 2018-07-13 | 上海柯来浦能源科技有限公司 | A kind of magnesium hydride storage tank |
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| CN112723309A (en) | 2021-04-30 |
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