阅读说明：本技术 一种氢化镁的工业化生产装置 (Industrial production device for magnesium hydride ) 是由 刘建勃 李晓慧 白靖 于 2020-12-30 设计创作，主要内容包括：本发明涉及一种氢化镁的工业化生产装置,包括箱体、输送组件、激光发生器、粉碎辊、粉磨辊以及保温隔热层；其中所述箱体的内部自上而下设置有相互连通的预处理室、粉碎室、粉磨室以及反应室,所述预处理室的侧壁上连接有抽真空管道和惰性气体进气管道；所述反应室的侧壁上连接有氢气进气管道；所述输送组件以及所述激光发生器均安装在所述预处理室；所述粉碎辊安装在所述粉碎室内；所述粉磨辊安装在所述粉磨室内；所述保温隔热层安装在所述反应室的侧壁上；本发明用于制备氢化镁的装置为集成式一体化结构,其结构简单,操作方便,自动化程度高。(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-insulating layer; the device comprises a box body, a vacuum pump, a grinding chamber, a reaction chamber, a vacuum pump, a vacuum; the side wall of the reaction chamber is connected with a hydrogen inlet pipeline; the conveying assembly and the laser generator are both 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 insulation layer is arranged on the side wall of the reaction chamber; the device for preparing the magnesium hydride is an integrated structure, and has the advantages of simple structure, convenient operation and high automation degree.)

1. An industrial production device of magnesium hydride is characterized in that: the method comprises the following steps:

a box body: a pretreatment chamber, a crushing chamber, a grinding chamber and a reaction chamber which are communicated with each other are arranged in the reaction chamber from top to bottom, a vacuumizing pipeline and an inert gas inlet pipeline are connected to the side wall of the pretreatment chamber, and a hydrogen gas inlet pipeline is connected to the side wall of the reaction chamber;

a conveying assembly: is fixedly arranged in the pretreatment chamber;

a laser generator: is fixedly arranged in the pretreatment chamber;

crushing roller: the crushing chamber is rotatably connected with the inner side of the crushing chamber;

grinding the roller: the grinding chamber is connected in a rotating way;

and, the heat preservation and insulation layer: is fixedly arranged on the side wall of the reaction chamber.

2. The apparatus for industrially producing magnesium hydride according to claim 1, wherein: the delivery assembly comprises:

a discharge roller;

a material conveying roller: the crushing chamber is positioned above the feeding hole of the crushing chamber;

and, a material guide roller: and two material guide rollers are arranged between the discharging roller and the material conveying roller and are parallel to each other.

3. The apparatus for industrially producing magnesium hydride according to claim 2, wherein: two be provided with laser processing chamber between the guide material roller, install laser generator is installed to laser processing chamber's top and bottom inside wall symmetry, just feed inlet and discharge gate have been seted up respectively to laser processing chamber's both sides.

4. The apparatus for industrially producing magnesium hydride according to claim 1 or 3, wherein: the reaction chamber is connected with a stirring paddle in a rotating way.

5. The apparatus for industrially producing magnesium hydride according to claim 4, wherein: the stirring rake include the rotation axis and with rotation axis fixed connection's paddle, the paddle is kept away from one side of rotation axis sets up to the arc.

6. The apparatus for industrially producing magnesium hydride according to claim 5, wherein: the top of the box body is connected with a sealing cover plate through a flange.

7. The apparatus for industrially producing magnesium hydride according to claim 6, wherein: and a sealing door is buckled at the front side of the box body so as to hermetically buckle the crushing chamber, the grinding chamber and the reaction chamber.

Technical Field

The invention relates to the technical field of magnesium hydride production, in particular to an industrial production device for magnesium hydride.

Background

Hydrogen is a clean, abundant, non-toxic and harmless renewable energy source, and contains higher chemical energy per unit mass of hydrogen than other hydrocarbon fuels (142 MJ). The energy contained in the unit weight of hydrogen is very high and is 4 times of that of gasoline; the energy content per unit volume is very low, which is 1/5 of gasoline; while burning hydrogen more rapidly than traditional gasoline fuels. Its energy density is 3.2 times less than that of natural gas and 2700 times less than that of gasoline. Thus, hydrogen is not merely an energy source, but rather a carrier of energy, meaning that it stores and provides 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%, compared to gasoline (22%) and diesel (45%), which greatly improves the efficiency of future energy utilization. The application of hydrogen energy enables the rapid development of safe and effective solid-state hydrogen storage. The magnesium-based hydrogen storage material has a series of advantages of wide source, low cost, high hydrogen storage capacity and the like, and is a hydrogen storage material with a great application prospect, wherein magnesium hydride is the most widely applied material.

The preparation of magnesium hydride needs a plurality of steps, generally includes the powder process, collection and hydrogenation process, and different equipment is usually adopted to accomplish different processes in the prior art, and the operation is troublesome, time-consuming and labor-consuming and the work efficiency is low.

Therefore, there is a need to provide an integrated production apparatus 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 industrial production device of magnesium hydride, comprising:

a box body: a pretreatment chamber, a crushing chamber, a grinding chamber and a reaction chamber which are communicated with each other are arranged in the reaction chamber from top to bottom, a vacuumizing pipeline and an inert gas inlet pipeline are connected to the side wall of the pretreatment chamber, and a hydrogen gas inlet pipeline is connected to the side wall of the reaction chamber;

a conveying assembly: is fixedly arranged in the pretreatment chamber;

a laser generator: is fixedly arranged in the pretreatment chamber;

crushing roller: the crushing chamber is rotatably connected with the inner side of the crushing chamber;

grinding the roller: the grinding chamber is connected in a rotating way;

and, the heat preservation and insulation layer: is fixedly arranged on the side wall of the reaction chamber.

Preferably, the conveying assembly comprises:

a discharge roller;

a material conveying roller: the crushing chamber is positioned above the feeding hole of the crushing chamber;

and, a material guide roller: and two material guide rollers are arranged between the discharging roller and the material conveying roller and are parallel to each other.

Preferably, two be provided with the laser processing room between the guide roller, install laser generator is installed to the top of laser processing room and bottom inside wall symmetry, just feed inlet and discharge gate have been seted up respectively to the both sides of laser processing room.

Preferably, the reaction chamber is rotatably connected with a stirring paddle.

Preferably, the stirring paddle includes the rotation axis and with rotation axis fixed connection's paddle, the paddle is kept away from one side of rotation axis sets up to the arc.

Preferably, the top of the box body is connected with a sealing cover plate through a flange.

Preferably, a sealing door is fastened to the front side of the box body to hermetically fasten 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 an integrated structure, and has the advantages of simple structure, convenient operation and high automation degree; meanwhile, the device based on the invention provides a new thought for preparing magnesium hydride for the public, namely, the magnesium sheet is adopted as the raw material, and is made into powder after being subjected to laser etching to react with hydrogen.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic structural diagram of an industrial production apparatus for magnesium hydride according to the present invention;

FIG. 2 is a partial sectional view of an apparatus for industrially producing magnesium hydride according to the present invention;

fig. 3 is a schematic structural diagram of a stirring paddle in an industrial production device for magnesium hydride according to the present invention.

Numerical description in the figures:

1. a box body; 101. a pretreatment chamber; 102. a crushing chamber; 103. a milling chamber; 104. a reaction chamber;

2. a laser generator; 3. a crushing roller; 4. grinding the roller; 5. a heat insulation layer;

6. a delivery assembly; 601. a discharge roller; 602. a delivery roller; 603. a material guide roller;

7. a vacuum pipeline is pumped; 8. an inert gas inlet conduit; 9. a laser processing chamber; 10. a stirring paddle; 11. sealing the cover plate; 12. a sealing door; 13. a control panel; 14. a hydrogen gas inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

The following will make clear and complete description of an industrial production device of magnesium hydride according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, the device for industrially producing magnesium hydride according to the present invention comprises a box 1, a conveying assembly 6, a laser generator 2, a pulverizing roller 3, a pulverizing roller 4, and a heat insulating layer 5; the inner part of the box body 1 is provided with a pretreatment chamber 101, a crushing chamber 102, a grinding chamber 103 and a reaction chamber 104 which are communicated with each other 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 delivery assembly 6 and the laser generator 2 are both mounted in the pre-chamber 101; the crushing roller 3 is installed in the crushing chamber 102; the powder grinding roller 4 is arranged in the powder grinding chamber 103; the heat insulation layer 5 is installed on the side wall of the reaction chamber 104, and a resistance heating wire is installed in the heat insulation layer and used for providing the temperature required by the reaction of the magnesium powder and the hydrogen.

Specifically, the conveying assembly 6 comprises an emptying roller 601, a delivery roller 602 and a guide roller 603, wherein the emptying roller 601 is installed at one side inside the pretreatment chamber 101. The delivery roller 602 is arranged at the other side inside the pretreatment chamber 101 and is positioned above the feed inlet of the crushing chamber 102. The guide rollers 603 are located between the discharging roller 601 and the conveying roller 602, and two guide rollers 603 are arranged in parallel.

And simultaneously, in the preliminary treatment room 101 and with two a laser treatment room 9 has set firmly between the guide roller 603, correspond respectively on the preceding lateral wall of laser treatment room 9 and the back lateral wall and seted up feed inlet and discharge gate, just all correspond on the top medial surface of laser treatment room 9 and the bottom medial surface and install laser generator 2.

When the device works, the discharging roller 601, the material conveying roller 602 and the material guide roller 603 work to convey packaged magnesium sheets placed on the discharging roller 601 into the crushing chamber 102, in the process, the magnesium sheets firstly pass through the laser processing chamber 9, the laser generator 2 acts to etch the magnesium sheets, then the magnesium sheets are conveyed to the crushing roller 3 of the crushing chamber 102 to be crushed, the crushed magnesium sheets fall into the powder grinding chamber 103 under the action of self gravity, the crushed magnesium sheets are ground into magnesium powder under the action of the powder grinding roller 4, the magnesium powder falls into the reaction chamber 104 under the action of self gravity to react with hydrogen, and finally magnesium hydride is obtained.

Compared with the prior art, the device for preparing the magnesium hydride is of an integrated structure, and has the advantages of simple structure, convenience in operation and high automation degree; meanwhile, the device based on the invention provides a new thought for preparing magnesium hydride for the public, namely, the magnesium sheet is adopted as the raw material, and is made into powder after being subjected to laser etching to react with hydrogen.

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 operate by a driving motor installed outside the reaction chamber 104, and a sealing ring is installed at a connection position of the driving motor and the side wall of the reaction chamber 104, so as to achieve a sealing connection.

Specifically, the stirring paddle 10 includes the rotation axis and with the rotation axis passes through welded fastening's paddle, just the paddle is kept away from one side of rotation axis sets up to the arc. Through setting up stirring rake 10 to set up one side of paddle into the arc, during the use, the arc side of stirring rake 10 can be in the deposit the granule of reaction chamber 104 bottom is kicked up, thereby makes hydrogen and more abundant reaction of magnesium powder, improves the conversion rate of magnesium powder.

Specifically, in this embodiment, the top of the box body 1 is connected with a sealing cover plate 11 through a flange; a sealing door 12 is fastened to the front side of the box body 1 to hermetically fasten the crushing chamber 102, the grinding chamber 103 and the reaction chamber 104; the sealing cover plate 11 and the sealing door 12 are arranged to facilitate maintenance of internal parts of the device.

It should be noted that driving members of the discharging roller 601, the feeding roller 602, the material guiding roller 603, the pulverizing roller 3 and the pulverizing roller 4 are all connected with the box body 1 in a sealing manner; in addition, this device still is provided with control panel 13, laser generator 2, heat preservation insulating layer 5, driving motor and driving piece all control its work with control panel 13 electric connection.

The working process of the device is as follows:

when the device is used, firstly, a vacuumizing 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 the 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 coiled metal magnesium sheet placed on the discharging roller 601 into the crushing chamber 102, in the process, the metal magnesium sheet firstly passes through a laser processing chamber 9, the laser generator 2 acts to etch the metal magnesium sheet, then the metal magnesium sheet is conveyed to the crushing roller 3 of the crushing chamber 102 to be crushed, the crushed metal magnesium sheet falls into the grinding chamber 103 under the action of self gravity, is ground into magnesium powder under the action of the grinding roller 4, and falls into the reaction chamber 104 under the action of self gravity to be introduced into hydrogen in the reaction chamber 104 for reaction, finally obtaining the magnesium hydride.

In the whole process, the pressure in the pretreatment chamber 101, the crushing chamber 102, the grinding chamber 103 and the reaction chamber 104 is controlled to be 0.1MPa, and the temperature in the reaction chamber 104 is controlled to be about 230 ℃.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons 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.