CN111334672B - Energy-saving magnesium purification device and purification process thereof - Google Patents
Energy-saving magnesium purification device and purification process thereof Download PDFInfo
- Publication number
- CN111334672B CN111334672B CN202010157822.6A CN202010157822A CN111334672B CN 111334672 B CN111334672 B CN 111334672B CN 202010157822 A CN202010157822 A CN 202010157822A CN 111334672 B CN111334672 B CN 111334672B
- Authority
- CN
- China
- Prior art keywords
- furnace
- magnesium
- heating
- tank
- furnace tank
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/20—Obtaining alkaline earth metals or magnesium
- C22B26/22—Obtaining magnesium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/02—Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model provides an energy-saving magnesium purification device, including control mechanism, feeding subassembly, heating element, filtering element, cooling crystallization subassembly, receiving element, evacuation subassembly and pressure sensor, feeding subassembly sets up in heating element's top, filtering element, cooling crystallization subassembly and receiving element's inside link up each other, and in proper order, the steam outlet department at heating element, be used for filtering respectively the magnesium metal steam that heating element steam outlet department was flowed out, cooling and collect, heating element comprises support and furnace body, the furnace body includes the stove jar, set up at the inside main heating unit of stove jar, set up at the outside auxiliary heating unit of stove jar, enclose the stove body shell of locating stove jar periphery and fill the insulation material between stove body shell and stove jar. The invention realizes the energy-saving, orderly, stable and safe continuous production operation of high-purity magnesium at relatively low temperature through the improvement of the structure and the mode of the heating component and the improvement of the purification process flow.
Description
Technical Field
The invention relates to the technical field of industrial magnesium purification devices, in particular to an energy-saving magnesium purification device with high heat utilization rate and good practical effect and a purification process thereof.
Background
Magnesium is a metal element with relatively active chemical properties, and can react with air at normal temperature to form a magnesium oxide layer on the outer surface. Magnesium is one of the lightest structural metal materials, and has the advantages of high specific strength and specific rigidity, good damping property, good machinability and thermal fatigue property, difficult aging, good heat conductivity, strong electromagnetic shielding capability, excellent die casting process performance, easy recovery and the like. The method has wide application in the aspects of electronic communication integrated device industry, sound and image equipment industry, motor industry, nuclear power device industry, automobile industry, medical industry and the like. With the development of the high-precision industry, the demand of the modern industry for high-purity metal magnesium with higher precision is also increasing.
In the prior art, in the process of producing high-purity magnesium, an evaporator is usually placed in a heating furnace, and raw magnesium in the evaporator is melted and sublimated by high-temperature heating at the periphery of the evaporator and enters a crystallizer. Such conventional magnesium purification apparatus mainly suffers from the following significant drawbacks: the high-temperature heating device is positioned at the outer side of the evaporator, and in order to realize the evaporation of magnesium with the boiling point of 1107 ℃ in the evaporator, the high-temperature heating device positioned at the outer part can realize the corresponding magnesium evaporation function only by heating to at least about 1200 ℃, so that the problems of low heat transfer efficiency, large heat loss and higher energy consumption exist; secondly, devices such as an evaporation tank, a condenser, a collector and the like adopted in the magnesium purification process in the prior art are generally made of stainless steel materials, the stainless steel materials are reduced in material performance at a high temperature of about 1200 ℃, partial denaturation is generated, and the deformed stainless steel is likely to cause secondary pollution after contacting magnesium steam, particularly after passing through a metal filter, so that the purity of the finished high-purity magnesium is reduced, and even the production requirement cannot be met; thirdly, the taking out, feeding and discharging of the evaporator in the furnace are carried out by stopping at fixed time and fixed point, the production efficiency is low, the safety is poor, and continuous operation cannot be realized. Meanwhile, the existing production of 99.99% high-purity magnesium has the problems of complex production procedures and high production cost.
Therefore, how to effectively improve the magnesium purification process and the device in the prior art, so that the continuous production operation of high-purity magnesium can be realized in an energy-saving, stable, orderly and safe way is necessary.
Disclosure of Invention
The technical purpose of the invention is as follows: through the improvement of the heating component structure and the heating mode and the improvement of the purification process flow, the energy-saving, orderly, stable and safe continuous production operation of the high-purity magnesium is realized at a relatively low temperature.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an energy-saving magnesium purification device, includes control mechanism, feeding subassembly, heating subassembly, filtering subassembly, cooling crystallization subassembly, receiving subassembly, evacuation subassembly and pressure sensor, and feeding subassembly sets up in the top of heating subassembly for carry out the feeding to heating subassembly's inside, filtering subassembly, cooling crystallization subassembly and receiving subassembly's inside link up each other to set up in proper order, in the steam outlet department of heating subassembly, be used for respectively filtering, cooling and collecting the metal magnesium steam that the heating subassembly steam outlet department flows out, heating subassembly constitute by support and the furnace body of setting above the support, the furnace body include the inside stove jar that is hollow structure, set up at the inside main heating unit of stove jar, set up at the outside auxiliary heating unit of stove jar, enclose the furnace body shell of locating stove jar outer circumference and fill the insulating material between stove body shell and stove jar;
The main heating unit comprises a plurality of furnace heating pipes vertically arranged in the furnace tank, the lower ends of the furnace heating pipes extend out of the furnace tank to the inner bottom surface of the furnace body shell and are of an opening structure, a heating element in an inverted U shape is arranged in each furnace heating pipe, a supporting cover is arranged below each furnace heating pipe, and a clamping device for fixing the heating element is arranged on the supporting cover; the auxiliary heating unit comprises resistance wires uniformly wound on the outer surface of the side wall of the furnace tank, and the heating element and the resistance wires are electrically connected with the control mechanism;
A central charging port and a plurality of peripheral charging ports are arranged at the top end of the furnace tank, the charging components are arranged above the central charging port and the peripheral charging ports in a butt joint manner, and are used for charging the furnace tank in a vacuum manner, a metal magnesium steam outlet is also arranged at one side of the central charging port, and is in butt joint with the filtering components;
The cooling crystallization assembly in be equipped with a cooling crystallizer, the evacuation subassembly is connected with heating element and cooling crystallization subassembly respectively for carry out the evacuation to the inside of stove jar and cooling crystallizer and handle, pressure sensor sets up in the inside of stove jar and cooling crystallizer, is used for monitoring the pressure in stove jar and the cooling crystallizer respectively, and pressure sensor and evacuation subassembly all are connected with the control mechanism electricity, make control mechanism can pass through the pressure difference around the evacuation subassembly regulation and control filter unit, realize the flow of magnesium metal steam to cooling crystallizer direction in the stove jar.
Preferably, the heating pipes in the furnace are vertically welded on the lower bottom surface of the furnace tank, and the plurality of heating pipes in the furnace are uniformly arranged in the furnace tank.
Preferably, the furnace tank, the furnace body shell, the furnace heating pipe and the supporting cover are all made of stainless steel.
Preferably, a plurality of support columns for supporting the furnace tank are uniformly arranged on the inner bottom surface of the furnace body shell.
Preferably, the interior of the heating pipe in the furnace is also filled with a heat-insulating material at a position between the furnace tank and the furnace body shell.
Preferably, the furnace body shell consists of a shell body and a mounting cover, and the shell body and the mounting cover are detachably connected.
Preferably, the central charging hole and the plurality of peripheral charging holes are uniformly distributed at the top end of the furnace tank.
An energy-saving magnesium purification process comprises the following steps:
a. adding a magnesium metal raw material to be purified into the furnace tank through a feeding component, and sealing a central feeding hole and peripheral feeding holes at the top end of the furnace tank;
b. The vacuum pumping assembly is regulated and controlled by the control mechanism to perform vacuum pumping treatment on the furnace tank and the cooling crystallizer;
c. The heating element in the furnace tank and the resistance wire outside the furnace tank are regulated and controlled by the control mechanism to heat the materials in the furnace tank;
d. the control mechanism regulates and controls the vacuumizing assembly through pressure value feedback of the pressure sensor, so that the pressure in the furnace tank is higher than the pressure in the cooling crystallizer, and metal magnesium steam passes through the filtering assembly through the metal magnesium steam outlet;
e. Cooling and crystallizing the magnesium metal vapor passing through the filtering component in the cooling crystallizer, and enabling the crystallized matters to enter the receiving component;
f. Collecting the materials in the receiving component to obtain a finished product of purified magnesium metal;
g. And under the vacuum condition, the feeding component is used for carrying out intermittent feeding to the furnace tank at regular time, so that the cyclic production of the purified magnesium metal is realized.
The invention has the beneficial effects that:
1. The energy-saving magnesium purifying device has the advantages of simple structure, reasonable design and convenient use. Wherein, mainly adopt the heating pipe to insert the mode in the stove jar in the heating assembly and heat that heating element sent directly transmits to the material through the heating pipe to almost all absorbed and utilized by the material, heat transfer efficiency is high, and heat loss is little, thereby has reduced the energy consumption, makes purification device wholly have apparent energy-conserving effect, is favorable to reduce cost. Meanwhile, the heating pipe is inserted into the furnace tank, so that the volume of the furnace tank, namely the evaporation tank, can be increased, the productivity is improved, and the production cost is further reduced.
2. Compared with the evaporation mode of heating outside the furnace adopted by the metal purification heating device in the prior art, the energy-saving magnesium purification device provided by the invention adopts the mode of cooperative matching of the main heating unit in the furnace and the auxiliary heating unit outside the furnace, so that the uniform heating of materials in the furnace and the tank is realized, and the production efficiency is improved. Moreover, the material heating is synchronously carried out inside and outside the furnace tank, the vacuumizing operation in the furnace tank is carried out by the collaborative vacuumizing assembly, and the evaporation sublimation of the metal magnesium material in the furnace tank can be realized at a lower temperature (about 1000 ℃), so that the deformation of stainless steel devices such as the evaporating tank, the condenser and the collector at a high temperature and the pollution to magnesium steam are avoided, the quality of the finished product purified metal magnesium is greatly improved, the service life of the purifying device is prolonged, and the maintenance rate is reduced.
3. The energy-saving magnesium purification process adopts the modes of main heating and continuous vacuum intermittent feeding in the furnace, avoids tedious operations caused by taking and placing an evaporator in the furnace, feeding and discharging the evaporator at fixed time and fixed point stopping in the prior art, realizes continuous production of the magnesium purification process, improves the production efficiency, greatly reduces the production cost, and simultaneously improves the safety and orderly stability of the whole process operation.
4. According to the energy-saving magnesium purification process, the vacuum pumping assembly is arranged, so that the pressure difference between containers (in the furnace tank and the vacuum crystallizer) at two sides of the filtering assembly can be effectively regulated, and the magnesium vapor evaporated in the furnace tank can be quickly and efficiently filtered and purified through the filtering assembly on the premise of no external other auxiliary power.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a heating assembly;
Reference numerals: 1. the device comprises a filtering component, 2, a receiving component, 3, a pressure sensor, 4, a bracket, 5, a furnace tank, 6, a furnace body shell, 601, a mounting cover, 7, a heat insulation material, 8, a furnace heating pipe, 9, a heating element, 10, a supporting cover, 11, a resistance wire, 12, a central charging hole, 13, a peripheral charging hole, 14, a feeding component, 15, a magnesium metal steam outlet, 16, a cooling crystallizer, 17 and a supporting column.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
As shown in the figure, the energy-saving magnesium purification device comprises a control mechanism, a feeding component 14, a heating component, a filtering component 1, a cooling crystallization component, a receiving component 2, a vacuumizing component and a pressure sensor 3, wherein the feeding component 14 is arranged above the heating component and is used for feeding materials into the heating component, the interiors of the filtering component 1, the cooling crystallization component and the receiving component 2 are communicated with each other and are sequentially arranged at a steam outlet of the heating component in sequence and are used for filtering, cooling and collecting metal magnesium steam flowing out of the steam outlet of the heating component respectively, the heating component consists of a bracket 4 and a furnace body arranged above the bracket 4, and the furnace body comprises a furnace tank 5 with a hollow structure inside, a main heating unit arranged inside the furnace tank 5, an auxiliary heating unit arranged outside the furnace tank 5, a furnace body shell 6 surrounding the outer circumference of the furnace tank 5 and a heat insulation material 7 filled between the furnace body shell 6 and the furnace tank 5;
The main heating unit comprises a plurality of furnace heating pipes 8 vertically arranged in the furnace tank 5, the furnace heating pipes 8 are vertically welded on the lower bottom surface of the furnace tank 5, the furnace heating pipes 8 are uniformly arranged in the furnace tank 5, the lower ends of the furnace heating pipes 8 extend out of the furnace tank 5 to the inner bottom surface of the furnace body shell 6 and are in an opening structure, a heating element 9 in an inverted U shape is arranged in each furnace heating pipe 8, the heating element 9 is a U-shaped silicon carbide rod, a supporting cover 10 is further arranged at the lower end of each furnace heating pipe 8, and a clamping device for fixing the heating element 9 is arranged on the supporting cover 10; the auxiliary heating unit comprises resistance wires 11 uniformly wound on the outer surface of the side wall of the furnace tank 5, the heating element 9 and the resistance wires 11 are electrically connected with the control mechanism, the furnace tank 5, the furnace body shell 6, the furnace heating pipe 8 and the supporting cover 10 are made of stainless steel, and a plurality of supporting columns 17 for supporting the furnace tank 5 are uniformly arranged on the inner bottom surface of the furnace body shell 6.
A central feed inlet 12 and a plurality of peripheral feed inlets 13 are arranged at the top end of the furnace tank 5, a feed assembly 14 is arranged above the central feed inlet 12 and the peripheral feed inlets 13 in a butt joint manner, and feeds the furnace tank 5 in a vacuum manner, a metal magnesium steam outlet 15 is also arranged at one side of the central feed inlet 12, and the metal magnesium steam outlet 15 is in butt joint with the filter assembly 1;
The cooling crystallization assembly in be equipped with a cooling crystallizer 16, the evacuation subassembly is connected with heating element and cooling crystallization subassembly respectively for carry out the evacuation to the inside of stove jar 5 and cooling crystallizer 16 and handle, pressure sensor 3 sets up the inside at stove jar 5 and cooling crystallizer 16, is used for monitoring the pressure in the stove jar 5 and the cooling crystallizer 16 respectively, and pressure sensor 3 and evacuation subassembly all are connected with the control mechanism electricity, make control mechanism can pass through the pressure difference around the evacuation subassembly regulation and control filter unit 1, realize the flow of magnesium metal steam to cooling crystallizer 16 direction in the stove jar 5.
Preferably, the interior of the furnace heating pipe 8 is also filled with a thermal insulation material 7 at a position between the furnace tank 5 and the support cover 10.
Preferably, the furnace shell 6 is composed of a shell and a mounting cover 601, the shell is detachably connected with the mounting cover 601, and the mounting cover 601 is used for being conveniently mounted in and out of the furnace tank.
Preferably, the central charging port 12 and the plurality of peripheral charging ports 13 are uniformly distributed at the top end of the furnace tank 5.
The energy-saving magnesium purification device is characterized in that a pressure sensor is arranged at the upper part of a furnace tank, a pressure sensor is also arranged at one side of a crystallizer, and a control mechanism is used for realizing rapid filtration and magnesium vapor purification by adjusting the pressure difference between containers (the furnace tank and a cooling crystallizer) at two sides of a filtration component.
The heating component is characterized by double-system heating, namely, a furnace heating system formed by inserting a U-shaped heating element into a furnace tube is taken as a main part, and electric furnace wires arranged on the inner surface of a heat insulation material around a furnace tank are taken as auxiliary parts to perform cooperative heating. The heating furnace tube is inserted into the furnace tank to heat materials, and heat emitted by the heating body is directly transferred to the materials through the furnace tube, so that the heat efficiency is improved, and energy conservation is realized.
When the heating pipe in the furnace is damaged, the energy-saving magnesium purification device can be correspondingly overhauled by adopting the following method. Firstly, the clamping device on the supporting cover is taken down, then the mounting flange (namely the supporting cover) at the bottom of the heating pipe in the furnace is opened, and at the moment, damaged heating elements can be taken out from the heating pipe in the furnace for corresponding replacement and overhaul. After the overhaul is completed, the mounting flange at the bottom of the heating pipe in the furnace is sequentially fixed, and the bottom end of the heating element (U-shaped silicon carbide rod) is fixed on the mounting flange through the clamping device.
When the structure in the furnace body, such as the auxiliary heating unit needs to be overhauled, the installation cover at the top of the furnace body shell is opened, and corresponding overhauling can be performed.
The invention realizes continuous feeding based on the intermittent feeding component under the vacuum system arranged at the upper part of the heating component. The upper part of the furnace tank is provided with a central charging hole and peripheral charging holes which are uniformly arranged, and each charging hole is provided with an intermittent feeding device in a vacuum state. The intermittent feeding device is provided with a sealing pull rod device under the vacuum state, the pull rod and the sealing cover are sealed through the pull rod sealing device, the lower part of the pull rod is fixedly connected with a fire stopping plug, the fire stopping plug is used for stopping the temperature in the furnace tank, and the vacuum gate valve of the feeding port is protected to be in a relatively low temperature environment. The intermittent feeding device is provided with two cylinders and two sealing ports, wherein one cylinder is used for reserving a space for lifting the pull rod, and the other cylinder is provided with a vacuum gate valve, a vacuumizing interface and a vacuum measuring instrument interface. When the vacuum state is in the furnace tank, the vacuum gate valve is in a closed state, the vacuum sealing cover of the feed inlet is opened, raw magnesium can be filled in the cylinder of the feed inlet, the vacuum sealing cover of the feed inlet is closed, the vacuum is pumped to enable the vacuum degree in the feed cylinder to be the same as the vacuum degree in the furnace tank, the vacuum gate valve is opened, and magnesium particles filled in the vacuum feed cylinder automatically enter the furnace under the action of gravity. The vacuum baffle valve can also be a vacuum ball valve.
An energy-saving magnesium purification process comprises the following steps:
a. Adding metal magnesium raw materials (such as magnesium powder or magnesium particles or magnesium blocks or magnesium strips) to be purified into the furnace tank 5 through a feeding assembly 14, and closing a central feeding hole 12 and peripheral feeding holes 13 at the top end of the furnace tank 5;
b. the vacuum pumping assembly is regulated and controlled by the control mechanism to perform vacuum pumping treatment on the furnace tank 5 and the cooling crystallizer 16;
c. The heating element 9 in the furnace tank 5 and the resistance wire 11 outside the furnace tank 5 are regulated and controlled by the control mechanism to heat the materials in the furnace tank 5;
d. the control mechanism regulates and controls the vacuumizing assembly through pressure value feedback of the pressure sensor 3, so that the pressure in the furnace tank 5 is higher than the pressure in the cooling crystallizer 16, and metal magnesium steam passes through the filtering assembly 1 through the metal magnesium steam outlet 15;
e. Cooling and crystallizing the magnesium metal vapor passing through the filter assembly 1 in the cooling crystallizer 16, and allowing the crystallized material to enter the receiving assembly 2;
f. Collecting the materials in the receiving component 2 to obtain a finished product of purified magnesium metal;
g. The periodic intermittent feeding is carried out into the furnace tank 5 through the feeding component 14 under the vacuum condition, so that the circular production of the purified metal magnesium is realized.
The whole process has simple steps, convenient operation and strong practicability, and is suitable for popularization and use.
Claims (6)
1. The utility model provides an energy-saving magnesium purification device, includes control mechanism, feeding subassembly (14), heating element, filter element (1), cooling crystallization subassembly, receiving element (2), evacuation subassembly and pressure sensor (3), and feeding subassembly (14) set up in heating element's top for carry out the feeding to heating element's inside, filter element (1), cooling crystallization subassembly and receiving element (2)'s inside link up each other to in proper order, the order sets up in heating element's steam outlet department, be used for filtering, cooling and collecting the metal magnesium steam that heating element steam outlet department flows respectively, heating element constitute its characterized in that by support (4) and the furnace body of setting in support (4) top: the furnace body comprises a furnace tank (5) with a hollow structure, a main heating unit arranged inside the furnace tank (5), an auxiliary heating unit arranged outside the furnace tank (5), a furnace body shell (6) arranged on the outer circumference of the furnace tank (5) in a surrounding manner, and a heat insulation material (7) filled between the furnace body shell (6) and the furnace tank (5);
The main heating unit comprises a plurality of furnace heating pipes (8) vertically arranged in the furnace tank (5), the furnace heating pipes (8) are vertically welded on the lower bottom surface of the furnace tank (5), the furnace heating pipes (8) are uniformly arranged in the furnace tank (5), the lower ends of the furnace heating pipes (8) extend out of the furnace tank (5) to the inner bottom surface of the furnace body shell (6) and are in an opening structure, a heating element (9) in an inverted U shape is arranged in each furnace heating pipe (8), and a supporting cover (10) is further arranged below each furnace heating pipe (8), and a clamping device for fixing the heating element (9) is arranged on the supporting cover (10); the auxiliary heating unit comprises resistance wires (11) uniformly wound on the outer surface of the side wall of the furnace tank (5), and the heating element (9) and the resistance wires (11) are electrically connected with the control mechanism;
A central feeding hole (12) and a plurality of peripheral feeding holes (13) are formed in the top end of the furnace tank (5), the central feeding hole (12) and the plurality of peripheral feeding holes (13) are uniformly distributed in the top end of the furnace tank (5), a feeding assembly (14) is arranged above the central feeding hole (12) and the peripheral feeding holes (13) in a butt joint mode, feeding is carried out in the furnace tank (5) in a vacuum mode, a metal magnesium steam outlet (15) is further arranged on one side of the central feeding hole (12), and the metal magnesium steam outlet (15) is in butt joint with the filtering assembly (1);
The cooling crystallization assembly in be equipped with a cooling crystallizer (16), the evacuation subassembly is connected with heating element and cooling crystallization subassembly respectively for carry out the evacuation to the inside of stove jar (5) and cooling crystallizer (16) and handle, pressure sensor (3) set up in the inside of stove jar (5) and cooling crystallizer (16), be used for monitoring the pressure in stove jar (5) and cooling crystallizer (16) respectively, and pressure sensor (3) and evacuating subassembly all are connected with control mechanism electricity, make control mechanism can regulate and control the pressure difference around filter module (1) through evacuating subassembly, realize the flow of magnesium metal steam from in stove jar (5) to cooling crystallizer (16) direction.
2. An energy-efficient magnesium purification apparatus according to claim 1, wherein: the furnace tank (5), the furnace body shell (6), the furnace heating pipe (8) and the supporting cover (10) are all made of stainless steel materials.
3. An energy-efficient magnesium purification apparatus according to claim 1, wherein: a plurality of support columns (17) for supporting the furnace tank (5) are uniformly arranged on the inner bottom surface of the furnace body shell (6).
4. An energy-efficient magnesium purification apparatus according to claim 1, wherein: the inside of the heating pipe (8) in the furnace is also filled with a heat-insulating material (7) at a position between the furnace tank (5) and the furnace body shell (6).
5. An energy-efficient magnesium purification apparatus according to claim 1, wherein: the furnace body shell (6) consists of a shell and a mounting cover (601), and the shell is detachably connected with the mounting cover (601).
6. A magnesium purification process using an energy-saving magnesium purification apparatus according to claim 1, comprising the steps of:
a. adding a metal magnesium raw material to be purified into the furnace tank (5) through a feeding component (14), and sealing a central feeding hole (12) and peripheral feeding holes (13) at the top end of the furnace tank (5);
b. the vacuum pumping assembly is regulated and controlled by the control mechanism to perform vacuum pumping treatment on the interior of the furnace tank (5) and the cooling crystallizer (16);
c. The heating element (9) in the furnace tank (5) and the resistance wire (11) outside the furnace tank (5) are regulated and controlled by the control mechanism to heat the materials in the furnace tank (5);
d. The control mechanism regulates and controls the vacuumizing assembly through pressure value feedback of the pressure sensor (3), so that the pressure in the furnace tank (5) is higher than the pressure in the cooling crystallizer (16), and metal magnesium steam passes through the filtering assembly (1) through the metal magnesium steam outlet (15);
e. cooling and crystallizing are realized in a cooling crystallizer (16) through metal magnesium steam of the filtering component (1), and the crystals enter the receiving component (2);
f. Collecting the materials in the receiving component (2) to obtain a finished product of purified magnesium metal;
g. the periodic intermittent feeding is carried out in the furnace tank (5) through the feeding component (14) under the vacuum condition, so that the cyclic production of the purified magnesium metal is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157822.6A CN111334672B (en) | 2020-03-09 | 2020-03-09 | Energy-saving magnesium purification device and purification process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157822.6A CN111334672B (en) | 2020-03-09 | 2020-03-09 | Energy-saving magnesium purification device and purification process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111334672A CN111334672A (en) | 2020-06-26 |
| CN111334672B true CN111334672B (en) | 2024-08-06 |
Family
ID=71179876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010157822.6A Active CN111334672B (en) | 2020-03-09 | 2020-03-09 | Energy-saving magnesium purification device and purification process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111334672B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912223B (en) * | 2020-07-23 | 2024-08-09 | 西格马(河南)高温科技集团有限公司 | Atmosphere protection type high-purity magnesium alloy smelting furnace and smelting process thereof |
| CN111895781B (en) * | 2020-07-23 | 2025-01-14 | 西格马(河南)高温科技集团有限公司 | A vacuum atmosphere melting furnace for high-purity magnesium and its melting process |
| CN111850329B (en) * | 2020-07-23 | 2023-09-29 | 西格马(河南)高温科技集团有限公司 | Production line equipment and process for preparing high-purity magnesium alloy by continuous vacuum melting |
| CN114790516B (en) * | 2021-01-25 | 2025-07-01 | 国科镁业科技(河南)有限公司 | Crystallizer |
| CN113832358A (en) * | 2021-11-04 | 2021-12-24 | 江西水木机电设备有限公司 | Zinc-aluminum vacuum distillation separator |
| CN115893320A (en) * | 2022-11-01 | 2023-04-04 | 福建德尔科技股份有限公司 | Safety control method for fluorine gas purification device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457173Y (en) * | 2000-10-30 | 2001-10-31 | 祁孙成 | Vacuum smelting furnace for high-purity metal magnesium |
| CN203550520U (en) * | 2013-10-09 | 2014-04-16 | 北京神雾环境能源科技集团股份有限公司 | Muffle furnace |
| CN211999864U (en) * | 2020-03-09 | 2020-11-24 | 西格马(河南)高温科技集团有限公司 | Energy-saving magnesium purification device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804755Y (en) * | 2005-06-16 | 2006-08-09 | 东北大学 | Double-chamber electric heating furnace |
| CN202849516U (en) * | 2012-07-12 | 2013-04-03 | 东莞宜安科技股份有限公司 | A high-vacuum low-temperature purification high-purity magnesium purification device |
| CN202705435U (en) * | 2012-08-14 | 2013-01-30 | 中国科学院金属研究所 | Device for producing ultrahigh-purity metallic magnesium by using commercially pure magnesium |
| CN205258579U (en) * | 2015-12-03 | 2016-05-25 | 天津诚强机械制造有限公司 | Sink roll preheats heat preservation device |
| CN206298630U (en) * | 2016-12-16 | 2017-07-04 | 宁夏太阳镁业有限公司 | A kind of sublimation purification device for magnesium metal |
| CN108503196A (en) * | 2017-02-28 | 2018-09-07 | 湖北派瑞斯光学玻璃科技有限公司 | A kind of glass lens annealing device |
| CN109425223A (en) * | 2017-08-22 | 2019-03-05 | 中国石化工程建设有限公司 | Heating furnace |
| CN207793383U (en) * | 2018-02-11 | 2018-08-31 | 新疆腾翔镁制品有限公司 | A kind of energy-saving metallic magnesium refining process equipment |
-
2020
- 2020-03-09 CN CN202010157822.6A patent/CN111334672B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2457173Y (en) * | 2000-10-30 | 2001-10-31 | 祁孙成 | Vacuum smelting furnace for high-purity metal magnesium |
| CN203550520U (en) * | 2013-10-09 | 2014-04-16 | 北京神雾环境能源科技集团股份有限公司 | Muffle furnace |
| CN211999864U (en) * | 2020-03-09 | 2020-11-24 | 西格马(河南)高温科技集团有限公司 | Energy-saving magnesium purification device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111334672A (en) | 2020-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111334672B (en) | Energy-saving magnesium purification device and purification process thereof | |
| CN102173424A (en) | Method and equipment for removing phosphorus and metal impurities in silicon powder by vacuum induction melting | |
| CN211999864U (en) | Energy-saving magnesium purification device | |
| CN218378965U (en) | Integrative hydrogenation station system of electrolytic water hydrogen manufacturing hydrogenation | |
| CN111850329A (en) | Production line equipment and process for preparing high-purity magnesium alloy through continuous vacuum melting | |
| CN201455265U (en) | Combined zinc powder production condensing device | |
| CN111254291A (en) | Large copper ingot purification method and device | |
| CN113774231B (en) | Device for producing high-purity aluminum by using segregation method | |
| CN115076596A (en) | Water electrolysis hydrogen production and hydrogenation integrated hydrogenation station system and process | |
| CN111249761B (en) | Molten salt distillation purification method and equipment | |
| CN111895781B (en) | A vacuum atmosphere melting furnace for high-purity magnesium and its melting process | |
| CN201180088Y (en) | A new type of quick-opening and water-cooled polysilicon reduction furnace | |
| CN217829039U (en) | Can realize filterable aluminium water rose box of aluminium water doublestage | |
| CN203754434U (en) | Equipment for removing phosphorus impurities in polysilicon | |
| CN215328317U (en) | Purification device of metal indium | |
| CN212128271U (en) | A large-scale copper ingot purification device | |
| CN111139366B (en) | Method and equipment for preparing and purifying nuclear pure-grade cooling material in sodium-cooled fast reactor | |
| CN116426770B (en) | Metal lithium high-temperature steam collecting device and metal lithium reduction tank using same | |
| CN109205564A (en) | Method for purifying ozone by using ozone generation system | |
| CN210845305U (en) | High-efficient xylo-oligosaccharide evaporation concentration device | |
| CN113375432A (en) | Anhydrous rare earth halide purification dewatering equipment | |
| CN209188161U (en) | A kind of anhydrous rare earth halide purifying plant of high-quality | |
| CN202272744U (en) | Equipment for preparing polycrystalline silicon by using silane decomposition method | |
| CN115709972B (en) | Method for preparing magnesium hydride by adopting hydrogen air-break equipment | |
| CN108624913B (en) | Process for purifying industrial sodium into high-purity sodium by melting electrolysis |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |