CN205740769U - A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide - Google Patents
A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide Download PDFInfo
- Publication number
- CN205740769U CN205740769U CN201620453244.XU CN201620453244U CN205740769U CN 205740769 U CN205740769 U CN 205740769U CN 201620453244 U CN201620453244 U CN 201620453244U CN 205740769 U CN205740769 U CN 205740769U
- Authority
- CN
- China
- Prior art keywords
- arc furnace
- electric arc
- magnesium oxide
- magnesite tailings
- prepare
- 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
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
This utility model relates to a kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide, including the chaser being sequentially connected with, ball press, shaft furnace, screening machine, mixer, high-strength ball press, automatic distributing machine and electric arc furnace, connected by belt conveyor between the equipment before described automatic distributing machine；Mixer is provided with automatic batching system for mixing magnesite tailings fine ore, light calcined magnesia and additive；Automatic distributing machine is located at above electric arc furnace, and its bottom discharge mouth is just to arc furnace top material inlet mouth；Electric arc furnace top is provided with many liftable electrodes, and electric arc furnace body is rotatable.This utility model is optimized combination by the device used in crystal preparation process big to magnesium oxide, realization utilizes magnesite tailings resource to prepare the big crystal of magnesium oxide, and further up to improving product yield and the quality percentage of the big crystal production of magnesium oxide, and the purpose of energy-conserving and environment-protective.
Description
Technical field
This utility model relates to a kind of magnesium oxide production system, particularly relates to one and utilizes magnesite tailings to prepare the big crystal of magnesium oxide
Production system.
Background technology
Electric-melting magnesium is the high pure oxide that high-quality giobertite is formed in electric melting magnesium furnace after high-temperature fusion, aoxidizes also known as electric smelting
Magnesium, is the primary raw material producing special refractory for steel and iron industry.The performance of electric-melting magnesium and the mass fraction of MgO and it
The grain size number of itself has the biggest relation, and MgO mass fraction is the highest, and electric-melting magnesium grain size number is the biggest, and its performance is more
Good.Magnesium oxide big crystal outward appearance is transparent crystal, belongs to high-grade electric-melting magnesium product, and supply falls short of demand at present, leads in electric-melting magnesium
Being high-tech product in territory, it has good heat-resisting quantity and light transmission, is that manufacture Aeronautics and Astronautics industrial circle is high temperature resistant
The primary raw material of optical material, economic worth is high.
The big crystal of magnesium oxide also referred to as crystallizes greatly fused magnesite, it is common that the special A level natural magnesite selected with high-quality or high-purity gently
Burning magnesium granules is raw material, melted prepared in electric arc furnace.Generally there are the following problems in the production of the production big crystal of magnesium oxide at present:
1) require that material purity is high；The special A level magnesite of the conventional ingredient requirement content of magnesia ＞ 47% producing big crystallization electric-melting magnesium,
Magnesite tailings grade is low is difficult to produce qualified product, and therefore, raw material sources are nervous, and cost is high；2) raw material grain is required
Degree size is uniform；Owing to raw material granularity is magnesium oxide big crystal production quality, the leading indicator of yield, natural material was crushing
The control difficulty of granule size in journey.3) require that cloth is uniform；It is uniform that artificial cloth is difficult to cloth, and thickness of feed layer is not
One, directly affect yield and quality.
China is that electric-melting magnesium produces and the major country of outlet, due to gopher for many years, the storage of high-quality magnesium ore resources
Amount rapidly glides, and high-quality ore extraction amount reduces year by year.In recent years, along with the continuous exhaustion of high-quality magnesite, magnesia produces
Quality constantly declines；And it is the most immature to use low-grade magnesite to produce the technology of high-end magnesium oxide product, the biggest crystallization
Fused magnesite is difficult to meet the market demand；It addition, at present electric-melting magnesium generally have in producing that energy consumption is high, pollute weigh, yield poorly,
The problem of grade difference.
Summary of the invention
This utility model provides a kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide, by big to magnesium oxide
The device used in crystal preparation process is optimized combination, it is achieved utilize magnesite tailings resource to prepare the big crystal of magnesium oxide, and
Further up to product yield and the quality percentage of the raising big crystal production of magnesium oxide, and the purpose of energy-conserving and environment-protective.
In order to achieve the above object, this utility model realizes by the following technical solutions:
A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide, including the chaser being sequentially connected with, ball press,
Shaft furnace, screening machine, mixer, high-strength ball press, automatic distributing machine and electric arc furnace, the equipment before described automatic distributing machine it
Between connected by belt conveyor；Mixer is provided with automatic batching system for mixing magnesite tailings fine ore, light calcined magnesia
And additive；Automatic distributing machine is located at above electric arc furnace, and its bottom discharge mouth is just to arc furnace top material inlet mouth；Electric arc furnace
Top is provided with many liftable electrodes, and electric arc furnace body is rotatable.
Described electric arc furnace is electric-melting magnesium electric arc furnace, and the height of electric arc furnace body is 3.8～5:1 with diameter ratio.
Described liftable electrode is controlled by Electrode control device.
Described electric arc furnace is provided with body of heater rotating mechanism and body of heater stop, and body of heater rotating mechanism is by arc furnace rotary autocontrol system control
System.
Compared with prior art, the beneficial effects of the utility model are:
1) fine ore after magnesite tailings flotation is used, by mixer automatic blending, the first step first light-burned one-tenth magnesia powder,
Improve purity, solve the raw material problem of the big crystal production of magnesium oxide；
2) ensure that the raw material granularity entering electric arc furnace is uniform by high-strength ball press, ensure that cloth is uniform by automatic distributing machine,
And thickness of feed layer problem；Electrode control and rotation control system can make homogeneous temperature distribution in body of heater, reduce dead material
Fly problem with burning, expand smelting area, improve the big yield crystallizing high electric-melting magnesium and quality；
3) electric arc furnace body size is optimized, and than conventional arc furnace height 30%, diameter reduces 30%, effectively reduces
The big crystallization of skin sand layer thickness, beneficially magnesium oxide is formed；
4) energy consumption when effectively magnesium oxide big crystal is prepared in reduction, it is achieved energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1. the high-strength ball press 7. of chaser 2. ball press 3. shaft furnace 4. screening machine 5. mixer 6. is automatic
Material distributing machine 8. liftable electrode 9. Electrode control device 10. electric arc furnace body 11. body of heater rotating mechanism 12. stove
Body rotary spacing device
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
Seeing Fig. 1, be structural representation of the present utility model, this utility model one utilizes magnesite tailings to prepare the big crystalline substance of magnesium oxide
The production system of body, including the chaser 1 being sequentially connected with, ball press 2, shaft furnace 3, screening machine 4, mixer 5, high-strength
Ball press 6, automatic distributing machine 7 and electric arc furnace, connected by belt conveyor between the equipment before described automatic distributing machine 7；
Mixer 5 is provided with automatic batching system for mixing magnesite tailings fine ore, light calcined magnesia and additive；Automatic distributing
Machine 7 is located at above electric arc furnace, and its bottom discharge mouth is just to arc furnace top material inlet mouth；Electric arc furnace top is provided with many liftables
Electrode 8, electric arc furnace body 10 is rotatable.
Described electric arc furnace is electric-melting magnesium electric arc furnace, and the height of electric arc furnace body 10 is 3.8～5:1 with diameter ratio.
Described liftable electrode 8 is controlled by Electrode control device 9.
Described electric arc furnace is provided with body of heater rotating mechanism 11 and body of heater stop 12, and body of heater rotating mechanism 11 is rotated by electric arc furnace
Control system controls.
This utility model by giobertite by rolling, pressure ball, the light calcined magnesia for preparing after light-burned, screening, with magnesite tail
Fine ore after the flotation of ore deposit carries out mixing match, and makes after the operations such as high-strength extruding balling-up, high-temperature fusion and crystallize greatly electric smelting
Magnesium, it is achieved prepare the purpose of high-grade electric-melting magnesium product with magnesite tailings.
The process using this utility model to prepare the big crystal of magnesium oxide is: send into pressure by chaser 1 after being crushed by giobertite
Ball machine 2 pressure ball, is then fed into shaft furnace 3 and carries out light-burned, sends into mixed after light-magnesite powder being screened by screening machine 4
Conjunction machine 5, and is added the fine ore after light-magnesite powder and magnesite tailings flotation by the automatic batching system in mixer 5
Add agent and carry out mixing match, be then fed into high-strength ball press 6 and carry out pressure ball, by automatic distributing machine 7, raw material is sent into electricity afterwards
In molten magnesium electric arc furnace and successively cloth；In electric-melting magnesium electric arc furnace, the high-temperature fusion more than 3100 degree, make 1000～
10000 microns crystallize greatly electric-melting magnesium.
In this utility model, mixer 5 arrange automatic batching system, electric arc furnace use by liftable electrode 8 and electrode
The Electrode Lift Control System of lifting controller 9 composition, and by body of heater rotating mechanism 11, body of heater stop 12 and electric arc
The electric arc furnace rotation system of stove rotation control system composition is prior art, is not added with at this repeating.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model does not limit to
In this, any those familiar with the art is in the technical scope that this utility model discloses, according to this utility model
Technical scheme and conceive equivalent or change in addition, all should contain within protection domain of the present utility model.
Claims (4)
1. one kind utilizes the production system that magnesite tailings prepares the big crystal of magnesium oxide, it is characterised in that include being sequentially connected with
Chaser, ball press, shaft furnace, screening machine, mixer, high-strength ball press, automatic distributing machine and electric arc furnace, described automatically
Connected by belt conveyor between equipment before material distributing machine；Mixer is provided with automatic batching system for mixing magnesite tailings essence
Breeze, light calcined magnesia and additive；Automatic distributing machine is located at above electric arc furnace, and its bottom discharge mouth is just to arc furnace
Top material inlet mouth；Electric arc furnace top is provided with many liftable electrodes, and electric arc furnace body is rotatable.
A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide the most according to claim 1, its feature
Being, described electric arc furnace is electric-melting magnesium electric arc furnace, and the height of electric arc furnace body is 3.8～5:1 with diameter ratio.
A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide the most according to claim 1, its feature
Being, described liftable electrode is controlled by Electrode control device.
A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide the most according to claim 1, its feature
Being, described electric arc furnace is provided with body of heater rotating mechanism and body of heater stop, and body of heater rotating mechanism is by arc furnace rotary autocontrol system
Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620453244.XU CN205740769U (en) | 2016-05-18 | 2016-05-18 | A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620453244.XU CN205740769U (en) | 2016-05-18 | 2016-05-18 | A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205740769U true CN205740769U (en) | 2016-11-30 |
Family
ID=57363832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620453244.XU Active CN205740769U (en) | 2016-05-18 | 2016-05-18 | A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205740769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324670A (en) * | 2017-07-24 | 2017-11-07 | 辽宁东和新材料股份有限公司 | One kind produces oxide of high activity magnesium apparatus using magnesite tailings |
| CN107365092A (en) * | 2017-07-24 | 2017-11-21 | 辽宁东和新材料股份有限公司 | A kind of process units of mine tailing production high-grade electric-melting magnesium |
| CN107677125A (en) * | 2017-10-24 | 2018-02-09 | 宝鸡市永盛泰钛业有限公司 | Arc type smelting furnace |
-
2016
- 2016-05-18 CN CN201620453244.XU patent/CN205740769U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324670A (en) * | 2017-07-24 | 2017-11-07 | 辽宁东和新材料股份有限公司 | One kind produces oxide of high activity magnesium apparatus using magnesite tailings |
| CN107365092A (en) * | 2017-07-24 | 2017-11-21 | 辽宁东和新材料股份有限公司 | A kind of process units of mine tailing production high-grade electric-melting magnesium |
| CN107324670B (en) * | 2017-07-24 | 2022-07-12 | 辽宁东和新材料股份有限公司 | Device for producing high-activity magnesium oxide by utilizing magnesite tailings |
| CN107677125A (en) * | 2017-10-24 | 2018-02-09 | 宝鸡市永盛泰钛业有限公司 | Arc type smelting furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103395995B (en) | Production method for producing microcrystalline glass by using waste glass and smelting waste | |
| CN205740769U (en) | A kind of production system utilizing magnesite tailings to prepare the big crystal of magnesium oxide | |
| CN104016589B (en) | A kind of iron tailings devitrified glass and preparation method thereof | |
| CN104099466A (en) | Production method of bilayer structure pellet and production equipment thereof | |
| CN107151097A (en) | A kind of processing technology of vial | |
| CN105130186A (en) | Gangue microcrystalline glass and preparation method thereof | |
| CN103482848A (en) | Pelletizing production process for glass batch mixture | |
| CN106145686A (en) | A kind of complicated utilization Pb-Zn tailings, the devitrified glass and preparation method thereof of electrolytic manganese waste residue | |
| CN104386723A (en) | Preparation method of high-purity aluminum oxide | |
| CN103833392A (en) | Preparation method for sintered corundum | |
| CN106337117B (en) | A kind of super thick bed of material sintering method of double basicity composite sinters | |
| CN109081677B (en) | Antique brick body made of high-calcium-magnesium skarn type iron tailings and manufacturing method thereof | |
| CN110040987A (en) | A kind of method that magnesite flotation tailing prepares caustic-calcined magnesite | |
| CN104630458B (en) | A kind of acidity preparation method containing chromium type vanadium titanium sintering deposit | |
| CN109761271A (en) | A method of recycling titaniferous fines | |
| CN103266236B (en) | A kind of high-quality aluminum alloy material producing process | |
| CN106277770A (en) | Utilize the method that granite waste material produces glass | |
| CN101435020A (en) | Method for producing titanium-rich material from titanium ore concentrate | |
| CN103253867B (en) | A kind of molten state yellow phosphorus furnace slag prepares the Technology of devitrified glass | |
| CN102351181A (en) | Method for melting green silicon carbide from smokeless ultra low-ash pure coal and green silicon carbide prepared therefrom | |
| CN108358455A (en) | A method of preparing devitrified glass using Pb-Zn tailings and quartz tail sand | |
| CN102249539B (en) | Method for preparing aventurine fluoride-free opal glass | |
| CN107400819A (en) | A kind of preparation method of nano-metal-oxide enhancing Ag-based electrical contact material | |
| CN102936108B (en) | Preparation method of ceramsite | |
| CN105819694A (en) | Glass ceramic and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |