CN109517997A - A kind of rare earth distilation device - Google Patents

A kind of rare earth distilation device Download PDF

Info

Publication number
CN109517997A
CN109517997A CN201811515855.2A CN201811515855A CN109517997A CN 109517997 A CN109517997 A CN 109517997A CN 201811515855 A CN201811515855 A CN 201811515855A CN 109517997 A CN109517997 A CN 109517997A
Authority
CN
China
Prior art keywords
bolted
rare earth
data processor
furnace body
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811515855.2A
Other languages
Chinese (zh)
Inventor
黄美松
刘华
樊玉川
王志坚
贾帅广
杨露辉
姚茂海
邓月华
马小波
刘维
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN RESEARCH INSTITUTE OF RARE EARTH METAL MATERIALS
Original Assignee
HUNAN RESEARCH INSTITUTE OF RARE EARTH METAL MATERIALS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUNAN RESEARCH INSTITUTE OF RARE EARTH METAL MATERIALS filed Critical HUNAN RESEARCH INSTITUTE OF RARE EARTH METAL MATERIALS
Priority to CN201811515855.2A priority Critical patent/CN109517997A/en
Publication of CN109517997A publication Critical patent/CN109517997A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B9/00General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
    • C22B9/02Refining by liquating, filtering, centrifuging, distilling, or supersonic wave action including acoustic waves
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22BPRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B59/00Obtaining rare earth metals
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention belongs to metal smelt technical fields, disclose a kind of rare earth distilation device;It is provided with furnace body shell;Furnace body interior of shell has been bolted thermal insulation layer, has been bolted temperature sensor and pressure sensor inside thermal insulation layer;Furnace body shell exterior has been bolted data processor;Temperature sensor and pressure sensor are connect by electric signal with data processor, and temperature sensor, pressure sensor, data processor are connected to power supply by conducting wire;Sieve is bolted inside surge drum, sieve is provided with ladder strainer;Bell upper end has been bolted longitudinal drive, and longitudinal drive has been fixed by the connecting rod longitudinal collector;It has been bolted traverse driver inside tongue, traverse driver is provided with outside traverse driver and is connect by connecting rod with lateral collection device.The present invention improves rare earth distilation speed and purity;Production cost is reduced, is improved work efficiency.

Description

A kind of rare earth distilation device
Technical field
The invention belongs to metal smelt technical field more particularly to a kind of rare earth distilation devices.
Background technique
Currently, rare earth is the general name of lanthanide series and scandium, yttrium totally ten seven kinds of metallic elements in chemical periodic table.In nature There are 250 kinds of Rare Earth Mines.Discovery rare earth is that Finland chemist adds woods earliest.The heavy mine of pitch was similar to from one piece in 1794 The first rare earth " element " is isolated in stone.Because the rare-earth mineral that 18th century found is less, can only be made at that time with chemical method This oxide, is habitually known as " soil " in history by a small amount of oxide not soluble in water, thus rare earth of gaining the name.Rare earth has industry The title of " gold " can be different, various in style with other materials component property since it is with physical characteristics such as excellent photoelectromagnetics New material, most significant function is exactly to increase substantially the quality and performance of other products.For example increase substantially use In the tactical qualities of manufacture tank, aircraft, the steel of guided missile, aluminium alloy, magnesium alloy, titanium alloy.Moreover, rare earth is equally electricity Many high-tech lubricants such as son, laser, nuclear industry, superconduction.Once rare earth science and technology necessarily brings military science and technology for military affairs Rise to.But it is present in the rare earth resources in nature, internal there are many impurity, it is therefore desirable to purify, it is suitable to need Rare earth distilation device, but existing rare earth distilation device do not have device detect inside temperature and pressure, no Rare earth distillation condition can accurately be controlled, reduce rare earth distilation speed.It is mentioned simultaneously in the distillation of existing rare earth In pure device, directly rare earth is placed on inside crucible, rare earth is very thick, causes the composition inside rare earth to distill slowly, increases Production cost extends the time that distillation is extracted, reduces working efficiency.
In conclusion problem of the existing technology is:
(1) existing rare earth distilation device does not have the temperature and pressure inside device detection, can not accurately be to dilute Native distillation condition is controlled, and rare earth distilation speed is reduced.
(2) in existing rare earth distilation device, directly rare earth is placed on inside crucible, rare earth is very thick, causes Composition distillation inside rare earth slowly increases production cost, extends the time that distillation is extracted, reduces working efficiency.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of rare earth distilation devices.
The invention is realized in this way a kind of rare earth distilation device is provided with
Furnace body shell;
Furnace body interior of shell has been bolted thermal insulation layer, be bolted inside thermal insulation layer temperature sensor and Pressure sensor;Furnace body shell exterior has been bolted data processor;
Temperature sensor and pressure sensor are connect by electric signal with data processor, temperature sensor, pressure sensing Device, data processor are connected to power supply by conducting wire.
Further, the furnace body interior of shell has been bolted thermal insulation board, and thermal insulation board is received by bolt and surge drum It is bolted sieve inside collection cylinder, sieve is provided with ladder strainer, and ladder strainer upper end is welded with triangle joint Piece.
Further, the furnace body interior of shell has been bolted crucible, and crucible bottom has motor by bolt regulation, Motor output shaft is connect with shaft, and roller end is welded with fin.
Further, the bell upper end has been bolted longitudinal drive, and longitudinal drive is fixed by the connecting rod There is longitudinal collector;Furnace body shell side has been bolted tongue, has been bolted traverse driver inside tongue, It is provided with traverse driver outside traverse driver to connect by connecting rod with lateral collection device, longitudinal collector and lateral collection Sealing ring has been bolted on device.
Further, the material of the multilayer screen cloth selects Mo, Ta or W;In the distillation of high-melting-point rare earth metal, preferably W;Benefit Being much larger than with solubility of the impurity such as Fe, Co, Ni, Cr, Si in W the characteristics of solubility, can effectively drop in certain rare earths The impurity contents such as Fe, Ni in low product.
Advantages of the present invention and good effect are as follows:
The material of multilayer screen cloth of the invention can be Mo, Ta, W, and when distilling for high-melting-point rare earth metal, preferably W can To be much larger than in certain rare earths the characteristics of solubility using solubility of the impurity in W such as Fe, Co, Ni, Cr, Si, effectively drop The impurity contents such as Fe, Ni in low product.The present invention, can accurately be to rare earth by being provided with temperature sensor and pressure sensor Distillation condition is controlled, and rare earth distilation speed and purity are improved;The present invention in crucible bottom by bolt by being advised Surely there is motor, motor drives fin rotation, can constantly stir, and accelerates the composition distilation speed inside rare earth, reduces Production cost shortens the time that distillation is extracted, improves work efficiency.Lateral collection device in the present invention can be first in distillation Phase collects the impurity of the high vapour pressure of low temperature first steamed, and longitudinal collector collects product, and the multistorey strainer mesh on sieve can be improved Stop and the slightly higher impurity effect of target product fusing point.The Fractional Collections for realizing impurity and product effectively improve impurity separation effect Fruit improves product purity.
Detailed description of the invention
Fig. 1 is rare earth distilation device internal view provided in an embodiment of the present invention.
Fig. 2 is rare earth distilation crust of the device schematic diagram provided in an embodiment of the present invention.
Fig. 3 is mesh structure schematic diagram provided in an embodiment of the present invention.
Fig. 4 is fin structure schematic diagram provided in an embodiment of the present invention.
Fig. 5 is that data processor provided in an embodiment of the present invention with pressure sensor and temperature sensor connect circuit diagram.
Fig. 6 is that data processor provided in an embodiment of the present invention connect circuit diagram with electromagnetic relay switch.
In figure: 1, longitudinal drive;2, bell;3, longitudinal collector;4, lateral collection device;5, traverse driver;6, every Hot plate;7, surge drum;8, sieve;9, thermal insulation layer;10, heater;11, crucible;12, furnace body shell;13, the second groove;14, convex Slot;15, temperature sensor;16, data processor;17, pressure sensor;18, the first groove;19, sealing ring;20, refrigerator; 21, ladder strainer;22, triangle joint piece;23, shaft;24, fin.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing Detailed description are as follows.
Structure of the invention is explained in detail with reference to the accompanying drawing.
As shown in figs 1 to 6, novel rare-earth distilation device provided in an embodiment of the present invention include: longitudinal drive 1, Bell 2, longitudinal collector 3, lateral collection device 4, traverse driver 5, thermal insulation board 6, surge drum 7, sieve 8, thermal insulation layer 9, fever Body 10, crucible 11, furnace body shell 12, the second groove 13, tongue 14, temperature sensor 15, data processor 16, pressure sensor 17, the first groove 18, sealing ring 19, refrigerator 20, ladder strainer 21, triangle joint piece 22, shaft 23, fin 24.
The top surface of furnace body shell 12 has been bolted bell 2, and 2 upper end of bell has been bolted longitudinal drive 1, longitudinal drive 1 has been fixed by the connecting rod longitudinal collector 3, and longitudinal collector 3 is provided with the first groove 18, furnace body shell 12 sides have been bolted tongue 14, have been bolted traverse driver 5 inside tongue 14, outside traverse driver 5 Portion is provided with traverse driver 5 and is connect by connecting rod with lateral collection device 4, and lateral collection device 4 is provided with the second groove 13, indulges It has been bolted sealing ring 19 on collector 3 and lateral collection device 4, has led to inside longitudinal collector 3 and lateral collection device 4 It crosses bolt and is fixed with refrigerator 20, refrigerator 20 is connected to power supply by conducting wire, has been bolted inside furnace body shell 12 Thermal insulation board 6, thermal insulation board 6 pass through bolt and surge drum 7, have been bolted sieve 8 inside surge drum 7, sieve 8 is provided with rank Terraced strainer 21,21 upper end of ladder strainer are welded with triangle joint piece 22, be bolted inside furnace body shell 12 every Thermosphere 9 has been bolted temperature sensor 15 and pressure sensor 17 inside thermal insulation layer 9, has passed through outside furnace body shell 12 Bolt is fixed with data processor 16, temperature sensor 15 and pressure sensor 17 and is connected by electric signal and data processor 16 It connects, temperature sensor 15, pressure sensor 17, data processor 16 are connected to power supply by conducting wire, and thermal insulation layer 9 passes through inwardly Bolt is fixed with heater 10, and crucible 11 has been bolted inside furnace body shell 12, and 11 bottom of crucible is provided by bolt There is motor, motor output shaft is connect with shaft 23, and 23 end of shaft is welded with fin 24.
In use, reaction raw materials are put into crucible 11, crucible 11 is put into furnace body shell 12, is sealed with surge drum 7 Connection.Sieve 8 is installed on 11 top surface of crucible, the ladder strainer 21 on sieve 8 can expand temperature in limited height and shave Degree, effectively stops the impurity slightly higher with target product fusing point, temperature sensor 15 can detecte in furnace body shell 12 The temperature in portion, when temperature sensor 15 detects (the best vapo(u)rizing temperature of set temperature value and target product), data processor Electromagnetic relay switch on 16 control heaters 10 is closed, and when temperature is lower than this silicon carbide, data processor 16 is controlled Electromagnetic relay switch on heater 10 is opened, and is heated, pressure sensor 17 can detecte inside furnace body shell 12 Pressure is lower than 5*10 when the pressure detected-2When Pa, data processor 16 controls the electromagnetic relay switch in air pump, beats It drives capable pumping into, is maintained at internal pressure higher than 5*10-2On Pa, when pressure reaches suitable pressure, data processing Device 16 controls the electromagnetic relay switch in air pump and closes, and data processor 16 controls traverse driver 5, makes lateral collection device 4 are tightly connected with surge drum 7, and data processor 16 controls 10 electromagnetic relay switch of heater and opens, and control the electricity of air pump Magnetic relay switch is opened, and is heated and is evacuated, when reaching suitable temperature and pressure, data processor 16 is controlled respectively Cut-off, static 0.5~2 hour, within the time period, data processor 16 control 20 electromagnetic relay of refrigerator open It closes and opens, freeze, the higher impurity of vapour pressure is distilled out from rare earth metal at this time, is moved upward to lateral receipts with steam On second groove 13 of storage 4, it is precipitated after encountering the condensation of the second groove 13 on lateral collection device 4, after a period of time, counts According to processor 16 according to the temperature of setting, longitudinal drive 1 is controlled, is tightly connected longitudinal drive 1 and surge drum 7, according to Temperature is added to (the best vapo(u)rizing temperature of set temperature value and target product) by above-mentioned step, and pressure control is being higher than 5* 10-2The section Pa keeps the temperature 2~5 hours, and control 20 electromagnetic relay switch of refrigerator opens refrigeration, the metal steam distilled out at this time Gas moves up 18 condensation of the first groove for encountering longitudinal collector 3, is attached on the first groove 18.It is distilled to the substance After, heating power supply is closed, heating is stopped, bell 2 is opened after being cooled to room temperature, dismantles and is remained in crucible 11 after each component The impurity that steam forces down.In to rare earth distillation process, in order to accelerate distillation speed, data processor 16 according to setting time Section controls the motor relay inside crucible 11 and switchs opening, drives shaft 23, be slowly stirred fin 23 to rare earth.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form, Any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to In the range of technical solution of the present invention.

Claims (5)

1. a kind of rare earth distilation device, which is characterized in that the rare earth distilation device is provided with
Furnace body shell;
Furnace body interior of shell has been bolted thermal insulation layer, has been bolted temperature sensor and pressure inside thermal insulation layer Sensor;Furnace body shell exterior has been bolted data processor;
Temperature sensor and pressure sensor are connect by electric signal with data processor, temperature sensor, pressure sensor, number It is connected to power supply according to processor by conducting wire.
2. rare earth distilation device as described in claim 1, which is characterized in that the furnace body interior of shell is solid by bolt Surely there is thermal insulation board, thermal insulation board passes through bolt and surge drum, has been bolted sieve inside surge drum, sieve is provided with ladder Strainer, ladder strainer upper end are welded with triangle joint piece.
3. rare earth distilation device as described in claim 1, which is characterized in that the furnace body interior of shell is solid by bolt Surely there is crucible, crucible bottom has motor by bolt regulation, and motor output shaft is connect with shaft, and roller end is welded with wing Piece.
4. rare earth distilation device as described in claim 1, which is characterized in that the bell upper end has been bolted Longitudinal drive, longitudinal drive have been fixed by the connecting rod longitudinal collector;Furnace body shell side has been bolted convex Slot has been bolted traverse driver inside tongue, has been provided with traverse driver outside traverse driver and passes through connecting rod It is connect with lateral collection device, has been bolted sealing ring on longitudinal collector and lateral collection device.
5. a kind of application method of rare earth distilation device as described in claim 1, which is characterized in that the rare earth distillation mentions The application method of pure device includes;Reaction raw materials are put into crucible, crucible is put into furnace body shell, seals and connects with surge drum It connects.Sieve is installed on crucible top surface, the ladder strainer on sieve expands temperature gradient in limited height;Temperature sensor The temperature for detecting furnace body interior of shell, when temperature sensor detects, the electromagnetic relay on data processor controlled heater Switch is closed, when temperature is lower than this silicon carbide;Electromagnetic relay switch on data processor controlled heater is opened, into Row heating, pressure sensor detect the pressure of furnace body interior of shell, when the pressure detected, are lower than 5*10-2When Pa, data processing Device controls the electromagnetic relay switch in air pump;
Opening is evacuated, and is maintained at internal pressure higher than 5*10-2On Pa, when pressure reaches suitable pressure, number It is closed according to the electromagnetic relay switch in processor control air pump, data processor controlled traverse driver makes lateral collection Device and surge drum are tightly connected, and data processor controlled heater electromagnetic relay switch is opened, control the electromagnetism of air pump after Electric switch is opened, and is heated and is evacuated, when reaching suitable temperature and pressure, the respective relay of data processor controlled Device is closed, and static 0.5~2 hour, within the time period, data processor controlled refrigerator electromagnetic relay switch was opened, into Row refrigeration, the higher impurity of vapour pressure is distilled out from rare earth metal at this time, is moved upward to the of lateral collection device with steam On two grooves, it is precipitated after encountering the condensation of the second groove on lateral collection device;
Data processor controls longitudinal drive according to the temperature of setting, is tightly connected longitudinal drive and surge drum, according to Above-mentioned step, temperature is added to, and pressure control is being higher than 5*10-2The section Pa keeps the temperature 2~5 hours, controls refrigerator electromagnetism Relay switch opens refrigeration, and the metal vapors distilled out at this time moves up the first groove condensation for encountering longitudinal collector 3 It is precipitated, is attached on the first groove;
After to substance distillation, heating power supply is closed, stops heating, bell is opened after being cooled to room temperature, dismantles each portion The impurity that entrained steam forces down in crucible after part.In to rare earth distillation process, in order to accelerate distillation speed, data processor is pressed According to the period of setting, controls the motor relay inside crucible and switch opening, drive shaft, stir fin slowly rare earth It mixes.
CN201811515855.2A 2018-12-12 2018-12-12 A kind of rare earth distilation device Pending CN109517997A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811515855.2A CN109517997A (en) 2018-12-12 2018-12-12 A kind of rare earth distilation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811515855.2A CN109517997A (en) 2018-12-12 2018-12-12 A kind of rare earth distilation device

Publications (1)

Publication Number Publication Date
CN109517997A true CN109517997A (en) 2019-03-26

Family

ID=65796041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811515855.2A Pending CN109517997A (en) 2018-12-12 2018-12-12 A kind of rare earth distilation device

Country Status (1)

Country Link
CN (1) CN109517997A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110527839A (en) * 2018-05-25 2019-12-03 华北电力大学 A method of utilizing rare earth metal in plasma recycling flying dust
CN113481392A (en) * 2021-07-08 2021-10-08 王鲜 Tombarthite purification equipment for tombarthite is gathered
CN114480869A (en) * 2022-01-25 2022-05-13 朱辰宇 Rare earth purification equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU177069A1 (en) * В. С. Есютин, И. А. Онаев, Ж. Ш. Тазиев, С. А. Рыжкин , Н. А. Воронков APPARATUS FOR CONTINUOUS METAL REFINING
GB1387894A (en) * 1972-11-22 1975-03-19 Inst Metallurgii I Obogascheni Apparatus for refining metal
CN203639529U (en) * 2013-12-11 2014-06-11 湖南稀土金属材料研究院 Rare earth distillation and purification device
CN206256142U (en) * 2016-12-20 2017-06-16 乐山凯亚达光电科技有限公司 High pure metal high-efficiency precision furnace
CN206580867U (en) * 2017-03-03 2017-10-24 汉源县源富锌业有限公司 A kind of free of contamination electrical heating zinc re-distillation furnace

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU177069A1 (en) * В. С. Есютин, И. А. Онаев, Ж. Ш. Тазиев, С. А. Рыжкин , Н. А. Воронков APPARATUS FOR CONTINUOUS METAL REFINING
GB1387894A (en) * 1972-11-22 1975-03-19 Inst Metallurgii I Obogascheni Apparatus for refining metal
CN203639529U (en) * 2013-12-11 2014-06-11 湖南稀土金属材料研究院 Rare earth distillation and purification device
CN206256142U (en) * 2016-12-20 2017-06-16 乐山凯亚达光电科技有限公司 High pure metal high-efficiency precision furnace
CN206580867U (en) * 2017-03-03 2017-10-24 汉源县源富锌业有限公司 A kind of free of contamination electrical heating zinc re-distillation furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110527839A (en) * 2018-05-25 2019-12-03 华北电力大学 A method of utilizing rare earth metal in plasma recycling flying dust
CN110527839B (en) * 2018-05-25 2020-11-17 华北电力大学 Method for recovering rare earth metals in fly ash by using plasma
CN113481392A (en) * 2021-07-08 2021-10-08 王鲜 Tombarthite purification equipment for tombarthite is gathered
CN113481392B (en) * 2021-07-08 2022-06-24 王鲜 Tombarthite purification equipment for tombarthite is gathered
CN114480869A (en) * 2022-01-25 2022-05-13 朱辰宇 Rare earth purification equipment

Similar Documents

Publication Publication Date Title
CN109517997A (en) A kind of rare earth distilation device
CN107574319B (en) Semi-continuous distillation production method of high-purity magnesium
US5582630A (en) Ultra high purity magnesium vacuum distillation purification method
CN100342045C (en) Inner resistance heating metallothermic reduction furnace for melting magnesium
CN105817461B (en) A kind of device of waste and old circuit board electronic component high added value recycling
CN102605194A (en) Preparation method of high purity zinc by vacuum distillation
CN1059709C (en) Method and equipment for vacuum distillation puritying metallic lithium
CN107345278B (en) A kind of vacuum distillation electrolytic aluminium prepares the process of rafifinal
CN105817462B (en) A kind of technical method of waste and old circuit board electronic component high added value recycling
US20190284658A1 (en) Device for fractional condensation of arsenic lead vapor mixture and application method thereof
CN102808090A (en) Device and method for preparing ultrahigh-purity metal magnesium from industrial pure magnesium
CN107058766A (en) A kind of preparation method of high purity indium
CN102706144A (en) Fractional condensation vacuum furnace
CN103937999B (en) A kind of vacuum distilling ferromanganese extracts method and the device of manganese metal
CN101565781A (en) Method and device for producing high-purity antimony
CN101225479B (en) Vacuum sublimation purifying method for high-purity arsenic and vacuum sublimation furnace thereof
CN201158692Y (en) Vacuum sublimation purification device of high purity arsenic
CN2880850Y (en) Vacuum furnace of extracting aluminium directly from aluminium ore
CN116875821A (en) Antimony preparation method and device
CN107243164A (en) Feather weight organic matter ladder sublimation purification instrument
CN206783742U (en) A kind of separated prepares the device of high purity gallium
US5078789A (en) Continuous vacuum distillation and furnace therefor
CN208440296U (en) The horizontal atmosphere synthetic furnace of low temperature
CN207405220U (en) A kind of sensing zinc dust distillation stove
Rapoport et al. Phase Diagram of Manganese to 40 kbars

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