CN107083493A - The device and method that a kind of Smelting magnesium reductive jar is vacuumized - Google Patents
The device and method that a kind of Smelting magnesium reductive jar is vacuumized Download PDFInfo
- Publication number
- CN107083493A CN107083493A CN201710456397.9A CN201710456397A CN107083493A CN 107083493 A CN107083493 A CN 107083493A CN 201710456397 A CN201710456397 A CN 201710456397A CN 107083493 A CN107083493 A CN 107083493A
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- CN
- China
- Prior art keywords
- reductive jar
- vacuum
- vacuum extractor
- upper connecting
- connecting tube
- 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.)
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Classifications
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- 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
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/04—Dry methods smelting of sulfides or formation of mattes by aluminium, other metals or silicon
Abstract
The invention discloses the device and method that a kind of Smelting magnesium reductive jar is vacuumized, its device includes reductive jar and is arranged on the crystallizer on reductive jar top, the lower cavity that reductive jar is internally located at the crystallizer is filled with pellet, reductive jar top is provided with and its internal upper connecting tube connected, upper connecting tube connects the first vacuum extractor, the reductive jar bottom is provided with connects the second vacuum extractor with its internal lower linking tube connected, lower linking tube；The upper connecting tube is also associated with the 3rd vacuum extractor being arranged in parallel with the first vacuum extractor, and the 3rd vacuum extractor is by aiding in adapter to be connected with upper connecting tube.The present invention, which can be effectively improved, vacuumizes efficiency, shortens the pumpdown time, while powder pollution improves the purity of former magnesium positioned at the magnesium crystallizer on reductive jar top when avoiding vacuumizing.
Description
Technical field
The present invention relates to ferrosilicon process Smelting magnesium process system, and in particular to a kind of device that Smelting magnesium reductive jar is vacuumized and
Method.
Background technology
The reduction reaction of ferrosilicon process Smelting magnesium usually requires 10Pa vacuum, therefore, and it is ferrosilicon process Smelting magnesium to vacuumize
Indispensable process.Reductive jar in ferrosilicon process Smelting magnesium technology is elongated cylindrical equipment, and one end of reductive jar is typically provided with magnesium
Crystallizer, crystallization water jacket and vacuum adapter, vacuum adapter are connected with vavuum pump.Dye reductive jar is away from magnesium crystallizer
The air of one end will be extracted, and flow is longer, and suction difficulty is big, and suction time is long., typically must be through dozens of minutes just when vacuumizing
It can reach and maintain the vacuum needed for reduction reaction.The production cycle for directly affecting magnesium is vacuumized for a long time, therefore, is efficiently taken out
Vacuum is always the target that Smelting magnesium evacuation process is pursued.
Further, since vacuumize end crystallizes the same side that end is each provided at reductive jar with magnesium, and when vacuumizing, pellet surface attachment
Powder（Fines）During discharging reductive jar through magnesium crystallizer with air, it can deposit, pollute magnesium crystallizer, so as to influence magnesium
Purity.
The content of the invention
The present invention in order to solve a kind of device that weak point of the prior art vacuumizes there is provided Smelting magnesium reductive jar and
Method, effectively improves and vacuumizes efficiency, shortens the pumpdown time, while powder pollution is located at reductive jar top when avoiding vacuumizing
Magnesium crystallizer, improve the purity of former magnesium.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：The dress that a kind of Smelting magnesium reductive jar is vacuumized
Put, including reductive jar 2 and the crystallizer 1 for being arranged on the top of reductive jar 2, reductive jar 2 is internally located at the lower section of the crystallizer 1
Cavity is filled with pellet 3, and the top of reductive jar 2 is provided with connects the first vacuum means with its internal upper connecting tube 4 connected, upper connecting tube 4
6 are put, the bottom of reductive jar 2 is provided with connects the second vacuum extractor 11 with its internal lower linking tube 9 connected, lower linking tube 9；It is described
Upper connecting tube 4 is also associated with the 3rd vacuum extractor 8 being arranged in parallel with the first vacuum extractor 6, and the 3rd vacuum extractor 8 passes through
Auxiliary adapter is connected with upper connecting tube 4.
The first vacuum valve 5 is arranged on the upper connecting tube 4；The second vacuum valve 10 is arranged on the lower linking tube 9；The auxiliary connects
The 3rd vacuum valve 7 is arranged on pipe.
The invention also discloses a kind of method that Smelting magnesium reductive jar is vacuumized, comprise the following steps：
The first step, charging is completed and closed after the charge door of reductive jar 2, first opens the second vacuum valve 10 of bottom, second vacuumizes
Device 11 is to the forvacuum of reductive jar 2；
Second step, when the vacuum of reductive jar 2 is reduced to below absolute pressure p1, opens first vacuum valve 5 on top, first takes out
The vacuum extractor 11 of vacuum plant 6 and second is common to the forvacuum of reductive jar 2；
3rd step, is exhausted into advance when the vacuum of reductive jar 2 is reduced to below absolute pressure p2, close the second vacuum valve 10 and
First vacuum valve 5, opens the 3rd vacuum valve 7 and switches to the 3rd vacuum extractor 8, reductive jar 2 is continued to be evacuated to absolute pressure
Pellet 3 in power p3, reductive jar 2 formally starts reduction reaction and continues to carry out.
The absolute pressure p1 is more than or equal to 10000 Pa and less than or equal to 20000Pa；The absolute pressure p2 is big
In equal to 500 Pa and less than or equal to 1000 Pa；The absolute pressure p3 is more than or equal to 5 Pa and less than or equal to 10 Pa.
The beneficial effects of the invention are as follows：
1. the present invention, which is solved, vacuumizes low efficiency, time length and pollution magnesium crystallization in existing ferrosilicon process Smelting magnesium technical process
The present situation of device, the present invention is equipped with adapter and vacuum extractor in reductive jar magnesium crystallizer upper and lower part；When vacuumizing, first from
Then bottom, from upper and lower part simultaneously to reductive jar forvacuum, most there is the master for switching to top to reductive jar forvacuum
Vacuum extractor, continues to be evacuated to and maintain 10Pa or so to reductive jar, can effectively improve and vacuumize efficiency, shortening is vacuumized
Time, simultaneously, it is to avoid powder pollution improves the purity of former magnesium positioned at the magnesium crystallizer on reductive jar top when vacuumizing.
2. the present invention, which is improved, vacuumizes efficiency, pumpdown time and production cycle are shortened；Avoid powder when vacuumizing
Material pollution magnesium crystallizer, improves the purity of former magnesium.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
The reference of each part in figure：1 is crystallizer, and 2 be reductive jar, 3 be pellet, 4 be upper connecting tube, 5 be the first vacuum valve,
6 it is the first vacuum extractor, 7 be the 3rd vacuum valve, 8 be the 3rd vacuum extractor, 9 be lower linking tube, 10 is the second vacuum valve, 11
For the second vacuum extractor.
Embodiment
The embodiment of the present invention is elaborated below in conjunction with accompanying drawing.
Embodiment one：
As shown in figure 1, a kind of device that vacuumizes of Smelting magnesium reductive jar of the present invention, including reductive jar 2 and it is arranged on reduction
The crystallizer 1 on the top of tank 2, the lower cavity that reductive jar 2 is internally located at the crystallizer 1 is filled with pellet 3, the top of reductive jar 2
Provided with the upper connecting tube 4 connected with its inside, upper connecting tube 4 connects the first vacuum extractor 6, it is characterised in that：Under the reductive jar 2
Portion is provided with connects the second vacuum extractor 11 with its internal lower linking tube 9 connected, lower linking tube 9；The upper connecting tube 4 be also associated with
The 3rd vacuum extractor 8 that first vacuum extractor 6 is arranged in parallel, the 3rd vacuum extractor 8 is by aiding in adapter and upper connecting tube 4
Connection.
The first vacuum valve 5 is arranged on the upper connecting tube 4；The second vacuum valve 10 is arranged on the lower linking tube 9；The auxiliary connects
The 3rd vacuum valve 7 is arranged on pipe.
The present embodiment additionally provides a kind of method that Smelting magnesium reductive jar is vacuumized, and comprises the following steps：
The first step, charging is completed and closed after the charge door of reductive jar 2, first opens the second vacuum valve 10 of bottom, second vacuumizes
Device 11 is to the forvacuum of reductive jar 2；
Second step, when the vacuum of reductive jar 2 is reduced to absolute pressure about below 20000Pa, opens first vacuum valve on top
5, the first vacuum extractor 6 and the second vacuum extractor 11 are common to the forvacuum of reductive jar 2；
3rd step, is exhausted into advance when the vacuum of reductive jar 2 is reduced to below absolute pressure 1000Pa, closes the second vacuum valve 10
And first vacuum valve 5, open the 3rd vacuum valve 7 and switch to the 3rd vacuum extractor 8, reductive jar 2 is continued to be evacuated to absolutely
To pressure 10Pa or so, the pellet 3 in reductive jar 2 formally starts reduction reaction and continues to carry out.
Embodiment two：
The difference of the present embodiment and embodiment one is the method that Smelting magnesium reductive jar is vacuumized, and this method includes following step
Suddenly：
The first step, charging is completed and closed after the charge door of reductive jar 2, first opens the second vacuum valve 10 of bottom, second vacuumizes
Device 11 is to the forvacuum of reductive jar 2；
Second step, when the vacuum of reductive jar 2 is reduced to absolute pressure about below 10000Pa, opens first vacuum valve on top
5, the first vacuum extractor 6 and the second vacuum extractor 11 are common to the forvacuum of reductive jar 2；
3rd step, is exhausted into advance when the vacuum of reductive jar 2 is reduced to absolute pressure about below 1000Pa, closes the second vacuum valve
10 and first vacuum valve 5, open the 3rd vacuum valve 7 and switch to the 3rd vacuum extractor 8, reductive jar 2 is continued to be evacuated to
Pellet 3 in absolute pressure 10Pa or so, reductive jar 2 formally starts reduction reaction and continues to carry out.
Embodiment three：
The difference of the present embodiment and embodiment one is the method that Smelting magnesium reductive jar is vacuumized, and this method includes following step
Suddenly：
The first step, charging is completed and closed after the charge door of reductive jar 2, first opens the second vacuum valve 10 of bottom, second vacuumizes
Device 11 is to the forvacuum of reductive jar 2；
Second step, when the vacuum of reductive jar 2 is reduced to absolute pressure about below 20000Pa, opens first vacuum valve on top
5, the first vacuum extractor 6 and the second vacuum extractor 11 are common to the forvacuum of reductive jar 2；
3rd step, is exhausted into advance when the vacuum of reductive jar 2 is reduced to absolute pressure about below 500Pa, closes the second vacuum valve
10 and first vacuum valve 5, open the 3rd vacuum valve 7 and switch to the 3rd vacuum extractor 8, reductive jar 2 is continued to be evacuated to
Pellet 3 in absolute pressure 10Pa or so, reductive jar 2 formally starts reduction reaction and continues to carry out.
Above example is only used to illustrative and not limiting technical scheme, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that：Still the present invention can be modified or be waited
With replacement, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
Among sharp claimed range.
In the description of the invention, it is to be understood that the orientation or position of the instruction such as term " interior ", " outer ", " on ", " under "
It, based on orientation shown in the drawings or position relationship, is only for ease of the description present invention and simplified description, without referring to put relation to be
Specific orientation must be had, be specific azimuth configuration and operation by showing or infer the device or element of meaning, thus can not be managed
Solve to protect the present invention limitation of content.
If the word such as " first ", " second ", " the 3rd " is used herein come if limiting parts, art technology
Personnel should know：" first ", " second ", the use of " the 3rd " are intended merely to facilitate the description present invention and simplify description, such as
Do not state in addition, above-mentioned word does not have special implication.
Claims (4)
1. the device that a kind of Smelting magnesium reductive jar is vacuumized, including reductive jar（2）And it is arranged on reductive jar（2）The crystallization on top
Device（1）, reductive jar（2）It is internally located at the crystallizer（1）Lower cavity be filled with pellet（3）, reductive jar（2）Top is provided with
With its internal upper connecting tube connected（4）, upper connecting tube（4）Connect the first vacuum extractor（6）, it is characterised in that：The reductive jar
（2）Bottom is provided with and its internal lower linking tube connected（9）, lower linking tube（9）Connect the second vacuum extractor（11）；The upper connecting tube
（4）It is also associated with and the first vacuum extractor（6）The 3rd vacuum extractor being arranged in parallel（8）, the 3rd vacuum extractor（8）It is logical
Cross auxiliary adapter and upper connecting tube（4）Connection.
2. the device that a kind of Smelting magnesium reductive jar according to claim 1 is vacuumized, it is characterised in that：The upper connecting tube
（4）The first vacuum valve of upper arranging（5）；The lower linking tube（9）The second vacuum valve of upper arranging（10）；The is arranged in the auxiliary adapter
Three vacuum valves（7）.
3. the method that a kind of Smelting magnesium reductive jar of device is vacuumized according to claim 2, it is characterised in that including following
Step：
The first step, charging completes and closes reductive jar（2）After charge door, the second vacuum valve of bottom is first opened（10）, second takes out
Vacuum plant（11）To reductive jar（2）Forvacuum；
Second step, works as reductive jar（2）Vacuum when being reduced to below absolute pressure p1, open first vacuum valve on top（5）, the
One vacuum extractor（6）With the second vacuum extractor（11）Jointly to reductive jar（2）Forvacuum；
3rd step, works as reductive jar（2）Vacuum exhaust into advance when being reduced to below absolute pressure p2, close the second vacuum valve（10）
And first vacuum valve（5）, open the 3rd vacuum valve（7）Switch to the 3rd vacuum extractor（8）, to reductive jar（2）Continue to take out
Vacuum is to absolute pressure p3, reductive jar（2）Interior pellet（3）It is formal to start reduction reaction and continue to carry out.
4. the method that a kind of Smelting magnesium reductive jar according to claim 3 is vacuumized, it is characterised in that：The absolute pressure
P1 is more than or equal to 10000 Pa and less than or equal to 20000Pa；The absolute pressure p2 be more than or equal to 500 Pa and less than etc.
In 1000 Pa；The absolute pressure p3 is more than or equal to 5 Pa and less than or equal to 10 Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456397.9A CN107083493A (en) | 2017-06-16 | 2017-06-16 | The device and method that a kind of Smelting magnesium reductive jar is vacuumized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710456397.9A CN107083493A (en) | 2017-06-16 | 2017-06-16 | The device and method that a kind of Smelting magnesium reductive jar is vacuumized |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107083493A true CN107083493A (en) | 2017-08-22 |
Family
ID=59607058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710456397.9A Pending CN107083493A (en) | 2017-06-16 | 2017-06-16 | The device and method that a kind of Smelting magnesium reductive jar is vacuumized |
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| Country | Link |
|---|---|
| CN (1) | CN107083493A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338123A (en) * | 2018-11-29 | 2019-02-15 | 郑州大学 | High efficiency Smelting magnesium method and smelting device for this method |
| CN114182093A (en) * | 2021-11-18 | 2022-03-15 | 北京科技大学 | Device and method for vertical retort magnesium smelting and vacuumizing |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008039047A1 (en) * | 2006-09-25 | 2008-04-03 | Ervins Blumbergs | Method and apparatus for continuous producing of metallic titanium and titanium-based alloys |
| CN102839290A (en) * | 2012-09-25 | 2012-12-26 | 北京慧研义和科技有限公司 | Peer sectional vacuum apparatus of reducing tanks and method |
| CN206902212U (en) * | 2017-06-16 | 2018-01-19 | 郑州大学 | The device that a kind of Smelting magnesium reductive jar vacuumizes |
-
2017
- 2017-06-16 CN CN201710456397.9A patent/CN107083493A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008039047A1 (en) * | 2006-09-25 | 2008-04-03 | Ervins Blumbergs | Method and apparatus for continuous producing of metallic titanium and titanium-based alloys |
| CN102839290A (en) * | 2012-09-25 | 2012-12-26 | 北京慧研义和科技有限公司 | Peer sectional vacuum apparatus of reducing tanks and method |
| CN206902212U (en) * | 2017-06-16 | 2018-01-19 | 郑州大学 | The device that a kind of Smelting magnesium reductive jar vacuumizes |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109338123A (en) * | 2018-11-29 | 2019-02-15 | 郑州大学 | High efficiency Smelting magnesium method and smelting device for this method |
| CN114182093A (en) * | 2021-11-18 | 2022-03-15 | 北京科技大学 | Device and method for vertical retort magnesium smelting and vacuumizing |
| CN114182093B (en) * | 2021-11-18 | 2022-09-30 | 北京科技大学 | Device and method for vertical retort magnesium smelting and vacuumizing |
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