CN108546837A - The feeding in continuous material device and charging method of titanium or titanium alloy short route preparation - Google Patents
The feeding in continuous material device and charging method of titanium or titanium alloy short route preparation Download PDFInfo
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- CN108546837A CN108546837A CN201810511704.3A CN201810511704A CN108546837A CN 108546837 A CN108546837 A CN 108546837A CN 201810511704 A CN201810511704 A CN 201810511704A CN 108546837 A CN108546837 A CN 108546837A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
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Abstract
The present invention provides a kind of the feeding in continuous material device and charging method of the preparation of titanium or titanium alloy short route, including feeding bin, blanking bin, the first vacuum gate valve, the second vacuum gate valve, spiral conveyor rod, motor and charging line, wherein：The entrance in feeding bin is arranged in first vacuum gate valve；It is connected via the second vacuum gate valve between feeding bin and blanking bin；The discharge port of blanking bin is connected to the charging line；The spiral conveyor rod is arranged in charging line, and the output shaft of the motor connect with spiral conveyor rod and spiral conveyor rod rotation is driven to realize continuous rotation feeding；The outlet of charging line extends into working chamber.It by the design of two feed bins, is controlled with blanking in conjunction with vacuumizing, realizes the feeding in continuous material in titanium and titanium alloy preparation process.
Description
Technical field
The present invention relates to titanium alloy Preparation equipment technical fields, are prepared in particular to a kind of titanium or titanium alloy short route
Feeding in continuous material device and charging method.
Background technology
Titanium or titanium alloy because with low-density, high specific strength, high temperature resistant, it is corrosion-resistant, without superiority such as magnetic, bio-compatibles
Can, it is got a lot of applications in fields such as Aeronautics and Astronautics, naval vessels, however the high cost of titanium limits the application of titanium or titanium alloy
Range, especially in civil field.At present in addition to the cost of raw material is high in industry titanium alloy, the vacuum of titanium or titanium alloy
Melting and its processing occupy the 60% of the totle drilling cost use scope for also affecting titanium alloy.In order to reduce titanium alloy cost, titanium and
Titanium alloy related researcher studies etc. from the low-cost manufacturing technique of titanium sponge, low-cost titanium alloy has carried out many
Research work.The approach for reducing titanium alloy cost at present has：It is reduced by improving the preparation method of raw material (titanium sponge)
The cost of raw material, using inexpensive alloy element, simplify the various sides such as titanic alloy machining technique, optimization titanium article processing technology
Method.
It, generally will be former by modes such as plasma gun, vacuum meltings in the means of industrially prepared middle melting titanium or titanium alloy
Material melts, and melting sources enter molten bath, and the cooled and solidified in a crystallizer of the titanium liquid in molten bath is formed after electrode all fusing
Titanium ingot.Such as the Chinese patent 201510398496.7 of the prior art proposes continuous casting technology and set prepared by a kind of titanium or titanium alloy
It is standby, it is a kind of productive technology of short flow of titanium alloy, under argon gas protection or inert gas atmosphere, using plasma gun as heat
Source is realized titanium or titanium alloy circle, the continuously casting of flat ingot casting by crystallizer, plasma gun and pull down mechanism, is reduced
Titanic alloy machining cost about 15% or more proposes the imagination that short route prepares titanium alloy, but the continuous conveying material used
For example traditional conveying type design of feeding track, in the vacuum melting field of titanium alloy, it is difficult to really realize continuous production
It needs, is especially to need to carry out under vacuum conditions in feeding, how to realize feeding in continuous material and do not influence follow-up vacuum melting
Become the difficult point in titanium and the continuous preparation process of titanium alloy with the feeding technique of crystalline forming.
Invention content
Present invention aims at providing a kind of the feeding in continuous material device and charging method of the preparation of titanium or titanium alloy short route,
It by the design of two feed bins, is controlled with blanking in conjunction with vacuumizing, realizes the feeding in continuous material in titanium and titanium alloy preparation process.
To reach above-mentioned purpose, the present invention proposes a kind of feeding in continuous material device of titanium or titanium alloy short route preparation, packet
Feeding bin, blanking bin, the first vacuum gate valve, the second vacuum gate valve, spiral conveyor rod, motor and charging line are included,
In：
The entrance in feeding bin is arranged in first vacuum gate valve；
It is connected via the second vacuum gate valve between feeding bin and blanking bin；
The discharge port of blanking bin is connected to the charging line；
The spiral conveyor rod is arranged in charging line, and the output shaft of the motor connect and drives with spiral conveyor rod
Continuous rotation feeding is realized in spiral conveyor rod rotation；The outlet of charging line extends into working chamber.
In further embodiment, the volume of the blanking bin is more than the volume of feeding bin.
In further embodiment, the charging line has screw feeding part and blanking part, bolt feed section
At horizontality and which provided the spiral conveyor rods.
In further embodiment, the blanking part has downward relative to the screw feeding part of charging line
The angle of bending.
In further embodiment, the outlet of the blanking bin is in a vertical angle with the screw feeding part of the charging line
Degree installation.
In further embodiment, it is additionally provided with ultrasonic vibrator between the charging line and blanking bin, is located at blanking
The outlet port in storehouse, for passing through vibration to prevent outlet obstruction.
According to the disclosure, it is also proposed that a kind of charging method based on above-mentioned feeding in continuous material device, charging method includes following
Step：
Step 1, charging when, add the raw material into feeding bin, close the first and second vacuum gate valves；
It step 2 and then is vacuumized by vacuum pump, vacuumizes after numerical value reaches setting value and open the second vacuum plate
Valve；Raw material enters in blanking bin, closes the second vacuum gate valve；
Step 3 is again turned on the first vacuum gate valve, adds raw materials into feeding bin again, closes the first vacuum plate
Valve vacuumizes, and is then remained when volume reaches setting ratio when the consumption of raw materials in blanking bin and continuously adds raw material from feeding bin again,
The mode of installation steps 2 carries out, and realizes the serialization that raw material is added.
In further embodiment, vacuum value range≤5Pa for being vacuumized in step 2.
In further embodiment, preceding method more includes：The consumption of raw materials of the blanking bin is monitored in feeding process
Volume.
In further embodiment, the volume of the blanking bin is more than the volume of feeding bin, and the original in blanking bin
Material consumption remains when volume reaches the 20% of setting and continuously adds raw material from feeding bin again.
By the above technical scheme of the present invention, compared with prior art, significant advantageous effect is：
The present invention proposes a kind of feeding in continuous material device suitable for titanium or titanium alloy short route preparation, by two
The separate design of blanking bin, and the feeding timing control with corresponding different feed bins is vacuumized in feeding, it is really real
Now meet the feeding in continuous material for continuously generating needs, and is shaken by structure optimization and ultrasound between feed bin and screw feed mechanism
The blocking prevented in feeding process is realized in the cooperation of motivation structure.
Feeding device through the invention carries out feeding in continuous material, efficient, and process control, is not susceptible to block.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived that describe in greater detail below are at this
Sample design it is not conflicting in the case of can be viewed as the disclosure subject matter a part.In addition, required guarantor
All combinations of the theme of shield are considered as a part for the subject matter of the disclosure.
Can be more fully appreciated from the following description in conjunction with attached drawing present invention teach that foregoing and other aspect, reality
Apply example and feature.The feature and/or advantageous effect of other additional aspects such as illustrative embodiments of the present invention will be below
Description in it is obvious, or by according to present invention teach that specific implementation mode practice in learn.
Description of the drawings
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or approximately uniform group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, by example and the embodiments of various aspects of the invention will be described in reference to the drawings, wherein：
Fig. 1 is the structural schematic diagram of the feeding in continuous material device of the present invention.
Specific implementation mode
In order to know more about the technology contents of the present invention, spy lifts specific embodiment and institute's accompanying drawings is coordinated to be described as follows.
Various aspects with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations.
It is not intended to cover all aspects of the invention for embodiment of the disclosure.It should be appreciated that a variety of designs and reality presented hereinbefore
Those of apply example, and describe in more detail below design and embodiment can in many ways in any one come it is real
It applies, this is because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, disclosed by the invention one
A little aspects can be used alone, or otherwise any appropriately combined be used with disclosed by the invention.
In conjunction with shown in Fig. 1, the disclosed feed mechanism for being suitable for titanium or titanium alloy short route preparation according to the present invention
100, it is friction feeding mechanism, continuous feedstock transportation is provided to subordinate's process for titanium and the preparation of titanium alloy titanium alloy short route
Working chamber carries out melting.
Feed mechanism 100 includes feeding bin 1, blanking bin 2 and vacuum gate valve 3, and vacuum gate valve 3 includes the first vacuum
Gate valve 3-1 and the second vacuum gate valve 3-2.
It is isolated by vacuum gate valve 3-2 between feeding bin 1 and blanking bin 2.
The entrance in feeding bin 1 is arranged in first vacuum gate valve 3-1, via the second vacuum between feeding bin 1 and blanking bin 2
Gate valve 3-2 connections.
First vacuum gate valve 3-1 is arranged at the entrance 1-1 of feeding bin 1, for controlling the feed to feeding bin 1.
The discharge port 2-2 of blanking bin 2 is connected to charging line 4.The outlet 4-3 of charging line 4 is extended into working chamber,
Raw material is delivered continuously to working chamber.
In some embodiments, charging line 4 is two-piece design, has screw feeding part 4-1 and blanking part 4-
2, bolt feed section 4-1 are at horizontality and are provided with spiral conveyor rod 5.Blanking part 4-2 is relative to charging line
Screw feeding part 4-1 have the value range of angle a, a being bent downward at 150-170 °, so that raw material falls
It is accumulated on to the indoor water cooling bed of melting.
Motor 6 is rotated for spiral conveyor rod 5, to realize screw feeding.
In especially optional example, the output shaft of motor 6 connect with spiral conveyor rod 5 and drives spiral conveyor rod rotation real
Existing continuous rotation feeding.
Raw material blocks between blanking bin 2 and charging line 4 in order to prevent, the outlet 2-2 and feed pipe of blanking bin
The screw feeding part degree installation in a vertical angle in road.Also, ultrasonic vibrator is additionally provided between charging line and blanking bin
8, it is located at the outlet port of blanking bin, for passing through vibration further to prevent outlet obstruction, really realizes friction feeding.
In conjunction with Fig. 1, in charging, raw material (titanium sponge or titanium sponge and intermediate alloy mixture) is added to feeding bin 1
In, the first and second vacuum gate valve 3-1 and 3-2 are closed, and are then vacuumized by vacuum pump, are vacuumized numerical value and are reached and set
The second vacuum gate valve 3-2, vacuum value range≤5Pa are opened after definite value, raw material enters in blanking bin 2, closes the second vacuum
Gate valve 3-2；The first vacuum gate valve 3-1 is opened, is added raw materials into again in feeding bin 1, the first vacuum gate valve 3-1 is closed
It vacuumizes.
In preferred example, the blanking bin 2 of continuous charging mechanism 30% appearance bigger than the volume of feeding bin 1 such as big
Accumulated amount continuously adds raw material from feeding bin 1 again when the consumption of raw materials in blanking bin 2 remains volume 20%, realizes what raw material was added
Serialization.
In conjunction with Fig. 1 and the feeding device of above-mentioned each embodiment, the charging method that the disclosure proposes includes the following steps：
Step 1, charging when, add the raw material into feeding bin, close the first and second vacuum gate valves；
It step 2 and then is vacuumized by vacuum pump, vacuumizes after numerical value reaches setting value and open the second vacuum plate
Valve, the vacuum value range≤5Pa vacuumized；Raw material enters in blanking bin, closes the second vacuum gate valve；
Step 3 is again turned on the first vacuum gate valve, adds raw materials into feeding bin again, closes the first vacuum plate
Valve vacuumizes, and is then remained when volume reaches setting ratio when the consumption of raw materials in blanking bin and continuously adds raw material from feeding bin again,
The mode of installation steps 2 carries out, and realizes the serialization that raw material is added.
Preceding method is in feeding process, the volume of the consumption of raw materials of the continuous or intermittent monitoring blanking bin, example
It is such as monitored by the scale value on feed bin, or monitoring is realized by the volume for the helical feed for monitoring and/or calculating.
To realize that the serialization of feeding, the volume of blanking bin 2 are more than the volume of feeding bin, are greater than 20%-30%, no
It is preferably excessive, and the consumption of raw materials in blanking bin 2 remains when volume reaches the 20% of setting and continuously adds raw material from feeding bin again,
Realize the serialization that raw material is added.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of feeding in continuous material device of titanium or titanium alloy short route preparation, which is characterized in that including feeding bin, blanking bin,
First vacuum gate valve, the second vacuum gate valve, spiral conveyor rod, motor and charging line, wherein：
The entrance in feeding bin is arranged in first vacuum gate valve；
It is connected via the second vacuum gate valve between feeding bin and blanking bin；
The discharge port of blanking bin is connected to the charging line；
The spiral conveyor rod is arranged in charging line, and the output shaft of the motor connect with spiral conveyor rod and drives spiral
Continuous rotation feeding is realized in conveying lever rotation；The outlet of charging line extends into working chamber.
2. the feeding in continuous material device of titanium or titanium alloy short route preparation according to claim 1, which is characterized in that described
The volume of blanking bin is more than the volume of feeding bin.
3. the feeding in continuous material device of titanium or titanium alloy short route preparation according to claim 1, which is characterized in that described
Charging line has screw feeding part and blanking part, and bolt feed section is at horizontality and which provided described
Spiral conveyor rod.
4. the feeding in continuous material device of titanium or titanium alloy short route preparation according to claim 3, which is characterized in that described
Blanking part has the angle being bent downward relative to the screw feeding part of charging line.
5. the feeding in continuous material device of titanium or titanium alloy short route preparation according to claim 3, which is characterized in that described
The outlet of blanking bin and the screw feeding part degree in a vertical angle of the charging line are installed.
6. the feeding in continuous material device of titanium or titanium alloy short route preparation according to claim 1, which is characterized in that described
It is additionally provided with ultrasonic vibrator between charging line and blanking bin, is located at the outlet port of blanking bin, for passing through vibration to hinder
Only outlet obstruction.
7. the charging method of feeding in continuous material device according to claim 1, which is characterized in that the charging method include with
Lower step：
Step 1, charging when, add the raw material into feeding bin, close the first and second vacuum gate valves；
It step 2 and then is vacuumized by vacuum pump, vacuumizes after numerical value reaches setting value and open the second vacuum gate valve；
Raw material enters in blanking bin, closes the second vacuum gate valve；
Step 3 is again turned on the first vacuum gate valve, adds raw materials into feeding bin again, closes the first vacuum gate valve and takes out
Then vacuum remains when volume reaches setting ratio when the consumption of raw materials in blanking bin and continuously adds raw material from feeding bin again, installs
The mode of step 2 carries out, and realizes the serialization that raw material is added.
8. charging method according to claim 7, which is characterized in that the vacuum value range vacuumized in step 2≤
5Pa。
9. charging method according to claim 7, which is characterized in that preceding method more includes：It is monitored in feeding process
The volume of the consumption of raw materials of the blanking bin.
10. charging method according to claim 7, which is characterized in that the volume of the blanking bin is more than the appearance of feeding bin
Product, and the consumption of raw materials in blanking bin remains when volume reaches the 20% of setting and continuously adds raw material from feeding bin again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810511704.3A CN108546837A (en) | 2018-05-25 | 2018-05-25 | The feeding in continuous material device and charging method of titanium or titanium alloy short route preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810511704.3A CN108546837A (en) | 2018-05-25 | 2018-05-25 | The feeding in continuous material device and charging method of titanium or titanium alloy short route preparation |
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| Publication Number | Publication Date |
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| CN108546837A true CN108546837A (en) | 2018-09-18 |
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| CN201810511704.3A Pending CN108546837A (en) | 2018-05-25 | 2018-05-25 | The feeding in continuous material device and charging method of titanium or titanium alloy short route preparation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654874A (en) * | 2018-12-05 | 2019-04-19 | 东北大学 | A kind of vertical activation calciner of novel aluminium oxide and method of roasting |
| CN113686150A (en) * | 2021-07-21 | 2021-11-23 | 洛阳双瑞精铸钛业有限公司 | Automatic feeding system and vacuum induction smelting furnace |
| CN113732260A (en) * | 2021-07-21 | 2021-12-03 | 洛阳双瑞精铸钛业有限公司 | Vacuum induction smelting furnace for titanium alloy or zirconium alloy ingot casting and ingot casting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6773259B1 (en) * | 2003-08-05 | 2004-08-10 | Giant Cement Holding Inc. | Continuous solid waste derived fuel feed system for calciner kilns |
| CN102393137A (en) * | 2011-11-03 | 2012-03-28 | 云南新立有色金属有限公司 | Method and device for continuously smelting titanium slag and accurately feeding titanium slag by using direct-current closed electric arc furnace |
| CN103484898A (en) * | 2013-10-10 | 2014-01-01 | 宝纳资源控股(集团)有限公司 | Vacuum high-temperature continuous electrolytic furnace system and electrolytic method |
-
2018
- 2018-05-25 CN CN201810511704.3A patent/CN108546837A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6773259B1 (en) * | 2003-08-05 | 2004-08-10 | Giant Cement Holding Inc. | Continuous solid waste derived fuel feed system for calciner kilns |
| CN102393137A (en) * | 2011-11-03 | 2012-03-28 | 云南新立有色金属有限公司 | Method and device for continuously smelting titanium slag and accurately feeding titanium slag by using direct-current closed electric arc furnace |
| CN103484898A (en) * | 2013-10-10 | 2014-01-01 | 宝纳资源控股(集团)有限公司 | Vacuum high-temperature continuous electrolytic furnace system and electrolytic method |
Non-Patent Citations (1)
| Title |
|---|
| 过世东, 中国农业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654874A (en) * | 2018-12-05 | 2019-04-19 | 东北大学 | A kind of vertical activation calciner of novel aluminium oxide and method of roasting |
| CN113686150A (en) * | 2021-07-21 | 2021-11-23 | 洛阳双瑞精铸钛业有限公司 | Automatic feeding system and vacuum induction smelting furnace |
| CN113732260A (en) * | 2021-07-21 | 2021-12-03 | 洛阳双瑞精铸钛业有限公司 | Vacuum induction smelting furnace for titanium alloy or zirconium alloy ingot casting and ingot casting method |
| CN113686150B (en) * | 2021-07-21 | 2024-04-26 | 洛阳双瑞精铸钛业有限公司 | Automatic charging system and vacuum induction melting furnace |
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Effective date of registration: 20200824 Address after: Room 516, building B1, Longgang science and Technology Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Jiangsu Province 210046 Applicant after: Jiangsu Shangji Hengtong New Material Co., Ltd Address before: 210046 room 526, B1 building, Longgang science and Technology Park, Nanjing economic and Technological Development Zone, Jiangsu Applicant before: SHANGI INSTITUTE FOR ADVANCED MATERIALS (NANJING) Co.,Ltd. |
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Effective date of registration: 20211222 Address after: 210046 rooms 516 and 517, building B1, Longgang Science Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Applicant after: SHANGI INSTITUTE FOR ADVANCED MATERIALS (NANJING) Co.,Ltd. Address before: 210046 Room 516, building B1, Longgang Science Park, Hengyuan Road, Nanjing Economic and Technological Development Zone, Jiangsu Province Applicant before: Jiangsu Shangji Hengtong New Material Co., Ltd |