CN109539788A - A kind of continuous feed structure for vacuum melting furnace - Google Patents
A kind of continuous feed structure for vacuum melting furnace Download PDFInfo
- Publication number
- CN109539788A CN109539788A CN201811372079.5A CN201811372079A CN109539788A CN 109539788 A CN109539788 A CN 109539788A CN 201811372079 A CN201811372079 A CN 201811372079A CN 109539788 A CN109539788 A CN 109539788A
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- melting furnace
- feed
- hole
- turntable
- vacuum melting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/10—Charging directly from hoppers or shoots
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
- F27B2014/045—Vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0812—Continuously charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Charging Or Discharging (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of continuous feed structures for vacuum melting furnace, including melting furnace body, feed compartment, slide valve, feed compartment is top closed, feed opening is set at the top of feed compartment, airtight valve is set in feed opening, further includes driving device, turntable is set above driving device, annular spread through-hole on turntable, each through-hole top are arranged storage vat, electrically-controlled valve are arranged inside storage vat；Number-mark board is arranged in each through-hole, and identification device is arranged in turntable bottom surface, feed compartment side wall in number-mark memorial tablet；The input terminal of controller is connected with identification device, and the output end of controller is connected with each electrically-controlled valve.It is low for the continuity for the process that feeds when the present invention is to solve vacuum melting furnace in the prior art using feed compartment charging, the problem that worker's whole efficiency is low, time availability is extremely low, it realizes and improves the centrality of vacuum melting furnace feed compartment operation, reduces worker's charging spent time, improve the purpose of whole charging efficiency.
Description
Technical field
The present invention relates to vacuum melting fields, and in particular to a kind of continuous feed structure for vacuum melting furnace.
Background technique
Vacuum melting refers to the extraordinary melting technique for carrying out melting under vacuum conditions.Mainly include vacuum induction melting,
Vacuum arc remelting and electron-beam smelting.With developing by leaps and bounds for modern science and technology, especially opened along with aerospace, ocean
The rapid progression of hair, energy development and electronics industry, to the kind of metal material or nonmetallic materials, yield, especially quality
Propose increasingly higher demands.For vacuum melting, the feeding structure of smelting furnace is than commonly commonly using smelting furnace
Complicated more of feeding mechanism, because the feeding mechanism of vacuum melting furnace is to guarantee feedstock transportation to the position specified, again
The vacuum degree of guarantee system is not destroyed.There are mainly two types of modes for the charging of vacuum melting furnace at present, the first is disposably will
It needs the raw material of melting to be all added in system, is not supplemented feeding in entire fusion process, to guarantee system vacuum
Degree is not affected, but raw material melting terminates every time, it is necessary to and whole system vacuum degree is destroyed, new raw material is rejoined, because
This cannot achieve continuous production using the smelting furnace of this charging mechanism, and production efficiency is relatively low.Another kind charging is to use to add
The mode for expecting room charging, is separated between working chamber and feed compartment with valve, when needing to carry out secondary charging, melting
Room still keeps vacuum state, and only feed compartment is communicated with the atmosphere, and after completing charging, then first vacuumizes to feed compartment, works as feed compartment
After reaching certain vacuum degree, then feed compartment is connected to working chamber, starts melting again, it is thereby achieved that traditional company
Continuous charging and continuous smelting.However this traditional so-called continuous charging, refer to secondary in fusion process or feed three times,
In the adding raw materials into feed compartment, still there can be the problems such as progress is slow, continuity is low, feed compartment opens wide overlong time, and
And each charging requires worker and manually carries out manual operation on feed compartment for a long time, human time's consuming is larger, adjacent
Worker can not leave feed compartment again between casings in twice, need to be ready to charging next time, when leading to worker and busy
And it is idle, whole efficiency is low instead, and time availability is extremely low.
Summary of the invention
The purpose of the present invention is to provide a kind of continuous feed structures for vacuum melting furnace, to solve in the prior art
Low for the continuity for the process that feeds when vacuum melting furnace is fed using feed compartment, worker's whole efficiency is low, time availability
Extremely low problem is realized and improves the centrality of vacuum melting furnace feed compartment operation, reduces worker's charging spent time, improves
The purpose of whole charging efficiency.
The present invention is achieved through the following technical solutions:
A kind of continuous feed structure for vacuum melting furnace, including melting furnace body, setting are above melting furnace body
Feed compartment, slide valve is set between the feed compartment and melting furnace body, and the feed compartment is top closed, sets at the top of feed compartment
Feed opening is set, is connected to inside feed opening and feed compartment, airtight valve is set in feed opening, further includes the drive being arranged at the top of feed compartment
Turntable is arranged in dynamic device, driving device top, and the driving device is for driving turntable to rotate, annular spread N on the turntable
A through-hole, wherein N >=4, each through-hole top are both provided with the storage vat being fixed on turntable, and the storage vat leads to corresponding
Electrically-controlled valve is arranged in hole connection, storage vat inside low level；The feed opening is located at the underface that N number of through-hole surrounds the annulus formed；
Each through-hole is provided with a number-mark board, and the number-mark memorial tablet is set in turntable bottom surface, the feed opening lateral wall
Set identification device, the identification device number-mark board for identification, when a number-mark board face identification device,
Feed opening described in through-hole face corresponding to the number-mark board；It further include controller, the input terminal of the controller and identification
Device be connected, the output end of the controller is connected with each electrically-controlled valve, the controller for control each electrically-controlled valve unlatching and
It closes.
Low for the continuity for the process that feeds when being fed for vacuum melting furnace in the prior art using feed compartment, worker is whole
The extremely low problem of body inefficiency, time availability, the present invention propose a kind of continuous feed structure for vacuum melting furnace, this
Slide valve is for separating melting furnace body and feed compartment in structure, so that being capable of each self-sustaining inside melting furnace body and feed compartment
Vacuum state ensures the normal operation of vacuum melting furnace.Feed compartment is top closed, is only in inside feed compartment and connects from feed opening
It is logical, so that carrying out the addition of raw material from the feed opening at the top of feed compartment.Airtight valve is set in feed opening, it is ensured that feed opening will not
Bring interference when extracting vacuum to feed compartment inside, when airtight valve opening, can by feed opening into feed compartment adding raw materials；
Airtight valve then can not adding raw materials when closing.Driving device is arranged at the top of feed compartment, and turntable is arranged in top, is filled by driving
It sets driving turntable to rotate, the N number of through-hole of annular spread on turntable, above and below through-hole connection turntable, middle setting storage vat on turntable, each
Storage vat corresponds to a through-hole, and electrically-controlled valve is arranged in low level inside storage vat, when electrically-controlled valve is opened, storage vat and corresponding through-hole phase
Connection.Each through-hole is provided with a number-mark board, and the number-mark memorial tablet is on the outside of turntable bottom surface, the feed opening
Identification device, the identification device number-mark board for identification is arranged in wall.Feed compartment, which is located at N number of through-hole and surrounds, to be formed
The underface of annulus, therefore with the rotation of turntable, each through-hole can be one by one by the surface of feed opening, so that each storing
Bucket can also pass through the surface of feed opening one by one.When the present invention is specifically used, worker only needs disposably complete into all storage vats
Portion's adding raw materials simultaneously keep all electrically-controlled valves to be in closed state, and all raw materials added needed for subsequent at this time are temporarily stored in storage
In charging basket, when needing the adding raw materials into melting furnace body, the airtight valve being first turned in feed opening is turned by driving device
Turn disk stops turntable rotation, at this time corresponding to the number identifying plate when identification device recognizes any number-mark board
Feed opening described in through-hole face, identification device send signal to controller, and controller controls to be led to corresponding to the number identifying plate
Electrically-controlled valve in storage vat above hole is opened, and the raw material in the storage vat falls automatically under the effect of gravity, by right
The through-hole answered enters in feed opening.After the stopping of its turntable rotation can also receive the signal of identification device by controller
It is controlled by controller.Since airtight valve is in the open state, enter feed opening in raw material can by feed opening into
Enter in feed compartment, after interior to be fed there are enough raw materials, closes airtight valve and the electrically-controlled valve just in the storage vat of blanking, make
Obtaining becomes confined space in feed compartment, can carry out normally vacuumizing operation into feed compartment at this time, then by opening flashboard
Valve completes normal vacuum melting furnace charging operation.Wherein, after the raw material addition in a storage vat, it is only necessary to continue to rotate
Turntable can switch to next storage vat and continue adding raw materials.The configuration of the present invention is simple, easy to use, worker only needs once
Property raw material is all filled it up with into all storage vats, smelting furnace region can be left and go to carry out other operations, subsequent operation and control
System can be realized completely by long-range or existing control device such as single-chip microcontroller, PLC etc., without wasting remaining working time in melting
Waited at furnace, thus the present invention can efficiently solve in the prior art vacuum melting furnace using feed compartment charging when for
The continuity of charging process is low, the problem that worker's whole efficiency is low, time availability is extremely low, realizes that improving vacuum melting furnace adds
Expect the centrality of room operation, reduce worker's charging spent time, improves the purpose of whole charging efficiency.
Preferably, the airtight valve is butterfly valve.
Preferably, the feed opening is in up big and down small funnel-form.It smoothly falls from feed opening convenient for raw material, raising pair
The access ability of raw material.
Preferably, the driving device is stepper motor.Mention high control precision and accuracy.
Preferably, central angle corresponding between two neighboring through-hole is 60 °.In this programme due to two neighboring through-hole it
Between corresponding central angle be 60 °, therefore altogether can there are six through-hole, it is corresponding can there are six storage vats for using.
Preferably, the number-mark board is bar code, and the identification device is radio frequency identification module.Pass through radio frequency identification
Module scans bar code can be identified quickly and accurately.
Preferably, rubber seal is arranged in the junction of the feed opening and feed compartment.It is improved and is added by rubber seal
Expect the sealing performance between room and feed opening, improves the job stability of feed compartment.
Preferably, the axis collinear of the axis of the through-hole and storage vat, the aperture of the through-hole and the storage vat
Internal diameter is identical.Through-hole and the complete face of storage vat in this programme, the raw material in storage vat can be fallen into through-hole completely, be improved pair
The utilization rate of raw material reduces remaining quantity, being capable of the maximum reduction waste from the use to raw material.
It preferably, further include the level meter that the disk upper surface is set, linear guide, the linear guide crosses turntable
Clump weight is arranged in linear guide in the center of circle, and the clump weight can move in the linear guide.When being filled in each storage vat
When upper equal raw material, turntable center of gravity substantially remains in the center point, and stress is equal in its output end all directions for driving device
It is even, but when the raw material in the storage vat on certain direction is gradually added, turntable center of gravity shifts, the output end of driving device
Unbalance stress, for driving device, load starts to become uneven, and the output end stress of driving device also starts to become to incline
Oblique and unstable, this will lead to the significant decrease of driving device service life, and this programme then leads to precisely in order to overcome the above problem
The structure for crossing linear guide and clump weight, observes operator by level meter, and pushes clump weight straight
It is moved on line guide rail, so as to adjust turntable entirety position of centre of gravity, it is ensured that turntable center of gravity is placed in the middle, it is ensured that driving device stress is equal
It is even, so that it is guaranteed that the service life of driving device.
Preferably, the linear guide is rack gear, and the driving end of the clump weight built-in motor, motor is connected with gear,
The gear is engaged with the rack gear.Motor driven gear wheel rotates on rack gear in this programme, since rack gear is fixed on turntable,
Therefore can only gear along racks turn, so that clump weight be driven to be moved on rack gear, clump weight position is realized with this
Adjustment, improves the degree of automation of the invention.Preferably, the signal realization that can also receive electrolevel by controller is matched
The adjust automatically of pouring weight: electrolevel judges that turntable is tilted to side, after controller receives the signal of electrolevel,
Control motor drives the opposite direction of clump weight towards inclined direction to be moved, until electrolevel monitors that turntable is located again
In level.
Compared with prior art, the present invention having the following advantages and benefits:
A kind of continuous feed structure for vacuum melting furnace of the present invention, worker only need disposably complete into all storage vats
Portion fills it up with raw material, can leave smelting furnace region and go to carry out other operations, without wasting remaining working time at smelting furnace
It is waited, therefore the present invention can be solved efficiently when vacuum melting furnace is fed using feed compartment in the prior art for charging
The continuity of process is low, the problem that worker's whole efficiency is low, time availability is extremely low, realizes and improves vacuum melting furnace feed compartment
The centrality of operation reduces worker's charging spent time, improves the purpose of whole charging efficiency.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the specific embodiment of the invention；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the top view of specific embodiment of the invention turntable；
Fig. 4 is the top view of feed compartment in the specific embodiment of the invention.
Label and corresponding parts title in attached drawing:
1- melting furnace body, 2- feed compartment, 3- slide valve, 4- feed opening, 5- driving device, 6- turntable, 7- airtight valve, 8-
Through-hole, 9- storage vat, 10- electrically-controlled valve, 11- number-mark board, 12- identification device, 13- rubber seal, 14- linear guide,
15- clump weight, 16- level meter.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1:
A kind of continuous feed structure for vacuum melting furnace as shown in Figure 1 to Figure 3, including melting furnace body 1, setting
Slide valve 3, the feed compartment is arranged in feed compartment 2 above melting furnace body 1 between the feed compartment 2 and melting furnace body 1
2 is top closed, and feed opening 4 is arranged at the top of feed compartment 2, is connected to inside feed opening 4 and feed compartment 2, airtight valve is arranged in feed opening 4
7, further include the driving device 5 that 2 top of feed compartment is set, turntable 6 is set above driving device 5, the driving device 5 is used for
Driving turntable 6 rotates, the N number of through-hole 8 of annular spread on the turntable 6, wherein N >=4, is both provided with fixation above each through-hole 8
Storage vat 9 on turntable 6, the storage vat 9 are connected to corresponding through-hole 8, and electrically-controlled valve 10 is arranged in 9 inside low level of storage vat；
The feed opening 4 is located at N number of through-hole 8 around the underface of the annulus formed；Each through-hole 8 is provided with a number-mark board
11, the number-mark board 11 is located at 6 bottom surface of turntable, and identification device 12, the identification device is arranged in 4 lateral wall of feed opening
12 number-mark boards 11 for identification, when a 11 face identification device 12 of number-mark board, the number-mark board 11
Feed opening 4 described in corresponding 8 face of through-hole；It further include controller, the input terminal of the controller is connected with identification device 12,
The output end of the controller is connected with each electrically-controlled valve 10, and the controller is used to control the open and close of each electrically-controlled valve 10.
When the present embodiment is specifically used, worker only needs disposably whole adding raw materials and to keep all electrically-controlled valves into all storage vats 9
It is in closed state, all raw materials added needed for subsequent at this time are temporarily stored in storage vat 9, when needing to melting furnace body
In 1 when adding raw materials, the airtight valve being first turned in feed opening rotates turntable by driving device, when identification device recognizes
When any number-mark board, stop turntable rotation, at this time feed opening described in through-hole face corresponding to the number identifying plate, identification
Device sends signal to controller, and controller controls automatically controlled in the storage vat 9 above through-hole corresponding to the number identifying plate
Valve is opened, and the raw material in the storage vat 9 falls automatically under the effect of gravity, entered in feed opening by corresponding through-hole.
The stopping of its turntable rotation is controlled after can also receiving the signal of identification device by controller by controller.Due to
Airtight valve is in the open state, therefore the raw material entered in feed opening can be entered in feed compartment by feed opening, interior to be fed
After there are enough raw materials, airtight valve and the electrically-controlled valve just in the storage vat of blanking 9 are closed, so that becoming confined air in feed compartment
Between, it can carry out normally vacuumizing operation into feed compartment at this time, then complete normal vacuum melting by opening slide valve
Furnace charging operation.
Embodiment 2:
A kind of continuous feed structure for vacuum melting furnace as shown in Figures 1 to 4, on the basis of embodiment 1, institute
Stating airtight valve 7 is butterfly valve.The feed opening 4 is in up big and down small funnel-form.The driving device 5 is stepper motor.Adjacent two
Corresponding central angle is 60 ° between a through-hole 8.The number-mark board 11 is bar code, and the identification device 12 is radio frequency
Identification module.Rubber seal 13 is arranged in the junction of the feed opening 4 and feed compartment 2.The axis and storage vat of the through-hole 8
The aperture of 9 axis collinear, the through-hole 8 is identical as the internal diameter of the storage vat.It further include being arranged in 6 upper surface of turntable
Level meter 16, linear guide 14, the linear guide 14 crosses the turntable center of circle, clump weight 15 is arranged in linear guide 14, described
Clump weight 15 can move in the linear guide 14.The linear guide 14 be rack gear, 15 built-in motor of clump weight,
The driving end of motor is connected with gear, and the gear is engaged with the rack gear.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of continuous feed structure for vacuum melting furnace, including melting furnace body (1), setting are in melting furnace body (1)
Slide valve (3) are arranged between the feed compartment (2) and melting furnace body (1), which is characterized in that described in the feed compartment (2) of top
Feed compartment (2) is top closed, and feed opening (4) are arranged at the top of feed compartment (2), is connected to, adds inside feed opening (4) and feed compartment (2)
Airtight valve (7) are set in material mouth (4), further include the driving device (5) being arranged at the top of feed compartment (2), driving device (5) top
It is arranged turntable (6), the driving device (5) is for driving turntable (6) to rotate, the N number of through-hole of annular spread on the turntable (6)
(8), wherein N >=4, each through-hole (8) top are both provided with the storage vat (9) being fixed on turntable (6), the storage vat (9)
It is connected to corresponding through-hole (8), internal low level setting electrically-controlled valve (10) of storage vat (9)；The feed opening (4) is located at N number of through-hole
(8) around the underface of the annulus formed；Each through-hole (8) is provided with a number-mark board (11), the number-mark
Board (11) is located at turntable (6) bottom surface, and identification device (12) are arranged in feed opening (4) lateral wall, and the identification device (12) is used
In the identification number-mark board (11), when number-mark board (11) face identification device (12), the number-mark board
(11) feed opening (4) described in through-hole (8) face corresponding to；It further include controller, the input terminal of the controller and identification fill
It sets (12) to be connected, the output end of the controller is connected with each electrically-controlled valve (10), and the controller is for controlling each electrically-controlled valve
(10) open and close.
2. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that described airtight
Valve (7) is butterfly valve.
3. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that the charging
Mouth (4) is in up big and down small funnel-form.
4. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that the driving
Device (5) is stepper motor.
5. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that two neighboring
Corresponding central angle is 60 ° between through-hole (8).
6. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that the number
Sign Board (11) is bar code, and the identification device (12) is radio frequency identification module.
7. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that the charging
Rubber seal (13) are arranged in the junction of mouth (4) and feed compartment (2).
8. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that the through-hole
(8) axis collinear of axis and storage vat (9), the aperture of the through-hole (8) are identical as the internal diameter of the storage vat.
9. a kind of continuous feed structure for vacuum melting furnace according to claim 1, which is characterized in that further include setting
Level meter (16) in the turntable (6) upper surface, linear guide (14) are set, the linear guide (14) crosses the turntable center of circle, directly
Clump weight (15) are set on line guide rail (14), the clump weight (15) can move on the linear guide (14).
10. a kind of continuous feed structure for vacuum melting furnace according to claim 9, which is characterized in that described straight
Line guide rail (14) is rack gear, and clump weight (15) built-in motor, the driving end of motor is connected with gear, the gear with it is described
Rack gear engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372079.5A CN109539788B (en) | 2018-11-16 | 2018-11-16 | Continuous feeding structure for vacuum smelting furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811372079.5A CN109539788B (en) | 2018-11-16 | 2018-11-16 | Continuous feeding structure for vacuum smelting furnace |
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| CN109539788B CN109539788B (en) | 2020-03-20 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440580A (en) * | 2019-09-06 | 2019-11-12 | 爱发科真空技术（沈阳）有限公司 | A kind of multi-purpose vacuum furnace system |
| CN113731293A (en) * | 2021-09-17 | 2021-12-03 | 浙江中纺控股集团有限公司 | Auxiliary agent conveying system |
| CN113897495A (en) * | 2021-10-18 | 2022-01-07 | 江苏镕耀新材料有限公司 | Electron beam smelting furnace capable of feeding materials in middle |
| CN113981246A (en) * | 2021-09-27 | 2022-01-28 | 湖南省金博新材料科技有限公司 | Processing system is smelted in refined antimony environmental protection |
| CN114199029A (en) * | 2021-12-27 | 2022-03-18 | 天通吉成机器技术有限公司 | Feeding device for clean vacuum environment |
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| CN207198632U (en) * | 2017-08-11 | 2018-04-06 | 东莞市同丰高分子材料有限公司 | A kind of auxiliary agent charging device |
| CN207231241U (en) * | 2017-09-04 | 2018-04-13 | 沈阳东大传感技术有限公司 | A kind of more warehouse material alloying devices of vacuum melting furnace |
| CN207815966U (en) * | 2017-10-16 | 2018-09-04 | 湖南旭博冶金科技有限公司 | Vacuum melting furnace secondary charging storehouse |
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| CN110440580A (en) * | 2019-09-06 | 2019-11-12 | 爱发科真空技术（沈阳）有限公司 | A kind of multi-purpose vacuum furnace system |
| CN113731293A (en) * | 2021-09-17 | 2021-12-03 | 浙江中纺控股集团有限公司 | Auxiliary agent conveying system |
| CN113981246A (en) * | 2021-09-27 | 2022-01-28 | 湖南省金博新材料科技有限公司 | Processing system is smelted in refined antimony environmental protection |
| CN113897495A (en) * | 2021-10-18 | 2022-01-07 | 江苏镕耀新材料有限公司 | Electron beam smelting furnace capable of feeding materials in middle |
| CN113897495B (en) * | 2021-10-18 | 2022-03-11 | 江苏镕耀新材料有限公司 | Electron beam smelting furnace capable of feeding materials in middle |
| CN114199029A (en) * | 2021-12-27 | 2022-03-18 | 天通吉成机器技术有限公司 | Feeding device for clean vacuum environment |
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