CN211497740U - Two-motor two-flow electron beam cooling bed smelting furnace - Google Patents
Two-motor two-flow electron beam cooling bed smelting furnace Download PDFInfo
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- CN211497740U CN211497740U CN202020051603.5U CN202020051603U CN211497740U CN 211497740 U CN211497740 U CN 211497740U CN 202020051603 U CN202020051603 U CN 202020051603U CN 211497740 U CN211497740 U CN 211497740U
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Abstract
The utility model discloses a two motor two-flow electron beam cold bed smelting furnace, including set on double-deck water-cooling structure furnace body and the bell a set of high-power electron gun, with the horizontal feed system of being connected of furnace body side, set up in the furnace body with feed system be connected smelt the crucible, with smelt the crystallizer that the concise district of crucible is connected, with the supporting ingot pulling device who is connected of crystallizer, be used for observing observation window, the supporting vacuum pumping system of situation in the stove, horizontal feed system has two sets and sets up the both sides at the furnace body respectively, crystallizer and supporting ingot pulling device have two sets ofly, it sets up two liquation guide openings and is connected with the crystallizer respectively to smelt the concise district of crucible. The utility model discloses increased the volume of smelting at every turn, but two ingot castings of coproduction have improved the variety of drawing ingot production efficiency and product specification.
Description
Technical Field
The utility model belongs to the technical field of electron beam melting equipment, concretely relates to two motor two-flow electron beam cold bed smelting furnace.
Background
At present, an electron beam cold bed smelting furnace is one of core equipment for smelting refractory metals, and plays an important role in the smelting of high-end materials. An electron beam melting furnace is a special vacuum metallurgical device. The electron gun can focus several tens to hundreds KW high energy electron beam to generate high temperature and high energy density, and when the high energy electron beam is focused on refractory metal materials such as tungsten, tantalum, niobium, zirconium, etc., the high energy electron beam is melted and impurities are removed, thus achieving the purpose of smelting and purifying. Meanwhile, the metal in the high-temperature melting area needs to drop into a molten pool, is cooled and solidified in a crystallizer (ingot casting crucible), and is formed into ingots through an ingot pulling mechanism. With the rapid development of the aerospace industry and the marine industry, the requirement of high-end metal materials is higher and higher, and the requirement on the efficiency of an electron beam cold bed smelting furnace is higher and higher. The existing electron beam cold bed smelting furnace smelts about 10 tons of spindles every time, the smelting amount can not meet the requirement, only one specified spindle can be produced at one time, the variety is single, and the requirement of specification diversity can not be met.
Therefore, the key point for solving the problem is to research and develop a multi-machine multi-flow electron beam cold bed smelting furnace which can improve the productivity and can simultaneously produce different specifications.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two motor two-flow electron beam cold bed smelting furnace of high yield can the same or the different ingot casting of specification of two specifications of coproduction.
The utility model aims at realizing like this, including set a set of high-power electron gun on double-deck water-cooling structure furnace body and the bell, with the horizontal feed system, the furnace body in be connected of furnace body side set up with feed system be connected smelt the crucible, with smelt the crystallizer that the refining zone of crucible is connected, with the supporting ingot pulling device who is connected of crystallizer, be used for observing interior situation of furnace observation window, supporting vacuum pumping system, horizontal feed system has two sets and sets up the both sides at the furnace body respectively, crystallizer and supporting ingot pulling device have two sets ofly, it sets up two liquations guide port respectively to smelt the refining zone of crucible and is connected with the crystallizer.
The utility model discloses following technological effect has:
1. the feeding adopts the left and right sides feeding, and every side feeding bin contains at least two material frames, has improved the feeding volume, ensures that the weight of smelting the spindle can reach 20 tons each time.
2. Two sets of crystallizers which operate independently and matched ingot pulling devices are adopted, so that the production efficiency and the product specification diversity are improved, and round ingots or square ingots within the range of 20 tons can be smelted.
3. Liquid level monitoring systems are additionally arranged on the left side and the right side, and the ingot pulling time and the ingot pulling speed of the respective pulling ingots are controlled according to the liquid level, so that the automatic liquid level adjustment is realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cross-sectional structure A-A;
in the figure: 1-furnace body, 2-electron gun, 3-transverse feeding system, 4-smelting crucible, 5-crystallizer, 6-ingot pulling device, 7-melt guiding port, 8-horizontal guiding groove, 9-liquid level monitoring device, 10-melting zone, 11-refining zone, 12-ingot casting, arrow-melt flow direction.
Detailed Description
The following description of the present invention is provided with reference to the accompanying drawings, which are not intended to limit the present invention in any way, and any alterations or replacements made based on the teachings of the present invention are all within the protection scope of the present invention.
As shown in the attached drawings 1-2 the utility model discloses a set of high-power electron gun 2 that sets on double-deck water-cooling structure furnace body 1 and the bell, the horizontal charge-in system 3 of being connected with the furnace body side, set up in the furnace body and smelt crucible 4, with smelt crystallizer 5 that crucible refining zone is connected, with the supporting ingot pulling device 6 that is connected of crystallizer, be used for observing observation window, the supporting vacuum pumping system of condition in the stove, horizontal charge-in system 3 has two sets and sets up respectively in the both sides of furnace body 1, crystallizer 5 and supporting ingot pulling device 6 have two sets ofly, it sets up two liquation guide openings 7 and is connected with crystallizer 5 respectively to smelt crucible refining zone.
Each set of the transverse feeding system 3 is provided with at least two feeding frames.
The group of high-power electron guns 2 comprises eight electron guns, wherein four electron guns are positioned above a melting area 10 of the melting crucible, two electron guns are positioned above a refining area 11 of the melting crucible, and two electron guns are respectively positioned above two crystallizers.
The two ingot pulling devices 6 are provided with mutually independent control operation systems, and are controlled by respective controllers to independently operate, so that one ingot or two ingots can be produced simultaneously.
Two sets of liquid level monitoring devices 9 are arranged on the furnace body and are used for respectively monitoring the liquid levels in the two crystallizers in the furnace.
The liquid level monitoring device 9 is including setting up flash observation window, the image comparison device on the furnace body, the flash observation window is connected with the image comparison device electricity, the image comparison device is connected with the controller electricity of pulling ingot device 6 for carry out video monitoring to the crystallizer liquid level, convert the liquid level picture into the signal of liquid level height, and spread into the controller of pulling ingot device with the liquid level signal, through controller control pull ingot opportunity and pull ingot speed.
The inner cavity of the crystallizer 5 is square and/or cylindrical.
The cross-sectional areas of the inner cavities of the two crystallizers 5 are the same or different.
The two-machine two-flow is the short for two sets of crystallization ingot pulling operating mechanisms and two melt overflow guide ports.
The utility model discloses theory of operation and working process: the utility model discloses on the basis of current electron beam cold bed smelting furnace, improve the horizontal feed system 3 of unilateral into the two horizontal feed systems of both sides, improve single crystallizer 5 and supporting ingot pulling device 6 for side by side and can independent operation's two sets separately. During operation, the feeding bins of the feeding systems 3 on the two sides are opened, the feeding frames filled with the raw materials pressed into blocks are transferred into the feeding bins, two feeding frames are placed in each feeding bin, the feeding frames are moved horizontally integrally through the feeding frame transverse moving device, and the lump materials in the feeding frames are pushed into the smelting crucible 4 in the smelting bin. The blocks at the two sides are respectively smelted by two electron guns in the melting zone 10, and the molten liquid flows into the refining zone 11 along the crucible. And the two electron guns are responsible for heating and refining the melt in the refining area 11, and the refined melt flows into the crystallizers 5 at two sides along the melt guide port 7. And the two electron guns are respectively responsible for heating the melt of the crystallizer 5 to ensure the liquidity of the liquid, thereby ensuring the uniformity of the components of the melt. The molten liquid is condensed into a blank in the crystallizer 5, the casting blank is connected with a dummy bar head of the ingot pulling device 6 and slowly moves downwards under the driving of an ingot pulling lead screw of the ingot pulling device 6 to form a continuous casting ingot 12. Meanwhile, the liquid level monitoring devices 9 perform real-time video monitoring on the melt liquid levels in the respective crystallizers 5, convert liquid level pictures into signals of liquid level heights, transmit the liquid level signals to the controllers of the respective ingot pulling devices 6, and automatically adjust and control the respective ingot pulling time and ingot pulling speed through the controllers, so that the melt liquid level is automatically adjusted. If the melt level in one of the crystallizers 5 exceeds the bottom of the horizontal guide groove 8, the melt flows into the other crystallizer 5 through the horizontal guide groove 8, so that the relative balance of the melt in the two crystallizers 5 is kept.
Claims (9)
1. The utility model provides a two motor two-flow electron beam cold hearth smelting furnace, includes a set of high-power electron gun (2) that sets on double-deck water-cooling structure furnace body (1) and the bell, horizontal feed system (3) of being connected with the furnace body side, set up in the furnace body and smelt crucible (4) of being connected with feed system, with smelt crystallizer (5) that the refining district of crucible is connected, with the supporting ingot pulling device (6) of being connected of crystallizer, an observation window, supporting vacuum pumping system for observing the interior situation of stove, characterized by: the horizontal feeding system (3) is provided with two sets which are respectively arranged at two sides of the furnace body (1), the crystallizer (5) and the ingot pulling device (6) matched with the crystallizer are provided with two sets, and the smelting crucible refining area is provided with two melt guide ports (7) which are respectively connected with the crystallizer (5).
2. The two-motor two-flow electron beam cold hearth melting furnace according to claim 1, characterized by: horizontal guide grooves (8) which are communicated with each other are arranged between the two crystallizers (5), the horizontal guide grooves (8) are positioned at the upper parts of the two crystallizers (5), and the upper edges of the horizontal guide grooves (8) are flush with the upper edges of openings of the crystallizers (5) and are used for balancing the melt liquid levels of the two crystallizers.
3. The two-motor two-flow electron beam cold hearth melting furnace according to claim 1, characterized by: each set of transverse feeding system (3) is provided with at least two feeding frames.
4. The two-motor two-flow electron beam cold hearth melting furnace according to claim 1, characterized by: eight high-power electron guns (2) are arranged, wherein four high-power electron guns are positioned above a melting region (10) of the melting crucible, two high-power electron guns are positioned above a refining region (11) of the melting crucible, and two high-power electron guns are respectively positioned above two crystallizers (5).
5. The two-motor two-flow electron beam cold hearth melting furnace according to claim 1, characterized by: the two ingot pulling devices (6) are provided with mutually independent control operation systems.
6. The two-motor two-flow electron beam cold hearth melting furnace according to claim 5, characterized by: two sets of liquid level monitoring devices (9) are arranged on the furnace body and are used for respectively monitoring the liquid levels in the two crystallizers in the furnace.
7. The two-motor two-flow electron beam cold hearth melting furnace according to claim 6, characterized by: the liquid level monitoring device (9) is including setting up flash observation window, the image comparison device on the furnace body, the flash observation window is connected with the image comparison device electricity, the image comparison device is connected with the controller electricity that draws spindle device (6) for carry out video monitoring to the crystallizer liquid level, convert the liquid level picture into the signal of liquid level height, and spread into the controller that draws the spindle device with the liquid level signal, draw the spindle opportunity and draw the spindle speed through controller control.
8. The two-motor two-flow electron beam cold hearth melting furnace according to claim 1, characterized by: the inner cavity of the crystallizer (5) is square and/or cylindrical.
9. The two-motor two-flow electron beam cold hearth melting furnace according to claim 1, characterized by: the cross sections of the inner cavities of the two crystallizers (5) are the same or different in size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020051603.5U CN211497740U (en) | 2020-01-10 | 2020-01-10 | Two-motor two-flow electron beam cooling bed smelting furnace |
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| CN202020051603.5U CN211497740U (en) | 2020-01-10 | 2020-01-10 | Two-motor two-flow electron beam cooling bed smelting furnace |
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| CN211497740U true CN211497740U (en) | 2020-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501457A (en) * | 2020-10-28 | 2021-03-16 | 攀枝花云钛实业有限公司 | Method for smelting titanium or titanium alloy square billet by electron beam cold bed |
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2020
- 2020-01-10 CN CN202020051603.5U patent/CN211497740U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112501457A (en) * | 2020-10-28 | 2021-03-16 | 攀枝花云钛实业有限公司 | Method for smelting titanium or titanium alloy square billet by electron beam cold bed |
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