CN205784571U - Induction melting cold crucible system is used in the preparation of high-melting-point active metal powder - Google Patents
Induction melting cold crucible system is used in the preparation of high-melting-point active metal powder Download PDFInfo
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- CN205784571U CN205784571U CN201620568518.XU CN201620568518U CN205784571U CN 205784571 U CN205784571 U CN 205784571U CN 201620568518 U CN201620568518 U CN 201620568518U CN 205784571 U CN205784571 U CN 205784571U
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Abstract
This utility model belongs to Cold Crucible Melting apparatus field, particularly relate to a kind of high-melting-point active metal powder preparation induction melting cold crucible system, including (2), copper finger (4), water knockout drum (5), pedestal flange (6), backwater base (7) and induction apparatus (8) at the bottom of cold-crucible lobe (1), cold crucible；It is provided with induction apparatus (8) in cold-crucible lobe (1) outside；Ring-type cooling medium chamber (601) it is transversely provided with in pedestal flange (6)；Longitudinally it is provided with backwater channel (602) in pedestal flange (6) central region；Backwater base (7) is placed in pedestal flange (6) bottom；Water knockout drum (5) includes water service pipe (501), backwater cap (502) and flange (503)；Water service pipe (501) is longitudinally inserted into the inner chamber of cold-crucible lobe (1)；The bottom of cold-crucible lobe (1) is fixedly connected with water knockout drum (5) through copper finger (4).This utility model energy loss is little, can effectively prevent heating source from polluting furnace charge.
Description
Technical field
This utility model belongs to Cold Crucible Melting apparatus field, particularly relates to a kind of high-melting-point active metal powder preparation sense
Answer melting cold crucible system.This system is for the equipment of below 30Kg.
Background technology
Induction Melting Technology is the melting means of a kind of advanced person, and it eliminates in fusion process atmosphere and heating source to furnace charge
Pollution.But general process for vacuum induction smelting can not prevent the reaction between furnace charge and crucible, especially golden in melting
When genus or high purity metal, this impact is the most serious.Last century end occurs in that the most advanced a kind of cold crucible vacuum induction
Melting technique.It is that one utilizes cold-crucible (predominantly fine copper, other alloy the most useful) to carry out vacuum induction melting
Method.This kind of method can get rid of the crucible pollution to furnace charge completely.Owing to charge-temperature is higher, and must be by inside cold crucible
Water-cooled maintains, so forming layer of metal scull (being formed by furnace charge metal) between crucible and furnace charge, so the method for kind is also referred to as
Cold wall crucible induction melting (external title Induction Skull Melting).
Although cold wall crucible induction melting can make the melting in a vacuum of high-purity active metal, but itself owing to structure is complicated,
Manufacturing cost height never has large area and popularizes.
Utility model content
A kind of simple in construction is provided in place of this utility model is intended to overcome the deficiencies in the prior art, low production cost,
Energy loss is little, can effectively prevent the high-melting-point active metal powder preparation induction melting cold crucible that furnace charge is polluted by heating source
System.
For solving above-mentioned technical problem, this utility model is realized in.
Induction melting cold crucible system is used in a kind of high-melting-point active metal powder preparation, and it includes cold-crucible lobe, cold earthenware
At the bottom of crucible, copper finger, water knockout drum, pedestal flange, backwater base and induction apparatus；It is provided with at the bottom of cold crucible on bottom described water knockout drum；?
It is provided with induction apparatus outside described cold-crucible lobe.
Ring-type cooling medium chamber it is transversely provided with in described pedestal flange；Longitudinally it is provided with back in described pedestal flange central region
Aquaporin；It is externally provided with water inlet at described pedestal flange；Described water inlet communicates with ring-type cooling medium chamber.
Described backwater base is placed in pedestal flange bottom；It is externally provided with water return outlet at described backwater base；Described water return outlet and backwater
The inner chamber of seat communicates.
Described water knockout drum includes water service pipe, backwater cap and flange；The described end of backwater cap is fixed with the bottom of water knockout drum
Connect；The top of described backwater cap is provided with backwater hole；Described backwater cap inner chamber communicates with the inner chamber of backwater base through backwater channel.
Described water service pipe is longitudinally inserted into the inner chamber of cold-crucible lobe；Inner chamber at described water service pipe outer wall Yu cold-crucible lobe
The first cooling medium back cavity is formed between wall；Return at the bottom of described cold crucible and forming the second cooling medium between backwater cap outer wall
Stream chamber；Described first cooling medium back cavity and the second cooling medium back cavity communicate；The bottom of described cold-crucible lobe is through copper
Finger is fixedly connected with water knockout drum.
As a kind of preferred version, this utility model is provided with electromagnetic shielding ring in described induction apparatus bottom.
Further, this utility model is provided with cooling body at described electromagnetic shielding ring.
Further, cooling body described in the utility model includes cooling tube, water inlet pipe and outlet pipe；Described water inlet pipe leads to
Cross the first seal nipple to communicate with the ring-type cooling medium chamber of pedestal flange；Described outlet pipe passes through the second seal nipple and backwater
The inner chamber of seat communicates.
Further, solid forging structure can be used at the bottom of cold-crucible lobe described in the utility model and cold crucible.
Further, copper finger described in the utility model felt pad I is arranged below.
This utility model, mainly for the following small size vacuum cold wall crucible induction melting equipment of 30kg (containing 30kg), the most effectively holds
Amass the small size vacuum cold wall crucible induction melting equipment at 0.8 to 8L.This kind equipment is mainly used in small-sized castings production or technique is real
Test use.This utility model on the premise of assurance function efficiency, can significantly simplied system structure, effectively reduce production cost with
Maintenance cost.
All use oxygen-free copper solid forging at the bottom of cold crucible lobe in this utility model and cold crucible, ensure key to greatest extent
The material property of parts.
Water-cooling structure in this utility model uses monoblock type series system.First to cold earthenware after cooling water entrance smelting system
Crucible cools down, then is cooled down, the most again from melting system bottom water introducing cold crucible by the aqueduct in cold crucible lobe
System flows out.Adopt and mainly have 2 advantages.
1, according to experimental data, the heat that cold crucible lobe is absorbed during overall melting is most, much larger than cold crucible
The heat that bottom absorbs.On the one hand this is owing under radiant heat transfer during melt high temperature and electromagnetic environment, high hump institute is extremely；Another
Aspect is also in that can form one layer of scull after metal molten at the bottom of cold crucible, the heat transfer coefficient of this scull is often little very than copper
Many, i.e. define one layer of heat resistant layer.So this utility model uses this kind of design.
2, series connection water-cooled can maximally utilise the potential cooling capacity of high-pressure cooling water, and is effectively reduced into returning
The quantity of waterpipe, the simplification for associated equipment, parts and associated mechanisms is of great benefit to, even on cooling water channel
High precision flow all can reduce quantity accordingly.
3, this utility model uses electromagnetic shielding ring mechanism, can reduce energy loss, increases overall electrical efficiency.This mechanism adopts
Form with certain thickness copper ring and circular copper pipe.The thickness of copper ring to consider according to induction apparatus operating frequency.At least ensure
The depth of penetration more than 1.5 times, to ensure divergent magnetic field produced by the induction apparatus of top can effectively be absorbed, and machinery knot
Structure requirement of strength.But also cannot be the generousest, because the generousest heating that will increase electromagnetic shielding ring mechanism, increase on the contrary
Add the loss of electric energy.Copper ring periphery is water flowing copper pipe, is mainly used in cooling down copper ring.The cooling water of copper pipe is from overall smelting system
Middle shunting.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the utility model is described in further detail.Of the present utility model
Protection domain is not only limited to the statement of following content.
Fig. 1 is the overall structure schematic diagram of this utility model system.
Fig. 2 is this utility model water distributor structure schematic diagram.
Fig. 3 is this utility model copper finger part partial structurtes schematic diagram.
Fig. 4 is a kind of design schematic diagram that this utility model electromagnetic shielding ring guides cooling water.
In figure: 1, cold-crucible lobe；2, at the bottom of cold crucible；3, felt pad I；4, copper finger；5, water knockout drum；501, water service pipe；
502, backwater cap；503, flange；504, the first cooling medium back cavity；505, the second cooling medium back cavity；506, backwater hole；
6, pedestal flange；601, ring-type cooling medium chamber；602, backwater channel；603, water inlet；7, backwater base；701, water return outlet；8、
Induction apparatus；9, electromagnetic shielding ring；901, water inlet pipe；902, outlet pipe；903, the first seal nipple；904, cooling tube；905,
Two seal nipples.
Detailed description of the invention
As it can be seen, induction melting cold crucible system is used in the preparation of high-melting-point active metal powder, it includes cold-crucible lobe
1,2, copper finger 4, water knockout drum 5, pedestal flange 6, backwater base 7 and induction apparatus 8 at the bottom of cold crucible；Set on bottom described water knockout drum 5
Have at the bottom of cold crucible 2；It is provided with induction apparatus 8 outside described cold-crucible lobe 1.
Ring-type cooling medium chamber 601 it is transversely provided with in described pedestal flange 6；In described pedestal flange 6 central region longitudinally
It is provided with backwater channel 602；It is externally provided with water inlet 603 at described pedestal flange 6；Described water inlet 603 and ring-type cooling medium chamber
601 communicate.
Described backwater base 7 is placed in pedestal flange 6 bottom；It is externally provided with water return outlet 701 at described backwater base 7；Described water return outlet
701 communicate with the inner chamber of backwater base 7.
Described water knockout drum 5 includes water service pipe 501, backwater cap 502 and flange 503；The end of described backwater cap 502 and Fen Shui
The bottom of device 5 is fixedly connected；The top of described backwater cap 502 is provided with backwater hole 506；Described backwater cap 502 inner chamber leads to through backwater
Road 602 communicates with the inner chamber of backwater base 7.
Described water service pipe 501 is longitudinally inserted into the inner chamber of cold-crucible lobe 1；At described water service pipe 501 outer wall and cold-crucible
The first cooling medium back cavity 504 is formed between the internal chamber wall of lobe 1；At the bottom of described cold crucible 2 and shape between backwater cap 502 outer wall
Become the second cooling medium back cavity 505；Described first cooling medium back cavity 504 communicates with the second cooling medium back cavity 505；
The bottom of described cold-crucible lobe 1 is fixedly connected with water knockout drum 5 through copper finger 4.
This utility model is provided with electromagnetic shielding ring 9 in described induction apparatus 8 bottom.This utility model is at described electromagnetic shielding ring
Cooling body it is provided with at 9.Cooling body described in the utility model includes cooling tube 904, water inlet pipe 901 and outlet pipe 902；Described
Water inlet pipe 901 is communicated with the ring-type cooling medium chamber 601 of pedestal flange 6 by the first seal nipple 903；Described outlet pipe 902
Communicated with the inner chamber of backwater base 7 by the second seal nipple 905.At the bottom of cold-crucible lobe 1 described in the utility model and cold crucible, 2 adopt
Use solid forging structure.Copper finger 4 described in the utility model felt pad I3 is arranged below.
Solid forging is all used to process at the bottom of this utility model cold crucible lobe and cold crucible, the method not using brazing is permissible
Avoid welding the inside parts defect brought.It addition, cold wall crucible induction melting cold crucible system uses " series connection " water-cooling structure, cold
But, after water enters Cold Crucible Melting system, cold crucible lobe is carried out overall cooling simultaneously, then enters cold crucible by inner flow passage
The end, cools down.Cold wall crucible induction melting cold crucible system uses electromagnetic shielding ring mechanism, can reduce energy loss, increases entirety
Electrical efficiency.
Seeing shown in Fig. 1 and Fig. 2, this utility model includes at the bottom of cold-crucible lobe 1, cold crucible 2, felt pad I3, copper finger
4, water knockout drum 5, pedestal flange 6, backwater base 7, induction apparatus 8 and electromagnetic shielding ring 9.
Cooling water enters the ring-type cooling medium chamber 601 of pedestal flange 6 from water inlet 603, continues by water knockout drum 5
Water service pipe 501 enters cold crucible lobe 1, then is back to the second cooling medium back cavity by the first cooling medium back cavity 504
505, cooling water, again through backwater hole 506 and backwater channel 602, is finally directed it to water return outlet 701 by backwater base 7, thus complete
Become once to cool down circulation.
Shown in Figure 2, this utility model water knockout drum is made up of water service pipe 501, backwater cap 502 and flange 503, uses weldering
Access node structure.Water service pipe 501 uses high-quality to process without magnetic austenitic stainless steel pipe.
Shown in Figure 3, there is felt pad I3 below this utility model copper finger 4, simultaneously finger between screw and copper 4 also
There is another felt pad II31 and at copper finger 4 endoporus, (wearing at screw) to carry out insulation processing, it is ensured that copper finger 3 and spiral shell
Mutually insulated between nail and following water knockout drum 5.
A kind of design of cooling water, as shown in Figure 4, the cooling at electromagnetic shielding ring 9 is guided as electromagnetic shielding ring
Water can shunt from the cooling water of Cold Crucible Melting system, and this thinking has multiple method to realize.Fig. 4 illustrates it
A kind of middle method, wherein water inlet pipe 901 passes through the first seal nipple 903 by the cooling moisture stream sub-fraction in pedestal flange 6
Power supply ring shielding magnetism 9 cooling uses, and the cooling water after the cooling tube 904 at electromagnetic shielding ring 9 circulates is connect by the second sealing
904 flow back to backwater base 7, are incorporated to total return pipe.
This utility model, in addition to the equipment of application below 30Kg, also can be applicable to small-sized cold crucible uphill casting equipment, small-sized cold
On the derivative equipment such as crucible directional solidification.
Cold Crucible Melting system in this utility model uses electromagnetic shielding ring mechanism, the alternating electromagnetism dissipating induction apparatus
Magnetic treatment is effectively received in field, had both been possible to prevent electromagnetic field of high frequency that other parts produce inductive loop heating, and can subtract again
Few electromagnetic field is lost the energy loss brought, and this shading ring mechanism also uses water-cooling structure.
It is to be understood that above with respect to specific descriptions of the present utility model, be merely to illustrate this utility model and not
It is limited to the technical scheme described by this utility model embodiment, it will be understood by those within the art that, the most permissible
This utility model is modified or equivalent, to reach identical technique effect；Needs are used, all in this reality as long as meeting
Within novel protection domain.
Claims (6)
1. induction melting cold crucible system is used in a high-melting-point active metal powder preparation, it is characterised in that include cold-crucible
(2), copper finger (4), water knockout drum (5), pedestal flange (6), backwater base (7) and induction apparatus (8) at the bottom of lobe (1), cold crucible；Described point
Hydrophone (5) is provided with (2) at the bottom of cold crucible on bottom；It is provided with induction apparatus (8) in described cold-crucible lobe (1) outside；
Ring-type cooling medium chamber (601) it is transversely provided with in described pedestal flange (6)；Indulge in described pedestal flange (6) central region
To being provided with backwater channel (602)；It is externally provided with water inlet (603) described pedestal flange (6)；Described water inlet (603) is with ring-type
Cooling medium chamber (601) communicates；
Described backwater base (7) is placed in pedestal flange (6) bottom；It is externally provided with water return outlet (701) at described backwater base (7)；Described time
The mouth of a river (701) communicates with the inner chamber of backwater base (7)；
Described water knockout drum (5) includes water service pipe (501), backwater cap (502) and flange (503)；The end of described backwater cap (502)
It is fixedly connected with the bottom of water knockout drum (5)；The top of described backwater cap (502) is provided with backwater hole (506)；Described backwater cap
(502) inner chamber communicates through the inner chamber of backwater channel (602) with backwater base (7)；
Described water service pipe (501) is longitudinally inserted into the inner chamber of cold-crucible lobe (1)；At described water service pipe (501) outer wall and water-cooled earthenware
The first cooling medium back cavity (504) is formed between the internal chamber wall of crucible lobe (1)；At (2) at the bottom of described cold crucible and backwater cap (502)
The second cooling medium back cavity (505) is formed between outer wall；Described first cooling medium back cavity (504) and the second cooling medium
Back cavity (505) communicates；The bottom of described cold-crucible lobe (1) is fixedly connected with water knockout drum (5) through copper finger (4).
High-melting-point active metal powder preparation induction melting cold crucible system the most according to claim 1, its feature exists
In: it is provided with electromagnetic shielding ring (9) in described induction apparatus (8) bottom.
High-melting-point active metal powder preparation induction melting cold crucible system the most according to claim 2, its feature exists
In: it is provided with cooling body at described electromagnetic shielding ring (9) place.
High-melting-point active metal powder preparation induction melting cold crucible system the most according to claim 3, its feature exists
In: described cooling body includes cooling tube (904), water inlet pipe (901) and outlet pipe (902)；Described water inlet pipe (901) is by the
One seal nipple (903) communicates with the ring-type cooling medium chamber (601) of pedestal flange (6)；Described outlet pipe (902) passes through second
Seal nipple (905) communicates with the inner chamber of backwater base (7).
High-melting-point active metal powder preparation induction melting cold crucible system the most according to claim 4, its feature exists
In: at the bottom of described cold-crucible lobe (1) and cold crucible, (2) use solid forging structure.
High-melting-point active metal powder preparation induction melting cold crucible system the most according to claim 5, its feature exists
Felt pad I(3 is arranged below) in: described copper finger (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620568518.XU CN205784571U (en) | 2016-06-14 | 2016-06-14 | Induction melting cold crucible system is used in the preparation of high-melting-point active metal powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620568518.XU CN205784571U (en) | 2016-06-14 | 2016-06-14 | Induction melting cold crucible system is used in the preparation of high-melting-point active metal powder |
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| Publication Number | Publication Date |
|---|---|
| CN205784571U true CN205784571U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620568518.XU Withdrawn - After Issue CN205784571U (en) | 2016-06-14 | 2016-06-14 | Induction melting cold crucible system is used in the preparation of high-melting-point active metal powder |
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| CN (1) | CN205784571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890359A (en) * | 2016-06-14 | 2016-08-24 | 沈阳真空技术研究所 | Induction melting cold crucible system for preparation of active metal powder with high melting point |
| CN108941590A (en) * | 2018-08-14 | 2018-12-07 | 宁波中物力拓超微材料有限公司 | Titanium alloy smelting powder by atomization equipment and preparation process |
-
2016
- 2016-06-14 CN CN201620568518.XU patent/CN205784571U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890359A (en) * | 2016-06-14 | 2016-08-24 | 沈阳真空技术研究所 | Induction melting cold crucible system for preparation of active metal powder with high melting point |
| CN108941590A (en) * | 2018-08-14 | 2018-12-07 | 宁波中物力拓超微材料有限公司 | Titanium alloy smelting powder by atomization equipment and preparation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161207 Effective date of abandoning: 20171117 |
|
| AV01 | Patent right actively abandoned |