CN206736297U - A kind of vacuum cycle smelting device, medium frequency induction melting furnace system - Google Patents
A kind of vacuum cycle smelting device, medium frequency induction melting furnace system Download PDFInfo
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- CN206736297U CN206736297U CN201720400652.3U CN201720400652U CN206736297U CN 206736297 U CN206736297 U CN 206736297U CN 201720400652 U CN201720400652 U CN 201720400652U CN 206736297 U CN206736297 U CN 206736297U
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- vacuum
- frequency induction
- medium frequency
- induction melting
- melting furnace
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Abstract
A kind of vacuum cycle smelting device, medium frequency induction melting furnace system are the utility model is related to, including：Medium frequency induction melting furnace, vacuum cycle smelting device, oxygen rifle spray gun jacking system, vacuum feeding device and railcar, vacuum cycle smelting device is arranged on the top of medium frequency induction melting furnace, railcar drives vacuum cycle smelting device to do lifting moving so that vacuum tank and vacuum cover move up and down in vertical direction；Oxygen rifle spray gun jacking system, vacuum feeding device are separately mounted on vacuum cover, and oxygen rifle spray gun jacking system is used to drive oxygen rifle spray gun to free in and out vacuum cover, and vacuum feeding device is used to alloy material is put into vacuum tank under vacuum conditions.The utility model, which has, smelts the advantages of low energy consumption, non-environmental-pollution, metal recovery rate are high, refining efficiency is high.
Description
Technical field
The utility model belongs to vacuum induction heating refining equipment, and in particular to a kind of vacuum cycle smelting device, intermediate frequency
Induction melting steelmaking system.
Background technology
In smelting iron and steel, medium frequency induction melting furnace is difficult to complete the refinery practices such as molten steel dephosphorization, decarburization, its metallurgical matter at present
Amount is difficult to ensure that.During vacuum refining, temperature drop is always greatly a big problem, has a strong impact on continuous casting rhythm or vacuum refining effect
Fruit.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model there is provided a kind of vacuum cycle smelting device, in
Frequency induction melting steelmaking system and method.
The technical problems to be solved in the utility model is achieved through the following technical solutions：
A kind of vacuum cycle smelting device, including molten steel tedge, molten steel down-comer, vacuum tank and vacuum cover, the steel
One end of liquid tedge, one end of the molten steel down-comer are separately positioned on the bottom of vacuum tank, the molten steel tedge it is another
After one end, the other end of the molten steel down-comer insert medium frequency induction melting furnace inner chamber, make vacuum cycle smelting device and hold
A confined space is formed between the liquid level of medium frequency induction melting furnace inner chamber molten steel；
The vacuum cover is movably arranged on the opening of the vacuum tank, and being provided with vacuum sealing on the vacuum cover leads to
Road, vacuum lead is additionally provided with the vacuum cover, the vacuum lead is used to vacuumize vacuum tank.
A kind of medium frequency induction melting furnace system for possessing vacuum dephosphorization decarbonization, desulfuration, including：Medium frequency induction melting furnace, vacuum
Smelting device, oxygen rifle spray gun jacking system, vacuum feeding device and railcar are circulated,
The vacuum cycle smelting device is a kind of above-mentioned vacuum cycle smelting device；
The vacuum cycle smelting device is arranged on the top of the medium frequency induction melting furnace, described in the railcar drives
Vacuum cycle smelting device does lifting moving so that the vacuum tank and the vacuum cover move up and down in vertical direction；
The oxygen rifle spray gun jacking system, the vacuum feeding device are separately mounted on the vacuum cover, the oxygen rifle
Spray gun jacking system is used to drive oxygen rifle spray gun to free in and out vacuum cover, and the vacuum feeding device is used under vacuum conditions to
Alloy material puts into vacuum tank.
A kind of above-mentioned medium frequency induction melting furnace system, a vacuum cycle smelting device correspond to the more Medium frequency inductions
Smelting furnace, refining efficiency is improved with this.
The beneficial effects of the utility model：
1. the utility model melts Medium frequency induction by possessing the medium frequency induction melting furnace system of vacuum dephosphorization decarbonization, desulfuration
Furnace organically combines with equipment for vacuum refining, can make full use of medium frequency induction melting furnace melting, heating, stirring molten steel, and can
The techniques such as dephosphorization, decarburization, desulfurization, dehydrogenation, deoxidation are carried out to molten steel using vacuum plant.The utility model obtains in metallurgical quality
While guarantee, there is the advantages of smelting low energy consumption, non-environmental-pollution, high metal recovery rate；
2. a vacuum cycle smelting device in the utility model can correspond to more medium frequency induction melting furnaces, there is essence
The advantages of refining efficiency high.
The utility model is described in further details below with reference to drawings and Examples.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
For the technological means and effect that the utility model is reached predetermined purpose and taken is expanded on further, below in conjunction with accompanying drawing
And embodiment describes in detail as follows to specific embodiment of the present utility model, architectural feature and its effect.
Reference picture 1, present embodiment discloses a kind of medium frequency induction melting furnace system for possessing vacuum dephosphorization decarbonization, desulfuration
(RHI), the system is filled by medium frequency induction melting furnace 1, vacuum cycle smelting device 2, oxygen rifle spray gun jacking system 3, vacuum charging
Put the composition such as 4, pump-line 5, railcar 6.
Vacuum cycle smelting device 2 is operated by the jacking system 601 of railcar 6 so that vacuum tank 201 and vacuum cover 202 exist
Vertical direction is freely lifted.
Oxygen rifle spray gun jacking system 3 and vacuum feeding device 4 are arranged on vacuum cover.Oxygen rifle spray gun can free in and out very
Sky lid, alloy material, Dephosphorising agent etc. can be with input vacuum tanks 201 under vacuum.
RHI refining process is as follows：
After medium frequency induction melting furnace melting batch, railcar carries vacuum cycle smelting device and drives into medium frequency induction melting furnace
Smelt station.Under the driving of railcar jacking system, two pipelines insertion of vacuum cycle smelting device has the sense of molten steel
Certain depth in answering, make to form a confined space between vacuum cycle device and molten steel liquid level.Start vavuum pump, this is closed
Space is evacuated to 20kPa, and keeps.To the tedge Argon of vacuum cycle device, the steel in medium frequency induction melting furnace is driven
Liquid enters vacuum chamber by the tedge of vacuum cycle device, flows back to medium frequency induction melting furnace by down-comer, realizes that molten steel vertically follows
Circulation moves.
By non-consumable formula oxygen rifle in vacuum tank to molten steel oxygen blast, reach decarburization purpose.
Dephosphorising agent is sprayed to molten steel in vacuum tank by podwer gun, reaches dephosphorization purpose.
By medium frequency induction melting furnace turndown, reach to slag tap and change slag.
Situation is sampled according to thermometric, molten steel temperature can be adjusted with sensing heating.
Activation system booster vacuum pump, system vacuum is evacuated to 67Pa, maintains certain time, reach dehydrogenation, deoxidation
Purpose.
Different material are added by vacuum feed bin, reach the purpose of desulfurization, reduction.
More specifically, the purpose of the present embodiment is to provide a kind of reliable working performance, cost is low, stable, efficiency high
The medium frequency induction melting furnace device (RHI) for possessing vacuum dephosphorization decarbonization, desulfuration.To reach above-mentioned purpose, the technology of the present embodiment
Scheme is as follows：
A kind of medium frequency induction melting furnace device (RHI) for possessing vacuum dephosphorization decarbonization, desulfuration, including：
One is used for medium frequency induction melting furnace.
One is set above medium frequency induction melting furnace, and the vacuum cycle smelting device that can be freely lifted and move horizontally, work
When making, vacuum cycle smelting device is transported to medium frequency induction melting furnace station, two pipes of vacuum cycle smelting device by railcar
Road, i.e. molten steel tedge and molten steel down-comer, lower into certain depth in medium frequency induction melting furnace molten steel, make vacuum cycle smelting
Refine and a confined space is formed between device and molten steel liquid level.
The i.e. available sensing heating compensation temperature drop of the device, can carry out vacuum refining to molten steel again, coordinate suitable smelting
Sweetening process, complete dephosphorization, decarburization, desulfurization, dehydrogenation, deoxidation, the liquid steel refining such as temperature is uniform, composition is uniform.
The vacuum cycle smelting device of the present embodiment is made up of the vacuum tank with two pipelines and vacuum cover.It is described
One equipment for vacuum refining carried by railcar is set above medium frequency induction melting furnace, and the equipment for vacuum refining, which has, to be blown
Oxygen, dust, vacuum charging function
In the present embodiment, vacuum chamber is made up of vacuum tank, vacuum cover etc..Vacuum trench bottom sets two pipelines, i.e. molten steel
Tedge and molten steel down-comer.Vacuum cover can lift simultaneously with vacuum tank, also can independent-lifting.Set vacuum close on vacuum cover
Seal passage, oxygen rifle spray gun elevating mechanism, vacuum feeding device.Vacuum suction pipeline is set on vacuum cover, can be in different smeltings
Position combines from different medium frequency induction melting furnaces.After vacuum tank separates with vacuum cover, vacuum tank can be maintained easily.In vacuum
Covering also includes an oxygen rifle spray gun jacking system.In the present embodiment, a vacuum feeding device is also included on vacuum cover.And
And a vacuum circulating degasser in the present embodiment can correspond to more medium frequency induction melting furnaces, refining efficiency is very high.
By above-mentioned analysis, the present embodiment uses medium frequency induction melting furnace melting, heating, stirring molten steel, this implementation
Example uses the refining such as vacuum cycle smelting device dephosphorization, decarburization, desulfurization, deoxidation, dehydrogenation.
The present embodiment additionally provides a kind of medium frequency induction melting furnace method of vacuum dephosphorization decarbonization, desulfuration, uses above-mentioned one
Kind possesses the medium frequency induction melting furnace system of vacuum dephosphorization decarbonization, desulfuration, and this method comprises the following steps：
Step 1: medium frequency induction melting furnace melts furnace charge, railcar carries vacuum cycle smelting device and drives into Medium frequency induction
Smelting furnace smelts station, and molten steel tedge, the molten steel down-comer of vacuum cycle smelting device insert medium frequency induction melting furnace steel
In liquid, make to form a confined space between vacuum cycle device and molten steel liquid level；
Step 2: starting vavuum pump, this confined space is evacuated to 20kPa, and keep；
Step 3: to the tedge blowing argon gas of vacuum cycle device, the molten steel in medium frequency induction melting furnace is driven by vacuum
The tedge of EGR enters vacuum tank, and medium frequency induction melting furnace is back to by down-comer, realizes that molten steel vertical circulation flows；
Step 4: oxygen rifle spray gun jacking system drives oxygen rifle to enter in vacuum tank, to the molten steel oxygen blast in the vacuum tank,
Reach the purpose of decarburization；Or oxygen rifle spray gun jacking system drives podwer gun to enter in vacuum tank, to the steel in the vacuum tank
Liquid sprays Dephosphorising agent, reaches the purpose of dephosphorization；
Step 5: alloy material is put into vacuum tank, reach desulfurization, the purpose of reduction.
The present embodiment is by possessing the medium frequency induction melting furnace system of vacuum dephosphorization decarbonization, desulfuration, medium frequency induction melting furnace
Organically combined with equipment for vacuum refining, medium frequency induction melting furnace melting, heating, stirring molten steel can be made full use of, and can utilizes
Vacuum plant carries out the techniques such as dephosphorization, decarburization, desulfurization, dehydrogenation, deoxidation to molten steel.The present embodiment is guaranteed in metallurgical quality
Meanwhile the advantages of with low energy consumption, non-environmental-pollution, high metal recovery rate is smelted；A vacuum cycle smelting in the present embodiment
Refining device can correspond to more medium frequency induction melting furnaces, have the advantages of refining efficiency is high.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (3)
1. a kind of vacuum cycle smelting device, it is characterised in that including molten steel tedge, molten steel down-comer, vacuum tank and vacuum
Lid, one end of the molten steel tedge, one end of the molten steel down-comer are separately positioned on the bottom of vacuum tank, on the molten steel
After the other end of riser, the other end of the molten steel down-comer insert medium frequency induction melting furnace inner chamber, vacuum cycle is set to smelt dress
Put and be contained in sensing furnace chamber molten steel liquid level between formed a confined space；
The vacuum cover is movably arranged on the opening of the vacuum tank, and vacuum sealing passage, institute are provided with the vacuum cover
State and vacuum lead is additionally provided with vacuum cover, the vacuum lead is used to vacuumize vacuum tank.
A kind of 2. medium frequency induction melting furnace system, it is characterised in that including：Medium frequency induction melting furnace, vacuum cycle smelting device,
Oxygen rifle spray gun jacking system, vacuum feeding device and railcar, the vacuum cycle smelting device are one described in claim 1
Kind vacuum cycle smelting device；
The vacuum cycle smelting device is arranged on the top of the medium frequency induction melting furnace, and the railcar drives the vacuum
Circulation smelting device does lifting moving so that the vacuum tank and the vacuum cover move up and down in vertical direction；
The oxygen rifle spray gun jacking system, the vacuum feeding device are separately mounted on the vacuum cover, the oxygen rifle spray gun
Jacking system is used to drive oxygen rifle spray gun to free in and out vacuum cover, and the vacuum feeding device is used under vacuum conditions by alloy
Material input vacuum tank.
3. a kind of medium frequency induction melting furnace system as claimed in claim 2 a, it is characterised in that vacuum cycle is smelted
Device corresponds to the more medium frequency induction melting furnaces, and refining efficiency is improved with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400652.3U CN206736297U (en) | 2017-04-17 | 2017-04-17 | A kind of vacuum cycle smelting device, medium frequency induction melting furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720400652.3U CN206736297U (en) | 2017-04-17 | 2017-04-17 | A kind of vacuum cycle smelting device, medium frequency induction melting furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206736297U true CN206736297U (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720400652.3U Expired - Fee Related CN206736297U (en) | 2017-04-17 | 2017-04-17 | A kind of vacuum cycle smelting device, medium frequency induction melting furnace system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043844A (en) * | 2017-04-17 | 2017-08-15 | 西安科技大学 | A kind of vacuum cycle smelting device, medium frequency induction melting furnace system and method |
-
2017
- 2017-04-17 CN CN201720400652.3U patent/CN206736297U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043844A (en) * | 2017-04-17 | 2017-08-15 | 西安科技大学 | A kind of vacuum cycle smelting device, medium frequency induction melting furnace system and method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20190827 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20190827 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20210417 |
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| CF01 | Termination of patent right due to non-payment of annual fee |