CN110358891A - A method of optimization VD furnace sealing ring protection - Google Patents
A method of optimization VD furnace sealing ring protection Download PDFInfo
- Publication number
- CN110358891A CN110358891A CN201910622892.1A CN201910622892A CN110358891A CN 110358891 A CN110358891 A CN 110358891A CN 201910622892 A CN201910622892 A CN 201910622892A CN 110358891 A CN110358891 A CN 110358891A
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- resistant protective
- protective cloth
- vacuum
- fire resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
Abstract
The present invention provides a kind of method of optimization VD furnace sealing ring protection, which comprises the described method includes: laying sealing ring；Complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring；Vacuum shielding lid is directly contacted with sealing ring, arc is covered on above sealing ring, is vacuum-treated；Vacuum processing terminates, and lifts the vacuum shielding lid, and tank is fallen on the complex fire resistant protective cloth along slag.To solve exist in the prior art VD furnace it is broken empty after, vacuum tank is along the technical issues of often having high-temperature steel slag to fall because of working environment, cause rubber seal to scorch, influence subsequent vacuum processing leakproofness.While having reached effective protection sealing ring, guarantee easy to operate, low in cost, the low technical effect of the proportion of goods damageds.
Description
Technical field
This application involves steel-making vacuum treatment field more particularly to a kind of methods of optimization VD furnace sealing ring protection.
Background technique
The sealing ring means of defence is mainly used in VD furnace vacuum processing technique.In VD furnace vacuum process, vacuum
Screening cover is directly contacted with VD retort along by sealing ring, carries out screening cover sealing.Therefore, the quality of sealing ring directly influences
Vacuum drying oven sealing effect.
But present inventor during technical solution, has found the above-mentioned prior art extremely in realizing the embodiment of the present application
It has the following technical problems less:
After the broken sky of VD furnace exists in the prior art, vacuum tank often has high-temperature steel slag to fall along because of working environment, leads to rubber
The technical issues of glue sealing ring scorches, and influences subsequent vacuum processing leakproofness.
Apply for content
The embodiment of the present application is deposited by providing a kind of method of optimization VD furnace sealing ring protection to solve in the prior art
After the broken sky of VD furnace, vacuum tank often has high-temperature steel slag to fall along because of working environment, causes rubber seal to scorch, after influencing
Continuous the technical issues of being vacuum-treated leakproofness.
To solve the above-mentioned problems, the embodiment of the present application provides a kind of method of optimization VD furnace sealing ring protection, the side
Method includes: to lay sealing ring；Complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring；By vacuum screen
It covers lid directly to contact with sealing ring, arc is covered on above sealing ring, is vacuum-treated；Vacuum processing terminates, and lifts described
Vacuum shielding lid, tank are fallen on the complex fire resistant protective cloth along slag.
Preferably, the fusing point of the high temperature resistant protective cloth is higher than 1700 DEG C.
Preferably, the material of the high temperature resistant protective cloth be Silicone Rubber Coated glass fabric, basalt fibre flameproof fabric,
One of acrylic fibers cotton fiber flameproof fabric, Nomex flameproof fabric, SM flameproof fabric, blue glass flameproof fabric, aluminium foil flameproof fabric are more
Kind.
Preferably, described that complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring, comprising: will be more
Layer high temperature resistant protective cloth is combined coating, forms the complex fire resistant protective cloth.
Preferably, the complex fire resistant protective cloth includes one or more layers.
Preferably, every layer of complex fire resistant protective cloth of the material is different.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit:
The embodiment of the present application is by providing a kind of method of optimization VD furnace sealing ring protection, which comprises lays
Sealing ring；Complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring；By vacuum shielding lid directly with it is close
Seal contact, arc are covered on above sealing ring, are vacuum-treated；Vacuum processing terminates, and lifts the vacuum shielding lid, tank
It is fallen on the complex fire resistant protective cloth along slag.It is existed in the prior art after the broken sky of VD furnace to solve, vacuum tank
Often there is high-temperature steel slag to fall along because of working environment, rubber seal is caused to scorch, influences the subsequent skill for being vacuum-treated leakproofness
Art problem.While having reached effective protection sealing ring, guarantee easy to operate, low in cost, the low technical effect of the proportion of goods damageds.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the application can
It is clearer and more comprehensible, below the special specific embodiment for lifting the application.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the method for optimization VD furnace sealing ring protection in the embodiment of the present invention；
Specific embodiment
The embodiment of the present application provides a kind of method of optimization VD furnace sealing ring protection, exists in the prior art to solve
After the broken sky of VD furnace, vacuum tank often has high-temperature steel slag to fall along because of working environment, and rubber seal is caused to scorch, and influences subsequent true
Manage the technical issues of leakproofness in vacancy.
Technical solution general thought provided by the invention is as follows: laying sealing ring；Complex fire resistant protective cloth is covered
And it is fixed on described lay on sealing ring；Vacuum shielding lid is directly contacted with sealing ring, arc is covered on above sealing ring,
It is vacuum-treated；Vacuum processing terminates, and lifts the vacuum shielding lid, and tank is fallen along slag in the complex fire resistant protective cloth
On.While having reached effective protection sealing ring, guarantee easy to operate, low in cost, the low technical effect of the proportion of goods damageds.
Technical scheme is described in detail below by attached drawing and specific embodiment, it should be understood that the application
Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques
The restriction of scheme, in the absence of conflict, the technical characteristic in the embodiment of the present application and embodiment can be combined with each other.
Fig. 1 is a kind of flow diagram of the method for optimization VD furnace sealing ring protection of the embodiment of the present invention, as shown in Figure 1,
The described method includes:
Step 110: laying sealing ring；
Step 120: complex fire resistant protective cloth being covered and is fixed on described lay on sealing ring；
Step 130: vacuum shielding lid directly being contacted with sealing ring, arc is covered on above sealing ring, is carried out at vacuum
Reason；
Step 140: vacuum processing terminates, and lifts the vacuum shielding lid, and tank falls anti-in the complex fire resistant along slag
It protects on cloth.
Specifically, laying sealing ring before vacuum processing, complex fire resistant protective cloth is covered and being fixed on institute
It states and lays on sealing ring, form arc-shaped be sealed around sealing ring.Vacuum shielding lid is directly contacted with sealing ring, covering
On sealing ring, it is vacuum-treated.Vacuum processing terminates, and lifts screening cover, and tank is fallen on high temperature protection cloth along slag,
To protect sealing ring.
It using the protective cloth of the complex fire resistant, is protected, sealing ring can sufficiently be protected, be effectively improved
Protection effect.And replacement is convenient, does not influence production and rhythm control.It is tested by three-wheel, discovery sealing ring protective cloth uses
Afterwards, VD furnace is not influenced up to high vacuum time, and the effect of mechanical wing covering can be fully achieved.
Preferably, the fusing point of the complex fire resistant protective cloth is higher than 1700 DEG C.
Specifically, boiling point is that 2360 DEG C of molten iron for just having entered furnace are since the freezing point of the molten steel in furnace is 1064 DEG C
1250-1350 or so, the temperature highest in converter.It generally can achieve 1700 DEG C or so.Temperature after tapping in ladle
1650 or so, so, in order to achieve the effect that protect sealing ring, the fusing point of the complex fire resistant protective cloth should be higher than that 1700
℃。
Preferably, the material of the complex fire resistant protective cloth is Silicone Rubber Coated glass fabric, basalt fibre is prevented
One of fiery cloth, acrylic fibers cotton fiber flameproof fabric, Nomex flameproof fabric, SM flameproof fabric, blue glass flameproof fabric, aluminium foil flameproof fabric
Or it is a variety of.
Preferably, described that complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring, comprising: will be more
Layer high temperature resistant protective cloth is combined coating, forms the complex fire resistant protective cloth.
Preferably, the complex fire resistant protective cloth includes one or more layers.
Preferably, every layer of complex fire resistant protective cloth of the material is different.
Specifically, the number of plies of the complex fire resistant protective cloth can be selected according to the actual situation, list can be
Layer is also possible to multilayer, and can be by selecting every layer of different material, and durable effect and temperature to reach different are wanted
It asks.Sealing ring means of defence provided by the embodiments of the present application is reliable, stablizes, comprehensively, since using this method, has not occurred together
Because protection undue influence VD furnace is vacuum-treated.And replace it is convenient, fast, production gap can be completed, completely eliminate original
Influence of the mechanical wing covering failure to production.Low in cost, easy maintenance simultaneously, single meter reaches 80 furnaces, ton steel using most blast furnace number
Cost is less than 1 yuan.Guarantee that protection effect is excellent, sealing ring replacement number is greatly decreased, and is reduced to mesh by former monthly replace 4-6 times
It is preceding monthly to replace 0.5 time.
The technical solution provided in the embodiment of the present application, has at least the following technical effects or advantages:
The embodiment of the present application is by providing a kind of method of optimization VD furnace sealing ring protection, which comprises lays
Sealing ring；Complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring；By vacuum shielding lid directly with it is close
Seal contact, arc are covered on above sealing ring, are vacuum-treated；Vacuum processing terminates, and lifts the vacuum shielding lid, tank
It is fallen on the complex fire resistant protective cloth along slag.It is existed in the prior art after the broken sky of VD furnace to solve, vacuum tank
Often there is high-temperature steel slag to fall along because of working environment, rubber seal is caused to scorch, influences the subsequent skill for being vacuum-treated leakproofness
Art problem.While having reached effective protection sealing ring, guarantee easy to operate, low in cost, the low technical effect of the proportion of goods damageds.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of method of optimization VD furnace sealing ring protection, which is characterized in that the described method includes:
Lay sealing ring；
Complex fire resistant protective cloth is covered and is fixed on described lay on sealing ring；
Vacuum shielding lid is directly contacted with sealing ring, arc is covered on above sealing ring, is vacuum-treated；
Vacuum processing terminates, and lifts the vacuum shielding lid, and tank is fallen on the complex fire resistant protective cloth along slag.
2. the method as described in claim 1, which is characterized in that the fusing point of the complex fire resistant protective cloth is higher than 1700 DEG C.
3. the method as described in claim 1, which is characterized in that the material of the complex fire resistant protective cloth is Silicone Rubber Coated
Glass fabric, basalt fibre flameproof fabric, acrylic fibers cotton fiber flameproof fabric, Nomex flameproof fabric, SM flameproof fabric, blue glass are anti-
One of fiery cloth, aluminium foil flameproof fabric are a variety of.
4. method as claimed in claim 3, which is characterized in that described to cover complex fire resistant protective cloth and be fixed on described
It lays on sealing ring, comprising:
Multilayer high temperature resistant protective cloth is combined coating, forms the complex fire resistant protective cloth.
5. method as claimed in claim 4, which is characterized in that the complex fire resistant protective cloth includes one or more layers.
6. method as claimed in claim 4, which is characterized in that the mutual not phase of every layer of complex fire resistant protective cloth of the material
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622892.1A CN110358891A (en) | 2019-07-11 | 2019-07-11 | A method of optimization VD furnace sealing ring protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910622892.1A CN110358891A (en) | 2019-07-11 | 2019-07-11 | A method of optimization VD furnace sealing ring protection |
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| Publication Number | Publication Date |
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| CN110358891A true CN110358891A (en) | 2019-10-22 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910622892.1A Pending CN110358891A (en) | 2019-07-11 | 2019-07-11 | A method of optimization VD furnace sealing ring protection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118253A (en) * | 2020-02-20 | 2020-05-08 | 江苏永钢集团有限公司 | Vacuum tank sealing device and method |
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| CN1360639A (en) * | 2000-05-12 | 2002-07-24 | 新日本制铁株式会社 | Ladle refining device and ladle refining method using it |
| CN204455196U (en) * | 2015-02-06 | 2015-07-08 | 山东钢铁股份有限公司 | The anti-roasting device of a kind of anhydrous sealing rubber ring of VD stove |
| CN204625681U (en) * | 2015-06-01 | 2015-09-09 | 重庆钢铁集团设计院有限公司 | A kind of steel-making VD stove vacuum tank sealing-ring protection mechanism |
| CN206843528U (en) * | 2017-05-15 | 2018-01-05 | 南京德克赛斯工业技术有限公司 | RH stoves wind rubber seal with the fire resisting of glass heatproof |
| CN109911900A (en) * | 2019-05-07 | 2019-06-21 | 石河子市丰拓硅材料科技有限公司 | A kind of dedicated gas collecting apparatus of silicon carbide smelting resistance furnace and silicon carbide smelting system |
-
2019
- 2019-07-11 CN CN201910622892.1A patent/CN110358891A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360639A (en) * | 2000-05-12 | 2002-07-24 | 新日本制铁株式会社 | Ladle refining device and ladle refining method using it |
| CN204455196U (en) * | 2015-02-06 | 2015-07-08 | 山东钢铁股份有限公司 | The anti-roasting device of a kind of anhydrous sealing rubber ring of VD stove |
| CN204625681U (en) * | 2015-06-01 | 2015-09-09 | 重庆钢铁集团设计院有限公司 | A kind of steel-making VD stove vacuum tank sealing-ring protection mechanism |
| CN206843528U (en) * | 2017-05-15 | 2018-01-05 | 南京德克赛斯工业技术有限公司 | RH stoves wind rubber seal with the fire resisting of glass heatproof |
| CN109911900A (en) * | 2019-05-07 | 2019-06-21 | 石河子市丰拓硅材料科技有限公司 | A kind of dedicated gas collecting apparatus of silicon carbide smelting resistance furnace and silicon carbide smelting system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118253A (en) * | 2020-02-20 | 2020-05-08 | 江苏永钢集团有限公司 | Vacuum tank sealing device and method |
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Application publication date: 20191022 |