CN204509386U - The protector of vacuum tank sealing-ring - Google Patents
The protector of vacuum tank sealing-ring Download PDFInfo
- Publication number
- CN204509386U CN204509386U CN201420854216.XU CN201420854216U CN204509386U CN 204509386 U CN204509386 U CN 204509386U CN 201420854216 U CN201420854216 U CN 201420854216U CN 204509386 U CN204509386 U CN 204509386U
- Authority
- CN
- China
- Prior art keywords
- vacuum tank
- curtain
- ring
- sealing
- vacuum
- 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.)
- Expired - Fee Related
Links
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model discloses a kind of protector of vacuum tank sealing-ring, comprise vacuum tank, vacuum tank flange, sealing-ring, air curtain curtain, air curtain curtain support.Vacuum tank is canned container, its open top, and vacuum tank flange is positioned at opening part, along installing sealing-ring in it.Air curtain curtain is fixed on the outer wall of vacuum tank by air curtain curtain support, and the position of air curtain curtain is a little more than sealing-ring, and is positioned at the outside of vacuum tank flange.The utility model can be applicable to the vacuum tank of iron and steel metallurgy enterprise steel-making ladle refining furnace vacuum degasser, and this unit protection vacuum tank sealing-ring, ensures the vacuum tightness of vacuum system.
Description
Technical field
The utility model relates to the protector of sealing-ring, more particularly, relates to the protector of vacuum tank sealing-ring.
Background technology
As Fig. 1, steelworks ladle refining furnace vacuum degasser meets the vacuum tightness of technique needs both at home and abroad at present, and keep vacuum tank sealing most important, vacuum tank sealing-ring inner materials selects viton, outsourcing ceramic insulation thermal fiber.Vacuum chassis is had above second vacuum tank 16, can move on parallel track, vacuum chassis be installed inside second vacuum cover 17, second vacuum cover 17 and fill the small furnace cover 18 that covers whole ladle mouth, second vacuum cover 17 can promote up and down with chassis is dynamic, moves left and right.During smelting, small furnace cover 18 is pressed on ladle 21, prevents the molten steel smelted from splashing and overflows.Vacuum chassis moves to after above the second vacuum tank 16, can the second vacuum cover 17 and the second vacuum tank 16 be made to depart from and compress by knee-action, vacuum tank sealing-ring 19 is arranged on the second vacuum tank flange 20, vacuum chassis declines, second vacuum tank flange 20 compresses vacuum tank sealing-ring 19, second vacuum cover 17 and the second vacuum tank 16 are formed seal, second vacuum tank 16 connects vacuum system through pump-line, start vacuum system, form vacuum state in second vacuum tank 16, ladle 21 is vacuum metling molten steel in vacuum tank.Molten steel is after the second vacuum tank 16 smelting terminates, the second vacuum cover 17 mentioned by vacuum chassis, and now ladle 21 mouthfuls of temperature are quite high, and ladle 21 mouthfuls is from vacuum tank sealing-ring 19 close together, heat radiation, to whole second vacuum tank 16 mouthfuls, makes vacuum tank sealing-ring 19 easily scaling loss.Because small furnace cover 18 covers direct on ladle 21 and steel contacts, complete small furnace cover 18 temperature of firm smelting is quite high, the second vacuum cover 17 mentioned by vacuum chassis, vacuum chassis is movable to the second vacuum tank 16 both sides after mentioning, be transported to subsequent processing after ladle 21 driving of having smelted in the second vacuum tank 16 is sling.In vacuum chassis moving process, above small furnace cover 18 high calorie direct radiation to the mobile vacuum tank sealing-ring 19 passed through, cause the serious scaling loss of vacuum tank sealing-ring 19, such sealing-ring can not play the effect of sealing, have a strong impact on vacuum system vacuum tightness when smelting molten steel, do not reach the vacuum level requirements of technique.
In STEELMAKING PRODUCTION, vacuum metling process need meet the requirement of the shortest vacuum processing time and technique rhythm, makes the abundant vacuum outgas of molten steel and purifying treatment, greatly improves the purity of molten steel, thus produce high-quality product.Quality and the vacuum tightness of smelting molten steel have substantial connection, and vacuum tightness is good, and Molten Steel Cleanliness is high.Therefore vacuum tank sealing can not produce leakage, otherwise cannot meet vacuum metling processing requirement.
In this context, the protector of research vacuum tank sealing-ring is an important ring of vacuum apparatus normal operation, how to ensure the reliability of vacuum tank sealing-ring, becomes a gordian technique.
Vacuum tank and vacuum cover are sealed with employing water seal, at vacuum tank flange, tank is housed, after vacuum cover flange and vacuum tank flange utilize chassis to decline to be connected, tank passes into water, water in tank makes vacuum tank and vacuum cover junction form sealing, and vacuum tank is in the multiple pressure condition of vacuum when making steel, the water inside vacuum tank in half tank can be pumped, containing moisture content in vacuum system, water directly becomes water vapour under the vacuum tank condition of high temperature.Spectrometer analysis gaseous constituent is had during steel-making, smelting personnel reasonably made steel by spectrometer analysis, and after the water in tank becomes water vapour, mass spectrograph can analyze in gas containing a large amount of oxygen and hydrogen, cause steel-making personnel to judge to be forbidden like this, impact is smelted normally.Water vapour becomes the exhaust capacity that waste gas reduces vacuum system, can not ensure effective vacuum tightness.
Through domestic and international patent retrieval, retrieve the tightness system (CN200610092836.4) of vacuum tank, a kind of device for sealed vacuum tank, this vacuum tank is run through by the section bar that has been extruded, wherein vacuum tank has an input aperture and a delivery port, and at least delivery port is provided with the tightness system of the section bar that encirclement has been extruded.A kind of VD stove vacuum tank sealing-ring protector (CN201210230202.6); comprise backplate and backplate jacking system; backplate comprises one for covering the fan ring portion of sealing-ring, and fan ring portion arranged outside one is for placing and take out the holding part of this backplate.
Utility model content
For the sealing-ring life-span existed in prior art is short, cost is high, sealing and vacuum refinement weak effect, the purpose of this utility model is to provide a kind of protector of vacuum tank sealing-ring.
For achieving the above object, the utility model adopts following technical scheme:
According to the utility model, a kind of protector of vacuum tank sealing-ring is provided, it is characterized in that, comprise vacuum tank, vacuum tank flange, sealing-ring, air curtain curtain, air curtain curtain support.Vacuum tank is canned container, its open top, and vacuum tank flange is positioned at opening part, along installing sealing-ring in it.Air curtain curtain is fixed on the outer wall of vacuum tank by air curtain curtain support, and the position of air curtain curtain is a little more than sealing-ring, and is positioned at the outside of vacuum tank flange.
According to an embodiment of the present utility model, the protector of vacuum tank sealing-ring also comprises protection turnover panel, platform trap door support, rotation axis.Platform trap door support is fixed on the outer wall of vacuum tank, and its position is lower than the position of air curtain curtain support.Protection turnover panel is L-shaped rigid element, and it is connected with platform trap door support by rotation axis.
According to an embodiment of the present utility model, the protector of vacuum tank sealing-ring also comprises cylinder, air cylinder support, rotating connector.Air cylinder support is fixed on the outer wall of vacuum tank, and its position is lower than the position of platform trap door support.One end of cylinder connects air cylinder support, the other end connection of rotating web member.Rotating connector connects cylinder and rotation axis respectively.
According to an embodiment of the present utility model, air curtain curtain comprises an annular curtain tracheae, and the inner side of curtain tracheae arranges a curtain nozzle every a segment distance, and curtain tracheae is connected with pneumatic stopping valve.
According to an embodiment of the present utility model, the jet direction of curtain nozzle is towards the center of vacuum tank flange.
According to an embodiment of the present utility model, the opening part of vacuum tank is provided with vacuum cover.
In technique scheme; feature of the present utility model is to provide a kind of protector at steel-making vacuum tank sealing-ring; utilize this device effectively can protect the scaling loss of vacuum tank sealing-ring; prevention vacuum tank leaks when smelting, for steel-making vacuum metling high quality fine work steel provides useful help.
Accompanying drawing explanation
Fig. 1 is the protector schematic diagram of existing vacuum tank sealing-ring;
Fig. 2 a is the protector schematic diagram of the utility model vacuum tank sealing-ring;
Fig. 2 b is the utility model air curtain curtain structure figure.
Embodiment
The technical solution of the utility model is further illustrated below in conjunction with drawings and Examples.
The utility model discloses a kind of protector of vacuum tank sealing-ring, comprise vacuum tank 1, vacuum tank flange 2, sealing-ring 3, air curtain curtain 4, air curtain curtain support 5.Describe structure and the annexation of above-mentioned all parts below in detail.
As shown in Fig. 2 a, Fig. 2 b, vacuum tank 1 is a U-shaped canned container, its open top, and its opening part is provided with vacuum cover 15, and vacuum tank flange 2 is positioned at vacuum tank 1 opening part, and along installing sealing-ring 3 in it, vacuum tank flange 2 is combined with sealing-ring 3 and ensures to seal.Air curtain curtain support 5 is enclosed by welding process and vacuum tank 1 shell one and fixes, and air curtain curtain 4 is weldingly fixed on air curtain curtain support 5.The a little higher than sealing-ring 3 in air curtain curtain 4 installation site, air curtain curtain 4 is separated sealing-ring 3 and high-temperature gas, and it is outside to be arranged on vacuum tank flange 2, encounters air curtain curtain 4 when preventing vacuum cover from declining.
Continue to see Fig. 2 a, Fig. 2 b, platform trap door support 7 is one and is irregularly trapezoidally fixed on the both sides outer wall of vacuum tank 1, and its position is lower than the position of air curtain curtain support 5.Protection turnover panel 6 is arranged on platform trap door support 7 for L-shaped rigid element, protects turnover panel 6 one end to be connected with rotation axis 8, can run up and down.When protection turnover panel 6 is opened, vacuum cover 15 drops to vacuum tank flange 2 place and can not touch.Protection turnover panel 6 drops to above sealing-ring 3, and when running about just in time blocking the medium and small bell of vacuum chassis, radiation is at the position of sealing-ring 3, and vacuum chassis can run to both sides, is therefore arranged on vacuum tank 1 both sides.Rotating connector 11 has 2 circular holes, one end connection of rotating axle 8, the other end connects cylinder 9.The bottom of cylinder 9 connects air cylinder support 10, top connection of rotating web member 11.Air cylinder support 10 is fixed on the both sides outer wall of vacuum tank 1, and its position is lower than the position of platform trap door support 7, and cylinder 9 is fixed on air cylinder support 10, by rotating connector 11, protection turnover panel 6 is moved up and down during cylinder 9 action.
Continue to see Fig. 2 b, air curtain curtain 4 is made up of curtain tracheae 12, curtain nozzle 13 and pneumatic stopping valve 14.Curtain tracheae 12 is an annulus, and the inner side of curtain tracheae 12 arranges a curtain nozzle 13 every a segment distance, and curtain tracheae 12 is connected with pneumatic stopping valve 14.The jet direction of curtain nozzle 13 is towards the center of vacuum tank flange 2.Curtain nozzle 13 is connected with curtain tracheae 12 formation one circle that communicates, and curtain tracheae 12 passes in protection turnover panel 6 bottom, and when so no matter protecting turnover panel 6 to move up and down, air curtain curtain 4 can normally run.Curtain nozzle 13 is provided with certain angle, and improve the area purging sealing-ring 3, curtain nozzle 13 aims at sealing-ring 3 top, ensures to be purged to whole sealing-ring 3.By arriving each curtain nozzle 13 after curtain tracheae 12 air inlet, curtain nozzle 13, with certain pressure ejection gas, forms air curtain curtain 4, effectively reduces the temperature of whole sealing-ring 3.Inlet pipe installs a pneumatic stopping valve 14, can automatically be opened or closed by time variable control, makes the normal air inlet of air curtain curtain 4 pipeline when opening, and disconnects gas during closedown.
Pass through electrical control; vacuum chassis is at standby position; protection turnover panel 6 drops to vacuum tank flange 2 position; vacuum chassis moves opens pneumatic stopping valve 14 simultaneously automatically, and air curtain curtain 4 is opened, and vacuum chassis manages position everywhere; protection turnover panel 6 is opened automatically; vacuum chassis drops to lower limit, and pneumatic stopping valve 14 is closed automatically, and air curtain curtain 4 stops.Steel treatment is complete, and during vacuum chassis rising operation, first automatically open air curtain curtain 4, pneumatic stopping valve 14 sends opening signal final vacuum lid 15 and rises, and vacuum chassis arrives upper limit, and protection turnover panel 6 declines automatically, and chassis moves to standby position, automatic closedown air curtain curtain 4.If operationally protect turnover panel 6, cylinder 9 without opening signal, program setting vacuum chassis cannot decline, operation screen display alarm.
Steel making operation personnel prepare vacuum refining furnace smelting molten steel, and vacuum chassis is in standby position, and both sides protection turnover panel 6 drops to vacuum tank flange 2 upper position; vacuum chassis moves to above vacuum tank 1; automatically open pneumatic stopping valve time mobile, start air curtain curtain 4, protection sealing-ring 3.Vacuum chassis arrives above vacuum tank 1, and protection turnover panel 6 is opened automatically, and open exhaust hood and open spacing, vacuum chassis just can drop to lower limit, closes air curtain curtain, normal smelting molten steel.Smelted air curtain curtain 4 to open, protection turnover panel 6 movement protection sealing-ring 3 after vacuum cover rises, after vacuum chassis moves to standby position, air curtain curtain is closed.If when protecting turnover panel 6 without opening signal; vacuum chassis cannot be reported to the police by step-down operation picture; staff in time can check protection turnover panel 6 situation; encounter problems and can process in time, equipment rear normal use without exception, ensure that vacuum cover declines normal; protection turnover panel 6 is broken when vacuum cover can not be caused to decline; guarantee that protection turnover panel 6 uses normally, available protecting vacuum tank sealing-ring 3, reduces production cost.
Feature of the present utility model is to provide a kind of protector at steel-making vacuum tank sealing-ring; utilize this device effectively can protect the scaling loss of vacuum tank sealing-ring; prevention vacuum tank leaks when smelting, for steel-making vacuum metling high quality fine work steel provides useful help.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the utility model is described, and be not used as restriction of the present utility model, as long as in spirit of the present utility model, all will drop in Claims scope of the present utility model the change of the above embodiment, modification.
Claims (6)
1. a protector for vacuum tank sealing-ring, is characterized in that, comprising:
Vacuum tank, vacuum tank flange, sealing-ring, air curtain curtain, air curtain curtain support;
Described vacuum tank is canned container, its open top, and described vacuum tank flange is positioned at described opening part, along installing described sealing-ring in it;
Described air curtain curtain is fixed on the outer wall of described vacuum tank by described air curtain curtain support, and the position of described air curtain curtain is a little more than described sealing-ring, and is positioned at the outside of described vacuum tank flange.
2. the protector of vacuum tank sealing-ring as claimed in claim 1, is characterized in that, also comprises protection turnover panel, platform trap door support, rotation axis;
Described platform trap door support is fixed on the outer wall of described vacuum tank, and its position is lower than the position of described air curtain curtain support;
Described protection turnover panel is L-shaped rigid element, and it is connected with described platform trap door support by described rotation axis.
3. the protector of vacuum tank sealing-ring as claimed in claim 2, is characterized in that, also comprise cylinder, air cylinder support, rotating connector;
Described air cylinder support is fixed on the outer wall of described vacuum tank, and its position is lower than the position of described platform trap door support;
One end of described cylinder connects described air cylinder support, and the other end connects described rotating connector;
Described rotating connector connects described cylinder and described rotation axis respectively.
4. the protector of vacuum tank sealing-ring as claimed in claim 1; it is characterized in that; described air curtain curtain comprises an annular curtain tracheae, and the inner side of described curtain tracheae arranges a curtain nozzle every a segment distance, and described curtain tracheae is connected with pneumatic stopping valve.
5. the protector of vacuum tank sealing-ring as claimed in claim 4, is characterized in that, the jet direction of described curtain nozzle is towards the center of described vacuum tank flange.
6. the protector of vacuum tank sealing-ring as claimed in claim 1, it is characterized in that, the opening part of described vacuum tank is provided with vacuum cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854216.XU CN204509386U (en) | 2014-12-25 | 2014-12-25 | The protector of vacuum tank sealing-ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420854216.XU CN204509386U (en) | 2014-12-25 | 2014-12-25 | The protector of vacuum tank sealing-ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204509386U true CN204509386U (en) | 2015-07-29 |
Family
ID=53707380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420854216.XU Expired - Fee Related CN204509386U (en) | 2014-12-25 | 2014-12-25 | The protector of vacuum tank sealing-ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204509386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897942A (en) * | 2017-12-07 | 2019-06-18 | 江苏天工工具有限公司 | A kind of vacuum degasser of high-speed steel |
-
2014
- 2014-12-25 CN CN201420854216.XU patent/CN204509386U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109897942A (en) * | 2017-12-07 | 2019-06-18 | 江苏天工工具有限公司 | A kind of vacuum degasser of high-speed steel |
| CN109897942B (en) * | 2017-12-07 | 2020-10-13 | 江苏天工工具有限公司 | Vacuum degassing device for high-speed steel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103134706A (en) | Vacuum temperature measurement sampling system and operation method thereof | |
| CN204509386U (en) | The protector of vacuum tank sealing-ring | |
| CN103225958B (en) | Water-cooling inert gas furnace cover | |
| KR20170071118A (en) | Spray cooled duct for dust collection | |
| CN204404805U (en) | A kind of multifunctional reduction tank slag-draining device | |
| JPS628484B2 (en) | ||
| CN209957821U (en) | Blast furnace tapping chute observation hole structure | |
| CN208815059U (en) | A kind of VOD vacuum oxygen refining furnace oxygen lance mouth automatic switch protective device | |
| CN201530837U (en) | CAS-OB dedusting device | |
| CN104864714A (en) | Secondary water-seal movable hot air sintering and sealing device of sintering machine | |
| CN201220948Y (en) | Apparatus for preventing high temperature directly reduced iron from being reoxidated | |
| CN103194560B (en) | Transmission method of metallized pellet | |
| CN205825720U (en) | A kind of electric furnace water cooled furnace wall | |
| CN205062097U (en) | Tap a blast furnace and use sleeve pipe | |
| CN208917236U (en) | A kind of dedicated sealing gland equipment of smelting production | |
| CN204420582U (en) | For the discharge of phenolic water device of oven gas pipe line | |
| CN203419949U (en) | Improved vacuum degassing device | |
| CN218036522U (en) | Fireproof heat-insulation toughened glass performance detection equipment | |
| CN201858871U (en) | Device for cooling water tank of reduction furnace | |
| CN101519802B (en) | Crystal growth furnace body structure with emergency decompression arrangement | |
| CN207793154U (en) | Coke oven dust device and tamping coke furnace | |
| CN211522244U (en) | Improved high manganese steel refining equipment | |
| CN104864712B (en) | Sintering pallet one-level water-stop solar heat protection transpiration guard apparatus | |
| CN208701170U (en) | A kind of movable type ferrotungsten smelting furnace | |
| CN208308928U (en) | A kind of electroslag remelting dedusting protective cover |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |