CN201214675Y - Brilliant muffle outlet seal stopper - Google Patents
Brilliant muffle outlet seal stopper Download PDFInfo
- Publication number
- CN201214675Y CN201214675Y CNU2008200872378U CN200820087237U CN201214675Y CN 201214675 Y CN201214675 Y CN 201214675Y CN U2008200872378 U CNU2008200872378 U CN U2008200872378U CN 200820087237 U CN200820087237 U CN 200820087237U CN 201214675 Y CN201214675 Y CN 201214675Y
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- CN
- China
- Prior art keywords
- langaloy
- steel plate
- nickel alloy
- aluminum fiber
- high nickel
- Prior art date
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- Expired - Lifetime
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Abstract
The utility model provides a bright muffle furnace outlet seal plug, which comprises an upper fire resistant high nickel alloy steel plate and a lower fire resistant high nickel alloy plate (1). High aluminum fiber (3) is arranged between the upper steel plate and the lower steel plate, which is fixedly integrated with the steel plates through a plurality of high nickel alloy steel connecting rods (2) having high nickel alloy press blocks (4) on one end; the lower high nickel alloy steel plate is designed to consist of four sector-shaped high nickel alloy steel plates (11) arranged symmetrically around the center, and is connected with the high nickel alloy press blocks by means of welding. The high aluminum fiber adopts high aluminum fiber containing 72 percent of Al2O3. The sector-shaped maraging steel plates are 20 millimeters from each other. The bright muffle furnace outlet seal plug has the advantages of improving the reliability, the safety and the service life, reducing the cost for spare parts and the repair expense, significantly reducing the manufacturing cost, significantly eliminating the hidden fire of the set and ensuring the set to run stably.
Description
Technical field
The utility model relates to a kind of clean annealing unit field that is used for stainless steel industry, especially relates to a kind of bright retort furnace exit seal plug with good serviceability and work-ing life.
Background technology
The clean annealing unit is exactly the unit that carries out continuous annealing with in the vertical retort furnace of band steel in hydrogen shield atmosphere of mill milling.This unit comprises coil of strip dolly, Abrollhaspel, welding machine, deviation correcting device, degreasing system, entry loop, bright retort furnace, outlet kink, batches and the coil of strip dolly; The present majority of wherein bright retort furnace equipment is to be provided by Austrian EBNER company.The light retort furnace adopts up type of heating, and horse not is to go up locator means, and promptly horse not is that flange by top hangs in the body of heater, dangle and get final product in oil sealing in its underpart, horse not outside is to be combustion heating chamber, is distributed with 40 burners, and the heat that provides annealing required is provided.Horse not inside is a protective atmosphere, mainly is hydrogen or 75% hydrogen+25% nitrogen.
Horse not internal protection atmosphere sealing by horse not two sealing plugs of entry and exit guarantee.
Existing exit seal plug mainly is made up of resistant to elevated temperatures Langaloy steel plate, High Nickel Steel union lever, Langaloy briquetting and high aluminum fiber, referring to Fig. 3, shown in Figure 4.Be provided with high aluminum fiber between these upper and lower two Langaloy steel plates; These upper and lower two Langaloy steel plates and high aluminum fiber are solidly connected one by a plurality of High Nickel Steel union levers of one end band Langaloy briquetting.Between described Langaloy steel plate and the described Langaloy briquetting is that plane contact is connected.
This retort furnace working temperature is 1150 degree, and therefore higher relatively to the material requirement of sealing plug composition, steel alloy has adopted INCOLOY601H, and that fiber adopts is AL
2O
3Content is 97% high aluminum fiber, and reason is that its stability under hot environment is better.Therefore its price is also higher, and price of spare parts is 1,140,000 Renminbi.
Above-mentioned horse not sealing plug existing problems is that Langaloy steel plate, Langaloy union lever and the Langaloy briquetting of sealing plug below directly exposes in the protective atmosphere of 1150 degree because this exit seal plug is suspended on the cooling section inlet by flange; Owing to be in hot environment for a long time, described Langaloy steel plate produces distortion because of expanding with heat and contract with cold, rough phenomenon appears in the surface, make the stressed stretching of described Langaloy union lever and cause fracture, the Langaloy briquetting that is connected with its plane contact drops and clashes into the stove inlet thereupon, thereby causes the equipment spark and light hydrogen; Described exit seal has 24 Langaloy briquettings beyond the Great Wall, if drop wherein some Langaloy briquetting in operational process, keeps for causing the band steel, causes compressor emergency shutdown, even further may cause catching fire phenomenon and cause serious consequence.Thereby influence its serviceability and work-ing life.
The utility model content
Technical problem to be solved in the utility model is exactly to provide a kind of bright retort furnace exit seal plug with good serviceability and work-ing life at the present situation of above-mentioned prior art.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: a kind of bright retort furnace exit seal plug, comprise upper and lower two resistant to elevated temperatures Langaloy steel plates, and be provided with high aluminum fiber between these upper and lower two Langaloy steel plates; A plurality of High Nickel Steel union levers by one end band Langaloy briquetting between this high aluminum fiber and the described Langaloy steel plate are fixed with one, and it is characterized in that: described Langaloy steel plate down is set to along four fan-shaped Langaloy steel plates of centrosymmetry layout; This fan-shaped Langaloy steel plate and described Langaloy briquetting adopt and are welded to connect.
Owing to adopted above four fan-shaped Langaloy steel plate structures; and fan-shaped Langaloy steel plate and Langaloy briquetting adopt and are welded to connect; having solved sealing plug falls briquetting and causes ignition issues; thereby reduce the machine halt trouble time; and the loss that brings of fault, significantly improve serviceability of the present utility model and work-ing life.
As further improvement of the utility model, described high aluminum fiber adopts AL
2O
3Content is 70～75% high aluminum fiber.Its effect is to have reduced spare part expense and rehabilitation expense, reduces production costs simultaneously.
Spacing between the described fan-shaped Langaloy steel plate can be set to 10～30 millimeters.Spacing the best between the described fan-shaped Langaloy steel plate is set to 20 millimeters; So that assembling of the present utility model and maintenance.
The utility model is owing to adopted a kind of solution to cause the technology of catching fire because of bright retort furnace exit seal plug falls briquetting; mainly the briquetting to exit seal plug bottom high temperature resistant steel plate union lever improves; thoroughly solve the sealing plug and cause the problem of catching fire because of falling briquetting; thereby reduce the machine halt trouble time; reduce the loss that fault is brought, improve bright unit production capacity and avoid occurring fire etc.In addition the filamentary material of sealing plug is selected again, reduced its AL
2O
3Content, thereby reduce spare parts purchasing price and production cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a upward view of the present utility model;
Fig. 3 is a kind of prior art constructions synoptic diagram;
Fig. 4 is the upward view of Fig. 3;
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Fig. 1, Fig. 2 show an embodiment of a kind of bright retort furnace exit seal plug of the utility model, and it comprises upper and lower two resistant to elevated temperatures Langaloy steel plates 1, are provided with high aluminum fiber 3 between these upper and lower two Langaloy steel plates 1; These upper and lower two Langaloy steel plates 1 and high aluminum fiber 3 are solidly connected one by a plurality of High Nickel Steel union levers 2 of one end band Langaloy briquetting 4; Shown in Fig. 1,2.
Described high aluminum fiber 3 adopts AL
2O
3Content is 72% high aluminum fiber.
By the drawing of exit seal plug is understood, detail knowledge its internal structure and welding process and the composition of material analyzed, consider from the angle of security and economy, exit seal is filled in has been gone following improvement:
The existing AL that adopts
2O
3Content be the exit seal plug price of spare parts of 97% high aluminum fiber up to 1,140,000, wherein fiber has just accounted for closely 800,000, the operation stability that it can be under hot environment is better.And the utility model adopts AL
2O
3Content is that 72% high aluminum fiber substitutes it, because AL
2O
3Content be 72% high aluminum fiber 1400 degree with interior also be very stable, and the working temperature of our stove also has only 1150 degree, the fiber expense just can descend 300,000 like this.
24 press 4 block weldings on union lever in, this briquetting 4 also is welded on four blocks of Langaloy steel plates 1 of exit seal plug bottom, even union lever 2 ruptures and also can not cause briquetting 4 to drop like this, thereby can avoid the generation of fire, referring to shown in Figure 1.In case union lever fracture like this, briquetting will drop from stove exit, causes fire.
Again in order to reduce the deflection that steel plate at high temperature causes because of expanding with heat and contract with cold, two blocks of semicircle Langaloy steel plates 1 of exit seal plug bottom are divided into two separately, spacing is 20mm between two blocks of Langaloy steel plates 1 separately, and exit seal plug bottom is just changed into by four blocks of fan-shaped Langaloy steel plates 1 by two blocks of original Langaloy steel plates 1 and forming like this; Referring to shown in Figure 2.
The utility model is by above three corrective measures, and its beneficial effect is to have improved at first widely the exit seal plug In service life, spare part expense and rehabilitation expense have been reduced simultaneously; Next is with AL2O
3Content is that 97% high aluminum fiber changes AL into2O
3Content is 72% high aluminum fiber, has reduced widely production cost, and this expense has just descended 300,000; It three is The reliability of raising equipment and safety in utilization have obviously been eliminated the latent fire hazard of unit, have guaranteed the stable operation of unit.
Claims (3)
1. a bright retort furnace exit seal plug comprises upper and lower two resistant to elevated temperatures Langaloy steel plates (1), is provided with high aluminum fiber (3) between these upper and lower two Langaloy steel plates; A plurality of High Nickel Steel union levers (2) by one end band Langaloy briquetting (4) between this high aluminum fiber (3) and the described Langaloy steel plate (1) are fixed with one, and it is characterized in that: described Langaloy steel plate down is set to along four fan-shaped Langaloy steel plates (11) of centrosymmetry layout; This fan-shaped Langaloy steel plate (11) adopts with described Langaloy briquetting (4) and is welded to connect; Described high aluminum fiber (3) adopts AL
2O
3Content is 70～75% high aluminum fiber.
2. bright retort furnace exit seal plug according to claim 1, it is characterized in that: the spacing between the described fan-shaped Langaloy steel plate (11) is set to 10～30 millimeters.
3. bright retort furnace exit seal plug according to claim 2, it is characterized in that: the spacing between the described fan-shaped Langaloy steel plate (11) is set to 20 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200872378U CN201214675Y (en) | 2008-05-14 | 2008-05-14 | Brilliant muffle outlet seal stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200872378U CN201214675Y (en) | 2008-05-14 | 2008-05-14 | Brilliant muffle outlet seal stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201214675Y true CN201214675Y (en) | 2009-04-01 |
Family
ID=40519881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200872378U Expired - Lifetime CN201214675Y (en) | 2008-05-14 | 2008-05-14 | Brilliant muffle outlet seal stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201214675Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851463A (en) * | 2012-09-17 | 2013-01-02 | 中冶南方(武汉)威仕工业炉有限公司 | Suspended muffle pipe end heat-insulation method |
| CN102851482A (en) * | 2012-09-17 | 2013-01-02 | 中冶南方(武汉)威仕工业炉有限公司 | End heat-insulating structure of suspension muffle tube |
-
2008
- 2008-05-14 CN CNU2008200872378U patent/CN201214675Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102851463A (en) * | 2012-09-17 | 2013-01-02 | 中冶南方(武汉)威仕工业炉有限公司 | Suspended muffle pipe end heat-insulation method |
| CN102851482A (en) * | 2012-09-17 | 2013-01-02 | 中冶南方(武汉)威仕工业炉有限公司 | End heat-insulating structure of suspension muffle tube |
| CN102851482B (en) * | 2012-09-17 | 2014-04-02 | 中冶南方(武汉)威仕工业炉有限公司 | End heat-insulating structure of suspension muffle tube |
| CN102851463B (en) * | 2012-09-17 | 2014-04-09 | 中冶南方(武汉)威仕工业炉有限公司 | Suspended muffle pipe end heat-insulation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090401 |