CN203948479U - Cold rolled annealed stove furnace roller bearing combination sealing arrangement - Google Patents
Cold rolled annealed stove furnace roller bearing combination sealing arrangement Download PDFInfo
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- CN203948479U CN203948479U CN201420388270.XU CN201420388270U CN203948479U CN 203948479 U CN203948479 U CN 203948479U CN 201420388270 U CN201420388270 U CN 201420388270U CN 203948479 U CN203948479 U CN 203948479U
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- annular
- water cooled
- furnace roller
- bearing support
- sleeve
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims description 15
- 238000012856 packing Methods 0.000 claims description 15
- 238000007666 vacuum forming Methods 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 7
- 239000011449 brick Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Furnace Details (AREA)
Abstract
The utility model relates to cold rolled annealed furnaceman's skill apparatus field, is specifically related to a kind of cold rolled annealed stove furnace roller bearing combination sealing arrangement.A cold rolled annealed stove furnace roller bearing combination sealing arrangement, is characterized in that: it comprises thermal insulation sleeve and water cooled seal bearing support, between described thermal insulation sleeve and water cooled seal bearing support, is tightly connected; Described thermal insulation sleeve seal is fixed on furnace wall, on described water cooled seal bearing support, bearing is installed.This device can effectively stop hot gas in oil leakage and stove to flow out, and improves strip quality and bearing working life, realizes good economic benefit and social benefit.
Description
Technical field
The utility model relates to cold rolled annealed furnaceman's skill apparatus field, is specifically related to a kind of cold rolled annealed stove furnace roller bearing combination sealing arrangement.
Background technique
Current heat treatment furnace (particularly silicon steel is produced cold rolled annealed stove field) adopts furnace rolls road conveyor belt steel, furnace roller is positioned at stove, two ends are arranged on furnace wall: first on the resistance to material in furnace wall, design perforate, then at opening furnace walls place welded and installed plate, for bearing block for furnace roller is installed; The minimum place in the gap between high temperature aluminum brick and furnace roller is 10mm; The high temperature aluminum brick near furnace wall place be also provided with between furnace roller together with high temperature fire-protection ring.Wherein high temperature aluminum brick and fire-protection ring form respectively first thermal insulation (stopping most hot air flows) and second thermal insulation (further dwindling hot-fluid gap).This design, the gap between high temperature aluminum brick and furnace roller is still larger, and the high-temperature gas in stove easily spreads to bearing support along the gap between furnace roller brick and furnace roller, and bearing support and bearing temperature are higher, easily aging.And adopt common mechanical sealing cannot stop lubricant oil in bearing to permeate (and high temperature also can be accelerated the infiltration of lubricant oil) in stove, traditional seal ring cannot bear high temperature, and (furnace temperature is up to 1100 ℃, seal ring place temperature is also over 500 ℃), and oil leakage is very large on strip quality impact, it meets and forms granule after high temperature cabonization and affect furnace atmosphere in stove, or with belt steel surface generation chemical reaction, or cryogenic temperature condensation becomes oil particles at the place of coming out of the stove, contaminated zone steel affects follow-up coating operation.
Model utility content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of cold rolled annealed stove furnace roller bearing combination sealing arrangement, this device can effectively stop hot gas in oil leakage and stove to flow out, improve strip quality and bearing working life, realize good economic benefit and social benefit.
For achieving the above object, technical solution adopted in the utility model is:
A cold rolled annealed stove furnace roller bearing combination sealing arrangement, is characterized in that: it comprises thermal insulation sleeve and water cooled seal bearing support, between described thermal insulation sleeve and water cooled seal bearing support, is tightly connected; Described thermal insulation sleeve seal is fixed on furnace wall, on described water cooled seal bearing support, bearing is installed;
Described thermal insulation sleeve comprises certain length sleeve, and the two ends of described sleeve are equipped with flange, and the inside of sleeve is provided with fiber vacuum forming piece, and described fiber vacuum forming piece center offers ladder-type or horn shape circular hole; During installation, the flange seal of sleeve one end is fixed on furnace wall, and the minimum clearance of furnace roller and fiber vacuum forming piece center circular-hole internal-wall remains in 5mm;
Described water cooled seal bearing support top is connected with bearing seal, and bottom is provided with flange, and this flange is connected with the flange seal of the sleeve the other end; Described water cooled seal bearing support middle part is provided with annular water-cooling groove; Inside, described water cooled seal bearing support top is provided with cambered surface groove, is provided with an annular machinery sealing block matching with this cambered surface, this annular machinery sealing block and cambered surface groove close contact in groove; Between the mechanical sealing block of described annular and bearing, be provided with spring; The inner side of the mechanical sealing block of described annular is provided with O-ring seals and lip-type packing, and described O-ring seals and lip-type packing lay respectively at middle part and the top of annular mechanical sealing block, during installation, O-ring seals and lip-type packing all with furnace roller close contact.
The mechanical sealing block of described annular is provided with annular boss near spring one side, and one end of described spring is enclosed within on this annular boss.
Described O-ring seals and/or lip-type packing are that silicone rubber or fluorine rubber are made.
The beneficial effects of the utility model are:
(1) the utility model has reduced leaking of hot gas in stove by reducing the gap of furnace roller and fiber vacuum forming piece, utilizes the heat-shielding performance of the fiber vacuum forming piece of certain length to stop hot gas to flow to bearing, forms first cooling; Water-cooled design forming second on bearing support cooling, and being used in combination with the twice cooling in script stove, significantly reduces the temperature at bearing support place (by analysis 250 ℃ of left and right, far below before 500 ℃); O-ring seals and lip-type packing form a double sealing structure, stop oil leakage; The utility model adopts the mode of multi-sealed and multiple cooling combination can effectively stop hot gas in oil leakage and stove to flow out, and raising strip quality and bearing working life, realizes good economic benefit and social benefit;
(2) in the utility model, there is annular boss design annular mechanical sealing block and spring joint, and fixedly main spring, prevents its skew;
(3) the O-ring seals lip-type packing in the utility model is that silicone rubber or fluorine rubber are made, and silicone rubber or fluorine rubber can 300 ℃ of heatproofs (higher than 250 ℃), and economical and practical.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the A-A cross-sectional schematic (only comprising water cooled seal bearing support part in figure) of Fig. 1.
Fig. 3 is the B-B cross-sectional schematic of Fig. 1.
In figure: 1-furnace roller, 2-furnace wall, 3-bearing, 4-sleeve, 5-fiber vacuum forming piece, 6-water cooled seal bearing support, 7-annular water-cooling groove, the mechanical sealing block of 8-annular, 9-O shape seal ring, 10-lip-type packing, 11-spring.
Embodiment
In order better to understand the utility model, below in conjunction with accompanying drawing and specific embodiments, the utility model is further described.
As Figure 1-3, a kind of cold rolled annealed stove furnace roller bearing combination sealing arrangement, it comprises thermal insulation sleeve and water cooled seal bearing support 6, between described thermal insulation sleeve and water cooled seal bearing support 6 (axially) be tightly connected; Described thermal insulation sleeve seal is fixed on furnace wall 2, on described water cooled seal bearing support 6, bearing 3 is installed;
Described thermal insulation sleeve comprises that certain length sleeve 4(preferred length is 100-150mm), the two ends of described sleeve 4 are equipped with flange, it is ceramic fiber vacuum forming piece that the inside of sleeve 4 is provided with fiber vacuum forming piece 5(, the length of described ceramic fiber vacuum forming piece is to be slightly longer than sleeve 4, and contact with refractory material in stove), described fiber vacuum forming piece 5 centers offer ladder-type or horn shape circular hole; During installation, the flange seal of sleeve 4 one end is fixed on that on furnace wall 2, (this flange is welded on the outside steel plate of furnace roller 1 by pressure-tight weld, and be positioned at the tapping of furnace roller 1), the minimum clearance of furnace roller 1 and fiber vacuum forming piece 5 center circular-hole internal-walls remains on 5mm, and (described sleeve 4 is between furnace wall 2 and water cooled seal bearing support 6 with interior, furnace roller 1 end is successively through circular hole, water cooled seal bearing support 6 and the bearing 3 of fiber vacuum forming piece 5 centers, and concentrics all);
Described water cooled seal bearing support 6(is formed by plain shaft bearing transformation) top and bearing 3 be tightly connected, and bottom is provided with flange, and this flange is connected with the flange seal of sleeve 4 the other ends; Described water cooled seal bearing support 6 middle parts are provided with on annular water-cooling groove 7(annular water-cooling groove 7 intake-outlet); Described water cooled seal bearing support 6 inside, top are provided with cambered surface groove, are provided with an annular machinery sealing block 8 matching with this cambered surface, this annular machinery sealing block 8 and cambered surface groove close contact in groove; Between the mechanical sealing block 8 of described annular and bearing 3, be provided with (compression) spring 11; The inner side of the mechanical sealing block 8 of described annular is provided with O-ring seals 9 and lip-type packing 10, described O-ring seals 9 and lip-type packing 10 lay respectively at middle part and top (opening of lip-type packing 10 is towards bearing 3 directions) of annular mechanical sealing block 8, during installation, O-ring seals 9 and lip-type packing 10 all with furnace roller 1 close contact (furnace roller 1 is through the mechanical sealing block 8 of annular).
The mechanical sealing block 8 of described annular is provided with annular boss near spring 11 1 sides, and one end of described spring 11 is enclosed within (the other end of spring 11 is against on bearing 3) on this annular boss.
More than explanation is only Application Example of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalence of therefore doing according to the utility model claim changes, and still belongs to protection domain of the present utility model.
Claims (3)
1. a cold rolled annealed stove furnace roller bearing combination sealing arrangement, is characterized in that: it comprises thermal insulation sleeve and water cooled seal bearing support (6), between described thermal insulation sleeve and water cooled seal bearing support (6), is tightly connected; It is upper that described thermal insulation sleeve seal is fixed on furnace wall (2), and bearing (3) is installed on described water cooled seal bearing support (6);
Described thermal insulation sleeve comprises certain length sleeve (4), the two ends of described sleeve (4) are equipped with flange, the inside of sleeve (4) is provided with fiber vacuum forming piece (5), and described fiber vacuum forming piece (5) center offers ladder-type or horn shape circular hole; During installation, it is upper that the flange seal of sleeve (4) one end is fixed on furnace wall (2), and furnace roller (1) remains in 5mm with the minimum clearance of fiber vacuum forming piece (5) center circular-hole internal-wall;
Described water cooled seal bearing support (6) top and bearing (3) are tightly connected, and bottom is provided with flange, and this flange is connected with the flange seal of sleeve (4) the other end; Described water cooled seal bearing support (6) middle part is provided with annular water-cooling groove (7); Described water cooled seal bearing support (6) inside, top is provided with cambered surface groove, is provided with an annular machinery sealing block (8) matching with this cambered surface, this annular machinery sealing block (8) and cambered surface groove close contact in groove; Between the mechanical sealing block of described annular (8) and bearing (3), be provided with spring (11); The inner side of the mechanical sealing block of described annular (8) is provided with O-ring seals (9) and lip-type packing (10), described O-ring seals (9) and lip-type packing (10) lay respectively at middle part and the top of annular mechanical sealing block (8), during installation, O-ring seals (9) and lip-type packing (10) all with furnace roller (1) close contact.
2. cold rolled annealed stove furnace roller bearing combination sealing arrangement according to claim 1, is characterized in that: the mechanical sealing block of described annular (8) is provided with annular boss near spring (11) one sides, and one end of described spring (11) is enclosed within on this annular boss.
3. cold rolled annealed stove furnace roller bearing combination sealing arrangement according to claim 1, is characterized in that: described O-ring seals (9) and/or lip-type packing (10) are made for silicone rubber or fluorine rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388270.XU CN203948479U (en) | 2014-07-15 | 2014-07-15 | Cold rolled annealed stove furnace roller bearing combination sealing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388270.XU CN203948479U (en) | 2014-07-15 | 2014-07-15 | Cold rolled annealed stove furnace roller bearing combination sealing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203948479U true CN203948479U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388270.XU Active CN203948479U (en) | 2014-07-15 | 2014-07-15 | Cold rolled annealed stove furnace roller bearing combination sealing arrangement |
Country Status (1)
| Country | Link |
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| CN (1) | CN203948479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088910A (en) * | 2014-07-15 | 2014-10-08 | 中冶南方(武汉)威仕工业炉有限公司 | Combined sealing device for furnace roller bearing of cold rolling annealing furnace |
-
2014
- 2014-07-15 CN CN201420388270.XU patent/CN203948479U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088910A (en) * | 2014-07-15 | 2014-10-08 | 中冶南方(武汉)威仕工业炉有限公司 | Combined sealing device for furnace roller bearing of cold rolling annealing furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: WISDRI (WUHAN) THERMAL INDUSTRY Co.,Ltd. Address before: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee before: WISDRI (WUHAN) WISFUR THERMAL TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 430223 No. 33 University Park Road, Donghu Development Zone, Wuhan City, Hubei Province Patentee after: WISDRI (WUHAN) WISFUR THERMAL TECHNOLOGY CO.,LTD. Address before: 430205 No. 33 University Park Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: WISDRI (WUHAN) WIS INDUSTRIAL FURNACE Co.,Ltd. |
|
| CP03 | Change of name, title or address |