CN217709613U - Furnace roller heat-insulating layer fireproof structure of roller-hearth heating furnace - Google Patents
Furnace roller heat-insulating layer fireproof structure of roller-hearth heating furnace Download PDFInfo
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- CN217709613U CN217709613U CN202221369179.4U CN202221369179U CN217709613U CN 217709613 U CN217709613 U CN 217709613U CN 202221369179 U CN202221369179 U CN 202221369179U CN 217709613 U CN217709613 U CN 217709613U
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Abstract
The utility model belongs to the technical field of roller hearth heating furnaces, in particular to a roller hearth heating furnace roller heat insulation layer fireproof structure, which comprises a metal structural part, wherein the outer wall of the metal structural part is fixedly sleeved with a plurality of roller rings, two sides of the metal structural part are fixedly provided with a plurality of anchoring nails, and the outer wall of the metal structural part is wound and connected with a plurality of layers of fiber ropes; through setting up the anchor nail, the adhesive, cordage and fibrous blanket, twine the multilayer with cordage on metal structure, and fill the clearance between the rope through the adhesive, bend into the L type with the anchor nail simultaneously, compress tightly every layer of cordage, paint the adhesive on the surface of cordage again, lay the fibrous blanket on the cordage, block the heat radiation, strengthen thermal-insulated effect, reduce the heat loss that heating furnace stove roller heat absorption brought, reduce the heating ton steel energy consumption, improve stove roller life-span, reduce stove roller consumption, avoid stove roller metal structure because the scaling loss, the crooked phenomenon that intensity decline produced, avoid the production accident.
Description
Technical Field
The utility model belongs to the technical field of the formula heating furnace at the bottom of the roller, concretely relates to formula heating furnace roller insulating layer refractory structure at the bottom of roller.
Background
The furnace roller is the most important equipment in a roller hearth type heating furnace (CSP-compact strip steel production line), is a through shaft water-cooling roller, has the main functions of serving as heating and buffering equipment between a rolling mill and a casting machine, supports a casting blank in the furnace through the furnace roller, and completes the conveying task of the casting blank in the furnace through the forward and reverse rotation and the rotation speed adjustment of the furnace roller and the friction drive of a roller ring and a sheet casting blank piece. The number of lines is extremely large. The heat-insulating plate mainly comprises a metal structural part and a refractory material heat-insulating layer (hereinafter referred to as a heat-insulating layer). The metal structural part mainly comprises a supporting roll shaft, a water-cooled steel pipe, a metal roll body and a heat-resistant metal roll collar. The heat insulating layer is made of refractory material between the roll collars. The non-contact part of the furnace roller and the casting blank is completely wrapped by a refractory material, so that the support strength and rigidity of the furnace roller under the high-temperature use condition are ensured, and the water-cooling heat loss of the furnace roller is reduced. Therefore, the heat insulation layer of the furnace roller has the worst working environment, and is required to bear high temperature, furnace gas scouring and corrosion, vibration impact generated when a casting blank is contacted with a roller ring and the centrifugal action of the furnace roller on the heat insulation layer in the acceleration and deceleration process.
The heat insulation layer is peeled off, so that the furnace roller metal structural part is directly exposed in high-temperature furnace gas and is subjected to burning by burner flame, the oxidation and burning loss of the metal part are increased, the strength and the bearing performance are greatly reduced, and the bending phenomenon is easily generated under the impact and heavy pressing of a casting blank. Meanwhile, the heat insulation layer is peeled off, the metal structural member is directly exposed in the hearth, a strong heat absorption effect is generated, the return water temperature of cooling water in a furnace roller is greatly increased, a large amount of heat energy which is applied to casting blank heating is taken away, and the objective facts that the casting blank heating effect is poor and the energy consumption per ton of steel is increased are caused.
In order to solve the problems, the application provides a roller heat-insulating layer fireproof structure of a roller hearth heating furnace.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a furnace roller heat-insulating layer refractory structure of a roller hearth heating furnace, which has the characteristic of reducing the peeling of the heat-insulating layer.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a roller bottom formula heating furnace stove roller insulating layer refractory structure, includes metallic structure, the fixed cover of outer wall of metallic structure is equipped with a plurality of collars, the fixed a plurality of anchor nails that are equipped with in both sides of metallic structure, the outer wall winding of metallic structure is connected with the multilayer fibre rope, the outer wall cover of fibre rope is equipped with the fibre blanket, the both sides of fibre blanket all are equipped with a plurality of clamp plates, and are a plurality of the clamp plate sets up respectively between two arbitrary adjacent collars, and is a plurality of one side of clamp plate all rotates and is connected with the bull stick, and is a plurality of the equal threaded connection of bull stick has the backup pad.
As the utility model relates to a roller hearth heating furnace roller insulating layer refractory structure is preferred, the winding clearance of fibre rope fully filled has the adhesive.
As the utility model relates to a roller hearth heating furnace roller insulating layer fire-resistant structure is preferred, the adhesive has been laid to the outer wall of fibre rope, the adhesive is connected with the inner wall bonding of fibre blanket.
As the utility model relates to a roller hearth heating furnace roller insulating layer refractory structure is preferred, the adhesive is formed by the stirring and mixing of resin ceramic binder and ceramic fiber cotton.
As the utility model relates to a roller hearth heating furnace roller insulating layer refractory structure is preferred, a plurality of the L type is all bent into to the anchor nail.
As the utility model relates to a roller hearth heating furnace roller insulating layer refractory structure is preferred, a plurality of the equal threaded connection in both sides of backup pad has the bracing piece, and is a plurality of the bracing piece alternates respectively to set up in a plurality of support grooves, and is a plurality of support grooves are seted up respectively in one side of two arbitrary adjacent collars.
As the utility model relates to a roller hearth heating furnace stove roller insulating layer refractory structure is preferred, and is a plurality of the both sides of backup pad bottom are all fixed and are equipped with first support column, and are a plurality of the bottom of first support column all alternates and is connected with the second support column, and is a plurality of the second support column is fixed the both ends that set up in a plurality of clamp plates one side respectively.
Compared with the prior art, the beneficial effects of the utility model are that:
by arranging the anchoring nails, the adhesive, the fiber ropes and the fiber blankets, the fiber ropes are wound on the metal structural member in multiple layers, gaps among the ropes are filled by the adhesive, the anchoring nails are bent into an L shape, each layer of fiber ropes are compressed, the adhesive is coated on the surfaces of the fiber ropes, the fiber blankets are laid on the fiber ropes, heat radiation is blocked, and the heat insulation effect is enhanced, so that the heat loss caused by heat absorption of a furnace roller of a heating furnace is reduced, the energy consumption of heating steel per ton is reduced, the service life of the furnace roller is prolonged, the consumption of the furnace roller is reduced, the bending phenomenon caused by the reduction of the strength of the metal structural member of the furnace roller due to burning loss is avoided, and production accidents are avoided;
through setting up clamp plate, bull stick, backup pad and bracing piece, through the rotation of bracing piece, fix the backup pad on the collars, then under the rotation of bull stick, drive the clamp plate and assist to compress tightly fibre blanket and fibre rope, avoid fibre rope and fibre blanket to take place to drop and influence the use, improved the thermal-insulated result of use of metal structure.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure view of a metal structural member according to the present invention;
fig. 3 is a schematic plan view of the metal structural member of the present invention;
FIG. 4 is a schematic view of the pressing plate structure of the present invention;
in the figure: 1. a metal structural member; 2. a roll collar; 3. anchoring nails; 4. a fiber rope; 5. a fiber blanket; 6. pressing a plate; 7. a rotating rod; 8. a support plate; 9. a support bar; 10. a first support column; 11. and a second support column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1-4: a furnace roller heat-insulating layer fireproof structure of a roller hearth type heating furnace comprises a metal structural member 1, a plurality of roller rings 2 are fixedly sleeved on the outer wall of the metal structural member 1, a plurality of anchoring nails 3 are fixedly arranged on two sides of the metal structural member 1, a plurality of layers of fiber ropes 4 are wound on the outer wall of the metal structural member 1, after a phi 15mm heat-resistant steel wire ceramic fiber rope 4 layer is wound while tensioning, a rope gap is filled with an adhesive, the welded anchoring nails 3 are oppositely bent into an L shape and compacted on a first layer of ceramic fiber rope 4, after the first layer is compacted, the improved adhesive is sprayed, the ceramic fiber rope 4 is continuously laid to a position 8mm away from the position of the roller ring 2, and the rope gap is ensured to be filled with the adhesive in the construction process, after each layer is laid simultaneously, it is necessary to bend into "L" type in opposite directions welding anchor nail 3, compaction ceramic fiber rope 4, wipe the adhesive that the one deck is about 5mm thick on 4 surfaces of fiber rope, then paste the thick ceramic fiber blanket 5 of one deck 10mm, further block the heat radiation, the thermal-insulated effect of reinforcing, the outer wall cover of fiber rope 4 is equipped with fiber blanket 5, fiber blanket 5's both sides all are equipped with a plurality of clamp plates 6, a plurality of clamp plates 6 set up respectively between arbitrary two adjacent collars 2, one side of a plurality of clamp plates 6 all rotates and is connected with bull stick 7, clamp plate 6 compresses tightly fiber rope 4 and fiber blanket 5, avoid taking place the condition of droing, the equal threaded connection of a plurality of bull sticks 7 has backup pad 8.
It is specific, it has the adhesive to fully fill between the winding clearance of cordage 4, the adhesive has been laid to the outer wall of cordage 4, the adhesive is connected with the inner wall bonding of fibre blanket 5, the adhesive is formed by resin ceramic binder and the stirring of ceramic fibre cotton, increase the bonding and the tensile strength of adhesive, a plurality of anchor nail 3 all bend into the L type, compress tightly cordage 4, the equal threaded connection in both sides of a plurality of backup pad 8 has bracing piece 9, bracing piece 9 fixes backup pad 8 on collars 2, a plurality of bracing pieces 9 alternate respectively and set up in a plurality of support grooves, a plurality of support grooves are seted up respectively in one side of two arbitrary adjacent collars 2, the both sides of a plurality of backup pad 8 bottoms are all fixed and are equipped with first support column 10, the bottom of a plurality of first support columns 10 all alternates and is connected with second support column 11, first support column 10 and second support column 11 keep the stability of clamp plate 6, a plurality of second support column 11 are fixed both ends that set up in a plurality of clamp plate 6 one side respectively.
When the method is used specifically, before the resin ceramic adhesive is used, ceramic fiber cotton is added, the fiber cotton is smashed, long fibers in the fiber cotton and the resin adhesive are fully stirred, the adhesive and the tensile strength of the adhesive are increased, phi 8X 100mm anchoring nails 3 are welded on a metal structural member 1 at an interval of 50-80mm, the resin ceramic adhesive which is added with the ceramic fiber cotton and is uniformly stirred is coated on the metal structural member 1, a seamless construction mode is installed, after phi 15mm heat-resistant steel wire ceramic fiber ropes 4 are wound while being tensioned (when the first layer of construction is ensured, the adhesive is filled in rope gaps, the strength of a bottom layer is further improved), the welded anchoring nails 3 are oppositely bent into an L shape and compacted on the first layer of ceramic fiber ropes 4, after the first layer is compacted, the improved adhesive is sprayed, the ceramic fiber ropes 4 are continuously laid to a position 8mm away from a roller ring 2, and then the stopping is stopped, in the construction process, the bonding agent is ensured to be filled in the rope gap, simultaneously, after each layer is laid, the welding anchoring nails 3 are bent oppositely to form an L shape, the ceramic fiber rope 4 is compacted until the fiber rope 4 is wound to a position 20mm below the surface of the roller ring 2, then a layer of bonding agent with the thickness of about 5mm is smeared on the surface of the fiber rope 4, then a layer of ceramic fiber blanket 5 with the thickness of 10mm is pasted, the heat radiation is further blocked, the heat insulation effect is enhanced, the metal structural member 1 is placed into a special baking oven to be baked for 4-6 hours at the temperature of 100-200 ℃, the metal structural member can be used online, then the supporting plate 8 is placed on the metal structural member 1, the supporting rod 9 is inserted into the supporting groove to fix the supporting plate 8, the rotating rod 7 is rotated, the rotating rod 7 drives the pressing plate 6 to move, the fiber rope 4 and the fiber blanket 5 are pressed in an auxiliary mode, and the falling-off condition is avoided, the service life is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a roller hearth heating furnace roller insulating layer refractory structure, includes metallic structure spare (1), its characterized in that: the fixed cover of outer wall of metal structure spare (1) is equipped with a plurality of collars (2), the fixed a plurality of anchor nails (3) that are equipped with in both sides of metal structure spare (1), the outer wall winding of metal structure spare (1) is connected with multilayer fibre rope (4), the outer wall cover of fibre rope (4) is equipped with fibre blanket (5), the both sides of fibre blanket (5) all are equipped with a plurality of clamp plates (6), and are a plurality of clamp plate (6) set up respectively between arbitrary two adjacent collars (2), and are a plurality of one side of clamp plate (6) all rotates and is connected with bull stick (7), and is a plurality of equal threaded connection in bull stick (7) has backup pad (8).
2. The roll heat insulating layer refractory structure of the roll hearth heating furnace according to claim 1, characterized in that: the winding gaps of the fiber ropes (4) are fully filled with adhesive.
3. The roll heat insulating layer refractory structure of the roll hearth heating furnace according to claim 2, characterized in that: and the outer wall of the fiber rope (4) is paved with an adhesive, and the adhesive is bonded and connected with the inner wall of the fiber blanket (5).
4. The roll heat insulating layer refractory structure of the roll hearth heating furnace according to claim 3, characterized in that: the adhesive is formed by stirring and mixing a resin ceramic adhesive and ceramic fiber cotton.
5. The roll heat insulating layer refractory structure of the roll hearth heating furnace according to claim 1, characterized in that: and the anchoring nails (3) are bent into L shapes.
6. The roll heat insulating layer refractory structure of the roll hearth heating furnace according to claim 1, characterized in that: a plurality of equal threaded connection in both sides of backup pad (8) has bracing piece (9), and is a plurality of bracing piece (9) alternate respectively and set up in a plurality of support grooves, and is a plurality of support groove is seted up respectively in one side of two arbitrary adjacent collars (2).
7. The roll heat insulating layer refractory structure of the roll hearth heating furnace according to claim 6, characterized in that: a plurality of both sides of backup pad (8) bottom are all fixed and are equipped with first support column (10), and are a plurality of the bottom of first support column (10) all alternates and is connected with second support column (11), and is a plurality of second support column (11) are fixed the both ends that set up in a plurality of clamp plates (6) one side respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221369179.4U CN217709613U (en) | 2022-06-01 | 2022-06-01 | Furnace roller heat-insulating layer fireproof structure of roller-hearth heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221369179.4U CN217709613U (en) | 2022-06-01 | 2022-06-01 | Furnace roller heat-insulating layer fireproof structure of roller-hearth heating furnace |
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| CN217709613U true CN217709613U (en) | 2022-11-01 |
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| CN202221369179.4U Active CN217709613U (en) | 2022-06-01 | 2022-06-01 | Furnace roller heat-insulating layer fireproof structure of roller-hearth heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368148A (en) * | 2022-07-18 | 2022-11-22 | 包头钢铁（集团）有限责任公司 | Novel method for prolonging service life of furnace roller of roller-hearth heating furnace |
-
2022
- 2022-06-01 CN CN202221369179.4U patent/CN217709613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368148A (en) * | 2022-07-18 | 2022-11-22 | 包头钢铁（集团）有限责任公司 | Novel method for prolonging service life of furnace roller of roller-hearth heating furnace |
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