CN220541096U - Tail guard plate structure for prolonging service life of rotary kiln cylinder - Google Patents
Tail guard plate structure for prolonging service life of rotary kiln cylinder Download PDFInfo
- Publication number
- CN220541096U CN220541096U CN202321699515.6U CN202321699515U CN220541096U CN 220541096 U CN220541096 U CN 220541096U CN 202321699515 U CN202321699515 U CN 202321699515U CN 220541096 U CN220541096 U CN 220541096U
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- Prior art keywords
- tail
- rotary kiln
- castable
- steel plate
- tail guard
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 83
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000005260 corrosion Methods 0.000 abstract description 9
- 238000002679 ablation Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 8
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 238000005266 casting Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 5
- 238000004321 preservation Methods 0.000 description 5
- 208000013201 Stress fracture Diseases 0.000 description 4
- 238000005536 corrosion prevention Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model discloses a tail guard plate structure for prolonging the service life of a rotary kiln cylinder, which comprises a rotary kiln cylinder, wherein a tail guard steel plate is arranged outside the rotary kiln cylinder, a reinforcing cable-stayed rib plate is fixedly connected to the outer surface of the tail guard steel plate, palladium nails are arranged outside the reinforcing cable-stayed rib plate, circular arc horizontal support plates are arranged outside the palladium nails, castable is arranged outside the circular arc horizontal support plates, and the outer surface of the castable is fixedly connected with the outer surface of the tail guard steel plate. According to the scheme, the appearance structure of the rotary kiln tail guard steel plate is changed, the overall strength of the tail guard steel plate is improved, meanwhile, the palladium nail position is further increased, the overall pouring adhesive force of the castable is better, and the risks of ablation, corrosion and high-temperature damage of the tail guard steel plate caused by cracking and falling of the castable are prevented. And casting the castable from the outer side of the tail guard steel plate for 10cm integrally for one circle so as to reduce the tail temperature of the rotary kiln.
Description
Technical Field
The utility model relates to the technical field of solid dangerous goods incineration treatment, in particular to a tail guard plate structure for prolonging the service life of a rotary kiln cylinder.
Background
The rotary kiln has wide application in a plurality of industrial fields, plays an important role in production, and is core equipment in the dangerous goods incineration treatment industry. The stable operation of the incineration system is critically dependent on whether the rotary kiln continuously and normally operates, the working state of the rotary kiln tail steel protection plate in the rotary kiln is a high-temperature and high-corrosion environment, and the tail steel protection plate is exposed to high temperature, so that ablation and corrosion are easily caused and the barrel of the tail of the rotary kiln is deformed, and the production is influenced by the shutdown overhaul.
In the prior art, the outer side plane of the tail protecting steel plate of the incineration rotary kiln is exposed outside castable, the tail protecting steel plate is directly arranged on the tail cylinder of the rotary kiln, and the outer side of the tail protecting steel plate is not protected by the castable. In the use process, corrosive waste and high-temperature flue gas can be in direct contact with the plate surface of the tail protection steel plate, so that the tail protection steel plate can be corroded and burnt, and the tail cylinder of the rotary kiln can be heated and deformed after long-time operation.
According to the utility model, the original tail guard steel plate is integrally cast in the castable, two circular arc horizontal supports are newly added on the outer side plane of the original tail guard steel plate, and the inclined-pull rib plates are reinforced, so that the integral strength of the tail guard steel plate is ensured, then palladium nails with proper specifications are welded according to different angles of the tail guard steel plate, so that the adhesive force of the tail guard steel plate to the castable can be increased, the castable is prevented from cracking and falling off, and then the castable is integrally cast by the support plate at a position 10cm away from the outer side of the tail guard steel plate, so that the effects of corrosion resistance, heat preservation, heat insulation and the like can be achieved, the service life of the tail guard steel plate can be prolonged to the greatest extent while the easy high temperature of a rotary kiln tail cylinder body is effectively improved, the equipment input cost is reduced, and the maintenance work is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model solves the technical problems by adopting the following technical scheme: the utility model provides an extension rotary kiln barrel life's tail backplate structure, includes the rotary kiln barrel, the outside of rotary kiln barrel is provided with the tail and protects the steel sheet, the surface fixedly connected with deep cable-stay gusset of tail protect the steel sheet, the deep cable-stay gusset outside is provided with the palladium nail, the outside of palladium nail is provided with circular arc horizontal support plate, the outside of circular arc horizontal support plate is provided with the castable, the surface of castable and the surface fixed connection of tail protect the steel sheet increase the palladium nail position at the surface of tail protect the steel sheet, makes the castable wholly pour the adhesive force better, prevents that the castable from cracking and droing the risk that causes tail protect the steel sheet ablation, corruption, high temperature damage. And casting the castable from the outer side of the tail guard steel plate for 10cm integrally for one circle so as to reduce the tail temperature of the rotary kiln. Meanwhile, the newly added part of the tail guard steel plate and the weight of casting materials are considered, so that the risk of fatigue fracture of the butt joint surface of the transverse plate and the longitudinal plate of the tail guard steel plate is easily caused, a diagonal rib plate is added above the transverse plate of the tail guard steel plate, and the integral strength of the tail guard steel plate is ensured.
Preferably, the number of the arc horizontal support plates is two, and the arc horizontal support plates are respectively fixedly connected with the outer surface of the tail protection steel plate, and the two arc horizontal support plates which are newly added to the tail protection steel plate enable the overall strength of the tail protection steel plate to be improved, the support surface of the castable is further increased, cracking and falling of the castable are prevented, fatigue fracture of the tail protection steel plate caused by load is prevented, and the risk of high-temperature deformation of the rotary kiln cylinder is effectively reduced.
Preferably, the number of the reinforcing cable-stayed rib plates is two, the reinforcing cable-stayed rib plates are fixedly connected with the outer surfaces of the tail protection steel plates respectively, and cable-stayed rib plates are added above the transverse plates of the tail protection steel plates, so that the overall strength of the tail protection steel plates is ensured.
Preferably, the number of the palladium nails is four, the outer surfaces of the palladium nails are in contact with the inner surface of the castable, and the palladium nails with proper specifications are welded at different angles on the outer side of the tail guard steel plate, so that the adhesive force of the castable can be increased, the phenomena of ablation, corrosion and the like of the tail guard steel plate caused by falling of the castable can be reduced, the overall pouring adhesive force of the castable is better due to the palladium nails, and the risks of ablation, corrosion and high-temperature damage of the tail guard steel plate caused by cracking and falling of the castable are prevented.
Preferably, the outer surface of the circular arc horizontal supporting plate is contacted with the inner surface of the castable, the outer surface of the castable is contacted with the outer surface of the reinforcing cable-stayed rib plate, the castable is made of refractory materials, the castable can reduce the temperature of the tail part of the rotary kiln, and the risks of ablation, corrosion and high-temperature damage of the tail protection steel plate caused by cracking and falling of the castable are prevented.
Preferably, the inner surface of the castable is fixedly connected with the outer surface of the rotary kiln cylinder, the castable can enable the tail protection steel plate to be integrally wrapped in the castable, the purpose of corrosion prevention, heat preservation and heat insulation is achieved, the service life of the tail protection steel plate can be prolonged to the greatest extent, the temperature rise condition of the rotary kiln tail cylinder is effectively improved, and the maintenance cost of the rotary kiln is greatly reduced.
The beneficial effects of the utility model are as follows:
1. according to the utility model, by changing the appearance structure of the rotary kiln tail guard steel plate, the overall strength of the tail guard steel plate is improved, and meanwhile, the palladium nail position is increased, so that the overall pouring adhesive force of the castable is better, and the risks of ablation, corrosion and high-temperature damage of the tail guard steel plate caused by cracking and falling of the castable are prevented. And then the castable is poured from the outer side of the tail guard steel plate for 10cm in whole for one circle, so that the temperature of the tail part of the rotary kiln is reduced, and the problems that the tail guard steel plate of the traditional rotary kiln cylinder body is easy to ablate, corrode and damage at high temperature are solved.
2. According to the utility model, the strength of the transverse plate and the longitudinal plate of the tail protection steel plate is increased by arranging the reinforcing inclined pull rib plate, the reinforcing inclined pull rib plate is additionally arranged above the transverse plate of the tail protection steel plate, the overall strength of the tail protection steel plate is ensured, fatigue fracture of the tail protection steel plate caused by load is prevented, the risk of high-temperature deformation of a rotary kiln cylinder is effectively reduced, the added palladium nail position enables the attachment of a castable to be firmer and not easy to fall off, and the tail protection steel plate can be integrally wrapped in the castable when the castable is poured, so that the aim of corrosion prevention, heat preservation and heat insulation is achieved, and the problems of low strength, poor corrosion prevention, heat preservation and heat insulation of the tail protection steel plate of the traditional rotary kiln cylinder are solved.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a schematic structural view of the tail guard steel plate and the outer structure of the present utility model;
FIG. 3 is a design outline view of the original tail guard steel plate of the utility model.
In the figure: 1. arc horizontal support plate; 2. reinforcing the cable-stayed rib plates; 3. a palladium nail; 4. casting materials; 5. a rotary kiln cylinder; 6. and (5) protecting the steel plate at the tail.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples:
referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an extension rotary kiln barrel life's tail backplate structure, including rotary kiln barrel 5, the outside of rotary kiln barrel 5 is provided with tail steel protection plate 6, the surface fixedly connected with deep cable-stay gusset 2 of tail steel protection plate 6, the outside of deep cable-stay gusset 2 is provided with palladium nail 3, the outside of palladium nail 3 is provided with circular arc horizontal support plate 1, the outside of circular arc horizontal support plate 1 is provided with castable 4, the surface of castable 4 and the surface fixed connection of tail steel protection plate 6, the external side plane of former burning rotary kiln tail steel protection plate 6 is exposed outside castable 4, tail steel protection plate 6 is direct mount on the rotary kiln tail barrel and the outside of tail steel protection plate 6 does not have castable 4 protection. In the use, corrosive waste and high-temperature flue gas can be in direct contact with the plate surface of the tail protection steel plate 6, corrosion and burning loss of the tail protection steel plate 6 can be caused, long-time operation can lead to thermal deformation of a rotary kiln tail cylinder, the original tail protection steel plate 6 is integrally cast inside the castable 4, two circular arc horizontal support plates 1 and reinforcing inclined-pull rib plates 2 are newly added on the outer side plane design of the original tail protection steel plate 6, the integral strength of the tail protection steel plate 6 is guaranteed, then palladium nails 3 with proper specifications are welded according to different angles of the tail protection steel plate 6, the adhesive force of the tail protection steel plate 6 to the castable 4 can be increased, cracking of the castable 4 is prevented, then the castable 4 is integrally cast at a position of 10cm away from the outer side of the tail protection steel plate 6, the effects of corrosion prevention, heat preservation, heat insulation and the like can be achieved, the service life of the tail protection steel plate 6 can be prolonged to the greatest extent while the high temperature of the rotary kiln tail cylinder is effectively improved, the equipment investment cost is reduced, and maintenance work is reduced.
The utility model provides a mode of installing a kiln tail guard plate and a rotary kiln cylinder 5 of a rotary kiln, and shows that the number of arc horizontal support plates 1 and the reinforcing cable guard rib plates 2 which are increased after the improvement of the tail guard plate 6 are respectively and fixedly connected with the outer surfaces of the tail guard plate 6, the number of palladium nails 3 is four, the outer surfaces of the palladium nails 3 are contacted with the inner surfaces of castable 4, the outer surfaces of the arc horizontal support plates 1 are contacted with the inner surfaces of the castable 4, the outer surfaces of the castable 4 are contacted with the outer surfaces of the reinforcing cable guard plates 2, and the inner surfaces of the castable 4 are fixedly connected with the outer surfaces of the rotary kiln cylinder 5. The newly added palladium nails 3 can be transversely and vertically welded with the palladium nails 3 in a crossing way, so that the integral anchoring strength of the castable 4 is improved, the thermal deformation is reduced, the risk of falling off of the castable 4 at the tail part of the rotary kiln is reduced, the ablation of the steel protection plate 6 at the tail part of the rotary kiln is slowed down, and the use purpose of the rotary kiln cylinder 5 is prolonged;
the new modified tail guard steel plate 6 can improve the overall strength of the tail guard steel plate 6, prevent the risk of overlarge stress fracture at the crossing part of the transverse plate and the longitudinal plate, increase the 3 positions of palladium nails and the bearing surface of the castable 4, and reduce the falling risk of the castable 4. The 10CM position outside the tail guard steel plate 6 is used for carrying out on-site support grinding tool according to the drawing requirement, and finally the castable 4 is integrally poured, so that the purpose of prolonging the service life of the rotary kiln cylinder 5 can be achieved while the tail guard steel plate 6 is protected, and the whole scheme is simple, complete in function, economical and practical. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein are implemented by conventional means in the art unless specifically indicated and limited by the context.
Claims (6)
1. The utility model provides an extension rotary kiln barrel life's tail backplate structure, includes rotary kiln barrel (5), its characterized in that: the external part of rotary kiln barrel (5) is provided with tail steel plate (6), the external surface fixedly connected with deep cable-stay gusset (2) of tail steel plate (6), deep cable-stay gusset (2) outside is provided with palladium nail (3), the outside of palladium nail (3) is provided with circular arc horizontal support board (1), the outside of circular arc horizontal support board (1) is provided with castable (4), the surface of castable (4) is connected with the external surface fixed of tail steel plate (6).
2. The tail guard plate structure for prolonging service life of rotary kiln cylinder according to claim 1, wherein: the number of the arc horizontal support plates (1) is two, and the arc horizontal support plates are fixedly connected with the outer surfaces of the tail protection steel plates (6) respectively.
3. The tail guard plate structure for prolonging service life of rotary kiln cylinder according to claim 1, wherein: the number of the reinforcing cable-stayed rib plates (2) is two, and the reinforcing cable-stayed rib plates are fixedly connected with the outer surfaces of the tail steel protection plates (6) respectively.
4. The tail guard plate structure for prolonging service life of rotary kiln cylinder according to claim 1, wherein: the number of the palladium nails (3) is four, and the outer surfaces of the palladium nails (3) are in contact with the inner surface of the castable (4).
5. The tail guard plate structure for prolonging service life of rotary kiln cylinder according to claim 1, wherein: the outer surface of the circular arc horizontal supporting plate (1) is contacted with the inner surface of the castable (4), and the outer surface of the castable (4) is contacted with the outer surface of the reinforcing cable-stayed rib plate (2).
6. The tail guard plate structure for prolonging service life of rotary kiln cylinder according to claim 1, wherein: the inner surface of the castable (4) is fixedly connected with the outer surface of the rotary kiln cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699515.6U CN220541096U (en) | 2023-06-30 | 2023-06-30 | Tail guard plate structure for prolonging service life of rotary kiln cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321699515.6U CN220541096U (en) | 2023-06-30 | 2023-06-30 | Tail guard plate structure for prolonging service life of rotary kiln cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220541096U true CN220541096U (en) | 2024-02-27 |
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ID=89963694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321699515.6U Active CN220541096U (en) | 2023-06-30 | 2023-06-30 | Tail guard plate structure for prolonging service life of rotary kiln cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220541096U (en) |
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2023
- 2023-06-30 CN CN202321699515.6U patent/CN220541096U/en active Active
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