CN220321990U - High-temperature rotary equipment and heat insulation structure thereof - Google Patents
High-temperature rotary equipment and heat insulation structure thereof Download PDFInfo
- Publication number
- CN220321990U CN220321990U CN202322004020.3U CN202322004020U CN220321990U CN 220321990 U CN220321990 U CN 220321990U CN 202322004020 U CN202322004020 U CN 202322004020U CN 220321990 U CN220321990 U CN 220321990U
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- plate part
- sliding holes
- layer plate
- bolt
- rotary kiln
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- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000004321 preservation Methods 0.000 claims description 32
- 230000000712 assembly Effects 0.000 claims description 16
- 238000000429 assembly Methods 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 5
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 105
- 239000011241 protective layer Substances 0.000 abstract description 43
- 230000009286 beneficial effect Effects 0.000 description 10
- 229910001335 Galvanized steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008397 galvanized steel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a heat insulation structure of high-temperature rotary equipment, which comprises a heat insulation layer arranged on the outer side of a rotary kiln cylinder body, and a protective layer arranged on the outer side of the heat insulation layer, wherein the protective layer is bent into a circular arc shape and sleeved on the outer surface of the heat insulation layer, two ends of the protective layer are respectively an outer layer plate part and an inner layer plate part, sliding holes are respectively formed in the outer layer plate part and the inner layer plate part, the sliding holes are long holes, two sliding holes are formed, a bolt and nut assembly penetrates through the corresponding sliding holes and can slide in the sliding holes, one end nut of the bolt and nut assembly is clung to the outer side of the outer layer plate part, and the other end nut is clung to the inner side of the inner layer plate part. When the heat-insulating structure of the high-temperature rotary equipment is used, the bolt and nut assembly and the sliding hole replace rivets for fixation, so that the bolt and nut assembly can slide when the protective layer expands, and further the protective layer is prevented from tearing due to tensile stress generated by thermal expansion at the joint of the protective layer.
Description
Technical Field
The utility model relates to the technical field of heat preservation of high-temperature rotary equipment, in particular to high-temperature rotary equipment and a heat preservation structure thereof.
Background
In order to reduce heat loss of high-temperature rotary equipment such as rotary kilns, a method of wrapping heat insulation materials on the outer surface of a rotary kiln cylinder is generally adopted. The heat insulating material comprises a heat insulating layer and a protective layer, wherein the heat insulating layer adopts an aluminum silicate fiber blanket, the protective layer is generally an aluminum plate or a galvanized steel plate, and the joint of the aluminum plate or the galvanized steel plate is fixed by rivets. However, as the protective layer thermally expands with increasing temperature, local stresses at the rivet location may be excessive and tearing may occur.
In order to prevent the rivet from tearing, a common construction method is to increase the gap between the protective layer and the insulating layer. The control of the gap amount is difficult to grasp, the too large gap amount can cause the consequences of unstable fixation of the heat insulation layer and poor heat insulation effect, and the too small gap amount can not prevent the rivet from being torn.
Disclosure of Invention
The utility model provides a heat preservation structure of high-temperature rotary equipment, which aims to solve the technical problem that rivets at joints of protective layers are easy to tear. The high-temperature rotary equipment is also provided to solve the technical problems.
In order to solve the problems, the heat insulation structure of the high-temperature rotary equipment provided by the utility model adopts the following technical scheme: comprising the following steps:
the heat preservation layer is arranged outside the rotary kiln cylinder;
the protection layer is arranged outside the heat preservation layer, the protection layer is of a metal bendable platy structure, the protection layer is bent to be arc-shaped and sleeved on the outer surface of the heat preservation layer, two ends of the protection layer are mutually attached and connected together, two ends of the protection layer are respectively an outer layer plate part and an inner layer plate part, sliding holes are formed in the outer layer plate part and the inner layer plate part, the sliding holes are long holes and extend in the circumferential direction of the rotary kiln cylinder body, at least two sliding holes are formed in the sliding holes along the axial direction of the rotary kiln cylinder body at intervals, the sliding holes in the outer layer plate part and the inner layer plate part are correspondingly formed, the outer layer plate part and the inner layer plate part are connected together through bolt-nut assemblies, the bolt-nut assemblies comprise bolts, and the bolts penetrate through the corresponding sliding holes and can slide in the sliding holes.
The beneficial effects are that: when the heat-insulating structure of the high-temperature rotary equipment is used, firstly, the heat-insulating layer is arranged on the rotary kiln barrel, then, the protective layer is arranged on the outer side of the heat-insulating layer, and meanwhile, the bolt and nut assemblies are used for fixing the protective layer, so that the rotary kiln can be started to operate. When the heat insulation structure of the high-temperature rotary equipment is used, the bolt and nut assemblies and the sliding holes replace rivets for fixation, so that the bolt and nut assemblies can slide when the protective layer expands, and further, the accident that the bolt and nut assemblies or the rivets are torn at the joint of the protective layer is avoided.
Further, the heat preservation is provided with two layers, and two layers of protective layers are sequentially sleeved outside the rotary kiln cylinder body, and fixing ropes are arranged outside the heat preservation layers.
The beneficial effects are that: the heat preservation effect is improved, and the heat dissipation is reduced.
Further, the fixing rope is galvanized iron wire.
The beneficial effects are that: the connection is stable and is not easy to break.
Further, the sliding holes are axially arranged at intervals along the rotary kiln cylinder body.
The beneficial effects are that: the stability of the connection of the two ends of the protection layer is improved, and the protection layer is prevented from tilting along the two ends of the axial direction of the rotary kiln cylinder.
Further, a gasket is arranged between the nut corresponding to the bolt and nut assembly and the outer layer plate portion and between the nut corresponding to the bolt and nut assembly and the inner layer plate portion and between the nut corresponding to the inner layer plate portion and the inner layer plate portion.
The beneficial effects are that: the stability of the connection of the two ends of the protection layer is improved, and the abrasion of the protection layer by the bolt and nut component is avoided.
In order to solve the problems, the utility model provides high-temperature rotary equipment which adopts the following technical scheme: including rotary kiln barrel and install the insulation construction outside rotary kiln barrel, insulation construction includes:
the heat preservation layer is arranged outside the rotary kiln cylinder;
the protection layer is arranged outside the heat preservation layer, the protection layer is of a metal bendable platy structure, the protection layer is bent to be arc-shaped and sleeved on the outer surface of the heat preservation layer, two ends of the protection layer are mutually attached and connected together, two ends of the protection layer are respectively an outer layer plate part and an inner layer plate part, sliding holes are formed in the outer layer plate part and the inner layer plate part, the sliding holes are long holes and extend in the circumferential direction of the rotary kiln cylinder body, at least two sliding holes are formed in the sliding holes along the axial direction of the rotary kiln cylinder body at intervals, the sliding holes in the outer layer plate part and the inner layer plate part are correspondingly formed, the outer layer plate part and the inner layer plate part are connected together through bolt-nut assemblies, the bolt-nut assemblies comprise bolts, and the bolts penetrate through the corresponding sliding holes and can slide in the sliding holes.
The beneficial effects are that: when the high-temperature rotary equipment is used, the heat preservation layer is firstly arranged on the rotary kiln barrel, then the protective layer is arranged on the outer side of the heat preservation layer, meanwhile, the protective layer is fixed by the bolt and nut assemblies, the rotary kiln can be started to operate at the moment, heat in the rotary kiln is transmitted outwards in the operation process of the rotary kiln, the protective layer is heated and expanded at the moment, two ends of the protective layer move back to back at the moment, and meanwhile, the bolt and nut assemblies slide in the sliding holes to enable the two ends of the protective layer to move until the protective layer expands to a set size. When the high-temperature rotary equipment is used, the bolt and nut assembly and the sliding hole are used for replacing rivet fixation, so that the bolt and nut assembly can slide when the protective layer expands, and further, the accident that the bolt and nut assembly or the rivet at the joint of the protective layer is torn is avoided.
Further, the heat preservation is provided with two layers, and two layers of protective layers are sequentially sleeved outside the rotary kiln cylinder body, and fixing ropes are arranged outside the heat preservation layers.
The beneficial effects are that: the heat preservation effect is improved, and the heat dissipation is reduced.
Further, the fixing rope is galvanized iron wire.
The beneficial effects are that: the connection is stable and is not easy to break.
Further, the sliding holes are axially arranged at intervals along the rotary kiln cylinder body.
The beneficial effects are that: the stability of the connection of the two ends of the protection layer is improved, and the protection layer is prevented from tilting along the two ends of the axial direction of the rotary kiln cylinder.
Further, a gasket is arranged between the nut corresponding to the bolt and nut assembly and the outer layer plate portion and between the nut corresponding to the bolt and nut assembly and the inner layer plate portion and between the nut corresponding to the inner layer plate portion and the inner layer plate portion.
The beneficial effects are that: the stability of the connection of the two ends of the protection layer is improved, and the abrasion of the protection layer by the bolt and nut component is avoided.
Drawings
The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present utility model will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. In the drawings, embodiments of the utility model are illustrated by way of example and not by way of limitation, and like reference numerals refer to similar or corresponding parts and in which:
FIG. 1 is a schematic view of a high temperature rotary device and a heat insulation structure thereof according to the present utility model;
FIG. 2 is a schematic illustration of the joining of an outer laminate section and an inner laminate section of the present utility model;
FIG. 3 is a schematic view of the connection of the bolt-nut assembly of the present utility model.
Reference numerals illustrate:
1. a heat preservation layer; 2. a protective layer; 3. an outer layer plate portion; 4. an inner layer plate portion; 5. a sliding hole; 6. a bolt and nut assembly; 7. a nut; 8. a gasket; 9. a fixing rope; 10. a rotary kiln cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made more complete and clear to those skilled in the art by reference to the figures of the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Various non-limiting embodiments of the utility model are described in detail below. Any number of elements in the figures are for illustration and not limitation, and any naming is used for distinction only and not for any limiting sense.
The principles and spirit of the present utility model are explained in detail below with reference to several representative embodiments thereof.
The utility model provides an embodiment 1 of a heat insulation structure of high-temperature rotary equipment, which comprises the following components:
as shown in fig. 1 to 3, a high temperature swing apparatus and a thermal insulation structure thereof of the present utility model includes a thermal insulation layer 1 and a protective layer 2.
The heat preservation 1 is provided with two layers, and every layer of heat preservation 1 is overlapped in proper order and is established in the rotary kiln barrel 10 outside to each layer of heat preservation 1 outside all is provided with fixed rope 9, and fixed rope 9 is with heat preservation 1 tie-down in the rotary kiln barrel 10 outside. The fixing rope 9 is manufactured by galvanized iron wires.
The protective layer 2 is sleeved outside the heat preservation layer 1. The protective layer 2 is a galvanized steel plate, and the protective layer 2 is bent to be arc-shaped and sleeved on the outer surface of the heat preservation layer 1. The two ends of the protective layer 2 are respectively provided with an outer layer plate part 3 and an inner layer plate part 4, three sliding holes 5 are arranged on the outer layer plate part 3 and the inner layer plate part 4 at intervals along the axial direction of the rotary kiln cylinder 10, and the sliding holes 5 are long holes and extend along the circumferential direction of the rotary kiln cylinder 10. The sliding holes 5 in the outer layer plate part 3 and the inner layer plate part 4 are arranged in one-to-one correspondence, and the bolt and nut assemblies 6 are connected to the two sliding holes 5 in the outer layer plate part 3 and the inner layer plate part 4 in one-to-one correspondence, and the bolt and nut assemblies 6 penetrate through the two sliding holes 5 in one-to-one correspondence and can slide in the two sliding holes 5 in one-to-one correspondence. A spacer 8 is provided between the nut 7 corresponding to the outer layer plate portion 3 and the bolt-nut assembly 6, and a spacer 8 is also provided between the nut 7 corresponding to the inner layer plate portion 4 and the inner layer plate portion 4 of the bolt-nut assembly 6.
When the heat-insulating structure of the high-temperature rotary equipment is used, firstly, two layers of heat-insulating layers 1 are sequentially fixed on a rotary kiln cylinder 10 by using a fixing rope 9, then, a protective layer 2 is bent and is tightly attached to the outer side of the heat-insulating layers 1, so that the protective layer 2 is sleeved on the rotary kiln cylinder 10, then, an outer layer plate part 3 and an inner layer plate part 4 at two ends of the protective layer 2 are connected together by using a bolt and nut assembly 6, at the moment, the rotary kiln cylinder 10 can start to work, heat is emitted in the working process, the heat-insulating layers 1 absorb the heat and transfer the heat to the protective layer 2, the protective layer 2 is heated and expanded, at the moment, the outer layer plate parts 3 and the inner layer plate parts 4 at two ends of the protective layer 2 move back to back, and meanwhile, the bolt and nut assembly 6 slides in corresponding sliding holes 5 until the protective layer 2 is expanded to a set state, and the bolt and nut assembly 6 is fixed in the sliding holes 5, so that the protective layer 2 is fixed.
When the heat-insulating structure of the high-temperature rotary equipment is used, the bolt and nut assembly can fix the protective layer and move when the protective layer expands so as to avoid being torn.
The utility model provides an embodiment 2 of a heat insulation structure of high-temperature rotary equipment, which comprises the following components:
the differences from example 1 are mainly that:
in embodiment 1, the heat preservation is provided with two-layer, and two-layer protective layer cover is established in proper order in the rotary kiln barrel outside to each heat preservation outside all is provided with fixed rope.
In this embodiment, the fixing rope may not be provided, and the heat insulating layer is fixed to the outer side of the rotary kiln cylinder through the protective layer.
Embodiment 3 of the insulation structure of the high-temperature rotary equipment provided by the utility model:
the differences from example 1 are mainly that:
in example 1, the fixing rope was galvanized iron wire.
In this embodiment, the fixation cord can also be made of iron or copper wire.
Example 4 of a heat insulation structure of a high-temperature rotary device provided by the utility model:
the differences from example 1 are mainly that:
in embodiment 1, three sliding holes are provided at intervals along the axial direction of the rotary kiln cylinder.
In this embodiment, two or four slide holes may be provided at intervals along the axial direction of the rotary kiln cylinder.
Embodiment 5 of the insulation structure of the high-temperature rotary equipment provided by the utility model:
the differences from example 1 are mainly that:
in embodiment 1, a spacer is provided between the nut corresponding to the bolt-nut assembly and the outer layer plate portion and between the nut corresponding to the inner layer plate portion and the inner layer plate portion.
In this embodiment, the spacer may not be provided.
The utility model provides an embodiment of high-temperature rotary equipment, which comprises:
the high temperature rotary device comprises a rotary kiln cylinder 10 and a heat insulation structure arranged outside the rotary kiln cylinder 10, and the heat insulation structure is the same as that of the high temperature rotary device in each embodiment, and is not described in detail.
Those skilled in the art will also appreciate from the foregoing description that terms used herein such as "inner," "outer," and the like, indicating an orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings of the present specification, and are for purposes of facilitating the description and simplifying the description, and do not explicitly or implicitly refer to devices or elements that must have the particular orientation, be constructed and operate in the particular orientation, and therefore such orientation or positional relationship terms are not to be interpreted or construed as limiting aspects of the present utility model.
In addition, in the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless specifically defined otherwise.
Claims (10)
1. A thermal insulation structure of a high temperature rotary apparatus, comprising:
the heat preservation layer is arranged outside the rotary kiln cylinder;
the protection layer is arranged outside the heat preservation layer, the protection layer is of a metal bendable platy structure, the protection layer is bent to be arc-shaped and sleeved on the outer surface of the heat preservation layer, two ends of the protection layer are mutually attached and connected together, two ends of the protection layer are respectively an outer layer plate part and an inner layer plate part, sliding holes are formed in the outer layer plate part and the inner layer plate part, the sliding holes are long holes and extend in the circumferential direction of the rotary kiln cylinder body, at least two sliding holes are formed in the sliding holes along the axial direction of the rotary kiln cylinder body at intervals, the sliding holes in the outer layer plate part and the inner layer plate part are correspondingly formed, the outer layer plate part and the inner layer plate part are connected together through bolt-nut assemblies, the bolt-nut assemblies comprise bolts, and the bolts penetrate through the corresponding sliding holes and can slide in the sliding holes.
2. The heat insulation structure of the high-temperature rotary equipment according to claim 1, wherein the heat insulation layers are provided with two layers, the two layers of protection layers are sequentially sleeved outside the rotary kiln cylinder, and fixing ropes are arranged outside the heat insulation layers.
3. The thermal insulation structure of high-temperature rotary equipment according to claim 2, wherein the fixing rope is galvanized iron wire.
4. The insulation structure of a high temperature rotary apparatus according to claim 1, wherein three sliding holes are provided at intervals along the axial direction of the rotary kiln cylinder.
5. The heat insulation structure of a high temperature rotary apparatus according to claim 1, 2, 3 or 4, wherein a spacer is provided between the nut corresponding to the outer layer plate portion and the outer layer plate portion of the bolt-nut assembly, and a spacer is also provided between the nut corresponding to the inner layer plate portion and the inner layer plate portion of the bolt-nut assembly.
6. The utility model provides a high temperature gyration equipment, includes rotary kiln barrel and installs the insulation construction outside the rotary kiln barrel, its characterized in that, insulation construction includes:
the heat preservation layer is arranged outside the rotary kiln cylinder;
the protection layer is arranged outside the heat preservation layer, the protection layer is of a metal bendable platy structure, the protection layer is bent to be arc-shaped and sleeved on the outer surface of the heat preservation layer, two ends of the protection layer are mutually attached and connected together, two ends of the protection layer are respectively an outer layer plate part and an inner layer plate part, sliding holes are formed in the outer layer plate part and the inner layer plate part, the sliding holes are long holes and extend in the circumferential direction of the rotary kiln cylinder body, at least two sliding holes are formed in the sliding holes along the axial direction of the rotary kiln cylinder body at intervals, the sliding holes in the outer layer plate part and the inner layer plate part are correspondingly formed, the outer layer plate part and the inner layer plate part are connected together through bolt-nut assemblies, the bolt-nut assemblies comprise bolts, and the bolts penetrate through the corresponding sliding holes and can slide in the sliding holes.
7. The high-temperature rotary equipment according to claim 6, wherein the heat-insulating layers are provided with two layers, the two layers of protection layers are sequentially sleeved outside the rotary kiln cylinder, and fixing ropes are arranged outside the heat-insulating layers.
8. The high temperature swing apparatus according to claim 7, wherein said securing cord is galvanized iron wire.
9. The high temperature rotary apparatus of claim 6, wherein the sliding holes are axially spaced apart along the rotary kiln cylinder.
10. A high temperature swivel device according to claim 6 or 7 or 8 or 9, wherein a spacer is provided between the nut and the outer plate portion of the bolt-nut assembly and the outer plate portion, and a spacer is also provided between the nut and the inner plate portion of the bolt-nut assembly and the inner plate portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004020.3U CN220321990U (en) | 2023-07-27 | 2023-07-27 | High-temperature rotary equipment and heat insulation structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322004020.3U CN220321990U (en) | 2023-07-27 | 2023-07-27 | High-temperature rotary equipment and heat insulation structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220321990U true CN220321990U (en) | 2024-01-09 |
Family
ID=89420946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322004020.3U Active CN220321990U (en) | 2023-07-27 | 2023-07-27 | High-temperature rotary equipment and heat insulation structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220321990U (en) |
-
2023
- 2023-07-27 CN CN202322004020.3U patent/CN220321990U/en active Active
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