CN220284481U - Insulation structure of dryer end cover - Google Patents
Insulation structure of dryer end cover Download PDFInfo
- Publication number
- CN220284481U CN220284481U CN202321571142.4U CN202321571142U CN220284481U CN 220284481 U CN220284481 U CN 220284481U CN 202321571142 U CN202321571142 U CN 202321571142U CN 220284481 U CN220284481 U CN 220284481U
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- CN
- China
- Prior art keywords
- end cover
- layer
- heat
- dryer
- sealing
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- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 19
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011888 foil Substances 0.000 claims abstract description 4
- 238000004321 preservation Methods 0.000 claims description 43
- 239000010410 layer Substances 0.000 claims description 39
- 239000010451 perlite Substances 0.000 claims description 17
- 235000019362 perlite Nutrition 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000011490 mineral wool Substances 0.000 claims description 7
- 239000004945 silicone rubber Substances 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 23
- 238000001035 drying Methods 0.000 abstract description 8
- 239000002184 metal Substances 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 5
- 239000005030 aluminium foil Substances 0.000 description 4
- 239000002657 fibrous material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Landscapes
- Thermal Insulation (AREA)
Abstract
The utility model relates to the technical field of drying cylinders, in particular to a heat insulation structure of a drying cylinder end cover, which comprises an end cover and reinforcing ribs, wherein the reinforcing ribs are uniformly arranged below the end cover; and the sealing heat-insulating ring is arranged on the side surface of the end cover in a surrounding way. The vacuum cavity used as the heat insulation structure in the outer extension body of the end cover can be provided with the high-temperature resistant metal structure with the stabilizing effect such as the reinforcing rib or the plate rib, so that the vacuum cavity is connected stably by the reinforcing rib, deformation caused by long-time use of pressure is prevented, the heat insulation effect or the sealing effect is influenced, and meanwhile, the sealing heat insulation ring formed by combining the aluminum foil and the silicon rubber is used for hooping on the side surfaces of the end cover and the outer extension body, so that the connecting gap can be sealed by utilizing the elasticity contractibility of the silicon rubber, and the aluminum foil can be assisted to store the temperature of the gap for heat insulation effect.
Description
Technical Field
The utility model relates to the technical field of drying cylinders, in particular to a heat preservation structure of a drying cylinder end cover.
Background
The dryer is a main component of a dryer part of a paper machine, and mainly comprises a cylinder body, an end cover and a shaft head arranged at the center of the end cover, and a heat insulation structure of the end cover of the dryer is a heat insulation structure in sealing end covers at two sides of the dryer.
According to the patent: the utility model provides a double-layer dryer heat-insulating structure, which relates to the technical field of dryer, and solves the problems that two ends of an existing double-layer dryer are respectively sealed by a dryer end cover, the heat-insulating effect is poor, a large amount of heat is lost from two ends of the dryer during application, large heat energy loss is caused, when small cracks invisible to naked eyes exist in the dryer end cover, overhaulers cannot effectively detect the small cracks, and the heat loss rate of the dryer is greatly improved. The utility model provides a double-deck dryer insulation construction, includes the dryer end cover, dryer end cover front side is provided with a circular baffle that laminates rather than preceding terminal surface mutually, and circular baffle diameter is unanimous with dryer end cover diameter. According to the utility model, through the arrangement of the circular baffle and the foam asbestos heat preservation layer, an excellent heat preservation effect of preventing heat loss is achieved on the end cover of the drying cylinder. In actual use, the existing heat preservation structure is provided with a vacuum cavity structure, but different pressure conditions can be generated in the working of the drying cylinder, so that metal materials at the vacuum cavity are likely to deform under the condition of different pressures for a long time, the sealing effect or the heat preservation effect is problematic, and certain gaps exist between the overhanging body and the end cover by utilizing bolt sealing, so that certain temperature loss is likely to occur, meanwhile, when tiny cracks invisible to naked eyes exist in the end cover of the drying cylinder, overhaulers cannot effectively detect the tiny cracks, and the heat loss rate of the drying cylinder is greatly improved.
Disclosure of Invention
The utility model aims to provide a heat insulation structure of a dryer end cover, which aims to solve the problem that the prior heat insulation structure is put forward in the use process in the background art.
In order to realize the technical problems, the utility model provides the following technical scheme:
a thermal insulation structure for a dryer end cap comprising: an end cover is arranged on the inner side of the shell,
the heat preservation sealing layer is arranged in the end cover in a semicircular concave shape;
a filling heat-insulating layer which is filled and arranged at the bottom of the heat-insulating sealing layer;
the reinforcing ribs are uniformly arranged below the end cover;
and the sealing heat-insulating ring is arranged on the side surface of the end cover in a surrounding way.
Preferably, the end cap further comprises:
the overhanging body is fixedly connected to the bottom of the end cover through a bolt;
the connecting holes are penetrated and arranged on the left side and the right side of the end cover and are penetrated and arranged at the corresponding positions of the overhanging body;
the shaft holes are respectively penetrated and arranged at the top center of the end cover and the top center of the overhanging body.
Preferably, the overhanging body further comprises:
a vacuum chamber provided inside the outer body;
the composite heat-insulating plate is arranged in the outer extension body and surrounds the side surface of the vacuum cavity;
the reinforcing ribs are uniformly arranged in the vacuum cavity, the shaft holes and the overhanging bodies are welded respectively, meanwhile, the surface layer of the reinforcing ribs is made of a composite heat-insulating plate, and the inner side of the reinforcing ribs is made of a high-temperature-resistant metal material.
Preferably, the end cap further comprises:
and the rock wool heat preservation layer is arranged on the inner side of the end cover, and the outer diameter of the rock wool heat preservation layer is consistent with the heat preservation sealing layer.
Preferably, the heat-insulating sealing layer is made of expanded perlite material and is in a semicircular hollow structure.
Preferably, the filling heat-insulating layer is made of a sealed porous limiting material, and is wrapped by the heat-insulating sealing layer in a semicircular structure.
Preferably, the sealing heat-insulating ring is an annular structure made of an inner layer of aluminum foil material and an outer layer of silicon rubber material.
The embodiment of the utility model provides a heat insulation structure of a dryer end cover, which has the following beneficial effects:
1. through setting up strengthening rib and sealed heat preservation ring for when this novel end cover uses, connect the interior vacuum cavity accessible of the overhanging body of end cover as insulation construction at its high temperature resistant metal construction that has firm effect that sets up strengthening rib structure or plate rib structure, and set up compound heated board at its top layer, so that it is firm to connect the vacuum cavity to utilize the strengthening rib, prevent to lead to deformation because of long-time use pressure, thereby influence heat preservation effect or sealed effect, simultaneously, carry out the stirrup through the sealed heat preservation ring that utilizes by aluminium foil and silicone rubber combination in the side of end cover and overhanging body, with make available silicone rubber's elasticity contractility seal the junction gap department, and, can assist the aluminium foil to preserve the temperature that the gap was revealed, so as to keep warm effect.
2. Through setting up packing heat preservation and heat preservation sealing layer, when the end cover is used, inside probably produces the crack to the usable expanded perlite system heat preservation sealing layer that has good filling property and thermal-insulated performance handles, because expanded perlite is granular structure, thereby make can pack the effect to the inside gap that probably produces of end cover, and because be provided with the packing heat preservation of being made by sealed porous fibrous material in its inboard, make it have better withstand voltage and high elasticity, can fill the characteristic in any cavity, in order to ensure the pressure condition that the end cover receives in operation, and pack the extrusion to expanded perlite, prevent the scattered condition of pearlite at during operation.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the end cap and the outer body of the present utility model;
FIG. 3 is a schematic view of the internal structure of the outer protrusion of the present utility model;
fig. 4 is a schematic view of the explosive structure of the end cap of the present utility model.
In the figure: 1. an end cap; 2. an overhanging body; 3. a connection hole; 4. a shaft hole; 5. sealing the heat-insulating ring; 6. a vacuum chamber; 7. a composite insulation board; 8. reinforcing ribs; 9. rock wool heat preservation; 10. filling an insulating layer; 11. and (5) heat preservation and sealing layers.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Examples: as shown in fig. 1-2, a heat insulation structure of a dryer end cover, before the novel end cover is used, should utilize the bolt to pass the connecting hole that end cover 1 and overhanging body 2 both sides were all offered, so as to utilize the bolt to carry out fixed connection with end cover 1 and overhanging body 2, and, carry out the stirrup through the sealed heat preservation ring 5 that is combined into by aluminium foil and silicone rubber in the side of end cover 1 and overhanging body 2, so that can utilize the elasticity contractility of silicone rubber to seal the junction gap department, and can assist the aluminium foil to preserve the temperature that the gap was revealed, so as to keep warm, thereby make when the utility model discloses use, the gap department that end cover 1 and overhanging body 2 are connected can not carry out leakage temperature, influence the work efficiency of dryer, simultaneously, because all link up at the top of end cover 1 and overhanging body 2 and offered shaft hole 4, make when this novel end cover 1 is required to work, the usable drive shaft runs through shaft hole 4 in order to drive.
As shown in fig. 3, a reinforcing rib 8 structure or a high temperature resistant metal structure with a stable effect of a plate rib structure is provided in the outer body 2 of the connection end cover 1 as a vacuum cavity 6 of a heat insulation structure, so that the vacuum cavity 6 is stably connected by the reinforcing rib 8, deformation caused by long-time use of pressure is prevented, thereby affecting the heat insulation effect or sealing effect, and a composite heat insulation board 7 is provided on the surface layer of the reinforcing rib 8, thereby heat insulation treatment can be performed on the surface layer of the reinforcing rib 8 by using the composite heat insulation board 7, the effect of certain metal heat transfer is reduced, and the condition that the temperature is transmitted outwards by the reinforcing rib 8 of the connection outer body 2 can be reduced.
As shown in fig. 4, when the novel end cover 1 is used, the rock wool heat preservation layer 9 that its accessible was located with the overhanging body 2 carries out preliminary heat preservation treatment, prevent with certain effect that the temperature in the dryer from utilizing the heat transfer effect of metal to the end cover that metal shell was to outwards transmit, afterwards, the filling heat preservation layer 10 and the heat preservation sealing layer 11 that accessible rock wool heat preservation layer 9 still is connected with, utilize respectively the filling heat preservation layer 10 that is made by sealed porous fiber material's advantage such as having light, low density, good elasticity, heat preservation performance is good, and the expanded perlite system heat preservation sealing layer 11 that has good filling performance and heat preservation performance carries out the final heat preservation, in order to reach high-efficient, the heat preservation effect of depositing, simultaneously, because when end cover 1 uses, inside can produce the crack, thereby can utilize the expanded perlite system heat preservation 11 that has good filling performance and heat preservation performance to handle, because of expanded perlite is the particle structure, thereby make the gap that can produce inside end cover 1, and because its inboard is provided with the filling heat preservation layer 10 that is made by sealed porous fiber material's advantage such as light, make it can have good filling performance and good elasticity and can be carried out the pressure-free performance when the pressure-free perlite is filled in the pressure-free, the pressure condition is guaranteed to the end cover 1 when the pressure is in the operation condition, can be compressed, and the pressure-free, can be filled to the pressure condition is prevented.
Working principle: firstly when the end cover 1 is used, the inside can generate cracks, thereby the expanded perlite with good filling performance and heat insulation performance is utilized to process the heat preservation sealing layer 11, the expanded perlite is of a particle structure, thereby the possible produced cracks inside the end cover 1 can be filled with the effect, and because the inner side of the expanded perlite is provided with the filling heat preservation layer 10 made of the sealed porous fiber material, the pressure resistance and the high elasticity of the expanded perlite can be better utilized, the characteristics of the expanded perlite in any cavity can be filled, the pressure condition received in the operation of the end cover 1 can be ensured, the expanded perlite can be filled and extruded, the condition of the expanded perlite in disorder during operation can be prevented, then the inside of the vacuum cavity 6 which is used as a heat preservation structure of the connecting end cover 1 is provided with a high-temperature resistant metal structure with a stable effect, and the surface layer of the expanded perlite is provided with the composite heat preservation plate 7, the vacuum cavity 6 is stably connected by the reinforcing ribs 8, the deformation caused by long-time use of pressure can be prevented, meanwhile, the expansion effect can be further realized by the expansion of the expansion rubber, the expansion rubber can be saved by the expansion rubber, the heat preservation sealing ring can be further realized by the expansion rubber, and the heat preservation sealing effect can be realized by the expansion of the expansion rubber, and the heat preservation sealing ring.
Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. A thermal insulation structure for a dryer end cap, comprising: an end cover (1),
a heat-insulating sealing layer (11) which is arranged in the end cover (1) in a semicircular concave shape;
a filling heat-insulating layer (10) which is filled in the bottom of the heat-insulating sealing layer (11);
reinforcing ribs (8) which are uniformly arranged below the end cover (1);
a sealing heat-insulating ring (5) which is arranged around the side surface of the end cover (1);
the end cap (1) further comprises:
the overhanging body (2) is fixedly connected to the bottom of the end cover (1) through a bolt;
the connecting holes (3) are penetrated and arranged at the left side and the right side of the end cover (1) and are penetrated and arranged at corresponding positions of the overhanging body (2);
the shaft hole (4) is respectively penetrated and arranged at the top center of the end cover (1) and the top center of the overhanging body (2);
the overhanging body (2) further comprises:
a vacuum chamber (6) provided inside the outer body (2);
a composite heat-insulating plate (7) which is arranged inside the outer extension body (2) and is arranged around the side surface of the vacuum cavity (6);
reinforcing ribs (8) are uniformly arranged in the vacuum cavity (6), the shaft holes (4) and the overhanging bodies (2) are welded respectively, meanwhile, the surface layer of the reinforcing ribs is made of a composite heat-insulating plate (7), and the inner side of the reinforcing ribs is made of a high-temperature-resistant metal material.
2. The insulation structure of a dryer end cap according to claim 1, characterized in that the end cap (1) further comprises:
and the rock wool heat preservation layer (9) is arranged on the inner side of the end cover (1), and the outer diameter of the rock wool heat preservation layer is consistent with the heat preservation sealing layer (11).
3. The insulation structure of a dryer end cap according to claim 1, characterized in that the insulation sealing layer (11) is made of expanded perlite material and is of semi-circular hollow structure.
4. The insulation structure of a dryer end cap according to claim 1, characterized in that the filling insulation layer (10) is made of a sealed porous limiting material and is wrapped by an insulation sealing layer (11) in a semicircular structure.
5. The insulation structure of the dryer end cap according to claim 1, characterized in that the sealing insulation ring (5) is an annular structure made of an inner layer of aluminum foil material and an outer layer of silicone rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321571142.4U CN220284481U (en) | 2023-06-20 | 2023-06-20 | Insulation structure of dryer end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321571142.4U CN220284481U (en) | 2023-06-20 | 2023-06-20 | Insulation structure of dryer end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220284481U true CN220284481U (en) | 2024-01-02 |
Family
ID=89334720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321571142.4U Active CN220284481U (en) | 2023-06-20 | 2023-06-20 | Insulation structure of dryer end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220284481U (en) |
-
2023
- 2023-06-20 CN CN202321571142.4U patent/CN220284481U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |