CN220286054U - High temperature circulation fan cock body seal structure - Google Patents
High temperature circulation fan cock body seal structure Download PDFInfo
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- CN220286054U CN220286054U CN202321928723.9U CN202321928723U CN220286054U CN 220286054 U CN220286054 U CN 220286054U CN 202321928723 U CN202321928723 U CN 202321928723U CN 220286054 U CN220286054 U CN 220286054U
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- insulating layer
- heat
- heat insulation
- circulating fan
- insulation layer
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- 238000009413 insulation Methods 0.000 claims abstract description 99
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 230000008719 thickening Effects 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 19
- 238000004321 preservation Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012774 insulation material Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 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 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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- Thermal Insulation (AREA)
Abstract
The utility model relates to a sealing structure of a high-temperature circulating fan plug body, wherein a sealing heat-insulating layer is arranged between the circulating fan plug body and a furnace top heat-insulating layer, the sealing heat-insulating layer comprises a heat-insulating layer installation part at the lower end and a heat-insulating layer thickening part at the upper side, a heat-insulating layer inclined plane is arranged on the inner wall of the furnace top heat-insulating layer, the heat-insulating layer inclined plane is propped against the joint of the heat-insulating layer thickening part and the heat-insulating layer installation part, a fixing plate is arranged at the upper side of the circulating fan plug body, the fixing plate is fixed on the furnace top heat-insulating layer, the heat-insulating layer installation part comprises a plurality of heat-insulating ropes, a plurality of heat-insulating rope grooves are arranged at the lower end of the circulating fan plug body, and the heat-insulating ropes are respectively arranged in the corresponding heat-insulating rope grooves. The utility model designs the original integrated sealing heat insulation layer into a sealing mode comprising a heat insulation layer mounting part and a heat insulation layer thickening part, and realizes a better sealing effect while realizing an anti-falling function.
Description
Technical Field
The utility model relates to the field of heating furnaces, in particular to a plug body sealing structure of a high-temperature circulating fan.
Background
The main function of the circulating fan in the heating furnace is to strengthen heat exchange, which is the key for ensuring the homogenization of the heating speed and the temperature of the furnace body, so that the circulating fan is also the key for ensuring whether the aluminum alloy ingot casting product can meet the technological requirements. At present, a high-temperature centrifugal circulating fan is usually adopted in a heating furnace, the circulating fan is usually arranged in a furnace top area and is directly communicated with a furnace chamber, so that in the normal operation process of heating furnace equipment, a fan blade of the circulating fan and an internal sealing plug body are directly contacted with the high-temperature environment of the furnace chamber, the local temperature of the fan blade of the circulating fan can reach more than 630 ℃, and as the circulating fan is directly communicated with the furnace chamber, the contact surface of the mechanical structure of the internal plug body of the circulating fan and the heat expansion and cold contraction characteristics of a furnace body steel plate can not completely achieve the effect of isolating high temperature, the high temperature of the furnace chamber is directly conducted to the furnace top area, the local position temperature of the furnace top area is further caused to be too high, and serious people can even deform the steel plate in the high-temperature area, so that the high-temperature sealing structure of the circulating fan plug body is particularly important.
In the prior art, a sealing heat insulation material is directly attached to the surface of a fan plug body and is wound and fixed through iron wires and the like arranged in the middle of the plug body, but in actual production, the structure is found to easily cause equipment faults due to the influence of self vibration, high-temperature environment and other factors in the operation process of a circulating fan, the sealing heat insulation material which is vertically installed can be slowly fallen off mainly due to the self vibration of the fan, and the iron wires which are used in a long-term high-temperature state are also easily rusted and broken, so that the sealing heat insulation material is easily caused to fall off and then wind on a fan blade to cause equipment faults, and unsafe factors exist.
Disclosure of Invention
The utility model aims to provide a sealing structure of a plug body of a high-temperature circulating fan, which designs an original integrated sealing heat-insulating layer into a sealing form comprising a heat-insulating layer mounting part and a heat-insulating layer thickening part, and realizes an anti-falling function by using the joint part of the heat-insulating layer mounting part and the heat-insulating layer thickening part to prop against and support with a heat-insulating layer inclined plane on the inner wall of a heat-insulating layer of a furnace top, and can realize a better sealing effect.
The aim of the utility model is realized by the following technical scheme:
the utility model provides a high temperature circulation fan cock body seal structure, includes furnace roof heat preservation and inlay in the circulation fan cock body in the furnace roof heat preservation, be equipped with sealed insulating layer between circulation fan cock body and the furnace roof heat preservation, and sealed insulating layer includes insulating layer installation department and the insulating layer thickening portion of upside of lower extreme, be equipped with the insulating layer inclined plane on the furnace roof heat preservation inner wall of the hole, and the insulating layer inclined plane with the junction of insulating layer thickening portion and insulating layer installation department offsets and supports, circulation fan cock body upside is equipped with the fixed plate, and the fixed plate is fixed in on the furnace roof heat preservation, insulating layer installation department includes multichannel heat insulation rope, circulation fan cock body lower extreme is equipped with multichannel heat insulation rope recess to the heat insulation rope locates respectively in the corresponding heat insulation rope recess.
A sealing gasket is arranged between the fixing plate and the upper surface of the furnace top heat preservation layer.
The circulating fan is arranged on the fixed plate, and the power shaft of the circulating fan penetrates through the plug body of the circulating fan and then is connected with the fan blades arranged in the furnace body.
The utility model has the advantages and positive effects that:
1. the utility model designs the sealing heat insulation layer which is originally integrated into a sealing form comprising a heat insulation layer mounting part and a heat insulation layer thickening part, and the joint of the heat insulation layer mounting part and the heat insulation layer thickening part is used for propping against and supporting the inclined surface of the heat insulation layer on the inner wall of the heat insulation layer at the furnace top to realize the anti-falling function, thereby avoiding the problem that the sealing heat insulation material in the traditional circulating fan slowly and vertically falls off under the influence of factors such as vibration of the fan, and the like.
2. The joint of the thickened part of the heat insulation layer and the installation part of the heat insulation layer of the sealing heat insulation layer is propped against and pressed against the inclined surface of the heat insulation layer on the inner wall of the heat insulation layer of the furnace top, so that a better sealing effect can be realized, and the thickness of the thickened part of the heat insulation layer close to the outer side of the furnace body is increased, so that the sealing heat insulation performance of the sealing heat insulation layer can be further improved.
3. The sealing gasket is arranged between the fixing plate and the upper surface of the furnace top heat-insulating layer so as to further ensure the sealing performance.
4. The utility model has simple integral structure and convenient processing.
Drawings
Figure 1 is a schematic view of the structure of the present utility model,
figure 2 is an enlarged view at a in figure 1,
fig. 3 is an enlarged view at B in fig. 1.
Wherein, 1 is the circulating fan cock body, 2 is the furnace roof heat preservation, 201 is the heat preservation inclined plane, 3 is the thermal-insulated rope, 4 is sealed insulating layer, 401 is insulating layer installation department, 402 is insulating layer thickening portion, 5 is bolt nut subassembly, 6 is the fixed plate, 7 is the circulating fan, 8 is the fan blade, 9 is sealed pad, 10 is thermal-insulated rope recess.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the heat insulation furnace comprises a furnace top heat insulation layer 2 and a circulating fan plug body 1 embedded in the furnace top heat insulation layer 2, a sealing heat insulation layer 4 is arranged between the circulating fan plug body 1 and the furnace top heat insulation layer 2, the sealing heat insulation layer 4 comprises a heat insulation layer installation part 401 at the lower end and a heat insulation layer thickening part 402 at the upper side, the thickness of the heat insulation layer thickening part 402 is larger than that of the heat insulation layer installation part 401, as shown in fig. 3, a section of heat insulation layer inclined plane 201 is arranged on the inner hole wall of the furnace top heat insulation layer 2, the heat insulation layer inclined plane 201 is propped against the joint of the heat insulation layer thickening part 402 and the heat insulation layer installation part 401, a fixing plate 6 is arranged at the upper side of the circulating fan plug body 1, the fixing plate 6 is fixed on the furnace top heat insulation layer 2 through a bolt and nut assembly 5, the circulating fan 7 is arranged on the fixing plate 6, and a shaft of the circulating fan 7 penetrates through the circulating fan plug body 1 and is connected with a fan blade 8 arranged in a furnace body.
As shown in fig. 3, in this embodiment, the insulation layer installation portion 401 includes a plurality of insulation ropes 3 bound to the lower end of the circulating fan plug body 1, wherein a plurality of insulation rope grooves 10 are provided at the lower end of the circulating fan plug body 1, and the insulation ropes 3 are respectively disposed in the corresponding insulation rope grooves 10.
In this embodiment, the heat insulation rope 3 may be made of a material such as a ceramic fiber rope, which is a well known technology in the art, for example, a sealing structure for binding a plug body of a circulating fan by using the heat insulation rope is disclosed in CN215404413U patent. However, as shown in fig. 1, the sealing heat insulation layer 4 is divided into two parts, wherein the heat insulation ropes 3 are intensively arranged at the lower end of the circulating fan plug body 1 to form a heat insulation layer installation part 401, and meanwhile, the upper part of the heat insulation layer 4 is thickened to form a heat insulation layer thickened part 402, so that the vertically installed heat insulation layer 4 can support and prevent falling off through the heat insulation layer inclined plane 201 on the inner wall of the furnace top heat insulation layer 2 at the joint of the heat insulation layer thickened part 402 and the heat insulation layer installation part 401, further, the problem that the sealing heat insulation material in the conventional circulating fan slowly and vertically drops under the influence of the vibration of the fan and the like is avoided, in addition, as shown in fig. 3, each heat insulation rope 3 of the heat insulation layer installation part 401 is intensively arranged at the lower end of the circulating fan plug body 1, an auxiliary supporting effect can be also realized on the heat insulation layer thickened part 402 so as to further prevent the vertical falling off, and the joint of the heat insulation layer thickened part 402 and the heat insulation layer inclined plane 201 are pressed against each other to realize a better sealing effect, and the thickness of the heat insulation layer part 402 close to the outer side of the furnace top heat insulation layer is increased, so that the sealing heat insulation performance of the sealing heat insulation layer is further improved, and the sealing heat insulation material is further improved, and the sealing heat insulation plate is further provided with the sealing heat insulation layer 9 is arranged on the surface of the sealing heat insulation layer 9, and the sealing heat insulation layer is further arranged on the surface 9, as shown in fig. 6.
In this embodiment, the sealing heat insulation layer 4 is made of an aluminum silicate fiber blanket, 3 layers of 20mm aluminum silicate fiber blankets are wound to form the heat insulation layer thickening portion 402 before the circulating fan plug body 1 is installed, then the heat insulation ropes 3 are placed below the heat insulation layer thickening portion 402 and are respectively wound on the corresponding heat insulation rope grooves 10 to form the heat insulation layer installation portion 401, then the upper end of the circulating fan plug body 1 is connected with the fixing plate 6, and finally the fixing plate 6 is fixed on the furnace top heat insulation layer 2 through the bolt and nut assembly 5.
The working principle of the utility model is as follows:
as shown in fig. 1 to 3, the sealing heat insulation layer 4 which is originally integrated is designed to be in a sealing mode comprising two parts of the heat insulation layer mounting part 401 and the heat insulation layer thickening part 402, and a section of heat insulation layer inclined plane 201 is arranged on the inner wall of the furnace top heat insulation layer 2 at the position corresponding to the joint of the heat insulation layer mounting part 401 and the heat insulation layer thickening part 402, so that the vertically mounted sealing heat insulation layer 4 is supported against the heat insulation layer inclined plane 201 by the joint of the heat insulation layer thickening part 402 and the heat insulation layer mounting part 401 to realize the anti-falling function, thereby avoiding the problem that the sealing heat insulation material in the traditional circulating fan slowly and vertically falls under the influence of factors such as vibration of the fan, and in addition, as shown in fig. 3, each heat insulation rope 3 of the heat insulation layer mounting part 401 is intensively arranged at the lower end of the circulating fan plug body 1, and can also play an auxiliary supporting role on the heat insulation layer thickening part 402 to further prevent the falling of the heat insulation layer, meanwhile, the joint of the heat insulation layer thickening part 402 and the heat insulation layer mounting part 401 are pressed against the heat insulation layer inclined plane 201, and the thickness of the heat insulation layer part 402 near the outer side is increased, so that the sealing performance of the sealing heat insulation layer is further improved, and the sealing performance of the sealing heat insulation layer is guaranteed, and the sealing heat insulation layer 9 is further arranged on the surface sealing heat insulation layer is fixed on the surface of the sealing pad 9.
Claims (3)
1. A high temperature circulation fan cock body seal structure, its characterized in that: including furnace roof heat preservation (2) and inlay in circulating fan cock body (1) in furnace roof heat preservation (2), be equipped with sealed insulating layer (4) between circulating fan cock body (1) and furnace roof heat preservation (2), and sealed insulating layer (4) are including insulating layer installation department (401) and the insulating layer thickening portion (402) of upside of lower extreme, be equipped with insulating layer inclined plane (201) on furnace roof heat preservation (2) inner hole wall, and insulating layer inclined plane (201) with the junction counterbalance support of insulating layer thickening portion (402) and insulating layer installation department (401), circulating fan cock body (1) upside is equipped with fixed plate (6), and fixed plate (6) are fixed in on furnace roof heat preservation (2), insulating layer installation department (401) are including multichannel insulating rope (3), circulating fan cock body (1) lower extreme is equipped with insulating rope recess (10) to insulating rope (3) are located respectively in corresponding insulating rope recess (10).
2. The high temperature circulating fan plug body sealing structure according to claim 1, wherein: a sealing gasket (9) is arranged between the fixing plate (6) and the upper surface of the furnace top heat insulation layer (2).
3. The high temperature circulating fan plug body sealing structure according to claim 1, wherein: the circulating fan (7) is arranged on the fixed plate (6), and a power shaft of the circulating fan (7) penetrates through the circulating fan plug body (1) and then is connected with the fan blade (8) arranged in the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928723.9U CN220286054U (en) | 2023-07-21 | 2023-07-21 | High temperature circulation fan cock body seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928723.9U CN220286054U (en) | 2023-07-21 | 2023-07-21 | High temperature circulation fan cock body seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286054U true CN220286054U (en) | 2024-01-02 |
Family
ID=89330109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321928723.9U Active CN220286054U (en) | 2023-07-21 | 2023-07-21 | High temperature circulation fan cock body seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286054U (en) |
-
2023
- 2023-07-21 CN CN202321928723.9U patent/CN220286054U/en active Active
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