CN207391501U - A kind of high temperature bell-type furnace outer cover heat emission hole insulator - Google Patents
A kind of high temperature bell-type furnace outer cover heat emission hole insulator Download PDFInfo
- Publication number
- CN207391501U CN207391501U CN201721434854.6U CN201721434854U CN207391501U CN 207391501 U CN207391501 U CN 207391501U CN 201721434854 U CN201721434854 U CN 201721434854U CN 207391501 U CN207391501 U CN 207391501U
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- China
- Prior art keywords
- housing
- plug
- outer cover
- interior
- high temperature
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Abstract
The utility model discloses a kind of high temperature bell-type furnace outer cover heat emission hole insulators, and including housing and Nei Sai, in tubular construction, the inside of housing offers cylindrical cavity to housing, and extension is provided at the top of housing；Interior plug includes integrally formed inner plug and interior chock plug, and the shape of interior chock plug is engaged with the cylindrical cavity of jacket internal, and the diameter of inner plug is identical with the outer diameter of the extension of housing, and handle is provided on inner plug.The utility model in type furnace outer cover top heat dissipation hole by installing insulator additional; so that insulator is tightly combined with furnace lining material; furnace shell, anchoring piece and furnace lining material are protected, outer cover service life is made significantly to extend, is had many advantages, such as of simple structure and low cost, easy to use, cost-effective.
Description
Technical field
The utility model is related to high annealing heat treatment equipments, and in particular to a kind of high temperature bell-type furnace outer cover heat emission hole
Insulator.
Background technology
High temperature electrical heating bell-type annealing furnace (abbreviation bell furnace) moves back for full technique cold rolled grain oriented silicon steel band high temperature
Burning hot processing is that grain oriented silicon steel strip obtains low iron loss, the important procedure of high magnetic strength.
Bell furnace is made of outer cover, inner cover and table three parts, and work 1250 DEG C of maximum temperature.Outer cover is heating mantles, main
It to be made of steel construction furnace shell, furnace lining and heating element three parts.It is welded at the top of outer cover using the stainless steel anchoring piece of 310S
On furnace shell inner wall, the entire fibre lining of the fiber module containing zirconium is anchored, and symmetrical two are opened at outer cover radius 1/2
The circular hole of 250mm, break-through furnace shell is as bell furnace forced cooling heat emission hole.When outer cover works heat dissipation is clogged with refractory plug
Hole, suitable temperature point is chosen in temperature-fall period pulls out plug and accelerate cooling, shortens the process time to improve bell furnace effective operation
Rate.
Since furnace lining is Whole fiber material, furnace shell is steel construction, inconsistent with coefficient of thermal expansion in temperature-fall period heating up
Gradually form air gap.High temperature gas flow is formed when ceramic plug is pulled out in cooling, under the action of high temperature gas flow, furnace shell and furnace lining
Air gap can be more and more big, more and more deeply, and then deforms upon heat emission hole, influences the blockage effect of ceramic plug.High temperature gas flow is made
Into furnace shell, anchoring piece accelerated oxidation, the aging of heat preservation furnace lining is accelerated, outer cover reduced service life.
The content of the invention
The utility model is directed to the above-mentioned deficiency of the prior art, and providing one kind effectively prevents high temperature gas flow from causing heat emission hole
Deformation, the high temperature bell-type furnace outer cover heat emission hole insulator for influencing outer cover physical life.
In order to solve the above technical problems, the utility model employs following technical proposal：
Provide a kind of high temperature bell-type furnace outer cover heat emission hole insulator, which is characterized in that including housing and Nei Sai, housing is in pipe
Shape structure, the inside of housing offer cylindrical cavity, extension are provided at the top of housing；Inside the tubular structure of housing lower part
It is provided with clump weight；Interior plug includes integrally formed inner plug and interior chock plug, the shape of interior chock plug lower part and the circle of jacket internal
Cylindrical cavity is engaged, and the diameter on interior chock plug top is less than the diameter of corresponding cylindrical cavity, and interior chock plug top is arranged with
Sealing ring, the diameter of inner plug is identical with the outer diameter of the extension of housing, and handle is provided on inner plug.
In above-mentioned technical proposal, it is preferred that the lower end of inner plug is along the circumferential direction evenly equipped with several connection stakes；Outside housing
The connecting hole with being connected stake cooperation is provided on prolonging.
In above-mentioned technical proposal, it is preferred that the end for connecting stake is arranged with expansion loop, the bottom of connecting hole be provided with it is swollen
The groove of packing cooperation.
In above-mentioned technical proposal, it is preferred that the extension lower part of housing offers clearance groove close to housing tubulose structural portion,
Slot is in a ring.
In above-mentioned technical proposal, it is preferred that the bottom of housing and interior chock plug is respectively arranged with chamfering.
In above-mentioned technical proposal, it is preferred that the base diameter on the inside of the tubular structure of housing is less than top diameter；With housing
The base diameter of the interior chock plug of cooperation is less than top diameter.
The main advantageous effect of above-mentioned high temperature bell-type furnace outer cover heat emission hole insulator provided by the utility model is：
By installing insulator additional in type furnace outer cover top heat dissipation hole so that insulator is tightly combined with furnace lining material；When pulling out
During interior plug, high temperature gas flow forms gas channel by housing；Gas channel is isolated by housing, and high temperature gas flow will not be directly entered
Furnace lining and furnace shell air gap, and then furnace shell, anchoring piece and furnace lining material are protected, outer cover service life is made significantly to extend.
By the way that the outer inner plug that extends to is set to cooperate, and increase connection stake and the cooperation of connecting hole, can effectively improve
Sealing effect between interior plug and housing；By setting the expansion loop and groove of mutual cooperation in connection stake and connecting hole, make
Chock plug picking and placeing and installing compared with housing, can reach fixed position, improve the compactness of connection in obtaining, and prevent because interior
Installation between chock plug and housing is unsceptered, influences the sealing effect of insulator；By the way that housing and interior chock plug are arranged to lower diameter
Less than the structure of upper diameter, convenient for the extraction and installation of interior plug.
Pass through the lower part setting clump weight in housing so that after heat emission hole is deformed because of temperature change, be sleeved on gravity work outside
Under, remain to be fastenedly connected with heat emission hole；By setting sealing ring, the sealing effect in enhancing between chock plug and housing.
Description of the drawings
Fig. 1 is the structure diagram of high temperature bell-type furnace outer cover heat emission hole insulator.
Fig. 2 is the structure diagram of housing.
Fig. 3 is the structure diagram of interior plug.
Fig. 4 is the top view of housing.
Fig. 5 is the top view of interior plug.
Fig. 6 is the schematic diagram that type furnace outer cover heat emission hole is connected with insulator.
Wherein, 1, handle, 2, interior plug, 3, inner plug, 4, connecting hole, 5, clearance groove, 6, housing, 7, interior chock plug, 8, connection
Stake, 9, extension, 10, clump weight, 11, sealing ring, 12, expansion loop.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, it is the structure diagram of high temperature bell-type furnace outer cover heat emission hole insulator.
The high temperature bell-type furnace outer cover heat emission hole insulator of the utility model includes housing 6 and Nei Sai 2, the material of housing 6 and interior plug 2
Matter is ceramic material；As shown in Fig. 2, housing 6 is in tubular construction, the bottom of housing 6 is provided with chamfering；The tubulose knot of housing 6
The base diameter of structure is less than top diameter, and the inside of housing 6 offers cylindrical cavity, and the top of housing 6 is provided with extension 9,
9 lower part of extension of housing 6 offers clearance groove 5 close to 6 tubular structure portion of housing, clearance groove 5 in a ring, the pipe of 6 lower part of housing
Shape inside configuration is provided with clump weight 10；Pass through the lower part setting clump weight 10 in housing 6 so that when heat emission hole is because of temperature change
After deformation, housing 6 under the effect of gravity, remains to be fastenedly connected with heat emission hole.
As shown in figure 3, interior plug 2 includes integrally formed inner plug 3 and interior chock plug 7, the shape and housing of interior 7 lower part of chock plug
Cylindrical cavity inside 6 is engaged, and the bottom of interior chock plug 7 is provided with chamfering；The diameter on interior 7 top of chock plug is less than corresponding
The diameter of cylindrical cavity, interior 7 top of chock plug are arranged with sealing ring 11；The diameter of inner plug 3 and the outer diameter of the extension 9 of housing 6
It is identical, as shown in figure 4, the lower end of inner plug 3 is along the circumferential direction evenly equipped with several connection stakes 8；It is provided in the extension 9 of housing 6
Connecting hole 4 with being connected the cooperation of stake 8, the end of connection stake 8 are arranged with expansion loop 12, the bottom of the connecting hole 4 be provided with
The groove that expansion loop 12 coordinates；As shown in figure 5, handle 1 is provided on inner plug 3.
By the way that extension 9 and inner plug 3 is set to cooperate, and increase connection stake 8 and the cooperation of connecting hole 4, it can be effective
Sealing effect in improving between plug 2 and housing 6；By in connection stake 8 and the expansion loop 12 that mutual cooperation is set on connecting hole 4
With groove so that interior chock plug 7 picking and placeing and installing compared with housing 6, can reach fixed position, improves the close of connection
Property, it prevents from, because the installation between interior chock plug 7 and housing 6 is unsceptered, influencing the sealing effect of insulator；By by housing 6 and interior plug
First 7 are arranged to the structure that lower diameter is less than upper diameter, convenient for the extraction and installation of interior plug 2.
As shown in fig. 6, by installing insulator additional in type furnace outer cover top heat dissipation hole so that insulator is combined tightly with furnace lining material
It is close；When pulling out interior plug 2, high temperature gas flow forms gas channel by housing 6；Gas channel is isolated by housing 6, high temperature gas flow
Furnace lining and furnace shell air gap will not be directly entered, and then protects furnace shell, anchoring piece and furnace lining material, makes outer cover service life notable
Extend.
Specific embodiment of the present utility model is described above, in order to facilitate understanding by those skilled in the art
The utility model, it should be apparent that the utility model is not limited to the scope of specific embodiment, to the common skill of the art
For art personnel, if various change appended claim limit and the spirit and scope of definite the utility model in,
These variations are it will be apparent that all utilize the innovation and creation of the utility model design in the row of protection.
Claims (6)
1. a kind of high temperature bell-type furnace outer cover heat emission hole insulator, which is characterized in that including housing (6) and interior plug (2), housing (6) is in
Tubular structure, the inside of housing (6) offer cylindrical cavity, extension (9) are provided at the top of housing (6)；Housing (6) lower part
Tubular structure be internally provided with clump weight (10)；Interior plug (2) includes integrally formed inner plug (3) and interior chock plug (7), interior plug
The cylindrical cavity that the shape of head (7) lower part is internal with housing (6) is engaged, and the diameter on interior chock plug (7) top is less than corresponding
Cylindrical cavity diameter, interior chock plug (7) top is arranged with sealing ring (11), and the diameter of inner plug (3) is outer with housing (6)
It is identical to prolong the outer diameter of (9), handle (1) is provided on inner plug (3).
2. high temperature bell-type furnace outer cover heat emission hole insulator according to claim 1, which is characterized in that the inner plug (3)
Lower end is along the circumferential direction evenly equipped with several connection stakes (8)；The company with being connected stake (8) cooperation is provided in the extension (9) of housing (6)
Connect hole (4).
3. high temperature bell-type furnace outer cover heat emission hole insulator according to claim 2, which is characterized in that the connection stake (8)
End is arranged with expansion loop (12), and the bottom of the connecting hole (4) is provided with the groove with expansion loop (12) cooperation.
4. high temperature bell-type furnace outer cover heat emission hole insulator according to claim 1, which is characterized in that outside the housing (6)
Prolong (9) lower part and offer clearance groove (5) close to housing (6) tubular structure portion, clearance groove (5) is in a ring.
5. high temperature bell-type furnace outer cover heat emission hole insulator according to claim 1, which is characterized in that the housing (6) and interior
The bottom of chock plug (7) is respectively arranged with chamfering.
6. high temperature bell-type furnace outer cover heat emission hole insulator according to claim 1, which is characterized in that the pipe of the housing (6)
Base diameter on the inside of shape structure is less than top diameter；It is straight to be less than top with the base diameter of the interior chock plug (7) of housing (6) cooperation
Footpath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434854.6U CN207391501U (en) | 2017-10-31 | 2017-10-31 | A kind of high temperature bell-type furnace outer cover heat emission hole insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721434854.6U CN207391501U (en) | 2017-10-31 | 2017-10-31 | A kind of high temperature bell-type furnace outer cover heat emission hole insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207391501U true CN207391501U (en) | 2018-05-22 |
Family
ID=62327771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721434854.6U Expired - Fee Related CN207391501U (en) | 2017-10-31 | 2017-10-31 | A kind of high temperature bell-type furnace outer cover heat emission hole insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207391501U (en) |
-
2017
- 2017-10-31 CN CN201721434854.6U patent/CN207391501U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20191031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |