CN209386807U - A kind of aluminium alloy high-temperature heater oven door sealing part and sealing device - Google Patents
A kind of aluminium alloy high-temperature heater oven door sealing part and sealing device Download PDFInfo
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- CN209386807U CN209386807U CN201822176742.6U CN201822176742U CN209386807U CN 209386807 U CN209386807 U CN 209386807U CN 201822176742 U CN201822176742 U CN 201822176742U CN 209386807 U CN209386807 U CN 209386807U
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Abstract
The utility model discloses a kind of aluminium alloy high-temperature heater oven door sealing part and sealing devices, belong to high furnace door sealing device, the technical problems to be solved in the utility model is the compression deformation for how increasing sealing element, elastic compensating ability and resilience, realize that sealing element is posted with fire door laminating mechanism, avoid fire door gas leakage, a kind of technical solution are as follows: 1. aluminium alloy high-temperature heater oven door sealing part, the sealing element uses elastic sealing element, elastic sealing element includes sealed body portion, the upper side in sealed body portion is provided with top surface compression zone, the downside in sealed body portion is provided with bottom surface interconnecting piece, the middle position in sealed body portion is provided at least one elastic cavity, elastic adhesive tape is provided in elastic cavity.2. a kind of aluminium alloy high-temperature heater furnace door sealing device, including fire door front wall, fire door laminating mechanism, sealing element installation card slot and sealing element, the upper side of fire door front wall is arranged in sealing element installation card slot, and sealing element setting is in sealing element installation card slot.
Description
Technical field
The utility model relates to furnace door sealing device, specifically a kind of aluminium alloy high-temperature heater oven door sealing part and
Sealing device.
Background technique
Aluminium heating furnace be for Aluminum sheets, foil, profile (hereinafter referred to as: furnace charge) carry out high-temperature heat treatment (homogeneous moves back
Fire, quenching) heating equipment, the furnace operation temperature of aluminium heating furnace at 100-600 DEG C, furnace charge be sent into from fire door/transport furnace
Thorax, since useful load is big, the figure of aluminium heating furnace is all huger, and the size bandpass of fire door is 2000-3000mm, height
For 2000-3400mm, fire door main body is thermally shielded by structure steel fabrication, central filler thermal insulation material, and fire door passes through laminating mechanism
Sealing element is compressed, by high-temperature furnace gas barrier in burner hearth, furnace gas leakage is prevented, improves oven cavity atmosphere uniformity, reduces energy consumption.
Prior art majority carries out oven door sealing, tool using the solid seal that local shore hardness is about 40-50HA
There is good high temperature resistance, can be used for a long time in -60 DEG C -+200 DEG C temperature ranges, has certain bullet in fire door pressing
Property deformation, to play the role of being bonded with fire door laminating mechanism, seal.But since the outer dimension of fire door is huge, fire door steel knot
Structure can be because there is laminating mechanism in the reasons such as welding stress deformation, deformation induced by gravity, production high temperature temperature distortion in production
Local relief, arch such as stick up at the out-of-flatnesses problem, when fire door compresses, since the laminating mechanism and solid seal of fire door are to carry out
" face " contact, it is small that this way of contact directly results in the dispersion of fire door pressing force, local pressure, can only make solid seal with
Most of smooth fire door laminating mechanism fitting, but can be as suffered by solid seal at the part out-of-flatness of fire door laminating mechanism
Local pressure is small, can not further elastic compression deflection and both occur is not bonded, there are the failures of the oven door sealings such as gap
Problem, and then cause that furnace gas leakage, fire box temperature are uneven, influence the problems such as product thermal treatment quality, the seal failure of fire door
Problem is directly related to heating process control, temperature uniformity and the furnace charge stability and aluminium heating furnace of aluminium heating furnace
One very important technical examination index.
To solve oven door sealing Problem of Failure, the prior art, which generallys use, increases fire door compression power source, such as selects than former
The model cylinder for having cylinder bigger, due to fire door enormous size, is adopted with increasing pressing force and increasing more compression cylinders
It still can not thoroughly solve the problems, such as that fire door local compaction is hypodynamic with this method, and improvement cost is high, long construction period；?
Have using the methods of the sealing element for selecting shore hardness lower (such as 20-30HA), although sealing element hardness declines elastic compression
Deflection is big to can solve fire door leakage problem, but inevitable also brings that sealing element partially soft resilience is poor, structural strength is low easy
Rupture, the quick abrasion service life is short, needs the problems such as regular replacement.
In conclusion in the case where not increasing external compression power source, how to improve fire door bonding press structure pressure force,
Increase compression deformation, elastic compensating ability and the resilience of elastic compensating sealing element, realizes sealing element and fire door pressing machine
Structure posts, tight, and avoiding fire door gas leakage is technical problem urgently to be solved in currently available technology.
The patent document of Patent No. CN202692692U discloses high-temperature heater oven door sealing structure, including furnace body and
Fire door, furnace body side are equipped with fire door, and furnace body is equipped with furnace panel, and furnace panel and vertical direction form inclination angle, and fire door passes through elevator
Structure is connect with the open-close type that furnace body forms vertical direction, and fire door side is equipped with upper bottom roller, and furnace panel is equipped with outwardly directed lead
To plate, when dropping to fire door with furnace body close to closed position along riser guide, guide plate is contacted with the idler wheel of fire door, and by
The gravitational force urges fire door and furnace panel of fire door itself, which are formed, to be tightly connected.But the technical solution is the rigid seal used, furnace
Door sealing is poor, and there are gas leakage gaps.
Summary of the invention
The technical assignment of the utility model is to provide a kind of aluminium alloy high-temperature heater oven door sealing part and sealing device, comes
How solution increases compression deformation, elastic compensating ability and the resilience of sealing element, realizes sealing element and fire door pressing machine
Structure posts, tight, avoids the problem that fire door gas leakage.
The technical assignment of the utility model realizes in the following manner, a kind of aluminium alloy high-temperature heater oven door sealing
Part, the sealing element use elastic sealing element, and elastic sealing element includes sealed body portion, and the upper side in sealed body portion is provided with top
Face compression zone, the downside in sealed body portion are provided with bottom surface interconnecting piece, and the middle position in sealed body portion is provided at least one
A elastic cavity is provided with elastic adhesive tape in elastic cavity.
Preferably, the two sides outer wall in the sealed body portion uses smooth enclosed construction, without stomata, sealing element is improved
Air-tightness, local shore hardness is about 40-50HA；Several stomatas are provided in the both ends of the surface in sealed body portion, stomata is
Several Minute pores formed during sealed body portion is manufactured through gas overcharging, foam process, stomata can be improved close
The integral, flexible of sealing reduces bulk density, enhancing sealing element heat-proof quality；Sealed body portion uses high temperature resistant silica gel or rubber
Sealing element made of glue.
Preferably, the elastic cavity is in rectangle, ellipse, circle or polygon, elastic adhesive tape and elastic cavity
Shape is identical, is equipped with gap, a side between the outer wall in elastic cavity and sealed body portion, top surface compression zone and bottom surface interconnecting piece
Face makes elastic sealing element have more compressive deformation spaces when by fire door pressure force, on the other hand after door opened,
So that elastic sealing element is sprung back recovery rapidly, guarantees that there is stronger flexible deformation after deformation, to be sufficiently bonded out-of-flatness
Fire door laminating mechanism；Wherein, elastic cavity preferably two, two elastic cavities are not of uniform size, be generally proximal to arc-shaped top surface by
The elastic cavity area of splenium is smaller, helps to improve the intensity of arc-shaped top surface compression zone, and elastic cavity is preferably oval.
More preferably, elastic cavity is filled and run through to the elastic adhesive tape, and elastic adhesive tape is resistance to using shore hardness 30-35's
High temperature silicon adhesive tape or rubber strip have good elasticity, and after elastic cavity is extruded, elastic adhesive tape is strongly compressed, savings
Certain compression elasticity supports the arc-shaped top surface compression zone above elastic cavity, help arc-shaped top surface compression zone according to
The different flatness of fire door laminating mechanism carries out flexible deformation, flexible fitting；After oven door opening, the elastic adhesive tape can be fast
Speed expansion, jacks up elastic cavity at rebound, helps elastic cavity to be returned to original position, prevents elastic cavity from shriveling, being recessed；
When the arc-shaped top surface compression zone is pierced or is ruptured due to cause specific, elastic adhesive tape can play the work of secondary seal
With.
More preferably, the bottom surface interconnecting piece is connected by the waveform bottom surface that several spaced circular grooves form
Portion, when effect is for sealed body portion to be fixed on sealing element installation card slot, the bottom surface interconnecting piece in sealed body portion need to be smeared resistance to
High-temperature glue is to play bonding, sealing function, if bottom surface interconnecting piece is a plane, can squeeze high temperature resistant viscose glue when fixed
Out, sealed body portion can influence fixed and sealing effect since the high temperature resistant viscose glue of bottom surface interconnecting piece is very little, or even fall off, wave
More high temperature resistant viscose glue can be saved in the circular groove of shape wave bottom surface interconnecting piece, when being conducive to improve the fixation of sealed body portion
Firmness and leakproofness.
More preferably, the cross section of the top surface compression zone is arc-shaped, and arc-shaped top surface compression zone is for contacting fire door pressure
Mechanism is closed, when fire door compresses, arc-shaped top surface compression zone can reduced compared to the planar shaped top surface compression zone of solid seal
With the contact area of fire door laminating mechanism, pressing pressure is improved, to be more prone to produce flexible deformation to adapt to the furnace of out-of-flatness
Door laminating mechanism.
A kind of aluminium alloy high-temperature heater furnace door sealing device, including the installation of fire door front wall, fire door laminating mechanism, sealing element
The upside of fire door front wall is arranged in card slot and above-mentioned aluminium alloy high-temperature heater oven door sealing part, sealing element installation card slot
Face, sealing element setting is in sealing element installation card slot, and fire door laminating mechanism is located at the top of sealing element installation card slot, sealing element
Downside and the upper side contact position of fire door front wall are provided with high temperature resistant adhesive-layer.
Preferably, the fire door laminating mechanism includes firedoor frame steel skeleton and press strip, press strip is arranged in firedoor frame reinforcing bar
Between frame downside and sealing element upper side, firedoor frame steel skeleton is welded and fixed with press strip to be connect, and is welded appropriate to the occasion using continuous close
It seals welding procedure (being fully welded), guarantees there is no the problems such as stomata, slag inclusion, solder skip between firedoor frame steel skeleton and press strip, prevent from producing
When fire door bonding press structure gas leakage.
More preferably, the circular in cross-section of the press strip, rectangle or polygon, press strip use round steel, rectangle steel or polygon
Shape steel, pref. cylindrical press strip have more because cylindrical layering structure intensity is good, is not easy to puncture sealing element when being welded and fixed
Good non-deformability.
More preferably, the sealing element installation card slot is the card slot being welded by two angle steel or two band steels, in aluminium heating furnace
It is upper to need good leakproofness, therefore do not adopt with U-type groove come fixing seals, because when U-type groove is fixed on fire door front wall
Sealing welding need to be attached to guarantee to occur under high temperature environment leakage problem, but the mode for connecting sealing welding will
The welding stress deformation for causing U-type groove and fire door front wall influences the leakproofness of fire door.
The aluminium alloy high-temperature heater oven door sealing part and sealing device of the utility model have the advantage that
(1), the utility model is not in the case where increasing external compression power source (such as cylinder), by pressing to fire door
The structure of press mechanism and sealing element improve, improve fire door bonding press structure pressure force, increase elastic sealing element compression deformation,
Elastic compensating ability and resilience, solve solid seal existing in the prior art be not bonded with fire door laminating mechanism,
Gap and leakage problem；
(2), the utility model delicate structure is not needing the case where increasing external compression power source (cylinder, electric cylinder)
Lower pass through changes fire door laminating mechanism and elastic sealing element force structure, plays raising fire door laminating mechanism and is applied to elastic packing
The pressure of part, be pressurized by elastic cavity after deformation allow elastic sealing element than existing solid seal integrally or part tool
There are more compression deformations to be sufficiently bonded whole (including smooth position and out-of-flatness part) fire door laminating mechanism, realizes whole
The integral sealing of body fire door effectively solves the problems, such as the seal failure of fire door local deformation and its initiation, while the wave of elastic packing
Shape wave bottom surface interconnecting piece saves more high temperature resistant viscose glues, and improving sealing element, sealing element and fire door front wall install bottom during installation
The fastness and leakproofness of plate；
(3), the utility model is applied in Large-scale Heater oven door sealing, can be the case where not increasing extrinsic motive source
The fire door of lower sufficiently fitting out-of-flatness presses steel plate, generates without gap, and fire door overall tightness is good, and burner hearth hot gas does not run leakage,
Reset can be sprung back after oven door opening rapidly, it is durable.
Therefore the utility model has reasonable, simple, easy to process, small in size, easy to use, multi-purpose content of structure of design etc.
Feature, thus, it has good value for applications.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Attached drawing 1 is the structural schematic diagram of aluminium alloy high-temperature heater oven door sealing part；
Attached drawing 2 is the structural schematic diagram of aluminium alloy high-temperature heater oven door sealing.
In figure: 1, sealing element, 1-1, sealed body portion, 1-2, top surface compression zone, 1-3, bottom surface interconnecting piece, 1-4, elasticity are empty
Chamber, 1-5, elastic adhesive tape, 1-6, outer wall, 1-7, stomata, 1-8, circular groove, 2, fire door front wall, 3, fire door laminating mechanism, 3-
1, firedoor frame steel skeleton, 3-2, press strip, 4, sealing element installation card slot, 5, high temperature resistant adhesive-layer.
Specific embodiment
Referring to Figure of description and specific embodiment to a kind of aluminium alloy high-temperature heater oven door sealing of the utility model
Part and sealing device are described in detail below.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical" "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description.Rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation of the utility model.This
Outside, term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be and be directly connected to, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment 1:
As shown in Fig. 1, the utility model aluminium alloy high-temperature heater oven door sealing part, the sealing element 1 are close using elasticity
Sealing, elastic sealing element 1 include sealed body portion 1-1, and the two sides outer wall 1-6 of sealed body portion 1-1 uses smooth enclosed construction,
There is no stomata, improves sealing element air-tightness, local shore hardness is about 40-50HA；In the both ends of the surface of sealed body portion 1-1
There are several stomata 1-7, if stomata 1-7 is to be formed during sealed body portion 1-1 is manufactured through gas overcharging, foam process
Dry Minute pores 1-7, stomata 1-7 can be improved the integral, flexible of sealing element, reduce bulk density, enhancing sealing element thermal insulation
Energy；Sealed body portion 1-1 is using sealing element made of high temperature resistant silica gel or rubber.The upper side of sealed body portion 1-7 is top
The cross section of face compression zone 1-2, top surface compression zone 1-2 are low in both sides, intermediate height is arc-shaped, and arc-shaped top surface compression zone 1-2 is used
In contact fire door laminating mechanism 3, when fire door compresses, arc-shaped top surface compression zone 1-2 compares the planar shaped top surface of solid seal
Compression zone can reduce the contact area with fire door laminating mechanism 3, improve pressing pressure, promote arc-shaped top surface compression zone 1-
2 flexible deformation, it is easier to be bonded with 3 deformation of fire door laminating mechanism of out-of-flatness, to be more prone to produce flexible deformation with suitable
The fire door laminating mechanism 3 for answering out-of-flatness, prevents gap and gas leakage.The downside of sealed body portion 1-1 is bottom surface interconnecting piece
The waveform bottom surface interconnecting piece that 1-3, bottom surface interconnecting piece 1-3 are made of several spaced circular groove 1-8, acts on
When sealed body portion 1-1 is fixed on sealing element installation card slot 4, the bottom surface interconnecting piece 1-3 of sealed body portion 1-1 needs to smear
High temperature resistant viscose glue is to play bonding, sealing function, can be by high temperature resistant when fixed if bottom surface interconnecting piece 1-3 is a plane
Viscose glue squeezes out, and sealed body portion 1-1 can influence fixed and sealing effect since the high temperature resistant viscose glue of bottom surface interconnecting piece 1-3 is very little
Fruit, or even fall off, more high temperature resistant viscose glue can be saved in the circular groove 1-8 of waveform bottom surface interconnecting piece 1-3, be conducive to
Improve the firmness and leakproofness when sealed body portion 1-1 is fixed.The middle position of sealed body portion 1-1 open up there are two elasticity
Cavity 1-4, two elastic cavity 1-4 are not of uniform size, are generally proximal to the elastic cavity 1-4 area of arc-shaped top surface compression zone 1-2
It is smaller, help to improve the intensity of arc-shaped top surface compression zone 1-2.Elastic cavity 1-4 is oval, elastic adhesive tape 1-5 and bullet
Property cavity 1-4 shape it is identical, outer wall 1-6, the top surface compression zone 1-2 and bottom surface of elastic cavity 1-4 and sealed body portion 1-1 connect
It is equipped with gap between socket part 1-3, on the one hand makes elastic sealing element 1 that there are more compressive deformations when by fire door pressure force
Space allows elastic sealing element 1 to spring back recovery rapidly on the other hand after door opened, guarantees to have after deformation stronger
Flexible deformation, to be sufficiently bonded the fire door laminating mechanism of out-of-flatness.Elastic adhesive tape 1-5 fills and runs through elastic cavity 1-4, elasticity
Adhesive tape 1-5 uses the high temperature resistant silicon adhesive tape or rubber strip of shore hardness 30-35, has good elasticity, when elastic cavity 1-4 quilt
After extruding, elastic adhesive tape 1-5 is strongly compressed, and puts aside certain compression elasticity, supports arc-shaped above elastic cavity 1-4
Top surface compression zone 1-2 helps arc-shaped top surface compression zone 1-2 to carry out elastic change according to the different flatness of fire door laminating mechanism 3
Shape, flexible fitting；After oven door opening, elastic adhesive tape 1-5 can be expanded rapidly, be sprung back, jacking up elastic cavity 1-4, help bullet
Property cavity 1-4 is returned to original position, prevents elastic cavity 1-4 from shriveling, being recessed；When arc-shaped top surface compression zone 1-2 due to
When cause specific is pierced or ruptures, elastic adhesive tape 1-5 can play the role of secondary seal.
Embodiment 2:
As shown in Fig. 2, the aluminium alloy high-temperature heater furnace door sealing device of the utility model, including fire door front wall 2, furnace
The aluminium alloy high-temperature heater oven door sealing part 1 of door laminating mechanism 3, sealing element installation card slot 4 and embodiment 1, elastic packing
The length of part 1 is depending on fire door size, and two interfaces must be docked neat and be bonded secured when construction.Sealing element installs card slot 4
It is mounted on the upper side of fire door front wall 2, sealing element 1 is mounted in sealing element installation card slot 4, and fire door laminating mechanism 3 is located at sealing
Part installs the top of card slot 4, and the downside of sealing element 1 and the upper side contact position of fire door front wall 2 are coated with high temperature resistant adhesive-layer 5.
Fire door laminating mechanism 3 includes firedoor frame steel skeleton 3-1 and press strip 3-2, and press strip 3-2 is mounted on the downside firedoor frame steel skeleton 3-1
Between 1 upper side of sealing element, firedoor frame steel skeleton 3-1 is welded and fixed with press strip 3-2 and connect, and welds appropriate to the occasion using continuous sealing
Welding procedure (is fully welded), is guaranteed do not have the problems such as stomata, slag inclusion, solder skip between firedoor frame steel skeleton 3-1 and press strip 3-2, is prevented
Fire door bonding press structure gas leakage when production.The circular in cross-section of press strip 3-2, press strip 3-2 uses round steel, because of cylindrical press strip
3-2 structural strength is good, is not easy to puncture sealing element, has better non-deformability when being welded and fixed.Sealing element installs card slot 4
It is the card slot being welded by two angle steel or two band steels, good leakproofness is needed on aluminium heating furnace, therefore do not adopt and use U
Type groove carrys out fixing seals, because need to be attached sealing welding when U-type groove is fixed on fire door front wall to guarantee in high temperature ring
Leakage problem will not occur under border, but the mode for connecting sealing welding will cause the welding stress of U-type groove and fire door front wall to become
Shape influences the leakproofness of fire door.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of aluminium alloy high-temperature heater oven door sealing part, which is characterized in that the sealing element uses elastic sealing element, and elasticity is close
Sealing includes sealed body portion, and the upper side in sealed body portion is provided with top surface compression zone, the downside setting in sealed body portion
There is bottom surface interconnecting piece, the middle position in sealed body portion is provided at least one elastic cavity, and setting is flexible in elastic cavity
Adhesive tape.
2. aluminium alloy high-temperature heater oven door sealing part according to claim 1, which is characterized in that the sealed body portion
Two sides outer wall use smooth enclosed construction, several stomatas are provided in the both ends of the surface in sealed body portion, sealed body portion uses
Sealing element made of high temperature resistant silica gel or rubber.
3. aluminium alloy high-temperature heater oven door sealing part according to claim 1 or 2, which is characterized in that the elasticity is empty
Chamber is in rectangle, ellipse, circle or polygon, and elastic adhesive tape is identical as the shape of elastic cavity, elastic cavity and sealed body
Gap is equipped between the outer wall in portion, top surface compression zone and bottom surface interconnecting piece.
4. aluminium alloy high-temperature heater oven door sealing part according to claim 3, which is characterized in that the elastic adhesive tape is filled out
Elastic cavity is filled and runs through, elastic adhesive tape uses the high temperature resistant silicon adhesive tape or rubber strip of shore hardness 30-35.
5. aluminium alloy high-temperature heater oven door sealing part according to claim 4, which is characterized in that the bottom surface interconnecting piece
The waveform bottom surface interconnecting piece being made of several spaced circular grooves.
6. aluminium alloy high-temperature heater oven door sealing part according to claim 5, which is characterized in that the top surface compression zone
Cross section be arc-shaped.
7. a kind of aluminium alloy high-temperature heater furnace door sealing device, which is characterized in that including fire door front wall, fire door laminating mechanism,
Sealing element installs aluminium alloy high-temperature heater oven door sealing part described in any one of card slot and claim 1-6, sealing
The upper side of fire door front wall is arranged in part installation card slot, and sealing element setting is in sealing element installation card slot, fire door laminating mechanism position
In the top of sealing element installation card slot, the downside of sealing element and the upper side contact position of fire door front wall are provided with high temperature resistant viscose glue
Layer.
8. aluminium alloy high-temperature heater furnace door sealing device according to claim 7, which is characterized in that the fire door pressing
Mechanism includes firedoor frame steel skeleton and press strip, and press strip is arranged between firedoor frame steel skeleton downside and sealing element upper side, furnace
Doorframe steel skeleton is welded and fixed with press strip to be connect.
9. aluminium alloy high-temperature heater furnace door sealing device according to claim 8, which is characterized in that the cross of the press strip
Section is rounded, rectangle or polygon, press strip use round steel, rectangle steel or polygon steel.
10. according to aluminium alloy high-temperature heater furnace door sealing device described in claim 7 or 8 or 9, which is characterized in that described
It is the card slot being welded by two angle steel or two band steels that sealing element, which installs card slot,.
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| CN201822176742.6U CN209386807U (en) | 2018-12-24 | 2018-12-24 | A kind of aluminium alloy high-temperature heater oven door sealing part and sealing device |
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| CN201822176742.6U CN209386807U (en) | 2018-12-24 | 2018-12-24 | A kind of aluminium alloy high-temperature heater oven door sealing part and sealing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360228A (en) * | 2020-04-08 | 2020-07-03 | 秦皇岛信能能源设备有限公司 | Furnace body of hub die casting machine |
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2018
- 2018-12-24 CN CN201822176742.6U patent/CN209386807U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111360228A (en) * | 2020-04-08 | 2020-07-03 | 秦皇岛信能能源设备有限公司 | Furnace body of hub die casting machine |
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