CN1643169A - Vertical muffle type heat treating furnace - Google Patents
Vertical muffle type heat treating furnace Download PDFInfo
- Publication number
- CN1643169A CN1643169A CNA038071797A CN03807179A CN1643169A CN 1643169 A CN1643169 A CN 1643169A CN A038071797 A CNA038071797 A CN A038071797A CN 03807179 A CN03807179 A CN 03807179A CN 1643169 A CN1643169 A CN 1643169A
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- Prior art keywords
- retort furnace
- furnace
- zone
- elongation
- heat treatment
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Classifications
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0043—Muffle furnaces; Retort furnaces
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
- C21D9/565—Sealing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/06—Details, accessories, or equipment peculiar to furnaces of these types
- F27B5/10—Muffles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
- F27B9/08—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated through chamber walls
- F27B9/082—Muffle furnaces
- F27B9/084—Muffle furnaces the muffle being fixed and in a single piece
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/66—Tower-type furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/142—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving along a vertical axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
Abstract
A vertical muffle type heat treating furnace, comprising a vertically disposed muffle allowing metal strips to be led therein from an upper side to a lower side, a heating zone for heating, from the outside of the muffle, the metal strips passing through the inside of the muffle, a cooling zone for cooling the metal strips on the downstream side of the muffle in the moving direction of the metal strips, and an extendable muffle extension adjusting zone for fixing the upper end side of the muffle and bringing an area between the lower end part of the muffle and the cooling zone in sealed state.
Description
Technical field
The present invention relates to setting type retort furnace formula heat treatment furnace, especially in setting type retort furnace formula heat treatment furnace, comprising: in inside with the metal strip retort furnace of vertical configuration of channeling conduct from top to bottom; The heating zone of the above-mentioned metal strip by retort furnace inside being heated from the outside of this retort furnace; And the metal strip after the position in the travel direction downstream side of the metal strip of above-mentioned retort furnace is to above-mentioned heating carries out the refrigerative cooling zone, has can be simply the elongation of the retort furnace after the heating to be given absorbing features.
Background technology
Use setting type retort furnace formula heat treatment furnace when metal strips such as stainless steel being annealed in the past.
In this setting type retort furnace formula heat treatment furnace, the upper end of retort furnace is fixed, retort furnace is vertically disposed, the heating zone of retort furnace being heated from the outside of this retort furnace is set simultaneously, in this retort furnace metal strip is guided from bottom to top, the metal strip to the inside by retort furnace in above-mentioned heating zone heats.So the metal strip after the heating cools off in the cooling zone of the upside that is arranged on retort furnace, makes metal strip annealing.Above-mentioned cooling zone also comprises the situation that makes the slow refrigerative slow cooling of metal strip band.
Here, in such setting type retort furnace formula heat treatment furnace, owing to as mentioned above the upper end of retort furnace is fixed, so in the above-mentioned heating zone, after retort furnace was heated to about 900～1200 ℃, this retort furnace expanded because of heat, extended towards the below because of its weight simultaneously, especially as mentioned above, metal strip is heated from bottom to top with guiding, so the temperature of the upper side of this retort furnace increases, it is big that the elongation of retort furnace becomes, thereby there are problems such as retort furnace is elongated gradually in viscous deformation.
In addition, in recent years as special table 2000-508712 communique discloses, following technical scheme is proposed: the bottom of retort furnace is fixed, retort furnace is vertically disposed, the heating zone of retort furnace being heated from the outside of this retort furnace is set simultaneously, in this retort furnace metal strip is guided from the top down, the metal strip to the inside by retort furnace in above-mentioned heating zone heats.So the metal strip after the heating cools off in the cooling zone that is arranged on the retort furnace downside, makes metal strip annealing.
But, as mentioned above, in bottom fixed occasion with retort furnace, exist when the heating zone after retort furnace is heated to about 900～1200 ℃, retort furnace can not make retort furnace produce the problem that bends well to the upside elongation.
Therefore, in the structure shown in the above-mentioned communique, be provided with,, retort furnace extended towards the top, thereby prevent the retort furnace bending by this supporting device with the upper end of retort furnace supporting device towards the top pulling.
But as mentioned above, be provided with the upper end of retort furnace towards above the occasion of tensile supporting device, it is complicated that structure becomes, cost increases thus, and be difficult to regulate upper end with retort furnace suitably towards top tensile power with above-mentioned supporting device, existence is excessive when the drawing force of supporting device, then retort furnace excessively produces viscous deformation towards the elongation of top, and on the other hand, its drawing force is too small, then retort furnace produces such problem that bends.
Content of the present invention
The present invention is used for the above-mentioned variety of issue that metal strip annealed setting type retort furnace formula heat treatment furnaces such as stainless steel exist with solution be problem.
Setting type retort furnace formula heat treatment furnace of the present invention comprises: in inside with the metal strip retort furnace of vertical configuration of channeling conduct from the top down; The heating zone of the above-mentioned metal strip by retort furnace inside being heated from the outside of this retort furnace; And the metal strip after the position in the travel direction downstream side of the metal strip of above-mentioned retort furnace is to above-mentioned heating carries out the refrigerative cooling zone, its objective is the elongation that can absorb the retort furnace after the heating simply.
Setting type retort furnace formula heat treatment furnace of the present invention comprises: in inside with the metal strip retort furnace of vertical configuration of channeling conduct from the top down; The heating zone of the above-mentioned metal strip by retort furnace inside being heated from the outside of this retort furnace; And the metal strip after the position in the travel direction downstream side of the metal strip of above-mentioned retort furnace is to above-mentioned heating carries out the refrigerative cooling zone, the upper end side of described retort furnace is fixed, and be provided with between the bottom make this retort furnace and the cooling zone and become air-tight state, retractile retort furnace elongation accommodation zone.Above-mentioned cooling zone also comprises the situation that makes the slow refrigerative slow cooling of metal strip band.
Setting type retort furnace formula heat treatment furnace of the present invention, if the upper end side of retort furnace is fixed, then in the inside of retort furnace on one side with metal strip channeling conduct from the top down, the occasion of utilizing the heating zone to heat on one side, this retort furnace extends towards the below, can not make retort furnace produce bending as the occasion of fixing retort furnace bottom.
In addition, in setting type retort furnace formula heat treatment furnace of the present invention, owing to be provided with and become air-tight state, retractile retort furnace elongation accommodation zone between the bottom that makes this retort furnace and the cooling zone, so when described retort furnace when extend the below, the elongation of this retort furnace is absorbed by above-mentioned retort furnace elongation accommodation zone, simultaneously can prevent to comprise of the leakage of the inflammable gas of hydrogen in interior retort furnace, and the metal strip after suppressing to heat does not contact and oxidation with outer gas etc. to the outside.
In addition, in setting type retort furnace formula heat treatment furnace of the present invention, upper end with retort furnace need not be set towards top tensile supporting device as above-mentioned communique, thereby do not need to make retort furnace elongation rationally and drawing force is controlled so difficult operation, can absorb the elongation of the retort furnace of heating simply towards the top by this supporting device.
Here, in setting type retort furnace formula heat treatment furnace of the present invention, make when becoming air-tight state, retractile retort furnace elongation accommodation zone between the bottom of this retort furnace and the cooling zone in setting, such as, be provided with the cyclic folding and unfolding portion of the prescribed depth that holds moisture free liquid on the top of above-mentioned cooling zone, simultaneously the lower end of above-mentioned retort furnace be provided with towards below the sealing member of the tubular that extends, this sealing is inserted in the aforesaid liquid be contained in the folding and unfolding portion with member, and can make between the bottom of retort furnace and the cooling zone becomes air-tight state.In addition, between the bottom and cooling zone of above-mentioned retort furnace, the stable on heating transom that the cylindrical shell by telescopic snake abdomen shape constitutes is set, making between the bottom of retort furnace and the cooling zone by this transom becomes air-tight state.
In addition, in setting type retort furnace formula heat treatment furnace of the present invention, in order to prevent preferably to be provided with above-mentioned retort furnace elongation accommodation zone is carried out the refrigerative refrigerating unit and suppresses the heated thermal insulation member of retort furnace elongation accommodation zone because of heat makes moisture-free liquid evaporation and the bad change of stable on heating transom in the above-mentioned retort furnace elongation accommodation zone.
The simple declaration of accompanying drawing
Fig. 1 is the summary cross-sectional illustration figure of the setting type retort furnace formula heat treatment furnace of the expression embodiment of the invention.
Fig. 2 is that the retort furnace of the setting type retort furnace formula heat treatment furnace of the expression embodiment of the invention 1 extends the cross-sectional illustration figure of the structure of accommodation zone.
Fig. 3 is that the retort furnace of the setting type retort furnace formula heat treatment furnace of the expression embodiment of the invention 2 extends the cross-sectional illustration figure of accommodation zone structure.
Embodiment
Below, be specifically described with reference to the setting type retort furnace formula heat treatment furnace of accompanying drawing embodiments of the invention.In addition, setting type retort furnace formula heat treatment furnace of the present invention is not limited to following embodiment, can carry out suitable change in aim scope of the present invention.
Embodiment 1
In the setting type retort furnace formula heat treatment furnace of embodiment 1, as shown in Figure 1, metal strip 2 by guiding channel 1 guiding is directed in the retort furnace 11 from the upper end of the retort furnace 11 that is filled with reducing gas such as hydrogen, and in these retort furnace 11 inside, described metal strip 2 moves from top to bottom.
In addition, the heating zone 12 that has heating units such as burner (not shown) in the periphery setting of this retort furnace 11, by this heating zone 12 from the outside of retort furnace 11 and above-mentioned metal strip 2 heating to moving from top to bottom in retort furnace 11 as mentioned above are heated to about 850～1150 ℃ above-mentioned metal strip 2.
With the metal strip 2 after heating like this by becoming the retractile retort furnace that air-tight state is provided with between above-mentioned retort furnace 11 and the cooling zone 20 and extend accommodation zone 30 for making, this metal strip 2 is guided to cooling zone 20, in this cooling zone 20, make above-mentioned metal strip 2 cooling annealing.In this cooling zone 20, also can be provided with and make above-mentioned metal strip 2 slow refrigerative slow cooling bands (not shown).
Here, in the setting type retort furnace formula heat treatment furnace of present embodiment 1, as shown in Figure 1, flange 13 is installed in the upper end of above-mentioned retort furnace 11, with the upper end of retort furnace 11 by this flange 13 and utilize stationary installation 14 to fix, with suspention retort furnace 11, as mentioned above, in heating zone 12,, retort furnace 11 is extended towards the below in the occasion that the metal strip 2 by retort furnace 11 inside is heated.
In addition, in the setting type retort furnace formula heat treatment furnace of present embodiment 1, as making retractile retort furnace elongation accommodation zone 30 airtight between above-mentioned retort furnace 11 and the cooling zone 20 as shown in Figure 2, be provided with the ring-type folding and unfolding portion 32 of the prescribed depth that holds moisture free liquid 31 on the top of above-mentioned cooling zone 20, and the lower end of above-mentioned retort furnace 11 be provided with by flange 33 towards below the tubular sealing of extending with member 34, this sealing is inserted in the aforesaid liquid 31 that is contained in the folding and unfolding portion 32 with member 34, make between the bottom of retort furnace 11 and the cooling zone 20 airtight.Above-mentioned moisture free liquid 31 does not get final product so long as do not influence the liquid of the dew point of retort furnace 11 inside, such as, while can cool off normally used turbine wet goods, circulate and use.
And, in the setting type retort furnace formula heat treatment furnace of present embodiment 1, in order to prevent that above-mentioned retort furnace from extending the increase in temperature of accommodation zone 30, making above-mentioned moisture free liquid 31 evaporations, in the interior all side of above-mentioned tubular sealing with member 34, being provided with from the flange 33 that is arranged on above-mentioned retort furnace 11 lower ends becomes the water-cooled cooling of cyclic with wall 35 towards the below, the part of all sides is made of with wall 32a water-cooled cooling too in the above-mentioned folding and unfolding portion 32.
In the setting type retort furnace formula heat treatment furnace of present embodiment 1, as mentioned above, when metal strip 2 is moved in retort furnace 11 from top to bottom, the occasion that in heating zone 12, heats by 11 pairs of metal strips 2 of retort furnace, retort furnace 11 extends towards the below, thus, the above-mentioned sealing that is arranged on retort furnace 11 lower ends with member 34 in the aforesaid liquid 31 of folding and unfolding folding and unfolding portion 32 in towards below mobile, the elongation of retort furnace 11 is absorbed by this retort furnace elongation accommodation zone 30, and retort furnace 11 can not produce bending.And, as mentioned above, retort furnace 11 towards below the elongation occasion, the above-mentioned sealing that is arranged on retort furnace 11 lower ends with 34 of members in the aforesaid liquid 31 of folding and unfolding in folding and unfolding portion 32 in towards below mobile, keep the bottom of retort furnace 11 and the air-tight state between the cooling zone 20, the metal strip 2 after the heating can not contact and oxidation with outer gas etc.
In addition, in the setting type retort furnace formula heat treatment furnace of present embodiment 1, as mentioned above, because the temperature increase of retort furnace elongation accommodation zone 30 is suppressed, thereby can prevent above-mentioned moisture free liquid 31 evaporations, can use steadily in the long term.
In the setting type retort furnace formula heat treatment furnace of embodiment 2, except make between above-mentioned retort furnace 11 and the cooling zone 20 occasion of airtight, retractile retort furnace elongation accommodation zone 30 and the setting type retort furnace formula heat treatment furnace of the foregoing description 1 different, all the other are identical with the setting type retort furnace formula heat treatment furnace of the foregoing description 1.
Here, in the setting type retort furnace formula heat treatment furnace of present embodiment 2, as above-mentioned retort furnace elongation accommodation zone 30, as shown in Figure 3, the stable on heating transom 36 that is made of telescopic snake abdomen shape cylindrical shell is set between the bottom of retort furnace 11 and cooling zone 20, and making between the bottom of retort furnace 11 and the cooling zone 20 by this transom 36 becomes air-tight state.
And, even the setting type retort furnace formula heat treatment furnace of present embodiment 2, for bad change takes place in the increase in temperature that prevents retort furnace elongation accommodation zone 30, above-mentioned stable on heating transom 36, interior all sides of this transom 36 be provided with from above-mentioned cooling zone 20 towards above become the cooling of cyclic water-cooled with wall 37, simultaneously in the interior all side of this cooling with wall 37, being provided with from the flange 33 of the lower end that is arranged on above-mentioned retort furnace 11 becomes the cooling of cyclic water-cooled with wall 35 towards the below.
In the setting type retort furnace formula heat treatment furnace of present embodiment 2, as mentioned above, when metal strip 2 is moved in retort furnace 11 from top to bottom, the occasion that in heating zone 12, heats by 11 pairs of metal strips 2 of retort furnace, retort furnace 11 is towards the below elongation, and thus, above-mentioned stable on heating transom 36 shrinks, the elongation of retort furnace 11 is absorbed by retort furnace elongation accommodation zone 30, and retort furnace 11 can not produce bending.And, keep air-tight state by above-mentioned stable on heating transom 35 between this retort furnace 11 and the cooling zone 20, the metal strip 2 after the heating can not contact and oxidation with outer gas etc.
The possibility of utilizing on the industry
As mentioned above, vertical muffle type heat treating furnace of the present invention comprises: inside with metal tape from To the lower Muffle furnace that guides, also vertically disposes; From the outside of this Muffle furnace to by Muffle furnace inside The above-mentioned metal tape heating tape of heating; And under the moving direction of the metal tape of above-mentioned Muffle furnace The salband that on the position of trip side the metal tape after the above-mentioned heating is cooled off is because with above-mentioned Muffle furnace Upper distolateral fixing, so metal tape is guided one from top to bottom on one side in the inside of Muffle furnace The occasion that heat with the heating tape on the limit, this Muffle furnace extends towards the below, and Muffle furnace can be as having fixed horse Not the occasion of stove bottom makes Muffle furnace produce bending like that.
In addition, in vertical muffle type heat treating furnace of the present invention, for the bottom of Muffle furnace with Make air-tight state between the salband and be provided with retractile Muffle furnace elongation accommodation zone, thereby as above Described, Muffle furnace towards below the occasion of elongation, the elongation of this Muffle furnace is regulated in the elongation of above-mentioned Muffle furnace Be absorbed simply in the band, the imflammable gas that can prevent from simultaneously containing in the Muffle furnace of hydrogen is let out to the outside Leak so can prevent from reliably heating after metal tape and outer gas etc. contact and oxidation.
Claims (5)
1. setting type retort furnace formula heat treatment furnace comprises: in inside with the metal strip retort furnace of vertical configuration of channeling conduct from top to bottom; The heating zone of the described metal strip by retort furnace inside being heated from the outside of this retort furnace; And on the position in the travel direction downstream side of the metal strip of described retort furnace, the metal strip after the described heating is carried out the refrigerative cooling zone, it is characterized in that, the upper end side of described retort furnace is fixed, and being provided with simultaneously between the bottom make this retort furnace and the cooling zone becomes air-tight state, retractile retort furnace elongation accommodation zone.
2. setting type retort furnace formula heat treatment furnace as claimed in claim 1 is characterized in that, described retort furnace elongation accommodation zone has: the ring-type folding and unfolding portion that is provided with the prescribed depth that holds moisture-free liquid on the top of described cooling zone; And the lower end of described retort furnace be provided with towards below the tubular sealing member that extends, this sealing is contained in the liquid in the described folding and unfolding portion with the member insertion, is sealed between the bottom of retort furnace and the cooling zone.
3. setting type retort furnace formula heat treatment furnace as claimed in claim 1 is characterized in that, described retort furnace elongation accommodation zone is the stable on heating transom that is made of the telescopic snake abdomen shape cylindrical shell that is arranged between described retort furnace bottom and the cooling zone.
4. as each described setting type retort furnace formula heat treatment furnace in the claim 1～3, it is characterized in that, be provided with and make described retort furnace elongation accommodation zone refrigerative refrigerating unit.
5. as each described setting type retort furnace formula heat treatment furnace in the claim 1～4, it is characterized in that, be provided with and suppress the heated thermal insulation member of described retort furnace elongation accommodation zone.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP120037/2002 | 2002-04-23 | ||
| JP2002120037A JP2003313613A (en) | 2002-04-23 | 2002-04-23 | Vertical, heat-treating muffle furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1643169A true CN1643169A (en) | 2005-07-20 |
Family
ID=29267351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA038071797A Pending CN1643169A (en) | 2002-04-23 | 2003-02-24 | Vertical muffle type heat treating furnace |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1498502A4 (en) |
| JP (1) | JP2003313613A (en) |
| KR (1) | KR20040101241A (en) |
| CN (1) | CN1643169A (en) |
| WO (1) | WO2003091462A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107848892A (en) * | 2015-06-29 | 2018-03-27 | 康宁股份有限公司 | Production line, method and sintered article |
| CN111065750A (en) * | 2017-10-05 | 2020-04-24 | 中外炉工业株式会社 | Vertical muffle heat treatment furnace |
| US10875212B2 (en) | 2015-06-29 | 2020-12-29 | Corning Incorporated | Manufacturing line, process, and sintered article |
| US11351697B2 (en) | 2015-06-29 | 2022-06-07 | Corning Incorporated | Manufacturing system, process, article, and furnace |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060098092A (en) * | 2005-03-08 | 2006-09-18 | 주식회사 포스코 | Apparatus for adjusting the position of muffle for vertical annealing furnace |
| DE102016007845A1 (en) * | 2016-06-27 | 2017-12-28 | Wsp Gmbh | Process for the rough cooling of steel strip during the hardening and tempering process in the run and apparatus for carrying out the method |
| CN107914057B (en) * | 2016-10-11 | 2020-11-24 | 张跃 | Cooling device with side heating function in furnace |
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| JPH0221757Y2 (en) * | 1986-03-25 | 1990-06-12 | ||
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| JP2753854B2 (en) * | 1989-04-19 | 1998-05-20 | 日新製鋼株式会社 | Vertical continuous annealing furnace |
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| JPH06207783A (en) * | 1993-01-11 | 1994-07-26 | Daido Steel Co Ltd | Vertical type muffle furnace |
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-
2002
- 2002-04-23 JP JP2002120037A patent/JP2003313613A/en active Pending
-
2003
- 2003-02-24 KR KR10-2004-7013172A patent/KR20040101241A/en not_active Application Discontinuation
- 2003-02-24 CN CNA038071797A patent/CN1643169A/en active Pending
- 2003-02-24 EP EP03707025A patent/EP1498502A4/en not_active Withdrawn
- 2003-02-24 WO PCT/JP2003/001996 patent/WO2003091462A1/en active Application Filing
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11148321B2 (en) | 2015-06-29 | 2021-10-19 | Corning Incorporated | Polycrystalline waveguide |
| US11351697B2 (en) | 2015-06-29 | 2022-06-07 | Corning Incorporated | Manufacturing system, process, article, and furnace |
| US10875212B2 (en) | 2015-06-29 | 2020-12-29 | Corning Incorporated | Manufacturing line, process, and sintered article |
| US10967539B2 (en) | 2015-06-29 | 2021-04-06 | Corning Incorporated | Manufacturing line, process, and sintered article |
| CN107848892B (en) * | 2015-06-29 | 2021-06-01 | 康宁股份有限公司 | Production line, method, and sintered product |
| CN113305997A (en) * | 2015-06-29 | 2021-08-27 | 康宁股份有限公司 | Production line, method, and sintered product |
| US11953264B2 (en) | 2015-06-29 | 2024-04-09 | Corning Incorporated | Manufacturing line, process, and sintered article |
| CN113305997B (en) * | 2015-06-29 | 2022-01-28 | 康宁股份有限公司 | Production line, method, and sintered product |
| CN107848892A (en) * | 2015-06-29 | 2018-03-27 | 康宁股份有限公司 | Production line, method and sintered article |
| US11577427B2 (en) | 2015-06-29 | 2023-02-14 | Corning Incorporated | Manufacturing system, process, article, and furnace |
| US11629915B2 (en) | 2015-06-29 | 2023-04-18 | Corning Incorporated | Method of manufacturing ceramic tape |
| US11745385B2 (en) | 2015-06-29 | 2023-09-05 | Corning Incorporated | Manufacturing system, process, article, and furnace |
| US11768032B2 (en) | 2015-06-29 | 2023-09-26 | Corning Incorporated | Method of manufacturing ceramic tape |
| US11919196B2 (en) | 2015-06-29 | 2024-03-05 | Corning Incorporated | Manufacturing system, process, article, and furnace |
| CN111065750A (en) * | 2017-10-05 | 2020-04-24 | 中外炉工业株式会社 | Vertical muffle heat treatment furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040101241A (en) | 2004-12-02 |
| EP1498502A4 (en) | 2007-10-03 |
| WO2003091462A1 (en) | 2003-11-06 |
| EP1498502A1 (en) | 2005-01-19 |
| JP2003313613A (en) | 2003-11-06 |
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