CN203530363U - Annealing furnace tail with radiant tubes - Google Patents
Annealing furnace tail with radiant tubes Download PDFInfo
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- CN203530363U CN203530363U CN201320560045.5U CN201320560045U CN203530363U CN 203530363 U CN203530363 U CN 203530363U CN 201320560045 U CN201320560045 U CN 201320560045U CN 203530363 U CN203530363 U CN 203530363U
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Abstract
The utility model provides an annealing furnace tail (100) with radiant tubes. The annealing furnace tail (100) with the radiant tubes comprises an annealing furnace hot tension roller section (110) and a descending section (120) which are connected to each other, wherein a hot tension roller (130) is arranged in a furnace of the hot tension roller section, a steel belt (140) is wound by the hot tension roller and is output by the descending section, and the plurality of radiant tubes are respectively and uniformly arranged in inner spaces of furnace shells of the annealing furnace hot tension roller section and the descending section. The annealing furnace tail (100) with the radiant tubes, provided by the utility model, has the advantages that the radiant tubes are uniformly arranged in the inner space of a furnace body, the annealing furnace tail is simple and compact in structure, can be used for ensuring the uniform heating of each zone in the furnace, meanwhile has relatively strong heating capacity and is capable of effectively reducing the condensation of zinc powder in the furnace body, the product quality is improved, and the service life of the furnace body is prolonged.
Description
Technical field
The utility model relates to a kind of annealing furnace afterbody with radiator tube, belongs to machinery manufacturing technology field.
Background technology
Al-Zn coated steel is a kind of starting material that are widely used in the fields such as building materials, household electrical appliances, automobile, machinery, boats and ships, especially can be applied to building roof, wall and modular house etc.The course of processing more complicated of Al-Zn coated steel, has generally included from cold-rolled steel coils to raw material cleaning, the operation such as annealing, the hot dip process of aluminium zinc, then by techniques such as cooling, sizing, polishing, aligning, passivation, can complete successively.If make aluminum-zinc alloy colored steel, also need through operations such as japanning and detections.But no matter be Al-Zn coated steel or colored steel, in continuous aluminum-zinc alloy production line, the operation of annealing is all very important, by annealing, can also improve the toughness of raw steel when reducing raw steel intensity, is convenient to the processing treatment in subsequent technique.Therefore, annealing furnace thermotension roller section and downcomer are the equipment that carries out front last procedure of hot dip process, belong to the nucleus of producing with steel, can affect to a great extent the quality of quality of coating.
In existing aluminum-zinc alloy production line, in annealing furnace thermotension roller section and downcomer, adopt the mode of furnace shell arranged outside electrothermal tube to heat body of heater, in order to keep Heating temperature, the outside of electrothermal tube is also provided with cellucotton layer, and most external is one deck baffle plate fixedly.Existing furnace shell structure Heating temperature does not reach processing requirement, and body of heater internal temperature is inhomogeneous, cause zinc powder in stove to pile up serious, the work-ing life of existing body of heater is generally about 6 years, shell is because the uneven easily distortion of being heated is impaired or cracking, work-ing life is short, is easy to occur safety and quality problems.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, a kind of annealing furnace afterbody with radiator tube is provided, in body of heater internal space, radiator tube is evenly set, simple in structure, compact, guarantee regional homogeneous heating in stove, Heating temperature is adjustable, heating efficiency is stronger simultaneously, effectively reduce zinc powder condensing in body of heater, quality product improves, and extends body of heater work-ing life.
Technical problem to be solved of the present utility model is achieved by the following technical solution:
A kind of annealing furnace afterbody with radiator tube, comprise interconnective annealing furnace thermotension roller section and downcomer two portions, in the stove of described thermotension roller section, be provided with thermotension roller, steel band is reeled and is exported by downcomer through thermotension roller, and described annealing furnace thermotension roller section and the two-part furnace shell of downcomer internal space are evenly provided with respectively radiator tube.
In order to guarantee that steel band is heated evenly, described radiator tube is around the surrounding that is arranged on described thermotension roller.Specifically, the top of described thermotension roller is provided with 6 radiator tubes, belows and is provided with 3 radiator tubes; Wherein: described in be arranged on 6 radiator tubes of thermotension roller top, comprise and be arranged on 1 radiator tube of thermotension roller side top and be arranged on 5 radiator tubes directly over thermotension roller.
Described thermotension roller section is irregularly shaped, and its monnolithic case size is: total width: 2765 millimeters, and total height: 2770 millimeters; The shape of cross section of described downcomer is rectangle, and the physical dimension of cross section is: total width: 2074 millimeters, and total height: 1108 millimeters, the total length of downcomer is: 7059 millimeters.
In 5 radiator tubes, the spacing arranging between center of two adjacent radiator tubes is 380 millimeters-610 millimeters; The described spacing arranging between center that is arranged on two radiator tubes adjacent in 3 radiator tubes of thermotension roller below is 430 millimeters-580 millimeters.
In order to guarantee that steel band is heated evenly, the radiator tube in described downcomer stove evenly arranges equally, and the distance arranging between center of two adjacent radiator tubes is 720 millimeters-870 millimeters.
As required, the center that arranges of described radiator tube is 368 millimeters-829 millimeters to the distance of furnace shell inwall.The center that arranges of described radiator tube is 210 millimeters-293 millimeters to the distance of steel strip surface.
In order to prevent furnace shell cracking, the inner side of described furnace shell is fixed with baffle plate, and between baffle plate and furnace shell, be provided with gap and form thermofin, filling with insulation material in described thermofin, described radiator tube is arranged on the inner side of baffle plate.Specifically, described lagging material comprises two-layer, is respectively the flame-retardant fibre board near furnace shell one side, and it is 125 millimeters that thickness is set, and the refractory fiber cotton of close baffle plate one side, and it is 25 millimeters that thickness is set.
In order to improve converter life, described furnace shell is soft steel steel plate, and thickness is 6 millimeters; Described baffle plate is stainless-steel sheet, and thickness is 2 millimeters; Described baffle plate is fixed on furnace shell by fastening piece.
In sum, the utility model provides a kind of annealing furnace afterbody with radiator tube, in body of heater internal space, radiator tube is evenly set, simple in structure, compact, guarantee regional homogeneous heating in stove, Heating temperature is adjustable, heating efficiency is stronger simultaneously, effectively reduce zinc powder condensing in body of heater, quality product improves, and extends body of heater work-ing life.
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the utility model annealing furnace afterbody one-piece construction schematic diagram;
Fig. 2 is the local structure schematic diagram of the utility model thermotension roller section;
Fig. 3 is the furnace shell structure schematic diagram of X part in Fig. 2;
Fig. 4 is the utility model radiator tube structural representation.
Embodiment
Fig. 1 is the utility model annealing furnace afterbody one-piece construction schematic diagram; Fig. 2 is the local structure schematic diagram of the utility model thermotension roller section.As Fig. 1 and in conjunction with as shown in Fig. 2, the utility model provides a kind of annealing furnace afterbody 100 with radiator tube, comprise interconnective annealing furnace thermotension roller section 110 and downcomer 120 two portions, in the stove of described thermotension roller section 110, be provided with thermotension roller 130, steel band 140 is reeled and is exported by downcomer 120 through thermotension roller 130, and described annealing furnace thermotension roller section 110 and the two-part furnace shell of downcomer 120 internal space are evenly provided with respectively many radiator tubes.
In order to guarantee that steel band 140 is heated evenly in stove, described radiator tube is around the surrounding that is arranged on described thermotension roller 130.Specifically, the top of described thermotension roller 130 is provided with 6 radiator tubes, comprising being arranged on 1 the 6th radiator tube 206 of thermotension roller 130 sides tops and being arranged on 5 radiator tubes directly over thermotension roller, comprise that the first radiator tube 201 is to the 5th radiator tube 205, be arranged in addition thermotension roller 130 belows and be provided with 3 radiator tubes, comprise that the 7th radiator tube 207 is to the 9th radiator tube 209.According to the size of body of heater inner chamber, the setting position that also will consider radiator tube can provide enough heats to make steel band 140 fully, be heated equably, and set radiator tube can not interfere etc. a plurality of factors with other structures in stove and arranges.In embodiment shown in Fig. 1, thermotension roller section 110 is irregularly shaped, and its monnolithic case size is: total width: 2765 millimeters, and total height: 2770 millimeters.The distance arranging between center that is arranged on each root radiator tube in body of heater internal space is: be arranged in 6 radiator tubes of thermotension roller 130 tops, the distance between the first radiator tube 201 and the second radiator tube 202, the 3rd radiator tube 203 and the 4th radiator tube 204, the 4th radiator tube 204 and the 5th radiator tube 205 is 380 millimeters; Distance between the first radiator tube 201 and the 6th radiator tube 206 is 230 millimeters; Distance between the second radiator tube 202 and the 3rd radiator tube 203 is 610 millimeters.Be arranged in the radiator tube of 3 of 130 belows of thermotension roller, the distance between the 7th radiator tube 207 and the 8th radiator tube 208 is 430 millimeters, and the distance between the 8th radiator tube 208 and the 9th radiator tube 209 is 580 millimeters.It should be noted that, the first radiator tube 201 is to the distance between the 6th radiator tube 206, the 7th radiator tube 207 and the 8th radiator tube 208 and the 8th radiator tube 208 and the 9th radiator tube 209, also needs to consider that technique wears the factors such as spatial form of ball and thermotension roller section 110.Described technique is worn ball and is referred to when steel band broken belt occurs in annealing furnace section or aluminium molten spelter tank section, need to by technique wear that ball is realized outside body of heater and aluminium molten spelter tank outside tape splicing.
As shown in Figure 1, the shape of cross section of described downcomer 120 is rectangle, and the physical dimension of cross section is: total width: 2074 millimeters, and total height: 1108 millimeters, the total length of downcomer is: 7059 millimeters.In the body of heater of downcomer 120, be provided with 6 radiator tubes, be respectively the tenth radiator tube 210 to the 15 radiator tubes 215.Consider equally the thermally equivalent problem of concrete shape and the steel band 140 of downcomer 120, distance between the tenth radiator tube 210 and the 11 radiator tube 211 is 720 millimeters, and distance between the 11 radiator tube 211 and the 12 radiator tube the 212, the 12 radiator tube 212 and the 13 radiator tube the 213, the 13 radiator tube 213 and the 14 radiator tube 214 and the 14 radiator tube 214 and the 15 radiator tube 215 is 870 millimeters.Between above-mentioned each radiator tube distance is set, refers to the distance between center that arranges of radiator tube.
In addition, as Fig. 1 and in conjunction with as shown in Fig. 2, the center that arranges that is arranged on each radiator tube in body of heater is not identical separately to the spacing between furnace shell inwall yet.In thermotension roller section 110 stoves, the spacing of the first radiator tube 201 to the 5th radiator tube 205 to top furnace shell inwall is 369 millimeters; The 6th radiator tube 206 is 829 millimeters to the spacing of top furnace shell inwall; The 5th radiator tube 205 is 389 millimeters to the spacing of anterior furnace shell inwall; The 9th radiator tube 209 is 489 millimeters to the spacing of anterior furnace shell inwall, and as shown in Figure 1, right side is front.In downcomer 120, the tenth radiator tube 210 to the 15 radiator tubes 215 are respectively 368 millimeters to the spacing of top furnace shell inwall, and as shown in Figure 1, right side furnace shell is top.
Meanwhile, the center that arranges of radiator tube, to the distance between steel band, is also the key parameter of realizing steel band thermally equivalent in stove.As Fig. 1 and in conjunction with as shown in Fig. 2, the vertical range of the first radiator tube 201 to the 5th radiator tube 205 to the steel band 140 being horizontal is 250 millimeters; The 6th radiator tube 206 is 210 millimeters to the vertical range of the steel band 140 being horizontal; The 7th radiator tube 207 is 293 millimeters to the vertical range that is positioned at the steel band 140 of obliquity; The tenth radiator tube 210 to the 15 radiator tubes 215 are 260 millimeters to the vertical range that is positioned at the steel band 140 of obliquity.
Fig. 3 is the furnace shell structure schematic diagram of X part in Fig. 2.As shown in Figure 3, in order to prevent furnace shell cracking, furnace shell 300 inner sides of annealing furnace afterbody provided by the utility model are fixed with baffle plate 310, in order to improve converter life, described furnace shell 300 is soft steel steel plate, and thickness is 6 millimeters, described baffle plate 310 is stainless-steel sheet, thickness is 2 millimeters, and baffle plate 310 is by fastening piece, such as bolt, nut assembly etc. is fixed on furnace shell 300.Gap between baffle plate 310 and furnace shell 300 forms thermofin, and the first radiator tube 201 to the 15 radiator tubes 215 are all arranged on the inner side of baffle plate 310.Filling with insulation material in described thermofin, this lagging material comprises two-layer, is respectively the flame-retardant fibre board A1 near furnace shell 300 1 sides, and it arranges thickness is 125 millimeters, also has the refractory fiber cotton A2 near baffle plate 310 1 sides, and it arranges thickness is 25 millimeters.Adopt the stuffed heat insulated layer of above-mentioned two kinds of lagging materials, can make cellucotton be filled in better in the gap between fiberboard, radiator tube and furnace shell are separated, effectively prevent furnace shell cracking.Described flame-retardant fibre board A1 and refractory fiber cotton A2 are currently available products, for example: kaowool plate or ceramic beaverboard etc., those skilled in the art can, according to using needs, select its kind and size.
Fig. 4 is the utility model radiator tube structural representation.As shown in Figure 4, described radiator tube comprises protective sleeve 500 and is arranged on an electric heating element 510 in protective sleeve.That is to say, radiator tube is that an electric heating element 510 is enclosed in to the interior heating power of protective sleeve 500, by sleeve pipe indirectly heat radiation to furnace lining and processed workpiece, radiator tube can be widely used in the various process furnace of heat treatment industry.The electrical heating alloys material that radiator tube uses should have higher resistivity, and electric heating transformation efficiency is high.Because an electric heating element 510 of radiator tube is arranged in protective sleeve 500; heat transfer process is different from general open type electrical heating element; its thermoshield is large; in temperature-rise period, must control component temperature; prevent element overtemperature; so will analyze temperature atmosphere in furnace temperature, stove when selection, select correct heating material.Because radiator tube is existing conventional heating unit, its concrete internal structure does not repeat them here, and those skilled in the art can select according to actual needs.In addition, the protective sleeve two ends that are arranged on radiator tube outside can be mutually fixedly set by ring flange and fastening assembly and body of heater inside, carry out corresponding technical finesse simultaneously in junction, and concrete syndeton is common technology means, does not repeat them here.
The concrete technical parameter of radiator tube using in the utility model is as shown in the table:
Table one
Table two
In conjunction with shown in Fig. 1 to Fig. 4, working process of the present utility model is such: in annealing furnace afterbody body of heater, steel band 140 enters in described thermotension roller section 110 stoves of annealing furnace by thermotension roller 130, is separately positioned on 201 to 209 pairs of many radiator tubes on the upper and lower both direction of thermotension roller 130 and carries out homogeneous heating through steel band 140 wherein.Steel band 140 enters and enters next technical process from downcomer 120 outputs from thermotension wheel section 110.When steel band 140 moves in downcomer 120 stoves, be subject to equally the evenly homogeneous heating of the radiator tube 210 to 215 of setting.In above-mentioned annealing process, the intensity of steel band 140 and toughness have all obtained improving to some extent.
In sum, the utility model provides a kind of annealing furnace afterbody with radiator tube, in body of heater internal space, radiator tube is evenly set, simple in structure, compact, guarantee regional homogeneous heating in stove, Heating temperature is adjustable, heating efficiency is stronger simultaneously, effectively reduce zinc powder condensing in body of heater, quality product improves, and extends body of heater work-ing life.
Claims (10)
1. the annealing furnace afterbody with radiator tube, comprise interconnective annealing furnace thermotension roller section (110) and downcomer (120) two portions, in the stove of described thermotension roller section, be provided with thermotension roller (130), steel band (140) is reeled and is exported by downcomer through thermotension roller, it is characterized in that: described annealing furnace thermotension roller section and the two-part furnace shell of downcomer internal space are evenly provided with respectively many radiator tubes.
2. the annealing furnace afterbody with radiator tube as claimed in claim 1, is characterized in that: described radiator tube is around the surrounding that is arranged on described thermotension roller (130), and the top of described thermotension roller is provided with 6 radiator tubes, belows and is provided with 3 radiator tubes.
3. the annealing furnace afterbody with radiator tube as claimed in claim 2, is characterized in that: described thermotension roller section (110) is for irregularly shaped, and its monnolithic case size is: total width: 2765 millimeters, and total height: 2770 millimeters; The shape of cross section of described downcomer (120) is rectangle, and the physical dimension of cross section is: total width: 2074 millimeters, and total height: 1108 millimeters, the total length of downcomer is: 7059 millimeters.
4. the annealing furnace afterbody with radiator tube as claimed in claim 3, it is characterized in that: be arranged on 6 described radiator tubes of thermotension roller (130) top, comprise and be arranged on 1 radiator tube of thermotension roller side top and be arranged on 5 radiator tubes directly over thermotension roller; In 5 radiator tubes, the distance arranging between center of two adjacent radiator tubes is 380 millimeters-610 millimeters;
Be arranged in 3 described radiator tubes of thermotension roller below, the distance arranging between center of two adjacent radiator tubes is 430 millimeters-580 millimeters.
5. the annealing furnace afterbody with radiator tube as claimed in claim 1, is characterized in that: the furnace inner space of described downcomer (120) evenly arranges radiator tube, and the distance arranging between center of two adjacent radiator tubes is 720 millimeters-870 millimeters.
6. the annealing furnace afterbody with radiator tube as described in claim 4 or 5, is characterized in that: the center that arranges of described radiator tube is 368 millimeters-829 millimeters to the distance of furnace shell inwall.
7. the annealing furnace afterbody with radiator tube as claimed in claim 6, is characterized in that: the center that arranges of described radiator tube is 210 millimeters-293 millimeters to the vertical range on steel band (140) surface.
8. the annealing furnace afterbody with radiator tube as claimed in claim 1, it is characterized in that: the inner side of the furnace shell (300) of described thermotension roller section (110) and downcomer (120) is fixed with baffle plate (310), between baffle plate and furnace shell, be provided with gap and form thermofin, filling with insulation material in described thermofin, described radiator tube is arranged on the inner side of baffle plate.
9. the annealing furnace afterbody with radiator tube as claimed in claim 8, is characterized in that: described lagging material comprises two-layer, is respectively the flame-retardant fibre board (A1) near furnace shell (300) one sides, and it is 125 millimeters that thickness is set; With the refractory fiber cotton (A2) near baffle plate (310) one sides, it is 25 millimeters that thickness is set.
10. the annealing furnace afterbody with radiator tube as claimed in claim 8, is characterized in that: described furnace shell (300) is soft steel steel plate, and thickness is 6 millimeters; Described baffle plate is stainless-steel sheet, and thickness is 2 mm thick; Described baffle plate is fixed on furnace shell by fastening piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560045.5U CN203530363U (en) | 2013-09-10 | 2013-09-10 | Annealing furnace tail with radiant tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560045.5U CN203530363U (en) | 2013-09-10 | 2013-09-10 | Annealing furnace tail with radiant tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203530363U true CN203530363U (en) | 2014-04-09 |
Family
ID=50416596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560045.5U Expired - Fee Related CN203530363U (en) | 2013-09-10 | 2013-09-10 | Annealing furnace tail with radiant tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203530363U (en) |
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2013
- 2013-09-10 CN CN201320560045.5U patent/CN203530363U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 |