CN102010981B - Continuous annealing furnace of high-efficiency energy-saving metal strip - Google Patents
Continuous annealing furnace of high-efficiency energy-saving metal strip Download PDFInfo
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- CN102010981B CN102010981B CN 201010238186 CN201010238186A CN102010981B CN 102010981 B CN102010981 B CN 102010981B CN 201010238186 CN201010238186 CN 201010238186 CN 201010238186 A CN201010238186 A CN 201010238186A CN 102010981 B CN102010981 B CN 102010981B
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Abstract
The invention discloses a continuous annealing furnace of a high-efficiency energy-saving metal strip. The continuous annealing furnace can be used for treating the metal strip by annealing and comprises an annealing cavity and a furnace wall enclosing the annealing cavity, wherein an inlet and an outlet by which the metal strip enters the annealing cavity are arranged on the furnace wall. Isolating walls are arranged in the furnace wall and at least divide the annealing cavity into a temperature-rise work section, a temperature-drop work section and a cooling work section which are sequentially arrayed; and the inlet and the outlet are respectively arranged on the cooling work section, so that the strip can sequentially pass through the inlet, the cooing work section, an overageing work section, the temperature-drop work section, the temperature-rise work section, the temperature-drop work section, the overageing work section, the cooling work section and the outlet.
Description
Technical field
The present invention relates to continuous annealing furnace of high-efficiency energy-saving metal strip.
Background technology
Chinese patent database has been announced the utility model of denomination of invention for " a kind of energy-saving type sheet metal strip continuous annealing oven ", and its patent No. is 200820102777.9.This utility model is the solution that the inventor proposes for the large deficiency of the existing heat energy loss of traditional strip continuous annealing oven.It comprises furnace wall, divider wall, the first transmission rod and the second transmission rod.This furnace wall is provided with an import and the outlet for the band turnover.This divider wall is located in this furnace wall, and wherein, this divider wall is divided into this furnace wall in three chambeies that laterally are arranged in order, and these three chambeies are respectively the intensification chamber, adjust incubation cavity and cooling down chamber, and this opening and outlet all are located on this cooling down chamber.This first transmission rod is located in the intensification chamber of this furnace wall, and wherein, those the first transmission rod lines consist of single corrugated the first transmission rig.This second transmission rod is located in the adjustment incubation cavity and cooling down chamber of this furnace wall, wherein, side by side respectively in order to connect input band and export band and second transmission rig of this band between meeting generation heat transmission up and down by the double wave shape wave at interval, this double wave shape wave for those the second transmission rod lines formations.Although this utility model can solve the large deficiency of the existing heat energy loss of traditional annealing furnace, but process owing to adjusting to be incubated simultaneously with overaging within incubation cavity, therefore the temperature of adjusting within incubation cavity can't keep even, the overaging temperature can't accurately be controlled, and heat treatment performance has necessity of further improvement.
Summary of the invention
The invention provides continuous annealing furnace of high-efficiency energy-saving metal strip, it has overcome the existing deficiency of energy-saving type sheet metal strip continuous annealing oven in background technology.
The technical scheme that adopts that the present invention solves its technical problem is:
Continuous annealing furnace of high-efficiency energy-saving metal strip, it can the anneal sheet metal strip, and described annealing furnace comprises anneal chamber and surrounds the furnace wall of anneal chamber, and described furnace wall offers import and the outlet that enters anneal chamber for band;
Within described furnace wall, divider wall is set, those divider walls are divided into the intensification workshop section that laterally is arranged in order, lower the temperature workshop section, overaging workshop section and cooling workshop section at least with anneal chamber, described import and outlet all are located at cooling workshop section, make described band can pass through successively import, cooling workshop section, overaging workshop section, cooling workshop section, intensification workshop section, the workshop section of lowering the temperature, overaging workshop section, cooling workshop section and outlet;
Wherein:
Described cooling workshop section is used for making between the different band of turnover direction producing heat exchange, with heating approach axis band, cooling exit axis band;
Described overaging workshop section is provided with the first heating unit in it, be used for keeping the temperature in overaging workshop section, with overaging art breading exit axis band;
Described cooling workshop section is used for making between the different band of turnover direction producing heat exchange, with heating approach axis band, cooling exit axis band;
Described intensification workshop section arranges the second heating unit in it, be used for the heating band.
Among one preferred embodiment:
Be provided with first group of transfer roller in described cooling workshop section, more described first group of transfer roller line consists of up and down the double wave shape wave at interval side by side, and described band connects first group of transfer roller and makes approach axis band and exit axis band consist of the double wave shape wave;
In described overaging workshop section, second group of transfer roller is set, more described second group of transmission rod line consists of single waviness, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller and makes the exit axis band consist of single waviness;
Be provided with the 3rd group of transfer roller in described cooling workshop section, more described the 3rd group of transfer roller line consists of up and down the double wave shape wave at interval side by side, and described band connects the 3rd group of transfer roller and makes approach axis band and exit axis band consist of the double wave shape wave;
In described intensification workshop section, the 4th group of transfer roller is set, more described the 4th group of transmission rod line consists of single waviness, and described band connects the 4th group of transfer roller and consists of single waviness.
Among one preferred embodiment: described divider wall is provided with the through hole for the band turnover.
Among one preferred embodiment:
Have on described furnace wall practise physiognomy to one first wall and one second wall, parallel the first wall and the second wall direction are defined as X1, vertical the first wall and the second wall direction are defined as X2;
Described first group of transfer roller comprises many group transfer roller groups, and described every group of transfer roller group comprises large transfer roller and a little transfer roller; More described group transfer roller group is arranged in double, and described double transfer roller group is arranged and is crisscross arranged according to the X2 direction, so that described many group transfer roller groups are arranged to the double wave shape wave.
Among one preferred embodiment:
Be installed with on the first wall within described cooling workshop section along X1 direction interval the first middle walls side by side, and, one first middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the first wall transfer roller group;
Be installed with on the second wall within described cooling workshop section along X1 direction interval the second middle walls side by side, and, one second middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the second wall transfer roller group.
Among one preferred embodiment: described the first middle walls and the second middle walls are overlapping in the projection section of X2 direction.
Among one preferred embodiment:
Have on described furnace wall practise physiognomy to one first wall and one second wall, parallel the first wall and the second wall direction are defined as X1, vertical the first wall and the second wall direction are defined as X2;
Described the 3rd group of transfer roller comprises many group transfer roller groups, and described every group of transfer roller group comprises large transfer roller and a little transfer roller; More described group transfer roller group is arranged in double, and described double transfer roller group is arranged and is crisscross arranged according to the X2 direction, so that described many group transfer roller groups are arranged to the double wave shape wave.
Among one preferred embodiment:
Be installed with along X1 direction interval the 3rd middle walls side by side on the first wall within the described workshop section of lowering the temperature, and, one the 3rd middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the first wall transfer roller group;
Be installed with along X1 direction interval the 4th middle walls side by side on the second wall within the described workshop section of lowering the temperature, and, one the 4th middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the second wall transfer roller group.
Among one preferred embodiment: described the 3rd middle walls and the 4th middle walls are overlapping in the projection section of X2 direction.
The technical program is compared with background technology, and it has following advantage:
One, anneal chamber is divided into the intensification workshop section that laterally is arranged in order, lower the temperature workshop section, overaging workshop section and cooling workshop section, band enters overaging workshop section after workshop section through cooling, can solve the existing deficiency of background technology, and produce following beneficial effect: 1. can guarantee that band enters overaging workshop section with proper temperature, can further guarantee by the first heating unit the temperature of overaging workshop section, guarantee the overaging temperature, realize best overaging thermal treatment; 2. in the workshop section of lowering the temperature, carry out heat exchange between the turnover band, heating enters band, and band is withdrawed from cooling, high owing to withdrawing from strip temperature this moment, therefore can maximize and realize heat exchange, and heat utilization rate is high;
they are two years old, all be provided with one first middle walls between every adjacent two transfer roller groups in this row's of close the first wall transfer roller group, all be provided with one second middle walls between every adjacent two transfer roller groups in this row's of close the second wall transfer roller group, described the first middle walls, the second middle walls coordinates the furnace wall can form little cooling down chamber, because the first middle walls and the second middle walls are staggered, therefore basically can avoid thermal radiation and hot interchange the between adjacent two little cooling down chambeies, can guarantee to have temperature head between adjacent two little cooling down chambeies, can improve heat exchanger effectiveness,
Its three, can adjust according to processing requirement transfer roller group number and the exchange area (roller group relative distance) of temperature adjustment workshop section, adjust flexibly cooling temperature and cooling timeliness;
Its four, the first middle walls and the second middle walls are overlapping in the projection section of X2 direction, further reduce the heat transmission between adjacent two little cooling down chambeies, improve heat exchanger effectiveness.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the principle schematic of a preferred embodiment.
Embodiment
Please refer to Fig. 1, continuous annealing furnace of high-efficiency energy-saving metal strip, it can anneal sheet metal strip 70, and described sheet metal strip 70 can be steel band, copper strips etc.Described annealing furnace comprises the furnace wall 10 of anneal chamber and encirclement anneal chamber, and described furnace wall 10 offers import 11 and the outlet 12 that enters anneal chamber for band 70.Among the present embodiment, have one first wall 13 and one second wall 14 on described furnace wall 10, parallel the first wall 13 and the second wall 14 directions are defined as X1, vertical the first wall 13 and the second wall 14 directions are defined as X2.
The divider wall 20 that is intervally arranged along the X1 direction is set within described furnace wall 10, the intensification workshop section 30 that those divider walls 20 are divided into anneal chamber that laterally (X1) be arranged in order, cooling workshop section 40, overaging workshop section 50 and cooling workshop section 60, described import 11 and outlet 12 all are located at cooling workshop section 60, make described band 70 can pass through successively import 11, cooling workshop section 60, overaging workshop section 50, cooling workshop section 40, intensification workshop section 30, the workshop section 40 of lowering the temperature, overaging workshop section 50, cooling workshop section 60 and export 12.In order to coordinate band 70 turnover divider walls 20, need to offer through hole 21 on divider wall 20, and the position that described through hole 21 arranges preferably can coordinate band 70 trends.
Be provided with first group of transfer roller in described cooling workshop section 60, described first group of transfer roller comprises many group transfer roller groups, and described every group of transfer roller group comprises a first transfer roller 61 and one first little transfer roller 62; More described group transfer roller group is arranged in double, described double transfer roller group is arranged and is crisscross arranged according to the X2 direction, so that described many group transfer roller groups are arranged to up and down the double wave shape wave at interval side by side, make approach axis band and exit axis band consist of the double wave shape wave, make between approach axis band and exit axis band and can produce heat exchange, with heating approach axis band, cooling exit axis band.
In described overaging workshop section 50, second group of transfer roller 51 is set, more described second group of transmission rod, 51 lines consist of single wavinesss, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller 51 and makes the exit axis band consist of single waviness.And, be provided with the first heating unit 52 in described overaging workshop section 50, be used for keeping the temperature in overaging workshop section 50, process exit axis band 70 with overaging.Described heating unit can be selected heating piece or heating tube.
Be provided with the 3rd group of transfer roller in described cooling workshop section 40, described first group of transfer roller comprises many group transfer roller groups, and described every group of transfer roller group comprises a third-largest transfer roller 41 and one the 3rd little transfer roller 42; More described group transfer roller group is arranged in double, described double transfer roller group is arranged and is crisscross arranged according to the X2 direction, so that described many group transfer roller groups are arranged to up and down the double wave shape wave at interval side by side, make approach axis band and exit axis band consist of the double wave shape wave, make between approach axis band and exit axis band and can produce heat exchange, with heating approach axis band, cooling exit axis band.Among the present embodiment, can adjust the exit axis band to the required technological temperature of overaging workshop section and cooling timeliness, described cooling timeliness refers to the drop-out value (temperature difference) of the temperature in the scheduled time, wherein, be mainly by the roller group is set the group number or and the roller group between relatively the relative distance of transfer roller realize adjusting.
Described intensification workshop section 30 arranges the second heating unit 32 and the 4th group of transfer roller 31 in it, more described the 4th group of transmission rod 31 lines consist of single wavinesss, described band 70 connects the 4th group of transfer roller and consists of single waviness, make band 70 be heated evenly, reduce energy consumption, minimizing takes up room.Described heating unit can be selected heating piece or heating tube.Among the present embodiment, described intensification workshop section can adjust band to the required technological temperature of annealing process and intensification timeliness.
Be installed with on the first wall 13 within described cooling workshop section 60 along X1 direction interval the first middle walls 63 side by side, and, one first middle walls 63 all be provided with between the every adjacent two transfer roller groups in this row's of described close the first wall 13 transfer roller group; Be installed with on the second wall 14 within described cooling workshop section 60 along X1 direction interval the second middle walls 64 side by side, and, one second middle walls 64 all be provided with between the every adjacent two transfer roller groups in this row's of described close the second wall 14 transfer roller group; Described the first middle walls 63 and the second middle walls 64 are overlapping in the projection section of X2 direction.Coordinate furnace wall 10 can form each adjacent little cooling down chamber by described the first middle walls 63 and the second middle walls 64, mark as the dotted line in figure, can not produce heat exchange due between adjacent little cooling down chamber, therefore have temperature head between adjacent little cooling down chamber, the heat exchanger effectiveness that passes in and out between band 70 is high.
Be installed with along X1 direction interval the 3rd middle walls 43 side by side on the first wall 13 within the described workshop section 40 of lowering the temperature, and, one the 3rd middle walls 43 all be provided with between the every adjacent two transfer roller groups in this row's of described close the first wall 13 transfer roller group; Be installed with on the second wall 14 within described cooling workshop section 60 along X1 direction interval the 4th middle walls 44 side by side, and, one the 4th middle walls 44 all be provided with between the every adjacent two transfer roller groups in this row's of described close the second wall 14 transfer roller group; Described the 3rd middle walls 43 and the 3rd middle walls 44 are overlapping in the projection section of X2 direction.Coordinate furnace wall 10 can form each adjacent little cooling down chamber by described the 3rd middle walls 43 and the 3rd middle walls 44, mark as the dotted line in figure, can not produce heat exchange due between adjacent little cooling down chamber, therefore have temperature head between adjacent little cooling down chamber, the heat exchanger effectiveness that passes in and out between band 70 is high.
The employing said structure arranges, and the minimum strip temperature that withdraws from annealing furnace that can make remains between the 100-50 degree, can greatly reduce energy consumption, saves heat energy, and wastage rate reduce 80-90%.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to the scope of the claims of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (2)
1. continuous annealing furnace of high-efficiency energy-saving metal strip, it can the anneal sheet metal strip, and described annealing furnace comprises anneal chamber and surrounds the furnace wall of anneal chamber, and described furnace wall offers import and the outlet that enters anneal chamber for band; It is characterized in that:
A plurality of divider walls are set within described furnace wall, described a plurality of divider wall is divided into the intensification workshop section that laterally is arranged in order, lower the temperature workshop section, overaging workshop section and cooling workshop section at least with anneal chamber, described import and outlet all are located at cooling workshop section, make described band can pass through successively import, cooling workshop section, overaging workshop section, cooling workshop section, intensification workshop section, the workshop section of lowering the temperature, overaging workshop section, cooling workshop section and outlet; Described divider wall is provided with the through hole for the band turnover; Have on described furnace wall practise physiognomy to one first wall and one second wall, parallel the first wall and the second wall direction are defined as X1, vertical the first wall and the second wall direction are defined as X2;
Described cooling workshop section is used for making between the different band of turnover direction producing heat exchange, with heating approach axis band, cooling exit axis band; Be provided with a plurality of first group of transfer roller in described cooling workshop section, described a plurality of first group of transfer roller line consist of up and down the double wave shape wave at interval side by side, and described band connects first group of transfer roller and makes approach axis band and exit axis band consist of the double wave shape wave; Described first group of transfer roller comprises many group transfer roller groups, and described every group of transfer roller group comprises large transfer roller and a little transfer roller; Described many group transfer roller groups are arranged in double, and described double transfer roller group is arranged and is crisscross arranged according to the X2 direction, so that described many group transfer roller groups are arranged to the double wave shape wave; Be installed with on the first wall within described cooling workshop section along X1 direction interval the first middle walls side by side, and, one first middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the first wall transfer roller group; Be installed with on the second wall within described cooling workshop section along X1 direction interval the second middle walls side by side, and, one second middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the second wall transfer roller group; Described the first middle walls and the second middle walls are overlapping in the projection section of X2 direction;
Described overaging workshop section is provided with the first heating unit in it, be used for keeping the temperature in overaging workshop section, with overaging processing exit axis band; In described overaging workshop section, a plurality of second group of transfer roller are set, described a plurality of second group of transmission rod line consist of single waviness, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller and makes the exit axis band consist of single waviness;
Described cooling workshop section is used for making between the different band of turnover direction producing heat exchange, with heating approach axis band, cooling exit axis band; Be provided with a plurality of the 3rd group of transfer rollers in described cooling workshop section, described a plurality of the 3rd group of transfer roller lines consist of up and down the double wave shape wave at interval side by side, and described band connects the 3rd group of transfer roller and makes approach axis band and exit axis band consist of the double wave shape wave;
Described intensification workshop section arranges the second heating unit in it, be used for the heating band; In described intensification workshop section, a plurality of the 4th group of transfer rollers are set, described a plurality of the 4th group of transmission rod lines consist of single waviness, and described band connects the 4th group of transfer roller and consists of single waviness.
2. continuous annealing furnace of high-efficiency energy-saving metal strip, it can the anneal sheet metal strip, and described annealing furnace comprises anneal chamber and surrounds the furnace wall of anneal chamber, and described furnace wall offers import and the outlet that enters anneal chamber for band; It is characterized in that:
A plurality of divider walls are set within described furnace wall, these a plurality of divider walls are divided into the intensification workshop section that laterally is arranged in order, lower the temperature workshop section, overaging workshop section and cooling workshop section at least with anneal chamber, described import and outlet all are located at cooling workshop section, make described band can pass through successively import, cooling workshop section, overaging workshop section, cooling workshop section, intensification workshop section, the workshop section of lowering the temperature, overaging workshop section, cooling workshop section and outlet; Described divider wall is provided with the through hole for the band turnover; Have on described furnace wall practise physiognomy to one first wall and one second wall, parallel the first wall and the second wall direction are defined as X1, vertical the first wall and the second wall direction are defined as X2;
Described cooling workshop section is used for making between the different band of turnover direction producing heat exchange, with heating approach axis band, cooling exit axis band; Be provided with a plurality of first group of transfer roller in described cooling workshop section, described a plurality of first group of transfer roller line consist of up and down the double wave shape wave at interval side by side, and described band connects first group of transfer roller and makes approach axis band and exit axis band consist of the double wave shape wave;
Described overaging workshop section is provided with the first heating unit in it, be used for keeping the temperature in overaging workshop section, with overaging processing exit axis band; In described overaging workshop section, a plurality of second group of transfer roller are set, described a plurality of second group of transmission rod line consist of single waviness, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller and makes the exit axis band consist of single waviness;
Described cooling workshop section is used for making between the different band of turnover direction producing heat exchange, with heating approach axis band, cooling exit axis band; Be provided with a plurality of the 3rd group of transfer rollers in described cooling workshop section, described a plurality of the 3rd group of transfer roller lines consist of up and down the double wave shape wave at interval side by side, and described band connects the 3rd group of transfer roller and makes approach axis band and exit axis band consist of the double wave shape wave; Described the 3rd group of transfer roller comprises many group transfer roller groups, and described every group of transfer roller group comprises large transfer roller and a little transfer roller; Described many group transfer roller groups are arranged in double, and described double transfer roller group is arranged and is crisscross arranged according to the X2 direction, so that described many group transfer roller groups are arranged to the double wave shape wave; Be installed with along X1 direction interval the 3rd middle walls side by side on the first wall within the described workshop section of lowering the temperature, and, one the 3rd middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the first wall transfer roller group; Be installed with along X1 direction interval the 4th middle walls side by side on the second wall within the described workshop section of lowering the temperature, and, one the 4th middle walls all be provided with between the every adjacent two transfer roller groups in this row's of described close the second wall transfer roller group; Described the 3rd middle walls and the 4th middle walls are overlapping in the projection section of X2 direction;
Described intensification workshop section arranges the second heating unit in it, be used for the heating band; In described intensification workshop section, a plurality of the 4th group of transfer rollers are set, described a plurality of the 4th group of transmission rod lines consist of single waviness, and described band connects the 4th group of transfer roller and consists of single waviness.
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| CN 201010238186 CN102010981B (en) | 2010-07-27 | 2010-07-27 | Continuous annealing furnace of high-efficiency energy-saving metal strip |
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| CN 201010238186 CN102010981B (en) | 2010-07-27 | 2010-07-27 | Continuous annealing furnace of high-efficiency energy-saving metal strip |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2915880Y (en) * | 2006-05-31 | 2007-06-27 | 福建方明钢铁有限公司 | Energy-saving type continuous annealing oven of strip steel continuous hot galvanizing assembly line |
| CN101082077A (en) * | 2006-05-31 | 2007-12-05 | 福建方明钢铁有限公司 | Anneal process and annealing furnace for belt steel continuous zinc coating production |
| CN201214676Y (en) * | 2008-06-20 | 2009-04-01 | 罗烈明 | Energy-saving type sheet metal strip continuous annealing oven |
| CN201883122U (en) * | 2010-07-27 | 2011-06-29 | 方明钢业(漳州)有限公司 | High-efficiency energy-saving metal strip continuous annealing furnace |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2915880Y (en) * | 2006-05-31 | 2007-06-27 | 福建方明钢铁有限公司 | Energy-saving type continuous annealing oven of strip steel continuous hot galvanizing assembly line |
| CN101082077A (en) * | 2006-05-31 | 2007-12-05 | 福建方明钢铁有限公司 | Anneal process and annealing furnace for belt steel continuous zinc coating production |
| CN201214676Y (en) * | 2008-06-20 | 2009-04-01 | 罗烈明 | Energy-saving type sheet metal strip continuous annealing oven |
| CN201883122U (en) * | 2010-07-27 | 2011-06-29 | 方明钢业(漳州)有限公司 | High-efficiency energy-saving metal strip continuous annealing furnace |
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