CN102010981A - 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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- CN102010981A CN102010981A CN 201010238186 CN201010238186A CN102010981A CN 102010981 A CN102010981 A CN 102010981A CN 201010238186 CN201010238186 CN 201010238186 CN 201010238186 A CN201010238186 A CN 201010238186A CN 102010981 A CN102010981 A CN 102010981A
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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 efficient energy-saving metal band continuous annealing furnace.
Background technology
Chinese patent database has been announced the utility model of denomination of invention for " a kind of energy-saving metal band continuous annealing furnace ", and its patent No. is 200820102777.9.This utility model is the solution that the inventor proposes at the big deficiency of traditional existing heat energy loss of band continuous annealing furnace.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 three chambeies that laterally are arranged in order with this furnace wall, and these three chambeies are respectively the intensification chamber, adjust incubation cavity and cooling cooling chamber, and this opening and outlet all are located on this cooling cooling chamber.This first transmission rod is located in the intensification chamber of this furnace wall, and wherein, those first transmission rod lines constitute single corrugated first transmission rig.This second transmission rod is located in the adjustment incubation cavity and cooling cooling chamber of this furnace wall, wherein, the double wave shape wave at interval, this double wave shape wave are imported band and output band and the second heat passage transmission rig of meeting generation between this band in order to connect respectively to those second transmission rod lines formations side by side up and down.Though this utility model can solve the big deficiency of the existing heat energy loss of traditional annealing furnace, but handle owing to adjust to be incubated simultaneously with overaging within the incubation cavity, therefore the temperature of adjusting within the 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 efficient energy-saving metal band continuous annealing furnace, it has overcome the existing deficiency of energy-saving metal band continuous annealing furnace in the background technology.
The technical scheme that is adopted that the present invention solves its technical problem is:
Efficient energy-saving metal band continuous annealing furnace, it can the anneal sheet metal strip, and described annealing furnace comprises anneal chamber and surrounds the furnace wall of anneal chamber that described furnace wall offers import and the outlet that enters anneal chamber for band;
Within the described furnace wall divider wall is set, those divider walls are divided into anneal chamber intensification workshop section, cooling workshop section, overaging workshop section and the cooling workshop section that laterally is arranged in order at least, described import and outlet all are located at cooling workshop section, make described band can pass through import, cooling workshop section, overaging workshop section, cooling workshop section, intensification workshop section, cooling workshop section, overaging workshop section, cooling workshop section and outlet successively;
Wherein:
Described cooling workshop section is used to make between the different band of turnover direction to produce heat exchange, with heating approach axis band, and cooling exit axis band;
Described overaging workshop section is provided with first heating unit in it, be used to keep the temperature in the overaging workshop section, with overaging art breading exit axis band;
Described cooling workshop section is used to make between the different band of turnover direction to produce heat exchange, with heating approach axis band, and cooling exit axis band;
Described intensification workshop section is provided with second heating unit in it, be used to heat band.
Among one preferred embodiment:
Be provided with first group of transfer roller in the described cooling workshop section, more described first group of transfer roller line constitutes up and down side by side double wave shape wave at interval, and described band connects first group of transfer roller makes approach axis band and exit axis band constitute the double wave shape wave;
In the described overaging workshop section second group of transfer roller is set, more described second group of transmission rod line constitutes single waviness, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller makes the exit axis band constitute single waviness;
Be provided with the 3rd group of transfer roller in the described cooling workshop section, more described the 3rd group of transfer roller line constitutes up and down side by side double wave shape wave at interval, and described band connects the 3rd group of transfer roller makes approach axis band and exit axis band constitute the double wave shape wave;
In the described intensification workshop section the 4th group of transfer roller is set, more described the 4th group of transmission rod line constitutes single waviness, and described band connects the 4th group of transfer roller and constitutes 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 the described furnace wall practise physiognomy to one first wall and one second wall, parallel first wall and the second wall direction are defined as X1, vertical 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 a big 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 described first wall that cools off within the workshop section along X1 direction interval 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 first wall the transfer roller group;
Be installed with on described second wall that cools off within the workshop section along X1 direction interval 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 second wall the transfer roller group.
Among one preferred embodiment: described first middle walls and second middle walls are overlapping in the projection section of X2 direction.
Among one preferred embodiment:
Have on the described furnace wall practise physiognomy to one first wall and one second wall, parallel first wall and the second wall direction are defined as X1, vertical 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 a big 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 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 first wall the transfer roller group;
Be installed with along X1 direction interval the 4th middle walls side by side on 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 second wall the 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 intensification workshop section, cooling workshop section, overaging workshop section and the cooling workshop section that laterally is arranged in order, band is through entering overaging workshop section after the cooling workshop section, then 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 the temperature of overaging workshop section by first heating unit, guarantee the overaging temperature, realize best overaging thermal treatment; 2. in cooling workshop section, carry out heat exchange between the turnover band, heating enters band, and band is withdrawed from cooling, owing to withdraw from the strip temperature height this moment, therefore can maximize the realization heat exchange, heat energy utilization rate height;
They are two years old, all be provided with one first middle walls between the every adjacent two transfer roller groups in this row's of close first wall the transfer roller group, all be provided with one second middle walls between the every adjacent two transfer roller groups in this row's of close second wall the transfer roller group, described first middle walls, second middle walls cooperates the furnace wall can form little cooling cooling chamber, because first middle walls and second middle walls are staggered, therefore can avoid the thermal radiation between the adjacent two little cooling cooling chambers to exchange basically with heat, can guarantee to have temperature head between the adjacent two little cooling cooling chambers, can improve heat exchanger effectiveness;
Its three, can adjust the transfer roller group number and the exchange area (roller group relative distance) of temperature adjustment workshop section according to processing requirement, adjust cooling temperature and cooling timeliness flexibly;
Its four, the first middle walls and second middle walls are overlapping in the projection section of X2 direction, further reduce heat passage between the adjacent two little cooling cooling chambers, 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, efficient energy-saving metal band continuous annealing furnace, it can anneal sheet metal strip 70, and described sheet metal strip 70 can be steel band, copper strips etc.Described annealing furnace comprises anneal chamber and surrounds the furnace wall 10 of anneal chamber that 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 the described furnace wall 10, parallel first wall 13 and second wall, 14 directions are defined as X1, vertical first wall 13 and second wall, 14 directions are defined as X2.
The divider wall 20 that is intervally arranged along the X1 direction is set within the described furnace wall 10, those divider walls 20 are divided into intensification workshop section 30, cooling workshop section 40, overaging workshop section 50 and the cooling workshop section 60 that laterally (X1) is arranged in order with anneal chamber, described import 11 and outlet 12 all are located at cooling workshop section 60, make described band 70 can pass through import 11, cooling workshop section 60, overaging workshop section 50, cooling workshop section 40, intensification workshop section 30, cooling workshop section 40, overaging workshop section 50 successively, cool off workshop section 60 and export 12.In order to cooperate band 70 turnover divider walls 20, need on divider wall 20, offer through hole 21, and the position that described through hole 21 is provided with preferably can cooperate band 70 trends.
Be provided with first group of transfer roller in the 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 constitute the double wave shape wave, make and to produce heat exchange between approach axis band and the exit axis band, with heating approach axis band, cooling exit axis band.
In the described overaging workshop section 50 second group of transfer roller 51 is set, more described second group of transmission rod 51 line constitute single waviness, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller 51 makes the exit axis band constitute single waviness.And, be provided with first heating unit 52 in the described overaging workshop section 50, be used to keep the temperature in the overaging workshop section 50, handle 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 the 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 constitute the double wave shape wave, make and to produce heat exchange between approach axis band and the exit axis band, with heating approach axis band, cooling exit axis band.Among the present embodiment, can adjust the exit axis band to required technological temperature of overaging workshop section and cooling timeliness, decrease of temperature value (temperature difference) during described cooling timeliness is meant at the fixed time, wherein, mainly be 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 is provided with second heating unit 32 and the 4th group of transfer roller 31 in it, more described the 4th group of transmission rod 31 lines constitute single waviness, described band 70 connects the 4th group of transfer roller and constitutes 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 required technological temperature of annealing process and intensification timeliness.
Be installed with on described first wall 13 that cools off within the workshop section 60 along X1 direction interval 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 first wall 13 the transfer roller group; Be installed with on described second wall 14 that cools off within the workshop section 60 along X1 direction interval 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 second wall 14 the transfer roller group; Described first middle walls 63 and second middle walls 64 are overlapping in the projection section of X2 direction.Cooperate furnace wall 10 can form each adjacent little cooling cooling chamber by described first middle walls 63 and second middle walls 64, mark as the dotted line among the figure, owing to can not produce heat exchange between the adjacent little cooling cooling chamber, therefore have temperature head between the adjacent little cooling cooling chamber, then pass in and out the heat exchanger effectiveness height between the band 70.
Be installed with along X1 direction interval the 3rd middle walls 43 side by side on 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 first wall 13 the transfer roller group; Be installed with on described second wall 14 that cools off within the 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 second wall 14 the transfer roller group; Described the 3rd middle walls 43 and the 3rd middle walls 44 are overlapping in the projection section of X2 direction.Cooperate furnace wall 10 can form each adjacent little cooling cooling chamber by described the 3rd middle walls 43 and the 3rd middle walls 44, mark as the dotted line among the figure, owing to can not produce heat exchange between the adjacent little cooling cooling chamber, therefore have temperature head between the adjacent little cooling cooling chamber, then pass in and out the heat exchanger effectiveness height between the band 70.
The employing said structure is provided with, and the minimum strip temperature that withdraws from annealing furnace that can make remains between the 100-50 degree, then can cut down the consumption of energy greatly, saves heat energy, and wastage rate reduce 80-90%.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process according to this, i.e. the equivalence of doing according to claim of the present invention and description changes and modification, all should still belong in the scope that the present invention contains.
Claims (9)
1. efficient energy-saving metal band continuous annealing furnace, it can the anneal sheet metal strip, and described annealing furnace comprises anneal chamber and surrounds the furnace wall of anneal chamber that described furnace wall offers import and the outlet that enters anneal chamber for band; It is characterized in that:
Within the described furnace wall divider wall is set, those divider walls are divided into anneal chamber intensification workshop section, cooling workshop section, overaging workshop section and the cooling workshop section that laterally is arranged in order at least, described import and outlet all are located at cooling workshop section, make described band can pass through import, cooling workshop section, overaging workshop section, cooling workshop section, intensification workshop section, cooling workshop section, overaging workshop section, cooling workshop section and outlet successively;
Wherein:
Described cooling workshop section is used to make between the different band of turnover direction to produce heat exchange, with heating approach axis band, and cooling exit axis band;
Described overaging workshop section is provided with first heating unit in it, be used to keep the temperature in the overaging workshop section, handles the exit axis band with overaging;
Described cooling workshop section is used to make between the different band of turnover direction to produce heat exchange, with heating approach axis band, and cooling exit axis band;
Described intensification workshop section is provided with second heating unit in it, be used to heat band.
2. efficient energy-saving metal band continuous annealing furnace according to claim 1 is characterized in that:
Be provided with first group of transfer roller in the described cooling workshop section, more described first group of transfer roller line constitutes up and down side by side double wave shape wave at interval, and described band connects first group of transfer roller makes approach axis band and exit axis band constitute the double wave shape wave;
In the described overaging workshop section second group of transfer roller is set, more described second group of transmission rod line constitutes single waviness, and described approach axis band straight line passes, and described exit axis band connects second group of transfer roller makes the exit axis band constitute single waviness;
Be provided with the 3rd group of transfer roller in the described cooling workshop section, more described the 3rd group of transfer roller line constitutes up and down side by side double wave shape wave at interval, and described band connects the 3rd group of transfer roller makes approach axis band and exit axis band constitute the double wave shape wave;
In the described intensification workshop section the 4th group of transfer roller is set, more described the 4th group of transmission rod line constitutes single waviness, and described band connects the 4th group of transfer roller and constitutes single waviness.
3. efficient energy-saving metal band continuous annealing furnace according to claim 2 is characterized in that: described divider wall is provided with the through hole for the band turnover.
4. efficient energy-saving metal band continuous annealing furnace according to claim 3 is characterized in that:
Have on the described furnace wall practise physiognomy to one first wall and one second wall, parallel first wall and the second wall direction are defined as X1, vertical 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 a big 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.
5. efficient energy-saving metal band continuous annealing furnace according to claim 4 is characterized in that:
Be installed with on described first wall that cools off within the workshop section along X1 direction interval 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 first wall the transfer roller group;
Be installed with on described second wall that cools off within the workshop section along X1 direction interval 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 second wall the transfer roller group.
6. efficient energy-saving metal band continuous annealing furnace according to claim 5 is characterized in that: described first middle walls and second middle walls are overlapping in the projection section of X2 direction.
7. efficient energy-saving metal band continuous annealing furnace according to claim 3 is characterized in that:
Have on the described furnace wall practise physiognomy to one first wall and one second wall, parallel first wall and the second wall direction are defined as X1, vertical 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 a big 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.
8. efficient energy-saving metal band continuous annealing furnace according to claim 7 is characterized in that:
Be installed with along X1 direction interval the 3rd middle walls side by side on 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 first wall the transfer roller group;
Be installed with along X1 direction interval the 4th middle walls side by side on 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 second wall the transfer roller group.
9. efficient energy-saving metal band continuous annealing furnace according to claim 8 is characterized in that: described the 3rd middle walls and the 4th middle walls are overlapping in the projection section of X2 direction.
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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 |
|---|---|---|---|---|
| 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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- 2010-07-27 CN CN 201010238186 patent/CN102010981B/en active Active
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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