CN103981361A - Alloying furnace soaking zone temperature control system - Google Patents
Alloying furnace soaking zone temperature control system Download PDFInfo
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- CN103981361A CN103981361A CN201410241358.3A CN201410241358A CN103981361A CN 103981361 A CN103981361 A CN 103981361A CN 201410241358 A CN201410241358 A CN 201410241358A CN 103981361 A CN103981361 A CN 103981361A
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Abstract
The invention relates to an alloying furnace soaking zone temperature control system. A technical scheme is as follows: the temperature control system consists of two temperature control devices and a temperature automatic control system, wherein the two temperature control devices are symmetrically arranged at front and rear sides of an air bellow frame (1) at an outlet end of the soaking zone of the alloying furnace; three three-position four-way solenoid valves (23) in the temperature automatic control system are correspondingly connected with gas cylinders (19) in the temperature control devices at the front and the rear sides by compressed air pipelines. Each temperature control device consists of three layers of temperature control devices; a left side plate (4) and a right side plate (11) of each layer of the temperature control devices are correspondingly fixed with a second connecting sheet (3) and a third connecting sheet (12); the second connecting sheet (3) is hinged with piston rods of the gas cylinders (19); the two ends of a steel wire rope (18) fixed on the first connecting sheet (17) are fixedly connected with the third connecting sheet (12) by corresponding left slide wheel (2) and right slide wheel (13). The alloying furnace soaking zone temperature control system disclosed by the invention has characteristics of high control precision and long service life, and is easy to maintain.
Description
Technical field
The invention belongs to temperature control technology field.Be specifically related to a kind of alloying furnace soaking zone temperature controlling system.
Background technology
Alloying is that the pure zinc coating that hot dip process is obtained carries out coating diffusion annealing immediately at 450 ~ 550 ℃, obtains the process of the zn-fe alloy coating of iron level between 7 ~ 15%.Alloying temperature is controlled technique and is comprised heating, insulation and cooling three processes, and the online equipment of Alloying Treatment consists of process furnace, soaking pit and water cooler, is provided with online in addition temperature measuring set and sensor to control iron level and the phase structure of coating.Controlling accurately and efficiently alloying furnace internal temperature, is the important step that guarantees the quality of production of galvanized steel.
At present, some alloying furnace soaking zone exit temperature of iron and steel enterprise is too low, is difficult to reach the required temperature of processing requirement, and its major cause is to flow out from the air stream outlet of cooling section both sides due to hot gas flow that soaking zone rises, and causes calorific loss too much.Along with the variation of production with Steel Pattern Number, the temperature of processing requirement also changes in addition, and current production unit can't effectively be controlled different technological temperatures.
Summary of the invention
The present invention is intended to overcome prior art defect, and object is to provide the alloying furnace soaking zone temperature controlling system that a kind of temperature control precision is high, be easy to maintenance, long service life.
For achieving the above object, technical scheme of the present invention is: the exit end of described alloying furnace soaking zone is provided with bellows frame, at the bellows frame near described exit end, temperature controlling system is housed, temperature controlling system is comprised of two temperature-control devices and an automatic temperature control system.Two temperature-control devices are arranged on the both sides, front and back of bellows frame symmetrically, and automatic temperature control system is connected with two temperature-control devices.
Each temperature-control device forms by the first erecting frame, the second erecting frame, the 3rd erecting frame, the 4th erecting frame, lower floor's temperature-control device, middle level temperature-control device and upper strata temperature-control device.From the bottom of bellows frame, the first erecting frame, the second erecting frame, the 3rd erecting frame and the 4th erecting frame are installed from lower to upper successively equably, the 4th erecting frame is positioned at 3/5 ~ 4/5 place of bellows frame height.The upper plane of the first erecting frame, the second erecting frame and the 3rd erecting frame is equipped with glide path regularly, the lower plane of the second erecting frame, the 3rd erecting frame and the 4th erecting frame is equipped with sliding ways regularly, and lower floor's temperature-control device, middle level temperature-control device and upper strata temperature-control device are arranged between each self-corresponding glide path and sliding ways.
Lower floor's temperature-control device, middle level temperature-control device are identical with upper strata temperature control device structure, and every layer of temperature-control device comprises the first connection piece, the second connection piece, the 3rd connection piece, upper roller, bottom roller, left chain wheel, right pulley, wireline, cylinder, left plate and right side plate.Left plate and right side plate are arranged on left side and the right side of bellows frame accordingly, 2 ~ 3 upper rollers are equipped with respectively in the upper end of each left plate and right side plate, 2 ~ 3 bottom rollers are equipped with respectively in the lower end of each left plate and right side plate, and upper roller and bottom roller pack in sliding ways and glide path accordingly.
Place, mid-way at left plate or right side plate is fixed with the second connection piece, and the piston rod of the second connection piece and cylinder is hinged, and the inboardend of every layer of cylinder is fixed on each self-corresponding first erecting frame or the second erecting frame or the 3rd erecting frame by anchor.Near place, bellows frame both sides, left chain wheel and right pulley are being housed symmetrically, the below of the second connection piece is fixed with the first connection piece, at right side plate or left plate, is fixed with the 3rd connection piece.The two ends that are fixed on the wireline on the first connection piece are fixedly connected with the 3rd connection piece with right pulley by each self-corresponding left chain wheel.
Automatic temperature control system comprises three three position four-way electromagnetic valves, three one-way throttle valves, a temperature regulator and a source of the gas.Temperature regulator is arranged on the exit end of alloying furnace soaking zone, control output end of temperature regulator is connected respectively with the left side terminals of three three position four-way electromagnetic valves, and another control output end of temperature regulator is connected respectively with the right side terminals of three three position four-way electromagnetic valves.The entrance of three one-way throttle valves is connected with the outlet of source of the gas, and the outlet of three one-way throttle valves is connected with the P mouth of each self-corresponding three position four-way electromagnetic valve respectively.
The A mouth of three three position four-way electromagnetic valves is connected by the rodless cavity of the cylinder in each self-corresponding lower floor temperature-control device, middle level temperature-control device and upper strata temperature-control device in the temperature-control device of pneumatic line and both sides, front and back respectively, and the B mouth of three three position four-way electromagnetic valves is connected by the rod chamber of the cylinder in each self-corresponding lower floor temperature-control device, middle level temperature-control device and upper strata temperature-control device in the temperature-control device of pneumatic line and both sides, front and back respectively.
The first described erecting frame, the second erecting frame, the 3rd erecting frame are all identical with the 4th erecting frame shape and structure.
The first described connection piece is centered close on an outside common tangent of left chain wheel and right pulley; The 3rd described connection piece is centered close on another outside common tangent of left chain wheel and right pulley.
Working process of the present invention is: the temperature requirement in the involutory aurification stove of the travelling speed soaking zone during according to the model of galvanized steel (width, the thickness that comprise galvanized steel) and galvanized steel processing, maximum temperature values Tmax and the minimum temperature value Tmin of design temperature controller between temperature-controlled area.
Open alloying furnace soaking zone temperature controlling system, the temperature regulator of automatic temperature control system receives the temperature signal in alloying furnace soaking zone.Temperature in alloying furnace soaking zone lower than set minimum temperature value Tmin time, temperature regulator output signal in automatic temperature control system, the electro-magnet in three three position four-way electromagnetic valve left sides is switched on simultaneously, the P mouth of each three position four-way electromagnetic valve is communicated with the gas circuit of A mouth, T mouth communicates with the gas circuit of B mouth, in the rodless cavity of the cylinder of every layer of temperature-control device before and after the high pressure gas of A mouth output are passed in the temperature-control device of both sides, the piston rod of cylinder moves right., in the temperature-control device of both sides, each layer of corresponding left plate and the right side plate of temperature-control device starts closure, and the temperature in alloying furnace soaking zone starts to rise.
When the left plate that every layer of temperature-control device in the temperature-control device of both sides, front and back is corresponding and right side plate are completely closed, the electro-magnet dead electricity in three three position four-way electromagnetic valves left sides, three three position four-way electromagnetic valves are got back to meta, the piston rod stop motion of cylinder.Now, in each layer of temperature-control device in the temperature-control device of both sides, front and back, corresponding left plate and right side plate is kept closed.
Temperature in alloying furnace soaking zone higher than set maximum temperature values Tmax time, temperature regulator output signal in automatic temperature control system, the electro-magnet on three three position four-way electromagnetic valve right sides is switched on simultaneously, the P mouth of each three position four-way electromagnetic valve communicates with the gas circuit of B mouth, T mouth communicates with the gas circuit of A mouth, the high pressure gas of B mouth output are passed in the rod chamber of each cylinder, cylinder piston rod is to left movement, in each layer of temperature-control device in the temperature-control device of both sides, front and back, corresponding left plate and right side plate starts to open, temperature in alloying furnace soaking zone starts to decline.When the left plate that every layer of temperature-control device in the temperature-control device of both sides, front and back is corresponding and right side plate are opened completely, the electro-magnet dead electricity on three three position four-way electromagnetic valve right sides, three three position four-way electromagnetic valves are got back to meta, the piston rod stop motion of cylinder.Now, every layer of temperature-control device in the temperature-control device of both sides, front and back is corresponding whole left plates and right side plate stay open state.
If in alloying furnace soaking zone temperature lower than set minimum temperature value Tmin time, repeat said process.
Owing to adopting technique scheme, the present invention compared with prior art has following effect:
The front and back both sides of the present invention above alloying furnace exit end are provided with alloying furnace soaking zone temperature controlling system, by the three position four-way electromagnetic valve of automatic temperature control system, control the folding of left plate and right side plate, automatically to regulate the temperature in alloying furnace soaking zone, control accuracy is high.
Move through wireline, left chain wheel, right pulley, the first connection piece and the 3rd connection piece of left plate of the present invention or right side plate drive right side plate or left plate, simultaneously in opposite directions or opposing motion, can reach the effect that two cylinders act on simultaneously, not only simple in structure, cost is low, and be easy to safeguard and reduce expenses.
Automatic temperature control system of the present invention is only comprised of three three position four-way electromagnetic valves, three one-way throttle valves, a temperature regulator and a source of the gas, and system is simple and reliable; During use, only need check the sensitivity of temperature regulator or replace temperature regulator and get final product life-time service.
Therefore, the present invention have control accuracy high, be easy to the features such as maintenance, long service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the automatic temperature control system figure of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, not the restriction to its protection domain.
embodiment 1
A kind of alloying furnace soaking zone temperature controlling system.The exit end of described alloying furnace soaking zone is provided with bellows frame 1, at the bellows frame 1 near described exit end, temperature controlling system is housed.As shown in Figure 1, temperature controlling system is comprised of two temperature-control devices and an automatic temperature control system this temperature controlling system.Two temperature-control devices are arranged on the both sides, front and back of bellows frame 1 symmetrically, and automatic temperature control system is connected with two temperature-control devices.
Each temperature-control device forms by the first erecting frame 14, the second erecting frame 5, the 3rd erecting frame 8, the 4th erecting frame 7, lower floor's temperature-control device, middle level temperature-control device and upper strata temperature-control device.From the bottom of bellows frame 1,3/5 ~ 7/10 place that the first erecting frame 14, the second erecting frame 5, the 3rd erecting frame 8 and the 4th erecting frame 7, the four erecting frames 7 are positioned at bellows frame 1 height is installed from lower to upper successively equably.The upper plane of the first erecting frame 14, the second erecting frame 5 and the 3rd erecting frame 8 is equipped with glide path 15 regularly, the lower plane of the second erecting frame 5, the 3rd erecting frame 8 and the 4th erecting frame 7 is equipped with sliding ways 10 regularly, and lower floor's temperature-control device, middle level temperature-control device and upper strata temperature-control device are arranged between each self-corresponding glide path 15 and sliding ways 10.
Lower floor's temperature-control device, middle level temperature-control device are identical with upper strata temperature control device structure, and every layer of temperature-control device comprises the first connection piece 17, the second connection piece 3, the 3rd connection piece 12, upper roller 9, bottom roller 16, left chain wheel 2, right pulley 13, wireline 18, cylinder 19, left plate 4 and right side plate 11.Left plate 4 and right side plate 11 are arranged on left side and the right side of bellows frame 1 accordingly, 2 upper rollers 9 are equipped with respectively in the upper end of each left plate 4 and right side plate 11,2 bottom rollers 16 are equipped with respectively in the lower end of each left plate 4 and right side plate 11, and upper roller 9 and bottom roller 16 pack in sliding ways 10 and glide path 15 accordingly.
At the place, mid-way of left plate 4, be fixed with the second connection piece 3, the second connection pieces 3 hinged with the piston rod of cylinder 19, the inboardend of every layer of cylinder 19 is fixed on each self-corresponding first erecting frame 14 or the second erecting frame 5 or the 3rd erecting frame 8 by anchor.In the below that left chain wheel 2 and right pulley 13, the second connection pieces 3 are housed symmetrically near bellows frame 1 place, both sides, be fixed with the first connection piece 17, at right side plate 11, be fixed with the 3rd connection piece 12.The two ends that are fixed on the wireline 18 on the first connection piece 17 are fixedly connected with the 3rd connection piece 12 with right pulley 13 by each self-corresponding left chain wheel 2.
Automatic temperature control system comprises three three position four-way electromagnetic valves 23, three one-way throttle valves 22, temperature regulator 20 and a source of the gas 21.Temperature regulator 20 is arranged on the exit end of alloying furnace soaking zone, control output end of temperature regulator 20 is connected respectively with the left side terminals of three three position four-way electromagnetic valves 23, and another control output end of temperature regulator 20 is connected respectively with the right side terminals of three three position four-way electromagnetic valves 23.The entrance of three one-way throttle valves 22 is connected with the outlet of source of the gas 21, and the outlet of three one-way throttle valves 22 is connected with the P mouth of each self-corresponding three position four-way electromagnetic valve 23 respectively.
The A mouth of three three position four-way electromagnetic valves 23 is connected by the rodless cavity of the cylinder 19 in each self-corresponding lower floor temperature-control device, middle level temperature-control device and upper strata temperature-control device in the temperature-control device of pneumatic line and both sides, front and back respectively, and the B mouth of three three position four-way electromagnetic valves 23 is connected by the rod chamber of the cylinder 19 in each self-corresponding lower floor temperature-control device, middle level temperature-control device and upper strata temperature-control device in the temperature-control device of pneumatic line and both sides, front and back respectively.
Described the first erecting frame 14, the second erecting frame 5, the 3rd erecting frame 8 are all identical with the 4th erecting frame 7 shape and structures.
The first described connection piece 17 is centered close on an outside common tangent of left chain wheel 2 and right pulley 13; The 3rd described connection piece 12 is centered close on another outside common tangent of left chain wheel 2 and right pulley 13.
Specification 1529 * the 1.0mm of the galvanized steel 6 of the present embodiment, the travelling speed 105m/min of galvanized steel 6.It is 470 ℃ with minimum temperature value Tmin that the maximum temperature values Tmax of design temperature controller 20 between temperature-controlled area is 500 ℃.
The working process of the present embodiment is: open alloying furnace soaking zone temperature controlling system, the temperature signal that the temperature regulator 20 of automatic temperature control system receives in alloying furnace soaking zone.Temperature in alloying furnace soaking zone lower than set minimum temperature value Tmin time, temperature regulator 20 output signals in automatic temperature control system, the electro-magnet in three three position four-way electromagnetic valve 23 left sides is switched on simultaneously, the P mouth of each three position four-way electromagnetic valve 23 is communicated with the gas circuit of A mouth, T mouth communicates with the gas circuit of B mouth, in the rodless cavity of the cylinder 19 of every layer of temperature-control device before and after the high pressure gas of A mouth output are passed in the temperature-control device of both sides, the piston rod of cylinder 19 moves right., in the temperature-control device of both sides, each layer of corresponding left plate 4 and the right side plate 11 of temperature-control device starts closure, and the temperature in alloying furnace soaking zone starts to rise.
When the left plate 4 that every layer of temperature-control device in the temperature-control device of both sides, front and back is corresponding and right side plate 11 are completely closed, the electro-magnet dead electricity in three three position four-way electromagnetic valve 23 left sides, three three position four-way electromagnetic valves 23 are got back to meta, the piston rod stop motion of cylinder 19.Now, in each layer of temperature-control device in the temperature-control device of both sides, front and back, corresponding left plate 4 and right side plate 11 is kept closed.
Temperature in alloying furnace soaking zone higher than set maximum temperature values Tmax time, temperature regulator 20 output signals in automatic temperature control system, the electro-magnet on three three position four-way electromagnetic valve 23 right sides is switched on simultaneously, the P mouth of each three position four-way electromagnetic valve 23 communicates with the gas circuit of B mouth, T mouth communicates with the gas circuit of A mouth, the high pressure gas of B mouth output are passed in the rod chamber of each cylinder 19, cylinder 19 piston rods are to left movement, in each layer of temperature-control device in the temperature-control device of both sides, front and back, corresponding left plate 4 and right side plate 11 starts to open, temperature in alloying furnace soaking zone starts to decline.
When the left plate 4 that every layer of temperature-control device in the temperature-control device of both sides, front and back is corresponding and right side plate 11 are opened completely, the electro-magnet dead electricity on three three position four-way electromagnetic valve 23 right sides, three three position four-way electromagnetic valves 23 are got back to meta, the piston rod stop motion of cylinder 19.Now, every layer of temperature-control device in the temperature-control device of both sides, front and back is corresponding whole left plates 4 and right side plate 11 stay open state.
If in alloying furnace soaking zone temperature lower than set minimum temperature value Tmin time, repeat said process.
embodiment 2
A kind of alloying furnace soaking zone temperature controlling system.Except following technical parameter, all the other are with embodiment 1:
Specification 1529 * the 0.696mm of the galvanized steel 6 of the present embodiment, the travelling speed 135m/min of galvanized steel 6.It is 460 ℃ with minimum temperature value Tmin that the maximum temperature values Tmax of design temperature controller 20 between temperature-controlled area is 490 ℃.
The 4th erecting frame 7 is positioned at 7/10 ~ 4/5 place of bellows frame 1 height.
3 upper rollers 9 are equipped with respectively in the upper end of each left plate 4 and right side plate 11, and 3 bottom rollers 16 are equipped with respectively in the lower end of each left plate 4 and right side plate 11.
Place, mid-way at right side plate 11 is fixed with the second connection piece 3, at left plate 4, is fixed with the 3rd connection piece 12.
This embodiment compared with prior art has following effect:
The front and back both sides of this embodiment above alloying furnace exit end are provided with alloying furnace soaking zone temperature controlling system, by the three position four-way electromagnetic valve 23 of automatic temperature control system, control the folding of left plate 4 and right side plate 11, automatically to regulate the temperature in alloying furnace soaking zone, control accuracy is high.
Move through wireline 18, left chain wheel 2, right pulley 13, the first connection piece 17 and the 3rd connection piece 12 of the left plate 4 of this embodiment or right side plate 11 drive right side plate 11 or left plate 4, simultaneously in opposite directions or opposing motion, can reach the effect that two cylinders 19 act on simultaneously, not only simple in structure, cost is low, and be easy to safeguard and reduce expenses.
The automatic temperature control system of this embodiment is only comprised of three three position four-way electromagnetic valves 23, three one-way throttle valves 22, a temperature regulator 20 and a source of the gas 21, and system is simple and reliable; During use, only need check the sensitivity of temperature regulator 20 or replace temperature regulator 20 and get final product life-time service.
Therefore, this embodiment have control accuracy high, be easy to the features such as maintenance, long service life.
Claims (3)
1. an alloying furnace soaking zone temperature controlling system, the exit end that it is characterized in that described alloying furnace soaking zone is provided with bellows frame (1), at the bellows frame (1) near described exit end, temperature controlling system is housed, temperature controlling system is comprised of two temperature-control devices and an automatic temperature control system, two temperature-control devices are arranged on the both sides, front and back of bellows frame (1) symmetrically, and automatic temperature control system is connected with two temperature-control devices;
Each temperature-control device forms by the first erecting frame (14), the second erecting frame (5), the 3rd erecting frame (8), the 4th erecting frame (7), lower floor's temperature-control device, middle level temperature-control device and upper strata temperature-control device; From the bottom of bellows frame (1), the first erecting frame (14), the second erecting frame (5), the 3rd erecting frame (8) and the 4th erecting frame (7) are installed from lower to upper successively equably, the 4th erecting frame (7) is positioned at 3/5 ~ 4/5 place of bellows frame (1) height; The upper plane of the first erecting frame (14), the second erecting frame (5) and the 3rd erecting frame (8) is equipped with glide path (15) regularly, the lower plane of the second erecting frame (5), the 3rd erecting frame (8) and the 4th erecting frame (7) is equipped with sliding ways (10) regularly, and lower floor's temperature-control device, middle level temperature-control device and upper strata temperature-control device are arranged between each self-corresponding glide path (15) and sliding ways (10);
Lower floor's temperature-control device, middle level temperature-control device are identical with upper strata temperature control device structure, and every layer of temperature-control device comprises the first connection piece (17), the second connection piece (3), the 3rd connection piece (12), upper roller (9), bottom roller (16), left chain wheel (2), right pulley (13), wireline (18), cylinder (19), left plate (4) and right side plate (11); Left plate (4) and right side plate (11) are arranged on left side and the right side of bellows frame (1) accordingly, 2 ~ 3 upper rollers (9) are equipped with respectively in the upper end of each left plate (4) and right side plate (11), 2 ~ 3 bottom rollers (16) are equipped with respectively in the lower end of each left plate (4) and right side plate (11), and upper roller (9) and bottom roller (16) pack in sliding ways (10) and glide path (15) accordingly;
Place, mid-way at left plate (4) or right side plate (11) is fixed with the second connection piece (3), the second connection piece (3) is hinged with the piston rod of cylinder (19), and the inboardend of every layer of cylinder (19) is fixed on each self-corresponding first erecting frame (14) or the second erecting frame (5) or the 3rd erecting frame (8) by anchor; Near place, bellows frame (1) both sides, left chain wheel (2) and right pulley (13) are being housed symmetrically, the below of the second connection piece (3) is fixed with the first connection piece (17), at right side plate (11) or left plate (4), is fixed with the 3rd connection piece (12); The two ends that are fixed on the wireline (18) on the first connection piece (17) are fixedly connected with the 3rd connection piece (12) with right pulley (13) by each self-corresponding left chain wheel (2); Automatic temperature control system comprises three three position four-way electromagnetic valves (23), three one-way throttle valves (22), a temperature regulator (20) and a source of the gas (21); Temperature regulator (20) is arranged on the exit end of alloying furnace soaking zone, control output end of temperature regulator (20) is connected respectively with the left side terminals of three three position four-way electromagnetic valves (23), and another control output end of temperature regulator (20) is connected respectively with the right side terminals of three three position four-way electromagnetic valves (23); The entrance of three one-way throttle valves (22) is connected with the outlet of source of the gas (21), and the outlet of three one-way throttle valves (22) is connected with the P mouth of each self-corresponding three position four-way electromagnetic valve (23) respectively;
The A mouth of three three position four-way electromagnetic valves (23) is connected by the rodless cavity of the cylinder (19) in each self-corresponding lower floor temperature-control device, middle level temperature-control device and upper strata temperature-control device in the temperature-control device of pneumatic line and both sides, front and back respectively, and the B mouth of three three position four-way electromagnetic valves (23) is connected by the rod chamber of the cylinder (19) in each self-corresponding lower floor temperature-control device, middle level temperature-control device and upper strata temperature-control device in the temperature-control device of pneumatic line and both sides, front and back respectively.
2. alloying furnace soaking zone temperature controlling system according to claim 1, is characterized in that described the first erecting frame (14), the second erecting frame (5), the 3rd erecting frame (8) are all identical with the 4th erecting frame (7) shape and structure.
3. alloying furnace soaking zone temperature controlling system according to claim 1, is characterized in that described the first connection piece (17) is centered close on an outside common tangent of left chain wheel (2) and right pulley (13); The 3rd described connection piece (12) is centered close on another outside common tangent of left chain wheel (2) and right pulley (13).
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| CN201410241358.3A CN103981361B (en) | 2014-06-03 | 2014-06-03 | A kind of alloying furnace soaking zone temperature controlling system |
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| CN102409158A (en) * | 2011-11-30 | 2012-04-11 | 东北大学 | Automatic control system for moderate-thickness plate roller quenching machine |
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| CN203855620U (en) * | 2014-06-03 | 2014-10-01 | 武汉科技大学 | Temperature control system used for soaking section of alloying furnace |
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2014
- 2014-06-03 CN CN201410241358.3A patent/CN103981361B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0161861A2 (en) * | 1984-05-04 | 1985-11-21 | Kawasaki Steel Corporation | Continuous annealing method and apparatus for cold rolled steel strips |
| JPH01184232A (en) * | 1988-01-14 | 1989-07-21 | Mitsubishi Heavy Ind Ltd | Sheet temperature control method for continuous annealing furnace |
| JPH07150256A (en) * | 1993-10-08 | 1995-06-13 | Sumitomo Metal Ind Ltd | Device for adjusting temperature of steel strip in continuous annealing furnace and method for flattening steel strip |
| CN101376960A (en) * | 2007-08-31 | 2009-03-04 | 宝山钢铁股份有限公司 | Alloying furnace cooling section strip steel cooling apparatus and cooling control method |
| CN102409158A (en) * | 2011-11-30 | 2012-04-11 | 东北大学 | Automatic control system for moderate-thickness plate roller quenching machine |
| CN103103467A (en) * | 2013-01-25 | 2013-05-15 | 河北钢铁股份有限公司邯郸分公司 | Temperature control method of hot-rolled thick-specification galvanized plate heating furnace |
| CN203855620U (en) * | 2014-06-03 | 2014-10-01 | 武汉科技大学 | Temperature control system used for soaking section of alloying furnace |
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| CN103981361B (en) | 2015-12-16 |
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