CN201873719U - High-performance steel plate thermal treating device - Google Patents

High-performance steel plate thermal treating device Download PDF

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Publication number
CN201873719U
CN201873719U CN2010206301739U CN201020630173U CN201873719U CN 201873719 U CN201873719 U CN 201873719U CN 2010206301739 U CN2010206301739 U CN 2010206301739U CN 201020630173 U CN201020630173 U CN 201020630173U CN 201873719 U CN201873719 U CN 201873719U
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China
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therewith
roller
roll
straighteners
thermal treatment
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Expired - Fee Related
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CN2010206301739U
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Chinese (zh)
Inventor
刘井野
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LIAONING HENGYE HI-TECH NEW MATERIAL Co Ltd
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LIAONING HENGYE HI-TECH NEW MATERIAL Co Ltd
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Priority to CN2010206301739U priority Critical patent/CN201873719U/en
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Publication of CN201873719U publication Critical patent/CN201873719U/en
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Abstract

The utility model relates to the technical field of high-performance steel plate thermal treatment, in particular to a high-performance steel plate thermal treating device which comprises the following devices in sequence: an entrance steel coil storage saddle, a coiling trolley, an uncoiling machine, a No. 1 pinch roll, a No. 1 side guiding device, a No. 1 straightener, a pair of entrance end shears, a No. 2 side guiding device, a manual welding platform connected with the No. 2 side guiding device, a No. 3 side guiding device connected with the manual welding platform, a No. 2 pinch roll, a No. 1 tension roll, a No. 1 deviation rectifying roll, a No. 1 turning roll, an entrance loop, a No. 2 tension roll, a thermal treating section, a No. 2 deviation rectifying roll, a No. 2 turning roll, a No. 3 tension roll, a No. 2 straightener, a plasma cutting machine, a transitional rack, a traversing conveyer chain, an entrance roll way of a No. 3 straightener, a No. 4 side guiding device, a No. 4 pinch roll, the No. 3 straightener and a pair of sizing shears. The yield strength of produced steel plats can achieve above 1000 M Pa, and the performance requirements of high strength, high tenacity and cold bendability can be met.

Description

The quality plate thermal treatment unit
Technical field
The utility model relates to quality plate heat treatment technics field, particularly a kind of quality plate thermal treatment unit.
Background technology
The engineering machinery manufacturing is the main subject of a sale of high tensile steel plate.For increasing work efficiency and work-ing life, domestic and international project machinery develops to high-parameters, maximization direction, and the consumption of high tensile steel plate (more than the 590MPa level) has accounted for 20%~30% of whole steel for engineering mechanism purpose total amount.For example the heavy section of connection mainly produces product and has truck mixer, high-altitude to carry pump truck, road building machine, hoisting machinery etc. in the engineering machinery manufacturing concern, the steel annual requirement is about 50,000 t, main demand high-strength steel and low alloy steel wherein are high-strength steel more than 80%~90%.
For obtaining the low-cost and high-performance steel plate, all strengthened " online thermal treatment " Study on Technology and use both at home and abroad, can play effect energy-saving and cost-reducing, that boost productivity.But the steel plate higher to performance requriements, no matter " online thermal treatment " technology be controlled rolling and controlled cooling (TMCP), quicken cooling (ACC), or online direct quenching (DQ), at present can't be in intensity, toughness, on flatness index, reach gratifying result especially, also be difficult to all replace follow-up conventional thermal treatment.From the angle of Sustainable Development of Enterprises, in case relation between market supply and demand changes, the single enterprise of product will lack competitiveness and the ability to ward off risks.
From the supply-demand situation, China's hot-rolled coil supply is bigger, has been tending towards saturated, but high-performance kind steel plate has certain breach, and existing hot-rolled coil manufacturing enterprise is subjected to the restriction of existing facility, production kind steel plate that congenital defect is arranged, transforms that to upgrade difficulty bigger.
Summary of the invention
The purpose of this utility model provides a kind of quality plate thermal treatment unit, and the steel plate yield strength that is used to produce all can reach more than the 1000MPa, can reach high strength, high tenacity, but the performance requriements of clod wash.
The purpose of this utility model realizes by following technical proposals:
Quality plate thermal treatment unit of the present utility model, it is characterized in that comprising that the following device that continues successively forms: the inlet coil of strip is deposited saddle, Abrollhaspel inlet coil of strip is deposited the upward volume dolly that saddle is connected therewith, go up the Abrollhaspel that the volume dolly is connected therewith, № 1 pinch roll that is connected of Abrollhaspel therewith, № 1 side that is connected of № 1 pinch roll is led device therewith, № 1 side is led № 1 straightener that device is connected therewith, the inlet crop shears that are connected of № 1 straightener therewith, № 2 sides that the crop shears that enter the mouth therewith are connected are led device, № 2 sides are led the artificial jig that device is connected therewith, № 3 sides that artificial therewith jig is connected are led device, № 3 sides are led № 2 pinch rolls that device is connected therewith, № 1 tensioning roller that is connected of № 2 pinch rolls therewith, the № that is connected of № 1 tensioning roller 1 correction roller therewith, № 1 deflector roll that are connected of № 1 correction roller therewith, the entry loop that is connected of № 1 deflector roll therewith, № 2 tensioning rollers that are connected of entry loop therewith, the thermal treatment section that is connected of № 2 tensioning rollers therewith, the № 2 correction rollers that thermal treatment section therewith is connected, № 2 deflector roll that are connected of № 2 correction rollers therewith, № 3 tensioning rollers that are connected of № 2 deflector roll therewith, № 3 pinch rolls that are connected of № 3 tensioning rollers therewith, № 2 straighteners that are connected of № 3 pinch rolls therewith, № 1 conveyor roller and the plasma cutting machine that are connected of № 2 straighteners therewith, № 2 conveyor rollers that are connected of plasma cutting machine therewith, the bridging table that is connected of № 2 conveyor rollers therewith, the traversing conveyer chain that is connected of bridging table therewith, the № 3 straighteners inlet roller-way that traversing therewith conveyer chain is connected, № 4 sides that are connected of № 3 straighteners inlets roller-way are led device therewith, № 4 sides are led № 4 pinch rolls that device is connected therewith, № 3 straighteners that are connected of № 4 pinch rolls therewith, the № 3 straighteners outlets roller-way that is connected of № 3 straighteners therewith, the scale that is connected of № 3 straighteners outlets roller-way is cut therewith, scale is cut the sucker stacking roller-way that is connected therewith, the stacking flat-bed trailer that is connected of sucker stacking roller-way therewith, be located at the vacuum pad crane of this sucker stacking roller-way and stacking flat-bed trailer top
Described thermal treatment section is made up of the quenching furnance induction heating section that continues successively-quenching furnance soaking zone-quenching press cooling section-tempering stove induction heating section-tempering stove holding-zone.
Be provided with electromagnetic induction heater in the described quenching furnance induction heating section, the induction heating power of this electromagnetic induction heater is made up of the rectification unit that connects successively, inversion unit, resonance output unit and inductor block four parts, wherein rectification unit converts the power frequency three-phase alternating voltage to volts DS, the inversion unit transformation of electrical energy becomes high-frequency electrical energy, resonance output unit one end connects invertor, and the other end connects inductor block.
Be provided with the aerosol associating quenching press under resistance furnace, the tension force condition in the described quenching furnance soaking zone, this aerosol associating quenching press is made up of aerosol associating cooling section that connects successively and outlet dryer section.
According to the utility model, after the required coils of hot-rolled steel of thermal treatment unit is transported into thermal treatment unit raw material storage by automobile, unloads and be deposited in the raw material storage by crane.According to production program arrangement, coils of hot-rolled steel is deposited saddle by crane handling to the coil of strip that enters the mouth, again by last volume dolly transport enter reel of uncoiler after, reel expansion holds up coil of strip.Last volume dolly descends and withdraws from.The reel of uncoiler rotation, Abrollhaspel is adjusted on vertical and horizontal direction, and steel plate is fed pinch roll.In uncoiling process, pressure roller is pressed in the coil of strip outside surface to prevent the outer loose winding of coil of strip.Steel plate wear the band enter pinch roll after, uncoiler and pressure roller are retracted the original position.After this, carry out following control: regulate dark roller and enter and preset the position, build a state after Abrollhaspel is in, to prevent roll coil of strip folding line and to proofread and correct the steel plate transverse arcuate.Steel plate after the uncoiling should make it consistent with the shear line center, if depart from the center operation, artificial sidesway reel of uncoiler is rectified a deviation.
Steel plate is led device through the № side, aligns at № 1 straightener, and main behaviour chamber operator can export the plate shape situation adjusting straightener roll gap that camera monitors according to straightener.Steel plate behind № 1 straightener aligning is cut place's topping waste material at inlet, and at the jig place, the steel plate of last volume and current volume is led the device place in № 2, № 3 sides end to end and carried out centering, artificial welding.Steel plate after № 1 tensioning roller behind the jig will weld is sent into entry loop, and entry loop should keep certain cover amount before the welding, to guarantee the continuous production of process section between the inlet down period.Pinch roll before № 1 tensioning roller guarantees can keep certain force of strain before № 1 tensioning roller after magnetic tape trailer leaves Abrollhaspel.The kink outlet is provided with № 1 correction roller and guarantees the operation of kink outlet steel plate centering, and process section is pulled out and sent into to № 2 tensioning rollers with steel plate from kink, carries out thermal treatments such as induction heating, quenching, tempering successively, to reach the needed mechanical property of steel plate.Steel plate is rectified a deviation through № 2 correction rollers afterwards, and delivers to outlet section by № 3 tensioning rollers and align, cut.Pinch roll behind № 3 tensioning rollers guarantees that steel plate can keep certain force of strain behind № 3 tensioning rollers, and steel plate is sent into № 2 straighteners carry out high-temperature straightening, and this moment, steel billet temperature was about 350~450 ℃.Conveyor roller is set the outlet of № 2 straighteners and plasma is cut, and № 2 straighteners outlet № 1, № 2 roller-ways all move with process speed during aligning.Plasma is cut with steel plate synchronous operation and to steel plate and is carried out the double length shearing that length is 56m to the maximum.Cut finish after, plasma is cut and is retreated to treating the seat in the plane, waits for next time and shears.The steel plate that downcuts quickens operation at № 2 conveyor rollers, stops after entering stand fully.
Stand descends subsequently, steel plate drop on the traversing conveyer chain and traversing thereupon to № 3 straighteners conveyor roller, centering can be carried out 3 kinds of selections after № 3 straighteners carry out the normal temperature aligning to steel plate according to the plate shape situation of steel plate: do not carry out off-line aligning, 1 off-line aligning and 2 off-line alignings.Steel plate behind the aligning is transported to scale through № 3 straighteners outlets roller-way and cuts the place, excises end to end waste material and carries out cutting to length by production requirement, can also shear sampling when needing.Waste material is collected by the waste material bucket end to end.Steel plate after the shearing is allocated and transported to stockyard by crane behind roller-way transportation, vacuum pad transhipment stacking, bundling and is stacked.
According to the utility model, the main effect of quenching furnance soaking zone: guarantee the homogeneity of steel plate heating, for the homogeneity of steel plate quenching provides condition.This section is a resistance furnace, heating power supply totally 1 tunnel, and installed capacity is 600kW.
Induction heater add heat request: steel plate will satisfy following requirement after through quenching furnance induction heating section, soaking zone:
1) the abundant heating and the soaking of steel plate.
2) the section temperature difference is less than 5 ℃.
Quenching device adopts the aerosol under the tension force condition to unite the quenching unit, guarantees that steel billet temperature finishes quenching in the phase change zone accurately.Quenching press is followed successively by along the steel plate trend: aerosol associating cooling section, outlet dryer section.
The advantage of quality plate thermal treatment unit of the present utility model:
1) inlet adopts dolly fortune volume mode, and processes such as volume, uncoiling are easy, reliable on the entrance coil of strip;
2) service line has disposed № 1, № 2 and № 3 straighteners, and straightener top roll box can tilt forward and back adjustment, the adjustment of top backing up roll roll forming and lower roll box absolute altitude and adjust with change aligning roll gap, so the planeness of steel plate has obtained improving greatly;
3) the synchronous plasma cutting machine of setting and unit is carried out double length shearing, the outlet kink need be set, and has saved investment;
4) scale is cut and is adopted pinch roll to follow the tracks of encoder survey length, has the function of good automatic adjustment sheared length, and the blade clearance adjustment mechanism of easy handling;
5) unit be provided with 2 the cover deviation-rectifying systems and 4 the cover sides lead device, guarantee that steel plate remains on the unit medullary ray.
Description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
As shown in Figure 1, quality plate thermal treatment unit of the present utility model, it is characterized in that comprising the following device that continues successively: the inlet coil of strip is deposited saddle 1, Abrollhaspel inlet coil of strip is deposited the upward volume dolly 2 that saddle 1 is connected therewith, go up the Abrollhaspel 3 that volume dolly 2 is connected therewith, the pressure roller of this Abrollhaspel 3 and dark roller 4, № 1 pinch roll 5 that is connected of Abrollhaspel 3 therewith, № 1 side that is connected of № 1 pinch roll 5 is led device 6 therewith, № 1 side is led № 1 straightener 7 that device 6 is connected therewith, the inlet crop shears 8 that are connected of № 1 straightener 7 therewith, № 2 sides that the crop shears 8 that enter the mouth therewith are connected are led device 9, № 2 sides are led the artificial jig 10 that device 9 is connected therewith, № 3 sides that artificial therewith jig 10 is connected are led device 11, № 3 sides are led № 2 pinch rolls 12 that device 11 is connected therewith, № 1 tensioning roller 13 that is connected of № 2 pinch rolls 12 therewith, the № that is connected of № 1 tensioning roller 13 1 correction roller 14 therewith, № 1 deflector roll 15 that are connected of № 1 correction roller 14 therewith, the entry loop 16 that is connected of № 1 deflector roll 15 therewith, № 2 tensioning rollers 17 that are connected of entry loop 16 therewith, the thermal treatment section that is connected of № 2 tensioning rollers 17 therewith, the № 2 correction rollers 23 that thermal treatment section therewith is connected, № 2 deflector roll 24 that are connected of № 2 correction rollers 23 therewith, № 3 tensioning rollers 25 that are connected of № 2 deflector roll 24 therewith, № 3 pinch rolls 26 that are connected of № 3 tensioning rollers 25 therewith, № 2 straighteners 27 that are connected of № 3 pinch rolls 26 therewith, № 1 conveyor roller and the plasma cutting machine 28 that are connected of № 2 straighteners 27 therewith, № 2 conveyor rollers 29 that are connected of plasma cutting machine 28 therewith, the bridging table 30 that is connected of № 2 conveyor rollers 29 therewith, the traversing conveyer chain 30 that is connected of bridging table 30 therewith, the № 3 straighteners inlet roller-way 31 that traversing therewith conveyer chain 30 is connected, № 4 sides that are connected of № 3 straighteners inlets roller-way 31 are led device 32 therewith, № 4 sides are led № 4 pinch rolls 33 that device 32 is connected therewith, № 3 straighteners 34 that are connected of № 4 pinch rolls 33 therewith, the № 3 straighteners outlets roller-way 35 that is connected of № 3 straighteners 34 therewith, the scale that is connected of № 3 straighteners outlets roller-way 35 cuts 36 therewith, scale is cut the 36 sucker stacking roller-ways 37 that are connected therewith, the stacking flat-bed trailer 39 that is connected of sucker stacking roller-way 37 therewith is located at the vacuum pad crane 38 of this sucker stacking roller-way 37 and stacking flat-bed trailer 39 tops.
Described thermal treatment section is made up of the quenching furnance induction heating section 18-quenching furnance soaking zone 19-quenching press cooling section 20-tempering stove induction heating section 21-tempering stove holding-zone 22 that continues successively.
Be provided with electromagnetic induction heater in the described quenching furnance induction heating section 18, the induction heating power of this electromagnetic induction heater is made up of the rectification unit, inversion unit, resonance output unit and inductor block four parts that connect successively, wherein rectification unit converts the power frequency three-phase alternating voltage to volts DS, the inversion unit transformation of electrical energy becomes high-frequency electrical energy, resonance output unit one end connects invertor, and the other end connects inductor block.
Be provided with the aerosol associating quenching press under resistance furnace, the tension force condition in the described quenching furnance soaking zone 19, this aerosol associating quenching press is made up of aerosol associating cooling section that connects successively and outlet dryer section.
The advantage of high-performance steel plate thermal treating device of the present utility model:
1) entrance adopts dolly fortune volume mode, and the processes such as entrance rolling steel coil, uncoiling are easy, reliable;
2) production line has disposed № 1, № 2 and № 3 straighteners, and straightener top roll box can tilt forward and back adjustment, the adjustment of top backing up roll roll forming and lower roll box absolute altitude and adjust to change the aligning roll gap, so the glacing flatness of steel plate has obtained improving greatly;
3) the synchronous CUT of setting and unit carries out double length shearing, outlet looping need be set, and has saved investment;
4) fixed size scissors adopts pinch roll to follow the tracks of encoder and surveys length, has the function of good automatic adjustment sheared length, and the knife-edge gap guiding mechanism of easy operating;
5) unit arrange 2 the cover deviation-rectifying systems and 4 the cover sides lead device, guarantee that steel plate remains on the unit centre line.

Claims (4)

1. quality plate thermal treatment unit, it is characterized in that comprising the following device that continues successively: the inlet coil of strip is deposited saddle, Abrollhaspel inlet coil of strip is deposited the upward volume dolly that saddle is connected therewith, go up the Abrollhaspel that the volume dolly is connected therewith, № 1 pinch roll that is connected of Abrollhaspel therewith, № 1 side that is connected of № 1 pinch roll is led device therewith, № 1 side is led № 1 straightener that device is connected therewith, the inlet crop shears that are connected of № 1 straightener therewith, № 2 sides that the crop shears that enter the mouth therewith are connected are led device, № 2 sides are led the artificial jig that device is connected therewith, № 3 sides that artificial therewith jig is connected are led device, № 3 sides are led № 2 pinch rolls that device is connected therewith, № 1 tensioning roller that is connected of № 2 pinch rolls therewith, the № that is connected of № 1 tensioning roller 1 correction roller therewith, № 1 deflector roll that are connected of № 1 correction roller therewith, the entry loop that is connected of № 1 deflector roll therewith, № 2 tensioning rollers that are connected of entry loop therewith, the thermal treatment section that is connected of № 2 tensioning rollers therewith, the № 2 correction rollers that thermal treatment section therewith is connected, № 2 deflector roll that are connected of № 2 correction rollers therewith, № 3 tensioning rollers that are connected of № 2 deflector roll therewith, № 3 pinch rolls that are connected of № 3 tensioning rollers therewith, № 2 straighteners that are connected of № 3 pinch rolls therewith, № 1 conveyor roller and the plasma cutting machine that are connected of № 2 straighteners therewith, № 2 conveyor rollers that are connected of plasma cutting machine therewith, the bridging table that is connected of № 2 conveyor rollers therewith, the traversing conveyer chain that is connected of bridging table therewith, the № 3 straighteners inlet roller-way that traversing therewith conveyer chain is connected, № 4 sides that are connected of № 3 straighteners inlets roller-way are led device therewith, № 4 sides are led № 4 pinch rolls that device is connected therewith, № 3 straighteners that are connected of № 4 pinch rolls therewith, the № 3 straighteners outlets roller-way that is connected of № 3 straighteners therewith, the scale that is connected of № 3 straighteners outlets roller-way is cut therewith, scale is cut the sucker stacking roller-way that is connected therewith, the stacking flat-bed trailer that is connected of sucker stacking roller-way therewith is located at the vacuum pad crane of this sucker stacking roller-way and stacking flat-bed trailer top.
2. quality plate thermal treatment unit according to claim 1 is characterized in that described thermal treatment section is made up of the quenching furnance induction heating section that continues successively-quenching furnance soaking zone-quenching press cooling section-tempering stove induction heating section-tempering stove holding-zone.
3. quality plate thermal treatment unit according to claim 2, it is characterized in that being provided with electromagnetic induction heater in the described quenching furnance induction heating section, the induction heating power of this electromagnetic induction heater is made up of the rectification unit, inversion unit, resonance output unit and inductor block four parts that connect successively.
4. quality plate thermal treatment unit according to claim 2, it is characterized in that being provided with in the described quenching furnance soaking zone aerosol associating quenching press under resistance furnace, the tension force condition, this aerosol associating quenching press is made up of aerosol associating cooling section that connects successively and outlet dryer section.
CN2010206301739U 2010-11-29 2010-11-29 High-performance steel plate thermal treating device Expired - Fee Related CN201873719U (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753220A (en) * 2014-01-08 2014-04-30 佛山宝钢不锈钢贸易有限公司 Control system used for tail of coiler to adjust central line of coiler and using method of control system
CN106862287A (en) * 2017-01-09 2017-06-20 华峰铝业有限公司 A kind of preparation method of hot rolled steel plate
CN109777946A (en) * 2019-03-25 2019-05-21 宝钢湛江钢铁有限公司 A kind of production system of strip continuous heat
CN112143877A (en) * 2020-09-02 2020-12-29 中冶南方工程技术有限公司 Hot-rolled high-strength steel full-continuous heat treatment production system and method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103753220A (en) * 2014-01-08 2014-04-30 佛山宝钢不锈钢贸易有限公司 Control system used for tail of coiler to adjust central line of coiler and using method of control system
CN106862287A (en) * 2017-01-09 2017-06-20 华峰铝业有限公司 A kind of preparation method of hot rolled steel plate
CN106862287B (en) * 2017-01-09 2019-07-23 华峰铝业有限公司 A kind of preparation method of hot rolled steel plate
CN109777946A (en) * 2019-03-25 2019-05-21 宝钢湛江钢铁有限公司 A kind of production system of strip continuous heat
CN112143877A (en) * 2020-09-02 2020-12-29 中冶南方工程技术有限公司 Hot-rolled high-strength steel full-continuous heat treatment production system and method
CN112143877B (en) * 2020-09-02 2024-02-23 中冶南方工程技术有限公司 Full-continuous heat treatment production system and method for hot-rolled high-strength steel

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Granted publication date: 20110622

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