CN102080149B - Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs - Google Patents
Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs Download PDFInfo
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- CN102080149B CN102080149B CN201010575819.2A CN201010575819A CN102080149B CN 102080149 B CN102080149 B CN 102080149B CN 201010575819 A CN201010575819 A CN 201010575819A CN 102080149 B CN102080149 B CN 102080149B
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Abstract
The invention relates to an energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs, which comprises a furnace body, a feeding platform and a discharging platform, wherein the furnace body, the feeding platform and the discharging platform are respectively provided with a carrier roller; from the end of the feeding platform to the end of the discharging platform, the furnace body is divided into a residual-heat utilizing chamber, an intermediate heat treatment section and a residual-heat recovering chamber; a residual-heat recovering chamber fan is arranged in the residual-heat recovering chamber; a residual-heat utilizing chamber fan is arranged in the residual-heat utilizing chamber; an air-blowing port of the residual-heat recovering chamber fan faces towards the inner cavity of the furnace body; an air suction port of the residual-heat recovering chamber fan is communicated with the air-blowing port of the residual-heat utilizing chamber fan through an air pipe; and the air suction port of the residual-heat utilizing chamber faces towards the inner cavity of the furnace body. The energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs has the advantages that the air is sucked by the residual-heat utilizing chamber, the air is blown by the residual-heat utilizing pipe and the residual-heat recovering chamber, the convection current is formed in the furnace, the hot air moves towards the feeding position from the discharging position so as to form heat displacement, and the residual-heat is fully utilized, therefore being excellent in energy-saving effect.
Description
Technical field
The present invention relates to heat treatment furnace field, especially a kind of energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs.
Background technology
In the heat treatment furnace of prior art, dish circle (the round steel of the dish such as bearing steel, spring steel) annealing adopts pit furnace, bell furnace, car type furnace or the vertical supporting roller furnace of blowing mode substantially, their maximum deficiency is that energy consumption is high, unstable product quality after processing, and vertical supporting roller furnace conveyance poor stability, easily in the course of processing, workpiece is outwelled, and causes maintenance capacity large, manufacturing cost is also high, and particularly the weight of bin is heavy especially.
In the heat treatment furnace of prior art, very high near the portion temperature of outlet at body of heater inner chamber, and body of heater inner chamber needs preheating workpiece portion temperature lower near import.How the even heat of part high for temperature being passed to the low part of temperature, used fully by waste heat, is also urgent problem of the present invention.
Summary of the invention
Object of the present invention just in order to overcome the deficiency of above-mentioned technology, and provides a kind of energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs, has hot shift function and coil circle charging method to adopt horizontal anneling production line.
The present invention solves the technical scheme that its technical problem adopts: this energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs, comprise body of heater, loading bay and discharge pedestal, in body of heater, loading bay and discharge pedestal are provided with carrying roller, body of heater is divided into UTILIZATION OF VESIDUAL HEAT IN room to that one end of discharge pedestal by this one end of loading bay, intermediate heat treatment section and waste heat recovery room, waste heat recovery room blower fan is provided with in waste heat recovery room, UTILIZATION OF VESIDUAL HEAT IN room blower fan is provided with in UTILIZATION OF VESIDUAL HEAT IN room, the blowing mouth of waste heat recovery room blower fan is towards the inner chamber of body of heater, the suction opening of waste heat recovery room blower fan is connected by the blowing mouth of airduct with UTILIZATION OF VESIDUAL HEAT IN room blower fan, the air suction inlet of UTILIZATION OF VESIDUAL HEAT IN room blower fan is towards the inner chamber of body of heater.
As preferably, intermediate heat treatment section is provided with intermediate heat treatment section blowing blower fan, and UTILIZATION OF VESIDUAL HEAT IN room arranges UTILIZATION OF VESIDUAL HEAT IN room forced draft fans, and intermediate heat treatment section blowing blower fan is connected with UTILIZATION OF VESIDUAL HEAT IN room forced draft fans by UTILIZATION OF VESIDUAL HEAT IN pipe.
As preferably, described airduct forms U-shaped structure by three sections, and one section of by-level is arranged in the thermal insulation layer of body of heater.
As preferably, adopt the stable vacuum air-changing room for maintaining the controlled atmosphere in stove and final vacuum room respectively in the front and back of body of heater.
As preferably, described intermediate heat treatment section comprises intensification section, holding-zone, rapid cooling section, isothermal section and slow cooling section.
As preferably, described carrying roller is provided with the bin placing disk, the cross section of bin becomes semicircle, and the size of its diameter matches with dish circular diameter, and the length of bin and the length of disk match, and form horizontal charging structure.
As preferably, described bin is fixedly welded to connect by one group of web plate the semicircle bathtub construction forming hollow out.
As preferably, described air blower and suction fan are arranged on the top of body of heater.
The effect that the present invention is useful is: 1, UTILIZATION OF VESIDUAL HEAT IN room blower fan is inhaled, and is blown, in body of heater, form convection current by UTILIZATION OF VESIDUAL HEAT IN pipeline and waste heat recovery room blower fan, by hot blast from discharging toward charging prescription to motion, formation heat is shifted, and used fully by waste heat, energy-saving effect is splendid.2, dish circle material frame structure adopts Plate Welding to form, and base is formed the semicircle bathtub construction of hollow out, reduces weight and reduces manufacturing cost, reach energy-saving effect, operate steadily.3, adopt vacuum air-locked behind this stokehold or utilize waste gas to replace room, furnace gas being stablized controlled.Level of automation is high, just controls with programmable PLC, makes the constant product quality of processing, reliable.Greatly reduce use cost, high-quality product can be produced.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is the front view of bin of the present invention;
Fig. 3 is the side-view of bin of the present invention.
Description of reference numerals:
Loading bay 1, bin 2, No. 3,1, vacuum air-changing room door 4, No. 2 doors 5, insulated door 6, UTILIZATION OF VESIDUAL HEAT IN room blower fan 7, UTILIZATION OF VESIDUAL HEAT IN room 8, intermediate heat treatment section 9, waste heat recovery room 10, waste heat recovery room blower fan 11, discharging insulated door 12, water cooling chamber 13, final vacuum room 14, discharge pedestal 15, carrying roller 16, thermopair 17, heating member 18, airduct 19, body of heater 20, disk 21, intermediate heat treatment section blowing blower fan 22, UTILIZATION OF VESIDUAL HEAT IN pipe 23, UTILIZATION OF VESIDUAL HEAT IN room forced draft fans 24.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, this energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs, comprise body of heater 20, loading bay 1, discharge pedestal 15, No. 1 door 4, No. 2 doors 5, insulated door 6, water cooling chamber 13 and discharging insulated doors 12, be provided with carrying roller 16, heating member 18 and thermopair 17 in body of heater 20, loading bay 1 and discharge pedestal 15 are provided with carrying roller 16.The stable vacuum air-changing room 3 for maintaining the controlled atmosphere in stove and final vacuum room 14 is adopted respectively in the front and back of body of heater 20.Body of heater 20 is divided into UTILIZATION OF VESIDUAL HEAT IN room 8, intermediate heat treatment section 9 and waste heat recovery room 10 to that one end of discharge pedestal 15 by this one end of loading bay 1, and intermediate heat treatment section 9 comprises intensification section, holding-zone, rapid cooling section, isothermal section and slow cooling section.Waste heat recovery room blower fan 11 is provided with in waste heat recovery room 10, UTILIZATION OF VESIDUAL HEAT IN room blower fan 7 is provided with in UTILIZATION OF VESIDUAL HEAT IN room 8, the blowing mouth of waste heat recovery room blower fan 11 is towards the inner chamber of body of heater, the suction opening of waste heat recovery room blower fan 11 is connected by the blowing mouth of airduct 19 with UTILIZATION OF VESIDUAL HEAT IN room blower fan 7, the air suction inlet of UTILIZATION OF VESIDUAL HEAT IN room blower fan 7 is towards the inner chamber of body of heater, airduct 10 forms U-shaped structure by three sections, and one section of by-level is arranged in the thermal insulation layer of body of heater.Intermediate heat treatment section 9 is provided with intermediate heat treatment section blowing blower fan 22, and UTILIZATION OF VESIDUAL HEAT IN room 8 arranges UTILIZATION OF VESIDUAL HEAT IN room forced draft fans 24, and intermediate heat treatment section blowing blower fan 22 is connected with UTILIZATION OF VESIDUAL HEAT IN room forced draft fans 24 by UTILIZATION OF VESIDUAL HEAT IN pipe 23.
Working process: by the horizontal placement bin 2 of dish circle, and material and bin 2 to be placed on loading bay 1, automatically control No. 3,1, vacuum air-changing room door 4 by PLC and optoelectronic switch and automatically open, expect to enter vacuum air-changing room 3 fast, door is shut and vacuumized logical nitrogen; No. 2 doors 5 and insulated door 6 are opened simultaneously, enter into UTILIZATION OF VESIDUAL HEAT IN room 8 fast, touch optoelectronic switch and are careful, in the slow transmission of main stove.Be transferred to intensification, insulation, rapid cooling, isothermal, slow cooling section by carrying roller 16, enter into waste heat recovery room 10 after completing by processing requirement and lower the temperature.When the optoelectronic switch on discharging insulated door 12 limit gone to by material, discharging insulated door 12 is opened, and is transferred to water cooling chamber 13 quickly through carrying roller 16.When encountering the optoelectronic switch of water cooling chamber 13, discharging insulated door 12 is shut, and workpiece continues to cool.After completing, 14, final vacuum room is opened, and bin 2 goes to vacuum chamber fast, and door is shut, and after the residence time completes, rear discharging Vacuum door is opened, and material enters into discharge pedestal 15 fast.
Principle of work: UTILIZATION OF VESIDUAL HEAT IN room blower fan 7 by suction opening air-breathing from UTILIZATION OF VESIDUAL HEAT IN room 8, then is sent to waste heat recovery room blower fan 11 by airduct 19, is blowed to the inner chamber of waste heat recovery room 10 by waste heat recovery room blower fan 11 from blowing mouth.Meanwhile, UTILIZATION OF VESIDUAL HEAT IN room forced draft fans 24 air-breathing, is blown by intermediate heat treatment section blowing blower fan 22.Because front and back have employed vacuum air-locked, controlled atmosphere in stove is stablized, by this anneling production line with hot shift function, be the low temperature place of charging place in stove furnace gas by arrange blower fan be drawn in transport pipe, be transported to the blowout blower fan blowout that discharging place is arranged, workpiece is lowered the temperature, allows heat in stove to the displacement of charging prescription thermotropism, realize energy-conservation.Same technology also can realize at the rapid cooling place of anneling production line.All heats of temperature-fall period that needs in stove are not outflowed, realizes energy-saving effect.
As shown in Figures 2 and 3, because the dish circle of processing work have employed horizontal blowing mode, we devise dish circle material frame structure, carrying roller 16 is provided with the bin 20 placing disk, bin 20 is fixedly welded to connect by one group of web plate the semicircle bathtub construction forming hollow out, the size of its diameter matches with dish circular diameter, and the length of bin 20 and the length of disk match, and form horizontal charging structure; Workpiece is made to be not easy distortion in heat-processed.And have bar steel plate at base, can play and steadily roll and guide effect.Meanwhile, make the weight of dish circle bin be stand up bin 1/5th weight, greatly reduce the energy consumption in the manufacturing cost of bin and use procedure.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (7)
1. an energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs, comprise body of heater (20), loading bay (1) and discharge pedestal (15), in body of heater (20), loading bay (1) and discharge pedestal (15) are provided with carrying roller (16), it is characterized in that: body of heater (20) is divided into UTILIZATION OF VESIDUAL HEAT IN room (8) to discharge pedestal (15) that one end by loading bay (1) this one end, intermediate heat treatment section (9) and waste heat recovery room (10), waste heat recovery room blower fan (11) is provided with in waste heat recovery room (10), UTILIZATION OF VESIDUAL HEAT IN room blower fan (7) is provided with in UTILIZATION OF VESIDUAL HEAT IN room (8), the blowing mouth of waste heat recovery room blower fan (11) is towards the inner chamber of body of heater, the blowing mouth of waste heat recovery room blower fan (11) is connected by the suction opening of airduct (19) with UTILIZATION OF VESIDUAL HEAT IN room blower fan (7), the suction opening of UTILIZATION OF VESIDUAL HEAT IN room blower fan (7) is towards the inner chamber of body of heater.
2. energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs according to claim 1, it is characterized in that: intermediate heat treatment section (9) is provided with intermediate heat treatment section blowing blower fan (22), UTILIZATION OF VESIDUAL HEAT IN room (8) arranges UTILIZATION OF VESIDUAL HEAT IN room forced draft fans (24), and intermediate heat treatment section blowing blower fan (22) is connected with UTILIZATION OF VESIDUAL HEAT IN room forced draft fans (24) by UTILIZATION OF VESIDUAL HEAT IN pipe (23).
3. energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs according to claim 1, is characterized in that: described airduct (19) forms U-shaped structure by three sections, and one section of by-level is arranged in the thermal insulation layer of body of heater (20).
4. energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs according to claim 1, is characterized in that: adopt the stable vacuum air-changing room (3) for maintaining the controlled atmosphere in stove and final vacuum room (14) respectively in the front and back of body of heater (20).
5. energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs according to claim 1, is characterized in that: described intermediate heat treatment section (9) comprises intensification section, holding-zone, rapid cooling section, isothermal section and slow cooling section.
6. energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs according to claim 1, it is characterized in that: described carrying roller (16) is provided with the bin (2) placing disk, the cross section of bin (2) becomes semicircle, the size of its diameter matches with dish circular diameter, the length of bin (2) and the length of disk match, and form horizontal charging structure.
7. energy-saving full-automatic atmosphere-controllable horizontal type annealing production line for discs according to claim 6, is characterized in that: described bin (2) is fixedly welded to connect by one group of web plate the semicircle bathtub construction forming hollow out.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010575819.2A CN102080149B (en) | 2010-11-26 | 2010-11-26 | Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs |
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| CN201010575819.2A CN102080149B (en) | 2010-11-26 | 2010-11-26 | Energy-saving full-automatic and atmosphere-controllable horizontal type annealing production line for discs |
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| CN102080149A CN102080149A (en) | 2011-06-01 |
| CN102080149B true CN102080149B (en) | 2014-12-24 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104846160B (en) * | 2015-06-04 | 2017-01-25 | 浙江中集铸锻有限公司 | Annealing furnace switching system |
| CN105441660A (en) * | 2016-01-12 | 2016-03-30 | 杭州金舟科技股份有限公司 | Periodic production and stepping heat exchange double-layered U-shaped annealing furnace and control method thereof |
| CN107686881B (en) * | 2017-08-11 | 2019-03-05 | 重庆骏成机械配件有限公司 | Annealing system waste-heat recovery device |
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| US5958330A (en) * | 1995-08-10 | 1999-09-28 | Alfe Systems, Inc. | Double level aging oven |
| CN2740621Y (en) * | 2004-11-08 | 2005-11-16 | 南京年达炉业有限责任公司 | Continuous annealing furnace |
| CN101117263A (en) * | 2006-08-02 | 2008-02-06 | 王怀利 | Thermal cycling energy-saving glass kiln furnace |
| CN101358275A (en) * | 2008-09-03 | 2009-02-04 | 杭州金舟电炉有限公司 | Upper layer heat exchange type continuous annealing furnace |
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| CN201883117U (en) * | 2010-11-26 | 2011-06-29 | 杭州金舟电炉有限公司 | Energy-efficient full-automatic horizontal type disk energy-saving annealing production line with controllable atmosphere |
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2010
- 2010-11-26 CN CN201010575819.2A patent/CN102080149B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5958330A (en) * | 1995-08-10 | 1999-09-28 | Alfe Systems, Inc. | Double level aging oven |
| CN2740621Y (en) * | 2004-11-08 | 2005-11-16 | 南京年达炉业有限责任公司 | Continuous annealing furnace |
| CN101117263A (en) * | 2006-08-02 | 2008-02-06 | 王怀利 | Thermal cycling energy-saving glass kiln furnace |
| CN101358275A (en) * | 2008-09-03 | 2009-02-04 | 杭州金舟电炉有限公司 | Upper layer heat exchange type continuous annealing furnace |
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