CN201809399U - Energy-saving multilayer heat-exchange type continuous annealing furnace - Google Patents
Energy-saving multilayer heat-exchange type continuous annealing furnace Download PDFInfo
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- CN201809399U CN201809399U CN2010205669527U CN201020566952U CN201809399U CN 201809399 U CN201809399 U CN 201809399U CN 2010205669527 U CN2010205669527 U CN 2010205669527U CN 201020566952 U CN201020566952 U CN 201020566952U CN 201809399 U CN201809399 U CN 201809399U
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- 238000000137 annealing Methods 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 239000002356 single layer Substances 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 4
- 238000010583 slow cooling Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
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- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 abstract 2
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- 229910045601 alloy Inorganic materials 0.000 abstract 1
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- 239000002184 metal Substances 0.000 description 6
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- 230000009467 reduction Effects 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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Abstract
The utility model relates to metal material heat treatment processing equipment, in particular to an energy-saving multilayer heat-exchange type continuous annealing furnace, which comprises a furnace body, wherein the two ends of the outside of the furnace are provided with a left vacuum chamber and a right vacuum chamber, the furnace body is internally provided with live roller gears and drive devices, and the furnace body is internally provided with heat pipes and air blowers according to technological requirement in sections, particularly, the furnace body is internally provided with the multiple layers of live roller gears and the drive devices, and the drive directions of two adjacent layers of live roller gears are oppositely arranged; the two ends of the each layer of the live roller gears are additionally provided with a speed regulation section live roller and is independently provided with a speed regulation drive device; the two ends of the furnace body are also provided with a lift mechanism, the lift table of the lift mechanism is provided with a lift live roller to be butted with the speed regulation section live roller, and the lift live roller is provided with a bidirectional drive device; and the utility model solves the problems that the existing monolayer continuous annealing furnace is lower in production efficiency and large in energy consumption, and is widely applied to the heat treatment of bearing steel, alloy tool steel and other steel parts.
Description
The ㈠ technical field: the utility model relates to metallic substance heat treatment process equipment, especially a kind of energy-saving multilayer heat exchange type continuous annealing furnace.
The ㈡ background technology: metal heat treatmet is metal works to be placed on be heated to suitable temperature in certain medium, and in this temperature, keep certain hour, thereby change the metal inside weave construction with a kind of technology of friction-motion speed refrigerative again or change workpiece surface chemical ingredients, give or improve the use properties of workpiece.
Thermal treatment process generally comprises heating, insulation, three processes of cooling, and these processes are connected mutually, can not be interrupted.The heat treated heating means of metal are a lot, can adopt fuel (as coal, fuel oil, gas etc.) or electrically heated, wherein electrically heated has the control of being easy to, and non-environmental-pollution is the main employing means of heating.
Metallic heat treating furnace is to be used for equipment that metal is heat-treated, mainly is divided into flame furnace and electric furnace two classes by heat-supplying mode.Flame furnace also claims Fuel Furnace, is with solid, liquid or the geseous fuel heat output in stove workpiece to be heated, and electric furnace is in stove electric energy to be converted into heat energy workpiece is heated.The fuel source of flame furnace is wide, and price is low, is convenient to suit measures to local conditions to take different structures, helps reducing productive expense.To be that furnace temperature is all even be convenient to realize automatic control to the characteristics of electric furnace, and heating quality is good.
Metallic heat treating furnace can be divided into periodic and continous way two classes again by thermal regulation.The periodic stove claims the discontinuous stove again, stove is interrupted to be produced, furnace temperature changes in each heating period, continuous furnace is the stove continuous production, divide temperature section in the burner hearth, the temperature of each section is constant in heat-processed, and workpiece progressively adds the pyritous heating zone by cryogenic preheating zone.
The periodic stove carries out heating and cooling simultaneously with chassis, process furnace and workpiece, and body of heater accumulation of heat loss is big.The heat that absorbs during METAL HEATING PROCESS and the heat and the ratio that infeeds the heat in the stove that infeed in the stove are called stove heat and imitate ratio.Continous way is imitated high than the heat of discontinuous stove.
Present situation, large batch of annealing process all adopt the continous way annealing way at present, and this mode is big into and out of the calorific loss of stove gate, intercept though install fire door additional, but have the failure rate height, still have a large amount of heats to run off; Finish the workpiece of annealing process procedure, tapping temperature is roughly at 600 ℃～650 ℃, the annealing waste heat is dispersed in the air, fail to obtain to utilize, increased the discharging of heat like this, also caused the energy consumption height, at this phenomenon, relevant devices manufactures and designs enterprise and has proposed improvement, adopts the double layer roller bottom type continuous oven, bilayer is respectively from two endfeeds, increased heat exchange segment before input and output material thermal treatment, the waste heat of about 650 ℃ of dischargings is realized utilizing, the annealing energy consumption reaches and has reduced by 150 degree/tons, obtain good energy-saving effect, but do not reached best effect as yet.
Main existing problems have; under same output; it is thicker that every layered material is stacked thickness; be unfavorable for heat exchanger effectiveness and exchange evenly; only utilized the waste heat of discharging about 650 ℃; the waste heat of wherein fast cold section and other process sections failed to adopt recycle; still can reduce unit consumption of energy; when placing of material thickness was thicker in addition, thermal treatment quality was difficult to guarantee, especially for large-scale bar; original two-deck oven adopts the double-layer vacuum chamber; the space is bigger, has prolonged to vacuumize and fill the shielding gas time, has reduced efficient and has increased calorific loss, increased production cost.
In the prior art, continuous annealing furnace is mainly single-layer type live rollers structure, it includes body of heater, the body of heater two ends are provided with vacuum chamber, the individual layer live rollers is installed in the body of heater, and in body of heater according to processing requirement (the temperature differences of different sections), segmentation is furnished with heating tube (intensification) and blower fan (cooling, slow cooling), this continuous annealing furnace relative cycle formula annealing furnace production efficiency improves, and do not have the body of heater accumulation of heat loss of periodic anealing furnace, but owing to adopt the individual layer drive mechanism, production efficiency is restricted still, and energy consumption is bigger, difficult quality guarantee.
The ㈢ summary of the invention: the purpose of this utility model is exactly to solve the problem that existing continuous annealing furnace energy consumption is big, the efficient that comes into force is low, annealing quality is difficult to guarantee, a kind of energy-saving multilayer heat exchange type continuous annealing furnace is provided.
Concrete scheme of the present utility model is: improve at existing continuous annealing furnace, it has body of heater, the outer two ends of body of heater are provided with left and right sides vacuum chamber, live rollers and drive unit are installed in the body of heater, and segmentation is furnished with heating tube and blower fan according to processing requirement in body of heater, it is characterized in that: multilayer live rollers and drive unit are installed, and the transmission direction of adjacent two layers live rollers is provided with on the contrary in body of heater; At the two ends of the live rollers of each layer, having additional speed governing section live roll and separate configurations has the speed governing drive unit; Two ends also are equipped with hoisting appliance in body of heater, the lifting live roll is installed on the Lifting platform of hoisting appliance docks with speed governing section live roll, and be furnished with bidirectional driving apparatus for the lifting live roll.
The left and right sides vacuum chamber that the two ends of body of heater described in the utility model are provided with is a single layer structure.The individual layer vacuum chamber can dwindle displacement volume, reduces loss, shortening vacuum air-changing cycle, the reduction equipment cost of heat.
Body of heater is interior by the technical process requirement in the utility model, be arranged with the speed governing section, very, heat exchange segment between double-layer, odd-level slow cooling, even level intensification section, odd-level isothermal, even level holding-zone, strange, double-layer rapid chilling section, odd-level insulation, even level isothermal section, odd-level heats up, the even level slow cooling section, strange, double-layer heat exchange segment, speed governing section; Wherein between two strange, double-layers heat exchange segment and strange, that the double-layer rapid chilling section is positioned at body of heater top and bottom separately positioned opposite have blower fan to be furnished with flow deflector; In odd-level slow cooling, even level intensification section, odd-level isothermal, even level holding-zone, odd-level insulation, even level isothermal section, odd-level heats up, even level slow cooling section correspondence whenever should be equipped with an amount of heating tube by each layer live roll.
The utility model compared with prior art has following characteristics:
1. be provided with the multilayer live roll in the same burner hearth, wherein strange layer moves towards opposite being staggered with the traffic direction and the technology of double-layer transmission workpiece in the multilayer live roll, make heat exchange abundant, under identical productivity situation, make the placement thickness attenuation of workpiece, help heat exchange and workpiece is heated evenly, in burner hearth, be provided with left waste heat exchange section, right waste heat exchange section, be used for the workpiece waste heat after the annealing is exchanged cold burden to other layers, in the burner hearth between left waste heat exchange section and right waste heat exchange section, the multilayer roller is in pairs by the reverse arrangement of technology from top to bottom, in burner hearth, be provided with one group of heating member that is used for boosting, make burner hearth be consistent in the vertical direction temperature.
2. the odd-level of described burner hearth is respectively the speed governing section by technical process between left waste heat switch room and right waste heat switch room, very, heat exchange segment between double-layer, the odd-level slow cooling, even level intensification section, the odd-level isothermal, the even level holding-zone, very, the double-layer rapid chilling section, the odd-level insulation, the even level isothermal section, odd-level heats up, the even level slow cooling section, very, the double-layer heat exchange segment, the speed governing section, each section period is clear according to the processing parameter setting order, temperature is set rationally, finishing anneal of material jointly handles.
3. adopt the individual layer vacuum chamber, dwindled displacement volume, reduced heat loss, shorten the vacuum air-changing cycle, reduced equipment cost.
4. adopt reversible roller-way of lifting and the adjustment section of surmounting to realize having simplified feeding-discharging mechanism, having reduced expense, simplified the time of input and output material operation and reduced labour intensity with following the tracks of end to end between layered material.
5. heat exchange segment between, double-layer strange strange, double-layer rapid chilling section and two sections is set up blower fan and flow deflector, quickening and evenly convective exchange and transfer of heat.
6. equal independent control of every interval velocity and adjustable-speed can be adjusted according to anneal effect and technology adjustment of reality, raise the efficiency when satisfying processing requirement and output.
7. can outside the body of heater wall, lay the protective atmosphere ingress pipe, avoid the oxidation in the anneal process.
The utility model multilayer roller-way structure can reduce whole furnace volume, and floor space is little, the production efficiency height, and thermal effectiveness is good, and can make full use of waste heat in the stove, realizes energy-efficient annealing process.
The ㈣ description of drawings:
Accompanying drawing is an overall structure synoptic diagram of the present utility model.
Among the figure: the 1-car of getting the raw materials ready on a left side, 2-workpiece, 3-left side vacuum chamber, the 4-body of heater, 5-flow deflector, 6-blower fan, the 7-radiator tube, 8-the first layer live rollers, 9-second layer live rollers, the 3rd layer of live rollers of 10-, the 4th layer of live rollers of 11-, the right vacuum chamber of 12-, the 13-car of getting the raw materials ready on the right side, the 14-hoisting appliance, 15-lifting gantry, 16-lifting live roll.
The ㈤ embodiment:
Referring to accompanying drawing, the utlity model has body of heater 4, body of heater 4 two ends are provided with the left and right sides vacuum chamber 3 of single layer structure, the dolly 1 and 13 of getting the raw materials ready about 12(is furnished with two vacuum chamber outer ends), four layers of (the concrete number of plies can design according to technology and customer requirements) live rollers (8 are installed in the body of heater 4,9,10,11) and drive unit (comprise motor, speed reduction unit and chain drive, not expression among the figure), body of heater 4 is interior by the technical process requirement, set up separately odd, heat exchange segment between double-layer, the odd-level slow cooling, even level intensification section, the odd-level isothermal, the even level holding-zone, very, the double-layer rapid chilling section, the odd-level insulation, the even level isothermal section, odd-level heats up, the even level slow cooling section, strange, the double-layer heat exchange segment; Wherein between two strange, double-layers heat exchange segment and strange, that the double-layer rapid chilling section is positioned at body of heater 4 top and bottom separately positioned opposite have blower fan 6 to be furnished with totally three groups of flow deflector 5(vertical direction wind-guidings); In odd-level slow cooling, even level intensification section, odd-level isothermal, even level holding-zone, odd-level insulation, even level isothermal section, odd-level heats up, even level slow cooling section correspondence whenever should be equipped with an amount of radiator tube 7 by each layer live roll, sets according to technology heating and heat preservation temperature and radiator tube power.
The transmission direction of adjacent two layers live rollers is provided with on the contrary in the utility model; And at the two ends of the live rollers of each layer, having additional speed governing section live roll (preceding four live rolls at two ends, the left and right sides in every layer of roller-way) and separate configurations has speed governing drive unit (can adopt buncher); Two ends also are equipped with and adopt the screw lift structure in the hoisting appliance 14(present embodiment and join the vertically-guided post in body of heater 4), lifting live roll 16 is installed on the Lifting platform 15 of hoisting appliance 14 to be docked with speed governing section live roll, and be furnished with bidirectional driving apparatus for lifting live roll 16, comprise motor, speed reduction unit and chain drive and join frequency transformer realization bi-directional drive.Promptly constitute the utility model.
Claims (3)
1. energy-saving multilayer heat exchange type continuous annealing furnace, has body of heater, the outer two ends of body of heater are provided with left and right sides vacuum chamber, live rollers and drive unit are installed in the body of heater, and segmentation is furnished with heating tube and blower fan according to processing requirement in body of heater, it is characterized in that: multilayer live rollers and drive unit are installed, and the transmission direction of adjacent two layers live rollers is provided with on the contrary in body of heater; At the two ends of the live rollers of each layer, having additional speed governing section live roll and separate configurations has the speed governing drive unit; Two ends also are equipped with hoisting appliance in body of heater, the lifting live roll is installed on the Lifting platform of hoisting appliance docks with speed governing section live roll, and be furnished with bidirectional driving apparatus for the lifting live roll.
2. a kind of energy-saving multilayer heat exchange type continuous annealing furnace according to claim 1 is characterized in that: the left and right sides vacuum chamber that described body of heater two ends are provided with is a single layer structure.
3. a kind of energy-saving multilayer heat exchange type continuous annealing furnace according to claim 1, it is characterized in that: body of heater is interior by the technical process requirement, be arranged with the speed governing section, heat exchange segment between strange, double-layer, odd-level slow cooling, the even level section that heats up, odd-level isothermal, even level holding-zone, very, the double-layer rapid chilling section, odd-level insulation, even level isothermal section, odd-level heats up, the even level slow cooling section, very, the double-layer heat exchange segment, the speed governing section; Wherein between two strange, double-layers heat exchange segment and strange, that the double-layer rapid chilling section is positioned at body of heater top and bottom separately positioned opposite have blower fan to be furnished with flow deflector; In odd-level slow cooling, even level intensification section, odd-level isothermal, even level holding-zone, odd-level insulation, even level isothermal section, odd-level heats up, even level slow cooling section correspondence whenever should be equipped with an amount of heating tube by each layer live roll.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205669527U CN201809399U (en) | 2010-10-19 | 2010-10-19 | Energy-saving multilayer heat-exchange type continuous annealing furnace |
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| CN2010205669527U CN201809399U (en) | 2010-10-19 | 2010-10-19 | Energy-saving multilayer heat-exchange type continuous annealing furnace |
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| CN201809399U true CN201809399U (en) | 2011-04-27 |
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| CN2010205669527U Expired - Lifetime CN201809399U (en) | 2010-10-19 | 2010-10-19 | Energy-saving multilayer heat-exchange type continuous annealing furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627875A (en) * | 2013-12-16 | 2014-03-12 | 苏州中门子科技有限公司 | Multilayer stepping type thermal treatment furnace |
| CN107940988A (en) * | 2017-12-28 | 2018-04-20 | 洛阳北玻硅巢装备技术有限公司 | A kind of foamed ceramic is fired and uses instant cold section roller kilns |
| CN108716857A (en) * | 2018-07-26 | 2018-10-30 | 青岛海源实业有限公司 | A kind of layering burner hearth Liftable type multilayer resistance-heated furnace |
| CN110044174A (en) * | 2019-05-16 | 2019-07-23 | 苏州工业职业技术学院 | A kind of roller stick furnace for aluminum alloy plate materials |
| CN110132003A (en) * | 2019-05-16 | 2019-08-16 | 陈天龙 | Independent heat preservation two-way multi-layer roller hearth furnace |
| CN111218552A (en) * | 2020-03-03 | 2020-06-02 | 天龙科技炉业(无锡)有限公司 | Production system of roller furnace |
-
2010
- 2010-10-19 CN CN2010205669527U patent/CN201809399U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627875A (en) * | 2013-12-16 | 2014-03-12 | 苏州中门子科技有限公司 | Multilayer stepping type thermal treatment furnace |
| CN103627875B (en) * | 2013-12-16 | 2015-12-23 | 苏州中门子科技有限公司 | Multilayer stepped start-stop system heat treatment furnace |
| CN107940988A (en) * | 2017-12-28 | 2018-04-20 | 洛阳北玻硅巢装备技术有限公司 | A kind of foamed ceramic is fired and uses instant cold section roller kilns |
| CN108716857A (en) * | 2018-07-26 | 2018-10-30 | 青岛海源实业有限公司 | A kind of layering burner hearth Liftable type multilayer resistance-heated furnace |
| CN108716857B (en) * | 2018-07-26 | 2024-04-19 | 青岛海源碳烯铝合金新材料科技有限公司 | Layered hearth lifting type multilayer resistance heating furnace |
| CN110044174A (en) * | 2019-05-16 | 2019-07-23 | 苏州工业职业技术学院 | A kind of roller stick furnace for aluminum alloy plate materials |
| CN110132003A (en) * | 2019-05-16 | 2019-08-16 | 陈天龙 | Independent heat preservation two-way multi-layer roller hearth furnace |
| CN111218552A (en) * | 2020-03-03 | 2020-06-02 | 天龙科技炉业(无锡)有限公司 | Production system of roller furnace |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110427 |
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| CX01 | Expiry of patent term |