CN100432274C - Aluminium alloy solutionizing, aging gas-heating processing furnace - Google Patents
Aluminium alloy solutionizing, aging gas-heating processing furnace Download PDFInfo
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- CN100432274C CN100432274C CNB2005100574153A CN200510057415A CN100432274C CN 100432274 C CN100432274 C CN 100432274C CN B2005100574153 A CNB2005100574153 A CN B2005100574153A CN 200510057415 A CN200510057415 A CN 200510057415A CN 100432274 C CN100432274 C CN 100432274C
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Abstract
The present invention discloses an aluminum alloy solid smelting and ageing fuel gas heating processing furnace. The present invention comprises a furnace body part, a combustion device, a hydraulic system, a quenching tank and an electric control system, wherein the furnace body part is composed of a solid solution furnace and an aging furnace; the combustion device provides high-temperature hot gas; the electric control system controls the temperature and the action of a whole device; the solid solution furnace and the aging furnace are respectively composed of a furnace door and a main body of a furnace body; the combustion device is connected with a hot air flow mixing chamber of the solid solution furnace through a hot air flow mixing chamber; an external hot air duct is arranged on a smoke vent of the solid solution furnace and connected with a hot air generating chamber of the aging furnace. The processing furnace of the present invention has high productive efficiency; fuel gas is used as a heating source, the residual heat of the solid solution furnace is transferred into the aging furnace as the heating source, and the thermal efficiency is high; the present invention can continuously carry out thermal insulation and quenching at high temperature and ageing treatment at low temperature to make the organization of workpieces compact, and the workpieces with good performance can be obtained.
Description
Technical field
The present invention relates to a kind of aluminum alloy part heat treatment furnace, especially synchronously Al alloy parts is carried out solid solution, ageing treatment, adopt the heat treatment furnace of combustion gas heating.
Background technology
Al alloy parts has lot of superiority with respect to parts such as cast iron, cast steels, and Al alloy parts is at industrial circle, and especially field such as automobile, motorcycle is extensively utilized.In aluminum products, especially serve as maximum with the casting aluminum products, be about to aluminium and at high temperature fuse into aluminium liquid, cast or pressure injection obtain product through the cooling after coagulation in the moulding die cavity again, aluminum products with the forging type acquisition, it is inner to exist bigger stress, organizes more loosely, reaches at aspects such as intensity, densityes and not to require, various thermal treatments need be carried out in the former capital, as normalizing, quenching, tempering, ageing treatment etc.
Aluminum products heat treatment furnace of the prior art, is ZL200320104403 as the applicant in the patent No., name is called disclosed heat treatment furnace in the utility model patent of " aluminium alloy air circulating oven ", be that the aluminum products workpiece is incubated for some time in heat treatment furnace, drop in the hardening liquid fast then and quench, at last in air through natural aging treatment.The deficiency of this kind stove mainly contains: 1, processing power is less, can not adapt to requirements of large-scale production; 2, after insulation and quenching process, the aluminum products workpiece can only carry out ageing treatment with a special-purpose stove in addition, periodic production simultaneously, and productive temp can not be synchronous; 3, its heating mode generally all is electrically heated, and thermo-efficiency is not high.
Summary of the invention
The present invention is directed to the heat treated above-mentioned deficiency of aluminum products in the prior art, providing a kind of is heating source with the inflammable gas, carry out insulation under comparatively high temps continuously, quench, at a lower temperature aluminium alloy solid solution, the timeliness combustion gas heat treated stove of ageing treatment (low temperature insulation down relatively)
Technical scheme of the present invention: aluminium alloy solid solution, timeliness combustion gas heat treated stove, comprise the oven body part of forming by solid solution stove and aging oven, the combustion unit of high temperature hot gas is provided, make workpiece produce the hydraulic efficiency system of displacement, quenching tank, and control the temperature of whole device and the electric control system of action; Hydraulic efficiency system comprises solid solution stove charging cylinder, aging oven discharging cylinder, solid solution furnace discharge cylinder, aging oven charging cylinder, fire door cylinder, hydraulic hoisting machine; It is characterized in that:
A, described solid solution stove and aging oven all are made up of fire door and body of heater body, described combustion unit is connected with the hot blast mixed flow chamber of solid solution stove through the hot blast smoke pipe, be provided with on the smoke outlet of solid solution stove and efflux heating duct, efflux heating duct and be connected with the hot blast generation chamber of aging oven;
The burner hearth bottom of B, described solid solution stove and aging oven is provided with the walking track, and material containing Che Nengyu walking track matches;
C, the indoor recirculation blower that is provided with of described hot blast mixed flow are provided with the side flow deflector in the solid solution stove burner hearth, are provided with hot-air channel in the side flow deflector, and hot-air channel is connected with hot blast mixed flow chamber, and hot-air channel is provided with air outlet; Be provided with recirculation blower in the hot blast generation chamber, the hot gas runner is connected with the hot blast generation chamber, and the hot gas runner is provided with heat outlet;
D, portable flatcar are located in the hydraulic hoisting machine, and be reciprocating between the feed end of the discharge end of solid solution stove and aging oven;
Aluminium alloy solid solution of the present invention, timeliness combustion gas heat treated stove, its advantage is: 1, processing power is big, the production efficiency height, the aluminium wheel workpiece average preformance that can handle diameter 500mm, thickness 110mm 360-540 spare/hour; 2, the employing combustion gas that calorific value is higher, environmental pollution is few is as heating source; 3, the waste heat of having done heat exchange in the solid solution stove is transported in the aging oven, as the heating thermal source of aging oven, has made full use of heat energy again, thermo-efficiency is very high; 4, the thermal treatment of solid solution and timeliness can sequentially be carried out continuously, obtains the product of best in quality; Insulation (about 600 ℃) under comparatively high temps, quench afterwards, insulation (about 200 ℃) for some time is eliminated the dense structure of aluminum products workpiece, internal stress, the aluminum products workpiece that obtained performance is good to carry out ageing treatment to greatest extent at a lower temperature afterwards.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is that the present invention handles the stove general arrangement.
Fig. 2 be Fig. 1 along A-A to sectional view.
Fig. 3 be Fig. 1 along B-B to sectional view.
Embodiment
In Fig. 1,2,1-solid solution stove, 2-aging oven, 3-combustion unit, 4-hydraulic efficiency system, 5-quenching tank, 6-solid solution stove charging cylinder, 7-aging oven discharging cylinder, 8-solid solution furnace discharge cylinder, 9-aging oven charging cylinder, 10-fire door cylinder, 11-hydraulic hoisting machine, the portable flatcar of 12-, 13-hot blast smoke pipe, 14-hot blast mixed flow chamber, 15-efflux heating duct, 16-smoke outlet, 17-hot blast generation chamber.
Thermal treatment unit of the present invention, comprise the oven body part of forming by solid solution stove 1 and aging oven 2, the combustion unit 3 of high temperature hot gas is provided, make workpiece produce the hydraulic efficiency system 4 of displacement (, to first-class) forward, downwards, the quenching tank 5 that is used for quenching process, hydraulic efficiency system 4 mainly comprises solid solution stove charging cylinder 6, aging oven discharging cylinder 7, solid solution furnace discharge cylinder 8, aging oven charging cylinder 9, fire door cylinder 10, hydraulic hoisting machine 11 etc., and controls the temperature of whole device and the electric control system of action.Combustion unit 3 is connected with the hot blast mixed flow chamber 14 of solid solution furnace roof portion through hot blast smoke pipe 13, and the hot gas of its generation is transported in the hot blast mixed flow chamber 14.Be provided with on the smoke outlet 16 of solid solution stove 1 and efflux heating duct 15, effluxing heating duct 15 is connected with the hot blast generation chamber 17 of aging oven 2, promptly effluxing heating duct 15 couples together the smoke outlet 16 of solid solution stove 1 and the hot blast generation chamber 17 of aging oven 2, the waste heat conveying of solid solution stove 1 is discharged in the aging oven 2, as the heating thermal source of aging oven.
Solid solution stove charging cylinder 6 is arranged on the feed end of solid solution stove 1, aging oven discharging cylinder 7 is arranged on the discharge end of aging oven 2, solid solution furnace discharge cylinder 8 and hydraulic hoisting machine 11 all are arranged on the discharge port of solid solution stove 1, aging oven charging cylinder 9 is arranged on the feed end of aging oven, fire door cylinder 10 is four, be separately positioned on the fire door place at the two ends of solid solution stove 1 and aging oven 2, a fire door cylinder 10 is controlled a fire door of solid solution stoves 1 or aging oven 2.Portable flatcar 12 is located in the hydraulic hoisting machine 11, by step-down gear transmission system drives (electric control system control of the present invention), reciprocating between the feed end of the discharge end of solid solution stove 1 and aging oven 2, will the workpiece after quench treatment send into the feed end of aging oven 2 together with the material containing car.
Simultaneously, according to technology enlightenment of the present invention, those skilled in the art can adopt baric systerm to be equal to fully and replace hydraulic efficiency system 4 of the present invention, reaches technical purpose of the present invention.
Quenching tank 5 of the present invention, main effect is that the aluminum products workpiece is cooled off fast, can select matured product of the prior art for use, as prior art, no longer describes in detail.
Electric control system of the present invention has been taked decentralised control, centralization, and as required, The whole control system can be divided into workshop field control and Shop Floor Management and Control two portions, connects with communication network between two portions.Field control is divided into temperature control and action control two big units, temperature control unit adopts the import intelligence instrument, combustion unit is carried out PID to be regulated automatically continuously, the current signal that becomes 0-20mA through the PID integrating is input to the variable frequency adjustment device, the blast and the air quantity of frequency conversion real time altering burner blower.The mechanical action control unit comprises to be controlled the start and stop of the start and stop of burner blower in the walking of the start and stop of start and stop, solid solution stove and the aging oven recirculation blower of the used oil pump of each oil cylinder of hydraulic efficiency system 4, portable flatcar 12, the combustion unit 3, the stirring of quenching tank 5 internal recycle water pumps and various mechanical actions etc.Adopted industrial programmable logic controller (PLC) in the mechanical action control, solid solution stove and aging oven can respectively adopt a cover PLC, and it goes back the signals collecting and the Presentation Function of execution fault except the control auto-action.Those skilled in the art can set operation program according to concrete process parameter value on PLC, to realize above-mentioned various mechanical action, to realize mechanical action control of the present invention, reach goal of the invention of the present invention.
On the motion control system, the high-performance " man-machine interface " of an import is set, goes up the establishment motion picture in " man-machine interface ", the display action situation is regulated the beat that moves, and shows the information of fault etc.
For the purpose of the remote control management, increase by a cover upper computer.Master system is made up of industrial computer, printer, UPS24 hour online backup power source, temperature collect module, communication transition card, C-NET communications adapter and shielding communication wire road.Adopt the professional industrial control software of 6.0 " KingViews " of master system and Beijing inferior control technology ﹠ development Co., realize the omnidistance animation display of production line, total temperature demonstration etc.
The major equipment of electric control system of the present invention, the main related products that adopts following manufacturer, as grind the industrial computer of auspicious industry control group, the PLC industry programmable logic controller of MAT, the hole temperature instrument of FJD, low-voltage apparatus partly adopts the product of Dexia Group, German Schneider company, Japanese Omron Corp, disclosure content and goal of the invention of the present invention according to this specification sheets, those skilled in the art can realize, be not described in detail in this.
As shown in Figure 1, 2, steel plate, 30-body of heater body in 20-top flow deflector, 21-side flow deflector, 22-recirculation blower, 23-hot-air channel, 24-air outlet, 25-material containing car, 26-walking track, the outer steel plate of 27-body of heater, 28-inner lining of furnace, the 29-body of heater.
Solid solution stove 1 of the present invention is rectangular structure, all there is the fire door by fire door cylinder 10 controls of hydraulic efficiency system 4 both sides, the side, upper and lower, left and right all is a body of heater body 30, body of heater body 30 is made up of steel plate 29 in the outer steel plate 27 of body of heater, inner lining of furnace 28, the body of heater, inner lining of furnace 28 is outside body of heater in steel plate 27 and the body of heater between the steel plate 29, the material of inner lining of furnace 28 is mainly high-quality pure aluminium silicate fire-retardent fiber felt-rug and rock cotton board, has heat-insulating property preferably; Be burner hearth in the solid solution stove 1, burner hearth bottom firmly is provided with walking track 26, and material containing car 25 is arranged on the walking track 26, can match with it, moves in burner hearth under the pushing effect of solid solution stove charging cylinder 6; Below the material containing car 25 wheel is arranged, can match with walking track 26, be provided with the room of placing the aluminum products workpiece above the material containing car 25, the aluminum products workpiece moves on walking track 26 in company with material containing car 25; The end face of solid solution stove 1 is provided with hot blast mixed flow chamber 14, and hot blast mixed flow chamber 14 is connected with combustion unit 3 through hot blast smoke pipe 13, and in order to reduce calorific loss, hot blast smoke pipe 13 and hot blast mixed flow chamber 14 all are arranged in the solid solution stove 1; Hot blast mixed flow chamber 14 is formed by steel plate 29 in top flow deflector 20 and the body of heater, it is the cavity of a relative closure, be provided with recirculation blower 22 in it, recirculation blower 22 is controlled by electric control system, solid solution stove 1 burner hearth two sides all are provided with side flow deflector 21, be provided with hot-air channel 23 in the side flow deflector 21, top flow deflector 20 and 21 activities of side flow deflector are connected as one, every block of plate all is to press plate with dismountable lock of wearing, mode with crimping is fixed, reducing the distortion of high temperature chin spoiler, for convenience detach, maintenance etc.; Hot-air channel 23 is connected with hot blast mixed flow chamber 14, and as the flow passage of warm air, hot-air channel 23 is provided with air outlet 24, and warm air flows into burner hearth from air outlet 24, and workpiece is heated, and gets back to furnace roof from central air suction inlet again, goes round and begins again.Air outlet 24 as shown in the figure is positioned at burner hearth bottom, and warm air makes progress from burner hearth bottom, carries out heat exchange, heated parts with workpiece.
The hot blast mixed flow chamber 14 at solid solution stove 1 top can be for a plurality of, and concrete quantity determines that by its length and technology each hot blast mixed flow chamber 14 all is independently, and is isolated with other hot blast mixed flow chamber; Each hot blast mixed flow chamber 14 just corresponding combustion unit.
As shown in Figure 3,31-hot gas runner, 32-heat outlet.
The profile of aging oven 2 of the present invention and solid solution stove 1 are basic identical, burner hearth contains truck type of transmission, fire door lifting and compresses mode etc. basic identical with solid solution stove 1, aging oven charging cylinder, aging oven discharging cylinder etc. are similar to the charging cylinder of solid solution stove with the discharging cylinder, and its structure also is identical with function.Because the working temperature of aging oven 2 is lower, the thickness of inner lining of furnace is different with the solid solution stove with type of heating, and the thickness of inner lining of furnace will approach a bit.Outside body of heater in steel plate and the body of heater between the steel plate, material is mainly high-quality pure aluminium silicate fire-retardent fiber felt-rug and rock cotton board to inner lining of furnace equally.
The top of aging oven 2 is provided with hot blast generation chamber 17, is provided with recirculation blower in the hot blast generation chamber 17, and the effect and the control mode of the recirculation blower 22 in this recirculation blower and the solid solution stove 1 are identical.The smoke outlet 16 of hot blast generation chamber 17 through effluxing heating duct 15 and solid solution stove 1 links together, with the waste heat of the solid solution stove 1 heating thermal source as aging oven.The sidewall of aging oven 2 is provided with hot gas runner 31, hot gas runner 31 is provided with a plurality of heat outlets 32, heat outlet 32 as shown in the figure is three, two are positioned on the face of the burner hearth left and right sides, a below that is positioned at the burner hearth bottom track, workpiece is formed three heating, and hot gas runner 31 is connected with hot blast generation chamber 17.The extended distance of heat outlet 32 is adjustable, the middle flashboard and the airduct of heat outlet 32 flexibly connect, by flashboard opening degree in the middle of adjusting, opening degree with regard to adjustable heat gas outlet 32, but thereby the size of manual setting air output, realize that more equably hot blast distributes, the needs of satisfied temperature control.
Aging oven 2 can only be divided into two independently heating zone, hot blast generation chamber 17 and efflux heating duct 15 and all be two, each one of front and back end; Correspondingly, the smoke outlet 16 of solid solution stove 1 is two, each one of front and back end.Simultaneously, consider, when not reaching the needed temperature of aging oven 2, just need other gas furnace in hot blast generation chamber 17, supply hot gas if the temperature of the waste hot air of solid solution stove 1 is lower; That is, be provided with a gas furnace unit in addition, its hot gas discharge line is connected with hot blast generation chamber 17, starts this gas furnace when needed, makes it to hot blast generation chamber 17 supplying high temperature hot gas.This gas furnace is the same with gas furnace unit in the previous combustion device 3, can get final product to hot blast generation chamber 17 supplying high temperature hot gas after the startup, is not described in detail in this.
The present invention handles the working process of stove:
1, after finishing every safety inspection, confirming that the processing stove is in a safe condition, the aluminum products workpiece is contained on the material containing car 25, starts solid solution stove charging cylinder 6, push the aluminum products workpiece in the burner hearth of solid solution stove 1 together with material containing car 25; Start combustion unit 3, high temperature hot gas enters in the solid solution stove 1, and the aluminum products workpiece is heated, is incubated (insulation under the condition of high temperature);
2, after the soaking time under the condition of high temperature finishes, start fire door cylinder 10, open solid solution stove 1 discharge end fire door, solid solution furnace discharge cylinder 8 enters in the solid solution stove 1, get the material gib head and hook material containing car 25, material containing car 25 is followed away track 26 together with the aluminum products workpiece move to rapidly on the portable flatcar 12, hydraulic hoisting machine 11 drives portable flatcar 12, material containing car 25 and aluminum products workpiece and enters rapidly in the hardening liquid of quenching tank 5;
3, after the quenching, hydraulic hoisting machine 11 rises at a slow speed, and portable flatcar 12 moves to the feed end of aging oven 2; Start fire door cylinder 10, open aging oven 2 feed end fire doors, aging oven charging cylinder 9 pushes material containing car 25 and aluminum products workpiece in the burner hearth of aging oven 2, carries out ageing treatment (low-temperature condition is heating and insulation down);
4, after heating and soaking time finish under low-temperature condition, start fire door cylinder 10, open aging oven 2 discharge end fire doors, aging oven discharging cylinder 7 enters in the aging oven 2, get the material gib head and hook material containing car 25, material containing car 25 is shifted out aging oven 2 together with the aluminum products workpiece, finish a complete treating processes.
Claims (6)
1, aluminium alloy solid solution, timeliness combustion gas heat treated stove, comprise the oven body part of forming by solid solution stove (1) and aging oven (2), the combustion unit (3) of high temperature hot gas is provided, make workpiece produce the hydraulic efficiency system (4) of displacement, make the quick refrigerative quenching tank of workpiece (5), and control the temperature of whole device and the electric control system of action; Hydraulic efficiency system (4) comprises solid solution stove charging cylinder (6), aging oven discharging cylinder (7), solid solution furnace discharge cylinder (8), aging oven charging cylinder (9), fire door cylinder (10), hydraulic hoisting machine (11); It is characterized in that:
A, described solid solution stove (1) and aging oven (2) all are made up of fire door and body of heater body (30), described combustion unit (3) is connected with the hot blast mixed flow chamber (14) of solid solution stove through hot blast smoke pipe (13), the smoke outlet (16) of solid solution stove (1) is gone up to be provided with and is effluxed heating duct (15), effluxes heating duct (15) and is connected with the hot blast generation chamber (17) of aging oven (2);
The burner hearth bottom of B, described solid solution stove (1) and aging oven (2) is provided with walking track (26), and material containing car (25) can match with walking track (26);
Be provided with recirculation blower (22) in C, the described hot blast mixed flow chamber (14), be provided with side flow deflector (21) in solid solution stove (1) burner hearth, be provided with hot-air channel (23) in the side flow deflector (21), hot-air channel (23) is connected with hot blast mixed flow chamber (14), and hot-air channel (23) is provided with air outlet (24); The hot blast generation chamber is provided with recirculation blower in (17), and hot gas runner (31) is connected with hot blast generation chamber (17), and hot gas runner (31) is provided with heat outlet (32);
D, portable flatcar (12) are located in the hydraulic hoisting machine (11), and be reciprocating between the feed end of the discharge end of solid solution stove (1) and aging oven (2);
2, aluminium alloy solid solution according to claim 1, timeliness combustion gas heat treated stove, it is characterized in that: the body of heater body (30) of described solid solution stove (1) and aging oven (2), form by steel plate (29) in the outer steel plate (27) of body of heater, inner lining of furnace (28), the body of heater, inner lining of furnace (28) is positioned between outer steel plate (27) of body of heater and the body of heater steel plate (29), and the material of inner lining of furnace (28) is aluminosilicate refractory fiber felt and rock cotton board.
3, aluminium alloy solid solution according to claim 1 and 2, timeliness combustion gas heat treated stove, it is characterized in that: described hot blast mixed flow chamber (14) is formed by steel plate (29) in top flow deflector (20) and the body of heater, and top flow deflector (20) and side flow deflector (21) activity are connected as one.
4, aluminium alloy solid solution according to claim 3, timeliness combustion gas heat treated stove is characterized in that: described hot-air channel (23) is arranged on solid solution stove (1) burner hearth two sides, and air outlet (24) is positioned at burner hearth bottom.
5, aluminium alloy solid solution according to claim 1 and 2, timeliness combustion gas heat treated stove, it is characterized in that: described hot gas runner (31) is arranged on the sidewall of aging oven (2), hot gas runner (31) is provided with three heat outlets (32), two are positioned on the face of the burner hearth left and right sides below that is positioned at the burner hearth bottom track.
6, aluminium alloy solid solution according to claim 4, timeliness combustion gas heat treated stove, it is characterized in that: described hot blast smoke pipe (13) is arranged in the solid solution stove (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100574153A CN100432274C (en) | 2005-12-01 | 2005-12-01 | Aluminium alloy solutionizing, aging gas-heating processing furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100574153A CN100432274C (en) | 2005-12-01 | 2005-12-01 | Aluminium alloy solutionizing, aging gas-heating processing furnace |
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| CN1775990A CN1775990A (en) | 2006-05-24 |
| CN100432274C true CN100432274C (en) | 2008-11-12 |
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| CN101225462B (en) * | 2007-01-19 | 2010-08-11 | 蒋斐祥 | Automobile wheel hub continuous heat-treating furnace |
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| CN107841695B (en) * | 2017-12-14 | 2022-07-19 | 苏州中门子工业炉科技有限公司 | Novel continuous heat treatment production line for aluminum alloy castings for automobiles |
| CN108642412A (en) * | 2018-08-01 | 2018-10-12 | 洛阳新思路电气股份有限公司 | Aluminum alloy heat processing system |
| CN108796196A (en) * | 2018-08-17 | 2018-11-13 | 海安金锻工业有限公司 | A kind of solid smelting furnace of laser heating |
| CN113981198B (en) * | 2021-09-30 | 2023-05-12 | 浙江明泰控股发展股份有限公司 | Continuous heat treatment furnace for solving intergranular corrosion of aluminum alloy fastener |
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