CN107955865A - The car-type heat treatment equipment and its processing method of U-shaped flame heating in reciprocating mode - Google Patents
The car-type heat treatment equipment and its processing method of U-shaped flame heating in reciprocating mode Download PDFInfo
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- CN107955865A CN107955865A CN201711469368.2A CN201711469368A CN107955865A CN 107955865 A CN107955865 A CN 107955865A CN 201711469368 A CN201711469368 A CN 201711469368A CN 107955865 A CN107955865 A CN 107955865A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 128
- 238000003672 processing method Methods 0.000 title abstract description 5
- 238000000034 method Methods 0.000 claims abstract description 51
- 230000008569 process Effects 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000005516 engineering process Methods 0.000 claims abstract description 12
- 230000037361 pathway Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000000779 smoke Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003475 lamination Methods 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 150000002910 rare earth metals Chemical class 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000005457 optimization Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000002485 combustion reaction Methods 0.000 abstract description 9
- 230000002146 bilateral effect Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 4
- 238000013459 approach Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000000137 annealing Methods 0.000 description 5
- 238000005496 tempering Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/52—Methods of heating with flames
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatment Of Articles (AREA)
- Furnace Details (AREA)
Abstract
The present invention relates to the heat treatment furnace equipment and heat-treatment technology method of the products such as ultra-thick plate, composite plate, more particularly to the car-type heat treatment equipment and its processing method of a kind of U-shaped flame heating in reciprocating mode.Polylith parallels forms a line, and multiple row parallels, which is parallel to each other, to be placed on stove car, and burner is staggeredly fixed on the both sides furnace wall of furnace body, and converter nose is located in the gap of multiple row parallels；Burner and the U-shaped energy flow pathway of the workpiece composition energy streaming carried on parallels and parallels.The present invention reforms the opposite arrangement of side wall burner of traditional bogie furnace and the operating duty of heat supply at the same time, can be with the one side heat supply of " u "-shaped flame, the unilateral alternately commutation heat supply of " u "-shaped flame, the reciprocal flexible conversion heat supply of bilateral " u "-shaped flame, can periodically be commutated heat supply, can be with interval combustion heat supply, flexible approach thinning, pulse, the temperature schedule of heating in reciprocating mode.Not only meet the requirement of different process temperature schedule, but also meet energy-saving and emission-reduction, the strategy of sustainable development of clean manufacturing.
Description
Technical field
The present invention relates to the heat treatment furnace equipment and heat-treatment technology method of the products such as ultra-thick plate, composite plate, especially relate to
And the car-type heat treatment equipment and its processing method of a kind of U-shaped flame heating in reciprocating mode.
Background technology
At present, domestic ultra-thick plate and composite plate heat treatment technics fall behind relatively, basic continuous using the roller-bottom type of import
Annealing furnace is heat-treated, although import equipment is seen excellent with treatment process performance, is only applicable to the heat treatment of thin plate, and invest
Expensive, maintenance, repair and operation cost are high；And for the heat treatment for ultra-thick plate and composite plate, using this roller-bottom type
Continuous annealing furnace can not be completed.
In order to meet the requirement of the performance of ultra-thick plate and composite plate etc., domestic metallurgy industry is just attempted to use car-type
Stove realizes heating or heat treatment process to ultra-thick plate and composite board product.But application practice shows, the country is existing to be used for super thick
The equipment performance of the trolley type heating furnace and heat-treatment furnace of plate and composite plate is all very poor.For example add for the car-type of composite plate
Often there is the composite plate after heating since temperature inequality causes to crack during rolling in hot stove；Car-type for ultra-thick plate
Steel plate heat treatment temperature difference severe overweight of heat-treatment furnace etc..
The plates such as ultra-thick plate, composite plate by performance need often to carry out normalizing, normalizing, annealing, high tempering,
The a variety of heat treatment process of average tempering, lonneal etc., and be frequently accompanied by compound product treatment technique, i.e.,
The outstanding performance of product, or even same can just be possessed by being carried out continuously different process in a process cycle domestic demand
The temperature schedule low temperature of heat treatment of the heat-treatment furnace within the defined production cycle may start from 270 DEG C, and high temperature will up to 1090
DEG C, this just proposes the requirement of higher to heat treatment furnace equipment.At present, even if the roller-hearth continuous annealing furnace of import all cannot
The application function of above-mentioned several different disposal technique unifications is included, traditional car-type heat treating furnace is more difficult to meet multi-functional
Heat treatment process demand.
Currently, the performance of traditional car-type heat treating furnace is primarily present following deficiency：
1) furnace temperature is uneven, and processed part temperature difference is big, seriously affects the performance of heat treated article.
2) in stove cannot effective tissue temperature flow field conduction and transmission, it is impossible to fully realize effectively changing between flow,
Therefore accurately heat treatment process and highly energy-consuming, low yield be can not achieve.
3) traditional parallels amount of stored heat is big, and poor thermal conductivity, short life, is unfavorable for flame propagation, causes heat treated article
The black print of temperature influences serious.
4) stove function is single, and the various temperature schedules of heat treatment process are unable to multi-use, can not meet multi-functional, more
The heat treatment process requirement of the ultra-thick plate of kind, composite plate etc..
5) combustion system hardware capability lacks, software control rigidity of thinking, aging, without accurately Detection ＆ Controling means,
Regular underburnt and temperature deviation is big, burning and burn workpiece and parallels, not only energy waste is serious, and bring waste product,
The industrial pollution of waste residue.
The content of the invention
In order to make up for the deficiencies of the prior art, the present invention provides a kind of car-type heat treatment equipment of U-shaped flame heating in reciprocating mode
And its processing method.Realize multi-use, energy-saving and emission-reduction, improve heat treated article temperature uniformity, meet the multi-functional life of a stove
Production. art demand.
In order to achieve the above object, the present invention is realized using following technical scheme：
The car-type heat treatment equipment of U-shaped flame heating in reciprocating mode, including furnace body, stove car, parallels, burner, sealing system, air feed
System, smoke evacuation system etc., polylith parallels form a line, and multiple row parallels, which is parallel to each other, to be placed on stove car, and burner is fixed on furnace body
In passage on the furnace wall of both sides and between multiple row parallels；Burner can be flowed with the workpiece composition carried on parallels and parallels
The U-shaped energy flow pathway of transmission.
The parallels is monoblock cast structure, including upper cover plate, web, bottom plate and water conservancy diversion gusset；Upper cover plate and bottom plate phase
Mutually parallel, web is between upper cover plate and bottom plate and perpendicular to upper cover plate and bottom plate；Water conservancy diversion gusset is equipped with arc groove, arc
Groove it is streamlined corresponding to flame contours, water conservancy diversion gusset is located at web both sides, and inclines so that 10~60 ° of inclination angle is streamlined
Tiltedly；Upper cover plate is equipped with multiple perforates with web.
The upper cover plate and bottom plate are slab construction, and upper cover plate is identical with floor length, and upper cover plate width is less than and bottom plate
Width.
The parallels is integrally cast by heat safe high-chromium-nickel alloy and rare earth alloy are compound, and outer layer is rare earth alloy
Oxidation film layer.
The burner is connected by pipeline with air feed system and smoke evacuation system.
Air-flow, the side of flame extension is oriented to by water conservancy diversion gusset, makes high temperature cigarette by the burning gallery that the parallels is formed
Gas can only onwards transmission, when furnace wall for flowing to offside turns back circulation, forms U-shaped flame；High-temperature flue gas is in transmitting procedure with being added
After heat or the workpiece of heat treatment carry out heat exchange, by being arranged outside injection smoke evacuation system, so in cycles.
The burner forms the U-shaped energy flow pathway of energy streaming, it can be achieved that list with the workpiece carried on parallels and parallels
Side U-shaped flame alternately heating；U-shaped flame can be spaced to interlock heat supply；Can be with double-face flow-guiding U-shaped flame lamination heat supply；Can periodically it change
, can be with interval combustion heat supply to heat supply.
A kind of heat treatment method of the car-type heat treatment equipment based on U-shaped flame heating in reciprocating mode：
A variety of heating process systems such as comprehensive thinning heating technique, pulse heating technique, heating in reciprocating mode technology, can be with thinning
Control burning, can also pulse, reciprocal control burning；With reference to unilateral U-shaped flame, two-way U-shaped flame alternating, staggeredly, lamination heating
System, can flexibly realize that dynamic thermal load adjusts；Using the one-to-one automatic control mode of temperature closed loop, dynamic control air-fuel ratio；
Realize full-range intelligent temperature control and optimization management and control；It is energy saving, emission reduction, environmentally protective, preferably meet the super thick of different steel grades
Plate, composite plate heat treatment process demand.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) it is steady using the heating of " u "-shaped flame cladding, heating in reciprocating mode combustion technology, car-type heat treatment equipment temperature field in furnace
Fixed, uniform, the temperature difference≤± 5 DEG C of the workpiece arbitrary point such as the ultra-thick plate that is heat-treated, composite plate, ensure that the matter of heat treated article
Amount and performance.
(2) various technique heat treating regimes are flexibly met, include the different heat treatment work of the steel plate in the same production cycle
Skill, normalizing are annealed, the various treatment process such as quenching and tempering is quenched, multi-use.
(3) a variety of heating process systems such as comprehensive thinning heating technique, pulse heating technique, heating in reciprocating mode technology, can be with
Thinning control burning, can also pulse, reciprocal control burning；With reference to unilateral " u "-shaped flame, two-way " u "-shaped flame alternating, staggeredly,
Lamination heating cycle, can flexibly realize that dynamic thermal load adjusts；Using the one-to-one automatic control mode of temperature closed loop, dynamic control
Air-fuel ratio；Realize full-range intelligent temperature control and optimization management and control；Energy saving, emission reduction, environmental protection, preferably meet the super of different steel grades
Slab, composite plate heat treatment process demand.
(4) kiln is heat-treated, it can be achieved that halving with fuel consumption during yield, with yield during unit consumption compared to traditional car-type
It is double, energy-saving and environmental protection and circular economy.
Brief description of the drawings
Fig. 1 is the structural representation front view and process principle figure of the present invention；
Fig. 2 is structural representation top view of the present invention；
Fig. 3 is bilateral U-shaped flame status architecture schematic left side elevation view of the present invention；
Fig. 4 is bilateral U-shaped flame status architecture schematic right side elevation view of the present invention；
Fig. 5 is unilateral left Heating State structural representation side view of the invention；
Fig. 6 is unilateral right Heating State structural representation side view of the invention；
Fig. 7 is unilateral left Heating State structural representation top view of the invention；
Fig. 8 is unilateral right Heating State structural representation top view of the invention；
Fig. 9 is thinning of the present invention, pulse Heating State structural representation top view；
Figure 10 is another thinning of the present invention, pulse Heating State structural representation top view；
Figure 11 is thinning of the present invention, reciprocal Heating State structural representation top view.
In figure：1- furnace body 2- stove car 3- parallels 4- burner 5- workpiece 6- sealing system 7- air feed systems 8-
Smoke evacuation system 9- upper cover plate 10- web 11- water conservancy diversion gusset 12- bottom plate 13- arc groove 14- flame contours
15- slotted eyes
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of car-type heat treatment equipment of U-shaped flame heating in reciprocating mode, including furnace body 1, stove car
2nd, the dress of parallels 3, burner 4, workpiece 5, sealing system 6, air feed system 7, smoke evacuation system 8 and its auxiliary, discharging alignment system, electricity
Gas is driven and instrument automation system and Video transmission system.Burner 4 passes through pipeline and 8 phase of air feed system 7 and smoke evacuation system
Even.
Polylith parallels 3 forms a line, and multiple row parallels 3, which is parallel to each other, to be placed on stove car 2, and burner 4 is staggeredly fixed on furnace body 1
Both sides furnace wall on, in gap of the converter nose 4 between multiple row parallels 3；Burner 4 and the workpiece carried on parallels 3 and parallels 3
The U-shaped energy flow pathway of 5 composition energy streaming.
Parallels 3 is monoblock cast structure, including upper cover plate 9, web 10, bottom plate 12 and water conservancy diversion gusset 11；Upper cover plate 9 and bottom
Plate 12 is parallel to each other, and web 10 is between upper cover plate 9 and bottom plate 12 and perpendicular to upper cover plate 9 and bottom plate 12；Water conservancy diversion gusset 11
Equipped with arc groove 13, the streamlined and flame contours 14 of arc groove 13 are corresponding, and water conservancy diversion gusset 11 is located at 10 both sides of web, and
And with the streamlined inclination in 10~60 ° of inclination angle；Upper cover plate 9 is equipped with multiple slotted eyes 15 with web 10.Upper cover plate 9 and bottom plate 12
For slab construction, upper cover plate 9 is identical with 12 length of bottom plate, and 9 width of upper cover plate is less than and 12 width of bottom plate.Parallels 3 is by high temperature resistant
High-chromium-nickel alloy and rare earth alloy is compound is integrally cast, outer layer is rare earth alloy oxidation film layer.
As shown in Figure 1, in the production technology of trolley type heating furnace and heat-treatment furnace, held widely using parallels 3
The workpiece 5 for being heated or being heat-treated is carried, the application of parallels 3 can make to form efficient heat transfer between workpiece 5 and the trolley face of stove car 2
Combustion gas flowpath, so that effectively tissue temperature flow field, improves heat transfer efficiency, improves the uniformity of furnace temperature.
Parallels 3 carries the lateral water conservancy diversion gusset 11 of the groove structure of arc and with certain inclination angle slope aspect flame advance side
To, hot-fluid is formed it is certain borrow at the beginning of power water conservancy diversion and flow-disturbing can, passed in flame transmission and motion process to slab workpiece 5
Lead, conduct heat.
As shown in Fig. 4, Fig. 5, Fig. 6, in the combustion gas flowpath, air-flow is oriented to by the water conservancy diversion gusset 11 of parallels 3
The side of flame extension, make high-temperature flue gas can only onwards transmission, when furnace wall for flowing to opposite side turns back circulation, formation " u "-shaped flame；
High-temperature flue gas in transmitting procedure be heated or heat treatment workpiece 5 carry out heat exchange after, by injection smoke evacuation system 8 outside
Row, so in cycles.
As shown in Figure 2, Figure 3, Figure 4, the " u "-shaped flame heating in reciprocating mode system is the parallels 3 of double-face flow-guiding function with dividing
" U " passage for the energy streaming that the slab workpiece 5 carried on body formula self-preheating burner 4 and parallels 3 forms.
A kind of car-type heat treatment equipment of U-shaped flame heating in reciprocating mode is when organizing to produce, such as Fig. 2, Fig. 5, Fig. 6, Fig. 7, Fig. 8
It is shown, it can be achieved that unilateral " u "-shaped flame alternately heating；" u "-shaped flame can be spaced to interlock heat supply；Can also double-face flow-guiding " u "-shaped flame
Lamination heat supply.
As shown in Fig. 9, Figure 10, Figure 11, a kind of car-type heat treatment equipment of U-shaped flame heating in reciprocating mode, in commission, low temperature
, can be with interval combustion heat supply, flexible approach thinning, pulse, the temperature schedule of heating in reciprocating mode during tempering heat treatment process.Can be single
Side heat supply, unilateral alternately commutation heat supply, bilateral flexible conversion heat supply etc., can periodically commutate heat supply, can both meet different works
The requirement of skill temperature schedule, and meet energy-saving and emission-reduction, the strategy of sustainable development of clean manufacturing.
The characteristics of car-type heat treatment equipment of above-mentioned U-shaped flame heating in reciprocating mode, is completely eliminated at traditional car-type heat
The defects of temperature of managing stove is uneven, function is single, can be flexibly met various technique heat treating regimes, including in the same production cycle
Steel plate different heat treatment technique, normalizing, annealing, the various treatment process multi-uses such as quenching and tempering is quenched.Realize
The multi-functional heat treatment process of car-type heat treating furnace kiln equipment is simultaneously new with implementing with multi-functional heat treatment process multi-use
Method.
As shown in Fig. 5-Figure 11, the heat treatment heating cycle of the car-type heat treatment equipment of the U-shaped flame heating in reciprocating mode
The new method of operating procedure is：A variety of heating process systems such as comprehensive thinning heating technique, pulse heating technique, heating in reciprocating mode technology
Degree, can be controlled with thinning and burnt, can also pulse, reciprocal control burning；With reference to the friendship of unilateral " u "-shaped flame, two-way " u "-shaped flame
Replace, interlock, lamination heating cycle, can flexibly realize that dynamic thermal load adjusts；Using the one-to-one automatic control mode of temperature closed loop,
Dynamic control air-fuel ratio；Realize full-range intelligent temperature control and optimization management and control；Energy saving, emission reduction, environmental protection, preferably meet different
The demand of the ultra-thick plate of steel grade, the heat treatment process of composite plate.
First, in the production technology of trolley type heating furnace and heat-treatment furnace, added widely using parallels 3 to carry
Heat or the slab of heat treatment, workpiece, the application of parallels 3 can make the combustion gas that efficient heat transfer is formed between slab, workpiece and underbody
Circulation road, so as to improve heat transfer efficiency, improves the uniformity of furnace temperature.The side of groove structure of 3 device of parallels with arc at the same time
To water conservancy diversion gusset 11 and with certain inclination angle slope aspect flame direction of advance, hot-fluid is formed it is certain borrow power water conservancy diversion and flow-disturbing at the beginning of
Can, to the conduction of slab workpiece, heat transfer in flame transmission and motion process.Making the best use of the situation for water conservancy diversion gusset 11, air-flow is led
The side extended to flame, make high-temperature flue gas can only onwards transmission, when furnace wall for flowing to offside turns back circulation, formation " u "-shaped flame；
After high-temperature flue gas carries out heat exchange in transmitting procedure with the workpiece for being heated or being heat-treated, by being arranged outside smoke evacuation system, so
In cycles.
Secondly the bogie furnace combustion system of the " u "-shaped flame heating in reciprocating mode, be by split type self-preheating burner 4 with
The slab workpiece 5 carried on the new parallels 3 and parallels 3 of double-face flow-guiding function constitutes " U " passage of energy streaming." u "-shaped
, it can be achieved that unilateral " u "-shaped flame alternately heating during the car-type heat treating furnace tissue production of flame heating in reciprocating mode；" u "-shaped can be spaced
Flame interlocks heat supply；Can be with double-face flow-guiding " u "-shaped flame lamination heat supply.It can apply in the combustion systems such as thinning, pulse satisfaction, low temperature
Heat treatment process.In conclusion its main feature is that the temperature inequality, the function that completely eliminate traditional car-type heat treating furnace are single
The defects of, realize being used in combination for the multi-functional heat treatment process that car-type heat treating furnace kiln is equipped.Above-mentioned unilateral " u "-shaped flame,
Interval " u "-shaped flame interlocks heat supply, single, double " u "-shaped flame lamination heat supply and combustion technology and the method such as application thinning, pulse, reciprocal
Constitute ultra-thick plate, composite plate " u "-shaped flame heating in reciprocating mode car-type heat treatment equipment multi-functional New Technology of Heat Treatment, new
Method.
The present invention reforms the opposite arrangement of side wall burner of traditional bogie furnace and the operating duty of heat supply at the same time, in trolley
Development and implementation makes bogie furnace can be with " u "-shaped flame one side heat supply, the unilateral alternately commutation heat supply of " u "-shaped flame, double on formula heat-treatment furnace
Reciprocal flexible conversion heat supply of side " u "-shaped flame etc., can periodically commutate heat supply, can with interval combustion heat supply, flexible approach thinning,
Pulse, the temperature schedule of heating in reciprocating mode.Not only meet the requirement of different process temperature schedule, but also meet energy-saving and emission-reduction, clean manufacturing
The strategy of sustainable development.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
- The car-type heat treatment equipment of 1.U shape flame heating in reciprocating mode, including furnace body, stove car, parallels, burner, sealing system, air feed system System, smoke evacuation system, it is characterised in that：Polylith parallels forms a line, and multiple row parallels, which is parallel to each other, to be placed on stove car, and burner interlocks It is fixed on the both sides furnace wall of furnace body, in gap of the converter nose between multiple row parallels；Burner on parallels and parallels with carrying Workpiece composition can streaming U-shaped energy flow pathway.
- 2. the car-type heat treatment equipment of U-shaped flame heating in reciprocating mode according to claim 1, it is characterised in that：The parallels For monoblock cast structure, including upper cover plate, web, bottom plate and water conservancy diversion gusset；Upper cover plate is parallel to each other with bottom plate, and web is positioned at upper Between cover board and bottom plate and perpendicular to upper cover plate and bottom plate；Water conservancy diversion gusset is equipped with arc groove, arc groove it is streamlined with it is fiery Flame profile is corresponding, and water conservancy diversion gusset is located at web both sides, and with the streamlined inclination in 10~60 ° of inclination angle；Upper cover plate and web Equipped with multiple perforates.
- 3. the car-type heat treatment equipment of U-shaped flame heating in reciprocating mode according to claim 2, it is characterised in that：The upper cover Plate and bottom plate are slab construction, and upper cover plate is identical with floor length, and upper cover plate width is less than and baseplate width.
- 4. the car-type heat treatment equipment of U-shaped flame heating in reciprocating mode according to claim 2, it is characterised in that：The parallels It is integrally cast by heat safe high-chromium-nickel alloy and rare earth alloy are compound, outer layer is rare earth alloy oxidation film layer.
- 5. the car-type heat treatment equipment of U-shaped flame heating in reciprocating mode according to claim 1, it is characterised in that：The burner It is connected by pipeline with air feed system and smoke evacuation system.
- 6. the car-type heat treatment equipment of U-shaped flame heating in reciprocating mode according to claim 1 or 2, it is characterised in that：The pad Iron form burning gallery, by water conservancy diversion gusset by air-flow be oriented to flame extend side, make high-temperature flue gas can only onwards transmission, Turn back during the furnace wall for flowing to offside circulation, form U-shaped flame；Workpiece of the high-temperature flue gas in transmitting procedure with being heated or being heat-treated After carrying out heat exchange, by being arranged outside injection smoke evacuation system, so in cycles.
- 7. the car-type heat treatment equipment of U-shaped flame heating in reciprocating mode according to claim 1, it is characterised in that：The burner The U-shaped energy flow pathway of energy streaming is formed with the workpiece carried on parallels and parallels, it can be achieved that unilateral U-shaped flame alternately heating； U-shaped flame can be spaced to interlock heat supply；Can be with double-face flow-guiding U-shaped flame lamination heat supply；Can periodically be commutated heat supply, can be fired with thinning Burn heat supply.
- 8. a kind of heat treatment method of the car-type heat treatment equipment of the U-shaped flame heating in reciprocating mode based on described in claim 1, it is special Sign is：A variety of heating process systems such as comprehensive thinning heating technique, pulse heating technique, heating in reciprocating mode technology, can be with thinning Control burning, can also pulse, reciprocal control burning, with reference to unilateral U-shaped flame, the alternating of two-way U-shaped flame, staggeredly, lamination heating System, can flexibly realize that dynamic thermal load adjusts；Using the one-to-one automatic control mode of temperature closed loop, dynamic control air-fuel ratio； Realize full-range intelligent temperature control and optimization management and control, energy saving, emission reduction, environmentally protective, preferably meet the generous of different steel grades Plate, composite plate heat treatment process demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469368.2A CN107955865B (en) | 2017-12-29 | 2017-12-29 | Trolley type heat treatment equipment with U-shaped flame for reciprocating heating and treatment method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711469368.2A CN107955865B (en) | 2017-12-29 | 2017-12-29 | Trolley type heat treatment equipment with U-shaped flame for reciprocating heating and treatment method thereof |
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| CN107955865B CN107955865B (en) | 2024-03-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929970A (en) * | 2019-04-28 | 2019-06-25 | 东北大学 | Low-temp temper furnace and low temperature control method in a kind of smoke gas circulating type steel plate |
| CN112246877A (en) * | 2020-09-25 | 2021-01-22 | 南京钢铁股份有限公司 | Production method for heating thin-specification blank by using trolley type heating furnace |
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| CN109929970B (en) * | 2019-04-28 | 2023-09-22 | 东北大学 | Flue gas circulating type steel plate medium-low temperature tempering furnace and low temperature control method |
| CN112246877A (en) * | 2020-09-25 | 2021-01-22 | 南京钢铁股份有限公司 | Production method for heating thin-specification blank by using trolley type heating furnace |
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|---|---|
| CN107955865B (en) | 2024-03-26 |
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