CN107419068A - A kind of sector gas saves annealing furnace - Google Patents
A kind of sector gas saves annealing furnace Download PDFInfo
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- CN107419068A CN107419068A CN201710857593.7A CN201710857593A CN107419068A CN 107419068 A CN107419068 A CN 107419068A CN 201710857593 A CN201710857593 A CN 201710857593A CN 107419068 A CN107419068 A CN 107419068A
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- 238000000137 annealing Methods 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 82
- 238000005192 partition Methods 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims abstract description 31
- 238000002485 combustion reaction Methods 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 230000003028 elevating effect Effects 0.000 claims description 25
- 239000011449 brick Substances 0.000 claims description 16
- 238000004134 energy conservation Methods 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003517 fume Substances 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 4
- 229910052895 riebeckite Inorganic materials 0.000 claims description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 239000003546 flue gas Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 14
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 239000000835 fiber Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 210000003739 neck Anatomy 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 240000009087 Crescentia cujete Species 0.000 description 1
- 235000005983 Crescentia cujete Nutrition 0.000 description 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
- 238000010112 shell-mould casting Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment 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
- C21D1/26—Methods of annealing
-
- 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
- C21D9/0056—Furnaces through which the charge is moved in a horizontal straight path
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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)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The present invention relates to a kind of sector gas to save annealing furnace.Workpiece is placed on chassis,Chassis is moved into burner hearth by walking mechanism,Body of heater and chassis tail seal are compressed by rear sealing hold-down mechanism,Body of heater and chassis lateral surface compressing are sealed by side seal hold-down mechanism,Close fire door,Fire door and furnace sealing are compressed by oven door sealing hold-down mechanism,Middle partition door is fallen by partition door hoisting mechanism,Middle partition door and body of heater body seal are compressed by separating door sealing hold-down mechanism,Combustion air is passed through into heat exchanger from combustion-supporting pipeline by combustion fan to be heated,Lead to burner from air pipe line again,Fuel flame into body of heater is passed through in burner by fuel conduit to heat workpiece in stove,Flue gas caused by burner is entered in heat exchanger by flue,Heat exchanger utilizes the high-temperature flue gas heating combustion air in flue,Solve the problems, such as body of heater leakage fire phenomena impair heating effect and that high-temperature flue gas is expelled directly out into the thermal efficiency is relatively low.
Description
Technical field
The present invention relates to the technical field of heating furnace, a kind of particularly sector gas energy-conservation annealing furnace.
Background technology
For large-scale welding workpiece, need to carry out stress relief annealing process after welding, be then machined, workpiece
The quality of heat treatment plays effect of crucial importance for the performance of machining accuracy and workpiece, and temperature uniformity is stove
Very important link in design, temperature uniformity directly affect the thermal treatment quality of workpiece, and in general annealing furnace was being run
Due to offering question in journey, temperature-controlled precision is low, and operating efficiency is low, bad due to sealed set so that fuel consumption is high, equipment
It is easy to produce noise and pernicious gas in the process of running, and heat-resisting effect is poor, and certain safety is brought to work
Hidden danger.
Chinese patent CN201620821015.9 provides a kind of bogie type gas annealing furnace, and manufacture is superior, practical, safe
And it is reliable, pollution is small, operating efficiency is high, can workpiece in equiflux heater, so as to obtain higher temperature uniformity.
But leakage fire phenomenon can be still produced, meanwhile, the flue gas for generation of burning directly is discharged from chimney make it that the thermal efficiency is relatively low.
The content of the invention
The technical problem to be solved in the present invention is:In order to solve body of heater leakage fire phenomena impair heating effect and by high-temperature flue gas
The problem of thermal efficiency is relatively low is expelled directly out, the invention provides a kind of sector gas to save annealing furnace, is placed on chassis
Workpiece, chassis is moved into burner hearth by walking mechanism, compressed body of heater and chassis tail seal by rear sealing hold-down mechanism,
Body of heater and chassis lateral surface compressing are sealed by side seal hold-down mechanism, fire door is fallen by fire door elevating mechanism, passes through stove
Door sealing hold-down mechanism compresses fire door and furnace sealing, is fallen middle partition door by partition door hoisting mechanism, by every
Disconnected door sealing hold-down mechanism compresses middle partition door and body of heater body seal, by combustion fan by combustion air from combustion tube
Road is passed through heat exchanger and heated, then leads to burner from air pipe line, and fuel is passed through into body of heater by fuel conduit in burner
Flame is heated to workpiece in stove, and flue gas caused by burner is entered in heat exchanger by flue, and heat exchanger is utilized in flue
High-temperature flue gas heats combustion air so that waste heat is utilized, and is improved the thermal efficiency and is realized the flexible modulation of furnace pressure.
The technical solution adopted for the present invention to solve the technical problems is:A kind of sector gas saves annealing furnace, bag
Include:
Chassis, the chassis include:Vehicle frame, heat-insulation layer and driving mechanism, the driving mechanism are used to drive vehicle frame to move,
Body of heater, the body of heater include body of heater furnace shell and furnace lining, and the furnace lining is arranged on body of heater furnace shell inwall, the stove
Body seals hold-down mechanism after being provided with chassis afterbody junction, the body of heater is provided with side seal compacting machine with chassis side junction
Structure,
Fire door, the fire door include:Fire door furnace shell, door lining and fire door elevating mechanism, the door lining are arranged on fire door
Furnace shell inwall, the fire door elevating mechanism and fire door furnace shell are connected to lifting furnace door, the fire door furnace shell and body of heater furnace shell it
Between junction be provided with oven door sealing hold-down mechanism,
Middle partition door, the middle partition door are arranged in the middle part of body of heater, and the middle partition door is passed through at the top of body of heater to body of heater
In the mounting groove of liner inside bottom, the body of heater furnace shell is provided with symmetrical on partition door with middle partition door junction
Separating door sealing hold-down mechanism, the middle partition door is connected with partition door elevating mechanism,
Fume extractor, the fume extractor include:Flue, heat exchanger and chimney, the flue connect with furnace interior, the cigarette
Road is connected by heat exchanger with chimney,
Burner, the burner include:Burner, fuel conduit, combustion-supporting pipeline and air pipe line, the burner and body of heater
Inside connection, described combustion-supporting pipeline one end are connected with combustion fan, and the other end is connected with heat exchanger, the air pipe line both ends point
It is not connected with heat exchanger and burner, the fuel conduit is connected with burner,
Heating component, the heating component are arranged in body of heater.
Specifically, the side seal hold-down mechanism includes:Base, the first cylinder, linkage and side sealing block, the bottom
Seat is fixedly connected with body of heater furnace shell, and first cylinder is hinged with base, described linkage one end and the activity of the first cylinder
End is be hinged, and the other end is fixedly connected with side sealing block.
Specifically, the rear sealing hold-down mechanism includes:Fixed plate, movable plate, bearing pin and rear sealing block, the bearing pin one
End is through fixed plate and is secured to connect, and the other end is slidably connected through rear sealing block and with it, and the rear sealing block is with moving
Dynamic plate is connected by the axle sleeve being set in outside bearing pin, and spring is provided between the movable plate and fixed plate.
Specifically, the oven door sealing hold-down mechanism includes:The neck that is fixedly connected with body of heater furnace shell and with fire door furnace shell
The fastener being fixedly connected.
Specifically, the cut-off door sealing hold-down mechanism includes:Support block, the second cylinder and upper sealing block, the support
Block is fixedly connected with body of heater furnace shell, and the second cylinder both ends are connected with, support block and upper sealing block respectively, with the upper sealing
One end of block connection is movable end, and the upper sealing block is connected with middle partition door.
Specifically, the fire door elevating mechanism and partition door elevating mechanism include:Column, gantry, motor cucurbit, dynamic cunning
Wheel, the first fixed pulley, the second fixed pulley, the 3rd fixed pulley and cable wire, the column are fixedly connected with body of heater furnace shell, described gantry
Column top is arranged on, the motor cucurbit, the first fixed pulley, the second fixed pulley and the 3rd fixed pulley are arranged on gantry,
The motor cucurbit is connected with movable pulley by cable wire, and described cable wire one end is fixedly connected with movable pulley, and the other end passes through first
Fixed pulley, the second fixed pulley and the 3rd fixed pulley are connected with fire door or middle partition door.
Specifically, contact surface and fire door the elevating mechanism motion of the body of heater furnace shell or furnace lining and door lining is perpendicular
There is angle [alpha] between facing directly.
Specifically, the scope of the angle [alpha] is 2-4 °
Specifically, the heat-insulation layer includes:The straight brick of fire resisting asbestos board, diatomite brick and lightweight being covered with successively from bottom to top, institute
Diatomite brick is stated staggeredly to tile with the straight brick of lightweight.
The beneficial effects of the invention are as follows:
The invention provides a kind of sector gas to save annealing furnace, and workpiece is placed on chassis, by walking mechanism by platform
Car is moved into burner hearth, is compressed body of heater and chassis tail seal by rear sealing hold-down mechanism, will by side seal hold-down mechanism
Body of heater and chassis lateral surface compressing seal, and are fallen fire door by fire door elevating mechanism, by oven door sealing hold-down mechanism by fire door
Compress with furnace sealing, fallen middle partition door by partition door hoisting mechanism, by separating door sealing hold-down mechanism by
Between partition door and body of heater body seal compress, combustion air is passed through from combustion-supporting pipeline by heat exchanger by combustion fan and added
Heat, then lead to burner from air pipe line, be passed through fuel flame into body of heater by fuel conduit in burner is carried out to workpiece in stove
Heating, flue gas caused by burner are entered in heat exchanger by flue, and heat exchanger utilizes the high-temperature flue gas in flue to heat combustion-supporting sky
Gas so that waste heat is utilized, and is improved the thermal efficiency and is realized the flexible modulation of furnace pressure.
The invention provides a kind of sector gas to save annealing furnace, in order to further strengthen sealing effectiveness, body of heater stove
There is angle [alpha] between the vertical plane of the contact surface and fire door elevating mechanism of shell and furnace lining and door lining motion, due to stove
Door top, which is held, to be fixed, and in seal process, is required higher for fire door vertical motion linearity, is somewhat produced one
Point deviation will furnace lining have with door lining in the bottom of contact position together with space, influence the sealing of whole heating furnace
Can, an angle [alpha] is tilted between the vertical plane of contact surface and fire door the elevating mechanism motion of furnace lining and door lining, in stove
During door declines, even if not being vertically lowered, it is also possible that sealing is close, stove leakage fire phenomenon is further eliminated, is improved
Stove sealing effectiveness, strengthen stove heating effect, angle [alpha] is preferably 2 °, 3 ° or 4 °, if angle [alpha] is less than 2 °, is tilted not clear
Aobvious, furnace lining and the bottom of door lining junction still have compared with big gap, and sealing effectiveness is bad, if angle [alpha] is more than
4 °, the junction top of furnace lining and door lining can also open up larger gap, influence sealing effectiveness.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation of sector gas energy-conservation annealing furnace of the present invention;
Fig. 2 is Fig. 1 top view illustration;
Fig. 3 is Fig. 1 left view schematic diagram;
Fig. 4 is part A partial enlarged drawing schematic diagram in Fig. 1;
Fig. 5 is part B partial enlarged drawing schematic diagram in Fig. 1;
Fig. 6 is C portion partial enlarged drawing schematic diagram in Fig. 1;
Fig. 7 is D parts partial enlarged drawing schematic diagram in Fig. 1;
Fig. 8 is the structural representation of heat-insulation layer;
In figure:1. vehicle frame, 2. heat-insulation layers, 201. fire resisting asbestos boards, 202. diatomite bricks, the straight brick of 203. lightweights, 3. driving mechanisms,
4. body of heater furnace shell, 5. furnace linings seal hold-down mechanism after 6., 61. fixed plates, 62. movable plates, 63. bearing pins, sealing block after 64.,
65. axle sleeve, 66. springs, 7. side seal hold-down mechanisms, 71. bases, 72. first cylinders, 73. linkages, 74. side sealing blocks,
8. fire door furnace shell, 9. door linings, 10. furnacing door lifting mechanisms, 101. columns, 102. gantry, 103. motor cucurbits, 104. dynamic cunnings
Wheel, 105. first fixed pulleys, 106. second fixed pulleys, 107. the 3rd fixed pulleys, 11. oven door sealing hold-down mechanisms, 111. necks,
112. fastener, 12. middle partition doors, 13. cut-off door sealing hold-down mechanisms, 131. support blocks, 132. second cylinders are close on 133.
Block is sealed, 14. partition door elevating mechanisms, 15. flues, 16. heat exchangers, 17. chimneys, 18. burners, 19. fuel conduits, 20. is combustion-supporting
Pipeline, 21. combustion fans, 22. air pipe lines, 23. heating components.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As illustrated, the invention provides a kind of sector gas to save annealing furnace, including:
Chassis, chassis include:Vehicle frame 1, heat-insulation layer 2 and driving mechanism 3, driving mechanism 3 be used for drive vehicle frame 1 to move, vehicle frame 1 by
Two longitudinal girders and a plurality of crossbeam are spliced, and the auxiliary 8mm steel plates in face, its rigidity ensures indeformable under full load situation.
To reduce chassis height as far as possible, ensure there is enough intensity and rigidity in the case of high-impact again, longeron uses " combined type
Welded grider ", reduce longeron span.10 groups of wheels are respectively equipped with per side girder, with 5 cycloidal planetary gear speed reducer direct drives actively
Wheel, ensure that the bearing capacity of wheel is no more than the greatest limit allowed.Vehicle frame 1 is surrounded by special heat-resisting cast iron car frame,
Coordinate with body of heater both sides sealing, ensure that stove car surrounding is indeformable.Driving mechanism 3 has motor, planet-cycloid reducer, brake
The Trinity forms, and is directly installed on by flange connection on adhesion wheel balancing stand, there is large modulus Hardened gear face driving moment.Should
Driven type has that simple in construction, easy to maintenance, driving torque is big, operate steadily, fault rate is low compared with traditional chain drive
The advantages that.Chassis disengaging is designed with sound and light signal, and the disengaging end of driving mechanism 3 is designed with dual fail-safe limit switch, prevents car
Frame walking, which exceedes, to be formed.
Body of heater, body of heater include:Body of heater furnace shell 4 and furnace lining 5, furnace lining 5 are arranged on the inwall of body of heater furnace shell 4, body of heater
Hold-down mechanism 6 is sealed after being provided with chassis afterbody junction, body of heater is provided with side seal hold-down mechanism 7 with chassis side junction,
4 steel constructions of body of heater furnace shell, using national standard hot-rolled steel section(Not less than 16# I-steel)Welded with basic built-in fitting, post and post it
Between using shaped steel multiple tracks connection up and down, the skeleton of the body of heater furnace shell 4 of frame structure is formed, in the interior table of the skeleton of body of heater furnace shell 4
Face patch weldering 6mm furnace shell steel plates, reserve bottom chassis opening and front end stove gate, 2 sides reserve burner mounting aperture and heating group
Part hole steel construction integrally has the strength and stiffness for keeping body of heater steady operation.Body of heater furnace shell moulding 4 is made by modern industrial equipment
Type designs, appearance spraying silver gray finish paint(Aluminium paint).The top of body of heater furnace shell 4 sets inspection platform, is easy to check, repairs.Ground
Face to the top of body of heater furnace shell 4, staircase is set with top to inspection platform.In order to prevent the furnace wall of body of heater furnace shell 4 and furnace roof knot
Close position to occur penetrating seam, wall uses pottery fiber module and backing blanket fissure of displacement mode of connection with wall, wall and the junction on top, is simultaneously
Prevent hot-face layer pottery fibre from distributing the high-temperature shrinkage of junction, a compensation seam is set in wall top junction, using equal with module
The tapetum fibrosum doubling of material, 30% is kept with one compression ratio, is filled in by force, it is ensured that the elevated-temperature seal effect at the position.Body of heater
Liner 5 is used with excellent thermal insulation heat-insulating property(Produce Shandong Luyang)High-purity Whole fiber.This furnace lining 5 also has installation
Simplicity, the characteristics of engineering time is short, service life is more than brick body furnace superintendent.Whole fiber burner hearth aluminosilicate refractory fiber is in periodic stove
In be widely used, have it is in light weight, simple in construction, easy for installation, service life is long, easy to maintenance, quick heating,
The advantages that accumulation of heat is few, high insulating effect, good thermal shock stability.Anchoring piece and scientific and reasonable edge of the furnace lining 5 using standard
Dress method.Precompression treatment again is carried out before fiber folded piece insert(Compress unit weight >=230Kg/m3), it is fixed on anchoring piece
On housing, insulation material installation thickness ≮ 300mm.The structure has the molten excellent chemical stability of low heat conduction, low-heat, thermostabilization
Property, shaking property of heat resistanceheat resistant, excellent tensile strength and corrosion resistance.1100 DEG C of alumina silicate fibre highest heatproof, the material choosing of anchoring piece
It is molded with 304 plate stampings.
Fire door, fire door include:Fire door furnace shell 8, door lining 9 and fire door elevating mechanism 10, door lining 9 are arranged on fire door
The inwall of furnace shell 8, fire door elevating mechanism 10 is connected to lifting furnace door with fire door furnace shell 8, between fire door furnace shell 8 and body of heater furnace shell 4
Junction is provided with oven door sealing hold-down mechanism 11, and for fire door furnace shell 8 by there is shaped steel to be welded into framework, peripheral steel plate is welded into casing,
Door lining 9 is that refractory fiber cotton is fast, the heat-resisting steel panel of lower frame bolt connection, to reduce the thermal deformation of fire door.In fire door
Lining 9 makes with the same material of furnace lining 5 with mode, and thickness is more than 300mm.
Middle partition door 12, middle partition door 12 are arranged in the middle part of body of heater, and middle partition door 12 is passed through at the top of body of heater to stove
In vivo in the mounting groove of 5 inside bottoms of lining, it is right on middle partition door 12 that body of heater furnace shell 4 is provided with the junction of middle partition door 12
Claim the cut-off door sealing hold-down mechanism 13 of distribution, middle partition door 12 is connected with partition door elevating mechanism 14, middle partition door 12
Main body frame has all been divided into multiple " well " font frames using transverse slat using 12mm stainless steel plate welding productions, inside with riser
Frame is strengthened, and base of frame is made using casting heat resistant steel part, reduces deformation.Lower portion fixes fire resisting fibre using heat-resisting round steel
Dimension, thickness 300mm.Middle partition door 12 and the mounting groove of the bottom of furnace lining 5 form labyrinth sealing.
Fume extractor, fume extractor include:Flue 15, heat exchanger 16 and chimney 17, flue 15 connect with furnace interior,
The both sides of middle partition panel door 12 are designed with flue 15, and flue 15 is connected by heat exchanger 16 with chimney 17, and flue 15 is provided with casting
The automatic control high temperature resistant cigarette valve that part makes, closed-loop control system is formed with furnace pressure transmitter and pressure regulation instrument table, to furnace pressure
Automatically controlled, cigarette valve opening can be automatically adjusted with the change of heating demand, controling of the pressure of the oven is protected in pressure-fired all the time
Demonstrate,proved making full use of for thermal current in stove, in turn ensure that the outer cold air of stove will not be inhaled into stove, so as to reach save the energy and
The effect of uniform furnace temperature.Flue gas is discharged outside factory building by chimney 17.To improve the life-span of steel chimney 17, chimney 17 is all adopted
Rolled with the stainless steel plates of 6mm 304.
Burner, burner include:Burner 18, fuel conduit 19, combustion-supporting pipeline 20 and air pipe line 22, burner 18
Connected with furnace interior, combustion-supporting one end of pipeline 20 is connected with combustion fan 21, and the other end is connected with heat exchanger 16, air pipe line 22
Both ends are connected with heat exchanger 16 and burner 18 respectively, and fuel conduit 19 is connected with burner 18, using 30 sets of sub- high-speed fuel gas burners
18 are separately mounted to 5 liang of side lower parts of furnace lining, and the velocity heated gas of injection is in burner hearth.The flame angle of burner 18 is big, flame
Long, burning is complete, and regulation ratio is big, is easy to adjust and controls, and has automatic ignition, automatically adjusts flame monitoring and blowout protection
A full set of function.The burning of burner 18 is carried out pulse-combustion, passed through using international advanced pulse combustion technology, large and small fire two states
Size magnetic valve adjusting size fire changes heating demand, and the large and small fire state of burner 18 is the instruction according to temperature control system instrument
The size of size valve is controlled to realize by PID control system(Also it is manually controllable).In big fire state, air hose
The magnetic valve on road 22 is in maximum rating, supply maximum quantity of wind.In small fire state, minimum air quantity is maintained.It is equipped with fuel conduit 19
Size magnetic valve, deliverability of gas can be automatically adjusted according to the size of air capacity, ensure have under large and small fire state most preferably
Air-fuel ratio, so as to meet to save, lower consumption and the requirement of environmental protection.Each burner 18 is furnished with high-voltage ignition transformer and ignitor
Automatic ignition is realized, gas current caused by gas burning is monitored equipped with flame monitor and detecting electrode, so as to monitor
The fired state of burner 18, the emergency cut-off magnetic valve and report of fuel conduit 18 can be automatically cut off when burner 18 hinders for some reason to be extinguished
It is alert, it to avoid accident.The method of gas current detection flame has the advantages of reliability is high, fault rate is low, long lifespan.Firing
The stokehold porch of air pipe 18 is equipped with manual main valve, repid cut-off valve, pressure-reducing valve, filter, pressure gauge, pressure transmitter.
Repid cut-off valve and air, fuel gas pipeline have interlock protection, when failure or it is abnormal when cut off electromagnetism main valve rapidly and prevent from sending out
Make trouble former.Pressure transmitter sends the natural pressure force signal of detection to display instrument, and is sent to by communication interface
Position machine shows and recorded.When gas pressure is too low or too high alarm and cuts off main gas valve.Natural gas is via each bye-pass
Before delivering to each burner 18, hand-operated valve and size electromagnetic valve for adjusting are provided with each bye-pass before each burner 18.Big ditty
The effect of economize on electricity magnet valve is to automatically adjust gas discharge according to the flow of combustion air, makes burner 18 in optimal air-fuel ratio state
Lower burning.Magnetic valve can be cut off natural gas and play safeguard protection.Combustion air needed for burner combustion is by two centrifugal high pressures
Blower fan supplies, and air pressure transmitter is housed on pipeline, and for detecting combustion air pressure, pressure transmitter is by the pressure of detection
Signal sends display instrument to, and sends host computer to by communication interface and show and record.When air pressure deficiency alarm,
And cut off main gas valve.It is used to equipped with dish valve adjust intake in the air inlet of combustion fan 21, its adjusting rod and pressure transmitter,
Pressure regulation instrument table forms closed-loop control system, adjusts combustion air pressure, prevents blower fan surge.Air after preheating pass through by
Before each bye-pass delivers to each burner 18, Hand-operated butterfly valve and electric butterfly valve, electronic butterfly are housed on the bye-pass of each burner 18
The effect of valve is to adjust the large and small fire state of burner 18, and so as to adjust the heating demand of stove, it is according to temperature control system instrument
Instruction act.Exhaust opening is located at the top of body of heater, and flue gas is discharged through heat exchanger 16, and heat exchanger 16 utilizes the high temperature discharged
Combustion air in the combustion-supporting pipeline 20 of flue gas, is utilized waste heat, improves the thermal efficiency and realizes the flexible modulation of furnace pressure.
Heat exchanger 16 makes heat transferring medium make full use of radiation, convection current and conduction to carry out integrated heat exchange, heat exchange under various state of temperatures
Efficiency high, service life length, recovered flue gas partial heat can be by air preheats to 300 DEG C or so, saving energy 20%~30%.
Heating component 23, the heating component 23 are arranged in body of heater.
In use, placing workpiece on chassis, chassis is moved into burner hearth by walking mechanism 3, compressed by rear sealing
Mechanism 6 compresses body of heater and chassis tail seal, seals body of heater and chassis lateral surface compressing by side seal hold-down mechanism 7, leads to
Cross fire door elevating mechanism 10 to fall fire door, compressed fire door and furnace sealing by oven door sealing hold-down mechanism 11, by every
Disconnected door hoisting mechanism 14 falls middle partition door 12, by separating door sealing hold-down mechanism 13 by middle partition door 12 and body of heater
The sealing of shell 4 is compressed, and combustion air is passed through into heat exchanger 16 from combustion-supporting pipeline 20 by combustion fan 21 and heated, then from sky
Air pipe 22 leads to burner 18, and be passed through fuel flame into body of heater by fuel conduit 19 in burner 18 adds to workpiece in stove
Heat, flue gas caused by burner 18 are entered in heat exchanger 16 by flue 15, and heat exchanger 16 is added using the high-temperature flue gas in flue 15
Hot combustion air so that waste heat is utilized, and is improved the thermal efficiency and is realized the flexible modulation of furnace pressure.
As shown in fig. 6, specifically, side seal hold-down mechanism 7 includes:Base 71, the first cylinder 72, linkage 73 and side
Sealing block 74, base 71 are fixedly connected with body of heater furnace shell 4, and the first cylinder 72 is be hinged with base 71, one end of linkage 73 and the
The movable end of one cylinder 72 is hinged, and the other end is fixedly connected with side sealing block 74.
As shown in figure 5, specifically, the rear hold-down mechanism 6 that seals includes:Fixed plate 61, movable plate 62, bearing pin 63 and rear sealing
Block 64, the one end of bearing pin 63 is through fixed plate 61 and is secured to connect, and the other end is slidably connected through rear sealing block 64 and with it,
Sealing block 64 is connected with movable plate 62 by the axle sleeve 65 being set in outside bearing pin 63 afterwards, is provided between movable plate 62 and fixed plate 61
Spring 66.In use, chassis afterbody contacts after entering burner hearth with rear sealing block 74, sealing block 74 after ejection is continued to move to, it is rear close
Envelope block 74 passes through axle sleeve 65 and the compression spring 66 of movable plate 62 so that spring 66 is in compressive state, passes through the reply of spring 66
Force tightening seal chassis and body of heater.
As shown in figure 4, specifically, oven door sealing hold-down mechanism 11 includes:The neck 111 being fixedly connected with body of heater furnace shell 4
The fastener 112 being fixedly connected with fire door furnace shell 8, when fire door falls, by door weight and by with the fixed fastener of fire door furnace shell 8
112 make it produce about 50mm horizontal displacement in 30 degree of 111 lower end of neck skewback, so as to complete the closing of fire door, such fire door
The main fibre of surrounding forms hot road two-side sealing with the protrusion fiber band of fire door surrounding.This dead-weight sealing structure of fire door
Both the excellent sealing effect after fire door closing had been ensure that, it also avoid the situation of swing during traditional fire door lifting(Fastener 112
Moved up and down in the less slideway in gap).
As shown in fig. 7, specifically, cut-off door sealing hold-down mechanism 13 includes:Support block 131, the second cylinder 132 and upper close
Seal block 133, support block 131 is fixedly connected with body of heater furnace shell 4, the both ends of the second cylinder 132 respectively with support block 131 and upper sealing block
133 connections, the one end being connected with upper sealing block 133 is movable end, and upper sealing block 133 is connected with middle partition door 12.Second gas
Middle partition door 12 is compressed sealing by the upper sealing block 133 of the work ejection of cylinder 132.
Specifically, fire door elevating mechanism 10 and partition door elevating mechanism 14 include:Column 101, gantry 102, motor calabash
Reed 103, movable pulley 104, the first fixed pulley 105, the second fixed pulley 106, the 3rd fixed pulley 107 and cable wire, column 101 and body of heater
Furnace shell 4 is fixedly connected, and gantry 102 is arranged on the top of column 101, motor cucurbit 103, the first fixed pulley 105, the second fixed pulley
106 and the 3rd fixed pulley 107 be arranged on gantry 102, motor cucurbit 103 is connected with movable pulley 104 by cable wire, cable wire one
End is fixedly connected with movable pulley 104, the other end through the first fixed pulley 105, the second fixed pulley 106 and the 3rd fixed pulley 107 and
Fire door or middle partition door 12 connect.
In a kind of embodiment, in order to further strengthen sealing effectiveness, body of heater furnace shell 4 or furnace lining 5 and stove
Door lining 9 contact surface and fire door elevating mechanism 10 motion vertical plane between there is angle [alpha], due to fire door top held into
Row is fixed, and in seal process, requires higher for fire door vertical motion linearity, somewhat producing some deviations will body of heater
Liner 5 have with door lining 9 in the bottom of contact position together with space, influence the sealing property of whole heating furnace, furnace lining 5 with
An angle [alpha] is tilted between the vertical plane of contact surface and fire door elevating mechanism 10 motion of door lining 9, declines process in fire door
In, even if not being vertically lowered, it is also possible that sealing is close, stove leakage fire phenomenon is further eliminated, improves stove sealing effect
Fruit, strengthen stove heating effect.
Specifically, angle [alpha] is preferably 2 °, 3 ° or 4 °, if angle [alpha] is less than 2 °, tilts unobvious, furnace lining 6 and stove
The bottom of the junction of door lining 8 still has compared with big gap, and sealing effectiveness is bad, if angle [alpha] is more than 4 °, furnace lining 6 with
The junction top of door lining 8 can also open up larger gap, influence sealing effectiveness.
Specifically, heat-insulation layer 2 includes:Fire resisting asbestos board 201, diatomite brick 202 and the lightweight being covered with successively from bottom to top
Straight brick 203, diatomite brick 202 staggeredly tile with the straight brick 203 of lightweight.The structure compared with traditional standard laying fireproof bricks mode,
Service life is obviously prolonged, and maintenance is more convenient.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (9)
1. a kind of sector gas saves annealing furnace, it is characterised in that including:
Chassis, the chassis include:Vehicle frame(1), heat-insulation layer(2)And driving mechanism(3), the driving mechanism(3)For driving
Vehicle frame(1)It is mobile,
Body of heater, the body of heater include:Body of heater furnace shell(4)And furnace lining(5), the furnace lining(5)It is arranged on body of heater furnace shell
(4)Inwall, the body of heater seal hold-down mechanism after being provided with chassis afterbody junction(6), the body of heater is connected with chassis side
Place is provided with side seal hold-down mechanism(7),
Fire door, the fire door include:Fire door furnace shell(8), door lining(9)With fire door elevating mechanism(10), the door lining
(9)It is arranged on fire door furnace shell(8)Inwall, the fire door elevating mechanism(10)With fire door furnace shell(8)Lifting furnace door is connected to, institute
State fire door furnace shell(8)With body of heater furnace shell(4)Between junction be provided with oven door sealing hold-down mechanism(11),
Middle partition door(12), the middle partition door(12)It is arranged in the middle part of body of heater, the middle partition door(12)Through stove
To furnace lining at the top of body(5)In the mounting groove of inside bottom, the body of heater furnace shell(4)With middle partition door(12)Junction is set
It is related to middle partition door(12)Symmetrical cut-off door sealing hold-down mechanism(13), the middle partition door(12)It is connected with
Partition door elevating mechanism(14),
Fume extractor, the fume extractor include:Flue(15), heat exchanger(16)And chimney(17), the flue(15)With stove
Internal portion's connection, the flue(15)Pass through heat exchanger(16)With chimney(17)It is connected,
Burner, the burner include:Burner(18), fuel conduit(19), combustion-supporting pipeline(20)And air pipe line
(22), the burner(18)Connected with furnace interior, the combustion-supporting pipeline(20)One end and combustion fan(21)Connection, the other end
With heat exchanger(16)Connection, the air pipe line(22)Both ends respectively with heat exchanger(16)And burner(18)Connection, the fuel
Pipeline(19)With burner(18)Connection,
Heating component(23), the heating component(23)It is arranged in body of heater.
A kind of 2. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:The side seal compacting machine
Structure(7)Including:Base(71), the first cylinder(72), linkage(73)And side sealing block(74), the base(71)With body of heater
Furnace shell(4)It is fixedly connected, first cylinder(72)With base(71)It is be hinged, the linkage(73)One end and the first cylinder
(72)Movable end be hinged, the other end and side sealing block(74)It is fixedly connected.
A kind of 3. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:Sealing compacting machine after described
Structure(6)Including:Fixed plate(61), movable plate(62), bearing pin(63)With rear sealing block(64), the bearing pin(63)One end is through admittedly
Fixed board(61)And be secured to connect, the other end passes through rear sealing block(64)And be slidably connected with it, the rear sealing block(64)
With movable plate(62)By being set in bearing pin(63)Outer axle sleeve(65)Connection, the movable plate(62)And fixed plate(61)Between
Provided with spring(66).
A kind of 4. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:The oven door sealing compresses
Mechanism(11)Including:With body of heater furnace shell(4)The neck being fixedly connected(111)With with fire door furnace shell(8)The fastener being fixedly connected
(112).
A kind of 5. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:The cut-off door sealing pressure
Tight mechanism(13)Including:Support block(131), the second cylinder(132)With upper sealing block(133), the support block(131)With body of heater
Furnace shell(4)It is fixedly connected, second cylinder(132)Both ends respectively with support block(131)With upper sealing block(133)Connection, with
The upper sealing block(133)One end of connection is movable end, the upper sealing block(133)With middle partition door(12)Connection.
A kind of 6. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:The fire door elevating mechanism
(10)With partition door elevating mechanism(14)Include:Column(101), gantry(102), motor cucurbit(103), movable pulley(104)、
First fixed pulley(105), the second fixed pulley(106), the 3rd fixed pulley(107)And cable wire, the column(101)With body of heater furnace shell
(4)It is fixedly connected, described gantry(102)It is arranged on column(101)Top, the motor cucurbit(103), the first fixed pulley
(105), the second fixed pulley(106)With the 3rd fixed pulley(107)It is arranged at gantry(102)On, the motor cucurbit(103)With
Movable pulley(104)Connected by cable wire, described cable wire one end and movable pulley(104)It is fixedly connected, the other end is fixed sliding through first
Wheel(105), the second fixed pulley(106)With the 3rd fixed pulley(107)With fire door or middle partition door(12)Connection.
A kind of 7. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:The body of heater furnace shell(4)
Or furnace lining(5)With door lining(9)Contact surface and fire door elevating mechanism(10)There is angle between the vertical plane of motion
α。
A kind of 8. sector gas energy-conservation annealing furnace as claimed in claim 7, it is characterised in that:The scope of the angle [alpha]
For 2-4 °.
A kind of 9. sector gas energy-conservation annealing furnace as claimed in claim 1, it is characterised in that:The heat-insulation layer(2)Bag
Include:The fire resisting asbestos board being covered with successively from bottom to top(201), diatomite brick(202)With the straight brick of lightweight(203), the diatomite
Brick(202)With the straight brick of lightweight(203)Staggeredly tile.
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Cited By (5)
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CN108707734A (en) * | 2018-06-29 | 2018-10-26 | 浙江今飞凯达轮毂股份有限公司 | Heat-treatment furnace for heat-treatable aluminum alloy workpiece |
CN108759493A (en) * | 2018-06-20 | 2018-11-06 | 山东鲁阳浩特高技术纤维有限公司 | A kind of lightweight flue shutter |
CN109897944A (en) * | 2019-03-15 | 2019-06-18 | 四川共享铸造有限公司 | Annealing furnace furnace body and its encapsulating method |
CN110564926A (en) * | 2019-08-28 | 2019-12-13 | 浙江深澳机械工程有限公司 | Trolley type annealing furnace |
CN114854980A (en) * | 2022-04-28 | 2022-08-05 | 南京长江工业炉科技集团有限公司 | Intelligent furnace temperature control system and control method for heat treatment solid melting furnace |
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CN114854980A (en) * | 2022-04-28 | 2022-08-05 | 南京长江工业炉科技集团有限公司 | Intelligent furnace temperature control system and control method for heat treatment solid melting furnace |
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