CN111521006B - Industrial heating furnace walking beam capable of eliminating black marks at bottom of billet - Google Patents
Industrial heating furnace walking beam capable of eliminating black marks at bottom of billet Download PDFInfo
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- CN111521006B CN111521006B CN202010390953.9A CN202010390953A CN111521006B CN 111521006 B CN111521006 B CN 111521006B CN 202010390953 A CN202010390953 A CN 202010390953A CN 111521006 B CN111521006 B CN 111521006B
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- fixed
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- furnace body
- walking beam
- billet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/201—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace walking beam furnace
- F27B9/202—Conveyor mechanisms therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/22—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace on rails, e.g. under the action of scrapers or pushers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention belongs to the technical field of heating furnaces, and particularly relates to an industrial heating furnace walking beam capable of eliminating black marks at the bottom of a billet, aiming at the problem that the bottom of the billet can generate the black marks as the existing walking beam contacts with the same place at the bottom of the billet each time when in use, the invention provides the following scheme. The special movable beam and the special fixed beam are arranged, so that the contact area and the contact time between the lower surface of the blank body and the walking beam are reduced, and the two modes are switched to reduce the generation of black marks.
Description
Technical Field
The invention relates to the technical field of heating furnaces, in particular to an industrial heating furnace walking beam capable of eliminating black marks at the bottom of a billet.
Background
The steel rolling heating furnace mainly comprises a walking beam type heating furnace and a push type heating furnace. Walking beam formula heating furnace can realize two-sided heating from top to bottom to the batching, compares with pushing away steel formula heating furnace, and its advantage is: the material conveying is flexible, and all furnace burden can be discharged out of the furnace when necessary; the ingredients are broken at intervals, so that the ingredients can be quickly and uniformly heated; the faults of arch steel and sticky steel heated by the pusher furnace are completely eliminated, so that the length of the walking beam type heating furnace is not limited by the factors, and the rolling mill for rolling pipes and bars is enlarged. In turn, the large size of the mill has led to the widespread use of walking beam furnaces.
The stepping beam for the heating furnace disclosed by the retrieved Chinese patent No. CN201820868622.X comprises a stepping beam body, wherein the stepping beam body comprises an upper beam, a supporting beam connected with the upper beam and a lower beam connected with the supporting beam, the upper beam, the supporting beam and the lower beam form an I-shaped structure, the stepping beam body further comprises a cooling water pipe, a heat insulation fiber layer arranged on the outer surface of the cooling water pipe, an anti-sticking slag coating arranged above the heat insulation fiber layer and a refractory material layer arranged between the heat insulation fiber layer and the anti-sticking slag coating, and the heat insulation fiber layer is arranged on the outer surface of the cooling water pipe in the stepping beam with the I-shaped structure; however, the walking beam contacts the same position of the bottom of the blank every time when in use, so that the bottom of the blank generates black marks, namely uneven heating, and the uniformity of the performance of the steel is influenced.
Disclosure of Invention
Based on the technical problem that the bottom of a billet can generate black marks because the existing walking beam can be contacted with the same place of the bottom of the billet every time when in use, the invention provides the walking beam of the industrial heating furnace, which can eliminate the black marks at the bottom of the billet.
The invention provides an industrial heating furnace walking beam capable of eliminating black marks at the bottom of a billet, which comprises a furnace body with a cavity in a cuboid structure, wherein driving boxes are arranged on the inner wall of the bottom of the furnace body close to two sides, moving beams are distributed at equal intervals on the top ends of the driving boxes, guide rails with opposite openings are respectively fixed on the inner walls of two opposite sides of the furnace body close to two ends of the moving beams, fixed beams distributed at equal intervals are connected between the two guide rails in a sliding manner, L-shaped support columns are fixed on the lower surface of each fixed beam close to two ends, a same transmission rod is fixed between the L-shaped support columns in the same guide rail, bearing clamping plates are fixed on the bottom of each guide rail close to two ends, sliding bearings matched with the transmission rods are clamped in the middles of the bearing clamping plates, a same connecting rod is fixed between the ends of the two transmission rods, and a fixed block is fixed in the middle of the connecting rod, and a cam mandril mechanism is arranged at the end part of the outer wall of the furnace body, which is close to the two transmission rods.
As a preferable scheme in the invention, equal-height roller ways are arranged on the outer walls of two sides of the furnace body opposite to each other, and outlets are arranged on the furnace body close to the roller ways.
As a preferable scheme in the invention, the bottom ends of the L-shaped supporting columns are all provided with roller grooves, and rollers are arranged in the roller grooves.
As a preferable scheme in the invention, mounting holes are formed in the upper surface of the fixed beam and distributed at equal intervals, and supporting wheels are arranged in the mounting holes.
As the preferable scheme in the invention, the upper surface of the fixed beam is provided with the fire grooves which are distributed equidistantly and are close to the edges of the two sides.
As the preferable scheme of the invention, the cam mandril mechanism comprises a speed reducer, a wheel disc and a connecting rod which are fixed on the outer wall of the furnace body, two hinged plates are arranged on the surface of the fixed block, and the end part of the connecting rod is rotatably connected between the two hinged plates.
As a preferable scheme in the present invention, the top end of the movable beam is fixed with bumps distributed equidistantly, and the bumps have a prismatic structure.
As a preferable scheme in the invention, mounting grooves are reserved on the upper surface of the movable beam close to the edges of the two sides, and spray pipes are fixed in the two mounting grooves through bolts.
As the preferable scheme in the invention, the surface of each spray pipe is inserted with spray heads distributed equidistantly, and the central line of each spray head forms an included angle of 45 degrees with the horizontal plane.
The beneficial effects of the invention are as follows:
1. this kind of can eliminate industry heating furnace walking beam of steel billet bottom black mark through what set up can the wobbling decide the roof beam to can drive through the operation of cam ejector pin mechanism when using and decide the roof beam and swing, and then can change the position of deciding the roof beam when the walking beam holds up the blank body, with the contact position of changing next time and blank body, reduce the long-term upper surface area of contact with deciding the roof beam of blank body lower surface.
2. This kind of can eliminate industry heating furnace walking beam of steel billet bottom black mark is close to the fire groove of both sides through setting up at deciding the roof beam upper surface to can be when using, when the upper surface of deciding the roof beam is taken to the blank body, the fire in the furnace body can be followed the below of direct action at the blank body in the fire groove, heats the bottom of blank as far as possible, reduces the uneven phenomenon appearance of heating of blank.
3. This kind of can eliminate industry heating furnace walking beam of steel billet bottom black mark through setting up the shower nozzle of inserting to one side on the spray tube of walking beam both sides and the spray tube to can be when using, jetting air current in can following the trend to the fire trough, in order to introduce the fire trough, improve heating efficiency.
The device has the advantages that the structure is simple, the contact area and the contact time between the lower surface of the blank body and the walking beam are reduced, and the two modes are switched to reduce the generation of black marks.
Drawings
FIG. 1 is a schematic cross-sectional view of a walking beam of an industrial heating furnace capable of eliminating black marks on the bottom of a billet according to the present invention;
FIG. 2 is a schematic view of an assembly structure of a walking beam fixed beam of an industrial heating furnace capable of eliminating black marks at the bottom of a billet, which is provided by the invention;
FIG. 3 is an enlarged schematic structural view of a walking beam A of an industrial heating furnace capable of eliminating black marks at the bottom of a billet according to the present invention;
FIG. 4 is an enlarged schematic structural diagram of a walking beam B of the industrial heating furnace capable of eliminating the black mark on the bottom of the billet steel according to the present invention;
fig. 5 is a schematic perspective view of a walking beam of an industrial heating furnace capable of eliminating black marks on the bottom of a billet in embodiment 2 of the present invention.
In the figure: the device comprises a furnace body 1, a movable beam 2, a 201 installation groove, a 202 spray pipe, a 203 spray head, a 3 driving device, a 4 roller groove, a 5 guide rail, a 6 roller, a 7 roller way, a 8 transmission rod, a 9 supporting wheel, a 901 roller shaft, a 10 blank body, a 11 fixed beam, a 1101 installation hole, a 1102 fire groove, a 12L-shaped supporting column, a 13 convex block, a 14 hinged plate, a 15 bearing clamping plate, a 16 sliding bearing, a 17 fixed block, an 18 speed reducer, a 19 connecting rod and a 20 wheel disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, an industrial heating furnace walking beam capable of eliminating black marks at the bottom of a billet comprises a furnace body 1 with a cavity in a cuboid structure, driving boxes 3 are arranged on the inner wall of the bottom of the furnace body 1 close to two sides, moving beams 2 are arranged on the top ends of the driving boxes 3 at equal intervals, guide rails 5 with opposite openings are respectively fixed on the inner walls of two opposite sides of the furnace body 1 close to two ends of the moving beams 2, fixed beams 11 with equal intervals are connected between the two guide rails 5 in a sliding manner, L-shaped support columns 12 are fixed on the lower surface of the fixed beam 11 close to two ends, a same transmission rod 8 is fixed between the L-shaped support columns 12 in the same guide rail 5, bearing clamping plates 15 are fixed on the bottoms of the guide rails 5 close to two ends, sliding bearings 16 matched with the transmission rods 8 are clamped in the middles of the bearing clamping plates 15, and a same connecting rod is fixed between the end parts of the two transmission rods 8, the middle part of connecting rod is fixed with fixed block 17, and the tip that the outer wall of furnace body 1 is close to two transfer lines 8 is provided with cam ejector pin mechanism to can drive through cam ejector pin mechanism's operation when using and decide roof beam 11 and swing, and then can change the position of deciding roof beam 11 when the walking beam 2 holds up blank body 10, with the contact position who changes next time and blank body 10, reduce the long-term upper surface area of contact with deciding roof beam 11 of blank body 10 lower surface.
In the invention, roller ways 7 with equal height are arranged on the outer walls of two sides of the furnace body 1 opposite to each other, and outlets are arranged on the furnace body 1 close to the roller ways 7.
Wherein, the bottom of the L-shaped support column 12 is provided with a roller groove 4, and a roller 6 is arranged in the roller groove 4.
Wherein, the upper surface of the fixed beam 11 is provided with mounting holes 1101 distributed at equal intervals, and the mounting holes 1101 are all provided with supporting wheels 9, so that when the blank body 10 falls on the upper surface of the fixed beam 11 in use, the contact position can be rapidly switched along with the swing of the fixed beam 11, and the black mark area is reduced.
The upper surface of the fixed beam 11 is provided with the fire grooves 1102 which are distributed equidistantly and close to the edges of the two sides, so that when the furnace body is used and the blank body 10 is lapped on the upper surface of the fixed beam 11, fire in the furnace body 1 can directly act below the blank body 10 from the fire grooves 1102, the bottom of the blank is heated as far as possible, and the phenomenon that the blank is not uniformly heated is reduced.
The cam mandril mechanism comprises a speed reducer 18 fixed on the outer wall of the furnace body 1, a wheel disc 20 and a connecting rod 19, two hinged plates 14 are arranged on the surface of the fixed block 17, and the end part of the connecting rod 19 is rotatably connected between the two hinged plates 14.
The top end of the movable beam 2 is fixed with the lugs 13 which are distributed equidistantly, and the lugs 13 are in a prism structure, so that the contact area between the lower surface of the movable beam 2 and the blank body 10 can be reduced.
Wherein, the upper surface of walking beam 2 is close to both sides edge and all has reserved mounting groove 201, and all has spray tube 202 through the bolt fastening in two mounting grooves 201.
The working principle is as follows: when the furnace body is used, when the blank body 10 is conveyed to the interior of the furnace body 1 through the roller way 7, the driving device 3 is started to drive the walking beam mechanism to operate, and at the moment, the blank body 10 is lifted to be above the two fixed beams 11 and operates one step by one step; then, the speed reducer 18 is started, the fixed beam 11 is driven to swing through the operation of the cam ejector rod mechanism, and further the position of the fixed beam 11 can be changed when the blank body 10 is lifted by the movable beam 2, so that the contact position of the blank body 10 is changed next time, and the contact area between the lower surface of the blank body 10 and the upper surface of the fixed beam 11 for a long time is reduced; when the blank body 10 is lapped on the upper surface of the fixed beam 11, the fire in the furnace body 1 can directly act on the lower part of the blank body 10 from the fire chute 1102, so that the bottom of the blank is heated as much as possible, and the phenomenon of uneven heating of the blank is reduced.
Example 2
Referring to fig. 1 and 5, in this embodiment, compared with embodiment 1, the walking beam of the industrial heating furnace capable of eliminating the black mark at the bottom of the billet further includes spray heads 203 inserted on the surfaces of the spray pipes 202 and distributed at equal intervals, and the central lines of the spray heads 203 form an included angle of 45 degrees with the horizontal plane.
The working principle is as follows: in use, a flow of air can be blown into the fire slot 1102 to draw a fire into the fire slot 1102 to increase the heating efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. The utility model provides a can eliminate industry heating furnace walking beam of steel billet bottom black mark, establishes furnace body (1) that the cavity is the cuboid structure in including, the bottom inner wall of furnace body (1) is close to both sides and all is provided with drive case (3), and the top of drive case (3) is provided with movable beam (2) that the equidistance distributes, and the both ends punishment that furnace body (1) relative both sides inner wall is close to movable beam (2) do not is fixed with guided way (5) that the opening is relative, a serial communication port, two sliding connection has fixed beam (11) that the equidistance distributes between guided way (5), and the lower surface of fixed beam (11) is close to both ends and all is fixed with L shape support column (12), is fixed with same root transfer line (8) between L shape support column (12) in same root guided way (5), and the tank bottom of guided way (5) is close to both ends and all is fixed with bearing cardboard (15), the equal joint in the centre of bearing cardboard (15) has slide bearing (16) with transfer line (8) looks adaptation ) A same connecting rod is fixed between the end parts of the two transmission rods (8), a fixing block (17) is fixed in the middle of the connecting rod, cam mandril mechanisms are arranged at the end parts, close to the two transmission rods (8), of the outer wall of the furnace body (1), roller ways (7) with equal heights are arranged on the outer walls of the two opposite sides of the furnace body (1), outlets are formed in the positions, close to the roller ways (7), of the furnace body (1), roller grooves (4) are formed in the bottom ends of the L-shaped support columns (12), rollers (6) are arranged in the roller grooves (4), mounting holes (1101) distributed at equal intervals are formed in the upper surface of the fixed beam (11), support wheels (9) are arranged in the mounting holes (1101), fire grooves (1102) distributed at equal intervals are formed in the positions, close to the edges of the two sides, of the upper surface of the fixed beam (11), and the cam mandril mechanisms comprise speed reducers (18) and fixed on the outer wall of the furnace body (1), Rim plate (20) and connecting rod (19), the surface of fixed block (17) is provided with two articulated slab (14), and the tip of connecting rod (19) rotates to be connected between two articulated slab (14), the top of walking beam (2) is fixed with equidistance distribution's lug (13), and lug (13) are prismatic structure, the upper surface of walking beam (2) is close to both sides edge and all reserves mounting groove (201), and all has spray tube (202) through the bolt fastening in two mounting grooves (201), the surface of spray tube (202) is all pegged graft and is had equidistance distribution's shower nozzle (203), and 45 degrees contained angles are personally submitted with the level to the central line of shower nozzle (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390953.9A CN111521006B (en) | 2020-05-11 | 2020-05-11 | Industrial heating furnace walking beam capable of eliminating black marks at bottom of billet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010390953.9A CN111521006B (en) | 2020-05-11 | 2020-05-11 | Industrial heating furnace walking beam capable of eliminating black marks at bottom of billet |
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| CN111521006A CN111521006A (en) | 2020-08-11 |
| CN111521006B true CN111521006B (en) | 2022-06-17 |
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| CN202010390953.9A Active CN111521006B (en) | 2020-05-11 | 2020-05-11 | Industrial heating furnace walking beam capable of eliminating black marks at bottom of billet |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071385Y (en) * | 2007-07-30 | 2008-06-11 | 济南钢铁股份有限公司 | Insertion type slide track of steel pulling slab heating furnace |
| CN102135378A (en) * | 2011-02-21 | 2011-07-27 | 中冶南方(武汉)威仕工业炉有限公司 | Staggering method for supporting beams in walking-beam type heating furnace |
| CN103103337A (en) * | 2013-02-21 | 2013-05-15 | 武汉钢铁(集团)公司 | Method for decreasing walking beam heating furnace steel billet water beam black mark |
| CN109694945A (en) * | 2019-02-21 | 2019-04-30 | 石家庄鹏远自动化工程技术有限公司 | The black print removing method of steel billet |
| CN210374483U (en) * | 2019-09-11 | 2020-04-21 | 惠州市聚鑫源实业有限公司 | Lithium cell raw materials for production drying device |
-
2020
- 2020-05-11 CN CN202010390953.9A patent/CN111521006B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201071385Y (en) * | 2007-07-30 | 2008-06-11 | 济南钢铁股份有限公司 | Insertion type slide track of steel pulling slab heating furnace |
| CN102135378A (en) * | 2011-02-21 | 2011-07-27 | 中冶南方(武汉)威仕工业炉有限公司 | Staggering method for supporting beams in walking-beam type heating furnace |
| CN103103337A (en) * | 2013-02-21 | 2013-05-15 | 武汉钢铁(集团)公司 | Method for decreasing walking beam heating furnace steel billet water beam black mark |
| CN109694945A (en) * | 2019-02-21 | 2019-04-30 | 石家庄鹏远自动化工程技术有限公司 | The black print removing method of steel billet |
| CN210374483U (en) * | 2019-09-11 | 2020-04-21 | 惠州市聚鑫源实业有限公司 | Lithium cell raw materials for production drying device |
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| CN111521006A (en) | 2020-08-11 |
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Effective date of registration: 20220527 Address after: 150000 17 km away from 1345 Airport Road, Daoli District, Harbin City, Heilongjiang Province Applicant after: Harbin North Furnace Manufacturing Co.,Ltd. Address before: 233500 house 3, No. 48, wangyoufang village, laowangwei village, Licang Town, Mengcheng County, Bozhou City, Anhui Province Applicant before: Wang Yi |
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