Roller system welding repair heat preservation annealing furnace system

Abstract

A furnace body opening is connected with a feeding rail car in a matched mode, a V-shaped supporting block seat for supporting a roller body is arranged on a base of the feeding rail car, an upper rail and a lower rail are arranged on the upper portion and the lower portion of a furnace body side heat preservation layer, a fixed seat and an upper sliding seat are arranged in the upper rail, and ceramic fiber cloth is fixed on the fixed seat in a roller joint mode. Ceramic fiber cloth is wound around an upper moving roller connected with an upper sliding seat in a penetrating mode, downwards wound around a lower moving roller connected with a lower sliding seat in a penetrating mode and backwards connected with a cloth roll roller, the upper sliding seat is connected with a bidirectional rope winding roller through an upper pull rope, and the lower sliding seat is forwards connected with a winding wheel controlled by a bidirectional servo motor through a lower pulley. The upper moving roller and the lower moving roller move back and forth to drive the ceramic fiber cloth to separate the inner cavity of the furnace body into the annealing cavity, the front-back length of the annealing cavity is adjusted corresponding to the feeding length of the roller body, the multiple rows of electric heating belts are selected to work according to the length of the roller body in combination with the front-back multiple rows of electric heating belts on the side wall, heating energy consumption is considered, and good annealing heat preservation performance is guaranteed.

Description

Technical Field

[0001] The invention relates to an annealing device, in particular to a roller welding repair and heat preservation annealing furnace system. Background Art

[0002] Annealing, as a metal heat treatment process, is of great significance in the casting and subsequent welding repair of metal rollers. In the existing annealing furnace structure, for rollers with larger diameters, an annealing furnace with a similar warehouse structure is usually used for annealing or insulation. The rollers are fed axially into the furnace body. Generally, in order to ensure versatility, the furnace body length is designed according to the longest dimension for rollers of different lengths. For rollers with shorter lengths, the useless length space in the furnace body is larger, which increases the energy consumption for heating and insulation, affects the effective annealing time, and the heating time is long, which is not conducive to efficient and stable heat treatment. Summary of the invention

[0003] The invention provides a roller welding repair insulation annealing furnace system which is efficient, stable, energy-saving and consumption-reducing and ensures heat treatment performance.

[0004] The technical solution adopted by the present invention is: a roller welding repair insulation annealing furnace system, including a full-length furnace body and a feeding rail car, the front end of the furnace body is open, and a sealing plate corresponding to the closed opening is arranged at the front end of the feeding rail car, and a sealing plate insulation layer is arranged on the inner wall of the sealing plate, and side insulation layers and upper insulation layers are arranged on the inner sides of the left and right side walls and the top wall of the furnace body respectively. It is characterized in that: the lower end of the furnace body has no inner wall opening, the lower end opening of the furnace body cooperates with the feeding rail car, and a lower insulation layer is arranged on the base of the feeding rail car, and the lower insulation layer cooperates with the side insulation layers of the inner walls on both sides of the furnace body. A plurality of bottom plates are arranged on the front and rear of the temperature layer, an upper step facing downward is arranged at the rear end of the front bottom plate of any two adjacent bottom plates, and a lower step facing upward to match the upper step is arranged at the front end of the rear bottom plate, and mounting hole groups are arranged at the front, middle and rear of the bottom plate, and a V-shaped support block seat for supporting the roller body is connected by screws on the mounting hole group. An upper track in the front and rear direction of the furnace body is arranged below the lower end of the upper insulation layer on the upper part of the side insulation layer, and a fixed roller is fixedly connected to the front end of the upper track corresponding to the opening position of the furnace body, an upper sliding seat is slidably arranged in the upper track, and an upper movable roller is connected to the upper sliding seat via a bearing, and the upper The sliding seat is connected to the upper pulley backwards, the upper pulley is wound with an upper pull rope, and the upper pull rope is connected to the two-way rope collection drum arranged inside or outside the rear wall of the furnace body backwards; the lower part of the side insulation layer is located above the bottom plate and a lower track in the front and rear directions of the furnace body is arranged, and the front end of the lower track corresponding to the opening position of the furnace body is penetrated by the two-way servo motor on the side wall and connected to the winding wheel arranged in the lower track, a lower sliding seat is slidably arranged in the lower track, the lower sliding seat is connected to the lower pulley forwards, the lower pull rope is wound on the lower pulley, the lower pull rope receives the winding wheel forwards, and the lower sliding seat is penetrated by a lower moving roller via a bearing, and the lower rear end of the furnace body is inside the lower part Or a cloth roll box is arranged outside, a cloth roll drum is arranged inside the cloth roll box, the cloth roll drum releases the heat insulating ceramic fiber cloth forward, which is successively rolled up from the bottom of the lower moving roller and sent upward, and rolled up from the rear of the upper moving roller and sent forward from the top to the fixed roller; a plurality of electric heating belts are embedded in the side insulation layer between the upper and lower rails, and the plurality of electric heating belts are arranged in an array of more than three in the up and down directions and in multiple rows in the front and back directions, each electric heating belt or each row of electric heating belts is independently controlled and connected, and the feeding rail car, electric heating belt, bidirectional rope collection drum, bidirectional servo motor, and cloth roll drum are externally connected to a control cabinet.

[0005] Furthermore, the lower insulation layer and the side insulation layers of the inner walls on both sides of the furnace body are in step fit, stop fit, or rib groove fit along the front-rear feeding direction of the feeding rail car.

[0006] Furthermore, the front end of the frontmost bottom plate is welded and connected to the sealing plate; or a card interface corresponding to the lower step of the front end of the frontmost bottom plate is arranged inwardly at the bottom of the sealing plate.

[0007] Furthermore, the mounting hole group is provided with at least three rows of multiple mounting holes in the left-right direction in the front-back direction of the bottom plate.

[0008] Furthermore, the upper and lower rails are sunken in the side insulation layer.

[0009] Furthermore, a fixed seat is provided in the upper track, and the fixed seat is connected to the side wall by bolt locking. The fixed seat is passed through the connecting shaft section of the outer end of the fixed roller body. The diameter of the fixed roller body is larger than the height of the upper track, the axial end of the roller body of the fixed roller is close to the side insulation layer, and the width of the heat-insulating ceramic fiber cloth on the fixed roller is equal to the length of the fixed roller body.

[0010] Furthermore, the upper sliding seat is connected to the outer end of the upper moving roller body through the shaft section, the diameter of the upper moving roller body is greater than the height of the upper track, the axial end of the roller body of the upper moving roller is in close contact with the side insulation layer, and the width of the thermal insulation ceramic fiber cloth on the upper moving roller is equal to the length of the upper moving roller body; the lower sliding seat is connected to the outer end of the lower moving roller body through the shaft section, the diameter of the lower moving roller body is greater than the height of the lower track, the axial end of the roller body of the lower moving roller is in close contact with the side insulation layer, and the width of the thermal insulation ceramic fiber cloth on the lower moving roller is equal to the length of the lower moving roller body. Furthermore, the electric heating belts in each column are arranged vertically or obliquely.

[0011] Furthermore, the upper and lower adjacent electric heating belts in each column of the electric heating belts are inclined in opposite directions.

[0012] Furthermore, the rear end of the last bottom plate is pressed against the lower insulation layer via the pressing plate and the base.

[0013] The present invention arranges a plurality of bottom plates on the lower insulation layer on the base of the feed rail car, and the bottom plates are arranged in sequence in the front-to-back direction, and a mounting hole group is arranged on the bottom plates. The multiple mounting holes in the three rows of the mounting hole group in the left-to-right direction can better select the installation of the V-shaped support block seat, so as to meet the stable support for rollers of different lengths; the overlap of the bottom plates in the front-to-back direction can effectively prevent the bottom plates from being lifted up by the load of the rollers, thereby ensuring the overall stability and structural stability and non-deformation under long-term high temperature; the upper and lower moving rollers move back and forth, thereby driving the ceramic fiber cloth to separate the furnace body cavity into an annealing cavity between the front part and the sealing plate, and the front-to-back length of the annealing cavity is adjusted according to the length of the roller body fed in, effectively avoiding the overall longer furnace body cavity from being used for annealing of short roller bodies, and combining the front and back multiple rows of electric heating belts on the side wall, according to the length of the roller body, multiple rows of electric heating belts are selected to work, taking into account the heating energy consumption, while ensuring the annealing temperature rise time and the insulation energy consumption are reduced, thereby ensuring better annealing and insulation performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the installation and use structure of multiple bottom plates on the lower insulation layer of the present invention; Figure 3 It is a schematic diagram of the applicable structure of the upper and lower moving rollers driving the ceramic fiber cloth of the present invention; Figure 4 for Figure 3 A top view of the middle and upper track area; Figure 5 for Figure 3 Medium AA view.

[0015] In the figure: furnace body 1, feeding rail car 2, sealing plate 3, sealing plate insulation layer 4, base 5, lower insulation layer 6, bottom plate 7, upper step 8, lower step 9, mounting hole 10, V-shaped support block seat 11, roller body 12, side insulation layer 13, electric heating belt 14, upper track 15, fixed seat 16, fixed roller 17, upper sliding seat 18, upper moving roller 19, upper pulley 20, upper pull rope 21, guide wheel 22, two-way rope drum 23, lower track 24, winding wheel 25, two-way servo motor 26, lower pull rope 27, lower sliding seat 28, lower pulley 29, lower moving roller 30, cloth roll drum 31, cloth roll box 32, thermal insulation ceramic fiber cloth 33. DETAILED DESCRIPTION

[0016] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] Figure 1-5 As shown: a roller welding repair insulation annealing furnace system, including a full-length furnace body 1, a feeding rail car 2, a sealing plate 3, a sealing plate insulation layer 4, a base 5, a lower insulation layer 6, a bottom plate 7, a V-shaped support block seat 11, a side insulation layer 13, an electric heating belt 14, an upper track 15, a fixed seat 16, a fixed roller 17, an upper sliding seat 18, an upper moving roller 19, an upper pulley 20, an upper pull rope 21, an upper pull rope 22, a bidirectional rope collection drum 23, a lower track 24, a winding wheel 25, a bidirectional servo motor 26, a lower pull rope 27, a lower sliding seat 28, a lower pulley 29, a lower moving roller 30, a cloth roll drum 31, a cloth roll box 32, and a thermal insulation ceramic fiber cloth 33.

[0018] like Figure 1 , 2As shown, the furnace body 1 has an opening at the front end and no inner wall opening at the lower end, and side insulation layers 13 and an upper insulation layer are respectively arranged on the inner sides of the left and right side walls and the top wall of the furnace body 1, the lower end opening of the furnace body 1 cooperates with the feeding rail car 2, and a lower insulation layer 6 is arranged on the base 5 of the feeding rail car 2, and the lower insulation layer 6 cooperates with the side insulation layers 13 of the inner walls on both sides of the furnace body 1, and multiple bottom plates 7 are arranged on the front and back of the lower insulation layer 6, and an upper step 8 facing downward is arranged at the rear end of the front bottom plate of any two adjacent bottom plates, and a lower step 9 facing upward to cooperate with the upper step is arranged at the front end of the rear bottom plate, and a mounting hole group consisting of more than three front and rear rows, with multiple mounting holes 10 in each row, is provided at the front, middle and rear of the bottom plate 7, and a V-shaped support block seat 11 for supporting the roller body 12 is screwed and locked on the mounting hole group, and a sealing plate 3 corresponding to the closed opening is arranged at the front end of the feeding rail car 2, and the first bottom plate is welded to the lower part of the sealing plate 3, and a sealing plate insulation layer 4 is arranged on the inner wall of the sealing plate 3 above the first bottom plate. A plurality of electric heating belts 14 tilted forward and backward are embedded in the side insulation layer 13. The electric heating belts 14 are divided into a plurality of columns in the front-to-back direction, with three or more electric heating belts 14 arranged in each column. Two adjacent electric heating belts 14 in each column are tilted symmetrically in the vertical direction, and each electric heating belt 14 or the electric heating belts 14 in each column are independently controlled and turned on.

[0019] like Figure 3 , 4As shown in FIG. 5 , an upper track 15 in the front-to-back direction of the furnace body is arranged at the upper part of each side insulation layer 13 and below the lower end of the upper insulation layer. A removable fixed seat 16 connected by screws is arranged in the front end of the upper track 15 corresponding to the opening position of the furnace body. The shaft ends of the roller body of a fixed roller 17 are respectively connected to the fixed seats 15 in the upper tracks 6 on both sides. The axial end surface of the roller body of the fixed roller 17 is in contact with the side insulation layer 13. An upper sliding seat 18 is slidably arranged in the upper track 15. The upper sliding seat 18 is slidably arranged in the upper track 15. 8 is connected to an upper moving roller 19 through a bearing, and the upper sliding seat 18 is connected to an upper pulley 20 at the rear, and an upper pull rope 21 is wound around the upper pulley 20, and the upper pull rope 21 is connected to a two-way rope collection drum 23 arranged outside the rear wall of the furnace body at the rear. In the drawings of this embodiment, the upper pull rope 21 after being connected to the furnace body is guided by a guide wheel 22 or a tension wheel up and down and then sent to the two-way rope collection drum 23. The guiding and tension control technology belongs to the prior art; each side insulation layer 13 is located above the bottom plate 7 and a furnace body front and rear are set The lower track 24 is arranged in the direction of the furnace body, and the front end of the lower track 24 corresponding to the opening position of the furnace body is penetrated by the bidirectional servo motor 26 on the side wall and connected to the winding wheel 25 set in the lower track 24. A lower sliding seat 28 is slidably arranged in the lower track 24, and the lower sliding seat 28 is connected to the lower pulley 29 forward. The lower pulley 29 is wound with a lower pull rope 27, and the lower pull rope 27 receives the winding wheel 25 forward. The lower sliding seat 28 is connected to a lower moving roller 30 through a bearing, and a cloth roll box 32 is arranged outside the lower rear end of the furnace body 1. The cloth roll box A cloth roll drum 31 is arranged inside 32, and the cloth roll drum 31 releases the heat insulating ceramic fiber cloth 33 forward, which is successively wound from the bottom of the lower moving roller 30 and sent upward, and is wound from the rear of the upper moving roller 19 and sent forward from the top to the fixed roller 17; in this embodiment, the connecting shafts of the upper and lower moving rollers 30 pass through the bearings, the diameter of the roller body is larger than the height of the upper and lower tracks, and the end of the roller body is in contact with the side insulation layer 13, which effectively ensures the guiding of the ceramic fiber cloth and ensures that the annealing chamber separated by the ceramic fiber cloth is better separated.

[0020] In this embodiment, the feeding rail car, the electric heating belt, the bidirectional rope collection drum, the bidirectional servo motor, and the cloth rolling drum are connected to the control cabinet.

[0021] In this embodiment, the upper and lower rails are independent structures and are sunken in the side insulation layer.

[0022] Based on this embodiment, the lower insulation layer and the side insulation layers on the inner walls of the furnace body on both sides can be designed to be stepped, stopped or ribbed along the front and rear feeding direction of the feed rail car.

[0023] Based on this embodiment, the last bottom plate of the multiple bottom plates can be pressed onto the lower insulation layer through the pressing plate pulling the base, and this technology belongs to the existing technology in the plate pressing technology.

Claims

1. A roller welding repair insulation annealing furnace system, comprising a full-length furnace body (1) and a feeding rail car (2), wherein the furnace body (1) has an opening at the front end, a sealing plate (3) corresponding to the closed opening is arranged at the front end of the feeding rail car (2), a sealing plate insulation layer (4) is arranged on the inner wall of the sealing plate (3), and side insulation layers (13) and an upper insulation layer are arranged on the inner sides of the left and right side walls and the top wall of the furnace body (1), respectively, wherein: The lower end of the furnace body (1) has no inner wall opening, and the lower end opening of the furnace body (1) cooperates with the feeding rail car (2). A lower insulation layer (6) is arranged on the base (5) of the feeding rail car (2), and the lower insulation layer (6) cooperates with the side insulation layers (13) of the inner walls on both sides of the furnace body (1). A plurality of bottom plates (7) are arranged on the front and rear of the lower insulation layer (6), and a downwardly facing upper step (8) is arranged at the rear end of the front bottom plate of any two adjacent bottom plates, and a downwardly facing lower step (9) cooperating with the upper step (8) is arranged at the front end of the rear bottom plate. The bottom plate (7) is provided with a mounting hole group at the front, middle and rear, and the mounting hole group is screwed and connected to a V-shaped support block seat (11) for supporting the roller body (12). The side The upper portion of the insulation layer (13) is located below the lower end of the upper insulation layer and is provided with an upper track (14) in the front-to-back direction of the furnace body; the upper track (15) is fixedly connected to a fixed roller (17) at the front end corresponding to the opening position of the furnace body (1); an upper sliding seat (18) is slidably provided in the upper track (15); an upper movable roller (19) is connected to the upper sliding seat (18) via a bearing; the upper sliding seat (18) is connected to an upper pulley (20) toward the rear; an upper pull rope (21) is wound around the upper pulley (20); the upper pull rope (21) is connected to a bidirectional rope collection drum (23) arranged inside or outside the rear wall of the furnace body (1) toward the rear; the lower portion of the side insulation layer (13) is located above the bottom plate (7) and is provided with a front-to-back direction of the furnace body (1) The lower track (24) is provided in a direction, and the front end of the lower track (24) corresponding to the opening position of the furnace body (1) is penetrated by a bidirectional servo motor (26) on the side wall and connected to a reel (25) arranged in the lower track (24). A lower sliding seat (28) is slidably arranged in the lower track (24), and the lower sliding seat (28) is connected to a lower pulley (29) facing forward, and a lower pull rope (27) is wound around the lower pulley (29), and the lower pull rope (27) receives the reel (25) facing forward, and a lower moving roller (30) is penetrated on the lower sliding seat (28) through a bearing, and a cloth roll box (32) is arranged inside or outside the lower rear end of the furnace body (1), and a cloth roll drum (31) is arranged in the cloth roll box (32), and the cloth roll drum (31) faces The front-released heat-insulating ceramic fiber cloth (33) is sequentially wound from the bottom of the lower moving roller (30) and then sent upward, and is wound from the rear of the upper moving roller (19) and then sent forward from the top to the fixed roller (17); a plurality of electric heating belts (14) are embedded in the side insulation layer (13) between the upper and lower rails (15, 24), and the plurality of electric heating belts (14) are arranged in an array of more than three in the up-down direction and multiple rows in the front-back direction, and each electric heating belt (14) or each row of electric heating belts (14) is independently controlled and connected, and the feeding rail car (2), the electric heating belt (14), the bidirectional rope collection drum (22), the bidirectional servo motor (26), and the cloth rolling drum (31) are externally connected to a control cabinet.

2. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: The lower insulation layer (6) and the side insulation layers (13) of the inner walls on both sides of the furnace body (1) are in step fit, stop fit, or rib groove fit along the front-rear feeding direction of the feeding track vehicle (2).

3. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: The front end of the frontmost bottom plate (7) is welded to the sealing plate (3); or a card interface corresponding to the lower step of the front end of the frontmost bottom plate is provided inwardly at the bottom of the sealing plate.

4. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: The mounting hole group is provided with at least three rows of multiple mounting holes (10) in the left-right direction in the front-back direction of the bottom plate (7).

5. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: The upper and lower rails (15, 24) are sunken in the side insulation layer (13).

6. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: A fixing seat (16) is provided inside the upper track (15), the fixing seat (16) being connected to the side wall by bolt locking, a connecting shaft section of the outer end of the roller body of the fixed roller (17) passing through the fixing seat (16), the diameter of the roller body of the fixed roller (17) being larger than the height of the upper track (15), the axial end of the roller body of the fixed roller (17) being in close contact with the side thermal insulation layer (13), and the width of the thermal insulation ceramic fiber cloth (33) on the fixed roller (17) being equal to the length of the roller body of the fixed roller (17).

7. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: The upper sliding seat (18) is connected to a shaft section at the outer end of the roller body of the upper moving roller (19); the diameter of the roller body of the upper moving roller (19) is greater than the height of the upper track (15); the axial end of the roller body of the upper moving roller (19) is in close contact with the side insulation layer (13); and the width of the heat insulating ceramic fiber cloth (33) on the upper moving roller (19) is equal to the length of the roller body of the upper moving roller (19); the lower sliding seat (24) is connected to a shaft section at the outer end of the roller body of the lower moving roller (30); the diameter of the roller body of the lower moving roller (30) is greater than the height of the lower track (24); the axial end of the roller body of the lower moving roller (30) is in close contact with the side insulation layer (13); and the width of the heat insulating ceramic fiber cloth (33) on the lower moving roller (30) is equal to the length of the roller body of the lower moving roller (30).

8. The roller welding repair insulation annealing furnace system according to claim 1 is characterized by: The electric heating belts (14) in each column are arranged vertically or obliquely.

9. A roller welding repair insulation annealing furnace system according to claim 1 or 8, characterized in that: The upper and lower adjacent electric heating belts in each row of electric heating belts (14) are inclined in opposite directions.

10. The roller welding repair insulation annealing furnace system according to claim 1, characterized in that: The rear end of the last bottom plate (7) is pressed tightly onto the lower insulation layer (6) via a pressing plate and a base.

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