A tunnel kiln roasting thermal device and system

Abstract

The invention discloses a tunnel kiln roasting thermal device and system, comprising a fixed guide frame, a tunnel kiln, a driving device, a swinging device, a tractor and a scraping device. A traction groove is provided inside the fixed guide frame, and driving devices and swinging devices are provided at both ends of the traction groove. The driving device is connected with the swinging device, and a tractor is driven on the driving device. Compared with the prior art, the scheme does not require manual operation to push the tractor for operation, thereby saving a lot of manpower and improving efficiency. The sliding sleeve arranged at the end of the rotating rod is sleeved on the steel wire rope, thereby driving the steel wire rope to move back and forth on the winding rod, thereby avoiding the problem of not being able to be evenly wound on the winding rod. When the tunnel kiln returns to room temperature, the scraping rod is moved so that it can contact the inner wall of the tunnel kiln. At this time, the tractor moves to the inside of the tunnel kiln, so that the scraping rod scrapes off the carbon slag on the inside of the tunnel kiln to achieve the purpose.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel kilns, in particular to a tunnel kiln baking thermal device and system. Background Art

[0002] Tunnel kiln is a tunnel-like kiln built of refractory materials, thermal insulation materials and building materials, equipped with kiln cars and other vehicles. It is a modern continuous firing thermal equipment. Tunnel kiln is widely used in the roasting production of ceramic products, and is also used in metallurgical industries such as abrasives. The loading method of tunnel kilns is generally to provide a transverse guide rail at the entrance and exit, and a tractor is movably arranged on the transverse guide rail. In the prior art, the tractor is mostly pushed by hand, and the weight of the tractor fully loaded with goods is very large, so the labor intensity imposed on the workers is large, which is troublesome and laborious, and cannot meet the needs of mass production. For this reason, we provide a tunnel kiln roasting thermal device and system to solve the problems raised in the above background technology. Summary of the invention

[0003] The object of the present invention can be achieved by the following technical scheme: a tunnel kiln roasting thermal device, comprising a fixed guide frame, a tunnel kiln, a driving device, a swinging device and a tractor, wherein a traction groove is provided inside the fixed guide frame, a driving device and a swinging device are provided at both ends of the traction groove, the driving device is connected to the swinging device, a tractor is driven by the driving device, a scraping device is provided on the tractor, a tunnel kiln is provided on the fixed guide frame, and the scraping device is attached to the inner wall of the tunnel kiln;

[0004] The driving device comprises a driving motor, a fixing plate and a steel wire rope. The driving motor is arranged on the fixing plate, and the fixing plate is arranged inside the traction groove. A winding rod is rotatably arranged at the output end of the driving motor. One end of the winding rod passes through the fixing plate, and a steel wire rope is wound around the outer side of the winding rod. A push plate is welded on the steel wire rope. A chassis is welded on the lower surface of the tractor, and a baffle is welded on the middle part of the chassis. The push plate pushes the baffle to move.

[0005] The swing device includes a rotating motor, a guide block, a vertical pole, a support rod and a rotating rod. The lower end of the rotating motor and the vertical pole are connected to the traction groove, the vertical pole is welded with a support rod, the output end of the rotating motor passes through the end of the support rod and is provided with a swing rod, the end of the swing rod is rotatably provided with a guide block, the guide block is movably clamped on the rotating rod, the end of the rotating rod is rotatably connected to the upper end of the vertical pole, the end of the rotating rod is welded with a sliding sleeve, and the wire rope passes through the sliding sleeve.

[0006] Preferably, a slide groove is provided on the fixed guide frame, and a symmetrically distributed side plate is provided on the lower surface of the tractor. A pulley is rotatably provided on the side plate, and the pulley is slidably arranged inside the slide groove.

[0007] Preferably, the interior of the fixed guide frame is provided with symmetrically distributed support plates, the ends of the support plates are welded with guide plates, the guide plates are provided with guide grooves, and the steel wire ropes pass through the guide grooves.

[0008] Preferably, a fixing rod is vertically provided at the end of the swing arm, the upper end of the fixing rod is rotatably connected to the guide block, an end block is welded to the end of the support rod, and the rotating motor is arranged on the lower surface of the end block, and its output shaft passes through the end block.

[0009] Preferably, a collar is welded to the end of the rotating rod, a support ring is welded to the upper end of the vertical rod, and the collar is sleeved on the vertical rod and in contact with the support ring.

[0010] Preferably, the scraper device includes a mounting seat, a threaded rod, a movable block, a slide rail, a movable plate and a scraper rod. The mounting seat is arranged on a tractor, a threaded rod is threadedly inserted on the mounting seat, a movable block is movably provided at the lower end of the threaded rod, a movable block is rotatably provided on the movable block, one end of the movable rod is rotatably connected to the movable plate; the slide rail is arranged on the mounting seat, the movable plate is movably connected to the slide rail, a scraper rod is provided on one side of the movable plate, and when the movable plate moves to the end of the slide rail, the scraper rod contacts the inner wall of the tunnel kiln.

[0011] Preferably, a bearing is fixed on the upper surface of the movable block, and the lower end of the threaded rod is rotatably inserted inside the bearing; a connecting plate is fixed on the upper surface of the movable plate, a connecting block is provided on the inner side of the connecting plate, a slide rail is slidably arranged on the inner side of the connecting plate, and the connecting block is movably arranged on the slide rail.

[0012] A tunnel kiln roasting thermal system comprises the following steps:

[0013] Step 1: Preheating: gradually increase the internal temperature of the tunnel kiln to 1000° and keep it at a constant temperature;

[0014] Step 2: Loading: stack the bricks to be fired on the tractor in sequence, and use a dryer to dry the whole bricks to prevent moisture from getting on some of the bricks;

[0015] Step 3: Firing: Start the driving device and drive the tractor to move until the tractor is completely located inside the tunnel kiln for firing. The brick bodies that have just entered the tunnel kiln are in contact with the smoke generated by the combustion of fuel in the firing zone and are gradually heated. The duration is 5 hours, and the preheating process of the brick bodies is completed. After that, the temperature is increased to 1350°. The brick bodies reach the required maximum firing temperature with the help of the heat released by the combustion of fuel, and the firing process of the brick bodies is completed.

[0016] Step 4: Cooling: Start another driving device to pull the tractor from the end of the tunnel kiln. At this time, the temperature of the tunnel kiln is reduced to room temperature, and a large amount of cold air is blown into the tail of the tunnel kiln to achieve heat exchange with the bricks and complete the cooling process.

[0017] Beneficial effects of the present invention:

[0018] 1. Compared with the existing technology, this solution does not require manual operation to push the tractor, thus saving a lot of manpower and improving efficiency;

[0019] 2. The rotating motor drives the guide block to rotate, thereby driving the rotating rod to rotate. The sliding sleeve arranged at the end of the rotating rod is arranged on the wire rope, thereby driving the wire rope to move back and forth on the winding rod, thereby avoiding the problem of not being able to be evenly wound on the winding rod;

[0020] 3. When the tunnel kiln returns to room temperature, move the scraper rod so that it can contact the inner wall of the tunnel kiln. At this time, the tractor moves to the inside of the tunnel kiln, so that the scraper rod can scrape off the carbon slag on the inside of the tunnel kiln to achieve the purpose. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a schematic diagram of the structure of the present invention;

[0023] Figure 2 is a schematic diagram of the driving device of the present invention;

[0024] Figure 3 It is a schematic diagram of the swing device of the present invention;

[0025] Figure 4 is a schematic diagram of a tractor of the present invention;

[0026] Figure 5 It is a schematic diagram of the scraping device of the present invention.

[0027] In the figure: 1 fixed guide frame, 11 slide groove, 12 support plate, 13 guide plate, 131 guide groove, 2 tunnel kiln, 3 driving device, 31 fixed plate, 32 driving motor, 33 winding rod, 331 top plate, 34 wire rope, 341 push plate, 4 swing device, 41 rotating motor, 42 swing rod, 421 fixed rod, 43 guide block, 44 support rod, 441 end block, 45 rotating rod, 451 collar, 452 sliding sleeve, 46 vertical rod, 5 tractor, 51 bottom frame, 511 baffle, 52 side plate, 53 pulley, 6 scraper device, 61 mounting seat, 62 threaded rod, 63 movable block, 631 movable rod, 64 slide rail, 65 movable plate, 651 connecting plate, 652 connecting block, 66 scraper rod. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See also Figure 1-5 The present invention provides a technical solution: a tunnel kiln roasting thermal device, comprising a fixed guide frame 1, a tunnel kiln 2, a driving device 3, a swinging device 4 and a tractor 5, a traction groove is provided inside the fixed guide frame 1, both ends of the traction groove are provided with a driving device 3 and a swinging device 4, the driving device 3 is connected to the swinging device 4, the driving device 3 drives a tractor 5, the tractor 5 is provided with a scraper device 6, the fixed guide frame 1 is provided with a tunnel kiln 2, and the scraper device 6 is attached to the inner wall of the tunnel kiln 2;

[0030] The driving device 3 includes a driving motor 32, a fixing plate 31 and a steel wire rope 34. The driving motor 32 is arranged on the fixing plate 31. The cross-sectional shape of the fixing plate 31 is "T"-shaped, and its two ends are respectively connected to the bottom and side wall of the traction groove. The fixing plate 31 is arranged inside the traction groove. A winding rod 33 is rotatably provided at the output end of the driving motor 32. One end of the winding rod 33 passes through the fixing plate 31, and the steel wire rope 34 is wound on the outer side thereof. A top plate 331 is welded to the end of the winding rod 33. It is used to prevent the steel wire rope 34 from falling off when it is wound around the end of the winding rod 33; a push plate 341 is welded on the steel wire rope 34, and there are two push plates 341, which are located at both ends of the tractor 5 in the same plane, and a base frame 51 is welded on the lower surface of the tractor 5, and a baffle 511 is welded in the middle of the base frame 51. The push plate 341 pushes the baffle 511 to move, so when the steel wire rope 34 moves, the push plate 341 moves at the same time and pushes the base frame 51 to move, thereby achieving the purpose of pushing the tractor 5;

[0031] The swing device 4 includes a rotating motor 41, a guide block 43, a vertical rod 46, a support rod 44 and a rotating rod 45. The lower ends of the rotating motor 41 and the vertical rod 46 are connected to the traction groove. The support rod 44 is welded on the vertical rod 46. The output end of the rotating motor 41 passes through the end of the support rod 44 and is provided with a swing rod 42. The end of the swing rod 42 is rotatably provided with a guide block 43. The guide block 43 is movably clamped on the rotating rod 45. The end of the rotating rod 45 is rotatably connected to the upper end of the vertical rod 46. The end of the rotating rod 45 is welded with a sliding sleeve 452. The wire rope 34 passes through the sliding sleeve 452. When it is necessary to burn bricks, the driving motor 32 at one end of the fixed frame 1 is started, and the driving motor 32 drives the winding rod 33 to rotate, and the wire rope 34 located in the traction groove is rotated. 4 is wound, at which time the tractor 5 moves forward until it enters the interior of the tunnel kiln 2 and performs firing. When the firing is finished, the driving motor 32 at the other end of the fixed frame 1 is started and the tractor 5 is pulled out to complete the firing. Compared with the prior art, the present solution does not require manual operation to push the tractor 5, thereby saving a lot of manpower and improving efficiency. In addition, when the steel wire rope 34 is wound, the rotating motor 41 is started, and the rotating motor 41 drives the guide block 43 to rotate, thereby driving the rotating rod 45 to rotate. The sliding sleeve 452 provided at the end of the rotating rod 45 is sleeved on the steel wire rope 34, thereby driving the steel wire rope 34 to move back and forth on the winding rod 33, thereby avoiding the problem of not being able to be evenly wound on the winding rod 33.

[0032] A slide groove 11 is provided on the fixed guide frame 1 , and a symmetrically distributed side plate 52 is provided on the lower surface of the tractor 5 . A pulley 53 is rotatably provided on the side plate 52 , and the pulley 53 is slidably arranged inside the slide groove 11 .

[0033] The interior of the fixed guide frame 1 is provided with symmetrically distributed support plates 12, and the ends of the support plates 12 are welded with guide plates 13. The guide plates 13 are provided with guide grooves 131, and the steel wire rope 34 passes through the guide grooves 131 to guide the direction of the steel wire rope 34 to avoid winding.

[0034] A fixing rod 421 is vertically provided at the end of the swing rod 42, and the upper end of the fixing rod 421 is rotatably connected to the guide block 43. When the guide block 43 swings, it can drive one end of the rotating rod 45 to rotate. An end block 441 is welded to the end of the support rod 44. The rotating motor 41 is arranged on the lower surface of the end block 441, and its output shaft passes through the end block 441.

[0035] A collar 451 is welded to the end of the rotating rod 45 , a supporting ring is welded to the upper end of the vertical rod 46 , and the collar 451 is sleeved on the vertical rod 46 and in contact with the supporting ring.

[0036] The scraper device 6 includes a mounting seat 61, a threaded rod 62, a movable block 63, a slide rail 64, a movable plate 65 and a scraper rod 66. The mounting seat 61 is arranged on the tractor 5. The threaded rod 62 is threadedly inserted on the mounting seat 61. The lower end of the threaded rod 62 is movably provided with a movable block 63. The movable block 63 is rotatably provided with a movable rod 631. One end of the movable rod 631 is rotatably connected to the movable plate 65. The slide rail 64 is arranged on the mounting seat 61. The movable plate 65 is movably connected to the slide rail 64. A scraper rod 66 is provided on one side of the movable plate 65. When the movable plate 6 When the scraper rod 66 moves to the end of the slide rail 64, the scraper rod 66 contacts the inner wall of the tunnel kiln 2. After long-term use, the inner wall of the tunnel kiln 2 will be adhered to many carbon slags from bricks. If they are not removed in time, the roasting thermal effect of the tunnel kiln 2 will be greatly affected. Therefore, the scraper rod is designed in this solution. When the tunnel kiln 2 returns to room temperature, the scraper rod 66 is moved to contact the inner wall of the tunnel kiln 2. At this time, the tractor 5 moves to the inside of the tunnel kiln 2, so that the scraper rod 66 scrapes off the carbon slag on the inside of the tunnel kiln 2 to achieve the purpose.

[0037] A bearing is fixed on the upper surface of the movable block 63, and the lower end of the threaded rod 62 is rotatably inserted inside the bearing; a connecting plate 651 is fixed on the upper surface of the movable plate 65, a connecting block 652 is provided on the inner side of the connecting plate 651, a slide rail 64 is slidably set on the inner side of the connecting plate 651, and the connecting block 652 is movably set on the slide rail 64.

[0038] A tunnel kiln roasting thermal system comprises the following steps:

[0039] Step 1: preheating, gradually raising the internal temperature of the tunnel kiln 2 to 1000° and maintaining a constant temperature;

[0040] Step 2: Loading the bricks to be fired, stacking them on the tractor 5 in sequence, and drying them in a dryer to prevent moisture from getting on some of the bricks;

[0041] Step 3: Firing: Start the driving device 3 and drive the tractor 5 to move until the tractor 5 is completely located inside the tunnel kiln 2 for firing. The brick bodies that have just entered the tunnel kiln 2 are in contact with the smoke generated by the combustion of fuel in the firing zone and are gradually heated. The duration is 5 hours, and the preheating process of the brick bodies is completed. After that, the temperature is increased to 1350°. The brick bodies reach the required maximum firing temperature with the help of the heat released by the combustion of fuel, and the firing process of the brick bodies is completed.

[0042] Step 4, cooling, start another driving device 3 to pull the tractor 5 from the end of the tunnel kiln 2, then reduce the temperature of the tunnel kiln 2 to room temperature, and blow a large amount of cold air into the tail of the tunnel kiln 2 to achieve heat exchange with the bricks and complete the cooling process.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A tunnel kiln roasting thermal device, comprising a fixed guide frame (1), a tunnel kiln (2), a driving device (3), a swing device (4) and a tractor (5), characterized in that: The fixed guide frame (1) is provided with a traction groove inside, and a driving device (3) and a swinging device (4) are provided at both ends of the traction groove. The driving device (3) and the swinging device (4) are connected. The driving device (3) drives a traction vehicle (5), and the traction vehicle (5) is provided with a scraper device (6). The fixed guide frame (1) is provided with a tunnel kiln (2), and the scraper device (6) is in contact with the inner wall of the tunnel kiln (2). The driving device (3) comprises a driving motor (32), a fixing plate (31) and a steel wire rope (34); the driving motor (32) is arranged on the fixing plate (31); the fixing plate (31) is arranged inside the traction groove; a winding rod (33) is rotatably provided at the output end of the driving motor (32); one end of the winding rod (33) passes through the fixing plate (31) and the steel wire rope (34) is wound around the outer side of the winding rod; a push plate (341) is welded to the steel wire rope (34); a bottom frame (51) is welded to the lower surface of the tractor (5); a baffle plate (511) is welded to the middle part of the bottom frame (51); the push plate (341) pushes the baffle plate (511) to move; The swing device (4) comprises a rotating motor (41), a guide block (43), a vertical rod (46), a support rod (44) and a rotating rod (45); the lower ends of the rotating motor (41) and the vertical rod (46) are connected to the traction groove; the vertical rod (46) is welded with the support rod (44); the output end of the rotating motor (41) passes through the end of the support rod (44) and is provided with a swing rod (42); the end of the swing rod (42) is rotatably provided with a guide block (43); the guide block (43) is movably clamped on the rotating rod (45); the end of the rotating rod (45) is rotatably connected to the upper end of the vertical rod (46); the end of the rotating rod (45) is welded with a sliding sleeve (452); the wire rope (34) passes through the sliding sleeve (452); A fixing rod (421) is vertically arranged at the end of the swing rod (42), the upper end of the fixing rod (421) is rotatably connected to the guide block (43), an end block (441) is welded to the end of the support rod (44), and the rotating motor (41) is arranged on the lower surface of the end block (441), and its output shaft passes through the end block (441); A collar (451) is welded to the end of the rotating rod (45), a support ring is welded to the upper end of the vertical rod (46), and the collar (451) is sleeved on the vertical rod (46) and in contact with the support ring; The scraper device (6) comprises a mounting seat (61), a threaded rod (62), a movable block (63), a slide rail (64), a movable plate (65) and a scraper rod (66). The mounting seat (61) is arranged on the tractor (5). The threaded rod (62) is threadedly inserted on the mounting seat (61). The lower end of the threaded rod (62) is movably provided with a movable block (63). The movable block (63) is rotatably provided with a movable rod (631). One end of the movable rod (631) is rotatably connected to the movable plate (65). The slide rail (64) is arranged on the mounting seat (61). The movable plate (65) is movably connected to the slide rail (64). A scraper rod (66) is provided on one side of the movable plate (65). When the movable plate (65) moves to the end of the slide rail (64), the scraper rod (66) contacts the inner wall of the tunnel kiln (2). A bearing is fixed on the upper surface of the movable block (63), and the lower end of the threaded rod (62) is rotatably inserted inside the bearing; a connecting plate (651) is fixed on the upper surface of the movable plate (65), a connecting block (652) is provided on the inner side of the connecting plate (651), a slide rail (64) is slidably arranged on the inner side of the connecting plate (651), and the connecting block (652) is movably arranged on the slide rail (64).

2. A tunnel kiln roasting thermal device according to claim 1, characterized in that: The fixed guide frame (1) is provided with a slide groove (11), the lower surface of the tractor (5) is provided with symmetrically distributed side plates (52), the side plates (52) are rotatably provided with pulleys (53), and the pulleys (53) are slidably arranged inside the slide groove (11).

3. The tunnel kiln roasting thermal device according to claim 1, characterized in that: The fixed guide frame (1) is provided with symmetrically distributed support plates (12) inside, and guide plates (13) are welded to the ends of the support plates (12). The guide plates (13) are provided with guide grooves (131), and the steel wire ropes (34) pass through the guide grooves (131).

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