Tunnel kiln structure capable of recovering waste heat

Abstract

The utility model relates to the technical field of tunnel kilns, and discloses a tunnel kiln structure capable of recovering waste heat, which comprises a tunnel kiln main body, a slide rail fixedly connected to the bottom end in the tunnel kiln main body and a kiln car movably connected to the surface of the slide rail, and a tooth block is fixedly connected to the center of the bottom of the kiln car. By arranging the tooth block, the fan impeller and the like, when the kiln car moves in the tunnel kiln main body, the tooth belt can be driven to rotate through meshing of the tooth block and the tooth belt, and finally the fan impeller is driven to rotate in the communicating groove, so that residual hot air flow at the tail end in the tunnel kiln main body can enter the communicating groove through the air inlet groove; according to the tunnel kiln, materials stacked on the tunnel kiln body can be preheated, electrical equipment does not need to be used in cooperation, the whole preheating system is simpler in structure, complex pipeline networks, electrical equipment and the like are reduced, and the overall complexity of the system and the hidden danger of failures are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel kiln technical field more specifically relates to a tunnel kiln structure of recoverable waste heat. BACKGROUND

[0002] The tunnel kiln for producing alumina ceramic products is a modern continuous firing thermal equipment, and the tunnel kiln is usually composed of a furnace body, heating elements, front and rear furnace pipes, a track and a kiln car. Workers place the blanks to be fired on the kiln car, drive the kiln car to transport the blanks into the furnace body for firing, and then drive the kiln car again to transport the finished products out of the furnace body.

[0003] In the patent with publication number CN219301284U, a stage type tunnel kiln provided with a waste heat recovery structure is disclosed, which comprises a kiln body provided in a preheating section, a track fixedly installed on the inner bottom of the kiln body, a flat car connected to the track, and a bracket symmetrically connected to the top of the flat car for stacking bricks. The bottom of the flat car is provided with a gear ring, and the gear ring is correspondingly sleeved on the bottom of the bracket. The track top is symmetrically connected with a rotating rod on both sides, and the outer side of the rotating rod is provided with a spiral groove. The inner walls on both sides of the kiln body are symmetrically connected with a blowing pipe, and the blowing pipe is connected with a conveying pipe through a connecting pipe, and the conveying pipe is connected with the outlet of an air pump. However, in the patent, the waste heat is recycled by using an air pump and a conveying pipe to return the hot air flow and reuse it. The waste heat recovery structure using an air pump and a conveying pipe involves the installation of the air pump itself, electrical connection, pipeline laying, sealing connection of the connecting pipe and the blowing pipe, and many other components, which makes the whole system relatively complex. This not only increases the difficulty and cost of equipment installation and debugging, but also causes leakage and other problems in the running process due to the large number of connection parts and complex pipeline system, affecting the effective recycling of hot air flow. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a tunnel kiln structure capable of recycling waste heat to solve the problems existing in the above-mentioned background art.

[0005] The utility model provides following technical scheme: A tunnel kiln structure of recoverable waste heat, including tunnel kiln main part, fixedly connected in the inside bottom end of tunnel kiln main part's slide rail and the movable connection in the surface of slide rail's kiln car, the bottom center of kiln car is fixedly connected with the tooth block, the inside of slide rail is provided with the recess, the inside rotation of recess is connected with two first gear, the outer surface of first gear is equipped with the toothed belt and is engaged, the surface center of one of first gear is fixedly connected with first pulley, the inside rotation of slide rail is connected with second gear, the surface center of second gear is fixedly connected with second pulley, the outer surface of first pulley and second pulley is sleeved with the triangular belt, the surface of second gear is connected with third gear and is engaged, the surface center of third gear is fixedly connected with fan impeller, the inside of slide rail is provided with the communicating groove, the inside equidistance of tunnel kiln main part is fixedly connected with copper column, the surface equidistance of copper column is provided with the air inlet groove, the inside fixedly connected with copper sheet of tunnel kiln main part far from copper column, the surface equidistance of copper sheet is provided with the air outlet groove.

[0006] Further, the inside of the tunnel kiln body is connected with the inside of the communicating groove through the air inlet groove, and the inside of the tunnel kiln body is connected with the inside of the communicating groove through the air outlet groove.

[0007] Further, the surface of the toothed belt extends into the recess, and the surface of the tooth block is engagedly connected to the surface of the toothed belt.

[0008] Further, the copper column is a copper pipe, the second pulley and the third gear are rotationally connected in the inside of the slide rail, the inside of the slide rail is provided with a rotating groove matched with the fan impeller, the rotating groove is located at the inside center of the communicating groove and is connected with both ends of the communicating groove, the end surface of the fan impeller is fixedly provided with a bearing, and the outer ring of the bearing is fixedly connected in the inside of the slide rail.

[0009] Further, the bottom of the kiln car is provided with a roller, and the surface of the slide rail is provided with a limiting groove matched with the roller.

[0010] Further, the bottoms of the copper plate and the copper column extend into the inside of the slide rail and are inserted into the inside of the communicating groove.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1.The utility model discloses, through the setting tooth block and fan impeller etc., when the kiln car is moved in the inside of tunnel kiln main body, through the meshing of tooth block and toothed belt, can drive toothed belt rotation, and drive fan impeller rotates in the inside of intercommunication groove, make the hot air flow of tunnel kiln main body inside tail end can enter into the inside of intercommunication groove through air inlet groove, then spouts through air outlet groove, and gushes to the surface of tunnel kiln main body, can preheat the material that stacks on the tunnel kiln main body, and in the preheating process, need not electrical equipment supporting use, and the whole preheating system constitutes more simple, reduces complex pipeline network and electrical equipment etc., reduces the complexity of system whole and the hidden danger of failure.

[0013] 2.The utility model discloses, through the setting air inlet groove, can to airflow delivery simultaneously, due to the material of air inlet groove, also can absorb the temperature of tunnel kiln main body inside tail end, improve the waste heat recovery efficiency, strengthen the practicality. DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is Figure 1 The enlarged view of A in the middle;

[0016] Figure 3 It is the connection schematic diagram of first gear and second gear in the utility model;

[0017] Figure 4 It is the sectional view of tunnel kiln main body in the utility model;

[0018] Figure 5 It is Figure 4 The enlarged view of B in the middle.

[0019] The drawing mark is: 1, tunnel kiln main body;2, slide rail;3, kiln car;4, tooth block;5, recess;6, first gear;7, toothed belt;8, first belt pulley;9, second belt pulley;10, second gear;11, triangular belt;12, third gear;13, fan impeller;14, intercommunication groove;15, copper column;16, air inlet groove;17, copper plate;18, air outlet groove. SPECIFIC IMPLEMENTATION

[0020] The utility model will be further explained in combination with specific embodiment, however, people skilled in the art should understand, the detailed description given in combination with the drawings here is to explain better, the structure of the utility model must exceed these limited embodiments, and for some equivalent alternative or common means, this paper does not make detailed description again, but still belongs to the protection scope of this application.

[0021] Figures 1-5 It is the best embodiment of the utility model, the following will be combined with the drawingsFigures 1-5 Further description is made to the utility model.

[0022] Specifically, the tunnel kiln structure capable of recycling waste heat comprises a tunnel kiln main body 1, a sliding rail 2 fixedly connected to the bottom end inside the tunnel kiln main body 1 and a kiln car 3 movably connected to the surface of the sliding rail 2, a tooth block 4 is fixedly connected to the bottom center of the kiln car 3, a groove 5 is formed in the inside of the sliding rail 2, two first gears 6 are rotatably connected to the inside of the groove 5, a tooth belt 7 is installed in mesh with the outer surface of the first gears 6, a first belt pulley 8 is fixedly connected to the surface center of one of the first gears 6, a second belt pulley 9 is fixedly connected to the surface center of a second gear 10 rotatably connected to the inside of the sliding rail 2, a triangular belt 11 is sleeved on the outer surfaces of the first belt pulley 8 and the second belt pulley 9, a third gear 12 is meshedly connected to the surface of the second gear 10, a fan impeller 13 is fixedly connected to the surface center of the third gear 12, a communication groove 14 is formed in the inside of the sliding rail 2, copper columns 15 are equidistantly fixedly connected to the inside of the tunnel kiln main body 1, air inlet grooves 16 are equidistantly formed on the surface of the copper columns 15, and copper plates 17 are fixedly connected to the inside of the tunnel kiln main body 1 away from the copper columns 15, air outlet grooves 18 are equidistantly formed on the surface of the copper plates 17.

[0023] In the embodiment, when the kiln car 3 moves inside the tunnel kiln main body 1, the tooth block 4 and the fan impeller 13 are arranged to drive the tooth belt 7 to rotate and drive the fan impeller 13 to rotate in the communication groove 14 through the meshing of the tooth block 4 and the tooth belt 7, so that the hot air flow at the tail end inside the tunnel kiln main body 1 can enter the communication groove 14 through the air inlet grooves 16, then be sprayed out through the air outlet grooves 18 and flow into the surface of the tunnel kiln main body 1, thereby preheating the materials stacked on the tunnel kiln main body 1, and the preheating process does not need to be matched with electrical equipment, the overall preheating system is more simple, the complex pipeline network and electrical equipment are reduced, and the complexity and hidden dangers of the system as a whole are reduced.

[0024] Specifically, the inside of the tunnel kiln main body 1 is connected to the inside of the communication groove 14 through the air inlet grooves 16, and the inside of the tunnel kiln main body 1 is connected to the inside of the communication groove 14 through the air outlet grooves 18.

[0025] In the embodiment, the air inlet grooves 16 are arranged to convey the air flow, and the temperature at the tail end inside the tunnel kiln main body 1 can be absorbed due to the material of the air inlet grooves 16, so that the waste heat recovery efficiency is improved and the practicability is enhanced.

[0026] Specifically, the surface of the tooth belt 7 extends to the inside of the groove 5, and the surface of the tooth block 4 is meshedly connected to the surface of the tooth belt 7.

[0027] In the embodiment, when the tooth block 4 moves, the gear belt 7 can be driven to rotate through the engagement of the tooth block 4 and the gear belt 7.

[0028] Specifically, the copper column 15 is a copper pipe, the second belt pulley 9 and the third gear 12 are both rotationally connected in the interior of the slide rail 2, the interior of the slide rail 2 is provided with a rotating groove matched with the fan impeller 13, and the rotating groove is located at the interior center of the communication groove 14 and is in communication with both ends of the communication groove 14, the end surface of the fan impeller 13 is fixedly installed with a bearing, and the outer ring of the bearing is fixedly connected in the interior of the slide rail 2.

[0029] In the embodiment, the stability of the rotation of the fan impeller 13 can be enhanced through the bearing fixedly installed on the end surface of the fan impeller 13.

[0030] Specifically, the bottom of the kiln car 3 is provided with a rolling wheel, and the surface of the slide rail 2 is provided with a limiting groove matched with the rolling wheel.

[0031] In the embodiment, the surface of the tooth block 4 can be stably engaged and connected to the surface of the gear belt 7 through the limiting groove.

[0032] Specifically, the bottom of the copper plate 17 and the copper column 15 both extend into the interior of the slide rail 2 and are inserted into the interior of the communication groove 14.

[0033] In the embodiment, since the bottom of the copper plate 17 and the copper column 15 both extend into the interior of the slide rail 2, the interior of the copper plate 17 and the copper column 15 can be in communication with the interior of the communication groove 14.

[0034] The working principle and use process of the utility model are as follows: when in use, after the materials are placed on the kiln car 3, the kiln car 3 is pushed onto the slide rail 2, through the movement of the kiln car 3, the kiln car 3 drives the gear belt 7 to rotate through the tooth block 4, the gear belt 7 drives the first belt pulley 8 to rotate through the first gear 6, the first belt pulley 8 drives the second gear 10 to rotate through the triangular belt 11 and the second belt pulley 9, and the second gear 10 drives the third gear 12 to rotate, at this time, the third gear 12 drives the fan impeller 13 to rotate at high speed in the interior of the communication groove 14, and the hot air flow at the tail end in the interior of the tunnel kiln main body 1 can enter into the interior of the communication groove 14 through the air inlet groove 16, then is sprayed out through the copper plate 17 and rushes to the surface of the tunnel kiln main body 1, can preheat the materials stacked on the tunnel kiln main body 1, and in the preheating process, does not need to use electrical equipment, the overall preheating system is more simple, reduces the complex pipeline network and electrical equipment, etc., reduces the complexity of the system as a whole and the hidden danger of failure, when the tunnel kiln main body 1 moves to the middle section in the interior of the tunnel kiln main body 1 for high-temperature heating, at this time, the tooth block 4 does not engage with the gear belt 7, and the fan impeller 13 does not rotate any more, can reduce the heat loss in the interior of the tunnel kiln main body 1, and enhances the practicability.

[0035] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments without departing from the technical solution of the present application, and according to the technical essence of the present application, still belong to the protection scope of the technical solution of the present application.

Claims

1. A tunnel kiln structure capable of recycling waste heat, comprising a tunnel kiln body (1), a sliding rail (2) fixedly connected to the inner bottom end of the tunnel kiln body (1), and a kiln car (3) movably connected to the surface of the sliding rail (2), characterized in that: The bottom center of the kiln car (3) is fixedly connected with a tooth block (4), the inside of the slide rail (2) is provided with a groove (5), the inside of the groove (5) is rotatably connected with two first gears (6), the outer surface of the first gear (6) is engagedly installed with a tooth belt (7), the surface center of one of the first gears (6) is fixedly connected with a first pulley (8), the inside of the slide rail (2) is rotatably connected with a second gear (10), the surface center of the second gear (10) is fixedly connected with a second pulley (9), the outer surfaces of the first pulley (8) and the second pulley (9) are sleeved with a V-belt (11), the surface of the second gear (10) is engagedly connected with a third gear (12), the surface center of the third gear (12) is fixedly connected with a fan impeller (13), the inside of the slide rail (2) is provided with a communication groove (14), the inside of the tunnel kiln body (1) is equidistantly fixedly connected with a copper column (15), the surface of the copper column (15) is equidistantly provided with an air inlet groove (16), the inside of the tunnel kiln body (1) away from the copper column (15) is fixedly connected with a copper plate (17), and the surface of the copper plate (17) is equidistantly provided with an air outlet groove (18).

2. A tunnel kiln structure for recycling waste heat as claimed in claim 1 wherein: The inside of the tunnel kiln body (1) is connected with the inside of the communication groove (14) through the air inlet groove (16), and the inside of the tunnel kiln body (1) is connected with the inside of the communication groove (14) through the air outlet groove (18).

3. A tunnel kiln structure for recycling waste heat as claimed in claim 1 wherein: The surface of the tooth belt (7) extends into the inside of the groove (5), and the surface of the tooth block (4) is engagedly connected to the surface of the tooth belt (7).

4. A tunnel kiln structure for recycling waste heat as claimed in claim 1 wherein: The copper column (15) is a copper pipe, the second pulley (9) and the third gear (12) are rotatably connected in the inside of the slide rail (2), the inside of the slide rail (2) is provided with a rotating groove matched with the fan impeller (13), the rotating groove is located at the inside center of the communication groove (14) and is connected with both ends of the inside of the communication groove (14), and the end surface of the fan impeller (13) is fixedly installed with a bearing, and the outer ring of the bearing is fixedly connected in the inside of the slide rail (2).

5. A tunnel kiln structure for recycling waste heat as claimed in claim 1 wherein: The bottom of the kiln car (3) is provided with a roller, and the surface of the slide rail (2) is provided with a limiting groove matched with the roller.

6. A tunnel kiln structure for recycling waste heat as claimed in claim 1 wherein: The bottoms of the copper plate (17) and the copper column (15) extend into the inside of the slide rail (2) and are inserted into the inside of the communication groove (14).

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