Refractory brick tunnel kiln capable of preheating green bricks

Abstract

The utility model relates to the technical field of refractory brick processing, and discloses a refractory brick tunnel kiln capable of preheating green bricks, which comprises a kiln body, a preheating box is fixedly connected to the top of the kiln body, a processing box is fixedly connected to the right side of the preheating box, and the processing box is fixedly connected to the top of the kiln body. A preheating mechanism is arranged on the rear side of the processing box, a conveying mechanism is arranged on the left side of the top of the kiln body, during use, through the arranged preheating mechanism, green bricks can be preheated in advance in the preheating box when being processed, and therefore the green bricks can be more evenly fired in the processing box; and under the action of a conveying pipeline and a suction fan, heat in the processing box can be conveyed into a preheating box, waste heat can be recycled, green bricks can be preheated, under the action of a limiting rod, a spring and a pull ring, a heating plate can be limited, and meanwhile the heating plate can be conveniently replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of refractory brick processing, in particular to a refractory brick tunnel kiln capable of preheating brick blanks. Background Art

[0002] The refractory brick tunnel kiln is a long kiln used to produce refractory bricks, ceramics, gypsum and other materials. The tunnel kiln is a modern continuous firing thermal equipment, widely used in the roasting production of ceramic products, and is also widely used in metallurgical industries such as abrasives. At present, in the production process of refractory bricks, tunnel kilns are usually required for firing and processing. Most tunnel kilns lack a preheating mechanism to preheat the bricks during use, which can easily lead to uneven heating of the bricks during firing, thereby easily reducing their processing quality.

[0003] According to the description in the refractory brick tunnel kiln capable of preheating bricks published on the patent website (authorization announcement number: CN 220818510U), the refractory brick tunnel kiln capable of preheating bricks includes "preheating box, track, air outlet pipe" etc. to perform preheating work.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] The refractory brick tunnel kiln capable of preheating bricks utilizes a preheating box, a track, an air outlet pipe, etc. to perform preheating work. When the kiln is in use, a heating plate is arranged inside a waste heat pipe. When the heating plate is damaged and needs to be repaired, the pipe needs to be disassembled, which is time-consuming and labor-intensive. The heating plate cannot be disassembled quickly, thus affecting the preheating work and the efficiency of brick processing. Therefore, the kiln needs to be improved. Utility Model Content

[0006] The utility model aims to provide a refractory brick tunnel kiln capable of preheating brick blanks, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refractory brick tunnel kiln capable of preheating brick blanks, comprising a kiln body, a preheating box fixedly connected to the top of the kiln body, a processing box fixedly connected to the right side of the preheating box, the processing box fixedly connected to the top of the kiln body, a preheating mechanism arranged at the rear side of the processing box, and a conveying mechanism arranged at the left side of the top of the kiln body;

[0008] The preheating mechanism comprises a preheating component and a sealing component, wherein the preheating component is arranged at the rear side of the processing box, and the sealing component is arranged at the top of the processing box;

[0009] The preheating assembly includes a conveying pipeline, which is fixedly connected to the rear side of the processing box, the front side of the left end of the conveying pipeline is fixedly connected to the rear side of the preheating box, the right end of the conveying pipeline is fixedly connected to a suction fan, the left end of the conveying pipeline is slidably connected to a heating plate, the top left side of the conveying pipeline is fixedly connected to a blower, the front side of the blower is fixedly connected to a connecting pipe, the right side of the connecting pipe is fixedly connected to the left side of the conveying pipeline, the left side of the conveying pipeline is fixedly connected to a concave frame, the concave frame is slidably connected to a limiting rod, the right side of the limiting rod is inserted into the left side of the heating plate, the left side of the limiting rod is fixedly connected to a pull ring, and the outer periphery of the limiting rod is sleeved with a spring.

[0010] Preferably, the limiting rod passes through the inside of the conveying pipe, and limiting grooves are respectively provided inside the conveying pipe and on the left side of the heating plate, and the two limiting grooves correspond to each other. The limiting rod is inserted into the limiting groove, so that the limiting rod can limit the heating plate and the heating plate can be replaced easily.

[0011] Preferably, the left side of the spring is fixedly connected to the right side of the pull ring, and the right side of the spring is fixedly connected to the left side of the concave frame. A slide groove is provided inside the conveying pipe, and the heating plate is slidably connected in the slide groove, so that the elasticity of the spring can limit the heating plate under the action of the limit rod, thereby ensuring the stability of the heating plate.

[0012] Preferably, the sealing assembly includes a fixed plate, which is fixedly connected to the top of the processing box, a first servo motor is fixedly connected to the front side of the fixed plate, a bidirectional threaded rod is fixedly connected to the rear side of the first servo motor, the bidirectional threaded rod is rotatably connected to the inside of the fixed plate, a first sealing plate is threadedly connected to the outer periphery of the bidirectional threaded rod, the first sealing plate is slidably connected to the inside of the processing box, a connecting shaft is fixedly connected to the left side of the first sealing plate, a second sealing plate is fixedly connected to the left side of the connecting shaft, and the second sealing plate is slidably connected to the inside of the preheating box.

[0013] Preferably, a movable groove and a movable groove are respectively opened inside the processing box and the preheating box, and the first sealing plate and the second sealing plate are respectively slidably connected to the movable groove and the movable groove, so that the movable groove and the movable groove can respectively limit the first sealing plate and the second sealing plate, making the movement more stable.

[0014] Preferably, the first sealing plate and the second sealing plate are both rectangular in shape, and are made of high temperature resistant material, so that the service life of the first sealing plate and the second sealing plate can be extended by making them of high temperature resistant material.

[0015] Preferably, the conveying mechanism includes a second servo motor, which is fixedly connected to the left side of the kiln body, and a one-way threaded rod is fixedly connected to the right side of the second servo motor. The right side of the one-way threaded rod is rotatably connected to the inside of the kiln body, and the outer periphery of the one-way threaded rod is threadedly connected to a threaded block, and the top of the threaded block is fixedly connected to a conveying platform.

[0016] Preferably, a rectangular groove is provided on the top of the kiln body, and the threaded block is slidably connected in the rectangular groove, so that the rectangular groove can limit the threaded block and make the one-way threaded rod drive the threaded block to move more stably.

[0017] Compared with the prior art, the utility model provides a refractory brick tunnel kiln capable of preheating brick blanks, which has the following beneficial effects:

[0018] 1. The refractory brick tunnel kiln capable of preheating brick blanks can realize preheating of the brick blanks in advance in the preheating box by means of the preheating mechanism when processing the brick blanks, so that the brick blanks can be fired more evenly in the processing box, and the heat in the processing box can be transported to the preheating box under the action of the conveying pipe and the suction fan, and the waste heat can be recycled to preheat the brick blanks. At the same time, under the action of the blower and the heating plate, the wind in the conveying pipe can be heated to increase the air volume in the conveying pipe and the preheating effect of the brick blanks, and under the action of the limit rod, the spring and the pull ring, the heating plate can be limited, and the heating plate can be easily replaced to further improve the preheating effect. At the same time, under the action of the first sealing plate and the second sealing plate, the processing box and the preheating box can be sealed.

[0019] 2. The refractory brick tunnel kiln that can preheat brick blanks can realize automatic transportation of the brick blanks when the brick blanks need to be transported to the preheating box and the processing box for processing through the provided conveying mechanism. The second servo motor, the one-way threaded rod, the threaded block and the conveying platform can thereby avoid the process of workers conveying the brick blanks in a high temperature environment and improve the conveying and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the preheating mechanism structure;

[0023] Figure 3 This is a schematic diagram of the preheating component structure;

[0024] Figure 4 It is a schematic diagram of the left side structure of the conveying pipeline;

[0025] Figure 5 is a schematic diagram of the sealing component structure;

[0026] Figure 6 It is a schematic diagram of the conveying mechanism structure.

[0027] In the figure: 1. kiln body; 2. preheating box; 3. processing box; 4. preheating mechanism; 5. conveying mechanism; 41. preheating assembly; 42. sealing assembly; 411. suction fan; 412. conveying pipeline; 413. blower; 414. connecting pipe; 415. pull ring; 416. concave frame; 417. heating plate; 418. limit rod; 419. spring; 421. first servo motor; 422. fixing plate; 423. two-way threaded rod; 424. connecting shaft; 425. first sealing plate; 426. second sealing plate; 51. second servo motor; 52. thread block; 53. one-way threaded rod; 54. conveying table. DETAILED DESCRIPTION

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

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] The utility model provides the following technical solutions:

[0031] Embodiment 1

[0032] See also Figure 1-6The utility model provides a technical solution: a refractory brick tunnel kiln capable of preheating brick blanks, comprising a kiln body 1, a preheating box 2 is fixedly connected to the top of the kiln body 1, a processing box 3 is fixedly connected to the right side of the preheating box 2, the processing box 3 is fixedly connected to the top of the kiln body 1, a preheating mechanism 4 is arranged at the rear side of the processing box 3, a conveying mechanism 5 is arranged at the left side of the top of the kiln body 1, the preheating mechanism 4 comprises a preheating component 41 and a sealing component 42, the preheating component 41 is arranged at the rear side of the processing box 3, and the sealing component 42 is arranged at the top of the processing box 3;

[0033] The preheating component 41 includes a conveying pipe 412, which is fixedly connected to the rear side of the processing box 3, the front side of the left end of the conveying pipe 412 is fixedly connected to the rear side of the preheating box 2, the right end of the conveying pipe 412 is fixedly connected to a suction fan 411, the left end of the conveying pipe 412 is slidably connected to a heating plate 417, the top of the left side of the conveying pipe 412 is fixedly connected to a blower 413, the front side of the blower 413 is fixedly connected to a connecting pipe 414, the right side of the connecting pipe 414 is fixedly connected to the left side of the conveying pipe 412, the left side of the conveying pipe 412 is fixedly connected to a concave frame 416, the concave frame 416 is internally slidably connected to a limiting rod 418, the right side of the limiting rod 418 is inserted into the left side of the heating plate 417, the left side of the limiting rod 418 is fixedly connected to a pull ring 415, and the outer periphery of the limiting rod 418 is sleeved with a spring 419.

[0034] The limiting rod 418 runs through the inside of the conveying pipe 412, and limiting grooves are respectively provided inside the conveying pipe 412 and on the left side of the heating plate 417, and the two limiting grooves correspond to each other. The limiting rod 418 is inserted into the limiting groove, so that the limiting rod 418 can limit the heating plate 417, and it is also convenient to replace the heating plate 417. The left side of the spring 419 is fixedly connected to the right side of the pull ring 415, and the right side of the spring 419 is fixedly connected to the left side of the concave frame 416. A sliding groove is provided inside the conveying pipe 412, and the heating plate 417 is slidably connected in the sliding groove, so that the elasticity of the spring 419 can limit the heating plate 417 under the action of the limiting rod 418, thereby ensuring the stability of the heating plate 417.

[0035] See also Figure 1-6The utility model provides a technical solution: the sealing assembly 42 includes a fixed plate 422, the fixed plate 422 is fixedly connected to the top of the processing box 3, the front side of the fixed plate 422 is fixedly connected to the first servo motor 421, the rear side of the first servo motor 421 is fixedly connected to the bidirectional threaded rod 423, the bidirectional threaded rod 423 is rotatably connected to the inside of the fixed plate 422, the outer periphery of the bidirectional threaded rod 423 is threadedly connected to the first sealing plate 425, the first sealing plate 425 is slidably connected to the inside of the processing box 3, the left side of the first sealing plate 425 is fixedly connected to the connecting shaft 424, the left side of the connecting shaft 424 is fixedly connected to the second sealing plate 426, the second sealing plate 426 is slidably connected to the inside of the preheating box 2, and a movable groove and a moving groove are respectively provided inside the processing box 3 and the preheating box 2. The first sealing plate 425 and the second sealing plate 426 are slidably connected to the movable groove and the moving groove respectively, so that the movable groove and the moving groove can respectively limit the first sealing plate 425 and the second sealing plate 426 to make the movement more stable. The first sealing plate 425 and the second sealing plate 426 are both rectangular in shape, and the first sealing plate 425 and the second sealing plate 426 are both made of high-temperature resistant material, so that the service life of the first sealing plate 425 and the second sealing plate 426 can be extended by making them of high-temperature resistant material.

[0036] Embodiment 2

[0037] See also Figure 1-6 On the basis of the first embodiment, the conveying mechanism 5 further comprises a second servo motor 51, the second servo motor 51 is fixedly connected to the left side of the kiln body 1, a one-way threaded rod 53 is fixedly connected to the right side of the second servo motor 51, the right side of the one-way threaded rod 53 is rotatably connected to the inside of the kiln body 1, the outer periphery of the one-way threaded rod 53 is threadedly connected to a thread block 52, the top of the thread block 52 is fixedly connected to a conveying platform 54, a rectangular groove is provided on the top of the kiln body 1, the thread block 52 is slidably connected in the rectangular groove, so that the rectangular groove can limit the thread block 52, so that the one-way threaded rod 53 drives the thread block 52 to move more stably.

[0038] During the actual operation, when this device is used, the bricks that need to be preheated are first neatly placed on the conveying table 54, and at the same time, the first servo motor 421 drives the first sealing plate 425 connected to the outer thread of the bidirectional threaded rod 423 to move. When the first sealing plate 425 moves, the second sealing plate 426 can be driven to move through the connecting shaft 424, so that the left side of the preheating box 2 is in an open state. At this time, the threaded block 52 connected to the outer thread of the unidirectional threaded rod 53 is driven by the second servo motor 51 to move in the rectangular groove, and the bricks placed on the conveying table 54 can be conveyed to the preheating box 2 for preheating through the threaded block 52, and the bidirectional threaded rod 423 is rotated again, so that the first sealing plate 425 and the second sealing plate 426 respectively seal the processing box 3 and the preheating box 2, and at the same time, the operating space of the processing box 3 and the preheating box 2 can be separated. At this time, the processing box 3 can be separated by the suction fan 411. The heat in the box 3 is transported to the preheating box 2 through the conveying pipe 412 to preheat the bricks. At the same time, the outside air is transported to the conveying pipe 412 through the connecting pipe 414 by the blower 413. The heating plate 417 is powered by an external device, and the wind sucked into the conveying pipe 412 can be heated by the heating plate 417, which can not only increase the air volume in the conveying pipe 412, but also improve the preheating effect of the bricks. When the heating plate 417 needs to be replaced and maintained during operation, it is only necessary to pull the pull ring 415 to the left, so that the pull ring 415 drives the limit rod 418 to move to the left, and drives the spring 419 to deform, so as to release the limit on the heating plate 417, and then put the new heating plate 417 into the slide groove in the conveying pipe 412, release the pull ring 415, and the spring 419 is reset, and the limit rod 418 can be driven to move to the right by the pull ring 415 to limit the heating plate 417.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A refractory brick tunnel kiln capable of preheating brick blanks, comprising a kiln body (1), characterized in that: A preheating box (2) is fixedly connected to the top of the kiln body (1); a processing box (3) is fixedly connected to the right side of the preheating box (2); the processing box (3) is fixedly connected to the top of the kiln body (1); a preheating mechanism (4) is arranged at the rear side of the processing box (3); and a conveying mechanism (5) is arranged at the left side of the top of the kiln body (1); The preheating mechanism (4) comprises a preheating component (41) and a sealing component (42); the preheating component (41) is arranged on the rear side of the processing box (3), and the sealing component (42) is arranged on the top of the processing box (3); The preheating assembly (41) comprises a conveying pipe (412), wherein the conveying pipe (412) is fixedly connected to the rear side of the processing box (3), the front side of the left end of the conveying pipe (412) is fixedly connected to the rear side of the preheating box (2), the right end of the conveying pipe (412) is fixedly connected to a suction fan (411), the left end of the conveying pipe (412) is slidably connected to a heating plate (417), the top of the left side of the conveying pipe (412) is fixedly connected to a blower (413), and the blower (413) ) is fixedly connected to the front side with a connecting pipe (414), the right side of the connecting pipe (414) is fixedly connected to the left side of the conveying pipe (412), the left side of the conveying pipe (412) is fixedly connected to a concave frame (416), the inner part of the concave frame (416) is slidably connected to a limiting rod (418), the right side of the limiting rod (418) is plugged into the left side of the heating plate (417), the left side of the limiting rod (418) is fixedly connected to a pull ring (415), and the outer periphery of the limiting rod (418) is sleeved with a spring (419).

2. The refractory brick tunnel kiln capable of preheating brick blanks according to claim 1, characterized in that: The limiting rod (418) passes through the interior of the conveying pipe (412), and limiting grooves are respectively provided inside the conveying pipe (412) and on the left side of the heating plate (417), and the two limiting grooves correspond to each other, and the limiting rod (418) is inserted into the limiting grooves.

3. The refractory brick tunnel kiln capable of preheating brick blanks according to claim 1, characterized in that: The left side of the spring (419) is fixedly connected to the right side of the pull ring (415), and the right side of the spring (419) is fixedly connected to the left side of the concave frame (416). A slide groove is provided inside the conveying pipe (412), and the heating plate (417) is slidably connected in the slide groove.

4. The refractory brick tunnel kiln capable of preheating brick blanks according to claim 1, characterized in that: The sealing assembly (42) comprises a fixed plate (422), the fixed plate (422) being fixedly connected to the top of the processing box (3), the front side of the fixed plate (422) being fixedly connected to a first servo motor (421), the rear side of the first servo motor (421) being fixedly connected to a bidirectional threaded rod (423), the bidirectional threaded rod (423) being rotatably connected to the inside of the fixed plate (422), the outer periphery of the bidirectional threaded rod (423) being threadedly connected to a first sealing plate (425), the first sealing plate (425) being slidably connected to the inside of the processing box (3), the left side of the first sealing plate (425) being fixedly connected to a connecting shaft (424), the left side of the connecting shaft (424) being fixedly connected to a second sealing plate (426), and the second sealing plate (426) being slidably connected to the inside of the preheating box (2).

5. The refractory brick tunnel kiln capable of preheating bricks according to claim 4, characterized in that: A movable groove and a moving groove are respectively provided inside the processing box (3) and inside the preheating box (2), and the first sealing plate (425) and the second sealing plate (426) are respectively slidably connected to the movable groove and the moving groove.

6. The refractory brick tunnel kiln capable of preheating brick blanks according to claim 4, characterized in that: The first sealing plate (425) and the second sealing plate (426) are both rectangular in shape, and are both made of high temperature resistant material.

7. The refractory brick tunnel kiln capable of preheating brick blanks according to claim 1, characterized in that: The conveying mechanism (5) comprises a second servo motor (51), the second servo motor (51) is fixedly connected to the left side of the kiln body (1), a one-way threaded rod (53) is fixedly connected to the right side of the second servo motor (51), the right side of the one-way threaded rod (53) is rotatably connected to the inside of the kiln body (1), the outer periphery of the one-way threaded rod (53) is threadedly connected to a threaded block (52), and the top of the threaded block (52) is fixedly connected to a conveying platform (54).

8. The refractory brick tunnel kiln capable of preheating brick blanks according to claim 7, characterized in that: A rectangular groove is provided on the top of the kiln body (1), and the threaded block (52) is slidably connected in the rectangular groove.

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