Air cooling jacket structure of fully-sealed roller kiln

Abstract

The utility model discloses an air cooling jacket structure of a fully-sealed roller kiln. The air cooling jacket structure comprises a bottom jacket, a top jacket and two side jackets, the side jacket comprises a roller bar box and two communicating jackets; a plurality of penetrating pipes are arranged on the roller box in a penetrating manner; a crack is formed between the two penetrating pipes; the communicating jacket comprises an inner plate located on the inner side of the roller kiln and an outer plate located on the outer side of the roller kiln. One end of the inner plate is provided with a bent plate which is bent by 90 degrees; a transmission box is defined by every two adjacent bent plates. The air cooling jackets are distributed on the periphery of the roller kiln to form three-dimensional heat dissipation, and the heat dissipation effect is good; the roller box used for penetrating out of the roller is communicated with the lower portions of the two sides of the air cooling jacket and the upper portions of the two sides of the air cooling jacket, heat dissipation of the roller box can be achieved, a lower-in and upper-out circulation path is achieved, the structure is simplified, and the pipeline kiln is more compact. And the roller box is arranged between the two bent plates, so that the welding positions of the side jackets are reduced, manual welding is also facilitated, and the operation difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of atmosphere protection roller kiln rapid cooling technology, especially relates to a full -sealing roller kiln air -cooling jacket structure. BACKGROUND

[0002] The roller kiln is a continuous firing, and the roller kiln is a tunnel type kiln with rotating rollers as product carriers. The product is placed on many horizontal refractory roller bars with very close spacing, and the product is conveyed from the kiln head to the kiln tail by the rotation of the roller bar. After the product goes through the manufacturing stage of the firing process, the product needs to be cooled, and the fluid in the air-cooled jacket absorbs and carries away the heat of the kiln to achieve the effect of cooling, so that the fired product can be relatively stable when it goes to the next process, and the temperature will not be too high.

[0003] The air-cooled jacket cooling of the roller kiln is a cooling method combining the working principle of the air-cooling system and the jacket cooling. Through reasonable design and control, the temperature of the roller kiln can be effectively reduced, and the production efficiency and product quality can be improved. The full-sealing roller kiln needs to consider the sealing performance, and it is difficult to connect the lower part of the air-cooled jacket on both sides with the upper part of the air-cooled jacket on both sides. Usually, the upper and lower parts are independently in and out of the air, so the fluid in the air-cooled jacket cannot pass through the inside of the conveying roller box, and cannot absorb and carry away the heat inside the conveying roller box.

[0004] The cooling system of the atmosphere roller kiln disclosed in the patent document with publication number CN214701709U comprises a jacket air box, a finned heat exchange pipe, a water tank, an air inlet pipe, an air pipe and a heat exchange fan arranged in the kiln frame. The air inlet pipe is connected to the inside of the jacket air box, the finned heat exchange pipe is arranged in the jacket air box, the jacket air box is connected to the heat exchange fan through the air pipe, and the water tank is closely attached to the jacket air box.

[0005] In the above-mentioned patent scheme, the two heat dissipation methods of air cooling and water cooling are superimposed, which has the problem of high use cost. Moreover, the multiple finned heat exchange pipes and the penetrating jacket air box of the roller bar cause the structure of the jacket air box to be complex, and there are many welding positions. On the one hand, the welding difficulty is great, and the conditions of incomplete welding or false welding are prone to occur. On the other hand, due to the long-term cold and hot changes of the kiln body and the inconsistent deformation ability of the materials, the welding positions are also prone to deformation leakage, which is not conducive to the long-term sealing of the full-sealing roller kiln. UTILITY MODEL CONTENTS

[0006] In order to overcome the prior art fluid in the air-cooled jacket cannot take away the heat inside the roller bar box, and the connecting roller bar box jacket has the technical problems of complex structure, many welding positions and difficult welding. One purpose of the utility model is to provide a kind of full sealing roller kiln air-cooled jacket structure, and the inner plate of side jacket is bent outward and extends to form transmission box for installing roller bar transmission mechanism, and the inner plate bent outward is also used for welding roller bar box for roller bar to go out, on the one hand, the welding position is reduced, on the other hand, the remaining welding position is also linear structure, that is, the welding difficulty is reduced;Roller bar box is provided with the joint gap of connecting jacket, and the heat of roller bar box is taken away by air cooling, which is better in cooling effect while maintaining the sealing of roller kiln.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of full sealing roller kiln air-cooled jacket structure, including the bottom jacket, top jacket and two side jackets enclosed into rectangular cavity;The side jacket includes roller bar box and two upper and lower ends of the roller bar box respectively The connecting jacket is communicated;A plurality of pipes are provided on the roller bar box for the roller bar to go out;There is a joint gap between the adjacent two pipes;The upper and lower ends of the joint gap are communicated with the adjacent connecting jacket respectively;Wherein, the connecting jacket includes the inner plate located on the inner side of roller kiln and the outer plate located on the outer side of roller kiln;The inner plate is provided with the bending plate bent by 90 degrees to the outer plate direction at one end close to the roller bar box;The bending plate extends to the outer side of roller kiln, and the adjacent two bending plates enclose to form transmission box.

[0008] The roller bar box is welded in advance, the volume is relatively small, the operation position is more, and the operation is facilitated, that is, the welding quality is controlled;When assembling, the upper and lower ends of the roller bar box are welded on the bending plate, and the welding track is linear, so that the roller kiln is large in size, and manual operation is facilitated, and the operation difficulty is reduced;At the same time, the transmission box is formed by the bending plate, the welding position is reduced, and the operation difficulty is reduced.

[0009] Further, a plurality of evenly distributed air grooves are provided on the bending plate;The air groove is located between the inner plate and the outer plate;The upper and lower ends of the roller bar box are uniformly provided with a plurality of positioning plates close to the outer plate;The positioning plate is located in the air groove.

[0010] Specifically, when the positioning plate and the side wall of the air groove away from the inner plate abut, the roller bar box is flush with the inner plate.

[0011] The positioning plate provides a positioning basis for the assembly of the side jacket, facilitates the control of the inner wall of the roller kiln, makes the appearance flat, and is convenient for manual operation.

[0012] Further, the upper end of the upper communication jacket is provided with a plurality of first flanges; the upper end of the top jacket is provided with a plurality of second flanges; a bend pipe is arranged between the first flanges and the second flanges.

[0013] Specifically, the upper ends of the first flanges and the second flanges are flush; the bend pipe is of an arc structure.

[0014] Further, the upper end of the upper communication jacket is provided with a first welding plate close to the inner side of the roller kiln; the upper end of the top jacket is provided with a second welding plate towards one side of the side jacket; the first welding plate and the second welding plate are welded to each other.

[0015] Further, the upper end of the top jacket is provided with a conical cover; the upper end of the conical cover is provided with a connector pipe.

[0016] Further, the two lower communication jackets and the bottom jacket are of an integral U-shaped structure; the two lower communication jackets and the bottom jacket are communicated; the bottom jacket is provided with an opening at the central position of the lower end.

[0017] The external air enters through the opening and passes out through the connector pipe, sequentially passes through the air cooling jacket of the roller kiln to realize cooling, forms a down-in and up-out air duct, no extra branch pipe is generated, the sealing property is further ensured, the cooling effect is improved, and the cost is greatly reduced.

[0018] Specifically, the communication jacket further comprises two sealing plates for sealing the interval between the inner plate and the outer plate; the sealing plate is provided with a convex plate abutting against two adjacent bend plates; the end of the convex plate is flush with the end of the bend plate.

[0019] Specifically, the top jacket is located inside the two side jackets, which helps to maintain the sealing property of the roller kiln.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] 1. In the utility model, the air cooling jacket is distributed around the roller kiln to form a three-dimensional heat dissipation, and the heat dissipation effect is good; the roller bar box for passing out the roller bar is communicated with the lower part and the upper part of the air cooling jacket on the two sides of the air cooling jacket, so that the heat dissipation of the roller bar box is realized, the circulation passage of down-in and up-out is realized, the structure is simplified, and the pipe kiln is more compact.

[0022] 2. In the utility model, the inner plate of the air cooling jacket is outwardly bent to form a transmission box, the roller bar box is arranged in the middle of the two bend plates, the welding position of the side jacket is reduced, the welding track is linear, manual welding is facilitated, and the operation difficulty is reduced.

[0023] 3. The utility model discloses a positioning plate is set up, and it is convenient to position and position adjustment in the assembly process, and it is convenient to control the inner wall flatness in the roller kiln, and then it is convenient to manual operation, and it is helpful to improve the assembly quality. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structure schematic diagram of the utility model;

[0025] Figure 2 It is the roller bar box schematic diagram of the utility model;

[0026] Figure 3 It is the structure schematic diagram of the utility model's Figure 1 The enlarged structure schematic diagram of A part in the utility model;

[0027] Figure 4 It is the enlarged structure schematic diagram of B part in the utility model; Figure 1

[0028] Figure 5 It is the structure schematic diagram of the roller bar box and transmission box of the utility model.

[0029] In the drawing: 1, furnace body; 11, upper clamping sleeve; 111, first welding plate; 12, top clamping sleeve; 121, second welding plate; 122, conical cover; 123, interface pipe; 13, bottom clamping sleeve; 131, lower clamping sleeve; 14, inner plate; 15, outer plate; 16, bent plate; 17, air passage; 2, fired product; 3, roller bar; 4, transmission box; 5, roller bar box; 501, outer frame; 502, pipe; 503, clamping gap; 504, positioning plate; 6, bent pipe. DETAILED DESCRIPTION

[0030] In the following, the utility model is further described in combination with the drawings and specific embodiments, and it needs to be explained that, under the premise of not conflicting, the following described each embodiment or each technical feature can be combined to form a new embodiment.

[0031] In the description of the utility model, it needs to be explained that, for the orientation words, such as the terms "center", "transverse", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawing, and it is only for the convenience of narrating the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and can not be understood as limiting the specific protection scope of the utility model.

[0032] ​In addition, the terms "first", "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features defined can explicitly or implicitly include one or more features, and in the description of the utility model, the meaning of "several" is two or more than two, unless otherwise explicitly specified and limited.

[0033] In the utility model, except for another explicit provision and limitation, the terms such as "set", "install" and other terms should be understood broadly, for example, it can be fixedly connected, can also be detachably connected, or integrally connected, can be mechanically connected, can be directly connected, can be connected through intermediate medium, and can be connected in two elements internally. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0034] Referring to Figures 1-5 A kind of full-sealed roller kiln air cooling jacket structure, including furnace body 1, multiple roller 3 being arranged in the middle of the furnace body 1;The roller 3 is used to transport firing product 2;The furnace body 1 includes the bottom jacket 13, top jacket 12 and two side jackets enclosed into rectangular cavity;The side jacket includes roller bar box 5 and two communication jackets respectively arranged at the upper and lower ends of the roller bar box 5.

[0035] The roller bar box 5 includes the outer frame 501 of rectangular opening up and down and multiple tubes 502 for roller 3 to be outwardly threaded, which are arranged through the outer frame 501;Adjacent two tubes 502 have gap 503 between them;The upper and lower ends of the gap 503 are respectively communicated with adjacent communication jackets.

[0036] The communication jacket includes inner plate 14 located inside the roller kiln, outer plate 15 located outside the roller kiln and two sealing plates for closing the interval between the inner plate 14 and the outer plate 15;The inner plate 14 is provided with bending plate 16 bent by 90 degrees towards the outer plate 15 at one end close to the roller bar box 5;The bending plate 16 extends to the outside of the roller kiln;The sealing plate is provided with convex plate abutting against adjacent two bending plates 16, and the end of the convex plate is flush with the end of the bending plate 16;Two bending plates 1 and two convex plates are enclosed to form transmission box 4;The transmission box 4 is used to install the moving parts of roller 3.

[0037] The plurality of evenly distributed air permeable grooves 17 are arranged through the curved plate 16; the air permeable grooves 17 are located between the inner plate 14 and the outer plate 15; the roller bar box 5 is evenly provided with a plurality of positioning plates 504 on the upper and lower ends close to one side of the outer plate 15; the positioning plates 504 are located in the air permeable grooves 17; when the positioning plates 504 abut against the side wall of the air permeable grooves 17 away from the inner plate 14, the roller bar box 5 is flush with the inner plate 14.

[0038] The two communication jackets are an upper jacket 11 located above and a lower jacket 131 located below; the upper jacket 11 is provided with a plurality of first flange plates at the upper end; the top jacket 12 is provided with a plurality of second flange plates at the upper end; the first flange plates and the second flange plates are provided with a bend pipe 6 therebetween. The upper ends of the first flange plates and the second flange plates are flush; the bend pipe 6 is of an arc structure.

[0039] The upper end of the upper jacket 11 is provided with a first welding plate 111 close to the inner side of the roller kiln; the upper end of the top jacket 12 is provided with a second welding plate 121 towards one side of the side jacket; the first welding plate 111 and the second welding plate 121 are welded to each other. The top jacket 12 is provided with a conical cover 122 at the upper end; the conical cover 122 is provided with a connector pipe 123 at the upper end; the connector pipe 123 is used for installing a negative pressure pipeline.

[0040] The two lower jackets 131 and the bottom jacket 13 are of an integrated U-shaped structure; the lower jackets 131 and the bottom jacket 13 are communicated; the bottom jacket 13 is provided with an opening at the lower end of the central position; the opening is used for entering natural wind.

[0041] The above is only a specific embodiment of the present application, but the technical features of the present application are not limited to this, any person skilled in the art makes changes or modifications in the field of the present application, which are covered in the patent range of the present application.

Claims

1. A fully sealed roller kiln air-cooled jacket structure, characterized by: The application relates to a roller kiln, which comprises a bottom jacket, a top jacket and two side jackets, wherein the side jackets comprise a roller bar box and two communication jackets arranged above and below the roller bar box respectively, a plurality of penetrating pipes are arranged on the roller bar box, the adjacent penetrating pipes have a gap, the upper and lower ends of the gap are communicated with the adjacent communication jackets respectively, the communication jackets comprise an inner plate located on the inner side of the roller kiln and an outer plate located on the outer side of the roller kiln, the inner plate is provided with a bent plate which is bent by 90 degrees towards the outer plate at one end close to the roller bar box, the bent plate extends to the outer side of the roller kiln, and the adjacent two bent plates form a transmission box.

2. The air-cooled jacket structure according to claim 1, wherein: A plurality of evenly-distributed air permeation grooves are arranged on the bent plate, the air permeation grooves are located between the inner plate and the outer plate, a plurality of positioning plates are evenly arranged on the side of the upper and lower ends of the roller bar box close to the outer plate, and the positioning plates are located in the air permeation grooves.

3. The air-cooled jacket structure according to claim 2, wherein: When the positioning plates are in contact with the side walls of the air permeation grooves away from the inner plate, the roller bar box is flush with the inner plate.

4. The air-cooled jacket structure according to any one of claims 1 to 3, wherein: The upper end of the upper communication jacket is provided with a plurality of first flange plates, the upper end of the top jacket is provided with a plurality of second flange plates, and a bent pipe is arranged between the first flange plates and the second flange plates.

5. The air-cooled jacket structure according to claim 4, wherein: The upper ends of the first flange plates and the second flange plates are flush, and the bent pipe is in an arc structure.

6. The air-cooled jacket structure according to any one of claims 1 to 3, wherein: The upper end of the upper communication jacket close to the inner side of the roller kiln is provided with a first welding plate, the upper end of the top jacket is provided with a second welding plate on the side facing the side jacket, and the first welding plate and the second welding plate are welded with each other.

7. The air-cooled jacket structure according to any one of claims 1 to 3, wherein: The upper end of the top jacket is provided with a conical cover, and the upper end of the conical cover is provided with a joint pipe.

8. The air-cooled jacket structure according to any one of claims 1 to 3, wherein: The lower two communication jackets and the bottom jacket are in a U-shaped structure, the lower two communication jackets are communicated with the bottom jacket, and the bottom jacket is provided with an opening at the central position of the lower end.

9. The air-cooled jacket structure according to any one of claims 1 to 3, wherein: The communication jackets further comprise two sealing plates for sealing the interval between the inner plate and the outer plate, the sealing plates are provided with convex plates in contact with the adjacent two bent plates, and the ends of the convex plates are flush with the ends of the bent plates.

10. The air-cooled jacket structure according to any one of claims 1 to 3, wherein: The top jacket is located inside the two side jackets.

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