Rotary kiln sealing structure and zinc oxide rotary kiln

Abstract

The utility model relates to the technical field of zinc oxide rotary kilns, and discloses a rotary kiln sealing structure which comprises a first base, an ash deposition hopper, a sealing shell and a sealing assembly. The sealing assembly comprises a fish scale fixing plate located at the joint of the sealing assembly and the ash deposition hopper, a fish scale pressing plate is arranged on the side, away from the ash deposition hopper, of the fish scale fixing plate, a bolt fixing plate is arranged on the side, facing the ash deposition hopper, of the fish scale fixing plate, and a sealing ring is arranged at the joint of the bolt fixing plate and the ash deposition hopper. According to the rotary kiln sealing structure and the zinc oxide rotary kiln, by introducing the design of the fish scale fixing plate and the fish scale pressing plate, the connection stability and the sealing effect between the sealing assembly and the ash deposition hopper are remarkably improved, heat leakage and dust escape are effectively prevented, the stability of the internal environment of the rotary kiln is guaranteed, and meanwhile the sealing effect is improved. Due to the arrangement of the bolt fixing plate, the locking nut on the bolt fixing plate and the locking gasket on the bolt fixing plate, the fixing strength of the sealing assembly is enhanced, and the sealing performance of the sealing assembly is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of zinc oxide rotary kilns, in particular to a rotary kiln sealing structure and a zinc oxide rotary kiln. Background Art

[0002] The rotary kiln sealing structure is a key component used in rotary kiln equipment to prevent heat leakage, dust escape and other problems. It is commonly used in high-temperature industrial environments.

[0003] At present, there are various sealing structures of rotary kilns, but there are generally problems such as poor sealing effect, easy wear, and difficult maintenance. Especially when the rotary kiln is operated for a long time and the temperature changes greatly, the damage and leakage of the seals often occur, which brings great hidden dangers to production safety and environmental protection. Therefore, the utility model provides a rotary kiln sealing structure and a zinc oxide rotary kiln. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a rotary kiln sealing structure and a zinc oxide rotary kiln, which have the advantages of good sealing effect and stable connection, and solve the problems of poor sealing effect and unstable connection.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of good sealing effect and stable connection, the utility model provides the following technical solutions:

[0008] A rotary kiln sealing structure comprises a first base, an ash hopper, a sealing shell, and a sealing assembly;

[0009] The sealing assembly includes a fish scale fixing plate located at the connection between the sealing assembly and the ash hopper, a fish scale pressure plate is provided on the side of the fish scale fixing plate away from the ash hopper, a bolt fixing plate is provided on the side of the fish scale fixing plate facing the ash hopper, and a sealing ring is provided at the connection between the bolt fixing plate and the ash hopper.

[0010] As a preferred technical solution of the utility model, the bolt fixing plate includes a locking nut located outside the bolt fixing plate, and a plurality of locking nuts are distributed around the center of the bolt fixing plate. A locking washer corresponding to the locking nut is provided inside the bolt fixing plate.

[0011] As a preferred technical solution of the utility model, a clamping ring is provided at the connection between the sealing ring and the bolt fixing plate, the clamping ring is fixed to the bolt fixing plate by bolts, and the sealing ring is clamped to the clamping ring.

[0012] As a preferred technical solution of the utility model, the first base is located at the bottom of the ash hopper, the sealing assembly is connected to the ash hopper by bolts, and the fish scale pressure plate is connected to the sealing shell by bolts.

[0013] On the other hand, the utility model provides a zinc oxide rotary kiln, comprising a kiln body, a gear ring, and a rolling ring;

[0014] A bearing is provided in the middle of the kiln body, and a second base is provided at the bottom of the bearing.

[0015] As a preferred technical solution of the utility model, the rotary kiln body is a long, hollow cylindrical structure, the bearing is rotatably connected to the side wall of the kiln body, and the bearing is fixed to the top of the second base by bolts.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a rotary kiln sealing structure and a zinc oxide rotary kiln, which have the following beneficial effects:

[0018] The rotary kiln sealing structure and the zinc oxide rotary kiln have significantly improved the connection stability and sealing effect between the sealing component and the ash hopper by introducing the design of the fish scale fixing plate and the fish scale pressing plate, effectively preventing heat leakage and dust escape, and ensuring the stability of the internal environment of the rotary kiln. At the same time, the setting of the bolt fixing plate and the locking nut and locking washer thereon not only enhances the fixing strength of the sealing component, but also further improves its sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the sealing component structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the bolt fixing plate of the utility model.

[0022] In the figure: 1. first base; 2. ash hopper; 3. sealing shell; 4. sealing assembly; 5. fish scale fixing plate; 6. fish scale pressure plate; 7. bolt fixing plate; 8. sealing ring; 9. locking nut; 10. locking washer; 11. clamping ring; 12. kiln body; 13. gear ring; 14. rolling ring; 15. bearing; 16. second base. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1-3 ,

[0027] Embodiment 1: A rotary kiln sealing structure comprises a first base 1, an ash hopper 2, a sealing shell 3, and a sealing assembly 4;

[0028] It should be noted that: the ash hopper 2 is used to collect and process dust and impurities generated during the operation of the rotary kiln to prevent them from entering the sealing assembly and the inside of the rotary kiln; the sealing shell 3 and the sealing assembly 4 together constitute the sealing structure of the rotary kiln to prevent heat leakage and dust escape; the sealing assembly 4 is composed of multiple components, including a fish scale fixing plate 5, a fish scale pressure plate 6, a bolt fixing plate 7 and a sealing ring 8 to ensure the sealing performance of the rotary kiln.

[0029] The sealing assembly includes a fish scale fixing plate 5 located at the connection between the sealing assembly 4 and the ash hopper 2. The fish scale fixing plate 5 provides fixing and sealing functions. A fish scale pressing plate 6 is provided on the side of the fish scale fixing plate 5 away from the ash hopper 2. The fish scale pressing plate 6 is used in conjunction with the fish scale fixing plate 5 and the sealing shell 3 is connected by bolts to further enhance the sealing effect. A bolt fixing plate 7 is provided on the side of the fish scale fixing plate 5 facing the ash hopper 2. The bolt fixing plate 7 is connected to the ash hopper 2 by bolts to ensure the stability of the sealing assembly. A sealing ring 8 is provided at the connection between the bolt fixing plate 7 and the ash hopper 2. The sealing ring 8 provides additional sealing effect to prevent dust and heat leakage.

[0030] It should be noted that: the first base 1 is located at the bottom of the ash hopper 2, the sealing assembly 4 is connected to the ash hopper 2 through bolts, and the fish scale pressure plate 6 is connected to the sealing shell 3 through bolts.

[0031] In this embodiment, the bolt fixing plate 7 includes a locking nut 9 located on the outside of the bolt fixing plate 7. The locking nut 9 is used to tighten and lock the bolt to ensure the stability of the sealing assembly. There are several locking nuts 9 distributed around the center of the bolt fixing plate 7. A locking washer 10 corresponding to the locking nut 9 is provided inside the bolt fixing plate 7. The locking washer 10 corresponds to the locking nut 9 and is used to enhance the locking effect and prevent the bolt from loosening.

[0032] In this embodiment, a clamping ring 11 is provided at the connection between the sealing ring 8 and the bolt fixing plate 7. The clamping ring 11 is used to fix and support the sealing ring 8. The clamping ring 11 is fixed to the bolt fixing plate 7 by bolts, and the sealing ring 8 is clamped to the clamping ring 11.

[0033] Embodiment 2: A zinc oxide rotary kiln, which is applied to a rotary kiln sealing structure assembled in any one of claims 1 to 4 above, comprises a kiln body 12, a gear ring 13, and a roller ring 14; wherein the kiln body 12 is the main part of the zinc oxide rotary kiln, and is used to carry materials for calcination and processing; the gear ring 13 is used in conjunction with the kiln body 12 to transmit power and drive the kiln body to rotate; the roller ring 14 is used to support the kiln body and provide rotation stability.

[0034] A bearing 15 is provided in the middle of the kiln body 12 , and the bearing 15 supports the rotation of the kiln body and reduces friction and wear during the rotation process. A second base 16 is provided at the bottom of the bearing 15 .

[0035] It should be noted that the rotary kiln body 12 is a long, hollow cylindrical structure, and the bearing 15 is rotatably connected to the side wall of the kiln body 12 . The bearing 15 is fixed to the top of the second base 16 by bolts.

[0036] Beneficial effects of the above embodiments:

[0037] The rotary kiln sealing structure and the zinc oxide rotary kiln, by introducing the design of the fish scale fixing plate 5 and the fish scale pressing plate 6, the connection stability and sealing effect between the sealing component 4 and the ash hopper 2 are significantly improved, and heat leakage and dust escape are effectively prevented, thereby ensuring the stability of the internal environment of the rotary kiln. At the same time, the arrangement of the bolt fixing plate 7 and the locking nut 9 and the locking washer 10 thereon not only enhances the fixing strength of the sealing component, but also further improves its sealing performance.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary kiln sealing structure, comprising a first base, an ash hopper, a sealing shell, and a sealing assembly; Features: The sealing assembly includes a fish scale fixing plate located at the connection between the sealing assembly and the ash hopper, a fish scale pressure plate is provided on the side of the fish scale fixing plate away from the ash hopper, a bolt fixing plate is provided on the side of the fish scale fixing plate facing the ash hopper, and a sealing ring is provided at the connection between the bolt fixing plate and the ash hopper.

2. A rotary kiln sealing structure according to claim 1, characterized in that: The bolt fixing plate comprises a locking nut located outside the bolt fixing plate, a plurality of the locking nuts are distributed around the center of the bolt fixing plate, and a locking washer corresponding to the locking nut is arranged inside the bolt fixing plate.

3. A rotary kiln sealing structure according to claim 1, characterized in that: A clamping ring is provided at the connection between the sealing ring and the bolt fixing plate. The clamping ring is fixed to the bolt fixing plate by bolts, and the sealing ring is clamped with the clamping ring.

4. A rotary kiln sealing structure according to claim 1, characterized in that: The first base is located at the bottom of the ash hopper, the sealing assembly is connected to the ash hopper through bolts, and the fish scale pressure plate is connected to the sealing shell through bolts.

5. A zinc oxide rotary kiln, which is applied to a rotary kiln sealing structure as described in any one of claims 1 to 4, comprising a kiln body, a gear ring, and a roller ring; Features: A bearing is provided in the middle of the kiln body, and a second base is provided at the bottom of the bearing.

6. A zinc oxide rotary kiln according to claim 5, characterized in that: The kiln body is a long, hollow cylindrical structure. The bearing is rotatably connected to the side wall of the kiln body and is fixed to the top of the second base by bolts.

Images