Reverse overlying double-layer fish scale sealing device

Abstract

The utility model relates to the technical field of rotary kiln sealing, in particular to a reverse overlying double-layer fish scale sealing device which is characterized in that a kiln tail cover is cylindrical, a feeding pipeline is arranged at the circle center of the kiln tail cover, the feeding pipeline is a cylindrical flange plate, an end socket pipeline is arranged at the top end of the kiln tail cover, and the end socket pipeline is a cylindrical flange plate. A discharge port is formed in the bottom end of the kiln tail cover, a plurality of holes are formed in the discharge port, a square pipeline is arranged on one side of the discharge port, the square pipeline is communicated with the interior of the discharge port, fixing beams are arranged on the two sides of the kiln tail cover, a supporting frame is arranged on the fixing beams, a cross beam is arranged in the middle of the supporting frame, and the cross beam is connected with the kiln tail cover. The sealing device is applied to sealing among a rotary kiln (movable equipment), a kiln head cover and a kiln tail cover (static equipment), and in the operation process of the rotary kiln, part of the process needs to be carried out in a negative pressure state, so that the sealing device is used.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary kiln seals, and particularly relates to a reverse laminated double-layer fish scale seal device. Background Art

[0002] The current technical situation: At present, most rotary kiln seal devices mainly adopt single-layer fish scales or a composite seal of fish scales plus labyrinth seals. Comparing these two sealing methods, the latter definitely has a better effect than the former. However, the labyrinth composite seal has the disadvantages of being prone to wear and difficult to maintain. Content of the Utility Model

[0003] To achieve the above object, the utility model provides the following technical solutions:

[0004] A reverse laminated double-layer fish scale seal device, where the rotary kiln cylinder is connected to the kiln tail hood. A double-layer fish scale is arranged between the rotary kiln cylinder and the kiln tail hood. The double-layer fish scale is distributed in a circular pattern centered on the rotary kiln cylinder, and the reverse laminated double-layer fish scale seal is adopted. This seal is a double-layer fish scale seal, and each fish scale overlaps with each other to ensure sealing. Moreover, the overlapping directions of each layer of fish scale seal are opposite, thereby reducing the leakage amount of the gaps between the pieces and increasing the sealing effect. A number of holes are arranged on the double-layer fish scale. The kiln tail hood is cylindrical, and a feeding pipe is arranged at the center of the circle of the kiln tail hood. The feeding pipe is a cylindrical flange. A head pipe is arranged at the top of the kiln tail hood, and the head pipe is a cylindrical flange. An outlet is arranged at the bottom of the kiln tail hood, and a number of holes are arranged on the outlet. A square pipe is arranged on one side of the outlet, and the square pipe is internally connected to the outlet. Fixed beams are arranged on both sides of the kiln tail hood, and support frames are arranged on the fixed beams. A cross beam is arranged in the middle of the support frame, and the cross beam is connected to the kiln tail hood.

[0005] Preferably, the first layer of the double-layer fish scale is formed by a number of first-layer fish scales overlapping with each other in the forward direction centered on the rotary kiln cylinder, and the second layer of the double-layer fish scale is formed by a number of second-layer fish scales overlapping with each other in the reverse direction centered on the rotary kiln cylinder.

[0006] Preferably, a number of mounting holes are arranged on the feeding pipe and the head pipe. The feeding pipe is internally connected to the kiln tail hood, and the head pipe is internally connected to the kiln tail hood.

[0007] Preferably, the fixed beam, the support frame, and the cross beam are all hollow structures in the middle to reduce the weight of the reverse laminated double-layer fish scale seal device.

[0008] Preferably, the double-layer fish scale is bolted to the kiln tail hood, which is convenient for maintenance and disassembly. The overlapping directions of each layer of fish scale seal are opposite, thereby reducing the leakage amount of the gaps between the pieces and increasing the sealing effect

[0009] Preferably, a fixing plate is provided at the bottom of the support frame, and a plurality of mounting holes are provided on the fixing plate for easy installation and fixation.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] Double layer is better than single layer, with better sealing effect; the structure is simple and easy to replace, can be replaced locally, and is convenient for maintenance; the double-layer fish scales are reversely laminated, with strong sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a front three-dimensional structural schematic diagram of the utility model;

[0013] Figure 2 is a rear three-dimensional structural schematic diagram of the utility model;

[0014] Figure 3 is a rear view of the utility model;

[0015] Figure 4 is the utility model Figure 3 is a partial enlarged view of the double-layer fish scales (10) in the utility model.

[0016] Annotation of reference numerals: 1, rotary kiln cylinder; 2, kiln tail hood; 3, fixed beam; 4, support frame; 5, cross beam; 6, square pipeline; 7, discharge port; 8, feed pipeline; 9, head pipeline; 10, double-layer fish scales; 101, first-layer fish scales; 102, first-layer pressing plate; 103, second-layer fish scales; 104, second-layer pressing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] As Figures 1-3 shown, a reverse-laminated double-layer fish scale sealing device, the kiln tail hood 2 is cylindrical, a feed pipeline 8 is provided at the center of the circle of the kiln tail hood 2, the feed pipeline 8 is a cylindrical flange, a plurality of mounting holes are provided on the feed pipeline 8 and the head pipeline 9, the feed pipeline 8 is internally connected to the kiln tail hood 2, and the head pipeline 9 is internally connected to the kiln tail hood 2.

[0019] At the top of the kiln tail hood 2, there is a head pipe 9 which is a cylindrical flange. At the bottom of the kiln tail hood 2, there is a discharge port 7 with several holes. On one side of the discharge port 7, there is a square pipe 6 which is connected to the inside of the discharge port 7. On both sides of the kiln tail hood 2, there are fixed beams 3. On the fixed beams 3, there are support frames 4. In the middle part of the support frames 4, there is a cross beam 5. The fixed beams 3, support frames 4 and cross beam 5 are all hollow structures in the middle to reduce the weight of the reverse laminated double-layer fish scale sealing device. The cross beam 5 is connected to the kiln tail hood 2. At the bottom of the support frame 4, there is a fixed plate with several mounting holes for easy installation and fixation.

[0020] As Figure 4 shown, a reverse laminated double-layer fish scale sealing device. The double-layer fish scales 10 are composed of the first-layer fish scales 101, the first-layer pressing plates 102, the second-layer fish scales 103 and the second-layer pressing plates 104. There are several first-layer fish scales 101 on the first-layer pressing plates 102, and several second-layer fish scales 103 on the second-layer pressing plates 104. The first layer of the double-layer fish scales is formed by several first-layer fish scales being laminated in the forward direction with each other, and the second layer of the double-layer fish scales is formed by several second-layer fish scales being laminated in the reverse direction with each other. Between the rotary kiln shell 1 and the kiln tail hood 2, there are double-layer fish scales 10. There are several holes on the double-layer fish scales 10. The double-layer fish scales 10 are bolted to the kiln tail hood 2. The lamination directions of each layer of fish scale seals are opposite, thus reducing the leakage amount between the flakes and increasing the sealing effect.

[0021] In the description of the present invention, it should be understood that the terms "forward", "reverse", "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0022] In the present invention, unless otherwise clearly specified and defined, the terms "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A reversely laminated double-layer fish scale sealing device, comprising a rotary kiln cylinder (1) and a kiln tail hood (2), wherein the rotary kiln cylinder (1) is connected to the kiln tail hood (2), characterized in that: A double-layer fish scale (10) is arranged between a rotary kiln cylinder (1) and a kiln tail cover (2). The double-layer fish scale (10) is distributed in a circle with the rotary kiln cylinder (1) as the center. The double-layer fish scale (10) is composed of a first-layer fish scale (101), a first laminate (102), a second-layer fish scale (103) and a second laminate (104). A plurality of first-layer fish scales (101) are arranged on the first laminate (102), and a plurality of second-layer fish scales (103) are arranged on the second laminate (104). A plurality of holes are arranged on the double-layer fish scale (10). The kiln tail cover (2) is cylindrical. A feed pipe (8) is arranged at the center of the circle, and the feed pipe (8) is a cylindrical flange. A sealing pipe (9) is arranged at the top of the kiln tail cover (2), and the sealing pipe (9) is a cylindrical flange. A discharge port (7) is arranged at the bottom of the kiln tail cover (2), and a plurality of holes are arranged on the discharge port (7). A square pipe (6) is arranged on one side of the discharge port (7), and the square pipe (6) is connected to the inside of the discharge port (7). Fixed beams (3) are arranged on both sides of the kiln tail cover (2), and a support frame (4) is arranged on the fixed beam (3). A cross beam (5) is arranged in the middle of the support frame (4), and the cross beam (5) is connected to the kiln tail cover (2).

2. The reverse laminated double-layer fish scale sealing device according to claim 1, characterized in that: The first layer of the double-layer fish scale (10) is formed by a plurality of first-layer fish scales (101) being mutually superimposed in a positive direction with the rotary kiln cylinder (1) as the center, and the second layer of the double-layer fish scale (10) is formed by a plurality of second-layer fish scales (103) being mutually superimposed in a negative direction with the rotary kiln cylinder (1) as the center.

3. The reverse laminated double-layer fish scale sealing device according to claim 1, characterized in that: A plurality of mounting holes are provided on the feed pipe (8) and the sealing pipe (9); the feed pipe (8) is connected to the interior of the kiln tail cover (2); and the sealing pipe (9) is connected to the interior of the kiln tail cover (2).

4. The reverse laminated double-layer fish scale sealing device according to claim 1, characterized in that: The fixed beam (3), the supporting frame (4) and the cross beam (5) are all hollow structures in the middle.

5. The reverse laminated double-layer fish scale sealing device according to claim 1, characterized in that: The double-layer fish scale (10) is connected to the kiln tail cover (2) by bolts.

6. The reverse laminated double-layer fish scale sealing device according to claim 1, characterized in that: A fixing plate is arranged at the bottom of the support frame (4), and a plurality of mounting holes are arranged on the fixing plate.

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