A rotary kiln head sealing structure

Abstract

The utility model provides a rotary kiln kiln head sealing structure, including the furnace body, the end of furnace body is provided with the flange, still includes the connecting band, the connecting band sets up in the inside of flange, bolt, bolt penetrates the connecting band, inner sealing board, inner sealing board sets up in the outside of connecting band, heat -insulating pad, heat -insulating pad sets up in the outside of inner sealing board, outer sealing board, outer sealing board sets up in the outside of heat -insulating pad, the pressing plate, the pressing plate sets up in the outside of outer sealing board, the advantage is not only can realize the sealing, and heat -insulating effect is good, and the sealing effect is good.

Description

Technical Field

[0001] This utility model relates to the technical field of rotary kilns, and specifically to a rotary kiln head sealing structure. Background Technology

[0002] Existing rotary kilns, after prolonged operation, are subjected to high temperatures at the kiln head, which can easily lead to deformation of the sealing parts, resulting in poor sealing performance and reduced structural strength, seriously affecting material production.

[0003] A patent publication number CN223435440U was found, entitled "A Sealing Structure for the Kiln Head of a Cement Rotary Kiln," which specifically discloses a sealing structure for the kiln head of a cement rotary kiln. The structure includes a fixed flange, with multiple sets of sealing plates on the outer wall of the fixed flange. A hook is provided on the upper surface of each sealing plate, and a steel wire contacts the inner wall of the right end of each hook. An adjustment mechanism is provided on the outer wall of the bottom end of the steel wire, and a weighting mechanism is provided on the outer wall of the adjustment mechanism. The weighting mechanism includes a placement shell, with a locking block fixedly connected to the front surface of the placement shell. A protective plate is slidably connected to the upper surface of the placement shell, and a latch is provided on the right surface of the protective plate. The left surface of the bottom end of the latch is located on the right surface of the top of the placement shell, and a blocking component is provided on the right surface of the placement shell.

[0004] Analysis of the publicly available materials shows that sealing of the kiln head can be achieved, but the sealing effect is not good, especially at the kiln head, where the seal is relatively weak and heat is easily lost. Utility Model Content

[0005] In view of this, the present invention provides a rotary kiln head sealing structure that not only achieves sealing, but also has good heat insulation and sealing effects.

[0006] To solve the above-mentioned technical problems, this utility model provides a rotary kiln head sealing structure, including a furnace body, with a flange provided at the end of the furnace body, and also includes... A connecting strip, wherein the connecting strip is disposed on the inside of the flange; Bolts, the bolts penetrating the connecting strip; An inner sealing plate is disposed on the outside of the connecting strip; A heat insulation pad, wherein the heat insulation pad is disposed on the outside of the inner sealing plate; An outer sealing plate, wherein the outer sealing plate is disposed on the outside of the heat insulation pad; A pressure plate is disposed on the outside of the outer sealing plate.

[0007] Furthermore, the connecting band has a ring structure and is inclined inward, the bolt passes through the connecting band from the inside to the outside, and the bolt and the connecting band are fixedly connected.

[0008] Furthermore, the inner sealing plate has an arc-shaped plate structure, and the inner sealing plate is provided with holes, with two holes provided on one inner sealing plate. These holes are used for connecting bolts, and the inner side of the inner sealing plate and the outer side of the connecting strip are in contact connection.

[0009] Furthermore, the heat insulation pad is disposed between two adjacent inner sealing plates, and the inner side of the heat insulation pad contacts and connects to the outer side of the inner sealing plate, for sealing the gap between the two adjacent inner sealing plates.

[0010] Furthermore, the outer sealing plate is an arc-shaped structure with intervals, used to fix the heat insulation pad.

[0011] Furthermore, the pressure plate is positioned between adjacent outer sealing plates, and a connecting block is provided on the pressure plate. The connecting block is located at the outer end and is U-shaped, used to connect the pull rope.

[0012] The beneficial effects of the above-mentioned technical solution of this utility model are as follows: 1. By setting an inner sealing plate and an outer sealing plate, the kiln head can be sealed.

[0013] 2. By setting up a heat insulation pad, a good heat insulation effect is achieved; by setting up a pressure plate, a good sealing effect is achieved. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 for Figure 1 Enlarged view of section A; In the diagram: 1. Furnace body; 2. Flange; 3. Connecting strip; 4. Bolt; 5. Inner sealing plate; 6. Heat insulation pad; 7. Outer sealing plate; 8. Pressure plate; 9. Gasket; 10. Connecting block. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the appendices of the embodiments of this utility model. Figures 1 to 2 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0016] like Figures 1 to 2 As shown: Example

[0017] A rotary kiln head sealing structure includes a furnace body 1, with a flange 2 at one end of the furnace body 1, and a connecting strip 3 disposed on the inner side of the flange 2; bolts 4 passing through the connecting strip 3; an inner sealing plate 5 disposed on the outer side of the connecting strip 3; a heat insulation pad 6 disposed on the outer side of the inner sealing plate 5; an outer sealing plate 7 disposed on the outer side of the heat insulation pad 6; and a pressure plate 8 disposed on the outer side of the outer sealing plate 7.

[0018] In this embodiment, flange 2 is the end position of furnace body 1. A connecting strip 3 is provided on the inner side of flange 2. Bolt 4 is provided on the connecting strip 3. Inner sealing plate 5 is provided on bolt 4. Heat insulation pad 6 is provided on the outer side of inner sealing plate 5. Outer sealing plate 7 is provided on the outer side of heat insulation pad 6. In order to lock the outer sealing plate 7, pressure plate 8 is provided on the outer sealing plate 7. Example

[0019] The connecting band 3 has a ring structure and is inclined inward. The bolt 4 passes through the connecting band 3 from the inside to the outside, and the bolt 4 and the connecting band 3 are fixedly connected.

[0020] Unlike the above embodiments, in this embodiment, the connecting strip 3 has a ring-shaped structure and is inclined inward. A hole is provided on the connecting strip 3, and a bolt 4 is installed in the hole. Example

[0021] The inner sealing plate 5 has an arc-shaped plate structure and holes. Two holes are provided on each inner sealing plate 5. These holes are used to connect bolts 4. The inner side of the inner sealing plate 5 and the outer side of the connecting strip 3 are in contact connection.

[0022] Unlike the above embodiments, in this embodiment, there are several inner sealing plates 5, and two bolts 4 are equipped with one inner sealing plate 5. Two holes are provided on the inner sealing plate 5, which can be directly installed on the bolts 4. Example

[0023] The heat insulation pad 6 is disposed between two adjacent inner sealing plates 5, and the inner side of the heat insulation pad 6 contacts and connects to the outer side of the inner sealing plate 5, for sealing the gap between the two adjacent inner sealing plates 5.

[0024] Unlike the above embodiments, in this embodiment, since there are gaps between the inner sealing plates 5, in order to avoid excessive heat loss, a heat insulation pad 6 is provided on the outside of the inner sealing plates 5 to include the inner sealing plates 5. Example

[0025] The outer sealing plate 7 is an arc-shaped structure with intervals, used to fix the heat insulation pad 6.

[0026] Unlike the above embodiments, in this embodiment, the outer sealing plates 7 are spaced apart, each outer sealing plate 7 is equipped with two bolts 4, and is staggered with the inner sealing plate 5. Example

[0027] The pressure plate 8 is positioned between adjacent outer sealing plates 7. A connecting block 10 is provided on the pressure plate 8. The connecting block 10 is located at the outer end and is U-shaped, used to connect the pull rope.

[0028] Unlike the above embodiments, in this embodiment, one end of the pressure plate 8 is connected to the bolt 4, and the other end is provided with a connecting block 10. The connecting block 10 is U-shaped, and the pull rope can be set inside the connecting block 10 to achieve locking by pulling the rope. A pad block 9 is also provided at the end of the pressure plate 8 to facilitate clamping the furnace body 1.

[0029] The working method (or working principle) of this utility model: In this process, the connecting strip 3 is first welded and fixed to the inner side of the flange 2. Then, bolts 4 are installed on the connecting strip 3. Several inner sealing plates 5 are then removed and installed in pairs of bolts 4. At this point, the installed inner sealing plates 5 have an inclined structure. Next, the heat insulation pad 6 is removed and connected to the bolts 4. During installation, the center of the heat insulation pad 6 is aligned with the middle gap between the two inner sealing plates 5. After the heat insulation pad 6 is installed, the outer sealing plate 7 is installed on the outside of the heat insulation pad 6 to fix it. Finally, the pressure plate 8 is installed on the bolts 4. A pad 9 and a connecting block 10 are set at the end of the pressure plate 8. The connecting block 10 is connected by a pull rope and then gradually tightened to achieve a seal.

[0030] In this utility model, unless otherwise explicitly specified and limited, for example, it can be a fixed connection, a detachable connection, or an integral part; 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 a connection within two components or an interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A rotary kiln head sealing structure, comprising a furnace body (1), wherein a flange (2) is provided at the end of the furnace body (1), characterized in that: Also includes A connecting strip (3) is disposed on the inner side of the flange (2); Bolt (4), which penetrates the connecting strip (3); Inner sealing plate (5), the inner sealing plate (5) is disposed on the outside of the connecting strip (3); A heat insulation pad (6) is disposed on the outside of the inner sealing plate (5); An outer sealing plate (7) is disposed on the outside of the heat insulation pad (6); Pressure plate (8), which is disposed on the outside of the outer sealing plate (7).

2. The rotary kiln head sealing structure according to claim 1, characterized in that: The connecting band (3) is a ring structure and is inclined inward. The bolt (4) passes through the connecting band (3) from the inside to the outside, and the bolt (4) and the connecting band (3) are fixedly connected.

3. The rotary kiln head sealing structure according to claim 2, characterized in that: The inner sealing plate (5) is an arc-shaped plate structure. The inner sealing plate (5) has holes, and two holes are provided on one inner sealing plate (5). The holes are used to connect bolts (4). The inner side of the inner sealing plate (5) and the outer side of the connecting strip (3) are in contact connection.

4. The rotary kiln head sealing structure according to claim 3, characterized in that: The heat insulation pad (6) is disposed between two adjacent inner sealing plates (5), and the inner side of the heat insulation pad (6) contacts and connects to the outer side of the inner sealing plate (5) to seal the gap between the two adjacent inner sealing plates (5).

5. The rotary kiln head sealing structure according to claim 4, characterized in that: The outer sealing plate (7) is an arc-shaped structure with intervals, used to fix the heat insulation pad (6).

6. The rotary kiln head sealing structure according to claim 5, characterized in that: The pressure plate (8) is positioned between adjacent outer sealing plates (7). A connecting block (10) is provided on the pressure plate (8). The connecting block (10) is positioned at the outer end and is U-shaped, used to connect the pull rope.

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