Coal injection duct sealing device

Abstract

The utility model relates to the technical field of cement production, and discloses a coal injection duct sealing device which comprises a rotary kiln, a sealing mechanism arranged on the outer wall of one end of the rotary kiln, a first limiting mechanism arranged at the top of the outer wall of one end of the rotary kiln and used for limiting the sealing mechanism, a coal injection duct arranged at one end of the rotary kiln, and a fixing sleeve arranged at one end of the sealing mechanism. A second limiting mechanism for limiting the coal injection duct is arranged on the outer wall of one side of the fixing sleeve, the first limiting mechanism comprises a U-shaped fixing block fixed to the top of the fixing sleeve, and a V-shaped limiting block is fixed to the bottom of the inner wall of the U-shaped fixing block. Through the arrangement of the first limiting mechanism, an operator pushes the fixing sleeve through the handle, at the moment, a sealing gasket seals a pipe opening, when a U-shaped limiting rod is meshed with a V-shaped groove of a V-shaped limiting block, the U-shaped limiting rod can limit the fixing sleeve at the moment, and then the effect of limiting the sealing mechanism is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cement production, in particular to a coal injection pipe sealing device. Background Art

[0002] In cement production process, in order to ensure the sintering quality of clinker, it is usually necessary to adjust the position of coal injection pipe in rotary kiln from time to time, adjust the extension or withdrawal of outer pipe in kiln and the position of coal injection nozzle in rotary kiln. The kiln door needs to be opened during adjustment, and closed after adjustment is completed, so the sealing between coal injection pipe and kiln door becomes particularly important.

[0003] However, the sealing between traditional coal injection pipe sealing devices is mostly to wrap a layer of refractory material on the surface of the coal injection pipe, and then use two half-hoop type semicircular grooves to wrap the coal injection pipe therein, and the semicircular grooves are filled with composite silicate felt to play a sealing role. However, after this method merges the semicircular grooves into a full circle, there are still gaps and poor sealing between the kiln door, and before and after adjusting the position of the coal injection pipe, the semicircular hoop needs to be frequently disassembled and assembled, which is troublesome to operate. Therefore, it is urgent to solve this kind of problem. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a coal injection pipe sealing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A coal injection pipe sealing device comprises a rotary kiln, a sealing mechanism is arranged on the outer wall of one end of the rotary kiln, a first limiting mechanism for limiting the sealing mechanism is arranged on the top of the outer wall of one end of the rotary kiln, a coal injection pipe is arranged on one end of the rotary kiln, a fixing sleeve is arranged on one end of the sealing mechanism, and a second limiting mechanism for limiting the coal injection pipe is arranged on the outer wall of one side of the fixing sleeve;

[0007] The first limiting mechanism includes a U-shaped fixing block fixed on the top of the fixing sleeve, a V-shaped limiting block is fixed to the bottom of the inner wall of the U-shaped fixing block, an L-shaped fixing plate is provided on the top of the outer wall of one end of the rotary kiln, threaded holes are provided on the outer walls of both ends of the L-shaped fixing plate, a U-shaped limiting rod is rotatably connected to the top of one end of the L-shaped fixing plate, the other end of the U-shaped limiting rod is adapted to the V-shaped limiting block, a sealing mechanism is provided on the outer wall of one end of the rotary kiln, the fixing sleeve is pushed to drive the U-shaped fixing block to move, and the U-shaped limiting rod will limit the fixing sleeve.

[0008] As a further solution of the utility model, the sealing mechanism includes a sealing gasket installed on the outer wall of one end of the fixed sleeve close to the rotary kiln, and a sealing block is fixed to the outer wall of one end of the sealing gasket away from the rotary kiln, and the sealing block is located on the outer wall of the fixed sleeve.

[0009] As a further solution of the utility model, a first fixing plate is fixed to the top of the outer wall of one side of the L-shaped fixing plate, a first spring is fixed to the outer wall of one end of the first fixing plate close to the U-shaped limiting rod, and the other end of the first spring is fixed to the outer wall of one side of the U-shaped limiting rod.

[0010] As a further solution of the utility model, the top and bottom of the inner wall of the fixed sleeve are both provided with a first slide groove, a sliding block adapted therefor is slidably provided inside the first slide groove, and a same coal injection pipe is fixed to the mutually adjacent sides of the two sliding blocks.

[0011] As a further solution of the utility model, an arc-shaped slide groove is provided on one side of the first slide grooves which is away from each other, and a second limiting mechanism is provided on the outer wall of one of the arc-shaped slide grooves.

[0012] As a further solution of the present utility model, the second limiting mechanism includes a second limiting column slidably arranged on an outer wall of one side of the fixed sleeve, and the second limiting column passes through the outer walls on both sides of the fixed sleeve, a circular block is fixed to the end of the second limiting column away from the fixed sleeve, a second spring is fixed to an outer wall of one side of the fixed sleeve, and the other end of the second spring is fixed to an outer wall of one side of the circular block, and pulling the circular block will limit the slider.

[0013] As a further solution of the utility model, mounting blocks are fixed to the top and bottom of the outer walls on both sides of the fixed sleeve, and the same handle is fixed to the sides of the two mounting blocks close to each other, and the outer wall of the handle is provided with an insulating tube.

[0014] The beneficial effects of the utility model are:

[0015] The utility model: by providing a first limiting mechanism, the operator pushes the fixed sleeve through the handle, and the sealing gasket seals the pipe mouth. When the U-shaped limiting rod engages with the V-groove of the V-shaped limiting block, the U-shaped limiting rod will limit the fixed sleeve, thereby achieving the effect of limiting the sealing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a coal injection pipe sealing device proposed by the utility model;

[0017] Figure 2 This is a first partial cross-sectional structural schematic diagram of a coal injection pipe sealing device proposed by the utility model;

[0018] Figure 3 This is a second partial structural schematic diagram of a coal injection pipe sealing device proposed by the utility model;

[0019] Figure 4 A coal injection pipe sealing device proposed by the utility model Figure 2 Enlarged structural diagram at A in the middle.

[0020] In the figure: 1. rotary kiln; 2. coal injection pipe; 3. sealing block; 4. U-shaped fixing block; 5. fixing sleeve; 6. sealing gasket; 7. V-shaped limit block; 8. L-shaped fixing plate; 9. U-shaped limit rod; 10. first fixing plate; 11. first spring; 12. first slide groove; 13. arc slide groove; 15. mounting block; 16. handle; 17. insulation tube; 18. slider; 19. round block; 20. second spring; 21. second limit column. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] Reference Figure 1-Figure 4 A coal injection pipe sealing device comprises a rotary kiln 1, a sealing mechanism is arranged on the outer wall of one end of the rotary kiln 1, a first limiting mechanism for limiting the sealing mechanism is arranged on the top of the outer wall of one end of the rotary kiln 1, a coal injection pipe 2 is arranged on one end of the rotary kiln 1, a fixed sleeve 5 is arranged on one end of the sealing mechanism, and a second limiting mechanism for limiting the coal injection pipe 2 is arranged on the outer wall of one side of the fixed sleeve 5;

[0024] The first limiting mechanism includes a U-shaped fixing block 4 fixed on the top of the fixing sleeve 5, a V-shaped limiting block 7 is fixed to the bottom of the inner wall of the U-shaped fixing block 4, an L-shaped fixing plate 8 is provided on the top of the outer wall of one end of the rotary kiln 1, threaded holes are provided on the outer walls of both ends of the L-shaped fixing plate 8, a U-shaped limiting rod 9 is rotatably connected to the top of one end of the L-shaped fixing plate 8, and the other end of the U-shaped limiting rod 9 is adapted to the V-shaped limiting block 7, a sealing mechanism is provided on the outer wall of one end of the rotary kiln 1, the fixing sleeve 5 is pushed to drive the U-shaped fixing block 4 to move, and at this time the U-shaped limiting rod 9 will limit the fixing sleeve 5.

[0025] In this embodiment, the sealing mechanism includes a sealing gasket 6 installed on the outer wall of one end of the fixed sleeve 5 close to the rotary kiln 1 , and a sealing block 3 is fixed to the outer wall of the end of the sealing gasket 6 away from the rotary kiln 1 , and the sealing block 3 is located on the outer wall of the fixed sleeve 5 .

[0026] In this embodiment, a first fixing plate 10 is fixed to the top of the outer wall of one side of the L-shaped fixing plate 8, and a first spring 11 is fixed to the outer wall of one end of the first fixing plate 10 close to the U-shaped limiting rod 9, and the other end of the first spring 11 is fixed to the outer wall of one side of the U-shaped limiting rod 9.

[0027] In this embodiment, the top and bottom of the inner wall of the fixed sleeve 5 are both provided with a first slide groove 12, and a sliding block 18 adapted thereto is slidably provided inside the first slide groove 12, and the same coal injection pipe 2 is fixed to the side of the two sliding blocks 18 close to each other.

[0028] In this embodiment, an arc-shaped sliding groove 13 is formed on a side of the first sliding groove 12 that is away from each other, and a second limiting mechanism is formed on an outer wall of one of the arc-shaped sliding grooves 13 .

[0029] In this embodiment, the second limiting mechanism includes a second limiting column 21 slidably arranged on the outer wall of one side of the fixed sleeve 5, and the second limiting column 21 passes through the outer walls on both sides of the fixed sleeve 5. A circular block 19 is fixed to the end of the second limiting column 21 away from the fixed sleeve 5, and a second spring 20 is fixed to the outer wall of one side of the fixed sleeve 5. The other end of the second spring 20 is fixed to the outer wall of one side of the circular block 19. Pulling the circular block 19 will limit the slider 18.

[0030] In this embodiment, mounting blocks 15 are fixed to the top and bottom of the outer walls of both sides of the fixed sleeve 5 , and a handle 16 is fixed to the side of the two mounting blocks 15 close to each other, and an insulating tube 17 is provided on the outer wall of the handle 16 .

[0031] Working principle: when in use, first fix the L-shaped fixing plate 8 on the outer wall of the rotary kiln 1 through the threaded hole, and then align the first slide groove 12 with the slider 18 and insert it. When the slider 18 reaches a certain position, the fixing sleeve 5 is rotated, and the slider 18 rotates in the arc-shaped slide groove 13. At this time, the circular block 19 is pulled, and the circular block 19 drives the second limiting column 21 away from the coal injection pipe 2. When the slider 18 reaches a certain position, the circular block 19 is released, and the second spring 20 resets the second limiting column 21, and the second limiting column 21 limits the slider 18, thereby achieving the limiting of the slider 18. Effect, then the coal injection pipe 2 is installed on the kiln door of the rotary kiln 1, at this time the operator pushes the fixed sleeve 5 through the handle 16, at this time the insulation tube 17 will prevent the operator from being scalded, at this time the sealing gasket 6 will seal the pipe mouth, at this time the fixed sleeve 5 will drive the U-shaped fixed block 4 to move, at this time the U-shaped fixed block 4 will drive the V-shaped limit block 7 to move, at this time the bottom of one end of the U-shaped limit rod 9 will slide on the outer wall of the V-shaped limit block 7, when the U-shaped limit rod 9 is engaged with the V-groove of the V-shaped limit block 7, at this time the U-shaped limit rod 9 will limit the fixed sleeve 5, thereby achieving the effect of limiting the sealing mechanism.

[0032] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0033] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0034] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0035] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A coal injection pipe sealing device, comprising a rotary kiln (1), characterized in that: A sealing mechanism is provided on the outer wall at one end of the rotary kiln (1); a first limiting mechanism for limiting the sealing mechanism is provided on the top of the outer wall at one end of the rotary kiln (1); a coal injection pipe (2) is provided at one end of the rotary kiln (1); a fixing sleeve (5) is provided at one end of the sealing mechanism; and a second limiting mechanism for limiting the coal injection pipe (2) is provided on the outer wall at one side of the fixing sleeve (5); The first limiting mechanism comprises a U-shaped fixing block (4) fixed on the top of the fixing sleeve (5); a V-shaped limiting block (7) is fixed on the bottom of the inner wall of the U-shaped fixing block (4); an L-shaped fixing plate (8) is provided on the top of the outer wall of one end of the rotary kiln (1); threaded holes are provided on the outer walls of both ends of the L-shaped fixing plate (8); a U-shaped limiting rod (9) is rotatably connected to the top of one end of the L-shaped fixing plate (8); the other end of the U-shaped limiting rod (9) is matched with the V-shaped limiting block (7); and a sealing mechanism is provided on the outer wall of one end of the rotary kiln (1).

2. The coal injection pipe sealing device according to claim 1, characterized in that: The sealing mechanism comprises a sealing gasket (6) installed on the outer wall of one end of the fixed sleeve (5) close to the rotary kiln (1), a sealing block (3) is fixed on the outer wall of one end of the sealing gasket (6) away from the rotary kiln (1), and the sealing block (3) is located on the outer wall of the fixed sleeve (5).

3. The coal injection pipe sealing device according to claim 1, characterized in that: A first fixing plate (10) is fixed to the top of the outer wall of one side of the L-shaped fixing plate (8), a first spring (11) is fixed to the outer wall of one end of the first fixing plate (10) close to the U-shaped limiting rod (9), and the other end of the first spring (11) is fixed to the outer wall of one side of the U-shaped limiting rod (9).

4. The coal injection pipe sealing device according to claim 3, characterized in that: The top and bottom of the inner wall of the fixed sleeve (5) are both provided with a first slide groove (12), and a sliding block (18) adapted thereto is slidably provided inside the first slide groove (12), and a same coal injection pipe (2) is fixed to the mutually adjacent sides of the two sliding blocks (18).

5. The coal injection pipe sealing device according to claim 4, characterized in that: An arc-shaped slide groove (13) is provided on a side of the first slide groove (12) that is away from each other, and a second limiting mechanism is provided on an outer wall of one of the arc-shaped slide grooves (13).

6. The coal injection pipe sealing device according to claim 5, characterized in that: The second limiting mechanism comprises a second limiting column (21) slidably arranged on the outer wall of one side of the fixed sleeve (5), and the second limiting column (21) penetrates the outer walls of both sides of the fixed sleeve (5), and a circular block (19) is fixed to one end of the second limiting column (21) away from the fixed sleeve (5), and a second spring (20) is fixed to the outer wall of one side of the fixed sleeve (5), and the other end of the second spring (20) is fixed to the outer wall of one side of the circular block (19).

7. The coal injection pipe sealing device according to claim 1, characterized in that: Mounting blocks (15) are fixed on the top and bottom of the outer walls of both sides of the fixed sleeve (5), and a handle (16) is fixed on the sides of the two mounting blocks (15) close to each other, and a heat insulation tube (17) is provided on the outer wall of the handle (16).

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