Locking adjusting device for sealing rotary kiln

Abstract

The utility model discloses a locking adjusting device for sealing a rotary kiln, which relates to the technical field of rotary kiln sealing and comprises a rope, a rope clamp, a first spring, a first adjusting fork, an adjusting screw tube, a second adjusting fork and a second spring, and the rope clamp, the first spring, the first adjusting fork, the adjusting screw tube, the second adjusting fork and the second spring are sequentially connected. The second adjusting fork is in threaded connection with the adjusting screw tube, one end of the rope is connected to the rope clamp, and the other end of the rope is connected with the end, away from the second adjusting fork, of the second spring. The locking adjusting device for sealing the rotary kiln is convenient to adjust and capable of meeting different sealing requirements and guaranteeing the sealing effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to rotary kiln sealing technical field, in particular to a kind of locking adjusting device for rotary kiln sealing. BACKGROUND

[0002] The sealing device of high-temperature rotary kiln is one of the key components to ensure its normal operation and calcination quality. The sealing sheet sealing is a common sealing method, which is a flexible sealing structure composed of several sealing sheets. The whole sealing sheet can deform with the movement of the rotary kiln, so as to adapt to the deformation of the kiln body, the cylinder body deflection and eccentricity under high-temperature use. The sealing structure is fixed on the kiln head cover or kiln tail smoke chamber, and the other end is wrapped on the rotary kiln cylinder. Steel wire rope is wound outside the end of the sealing device close to the rotary kiln cylinder, and a counterweight is connected to each end of the steel wire rope. The sealing device and the rotary kiln cylinder are sealed by tightening the steel wire rope and the counterweight. However, during use, the sealing effect of the sealing method using steel wire rope and counterweight is not good, and problems such as air leakage, scale and flying sand often occur, which not only affects the working environment and production efficiency, but also threatens the safety of workers. In addition, different counterweights need to be connected to adapt to different sealing requirements, which is inconvenient to operate.

[0003] In view of this, we propose a locking adjusting device for rotary kiln sealing to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a locking adjusting device for rotary kiln sealing to solve the problems existing in the prior art, which is convenient to adjust and can adapt to different sealing requirements to ensure the sealing effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0006] The utility model provides a locking adjusting device for rotary kiln sealing, which comprises a rope and a rope clamp, a first spring, a first adjusting fork, an adjusting screw pipe, a second adjusting fork and a second spring connected in sequence. The first adjusting fork is threadedly connected with the adjusting screw pipe. The second adjusting fork is threadedly connected with the adjusting screw pipe. One end of the rope is connected to the rope clamp, and the other end is connected to one end of the second spring away from the second adjusting fork.

[0007] In an embodiment, the adjusting screw pipe comprises an adjusting pipe and first and second nuts fixed to both ends of the adjusting pipe, respectively.

[0008] In an embodiment, the first adjusting fork has a first screw rod at one end, and the first screw rod is threadedly connected in the first nut.

[0009] In an embodiment, the second adjusting fork has a second screw rod at one end, which is screwed into the second nut.

[0010] In an embodiment, the first nut and the second nut are fixedly connected with the adjusting pipe by welding.

[0011] In an embodiment, the rope is a steel wire rope.

[0012] The utility model discloses relative to prior art has obtained following technical effect:

[0013] The locking adjusting device for the rotary kiln sealing provided by the utility model is used for surrounding the rope outside the sealing device close to one end of the rotary kiln cylinder, and the connecting length between the first adjusting fork and the adjusting screw pipe and the second adjusting fork and the adjusting screw pipe can be adjusted to adjust the compression force on the sealing sheet, tightly compress the sealing sheet on the kiln body and form effective sealing, thereby adapting to different sealing requirements, and the structure is simple and convenient to adjust. During the operation of the rotary kiln, when the kiln body produces axial displacement or radial swing, the elongation or shortening of the first spring and the second spring can compensate the displacement and swing of the kiln body, guarantee that the compression force of the sealing sheet on the kiln body is not too large or too small, ensure that the sealing sheet can keep close contact with the kiln body during the operation of the kiln body, and guarantee the sealing effect. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0015] Fig. 1 It is the structure schematic view of the locking adjusting device for the rotary kiln sealing in the embodiments of the utility model.

[0016] Fig. 2 It is the local structure schematic view of the locking adjusting device for the rotary kiln sealing in the embodiments of the utility model.

[0017] Fig. 3 It is the connecting structure schematic view of the locking adjusting device for the rotary kiln sealing and the sealing device in the embodiments of the utility model.

[0018] In the figure: 1 - rope, 2 - rope clamp, 3 - first spring, 4 - first adjusting fork, 41 - first screw rod, 5 - adjusting screw pipe, 51 - adjusting pipe, 52 - first nut, 53 - second nut, 6 - second adjusting fork, 61 - second screw rod, 7 - second spring, 10 - sealing device, 101 - connecting sleeve, 102 - sealing sheet. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] The utility model discloses a locking adjusting device for rotary kiln seal to solve the prior art problems, and the locking adjusting device is convenient to adjust, can adapt to different sealing requirements and guarantees sealing effect.

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.

[0022] As Figs. 1-3 The utility model discloses a locking adjusting device for rotary kiln seal, which comprises a rope 1 and sequentially connected rope clamp 2, first spring 3, first adjusting fork 4, adjusting screw pipe 5, second adjusting fork 6 and second spring 7, the first adjusting fork 4 is threadedly connected between the adjusting screw pipe 5, the second adjusting fork 6 is threadedly connected between the adjusting screw pipe 5, one end of the rope 1 is connected on the rope clamp 2, and the other end is connected with the end of the second spring 7 away from the second adjusting fork 6.

[0023] In the embodiment, the adjusting screw pipe 5 comprises adjusting pipe 51 and first nut 52 and second nut 53 fixed on both ends of the adjusting pipe 51 respectively. The first adjusting fork 4 has a first screw rod 41 at one end, and the first screw rod 41 is threadedly connected in the first nut 52. The second adjusting fork 6 has a second screw rod 61 at one end, and the second screw rod 61 is threadedly connected in the second nut 53. The first nut 52 and the second nut 53 are welded and fixedly connected with the adjusting pipe 51. The rope 1 is a steel wire rope.

[0024] In use, the rope 1 is wound around the sealing device 10 outside one end of the rotary kiln cylinder, the sealing device 10 is provided with a plurality of connecting sleeves 101 spaced apart in the circumferential direction, the connecting sleeves 101 are fixed on the sealing pieces 102 of the sealing device 10, and the rope 1 is sequentially threaded through the connecting sleeves 101 so as to apply a pressing force to the sealing pieces 102. By adjusting the connection lengths between the first adjusting fork 4 and the adjusting screw pipe 5 and between the second adjusting fork 6 and the adjusting screw pipe 5, the tension degrees of the first spring 3 and the second spring 7 can be adjusted respectively, so as to adjust the pressing force of the rope 1 on the sealing pieces 102, tightly press the sealing pieces 102 on the kiln body, form an effective seal, adapt to different sealing requirements, and have the advantages of simple structure and convenient adjustment. During the operation of the rotary kiln, when the kiln body produces axial displacement or radial swing, the displacement and swing of the kiln body can be compensated by the elongation or shortening of the first spring 3 and the second spring 7, so that the pressing force of the sealing pieces 102 on the kiln body is not too large or too small, and the sealing pieces 102 can always be in close contact with the kiln body during the operation of the kiln body, so that the sealing effect is ensured.

[0025] The locking adjusting device can realize accurate sealing of the gap between the rotary kiln cylinder and the kiln head cover or the kiln tail cover, improve the sealing effect, and effectively prevent the leakage of gas and heat in the kiln. The gap between the sealing piece and the rotary kiln cylinder can be adjusted according to different working condition requirements, so that the device can adapt to different temperature, pressure and speed conditions, and has strong adaptability. The locking adjusting device has the advantages of simple structure, easy installation and disassembly, and convenient maintenance and replacement.

[0026] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A locking adjustment device for a rotary kiln seal, characterized by: The rope and the rope clamp, the first spring, the first adjusting fork, the adjusting screw pipe, the second adjusting fork and the second spring are connected in sequence, the first adjusting fork is threadedly connected with the adjusting screw pipe, the second adjusting fork is threadedly connected with the adjusting screw pipe, one end of the rope is connected on the rope clamp, and the other end is connected with the second spring away from one end of the second adjusting fork.

2. The locking adjustment device for a rotary kiln seal of claim 1, wherein: The adjusting screw pipe comprises an adjusting pipe and first and second nuts fixed at two ends of the adjusting pipe respectively.

3. The locking adjustment device for a rotary kiln seal of claim 2, wherein: One end of the first adjusting fork is provided with a first screw rod which is threadedly connected in the first nut.

4. The locking adjustment device for a rotary kiln seal of claim 2, wherein: One end of the second adjusting fork is provided with a second screw rod which is threadedly connected in the second nut.

5. The locking adjustment device for a rotary kiln seal of claim 2, wherein: The first and second nuts are fixedly connected with the adjusting pipe by welding.

6. The locking adjustment device for a rotary kiln seal of claim 1, wherein: The rope is a steel wire rope.

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