Kiln head sealing structure of rotary cement kiln

Abstract

The utility model relates to the field of rotary kilns, and discloses a rotary cement kiln head sealing structure which comprises a fixing flange, a plurality of sets of sealing pieces are arranged on the outer wall of the fixing flange, hooks are arranged on the upper surfaces of the sealing pieces, steel wires are in contact with the inner walls of the right ends of the hooks, and adjusting mechanisms are arranged on the outer walls of the bottom ends of the steel wires. And a weighting mechanism is arranged on the outer wall of the adjusting mechanism and comprises a placing shell, a clamping block is fixedly connected to the front surface of the placing shell, a protection plate is slidably connected to the upper surface of the placing shell, and a lock catch is arranged on the right surface of the protection plate. According to the device, the balancing weight can be placed on the inner wall of the placing shell, then the placing shell is sealed through the arranged protective plate, the balancing weight is prevented from being damaged, in addition, through the arranged blocking assembly, limiting of the two ends of the steel wire can be conveniently removed at the same time, the balancing weight can be disassembled at the same time, separate disassembly is not needed, and efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rotary kiln, especially relates to a cement rotary kiln head sealing structure. BACKGROUND

[0002] The rotary kiln is widely used in the metallurgy, refractory material, cement and other industries as a thermal equipment for heating and treating bulk materials or slurry materials to obtain clinker, which is composed of a kiln head, a kiln body and a kiln head, the kiln body is usually in the form of a long cylindrical structure and is rotationally connected between the kiln head and the kiln head, however, there is inevitably a gap between the kiln head and the kiln body of the rotary kiln, when the materials are transported from the kiln body to the kiln head, the dust formed in the rotary kiln can be sprayed out of the kiln body through the annular gap, thereby causing environmental pollution and safety hazards to the workers, therefore, the rotary kiln head is provided with a sealing structure to ensure its sealing performance.

[0003] The sealing structure provided on the kiln head of some cement rotary kiln is sealed by using a fish scale sealing structure, the fish scale sealing structure is generally wrapped around the rotary kiln head by a plurality of sealing pieces, the sealing pieces are closely attached to each other to ensure the sealing effect, and the fish scale sealing effect is generally fixed by cooperation of a steel wire and a counterweight, the steel wire is wound on the outer side of the plurality of fish scale sealing pieces, and the two ends of the steel wire are hung with the counterweight.

[0004] In the prior art, some counterweights are simply hung on the steel wire, the counterweight can be corroded by external substances for a long time, the weight of the counterweight installed at the two ends of the steel wire changes, the center of gravity of the steel wire deviates, the fixing effect of the steel wire on the fish scale sealing plate is reduced, and the sealing effect of the fish scale sealing plate is also reduced, therefore, the cement rotary kiln head sealing structure is proposed to solve the above problems. TECHNICAL PROBLEM

[0005] In order to make up for the above shortcomings, the utility model provides a cement rotary kiln head sealing structure, which aims at improving the problem that the counterweight used in the sealing structure of the kiln head of some cement rotary kiln is exposed to the outside for a long time and can be damaged to reduce the sealing effect of the sealing piece.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: a cement rotary kiln kiln head sealing structure, including fixed flange, the fixed flange outer wall is provided with sealing sheet and has multiple groups, the upper surface of sealing sheet is provided with the hook, the inner wall of the right -hand end of hook contacts the steel wire, the outer wall of steel wire bottom is provided with the adjusting mechanism, the outer wall of adjusting mechanism is provided with the heavy mechanism, the heavy mechanism includes the shell of placing, the fixed connection of the card block of shell front surface, the upper surface sliding of shell is connected with the protection board, the right surface of protection board is provided with the lock catch, the left surface of lock catch bottom is provided on the right surface of the top of shell, the right surface of shell is provided with the blocking component.

[0007] As further description of the above technical scheme:

[0008] The adjusting mechanism includes a threaded sleeve, the threaded sleeve is fixedly connected to the outer wall of the bottom end of the steel wire, the threaded sleeve is in contact with the inner wall of the card block, and the outer wall of the threaded sleeve is threadedly connected with a nut, and the lower surface of the card block is in contact with the upper surface of the nut.

[0009] As further description of the above technical scheme:

[0010] The blocking component includes a rectangular shell, the rectangular shell is fixedly connected to the right surface of the shell of placing, the inner wall of the rectangular shell is elastically connected with an L-shaped sliding plate through a spring, the outer wall of the right end of the L-shaped sliding plate is slidingly connected to the inner wall of the rectangular shell, one end of the spring is fixedly connected to the inner wall of the rectangular shell, and the other end of the spring is fixedly connected to the rear surface of the right end of the L-shaped sliding plate.

[0011] As further description of the above technical scheme:

[0012] The right surface of the rectangular shell is provided with a through groove, the inner wall of the through groove is slidingly connected with a push handle, and the left surface of the push handle is fixedly connected to the rear end of the right surface of the L-shaped sliding plate.

[0013] As further description of the above technical scheme:

[0014] The blocking component further includes a blocking plate, the blocking plate is slidingly connected to the left end of the front surface of the card block, and the front surface of the blocking plate is fixedly connected to the rear surface of the left end of the L-shaped sliding plate.

[0015] As further description of the above technical scheme:

[0016] The inner wall of the shell of placing is fixedly connected with a plurality of partitions, the plurality of partitions are uniformly arranged on the inner wall of the shell of placing.

[0017] As further description of the above technical scheme:

[0018] The front surface of the shell of placing is fixedly connected with a level bar on the upper side of the rectangular shell.

[0019] As a further description of the above technical solutions:

[0020] The push handle, spring, L-shaped sliding plate and blocking plate are provided in multiple groups and are symmetrically arranged with the center line of the rectangular shell as the symmetric axis.

[0021] The utility model has the advantages of the following:

[0022] 1. In the utility model, the counterweight block can be placed in the inner wall of the placing shell, and the placing shell is sealed by the protective plate, so that the counterweight block is prevented from being damaged. In addition, the blocking assembly is arranged to simultaneously release the limiting of the two ends of the steel wire and simultaneously disassemble the counterweight block, so that the counterweight block does not need to be disassembled separately, and the efficiency is improved.

[0023] 2. In the utility model, the level bar is arranged to observe whether the stress points of the two ends of the steel wire are inclined, so that the uniformity of the stress of the two ends of the steel wire is ensured, and loosening is avoided. The screw barrel and the nut are arranged in cooperation to adjust the stress points of the two ends of the steel wire, so that the stability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic view of the overall device in the utility model;

[0025] Figure 2 It is a split cross-sectional schematic view of the placing shell and the protective plate in the utility model;

[0026] Figure 3 It is an enlarged schematic view of the A area of the utility model. Figure 1

[0027] LEGEND:

[0028] 1. Fixed flange; 2. Sealing piece; 3. Hook; 4. Steel wire; 51. Threaded sleeve; 52. Nut; 61. Placing shell; 62. Clamping block; 63. Blocking assembly; 631. Rectangular shell; 632. Push handle; 633. Spring; 634. L-shaped sliding plate; 635. Blocking plate; 636. Through groove; 64. Level bar; 65. Protective plate; 66. Lock catch; 67. Partition. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.​

[0030] Referring to Figure 1 - Figure 3 The utility model provides an embodiment: a cement rotary kiln head sealing structure, including fixed flange 1, fixed flange 1 is prior art, and in the technical personnel of the field can realize, because it is prior art, so in the case of the present application, do not make too much description, fixed flange 1 outer wall is provided with sealing sheet 2 and has multiple groups, multiple groups of sealing sheet 2 are installed on fixed flange 1 and are sealed to it, the upper surface of sealing sheet 2 is provided with the hook 3 of avoiding steel wire 4 to drop, the inner wall of hook 3 right end is contacted with the steel wire 4 of reinforcing multiple groups of sealing sheet 2, the outer wall of steel wire 4 bottom end is provided with adjusting mechanism, the outer wall of adjusting mechanism is provided with weighting mechanism, and the weighting mechanism includes placing shell 61, and the front surface of placing shell 61 is fixedly connected with clamping block 62, and the front surface and rear surface of placing shell 61 are fixed with a group of clamping block 62, can be with the threaded sleeve 51 of the outer wall fixed connection of steel wire 4 both ends put into it, the both ends of steel wire 4 are positioned simultaneously, the upper surface of placing shell 61 is slidably connected with the protection plate 65 of sealing placing shell 61, the right surface of protection plate 65 is provided with lock catch 66, and lock catch 66 is prior art, and the stability when placing shell 61 is closed can be ensured through it, and the left surface of lock catch 66 bottom end is arranged on the right surface of the top end of placing shell 61, and the right surface of placing shell 61 is provided with blocking assembly 63.

[0031] Referring to Figure 1 - Figure 2 The adjusting mechanism includes threaded sleeve 51, the outer wall of threaded sleeve 51 is provided with the thread that is adapted with nut 52, guarantees when rotating nut 52, it can stably move upwards or downwards, threaded sleeve 51 is fixedly connected on the outer wall of steel wire 4 bottom end, threaded sleeve 51 is contacted in the inner wall of clamping block 62, and the outer wall of threaded sleeve 51 is screw connected with nut 52, and rotating nut 52 can adjust the height of clamping block 62, and it is convenient to carry out leveling operation to placing shell 61, and the lower surface of clamping block 62 is contacted on the upper surface of nut 52.

[0032] Referring to Figure 2 - Figure 3The blocking assembly 63 comprises a rectangular shell 631 for ensuring stable forward and backward sliding of the L-shaped sliding plate 634, the rectangular shell 631 is fixedly connected to the right surface of the placing shell 61, the inner wall of the rectangular shell 631 is elastically connected with the L-shaped sliding plate 634 through the spring 633, the spring 633 always pulls the L-shaped sliding plate 634 to move backward through the elasticity of the spring 633, so as to ensure the stability of the blocking plate 635 limiting the threaded sleeve 51, the outer wall of the right end of the L-shaped sliding plate 634 is slidably connected to the inner wall of the rectangular shell 631, one end of the spring 633 is fixedly connected to the inner wall of the rectangular shell 631, the other end of the spring 633 is fixedly connected to the rear surface of the right end of the L-shaped sliding plate 634, the right surface of the rectangular shell 631 is provided with a through groove 636 for ensuring stable forward and backward movement of the push handle 632, the push handle 632 is slidably connected to the inner wall of the through groove 636, the push handle 632 can smoothly drive the L-shaped sliding plate 634 to move smoothly, and a plurality of push handles 632 are arranged close to each other, which is convenient for operation, and the left surface of the push handle 632 is fixedly connected to the rear end of the right surface of the L-shaped sliding plate 634.

[0033] Referring to Figure 2 Figure 3 The blocking assembly 63 further comprises a blocking plate 635 for blocking and limiting the threaded sleeve 51, the blocking plate 635 is slidably connected to the left end of the front surface of the clamping block 62, the front surface of the blocking plate 635 is fixedly connected to the rear surface of the left end of the L-shaped sliding plate 634, the inner wall of the placing shell 61 is fixedly connected with a partition plate 67 for separating the counterweight plates, the partition plate 67 is provided with a plurality of groups, and the plurality of groups of partition plates 67 are uniformly arranged on the inner wall of the placing shell 61, the plurality of groups of partition plates 67 can be additionally provided with counterweight plates, and the user can additionally provide different numbers of counterweight plates according to the needs, the upper side of the rectangular shell 631 near the front surface of the placing shell 61 is fixedly connected with a level 64, and the push handle 632, the spring 633, the L-shaped sliding plate 634 and the blocking plate 635 are provided with a plurality of groups, and the plurality of groups of push handles 632, springs 633, L-shaped sliding plates 634 and blocking plates 635 are symmetrically arranged with the center line of the rectangular shell 631 as the axis of symmetry, and the plurality of groups of push handles 632, springs 633, L-shaped sliding plates 634 and blocking plates 635 can simultaneously limit the two ends of the steel wire 4.

[0034] Working principle: A plurality of sealing pieces 2 are installed on the fixed flange 1 to seal it, the hook 3 is arranged on the sealing piece 2, the steel wire 4 is wound on the outer wall of the plurality of sealing pieces 2, and simultaneously contacts the inner wall of the right end of the hook 3 to reinforce the plurality of sealing pieces 2.

[0035] ​When installing the counterweight plate, the threaded sleeve 51 at the bottom end of the steel wire 4 can be put into the inner wall of the clamping block 62, and the lower surface of the clamping block 62 contacts the upper surface of the nut 52, and the height of the clamping block 62 can be adjusted by rotating the nut 52 to level the placing shell 61, then the limiting of the protective plate 65 by the lock buckle 66 can be released, and then the protective plate 65 is pushed to open it, so that the counterweight plate can be installed between the multiple groups of partition plates 67 arranged inside.

[0036] When the threaded sleeve 51 is put into the inner wall of the clamping block 62, the push handle 632 can be pushed, and the L-shaped sliding plate 634 and the blocking plate 635 are moved at the same time, the L-shaped sliding plate 634 is stretched, and the blocking plate 635 exposes the opening at the rear end of the clamping block 62 completely, then the threaded sleeve 51 can be smoothly put into the inner wall of the clamping block 62, and the push handle 632 is loosened after the placing is completed, the spring 633 resets the L-shaped sliding plate 634 by the elasticity of itself, and the blocking plate 635 blocks the threaded sleeve 51, and when the threaded sleeve 51 needs to be disassembled later, the operation is the same as above.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A cement rotary kiln head sealing structure, comprising a fixed flange (1), characterized in that: The outer wall of the fixed flange (1) is provided with sealing sheets (2) in a plurality of groups, the upper surface of the sealing sheet (2) is provided with a hook (3), the inner wall of the right end of the hook (3) contacts the steel wire (4), the outer wall of the bottom end of the steel wire (4) is provided with an adjustment mechanism, the outer wall of the adjustment mechanism is provided with a weighting mechanism, the weighting mechanism includes a placement shell (61), the front surface of the placement shell (61) is fixedly connected with a block (62), the upper surface of the placement shell (61) is slidably connected with a protective plate (65), the right surface of the protective plate (65) is provided with a lock buckle (66), the left surface of the bottom end of the lock buckle (66) is provided on the right surface of the top end of the placement shell (61), and the right surface of the placement shell (61) is provided with a blocking component (63).

2. The cement rotary kiln head sealing structure according to claim 1, characterized in that: The adjusting mechanism comprises a threaded sleeve (51), the threaded sleeve (51) being fixedly connected to the outer wall of the bottom end of the steel wire (4), the threaded sleeve (51) being in contact with the inner wall of the clamping block (62), the outer wall of the threaded sleeve (51) being threadedly connected to a nut (52), and the lower surface of the clamping block (62) being in contact with the upper surface of the nut (52).

3. The cement rotary kiln head sealing structure according to claim 1, characterized in that: The blocking assembly (63) comprises a rectangular shell (631), the rectangular shell (631) being fixedly connected to the right surface of the placement shell (61), the inner wall of the rectangular shell (631) being elastically connected to an L-shaped slide plate (634) via a spring (633), the outer wall of the right end of the L-shaped slide plate (634) being slidably connected to the inner wall of the rectangular shell (631), one end of the spring (633) being fixedly connected to the inner wall of the rectangular shell (631), and the other end of the spring (633) being fixedly connected to the rear surface of the right end of the L-shaped slide plate (634).

4. The cement rotary kiln head sealing structure according to claim 3, characterized in that: A through slot (636) is provided on the right surface of the rectangular shell (631), a push handle (632) is slidably connected to the inner wall of the through slot (636), and the left surface of the push handle (632) is fixedly connected to the rear end of the right surface of the L-shaped slide plate (634).

5. The cement rotary kiln head sealing structure according to claim 4, characterized in that: The blocking assembly (63) further comprises a blocking plate (635), wherein the blocking plate (635) is slidably connected to the left end of the front surface of the clamping block (62), and the front surface of the blocking plate (635) is fixedly connected to the rear surface of the left end of the L-shaped slide plate (634).

6. The cement rotary kiln head sealing structure according to claim 1, characterized in that: The inner wall of the placement shell (61) is fixedly connected with a partition (67), and the partition (67) is provided in multiple groups, and the multiple groups of partitions (67) are evenly arranged on the inner wall of the placement shell (61).

7. The cement rotary kiln head sealing structure according to claim 3, characterized in that: A level ruler (64) is fixedly connected to the upper side of the front surface of the placement shell (61) adjacent to the rectangular shell (631).

8. The cement rotary kiln head sealing structure according to claim 5, characterized in that: The push handle (632), spring (633), L-shaped slide plate (634), and blocking plate (635) are provided in multiple groups, and the multiple groups of push handles (632), spring (633), L-shaped slide plate (634), and blocking plate (635) are symmetrically arranged with the center line of the rectangular shell (631) as the symmetry axis.

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