Coke oven dust hood convenient to disassemble

Abstract

The coke oven dust hood comprises a coke oven pipeline, a fixing ring and a fixing assembly, a groove, an annular groove and a round hole are formed in the coke oven pipeline, the annular groove is communicated with the round hole, a pull rod is arranged in the round hole, one end of the pull rod extends out of the coke oven pipeline, and a push plate is arranged at the position, close to the other end, of the pull rod. A first spring arranged on the outer side of the pull rod in a sleeving mode is arranged between the push plate and the hole wall of the round hole. The lower end of a fixing ring is placed in an annular groove, when a limiting ring makes contact with the end of a coke oven pipeline, the fixing ring is placed at the proper position, and the other end of a pull rod is clamped into a circular groove through loosening of the pull rod and resetting of a first spring, so that the fixing ring is fixed; according to the dust removal cover, compression and reset of a pull rod and a first spring are adopted, so that the fixing ring is convenient to mount and dismount, the dust removal cover is convenient to replace, the dust removal cover is more rapid to replace, and meanwhile, the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of coke ovens and relates to a coke oven dust removal cover which is easy to disassemble. Background Art

[0002] The coke oven continuous casting dust hood is a device used to purify the particulate matter and pollutants discharged from the coke oven continuous casting production process, and the dust hood is set to reduce the emission of solid particulate matter and harmful gases in the flue gas. The existing dust hoods are connected to the coke oven pipe by bolts. When replacing the new dust hood, all the threads need to be disassembled before it can be replaced, which causes inconvenience in replacement and affects work efficiency. Utility Model Content

[0003] The utility model aims to provide a coke oven dust removal cover which is easy to disassemble and can solve the problems raised in the background technology.

[0004] According to the technical solution provided by the utility model: a coke oven dust cover that is easy to disassemble, comprising a coke oven pipe, a fixing ring and a fixing assembly, the coke oven pipe is provided with a groove, an annular groove and a circular hole, the annular groove is communicated with the circular hole, a pull rod is provided inside the circular hole, one end of the pull rod extends out of the coke oven pipe and a push plate is provided near the other end, and a first spring is provided between the push plate and the hole wall of the circular hole and is sleeved on the outside of the pull rod;

[0005] The fixing ring is provided with a dust cover and a circular groove. When the fixing ring moves downward, it matches the circular groove, and the pull rod is clamped into the circular groove under the action of the first spring to fix the fixing ring.

[0006] Preferably, a second spring is provided at the bottom of the annular groove, a pressure plate is provided at the upper end of the second spring, and a baffle and a fixing rod are respectively provided on the pressure plate.

[0007] Preferably, the fixing rod is in an L-shaped structure, one end of the fixing rod away from the pressure plate extends out of the coke oven pipe, and the outer wall is provided with threads; the other end of the fixing rod is in contact with the baffle.

[0008] Preferably, a limiting ring is provided on the outer ring surface of the fixing ring, and a pipe is provided at the upper end of the fixing ring.

[0009] Preferably, a magnet is embedded in the lower end of the limiting ring, and the magnet is an annular structure and forms magnetic attraction with the outer wall of the coke oven pipe.

[0010] Preferably, the fixing assembly comprises a first fixing ring and a second fixing ring, the diameter of the first fixing ring is larger than the diameter of the second fixing ring, the first fixing ring is screwed to the outer wall of the fixing rod, and the second fixing ring is screwed to the outer wall of the coke oven pipe.

[0011] The positive effects of this application are:

[0012] The utility model provides a coke oven dust hood that is easy to disassemble, which has the following advantages:

[0013] 1. By placing the lower end of the fixing ring into the ring groove, when the limit ring contacts the end of the coke oven pipe, the fixing ring is placed in a suitable position, and then the pull rod is loosened and the first spring is reset, and the other end of the pull rod is stuck in the circular groove to fix the fixing ring; the pulling rod and the compression and reset of the first spring are used to facilitate the installation and disassembly of the fixing ring, and then to facilitate the replacement of the dust hood, making the replacement of the dust hood faster and improving the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a stereoscopic diagram of a coke oven pipeline of the utility model.

[0015] Figure 2 It is a stereogram of the fixing ring of the utility model.

[0016] Figure 3 It is a three-dimensional diagram of the fixing assembly of the utility model.

[0017] Figure 4 It is a cross-sectional view of a coke oven pipeline of the utility model.

[0018] In the figure: coke oven pipe 1; groove 11; annular groove 12; circular hole 13; fixing assembly 2; first fixing ring 21; second fixing ring 22; fixing ring 3; limiting ring 31; circular groove 32; magnet 33; dust cover 34; pipe 35; pull rod 4; first spring 41; push plate 42; pressure plate 5; second spring 51; baffle 52; fixing rod 53. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0021] like Figure 1-4 As shown, the utility model is a coke oven dust cover that is easy to disassemble, comprising a coke oven pipe 1, a fixing ring 3 and a fixing assembly 2, wherein a groove 11, an annular groove 12 and a circular hole 13 are provided on the coke oven pipe 1, wherein the annular groove 12 is communicated with the circular hole 13, wherein a pull rod 4 is provided inside the circular hole 13, wherein one end of the pull rod 4 extends out of the coke oven pipe 1 and a push plate 42 is provided near the other end, wherein a first spring 41 is provided between the push plate 42 and the hole wall of the circular hole 13 and is sleeved on the outside of the pull rod 4;

[0022] The fixing ring 3 is provided with a dust cover 34 and a circular groove 32. When the fixing ring 3 moves downward, it matches the circular groove 12, and the pull rod 4 is clamped into the circular groove 32 under the action of the first spring 41, so as to fix the fixing ring 3.

[0023] By placing the lower end of the fixing ring 3 into the annular groove 12, when the limit ring 31 contacts the end of the coke oven pipe 1, the fixing ring 3 is placed in a suitable position, and then by loosening the pull rod 4 and resetting the first spring 41, the other end of the pull rod 4 is inserted into the circular groove 32 to fix the fixing ring 3; the compression and resetting of the pull rod 4 and the first spring 41 are adopted to facilitate the installation and disassembly of the fixing ring, and then facilitate the replacement of the dust hood, making the replacement of the dust hood faster and improving the work efficiency.

[0024] Preferably, a second spring 51 is provided at the bottom of the annular groove 12, and a pressure plate 5 is provided at the upper end of the second spring 51, and a baffle 52 and a fixing rod 53 are respectively provided on the pressure plate 5; when the fixing ring 3 is placed in the annular groove 12, the fixing ring 3 presses the pressure plate 5 to move downward, and when the pressure plate 5 moves downward, the compressed second spring 51 and the baffle 52 are pulled downward, and when the pressure plate 5 moves downward, the fixing rod 51 connected thereto also moves downward, and when the lower end of the fixing ring 3 reaches a suitable position, the first fixing ring 21 is rotated at this time, so that the first fixing ring 21 threadably moves upward, and the second fixing ring is threadably connected to the fixing rod 51 to fix the fixing rod 51; by the same token, the pull rod 4 is pulled so that the other end of the pull rod 4 is separated from the circular groove 32, and then the first fixing ring 21 is rotated so that the second fixing ring 22 is threadably separated from the fixing rod 51, and at this time the second spring 51 is reset, and the fixing ring 3 is pushed upward, and the fixing ring 3 can be removed.

[0025] The fixing rod 53 is in an L-shaped structure. One end of the fixing rod 53 away from the pressing plate 5 extends out of the coke oven pipe 1 and has a thread on its outer wall. The other end of the fixing rod 53 contacts the baffle 52 .

[0026] A limiting ring 31 is provided on the outer ring surface of the fixing ring 3 , and a pipe 35 is provided at the upper end of the fixing ring 3 . The limiting ring 31 is used to limit the position of the fixing ring 3 .

[0027] Preferably, a magnet 33 is embedded in the lower end of the limiting ring 31 . The magnet 33 is an annular structure and forms magnetic attraction with the outer wall of the coke oven pipe 1 .

[0028] Preferably, the fixing assembly 2 includes a first fixing ring 21 and a second fixing ring 22, the diameter of the first fixing ring 21 is larger than the diameter of the second fixing ring 22, the first fixing ring 21 is screwed to the outer wall of the fixing rod 53, and the second fixing ring 22 is screwed to the outer wall of the coke oven pipe 1.

[0029] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A coke oven dust hood that is easy to disassemble, characterized in that: It comprises a coke oven pipe (1), a fixing ring (3) and a fixing assembly (2), wherein the coke oven pipe (1) is provided with a groove (11), an annular groove (12) and a circular hole (13), wherein the annular groove (12) is communicated with the circular hole (13), wherein a pull rod (4) is provided inside the circular hole (13), wherein one end of the pull rod (4) extends out of the coke oven pipe (1) and a push plate (42) is provided near the other end, and a first spring (41) which is sleeved on the outside of the pull rod (4) is provided between the push plate (42) and the hole wall of the circular hole (13); The fixing ring (3) is provided with a dust cover (34) and a circular groove (32). When the fixing ring (3) moves downward, it matches the circular groove (12), and the pull rod (4) is clamped into the circular groove (32) under the action of the first spring (41), thereby fixing the fixing ring (3).

2. The easily disassembled coke oven dust cover according to claim 1, characterized in that: A second spring (51) is provided at the bottom of the annular groove (12), a pressure plate (5) is provided at the upper end of the second spring (51), and a baffle (52) and a fixing rod (53) are respectively provided on the pressure plate (5).

3. The easily disassembled coke oven dust cover according to claim 2, characterized in that: The fixing rod (53) is in an L-shaped structure. One end of the fixing rod (53) away from the pressure plate (5) extends out of the coke oven pipe (1), and the outer wall is provided with threads. The other end of the fixing rod (53) is in contact with the baffle (52).

4. The easily disassembled coke oven dust hood according to claim 1, characterized in that: A limiting ring (31) is provided on the outer ring surface of the fixing ring (3), and a pipe (35) is provided at the upper end of the fixing ring (3).

5. The easily disassembled coke oven dust cover according to claim 4, characterized in that: A magnet (33) is embedded in the lower end of the limiting ring (31); the magnet (33) is an annular structure and forms magnetic attraction with the outer wall of the coke oven pipe (1).

6. The easily disassembled coke oven dust hood according to claim 1, characterized in that: The fixing assembly (2) comprises a first fixing ring (21) and a second fixing ring (22); the diameter of the first fixing ring (21) is larger than the diameter of the second fixing ring (22); the first fixing ring (21) is screwed to the outer wall of the fixing rod (53); and the second fixing ring (22) is screwed to the outer wall of the coke oven pipe (1).

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