CN219606334U - Pipeline connection structure and soaking slag treatment device - Google Patents

Abstract

The utility model provides a pipeline connection structure and a soaking slag treatment device, which relate to the technical field of pipeline connection, wherein the pipeline connection structure comprises: the turnover cavity structure is used for being connected with the turnover smoke pipe, one end of the fixed cavity structure is used for being connected with the fixed smoke pipe, the movable flange is sleeved on the other end of the fixed cavity structure, the movable flange is connected with the turnover cavity structure, and the turnover cavity structure is used for realizing butt joint with the fixed cavity structure through the movable flange and can rotate relative to the fixed cavity structure. Compared with the prior art, the pipeline connecting structure effectively avoids the problem of smoke leakage caused by the breakage of the metal hose, and reduces the smoking resistance caused by the bending of the metal hose.

Description

Pipeline connection structure and soaking slag treatment device

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a pipeline connection structure and a soaking slag treatment device.

Background

With the improvement of environmental protection requirements, metallurgical slag (desulfurization slag) treatment of steel plants is gradually eliminated from a hot splashing slag treatment mode, and the soaking slag treatment process technology is gradually popularized and used. The smoke dust generated by the high-temperature slag in the treatment process of the soaking slag treatment device is sucked into the dust removal system pipeline from the smoke suction port of the turnover cover, the turnover cover is connected with the dust removal system pipeline through the metal hose, the metal hose connected during turnover of the turnover cover is deformed and stretched along with the turnover cover, the metal hose is frequently bent and stretched to be easy to fatigue and damage, the smoking capability is insufficient, the smoke gas leaks outside in the slag treatment process, the bending of the metal hose increases the smoking resistance, and the energy consumption is increased.

Disclosure of Invention

The utility model aims to solve the problems that: how to avoid the leakage of the flue gas in the slag treatment process.

The utility model provides a pipeline connection structure, which is applied to a soaking slag treatment device, and comprises the following components: the turnover cavity structure is used for being connected with the turnover smoke pipe, one end of the fixed cavity structure is used for being connected with the fixed smoke pipe, the movable flange is sleeved on the other end of the fixed cavity structure, the movable flange is connected with the turnover cavity structure, and the turnover cavity structure is used for realizing butt joint with the fixed cavity structure through the movable flange and can rotate relative to the fixed cavity structure.

Compared with the prior art, the pipeline connecting structure provided by the utility model has the following beneficial effects:

the pipeline connecting structure provides a new connecting mode for the fixed smoke pipe and the turnover cover of the soaking slag processing device, and replaces a metal hose connecting scheme with inconvenient maintenance and low energy consumption by a pipeline connecting structure scheme with lower faults. Compared with the prior art, the pipeline connecting structure effectively avoids the problem of smoke leakage caused by the breakage of the metal hose, and reduces the smoking resistance caused by the bending of the metal hose.

Optionally, the end portion of the fixed cavity structure, which is used for being in butt joint with the overturning cavity structure, is provided with a limiting check ring, and the diameter of the limiting check ring is larger than that of the fixed cavity structure.

Optionally, an oil-immersed asbestos packing is installed at the butt joint position of the fixed cavity structure and the overturning cavity structure.

Optionally, a sealing pad is installed at the butt joint position of the fixed cavity structure and the overturning cavity structure.

Optionally, this pipeline connection structure still includes first fastener, fixed cavity structure keeps away from the tip of upset cavity structure is provided with first flange, fixed tobacco pipe is close to fixed cavity structure's tip is provided with be used for with the second flange of first flange cooperation connection, first flange with the second flange is used for through first fastener connection.

Optionally, a metal winding gasket is installed between the first flange and the second flange.

Optionally, the pipeline connection structure further comprises a second fastener, a boss structure is arranged at the end part of the overturning cavity structure, a third flange used for being connected with the boss structure in a matched mode is arranged at the end part, close to the overturning cavity structure, of the overturning smoke pipe, and the third flange is connected with the boss structure through the second fastener.

Optionally, the fixed cavity structure is a cylindrical barrel structure.

Optionally, the overturning cavity structure is a right angle pipe joint structure.

In addition, the utility model also provides a soaking slag treatment device which comprises the pipeline connecting structure.

Since the technical improvements and the technical effects obtained by the soaking slag treating device are the same as those of the pipeline connecting structure, detailed description of the technical effects of the soaking slag treating device is not provided.

Drawings

FIG. 1 is a schematic view of a pipeline connection structure according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a fixed cavity structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a fixed cavity structure; 11. a limit retainer ring; 2. a turnover cavity structure; 3. a movable flange; 4. a first flange; 5. a second flange; 6. a third flange; 100. fixing the smoke tube; 200. and (5) turning the smoke tube.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "top", "bottom", "front", "rear", "inner", and "outer", etc. are used based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present disclosure, and are not intended to indicate or imply that the apparatus referred to must have a specific orientation, be configured and manipulated in a specific orientation, and therefore should not be construed as limiting the scope of protection of the present disclosure.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

As shown in fig. 1, the pipeline connection structure of the embodiment of the utility model is applied to a soaking slag treatment device, and the pipeline connection structure comprises: the turnover smoke tube structure comprises a fixed cavity structure 1, a turnover cavity structure 2 and a movable flange 3, wherein the turnover cavity structure 2 is used for being connected with the turnover smoke tube 200, one end of the fixed cavity structure 1 is used for being connected with the fixed smoke tube 100, the movable flange 3 is sleeved on the other end of the fixed cavity structure 1, the movable flange 3 is connected with the turnover cavity structure 2, and the turnover cavity structure 2 is used for realizing butt joint with the fixed cavity structure through the movable flange 3 and can rotate relative to the fixed cavity structure 1.

In this embodiment, as shown in fig. 1, a new connection mode is provided between the fixed smoke tube 100 and the turnover cover of the soaking slag treatment device, and a metal hose connection scheme with inconvenient maintenance and low energy consumption is replaced by a pipe connection scheme with lower failure. Compared with the prior art, the pipeline connecting structure effectively avoids the problem of smoke leakage caused by the breakage of the metal hose, and reduces the smoking resistance caused by the bending of the metal hose.

Optionally, a limiting retainer ring 11 is disposed at an end portion of the fixed cavity structure 1 for abutting against the overturning cavity structure 2, and a diameter of the limiting retainer ring 11 is larger than a diameter of the fixed cavity structure 1.

In this embodiment, as shown in fig. 2, the end portion of the fixed cavity structure 1, which is used for being abutted with the overturning cavity structure 2, is provided with a limiting retainer ring 11, and the diameter of the limiting retainer ring 11 is larger than that of the fixed cavity structure 1, and the limiting retainer ring 11 is used for limiting the movable flange 3 from falling off from the fixed cavity structure 1.

Optionally, an oil-immersed asbestos packing is installed at the butt joint position of the fixed cavity structure 1 and the overturning cavity structure 2.

In this embodiment, the butt joint position of the fixed cavity structure 1 and the turnover cavity structure 2 is provided with an oil-immersed asbestos packing for preventing smoke dust from leaking between the fixed cavity structure and the turnover cavity structure, and the oil-immersed asbestos packing is a filler for sealing, and is generally made of a material which is soft and does not have gaps after being filled and pressed. Such as aramid, tetrafluoro, graphite, carbon fiber, and asbestos.

Optionally, a sealing gasket is installed at the abutting position of the fixed cavity structure 1 and the overturning cavity structure 2.

In this embodiment, a sealing gasket is installed at the butt joint position of the fixed cavity structure 1 and the turnover cavity structure 2, and is used for sealing connection of the fixed cavity structure 1 and the turnover cavity structure 2.

Optionally, the pipeline connection structure further comprises a first fastener, a first flange 4 is arranged at the end part of the fixed cavity structure 1, which is far away from the overturning cavity structure 2, a second flange 5 used for being connected with the first flange 4 in a matched manner is arranged at the end part of the fixed smoke pipe 100, which is close to the fixed cavity structure 1, and the first flange 4 and the second flange 5 are used for being connected through the first fastener.

In this embodiment, as shown in fig. 1, a first flange 4 is welded to the end portion of the fixed cavity structure 1 for abutting against the fixed smoke tube 100, a second flange 5 is welded to the end portion of the fixed smoke tube 100 for abutting against the fixed cavity structure 1, and the first flange 4 and the second flange 5 may be integrally connected by a first fastener to connect the fixed cavity structure 1 with the fixed smoke tube 100, where the first fastener may be a threaded fastener (for example, a bolt).

Optionally, a metal winding gasket is installed between the first flange 4 and the second flange 5.

In this embodiment, a metal winding gasket is installed at the abutting position of the first flange 4 and the second flange 5, so as to prevent smoke dust from leaking between the fixed cavity structure 1 and the fixed smoke pipe 100. The metal winding gasket is a sealing gasket with wide application, is a gasket with optimal rebound resilience in a semi-metal sealing gasket, and is formed by mutually and alternately overlapping and spirally winding high-quality SUS304, SUS 316V-shaped or W-shaped metal strips and other alloy materials such as residual graphite, asbestos, polytetrafluoroethylene, asbestos-free soft materials and the like.

Optionally, the pipeline connection structure further comprises a second fastener, a boss structure is arranged at the end part of the turnover cavity structure 2, a third flange 6 used for being connected with the boss structure in a matched mode is arranged at the end part, close to the turnover cavity structure 2, of the turnover smoke pipe 200, and the third flange 6 is connected with the boss structure through the second fastener.

In this embodiment, as shown in fig. 1, the end portion of the turnover smoke tube 200, which is used for being in butt joint with the turnover cavity structure 2, is welded with a third flange 6, the end portion of the turnover cavity structure 2, which is used for being in butt joint with the turnover smoke tube 200, is provided with a boss structure, on which a through hole or a threaded hole can be formed, and the third flange 6 and the boss structure can be connected into a whole through a second fastening piece, so as to connect the turnover cavity structure 2 with the turnover smoke tube 200, wherein the second fastening piece can be a threaded fastening piece (for example, a bolt).

Optionally, the fixing cavity structure 1 is a cylindrical barrel structure.

In this embodiment, referring to fig. 1, the fixing cavity structure 1 is a cylindrical barrel structure, and may be a steel pipe (304 stainless steel).

Optionally, the overturning cavity structure 2 is a right-angle pipe joint structure.

In this embodiment, referring to fig. 1, the overturning cavity structure 2 is a right-angle pipe joint structure, that is, the direction of the smoke inlet and the direction of the smoke outlet of the overturning cavity structure 2 are perpendicular to each other, so as to facilitate the overturning operation of the overturning smoke pipe 200.

In addition, the utility model also provides a soaking slag treatment device which comprises the pipeline connecting structure.

Since the technical improvements and the technical effects obtained by the soaking slag treating device are the same as those of the pipeline connecting structure, detailed description of the technical effects of the soaking slag treating device is not provided.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a pipeline connection structure, is applied to soak sediment processing apparatus, its characterized in that, pipeline connection structure includes: fixed cavity structure (1), upset cavity structure (2) and flange (3), upset cavity structure (2) are used for being connected with upset tobacco pipe (200), the one end of fixed cavity structure (1) is used for being connected with fixed tobacco pipe (100), flange (3) cover is located the other end of fixed cavity structure (1), just flange (3) with upset cavity structure (2) are connected, upset cavity structure (2) are used for through flange (3) realize with fixed cavity structure butt joint and can for fixed cavity structure (1) rotate.

2. The pipeline connection structure according to claim 1, characterized in that the end of the fixed cavity structure (1) for abutting against the overturning cavity structure (2) is provided with a limiting retainer ring (11), and the diameter of the limiting retainer ring (11) is larger than that of the fixed cavity structure (1).

3. The pipeline connection structure according to claim 1, characterized in that an oil-immersed asbestos packing is installed at the butt joint position of the fixed cavity structure (1) and the overturning cavity structure (2).

4. The pipeline connecting structure according to claim 1, wherein a sealing gasket is arranged at the abutting position of the fixed cavity structure (1) and the overturning cavity structure (2).

5. The pipeline connecting structure according to claim 1, further comprising a first fastener, wherein a first flange (4) is arranged at the end part of the fixing cavity structure (1) far away from the overturning cavity structure (2), a second flange (5) for being connected with the first flange (4) in a matched mode is arranged at the end part of the fixing smoke pipe (100) close to the fixing cavity structure (1), and the first flange (4) and the second flange (5) are connected through the first fastener.

6. A pipe connection according to claim 5, characterized in that a metal winding gasket is mounted between the first flange (4) and the second flange (5).

7. The pipeline connecting structure according to claim 1, further comprising a second fastener, wherein a boss structure is arranged at the end of the turnover cavity structure (2), a third flange (6) for being connected with the boss structure in a matched manner is arranged at the end of the turnover smoke pipe (200) close to the turnover cavity structure (2), and the third flange (6) is connected with the boss structure through the second fastener.

8. The pipe connection according to claim 1, characterized in that the stationary chamber structure (1) is a cylindrical cylinder structure.

9. The pipeline connecting structure according to claim 1, wherein the overturning cavity structure (2) is a right angle pipe joint structure.

10. A soaking slag treatment apparatus, characterized by comprising the pipe connection structure according to any one of claims 1 to 9.