CN219453997U - Pulverized coal pipeline of boiler - Google Patents

Abstract

The utility model provides a pulverized coal pipeline of a boiler, which relates to a pulverized coal conveying pipeline and comprises a fixing structure and a pipeline body structure, wherein the fixing structure comprises a fixing pipe, fixing grooves and bolts, two ends of the fixing pipe are respectively provided with one fixing groove, one ends of a plurality of bolts penetrate through side edges of two ends of the fixing pipe in a threaded mode and extend into the fixing grooves to be arranged in the fixing grooves, the pipeline body structure comprises a connecting structure, a first pipeline and a second pipeline, the connecting structure comprises a fixing pad, a threaded pipe, a threaded shaft and a supporting plate, one end of the threaded pipe is fixedly connected with one side of the fixing pad, one end of the threaded shaft is screwed into one end of the threaded pipe in a threaded mode, one end of the threaded shaft is fixedly connected with one side of the supporting plate, the second pipeline is movably inserted into the first pipeline, the two ends of the fixing pipe are connected through a plurality of connecting structures, the fixing pads in the connecting structure are fixed on the inner sides of two ends of the first pipeline in equal distances, and the supporting plate is movably attached to the outer side of the second pipeline.

Description

Pulverized coal pipeline of boiler

Technical Field

The utility model relates to a pulverized coal conveying pipeline, in particular to a pulverized coal pipeline of a boiler.

Background

The coal powder industrial boiler is a novel coal-fired industrial boiler taking the coal powder combustion technology as the core, and has the advantages of high burnout rate and low coal ash content by utilizing the characteristics of fine coal powder granularity, easy ignition and high volatile value. The pulverized coal of the pulverized coal industrial boiler is uniformly supplied by a pulverizing mill and is conveyed to a hearth for combustion through a pulverized coal pipeline, so that the pulverized coal pipeline is a pipeline special for conveying pulverized coal, the requirement on the strength of the pulverized coal pipeline is very high, the traditional pulverized coal pipeline is a pipeline with a single-layer structure, once the pulverized coal pipeline is damaged, the pulverized coal in the pipeline is directly leaked, and the environment pollution is caused.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a pulverized coal pipeline of a boiler, which adopts the following technical scheme:

the utility model provides a pulverized coal pipe of boiler, includes fixed knot structure and body structure, fixed knot structure includes fixed pipe, fixed slot and bolt, fixed pipe both ends respectively are equipped with one the fixed slot, a plurality of equal screw thread in bolt one end passes fixed pipe both ends avris, and stretches into the inside setting of fixed slot, body structure includes connection structure, pipeline one and pipeline two, connection structure includes fixed bolster, screwed pipe, screw thread axle and backup pad, screwed pipe one end with fixed bolster one side is connected fixedly, screw thread axle one end screw thread is twisted inside screwed in screwed pipe one end, screw thread axle one end is connected fixedly with backup pad one side.

As an improvement, the pipe body structure is fixedly connected with the fixing structure, and the first pipeline in the pipe body structure is inserted into the fixing groove.

As an improvement, one end of the bolt is propped against one side of the pipeline, one end of the second pipeline is inserted into the inner side of the fixed pipe, and the first pipeline is matched with the fixed groove.

As an improvement, the second pipeline is matched with the inner side of the fixed pipe. The threaded shaft is adapted to the threaded tube.

As an improvement, a plurality of fixed pads in the connecting structure are fixed at the inner sides of two ends of the first pipeline at equal intervals, and the supporting plates are movably attached to the outer sides of the second pipeline.

As an improvement, the second pipeline is movably inserted into the first pipeline, and the two pipelines are connected through a plurality of connecting structures.

The beneficial effects of the utility model are as follows:

the pipe body structure is provided with the first pipe and the second pipe, after the second pipe arranged in the first pipe leaks, the first pipe can effectively prevent pulverized coal from further leaking, the second pipe can be pulled out from the first pipe to be replaced, the practicability is high, the two pipe body structures are fixed through the fixing structure, and the pipe body structure is convenient and quick to detach.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a right-side cross-sectional structure of the present utility model;

FIG. 3 is a right side view of the fixing structure of the present utility model;

FIG. 4 is a right side view of the pipe structure of the present utility model;

fig. 5 is a schematic diagram of the structure a in fig. 1 according to the present utility model.

Reference numerals illustrate:

1. a fixed structure; 2. a tube structure; 3. a connection structure; 4. a fixed tube; 5. a fixing groove; 6. a bolt; 7. a first pipeline; 8. a second pipeline; 9. a fixing pad; 10. a threaded tube; 11. a threaded shaft; 12. and a support plate.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the utility model herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present utility model and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present utility model will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1-5, a pulverized coal pipe of a boiler comprises a fixing structure 1 and a pipe body structure 2, wherein the fixing structure 1 comprises a fixing pipe 4, fixing grooves 5 and bolts 6, the two fixing grooves 5 are respectively arranged at two ends of the fixing pipe 4 and used for fixing a first pipeline 7, one end of each bolt 6 penetrates through two ends of the fixing pipe 4 and stretches into the fixing grooves 5 and used for fixing the first pipeline 7, the pipe body structure 2 comprises a connecting structure 3, the first pipeline 7 and a second pipeline 8, the connecting structure 3 comprises a fixing pad 9, a threaded pipe 10, a threaded shaft 11 and a supporting plate 12, the threaded shaft 11 is screwed in one end of the threaded pipe 10, the fixing pad 9 is arranged at one end of the threaded pipe 10, the supporting plate 12 is arranged at one end of the threaded shaft 11 and used for fixing a second pipeline 8, the first pipeline 7 is sleeved inside the second pipeline 8, the plurality of connecting structures 3 are arranged between the first pipeline 7 and the second pipeline 8, the fixing pads 9 are uniformly spaced inside the two ends of the first pipeline 7, the plurality of connecting structures 3 are fixed inside the first pipeline 7, the plurality of supporting plates 12 are movably attached to the outer side of the second pipeline 8 and used for fixing the first pipeline 8 and limiting the first pipeline 7 and fixing the second pipeline 7 at one end and fixing the side of the second pipeline 4 and can be fixed at one end of the side of the first pipeline 4 and fixed at one end of the side of the second pipeline 4.

When the pipe fixing device is used, during installation, the adjacent ends of two pipe body structures 2 are fixed through the fixing structure 1, if a second pipe body structure 8 leaks, a plurality of bolts 6 are unscrewed, then the fixing structure 1 is detached from one end of the pipe body structure 2, the second pipe body structure 8 is pulled out of the first pipe body 7, a new second pipe body 8 is inserted into the first pipe body structure 7, then the fixing structure 1 is installed back to one end of the pipe body structure 2, a plurality of supporting plates 12 are movably attached to the outer side of the second pipe body structure 8 and used for limiting and fixing the second pipe body structure 8, the supporting plates 12 are arranged at one end of a threaded shaft 11 and used for fixing the second pipe body structure 8, and the first pipe body structure 7 is sleeved inside the second pipe body structure 8.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a buggy pipeline of boiler, its characterized in that, including fixed knot constructs (1) and body structure (2), fixed knot constructs (1) including fixed pipe (4), fixed slot (5) and bolt (6), fixed pipe (4) both ends respectively are equipped with one fixed slot (5), a plurality of bolt (6) one end all screw thread passes fixed pipe (4) both ends avris, and stretches into fixed slot (5) inside setting, body structure (2) include connection structure (3), pipeline one (7) and pipeline two (8), connection structure (3) include fixed pad (9), screwed pipe (10), screw thread axle (11) and backup pad (12), screwed pipe (10) one end with fixed pad (9) one side connection is fixed, screw thread axle (11) one end screw thread is screwed into inside screwed pipe (10) one end, screw thread axle (11) one end is connected fixedly with backup pad (12) one side.

2. A pulverized coal pipe for a boiler according to claim 1, characterized in that the pipe body structure (2) is fixedly connected with the fixing structure (1), and the first pipe (7) in the pipe body structure (2) is inserted into the fixing groove (5).

3. A pulverized coal pipe for a boiler according to claim 1, characterized in that one end of the bolt (6) is abutted against the side of the first pipe (7), one end of the second pipe (8) is inserted inside the fixed pipe (4), and the first pipe (7) is adapted to the fixed groove (5).

4. A pulverized coal duct for a boiler according to claim 1, characterized in that the second duct (8) is adapted to the inside of the stationary tube (4), and that the threaded shaft (11) is adapted to the threaded tube (10).

5. The pulverized coal pipe of a boiler according to claim 1, wherein a plurality of fixing pads (9) in the connecting structure (3) are fixed at equal intervals on the inner sides of two ends of the first pipe (7), and the supporting plates (12) are movably attached on the outer sides of the second pipe (8).

6. A pulverized coal duct for a boiler according to claim 1, characterized in that the second duct (8) is movably inserted inside the first duct (7) and is connected between them by means of a plurality of said connection structures (3).