CN219841551U

CN219841551U - Mounting mechanism and smoke discharging device of boiler smoke tube

Info

Publication number: CN219841551U
Application number: CN202320576852.XU
Authority: CN
Inventors: 冯永军
Original assignee: Inner Mongolia Mengdian Huaneng Thermal Power Corp Ltd Wuhai Power Plant
Current assignee: Inner Mongolia Mengdian Huaneng Thermal Power Corp Ltd Wuhai Power Plant
Priority date: 2023-03-22
Filing date: 2023-03-22
Publication date: 2023-10-17
Anticipated expiration: 2033-03-22

Abstract

The utility model relates to the technical field of thermal power generation and related equipment thereof, in particular to a mounting mechanism and a smoke discharging device of a boiler smoke tube, which comprises a boiler body; comprises a flue arranged at the top of the outer wall at one side of the flue; and, a docking assembly; comprises a butt joint frame and a sealing ring arranged on the inner side of the butt joint frame; and, a pretreatment tank; comprises a sealing door arranged at one side of the front end face; and, an ash removal assembly; comprises a rotating shaft and a mounting plate arranged at one end of the rotating shaft; and, a buffer assembly; including filter screen and the fixed plate of setting four corners in its one side terminal surface outside, through driving the cardboard under the elastic performance effect of first spring and remove, the staff of being convenient for installs and dismantles advancing the tobacco pipe fast, work efficiency is high to and drive the flabellum through high-speed flue gas and rotate, and drive the cleaning brush on the mounting panel and rotate the face clearance of advancing the cigarette of filter screen, realize cleaning the automation of filter screen, alleviate staff's intensity of labour and amount of labour.

Description

Mounting mechanism and smoke discharging device of boiler smoke tube

Technical Field

The utility model relates to the technical field of boiler smoke discharging devices, in particular to a mounting mechanism and a smoke discharging device of a boiler smoke tube.

Background

The electric power is one of the common energy sources in daily life of people, the main power generation mode in China mainly comprises thermal power generation, power generation is carried out by combusting coal in a boiler to generate a great amount of smoke in the combustion process of the coal, and the generated smoke is required to be discharged through a smoke discharging device and is correspondingly treated, so that the smoke reaches the emission standard;

however, the existing smoke discharging device of the installation mechanism and the boiler smoke tube has the following defects in the actual use process: the filter screen in the smoke exhaust device is mostly connected by welding or bolts and the like, and needs to be cleaned manually, so that the smoke exhaust device is inconvenient for workers to install and disassemble, and the labor capacity of the workers is increased; and the flange plate of the pipeline is installed and butted by the installation component mostly through the fixing bolts, and the mode is complicated and complicated in installation and disassembly, so that the problems of time waste and low working efficiency are solved.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model is provided in view of the problems that the prior installation mechanism mostly carries out installation butt joint on the flange plate of the pipeline through the fixing bolts, and the mode is complicated and complicated in installation and disassembly, wastes time and has low working efficiency.

Therefore, the utility model aims to provide a mounting mechanism and a smoke discharging device of a boiler smoke tube.

In order to solve the technical problems, the utility model provides the following technical scheme: a mounting mechanism for a vehicle, comprising a mounting plate, comprising the steps of (a) a step of,

the boiler body comprises a flue arranged at the top of the outer wall at one side of the boiler body; the butt joint assembly comprises a butt joint frame and a sealing ring arranged on the inner side of the butt joint frame; the pretreatment box comprises a sealing door arranged on one side of the front end face of the pretreatment box.

As a preferred embodiment of the mounting mechanism of the present utility model, wherein: the shell is welded on one side of the end faces of the front end and the rear end of the butt joint frame, and a limiting plate is arranged on the outer side of the outer wall of the shell.

As a preferred embodiment of the mounting mechanism of the present utility model, wherein: the central position of the outer side wall of the limiting plate is provided with a pull ring, and the inner side wall of the limiting plate is welded with connecting rods at equal intervals from top to bottom.

As a preferred embodiment of the mounting mechanism of the present utility model, wherein: one end of the connecting rod penetrates through the butt joint frame and is connected with the clamping plate.

As a preferred embodiment of the mounting mechanism of the present utility model, wherein: the side of connecting rod is provided with first spring, the opposite side terminal surface of cardboard sets up in having the rubber pad.

As a preferred embodiment of the mounting mechanism of the present utility model, wherein: the central position of one side end face of the pretreatment box is provided with a smoke inlet pipe, the central position of the other side end face of the pretreatment box is provided with a smoke outlet pipe, and the edge of one side of the bottom of the pretreatment box is provided with an ash accumulation box.

The utility model has the beneficial effects that: the clamping plate is driven to move under the action of the elastic performance of the first spring, so that the limiting effect on the flange plate at the end part of the smoke inlet pipe is achieved or canceled, workers can conveniently and rapidly install and detach the smoke inlet pipe, time is saved, and working efficiency is high.

The present utility model has been made in view of the above-mentioned problems that the filter screen in the smoke exhaust device of the conventional boiler smoke pipe is mostly connected by welding or bolts, and needs to be cleaned manually, so that it is inconvenient for the staff to install and disassemble and the amount of labor of the staff can be increased.

In order to solve the technical problems, the utility model provides the following technical scheme: a smoke discharging device of a boiler smoke tube comprises the mounting mechanism; the method comprises the steps of,

the ash removing assembly comprises a rotating shaft and a mounting plate arranged at one end of the rotating shaft; the method comprises the steps of,

the buffer component comprises a filter screen and fixing plates arranged at four corners of the outer side of one side end face of the filter screen.

As a preferred embodiment of the fume extractor of the present utility model, wherein: both ends all are provided with the cleaning brush around the inside wall of mounting panel, and the flabellum is installed to the other end of pivot.

As a preferred embodiment of the smoke discharging device of the smoke tube of the boiler of the present utility model, wherein: one side of the fixed plate is provided with a limiting rod, and the limiting rod penetrates through one side of the filter screen. As a preferred embodiment of the smoke discharging device of the smoke tube of the boiler of the present utility model, wherein: the filter screen is matched with the nut, and a second spring is arranged on the circumferential surface of the limiting rod.

The utility model has the beneficial effects that: the fan blades are driven to rotate through the entering smoke, and the cleaning brush on the mounting plate is driven to rotate under the action of the rotating shaft to clean the smoke inlet surface of the filter screen, so that the filter screen can be automatically cleaned in the smoke entering process, the filter screen is kept clean, the labor intensity and the labor amount of workers can be reduced, and time and labor are saved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic diagram of the whole structure of the installation mechanism and the smoke discharging device of the boiler smoke tube.

Fig. 2 is a disassembled view of the structure of the docking assembly according to the present utility model.

Fig. 3 is a cross-sectional view of a pretreatment tank according to the present utility model.

Fig. 4 is a schematic structural diagram of the ash cleaning component according to the present utility model.

Fig. 5 is a schematic structural diagram of a buffering component according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, 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 following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1 to 3, in a first embodiment of the present utility model, a mounting mechanism is provided, and the boiler body 100 discharges flue gas generated during combustion through a flue 101 provided at the top of an outer wall; the docking assembly 200 is positioned at one side of the top of the smoke inlet pipe 301a, and the docking assembly 200 comprises a docking frame 201 and clamping plates 205 arranged at the front end and the rear end of the inside of the docking frame, and the clamping plates 205 at the front end and the rear end can limit the smoke inlet pipe 301a so as to facilitate the installation of the docking smoke inlet pipe 301a; and the other end of the smoke inlet pipe 301a is disposed on the outer wall of the pretreatment tank 300.

Specifically, sealing ring 201a is adhered to the inner side of butt-joint frame 201, rubber pad 205a is adhered to the inner side wall of clamping plate 205, connecting rod 204 is welded to the outer side wall of clamping plate 205 at equal intervals from top to bottom, first spring 204a is sleeved on the outer side of the outer wall of connecting rod 204, the other end of connecting rod 204 penetrates through a through hole in the outer wall of shell 202 and is connected with limiting plate 203, pull ring 203a is installed on the outer side wall of limiting plate 203, shell 202 is welded to the outer side of the outer wall of butt-joint frame 201, sealing door 301 is installed on one side of the front end face of pretreatment box 300, smoke outlet pipe 301b is arranged on the end face of the other side of pretreatment box 300, and dust accumulation box 302 is arranged on one side of the bottom of pretreatment box 300.

Further, sealing washer 201a can increase the leakproofness of pipeline junction, avoids leaking the cigarette, and the inside wall of cardboard 205 is the arc, and can laminate with the outer wall of advancing tobacco pipe 301a, utilizes connecting rod 204 to connect cardboard 205 and limiting plate 203, plays the effect of connection, drives cardboard 205 under the elastic performance effect of first spring 204a and removes.

The operation process comprises the following steps: when the power plant boiler needs to be cleaned and maintained for a period of time by dust in the smoke tube, the pull ring 203a positioned at the front and the rear is pulled outwards, the pull ring 203a is stressed to drive the limiting plate 203 to move outwards, and the limiting plate 203 is connected with the clamping plate 205 through the plurality of connecting rods 204, therefore, when the limiting plate 203 is stressed to move, the clamping plate 205 is pulled into the shell 202 under the action of the connecting rods 204 and presses the first spring 204a, at the moment, the limiting effect of the clamping plate 205 on the flange plate on the outer wall of the smoke tube 301a disappears, then a worker takes out the smoke tube 301a, when the power plant boiler needs to be installed, the end part of the smoke tube 301a is inserted into the butt joint frame 201 and is tightly contacted with the sealing ring 201a, then the force applied to the pull ring 203a is stopped, at the moment, the clamping plate 205 can be ejected out and the flange plate at the end part of the smoke tube 301a has the limiting effect under the action of the elastic performance of the first spring 204a, and then the smoke generated by the boiler body 100 enters the pretreatment box 300 through the smoke tube 301a, and is discharged from the smoke tube 301b after being filtered.

Example 2

Referring to fig. 4, this embodiment differs from the first embodiment in that: the structure of automatic rotary ash removal is provided, the ash removal component 400 is additionally arranged, the fan blades 403 are driven to rotate by utilizing high-speed smoke to remove ash, the cleaning is convenient, the manual operation is not needed, and the efficiency is high.

Specifically, a rotating shaft 401 is installed on the inner wall of the fan blade 403, an installation plate 402 is installed at the other end of the rotating shaft 401, and cleaning brushes 402a are adhered to the front end and the rear end of the inner side wall of the installation plate 402.

The rest of the structure is the same as in embodiment 1.

The operation process comprises the following steps: after the smoke passes through the filter screen 501, the fan blades 403 are driven to rotate, the fan blades 403 rotate to drive the mounting plate 402 at the other end to rotate through the rotating shaft 401, and the mounting plate 402 rotates to drive the cleaning brush 402a at the inner side to clean the smoke inlet surface of the filter screen 501, so that dust particles entering the smoke inlet surface of the filter screen 501 can be swept into the dust collecting box 302, the filter screen 501 can be automatically cleaned in the smoke inlet process, the filter screen 501 is kept clean, the labor intensity and the labor amount of workers can be reduced, and the time and the labor are saved.

Example 3

Referring to fig. 5, this embodiment differs from the above embodiment in that: a buffer assembly 500 capable of filtering solid particles in flue gas is provided, and the buffer assembly 500 plays a role in buffering the filter screen 501 through the elastic performance of the second spring 502b, so that the pressure of high-speed flue gas on the filter screen 501 is reduced.

Specifically, a stop lever 502a is installed in the second spring 502b, one end of the stop lever 502a is installed with a fixing plate 502, and the other end of the stop lever 502a penetrates through the outer wall of one side of the filter screen 501 and is connected with a nut 503.

Further, the outer end of the outer wall of the limit rod 502a is provided with an external thread, the external thread is in threaded engagement with an internal thread on the inner wall of the nut 503, when the nut 503 is assembled and disassembled, the nut 503 is rotated, and because the internal thread on the inner wall of the nut 503 is in threaded engagement with the external thread on the outer wall of the limit rod 502a, the nut 503 is screwed out of the limit rod 502a when rotated, then the filter screen 501 is disassembled, and the fixing plate 502 is welded on the inner wall of the pretreatment box 300.

The operation process comprises the following steps: after the generated flue gas enters the pretreatment box 300 through the smoke inlet pipe 301a, the generated flue gas is filtered under the action of the filter screen 501, solid particles in the flue gas are filtered out, meanwhile, the high-speed flue gas can generate an acting force on the filter screen 501, at the moment, the filter screen 501 is forced to move leftwards and extrude the second springs 502b positioned around, the buffer effect can be achieved under the elastic performance of the second springs 502b, and the protection effect on the filter screen 501 can be achieved.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A mounting mechanism, characterized in that: comprising the steps of (a) a step of,

a boiler body (100) including a flue (101) provided at the top of one side outer wall thereof;

a docking assembly (200) including a docking frame (201) and a sealing ring (201 a) disposed inside;

the pretreatment tank (300) includes a sealing door (301) provided on the front end face side thereof.

2. The mounting mechanism as set forth in claim 1, wherein: two ends of the butt joint frame (201) are provided with shells (202), and one side of each shell (202) is provided with a limiting plate (203).

3. The mounting mechanism as set forth in claim 2, wherein: the side of limiting plate (203) is provided with pull ring (203 a), the side of limiting plate (203) is provided with connecting rod (204).

4. A mounting mechanism as claimed in claim 3, wherein: one end of the connecting rod (204) penetrates through the butt joint frame (201) and is connected with the clamping plate (205).

5. The mounting mechanism as set forth in claim 4, wherein: the side of connecting rod (204) is provided with first spring (204 a), the opposite side terminal surface of cardboard (205) sets up in having rubber pad (205 a).

6. The mounting mechanism of any one of claims 1-5, wherein: one side of the pretreatment box (300) is provided with a smoke inlet pipe (301 a), the other side end of the pretreatment box (300) is provided with a smoke outlet pipe (301 b), and the edge of one side of the bottom of the pretreatment box (300) is provided with an ash deposition box (302).

7. A smoke discharging device of boiler tobacco pipe, its characterized in that: comprising a mounting mechanism as claimed in any one of claims 1 to 6; the method comprises the steps of,

the ash cleaning assembly (400) comprises a rotating shaft (401), and a mounting plate (402) is arranged at one end of the rotating shaft (401);

the buffering assembly (500) comprises a filter screen (501), a fixing plate (502) and a nut (503), wherein the fixing plate (502) is connected with the filter screen (501), and the nut (503) is matched with the fixing plate (502).

8. The smoke evacuation device for a smoke tube of a boiler of claim 7, wherein: the side of mounting panel (402) is provided with cleaning brush (402 a), pivot (401) one end is provided with flabellum (403).

9. The smoke evacuation device for a smoke tube of a boiler of claim 8, wherein: one side of the fixed plate (502) is provided with a limiting rod (502 a), and the limiting rod (502 a) penetrates through one side of the filter screen (501).

10. The smoke evacuation device for a smoke tube of a boiler of claim 9, wherein: the filter screen (501) is matched with the nut (503), and a second spring (502 b) is arranged on the circumferential surface of the limiting rod (502 a).