CN218672224U - Anticorrosive flue for waste heat recovery of thermal power plant and cleaning device thereof - Google Patents

Abstract

The utility model relates to the technical field of flue, in particular to an anticorrosive flue for recovering waste heat of a thermal power plant and a cleaning device thereof, which comprises an anticorrosive component, a flue pipe, an anticorrosive coating and a filter screen, wherein the anticorrosive coating is arranged on the inner wall of the flue pipe, and the filter screen is arranged on the inner wall of the flue pipe; and the cleaning assembly is arranged in the flue pipe and comprises a motor, a connecting rod, a rotating rod, a driving bevel gear, a round rod, a driven bevel gear, a first scraper blade and a second scraper blade, and the connecting rod is fixedly connected to the bottom end of the motor. The utility model discloses a filter screen stops the particulate matter in the flue gas to reduce the particulate matter constantly and produce the friction with anticorrosive coating and accelerate the possibility of anticorrosive coating wearing and tearing, and through the rotatory inner wall of clearing up the flue pipe of the first scraper blade of motor drive and second scraper blade, thereby reduce the smoke and dust granule constantly and adhere to on anticorrosive coating and constantly cause the possibility of erosion to it, consequently the anticorrosive effect of flue pipe is better.

Description

Anticorrosive flue for recovering waste heat of thermal power plant and cleaning device thereof

Technical Field

The utility model relates to a flue technical field, especially a steam power plant waste heat recovery is with anticorrosive flue and cleaning device thereof.

Background

Thermal power plant can produce a large amount of high temperature smoke and dust airflows when producing, is convenient for retrieve the heat in the high temperature smoke and dust airflow and reutilization through waste heat recovery device this moment, and high temperature smoke and dust airflow need carry it through the flue when retrieving, contains more granule and the gas that has corrosivity in the smoke and dust airflow to cause the erosion to the flue easily.

The corrosion resistance of the existing part of flue is improved by spraying the anticorrosive paint on the inner wall, but when smoke dust airflow passes through the flue, the smoke dust particles in the flue continuously rub the anticorrosive coating, so that the abrasion speed of the anticorrosive coating is easily increased, and part of the smoke dust particles continuously adhere to the anticorrosive coating and are easily corroded, so that the corrosion resistance of the flue is poor; and the smoke dust particles are attached to the inner wall of the flue, so that the subsequent cleaning is inconvenient.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the problem that the existing partial flue has poor corrosion resistance, the corrosion-resistant flue for recovering the waste heat of the thermal power plant is provided.

In order to solve the technical problem, the utility model provides a following technical scheme: an anti-corrosion flue for recovering waste heat of a thermal power plant comprises an anti-corrosion assembly, wherein the anti-corrosion assembly comprises a flue pipe, an anti-corrosion coating and a filter screen, the anti-corrosion coating is arranged on the inner wall of the flue pipe, and the filter screen is arranged on the inner wall of the flue pipe; and a cleaning assembly disposed inside the flue tube.

As a thermal power plant waste heat recovery is with an optimal selection scheme of anticorrosive flue, wherein: and a blanking pipe is fixedly inserted into the side surface of the flue pipe and is arranged on the lower side of the filter screen.

As a preferred scheme of heat power plant waste heat recovery is with anticorrosive flue, wherein: the side surface of the blanking pipe is movably inserted with a collecting box, and water is stored in the collecting box.

As a preferred scheme of heat power plant waste heat recovery is with anticorrosive flue, wherein: the side face of the collecting box is fixedly connected with a pull ring, and anti-skid cotton is bonded on the surface of the pull ring.

The utility model discloses beneficial effect does: the filter screen is used for blocking particulate matters in the flue gas, so that the possibility that the particulate matters continuously rub the anti-corrosion coating and accelerate the abrasion of the anti-corrosion coating is reduced, and the anti-corrosion effect of the flue pipe is better; the collection box is convenient for collect the smoke and dust granule that drops to the blanking intraductal to soak the smoke and dust granule through water, thereby reduce the possibility that the smoke and dust granule drifted back to the flue intraduct again, come through will collecting the intraductal extraction-out of box from the blanking, thereby the operator of being convenient for clears up the smoke and dust granule in the collection box.

In view of the problem that the existing partial flue is inconvenient to clean, the cleaning device for the anticorrosion flue for recovering the waste heat of the thermal power plant is provided.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a cleaning device of anticorrosive flue for waste heat recovery of steam power plant, includes clean subassembly, and it includes motor, connecting rod, bull stick, initiative bevel gear, round bar, driven bevel gear, first scraper blade and second scraper blade, connecting rod fixed connection is in the bottom of motor, the output shaft fixed connection of bull stick and motor, initiative bevel gear fixed connection is at the lower extreme of bull stick, the fixed cover of driven bevel gear is in the side of round bar, driven bevel gear and initiative bevel gear meshing, first scraper blade fixed connection is in one side of round bar, second scraper blade fixed connection is at the opposite side of round bar.

As a steam power plant waste heat recovery is with a preferred scheme of cleaning device of anticorrosive flue, wherein: the cleaning assembly further comprises a supporting rod, one end of the supporting rod is fixedly connected with a protective shell, and the rotating rod and the round rod are movably inserted into the side face of the protective shell.

As a steam power plant waste heat recovery is with cleaning device of anticorrosive flue's an preferred scheme, wherein: the number of the supporting rods is two, the two supporting rods are symmetrical relative to the protective shell, the protective shell is spherical, and the driving bevel gear and the driven bevel gear are both arranged in the protective shell.

As a steam power plant waste heat recovery is with a preferred scheme of cleaning device of anticorrosive flue, wherein: the first scraper is L-shaped.

As a steam power plant waste heat recovery is with a preferred scheme of cleaning device of anticorrosive flue, wherein: the number of the second scraping plates is a plurality, and the second scraping plates are equally divided into two groups and are symmetrical about the drive bevel gear.

As a steam power plant waste heat recovery is with a preferred scheme of cleaning device of anticorrosive flue, wherein: and a sealing sleeve is movably sleeved on the side surface of the rotating rod.

The utility model discloses beneficial effect does: the motor drives the driving bevel gear to rotate through the rotating rod, the driving bevel gear drives the driven bevel gear to rotate with the round rod, the round rod drives the first scraper blade to rotate with the second scraper blade, and then the first scraper blade and the second scraper blade scrape and sweep the inner wall of the flue pipe, and the inner wall of the flue pipe is automatically cleaned.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic perspective view of an anticorrosive flue for recovering waste heat of a thermal power plant;

FIG. 2 is a sectional view of a partial three-dimensional structure of an anticorrosive flue for recovering waste heat of a thermal power plant;

FIG. 3 is a schematic perspective view of a cleaning device for an anticorrosive flue for recovering waste heat of a thermal power plant;

FIG. 4 is a sectional view of a partial three-dimensional structure of a cleaning device of an anticorrosive flue for recovering waste heat of a thermal power plant;

FIG. 5 is a sectional view of another partial perspective structure of the cleaning device for the corrosion-proof flue for recovering the residual heat of the thermal power plant.

In the drawings, the components represented by the respective reference numerals are listed below:

100. an anti-corrosion component; 101. a flue pipe; 101a, a blanking pipe; 101b, a collection box; 101c, a pull ring; 102. an anticorrosive coating; 103. filtering with a screen;

200. a cleaning assembly; 201. a motor; 202. a connecting rod; 203. a rotating rod; 203a, a sealing sleeve; 204. a drive bevel gear; 205. a round bar; 206. a driven bevel gear; 207. a first squeegee; 208. a second squeegee; 209. a support bar; 209a, a protective shell.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. 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.

Example one

As shown in fig. 1 and fig. 2 of the attached drawings of the specification, for a first embodiment of the present invention, this embodiment provides an anticorrosion flue for recovering waste heat of a thermal power plant, which includes an anticorrosion assembly 100, which includes a flue pipe 101, an anticorrosion coating 102 and a filter screen 103, wherein the anticorrosion coating 102 is disposed on an inner wall of the flue pipe 101, and the filter screen 103 is disposed on an inner wall of the flue pipe 101; and a cleaning assembly 200 disposed inside the flue pipe 101.

Specifically, the flue pipe 101 plays a role of bearing the filter screen 103, the anti-corrosion coating 102 is uniformly coated on the inner wall of the flue pipe 101, the filter screen 103 is fixedly connected with the inner wall of the flue pipe 101, and the filter screen 103 is arranged at the flue gas inlet side of the flue pipe 101, so that the flue gas entering the flue pipe 101 can be filtered.

When the cleaning assembly 200 is used, smoke particles enter the smoke pipe 101, the filter screen 103 blocks particles in smoke, so that the possibility that the particles continuously rub the anti-corrosion coating 102 and wear of the anti-corrosion coating 102 is accelerated is reduced, and the cleaning assembly 200 can clean the particles adhered to the inner wall of the smoke pipe 101 after being opened.

Example two

As shown in the attached drawings of the specification, fig. 1 and fig. 2, for a second embodiment of the present invention, the embodiment is based on the previous embodiment, a blanking pipe 101a is fixedly inserted to the side of the flue pipe 101, the blanking pipe 101a is arranged at the lower side of the filter screen 103, and the arrangement of the blanking pipe 101a facilitates the falling and discharging of the soot particles at the side of the filter screen 103.

Furthermore, a collecting box 101b is movably inserted into the side surface of the blanking pipe 101a, and water is stored in the collecting box 101b.

Still further, the side of collecting box 101b is fixedly connected with pull ring 101c, and the surface bonding of pull ring 101c has anti-skidding cotton, and the setting up of anti-skidding cotton makes things convenient for the staff pull collection box 101b.

When using, the smoke and dust granule of flue pipe 101 falls to in collecting box 101b through blanking pipe 101a, and collects the inside water that stores of box 101b and wets the smoke and dust granule to reduce the inside possibility of smoke and dust granule wafting back flue pipe 101 again, carry out the dust fall promptly to the smoke and dust granule and handle, when the box 101b is collected in the clearance, will collect box 101b through pull ring 101c and draw out from blanking pipe 101a, thereby be convenient for the operator to collect the smoke and dust granule in the box 101b and clear up.

EXAMPLE III

As shown in fig. 3-5 of the specification, for the third embodiment of the present invention, this embodiment provides an anticorrosion flue for recovering waste heat of a thermal power plant, including a cleaning assembly 200, which includes a motor 201, a connecting rod 202, a rotating rod 203, a driving bevel gear 204, a round rod 205, a driven bevel gear 206, a first scraper blade 207 and a second scraper blade 208, when in use, the motor 201 is disposed on the side of the flue pipe 101, the motor 201 is connected with the flue pipe 101 through the connecting rod 202, the rotating rod 203 is rotatably connected to the side of the flue pipe 101, the connecting rod 202 is fixedly connected to the bottom of the motor 201, the bottom of the connecting rod 202 is fixedly connected to the flue pipe 101, the rotating rod 203 is fixedly connected to the output shaft of the motor 201, the driving bevel gear 204 is fixedly connected to the lower end of the rotating rod 203, the round rod 205 is rotatably connected to the side of the flue pipe 103, the driven bevel gear 206 is fixedly connected to the side of the round rod 205, the driven bevel gear 206 is engaged with the driving bevel gear 204, the first scraper blade 207 is fixedly connected to one side of the round rod 205, the side of the first scraper blade is connected to the side of the round rod 103, and the second scraper blade is slidably connected to the other side of the second scraper blade 205.

Further, the cleaning assembly 200 further comprises a supporting rod 209, one end of the supporting rod 209 is fixedly connected with a protective shell 209a, the rotating rod 203 and the round rod 205 are movably inserted on the side face of the protective shell 209a, the protective shell 209a is conveniently fixed inside the flue pipe 101 through the supporting rod 209, the stability of the rotating rod 203 and the round rod 205 during rotation is convenient to increase through the protective shell 209a, and one end of the supporting rod 209 far away from the protective shell 209a is fixedly connected with the inner wall of the flue pipe 101.

Preferably, the number of the support rods 209 is two, the two support rods 209 are symmetrical about the protective shell 209a, the stability of the connection between the protective shell 209a and the flue pipe 101 is increased by the cooperation of the two support rods 209, the protective shell 209a is spherical, and the driving bevel gear 204 and the driven bevel gear 206 are both inside the protective shell 209 a.

Preferably, the first scraper 207 is L-shaped, the side surface of the first scraper 207 is slidably connected to the inner wall of the flue pipe 101, and the first scraper 207 facilitates the scraping of the accumulated soot particles on the surface of the filter screen 103, so as to reduce the possibility of the soot particles blocking the filter screen 103 and facilitate the scraping of the inner wall of the flue pipe 101 by the first scraper 207.

Preferably, the number of the second scrapers 208 is several, the several second scrapers 208 are equally divided into two groups and symmetrical about the drive bevel gear 204, and the inner wall of the flue pipe 101 is easily scraped by the second scrapers 208, so that the possibility that smoke particles are continuously attached to the corrosion-resistant coating 102 and continuously erode the same is reduced.

Preferably, the sealing sleeve 203a is movably sleeved on the side surface of the rotating rod 203, the sealing sleeve 203a is fixedly inserted on the side surface of the flue pipe 101, and the sealing property between the rotating rod 203 and the flue pipe 101 is increased by the sealing sleeve 203a, so that the possibility of leakage of smoke and dust airflow is reduced.

When in use, the circular protective shell 209a can reduce the resistance of the smoke flow flowing in the flue pipe 101, and the protective shell 209a is convenient for protecting the drive bevel gear 204 and the driven bevel gear 206, thereby reducing the possibility that the drive bevel gear 204 and the driven bevel gear 206 are corroded by the smoke flow; the motor 201 is connected with an external power supply, the motor 201 drives the rotating rod 203 and the driving bevel gear 204 to rotate, the driving bevel gear 204 drives the driven bevel gear 206 and the round rod 205 to rotate, the round rod 205 drives the first scraper blade 207 and the second scraper blade 208 to rotate, and the first scraper blade 207 rotates to facilitate the scraping and sweeping of smoke particles of the filter screen 103, so that the possibility that the smoke particles are continuously accumulated on the surface of the filter screen 103 and block the filter screen 103 is reduced, the second scraper blade 208 rotates to scrape and sweep the inner wall of the flue pipe 101, and the possibility that the smoke particles are continuously attached to the anti-corrosion coating 102 and continuously corrode the anti-corrosion coating 102 is reduced.

In conclusion, smoke particles enter the flue pipe 101, the filter screen 103 blocks the particles in the smoke, so that the possibility that the particles continuously rub the anti-corrosion coating 102 and accelerate the abrasion of the anti-corrosion coating 102 is reduced, the motor 201 is connected with an external power supply, the round rod 205 drives the first scraper 207 and the second scraper 208 to rotate, the first scraper 207 rotationally cleans the smoke particles accumulated on the surface of the filter screen 103, the cleaned smoke particles fall into the collecting box 101b through the blanking pipe 101a, and the second scraper 208 rotationally scrapes the inner wall of the flue pipe 101, so that the possibility that the smoke particles continuously adhere to the anti-corrosion coating 102 and continuously corrode the anti-corrosion coating is reduced.

It is important to note that the construction and arrangement of the present application 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., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited 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 this invention. 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 inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, 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 unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

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, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a waste heat recovery of steam power plant is with anticorrosive flue which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the anti-corrosion assembly (100) comprises a flue pipe (101), an anti-corrosion coating (102) and a filter screen (103), wherein the anti-corrosion coating (102) is arranged on the inner wall of the flue pipe (101), and the filter screen (103) is arranged on the inner wall of the flue pipe (101); and

a cleaning assembly (200) disposed inside the flue tube (101).

2. The corrosion-resistant flue for recovering the waste heat of the thermal power plant as claimed in claim 1, wherein: a blanking pipe (101 a) is fixedly inserted into the side surface of the flue pipe (101), and the blanking pipe (101 a) is arranged on the lower side of the filter screen (103).

3. The corrosion-resistant flue for recovering the waste heat of the thermal power plant as claimed in claim 2, wherein: the side surface of the blanking pipe (101 a) is movably inserted with a collecting box (101 b), and water is stored in the collecting box (101 b).

4. The corrosion-resistant flue for recovering the waste heat of the thermal power plant as claimed in claim 3, wherein: the side surface of the collecting box (101 b) is fixedly connected with a pull ring (101 c), and the surface of the pull ring (101 c) is bonded with anti-skid cotton.

5. The utility model provides a cleaning device of anticorrosive flue for waste heat recovery of steam power plant which characterized in that: comprises the anticorrosion flue for recovering the waste heat of the thermal power plant as claimed in any one of claims 1 to 4; and (c) a second step of,

cleaning assembly (200), it includes motor (201), connecting rod (202), bull stick (203), drive bevel gear (204), round bar (205), driven bevel gear (206), first scraper blade (207) and second scraper blade (208), connecting rod (202) fixed connection is in the bottom of motor (201), the output shaft fixed connection of bull stick (203) and motor (201), drive bevel gear (204) fixed connection is at the lower extreme of bull stick (203), driven bevel gear (206) fixed connection is in the side of round bar (205), driven bevel gear (206) and drive bevel gear (204) meshing, first scraper blade (207) fixed connection is in one side of round bar (205), second scraper blade (208) fixed connection is in the opposite side of round bar (205).

6. The cleaning device of the anticorrosion flue for recovering the waste heat of the thermal power plant as recited in claim 5, characterized in that: the cleaning assembly (200) further comprises a supporting rod (209), one end of the supporting rod (209) is fixedly connected with a protective shell (209 a), and the rotating rod (203) and the round rod (205) are movably inserted into the side face of the protective shell (209 a).

7. The cleaning device of the anticorrosion flue for recovering the waste heat of the thermal power plant as recited in claim 6, characterized in that: the number of the supporting rods (209) is two, the two supporting rods (209) are symmetrical about a protective shell (209 a), the protective shell (209 a) is spherical, and the driving bevel gear (204) and the driven bevel gear (206) are both arranged inside the protective shell (209 a).

8. The cleaning device for the anticorrosion flue for the waste heat recovery of the thermal power plant as recited in claim 7, characterized in that: the first scraper (207) is L-shaped.

9. The cleaning device for the anticorrosion flue for recovering the waste heat of the thermal power plant as recited in claim 8, characterized in that: the number of the second scrapers (208) is several, and the several second scrapers (208) are equally divided into two groups and are symmetrical about the drive bevel gear (204).

10. The cleaning device for the anticorrosion flue for recovering the waste heat of the thermal power plant as claimed in claim 8 or 9, characterized in that: and a sealing sleeve (203 a) is movably sleeved on the side surface of the rotating rod (203).

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