Sootblowing device for steam boiler

Abstract

The utility model discloses a sootblowing device for a steam boiler, belonging to the technical field of boiler sootblowing, comprising a connecting seat, a positioning assembly is arranged on the outer side of the connecting seat, a rotating seat is movably installed inside the connecting seat, a fixed pipe is fixedly installed inside the rotating seat, a purge pipe is rotatably installed in the inner cavity of the fixed pipe, a connecting joint is arranged on one end of the purge pipe, the other end of the purge pipe is bent, and a plurality of groups of purge holes are opened at the bent part of the purge pipe; the utility model can install the device at the cleaning port of the boiler through the arrangement of the positioning assembly, at which time the bent part of the purge pipe is located inside the boiler, and when the inside of the boiler is purged, the use direction and use angle of the purge hole can be adjusted by the angle adjustment assembly and the direction adjustment assembly, so as to purge and clean the inside of the boiler in different directions and at different angles, so as to improve the effect of purging and cleaning the inside of the boiler.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler soot blowing, in particular to a soot blowing device for a steam boiler. Background Art

[0002] The steam soot blower for boiler uses the pressure of high-pressure steam to blow away the accumulated soot on the heating surface inside the boiler. The traditional steam boiler soot blower inserts the outer tube into the boiler, opens the nozzle to spray and blow soot, and the high-pressure steam is sprayed out from the outer tube to form a spray area centered on the outer tube.

[0003] A Chinese patent with a publication (announcement) number of CN219656095U discloses a steam sootblowing device for a boiler with a foldable injection rod. A conventional steam boiler sootblower is to insert an outer tube deep into the boiler, open a nozzle for injection sootblowing, and high-pressure steam is ejected from the outer tube to form an injection area centered on the outer tube. The pressure of the ejected high-pressure steam becomes smaller and smaller with the increase of the radius, so that the area far from the outer tube cannot effectively remove the accumulated dust. The product includes an outer tube, the outer tube is connected to a motor, the motor is connected to a lead screw, the lead screw is connected to a drive rod, the drive rod is connected to the outer tube, the drive rod is connected to a circular gear, the circular gear is connected to a fixed seat, the fixed seat is connected to the outer tube, the circular gear and the gears on both sides are meshed with each other, the gear is connected to a folding rod, the folding rod is connected to the outer tube, the folding rod is connected to a group of nozzles, and the folding rod is connected to the outer tube through an air pipe, thereby increasing the injection range and injection direction of the steam, so that the accumulated dust in all directions in the boiler can be effectively removed.

[0004] The sootblowing device involved in the above patent still has some obvious shortcomings in actual use. The device is not flexible to use and cannot flexibly adjust its blowing direction and angle according to actual use requirements. Therefore, we need to propose a sootblowing device for steam boilers. Utility Model Content

[0005] The utility model aims to provide a sootblowing device for a steam boiler, which has the advantage that the blowing direction and the blowing angle can be adjusted according to the use requirements, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a sootblowing device for a steam boiler, comprising a connecting seat, a positioning assembly is arranged on the outer side of the connecting seat, a rotating seat is movably installed inside the connecting seat, a fixed pipe is fixedly installed inside the rotating seat, a purge pipe is rotatably installed in the inner cavity of the fixed pipe, a connecting joint is installed at one end of the purge pipe, the other end of the purge pipe is bent, and a plurality of groups of purge holes are opened at the bent portion of the purge pipe, an angle adjustment assembly for adjusting the purge angle of the purge pipe is installed on one side of the positioning assembly, and a direction adjustment assembly for adjusting the purge direction of the purge pipe is installed on the top of the fixed pipe.

[0007] Preferably, the positioning assembly comprises a positioning flange fixedly mounted on the surface of the connecting seat, and positioning holes are equidistantly formed on the surface of the positioning flange.

[0008] Preferably, the angle adjustment assembly includes a drive motor 1 fixedly mounted on one side of the positioning flange, the output shaft of the drive motor 1 is fixedly mounted with a rotating shaft, the end of the rotating shaft away from the drive motor passes through the connecting seat and extends to the inner cavity of the connecting seat and is fixedly connected to the top of the rotating seat, and a support assembly for supporting the rotating seat is provided on one side of the positioning flange and below the connecting seat.

[0009] Preferably, the support assembly includes a support shaft fixedly mounted on the bottom of the rotating seat, the bottom end of the support shaft passes through the connecting seat and extends to the bottom of the connecting seat where a support plate is rotatably mounted, and one side of the support plate is fixedly connected to one side of the positioning flange.

[0010] Preferably, a positioning seat is fixedly installed on one side of the positioning flange and at a position corresponding to the driving motor 1, and the driving motor 1 is fixedly installed on one side of the positioning flange through the positioning seat.

[0011] Preferably, the direction adjustment assembly includes a second drive motor fixedly mounted on the top of the fixed tube, the output shaft of the second drive motor is fixedly mounted with a drive gear, and a gear ring meshing with the drive gear is fixedly mounted on the surface of the purge tube and located below the drive gear.

[0012] Preferably, a mounting seat is fixedly installed on the top of the fixed tube and at a position corresponding to the second driving motor, and the second driving motor is fixedly installed on the top of the fixed tube through the mounting seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can install the device at the cleaning port of the boiler through the setting of the positioning component. At this time, the bending part of the purge pipe is located inside the boiler. When purging the inside of the boiler, the use direction and use angle of the purge hole can be adjusted by the angle adjustment component and the direction adjustment component, so as to purge and clean the inside of the boiler in different directions and at different angles, so as to improve the effect of purging and cleaning the inside of the boiler. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the purge hole of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the angle adjustment component of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the direction adjustment component of the utility model.

[0019] In the figure: 1. connecting seat; 2. rotating seat; 3. fixed pipe; 4. purge pipe; 5. connecting joint; 6. purge hole; 7. positioning flange; 8. positioning hole; 9. driving motor 1; 10. rotating shaft; 11. supporting shaft; 12. supporting plate; 13. positioning seat; 14. driving motor 2; 15. driving gear; 16. gear ring; 17. mounting seat. DETAILED DESCRIPTION

[0020] 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 are within the scope of protection of the utility model.

[0021] See also Figure 1-Figure 4 The utility model provides a sootblowing device for a steam boiler, comprising a connecting seat 1, a positioning assembly is arranged on the outer side of the connecting seat 1, the positioning assembly comprises a positioning flange 7 fixedly mounted on the surface of the connecting seat 1, and positioning holes 8 are equidistantly provided on the surface of the positioning flange 7. Through the arrangement of the positioning assembly, when the device is used to purge and clean the boiler, the device can be fixed at the cleaning port of the boiler through the positioning flange 7 and the positioning holes 8 with the help of bolts.

[0022] Preferably, a rotating seat 2 is movably installed inside the connecting seat 1, a fixed tube 3 is fixedly installed inside the rotating seat 2, a purge tube 4 is rotatably installed in the inner cavity of the fixed tube 3, a connecting joint 5 is installed at one end of the purge tube 4, the other end of the purge tube 4 is bent, and a plurality of groups of purge holes 6 are opened at the bent portion of the purge tube 4.

[0023] After the device is installed on the boiler, the purge hole 6 of the purge pipe 4 is located inside the boiler, and the other end thereof is installed on the ash cleaner through the connecting joint 5. High-pressure steam is blown into the interior of the boiler through the purge hole 6 to purge and clean the interior.

[0024] Among them, an angle adjustment component for adjusting the purge angle of the purge pipe 4 is installed on one side of the positioning component, and the angle adjustment component includes a drive motor 9 fixedly installed on one side of the positioning flange 7, and the output shaft of the drive motor 9 is fixedly installed with a rotating shaft 10. The end of the rotating shaft 10 away from the drive motor passes through the connecting seat 1 and extends to the inner cavity of the connecting seat 1 and is fixedly connected to the top of the rotating seat 2. A positioning seat 13 is fixedly installed on one side of the positioning flange 7 and at the corresponding position of the drive motor 9. The drive motor 9 is fixedly installed on one side of the positioning flange 7 through the positioning seat 13.

[0025] When the inside of the boiler is purged and cleaned, if the purging and cleaning angle needs to be adjusted, the user can turn on the drive motor 9 through the external controller, and the output shaft of the drive motor 9 will drive the rotating seat 2 to rotate through the rotating shaft 10, and then drive the purging pipe 4 to rotate through the fixed pipe 3 to adjust its purging angle. The drive motor 9 can be installed and fixed on one side of the positioning flange 7 through the setting of the positioning seat 13.

[0026] It is worth noting that a support assembly for supporting the rotating seat 2 is provided on one side of the positioning flange 7 and below the connecting seat 1. The support assembly includes a support shaft 11 fixedly installed at the bottom of the rotating seat 2. The bottom end of the support shaft 11 penetrates the connecting seat 1 and extends to the bottom of the connecting seat 1. A support plate 12 is rotatably installed, and one side of the support plate 12 is fixedly connected to one side of the positioning flange 7. By setting the support assembly, the stability of the rotation of the rotating seat 2 can be improved.

[0027] Furthermore, a direction adjustment component for adjusting the purge direction of the purge tube 4 is installed on the top of the fixed tube 3, and the direction adjustment component includes a drive motor 14 fixedly installed on the top of the fixed tube 3, and a drive gear 15 is fixedly installed on the output shaft of the drive motor 14. A gear ring 16 meshing with the drive gear 15 is fixedly installed on the surface of the purge tube 4 and below the drive gear 15. A mounting seat 17 is fixedly installed on the top of the fixed tube 3 and at a corresponding position of the drive motor 14. The drive motor 14 is fixedly installed on the top of the fixed tube 3 through the mounting seat 17.

[0028] Through the setting of the direction adjustment component, when using the device to purge and clean the inside of the boiler, if it is necessary to adjust the purge direction of the purge hole 6, the user can turn on the drive motor 2 14 through the external controller, and the output shaft of the drive motor 2 14 will drive the ring gear 16 to rotate through the drive gear 15, thereby driving the purge tube 4 to rotate in the inner cavity of the fixed tube 3, so as to adjust its use direction at one end inside the boiler.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sootblowing device for a steam boiler, comprising a connecting seat (1), a positioning assembly being arranged on the outer side of the connecting seat (1), characterized in that: A rotating seat (2) is movably mounted inside the connecting seat (1), a fixed tube (3) is fixedly mounted inside the rotating seat (2), a purge tube (4) is rotatably mounted in the inner cavity of the fixed tube (3), a connecting joint (5) is mounted on one end of the purge tube (4), the other end of the purge tube (4) is bent, and a plurality of groups of purge holes (6) are provided at the bent portion of the purge tube (4), an angle adjustment component for adjusting the purge angle of the purge tube (4) is mounted on one side of the positioning component, and a direction adjustment component for adjusting the purge direction of the purge tube (4) is mounted on the top of the fixed tube (3).

2. A sootblowing device for a steam boiler according to claim 1, characterized in that: The positioning assembly comprises a positioning flange (7) fixedly mounted on the surface of the connecting seat (1), and the surface of the positioning flange (7) is provided with positioning holes (8) at equal intervals.

3. A sootblowing device for a steam boiler according to claim 2, characterized in that: The angle adjustment component comprises a drive motor (9) fixedly mounted on one side of the positioning flange (7); a rotating shaft (10) is fixedly mounted on the output shaft of the drive motor (9); an end of the rotating shaft (10) away from the drive motor passes through the connecting seat (1) and extends to the inner cavity of the connecting seat (1) and is fixedly connected to the top of the rotating seat (2); a support component for supporting the rotating seat (2) is provided on one side of the positioning flange (7) and below the connecting seat (1).

4. A sootblowing device for a steam boiler according to claim 3, characterized in that: The support assembly comprises a support shaft (11) fixedly mounted on the bottom of the rotating seat (2); the bottom end of the support shaft (11) passes through the connecting seat (1) and extends to the bottom of the connecting seat (1) where a support plate (12) is rotatably mounted; one side of the support plate (12) is fixedly connected to one side of the positioning flange (7).

5. A sootblowing device for a steam boiler according to claim 2, characterized in that: A positioning seat (13) is fixedly installed on one side of the positioning flange (7) and at a position corresponding to the driving motor (9), and the driving motor (9) is fixedly installed on one side of the positioning flange (7) through the positioning seat (13).

6. A sootblowing device for a steam boiler according to claim 1, characterized in that: The direction adjustment component comprises a second drive motor (14) fixedly mounted on the top of the fixed tube (3); a drive gear (15) is fixedly mounted on the output shaft of the second drive motor (14); and a gear ring (16) meshing with the drive gear (15) is fixedly mounted on the surface of the purge tube (4) and located below the drive gear (15).

7. A sootblowing device for a steam boiler according to claim 6, characterized in that: A mounting seat (17) is fixedly mounted on the top of the fixed tube (3) and at a position corresponding to the second drive motor (14); the second drive motor (14) is fixedly mounted on the top of the fixed tube (3) via the mounting seat (17).

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