CN210753354U - Spraying device of power plant chimney anticorrosive material - Google Patents

Abstract

The utility model discloses a spraying device of power plant's chimney anticorrosive material, including setting up in the support frame on chimney top, the upside is vertical to be provided with the pivot in support frame middle part, the outside sets up driven gear in the middle part of the pivot, driven gear one side meshing driving gear, the driving gear is connected with first motor, pivot upper end level is provided with the mounting panel, the mounting panel both ends symmetry is provided with the reel, the reel is connected with the rotatory second motor of drive reel, the reel outside winding has wire rope, the wire rope lower extreme extends to in the chimney and hangs the storage case, the storage case left and right sides symmetry is provided with vertical bracing piece, be connected with flexible guide bar and first spring between bracing piece and the storage case, the bracing piece upper end is provided with the shower nozzle, the shower nozzle is connected with the guide hose, the guide hose is connected with the storage case; the utility model is suitable for an anticorrosive material spraying of the oblique internal face of chimney, the spraying is even, effectual.

Description

A spraying device for anti-corrosion materials for power plant chimneys

technical field

The utility model belongs to the technical field of anti-corrosion equipment, in particular to a spraying device for anti-corrosion materials for chimneys of power plants.

Background technique

In the power generation industry, the flue gas emitted by the chimney contains corrosive substances, which can easily corrode the chimney. Therefore, it is particularly important to install an anti-corrosion layer on the inner wall of the chimney. At present, when anti-corrosion treatment is performed on the inner wall of the chimney, the anti-corrosion material is manually entered into the chimney, which has certain hidden safety hazards, and the efficiency and labor cost are high.

The chimney anti-corrosion spraying device of publication number CN207238338U discloses a spraying device for anti-corrosion materials on the inner wall of the chimney, but this device is only suitable for anti-corrosion spraying of chimneys with constant inner diameters. Diameter chimneys generally have a larger inner diameter at the lower part, and gradually become smaller in the upward direction. The inner diameter difference between the upper and lower ends of a large chimney can reach ten meters. Using the above patent to spray a variable diameter chimney will cause the distance between the nozzle and the inner wall of the chimney to change, resulting in uneven spraying and waste of materials. , If the above-mentioned devices with different specifications are used, they need to be replaced many times, which is time-consuming and labor-intensive and labor-intensive.

Utility model content

The purpose of the utility model is to provide a spraying device for the anti-corrosion material of the chimney of the power plant, which is suitable for spraying the anti-corrosion material on the inclined inner wall of the chimney, and the spraying is uniform and the effect is good.

In order to achieve the above purpose, the utility model provides the following technical solutions: a spraying device for anti-corrosion materials of a chimney of a power plant, comprising a support frame arranged at the top of the chimney, a rotating shaft is vertically arranged on the upper side of the middle part of the support frame, and a driven gear is arranged on the outer side of the middle part of the rotating shaft , One side of the driven gear meshes with the driving gear, the driving gear is connected with the first motor, the upper end of the rotating shaft is horizontally provided with a mounting plate, the two ends of the mounting plate are symmetrically arranged with a reel, and the reel is connected with a second motor that drives the reel to rotate. A steel wire rope is wound on the outside of the cylinder, and the lower end of the steel wire rope extends into the chimney and hangs the storage box. Vertical support rods are symmetrically arranged on the left and right sides of the storage box, and horizontally arranged telescopic guide rods and The first spring, the upper end of the support rod is provided with a spray head, the spray head is connected with a material guide hose, and the material guide hose is connected with the material storage box, an elastic buffer device is provided on the outer side of the middle part of the support rod, and a universal wheel is provided at the end of the elastic buffer device, The universal wheel rolls along the inner wall of the chimney.

Preferably, the upper side of the middle part of the support frame is provided with a shaft seat for supporting the rotation of the rotating shaft.

Preferably, the first motor is arranged on the upper side of the support frame, the number of the second motor is two, and a reducer is connected between the second motor and the reel.

Preferably, the elastic buffer device comprises a guide tube fixedly connected with the support rod, a guide post is arranged in the guide tube and is slidably connected with the guide tube, a second spring is connected between the guide post and the inner wall of the guide tube, and the end of the guide post is connected to the universal wheel connection.

Preferably, the number of the support rod and the elastic buffer device is two.

Preferably, the center line of the guide column is perpendicular to the inner wall surface of the chimney.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The utility model adopts a support rod capable of directional expansion and contraction to carry the spray head, so that the horizontal position of the spray head can be adjusted, so that the distance between the spray head and the inner wall of the chimney is relatively stable, thereby ensuring the spraying distance and spraying range, ensuring the spraying quality, and adapting to the change of the inner diameter of the chimney. The vertical effective distance of anti-corrosion spraying is longer;

The utility model can effectively protect the whole device from being damaged by impact through the support rod that can be extended and contracted, the elastic buffer device, and the double elastic device. , reduce the shaking of the storage box, more secure and stable.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

In the picture: 1. Support frame, 2. Shaft seat, 3. Rotating shaft, 4. Slave gear, 5. Driving gear, 6. First motor, 7. Mounting plate, 8. Reel, 9. Second motor, 10, steel wire rope, 11, storage box, 12, support rod, 13, telescopic guide rod, 14, first spring, 15, nozzle, 16, material guide hose, 17, elastic buffer device, 18, universal wheel, 19. Chimney, 171, Guide tube, 172, Guide post, 173, Second spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Referring to FIG. 1 , the present embodiment provides a spraying device for anti-corrosion materials for a chimney of a power plant, including a support frame 1 arranged at the top of the chimney 19 , a rotating shaft 3 is vertically arranged on the upper side of the middle part of the support frame 1 , and a driven shaft 3 is arranged on the outer side of the middle part of the rotating shaft 3 Gear 4, one side of the driven gear 4 meshes with the driving gear 5, the driving gear 5 is connected with the first motor 6, the upper end of the rotating shaft 3 is horizontally provided with a mounting plate 7, the two ends of the mounting plate 7 are symmetrically provided with a reel 8, and the reel 8 is connected There is a second motor 9 that drives the reel 8 to rotate. A wire rope 10 is wound on the outside of the reel 8. The lower end of the wire rope 10 extends into the chimney 19 and hangs the storage box 11. The left and right sides of the storage box 11 are symmetrically provided with vertical supports The rod 12, the support rod 12 and the storage box 11 are connected with a horizontally arranged telescopic guide rod 13 and a first spring 14, the upper end of the support rod 12 is provided with a spray head 15, and the spray head 15 is connected to the material guide hose 16, the material guide hose 16 is connected to the storage box 11 , an elastic buffer device 17 is provided on the outer side of the middle of the support rod 12 , and a universal wheel 18 is provided at the end of the elastic buffer device 1 , and the universal wheel 18 rolls along the inner wall of the chimney 19 .

In order to realize the rotation of the rotating shaft 3 and the mounting plate 7 , thereby realizing the rotation of the storage box 11 and the spray head 15 , in this embodiment, a shaft seat 2 for supporting the rotating shaft 3 is provided on the upper side of the middle part of the support frame 1 . The first motor 6 drives the driven gear 4 to reciprocate 180 degrees through the driving gear 5 .

In order to realize the rotation of the reel 8, thereby realizing the retraction of the wire rope 10 and the lifting of the storage box 11, in this embodiment, the first motor 6 is arranged on the upper side of the support frame 1, and the number of the second motor 9 is two A speed reducer is connected between the second motor 9 and the reel 8 .

In order to reduce the force of the universal wheel 18 on the inner wall of the chimney 19 and avoid collision, in this embodiment, the elastic buffer device 17 includes a guide tube 171 that is fixedly connected to the support rod 12, and the guide tube 171 is provided with a guide tube 171 is a guide post 172 that is slidably connected, a second spring 173 is connected between the guide post 172 and the inner wall of the guide tube 171 , and the end of the guide post 172 is connected to the universal wheel 18 .

In order to maintain the stability of the device, in this embodiment, the number of the support rods 12 and the elastic buffer devices 17 is two.

In order to ensure the stable rolling of the universal wheel 18 , in this embodiment, the center line of the guide column 172 is perpendicular to the inner wall surface of the chimney 19 .

The working principle of the utility model: the first motor 6 drives the transmission mechanism of the driving gear 5 and the driven gear 4 to rotate the rotating shaft 3 and the mounting plate 7 to realize the 180-degree reciprocating rotation of the storage box 11 and the two nozzles 15, The two spray heads 15 spray evenly around the inner wall of the chimney 19, and the universal wheel 18 rolls horizontally along the inner wall of the chimney 19 to reduce the shaking of the device; the second motor 9 drives the reel 8 to rotate through the reducer, and the two reels 8 rotate synchronously, so that The storage box 11 is lifted up and down, and the storage box 11 is gradually lowered during the spraying process; during the descending process, as the inner diameter of the chimney 19 becomes larger, the first spring 14 is released, pushing the support rod 12 along the telescopic guide rod 13 away from the storage box 11, and make the elastic buffer device 17 and the universal wheel 18 attached to the inner wall of the chimney 19, thereby ensuring a constant distance between the nozzle 15 and the inner wall of the chimney 19, thereby ensuring an effective spraying range of the nozzle 15, so that the spraying is uniform and the quality is guaranteed; elastic buffering The device 17 effectively protects the universal wheel 18 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a power plant's chimney anticorrosive material's spraying device, including setting up in the support frame on chimney top, the vertical pivot that is provided with of support frame middle part upside, the pivot middle part outside sets up driven gear, driven gear one side meshing driving gear, driving gear connection has first motor, pivot upper end level is provided with the mounting panel, mounting panel both ends symmetry is provided with the reel, the reel is connected with the rotatory second motor of drive reel, the winding of reel outside has wire rope, the wire rope lower extreme extends to in the chimney and hangs storage case, its characterized in that: the storage case left and right sides symmetry is provided with vertical bracing piece, is connected with flexible guide bar and the first spring that the level set up between bracing piece and the storage case, and the upper end of the support bar is provided with the shower nozzle, and the guide hose is connected to the shower nozzle, the guide hose with the storage case is connected, and the bracing piece middle part outside is provided with elastic buffer, and the elastic buffer end is provided with the universal wheel, and the universal wheel rolls along the chimney inner wall.

2. The spraying device of the power plant chimney anticorrosion material as set forth in claim 1, wherein: and a bearing seat for supporting the rotation shaft to rotate is arranged at the upper side of the middle part of the support frame.

3. The spraying device of the power plant chimney anticorrosion material as set forth in claim 1, wherein: the first motors are arranged on the upper side of the support frame, the number of the second motors is two, and a speed reducer is connected between the second motors and the winding drum.

4. The spraying device of the power plant chimney anticorrosion material as set forth in claim 1, wherein: the elastic buffer device comprises a guide pipe fixedly connected with the support rod, a guide pillar in sliding connection with the guide pipe is arranged in the guide pipe, a second spring is connected between the guide pillar and the inner wall of the guide pipe, and the tail end of the guide pillar is connected with the universal wheel.

5. The spraying device of the power plant chimney anticorrosion material as set forth in claim 1 or 4, wherein: the number of the supporting rods and the number of the elastic buffer devices are two.

6. The spraying device of the power plant chimney anticorrosion material as set forth in claim 4, wherein: the central line of the guide post is vertical to the inner wall surface of the chimney.

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