CN209763056U

CN209763056U - Air pipe of boiler burner

Info

Publication number: CN209763056U
Application number: CN201920286169.6U
Authority: CN
Inventors: 张�杰
Original assignee: Tianjin Xinxiang Ruiheng Technology Development Co Ltd
Current assignee: Tianjin Xinxiang Ruiheng Technology Development Co Ltd
Priority date: 2019-03-07
Filing date: 2019-03-07
Publication date: 2019-12-10
Anticipated expiration: 2029-03-07

Abstract

The utility model discloses a boiler burner tuber pipe, including first connecting pipe and second connecting pipe, first connecting pipe and second connecting pipe relative one end difference fixedly connected with rather than first connecting plate and the second connecting plate that communicates each other, first connecting plate is connected through a plurality of coupling mechanisms with the second connecting plate, the lateral wall of first connecting pipe and second connecting pipe all is equipped with the heat preservation and falls the mechanism of making an uproar, the return bend department of first connecting pipe is equipped with the protection piece, coupling mechanism is including fixing the first connecting block on first connecting plate lateral wall, be equipped with the second connecting block corresponding with first connecting block on the second connecting plate, the lateral wall fixedly connected with threaded rod of the relative second connecting block of first connecting block. The utility model discloses rational in infrastructure, the connection of first connecting pipe and second connecting pipe of not only being convenient for also can protect the return bend department of first connecting pipe, increases its life, improves work efficiency.

Description

Air pipe of boiler burner

Technical Field

The utility model relates to a boiler burner technical field especially relates to a boiler burner tuber pipe.

Background

The boiler burner has: burners for primary air, secondary air, tertiary air, and the like; the primary air is used for conveying and heating coal dust, so that the coal dust is conveyed into a hearth through a primary air pipe and can supply oxygen required by ignition and combustion of volatile matters in the coal dust; the secondary air is hot air which is sent into the hearth through a single channel of the burner and is gradually mixed with the primary air after entering the hearth, and the secondary air provides oxygen for the combustion of carbon and can strengthen the disturbance of air flow; the tertiary air is dry air discharged by a pulverizing system, is commonly called as exhaust gas, is used as a medium for conveying pulverized coal, is called primary air when the pulverized coal is conveyed, is called tertiary air only when the pulverized coal is conveyed into a hearth through a single nozzle, contains a small amount of pulverized coal, has high air speed, has strong mixing effect on the combustion process of the pulverized coal, supplements oxygen required by a burnout stage, and has the influence of reducing the temperature of the hearth due to low air temperature and more water-containing steam.

At present, two sections of primary air pipes are connected through flanges and bolts, and threaded holes in the two flanges are ensured to be opposite to each other when the bolts are installed, so that the bolts are convenient to install; however, in the actual operation process, the two flanges need not to be twisted so as to be convenient for installing the bolts, so the installation mode is complicated; secondly, the primary air pipe is fast when transporting air and buggy, and the buggy can carry out impact friction to the return bend department of primary air pipe, so for a long time, the buggy can be punctured primary air pipe, leads to the buggy to leak, so need repair the change to it, reduces work efficiency, therefore we have designed a boiler burner tuber pipe and have solved above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the boiler burner tuber pipe that proposes, its connection of first connecting pipe and second connecting pipe of not only being convenient for also can protect the return bend department of first connecting pipe, increases its life, improves work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a boiler burner tuber pipe, includes first connecting pipe and second connecting pipe, first connecting pipe and second connecting pipe one end difference fixedly connected with relative rather than first connecting plate and the second connecting plate of mutual intercommunication of second connecting pipe, first connecting plate is connected through a plurality of coupling mechanisms with the second connecting plate, the lateral wall of first connecting pipe and second connecting pipe all is equipped with the heat preservation and falls the mechanism of making an uproar, the return bend department of first connecting pipe is equipped with the protection piece.

Preferably, coupling mechanism is including fixing the first connecting block on first connecting plate lateral wall, be equipped with on the second connecting plate with the corresponding second connecting block of first connecting block, the lateral wall fixedly connected with threaded rod of the relative second connecting block of first connecting block, the lateral wall of second connecting block is run through and is equipped with the intercommunicating pore to the matching with the threaded rod, the threaded rod run through the intercommunicating pore and rather than lateral wall sliding connection, the cover is equipped with the nut rather than threaded connection on the threaded rod.

Preferably, the heat preservation and noise reduction mechanism comprises a heat preservation and noise reduction plate wound on the outer side wall of the first connecting pipe and the outer side wall of the second connecting pipe, and the heat preservation and noise reduction plate is connected with the first connecting pipe and the second connecting pipe through a plurality of clamps.

Preferably, the heat-insulating and noise-reducing plate comprises an inner polyurethane sound-absorbing sponge and an outer composite aluminum foam.

Preferably, the protection block is made of stainless steel materials, and the protection block and the first connecting pipe elbow are integrally formed through casting.

Preferably, a sealing ring is arranged between the first connecting plate and the second connecting plate.

Compared with the prior art, the utility model, its beneficial effect does:

1. The utility model discloses, through being connected threaded rod and first connecting pipe, so, can extend to the connecting pipe in the intercommunication hole, can realize the connection of first connecting pipe and second connecting pipe, it is comparatively convenient to connect, and the higher delicious staff of efficiency facilitates.

2. The utility model discloses, through the return bend department at first connecting pipe set up rather than integrated into one piece's protection piece, can effectively increase the wearability and the impact resistance of first connecting pipe return bend department, its life of effectual increase.

To sum up, the utility model discloses rational in infrastructure, the connection of first connecting pipe and second connecting pipe of not only being convenient for also can protect the return bend department of first connecting pipe, increases its life, improves work efficiency.

Drawings

FIG. 1 is a schematic structural view of a burner air duct of a boiler according to the present invention;

FIG. 2 is a schematic view of a partial structure in an air duct of a burner of a boiler according to the present invention;

FIG. 3 is a cross-sectional view of a heat-insulating and noise-reducing plate in an air duct of a burner of a boiler according to the present invention;

fig. 4 is a sectional view of a mechanism of a first connecting pipe part in an air pipe of a burner of a boiler according to the present invention.

In the figure: 1 first connecting pipe, 2 second connecting pipes, 3 first connecting plates, 4 second connecting plates, 5 heat preservation and noise reduction plates, 6 hoops, 7 first connecting blocks, 8 second connecting blocks, 9 threaded rods, 10 screw caps, 11 protection blocks, 12 polyurethane noise reduction sponges, 13 composite aluminum foam and 14 communicating holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a boiler burner air duct comprises a first connecting pipe 1 and a second connecting pipe 2, wherein one ends of the first connecting pipe 1 and the second connecting pipe 2, which are opposite to each other, are respectively and fixedly connected with a first connecting plate 3 and a second connecting plate 4, which are communicated with each other, and a sealing ring is arranged between the first connecting plate 3 and the second connecting plate 4, so that the sealing property of connection between the first connecting plate 3 and the second connecting plate is improved.

First connecting plate 3 is connected through a plurality of coupling mechanism with second connecting plate 4, it is concrete, coupling mechanism is including fixing first connecting block 7 on 3 lateral walls of first connecting plate, be equipped with on second connecting plate 4 with the corresponding second connecting block 8 of first connecting block 7, the relative lateral wall fixedly connected with threaded rod 9 of second connecting block 8 of first connecting block 7, the lateral wall of second connecting block 8 runs through be equipped with the threaded rod to the intercommunicating pore 14 that matches, threaded rod 9 runs through intercommunicating pore 14 and rather than lateral wall sliding connection, the cover is equipped with the nut 10 rather than threaded connection on the threaded rod 9, guarantee stable connection between the two.

The lateral wall of first connecting pipe 1 and second connecting pipe 2 all is equipped with the heat preservation and falls the mechanism of making an uproar, the heat preservation falls the mechanism of making an uproar and falls board 5 including the heat preservation of winding the lateral wall at first connecting pipe 1 and second connecting pipe 2, it falls board 5 and is connected with first connecting pipe 1 and second connecting pipe 2 through a plurality of clamps 6 to fall to keep warm, it falls board 5 including inlayer polyurethane amortization sponge 12 and outer compound aluminium bubble cotton 13 to fall to keep warm, can be to first connecting pipe 1 and second connecting pipe 2 when air and buggy are carried, play heat retaining effect, also can absorb the noise that buggy and first connecting pipe 1 and second connecting pipe 2 produced.

The return bend department of first connecting pipe 1 is equipped with protection piece 11, and protection piece 11 is stainless steel material, and protection piece 11 through casting and 1 return bend department integrated into one piece of first connecting pipe, can thicken the return bend department of first connecting pipe 1, increases its wearability and impact resistance, increases its life.

The utility model discloses in, when needs are connected first connecting pipe 1 and second connecting pipe 2, can extend to intercommunicating pore 14 in threaded rod 9, paste tightly mutually until first connecting plate 3 and second connecting plate 4, then install nut 10 on threaded rod 9, so can realize the connection of first connecting pipe 1 and second connecting pipe 2, install comparatively in the aspect, swiftly.

because the return bend department of first connecting pipe 1 is equipped with protection piece 11, protection piece 11 and first connecting pipe 1 integrated into one piece, can increase the wearability and the impact resistance of first connecting pipe 1 return bend department through protection piece 11, increase its life.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a boiler combustor tuber pipe, includes first connecting pipe (1) and second connecting pipe (2), its characterized in that, first connecting pipe (1) and second connecting pipe (2) relative one end respectively fixedly connected with rather than first connecting plate (3) and second connecting plate (4) of intercommunication each other, first connecting plate (3) are connected through a plurality of coupling mechanisms with second connecting plate (4), the lateral wall of first connecting pipe (1) and second connecting pipe (2) all is equipped with the heat preservation and falls the mechanism of making an uproar, the return bend department of first connecting pipe (1) is equipped with protection piece (11).

2. the air pipe of the boiler burner according to claim 1, wherein the connecting mechanism comprises a first connecting block (7) fixed on the side wall of the first connecting plate (3), a second connecting block (8) corresponding to the first connecting block (7) is arranged on the second connecting plate (4), a threaded rod (9) is fixedly connected to the side wall of the first connecting block (7) relative to the second connecting block (8), a communicating hole (14) matched with the threaded rod is arranged in the side wall of the second connecting block (8) in a penetrating manner, the threaded rod (9) penetrates through the communicating hole (14) and is in sliding connection with the side wall of the communicating hole, and a nut (10) in threaded connection with the threaded rod is sleeved on the threaded rod (9).

3. The air duct of the burner of the boiler according to claim 1, characterized in that the thermal insulation and noise reduction mechanism comprises a thermal insulation and noise reduction plate (5) wound around the outer side wall of the first connecting pipe (1) and the second connecting pipe (2), wherein the thermal insulation and noise reduction plate (5) is connected with the first connecting pipe (1) and the second connecting pipe (2) through a plurality of clamps (6).

4. The air duct of the boiler burner according to claim 3, characterized in that the thermal insulation and noise reduction plate (5) comprises an inner layer of polyurethane sound reduction sponge (12) and an outer layer of composite aluminum foam (13).

5. The burner air duct according to claim 3, characterized in that the protection block (11) is made of stainless steel material, and the protection block (11) is integrally formed with the elbow of the first connection pipe (1) by casting.

6. The burner ductwork of claim 2, characterized in that a sealing ring is provided between said first connection plate (3) and said second connection plate (4).