CN207864871U - A kind of pulverized-coal fired boiler primary air piping - Google Patents
A kind of pulverized-coal fired boiler primary air piping Download PDFInfo
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- CN207864871U CN207864871U CN201820020923.7U CN201820020923U CN207864871U CN 207864871 U CN207864871 U CN 207864871U CN 201820020923 U CN201820020923 U CN 201820020923U CN 207864871 U CN207864871 U CN 207864871U
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- China
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- air hose
- spring leaf
- type spring
- pulverized
- coal fired
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Abstract
The utility model provides a kind of pulverized-coal fired boiler primary air piping, the air hose includes interconnected the first air hose and the second air hose of nozzle, it is provided with the first c-type spring leaf in first air hose, multiple first ceramic rings are provided between the nozzle of first air hose and the first c-type spring leaf；It is provided with the second c-type spring leaf in second air hose, multiple second ceramic rings are provided between the nozzle of second air hose and the second c-type spring leaf.A kind of air hose for pulverized-coal fired boiler of the utility model can thoroughly solve the wear problem of a wind pipe of pulverized-coal fired boiler, extend the service life of primary air piping, reduce the shutdown maintenance of boiler, ensure the continuous operation of boiler.It is compared with existing Anti-wear Technology, saves welding, the processes such as laying save construction cost.
Description
Technical field
The utility model is related to a kind of pulverized-coal fired boiler primary air pipings.
Background technology
In the prior art, a wind pipe of pulverized-coal fired boiler is used for the mixture of pulverized coal conveying and air, due to coal dust
Concentration is big, especially in elbow, due to the effect of centrifugal force, serious wear, it is necessary to which boiler could maintained just by replacing pipeline
Piping cost height is not only replaced in often operation, also brings threat, economic loss serious to the long-term safety operation of boiler.It is existing
Anti-wear Technology is reduced First air band ash, and surface hard spray coating alloy lays the methods of wear-resistant daub or surface weldering hard material.
The prior art such as First air band ash, surface hard spray coating alloy, lay the methods of wear-resistant daub or surface weldering hard material, apply
Work is difficult, of high cost, cannot thoroughly solve wear problem, service life is limited.
Utility model content
The technical problem to be solved by the present invention is to provide one kind need not site operation can come into operation, and thoroughly solve
The certainly air hose for pulverized-coal fired boiler of wear problem.
In order to solve the above-mentioned technical problem, the utility model provides a kind of pulverized-coal fired boiler primary air piping, the air hose
Including the first air hose and the second air hose that nozzle is interconnected, it is provided with the first c-type spring leaf in first air hose, it is described
The first air hose nozzle and the first c-type spring leaf between be provided with multiple first ceramic rings；Second air hose
It is inside provided with the second c-type spring leaf, is provided between the nozzle of second air hose and the second c-type spring leaf multiple
Second ceramic ring.
Preferably, the nozzle of first air hose and the second air hose is mutually fixedly connected using flange.
Preferably, the air hose is bend pipe, and the nozzle of first air hose and the second air hose is mutually interconnected in bending place
It is logical.
Preferably, the first c-type spring leaf opens automatically in first air hose, by multiple described first
Ceramic ring is locked between the first c-type spring leaf and the nozzle of the first air hose.
Preferably, the second c-type spring leaf opens automatically in second air hose, by multiple described second
Ceramic ring is locked between the second c-type spring leaf and the nozzle of the second air hose.
Preferably, first ceramic ring is the matched annular shape of inner wall shape with first air hose.
Preferably, second ceramic ring is the matched annular shape of inner wall shape with second air hose.
Preferably, the first c-type spring leaf and the second c-type spring leaf are made of metal material or elastic material, institute
The the first c-type spring leaf and the second c-type spring leaf stated are a tool annular jaggy.
Preferably, the angle of the notch is 30 degree.
A kind of air hose for pulverized-coal fired boiler of the utility model can thoroughly solve a wind pipe of pulverized-coal fired boiler
Wear problem extends the service life of primary air piping, reduces the shutdown maintenance of boiler, ensures the continuous operation of boiler.With it is existing
Anti-wear Technology is compared, and welding is saved, and the processes such as laying save construction cost.
Description of the drawings
Fig. 1 is the cross-sectional view of air hose described in the utility model；
Fig. 2 is the structural schematic diagram of c-type spring leaf described in the utility model；
Fig. 3 is the structural schematic diagram of ceramic ring described in the utility model,
Wherein, the 11, first air hose；12, the second air hose；21, the first ceramic ring；22, the second ceramic ring；31, the first c-type bullet
Reed；32, the second c-type spring leaf；4, flange.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown, be the primary air piping of the utility model, including the first air hose 11 and the second wind that nozzle is interconnected
Pipe 12, is provided with the first c-type spring leaf 31 in first air hose 11, the nozzle of first air hose 11 and described the
Multiple first ceramic rings 21 are provided between one c-type spring leaf 31；It is provided with the second c-type spring leaf in second air hose 12
32, it is provided with multiple second ceramic rings 22 between the nozzle of second air hose 12 and the second c-type spring leaf 32.Institute
The the first c-type spring leaf 31 stated opens automatically in first air hose 11, and multiple first ceramic rings 21 are locked
Between the first c-type spring leaf 31 and the nozzle of the first air hose 11.The second c-type spring leaf 32 is described
It is opened automatically in two air hoses 12, multiple second ceramic rings 22 is locked to the second c-type spring leaf 32 and second
Between the nozzle of air hose 12.The first c-type spring leaf 31 and the second c-type spring leaf 32 is metal material or elastic material system
At the first c-type spring leaf 31 and the second c-type spring leaf 32 are a tool annular jaggy.Preferably, the notch
Angle be 30 degree.
First air hose 11 is fixedly connected with the nozzle of the second air hose 12 using 4 phase of flange.The air hose is curved
The nozzle of pipe, first air hose 11 and the second air hose 12 is interconnected in bending place.First ceramic ring 21 be with
The matched annular shape of inner wall shape of first air hose 11.Second ceramic ring 22 be and second air hose
The 12 matched annular shape of inner wall shape.First ceramic ring 21 and the second ceramic ring 22 is made of anti-wear material.
A kind of anti-wearing method of pulverized-coal fired boiler primary air piping of the utility model, includes the following steps, (1) is by the first C-shaped
Spring leaf is pushed into the first air hose 11, then multiple first ceramic rings 21 is filled in the first air hose 11；(2) by the second C-spring
Piece is pushed into the second air hose 12, then multiple second ceramic rings 22 is filled in the first air hose 11；(3) by the first air hose 11 and second
The nozzle of air hose 12 is connected using flange 4.
A kind of air hose for pulverized-coal fired boiler of the utility model can thoroughly solve a wind pipe of pulverized-coal fired boiler
Wear problem extends the service life of primary air piping, reduces the shutdown maintenance of boiler, ensures the continuous operation of boiler.With it is existing
Anti-wear Technology is compared, and welding is saved, and the processes such as laying save construction cost.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model
Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change
It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.
Claims (9)
1. a kind of pulverized-coal fired boiler primary air piping, which is characterized in that the air hose include the first interconnected air hose of nozzle and
Second air hose is provided with the first c-type spring leaf, the nozzle of first air hose and described first in first air hose
Multiple first ceramic rings are provided between c-type spring leaf；The second c-type spring leaf is provided in second air hose, it is described
It is provided with multiple second ceramic rings between the nozzle of second air hose and the second c-type spring leaf.
2. a kind of pulverized-coal fired boiler primary air piping as described in claim 1, which is characterized in that first air hose and the second wind
The nozzle of pipe is mutually fixedly connected using flange.
3. a kind of pulverized-coal fired boiler primary air piping as described in claim 1, which is characterized in that the air hose is bend pipe, described
The first air hose and the second air hose nozzle bending place be interconnected.
4. a kind of pulverized-coal fired boiler primary air piping as described in claim 1, which is characterized in that the first c-type spring leaf exists
It is opened automatically in first air hose, multiple first ceramic rings is locked at the first c-type spring leaf and the
Between the nozzle of one air hose.
5. a kind of pulverized-coal fired boiler primary air piping as claimed in claim 4, which is characterized in that the second c-type spring leaf exists
It is opened automatically in second air hose, multiple second ceramic rings is locked at the second c-type spring leaf and the
Between the nozzle of two air hoses.
6. a kind of pulverized-coal fired boiler primary air piping as described in claim 1, which is characterized in that first ceramic ring for institute
The matched annular shape of inner wall shape for the first air hose stated.
7. a kind of pulverized-coal fired boiler primary air piping as claimed in claim 6, which is characterized in that second ceramic ring for institute
The matched annular shape of inner wall shape for the second air hose stated.
8. a kind of pulverized-coal fired boiler primary air piping as described in claim 1, which is characterized in that the first c-type spring leaf and
Second c-type spring leaf is made of metal material or elastic material, and the first c-type spring leaf and the second c-type spring leaf are one
Has annular jaggy.
9. a kind of pulverized-coal fired boiler primary air piping as claimed in claim 8, which is characterized in that the angle of the notch is 30
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820020923.7U CN207864871U (en) | 2018-01-05 | 2018-01-05 | A kind of pulverized-coal fired boiler primary air piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820020923.7U CN207864871U (en) | 2018-01-05 | 2018-01-05 | A kind of pulverized-coal fired boiler primary air piping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864871U true CN207864871U (en) | 2018-09-14 |
Family
ID=63464868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820020923.7U Active CN207864871U (en) | 2018-01-05 | 2018-01-05 | A kind of pulverized-coal fired boiler primary air piping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019578A (en) * | 2018-01-05 | 2018-05-11 | 苏州大学 | A kind of pulverized-coal fired boiler primary air piping and anti-wearing method |
| CN113154169A (en) * | 2021-04-20 | 2021-07-23 | 合肥精创科技有限公司 | Composite wear-resistant ceramic high-pressure bent pipe |
-
2018
- 2018-01-05 CN CN201820020923.7U patent/CN207864871U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019578A (en) * | 2018-01-05 | 2018-05-11 | 苏州大学 | A kind of pulverized-coal fired boiler primary air piping and anti-wearing method |
| CN113154169A (en) * | 2021-04-20 | 2021-07-23 | 合肥精创科技有限公司 | Composite wear-resistant ceramic high-pressure bent pipe |
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