CN207035096U - A kind of antiwear device for boiler inner wall - Google Patents
A kind of antiwear device for boiler inner wall Download PDFInfo
- Publication number
- CN207035096U CN207035096U CN201720935795.4U CN201720935795U CN207035096U CN 207035096 U CN207035096 U CN 207035096U CN 201720935795 U CN201720935795 U CN 201720935795U CN 207035096 U CN207035096 U CN 207035096U
- Authority
- CN
- China
- Prior art keywords
- burner hearth
- wall
- installing plate
- transverse slat
- water conservancy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of antiwear device for boiler inner wall, including burner hearth, the inboard wall of burner hearth is circumferentially with abrasionproof water conservancy diversion beam along it, the abrasionproof water conservancy diversion beam is axially arranged with several along burner hearth, the abrasionproof water conservancy diversion beam includes transverse slat that is horizontally disposed and being fixed on inboard wall of burner hearth, is fixed on riser of the transverse slat away from inboard wall of burner hearth one end upper surface and is fixed on installing plate of the transverse slat close to inboard wall of burner hearth one end, energy dissipating hole is offered on the riser, the installing plate is circumferentially disposed along burner hearth and is removably connected to burner hearth.Its kinetic energy is consumed after sticking wall flow containing flue dust runs into abrasionproof water conservancy diversion beam during being flowed down along inboard wall of burner hearth, and flow velocity reduces, and reduces its abrasion to inboard wall of burner hearth.Partial particulate changes flow direction under abrasionproof water conservancy diversion beam action or stayed on transverse slat simultaneously, causes soot dust granule in sticking wall flow to reduce, further reduces abrasion.
Description
Technical field
It the utility model is related to CFBB, and in particular to a kind of antiwear device for boiler inner wall.
Background technology
It is a current widely used cleaning coal utilization technology using CFBB, because it has burning
Stabilization, clean environment firendly, efficiently it is low dirty the features such as and by the favor of power-generating enterprise.But by CFBB
Inherent characteristicses and the limitation for using coal, CFBB in the prevalence of heating surface wear it is serious the problem of.
As shown in figure 1, existing all the time in the burner hearth 1 of CFBB, center granule density is low and totality is transported upwards
There is strong interior circulation and side in dynamic, side wall area granule density height and the core-annulus flow structure totally moved downward, i.e. stove
Wall stream, this phenomenon cause agglomerate grain, sedimentation and trigger strong heat between gas-particle two-phase and mass exchange, although
It can strengthen furnace heat transfer and mass transport process, but the heating surface in burner hearth 1 can be caused to wear.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of abrasionproof for boiler inner wall
Damage device, the abrasion of inboard wall of burner hearth generation is reduced, extend the service life of boiler.
To achieve the above object, the utility model provides following technical scheme：
A kind of antiwear device for boiler inner wall, including burner hearth, the inboard wall of burner hearth are circumferentially with abrasionproof along it and led
Beam is flowed, the abrasionproof water conservancy diversion beam is axially arranged with several along burner hearth, and the abrasionproof water conservancy diversion beam includes horizontally disposed and solid
It is connected in the transverse slat of inboard wall of burner hearth, is fixed on riser of the transverse slat away from inboard wall of burner hearth one end upper surface and is fixed on transverse slat close to burner hearth
The installing plate of inwall one end, energy dissipating hole is offered on the riser, the installing plate is circumferentially disposed along burner hearth and is detachably connected
In burner hearth.
By using above-mentioned technical proposal, the sticking wall flow containing flue dust runs into abrasionproof during being flowed down along inboard wall of burner hearth
Its kinetic energy is consumed after water conservancy diversion beam, and flow velocity reduces, and reduces its abrasion to inboard wall of burner hearth.Partial particulate is in abrasionproof water conservancy diversion simultaneously
Flow direction is changed under beam action or is stayed on transverse slat, causes soot dust granule in sticking wall flow to reduce, further reduces abrasion.
Some air-flow flows through abrasionproof water conservancy diversion beam by energy dissipating hole so that gas compressed after further expansion, reduce air-flow
Internal potential energy, i.e. flow velocity reduce, and reduce its abrasion to inboard wall of burner hearth.
After a long time use, abrasionproof water conservancy diversion beam can accumulate more dust, and installing plate is removably connected to burner hearth and facilitated
Maintenance and repair is carried out to abrasionproof water conservancy diversion beam, improves and safeguards cleaning efficiency.
It is of the present utility model to be further arranged to：Fixing bolt, the fixing bolt are rotatably connected on the installing plate
It is in axial sliding connection along it in installing plate, the installing plate is threadedly connected to burner hearth.
By using above-mentioned technical proposal, so as to be not required to carry fixing bolt when mounted, directly need to only twist on installing plate
Fixing bolt, it is connected with burner hearth, improve the installation effectiveness of installing plate.Fixing bolt falls during prevented also from dismounting
Fall in burner hearth, the situation for influenceing subsequent combustion occurs.
It is of the present utility model to be further arranged to：The installing plate is provided with fixed cover, the fixed cover with respect to riser side
Inwall offers annular groove along its circumference, and the fixing bolt outer wall is embedded at along its circumferential fixed restraining position ring block, the spacing ring
Annular groove is interior and is rotationally connected with annular groove.
By using above-mentioned technical proposal, annular groove has a spacing power to spacing ring, can prevent fixing bolt from leaving installation
Plate.
It is of the present utility model to be further arranged to：The fixing bolt is installed with force post towards riser one end, described to apply
Power post offers hex slot back to fixing bolt one end, and the force post is set close to fixing bolt one end in necking, described solid
Surely set one end offers the counter sink for being embedded force post, the force post be embedded in counter sink and in counter sink be in interference
Coordinate.
By using above-mentioned technical proposal, fixing bolt can be exerted a force, make its turn by the way that instrument is embedded in hex slot
It is dynamic, facilitate the installation and removal of fixing bolt.And counter sink has a frictional force to force post, fixing bolt can be installed
Plate is more stable to be arranged in burner hearth.
It is of the present utility model to be further arranged to：Several are circumferentially with along inboard wall of burner hearth fix spiral shell on the installing plate
Bolt.
By using above-mentioned technical proposal, so that installing plate each point can be made installing plate more stable by fixed force
In burner hearth.
It is of the present utility model to be further arranged to：The junction of the transverse slat and riser is provided with guide pad, the guide pad
Provided with the arc surface that air-flow is steadily directed to riser from transverse slat.
By using above-mentioned technical proposal, more particles are made to change flow direction under abrasionproof water conservancy diversion beam action,
And do not know directly to leave abrasionproof water conservancy diversion beam from energy dissipating hole in the horizontal direction, soot dust granule in sticking wall flow is reduced, is further reduced
Abrasion.
It is of the present utility model to be further arranged to：The energy dissipating hole is set back to inboard wall of burner hearth one end in enlarging.
By using above-mentioned technical proposal, make to flow through energy dissipating hole interior air-flow, can greatly be expanded, subtract upon compression
Potential energy inside little airflow, reduces flow velocity, reduces the abrasion to inboard wall of burner hearth.
It is of the present utility model to be further arranged to：The inboard wall of burner hearth is coated with anti-abrasive coatings.
By using above-mentioned technical proposal, the probability that inboard wall of burner hearth is worn is reduced, extends the service life of burner hearth.
The utility model has advantages below：The abrasion to burner hearth can be reduced, extend the service life of burner hearth；Installing plate
Installing/dismounting is convenient.
Brief description of the drawings
Fig. 1 is the structural representation of prior art；
Fig. 2 is the structural representation of embodiment；
Fig. 3 is the partial schematic diagram of embodiment；
Fig. 4 is the enlarged drawing at A in Fig. 3.
Reference：1st, burner hearth；2nd, anti-abrasive coatings；3rd, abrasionproof water conservancy diversion beam；4th, installing plate；5th, transverse slat；6th, riser；7th, it is fixed
Set；8th, annular groove；9th, fixing bolt；10th, spacing ring；11st, exert a force post；12nd, hex slot；13rd, counter sink；14th, energy dissipating hole；15th, lead
To block；16th, arc surface.
Embodiment
The utility model is described further referring to the drawings.
As shown in Fig. 2 a kind of antiwear device for boiler inner wall, including burner hearth 1, burner hearth 1 is cuboid, burner hearth 1
Inner-wall spraying has anti-abrasive coatings 2.
As shown in Fig. 2 the inwall of burner hearth 1 is axially arranged with abrasionproof water conservancy diversion beam 3 along it, abrasionproof water conservancy diversion beam 3 is axially arranged with along burner hearth 1
Several.As shown in figure 3, abrasionproof water conservancy diversion beam 3 includes installing plate 4, transverse slat 5 and riser 6.
As shown in figure 3, transverse slat 5 is horizontally disposed.Installing plate 4 is fixed on transverse slat 5 close to the inwall one end of burner hearth 1, and
The plate of installing plate 4 is circumferentially disposed along burner hearth 1.Riser 6 is fixed on transverse slat 5 away from the inwall one end upper surface of burner hearth 1.Installing plate 4, riser
6 and transverse slat 5 be integrated casting.
As shown in figure 4, installing plate 4 is provided with fixed cover 7 with respect to the side of riser 6, if fixed cover 7 is circumferentially with along installing plate 4
Dry.The inwall of fixed cover 7 offers annular groove 8 along its circumference.Fixing bolt 9 is equipped with fixed cover 7, fixing bolt 9 is fed through
Installing plate 4 and it is threadedly connected to burner hearth 1.The outer wall of fixing bolt 9 is embedded at ring along its circumferential fixed restraining position ring block 10, spacing ring 10
Groove 8 is interior and is slidably connected to annular groove 8.Spacing ring 10 is rotationally connected with annular groove 8.
As shown in figure 4, fixing bolt 9 is installed with force post 11 towards the one end of riser 6, force post 11 is back to fixing bolt 9
One end offers hex slot 12.The post 11 that exerts a force is set close to the one end of fixing bolt 9 in necking.The one end of fixed cover 7 offers countersunk head
Hole 13.When fixing bolt 9 is tightened, force post 11 is embedded in counter sink 13 and in counter sink 13 in interference fit.
As shown in figure 3, offering energy dissipating hole 14 on riser 6, energy dissipating hole 14 is set back to the inwall one end of burner hearth 1 in enlarging.
The junction of transverse slat 5 and riser 6 is provided with guide pad 15, and guide pad 15 is provided with the circle that air-flow is steadily directed to riser 6 from transverse slat 5
Cambered surface 16.
The abrasionproof principle of the antiwear device is as follows：
1st, its kinetic energy is disappeared after the air-flow containing flue dust runs into abrasionproof water conservancy diversion beam 3 during being flowed down along the inwall of burner hearth 1
Consumption, flow velocity reduce, and reduce its abrasion to the inwall of burner hearth 1；
2 at the same partial particulate change flow direction in the presence of abrasionproof water conservancy diversion beam 3 or stay on transverse slat 5, cause to paste
Soot dust granule is reduced in wall stream, further reduces abrasion；
3rd, the air-flow of another part flows through abrasionproof water conservancy diversion beam 3 by energy dissipating hole 14 so that gas compressed after further expansion,
The potential energy inside air-flow is reduced, reduces flow velocity, reduces its abrasion to the inwall of burner hearth 1.
When that need to be cleaned to abrasionproof water conservancy diversion beam 3, fixing bolt 9 only need to be backed out, then dismantles lower installation board 4.
Installing plate 4 is set to be fixedly installed in burner hearth 1 by fixing bolt 9 again after cleaning.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of antiwear device for boiler inner wall, including burner hearth（1）, it is characterized in that：The burner hearth（1）Inwall is along its week
To provided with abrasionproof water conservancy diversion beam（3）, the abrasionproof water conservancy diversion beam（3）Along burner hearth（1）It is axially arranged with several, the abrasionproof water conservancy diversion beam
（3）Including horizontally disposed and be fixed on burner hearth（1）The transverse slat of inwall（5）, be fixed on transverse slat（5）Away from burner hearth（1）It is interior
The riser of wall one end upper surface（6）Be fixed on transverse slat（5）Close to burner hearth（1）The installing plate of inwall one end（4）, the riser
（6）On offer energy dissipating hole（14）, the installing plate（4）Along burner hearth（1）It is circumferentially disposed and be removably connected to burner hearth（1）.
2. a kind of antiwear device for boiler inner wall according to claim 1, it is characterized in that：The installing plate（4）
On be rotatably connected to fixing bolt（9）, the fixing bolt（9）It is in axial sliding connection along it in installing plate（4）, the installing plate
（4）It is threadedly connected to burner hearth（1）.
3. a kind of antiwear device for boiler inner wall according to claim 2, it is characterized in that：The installing plate（4）
With respect to riser（6）Side is provided with fixed cover（7）, the fixed cover（7）Inwall offers annular groove along its circumference（8）, the fixation
Bolt（9）Outer wall is along its circumferential fixed restraining position ring block（10）, the spacing ring（10）It is embedded at annular groove（8）It is interior and be rotationally connected with
Annular groove（8）.
4. a kind of antiwear device for boiler inner wall according to claim 3, it is characterized in that：The fixing bolt
（9）Towards riser（6）One end is installed with force post（11）, the force post（11）Back to fixing bolt（9）One end offers six
Chamfered groove（12）, the force post（11）Close to fixing bolt（9）One end is set in necking, the fixed cover（7）One end offers
For being embedded force post（11）Counter sink（13）, the force post（11）It is embedded at counter sink（13）It is interior and in counter sink（13）
In interference fit.
5. a kind of antiwear device for boiler inner wall according to claim 4, it is characterized in that：The installing plate（4）
On along burner hearth（1）Inwall is circumferentially with several fixing bolts（9）.
6. a kind of antiwear device for boiler inner wall according to claim 5, it is characterized in that：The transverse slat（5）With
Riser（6）Junction be provided with guide pad（15）, the guide pad（15）Provided with by air-flow from transverse slat（5）Steadily it is directed to riser
（6）Arc surface（16）.
7. a kind of antiwear device for boiler inner wall according to claim 6, it is characterized in that：The energy dissipating hole（14）
Back to burner hearth（1）Inwall one end is set in enlarging.
8. a kind of antiwear device for boiler inner wall according to claim 7, it is characterized in that：The burner hearth（1）It is interior
Wall is coated with anti-abrasive coatings（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720935795.4U CN207035096U (en) | 2017-07-29 | 2017-07-29 | A kind of antiwear device for boiler inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720935795.4U CN207035096U (en) | 2017-07-29 | 2017-07-29 | A kind of antiwear device for boiler inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035096U true CN207035096U (en) | 2018-02-23 |
Family
ID=61463067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720935795.4U Expired - Fee Related CN207035096U (en) | 2017-07-29 | 2017-07-29 | A kind of antiwear device for boiler inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207035096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678110A (en) * | 2020-06-16 | 2020-09-18 | 四川陆亨能源科技有限公司 | Efficient anti-abrasion compact waste heat boiler applied to industrial silicon furnace |
-
2017
- 2017-07-29 CN CN201720935795.4U patent/CN207035096U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678110A (en) * | 2020-06-16 | 2020-09-18 | 四川陆亨能源科技有限公司 | Efficient anti-abrasion compact waste heat boiler applied to industrial silicon furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |