CN207035098U - A kind of shoe for boiler inner wall - Google Patents
A kind of shoe for boiler inner wall Download PDFInfo
- Publication number
- CN207035098U CN207035098U CN201720937386.8U CN201720937386U CN207035098U CN 207035098 U CN207035098 U CN 207035098U CN 201720937386 U CN201720937386 U CN 201720937386U CN 207035098 U CN207035098 U CN 207035098U
- Authority
- CN
- China
- Prior art keywords
- burner hearth
- hole
- water conservancy
- conservancy diversion
- wall
- 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.)
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Abstract
The utility model discloses a kind of shoe 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 and is fixed on riser of the transverse slat away from inboard wall of burner hearth one end upper surface, and energy dissipating hole is offered on the riser.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.Some air-flow flows through abrasionproof water conservancy diversion beam by energy dissipating hole so that gas compressed after further expansion, reduce the potential energy inside air-flow, i.e., flow velocity reduces, and reduces its abrasion to inboard wall of burner hearth.
Description
Technical field
It the utility model is related to CFBB, and in particular to a kind of shoe 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
Furnace heat transfer and mass transport process can be strengthened, 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
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 shoe for boiler inner wall, including burner hearth, the inboard wall of burner hearth are circumferentially with abrasionproof water conservancy diversion along it
Beam, the abrasionproof water conservancy diversion beam are axially arranged with several along burner hearth, and the abrasionproof water conservancy diversion beam includes horizontally disposed and connected
In inboard wall of burner hearth transverse slat and be fixed on riser of the transverse slat away from inboard wall of burner hearth one end upper surface, offer energy dissipating on the riser
Hole.
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.
It is of the present utility model to be further arranged to：Blowing pipe is equipped with the burner hearth, described blowing pipe one end is provided with gas
Pump, and the other end is arranged in burner hearth and towards energy dissipating hole.
By using above-mentioned technical proposal, in use for some time, there is part flue dust to being adhered in energy dissipating hole.Now
The flue dust in energy dissipating hole can be blown away by blowing pipe, reduce the probability of energy dissipating hole plug when steam generator system suspends and burnt.
It is of the present utility model to be further arranged to：The inboard wall of burner hearth offers through hole, and the blowing pipe is embedded at through hole
It is interior and in through hole in interference fit, the baffle plate for covering through hole is embedded with the through hole, the flapper is connected to stove
Thorax inwall.
By using above-mentioned technical proposal, when blowing pipe is not required to clean energy dissipating hole, baffle plate hides attached through hole, reduces dust
With the possibility of heat loss, the pollution to production environment is reduced.When that need to be cleaned, blowing pipe blows flapper,
Wind is blown on energy dissipating hole, remove dust.
It is of the present utility model to be further arranged to：Fixed in the baffle plate to be equipped with rotary shaft, the rotary shaft edge is horizontal
Direction is set, and the rotary shaft is located above baffle plate axis, and the rotary shaft is arranged in through-hole side wall and is rotationally connected with
Burner hearth.
By using above-mentioned technical proposal, so that baffle plate eccentric rotary is in through hole, i.e., when blowing pipe blows to baffle plate, gear
The power that plate both sides are subject to is different, and baffle plate can be made please easily to be blown open.And after the completion of deashing, be not required to manually reverse baffle plate, by
In the effect of center of gravity, baffle plate can transfer back to the position for blocking through hole automatically, reduce and throw away cost.
It is of the present utility model to be further arranged to：The baffle plate outer wall offers seal groove, is fixed in the seal groove embedding
Provided with sealing ring, the sealing ring is connected to through-hole wall.
By using above-mentioned technical proposal, the sealing between baffle plate and through hole is improved, reduce dust loss can
Energy property, reduces the pollution to production environment.
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；Can be convenient
Abrasionproof water conservancy diversion beam is cleaned, prevent energy dissipating hole plug.
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；
Fig. 5 is the local schematic cross-sectional view of embodiment.
Reference：1st, burner hearth；2nd, anti-abrasive coatings；3rd, abrasionproof water conservancy diversion beam；4th, transverse slat；5th, riser；6th, energy dissipating hole；7th, it is oriented to
Block；8th, arc surface；9th, through hole；10th, blowing pipe；11st, air pump；12nd, baffle plate；13rd, rotary shaft；14th, seal groove；15th, sealing ring.
Embodiment
The utility model is described further referring to the drawings.
As shown in Fig. 2 a kind of shoe for boiler inner wall, including burner hearth 1, burner hearth 1 is cuboid, in burner hearth 1
Wall is coated with 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 transverse slat 4 and riser 5, transverse slat 4 is horizontally disposed, and fixation is welded in
The inwall of burner hearth 1.Riser 5 is fixed on transverse slat 4 away from the inwall one end upper surface of burner hearth 1, and riser 5 and transverse slat 4 are integrated and be cast as
Type.
As shown in figure 3, offering energy dissipating hole 6 on riser 5, energy dissipating hole 6 is set back to the inwall one end of burner hearth 1 in enlarging.It is horizontal
The junction of plate 4 and riser 5 is provided with guide pad 7, and guide pad 7 is provided with the arc surface that air-flow is steadily directed to riser 5 from transverse slat 4
8。
As shown in figure 3, the inwall of burner hearth 1 offers through hole 9, blowing pipe 10, blowing pipe 10 and through hole 9 are embedded with through hole 9
In interference fit.Blowing pipe 10 is fed through through hole 9 and outside burner hearth 1 away from the one end of abrasionproof water conservancy diversion beam 3.The end of blowing pipe 10 is set
There is an air pump 11, and the other end is arranged in burner hearth 1 and towards energy dissipating hole 6.
As shown in Figure 4 and Figure 5, the baffle plate 12 for covering through hole 9 is embedded with through hole 9, fixes and is equipped with baffle plate 12
Rotary shaft 13, rotary shaft 13 are horizontally disposed.Rotary shaft 13 is located above the axis of baffle plate 12, and rotary shaft 13 is arranged in logical
The side wall of hole 9 is interior and is rotationally connected with burner hearth 1.So that baffle plate 12 is rotationally connected with the inwall of burner hearth 1.As shown in figure 4, outside baffle plate 12
Wall offers seal groove 14, and sealing ring 15 is fixedly embedded in seal groove 14, and sealing ring 15 is connected to the inwall of through hole 9.
The abrasionproof principle of the shoe 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 4, 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 6 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, blowing pipe 10 blows baffle plate 12 and rotated, and makes wind to energy dissipating hole 6,
Blow away the flue dust in energy dissipating hole 6.Blowing pipe 10 stops air intake, and baffle plate 12 automatically rotates to covering due to center of gravity
The state of through hole 9, complete the cleaning to abrasionproof water conservancy diversion beam 3.
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 shoe for boiler inner wall, including burner hearth（1）, it is characterized in that：The burner hearth（1）Inwall is along its circumference
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（4）Be fixed on transverse slat（4）Away from burner hearth（1）Inwall
The riser of one end upper surface（5）, the riser（5）On offer energy dissipating hole（6）.
2. a kind of shoe for boiler inner wall according to claim 1, it is characterized in that：The burner hearth（1）On wear
Provided with blowing pipe（10）, the blowing pipe（10）One end is provided with air pump（11）, and the other end is arranged in burner hearth（1）Interior and direction disappears
Can hole（6）.
3. a kind of shoe for boiler inner wall according to claim 2, it is characterized in that：The burner hearth（1）Inwall
Offer through hole（9）, the blowing pipe（10）It is embedded at through hole（9）It is interior and in through hole（9）In interference fit, the through hole（9）
Inside it is embedded with for covering through hole（9）Baffle plate（12）, the baffle plate（12）It is rotationally connected with burner hearth（1）Inwall.
4. a kind of shoe for boiler inner wall according to claim 3, it is characterized in that：The baffle plate（12）It is interior solid
Surely it is equipped with rotary shaft（13）, the rotary shaft（13）It is horizontally disposed, the rotary shaft（13）Positioned at baffle plate（12）In
Above axis, the rotary shaft（13）It is arranged in through hole（9）Side wall is interior and is rotationally connected with burner hearth（1）.
5. a kind of shoe for boiler inner wall according to claim 4, it is characterized in that：The baffle plate（12）Outer wall
Offer seal groove（14）, the seal groove（14）Inside it is fixedly embedded at sealing ring（15）, the sealing ring（15）It is connected to logical
Hole（9）Inwall.
6. a kind of shoe for boiler inner wall according to claim 5, it is characterized in that：The transverse slat（4）With it is perpendicular
Plate（5）Junction be provided with guide pad（7）, the guide pad（7）Provided with by air-flow from transverse slat（4）Steadily it is directed to riser（5）
Arc surface（8）.
7. a kind of shoe for boiler inner wall according to claim 6, it is characterized in that：The energy dissipating hole（6）The back of the body
To burner hearth（1）Inwall one end is set in enlarging.
8. a kind of shoe for boiler inner wall according to claim 7, it is characterized in that：The burner hearth（1）Inwall
It is coated with anti-abrasive coatings（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937386.8U CN207035098U (en) | 2017-07-29 | 2017-07-29 | A kind of shoe for boiler inner wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720937386.8U CN207035098U (en) | 2017-07-29 | 2017-07-29 | A kind of shoe for boiler inner wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035098U true CN207035098U (en) | 2018-02-23 |
Family
ID=61461703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720937386.8U Expired - Fee Related CN207035098U (en) | 2017-07-29 | 2017-07-29 | A kind of shoe for boiler inner wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207035098U (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 CN201720937386.8U patent/CN207035098U/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 |