CN206556006U - A kind of anti-block apparatus of CFBB side wall slag-drip opening - Google Patents
A kind of anti-block apparatus of CFBB side wall slag-drip opening Download PDFInfo
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- CN206556006U CN206556006U CN201720149374.9U CN201720149374U CN206556006U CN 206556006 U CN206556006 U CN 206556006U CN 201720149374 U CN201720149374 U CN 201720149374U CN 206556006 U CN206556006 U CN 206556006U
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- Prior art keywords
- slag
- drip opening
- fluidized wind
- pipe
- tube
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Abstract
The utility model discloses a kind of anti-block apparatus of CFBB side wall slag-drip opening, including the fluidization mechanism being arranged at slag-drip opening horizontal segment, the fluidization mechanism includes at least one fluidisation spray gun, the fluidized wind branch pipe(tube) consistent with the fluidisation spray gun quantity and fluidized wind main pipe, the inner port of the fluidisation spray gun enters in the horizontal converging transition of slag-drip opening from slag-drip opening hull outside oblique cutting, the external port of the fluidisation spray gun is connected with one end of corresponding fluidized wind branch pipe(tube), the other end of all fluidized wind branch pipe(tube)s is connected with fluidized wind main pipe, the fluidized wind main pipe is connected with fluidized wind source of the gas.Utility model realizes that CFBB side wall slag-drip opening lime-ash is smooth, efficient transportation, the purging of lime-ash accumulated plugging under boiler side wall slag-drip opening accident conditions, dredging are realized simultaneously and are discharged, ensure that boiler side wall slag-drip opening bottom ash discharge can long-term safety steady and continuous operation, with the high technical advantage of equipment good economy performance, reliability.
Description
Technical field
The utility model is related to a kind of CFB Slag exhaust apparatus, more particularly to a kind of fire coal circulating fluid
The anti-block apparatus of bed boiler side wall slag-drip opening bottom ash discharge.
Background technology
Combustion technology of circulating fluidized be the eighties from Boiling Combustion technology develop it is a kind of it is new, with development
The clean fired coal combustion technology of prospect.Due to fuel tolerance is wide, high combustion efficiency, load adjustment ability are good, desulphurization denitration
Many advantages, such as technique simple and environmentally-friendly function admirable, the superiority of CFBB is increasingly widely recognized as, and is obtained
Fast development.The dreg removing system of CFBB is important part in boiler plant, residue extraction mechanism it is reliable
Property whether, be directly connected to the no control of boiler bed pressure energy in optimal scope, to boiler combustion, primary air fan power consumption, even
The normal operation of unit has great influence.Moreover, as recirculating fluidized bed maximization and the high ash content of lower heat of combustion are inferior
Coal, boiler can smooth deslagging become even more important.But it is high that boiler slag removal system uses low heat value in actual motion, particularly
The CFBB side wall slag-draining device of ash content, often occur slag-drip opening bottom ash accumulated plugging can not smooth deslagging show
As, cause boiler bed pressure rise so that boiler can not normally be run, it is necessary to carry out shutdown maintenance, to user cause economic loss and
Safety worries.
Utility model content
In order to solve in the prior art above CFBB air distribution plate side wall slag-drip opening due to the local ash of slag-drip opening
Slag fluidisation is uneven and lime-ash coking and cause lime-ash accumulated plugging so as to cause boiler can not normal deslagging technical problem, this reality
With a kind of anti-block apparatus of CFBB side wall slag-drip opening of new offer, it can increase slag-drip opening fluidisation and can
Realization manually discloses slag online, effectively solves the lime-ash clogging of CFBB side wall slag-drip opening, improves pot
The safety and reliability of fire grate slag system.
The utility model solves the technical scheme that its technical problem used：
A kind of anti-block apparatus of CFBB side wall slag-drip opening, the device includes being arranged at slag-drip opening horizontal segment
Fluidization mechanism, the fluidization mechanism includes at least one fluidisation spray gun, fluidizes the consistent fluidized wind branch of spray gun quantity with described
Pipeline and fluidized wind main pipe, the inner port of the fluidisation spray gun enter the horizontal converging transition of slag-drip opening from slag-drip opening hull outside oblique cutting
It is interior, one end connection of external port and the corresponding fluidized wind branch pipe(tube) of the fluidisation spray gun, all fluidized wind branch pipe(tube)s it is another
End is connected with fluidized wind main pipe, and the fluidized wind main pipe is connected with fluidized wind source of the gas.
By above-mentioned technical proposal, the barrel of the slag-drip opening is in tapered bell mouth shape, the fluidisation along lime-ash flow direction
The inner port of spray gun is located at the middle and lower part of the tapered oared segrne pii of slag-drip opening level.
By above-mentioned technical proposal, the fluidized wind source of the gas by boiler grid plate fluidisation wind system provide, its pressure be 50~
60kPa。
By above-mentioned technical proposal, it is provided with hand stop valve, the fluidized wind main pipe and sets on the fluidized wind branch pipe(tube)
It is equipped with electric check valve.
By above-mentioned technical proposal, the fluidization mechanism also includes the compressed air branch pipe consistent with the fluidisation spray gun quantity
Road and compressed air main pipe, one end of the compressed air branch pipe(tube) are connected with the external port of corresponding fluidisation spray gun, all pressures
The other end of contracting air branch pipe(tube) is connected with the compressed air main pipe, and the compressed air main pipe connects with compressed air gas source
Connect.
By above-mentioned technical proposal, the pressure of the compressed air gas source is 0.5~0.8MPa.
By above-mentioned technical proposal, hand stop valve, the compressed air main pipe are provided with the compressed air branch pipe(tube)
On be provided with electric check valve.
By above-mentioned technical proposal, the device also includes Tong Zha mechanisms, and the Tong Zha mechanisms include disclosing slag pipe, disclosing slag part and disclose
Slag seal of tube closure plate, the slag pipe of disclosing is arranged in slag-drip opening housing, and its inner port is connected with slag-drip opening, described to disclose the slag seal of tube
Closure plate is sealingly disposed at the external port for disclosing slag pipe, described to disclose slag part and disclose in slag pipe through disclosing slag seal of tube closure plate and be arranged on, institute
State and disclose slag part and can do linear reciprocating motion along its inwall disclosing in slag pipe to complete to disclose slag.
By above-mentioned technical proposal, the slag part of disclosing is the strip or circular steel construction being made up of heat resistant and wear resistant material.
By above-mentioned technical proposal, the Tong Zha mechanisms, which also include being arranged on disclosing to be used to fix on slag seal of tube closure plate, discloses slag part
Lock-screw.
The utility model, has the advantages that：The utility model in the horizontal segment of boiler side wall slag-drip opening by setting
Fluidization mechanism is put, fluidized wind is blown into slag-drip opening through each fluidized wind branch pipe(tube) by fluidized wind main pipe eventually through each fluidisation spray gun
It is interior, to ensure that the lime-ash in slag-drip opening horizontal segment is in suspension fluidization state all the time, so as to prevent lime-ash from precipitating and and slag-drip opening
The bonding of barrel is hardened to be blocked, it is ensured that the smooth transportation of lime-ash material.The utility model can effectively ensure boiler
Side wall slag-drip opening is fluidized and smooth conveying deslagging, improves the security of boiler side wall slag-drip opening Ash water deslagging and reliable
Property.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the utility model embodiment.
In figure：1- slag-drip openings；2- boiler grid plates；3- burner hearth side walls；4- scum pipes；5- fluidized wind main pipes；15- compressions are empty
Gas main pipe；6- electric check valves；7- fluidized wind branch pipe(tube)s；17- compressed air branch pipe(tube)s；8- hand stop valves；9- fluidizes spray gun；
10- discloses slag part；11- lock-screws；12- discloses slag seal of tube closure plate；13- discloses slag pipe；14- slag-drip opening housings.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
In preferred embodiment of the present utility model, as shown in figure 1, a kind of CFBB side wall slag-drip opening is anti-
Block apparatus, the device includes being arranged on the fluidization mechanism at the horizontal segment of slag-drip opening 1 of burner hearth side wall 3, and fluidization mechanism is included at least
One fluidisation spray gun 9, the fluidized wind branch pipe(tube) 7 consistent with the fluidisation quantity of spray gun 9 and fluidized wind main pipe 5, fluidisation spray gun 9 it is interior
Port enters in the horizontal converging transition of slag-drip opening 1 from the outside oblique cutting of slag-drip opening housing 14, fluidizes the external port and corresponding fluidisation of spray gun 9
One end connection of wind branch pipe(tube) 7, the other end of all fluidized wind branch pipe(tube)s 7 is connected with fluidized wind main pipe 5, fluidized wind main pipe 5 and
Fluidized wind source of the gas is connected.
In preferred embodiment of the present utility model, as shown in figure 1, the barrel of slag-drip opening 1 is in gradually along lime-ash flow direction
Contracting bell mouth shape, is conducive to lime-ash in burner hearth swimmingly to flow to scum pipe 4, the inner port of fluidisation spray gun 9 is located at deslagging saliva
Put down the middle and lower part of tapered oared segrne pii, it is ensured that fluidisation lance outlet can make this section of lime-ash be in optimal fluidized state.
In preferred embodiment of the present utility model, as shown in figure 1, fluidized wind source of the gas fluidizes wind system by boiler grid plate
There is provided, its pressure is 50~60kPa.
In preferred embodiment of the present utility model, as shown in figure 1, being provided with hand stop valve on fluidized wind branch pipe(tube) 7
8, electric check valve 6 is provided with fluidized wind main pipe 5.
In preferred embodiment of the present utility model, as shown in figure 1, fluidization mechanism also includes and the fluidisation quantity one of spray gun 9
The compressed air branch pipe(tube) 17 and compressed air main pipe 15 of cause, one end of compressed air branch pipe(tube) 17 and corresponding fluidisation spray gun 9
External port connection, the other end of all compressed air branch pipe(tube)s 17 is connected with compressed air main pipe 15, compressed air main pipe 15
It is connected with compressed air gas source, wherein, the pressure of compressed air gas source is 0.5~0.8MPa.In slag-drip opening lime-ash accumulated plugging
Slag phenomenon is blocked up in the accumulation that under accident conditions, using bailout gas compressed air line, can purge, dredge boiler slag removal mouthful.
In preferred embodiment of the present utility model, as shown in figure 1, being provided with manual shutoff on compressed air branch pipe(tube) 17
Electric check valve 6 is provided with valve 8, compressed air main pipe 15.
In preferred embodiment of the present utility model, as shown in figure 1, the device also includes Tong Zha mechanisms, Tong Zha mechanisms bag
Include and disclose slag pipe 13, disclose slag part 10 and disclose slag seal of tube closure plate 12, disclose slag pipe 13 and be arranged in slag-drip opening housing 14, its inner port with
Slag-drip opening 1 is connected, and is disclosed slag seal of tube closure plate 12 and is sealingly disposed at the external port for disclosing slag pipe 13, discloses slag part 10 through disclosing slag Guan Mi
Plugging plate 12, which is arranged on, to be disclosed in slag pipe 13, and linear reciprocating motion can be done to complete to disclose disclosing in slag pipe 13 along its inwall by disclosing slag part 10
Slag.When boiler ash coking and accumulation caking are blocked, Tong Zha mechanisms are using manually slag mode is disclosed, for disclosing slag coke button and lime-ash
Cake broke simultaneously dredges slag-drip opening, it is to avoid because coke button and lime-ash accumulation caking block slag-drip opening.
Tong Zha mechanisms are specifically arranged in the horizontal segment trailer of boiler side wall slag-drip opening, disclose slag pipe and disclose slag part central shaft extended line
Boiler side wall slag-drip opening middle and lower part is may extend to, and avoids intersecting with slag-drip opening bottom and damages slag-drip opening when preventing from disclosing the work of slag part
Inner liner abrasive resistant refractory material.In the case of boiler side wall slag-drip opening lime-ash blocks caking and bulk slagging failure, using manually disclosing
Slag mode, the linear reciprocating motion in slag pipe inner cylinder is being disclosed using slag part is disclosed, and smashes bulk coke button and dredging lime-ash is blocked.Its
In, disclose slag pipe and made using heat-proof corrosion resistant erosion steel alloy TP310S materials, inner liner abrasive resistant castable refractory, for ensureing to disclose slag pipe
Outside not overtemperature and heat-proof corrosion resistant erosion.Disclose slag seal of tube closure plate and disclose heat smoke and lime-ash in slag pipe for isolation and leak.
In preferred embodiment of the present utility model, it is made up as shown in figure 1, disclosing slag part 10 of heat resistant and wear resistant material
Strip or circular steel construction.Corrosion-and high-temp-resistant steel alloy TP310S is used in addition, disclosing slag pipe and disclosing slag seal of tube closure plate,
For resisting high-temperature boiler lime-ash and heat smoke in slag-drip opening.To prevent from disclosing slag pipe outer wall face high temperature scald, slag inside pipe wall is being disclosed
Inner liner abrasive resistant refractory material is used for heat-insulated.
In preferred embodiment of the present utility model, as shown in figure 1, Tong Zha mechanisms are also including stifled installed in the slag seal of tube is disclosed
It is used for the fixed lock-screw 11 for disclosing slag part 10 on plate 12, for when disclosing slag part and not working, being fixed using lock-screw and disclosing slag
Part.
In specific application, boiler side wall slag-drip opening is located at side water wall above boiler furnace air distribution plate to the utility model
Horizontal direction perforate deslagging, its scum pipe is connected to slag cooler, and slag-drip opening inner liner abrasive resistant castable refractory prevents outer wall steel plate housing
Overtemperature, slag-drip opening barrel is in tapered bell mouth shape along lime-ash flow direction, is conducive to lime-ash in burner hearth swimmingly to flow to deslagging
Pipe.Fluidization mechanism provides fluidized wind and compressed air respectively by two-way source of the gas, and fluidized wind pipe-line system is in the normal row of operation of boiler
Come into operation during slag, in normally open, it is ensured that the lime-ash in boiler side wall slag-drip opening is in fluidized state all the time, carries out boiler side wall
Slag-drip opening lime-ash fluidisation, conveying, discharge, prevent lime-ash accumulation from bonding viscous wall and blocking；Compressed air line system is in boiler side wall
Slag-drip opening accident comes into operation when blocking up slag, for the purging of boiler side wall slag-drip opening, block clearing and discharge.Compressed air line system only exists
Slag-drip opening lime-ash deslagging closes fluidisation air pipe line source of the gas freely and in the case of blocking, and opening compressed air line utilizes compression
The gases at high pressure of air, carry out lime-ash purging and the block clearing of slag-drip opening, it is ensured that purging of the slag-drip opening in the case of accident blocks up slag
And block clearing.Two-way source of the gas enters the bell-mouthed middle and lower part of boiler side wall slag-drip opening converging transition, two by two fluidisation lance ejections
Zhi Liuhua spray guns are symmetrically arranged in boiler side wall slag-drip opening vertical center line both sides, and its angle is about 100 °.Wherein, spray gun is fluidized
Made using heat-resistant, wear-resistant steel alloy TP310S materials and be embedded in boiler side wall slag-drip opening casing lining wearing-proof refractory material and poured
In material feeding, to prevent fluid stopping spray gun by high-temperature ash and heat smoke wear and corrosion at high temperature, it is ensured that fluidisation spray gun can pacify for a long time
Use entirely.In the case of the blocking of boiler side wall slag-drip opening lime-ash and bulk slagging failure, it is possible to use Tong Zha mechanisms carry out boiler
Side wall slag-drip opening coke button and lime-ash are smashed, dredged, discharging.
The utility model is led to using fluidisation air pipe line, compressed air line and effective combined use of Tong Zha mechanisms three
Cross fluidized wind pipe-line system and solve boiler side wall slag-drip opening lime-ash all the time in fluidized state, it is therefore prevented that lime-ash is accumulated and stifled
Plug；Meanwhile, the purging in the case of the stifled slag of boiler side wall slag-drip opening accident accumulation and block clearing are solved using compressed air；In addition,
Boiler side wall slag-drip opening bulk coking and blocking accident conditions are solved using Tong Zha mechanisms.It can be seen that, the utility model can have
The solution boiler side wall slag-drip opening fluidisation of effect and smooth conveying deslagging, can solve boiler side wall slag-drip opening accident and block up in the case of slag again
Purging and block clearing, improve the safety and reliability of boiler side wall slag-drip opening Ash water deslagging.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the utility model appended claims.
Claims (10)
1. a kind of anti-block apparatus of CFBB side wall slag-drip opening, it is characterised in that the device includes being arranged on deslagging
Fluidization mechanism at mouthful horizontal segment, the fluidization mechanism include at least one fluidisation spray gun, with described to fluidize spray gun quantity consistent
Fluidized wind branch pipe(tube) and fluidized wind main pipe, the inner port of the fluidisation spray gun enters deslagging saliva from slag-drip opening hull outside oblique cutting
In flat converging transition, the external port of the fluidisation spray gun is connected with one end of corresponding fluidized wind branch pipe(tube), all fluidized wind branch pipes
The other end in road is connected with fluidized wind main pipe, and the fluidized wind main pipe is connected with fluidized wind source of the gas.
2. anti-block apparatus according to claim 1, it is characterised in that the barrel of the slag-drip opening is in along lime-ash flow direction
Tapered bell mouth shape, the inner port of the fluidisation spray gun is located at the middle and lower part of the tapered oared segrne pii of slag-drip opening level.
3. anti-block apparatus according to claim 1, it is characterised in that the fluidized wind source of the gas is by boiler grid plate fluidized wind
System is provided, and its pressure is 50~60kPa.
4. anti-block apparatus according to claim 1, it is characterised in that be provided with manual shutoff on the fluidized wind branch pipe(tube)
Electric check valve is provided with valve, the fluidized wind main pipe.
5. anti-block apparatus according to claim 1, it is characterised in that the fluidization mechanism also includes and the fluidisation spray gun
Sprayed with corresponding fluidisation the consistent compressed air branch pipe(tube) of quantity and compressed air main pipe, one end of the compressed air branch pipe(tube)
The external port connection of rifle, the other end of all compressed air branch pipe(tube)s is connected with the compressed air main pipe, the compressed air
Main pipe is connected with compressed air gas source.
6. anti-block apparatus according to claim 5, it is characterised in that the pressure of the compressed air gas source is 0.5~
0.8MPa。
7. anti-block apparatus according to claim 5, it is characterised in that be provided with and cut manually on the compressed air branch pipe(tube)
Electric check valve is provided with only valve, the compressed air main pipe.
8. anti-block apparatus according to claim 1, it is characterised in that the device also includes Tong Zha mechanisms, described to disclose slag machine
Structure includes disclosing slag pipe, disclose slag part and disclosing slag seal of tube closure plate, and the slag pipe of disclosing is arranged in slag-drip opening housing, its inner port and row
Cinder notch is connected, and the slag seal of tube closure plate of disclosing is sealingly disposed at the external port for disclosing slag pipe, and the slag part of disclosing is through disclosing slag Guan Mi
Plugging plate, which is arranged on, to be disclosed in slag pipe, and the slag part of disclosing can do linear reciprocating motion to complete to disclose slag disclosing in slag pipe along its inwall.
9. anti-block apparatus according to claim 8, it is characterised in that described to disclose slag part to be made up of heat resistant and wear resistant material
Strip or circular steel construction.
10. anti-block apparatus according to claim 8, it is characterised in that the Tong Zha mechanisms also include being arranged on disclosing slag pipe
It is used for the fixed lock-screw for disclosing slag part on sealing closure plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149374.9U CN206556006U (en) | 2017-02-17 | 2017-02-17 | A kind of anti-block apparatus of CFBB side wall slag-drip opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149374.9U CN206556006U (en) | 2017-02-17 | 2017-02-17 | A kind of anti-block apparatus of CFBB side wall slag-drip opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206556006U true CN206556006U (en) | 2017-10-13 |
Family
ID=60010421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720149374.9U Expired - Fee Related CN206556006U (en) | 2017-02-17 | 2017-02-17 | A kind of anti-block apparatus of CFBB side wall slag-drip opening |
Country Status (1)
| Country | Link |
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| CN (1) | CN206556006U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543153A (en) * | 2017-10-25 | 2018-01-05 | 大唐鸡西第二热电有限公司 | Recirculating fluidized bed deslagging pipe device and dredging method |
| CN108151043A (en) * | 2018-01-15 | 2018-06-12 | 无锡雪浪环境科技股份有限公司 | Modified mucking machine moisturizing anti-block apparatus |
| CN108410503A (en) * | 2018-04-03 | 2018-08-17 | 内蒙古科技大学 | A kind of reverse-flow type high temperature fixed bed gasification furnace and its process |
| CN110540206A (en) * | 2018-05-29 | 2019-12-06 | 新特能源股份有限公司 | online slag discharging device and method for fluidized bed reactor |
| CN111322608A (en) * | 2020-04-01 | 2020-06-23 | 新疆硝石钾肥有限公司 | Circulating fluidized bed boiler for pure burning of high-alkali high-chlorine coal and operation method |
| CN115466636A (en) * | 2021-06-10 | 2022-12-13 | 中国科学院工程热物理研究所 | Material returning device for circulating fluidized bed gasification and operation method |
-
2017
- 2017-02-17 CN CN201720149374.9U patent/CN206556006U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543153A (en) * | 2017-10-25 | 2018-01-05 | 大唐鸡西第二热电有限公司 | Recirculating fluidized bed deslagging pipe device and dredging method |
| CN108151043A (en) * | 2018-01-15 | 2018-06-12 | 无锡雪浪环境科技股份有限公司 | Modified mucking machine moisturizing anti-block apparatus |
| CN108410503A (en) * | 2018-04-03 | 2018-08-17 | 内蒙古科技大学 | A kind of reverse-flow type high temperature fixed bed gasification furnace and its process |
| CN110540206A (en) * | 2018-05-29 | 2019-12-06 | 新特能源股份有限公司 | online slag discharging device and method for fluidized bed reactor |
| CN110540206B (en) * | 2018-05-29 | 2021-05-11 | 新特能源股份有限公司 | Online slag discharging device and method for fluidized bed reactor |
| CN111322608A (en) * | 2020-04-01 | 2020-06-23 | 新疆硝石钾肥有限公司 | Circulating fluidized bed boiler for pure burning of high-alkali high-chlorine coal and operation method |
| CN115466636A (en) * | 2021-06-10 | 2022-12-13 | 中国科学院工程热物理研究所 | Material returning device for circulating fluidized bed gasification and operation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200717 Address after: 430223 Room 309, floor 3, Kaidi building, No.1, Jiangxia Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Fengying Energy Technology Engineering Co.,Ltd. Address before: 613, room 430223, Katie building, Jiangxia Road, Miao Shan Development Zone, Jiangxia District, Hubei, Wuhan Patentee before: WUHAN KAIDI ELECTRIC POWER ENGINEERING Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20210217 |