CN108050512A - A kind of boiler hearth of circulating fluidized bed slag-draining device and its operating method - Google Patents
A kind of boiler hearth of circulating fluidized bed slag-draining device and its operating method Download PDFInfo
- Publication number
- CN108050512A CN108050512A CN201711269454.9A CN201711269454A CN108050512A CN 108050512 A CN108050512 A CN 108050512A CN 201711269454 A CN201711269454 A CN 201711269454A CN 108050512 A CN108050512 A CN 108050512A
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- slag
- boiler
- collection bucket
- cuboid
- scum pipe
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- 238000011017 operating method Methods 0.000 title claims description 5
- 239000002893 slag Substances 0.000 claims abstract description 65
- 238000010438 heat treatment Methods 0.000 claims description 39
- 239000011148 porous material Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 8
- 239000003818 cinder Substances 0.000 claims description 5
- 210000000038 chest Anatomy 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims description 3
- 241000270295 Serpentes Species 0.000 claims 1
- 238000005457 optimization Methods 0.000 description 10
- 239000003245 coal Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention discloses a kind of boiler hearth of circulating fluidized bed slag-draining devices, and including burner hearth, scum pipe, slag collection bucket, the upper furnace is cuboid, and lower part is cone shape, and conical aperture is upward and is connected with upper furnace cuboid；The slag collection bucket is top cuboid, and the lower cone bodily form, conical aperture is upward and is connected with slag collection bucket top cuboid；The lower cone body of the scum pipe top and burner hearth connects, and scum pipe lower part is connected with slag collection bucket top cuboid, and connection mode is all closely sealed connection；Gate valve is provided in the middle part of the scum pipe.The present invention has the advantages of furnace temperature is more stable, easy to operate.
Description
Technical field
The present invention relates to machinery equipment field more particularly to a kind of boiler hearth of circulating fluidized bed slag-draining device and its operations
Method.
Background technology
For the deslagging of boiler hearth of circulating fluidized bed, generally use is the valve plate that slag-discharge pipe is opened manually in practice
Mode carries out deslagging.Burner hearth thickness of feed layer too it is high can cause burner hearth primary air fan windage it is excessive, then primary air fan power consumption
Excessively high, when fireman's misoperation, can also there is a possibility that burner hearth coking.Burner hearth thickness of feed layer disposably reduces too many（I.e. one
Secondary property bed drain purge is more）When, fire box temperature declines the possibility very fast, burner hearth can be caused extremely fiery.Artificial deslagging mode is mainly led to
It crosses fireman and observes burner hearth thickness of feed layer display instrument, thickness of feed layer is more than that prescribed limit just needs to carry out artificial deslagging, then
Fireman to notify deslagging personnel go open slag-discharge pipe valve plate carry out deslagging, bed drain purge number by deslagging personnel rule of thumb
It determines, artifical influence factor is larger, and furnace temperature can all decline comparatively fast after each deslagging, and temperature fluctuation is big, it is necessary to by increasing to coal
The modes of operation such as amount are stablized, and can cause waste coal, and the high-temperature residual heat of the cinder discharged do not fully utilize, wave
Thermal energy is taken.
The content of the invention
An object of the present invention is to provide a kind of boiler hearth of circulating fluidized bed slag-draining device, has energy saving, operation letter
The characteristics of single.
The technical solution adopted by the present invention is a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth, deslagging
Pipe, slag collection bucket, the upper furnace are cuboid, and lower part is cone shape, and conical aperture is upwards and and upper furnace
Cuboid is connected；The slag collection bucket is top cuboid, and the lower cone bodily form, conical aperture is upward and is received with clinker
Collection bucket top cuboid is connected；The lower cone body of the scum pipe top and burner hearth connects, and scum pipe lower part is received with clinker
Collection bucket top cuboid connection, connection mode are all closely sealed connection；Gate valve is provided in the middle part of the scum pipe.
Scum pipe and burner hearth and slag collection bucket are all closely sealed connections, can guarantee and do not leak out, and will not therefore reduce recycle stream
Change the work efficiency of bed, and do not have cinder ash and leak pollution environment.
Gate valve is provided in the middle part of scum pipe, can realize automatic control switch, intellectualized operation saves manpower, and
Also help the stabilization of fluidized-bed process.
As the further optimization of the technical program, the burner hearth cuboid cross section grows 6.8 meters, 4.85 meters wide, circular cone
5.18 meters of body height；The slag collection bucket cuboid cross section grows 2.1 meters, 1.75 meters wide, 2.05 meters of cone height；It is described
A diameter of 328 millimeters of scum pipe.
As the further optimization of the technical program, the closely sealed connection mode is welding.
Secured, the crack not easy to crack of welding manner connection.
As the further optimization of the technical program, the scum pipe is additionally provided with expansion joint.
When the stress that brings of hard connecting mode of the energy saving effective buffering welding of expansion being set, and can also buffer deslagging due to
Fluidized-bed combustion boiler, scum pipe, the temperature change of slag collection bucket cause to expand with heat and contract with cold the stress brought.
As the further optimization of the technical program, the scum pipe quantity is 4 or 8, is evenly distributedly connected to
Lower furnace portion.
Scum pipe quantity is more, is uniformly distributed, can fast and effective deslagging.
As the further optimization of the technical program, the stop deslagging plate of the gate valve is sieve pore structure, sieve pore ruler
Very little is 10 mesh to 18 mesh, is preferably 12 mesh, 14 mesh or 16 mesh.
When sieve pore structure closes gate valve, tiny clinker also can leak down to go to slag collection bucket from sieve pore in time,
When improving work efficiency, and opening gate valve, small clinker will not be mingled with because of big clinker, mixed, the row of causing
Slag blockage.
As the further optimization of the technical program, the gate valve is controlled by cylinder and switched；The cylinder is by solenoid valve
Control action；The solenoid valve is controlled by operation button and switched, and operation button is installed in the operation cabinet of boiler.
Gate valve is often blocked by some tiny clinkers, it is necessary to which larger active force could be operating normally, so needing
Cylinder is wanted to promote plate valve events.
It is acted by solenoid valve control cylinder, personnel operate simply.
As the further optimization of the technical program, the boiler furnace sets burner hearth thickness of feed layer display instrument, burner hearth
Thickness of feed layer shows that the pressure limit control is in 4000Pa with pressure pattern（Pascal）To 4200Pa（Pascal）.
Burner hearth thickness of feed layer shows with pressure pattern, simple, intuitive, and pressure detecting element price is cheap, sensitivity
Height,
As the further optimization of the technical program, heating tube in the slag collection bucket is set, is boiler feedwater in heating tube,
Boiler feedwater is heated using the heat of clinker.
The amount of residual heat of clinker is re-used, and saves energy.
As the further optimization of the technical program, the heating tube is serpentine heating pipe, and material is stainless steel；It is described to add
The a diameter of 150mm of heat pipe.
Serpentine heating pipe can be interior in a limited space, increases heat exchange area, improves the utilization rate of clinker residual amount of energy.
As the further optimization of the technical program, the slag collection bucket bottom is additionally provided with deslagging valve.
A kind of operating method of boiler hearth of circulating fluidized bed slag-draining device, the burner hearth thickness of feed layer pass through display instrument
Observation, is shown with pressure pattern, controlled in 4000-4200Pa, when burner hearth thickness of feed layer is more than the scope, operates boiler attendance
Solenoid valve button switch on cabinet, the action of solenoid valve control cylinder control and open gate valve, and the bulk clinker in burner hearth is
It is entered from scum pipe in slag collection bucket, then the high temperature furnace slag in collection bucket is to the snakelike stainless steel that is arranged in collection bucket
Heating tube is heated, heating tube reheat pipe in boiler feedwater, clinker accumulate to it is a certain amount of when, open simple deslagging valve,
Clinker is discharged into cart, transports cinder field.
Advantageous effect：
1. operating personnel can accomplish diligent row truly according to the situation of burner hearth thickness of feed layer display instrument deslagging at any time
A small amount of grate furnace slag, furnace temperature does not decline substantially when ensure that deslagging, and Shanghai temperature is more stable, and the operation of boiler is more stable.
2. the clinker discharged now is left concentratedly in collection bucket, fireman can concentrate out when 2 is small or so now
Primary slag changes the original mode of operation that deslagging is often carried out with trolley, deslagging operating personnel is made to have more mobility.
3. being mounted with that serpentine heating pipe carries out preheating early period to boiler feedwater in slag collection bucket, height can be partly utilized
The waste heat of warm clinker, and the temperature of clinker can be reduced, it is not easy to generate the situation that high temperature coal slag splashing is hurted sb.'s feelings.
4. optimizing the operating system of boiler, make the operation more mechanization of boiler, significantly reduce the labor of operating personnel
Fatigue resistance.
5. it is energy saving, it is mounted with that serpentine heating pipe carries out preheating early period to boiler feedwater in slag collection bucket, it can part
Using the waste heat of high temperature furnace slag, boiler feed water is made to heat up, it is energy saving.
Description of the drawings
Fig. 1 is boiler hearth of circulating fluidized bed of the present invention and slag-draining device schematic diagram.
Fig. 2 is slag-draining device of the present invention and slag collection bucket schematic diagram.
Fig. 3 is gate valve deslagging plate sieve pore structure schematic diagram of the present invention.
In figure：1 scum pipe；2 gate valves；3 cylinders；4 solenoid valves；5 slag collection buckets；6 heating tubes；7 deslagging valves；
11 burner hearths；21 deslagging plates.
Specific embodiment：
Below in conjunction with attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that retouched
The embodiment stated is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill all other embodiments obtained without making creative work, belong to the present invention
The scope of protection.
Embodiment 1
As depicted in figs. 1 and 2, a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth 11, scum pipe 1, slag collection
Bucket 5,11 top of burner hearth are cuboid, and lower part is cone shape, conical aperture upwards and with 11 top cuboid phase of burner hearth
Even, slag collection bucket 5 be top cuboid, the lower cone bodily form, conical aperture upwards and it is rectangular with 5 top of slag collection bucket
The bodily form is connected, the lower cone body connection of 1 top of scum pipe and burner hearth, 1 lower part of scum pipe and 5 top cuboid of slag collection bucket
Connection, connection mode are all closely sealed connection, and 1 middle part of scum pipe is provided with gate valve 2.
Embodiment 2
As shown in Figure 1, Figure 2 and Figure 3, a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth 11, scum pipe 1, clinker
Collection bucket 5, upper furnace are cuboid, and lower part is cone shape, conical aperture upwards and with 11 top cuboid of burner hearth
Be connected, slag collection bucket 5 be top cuboid, the lower cone bodily form, conical aperture upwards and with minister on slag collection bucket 5
Cube shape is connected, and the lower cone body connection of 1 top of scum pipe and burner hearth, 1 lower part of scum pipe and 5 top of slag collection bucket are rectangular
Body connects, and connection mode is all closely sealed connection, and 1 middle part of scum pipe is provided with gate valve 2.Burner hearth cuboid cross section grows 6.8 meters,
It is 4.85 meters wide, 5.18 meters of cone height；5 cuboid cross section of slag collection bucket grows 2.1 meters, 1.75 meters wide, cone height
2.05 rice；1 a diameter of 328 millimeter of scum pipe.Closely sealed connection mode is welding, and scum pipe 1 is additionally provided with expansion joint.Scum pipe 1
Quantity is 4, is evenly distributedly connected to lower furnace portion.The stop deslagging plate 21 of gate valve 2 be sieve pore structure, screen size
For 10 mesh.Gate valve 2 controls switch by cylinder 3, and cylinder 3 is opened by 4 control action of solenoid valve, solenoid valve 4 by operation button control
It closes, operation button is installed in the operation cabinet of boiler.Boiler furnace 11 sets burner hearth thickness of feed layer display instrument, 11 bed of material of burner hearth
Thickness shows that the pressure limit control is in 4000Pa with pressure pattern（Pascal）To 4200Pa（Pascal）.Slag collection
Heating tube 6 in bucket 5 is set, is boiler feedwater in heating tube 6, boiler feedwater is heated using the heat of clinker.Heating tube 6
For serpentine heating pipe, material is stainless steel, a diameter of 150mm of serpentine heating pipe.5 bottom of slag collection bucket is additionally provided with deslagging valve
7。
Embodiment 3
As shown in Figure 1, Figure 2 and Figure 3, a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth 11, scum pipe 1, clinker
Collection bucket 5,11 top of burner hearth are cuboid, and lower part is cone shape, conical aperture upwards and with 11 top cuboid of burner hearth
Shape is connected, slag collection bucket 5 be top cuboid, the lower cone bodily form, conical aperture upwards and with 5 top of slag collection bucket
Cuboid is connected, and 1 top of scum pipe is connected with the lower cone body of burner hearth 11,1 lower part of scum pipe and 5 top of slag collection bucket
Cuboid connects, and connection mode is all closely sealed connection, and 1 middle part of scum pipe is provided with gate valve 2.11 cuboid cross section of burner hearth is long
It is 6.8 meters, 4.85 meters wide, 5.18 meters of cone height；5 cuboid cross section of slag collection bucket grows 2.1 meters, 1.75 meters wide, circular cone
2.05 meters of body height；1 a diameter of 328 millimeter of scum pipe.Closely sealed connection mode is welding, and scum pipe 1 is additionally provided with expansion joint.Row
1 quantity of slag pipe is 8, is evenly distributedly connected to 11 lower part of burner hearth.The stop deslagging plate 21 of gate valve 2 is sieve pore structure,
Screen size is 18 mesh.Gate valve 2 controls switch by cylinder 3, and cylinder 3 is pressed by 4 control action of solenoid valve, solenoid valve 4 by operation
Button control switch, operation button are installed in the operation cabinet of boiler.Boiler furnace 11 sets burner hearth thickness of feed layer display instrument, stove
Thorax thickness of feed layer shows that the pressure limit control is in 4100Pa with pressure pattern（Pascal）To 4200Pa（Pascal）.Stove
Heating tube 6 in slag collection bucket 5 is set, is boiler feedwater in heating tube 6, boiler feedwater is heated using the heat of clinker.
Heating tube 6 is serpentine heating pipe, and material is stainless steel, a diameter of 150mm of serpentine heating pipe.5 bottom of slag collection bucket is also set up
There is deslagging valve 7.
Embodiment 4
As shown in Figure 1, Figure 2 and Figure 3, a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth 11, scum pipe 1, clinker
Collection bucket 5,11 top of burner hearth are cuboid, and lower part is cone shape, conical aperture upwards and with 11 top cuboid of burner hearth
Shape is connected, slag collection bucket 5 be top cuboid, the lower cone bodily form, conical aperture upwards and with 5 top of slag collection bucket
Cuboid is connected, and 1 top of scum pipe is connected with the lower cone body of burner hearth 11,1 lower part of scum pipe and 5 top of slag collection bucket
Cuboid connects, and connection mode is all closely sealed connection, and 1 middle part of scum pipe is provided with gate valve 2.11 cuboid cross section of burner hearth is long
It is 6.8 meters, 4.85 meters wide, 5.18 meters of cone height；5 cuboid cross section of slag collection bucket grows 2.1 meters, 1.75 meters wide, circular cone
2.05 meters of body height；1 a diameter of 328 millimeter of scum pipe.Closely sealed connection mode is welding, and scum pipe 1 is additionally provided with expansion joint.Row
1 quantity of slag pipe is 8, is evenly distributedly connected to 11 lower part of burner hearth.The stop deslagging plate 21 of gate valve 2 is sieve pore structure,
Screen size is 14 mesh.Gate valve 2 controls switch by cylinder 3, and cylinder 3 is pressed by 4 control action of solenoid valve, solenoid valve 4 by operation
Button control switch, operation button are installed in the operation cabinet of boiler.Boiler furnace 11 sets burner hearth thickness of feed layer display instrument, stove
11 thickness of feed layer of thorax shows that the pressure limit control is in 4000Pa with pressure pattern（Pascal）To 4100Pa（Pascal）.
Heating tube 6 in slag collection bucket 5 is set, is boiler feedwater in heating tube 6, boiler feedwater is added using the heat of clinker
Heat.Heating tube 6 is serpentine heating pipe, and material is stainless steel, a diameter of 150mm of serpentine heating pipe.5 bottom of slag collection bucket is also set
It is equipped with deslagging valve 7.
Embodiment 5
As shown in Figure 1, Figure 2 and Figure 3, a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth 11, scum pipe 1, clinker
Collection bucket 5,11 top of burner hearth are cuboid, and lower part is cone shape, conical aperture upwards and with 11 top cuboid of burner hearth
Shape is connected, slag collection bucket 5 be top cuboid, the lower cone bodily form, conical aperture upwards and with 5 top of slag collection bucket
Cuboid is connected, and 1 top of scum pipe is connected with the lower cone body of burner hearth 11,1 lower part of scum pipe and 5 top of slag collection bucket
Cuboid connects, and connection mode is all closely sealed connection, and 1 middle part of scum pipe is provided with gate valve 2.11 cuboid cross section of burner hearth is long
It is 6.8 meters, 4.85 meters wide, 5.18 meters of cone height；5 cuboid cross section of slag collection bucket grows 2.1 meters, 1.75 meters wide, circular cone
2.05 meters of body height；1 a diameter of 328 millimeter of scum pipe.Closely sealed connection mode is welding, and scum pipe 1 is additionally provided with expansion joint.Row
1 quantity of slag pipe is 4, is evenly distributedly connected to lower furnace portion.The stop deslagging plate 21 of gate valve 2 is sieve pore structure, is sieved
Pore size is 12 mesh.Gate valve 2 controls switch by cylinder 3, and cylinder 3 is by 4 control action of solenoid valve, and solenoid valve 4 is by operation button
Control switch, operation button are installed in the operation cabinet of boiler.Boiler furnace 11 sets burner hearth thickness of feed layer display instrument, burner hearth
11 thicknesses of feed layer show that the pressure limit control is in 4050Pa with pressure pattern（Pascal）To 4150Pa（Pascal）.Stove
Heating tube 6 in slag collection bucket 5 is set, is boiler feedwater in heating tube 6, boiler feedwater is heated using the heat of clinker.
Heating tube 6 is serpentine heating pipe, and material is stainless steel, a diameter of 150mm of serpentine heating pipe.5 bottom of slag collection bucket is also set up
There is deslagging valve 7.
Embodiment 6
As shown in Figure 1, Figure 2 and Figure 3, a kind of operating method of boiler hearth of circulating fluidized bed slag-draining device, 11 bed of material of burner hearth are thick
Degree is observed by display instrument, is shown, is controlled in 4000-4200Pa with pressure pattern, when 11 thickness of feed layer of burner hearth is more than the model
When enclosing, 4 button switch of solenoid valve on boiler attendance cabinet is operated, solenoid valve 4 controls the action of cylinder 3, controls and make gate valve 2
It opens, the bulk clinker in burner hearth is entered from scum pipe 1 in slag collection bucket 5, then the high temperature furnace slag in slag collection bucket 5
The snakelike stainless steel heating tube 6 being arranged in collection bucket is heated, heating tube 6 reheats the boiler feedwater in pipe, clinker
When accumulating a certain amount of, simple deslagging valve 7 is opened, clinker is discharged into cart, transports cinder field.
Claims (10)
1. a kind of boiler hearth of circulating fluidized bed slag-draining device, including burner hearth, scum pipe, slag collection bucket, which is characterized in that institute
Upper furnace is stated as cuboid, lower part is cone shape, and conical aperture is upward and is connected with upper furnace cuboid；It is described
Slag collection bucket be top cuboid, the lower cone bodily form, conical aperture upwards and with slag collection bucket top cuboid
It is connected；The lower cone body of the scum pipe top and burner hearth connects, and scum pipe lower part connects with slag collection bucket top cuboid
It connects, connection mode is all closely sealed connection；Gate valve is provided in the middle part of the scum pipe.
2. boiler hearth of circulating fluidized bed slag-draining device according to claim 1, which is characterized in that the burner hearth cuboid
Cross section grows 6.8 meters, 4.85 meters wide, 5.18 meters of cone height；2.1 meters of the slag collection bucket cuboid cross section length, it is wide
1.75 meters, 2.05 meters of cone height；A diameter of 328 millimeters of the scum pipe.
3. boiler hearth of circulating fluidized bed slag-draining device according to claim 2, which is characterized in that the closely sealed connection side
Formula is welding；The scum pipe is additionally provided with expansion joint；The scum pipe quantity is 4 or 8, is evenly distributedly connected to stove
Thorax lower part.
4. boiler hearth of circulating fluidized bed slag-draining device according to claim 3, which is characterized in that the resistance of the gate valve
It is sieve pore structure to keep off deslagging plate, and screen size is 10 mesh to 18 mesh, is preferably 12 mesh, 14 mesh or 16 mesh.
5. the boiler hearth of circulating fluidized bed slag-draining device according to claim 3 or 4, which is characterized in that the gate valve
It is controlled and switched by cylinder；The cylinder is acted by solenoid valve control；The solenoid valve is controlled by operation button and switched, operation button
It is installed in the operation cabinet of boiler.
6. boiler hearth of circulating fluidized bed slag-draining device according to claim 5, which is characterized in that the boiler furnace is set
Burner hearth thickness of feed layer display instrument is put, burner hearth thickness of feed layer is shown with pressure pattern, and the pressure limit control is in 4000Pa（Pa
This card）To 4200Pa（Pascal）.
7. boiler hearth of circulating fluidized bed slag-draining device according to claim 6, which is characterized in that the slag collection bucket
Interior setting heating tube, interior heating tube is boiler feedwater.
8. boiler hearth of circulating fluidized bed slag-draining device according to claim 7, which is characterized in that the heating tube is snake
Shape heating tube, material are stainless steel；The a diameter of 150mm of heating tube.
9. the boiler hearth of circulating fluidized bed slag-draining device according to claim 6 or 8, which is characterized in that the clinker is received
Collection bucket bottom is additionally provided with deslagging valve.
10. the operating method of boiler hearth of circulating fluidized bed slag-draining device according to claim 9, which is characterized in that institute
It states burner hearth thickness of feed layer to observe by display instrument, be shown with pressure pattern, controlled in 4000-4200Pa, when the burner hearth bed of material is thick
When degree is more than the scope, the solenoid valve button switch on boiler attendance cabinet, the action of solenoid valve control cylinder are operated, control will insert
Plate valve is opened, and the bulk clinker in burner hearth is entered from scum pipe in slag collection bucket, then the high temperature furnace slag in collection bucket
The snakelike stainless steel heating tube being arranged in collection bucket is heated, heating tube reheats the boiler feedwater in pipe, clinker product
When being stored to a certain amount of, simple deslagging valve is opened, clinker is discharged into cart, transports cinder field.
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| CN201711269454.9A CN108050512A (en) | 2017-12-05 | 2017-12-05 | A kind of boiler hearth of circulating fluidized bed slag-draining device and its operating method |
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| CN101598334A (en) * | 2009-06-30 | 2009-12-09 | 上海锅炉厂有限公司 | Bottom slag cooling method of circulating fluidized bed |
| CN101672470A (en) * | 2009-08-28 | 2010-03-17 | 无锡海源重工股份有限公司 | Deslagging device of circulating fluidized bed boiler |
| CN102759100A (en) * | 2012-06-15 | 2012-10-31 | 陕西华电瑶池发电有限公司 | Boiler slagging pipe |
| CN102944011A (en) * | 2012-09-07 | 2013-02-27 | 德阳劲达节能科技有限责任公司 | Control system and control method for material bed of circulating fluidized bed boiler |
| JP2014136768A (en) * | 2013-01-17 | 2014-07-28 | Babcock-Hitachi Co Ltd | Coal gasification apparatus and method for discharging slag |
| CN204213917U (en) * | 2014-09-23 | 2015-03-18 | 安徽六国化工股份有限公司 | Deslagging device of circulating fluidized bed boiler |
| CN104515138A (en) * | 2014-12-24 | 2015-04-15 | 山西蓝天环保设备有限公司 | Deslagging device applicable to coal powder industrial boiler |
| CN204901810U (en) * | 2015-08-17 | 2015-12-23 | 皖西学院 | Energy -conserving boiler system |
| CN205026658U (en) * | 2015-09-23 | 2016-02-10 | 安徽三星化工有限责任公司 | Utilize device of industry circulating fluidized bed boilerslagremoval heating bunker coal |
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