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 PDF

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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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CN
China
Prior art keywords
slag
boiler
collection bucket
cuboid
scum pipe
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Pending
Application number
CN201711269454.9A
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Chinese (zh)
Inventor
龚国平
陈快发
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GANZHOU HUAXING TUNGSTEN PRODUCTS CO Ltd
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GANZHOU HUAXING TUNGSTEN PRODUCTS CO Ltd
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Application filed by GANZHOU HUAXING TUNGSTEN PRODUCTS CO Ltd filed Critical GANZHOU HUAXING TUNGSTEN PRODUCTS CO Ltd
Priority to CN201711269454.9A priority Critical patent/CN108050512A/en
Publication of CN108050512A publication Critical patent/CN108050512A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00Fluidised bed combustion apparatus
    • F23C10/18Details; Accessories
    • F23C10/24Devices for removal of material from the bed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23CMETHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2206/00Fluidised bed combustion
    • F23C2206/10Circulating 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

A kind of boiler hearth of circulating fluidized bed slag-draining device and its operating method
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.
CN201711269454.9A 2017-12-05 2017-12-05 A kind of boiler hearth of circulating fluidized bed slag-draining device and its operating method Pending CN108050512A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200979154Y (en) * 2006-09-01 2007-11-21 重庆大学 Mixing flow type fluid-bed cold drag device
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

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200979154Y (en) * 2006-09-01 2007-11-21 重庆大学 Mixing flow type fluid-bed cold drag device
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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