CN102466224B - Air distribution device of fluidized bed and boiler or gasification furnace with air distribution device - Google Patents
Air distribution device of fluidized bed and boiler or gasification furnace with air distribution device Download PDFInfo
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- CN102466224B CN102466224B CN201010544418.0A CN201010544418A CN102466224B CN 102466224 B CN102466224 B CN 102466224B CN 201010544418 A CN201010544418 A CN 201010544418A CN 102466224 B CN102466224 B CN 102466224B
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Abstract
The invention relates to an air distribution device of a fluidized bed used for a boiler or a gasification furnace. The air distribution device comprises an air inlet header pipe, a plurality of air distribution pipes and a plurality of blast caps, wherein one end of each air distribution pipe is communicated with the air inlet header pipe; the plurality of blast caps are respectively arranged on outlets formed by the other ends of the corresponding air distribution pipes; and at least two air distribution pipes are arranged in a nonparallel manner, and a hearth bottom slag passage is formed by gaps between the air distribution pipes. The invention also relates to a fluidized-bed boiler or the gasification furnace. The fluidized-bed boiler or the gasification furnace comprises a hearth and the air distribution device, wherein hearth bottom slag is discharged from a hearth bottom slag outlet of the hearth through the hearth bottom slag passage.
Description
Technical field
The present invention relates to a kind of air-distributing device of the fluidized-bed for boiler or vapourizing furnace and there is its boiler or vapourizing furnace.
Background technology
The air-distributing device of fluidized-bed is the important component part of fluidized-bed, and existing fluidized-bed air-distributing device mainly contains two kinds of forms, and one is air distribution plate, and another kind is wind-distributing pipe.
The air-distributing device of grid plate type forms with the slag-drip opening be connected on air distribution plate and through the scum pipe of air compartment by with the air compartment below the air distribution plate of blast cap, air distribution plate usually, and its major function comprises: (1) support bed material; (2) even distributing wind, avoids occurring fluidisation dead band in burner hearth; (3) prevent bed material to bleed air compartment; (4) end slag is discharged.Air distribution plate for fluidized-bed combustion boiler and vapourizing furnace requires enough Rigidity and strengths, can not only the weight of support bed material, and when banking fire and hot wind ignition, and air distribution plate can not temperature distortion; When adopting hot wind ignition under bed, usually need to carry out water-cooled to air distribution plate, the thermal stresses brought to avoid high-temperature hot-air.
The air-distributing device of wind-distributing pipe formula normally by many substantially parallel, to form with the wind-distributing pipe of blast cap, also can not establish blast cap for during compact simplified fluidized-bed parts, only perforate on wind-distributing pipe.
There are two defects in the existing fluidized-bed air-distributing device for boiler or vapourizing furnace, one be end slag by the interstitial row flake hearth-tapping between scum pipe or wind-distributing pipe, cause that namely high temperature bottom slag is cooled is discharged burner hearth, fail to make full use of its sensible heat; Another defect is, due to the needs of support bed material, water-cooled and even distributing wind, it is no matter the gap between slag-drip opening or wind-distributing pipe, the end slag being all difficult to make granularity larger passes through smoothly, such as slag-drip opening diameter is crossed conference and is directly caused air distribution plate water cooling tube difficult arrangement, wind-distributing pipe tube spacing is excessive, means the minimizing of the blast cap quantity that burner hearth bottom can be arranged, unfavorable to even distributing wind; Particularly in fluidized-bed gasification furnace, in order to pursue higher efficiency of carbon conversion, needing to adopt higher temperature of reaction, and at high temperature easily occurring local coking, produce larger coke button, in biomass direct-fired circular fluid bed, biomass ash easily bonds, and also easily produces larger caking, if these coke buttons or caking can not be discharged in time, just will pile up at burner hearth bottom, affect the normal fluidisation in stove, and finally cause vapourizing furnace or boiler normally to run.
Summary of the invention
For solving at least one aspect of technical problem of the prior art, the present invention is proposed.
According to an aspect of the present invention, propose a kind of air-distributing device of the fluidized-bed for boiler or vapourizing furnace, comprising: an air intake house steward; Multiple wind-distributing pipe, one end of each wind-distributing pipe is communicated with a described air intake house steward; Multiple blast cap, in the outlet that the other end that described multiple blast cap is set to corresponding wind-distributing pipe is respectively formed, wherein: at least two wind-distributing pipes are arranged in nonparallel mode, and the gap between wind-distributing pipe forms slag passage at the bottom of burner hearth.Further, between described one end of at least one wind-distributing pipe and the described the other end, be provided with at least one air outlet, and the part in multiple blast cap is arranged at least one air outlet described.
Advantageously, air intake house steward at least partially and/or each wind-distributing pipe at least partially in boiler or gasifier operation process by burner hearth at the bottom of slag bury.
Advantageously, described wind-distributing pipe is supported by described air intake house steward.
Alternatively, described air intake house steward is formed as the air intake pipe ring be circular layout, and each wind-distributing pipe communicates with described air intake pipe ring.
Advantageously, each wind-distributing pipe extends towards burner hearth inside.
Advantageously, a wind-distributing pipe extends to the center of burner hearth cross section, and the length of other wind-distributing pipe is equal and be less than the length of the wind-distributing pipe at the center extending to burner hearth cross section, and described other wind-distributing pipe is arranged at equal intervals along described air intake pipe ring.
Further, the outlet of each wind-distributing pipe is provided with a blast cap; Or the outlet of each wind-distributing pipe is provided with multiple blast cap, each blast cap is communicated with corresponding wind-distributing pipe by a cloth wind arm.
Alternatively, described wind-distributing pipe is divided into two groups, and one group extends towards burner hearth center, and another group extends away from burner hearth center, and each group is all arranged at equal intervals along described air intake pipe ring.Further, the outlet of each wind-distributing pipe is provided with a blast cap; Or the outlet of each wind-distributing pipe is provided with multiple blast cap, each blast cap is communicated with corresponding wind-distributing pipe by a cloth wind arm.
Alternatively, described air intake house steward also comprises and to communicate with air intake pipe ring and to extend to the air intake take-off pipe at air intake pipe ring center, the end of air intake take-off pipe extends towards the top vertical of burner hearth, and each wind-distributing pipe is arranged on described blast pipe end and communicates with described air intake take-off pipe.Further, a wind-distributing pipe is arranged on air intake pipe ring center, remaining wind-distributing pipe with air intake pipe ring center be the center of circle, spaced apart equal angular be star arrange.
Alternatively, an end of described air intake house steward extends to the center of burner hearth cross section and the top vertical towards burner hearth extends, and described multiple wind-distributing pipe is arranged on the described end of air intake house steward.Further, a wind-distributing pipe is arranged on air intake pipe ring center, remaining wind-distributing pipe with the center, a described end of air intake house steward be the center of circle, spaced apart equal angular be star arrange.Advantageously, the length of remaining wind-distributing pipe described is identical, and is angularly arranged at interval on the described end of air intake house steward.
Advantageously, described air intake house steward to pass in burner hearth from burner hearth bottom and upwards extends in bending mode.
Advantageously, described multiple wind-distributing pipe comprises two groups of wind-distributing pipes, one group of wind-distributing pipe each there is the first length, another group wind-distributing pipe each there is the second length being greater than the first length, and two groups of wind-distributing pipes are all arranged on the described end of air intake house steward.Further, each group wind-distributing pipe is all parallel to described burner hearth cross section and is angularly arranged at interval on the described end of air intake house steward.
According to another aspect of the invention, propose a kind of air-distributing device of the fluidized-bed for boiler or vapourizing furnace, comprising: at least two air intake house stewards; At least two group wind-distributing pipes, the one end of each wind-distributing pipe in each group wind-distributing pipe is communicated with an air intake house steward of corresponding at least two air intake house stewards; Multiple blast cap, in the outlet that the other end that described multiple blast cap is set to corresponding wind-distributing pipe is respectively formed, wherein: at least one group of wind-distributing pipe, at least two wind-distributing pipes are arranged in nonparallel mode and gap between wind-distributing pipe is formed slag passage at the bottom of burner hearth.
Particularly, described air-distributing device comprises two air intake house stewards and two groups of wind-distributing pipes, wherein, and one in two the air intake house stewards side cloth wind to burner hearth, and another the opposite side cloth wind to burner hearth in two air intake house stewards; Or, one in two the air intake house stewards central zone cloth wind to burner hearth, and another the outer peripheral areas cloth wind around central zone to burner hearth in two air intake house stewards.
In accordance with a further aspect of the present invention, propose a kind of fluidized-bed combustion boiler or fluidized-bed gasification furnace, comprising: burner hearth, there is slag outlet at the bottom of the burner hearth being arranged on burner hearth bottom; With the above-mentioned air-distributing device being arranged on slag outlet top at the bottom of described burner hearth, wherein, slag at the bottom of burner hearth exports discharge by slag passage at the bottom of described burner hearth by slag at the bottom of described burner hearth.
By hereinafter reference accompanying drawing description made for the present invention, other object of the present invention and advantage will be apparent, and can help there is comprehensive understanding to the present invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air-distributing device of the fluidized-bed for boiler or vapourizing furnace according to an embodiment of the invention, and wherein figure below is schematic top plan view;
Fig. 2 is the schematic diagram of the air-distributing device of the fluidized-bed for boiler or vapourizing furnace according to still another embodiment of the invention, and wherein figure below is schematic top plan view;
Fig. 3 is the schematic top plan view of the air-distributing device of the fluidized-bed for boiler or vapourizing furnace according to still a further embodiment.
Fig. 4 is the schematic diagram of the air-distributing device of the fluidized-bed for boiler or vapourizing furnace according to still a further embodiment, and wherein figure below is schematic top plan view.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.The explanation of following reference accompanying drawing to embodiment of the present invention is intended to make an explanation to present general inventive concept of the present invention, and not should be understood to one restriction of the present invention.
As shown in figs. 1-4, air-distributing device 100 comprises: an air intake house steward 1; Multiple wind-distributing pipe 2, one end of each wind-distributing pipe 2 is communicated with air intake house steward 1; Multiple blast cap 3, in the outlet that the other end that multiple blast cap 3 is set to corresponding wind-distributing pipe 2 is respectively formed, wherein: at least two wind-distributing pipes are arranged in nonparallel mode and gap between wind-distributing pipe 2 is formed slag passage 4 at the bottom of burner hearth.Such as, in fig. 1, the form of roughly star is arranged between wind-distributing pipe 2.Because at least two wind-distributing pipes are arranged in nonparallel mode, this just makes the gap between wind-distributing pipe basically identical unlike being arranged in parallel, but one end is narrower, the other end is wider, wide place is enough to ensure that larger end slag passes through smoothly, therefore, while providing enough wide end slag passage, abundant blast cap can also be arranged at burner hearth bottom.
Such as, for vapourizing furnace, for improving the efficiency of carbon conversion of gasification reaction, need improve the temperature of vapourizing furnace as much as possible, in fluidized-bed gasification furnace, vapourizing furnace bottom temp is the highest and be in oxidation zone, easy slagging scorification bottom vapourizing furnace, traditional air distribution plate or wind-distributing pipe are difficult to discharge these large slags.And according to technique scheme, the gap between wind-distributing pipe 2 forms slag passage 4 at the bottom of burner hearth, the such as shape shown in accompanying drawing 1-4, as the air-distributing device of candlestick, does not have traditional air distribution plate, utilizes the gap between wind-distributing pipe 2 can discharge large slag smoothly.
On traditional air-distributing device, be out of shape to prevent air distribution plate, general employing water-cooled distributor, air distribution plate own wt is not only made greatly to increase, and in vapourizing furnace, the heat that the water coolant of air distribution plate is taken away becomes the thermosteresis of burner hearth that should be adiabatic, have impact on thermo-efficiency and the gas quality of system.And because the air-distributing device that the present invention proposes does not have air distribution plate, and in the outlet that formed of the other end that blast cap is set to corresponding wind-distributing pipe, wind-distributing pipe and blast cap can free expansions in burner hearth, thus do not need to cool.
Blast cap 3 can be embedded reverse-flow blast cap, inlay porous section blast cap, bell-type windshield, mushroom-shaped blast cap, T-shaped blast cap or wind cap etc.
In addition, although above-mentioned for vapourizing furnace, technique scheme also may be used for other fluidized-bed combustion boiler, such as the same biomass boiler easily producing slag at the bottom of bulk.
This air-distributing device 100, except the cloth wind that can be used for air, can also be used for the cloth wind of oxygen-rich air or pure oxygen.
It is pointed out that air intake house steward 1 at least partially and/or each wind-distributing pipe 2 at least partially in boiler or gasifier operation process by burner hearth at the bottom of slag bury.
When adopting traditional air distribution plate, the end slag of discharge utilizes lag cooler to cool, and a large amount of sensible heats is not utilized by boiler.On the contrary, in the present invention, because air intake house steward 1 at least partially and/or each wind-distributing pipe 2 be buried in slag at the bottom of burner hearth in boiler or gasifier operation process at least partially, such as, before vaporized chemical enters the reaction zone of vapourizing furnace burner hearth, the heat of discharging end slag can be utilized to carry out preheating to vaporized chemical, thus improve thermo-efficiency; After vaporized chemical is preheated, the sensible heat bringing vapourizing furnace into increases, and reduces the combustion share of fuel in stove, thus effectively reduces the nitrogen that vaporized chemical in coal gas is brought into and the share of burning the carbonic acid gas produced, effective constituent concentration in coal gas is increased, improves gas quality.
In order to make full use of end slag sensible heat, carry out preheating to the air or vaporized chemical entering burner hearth, air intake house steward penetrates burner hearth from furnace bottom side horizontal, more upwards extend, be communicated with wind-distributing pipe; Also immediately below furnace bottom, burner hearth bottom can be penetrated straight up, make air or vaporized chemical pass into the flow direction of burner hearth contrary with the travel direction that end slag discharges burner hearth; The total length that air intake house steward and air intake take-off pipe are arranged on burner hearth bottom can also be extended as far as possible, such as adopt the air intake house steward of annular, or air intake house steward is serpentine tube or coil design, to increase the heat interchanging area between end slag and air or vaporized chemical, what go out as shown in Figure 4 is such.
As shown in accompanying drawing 1-4, wind-distributing pipe 2 can be supported by air intake house steward 1.But, wind-distributing pipe 2 also can adopt other support or fixed form, such as, the fixing of wind-distributing pipe 2 is realized by the strut member be arranged on below wind-distributing pipe 2, this strut member can be fixed on burner hearth bottom in one end, the stable support of the other end below wind-distributing pipe 2, and allows wind-distributing pipe 2 free expansion in the horizontal direction.
The operational process of air-distributing device is described for accompanying drawing 1 below.Air (oxygen enrichment or pure oxygen) enters from air intake house steward 1, then by the uniformly distributing of each wind-distributing pipe 2 to blast cap 3, the end slag of burner hearth 1 is by the gap between blast cap 3 and wind-distributing pipe 2, discharged by the mud hole 8 of burner hearth bottom, air (oxygen enrichment or pure oxygen) in air intake house steward 1 with wind-distributing pipe 2 by high temperature bottom slag preheating after, enter burner hearth 9 equably through blast cap 3, simultaneously, end slag is partly cooled, and its heat is brought in burner hearth 9, improves the thermo-efficiency of system.
As Figure 2-3, air intake house steward 1 is formed as the air intake pipe ring 10 be circular layout, and each wind-distributing pipe 2 is communicated with described air intake pipe ring 10 by air intake take-off pipe 6.
As shown in Figure 2, air intake house steward 1 is formed as the air intake pipe ring 10 be circular layout, and air intake house steward 1 also comprises and to communicate with air intake pipe ring 10 and to extend to the air intake take-off pipe 6 at air intake pipe ring 10 center, the end of air intake take-off pipe 6 extends towards the top vertical of burner hearth, and each wind-distributing pipe 2 is arranged on air intake take-off pipe 6 end and communicates with air intake take-off pipe 6.Alternatively, a wind-distributing pipe 2 is arranged on air intake pipe ring 10 center, remaining wind-distributing pipe be parallel to described burner hearth cross section, with air intake pipe ring center be the center of circle, spaced apart equal angular be star arrange.Such as, in fig 2, be provided with four wind-distributing pipes 2, and one of them wind-distributing pipe 2 is arranged on the center of air intake pipe ring 10, the spaced apart 120 degree of settings of other three wind-distributing pipes 2.
Although need special it is noted that " remaining wind-distributing pipe is parallel to described burner hearth cross section ", remaining wind-distributing pipe also can height location in the short transverse of burner hearth different.Namely " remaining wind-distributing pipe with air intake pipe ring center be the center of circle, spaced apart equal angular is that star is arranged " include remaining wind-distributing pipe and be parallel to the situation of described burner hearth cross section and the different situation of the height location of remaining wind-distributing pipe in the short transverse of burner hearth.
Advantageously, each wind-distributing pipe 2 extends towards burner hearth 9 inside.As shown in Figure 3, a wind-distributing pipe 2 extends to the center of burner hearth cross section, and the length of other wind-distributing pipe 2 is equal and be less than the length of the wind-distributing pipe at the center extending to burner hearth cross section, and described other wind-distributing pipe is arranged at equal intervals along described air intake pipe ring 10.Such as, in fig. 3, the position equidistant apart or angularly spaced apart of each wind-distributing pipe of expression on air intake pipe ring 10 is arranged at equal intervals.The outlet of each wind-distributing pipe 2 can be provided with a blast cap 3; Or the outlet of each wind-distributing pipe 2 is provided with multiple blast cap 3, each blast cap is communicated with corresponding wind-distributing pipe 2 by a cloth wind arm 5.Particularly, as shown in Figure 3, the outlet of each wind-distributing pipe 2 is provided with the center that four cloth wind arms, 5, cloth wind arm 5 is arranged on four cloth wind arms 5, and other three cloth wind arms 5 that length is identical are arranged with being spaced apart from each other 120 degree.
Although do not illustrate, wind-distributing pipe 2 also can be divided into many groups, and for two groups, one group extends towards burner hearth center, and another group extends away from burner hearth center, and each group all moves into airduct ring 10 and arranges at equal intervals; For three groups, one group extends towards burner hearth center, and another group extends away from burner hearth center, and the 3rd group vertically extends, and each group all moves into airduct ring 10 and arranges at equal intervals.Equally, in the case, the outlet of each wind-distributing pipe 2 can be provided with a blast cap 3; Or the outlet of each wind-distributing pipe 2 is provided with multiple blast cap 3, each blast cap is communicated with corresponding wind-distributing pipe 2 by a cloth wind arm 5.
As shown in fig. 1, an end 7 of air intake house steward 1 extends to the center of burner hearth cross section and the top vertical towards burner hearth extends, and multiple wind-distributing pipe 2 is arranged on the end 7 of air intake house steward 1.
Further, a wind-distributing pipe 2 is arranged on the center of burner hearth cross section, remaining wind-distributing pipe 2 be parallel to described burner hearth cross section, with a described end of air intake house steward be the center of circle, spaced apart equal angular be star arrange.As shown in fig. 1, the length of remaining wind-distributing pipe 2 is identical, and is parallel to described burner hearth cross section and is angularly arranged at interval on the end 7 of air intake house steward 1, and in fig. 1, six wind-distributing pipes 2 are opened with 60 degree of angle intervals.
Optionally, an end 7 of air intake house steward 1 extends to the center of burner hearth cross section and the top vertical towards burner hearth extends, and multiple wind-distributing pipe 2 is arranged on the end 7 of air intake house steward 1, burner hearth cross-section center does not establish wind-distributing pipe, all wind-distributing pipe 2 homoclines extend upward, and laying respectively in one group of plane intersecting at the vertical straight line at the place, the center of circle of air intake house steward, this group plane is spaced apart with equal angular.In figure 4, four wind-distributing pipes 2 are all to become oblique top, the direction at 30 degree of angles to extend with burner hearth cross section, end extends to the top vertical towards burner hearth; Four wind-distributing pipes 2 lay respectively in the plane at 4 90 degree, intervals successively.
Although do not illustrate, multiple wind-distributing pipe 2 can comprise organizes wind-distributing pipe more, for two groups of wind-distributing pipes, each in one group of wind-distributing pipe has the first length, each in another group wind-distributing pipe has the second length being greater than the first length, and two groups of wind-distributing pipes are all parallel to described burner hearth cross sectional arrangement on the end 7 of air intake house steward 1.Advantageously, each group wind-distributing pipe is all parallel to described burner hearth cross section and is angularly arranged at interval on the end 7 of air intake house steward.Equally, the outlet of each wind-distributing pipe 2 can be provided with a blast cap 3 (as shown in fig. 1); Or with similar in accompanying drawing 3, the outlet of each wind-distributing pipe 2 is provided with multiple blast cap 3, and each blast cap is communicated with corresponding wind-distributing pipe 2 by a cloth wind arm 5.
The air-distributing device 100 described above with reference to accompanying drawing 1-4 all just comprises an air intake house steward, and but, air-distributing device also can comprise multiple air intake house steward.When comprising multiple air intake house steward, air-distributing device comprises: at least two group wind-distributing pipes, and the one end of each wind-distributing pipe in each group wind-distributing pipe is communicated with an air intake house steward of corresponding in multiple air intake house steward; Multiple blast cap, in the outlet that the other end that described multiple blast cap is set to corresponding wind-distributing pipe is respectively formed, wherein: at least one group of wind-distributing pipe, at least two wind-distributing pipes are arranged in nonparallel mode and gap between wind-distributing pipe is formed slag passage at the bottom of burner hearth.Particularly, although do not illustrate, such as, when arranging two air intake house stewards, one in two the air intake house stewards side cloth wind can be responsible for burner hearth, and another can be responsible for the opposite side cloth wind to burner hearth; Or one in two air intake house stewards can to the central zone cloth wind of burner hearth, and another can to the outer peripheral areas cloth wind around central zone of burner hearth.Air intake house steward can be the form of pipe or pipe ring equally, and certainly, according to actual needs, the air intake house steward of air-distributing device also can adopt other arrangement form.
The present invention also relates to a kind of fluidized-bed combustion boiler or vapourizing furnace, comprising: burner hearth 9, there is slag outlet 8 at the bottom of the burner hearth being arranged on burner hearth bottom; With any one air-distributing device above-mentioned be arranged on above slag outlet 8 at the bottom of burner hearth, wherein, slag at the bottom of burner hearth exports 8 by slag passage 4 at the bottom of burner hearth by slag at the bottom of burner hearth and discharges.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can change these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (5)
1., for an air-distributing device for the fluidized-bed of boiler or vapourizing furnace, comprising:
An air intake house steward;
Multiple wind-distributing pipe, one end of each wind-distributing pipe is communicated with a described air intake house steward;
Multiple blast cap, in the outlet that the other end that described multiple blast cap is separately positioned on corresponding wind-distributing pipe is formed,
Wherein:
At least two adjacent wind-distributing pipes are arranged in nonparallel mode and gap between described adjacent wind-distributing pipe is formed slag passage at the bottom of burner hearth;
Described air intake house steward is formed as the air intake pipe ring be circular layout, and air intake pipe ring comprises the multiple air intake take-off pipes communicated with it, and each air intake take-off pipe extends towards burner hearth inside;
Each wind-distributing pipe is communicated with described air intake pipe ring by corresponding air intake take-off pipe;
Described air intake pipe ring comprises multiple air intake take-off pipe, an air intake take-off pipe extends to the center of burner hearth cross section, and the length of other air intake take-off pipe is equal and be less than the length of the air intake take-off pipe at the center extending to burner hearth cross section, and described other air intake take-off pipe is arranged at equal intervals along described air intake pipe ring.
2. air-distributing device according to claim 1, wherein:
Be provided with at least one air outlet between described one end of at least one wind-distributing pipe and the described the other end, and the part in multiple blast cap is arranged at least one air outlet described.
3. air-distributing device according to claim 1, wherein:
Air intake house steward at least partially and/or each wind-distributing pipe at least partially in boiler or gasifier operation process by burner hearth at the bottom of slag bury.
4. air-distributing device according to claim 1, wherein:
Described wind-distributing pipe is supported by described air intake house steward.
5. fluidized-bed combustion boiler or a fluidized-bed gasification furnace, comprising:
Burner hearth, has slag outlet at the bottom of the burner hearth being arranged on burner hearth bottom; With
Be arranged on the air-distributing device according to any one of claim 1-4 of slag outlet top at the bottom of described burner hearth, wherein, slag at the bottom of burner hearth exports discharge by slag passage at the bottom of described burner hearth by slag at the bottom of described burner hearth.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010544418.0A CN102466224B (en) | 2010-11-12 | 2010-11-12 | Air distribution device of fluidized bed and boiler or gasification furnace with air distribution device |
| CN201410640100.0A CN104344402B (en) | 2010-11-12 | 2010-11-12 | The air-distribution device of fluid bed and boiler or the gasification furnace with it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010544418.0A CN102466224B (en) | 2010-11-12 | 2010-11-12 | Air distribution device of fluidized bed and boiler or gasification furnace with air distribution device |
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| CN201410640100.0A Division CN104344402B (en) | 2010-11-12 | 2010-11-12 | The air-distribution device of fluid bed and boiler or the gasification furnace with it |
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| CN102466224A CN102466224A (en) | 2012-05-23 |
| CN102466224B true CN102466224B (en) | 2015-03-25 |
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| CN105586092A (en) * | 2016-01-25 | 2016-05-18 | 舒瑞 | Staggered bed gasification device and method capable of automatically correcting fire deviation layer |
| CN107448932B (en) * | 2017-09-19 | 2023-08-15 | 安徽科达洁能股份有限公司 | Air distribution device of fluidized bed reactor |
| CN107842850B (en) * | 2017-09-28 | 2019-02-22 | 青岛大学 | A kind of fluidized bed combustor |
| CN109321280B (en) * | 2018-11-06 | 2024-03-08 | 安徽科达洁能股份有限公司 | Air distribution device of fluidized bed reactor and use method thereof |
| CN109323266A (en) * | 2018-11-13 | 2019-02-12 | 浙江物华天宝能源环保有限公司 | A kind of tubular distributor suitable for fluidized combustion rubbish |
| CN110360845B (en) * | 2019-07-10 | 2021-12-03 | 钢铁研究总院 | Air distributor system used in gas-solid heat exchange process and gas-solid heat exchange method |
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| SU1149105A1 (en) * | 1983-11-17 | 1985-04-07 | Предприятие П/Я А-3513 | Bluidized bed furnace |
| CN1167899A (en) * | 1996-04-15 | 1997-12-17 | 克瓦纳尔纸浆制造有限公司 | Grate assembly for fluidized bed boiler |
| CN1474086A (en) * | 2003-08-08 | 2004-02-11 | 浙江大学 | Garbage incinerator integrating fluidized incineration and moving cold slag into one integral and method |
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| Publication number | Publication date |
|---|---|
| CN102466224A (en) | 2012-05-23 |
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Effective date of registration: 20180503 Address after: 238000, two floor, Shen Gong machinery factory, Chaohu, Hefei, Anhui. Patentee after: Hefei Coal Gasification Technology Co., Ltd. Address before: 100190 North four Ring West Road, Beijing City No. 11 Patentee before: Institute of Engineering Thermophysics, Chinese Academy of Sciences |