CN102466224A - 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
- Publication number
- CN102466224A CN102466224A CN2010105444180A CN201010544418A CN102466224A CN 102466224 A CN102466224 A CN 102466224A CN 2010105444180 A CN2010105444180 A CN 2010105444180A CN 201010544418 A CN201010544418 A CN 201010544418A CN 102466224 A CN102466224 A CN 102466224A
- Authority
- CN
- China
- Prior art keywords
- wind
- air
- air intake
- distributing pipe
- burner hearth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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-distribution device of the fluid bed that is used for boiler or gasification furnace and have its boiler or gasification furnace.
Background technology
The air-distribution device of fluid bed is the important component part of fluid bed, and existing fluid bed air-distribution device mainly contains two kinds of forms, and a kind of is air distribution plate, and another kind is a wind-distributing pipe.
The air-distribution device of air distribution plate formula is made up of with slag-drip opening and the scum pipe that passes air compartment on being connected air distribution plate the air compartment of the air distribution plate that has blast cap, air distribution plate below usually, and its major function comprises: (1) support bed material; (2) even distributing wind avoids occurring in the burner hearth fluidisation dead band; (3) prevent the bed material air compartment that bleeds; (4) discharge end slag.The air distribution plate that is used for fluidized-bed combustion boiler and gasification furnace requires enough rigidity and intensity, weight that not only can the support bed material, and when banking fire and hot wind ignition, and air distribution plate can temperature distortion; Under adopting bed, during hot wind ignition, need carry out water-cooled to air distribution plate usually, with the thermal stress of avoiding high-temperature hot-air to bring.
The air-distribution device of wind-distributing pipe formula wind-distributing pipe normally substantially parallel by many, that have blast cap is formed, and also can not establish blast cap, only perforate on wind-distributing pipe when being used for compact simplified fluid bed parts.
There are two defectives in the existing fluid bed air-distribution device that is used for boiler or gasification furnace, and the one, end slag goes out burner hearth through the interstitial row between scum pipe or wind-distributing pipe, causes at the bottom of the high temperature slag not to be cooled and promptly is discharged from burner hearth, fails to make full use of its sensible heat; Another defective is; Because the needs of support bed material, water-cooled and even distributing wind; No matter be the gap between slag-drip opening or wind-distributing pipe, all be difficult to let the bigger end slag of granularity pass through smoothly, for example the slag-drip opening diameter is crossed conference and is directly caused air distribution plate water cooling tube difficult arrangement; The excessive minimizing that then means the blast cap quantity that burner hearth bottom can be arranged of wind-distributing pipe tube pitch, unfavorable to even distributing wind; Particularly in fluidized-bed gasification furnace,, need to adopt higher reaction temperature in order to pursue higher efficiency of carbon con version; And local coking at high temperature appears easily, produce bigger coke button, in biomass direct-fired CFBB; The living beings ash is prone to bond, and also is prone to produce bigger caking, if these coke buttons or caking can not be by timely discharges; Just will pile up, influence the normal fluidisation in the stove, and finally cause gasification furnace or boiler normally to move at burner hearth bottom.
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, proposed a kind of air-distribution device that is used for the fluid bed of boiler or gasification furnace, having comprised: an air intake house steward; A plurality of wind-distributing pipes, an end of each wind-distributing pipe is communicated with a said air intake house steward; A plurality of blast caps, said a plurality of blast caps are set to respectively in the formed outlet of the other end of corresponding wind-distributing pipe, wherein: at least two wind-distributing pipes are arranged with nonparallel mode, and slag passage at the bottom of the formation burner hearth of the gap between the wind-distributing pipe.Further, be provided with at least one air outlet between a said end of at least one wind-distributing pipe and the said other end, and the part in a plurality of blast cap is arranged on said at least one air outlet.
Advantageously, at least a portion of at least a portion of air intake house steward and/or each wind-distributing pipe in boiler or gasifier operation process by burner hearth at the bottom of slag bury.
Advantageously, said wind-distributing pipe is supported by said air intake house steward.
Alternatively, said air intake house steward forms the air intake pipe ring that is circular layout, and each wind-distributing pipe all communicates with said air intake pipe ring.
Advantageously, each wind-distributing pipe is all towards the inner extension of burner hearth.
Advantageously, a wind-distributing pipe extends to the center of burner hearth cross section, and the equal in length of other wind-distributing pipe and less than the length of the wind-distributing pipe at the center that extends to the burner hearth cross section, and said other wind-distributing pipe is uniformly-spaced arranged along said air intake pipe ring.
Further, the outlet of each wind-distributing pipe is provided with a blast cap; Perhaps the outlet of each wind-distributing pipe is provided with a plurality of blast caps, and each blast cap is communicated with a corresponding wind-distributing pipe through a cloth wind arm.
Alternatively, said wind-distributing pipe is divided into two groups, one group of extension towards the burner hearth center, and another group is extended away from the burner hearth center, and each group is all uniformly-spaced arranged along said air intake pipe ring.Further, the outlet of each wind-distributing pipe is provided with a blast cap; Perhaps the outlet of each wind-distributing pipe is provided with a plurality of blast caps, and each blast cap is communicated with a corresponding wind-distributing pipe through a cloth wind arm.
Alternatively; Said air intake house steward also comprises an air intake branched pipe that communicates with the air intake pipe ring and extend to air intake pipe ring center; The end of air intake branched pipe vertically extends towards the top of burner hearth, and each wind-distributing pipe all is arranged on said blast pipe end and communicates with said air intake branched pipe.Further, a wind-distributing pipe is arranged on air intake pipe ring center, and remaining wind-distributing pipe is that the center of circle, spaced apart equal angular are the star setting with air intake pipe ring center.
Alternatively, said air intake house steward's a end extends to the center of burner hearth cross section and vertically extends towards the top of burner hearth, and said a plurality of wind-distributing pipe is arranged on air intake house steward's the said end.Further, a wind-distributing pipe is arranged on air intake pipe ring center, and remaining wind-distributing pipe is that the center of circle, spaced apart equal angular are the star setting with air intake house steward's center, a said end.Advantageously, the length of said remaining wind-distributing pipe is identical, and equal angles is turned up the soil at interval and is arranged on air intake house steward's the said end.
Advantageously, said air intake house steward feeds in the burner hearth and extends upward with the mode of bending from burner hearth bottom.
Advantageously, said a plurality of wind-distributing pipes comprise two groups of wind-distributing pipes, and each all has first length one group of wind-distributing pipe, and each all has second length greater than first length another group wind-distributing pipe, and two groups of wind-distributing pipes all are arranged on air intake house steward's the said end.Further, each group wind-distributing pipe all is parallel to said burner hearth cross section equal angles and turns up the soil at interval and be arranged on air intake house steward's the said end.
According to another aspect of the invention, proposed a kind of air-distribution device that is used for the fluid bed of boiler or gasification furnace, having comprised: at least two air intake house stewards; At least two group wind-distributing pipes, an end of each wind-distributing pipe of each group in wind-distributing pipe all with at least two air intake house stewards in a corresponding air intake house steward be communicated with; A plurality of blast caps; Said a plurality of blast cap is set to respectively in the formed outlet of the other end of corresponding wind-distributing pipe; Wherein: at least one group of wind-distributing pipe, at least two wind-distributing pipes arrange with nonparallel mode and wind-distributing pipe between the gap constitute slag passage at the bottom of the burner hearth.
Particularly, said air-distribution device comprises two air intake house stewards and two groups of wind-distributing pipes, wherein, and a side cloth wind among two air intake house stewards, and another the opposite side cloth wind among two air intake house stewards to burner hearth to burner hearth; Perhaps, one among two air intake house stewards to the central area of burner hearth cloth wind, and another the outer peripheral areas cloth wind around the central area to burner hearth among two air intake house stewards.
In accordance with a further aspect of the present invention, proposed a kind of fluidized-bed combustion boiler or fluidized-bed gasification furnace, having comprised: burner hearth has slag outlet at the bottom of the burner hearth that is arranged on burner hearth bottom; With the above-mentioned air-distribution device that is arranged on slag outlet top at the bottom of the said burner hearth, wherein, at the bottom of the burner hearth slag through slag passage at the bottom of the said burner hearth by said burner hearth at the bottom of the slag outlet discharge.
Through hereinafter with reference to accompanying drawing to the description that the present invention did, other purpose of the present invention and advantage will be obvious, and can help that the present invention is had comprehensive understanding.
Description of drawings
Fig. 1 is the sketch map of the air-distribution device of the fluid bed that is used for boiler or gasification furnace according to an embodiment of the invention, and wherein figure below is a schematic top plan view;
Fig. 2 is the sketch map of the air-distribution device of the fluid bed that is used for boiler or gasification furnace according to still another embodiment of the invention, and wherein figure below is a schematic top plan view;
Fig. 3 is the schematic top plan view of the air-distribution device of the fluid bed that is used for boiler or gasification furnace according to still a further embodiment.
Fig. 4 is the sketch map of the air-distribution device of the fluid bed that is used for boiler or gasification furnace according to still a further embodiment, and wherein figure below is a schematic top plan view.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.In specification, same or analogous drawing reference numeral is indicated same or analogous parts.Following explanation to embodiment of the present invention is intended to present general inventive concept of the present invention is made an explanation with reference to accompanying drawing, and is not to be understood that to a kind of restriction of the present invention.
Shown in Fig. 1-4, air-distribution device 100 comprises: an air intake house steward 1; A plurality of wind-distributing pipes 2, an end of each wind-distributing pipe 2 is communicated with air intake house steward 1; A plurality of blast caps 3, a plurality of blast caps 3 are set to respectively in the formed outlet of the other end of corresponding wind-distributing pipe 2, wherein: at least two wind-distributing pipes arrange with nonparallel mode and wind-distributing pipe 2 between the gap constitute slag passage 4 at the bottom of the burner hearth.For example, in accompanying drawing 1, be arranged to the roughly form of star between the wind-distributing pipe 2.Because at least two wind-distributing pipes are arranged with nonparallel mode; This just makes gap between the wind-distributing pipe unlike the such basically identical that is arranged in parallel; But an end is narrower, other end broad; Therefore wide place is enough to guarantee that bigger end slag passes through smoothly, when enough wide end slag passage is provided, can also arrange abundant blast cap at burner hearth bottom.
For example, for gasification furnace, for improving the efficiency of carbon con version of gasification reaction; Need improve the temperature of gasification furnace as much as possible, in fluidized-bed gasification furnace, the gasification furnace bottom temp is the highest and be in zoneofoxidation; The slagging scorification easily of gasification furnace bottom, traditional air distribution plate or wind-distributing pipe are difficult to discharge these big slags.And according to technique scheme, slag passage 4 at the bottom of the gap formation burner hearth between the wind-distributing pipe 2, for example the air-distribution device of shape shown in the accompanying drawing 1-4 such as candlestick does not have traditional air distribution plate, utilizes the gap between the wind-distributing pipe 2 can discharge big slag smoothly.
On traditional air-distribution device; In order to prevent the air distribution plate distortion; The general water-cooled distributor that adopts not only makes the air distribution plate own wt increase greatly, and in gasification furnace; The heat that the cooling water of air distribution plate is taken away becomes the heat loss of burner hearth that should be adiabatic, has influenced the thermal efficiency and the gas quality of system.And because the air-distribution device that the present invention proposes does not have air distribution plate, and blast cap is set in the formed outlet of the other end of corresponding wind-distributing pipe, and wind-distributing pipe and blast cap can free wxpansions in burner hearth, thereby need not cool off.
In addition, though above-mentioned be example with the gasification furnace, technique scheme also can be used for other fluidized-bed combustion boiler, for example is easy to generate the biomass boiler of slag at the bottom of the bulk equally.
This air-distribution device 100 can also be used for the cloth wind of oxygen-enriched air or pure oxygen except the cloth wind that can be used for air.
At least a portion of at least a portion and/or each wind-distributing pipe 2 that it is pointed out that air intake house steward 1 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 cold slag machine cooling, and a large amount of sensible heats is not by the boiler utilization.On the contrary; In the present invention; Because at least a portion of at least a portion of air intake house steward 1 and/or each wind-distributing pipe 2 buries in slag at the bottom of the burner hearth in boiler or gasifier operation process, for example, before gasifying agent gets into the reaction zone of gasification furnace burner hearth; Can utilize the heat of discharging end slag that gasifying agent is carried out preheating, thereby improve the thermal efficiency; Gasifying agent by preheating after; The sensible heat of bringing gasification furnace into increases, and has reduced the combustion share of fuel in stove, thereby effectively reduces the share of the carbon dioxide of the nitrogen that gasifying agent is brought in the coal gas and the generation of burning; Make the active ingredient concentration in the coal gas increase, improved gas quality.
In order to make full use of end slag sensible heat, air or the gasifying agent that gets into burner hearth carried out preheating, the air intake house steward can be that level penetrates burner hearth from the furnace bottom side, extends upward, is communicated with wind-distributing pipe; Also can under furnace bottom, penetrate burner hearth bottom straight up, it is opposite with the moving direction of end slag discharge burner hearth to make air or gasifying agent feed the flow direction of burner hearth; Can also prolong the total length that air intake house steward and air intake branched pipe are arranged on burner hearth bottom as far as possible; Such as the air intake house steward who adopts annular; Perhaps the air intake house steward is coiled pipe or coil design, increasing the heat exchange area between end slag and air or the gasifying agent, as accompanying drawing 4 is shown.
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; For example, realize the fixing of wind-distributing pipe 2 by the support member that is arranged on wind-distributing pipe 2 belows, this support member can be fixed on burner hearth bottom by an end; The stable support of the other end and is allowed wind-distributing pipe 2 free wxpansion in the horizontal direction below wind-distributing pipe 2.
Be the running that example is described air-distribution device with accompanying drawing 1 below.Air (oxygen enrichment or pure oxygen) gets into from air intake house steward 1, gives blast cap 3 by each wind-distributing pipe 2 uniform distribution then, and the end slag of burner hearth 1 is through the gap between blast cap 3 and the wind-distributing pipe 2; Discharge by the mud hole of burner hearth bottom 8, air (oxygen enrichment or pure oxygen) in air intake house steward 1 and wind-distributing pipe 2 by high temperature at the bottom of after the slag preheating, get into burner hearth 9 equably through blast cap 3; Simultaneously; End slag is by the part cooling, and its heat is brought in the burner hearth 9, has improved the thermal efficiency of system.
Shown in Fig. 2-3, air intake house steward 1 forms the air intake pipe ring 10 that is circular layout, and each wind-distributing pipe 2 all communicates with said air intake pipe ring 10 through air intake branched pipe 6.
As shown in Figure 2; Air intake house steward 1 forms the air intake pipe ring 10 that is circular layout; And air intake house steward 1 also comprises an air intake branched pipe 6 that communicates with air intake pipe ring 10 and extend to air intake pipe ring 10 centers; The end of air intake branched pipe 6 vertically extends towards the top of burner hearth, and each wind-distributing pipe 2 all is arranged on air intake branched pipe 6 ends and communicates with air intake branched pipe 6.Alternatively, a wind-distributing pipe 2 is arranged on air intake pipe ring 10 centers, and remaining wind-distributing pipe is parallel to said burner hearth cross section, be that the center of circle, spaced apart equal angular are star and are provided with air intake pipe ring center.For example, in accompanying drawing 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, other three wind-distributing pipes, 2 spaced apart 120 degree settings.
Need be pointed out that specially, though " remaining wind-distributing pipe is parallel to said burner hearth cross section ",, remaining wind-distributing pipe also can be different at the height and position on the short transverse of burner hearth.Promptly " remaining wind-distributing pipe is that the center of circle, spaced apart equal angular are the star setting with air intake pipe ring center " comprised that remaining wind-distributing pipe is parallel to the situation and the different situation of the height and position of remaining wind-distributing pipe on the short transverse of burner hearth of said burner hearth cross section.
Advantageously, each wind-distributing pipe 2 is all towards burner hearth 9 inner extensions.As shown in Figure 3; A wind-distributing pipe 2 extends to the center of burner hearth cross section; And the equal in length of other wind-distributing pipe 2 and less than the length of the wind-distributing pipe at the center that extends to the burner hearth cross section, and said other wind-distributing pipe is uniformly-spaced arranged along said air intake pipe ring 10.For example, in accompanying drawing 3, arrange that uniformly-spaced position equidistant apart or the equal angles of each wind-distributing pipe of expression on air intake pipe ring 10 is spaced apart.The outlet of each wind-distributing pipe 2 can be provided with a blast cap 3; Perhaps the outlet of each wind-distributing pipe 2 is provided with a plurality of blast caps 3, and each blast cap is communicated with a corresponding wind-distributing pipe 2 through 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 5, one cloth wind of four cloth wind arms arm 5 is arranged on four cloth wind arms 5, and other three cloth wind arms 5 that length is identical are provided with being spaced apart from each other 120 degree.
Though do not illustrate, wind-distributing pipe 2 also can be divided into many groups, with two groups be example, one group is extended towards the burner hearth center, another group is extended away from the burner hearth center, and each group all moves into airduct ring 10 and uniformly-spaced arranges; With three groups be example, one group is extended towards the burner hearth center, another group is extended away from the burner hearth center, the 3rd group is vertically extended, and each group all moves into airduct ring 10 and uniformly-spaced arranges.Equally, in the case, the outlet of each wind-distributing pipe 2 can be provided with a blast cap 3; Perhaps the outlet of each wind-distributing pipe 2 is provided with a plurality of blast caps 3, and each blast cap is communicated with a corresponding wind-distributing pipe 2 through 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 vertically extends towards the top of burner hearth, and a plurality of wind-distributing pipe 2 is arranged on air intake house steward 1 the end 7.
Further, a wind-distributing pipe 2 is arranged on the center of burner hearth cross section, and remaining wind-distributing pipe 2 is parallel to said burner hearth cross section, be that the center of circle, spaced apart equal angular are star and are provided with air intake house steward's a said end.As shown in fig. 1, the length of remaining wind-distributing pipe 2 is identical, and is parallel to said burner hearth cross section equal angles and turns up the soil at interval on the end 7 that is arranged in air intake house steward 1, and in accompanying drawing 1, six wind-distributing pipes 2 are opened with 60 degree angle intervals.
Optional; An end 7 of air intake house steward 1 extends to the center of burner hearth cross section and vertically extends towards the top of burner hearth; And a plurality of wind-distributing pipes 2 are arranged on air intake house steward 1 the end 7, and the burner hearth cross-section center is not established wind-distributing pipe, and all wind-distributing pipes 2 are side's extension obliquely all; And lay respectively on the plane of vertical straight line at one group of place, the center of circle that intersects at the air intake house steward, this group plane is spaced apart with equal angular.In accompanying drawing 4, four wind-distributing pipes 2 all extend with the oblique top of the direction that becomes 30 degree angles with the burner hearth cross section, and are terminal to vertically extending towards the top of burner hearth; Four wind-distributing pipes 2 lay respectively on 4 planes that interval 90 is spent successively.
Though do not illustrate; A plurality of wind-distributing pipes 2 can comprise many group wind-distributing pipes; With two groups of wind-distributing pipes is example; In one group of wind-distributing pipe each all has first length, and each in another group wind-distributing pipe all has second length greater than first length, and two groups of wind-distributing pipes all are parallel to said burner hearth cross sectional arrangement on air intake house steward 1 end 7.Advantageously, each group wind-distributing pipe all is parallel to said burner hearth cross section equal angles and turns up the soil at interval on the end 7 that is arranged in the 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); Perhaps, with similar in the accompanying drawing 3, the outlet of each wind-distributing pipe 2 is provided with a plurality of blast caps 3, and each blast cap is communicated with through a cloth wind arm 5 and a corresponding wind-distributing pipe 2.
The air-distribution device of describing with reference to accompanying drawing 1-4 above 100 all just comprises an air intake house steward, and but, air-distribution device also can comprise a plurality of air intake house stewards.Under the situation that comprises a plurality of air intake house stewards, air-distribution device comprises: at least two group wind-distributing pipes, an end of each wind-distributing pipe of each group in wind-distributing pipe all with a plurality of air intake house stewards in a corresponding air intake house steward be communicated with; A plurality of blast caps; Said a plurality of blast cap is set to respectively in the formed outlet of the other end of corresponding wind-distributing pipe; Wherein: at least one group of wind-distributing pipe, at least two wind-distributing pipes arrange with nonparallel mode and wind-distributing pipe between the gap constitute slag passage at the bottom of the burner hearth.Particularly, though do not illustrate, for example, under the situation that two air intake house stewards are set, the side cloth wind that can be responsible for to burner hearth among two air intake house stewards, and another can be responsible for the opposite side cloth wind to burner hearth; Perhaps, among two air intake house stewards one can be to the central area of burner hearth cloth wind, and another can be to the outer peripheral areas cloth wind around the central area of burner hearth.The 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-distribution device also can adopt other arrangement form.
The present invention also relates to a kind of fluidized-bed combustion boiler or gasification furnace, comprising: burner hearth 9 has slag outlet 8 at the bottom of the burner hearth that is arranged on burner hearth bottom; Be arranged on above-mentioned any air-distribution device that slag at the bottom of the burner hearth exports 8 tops, wherein, slag is discharged by slag outlet 8 at the bottom of the burner hearth through slag passage 4 at the bottom of the burner hearth at the bottom of the burner hearth.
Although illustrated and described embodiments of the invention; For those of ordinary skill in the art; Be appreciated that under the situation that does not break away from principle of the present invention and spirit and can change that scope of the present invention is limited accompanying claims and equivalent thereof to these embodiment.
Claims (23)
1. air-distribution device that is used for the fluid bed of boiler or gasification furnace comprises:
An air intake house steward;
A plurality of wind-distributing pipes, an end of each wind-distributing pipe is communicated with a said air intake house steward;
A plurality of blast caps, said a plurality of blast caps are separately positioned in the formed outlet of the other end of corresponding wind-distributing pipe,
Wherein:
At least two wind-distributing pipes arrange with nonparallel mode and wind-distributing pipe between the gap constitute slag passage at the bottom of the burner hearth.
2. air-distribution device according to claim 1, wherein:
Be provided with at least one air outlet between a said end of at least one wind-distributing pipe and the said other end, and the part in a plurality of blast cap is arranged on said at least one air outlet.
3. air-distribution device according to claim 1, wherein:
At least a portion of air intake house steward and/or at least a portion of each wind-distributing pipe in boiler or gasifier operation process by burner hearth at the bottom of slag bury.
4. air-distribution device according to claim 1, wherein:
Said wind-distributing pipe is supported by said air intake house steward.
5. according to each described air-distribution device among the claim 1-4, wherein:
Said air intake house steward forms the air intake pipe ring that is circular layout, and
Each wind-distributing pipe all communicates with said air intake pipe ring.
6. air-distribution device according to claim 5, wherein:
Each wind-distributing pipe is all towards the inner extension of burner hearth.
7. air-distribution device according to claim 6, wherein:
A wind-distributing pipe extends to the center of burner hearth cross section, and
The equal in length of other wind-distributing pipe and less than the length of the wind-distributing pipe at the center that extends to the burner hearth cross section, and said other wind-distributing pipe is uniformly-spaced arranged along said air intake pipe ring.
8. air-distribution device according to claim 7, wherein:
The outlet of each wind-distributing pipe is provided with a blast cap; Perhaps
The outlet of each wind-distributing pipe is provided with a plurality of blast caps, and each blast cap is communicated with a corresponding wind-distributing pipe through a cloth wind arm.
9. air-distribution device according to claim 5, wherein:
Said wind-distributing pipe is divided into two groups, one group of extension towards the burner hearth center, and another group is extended away from the burner hearth center, and each group is all uniformly-spaced arranged along said air intake pipe ring.
10. air-distribution device according to claim 9, wherein:
The outlet of each wind-distributing pipe is provided with a blast cap; Perhaps
The outlet of each wind-distributing pipe is provided with a plurality of blast caps, and each blast cap is communicated with a corresponding wind-distributing pipe through a cloth wind arm.
11. air-distribution device according to claim 5, wherein:
Said air intake house steward also comprises an air intake branched pipe that communicates with the air intake pipe ring and extend to air intake pipe ring center, and the end of air intake branched pipe vertically extends towards the top of burner hearth,
Each wind-distributing pipe all is arranged on said air intake branched pipe end and communicates with said air intake branched pipe.
12. air-distribution device according to claim 11, wherein:
A wind-distributing pipe is arranged on air intake pipe ring center, and remaining wind-distributing pipe is that the center of circle, spaced apart equal angular are the star setting with air intake pipe ring center.
13. according to each described air-distribution device among the claim 1-4, wherein:
Said air intake house steward's a end extends to the center of burner hearth cross section and vertically extends towards the top of burner hearth, and said a plurality of wind-distributing pipe is arranged on air intake house steward's the said end.
14. air-distribution device according to claim 13, wherein:
A wind-distributing pipe is arranged on the center of burner hearth cross section, and remaining wind-distributing pipe is that the center of circle, spaced apart equal angular are the star setting with air intake house steward's a said end.
15. air-distribution device according to claim 14, wherein:
The length of said remaining wind-distributing pipe is identical, and is parallel to said burner hearth cross section equal angles and turns up the soil at interval and be arranged on air intake house steward's the said end.
16. air-distribution device according to claim 15, wherein:
Said a plurality of wind-distributing pipe comprises two groups of wind-distributing pipes; Each all has first length one group of wind-distributing pipe; Each all has second length greater than first length another group wind-distributing pipe, and two groups of wind-distributing pipes all are parallel to said burner hearth cross sectional arrangement on air intake house steward's said end.
17. air-distribution device according to claim 15, wherein:
Each group wind-distributing pipe all is parallel to said burner hearth cross section equal angles and turns up the soil at interval and be arranged on air intake house steward's the said end.
18. air-distribution device according to claim 13, wherein:
The outlet of each wind-distributing pipe is provided with a blast cap; Perhaps
The outlet of each wind-distributing pipe is provided with a plurality of blast caps, and each blast cap is communicated with through the wind-distributing pipe of a cloth wind arm with this blast cap place.
19. air-distribution device according to claim 13, wherein:
Said air intake house steward feeds in the burner hearth and extends upward with the mode of bending from burner hearth bottom.
20. an air-distribution device that is used for the fluid bed of boiler or gasification furnace comprises:
At least two air intake house stewards;
At least two group wind-distributing pipes, an end of each wind-distributing pipe of each group in wind-distributing pipe all with at least two air intake house stewards in a corresponding air intake house steward be communicated with;
A plurality of blast caps, said a plurality of blast caps are set to respectively in the formed outlet of the other end of corresponding wind-distributing pipe,
Wherein:
In at least one group of wind-distributing pipe, at least two wind-distributing pipes arrange with nonparallel mode and wind-distributing pipe between the gap constitute slag passage at the bottom of the burner hearth.
21. air-distribution device according to claim 20, wherein:
Said air-distribution device comprises two air intake house stewards and two groups of wind-distributing pipes, wherein, and a side cloth wind among two air intake house stewards, and another the opposite side cloth wind among two air intake house stewards to burner hearth to burner hearth.
22. air-distribution device according to claim 20, wherein:
Said air-distribution device comprises two air intake house stewards and two groups of wind-distributing pipes, and wherein, one among two air intake house stewards to the central area of burner hearth cloth wind, and another the outer peripheral areas cloth wind around the central area to burner hearth among two air intake house stewards.
23. fluidized-bed combustion boiler or fluidized-bed gasification furnace comprise:
Burner hearth has slag outlet at the bottom of the burner hearth that is arranged on burner hearth bottom; With
Be arranged on slag outlet top at the bottom of the said burner hearth according to each described air-distribution device among the claim 1-22, wherein, at the bottom of the burner hearth slag through slag passage at the bottom of the said burner hearth by said burner hearth at the bottom of the slag outlet discharge.
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 |
Applications Claiming Priority (1)
| 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 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466224A true CN102466224A (en) | 2012-05-23 |
| CN102466224B CN102466224B (en) | 2015-03-25 |
Family
ID=46070165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010544418.0A Active CN102466224B (en) | 2010-11-12 | 2010-11-12 | Air distribution device of fluidized bed and boiler or gasification furnace with air distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102466224B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221808A (en) * | 2016-01-25 | 2016-12-14 | 舒瑞 | The staggered bed gasifying apparatus of a kind of inclined fire bed of automatic correction and method |
| CN107448932A (en) * | 2017-09-19 | 2017-12-08 | 安徽科达洁能股份有限公司 | A kind of air-distribution device of fluidized-bed reactor |
| CN107842850A (en) * | 2017-09-28 | 2018-03-27 | 青岛大学 | A kind of fluidized bed combustor |
| CN109321280A (en) * | 2018-11-06 | 2019-02-12 | 安徽科达洁能股份有限公司 | A kind of air-distribution device and its application method of fluidized-bed reactor |
| 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 |
| CN110360845A (en) * | 2019-07-10 | 2019-10-22 | 钢铁研究总院 | Ventilation terminal system and gas-solid heat exchange method used in a kind of gas-solid heat exchange process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101475814A (en) * | 2009-01-20 | 2009-07-08 | 广州市宇联机电有限公司 | Multi-directional air distribution fixed bed biomass gasification stoves |
-
2010
- 2010-11-12 CN CN201010544418.0A patent/CN102466224B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101475814A (en) * | 2009-01-20 | 2009-07-08 | 广州市宇联机电有限公司 | Multi-directional air distribution fixed bed biomass gasification stoves |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221808A (en) * | 2016-01-25 | 2016-12-14 | 舒瑞 | The staggered bed gasifying apparatus of a kind of inclined fire bed of automatic correction and method |
| CN106221808B (en) * | 2016-01-25 | 2021-11-12 | 北京巨星新能源科技有限公司 | Staggered bed gasification device and method for automatically correcting biased fire layer |
| CN107448932A (en) * | 2017-09-19 | 2017-12-08 | 安徽科达洁能股份有限公司 | A kind of air-distribution device of fluidized-bed reactor |
| 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 |
| CN107842850A (en) * | 2017-09-28 | 2018-03-27 | 青岛大学 | A kind of fluidized bed combustor |
| CN109321280A (en) * | 2018-11-06 | 2019-02-12 | 安徽科达洁能股份有限公司 | A kind of air-distribution device and its application method of fluidized-bed reactor |
| 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 |
| CN110360845A (en) * | 2019-07-10 | 2019-10-22 | 钢铁研究总院 | Ventilation terminal system and gas-solid heat exchange method used in a kind of gas-solid heat exchange process |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102466224B (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102466224A (en) | Air distribution device of fluidized bed and boiler or gasification furnace with air distribution device | |
| CN102492478B (en) | Novel two-stage multi-nozzle pressurized gasifier and its gasification method | |
| CN101191662B (en) | Boiler | |
| US9803512B2 (en) | Reactor system and solid fuel composite therefor | |
| CN105586093A (en) | Gasification reactor with partial heat recovery device and gasification method by using gasification reactor | |
| CN101475814A (en) | Multi-directional air distribution fixed bed biomass gasification stoves | |
| CN104344402B (en) | The air-distribution device of fluid bed and boiler or the gasification furnace with it | |
| CN209243007U (en) | A kind of double circle of contact double-section dry coal powder pressurized-gasification furnaces | |
| CN205909261U (en) | Biomass circulating fluid bed boiler based on flow state reconsitution | |
| CN105779014B (en) | J-type airflow bed gasification furnace | |
| CN101280919B (en) | Forward and backward wall opposite rushing combustion boiler hearth as well as method for arranging air nozzle on side wall | |
| CN201343523Y (en) | Multi-wind-distribution fixed bed biomass gasification furnace | |
| CN104654289A (en) | Fluidized bed boiler for incinerating straws | |
| CN111117709A (en) | Gasification system for reducing temperature of hearth of gasification furnace | |
| CN104676617A (en) | Ash deposition resistance structure for incineration boiler flue | |
| CN204629539U (en) | Burning boiler flue accumulation prevention structure | |
| CN101538012B (en) | Device for preparing clean hydrogen-enriched fuel gas from biomass | |
| CN208562256U (en) | A kind of fluidized bed air-distribution device | |
| CN102095197A (en) | Hearth of circulating fluidized bed boiler with bottom slag cooling and central air supply integrated design | |
| CN107448932A (en) | A kind of air-distribution device of fluidized-bed reactor | |
| CN202754966U (en) | Rotational flow fluidized bed gasifier | |
| CN201058866Y (en) | Entrained flow gasification installation for compressive dry coal powder and under slag draining in solid state | |
| KR101560715B1 (en) | Air distribution-manifold for fluidzed bed boiler | |
| CN102827644A (en) | Gas distributor for ash agglomerating fluidized-bed gasification furnace | |
| CN103409170B (en) | Slag blockage preventing gasification reactor with graded carbonaceous fuel feeding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
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 |
|
| TR01 | Transfer of patent right |