CN106090940A - Umbrella fluidization hood and incinerator - Google Patents
Umbrella fluidization hood and incinerator Download PDFInfo
- Publication number
- CN106090940A CN106090940A CN201610670734.XA CN201610670734A CN106090940A CN 106090940 A CN106090940 A CN 106090940A CN 201610670734 A CN201610670734 A CN 201610670734A CN 106090940 A CN106090940 A CN 106090940A
- Authority
- CN
- China
- Prior art keywords
- umbrella
- fluidization hood
- air
- guide rod
- fluidization
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2203/00—Furnace arrangements
- F23G2203/50—Fluidised bed furnace
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The present invention relates to umbrella fluidization hood and incinerator, wherein, described umbrella fluidization hood includes cap, comprising: crown part, its top is umbrella-shaped structure；And part end to end, it is connected with the bottom of described crown part；Wherein, the described bottom of part end to end is connected with the air outlet of adapter；And guide rod, its first end is fixed on described crown part, and its second end is slidably free end；This umbrella fluidization hood also includes cover plate and air-flow non-return valve；Wherein, described guide rod is through in the sleeve pipe of described cover plate, and described cover plate is resisted against the inner side of described crown part；Wherein, the second end matched of described guide rod is inserted in the valve pocket of described air-flow non-return valve, and described air-flow non-return valve is connected with the air outlet of described adapter.By improving the structure of fluidization hood, umbrella fluidization hood according to embodiments of the present invention can efficiently reduce the abrasion of blast cap, decreases Lou ash leakage slag phenomenon.
Description
Technical field
The present invention relates to the burning disposal field of solid waste, particularly relate to a kind of umbrella fluidization hood and there is this
The incinerator of fluidization hood.
Background technology
Fluidization hood is as one of vitals in circulating fluid bed garbage furnace, and its major function is to fire to burner hearth
Material provides the most of air needed for burning, and realizes the normal fluidisation task of material.The version of blast cap is mainly wrapped at present
Include mushroom hair style, bell-jar and T font blast cap, owing to blast cap is in boiler combustion and fluidisation nucleus, its work
Condition is very severe, and therefore fluidization hood generally exists service wear and the defect of leakage ash leakage slag.
About the service wear of blast cap, in addition to the difference that blast cap manufactures in material type selecting, its main cause also with wind
The design of cap body construction is relevant.The blast cap of aforesaid several existing structure form, owing to its air-flow spout is arranged at cylinder
The outer surface of blast cap head, thus while next constant inclination angle the most oriented during blast cap air-flow orifice design, but owing to density arranged by blast cap
On restriction, the similar blast cap aperture all arranged by its surrounding during boiler operatiopn spray containing high concentration ash granule air-flow
High speed wash away, the most inevitably blast cap body abrasion and damage problem, cause blast cap the most not
Can meet material normally fluidizes requirement, lime-ash also can be caused to pour in down a chimney entrance water cooled wind chamber, affect the properly functioning of boiler.
Leakage ash about blast cap leaks slag, and its reason mainly includes following several situation: a kind of situation is at recirculating fluidized bed
Incinerator run duration, owing to combustion pulsation or unstable fluidisation have caused indivedual blast cap to occur reversely pouring in down a chimney air-flow, leads
Cause part fine grained lime-ash and pour in down a chimney entrance water cooled wind chamber, but this kind of situation is not blast cap leakage ash leakage slag the very corn of a subject；Separately
A kind of situation is when boiler pressuring fire or blowing out, owing to blower fan stops air feed, causes bed base section fine grained lime-ash to pass through
Blast cap aperture enters water cooled wind chamber, and the leakage slag leakage ash quantity that this kind of situation causes is also few, is the most also not belonging to pay close attention to reason；
Also having a kind of situation is due to the abrasion of blast cap body, causes pouring in down a chimney entrance water at the substantial amounts of lime-ash of incinerator run duration
Cold air chamber, this is current blast cap leakage ash leakage slag the very corn of a subject, is also to solve the most at all going out of fluidization hood leakage ash leakage slag problem
Send out point.
There is a kind of follow-on bell-type windshield at present, at material and process aspect, mainly by using high intensity resistance to
The steel alloy casting of mill characteristic forms, and in configuration aspects, mainly uses labyrinth type airpath design.The bell jar of this improvement
Although formula blast cap alleviates blast cap abrasion and the leakage ash leakage slag of circulating fluid bed garbage furnace run duration to a certain extent
Problem, but owing to bell-type windshield itself has certain height, when using in incinerator, the space between blast cap holds
Easily pile up the noncombustible matter such as substantial amounts of iron wire and brick and tile, not only break up the normal fluidisation of material, but also easily cause iron wire
Agglomerating or the coking of bed.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is, how by improving the structure of fluidization hood, solves existing
Blast cap with the presence of circulating fluid bed garbage furnace run duration weares and teares and the defect of leakage ash leakage slag.
In order to solve above-mentioned technical problem, according to one embodiment of present invention, it is provided that a kind of umbrella fluidization hood, should
Umbrella fluidization hood includes: cap and guide rod.Wherein, cap includes: crown part and end to end part.The top of crown part is
Umbrella-shaped structure；Part is connected with the bottom of described crown part end to end；Wherein, the air outlet phase of the bottom of described part end to end and adapter
Connect；First end of guide rod is fixed on described crown part, and its second end is slidably free end；This umbrella fluidization hood also wraps
Include cover plate and air-flow non-return valve；Wherein, described guide rod is through in the sleeve pipe of described cover plate, and described cover plate is resisted against described head
The inner side of head part；Wherein, the second end matched of described guide rod is inserted in the valve pocket of described air-flow non-return valve, and described air-flow is inverse
Only valve is connected with the air outlet of described adapter.
For above-mentioned umbrella fluidization hood, in a kind of possible implementation, described umbrella fluidization hood also includes leading
To portion；It includes slide bar, and described guide rod is located at by this slide bar, and vertical with described guide rod；Also include being respectively arranged on described slide bar two
The linkage of side；Described slide bar is fixed in the inner of described linkage；The outer end of described linkage respectively with described lid
Plate is connected with described air-flow non-return valve；Slide along the axial of described guide rod under the drive of the linkage of described valve pocket side wherein
While Dong, the described linkage of opposite side drives described cover plate with axial along described guide rod of the direction contrary with this slip
Slide.
For above-mentioned umbrella fluidization hood, in a kind of possible implementation, the umbrella-shaped structure of described crown part divides
Being furnished with several spout rings, circumferentially distributed on each described spout ring have several spouts.
For above-mentioned umbrella fluidization hood, in a kind of possible implementation, at the cross section place that umbrella-shaped structure is corresponding
Place, the adjacent described spout on described spout ring is parallel to each other.
For above-mentioned umbrella fluidization hood, the airflow direction of described spout is perpendicular to the umbrella-shaped structure that it is residing.
For above-mentioned umbrella fluidization hood, in a kind of possible implementation, described crown part and described part end to end lead to
The helicitic texture of overmatching is connected.
For above-mentioned umbrella fluidization hood, in a kind of possible implementation, described part end to end is by the step of coupling
Hole matched is seated the air outlet outer rim of described adapter.
For above-mentioned umbrella fluidization hood, in a kind of possible implementation, the bottom of described air-flow non-return valve is cone
Body structure, this cone structure matched is seated the air outlet of described adapter.
In order to solve above-mentioned technical problem, according to another embodiment of the invention, it is provided that one has at least one
The incinerator of above-mentioned umbrella fluidization hood, umbrella fluidization hood is placed in furnace main body；Wherein, at the shape being equipped with fluidisation material
Under state, the umbrella-shaped structure of the most described crown part is exposed in described fluidisation material.
The present invention is by improving the structure of fluidization hood, and umbrella fluidization hood according to embodiments of the present invention can
Efficiently reduce the abrasion of blast cap, fundamentally to decrease the leakage ash leakage slag phenomenon caused by the abrasion of blast cap, improve stream
The serviceability of wind-transformation cap.
Accompanying drawing explanation
The accompanying drawing of the part comprising in the description and constituting description together illustrates the present invention's with description
Exemplary embodiment, feature and aspect, and for explaining the principle of the present invention.
Fig. 1 illustrates the schematic front view of the umbrella fluidization hood of one embodiment of the invention；
Fig. 2 illustrates the schematic top plan view of the umbrella fluidization hood of one embodiment of the invention；
Fig. 3 illustrates the application schematic diagram of the incinerator of another embodiment of the present invention.
Reference numerals list
100, umbrella fluidization hood
01, crown part
02, part end to end
03, adapter
04, air-flow non-return valve
05, cover plate
06, guide rod
07, linkage
08, slide bar
09, spout
200, furnace main body
Detailed description of the invention
Various exemplary embodiments, feature and the aspect of the present invention is described in detail below with reference to accompanying drawing.In accompanying drawing identical
Reference represent the same or analogous element of function.Although the various aspects of embodiment shown in the drawings, but remove
Non-specifically is pointed out, it is not necessary to accompanying drawing drawn to scale.
The most special word " exemplary " means " as example, embodiment or illustrative ".Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
It addition, in order to better illustrate the present invention, detailed description of the invention below gives numerous details.
It will be appreciated by those skilled in the art that do not have some detail, the present invention equally implements.In some instances, for
Method well known to those skilled in the art, means, element and circuit are not described in detail, in order to highlight the purport of the present invention.
Embodiment 1
Fig. 1 illustrates the schematic front view of umbrella fluidization hood according to an embodiment of the invention.Fig. 2 illustrates according to the present invention
The schematic top plan view of the umbrella fluidization hood of one embodiment.
As it is shown in figure 1, this umbrella fluidization hood 100 specifically includes that cap, comprising: crown part 01, its top is umbrella
Shape structure；And, part 02 end to end, it is connected with the bottom of crown part；In a kind of possible implementation, crown part and head
Tailpiece is connected by the helicitic texture of coupling.
Wherein, the bottom of part is connected with the air outlet of adapter 03 end to end；In a kind of possible implementation, part end to end
The air outlet outer rim of adapter it is seated by the stepped hole matched of coupling.
Umbrella fluidization hood 100 also includes guide rod 06, and its first end is fixed on crown part 01, and its second end is slidably
Free end；This umbrella fluidization hood 100 also includes cover plate 05 and air-flow non-return valve 04；Wherein, guide rod 06 is through the set of cover plate
Guan Zhong, and cover plate is resisted against the inner side of crown part；Second end matched of guide rod 06 is inserted in the valve pocket of air-flow non-return valve, and gas
Stream non-return valve is connected with the air outlet of adapter.
In a kind of possible implementation, umbrella fluidization hood 100 also includes guide part；Comprising: slide bar 08, it sets
In guide rod and vertical with guide rod, and, it is respectively arranged on the linkage 07 of slide bar 08 both sides；The inner of linkage 07 is fixed
In slide bar 08；The outer end of linkage 07 is connected with cover plate 05 and air-flow non-return valve 04 respectively；
Under the drive of the linkage 07 of the valve pocket of air-flow non-return valve 04 side wherein along guide rod 06 in axial sliding
Meanwhile, the linkage 04 of opposite side drive cover plate 05 with the direction contrary with this slip sliding axially along guide rod 06, thus
Achieve the reverse open-shut linkage function of the cover plate 05 of air-flow non-return valve 04 and umbrella.
In a kind of possible embodiment, the intermediate cross-section of guide rod 06 is square, and two ends cross section is circular, two
The linkage 07 of side is arranged in the slide bar 08 of four horizontal directions in front, rear, left and right in the middle part of guide rod 06 and is fixed on guide rod 06
Middle part；Guide rod 06 provides vertical slip center to the cover plate 05 of aperture umbrella and the linkage from top to bottom of air-flow non-return valve 04, right
The flexible of linkage 07 provides the center of sliding laterally.
When have in adapter 03 air-flow of certain flow rate upwardly through time, air-flow drag makes air-flow non-return valve 04 upwards blow afloat also
Opening, when incinerator banking fire or blowing out, blower fan stops air feed, and air-flow drag disappears, and air-flow non-return valve 04 is by conducting oneself with dignity to next time
Fall, be automatically switched off the gas channel at adapter 03 air outlet.
With reference to Fig. 2, several spout ring on the umbrella-shaped structure of crown part 01, is distributed, circumferentially distributed on each spout ring
There are several spouts 09.With further reference to Fig. 1, at corresponding cross section place, the adjacent spout 09 on spout ring is the most flat
OK, and the airflow direction of each spout 09 is perpendicular to its residing umbrella-shaped structure.
So, by improving in its structure, umbrella fluidization hood according to the above embodiment of the present invention can have
Effect reduces the abrasion of blast cap, and fundamentally decreases the leakage ash leakage slag phenomenon caused by the abrasion of blast cap.
Embodiment 2
Fig. 3 illustrates the application schematic diagram of incinerator according to another embodiment of the present invention.
As it is shown on figure 3, in a kind of possible implementation, it is real that the furnace main body 200 of incinerator has at least one
Execute the umbrella fluidization hood 100 mentioned in example 1, when being equipped with fluidisation material, be at most the umbrella-shaped structure of crown part 01
It is exposed to fluidize in material.
Design from the structure of fluidization hood 100 and improve, it is to avoid the spout air-flow that run duration surrounding is arranged mutual
Relatively blow the blast cap wear problem caused.And in a kind of specific embodiment, the crown part 01 of fluidization hood 100 is by thickness
The degree heat-resistant and wear-resistant material casting not less than 5mm forms.
The part end to end 02 of bowl structure uses casting heat resistant steel to form, and its upper end is connected with crown part 01 by screw thread, under
End is then connected with the air outlet of adapter 03 by shoulder hole, in the mounted state, and the lower end outside cast flange platform of part 02 end to end
Rank, fixing to realize by cast refractory casting material between each fluidization hood 100.
Adapter 03 is made by heat-resisting resistance to seamless steel pipe, and its air opening end (upper end) inner side is processed into and air-flow non-return valve
The interior chamfering that the cone angle of 04 is consistent, the ring packing conical surface formed during by cutting out with air-flow non-return valve 04 reaches closed gas flow
The purpose of passage.The lower end of adapter 03 is inserted directly in water cooled wind chamber, realizes solid in a welding manner with water-cooled distributor fin
Fixed.Additionally, be provided with the restricting orifice of regulation fluidization hood 100 gas-flow resistance in the lower end of adapter 03, by the spiral shell of its underpart
Stricture of vagina spiral cover is fixed on blast cap adapter air inlet, regulates the size of blast cap resistance by changing the restricting orifice of different pore size.
The upper end of air-flow non-return valve 04 is provided with the heat resisting steel cone workpiece of slidably valve pocket, by with in adapter 03
Circular cone between the air outlet of end realizes the function of blanket gas circulation road, to prevent lime-ash from pouring in down a chimney inflow water cooled wind chamber.Its
The valve pocket at top is enclosed within guide rod 06, and when being passed through by the air-flow of certain flow rate in adapter 03, upwards gas drag makes air-flow
Non-return valve 04 upwards holds up, and opens gas channel；When blower fan stops air feed, the updraft in adapter 03 disappears, and air-flow is inverse
Only the valve body of valve 04 falls closed gas flow passage after rise by deadweight.Therefore air-flow non-return valve 04 apery weight and the nominal air delivery of incinerator
Between linear relation.Achieve air-flow non-return valve 04 only incinerator banking fire or blowing out, the most only blower fan and stop air feed
Energy closed gas flow passage, meets incinerator and all keeps the opening of air-flow non-return valve 04 under difference runs air quantity.
Owing to the naked leakage of outer surface of the only umbrella-shaped structure of the crown part 01 of fluidization hood 100 is at water-cooled distributor flame retardant coating
Above, therefore completely avoid the wear problem of fluidization hood.
Above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any familiar
Those skilled in the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (9)
1. a umbrella fluidization hood, it is characterised in that this umbrella fluidization hood includes:
Cap, comprising:
Crown part, its top is umbrella-shaped structure；And
Part end to end, it is connected with the bottom of described crown part；
Wherein, the described bottom of part end to end is connected with the air outlet of adapter；
And guide rod, its first end is fixed on described crown part, and its second end is slidably free end；
This umbrella fluidization hood also includes cover plate and air-flow non-return valve；
Wherein, described guide rod is through in the sleeve pipe of described cover plate, and described cover plate is resisted against the inner side of described crown part；
Wherein, described guide rod second end matched insert described air-flow non-return valve valve pocket in, and described air-flow non-return valve with
The air outlet of described adapter is connected.
Umbrella fluidization hood the most according to claim 1, it is characterised in that described umbrella fluidization hood also includes guiding
Portion；Comprising:
Slide bar, it is located at described guide rod, and vertical with described guide rod；And
It is respectively arranged on the linkage of described slide bar both sides；
Wherein, described slide bar is fixed in the inner of described linkage；
Wherein, the outer end of described linkage is connected with described cover plate and described air-flow non-return valve respectively；
Along while the sliding axially of described guide rod under the drive of the linkage of described valve pocket side wherein, the institute of opposite side
Stating linkage drives described cover plate with the direction contrary with this slip sliding axially along described guide rod.
Umbrella fluidization hood the most according to claim 1, it is characterised in that be distributed on the umbrella-shaped structure of described crown part
Several spout rings, circumferentially distributed on each described spout ring have several spouts.
Umbrella fluidization hood the most according to claim 3, it is characterised in that at the cross section place that described umbrella-shaped structure is corresponding
Place, the adjacent described spout on described spout ring is parallel to each other.
Umbrella fluidization hood the most according to claim 3, it is characterised in that the airflow direction of described spout is perpendicular to its institute
The umbrella-shaped structure at place.
Umbrella fluidization hood the most according to claim 1, it is characterised in that described crown part and described part end to end by
The helicitic texture joined is connected.
Umbrella fluidization hood the most according to claim 1, it is characterised in that described part end to end is by the stepped hole of coupling
Join formula and be seated the air outlet outer rim of described adapter.
Umbrella fluidization hood the most according to claim 1, it is characterised in that the bottom of described air-flow non-return valve is cone knot
Structure, this cone structure matched is seated the air outlet of described adapter.
9. an incinerator, including furnace main body, it is characterised in that have at least one such as claim in described furnace main body
Umbrella fluidization hood according to any one of 1～8；
Wherein, when being equipped with fluidisation material, the umbrella-shaped structure of the most described crown part is exposed in described fluidisation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670734.XA CN106090940B (en) | 2016-08-15 | 2016-08-15 | Umbrella fluidization hood and waste incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670734.XA CN106090940B (en) | 2016-08-15 | 2016-08-15 | Umbrella fluidization hood and waste incinerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090940A true CN106090940A (en) | 2016-11-09 |
| CN106090940B CN106090940B (en) | 2018-07-17 |
Family
ID=58069539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670734.XA Expired - Fee Related CN106090940B (en) | 2016-08-15 | 2016-08-15 | Umbrella fluidization hood and waste incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106090940B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7933387A (en) * | 1986-10-02 | 1988-04-14 | Flexible Electricals Pty. Limited | Top cap for a flue |
| JPH10196922A (en) * | 1997-01-13 | 1998-07-31 | Kurimoto Ltd | Air nozzle for fluidization |
| CN102588960A (en) * | 2012-03-02 | 2012-07-18 | 上海锅炉厂有限公司 | Fluidization blast cap used for preventing slag leakage |
| CN202835342U (en) * | 2012-10-30 | 2013-03-27 | 刘文朋 | Fluid bed boiler air cover capable of preventing from residue leakage |
| CN205897155U (en) * | 2016-08-15 | 2017-01-18 | 北京中科通用能源环保有限责任公司 | Umbelliform fluidizing air cap and waste incinerator |
-
2016
- 2016-08-15 CN CN201610670734.XA patent/CN106090940B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU7933387A (en) * | 1986-10-02 | 1988-04-14 | Flexible Electricals Pty. Limited | Top cap for a flue |
| JPH10196922A (en) * | 1997-01-13 | 1998-07-31 | Kurimoto Ltd | Air nozzle for fluidization |
| CN102588960A (en) * | 2012-03-02 | 2012-07-18 | 上海锅炉厂有限公司 | Fluidization blast cap used for preventing slag leakage |
| CN202835342U (en) * | 2012-10-30 | 2013-03-27 | 刘文朋 | Fluid bed boiler air cover capable of preventing from residue leakage |
| CN205897155U (en) * | 2016-08-15 | 2017-01-18 | 北京中科通用能源环保有限责任公司 | Umbelliform fluidizing air cap and waste incinerator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106090940B (en) | 2018-07-17 |
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Granted publication date: 20180717 Termination date: 20190815 |