CN103471106A - Entanglement take-out device, entanglement take-out method and circulating fluidized bed garbage incinerator - Google Patents
Entanglement take-out device, entanglement take-out method and circulating fluidized bed garbage incinerator Download PDFInfo
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- CN103471106A CN103471106A CN2013104285937A CN201310428593A CN103471106A CN 103471106 A CN103471106 A CN 103471106A CN 2013104285937 A CN2013104285937 A CN 2013104285937A CN 201310428593 A CN201310428593 A CN 201310428593A CN 103471106 A CN103471106 A CN 103471106A
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Abstract
The invention discloses an entanglement take-out device, an entanglement take-out method and a circulating fluidized bed garbage incinerator, wherein the entanglement take-out device is used for taking out entanglement from the garbage incinerator, the bottom of a hearth of the circulating fluidized bed garbage incinerator is provided with a slag discharge opening, and the entanglement take-out device comprises a connecting hole and an extending part, wherein the connecting hole is formed in the side wall of the hearth, the extending part outwards extends along the connecting hole, in addition, the two ends of the extending part are provided with openings, and in addition, the top end of the extending part is also provided with a cover body. The problem that the slag cannot smoothly fall down because the hearth slag discharge opening is blocked by iron wire incineration products and the like is solved, further, the number of the blowing down maintenance times is reduced, and the incineration and operation efficiency is improved.
Description
Technical field
The present invention relates to the Assessment of MSW Disposal Technologies field, particularly a kind of twister withdrawing device, method and circulating fluid bed garbage furnace.
Background technology
The house refuse in city is the product of following of mankind's activity.Along with the raising of the increase of urban population day and urban life level, domestic waste output is growing, the severe contamination mankind's living environment." three change " that how to realize that domestic waste is innoxious, subtract appearanceization and resource processes oneself becomes the focus that the whole world is paid close attention to.
In common waste disposal method, but waste incineration due to disposal of refuse innoxious thoroughly, subtract the major way that the advantage such as the deep and recovery energy of appearanceization becomes urban garbage disposal.And burn away the refuse, for common equipment, be comparatively recirculating fluidized bed.Below recirculating fluidized bed is done to simple introduction.
With reference to Fig. 1, the structural representation that Fig. 1 is circulating fluid bed garbage furnace in prior art.Burner hearth 3 is provided with garbage inlet 1, auxiliary fuel entrance 2, and burner hearth 3 bottoms are provided with air compartment 7.Crude waste, through processing such as excessive, metal sorting, enters burner hearth 3 to take fire; The high-temperature flue gas (850～900 ℃) that burning produces enters cyclone separator 15 through the furnace outlet on burner hearth 3 tops, removes fly ash granules most in flying dust.Cyclone separator 15 isolated " returning charge ash " is got back to burner hearth 3 by material returning device 14 through inclined tube and is continued the circulation burning.The flue gas of separating from cyclone separator 15 enters the outlet 16 of cigarette wind and realizes the utilization of smoke heat energy by the heat-obtaining device.Scum pipe 6 discharges that slag in incinerator is connected with lower cinder notch 5 by being positioned at burner hearth 3 bottoms.
The problem that above-mentioned circulating fluid bed garbage furnace exists is:
Product form after waste incineration is varied, and some products can be discharged boilers by lower cinder notch 5 smoothly, and twister 4 is possible because leaking down to be stuck such as iron wire and foreign material etc., and then causes follow-up incineration ashes not pass through smoothly.
When this problem occurring, current common solution is that the workman upwards discloses facing to scum pipe 6 at the instrument such as hook, rod for bottom of burner hearth 3.Obviously, this mode can't tackle the problem at its root because " upwards disclosing " be difficult to make iron wire from going out in cinder notch 5 out, its of short duration effect can only be, iron wire is temporarily made progress away from going out lower cinder notch 5 along burner hearth 3, and during this period of time, slag can temporarily fall and discharge burner hearth 3 outsides.But the existence of iron wire still can exert an influence to the discharge of slag.Therefore, this method can't tackle the problem at its root, and finally needs the blowing out cleaning.
In addition, for other forms of incinerator, for example, also there is similar problem in bubbling fluidized bed.
Summary of the invention
In view of this, the present invention proposes a kind of twister withdrawing device, method and circulating fluid bed garbage furnace, stop up under burner hearth the cinder notch problem of slag that can not fall smoothly to solve such as the iron wire incineration ashes, and then reduce the number of times of blowing out maintenance, improve and burn and operational efficiency.
First aspect, the invention discloses a kind of twister withdrawing device, and for the taking-up of incinerator twister, the burner hearth bottom of described circulating fluid bed garbage furnace is provided with lower cinder notch, and described twister withdrawing device comprises connecting hole and extension; Wherein, described connecting hole is arranged at the sidewall of described burner hearth; Described extension stretches out and forms hook material passage along described connecting hole, and both ends open; And the top of described extension also is provided with lid.
Further, in above-mentioned twister withdrawing device, described connecting hole is arranged at the bottom of described burner hearth sidewall.
Further, in above-mentioned twister withdrawing device, described hook material passage also comprises the guide part of both ends open; Described guide part is inner the stretching, extension along described connecting hole to described burner hearth; And described guide part is connected with described extension.
Further, in above-mentioned twister withdrawing device, described guide part is tubulose; And, described extending area tubulose.
Further, in above-mentioned twister withdrawing device, described guide part overlaps with the center line of described extension.
Further, in above-mentioned twister withdrawing device, the tubular conduit that described hook material passage is formed in one.
Further, in above-mentioned twister withdrawing device, described hook material passage directly points to described lower cinder notch.
Further, in above-mentioned twister withdrawing device, also comprise pipe protection airduct and/or banking fire protection airduct; Described pipe protection airduct is connected with described hook material passage, for the protection of the not burning of described hook material passage; Described banking fire protection airduct is connected with described hook material passage, for suppressing high temperature gas flow in described burner hearth, gushes out.
Twister withdrawing device of the present invention, by coordinating with drag hook, enters drag hook near the lower cinder notch of burner hearth along extension, then, with drag hook by twister, such as iron wire and sundry hook flake hearth-tapping.Because extension is arranged on the bottom sidewall of burner hearth near lower cinder notch, this position the handled easily personnel pull out twister.In addition, but connecting steel wire ropes and hoist engine power-assisted when pulling force is excessive.The invention solves and stop up burner hearth such as the iron wire incineration ashes and go out the lower cinder notch problem of slag that can not fall smoothly, and then reduce the number of times of blowing out maintenance, improve and burn and operational efficiency.
Second aspect, the invention also discloses a kind of twister removing method, the twister withdrawing device of the method based on above-mentioned, this device matches with drag hook, when the lower cinder notch of incinerator is wound thing and stops up, described drag hook is stretched into by described extension, and the described lower cinder notch place to described burner hearth, go out described twister from the bottom side wall hook of described burner hearth.
Further, above-mentioned twister removing method also comprises the steps: described drag hook is connected with steel wire rope, and wirerope-winding is on hoist engine, and described hoist engine provides power for described drag hook, and described twister is gone out from the bottom side wall hook of described burner hearth.
Twister removing method of the present invention is pulled out twister with drag hook from the burner hearth side, solved such as the iron wire incineration ashes and stopped up under burner hearth the cinder notch problem of slag that can not fall smoothly, and then reduced the number of times of blowing out maintenance, improves and burns and operational efficiency.
The third aspect, the invention also discloses a kind of circulating fluid bed garbage furnace, and this circulating fluid bed garbage furnace is provided with twister withdrawing device described above.
Because recirculating fluidized bed drawknot incinerator is provided with above-mentioned twister withdrawing device, therefore, also there is the technique effect of above-mentioned twister withdrawing device.The present invention does not repeat them here.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention the present invention does not form inappropriate limitation of the present invention for explaining.In the accompanying drawings:
The structural representation that Fig. 1 is circulating fluid bed garbage furnace in prior art;
Fig. 2 is the schematic diagram that is provided with the circulating fluid bed garbage furnace of twister withdrawing device embodiment of the present invention;
The structural representation that Fig. 3 is hook material passage in twister withdrawing device embodiment;
The local enlarged diagram at the I place in Fig. 4 Fig. 3.
Description of reference numerals
1 garbage inlet
2 auxiliary fuel entrances
3 burner hearths
4 twisters
5 times cinder notch
6 scum pipes
7 air compartments
8 banking fire protection airducts
9 drag hooks
10 steel wire ropes
11 hoist engines
12 pipe protection airducts
13 hook material passages
14 material returning devices
15 cyclone separators
16 cigarette wind outlets
17 extensions
18 sealing lids
The specific embodiment
It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the present invention can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Below the preferred embodiments of the present invention are described in further detail.
With reference to Fig. 2 to Fig. 4, in conjunction with recirculating fluidized bed, the preferred embodiment of twister withdrawing device of the present invention is explained.
The present embodiment twister withdrawing device is for the taking-up of incinerator twister 4.Twister 4 wherein can be iron wire and other aphlogistic foreign material.Burner hearth 3 bottoms of this circulating fluid bed garbage furnace are provided with lower cinder notch 5, and lower cinder notch 5 is connected with scum pipe 6.The twister withdrawing device comprises connecting hole (not indicating) and extension 17; Wherein, connecting hole is arranged at the sidewall of burner hearth 3; Extension 17 stretches out and forms hook material passage 13 along connecting hole, and both ends open; And the top of extension 17 also is provided with lid 18 for sealing.In Fig. 2, connecting hole does not illustrate, its junction that is extension 17 and burner hearth 3.
Further preferably, the connecting hole of the junction of extension 17 and burner hearth 3 is arranged at the bottom of burner hearth 3 sidewalls.Like this, can operating distance stop up the lower cinder notch 5 of twister 4 more recently.More preferably, hook material passage 13 directly points to described lower cinder notch 5.Like this, just can determine more accurately the position of twister 4, more efficiently twister 4 be taken out to burner hearth 3.
Continuation is with reference to Fig. 2, and the twister withdrawing device can also comprise and also comprises pipe protection airduct 12 or banking fire protection airduct 8, or comprise these two simultaneously.Pipe protection airduct 12 is connected with hook material passage 13, for the protection of the 13 not burning of hook material passage; Banking fire protection airduct 8 is connected with hook material passage 13, for suppressing the interior high temperature gas flow of burner hearth 3, gushes out.
In addition, in order to further facilitate drag hook 9, twister 4 is taken out, this hook material passage can also comprise the guide part (not shown) of both ends open, and guide part is 3 inner stretching, extensions along connecting hole to burner hearth; And guide part is connected with extension.In one embodiment, guide part can be tubulose, and extension 17 can be tubulose.And, the tube that guide part and extension 17 can be one of the forming.
More preferably, the hook material passage 13 that comprises guide part and extension 17 directly can also be aimed to lower cinder notch 5.That is to say, hook material passage 13 extends to lower cinder notch 5 through connecting hole, like this, just can determine more accurately the position of twister 4, more efficiently twister 4 is taken out to burner hearth 3.
While finding that in running lower cinder notch 5 has stifled slag phenomenon, enable twister 4 withdrawing devices.Its basic operational steps is: open banking fire protection airduct 8, the interior high temperature gas flow of compacting burner hearth 3 is gushed out, and the cooling hook material passage 13 of tube used for bottom pouring pipe protection airduct 12, prevent temperature overheating; Then open sealing lid 18, along the downward cinder notch 5 of hook material passage 13, insert drag hooks 9, back and forth stir, pull back while feeling to have material to hook above, twister 4 parts are pulled out.But connecting steel wire ropes 10, hoist engine 11 power-assisteds when pulling force is excessive.Then, repeat said process, until near the twister 4 lower cinder notch 5 is cleaned out substantially, cover lid 18 for sealing, shut banking fire protection airduct 8 and pipe protection airduct 12, complete the stifled work of dredging of twister 4.
From above-mentioned enforcement, can find out, the present embodiment twister withdrawing device, by coordinating with drag hook 9, enters drag hook 9 near the lower cinder notch 5 of burner hearth 3 along extension 17, then, with drag hook 9 by twister 4, such as iron wire and foreign material by hook flake hearth-tapping 3.Because extension 17 is arranged on the sidewall of burner hearth 3, this position the handled easily personnel pull out twister 4.In addition, if twister 4 is heavier, when required pulling force is excessive, but also connecting steel wire ropes 10 and hoist engine 11 power-assisteds.The present embodiment has solved such as the iron wire incineration ashes and has stopped up under burner hearth the cinder notch problem of slag that can not fall smoothly, and then reduces the number of times of blowing out maintenance, improves and burns and operational efficiency.
Second aspect, the present invention also provides a kind of embodiment of twister removing method, and based on above-mentioned twister withdrawing device, this device matches with drag hook 9, comprises the steps:
Step 1, the lower cinder notch 5 of discovery incinerator is wound thing 4 and stops up; Open banking fire protection airduct 8, the interior high temperature gas flow of compacting burner hearth 3 is gushed out, and the cooling hook material passage 13 of tube used for bottom pouring pipe protection airduct 12, prevent temperature overheating;
Further, if twister 4 is heavier, when required pulling force is excessive, but also connecting steel wire ropes 10 and hoist engine 11 power-assisteds.Specifically, drag hook 9 is connected with steel wire rope 10, steel wire rope 10 is wrapped on hoist engine 11, and described hoist engine 11 provides power for drag hook 9, and twister 4 is gone out from the bottom side wall hook of burner hearth 3.
The present embodiment twister removing method is pulled out twister with drag hook from the burner hearth side, solved to stop up burner hearth such as the iron wire incineration ashes and go out the lower cinder notch problem of slag that can not fall smoothly, and then reduced the number of times of blowing out maintenance, improves and burns and operational efficiency.
The third aspect, the present invention also provides a kind of circulating fluid bed garbage furnace, and this circulating fluid bed garbage furnace is provided with twister withdrawing device described above, at above-mentioned Fig. 2 to Fig. 4, has done detailed explanation.The present invention does not repeat them here.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a twister withdrawing device, for the taking-up of incinerator twister, the burner hearth bottom of described circulating fluid bed garbage furnace is provided with lower cinder notch, it is characterized in that,
Described twister withdrawing device comprises connecting hole and extension; Wherein
Described connecting hole is arranged at the sidewall of described burner hearth;
Described extension stretches out and forms hook material passage along described connecting hole, and both ends open;
And the top of described extension also is provided with the sealing lid.
2. twister withdrawing device according to claim 1, is characterized in that,
Described connecting hole is arranged at the bottom of described burner hearth sidewall.
3. twister withdrawing device according to claim 2, is characterized in that,
Described hook material passage also comprises the guide part of both ends open;
Described guide part is inner the stretching, extension along described connecting hole to described burner hearth;
And described guide part is connected with described extension.
4. according to the described twister withdrawing device of claim 2 or 3, it is characterized in that,
Described guide part is tubulose; And
Described extending area tubulose.
5. twister withdrawing device according to claim 4, is characterized in that,
Described guide part overlaps with the center line of described extension.
6. according to the described twister withdrawing device of any one in claim 1 to 5, it is characterized in that,
Described hook material passage directly points to described lower cinder notch.
7. want 6 described twister withdrawing devices according to right, it is characterized in that,
Also comprise pipe protection airduct and/or banking fire protection airduct;
Described pipe protection airduct is connected with described hook material passage, for the protection of the not burning of described hook material passage;
Described banking fire protection airduct is connected with described hook material passage, for suppressing high temperature gas flow in described burner hearth, gushes out.
8. a twister removing method, it is characterized in that, based on twister withdrawing device as described as any one in claim 1 to 7, this device matches with drag hook, when the lower cinder notch of incinerator is wound thing and stops up, described drag hook is stretched into by described extension, and the described lower cinder notch place to described burner hearth, go out described twister from the bottom side wall hook of described burner hearth.
9. twister removing method according to claim 8, is characterized in that,
Also comprise the steps:
Described drag hook is connected with steel wire rope, and wirerope-winding is on hoist engine, and described hoist engine provides power for described drag hook, and described twister is gone out from the bottom side wall hook of described burner hearth.
10. a circulating fluid bed garbage furnace, is characterized in that, at the burner hearth bottom sidewall of circulating fluid bed garbage furnace, is provided with twister withdrawing device as described as any one in claim 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013104285937A CN103471106A (en) | 2013-09-18 | 2013-09-18 | Entanglement take-out device, entanglement take-out method and circulating fluidized bed garbage incinerator |
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|---|---|---|---|
| CN2013104285937A CN103471106A (en) | 2013-09-18 | 2013-09-18 | Entanglement take-out device, entanglement take-out method and circulating fluidized bed garbage incinerator |
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| CN103471106A true CN103471106A (en) | 2013-12-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485712A (en) * | 2016-01-13 | 2016-04-13 | 北京一亚高科能源科技有限公司 | Heat conduction oil boiler |
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| CN105485712A (en) * | 2016-01-13 | 2016-04-13 | 北京一亚高科能源科技有限公司 | Heat conduction oil boiler |
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Application publication date: 20131225 |