CN204922967U - Coal burner tip cleaning device - Google Patents
Coal burner tip cleaning device Download PDFInfo
- Publication number
- CN204922967U CN204922967U CN201520529111.1U CN201520529111U CN204922967U CN 204922967 U CN204922967 U CN 204922967U CN 201520529111 U CN201520529111 U CN 201520529111U CN 204922967 U CN204922967 U CN 204922967U
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- coal burner
- cleaning device
- catch bar
- whirligig
- connecting plate
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Abstract
The utility model relates to a clean technical field of coal burner discloses a coal burner tip cleaning device, including rotary device, catch bar and flexible changeable rotating assembly, rotating assembly with rotary device's output shaft, rotary device still with the catch bar is connected, rotary device sets up in coal burner's central tube, the catch bar is used for promoting rotary device and removes, makes rotating assembly stretch out the central tube front end, is used for spin friction coal burner's front end. The utility model discloses effectively clean the coal burner tip, eliminate the coking, avoid interference flame profile and the heating power intensity distribution of combustor, guarantee production steady operation, the purpose of realize improving production line productivity and quality, it is convenient just to use, low cost.
Description
Technical field
The utility model relates to coal burner clean technologies field, particularly relates to a kind of coal burner end cleaning device.
Background technology
In commercial Application, coal dust and compressed air carry out mixed combustion by coal burner, fuel injection at a high speed, form strong stirring, according to fluid mechanics principle, define negative pressuren zone at burner nozzle, spray the part of going and to take fire or the fuel particle that burns totally will be entrainmented near nozzle, and impact against burner end face part.These high-temperature particle parts present melting state, and burner nozzle is relative to furnace atmosphere inclined " cold ", and this part particle just constantly sticks to burner face periphery, assemble and form knob coking.
Coking can disturb flame profile and the heat force intensity distribution of burner, affects technological operation and product quality, flame can be caused eccentric, cause equipment breakdown when coking is serious.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide coal burner end cleaning device, effectively coal burner end is cleaned, eliminate coking, avoid interference flame profile and the heat force intensity distribution of burner, guarantee administration measure runs, realize the object improving production line production capacity and quality, and easy to use, with low cost.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of coal burner end cleaning device, described coal burner end cleaning device comprises whirligig, catch bar and flexible variable rotary components, described rotary components is connected with the output shaft of described whirligig, described whirligig is also connected with described catch bar, described whirligig is arranged in the central tube of coal burner, described catch bar moves for promoting whirligig, rotary components is made to stretch out central tube front end, for the front end of coal burner described in spin friction.
Wherein, described rotary components comprises at least two friction members, and one end of each friction member is connected with described output shaft, and the other end is free end.
Wherein, described rotary components also comprises connecting plate, and described connecting plate is vertical with described output shaft and be fixedly connected with, and the end of each friction member is connected with described connecting plate respectively.
Wherein, described friction member is metallic bond or scraper plate.
Wherein, the periphery of described connecting plate is provided with multiple perforation, and described friction member is connected by perforation with described connecting plate.
Wherein, described whirligig is pneumatic rotary device, and described pneumatic rotary device is connected with source of the gas by compressed air hose.
Wherein, described catch bar is hollow stem, and it is inner that described compressed air hose is arranged on described catch bar.
Wherein, described compressed air hose is also provided with pipe valve.
Wherein, described coal burner end cleaning device also comprises locating part, and described locating part is arranged on described catch bar.
Wherein, described locating part is alignment pin.
(3) beneficial effect
The coal burner end cleaning device that the utility model provides, effectively coal burner end is cleaned, eliminate coking, avoid interference flame profile and the heat force intensity distribution of burner, guarantee administration measure runs, realize the object improving production line production capacity and quality, and easy to use, with low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the rotary components structural representation of the utility model embodiment;
Fig. 3 is the rotary components structural representation of the utility model embodiment;
Fig. 4 is rotary components structural representation when friction member is scraper plate in the utility model embodiment.
In figure, 1: whirligig; 11: output shaft; 12: compressed air hose;
2: catch bar;
3: rotary components; 31: friction member; 32: connecting plate; 33: perforation;
34: fan leaf; 35: fan hub; 36: spring; 37: scraper plate; 38: groove;
4: central tube;
5: pipe valve;
6: locating part.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following instance for illustration of the utility model, but is not used for limiting scope of the present utility model.
As shown in Figure 1, coal burner end described in the utility model cleaning device comprises whirligig 1, catch bar 2 and flexible variable rotary components 3, described rotary components 3 is connected with the output shaft 11 of described whirligig 1, described whirligig 1 is also connected with described catch bar 2, described whirligig 1 is arranged in the central tube 4 of coal burner, described catch bar 2 moves for promoting whirligig 1, rotary components 3 is made to stretch out central tube 4 front end, for the front end of coal burner described in spin friction.
Wherein, whirligig 1 implementation has multiple, can adopt the modes such as electronic, pneumatic, as long as the output shaft 11 driven rotary assembly 3 realizing whirligig 1 rotates; During use, by promoting catch bar 2, whirligig 1 is made to be positioned at the correct position of the central tube 4 of coal burner, now, rotary components 3 is positioned at the outside of the end of central tube 4 coking of coal burner just, starts whirligig 1 thus driven rotary assembly 3 High Rotation Speed, rotary components 3 becomes large under centrifugal action, make the end CONTACT WITH FRICTION of rotary components 3 and coking, thus coking is come off gradually, realize the function that the end coking of coal burner is cleaned; After having worked, pull catch bar 2, make central tube 4 inside of whirligig 1 and rotary components 3 one coal burner in the same way mobile, until the utility model all enters central tube 4 internal storage of relative low temperature safety, wait for that next time uses; The utility model can effectively clean coal burner end, eliminates coking, avoids interference flame profile and the heat force intensity distribution of burner, guarantee administration measure runs, realize the object improving production line production capacity and quality, and easy to use, with low cost.
As shown in Figure 1, preferably, described rotary components 3 comprises at least two friction members 31, and one end of each friction member 31 is connected with described output shaft 11, and the other end is free end.
Wherein, the implementation of rotary components 3 has multiple, in the utility model embodiment, the friction member 31 of rotary components 3 preferably adopts metal bracelet, is connected on output shaft 11, and metal bracelet and output shaft 11 can be fixedly connected with, also can be flexibly connected, as rotating shaft connects; The preferred refractory metal of metal bracelet, because metal bracelet stretches variable, when rotated, its footprint size is variable, and under the effect of output shaft 11 rotary centrifugal force, metal bracelet extends, its coverage increases greatly, can carry out scraping to large-scale coal burner end to clean, cleaning effect is better, when stopping the rotation, metal bracelet recovers original relaxed state, can together enter central tube 4 internal storage with whirligig 1, wait for that next time uses, easy to use;
In addition, as shown in Figure 3, rotary components 3 also can be similar fan leaf 34 shape, multiple fan leaf 34 is articulated with on fan hub 35, and is connected, during inactive state with spring 36 between fan leaf 34 with fan hub 35, each fan leaf 34 shrinks under the effect of spring 36 elastic force, and overall volume is less; During work, when rotating the centrifugal force produced and being greater than spring 36 elastic force, each fan leaf 34 is opened under rotary centrifugal force effect, thus contacts with the coking of end, and carries out friction decoking to coking; Rotary components 3 may also be several scraping blades etc.
As shown in Figure 1, also can see Fig. 2, preferably, described rotary components 3 also comprises connecting plate 32, and described connecting plate 32 is vertical with described output shaft 11 and be fixedly connected with, and the end of each friction member 31 is fixedly connected with described connecting plate 32 respectively.Installation for ease of friction member 31 is fixed, general first installation one piece of connecting plate 32 on output shaft 11, then is fixed on connecting plate 32 by friction member 31, easy to use; The Breadth Maximum of described connecting plate 32 is less than the internal diameter of described central tube 4; After completing to make work, it is inner that whole rotary components 3 can enter central tube 4, and therefore, the Breadth Maximum of connecting plate 32 is less than the internal diameter of central tube 4, prevents connecting plate 32 and central tube 4 inwall from being formed and interfere; Connecting plate 32 can adopt metallic plate or ceramic wafer etc. high temperature resistant and well-set material.
Preferably, described friction member 31 is metallic bond or scraper plate 37, as shown in Figure 4, wherein, friction member 31 can also adopt scraper plate 37, and scraper plate 37 one end is connected with connecting plate 32 rotating shaft, scraper plate 37 around rotating shaft 90-degree rotation, during work, can rotate the centrifugal force produced and each scraper plate 37 is laterally opened, thus contact with the coking of end, and friction decoking is carried out to coking, after having worked, under external force, scraper plate 37 rotates around rotating shaft to be regained, and uses in order to next time; Also can arrange groove 38 in connecting plate 32 inside, the end of scraper plate 37 is arranged in groove 38, and scraper plate 37 is connected with connecting plate 32 rotating shaft, and scraper plate 37 can rotate around rotating shaft in groove 38 to be regained, conveniently attractive in appearance.
As shown in Figure 2, the periphery of described connecting plate 32 is provided with multiple perforation 33, and described friction member 31 is connected by perforation 33 with described connecting plate 32, is convenient to be fixedly connected with friction member 31.
Wherein, connecting plate 32 can make circular slab or square plate, or other shapes, arranges perforation 33 in its periphery appropriate location, to realize and being fixedly connected with of friction member 31.
As shown in Figure 1, preferably, described whirligig 1 is pneumatic rotary device 1, and described pneumatic rotary device 1 is connected with source of the gas by compressed air hose 12.Described catch bar 2 is hollow stem, and it is inner that described compressed air hose 12 is arranged on described catch bar 2.
Wherein, catch bar 2 preferably adopts steel pipe, because operation field compressed air utilizes more convenient, therefore, the whirligig 1 of the utility model embodiment preferably adopts pneumatic rotary device 1, and install and use all more for convenience, it is connected with outside source of the gas by compressed air hose 12; Generally compressed air hose 12 is arranged on catch bar 2 inner, thus forms protection to compressed air hose 12, also save space, structure is neat.
As shown in Figure 1, preferably, described compressed air hose 12 is also provided with pipe valve 5.The setting of pipe valve 5 is convenient to control compressed air.
As shown in Figure 1, preferably, described coal burner end cleaning device also comprises locating part 6, and described locating part 6 is arranged on described catch bar 2.Preferably, described locating part 6 is alignment pin.Locating part 6 for being fixedly connected with coal burner, thus makes to position the utility model entirety, prevents its shift in position when cleaning from causing not exclusively clean.
In prior art, also have and adopt following methods process coking: burner is exited slightly in kiln, exposes the coking face of burner tip.Open the observation door of side, manually the iron pipe of hand-held tens kilogram weights, by iron pipe end from the side of burner after coke part, sled is disclosed and coking is disclosed back and forth; Processing ease like this causes: 1) needs are opened and observed door operation, thousands of degree high temperature heat radiation baking operating personnel; Also likely kiln malleation, thousands of degree high-temperature material of jetting injury operating personnel; 2) under high-temperature operation environment, steel pipe is easy to softening transform, and steel pipe and burner tip are point cantact, and cleaning effect is undesirable; 3) need that operator is stable to clear up accurately, careless slightly, will disclosing the refractory protection material mistake of burner, cause equipment fault, impact is produced.
And adopt the utility model, first it pushed from central tube 4 afterbody, to correct position (pre-determining), fixed by alignment pin, alignment pin and catch bar 2 and pneumatic rotary device 1 form one, keep fixing non rotating; After opening compressed-air actuated pipe valve 5, the compressed air hose 12 of compressed air through being placed in catch bar 2, send pneumatic rotary device 1 to, then output shaft 11 starts High Rotation Speed, drive connecting plate 32 and the friction member 31 that is fixed on connecting plate 32 two ends to rotate thereupon, under the influence of centrifugal force, the coking of scraping burner tip is lashed; After action completes, single unit system is retracted to central tube 4 inside about about 1-2 meters distances, deposits, wait for that next time uses in the central tube 4 that simultaneously the utility model complete unit also all enters relative low temperature safety.
When using the utility model operation, need not open observation door again, do not have the threat that kiln high temperature and malleation ejection material are hurted sb.'s feelings, coke cleaning operation is very safe; Except spin friction part 31, remaining part is all installed on the low-temperature space of central tube 4, has sufficient guarantee equipment life; And need not kiln be stopped, and do not affect normal production, can need to clean at any time according to situation in kiln, easy to use, with low cost; The coking of effective elimination burner, ensures that administration measure runs, and realizes the object improving production line production capacity and quality; And device volume of the present utility model is less, almost without the need to transforming existing kiln hood equipment, install and conveniently moving quick
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a coal burner end cleaning device, it is characterized in that, described coal burner end cleaning device comprises whirligig, catch bar and flexible variable rotary components, described rotary components is connected with the output shaft of described whirligig, described whirligig is also connected with described catch bar, described whirligig is arranged in the central tube of coal burner, described catch bar moves for promoting whirligig, rotary components is made to stretch out central tube front end, for the front end of coal burner described in spin friction.
2. coal burner end as claimed in claim 1 cleaning device, it is characterized in that, described rotary components comprises at least two friction members, and one end of each friction member is connected with described output shaft, and the other end is free end.
3. coal burner end as claimed in claim 2 cleaning device, it is characterized in that, described rotary components also comprises connecting plate, and described connecting plate is vertical with described output shaft and be fixedly connected with, and the end of each friction member is connected with described connecting plate respectively.
4. coal burner end as claimed in claim 3 cleaning device, it is characterized in that, described friction member is metallic bond or scraper plate.
5. coal burner end as claimed in claim 3 cleaning device, it is characterized in that, the periphery of described connecting plate is provided with multiple perforation, and described friction member is connected by perforation with described connecting plate.
6. coal burner end as claimed in claim 1 cleaning device, it is characterized in that, described whirligig is pneumatic rotary device, and described pneumatic rotary device is connected with source of the gas by compressed air hose.
7. coal burner end as claimed in claim 6 cleaning device, it is characterized in that, described catch bar is hollow stem, and it is inner that described compressed air hose is arranged on described catch bar.
8. coal burner end as claimed in claim 7 cleaning device, is characterized in that, described compressed air hose is also provided with pipe valve.
9. the coal burner end cleaning device as described in any one of claim 1-8, is characterized in that, described coal burner end cleaning device also comprises locating part, and described locating part is arranged on described catch bar.
10. coal burner end as claimed in claim 9 cleaning device, it is characterized in that, described locating part is alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529111.1U CN204922967U (en) | 2015-07-20 | 2015-07-20 | Coal burner tip cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520529111.1U CN204922967U (en) | 2015-07-20 | 2015-07-20 | Coal burner tip cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204922967U true CN204922967U (en) | 2015-12-30 |
Family
ID=54972090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520529111.1U Active CN204922967U (en) | 2015-07-20 | 2015-07-20 | Coal burner tip cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204922967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765054A (en) * | 2016-12-13 | 2017-05-31 | 广西大学 | A kind of biomass combustion machine |
-
2015
- 2015-07-20 CN CN201520529111.1U patent/CN204922967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765054A (en) * | 2016-12-13 | 2017-05-31 | 广西大学 | A kind of biomass combustion machine |
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| GR01 | Patent grant |