CN202387329U - Air supply device and ash handling system with same - Google Patents
Air supply device and ash handling system with same Download PDFInfo
- Publication number
- CN202387329U CN202387329U CN2011204791494U CN201120479149U CN202387329U CN 202387329 U CN202387329 U CN 202387329U CN 2011204791494 U CN2011204791494 U CN 2011204791494U CN 201120479149 U CN201120479149 U CN 201120479149U CN 202387329 U CN202387329 U CN 202387329U
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- air device
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- 238000009826 distribution Methods 0.000 claims description 6
- 238000005243 fluidization Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010117 shenhua Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
Provided is an air supply device. The air supply device comprises an air supply pipe (1) and an air source distributing pipe (2). The air source distributing pipe (2) is arranged inside the air supply pipe, two ends of the air source distributing (2) are closed, an air inlet (3) and a plurality of air source distributing holes (4) are respectively arranged on two opposite sides of the air source distributing pipe (2), the air inlet (3) is communicated with the outside of the air supply pipe (1), the air source distributing holes (4) are axially distributed along the air source distributing pipe (2), and axes of at least part of air source distributing holes (4)are parallel to axes of the air inlet (3). Besides, the utility model further provides an ash handling system with the air supply device. Due to the fact that the air source distributing holes are axially distributed along the air source distributing pipe, annular vortexes can't be produced, pressure of air ejected from the air source distributing holes is relatively uniform, wearing of the air supply pipe is reduced, and accordingly ash leaking of the air supply device is prevented.
Description
Technical field
The utility model relates to the thermal power generation field, particularly, relates to a kind of making-up air device and the ash disposal system that comprises this making-up air device.
Background technology
The Shenhua hundred million sharp limited energy 4 * 200MW of responsible company unit cleaners adopt sack cleaner equipment; Malleation concentrated phase pneumatic ash removal system is adopted in the ash bucket ash discharge; At Cang Bengdechukouchu making-up air device is installed,, prevents clogging phenomenon so that ash is carried out fluidization treatment.As depicted in figs. 1 and 2; Existing making-up air device comprises blowdown pipe 1 and is fixed on the abrasionproof lining 9 in the blowdown pipe 1; Be formed with toroidal cavity 12 between blowdown pipe 1 and the abrasionproof lining 9; Blowdown pipe 1 is provided with the tonifying Qi air inlet 10 that communicates with toroidal cavity 12, and the part of the formation toroidal cavity 12 of abrasionproof lining 9 is provided with a plurality of apertures 11, and these a plurality of apertures 11 evenly distribute and in the extension in the radial direction of abrasionproof lining 9 along the circumferential direction of abrasionproof lining 9.During work, gas gets in the toroidal cavity 12 through tonifying Qi air inlet 10, in this toroidal cavity 12, flows then, through 11 ejections of the aperture on the abrasionproof lining 9., gas forms annular whirlpool when flowing in toroidal cavity 12; Like this will be in flow process erosive wear abrasionproof lining 9 constantly, make that the shape of aperture 11 and aperture are inconsistent, pressure and direction all change in the time of in air-flow gets into the blowing pipe road; The wearing and tearing of abrasionproof lining 9 and blowdown pipe 1 have been accelerated; Thereby cause making-up air device often to leak ash, polluted on-the-spot production environment, and cause the ash disposal system maintenance of often stopping transport; Thereby increased maintainer's working strength, influenced the normal operation of ash disposal system.In addition, owing to need often to change making-up air device, so increased use cost.
The utility model content
The purpose of the utility model provides a kind of making-up air device that can prevent the making-up air device and the ash disposal system that comprises this making-up air device of grey phenomenon takes place to leak.
To achieve these goals, the utility model provides a kind of making-up air device, and this making-up air device comprises blowdown pipe; Wherein, This making-up air device also comprises the source of the gas distributing pipe, and this source of the gas distributing pipe is arranged on the inside of said blowdown pipe, and the closed at both ends of this source of the gas distributing pipe; The relative both sides of this source of the gas distributing pipe are respectively arranged with air inlet and a plurality of source of the gas dispensing orifice; The exterior of said air inlet and said blowdown pipe, said a plurality of source of the gas dispensing orifices are along the axial directional distribution of said source of the gas distributing pipe, and the axis of at least a portion source of the gas dispensing orifice and the parallel axes of said air inlet.
Preferably, said source of the gas distributing pipe is fixed on the said blowdown pipe.
Preferably, the parallel axes of the axis of said source of the gas distributing pipe and said blowdown pipe.
Preferably, said source of the gas dispensing orifice becomes arranged along the axial direction of said source of the gas distributing pipe, wherein the parallel axes of the axis of an exhaust source dispensing orifice and said air inlet.
Preferably, said source of the gas dispensing orifice is distributed in the both sides of said air inlet.
Preferably, said source of the gas dispensing orifice is three rows, and other two exhaust source dispensing orifices are positioned at the said wherein both sides of an exhaust source dispensing orifice.
Preferably, the angle between the axis of the axis of a said wherein exhaust source dispensing orifice and said other two exhaust source dispensing orifices is 30 degree～45 degree.
Preferably, said other two exhaust source dispensing orifices and a said wherein exhaust source dispensing orifice are staggeredly arranged.
Preferably, said source of the gas dispensing orifice is circular, and the diameter of this circle source of the gas dispensing orifice is 3 millimeters～5 millimeters.
Preferably, in same exhaust source dispensing orifice, the spacing of adjacent two said source of the gas dispensing orifices is 30 millimeters～50 millimeters.
Preferably, said source of the gas distributing pipe is provided with the air inlet pipe that communicates with said air inlet, and this air inlet pipe is stretched out from said blowdown pipe.
Preferably, on the said air inlet pipe restricting orifice is installed.
Preferably, on the said air inlet pipe check-valves is installed, this check-valves is positioned at the upper reaches of said restricting orifice.
Preferably, on the said air inlet pipe switch valve is installed, this switch valve is positioned at the upper reaches of said check-valves.
In addition; The utility model also provides a kind of ash disposal system, and this ash disposal system comprises storehouse pump, making-up air device and source of the gas, and said making-up air device is arranged on said Cang Bengdechukouchu; Wherein, Said making-up air device is the making-up air device that the utility model provided, and an end of the blowdown pipe of said making-up air device is connected with said storehouse pump, and the air inlet of the source of the gas distributing pipe of said making-up air device is connected with said source of the gas.
Because the source of the gas dispensing orifice is along the axial directional distribution of source of the gas distributing pipe; So can not produce annular whirlpool, comparatively even from the pressure of the gas of source of the gas dispensing orifice ejection, reduced the wearing and tearing of blowdown pipe; Thereby prevented that making-up air device from grey phenomenon taking place to leak; Avoid the pollution of in-situ production environment, reduced maintainer's working strength, guaranteed the normal operation of ash disposal system.In addition, owing to do not need often to change making-up air device, so reduced use cost.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is that the master of existing making-up air device looks cutaway view;
Fig. 2 is the cutaway view of cutting open along A-A line among Fig. 1;
Fig. 3 is that the master of the making-up air device that provides of the utility model looks cutaway view;
Fig. 4 is the cutaway view of cutting open along B-B line among Fig. 3;
Fig. 5 is the cutaway view of cutting open along C-C line among Fig. 3.
Description of reference numerals
1: blowdown pipe; 2: the source of the gas distributing pipe; 3: air inlet; 4: the source of the gas dispensing orifice; 5: air inlet pipe; 6: restricting orifice; 7: check-valves; 8: switch valve; 9: the abrasionproof lining; 10: the tonifying Qi air inlet; 11: aperture; 12: toroidal cavity; 13: flange.
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use is that the user mode of the making-up air device that provides at the utility model is undefined like " upper and lower ", and the term of use " upper reaches " defines with respect to gas flow direction.
Like Fig. 3 and shown in Figure 4, the utility model provides a kind of making-up air device, and this making-up air device comprises blowdown pipe 1; Wherein, This making-up air device also comprises source of the gas distributing pipe 2, and this source of the gas distributing pipe 2 is arranged on the inside of said blowdown pipe 1, and the closed at both ends of this source of the gas distributing pipe 2; The relative both sides of this source of the gas distributing pipe 2 are respectively arranged with air inlet 3 and a plurality of source of the gas dispensing orifices 4; The exterior of said air inlet 3 and said blowdown pipe 1, said a plurality of source of the gas dispensing orifices 4 are along the axial directional distribution of said source of the gas distributing pipe 2, and the parallel axes of the axis of at least a portion source of the gas dispensing orifice 4 and said air inlet 3.
The making-up air device that the utility model provides in use, air inlet 3 is usually located at the upside of source of the gas distributing pipe 2, source of the gas dispensing orifice 4 is usually located at the downside of source of the gas distributing pipe 2.
During the making-up air device work that provides when the utility model; The ash that from the pump of storehouse, comes out flows along the direction shown in the arrow A; Gas gets in the source of the gas distributing pipe 2 through air inlet 3 along the direction shown in the arrow B; And through 4 outflows of the source of the gas dispensing orifice on the source of the gas distributing pipe 2, the ash that drives the blowdown pipe 1 from source of the gas dispensing orifice 4 effluent airs flows, thereby ash is played fluidization.Because source of the gas dispensing orifice 4 is along the axial directional distribution of source of the gas distributing pipe 2; So can not produce annular whirlpool, comparatively even from the pressure of the gas of source of the gas dispensing orifice 4 ejection, reduced the wearing and tearing of blowdown pipe 1; Thereby prevented that making-up air device from grey phenomenon taking place to leak; Avoid the pollution of in-situ production environment, reduced maintainer's working strength, guaranteed the normal operation of ash disposal system.In addition, owing to do not need often to change making-up air device, so reduced use cost.
Source of the gas distributing pipe 2 is fixing for ease, and preferably, said source of the gas distributing pipe 2 is fixed on the said blowdown pipe 1.Source of the gas distributing pipe 2 can be fixed on the blowdown pipe 1 through the mode of for example welding.
Arrange for ease, preferably, the parallel axes of the axis of said source of the gas distributing pipe 2 and said blowdown pipe 1.As selection, source of the gas distributing pipe 2 also can be obliquely installed with respect to blowdown pipe 1 a little.
It is circular that the cross section of source of the gas distributing pipe 2 is generally.As selection, the cross section of source of the gas distributing pipe 2 also can be square or other shape.
Arrange that for ease preferably, said source of the gas dispensing orifice 4 becomes arranged along the axial direction of said source of the gas distributing pipe 2, wherein the parallel axes of the axis of an exhaust source dispensing orifice 4 and said air inlet 3.
For prevent gas when getting in the source of the gas distributing pipes 2 through air inlet 3 directly through flowing out with air inlet 3 relative source of the gas dispensing orifices 4, thereby cause the loss of gas, preferably, said source of the gas dispensing orifice 4 is distributed in the both sides of said air inlet 3.
Source of the gas dispensing orifice 4 can be set to a row, also can be set to many rows.As shown in Figure 5, in order to improve fluid effect, preferably, said source of the gas dispensing orifice 4 is three rows, and other two exhaust source dispensing orifices 4 are positioned at the said wherein both sides of an exhaust source dispensing orifice 4.The aperture that is positioned at two exhaust source dispensing orifices 4 of an exhaust source dispensing orifice 4 both sides wherein is usually less than the said wherein aperture of an exhaust source dispensing orifice 4.
Wherein the angle between the axis of the axis of an exhaust source dispensing orifice 4 and said other two exhaust source dispensing orifices 4 can suitably be selected; In order to obtain better fluid effect; Preferably, the angle between the axis of the axis of a said wherein exhaust source dispensing orifice 4 and said other two exhaust source dispensing orifices 4 is 30 degree～45 degree.More preferably, said other two exhaust source dispensing orifices 4 are staggeredly arranged with a said wherein exhaust source dispensing orifice 4.
It is circular that said source of the gas dispensing orifice 4 is generally, and the diameter of this circle source of the gas dispensing orifice 4 can suitably be selected, and the diameter of for example circular source of the gas dispensing orifice 4 can be 3 millimeters～5 millimeters.
In addition, in same exhaust source dispensing orifice 4, the spacing of adjacent two said source of the gas dispensing orifices 4 can be 30 millimeters～50 millimeters.
Source of the gas distributing pipe 2 is connected with source of the gas for ease, and preferably, said source of the gas distributing pipe 2 is provided with the air inlet pipe 5 that communicates with said air inlet 3, and this air inlet pipe 5 is stretched out from said blowdown pipe 1.Air inlet pipe 5 can be integrally formed with source of the gas distributing pipe 2, also can form respectively with source of the gas distributing pipe 2, and the mode through welding connects then.In addition, need sealing between air inlet pipe 5 and the blowdown pipe 1 usually, for example the encapsulant through various routines seals.It is circular that air inlet 3 is generally, and it is circular that the air inlet pipe 5 that communicates with air inlet 3 also is generally.
Control the flow of gas for ease, preferably, on the said air inlet pipe 5 restricting orifice 6 is installed.The mounting means of restricting orifice 6 on air inlet pipe 5 is conventionally known to one of skill in the art, repeats no more at this.
In order to prevent that ash from flowing backwards in the source of the gas pipe, preferably, on the said air inlet pipe 5 check-valves 7 is installed, this check-valves 7 is positioned at the upper reaches of said restricting orifice 6.The mounting means of check-valves 7 on air inlet pipe 5 is conventionally known to one of skill in the art, repeats no more at this.
Maintenance preferably, is equipped with switch valve 8 on the said air inlet pipe 5 for ease, and this switch valve 8 is positioned at the upper reaches of said check-valves 7.The mounting means of switch valve 8 on air inlet pipe 5 is conventionally known to one of skill in the art, repeats no more at this.
The connection of blowdown pipe 1 for ease, the two ends of blowdown pipe 1 are provided with flange 13 usually.
In addition; The utility model also provides a kind of ash disposal system, and this ash disposal system comprises storehouse pump, making-up air device and source of the gas, and said making-up air device is arranged on said Cang Bengdechukouchu; Wherein, Said making-up air device is the making-up air device that the utility model provided, and an end of the blowdown pipe 1 of said making-up air device is connected with said storehouse pump, and the air inlet 3 of the source of the gas distributing pipe 2 of said making-up air device is connected with said source of the gas.
One end of blowdown pipe 1 can be connected with the storehouse pump through flange 13, and the other end of blowdown pipe 1 can be connected to another one storehouse pump or be connected to grey storehouse through pipeline.
The air inlet 3 of the source of the gas distributing pipe 2 of making-up air device is connected with source of the gas, for example is connected with source of the gas through air inlet pipe 5.
The structure of storehouse pump and source of the gas is conventionally known to one of skill in the art, repeats no more at this.
During the making-up air device work that provides when the utility model specific embodiment; The ash that from the pump of storehouse, comes out flows along the direction shown in the arrow A; Gas gets in the source of the gas distributing pipe 2 through air inlet pipe 5 along the direction shown in the arrow B; And through 4 outflows of the source of the gas dispensing orifice on the source of the gas distributing pipe 2, the ash that drives the blowdown pipe 1 from source of the gas dispensing orifice 4 effluent airs flows, thereby ash is played fluidization.Because source of the gas dispensing orifice 4 is along the axial directional distribution of source of the gas distributing pipe 2; So can not produce annular whirlpool, comparatively even from the pressure of the gas of source of the gas dispensing orifice 4 ejection, reduced the wearing and tearing of blowdown pipe 1; Thereby prevented that making-up air device from grey phenomenon taking place to leak; Avoid the pollution of in-situ production environment, reduced maintainer's working strength, guaranteed the normal operation of ash disposal system.In addition, owing to do not need often to change making-up air device, so reduced use cost.And the making-up air device through the utility model specific embodiment provides can increase the tonifying Qi region area, has disperseed the bleed pressure of concentrated tonifying Qi, in the fluidisation ash conveying pipe, in the ash, has greatly alleviated gas washing away pipeline.Moreover the making-up air device through the utility model provides can also reduce the gas use amount.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (15)
1. making-up air device; This making-up air device comprises blowdown pipe (1), it is characterized in that, this making-up air device also comprises source of the gas distributing pipe (2); This source of the gas distributing pipe (2) is arranged on the inside of said blowdown pipe (1); And the closed at both ends of this source of the gas distributing pipe (2), the relative both sides of this source of the gas distributing pipe (2) are respectively arranged with air inlet (3) and a plurality of source of the gas dispensing orifice (4), the exterior of said air inlet (3) and said blowdown pipe (1); Said a plurality of source of the gas dispensing orifices (4) are along the axial directional distribution of said source of the gas distributing pipe (2), and the parallel axes of the axis of at least a portion source of the gas dispensing orifice (4) and said air inlet (3).
2. making-up air device according to claim 1 is characterized in that, said source of the gas distributing pipe (2) is fixed on the said blowdown pipe (1).
3. making-up air device according to claim 1 is characterized in that, the parallel axes of the axis of said source of the gas distributing pipe (2) and said blowdown pipe (1).
4. making-up air device according to claim 3 is characterized in that, said source of the gas dispensing orifice (4) becomes arranged along the axial direction of said source of the gas distributing pipe (2), wherein the parallel axes of the axis of an exhaust source dispensing orifice (4) and said air inlet (3).
5. making-up air device according to claim 4 is characterized in that, said source of the gas dispensing orifice (4) is distributed in the both sides of said air inlet (3).
6. making-up air device according to claim 5 is characterized in that, said source of the gas dispensing orifice (4) is three rows, and other two exhaust source dispensing orifices (4) are positioned at the said wherein both sides of an exhaust source dispensing orifice (4).
7. making-up air device according to claim 6 is characterized in that, the angle between the axis of a said wherein exhaust source dispensing orifice (4) and the axis of said other two exhaust source dispensing orifices (4) is 30 degree～45 degree.
8. making-up air device according to claim 6 is characterized in that, said other two exhaust source dispensing orifices (4) are staggeredly arranged with a said wherein exhaust source dispensing orifice (4).
9. according to any described making-up air device in the claim 4 to 8, it is characterized in that said source of the gas dispensing orifice (4) is circular, the diameter of this circle source of the gas dispensing orifice (4) is 3 millimeters～5 millimeters.
10. making-up air device according to claim 9 is characterized in that, in same exhaust source dispensing orifice (4), the spacing of adjacent two said source of the gas dispensing orifices (4) is 30 millimeters～50 millimeters.
11. making-up air device according to claim 1 is characterized in that, said source of the gas distributing pipe (2) is provided with the air inlet pipe (5) that communicates with said air inlet (3), and this air inlet pipe (5) is stretched out from said blowdown pipe (1).
12. making-up air device according to claim 11 is characterized in that, restricting orifice (6) is installed on the said air inlet pipe (5).
13. making-up air device according to claim 12 is characterized in that, check-valves (7) is installed on the said air inlet pipe (5), this check-valves (7) is positioned at the upper reaches of said restricting orifice (6).
14. making-up air device according to claim 13 is characterized in that, switch valve (8) is installed on the said air inlet pipe (5), this switch valve (8) is positioned at the upper reaches of said check-valves (7).
15. ash disposal system; This ash disposal system comprises storehouse pump, making-up air device and source of the gas; Said making-up air device is arranged on said Cang Bengdechukouchu, it is characterized in that, said making-up air device is according to any described making-up air device in the claim 1 to 14; One end of the blowdown pipe of said making-up air device (1) is connected with said storehouse pump, and the air inlet (3) of the source of the gas distributing pipe (2) of said making-up air device is connected with said source of the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204791494U CN202387329U (en) | 2011-11-25 | 2011-11-25 | Air supply device and ash handling system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204791494U CN202387329U (en) | 2011-11-25 | 2011-11-25 | Air supply device and ash handling system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202387329U true CN202387329U (en) | 2012-08-22 |
Family
ID=46662281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204791494U Expired - Lifetime CN202387329U (en) | 2011-11-25 | 2011-11-25 | Air supply device and ash handling system with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202387329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380268A (en) * | 2011-11-25 | 2012-03-21 | 中国神华能源股份有限公司 | Gas supplementing device and ash removing system comprising same |
-
2011
- 2011-11-25 CN CN2011204791494U patent/CN202387329U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380268A (en) * | 2011-11-25 | 2012-03-21 | 中国神华能源股份有限公司 | Gas supplementing device and ash removing system comprising same |
| CN102380268B (en) * | 2011-11-25 | 2014-04-02 | 中国神华能源股份有限公司 | Gas supplementing device and ash removing system comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20140402 |
|
| RGAV | Abandon patent right to avoid regrant |