CN210765188U - Improved pulverized coal gasification burner - Google Patents
Improved pulverized coal gasification burner Download PDFInfo
- Publication number
- CN210765188U CN210765188U CN201920628841.5U CN201920628841U CN210765188U CN 210765188 U CN210765188 U CN 210765188U CN 201920628841 U CN201920628841 U CN 201920628841U CN 210765188 U CN210765188 U CN 210765188U
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- CN
- China
- Prior art keywords
- oxygen
- channel
- cooling water
- pipe
- channel pipe
- 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.)
- Withdrawn - After Issue
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- 239000003245 coal Substances 0.000 title claims abstract description 79
- 238000002309 gasification Methods 0.000 title claims abstract description 18
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 79
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000001301 oxygen Substances 0.000 claims abstract description 63
- 239000000843 powder Substances 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 2
- 239000002817 coal dust Substances 0.000 claims 7
- 239000010408 film Substances 0.000 claims 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Abstract
The utility model discloses an improved generation coal powder gasification nozzle, including oxygen passageway pipe and buggy passageway pipe, oxygen center passageway pipe one end sets up to sealed piece, the oxygen center passageway outside of tubes is provided with buggy passageway pipe, the outside of buggy passageway pipe is provided with oxygen outside passageway pipe, oxygen outside passageway pipe with oxygen center passageway pipe intercommunication, sealed piece sets up to the toper structure, and the conical head is corresponding the buggy entry, buggy passageway pipe inner wall is corresponding the awl bottom position of sealed piece is provided with the arc recess, sealed piece upper portion is provided with the screw thread, all be provided with the diamond-like carbon film on sealed piece surface, the arc recess. The utility model has the advantages of avoid the nozzle to damage, reduce the pipeline wearing and tearing, can directly upgrade with the direct replacement of current shell tablet technique buggy nozzle, need not to change the fire door piping, its mainly used upgrades to current shell tablet technique buggy nozzle replacement.
Description
Technical Field
The utility model relates to a combustion apparatus technical field, specific improved generation coal powder gasification nozzle that says so.
Background
At present, the domestic shell dry coal powder gasification burner is a two-channel water-cooling jacket type gasification burner, as shown in figure 3, the central channel of the domestic shell dry coal powder gasification burner is a coal powder conveying channel (102), an annular oxygen channel (101) is arranged around the outer side of the coal powder conveying channel, in actual use, the temperature of the gasification furnace can reach 1600 ℃, and oxygen and coal powder sprayed out wraps coal powder on the outer side, so the oxygen and combustible gas in the gasification furnace can be combusted at the outlet position of the burner, and the problem that the burner is easy to burn is caused.
The overwhelmingly nozzle that uses patent number 200710193983.5 in the market at present, and to reducing the method that the nozzle damaged and mostly for carrying out the nozzle transformation, will certainly make the change to the original furnace mouth piping position everywhere of burning furnace like this, the change of nozzle just is very inconvenient like this.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned weak point that exists among the prior art, the utility model aims at providing an avoid the nozzle to damage, reduce pipeline wearing and tearing, can directly with the direct replacement of current shell tablet technique buggy nozzle upgrade, need not to change the fire door piping.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: an improved pulverized coal gasification burner comprises an oxygen passage pipe and a pulverized coal passage pipe, wherein the oxygen passage pipe comprises an oxygen outer side passage pipe and an oxygen center passage pipe, one end of the oxygen center passage pipe is provided with a sealing block, the pulverized coal passage pipe is arranged on the outer side of the oxygen center passage pipe, the oxygen outer side passage pipe is arranged on the outer side of the pulverized coal passage pipe, the oxygen outer side passage pipe is communicated with the oxygen center passage pipe, the end of the burner is provided with a distributor, the center inlet of the distributor is communicated with the pulverized coal passage pipe, the outlet of the distributor is fixedly connected with a pulverized coal nozzle, the oxygen center passage pipe penetrates through the distributor and is fixedly connected with the oxygen nozzle, the oxygen outer side passage pipe is communicated with an oxygen inlet, the pulverized coal passage pipe is communicated with a pulverized coal inlet, and the pulverized coal inlet and the oxygen center passage pipe are coaxially arranged, the coal powder inlet is close to the sealing block, the sealing block is of a conical structure, the conical head of the sealing block corresponds to the coal powder inlet, an arc-shaped groove is formed in the inner wall of the coal powder channel pipe corresponding to the conical bottom of the sealing block, a diamond-like film is arranged on the surface of the inner wall of the arc-shaped groove, threads are arranged on the upper portion of the sealing block, and the diamond-like film is also arranged on the surface of the sealing block.
The utility model discloses an oxygen cooling water inlet channel, including oxygen outside channel pipe, cooling channel intraductal cooling water inlet channel and the cooling water outlet channel of being provided with, cooling water inlet channel with cooling water outlet channel intercommunication, the last intercommunication of cooling water inlet channel has the cooling water import, the last intercommunication of cooling water outlet channel has the cooling water export.
And a cooling channel is arranged in the distributor, and is communicated with the cooling water inlet channel and the cooling water outlet channel.
And the oxygen inlet, the coal powder inlet, the cooling water inlet and the cooling water outlet are respectively provided with a control valve, and the control valves adopt one or more of manual control or electric control.
And the oxygen inlet, the coal powder inlet, the cooling water inlet and the cooling water outlet are respectively provided with a connecting flange, and the outer side of the cooling channel pipe is provided with a large flange.
The diamond-like carbon film is hydrogenated diamond-like carbon film.
The diamond-like film on the surface of the sealing block is 8-12 μm, and the diamond-like film on the surface of the inner wall of the arc-shaped groove is 18-30 μm.
The utility model discloses following beneficial effect has:
1. the device is different from the prior art, the central channel is an oxygen channel, the outer channel is a coal powder channel, so that oxygen and coal powder are sprayed out, the oxygen is positioned in the inner part, and the coal powder is positioned at the outer side, so that the coal powder on the outer side can be rapidly dispersed, and the burner damage caused by burning at the end of the burner is avoided;
2. the device is characterized in that a sealing block is arranged at one end of an oxygen central channel pipe, the sealing block is arranged in a conical structure, so that pulverized coal flows more smoothly, an arc-shaped groove is formed in the inner wall of the pulverized coal channel pipe, pulverized coal drained from the sealing block can be buffered through the arc-shaped groove, the abrasion of the inner wall of the pulverized coal channel pipe is reduced, and further, a thread is arranged on the sealing block, so that the pulverized coal forms a spiral state after entering, the pulverized coal is guided into the pulverized coal channel pipe better, and the direct impact abrasion of the sealing block can be reduced;
3. this device is when improving to do not change the position of the external each connecting tube of present shell brand technique buggy nozzle, thereby adopt the utility model discloses can directly replace original device, avoid appearing the not identical condition of replacement.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a detailed structure at A0 in FIG. 1;
fig. 3 is a schematic diagram of a conventional apparatus.
In the figure: the device comprises a pulverized coal channel pipe 1, an oxygen outer channel pipe 2, an oxygen central channel pipe 3, a sealing block 4, a distributor 5, a pulverized coal nozzle 6, an oxygen nozzle 7, an oxygen inlet 8, a pulverized coal inlet 9, an arc-shaped groove 10, a thread 11, a cooling channel pipe 12, a cooling water inlet 13, a cooling water outlet 14, a connecting flange 15 and a large flange 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an improved pulverized coal gasification burner comprises an oxygen passage tube and a pulverized coal passage tube 1, wherein the oxygen passage tube comprises an oxygen outside passage tube 2 and an oxygen center passage tube 3, one end of the oxygen center passage tube 3 is provided with a sealing block 4, the outside of the oxygen center passage tube 3 is provided with the pulverized coal passage tube 1, the outside of the pulverized coal passage tube 1 is provided with the oxygen outside passage tube 2, the oxygen outside passage tube 2 is communicated with the oxygen center passage tube 3, the end of the burner is provided with a distributor 5, the center inlet of the distributor 5 is communicated with the pulverized coal passage tube 1, the outlet of the distributor 5 is fixedly connected with a pulverized coal nozzle 6, the oxygen center passage tube 3 passes through the distributor 5 and is fixedly connected with an oxygen nozzle 7, the oxygen outside passage tube 2 is communicated with an oxygen inlet 8, the pulverized coal passage tube 1 is communicated with a pulverized coal inlet 9, the pulverized coal inlet 9 is coaxially arranged with the oxygen, the coal powder inlet 9 is close to the sealing block 4, the sealing block 4 is of a conical structure, the conical head corresponds to the coal powder inlet 9, an arc-shaped groove 10 is formed in the position, corresponding to the conical bottom of the sealing block 4, of the inner wall of the coal powder channel pipe 1, a diamond-like carbon film is arranged on the surface of the inner wall of the arc-shaped groove 10, threads 11 are arranged on the upper portion of the sealing block 4, a diamond-like carbon film is also arranged on the surface of the sealing block 4, the diamond-like carbon film is a hydrogenated diamond-like carbon film, the diamond-like carbon film on the surface of the sealing block is 8-12 microns, and the diamond-like carbon film on.
In the utility model, a cooling channel pipe 12 is arranged outside the oxygen outside channel pipe 2, a cooling water inlet channel and a cooling water outlet channel are arranged in the cooling channel pipe 12, the cooling water inlet channel is communicated with the cooling water outlet channel, the cooling water inlet channel is communicated with a cooling water inlet 13, the cooling water outlet channel is communicated with a cooling water outlet 14, a cooling channel is arranged in the distributor 5, and the cooling channel is communicated with the cooling water inlet channel and the cooling water outlet channel, so that the burner is effectively cooled;
the oxygen inlet 8, the coal powder inlet 9, the cooling water inlet 13 and the cooling water outlet 14 are all provided with control valves, and the control valves adopt one or more of manual control or electric control and are used for regulating and controlling the flow rate of oxygen, coal powder and cooling water on site;
the oxygen inlet 8, the coal powder inlet 9, the cooling water inlet 13 and the cooling water outlet 14 are respectively provided with a connecting flange 15 for respectively connecting an oxygen conveying pipeline, a coal powder conveying pipeline, a cooling water inlet pipeline and a cooling water outlet pipeline, and the outer side of the cooling channel pipe 12 is provided with a large flange 16 for integrally connecting the device on the furnace.
The utility model discloses a theory of operation is: when in use, oxygen enters the oxygen outer side channel pipe 2 through the oxygen inlet 8 in sequence, the oxygen center channel pipe 3, coal powder enters the coal powder channel pipe 1 through the coal powder inlet 9, then the oxygen is sprayed out from the middle of the device through the oxygen nozzle 7, the coal powder is sprayed out from the coal powder nozzle 6 at the edge of the device after being uniformly distributed through the distributor 5, the oxygen is positioned inside after the oxygen and the coal powder are sprayed out, the coal powder is positioned outside, the coal powder at the outside can be rapidly dispersed, thereby avoiding burning at the end of the burner, causing damage to the burner, the conical sealing block 4 enables the coal powder to flow more smoothly, the coal powder guided from the sealing block 4 can be buffered through the arc-shaped groove 10, thereby reducing the abrasion of the inner wall of the coal powder channel pipe 1, further, the sealing block 4 is provided with threads 11, so that the coal powder forms a spiral state after entering, thereby better guiding the coal powder, and also reduces direct impact wear on the seal block 4.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides an improved generation buggy gasification nozzle, includes oxygen passageway pipe and buggy passageway pipe (1), its characterized in that: the oxygen channel pipe comprises an oxygen outer side channel pipe (2) and an oxygen central channel pipe (3), one end of the oxygen central channel pipe (3) is arranged to be a sealing block (4), the outer side of the oxygen central channel pipe (3) is provided with the pulverized coal channel pipe (1), the outer side of the pulverized coal channel pipe (1) is provided with the oxygen outer side channel pipe (2), the oxygen outer side channel pipe (2) is communicated with the oxygen central channel pipe (3), the end of the burner is provided with a distributor (5), the center inlet of the distributor (5) is communicated with the pulverized coal channel pipe (1), the outlet of the distributor (5) is fixedly connected with a pulverized coal nozzle (6), the oxygen central channel pipe (3) penetrates through the distributor (5) and is fixedly connected with an oxygen nozzle (7), and the oxygen outer side channel pipe (2) is communicated with an oxygen inlet (8), the coal dust channel pipe is characterized in that a coal dust inlet (9) is communicated with the coal dust channel pipe (1), the coal dust inlet (9) is coaxially arranged with the oxygen center channel pipe (3), the coal dust inlet (9) is close to the sealing block (4), the sealing block (4) is arranged to be of a conical structure, the conical head of the sealing block is corresponding to the coal dust inlet (9), the inner wall of the coal dust channel pipe (1) is corresponding to the conical bottom of the sealing block (4) and is provided with an arc-shaped groove (10), the inner wall of the arc-shaped groove (10) is provided with a diamond-like thin film on the surface, the upper portion of the sealing block (4) is provided with threads (11), and the sealing block (4) is also provided with the.
2. An improved pulverized coal gasification burner as recited in claim 1, wherein: the utility model discloses an oxygen gas cooling device, including oxygen outside channel pipe (2), cooling channel pipe (12) are provided with in cooling channel pipe (12) cooling water inlet channel and cooling water outlet channel, cooling water inlet channel with cooling water outlet channel intercommunication, the last intercommunication of cooling water inlet channel has cooling water import (13), the last intercommunication of cooling water outlet channel has cooling water outlet (14).
3. An improved pulverized coal gasification burner as claimed in claim 1 or 2, characterized in that: and a cooling channel is arranged in the distributor (5), and is communicated with the cooling water inlet channel and the cooling water outlet channel.
4. An improved pulverized coal gasification burner as recited in claim 1, wherein: and control valves are arranged on the oxygen inlet (8), the coal powder inlet (9), the cooling water inlet (13) and the cooling water outlet (14), and the control valves adopt one or more of manual control or electric control.
5. An improved pulverized coal gasification burner as claimed in claim 1 or 2, characterized in that: and the oxygen inlet (8), the coal powder inlet (9), the cooling water inlet (13) and the cooling water outlet (14) are respectively provided with a connecting flange (15), and the outer side of the cooling channel pipe (12) is provided with a large flange (16).
6. An improved pulverized coal gasification burner as recited in claim 1, wherein: the diamond-like carbon film is hydrogenated diamond-like carbon film.
7. An improved pulverized coal gasification burner as recited in claim 1, wherein: the diamond-like film on the surface of the closed block is 8-12 mu m, and the diamond-like film on the inner wall surface of the arc-shaped groove (10) is 18-30 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628841.5U CN210765188U (en) | 2019-05-05 | 2019-05-05 | Improved pulverized coal gasification burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920628841.5U CN210765188U (en) | 2019-05-05 | 2019-05-05 | Improved pulverized coal gasification burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210765188U true CN210765188U (en) | 2020-06-16 |
Family
ID=71037048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920628841.5U Withdrawn - After Issue CN210765188U (en) | 2019-05-05 | 2019-05-05 | Improved pulverized coal gasification burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210765188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929595A (en) * | 2019-05-05 | 2019-06-25 | 西安沃尔德能动科技有限公司 | A kind of modified coal dust gasification burner |
-
2019
- 2019-05-05 CN CN201920628841.5U patent/CN210765188U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929595A (en) * | 2019-05-05 | 2019-06-25 | 西安沃尔德能动科技有限公司 | A kind of modified coal dust gasification burner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200616 Effective date of abandoning: 20240524 |