CN204237757U - A kind of spiral nozzle cover - Google Patents
A kind of spiral nozzle cover Download PDFInfo
- Publication number
- CN204237757U CN204237757U CN201420715988.5U CN201420715988U CN204237757U CN 204237757 U CN204237757 U CN 204237757U CN 201420715988 U CN201420715988 U CN 201420715988U CN 204237757 U CN204237757 U CN 204237757U
- Authority
- CN
- China
- Prior art keywords
- coil pipe
- section coil
- spiral
- nozzle cover
- 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- Withdrawn - After Issue
Links
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 239000003063 flame retardant Substances 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 14
- 244000309464 bull Species 0.000 claims description 3
- 230000003245 working effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000003570 air Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003818 cinder Substances 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a kind of spiral nozzle cover, belong to air flow bed burner arts, described nozzle cover comprises input channel, output channel and spiral pipe, the two ends of described spiral pipe are connected with described input channel, described output channel, described spiral pipe inside is provided with heat-eliminating medium, described spiral pipe comprises the cover section coil pipe for cool burner and the card section coil pipe for cooled hearth wall, and the wall of the annular disk surfaces that described card section coil pipe is formed and described hearth wall keeps level.The spiral nozzle cover that the utility model provides, by increasing the card pipeline can lowered the temperature to burner hearth wall, significantly reduces the possibility that burner hearth wall burns, improves the work-ing life of vapourizing furnace.
Description
Technical field
The utility model relates to air flow bed burner arts, more specifically, relates to a kind of spiral nozzle cover.
Background technology
The coal gasification reaction of air flow bed, normally carries out, fuel under the environment of High Temperature High Pressure, as fine coal, coal slurry etc., as oxygen, air, water or water vapor etc., spray in vapourizing furnace burner hearth by burner/burner, generation imperfect combustion is reacted, and temperature is generally at about 1400 DEG C.Due to the jet entrainment effect of high-velocity fluid and the complicacy of furnace gas composition of burner/burner ejection, be positioned at the easy scaling loss of burner/burner on vapourizing furnace, the long period of the whole gasifier bed of impact safely and steadily runs by the scaling loss of burner/burner.
In order to solve the problem, usually can arrange nozzle cover in the periphery of burner/burner, can be described as again muffle cover, for the protection of burner/burner, nozzle cover is usually arranged on the wall of burner hearth.Chinese patent literature Authorization Notice No. CN202359081U discloses a kind of nozzle cover for powder coal gasification furnace burner, and the inside of nozzle cover is fixed with the ring-like cooling tube of multilayer, and the cross sectional arrangements of the ring-like cooling tube of multilayer is inverted trapezoidal.Though the burner of this structure effectively can prevent the blocking of cooling tube, but because the cross section of multilayer cooling tube is roughly in inverted trapezoidal or taper, and burner/burner should not to stretch into vapourizing furnace burner hearth too much, therefore due to the jet entrainment effect of high-velocity fluid, the jet that part fluid at a high speed can be made to be formed heats the burner hearth wall near the nozzle cover of nozzle periphery, the burner hearth wall at burner/burner place place is made to exceed a lot than other position hearth wall surface temperatures, this temperature contrast, easily cause the damage of burner hearth wall, and burner hearth wall normally global formation, maintenance is difficult to after damage.
Utility model content
In order to overcome the defect of prior art, technical problem to be solved in the utility model is to propose a kind of spiral nozzle cover, by increasing the card pipeline can lowered the temperature to burner hearth wall, significantly reducing the possibility that burner hearth wall burns, improve the work-ing life of vapourizing furnace.
For reaching this object, the utility model by the following technical solutions:
The spiral nozzle cover of the one that the utility model provides, comprise input channel, output channel and spiral pipe, the two ends of described spiral pipe are connected with described input channel, described output channel, described spiral pipe inside is provided with heat-eliminating medium, described spiral pipe comprises the cover section coil pipe for cool burner and the card section coil pipe for cooled hearth wall, and the wall of the annular disk surfaces that described card section coil pipe is formed and described hearth wall keeps level.
Further technical scheme of the present utility model: described cover section coil pipe comprises straight-line segment coil pipe and transition section coil pipe, the two ends of described transition section coil pipe are connected with described transition section coil pipe with described straight-line segment coil pipe respectively.
Further technical scheme of the present utility model: described burner is positioned at the inside of described spiral pipe, the opening of described burner is positioned at the inside of described transition section coil pipe.
Further technical scheme of the present utility model: the inner side of described cover section coil pipe, the side towards the fire of described card section coil pipe are provided with mounting block.
Further technical scheme of the present utility model: described mounting block is one or more in bitch, anchor nails or hexsteel.
Further technical scheme of the present utility model: described spiral pipe is formed by one or bull pipeline helical disk system.
Further technical scheme of the present utility model: the inner side of described cover section coil pipe, the side towards the fire of described card section coil pipe are also provided with flame retardant coating, and described mounting block is fixed on the inside of described flame retardant coating.
Further technical scheme of the present utility model: described flame retardant coating is configured to the structure be made up of SiC.
Further technical scheme of the present utility model: the cross section of described straight-line segment coil pipe is circular, oval or square.
Further technical scheme of the present utility model: be provided with flame retardant coating between described card section coil pipe and described hearth wall, the annular disk surfaces that described card section coil pipe is formed is contacted by the wall of described flame retardant coating with described hearth wall.
The beneficial effects of the utility model are:
The spiral nozzle cover that the utility model provides, be provided with can cool burner cover section coil pipe and can the card section coil pipe of cooled hearth wall, therefore this nozzle cover all has excellent cooling power to burner and hearth wall, especially improve the high temperature tolerance ability of hearth wall, extend the work-ing life of vapourizing furnace.The wall of the annular disk surfaces that card section coil pipe is formed and hearth wall keeps level, increases the wall shielded area of nozzle cover to hearth wall, effectively can prevent melt cinder from flowing in nozzle cover, avoid the jet effect affecting burner.
Accompanying drawing explanation
Fig. 1 is the sectional view of the spiral nozzle cover that the utility model embodiment provides;
Fig. 2 is the stereographic map of the spiral nozzle cover that the utility model embodiment provides.
In figure:
1, input channel; 2, output channel; 3, cover section coil pipe; 4, card section coil pipe; 5, hearth wall; 31, straight-line segment coil pipe; 32, transition section coil pipe; 6, burner; 7, mounting block; 8, flame retardant coating.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
As illustrated in fig. 1 and 2, the spiral nozzle cover of the one provided in the present embodiment one, comprise input channel 1, output channel 2, spiral pipe and burner 6, the two ends of spiral pipe and input channel 1, output channel 2 is connected, described input channel 1, described output channel 2 and spiral pipe inside are provided with heat-eliminating medium, heat-eliminating medium can water coolant, water coolant flows into from input channel 1, after spiral pipe, flow out from output channel 2, burner 6 is positioned at the inside of spiral pipe, the jet that burner 6 sprays is subject to the cooling effect of spiral pipe internal cooling medium, lower the temperature, thus avoid the damage of burner 6.
Spiral pipe comprises cover section coil pipe 3 and card section coil pipe 4, the liquid exit of cover section coil pipe 3 is connected with output channel 2, the liquid inlet of card section coil pipe 4 is connected with input channel 1, cover section coil pipe 3 is connected with card section coil pipe 4, cover section coil pipe 3 is for cool burner 6, and card section coil pipe 4 is for cooled hearth wall 5.Water coolant flows into from input channel 1, mainly cools hearth wall 5 through card section coil pipe 4, mainly cools burner 6 through cover section coil pipe 3, finally flows out from output channel 2.As can be seen here, the flow of cooling water direction in spiral pipe just in time sprays jet direction with burner 6 is contrary, is beneficial to formation adverse current, can improves the cooling performance of nozzle cover.The wall of the annular disk surfaces that card section coil pipe 4 is formed and hearth wall 5 keeps level, increases the wall shielded area of nozzle cover to hearth wall 5, can effectively prevent melt cinder from flowing in nozzle cover.
Further technical scheme in the present embodiment, cover section coil pipe 3 comprises straight-line segment coil pipe 31 and transition section coil pipe 32, and the two ends of transition section coil pipe 32 are connected with transition section coil pipe 32 with straight-line segment coil pipe 31 respectively.Wherein, the cooling performance difference of straight-line segment coil pipe 31 needed for different vapourizing furnace can be set to cross section for circular, oval or foursquare straight-line segment coil pipe 31; The vertical section of transition section coil pipe 32 can, for having the trapezoidal of symmetrical arc limit, also can be trapezoidal, and this shape is mainly used in the jet jet orifice that a burner 6 is formed at cover section coil pipe 3 bottom, has certain guide effect to jetting stream.
The opening of burner 6 is positioned at the inside of transition section coil pipe 32, and the jet that this setup had both been conducive to spraying from burner 6 can enter vapourizing furnace fast, is also conducive to straight-line segment coil pipe 31 and carries out cooling process to other positions except the opening except burner 6.
Further technical scheme in the present embodiment, the inner side of cover section coil pipe 3, the side towards the fire of card section coil pipe 4 are provided with the mounting block 7 for fixing spiral pipe, mounting block 7 is one or more in bitch, anchor nails or hexsteel, arrange mounting block 7 to compare other modes and be more conducive to strengthen spiral pipe adjacent two stabilityes and stability be fixedly connected with, also make nozzle cover integral reinforcing ability significantly strengthen.
Further technical scheme in the present embodiment, spiral pipe is configured to the structure by or bull pipeline helical disk system, and this dish structure is beneficial to the uniform of discharge, thus realizes the uniform decrease in temperature of burner 6.
Further technical scheme in the present embodiment, the inner side of cover section coil pipe 3, the side towards the fire of card section coil pipe 4 are also provided with flame retardant coating 8, and mounting block 7 is fixed on the inside of flame retardant coating 8.Flame retardant coating 8 can strengthen the ability of nozzle cover withstand high temperatures, and mounting block 7 is fixed on the inside of flame retardant coating 8, flame retardant coating 8 and mounting block 7 is solidified as a whole, further enhancing stability and the stability of nozzle cover entirety.Preferential further, flame retardant coating 8 is configured to the structure that the structure that is made up of SiC or other refractory materialss form, SiC material not only withstand high temperatures very competent, and quality is relatively light.
Preferred technical scheme in the present embodiment, flame retardant coating is provided with between card section coil pipe 4 and hearth wall 5, the annular disk surfaces that card section coil pipe 4 is formed is contacted by the wall of flame retardant coating with hearth wall 5, namely two sides of flame retardant coating formed with card section coil pipe 4 respectively annular disk surfaces, hearth wall 5 wall contact, this structure can by the contact heat trnasfer with card section coil pipe 4, improve the cooling performance of card section coil pipe 4 pairs of hearth walls 5, an effect of flame retardant coating 8 is to prevent hearth wall 5 from scorching or the low-quality disk face section coil pipe 4 that rubs; Its another one effect is, makes slag along the refractory matter circle between nozzle cover card outer and hearth wall 5 toward dirty, in the gap preventing slag from flowing between the two.
The utility model is described by preferred embodiment, and those skilled in the art know, when not departing from spirit and scope of the present utility model, can carry out various change or equivalence replacement to these characteristic sum embodiments.The utility model is not by the restriction of specific embodiment disclosed herein, and other embodiments fallen in the claim of the application all belong to the scope of the utility model protection.
Claims (10)
1. a spiral nozzle cover, comprise input channel (1), output channel (2) and spiral pipe, the two ends of described spiral pipe are connected with described input channel (1), described output channel (2), described spiral pipe inside is provided with heat-eliminating medium, it is characterized in that:
Described spiral pipe comprises the cover section coil pipe (3) for cool burner (6) and the card section coil pipe (4) for cooled hearth wall (5);
The wall of the annular disk surfaces that described card section coil pipe (4) is formed and described hearth wall (5) keeps level.
2. spiral nozzle cover according to claim 1, is characterized in that:
Described cover section coil pipe (3) comprises straight-line segment coil pipe (31) and transition section coil pipe (32);
The two ends of described transition section coil pipe (32) are connected with described transition section coil pipe (32) with described straight-line segment coil pipe (31) respectively.
3. spiral nozzle cover according to claim 2, is characterized in that:
Described burner (6) is positioned at the inside of described spiral pipe; With
The opening of described burner (6) is positioned at the inside of described transition section coil pipe (32).
4. spiral nozzle cover according to claim 1, is characterized in that:
The inner side of described cover section coil pipe (3), the side towards the fire of described card section coil pipe (4) are provided with mounting block (7).
5. spiral nozzle cover according to claim 4, is characterized in that:
Described mounting block (7) is bitch, one or more in anchor nails or hexsteel.
6. spiral nozzle cover according to claim 1, is characterized in that:
Described spiral pipe is configured to the structure by or bull pipeline helical disk system.
7. spiral nozzle cover according to claim 4, is characterized in that:
The inner side of described cover section coil pipe (3), the side towards the fire of described card section coil pipe (4) are also provided with flame retardant coating (8); With
Described mounting block (7) is fixed on the inside of described flame retardant coating (8).
8. spiral nozzle cover according to claim 7, is characterized in that:
Described flame retardant coating (8) is configured to the structure be made up of SiC.
9. spiral nozzle cover according to claim 1, is characterized in that:
The cross section of described straight-line segment coil pipe (31) is circular, oval or square.
10. spiral nozzle cover according to claim 1, is characterized in that:
Flame retardant coating is provided with between described card section coil pipe (4) and described hearth wall (5);
The annular disk surfaces that described card section coil pipe (4) is formed is contacted by the wall of described flame retardant coating with described hearth wall (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715988.5U CN204237757U (en) | 2014-11-25 | 2014-11-25 | A kind of spiral nozzle cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715988.5U CN204237757U (en) | 2014-11-25 | 2014-11-25 | A kind of spiral nozzle cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204237757U true CN204237757U (en) | 2015-04-01 |
Family
ID=52767274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420715988.5U Withdrawn - After Issue CN204237757U (en) | 2014-11-25 | 2014-11-25 | A kind of spiral nozzle cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204237757U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694983A (en) * | 2014-11-25 | 2016-06-22 | 航天长征化学工程股份有限公司 | Spiral burner cover |
| CN108138059A (en) * | 2015-10-12 | 2018-06-08 | 国际壳牌研究有限公司 | For the cooling device of the burner of gasification reactor |
-
2014
- 2014-11-25 CN CN201420715988.5U patent/CN204237757U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105694983A (en) * | 2014-11-25 | 2016-06-22 | 航天长征化学工程股份有限公司 | Spiral burner cover |
| CN105694983B (en) * | 2014-11-25 | 2018-08-17 | 航天长征化学工程股份有限公司 | Spiral burner cover |
| CN108138059A (en) * | 2015-10-12 | 2018-06-08 | 国际壳牌研究有限公司 | For the cooling device of the burner of gasification reactor |
| KR20180067555A (en) * | 2015-10-12 | 2018-06-20 | 쉘 인터내셔날 리써취 마트샤피지 비.브이. | Cooling devices for burners in gasification reactors |
| KR102476042B1 (en) | 2015-10-12 | 2022-12-08 | 에어 프로덕츠 앤드 케미칼스, 인코오포레이티드 | Cooling device for burner of gasification reactor |
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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 | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20180817 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20180817 |