CN203960150U - A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner - Google Patents
A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner Download PDFInfo
- Publication number
- CN203960150U CN203960150U CN201420326920.8U CN201420326920U CN203960150U CN 203960150 U CN203960150 U CN 203960150U CN 201420326920 U CN201420326920 U CN 201420326920U CN 203960150 U CN203960150 U CN 203960150U
- Authority
- CN
- China
- Prior art keywords
- burner
- sleeve
- wear
- resistant
- matric composite
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of Wear-resistant, high-temperature resistant ceramic matric composite burner, comprise: take over (201), burner (203) and burner sleeve (202), burner (203) is located at burner sleeve (202) inside, and burner (203) has a burner head and burner afterbody, the diameter of burner afterbody is less than the bottom diameter of burner head, and in the cover of burner sleeve (202), be provided with the corresponding groove of shape, both closely link together, and the burner linking together (203) and burner sleeve (202) again with take over (201) and weld together.After the utility model has been taked above scheme, it is simple in structure, and the antiwear property of nozzle cavity in increasing, and abrasion resistance is good, the antioxidant property of material is good.
Description
Technical field
The utility model relates to a kind of Wear-resistant, high-temperature resistant ceramic matric composite burner.
Background technology
Coal water slurry process burner is one of technology the most key in coal water slurry gasification technology, it has directly determined usefulness and the stability of technique, but process burner is shorter work-ing life, restrict the long-term operation of device, can say, be the key problem that the needs of current coal water slurry gasification technique solve the work-ing life of coal water slurry process burner, therefore improves the key that just becomes coal water slurry gasification technique work-ing life of coal water slurry process burner, brings huge economic benefit to enterprise.
At present, the structure of the process burner of typical coal water slurry entrained flow bed pressurized gasification technology is concentric three sleeve pipes both at home and abroad, as shown in Figure 1, as shown in Figure 2, it has its burner head construction: pre-mixing chamber 101, outer shower nozzle end face 102, cooling water nozzle 103, outer shower nozzle 104, middle shower nozzle 105, interior shower nozzle 106.
The outlet of central oxygen is designed to gradual change reducing form, object is that central oxygen is accelerated, its end face has certain retraction amount with respect to the end face of outer oxygen head simultaneously, form like this pre-mixing chamber of a coal water slurry and central oxygen, the export pipeline of coal water slurry is also designed to gradual change reducing form, makes the coal water slurry that enters pre-mixing chamber possess certain speed.In pre-mixing chamber, utilize central oxygen coal water slurry is diluted and just accelerate, improve the flowing property of coal water slurry, its objective is in order to ensure that coal water slurry is at the atomizing effect leaving after burner.The retraction amount of outer oxygen head is larger, and object is to provide more high oxygen flow velocity, makes to carry out good atomization by the coal water slurry mixture in pre-mixing chamber, to reach good gasification result in vapourizing furnace.
No matter be the circulation area of central oxygen, coal water slurry or outer oxygen, all need to meet the traffic requirement of medium separately.In the situation that supply pressure allows, strive reaching good mixing and atomizing effect.But the ratio of central oxygen has certain restriction, be generally 5%～25% of total oxygen demand, all the other are all as outer oxygen.Central oxygen amount can not be too little, not so do not reach dilution and booster action to coal slurry.Central oxygen amount can not be too large, and on the one hand, oxygen amount is crossed mixture velocity that conference makes pre-mixing chamber to be increased too much, causes the wearing and tearing in pipe core exit to increase the weight of, and reduces the continuous work-ing life of burner; On the other hand, when central oxygen amount increases, must make the axial velocity component of burner outlet material increase, radial velocity component reduces, consequently make the flame of whole burner outlet become elongated, cannot mate with the inner profile of vapourizing furnace, cause larger-diameter pulverized coal particle to shorten at gasification residing time in furnace, the carbon content in slag increases, cause that gasification efficiency reduces, and, can make flame fling furnace bottom, affect the normal operation of furnace bottom chilling ring.
The use properties of coal water slurry burner has directly affected the economic benefit of coal chemical industry enterprises, and slurry spray head is the direct factor that directly affects the coal water slurry process burner life-span, therefore we have carried out a large amount of research and exploration targetedly in selection to the slurry spray head of coal water slurry process burner.
Utility model content
Goal of the invention of the present utility model is to provide a kind of Wear-resistant, high-temperature resistant ceramic matric composite burner.
It is as follows that the utility model solves the problems of the technologies described above taked technical scheme:
A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner, comprise: take over (201), burner (203) and burner sleeve (202), burner (203) is located at burner sleeve (202) inside, and burner (203) has a burner head and burner afterbody, the diameter of burner afterbody is less than the bottom diameter of burner head, and in the cover of burner sleeve (202), be provided with the corresponding groove of shape, both closely link together, and the burner linking together (203) and burner sleeve (202) again with take over (201) and weld together.
Further, preferably, described burner sleeve (202) has one and most advanced and sophisticated extends mouth, and together with this extension mouth fits with the outer wall of burner (203).
Further, preferably, the outer wall place of fitting of extending mouth and burner (203) is even surface.
Further, preferably, described burner (203) is stupalith.
After the utility model has been taked above scheme, it is simple in structure, and the antiwear property of nozzle cavity in increasing, and abrasion resistance is good, the antioxidant property of material is good.
Other features and advantages of the utility model will be set forth in the following description, and, partly from specification sheets, become apparent, or understand by implementing the utility model.The purpose of this utility model and other advantages can be realized and be obtained by specifically noted structure in write specification sheets, claims and accompanying drawing.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in detail, to make above-mentioned advantage of the present utility model clearer and more definite.
Fig. 1: coal water slurry process burner structure iron;
Fig. 2: coal water slurry process burner head construction sketch;
Fig. 3 is the structural representation of the utility model Wear-resistant, high-temperature resistant ceramic matric composite burner;
Fig. 4 is the structural representation of the burner of the utility model Wear-resistant, high-temperature resistant ceramic matric composite burner;
Fig. 5 is the structural representation of the burner sleeve of the utility model Wear-resistant, high-temperature resistant ceramic matric composite burner;
Fig. 6 is the burner of the utility model Wear-resistant, high-temperature resistant ceramic matric composite burner and the later structural representation of combination of burner sleeve.
Embodiment
Below in conjunction with specific embodiment, the utility model is described in detail.
Specifically, this patent relates to coal water slurry gasification process burner structure in a kind of Coal Gasification Technology, specifically the slurry spray head of former traditional Texaco's coal water slurry process burner is replaced by a kind of type material, object is to lengthen the life for coal water slurry process burner, and this type of material type is the matrix material that ceramic base Wear-resistant, high-temperature resistant has certain wilfulness and machining ability.
That is to say, physical abrasion is the deadly defect of coal water slurry process burner, be also affect vapourizing furnace continuously, one of the central factor of steady running.In order to make the coal dust fully gasification in vapourizing furnace in coal water slurry, must carry out atomization to coal water slurry with a certain amount of oxygen, in order to reach good atomizing effect, gas flow rate must reach certain value.That is to say, mixture (coal water slurry, the oxygen) flow velocity in pre-mixing chamber must reach certain value.Owing to containing a large amount of coal dust solid particulates in mixture, cause middle nozzle cavity wearing and tearing.Mixture velocity in pre-mixing chamber can not be too little, and too little meeting causes atomization not good, affects overall efficiency of carbon conversion.Flow velocity can not be too large, and the axial velocity component of too large mixture is large, and flame will be elongated, even fling furnace bottom, affect the residence time of partial material, and efficiency of carbon conversion, and also can become very little to the impact of atomizing droplet size after mixture velocity arrival certain value.
For the antiwear property of nozzle cavity in increasing, selecting the material that abrasion resistance is good is current unique feasible method, also will consider the antioxidant property of material simultaneously.
As shown in Fig. 3,4,5,6, a kind of Wear-resistant, high-temperature resistant ceramic matric composite burner, comprise: adapter 201, burner 203 and burner sleeve 202, burner 203 is located at burner sleeve 202 inside, and burner 203 has a burner head and burner afterbody, the diameter of burner afterbody is less than the bottom diameter of burner head, and in the cover of burner sleeve 202, be provided with the corresponding groove of shape, both closely link together, and the burner 203 linking together and burner sleeve 202 weld together with adapter 201 again, and nozzle 203 has a cavity 204.
As we can see from the figure, described burner sleeve 202 has one and most advanced and sophisticated extends mouth, and together with this extension mouth fits with the outer wall of burner 203, and the outer wall place of fitting of extension mouth and burner 203 is even surface.
Wherein, described burner 203 is stupalith.
After the utility model has been taked above scheme, it is simple in structure, and the antiwear property of nozzle cavity in increasing, and abrasion resistance is good, the antioxidant property of material is good.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a Wear-resistant, high-temperature resistant ceramic matric composite burner, it is characterized in that, comprise: take over (201), burner (203) and burner sleeve (202), burner (203) is located at burner sleeve (202) inside, and burner (203) has a burner head and burner afterbody, the diameter of burner afterbody is less than the bottom diameter of burner head, and in the cover of burner sleeve (202), be provided with the corresponding groove of shape, both closely link together, and the burner linking together (203) and burner sleeve (202) again with take over (201) and weld together.
2. Wear-resistant, high-temperature resistant ceramic matric composite burner according to claim 1, is characterized in that, described burner sleeve (202) has one and most advanced and sophisticated extends mouth, and together with this extension mouth fits with the outer wall of burner (203).
3. Wear-resistant, high-temperature resistant ceramic matric composite burner according to claim 2, is characterized in that, the outer wall place of fitting of extending mouth and burner (203) is even surface.
4. according to the arbitrary described Wear-resistant, high-temperature resistant ceramic matric composite burner of claim 1 ~ 3, it is characterized in that, described burner (203) is stupalith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326920.8U CN203960150U (en) | 2014-06-19 | 2014-06-19 | A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420326920.8U CN203960150U (en) | 2014-06-19 | 2014-06-19 | A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203960150U true CN203960150U (en) | 2014-11-26 |
Family
ID=51920759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420326920.8U Active CN203960150U (en) | 2014-06-19 | 2014-06-19 | A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203960150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019724A (en) * | 2021-02-18 | 2021-06-25 | 北京航化节能环保技术有限公司 | Nozzle device and control method of nozzle head assembly size |
-
2014
- 2014-06-19 CN CN201420326920.8U patent/CN203960150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113019724A (en) * | 2021-02-18 | 2021-06-25 | 北京航化节能环保技术有限公司 | Nozzle device and control method of nozzle head assembly size |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105626004B (en) | A kind of Oil/gas Well open flow erosion resistance choke manifold | |
| CN101949538A (en) | Combustion nozzle with internal cooling channel and external cooling channel for gasifying powdery carbon fuel | |
| CN203960150U (en) | A kind of Wear-resistant, high-temperature resistant ceramic matric composite burner | |
| CN104449868A (en) | Entrained flow gasifier for swirling melt cinder solidification | |
| CN104498099B (en) | A kind of gasifier nozzle and its application method, the gasification furnace containing it | |
| CN201787568U (en) | Burner provided with inner and outer cooling channels and used for gasification of powdery carbon fuel | |
| CN204455022U (en) | Slag circulation of vital energy in the wrong direction flowing water Quench vapourizing furnace | |
| CN206173276U (en) | Coal slurry pressure gasification is jacket cooling formula process burner for stove | |
| CN201850256U (en) | Process burner and system for gasifying water coal slurry | |
| CN102250644A (en) | Process burner of water-coal slurry gasification furnace | |
| CN102952588B (en) | High-temperature synthetic gas chilling method for gasification furnace | |
| CN208776673U (en) | A kind of high-temperature burner | |
| CN202208707U (en) | Process burner of water-coal-slurry gasification furnace | |
| CN205035330U (en) | Take inside and outside multistage gasification nozzle of coal slurry that mixes of three channels of swirler | |
| CN202440478U (en) | Wear-resistant nozzle of coal water slurry pressurization gasifier | |
| CN106147875A (en) | A kind of coal water slurry pressurized gasifier jacket cooling type process burner | |
| CN206970542U (en) | A kind of fine coal shower nozzle and the gasification burner tip device containing it | |
| CN204455025U (en) | Built-up type fine coal burner | |
| CN103305284B (en) | High-strength gasifier process burner | |
| CN203346349U (en) | Process burning nozzle of high-strength gasification furnace | |
| CN202766489U (en) | Wear-resistant nozzle for high-pressure gasification process of coal water slurry | |
| CN206309969U (en) | A kind of ceramic double plunger angle valve | |
| CN204746863U (en) | Deep or light separator of high abrasion formula | |
| CN202864948U (en) | Gasified chilling lye high-pressure flash evaporation relief buffering device | |
| CN203582819U (en) | Entrained-flow bed gasifier for cyclone melt-cinder solidification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |