CN204455025U - Built-up type fine coal burner - Google Patents
Built-up type fine coal burner Download PDFInfo
- Publication number
- CN204455025U CN204455025U CN201520027919.XU CN201520027919U CN204455025U CN 204455025 U CN204455025 U CN 204455025U CN 201520027919 U CN201520027919 U CN 201520027919U CN 204455025 U CN204455025 U CN 204455025U
- Authority
- CN
- China
- Prior art keywords
- fine coal
- cooling water
- vaporized chemical
- burner
- built
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of built-up type fine coal burner, comprise: igniter burner and coal dust burner, described coal dust burner comprises: many fine coal pipelines independent of each other, many vaporized chemical pipelines independent of each other and cooling water jecket, and described many fine coal pipelines, described many vaporized chemical pipelines and described cooling water jecket are alternately arranged.The built-up type fine coal burner that the utility model provides can realize independently mixing and controlling of each fine coal passage and each vaporized chemical passage, can obtain better gasification result; Do not need to quit work when wherein a fine coal pipeline or vaporized chemical pipeline break down, even can not affect the effect of burner gasification, strengthen the stability of work.
Description
Technical field
The utility model relates to a kind of built-up type fine coal burner.
Background technology
Gasification is the coal combustion technology of the cleaning of development in recent years, obtains and applies more and more widely, comprises water coal slurry pressurized gasification technology and powdered coal pressuring gasified technology.Vapourizing furnace is the key equipment in gasification, and burner is the important core parts of vapourizing furnace, and it has material impact to the processing property of vapourizing furnace.In coal gasification process, particle was realized by the turbulent dispersion of burner with mixing of vaporized chemical, and can the mixing of fine coal and disperse effect determine device and long period run with security and stability.
Mainly there is following shortcoming in current coal gasification burner:
1) no matter be the built-up type burner of GSP vapourizing furnace or two passage multi-nozzles of SHELL vapourizing furnace, its nozzle structure all only has a fine coal passage and vaporized chemical passage, when selecting large-scale vapourizing furnace (day output 2200t and more than), fine coal treatment capacity is larger, fine coal is by single passage and one-jet mixing and disperse poor effect, and single process burner often cannot meet the demands;
2) many fine coal pipelines mix in a fine coal passage, to the flow of three fine coal pipelines and concentration control overflow higher, when wherein a pipeline goes wrong, there will be mixing uneven, affect the disperse effect of fine coal, cause in-furnace temperature and concentration distribution uneven;
3) when single vaporized chemical pipeline breaks down, burner then cannot continue to run.
Utility model content
In view of this, the utility model proposes a kind of built-up type fine coal burner, strengthen the stability of work and obtain better gasification result.
The utility model provides a kind of built-up type fine coal burner, comprise: igniter burner and coal dust burner, described coal dust burner comprises: many fine coal pipelines independent of each other, many vaporized chemical pipelines independent of each other and cooling water jecket, and described many fine coal pipelines, described many vaporized chemical pipelines and described cooling water jecket are alternately arranged.
Further, described many articles of fine coal pipelines comprise the first fine coal pipeline, the second fine coal pipeline and the 3rd fine coal pipeline, described many vaporized chemical pipelines comprise the first vaporized chemical pipeline and the second vaporized chemical pipeline, and described first vaporized chemical pipeline and the second vaporized chemical install pipeline are between described first fine coal pipeline, the second fine coal pipeline and the 3rd fine coal pipeline.
Further, fine coal helical orbit is provided with in described fine coal pipeline.
Further, be provided with vaporized chemical swirler in described vaporized chemical pipeline, described vaporized chemical swirler is positioned at straight length or the nozzle leading portion contraction section of described vaporized chemical pipeline; Described vaporized chemical swirler has default eddy flow angle and default swirling number.
Further, the interface of described three fine coal pipelines is arranged along the tangential direction of corresponding fine coal pipeline, and and forms angle α between the central axis of described built-up type fine coal burner, wherein 0 °≤α≤90 °.
Further, described angle α meets: 30 °≤α≤60 °, and/or the interface of described three fine coal pipelines on the projection surface angle is between any two 120 °.
Further, described fine coal helical orbit is helical blade type or spiral pipe type; And/or the pitch of described fine coal helical orbit is between 100 ~ 1000mm, and the helix angle of described fine coal helical orbit is between 30 ° ~ 90 °.
Further, described cooling water jecket comprises the first cooling water jecket and the second cooling water jecket; Described first cooling water jecket is arranged on the outermost layer of described built-up type fine coal burner, and described first cooling water jecket comprises: the first cooling water inlet passage, the first cooling water outlet passage, the first cooling water inlet and the first cooling water outlet; Described second cooling water jecket is arranged between described coal dust burner and described igniter burner, and described second cooling water jecket comprises the second cooling water inlet passage, the second cooling water outlet passage, the second cooling water inlet and the second cooling water outlet; And/or described cooling water jecket arranges concave and convex stripe on fire end internal surface.
Further, described igniter burner comprises: portfire, fuel gas passageway, priming bar and igniting oxygen channel, described igniting oxygen channel is one nearest with described fuel gas passageway in described many vaporized chemical pipelines.
Further, described built-up type fine coal burner also comprises: integral flame Monitoring systems and center channel of nitrogen; Described priming bar is hollow structure, be sleeved on the firing end portion of described center channel of nitrogen, described first cooling water outlet passage, the first cooling water inlet passage, the first fine coal passage, the first vaporized chemical passage, the second fine coal passage, the second cooling water outlet passage, the second cooling water inlet passage, the second vaporized chemical passage, the 3rd fine coal passage, fuel gas passageway and center channel of nitrogen set gradually from outside to inside; And/or described built-up type fine coal burner also comprises: for being arranged on the mounting flange on gasifier nozzle flange seat; And/or the ignition energy of described portfire is greater than 30J.
The built-up type dry pulverized coal burner of many fine coal passage that the utility model provides and vaporized chemical passage: each fine coal passage and each vaporized chemical passage are autonomous channel, independently mixing and controlling of each fine coal passage and each vaporized chemical passage can be realized, can better gasification result be obtained; Do not need work when wherein a fine coal pipeline or vaporized chemical pipeline break down, even can not affect the effect of burner gasification, strengthen the stability of work.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The schematic diagram of the built-up type fine coal burner that Fig. 1 provides for the utility model embodiment;
The head that Fig. 2 is structure shown in Fig. 1 and access diagram;
The fine coal access arrangement schematic diagram that Fig. 3 is structure shown in Fig. 1.
Drawing reference numeral:
1 center channel of nitrogen
2 fuel gas passageway
3 the 3rd fine coal passages
4 second vaporized chemical passages
5 second cooling water inlet passages
6 second cooling water outlet passages
7 second fine coal passages
8 first vaporized chemical passages
9 first fine coal passages
10 first cooling water inlet passages
11 first cooling water outlet passages
21 integral flame Monitoring systemss
22 portfires
23 priming bares
24 vaporized chemical swirlers
25 fine coal helical orbits
P1 center nitrogen interface
P2 fuel gas interface
P3.1 first fine coal channel interface
P3.2 second fine coal channel interface
P3.3 the 3rd fine coal channel interface
P4 second vaporized chemical interface
P5.1 second cooling water inlet
P5.2 second cooling water outlet
P6 first vaporized chemical interface
P7.1 first cooling water inlet
P7.2 first cooling water outlet
26 mounting flanges;
27 concave and convex stripes
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The schematic diagram of the built-up type fine coal burner that Fig. 1 provides for the utility model embodiment; The head that Fig. 2 is structure shown in Fig. 1 and access diagram; The fine coal access arrangement schematic diagram that Fig. 3 is structure shown in Fig. 1; As shown in Figure 1-Figure 3, this built-up type fine coal burner can comprise: igniter burner and coal dust burner, described coal dust burner comprises: many fine coal pipelines, many vaporized chemical pipelines and cooling water jeckets, and described many fine coal pipelines, described many vaporized chemical pipelines and described cooling water jecket are alternately arranged.
Particularly, described many articles of fine coal pipelines comprise the first fine coal passage 9, second fine coal passage 7 independent of each other, the 3rd fine coal passage 3, described many vaporized chemical pipelines comprise the first vaporized chemical passage 8 independent of each other and the second vaporized chemical passage 4, first vaporized chemical passage 8 and the second vaporized chemical passage 4 and are arranged between the first fine coal passage 9, second fine coal passage 7 and the 3rd fine coal passage 3.Be understandable that, when running according to burner and the practical situation of vapourizing furnace flow field matching and dross etc., in three fine coal passages, the pressure of medium, flow velocity, interface size can be consistent, also can be inconsistent.
Preferably, this built-up type fine coal burner can also comprise the first cooling water jecket and the second cooling water jecket, wherein, first cooling water jecket is arranged on the outermost layer of assembled nozzle, comprise the first cooling water inlet path 10, the first cooling water outlet passage 11, first cooling water inlet p7.1, the first cooling water outlet p7.2, second cooling water jecket is arranged between fine coal burner and igniter burner, comprises the second cooling water inlet passage 5, second cooling water outlet passage 6, second cooling water inlet p5.1, the second cooling water outlet p5.2.Further preferably; first cooling water jecket and the second cooling water jecket to fire end internal surface, all there is the higher anyhow staggered concave and convex stripe 27 of roughness; the thinning side towards the fire laminar sub-layer even destroying turbulent flows when water coolant is flowed fast, improves heat transfer effect, available protecting burner.
Preferably, described built-up type fine coal burner also comprises: integral flame Monitoring systems 21 and center channel of nitrogen 1 integral flame Monitoring systems 21 are arranged on the top of the back of the body fire end of assembled nozzle, can comprise: for the flame detector system of flame detection, for providing imaging combustion and the temp measuring system of flame video and flame temperature.Center nitrogen continue to pass into the normal accurate work that can ensure integral flame Monitoring systems, can be kept apart by withstand voltage glass lens between integral flame Monitoring systems and center nitrogen simultaneously.Particularly, as shown in Figure 2, the first cooling water outlet passage 11, first cooling water inlet path 10, the first fine coal passage 9, first vaporized chemical passage 8, second fine coal passage 7, second cooling water outlet passage 6, second cooling water inlet passage 5, second vaporized chemical passage 4, the 3rd fine coal passage 3, fuel gas passageway 2, center channel of nitrogen 1 set gradually from outside to inside.
Preferably, fine coal helical orbit is provided with at least one fine coal pipeline.Described fine coal helical orbit is helical blade type or spiral pipe type; And/or the pitch of described fine coal helical orbit is between 100 ~ 1000mm, and the helix angle of described fine coal helical orbit is between 30 ° ~ 90 °.Be understandable that: according to flow field matching and the channel resistance damaed cordition of burner and vapourizing furnace, article three, in fine coal passage, can fine coal helical orbit be set respectively, one or two fine coal helical orbits also can be only set, its combination set-up mode is not fixed, the preferred hard, wear-resistant alloy of material of fine coal helical orbit; Article three, the pitch of fine coal helical orbit, helix angle, the hand of spiral can be consistent, also can be inconsistent, and combination set-up mode is not fixed.
Preferably, at least one vaporized chemical pipeline (as near to fire end place) be provided with vaporized chemical swirler 24, described vaporized chemical swirler 24 is positioned at straight length or the nozzle leading portion contraction section of described vaporized chemical pipeline; Described vaporized chemical swirler has default eddy flow angle and default swirling number.Arranging of this vaporized chemical swirler to possess when vaporized chemical can be made to flow out at a high speed, the air-flow condition of high eddy flow, thus drags it when can mix with fine coal and draw, shear and disperse.Be understandable that, for ensureing fine coal disperse effect and flow field matching, the first vaporized chemical swirler and the second vaporized chemical swirler have certain eddy flow angle, direction and swirling number.Helix angle, the direction of the eddy flow angle of vaporized chemical swirler, direction and fine coal helical orbit can be consistent, also can be inconsistent.
Preferably, the interface of described three fine coal pipelines is arranged along the tangential direction of corresponding fine coal pipeline, and and form angle α between the central axis of described built-up type fine coal burner, wherein 0 °≤α≤90 °, further preferably, angle α meets: 30 °≤α≤60 °.Article three, the relative position of fine coal channel interface is not fixed, and the piping arrangement situation according to scene decides, preferably the interface of three fine coal pipelines on the projection surface angle be between any two 120 °.
Preferably, described igniter burner comprises: portfire 22, fuel gas passageway 2, priming bar 23 and igniting oxygen channel, described igniting oxygen channel is one nearest with described fuel gas passageway in described many vaporized chemical pipelines, as the second vaporized chemical passage 4 in the present embodiment.Like this, second vaporized chemical passage 4 is filled with pure oxygen when igniting goes into operation, jointly realize going into operation with fuel gas passageway 2 and light a fire, after the igniting that goes into operation completes, fine coal burner starts, now fuel gas interface p2 is filled with crude synthesis gas and burns as pilot burner always, is filled with and steams oxygen and oxygen mixture in the second vaporized chemical passage 4.By fine coal burner and igniter burner being united two into one, igniting oxygen channel and the second vaporized chemical passage 4 unite two into one simultaneously, and igniter fuel gas passage and synthetic gas pilot burner passage unite two into one, and avoid structure too complicated, and convenient operation regulates.Particularly, portfire can adopt high energy ignition unit, and compared with isolating high-pressure ignitor conventional at present, its ignition energy higher (more than 30J), Ignition Stability, repeatability are better.Further preferably, priming bar 23 is hollow structure, is sleeved on the firing end portion of center channel of nitrogen 1, and close to burner end, center nitrogen can pass from high-energy ignition rod 23 centers simultaneously.
Preferably, described built-up type fine coal burner also bag mounting flange 26.Whole dry pulverized coal burner is arranged on gasifier nozzle flange seat by mounting flange 26.
The built-up type fine coal burner tool of the present embodiment has the following advantages:
1) three fine coal pipelines connect three fine coal passages respectively, spray into from three nozzle heads again, article three, be provided with two vaporized chemical passages between fine coal passage, fine coal helical orbit is set in fine coal passage, in vaporized chemical passage, swirler is set, pulverized coal particle mixing disperse is effective, and efficiency of carbon conversion is higher;
2) three fine coal autonomous channels and two vaporized chemical autonomous channels more effectively can control, regulate flame and load, such as can be ensured the oepration at full load of vapourizing furnace by the load strengthening two other fine coal pipeline when a fine coal pipeline breaks down, without the need to shutdown maintenance;
3) cooling water jecket has the higher anyhow staggered concave and convex stripe 27 of roughness to fire end internal surface, the thinning side towards the fire laminar sub-layer even destroying turbulent flows when water coolant is flowed fast, ensure heat transfer effect, thus two-layer cooling water jecket is set just can ensures enough cooling performances, avoid the volume weight of burner excessive;
4) high energy ignition unit and integral flame Monitoring systems can ensure success ratio and the stability of igniting, for running at normal table of vapourizing furnace provides real-time monitoring;
5) fine coal burner and igniter burner unite two into one, and igniting oxygen channel and the second vaporized chemical passage unite two into one simultaneously, and igniter fuel gas passage and synthetic gas pilot burner passage unite two into one, and avoid structure too complicated, and convenient operation regulates;
6) this novel more conventional single assembled nozzle of built-up type burner substantially increases the processing power of burner, realizes the possibility that large-scale vapourizing furnace (more than day output 2200t level) uses single assembled nozzle;
7) dry pulverized coal burner is assemblied by some parts, can dismantle, keeps in repair and install a certain parts easily.
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 built-up type fine coal burner, it is characterized in that, comprise: igniter burner and coal dust burner, described coal dust burner comprises: many fine coal pipelines independent of each other, many vaporized chemical pipelines independent of each other and cooling water jecket, and described many fine coal pipelines, described many vaporized chemical pipelines and described cooling water jecket are alternately arranged.
2. built-up type fine coal burner according to claim 1, it is characterized in that, described many articles of fine coal pipelines comprise the first fine coal pipeline, the second fine coal pipeline and the 3rd fine coal pipeline, described many vaporized chemical pipelines comprise the first vaporized chemical pipeline and the second vaporized chemical pipeline, and described first vaporized chemical pipeline and the second vaporized chemical install pipeline are between described first fine coal pipeline, the second fine coal pipeline and the 3rd fine coal pipeline.
3. built-up type fine coal burner according to claim 2, is characterized in that, is provided with fine coal helical orbit in described fine coal pipeline.
4. built-up type fine coal burner according to claim 3, is characterized in that, is provided with vaporized chemical swirler in described vaporized chemical pipeline, and described vaporized chemical swirler is positioned at straight length or the nozzle leading portion contraction section of described vaporized chemical pipeline; Described vaporized chemical swirler has default eddy flow angle and default swirling number.
5. built-up type fine coal burner according to claim 4, it is characterized in that, the interface of described three fine coal pipelines is arranged along the tangential direction of corresponding fine coal pipeline, and and forms angle α between the central axis of described built-up type fine coal burner, wherein 0 °≤α≤90 °.
6. built-up type fine coal burner according to claim 5, is characterized in that, described angle α meets: 30 °≤α≤60 °, and/or the interface of described three fine coal pipelines on the projection surface angle is between any two 120 °.
7. built-up type fine coal burner according to claim 3, is characterized in that, described fine coal helical orbit is helical blade type or spiral pipe type; And/or the pitch of described fine coal helical orbit is between 100 ~ 1000mm, and the helix angle of described fine coal helical orbit is between 30 ° ~ 90 °.
8. the built-up type fine coal burner according to any one of claim 2-7, is characterized in that, described cooling water jecket comprises the first cooling water jecket and the second cooling water jecket; Described first cooling water jecket is arranged on the outermost layer of described built-up type fine coal burner, and described first cooling water jecket comprises: the first cooling water inlet passage, the first cooling water outlet passage, the first cooling water inlet and the first cooling water outlet; Described second cooling water jecket is arranged between described coal dust burner and described igniter burner, and described second cooling water jecket comprises the second cooling water inlet passage, the second cooling water outlet passage, the second cooling water inlet and the second cooling water outlet; And/or described cooling water jecket is provided with concave and convex stripe on fire end internal surface.
9. built-up type fine coal burner according to claim 8, it is characterized in that, described igniter burner comprises: portfire, fuel gas passageway, priming bar and igniting oxygen channel, described igniting oxygen channel is one nearest with described fuel gas passageway in described many vaporized chemical pipelines.
10. built-up type fine coal burner according to claim 9, is characterized in that, described built-up type fine coal burner also comprises: integral flame Monitoring systems and center channel of nitrogen; Described priming bar is hollow structure, be sleeved on the firing end portion of described center channel of nitrogen, described first cooling water outlet passage, the first cooling water inlet passage, the first fine coal passage, the first vaporized chemical passage, the second fine coal passage, the second cooling water outlet passage, the second cooling water inlet passage, the second vaporized chemical passage, the 3rd fine coal passage, fuel gas passageway and center channel of nitrogen set gradually from outside to inside; And/or,
Described built-up type fine coal burner also comprises: for being arranged on the mounting flange on gasifier nozzle flange seat; And/or,
The ignition energy of described portfire is greater than 30J.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520027919.XU CN204455025U (en) | 2015-01-15 | 2015-01-15 | Built-up type fine coal burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520027919.XU CN204455025U (en) | 2015-01-15 | 2015-01-15 | Built-up type fine coal burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204455025U true CN204455025U (en) | 2015-07-08 |
Family
ID=53661938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520027919.XU Expired - Fee Related CN204455025U (en) | 2015-01-15 | 2015-01-15 | Built-up type fine coal burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204455025U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047420A (en) * | 2016-07-08 | 2016-10-26 | 上海齐耀热能工程有限公司 | Uniform pulverized-coal distribution device |
| CN106118751A (en) * | 2016-08-22 | 2016-11-16 | 安徽科达洁能股份有限公司 | Coal gasification assembled nozzle |
-
2015
- 2015-01-15 CN CN201520027919.XU patent/CN204455025U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047420A (en) * | 2016-07-08 | 2016-10-26 | 上海齐耀热能工程有限公司 | Uniform pulverized-coal distribution device |
| CN106118751A (en) * | 2016-08-22 | 2016-11-16 | 安徽科达洁能股份有限公司 | Coal gasification assembled nozzle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201706487U (en) | Anthracite powdered coal burner for a rotary kiln | |
| CN102031152B (en) | Process nozzle and system for gasifying water coal slurry and application thereof | |
| CN101446413B (en) | Combined type multi-injector burner | |
| CN201575462U (en) | Mixed pulverized coal and gas fuel burner for rotary kiln | |
| CN106524152A (en) | Graded gas low-nitrogen burner | |
| CN204534569U (en) | A kind of take ethanol as can burner's gas generator of fuel | |
| CN201327020Y (en) | Combined multi-nozzle burner | |
| CN104312634B (en) | A kind of combined type Hot oxygen nozzle and its application | |
| CN202392795U (en) | Gasification furnace burner used for asphalt gasification | |
| CN204455025U (en) | Built-up type fine coal burner | |
| JP2011112286A (en) | Gas turbine combustor | |
| CN103453525B (en) | The using method of oxygen-enriched burner | |
| CN110319437A (en) | A kind of oxygen-enriched multiple flame vortex coal burner | |
| CN103452537A (en) | High-temperature high-pressure combustion structure of pure oxygen combined heat carrier generator | |
| CN109595548A (en) | Deep or light back-mixing formula vortex burner | |
| CN103527162B (en) | Steam generator for heavy crude petroleum exploitation | |
| CN101963352B (en) | Double rotational flow powdered coal burner | |
| CN104745234B (en) | A kind of new igniting startup burner | |
| CN208535970U (en) | A kind of double vortex coal burners of multichannel | |
| CN201272783Y (en) | Combined startup burner for powder coal gasification furnace | |
| CN203547694U (en) | Steam generator for thickened oil recovery of petroleum | |
| CN100356104C (en) | Fuel staging process for low NOx operations | |
| CN201043190Y (en) | Mixed combustion-supporting superspeed flame spraying gun in liquid fuel-oxygen-air gun | |
| CN203464270U (en) | Novel two-cyclone oxygen-rich micro-oil ignition stable combustion coal powder combustor | |
| CN102226520B (en) | Combustion device and method for directly igniting vertical shade pulverized coal airflow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20160115 |
|
| EXPY | Termination of patent right or utility model |