CN103265977A - Novel gasified jet nozzle - Google Patents
Novel gasified jet nozzle Download PDFInfo
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- CN103265977A CN103265977A CN2013101856274A CN201310185627A CN103265977A CN 103265977 A CN103265977 A CN 103265977A CN 2013101856274 A CN2013101856274 A CN 2013101856274A CN 201310185627 A CN201310185627 A CN 201310185627A CN 103265977 A CN103265977 A CN 103265977A
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- circular channel
- rake angle
- ring body
- side rake
- sprays
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Abstract
The invention provides a novel gasified jet nozzle which comprises an outer circular ring body (1), a middle circular ring body (2), an inner circular ring body (3), cooling chambers (4) and a sprayer (5); the outer circular ring body (1), the middle circular ring body (2) and the inner circular ring body (3) form a ring-pipe-shaped structure the cross sections of which are concentric circles; the sprayer (5) is positioned at the lower end of the ring-pipe-shaped structure; an outer ring inward jet annular channel (6) is arranged between the outer circular ring body (1) and the middle circular ring body (2); an inner ring outward jet annular channel (7) is arranged between the middle circular ring body (2) and the inner circular ring body (3); and the cooling chambers (4) are annular, and are arranged at one end of the outer circular ring body (1), which is close to the sprayer (5). Gasified agents and fuel materials of the jet nozzle structure can be jetted to different directions and collided, which is more beneficial to the uniform distribution of the gasified agents and fuel materials in the whole gasified surface and reasonable utilization of the whole space of the gasified surface.
Description
Technical field
The present invention relates to a kind of gasification nozzle, relate in particular to a kind of for gasification various gaseous states, liquid or solid-state hydrocarbon polymer, as the gasification nozzle of the mixture of coal water slurry, fine coal, oil, residual oil, Sweet natural gas, coke(oven)gas etc. and they.
Background technology
Coal is that standing stock are the abundantest on the earth, and the fossil oil that the distribution region is the widest has been one of main energy sources that the human world uses since 18th century.Compare with oil, Sweet natural gas, coal is a kind of fossil feedstock that is difficult to clean utilization.Coal gasification processes can be converted into cleaning synthetic gas or fuel gas: CO and hydrogen with C, the H element that is difficult in the coal of processing treatment, is the important channel of coal high-efficiency clean utilization.
Coal gasification can be divided into fixed bed gasification technology, fluidized bed gasifying process, entrained flow gasification technology roughly.In fixed bed gasification technology, generally lump coal or the shaped coal with a certain size is raw material, vaporized chemical and coal charge counter current contact.The sensible heat of reaction lime-ash and generation gas is fresh vaporized chemical and the coal charge of preheating respectively.The general thermo-efficiency of fixed-bed gasification furnace is higher.Fluidized bed gasifying process refers to that the coal grain reacts with vaporized chemical under the fluidization situation.Heat transfer and mass transfer between gas-solid under the fluidized situation are all more abundant, and the mixing of gas-solid two-phase is close to the ideal mixing reactor in the bed, and the coal grain distributes and temperature distribution all compares homogeneous.In entrained flow gasification technology, coal slurry or pulverized coal particle and gasifying medium spray at a high speed in the vapourizing furnace by nozzle, cause to entrainment and high turbulence, and the abundant mixing in the vapourizing furnace is conducive to carrying out fully of gasification reaction.Entrained flow bed gasification technology is to react under High Temperature High Pressure, mixes better in the vapourizing furnace, and these characteristics make it that very high throughput be arranged in unit time and unit volume.The entrained flow gasification technology of comparative maturity has Shell, GSP, Texaco and the opposed vapourizing furnace of multi-nozzle etc. at present.
2004, the patent CN2756637Y of East China University of Science disclosed a kind of fine coal partial oxidation and has prepared synthesis gas burner.This burner comprises outer shroud shower nozzle, interior ring spray head, burner centre pipe and burner outer catheter.Interior ring spray head and outer shroud shower nozzle are respectively the Taper Pipe of a butt.In the process of coal dust gasification, coal dust and vaporized chemical spray to the burner center line together.2006, patent CN100441945C disclosed a kind of beaming type gasification or burner noz(zle) and industrial application thereof.This beaming type gasification structure comprises housing and a plurality of nozzles that are arranged in the housing.Nozzle arrangements includes outer tube again and is arranged on outer tube interior inner sleeve, lower tubesheet, upper tubesheet and cooling room.In the gasification of fuel, fuel and vaporized chemical all spray downwards perpendicular to nozzle.It is shorter relatively that this beaming type nozzle has flame, is tending towards the characteristics of rectangle, is conducive to protect vapourizing furnace middle and lower part refractory brick, prolongs the work-ing life of refractory brick.Nineteen ninety-five, patent CN1054080C discloses a kind of three-way channel combined water coal slurry gasification nozzle that has swirler.This nozzle is mainly formed by core jet pipe, interior ring spray pipe, outer shroud jet pipe, swirler and all component aggregate erections of cooling system.In gasification, fuel and vaporized chemical spray to nozzle axis direction together by the circular channel.Under the effect of swirler, the atomizing angle of vaporized chemical is enhanced, and has promoted the short mix between vaporized chemical and the fuel, is conducive to improve the content of active principle in the transformation efficiency of fuel and the gas phase.Flame burning length also is shortened in addition, can prolong the work-ing life of vapourizing furnace on the whole.In above patent, fuel and vaporized chemical by nozzle passage or spray to the conehead of nozzle, or spray downwards perpendicular to shower nozzle together together.
Summary of the invention
The problem to be solved in the present invention provides a kind of novel gasification nozzle, the vaporized chemical of this nozzle arrangements and fuel can spray and clash into to different directions, more be conducive to the even distribution in whole vapourizing furnace of vaporized chemical and fuel, the whole space of reasonable use vapourizing furnace.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of novel gasification nozzle, it is characterized in that: comprise cylindrical ring body 1, middle torus 2, interior torus 3, cooling room 4 and shower nozzle 5, it is concentrically ringed endless tube shape structure that described cylindrical ring body 1, middle torus 2 and interior torus 3 are formed the cross section, and described shower nozzle 5 is positioned at the lower end of described endless tube shape structure; Be provided with outer shroud between described cylindrical ring body 1 and the middle torus 2 and inwardly spray circular channel 6, hoop sprays circular channel 7 outward in being provided with between described middle torus 2 and the interior torus 3; Described cooling room 4 circularizes, and is arranged on cylindrical ring body 1 near an end of shower nozzle 5.
The internal diameter of described cylindrical ring body 1 is tapering type structure in the position near described shower nozzle 5.
The internal diameter of torus 2 is the gradual-enlargement type structure in the position near described shower nozzle 5 in described, and external diameter is tapering type structure in the position near described shower nozzle 5.
Torus 3 is the round platform that a diameter enlarges gradually in the position near described shower nozzle 5 in described.
Described outer shroud inwardly sprays circular channel 6 to be narrowed gradually near described shower nozzle 5 places, thereby strengthens the jet velocity of material.
Described interior hoop sprays circular channel 7 outward to be narrowed gradually near described shower nozzle 5 places, thereby strengthens the jet velocity of material.
Described cooling room 4 has the interface of two symmetries, and an end is water-in, and an end is water outlet.
The outside inclination alpha that described outer shroud inwardly sprays circular channel 6 is between 90 °-180 °, and described outer shroud inwardly sprays the inboard angle of inclination beta of circular channel 6 and outside inclination alpha and less than 180 °; The inboard tilt angle gamma that hoop sprays circular channel 7 outward in described is between 90 °-180 °, described in hoop spray the outside inclination angle theta of circular channel 7 and inboard tilt angle gamma outward and less than 180 °.
Preferably, inwardly to spray the outside inclination alpha of circular channel 6 be that 115 °-165 °, inboard angle of inclination beta are 20 °-70 ° to described outer shroud; The inboard tilt angle gamma that hoop sprays circular channel 7 outward in described is that 115 °-165 °, outside inclination angle theta are 20 °-70 °.
Preferably, described outer shroud inwardly sprays the outer side rake angle (α) of circular channel (6), interior side rake angle (β) is level and smooth circular arc inclination angle.Hoop sprays the interior side rake angle (γ) of circular channel (7) outward in described, outer side rake angle (θ) is level and smooth circular arc inclination angle.
Advantage and positively effect that the present invention has are:
(1) simple in structure, be suitable for being installed in the central top of vapourizing furnace.Various hydrocarbon polymers can be used for gasifying.Hydrocarbon polymer can be gaseous state, liquid state or solid-state, as coal water slurry, fine coal, oil, residual oil, Sweet natural gas, coke(oven)gas etc. and mixture.Vaporized chemical can be oxygen, air, water vapour and mixture.Especially be suitable for the high-temperature gasification of coal water slurry and fine coal, produce and be rich in CO and H
2Synthetic gas.The synthetic gas that generates can be used as material gas, fuel gas, hydrogen manufacturing, synthetic liquid fuel, generating etc., and purposes is very extensive.
(2) in this nozzle arrangements, vaporized chemical and fuel can spray and clash into to different directions.Outer shroud inwardly sprays circular channel and interior hoop and sprays the circular channel outward and narrow gradually at the shower nozzle place, can strengthen the jet velocity of material.Between vaporized chemical and the vaporized chemical, between fuel and the fuel, between vaporized chemical and the fuel collision mutually can take place like this.The raising that this collision is strong fuel and the dispersion of vaporized chemical in whole vapourizing furnace, make fuel easier of becoming tiny microbody, increased the contact area of itself and vaporized chemical, be conducive to the abundant reactive combustion of fuel, can effectively improve efficiency of carbon conversion and reach 97%～99%.
(3) because vaporized chemical sprays to different directions with fuel requirement, impel the outer ring channel of nozzle more away from the axis of nozzle, so just can more fully effectively utilize the whole space of vapourizing furnace.
Description of drawings
Fig. 1 is the structure sectional view of one embodiment of the present of invention
Fig. 2 is that the A-A of Fig. 1 is to synoptic diagram
Embodiment
As shown in Figure 1, 2, a kind of novel gasification nozzle, comprise cylindrical ring body 1, middle torus 2, interior torus 3, cooling room 4 and shower nozzle 5, it is concentrically ringed endless tube shape structure that cylindrical ring body 1, middle torus 2 and interior torus 3 are formed the cross section, and shower nozzle 5 is positioned at the lower end of endless tube shape structure; Be provided with outer shroud between cylindrical ring body 1 and the middle torus 2 and inwardly spray circular channel 6, hoop sprays circular channel 7 outward in being provided with between middle torus 2 and the interior torus 3; Cooling room 4 circularizes, and is arranged on outer toroid 1 body near an end of shower nozzle 5.
The internal diameter of cylindrical ring body 1 is tapering type structure in the position near shower nozzle 5.
The internal diameter of middle torus 2 is the gradual-enlargement type structure in the position near shower nozzle 5, and external diameter is tapering type structure in the position near shower nozzle 5.
Outer shroud inwardly sprays circular channel 6 to be narrowed gradually near shower nozzle 5 places, thereby strengthens the jet velocity of material.This passage not only can lead to vaporized chemical but also can lead to fuel, preferably logical fuel.
Interior hoop sprays circular channel 7 outward to be narrowed gradually near shower nozzle 5 places, thereby strengthens the jet velocity of material.This passage not only can lead to vaporized chemical but also can lead to fuel, the optimizing breathing agent.
The outside inclination alpha that outer shroud inwardly sprays circular channel 6 is between 90 °-180 °, and outer shroud inwardly sprays the inboard angle of inclination beta of circular channel 6 and outside inclination alpha and less than 180 °; The inboard tilt angle gamma that interior hoop sprays circular channel 7 outward is between 90 °-180 °, and interior hoop sprays the outside inclination angle theta of circular channel 7 and inboard tilt angle gamma outward and less than 180 °.
Preferably, inwardly to spray the outside inclination alpha of circular channel 6 be that 115 °-165 °, inboard angle of inclination beta are 20 °-70 ° to outer shroud; The inboard tilt angle gamma that interior hoop sprays circular channel 7 outward is that 115 °-165 °, outside inclination angle theta are 20 °-70 °.
Further, outer shroud inwardly spray the outside inclination alpha of circular channel 6, inboard angle of inclination beta, described in hoop inboard tilt angle gamma, the outside inclination angle theta of spraying circular channel 7 outward be level and smooth circular arc inclination angle.
This gasification nozzle is suitable to be installed in top of gasification furnace central authorities, so more is conducive to effectively utilize the whole space of vapourizing furnace.This gasification nozzle various hydrocarbon polymers that can be used for gasifying.Hydrocarbon polymer can be gaseous state, liquid state or solid-state, as coal water slurry, fine coal, oil, residual oil, Sweet natural gas, coke(oven)gas etc. and mixture.Vaporized chemical can be oxygen, air, water vapour and mixture.Be preferred for the high-temperature gasification of coal water slurry and fine coal.
Application examples 1
Transportation concentration is the coal dust of 400Kg/m3, and the circular channel 6 of inwardly being sprayed by outer shroud feeds vapourizing furnace.99.8% oxygen is that vaporized chemical sprays circular channel 7 feeding vapourizing furnaces outward by interior hoop.400 ℃ overheated steam also sprays circular channel 7 outward by interior hoop and enters vapourizing furnace.The working pressure of vapourizing furnace is 4MPa, and service temperature is 1300 ℃.Coal dust is abundant combustion gasification in vapourizing furnace.Effective gas component CO+H
2Content be 85%.Efficiency of carbon conversion reaches 99%.This synthetic gas can be used for producing chemical fertilizer, methyl alcohol, hydrogen manufacturing, liquid fuel and fuel gas etc.
Application examples 2
Mass concentration is 60% coal water slurry, and the circular channel 6 of inwardly being sprayed by outer shroud feeds vapourizing furnace.99.8% oxygen is that vaporized chemical sprays circular channel 7 feeding vapourizing furnaces outward by interior hoop.The working pressure of vapourizing furnace is 5MPa, and service temperature is 1350 ℃.Fuel is abundant combustion gasification in vapourizing furnace.Effective gas component CO+H
2Content be 83%.Efficiency of carbon conversion reaches 99%.This synthetic gas can be used for producing chemical fertilizer, methyl alcohol, hydrogen manufacturing, liquid fuel and fuel gas etc.
Below only embodiments of the invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (10)
1. novel gasification nozzle, it is characterized in that: comprise cylindrical ring body (1), middle torus (2), interior torus (3), cooling room (4) and shower nozzle (5), it is concentrically ringed endless tube shape structure that described cylindrical ring body (1), middle torus (2) and interior torus (3) are formed the cross section, and described shower nozzle (5) is positioned at the lower end of described endless tube shape structure; Be provided with outer shroud between described cylindrical ring body (1) and the middle torus (2) and inwardly spray circular channel (6), hoop sprays circular channel (7) outward in being provided with between described middle torus (2) and the interior torus (3); Described cooling room (4) circularizes, and is arranged on cylindrical ring body (1) near an end of shower nozzle (5);
The internal diameter of described cylindrical ring body (1) is tapering type structure in the position near described shower nozzle (5);
The internal diameter of torus (2) is the gradual-enlargement type structure in the position near described shower nozzle (5) in described, and external diameter is tapering type structure in the position near described shower nozzle (5);
Torus (3) is the round platform that a diameter enlarges gradually in the position near described shower nozzle (5) in described.
2. gasification nozzle according to claim 1, it is characterized in that: described outer shroud inwardly sprays circular channel (6) to be located to narrow gradually near described shower nozzle (5), thereby strengthens the jet velocity of material.
3. gasification nozzle according to claim 1 is characterized in that: hoop sprays circular channel (7) outward and is locating to narrow gradually near described shower nozzle (5) in described, thus the jet velocity of increasing material.
4. gasification nozzle according to claim 1, it is characterized in that: described cooling room (4) has the interface of two symmetries, and an end is water-in, and an end is water outlet.
5. gasification nozzle according to claim 2, it is characterized in that: the outer side rake angle (α) that described outer shroud inwardly sprays circular channel (6) is between 90 °-180 °, and described outer shroud inwardly sprays the interior side rake angle (β) of circular channel (6) with outer side rake angle (α) with less than 180 °.
6. gasification nozzle according to claim 3, it is characterized in that: the interior side rake angle (γ) that described interior hoop sprays circular channel (7) outward is between 90 °-180 °, and described interior hoop sprays the outer side rake angle (θ) of circular channel (7) outward with interior side rake angle (γ) with less than 180 °.
7. gasification nozzle according to claim 5 is characterized in that: the outer side rake angle (α) that described outer shroud inwardly sprays circular channel (6) is that 115 °-165 °, interior side rake angle (β) are 20 °-70 °.
8. gasification nozzle according to claim 6 is characterized in that: to spray the interior side rake angle (γ) of circular channel (7) outward be that 115 °-165 °, outer side rake angle (θ) are 20 °-70 ° to hoop in described.
9. gasification nozzle according to claim 7, it is characterized in that: described outer shroud inwardly sprays the outer side rake angle (α) of circular channel (6), interior side rake angle (β) is level and smooth circular arc inclination angle.
10. gasification nozzle according to claim 8 is characterized in that: hoop sprays the interior side rake angle (γ) of circular channel (7) outward in described, outer side rake angle (θ) is level and smooth circular arc inclination angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101856274A CN103265977A (en) | 2013-05-17 | 2013-05-17 | Novel gasified jet nozzle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101856274A CN103265977A (en) | 2013-05-17 | 2013-05-17 | Novel gasified jet nozzle |
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| CN103265977A true CN103265977A (en) | 2013-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101856274A Pending CN103265977A (en) | 2013-05-17 | 2013-05-17 | Novel gasified jet nozzle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194838A (en) * | 2014-08-22 | 2014-12-10 | 中国天辰工程有限公司 | Gasification furnace |
| CN105733686A (en) * | 2016-05-05 | 2016-07-06 | 神华集团有限责任公司 | Ring-type impact gasifier |
| CN111349472A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner and gasification furnace with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125163A (en) * | 1995-09-07 | 1996-06-26 | 华东理工大学 | Three-way channel combined water coal slurry gasification nozzle with cyclone |
| JP2002249786A (en) * | 2001-02-27 | 2002-09-06 | Babcock Hitachi Kk | Feedstock-jetting burner |
| CN2756637Y (en) * | 2004-12-10 | 2006-02-08 | 华东理工大学 | Preparing synthetic gas burning nozzle by coal powder partial oxidation |
| CN102260533A (en) * | 2011-06-30 | 2011-11-30 | 神华集团有限责任公司 | Gasifying nozzle |
| CN103028349A (en) * | 2011-09-29 | 2013-04-10 | 通用电气公司 | Multi-stream feed injector |
| CN203269880U (en) * | 2013-05-17 | 2013-11-06 | 中国天辰工程有限公司 | Novel gasification nozzle |
-
2013
- 2013-05-17 CN CN2013101856274A patent/CN103265977A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125163A (en) * | 1995-09-07 | 1996-06-26 | 华东理工大学 | Three-way channel combined water coal slurry gasification nozzle with cyclone |
| JP2002249786A (en) * | 2001-02-27 | 2002-09-06 | Babcock Hitachi Kk | Feedstock-jetting burner |
| CN2756637Y (en) * | 2004-12-10 | 2006-02-08 | 华东理工大学 | Preparing synthetic gas burning nozzle by coal powder partial oxidation |
| CN102260533A (en) * | 2011-06-30 | 2011-11-30 | 神华集团有限责任公司 | Gasifying nozzle |
| CN103028349A (en) * | 2011-09-29 | 2013-04-10 | 通用电气公司 | Multi-stream feed injector |
| CN203269880U (en) * | 2013-05-17 | 2013-11-06 | 中国天辰工程有限公司 | Novel gasification nozzle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194838A (en) * | 2014-08-22 | 2014-12-10 | 中国天辰工程有限公司 | Gasification furnace |
| CN105733686A (en) * | 2016-05-05 | 2016-07-06 | 神华集团有限责任公司 | Ring-type impact gasifier |
| CN105733686B (en) * | 2016-05-05 | 2019-04-02 | 神华集团有限责任公司 | Ring type collision type gasification furnace |
| CN111349472A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner and gasification furnace with same |
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Application publication date: 20130828 |