CN202610199U - Burner of carbonic fuel partial oxidation preparation synthesis gas - Google Patents
Burner of carbonic fuel partial oxidation preparation synthesis gas Download PDFInfo
- Publication number
- CN202610199U CN202610199U CN 201220258152 CN201220258152U CN202610199U CN 202610199 U CN202610199 U CN 202610199U CN 201220258152 CN201220258152 CN 201220258152 CN 201220258152 U CN201220258152 U CN 201220258152U CN 202610199 U CN202610199 U CN 202610199U
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- China
- Prior art keywords
- fuel
- burner
- carbonaceousfuel
- conservancy diversion
- water conservancy
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- 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
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- 239000000446 fuel Substances 0.000 title claims abstract description 45
- 230000003647 oxidation Effects 0.000 title claims abstract description 22
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 22
- 230000015572 biosynthetic process Effects 0.000 title abstract 4
- 238000002360 preparation method Methods 0.000 title abstract 4
- 238000003786 synthesis reaction Methods 0.000 title abstract 4
- 239000007800 oxidant agent Substances 0.000 claims abstract description 25
- 230000001590 oxidative effect Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 238000006243 chemical reaction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 11
- 239000003245 coal Substances 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000002817 coal dust Substances 0.000 description 3
- 238000009527 percussion Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000008642 heat stress Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004449 solid propellant Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000004571 lime Substances 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Abstract
The utility model relates a burner of carbonic fuel partial oxidation preparation synthesis gas. The burner of the carbonic fuel partial oxidation preparation synthesis gas comprises a fuel channel, an ignition device is arranged at a gas outlet end of the fuel channel, an oxidant channel is arranged outside the fuel channel, a cooling jacket is arranged outside the oxidant channel, the end portions of the fuel channel and the oxidant channel are separated through a fuel delivering pipe, and flow guiding lines are arranged on the end portion of the fuel delivering pipe. According to the burner of the carbonic fuel partial oxidation preparation synthesis gas, due to the fact that the end portions of the fuel channel and the oxidant channel are separated through the fuel delivering pipe, and the flow guiding lines are arranged on the end portion of the fuel delivering pipe, under the action of the flow guiding lines, oxidant forms rotational flow at the outlet position and forms impinging flow with the fuel; and due to the fact that the oxidant passes at a high speed, the fuel and the oxidant are mixed adequately, and therefore the reaction efficiency of the carbonic fuel and the oxidant can be maximized.
Description
Technical field
The utility model relates to the burner in the entrained flow bed gasification technology field, particularly relates to the burner that a kind of carbonaceousfuel partially oxidation prepares synthetic gas.
Background technology
Coal is the major portion of world fuel.On coal-fired mode, generally be divided into two kinds: grate firing and suspension combustion.Grate furnace adopts fixed bed to come the bigger solid fuel of burning particles mostly.Suspension combustion can be used for combustion gases, liquid fuel and coal dust.Suspension combustion equipment is representative with the air flow bed, and major equipment is burner and body of heater.In air flow bed technology, spray feed stream entering vapourizing furnace and carry out incendiary equipment burner.
Main two technical elements of atmosphere of burner technology.
The one, the coal dust burner.Coal is processed into powdery, carries, spray into burner hearth with certain speed, direction, range of scatter with oxygenant through the coal dust burner and burn by carrier gas.
The 2nd, the coal water slurry burner.With adding oil or water etc. in the powdery coal, mixing and stirring forms coal water slurry, makes it have flowability, with liquid fuel certain similar characteristic is arranged, and sprays into burner hearth with certain speed, direction, fogging degree with oxygenant through the coal water slurry burner and burns.
It is thus clear that burner is one of the equipment of the most critical of fuel gas stream bed gasification technology.Through burner carbonaceousfuel and oxygenant are sent into air flow bed with certain speed, under the oxygenant effect of high-velocity jet, oxygenant and carbonaceousfuel thorough mixing, and under specified temp and pressure, chemical reaction takes place.Performance to process burner is mainly considered from the following aspects:
(1) mixed effect
The principle of burner is that utilization sprays unstripped gas at a high speed and other feed streams mix, and reaches ideal and mixes.In coal water slurry burner technology, this effect is also referred to as atomizing effect.
(2) length of flame and subtended angle
Under the vapourizing furnace working order, the subtended angle of the reactant flow that from burner, ejects should have a rational aperture, and flame length also should should not directly be washed into the metope of refractory materials or water wall a reasonable range.The optimum Working of burner and the height of vapourizing furnace and diameter should have a corresponding relation of coupling each other.
(3) work-ing life
Under the prerequisite that guarantees the burner serviceability, in the work-ing life of farthest improving burner, reduce because of what burner produced and stop the train number number.Guarantee that it can for a long time macrocyclic continuous service ability, improve the economical efficiency of producing.
So the structure of burner, material etc. are most important, must consider the thorough mixing of oxygenant and carbonaceousfuel, and solid fuel wearing and tearing that each position of burner is produced, and high temperature is to the influence of burner.There is following several problem mostly in existing burner:
(1) the burner mixed effect is poor, oxygenant and carbonaceousfuel in the air flow bed reactor drum, complete reaction not, the heat exchanging part that has just got into gasifying reactor causes efficiency of carbon conversion low, waste of fuel;
(2) owing to the reason of (1), the combustion flame of burner certainly will extend, to the generation thermal etching of the fire-resistant wall of gasifying reactor, bottom;
(3) owing to reasons such as wearing and tearing, elevated temperature heat ablations, the burner life-span is short.
The utility model content
The utility model technical problem to be solved provides the burner that a kind of carbonaceousfuel partially oxidation prepares synthetic gas, makes the mixed effect of nozzle be improved, thereby makes carbonaceousfuel and oxygenant in gasifying reactor, reach the reaction efficiency maximization.
The utility model solves the technical scheme that its technical problem adopted: provide a kind of carbonaceousfuel partially oxidation to prepare the burner of synthetic gas; Comprise fuel channel; Said fuel channel outlet side is provided with portfire, and the said fuel channel outside is provided with oxidant channel; The said oxidant channel outside is provided with cooling jacket, and the end of said fuel channel and oxidant channel separates through fuel-supply pipe, and said fuel-supply pipe surface is provided with the water conservancy diversion line.
Said water conservancy diversion line is a camber line water conservancy diversion line.
The angle of the upper extreme point tangent line of said camber line water conservancy diversion line and the tube wall of fuel-supply pipe is 0 ~ 30 °.
The angle of the upper extreme point tangent line of said camber line water conservancy diversion line and the tube wall of fuel-supply pipe is 0 ~ 10 °.
The upper extreme point of said camber line water conservancy diversion line and the angle of lower extreme point are 0 ~ 90 °.
The upper extreme point of said camber line water conservancy diversion line and the angle of lower extreme point are 0 ~ 30 °.
The bar number of said water conservancy diversion line is the 3-12 bar.
The degree of depth of said water conservancy diversion line is less than 5mm.
The width of said water conservancy diversion line is 3-20mm.
Said cooling jacket is set to bilayer structure through dividing plate.
The end of said cooling jacket is a fillet structure.
The interior extremity of said cooling jacket is provided with helical fin.
The quantity of said helical fin is the 8-16 sheet.
Beneficial effect
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art has following advantage and positively effect:
The utility model separates through fuel-supply pipe in the end of fuel channel and oxidant channel; The fuel-supply pipe end is provided with the water conservancy diversion line; Under the effect of water conservancy diversion line, oxygenant produces eddy flow in the exit, forms percussion flow with fuel; And because the high speed of oxygenant is passed through fuel and oxygenant thorough mixing.The water conservancy diversion line structure of the utility model has been strengthened the mixing of carbonaceousfuel, oxygenant greatly, and the carbon conversion capability obviously improves.The burner of the utility model has advantages such as reaction efficiency height, life-span length.
Cooling jacket is a fillet structure in the utility model, and it is suitable flexible that fillet structure can make the burner end have, to such an extent as to can bear high local heat flux, and be unlikely to produce the localized heat stress that makes that contour structures changes.At the cooling jacket medial end helical fin is set, heat-eliminating medium is got into through helical fin by inner channel can realize abundant heat exchange, and heat exchanger channels flows back to from the outside, with the protection burner.
Description of drawings
Fig. 1 is the longitudinal profile synoptic diagram of the utility model;
Fig. 2 is a fuel-supply pipe local form synoptic diagram in the utility model;
Fig. 3 is a fuel-supply pipe radial structure synoptic diagram in the utility model, is the end points up and down of the runner that only draws among this figure that avoids confusion;
Fig. 4 is a spiral cooling jacket internal helicoid fin structure synoptic diagram in the utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction the utility model scope.Should be understood that in addition those skilled in the art can do various changes or modification to the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
The embodiment of the utility model relates to the burner that a kind of carbonaceousfuel partially oxidation prepares synthetic gas, and is as shown in Figure 1, comprises fuel channel 1, and said fuel channel 1 outlet side is provided with portfire, and said fuel channel 1 outside is provided with oxidant channel 2; Said oxidant channel 2 outsides are provided with cooling jacket 7, and said fuel channel 1 separates through fuel-supply pipe 5 with the end of oxidant channel 2, and said fuel-supply pipe 5 surfaces are provided with water conservancy diversion line 6.
Specifically, be provided with a passage in the burner, this passage is a fuel channel 1, and fuel channel 1 outside is provided with oxidant channel 2, and with fuel-supply pipe 5 fuel channel 1 and oxidant channel 2 is separated in the end.Fuel gets into fuel-supply pipe 5, through fuel channel 1 with through the oxygenant of oxidant channel 2 in the burner end thorough mixing, and spurt into vapourizing furnace.In oxidant channel 2, the surface of fuel-supply pipe 5 is provided with water conservancy diversion line 6, and oxidant stream produces eddy flow under the effect of water conservancy diversion line 6 when water conservancy diversion line 6, and form percussion flow with fuel, and thorough mixing is also spurted into vapourizing furnace.
As shown in Figure 2, be provided with water conservancy diversion line 6 at the outer surface of fuel-supply pipe 5.The quantity of water conservancy diversion line 6 can increase or reduce according to caliber, the vapourizing furnace operating mode of nozzle, is preferably 3 ~ 12 water conservancy diversion lines.But water conservancy diversion line 6 degree of depth based on fuel transfer lime end wall thickness and deciding are preferably 0 ~ 5mm.Water conservancy diversion line 6 width are decided by required eddy flow effect and gas flow, are preferably 3 ~ 20mm.Water conservancy diversion line 6 can be that camber line water conservancy diversion line also can be a straight line water conservancy diversion line, preferred camber line water conservancy diversion line.When adopting arc water conservancy diversion line, the angle beta of the upper extreme point tangent line of camber line water conservancy diversion line and the tube wall of fuel-supply pipe is requiredly decided according to selecting, and both angle betas are 0 ~ 30 ° generally speaking, and optimized angle β is 0 ~ 10 °.
As shown in Figure 3, the sense of rotation of water conservancy diversion line 6 is to turn clockwise, and also can be rotated counterclockwise.The upper extreme point of water conservancy diversion line 6 and the angle [alpha] between the lower extreme point can be decided according to the desired gas flow direction and flow velocity, and angle [alpha] is 0 ~ 90 ° generally speaking, and preferred angle alpha is 0 ~ 30 °.
The interior extremity of cooling jacket is provided with helical fin, and is as shown in Figure 4, and helical fin 8 is as arranging among Fig. 4.Heat-eliminating medium is got into through helical fin 8 abundant heat exchange by inner channel, and heat exchanger channels flows back to from the outside, with the protection burner.Helical fin quantity suitably increases or reduces according to operating mode, is desirably 8 ~ 16.
What deserves to be mentioned is that the water conservancy diversion line structure of the utility model is applicable to that the burner that comprises all fine coal burners, coal water slurry burner improves, implementation is quite flexible.
Be not difficult to find; End at fuel channel and oxidant channel separates through fuel-supply pipe, and the fuel-supply pipe end is provided with the water conservancy diversion line, under the effect of water conservancy diversion line; Oxygenant produces eddy flow in the exit; Form percussion flow with fuel, and because the high speed of oxygenant is passed through fuel and oxygenant thorough mixing.The water conservancy diversion line structure of the utility model has been strengthened the mixing of carbonaceousfuel, oxygenant greatly, and the carbon conversion capability obviously improves.The burner of the utility model has advantages such as reaction efficiency height, life-span length.
Claims (13)
1. a carbonaceousfuel partially oxidation prepares the burner of synthetic gas, comprises fuel channel (1), and said fuel channel (1) outlet side is provided with portfire, and said fuel channel (1) outside is provided with oxidant channel (2); Said oxidant channel (2) outside is provided with cooling jacket (7), it is characterized in that, said fuel channel (1) separates through fuel-supply pipe (5) with the end of oxidant channel (2), and said fuel-supply pipe (5) surface is provided with water conservancy diversion line (6).
2. carbonaceousfuel partially oxidation according to claim 1 prepares the burner of synthetic gas, it is characterized in that, said water conservancy diversion line (6) is a camber line water conservancy diversion line.
3. carbonaceousfuel partially oxidation according to claim 2 prepares the burner of synthetic gas, it is characterized in that, the angle of the tube wall of the upper extreme point tangent line of said camber line water conservancy diversion line (6) and fuel-supply pipe (5) is 0 ~ 30 °.
4. carbonaceousfuel partially oxidation according to claim 3 prepares the burner of synthetic gas, it is characterized in that, the angle of the tube wall of the upper extreme point tangent line of said camber line water conservancy diversion line (6) and fuel-supply pipe (5) is 0 ~ 10 °.
5. carbonaceousfuel partially oxidation according to claim 2 prepares the burner of synthetic gas, it is characterized in that, the upper extreme point of said camber line water conservancy diversion line (6) and the angle of lower extreme point are 0 ~ 90 °.
6. carbonaceousfuel partially oxidation according to claim 5 prepares the burner of synthetic gas, it is characterized in that, the upper extreme point of said camber line water conservancy diversion line (6) and the angle of lower extreme point are 0 ~ 30 °.
7. prepare the burner of synthetic gas according to the described carbonaceousfuel partially oxidation of arbitrary claim among the claim 1-6, it is characterized in that the bar number of said water conservancy diversion line (6) is the 3-12 bar.
8. prepare the burner of synthetic gas according to the described carbonaceousfuel partially oxidation of arbitrary claim among the claim 1-6, it is characterized in that the degree of depth of said water conservancy diversion line (6) is less than 5mm.
9. prepare the burner of synthetic gas according to the described carbonaceousfuel partially oxidation of arbitrary claim among the claim 1-6, it is characterized in that the width of said water conservancy diversion line (6) is 3-20mm.
10. prepare the burner of synthetic gas according to the described carbonaceousfuel partially oxidation of arbitrary claim among the claim 1-6, it is characterized in that said cooling jacket (7) is set to bilayer structure through dividing plate (4).
11. carbonaceousfuel partially oxidation according to claim 10 prepares the burner of synthetic gas, it is characterized in that, the end of said cooling jacket (7) is a fillet structure.
12. carbonaceousfuel partially oxidation according to claim 11 prepares the burner of synthetic gas, it is characterized in that, the interior extremity of said cooling jacket (7) is provided with helical fin (8).
13. carbonaceousfuel partially oxidation according to claim 12 prepares the burner of synthetic gas, it is characterized in that, the quantity of said helical fin (8) is the 8-16 sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258152 CN202610199U (en) | 2012-06-02 | 2012-06-02 | Burner of carbonic fuel partial oxidation preparation synthesis gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220258152 CN202610199U (en) | 2012-06-02 | 2012-06-02 | Burner of carbonic fuel partial oxidation preparation synthesis gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202610199U true CN202610199U (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220258152 Expired - Fee Related CN202610199U (en) | 2012-06-02 | 2012-06-02 | Burner of carbonic fuel partial oxidation preparation synthesis gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202610199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489038A (en) * | 2017-11-30 | 2019-03-19 | 乔治洛德方法研究和开发液化空气有限公司 | A kind of burner of adjustable pluralities of fuel charge proportion |
-
2012
- 2012-06-02 CN CN 201220258152 patent/CN202610199U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489038A (en) * | 2017-11-30 | 2019-03-19 | 乔治洛德方法研究和开发液化空气有限公司 | A kind of burner of adjustable pluralities of fuel charge proportion |
| WO2019104614A1 (en) * | 2017-11-30 | 2019-06-06 | 乔治洛德方法研究和开发液化空气有限公司 | Oxidant-multifuel burner capable of being used for solid fuel and gas fuel |
| CN109489038B (en) * | 2017-11-30 | 2019-12-27 | 乔治洛德方法研究和开发液化空气有限公司 | Combustor capable of adjusting feeding proportion of various fuels |
| CN111417822A (en) * | 2017-11-30 | 2020-07-14 | 乔治洛德方法研究和开发液化空气有限公司 | Oxidant-multi-fuel burner nozzle capable of being used for solid fuel and gas fuel |
| CN111417822B (en) * | 2017-11-30 | 2021-06-29 | 乔治洛德方法研究和开发液化空气有限公司 | Oxidant-multi-fuel burner nozzle capable of being used for solid fuel and gas fuel |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20200602 |