CN209024467U - Starch coupled gasification furnace burner - Google Patents
Starch coupled gasification furnace burner Download PDFInfo
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- CN209024467U CN209024467U CN201820984219.3U CN201820984219U CN209024467U CN 209024467 U CN209024467 U CN 209024467U CN 201820984219 U CN201820984219 U CN 201820984219U CN 209024467 U CN209024467 U CN 209024467U
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Abstract
The utility model provides a kind of starch coupled gasification furnace burner, the burner includes: nozzle body, it is respectively successively to be arranged from the inside to the outside for the first passage of center conveyor gasifying agent, the second channel for conveying slurry carbonaceous organic material, the third channel for conveying middle ring gasifying agent and the fourth lane for conveying powder state carbonaceous organic material with plurality of passages, each channel.In the utility model, each channel of burner is followed successively by the first passage for center conveyor gasifying agent, the second channel for conveying slurry carbonaceous organic material, the third channel for conveying middle ring gasifying agent and the fourth lane for conveying powder state carbonaceous organic material from the inside to the outside, fourth lane i.e. for conveying powder state carbonaceous organic material is outermost channel, slurry carbonaceous organic material is aerosolizable uniform under the pincer attack of center gasifying agent and middle ring gasifying agent, it is then atomized again under the action of powder state carbonaceous organic material air-flow, to realize the evenly dispersed of material.
Description
Technical field
The utility model relates to gasification technology fields, in particular to a kind of starch coupled gasification furnace burner.
Background technique
Efficient, the clean utilization of coal are the strategic choices of China's economy and society sustainable development, are to guarantee China's energy
The Scientific And Technical basis of reliable and stable supply and sustainable development.The energy and chemical system based on coal gasification at
For hot spot technology and important development direction efficient in world wide, clean, economically develop and utilize coal.Coal gasification is
Coal and gasifying agent are acted on, various chemical reactions is carried out, coal is changed into fuel coal gas or synthesis coal gas.
Starch coupled gasification technical spirit is in gasification furnace while to spray into slurry carbonaceous organic material and powder state is carbon containing organic
Object is brought into reducing water, to improve whole carbonaceous organic material concentration indirectly, realizes that slurry carbonaceous organic material and powder state are carbon containing
The efficient total gasification of organic matter.Burner be starch coupled gasification furnace one of critical component, by it by slurry carbonaceous organic material,
Powder state carbonaceous organic material and gasifying agent are with certain speed importing gasification furnace, under the Aerodynamic force action of the gasifying agent of high speed injection,
Slurry carbonaceous organic material is atomized into droplet, and keeps powder state carbonaceous organic material evenly dispersed, realizes slurry carbonaceous organic material, powder
State carbonaceous organic material and gasifying agent are sufficiently mixed, concurrent biochemical reaction.Since gasification furnace interior reaction temperature is up to 1200 DEG C
~1400 DEG C, pressure is about 1.0MPa~10MPa, therefore is required burner very high.Nozzle structure design is improper, it will causes
The problems such as burner atomizing effect is poor, dispersion unevenness, the ablation of burner end, the leakage of burner cooling system, generation serious consequence.
In existing starch coupled gasification furnace, the single burner of furnace body is generally only injected into slurry carbonaceous organic material or is only injected into
Powder state carbonaceous organic material；Or slurry carbonaceous organic material and powder state carbonaceous organic material are injected simultaneously, but powder state carbonaceous organic material sprays
The inside that slurry carbonaceous organic material injection channel is arranged in channel is penetrated, the gasifying agent and powder state carbonaceous organic material of center high speed are at first
Contact, and speed reduces after colliding, and is unfavorable for the atomization of outside slurry carbonaceous organic material, so that there are burner atomizing effects is poor,
Disperse non-uniform problem.
Utility model content
In consideration of it, the utility model proposes a kind of starch coupled gasification furnace burners, it is intended to which the atomization of current burner is imitated
Fruit is poor, disperses non-uniform problem.
The utility model proposes a kind of starch coupled gasification furnace burners, which includes: nozzle body, with a plurality of
Channel, each channel be respectively successively be arranged from the inside to the outside for the first passage of center conveyor gasifying agent, for conveying slurry
The second channel of carbonaceous organic material, the third channel for conveying middle ring gasifying agent and for conveying powder state carbonaceous organic material
Four-way.
Further, in above-mentioned starch coupled gasification furnace burner, the outlet port close to nozzle body is provided with for making
The Mixed Zone of center gasifying agent and the mixing of slurry carbonaceous organic material.
Further, in above-mentioned starch coupled gasification furnace burner, the position of the outlet of fourth lane is compared to first passage
Outlet the outlet for being located closer to nozzle body；Position of the position of the outlet of fourth lane compared to the outlet of second channel
Rest against the outlet of nearly nozzle body.
Further, in above-mentioned starch coupled gasification furnace burner, the outlet in each channel is contraction mouth, also, from it is interior to
The angle that outer each contraction mouth is in is gradually increased.
Further, in above-mentioned starch coupled gasification furnace burner, the outlet angle of third channel is γ, 45 °≤γ≤
65°；The outlet angle of fourth lane is δ, 50 °≤δ≤80 °.
Further, in above-mentioned starch coupled gasification furnace burner, be provided in fourth lane make powder state carbonaceous organic material with
The evenly dispersed even distribution device of predetermined angle.
Further, in above-mentioned starch coupled gasification furnace burner, even distribution device is grid structure or cavernous structure.
Further, above-mentioned starch coupled gasification furnace burner, further includes: for carrying out cooling cooling dress to nozzle body
It sets, is set to the outside of nozzle body.
Further, in above-mentioned starch coupled gasification furnace burner, second channel includes: conduit and spray head；Wherein, conduit position
In spray head top and be connected with spray head；The thickness of the lower part of spray head is greater than the thickness on the top of spray head.
Further, it in above-mentioned starch coupled gasification furnace burner, is respectively provided in second channel, third channel and fourth lane
There is the guiding device that water conservancy diversion is carried out to material, also, each guiding device is close to the outlet in corresponding channel.
In the utility model, each channel of burner is followed successively by logical for the first of center conveyor gasifying agent from the inside to the outside
Road, the second channel for conveying slurry carbonaceous organic material, the third channel for conveying middle ring gasifying agent and for conveying powder
The fourth lane of state carbonaceous organic material, the i.e. fourth lane for conveying powder state carbonaceous organic material are outermost channel, slurry
Carbonaceous organic material is aerosolizable uniform under the pincer attack of center gasifying agent and middle ring gasifying agent, then in powder state carbonaceous organic material air-flow
Under the action of be atomized again, to realize the evenly dispersed of material.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of internal-mixing starch coupled gasification furnace burner provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of exterior mixing starch coupled gasification furnace burner provided by the embodiment of the utility model；
Fig. 3 is the another structural schematic diagram of internal-mixing starch coupled gasification furnace burner provided by the embodiment of the utility model；
Fig. 4 is the another structural schematic diagram of exterior mixing starch coupled gasification furnace burner provided by the embodiment of the utility model；
Fig. 5 is the structure of second channel in internal-mixing starch coupled gasification furnace burner provided by the embodiment of the utility model
Schematic diagram；
Fig. 6 is the structure of second channel in exterior mixing starch coupled gasification furnace burner provided by the embodiment of the utility model
Schematic diagram.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.It should be noted that in the absence of conflict, the implementation in the utility model
Feature in example and embodiment can be combined with each other.It is below with reference to the accompanying drawings and in conjunction with the embodiments practical new this is described in detail
Type.
Referring to Fig. 1, the preferred structure of starch coupled gasification furnace burner provided in this embodiment is shown in figure.As schemed
Show, which includes: burner body, and burner body has plurality of passages, these channels are respectively to be used for center conveyor gasification
The first passage 1 of agent, the second channel 2 for conveying slurry carbonaceous organic material, the third channel 3 for conveying middle ring gasifying agent
With the fourth lane 4 for conveying powder state carbonaceous organic material, first passage 1, second channel 2, third channel 3 and fourth lane 4
It is successively arranged from the inside to the outside.The outlet of fourth lane is the outlet of nozzle body, when it is implemented, center gasifying agent and middle ring
Gasifying agent all can be oxygen, slurry carbonaceous organic material can be coal slurry, powder state carbonaceous organic material can be fine coal.
In the present embodiment, each channel of burner be followed successively by from the inside to the outside the first passage 1 for center conveyor gasifying agent,
For conveying the second channel 2 of slurry carbonaceous organic material, the third channel 3 for conveying middle ring gasifying agent and for conveying powder state
The fourth lane 4 of carbonaceous organic material, the i.e. fourth lane 4 for conveying powder state carbonaceous organic material are outermost channel, slurry
Carbonaceous organic material is aerosolizable uniform under the pincer attack of center gasifying agent and middle ring gasifying agent, then in powder state carbonaceous organic material air-flow
Under the action of be atomized again, to realize the evenly dispersed of material.
In the various embodiments described above, it is provided in second channel 2, third channel 3 and fourth lane 4 and water conservancy diversion is carried out to material
Guiding device 7, also, each guiding device 7 is close to the outlet in corresponding channel, and 7 one side of guiding device can be to burning
Mouth is played a supporting role, and to guarantee the firm of nozzle structure, on the other hand also material can be made to be uniformly distributed, improve flow direction of material.
When it is implemented, guiding device 7 can be located at the middle and lower part in respective corresponding channel, also, guiding device 7 and corresponding thereto
The distance between channel outlet answered is the 1/3-1/2 of the length in the channel.It should be noted that the structure of guiding device 7 is
Known to one of skill in the art, details are not described herein again.
In above-described embodiment, the outlet in each channel is contraction mouth, wherein second channel 2, third channel 3 and the 4th
Channel 4 is to cut angle so that the exit in each channel be made to be formed, to the contraction mouth of contraction on the inside of nozzle body so that channel
Interior material generates radial displacement, on the one hand, contraction mouth helps to improve the atomizing effect of slurry carbonaceous organic material, to improve
The gasification efficiency and efficiency of carbon con version of gasification furnace；On the other hand, the friction due to material in the outlet in channel is the most serious, the structure
The service life of gasification burner tip can be improved.The angle that each contraction mouth from the inside to the outside is in is followed successively by α, β, γ and δ, and each angle
Between have certain size relation, for example, α < β < γ < δ.Since the atomization of slurry carbonaceous organic material relies primarily on center
Assisted atomization is only played the role of in the impact of the pincer attack of gasifying agent and middle ring gasifying agent, powder state carbonaceous organic material air-flow, so, it is
Enhancing powder state carbonaceous organic material air-flow is to the impact atomization effect of slurry carbonaceous organic material, to realize slurry carbonaceous organic material
Evenly dispersed, the outlet angle of third channel 3 is 45 °≤γ≤65 °, and the outlet angle of fourth lane 4 is 50 °≤δ≤80 °,
Under this structure, slurry carbonaceous organic material can reach optimal atomization, dispersion effect；In addition, 20 °≤α≤45 °.
In above-described embodiment, the position of outlet close to nozzle body is provided with Mixed Zone 5 so that center gasifying agent and
Slurry carbonaceous organic material is mixed.Mixed Zone 5 can be that internal-mixing can also be with exterior mixing, when it is implemented, fourth lane 4
Outlet position compared with the position of the outlet of first passage 1, the outlet of fourth lane 4 is located closer to nozzle body
Outlet, i.e., as shown in Figure 1, the position of the outlet of fourth lane 4 lower than first passage 1 outlet position, first passage 1
Region between outlet and the outlet of second channel 2 forms Mixed Zone 5.
The distance between outlet and the outlet of first passage 1 of fourth lane 4 are X, referring to Fig. 1, as 30mm≤X≤70mm
When, Mixed Zone 5 is internal-mixing, the slurry carbonaceous organic material that the center gasifying agent and second channel 2 that first passage 1 conveys convey
It is mutually hit in Mixed Zone 5 with certain angle of cut, realizes premixing, under the impact, collision and rolling action of high-speed flow,
Slurry carbonaceous organic material and center gasifying agent occurs herein it is rapid mixed, the particle of slurry carbonaceous organic material and center gasifying agent in addition to
Have outside forward movement, also generation radial displacement, high viscosity carbonaceous material is by initial atomization；Subsequent center gasifying agent, water, slurry
When the mixing turbulent flow of carbonaceous organic material particle sprays Mixed Zone 5 straight down, with middle ring gasifying agent in the outlet of third channel 3
Place meets, and the middle ring gasifying agent sprayed by the slurry carbonaceous organic material of initial atomization by third channel 3 is at an angle
It hits, final slurry carbonaceous organic material is under the dual pincer attack of center gasifying agent and middle ring gasifying agent, between gas-liquid-solid three phase flow
Sharp impacts, merging occurs, interts and separates, slurry carbonaceous organic material is further atomized uniformly；At the same time, powder state is carbon containing
Organic matter and CO2Enter burner head in eddy flow state under the action of guiding device 7, in high pressure CO2Percussion under, powder
State carbonaceous organic material, gasifying agent and slurry carbonaceous organic material aerosol are admixed together.
Referring to fig. 2, as 7mm≤X≤20mm, Mixed Zone 5 is exterior mixing, the center gasifying agent that first passage 1 conveys
The powder that the middle ring gasifying agent and fourth lane 4 that slurry carbonaceous organic material, the third channel 3 conveyed with second channel 2 conveys convey
State carbonaceous organic material meets in the exit of nozzle body, pair of the slurry carbonaceous organic material in center gasifying agent and middle ring gasifying agent
Pincer attack is lower again occurs sharp impacts, merging, interspersed and separation, and uniformly, powder state carbonaceous organic material is in high pressure CO for atomization2Gas rushes
Dispersed under the effect of hitting, in turn, powder state carbonaceous organic material, gasifying agent and slurry carbonaceous organic material aerosol are admixed together.
In above-described embodiment, in first passage 1, second channel 2, third channel 3 and fourth lane 4, positioned at the logical of outside
The position of the outlet in road compared to be located inside channel outlet the outside for being located closer to nozzle body, i.e., such as Fig. 1 institute
Show, the position of the outlet positioned at the channel of inside is lower than positioned at the position of the outlet in the channel in outside, wherein second channel 2
The distance between outlet and the outlet of fourth lane 4 are Y, the outlet of third channel 3 and the distance between the outlet of fourth lane 4
For Z, the outlet of second channel 2 is center gasifying agent and is exported by the mixed material of the slurry carbonaceous organic material of initial atomization, the
The outlet of triple channel 3 is the mixed material of center gasifying agent, middle ring gasifying agent and the slurry carbonaceous organic material being further atomized
Outlet, the outlet of fourth lane 4 are center gasifying agent, middle ring gasifying agent, powder state carbonaceous organic material and are further atomized
The mixed material of slurry carbonaceous organic material exports.When it is implemented, 5mm≤Y≤15mm, 2mm≤Z≤10mm, to reduce material
Abrasion to burner head, and guarantee the abundant atomization and dispersion of material.
In above-described embodiment, even distribution device 6 is provided in fourth lane 4, so that powder state carbonaceous organic material is with predetermined angle
It is evenly dispersed, also, even distribution device 6 is set to the outlet of fourth lane 4.When it is implemented, even distribution device 6 be grid structure or
Cavernous structure, the distance between bottom and the outlet of fourth lane 4 of even distribution device 6 are equal to the outlet and the 4th of third channel 3
The distance between the outlet in channel 4 Z.
It is provided in the various embodiments described above, on the outside of nozzle body and carries out cooling cooling device 8 to nozzle body.Referring to
Fig. 3, cooling device 8 may include cooling coil 81, and disk is set to positioned at the outside of fourth lane 4, when it is implemented, four-way
The outer wall of the bottom in road 4 offers cooling chamber 85, and cooling water inlet pipe 86 is connected by cooling chamber 85 with cooling coil 81, with
Coolant is conveyed into cooling coil 81.Referring to fig. 4, cooling device 8 can also include: collet 82, be sheathed on fourth lane 4
Outside.Collet 82 may include the intake tunnel 83 and backwater channel 84 that bottom is connected, 84 He of backwater channel of each collet 82
Intake tunnel 83 is set gradually from the inside to the outside.When it is implemented, collet 82 can be used individually using cooling coil 81 or individually
It is cooled down.It should be noted that cooling coil 81 and collet 82 can be applied to internal-mixing starch coupled gasification furnace burner, it can also
Applied to exterior mixing starch coupled gasification furnace burner.
In the various embodiments described above, second channel 2 may include: conduit 21 and spray head 22.Wherein, conduit 21 is located at spray head 22
Top and be connected with spray head 22, the outlet of spray head 22 is the contraction mouth shunk on the inside of nozzle body, so that slurry is carbon containing
Organic matter generates radial displacement, enhances the impact atomization effect of slurry carbonaceous organic material.Referring to 5 and Fig. 6, to mitigate due to the spray
The diminution of first 22 outlet caliber, slurry carbonaceous organic material are washed away and are denuded to vias inner walls, and are used to extend burner
Service life, the thickness of the lower part of spray head 22 are greater than the thickness on the top of spray head 22, when it is implemented, the tubing thickness of spray head 22 is from upper
To lower uniform increase.The most thin position of 22 tubing of spray head with a thickness of D1, most thick position with a thickness of D2, when it is implemented, working as
When Mixed Zone 5 can be internal-mixing, D2=(1.2-1.5) D1；When Mixed Zone 5 can be exterior mixing, D2=(1.1-
1.2)D1.It should be noted that each channel of nozzle body can be made of the conduit and spray head being connected.
In the present embodiment, each channel of burner be followed successively by from the inside to the outside the first passage for center conveyor gasifying agent,
Contain for conveying the second channel of slurry carbonaceous organic material, the third channel for conveying middle ring gasifying agent and for conveying powder state
The fourth lane of carbon organic matter, i.e., the fourth lane for conveying powder state carbonaceous organic material is outermost channel, and slurry is carbon containing
Organic matter is aerosolizable uniform under the pincer attack of center gasifying agent and middle ring gasifying agent, then in the work of powder state carbonaceous organic material air-flow
It is atomized again under, to realize the evenly dispersed of material.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of starch coupled gasification furnace burner characterized by comprising
Nozzle body, with plurality of passages, each channel is respectively successively to be arranged from the inside to the outside for center conveyor gas
The first passage (1) of agent, the second channel (2) for conveying slurry carbonaceous organic material, for conveying middle ring gasifying agent
Triple channel (3) and fourth lane (4) for conveying powder state carbonaceous organic material；
The distance between outlet and the outlet of the fourth lane (4) of the third channel (3) are Z.
2. starch coupled gasification furnace burner according to claim 1, which is characterized in that
Outlet port close to the nozzle body is provided with for making the center gasifying agent and the slurry carbonaceous organic material
Mixed Mixed Zone (5).
3. starch coupled gasification furnace burner according to claim 1, which is characterized in that
The outlet of the position of the outlet of the fourth lane (4) compared to the first passage (1) is located closer to the spray
The outlet of mouth ontology；
The outlet of the position of the outlet of the fourth lane (4) compared to the second channel (2) is located proximate to the nozzle
The outlet of ontology.
4. starch coupled gasification furnace burner according to claim 1, which is characterized in that
The outlet in each channel is contraction mouth, also, the angle that each contraction mouth from the inside to the outside is in is gradually increased.
5. starch coupled gasification furnace burner according to claim 1, which is characterized in that
The outlet angle of the third channel (3) is γ, 45 °≤γ≤65 °；
The outlet angle of the fourth lane (4) is δ, 50 °≤δ≤80 °.
6. starch coupled gasification furnace burner according to claim 1, which is characterized in that
The even distribution device for keeping the powder state carbonaceous organic material evenly dispersed with predetermined angle is provided in the fourth lane (4)
(6)。
7. starch coupled gasification furnace burner according to claim 6, which is characterized in that
The even distribution device (6) is grid structure or cavernous structure.
8. starch coupled gasification furnace burner according to any one of claim 1 to 7, which is characterized in that further include:
For carrying out cooling cooling device (8) to the nozzle body, it is set to the outside of the nozzle body.
9. starch coupled gasification furnace burner according to any one of claim 1 to 7, which is characterized in that described second is logical
Road (2) includes: conduit (21) and spray head (22)；Wherein,
The conduit (21) is located at the top of the spray head (22) and is connected with the spray head (22)；
The thickness of the lower part of the spray head (22) is greater than the thickness on the top of the spray head (22).
10. starch coupled gasification furnace burner according to any one of claim 1 to 7, which is characterized in that
It is provided in the second channel (2), the third channel (3) and the fourth lane (4) and water conservancy diversion is carried out to material
Guiding device (7), also, each guiding device (7) is close to the outlet in the corresponding channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984219.3U CN209024467U (en) | 2018-06-25 | 2018-06-25 | Starch coupled gasification furnace burner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820984219.3U CN209024467U (en) | 2018-06-25 | 2018-06-25 | Starch coupled gasification furnace burner |
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| CN209024467U true CN209024467U (en) | 2019-06-25 |
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ID=66870060
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111440639A (en) * | 2020-04-10 | 2020-07-24 | 新奥科技发展有限公司 | Powder slurry coupling type gasification burner |
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2018
- 2018-06-25 CN CN201820984219.3U patent/CN209024467U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111440639A (en) * | 2020-04-10 | 2020-07-24 | 新奥科技发展有限公司 | Powder slurry coupling type gasification burner |
| CN111440639B (en) * | 2020-04-10 | 2021-06-22 | 新奥科技发展有限公司 | Powder slurry coupling type gasification burner |
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