CN105985808A - Gasification nozzle and gasification furnace - Google Patents
Gasification nozzle and gasification furnace Download PDFInfo
- Publication number
- CN105985808A CN105985808A CN201510051415.6A CN201510051415A CN105985808A CN 105985808 A CN105985808 A CN 105985808A CN 201510051415 A CN201510051415 A CN 201510051415A CN 105985808 A CN105985808 A CN 105985808A
- Authority
- CN
- China
- Prior art keywords
- gasification
- nozzle
- jet pipe
- burner
- oblique
- 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.)
- Granted
Links
Landscapes
- Spray-Type Burners (AREA)
Abstract
The invention discloses a gasification nozzle and a gasification furnace. The gasification nozzle comprises a nozzle base (1) as well as a center spray pipe (2) and multiple slanting spray pipes (3) which are perpendicularly penetrated into the nozzle base from the outer side, wherein center flow and slanting flow guided in by the spray pipes can clash at a convergence point (P) at the inner side of the nozzle base and then are burnt and gasified, and a circumferential protective layer which is arranged around the convergence point to inhibit slanting flow impact is also formed at the inner side of the nozzle base. The center spray pipe can also comprise an outer spray pipe (21) and an inner spray pipe (22) which are arranged in a sleeving manner, wherein an inner end spray head of the inner spray pipe retracts to ensure that retraction space forms a pre-mixing zone (C); and in the pre-mixing zone, primary gasifying agent jet flow and fuel flow are mixed together to form central mixed flow, and the central mixed flow and secondary gasifying agent jet flow guided in by the slanting spray pipes (3) are converged at the convergence point. The gasification nozzle is simple in structure and better in mixing effect; and in particularly, the gasification nozzle reduces damages to the furnace wall of the gasification furnace and improves the service life of the gasification furnace.
Description
Technical field
The invention belongs to coal gasification field, in particular it relates to a kind of gasification furnace and gasification burner tip thereof.
Background technology
It is that current coal science studies most important problem that the clean and effective of coal utilizes, and coal gasification is that coal clean and effective utilizes
Most important approach, is also the source of all Coal Chemical Engineering Projects.Wherein, gasification burner tip be whole gasification furnace key equipment it
One, the development of gasification burner tip technology directly determines operation stability and the reliability of gasification technology.
Fig. 1 and Fig. 2 illustrates common in the art two kind gasification burner tip structure.Fig. 1 is CN 102583243 A
Shown in coaxial-type jet gasification nozzle, including interior burner, middle burner and outer burner, and at the part wall of burner
It is provided with coating to improve service life.But this traditional coaxial-type jet gasification nozzle is in use, the spray of " flame "
Penetrate distance longer so that the refractory brick in gasification furnace is shorter for service life.And, the gasifying agent in this nozzle and fuel
Mixed effect general, fuel and gasifying agent can form bigger eddy current back-mixing, to increase the stop of fuel in gasification furnace
Time, this makes the reactor volume of required gasification furnace bigger.
Fig. 2 is a kind of gasification nozzle shown in the authorization number patent for CN1015822, gasifying agent jet therein and combustion
There is certain angle between stream, but the rum point of the two (i.e. combustion zone) is in the front end of burner, also referred to as burner face.
The shortcoming of this type of gasification nozzle is because in gasifying process, high heat-flux and potential corrosive atmosphere are easily causing in burner face
Damage.For overcoming this defect, nozzle structure is accomplished by the complex of design, even also needs at front end of burner outer surface
Set up refractory lining or the hollow wall pieces of band inner cooling path is set, making cooling fluid circulate in inner cooling path high speed.
Existing research is it has been shown that when gasification temperature reaches more than 1400 DEG C, the general reaction speed of gasification is not to be subject to
Temperature impact, major control factors is the mass transfer rate between gas-solid.Therefore, the mass transfer how strengthened between gas-solid is
Solve the critical path that gasification efficiency is low, thus also can reduce the time of staying, reduce equipment volume, reduce equipment investment etc..
For airflow bed gasification furnace, enhancing mass and heat transfer it is crucial that make solid particle dispersed and be quickly mixed into gas phase be situated between
In matter, reduce back-mixing the most as far as possible.
Summary of the invention
For overcoming drawbacks described above, the invention provides a kind of gasification burner tip and there is the gasification furnace of this gasification burner tip, this gasification
Nozzle structure is relatively easy, possesses more excellent mixed effect, especially greatly reduces the damage to gasification furnace furnace wall, carry
The service life of high gasification furnace.
For achieving the above object, the invention provides a kind of gasification burner tip, this gasification burner tip includes burner seat, core jet pipe
With many oblique jet pipes, core jet pipe penetrates in this burner seat from the outside vertical of burner seat, many oblique jet pipes around
Core jet pipe is arranged symmetrically with and penetrates in burner seat obliquely from outside, core jet pipe the center imported is flowed and by oblique spray
The oblique stream that pipe imports can clash and combustion gasification at the joint inside burner seat, and the inner side of burner seat is also formed with
Arrange around joint with the circumferential overcoat of suppression oblique stream impact.
Preferably, circumference overcoat sets the tubular protective cover of heat proof material in being, the top of this protective cover is connected to burner seat
Medial wall, the internal ring wall of protective cover is embedded with the coolant coil pipe arranged continuously along this internal ring wall, outside this coolant coil pipe
It is coated with coolant pipe overcoat.
It is highly preferred that in protective cover, by internal ring wall around inner cavity chamber include the upper cone platform that top is enlarging shape in
Chamber and bottom are the lower cone platform inner cavity chamber of enlarging shape, and core jet pipe and the oblique jet pipe of Duo Gen are all communicated to upper cone
Platform inner cavity chamber, joint is positioned at lower cone platform inner cavity chamber.
It is highly preferred that be provided around the first cooling chamber of core jet pipe in burner seat and around the second of many oblique jet pipes
Cooling chamber, this second cooling chamber connects with coolant coil pipe.
Preferably, the medial wall of burner seat arranges noble gas jet pipe, to eject the noble gas as circumference overcoat
Overcoat.
It is highly preferred that described noble gas jet pipe is circumferentially provided on the friendship near gasification furnace furnace wall with the described inner side of burner seat
At remittance, in order to be better protected from oblique stream at a high speed to the impact of gasification furnace furnace wall and corrosion.
It is same it is highly preferred that noble gas overcoat is CO2Preventing gas sheath.
Selectively, core jet pipe the center stream imported is fuel stream, oblique jet pipe the oblique stream imported is gasifying agent
Jet.
Preferably, core jet pipe includes sheathed outer nozzle and inner nozzle, in the outer end of outer nozzle and the outer end of inner nozzle
One is passed through fuel, and another one is passed through gasifying agent and forms a gasifying agent jet, outer nozzle and inner nozzle penetrate burner seat
The inner be equipped with shower nozzle；The inner shower nozzle of inner nozzle bounces back in this burner seat relative to the medial wall of burner seat so that
The space that inside contracts between inner shower nozzle and medial wall is formed as pre-mix zone；
Wherein, oblique jet pipe the oblique stream imported is second gasification agent jet, in pre-mix zone, by outer nozzle or interior spray
A gasifying agent jet and fuel stream that pipe imports are mixed into center mixed flow, this center mixed flow and second gasification agent jet
Come together at joint.
Selectively, the outer end of outer nozzle is provided with tangential inlet, and the fluid entered by this tangential inlet can be at outer nozzle
And form eddy flow between inner nozzle.
Selectively, the outside wall surface of inner nozzle is provided with the guide vane extended the most in the shape of a spiral, to guide by outer spray
The fluid that pipe enters can form eddy flow between outer nozzle and inner nozzle.
Selectively, the inner outside wall surface of inner nozzle is provided with multiple propeller blades circumferentially, outer nozzle enter
The fluid entered enters pre-mix zone via the clearance channel between adjacent any two propeller blade with cyclonic form.
On the basis of the above, present invention also offers a kind of gasification furnace, on the furnace wall of this gasification furnace and/or top is provided with basis
The gasification burner tip that the present invention is above-mentioned.
Preferably, the top of gasification furnace can be spaced and be disposed with multiple above-mentioned gasification burner tip.
According to technique scheme, in the gasification burner tip of the present invention, it is different from traditional coaxial-type jet gasification nozzle,
Have employed the many oblique jet pipes arranged around core jet pipe, the center stream of ejection in two class jet pipes and oblique stream are at burner seat
Inner side there is head-on collision combustion gasification, thus avoid and burner face or burner itself caused damage, head-on collision burning can also
Effectively strengthen the dispersed effect of fuel particle and mix with the quick of gasifying agent, rate reduction after head-on collision, also reducing
The length of back-mixing and combustion flame, thus the gasification furnace volume needed for reducing, be provided with circumference protection the most especially
Layer is to prevent oblique stream at a high speed to the impact of gasification furnace furnace wall and corrosion.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is the structural representation of two kinds of gasification burner tips of the prior art；
Fig. 3 is the gasification burner tip according to the preferred embodiment of the present invention and the signal of the mounting structure on gasification furnace thereof
Figure；
Fig. 4 with Fig. 3 is similar, and local specifically show the internal structure of gasification burner tip, especially illustrates as circumference
The concrete structure of the tubular protective cover of a kind of preferred implementation of overcoat and cooling structure；
Fig. 5 is the top view of the outer nozzle with tangential inlet；
Fig. 6 is the three-dimensional view of the inner nozzle with guide vane；
Fig. 7 is the sectional view that nozzle end is provided with the inner nozzle of propeller blade circumferentially；
Fig. 8 is the mounting structure schematic diagram on gasification furnace furnace wall of the gasification burner tip according to the present invention, three-dimensionally illustrates four
Individual oblique jet pipe is evenly arranged around core jet pipe；
Fig. 9 is the mounting structure schematic diagrams on gasification furnace furnace wall of seven gasification burner tips according to the present invention, wherein also shows that
The trachea of the circumferential overcoat forming noble gas is arranged.
Description of reference numerals
1 burner seat 2 core jet pipe
3 oblique jet pipe 4 protective covers
5 gasification furnace 6 adpting flanges
11 first cooling chamber of cooling chamber 12 second
13 medial wall 21 outer nozzles
22 inner nozzle 23 tangential inlets
24 guide vane 25 propeller blades
41 heat proof material 42 coolant coil pipes
43 coolant pipe overcoat P joints
A upper cone platform inner cavity chamber B lower cone platform inner cavity chamber
C pre-mix zone D clearance channel
α upper cone angle beta bottom cone angle
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that it is described herein
Detailed description of the invention be merely to illustrate and explain the present invention, be not limited to the present invention.
In the present invention, in the case of illustrating on the contrary, the noun of locality of use such as " upper and lower, top, the end " is generally
For direction shown in the drawings, or for on vertical, vertical or gravity direction, or phase
Close the structural device each parts mutual alignment relationship description word under normal operating condition；Similarly, for ease of understand and
Describing, it is inside and outside that " inside and outside " refers to relative to the profile of each parts itself, but the above-mentioned noun of locality is not limited to
Invention.
As shown in Figure 3 and Figure 4, the invention discloses a kind of gasification burner tip, this gasification burner tip includes burner seat 1, center
The oblique jet pipe 3 of jet pipe 2 and Duo Gen, core jet pipe 2 penetrates in this burner seat 1 from the outside vertical of burner seat 1, many
Oblique jet pipe 3 is arranged symmetrically with around core jet pipe 2 and penetrates obliquely in burner seat 1 from outside.Led by core jet pipe 2
The center stream entered can clash and burn by the joint P inside burner seat 1 with the oblique stream imported by oblique jet pipe 3
Gasification, the inner side of burner seat 1 is also formed with the circumferential overcoat arranged around joint P, suppresses oblique stream with main,
Including the gas impact to the furnace wall of gasification furnace 5 after burning.
Wherein, for improving gasification efficiency, enhancing mass and heat transfer, coaxial with gasifying agent (such as oxygen) at existing fuel
On the basis of formula conveying, it is improved to pass through in core jet pipe 2 and oblique jet pipe 3 with the form of center stream and oblique stream respectively
Ejection, and then at the joint P of the inner side of burner seat 1, there is head-on collision combustion gasification, the head-on collision of two strands of jets can make
Obtain solid particle fuel to spread more evenly across and be quickly mixed in gas phase media, compared to coaxially between fuel and gasifying agent
Fluidic architecture has more preferable mixed effect.And joint P is on the inner side certain distance of burner seat 1, can reduce and return
Mixed, it is thus also avoided that burner itself is caused high temperature failure.Speed relative reduction after head-on collision, also reduces the length of combustion flame
Degree, thus the gasification furnace volume needed for reducing.
But, owing to the oblique stream of oblique jet pipe 3 ejection typically has fair speed, even if having certain after head-on collision burning
Slow down, but still there is suitable speed, certain impact failure can be caused in the furnace wall of gasification furnace 5, make for a long time
Under with, maintenance cost is the highest, or needs the furnace volume increasing gasification furnace to avoid impact.In the present invention, for
This is provided with the circumferential overcoat around joint P the most especially, to prevent oblique stream impact gasification furnace furnace wall at a high speed.
As shown in Figure 3 and Figure 4, as a kind of preferred implementation of circumference overcoat, it is designed as built-in heat proof material 41
Tubular protective cover 4, the top of this protective cover 4 is connected to the medial wall 13 of burner seat 1, on the internal ring wall of protective cover 4
It is embedded with the coolant coil pipe 42 arranged continuously along this internal ring wall, outside this coolant coil pipe 42 can be fixedly connected on by pin etc.
On the coolant pipe overcoat 43 (such as SiC castable etc.) that portion covers.Wherein, tubular protective cover 4 is with burner seat 1 even
Being integrated, form high-temperature fuel combustion gasification passage in protective cover 4, high-temperature combustion gas acts on the internal ring of protective cover 4
On wall, namely on coolant pipe overcoat 43, by coolant coil pipe 42 to coolant pipe overcoat 43 continued down.
After high-temperature combustion gas acts on internal ring wall, speed and temperature are greatly reduced, thus are effectively prevented from oblique stream and high temperature combustion
Burn the gas erosion to gasification furnace furnace wall.
Specifically, in protective cover 4, by internal ring wall around inner cavity chamber's (i.e. high-temperature fuel combustion gasification passage) include
The lower cone platform inner cavity chamber B that top is the upper cone platform inner cavity chamber A of enlarging shape and bottom is enlarging shape, core jet pipe
2 and Duo Gen oblique jet pipes 3 are all communicated to upper cone platform inner cavity chamber A, and joint P is then preferably located in lower cone platform
In inner cavity chamber B.So, oblique Liu He center flowed through upper cone platform inner cavity chamber A and was pooled at joint P.Top
Receiving center stream and two strands of oblique streams, the bottom of upper cone platform inner cavity chamber A are easy in the top enlarging of frustum of a cone inner cavity chamber A
Tapered mouth is conducive to the mixing of center stream and oblique stream.At joint P, the high-temperature gas after collision burning is via bottom
The bottom enlarging of frustum of a cone inner cavity chamber B is to external diffusion, the internal face of the lower cone platform inner cavity chamber B high-temperature gas to diffusion
And the oblique stream of part has stop percussion.Wherein, oblique jet pipe 3 relative to core jet pipe 2 angle of inclination,
The top cone angle of upper cone platform inner cavity chamber A and the lower cone angle beta of lower cone platform inner cavity chamber B all can be according to technique need
It is designed or field adjustable, can be 90 °～160 °.Certainly, the structure of protective cover 4 herein is only enumerated,
If such as there being concrete needs, joint P may also be arranged in upper cone platform inner cavity chamber A.
Collision combustion potential at joint P must produce the biggest heat, and the internal ring wall formation to protective cover 4 scorches, also
Bring high temperature to affect neighbouring burner seat 1, core jet pipe 2 and oblique jet pipe 3 equally, thus be necessary to carry out quickly and
Effectively cool down, and keep the operation temperature of burner seat 1.To this end, be provided with ring in the burner seat 1 shown in Fig. 3 and Fig. 4
The first cooling chamber 11 around core jet pipe 2 and the second cooling chamber 12 around many oblique jet pipes 3, this second cooling
Chamber 12 preferably connects with adjacent coolant coil pipe 42.Divide in first cooling chamber 11 and the second cooling chamber 12
It is not connected with independent water inlet and outlet.Certainly, the first cooling chamber 11 and the second cooling chamber 12 both can mutually divide
Every, can be as independent cooling chamber, it is possible to be interconnected, design according to specific needs.
As the another embodiment of circumference overcoat, circumference overcoat is also without requiring being cover body in kind, and it can
To be preventing gas sheath.Such as, the medial wall 13 of burner seat 1 can connect noble gas jet pipe, to eject as week
To the noble gas overcoat of overcoat.As it is shown in figure 9, when gasification burner tip is arranged on the furnace roof of gasification furnace, form gas
The noble gas jet pipe of body protective cover 4 along gasification furnace circumferentially, can form the hoop air-flow of circumference, to protect gasification
The circumferential internal protecting wall of stove.Preferably, noble gas overcoat is CO2Preventing gas sheath.Described noble gas jet pipe circumference
It is positioned close to the intersection of gasification furnace furnace wall and the described inner side of burner seat, in order to be better protected from oblique stream at a high speed right
The impact of gasification furnace furnace wall and corrosion.I.e. noble gas jet pipe ejection CO2, CO2Can be with the uncompleted burned carbon of furnace wall attachment
Particle reaction generates CO, absorbs heat simultaneously, lowers the temperature the furnace wall of gasification furnace, protects furnace wall further.
Selectable, core jet pipe 2 the center stream imported can be gasifying agent jet, then imported by oblique jet pipe 3
Oblique stream is fuel stream.But in the embodiment shown in Fig. 3 and Fig. 4, oblique jet pipe 3 the oblique stream imported is gas
Agent jet.
On this basis, first the fuel stream sprayed at core jet pipe 2 tentatively mix with a gasifying agent jet, then with two
Secondary gasifying agent jets collision mixes, to reach more preferable mix uniformly effect.Specifically, core jet pipe 2 can include coaxially
One in sheathed outer nozzle 21 and inner nozzle 22, the outer end of outer nozzle 21 and the outer end of inner nozzle 22 is passed through fuel,
Another one is passed through a gasifying agent jet, and the outer end of outer nozzle 21 and inner nozzle 22 is affixed and external by adpting flange 6
That closes the annular space between outer nozzle 21 and inner nozzle 22, outer nozzle 21 and inner nozzle 22 penetrates burner seat 1
The inner is equipped with shower nozzle.Shower nozzle can individualism, and be connected with conduit with composition outer nozzle 21 or inner nozzle 22.Also can be such as
Shown in Fig. 3 and Fig. 4, the inner end portion of conduit is designed as the closing in shape that cross section is tapered, to form shower nozzle, in figure
The closing in cone angle of shower nozzle is about 50 °.Closing in cone angle is determined on a case-by-case basis, and can be 10 °～60 °.Additionally, it is interior
The inner shower nozzle of jet pipe 22 bounces back certain distance relative to the medial wall 13 of burner seat 1 in this burner seat 1 so that interior
The space that inside contracts between end shower nozzle and medial wall 13 is formed as pre-mix zone C.
So, outer nozzle 21 and inner nozzle 22 the gasifying agent jet and the fuel stream that import all can accelerate at shower nozzle
Ejection, and then in pre-mix zone C, after premix, centered by one-tenth, after mixed flow, discharge burner.Now imported by oblique jet pipe 3
Oblique stream is second gasification agent jet, and this center mixed flow comes together in second gasification agent jet and again mixes at joint P.
So, can make to mix evenly by premixing, burning is more abundant, reaches optimum mixing by two-stage hybrid mode
Effect.
Particularly, as it is shown in figure 5, the outer end of outer nozzle 21 can be provided with off-centered tangential inlet 23, cut by this
The fluid (such as oxygen stream) entered to entrance 23 can shape in the annular space between outer nozzle 21 and inner nozzle 22
Become eddy flow.Similarly, it is possible in the outer end of inner nozzle 22, similar tangential inlet is set, entered by this tangential inlet
Fluid (such as fuel stream) is formed as eddy flow.One can be entered in pre-mix zone C with the fluid that cyclonic form sprays from spout
Step increases mixed effect.
In like manner, as shown in Figure 6, the outside wall surface of inner nozzle 22 also can be provided with the guiding extended the most in the shape of a spiral
Blade 24, to guide the fluid entered by outer nozzle 21 can form eddy flow between outer nozzle 21 and inner nozzle 22.Ginseng
See Fig. 7, the outside wall surface of the inner shower nozzle of inner nozzle 22 may also set up multiple propeller blades 25 circumferentially, by outward
The fluid that jet pipe 21 enters enters premix by clearance channel D between two adjacent propeller blades 25 with cyclonic form
District C.By the design of the cyclone of three of the above form, the tangential velocity of fluid can be increased, strengthen the mixing effect of jet
Really, contract short flamed length.
Seeing Fig. 8 and Fig. 9, oblique jet pipe 3 can be arranged symmetrically with around core jet pipe 2 on burner seat 1, and quantity is permissible
4, the even numbers such as 6, oblique jet pipe 3 relative to the angle of inclination of core jet pipe 2 depending on concrete installation situation,
Usually 10 °～about 60 °.Oblique jet pipe 3 is preferably hoop one week.Now, the outer end of each oblique jet pipe 3 can
It is interconnected and is passed through gasifying agent fluid by one or more imports.Core jet pipe 2, oblique jet pipe 3 big I according to work
Skill needs the size with gasification furnace 5 and disposal ability to determine.As a example by the gasification furnace of the treating capacity of 1500 ton day, wherein
Core jet pipe 2 or the pipe diameter size of oblique jet pipe 3 be typically in the range of between 100mm～200mm and can meet requirement.
On the basis of above-mentioned gasification burner tip, present invention also offers corresponding gasification furnace, on the furnace wall of this gasification furnace and
/ or top be provided with the gasification burner tip according to the present invention.In present embodiment, gasification burner tip is arranged on the top of gasification furnace 5,
The inner circumferential wall preventing gasification furnace 5 receives erosion.
The architectural characteristic of the gasification burner tip according to the present invention, gasification furnace can be arranged more than one gasification burner tip.Such as Fig. 9 institute
Showing, the top of gasification furnace 5 needs to be spaced layout multiple gasification burner tips, such as 7 shown in figure according to technique, with
Time intersection's circumferentially noble gas jet pipe in the described inner side near gasification furnace furnace wall and burner seat, thus form gas
Body protective cover 4 is as circumference overcoat.The integrated layout of multiple gasification burner tips, is conducive to lowering single-nozzle load, increases
Oil (gas) filling device reliability and online rate.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned enforcement
Detail in mode, in the technology concept of the present invention, can carry out multiple letter to technical scheme
Monotropic type and improvement, such as protective cover 4 can be made up of refractory brick etc. simply, but these simple variant and improvement are all
Belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in not contradiction
In the case of, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention is to various
Possible compound mode illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
Bright thought, it should be considered as content disclosed in this invention equally.
Claims (13)
1. a gasification burner tip, it is characterised in that this gasification burner tip includes burner seat (1), core jet pipe (2) and many
The oblique jet pipe of root (3), described core jet pipe (2) penetrates this burner seat (1) from the outside vertical of described burner seat (1)
In, many described oblique jet pipes (3) are arranged symmetrically with around described core jet pipe (2) and penetrate obliquely from described outside
In described burner seat (1), described core jet pipe (2) the center stream that imports with imported by described oblique jet pipe (3)
Oblique stream can be joint (P) the place head-on collision of described burner seat (1) inner side combustion gasification, described burner seat (1)
Described inner side be also formed with around described joint (P) arrange with suppression described oblique stream impact circumferential overcoat.
Gasification burner tip the most according to claim 1, it is characterised in that described circumference overcoat sets heat-resisting material in being
The tubular protective cover (4) of material (41), the top of this protective cover (4) is connected to the medial wall (13) of described burner seat (1),
The coolant coil pipe (42) arranged continuously along this internal ring wall, this coolant dish it is embedded with on the internal ring wall of described protective cover (4)
It is coated with coolant pipe overcoat (43) outside pipe (42).
Gasification burner tip the most according to claim 2, it is characterised in that in described protective cover (4), by described
Internal ring wall around inner cavity chamber include the bottom that top is upper cone platform inner cavity chamber (A) of enlarging shape and bottom is enlarging shape
Frustum of a cone inner cavity chamber (B), described core jet pipe (2) and many oblique jet pipes (3) are all communicated to described upper cone platform
Inner cavity chamber (A), described joint (P) is positioned at described lower cone platform inner cavity chamber (B).
Gasification burner tip the most according to claim 2, it is characterised in that be provided around institute in described burner seat (1)
State first cooling chamber (11) of core jet pipe (2) and around the second cooling chamber of many described oblique jet pipes (3)
(12), this second cooling chamber (12) connects with described coolant coil pipe (42).
Gasification burner tip the most according to claim 1, it is characterised in that the medial wall (13) of described burner seat (1)
Noble gas jet pipe is set, to eject the noble gas overcoat as described circumference overcoat.
Gasification burner tip the most according to claim 5, it is characterised in that described noble gas overcoat is CO2Gas
Body overcoat.
7. according to the gasification burner tip described in any one in claim 1-6, it is characterised in that by described core jet pipe (2)
The described center stream imported is fuel stream, described oblique jet pipe (3) the described oblique stream imported is gasifying agent jet.
8. according to the gasification burner tip described in any one in claim 1-6, it is characterised in that described core jet pipe (2)
Including sheathed outer nozzle (21) and inner nozzle (22), outside the outer end of described outer nozzle (21) and inner nozzle (22)
One in end is passed through fuel, and another one is passed through gasifying agent and forms a gasifying agent jet, described outer nozzle (21) and interior
The inner penetrating described burner seat (1) of jet pipe (22) is equipped with shower nozzle；The inner shower nozzle phase of described inner nozzle (22)
Medial wall (13) for described burner seat (1) bounces back in this burner seat (1) so that described inner shower nozzle and institute
The space that inside contracts stated between medial wall (13) is formed as pre-mix zone (C)；
Wherein, described oblique jet pipe (3) the described oblique stream imported is second gasification agent jet, at described pre-mix zone
(C) in, described outer nozzle (21) or inner nozzle (22) during the gasifying agent jet imported and fuel stream are mixed into
Heart mixed flow, this center mixed flow and described second gasification agent jet come together in described joint (P) place.
Gasification burner tip the most according to claim 8, it is characterised in that the outer end of described outer nozzle (21) is provided with
Tangential inlet (23), the fluid entered by this tangential inlet (23) can be at described outer nozzle (21) and inner nozzle (22)
Between formed eddy flow.
Gasification burner tip the most according to claim 8, it is characterised in that in the outside wall surface of described inner nozzle (22)
It is provided with the guide vane (24) extended the most in the shape of a spiral, can with the fluid that guiding is entered by described outer nozzle (21)
Eddy flow is formed between described outer nozzle (21) and inner nozzle (22).
11. gasification burner tips according to claim 8, it is characterised in that outside the inner of described inner nozzle (22)
Wall is provided with multiple propeller blades (25) circumferentially, described outer nozzle (21) fluid entered is via adjacent
Any two described in clearance channel (D) between propeller blade (25) enter described pre-mix zone (C) with cyclonic form.
12. 1 kinds of gasification furnaces, it is characterised in that on the furnace wall of this gasification furnace and/or top is provided with according to claim 1-11
Gasification burner tip described in middle any one.
13. gasification furnaces according to claim 12, it is characterised in that the head clearance of described gasification furnace is disposed with
Multiple described gasification burner tips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051415.6A CN105985808B (en) | 2015-01-30 | 2015-01-30 | Gasification burner and gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510051415.6A CN105985808B (en) | 2015-01-30 | 2015-01-30 | Gasification burner and gasification furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105985808A true CN105985808A (en) | 2016-10-05 |
| CN105985808B CN105985808B (en) | 2022-12-23 |
Family
ID=57037184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510051415.6A Active CN105985808B (en) | 2015-01-30 | 2015-01-30 | Gasification burner and gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105985808B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342224A (en) * | 2017-01-25 | 2018-07-31 | 范全荣 | Burning/gasification furnace and for the/nozzle module of gasification furnace that burns |
| CN110079363A (en) * | 2019-04-04 | 2019-08-02 | 中国寰球工程有限公司 | Petroleum coke high-temperature gasification nozzle |
| CN111349468A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner, feeding device, gasification furnace and gasification system |
| CN111349469A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner, feeding device, gasification furnace and gasification system |
| CN111349470A (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 |
| CN112029541A (en) * | 2020-07-27 | 2020-12-04 | 新奥科技发展有限公司 | Hydrogenation gasification furnace |
| CN113150831A (en) * | 2021-04-19 | 2021-07-23 | 哈尔滨工业大学 | Protection device for ejector nozzle and use method |
| CN114262629A (en) * | 2021-12-16 | 2022-04-01 | 新奥科技发展有限公司 | Nozzle, combined nozzle and coal gasifier |
| CN115365022A (en) * | 2022-08-30 | 2022-11-22 | 中国人民解放军陆军装甲兵学院 | Particle jet nozzle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2688395Y (en) * | 2004-01-21 | 2005-03-30 | 中国石化集团兰州设计院 | Gas-liquid mixed phase gasifying nozzles |
| CN102031152A (en) * | 2010-10-13 | 2011-04-27 | 神华集团有限责任公司 | Process nozzle and system for gasifying water coal slurry and application thereof |
| CN202018040U (en) * | 2010-12-20 | 2011-10-26 | 西安航天远征流体控制股份有限公司 | Multi-nozzle double-row burner for heating furnace |
| CN102583243A (en) * | 2012-03-02 | 2012-07-18 | 上海锅炉厂有限公司 | Gasification burner for producing synthetic gas through gasifying fuel slurry |
| CN102659075A (en) * | 2012-05-15 | 2012-09-12 | 上海锅炉厂有限公司 | Load-controllable multichannel liquid fuel gasification burner |
| CN103608434A (en) * | 2011-05-31 | 2014-02-26 | 特拉华空气喷射火箭达因公司 | Injector mixer for a compact gasification reactor system |
| CN203545952U (en) * | 2013-10-31 | 2014-04-16 | 武汉锅炉集团超顺锅炉设备制造有限公司 | Burner cover of gasification furnace |
| CN103820162A (en) * | 2012-11-18 | 2014-05-28 | 航天长征化学工程股份有限公司 | Arrangement mode and installation device of split type burner |
| CN204434564U (en) * | 2015-01-30 | 2015-07-01 | 神华集团有限责任公司 | A kind of gasification burner tip and vapourizing furnace |
-
2015
- 2015-01-30 CN CN201510051415.6A patent/CN105985808B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2688395Y (en) * | 2004-01-21 | 2005-03-30 | 中国石化集团兰州设计院 | Gas-liquid mixed phase gasifying nozzles |
| CN102031152A (en) * | 2010-10-13 | 2011-04-27 | 神华集团有限责任公司 | Process nozzle and system for gasifying water coal slurry and application thereof |
| CN202018040U (en) * | 2010-12-20 | 2011-10-26 | 西安航天远征流体控制股份有限公司 | Multi-nozzle double-row burner for heating furnace |
| CN103608434A (en) * | 2011-05-31 | 2014-02-26 | 特拉华空气喷射火箭达因公司 | Injector mixer for a compact gasification reactor system |
| CN102583243A (en) * | 2012-03-02 | 2012-07-18 | 上海锅炉厂有限公司 | Gasification burner for producing synthetic gas through gasifying fuel slurry |
| CN102659075A (en) * | 2012-05-15 | 2012-09-12 | 上海锅炉厂有限公司 | Load-controllable multichannel liquid fuel gasification burner |
| CN103820162A (en) * | 2012-11-18 | 2014-05-28 | 航天长征化学工程股份有限公司 | Arrangement mode and installation device of split type burner |
| CN203545952U (en) * | 2013-10-31 | 2014-04-16 | 武汉锅炉集团超顺锅炉设备制造有限公司 | Burner cover of gasification furnace |
| CN204434564U (en) * | 2015-01-30 | 2015-07-01 | 神华集团有限责任公司 | A kind of gasification burner tip and vapourizing furnace |
Non-Patent Citations (1)
| Title |
|---|
| 吴德荣: "《工业炉及其节能》", 31 March 1990, 机械工业出版社 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342224A (en) * | 2017-01-25 | 2018-07-31 | 范全荣 | Burning/gasification furnace and for the/nozzle module of gasification furnace that burns |
| CN111349468B (en) * | 2018-12-24 | 2021-04-13 | 国家能源投资集团有限责任公司 | Burner, feeding device, gasification furnace and gasification system |
| CN111349468A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner, feeding device, gasification furnace and gasification system |
| CN111349469A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner, feeding device, gasification furnace and gasification system |
| CN111349470A (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 |
| CN111349469B (en) * | 2018-12-24 | 2021-04-23 | 国家能源投资集团有限责任公司 | Burner, feeding device, gasification furnace and gasification system |
| CN110079363A (en) * | 2019-04-04 | 2019-08-02 | 中国寰球工程有限公司 | Petroleum coke high-temperature gasification nozzle |
| CN110079363B (en) * | 2019-04-04 | 2024-02-20 | 中国寰球工程有限公司 | Petroleum coke high-temperature gasification nozzle |
| CN112029541A (en) * | 2020-07-27 | 2020-12-04 | 新奥科技发展有限公司 | Hydrogenation gasification furnace |
| CN113150831A (en) * | 2021-04-19 | 2021-07-23 | 哈尔滨工业大学 | Protection device for ejector nozzle and use method |
| CN113150831B (en) * | 2021-04-19 | 2022-08-26 | 哈尔滨工业大学 | Protection device for ejector nozzle and use method |
| CN114262629A (en) * | 2021-12-16 | 2022-04-01 | 新奥科技发展有限公司 | Nozzle, combined nozzle and coal gasifier |
| CN115365022A (en) * | 2022-08-30 | 2022-11-22 | 中国人民解放军陆军装甲兵学院 | Particle jet nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105985808B (en) | 2022-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105985808A (en) | Gasification nozzle and gasification furnace | |
| CN102031152B (en) | Process nozzle and system for gasifying water coal slurry and application thereof | |
| CN101446413B (en) | Combined type multi-injector burner | |
| US2806517A (en) | Oil atomizing double vortex burner | |
| CN101707893B (en) | Air heater | |
| CN209412158U (en) | A kind of burner and airflow bed gasification furnace for airflow bed gasification furnace | |
| US20130040255A1 (en) | System for gasification fuel injection | |
| CN103822207B (en) | Variable pressure and variable working condition oil burner | |
| US20080000447A1 (en) | Turbomachine combustion chamber arrangement having a collar deflector | |
| CN101918764A (en) | Impingement cooled can combustor | |
| CN201327020Y (en) | Combined multi-nozzle burner | |
| CN106524152A (en) | Graded gas low-nitrogen burner | |
| CN104718018B (en) | Plasma igniting feed nozzle | |
| CN106287814B (en) | A kind of ground gas turbine can burner of axial admission | |
| CN204434564U (en) | A kind of gasification burner tip and vapourizing furnace | |
| CN105132038A (en) | Improved water coal slurry process nozzle | |
| JP5782559B2 (en) | High performance cutting nozzle for cutting steel workpieces | |
| CN102015086A (en) | Methods and systems for feed injector multi-cooling channel | |
| CN102472485B (en) | Stabilizing the flame of a burner | |
| CN104312633B (en) | Overhead type multi nozzle of gasification furnace | |
| CN107339698B (en) | Burner | |
| CN104204155B (en) | For making the burner of solid fuel gasification | |
| CN206176457U (en) | Ground gas turbine can burner of axial admission | |
| CN104870895B (en) | The method of burning fuel and burner for burning fuel | |
| CN106433792A (en) | Gasification nozzle and gasification reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Applicant after: CHINA ENERGY INVESTMENT Corp.,Ltd. Applicant after: Beijing low carbon clean energy Research Institute Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Applicant before: SHENHUA GROUP Corp.,Ltd. Applicant before: NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGY |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |