CN209495327U - A kind of swirl injection burner of the oblique connection nozzle of circuit - Google Patents
A kind of swirl injection burner of the oblique connection nozzle of circuit Download PDFInfo
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- CN209495327U CN209495327U CN201920164130.7U CN201920164130U CN209495327U CN 209495327 U CN209495327 U CN 209495327U CN 201920164130 U CN201920164130 U CN 201920164130U CN 209495327 U CN209495327 U CN 209495327U
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Abstract
The utility model relates to the swirl injection burners of the oblique connection nozzle of circuit, and it is uneven effectively to solve gas mixing, burn insufficient, and heat utilization rate is low and pollution problem to environment.Burner wall internal upper part has air ring road, there is coal gas circuit in the wall of air circuit lower part, air circuit and coal gas circuit respectively with the air inlet duct on burner body outer wall, gas inlet pipeline is connected, it is provided in two rows on burner body inner wall, under the alternate two parallel air nozzles that are staggered, second air nozzle lower part has on burner body inner wall is provided with two rows of alternate two parallel gas nozzle that are staggered, the connected air pipeline tilted down in air circuit one end in burner body is connected with air nozzle, coal gas circuit one end in burner body acclivitous gas piping that is connected is connected with gas nozzle, constitute the mixed injection structure of double-cyclone.The utility model is easy to use, and effect is good, and flow field is stablized, and combustion intensity is high, energy-saving, emission-reducing, environment friendly.
Description
Technical field
The utility model relates to a kind of oblique connection nozzles of circuit of burner, especially blast furnace top combustion stove
Swirl injection burner.
Background technique
Burner is the common equipment of top combustion stove, and there are many multiplicity for existing burner, but due to existing in structure
The problem of, such as a kind of burner of the mixed swirl injection of annular of number of patent application 201620308888X, air circuit and coal gas
Circuit is in that level is connected with air nozzle, gas nozzle, and air nozzle and gas nozzle are all with always above and below
On face, therefore, when in use, eddy flow strength is weak, and gas mixing is uneven, burns insufficient, utilization rate of heat value is low, and air coefficient is inclined
Greatly, CO too high levels in exhaust gas, can neither make full use of thermal energy, and increase the pollution probability to environment, this and current section
Energy emission reduction requires to run counter to, and therefore, the improvement and innovation on burner are imperative.
Utility model content
For above situation, for the deficiency for overcoming the prior art, it is oblique that the purpose of the utility model is just to provide a kind of circuit
To the swirl injection burner of connection nozzle, it is uneven effectively to solve gas mixing, burns insufficient, heat utilization rate it is low with
And the pollution problem to environment.
The technical solution that the utility model solves is a kind of swirl injection burner of the oblique connection nozzle of circuit, including
Burner body, air inlet duct, gas inlet pipeline, air circuit and coal gas circuit, burner body are by inner wall and interior
The cavity that insulating layer outside wall is constituted is round, and wall internal upper part has air ring road, has in the wall of air circuit lower part and sky
Compression ring road is alternate to be opened and coal gas circuit of the center on same anchor ring, air circuit and the air on burner body outer wall into
Mouth pipeline is connected, coal gas circuit and the gas inlet pipeline phase on burner body outer wall below ipsilateral air inlet duct
Connection, is provided with two rows of upper and lower alternate be staggered the first parallel air nozzles, the second air nozzle on burner body inner wall, and second
Air nozzle lower part has on burner body inner wall is provided with two rows of alternate the first parallel gas nozzle that are staggered, the spray of the second coal gas
Mouth, connected the first air pipeline tilted down in air circuit one end in burner body is connected with the first air nozzle, empty
Connected the second air pipeline tilted down in compression ring road one end in burner body is connected with the second air nozzle, coal gas circuit
One end acclivitous first gas piping that is connected is connected with the first gas nozzle in burner body, and coal gas circuit is through burning
One end acclivitous second gas piping that is connected is connected with the second gas nozzle in body, constitutes the mixed injection knot of double-cyclone
Structure.
The utility model structure is simple, novel and unique, construction easy to produce, easy to use, and effect is good, and flow field is stablized, burning
Intensity is high, effectively overcomes gas mixing unevenness, burns insufficient, and utilization rate of heat value is low, and CO content is high in exhaust gas, makes to environment
At pollution problem, be truly realized energy-saving, emission-reducing, environment friendly, there is good economic and social benefit.
Detailed description of the invention
Fig. 1 is the structural profile main view of the utility model.
Fig. 2 is the coal gas circuit position cross-sectional plan view of the utility model.
Fig. 3 is the air circuit position cross-sectional plan view of the utility model.
Specific embodiment
It elaborates below in conjunction with attached drawing to specific embodiment of the present utility model.
As shown in Fig. 1-3, a kind of swirl injection burner of the oblique connection nozzle of circuit of the utility model, including burner
Body, air inlet duct, gas inlet pipeline, air circuit and coal gas circuit, burner body be by inner wall 8 and inner wall outside
The cavity that constitutes of insulating layer 1 it is round, wall internal upper part has air ring road 6, has in the wall of 6 lower part of air circuit and air ring
Road is alternate to open simultaneously coal gas circuit 5 of the center on same anchor ring, air circuit 6 and the air intlet on burner body outer wall
Pipeline 2 is connected, coal gas circuit 5 and the gas inlet pipeline 4 below ipsilateral air inlet duct on burner body outer wall
It is connected, two rows of upper and lower alternate the first parallel air nozzle 3-1, the second air nozzle of being staggered is provided on burner body inner wall
3-2, the second lower part air nozzle 3-2 has on burner body inner wall is provided with two rows of alternate the first parallel gas nozzle 5- that are staggered
1, the second gas nozzle 5-2, the one end in burner body of air circuit 6 are connected the first air pipeline 7-1 for tilting down and the
One air nozzle 3-1 is connected, the one end in burner body of air circuit 6 be connected the second air pipeline 7-2 for tilting down with
Second air nozzle 3-2 is connected, and the one end in burner body of coal gas circuit 5 is connected acclivitous first gas piping 8-1
It is connected with the first gas nozzle 5-1, the one end in burner body of coal gas circuit 5 is connected acclivitous second gas piping 8-
2 are connected with the second gas nozzle 5-2, constitute the mixed injection structure of double-cyclone.
In order to guarantee using effect and easy to use, the first air nozzle 3-1 is by several phases on same anchor ring
Between the air nozzle opened constitute, the second air nozzle 3-2 is made of several air nozzles opened alternate on same anchor ring, first
Air nozzle 3-1, the second air nozzle 3-2 are upper and lower alternate and are alternately arranged and are arranged on burner body inner wall.
The first gas nozzle 5-1 is made of several gas nozzle opened alternate on same anchor ring, the second coal gas
Nozzle 5-2 is made of several gas nozzle opened alternate on same anchor ring, the first gas nozzle 5-1, the second gas nozzle 5-2
It is upper and lower alternate and be alternately arranged and be arranged on burner body inner wall.
The first air nozzle 3-1 is corresponding with the first gas nozzle 5-1 or more, the second air nozzle 3-2 and second
Gas nozzle 5-2 or more is corresponding.
First air nozzle 3-1, the second air nozzle 3-2, the first gas nozzle 5-1 and the second gas nozzle 5-
2 ejiction opening is upper and lower rectangular.
First air pipeline 7-1, the second air pipeline 7-2 be one end be connected with air circuit 6, the other end
It tilts down, is connected respectively with the first air nozzle 3-1, the second air nozzle 3-2.
First gas piping 8-1, the second gas piping 8-2 be one end be connected with coal gas circuit 5, the other end
Inclination upwards, is connected with the first gas nozzle 5-1, the second gas nozzle 5-2 respectively.
When the utility model is used, original burner is substituted with the utility model burner, burner top is mounted in arch
The lower part of shape furnace roof 10, arch furnace roof inner face constitute combustion chamber 11, and burner body lower part is mounted in furnace body 9 through sliding labyrinth connection 12
Top, other structures are the same as original similar hot-blast stove.
The working condition of the utility model is that innovation is that the improvement to burner in structure, and coal gas is sprayed
Mouth is arranged on burner body in the form of 3 rows, and gas nozzle is connected through coal gas tilted tube with coal gas circuit, air nozzle warp
Air tilted tube is connected with air circuit, and the main purpose being arranged in this way is gas port and the same burner body of air port
Center line and horizontal direction have certain upward inclination angle, but be directed to the center of burner, simultaneously shape mix with air jet
At a kind of flow field structure, i.e., into the precombustion chamber above combustion chamber after rotation downwards, then rotate downwards, between there are strong heat
Amount and mass exchange, form the great flow regime of turbulence intensity.Such flow field structure is conducive to air and coal gas
It is sufficiently mixed, preheats kindling, and flameholding, greatly improve combustion intensity, since gas nozzle and air nozzle are equal
Even layering is alternate to be staggeredly arranged on the ring section on respective channel mutually, considerably increases the mixing machine of coal gas and air
Rate shortens the mixing time used, is advantageously implemented air and the full and uniform mixing of coal gas；Above and below swirling eddy
Eddy flow mixing, flame stabilization and high-intensity combustion has been effectively ensured in reciprocation；Flue gas after full combustion is downwardly into accumulation of heat
Room will not be less prone to above-mentioned phenomenon on heat storage there is a phenomenon where burning at high load conditions；Burning is filled
Divide the content for directly reducing the CO in exhaust gas.And through site test and test, flame stabilization, utilization rate of heat value is high, can be improved
Utilization rate 12% or so, CO discharge amount reduce 50% or so, are to be truly realized energy-saving, emission-reducing, environment friendly, there is significant economy and society
It can benefit.
Claims (7)
1. a kind of swirl injection burner of the oblique connection nozzle of circuit, including burner body, air inlet duct, gas inlet
Pipeline, air circuit and coal gas circuit, which is characterized in that burner body is by the insulating layer (1) outside inner wall (8) and inner wall
The cavity of composition is round, and wall internal upper part has air ring road (6), has in the wall of air circuit (6) lower part and air circuit phase
Between open and coal gas circuit (5) of the center on same anchor ring, air circuit (6) and the air intlet on burner body outer wall
Pipeline (2) is connected, coal gas circuit (5) and the gas inlet pipe below ipsilateral air inlet duct on burner body outer wall
Road (4) is connected, and two rows of upper and lower alternate the first air nozzles (3-1) for being staggered parallel, the second sky are provided on burner body inner wall
Gas jets (3-2), the second air nozzle lower part (3-2) has on burner body inner wall is provided with two rows of alternate parallel first that are staggered
Gas nozzle (5-1), the second gas nozzle (5-2), connected first tilted down in air circuit (6) one end in burner body
Air pipeline (7-1) is connected with the first air nozzle (3-1), and air circuit (6) one end in burner body, which is connected, to dip down
Oblique the second air pipeline (7-2) is connected with the second air nozzle (3-2), coal gas circuit (5) one end phase in burner body
Even acclivitous first gas piping (8-1) is connected with the first gas nozzle (5-1), and coal gas circuit (5) is through burner body
Interior one end acclivitous second gas piping (8-2) that is connected is connected with the second gas nozzle (5-2), and it is mixed to constitute double-cyclone
Injection structure.
2. the swirl injection burner of the oblique connection nozzle of circuit according to claim 1, which is characterized in that described the
One air nozzle (3-1) is made of several air nozzles opened alternate on same anchor ring, and the second air nozzle (3-2) is by several
The alternate air nozzle opened is constituted on same anchor ring, and the first air nozzle (3-1), the second air nozzle (3-2) are upper and lower alternate
And it is alternately arranged and is arranged on burner body inner wall.
3. the swirl injection burner of the oblique connection nozzle of circuit according to claim 1, which is characterized in that described the
One gas nozzle (5-1) is made of several gas nozzle opened alternate on same anchor ring, and the second gas nozzle (5-2) is by several
The alternate gas nozzle opened is constituted on same anchor ring, and the first gas nozzle (5-1), the second gas nozzle (5-2) are upper and lower alternate
And it is alternately arranged and is arranged on burner body inner wall.
4. the swirl injection burner of the oblique connection nozzle of circuit according to claim 1, which is characterized in that described the
One air nozzle (3-1) and the first gas nozzle (5-1) are corresponding up and down, the second air nozzle (3-2) and the second gas nozzle (5-
2) it corresponds to up and down.
5. the swirl injection burner of the oblique connection nozzle of circuit according to claim 1, which is characterized in that described the
The ejection of one air nozzle (3-1), the second air nozzle (3-2), the first gas nozzle (5-1) and the second gas nozzle (5-2)
It mouthful is upper and lower rectangular.
6. the swirl injection burner of the oblique connection nozzle of circuit according to claim 1, which is characterized in that described the
One air pipeline (7-1), the second air pipeline (7-2) are that one end is connected with air circuit (6), the other end tilts down,
It is connected respectively with the first air nozzle (3-1), the second air nozzle (3-2).
7. the swirl injection burner of the oblique connection nozzle of circuit according to claim 1, which is characterized in that described the
One gas piping (8-1), the second gas piping (8-2) are that one end is connected with coal gas circuit (5), the other end tilts upwards,
It is connected respectively with the first gas nozzle (5-1), the second gas nozzle (5-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164130.7U CN209495327U (en) | 2019-01-30 | 2019-01-30 | A kind of swirl injection burner of the oblique connection nozzle of circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164130.7U CN209495327U (en) | 2019-01-30 | 2019-01-30 | A kind of swirl injection burner of the oblique connection nozzle of circuit |
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| Publication Number | Publication Date |
|---|---|
| CN209495327U true CN209495327U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920164130.7U Active CN209495327U (en) | 2019-01-30 | 2019-01-30 | A kind of swirl injection burner of the oblique connection nozzle of circuit |
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| CN (1) | CN209495327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925792A (en) * | 2019-11-06 | 2020-03-27 | 西北工业大学 | Fuel oil main pipe with layered centrifugal nozzles |
-
2019
- 2019-01-30 CN CN201920164130.7U patent/CN209495327U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925792A (en) * | 2019-11-06 | 2020-03-27 | 西北工业大学 | Fuel oil main pipe with layered centrifugal nozzles |
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