CN209495330U - A kind of top combustion stove swirl injection burner of double air intakes - Google Patents
A kind of top combustion stove swirl injection burner of double air intakes Download PDFInfo
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- CN209495330U CN209495330U CN201920164161.2U CN201920164161U CN209495330U CN 209495330 U CN209495330 U CN 209495330U CN 201920164161 U CN201920164161 U CN 201920164161U CN 209495330 U CN209495330 U CN 209495330U
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Abstract
The utility model relates to the top combustion stove swirl injection burner of double air intakes, it is uneven effectively to solve gas mixing, burns insufficient, and heat utilization rate is low and pollution problem to environment.Furnace body is made of the wall of external protection and external protection inner face, there is coal gas circuit at middle part in wall, there are the first air circuit on top and the second air circuit of lower part in the wall of coal gas circuit upper and lower respectively, it is sequentially arranged with the first air inlet duct from top to bottom on one side vertical wall of furnace body, gas inlet pipeline, second air inlet duct, first air inlet duct is vertically connected logical with the first air circuit, gas inlet pipeline is vertically connected logical with coal gas circuit, second air inlet duct is vertically connected logical with the second air circuit, constitute double inlet structures, the utility model structure novel is unique, it is easy to produce, it is easy to install and use, effect is good, hot-blast stove air-flow is uniformly mixed, stablize in flow field, heat utilization rate is high, greatly reduce pollution of the hot-blast stove to environment.
Description
Technical field
The utility model relates to burner, the top combustion stove swirl injection of especially a kind of double air intakes burns
Device.
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, there are still such or such problem, the especially now widely used top ignition heat with precombustion chamber in use
Wind furnace, since the coal gas and air nozzle of burner are arranged on different sections, and air intlet only one, high speed transport
Dynamic air-flow prevent radially into air from penetrating into well, which results in coal gas and air to mix not in the initial stage
Uniformly, it burns insufficient, air coefficient is bigger than normal, and CO too high levels in exhaust gas can neither make full use of thermal energy, and increase to ring
The pollution probability in border, this is runed counter to current energy-saving and emission-reduction requirement, and therefore, the improvement and innovation on burner are imperative.
Utility model content
For above situation, for the deficiency for overcoming the prior art, the purpose of the utility model is just to provide a kind of double air
The top combustion stove swirl injection burner of entrance, it is uneven effectively to solve gas mixing, and burn insufficient, heat energy utilization
Rate is low and pollution problem to environment.
The technical solution that the utility model solves is a kind of top combustion stove swirl injection burning of double air intakes
Device, including furnace body, air circuit, coal gas circuit, air intake and gas entry, furnace body are by external protection and external protection
The wall in face is constituted, and there is coal gas circuit at middle part in wall, there is first air on top in the wall of coal gas circuit upper and lower respectively
Second air circuit of circuit and lower part is sequentially arranged with the first air inlet duct, coal on one side vertical wall of furnace body from top to bottom
Gas inlet pipe road, the second air inlet duct, the first air inlet duct are vertically connected logical, gas inlet with the first air circuit
Pipeline is vertically connected logical with coal gas circuit, and the second air inlet duct is vertically connected logical with the second air circuit, constitutes double air inlets
Mouth structure, middle part successively opens the first air port (mouth, the same below), the spray of the second air from top to down on the wall inner face
Mouthful, the first gas port (mouth, the same below), the second gas port, be provided with third gas port, third coal in wall lower inner wall
Be provided with third air port below gas blowout mouth on the inner wall of wall, the first air circuit through the oblique jet pipe of wall intracorporal first with
First air port is connected, and the first air circuit is connected through the oblique jet pipe of wall intracorporal second with the second air port, the
Two air circuits are connected through the oblique jet pipe of the intracorporal third of wall with third air port；The coal gas circuit top is through wall
The interior oblique jet pipe of first coal gas is connected with the first gas port, in the middle part of coal gas circuit in wall the oblique jet pipe of the second coal gas with
Second gas port is connected, and coal gas circuit lower part is connected through the intracorporal double oblique jet pipes of third coal gas of wall with third gas port
It is logical, constitute double-cyclone injection structure.
The utility model structure novel is unique, and easy to produce, easy to install and use, effect is good, and hot-blast stove air-flow is uniformly mixed,
Flow field is stablized, and heat utilization rate is high, greatly reduces pollution of the hot-blast stove to environment, there is significant 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 first air circuit position cross-sectional plan view of the utility model.
Fig. 3 is the coal gas 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 top combustion stove swirl injection burner of double air intakes of the utility model, including
Burner body, air circuit, coal gas circuit, air intake and gas entry, burner body are by external protection 1 and external protection
The wall 8 of inner face is constituted, and there is coal gas circuit 5 at middle part in wall 8, has the first of top respectively in the wall of coal gas circuit upper and lower
Second air circuit 2 of air circuit 12 and lower part is sequentially arranged with the first air on one side vertical wall of burner body from top to bottom
Inlet pipeline 2-1, gas inlet pipeline 4, the second air inlet duct 2-2, the first air inlet duct 2-1 and the first air ring
Road 12 is vertically connected logical, and gas inlet pipeline 4 is vertically connected logical with coal gas circuit 5, and the second air inlet duct 2-2 and second is empty
Compression ring road 2 is vertically connected logical, the double inlet structures of composition, and middle part successively opens first from top to down on 8 inner face of wall
Air port (mouth, the same below) 3-1, the second air port 3-2, the first gas port (mouth, the same below) 6-1, the spray of the second coal gas
Mouthful 6-2 is provided with third gas port 6-3 in wall lower inner wall, is provided on the inner wall of wall below third gas port 6-3
Third air port 3-3, the first air circuit 12 are connected through the oblique jet pipe 7-1 of wall intracorporal first with the first air port 3-1
Logical, the first air circuit 12 is connected through the oblique jet pipe 7-2 of wall intracorporal second with the second air port 3-2, the second air ring
Road 2 is connected through the oblique jet pipe 7-3 of third in wall 8 with third air port 3-3；5 top of coal gas circuit is through wall
The internal oblique jet pipe 9-1 of first coal gas is connected with the first gas port 6-1,5 middle part second coal gas in wall of coal gas circuit
Oblique jet pipe 9-2 is connected with the second gas port 6-2, and 5 lower part of coal gas circuit is through the intracorporal double oblique jet pipes of third coal gas of wall
9-3 is connected with third gas port 6-3, constitutes double-cyclone injection structure.
In order to guarantee using effect and the first air port 3-1, the second air port 3-2 or more easy to use, described
It is alternately arranged uniformly distributed arrangement；
First gas port 6-1, the second gas port 6-2 is staggered uniformly distributed arrangement alternatively up and down；
The first air port 3-1 and the first gas port 6-1 on same face directly, the second air port 3-2 and
Second gas port 6-2 is on same face directly；
The oblique jet pipe 7-1 of described first, the second oblique jet pipe 7-2 are tilted down from 12 end of the first air circuit, point
It is not connected with the first air port 3-1, the second air port 3-2；
The oblique jet pipe 9-1 of first coal gas, the oblique jet pipe 9-2 of the second coal gas are tilted from 5 end of coal gas circuit upwards,
It is connected respectively with the first gas port 6-1, the second gas port 6-2；
The oblique jet pipe 9-3 of the third coal gas is tilted down and third gas port 6-3 phase from one end of coal gas circuit 5
Connection；
The oblique jet pipe 7-3 of the third is tilted and third air port 3-3 phase upwards from one end of the second air circuit 2
Connection, third gas port 6-3, third air port 3-3 or more are corresponding uniformly distributed arranged in parallel.
When the utility model is used, instead of the original burner of hot-blast stove, i.e., mounted in the furnace roof 10 on top and the furnace of lower part
Between body 13,10 lower part of furnace roof constitutes combustion chamber 11.
The working condition of the utility model is that the innovation of the utility model is that it can be seen from above structure
It is improvement and innovation on original top burning type hot blast stove combustor, by gas nozzle with 3 to improvement of the burner in structure
Row's form is arranged on burner body, and gas nozzle is connected with slanting gas-jet tube with coal gas circuit respectively up and down
And it obliquely sprays；Air port is arranged in above and below gas nozzle in 3 form, and is obliquely sprayed, this
The main purpose of sample setting be gas port and air port with burner body center line and horizontal direction have it is certain upward
Or downward inclination angle, but it is directed to the center of burner, the coal gas jet stream tilted upward in this way just mixes simultaneously shape with air jet
At a kind of flow field structure, i.e., into the precombustion chamber above combustion chamber after rotation upwards, 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 layered arrangement considerably increases the mixing probability of coal gas and air, shortens mixing on the ring section on respective channel
Time used is advantageously implemented air and the full and uniform mixing of coal gas；Since the upper-lower interactive of swirling eddy acts on, effectively
It ensure that eddy flow mixing, flame stabilization and high-intensity combustion；Flue gas after full combustion is downwardly into regenerative chamber, will not be in accumulation of heat
There is a phenomenon where burning on body, above-mentioned phenomenon is less prone at high load conditions；The abundant of burning directly reduces
The content of CO in exhaust gas.And through site test and test, flame stabilization, utilization rate of heat value is high, and utilization rate 15-20% can be improved,
CO discharge amount reduces 80% or more, is to be truly realized energy-saving, emission-reducing, environment friendly, there is significant economic and social benefit.
Claims (8)
1. a kind of top combustion stove swirl injection burner of double air intakes, including burner body, air circuit, coal gas ring
Road, air intake and gas entry, which is characterized in that burner body is by the wall of external protection (1) and external protection inner face
(8) it constitutes, there is coal gas circuit (5) middle part in wall (8), there is first air on top in the wall of coal gas circuit upper and lower respectively
Second air circuit (2) of circuit (12) and lower part is sequentially arranged with the first air on one side vertical wall of burner body from top to bottom
Inlet pipeline (2-1), gas inlet pipeline (4), the second air inlet duct (2-2), the first air inlet duct (2-1) and the
One air circuit (12) is vertically connected logical, and gas inlet pipeline (4) is vertically connected logical, the second air intlet with coal gas circuit (5)
Pipeline (2-2) is vertically connected logical, the double inlet structures of composition, middle part on the wall (8) inner face with the second air circuit (2)
The first air port (3-1), the second air port (3-2), the first gas port (6-1), the second coal are successively opened from top to down
Gas blowout mouth (6-2) is provided with third gas port (6-3) in wall lower inner wall, in wall below third gas port (6-3)
It is provided on inner wall third air port (3-3), the first air circuit (12) is through the oblique jet pipe (7-1) of wall intracorporal first and first
Air port (3-1) is connected, and the first air circuit (12) is through the oblique jet pipe (7-2) of wall intracorporal second and the second air port
(3-2) is connected, and the second air circuit (2) is through the oblique jet pipe of third (7-3) and third air port (3-3) in wall (8)
It is connected；Coal gas circuit (5) the top oblique jet pipe of the first coal gas (9-1) and the first gas port (6-1) in wall
It is connected, the oblique jet pipe of the second coal gas (9-2) is connected with the second gas port (6-2) in wall in the middle part of coal gas circuit (5),
Coal gas circuit (5) lower part is connected through the intracorporal double oblique jet pipes of third coal gas (9-3) of wall with third gas port (6-3), structure
Swirl injection structure in pairs.
2. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The first air port (3-1), the second air port (3-2) stated are staggered uniformly distributed arrangement alternatively up and down.
3. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The first gas port (6-1), the second gas port (6-2) stated are staggered uniformly distributed arrangement alternatively up and down.
4. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The first air port (3-1) and the first gas port (6-1) stated are on same face directly, the second air port (3-2) and second
Gas port (6-2) is on same face directly.
5. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The oblique jet pipe of first stated (7-1), the second oblique jet pipe (7-2) from the first air circuit (12) end tilt down, respectively with
First air port (3-1), the second air port (3-2) are connected.
6. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The oblique jet pipe of the first coal gas (9-1), the oblique jet pipe of the second coal gas (9-2) stated hold inclination upwards from coal gas circuit (5), respectively
It is connected with the first gas port (6-1), the second gas port (6-2).
7. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The oblique jet pipe of third coal gas (9-3) stated is tilted down from one end of coal gas circuit (5) to be connected with third gas port (6-3)
It is logical.
8. the top combustion stove swirl injection burner of double air intakes according to claim 1, which is characterized in that institute
The oblique jet pipe of the third stated (7-3) tilts upwards from one end of the second air circuit (2) to be connected with third air port (3-3)
Logical, third gas port (6-3), third air port (3-3) are corresponding uniformly distributed arranged in parallel up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164161.2U CN209495330U (en) | 2019-01-30 | 2019-01-30 | A kind of top combustion stove swirl injection burner of double air intakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164161.2U CN209495330U (en) | 2019-01-30 | 2019-01-30 | A kind of top combustion stove swirl injection burner of double air intakes |
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| Publication Number | Publication Date |
|---|---|
| CN209495330U true CN209495330U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920164161.2U Active CN209495330U (en) | 2019-01-30 | 2019-01-30 | A kind of top combustion stove swirl injection burner of double air intakes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209495330U (en) |
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2019
- 2019-01-30 CN CN201920164161.2U patent/CN209495330U/en active Active
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