CN205560739U - Curved form asymmetric combustor with venturi - Google Patents
Curved form asymmetric combustor with venturi Download PDFInfo
- Publication number
- CN205560739U CN205560739U CN201620218320.9U CN201620218320U CN205560739U CN 205560739 U CN205560739 U CN 205560739U CN 201620218320 U CN201620218320 U CN 201620218320U CN 205560739 U CN205560739 U CN 205560739U
- Authority
- CN
- China
- Prior art keywords
- burner
- venturi tube
- curved shape
- wall
- fuel
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a curved form asymmetric combustor with venturi, including fuel discharge subassembly, air conduit, burning wall, lighter, venturi, fuel discharge subassembly is including pointed end, fuel riser, the flame stabilization structure of discharging, the air flue that the burning wall surrounded passes the burning wall and extends, flame stabilization structure sets up the first inboard at one side of the axis of burning wall burning wall, flame stabilization structure sets up the exit end department at the burning wall, venturi sets up at the opposite side second of axis inboardly, venturi's vacuum breathing pipe extends to beyond the exit end of burning wall, still be provided with the stator in the air conduit, the high temperature leads to more NOx to generate and the big problem of equipment occupation space in having overcome current combustor heat supply furnace.
Description
Technical field
This utility model relates to technical field of burner, particularly relates to a kind of curved shape asymmetric burner with Venturi tube.
Background technology
Burner be industrial furnace combustion apparatus mainly comprise parts; the NOx that its burning produces is one of principal element causing environmental pollution; along with the pay attention to day by day of Environmental protection, the height of NOx generation amount has become one of important indicator weighing burner combustion performance.Different with burning condition according to fuel, the NOx generated in combustion is broadly divided into three kinds, i.e. fuel type NOx, thermal NO x and Quick-type NOx.The NOx generated during gas fuel combustion is mainly fuel type NOx and thermal NO x, therefore, controls NOx for burn gas fuel and generates the NOx reduction that mainly control thermal NO x and fuel type NOx generates or will generate.Temperature has decisive role to the generation of thermal NO x, different burners produces different calorific intensity distributions in combustor, different calorific intensity distributions produces different Temperature Distribution, therefore design a novel burner to make it can meet the needs of fuel fire and burning to reduce again the generation of NOx and become the key realizing low NOx drainage, eccentric asymmetric burner has certain effect to reducing NOx generation, but it is the most abundant to there is burning, combustion distribution is uneven, and equipment takes up an area the problem that space is not suitable for greatly some specific occasion.
Utility model content
One of the purpose of this utility model be for the deficiencies in the prior art in place of, overcome the too high generation causing more NOx of temperature in existing burner heat supply burner hearth, burn the most abundant, the problem that combustion distribution is uneven, there is provided one that fuel combustion can be made to control the most again temperature and reduce NOx generation, it is ensured that each zonal combustion uniformly and takes up an area the space wider array of burner of the little scope of application.
A kind of curved shape asymmetric burner with Venturi tube, discharges assembly, air line, burner wall, lighter, Venturi tube including fuel, and described fuel is discharged assembly and included discharging tip, fuel riser, flame stabilization structure；The air flue of described burner wall cincture extends through burner wall；Described flame stabilization structure is arranged on inside the first of the side burner wall of the axis of burner wall；Described flame stabilization structure is arranged at the port of export of burner wall；Described Venturi tube is arranged on inside the opposite side second of axis；The vacuum suction pipe of described Venturi tube extends to beyond the port of export of burner wall；Described air line is set to bending；Being provided with stator in described air line, stator extends to the leading edge of Venturi tube.
Preferred as one, described fuel riser is longitudinally through air flue, and one end extends to discharge tip, and the other end extends across air line.
Preferred as one, the described outlet 15 millimeters-20 millimeters discharging tip preferably more than burner wall.
Preferred as one, described fuel is discharged tip and is discharged tip for gaseous fuel discharge tip or liquid fuel, it is desirable that most advanced and sophisticated for gaseous fuel discharge.
Preferred as one, described fuel is discharged tip and is discharged most advanced and sophisticated or smooth flame discharge tip for circular flame, it is preferred that circular flame is discharged most advanced and sophisticated.
Preferred as one, described flame stabilization structure is provided with the stable cone of multiple passage, annular equally distributed passage can allow air even into.
Preferred as one, described flame stabilization structure has leading edge, and leading edge contacts with the medial wall of burner wall.
Preferred as one, a diameter of D of described air flue, a diameter of d, the 40%D ＜ d ＜ 50%D of the outlet of described flame stabilization structure, this ratio is the optimization numerical value drawn in practice.
Preferred as one, described lighter is arranged on axis and discharges the opposite side of assembly relative to fuel, and longitudinally through air flue, one end extends to the port of export, and the other end extends across air line.
Preferred as one, described burner wall is firebrick wall structure.
Preferred as one, the laminating of described Venturi tube is fixed on the medial wall of burner wall.
Preferred as another, the upstream of described stator is provided with baffle plate, for controlling the flow of the combustion air of entirety.
The beneficial effects of the utility model:
(1) this utility model provides a kind of curved shape asymmetric burner with Venturi tube, eccentric asymmetrical setting overcomes the problem of the too high generation causing more NOx of temperature in existing burner heat supply burner hearth, effectively can control temperature thus reduce the generation of NOx.
(2) this utility model provides a kind of curved shape asymmetric burner with Venturi tube, the setting of Venturi tube makes the effect of burner eccentric setting become apparent from, the most sufficiently by mixed gas transfer burning so that burning is fully and combustion distribution is uniform.
(3) this utility model provides a kind of curved shape asymmetric burner with Venturi tube, air line is designed to curved shape, the air velocity of side is more than the air velocity of opposite side, make the working effect of Venturi tube more preferably thus promote the working effect of eccentric burner more preferably, and this design reduces equipment occupation space and make equipment be applicable to some specific occasion.
(4) this utility model provides a kind of curved shape asymmetric burner with Venturi tube, the setting of stator solves the turbulent problem that air line curved design produces, and make the air velocity difference in air line become apparent from, thus further promote the effect that the low NOx of burner produces.
Accompanying drawing explanation
Technical scheme for clearer explanation this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, drawings discussed below is only embodiments more of the present utility model, from the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structure sectional view of a kind of curved shape asymmetric burner with Venturi tube.
Fig. 2 is the structure top view of a kind of curved shape asymmetric burner with Venturi tube.
Fig. 3 is the structural representation that a kind of curved shape asymmetric burner fuel with Venturi tube discharges assembly.
Fig. 4 is the venturi tube structure schematic diagram of a kind of curved shape asymmetric burner with Venturi tube.
Label declaration:
1. fuel discharges assembly, 2. air line, 3. burner wall, 4. lighter, 5. Venturi tube, 6. air flue, 7. stator, 8. baffle plate, 9.C region, 10.D region, 11. discharge tip, 12. fuel riser, 13. flame stabilization structures, 21. inwalls, 31. medial walls, 32. ports of export, 33. axis, inside 34. first, inside 35. second, 51. vacuum suction pipes, 52.a district, 53. air vents, 54. leading edges, 61. air flue a, 62. air flue b, 511. ozzles, 71. ends, 131. passages, 132. leading edges, 133. outlets.
Detailed description of the invention
Below in conjunction with the accompanying drawings the technical scheme in this utility model embodiment is clearly and completely illustrated.
Embodiment one
Fig. 1 be a kind of curved shape asymmetric burner structure sectional view schematic diagram with Venturi tube, Fig. 2 be a kind of structure top view of curved shape asymmetric burner with Venturi tube, Fig. 3 be that a kind of curved shape asymmetric burner fuel with Venturi tube discharges the structural representation of assembly, Fig. 4 is the venturi tube structure schematic diagram of a kind of curved shape asymmetric burner with Venturi tube.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of curved shape asymmetric burner with Venturi tube includes that fuel discharges assembly 1, air line 2, burner wall 3, lighter 4, Venturi tube 5, and described fuel is discharged assembly 1 and included discharging tip 11, fuel riser 12, flame stabilization structure 13；The air flue 6 of described burner wall 3 cincture extends through burner wall 3；Described flame stabilization structure 13 is arranged on inside the first of the side burner wall 3 of the axis 33 of burner wall 3 34；Described flame stabilization structure 13 is arranged at the port of export 32 of burner wall 3；Described Venturi tube 5 is arranged on inside the opposite side second of axis 33 35；The vacuum suction pipe 51 of described Venturi tube 5 extends to beyond the port of export 32 of burner wall 3；Being provided with stator 7 in described air line 2, stator 7 extends to the leading edge 54 of Venturi tube 5；Described fuel riser 12 is longitudinally through air flue 6, and one end extends to discharge most advanced and sophisticated 11, and the other end extends across air line 2；Described tip 11 of discharging is less than the port of export 32 (15-25) millimeters of burner wall 3, and preferred value is 20 millimeters；Described fuel is discharged most advanced and sophisticated 11 and is discharged tip for gaseous fuel；Described fuel is discharged most advanced and sophisticated 11 and is discharged tip for circular flame；Described flame stabilization structure 13 is provided with the stable cone of multiple passage 131, annular equally distributed passage 131 can allow air even into；Described flame stabilization structure 13 has leading edge 132, and leading edge 132 contacts with the medial wall 31 of burner wall 3；A diameter of D of described air flue 6, a diameter of d, the 40%D ＜ d ＜ 50%D of the outlet 133 of described flame stabilization structure 13, this ratio is the optimization numerical value that practice draws；Described lighter 4 is arranged on axis 33 and discharges the opposite side of assembly 1 relative to fuel, and longitudinally through air flue 6, one end extends to the port of export 32, and the other end extends across air line 2；Described burner wall 3 is firebrick wall structure；The laminating of described Venturi tube 5 is fixed on the medial wall 31 of burner wall 3；The upstream of described stator 7 is provided with baffle plate 8, for controlling the flow of the combustion air of entirety.
During work, combustion air is in the entrance air line 2 that baffle plate 8 is appropriate, air flue 6 is divided into air flue a61 and air flue b62 by stator 7, the air flowing of air flue b62 is shallower, air flow through air flue b62 enter burner wall 3 first inside 34, then the passage 131 through flame stabilization structure 13 is discharged and is discharged, with fuel, the fuel mixed combustion discharged in most advanced and sophisticated 11, the amount expecting relative fuel of air is few herein, enriched combustion region is formed in C region 9, the temperature of fuel is relatively low, unnecessary fuel mixes reduce temperature with burning inert products；The air of air flue a61 because of the factors such as centrifugal force to affect flow velocity very fast, stator 7 is increasingly closer to the inwall 21 of air line 2 at end 71, air enters Venturi tube 5, vacuum is formed in a district 52 of Venturi tube 5, vacuum suction pipe 51 has a district 52 to extend to C region 9, in low-pressure state in whole vacuum suction pipe 51, the fuel in C region and burning inert products mixed gas are drawn in Venturi tube 5 air with entrance by vacuum suction pipe 51 and are mixed to form the air vent 53 of new mixed gas flow through venturi 5 and discharge and burn in D region 10, owing to the few ignition temperature of fuel ratio will not be high.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (10)
1. the curved shape asymmetric burner with Venturi tube, discharging assembly (1), air line (2), burner wall (3), lighter (4), Venturi tube (5) including fuel, described fuel is discharged assembly (1) and is included discharging termination (11), fuel riser (12), flame stabilization structure (13)；It is characterized in that: the air flue (6) of described burner wall (3) cincture extends through burner wall (3)；Described flame stabilization structure (13) is arranged on inside the first of the side of the axis (33) of burner wall (3) (34)；Described flame stabilization structure (13) is arranged on the port of export (32) place of burner wall (3)；Described Venturi tube (5) is arranged on inside the opposite side second of axis (33) (35)；The vacuum suction pipe (51) of described Venturi tube (5) extends to beyond the port of export (32) of burner wall (3)；Described air line (2) is set to bending；Being provided with stator (7) in described air line (2), stator (7) extends to the leading edge (54) of Venturi tube (5).
A kind of curved shape asymmetric burner with Venturi tube, it is characterized in that, described fuel riser (12) longitudinally cuts across air flue (6), one end extends to discharge termination (11), and the other end extends across air line (2).
A kind of curved shape asymmetric burner with Venturi tube, it is characterised in that described discharge termination (11) is less than the port of export (32) 15 millimeters-25 millimeters of burner wall (3).
4. a kind of curved shape asymmetric burner with Venturi tube as described in claims 1 to 3 is arbitrary, it is characterised in that described fuel discharging end head (11) is that tip discharged by gaseous fuel.
A kind of curved shape asymmetric burner with Venturi tube, it is characterised in that described flame stabilization structure (13) is provided with the stable cone of multiple passage (131).
A kind of curved shape asymmetric burner with Venturi tube, it is characterized in that, described flame stabilization structure (13) has leading edge (132), and leading edge (132) contacts with the medial wall (31) of burner wall (3).
A kind of curved shape asymmetric burner with Venturi tube, it is characterized in that, a diameter of D of described air flue (6), a diameter of d, the 40%D ＜ d ＜ 50%D of the outlet (133) of described flame stabilization structure (13).
A kind of curved shape asymmetric burner with Venturi tube, it is characterized in that, described lighter (4) is arranged on axis (33) and discharges the opposite side of assembly (1) relative to fuel, longitudinally through air flue (6), one end extends to the port of export (32), and the other end extends across air line (2).
A kind of curved shape asymmetric burner with Venturi tube, it is characterised in that described Venturi tube (5) laminating is fixed on the medial wall (31) of burner wall (3).
A kind of curved shape asymmetric burner with Venturi tube, it is characterised in that the upstream of described stator (7) is provided with baffle plate (8), for controlling the flow of the combustion air of entirety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620218320.9U CN205560739U (en) | 2016-03-21 | 2016-03-21 | Curved form asymmetric combustor with venturi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620218320.9U CN205560739U (en) | 2016-03-21 | 2016-03-21 | Curved form asymmetric combustor with venturi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205560739U true CN205560739U (en) | 2016-09-07 |
Family
ID=56815033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620218320.9U Expired - Fee Related CN205560739U (en) | 2016-03-21 | 2016-03-21 | Curved form asymmetric combustor with venturi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205560739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674269A (en) * | 2016-03-21 | 2016-06-15 | 浙江尚鼎工业炉有限公司 | Bent asymmetrical burner with Venturi tube |
-
2016
- 2016-03-21 CN CN201620218320.9U patent/CN205560739U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674269A (en) * | 2016-03-21 | 2016-06-15 | 浙江尚鼎工业炉有限公司 | Bent asymmetrical burner with Venturi tube |
| CN105674269B (en) * | 2016-03-21 | 2017-12-01 | 长兴金诺机械有限公司 | A kind of curved shape asymmetric burner with Venturi tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104964282A (en) | Double-preheating environmental protection combustor for tube heating furnace and applications thereof | |
| CN104595900A (en) | Low-nitrogen-oxide gas combustor and combustion method of combustor | |
| CN204704817U (en) | A kind of low nitrogen oxide gas burner | |
| WO2020140382A1 (en) | Flow-equalization-type fire piece | |
| CN105090957A (en) | Burner and flame stabilizing pad thereof | |
| CN205560739U (en) | Curved form asymmetric combustor with venturi | |
| CN201697128U (en) | Oxygen-rich combustion device | |
| CN203517796U (en) | Oxygen-enriched combustor | |
| CN203147763U (en) | Multi-stage fuel flat wall-attached low-NOX-gas flame burner | |
| CN205560740U (en) | Low NOx asymmetric combustor with venturi | |
| CN205560733U (en) | Low NOx asymmetric combustor | |
| CN204534584U (en) | The two preheating environmental protection burner of a kind of tubular heater | |
| CN109695875A (en) | A kind of more injection tubular type fire pieces | |
| CN205556564U (en) | Living beings retort of curved form asymmetric combustor of application | |
| CN206234819U (en) | A kind of heating furnace spout device that can realize secondary mixed combustion | |
| CN201875703U (en) | Pulverized coal burner and pulverized coal boiler | |
| WO2021043241A1 (en) | Pulverized coal boiler with bottom combustor, and control method therefor | |
| CN205261541U (en) | Low NOx gas combustion ware of adjustable isolation flame | |
| CN209639002U (en) | A kind of more injection tubular type fire pieces | |
| CN105674269A (en) | Bent asymmetrical burner with Venturi tube | |
| CN105698173B (en) | A kind of low NOx asymmetrics burner with Venturi tube | |
| CN105698171B (en) | A kind of low NOx asymmetrics burner | |
| CN205576021U (en) | Living beings retort of application asymmetric combustor | |
| CN209688841U (en) | A kind of resistance to thermal evaporation preheating burner | |
| CN210662857U (en) | Combustion structure for industrial kiln |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20170321 |