CN103335309B - Flame spray nozzle for waste oil burner of high-temperature furnace - Google Patents
Flame spray nozzle for waste oil burner of high-temperature furnace Download PDFInfo
- Publication number
- CN103335309B CN103335309B CN201310249212.9A CN201310249212A CN103335309B CN 103335309 B CN103335309 B CN 103335309B CN 201310249212 A CN201310249212 A CN 201310249212A CN 103335309 B CN103335309 B CN 103335309B
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- China
- Prior art keywords
- nozzle
- baffle
- cavity
- hole
- nozzle body
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- Expired - Fee Related
Links
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- 239000007921 spray Substances 0.000 title claims abstract description 15
- 239000000446 fuel Substances 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 28
- 238000010586 diagram Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
Landscapes
- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
The present invention is specially a kind of flame spray nozzle for waste oil burner of high-temperature furnace, solves the problem that general bocca can not be used for the waste oil burner of high temperature kiln.Flame spray nozzle for waste oil burner of high-temperature furnace, comprise nozzle body, begin to speak body respectively in nozzle body front-end and back-end, the gas port be communicated with the cavity of nozzle body front end is had in nozzle body, nozzle body surface has the air inlet be communicated with gas port, nozzle body front end has been threaded connection nozzle head, is provided with front baffle, rear baffle and nozzle core from front to back successively in nozzle head.The present invention is rational in infrastructure, conveying oil circuit and conveying gas circuit coordinate ingenious, makes the efficiency of combustion of nozzle higher, ignition temperature is high, can continuous operation, long service life, sufficient combustion is fuel-efficient, cost is low.
Description
Technical field
The present invention relates to the bocca of burner, be specially a kind of flame spray nozzle for waste oil burner of high-temperature furnace.
Background technology
Burner is a kind of by fuel and air, sends into burner hearth by required concentration, speed, turbulivity and hybrid mode, and makes fuel can the device of stable ignition and burning in burner hearth.Oil burner and gas burner can be divided into according to fuel.Oil burner mainly takes atomization technique, and fuel oil and atomizing medium fully mix rear ejection, light.The bocca that existing burner uses due to flame temperature not high enough and be not suitable for high temperature kiln, especially in tunnel cave.And utilize the burner of waste oil, its bocca can not be mixed with common bocca.
Summary of the invention
The present invention can not be used for the problem of the waste oil burner of high temperature kiln in order to solve general bocca, provide a kind of flame spray nozzle for waste oil burner of high-temperature furnace.
The present invention adopts following technical scheme to realize: flame spray nozzle for waste oil burner of high-temperature furnace, comprise the nozzle body of column, nozzle body inner chamber is divided into the ladder cavity of front end and the rear chamber of rear end by the partition of inside, ladder cavity comprises the large cavity of front end and the little cavity of rear end, nozzle body sidewall has the air inlet be communicated with little cavity, the cascaded surface of large cavity rear end has the some little fuel feed hole be communicated with rear chamber, nozzle body front end is connected with nozzle head, nozzle head front end is the cone that inside has cavity, nozzle head rear end is the cylinder that inside has through hole, nozzle head back end cylindrical outside is provided with large cavity medial surface the screw thread matched, the cavity of nozzle head inside is provided with front baffle from front to back successively, rear baffle and nozzle core, front baffle front end is stuck in the spray orifice of nozzle head front end, through hole is had in front baffle, front baffle rear end face is inner conical surface, rear baffle front end is provided with the male cone (strobilus masculinus) matched with the inner conical surface of front baffle, rear baffle inside has through hole, rear baffle outer surface and male cone (strobilus masculinus) have the spiral oil guide groove that the degree of depth is greater than front baffle outer wall thickness, rear baffle rear end is provided with projection, nozzle core is the diameter of axle three grades of stepped cylindrical structures of successively decreasing from front to back, and three grades of stepped cylindrical front ends are provided with connection, nozzle core inside has through hole, the connection of nozzle core is enclosed within the projection of rear baffle rear end, the front end stepped cylindrical outer surface of nozzle core is provided with the through hole in nozzle head back end cylindrical body the screw thread matched, nozzle core rear end stepped cylindrical end to snap in little cavity and utilizes sealing ring to seal, nozzle core front end stepped cylindrical and middle ladder cylindrical outer surface is uniform has fan-shaped oil guide groove.
During use, flame spray nozzle for waste oil burner of high-temperature furnace is arranged on waste oil burner and uses.Air inlet taps into air pipe, and nozzle body rear end taps into oil pipe line.Gas as atomizing medium by air inlet through the through hole in ladder cavity, nozzle core, after through hole in baffle, front baffle through hole until the head of nozzle head sprays; Simultaneously waste oil by rear chamber in the large cavity that fuel feed hole flows into ladder cavity, in the oil guide groove of nozzle core flow nozzle head front end cavity in, flow through the through hole of front baffle again through the spiral oil guide groove screw press conveying of baffle later, spray with the head of gas and vapor permeation through nozzle head; Rear baffle front end is provided with the male cone (strobilus masculinus) matched with the inner conical surface of front baffle, rear baffle outer surface and male cone (strobilus masculinus) and has structure that the degree of depth is greater than the spiral oil guide groove of front baffle outer wall thickness and the fuel feed hole of nozzle body and achieve waste oil and gas and separate in nozzle body and carry and mix in the cavity of nozzle head front end, achieve pressurization and the atomization of waste oil and gas, efficiency of combustion is higher.
Beneficial effect of the present invention is as follows: utilize the nozzle body of particular design, nozzle head, nozzle core and inner after the structure of baffle and front baffle, pressurizing atomizing when achieving waste oil and gas ejection.The present invention is rational in infrastructure, conveying oil circuit and conveying gas circuit coordinate ingenious, makes the efficiency of combustion of nozzle higher, ignition temperature is high, can continuous operation, long service life, sufficient combustion is fuel-efficient, cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the left TV structure schematic diagram of nozzle body;
Fig. 3 is the right TV structure schematic diagram of nozzle core;
Fig. 4 is the right TV structure schematic diagram of rear baffle.
In figure: 1-nozzle body, 2-nozzle head, 3-nozzle core, baffle after 4-, baffle before 5-, 11-air inlet, 12-ladder cavity, 121-large cavity, the little cavity of 122-, 123-cascaded surface, 13-fuel feed hole, 14-rear chamber, 31-oil guide groove, 32-sealing ring, 41-spiral oil guide groove.
Detailed description of the invention
Flame spray nozzle for waste oil burner of high-temperature furnace, comprise the nozzle body 1 of column, nozzle body 1 inner chamber is divided into the ladder cavity 12 of front end and the rear chamber 14 of rear end by the partition of inside, ladder cavity 12 comprises the large cavity 121 of front end and the little cavity 122 of rear end, nozzle body 1 sidewall has the air inlet 11 be communicated with little cavity, the cascaded surface 123 of large cavity rear end has the some little fuel feed hole 13 be communicated with rear chamber 14, nozzle body 1 front end is connected with nozzle head 2, nozzle head 2 front end is the cone that inside has cavity, nozzle head 2 rear end is the cylinder that inside has through hole, nozzle head 2 back end cylindrical outside is provided with large cavity 121 medial surface the screw thread matched, the cavity of nozzle head 2 inside is provided with front baffle 5 from front to back successively, rear baffle 4 and nozzle core 3, front baffle 5 front end is stuck in the spray orifice of nozzle head 2 front end, through hole is had in front baffle 5, front baffle 5 rear end face is inner conical surface, rear baffle 4 front end is provided with the male cone (strobilus masculinus) matched with the inner conical surface of front baffle 5, rear baffle 4 inside has through hole, rear baffle 4 outer surface and male cone (strobilus masculinus) have the spiral oil guide groove 41 that the degree of depth is greater than front baffle 5 outer wall thickness, rear baffle 4 rear end is provided with projection, nozzle core 3 is the diameter of axle three grades of stepped cylindrical structures of successively decreasing from front to back, and three grades of stepped cylindrical front ends are provided with connection, nozzle core 3 inside has through hole, the connection of nozzle core 3 is enclosed within the projection of rear baffle 4 rear end, the front end stepped cylindrical outer surface of nozzle core 3 is provided with the through hole in nozzle head 2 back end cylindrical body the screw thread matched, nozzle core 3 rear end stepped cylindrical end to snap in little cavity 122 and utilizes sealing ring 32 to seal, nozzle core 3 front end stepped cylindrical and middle ladder cylindrical outer surface is uniform has fan-shaped oil guide groove 31.
In specific implementation process, the quantity of fuel feed hole 13 is four.The quantity of the oil guide groove 31 of nozzle core 3 outer surface four.Rear baffle 4 outer surface flies the quantity six of spiral oil guide groove 41.
Claims (1)
1. a flame spray nozzle for waste oil burner of high-temperature furnace, it is characterized in that: the nozzle body (1) comprising column, nozzle body (1) inner chamber is divided into the ladder cavity (12) of front end and the rear chamber (14) of rear end by the partition of inside, ladder cavity (12) comprises the large cavity (121) of front end and the little cavity (122) of rear end, nozzle body (1) sidewall has the air inlet (11) be communicated with little cavity, the cascaded surface (123) of large cavity rear end has the some little fuel feed hole (13) be communicated with rear chamber (14), nozzle body (1) front end is connected with nozzle head (2), nozzle head (2) front end is the cone that inside has cavity, nozzle head (2) rear end is the cylinder that inside has through hole, nozzle head (2) back end cylindrical outside is provided with large cavity (121) medial surface the screw thread matched, the cavity of nozzle head (2) inside is provided with front baffle (5) from front to back successively, rear baffle (4) and nozzle core (3), front baffle (5) front end is stuck in the spray orifice of nozzle head (2) front end, front baffle has through hole in (5), front baffle (5) rear end face is inner conical surface, rear baffle (4) front end is provided with the male cone (strobilus masculinus) matched with the inner conical surface of front baffle (5), rear baffle (4) inside has through hole, rear baffle (4) outer surface and male cone (strobilus masculinus) have the spiral oil guide groove (41) that the degree of depth is greater than front baffle (5) outer wall thickness, rear baffle (4) rear end is provided with projection, nozzle core (3) is the diameter of axle three grades of stepped cylindrical structures of successively decreasing from front to back, and three grades of stepped cylindrical front ends are provided with connection, nozzle core (3) inside has through hole, the connection of nozzle core (3) is enclosed within the projection of rear baffle (4) rear end, the front end stepped cylindrical outer surface of nozzle core (3) is provided with the through hole in nozzle head (2) back end cylindrical body the screw thread matched, nozzle core (3) rear end stepped cylindrical end to snap in little cavity (122) and utilizes sealing ring (32) to seal, nozzle core (3) front end stepped cylindrical and middle ladder cylindrical outer surface is uniform has fan-shaped oil guide groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249212.9A CN103335309B (en) | 2013-06-21 | 2013-06-21 | Flame spray nozzle for waste oil burner of high-temperature furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310249212.9A CN103335309B (en) | 2013-06-21 | 2013-06-21 | Flame spray nozzle for waste oil burner of high-temperature furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103335309A CN103335309A (en) | 2013-10-02 |
| CN103335309B true CN103335309B (en) | 2015-12-30 |
Family
ID=49243517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310249212.9A Expired - Fee Related CN103335309B (en) | 2013-06-21 | 2013-06-21 | Flame spray nozzle for waste oil burner of high-temperature furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103335309B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0540473A2 (en) * | 1991-10-28 | 1993-05-05 | Jacques Roth | Oil burner nozzle |
| CN2422529Y (en) * | 2000-05-31 | 2001-03-07 | 王锁海 | Multi-layer flame spray nozzle on fuel-oil cutting torch |
| EP2275742A1 (en) * | 2009-07-14 | 2011-01-19 | Siemens AG | Nozzle and method for manufacturing a nozzle |
| CN102330976A (en) * | 2011-08-15 | 2012-01-25 | 中国南方航空工业(集团)有限公司 | Fuel-oil atomizing nozzle and gas turbine with same |
| CN203375445U (en) * | 2013-06-21 | 2014-01-01 | 孝义市和中兴矿产有限公司 | Nozzle for waste oil combustor of high-temperature furnace |
-
2013
- 2013-06-21 CN CN201310249212.9A patent/CN103335309B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0540473A2 (en) * | 1991-10-28 | 1993-05-05 | Jacques Roth | Oil burner nozzle |
| CN2422529Y (en) * | 2000-05-31 | 2001-03-07 | 王锁海 | Multi-layer flame spray nozzle on fuel-oil cutting torch |
| EP2275742A1 (en) * | 2009-07-14 | 2011-01-19 | Siemens AG | Nozzle and method for manufacturing a nozzle |
| CN102330976A (en) * | 2011-08-15 | 2012-01-25 | 中国南方航空工业(集团)有限公司 | Fuel-oil atomizing nozzle and gas turbine with same |
| CN203375445U (en) * | 2013-06-21 | 2014-01-01 | 孝义市和中兴矿产有限公司 | Nozzle for waste oil combustor of high-temperature furnace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103335309A (en) | 2013-10-02 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20151230 |