CN107477575A - The combustion system of the compressed air atomizing lance and application of atomizing lance the mouth spray gun - Google Patents
The combustion system of the compressed air atomizing lance and application of atomizing lance the mouth spray gun Download PDFInfo
- Publication number
- CN107477575A CN107477575A CN201710848033.5A CN201710848033A CN107477575A CN 107477575 A CN107477575 A CN 107477575A CN 201710848033 A CN201710848033 A CN 201710848033A CN 107477575 A CN107477575 A CN 107477575A
- Authority
- CN
- China
- Prior art keywords
- hybrid chamber
- atomizing lance
- compressed air
- pipeline
- combustion
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/101—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet
- F23D11/102—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting before the burner outlet in an internal mixing chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
- F23D11/12—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour characterised by the shape or arrangement of the outlets from the nozzle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/38—Nozzles; Cleaning devices therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/40—Mixing tubes or chambers; Burner heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
- F23D11/42—Starting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/11002—Liquid fuel burners with more than one nozzle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
Abstract
The invention discloses the combustion system of a kind of compressed air atomizing lance of atomizing lance mouth and the application spray gun, it is related to industrial furnace burner atomizing lance field.Including for being passed through the gas pipeline of combustion-supporting gas and fluid pipeline for being passed through fuel, also include hybrid chamber, hybrid chamber one end connects gas pipeline, the other end connects orifice, fluid pipeline is connected in the side wall of hybrid chamber, fuel is flowed under the drive of combustion-supporting gas along the side wall of hybrid chamber to orifice.
Description
Technical field
The present invention relates to industrial furnace burner atomizing lance field, more particularly to the compressed air mist of atomizing lance mouth
Change the combustion system of spray gun and the application spray gun.
Background technology
With domestic industry, the horizontal raising of manufacturing industry, also more and more higher, compressed air are atomized the requirement to Industrial Boiler
Spray gun has obtained more attention as the necessary device that Industrial Boiler is lighted a fire, and under the conditions of prior art, the problem of following be present：
First atomization is incomplete, causes incomplete combustion, produces black smoke, and efficiency of combustion is low；Second is typically fuel using heavy oil, burning
Produce pernicious gas pollution environment；The 3rd fuel burning-point typically used is high, duration of ignition length.
At present, as shown in figure 1, prior art compressed air atomizing lance includes：
Gun body 1, the one end of gun body 1 are Spray gun nozzle 2.
With reference to Fig. 1 and Fig. 3, the other end of gun body 1 is extended with two hose couplings 11, is provided with gun body 1 and passes through for combustion-supporting gas
Gas pipeline 21 and for fuel, i.e., the fluid pipeline 22 that liquid methanol passes through.
Fluid pipeline 22 is enclosed in around fluid pipeline 22.
As shown in Fig. 2 Spray gun nozzle 2 is provided with some orifices 28, the one end of orifice 28 connection gas pipeline 21, the other end
For opening on Spray gun nozzle 2, fluid pipeline 22 connects the middle part of the length direction of orifice 28.
Combustion-supporting gas enters orifice 28 to mixing with fuel last with discharge during outflow orifice 28.
But depend combustion-supporting gas and liquid fuel alone and together spray, combustion-supporting gas plays guide effect, drives liquid fuel together
Spray, mixed effect is poor during ejection.
The content of the invention
It is an object of the invention to provide a kind of compressed air atomizing lance, during liquid fuel within sprays, combustion-supporting gas
Auxiliary liquid fuel is with helping combustion gas mixing.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of compressed air atomizing lance, including for being passed through the gas pipeline of combustion-supporting gas and liquid line for being passed through fuel
Road, in addition to hybrid chamber, hybrid chamber one end connection gas pipeline, other end connection orifice, fluid pipeline are connected to hybrid chamber
Side wall on, make fuel under the drive of combustion-supporting gas along the side wall of hybrid chamber to orifice flow.
By using above-mentioned technical proposal, fuel will form one layer of oil film in mixing cavity wall, and combustion-supporting gas enters mixing
Chamber sprays from orifice, oil film is extrapolated to orifice, so as to form several bubbles.
Bubble is formed to surround the oil film of combustion-supporting gas, after bubble leaves Spray gun nozzle, due to bubble compressed air inside pressure
More than external atmosphere pressure, grab combustion gas volume change ambassador's bubble and be bursting at the collision.
During bubble volume becomes big, the big thickness of film area change is thinning, and minimum fuel fluid is formed after bursting blast
Drop, then reach the purpose of abundant atomized fuel.
Further set：The face of hybrid chamber connection orifice is taper surface.
By using above-mentioned technical proposal, be advantageous to gas-liquid mixture and sprayed from atomizing piece.
Further set：The opening of hybrid chamber connection gas pipeline is set close to the side wall of hybrid chamber, and is circumferentially distributed.
By using above-mentioned technical proposal, be advantageous to combustion-supporting gas and uniformly enter hybrid chamber.
Further set：The opening of hybrid chamber connection fluid pipeline is set close to gas pipeline.
By using above-mentioned technical proposal, be advantageous to fuel liquid and enter hybrid chamber.
Further set：Fluid pipeline is connected by pilot hole with hybrid chamber, and pilot hole enters hybrid chamber with combustion-supporting gas
Direction it is vertical.
By using above-mentioned technical proposal, ensure combustion-supporting gas and fuel all in the state being relatively isolated before mixing.
Further set：Also include atomization block and shunting nozzle, shunting nozzle is used to connect gas pipeline and hybrid chamber, orifice
On atomization block.
By using above-mentioned technical proposal, be advantageous to gas-liquid mixture atomization.
It is further arranged to, shunting nozzle insertion gun body.
By using above-mentioned technical proposal, be advantageous to shunting nozzle and gun body stable connection.
It is further arranged to：Atomization block is fastened in gun body by clamp nut.
By using above-mentioned technical proposal, ensure that atomization block is firmly secured to gun body.
It is a further object of the present invention to provide the compressed air atomization spray of a kind of combustion system, including above-mentioned any scheme
Rifle.
In summary, the invention has the advantages that：The nebulization efficiency of the present invention is high, and gas-liquid mixed is abundant.
Brief description of the drawings
Fig. 1 is prior art atomizing lance structural representation；
Fig. 2 is prior art Spray gun nozzle structural representation；
Fig. 3 is gun body tail end half section structure diagram；
Fig. 4 is Spray gun nozzle cross section structure diagram；
Fig. 5 is shunting nozzle overlooking the structure diagram；
Fig. 6 is shunting nozzle cross section structure diagram；
Fig. 7 is the control principle drawing of combustion system.
In figure, 1, gun body；11st, hose coupling；12nd, the first tailstock；13rd, the second tailstock；14th, oil gun flange；2nd, Spray gun nozzle；
21st, gas pipeline；22nd, fluid pipeline；23rd, shunting nozzle；231st, air flow channel；232nd, fuel flow channel；233rd, pilot hole；24th, mist
Change block；25th, hybrid chamber；26th, clamp nut；27th, support ring；28 orifices.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Wherein identical parts are presented with like reference characters.It should be noted that the word used below in description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in accompanying drawing, word " bottom surface " and " top surface ", " interior " and
" outer " is referred respectively to towards or away from the direction of particular elements geometric center.
Embodiment 1：A kind of methanol compressed air atomizing lance, including：Gun body 1 and Spray gun nozzle 2.The tail end of gun body 1 is connected with
Compressed air feedway and liquid methanol feedway, the top of gun body 1 are provided with Spray gun nozzle 2.
As shown in Fig. 2 Spray gun nozzle 2 includes：Shunting nozzle 23, atomization block 24, clamp nut 26.Shunting nozzle 23 is nested in gun body
1 top, the air flow channel 231 of shunting nozzle 23 connect gas pipeline 21, and the fuel flow channel 232 of shunting nozzle 23 connects fluid pipeline
22.Atomization block 24 is located at the top of shunting nozzle, and screw thread is provided between clamp nut 26 and the top of gun body 1.When screwing clamp nut 26
When, the lateral surface of the extruding atomization block 24 of clamp nut 26, the bottom surface of atomization block 24 contradicts the top surface of shunting nozzle 23.It is atomized the He of block 24
Shunting nozzle 23 surrounds cavity as hybrid chamber 25, and orifice 28 is connected with the taper surface of hybrid chamber 25.Support ring 27 is arranged on gun body 1
Outer surface.Atomization block 24 is provided with orifice 28, and angle is 120 ° of radial arrangements between orifice 28.
As shown in figure 4, the afterbody of gun body 1 is provided with the first tailstock 12 and the second tailstock 13, the lower section of the first tailstock 12 is provided with flexible pipe
Joint 11, ensure that liquid methanol feedway is connected with gun body 1；The lower section of second tailstock 13 is provided with hose coupling 13, ensures compression
Air feeder is connected with gun body 1.Oil gun flange 14 is arranged at the tail end of gun body 1, and oil gun flange 16 is used to connect fluid pipeline
22 and first tailstock 12, the tailstock 13 of gas pipeline 21 and second.
With reference to Fig. 3 and Fig. 5, the center of shunting nozzle 23 is provided with air flow channel 231, is circumferentially distributed with around central shaft
Six fuel flow channels 233.Air flow channel 231 is by being circumferentially distributed six pilot holes 233 and the UNICOM of hybrid chamber 25, fuel flow channel
232 by pilot hole 233 and the UNICOM of hybrid chamber 25, and it is vertical that pilot hole 233 with compressed air flows to the direction of hybrid chamber 25.
When methanol compressed air atomizing lance works, gas pipeline 21 is passed through compressed air, and fluid pipeline 22 is passed through liquid
State methanol.Liquid methanol imports hybrid chamber 25 by fuel flow channel 232, and compressed air imports hybrid chamber by air flow channel 231
25.After liquid methanol enters hybrid chamber 25, liquid methanol will form one layer of very thin oil film in the inwall of hybrid chamber 25, and compression is empty
Gas sprays into hybrid chamber 25 from orifice 28, forms a methanol bubble.When methanol bubble leaves Spray gun nozzle 2, due to methanol
Bubble compressed air inside pressure is more than external atmosphere pressure, the blast of methanol bubble, forms minimum methanol drop, then reaches and fill
Divide the purpose of atomization methanol.
Embodiment 2：
As shown in fig. 7, a kind of combustion system, including the burning of the compressed air atomizing lance of embodiment 1, igniter, combined type
Device, fuel delivery system, on the spot flame detecting device, control system.
Wherein, igniter includes igniter, high-tension cable, burning torch.
Combined type burner includes：Electricpropulsion installation, atomizing lance, metal hose and corresponding mounting flange
With steady combustion cover.
Fuel delivery system includes：Some startup fast valve, manually-operated gate, pressure gauge, flowmeter and methanol pumps.
Flame detecting device includes：Flame detecting probe, fire inspection processor.
Control system includes on the spot：Individual burner the ignition controller on the spot, the power control cabinet of methanol pump.
Wherein, flowmeter band is shown instantaneous and accumulative on the spot, band 4-20mA remote transfer signals.
Electric control valve for can only integration product, band 4-20mA remote transfer signals.
The above embodiments are only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (9)
1. a kind of compressed air atomizing lance, including atomizing lance mouth, the atomizing lance mouth includes being used to be passed through combustion-supporting gas
Gas pipeline（21）With the fluid pipeline for being passed through fuel（22）, it is characterized in that：Also include hybrid chamber（25）, the hybrid chamber
（25）One end connects the gas pipeline（21）, other end connection orifice（28）, the fluid pipeline（22）It is connected to described
Hybrid chamber（25）Side wall on, make hybrid chamber described in drive lower edge of the fuel in combustion-supporting gas（25）Side wall to the orifice
（28）Flowing.
2. compressed air atomizing lance according to claim 1, it is characterised in that：The hybrid chamber（25）Connect the mist
Change hole（28）Face be taper surface.
3. compressed air atomizing lance according to claim 2, it is characterised in that：The hybrid chamber（25）Connect the gas
Body pipeline（21）Opening close to the hybrid chamber（25）Side wall set, and be circumferentially distributed.
4. compressed air atomizing lance according to claim 3, it is characterised in that：The hybrid chamber（25）Connect the liquid
Body pipeline（22）Opening close to the gas pipeline（21）Set.
5. compressed air atomizing lance according to claim 3, it is characterised in that：The fluid pipeline（22）Pass through guiding
Hole（233）With the hybrid chamber（25）It is connected, the pilot hole（233）Enter the hybrid chamber with combustion-supporting gas（25）Direction
Vertically.
6. compressed air atomizing lance according to claim 5, it is characterised in that：Also include atomization block（24）And shunting nozzle
（23）, the shunting nozzle（23）For connecting gas pipeline（21）With the hybrid chamber（25）, the orifice（28）Located at institute
State atomization block（24）On.
7. compressed air atomizing lance according to claim 6, it is characterised in that：The shunting nozzle（23）The embedded rifle
Body（1）.
8. compressed air atomizing lance according to claim 7, it is characterised in that：The atomization block（24）By compressing spiral shell
It is female（26）It is fastened on the gun body（1）On.
A kind of 9. combustion system, it is characterised in that：Including the compressed air atomizing lance described in claim 1~9 any one,
Also include igniter, combined type burner, fuel delivery system, on the spot flame detecting device, control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848033.5A CN107477575A (en) | 2017-09-19 | 2017-09-19 | The combustion system of the compressed air atomizing lance and application of atomizing lance the mouth spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848033.5A CN107477575A (en) | 2017-09-19 | 2017-09-19 | The combustion system of the compressed air atomizing lance and application of atomizing lance the mouth spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107477575A true CN107477575A (en) | 2017-12-15 |
Family
ID=60585818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710848033.5A Pending CN107477575A (en) | 2017-09-19 | 2017-09-19 | The combustion system of the compressed air atomizing lance and application of atomizing lance the mouth spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477575A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681866A (en) * | 2019-01-30 | 2019-04-26 | 何建国 | A kind of cracking burner spray head |
| CN109855090A (en) * | 2019-01-21 | 2019-06-07 | 昆明理工大学 | A kind of biomass liquid fuel high-efficient atomizing combustion system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107772A (en) * | 1985-05-23 | 1988-07-06 | 石川岛播磨重工业株式会社 | burner |
| JPS63226513A (en) * | 1986-05-07 | 1988-09-21 | Hitachi Ltd | Atomizer |
| JP2014035126A (en) * | 2012-08-08 | 2014-02-24 | Mitsubishi Heavy Ind Ltd | Burner tip, combustion burner, and boiler |
| JP2015064131A (en) * | 2013-09-24 | 2015-04-09 | 三菱重工業株式会社 | Burner tip and combustion burner and boiler |
| CN105299640A (en) * | 2015-12-04 | 2016-02-03 | 湖南三一路面机械有限公司 | Fuel oil burner |
-
2017
- 2017-09-19 CN CN201710848033.5A patent/CN107477575A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87107772A (en) * | 1985-05-23 | 1988-07-06 | 石川岛播磨重工业株式会社 | burner |
| JPS63226513A (en) * | 1986-05-07 | 1988-09-21 | Hitachi Ltd | Atomizer |
| JP2014035126A (en) * | 2012-08-08 | 2014-02-24 | Mitsubishi Heavy Ind Ltd | Burner tip, combustion burner, and boiler |
| JP2015064131A (en) * | 2013-09-24 | 2015-04-09 | 三菱重工業株式会社 | Burner tip and combustion burner and boiler |
| CN105299640A (en) * | 2015-12-04 | 2016-02-03 | 湖南三一路面机械有限公司 | Fuel oil burner |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855090A (en) * | 2019-01-21 | 2019-06-07 | 昆明理工大学 | A kind of biomass liquid fuel high-efficient atomizing combustion system and method |
| CN109681866A (en) * | 2019-01-30 | 2019-04-26 | 何建国 | A kind of cracking burner spray head |
| CN109681866B (en) * | 2019-01-30 | 2024-04-16 | 何建国 | Nozzle for cracking burner |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |