CN106895398A - A kind of oil-return type mechanical vapour atomized oil gun - Google Patents
A kind of oil-return type mechanical vapour atomized oil gun Download PDFInfo
- Publication number
- CN106895398A CN106895398A CN201710252987.XA CN201710252987A CN106895398A CN 106895398 A CN106895398 A CN 106895398A CN 201710252987 A CN201710252987 A CN 201710252987A CN 106895398 A CN106895398 A CN 106895398A
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- China
- Prior art keywords
- oil
- inlet pipe
- steam
- ring
- atomized
- 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.)
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Links
- 238000009987 spinning Methods 0.000 claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 15
- 230000002000 scavenging effect Effects 0.000 claims description 11
- 239000011148 porous material Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 21
- 238000000889 atomisation Methods 0.000 abstract description 12
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- F23D11/106—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 at the burner outlet
-
- 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
Abstract
The invention discloses a kind of oil-return type mechanical vapour atomized oil gun, when using, when Oil Gun is smaller needed for boiler, admission valve is closed, oil enters in oil inlet pipe from oil inlet, then oil distributing ring is entered by first annular gap, a part of oil sprays from nozzle, is herein that, only with simple and mechanical atomizing type, can just reach good atomizing effect, now steam inlet pipe is closed, steam is saved；When Oil Gun is larger needed for boiler, now in order to reach good atomizing effect, it is necessary to admission valve is opened, steam is sprayed from spinning steam ring, increases the steam atomization effect of oil, then now, steam atomization and mechanical atomization are used simultaneously, improve the atomizing effect of oil gun.So as to solve during (1) boiler startup, the problem of oil gun atomizing effect difference caused by Oil Gun is big；(2) during boiler low load stable combustion, for fuel-economizing, the problem of increase maintenance caused by oil gun nozzle is changed.
Description
Technical field
The present invention relates to atomized oil gun technical field, more particularly to a kind of oil-return type mechanical vapour atomized oil gun.
Background technology
The oil gun major part used on current boiler is simple and mechanical atomized oil gun, and in boiler startup, Oil Gun is very
Greatly, it may appear that the situation of atomizing effect difference；And in boiler low load stable combustion, the small oil gun exerted oneself just can meet requirement, in order to
Reduction oil mass, now needs to disable oil gun successively, and attendant changes oil gun nozzle to scene, increases maintenance.
It is present：
(1) during boiler startup, the problem of oil gun atomizing effect difference caused by Oil Gun is big；(2) boiler at low load is steady
During combustion, for fuel-economizing, the problem of increase maintenance caused by oil gun nozzle is changed.
The content of the invention
In view of this, it is an object of the invention to provide a kind of oil-return type mechanical vapour atomized oil gun.To avoid：(1) pot
When stove starts, the problem of oil gun atomizing effect difference caused by Oil Gun is big；(2) during boiler low load stable combustion, for fuel-economizing,
Change the caused problem for increasing maintenance of oil gun nozzle.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of oil-return type mechanical vapour atomized oil gun, including oil return pipe, oil inlet pipe, steam inlet pipe, oil distributing ring, eddy flow tray, spray
Mouth and spinning steam ring, the oil inlet pipe are set on the oil return pipe and have first annular gap, the steam inlet pipe between the two
It is set on the oil inlet pipe and there is the second annular gap between the two, the oil distributing ring is arranged on one end of the oil return pipe
End, the nozzle is arranged on the end of one end of the oil inlet pipe, and the spinning steam ring is arranged on one end of the steam inlet pipe
End, the oil distributing ring, the eddy flow tray, the nozzle and the spinning steam ring be located at the oil return pipe the same side and from
Outwards set gradually, the through hole of the oil distributing ring is connected with the lumen pore of the oil return pipe, the eddy flow tray will be described first annular
Gap connects with the through hole of the oil distributing ring and the first annular gap is connected with the spray orifice of the nozzle, the spinning steam ring
Connected with second annular gap, the spray orifice of the spinning steam ring sets towards the ejection path of the nozzle on the oil inlet pipe
Oil inlet is equipped with, air intake is provided with the steam inlet pipe, admission valve is provided with the steam inlet pipe.
Preferably, above-mentioned oil distributing ring is threadedly coupled with the oil return pipe.
Preferably, above-mentioned oil-return type mechanical vapour atomized oil gun also include the first nut, first nut with it is described
Oil inlet pipe is threadedly coupled, and be fixed for the nozzle by first nut.
Preferably, above-mentioned oil-return type mechanical vapour atomized oil gun also include the second nut, second nut with it is described
Steam inlet pipe is threadedly coupled, and be fixed for the spinning steam ring by second nut.
Preferably, above-mentioned oil-return type mechanical vapour atomized oil gun also includes the scavenging conduit connected with the oil inlet pipe, institute
State scavenging conduit and be disposed with manual shutoff door, filter, pneumatic door or electrically operated gate, non-return door along media flow direction.
Preferably, above-mentioned oil inlet is arranged on the side wall of the oil inlet pipe, and the air intake is arranged on the steam inlet pipe
Side wall on.
Preferably, on above-mentioned oil inlet pipe along media flow direction be disposed with manual shutoff door, filter, electrically operated gate,
Flowmeter and pressure transmitter.
Preferably, it is disposed with manual shutoff door, filter, electronic along media flow opposite direction on above-mentioned oil return pipe
Door, flowmeter and pressure transmitter.
Preferably, manual shutoff door, pneumatic door or electronic are disposed with along media flow direction on above-mentioned steam inlet pipe
Door, pressure transmitter, the admission valve are the pneumatic door or the electrically operated gate.
Preferably, the emission direction of the spray orifice of above-mentioned spinning steam ring is at an acute angle with the emission direction of the nozzle.
The oil-return type mechanical vapour atomized oil gun that the present invention is provided, including oil return pipe, oil inlet pipe, steam inlet pipe, oil distributing ring, rotation
Flow table, nozzle and spinning steam ring, the oil inlet pipe are set on the oil return pipe and have first annular gap between the two, described
Steam inlet pipe is set on the oil inlet pipe and has the second annular gap between the two, and the oil distributing ring is arranged on the oil return pipe
One end end, the nozzle is arranged on the end of one end of the oil inlet pipe, and the spinning steam ring is arranged on the steam inlet pipe
One end end, the oil distributing ring, the eddy flow tray, the nozzle and the spinning steam ring be located at the oil return pipe the same side
And set gradually from inside to outside, the through hole of the oil distributing ring is connected with the lumen pore of the oil return pipe, and the eddy flow tray is by described
One annular gap connects with the through hole of the oil distributing ring and the first annular gap is connected with the spray orifice of the nozzle, described
Spinning steam ring is connected with second annular gap, and the spray orifice of the spinning steam ring is towards the ejection path of the nozzle, the oil-feed
Oil inlet is provided with pipe, air intake is provided with the steam inlet pipe, admission valve is provided with the steam inlet pipe.
When using, when Oil Gun is smaller needed for boiler, admission valve is closed, oil enters in oil inlet pipe from oil inlet,
Then oil distributing ring is entered by first annular gap, part oil sprays from nozzle, is herein only with simple and mechanical atomization
Mode, can just reach good atomizing effect, now close steam inlet pipe, save steam；Oil Gun is larger needed for boiler
When, now in order to reach good atomizing effect, it is necessary to admission valve is opened, steam is sprayed from spinning steam ring, increase oil
Steam atomization effect, then now, while using steam atomization and mechanical atomization, improving the atomizing effect of oil gun.So as to solve
During (1) boiler startup, the problem of oil gun atomizing effect difference caused by Oil Gun is big；(2) during boiler low load stable combustion, it is
Fuel-economizing, changes the problem for increasing maintenance caused by oil gun nozzle.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the structural representation of oil-return type mechanical vapour atomized oil gun provided in an embodiment of the present invention；
Fig. 2 is the pipeline arrangement schematic diagram of oil-return type mechanical vapour atomized oil gun provided in an embodiment of the present invention.
In figure 1 above-Fig. 2：
Nozzle 1, eddy flow tray 2, oil distributing ring 3, the first nut 4, oil return pipe 5, oil inlet pipe 6, spinning steam ring 7, the second nut 8, enter
Steam pipe 9, air intake 10, oil inlet 11, scavenging conduit 12, manual shutoff door 13, filter 14, automatically-controlled door 15, non-return door 16, flow
Meter 17, pressure transmitter 18.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Refer to Fig. 1 and the structure that Fig. 2, Fig. 1 are oil-return type mechanical vapour atomized oil gun provided in an embodiment of the present invention is shown
It is intended to；Fig. 2 is the pipeline arrangement schematic diagram of oil-return type mechanical vapour atomized oil gun provided in an embodiment of the present invention.
The oil-return type mechanical vapour atomized oil gun that the present invention is provided, including oil return pipe 5, oil inlet pipe 6, steam inlet pipe 9, oil distributing ring
3rd, eddy flow tray 2, nozzle 1 and spinning steam ring 7, oil inlet pipe 6 are set on oil return pipe 5 and have first annular gap between the two, enter
Steam pipe 9 is set on oil inlet pipe 6 and has the second annular gap between the two, and oil distributing ring 3 is arranged on the end of one end of oil return pipe 5
Portion, nozzle 1 is arranged on the end of one end of oil inlet pipe 6, and spinning steam ring 7 is arranged on the end of one end of steam inlet pipe 9, oil distributing ring 3, rotation
Flow table 2, nozzle 1 and spinning steam ring 7 are located at the same side of oil return pipe 5 and set gradually from inside to outside, the through hole of oil distributing ring 3 and oil return
The lumen pore connection of pipe 5, eddy flow tray 2 connects first annular gap with the through hole of oil distributing ring 3 and by first annular gap and nozzle 1
Spray orifice connection, spinning steam ring 7 connects with the second annular gap, the spray orifice of spinning steam ring 7 towards the ejection path of nozzle 1, wherein, revolve
The emission direction of the spray orifice of vapour ring 7 is at an acute angle with the emission direction of nozzle 1, and oil inlet 11, steam inlet pipe 9 are provided with oil inlet pipe 6
On be provided with air intake 10, be provided with admission valve on steam inlet pipe 9.
When using, when Oil Gun is smaller needed for boiler, admission valve is closed, oil enters oil inlet pipe 6 from oil inlet 11
In, oil distributing ring 3 is then entered by first annular gap, part oil sprays from nozzle 1, is herein only with simple and mechanical
Atomizing type, can just reach good atomizing effect, now close steam inlet pipe 9, save steam；The Oil Gun needed for boiler
When larger, now in order to reach good atomizing effect, it is necessary to admission valve is opened, through the second annular gap from spinning steam ring 7
Middle ejection steam, increases the steam atomization effect of oil, then now, while using steam atomization and mechanical atomization, improving oil gun
Atomizing effect.So as to solve during (1) boiler startup, the problem of oil gun atomizing effect difference caused by Oil Gun is big；(2)
During boiler low load stable combustion, for fuel-economizing, the problem of increase maintenance caused by oil gun nozzle is changed.
Advantages of the present invention and good effect are：In oil gun normal course of operation, can need to carry out oil gun according to boiler to go out
The adjustment of power, it is to avoid disable oil gun, scene and change the complicated processes of nozzle 1.When Oil Gun is smaller, using simple and mechanical
Atomizing type can just reach good atomizing effect, now close the steam inlet pipe 9 of steam, save steam；And Oil Gun compared with
Greatly, when atomizing effect is deteriorated, steam can be put into atomizing type is changed to steam mechanical atomization.
In order to further optimize such scheme, above-mentioned oil-return type mechanical vapour atomized oil gun also includes connecting with oil inlet pipe 6
Logical scavenging conduit 12, scavenging conduit 12 along media flow direction be disposed with manual shutoff door 13, filter 14, pneumatic door or
Electrically operated gate, non-return door 16.
In order to further optimize such scheme, on oil inlet pipe 6 along media flow direction be disposed with manual shutoff door 13,
Filter 14, electrically operated gate, flowmeter 17 and pressure transmitter 18.On oil return pipe 5 hand is disposed with along media flow opposite direction
Dynamic cut-off gate 13, filter 14, electrically operated gate, flowmeter 17 and pressure transmitter 18.On steam inlet pipe 9 along media flow direction successively
Manual shutoff door 13, pneumatic door or electrically operated gate, pressure transmitter 18 are provided with, admission valve is pneumatic door or electrically operated gate.
Manual shutoff door 13, filter 14, Pneumatic/electric door, non-return door 16, flowmeter 17 or pressure are installed as needed on every pipeline
The equipment such as power transmitter 18.Above pneumatic door or electrically operated gate are referred to as automatically-controlled door 15.
Wherein, parameter feedback as the foundation of adjustment, can be also equipped with electronic/gas by flowmeter 17 and pressure transmitter 18
Dynamic door, all operations can be carried out remotely.
Filter 14 on oil inlet pipe 6 and scavenging conduit 12 is mainly oil and the air for filtering and entering inside oil gun, prevents from blocking up
Plug nozzle 1.Pressure transmitter 18 and flowmeter 17 on oil inlet pipe 6 and oil return pipe 5 are used to observe oil inlet and oil return pressure and flow, make
It is the foundation of oil gun regulation.Non-return door 16 on scavenging conduit 12 be in order to prevent the oil in oil inlet pipe from pouring in down a chimney compressed air in.
Specifically, in operation, oil gun is integrally-regulated with system：(1) in oil gun running, on scavenging conduit 12
Pneumatic/electric door is closed always；When oil gun is out of service, Pneumatic/electric on scavenging conduit 12 door open carry out oil pipe line and
Purging inside oil gun；(2) when required Oil Gun is smaller, using simple and mechanical atomizing type, now by steam inlet pipe 9
Pneumatic/electric door close, adjust oil pressure and oil inlet and oil return amount by adjusting the electrically operated gate on oil inlet and oil return pipe 5, reach required oil
Rifle is exerted oneself；(3) when required Oil Gun is larger, using steam mechanical atomizing type, now by the steam inlet pipe 7 of steam
Pneumatic/electric door is opened, steam needed for feeding atomization, and oil pressure and oil inlet and oil return are adjusted by adjusting the electrically operated gate on oil inlet and oil return pipe 5
Amount, reaches required Oil Gun, sometimes for reaching EIAJ, it is necessary to the electrically operated gate closed on oil return pipe 5.
Wherein, oil distributing ring 3 is threadedly coupled with oil return pipe 5.Above-mentioned oil-return type mechanical vapour atomized oil gun also includes first
Nut 4, the first nut 4 is threadedly coupled with oil inlet pipe 6, and be fixed for nozzle 1 by the first nut 4.Above-mentioned oil-return type machinery steams
Vapour atomized oil gun also includes the second nut 8, and the second nut 8 is connected with the line of steam inlet pipe spiral shell 9, and the second nut 8 compresses spinning steam ring 7 solid
It is fixed.Oil inlet 11 is arranged on the side wall of oil inlet pipe 6, and air intake 10 is arranged on the side wall of steam inlet pipe 9.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of oil-return type mechanical vapour atomized oil gun, it is characterised in that including oil return pipe, oil inlet pipe, steam inlet pipe, oil distributing ring,
Eddy flow tray, nozzle and spinning steam ring,
The oil inlet pipe is set on the oil return pipe and has first annular gap between the two, and the steam inlet pipe is set in institute
State on oil inlet pipe and there is the second annular gap between the two,
The oil distributing ring is arranged on the end of one end of the oil return pipe, and the nozzle is arranged on the end of one end of the oil inlet pipe
Portion, the spinning steam ring is arranged on the end of one end of the steam inlet pipe, the oil distributing ring, the eddy flow tray, the nozzle and institute
Spinning steam ring is stated positioned at the same side of the oil return pipe and is set gradually from inside to outside,
The through hole of the oil distributing ring is connected with the lumen pore of the oil return pipe, the eddy flow tray by the first annular gap with it is described
The through hole of oil distributing ring is connected and the first annular gap connected with the spray orifice of the nozzle, the spinning steam ring and described second
Annular gap connect, the spray orifice of the spinning steam ring towards the ejection path of the nozzle,
Oil inlet is provided with the oil inlet pipe, air intake is provided with the steam inlet pipe,
Admission valve is provided with the steam inlet pipe.
2. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that the oil distributing ring with described time
Tubing round thread is connected.
3. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that also including the first nut, institute
State the first nut to be threadedly coupled with the oil inlet pipe, be fixed for the nozzle by first nut.
4. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that also including the second nut, institute
State the second nut to be threadedly coupled with the steam inlet pipe, be fixed for the spinning steam ring by second nut.
5. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that also including with the oil inlet pipe
The scavenging conduit of connection, the scavenging conduit is disposed with manual shutoff door, filter, pneumatic door or electricity along media flow direction
Dynamic door, non-return door.
6. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that the oil inlet is arranged on institute
State on the side wall of oil inlet pipe, the air intake is arranged on the side wall of the steam inlet pipe.
7. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that along medium on the oil inlet pipe
Flow direction is disposed with manual shutoff door, filter, electrically operated gate, flowmeter and pressure transmitter.
8. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that along medium on the oil return pipe
Flowing opposite direction is disposed with manual shutoff door, filter, electrically operated gate, flowmeter and pressure transmitter.
9. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that along medium on the steam inlet pipe
Flow direction is disposed with manual shutoff door, pneumatic door or electrically operated gate, pressure transmitter, and the admission valve is the gas
Dynamic door or the electrically operated gate.
10. oil-return type mechanical vapour atomized oil gun according to claim 1, it is characterised in that the spray orifice of the spinning steam ring
Emission direction it is at an acute angle with the emission direction of the nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710252987.XA CN106895398B (en) | 2017-04-18 | 2017-04-18 | Oil return type mechanical steam atomization oil gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710252987.XA CN106895398B (en) | 2017-04-18 | 2017-04-18 | Oil return type mechanical steam atomization oil gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106895398A true CN106895398A (en) | 2017-06-27 |
| CN106895398B CN106895398B (en) | 2024-04-12 |
Family
ID=59196439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710252987.XA Active CN106895398B (en) | 2017-04-18 | 2017-04-18 | Oil return type mechanical steam atomization oil gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106895398B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654498A (en) * | 2019-01-18 | 2019-04-19 | 北京基鼎环保科技有限公司 | A kind of oil-gas two-way low NO |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2320910Y (en) * | 1997-11-28 | 1999-05-26 | 烟台开发区龙源电力燃烧控制工程有限公司 | Steam mechanical atomization oil gun head |
| CN2557811Y (en) * | 2002-08-06 | 2003-06-25 | 重庆大学 | Low pressure fuel atomizing nozzle |
| CN203099824U (en) * | 2013-02-04 | 2013-07-31 | 成都思茂科技有限公司 | Inner oil return mechanical atomizing nozzle |
| CN203147759U (en) * | 2013-03-28 | 2013-08-21 | 山西潞安矿业(集团)有限责任公司 | Oil-returning type mechanical atomizing oil gun |
| CN207065561U (en) * | 2017-04-18 | 2018-03-02 | 烟台龙源电力技术股份有限公司 | A kind of oil-return type mechanical vapour atomized oil gun |
-
2017
- 2017-04-18 CN CN201710252987.XA patent/CN106895398B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2320910Y (en) * | 1997-11-28 | 1999-05-26 | 烟台开发区龙源电力燃烧控制工程有限公司 | Steam mechanical atomization oil gun head |
| CN2557811Y (en) * | 2002-08-06 | 2003-06-25 | 重庆大学 | Low pressure fuel atomizing nozzle |
| CN203099824U (en) * | 2013-02-04 | 2013-07-31 | 成都思茂科技有限公司 | Inner oil return mechanical atomizing nozzle |
| CN203147759U (en) * | 2013-03-28 | 2013-08-21 | 山西潞安矿业(集团)有限责任公司 | Oil-returning type mechanical atomizing oil gun |
| CN207065561U (en) * | 2017-04-18 | 2018-03-02 | 烟台龙源电力技术股份有限公司 | A kind of oil-return type mechanical vapour atomized oil gun |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654498A (en) * | 2019-01-18 | 2019-04-19 | 北京基鼎环保科技有限公司 | A kind of oil-gas two-way low NO |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106895398B (en) | 2024-04-12 |
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