CN106895398B - Oil return type mechanical steam atomization oil gun - Google Patents
Oil return type mechanical steam atomization oil gun Download PDFInfo
- Publication number
- CN106895398B CN106895398B CN201710252987.XA CN201710252987A CN106895398B CN 106895398 B CN106895398 B CN 106895398B CN 201710252987 A CN201710252987 A CN 201710252987A CN 106895398 B CN106895398 B CN 106895398B
- Authority
- CN
- China
- Prior art keywords
- oil
- steam
- inlet pipe
- pipe
- oil return
- 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.)
- Active
Links
- 238000000889 atomisation Methods 0.000 title claims abstract description 46
- 239000007921 spray Substances 0.000 claims description 19
- 238000010926 purge Methods 0.000 claims description 12
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 20
- 238000012423 maintenance Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 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
When the oil gun required by a boiler is smaller in output, the steam inlet valve is closed, oil enters the oil inlet pipe from the oil inlet and then enters the oil distributing ring through the first annular gap, and part of the oil is sprayed out of the nozzle, so that a good atomization effect can be achieved by adopting a simple mechanical atomization mode, and the steam inlet pipe is closed at the moment, so that steam is saved; when the required oil gun of boiler is great to exert oneself, in order to reach fine atomization effect this moment, need open the admission valve, spout steam in the follow whirl vapour ring, increase the steam atomization effect of oil, then this moment, adopts steam atomization and mechanical atomization simultaneously, improves the atomization effect of oil gun. Thus solving the problem of poor atomization effect of the oil gun caused by large output force of the oil gun when the boiler is started; (2) When the boiler is in stable combustion under low load, the maintenance amount is increased due to the replacement of the nozzle of the oil gun for saving oil.
Description
Technical Field
The invention relates to the technical field of atomization oil guns, in particular to an oil return type mechanical steam atomization oil gun.
Background
Most of the oil guns adopted on the existing boiler are simple mechanical atomization oil guns, and when the boiler is started, the oil guns have large output force, so that the condition of poor atomization effect can occur; when the boiler is in stable combustion under low load, the oil gun with small output force can meet the requirement, so that in order to reduce the oil consumption, the oil gun is required to be sequentially stopped, and maintenance personnel replace the oil gun nozzle on site, thereby increasing the maintenance quantity.
The method comprises the following steps:
(1) When the boiler is started, the problem of poor atomization effect of the oil gun caused by large output force of the oil gun is solved; (2) When the boiler is in stable combustion under low load, the maintenance amount is increased due to the replacement of the nozzle of the oil gun for saving oil.
Disclosure of Invention
In view of the above, the present invention aims to provide an oil return type mechanical steam atomizing oil gun. To avoid: (1) When the boiler is started, the problem of poor atomization effect of the oil gun caused by large output force of the oil gun is solved; (2) When the boiler is in stable combustion under low load, the maintenance amount is increased due to the replacement of the nozzle of the oil gun for saving oil.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an oil return formula machinery steam atomizing oil gun, includes oil return pipe, advance oil pipe, admission pipe, branch oil ring, whirl dish, nozzle and whirl ring, advance oil pipe cover and establish on the oil return pipe and have first annular clearance between the two, advance the steam pipe cover and establish advance oil pipe on and have second annular clearance between the two, the branch oil ring sets up the tip of the one end of returning oil pipe, the nozzle sets up advance oil pipe's tip, the whirl ring sets up advance oil pipe's tip, divide the oil ring whirl dish the nozzle with the whirl ring is located same side of oil return pipe and set gradually from inside to outside, divide the through-hole of oil ring with return oil pipe's cavity hole intercommunication, the whirl dish will first annular clearance with the through-hole intercommunication of orifice of whirl ring, whirl ring with second annular clearance intercommunication, the orientation of whirl ring advance oil pipe's tip, it has the admission valve to advance the steam pipe to be provided with on the blowout route of nozzle, the admission pipe has the admission port.
Preferably, the oil distributing ring is in threaded connection with the oil return pipe.
Preferably, the oil return type mechanical steam atomization oil gun further comprises a first screw cap, wherein the first screw cap is in threaded connection with the oil inlet pipe, and the first screw cap tightly presses and fixes the nozzle.
Preferably, the oil return type mechanical steam atomization oil gun further comprises a second screw cap, the second screw cap is in threaded connection with the steam inlet pipe, and the second screw cap compresses and fixes the steam rotating ring.
Preferably, the oil return type mechanical steam atomizing oil gun further comprises a purging pipe communicated with the oil inlet pipe, and the purging pipe is sequentially provided with a manual stop door, a filter, a pneumatic door or an electric door and a check door along the medium flowing direction.
Preferably, the oil inlet is arranged on the side wall of the oil inlet pipe, and the steam inlet is arranged on the side wall of the steam inlet pipe.
Preferably, the oil inlet pipe is sequentially provided with a manual stop door, a filter, an electric door, a flowmeter and a pressure transmitter along the medium flowing direction.
Preferably, the oil return pipe is sequentially provided with a manual stop door, a filter, an electric door, a flowmeter and a pressure transmitter along the medium flow reverse direction.
Preferably, the steam inlet pipe is sequentially provided with a manual stop door, a pneumatic door or an electric door and a pressure transmitter along the medium flowing direction, and the steam inlet valve is the pneumatic door or the electric door.
Preferably, the spraying direction of the spraying hole of the steam rotating ring forms an acute angle with the spraying direction of the nozzle.
The invention provides an oil return type mechanical steam atomization oil gun which comprises an oil return pipe, an oil inlet pipe, an oil distributing ring, a swirl disk, a nozzle and a swirl ring, wherein the oil inlet pipe is sleeved on the oil return pipe, a first annular gap is formed between the oil inlet pipe and the oil inlet pipe, the oil inlet pipe is sleeved on the oil inlet pipe, a second annular gap is formed between the oil inlet pipe and the oil inlet pipe, the oil distributing ring is arranged at the end part of one end of the oil return pipe, the nozzle is arranged at the end part of one end of the oil inlet pipe, the swirl disk, the nozzle and the swirl ring are arranged at the end part of one end of the oil inlet pipe, the oil distributing ring, the swirl disk, the nozzle and the swirl ring are positioned at the same side of the oil return pipe and are sequentially arranged from inside to outside, a through hole of the oil distributing ring is communicated with a cavity hole of the oil return pipe, the swirl disk is communicated with a through hole of the first annular gap and a nozzle, the swirl disk is communicated with the second annular gap, the nozzle is arranged at the end part of the oil inlet pipe, the swirl disk is communicated with the end of the inlet, the one side of the inlet pipe, the swirl disk is arranged towards the oil inlet path of the one end of the oil inlet pipe, and the inlet pipe is provided with the inlet valve.
When the oil gun is used, when the output of the oil gun required by the boiler is smaller, the steam inlet valve is closed, oil enters the oil inlet pipe from the oil inlet, then enters the oil distributing ring through the first annular gap, and part of the oil is sprayed out of the nozzle, so that a good atomization effect can be achieved by adopting a simple mechanical atomization mode, and at the moment, the steam inlet pipe is closed, so that steam is saved; when the required oil gun of boiler is great to exert oneself, in order to reach fine atomization effect this moment, need open the admission valve, spout steam in the follow whirl vapour ring, increase the steam atomization effect of oil, then this moment, adopts steam atomization and mechanical atomization simultaneously, improves the atomization effect of oil gun. Thus solving the problem of poor atomization effect of the oil gun caused by large output force of the oil gun when the boiler is started; (2) When the boiler is in stable combustion under low load, the maintenance amount is increased due to the replacement of the nozzle of the oil gun for saving oil.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an oil return type mechanical steam atomizing oil gun according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a pipeline arrangement of an oil return type mechanical steam atomizing oil gun according to an embodiment of the present invention.
In the above figures 1-2:
nozzle 1, swirl disk 2, oil distributing ring 3, first nut 4, oil return pipe 5, oil inlet pipe 6, swirl ring 7, second nut 8, steam inlet pipe 9, steam inlet 10, oil inlet 11, purge pipe 12, manual stop door 13, filter 14, automatic door 15, check door 16, flowmeter 17, pressure transmitter 18.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of an oil return type mechanical steam atomizing oil gun according to an embodiment of the present invention; fig. 2 is a schematic diagram of a pipeline arrangement of an oil return type mechanical steam atomizing oil gun according to an embodiment of the present invention.
The invention provides an oil return type mechanical steam atomizing oil gun, which comprises an oil return pipe 5, an oil inlet pipe 6, an oil inlet pipe 9, an oil distributing ring 3, a swirl disk 2, a nozzle 1 and a swirl ring 7, wherein the oil inlet pipe 6 is sleeved on the oil return pipe 5, a first annular gap is formed between the oil inlet pipe and the oil inlet pipe, the oil inlet pipe 9 is sleeved on the oil inlet pipe 6, a second annular gap is formed between the oil inlet pipe and the oil inlet pipe, the oil distributing ring 3 is arranged at one end of the oil return pipe 5, the nozzle 1 is arranged at one end of the oil inlet pipe 6, the swirl ring 7 is arranged at one end of the oil inlet pipe 9, the oil distributing ring 3, the swirl disk 2, the nozzle 1 and the swirl ring 7 are positioned at the same side of the oil return pipe 5 and are sequentially arranged from inside to outside, a through hole of the oil distributing ring 3 is communicated with a cavity hole of the oil return pipe 5, the swirl disk 2 is communicated with a first annular gap and a spray hole of the oil distributing ring 3, the swirl disk 7 is communicated with a second annular gap, a spray path of the swirl ring 7 facing the spray hole 1, the spray hole is formed by the spray hole, the swirl ring 7, the spray inlet is arranged at an acute angle, the spray inlet is formed on the spray inlet pipe is, the spray inlet is arranged on the spray inlet pipe is in the direction of the spray inlet 9, and is provided with a spray inlet valve, and the spray inlet is provided with a spray inlet direction, and is provided with an acute angle.
When the oil gun is used, when the output of the oil gun required by the boiler is smaller, the steam inlet valve is closed, oil enters the oil inlet pipe 6 from the oil inlet 11, then enters the oil distributing ring 3 through the first annular gap, and part of the oil is sprayed out of the nozzle 1, so that a good atomization effect can be achieved by adopting a simple mechanical atomization mode, and the steam inlet pipe 9 is closed at the moment, so that steam is saved; when the required oil gun of boiler is great to exert oneself, in order to reach fine atomization effect this moment, need open the admission valve, spout steam in the spiral steam ring 7 through the second annular clearance, increase the steam atomization effect of oil, then adopts steam atomization and mechanical atomization simultaneously this moment, improves the atomization effect of oil gun. Thus solving the problem of poor atomization effect of the oil gun caused by large output force of the oil gun when the boiler is started; (2) When the boiler is in stable combustion under low load, the maintenance amount is increased due to the replacement of the nozzle of the oil gun for saving oil.
The invention has the advantages and positive effects that: in the normal operation process of the oil gun, the output of the oil gun can be adjusted according to the boiler requirement, so that the tedious processes of stopping the oil gun and replacing the nozzle 1 on site are avoided. When the output of the oil gun is smaller, a good atomization effect can be achieved by adopting a simple mechanical atomization mode, and at the moment, the steam inlet pipe 9 of steam is closed, so that the steam is saved; when the output of the oil gun is larger and the atomization effect is poor, steam can be put into the oil gun to change the atomization mode into steam mechanical atomization.
In order to further optimize the scheme, the oil return type mechanical steam atomizing oil gun further comprises a purging pipe 12 communicated with the oil inlet pipe 6, and the purging pipe 12 is sequentially provided with a manual stop door 13, a filter 14, a pneumatic door or an electric door and a check door 16 along the medium flow direction.
In order to further optimize the scheme, a manual stop door 13, a filter 14, an electric door, a flowmeter 17 and a pressure transmitter 18 are sequentially arranged on the oil inlet pipe 6 along the medium flow direction. The oil return pipe 5 is provided with a manual stop door 13, a filter 14, an electric door, a flowmeter 17 and a pressure transmitter 18 in sequence along the medium flow reverse direction. The steam inlet pipe 9 is sequentially provided with a manual stop door 13, a pneumatic door or an electric door and a pressure transmitter 18 along the medium flow direction, and the steam inlet valve is a pneumatic door or an electric door. Each pipeline is provided with a manual stop door 13, a filter 14, a pneumatic/electric door, a check door 16, a flowmeter 17, a pressure transmitter 18 and other devices according to the requirements. The above pneumatic or electric door is collectively referred to as an automatic door 15.
The flowmeter 17 and the pressure transmitter 18 can feed back parameters, and are also provided with an electric/pneumatic door as a basis for adjustment, and all operations can be performed remotely.
The filters 14 on the oil inlet pipe 6 and the purge pipe 12 mainly filter oil and air entering the inside of the oil gun to prevent clogging of the nozzle 1. The pressure transmitter 18 and the flowmeter 17 on the oil inlet pipe 6 and the oil return pipe 5 are used for observing oil inlet and return pressure and flow rate, and are used as the basis for adjusting the oil gun. The check door 16 on the purge tube 12 is to prevent the oil in the oil inlet tube from flowing backward into the compressed air.
Specifically, in operation, the overall regulation of the gun and system: (1) During operation of the gun, the pneumatic/electric door on the purge tube 12 is always closed; when the oil gun is out of operation, the pneumatic/electric door on the purging pipe 12 is opened to purge the oil pipeline and the interior of the oil gun; (2) When the required oil gun output is smaller, a simple mechanical atomization mode is adopted, at the moment, a pneumatic/electric door on the air inlet pipe 9 is closed, and the required oil gun output is achieved by adjusting the oil pressure and the oil inlet quantity through an electric door on the oil inlet and return pipe 5; (3) When the required oil gun output is large, a steam mechanical atomization mode is adopted, at the moment, a pneumatic/electric door on a steam inlet pipe 7 of steam is opened, required steam for atomization is fed, oil pressure and oil inlet and return quantity are adjusted by adjusting an electric door on an oil inlet and return pipe 5, the required oil gun output is achieved, and sometimes the electric door on the oil return pipe 5 is required to be closed in order to achieve the maximum output.
Wherein, oil distributing ring 3 is connected with oil return pipe 5 screw thread. The oil return type mechanical steam atomization oil gun further comprises a first screw cap 4, the first screw cap 4 is in threaded connection with the oil inlet pipe 6, and the first screw cap 4 tightly presses and fixes the nozzle 1. The oil return type mechanical steam atomization oil gun further comprises a second screw cap 8, the second screw cap 8 is connected with the steam inlet pipe in a threaded manner 9, and the second screw cap 8 tightly presses and fixes the steam rotating ring 7. The oil inlet 11 is arranged on the side wall of the oil inlet pipe 6, and the steam inlet 10 is arranged on the side wall of the steam inlet pipe 9.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. An oil return type mechanical steam atomization oil gun is characterized by comprising an oil return pipe, an oil inlet pipe, a steam inlet pipe, an oil distributing ring, a swirl disk, a nozzle and a swirl ring,
the oil inlet pipe is sleeved on the oil return pipe, a first annular gap is arranged between the oil inlet pipe and the oil return pipe, the steam inlet pipe is sleeved on the oil inlet pipe, a second annular gap is arranged between the oil inlet pipe and the steam inlet pipe,
the oil distributing ring is arranged at the end part of one end of the oil return pipe, the nozzle is arranged at the end part of one end of the oil inlet pipe, the steam rotating ring is arranged at the end part of one end of the steam inlet pipe, the oil distributing ring, the cyclone disc, the nozzle and the steam rotating ring are positioned at the same side of the oil return pipe and are sequentially arranged from inside to outside,
the oil distributing ring is in threaded connection with the oil return pipe, the through hole of the oil distributing ring is communicated with the cavity hole of the oil return pipe, the cyclone disc is used for communicating the first annular gap with the through hole of the oil distributing ring and communicating the first annular gap with the spray hole of the nozzle, the cyclone ring is communicated with the second annular gap, the spray hole of the cyclone ring faces the spray path of the nozzle,
an oil inlet is arranged on the oil inlet pipe, a steam inlet is arranged on the steam inlet pipe,
the steam inlet pipe is provided with a steam inlet valve;
the novel spray nozzle is characterized by further comprising a first screw cap, wherein the first screw cap is in threaded connection with the oil inlet pipe, and the first screw cap tightly presses and fixes the spray nozzle.
2. The oil return type mechanical steam atomizing oil gun according to claim 1, further comprising a second screw cap in threaded connection with the steam inlet pipe, wherein the second screw cap compresses and fixes the steam rotating ring.
3. The oil return type mechanical steam atomizing oil gun according to claim 1, further comprising a purge pipe communicated with the oil inlet pipe, wherein the purge pipe is sequentially provided with a manual stop gate, a filter, a pneumatic gate or an electric gate and a check gate along the medium flow direction.
4. The oil return type mechanical steam atomizing oil gun according to claim 1, wherein the oil inlet is arranged on a side wall of the oil inlet pipe, and the steam inlet is arranged on a side wall of the steam inlet pipe.
5. The oil return type mechanical steam atomizing oil gun according to claim 1, wherein a manual stop gate, a filter, an electric gate, a flowmeter and a pressure transmitter are sequentially arranged on the oil inlet pipe along the medium flow direction.
6. The oil return type mechanical steam atomizing oil gun according to claim 1, wherein a manual stop gate, a filter, an electric gate, a flowmeter and a pressure transmitter are sequentially arranged on the oil return pipe along the medium flow reverse direction.
7. The oil return type mechanical steam atomized oil gun according to claim 1, wherein a manual stop door, a pneumatic door or an electric door and a pressure transmitter are sequentially arranged on the steam inlet pipe along the medium flow direction, and the steam inlet valve is the pneumatic door or the electric door.
8. The oil return type mechanical steam atomizing oil gun according to claim 1, wherein the jet hole of the steam rotating ring has a jet direction forming an acute angle with the jet 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 CN106895398A (en) | 2017-06-27 |
| CN106895398B true 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) |
Families Citing this family (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106895398A (en) | 2017-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019148736A1 (en) | Water-fertilizer-pesticide integrated multifunctional irrigation spray head | |
| CN204710605U (en) | A kind of steam spray nozzle | |
| CN104624426A (en) | Atomizer with automatic blockage clearing function | |
| CN106895398B (en) | Oil return type mechanical steam atomization oil gun | |
| GB2476900A (en) | A micro-lubrication system | |
| CN204724352U (en) | A kind of energy-saving environmental protection multifunction spray gun | |
| CN201368555Y (en) | Central air-conditioning humidifying device | |
| CN201787141U (en) | One-way cut-off valve | |
| CN207576697U (en) | A kind of atomizer | |
| CN207342914U (en) | A kind of spring back-pressure nozzle | |
| CN207065561U (en) | A kind of oil-return type mechanical vapour atomized oil gun | |
| CN203147759U (en) | Oil-returning type mechanical atomizing oil gun | |
| CN208074945U (en) | Air atomizing oil atomizer gun | |
| CN201586589U (en) | Intelligent high atomization water adding device | |
| CN104324825A (en) | Spray gun | |
| CN101649748B (en) | Dust removing sprayer for mine | |
| CN209179922U (en) | The choke plug structure and low pressure oil way of common rail fuel combustion system low pressure oil way | |
| CN204396217U (en) | A kind of novel spring atomizer | |
| CN204429529U (en) | A kind of adjustable nozzle | |
| CN202756152U (en) | Connecting structure of oil atomizer body and oil inlet connector | |
| CN204448354U (en) | From block clearing sprayer | |
| CN205823519U (en) | Atomizer with perturbations | |
| CN204746664U (en) | Energy -saving environmental protection paint spray gun | |
| CN204353032U (en) | A kind of atomizer of acid-alkali-corrosive-resisting | |
| CN206425122U (en) | A kind of Novel high-pressure sprayer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |