CN107214007A - A kind of air gun and its atomizer of sprayed with adhesive coating - Google Patents
A kind of air gun and its atomizer of sprayed with adhesive coating Download PDFInfo
- Publication number
- CN107214007A CN107214007A CN201710539722.8A CN201710539722A CN107214007A CN 107214007 A CN107214007 A CN 107214007A CN 201710539722 A CN201710539722 A CN 201710539722A CN 107214007 A CN107214007 A CN 107214007A
- Authority
- CN
- China
- Prior art keywords
- valve body
- sprayed
- atomizer
- head
- adhesive coating
- 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
- 238000000576 coating method Methods 0.000 title claims abstract description 69
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 239000000853 adhesive Substances 0.000 title claims abstract description 36
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 36
- 230000001464 adherent effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 244000309464 bull Species 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 11
- 238000000889 atomisation Methods 0.000 abstract description 10
- 238000005507 spraying Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003292 glue Substances 0.000 abstract description 5
- 239000003973 paint Substances 0.000 abstract description 5
- 238000007670 refining Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009688 liquid atomisation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
- B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
- B05B7/066—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet with an inner liquid outlet surrounded by at least one annular gas outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
Landscapes
- Nozzles (AREA)
Abstract
The invention discloses a kind of air gun and its atomizer of sprayed with adhesive coating, including nozzle barrel, diversion rod, valve body and needle；Diversion rod and valve body are coaxially mounted to the inside of nozzle barrel, valve body is connected to the end of diversion rod, needle is coaxially mounted to the inside of diversion rod and valve body, the end of nozzle barrel is provided with a nozzle bore, the head of valve body is provided with a discharge opening, needle can move back and forth along its axial direction, axially arranged have multiple helicla flutes along its on the outer wall of valve body；Due to employing helicla flute on valve body, swirling eddy is formed in the gas circuit of compressed air, according to the viscosity adjustment needle of liquid coating, so that being rapidly atomized and being refined from high negative pressure region of the liquid-state viscosity coating on the outside of it that discharge opening flows out, and sprayed after being farthest uniformly mixed into compressed air from nozzle bore, atomization and good in refining effect, spraying uniformly also save coating, are especially suitable for the adherent coatings such as spray paint and/or glue.
Description
Technical field
The present invention relates to aerial spraying device field, more particularly to a kind of sprayed with adhesive coating air gun and its
Atomizer.
Background technology
Aerial spraying is the coating process being most widely used, and mainly uses compressed air will paint and/or glue etc.
Coating sprays from nozzle, is atomized the coating of liquid by drastically expansion and the diffusion of compressed air, is sprayed in fine mist
To the parts being sprayed-on, and stick to its surface and form continuous paint film.
Different with the species of the coating such as glue due to painting, its liquid-state viscosity degree can be different, is atomized and refines
Degree is also different, and the atomization of adherent coatings and degree of refinement depend primarily on air spray volume and adherent coatings spray volume
The ratio between, ratio is bigger, and the atomization particle of adherent coatings is thinner；And air pressure is higher, atomization particle is scattered must be more, viscosity
The loss of coating is also bigger.
At present, the spray gun species of in the market is more, and the utilization efficiency of coatings of common air gun is not high, and basic herein
Upper improved HVLP (high flow low pressure) spray gun uses Venturi nozzle, by reducing the spray speed of coating, so as to reach
Coating is saved to consume and improve the purpose of coating quality；But, for the adherent coatings that sticky degree differs, even making
With the HVLP spray guns of Venturi nozzle, it is also difficult to reach a relatively good atomization and thinning effect.
Therefore, prior art still has much room for improvement and developed.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of atomizer of sprayed with adhesive coating, atomization and refinement effect
Really good, spraying uniformly also saves coating.
Meanwhile, the present invention also provides a kind of air gun of sprayed with adhesive coating, the atomization of its atomizer used and thin
Change effect good, spraying uniformly also saves coating.
Technical scheme is as follows：A kind of atomizer of sprayed with adhesive coating, including a nozzle barrel, a water conservancy diversion
Bar, a valve body and a needle；Wherein：
The diversion rod and valve body are coaxially mounted to the inside of nozzle barrel, and the valve body is connected to the end of diversion rod,
The needle is coaxially mounted to the inside of diversion rod and valve body；
The head of the valve body is provided with a discharge opening, and the needle can move back and forth along its axial direction, for according to liquid
The viscosity of coating adjusts the gap between the valve pin head portion and discharge opening；
The end of the nozzle barrel is provided with a nozzle bore, and the needle is additionally operable to adjust the needle while movement
Gap between head and nozzle bore；
Space between the connector inwall and needle outer wall of the diversion rod and valve body forms the fluid path of adherent coatings, institute
State the gas circuit that the space between diversion rod and the connector outer wall and nozzle barrel inwall of valve body forms compressed air；
On the outer wall of the valve body along its it is axially arranged have multiple helicla flutes, in the gas circuit of compressed air formed
Swirling eddy.
The atomizer of described sprayed with adhesive coating, wherein：The valve body is made up of head, pars intermedia and connecting portion,
The head of the valve body is in truncated cone-shaped or cone, and the external diameter of pars intermedia had both been more than the big end on the head, also greater than diversion rod
External diameter；On one week outer wall of pars intermedia, the helicla flute of bull is evenly arranged with along the axial direction of the valve body.
The atomizer of described sprayed with adhesive coating, wherein：The lift angle of the helicla flute is between 30 °~60 °.
The atomizer of described sprayed with adhesive coating, wherein：The head number of the helicla flute is between 4~8.
The atomizer of described sprayed with adhesive coating, wherein：The helicla flute is inclined linear helicla flute.
The atomizer of described sprayed with adhesive coating, wherein：Outer spiral shell is provided with the outer wall of the connecting portion of the valve body
Line, the end of the connecting rod is provided with a counterbore, and the interior spiral shell being adapted with the external screw thread of connecting portion is provided with the counterbore
Line.
The atomizer of described sprayed with adhesive coating, wherein：The top of the valve head is plane or sphere；If valve
The head of body is truncated cone-shaped, then its top is plane；If the head of valve body is cone, its top is sphere.
The atomizer of described sprayed with adhesive coating, wherein：The inside of the nozzle barrel is step counterbore, described
The bottom surface that counterbore internal diameter at diversion rod is more than the counterbore at the counterbore internal diameter at the valve body, the valve head is plane.
The atomizer of described sprayed with adhesive coating, wherein：The inside of the valve body is that straight hole adds conical bore, conical bore
Positioned at the end of straight hole, the head of the needle is in cone, and the taper of valve pin head portion is less than or equal to the cone of valve body conical bore
Degree.
A kind of air gun of sprayed with adhesive coating, including the atomizer of gun head is arranged on, wherein：The atomization
Nozzle for the sprayed with adhesive coating any one of above-mentioned atomizer.
The air gun and its atomizer of a kind of sprayed with adhesive coating provided by the present invention, due to being used on valve body
Helicla flute, swirling eddy is formed in the gas circuit of compressed air, according to the viscosity adjustment needle of liquid coating so that from discharging
High negative pressure region of the liquid-state viscosity coating of hole outflow on the outside of it is rapidly atomized and refined, and by farthest uniform
Sprayed after being mixed into compressed air from nozzle bore, atomization and good in refining effect, spraying uniformly also save coating, be especially suitable for spraying
The adherent coatings such as paint and/or glue.
Brief description of the drawings
Fig. 1 is the semi-cutaway of the atomizer of sprayed with adhesive coating of the present invention；
Fig. 2 is the front view of diversion rod in the atomizer of sprayed with adhesive coating of the present invention and valve body.
Embodiment
Below with reference to accompanying drawing, embodiment and embodiment to the present invention are described in detail, described tool
Body embodiment only to explain the present invention, is not intended to limit the embodiment of the present invention.
As shown in figure 1, Fig. 1 is the semi-cutaway of the atomizer of sprayed with adhesive coating of the present invention, viscous liquid atomization spray
Mouth includes a nozzle barrel 110, a diversion rod 120, a valve body 130 and a needle 140；Wherein：
The diversion rod 120 and valve body 130 are located at the inside of nozzle barrel 110, and are co-axially mounted；The valve body 130 connects
It is connected on the end of diversion rod 120；The inside of the diversion rod 120 of needle 140 and valve body 130, and be co-axially mounted；The diversion rod
120 and valve body 130 connector inwall, space between the outer wall of needle 140 as adherent coatings fluid path 200；Institute
The outer wall of the connector of diversion rod 120 and valve body 130 is stated, the space between the inwall of nozzle barrel 110 is used as compressed air
Gas circuit 100；
The head of the valve body 130 is provided with a discharge opening 131, and the needle 140 can move back and forth along its axial direction, be used for
According to the viscosity of liquid coating, the gap between the head of the needle 140 and discharge opening 131 is adjusted；
The end of the nozzle barrel 110 is provided with a nozzle bore 111, and the needle 140 is also used while it is moved
Gap between the head and nozzle bore 111 for adjusting the needle 140；
On the outer wall of the valve body 130 along its it is axially arranged have multiple helicla flutes 132, for the gas circuit in compressed air
Swirling eddy is formed in 100, and is sprayed from nozzle bore 111.
Because swirling eddy is in outside one high negative pressure region of formation of discharge opening 131, thus flowed out from discharge opening 131
Liquid-state viscosity coating is rapidly atomized and refined in the high negative pressure region, and in the presence of swirling eddy, farthest
It is uniformly mixed in compressed air, it is spouting from nozzle bore 111 afterwards.
With reference to shown in Fig. 2, Fig. 2 is the main view of diversion rod in the atomizer of sprayed with adhesive coating of the present invention and valve body
Figure, in the embodiment of the atomizer of sprayed with adhesive coating of the present invention, the valve body is by head 136, pars intermedia 135
Constituted with the connecting portion 134 in Fig. 1, the head 136 of the valve body 130 is in truncated cone-shaped or cone, and the external diameter of pars intermedia 135 was both
More than the big end on the head 136, also greater than the external diameter of diversion rod 120；On one week outer wall of pars intermedia 135, along the valve body 130
Axial direction be evenly arranged with the helicla flute 132 of bull, the lift angle of the helicla flute 132 is between 30 °~60 °, it is preferable that the spiral shell
The lift angle of spin slot is 45 °；So-called lift angle, refers to the helicla flute 132 and throwing of the axial line of valve body 130 on front view herein
Shadow angle.
It is preferred that the helicla flute 132 is right hand helix groove or left-turn spiral groove；For the right hand helix shown in Fig. 2
For groove, clockwise swirling eddy can be formed；And for left-turn spiral groove, then can be formed counterclockwise
Swirling eddy.
It is preferred that the head number of the helicla flute 132 is between 4~8, preferably 6, the quantity of 132 numbers of helicla flute
How much, in the case where the cross-sectional area of helicla flute 132 is constant, the throughput size of swirling eddy can be influenceed.
It is preferred that the helicla flute 132 is inclined linear helicla flute, in order to process, cost is reduced.
It is preferred that the bottom surface of the helicla flute 132 is plane or sphere, in favor of using universal cutter, to reduce into
This.
As shown in figure 1, further, external screw thread 133 is provided with the outer wall of the connecting portion 134 of the valve body 130, it is described
The end of connecting rod 120 is provided with a counterbore 122, and the external screw thread 133 being provided with the counterbore 122 with connecting portion 134 is mutually fitted
The internal thread 123 matched somebody with somebody, in order to be connected by screw thread.
Further, the top on the head 136 of valve body 130 is plane or sphere；If the head 136 of valve body 130 is circle
Platform shape, then its top is plane；If the head 136 of valve body 130 is cone, its top is sphere.
Further, the inside of the nozzle barrel 110 is step counterbore (112a and 112b), the diversion rod 120
The counterbore 112a internal diameters at place are more than the counterbore 113 at the counterbore 112b internal diameters at the valve body 130, the head 136 of valve body 130
Bottom surface be plane.
Further, the inside of the valve body 130 is straight hole 137 plus conical bore 138, and conical bore 138 is located at straight hole 137
End, the head 141 of the needle 140 is in cone, and the taper on the head 141 of needle 140 is less than or equal to the conical bore of valve body 130
138 taper.
Based on the atomizer of above-mentioned sprayed with adhesive coating, the invention also provides a kind of spray of the air of sprayed with adhesive coating
Rifle, including the atomizer of gun head is arranged on, wherein：The atomizer is the spraying described in any of the above-described embodiment
The atomizer of adherent coatings.Not only atomization and good in refining effect, spraying uniformly also save coating, be especially suitable for spray paint with/
Or the adherent coatings such as glue.
It should be appreciated that the foregoing is merely illustrative of the preferred embodiments of the present invention, it e insufficient to the limitation present invention's
Technical scheme, for those of ordinary skills, within the spirit and principles in the present invention, can add according to the above description
With increase and decrease, replace, convert or improve, and the technical scheme after all these increases and decreases, replacement, conversion or improvement, it should all belong to this
The protection domain of invention appended claims.
Claims (10)
1. a kind of atomizer of sprayed with adhesive coating, it is characterised in that including a nozzle barrel, a diversion rod, a valve body and
One needle；Wherein：
The diversion rod and valve body are coaxially mounted to the inside of nozzle barrel, and the valve body is connected to the end of diversion rod, described
Needle is coaxially mounted to the inside of diversion rod and valve body；
The head of the valve body is provided with a discharge opening, and the needle can move back and forth along its axial direction, for according to liquid coating
Viscosity adjust gap between the valve pin head portion and discharge opening；
The end of the nozzle barrel is provided with a nozzle bore, and the needle is additionally operable to adjust the valve pin head portion while movement
Gap between nozzle bore；
Space between the connector inwall and needle outer wall of the diversion rod and valve body forms the fluid path of adherent coatings, described to lead
Space between flow post and the connector outer wall and nozzle barrel inwall of valve body forms the gas circuit of compressed air；
On the outer wall of the valve body along its it is axially arranged have multiple helicla flutes, in the gas circuit of compressed air formed rotation
Air-flow.
2. the atomizer of sprayed with adhesive coating according to claim 1, it is characterised in that：The valve body by head, in
Between portion and connecting portion composition, the head of the valve body is in truncated cone-shaped or cone, and the external diameter of pars intermedia was both big more than the head
End, also greater than the external diameter of diversion rod；On one week outer wall of pars intermedia, the spiral of bull is evenly arranged with along the axial direction of the valve body
Groove.
3. the atomizer of sprayed with adhesive coating according to claim 2, it is characterised in that：The lift angle of the helicla flute exists
Between 30 °~60 °.
4. the atomizer of sprayed with adhesive coating according to claim 2, it is characterised in that：The head number of the helicla flute exists
Between 4~8.
5. the atomizer of sprayed with adhesive coating according to claim 2, it is characterised in that：The helicla flute is inclined
Linear helicla flute.
6. the atomizer of sprayed with adhesive coating according to claim 2, it is characterised in that：The connecting portion of the valve body
External screw thread is provided with outer wall, the end of the connecting rod is provided with a counterbore, is provided with the counterbore outer with connecting portion
The internal thread that screw thread is adapted.
7. the atomizer of sprayed with adhesive coating according to claim 1, it is characterised in that：The top of the valve head
For plane or sphere；If the head of valve body is truncated cone-shaped, its top is plane；If the head of valve body is cone, it is pushed up
Hold as sphere.
8. the atomizer of sprayed with adhesive coating according to claim 1, it is characterised in that：The inside of the nozzle barrel
For step counterbore, the counterbore internal diameter at the diversion rod is more than at the counterbore internal diameter at the valve body, the valve head
The bottom surface of counterbore is plane.
9. the atomizer of sprayed with adhesive coating according to claim 1, it is characterised in that：The inside of the valve body is straight
Hole adds conical bore, and conical bore is located at the end of straight hole, and the head of the needle is in cone, and the taper of valve pin head portion is less than etc.
In the taper of valve body conical bore.
10. a kind of air gun of sprayed with adhesive coating, including it is arranged on the atomizer of gun head, it is characterised in that：Institute
State the atomizer of sprayed with adhesive coating of the atomizer any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539722.8A CN107214007A (en) | 2017-07-04 | 2017-07-04 | A kind of air gun and its atomizer of sprayed with adhesive coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710539722.8A CN107214007A (en) | 2017-07-04 | 2017-07-04 | A kind of air gun and its atomizer of sprayed with adhesive coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107214007A true CN107214007A (en) | 2017-09-29 |
Family
ID=59951719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710539722.8A Pending CN107214007A (en) | 2017-07-04 | 2017-07-04 | A kind of air gun and its atomizer of sprayed with adhesive coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107214007A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293542A (en) * | 2021-04-10 | 2021-08-24 | 重庆海通环保科技有限公司 | A spraying device for making reverse osmosis membrane |
| CN114658580A (en) * | 2022-03-15 | 2022-06-24 | 上海工程技术大学 | Air-entraining jet nozzle with swirl groove on head guide |
| CN115301431A (en) * | 2022-09-14 | 2022-11-08 | 华能国际电力股份有限公司 | High-viscosity slurry atomizing nozzle for inner wall of boiler pipe of thermal power generating unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047815A (en) * | 1989-06-03 | 1990-12-19 | 全苏铝镁电气工业科学研究所设计院 | Device for atomizing liquid |
| CN1062102A (en) * | 1990-12-06 | 1992-06-24 | 兰斯伯格公司 | Spray gun for paint |
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| CN101652188A (en) * | 2007-04-11 | 2010-02-17 | 贝恩德·克里斯迈尔 | Device for spraying pigmented fluids |
| CN102031152A (en) * | 2010-10-13 | 2011-04-27 | 神华集团有限责任公司 | Process nozzle and system for gasifying water coal slurry and application thereof |
| CN202052655U (en) * | 2010-12-21 | 2011-11-30 | 常州力马干燥工程有限公司 | Air flow type atomization device |
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| CN204170868U (en) * | 2014-10-24 | 2015-02-25 | 佛山市南海定融风动工具实业有限公司 | Plane and inner-wall spraying long tube spray gun |
| CN105537020A (en) * | 2015-12-30 | 2016-05-04 | 向卫东 | Nozzle suit and spray gun |
| CN105935634A (en) * | 2016-06-29 | 2016-09-14 | 深圳贵之族生科技有限公司 | Atomization spraying device for viscous liquid |
| CN206981045U (en) * | 2017-07-04 | 2018-02-09 | 深圳市德瑞茵精密科技有限公司 | A kind of air gun and its atomizer of sprayed with adhesive coating |
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2017
- 2017-07-04 CN CN201710539722.8A patent/CN107214007A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047815A (en) * | 1989-06-03 | 1990-12-19 | 全苏铝镁电气工业科学研究所设计院 | Device for atomizing liquid |
| CN1062102A (en) * | 1990-12-06 | 1992-06-24 | 兰斯伯格公司 | Spray gun for paint |
| US20060097070A1 (en) * | 2002-10-15 | 2006-05-11 | Spraying Systems Co. | External mix air assisted spray nozzle assembly |
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| CN105935634A (en) * | 2016-06-29 | 2016-09-14 | 深圳贵之族生科技有限公司 | Atomization spraying device for viscous liquid |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293542A (en) * | 2021-04-10 | 2021-08-24 | 重庆海通环保科技有限公司 | A spraying device for making reverse osmosis membrane |
| CN114658580A (en) * | 2022-03-15 | 2022-06-24 | 上海工程技术大学 | Air-entraining jet nozzle with swirl groove on head guide |
| CN115301431A (en) * | 2022-09-14 | 2022-11-08 | 华能国际电力股份有限公司 | High-viscosity slurry atomizing nozzle for inner wall of boiler pipe of thermal power generating unit |
| CN115301431B (en) * | 2022-09-14 | 2023-08-15 | 华能国际电力股份有限公司 | High-viscosity slurry atomization nozzle for inner wall of boiler tube of thermal power generating unit |
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Application publication date: 20170929 |
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| RJ01 | Rejection of invention patent application after publication |