CN107282324A - Nozzle and its manufacture method - Google Patents
Nozzle and its manufacture method Download PDFInfo
- Publication number
- CN107282324A CN107282324A CN201610197046.6A CN201610197046A CN107282324A CN 107282324 A CN107282324 A CN 107282324A CN 201610197046 A CN201610197046 A CN 201610197046A CN 107282324 A CN107282324 A CN 107282324A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- wearing piece
- discharging opening
- nozzle body
- diameter
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of nozzle and its manufacture method, the nozzle includes nozzle body (1), the nozzle body (1) is formed with the injection cavity (13) with feeding mouth (11) and discharging opening (12), wearing piece (2) is fixed with the discharging opening (12) place of the nozzle body (1), the wearing piece (2) has the spray orifice (21) of connection corresponding with the discharging opening (12), wherein, the wearability of the wearing piece (2) is more than the wearability of the nozzle body (1).In nozzle and its manufacture method that the present invention is provided, the anti-wear performance of nozzle is improved, the problem of solving atomizer nozzle serious wear in the prior art and influence product quality and yield.
Description
Technical field
The present invention relates to nozzle manufacturing technology, in particular it relates to a kind of nozzle for Catalyst Production and
Its manufacture method.
Background technology
Catalyst has a variety of forming methods in process of production, and wherein spray shaping is the life of oil refining catalyst
The important production method of production.Spray shaping be raw slurry is sprayed into using atomizer it is minimum vaporific small
Drop, then carries out heat exchange so that moisture is able to evaporate and pelletiod is made using hot-air and drop
Particle catalyst process.
The nozzle of wherein atomizer is to influence the key zero of the whole degree of Catalyst Production yield, ball and screening quality
Part.The atomizer nozzle used at present is Talide, in actual production, fluid particle
Slurries have serious abrasion to atomizer nozzle under about 8.0MPa high pressure.Under normal circumstances,
After 8-15 hours, atomizer nozzle aperture will can not be continuing with because abrasion becomes greatly.Production
Production 20-30 minutes must be interrupted during middle replacing atomizer nozzle, yield, and atomising device is not only influenceed
Also idle work is made in idle running wait, energy dissipation is very big.
Therefore, it is badly in need of developing high-performance, long-life, anti abrasive atomizer nozzle in catalyst industry
Part, seriously, is frequently changed so as to influence with the nozzle wear for solving atomizer in catalyst production process
The problem of yield and quality and waste energy consumption.
The content of the invention
It is an object of the invention to provide the manufacture method of a kind of nozzle and nozzle, to solve in the prior art
The problem of nozzle wear seriously influences the quality and yield of product.
To achieve these goals, the present invention provides a kind of nozzle, and the nozzle includes nozzle body, institute
State nozzle body and be formed with the injection cavity with feeding mouth and discharging opening, described in the nozzle body
Discharge outlet is fixed with wearing piece, and the wearing piece has the spray orifice of connection corresponding with the discharging opening, its
In, the wearability of the wearing piece is more than the wearability of the nozzle body.
Preferably, the nozzle body is made up of hard alloy, and the wearing piece is made up of diamond.
Preferably, the tungsten carbide hard that the mass percentage content that the hard alloy is Co is 0-15%
Alloy.
Preferably, the nozzle body is fixedly connected with the wearing piece by soldering.
Preferably, the solder that the nozzle body and the wearing piece soldering are used is active solder.
Preferably, the diameter of the discharging opening of the nozzle body is more than the spray orifice of the wearing piece
Diameter.
Preferably, the nozzle body is formed with recess in the discharge outlet, and the wearing piece is embedded in institute
State in recess.
Preferably, the wearing piece be annular plate-like structure, the recess around the discharging opening and with institute
State wearing piece shape adaptation.
Preferably, the thickness h 1 of the wearing piece is 0.5-1.5mm.
Preferably, the injection cavity formed on the nozzle body is from the feeding mouth to the discharging
The cross section of mouth is gradually reduced, and the inwall formed between the feeding mouth and the discharging opening is indent
Circular arc.
Preferably, the diameter d1 of the feeding mouth is 18-25mm, and the diameter d2 of the discharging opening is
3.0-3.2mm, the radius R of the circular arc inwall of the injection cavity is 15-25mm, the spray orifice
Diameter d3 is 2.5-3.0mm, is from the feeding mouth to the distance between the outlet of spray orifice h2
8-15mm。
On the other hand, the present invention also provides a kind of manufacture method of nozzle, and methods described includes：
Nozzle body and wearing piece are provided, wherein, the wearing piece is more than the nozzle master using wearability
The material of body, the injection cavity of the nozzle body formation with feeding mouth and discharging opening, the wearing piece
Form spray orifice；
The wearing piece is fixed on to the discharge outlet of the nozzle body, and cause the spray orifice and
The discharging opening correspondence is connected.
Preferably, the nozzle body is made up of hard alloy, and the wearing piece is made up of diamond, institute
State nozzle body and the wearing piece is fixed together by soldering.
Preferably, the tungsten carbide hard that the mass percentage content that the hard alloy is Co is 0-15%
Alloy.
Preferably, the solder that the nozzle body and the wearing piece soldering are used is active solder.
Preferably, the rate of heat addition of soldering is 30~60 DEG C/min, and brazing temperature is 830~900 DEG C, is protected
The warm time is 10~20min；Brazing process is 5 × 10 in vacuum-2~1 × 10-3Enter in Pa environment
OK.
Preferably, the diameter of the discharging opening of the nozzle body is more than the spray orifice of the wearing piece
Diameter.
Preferably, the nozzle body is formed with recess in the discharge outlet, and the wearing piece is embedded in institute
State in recess.
Preferably, the wearing piece be annular plate-like structure, the recess around the discharging opening and with institute
State wearing piece shape adaptation.
Preferably, the thickness h 1 of the wearing piece is 0.5-1.5mm.
Preferably, the injection cavity formed on the nozzle body is from the feeding mouth to the discharging
The cross section of mouth is gradually reduced, and the inwall formed between the feeding mouth and the discharging opening is indent
Circular arc.
Preferably, the diameter d1 of the feeding mouth is 18-25mm, and the diameter d2 of the discharging opening is
3.0-3.2mm, the radius R of the circular arc inwall of the injection cavity is 15-25mm, the spray orifice
Diameter d3 is 2.5-3.0mm, is from the feeding mouth to the distance between the outlet of spray orifice h2
8-15mm。
The present invention at the ejiction opening of nozzle by setting the preferable wearing piece of polishing machine so that slurries lead to
The spray orifice for crossing wearing piece sprays, and thus improves the anti-wear performance of nozzle, solves and be atomized in the prior art
The problem of device nozzle wear seriously influences product quality and yield.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with
Following embodiment is used to explain the present invention together, but is not construed as limiting the invention.
In accompanying drawing：
Fig. 1 is the structural representation of nozzle in an embodiment of the invention.
Description of reference numerals
1- nozzle bodies；11- feeding mouths；
12- discharging openings；13- sprays cavity；
2- wearing pieces；21- spray orifices.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that
Embodiment described herein is merely to illustrate and explain the present invention, and is not limited to this hair
It is bright.
In the present invention, in the case where not doing opposite explanation, the noun of locality used as " it is upper and lower, left,
The right side " typically refers to the upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to relative to each zero
The profile of part in itself it is inside and outside.
The present invention provides a kind of nozzle, as shown in figure 1, the nozzle includes nozzle body 1, nozzle body
1 is formed with the injection cavity 13 with feeding mouth 11 and discharging opening 12, in going out for the nozzle body 1
Wearing piece 2 is fixed with material mouth 12, wearing piece 2 has the spray orifice of connection corresponding with the discharging opening 12
21, wherein, the wearability of the wearing piece 2 is more than the wearability of the nozzle body 1.
The nozzle can be used for the atomization of catalyst to be molded, in atomization forming process, mill of the slurries to nozzle
Damage mainly at the ejiction opening of nozzle, the present invention by the ejiction opening of nozzle set polishing machine compared with
Good wearing piece 2 so that slurries are sprayed by the spray orifice 21 of wearing piece 2, thus improves the resistance to of nozzle
Performance is ground, atomizer nozzle serious wear in the prior art is solved and influences asking for product quality and yield
Topic.
In a preferred embodiment of the invention, the nozzle body 1 of nozzle is made up of hard alloy, wear-resisting
Part 2 is made up of diamond, diamond properties it is hard, it is wear-resistant corrosion-resistant.Wherein it is preferred to, spray
The carbonization that the hard alloy that mouth main body 1 is used is 0-15% for Co (cobalt) mass percentage content
Tungsten (WC) hard alloy.
To cause the fixation of wearing piece 2 and nozzle body 1, it is preferable that nozzle body 1 is in discharging
Recess is formed with mouth 12, wearing piece 2 is embedded in the recess.Specifically as shown in figure 1, wearing piece 2
For the annular plate-like structure with spray orifice 21, the recess of nozzle body 1 around discharging opening 12 and with
The shape adaptation of wearing piece 2, the wearing piece 2 is embedded in nozzle body 1 recess that to be beneficial to both solid
It is fixed firm.
In present embodiment, nozzle body 1 and wearing piece 2 can be fixed by way of soldering, be used
Solder be preferably active solder, the active solder can be Ag-Cu-Ti, Cu-Sn-Ti or Ti-Cu-Ni.
The process conditions of soldering are：The rate of heat addition of soldering is 30~60 DEG C/min；Brazing temperature is
830~900 DEG C；Soaking time is 10~20min；Brazing process is 5 × 10 in vacuum-2~1 × 10-3Pa
Environment in carry out.The nozzle life of soldering is longer at the process conditions.
The concrete structure of the nozzle that the present invention is provided is as shown in figure 1, institute's shape on the nozzle body 1 of the nozzle
Into injection cavity 13 be substantially conical (not being proper taper), from feeding mouth 11 to going out
The cross section of material mouth 12 is gradually reduced, and the inwall formed between feeding mouth 11 and discharging opening 12 is interior
Recessed circular arc.
Preferably, the diameter of the discharging opening 12 of nozzle body 1 is more than the diameter of the spray orifice 21 of wearing piece 2.
Preferably, the diameter d1 of the feeding mouth 11 of nozzle body 1 is 18-25mm, discharging opening 12
Diameter d2 is 3.0-3.2mm, and the radius R for spraying the circular arc inwall of cavity 13 is 15-25mm, resistance to
Grind part 2 spray orifice 21 diameter d3 be 2.5-3.0mm, from feeding mouth 11 to the outlet of spray orifice 21 it
Between distance (height of nozzle) h2 be 8-15mm；In addition, the outside diameter d 5 of wearing piece 2 is about
5-10mm, thickness h 1 is preferably 0.5-1.5mm；Nozzle is integrally generally formed into circular configuration, outside it
Footpath d4 is 22-30mm.
It is highly preferred that the diameter d1 of the feeding mouth 11 is 20mm.
The nozzle atomization effect that the present invention is provided is good, the catalyst atomization good sphericity obtained, particle collection
In, powder bonding and hollow powder significantly reduce.
The present invention also provides a kind of manufacture method of nozzle, and the manufacture method can be used for manufacture as described above
Nozzle.This method includes：
First there is provided nozzle body 1 and wearing piece 2, wherein, the wearing piece 2 is big using wearability
In the material of the nozzle body 1, spray of the formation of nozzle body 1 with feeding mouth 11 and discharging opening 12
Penetrate cavity 13, wearing piece formation spray orifice 21；
At the discharging opening 12 that the wearing piece 2 is fixed on to the nozzle body 1, and cause the spray
Hole 21 is connected with the discharging opening 12 correspondence.
Preferably, nozzle body 1 is made up of hard alloy, and preferably Co mass percentage content is
0-15% Talide, wearing piece 2 is made up of diamond.The nozzle body 1 and described
Wearing piece 2 can be fixed together by soldering, and the solder that soldering is used is active solder, the active pricker
Material can be Ag-Cu-Ti, Cu-Sn-Ti or Ti-Cu-Ni, the process conditions of soldering：The rate of heat addition is
30~60 DEG C/min, brazing temperature is 830~900 DEG C, and soaking time is 10~20min；Brazing process exists
Vacuum is 5 × 10-2~1 × 10-3Carried out in Pa environment.
In addition, the structure of manufactured nozzle is identical with above-mentioned described nozzle, it will not be repeated here.
Below by specific embodiment specifically describe the present invention (structure of the nozzle in each embodiment is identical,
Structure i.e. shown in Fig. 1).
Embodiment one：
In the present embodiment, nozzle body 1 is made up of Hardmetal materials, is formed with circular arc inwall
Spray cavity 13, the WC that the mass percentage content that the hard alloy employed in it is Co is 15%
Hard alloy；Wearing piece 2 is made up of diamond.The specific size of the nozzle is：Feeding mouth 11
Diameter d1 be 25mm, the diameter d2 of discharging opening 12 is 3.2mm, sprays the circular arc of cavity 13
The radius R of inwall is 25mm, and the diameter d3 of spray orifice 21 is 3.0mm, the thickness h 1 of wearing piece 2
For 1.5mm, diameter d5 is 5mm；From feeding mouth 11 to the distance between the outlet of spray orifice 21 (spray
The height of mouth) h2 be 8mm, nozzle generally circular configuration, its outside diameter d 4 be 30mm.
Nozzle body 1 and wearing piece 2 are combined into by soldering, the solder that soldering is used for
Ag-Cu-Ti。
Soldering processes condition in the embodiment is as follows：The rate of heat addition is 30 DEG C/min；Brazing temperature is
900℃；Soaking time is 10min；Brazing process is 5 × 10 in vacuum-2Carried out in Pa environment.
A kind of service life can be obtained after brazed more than 400 hours, catalyst atomization good sphericity,
Grain concentration, powder bonding and the significantly reduced atomizer part of hollow powder.
Embodiment 2
In the present embodiment, nozzle body 1 is made up of Hardmetal materials, is formed with circular arc inwall
Spray cavity 13, the WC that the mass percentage content that the hard alloy employed in it is Co is 0%
Hard alloy；Wearing piece 2 is made up of diamond.The specific size of the nozzle is：Feeding mouth 11
Diameter d1 be 18mm, the diameter d2 of discharging opening 12 is 3.0mm, sprays the circular arc of cavity 13
The radius R of inwall is 15mm, and the diameter d3 of spray orifice 21 is 2.5mm, the thickness h 1 of wearing piece 2
For 0.5mm, diameter d5 is 10mm；From feeding mouth 11 to the distance between the outlet of spray orifice 21 (spray
The height of mouth) h2 be 15mm, nozzle generally circular configuration, its outside diameter d 4 be 22mm.
Nozzle body 1 and wearing piece 2 are combined into by soldering, the solder that soldering is used for
Cu-Sn-Ti。
Soldering processes condition in the embodiment is as follows：The rate of heat addition is 60 DEG C/min；Brazing temperature is
830℃；Soaking time is 20min；Brazing process is 1 × 10 in vacuum-3Carried out in Pa environment.
A kind of service life can be obtained after brazed more than 450 hours, catalyst atomization good sphericity,
Grain concentration, powder bonding and the significantly reduced atomizer part of hollow powder.
Embodiment 3
In the present embodiment, nozzle body 1 is made up of Hardmetal materials, is formed with circular arc inwall
Spray cavity 13, the WC that the mass percentage content that the hard alloy employed in it is Co is 8%
Hard alloy；Wearing piece 2 is made up of diamond.The specific size of the nozzle is：Feeding mouth 11
Diameter d1 be 20mm, the diameter d2 of discharging opening 12 is the circular arc in 3.1mm, injection cavity 13
The radius R of shape inwall is 20mm, and the diameter d3 of spray orifice 21 is 2.7mm, the thickness of wearing piece 2
H1 is 1.0mm, and diameter d5 is 8mm；From feeding mouth 11 to the distance between the outlet of spray orifice 21 (spray
The height of mouth) h2 is 12mm, the outside diameter d 4 of nozzle is 25mm.
Nozzle body 1 and wearing piece 2 are combined into by soldering, the solder that soldering is used for
Ti-Cu-Ni。
Soldering processes condition in the present embodiment is as follows：The rate of heat addition is 50 DEG C/min；Brazing temperature is
860℃；Soaking time is 15min；Brazing process is 5 × 10 in vacuum-3Carried out in Pa environment.
A kind of service life can be obtained after brazed more than 500 hours, catalyst atomization good sphericity,
Grain concentration, powder bonding and the significantly reduced atomizer part of hollow powder.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited
Detail in above-mentioned embodiment, can be to the present invention in the range of the technology design of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, the present invention no longer separately illustrates to various possible combinations.
In addition, various embodiments of the present invention can be combined randomly, as long as its
Without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.
Claims (22)
1. a kind of nozzle, the nozzle includes nozzle body (1), the nozzle body (1) is formed with
Injection cavity (13) with feeding mouth (11) and discharging opening (12), it is characterised in that described
The discharging opening (12) place of nozzle body (1) is fixed with wearing piece (2), the wearing piece (2)
Spray orifice (21) with connection corresponding with the discharging opening (12), wherein, the wearing piece (2)
Wearability is more than the wearability of the nozzle body (1).
2. nozzle according to claim 1, it is characterised in that the nozzle body (1) is by hard
Matter alloy is made, and the wearing piece (2) is made up of diamond.
3. nozzle according to claim 2, it is characterised in that the hard alloy is Co matter
Measure the Talide that degree is 0-15%.
4. nozzle according to claim 2, it is characterised in that the nozzle body (1) and institute
Wearing piece (2) is stated to be fixedly connected by soldering.
5. nozzle according to claim 4, it is characterised in that the nozzle body (1) and institute
Solder that wearing piece (2) soldering used is stated for active solder.
6. nozzle according to claim 1, it is characterised in that the institute of the nozzle body (1)
State diameter of the diameter more than the spray orifice (21) of the wearing piece (2) of discharging opening (12).
7. nozzle according to claim 1, it is characterised in that the nozzle body (1) is in institute
State discharging opening (12) place and be formed with recess, the wearing piece (2) is embedded in the recess.
8. nozzle according to claim 7, it is characterised in that the wearing piece (2) is annular
Platy structure, the recess around the discharging opening (12) and with the wearing piece (2) shape adaptation.
9. nozzle according to claim 8, it is characterised in that the thickness of the wearing piece (2)
H1 is 0.5-1.5mm.
10. the nozzle according to any one in claim 1-9, it is characterised in that the nozzle
The injection cavity (13) formed in main body (1) is from the feeding mouth (11) to the discharging opening
(12) cross section is gradually reduced, and shape between the feeding mouth (11) and the discharging opening (12)
Into inwall be indent circular arc.
11. nozzle according to claim 10, it is characterised in that the feeding mouth (11)
Diameter d1 is 18-25mm, and the diameter d2 of the discharging opening (12) is 3.0-3.2mm, the injection
The radius R of the circular arc inwall of cavity (13) is 15-25mm, the diameter d3 of the spray orifice (21)
For 2.5-3.0mm, from the feeding mouth (11) to the distance between outlet of the spray orifice (21) h2
For 8-15mm.
12. a kind of manufacture method of nozzle, it is characterised in that methods described includes：
Nozzle body (1) and wearing piece (2) are provided, wherein, the wearing piece (2) uses wearability
More than the material of the nozzle body (1), the nozzle body (1), which is formed, has feeding mouth (11)
With the injection cavity (13) of discharging opening (12), the wearing piece formation spray orifice (21)；
The wearing piece (2) is fixed on to the discharging opening (12) place of the nozzle body (1),
And the spray orifice (21) is connected with the discharging opening (12) correspondence.
13. method according to claim 12, it is characterised in that the nozzle body (1) by
Hard alloy is made, and the wearing piece (2) is made up of diamond, the nozzle body (1) and described
Wearing piece (2) is fixed together by soldering.
14. method according to claim 13, it is characterised in that the hard alloy is Co
Mass percentage content be 0-15% Talide.
15. method according to claim 13, it is characterised in that the nozzle body (1) and
The solder that wearing piece (2) soldering is used is active solder.
16. method according to claim 13, it is characterised in that the rate of heat addition of soldering is
30~60 DEG C/min, brazing temperature is 830~900 DEG C, and soaking time is 10~20min；Brazing process exists
Vacuum is 5 × 10-2~1 × 10-3Carried out in Pa environment.
17. method according to claim 12, it is characterised in that the nozzle body (1)
The diameter of the discharging opening (12) is more than the diameter of the spray orifice (21) of the wearing piece (2).
18. method according to claim 12, it is characterised in that the nozzle body (1) exists
Discharging opening (12) place is formed with recess, and the wearing piece (2) is embedded in the recess.
19. method according to claim 18, it is characterised in that the wearing piece (2) is ring
Shape platy structure, the recess is around the discharging opening (12) and suitable with the wearing piece (2) shape
Match somebody with somebody.
20. method according to claim 19, it is characterised in that the thickness of the wearing piece (2)
Degree h1 is 0.5-1.5mm.
21. the method according to any one in claim 12-20, it is characterised in that the spray
The injection cavity (13) formed in mouth main body (1) is from the feeding mouth (11) to the discharging
The cross section of mouth (12) is gradually reduced, and between the feeding mouth (11) and the discharging opening (12)
The inwall of formation is the circular arc of indent.
22. method according to claim 21, it is characterised in that the feeding mouth (11)
Diameter d1 is 18-25mm, and the diameter d2 of the discharging opening (12) is 3.0-3.2mm, the injection
The radius R of the circular arc inwall of cavity (13) is 15-25mm, the diameter d3 of the spray orifice (21)
For 2.5-3.0mm, from the feeding mouth (11) to the distance between outlet of the spray orifice (21) h2
For 8-15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197046.6A CN107282324A (en) | 2016-03-31 | 2016-03-31 | Nozzle and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197046.6A CN107282324A (en) | 2016-03-31 | 2016-03-31 | Nozzle and its manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107282324A true CN107282324A (en) | 2017-10-24 |
Family
ID=60087767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197046.6A Pending CN107282324A (en) | 2016-03-31 | 2016-03-31 | Nozzle and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107282324A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06155302A (en) * | 1992-11-20 | 1994-06-03 | Ngk Spark Plug Co Ltd | Nozzle for grinding material spray |
| CN2407006Y (en) * | 1999-08-31 | 2000-11-22 | 刘德烈 | Adjustable feeding atomizing nozzle for catalytic cracking heavy oil |
| CN201702047U (en) * | 2010-05-27 | 2011-01-12 | 洛阳智邦石化设备有限公司 | Novel critical flow rate spraying nozzle |
| CN203874922U (en) * | 2014-02-25 | 2014-10-15 | 中国石油化工股份有限公司 | Granulation nozzle |
| CN204746667U (en) * | 2015-06-29 | 2015-11-11 | 中石化炼化工程（集团）股份有限公司 | Flue gas denitration spray gun |
| CN205518262U (en) * | 2016-03-31 | 2016-08-31 | 中国石油化工股份有限公司 | Jet nozzle |
| CN207227854U (en) * | 2017-06-08 | 2018-04-13 | 上海斐卓喷雾系统有限公司 | A kind of high pressure papermaking needle nozzle |
-
2016
- 2016-03-31 CN CN201610197046.6A patent/CN107282324A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06155302A (en) * | 1992-11-20 | 1994-06-03 | Ngk Spark Plug Co Ltd | Nozzle for grinding material spray |
| CN2407006Y (en) * | 1999-08-31 | 2000-11-22 | 刘德烈 | Adjustable feeding atomizing nozzle for catalytic cracking heavy oil |
| CN201702047U (en) * | 2010-05-27 | 2011-01-12 | 洛阳智邦石化设备有限公司 | Novel critical flow rate spraying nozzle |
| CN203874922U (en) * | 2014-02-25 | 2014-10-15 | 中国石油化工股份有限公司 | Granulation nozzle |
| CN204746667U (en) * | 2015-06-29 | 2015-11-11 | 中石化炼化工程（集团）股份有限公司 | Flue gas denitration spray gun |
| CN205518262U (en) * | 2016-03-31 | 2016-08-31 | 中国石油化工股份有限公司 | Jet nozzle |
| CN207227854U (en) * | 2017-06-08 | 2018-04-13 | 上海斐卓喷雾系统有限公司 | A kind of high pressure papermaking needle nozzle |
Non-Patent Citations (1)
| Title |
|---|
| 宋月清 等: "人造金刚石工具手册", 冶金工业出版社 * |
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