CN107165858A - Guide vane of water pump wheel and its processing method with self-cleaning performance - Google Patents
Guide vane of water pump wheel and its processing method with self-cleaning performance Download PDFInfo
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- CN107165858A CN107165858A CN201710538546.6A CN201710538546A CN107165858A CN 107165858 A CN107165858 A CN 107165858A CN 201710538546 A CN201710538546 A CN 201710538546A CN 107165858 A CN107165858 A CN 107165858A
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- Prior art keywords
- guide vane
- parts
- wheel
- vane wheel
- water pump
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
Abstract
Guide vane of water pump wheel and its processing method with self-cleaning performance, are related to water pump production accessory and its processing technique field, comprise the following steps：Guide vane wheel is polished, soaked, soaked using automatically cleaning treatment fluid after guide vane wheel is dried, to guide vane wheel carry out spray disinfection, carry out it is secondary immersion, constant temperature processing.The immersion that the present invention makes guide vane wheel pass through from automatically cleaning treatment fluid can carry out overlay film in stator wheel surface, the film can be to the hard thing in fluid collision and scraping, prevent such that there is the fluid of friction, capability stator wheel surface is damaged and destroyed, so as to increase the self-cleaning performance of guide vane wheel, make erosion of the guide vane wheel from various fluids during long-term use, reduce the degree of friction, so as to ensure being normally carried out for water pump transportation work, it is beneficial to the operating efficiency for the service life and raising water pump for extending water pump.
Description
Technical field：
The present invention relates to water pump production accessory and its processing technique field, and in particular to a kind of water with self-cleaning performance
Pump guide vane wheel and its processing method.
Background technology：
Water pump is a kind of pressure to increase liquid, is allowed to the machinery of transport flow, be it is a kind of be used for moving liquid or
The device of specialized fluids medium, is the machinery to fluid work done.Water pump has different purposes, and different conveying liquid are situated between
Matter, different flow, the scope of lift, therefore, its structure type are certainly also different, and material is also different.But all
Water pump in all there is essential part-guide vane wheel, guide vane wheel provides mobilization force by rotating for liquid so that
The conveying of liquid is realized, but is due to the difference of water pump use environment and purpose, the fluid and liquid that water pump is conveyed also not phase
Together, wherein thering is many liquid and fluid to cause damage to water pump, because the guide vane wheel in water pump is generally metal material or rubber
Glue material is prepared from, therefore can be adhered on many fluids on the wheel blade of guide vane wheel when conveying liquid or fluid is carried out
Bacterium or foreign matter, especially carry out drinking water or running water conveying when, after long-time use can be in guide vane wheel
Upper parasitic many bacteriums, will cause secondary pollution to drinking water after these bacteria livings are long, can also when adhering to serious
Influence normal work and the operation of water pump.
The content of the invention：
The technical problems to be solved by the invention are to provide a kind of guide vane of water pump wheel with self-cleaning performance and its added
Work method, by increasing elimination and resolution of the guide vane wheel to bur in guide vane of water pump wheel surface formation layer protecting film
Power, so as to reduce the time-to-live of bacterium and fungi on guide vane wheel, reduces the contaminated degree of guide vane wheel, so as to ensure water pump
The clean-up performance of the water of conveying, it is to avoid secondary pollution, while also ensure that water pump normally operation and work, is beneficial to extend water
The service life of pump and the operating efficiency for improving water pump.
The technical problems to be solved by the invention are realized using following technical scheme：
Guide vane of water pump wheel and its processing method with self-cleaning performance, comprise the following steps：
1st, the stator wheel surface that casting is processed is polished, untill being polishing to when surface Glabrous is pierced；
2nd, the guide vane wheel after polishing is put into automatically cleaning treatment fluid and soaked, be totally submerged guide vane wheel during immersion
In automatically cleaning treatment fluid, and to being heated up from automatically cleaning treatment fluid, when rising to 70-80 DEG C from automatically cleaning treatment fluid temperature
Stop heating, then constant temperature keeps 2-3h, during immersion, once inside out, guide vane wheel during upset are carried out to guide vane wheel at interval of 0.5h
It can not take out from automatically cleaning treatment fluid, directly be overturn under submerged state；
3rd, guide vane wheel is taken out after the completion of soaking, ventilation is suspended on, dries naturally；
4th, the guide vane wheel after drying is sent in sterilization room and carries out spray disinfection, using the gold after dilution during spray disinfection
Category working fluid bactericide is sterilized, and 1-2h is stood after spray disinfection；
5th, after the completion of after sterilizing, guide vane wheel is put into automatically cleaning treatment fluid and carries out secondary immersion, during secondary immersion certainly
The temperature of cleaning treatment liquid is taken out after being set as 80-90 DEG C, immersion 1-2h；
6th, the guide vane wheel of taking-up is sent to progress constant temperature processing in constant-temperature house, the temperature setting of constant-temperature house is 50-60 DEG C,
Place after 30-40min and take out in constant-temperature house；
7th, re-pasteurization is carried out to guide vane wheel after taking out, sterilization identical metal working fluid for the first time is used in during sterilization and is killed
Microbial inoculum and method for disinfection；
8th, assembling can be carried out and use by taking out to dry after sterilizing；
It is wherein described to be prepared from from automatically cleaning treatment fluid by the component of following mass fraction：8-10 parts of titanium dioxide, acid
4-8 parts of catalyst, 10-16 parts of molybdenum disulfide, 3-6 parts of crosslinked resin, 5-10 parts of chromiumcopper powder, 2-4 parts of benzene sulfonic acid catalyst,
3-8 parts of ethylsiloxane, -4 parts of silica 1,1.5-3 parts of flatting silica, 0.5-2 parts of vanadium iron powder, 1-3 parts of hydroxymethyl cellulose,
0.8-2 parts of ferrous ammonium, 4-7 parts of calcium oxide, 6-10 parts of Firebrake ZB；
Above-mentioned be prepared by the following method from automatically cleaning treatment fluid forms：
1st, titanium dioxide, acid catalyst, molybdenum disulfide and crosslinked resin are added in reactor and mixed, closed after mixing
Close charge door and fusing stirring is carried out to it, then insulation stands 10-30min；
2nd, chromiumcopper powder, benzene sulfonic acid catalyst and ethylsiloxane are added sequentially to after being stirred in reactor again
Secondary heating, is heated up to after 60-65 DEG C stop heating, then stands 10-30min, then is heated up, and is warming up to after 75-80 DEG C and stops
Only heat up；
3 then sequentially add flatting silica, vanadium iron powder, hydroxymethyl cellulose, ferrous ammonium, calcium oxide and Firebrake ZB stirring
Uniformly, it is eventually adding silica at the uniform velocity to be stirred, mixed liquor is taken out after stirring 20-30min and is diluted with pure water,
Concentration is diluted to for 35-40%；
Further technology, the concentration of described metal working fluid bactericide is 20-25%, and metal working fluid bactericide makes
Processing need to be modified before；
Further technology, according to the mass fraction by 20-30 parts of metal during the bactericidal agent modified processing of the metal working fluid
Working fluid bactericide is warming up to after uniformly being mixed with 3-5 parts of hydrogen peroxide, 1-2 parts of butyl acetate and 4-8 parts of epoxy prapanol
60-65 DEG C, then mixed liquor is poured into centrifugal blender and is stirred, natural cooling after stirring；
It is above-mentioned to coordinate improved metal working fluid bactericide be to stator wheel surface from clearly from automatically cleaning treatment fluid
Clean ability is lifted, and bacterium, fungi and flocculation material is prevented in guide vane wheel surface attachment, to the bacterium in trandfer fluid, fungi
Put up a resistance with flocculation material, increase uses the automatical cleaning ability of the guide vane wheel after the effect of automatically cleaning treatment fluid；
The beneficial effects of the invention are as follows：The immersion that guide vane wheel passes through from automatically cleaning treatment fluid can be covered in stator wheel surface
Film, collision and scraping that the film can be to the hard thing in fluid, prevents such to have the fluid of friction, capability to stator wheel surface
Damaged and destroyed, so as to increase the self-cleaning performance of guide vane wheel, make guide vane wheel during long-term use from various streams
The erosion of body, reduces the degree of friction, so as to ensure being normally carried out for water pump transportation work, is beneficial to the use longevity for extending water pump
Life and the operating efficiency for improving water pump.
Embodiment：
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific example is closed, the present invention is expanded on further.
Embodiment 1：
Guide vane of water pump wheel and its processing method with self-cleaning performance, comprise the following steps：
1st, the stator wheel surface that processes of casting is polished, when being polishing to smooth five burr in surface untill；
2nd, the guide vane wheel after polishing is put into automatically cleaning treatment fluid and soaked, be totally submerged guide vane wheel during immersion
In automatically cleaning treatment fluid, and to being heated up from automatically cleaning treatment fluid, when rising to 70-80 DEG C from automatically cleaning treatment fluid temperature
Stop heating, then constant temperature keeps 2-3h, during immersion, once inside out, guide vane wheel during upset are carried out to guide vane wheel at interval of 0.5h
It can not take out from automatically cleaning treatment fluid, directly be overturn under submerged state；
3rd, guide vane wheel is taken out after the completion of soaking, ventilation is suspended on, dries naturally；
4th, the guide vane wheel after drying is sent in sterilization room and carries out spray disinfection, using the gold after dilution during spray disinfection
Category working fluid bactericide is sterilized, and 1-2h is stood after spray disinfection；
5th, after the completion of after sterilizing, guide vane wheel is put into automatically cleaning treatment fluid and carries out secondary immersion, during secondary immersion certainly
The temperature of cleaning treatment liquid is taken out after being set as 80-90 DEG C, immersion 1-2h；
6th, the guide vane wheel of taking-up is sent to progress constant temperature processing in constant-temperature house, the temperature setting of constant-temperature house is 50-60 DEG C,
Place after 30-40min and take out in constant-temperature house；
7th, re-pasteurization is carried out to guide vane wheel after taking out, sterilization identical metal working fluid for the first time is used in during sterilization and is killed
Microbial inoculum and method for disinfection；
8th, assembling can be carried out and use by taking out to dry after sterilizing；
It is wherein described to be prepared from from automatically cleaning treatment fluid by the component of following mass fraction：8-10 parts of titanium dioxide, acid
4-8 parts of catalyst, 10-16 parts of molybdenum disulfide, 3-6 parts of crosslinked resin, 5-10 parts of chromiumcopper powder, 2-4 parts of benzene sulfonic acid catalyst,
3-8 parts of ethylsiloxane, -4 parts of silica 1,1.5-3 parts of flatting silica, 0.5-2 parts of vanadium iron powder, 1-3 parts of hydroxymethyl cellulose,
0.8-2 parts of ferrous ammonium, 4-7 parts of calcium oxide, 6-10 parts of Firebrake ZB；
Above-mentioned be prepared by the following method from automatically cleaning treatment fluid forms：
1st, titanium dioxide, acid catalyst, molybdenum disulfide and crosslinked resin are added in reactor and mixed, closed after mixing
Close charge door and fusing stirring is carried out to it, then insulation stands 10-30min；
2nd, chromiumcopper powder, benzene sulfonic acid catalyst and ethylsiloxane are added sequentially to after being stirred in reactor again
Secondary heating, is heated up to after 60-65 DEG C stop heating, then stands 10-30min, then is heated up, and is warming up to after 75-80 DEG C and stops
Only heat up；
3 then sequentially add flatting silica, vanadium iron powder, hydroxymethyl cellulose, ferrous ammonium, calcium oxide and Firebrake ZB stirring
Uniformly, it is eventually adding silica at the uniform velocity to be stirred, mixed liquor is taken out after stirring 20-30min and is diluted with pure water,
Concentration is diluted to for 35-40%；
Further technology, the concentration of described metal working fluid bactericide is 20-25%, and metal working fluid bactericide makes
Processing need to be modified before；
Further technology, according to the mass fraction by 20-30 parts of metal during the bactericidal agent modified processing of the metal working fluid
Working fluid bactericide is warming up to after uniformly being mixed with 3-5 parts of hydrogen peroxide, 1-2 parts of butyl acetate and 4-8 parts of epoxy prapanol
60-65 DEG C, then mixed liquor is poured into centrifugal blender and is stirred, natural cooling after stirring.
Embodiment 2：
Guide vane of water pump wheel and its processing method with self-cleaning performance, comprise the following steps：
1st, the stator wheel surface that processes of casting is polished, when being polishing to smooth five burr in surface untill；
2nd, the guide vane wheel after polishing is put into automatically cleaning treatment fluid and soaked, be totally submerged guide vane wheel during immersion
In automatically cleaning treatment fluid, and to being heated up from automatically cleaning treatment fluid, when rising to 70-80 DEG C from automatically cleaning treatment fluid temperature
Stop heating, then constant temperature keeps 2-3h, during immersion, once inside out, guide vane wheel during upset are carried out to guide vane wheel at interval of 0.5h
It can not take out from automatically cleaning treatment fluid, directly be overturn under submerged state；
3rd, guide vane wheel is taken out after the completion of soaking, ventilation is suspended on, dries naturally；
4th, the guide vane wheel after drying is sent in sterilization room and carries out spray disinfection, using the gold after dilution during spray disinfection
Category working fluid bactericide is sterilized, and 1-2h is stood after spray disinfection；
5th, after the completion of after sterilizing, guide vane wheel is put into automatically cleaning treatment fluid and carries out secondary immersion, during secondary immersion certainly
The temperature of cleaning treatment liquid is taken out after being set as 80-90 DEG C, immersion 1-2h；
6th, the guide vane wheel of taking-up is sent to progress constant temperature processing in constant-temperature house, the temperature setting of constant-temperature house is 50-60 DEG C,
Place after 30-40min and take out in constant-temperature house；
7th, re-pasteurization is carried out to guide vane wheel after taking out, sterilization identical metal working fluid for the first time is used in during sterilization and is killed
Microbial inoculum and method for disinfection；
8th, assembling can be carried out and use by taking out to dry after sterilizing；
It is wherein described to be prepared from from automatically cleaning treatment fluid by the component of following mass fraction：8-10 parts of titanium dioxide, acid
4-8 parts of catalyst, 10-16 parts of molybdenum disulfide, 3-6 parts of crosslinked resin, 5-10 parts of chromiumcopper powder, 2-4 parts of benzene sulfonic acid catalyst,
3-8 parts of ethylsiloxane, -4 parts of silica 1,1.5-3 parts of flatting silica, 0.5-2 parts of vanadium iron powder, 1-3 parts of hydroxymethyl cellulose,
0.8-2 parts of ferrous ammonium, 4-7 parts of calcium oxide, 6-10 parts of Firebrake ZB；
Above-mentioned be prepared by the following method from automatically cleaning treatment fluid forms：
1st, titanium dioxide, acid catalyst, molybdenum disulfide and crosslinked resin are added in reactor and mixed, closed after mixing
Close charge door and fusing stirring is carried out to it, then insulation stands 10-30min；
2nd, chromiumcopper powder, benzene sulfonic acid catalyst and ethylsiloxane are added sequentially to after being stirred in reactor again
Secondary heating, is heated up to after 60-65 DEG C stop heating, then stands 10-30min, then is heated up, and is warming up to after 75-80 DEG C and stops
Only heat up；
3 then sequentially add flatting silica, vanadium iron powder, hydroxymethyl cellulose, ferrous ammonium, calcium oxide and Firebrake ZB stirring
Uniformly, it is eventually adding silica at the uniform velocity to be stirred, mixed liquor is taken out after stirring 20-30min and is diluted with pure water,
Concentration is diluted to for 35-40%；
Further technology, the concentration of described metal working fluid bactericide is 20-25%, and metal working fluid bactericide makes
Processing need to be modified before；
Further technology, according to the mass fraction by 20-30 parts of metal during the bactericidal agent modified processing of the metal working fluid
Working fluid bactericide is warming up to after uniformly being mixed with 3-5 parts of hydrogen peroxide, 1-2 parts of butyl acetate and 4-8 parts of epoxy prapanol
60-65 DEG C, then mixed liquor is poured into centrifugal blender and is stirred, natural cooling after stirring.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. guide vane of water pump wheel and its processing method with self-cleaning performance, it is characterised in that：Comprise the following steps：
(1) the stator wheel surface that processes of casting is polished, when being polishing to smooth five burr in surface untill；
(2) guide vane wheel after polishing is put into automatically cleaning treatment fluid and soaked, be completely submerged in guide vane wheel during immersion
In automatically cleaning treatment fluid, and to being heated up from automatically cleaning treatment fluid, stop when rising to 70-80 DEG C from automatically cleaning treatment fluid temperature
Only heat up, then constant temperature keeps 2-3h, during immersion, once inside out is carried out to guide vane wheel at interval of 0.5h, guide vane wheel is not during upset
It can take out from automatically cleaning treatment fluid, directly be overturn under submerged state；
(3) guide vane wheel is taken out after the completion of soaking, ventilation is suspended on, dries naturally；
(4) guide vane wheel after drying is sent in sterilization room and carries out spray disinfection, using the metal after dilution during spray disinfection
Working fluid bactericide is sterilized, and 1-2h is stood after spray disinfection；
(5) after the completion of after sterilizing, guide vane wheel is put into automatically cleaning treatment fluid and carries out secondary immersion, automatically cleaning during secondary immersion
The temperature for the treatment of fluid is taken out after being set as 80-90 DEG C, immersion 1-2h；
(6) guide vane wheel of taking-up is sent to progress constant temperature processing in constant-temperature house, the temperature setting of constant-temperature house is 50-60 DEG C,
Place after 30-40min and take out in constant-temperature house；
(7) re-pasteurization is carried out to guide vane wheel after taking out, sterilization identical metal working fluid sterilization for the first time is used in during sterilization
Agent and method for disinfection；
(8) assembling can be carried out and use by taking out to dry after sterilizing.
It is wherein described to be prepared from from automatically cleaning treatment fluid by the component of following mass fraction：8-10 parts of titanium dioxide, acid catalysis
4-8 parts of agent, 10-16 parts of molybdenum disulfide, 3-6 parts of crosslinked resin, 5-10 parts of chromiumcopper powder, 2-4 parts of benzene sulfonic acid catalyst, ethyl
3-8 parts of siloxanes, -4 parts of silica 1,1.5-3 parts of flatting silica, 0.5-2 parts of vanadium iron powder, 1-3 parts of hydroxymethyl cellulose, ferrous iron
0.8-2 parts of ammonium, 4-7 parts of calcium oxide, 6-10 parts of Firebrake ZB.
2. guide vane of water pump wheel and its processing method according to claim 2 with self-cleaning performance, it is characterised in that：Institute
State to be prepared by the following method from automatically cleaning treatment fluid and form：(1) by titanium dioxide, acid catalyst, molybdenum disulfide and crosslinked resin
It is added in reactor and is mixed, charge door is closed after mixing fusing stirring is carried out to it, then insulation stands 10-30min；
(2) chromiumcopper powder, benzene sulfonic acid catalyst and ethylsiloxane are added sequentially to heat again after stirring in reactor,
It is heated up to after 60-65 DEG C stop heating, then stands 10-30min, then heated up, is warming up to after 75-80 DEG C and stops heating；
(3) and then flatting silica, vanadium iron powder, hydroxymethyl cellulose, ferrous ammonium, calcium oxide and Firebrake ZB are sequentially added stir, most
Silica is added afterwards at the uniform velocity to be stirred, and mixed liquor is taken out after stirring 20-30min and is diluted with pure water, is diluted to
Concentration is 35-40%.
3. guide vane of water pump wheel and its processing method according to claim 1 with self-cleaning performance, it is characterised in that：Institute
The concentration for the metal working fluid bactericide stated is 20-25%, and metal working fluid bactericide need to be modified processing before.
4. guide vane of water pump wheel and its processing method according to claim 4 with self-cleaning performance, it is characterised in that：Institute
According to the mass fraction by 20-30 parts of metal working fluid bactericide and 3-5 parts when stating the bactericidal agent modified processing of metal working fluid
Hydrogen peroxide, 1-2 parts of butyl acetate and 4-8 parts of epoxy prapanol are warming up to 60-65 DEG C after uniformly mixing, and then fall mixed liquor
Enter and be stirred into centrifugal blender, natural cooling after stirring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538546.6A CN107165858B (en) | 2017-07-04 | 2017-07-04 | Guide vane of water pump wheel and its processing method with self-cleaning performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538546.6A CN107165858B (en) | 2017-07-04 | 2017-07-04 | Guide vane of water pump wheel and its processing method with self-cleaning performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165858A true CN107165858A (en) | 2017-09-15 |
| CN107165858B CN107165858B (en) | 2019-07-26 |
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ID=59822771
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710538546.6A Active CN107165858B (en) | 2017-07-04 | 2017-07-04 | Guide vane of water pump wheel and its processing method with self-cleaning performance |
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Citations (6)
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| US20040028816A1 (en) * | 2001-01-19 | 2004-02-12 | Ackerman John Frederick | Apparatus for washing gas turbine engines |
| CN101067201A (en) * | 2007-06-12 | 2007-11-07 | 江苏大学 | Method for promoting preprocessing of copper-clad zirconium tungstate composite powder |
| CN101730727A (en) * | 2007-06-19 | 2010-06-09 | 细胞生物工程有限公司 | Method for protecting substrates and removing contaminants from such substrates |
| CN103103508A (en) * | 2011-11-14 | 2013-05-15 | 深圳富泰宏精密工业有限公司 | Surface treatment method for aluminum or aluminum alloy and product prepared thereby |
| EP2705925A2 (en) * | 2011-09-16 | 2014-03-12 | King Abdulaziz City for Science & Technology (KACST) | Method of enhancing wear resistance of the centrifugal pump parts |
| CN106480487A (en) * | 2016-09-20 | 2017-03-08 | 东南大学 | A kind of preparation method of the corrosion-resistant film layer of magnesium based metal antibacterial and mouldproof |
-
2017
- 2017-07-04 CN CN201710538546.6A patent/CN107165858B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040028816A1 (en) * | 2001-01-19 | 2004-02-12 | Ackerman John Frederick | Apparatus for washing gas turbine engines |
| CN101067201A (en) * | 2007-06-12 | 2007-11-07 | 江苏大学 | Method for promoting preprocessing of copper-clad zirconium tungstate composite powder |
| CN101730727A (en) * | 2007-06-19 | 2010-06-09 | 细胞生物工程有限公司 | Method for protecting substrates and removing contaminants from such substrates |
| EP2705925A2 (en) * | 2011-09-16 | 2014-03-12 | King Abdulaziz City for Science & Technology (KACST) | Method of enhancing wear resistance of the centrifugal pump parts |
| CN103103508A (en) * | 2011-11-14 | 2013-05-15 | 深圳富泰宏精密工业有限公司 | Surface treatment method for aluminum or aluminum alloy and product prepared thereby |
| CN106480487A (en) * | 2016-09-20 | 2017-03-08 | 东南大学 | A kind of preparation method of the corrosion-resistant film layer of magnesium based metal antibacterial and mouldproof |
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| Publication number | Publication date |
|---|---|
| CN107165858B (en) | 2019-07-26 |
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