CN111046553B - 一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法 - Google Patents
一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法 Download PDFInfo
- Publication number
- CN111046553B CN111046553B CN201911262285.5A CN201911262285A CN111046553B CN 111046553 B CN111046553 B CN 111046553B CN 201911262285 A CN201911262285 A CN 201911262285A CN 111046553 B CN111046553 B CN 111046553B
- Authority
- CN
- China
- Prior art keywords
- tube bundle
- fin tube
- air cooler
- based aluminum
- plating
- 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 64
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 62
- 239000010959 steel Substances 0.000 title claims abstract description 62
- 238000000576 coating method Methods 0.000 title claims abstract description 58
- 239000011248 coating agent Substances 0.000 title claims abstract description 52
- 239000002114 nanocomposite Substances 0.000 title claims abstract description 30
- 230000003373 anti-fouling effect Effects 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000013461 design Methods 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000007747 plating Methods 0.000 claims description 69
- 239000002245 particle Substances 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 31
- 239000010410 layer Substances 0.000 claims description 30
- 239000002105 nanoparticle Substances 0.000 claims description 28
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 27
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 27
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 230000003993 interaction Effects 0.000 claims description 22
- 229910018104 Ni-P Inorganic materials 0.000 claims description 21
- 229910018536 Ni—P Inorganic materials 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 21
- 239000002344 surface layer Substances 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 19
- 239000002585 base Substances 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 17
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 16
- 229910001379 sodium hypophosphite Inorganic materials 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 239000003513 alkali Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 claims description 12
- 239000004471 Glycine Substances 0.000 claims description 12
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 229940040526 anhydrous sodium acetate Drugs 0.000 claims description 12
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 claims description 12
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 12
- 239000001509 sodium citrate Substances 0.000 claims description 12
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 11
- 239000000839 emulsion Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052681 coesite Inorganic materials 0.000 claims description 10
- 229910052906 cristobalite Inorganic materials 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 229910052682 stishovite Inorganic materials 0.000 claims description 10
- 229910052905 tridymite Inorganic materials 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 230000014509 gene expression Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- JVTAAEKCZFNVCJ-REOHCLBHSA-N L-lactic acid Chemical compound C[C@H](O)C(O)=O JVTAAEKCZFNVCJ-REOHCLBHSA-N 0.000 claims description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 8
- 239000004310 lactic acid Substances 0.000 claims description 8
- 235000014655 lactic acid Nutrition 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 8
- 239000004115 Sodium Silicate Substances 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000005554 pickling Methods 0.000 claims description 7
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 239000002841 Lewis acid Substances 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 4
- 239000013543 active substance Substances 0.000 claims description 4
- NZZFYRREKKOMAT-UHFFFAOYSA-N diiodomethane Chemical compound ICI NZZFYRREKKOMAT-UHFFFAOYSA-N 0.000 claims description 4
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 150000007517 lewis acids Chemical class 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 4
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 4
- 239000001488 sodium phosphate Substances 0.000 claims description 4
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 4
- 229910000406 trisodium phosphate Inorganic materials 0.000 claims description 4
- 235000019801 trisodium phosphate Nutrition 0.000 claims description 4
- 230000005653 Brownian motion process Effects 0.000 claims description 3
- 238000005411 Van der Waals force Methods 0.000 claims description 3
- 238000005537 brownian motion Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 230000005251 gamma ray Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- PFPDWGGTEJAIIG-UHFFFAOYSA-L sodium nickel(2+) sulfate Chemical compound [Ni+2].S(=O)(=O)([O-])[O-].[Na+] PFPDWGGTEJAIIG-UHFFFAOYSA-L 0.000 claims description 3
- 238000004448 titration Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000032683 aging Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 239000003814 drug Substances 0.000 description 6
- 230000008021 deposition Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 229940079593 drug Drugs 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/1601—Process or apparatus
- C23C18/1633—Process of electroless plating
- C23C18/1655—Process features
- C23C18/1662—Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
- C23C18/1837—Multistep pretreatment
- C23C18/1844—Multistep pretreatment with use of organic or inorganic compounds other than metals, first
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1848—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by electrochemical pretreatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
- C23C18/34—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents
- C23C18/36—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron using reducing agents using hypophosphites
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
本发明涉及一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特点是:包括:对空冷器钢基铝翅片管束抗垢纳米复合镀层的设计、对空冷器钢基铝翅片管束抗垢纳米复合镀层的制备等内容,其方法科学合理,适用性强,效果佳。采用本发明方法可以延长钢基铝翅片管束的寿命,降低其腐蚀老化速率,节约成本,无需多次维护清洗,延长清洗周期,提升空冷器的效率。
Description
技术领域
本发明涉及空冷器钢基铝翅片管束,具体地说,是一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法。
背景技术
空冷凝汽器多应用于干燥缺水地区。环境湿度小,扬尘大,翅片易吸附灰尘颗粒,导致热阻增大,换热系数减小,从而降低空冷凝汽器效率。空冷器在冷凝过程中,由于空气中灰尘浓度大,翅片管通道内空气介质携带灰尘颗粒,容易吸附在铝翅片管内部,造成通道堵塞。灰尘对翅片管散热效率影响很大,需要用高压水流冲洗干净,对水资源是非常大的浪费。
现有技术对空冷器防垢防灰研究中,涂层防垢、表面改性等方面的研究略显匮乏,且由于翅片管结构特殊性,难以使空冷器钢基铝翅片管束得到性能优异的纳米复合镀层,迄今为止,尚未有将Ni-P复合镀层应用于空冷器翅片管束,并研究其对灰垢的抑制作用的文献报道和实际应用。
发明内容
本发明的构思基础为,基于DLVO理论空气中灰尘颗粒与翅片管束表面之间相互作用的分析方法,推导出影响翅片管束表面结垢的具体参数,影响结垢的主要参数是通过表面能及其分量计算得到,然后通过接触角测量仪得出表面和灰尘接触角,代入表面能计算公式得到表面和灰尘的表面能及其分量。在此理论基础上,采用无极镀层技术在翅片管束表面涂覆一层镀膜,以更改表面特征达到理论计算期望数值,使用不同种类镀层对表面进行改性,并测量了所用镀层的表面能及其分量。为了验证理论期望,进行模拟积灰实验。
本发明的目的是,克服现有技术的不足,提供一种科学合理,适用性强,效果佳的一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法。采用本发明方法可以延长钢基铝翅片管束的寿命,降低其腐蚀老化速率,。
实现本发明目的采用的技术方案是:一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于:它包括的内容有:
1)对空冷器钢基铝翅片管束抗垢纳米复合镀层的设计
①利用表面能优化计算理论,将灰尘在空气中与空冷器钢基铝翅片管束的翅片间总自由能表示为:
总相互作用力是颗粒与表面之间距离的函数,范德华作用力、静电双层作用力和路易斯酸碱作用力的具体表达式为:
式中,R为颗粒半径;H0为最小分离距离;H为颗粒与表面的分离距离;ε0为真空介电常数;ε为空气介电常数;ξ1为颗粒的Zeta电位;ξ2为表面的Zeta电位;λ为空气的相关分子长度;k为反向德比筛查长度;γ1 LW为颗粒的色散分量;γ2 LW为表面的色散分量;γ+为电子受体表面能分量;γ-为电子供体表面能分量;
②设计颗粒与表面的分离距离H为1nm,ξ1、ξ2均为-25mV,总相互作用力的大小则由范德华作用力和路易斯酸碱作用力决定,两者之和表示为:
定义SPrdf作为评价表面抗垢性能的参数,其具体表达式为:
表达式中影响SPrdf的因素为翅片管束的表面能参数,能够通过接触角测量仪获得表面接触角,然后通过表面能计算公式得出表面能及其分量,计算公式为:
由(8)式能够得到表面能中的色散分量γLW和极性分量中的γ+和γ-,极性分量γAB通过(9) 式计算得到:
式中,θ为接触角;L为liquid、液体;S为solid、固体;
需要三种已知表面能的液体进行接触角滴定,并每一种液体滴定10次取平均值作为表面实际接触角,取三种常见接触角测量液体,分别为水、乙二醇、丙三醇和二碘甲烷,分别测量其在镀层上的平均接触角,并计算各镀层的表面能及其分量;
2)对空冷器钢基铝翅片管束抗垢纳米复合镀层的制备
①超声波清洗,超声频率40K HZ,单位面积功率450~600W/m2去除翅片管束表面锈迹、浮灰等附着物,冷风吹干;
②碱洗除油,在配置好的碱洗液中,60~75℃浸泡2~3分钟;
③酸洗活化,在45%~55%浓度的硝酸溶液中浸泡5~15秒,去除表面杂质;
④引镀,用直流电源对翅片管束进行电引镀,翅片管束接负极,洁净镍板接正极,2~4V, 50~60mA/cm2电流强度下引镀2~4分钟;
⑤底层施镀,采用配置好的Ni-P底层施镀液,80~90℃施镀1~2小时;
⑥表层施镀,将2)步骤⑤镀完Ni-P底层的翅片管束取出,放入添加PTFE纳米颗粒组成的Ni-P-PTFE纳米颗粒表层镀液中,或将镀完Ni-P层的翅片管束取出,放入添加SiO2纳米颗粒的镀液中,80~90℃再次施镀1~2小时;
⑦将翅片管束在除盐水中冲洗,去除表面残留镀液,并放入150~200℃干燥箱中烘干1 小时,得到成品。
制备所述碱洗液:按氢氧化钠15~30g/L,磷酸三钠20~35g/L,碳酸钠15~30g/L,硅酸钠5~10g/L混合,温度60~75℃,搅拌时间2~3分钟制得。
制备所述酸洗液:使用45%~55%浓度的硝酸溶液,60~70%硝酸与水比例为10:3,酸蚀 5-15秒制得。
制备所述Ni-P底层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25 g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L混合,ph=4.5~5.0制得。
制备所述Ni-P-PTFE纳米颗粒表层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,CF4活性剂0.1~0.4g/L,100~300纳米、60%固含量的PTFE乳液0~25mL/L混合,ph=4.5~5.0制得。
制备所述Ni-P-SiO2纳米颗粒表层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,十二烷基苯磺酸钠5~10mg/L,OP-10 0.5~1g/L,15~25纳米的SiO2颗粒1~5g/L混合,ph=4.5~5.0制得。
本发明的一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法科学合理,适用性强,效果佳。其进一步的优点体现在:
一是测量了本发明中通过DLVO理论描述颗粒与表面之间的相互作用,并在空冷器运行环境下对其进行推导,得到一种适用于空气作为流体介质的情况下,颗粒与表面之间主要的相互作用力,最终得出参数SPrdf作为描述钢基铝翅片管束防垢性能指标,并以此指导钢基铝翅片管束表面镀层制备。实际应用中通过接触角测量仪获得接触角,计算每种镀层的表面能及其分量,代入公式得到各个镀层的SPrdf,结果表明Ni-P的SPrdf值最大,具有最好的抗垢效果,这是通过理论推导出的翅片管抗垢性能较优的涂层。本发明不仅可以应用于空冷器,还可应用于其他空气环境下灰尘防治领域,其只需要测量表面能及其分量即可指导镀层开发,找到效果最好的防垢镀层。
二是本发明通过化学镀技术在钢基铝翅片管束表面施镀Ni-P底层的基础上,再施镀 Ni-P-PTFE纳米颗粒表层或Ni-P-SiO2纳米颗粒表层,以此来改变表面特性,以达到理论期望。镀层不仅可以改变表面特性,还可以延长钢基铝翅片管束的寿命,降低其腐蚀老化速率,由于其有优良的抗垢性能,可以降低积灰量,从而使清洗频率降低,节约人力物力成本,又由于镀液成本很低,总体上具有可观的经济效益。钢基铝翅片管束表面改性防垢技术相较于其他灰垢清洗技术来说,节约时间成本,无需多次维护清洗,可大大延长清洗周期,提升空冷器效率。
附图说明
图1为本发明的空冷器钢基铝翅片管束抗垢纳米复合镀层的制备流程图;
图2为空冷器钢基铝翅片管束表面镀层结构示意图;
图3为不同镀层换热系数的下降趋势示意图;
图4为不同镀层的SPrdf值与换热系数下降百分比的对比图;
图中:1空冷器钢基铝翅片管束;2Ni-P底层;3Ni-P-PTFE纳米颗粒表层或Ni-P-SiO2纳米颗粒表层;4碳钢基管。
具体实施方式
本发明的一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,包括的内容有:
1)对空冷器钢基铝翅片管束抗垢纳米复合镀层的设计
①利用表面能优化计算理论,将灰尘在空气中与空冷器钢基铝翅片管束的翅片间总自由能表示为:
总相互作用力是颗粒与表面之间距离的函数,范德华作用力、静电双层作用力和路易斯酸碱作用力的具体表达式为:
式中,R为颗粒半径;H0为最小分离距离;H为颗粒与表面的分离距离;ε0为真空介电常数;ε为空气介电常数;ξ1为颗粒的Zeta电位;ξ2为表面的Zeta电位;λ为空气的相关分子长度;k为反向德比筛查长度;γ1 LW为颗粒的色散分量;γ2 LW为表面的色散分量;γ+为电子受体表面能分量;γ-为电子供体表面能分量;
②设计颗粒与表面的分离距离H为1nm,ξ1、ξ2均为-25mV,总相互作用力的大小则由范德华作用力和路易斯酸碱作用力决定,两者之和表示为:
定义SPrdf作为评价表面抗垢性能的参数,其具体表达式为:
表达式中影响SPrdf的因素为翅片管束的表面能参数,能够通过接触角测量仪获得表面接触角,然后通过表面能计算公式得出表面能及其分量,计算公式为:
由(8)式能够得到表面能中的色散分量γLW和极性分量中的γ+和γ-,极性分量γAB通过(9) 式计算得到:
式中,θ为接触角;L为liquid、液体;S为solid、固体;
需要三种已知表面能的液体进行接触角滴定,并每一种液体滴定10次取平均值作为表面实际接触角,取三种常见接触角测量液体,分别为水、乙二醇、丙三醇和二碘甲烷,分别测量其在镀层上的平均接触角,并计算各镀层的表面能及其分量;
2)对空冷器钢基铝翅片管束抗垢纳米复合镀层的制备
①超声波清洗,超声频率40K HZ,单位面积功率450~600W/m2去除翅片管束表面锈迹、浮灰等附着物,冷风吹干;
②碱洗除油,在配置好的碱洗液中,60~75℃浸泡2~3分钟;
③酸洗活化,在45%~55%浓度的硝酸溶液中浸泡5~15秒,去除表面杂质;
④引镀,用直流电源对翅片管束进行电引镀,翅片管束接负极,洁净镍板接正极,2~4V, 50~60mA/cm2电流强度下引镀2~4分钟;
⑤底层施镀,采用配置好的Ni-P底层施镀液,80~90℃施镀1~2小时;
⑥表层施镀,将2)步骤⑤镀完Ni-P底层的翅片管束取出,放入添加PTFE纳米颗粒组成的Ni-P-PTFE纳米颗粒表层镀液中,或将镀完Ni-P层的翅片管束取出,放入添加SiO2纳米颗粒的镀液中,80~90℃再次施镀1~2小时;
⑦将翅片管束在除盐水中冲洗,去除表面残留镀液,并放入150~200℃干燥箱中烘干1 小时,得到成品。
制备所述碱洗液:按氢氧化钠15~30g/L,磷酸三钠20~35g/L,碳酸钠15~30g/L,硅酸钠 5~10g/L混合,温度60~75℃,搅拌时间2~3分钟制得。
制备所述酸洗液:使用45%~55%浓度的硝酸溶液,60~70%硝酸与水比例为10:3,酸蚀 5-15秒制得。
制备所述Ni-P底层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25 g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L混合,ph=4.5~5.0制得。
制备所述Ni-P-PTFE纳米颗粒表层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,CF4活性剂0.1~0.4g/L,100~300纳米、60%固含量的PTFE乳液0~25mL/L混合,ph=4.5~5.0制得。
制备所述Ni-P-SiO2纳米颗粒表层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,十二烷基苯磺酸钠5~10mg/L,OP-10 0.5~1g/L,15~25纳米的SiO2颗粒1~5g/L混合,ph=4.5~5.0 制得。
具体实施例:
参照图2,空冷器钢基铝翅片管束由蛇形盘管1、Ni-P底层2、Ni-P-PTFE纳米颗粒表层 3或Ni-P-SiO2纳米颗粒表层、碳钢基管4组成。
参照图1和图2,对空冷器钢基铝翅片管束抗垢纳米复合镀层的制备
步骤一:选取超声频率为40K HZ,功率为160W的超声波仪器对钢基铝翅片管束样片进行清洗,时间为1~2小时,适当延长时间,直至表面锈渍、浮灰等附着物完全脱离,清洗之后用水流冲洗干净,冷风吹干备用。
步骤二:碱洗除油,在60~75℃的恒温水浴锅中对空冷器钢基铝翅片管束进行碱洗,去除空冷器钢基铝翅片管束表面氧化膜,碱洗液成分为:氢氧化钠15~30g/L,磷酸三钠20~35 g/L,碳酸钠15~30g/L,硅酸钠5~10g/L。将药品在除盐水中混合均匀后放入恒温水浴锅中加热至60~75℃,将空冷器钢基铝翅片管束倾斜放入碱洗液中,使空冷器钢基铝翅片管束孔隙完全接触到碱洗液,2~3分钟后取出空冷器钢基铝翅片管束,将其在60~75℃的除盐水中进行漂洗,清除表面残留药液,漂洗两次后完成碱洗除油。
步骤三:酸洗活化,将碱洗除油后的空冷器钢基铝翅片管束放入45%~55%浓度的硝酸溶液中浸泡5~15秒,硝酸溶液配制方法为:60%~70%浓硝酸与除盐水的比例为10:3,。将翅片管束反复浸入酸洗液中,使空冷器钢基铝翅片管束孔隙内能接触到酸洗液,直至表面无明显杂质。
步骤四:引镀,由于铝不会在镀液中自发开始反应,需要用直流电源对空冷器钢基铝翅片管束进行电引镀,空冷器钢基铝翅片管束接负极,洁净镍板接正极,2~4V,50~60mA/cm2电流强度下引镀2~4分钟,引镀液为:氯化镍10~25g/L,盐酸10~20mL/L。
步骤五:一次施镀,将完成电引镀的空冷器钢基铝翅片管束直接放入配置好的Ni-P底层施镀液中,水浴锅温度为80~90℃施镀1小时,Ni-P底层施镀液成分为:硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,ph=4.5~5.0。
步骤六:二次施镀,将镀完Ni-P底层的翅片管束取出,放入添加PTFE纳米颗粒组成的 Ni-P-PTFE纳米颗粒表层镀液中,或放入添加SiO2纳米颗粒的镀液中,80~90℃再次施镀1 小时。Ni-P-PTFE纳米颗粒表层镀液配置方法为:硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,CF4活性剂0.1~0.4g/L,100~300纳米、60%固含量的PTFE乳液(60%)0~25mL/L,ph=4.5~5.0。将药品溶解于溶液中后,加入PTFE乳液,搅拌均匀后放入超声波水槽中进行超声分散1小时,使PTFE颗粒完全均匀的分散于溶液中,超声波处理过后放入镀槽中加热至80~90℃准备二次施镀。Ni-P-SiO2纳米颗粒表层镀液配置方法为:硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,十二烷基苯磺酸钠5~10mg/L,OP-10 0.5~1g/L,15~25纳米的SiO2颗粒1~5g/L,ph=4.5~5.0。将药品溶于溶液中后,加热至60~70℃,然后加入OP-10,溶解后再加入SiO2颗粒,持续搅拌1 小时至粉末全部溶解,溶液均匀分散后加热至80~90℃准备二次施镀。
步骤七:空冷器钢基铝翅片管束完成二次施镀后,将空冷器钢基铝翅片管束在除盐水中冲洗,去除表面残留镀液,并放入150~200℃干燥箱中烘干1小时,蒸发表面水分,增强结合力,完成镀层。
固体基质上的表面自由能理论可以通过用Young方程测量接触角来获得:
γLcosθ=γS-γSL
其中γL实验测量的液体表面张力;θ是接触角;γS是固体的表面自由能,γSL是固/液的界面能。然而不能直接获得γSL,需要一种估计它的方法。Van oss等人提出了一种估算固液界面自由能的方法。液体或固体的表面张力可以作为Lifshitz-ven der waals组分和路易斯酸碱组分的总和,即:
γ=γLW+γAB
其中γLW是Lifshitz-ven der waals分量;γAB是路易斯极性分量,也称为电子受体γ+和电子给体相互作用γ-。它可以通过电子受体组分γ+和电子给体组分γ-的几何平均值得到:
γAB=2(γ+γ-)1/2
固液界面能可以通过以下方式制定:
通过组合杨方程得到接触角和表面能之间的关系:
因此需要三种液体的接触角,且表面能及其组分在固体上是已知的,并且两种液体至少是极性的。
测量液体分别为极性的水,乙二醇,丙三醇,非极性液体为二碘甲烷。首先将样片用除盐水冲洗,去除表面杂质,再用无水乙醇浸泡15分钟除去表面油脂,取出样片后吸干表面酒精,并在下方垫载玻片,放置在接触角测量仪平台中央,测量液滴边缘在固体表面形成的夹角,左侧与右侧接触角取平均值作为这一次的测量结果,每一种液体测量10次,取平均值作为该液体在固体表面的接触角,并计算得出不同镀层的表面能及分量。并根据各个镀层的表面能及其分量得到不同的SPrdf值。
在积灰动态模拟实验系统上对空冷器钢基铝翅片管束及其纳米复合镀层进行了抗垢性能模拟实验,定量分析了不同纳米复合镀层对抗垢性能、换热能力的影响,获取空冷器钢基铝翅片管束水温,风温等运行数据,计算出表征空冷器钢基铝翅片管束换热能力的换热系数和灰垢热阻,得出换热系数下降趋势,并作图分析镀层对积灰过程的影响。参照图3和图4,表明空冷器钢基铝翅片管束表面抗垢纳米复合镀层可以有效降低积灰对换热能力下降的影响,可以抑制灰尘在空冷器钢基铝翅片管束表面的吸附,减少灰垢量。与空冷器钢基铝翅片管束换热系数下降22.66%比较,Ni-P镀层的换热系数下降5.60%,其抗垢性能提升了75.30%; Ni-P-PTFE(9.2%)、Ni-P-PTFE(11.4%)、Ni-P-PTFE(21.9%)、Ni-P-PTFE(23.9%)镀层中PTFE 纳米颗粒质量占比分别为9.2%、11.4%、21.9%、23.9%,换热系数分别下降11.03%、16.14%、 14.31%、12.07%,抗垢性能分别提升了51.32%、28.77%、36.84%、46.71%。这表明在灰尘吸附过程中,Ni-P镀层抑制了灰尘的吸附,具有较优的抗垢性能,很好的验证了抗垢纳米复合镀层的设计制备方法的可靠性、有效性。
参照图4,随着SPrdf增大,换热系数的下降值越小,两者呈负相关,且SPrdf决定于表面能参数,可通过施镀纳米复合镀层修饰表面,调节表面能参数。对于一定的空气环境条件下,可应用钢基铝翅片管束空冷器抗垢纳米复合镀层的设计制备方法,增加抗垢纳米复合镀层的 SPrdf值,实现抗垢性能指标。
本发明的实施例仅用于对本发明作进一步的说明,并非穷举,并不构成对权利要求保护范围的限定,本领域技术人员根据本发明实施例获得的启示,不经过创造性劳动就能够想到其它实质上等同的替代,均在本发明保护范围内。
Claims (6)
1.一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于:它包括的内容有:
1)对空冷器钢基铝翅片管束抗垢纳米复合镀层的设计
①利用表面能优化计算理论,将灰尘在空气中与空冷器钢基铝翅片管束的翅片间总自由能表示为:
总相互作用力是颗粒与表面之间距离的函数,范德华作用力、静电双层作用力和路易斯酸碱作用力的具体表达式为:
式中,R为颗粒半径;H0为最小分离距离;H为颗粒与表面的分离距离;ε0为真空介电常数;ε为空气介电常数;ξ1为颗粒的Zeta电位;ξ2为表面的Zeta电位;λ为空气的相关分子长度;k为反向德比筛查长度;γ1 LW为颗粒的色散分量;γ2 LW为表面的色散分量;γ+为电子受体表面能分量;γ-为电子供体表面能分量;
②设计颗粒与表面的分离距离H为1nm,ξ1、ξ2均为-25mV,总相互作用力的大小则由范德华作用力和路易斯酸碱作用力决定,两者之和表示为:
定义SPrdf作为评价表面抗垢性能的参数,其具体表达式为:
表达式中影响SPrdf的因素为翅片管束的表面能参数,能够通过接触角测量仪获得表面接触角,然后通过表面能计算公式得出表面能及其分量,计算公式为:
由(8)式能够得到表面能中的色散分量γLW和极性分量中的γ+和γ-,极性分量γAB通过(9)式计算得到:
式中,θ为接触角;L为liquid、液体;S为solid、固体;
需要三种已知表面能的液体进行接触角滴定,并每一种液体滴定10次取平均值作为表面实际接触角,取三种常见接触角测量液体,分别为水、乙二醇和二碘甲烷,分别测量其在镀层上的平均接触角,并计算各镀层的表面能及其分量;
2)对空冷器钢基铝翅片管束抗垢纳米复合镀层的制备
①超声波清洗,超声频率40K HZ,单位面积功率450~600W/m2去除翅片管束表面锈迹、浮灰附着物,冷风吹干;
②碱洗除油,在配置好的碱洗液中,60~75℃浸泡2~3分钟;
③酸洗活化,在45%~55%浓度的硝酸溶液中浸泡5~15秒,去除表面杂质;
④引镀,用直流电源对翅片管束进行电引镀,翅片管束接负极,洁净镍板接正极,2~4V,50~60mA/cm2电流强度下引镀2~4分钟;
⑤底层施镀,采用配置好的Ni-P底层施镀液,80~90℃施镀1~2小时;
⑥表层施镀,将2)步骤⑤镀完Ni-P底层的翅片管束取出,放入添加PTFE纳米颗粒组成的Ni-P-PTFE纳米颗粒表层施镀液中,或将镀完Ni-P层的翅片管束取出,放入添加SiO2纳米颗粒的施镀液中,80~90℃再次施镀1~2小时;
⑦将翅片管束在除盐水中冲洗,去除表面残留镀液,并放入150~200℃干燥箱中烘干1小时,得到成品。
2.根据权利要求1所述的空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于,制备所述碱洗液:按氢氧化钠15~30g/L,磷酸三钠20~35g/L,碳酸钠15~30g/L,硅酸钠5~10g/L混合,温度60~75℃,搅拌时间2~3分钟制得。
3.根据权利要求1所述的空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于,制备所述硝酸溶液:使用45%~55%浓度的硝酸溶液,60~70%硝酸与水比例为10:3,酸蚀5-15秒制得。
4.根据权利要求1所述的空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于,制备所述Ni-P底层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L混合,ph=4.5~5.0制得。
5.根据权利要求1所述的空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于,制备所述Ni-P-PTFE纳米颗粒表层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,CF4活性剂0.1~0.4g/L,100~300纳米、60%固含量的PTFE乳液0~25mL/L混合,ph=4.5~5.0制得。
6.根据权利要求1所述的空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法,其特征在于,制备Ni-P-SiO2纳米颗粒表层施镀液:按硫酸镍15~30g/L,次亚磷酸钠15~30g/L,柠檬酸钠15~25g/L,无水乙酸钠15~25g/L,甘氨酸0.5~1g/L,乳酸5~10mL/L,十二烷基苯磺酸钠5~10mg/L,OP-100.5~1g/L,15~25纳米的SiO2颗粒1~5g/L混合,ph=4.5~5.0制得。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911262285.5A CN111046553B (zh) | 2019-12-11 | 2019-12-11 | 一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201911262285.5A CN111046553B (zh) | 2019-12-11 | 2019-12-11 | 一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111046553A CN111046553A (zh) | 2020-04-21 |
CN111046553B true CN111046553B (zh) | 2021-11-26 |
Family
ID=70235547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201911262285.5A Active CN111046553B (zh) | 2019-12-11 | 2019-12-11 | 一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN111046553B (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111618668A (zh) * | 2020-06-16 | 2020-09-04 | 岳阳凯美特电子特种稀有气体有限公司 | 充装高纯卤素混配气钢瓶内壁的处理方法及所用抛光剂 |
CN112593218B (zh) * | 2020-12-12 | 2023-08-08 | 中核检修有限公司 | 一种防海生物污染的复合微纳结构镀层的制备方法 |
CN114016009B (zh) * | 2021-11-09 | 2022-05-24 | 东北电力大学 | 一种Ni-P-PFA-SiO2纳米复合镀层及其制备方法 |
CN114318446B (zh) * | 2021-12-29 | 2022-12-16 | 东北电力大学 | 一种空冷凝汽器表面抗积灰镀层的制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105420702A (zh) * | 2015-11-17 | 2016-03-23 | 中国石油天然气集团公司 | 一种高磷化学镀Ni-P-PTFE憎水镀层及其制备方法 |
CN106350790A (zh) * | 2016-09-05 | 2017-01-25 | 江苏大学 | 碳钢表面高效能抗垢防腐蚀复合镀层的制备方法 |
CN106958013A (zh) * | 2017-03-24 | 2017-07-18 | 东北电力大学 | 一种化学镀Ni‑P‑PTFE复合镀层制备工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10509313B2 (en) * | 2016-06-28 | 2019-12-17 | Canon Kabushiki Kaisha | Imprint resist with fluorinated photoinitiator and substrate pretreatment for reducing fill time in nanoimprint lithography |
US10570518B2 (en) * | 2016-08-03 | 2020-02-25 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Composite plating film |
KR101900793B1 (ko) * | 2017-06-08 | 2018-09-20 | 주식회사 풍산 | 전기·전자, 자동차 부품용 동합금의 주석 도금 방법 및 이로부터 제조된 동합금의 주석 도금재 |
-
2019
- 2019-12-11 CN CN201911262285.5A patent/CN111046553B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105420702A (zh) * | 2015-11-17 | 2016-03-23 | 中国石油天然气集团公司 | 一种高磷化学镀Ni-P-PTFE憎水镀层及其制备方法 |
CN106350790A (zh) * | 2016-09-05 | 2017-01-25 | 江苏大学 | 碳钢表面高效能抗垢防腐蚀复合镀层的制备方法 |
CN106958013A (zh) * | 2017-03-24 | 2017-07-18 | 东北电力大学 | 一种化学镀Ni‑P‑PTFE复合镀层制备工艺 |
Non-Patent Citations (3)
Title |
---|
Ni-P-PTFE 镀层表面黏液形成菌的污垢特性;徐志明 等;《表面技术》;20160430;第45卷(第4期);第10-16页 * |
Ni-Sn-P复合镀层的组织结构与抗垢性能研究;朱宸煜 等;《腐蚀科学与防护技术》;20190531;第31卷(第3期);第257-262页 * |
Surface free energies of electroless Ni–P based composite coatings;Q. Zhao 等;《Applied Surface Science》;20050215;第240卷;第441-451页 * |
Also Published As
Publication number | Publication date |
---|---|
CN111046553A (zh) | 2020-04-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111046553B (zh) | 一种空冷器钢基铝翅片管束抗垢纳米复合镀层的设计制备方法 | |
Zhang et al. | The changes induced by pH in TiO2/water nanofluids: Stability, thermophysical properties and thermal performance | |
Chen et al. | Preparation and anti-corrosion performance of superhydrophobic silane/graphene oxide composite coating on copper | |
CN109836919B (zh) | 一种功能化氧化石墨烯防腐涂层及其制备工艺 | |
WO2022100361A1 (zh) | 涂料及其制备方法、换热器及换热器的处理方法 | |
Ali et al. | Techniques for the fabrication of super-hydrophobic surfaces and their heat transfer applications | |
CN107964294B (zh) | 一种含有微纳米复合填料的pfa涂层及其制备方法 | |
RU2685094C1 (ru) | Способ обеспечения теплопереноса между металлическим или неметаллическим изделием и жидким теплоносителем | |
RU2700053C1 (ru) | Способ обеспечения теплопереноса между металлическим или неметаллическим изделием и жидким теплоносителем | |
CN102390936A (zh) | 耐腐蚀自清洁涂层的制备方法 | |
CN104176781A (zh) | 片状纳米二硫化钼材料和纳米复合金属防腐涂层材料及其制备方法 | |
JP2015048534A (ja) | 皮膜、コーティング方法、及び被覆物品 | |
Zhijin et al. | Fabrication of super hydrophobic surfaces on copper by solution-immersion | |
Zhang et al. | Fabrication of anodized superhydrophobic 5083 aluminum alloy surface for marine anti-corrosion and anti-biofouling | |
Saleh et al. | Synthesis of vinyl trimethyl silane and acrylic acid modified silica nanoparticles as corrosion inhibition protocols in saline medium | |
Wang et al. | Highly reliable double-layer coatings on magnesium alloy surfaces for robust superhydrophobicity, chemical durability and electrical property | |
Li et al. | Fabrication of a Ni/SiC composite coating on steel surface with excellent corrosion inhibition performance | |
CN106989619A (zh) | 一种基于聚苯胺复合防护层的散热器 | |
Chen et al. | Multi-functional and durable anti-corrosion coatings with hydrophobic, freeze time retardation and photothermal properties by means of a simple spraying method | |
JP2010163641A (ja) | 表面処理金属材料および金属表面処理方法 | |
CN115926586B (zh) | 一种环氧导热防腐涂料及其制备方法 | |
CN108906547A (zh) | 一种超双疏纳米复合涂层的喷涂制备方法 | |
JP2000239895A (ja) | 撥水性に優れたアルミニウム表面処理材及びその製造方法 | |
Li et al. | Study of nano-ZnO improvement of the mechanical properties and corrosion resistance of modified-SiO 2/PTFE superhydrophobic nanocomposite coatings by one-step spraying | |
Diao et al. | Mid-temperature stability of oil-based WO2. 9 nanofluids modified with hexadecyl trimethoxysilane: Experimental research |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |