CN110804736A - Anticorrosion process for cable bridge - Google Patents
Anticorrosion process for cable bridge Download PDFInfo
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- CN110804736A CN110804736A CN201910915083.XA CN201910915083A CN110804736A CN 110804736 A CN110804736 A CN 110804736A CN 201910915083 A CN201910915083 A CN 201910915083A CN 110804736 A CN110804736 A CN 110804736A
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- 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
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
- C23F1/10—Etching compositions
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/20—Acidic compositions for etching aluminium or alloys thereof
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F3/00—Changing the physical structure of non-ferrous metals or alloys by special physical methods, e.g. treatment with neutrons
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- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/07—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing phosphates
- C23C22/08—Orthophosphates
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
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- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Thermal Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lubricants (AREA)
Abstract
The invention discloses an anticorrosion process of a cable bridge, which comprises the following steps: step one, preparing a uniformly dispersed pore forming agent: adding a pore-forming agent magnesium sulfate into a phosphoric acid solution, then adjusting the pH value to 5.5, then adding sodium alginate, stirring at a low speed of 200r/min for 20min, then adding PEG-60 sorbitan stearate and ammonium laureth sulfate, continuing stirring for 10min, and obtaining the uniformly-dispersed pore-forming agent after stirring. The pore-forming agent magnesium sulfate firstly provides an acid environment through a phosphoric acid solution medium, so that the pore-forming number and the pore-forming effect on the cable bridge base material are improved, the addition of sodium alginate has the effect of cooperatively matching PEG-60 sorbitan stearate and ammonium laureth sulfate, and the ammonium laureth sulfate can activate the surface of the base material.
Description
Technical Field
The invention relates to the technical field of cable bridges, in particular to an anti-corrosion process of a cable bridge.
Background
The cable bridge is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and comprises a support, a supporting arm, an installation accessory and the like. The inner bridge frame of the building can be independently erected and can also be attached to various buildings and pipe rack supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like are reflected, all parts need to be galvanized, and the inner bridge frame is installed on an outdoor bridge frame outside the building. The aluminum alloy cable bridge has the advantages of simple structure, novel style, large load, light weight, corrosion resistance, long service life, convenient installation, suitability for general environmental areas, capability of displaying the unique corrosion resistance of the aluminum alloy cable bridge in coastal fog areas, high humidity and corrosive environments.
The existing aluminum alloy cable bridge frame anticorrosion process mostly adopts a spraying method for anticorrosion, although a spraying layer can play an anticorrosion effect, the spraying layer is easy to fall off, and meanwhile, the cable bridge frame construction adopting the spraying process is troublesome, so that the anticorrosion process of the cable bridge frame is limited.
Disclosure of Invention
The invention aims to provide an anticorrosion process for a cable bridge, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an anticorrosion process for a cable bridge comprises the following steps:
step one, preparing a uniformly dispersed pore forming agent: adding a pore-forming agent magnesium sulfate into a phosphoric acid solution, then adjusting the pH value to 5.5, then adding sodium alginate, stirring at a low speed of 200r/min for 20min, then adding PEG-60 sorbitan stearate and ammonium laureth sulfate, continuing stirring for 10min, and obtaining a uniformly-dispersed pore-forming agent after stirring;
step two, surface treatment of the cable bridge base material: performing thermal homogenization treatment on the cable bridge base material, and placing the cable bridge in a thermostat with the temperature of 45-55 ℃ for later use;
step three, pore-forming of the cable bridge base material: sending the cable bridge base material obtained in the step two into the uniform dispersion pore-forming agent in the step one, firstly stirring for 50-60min at a low rotating speed of 210-250r/min, then carrying out high-speed stirring treatment under a high pressure condition of 10-20MPa, finishing stirring, then repeating thermal bath vibration treatment, and finishing thermal bath vibration;
step four, modifying wollastonite: grinding needle-shaped wollastonite, sieving the ground needle-shaped wollastonite with a sieve of 10-20 meshes, adding a sodium bicarbonate solution, reacting for 20min, centrifuging, drying, then sending the mixture into an ethanol solution, ultrasonically dispersing for 10-20min, then adding acrylate, nano titanium dioxide and polytetrafluoroethylene, continuously stirring for 30min at the rotating speed of 300r/min, and obtaining modified wollastonite after the reaction is finished;
inserting the modified wollastonite into a cable bridge base material: and (3) feeding the cable bridge base material with the pore formed in the third step into a phosphoric acid solution with the mass fraction of 10%, then adding the modified wollastonite in the fourth step, stirring at the stirring temperature of 75 ℃ for 8-12h at the rotating speed of 150-250r/min, and then carrying out cold bath oscillation treatment after stirring.
Preferably, the specific steps of thermal homogenization are: heating the cable bridge base material to 60-110 ℃, then increasing the temperature to 260 ℃ at the speed of 1 ℃/min, then preserving the temperature for 30min, and finally reducing the temperature to room temperature at the speed of 2-5 ℃/min.
Preferably, the cable bridge base material is adopted in the heat preservation process60And (4) performing Co-r ray irradiation treatment.
Preferably, the60The specific steps of Co-r ray irradiation treatment are as follows: irradiating for 10-20s every 5min for 30min, wherein the irradiation dose is 3-6KGy each time.
Preferably, the conditions of the high-speed stirring treatment in the third step are that the stirring rotating speed is 1300-1500r/min, and the stirring time is 30-40 min.
Preferably, the condition of the thermal bath oscillation treatment in the third step is that ultrasonic oscillation is carried out in a water bath at the temperature of 80-90 ℃ for 10-20min at high power of 160-200W.
Preferably, the condition of the cold bath oscillation treatment in the fifth step is that ultrasonic oscillation is carried out for 25-35min in ice at-5 ℃ with low power of 20-40W.
Compared with the prior art, the invention has the following beneficial effects:
(1) the pore-forming agent magnesium sulfate firstly provides an acid environment through a phosphoric acid solution medium, so that the pore-forming number and the pore-forming effect on the cable bridge base material are improved, the sodium alginate is added to play a role in cooperatively matching PEG-60 sorbitan stearate and ammonium laureth sulfate, the ammonium laureth sulfate can activate the surface of the base material, and the PEGThe-60 sorbitan stearate is thoroughly moistened to the surface of the base material, so that the pore forming is convenient, the uniformity of the pore forming is improved, the base material is subjected to heat homogenization to achieve an activation effect, a surface microstructure plays a uniform dispersion effect, and the uniform dispersion pore forming effect is achieved by combining with a uniform dispersion pore forming agent60Co-r ray irradiation further improves the porosity and the mean divergence of the tissue structure.
(2) The modified wollastonite adopts needle-shaped wollastonite as a main agent, is modified by acrylate, nano titanium dioxide and polytetrafluoroethylene, and then reacts with a pore-forming substrate, so that the needle-shaped wollastonite with a needle-shaped structure is inserted into the substrate, and an anti-corrosion layer is formed on the surface of the substrate and integrated with the substrate, so that the modified wollastonite has a firm structure and a stronger anti-corrosion effect.
(3) The purpose of hot bath shock treatment of the cable bridge base material in pore forming is to enable the organization structure of the base material to become more loose under the heating condition, facilitate pore forming of a pore forming agent and improve the pore forming effect, and the purpose of cold bath shock treatment is to enable the base material to shrink under cooling after the needle-shaped wollastonite is inserted into the base material, so that the composite structure is more stable.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the anti-corrosion process for the cable bridge frame comprises the following steps:
step one, preparing a uniformly dispersed pore forming agent: adding a pore-forming agent magnesium sulfate into a phosphoric acid solution, then adjusting the pH value to 5.5, then adding sodium alginate, stirring at a low speed of 200r/min for 20min, then adding PEG-60 sorbitan stearate and ammonium laureth sulfate, continuing stirring for 10min, and obtaining a uniformly-dispersed pore-forming agent after stirring;
step two, surface treatment of the cable bridge base material: performing thermal homogenization treatment on the cable bridge base material, and placing the cable bridge in a thermostat at 45 ℃ for later use;
step three, pore-forming of the cable bridge base material: feeding the cable bridge base material obtained in the step two into the uniform-dispersion pore-forming agent obtained in the step one, firstly stirring at a low rotating speed of 210r/min for 50min, then carrying out high-speed stirring treatment under a high pressure condition of 10MPa, finishing stirring, then repeating heat bath vibration treatment, and finishing heat bath vibration;
step four, modifying wollastonite: grinding needle-shaped wollastonite, sieving with a 10-mesh sieve, adding a sodium bicarbonate solution, reacting for 20min, centrifuging, drying, ultrasonically dispersing in an ethanol solution for 10min, adding acrylate, nano titanium dioxide and polytetrafluoroethylene, continuously stirring at the rotating speed of 300r/min for 30min, and reacting to obtain modified wollastonite;
inserting the modified wollastonite into a cable bridge base material: and (3) feeding the cable bridge base material with the holes formed in the third step into a phosphoric acid solution with the mass fraction of 10%, then adding the modified wollastonite in the fourth step, stirring at the stirring temperature of 75 ℃ for 8 hours at the rotating speed of 1500r/min, and then carrying out cold bath oscillation treatment after stirring.
The specific steps of thermal homogenization in this example are: the cable bridge base material is heated to 60 ℃, then the temperature is increased to 260 ℃ at the speed of 1 ℃/min, then the temperature is kept for 30min, and finally the temperature is reduced to the room temperature at the speed of 2 ℃/min.
The cable bridge frame base material of the embodiment adopts the heat preservation process60And (4) performing Co-r ray irradiation treatment.
Of the present embodiment60The specific steps of Co-r ray irradiation treatment are as follows: irradiating for 10s every 5min for 30min, wherein the irradiation dose is 3KGy each time.
In the third step of this example, the conditions of the high-speed stirring treatment are that the stirring speed is 1300r/min, and the stirring time is 30 min.
The condition of the thermal bath oscillation treatment in the third step of this example is to perform ultrasonic oscillation for 10min in a water bath at 80 ℃ with a high power of 160W.
In the fifth step of this example, the condition of the cold bath oscillation treatment is to perform ultrasonic oscillation in ice at-5 ℃ for 25-35min with a low power of 20W.
Example 2:
the anti-corrosion process for the cable bridge frame comprises the following steps:
step one, preparing a uniformly dispersed pore forming agent: adding a pore-forming agent magnesium sulfate into a phosphoric acid solution, then adjusting the pH value to 5.5, then adding sodium alginate, stirring at a low speed of 200r/min for 20min, then adding PEG-60 sorbitan stearate and ammonium laureth sulfate, continuing stirring for 10min, and obtaining a uniformly-dispersed pore-forming agent after stirring;
step two, surface treatment of the cable bridge base material: performing thermal homogenization treatment on the cable bridge base material, and placing the cable bridge in a thermostat at 55 ℃ for later use;
step three, pore-forming of the cable bridge base material: feeding the cable bridge base material obtained in the step two into the uniform-dispersion pore-forming agent obtained in the step one, firstly stirring at a low rotating speed of 250r/min for 60min, then carrying out high-speed stirring treatment under a high pressure condition of 20MPa, finishing stirring, then repeating heat bath vibration treatment, and finishing heat bath vibration;
step four, modifying wollastonite: grinding needle-shaped wollastonite, sieving with a 20-mesh sieve, adding a sodium bicarbonate solution, reacting for 20min, centrifuging, drying, ultrasonically dispersing in an ethanol solution for 20min, adding acrylate, nano titanium dioxide and polytetrafluoroethylene, continuously stirring at the rotating speed of 300r/min for 30min, and reacting to obtain modified wollastonite;
inserting the modified wollastonite into a cable bridge base material: and (3) feeding the cable bridge base material with the holes formed in the third step into a phosphoric acid solution with the mass fraction of 10%, then adding the modified wollastonite in the fourth step, stirring at the stirring temperature of 75 ℃ for 12 hours at the rotating speed of 250r/min, and then carrying out cold bath oscillation treatment after stirring.
The specific steps of thermal homogenization in this example are: the cable bridge substrate was heated to 110 deg.C, then heated to 260 deg.C at a rate of 1 deg.C/min, then held for 30min, and finally cooled to room temperature at a rate of 5 deg.C/min.
The cable bridge frame base material of the embodiment adopts the heat preservation process60And (4) performing Co-r ray irradiation treatment.
Of the present embodiment60The specific steps of Co-r ray irradiation treatment are as follows: irradiating for 20s every 5min for 30min, wherein the irradiation dose is 6 KGy.
In the third step of this example, the conditions of the high-speed stirring treatment are that the stirring speed is 1500r/min, and the stirring time is 40 min.
The condition of the thermal bath oscillation treatment in the third step of this example is to perform ultrasonic oscillation for 20min in a water bath at 90 ℃ with a high power of 200W.
In the fifth step of this example, the condition of the cold bath shaking treatment is to perform ultrasonic shaking for 35min in ice at-5 ℃ and low power of 40W.
Example 3:
the anti-corrosion process for the cable bridge frame comprises the following steps:
step one, preparing a uniformly dispersed pore forming agent: adding a pore-forming agent magnesium sulfate into a phosphoric acid solution, then adjusting the pH value to 5.5, then adding sodium alginate, stirring at a low speed of 200r/min for 20min, then adding PEG-60 sorbitan stearate and ammonium laureth sulfate, continuing stirring for 10min, and obtaining a uniformly-dispersed pore-forming agent after stirring;
step two, surface treatment of the cable bridge base material: performing thermal homogenization treatment on the cable bridge base material, and placing the cable bridge in a thermostat at 50 ℃ for later use;
step three, pore-forming of the cable bridge base material: feeding the cable bridge base material obtained in the step two into the uniform-dispersion pore-forming agent obtained in the step one, firstly stirring at a low rotating speed of 230r/min for 55min, then carrying out high-speed stirring treatment under a high pressure condition of 15MPa, finishing stirring, then repeating heat bath vibration treatment, and finishing heat bath vibration;
step four, modifying wollastonite: grinding needle-shaped wollastonite, sieving with a 15-mesh sieve, adding a sodium bicarbonate solution, reacting for 20min, centrifuging, drying, ultrasonically dispersing in an ethanol solution for 15min, adding acrylate, nano titanium dioxide and polytetrafluoroethylene, continuously stirring at the rotating speed of 300r/min for 30min, and reacting to obtain modified wollastonite;
inserting the modified wollastonite into a cable bridge base material: and (3) feeding the cable bridge base material with the holes formed in the third step into a phosphoric acid solution with the mass fraction of 10%, then adding the modified wollastonite in the fourth step, stirring at the stirring temperature of 75 ℃ for 10 hours at the rotating speed of 200r/min, and then carrying out cold bath oscillation treatment after stirring.
The specific steps of thermal homogenization in this example are: the cable bridge substrate was heated to 85 deg.C, then the temperature was raised to 260 deg.C at a rate of 1 deg.C/min, then held for 30min, and finally cooled to room temperature at a rate of 3.5 deg.C/min.
The cable bridge frame base material of the embodiment adopts the heat preservation process60And (4) performing Co-r ray irradiation treatment.
Of the present embodiment60The specific steps of Co-r ray irradiation treatment are as follows: irradiating for 15s every 5min for 30min, wherein the irradiation dose is 4.5KGy each time.
In the third step of this example, the conditions of the high-speed stirring treatment are the stirring speed 1400r/min and the stirring time 35 min.
The condition of the thermal bath oscillation treatment in the third step of this example is to perform ultrasonic oscillation for 15min in a water bath at 85 ℃ with a high power of 180W.
In the fifth step of this example, the condition of the cold bath shaking treatment is to perform ultrasonic shaking for 30min in ice at-5 ℃ and with a low power of 30W.
Comparative example 1:
the material and the preparation process are basically the same as those of the embodiment 3, except that the existing spraying process is adopted to spray the acrylate, nano titanium dioxide and polytetrafluoroethylene anticorrosive paint on the cable bridge.
According to GB/T12967.3-2008 simulated atmospheric corrosion environment, the corrosion performance of the cable bridge is analyzed, the cable bridge prepared in example 1-and comparative example 1 is soaked in a sodium chloride solution with pH of 4.0 and concentration of 2% for 24h, and then taken out, dried and detected to the maximum corrosion depth of the base material.
The examples 1 to 3 and comparative example 1 were subjected to the performance test according to the above test standards, and the test results are shown in Table 1
| Group of | Maximum depth of corrosion (um) |
| Example 1 | 0.245 |
| Example 2 | 0.234 |
| Example 3 | 0.221 |
| Comparative example 1 | 3.891 |
TABLE 1
The corrosion prevention process disclosed by the invention has excellent corrosion prevention effect and can improve the corrosion prevention capability of the cable bridge frame
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. An anticorrosion process for a cable bridge is characterized by comprising the following steps:
step one, preparing a uniformly dispersed pore forming agent: adding a pore-forming agent magnesium sulfate into a phosphoric acid solution, then adjusting the pH value to 5.5, then adding sodium alginate, stirring at a low speed of 200r/min for 20min, then adding PEG-60 sorbitan stearate and ammonium laureth sulfate, continuing stirring for 10min, and obtaining a uniformly-dispersed pore-forming agent after stirring;
step two, surface treatment of the cable bridge base material: performing thermal homogenization treatment on the cable bridge base material, and placing the cable bridge in a thermostat with the temperature of 45-55 ℃ for later use;
step three, pore-forming of the cable bridge base material: sending the cable bridge base material obtained in the step two into the uniform dispersion pore-forming agent in the step one, firstly stirring for 50-60min at a low rotating speed of 210-250r/min, then carrying out high-speed stirring treatment under a high pressure condition of 10-20MPa, finishing stirring, then repeating thermal bath vibration treatment, and finishing thermal bath vibration;
step four, modifying wollastonite: grinding needle-shaped wollastonite, sieving the ground needle-shaped wollastonite with a sieve of 10-20 meshes, adding a sodium bicarbonate solution, reacting for 20min, centrifuging, drying, then sending the mixture into an ethanol solution, ultrasonically dispersing for 10-20min, then adding acrylate, nano titanium dioxide and polytetrafluoroethylene, continuously stirring for 30min at the rotating speed of 300r/min, and obtaining modified wollastonite after the reaction is finished;
inserting the modified wollastonite into a cable bridge base material: and (3) feeding the cable bridge base material with the pore formed in the third step into a phosphoric acid solution with the mass fraction of 10%, then adding the modified wollastonite in the fourth step, stirring at the stirring temperature of 75 ℃ for 8-12h at the rotating speed of 150-250r/min, and then carrying out cold bath oscillation treatment after stirring.
2. The process for preventing corrosion of a cable tray according to claim 1, wherein the thermal homogenization comprises the following steps: heating the cable bridge base material to 60-110 ℃, then increasing the temperature to 260 ℃ at the speed of 1 ℃/min, then preserving the temperature for 30min, and finally reducing the temperature to room temperature at the speed of 2-5 ℃/min.
3. The process for preventing corrosion of a cable bridge stand according to claim 2, wherein the cable bridge stand base material is adopted in the heat preservation process60And (4) performing Co-r ray irradiation treatment.
4. The process for preventing corrosion of a cable tray according to claim 3, wherein the process comprises60The specific steps of Co-r ray irradiation treatment are as follows: irradiating for 10-20s every 5min for 30min, wherein the irradiation dose is 3-6KGy each time.
5. The anti-corrosion process for the cable bridge stand as claimed in claim 1, wherein the conditions of the high-speed stirring treatment in the third step are 1300-1500r/min of stirring speed, and the stirring time is 30-40 min.
6. The process for corrosion prevention of a cable bridge stand as claimed in claim 1, wherein the conditions of the thermal bath oscillation treatment in the third step are ultrasonic oscillation in a water bath at 80-90 ℃ and high power of 160 and 200W for 10-20 min.
7. The process for preventing corrosion of a cable bridge stand according to claim 1, wherein the condition of the step five cold bath oscillation treatment is ultrasonic oscillation at a low power of 20-40W in ice at-5 ℃ for 25-35 min.
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Citations (4)
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|---|---|---|---|---|
| JP2000064057A (en) * | 1998-08-21 | 2000-02-29 | Stc:Kk | Surface treatment method of magnesium material or magnesium alloy material |
| CN101250638A (en) * | 2007-02-21 | 2008-08-27 | 德普伊产品公司 | Porous metal foam structures and methods |
| WO2015023660A1 (en) * | 2013-08-12 | 2015-02-19 | Latitude 18, Inc. | Inorganic phosphate corrosion resistant coatings |
| CN107326208A (en) * | 2017-06-20 | 2017-11-07 | 西安理工大学 | A kind of foam magnesium or foam aluminum alloy and preparation method thereof |
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2019
- 2019-09-26 CN CN201910915083.XA patent/CN110804736A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064057A (en) * | 1998-08-21 | 2000-02-29 | Stc:Kk | Surface treatment method of magnesium material or magnesium alloy material |
| CN101250638A (en) * | 2007-02-21 | 2008-08-27 | 德普伊产品公司 | Porous metal foam structures and methods |
| WO2015023660A1 (en) * | 2013-08-12 | 2015-02-19 | Latitude 18, Inc. | Inorganic phosphate corrosion resistant coatings |
| CN107326208A (en) * | 2017-06-20 | 2017-11-07 | 西安理工大学 | A kind of foam magnesium or foam aluminum alloy and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 肖健 等: "《泡沫钛的结构设计》", 31 October 2018, 冶金工业出版社 * |
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Application publication date: 20200218 |
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