CN110724896A - Galvanizing method for scattered components of iron tower - Google Patents
Galvanizing method for scattered components of iron tower Download PDFInfo
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- CN110724896A CN110724896A CN201911062654.6A CN201911062654A CN110724896A CN 110724896 A CN110724896 A CN 110724896A CN 201911062654 A CN201911062654 A CN 201911062654A CN 110724896 A CN110724896 A CN 110724896A
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
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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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/26—After-treatment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating With Molten Metal (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention provides a galvanizing method for scattered components of an iron tower, and relates to the technical field of galvanizing. The method for galvanizing the scattered components of the iron tower comprises the following steps: s1, surface pretreatment: firstly, checking whether the surface of a component has attachments such as paint, grease and the like, classifying the component, flushing the component with dirt on the surface by using a cleaning agent, brushing the surface of the component by using a steel wire ball after flushing, and finally, washing the component by using deionized water and drying; s2, oxide layer treatment: after cleaning the attachments on the surface of the component, the surface of the component is polished by using sand paper to remove rust on the surface of the component, and then scrap iron remained on the surface of the component is wiped off by using a clean rag. The surface of the member has good mechanical strength and adhesive force by carrying out sand blasting treatment after the member is pickled, so that the salt film layer and the zinc layer on the surface of the member can be tightly adhered to the surface of the member, the quality of the member is greatly improved, and the service life of the member is prolonged.
Description
Technical Field
The invention relates to the technical field of galvanizing, in particular to a galvanizing method for scattered components of an iron tower.
Background
The communication tower is composed of tower body, platform, lightning rod, ladder stand and antenna support, and is mainly used for transmission and emission of microwave, ultrashort wave and wireless network signal by means of hot galvanizing and anticorrosion treatment.
At present, a hot-dip method is generally adopted for carrying out galvanizing treatment on scattered components of an iron tower, but in the prior art, the galvanizing process is generally simple, so that the adhesion of a galvanizing layer is poor, the galvanizing layer is easy to damage and lose, and in the prior galvanizing process, corresponding elements are not generally added in a plating assistant solution and a galvanizing solution, so that the galvanizing effect is poor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for galvanizing scattered components of an iron tower, which solves the problems that the galvanizing process in the prior art is generally simpler, the adhesion of a galvanizing layer is poorer, the galvanizing layer is easy to damage and lose, and the galvanizing effect is poorer because corresponding elements are not generally added in a plating assistant solution and a galvanizing solution in the prior galvanizing process.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a galvanizing method for scattered components of an iron tower comprises the following steps:
s1, surface pretreatment: firstly, checking whether the surface of a component has attachments such as paint, grease and the like, classifying the component, showering the component with dirt on the surface by using a cleaning agent, brushing the surface of the component by using a steel wire ball after showering, finally washing the component by using deionized water and drying, wherein the component is subjected to showering treatment for 2-3 times by using the cleaning agent;
s2, oxide layer treatment: after cleaning the attachments on the surface of the component, polishing the surface of the component by using sand paper, removing rust on the surface of the component, and then wiping off the scrap iron remained on the surface of the component by using a clean rag;
s3, acid pickling treatment: firstly, soaking the component in a hydrochloric acid solution for 6-10min, stirring the component once every 1-2min, removing impurities such as scrap iron and the like on the liquid surface after the liquid surface is calm down after stirring, taking the component out of the hydrochloric acid solution after acid cleaning, and washing the surface of the component clean by deionized water and drying after the hydrochloric acid solution on the surface of the component is drained;
s4, sand blasting: spraying the blasting materials on the surface of the component at a high speed by adopting a sand blasting machine to ensure that the surface of the component to be treated obtains certain cleanliness and different roughness, wherein the component is required to be carried out in a dust-free environment during sand blasting, and the blasting materials are required to be uniformly sprayed on the surface of the component;
s5, plating assisting treatment: preparing a plating assistant solution, soaking the component in the plating assistant solution, periodically turning the component in the soaking process of the component, taking the component out of the plating assistant solution after soaking is finished, then soaking the component in an absolute ethyl alcohol solution for 5-10 seconds, and then taking the component out for drying treatment;
s6, galvanization treatment: firstly, adding 0.01-0.02% of aluminum powder into zinc liquid, then adding 0.02-0.03% of lead powder, then placing the component into the zinc liquid for galvanizing, and after galvanizing is finished, taking out the component and sending the component into a vacuum environment for cooling;
s7, passivation treatment: firstly, checking whether the surface of a galvanized component has the condition of plating omission, repairing the component subjected to plating omission, spraying a passivation solution on the surface of the component after the treatment is finished, drying the component after the passivation, and spraying a layer of finish paint on the surface of the passivation layer of the component.
Preferably, the plating assistant solution comprises the following components in parts by weight: 25-30 parts of zinc chloride, 15-20 parts of ammonium chloride, 2-3 parts of zirconium oxychloride octahydrate, 3-4 parts of glycerol, 1-2 parts of hydrogen peroxide and 1-2 parts of potassium permanganate.
Preferably, in the step 6, nitrogen is introduced into the vacuum environment to cool the component by air cooling, and a small amount of rare gas is introduced into the vacuum environment at the same time.
Preferably, the soaking time in the step 5 is 6-8min, and the soaking temperature is 60-70 ℃.
(III) advantageous effects
The invention provides a galvanizing method for scattered components of an iron tower. The method has the following beneficial effects:
1. according to the method for galvanizing the scattered components of the iron tower, the components are subjected to sand blasting after being subjected to acid washing, so that the surfaces of the components have good mechanical strength and adhesion force, salt film layers and zinc layers on the surfaces of the components can be tightly attached to the surfaces of the components, the quality of the components is greatly improved, and the service lives of the components are prolonged.
2. According to the method for galvanizing the scattered components of the iron tower, the plating assistant solution is reasonably used, so that the content of ferrous ions in the solution is reduced, the using amount of zinc liquid is reduced, and meanwhile, the using amount of ammonium chloride is greatly reduced.
Detailed Description
The following will clearly and completely describe the technical solutions in the embodiments of the present invention, 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.
The first embodiment is as follows:
the embodiment of the invention provides a galvanizing method for scattered components of an iron tower, which comprises the following steps:
s1, surface pretreatment: firstly, checking whether the surface of a component has attachments such as paint, grease and the like, classifying the component, showering the component with dirt on the surface by using a cleaning agent, brushing the surface of the component by using a steel wire ball after showering, finally washing the component by using deionized water and drying, wherein the component is subjected to showering treatment for 2-3 times by using the cleaning agent;
s2, oxide layer treatment: after cleaning the attachments on the surface of the component, polishing the surface of the component by using sand paper, removing rust on the surface of the component, and then wiping off the scrap iron remained on the surface of the component by using a clean rag;
s3, acid pickling treatment: firstly, soaking the component in a hydrochloric acid solution for 6-10min, stirring the component once every 1-2min, removing impurities such as scrap iron and the like on the liquid surface after the liquid surface is calm down after stirring, taking the component out of the hydrochloric acid solution after acid cleaning, and washing the surface of the component clean by deionized water and drying after the hydrochloric acid solution on the surface of the component is drained;
s4, sand blasting: spraying the blasting materials on the surface of the component at a high speed by adopting a sand blasting machine to ensure that the surface of the component to be treated obtains certain cleanliness and different roughness, wherein the component is required to be carried out in a dust-free environment during sand blasting, and the blasting materials are required to be uniformly sprayed on the surface of the component;
s5, plating assisting treatment: preparing a plating assistant solution, soaking the component in the plating assistant solution for 6-8min at 60-70 ℃, periodically turning the component during the soaking process, taking the component out of the plating assistant solution after soaking, then soaking the component in an absolute ethyl alcohol solution for 5-10S, and then taking the component out for drying treatment;
s6, galvanization treatment: firstly, adding 0.01-0.02% of aluminum powder into zinc liquid, then adding 0.02-0.03% of lead powder, then placing the component into the zinc liquid for galvanizing, taking out the component after galvanizing, sending the component into a vacuum environment, introducing nitrogen into the vacuum environment for air cooling of the component, and simultaneously introducing a small amount of rare gas into the vacuum environment;
s7, passivation treatment: firstly, checking whether the surface of a galvanized component has the condition of plating omission, repairing the component subjected to plating omission, spraying a passivation solution on the surface of the component after the treatment is finished, drying the component after the passivation, and spraying a layer of finish paint on the surface of the passivation layer of the component.
Wherein the plating assistant solution comprises the following components in parts by weight: 25 parts of zinc chloride, 15 parts of ammonium chloride, 2 parts of zirconium oxychloride octahydrate, 3 parts of glycerol, 1 part of hydrogen peroxide and 1 part of potassium permanganate.
Example two:
the embodiment of the invention provides a galvanizing method for scattered components of an iron tower, which comprises the following steps:
s1, surface pretreatment: firstly, checking whether the surface of a component has attachments such as paint, grease and the like, classifying the component, showering the component with dirt on the surface by using a cleaning agent, brushing the surface of the component by using a steel wire ball after showering, finally washing the component by using deionized water and drying, wherein the component is subjected to showering treatment for 2-3 times by using the cleaning agent;
s2, oxide layer treatment: after cleaning the attachments on the surface of the component, polishing the surface of the component by using sand paper, removing rust on the surface of the component, and then wiping off the scrap iron remained on the surface of the component by using a clean rag;
s3, acid pickling treatment: firstly, soaking the component in a hydrochloric acid solution for 6-10min, stirring the component once every 1-2min, removing impurities such as scrap iron and the like on the liquid surface after the liquid surface is calm down after stirring, taking the component out of the hydrochloric acid solution after acid cleaning, and washing the surface of the component clean by deionized water and drying after the hydrochloric acid solution on the surface of the component is drained;
s4, sand blasting: spraying the blasting materials on the surface of the component at a high speed by adopting a sand blasting machine to ensure that the surface of the component to be treated obtains certain cleanliness and different roughness, wherein the component is required to be carried out in a dust-free environment during sand blasting, and the blasting materials are required to be uniformly sprayed on the surface of the component;
s5, plating assisting treatment: preparing a plating assistant solution, soaking the component in the plating assistant solution for 6-8min at 60-70 ℃, periodically turning the component during the soaking process, taking the component out of the plating assistant solution after soaking, then soaking the component in an absolute ethyl alcohol solution for 5-10S, and then taking the component out for drying treatment;
s6, galvanization treatment: firstly, adding 0.01-0.02% of aluminum powder into zinc liquid, then adding 0.02-0.03% of lead powder, then placing the component into the zinc liquid for galvanizing, taking out the component after galvanizing, sending the component into a vacuum environment, introducing nitrogen into the vacuum environment for air cooling of the component, and simultaneously introducing a small amount of rare gas into the vacuum environment;
s7, passivation treatment: firstly, checking whether the surface of a galvanized component has the condition of plating omission, repairing the component subjected to plating omission, spraying a passivation solution on the surface of the component after the treatment is finished, drying the component after the passivation, and spraying a layer of finish paint on the surface of the passivation layer of the component.
Wherein the plating assistant solution comprises the following components in parts by weight: 30 parts of zinc chloride, 20 parts of ammonium chloride, 3 parts of zirconium oxychloride octahydrate, 4 parts of glycerol, 2 parts of hydrogen peroxide and 2 parts of potassium permanganate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A galvanizing method for scattered components of an iron tower is characterized in that: the method comprises the following steps:
s1, surface pretreatment: firstly, checking whether the surface of a component has attachments such as paint, grease and the like, classifying the component, showering the component with dirt on the surface by using a cleaning agent, brushing the surface of the component by using a steel wire ball after showering, finally washing the component by using deionized water and drying, wherein the component is subjected to showering treatment for 2-3 times by using the cleaning agent;
s2, oxide layer treatment: after cleaning the attachments on the surface of the component, polishing the surface of the component by using sand paper, removing rust on the surface of the component, and then wiping off the scrap iron remained on the surface of the component by using a clean rag;
s3, acid pickling treatment: firstly, soaking the component in a hydrochloric acid solution for 6-10min, stirring the component once every 1-2min, removing impurities such as scrap iron and the like on the liquid surface after the liquid surface is calm down after stirring, taking the component out of the hydrochloric acid solution after acid cleaning, and washing the surface of the component clean by deionized water and drying after the hydrochloric acid solution on the surface of the component is drained;
s4, sand blasting: spraying the blasting materials on the surface of the component at a high speed by adopting a sand blasting machine to ensure that the surface of the component to be treated obtains certain cleanliness and different roughness, wherein the component is required to be carried out in a dust-free environment during sand blasting, and the blasting materials are required to be uniformly sprayed on the surface of the component;
s5, plating assisting treatment: preparing a plating assistant solution, soaking the component in the plating assistant solution, periodically turning the component in the soaking process of the component, taking the component out of the plating assistant solution after soaking is finished, then soaking the component in an absolute ethyl alcohol solution for 5-10 seconds, and then taking the component out for drying treatment;
s6, galvanization treatment: firstly, adding 0.01-0.02% of aluminum powder into zinc liquid, then adding 0.02-0.03% of lead powder, then placing the component into the zinc liquid for galvanizing, and after galvanizing is finished, taking out the component and sending the component into a vacuum environment for cooling;
s7, passivation treatment: firstly, checking whether the surface of a galvanized component has the condition of plating omission, repairing the component subjected to plating omission, spraying a passivation solution on the surface of the component after the treatment is finished, drying the component after the passivation, and spraying a layer of finish paint on the surface of the passivation layer of the component.
2. The method for galvanizing the scattered components of the iron tower according to claim 1, wherein the method comprises the following steps: the plating assistant solution comprises the following components in parts by weight: 25-30 parts of zinc chloride, 15-20 parts of ammonium chloride, 2-3 parts of zirconium oxychloride octahydrate, 3-4 parts of glycerol, 1-2 parts of hydrogen peroxide and 1-2 parts of potassium permanganate.
3. The method for galvanizing the scattered components of the iron tower according to claim 1, wherein the method comprises the following steps: and 6, introducing nitrogen into the vacuum environment to cool the component, and introducing a small amount of rare gas into the vacuum environment.
4. The method for galvanizing the scattered components of the iron tower according to claim 1, wherein the method comprises the following steps: in the step 5, the soaking time is 6-8min, and the soaking temperature is 60-70 ℃.
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| CN201911062654.6A CN110724896A (en) | 2019-11-03 | 2019-11-03 | Galvanizing method for scattered components of iron tower |
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| CN201911062654.6A CN110724896A (en) | 2019-11-03 | 2019-11-03 | Galvanizing method for scattered components of iron tower |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364612A (en) * | 2020-03-13 | 2020-07-03 | 宁夏绿筑集成科技有限公司 | Steel structure assembly type building construction method |
| CN112481571A (en) * | 2020-10-14 | 2021-03-12 | 陈龙 | Hot galvanizing process |
| CN114717500A (en) * | 2022-03-30 | 2022-07-08 | 青岛靓塔钢结构有限公司 | Processing technology of galvanized single-tube tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111364612A (en) * | 2020-03-13 | 2020-07-03 | 宁夏绿筑集成科技有限公司 | Steel structure assembly type building construction method |
| CN112481571A (en) * | 2020-10-14 | 2021-03-12 | 陈龙 | Hot galvanizing process |
| CN112481571B (en) * | 2020-10-14 | 2022-12-23 | 唐山市融德冷轧镀锌有限公司 | Hot galvanizing process |
| CN114717500A (en) * | 2022-03-30 | 2022-07-08 | 青岛靓塔钢结构有限公司 | Processing technology of galvanized single-tube tower |
| CN114717500B (en) * | 2022-03-30 | 2023-12-01 | 青岛靓塔钢结构有限公司 | Zinc-plating single-tube tower processing technology |
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