CN109440042A - A kind of galvanized method of the scattered component of steel tower - Google Patents
A kind of galvanized method of the scattered component of steel tower Download PDFInfo
- Publication number
- CN109440042A CN109440042A CN201811357096.1A CN201811357096A CN109440042A CN 109440042 A CN109440042 A CN 109440042A CN 201811357096 A CN201811357096 A CN 201811357096A CN 109440042 A CN109440042 A CN 109440042A
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- Prior art keywords
- zinc
- workpiece
- pickling
- plated
- parts
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Classifications
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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
-
- 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
-
- 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
- C23C2/14—Removing excess of molten coatings; Controlling or regulating the coating thickness
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4
Abstract
The invention discloses a kind of galvanized method of the scattered component of steel tower, the process flow of the galvanized method include: the inspection of the scattered component of steel tower, pickling, washing, pendant, drying, fluxing agent processing, it is zinc-plated, get rid of zinc, cooling；This method operating process is simple, and erosion resistance is high, and galvanizing by dipping effect is good, high production efficiency, the speed for improving pickling, it can inhibit the formation of acid mist, use suitable temperature and speed in subsequent galvanizing by dipping, ensure that the thickness and stability of workpiece surface zinc coat.
Description
Technical field
The present invention relates to galvanized method, the galvanized method of especially a kind of scattered component of steel tower.
Background technique
The coating for protection against corrosion of steel tower mainly has the different Plating Systems such as electrogalvanizing, galvanizing by dipping, aluminium, allumen, in steel
Article surface plating corrosion resistant coating, protects parent metal, the hot dip galvanizing method of steel and iron parts be a kind of routine and
Common method: the main component for being coated with the equipment such as iron tower construction member, bridge, power communication equipment, hot galvanizing is after derusting
Steel part immerse 400-460 DEG C or so thawing galvanizing flux in, make steel piece surface adhere to zinc layers；Traditional steel structural part hot dipping
Zinc-plated galvanizing process is simple, but lacks necessary processing step, lacks corresponding additive, steel in plating assistant solvent, pure zinc liquid
The zinc-plated effect of structural member is bad, causes erosion resistance poor, some existing galvanizing by dipping effects are although good, but process flow compared with
For complexity.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of galvanized method of the scattered component of steel tower, this method steps
It is rapid simple, while the erosion resistance and service life of iron tower construction member can be improved, technical scheme is as follows:
A kind of galvanized method of the scattered component of steel tower, the process flow of the galvanized method include: the scattered component of steel tower inspection,
Pickling, washing, pendant, drying, fluxing agent handle, are zinc-plated, getting rid of zinc, cooling；
(1) it the inspection of the scattered component of steel tower: checks zinc-plated workpiece need to be carried out；
(2) pickling: the composition of the pickling solution are as follows: 5-20 parts of H2SO4,26-30 parts of HCl, 2-10 parts of fecl3, water 25-
40 parts, unit is mass fraction, and pickling temperature is 60~70 DEG C；It is upper and lower in acid cleaning process slot will need to carry out zinc-plated workpiece
Vibration three to four times, and propose that liquid level checks pickling quality, the surface clean to the non-pickling in workpiece part can be in acid cleaning process slot
Inside vibration three to four times up and down again, is removed with tools such as grinding wheels；
(3) wash: the workpiece of pickling qualification must be rinsed through flowing water；
(4) pendant and drying: bridging and drying workpiece remove residual moisture；
(5) fluxing agent is handled: the fluxing agent is ammonium chloride 20-30 parts, and 10-15 parts of zinc chloride, 1-5 parts of FeCl2, unit is
Mass fraction, fluxing agent temperature are controlled at 63-72 DEG C, 5~10min of time, dry moisture content in fluxing agent, and removal workpiece surface is attached
Moisture content；
(6) zinc-plated: by by drying preheating after workpiece be put into zinc liquid carry out it is zinc-plated, zinc-plated temperature be 470-485 DEG C, when
Between 2-3.5min；
(7) get rid of zinc: workpiece proposes zinc liquid level centrifugal drying zinc；
(8) cooling: the workpiece after getting rid of zinc to be sent into water cooling in water-cooling groove, water temperature must be maintained at 50 DEG C hereinafter, water flow is permanent
Fixed, cooling time is 2-5 minutes.
Further, the drying temperature in the step (4) is 140~170 DEG C, and the duration is 1-3 hours.
Further, the workpiece in the step (7) proposes zinc liquid level, and the promotion speed of workpiece is 3.5- 5m/min.
Further, it is 15-20m/min that the workpiece in the step (8), which is sent into the promotion speed of water-cooling groove,.
Beneficial effect
The galvanized method operating process of the scattered component of steel tower provided by the invention is simple, and erosion resistance is high, and galvanizing by dipping effect is good,
High production efficiency, the speed for improving pickling, can inhibit the formation of acid mist, in subsequent galvanizing by dipping using suitable temperature and
Speed ensure that the thickness and stability of workpiece surface zinc coat.
Specific embodiment
Understand to make the objectives, technical solutions, and advantages of the present invention clearer, combined with specific embodiments below to this
The embodiment of invention carries out detailed, specific description.
Embodiment 1
A kind of galvanized method of the scattered component of steel tower, the process flow of the galvanized method include: the scattered component of steel tower inspection,
Pickling, washing, pendant, drying, fluxing agent handle, are zinc-plated, getting rid of zinc, cooling；
(1) it the inspection of the scattered component of steel tower: checks zinc-plated workpiece need to be carried out；
(2) pickling: the composition of the pickling solution are as follows: 5 parts of H2SO4,26 parts of HCl, 2 parts of fecl3,25 parts of water, unit is matter
Number is measured, pickling temperature is 60 DEG C；To need to carry out zinc-plated workpiece in acid cleaning process slot up and down vibration three times, wash clean work
Part surface；
(3) wash: the workpiece of pickling qualification must be rinsed through flowing water；
(4) pendant and drying: bridging and drying workpiece remove residual moisture；
(5) fluxing agent is handled: the fluxing agent is 20 parts of ammonium chloride, and 10 parts of zinc chloride, 1 part of FeCl2, unit is mass fraction,
Fluxing agent temperature is controlled at 63 DEG C, time 5min, dries moisture content in fluxing agent, the moisture content of removal workpiece surface attachment；
(6) zinc-plated: by by drying preheating after workpiece be put into zinc liquid carry out it is zinc-plated, zinc-plated temperature be 470 DEG C, the time
2min；
(7) get rid of zinc: workpiece proposes zinc liquid level centrifugal drying zinc；
(8) cooling: the workpiece after getting rid of zinc to be sent into water cooling in water-cooling groove, water temperature must be maintained at 50 DEG C hereinafter, water flow is permanent
Fixed, cooling time is 2 minutes.
Drying temperature in the step (4) is 140 DEG C, and the duration is 1 hour.
Workpiece in the step (7) proposes zinc liquid level, and the promotion speed of workpiece is 3.5m/min.
The promotion speed that workpiece in the step (8) is sent into water-cooling groove is 15m/min.
Embodiment 2
A kind of galvanized method of the scattered component of steel tower, the process flow of the galvanized method include: the scattered component of steel tower inspection,
Pickling, washing, pendant, drying, fluxing agent handle, are zinc-plated, getting rid of zinc, cooling；
(1) it the inspection of the scattered component of steel tower: checks zinc-plated workpiece need to be carried out；
(2) pickling: the composition of the pickling solution are as follows: 20 parts of H2SO4,30 parts of HCl, 10 parts of fecl3,40 parts of water, unit are
Mass fraction, pickling temperature are 70 DEG C；Zinc-plated workpiece will need to be carried out vibration four times up and down in acid cleaning process slot, propose liquid
Face checks pickling quality, and the sand for surface wheel tool clean to the non-pickling in workpiece part removes；
(3) wash: the workpiece of pickling qualification must be rinsed through flowing water；
(4) pendant and drying: bridging and drying workpiece remove residual moisture；
(5) fluxing agent is handled: the fluxing agent is 30 parts of ammonium chloride, and 15 parts of zinc chloride, 5 parts of FeCl2, unit is mass fraction,
Fluxing agent temperature is controlled at 72 DEG C, time 10min, dries moisture content in fluxing agent, the moisture content of removal workpiece surface attachment；
(6) zinc-plated: by by drying preheating after workpiece be put into zinc liquid carry out it is zinc-plated, zinc-plated temperature be 485 DEG C, the time
3.5min；
(7) get rid of zinc: workpiece proposes zinc liquid level centrifugal drying zinc；
(8) cooling: the workpiece after getting rid of zinc to be sent into water cooling in water-cooling groove, water temperature must be maintained at 50 DEG C hereinafter, water flow is permanent
Fixed, cooling time is 2-5 minutes.
Drying temperature in the step (4) is 170 DEG C, and the duration is 3 hours.
Workpiece in the step (7) proposes zinc liquid level, and the promotion speed of workpiece is 5m/min.
The promotion speed that workpiece in the step (8) is sent into water-cooling groove is 20m/min.
Embodiment 3
A kind of galvanized method of the scattered component of steel tower, the process flow of the galvanized method include: the scattered component of steel tower inspection,
Pickling, washing, pendant, drying, fluxing agent handle, are zinc-plated, getting rid of zinc, cooling；
(1) it the inspection of the scattered component of steel tower: checks zinc-plated workpiece need to be carried out；
(2) pickling: the composition of the pickling solution are as follows: 30 parts of HCl, 2 parts of fecl3,25 parts of water, unit are mass fraction, pickling
Temperature is 70 DEG C；To need to carry out zinc-plated workpiece in acid cleaning process slot up and down vibration three times, and propose liquid level check pickling matter
Amount, the sand for surface wheel removal clean to non-pickling；
(3) wash: the workpiece of pickling qualification must be rinsed through flowing water；
(4) pendant and drying: bridging and drying workpiece remove residual moisture；
(5) fluxing agent is handled: the fluxing agent is 20 parts of ammonium chloride, and 10 parts of zinc chloride, unit is mass fraction, fluxing agent temperature
Control dries moisture content in fluxing agent, the moisture content of removal workpiece surface attachment at 70 DEG C, time 8min；
(6) zinc-plated: by by drying preheating after workpiece be put into zinc liquid carry out it is zinc-plated, zinc-plated temperature be 480 DEG C, the time
2min；
(7) get rid of zinc: workpiece proposes zinc liquid level centrifugal drying zinc；
(8) cooling: the workpiece after getting rid of zinc is sent into water cooling in water-cooling groove, water temperature must be maintained at 50 DEG C hereinafter, flow of water constant,
Cooling time is 3 minutes.
Drying temperature in the step (4) is 160 DEG C, and the duration is 2 hours.
Workpiece in the step (7) proposes zinc liquid level, and the promotion speed of workpiece is 4m/min.
The promotion speed that workpiece in the step (8) is sent into water-cooling groove is 18m/min.
The invention is easy to operate, and environmental pollution is small, high production efficiency, zinc-plated even results are good.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (4)
1. a kind of galvanized method of the scattered component of steel tower, which is characterized in that the process flow of the galvanized method includes: steel tower zero
The inspection of scattered component, pickling, washing, pendant, drying, fluxing agent handle, are zinc-plated, getting rid of zinc, cooling；
(1) it the inspection of the scattered component of steel tower: checks zinc-plated workpiece need to be carried out；
(2) pickling: the composition of the pickling solution are as follows: 5-20 parts of H2SO4,26-30 parts of HCl, 2-10 parts of fecl3, water 25-
40 parts, unit is mass fraction, and pickling temperature is 60~70 DEG C；It is upper and lower in acid cleaning process slot will need to carry out zinc-plated workpiece
Vibration three to four times, and propose that liquid level checks pickling quality, the surface clean to the non-pickling in workpiece part can be in acid cleaning process slot
Inside vibration three to four times up and down again, is removed with tools such as grinding wheels；
(3) wash: the workpiece of pickling qualification must be rinsed through flowing water；
(4) pendant and drying: bridging and drying workpiece remove residual moisture；
(5) fluxing agent is handled: the fluxing agent is ammonium chloride 20-30 parts, and 10-15 parts of zinc chloride, 1-5 parts of FeCl2, unit is
Mass fraction, fluxing agent temperature are controlled at 63-72 DEG C, 5~10min of time, dry moisture content in fluxing agent, and removal workpiece surface is attached
Moisture content；
(6) zinc-plated: by by drying preheating after workpiece be put into zinc liquid carry out it is zinc-plated, zinc-plated temperature be 470-485 DEG C, when
Between 2-3.5min；
(7) get rid of zinc: workpiece proposes zinc liquid level centrifugal drying zinc；
(8) cooling: the workpiece after getting rid of zinc to be sent into water cooling in water-cooling groove, water temperature must be maintained at 50 DEG C hereinafter, water flow is permanent
Fixed, cooling time is 2-5 minutes.
2. a kind of galvanized method of the scattered component of steel tower according to claim 1, which is characterized in that in the step (4)
Drying temperature be 140~170 DEG C, the duration be 1-3 hours.
3. a kind of galvanized method of the scattered component of steel tower according to claim 1, which is characterized in that in the step (7)
Workpiece propose zinc liquid level, the promotion speed of workpiece is 3.5- 5m/min.
4. a kind of galvanized method of the scattered component of steel tower according to claim 1, which is characterized in that in the step (8)
Workpiece be sent into water-cooling groove promotion speed be 15-20m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811357096.1A CN109440042A (en) | 2018-11-15 | 2018-11-15 | A kind of galvanized method of the scattered component of steel tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811357096.1A CN109440042A (en) | 2018-11-15 | 2018-11-15 | A kind of galvanized method of the scattered component of steel tower |
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| CN201811357096.1A Pending CN109440042A (en) | 2018-11-15 | 2018-11-15 | A kind of galvanized method of the scattered component of steel tower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724896A (en) * | 2019-11-03 | 2020-01-24 | 江苏荣辉电力设备制造有限公司 | Galvanizing method for scattered components of iron tower |
| CN111716748A (en) * | 2020-06-23 | 2020-09-29 | 扬州耐盾桶业有限公司 | Energy-saving preparation method suitable for steel-plastic composite barrel |
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| CN102363875A (en) * | 2011-10-27 | 2012-02-29 | 北京京杰锐思技术开发有限公司 | Hot dip galvanizing method of steel structural members |
| CN102634784A (en) * | 2012-04-24 | 2012-08-15 | 江苏金华厦电气有限公司 | Surface treatment method of nuclear bridge |
| CN108315677A (en) * | 2018-02-09 | 2018-07-24 | 青岛特纳钢结构工程有限公司 | Communication tower hot dip galvanizing process |
| CN108707852A (en) * | 2018-05-30 | 2018-10-26 | 江苏法尔胜缆索有限公司 | Bridge cable high intensity multiple zinc-base alloy coating wire and its hot plating technology |
| CN108754375A (en) * | 2018-08-17 | 2018-11-06 | 云南宏盛铁塔实业有限公司 | A kind of hot dip galvanizing process |
-
2018
- 2018-11-15 CN CN201811357096.1A patent/CN109440042A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363875A (en) * | 2011-10-27 | 2012-02-29 | 北京京杰锐思技术开发有限公司 | Hot dip galvanizing method of steel structural members |
| CN102634784A (en) * | 2012-04-24 | 2012-08-15 | 江苏金华厦电气有限公司 | Surface treatment method of nuclear bridge |
| CN108315677A (en) * | 2018-02-09 | 2018-07-24 | 青岛特纳钢结构工程有限公司 | Communication tower hot dip galvanizing process |
| CN108707852A (en) * | 2018-05-30 | 2018-10-26 | 江苏法尔胜缆索有限公司 | Bridge cable high intensity multiple zinc-base alloy coating wire and its hot plating technology |
| CN108754375A (en) * | 2018-08-17 | 2018-11-06 | 云南宏盛铁塔实业有限公司 | A kind of hot dip galvanizing process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110724896A (en) * | 2019-11-03 | 2020-01-24 | 江苏荣辉电力设备制造有限公司 | Galvanizing method for scattered components of iron tower |
| CN111716748A (en) * | 2020-06-23 | 2020-09-29 | 扬州耐盾桶业有限公司 | Energy-saving preparation method suitable for steel-plastic composite barrel |
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