CN105427957A - Production process of copper coated steel wire for filter mesh - Google Patents
Production process of copper coated steel wire for filter mesh Download PDFInfo
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- CN105427957A CN105427957A CN201510995676.3A CN201510995676A CN105427957A CN 105427957 A CN105427957 A CN 105427957A CN 201510995676 A CN201510995676 A CN 201510995676A CN 105427957 A CN105427957 A CN 105427957A
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- wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0016—Apparatus or processes specially adapted for manufacturing conductors or cables for heat treatment
Abstract
The invention discloses a production process of a copper coated steel wire for a filter mesh. According to the production process, the required copper coated steel wire for the filter mesh is prepared by the steps of material selection, shell removal, electrolysis, cleaning, boron coating and drying, drawing, wiredrawing, cleaning with hot water, disc package and winding, hot processing, acid pickling, washing, acid electrolysis, washing, pretreatment of electrodeposition, washing, thickness processing of electrodeposition, washing, anti-oxidation treatment, drying, winding and copper coated steel wire fine-drawing; one-time drawing forming of copper coated steel at the subsequent process are facilitated by two-time drawing on a copper wire; the boron coating and ammonia decomposition tempering processes are used; during the production process of copper deposition, the electrodepositon process is adjusted so that the content of electrodeposition copper can be controlled within the range from 0.2% to 0.5%, smooth wiredrawing can be achieved, and copper resources cannot be wasted; during winding, the copper coated steel wire can be effectively prevented from slipping to cause staggered wire arrangement and affect unwinding according to a mode of pagoda-shaped wire arrangement; and with the method of one-time drawing and forming during the process of the copper coated steel wire, the problem that the elongation rate is not enough due to multi-time drawing is avoided.
Description
Technical field
The present invention relates to a kind of production technology of screen pack copper covered steel wire, specifically relate to the preparation field of screen pack producing steel-in-copper wires.
Technical background
Screen pack (filtermesh) is called for short filter screen, processed by the woven wire of different mesh, its effect is filtering molten stream and increases stream resistance, so as to elimination mechanical impurities with improve effect that is mixing or plasticizing, has acidproof, alkaline-resisting, heatproof, wear-resisting performance; Be mainly used in mining industry, oil, chemical industry, food, medicine, machine-building relevant industries, screen pack is divided into textile fabric screen pack and metal filter screen, and the machine installing screen pack is called filter, is used for filtering Natural Water and food.
Metal current screen pack generally adopts stainless steel wire, nickel wire, brass wire to be material, and because of nickel wire, brass wire raw material valency is high cannot be used widely, and stainless steel wire because of processed complex and processing cost height be also difficult to be promoted.
Summary of the invention
Object of the present invention aims to provide a kind of production technology of screen pack copper covered steel wire, has production efficiency high, good product quality, can realize quantity-produced feature, can produce the screen pack line of 0.178 ~ 0.254mm.
For achieving the above object, the production technology of screen pack copper covered steel wire of the present invention, through selection → shelling → electrolysis → cleaning → painting boron oven dry → drawing → wire drawing → hot water cleaning → dish dress take-up → heat treatment → pickling → washing → sour electrolysis → washing → preliminary treatment electro-deposition → washing → thick process electro-deposition → washing → anti-oxidant treatment → drying → take-up → copper covered steel wire drawing-down, screen pack copper covered steel wire needed for manufacture, concrete steps are as follows:
1, selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
2, shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
3, electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 25 ~ 35%, and electric current is 300 ~ 400A;
4, clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
5, be coated with boron to dry: borax is soluble in water, be that the borax soln of 40 ~ 50g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
6, drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1: 1 Homogeneous phase mixing;
7, wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
8, hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls more than 70 DEG C;
9, dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
10, heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 800 ~ 840 DEG C, temperature retention time is 600 ~ 660 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 130 ± 5 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
11, pickling: the technical hydrochloric acid being 6 ~ 10% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
12, wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
13, sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 200 ~ 250g/L, and current density is 15 ~ 25A/dm
2;
14, wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
15, preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN20 ~ 35g/L, NaCN20 ~ 45g/L, NaOH10 ~ 20g/L, NaKC
4h
44H
2o30 ~ 50g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 30 ~ 50 DEG C, current density 1.0 ~ 3.2A/dm
2, processing time 2 ~ 8min, generates preliminary treatment copper covered steel wire;
16, wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
17, thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
450 ~ 120g/L, CuSO
4150 ~ 300g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 30 ~ 55 DEG C, current density 2 ~ 6A/dm
2, processing time 15 ~ 30min, generates thick process copper covered steel wire;
18, wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
19, anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1 ~ 5 minute processing time, temperature 40 ~ 60 DEG C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
20, dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
21, take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
22, copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
The production technology of screen pack copper covered steel wire of the present invention compared with prior art has following excellent effect.
Steel wire adopts and is drawn to Φ 1.02mm wire diameter for twice, is convenient to rear operation copper covered steel drawing forming, and satisfactory quality; Use and be coated with boron and ammonolysis craft tempering process, use Steel Wire Surface bright and clean, be convenient to the cleaning of rear operation; In the production process of deposited copper, the effect that layers of copper plays is for lubrication and anti-oxidation effect are played in rear operation drawing, and adjustment electrodeposition technology makes electro-deposition copper content control in 0.2 ~ 0.5% scope, wire drawing can be unlikely to again waste copper resource smoothly; Effectively can prevent copper covered steel wire landing from causing winding displacement to interlock by Pagoda-shaped winding displacement during take-up and affect unwrapping wire; Copper covered steel drawing process adopts a drawing forming method, avoids the not enough problem of elongation that repeatedly drawing causes.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but not as limiting the scope of the present invention.
Embodiment 1:
A production technology for screen pack copper covered steel wire, comprises the following steps:
1, selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
2, shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
3, electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 25%, and electric current is 300A;
4, clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
5, be coated with boron to dry: borax is soluble in water, be that the borax soln of 40g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
6, drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1:1 Homogeneous phase mixing;
7, wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
8, hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls at 70 DEG C;
9, dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
10, heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 800 DEG C, temperature retention time is 600 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 125 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
11, pickling: the technical hydrochloric acid being 6% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
12, wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
13, sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 200g/L, and current density is 15A/dm
2;
14, wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
15, preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN20g/L, NaCN20g/L, NaOH10g/L, NaKC
4h
44H
2o30g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 30 DEG C, current density 1.0A/dm
2, processing time 8min, generates preliminary treatment copper covered steel wire;
16, wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
17, thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
450g/L, CuSO
4150g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 30 DEG C, current density 2A/dm
2, processing time 15min, generates thick process copper covered steel wire;
18, wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
19, anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1 minute processing time, temperature 60 C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
20, dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
21, take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
22, copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
Embodiment 2:
A production technology for screen pack copper covered steel wire, comprises the following steps:
1, selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
2, shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
3, electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 30%, and electric current is 350A;
4, clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
5, be coated with boron to dry: borax is soluble in water, be that the borax soln of 45g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
6, drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1: 1 Homogeneous phase mixing;
7, wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
8, hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls at 75 DEG C;
9, dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
10, heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 820 DEG C, temperature retention time is 630 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 130 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
11, pickling: the technical hydrochloric acid being 8% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
12, wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
13, sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 230g/L, and current density is 20A/dm
2;
14, wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
15, preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN30g/L, NaCN30g/L, NaOH15g/L, NaKC
4h
44H
2o40g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 40 DEG C, current density 2A/dm
2, processing time 5min, generates preliminary treatment copper covered steel wire;
16, wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
17, thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
485g/L, CuSO
4225g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 42 DEG C, current density 4A/dm
2, processing time 22min, generates thick process copper covered steel wire;
18, wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
19, anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 3 minutes processing times, temperature 50 C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
20, dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
21, take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
22, copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
Embodiment 3:
A production technology for screen pack copper covered steel wire, comprises the following steps:
1, selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
2, shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
3, electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 35%, and electric current is 400A;
4, clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
5, be coated with boron to dry: borax is soluble in water, be that the borax soln of 50g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
6, drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1: 1 Homogeneous phase mixing;
7, wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
8, hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls at 80 DEG C;
9, dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
10, heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 840 DEG C, temperature retention time is 660 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 135 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
11, pickling: the technical hydrochloric acid being 10% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
12, wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
13, sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 250g/L, and current density is 25A/dm
2;
14, wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
15, preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN35g/L, NaCN45g/L, NaOH20g/L, NaKC
4h
44H
2o50g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 50 DEG C, current density 3.2A/dm
2, processing time 2min, generates preliminary treatment copper covered steel wire;
16, wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
17, thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
4120g/l, CuSO
4300g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 55 DEG C, current density 6A/dm
2, processing time 30min, generates thick process copper covered steel wire;
18, wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
19, anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 5 minutes processing times, temperature 40 DEG C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
20, dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
21, take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
22, copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
Obtain screen pack copper covered steel wire finished product through above three embodiments, all can meet following technical indicator:
Claims (4)
1. the production technology of a screen pack copper covered steel wire, through selection → shelling → electrolysis → cleaning → painting boron oven dry → drawing → wire drawing → hot water cleaning → dish dress take-up → heat treatment → pickling → washing → sour electrolysis → washing → preliminary treatment electro-deposition → washing → thick process electro-deposition → washing → anti-oxidant treatment → drying → take-up → copper covered steel wire drawing-down, screen pack copper covered steel wire needed for manufacture, is characterized in that concrete steps are as follows:
(1) selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
(2) shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
(3) electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 25 ~ 35%, and electric current is 300 ~ 400A;
(4) clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
(5) be coated with boron to dry: borax is soluble in water, be that the borax soln of 40 ~ 50g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
(6) drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1: 1 Homogeneous phase mixing;
(7) wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
(8) hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls more than 70 DEG C;
(9) dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
(10) heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 800 ~ 840 DEG C, temperature retention time is 600 ~ 660 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 130 ± 5 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
(11) pickling: the technical hydrochloric acid being 6 ~ 10% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
(12) wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
(13) sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 200 ~ 250g/L, and current density is 15 ~ 25A/dm
2;
(14) wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
(15) preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN20 ~ 35g/L, NaCN20 ~ 45g/L, NaOH10 ~ 20g/L, NaKC
4h
44H
2o30 ~ 50g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 30 ~ 50 DEG C, current density 1.0 ~ 3.2A/dm
2, processing time 2 ~ 8min, generates preliminary treatment copper covered steel wire;
(16) wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
(17) thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
450 ~ 120g/L, CuSO
4150 ~ 300g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 30 ~ 55 DEG C, current density 2 ~ 6A/dm
2, processing time 15 ~ 30min, generates thick process copper covered steel wire;
(18) wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
(19) anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1 ~ 5 minute processing time, temperature 40 ~ 60 DEG C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
(20) dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
(21) take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
(22) copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
2. the production technology of screen pack copper covered steel wire according to claim 1, is characterized in that concrete steps are as follows:
(1) selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
(2) shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
(3) electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 25%, and electric current is 300A;
(4) clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
(5) be coated with boron to dry: borax is soluble in water, be that the borax soln of 40g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
(6) drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1:1 Homogeneous phase mixing;
(7) wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
(8) hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls at 70 DEG C;
(9) dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
(10) heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 800 DEG C, temperature retention time is 600 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 125 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
(11) pickling: the technical hydrochloric acid being 6% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
(12) wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
(13) sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 200g/L, and current density is 15A/dm
2;
(14) wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
(15) preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN20g/L, NaCN20g/L, NaOH10g/L, NaKC
4h
44H
2o30g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 30 DEG C, current density 1.0A/dm
2, processing time 8min, generates preliminary treatment copper covered steel wire;
(16) wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
(17) thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
450g/L, CuSO
4150g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 30 DEG C, current density 2A/dm
2, processing time 15min, generates thick process copper covered steel wire;
(18) wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
(19) anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1 minute processing time, temperature 60 C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
(20) dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
(21) take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
(22) copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
3. the production technology of screen pack copper covered steel wire according to claim 1, is characterized in that concrete steps are as follows:
(1) selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
(2) shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
(3) electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 30%, and electric current is 350A;
(4) clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
(5) be coated with boron to dry: borax is soluble in water, be that the borax soln of 45g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
(6) drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1: 1 Homogeneous phase mixing;
(7) wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
(8) hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls at 75 DEG C;
(9) dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
(10) heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 820 DEG C, temperature retention time is 630 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 130 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
(11) pickling: the technical hydrochloric acid being 8% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
(12) wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
(13) sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 230g/L, and current density is 20A/dm
2;
(14) wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
(15) preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN30g/L, NaCN30g/L, NaOH15g/L, NaKC
4h
44H
2o40g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 40 DEG C, current density 2A/dm
2, processing time 5min, generates preliminary treatment copper covered steel wire;
(16) wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
(17) thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
485g/L, CuSO
4225g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 42 DEG C, current density 4A/dm
2, processing time 22min, generates thick process copper covered steel wire;
(18) wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
(19) anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 3 minutes processing times, temperature 50 C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
(20) dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
(21) take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
(22) copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
4. the production technology of screen pack copper covered steel wire according to claim 1, is characterized in that concrete steps are as follows:
(1) selection: selection wire diameter is the steel wire bus material of Φ 6.5mm;
(2) shell: the steel wire bus material after selection, by hulling machine, adopt distortion method the oxide layer on bus surface to be peeled off;
(3) electrolysis: the steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, the oxide layer that effects on surface remains carries out electrolysis, and remove residual oxide layer, the mass concentration of sulfuric acid is 35%, and electric current is 400A;
(4) clean: the steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, remove the acid solution of steel wire bus material remained on surface;
(5) be coated with boron to dry: borax is soluble in water, be that the borax soln of 50g/L is coated with on steel wire bus material after cleaning by concentration, the steel wire bus material be coated with after boron is placed in hf drying machine, adopts the hf drying of 14000Hz;
(6) drawing: by be coated with boron dry after steel wire bus material be placed in drawing on high-speed continuous wire drawing machine, drawing goes out the steel wire that wire diameter is Φ 2.8 ~ 3.1, and drawing powder adopts 88 powder and the 56 powder mixing drawing powder in mass ratio after 1:1 Homogeneous phase mixing;
(7) wire drawing: the steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to wire diameter is the steel wire of Φ 1.02mm;
(8) hot water cleaning: the steel wire after wire drawing is placed in hot water and carries out hot water cleaning, hot water temperature controls at 80 DEG C;
(9) dish dress take-up: the steel wire after being cleaned by hot water carries out the take-up of dish dress;
(10) heat treatment: the well formula tempering furnace that the steel wire after the take-up of dish dress is placed in the protection of ammonia decomposition gas is carried out high-temperature heat treatment, heat treatment temperature is 840 DEG C, temperature retention time is 660 minutes, power-off afterwards also cools to 500 DEG C with the furnace, open cold blower fan is cooled to 135 DEG C again, then come out of the stove, Steel Wire Surface light is after heat treatment without greasy dirt;
(11) pickling: the technical hydrochloric acid being 10% by the steel wire mass concentration after heat treatment carries out online pickling, removes because of heat treatment in the oxide skin that Steel Wire Surface generates;
(12) wash: the steel wire after pickling is placed in tank and washes, to remove the Steel Wire Surface pickle residual because of pickling process;
(13) sour electrolysis: adopt sulfuric acid solution to carry out sour electrolysis on the steel wire after washing, sulfuric acid concentration is 250g/L, and current density is 25A/dm
2;
(14) wash: the steel wire after sour electrolysis is washed, with remove Steel Wire Surface because of sour electrowinning process residual acid solution;
(15) preliminary treatment electro-deposition: preparation preliminary treatment electrodeposit liquid, its composition is CuCN35g/L, NaCN45g/L, NaOH20g/L, NaKC
4h
44H
2o50g/L, the steel wire after washing is placed in preliminary treatment electrodeposit liquid and carries out preliminary treatment electro-deposition, using solubility copper coin as anode, electrodeposit liquid temperature controls at 50 DEG C, current density 3.2A/dm
2, processing time 2min, generates preliminary treatment copper covered steel wire;
(16) wash: the copper covered steel wire after preliminary treatment electro-deposition is washed, to remove the solution that copper covered steel wire surface remains because of preliminary treatment electro-deposition operation;
(17) thick process electro-deposition: prepare thick process electrodeposit liquid, its composition is H
2sO
4120g/L, CuSO
4300g/L, the copper covered steel wire after washing is placed in thick process electrodeposit liquid and carries out the thick process electro-deposition of further sulfate, electrodeposit liquid temperature controls at 55 DEG C, current density 6A/dm
2, processing time 30min, generates thick process copper covered steel wire;
(18) wash: the copper covered steel wire after thick process electro-deposition is washed, to remove surface residual electrodeposit liquid;
(19) anti-oxidant treatment: preparation anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water is 0.1 ~ 0.3: 100 preparations, copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 5 minutes processing times, temperature 40 DEG C, in processing procedure by add benzotriazole: water weight ratio be 1: 100 benzotriazole solution remain on benzotriazole to make the concentration of anti-oxidant solution: water weight ratio is in 0.1 ~ 0.3: 100 scopes, proceeds to next step after having processed;
(20) dry: with drying baker, drying process to be carried out to the copper covered steel wire after anti-oxidant treatment;
(21) take-up: adopt Pagoda-shaped admission machine to carry out after-combustion take-up to the copper covered steel wire after drying process, require that winding displacement presents " pagoda " shape, the right and left winding displacement height difference 3 ~ 4cm;
(22) copper covered steel wire drawing-down: be drawn to wire diameter Φ 0.178 ~ 0.254mm by disposable for the welding wire after take-up.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281359A (en) * | 2018-01-11 | 2018-07-13 | 广东禾木科技有限公司 | A kind of organic anti-oxidation method of bonding wire |
| CN109530467A (en) * | 2018-12-10 | 2019-03-29 | 广东亚太新材料科技有限公司 | The online coated and dried device of wire drawing |
| CN109786028A (en) * | 2019-01-25 | 2019-05-21 | 江西百川电导体有限公司 | A kind of production technology of explosion copper clad steel signal wire |
| CN111785444A (en) * | 2020-07-31 | 2020-10-16 | 浙江佳伟新材料科技有限责任公司 | Tensile strength control process of copper clad steel wire for electronic CP wire |
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| JPS53114082A (en) * | 1977-03-16 | 1978-10-05 | Fujikura Ltd | Copper coated composite wire fabrication |
| CN101303923A (en) * | 2008-07-07 | 2008-11-12 | 张荣良 | Technique for producing high-strength copper covered steel conductor for coaxial cable inner core wire |
| CN102254629A (en) * | 2011-05-10 | 2011-11-23 | 浙江省浦江县百川产业有限公司 | Production technology of copper-clad steel wire in soft state |
| CN102719785A (en) * | 2011-09-15 | 2012-10-10 | 浙江省浦江县百川产业有限公司 | Production technology of preprocessing copper-clad steel wire matrix |
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| JPS53114082A (en) * | 1977-03-16 | 1978-10-05 | Fujikura Ltd | Copper coated composite wire fabrication |
| CN101303923A (en) * | 2008-07-07 | 2008-11-12 | 张荣良 | Technique for producing high-strength copper covered steel conductor for coaxial cable inner core wire |
| CN102254629A (en) * | 2011-05-10 | 2011-11-23 | 浙江省浦江县百川产业有限公司 | Production technology of copper-clad steel wire in soft state |
| CN102719785A (en) * | 2011-09-15 | 2012-10-10 | 浙江省浦江县百川产业有限公司 | Production technology of preprocessing copper-clad steel wire matrix |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281359A (en) * | 2018-01-11 | 2018-07-13 | 广东禾木科技有限公司 | A kind of organic anti-oxidation method of bonding wire |
| CN109530467A (en) * | 2018-12-10 | 2019-03-29 | 广东亚太新材料科技有限公司 | The online coated and dried device of wire drawing |
| CN109786028A (en) * | 2019-01-25 | 2019-05-21 | 江西百川电导体有限公司 | A kind of production technology of explosion copper clad steel signal wire |
| CN111785444A (en) * | 2020-07-31 | 2020-10-16 | 浙江佳伟新材料科技有限责任公司 | Tensile strength control process of copper clad steel wire for electronic CP wire |
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|---|---|
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Denomination of invention: Production process of copper clad steel wire for filter screen Effective date of registration: 20221220 Granted publication date: 20180126 Pledgee: Jiangxi Hengfeng Rural Commercial Bank Co.,Ltd. Pledgor: JIANGXI BAICHUAN ELECTRIC CONDUCTOR Co.,Ltd. Registration number: Y2022980028414 |
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