CN105427957B - A kind of production technology of screen pack copper covered steel wire - Google Patents
A kind of production technology of screen pack copper covered steel wire Download PDFInfo
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- CN105427957B CN105427957B CN201510995676.3A CN201510995676A CN105427957B CN 105427957 B CN105427957 B CN 105427957B CN 201510995676 A CN201510995676 A CN 201510995676A CN 105427957 B CN105427957 B CN 105427957B
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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 kind of production technology of screen pack copper covered steel wire, drawn and attenuated by selection → shelling → electrolysis → cleaning → painting boron drying → drawing → wire drawing → hot water cleaning → disk dress take-up → heat treatment → pickling → washing → sour electrolysis → washing → pretreatment electro-deposition → washing → thickness processing electro-deposition → washing → anti-oxidant treatment → drying → take-up → copper covered steel wire, manufacture required screen pack copper covered steel wire；Steel wire is easy to rear drawing forming of process copper covered steel using drawing twice；Use painting boron and ammonolysis craft tempering process；In the production process of deposition copper, adjustment electrodeposition technology makes electro-deposition copper content control in the range of 0.2~0.5%, smoothly wire drawing can be unlikely to waste copper resource again；It can effectively prevent copper covered steel wire from sliding to cause winding displacement staggeredly to influence unwrapping wire by Pagoda-shaped winding displacement during take-up；Copper covered steel drawing process uses a drawing forming method, elongation percentage deficiency problem caused by avoiding multiple drawing.
Description
Technical field
The present invention relates to a kind of production technology of screen pack copper covered steel wire, screen pack copper covered steel is concretely related to
The preparation field of wire rod.
Technical background
Screen pack (filtermesh) abbreviation filter screen, is process by the woven wire of different meshes, and its effect was
Filter melting stream and increase stream resistance, so as to filtering off mechanical admixture and improving the effect of mixing or plasticizing, have acidproof, resistance to
Alkali, heatproof, wear-resisting performance；It is mainly used in mining industry, oil, chemical industry, food, medicine, machine-building relevant industries, screen pack point
For textile fabric screen pack and metal filter screen, the machine for installing screen pack is referred to as filter, for filtering Natural Water and food
Class.
Metal filter screen typically uses stainless steel wire, nickel wire, brass wire as material at present, because of nickel wire, brass wire raw material
Valency height can not be used widely, and stainless steel wire is also difficult to be promoted because of processed complex and high processing costs.
The content of the invention
The purpose of the present invention aims to provide a kind of production technology of screen pack copper covered steel wire, has production efficiency high, produces
Quality is good, the characteristics of continuous production can be achieved, and can produce 0.178~0.254mm screen pack line.
To achieve the above object, the production technology of screen pack copper covered steel wire of the invention, by selection → shelling → electricity
Solution → cleaning → painting boron drying → drawing → wire drawing → hot water cleaning → disk dress take-up → heat treatment → pickling → washing → acid electricity
Solution → washing → pretreatment electro-deposition → washing → thickness processing electro-deposition → washing → anti-oxidant treatment → drying → take-up → copper
Steel clad wire draws and attenuates, and manufactures required screen pack copper covered steel wire, comprises the following steps that：
1st, selection：Select steel wire bus material of the line footpath for Φ 6.5mm；
2nd, shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is entered using distortion method
Row is peeled off；
3rd, it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and electricity is carried out to the oxide layer of remained on surface
Solution, the oxide layer of residual is removed, the mass concentration of sulfuric acid is 25~35%, and electric current is 300~400A；
4th, clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire bus material table
The acid solution of face residual；
5th, boron drying is applied：Borax is soluble in water, the borax soln that concentration is 40~50g/L is applied into steel wire after cleaning
On bus material, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；
6th, drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, drawing out line footpath is
2.8~3.1mm of Φ steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；
7th, wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm
Steel wire；
8th, hot water cleans：Steel wire after wire drawing is placed in hot water progress hot water cleaning, hot water temperature's control 70 DEG C with
On；
9th, disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；
10th, it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out height
Warm processing, heat treatment temperature are 800~840 DEG C, and soaking time is 600~660 minutes, powers off and cools to the furnace afterwards
500 DEG C, it is then turned on air-cooler and is cooled to 130 ± 5 DEG C, then come out of the stove, Steel Wire Surface light after heat treatment is without greasy dirt；
11st, pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 6~10%, gone
Except because of heat treatment and in the oxide skin of Steel Wire Surface generation；
12nd, wash：Steel wire after pickling is placed in tank and washed, it is because of pickling process and residual to remove Steel Wire Surface
The pickle stayed；
13rd, acid electrolysis：Steel wire after washing is subjected to sour electrolysis using sulfuric acid solution, sulfuric acid concentration is 200~250g/L,
Current density is 15~25A/dm2；
14th, wash：Steel wire after acid is electrolysed is washed, to remove the acid that Steel Wire Surface remains by sour electrowinning process
Liquid；
15th, electro-deposition is pre-processed：Prepare pretreatment electrodeposit liquid, its composition be 20~35g/L of CuCN, NaCN 20~
10~20g/L of 45g/L, NaOH, NaKC4H4·4H230~50g/L of O, the steel wire after washing is placed in pretreatment electrodeposit liquid
In carry out pretreatment electro-deposition, using soluble copper coin as anode, electrodeposit liquid temperature control is at 30~50 DEG C, current density
1.0~3.2A/dm2, 2~8min of processing time, generation pretreatment copper covered steel wire；
16th, wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment
The solution of electro-deposition process residual；
17th, thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO450~120g/L, CuSO4150~
300g/L, the copper covered steel wire after washing is placed in thick processing electrodeposit liquid and carries out the thick processing electro-deposition of further sulfate,
Electrodeposit liquid temperature control is at 30~55 DEG C, 2~6A/dm of current density2, 15~30min of processing time, generate thick processing copper-clad
Steel wire；
18th, wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；
19th, anti-oxidant treatment：Prepare anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water be 0.1~
Prepared at 0.3: 100, and the copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1~5 point of processing time
Clock, 40~60 DEG C of temperature, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100
So that the concentration of anti-oxidant solution is maintained at benzotriazole: water weight ratio is in the range of 0.1~0.3: 100, and processing is completed
After be transferred to next step；
20th, dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；
21st, take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is in
Existing " pagoda " shape, the right and left winding displacement highly differ 3~4cm；
22nd, copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
The production technology of the screen pack copper covered steel wire of the present invention has following excellent effect compared with prior art.
Steel wire is easy to rear drawing forming of process copper covered steel, and quality accords with using Φ 1.02mm line footpaths are drawn to twice
Close and require；It is bright and clean using Steel Wire Surface using painting boron and ammonolysis craft tempering process, it is easy to rear process to clean；In the life of deposition copper
During production, layers of copper plays a part of being to play lubrication and anti-oxidation effect for rear process drawing, and adjustment electrodeposition technology makes electricity
Copper content control is deposited in the range of 0.2~0.5%, smoothly wire drawing can be unlikely to waste copper resource again；Pagoda is pressed during take-up
Shape winding displacement can effectively prevent copper covered steel wire from sliding to cause winding displacement staggeredly to influence unwrapping wire；Copper covered steel drawing process is used and is once drawn into
Shape method, elongation percentage deficiency problem caused by avoiding multiple drawing.
Embodiment
With reference to specific embodiment, the invention will be further described, but not as the limit to the scope of the present invention
It is fixed.
Embodiment 1：
A kind of production technology of screen pack copper covered steel wire, comprises the following steps：
1st, selection：Select steel wire bus material of the line footpath for Φ 6.5mm；
2nd, shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is entered using distortion method
Row is peeled off；
3rd, it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and electricity is carried out to the oxide layer of remained on surface
Solution, the oxide layer of residual is removed, the mass concentration of sulfuric acid is 25%, electric current 300A；
4th, clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire bus material table
The acid solution of face residual；
5th, boron drying is applied：Borax is soluble in water, the borax soln that concentration is 40g/L is applied into steel wire bus after cleaning
On material, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；
6th, drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, drawing out line footpath is
2.8~3.1mm of Φ steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；
7th, wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm
Steel wire；
8th, hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled at 70 DEG C；
9th, disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；
10th, it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out height
Warm processing, heat treatment temperature are 800 DEG C, and soaking time is 600 minutes, powers off afterwards and cools to 500 DEG C with the furnace, is then turned on
Air-cooler is cooled to 125 DEG C, then comes out of the stove, and Steel Wire Surface light after heat treatment is without greasy dirt；
11st, pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 6%, removal because
The oxide skin for being heat-treated and being generated in Steel Wire Surface；
12nd, wash：Steel wire after pickling is placed in tank and washed, it is because of pickling process and residual to remove Steel Wire Surface
The pickle stayed；
13rd, acid electrolysis：Steel wire after washing is subjected to sour electrolysis, sulfuric acid concentration 200g/L, electric current using sulfuric acid solution
Density is 15A/dm2；
14th, wash：Steel wire after acid is electrolysed is washed, to remove the acid that Steel Wire Surface remains by sour electrowinning process
Liquid；
15th, electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is CuCN 20g/L, NaCN 20g/L, NaOH
10g/L、NaKC4H4·4H2O 30g/L, the steel wire after washing is placed in pretreatment electrodeposit liquid and carries out pretreatment electro-deposition,
Using soluble copper coin as anode, electrodeposit liquid temperature control is at 30 DEG C, current density 1.0A/dm2, processing time 8min, life
Into pretreatment copper covered steel wire；
16th, wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment
The solution of electro-deposition process residual；
17th, thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO450g/L、CuSO4150g/L, by water
Copper covered steel wire after washing, which is placed in thick processing electrodeposit liquid, carries out the thick processing electro-deposition of further sulfate, electrodeposit liquid temperature
Control is at 30 DEG C, current density 2A/dm2, processing time 15min, generate thick processing copper covered steel wire；
18th, wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；
19th, anti-oxidant treatment：Prepare anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water for O.1~
Prepared at 0.3: 100, and the copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1 minute processing time, temperature
60 DEG C of degree, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti-oxidant
The concentration of solution is maintained at benzotriazole: water weight ratio is in the range of O.1~0.3: 100, is transferred to after the completion of processing next
Step；
20th, dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；
21st, take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is in
Existing " pagoda " shape, the right and left winding displacement highly differ 3~4cm；
22nd, copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
Embodiment 2：
A kind of production technology of screen pack copper covered steel wire, comprises the following steps：
1st, selection：Select steel wire bus material of the line footpath for Φ 6.5mm；
2nd, shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is entered using distortion method
Row is peeled off；
3rd, it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and electricity is carried out to the oxide layer of remained on surface
Solution, the oxide layer of residual is removed, the mass concentration of sulfuric acid is 30%, electric current 350A；
4th, clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire bus material table
The acid solution of face residual；
5th, boron drying is applied：Borax is soluble in water, the borax soln that concentration is 45g/L is applied into steel wire bus after cleaning
On material, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；
6th, drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, drawing out line footpath is
2.8~3.1mm of Φ steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；
7th, wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm
Steel wire；
8th, hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled at 75 DEG C；
9th, disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；
10th, it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out height
Warm processing, heat treatment temperature are 820 DEG C, and soaking time is 630 minutes, powers off afterwards and cools to 500 DEG C with the furnace, is then turned on
Air-cooler is cooled to 130 DEG C, then comes out of the stove, and Steel Wire Surface light after heat treatment is without greasy dirt；
11st, pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 8%, removal because
The oxide skin for being heat-treated and being generated in Steel Wire Surface；
12nd, wash：Steel wire after pickling is placed in tank and washed, it is because of pickling process and residual to remove Steel Wire Surface
The pickle stayed；
13rd, acid electrolysis：Steel wire after washing is subjected to sour electrolysis, sulfuric acid concentration 230g/L, electric current using sulfuric acid solution
Density is 20A/dm2；
14th, wash：Steel wire after acid is electrolysed is washed, to remove the acid that Steel Wire Surface remains by sour electrowinning process
Liquid；
15th, electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is CuCN 30g/L, NaCN 30g/L, NaOH
15g/L、NaKC4H4·4H2O 40g/L, the steel wire after washing is placed in pretreatment electrodeposit liquid and carries out pretreatment electro-deposition,
Using soluble copper coin as anode, electrodeposit liquid temperature control is at 40 DEG C, current density 2A/dm2, processing time 5min, generation
Pre-process copper covered steel wire；
16th, wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment
The solution of electro-deposition process residual；
17th, thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO485g/L、CuSO4225g/L, by water
Copper covered steel wire after washing, which is placed in thick processing electrodeposit liquid, carries out the thick processing electro-deposition of further sulfate, electrodeposit liquid temperature
Control is at 42 DEG C, current density 4A/dm2, processing time 22min, generate thick processing copper covered steel wire；
18th, wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；
19th, anti-oxidant treatment：Prepare anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water be 0.1~
Prepared at 0.3: 100, and the copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 3 minutes processing times, temperature
50 DEG C of degree, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti-oxidant
The concentration of solution is maintained at benzotriazole: water weight ratio is in the range of 0.1~0.3: 100, is transferred to after the completion of processing next
Step；
20th, dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；
21st, take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is in
Existing " pagoda " shape, the right and left winding displacement highly differ 3~4cm；
22nd, copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
Embodiment 3：
A kind of production technology of screen pack copper covered steel wire, comprises the following steps：
1st, selection：Select steel wire bus material of the line footpath for Φ 6.5mm；
2nd, shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is entered using distortion method
Row is peeled off；
3rd, it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and electricity is carried out to the oxide layer of remained on surface
Solution, the oxide layer of residual is removed, the mass concentration of sulfuric acid is 35%, electric current 400A；
4th, clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire bus material table
The acid solution of face residual；
5th, boron drying is applied：Borax is soluble in water, the borax soln that concentration is 50g/L is applied into steel wire bus after cleaning
On material, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；
6th, drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, drawing out line footpath is
2.8~3.1mm of Φ steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；
7th, wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm
Steel wire；
8th, hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled at 80 DEG C；
9th, disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；
10th, it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out height
Warm processing, heat treatment temperature are 840 DEG C, and soaking time is 660 minutes, powers off afterwards and cools to 500 DEG C with the furnace, is then turned on
Air-cooler is cooled to 135 DEG C, then comes out of the stove, and Steel Wire Surface light after heat treatment is without greasy dirt；
11st, pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 10%, removal because
The oxide skin for being heat-treated and being generated in Steel Wire Surface；
12nd, wash：Steel wire after pickling is placed in tank and washed, it is because of pickling process and residual to remove Steel Wire Surface
The pickle stayed；
13rd, acid electrolysis：Steel wire after washing is subjected to sour electrolysis, sulfuric acid concentration 250g/L, electric current using sulfuric acid solution
Density is 25A/dm2；
14th, wash：Steel wire after acid is electrolysed is washed, to remove the acid that Steel Wire Surface remains by sour electrowinning process
Liquid；
15th, electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is CuCN 35g/L, NaCN 45g/L, NaOH
20g/L、NaKC4H4·4H2O 50g/L, the steel wire after washing is placed in pretreatment electrodeposit liquid and carries out pretreatment electro-deposition,
Using soluble copper coin as anode, electrodeposit liquid temperature control is at 50 DEG C, current density 3.2A/dm2, processing time 2min, life
Into pretreatment copper covered steel wire；
16th, wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment
The solution of electro-deposition process residual；
17th, thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO4120g/L、CuSO4300g/L, will
Copper covered steel wire after washing, which is placed in thick processing electrodeposit liquid, carries out the thick processing electro-deposition of further sulfate, electro-deposition liquid temperature
Degree control is at 55 DEG C, current density 6A/dm2, processing time 30min, generate thick processing copper covered steel wire；
18th, wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；
19th, anti-oxidant treatment：Prepare anti-oxidant solution, its composition is according to benzotriazole: the weight ratio of water be 0.1~
Prepared at 0.3: 100, and the 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 of degree, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti-oxidant
The concentration of solution is maintained at benzotriazole: water weight ratio is in the range of 0.1~0.3: 100, is transferred to after the completion of processing next
Step；
20th, dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；
21st, take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is in
Existing " pagoda " shape, the right and left winding displacement highly differ 3~4cm；
22nd, copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
Screen pack copper covered steel wire finished product is obtained through three above embodiment, can meet following technical indicator：
Claims (4)
- A kind of 1. production technology of screen pack copper covered steel wire, by selection → shelling → electrolysis → cleaning → painting boron drying → drawing Pull out → wire drawing → hot water cleaning → disk dress take-up → heat treatment → pickling → washing → sour electrolysis → washing → pretreatment electro-deposition → washing → thickness processing electro-deposition → washing → anti-oxidant treatment → drying → take-up → copper covered steel wire draws and attenuates, and manufactures required mistake Filter screen copper covered steel wire, it is characterised in that comprise the following steps that：(1) selection：Select steel wire bus material of the line footpath for Φ 6.5mm；(2) shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is carried out using distortion method Peel off；(3) it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and the oxide layer of remained on surface is electrolysed, The oxide layer of residual is removed, the mass concentration of sulfuric acid is 25~35%, and electric current is 300~400A；(4) clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire mother's wire surface The acid solution of residual；(5) boron drying is applied：Borax is soluble in water, and the steel wire that the borax soln that concentration is 40~50g/L is applied after cleaning is female On wire rod, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；(6) drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, it is Φ to draw out line footpath 2.8~3.1mm steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；(7) wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm steel Silk；(8) hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled more than 70 DEG C；(9) disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；(10) it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out high warm Processing, heat treatment temperature are 800~840 DEG C, and soaking time is 600~660 minutes, powers off afterwards and cools to 500 DEG C with the furnace, It is then turned on air-cooler and is cooled to 130 ± 5 DEG C, then come out of the stove, Steel Wire Surface light after heat treatment is without greasy dirt；(11) pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 6~10%, removal because The oxide skin for being heat-treated and being generated in Steel Wire Surface；(12) wash：Steel wire after pickling is placed in tank and washed, is remained with removing Steel Wire Surface because of pickling process Pickle；(13) acid electrolysis：Steel wire after washing is subjected to sour electrolysis using sulfuric acid solution, sulfuric acid concentration is 200~250g/L, electricity Current density is 15~25A/dm2；(14) wash：Steel wire after acid is electrolysed is washed, to remove the acid solution that Steel Wire Surface remains by sour electrowinning process；(15) electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is 20~35g/L of CuCN, 20~45g/ of NaCN L, 10~20g/L of NaOH, NaKC4H4·4H230~50g/L of O, the steel wire after washing is placed in pretreatment electrodeposit liquid Row pretreatment electro-deposition, using soluble copper coin as anode, electrodeposit liquid temperature control at 30~50 DEG C, current density 1.0~ 3.2A/dm2, 2~8min of processing time, generation pretreatment copper covered steel wire；(16) wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment electricity The solution of deposition procedures residual；(17) thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO450~120g/L, CuSO4150~ 300g/L, the copper covered steel wire after washing is placed in thick processing electrodeposit liquid and carries out the thick processing electro-deposition of further sulfate, Electrodeposit liquid temperature control is at 30~55 DEG C, 2~6A/dm of current density2, 15~30min of processing time, generate thick processing copper-clad Steel wire；(18) wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；(19) anti-oxidant treatment：Anti-oxidant solution is prepared, its composition is according to benzotriazole: the weight ratio of water is 0.1~0.3: 100 are prepared, and the 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 of degree, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti- The concentration of oxidation solution is maintained at benzotriazole: water weight ratio is in the range of 0.1~0.3: 100, is transferred to after the completion of processing Next step；(20) dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；(21) take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is presented " pagoda " shape, the right and left winding displacement highly differ 3~4cm；(22) copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
- 2. the production technology of screen pack copper covered steel wire according to claim 1, it is characterised in that comprise the following steps that：(1) selection：Select steel wire bus material of the line footpath for Φ 6.5mm；(2) shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is carried out using distortion method Peel off；(3) it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and the oxide layer of remained on surface is electrolysed, The oxide layer of residual is removed, the mass concentration of sulfuric acid is 25%, electric current 300A；(4) clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire mother's wire surface The acid solution of residual；(5) boron drying is applied：Borax is soluble in water, the borax soln that concentration is 40g/L is applied into steel wire bus material after cleaning On, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；(6) drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, it is Φ to draw out line footpath 2.8~3.1mm steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；(7) wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm steel Silk；(8) hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled at 70 DEG C；(9) disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；(10) it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out high warm Processing, heat treatment temperature are 800 DEG C, and soaking time is 600 minutes, powers off afterwards and cools to 500 DEG C with the furnace, is then turned on cold wind Machine is cooled to 125 DEG C, then comes out of the stove, and Steel Wire Surface light after heat treatment is without greasy dirt；(11) pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 6%, removed because at heat The oxide skin managed and generated in Steel Wire Surface；(12) wash：Steel wire after pickling is placed in tank and washed, is remained with removing Steel Wire Surface because of pickling process Pickle；(13) acid electrolysis：Steel wire after washing is subjected to sour electrolysis, sulfuric acid concentration 200g/L, current density using sulfuric acid solution For 15A/dm2；(14) wash：Steel wire after acid is electrolysed is washed, to remove the acid solution that Steel Wire Surface remains by sour electrowinning process；(15) electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is CuCN 20g/L, NaCN 20g/L, NaOH 10g/L、NaKC4H4·4H2O 30g/L, the steel wire after washing is placed in pretreatment electrodeposit liquid and carries out pretreatment electro-deposition, Using soluble copper coin as anode, electrodeposit liquid temperature control is at 30 DEG C, current density 1.0A/dm2, processing time 8min, life Into pretreatment copper covered steel wire；(16) wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment electricity The solution of deposition procedures residual；(17) thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO450g/L、CuSO4150g/L, it will wash Copper covered steel wire afterwards, which is placed in thick processing electrodeposit liquid, carries out the thick processing electro-deposition of further sulfate, electrodeposit liquid temperature control System is at 30 DEG C, current density 2A/dm2, processing time 15min, generate thick processing copper covered steel wire；(18) wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；(19) anti-oxidant treatment：Anti-oxidant solution is prepared, its composition is according to benzotriazole: the weight ratio of water is 0.1~0.3: 100 are prepared, and the copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 1 minute processing time, temperature 60 DEG C, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti-oxidant solution Concentration be maintained at benzotriazole: water weight ratio be in 0.1~0.3: 100 in the range of, next step is transferred to after the completion of processing；(20) dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；(21) take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is presented " pagoda " shape, the right and left winding displacement highly differ 3~4cm；(22) copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
- 3. the production technology of screen pack copper covered steel wire according to claim 1, it is characterised in that comprise the following steps that：(1) selection：Select steel wire bus material of the line footpath for Φ 6.5mm；(2) shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is carried out using distortion method Peel off；(3) it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and the oxide layer of remained on surface is electrolysed, The oxide layer of residual is removed, the mass concentration of sulfuric acid is 30%, electric current 350A；(4) clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire mother's wire surface The acid solution of residual；(5) boron drying is applied：Borax is soluble in water, the borax soln that concentration is 45g/L is applied into steel wire bus material after cleaning On, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；(6) drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, it is Φ to draw out line footpath 2.8~3.1mm steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；(7) wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm steel Silk；(8) hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled at 75 DEG C；(9) disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；(10) it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out high warm Processing, heat treatment temperature are 820 DEG C, and soaking time is 630 minutes, powers off afterwards and cools to 500 DEG C with the furnace, is then turned on cold wind Machine is cooled to 130 DEG C, then comes out of the stove, and Steel Wire Surface light after heat treatment is without greasy dirt；(11) pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 8%, removed because at heat The oxide skin managed and generated in Steel Wire Surface；(12) wash：Steel wire after pickling is placed in tank and washed, is remained with removing Steel Wire Surface because of pickling process Pickle；(13) acid electrolysis：Steel wire after washing is subjected to sour electrolysis, sulfuric acid concentration 230g/L, current density using sulfuric acid solution For 20A/dm2；(14) wash：Steel wire after acid is electrolysed is washed, to remove the acid solution that Steel Wire Surface remains by sour electrowinning process；(15) electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is CuCN 30g/L, NaCN 30g/L, NaOH 15g/L、NaKC4H4·4H2O 40g/L, the steel wire after washing is placed in pretreatment electrodeposit liquid and carries out pretreatment electro-deposition, Using soluble copper coin as anode, electrodeposit liquid temperature control is at 40 DEG C, current density 2A/dm2, processing time 5min, generation Pre-process copper covered steel wire；(16) wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment electricity The solution of deposition procedures residual；(17) thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO485g/L、CuSO4225g/L, it will wash Copper covered steel wire afterwards, which is placed in thick processing electrodeposit liquid, carries out the thick processing electro-deposition of further sulfate, electrodeposit liquid temperature control System is at 42 DEG C, current density 4A/dm2, processing time 22min, generate thick processing copper covered steel wire；(18) wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；(19) anti-oxidant treatment：Anti-oxidant solution is prepared, its composition is according to benzotriazole: the weight ratio of water is 0.1~0.3: 100 are prepared, and the copper covered steel wire after washing is placed in anti-oxidant solution and carries out anti-oxidant treatment, 3 minutes processing times, temperature 50 DEG C, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti-oxidant solution Concentration be maintained at benzotriazole: water weight ratio be in 0.1~0.3: 100 in the range of, next step is transferred to after the completion of processing；(20) dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；(21) take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is presented " pagoda " shape, the right and left winding displacement highly differ 3~4cm；(22) copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
- 4. the production technology of screen pack copper covered steel wire according to claim 1, it is characterised in that comprise the following steps that：(1) selection：Select steel wire bus material of the line footpath for Φ 6.5mm；(2) shell：Steel wire bus material after selection, by hulling machine, the oxide layer on bus surface is carried out using distortion method Peel off；(3) it is electrolysed：Steel wire bus material after shelling is placed in sulphuric acid electrolyte groove, and the oxide layer of remained on surface is electrolysed, The oxide layer of residual is removed, the mass concentration of sulfuric acid is 35%, electric current 400A；(4) clean：Steel wire bus material after electrolysis is placed in rinsing bowl, carries out surface clean, removes steel wire mother's wire surface The acid solution of residual；(5) boron drying is applied：Borax is soluble in water, the borax soln that concentration is 50g/L is applied into steel wire bus material after cleaning On, apply the steel wire bus material after boron and be placed in hf drying machine, using 14000Hz hf drying；(6) drawing：The steel wire bus material after boron is dried will be applied and be placed in drawing on high-speed continuous wire drawing machine, it is Φ to draw out line footpath 2.8~3.1mm steel wire, drawing powder mix drawing powder using 88 powder and 56 powder in mass ratio 1: 1 are uniformly mixed；(7) wire drawing：Steel wire after drawing is placed in wire drawing on high-speed continuous wire drawing machine again, wire drawing to line footpath is Φ 1.02mm steel Silk；(8) hot water cleans：Steel wire after wire drawing is placed in progress hot water cleaning in hot water, hot water temperature is controlled at 80 DEG C；(9) disk dress take-up：Steel wire after hot water is cleaned carries out disk dress take-up；(10) it is heat-treated：The steel wire that disk is filled after take-up is placed in the well formula tempering furnace of ammonia decomposition gas protection and carries out high warm Processing, heat treatment temperature are 840 DEG C, and soaking time is 660 minutes, powers off afterwards and cools to 500 DEG C with the furnace, is then turned on cold wind Machine is cooled to 135 DEG C, then comes out of the stove, and Steel Wire Surface light after heat treatment is without greasy dirt；(11) pickling：Steel wire after heat treatment is subjected to online pickling with the technical hydrochloric acid that mass concentration is 10%, removed because of heat The oxide skin for handling and being generated in Steel Wire Surface；(12) wash：Steel wire after pickling is placed in tank and washed, is remained with removing Steel Wire Surface because of pickling process Pickle；(13) acid electrolysis：Steel wire after washing is subjected to sour electrolysis, sulfuric acid concentration 250g/L, current density using sulfuric acid solution For 25A/dm2；(14) wash：Steel wire after acid is electrolysed is washed, to remove the acid solution that Steel Wire Surface remains by sour electrowinning process；(15) electro-deposition is pre-processed：Pretreatment electrodeposit liquid is prepared, its composition is CuCN 35g/L, NaCN 45g/L, NaOH 20g/L、NaKC4H4·4H2O 50g/L, the steel wire after washing is placed in pretreatment electrodeposit liquid and carries out pretreatment electro-deposition, Using soluble copper coin as anode, electrodeposit liquid temperature control is at 50 DEG C, current density 3.2A/dm2, processing time 2min, life Into pretreatment copper covered steel wire；(16) wash：Copper covered steel wire after pretreatment electro-deposition is washed, to remove copper covered steel wire surface because of pretreatment electricity The solution of deposition procedures residual；(17) thick processing electro-deposition：Thick processing electrodeposit liquid is prepared, its composition is H2SO4120g/L、CuSO4300g/L, it will wash Copper covered steel wire afterwards, which is placed in thick processing electrodeposit liquid, carries out the thick processing electro-deposition of further sulfate, electrodeposit liquid temperature control System is at 55 DEG C, current density 6A/dm2, processing time 30min, generate thick processing copper covered steel wire；(18) wash：Copper covered steel wire after thick processing electro-deposition is washed, to remove surface residual electrodeposit liquid；(19) anti-oxidant treatment：Anti-oxidant solution is prepared, its composition is according to benzotriazole: the weight ratio of water is 0.1~0.3: 100 are prepared, and the 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, by adding benzotriazole in processing procedure: the benzotriazole solution of water weight ratio 1: 100 is so that anti-oxidant solution Concentration be maintained at benzotriazole: water weight ratio be in 0.1~0.3: 100 in the range of, next step is transferred to after the completion of processing；(20) dry：Processing is dried to the copper covered steel wire after anti-oxidant treatment with drying baker；(21) take-up：After-combustion take-up is carried out to the copper covered steel wire after drying process using Pagoda-shaped admission machine, it is desirable to which winding displacement is presented " pagoda " shape, the right and left winding displacement highly differ 3~4cm；(22) copper covered steel wire draws and attenuates：Welding wire after take-up is disposably drawn to 0.178~0.254mm of line footpath Φ.
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| 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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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 |