CN202705545U - Copper bar continuous movement tinning device - Google Patents

Copper bar continuous movement tinning device Download PDF

Info

Publication number
CN202705545U
CN202705545U CN 201220295983 CN201220295983U CN202705545U CN 202705545 U CN202705545 U CN 202705545U CN 201220295983 CN201220295983 CN 201220295983 CN 201220295983 U CN201220295983 U CN 201220295983U CN 202705545 U CN202705545 U CN 202705545U
Authority
CN
China
Prior art keywords
copper bar
groove
acid
pot
tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220295983
Other languages
Chinese (zh)
Inventor
周建元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 201220295983 priority Critical patent/CN202705545U/en
Application granted granted Critical
Publication of CN202705545U publication Critical patent/CN202705545U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Abstract

The utility model discloses a copper bar continuous movement tinning device which comprises a transmission system (2), an ultrasonic wave thermal debinding groove (3), a first water spraying cleaning pipe (4), at least one acidic tinning groove (11) and other grooves or boxes, wherein the transmission system (2) is used for conveying a copper bar (1). An inlet (20) and an outlet (2) used for the copper bar (1) are arranged on two sides of each groove, conducting wheels (18) are arranged on an electrolysis oil-removal groove (5), the acidic tinning grooves (11), the inlet (20) of the copper bar (1), and the outlet (2) of the copper bar (1), and the upper side of each conducting wheel (18) is provided with a cooling water pipe (28). One end of each conducting wheel (18) is in sliding connection with the copper bar (1), the other end of each conducting wheel (18) is connected with a power negative pole (18-1), and each acidic tinning groove (11) is provided with at least one positive pole plate (19) which is connected with a power positive pole (19-1). The copper bar continuous movement tinning device can enable the copper bar to move in continuous and constant-speed mode in each electroplating groove through the transmission system, electroplating can be conducted under high electric current density, tinning efficiency is improved, and the surface of the tinning layer is even and smooth.

Description

A kind of copper bar tin equipment of walking about continuously
Technical field
The utility model relates to the electroplating technology field, relate to specifically a kind of copper bar tin equipment of walking about continuously.
Background technology
In electric power, electrician, electric essential industry field, copper bar is as the extensive a large amount of electric switch engineerings (such as power distribution cabinet, transformer, power transmission and transformation) that are used for of conduction connection carrier, be anti-oxidation, improve conductive capability, especially the overlapping part at copper bar need carry out coating, prevents oxide treatment.
At present, equipment to the zinc-plated use of copper bar is to hang tin equipment, at least one plate is set in zinc-plated cell body in this equipment, cathode plate, plate is connected with the positive pole of power supply, cathode plate fixedly is electrically connected with copper bar respectively through some suspenders, has the gap between plate and the copper bar, place in the coating bath electroplate liquid with copper bar part or integral body that suspender is hung, plated surface last layer tin coating at copper bar reaches anti-oxidation, still, this technique is in electroplating process, the copper bar of being hung by suspender is connected with power supply to be fixed, its be electrically connected around point of contact the current density size along with from fixing electrical contact more away from, its corresponding current density is less, cause the electrolytic coating on copper bar surface inhomogeneous, the surface is uneven, and copper bar is electrically connected the increase of point of contact along with conduction time, copper bar is electrically connected the point of contact surface temperature and sharply rises, copper bar electrical connection point of contact temperature is higher, and its surperficial current density is less, will cause electroplating efficiency to descend; Plating tank is in the state of freely opening in this technique, when copper bar is electroplated, and the plating bath volatilization of being heated in the groove, the acid mist waste gas of electroplating generation can't seal, collection and treatment, waste gas can't seal, and acid mist fills the air the space, poor working environment has a strong impact on environment, and acid mist diminishes healthy.
Summary of the invention
For the deficiency that exists in the existing copper bar rack plating technology, the purpose of this utility model provides a kind of copper bar tin equipment of walking about continuously, this equipment can with copper bar to be plated in plating tank continuously, at the uniform velocity walk about, can also under higher current density, electroplate, not only improve zinc-plated efficient, the tin coating surface uniform of copper bar is smooth, smooth, careful, strong adhesion, corrosion resistance is strong, and, this equipment can be made purifying treatment with the harmful exhausts such as acid mist that produce in the plating bath, and environmentally safe improves the working environment of workers.
For achieving the above object, a kind of copper bar of the present utility model tin equipment of walking about continuously, it comprises: the transmission system 2 that is used for transmitting copper bar 1, ultrasonic heat degreasing tank 3, the first spraying-rinsing pipe 4, at least one electrolytic degreasing groove 5, the second spraying-rinsing pipe 6, acidic activated groove 7, the 3rd spraying-rinsing pipe 8, pre-acid dip tank 9, the 4th pure water wash tube 10, at least one acid pot 11, the 5th spraying-rinsing pipe 12, the first hot water rinse bath 13, weak acid neutralizing well 14, the 6th spraying-rinsing pipe 15, the second hot water rinse bath 16, blowing, drying baker 17, it is characterized in that: above-mentioned each groove both sides have the outlet 21 that the entrance 20 that enters for copper bar 1 and copper bar 1 are sent, electrolytic degreasing groove 5, copper bar 1 entrance 20 of acid pot 11 and copper bar 1 outlet 21 places are equipped with conductive casters 18, conductive casters 18 is used for the conduction of copper bar 1, the upside of conductive casters 18 is equipped with supplies with the water coolant 28 that flows, one end and the copper bar 1 of conductive casters 18 are slidingly connected, and the other end of conductive casters 18 is connected with power cathode 18-1; Each acid pot 11 is equipped with at least one plate 19, and plate 19 is connected with positive source 19-1, has the gap between plate 19 and the copper bar 1; Above-mentioned each groove is comprised of torage tank 25, female groove 22 and pilot trench 23 respectively, be equipped with recycle pump 24 between torage tank 25 and the pilot trench 23, the fluid inlet of recycle pump 24 is connected with torage tank 25, the liquid outlet of recycle pump 24 is connected with the bottom of pilot trench 23, pilot trench 23 is connected with female groove 22, and female groove 22 bottoms are connected with torage tank 25.
The cell body of above-mentioned ultrasonic heat degreasing tank 3, electrolytic degreasing groove 5, acidic activated groove 7, pre-acid dip tank 9, acid pot 11, the first hot water rinse bath 13, weak acid neutralizing well 14, the second hot water rinse bath 16 is outside equipped with the transmission system 2 that moves for driving copper bar 1, described transmission system 2 comprises gear frame 2-1, power wheel 2-2, correcting bar 2-3.
Seal closure 26 is equipped with respectively in the top of above-mentioned ultrasonic heat degreasing tank 3, electrolytic degreasing groove 5, acidic activated groove 7, pre-acid dip tank 9, acid pot 11, the first hot water rinse bath 13, weak acid neutralizing well 14, the second hot water rinse bath 16, seal closure 26 is built-in with induced exhaust 27, and each induced exhaust 27 is connected with exhaust gas washing tower.
At least one above-mentioned electrolytic degreasing groove 5 is comprised of the first electrolytic degreasing groove, the second electrolytic degreasing groove, the 3rd electrolytic degreasing groove.
The acid pot 11 of above-mentioned at least one is comprised of the first acid pot, the second acid pot, the 3rd acid pot, tetracid pot, the 5th acid pot, the 6th acid pot.
A kind of copper bar of the present utility model advantage that tin equipment has compared with prior art of walking about continuously is: this equipment can with copper bar to be plated in plating tank continuously, at the uniform velocity walk about, each acid pot two is equipped with conductive casters, one end and the copper bar of conductive casters are slidingly connected, the other end of conductive casters is connected with power cathode, the upside of conductive casters is equipped with supplies with the water-cooled tube that flows, this water-cooled tube is to the moving water coolant of copper bar and conductive casters junction feeding continuous flow, cool off, can reduce copper bar and contact the temperature that conduction produces with conductive casters, can under higher current density, electroplate, not only improve zinc-plated efficient, can also improve zinc-plated quality, the tin coating surface brightness of copper bar is bright, smooth, the coating crystallization is even, careful, corrosion resistance nature is strong, and the induced exhaust that is connected with exhaust gas washing tower of this equipment setting, the harmful exhausts such as acid mist that produce in the electroplate liquid can be made purifying treatment, environmentally safe improves the working environment of workers.
Description of drawings
Fig. 1 is walk about the continuously structural representation of tin equipment of a kind of copper bar of the present utility model;
Fig. 2 is the A-A sectional structure schematic diagram of ultrasonic heat degreasing tank 3 among Fig. 1 (the ultrasonic heat degreasing of copper bar to be plated, spraying-rinsing are processed);
Fig. 3 is the B-B sectional structure schematic diagram of electrolytic degreasing groove 5 among Fig. 1 (electrolytic degreasing, spraying-rinsing are processed);
Fig. 4 is the C-C sectional structure schematic diagram of acidic activated groove 7 among Fig. 1 (acidic activated, spraying-rinsing is processed);
Fig. 5 is the D-D sectional structure schematic diagram of pre-acid dip tank 9 among Fig. 1 (pre-pickling, pure water clean);
Fig. 6 a is the E-E sectional structure schematic diagram of acid pot 11 among Fig. 1 (acid zinc-plated, spraying-rinsing processing);
Fig. 6 b is the P-P sectional structure schematic diagram of acid pot 11 among Fig. 6 a (acid zinc-plated processing);
Fig. 7 is the F-F sectional structure schematic diagram of the first hot water rinse bath 13 among Fig. 1, weak acid neutralizing well 14 (hot water cleaning, weak acid neutralization, spraying-rinsing are processed);
Fig. 8 is the G-G sectional structure schematic diagram of the second hot water rinse bath 16 (hot water cleaning, blowing, drying and processing) among Fig. 1.
Embodiment
Below in conjunction with Figure of description embodiment of the present utility model is described in further detail.
Extremely shown in Figure 8 such as Fig. 1, a kind of copper bar of the present utility model tin equipment of walking about continuously, it comprises: the transmission system 2 that is used for transmitting copper bar 1, ultrasonic heat degreasing tank 3, the first spraying-rinsing pipe 4, at least one electrolytic degreasing groove 5, the second spraying-rinsing pipe 6, acidic activated groove 7, the 3rd spraying-rinsing pipe 8, pre-acid dip tank 9, the 4th pure water wash tube 10, at least one acid pot 11, the 5th spraying-rinsing pipe 12, the first hot water rinse bath 13, weak acid neutralizing well 14, the 6th spraying-rinsing pipe 15, the second hot water rinse bath 16, blowing, drying baker 17, it is characterized in that: above-mentioned each groove both sides have the outlet 21 that the entrance 20 that enters for copper bar 1 and copper bar 1 are sent, electrolytic degreasing groove 5, copper bar 1 entrance 20 of acid pot 11 and copper bar 1 outlet 21 places are equipped with conductive casters 18, conductive casters 18 is used for the conduction of copper bar 1, the upside of conductive casters 18 is equipped with supplies with the water-cooled tube 28 that flows, one end and the copper bar 1 of conductive casters 18 are slidingly connected, and the other end of conductive casters 18 is connected with power cathode 18-1; Each acid pot 11 is equipped with at least one plate 19, and plate 19 is connected with positive source 19-1, has the gap between plate 19 and the copper bar 1; Above-mentioned each groove is comprised of torage tank 25, female groove 22 and pilot trench 23 respectively, be equipped with recycle pump 24 between torage tank 25 and the pilot trench 23, the fluid inlet of recycle pump 24 is connected with torage tank 25, the liquid outlet of recycle pump 24 is connected with the bottom of pilot trench 23, pilot trench (23) is connected with female groove (22), and female groove 22 bottoms are connected with torage tank 25.
The cell body of above-mentioned ultrasonic heat degreasing tank 3, electrolytic degreasing groove 5, acidic activated groove 7, pre-acid dip tank 9, acid pot 11, the first hot water rinse bath 13, weak acid neutralizing well 14, the second hot water rinse bath 16 is outside equipped with the transmission system 2 that moves for driving copper bar 1, described transmission system 2 comprises gear frame 2-1, power wheel 2-2, correcting bar 2-3.
At least one above-mentioned electrolytic degreasing groove (5) is comprised of the first electrolytic degreasing groove, the second electrolytic degreasing groove, the 3rd electrolytic degreasing groove, during electrolytic degreasing, can be according to copper bar 1 surface and oil contaminant degree to be plated, the number of setup and use electrolytic degreasing groove 5, the needs that degrease to satisfy copper bar 1 to be plated for example use two or three electrolytic degreasing grooves 5 to degrease.
The acid pot 11 of above-mentioned at least one is comprised of the first acid pot, the second acid pot, the 3rd acid pot, tetracid pot, the 5th acid pot, the 6th acid pot, during plating, can be according to the thickness of copper bar 1 tin coating to be plated, the number of the acid pot 11 of setup and use is to satisfy the needs of copper bar 1 different thickness tin coating to be plated.
Referring to figs. 1 through Fig. 8, walk about the continuously zinc-plated process of plating of tin equipment of a kind of copper bar of the present utility model is as follows:
S101,4 to 6 meters long copper bars to be plated 1 are entered 3 degreasings of ultrasonic heat degreasing tank through transmission system 2, spraying-rinsing is processed again, and it is specific as follows:
The copper bar to be plated 1 that 4-6 rice is long is put into transmission system 2 and is transmitted through power wheel 2-2, again after correcting bar 2-3 correcting, enter hot degreasing tank 3, adopt the ultrasonic generator ultrasonic cleaning to process, remove the surface of copper bar 1 to be plated and the dirt in the slit, treat copper facing row 1 water spray through the first spraying-rinsing pipe 4 again after the skimming treatment and wash down processing, the employed scavenging solution prescription of described ultrasonic degreasing clean is: sodium hydroxide 10~100g/L, yellow soda ash 10~50g/L, interfacial agent 10~50g/L, all the other are water, cleaning temperature is 50 ℃~70 ℃, scavenging period is 10~30 seconds, and the skimming treatment mode is immersion way;
S102, the described copper bar 1 to be plated of step S101 is entered at least one electrolytic degreasing groove 5 electrolytic degreasing through transmission system 2, spraying-rinsing is processed again, and it is specific as follows:
Copper bar to be plated 1 after the degreasing washing is entered electrolytic degreasing groove 5 through transmission system 2 carry out oil removal treatment, described electrolytic degreasing solution formula is: sodium hydroxide 10~100g/L, yellow soda ash 10~50g/L, interfacial agent 10~50g/L, all the other are water, 50 ℃~70 ℃ of degreasing tank temperature controls;
S103, that the described copper bar 1 to be plated of step S102 is entered acidic activated groove 7 through transmission system 2 is acidic activated, and spraying-rinsing is processed again, and it is specific as follows:
Copper bar to be plated 1 behind the electrolytic degreasing 5 is processed through the second spraying-rinsing pipe 6 spraying-rinsings again, copper bar to be plated 1 after spraying-rinsing is processed enters acidic activated groove 7 through transmission system 2 and carries out acidic activated processing, and then process through the 3rd spraying-rinsing pipe 8 spraying-rinsings, described acidic activated solution composition is industrial sulphuric acid, its concentration is 5~15%, activating treatment temperature is normal temperature, and the activation treatment time is 10~30 seconds;
S104, the described copper bar 1 to be plated of step S103 is entered pre-acid dip tank 9 pre-picklings, pure water clean through transmission system 2;
S105, the described copper bar 1 to be plated of step S104 is entered at least one acid pot 11 through transmission system 2 carry out zinc-platedly, spraying-rinsing is processed again; Each acid pot 11 external being useful on drives the transmission system 2 that copper bar 1 moves, each acid pot 11 two is equipped with conductive casters 18, one end and the copper bar 1 of conductive casters 18 are slidingly connected, the other end of conductive casters 18 is connected with power cathode 18-1, the upside of conductive casters 18 is equipped with supplies with the water-cooled tube 28 that flows, each acid pot 11 is equipped with at least one plate 19, plate 19 is connected with positive source 19-1, has the gap between plate 19 and the copper bar 1, described acid Tin plating electrolyte prescription is: stannous sulfate 40~60g/L, sulfuric acid 55~75ml/L, S-150A builds and bathes agent 40~50ml/L, S-150B gloss-imparting agent 6.7~8ml/L, all the other are water, temperature of electroplating solution: 18~22 ℃;
S106, the described tin-coated copper bar 1 of step S105 is entered the first hot water rinse bath 13 hot water clean through transmission system 2, described hot water cleaning temperature is 50 ℃~70 ℃, then enters the neutralization of weak acid neutralizing well 14 weak acid, and spraying-rinsing is processed again; ,
S107, the described tin-coated copper bar 1 of step S106 is entered the second hot water rinse bath 16 hot water clean through transmission system 2, described hot water cleaning temperature is 50 ℃~70 ℃, dries at last, dries, and gets product.

Claims (5)

1. copper bar tin equipment of walking about continuously, it comprises: the transmission system (2) that is used for transmitting copper bar (1), ultrasonic heat degreasing tank (3), the first spraying-rinsing pipe (4), at least one electrolytic degreasing groove (5), the second spraying-rinsing pipe (6), acidic activated groove (7), the 3rd spraying-rinsing pipe (8), pre-acid dip tank (9), the 4th pure water wash tube (10), at least one acid pot (11), the 5th spraying-rinsing pipe (12), the first hot water rinse bath (13), weak acid neutralizing well (14), the 6th spraying-rinsing pipe (15), the second hot water rinse bath (16), blowing, drying baker (17), it is characterized in that: above-mentioned each groove both sides have the outlet (21) that the entrance (20) that enters for copper bar (1) and copper bar (1) are sent, electrolytic degreasing groove (5), copper bar (1) entrance (20) of acid pot (11) and copper bar (1) outlet (21) locate to be equipped with conductive casters (18), conductive casters (18) is used for the conduction of copper bar (1), the upside of conductive casters (18) is equipped with supplies with the water-cooled tube (28) that flows, one end of conductive casters (18) and copper bar (1) are slidingly connected, and the other end of conductive casters (18) is connected with power cathode (18-1); Each acid pot (11) is equipped with at least one plate (19), and plate (19) is connected with positive source (19-1), has the gap between plate (19) and the copper bar (1); Above-mentioned each groove is comprised of torage tank (25), female groove (22) and pilot trench (23) respectively, be equipped with recycle pump (24) between torage tank (25) and the pilot trench (23), the fluid inlet of recycle pump (24) is connected with torage tank (25), the liquid outlet of recycle pump (24) is connected with the bottom of pilot trench (23), pilot trench (23) is connected with female groove (22), and female groove (22) bottom is connected with torage tank (25).
2. a kind of copper bar according to claim 1 tin equipment of walking about continuously, it is characterized in that: above-mentioned ultrasonic heat degreasing tank (3), electrolytic degreasing groove (5), acidic activated groove (7), pre-acid dip tank (9), acid pot (11), the first hot water rinse bath (13), weak acid neutralizing well (14), the cell body of the second hot water rinse bath (16) is outside equipped with for driving the mobile transmission system (2) of copper bar (1), described transmission system (2) comprises gear frame (2-1), power wheel (2-2), correcting bar (2-3).
3. a kind of copper bar according to claim 2 tin equipment of walking about continuously, it is characterized in that: seal closure (26) is equipped with respectively in the top of above-mentioned ultrasonic heat degreasing tank (3), electrolytic degreasing groove (5), acidic activated groove (7), pre-acid dip tank (9), acid pot (11), the first hot water rinse bath (13), weak acid neutralizing well (14), the second hot water rinse bath (16), seal closure (26) is built-in with induced exhaust (27), and each induced exhaust (27) is connected with exhaust gas washing tower.
4. a kind of copper bar according to claim 3 tin equipment of walking about continuously, it is characterized in that: at least one above-mentioned electrolytic degreasing groove (5) is comprised of the first electrolytic degreasing groove, the second electrolytic degreasing groove, the 3rd electrolytic degreasing groove.
5. a kind of copper bar according to claim 4 tin equipment of walking about continuously, it is characterized in that: the acid pot of above-mentioned at least one (11) is comprised of the first acid pot, the second acid pot, the 3rd acid pot, tetracid pot, the 5th acid pot, the 6th acid pot.
CN 201220295983 2012-06-21 2012-06-21 Copper bar continuous movement tinning device Expired - Lifetime CN202705545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220295983 CN202705545U (en) 2012-06-21 2012-06-21 Copper bar continuous movement tinning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220295983 CN202705545U (en) 2012-06-21 2012-06-21 Copper bar continuous movement tinning device

Publications (1)

Publication Number Publication Date
CN202705545U true CN202705545U (en) 2013-01-30

Family

ID=47585866

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220295983 Expired - Lifetime CN202705545U (en) 2012-06-21 2012-06-21 Copper bar continuous movement tinning device

Country Status (1)

Country Link
CN (1) CN202705545U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102703959A (en) * 2012-06-21 2012-10-03 周建元 Copper bar continuous travelling tinning method and equipment
CN105132995A (en) * 2015-07-31 2015-12-09 江苏泰利达实业有限公司 Electroplating box with two adjustable ends
CN106702469A (en) * 2015-08-07 2017-05-24 大全集团有限公司成套分公司 Two-end tin-plating automatic production line
CN107385498A (en) * 2017-07-27 2017-11-24 肇庆市中南天实业有限公司 Copper bar is tin plating to use cylinder groove and the tin plating production equipment of full-automatic copper bar and method
CN108179459A (en) * 2018-02-24 2018-06-19 徐善刚 Copper bar electrolytic tinning slot and the tin plating production equipment of full-automatic copper bar

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102703959A (en) * 2012-06-21 2012-10-03 周建元 Copper bar continuous travelling tinning method and equipment
CN102703959B (en) * 2012-06-21 2015-02-25 周建元 Copper bar continuous travelling tinning method and equipment
CN105132995A (en) * 2015-07-31 2015-12-09 江苏泰利达实业有限公司 Electroplating box with two adjustable ends
CN106702469A (en) * 2015-08-07 2017-05-24 大全集团有限公司成套分公司 Two-end tin-plating automatic production line
CN106702469B (en) * 2015-08-07 2019-03-22 大全集团有限公司成套分公司 The tin plating automatic assembly line in both ends
CN107385498A (en) * 2017-07-27 2017-11-24 肇庆市中南天实业有限公司 Copper bar is tin plating to use cylinder groove and the tin plating production equipment of full-automatic copper bar and method
CN108179459A (en) * 2018-02-24 2018-06-19 徐善刚 Copper bar electrolytic tinning slot and the tin plating production equipment of full-automatic copper bar

Similar Documents

Publication Publication Date Title
CN102703959B (en) Copper bar continuous travelling tinning method and equipment
CN202705545U (en) Copper bar continuous movement tinning device
CN103372548B (en) Large aluminum fin automatic cleaning device and method
CN204356422U (en) Loudspeaker terminal electronickelling gold tin production line in a kind of portable computer
CN103952737A (en) Steel band continuous copper plating VI
CN102605400A (en) Steel strip continuous copper plating process
CN102071446A (en) Continuous electroplating process for weldable aluminum coiled material
CN203750926U (en) Large automatic cleaning device for aluminum fins
CN107435163A (en) Horizontal electroplating production line of circuit board
CN108149179A (en) A kind of fastener hot dip galvanizing production process
CN101942686A (en) Production process of coppered steel wire for enhancing rubber hose
CN103924225A (en) High tin bronze plating solution for chemical plating of surface of tempered bead wire, and its chemical dip plating method
CN102899697A (en) Copper plating process for welding wire
CN103603022A (en) Steel wire heat treatment-electrolysis-phosphorization continuous production line equipment and process
CN103834983B (en) The environment-protecting energy-saving liquor phase plasma cleaning method of shape
CN205556804U (en) Electrolytic refining device of silver
CN105506725A (en) Steel strip degreasing process
CN202610379U (en) Continuous electrolytic polishing device for nickel tungsten alloy strip
CN107385498A (en) Copper bar is tin plating to use cylinder groove and the tin plating production equipment of full-automatic copper bar and method
CN103774186A (en) Negative polar plate needle-spraying counter-flow cleaning device in subsequent electrolysis working section of electrolytic zinc
CN207193412U (en) Copper strips continuous tin plating production line
CN102912369A (en) Automatic acid-washing process for steel tubes
CN110343819A (en) A kind of silicon steel heat treatment deep processing production general assembly line
CN102787346A (en) Coating film cleaning process for clean environment-friendly plasma
CN206970715U (en) A kind of chemical nickel and gold production line

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130130

Effective date of abandoning: 20150225

RGAV Abandon patent right to avoid regrant