CN102943300A - Electroplated electrode plate coated by pyrolytic process and method thereof - Google Patents
Electroplated electrode plate coated by pyrolytic process and method thereof Download PDFInfo
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- CN102943300A CN102943300A CN2012104330891A CN201210433089A CN102943300A CN 102943300 A CN102943300 A CN 102943300A CN 2012104330891 A CN2012104330891 A CN 2012104330891A CN 201210433089 A CN201210433089 A CN 201210433089A CN 102943300 A CN102943300 A CN 102943300A
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Abstract
The invention discloses an electroplated electrode plate coated by pyrolytic process and a method thereof. The electroplated electrode plate disclosed herein comprises a main board provided with a plurality of electrode holes, and a connecting plate arranged above the main board, wherein the outer surface of the main board is coated with a coat containing valve-type metals. According to the invention, by compounding corrosion-resistant valve-type metals on the surface of a titanium substrate to form a middle layer for carrying the substrate and an anode coating, the technical problem of low cost and high performance of the anode coating is solved, and the ingredient proportion of the coating and the homogeneity of the thickness are guaranteed.
Description
Technical field
The present invention relates to metallurgy industry band steel eleetrotinplate and process the plating pole plate that unit is used, particularly a kind of plating pole plate of thermal decomposition method coating.
Background technology
Electrolytic tinplate claims again tinplate, it is high technology content and down-stream processing with high added-value product, make packaging vessel and as non-wrapping material etc. with it, have that intensity is high, weldability good, the characteristics such as corrosion-resistant and nontoxicity, thereby be widely used in the industries such as food, medicine, light industry, automobile and household electrical appliances.The method of producing tin plate at present mainly adopts eleetrotinplate technique, namely allows the band steel by plating tank, under the effect of direct supply tin is plated in belt steel surface.
As anode, the band steel is as negative electrode in zinc-plated unit for insoluble plating pole plate.In electroplate liquid, set up Faradaic current by insoluble plating pole plate and band steel (negative electrode), zinc-plated at belt steel surface.Insoluble plating pole plate plays vital effect in zinc-plated unit, its performance quality directly affects the production capacity of its whole piece unit, and then affects benefit.
Summary of the invention
The present invention seeks to: the plating pole plate that a kind of thermal decomposition method coating is provided.
A technical scheme of the present invention is: a kind of plating pole plate of thermal decomposition method coating, it comprises: the web plate that has the mainboard of several electrode holes and be positioned at the mainboard top, wherein the outside surface of mainboard has the coating that one deck contains the valve shaped metal.
It further comprises a pair of retaining plate that is fixed in mainboard both sides and close mainboard upper end and is fixed in the mainboard both sides and a pair of backing plate of close mainboard lower end.
Described mainboard is the titanium material, and described valve shaped metal is platinum or iridium.
The thickness of described coating is more than or equal to 4.5 μ m.
Another technical scheme of the present invention is: a kind of method that is manufactured with the plating pole plate of thermal decomposition method coating, the web plate that described plating pole plate has the mainboard of several electrode holes and is positioned at the mainboard top, and the outside surface of mainboard has the coating that one deck contains the valve shaped metal, and comprises that pre-treatment step and thermal decomposition method prepare the coating step.
Described pre-treatment step comprises: oil removing operation, sandblast operation and pickling process.
Described thermal decomposition method prepares the coating step and comprises:
S1: the preparation coating liquid, it comprises chloro-iridic acid particle or Platinic chloride particle, chloro-iridic acid or chloroplatinic acid catalyst, Virahol or propyl carbinol, TaCl at least
5The butanol solution composition, and the gross weight of the particulate state compounds such as chloro-iridic acid or Platinic chloride is mixed in the ratio of 1:80 ~ 1:60 with coating liquid weight;
S2: adopt vacuum ion plating or electrostatic spraying to be coated on the titanium base material this coating liquid, repeatedly apply, and coated weight successively decreases gradually, coat and to leave standstill 1-2 hour after finishing;
S3: the titanium base material that will brush pushes in the baking oven, and oven dry is 15 minutes under 120 degree environment, and normal temperature leaves standstill and is cooled to room temperature; Then return step S2 and carry out next time masking liquid coating, until the thickness of coating is more than or equal to entering step S4 after the 4.5 μ m;
S4: under 500-505 degree environment, cated titanium base material is carried out sintering, sintering 12 minutes, and whole sintering 500 degree 60 minutes, as be up to the standards then to finishing, as returning step S2 after the defective then cooling.
Advantage of the present invention is:
At the compound more corrosion resistant valve shaped metal of titanium substrate surface, make its formation have the middle layer of accepting matrix and anode coating, reach the technical barrier of the low-cost and high-performance that solves coated anode, guarantee the homogeneity of coating element proportioning and thickness.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is front view of the present invention;
Fig. 2 is that Fig. 1 is along the diagrammatic cross-section of A-A line.
Fig. 3 is process flow diagram of the present invention.
Fig. 4 is oil removing operation schematic diagram of the present invention.
Fig. 5 is sandblast operation schematic diagram of the present invention.
Fig. 6 is pickling process schematic diagram of the present invention.
Fig. 7 is that thermal decomposition method of the present invention prepares coating step schematic diagram.
Embodiment:
Embodiment: shown in Fig. 1-2, it is the specific embodiment of the plating pole plate of a kind of thermal decomposition method coating provided by the invention, and it comprises mainboard 10, the web plate 20 that is positioned at mainboard 10 tops with several electrode holes 14, be fixed in mainboard 10 both sides and near a pair of retaining plate 30 of mainboard 10 upper ends and be fixed in mainboard 10 both sides and near a pair of backing plate 40 of mainboard 10 lower ends.Wherein the outside surface of mainboard 10 has the coating 12 that one deck contains the valve shaped metal, and wherein mainboard 10, web plate 20, retaining plate 30, backing plate 40 are the titanium material, and described valve shaped metal is platinum or iridium.
The valve shaped metal is preferably platinum or iridium metals, and coating 12 adopts vacuum ion plating or electrostatic spraying coating method, and the thickness of coating 12 is more than or equal to 4.5 μ m.
For making above-mentioned plating pole plate, shown in Fig. 3-7, its making processes flow process specific as follows, it comprises that pre-treatment step and thermal decomposition method prepare the coating step, wherein pre-treatment step comprises: oil removing operation, sandblast operation and pickling process.
The oil removing operation is used for removing the greasy dirt on the titanium base material, employing washing powder adds yellow soda ash or washing powder adds the BH-7 alkaline degreaser, rear in alkaline bath, to prepare alkaline wash with the water dilution again, then open vapour generator and with water back alkaline wash is heated to boiling, and will treat that the titanium base material of alkali cleaning put into the alkaline bath alkali cleaning 20 minutes, take out, range estimation, fall residual liquid with flushing with clean water, enter into next operation, i.e. sandblast operation.
The sandblast operation improves the bonding force of coating for increasing the specific surface area of titanium base material, and it comprises the steps:
1) opens air compressor, then open the cooling drying oil removal machine, screen simultaneously corundum sand, garbled sand is added in the material bin;
2) after etc. sand all enters in the hopper, open main valve, make umbrella shape automatically close the valve closure, and check again whether the junction leaks gas, whether firmly connect;
3) after opening air control valve, the sandblast inlet open, then hold nozzle connection and blast tube and aim at the titanium base material, by the thickness of required sandblast the air pressure size is set.；
4) aiming at the titanium base material sprays;
5) sandblast is complete, checks the sandblast situation of titanium substrate surface, if just being reentered into until till the surface uniform of few spray or drain spray arranged, and enters into pickling process;
Pickling process is used for removing rust matter, the scale removal of substrate surface, can make the titanium substrate surface present the pitted skin state simultaneously, has increased the effect of mechanical keys power, makes coating and titanium base material more firm in conjunction with getting.
Wherein pickling process may further comprise the steps:
1) prepare two Rinsing Areas and a heating pickling tank, wherein two Rinsing Areas are put into tap water or pure water, and the heating pickling tank is also put into tap water or pure water;
2) the titanium base material that needs pickling is contained on the frock clamp, then the titanium base material is fixed;
3) water of heating pickling tank heated, when by the time seething with excitement, add oxalic acid nearly, stirring and dissolving continues to be heated to the boiling and forms 10% oxalic acid solution; Then the titanium base material is put into the heating pickling tank, and be 1-3 hour heat-up time;
4) the titanium base material is taken out from the heating pickling tank, put into rapidly a Rinsing Area, wait for 5 minutes and again the titanium base material is taken out from Rinsing Area, be placed on and carry out on the rinsing table washing with tap water;
5) then the titanium base material is put into another Rinsing Area, and take out and to carry out dehydrated alcohol and scrub;
6) scrub after, whether check qualified, the again pickling of defective needs, the qualified thermal decomposition method that then enters prepares the coating step;
The while thermal decomposition method prepares the coating step and comprises:
S1) preparation coating liquid, from following three kinds of masking liquids, select first a kind of:
Masking liquid 1(is by 100 milliliters of calculating) comprise the 200g/L TaCl of 25ml Virahol, 30ml chloro-iridic acid catalyzer, 45ml
5Butanol solution, wherein the chloro-iridic acid catalyzer is auxiliary serial intermediate; Or
Masking liquid 2 comprises the propyl carbinol that contains 35% chloro-iridic acid particle, 160ml of 86g, the Virahol of 160ml, the chloro-iridic acid catalyzer of 160ml, the 200g/L TaCl of 155ml
5Butanol solution if masking liquid 2 is inadequate, can adopt 1:1 propyl carbinol and isopropanol, and wherein the chloro-iridic acid catalyzer is auxiliary serial intermediate; Or
Masking liquid 3 comprises the propyl carbinol that contains 35% chloro-iridic acid particle, 25ml of 14g, the Virahol of 25ml, the chloro-iridic acid catalyzer of 25ml, the 200g/L TaCl5 butanol solution of 12ml, if masking liquid is inadequate, can adopt 1:1 propyl carbinol and isopropanol, wherein the chloro-iridic acid catalyzer is auxiliary serial intermediate.
Then according to the masking liquid in above-mentioned, valve shaped metal such as the particulate state compounds such as chloro-iridic acid or Platinic chloride are dropped in it, and the gross weight of guaranteeing the particulate state compounds such as chloro-iridic acid or Platinic chloride is mixed the formation coating liquid in the ratio of 1:80 ~ 1:60 with coating liquid weight.
S2) adopt vacuum ion plating or electrostatic spraying to be coated on the titanium base material this coating liquid, coating 12 be coated with liquid measure, about 35ml/m for the first time
2Successively decrease gradually later on, wherein coating operation carries out at the brushing platform, to be coated with liquid container and be placed on the worktable specified location, and then by the masking liquid that dips in some amount with hairbrush repeatedly brushing on workpiece, must guarantee brushing evenly, solution can not be too concentrated, must guard against and sneak into foreign matter, action is wanted rapidly, coats need leave standstill 1-2 hour after finishing;
S3) the titanium base material that will brush is positioned on the material frame stably, and material frame is pushed in the baking oven, opens baking oven, then under 120 degree environment cated titanium base material is dried 15 minutes, and normal temperature leaves standstill and is cooled to room temperature; Then return step S2 and carry out next time masking liquid coating, until the thickness of coating 12 enters step S4 more than or equal to after the 4.5 μ m, be also noted that can not masking liquid after direct sintering, otherwise the oxidation of masking liquid after the impact comes off masking liquid; Enter baking oven after applying thus and carry out sintering, this process also is thermal decomposition process, and for working cycle, until the sintered layer of titanium substrate surface reaches till the requirement.
S4) under 500-505 degree environment, cated titanium base material is carried out sintering, sintering 12 minutes, and whole sintering 500 degree 60 minutes, as be up to the standards then to finishing, as returning step S2 after the defective then cooling.
The making processes of electroplating thus pole plate adopts vacuum ion plating or Electrostatic Spray Technology, at the compound more corrosion resistant valve shaped metal of titanium substrate surface, make its formation have the middle layer of accepting matrix and anode coating, reach the technical barrier of the low-cost and high-performance that solves coated anode, guarantee the homogeneity of coating element proportioning and thickness.
Because the utilization of above-mentioned fabrication processing, the present invention compared with prior art has following advantages:
1) increases the effective surface-area of anode, reduce real current density, reduce the overpotential of Oxygen anodic evolution, improve the industrial application life-span of anode product, the over-all propertieies such as energy consumption of reduction product.
2) have corrosion-resistant goodly and without the anode coating of be full of cracks, improve the erosion resistance of anode under severe condition, improve its industrial application life-span.
Certainly above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with technique can understand content of the present invention and according to this enforcement, can not limit protection scope of the present invention with this.The all spirit of main technical schemes is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (7)
1. the plating pole plate of a thermal decomposition method coating, it is characterized in that it comprises: the web plate (20) that has the mainboard (10) of several electrode holes (14) and be positioned at mainboard (10) top, wherein the outside surface of mainboard (10) has the coating (12) that one deck contains the valve shaped metal.
2. the plating pole plate of a kind of thermal decomposition method coating according to claim 1 is characterized in that: it further comprises and is fixed in mainboard (10) both sides and near a pair of retaining plate (30) of mainboard (10) upper end and be fixed in mainboard (10) both sides and near a pair of backing plate (40) of mainboard (10) lower end.
3. the plating pole plate of a kind of thermal decomposition method coating according to claim 2, it is characterized in that: described mainboard (10) is the titanium material, and described valve shaped metal is platinum or iridium.
4. the plating pole plate of a kind of thermal decomposition method coating according to claim 3, it is characterized in that: the thickness of described coating (12) is more than or equal to 4.5 μ m.
5. method that is manufactured with the plating pole plate of thermal decomposition method coating, it is characterized in that: the web plate (20) that described plating pole plate has the mainboard (10) of several electrode holes (14) and is positioned at mainboard (10) top, and the outside surface of mainboard (10) has the coating (12) that one deck contains the valve shaped metal, and comprises that pre-treatment step and thermal decomposition method prepare the coating step.
6. method according to claim 5, it is characterized in that: described pre-treatment step comprises: oil removing operation, sandblast operation and pickling process.
7. method according to claim 6, it is characterized in that: described thermal decomposition method prepares the coating step and comprises:
S1: the preparation coating liquid, it comprises chloro-iridic acid particle or Platinic chloride particle, chloro-iridic acid or chloroplatinic acid catalyst, Virahol or propyl carbinol, TaCl at least
5The butanol solution composition, and the gross weight of chloro-iridic acid or Platinic chloride particulate state compound is mixed in the ratio of 1:80 ~ 1:60 with coating liquid weight;
S2: adopt vacuum ion plating or electrostatic spraying to be coated on the titanium base material this coating liquid, repeatedly apply, and coated weight successively decreases gradually, coat and to leave standstill 1-2 hour after finishing;
S3: the titanium base material that will brush pushes in the baking oven, and oven dry is 15 minutes under 120 degree environment, and normal temperature leaves standstill and is cooled to room temperature; Then return step S2 and carry out next time masking liquid coating, until the thickness of coating is more than or equal to entering step S4 after the 4.5 μ m;
S4: under 500-505 degree environment, cated titanium base material is carried out sintering, sintering 12 minutes, and whole sintering 500 degree 60 minutes, as be up to the standards then to finishing, as returning step S2 after the defective then cooling.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104330891A CN102943300A (en) | 2012-11-02 | 2012-11-02 | Electroplated electrode plate coated by pyrolytic process and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104330891A CN102943300A (en) | 2012-11-02 | 2012-11-02 | Electroplated electrode plate coated by pyrolytic process and method thereof |
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| CN102943300A true CN102943300A (en) | 2013-02-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676618A (en) * | 2017-03-22 | 2017-05-17 | 苏州市汉宜化学有限公司 | Improved gun-color electroplating meshed anode |
Citations (8)
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|---|---|---|---|---|
| US3265526A (en) * | 1961-07-06 | 1966-08-09 | Amalgamated Curacao Patents Co | Method of chemically plating base layers with precious metals of the platinum group |
| WO2000060141A1 (en) * | 1999-04-08 | 2000-10-12 | United States Filter Corporation | Three layer anode and methods of manufacture |
| CN2787685Y (en) * | 2005-04-28 | 2006-06-14 | 江苏华达涂层有限公司 | Reticular anode arrangement of electroplating tank |
| CN2851281Y (en) * | 2005-09-12 | 2006-12-27 | 常州曙光化工厂 | Electrode plate used for production of succinic acid |
| CN1888141A (en) * | 2006-05-24 | 2007-01-03 | 中国船舶重工集团公司第七二五研究所 | Sea water pollution resisting oxide anode and its prepn |
| CN101565833A (en) * | 2009-05-23 | 2009-10-28 | 中国船舶重工集团公司第七二五研究所 | Positive and negative alternate electrolysis-resistance metal oxide electrode |
| CN102719859A (en) * | 2012-07-07 | 2012-10-10 | 西安泰金工业电化学技术有限公司 | Titanium mesh anode for electrodeposited nickel and preparing method thereof |
| CN202865378U (en) * | 2012-11-02 | 2013-04-10 | 苏州宝联重工股份有限公司 | Electroplating polar plate for coating by pyrolytic process |
-
2012
- 2012-11-02 CN CN2012104330891A patent/CN102943300A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3265526A (en) * | 1961-07-06 | 1966-08-09 | Amalgamated Curacao Patents Co | Method of chemically plating base layers with precious metals of the platinum group |
| WO2000060141A1 (en) * | 1999-04-08 | 2000-10-12 | United States Filter Corporation | Three layer anode and methods of manufacture |
| CN2787685Y (en) * | 2005-04-28 | 2006-06-14 | 江苏华达涂层有限公司 | Reticular anode arrangement of electroplating tank |
| CN2851281Y (en) * | 2005-09-12 | 2006-12-27 | 常州曙光化工厂 | Electrode plate used for production of succinic acid |
| CN1888141A (en) * | 2006-05-24 | 2007-01-03 | 中国船舶重工集团公司第七二五研究所 | Sea water pollution resisting oxide anode and its prepn |
| CN101565833A (en) * | 2009-05-23 | 2009-10-28 | 中国船舶重工集团公司第七二五研究所 | Positive and negative alternate electrolysis-resistance metal oxide electrode |
| CN102719859A (en) * | 2012-07-07 | 2012-10-10 | 西安泰金工业电化学技术有限公司 | Titanium mesh anode for electrodeposited nickel and preparing method thereof |
| CN202865378U (en) * | 2012-11-02 | 2013-04-10 | 苏州宝联重工股份有限公司 | Electroplating polar plate for coating by pyrolytic process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676618A (en) * | 2017-03-22 | 2017-05-17 | 苏州市汉宜化学有限公司 | Improved gun-color electroplating meshed anode |
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Application publication date: 20130227 |