CN216304027U

CN216304027U - Device for delaying aging of zinc-nickel alloy plating solution

Info

Publication number: CN216304027U
Application number: CN202122925842.6U
Authority: CN
Inventors: 侯继斌; 张小勇; 韩秀台; 曹聚涛; 刘新伟; 王伟党; 鲁显礼; 李达; 潘雄
Original assignee: Henan Starlight Mechanical Co ltd
Current assignee: Henan Starlight Mechanical Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-15
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a device for delaying aging of a zinc-nickel alloy plating solution, which comprises an aging device, wherein the upper end of the aging device is provided with a plating bath, the two side bath walls of the plating bath are fixedly connected with a copper bar together, two stainless steel bolts are arranged on the copper bar, an anode membrane main body is connected between the copper bars through the two stainless steel bolts, the lower part of the right end of the aging device is fixedly connected with a flowmeter, the flowmeter is connected with the anode membrane main body together, the right end of the aging device is provided with a membrane anode circulating groove, and the left end of the membrane anode circulating groove is fixedly connected with a circulating pump. According to the device for delaying the aging of the zinc-nickel alloy plating solution, the anode film main body is arranged, so that the generation of cyanide is avoided, the appearance of carbonate is reduced, the aging of the plating solution is delayed, the consumption of additives is reduced, and the cathode current efficiency is improved, so that the production efficiency is improved, and the purposes of environmental protection, energy conservation, emission reduction and capital saving are achieved.

Description

Device for delaying aging of zinc-nickel alloy plating solution

Technical Field

The utility model relates to the technical field of aging of a zinc-nickel alloy plating solution, in particular to a device for delaying aging of the zinc-nickel alloy plating solution.

Background

The zinc-nickel alloy coating is an excellent protective coating, has high corrosion resistance and low hydrogen brittleness, and is suitable for being used in severe industrial atmosphere and severe marine environment. The corrosion resistance of the zinc-nickel alloy plating layer with the nickel mass fraction of 7-9% is more than 3 times of that of the zinc plating layer; the corrosion resistance of the zinc-nickel alloy plating layer with the nickel mass fraction of about 13 percent is more than 5 times of that of the zinc plating layer. Particularly, after heating at the temperature of 200-. The method not only brings great pressure to environmental protection, but also greatly reduces the electroplating efficiency; 2. the traditional zinc-nickel alloy is high in cost, and equipment is unstable due to cyanide generated by amine oxidation in the electroplating process, so that a novel device for delaying aging of a zinc-nickel alloy plating solution is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a device for delaying the aging of a zinc-nickel alloy plating solution, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a delay ageing device of zinc-nickel alloy plating bath, includes ageing device, the upper end of ageing device is opened there is the plating bath, the common fixedly connected with copper bar of two side cell walls of plating bath, be provided with two stainless steel bolts on the copper bar, there is the anode film main part through two stainless steel bolted connection between the copper bar, the right-hand member lower part fixedly connected with flowmeter of ageing device, the flowmeter links together with the anode film main part, the right-hand member of ageing device is provided with membrane anode circulating slot, the left end fixedly connected with circulating pump of membrane anode circulating slot, the outlet pipe department of circulating pump is provided with the relief pressure valve, be provided with the back flow in the anode film main part, the one end and the membrane anode circulating slot fixed connection of anode film main part are kept away from to the back flow.

Preferably, one end of the return pipe, which is far away from the membrane anode circulation tank, is fixedly connected with the anode membrane main body, a liquid distribution tank is arranged at the right end of the membrane anode circulation tank, a filter is arranged between the membrane anode circulation tank and the liquid distribution tank, a stirring pump is arranged at the upper end of the liquid distribution tank, and the temperature in the membrane anode circulation tank is set to be 20-30 ℃.

Preferably, the anode membrane main body comprises an anode membrane body, the outer surface of the anode membrane body is fixedly connected with three connecting plates, four plastic pipes are fixedly connected among the three connecting plates, the upper end of the anode membrane body is fixedly connected with a power-on plate, and the anode membrane body is set to have a flow rate of 300-500L/h.

Preferably, the upper end left part fixedly connected with anolyte advances the pipe, the upper end right part fixedly connected with anolyte exit tube of anolyte advances the pipe, the anolyte advances the one end that the pipe kept away from the anolyte and links together with the flowmeter.

Preferably, the end of the anolyte outlet pipe, which is far away from the anodic film body, is connected with a funnel in an inserting manner, and the lower end of the funnel is connected with a return pipe.

Preferably, the front end of the copper bar is provided with two bolt holes, the two stainless steel bolts are respectively positioned in the two bolt holes, and the copper bar is connected with the anode membrane body through the two stainless steel bolts.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, by arranging the aging device, when the aging device is used, the anode membrane body is made of ceramic, the interior of the anode membrane body is conductive through the anode rod, when the anode membrane body is installed, the anode membrane body is installed on the copper bar through the two stainless steel bolts through the bolt holes, the plastic pipe needs to have certain strength, the extrusion deformation is prevented, the liquid pressure in the membrane is increased, further the leakage of alkali liquor is reduced, and when the anode membrane is used, the liquid distribution tank is set to be a stainless steel tank body (1000L); the membrane anode circulating tank is made of polypropylene or a carbon steel tank (3000L) lined with plastic; the flow rate of each anode membrane body is set to be 300-500L/h; the concentration of the anode circulating liquid is set to be 140-160 g/L; the current efficiency and the productivity can be stabilized by using the anode membrane body, and the generation of pollutants in the zinc-nickel alloy plating solution is avoided by using an aging device; the generation of the decomposition products reduces the current efficiency, namely reduces the productivity, stabilizes the nickel content of the plating layer, can ensure the nickel content of the plating layer under the condition of not increasing the concentration of nickel ions in the plating solution, does not generate cyanide in the electroplating process, is safe and reliable, and the generated wastewater is easy to treat;

2. according to the utility model, by arranging the anode membrane main body, the anode fluid inlet pipe and the anode fluid outlet pipe are connected to the anode membrane main body, the diameter of the anode fluid inlet pipe is smaller than that of the anode fluid outlet pipe, when the device is used, each anode membrane main body is provided with an independent circulating pipeline, the tail end of a return pipe cannot be immersed in the anode fluid, the liquid level of an anode fluid tank is lower than that of the anode fluid outlet pipe so as to prevent the membrane from being damaged due to overlarge pressure in the membrane, the temperature of the anode circulating fluid is set to be 20-30 ℃ (a facility needs to be cooled in summer), and the chemical impedance of the anode membrane main body can be reduced due to high temperature; the volume of the membrane anode circulating tank is set to be about 10-15% of the volume of the zinc-nickel tank; after the thin film anode is used, oxygen generated by the anode film body is only in the aging device and is not contacted with an additive in the plating solution, so that the coordination agent can be prevented from being decomposed on the anode, the generation of cyanide is avoided, the generation of carbonate is reduced, the aging of the plating solution is delayed, the consumption of the additive is reduced, and the purposes of environmental protection, energy conservation, emission reduction and capital saving are achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of a device for delaying the aging of a zinc-nickel alloy plating solution according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of the anode membrane main body of the device for delaying the aging of the zinc-nickel alloy plating solution;

FIG. 3 is a schematic structural diagram of a copper bar of the device for delaying aging of a zinc-nickel alloy plating solution according to the present invention;

FIG. 4 is a schematic diagram of the complete connection of an aging apparatus of an apparatus for delaying aging of a zinc-nickel alloy plating solution according to the present invention.

In the figure: 1. an aging device; 2. an electroplating bath; 3. an anodic film body; 4. copper bars; 5. a flow meter; 6. a membrane anode circulation tank; 7. a pressure reducing valve; 8. a circulation pump; 9. a return pipe; 10. a liquid preparation tank; 11. a filter; 12. a stirring pump; 13. a stainless steel bolt; 31. an anodic film body; 32. a connecting plate; 33. a plastic tube; 34. a power-on plate; 35. feeding anolyte into the tube; 36. an anolyte outlet pipe; 37. a funnel; 41. bolt holes.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through interconnections within the elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a device for delaying aging of a zinc-nickel alloy plating solution, including an aging device 1, the upper end of the aging device 1 is provided with a plating bath 2, two side tank walls of the plating bath 2 are fixedly connected with a copper bar 4 together, the copper bar 4 is provided with two stainless steel bolts 13, the copper bar 4 is connected with an anode membrane main body 3 through the two stainless steel bolts 13, the lower part of the right end of the aging device 1 is fixedly connected with a flowmeter 5, the flowmeter 5 is connected with the anode membrane main body 3, the right end of the aging device 1 is provided with a membrane anode circulation tank 6, the left end of the membrane anode circulation tank 6 is fixedly connected with a circulation pump 8, a pressure reducing valve 7 is arranged at the water outlet pipe of the circulation pump 8, a return pipe 9 is arranged on the anode membrane main body 3, and one end of the return pipe 9, which is far away from the anode membrane main body 3, is fixedly connected with the membrane anode circulation tank 6.

One end of the return pipe 9, which is far away from the membrane anode circulating tank 6, is fixedly connected with the anode membrane main body 3, the right end of the membrane anode circulating tank 6 is provided with a liquid distribution tank 10, a filter 11 is arranged between the membrane anode circulating tank 6 and the liquid distribution tank 10, the upper end of the liquid distribution tank 10 is provided with a stirring pump 12, and the temperature in the membrane anode circulating tank 6 is set to be 20-30 ℃; the tank body in the membrane anode circulating tank 6 is about 10-15% of the zinc-nickel tank body, the anode membrane main body 3 comprises an anode membrane body 31, the outer surface of the anode membrane body 31 is fixedly connected with three connecting plates 32, four plastic pipes 33 are fixedly connected among the three connecting plates 32, the upper end of the anode membrane body 31 is fixedly connected with a power-on plate 34, the anode membrane body 31 is set to flow of 300 plus materials at 500L/h, when the aging device 1 is used, the anode membrane body 31 is made of ceramic, the inside of the anode membrane body 31 is conductive through an anode rod, when the anode membrane body 31 is installed, the anode membrane body 31 is installed on the copper bar 4 through two stainless steel bolts 13, the plastic pipe 33 needs to have certain strength to prevent extrusion deformation and increase the liquid pressure in the membrane, further reducing the leakage of alkali liquor, and when the anode membrane is used, the liquid distribution tank 10 is arranged to be a stainless steel tank body (1000L); an anolyte inlet pipe 35 is fixedly connected to the left part of the upper end of the anolyte membrane body 31, the anolyte inlet pipe 35 is positioned outside the aging device 1 and is convenient for observing anolyte flow, an anolyte outlet pipe 36 is fixedly connected to the right part of the upper end of the anolyte membrane body 31, one end of the anolyte inlet pipe 35, which is far away from the anolyte membrane body 31, is connected with the flowmeter 5, and the membrane anode circulation tank 6 is a carbon steel tank (3000L) made of polypropylene or lined with plastics; the flow rate of each anode membrane body 31 is set to be 300-500L/h; the concentration of the anode circulating liquid is set to be 140-160 g/L; one end of the anolyte outlet pipe 36, which is far away from the anodic film body 31, is inserted and connected with a funnel 37, the lower end of the funnel 37 is connected with a return pipe 9, namely, anolyte enters the funnel 37 through the anolyte outlet pipe 36, then flows into the film anodic circulation tank 6 through the return pipe 9 connected with the funnel 37, is filtered and stirred, and then flows into the anolyte inlet pipe 35 through a pressure reducing valve 7 connected with a circulating pump 8 to achieve anolyte circulation and return, so that the whole aging device 1 is completed in a circulation reciprocating manner, the current efficiency and the capacity can be stabilized by using the anodic film body 31, and the generation of pollutants in the zinc-nickel alloy plating solution is stopped by using the aging device 1; the generation of the decomposition products reduces the current efficiency, namely reduces the productivity, stabilizes the nickel content of the plating layer, can ensure the nickel content of the plating layer under the condition of not increasing the concentration of nickel ions in the plating solution, does not generate cyanide in the electroplating process, is safe and reliable, and the generated wastewater is easy to treat; the front end of the copper bar 4 is provided with two bolt holes 41, the two stainless steel bolts 13 are respectively positioned in the two bolt holes 41, the copper bar 4 is connected with the anode membrane body 31 through the two stainless steel bolts 13, the anode membrane body 31 on the anode membrane main body 3 is connected with an anode liquid inlet pipe 35 and an anode liquid outlet pipe 36, the diameter of the anode liquid inlet pipe 35 is smaller than that of the anode liquid outlet pipe 36, when the device is used, each anode membrane body 31 is provided with an independent circulating pipeline, the tail end of the return pipe 9 cannot be immersed in the anode liquid, the liquid level of the electroplating bath 2 is lower than that of the liquid outlet of the anode membrane body 31 so as to prevent the membrane from being damaged due to overlarge pressure in the membrane, the temperature of the anode circulating liquid is set to be 20-30 ℃ (cooling facilities are needed in summer), and the chemical impedance of the anode membrane body can be reduced due to high temperature; the volume of the membrane anode circulating tank 6 is set to be about 10-15% of the volume of the zinc-nickel tank; after the thin film anode is used, oxygen generated by the anode film body 31 is only in the aging device 1 and is not contacted with an additive in the plating solution, so that the coordination agent can be prevented from being decomposed on the anode, the generation of cyanide is avoided, the generation of carbonate is reduced, the aging of the plating solution is delayed, the consumption of the additive is reduced, the purposes of environmental protection, energy conservation, emission reduction and capital saving are achieved, and the whole device is simple in structure.

The utility model is a device for delaying aging of a zinc-nickel alloy plating solution, the device of the utility model is a device for delaying aging of a zinc-nickel alloy plating solution, branch pipeline valves below a flowmeter 5 are opened, a pressure reducing valve 7, a circulating pump 8, a filter 11 and a stirring pump 12 which are arranged on an aging device 1 are opened, by arranging the aging device 1, when the aging device 1 is used, an anode membrane main body 3 is arranged on a copper bar 4 through two stainless steel bolts 13, a solution in a membrane anode circulating tank 6 is filtered through the filter 11 by an anode fluid inlet pipe 35 and then is arranged in an anode membrane main body 31 through the flowmeter 5, the anode membrane main body 31 is made of ceramics, the interior is electrically conducted through an anode rod, when the anode membrane main body 31 is arranged, the anode membrane main body 31 is arranged on the copper bar 4 through the two stainless steel bolts 13, a plastic pipe 33 needs to have certain strength to prevent extrusion deformation and increase the liquid pressure in the membrane, further reducing the leakage of alkali liquor, and when the anode membrane is used, the liquid distribution tank 10 is arranged to be a stainless steel tank body (1000L); the membrane anode circulating tank 6 is made of polypropylene or a carbon steel tank (3000L) lined with plastic; the flow rate of each anode membrane body 31 is set to be 300-500L/h; the concentration of the anode circulating liquid is set to be 140-160 g/L; the solution in the anode membrane body 31 flows into the funnel 37 through the anode liquid outlet pipe 36 and then is placed into the membrane anode circulating tank 6 through the return pipe 9 to be circularly reciprocated, so that the whole anode membrane circulating system is formed, the current efficiency and the capacity can be stabilized by using the anode membrane body 31, and the pollutant generation in the zinc-nickel alloy plating solution is avoided by using the aging device 1; the generation of the decomposition products reduces the current efficiency, namely reduces the productivity, stabilizes the nickel content of the plating layer, can ensure the nickel content of the plating layer under the condition of not increasing the concentration of nickel ions in the plating solution, does not generate cyanide in the electroplating process, is safe and reliable, and the generated wastewater is easy to treat; by arranging the aging device 1, an anolyte inlet pipe 35 and an anolyte outlet pipe 36 are connected to the anodic film body 31, the diameter of the anolyte inlet pipe 35 is smaller than that of the anolyte outlet pipe 36, when the device is used, each anodic film body 31 is provided with an independent circulating pipeline, the tail end of a return pipe 9 cannot be immersed in anolyte, the liquid level of the electroplating bath 2 is lower than that of a liquid outlet of the anodic film body 31 so as to prevent the film from being damaged due to overlarge pressure in the film, the temperature of the anodic circulating liquid is set to be 20-30 ℃ (temperature reduction facilities are needed in summer), and the chemical impedance of the anodic film body can be reduced due to high temperature; the volume of the membrane anode circulating tank 6 is set to be about 10-15% of the volume of the zinc-nickel tank; after the thin film anode is used, oxygen generated by the anode film body 31 is only in the aging device 1 and is not contacted with an additive in the plating solution, so that the coordination agent can be prevented from being decomposed on the anode, the generation of cyanide is avoided, the generation of carbonate is reduced, the aging of the plating solution is delayed, the consumption of the additive is reduced, and the purposes of environmental protection, energy conservation, emission reduction and capital saving are achieved; after the aging device 1 is used, a branch switch below the flowmeter 5 is closed; the whole device has simple structure and is suitable for the device for delaying the aging of the zinc-nickel alloy plating solution.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a device for postponing ageing of zinc-nickel alloy plating solution, includes ageing device (1), its characterized in that: the upper end of the aging device (1) is provided with an electroplating bath (2), the wall of the electroplating bath (2) on two sides is fixedly connected with a copper bar (4) together, two stainless steel bolts (13) are arranged on the copper bar (4), an anode membrane main body (3) is connected between the copper bar (4) through the two stainless steel bolts (13), the lower part of the right end of the aging device (1) is fixedly connected with a flowmeter (5), the flowmeter (5) is connected with the anode membrane main body (3), the right end of the aging device (1) is provided with a membrane anode circulating groove (6), the left end of the membrane anode circulating tank (6) is fixedly connected with a circulating pump (8), a pressure reducing valve (7) is arranged at the water outlet pipe of the circulating pump (8), a return pipe (9) is arranged on the anode membrane main body (3), and one end of the return pipe (9) far away from the anode membrane main body (3) is fixedly connected with the membrane anode circulating tank (6).

2. The device for delaying the aging of the zinc-nickel alloy plating solution according to claim 1, which is characterized in that: a liquid distribution tank (10) is arranged at the right end of the membrane anode circulation tank (6), a filter (11) is arranged between the membrane anode circulation tank (6) and the liquid distribution tank (10), a stirring pump (12) is arranged at the upper end of the liquid distribution tank (10), and the temperature in the membrane anode circulation tank (6) is set to be 20-30 ℃.

3. The apparatus for delaying aging of zinc-nickel alloy plating solution according to claim 2, characterized in that: the anode membrane main body (3) comprises an anode membrane body (31), the outer surface of the anode membrane body (31) is fixedly connected with three connecting plates (32), four plastic pipes (33) are fixedly connected among the three connecting plates (32), the upper end of the anode membrane body (31) is fixedly connected with a power-on plate (34), and the anode membrane body (31) is set to have the flow rate of 300-500L/h.

4. The apparatus of claim 3, wherein the apparatus comprises: the utility model discloses an anode membrane, including anode membrane body (31), the upper end left part fixedly connected with anolyte advances pipe (35) of anode membrane body (31), the upper end right part fixedly connected with anolyte exit tube (36) of anode membrane body (31), the one end that anode membrane body (31) were kept away from in anolyte advance pipe (35) links together with flowmeter (5).

5. The apparatus of claim 4, wherein the apparatus comprises: one end of the anolyte outlet pipe (36) far away from the anodic film body (31) is inserted and connected with a funnel (37), and the lower end of the funnel (37) is connected with a return pipe (9).

6. The device for delaying the aging of the zinc-nickel alloy plating solution according to claim 1, which is characterized in that: the front end of the copper bar (4) is provided with two bolt holes (41), the two stainless steel bolts (13) are respectively positioned in the two bolt holes (41), and the copper bar (4) is connected with the anode membrane body (31) through the two stainless steel bolts (13).