CN2175239Y - Equipment for electroplating iron pump pipe for deep well use - Google Patents
Equipment for electroplating iron pump pipe for deep well use Download PDFInfo
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- CN2175239Y CN2175239Y CN 93222955 CN93222955U CN2175239Y CN 2175239 Y CN2175239 Y CN 2175239Y CN 93222955 CN93222955 CN 93222955 CN 93222955 U CN93222955 U CN 93222955U CN 2175239 Y CN2175239 Y CN 2175239Y
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- pump barrel
- anode
- plated
- acid solution
- plating
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Abstract
The utility model relates to a device for plating iron on the inner wall of a deep well pump barrel. The utility model comprises a pump barrel to be plated used as a cathode, a shed-shaped soluble anode with the same center of the pump barrel to be plated arranged in the pump barrel, annular auxiliary cathodes respectively arranged on both ends of the pump barrel, an upper end cover and a lower end cover which are provided with a solution inlet and solution outlet, a transfer pump, an acid liquor reservoir and a plating liquor reservoir which are used for acid liquor and plating liquor going through between the cathode and the anode for being cycled and a corresponding pipeline and a corresponding valve, and the utility model also comprises a filter arranged in the corresponding pipeline when necessary. Workpieces with ratio of length and diameter equal to 60 or larger than 60 obtain a coating whose thickness is uniform and whose bond strength and hardness all conform to technique requires by using the utility model for controlling the cycle speed of the plating liquor and technical specifications.
Description
The utility model relates to a kind of device to deep-well pump barrel inwall acierage, and relating in particular to oil field deep-well pump length is the device of the pump barrel inwall acierage of 6-10 rice.
The oil field deep well pump barrel needs its internal surface plating iron when repairing.In the prior art, adopt a kind of special-purpose plating iron device, two end caps up and down that this device comprises that deep-well pump barrel to be plated, anode, the watertight of arranged concentric in pump barrel to be plated as negative electrode be contained in pump barrel to be plated two ends and be respectively equipped with that solution imports and exports, make liquid by anode and cathode between the space carry out round-robin infusion pump, solution reservoirs, corresponding pipeline and valve, and solution strainer.Carry out the coating of normal temperature plating iron gained with this device, thickness and Hardness Distribution are inhomogeneous in the axial direction, and especially in the 30mm scope of two ends, thickness of coating is seriously inhomogeneous.This be since annode area less than cathode area, and distance is very little between the anode and cathode, easily cause short circuit of carbon mud and the plating bath concentration polarization of galvanic deposit district between the anode and cathode, temperature also sharply raises, particularly concentrated, the too fast event of galvanic deposit of power line in the about 30mm scope in workpiece both ends.
Therefore, the purpose of this utility model is, a kind of acierage device of the above-mentioned type is provided, this device can make plate the thickness uniformity in the axial direction of iron plating, can make the bonding strength of iron plating and hardness meet technical requirements again.
Above-mentioned purpose of the present utility model is on the basis of above-mentioned existing apparatus, adopts not only to increase annode area but also not obviously to dwindle spatial anode between the anode and cathode, and adopts coating blocked up auxiliary cathode in pump barrel to be plated two ends is realized.Specifically, anode in the utility model is a soluble anode, it is the palisade anode assemblies of many thin diameter anode straps being connected of conduction on comprising the center anode pipe and being evenly distributed on this center anode pipe outer circumference surface and with it, and its total area is equal to or greater than the inner wall surface area of pump barrel to be plated; The ring-type shop of being adopted in the utility model helps negative electrode, and between pump barrel to be plated end and end cap, the height of ring can suitably be selected.
Preferably, pump barrel to be plated is erect arrangement with support fix, and the import of acid solution or plating bath is located on the sidewall of lower end cover, outlet then is located on the end face of upper end cover, and acid solution or plating bath are flowed from bottom to top.In addition, center anode pipe two ends respectively have a joint to block pipe, and plating bath or acid solution are flowed in this pipe, and wherein top connection is provided with axial opening and reaches a plurality of radial holes that are communicated with it, and acid solution or plating bath flow to axial opening through radial hole, flow to outlet again.
Preferably, described end cap is up and down made with the polyethylene rigid plastics, and upper and lower ends covers set liquid gangway to pump barrel to be plated and is provided with the ring-type cushioning pocket between the both ends of the surface up and down, and is even to guarantee pump barrel to be plated both ends bath flow rate.
Specifically be exactly:
The plating iron device of deep-well pump barrel, comprising pump barrel to be plated (1) as negative electrode, be fixed on the anode (2) in the pump barrel to be plated with one heart, watertight is connected pump barrel to be plated two ends and is respectively equipped with acid solution or plating bath import and export (3,4) two end caps (5,6), make acid solution or plating bath carry out round-robin infusion pump (8) by space (7) between the described anode and cathode, acid solution storage (9), plating bath storage (10), corresponding pipeline and valve, and acid liquor filtering device (15) and bath filter device (16), it is characterized in that, described anode is a soluble anode, it is to comprise center anode pipe (11) and be evenly distributed on this center anode pipe outer circumference surface and many palisade anode assemblies than minor diameter anode strap (12) being connected of conduction with it, and its total surface area is equal to or greater than the inner wall surface area of pump barrel to be plated; Described pump barrel two ends and be provided with between the end cap up and down in external diameter with the pump barrel end, suitably the ring-type shop of height helps negative electrode (13,14).Described pump barrel to be plated is erect to settle with support and is fixed; The import of acid solution or plating bath (3) is located on the sidewall of lower end cover (6), exports on the end face that (4) then be located at upper end cover (5), and acid solution or plating bath are flowed from bottom to top; Center anode pipe (11) two ends respectively have a joint to block pipe, and plating bath or acid solution are entered in the pipe, are provided with axial opening in the top connection and reach and a plurality of radial holes that are communicated with, and acid solution or plating bath flow to axial opening through radial hole, flow to outlet (4) again.Described end cap (5 up and down, 6) make with the polyethylene rigid plastics, last set acid solution of end cap (5,6) or plating bath gangway to pump barrel to be plated (1) are provided with ring-type cushioning pocket (17 up and down between the both ends of the surface up and down, 18), even to guarantee pump barrel to be plated both ends bath flow rate.When the internal diameter of pump barrel to be plated (1) be 95mm, when length is 6000mm, described center anode pipe (11) is the A of external diameter 60mm, long 6400mm
3Low Carbon Steel Pipe, described anode strap (12) is the A of diameter 10mm, long 6200mm
3Reinforcing bar in respect of 24, is evenly distributed on the outer circumference surface of described center anode pipe (11), and connects through the concentricity anode tube of spot welding (11) conduction, to become the excircle configuration diameter of palisade anode assemblies be 70mm; The inner and outer diameter of described ring-type auxiliary cathode (13,14) and material are all with pump barrel to be plated (1), and it highly is 55mm; Described up and down end cap (5,6) in the mode of spinning with pump barrel water-tight closure to be plated, and with anode assemblies and pump barrel concentrically located to be plated.
The utility model is owing to adopted above-mentioned palisade anode assemblies and ring-type auxiliary cathode; when making the plating bath pump circulation with infusion pump; by control bath flow rate and technological specification; just can realize the temperature regulation in galvanic deposit district; wash away carbon mud; the protection solution composition is all permanent, thereby makes on the workpiece total length thickness of coating even, obtains the coating that bonding strength and hardness meet technical requirements.
Further illustrate the utility model below in conjunction with accompanying drawing.In the accompanying drawing, Fig. 1 illustrates the related schematic representation of apparatus of the utility model.Fig. 2 illustrate by equipment therefor in the prior art plate the synoptic diagram of the inhomogeneous situation of thickness distribution of coating.Fig. 3 illustrates palisade anode assemblies synoptic diagram of the present utility model.
Among Fig. 1, device of the present utility model comprises the pump barrel to be plated (1) as negative electrode, anode (2), solution inlet port (3), taphole (4), upper end cover (5), bottom end cover (6), space between the anode and cathode (7), infusion pump (8), acid solution storage (9), plating bath storage (10), acid liquor filter (15), bath filter device (16) and corresponding pipeline and valve, and palisade anode assemblies (11 and 12) and ring-type auxiliary cathode (13,14) as the pump barrel to be plated (1) of workpiece, on inspection, measurement size, remove the oil rust, after the washing, setting is fixed on the support, the pump barrel lower end connects ring-type auxiliary cathode (14) and the bottom end cover that spins (6), palisade anode assemblies (11 and 12) is inserted in the pump barrel (1), a ring-type auxiliary cathode of pump barrel upper ends (13) and the upper end cover that spins (5), pass through then the import (3) of plating bath or acid solution and export (4) with pipe-and-filter (15,16), solution reservoirs (9,10) and infusion pump (8) connect into closed circuit ring and follow system. Carry acid solution with pump (8) earlier, for example watery hydrochloric acid further washes the oxide-film that forms on the surface of the work in surface of the work grease and the assembling process. Carry iron plating liquid then with the anode and cathode plugged, and with pump, electroplate. After the plating immediately Water flushing workpiece and immerse alkaline solution and saponified oil solution in carry out neutralisation treatment. The bond strength of gained coating is 2000-3500kg/cm2, thickness of coating is even, smooth surface, deviation from circular from＜0.03mm, total length error＜0.05mm, coating hardness can regulate between HV420-724, once plate thickness can reach 0.02-2mm.
Among Fig. 2, prior art gained thickness of coating distributes very inhomogeneously in the axial direction, and it is especially thick especially to locate coating about the 30mm of workpiece two ends.
Among Fig. 3, the palisade anode assemblies comprises center anode pipe (11) and anode strap (12). Anode strap is distributed on the outer circumference surface of central tube, and conduction connects with it, for example is welded on the central tube. For solution is not flowed in the central tube, its two ends are welded with joint, anode assemblies can be fixed in the pump barrel to be plated with one heart by this joint. In addition, upper end connector is provided with axial hole and a plurality of radial hole that communicates with it, and solution flows into axial hole through radial hole, flow to outlet (4) again.
Illustrate plating iron device, especially anode assemblies of the present utility model and ring-type auxiliary cathode below in conjunction with an embodiment.
For internal diameter is 95mm, long for for the oil deep-well pump barrel workpiece of 6000mm, and center anode pipe (11) adopts the A of φ 60 * 6400mm
3Low Carbon Steel Pipe, use at its two ends, the lower sub sealing, and the top connection perisporium is provided with 12 radial holes and an axial opening, and the two interconnects.The A of even 24 φ 10 * 6200mm of spot welding on pipe (11) periphery
3Reinforcing bar (12), anode assemblies.Become the palisade anode assemblies, its excircle configuration diameter is 70mm.The ring-type auxiliary cathode (13,14) that is become, its inner and outer diameter and material are all with pump barrel to be plated, and it highly is 55mm.This auxiliary cathode overlays connection by end cap up and down with the pump barrel end.
Claims (4)
1, the plating iron device of deep-well pump barrel, comprising pump barrel to be plated (1) as negative electrode, be fixed on the anode (2) in the pump barrel to be plated with one heart, watertight is connected pump barrel to be plated two ends and is respectively equipped with acid solution or plating bath import and export (3,4) two end caps (5,6), make acid solution or plating bath carry out round-robin infusion pump (8) by space (7) between the described anode and cathode, acid solution storage (9), plating bath storage (10), corresponding pipeline and valve, and acid liquor filtering device (15) and bath filter device (16), it is characterized in that, described anode is a soluble anode, it is to comprise center anode pipe (11) and be evenly distributed on this center anode pipe outer circumference surface and many palisade anode assemblies than minor diameter anode strap (12) being connected of conduction with it, and its total surface area is equal to or greater than the inner wall surface area of pump barrel to be plated; Described pump barrel two ends and be provided with between the end cap up and down in external diameter with the pump barrel end, suitably the ring-type shop of height helps negative electrode (13,14).
2, the described plating iron device of claim 1 is characterized in that, described pump barrel to be plated is erect to settle with support and fixed; The import of acid solution or plating bath (3) is located on the sidewall of lower end cover (6), exports on the end face that (4) then be located at upper end cover (5), and acid solution or plating bath are flowed from bottom to top; Center anode pipe (11) two ends respectively have a joint to block pipe, and plating bath or acid solution are entered in the pipe, are provided with axial opening in the top connection and reach and a plurality of radial holes that are communicated with, and acid solution or plating bath flow to axial opening through radial hole, flow to outlet (4) again.
3, the described plating iron device of claim 2, it is characterized in that, described end cap (5 up and down, 6) make with the polyethylene rigid plastics, end cap (5 up and down, 6) go up set acid solution or plating bath gangway to pump barrel to be plated (1) and be provided with ring-type cushioning pocket (17,18) up and down between the both ends of the surface, even to guarantee pump barrel to be plated both ends bath flow rate.
4, any one described plating iron device among the claim 1-3 is characterized in that, when the internal diameter of pump barrel to be plated (1) be 95mm, when length is 6000mm, described center anode pipe (11) is the A of external diameter 60mm, long 6400mm
3Low Carbon Steel Pipe, described anode strap (12) is the A of diameter 10mm, long 6200mm
3Reinforcing bar in respect of 24, is evenly distributed on the outer circumference surface of described center anode pipe (11), and connects through the concentricity anode tube of spot welding (11) conduction, to become the excircle configuration diameter of palisade anode assemblies be 70mm; The inner and outer diameter of described ring-type auxiliary cathode (13,14) and material are all with pump barrel to be plated (1), and it highly is 55mm; Described up and down end cap (5,6) in the mode of spinning with pump barrel water-tight closure to be plated, and with anode assemblies and pump barrel concentrically located to be plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222955 CN2175239Y (en) | 1993-09-01 | 1993-09-01 | Equipment for electroplating iron pump pipe for deep well use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93222955 CN2175239Y (en) | 1993-09-01 | 1993-09-01 | Equipment for electroplating iron pump pipe for deep well use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2175239Y true CN2175239Y (en) | 1994-08-24 |
Family
ID=33801410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93222955 Expired - Fee Related CN2175239Y (en) | 1993-09-01 | 1993-09-01 | Equipment for electroplating iron pump pipe for deep well use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2175239Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498016B (en) * | 2008-01-24 | 2012-12-12 | 东京毅力科创株式会社 | Anode oxidation processing method for plasma processing container |
| CN103195375A (en) * | 2013-04-21 | 2013-07-10 | 胜利油田胜鑫防腐有限责任公司 | Automatic anti-mixing liquid changing technology and automatic anti-mixing liquid changing device for vertically and statically electroplating petroleum strings |
| CN103305885A (en) * | 2013-06-01 | 2013-09-18 | 北京工业大学 | Diversion type auxiliary plating device and plating method aiming at plating inner surface of hollow plated part |
| CN103614755A (en) * | 2013-12-09 | 2014-03-05 | 山西北方机械制造有限责任公司 | Liquid plating device for inner hole of slender pipe fitting |
| CN105200478A (en) * | 2015-10-10 | 2015-12-30 | 中联西北工程设计研究院有限公司 | Inner cavity electroplating continuous production device |
| CN106757243A (en) * | 2016-12-29 | 2017-05-31 | 中核北方核燃料元件有限公司 | The nickel plating process and nickel plating apparatus of a kind of zirconium alloy pipe |
| CN111826699A (en) * | 2020-08-07 | 2020-10-27 | 胜利油田高原石油装备有限责任公司 | Metal tube inner surface electrodeposition device and method |
-
1993
- 1993-09-01 CN CN 93222955 patent/CN2175239Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498016B (en) * | 2008-01-24 | 2012-12-12 | 东京毅力科创株式会社 | Anode oxidation processing method for plasma processing container |
| CN103195375A (en) * | 2013-04-21 | 2013-07-10 | 胜利油田胜鑫防腐有限责任公司 | Automatic anti-mixing liquid changing technology and automatic anti-mixing liquid changing device for vertically and statically electroplating petroleum strings |
| CN103305885A (en) * | 2013-06-01 | 2013-09-18 | 北京工业大学 | Diversion type auxiliary plating device and plating method aiming at plating inner surface of hollow plated part |
| CN103305885B (en) * | 2013-06-01 | 2016-06-22 | 北京工业大学 | A kind of flow-guiding type for hollow plating piece inner surface plating assists plating device and plating method |
| CN103614755A (en) * | 2013-12-09 | 2014-03-05 | 山西北方机械制造有限责任公司 | Liquid plating device for inner hole of slender pipe fitting |
| CN105200478A (en) * | 2015-10-10 | 2015-12-30 | 中联西北工程设计研究院有限公司 | Inner cavity electroplating continuous production device |
| CN105200478B (en) * | 2015-10-10 | 2018-05-01 | 中联西北工程设计研究院有限公司 | Electroplate continuous producing apparatus in a kind of inner cavity |
| CN106757243A (en) * | 2016-12-29 | 2017-05-31 | 中核北方核燃料元件有限公司 | The nickel plating process and nickel plating apparatus of a kind of zirconium alloy pipe |
| CN111826699A (en) * | 2020-08-07 | 2020-10-27 | 胜利油田高原石油装备有限责任公司 | Metal tube inner surface electrodeposition device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |