CN205874572U - Electrolytic bath is used in passivation of online electrochemistry of stainless steel pipe - Google Patents
Electrolytic bath is used in passivation of online electrochemistry of stainless steel pipe Download PDFInfo
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- CN205874572U CN205874572U CN201620882433.9U CN201620882433U CN205874572U CN 205874572 U CN205874572 U CN 205874572U CN 201620882433 U CN201620882433 U CN 201620882433U CN 205874572 U CN205874572 U CN 205874572U
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Abstract
The utility model relates to an electrolytic bath technique, especially an electrolytic bath is used in passivation of online electrochemistry of stainless steel pipe. The electrolytic bath includes electrode, reference electrode and passivation liquid container, set up on passivation liquid container inner wall the electrode, reference electrode sets up at passivation container cavity internally, passivation liquid container is including passivation liquid entry, the export of passivation liquid, cell body, cell body apron and end cover board, the cell body is the spill, and the cell body apron covers at cell body spill opening part, passivation liquid entry sets up in cell body apron department, and the export of passivation liquid sets up in the cell body bottom, the both ends of cell body all are equipped with the end cover board, the end cover board comprises first end cover slab and second end cover slab, and first end cover slab and second end cover slab splice each other and form the through -hole so that wait to passivate stainless steel pipe on line and pass. The utility model provides an electrolytic bath is used in passivation of online electrochemistry of stainless steel pipe can realize the online passivation of stainless steel pipeline, have easy and simple to handle, reuse is efficient, efficient advantage passivates.
Description
Technical field
This utility model relates to electrolyzer technology, particularly relates to a kind of stainless steel pipe online electrochemical passivation electrolysis
Pond.
Background technology
In the atmospheric environment of general inland, rustless steel has good corrosion resistant ability, along with the group of rustless steel itself
Knit structure its corrosion resistance different from applied environment and also have bigger different.At the marine environment containing a large amount of salts
In, due to CaCl in sea salt2And MgCl2Moisture absorption is strong, retains formation strong corrosive medium wet film on the metal surface, when round the clock or
Seasonal climate is particularly evident when changing greatly.Sea salt particle is chloride, and permeating corrosion is strong, can infilter passivating film, causes corrosion,
Rustless steel typical damage form in marine environment is the local corrosion form such as spot corrosion, crevice corrosion.
Electrochemistry forces passivation to can be applied not only to improve newly-built stainless anti-corrosion capability, but also can be used to locate
Rustless steel after reason corrosion, improves anti-corrosion capability, and electrochemistry forces the passivation can corrosion product in inversion point pit structure again
Build the passivating film of stainless steel surfaces.Electrochemistry forces passivation to use impressed current, is anode by pending stainless steel work-piece, enters
Row forces Passivation Treatment, forces through electrochemistry the rustless steel spot corrosion critical potential of Passivation Treatment to improve, effectively reduces austenite not
The spot corrosion incidence rate of rust steel.
In the prior art, for already installed rustless steel pipeline, because a variety of causes is inconvenient to carry out dismantling entering again
Row passivation, traditional passivation electrolytic cell equipment is difficult to effectively realize the online passivation of rustless steel pipeline.It addition, CN92110009.4
Disclosing a kind of electrochemical surface brush processing means, it uses the plastic foam of a large amount of electrolyte of attracting deposits or long fiber material to attract deposits
Electrolyte composition electrolyzer, but its problem that there is electrolyte and surface of the work loose contact.
Utility model content
In order to solve the shortcoming and defect mentioned in above-mentioned prior art, this utility model provides a kind of stainless steel pipe to exist
Line electrochemical passivation electrolyzer, including to electrode, reference electrode, passivating solution container；
Described electrode is arranged on passivating solution container inner wall；Described reference electrode is arranged in passivation container cavity；Institute
State passivating solution container and include the outlet of passivating solution entrance, passivating solution, cell body, cell body cover plate and end casing；Described cell body is spill, institute
State cell body cover plate to cover at described cell body concave-shaped openings；Described passivating solution entrance is arranged at described cell body cover plate, described blunt
Change liquid outlet to be arranged on bottom described cell body；The two ends of described cell body are equipped with end casing；Described end casing is by the first end casing
Sheet and second end cap plate two parts are constituted, described first end cap plate and the second end cap plate be mutually spliced to form through hole so that
Stainless steel pipe to be passivated passes.
Further, on the basis of said structure, described cell body is anticorrosive plastic or corrosion resistant alloy composition；Described right
Electrode is made up of corrosion resistant alloy plate or corrosion resistant alloy net；Described reference electrode is made up of corrosion resistant material.
Further, on the basis of said structure, also include cell body activity fastening buckle and end cap activity fastening buckle；
Described cell body activity fastening buckle includes cell body securing bracket and cell body securing member, and multiple described cell body activity fastening buckles are installed
Outside described cell body；Described end cap activity fastening buckle includes end cap securing bracket and end cap securing member, is arranged on described groove
Body two ends.
Further, on the basis of said structure, described cell body is made up of multiple sub-components of spliced cell body, Duo Gesuo
State and be connected by connector between the sub-component of spliced cell body；Described spliced cell body component connecting place is provided with sealing strip.
Further, on the basis of said structure, described cell body and cell body cover plate junction are provided with sealing strip.
Further, on the basis of said structure, described first end cap plate and the second end cap plate surrounding are respectively provided with
There is sealing strip.
Further, on the basis of said structure, described end casing and described cell body connecting portion are provided with end cap draw-in groove.
Further, on the basis of said structure, described sealing strip is made up of corrosion resistant material.
The stainless steel pipe online electrochemical passivation electrolyzer using this utility model to provide can be applicable to put down with ground
The online passivation of the rustless steel pipeline of the various angles such as row, vertical, inclination, its moveable characteristic reduces already installed
The electrochemical passivation difficulty of rustless steel pipeline, increases the level of coverage of stainless steel electrochemical passivation electrolyte, significantly simultaneously
Improve stainless electrochemical passivation efficiency.Have easy and simple to handle, recycling efficiency is high, equipment investment is little, using effect good
Feature.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is this
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
The stainless steel pipe online electrochemical passivation electrolyser construction schematic diagram that Fig. 1 provides for this utility model；
Fig. 2 is structural representation at stainless steel pipe online electrochemical passivation electrolyzer end cap in Fig. 1；
Fig. 3 is the generalized section of stainless steel pipe online electrochemical passivation electrolyzer in Fig. 1；
Fig. 4 is stainless steel pipe online electrochemical passivation electrolyzer sliceable groove structural representation in Fig. 1.
Reference:
10 stainless steel tubes 20 are to electrode 30 reference electrode
40 passivating solution container 41 passivating solution entrance 42 passivating solution outlets
43 cell body 431 cell body component 432 connectors
44 cell body cover plate 45 end casing 451 first end cap plates
452 second end cap plate 50 end cap activity fastening buckle 51 cell body securing brackets
52 cell body securing member 60 end cap activity fastening buckle 61 end cap activity securing brackets
62 end cap activity securing member 70 sealing strip 80 end cap draw-in grooves
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Based on the enforcement in this utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into
The scope of this utility model protection.
The stainless steel pipe online electrochemical passivation electrolyser construction schematic diagram that Fig. 1 provides for this utility model, such as Fig. 1
Shown in, with pending stainless steel pipe 10 as anode, including to electrode 20, reference electrode 30, passivating solution container 40；To electrode
20 are arranged at reference electrode 30 on passivating solution container 40 inwall is arranged in passivation container 40 cavity；Passivating solution container 40 includes blunt
Change liquid entrance 41, passivating solution outlet 42, cell body 43, cell body cover plate 44 and end casing 45；Cell body 43 is spill, and cell body cover plate 44 covers
Cover at cell body 43 concave-shaped openings；Passivating solution entrance 41 is arranged at cell body cover plate 44, and passivating solution outlet 42 is arranged on described groove
Bottom body 43；The two ends of cell body 43 are equipped with end casing 45；End casing 45 is by the first end cap plate 451 and the second end cap plate
452 two parts are constituted, and the first end cap plate 451 and the second end cap plate 452 are mutually spliced to form through hole so that waiting online to be passivated
Stainless steel pipe 10 passes.Specifically, the diameter according to stainless steel pipe 10 is different, can select respective through hole size
End casing 45 is replaced.
When being embodied as, cell body 43 is combined with cell body cover plate 44 and is fixed on stainless steel pipe 10, at cell body 43 two ends
Place end casing 44, make stainless steel pipe 10 can be fixed on cell body 43 centre position, and make two ends no leakage.Screw passivating solution to go out
Mouth 42, injects electrochemical passivation liquid at passivating solution entrance 41, after electrochemical passivation liquid fills, screws passivating solution entrance 41,
Electrolysis bath 43 will be respectively turned on electrochemical workstation to electrode 20, reference electrode 30 and stainless steel pipe 10, according to
The electrochemical operation parameter of program setting carries out electrochemical passivation to stainless-steel pipe 10.After being passivated, open passivating solution and go out
Mouth 42, after electrochemical passivation liquid is released, moves to passivating solution container 40, at next pipeline section, be put by two ends end casing 44 online
Enter, make two ends no leakage, screw passivating solution outlet 42, inject electrochemical passivation liquid and can carry out electrochemical passivation next time, greatly
Improve greatly recycling rate of waterused.The corrosion resisting property of the stainless steel pipe surface after electrochemical passivation carries than the corrosion resisting property of former stainless steel tube
High more than 1000 times.
Above-described embodiment is in the specific implementation, it is preferable that cell body 43 is anticorrosive plastic or corrosion resistant alloy composition；To electrode
20 are made up of corrosion resistant alloy plate or corrosion resistant alloy net, and the material of corrosion resistant alloy can be that titanium alloy, two phase stainless steel, 316L are stainless
The materials such as steel；Reference electrode 30 is made up of corrosion resistant material.
Preferably, on the basis of said structure, also include cell body activity fastening buckle 50 and end cap activity fastening buckle
60；As it is shown on figure 3, cell body activity fastening buckle includes cell body securing bracket 51 and cell body securing member 52, multiple cell bodies are movable tight
Gu it is outside that buckle 50 is arranged on cell body 43, by screwing cell body securing member 52, make cell body cover plate 44 and cell body 43 compact siro spinning technology, anti-
Only electrochemical passivation liquid spills cell body；As it is shown in figure 1, end cap activity fastening buckle 60 is installed on described cell body 43 two ends, including
End cap securing bracket 61 and end cap securing member 62, end casing 45 is fixed by end cap securing bracket with cell body 43, by screwing end cap
Securing member 62, makes steel pipe 10 be fixed in the through hole of end casing 45, strengthens the close of end casing 45 and cell body 43 junction simultaneously
Feng Xing, prevents passivating solution from spilling from cell body 43 two ends.
Preferably, as shown in Figure 4, on the basis of said structure, cell body 43 is by multiple sub-components of spliced cell body 431 groups
Become, when being embodied as, can be increased or decreased according to the length of stainless steel pipe 10 component to spliced cell body 431,
Such as: stainless-steel pipe 10 is too short, it has not been convenient to the installation of stainless steel pipe online electrochemical passivation electrolyzer, can be by subtracting
The quantity of few sub-component of spliced cell body 431, to shorten the length of cell body 43, reaches the purpose conveniently installed；If rustless steel steel
Manage longer, the quantity of the sub-component of spliced cell body 431 can be increased, to lengthen the length of cell body 43, reach to improve passivation efficiency
Effect.Being connected by connector 432 between multiple sub-components of spliced cell body 431, connector 432 can use according to practical situation
Bayonet connection or bolt connection piece；The connecting place two-by-two of the sub-component of spliced cell body 431 is provided with sealing strip 70, can prevent
Junction leakage.
It is preferred that cell body 43 and cell body cover plate 44 junction are provided with sealing strip 70, cell body 43 is prevented to be connected with cover plate 44
Place's leakage.
It is preferred that on the basis of said structure, the first end cap plate 451 and the second end cap plate 452 surrounding are respectively provided with
There is sealing strip 70, prevent end casing 45 and cell body and the junction leakage of stainless-steel pipe 10.
It is preferred that on the basis of said structure, end casing 45 and described cell body 43 connecting portion are provided with end cap draw-in groove 80,
It is possible not only to facilitate the installation of end casing 45, also enhances the sealing of end casing 45 and cell body 43 junction.
Preferably, on the basis of said structure, described sealing strip 70 is made up of corrosion resistant material.
The stainless steel pipe online electrochemical passivation electrolyzer using this utility model to provide can be applicable to put down with ground
The online passivation of the rustless steel pipeline of the various angles such as row, vertical, inclination, its moveable characteristic reduces already installed
The electrochemical passivation difficulty of rustless steel pipeline, increases the level of coverage of stainless steel electrochemical passivation electrolyte, significantly simultaneously
Improve stainless electrochemical passivation efficiency.Have easy and simple to handle, recycling efficiency is high, equipment investment is little, using effect good
Feature.
Although the most more employs such as to electrode, reference electrode, passivating solution container, cell body, end casing, fastening
The terms such as buckle, securing member, end casing, cell body cover plate, end cap draw-in groove, sealing strip, passivating solution entrance, passivating solution outlet, but also
It is not excluded for using the probability of other term.Use these terms to be only used to more easily and describe and explain this utility model
Essence；It is all contrary with this utility model spirit for being construed as any additional restriction.
Finally it should be noted that various embodiments above only in order to the technical solution of the utility model to be described, rather than to its limit
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (8)
1. a stainless steel pipe online electrochemical passivation electrolyzer, it is characterised in that: include electrode (20), reference electrode
(30) and passivating solution container (40), wherein:
Described electrode (20) is arranged on passivating solution container (40) inwall；Described reference electrode (30) is arranged on passivation container
(40) in cavity；
Described passivating solution container (40) includes that passivating solution entrance (41), passivating solution export (42), cell body (43), cell body cover plate (44)
With end casing (45)；Described cell body (43) is spill, and described cell body cover plate (44) covers at described cell body (43) concave-shaped openings；
Described passivating solution entrance (41) is arranged on described cell body cover plate (44) place, and described passivating solution outlet (42) is arranged on described cell body
(43) bottom；The two ends of described cell body (43) are equipped with end casing (45)；Described end casing (45) is by the first end cap plate (451)
Constituting with second end cap plate (452) two parts, described first end cap plate (451) and the second end cap plate (452) are mutually spelled
Connect formation through hole so that online stainless steel pipe (10) to be passivated passes.
Stainless steel pipe the most according to claim 1 online electrochemical passivation electrolyzer, it is characterised in that: described cell body
(43) it is anticorrosive plastic or corrosion resistant alloy composition；Described electrode (20) is made up of corrosion resistant alloy plate or corrosion resistant alloy net；
Described reference electrode (30) is made up of corrosion resistant material.
Stainless steel pipe the most according to claim 1 online electrochemical passivation electrolyzer, it is characterised in that: also include groove
Body activity fastening buckle (50) and end cap activity fastening buckle (60)；Described cell body activity fastening buckle (50) includes that cell body fastens
Support (51) and cell body securing member (52), it is outside that multiple described cell bodies activity fastening buckle (50) are arranged on described cell body (43)；
Described end cap activity fastener (60) button includes end cap securing bracket (61) and end cap securing member (62), is arranged on described cell body
(43) two ends.
Stainless steel pipe the most according to claim 1 online electrochemical passivation electrolyzer, it is characterised in that: described cell body
(43) it is made up of multiple sub-components of spliced cell body, between the sub-component of multiple described spliced cell body (431), passes through connector
(432) it is connected；Described spliced cell body component (431) connecting place is provided with sealing strip (70).
Stainless steel pipe the most according to claim 1 online electrochemical passivation electrolyzer, it is characterised in that: described cell body
(43) cell body cover plate (44) junction is provided with sealing strip (70).
Stainless steel pipe the most according to claim 1 online electrochemical passivation electrolyzer, it is characterised in that: described first
End cap plate (451) and the second end cap plate (452) surrounding are provided with sealing strip (70).
7., according to the stainless steel pipe online electrochemical passivation electrolyzer described in any one of claim 1～6, its feature exists
In: described end casing (45) and described cell body (43) connecting portion are provided with end cap draw-in groove (80).
8., according to the stainless steel pipe online electrochemical passivation electrolyzer described in any one of claim 4～6, its feature exists
In: described sealing strip (70) is made up of corrosion resistant material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620882433.9U CN205874572U (en) | 2016-08-15 | 2016-08-15 | Electrolytic bath is used in passivation of online electrochemistry of stainless steel pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620882433.9U CN205874572U (en) | 2016-08-15 | 2016-08-15 | Electrolytic bath is used in passivation of online electrochemistry of stainless steel pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366010A (en) * | 2017-08-21 | 2017-11-21 | 厦门昕钢防腐工程科技有限公司 | A kind of stainless steel pipes and device context highly corrosion resistant processing method |
| CN110592640A (en) * | 2019-10-14 | 2019-12-20 | 安徽豪鼎金属制品有限公司 | Stainless steel surface corrosion-resistant treatment system and treatment method adopting same |
| CN113718241A (en) * | 2021-09-08 | 2021-11-30 | 威莱克半导体材料(浙江)有限责任公司 | Semiconductor-grade precise stainless steel pipe passivation device |
-
2016
- 2016-08-15 CN CN201620882433.9U patent/CN205874572U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366010A (en) * | 2017-08-21 | 2017-11-21 | 厦门昕钢防腐工程科技有限公司 | A kind of stainless steel pipes and device context highly corrosion resistant processing method |
| CN110592640A (en) * | 2019-10-14 | 2019-12-20 | 安徽豪鼎金属制品有限公司 | Stainless steel surface corrosion-resistant treatment system and treatment method adopting same |
| CN113718241A (en) * | 2021-09-08 | 2021-11-30 | 威莱克半导体材料(浙江)有限责任公司 | Semiconductor-grade precise stainless steel pipe passivation device |
| CN113718241B (en) * | 2021-09-08 | 2023-09-26 | 威莱克半导体材料(浙江)有限责任公司 | Semiconductor-grade precise stainless steel tube passivation device |
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