CN2391089Y - Anti-corrosion pipe connecting piece - Google Patents
Anti-corrosion pipe connecting piece Download PDFInfo
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- CN2391089Y CN2391089Y CN 99244186 CN99244186U CN2391089Y CN 2391089 Y CN2391089 Y CN 2391089Y CN 99244186 CN99244186 CN 99244186 CN 99244186 U CN99244186 U CN 99244186U CN 2391089 Y CN2391089 Y CN 2391089Y
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Abstract
The utility model relates to an anti-corrosion pipeline connecting piece. The utility model is mainly composed of blanks of various connecting pieces and a nickel-phosphor alloy layer which is coated on the surface of the blank. The utility model has the advantage of excellent anti-corrosion performance. The utility model with acid resistance and alkali resistance can replace expensive metal material, such as stainless steel, etc. The utility model has the advantages of high surface hardness, distinguished wear resistance, strong coating ability and extremely homogeneous thickness, and the utility model is the duplication of the shape of a basal body.
Description
The utility model belongs to a kind of pipe connecting part, particularly in a kind of anti-corrosion pipeline link.
Cause tap water secondary pollution problem for solving zinc-plated running water pipe and link internal corrosion, various composite plastic pipes come into the market, country and the each province relevant department abolishment galvanized pipe of having sent the documents to solve the pollution problem of tap water, improves people's living standard for this reason.
All kinds of links of a large amount of employings of institute were mainly copper product when but composite plastic pipe was installed, like this, brought the secondary pollution of the tap water that the corrosion because of copper connector causes again inevitably, though occurred this series products of a small amount of electronickelling on the market, also only solved outside anticorrosionly, the internal corrosion problem of topmost polluted water can't solve always.If adopt the stainless steel manufacturing, then cost of material is too high, processing difficulties, and market is difficult to accept.
The purpose of this utility model is at problems of the prior art, and test proposes a kind of anti-corrosion pipeline link after deliberation.
The technological scheme that anti-corrosion pipeline of the present utility model connects is: it mainly is made of the blank and the anticorrosive coat of pipe joint, described anticorrosive coat is a ni-p alloy coating, it is plated on the surface of described blank equably, and chemical component and deal (g/l) thereof that described nickel phosphor alloy belongs to are respectively: nickelous sulfate 15-30
Inferior sodium phosphate 15-30
Sodium acetate 5-15
Natrium citricum 5-15
Lactic acid 3-8
As required, this nickel-phosphorus alloy coating can be plated on the inner and outer surface of blank simultaneously, and its thickness is 15-18 μ m, and the material of blank can be a copper, iron or aluminium etc.
The aseptic technic of chemical plating nickel-phosphorus alloy of the present utility model has really solved an aforementioned difficult problem, the various pipes link of copper, iron, aluminium material after above-mentioned technical finesse from the inside to surface, each position all equably on the lining nickel phosphor alloy of one deck antirust ability extra-heavy, the secondary pollution of having avoided tap water to cause effectively because of the corrosion of pipe joint.
The concrete structure of anti-corrosion pipeline link of the present utility model is shown in Fig. 1-2, in Fig. 1-2: 1 is blank, and 2 is ni-p alloy coating.
Embodiment:
1, blank: provide copper, aluminium or irony each model by blank factory, the pipe joint finished product of specification.
2, oil removing: to remove the greasy dirt of workpiece surface.
Prescription: sodium carbonate 20 grams per liters
Tertiary sodium phosphate 20 grams per liters
Sodium silicate 10 grams per liters
OP emulsifier 3 grams per liters
80 ℃ of temperature
10 minutes time
Operating method: collude with copper cash and to lead workpiece, immerse degreasing fluid.(this lifting method finishes until operation, takes off workpiece)
3, circulating water cleans
4, pickling (, making the abundant naked bright dipping of substrate) to remove the oxide of workpiece surface
Prescription: sulfuric acid 500 grams per liters
Nitric acid 250 grams per liters
Hydrochloric acid 4 grams per liters
Water surplus
20 ℃ of temperature
Time 2-3 second
6, chemical plating nickel-phosphorus alloy
Prescription: nickelous sulfate 20 grams per liters
Inferior sodium phosphate 20 grams per liters
Sodium acetate 10 grams per liters
Natrium citricum 10 grams per liters
PH 4.4-5 regulates with ammoniacal liquor, glacial acetic acid
Temperature 82-87 ℃
1 hour time alloy layer thickness 16 μ m
Reaction mechanism:
Nickel of separating out simultaneously in above-mentioned reaction and phosphorus have just formed nickel phosphor alloy
7, circulating water cleans
Under lift hanger, dry finished product.
Link entire body behind the chemical plating nickel-phosphorus alloy lining is the stainless steel color and luster, its corrosion resistance such as following table:
| Medium | Temperature ℃ | Degree is tested the time | Corrosion rate (μ m/) |
| Tap water | -- | 5000 hours | 0.05 |
| Chlorine water (10 gram chlorine water/rice 3) | 20 | 4 weeks | 0.3 |
| Salt solution 5% sodium chloride | 20 | 1198 hours | 0.5 |
From above-mentioned corrosion rate as can be seen, nickel phosphor alloy almost is not have corrosion in tap water, even the coating that 15 μ m are thick in 5% salt solution also can be stood the corrosion in 30 years.
The pipe joint of chemical plating nickel-phosphorus alloy has following advantage:
1, You Yi decay resistance is not only acidproof but also alkaline-resisting.(except that acid with strong oxidizing property such as nitric acid) replaced expensive metallic material such as stainless steel.
2, high surface hardness, remarkable wear resistance.
3, free of pinholes, layering, crackle and other defect.
4, covering power is strong, and thickness is very even, is duplicating of base shape.
5, easy and simple to handle, cost is lower.
6, the environmental pollution influence is little, without drugs such as oxide and chromic acid.Its waste water is handled a little, gets final product qualified discharge.
A few years from now on, the composite plastic pipe step will be an inexorable trend until the zinc-plated running water pipe of whole replacements.The link that chemical plating nickel-phosphorus alloy is handled will must be won the market rapidly with its remarkable price performance, brings benefit to the people.
Claims (5)
1, a kind of anti-corrosion pipeline link, it mainly is made of the blank and the anticorrosive coat of pipe joint, it is characterized in that described anticorrosive coat is a ni-p alloy coating, and it is plated on the surface of described blank equably.
2, link as claimed in claim 1 is characterized in that the chemical component of described ni-p alloy coating and deal (g/l) thereof are respectively:
Nickelous sulfate 15-30
Inferior sodium phosphate 15-30
Sodium acetate 5-15
Natrium citricum 5-15
Lactic acid 3-8
3, link as claimed in claim 1 is characterized in that equal plating has one deck nickel phosphor alloy on the inside and outside surface of described blank.
4, link as claimed in claim 1, the thickness that it is characterized in that described ni-p alloy coating are 15-18 μ m.
5, link as claimed in claim 1, the blank material that it is characterized in that described pipe joint is copper, iron or aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99244186 CN2391089Y (en) | 1999-09-06 | 1999-09-06 | Anti-corrosion pipe connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99244186 CN2391089Y (en) | 1999-09-06 | 1999-09-06 | Anti-corrosion pipe connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2391089Y true CN2391089Y (en) | 2000-08-09 |
Family
ID=34030333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99244186 Expired - Fee Related CN2391089Y (en) | 1999-09-06 | 1999-09-06 | Anti-corrosion pipe connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2391089Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935829A (en) * | 2010-10-18 | 2011-01-05 | 上海应用技术学院 | Nanocomposite nickel-plated coating material and preparation method and application thereof |
| CN102418831A (en) * | 2011-10-09 | 2012-04-18 | 新兴铸管股份有限公司 | Multicomponent alloy composite anticorrosive coating for metal pipe/pipe fitting |
| CN104831260A (en) * | 2015-04-02 | 2015-08-12 | 苏州市鑫渭阀门有限公司 | Surface anticorrosion treatment technology of carbon steel valve body for petroleum pipeline |
-
1999
- 1999-09-06 CN CN 99244186 patent/CN2391089Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935829A (en) * | 2010-10-18 | 2011-01-05 | 上海应用技术学院 | Nanocomposite nickel-plated coating material and preparation method and application thereof |
| CN102418831A (en) * | 2011-10-09 | 2012-04-18 | 新兴铸管股份有限公司 | Multicomponent alloy composite anticorrosive coating for metal pipe/pipe fitting |
| CN104831260A (en) * | 2015-04-02 | 2015-08-12 | 苏州市鑫渭阀门有限公司 | Surface anticorrosion treatment technology of carbon steel valve body for petroleum pipeline |
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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 |