CN106011893B - A kind of environment-friendly type iron castings surface treating agent and its processing method - Google Patents
A kind of environment-friendly type iron castings surface treating agent and its processing method Download PDFInfo
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- CN106011893B CN106011893B CN201610418319.5A CN201610418319A CN106011893B CN 106011893 B CN106011893 B CN 106011893B CN 201610418319 A CN201610418319 A CN 201610418319A CN 106011893 B CN106011893 B CN 106011893B
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- iron castings
- treating agent
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
Abstract
The present invention relates to castings production processing technique fields, and in particular to a kind of environment-friendly type iron castings surface treating agent and its processing method.The surface treating agent is made of the raw material of following weight fraction：Sodium carbonate 0.5-3.2wt%, petroleum sodium sulfonate 2.5-3.5wt%, odium stearate 2.4-5.6wt%, Span-85 3.3-5.6wt%, Span-40 0.25-1.5wt%, Tween-61 2.4-3.5wt%, pentaerythrite 5-10wt%, sodium sulphate 3.6-5.2wt%, polyvinyl alcohol 1.5-2.7wt%, surplus are deionized water.It the treating method comprises iron castings paraffin removal, three washings, oil removing, derusting, twice washings is electroplated or chemical plating, and iron castings surface treating agent environmental-protecting performance and surface elimination effect provided by the invention are good, and processing method is practical, easily operated.
Description
Technical field
The present invention relates to castings production processing technique fields, and in particular to a kind of environment-friendly type iron castings surface treating agent and its
Processing method.
Background technique
Oxide skin existing for Iron Casting Surface floats rust, iron filings, and greasy dirt, the pollutants adhesive force such as dust is stronger, and cast iron is adding
Metal conditioner need to be often used to be surface-treated to it to improve the Corrosion Protection of metal material after work molding.Always
Since, people seek simple, the safe surface treating agent of one kind assiduously to handle metal surface, however the prior art
In it is few specially towards the surface cleaning agent of iron castings, and existing surface treating agent is commonly present many problems.
For example, one, larger to environmental hazard, such as containing the surface cleaning agent of Se, Cr, Cu, the heavy metal generated from
Son seriously pollutes environment, in recent years by control or disabling；In addition, containing a large amount of Phos in phosphatization surface treating agent, make
Pacify with the eutrophication pollution that river with the discharge of waste water, can be caused to moor in the process, or even to the drinking water of urban and rural residents of China
Threat is caused entirely；Secondly, most surfaces inorganic agent can only simple degreasing or derusting, such as organic vfanadium compound and nothing
The metal conditioner of machine acid composition is not avoided that the generation of white rust, corrosion resistant in metal material after alkali cleaning degreasing process
Corrosion and resistance to alkali cleaning are bad, and are difficult to meet cast(ing) surface cleaning requirement complicated brought by current casting technique.
Summary of the invention
In view of the deficiencies of the prior art, the iron castings table good the present invention provides a kind of environmental-protecting performance and surface elimination effect
Surface treatment agent, in addition, easily operated use aforementioned surfaces inorganic agent handles cast iron casting the present invention also provides a kind of practical
The method of part.
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate 0.5-
3.2wt%, petroleum sodium sulfonate 2.5-3.5wt%, odium stearate 2.4-5.6wt%, Span-853.3-5.6wt%, Span-
400.25-1.5wt%, Tween-612.4-3.5wt%, pentaerythrite 5-10wt%, sodium sulphate 3.6-5.2wt%, polyethylene
Alcohol 1.5-2.7wt%, surplus are deionized water.
Further, the environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate
1.2-2.6wt%, petroleum sodium sulfonate 2.8-3.2wt%, odium stearate 3.3-4.5wt%, Span-854.0-5.5wt%,
Span-400.75-1wt%, Tween-612.8-3.2wt%, pentaerythrite 6-8wt%, sodium sulphate 4.2-4.8wt%, poly- second
Enol 1.8-2.2wt%, surplus are deionized water.
Further, the environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate
1.2wt%, petroleum sodium sulfonate 2.8wt%, odium stearate 3.3wt%, Span-854.0wt%, Span-400.75wt%,
Tween-612.8wt%, pentaerythrite 6wt%, sodium sulphate 4.2wt%, polyvinyl alcohol 1.8wt%, surplus are deionized water.
A method of iron castings being handled using environment-friendly type surface treating agent, is included the following steps：
S1, iron castings paraffin removal：Iron castings blank is placed in wax removing agent and impregnates 30-60min, removes iron castings blank surface
Wax, the iron castings after obtaining paraffin removal；
S2, three washings：Iron castings after rinsing paraffin removal with clear water, removes surface residual wax removing agent；
S3, oil removing, derusting：By surface treating agent and water with 1：The dilution proportion of 20-30, then it is residual with dilution removing surface
The iron castings of remaining wax removing agent, processing time are 3-5min；
S4, twice washing；
S4, plating or chemical plating.
Further, the cleaning way in the step S3 is that spray or constant temperature impregnate.
Further, the temperature of dilution is 40-50 DEG C in the step S3.
Beneficial effects of the present invention are：
1, surface treating agent provided by the invention is mainly organic matter and inorganic salts, and ingredient is simple, without Phos and again
Metal ion, treated, and surface treatment waste liquid can be with recycling and reusing, object without secondary pollution, good environmental protection.
2, surface treating agent component compatibility provided by the invention is reasonable, and alkalescent salt and emulsifier cooperation can effectively remove
Iron castings surface grease stain, pentaerythrite and sodium sulphate cooperation, facilitate the dissolution and removing of iron scale, so that iron castings corrosion resistant
Erosion, resistance to alkali cleaning, surface elimination effect are good.
3, surface treating agent raw material provided by the invention is easy to get, cheap, helps to save production cost；In addition, this
It is practical to invent the mating processing method provided, it is easily operated.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with implementation of the invention
Example, technical scheme in the embodiment of the invention is clearly and completely described.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without creative efforts, belongs to protection of the present invention
Range.
Embodiment 1：
A kind of environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate 1.2wt%, stone
Oily sodium sulfonate 2.8wt%, odium stearate 3.3wt%, Span-854.0wt%, Span-400.75wt%, Tween-
612.8wt%, pentaerythrite 6wt%, sodium sulphate 4.2wt%, polyvinyl alcohol 1.8wt%, surplus are deionized water.
A method of iron castings being handled using environment-friendly type surface treating agent, is included the following steps：
S1, iron castings paraffin removal：Iron castings blank is placed in wax removing agent and impregnates 45min, removes iron castings blank surface
Wax, the iron castings after obtaining paraffin removal；
S2, three washings：Iron castings after rinsing paraffin removal with clear water, removes surface residual wax removing agent；
S3, oil removing, derusting：By surface treating agent and water with 1：25 dilution proportion, then with dilution in 40-50 DEG C of constant temperature
The iron castings for removing surface residual wax removing agent is impregnated, the processing time is 5min；
S4, twice washing；
S4, plating or chemical plating.
Being surface-treated result is：0 grade of baige method adhesive force, fork neutral salt spray test 1000h is drawn, unilateral peel value is
0.6mm。
Embodiment 2：
A kind of environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate 0.5wt%, stone
Oily sodium sulfonate 3.5wt%, odium stearate 2.4wt%, Span-855.6wt%, Span-400.25wt%, Tween-
613.5wt%, pentaerythrite 5wt%, sodium sulphate 5.2wt%, polyvinyl alcohol 1.5wt%, surplus are deionized water.
A method of iron castings being handled using environment-friendly type surface treating agent, is included the following steps：
S1, iron castings paraffin removal：Iron castings blank is placed in wax removing agent and impregnates 60min, removes iron castings blank surface
Wax, the iron castings after obtaining paraffin removal；
S2, three washings：Iron castings after rinsing paraffin removal with clear water, removes surface residual wax removing agent；
S3, oil removing, derusting：By surface treating agent and water with 1：25 dilution proportion, then sprayed with dilution and remove surface
The iron castings of remaining wax removing agent, processing time are 4min；
S4, twice washing；
S4, plating or chemical plating.
Being surface-treated result is：0 grade of baige method adhesive force, fork neutral salt spray test 1000h is drawn, unilateral peel value is
0.5mm。
Embodiment 3：
A kind of environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate 2.6wt%, stone
Oily sodium sulfonate 3.2wt%, odium stearate 4.5wt%, Span-855.5wt%, Span-401wt%, Tween-613.2wt%,
Pentaerythrite 8wt%, sodium sulphate 4.8wt%, polyvinyl alcohol 2.2wt%, surplus are deionized water.
A method of iron castings being handled using environment-friendly type surface treating agent, is included the following steps：
S1, iron castings paraffin removal：Iron castings blank is placed in wax removing agent and impregnates 30min, removes iron castings blank surface
Wax, the iron castings after obtaining paraffin removal；
S2, three washings：Iron castings after rinsing paraffin removal with clear water, removes surface residual wax removing agent；
S3, oil removing, derusting：By surface treating agent and water with 1：30 dilution proportion, then with dilution in 40-50 DEG C of constant temperature
The iron castings for removing surface residual wax removing agent is impregnated, the processing time is 3min；
S4, twice washing；
S4, plating or chemical plating.
Being surface-treated result is：0 grade of baige method adhesive force, fork neutral salt spray test 1000h is drawn, unilateral peel value is
0.4mm。
Embodiment 4：
A kind of environment-friendly type iron castings surface treating agent, is made of the raw material of following weight fraction：Sodium carbonate 3.2wt%, stone
Oily sodium sulfonate 2.5wt%, odium stearate 5.6wt%, Span-853.3wt%, Span-401.5wt%, Tween-
612.4wt%, pentaerythrite 10wt%, sodium sulphate 3.6wt%, polyvinyl alcohol 2.7wt%, surplus are deionized water.
A method of iron castings being handled using environment-friendly type surface treating agent, is included the following steps：
S1, iron castings paraffin removal：Iron castings blank is placed in wax removing agent and impregnates 50min, removes iron castings blank surface
Wax, the iron castings after obtaining paraffin removal；
S2, three washings：Iron castings after rinsing paraffin removal with clear water, removes surface residual wax removing agent；
S3, oil removing, derusting：By surface treating agent and water with 1：20 dilution proportion, then sprayed with dilution and remove surface
The iron castings of remaining wax removing agent, processing time are 3min；
S4, twice washing；
S4, plating or chemical plating.
Being surface-treated result is：0 grade of baige method adhesive force, fork neutral salt spray test 1000h is drawn, unilateral peel value is
0.6mm。
Beneficial effects of the present invention are：
1, surface treating agent provided by the invention is mainly organic matter and inorganic salts, and ingredient is simple, without Phos and again
Metal ion, treated, and surface treatment waste liquid can be with recycling and reusing, object without secondary pollution, good environmental protection.
2, surface treating agent component compatibility provided by the invention is reasonable, and alkalescent salt and emulsifier cooperation can effectively remove
Iron castings surface grease stain, pentaerythrite and sodium sulphate cooperation, facilitate the dissolution and removing of iron scale, so that iron castings corrosion resistant
Erosion, resistance to alkali cleaning, surface elimination effect are good.
3, surface treating agent raw material provided by the invention is easy to get, cheap, helps to save production cost；In addition, this
It is practical to invent the mating processing method provided, it is easily operated.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that：It still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (6)
1. a kind of environment-friendly type iron castings surface treating agent, which is characterized in that be made of the raw material of following weight fraction：Sodium carbonate
0.5-3.2wt%, petroleum sodium sulfonate 2.5-3.5wt%, odium stearate 2.4-5.6wt%, Span-85 3.3-5.6wt%,
Span-40 0.25-1.5wt%, Tween-61 2.4-3.5wt%, pentaerythrite 5-10wt%, sodium sulphate 3.6-5.2wt%,
Polyvinyl alcohol 1.5-2.7wt%, surplus are deionized water.
2. environment-friendly type iron castings surface treating agent as described in claim 1, which is characterized in that by the raw material of following weight fraction
Composition：Sodium carbonate 1.2-2.6wt%, petroleum sodium sulfonate 2.8-3.2wt%, odium stearate 3.3-4.5wt%, Span-85 4.0-
5.5wt%, Span-40 0.75-1wt%, Tween-61 2.8-3.2wt%, pentaerythrite 6-8wt%, sodium sulphate 4.2-
4.8wt%, polyvinyl alcohol 1.8-2.2wt%, surplus are deionized water.
3. environment-friendly type iron castings surface treating agent as claimed in claim 2, which is characterized in that by the raw material of following weight fraction
Composition：Sodium carbonate 1.2wt%, petroleum sodium sulfonate 2.8wt%, odium stearate 3.3wt%, Span-85 4.0wt%, Span-40
0.75wt%, Tween-61 2.8wt%, pentaerythrite 6wt%, sodium sulphate 4.2wt%, polyvinyl alcohol 1.8wt%, surplus are
Deionized water.
4. a kind of method using environment-friendly type surface treating agent as claimed in any one of claims 1-3 processing iron castings,
It is characterized in that, includes the following steps：
S1, iron castings paraffin removal：Iron castings blank is placed in wax removing agent and impregnates 30-60min, removes iron castings blank surface
Wax, the iron castings after obtaining paraffin removal；
S2, three washings：Iron castings after rinsing paraffin removal with clear water, removes surface residual wax removing agent；
S3, oil removing, derusting：By surface treating agent and water with 1：The dilution proportion of 20-30, then remove surface residual with dilution and remove
The iron castings of cerate, processing time are 3-5min；
S4, twice washing；
S5, plating or chemical plating.
5. as claimed in claim 4 using the method for environment-friendly type surface treating agent processing iron castings, which is characterized in that the step
Cleaning way in rapid S3 is that spray or constant temperature impregnate.
6. as claimed in claim 4 using the method for environment-friendly type surface treating agent processing iron castings, which is characterized in that the step
The temperature of dilution is 40-50 DEG C in rapid S3.
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| CN108546944A (en) * | 2018-05-14 | 2018-09-18 | 安徽惠明机械制造有限公司 | A kind of environment-friendly type iron castings surface conditioning agent and its processing method |
| CN111101123A (en) * | 2018-10-29 | 2020-05-05 | 南京派诺金属表面处理技术有限公司 | Metal treatment agent and metal material surface treatment method |
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| CN101570863A (en) * | 2008-05-04 | 2009-11-04 | 姜堰市德美化工有限公司 | Phosphorus-free normal-temperature degreasing powder for steel and preparation method thereof |
| FR2978166B1 (en) * | 2011-07-18 | 2019-06-21 | Safran Landing Systems | CLEANING BATH FOR METAL ALLOY PARTS |
| CN102560515B (en) * | 2012-03-12 | 2013-11-06 | 海门市森达装饰材料有限公司 | Efficient low-foam special cleaning agent for stainless steel plate |
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