CN106011880A - Environment-friendly metal surface cleaning agent and preparation method thereof - Google Patents
Environment-friendly metal surface cleaning agent and preparation method thereof Download PDFInfo
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- CN106011880A CN106011880A CN201610549590.2A CN201610549590A CN106011880A CN 106011880 A CN106011880 A CN 106011880A CN 201610549590 A CN201610549590 A CN 201610549590A CN 106011880 A CN106011880 A CN 106011880A
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- environment
- metal surface
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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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
- C23C22/362—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates containing also zinc cations
-
- 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
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses an environment-friendly metal surface cleaning agent and a preparation method thereof. The environment-friendly metal surface cleaning agent comprises the components of malic acid, ammonia water, zinc salt, a chelating agent, a fluoride additive, a surface active agent, a defoaming agent and water. The zinc salt is zinc sulfate or zinc dihydrogen phosphate; the chelating agent is a hydroxy carboxylic acid substance; the fluoride additive is NaF, Na2SiF6 or NH4HF2; and the surface active agent is a polyoxyethylene ether substance. When the cleaning agent is prepared, the zinc salt is added in the water for totally and uniformly dissolving; the malic acid is added at a proper temperature to stir for totally dissolving; the ammonia water is added to adjust PH; and the fluoride additive, the chelating agent, the surface active agent and the defoaming agent are added in sequence to stir for enabling solution to reach a homogeneous phase so as to finish preparation of the environment-friendly composite cleaning agent. The main acid used by the cleaning agent is the malic acid, so that the environmental pollution is low, the equipment corrosion is low, waste liquid is easy to treat, and three procedures of oil removal, rust removal and passivation of stainless steel can be once finished in cleaning.
Description
Technical field
The present invention relates to industrial cleaning agent technical field, particularly relate to a kind of nontoxic, simple environmental protection of cleaning
Type metal surface cleaning agent.
Background technology
The cleaning of industrial equipment is the requirement reaching full production technological design, is to create good driving to produce bar
The necessary means that part, guarantee start-of-run and production are smoothed out.Fouling on removing equipment, dimension maintenance and the expansion of in-service equipment
Build transformation to be required for carrying out industry cleaning link, so that its operation normally and efficiently.The most domestic stainless steel equipment, is being constructed and put into operation
Before will carry out oil removing, scale removal, descale and the Chemical cleaning such as passivation protection processes in maintenance, generally lead to
Cross multiple steps such as defat, pickling, passivation to reach to clean purpose.
Than more typical cleaning process it is at present:
System leak detection → water flushing → defat → water flushing → pickling → water flushing → passivation → water rinses
→ be dried.
Wherein, generally using alkaline matter such as tertiary sodium phosphate, sodium hydroxide etc. during degreasing degreasing, acid cleaning process is general
Using nitric acid, Fluohydric acid., hydrochloric acid etc., passivation can use nitric acid, nitrous acid etc..These materials inherently have certain corruption to equipment
Erosion property, toxicity is big and the difficult treatment of waste liquid, and the pollution to environment is very serious, and the use such as nitric acid, sodium nitrite can exist
Cleaning process produces poisonous oxides of nitrogen gas NOX.Further, this technique needs substep in different systems to complete clear
Washing, process is the most loaded down with trivial details, can waste the resources such as more water, time, manpower.As fully visible, be presently required a kind of nontoxic,
The stainless steel cleaner of novel environment friendly, makes cleaning process will not produce poisonous gas, not pollute the environment, and makes cleaning letter
Single, cleaning equipment will not be treated and cause corrosion injury.
Summary of the invention
In order to solve the problems of the prior art, it is an object of the invention to provide a kind of environment-friendly type metal surface abluent,
Its environmental pollution is little, little to equipment corrosion, can be by oil removing defat, rust cleaning pickling, antirust passivation three step in cleaning
Operation completes in a step, thus shortens scavenging period, has saved manpower and materials.
To achieve these goals, the technical solution used in the present invention is:
A kind of environment-friendly type metal surface abluent, the percentage by weight shared by its each component comprised and each component is respectively as follows:
Malic acid 6-10%
Ammonia 20-30%
Zinc salt 2-5%
Chelating agen 2-10%
Fluoride additive 1-3%
Surfactant 0.5-5%
Defoamer 0.05-0.07%
Water surplus.
Further preferred scheme, described zinc salt is zinc sulfate or zinc dihydrogen phosphate.
Further preferably scheme, described chelating agen is hydroxycarboxylic acid material, it is preferred that described hydroxycarboxylic acid thing
Matter is the one in poly-epoxy succinic acid, tartaric acid or sodium gluconate.
Further preferred scheme, described fluoride additive is NaF, Na2SiF6Or NH4HF2In one.
Described surfactant is polyoxyethylene ether or alkylphenol polyoxyethylene.
Described defoamer is silicone defoamer.
Described water is pure water or deionized water.
The present invention is by adding ammonia regulation pH value, and the pH value making environment-friendly type metal surface abluent of the present invention is 3-4.
Present invention also offers the preparation method of a kind of environment-friendly type metal surface abluent, it comprises the following steps:
S1, zinc salt is added to the water, and makes it be completely dissolved uniformly；
S2, control temperature, at 50-65 DEG C, add malic acid in step S1 gained solution, and stirring is to being completely dissolved；
S3, in step S2 gained solution add ammonia, regulation solution PH to 3-4；
S4, solution after regulation pH value are sequentially added into fluoride additive, chelating agen, surfactant, defoamer, and stir
Mix to solution homogeneously；
Wherein, the percentage by weight shared by each component used in above step is respectively as follows: malic acid 6-10%；Ammonia 20-
30%；Zinc salt 2-5%；Chelating agen 2-10%；Fluoride additive 1-3%；Surfactant 0.5-5%；Defoamer 0.05-
0.07%；Surplus is water.
By use above technical scheme, one environment-friendly type metal surface abluent of the present invention compared with prior art, its
Have the beneficial effect that
1, the main acid of the present invention uses malic acid, and malic acid is found in pomaceous fruit, comparatively safe and permissible to environment
Degrade voluntarily, acid mist and poisonous oxides of nitrogen gas NO will not be produced as nitric acidX, the corrosivity of equipment is dropped the most significantly
Low, well protect equipment, greatly reduce the difficulty of liquid waste processing.2, the composite stainless steel abluent of the present invention is cleaning
Oil removing defat, rust cleaning pickling, antirust passivation three-procedure can be completed in a step by technique, thus when shortening cleaning
Between, save manpower and materials.3, the present invention is nontoxic, do not pollute the environment, and discharge capacity only has Conventional cleaning methods
1/5th, easy post processing.4, environment-friendly type metal surface abluent of the present invention, it is simple to storing transport, the most inorganic acid type is clear
Lotion is the safest, is a kind of efficient environment-friendly cleaning agent.5, the abluent of the present invention is suitable for rustless steel unit
The cleaning of equipment, pipeline and storage tank；Can use in the system that the various material such as rustless steel, copper coexists, range is extensive.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention of greater clarity, below in conjunction with instantiation, to the present invention
Further describe.It should be understood that these describe the most exemplary, and it is not intended to limit the scope of the present invention.Additionally,
In following description, eliminate the description to known features and technology, to avoid unnecessarily obscuring idea of the invention.
The formula of the preparation present invention a kind of environment-friendly type metal surface abluent can use formula as below to prepare:
Formula one:
Weight percentages of components (%)
Malic acid 6
Ammonia 20
Zinc salt (zinc sulfate) 2
Chelating agen (poly-epoxy succinic acid) 5
Fluoride additive (sodium fluoride) 2
Surfactant (polyoxyethylene ether) 0.5
Defoamer 0.05
Water surplus.
Formula two:
Weight percentages of components (%)
Malic acid 10
Ammonia 30
Zinc salt (zinc dihydrogen phosphate) 3
Chelating agen (sodium gluconate) 2
Fluoride additive (Na2SiF6) 1
Surfactant (alkylphenol polyoxyethylene) 0.8
Defoamer 0.06
Water surplus.
Formula three:
Weight percentages of components (%)
Malic acid 8
Ammonia 25
Zinc salt (zinc dihydrogen phosphate) 5
Chelating agen (sodium gluconate) 10
Fluoride additive (Na2SiF6) 3
Surfactant (alkylphenol polyoxyethylene) 5
Defoamer 0.07
Water surplus.
According to the percentage by weight in above-mentioned formula, first, zinc salt it is added to the water and makes it be completely dissolved uniformly, controlling
Temperature, at 50-65 DEG C, adds malic acid, stirs and adds ammonia regulation PH to 3-4 after being completely dissolved, sequentially adds fluorination
Thing additive, chelating agen, surfactant, defoamer, be stirred for solution homogeneous, i.e. complete the environment-friendly metal of the present invention
The preparation of surface cleaning agent.
The cleaning ways such as the abluent of the present invention is applicable to circulate, soaks, sprays, brushing.
Generally, cleaning when being circulated equipment or soaking, the concentration that the abluent of the present invention uses is
The 15%-20% of the pure water total amount cleaned, the optimum temperature of cleaning controls at 60-70 DEG C, and general scavenging period is 2 little
Time；Room temperature is the most capable of washing, and the scavenging period of room temperature is extended for 4-6 hours.When carrying out soaking and washing, cleaning situation can be regarded
Proper extension soak time, less than 10 hours under room temperature.When carrying out painting way and cleaning, the use of abluent of the present invention is dense
Degree can improve to 45-50%, and the process time can foreshorten to 30 minutes to 1 hour.
Another further aspect, cleaning the industrial equipments such as such as storage tank, pipeline, heat exchanger when, uses the environmental protection of the present invention
Type metal surface cleaning agent, the steps include: that the cleanout fluid that water rinses → is configured to by the invention described above abluent cleans (de-
Fat, pickling, passivation) → water flushing → be dried → terminate.Defat therein, pickling, passivation are that a step completes.
The abluent of the present invention is applicable to the cleaning of rustless steel unit, pipeline and storage tank；Can be at rustless steel, copper etc.
The system that various material coexists uses.In the present invention, malic acid is a kind of malic acid, is found in pomaceous fruit, to environment
Comparatively safe and can degrade voluntarily, acid mist and poisonous oxides of nitrogen gas NO will not be produced as nitric acidX, to equipment
Corrosivity be greatly reduced, well protect equipment, greatly reduce the difficulty of liquid waste processing.Use being combined of the present invention
Oil removing defat, rust cleaning pickling, antirust passivation three-procedure can be completed in cleaning in a step by stainless steel cleaner,
Thus shorten scavenging period, save manpower and materials.And discharge capacity only has 1/5th of Conventional cleaning methods, easily after
Process；Environment-friendly type metal surface abluent of the present invention, it is simple to storing transport, the most inorganic acid type abluent is the most more
Safety, is a kind of efficient environment-friendly cleaning agent.
Above-mentioned detailed description of the invention is exemplary, is to preferably make skilled artisans appreciate that this
Patent, it is impossible to be not understood as this patent is included the restriction of scope；As long as according to spirit disclosed in this patent made appoint
How with change or modification, the scope that this patent includes is each fallen within.
Claims (6)
1. an environment-friendly type metal surface abluent, it is characterised in that the weight shared by its each component comprised and each component
Percentage ratio is respectively as follows:
Malic acid 6-10%
Ammonia 20-30%
Zinc salt 2-5%
Chelating agen 2-10%
Fluoride additive 1-3%
Surfactant 0.5-5%
Defoamer 0.05-0.07%
Water surplus；
Described water is pure water or deionized water；The pH value of described environment-friendly type metal surface abluent is 3-4；Described defoamer is
Silicone defoamer.
A kind of environment-friendly type metal surface abluent the most according to claim 1, it is characterised in that described zinc salt is zinc sulfate
Or zinc dihydrogen phosphate.
A kind of environment-friendly type metal surface abluent the most according to claim 1, it is characterised in that described chelating agen is hydroxyl
Carboxylic-acid substance, it is preferred that described hydroxycarboxylic acid material is in poly-epoxy succinic acid, tartaric acid or sodium gluconate
Kind.
A kind of environment-friendly type metal surface abluent the most according to claim 1, it is characterised in that described fluoride additive
For NaF, Na2SiF6Or NH4HF2In one.
A kind of environment-friendly type metal surface abluent the most according to claim 1, it is characterised in that described surfactant is
Polyoxyethylene ether or alkylphenol polyoxyethylene.
6. the preparation method of an environment-friendly type metal surface abluent, it is characterised in that it comprises the following steps:
S1, zinc salt is added to the water, and makes it be completely dissolved uniformly；
S2, control temperature, at 50-65 DEG C, add malic acid in step S1 gained solution, and stirring is to being completely dissolved；
S3, in step S2 gained solution add ammonia, regulation solution PH to 3-4；
S4, solution after regulation pH value are sequentially added into fluoride additive, chelating agen, surfactant, defoamer, and stir
Mix to solution homogeneously；
Wherein, the percentage by weight shared by each component used in above step is respectively as follows: malic acid 6-10%；Ammonia 20-
30%；Zinc salt 2-5%；Chelating agen 2-10%；Fluoride additive 1-3%；Surfactant 0.5-5%；Defoamer 0.05-
0.07%；Surplus is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549590.2A CN106011880A (en) | 2016-07-13 | 2016-07-13 | Environment-friendly metal surface cleaning agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610549590.2A CN106011880A (en) | 2016-07-13 | 2016-07-13 | Environment-friendly metal surface cleaning agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106011880A true CN106011880A (en) | 2016-10-12 |
Family
ID=57117775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610549590.2A Withdrawn CN106011880A (en) | 2016-07-13 | 2016-07-13 | Environment-friendly metal surface cleaning agent and preparation method thereof |
Country Status (1)
| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114921792A (en) * | 2022-04-28 | 2022-08-19 | 台山市科美化学工业有限公司 | Preparation method of environment-friendly battery aluminum foil cleaning agent |
-
2016
- 2016-07-13 CN CN201610549590.2A patent/CN106011880A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114921792A (en) * | 2022-04-28 | 2022-08-19 | 台山市科美化学工业有限公司 | Preparation method of environment-friendly battery aluminum foil cleaning agent |
| CN114921792B (en) * | 2022-04-28 | 2023-01-06 | 台山市科美化学工业有限公司 | Preparation method of environment-friendly battery aluminum foil cleaning agent |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161012 |