CN108385095A - A kind of bright blue passivation liquid and its configuration method with high antiseptic property - Google Patents
A kind of bright blue passivation liquid and its configuration method with high antiseptic property Download PDFInfo
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- CN108385095A CN108385095A CN201810162675.4A CN201810162675A CN108385095A CN 108385095 A CN108385095 A CN 108385095A CN 201810162675 A CN201810162675 A CN 201810162675A CN 108385095 A CN108385095 A CN 108385095A
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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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
- C23C22/12—Orthophosphates containing zinc cations
- C23C22/17—Orthophosphates containing zinc cations containing also organic acids
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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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
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Abstract
The present invention discloses a kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：37 parts of chalybeate, 1 15 parts of phosphatase 11,7 11 parts of monohydrate potassium, two 10 14 parts of citric acid monohydrate zinc, 37 parts of Cobalt monosulfate heptahydrate, 0.1 1 points of surfactant, 35 55 parts of water.And its configuration method.Formula through the invention controls passivation concentration, pH value, the parameters such as time, can obtain performance and stablize anti-corrosion excellent passivating film, complies fully with ROHS standards, the galvanizing surface white rust of resistance to neutral salt spray test 96 hours, red rust 240 hours or more.
Description
Technical field
The present invention relates to metal passivation field more particularly to a kind of bright blue passivation liquid and its configuration with high antiseptic property
Method.
Background technology
Steel-iron components will usually be passivated processing after electrogalvanizing or galvanizing, white to prevent from generating in the short time
Rust.Bright blue passivation technique can form bright blue passivation film on zinc coat, not only beautiful but also have splendid anticorrosion ability.
And existing bright blue passivation technique is there are product quality is unstable, the passivating solution service life is low, and passivating process is not easy to control,
The defects of corrosion resistance of passivating film is poor.
Invention content
The object of the present invention is to provide a kind of bright blue passivation liquid and its configuration method with high antiseptic property.The hair
Bright is a kind of trivalent chromium deactivating liquid, and not only the passivating solution service life is high, and passivating process is easy to control, and the production produced using the passivating solution
The corrosion resistance of product stay in grade, passivating film is preferable, while also having the characteristics that environmental pollution is low.
Technical solution of the present invention：
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：3-7 parts of chalybeate, phosphatase 11 1-15
Part, 7-11 parts of monohydrate potassium, two 10-14 parts of citric acid monohydrate zinc, 3-7 parts of Cobalt monosulfate heptahydrate, surfactant 0.1-1
Point, 35-55 parts of water.
The bright blue passivation liquid of high-efficiency environment friendly, by weight, including following substances：4-6 parts of chalybeate, 2-14 parts of phosphatase 11, a water
Close 8-10 parts of citric acid, two 11-13 parts of citric acid monohydrate zinc, 4-6 parts of Cobalt monosulfate heptahydrate, 0.3-0.7 parts of surfactant, water
40-50 parts.
The bright blue passivation liquid of high-efficiency environment friendly, by weight, including following substances：5 parts of chalybeate, 3 parts of phosphatase 11, a hydration lemon
9 parts of lemon acid, two 12 parts of citric acid monohydrate zinc, 5 parts of Cobalt monosulfate heptahydrate, 0.5 part of surfactant, 45 parts of water.
Aforementioned chalybeate is chromium trioxide.
Aforementioned surfactants are Brazil wax emulsifier.
Aforementioned phosphate a concentration of 85%.
A method of the bright blue passivation liquid of the aforementioned high-efficiency environment friendly of configuration, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In abovementioned steps D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In abovementioned steps F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In abovementioned steps F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
Abovementioned steps further include：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
Compared with prior art, the present invention is using monohydrate potassium and two citric acid monohydrate zinc as reducing agent, by three oxidations
Hexavalent chrome reduction in chromium is at trivalent chromium.Using trivalent chromium as film forming agent, monohydrate potassium forms mixed ligand with trivalent chromium
After complex compound, in the environment of phosphoric acid, while the catalyst of Cobalt monosulfate heptahydrate substitution reaction is added, ensures the stabilization of passivating solution
Property, to generate trivalent chromium passivation film.And the present invention is added to surfactant so that generates trivalent chromium passivation film more
Improve densification.
The passivating solution configuration method of the present invention can safely and fast be efficiently completed passivating solution configuration, in configuration process
Fully consider heat dissipation problem, it will not be because of the excessively thermally-induced production accident of solution, securely and reliably.And on safe and reliable basis
On, the reaction time is controlled, the configuration of passivating solution can be rapidly and efficiently completed.
It is tested through applicant, formula through the invention, controls the parameters such as passivation concentration, PH values, time, can obtain
Performance stablizes anti-corrosion excellent passivating film, complies fully with ROHS standards, and the galvanizing surface white rust of resistance to neutral salt spray test 96 is small
When, red rust 240 hours or more.
With reference to embodiment, the present invention will be further described, but is not intended as the foundation limited the present invention.
Embodiment 1
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：3-7 parts of chalybeate, phosphatase 11 1-15
Part, 7-11 parts of monohydrate potassium, two 10-14 parts of citric acid monohydrate zinc, 3-7 parts of Cobalt monosulfate heptahydrate, surfactant 0.1-1
Point, 35-55 parts of water.
The bright blue passivation liquid of high-efficiency environment friendly, by weight, including following substances：4-6 parts of chalybeate, 2-14 parts of phosphatase 11, a water
Close 8-10 parts of citric acid, two 11-13 parts of citric acid monohydrate zinc, 4-6 parts of Cobalt monosulfate heptahydrate, 0.3-0.7 parts of surfactant, water
40-50 parts.
The bright blue passivation liquid of high-efficiency environment friendly, by weight, including following substances：5 parts of chalybeate, 3 parts of phosphatase 11, a hydration lemon
9 parts of lemon acid, two 12 parts of citric acid monohydrate zinc, 5 parts of Cobalt monosulfate heptahydrate, 0.5 part of surfactant, 45 parts of water.
The chalybeate is chromium trioxide.
The surfactant is Brazil wax emulsifier.
The phosphoric acid concentration is 85%.
A method of the bright blue passivation liquid of configuration high-efficiency environment friendly, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In the step D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In the step F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In the step F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
The step further includes：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
In use, passivating solution and water are matched 1:1, Baume degrees is controlled in 14-16；PH value is transferred to 3.5-4.5 with NaOH, complete
At the preparation of production liquid.Then need to be passivated part be put into production liquid in be passivated.Then the part being passivated is pulled out, with
Compressed air dries up, and completes passivation.
Embodiment 2
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：3 parts of chalybeate, 1 part of phosphatase 11, one
7 parts of citric acid monohydrate, two 10 parts of citric acid monohydrate zinc, 3 parts of Cobalt monosulfate heptahydrate, 0.1 part of surfactant, 35 parts of water.
The chalybeate is chromium trioxide.
The phosphoric acid concentration is 85%.
The surfactant is Brazil wax emulsifier.
A method of the bright blue passivation liquid of configuration high-efficiency environment friendly, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In the step D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In the step F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In the step F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
The step further includes：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
In use, passivating solution and water are matched 1:1, Baume degrees is controlled in 14-16；PH value is transferred to 3.5-4.5 with NaOH, complete
At the preparation of production liquid.Then need to be passivated part be put into production liquid in be passivated.Then the part being passivated is pulled out, with
Compressed air dries up, and completes passivation.
Embodiment 3
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：7 parts of chalybeate, 5 parts of phosphatase 11, one
11 parts of citric acid monohydrate, two 14 parts of citric acid monohydrate zinc, 7 parts of Cobalt monosulfate heptahydrate, 1 part of surfactant, 55 parts of water.
The chalybeate is chromium trioxide.
The phosphoric acid concentration is 85%.
The surfactant is Brazil wax emulsifier.
A method of the bright blue passivation liquid of configuration high-efficiency environment friendly, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In the step D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In the step F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In the step F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
The step further includes：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
In use, passivating solution and water are matched 1:1, Baume degrees is controlled in 14-16；PH value is transferred to 3.5-4.5 with NaOH, complete
At the preparation of production liquid.Then need to be passivated part be put into production liquid in be passivated.Then the part being passivated is pulled out, with
Compressed air dries up, and completes passivation.
Embodiment 4
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：4 parts of chalybeate, 2 parts of phosphatase 11, one
8 parts of citric acid monohydrate, two 11 parts of citric acid monohydrate zinc, 4 parts of Cobalt monosulfate heptahydrate, 0.3 part of surfactant, 40 parts of water.
The chalybeate is chromium trioxide.
The phosphoric acid concentration is 85%.
The surfactant is Brazil wax emulsifier.
A method of the bright blue passivation liquid of configuration high-efficiency environment friendly, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In the step D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In the step F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In the step F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
The step further includes：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
In use, passivating solution and water are matched 1:1, Baume degrees is controlled in 14-16；PH value is transferred to 3.5-4.5 with NaOH, complete
At the preparation of production liquid.Then need to be passivated part be put into production liquid in be passivated.Then the part being passivated is pulled out, with
Compressed air dries up, and completes passivation.
Embodiment 5
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：6 parts of chalybeate, 4 parts of phosphatase 11, one
10 parts of citric acid monohydrate, two 13 parts of citric acid monohydrate zinc, 6 parts of Cobalt monosulfate heptahydrate, 0.7 part of surfactant, 50 parts of water.
The chalybeate is chromium trioxide.
The phosphoric acid concentration is 85%.
The surfactant is Brazil wax emulsifier.
A method of the bright blue passivation liquid of configuration high-efficiency environment friendly, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In the step D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In the step F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In the step F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
The step further includes：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
In use, passivating solution and water are matched 1:1, Baume degrees is controlled in 14-16；PH value is transferred to 3.5-4.5 with NaOH, complete
At the preparation of production liquid.Then need to be passivated part be put into production liquid in be passivated.Then the part being passivated is pulled out, with
Compressed air dries up, and completes passivation.
Embodiment 6
A kind of bright blue passivation liquid with high antiseptic property, by weight, including following substances：5 parts of chalybeate, 3 parts of phosphatase 11, one
9 parts of citric acid monohydrate, two 12 parts of citric acid monohydrate zinc, 5 parts of Cobalt monosulfate heptahydrate, 0.5 part of surfactant, 45 parts of water.
The chalybeate is chromium trioxide.
The phosphoric acid concentration is 85%.
The surfactant is Brazil wax emulsifier.
A method of the bright blue passivation liquid of configuration high-efficiency environment friendly, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
In the step D, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
In the step F, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively to reaction kettle
In, every minor tick 5-10 minutes.
In the step F, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time,
It should stop adding if displays temperature is more than 90 DEG C every 5 minutes 1 aliquots of addition, be added again after temperature reduction.
The step further includes：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer and measures solution concentration, closes
Case marker standard is 23-25 lattice.
In use, passivating solution and water are matched 1:1, Baume degrees is controlled in 14-16；PH value is transferred to 3.5-4.5 with NaOH, complete
At the preparation of production liquid.Then need to be passivated part be put into production liquid in be passivated.Then the part being passivated is pulled out, with
Compressed air dries up, and completes passivation.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of bright blue passivation liquid with high antiseptic property, it is characterised in that：By weight, including following substances：Chalybeate 3-7
Part, 1-15 parts of phosphatase 11,7-11 parts of monohydrate potassium, two 10-14 parts of citric acid monohydrate zinc, 3-7 parts of Cobalt monosulfate heptahydrate, table
Face activating agent 0.1-1 points, 35-55 parts of water.
2. the bright blue passivation liquid of high-efficiency environment friendly according to claim 1, it is characterised in that：By weight, including following objects
Matter：4-6 parts of chalybeate, 2-14 parts of phosphatase 11,8-10 parts of monohydrate potassium, two 11-13 parts of citric acid monohydrate zinc, seven hydrated sulfuric acids
4-6 parts of cobalt, 0.3-0.7 parts of surfactant, 40-50 parts of water.
3. the bright blue passivation liquid of high-efficiency environment friendly according to claim 2, it is characterised in that：By weight, including following objects
Matter：5 parts of chalybeate, 3 parts of phosphatase 11,9 parts of monohydrate potassium, two 12 parts of citric acid monohydrate zinc, 5 parts of Cobalt monosulfate heptahydrate, surface are lived
0.5 part of agent of property, 45 parts of water.
4. the bright blue passivation liquid of high-efficiency environment friendly according to claim 1, it is characterised in that：The chalybeate is chromium trioxide；
The surfactant is Brazil wax emulsifier.
5. the bright blue passivation liquid of high-efficiency environment friendly according to claim 1, it is characterised in that：The phosphoric acid concentration is 85%.
6. the method for the bright blue passivation liquid of high-efficiency environment friendly, feature described in a kind of configuration claim 1-5 any claims exist
In, including step：
A. it stocks up, according to formula, prepares raw material；
B. for water, needed for formula 1/3 water is added in a kettle, opens reaction kettle, is stirred under 20Hz rates；
C. plus iron is added required chalybeate, obtains product c in a kettle；
D. acid adding is added required phosphoric acid, obtains product d in a kettle；
E. it heats, reaction kettle heats automatically, obtains product e；Wherein reacting kettle jacketing temperature is set as 135 DEG C, warm in reaction kettle
Degree is set as 80 DEG C；
F. it feeds, in a kettle, required monohydrate potassium and two citric acid monohydrate zinc is added, obtain product f；
G. it keeps the temperature, keeps the temperature 2 hours with 80 DEG C in the case of stirring, obtain product g；
H. it cools down, heating and stirring is closed after heat preservation, waits products g to naturally cool to room temperature, obtains product h；
I. plus cobalt, turn on agitator are added required Cobalt monosulfate heptahydrate, obtain product i in a kettle；
J. plus it is living, in a kettle, required surfactant is added, obtains product j；
K. moisturizing is added remaining 2/3 water in formula, obtains product k in a kettle；
L. it stirs, product k is stirred, so that it is uniformly mixed, obtain final product l.
7. the configuration method of the bright blue passivation liquid of high-efficiency environment friendly according to claim 6, which is characterized in that the step D
In, phosphoric acid was added to 2 parts of frequencies in reaction kettle, per minor tick 5-10 minutes.
8. the configuration method of the bright blue passivation liquid of high-efficiency environment friendly according to claim 6, which is characterized in that the step F
In, monohydrate potassium and two citric acid monohydrate zinc are divided into 10 parts and are slowly added into respectively into reaction kettle, divide per minor tick 5-10
Clock.
9. the configuration method of the bright blue passivation liquid of high-efficiency environment friendly according to claim 8, which is characterized in that the step F
In, first 4 parts of monohydrate potassium and two citric acid monohydrate zinc are added in a manner of 10 aliquots every time, small every addition 1 in 5 minutes
Part, it if displays temperature is more than 90 DEG C, should stop adding, be added again after temperature reduction.
10. the configuration method of the bright blue passivation liquid of high-efficiency environment friendly according to claim 6, which is characterized in that the step
Further include：Step M is examined, and closes blender, and sampling is examined with Baume Hydrometer measures solution concentration, and criterion of acceptability is 23-25 lattice.
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| CN105088208A (en) * | 2015-09-22 | 2015-11-25 | 攀钢集团攀枝花钢铁研究院有限公司 | Trivalent chrome complex for hot dip aluminum-zinc plate and preparation method of trivalent chrome complex |
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| US4263059A (en) * | 1979-12-21 | 1981-04-21 | Rohco, Inc. | Coating solutions of trivalent chromium for coating zinc and cadmium surfaces |
| CN101173354A (en) * | 2007-11-27 | 2008-05-07 | 钢铁研究总院 | Trivalent chromium colorful passivation liquid for NdFeB Zinc-plated parts in normal temperature, method for producing the same and passivation method |
| CN101805897A (en) * | 2010-05-27 | 2010-08-18 | 贵阳华科电镀有限公司 | Passivation method for zinc-plated trivalent chromium |
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Application publication date: 20180810 |