CN106757086A - For the alkaline defatting agent and its low-cost manufacture method of the cleaning of cold-rolling continuous annealing unit - Google Patents
For the alkaline defatting agent and its low-cost manufacture method of the cleaning of cold-rolling continuous annealing unit Download PDFInfo
- Publication number
- CN106757086A CN106757086A CN201610987178.9A CN201610987178A CN106757086A CN 106757086 A CN106757086 A CN 106757086A CN 201610987178 A CN201610987178 A CN 201610987178A CN 106757086 A CN106757086 A CN 106757086A
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- Prior art keywords
- weight
- alkaline
- cold
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Classifications
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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
- C23G1/16—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions using inhibitors
- C23G1/18—Organic inhibitors
-
- 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 invention discloses a kind of alkaline defatting agent and its low-cost manufacture method for the cleaning of cold-rolling continuous annealing unit, the degreasing agent includes following components and its weight percentage：25~35% alkaline matter, 4~8% anti-incrustation corrosion inhibitor, 3~6% surfactant, balance of water；Anti-incrustation corrosion inhibitor is mixed by sodium gluconate and polyepoxy sodium succinate by 1: 0.4~1.2 part by weight；Surfactant is mixed by phenolic ether phosphoric acid ester solubilizer, APES and PAMA by 1: 0.2~0.4: 0.3~0.6 part by weight.The present invention significantly reduces surfactant and the consumption of anti-incrustation corrosion inhibitor in alkaline defatting agent, and the reagent cost and cost of transportation of alkaline defatting agent are significantly reduced on the premise of cleaning performance is ensured.
Description
Technical field
The present invention relates to metal cleaning technique field, in particular to a kind of alkaline degreasing for the cleaning of cold-rolling continuous annealing unit
Agent and its low-cost manufacture method.
Background technology
Degreasing agent is mainly used in removing body surface greasy dirt, and it mainly includes alkaline defatting agent, emulsion degreasing agent and solvent
Three kinds of degreasing agent.Wherein, the cold-rolling continuous annealing unit of iron and steel enterprise is often cleaned with alkaline defatting agent.Current alkaline defatting agent
It is primarily present problems with：1) alkaline defatting agent production cost and cost of transportation are high；2) long distance transportation inconvenience；3) cleaning performance
Have much room for improvement.
The content of the invention
Present invention aim to provide a kind of alkaline defatting agent and its low-cost manufacture method, the alkaline defatting agent into
This is low, and cleaning performance is good.
To achieve the above object, the technical solution adopted by the present invention is：A kind of alkalescence for the cleaning of cold-rolling continuous annealing unit
Degreasing agent, including following components and its weight percentage：
Alkaline matter：25~35%；
Anti-incrustation corrosion inhibitor：4~8%；
Surfactant：3~6%；
Surplus：Water；
The anti-incrustation corrosion inhibitor is mixed by sodium gluconate and polyepoxy sodium succinate by 1: 0.4~1.2 part by weight
Form；
The surfactant is by phenolic ether phosphoric acid ester solubilizer, APES and PAMA
Mixed by 1: 0.2~0.4: 0.3~0.6 part by weight.
Further, the anti-incrustation corrosion inhibitor is pressed 1: 0.4~0.5 weight by sodium gluconate and polyepoxy sodium succinate
Ratio is mixed.
Further, the surfactant is by phenolic ether phosphoric acid ester solubilizer, APES and anion
Polyacrylamide is mixed by 1: 0.2~0.3: 0.3~0.4 part by weight.
Further, the alkaline matter is NaOH, Na2CO3With the mixing of one or more arbitrary proportions in KOH.
Further, the alkaline matter is NaOH, Na2CO3With KOH by 100: 0~8: 0~5 part by weight mixing
Into.
A kind of low-cost manufacture method of alkaline defatting agent for the cleaning of cold-rolling continuous annealing unit, comprises the following steps：
1) by phenolic ether phosphoric acid ester solubilizer, APES and PAMA press 1: 0.2~0.4
: 0.3~0.6 part by weight is preserved in raw material location mixed preparing forming surfactants, encapsulation；
2) sodium gluconate and polyepoxy sodium succinate are blended in raw material location by 1: 0.4~1.2 part by weight
Anti-incrustation corrosion inhibitor is configured to, encapsulation is preserved；
3) surfactant and the anti-incrustation corrosion inhibitor are being mixed into the alkali using ground and alkaline matter and water
Property degreasing agent, the alkaline defatting agent include 25~35% alkaline matter,
4~8% anti-incrustation corrosion inhibitor, 3~6% surfactant, balance of water.
Further, the step 3) in, first the surfactant is added in the aqueous solution of the alkaline matter, stir
Mix 10~20 minutes, be subsequently adding the anti-incrustation corrosion inhibitor, continue to stir 10~20 minutes, finally supply remaining water.
Further, the step 3) in, the weight concentration of the aqueous solution of the alkaline matter is 40~50%；The alkali
Property material be NaOH, Na2CO3Mixed by 100: 0~8: 0~5 part by weight with KOH.
Further, the step 1) in, the surfactant is by phenolic ether phosphoric acid ester solubilizer, alkyl phenol polyoxy second
Alkene ether and PAMA are mixed by 1: 0.2~0.3: 0.3~0.4 part by weight.
Further, the step 2) in, the anti-incrustation corrosion inhibitor presses 1 by sodium gluconate and polyepoxy sodium succinate
: 0.4~0.5 part by weight is mixed.
Compared with prior art, the present invention has advantages below：
First, degreasing agent of the invention can not be invented by the use of sodium gluconate and polyepoxy sodium succinate as scale inhibitor
Agent, while using phenolic ether phosphoric acid ester solubilizer, APES and PAMA are used as surface-active
Agent, obtained alkaline defatting agent cleaning performance is good, can realize the high-efficiency washing of cold-rolling continuous annealing unit metal.
Second, in alkaline defatting agent cost structure, the price of surfactant and anti-incrustation corrosion inhibitor is high compared with alkaline matter
Much, and the present invention significantly reduces the consumption of surfactant and anti-incrustation corrosion inhibitor in alkaline defatting agent so that alkaline degreasing
The weight content of alkali and water is up to more than 60% in agent, significantly reduced on the premise of cleaning performance is ensured alkaline defatting agent into
This.
Third, the freight of alkaline defatting agent accounts for a big chunk of its cost, particularly long-distance transportation, very great Cheng
The market competitiveness of alkaline defatting agent is limited on degree, the overlay area area of product is have impact on, and present approach provides
A kind of manufacture method for reducing alkaline defatting agent reagent cost and cost of transportation, is especially reduction of degreasing agent long-distance transportation product
Raw cost of transportation, the inventive method degreasing agent grown place prepare the few surfactant mixture of expensive but consumption and
Chelant mix, purchases alkaline matter and is processed further being configured to alkaline defatting agent finished product in alkaline defatting agent using ground,
By the inventive method, the cost of transportation of alkaline defatting agent 70~90% can be saved, iron and steel enterprise can save alkaline degreasing every year
More than 100,000 yuan of agent cost.
Fourth, the inventive method is simple to operate, and it is practical, with industrialization and popularizing application prospect.
Specific embodiment
With reference to specific embodiment, the present invention is described in further detail, is easy to more clearly understand the present invention,
But they do not constitute to the present invention and limit.
Embodiment 1
In alkaline defatting agent grown place, by phenol ether through reaction phosphoric acid ester solubilizer, APES, anion poly- third
Acrylamide, by 1: 0.2: 0.36 part by weight prepare stir, load 25 kilograms of Plastic Drum sealing preserves, label A；And
Sodium gluconate and polyepoxy sodium succinate are prepared by 1: 0.5 part by weight and is stirred, sealing is protected in being fitted into woven bag
Deposit, label B, A and B are transported to alkaline defatting agent and uses ground.Then, alkali resistance sebific duct (add water use), volume are got out
The plastic containers of 2000~3000L, alkali resistance measuring pump, 100 kilograms of electronic scales and electric mixer, use in alkaline defatting agent
Successively to adding 100 kg of water in container, 700 kilogram weights of concentration is 40% NaOH liquid and 30 kilograms of Na on ground2CO3
Powder, is stirred well to after solid dissolving to adding 49 kilograms of raw material As to stir 15 minutes in container, then to adding 63 in container
Kilogram raw material B continues to stir 15 minutes, is eventually adding 58 kg of water and stirs well mixed to all raw materials, obtains 1 ton of degreasing agent
Product.
After testing, obtained degreasing agent cleaning rate is 99% (detection method is with reference to JB/T 4323.2-1999), effectively
Eliminate the Residual oil and residual iron of Cold-strip Steel Surface.
Embodiment 2
In alkaline defatting agent grown place, by phenol ether through reaction phosphoric acid ester solubilizer, APES, anion poly- third
Acrylamide, by 1: 0.3: 0.4 part by weight prepare stir, load 25 kilograms of Plastic Drum sealing preserves, label A；And
Sodium gluconate and polyepoxy sodium succinate are prepared by 1: 0.4 part by weight and is stirred, sealing is protected in being fitted into woven bag
Deposit, label B, A and B are transported to alkaline defatting agent and uses ground.Then 1500L plastics are used to hold in alkaline defatting agent with using
Device, successively to adding 100 kg of water in container, 500 kilogram weights of concentration is 40% NaOH liquid, 200 kilogram weights
The potassium hydroxide liquid of concentration 35% and 35 kilograms of Na2CO3Powder, is stirred well to after solid dissolving 49 public to being added in container
Jin raw material A is stirred 15 minutes, then to adding 63 kilograms of raw material B to continue to stir 15 minutes in container, is eventually adding 53 kg of water
Stirring is well mixed to all raw materials, obtains 1 ton of degreasing agent product.
After testing, obtained degreasing agent cleaning rate is 99% (detection method is with reference to JB/T 4323.2-1999), effectively
Eliminate the Residual oil and residual iron of Cold-strip Steel Surface.
Embodiment 3
In alkaline defatting agent grown place, by phenol ether through reaction phosphoric acid ester solubilizer, APES, anion poly- third
Acrylamide, by 1: 0.3: 0.3 part by weight prepare stir, load 25 kilograms of Plastic Drum sealing preserves, label A；And
Sodium gluconate and polyepoxy sodium succinate are pressed 1：0.4 part by weight is prepared and stirred, and sealing is protected in being fitted into woven bag
Deposit, label B, A and B are transported to alkaline defatting agent and uses ground.Then 1500L plastics are used to hold in alkaline defatting agent with using
Device, successively to adding 100 kg of water in container, 500 kilogram weights of concentration is 40% NaOH liquid, 200 kilograms of concentration
35% potassium hydroxide liquid and 35 kilograms of Na2CO3Powder, is stirred well to after solid dissolving to adding 45 kilograms of raw material As in container
Stirring 15 minutes, then to adding 65 kilograms of raw material B to continue to stir 15 minutes in container, is eventually adding 55 kg of water and stirs to institute
There is raw material to be well mixed, obtain 1 ton of degreasing agent product.
After testing, obtained degreasing agent cleaning rate is 100% (detection method is with reference to JB/T 4323.2-1999), effectively
Eliminate the Residual oil and residual iron of Cold-strip Steel Surface.
After testing, degreasing agent cleaning rate of the present invention is more than 98%, can effectively remove the Residual oil of Cold-strip Steel Surface with it is residual
Iron.Industrial chemicals used is the common chemical products of in the market in degreasing agent prescription of the present invention, and 1 ton of this degreasing is often produced through adjusting
Agent, 50% or so of its cost of material degreasing agent price on sale equivalent to market.Additionally, the degreasing agent of the inventive method manufacture
Can save on transport costs every kilometer per ton 0.25 yuan, such as client using location away from 500 kilometers of producer, cost of transportation can save 125 yuan/
Ton.
Claims (10)
1. it is a kind of for cold-rolling continuous annealing unit cleaning alkaline defatting agent, it is characterised in that：Including following components and its weight hundred
Divide content：
Alkaline matter：25~35%；
Anti-incrustation corrosion inhibitor：4~8%；
Surfactant：3~6%；
Surplus：Water；
The anti-incrustation corrosion inhibitor is mixed by sodium gluconate and polyepoxy sodium succinate by 1: 0.4~1.2 part by weight；
, by phenolic ether phosphoric acid ester solubilizer, APES and PAMA are by 1 for the surfactant:
0.2~0.4: 0.3~0.6 part by weight is mixed.
2. the alkaline defatting agent of cold-rolling continuous annealing unit cleaning is used for according to claim 1, it is characterised in that：The scale inhibition delays
Erosion agent is mixed by sodium gluconate and polyepoxy sodium succinate by 1: 0.4~0.5 part by weight.
3. the alkaline defatting agent of cold-rolling continuous annealing unit cleaning is used for according to claim 1, it is characterised in that：Live on the surface
Property agent by phenolic ether phosphoric acid ester solubilizer, APES and PAMA by 1: 0.2~0.3: 0.3~
0.4 part by weight is mixed.
4. the alkaline defatting agent of cold-rolling continuous annealing unit cleaning is used for according to claim 1 or 2 or 3, it is characterised in that：It is described
Alkaline matter is NaOH, Na2CO3With the mixing of one or more arbitrary proportions in KOH.
5. the alkaline defatting agent of cold-rolling continuous annealing unit cleaning is used for according to claim 1 or 2 or 3, it is characterised in that：It is described
Alkaline matter is NaOH, Na2CO3Mixed by 100: 0~8: 0~5 part by weight with KOH.
6. it is a kind of for cold-rolling continuous annealing unit cleaning alkaline defatting agent low-cost manufacture method, it is characterised in that：Including with
Lower step：
1) by phenolic ether phosphoric acid ester solubilizer, APES and PAMA press 1: 0.2~0.4: 0.3
~0.6 part by weight is preserved in raw material location mixed preparing forming surfactants, encapsulation；
2) sodium gluconate and polyepoxy sodium succinate are blended in into raw material location by 1: 0.4~1.2 part by weight to prepare
Into anti-incrustation corrosion inhibitor, encapsulation is preserved；
3) by the surfactant and the anti-incrustation corrosion inhibitor to be mixed into the alkalescence using ground and alkaline matter and water de-
Fat agent, the alkaline defatting agent includes 25~35% alkaline matter, 4~8% anti-incrustation corrosion inhibitor, 3~6% surface-active
Agent, balance of water.
7. it is according to claim 6 for cold-rolling continuous annealing unit cleaning alkaline defatting agent low-cost manufacture method, its
It is characterised by：The step 3) in, first the surfactant is added in the aqueous solution of the alkaline matter, stir 10~20
Minute, the anti-incrustation corrosion inhibitor is subsequently adding, continue to stir 10~20 minutes, finally supply remaining water.
8. according to claim 6 or 7 for cold-rolling continuous annealing unit cleaning alkaline defatting agent low-cost manufacture method,
It is characterized in that：The step 3) in, the weight concentration of the aqueous solution of the alkaline matter is 40~50%；The alkaline matter
It is NaOH, Na2CO3Mixed by 100: 0~8: 0~5 part by weight with KOH.
9. according to claim 6 or 7 for cold-rolling continuous annealing unit cleaning alkaline defatting agent low-cost manufacture method,
It is characterized in that：The step 1) in, the surfactant by phenolic ether phosphoric acid ester solubilizer, APES and
PAMA is mixed by 1: 0.2~0.3: 0.3~0.4 part by weight.
10. according to claim 6 or 7 for cold-rolling continuous annealing unit cleaning alkaline defatting agent inexpensive manufacturer
Method, it is characterised in that：The step 2) in, the anti-incrustation corrosion inhibitor presses 1: 0.4 by sodium gluconate and polyepoxy sodium succinate
~0.5 part by weight is mixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987178.9A CN106757086A (en) | 2016-11-10 | 2016-11-10 | For the alkaline defatting agent and its low-cost manufacture method of the cleaning of cold-rolling continuous annealing unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610987178.9A CN106757086A (en) | 2016-11-10 | 2016-11-10 | For the alkaline defatting agent and its low-cost manufacture method of the cleaning of cold-rolling continuous annealing unit |
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| CN201610987178.9A Pending CN106757086A (en) | 2016-11-10 | 2016-11-10 | For the alkaline defatting agent and its low-cost manufacture method of the cleaning of cold-rolling continuous annealing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113549923A (en) * | 2021-07-27 | 2021-10-26 | 西南林业大学 | Typha angustifolia extract compound corrosion inhibitor and preparation method and application thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170629 Address after: 430083, Hubei Wuhan Qingshan District Factory No. 2 Gate joint stock company organs Applicant after: Wuhan iron and Steel Company Limited Address before: 430083 Qingshan District, Hubei, Wuhan Applicant before: WUHAN IRON AND STEEL CORPORATION |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |