CN108456891B - A kind of stainless steel mother alloy ingot method for cleaning surface - Google Patents
A kind of stainless steel mother alloy ingot method for cleaning surface Download PDFInfo
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- CN108456891B CN108456891B CN201810450826.6A CN201810450826A CN108456891B CN 108456891 B CN108456891 B CN 108456891B CN 201810450826 A CN201810450826 A CN 201810450826A CN 108456891 B CN108456891 B CN 108456891B
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- mother alloy
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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
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
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- Detergent Compositions (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of stainless steel mother alloy ingot method for cleaning surface, belong to stainless steel material field, and in particular to a kind of removing surface method of stainless steel mother alloy ingot；The method of the present invention, step 1 prepare cleaning liquid component A；Step 2 weighs raw material preparation cleaning liquid component B according to following component and mass fraction；Component A and component B is carried out mixing with mass ratio 1:(0.18-0.25) and cleaning liquid is made, is then dipped in the mother alloy ingot obtained after casting in cleaning liquid immediately by step 3, takes out ingot casting after ingot casting surface forms wrapping layer；Step 4, dry ingot casting surface, tears the wrapping layer after solidifying using external force when being cooled to 30-40 DEG C after dry, the mother alloy ingot after obtaining removing surface under the conditions of 60-70 DEG C.Clean method of the invention forms the wrapping layer with certain absorption property and oil removing performance on stainless steel mother alloy ingot surface to be processed, then to remove wrapping layer using segregative characteristic between the wrapping layer and stainless steel mother alloy ingot ontology, while removing wrapping layer, the dirty of stainless steel mother alloy ingot surface is equally had also been removed.
Description
Technical field
The invention belongs to stainless steel material fields, and in particular to a kind of removing surface method of stainless steel mother alloy ingot.
Background technique
Stainless steel mother alloy ingot refers to the stainless steel material after refining, and mother alloy ingot is mostly bar or block
Material, is generally poured for remelting and uses, and ingredient need to use the usually all kinds of of mother alloy ingot in strict accordance with requiring to be customized
Casting technique.The major function of mother alloy ingot is simplified smelting process control, and the process for managing production is simpler, is promoted
The quality stability of casting.
Surface is highly prone to pollute stainless steel mother alloy ingot in the fabrication process, such as attaches oils (machinery oil, lubrication
Oil, Die Oil etc.), the bits that process raw material for another example are attached, are also easy to cause not if cooling not in time during simultaneous processing output
Become rusty steel mother alloy ingot Surface Creation oxide.In the prior art, past for the dirty processing in stainless steel mother alloy ingot surface
It is cleaned toward using cleaning agent, is such as cleaned using pickling, alkali cleaning or organic matter.Pickling is using inorganic acid, such as nitric acid, salt
Acid, phosphoric acid, hydrofluoric acid etc. clean different stainless steel mother alloy ingot surfaces, and pickling is most widely used at present
Stainless steel surface cleaning process, but be also evident from the shortcomings that pickling, pickling solution has strong corrosive, and acid cleaning process will cause
The loss of stainless steel ontology, while also will cause the risk of anticaustic, it is cleaned especially with the acid solution comprising chloride ion
When, it is easy to form spot corrosion center in stainless steel surface, influences subsequent use.Alkali cleaning low efficiency, and stainless steel surface is aoxidized
The effect that object, clast are not eliminated, and pickling and alkali cleaning exist cleaning process generation wastewater flow rate is big, environmental protection is at high cost
Problem, especially alkali cleaning are blocked up also to need pickling to be neutralized, and wastewater flow rate is bigger.Organic washing agent can rapidly remove greasy dirt,
But it is be easy to cause the carbon residual in stainless steel ingot casting surface, it will affect not during the casting of later use mother alloy ingot
The carbon content of rust steelwork constitutes larger puzzlement to the stability of the chemical component of stainless steelwork.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of surfaces for stainless steel mother alloy ingot
Clean method, using high molecular material curing characteristics in the cooperation and cleaning liquid of special material in clean method of the invention,
The wrapping layer with certain absorption property and oil removing performance is formed on stainless steel mother alloy ingot surface to be processed, then with benefit
Wrapping layer is removed with segregative characteristic between the wrapping layer and stainless steel mother alloy ingot ontology, is removing the same of wrapping layer
When, equally have also been removed the dirty of stainless steel mother alloy ingot surface.
Present invention technical effect to be achieved is realized by following scheme:
Stainless steel mother alloy ingot method for cleaning surface provided in the present invention, includes the following steps:
Step 1 weighs raw material preparation cleaning liquid component A according to following component and mass fraction:
4-6 parts of aerosil
3-6 parts of resurrection glass fibre
6-8 parts of oxide powder and zinc
25-28 parts of furane resins
2-3 parts of hydroxyl magnesium silicate
2-3 parts of sodium carbonate
1-2 parts of sodium bicarbonate
3-4 parts of expanded graphite powder
0.05-0.07 parts of SIMMONDSIA CHINENSIS SEED OIL
Be ground in planetary-type grinding machine after above-mentioned raw materials are mixed be uniformly mixed and wherein solids size less than 1 μ
M obtains component A；
Step 2 weighs raw material preparation cleaning liquid component B according to following component and mass fraction:
Phosphoric acid, P-TOLUENE SULFO ACID 99, ethyl-sulfate are mixed with mass ratio 1:1:(0.2-0.4), stirs evenly, obtains group
Divide B；
Component A and component B is carried out mixing with mass ratio 1:(0.18-0.25) and cleaning liquid is made by step 3, then will casting
The mother alloy ingot obtained after making is dipped in cleaning liquid immediately, takes out ingot casting after ingot casting surface forms wrapping layer；
Step 4, dry ingot casting surface, is torn when being cooled to 30-40 DEG C after dry using external force under the conditions of 60-70 DEG C
Wrapping layer after solidification, the mother alloy ingot after obtaining removing surface.
In the present invention, using aerosil, this material and furane resins with high-specific surface area are mixed
The main structure of wrapping layer is constituted, furane resins heat resistance and water resistance are very good, corrosion resistance and anti-organic matter solvability
Also very good, while curing rate is fast, normal temperature strength is low, is highly suitable for needing rapid curing with raising efficiency in the present invention
And it is easy to remove such characteristic from ingot casting surface.The addition of aerosil be then beneficial to be promoted whole wrapping layer with
Ingot casting surface attaches ability, while also furane resins can be promoted effectively to mix with other compositions.
The demand of goal of the invention in the present invention is not met by using only resin and curing agent, the present inventor is in reality
Middle discovery is trampled, longer problem the time required to there is removing using only the wrapping layer that resin and curing agent component are formed, in this hair
It is also improved regarding to the issue above in bright, wrapping layer thickness is promoted by addition resurrection glass fibre first and surface is rubbed
Power is wiped, makes it easier to be stripped, and is easier to carry out the operation in step 3.
Secondly oxide powder and zinc and hydroxyl magnesium silicate be also added in the present invention as the ingredient with certain lubricating function, made
The wrapping layer that must be prepared can be removed under the conditions of certain temperature using external force appropriate.The easily peelable group with above-mentioned addition
Split-phase with and come be the compatibility in component A between solids and furane resins the problem of, if being added undulation degree simply
Material and lubrication powder, then resin is easy to solid powder layering, can not be applied at all, for this problem, same in the present invention
When the problem of also added a small amount of SIMMONDSIA CHINENSIS SEED OIL as activating agent, adjusting compatibility between solid component and resin, SIMMONDSIA CHINENSIS SEED OIL
For natural material, environmental protection and high temperature resistant, while also there is very strong permeability, by addition SIMMONDSIA CHINENSIS SEED OIL and utilize planetary
Grinder is ground, and the material liquid of uniform component can be obtained.It also added expanded graphite powder in the present invention simultaneously, expand stone
Ink powder is a kind of vermiform substance with loose and porous structure, other than having corrosion-resistant and self-lubricating property, is being encountered
Biggish expansion can occur for volume in the case where high temperature, and not only surface can improve, but also adsorption capacity and moulding can be mentioned significantly
It rises, has the effect of to the removal of wrapping layer in subsequent step very useful.Sodium carbonate and sodium bicarbonate can further increase phase
Capacitive, but also have the effect of oil removing.
Further, in step 1, the density of the aerosil is 65-70kg/m3, specific surface area 200-
300m2/g。
Further, in step 1, the resurrection glass fibre length is 0.5-2mm, and diameter is 15-20 μm.Fiber
It is unsuitable too long, the formation of wrapping layer is not otherwise utilized, while the diameter of fiber also needs in the reasonable scope, diameter is excessive then to packet
Covering layer thickness effect is excessive, too small, and effect is not achieved.
Further, in step 1, the oxide powder and zinc and hydroxyl magnesium silicate granularity are 0.5-1 μm.
Further, in step 2, phosphoric acid, P-TOLUENE SULFO ACID 99, ethyl-sulfate are mixed with mass ratio 1:1:0.35.This hair
Using mixed acid compatible with furane resins as furan resin hardener in bright.
Further, in step 3, the wrapping layer is with a thickness of 100-200 μm.
Further, in step 4, using warm air drying.
Further, 5-6 minutes a length of when dry in step 4.
Further, in step 4, the wrapping layer hardness after drying is calculated as within the scope of 2B-2H with pencil hardness.Preferably,
In step 4, the wrapping layer hardness after drying is calculated as HB, F or H with pencil hardness.Wrapping layer hardness need to be controlled in reasonable model
It encloses, wrapping layer hardness is excessively soft, is on the one hand difficult to cover whole ingot casting surfaces, on the other hand also result in and ingot casting surface
Binding force is inadequate, and good clean effect is not achieved, and wrapping layer hardness is too high, is easy to happen the feelings of embrittlement in process
Good clean effect is equally also not achieved in condition.
The invention has the following advantages that
The present invention provides a kind of method for cleaning surface for stainless steel mother alloy ingot, in clean method of the invention
Using high molecular material curing characteristics in the cooperation and cleaning liquid of special material, in stainless steel mother alloy ingot table to be processed
Face forms the wrapping layer with certain absorption property and oil removing performance, then to utilize the wrapping layer and stainless steel mother alloy ingot
Segregative characteristic removes wrapping layer between ontology, while removing wrapping layer, equally has also been removed the casting of stainless steel master alloy
Ingot surface it is dirty.
Specific embodiment
The present invention will now be described in detail with reference to examples.
In the present embodiment by stainless steel 022Cr17Ni7, Y12Cr18Ni9,06Cr18Ni9Cu2,022Cr18Ni15Mo3N,
Rodlike mother alloy ingot, above-mentioned mother alloy ingot are made according to chemical component by Y10Cr17,30Cr13,05Cr15Ni5Cu4Nb
Uniform length is 5cm, diameter 1cm.The stainless steel of every kind of trade mark is prepared into master alloy stick ingot casting for subsequent test.
Embodiment 1
The clean method and step of stainless steel mother alloy ingot removing surface is as follows in the present embodiment:
Step 1 weighs raw material preparation cleaning liquid component A according to following component and mass fraction:
4 parts of aerosil
3 parts of resurrection glass fibre
6 parts of oxide powder and zinc
28 parts of furane resins
3 parts of hydroxyl magnesium silicate
2 parts of sodium carbonate
1 part of sodium bicarbonate
4 parts of expanded graphite powder
0.07 part of SIMMONDSIA CHINENSIS SEED OIL
The density of aerosil is 65kg/m3, specific surface area 280m2/g。
Polytetrafluoroethylene fibre and resurrection glass fibre length are 0.5mm, and diameter is 15 μm.
Oxide powder and zinc and hydroxyl magnesium silicate granularity are 0.5 μm.
It is ground in planetary-type grinding machine after above-mentioned raw materials are mixed less than 1 μm of granularity, obtains component A.
Step 2 weighs raw material preparation cleaning liquid component B according to following component and mass fraction:
Phosphoric acid, P-TOLUENE SULFO ACID 99, ethyl-sulfate are mixed with mass ratio 1:1:0.35, stirs evenly, obtains component B.
Component A and component B is carried out mixing with mass ratio 1:0.24 and cleaning liquid is made, then will obtained after casting by step 3
The mother alloy ingot obtained is dipped in cleaning liquid immediately, takes out ingot casting after ingot casting surface forms wrapping layer.Wrapping layer is with a thickness of 180
μm。
Step 4, dry ingot casting surface, is torn when being cooled to 30 DEG C after dry using external force under the conditions of 65 DEG C of warm air dryings
Open the wrapping layer after solidifying, the mother alloy ingot after obtaining removing surface.In the step cooling rate can appropriate adjustment accelerate, can
Effectively facilitate the removing of wrapping layer.
The wrapping layer after solidifying is torn using external force after drying, wrapping layer hardness is F with pencil hardness calculating after solidification, is obtained
Mother alloy ingot after to removing surface.It " utilizes external force " described in this step to refer to and manually directly tear wrapping layer, in reality
Compatible clamp tool or film-removing device can be used for raising efficiency in production process.
Embodiment 2
Cleanup step is similar to Example 1 in the present embodiment, the difference is that: the component and quality of cleaning liquid component A
Number are as follows:
6 parts of aerosil
3 parts of resurrection glass fibre
8 parts of oxide powder and zinc
26 parts of furane resins
2 parts of hydroxyl magnesium silicate
2 parts of sodium carbonate
2 parts of sodium bicarbonate
4 parts of expanded graphite powder
0.06 part of SIMMONDSIA CHINENSIS SEED OIL.
Embodiment 3
Cleanup step is similar to Example 1 in the present embodiment, the difference is that: the component and quality of cleaning liquid component A
Number are as follows:
5 parts of aerosil
6 parts of resurrection glass fibre
6 parts of oxide powder and zinc
27 parts of furane resins
2.4 parts of hydroxyl magnesium silicate
2.2 parts of sodium carbonate
1.1 parts of sodium bicarbonate
3.5 parts of expanded graphite powder
0.05 part of SIMMONDSIA CHINENSIS SEED OIL.
Comparative example 1
Surface clean is carried out to stainless steel mother alloy ingot using hydrochloric acid pickler in this comparative example.
Comparative example 2
Stainless steel master alloy is cast using sodium hydroxide+sodium bicarbonate+sodium carbonate mixed-alkali washing lotion in this comparative example
Ingot carries out surface clean.
Comparative example 3
Surface clean is carried out to stainless steel mother alloy ingot using commercially available organic cleaning agent in this comparative example.
It is 100 that clean stainless steel mother alloy ingot quantity is carried out in above-described embodiment and comparative example, and cleaning is qualified
Rate it is as shown in the table (cleaning result is indicated with cleaning qualification rate, with ingot casting surface without greasy dirt, without current mark, it is residual without clast
It is left qualification, has one not meet, be denoted as unqualified).
Clean method in the present embodiment it can be seen from above-mentioned cleaning result is matched using furane resins and other materials
It closes, the wrapping layer with absorption property and oil removing performance is formed on stainless steel mother alloy ingot surface to be processed, then with benefit
Wrapping layer is removed with segregative characteristic between the wrapping layer and stainless steel mother alloy ingot ontology, is removing the same of wrapping layer
When, the greasy dirt and clast on stainless steel mother alloy ingot surface are equally had also been removed, while not generating any trace and residual.Comparison
Under, it is cleaned using acid washing method ineffective to oily waste degradation, can also generate certain current mark, while there is also microcosmic
The hidden danger of upper anticaustic；It is good that cleaning deoiling effect is carried out using alkali washing method, but current mark weight, the flushing after alkali cleaning are especially numerous
Multiple, wastewater flow rate is big, does not have the effect of any removal to metal residual clast；Using organic washing agent, then deoiling effect is very good,
But certain current mark can be generated, equally to metal residual clast also without the effect of any removal.
Finally, it should be noted that above embodiments be only to illustrate the technical solution of the embodiment of the present invention rather than to its into
Row limitation, although the embodiment of the present invention is described in detail referring to preferred embodiment, those skilled in the art
It should be understood that the technical solution of the embodiment of the present invention can be still modified or replaced equivalently, and these are modified or wait
The range of modified technical solution disengaging technical solution of the embodiment of the present invention cannot also be made with replacement.
Claims (10)
1. a kind of stainless steel mother alloy ingot method for cleaning surface, it is characterised in that include the following steps:
Step 1 weighs raw material preparation cleaning liquid component A according to following component and mass fraction:
4-6 parts of aerosil
3-6 parts of resurrection glass fibre
6-8 parts of oxide powder and zinc
25-28 parts of furane resins
2-3 parts of hydroxyl magnesium silicate
2-3 parts of sodium carbonate
1-2 parts of sodium bicarbonate
3-4 parts of expanded graphite powder
0.05-0.07 parts of SIMMONDSIA CHINENSIS SEED OIL
Be ground in planetary-type grinding machine after above-mentioned raw materials are mixed be uniformly mixed and wherein solids size is obtained less than 1 μm
To component A；
Step 2 weighs raw material preparation cleaning liquid component B according to following component and mass fraction:
Phosphoric acid, P-TOLUENE SULFO ACID 99, ethyl-sulfate are mixed with mass ratio 1:1:(0.2-0.4), stirs evenly, obtains component B；
Component A and component B is carried out mixing with mass ratio 1:(0.18-0.25) and cleaning liquid is made by step 3, after then casting
The mother alloy ingot of acquisition is dipped in cleaning liquid immediately, takes out ingot casting after ingot casting surface forms wrapping layer；
Step 4, dry ingot casting surface, tears solidification using external force when being cooled to 30-40 DEG C after dry under the conditions of 60-70 DEG C
Wrapping layer afterwards, the mother alloy ingot after obtaining removing surface.
2. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 1, described two
The density of silica aerogel is 65-70kg/m3, specific surface area 200-300m2/g。
3. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 1, the height
Silica glass length is 0.5-2mm, and diameter is 15-20 μm.
4. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 1, the oxygen
Change zinc powder and hydroxyl magnesium silicate granularity is 0.5-1 μm.
5. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: phosphoric acid, right in step 2
Benzene sulfonic acid, ethyl-sulfate are mixed with mass ratio 1:1:0.35.
6. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 3, the packet
Covering layer is with a thickness of 100-200 μm.
7. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 4, use
It is warm air drying.
8. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 4, when dry
It is 5-6 minutes a length of.
9. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 4, after dry
Wrapping layer hardness be calculated as within the scope of 2B-2H with pencil hardness.
10. stainless steel mother alloy ingot method for cleaning surface as described in claim 1, it is characterised in that: in step 4, after dry
Wrapping layer hardness HB, F or H are calculated as with pencil hardness.
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| CN201810450826.6A CN108456891B (en) | 2018-05-11 | 2018-05-11 | A kind of stainless steel mother alloy ingot method for cleaning surface |
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| CN201810450826.6A CN108456891B (en) | 2018-05-11 | 2018-05-11 | A kind of stainless steel mother alloy ingot method for cleaning surface |
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| CN108456891B true CN108456891B (en) | 2019-10-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380145A (en) * | 2002-05-21 | 2002-11-20 | 黄勇 | Cleaning method of smooth finish surface and its cleaning articles |
| JP2005013948A (en) * | 2003-06-27 | 2005-01-20 | Chugai Pharmaceut Co Ltd | Composition for treatment of filth, apparatus and method for treatment thereof |
| CN1669677A (en) * | 2004-03-09 | 2005-09-21 | 琳得科株式会社 | Cleaning piece and cleaning method using the same |
| CN101605880A (en) * | 2007-02-15 | 2009-12-16 | 法国原子能委员会 | Contain solid particulate decontamination, peel off and/or degreasing foam |
| CN103108581A (en) * | 2011-07-26 | 2013-05-15 | 尼托母斯股份有限公司 | Adhesive cleaner for plate surfaces |
-
2018
- 2018-05-11 CN CN201810450826.6A patent/CN108456891B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1380145A (en) * | 2002-05-21 | 2002-11-20 | 黄勇 | Cleaning method of smooth finish surface and its cleaning articles |
| JP2005013948A (en) * | 2003-06-27 | 2005-01-20 | Chugai Pharmaceut Co Ltd | Composition for treatment of filth, apparatus and method for treatment thereof |
| CN1669677A (en) * | 2004-03-09 | 2005-09-21 | 琳得科株式会社 | Cleaning piece and cleaning method using the same |
| CN101605880A (en) * | 2007-02-15 | 2009-12-16 | 法国原子能委员会 | Contain solid particulate decontamination, peel off and/or degreasing foam |
| CN103108581A (en) * | 2011-07-26 | 2013-05-15 | 尼托母斯股份有限公司 | Adhesive cleaner for plate surfaces |
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| CN108456891A (en) | 2018-08-28 |
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