CN107892987A - Lubrication of pinch roller - Google Patents
Lubrication of pinch roller Download PDFInfo
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- CN107892987A CN107892987A CN201710738330.4A CN201710738330A CN107892987A CN 107892987 A CN107892987 A CN 107892987A CN 201710738330 A CN201710738330 A CN 201710738330A CN 107892987 A CN107892987 A CN 107892987A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/40—Fatty vegetable or animal oils
- C10M2207/401—Fatty vegetable or animal oils used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/105—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/024—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of esters, e.g. fats
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/041—Triaryl phosphates
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The present invention is Lubrication of pinch roller, discloses the method and composition for reducing pinch roll abrasion in hot rolled strip production period, including to pinch roll or close to pinch roll coating water base lubricant or oil lubricant.
Description
The application is December 16 2011 applying date, and application number 201110440103.6, entitled " pinch roll moistens
The divisional application of the application for a patent for invention of cunning ".
Technical background
The manufacture of hot rolled strip is generally by being heated to defined temperature by slab and being rolled to requirement with roughing mill
Thickness and form coarse bar.Then coarse bar can be through the Continuous Heat mill milling with multiple rolling framves.Then can be by heat
The cooling frame cooling of strip rolling on the run-out table, winds afterwards.Generally, pinch roll is used to strip being sent on winding mandrels
It is required that position.Due to the technological improvement of upstream strip course of hot rolling, downcoiler pinch roll is to increasing productivity, reducing operation
Cost and improvement strip quality are just becoming most important.
The content of the invention
According to some embodiments, the method for reducing pinch roll abrasion in hot rolled strip production period is included to pinch
Roller or close pinch roll application of lubricating.In some embodiments, lubricant can be water base lubricant or oil lubricant.
In some embodiments, suitable lubricant includes the aqueous dilution of water base lubricant dilution or oil lubricant.
In some embodiments, lubricant includes one or more of polymer, one or more of alcohol, and phosphorus donor
And/or sulphur donor.In some embodiments, one or more of polymer are with the about 1wt%- about 99wt% of lubricant amount
In the presence of；One or more of alcohol exist with 1wt%- about 60wt% amount；Sulphur donor is with the about 0wt%- about 10wt% of lubricant
Amount exist；Exist with phosphorus donor with the about 0wt%- about 5wt% of lubricant amount.
According to some embodiments, lubricant compositions include about 1%- about 99% polymer；About 1wt%- is about
60wt% alcohol；About 0.1wt%- about 5wt% phosphorus donor and/or about 0.1wt%- about 10wt% sulphur donor.
In some embodiments, lubricant includes ester, mineral oil, sulphur donor, phosphorus donor and one or more of emulsifications
Agent.In certain embodiments, ester exists with the about 1wt%- about 99wt% of lubricant amount；Mineral oil is with the pact of lubricant
1wt%- about 99wt% amount is present；Sulphur donor exists with the about 0.1wt%- about 10wt% of lubricant amount；Phosphorus donor is to moisten
The about 0.1wt%- about 5wt% of lubrication prescription amount is present；With one or more of emulsifying agents with the about 0.1wt%- of lubricant about
10wt% amount is present.
In some embodiments, lubricant compositions include about 1wt%- about 99wt% ester, about 1wt%- about
99wt% mineral oil, about 0.1wt%- about 10wt% sulphur donor, about 0.1wt%- about 5wt% phosphorus donor peace treaty
0.1wt%- about 10wt% one or more of emulsifying agents.
In certain embodiments, lubricant includes about 0.1wt%- about 1wt% antioxidant.
In certain embodiments, suitable ester includes natural esters, synthetic ester or its combination.In some embodiments,
Suitable mineral oil includes paraffinic mineral oil, naphthenic mineral oil, poly alpha olefin and its mixture.In some embodiments,
Suitable sulphur donor includes sulfurised ester, olefine sulfide, sulfide aliphatic acid, synthesis polysulfide and combinations thereof.In some embodiment party
In case, suitable sulphur donor is water miscible.In some embodiments, suitable phosphorus donor includes phosphamide (amine
Phosphate), triaryl phosphate, phosphate and combinations thereof.In some embodiments, suitable phosphorus donor is water solubility
's.In certain embodiments, suitable emulsifying agent includes ethoxylated amine, alcohol alcoxylates, alkoxylated fatty acid, ethoxy
Base phosphate, polymeric surfactant, EO-PO block polymers, ethoxylated nonylphenol and combinations thereof.In some realities
Apply in scheme, suitable antioxidant includes phenols (phenolic) antioxidant, amine (aminic) antioxidant and its mixed
Compound.
In some embodiments, suitable polymer includes PAG, ethoxy-propoxy copolymer, gathered
Vinyl alcohol, polyvinylpyrrolidone, polyester, polyamine, polysaccharide, polyurethane and combinations thereof.In some embodiments, suitable alcohol
Including polyalcohol, monohydric alcohol, dihydric alcohol and combinations thereof.
In some embodiments, lubricant is coated on steel band with one or more nozzles.One or more
Nozzle can have about 90 °-about 130 ° of segment angle；700mm- about 2000mm roller coverage (roll barrel
coverage)；And/or about 60%- about 70% spraying is overlapping.
Brief description of the drawings
One embodiment of Fig. 1 indicating strips hot-rolling mill operation.
Fig. 2 shows that the nozzle of some embodiments is set.
The comparative oxidation skin structure (scale structure) of Fig. 3 indicating strips.
Detailed description of the invention
The present invention relates to the composition operated for hot strip mill and method.In some embodiments, the present invention relates to
And composition and method for downcoiler pinch roll technique.In certain embodiments, the present invention relates to lubricant to exist
Application in pinch roll technique.
In hot strip mill operation, strip can be sent to position required on winding mandrels by pinch roll.As in Fig. 1
As display, steel 110 can be heated to desired temperature in smelting furnace 120 first, advance to roughing mill 130 afterwards.At some
In embodiment, the oxidized skin removing machine 140 of steel 110 removes descale.Then steel 110 can advance through finishing mill 150, then
Cooled down on runout table 160 and shower 170.Then steel 110 can be sent to winding mandrels 190 by pinch roll 180.
In some embodiments, downcoiler pinch roll is last to be contacted with the strip during hot strip rolling process
A set of roller.When strip passes through pinch roll, downcoiler pinch roll can be subjected to exacting terms, be included in elevated temperature
Under (such as from about 500 DEG C of ratio), promptly (ratio such as from about 400-900rpm) and/or strip is contacted under tension.In some embodiments
In, once strip end, by finishing mill, downcoiler pinch roll, which works, keeps tension force, to cause the volume to be formed not tear open
Dissipate.In some embodiments, the volume formed is closely wound or even has vertical edge (vertical side), to be easy to
The working process on unit afterwards.
In some embodiments, the market demand and technology development already lead to process upstream productivity improve, it is necessary to
Produce longer volume and need to produce bigger volume.Due to these factors, hot strip rolling process may include to increase pinch roll and band
Time of contact between steel.In some embodiments, the time of contact increased between the hot strip steel under pinch roll and tension force needs
Want pinch roll that there is good heat endurance and conductibility and high wearability.
Lubricant
In some embodiments, hot strip rolling process can be improved by application of lubricating.In some embodiments
In, can be to pinch roll or close to pinch roll application of lubricating.
In some embodiments, any suitable lubricant can be used for pinch roll technique.Suitable lubricant may include
Mineral oil based product, ester group product, Oil-based solid suspension, ester group solid suspension, water base solid suspension and water based transparent
Product.In some embodiments, water base solid suspension lubricant product is preferable.In some embodiments, it is water base
Solid suspension lubricant can provide desirable film forming, and be regarded as environmentally acceptable.In some embodiment party
In case, water based transparent product is preferable.In some embodiments, suitable lubricant can provide desirable film forming
Property, desirable powder removes and/or desirable high-temperature behavior.
Suitable lubricant may include one or more of polymer.Suitable polymer may include the poly- second of (but not limited to)
Enol (" PVA ")；The derivative of polymethylacrylic acid；PAG (" PAG ") includes the copolymerization of various aklylene glycols
Thing；Polyvinylpyrrolidone (" PVP ")；Polyester；Polyamine；Heteroglycan or homopolysaccharide such as modified cellulose thickener include carboxylic first
Base cellulose, hydroxyethyl cellulose or chitosan；Related polyurethane thickener；Inorganic thickening agent such as montmorillonite or swelling
Soil；Or the polymer being formed in situ such as binary acid or ternary acid (as succinic anhydride or DBSA) and diamines
Reaction product.
In some embodiments, lubricant may include with about 1wt%- about 99wt%, about 5wt%- about 95wt%, about
10wt%- about 90wt%, about 15wt%- about 85wt%, about 20wt%- about 80wt%, about 25wt%- about 75wt%, about
30wt%- about 70wt%, about 35wt%- about 65wt%, about 40wt%- about 60wt%, about 45wt%- about 55wt%, about
1wt%, about 5wt%, about 10wt%, about 15wt%, about 20wt%, about 25wt%, about 30wt%, about 35wt%, about 40wt%,
About 45wt%, about 50wt%, about 55wt%, about 60wt%, about 65wt%, about 70wt%, about 75wt%, about 80wt%, about
One or more of polymer existing for 85wt%, about 90wt%, about 95wt% or about 99wt% amount.
In some embodiments, lubricant can contain one or more of unitary aliphatic and aromatic alcohol such as 2- ethyls
Hexanol, different tridecanol, 1- hexanols, hexylene glycol, 1- octanols, benzylalcohol, isopropanol, isobutanol, isononyl alcohol etc..In some embodiment party
In case, lubricant can contain one or more of glycol such as neopentyl glycol, butyl-ethyl glycol, trimethyl propane diols, two
Propane diols, ethylene glycol, diethylene glycol, DPG, hexylene glycol, Guerbet (Guerbet) alcohol etc..In some embodiments
In, lubricant can contain one or more of polyalcohols such as trimethylolpropane, trimethylolethane, pentaerythrite, glycerine,
The mixture of sorbierite or these alcohol.In some embodiments, lubricant can about 1wt%- about 60wt%, about 5wt%- about
55wt%, about 10wt%- about 50wt%, about 15wt%- about 45wt%, about 20wt%- about 40wt%, about 25wt%- are about
35wt%, about 1wt%, about 5wt%, about 10wt%, about 15wt%, about 20wt%, about 25wt%, about 30wt%, about 35wt%,
About 40wt%, about 45wt%, about 50wt%, about 55wt% or about 60wt% amount contain such alcohol (one or more).
In some embodiments, such alcohol can contain other functional groups such as amido (alkoxyamines), as in list
Monoethanolamine, diethanol amine, triethanolamine and dialkylethanolamines (as dimethyl, diethyl, dibutyl, diisopropyl ethanolamine)
In.In some embodiments, lubricant can about 1wt%- about 30wt%, about 5wt%- about 25wt%, about 10wt%- about
20wt%, about 1wt%, about 5wt%, about 10wt%, about 15wt%, about 20wt%, about 25wt% or about 30wt% amount contain
Such alcohol (one or more).
Suitable lubricant may include ester.In some embodiments, suitable ester includes natural esters and/or synthetic ester.
Suitable natural esters may include (but not limited to) vegetable esters (as the glycerine based on palm, soybean, palm kernel, rapeseed or cocoa
Three esters) and animal ester (as lard butter and fish oil).Suitable synthetic ester may include (but not limited to) based on polyalcohol ester (as
Sorbierite, glycerine, the ester of trimethylolpropane and neopentyl glycol), ester and monoesters based on glycol.All these esters can (but not
It is required) ethoxylation or propoxylation.Suitable lubricant may include with about 1wt%- about 99wt%, about 5wt%- about
99wt%, about 10wt%- about 99wt%, about 15wt%- about 99wt%, about 20wt%- about 97wt%, about 25wt%- are about
95wt%, about 1wt%, about 5wt%, about 10wt%, about 15wt%, about 20wt%, about 25wt%, about 30wt%, about 35wt%,
About 40wt%, about 45wt%, about 50wt%, about 55wt%, about 60wt%, about 65wt%, about 70wt%, about 75wt%, about
Ester existing for 80wt%, about 85wt%, about 90wt%, about 95wt%, about 97wt% or about 99wt% amount.
In some embodiments, suitable lubricant includes mineral oil.Mineral oil may include (but not limited to) cycloalkyl
Mineral oil, paraffinic mineral oil and poly alpha olefin.Mineral oil can about 1wt%- about 95wt%, about 1wt%- about 90wt%, about
1wt%- about 85wt%, about 1wt%- about 80wt%, about 1wt%- about 75wt%, about 1wt%- about 70wt%, about 1wt%- are about
65wt%, about 1wt%- about 60wt%, about 5wt%- about 55wt%, about 10wt%- about 50wt%, about 1wt%, about 5wt%, about
10wt%, about 15wt%, about 20wt%, about 25wt%, about 30wt%, about 35wt%, about 40wt%, about 45wt%, about
50wt%, about 55wt%, about 60wt%, about 65wt%, about 70wt%, about 75wt%, about 80wt%, about 85wt%, about
90wt% or about 95wt% amount are present in lubricant.
In some embodiments, suitable lubricant contains organic acid.In some embodiments, organic acid can be with ester
Included together in interior and/or be added separately to ester.Suitable organic acid may include that (but not limited to) monocarboxylic acid naturally (comes from
Plant and animal) organic acid, such as the such as refined ready denier oil acid of rosin acid, dimeric dibasic acid and aliphatic acid, tallow acid,
Palm oil fatty acid, rapeseed oil fatty acid, coconut fatty acid, fish oil fatty acid, fatty acid sunflower, soya bean fatty acid and lard
Aliphatic acid；And saturation and unsaturated, linear and branch the acid of synthesis, such as caproic acid, octanoic acid, laurate, lauroleic acid, meat
Myristic acid, myristoleic acid, palmitic acid, palmitoleic acid, stearic acid, oleic acid, linoleic acid, leukotrienes, castor oil acid, behenic acid,
Erucic acid, gluconic acid, 2 ethyl hexanoic acid, different n-nonanoic acid, isostearic acid and (alkylation) sulfonic acid etc.；And dicarboxyl organic acid, such as
Oxalic acid, malonic acid, butanedioic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, decanedioic acid and their derivative；With
And triatomic acid such as benzenetricarboxylic acid.Suitable lubricant can contain with about 0.1wt%- about 40wt%, about 0.2wt%- about
38wt%, about 0.3wt%- about 36wt%, about 0.4wt%- about 34wt%, about 0.5wt%- about 32wt%, about 0.6wt%- are about
30wt%, about 0.7wt%- about 28wt%, about 0.8wt%- about 26wt%, about 0.9wt%- about 24wt%, about 1wt%- are about
22wt%, about 1wt%- about 20wt%, about 2wt%- about 18wt%, about 4wt%- about 16wt%, about 6wt%- about 14wt%, about
8wt%- about 12wt%, about 0.1wt%, about 0.2wt%, about 0.3wt%, about 0.4wt%, about 0.5wt%, about 0.6wt%, about
0.7wt%, about 0.8wt%, about 0.9wt%, about 1wt%, about 2wt%, about 4wt%, about 6wt%, about 8wt%, about 10wt%,
About 12wt%, about 14wt%, about 16wt%, about 18wt%, about 20wt%, about 22wt%, about 24wt%, about 26wt%, about
It is organic existing for 28wt%, about 30wt%, about 32wt%, about 34wt%, about 36wt%, about 38wt% or about 40wt% amount
Acid.
In some embodiments, suitable lubricant contains the hydroxide and/or carbonate that can neutralize acid ingredient.
In some embodiments, suitable hydroxide may include potassium hydroxide, sodium hydroxide, lithium hydroxide and calcium hydroxide.
In some embodiments, suitable carbonate may include calcium carbonate.In some embodiments, suitable lubricant is included with about
0.1wt%- about 10wt%, about 0.2wt%- about 9wt%, about 0.3wt%- about 8wt%, about 0.4wt%- about 7wt%, about
0.5wt%- about 6wt%, about 0.8wt%- about 5wt%, about 0.9wt%- about 4wt%, about 1wt%- about 3wt%, about
0.1wt%, about 0.2wt%, about 0.3wt%, about 0.4wt%, about 0.5wt%, about 0.6wt%, about 0.7wt%, about
0.8wt%, about 0.9wt%, about 1wt%, about 2wt%, about 3wt%, about 4wt%, about 5wt%, about 6wt%, about 7wt%, about
Hydroxide and/or carbonate existing for 8wt%, about 9wt% or about 10wt% amount.
In some embodiments, suitable lubricant may include one or more of groups to be worked as sulphur donor
Point.Suitable sulphur donor may include the natural or synthetic sulfurised ester of (but not limited to), olefine sulfide, sulfide aliphatic acid and/or conjunction
Into polysulfide such as but not limited to synthesis dialkyl group-or diaryl-or alkylaryl-polysulfide.In some realities
Apply in scheme, suitable sulphur donor is water miscible.In some embodiments, lubricant is included with about 0.1wt%- about
15wt%, about 0.1wt%- about 13wt%, about 0.1wt%- about 10wt%, about 0.1wt%, about 0.2wt%, about 0.4wt%, about
0.5wt%, about 1wt%, about 2wt%, about 3wt%, about 4wt%, about 5wt%, about 6wt%, about 7wt%, about 8wt%, about
Sulphur donor existing for 9wt%, about 10wt%, about 12wt%, about 15wt%, about 17wt% or about 20wt% amount.
In some embodiments, suitable lubricant may include one or more of groups to be worked as phosphorus donor
Point.Suitable phosphorus donor may include (but not limited to) aromatic ester, ethoxylation and unethoxylated phosphamide, ethoxylation and
Unethoxylated three-, two-and list-alkyl/aryl phosphate such as TCP/TAP, the ethyoxyl of single- and di- alkyl phosphate
Change and unethoxylated amine salt, and polyether phosphate.In some embodiments, suitable phosphorus donor is water miscible.
In some embodiments, lubricant is included with about 0.1wt%- about 15wt%, about 0.1wt%- about 10wt%, about 0.1wt%-
About 7wt%, about 0.1wt%- about 5wt%, about 0.1wt%, about 0.2wt%, about 0.3wt%, about 0.5wt%, about 1wt%, about
2wt%, about 3wt%, about 4wt%, about 5wt%, about 6wt%, about 7wt%, about 8wt%, about 9wt%, about 10wt%, about
Phosphorus donor existing for 12wt% or about 15wt% amount.
In some embodiments, suitable lubricant may include one or more of while be acted as p and ses donor
Component.Suitable donor may include (but not limited to) dialkyl dithiophosphate and dialkyldithiocarbamacompositions
Ester.In some embodiments, suitable lubricant is included with about 0.1wt%- about 10wt%, about 0.2wt%- about 9wt%, about
0.3wt%- about 8wt%, about 0.4wt%- about 7wt%, about 0.5wt%- about 6wt%, about 0.6wt%- about 5wt%, about
0.7wt%- about 4wt%, about 0.8wt%- about 3wt%, about 0.9wt%- about 2wt%, about 0.1wt%, about 0.2wt%, about
0.3wt%, about 0.4wt%, about 0.5wt%, about 0.6wt%, about 0.7wt%, about 0.8wt%, about 0.9wt%, about 1wt%,
About 2wt%, about 3wt%, about 4wt%, about 5wt%, about 6wt%, about 7wt%, about 8wt%, about 9wt% or about 10wt% amount
Existing one or more of components to be worked simultaneously as p and ses donor.
In some embodiments, suitable lubricant may include one or more of antioxidants.It is suitable anti-oxidant
Agent may include phenol antioxidant such as 2,6- di-t-butyls-p-Cresol (=BHT) or 2,6- Di-tert-butyl-phenol or vulcanization
Di-tert-butyl-phenol, and amine phenol (amine phenol) that amine antioxidants is such as alkylated or monoalkyl and two
Alkylated diphenylamine.In some embodiments, suitable lubricant includes Yoshinox BHT.In some embodiments
In, suitable lubricant includes the combination of phenolic antioxidant and secondary aromatic amine type antioxidant.In some embodiments, moisten
Lubrication prescription is included with about 0.1wt%- about 2.5wt%, about 0.1wt%- about 2wt%, about 0.1wt%- about 1.5wt%, about
0.1wt%- about 1wt%, about 0.1wt%- about 0.5wt%, about 0.1wt%- about 0.4wt%, about 0.1wt%, about 0.2wt%,
About 0.3wt%, about 0.4wt%, about 0.5wt%, about 0.6wt%, about 0.7wt%, about 0.8wt%, about 0.9wt%, about
1wt%, about 1.1wt%, about 1.2wt%, about 1.3wt%, about 1.4wt%, about 1.5wt%, about 2wt% or about 2.5wt%'s
Antioxidant existing for amount.
In some embodiments, suitable lubricant may include the original for being complemented at those materials that preceding section is enumerated
Material, it can give other corrosion protection to various metals.In some embodiments, suitable example may include BTA
And its derivative such as methylbenzotrazole, Alkyl-methyl-amine-BTA, alkyl-imino group-BTA；Benzo thiophene
The derivative of azoles such as Na-S- benzothiazoles and Mercapto-benzothiazole；Imdazole derivatives such as Alkylated imidazole；And thiadiazoles
Derivative such as alkyl-thiadiazoles and sodium-sulfydryl-thiadiazoles.In some embodiments, suitable lubricant may include with about
0.1wt%- about 5wt%, about 0.2wt%- about 4wt%, about 0.4wt%- about 3wt%, about 0.6wt%- about 2wt%, about
0.8wt%- about 1wt%, about 0.1wt%, about 0.2wt%, about 0.4wt%, about 0.6wt%, about 0.8wt%, about 1wt%, about
Such raw material existing for 2wt%, about 3wt%, about 4wt% or about 5wt% amount.
In some embodiments, suitable lubricant may include one or more of emulsifying agents.It is any suitable to can be used
Emulsifying agent, the EO- that including but not limited to ethoxylated amine, alcohol alcoxylates, EO-PO block copolymers, alkyl start
PO block copolymers, reverse PO-EO types block copolymer, alkoxylated fatty acid, polymeric surfactant, ethoxylation phosphorus
Acid esters etc..In one embodiment, lubricant includes the ethoxylated phosphate esters combined with ethoxylated nonylphenol ether
(NNP EO4).The selection of emulsifying agent can be based on product and stability of emulsion evaluation.In some embodiments, suitable profit
Lubrication prescription include with the about 0.1wt%- about 10wt% of lubricant, the about 1wt%- about 9wt% of lubricant, lubricant about 2wt%-
About 8wt%, the about 3wt%- about 7wt% of lubricant, the about 4wt%- about 6wt% of lubricant, the about 0.1wt% of lubricant, profit
The about 1wt% of lubrication prescription, the about 2wt% of lubricant, the about 3wt% of lubricant, the about 4wt% of lubricant, the pact of lubricant
5wt%, the about 5.25wt% of lubricant, the about 6wt% of lubricant, the about 7wt% of lubricant, the about 8wt% of lubricant, lubrication
Emulsifying agent existing for the about 9wt% of agent or the about 10wt% of lubricant amount.
In some embodiments, suitable lubricant can contain one or more of amine.Suitable amine may include (but not
It is limited to) dicyclohexylamine, ethylenediamine, tallow propane diamine, diglycolamine, n-butylamine, cocoa amine and tallow amine.In some embodiment party
In case, suitable lubricant may include with about 0.1wt%- about 5wt%, about 0.2wt%- about 4wt%, about 0.4wt%- about
3wt%, about 0.6wt%- about 2wt%, about 0.8wt%- about 1wt%, about 0.1wt%, about 0.2wt%, about 0.4wt%, about
It is a kind of or more existing for 0.6wt%, about 0.8wt%, about 1wt%, about 2wt%, about 3wt%, about 4wt% or about 5wt% amount
A variety of amine.
In some embodiments, suitable lubricant is prepared to avoid slipping, while provides enough lubricities to subtract
Less wear.In some embodiments, can be by selecting prevailing condition in the contact between pinch roll and strip
Provide the lubricant of boundary lubrication under (such as speed and pressure) and avoid slipping.The lubrication state can pass through the viscosity of concentrate
With main body form and made of these concentrates the average droplet size of emulsion and determined.In some embodiments
In, support can be packed by suitable EP/AW by reducing the lubricity of abrasion in such a situa-tion.
In some embodiments, suitable lubricant can be water base.Water base lubricant with controlled lubrication level
Available for embodiment of the present invention.
Using
In some embodiments, in pinch roll technique the method for application of lubricating for obtaining desirable result
It is important.
Nozzle
In some embodiments, nozzle can be used in pinch roll technique application of lubricating.In some embodiments, moisten
Lubrication prescription is sprayed on pinch roll immediately before pinch roll contacts with the strip.In some embodiments, the property relevant with nozzle
Validity of the lubricant in pinch roll technique can be influenceed.For example, in some embodiments, bleed type, nozzle segment angle
Degree, the lubricant pressure in nozzle and/or spraying it is overlapping be optimized, with provide lubricant increase validity.At some
In embodiment, the performance of nozzle can be optimized so that lubricant to be deposited to (plate-out) characteristic (i.e. lubricant covering roller
Ability) maximize.In some embodiments, the performance of nozzle can be optimized so that the cooling performance of lubricant is maximum
Change, for example, it is overlapping by obtaining high spraying.In some embodiments, suitable bleed type includes flat-fan nozzle
(flat fan nozzle), rotation (whirl) nozzle or air atomizer spray nozzle.
As shown in fig. 2, nozzle 210 is associated with segment angle 220.In some embodiments, nozzle has
Have about 60 °-about 160 °, about 70 °-about 150 °, about 80 °-about 140 °, about 90 °-about 130 °, about 100 °-about 120 °, about 105 °-about
115 °, about 60 °, about 70 °, about 80 °, about 90 °, about 100 °, about 105 °, about 110 °, about 115 °, about 120 °, about 130 °, about
140 °, about 150 ° or about 160 ° of angle.
In some embodiments, nozzle have about 2-about 10 bars, about 4-about 8 bars, about 2 bars, about 3 bars, about 4 bars,
About 5 bars, about 6 bars, about 7 bars, about 8 bars, about 9 bars or about 10 bars of pressure value.In some embodiments, the flowing from nozzle
For under 5 bar pressures about 1L/ minutes-about 12L/ minutes, under 5 bar pressures about 2L/ minutes-about 11L/ minutes, under 5 bar pressures
About 3L/ minutes-about 10L/ minutes, under 5 bar pressures about 1L/ minutes, under 5 bar pressures about 4L/ minutes, under 5 bar pressures about
5L/ minutes, under 5 bar pressures about 6L/ minutes, under 5 bar pressures about 7L/ minutes, under 5 bar pressures about 8L/ minutes, at 5 bars
About 9L/ minutes, about 10L/ minutes, about 11L/ minutes, the about 12L/ under 5 bar pressures under 5 bar pressures under 5 bar pressures under pressure
Minute, or the about 13L/ minutes under 5 bar pressures.
In some embodiments, nozzle produces desirable roller coverage.Roller coverage refers to reception and protected
The pinch roll surface region of shield property lubricant coating.The pinch roll surface region that hot strip steel will be contacted defines roll wear
Region.In some embodiments, nozzle and pinch roll system are set, the pinch roller of contact strip is fully covered by lubricant
Lid.In some embodiments, nozzle produces about 700mm- about 2000mm, about 800mm- about 2000mm, about 900mm- about
2000mm, about 1000mm- about 1900mm, about 1100mm- about 1800mm, about 1200mm- about 1700mm, about 1300mm- are about
1600mm, about 1400mm- about 1500mm, about 700mm, about 800mm, about 900mm, about 1000mm, about 1100mm, about 1200mm,
About 1300mm, about 1400mm, about 1440mm, about 1441mm, about 1450mm, about 1500mm, about 1600mm, about 1700mm, about
1800mm, about 1900mm or about 2000mm roller coverage.
Each spraying of single-nozzle can produce bell-shaped curve distribution of particles in roller surface, cause in the end of overlay area
Particle is less and centrophyten in overlay area is more.In some embodiments, each nozzle is in line placement to provide foot
The spraying of enough width coverage and designs is overlapping.Desirable spraying is overlapping to lead particle consistent on across roller width
Distribution.In some embodiments, by nozzle it is mutually adjacent place can provide spraying it is overlapping, its increase in nozzle footprint
The distribution of particles of end.In some embodiments, it is overlapping to produce desirable spraying for nozzle.In some embodiments,
Nozzle produces about 40%- about 90%, about 45%- about 85%, about 50%- about 80%, about 55%- about 75%, about 60%- about
75%th, about 40%, about 45%, about 50%, about 55%, about 60%, about 64%, about 65%, about 70%, about 75%, about 80%, about
85% or about 90% spraying is overlapping.In some embodiments, nozzle is slightly tilted to ensure fan-spray non-interference
With the spraying area of coverage (spray foot print) on upset roller.In some embodiments, nozzle angle is about 1 °, about
2 °, about 3 °, about 4 °, about 5 °, about 6 °, about 7 °, about 8 °, about 9 °, about 10 °, about 11 °, about 12 °, about 13 °, about 14 ° or about 15 °.
Coating duration arrangement
The arrangement of time of lubricant applying in pinch roll technique provide lubricant maximum validity be also likely to be
Important.In some embodiments, application of lubricating so that protection is formed before starting to contact between strip and pinch roll
Film.In some embodiments, the application of lubricating after strip has arrived at pinch roll.In some embodiments, band is worked as
Steel afterbody terminates lubricant applying when leaving pinch roll.
In some embodiments, the arrangement of time of lubricant applying by computer (such as hot strip rolling process
Operation computer) control.In some embodiments, by signal, such as (4-20mA believes for the arrangement of time of lubricant applying
Number) control.
Lubricant concentration
The lubricant concentration being coated with is also likely to be important to the maximum validity that lubricant is provided in pinch roll technique
's.In some embodiments, hardness of the suitable lubricant concentration based on produced steel, temperature and grade and associated therewith
Different wear rates determine.In some embodiments, coating cost can be reduced and/or provide according to product by diluting net lubricant
Change the ability of lubricant concentration with pinch roll characteristic.In some embodiments, suitable lubricant concentration is included about
1wt%- about 100wt%, about 5wt%- about 100wt%, about 10wt%- about 100wt%, about 10wt%- about 95wt%, about
10wt%- about 90wt%, about 10wt%- about 85wt%, about 10wt%- about 80wt%, about 10wt%- about 75wt%, about
15wt%- about 70wt%, about 20wt%- about 65wt%, about 25wt%- about 60wt%, about 30wt%- about 55wt%, about
35wt%- about 50wt%, about 1wt%, about 5wt%, about 10wt%, about 15wt%, about 20wt%, about 25wt%, about 30wt%,
About 35wt%, about 40wt%, about 45wt%, about 50wt%, about 55wt%, about 60wt%, about 65wt%, about 70wt%, about
75wt%, about 80wt%, about 85wt%, about 90wt%, about 95wt% or about 100wt%.
In some embodiments, the method for lubricant applying and specification may be selected in pinch roll technique to avoid excessively moistening
It is sliding.In some embodiments, over-lubrication can be caused by the type, amount and/or concentration of lubricant.For example, in some implementations
In scheme, conventional oil lubricant under hydrodynamic lubrication situation by operating to provide over-lubrication.In some embodiment party
In case, the over-lubrication of pinch roll technique causes tractive force to be lost.The tractive force of pinch roll, which is lost, can cause loose winding is presented
And/or volume outward appearance staggeredly.In some embodiments, slipped defects and strip across pinch roll can be caused by lacking enough tension force
Mass defect.
Function
For example, by prevent can be by strip high temperature and tension force to aggravate abrasion mechanism, some embodiments of the invention
The pinch roll technological lubrication of composition and method can reduce pinch roll abrasion and/or increase pinch roll life-span.Such abrasion machine
The example of reason may include abrasive wear and/or adhesion (or friction) abrasion.
During hot strip rolling, particle can be removed from relatively soft surface by relatively hard materials and cause abrasive wear.Pressing from both sides
Send in roller operation, can be glued by the hard from the converted steel oxide skin for being formed on strip and/or being deposited during cooling down operation
Attached particle causes abrasive wear.In many cases, oxide skin present on strip during operating winding can be shown that in pinch roll
Predictable potential problems during operation.At 500 DEG C -700 DEG C, existing oxide skin can be mainly Fe3O4, it has most
High rigidity and the most crisp oxide skin presented in the hot rolling of steel.High rigidity oxide causes high-caliber abrasive wear, and
High fragility can cause high-caliber oxide skin to rupture, and it is adhered to pinch roll and can cause mass defect.Fig. 3, which is illustrated, to be produced
The environment of raw pinch roll abrasion.Highly oxidized iron oxide is easy to be formed under about 500 DEG C -700 DEG C of pinch roll rolling temperature,
And these oxides can cause abrasion.
In pinch roll technique, due to the scratch mechanism acted under high speed and tension force, adhesion wear can be caused.Roller and the torrid zone
Contact under steel high speed causes to rub, and it produces heat.Such heat, which is particularly, can result from locally prominent surface salient point, this
The surface salient point of sample may be intrinsic to Surfaces of Hot Rolled Strip characteristic.Under continuous motion and friction, hot localised points can cause
Rub welding, and it can cause the removal of particle：(1) removed from roller surface, cause new salient point；Or (2) remove from strip, cause
The infringement of two pairs of rollers, because foreign substance is fused in roller surface from belt steel surface.
In order to which suitably protecting is worn and increased the pinch roll life-span from such pinch roll, some embodiments of the invention
Lubricating composition and method can operate under the boundary lubrication pattern with enough tractive force, without influence strip tension and then
Volume outward appearance.In some embodiments, lubricating composition and method can provide strong surface protection from scratch, the shape on roller
Into strong and thin protectiveness boundary film, there is provided situational cooling (situational cooling) and lubrication, and provide effective
Chip and/or powder removal capacity.Some embodiments of the present invention provide and hot-strip water system are subjected to for environment
Lubricant and/or low coating cost is provided.
Following examples illustrate some embodiments of the present invention, except as otherwise noted, wherein all parts, percentage
By weight, and all temperature are °F to represent for number and ratio.
Embodiment
Embodiment 1
Lubricant is prepared according to formula as below：
| Component | Weight % |
| Water | 35 |
| Glycerine | 50 |
| EO/PO copolymers | 14 |
| Polyether phosphate (or water-soluble phosphorus donor) | 0.5-1 |
| Biocide and potassium hydroxide are to adjust pH to 7 |
The formula produces slightly slightly turbid thick liquid, and it is changed into clear solution after being diluted with water.
Embodiment 2
Reference picture 2, dispersion nozzle is implemented as follows and calculates to determine total roller coverage：
Spraying covering section length：
X=2X (standoff distance) X Tan O/2
X=2X 120mm X Tan 110/2
X=342.5mm
The coverage of the spraying area of coverage-relative to roller length：
Y=x.Cos5 °
Y=342.5Cos5 °
Y=341.2mm
Spraying covering area overlapping：
Z=y-c
Z=341.2-220
Z=121.4mm is overlapping
Total roller coverage：
220mm (nozzle center) X 5+341.2=1441mm
Embodiment 3
Water based transparent lubricant product containing polymer and antiwear additive is coated with for pinch roll, passes through 5 sprays
Mouth is coated with.Nozzle is configured to have 110 ° of angles, and is apart under 5 ° away from pinch roll 120mm distances and at inclination angle
Place, roller coverage and 64% spraying for being produced as 1441mm are overlapping 220mm.
The pinch roll life-span is relative to the pinch roll life-span increase at least 20% being only water-cooled.
Embodiment 4
Lubricant produces according to formula as below：
| Component | Weight % |
| Rapeseed oil | 15 |
| Mineral oil (naphthene base crude oil) | 72.75 |
| Sulfurised ester (10% sulphur) | 3 |
| Triaryl phosphate | 3 |
| Yoshinox BHT (BHT) | 1 |
| Nonyl phenol (NNP EO4) | 5 |
| Ethoxylated phosphate esters | 0.25 |
The formula provides stable product, obtains the emulsion that there is granularity to be 2.1um under 2.5% concentration.
As used herein, term " about " is understood to mean that the 10% of ± involved value.For example, " about 45% " shines literal meaning
It is understood to mean that 40.5%-49.5%.
It will be appreciated by persons skilled in the art that to more than shown and described exemplary can make change and
Without departing substantially from its wide inventive concept.It should be understood that the invention is not restricted to shown and described exemplary, but
It is intended to include the variant being in the spirit and scope of the invention defined such as claim.For example, the tool of exemplary
Body characteristicses can be or can not be invention claimed part, and the feature of disclosed each embodiment can combine.
It should be understood that at least some charts of the invention and description have been simplified, it is easy to be clearly understood that to concentrate on
On the element of the present invention, for the sake of clarity, while other elements are eliminated, these element ordinary skill people eliminated
Member will recognize also to may make up part of the invention.
Claims (29)
1. the method for reducing pinch roll abrasion in hot rolled strip production period, methods described is included to pinch roll or close to folder
Send roller application of lubricating.
2. the method for claim 1 wherein lubricant is water base lubricant.
3. the method for claim 1 wherein lubricant is oil lubricant.
4. the method for claim 2, wherein lubricant include the dilution of water base lubricant.
5. the method for claim 3, wherein lubricant include the aqueous dilution of oil lubricant.
6. the method for claim 2, wherein lubricant include：
(a) one or more of polymer；
(b) one or more of alcohol；With
(c) phosphorus donor and/or sulphur donor.
7. method, one of which or more the kind polymer of claim 6 is deposited with the about 1wt%- about 99wt% of lubricant amount
；One or more of alcohol exist with 1wt%- about 60wt% amount；Sulphur donor is with the about 0wt%- about 10wt%'s of lubricant
Amount is present；Exist with phosphorus donor with the about 0wt%- about 5wt% of lubricant amount.
8. the method for claim 3, wherein lubricant include：
(a) ester；
(b) mineral oil；
(c) sulphur donor；
(d) phosphorus donor；With
(e) one or more of emulsifying agents.
9. the method for claim 8, wherein ester exist with the about 1wt%- about 99wt% of lubricant amount；Mineral oil is with lubricant
About 1wt%- about 99wt% amount exist；Sulphur donor exists with the about 0.1wt%- about 10wt% of lubricant amount；Phosphorus donor
Exist with the about 0.1wt%- about 5wt% of lubricant amount；With one or more of emulsifying agents with the about 0.1wt%- of lubricant
About 10wt% amount is present.
10. the method for claim 1 wherein lubricant includes about 0.1wt%- about 1wt% antioxidant.
11. the method for claim 1 wherein lubricant with one or more nozzles is coated on steel band.
12. the method for claim 11, one of them or more nozzle has about 90 °-about 130 ° of segment angle.
13. the method for claim 11, one of them or more nozzle has 700mm- about 2000mm roller coverage.
14. the method for claim 11, spraying of one of them or more nozzle with about 60%- about 70% is overlapping.
15. lubricant compositions, the composition includes：
(a) about 1wt%- about 99wt% ester；
(b) about 1wt%- about 99wt% mineral oil；
(c) about 0.1wt%- about 10wt% sulphur donor；
(d) about 0.1wt%- about 5wt% phosphorus donor；With
(e) about 0.1wt%- about 10wt% one or more of emulsifying agents.
16. the lubricant compositions of claim 15, the composition is further anti-oxidant comprising about 0.1wt%- about 1wt%
Agent.
17. the lubricant compositions of claim 15, wherein ester include natural esters, synthetic ester or its combination.
18. the lubricant compositions of claim 15, its mineral oil in fluid is selected from paraffinic mineral oil, naphthenic mineral oil, poly- α-alkene
Hydrocarbon and its mixture.
19. the lubricant compositions of claim 15, wherein sulphur donor are selected from sulfurised ester, olefine sulfide, sulfide aliphatic acid, synthesis
Polysulfide and combinations thereof.
20. the lubricant compositions of claim 15, wherein phosphorus donor be selected from phosphamide, triaryl phosphate, phosphate and its
Combination.
21. the lubricant compositions of claim 15, wherein emulsifying agent are selected from ethoxylated amine, alcohol alcoxylates, alkoxylate
Aliphatic acid, ethoxylated phosphate esters, polymeric surfactant, EO-PO block polymers, ethoxylated nonylphenol and its group
Close.
22. the lubricant compositions of claim 16, wherein antioxidant be selected from phenol antioxidant, amine antioxidants and its
Mixture.
23. lubricant, the lubricant includes：
(a) about 1%- about 99% polymer；
(b) about 1wt%- about 60wt% alcohol；With
(c) about 0.1wt%- about 5wt% phosphorus donor and/or about 0.1wt%- about 10wt% sulphur donor.
24. the lubricant of claim 23, wherein phosphorus donor are water miscible.
25. the lubricant of claim 23, wherein sulphur donor are water miscible.
26. the lubricant compositions of claim 23, wherein polymer are selected from PAG, ethoxy-propoxy is copolymerized
Thing, polyvinyl alcohol, polyvinylpyrrolidone, polyester, polyamine, polysaccharide, polyurethane and combinations thereof.
27. the lubricant compositions of claim 23, wherein alcohol are selected from polyalcohol, monohydric alcohol, dihydric alcohol and combinations thereof.
28. the lubricant compositions of claim 23, wherein phosphorus donor are selected from polyether phosphate, phosphamide, aromatic phosphate acid ester, fat
Fat race phosphate and combinations thereof.
29. the lubricant compositions of claim 23, wherein sulphur donor are selected from sulfurised ester, synthesis polysulfide and its mixture.
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| CN201710738330.4A CN107892987A (en) | 2011-12-16 | 2011-12-16 | Lubrication of pinch roller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710738330.4A CN107892987A (en) | 2011-12-16 | 2011-12-16 | Lubrication of pinch roller |
| CN201110440103.6A CN103157679B (en) | 2011-12-16 | 2011-12-16 | Lubrication of pinch roller |
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| US4636321A (en) * | 1985-09-30 | 1987-01-13 | Reynolds Metals Company | Water soluble lubricant |
| JPH02155506A (en) * | 1988-12-07 | 1990-06-14 | Sumitomo Metal Ind Ltd | Method for controlling sheet thickness of hot rolled stock |
| JPH038510A (en) * | 1989-06-06 | 1991-01-16 | Sumitomo Light Metal Ind Ltd | Method of lubrication in hot rolling for aluminum |
| JPH0633085A (en) * | 1992-07-15 | 1994-02-08 | Kawasaki Steel Corp | Hot rolling oil for steel |
| FI108525B (en) * | 1999-06-14 | 2002-02-15 | Outokumpu Oy | A way to improve lubrication in rolling mills |
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