CN106221496B - Aqueous isolation steel-titanium coating and its application - Google Patents

Aqueous isolation steel-titanium coating and its application Download PDF

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CN106221496B
CN106221496B CN201610598890.XA CN201610598890A CN106221496B CN 106221496 B CN106221496 B CN 106221496B CN 201610598890 A CN201610598890 A CN 201610598890A CN 106221496 B CN106221496 B CN 106221496B
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titanium
powder
coating
steel
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CN106221496A (en
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许哲峰
郑昊青
徐权
肖聪
李军
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Pangang Group Research Institute Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/18—Applications used for pipes

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Abstract

The present invention relates to a kind of coating for preventing from bonding between metal, and in particular to a kind of aqueous isolation steel-titanium coating and its application in titanium ingot preparation process.The aqueous isolation steel-titanium coating of the present invention, contains following parts by weight ingredient: 50~150 parts of Watery film-fomer, 0~50 part of Cu powder, and 0~50 part of Fe powder, Al2O3400~450 parts of powder, Fe2O3300~350 parts of powder.Coating of the present invention can guarantee that titanium tube in 900 DEG C of rollings or perforation procedure, does not occur bonding with steel equipment roll or capstan winch and reacts, and improve the lumber recovery and production efficiency of titanium processing；Simple process, easy to operate, coating is environment friendly and pollution-free, and preparation method is simple.

Description

Aqueous isolation steel-titanium coating and its application
Technical field
The present invention relates to a kind of coating for preventing from bonding between metal, and in particular to a kind of aqueous isolation steel-titanium coating and its Application in titanium ingot preparation process.
Background technique
Domestic manufacturer is applied without report using high temperature resistant titanium-steel anti-stick using during titanium ingot round billet production titanium tube at present Layer；900 DEG C of titanium ingot round billet keeps the temperature 4h or more in heating furnace, could release heating furnace, carries out the rolling work of titanium tube.Due to titanium And its with steel rolling equipment, roller-way and rolling capstan winch " viscous titanium " phenomenon is occurring for alloy after 900 DEG C of heat preservation 4h of high temperature, this Titanium tube surface is set " misrun " phenomenon of different depth occur, due to being rotation perforation, rolling when rolling titanium tube, titanium base is in height Drilling/rolling is carried out in fast rotation process, due to titanium-based titanium alloy high-temperature characteristic effect, is easy to be deposited with iron existing As notably producing TiFe phase.If titanium tube Surface Creation TiFe, which meets, seriously affects titanium surface mechanical properties and tissue, make Titanium tube brought in following process and use process various defects, loss, it is not corrosion-resistant the defects of problem；In addition, due to " equipment Viscous titanium " causes to want first grinding apparatus that could roll subsequent titanium base again in the subsequent operation of rolling.It is unable to continuous rolling titanium tube Or titanium product, waste a large amount of time and energy consumption；Meanwhile dimension of inner and outer diameters precision and surface quality to guarantee titanium tube, state Interior producer is all to be carried out machining, lose in this way it is larger, due to titanium ingot be by titanium sponge react make, by titanium tube, Outer portion machines away, and seriously affects the cost and lumber recovery of titanium, therefore carries out the protection work of high temperature resistant titanium-steel anti-stick coating It is highly desirable.
The prior art is all to be sprayed on titanium ingot surface before titanium ingot is made annealing treatment, will to each titanium ingot surface Spray treatment is carried out, along with coating needs certain time dry after spraying, technique, which is prepared, just becomes complicated, preparation time It is especially long, it is unable to serialization and efficiently produces.And in the operation of rolling of titanium tube, due to the deformation of titanium ingot, sprayed in titanium ingot surface The coating is ineffective to prevent titanium-steel bonding.If the coating is directly sprayed at rolling capstan winch surface, due to capstan winch and titanium The material of ingot is different, and film forming and adhesion effect are poor, can not prevent titanium-steel bonding well.
Therefore, to solve the above-mentioned problems, need a kind of simple process, energy conservation and environmental protection, can with serialization, efficiently prepare titanium Defect loss and production cost is effectively reduced, moreover it is possible to prevent the high temperature resistant anti-stick coating of equipment damage in pipe.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind in the titanium tube operation of rolling, it is possible to reduce titanium tube surface lacks It falls into, reduces production cost, improve titanium tube surface quality, coating can be bonded with the anti-titanium of the aqueous high-temperature-resistant of continuous production-steel.
The aqueous isolation steel-titanium coating of the present invention, contains following parts by weight ingredient: 50~150 parts of Watery film-fomer, Cu powder 0 ~50 parts, 0~50 part of Fe powder, Al2O3400~450 parts of powder, Fe2O3300~350 parts of powder.
Further, technical solution more preferably, above-mentioned aqueous isolation steel-titanium coating, containing following parts by weight at Point: 50~150 parts of Watery film-fomer, 10~50 parts of Cu powder, 10~50 parts of Fe powder, Al2O3400~450 parts of powder, Fe2O3Powder 300 ~350 parts；Preferably comprise following parts by weight ingredient: 100 parts of Watery film-fomer, 50 parts of Cu powder, 50 parts of Fe powder, Al2O3450 parts of powder, Fe2O3350 parts of powder.
Above-mentioned aqueous isolation steel-titanium coating, also contain following parts by weight ingredient: 1~2 part of curing agent, dispersing agent 0.5~1 Part, 1~5 part of water；Preferably 1 part of curing agent, 0.5 part of dispersing agent, 5 parts of water.
Further, technical solution more preferably, above-mentioned aqueous isolation steel-titanium coating, it is characterised in that: by following Parts by weight ingredient composition: 50~150 parts of Watery film-fomer, 10~50 parts of Cu powder, 10~50 parts of Fe powder, Al2O3Powder 400~450 Part, Fe2O3300~350 parts of powder, 1~2 part of curing agent, 0.5~1 part of dispersing agent, 1~5 part of water；More preferable Watery film-fomer 100 Part, 50 parts of Cu powder, 50 parts of Fe powder, Al2O3450 parts of powder, Fe2O3350 parts of powder, 1 part of curing agent, 0.5 part of dispersing agent, 5 parts of water.
Above-mentioned aqueous isolation steel-titanium coating, wherein the Watery film-fomer be epoxy resin, it is aqueous polyurethane paint, aqueous At least one of acrylic latex coating, Water-borne alkyd coating.
Above-mentioned aqueous isolation steel-titanium coating, wherein the curing agent is SiO2, waterglass, Al2(HPO4)3In at least one Kind, preferably SiO2；The dispersing agent is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate, is preferably gathered Vinyl alcohol.
Further, technical solution more preferably, above-mentioned aqueous isolation steel-titanium coating, wherein the aqueous isolation Steel-titanium coating pH value is 7.5~9.5；Solid content is 85~90%, preferably 87%.
The present invention also provides a kind of application of aqueous isolation steel-titanium coating in titanium tube rolling.
Application of the above-mentioned aqueous isolation steel-titanium coating in titanium tube rolling, at room temperature, by aqueous isolation steel-titanium coating Coated in steel equipment surface, roller surface or capstan winch surface, the film layer of 0.2~0.4mm thickness is formed；Preferably 0.3mm.
Application of the above-mentioned aqueous isolation steel-titanium coating in titanium tube rolling, using pneumatic spraying, airless spraying or craft The mode of brushing is coated.
Compared with the prior art, the present invention also has the following beneficial effects:
(1) coating of the present invention can guarantee titanium tube 900 DEG C rolling or perforation procedure in, not with steel equipment roll or capstan winch Bonding reaction occurs, improves the lumber recovery and production efficiency of titanium processing；
(2) present invention can be set using simple production process, easy to operate equipped with pneumatic spraying, airless spraying and brushing It is used on standby production line；
(3) this product is aqueous, environmental protective high temperature resistant anti-stick coating, does not contain the nocuousness limited in RoHS mass in coating Element, meanwhile, this product is volatilized without noxious material in air, does not influence environmentally friendly effect of construction environment etc.；
(4) extemporaneous preparation when the aqueous isolation steel-titanium coating of the present invention can be used, prepares period, simple possible；It can also After preparing production, at room temperature, coating stabilization shelf-stability be can reach 6 months or more.
Specific embodiment
The aqueous isolation steel-titanium coating of the present invention, contains following parts by weight ingredient: 50~150 parts of Watery film-fomer, Cu powder 0 ~50 parts, 0~50 part of Fe powder, Al2O3400~450 parts of powder, Fe2O3300~350 parts of powder.
Further, technical solution more preferably, above-mentioned aqueous isolation steel-titanium coating, containing following parts by weight at Point: 50~150 parts of Watery film-fomer, 10~50 parts of Cu powder, 10~50 parts of Fe powder, Al2O3400~450 parts of powder, Fe2O3Powder 300 ~350 parts；Preferably comprise following parts by weight ingredient: 100 parts of Watery film-fomer, 50 parts of Cu powder, 50 parts of Fe powder, Al2O3450 parts of powder, Fe2O3350 parts of powder.
Above-mentioned aqueous isolation steel-titanium coating, also contain following parts by weight ingredient: 1~2 part of curing agent, dispersing agent 0.5~1 Part, 1~5 part of water；Preferably 1 part of curing agent, 0.5 part of dispersing agent, 5 parts of water.
Further, technical solution more preferably, above-mentioned aqueous isolation steel-titanium coating, it is characterised in that: by following Parts by weight ingredient composition: 50~150 parts of Watery film-fomer, 10~50 parts of Cu powder, 10~50 parts of Fe powder, Al2O3Powder 400~450 Part, Fe2O3300~350 parts of powder, 1~2 part of curing agent, 0.5~1 part of dispersing agent, 1~5 part of water；More preferable Watery film-fomer 100 Part, 50 parts of Cu powder, 50 parts of Fe powder, Al2O3450 parts of powder, Fe2O3350 parts of powder, 1 part of curing agent, 0.5 part of dispersing agent, 5 parts of water.
Above-mentioned aqueous isolation steel-titanium coating, wherein the Watery film-fomer be epoxy resin, it is aqueous polyurethane paint, aqueous At least one of acrylic latex coating, Water-borne alkyd coating.
Above-mentioned aqueous isolation steel-titanium coating, wherein the curing agent is SiO2, waterglass, Al2(HPO4)3In at least one Kind, preferably SiO2；The dispersing agent is at least one of polyvinyl alcohol, hydrolyzed maleic anhydride, barium stearate, is preferably gathered Vinyl alcohol.
Further, technical solution more preferably, above-mentioned aqueous isolation steel-titanium coating, wherein the aqueous isolation Steel-titanium coating pH value is 7.5~9.5；Solid content is 85~90%, preferably 87%, can guarantee rolling equipment surface in this way Form uniform high-temperature adhesion resistant knot protective film layer.
The present invention also provides a kind of application of aqueous isolation steel-titanium coating in titanium tube rolling.
Application of the above-mentioned aqueous isolation steel-titanium coating in titanium tube rolling, at room temperature, by aqueous isolation steel-titanium coating Coated in steel equipment surface, roller surface or capstan winch surface, the film layer of 0.2~0.4mm thickness is formed；Preferably 0.3mm.Work as film When layer adhesion amount is less than 0.20mm, in rolling or perforation procedure, the rotation of titanium ingot pastes and coating adhesion amount thickness is caused gradually to drop It is low, so to guarantee having enough coating layer thicknesses, prevent from all being sticked out by titanium tube, cannot get sufficient high temperature oxidation resisting protection. If film layer adhesion amount is more than 0.40mm, cost is increased.
Application of the above-mentioned aqueous isolation steel-titanium coating in titanium tube rolling, using pneumatic spraying, airless spraying or craft The mode of brushing carry out be coated in steel equipment surface, roller surface or capstan winch surface after, the film layer of formation at room temperature, 5 Rapid curing in~10min；Since solid part is high, phenomena such as being not in film layer trickling, sagging, coating adhesion is very good, Either under wet film or when dry film, coating adhesion can meet the needs of titanium ingot roller-way bobbing machine friction, be not in Coating scaling or picking phenomenon；Coating method, drying means etc. are not particularly limited, coating method can be according to live real Border situation needs to carry out corresponding form of construction work.
The aqueous isolation steel-titanium coating preparation method of the present invention can use commonly used in the art various without particular/special requirement Method can matching while using as long as each component is uniformly mixed.But the present inventor has found under study for action, preferably adopts Aqueous isolation steel-titanium coating is prepared with the following method, and each component can be made to mix more evenly.Method particularly includes: it first will be aqueous Watery film-fomer is mixed with water and is diluted, and then under stiring, is slowly added to copper powder, Fe2O3Powder, iron powder and aluminum oxide Then powder adds curing agent, stir evenly, and adds dispersing agent, stirring is in uniform and stable phase.
In solidification process, it is only necessary to the moisture for being attached to coating surface is removed, because leading without adding any promotor again Wanting curing mode is spontaneous curing, and in order to save curing time, the methods of heated-air drying or induction heating, coating also can be used After solidification, coating is not in picking and crack phenomenon.
Coating high temperature resistant principle prepared by the present invention are as follows: when temperature reaches 900 DEG C, organic coating starts slowly burned Fall, but Fe starts slowly to melt softening, it at this time can be the Al in coating2O3Powder is fixed on roll or capstan winch surface, plays heat-insulated Effect；Alloying reaction occurs for Al and Ti in coating, forms TiAl3Alloy-layer, this layer of substance is very fine and close, can completely cut off machine Bonding reaction occurs for the substances such as body titanium and extraneous (steel) ferro element, has the function that titanium-steel bonding occurs for prevention and treatment.
The temperature that the anti-titanium of high temperature resistant-steel bonding coating uses is not particularly limited, but molten due to inorganic agent of the invention Agent is water, guarantees the temperature condition that water does not freeze and vaporizes, uses at normal temperature.
A kind of anti-titanium of high temperature resistant of the present invention-steel bonds coating, is painted on rolling capstan winch surface online, can consolidate rapidly Change, form self-drying type coating, which can guarantee titanium tube under 900 DEG C of high temperature, and surface does not occur bonding with steel surface and generates TiFe phase can be effectively reduced production cost and improve productivity effect, more main raising Product Precision size and surface quality；This The corresponding coating process technology provided with good economic efficiency, social benefit and wide popularization and application foreground are provided.
A specific embodiment of the invention is further described below with reference to embodiment, is not therefore limited the present invention System is among the embodiment described range.
Embodiment 1
Aqueous isolation steel-titanium coating is prepared according to each raw material in table 1 and its weight proportion:
Aqueous isolation steel-titanium coating raw material and its proportion of table 1
Wherein, K1~K4 is experimental group, and D1~D3 is control group, and a blank control group D4 is separately arranged and (does not apply coating Direct Rolling), and wherein Watery film-fomer is epoxy resin (solid content 50%)；Curing agent is SiO2, dispersing agent is poly- second Enol.Aqueous isolation steel-titanium coating pH value prepared by the present invention is 7.5~9.5；Solid content is 85~90%.
Preparation method are as follows: at normal temperatures and pressures, by Watery film-fomer, Cu powder, Fe powder, Fe2O3Powder, Al2O3Powder is added It into container, is stirred continuously in adition process, is stirring evenly and then adding into curing agent, dispersing agent and water, stirs evenly, be in solution Uniform and stable phase is to get aqueous isolation steel-titanium coating.
Aqueous isolation steel-titanium coating prepared by above-mentioned each group is using pneumatic spraying, airless spraying or manual brushing Mode carry out be coated in steel equipment surface, roller surface or capstan winch surface after, at room temperature spontaneously dry, solidify 10~ 15min obtains the film layer with a thickness of 0.2~0.4mm.Titanium tube rolling is carried out at 900 DEG C.The titanium tube surface matter obtained after rolling Amount is good, and titanium tube and roll, capstan winch etc. are not adhered, and specific comparative situation is as follows:
The aqueous isolation steel-titanium coating of table 2 and control group test performance
From Table 2, it can be seen that using the coating coating equipment of embodiment K1~K4, the titanium tube surface matter that is obtained after rolling Amount is good, and titanium tube and roll, capstan winch etc. hardly bond.It is not coated by the roll or strand of any coating (i.e. blank control group D4) Disk, the titanium tube obtained after rolling, titanium tube surface defect is serious, and equipment also has a degree of viscous titanium, ability after needing to polish It continues to use.Using the coating coating equipment of D1, D2 and D3, the titanium tube surface defect rate after rolling is still higher, cannot be fine Prevent titanium steel from bonding.
10,000 tons of production capacities are produced in design per year, are calculated with 1.5 tons of each titanium ingot (semifinished product), to be produced 6300 or so titaniums every year There is titanium steel bonding 5mm~20mm depth calculation with each titanium ingot in billet, and each titanium ingot will machine away 100~200 kilograms, with 80000 yuan/ton of titanium ingot calculating, each titanium ingot lose between 8000~16000 yuan because gluing titanium cutting tip, meanwhile, also to spend Take a large amount of human and material resources to be cut, it is additional to increase production cost and production time, and use this technology, will for titanium tube and A large amount of production cost is saved in the production of other titanium alloy products, in terms of in each titanium ingot operation of rolling using 2~5kg of coating It calculates, every coating price is calculated by 200,000/ton, and the new returns of this technology are seen below shown in formula:
The output of the annual titanium ingot of W-: being calculated with 10,000 tons, about produces 6300 titanium ingots every year；
The each titanium ingot of A- is because gluing titanium-steel layer problem cutting amount: pressing 50Kg calculating/titanium ingot；
The cost of P1- titanium ingot: 80 yuan/Kg；
W1- sprays the consumption of high temperature resistant anti-stick coating, 3Kg/ ingot；
P2- high temperature resistant anti-stick coating price per ton: it is calculated by 200 yuan/Kg；
The new returns that Y- uses this technology to generate every year:
Then:
Y=(P1 × A-W1 × P2) × W
=(4000-600) × 6300
=2142 (ten thousand yuan)
As it can be seen that coating provided by the invention is with good economic efficiency, social benefit and wide popularization and application foreground.

Claims (11)

1. aqueous isolation steel-titanium coating, it is characterised in that: the aqueous isolation steel-titanium coating is coated in steel equipment surface, rolls Roller surface or capstan winch surface, and be made of following parts by weight ingredient: 50~150 parts of Watery film-fomer, 10~50 parts of Cu powder, Fe powder 10~50 parts, Al2O3400~450 parts of powder, Fe2O3300~350 parts of powder, 1~2 part of curing agent, 0.5~1 part of dispersing agent, water 1~ 5 parts；Wherein, the curing agent is SiO2, waterglass, Al2(HPO4)3At least one of.
2. aqueous isolation steel-titanium coating according to claim 1, it is characterised in that: 100 parts of Watery film-fomer, 50 parts of Cu powder, 50 parts of Fe powder, Al2O3450 parts of powder, Fe2O3350 parts of powder, 1 part of curing agent, 0.5 part of dispersing agent, 5 parts of water.
3. aqueous isolation steel-titanium coating according to claim 1 or claim 2, it is characterised in that: the Watery film-fomer is asphalt mixtures modified by epoxy resin At least one of rouge, aqueous polyurethane paint, Aqueous acrylic latex's paint, Water-borne alkyd coating.
4. aqueous isolation steel-titanium coating according to claim 1 or claim 2, it is characterised in that: the dispersing agent be polyvinyl alcohol, At least one of hydrolyzed maleic anhydride, barium stearate.
5. aqueous isolation steel-titanium coating according to claim 4, it is characterised in that: the curing agent is SiO2；The dispersion Agent is polyvinyl alcohol.
6. aqueous isolation steel-titanium coating according to claim 1 or claim 2, it is characterised in that: the aqueous isolation steel-titanium coating PH value be 7.5~9.5；Solid content is 85~90%.
7. aqueous isolation steel-titanium coating according to claim 6, it is characterised in that: the aqueous isolation steel-titanium coating is consolidated Content is 87%.
8. application of any one of the claim 1~7 aqueous isolation steel-titanium coating in titanium tube rolling.
9. applying according to claim 8, it is characterised in that: at room temperature, aqueous isolation steel-titanium coating is coated in steel Equipment surface, roller surface or capstan winch surface form the film layer of 0.2~0.4mm thickness.
10. applying according to claim 9, it is characterised in that: thicknesses of layers 0.3mm.
11. applying according to claim 8, it is characterised in that: using the side of pneumatic spraying, airless spraying or manual brushing Formula is coated.
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