CN103992686A - High-temperature oxygen suction resistant coating material, application thereof and titanium ingot production method - Google Patents
High-temperature oxygen suction resistant coating material, application thereof and titanium ingot production method Download PDFInfo
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Abstract
The invention discloses a high-temperature oxygen suction resistant coating material. The high-temperature oxygen suction resistant coating material is obtained after a raw material mixture is uniformly mixed, wherein the raw material mixture contains an oxidation protecting agent, a water-soluble film forming agent and water; the oxidation protecting agent contains Al powder, Zn powder and Fe powder which are in the weight ratio of 1: (0.005-0.06): (0.003-0.04). The invention further discloses application of the high-temperature oxygen suction resistant coating material in titanium ingot production and a titanium ingot production method. The high-temperature oxygen suction resistant coating material disclosed by the invention has the advantages that the condition that the surface of a titanium ingot is not subjected to oxidation cracking under the condition that the titanium ingot is subjected to constant temperature for 8 hours at the high temperature of 1,000 DEG C can be guaranteed, and the formation of an oxygen dissolved layer can be greatly reduced; the high-temperature oxygen suction resistant coating material has an environmental-friendly effect; the preparation process is simple; a variety of coating manners can be adopted. The titanium ingot production method disclosed by the invention has good economic and social benefits and has relatively broad popularization and application prospects in titanium plate and titanium tube production industries.
Description
Technical field
The present invention relates to high-temperature-resistant coating for metal field, particularly, relate to a kind of high temperature resistant oxygen uptake coating, and the application of this high temperature resistant oxygen uptake coating in titanium ingot is produced, and a kind of production method of titanium ingot.
Background technology
Titanium ingot is generally wanted annealed processing in process of production, annealing generally will be carried out under the high temperature of 900 ℃ of left and right, and at high temperature, oxygen can enter titanium ingot surface, forming hard dissolved oxygen layer, will there is the deep torn grain of degree of depth 20mm left and right at 900 ℃ of heating 4h with upper surface in titanium ingot.For guaranteeing the follow-up rolling of titanium pipe and the surface quality of hot rolling titanium plate, in the operation of rolling, need titanium ingot to cut and grinding process, to remove crackle and dissolved oxygen layer, loss is larger like this.Because titanium ingot is to be made by titanium sponge reaction, cracking part and the dissolved oxygen layer of titanium ingot in heat-processed are removed, have a strong impact on cost and the lumber recovery of titanium material, therefore need to carry out high temperature protection to titanium ingot.
Titanium ingot is carried out to high temperature protection, according to the study titanium surface platinum ion electroplate can protect titanium 650 ℃ not oxidized, but can not meet the high temperature requirement of annealing far away; The MCrAlY alloy with outstanding oxidation-resistance by spray or evaporation coating to titanium matrix, but this also exist form with titanium that congruent melting compound increases and titanium production heat-processed in the formation problem of phase diffusion layer; When traditional anti-oxidation protection Paint Boron silicate glass base coating applies to titanium, the formation of oxide compound is had certain effect, but can not reach the object that prevents that dissolved oxygen layer from forming.Current useful aluminium, as the aluminium base oxidation protection coating of oxidation inhibitor, for titanium, the formation of oxide compound and dissolved oxygen layer is had certain effect, but effect is still undesirable, and because viscosity is lower, during use, can only be sprayed, and can not brush, and has limited its application.
Therefore, need to a kind ofly can effectively prevent that titanium ingot surface dissolved oxygen layer and crackle from forming, thereby greatly reduce the high temperature resistant oxygen uptake coating of titanium ingot production cost.
Summary of the invention
The object of the invention is in order to overcome existing high temperature resistant oxygen uptake coating to the dissatisfactory defect of the protection of titanium ingot, a kind of new high temperature resistant oxygen uptake coating and the production method of application and titanium ingot thereof are provided.
The present inventor finds under study for action, contain Al powder, Zn powder and Fe powder are as oxidation protection agent, and Al powder, the weight ratio of Zn powder and Fe powder is 1:0.005-0.06:0.003-0.04, the high temperature resistant oxygen uptake coating obtaining after the raw mixture that contains this oxidation protection agent and water-soluble film forming agent and water mixes, can guarantee titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 ℃ of high temperature, and can greatly reduce the formation of dissolved oxygen layer, can effectively reduce production costs and improve productivity effect, and this is high temperature resistant, and oxygen uptake coating can adopt pneumatic spraying, vacuum spraying, the multiple coating methods such as brushing, easy to use.
Therefore, to achieve these goals, on the one hand, the invention provides a kind of high temperature resistant oxygen uptake coating, described high temperature resistant oxygen uptake coating obtains after being mixed by a kind of raw mixture, and described raw mixture contains oxidation protection agent, water-soluble film forming agent and water; Described oxidation protection agent contains Al powder, Zn powder and Fe powder, and the weight ratio of Al powder, Zn powder and Fe powder is 1:0.005-0.06:0.003-0.04.
Preferably, the weight ratio of Al powder, Zn powder and Fe powder is 1:0.03-0.05:0.01-0.03.
Second aspect, the invention provides the application of high temperature resistant oxygen uptake coating as above in titanium ingot is produced.
The third aspect, the invention provides a kind of production method of titanium ingot, and described method is included in titanium ingot carries out before anneal, and at the high temperature resistant oxygen uptake coating of surface-coated of titanium ingot, described high temperature resistant oxygen uptake coating is high temperature resistant oxygen uptake coating as above.
High temperature resistant oxygen uptake coating of the present invention, can guarantee titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 ℃ of high temperature, and can greatly reduce the formation of dissolved oxygen layer, can effectively reduce production costs, and improves lumber recovery and the production efficiency of titanium material.For example, take and climb steel as example, rolling titanium section product, 10,000 tons of production capacities are produced in design per year, with 7.5 tons of calculating of each titanium ingot (semifinished product), will produce every year the titanium billet of 1300 left and right, and each titanium ingot is of a size of: thickness 0.28m, length 7.5m, width 1.25m; Each titanium ingot gross area is about 25m
2, the annual 32500m that approximately produces
2, the coat-thickness of high temperature resistant oxygen uptake coating of the present invention is 0.2-0.4mm; Every square meter is approximately used 200-400g, annual approximately 6.5 tons-13 tons of the coating that use of accumulative total.With each titanium ingot, there is zone of oxidation cracking 20mm depth calculation, each titanium ingot will machine away 100-200 kilogram, with 80000 yuan/ton of calculating of titanium ingot, each titanium ingot, because oxidation cutting tip is lost between 8000-16000 unit, meanwhile, also will spend a large amount of human and material resources and cut, extra increase production cost and production time, and adopt high temperature resistant oxygen uptake coating of the present invention, the price of coating to calculate by 200 yuan/Kg, will save every year approximately 13,650,000 yuan of production costs.
High temperature resistant oxygen uptake coating of the present invention, does not contain the harmful element limiting in RoHS quality in coating, meanwhile, oxygen uptake coating do not have in air toxic substance volatilization that this is high temperature resistant, does not affect the environmental protection effect of construction environment etc.
High temperature resistant oxygen uptake coating preparation technology of the present invention is simple, on-the-spot preparation in the time of can using, and the preparation time is short, simple possible; Also can prepare after production, at room temperature store, coating is stablized shelf-stability and can be reached more than 6 months, there will be precipitation, demixing phenomenon, and still, during use, shaking up or re-start stirring can use.
High temperature resistant oxygen uptake coating of the present invention, can adopt the multiple coating methods such as pneumatic spraying, vacuum spraying, brushing, easy to use.
The production method of titanium ingot of the present invention has good economic benefit and social benefit, in titanium plate and titanium pipe production industry, has comparatively wide popularizing application prospect.
Other features and advantages of the present invention partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Fig. 1 is the photo of titanium ingot surface after embodiment 1 rolling.
Fig. 2 is the photo of titanium ingot surface after comparative example 1 rolling.
Fig. 3 is the photo of titanium ingot surface after comparative example 2 rollings.
Fig. 4 is the Hardness Distribution of titanium ingot surface after each embodiment and comparative example rolling.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
On the one hand, the invention provides a kind of high temperature resistant oxygen uptake coating, this is high temperature resistant obtains after oxygen uptake coating mixes by a kind of raw mixture, and raw mixture contains oxidation protection agent, water-soluble film forming agent and water; Oxidation protection agent contains Al powder, Zn powder and Fe powder, and the weight ratio of Al powder, Zn powder and Fe powder is 1:0.005-0.06:0.003-0.04.
According to the present invention, although this high temperature resistant oxygen uptake coating obtains after being mixed by a kind of raw mixture, raw mixture contains oxidation protection agent, water-soluble film forming agent and water; Oxidation protection agent contains Al powder, Zn powder and Fe powder; the weight ratio of Al powder, Zn powder and Fe powder is 1:0.005-0.06:0.003-0.04; can realize object of the present invention; can guarantee titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 ℃ of high temperature; greatly reduce the formation of dissolved oxygen layer; and this is high temperature resistant, and oxygen uptake coating can adopt the multiple coating methods such as pneumatic spraying, vacuum spraying, brushing, easy to use.But under preferable case, the weight ratio of Al powder, Zn powder and Fe powder is 1:0.03-0.05:0.01-0.03, can further reduce the formation of dissolved oxygen layer.Therefore, preferably, the weight ratio of Al powder, Zn powder and Fe powder is 1:0.03-0.05:0.01-0.03.
In the present invention, for the content of Zn powder and Fe powder, can be identical, also can be different, as long as content is in above-mentioned ratio range.
In the present invention, with respect to the oxidation protection agent of 1 weight part, in solid, the consumption of water-soluble film forming agent is preferably 0.025-0.1 weight part, and the consumption of water is preferably 1-1.5 weight part.Under this preferable case, can make the pH value of high temperature resistant oxygen uptake coating of the present invention is 7.5-9.5, and solid content is 85-90 % by weight, is directly coated in online titanium ingot surface, can solidify rapidly, form self-drying type coating, and because solid content is high, there will not be rete trickling phenomenon, coating tack is very good, no matter, when wet film or dry film, coating tack can meet the needs of titanium ingot roller-way bobbing machine friction, there will not be coating scaling or dry linting phenomenon.
In the present invention, for water-soluble film forming agent without particular requirement, can adopt the conventional various water-soluble film forming agents in this area, for example, water-soluble film forming agent can be selected from least one in benzene emulsion, water-soluble polyester film-forming resin, water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, aqurous ployurethane film-forming resin, water-soluble silicon the third film-forming resin, water-soluble poly divinyl film-forming resin, water-soluble acrylic film-forming resin and water-soluble fluorine carbon film-forming resin.But the present inventor finds under study for action, when water-soluble film forming agent is preferably benzene emulsion, can further reduce the formation of dissolved oxygen layer.Therefore, water-soluble film forming agent is preferably benzene emulsion, for the solid content of benzene emulsion, without particular requirement, can adopt the conventional benzene emulsion in this area, and the solid content of benzene emulsion is preferably 40-60 % by weight.
In order further to improve high temperature resistant oxygen uptake coating of the present invention in the tack of titanium ingot surface; raw mixture of the present invention preferably also contains one or more in solidifying agent, dispersion agent and thickening material; more preferably contain solidifying agent, dispersion agent and thickening material; oxidation protection agent with respect to 1 weight part; the consumption of solidifying agent is preferably 0.001-0.003 weight part; the consumption of dispersion agent is preferably 0.0005-0.001 weight part, and the consumption of thickening material is preferably 0.001-0.006 weight part.
In the present invention, for solidifying agent, dispersion agent, thickening material concrete material separately, without particular requirement, can adopt this area conventional various solidifying agent, dispersion agent, thickening material.For example, solidifying agent can be SiO
2, dispersion agent can be polyvinyl alcohol, water-soluble polyethylene wax, Polyvinylpyrolidone (PVP), polyoxyethylene etc., thickening material can be methylcellulose gum, carboxymethyl cellulose, Natvosol, Vltra tears etc.
For the preparation method of high temperature resistant oxygen uptake coating of the present invention, without particular requirement, can adopt the conventional the whole bag of tricks in this area, as long as each component is mixed.But the present inventor finds under study for action, adopts and prepares with the following method high temperature resistant oxygen uptake coating, can make each component be mixed to get more even.Concrete grammar is: under agitation; oxidation protection agent is slowly added in water-soluble film forming agent, when the amount of oxidation protection agent adds a half, start slowly to add the water of 3-5%; and make to add together with the water of oxidation protection agent and 3-5%; and then add solidifying agent, stir, then add dispersion agent; stir; treat that liquid is uniform and stable phase, then add thickening material, after stirring, add remaining water.
Second aspect, the invention provides the application of high temperature resistant oxygen uptake coating as above in titanium ingot is produced.
The third aspect, the invention provides a kind of production method of titanium ingot, and the method is included in titanium ingot carries out before anneal, and at the high temperature resistant oxygen uptake coating of surface-coated of titanium ingot, high temperature resistant oxygen uptake coating is high temperature resistant oxygen uptake coating as above.
In the present invention, for anneal, without particular requirement, can adopt the annealing treating process of this area routine, for example, annealing temperature is 800-1000 ℃, and annealing time is 4-8h.
In the present invention, for the mode applying without particular determination, such as comprising pneumatic spraying, vacuum spraying, brushing etc.
In the present invention, it is 0.2-0.4mm that the amount that high temperature resistant oxygen uptake coating applies preferably makes the thickness of the photopolymer layer that forms after high temperature resistant oxygen uptake paint solidification.When the thickness of photopolymer layer is less than 0.2mm, titanium ingot can not get sufficient high temperature protection, and when the thickness of photopolymer layer surpasses 0.4mm, cost raises.
What those skilled in the art should understand that is, titanium ingot carries out will being rolled processing after anneal, the condition of processing for rolling is without particular requirement, can adopt the normal condition of this area, for example, the condition of rolling comprises: after annealing, carry out the rolling of 10 passages, each percentage pass reduction is approximately 20mm.
Embodiment
The present invention is further illustrated for following embodiment, but therefore do not limit the present invention.
In the following Examples and Comparative Examples:
Titanium ingot: thickness 0.28m, length 7.5m, width 1.25m.
Determination of solid content method: GB-T2793-1995.
PH values determination method: adopt pH meter (being purchased from Shanghai INESA Scientific Instrument Co., Ltd., thunder magnetic PHSJ-5 type) to measure.
Titanium ingot surface measurement of hardness method: GB/T14235.5-1993.
Rolling is the rolling of carrying out 10 passages after annealing, and each percentage pass reduction is 20mm.
Embodiment 1
The present embodiment is for illustrating the production method of high temperature resistant oxygen uptake coating of the present invention and titanium ingot.
(1) normal temperature and pressure (25 ℃, 0.1MPa) under, take 100g benzene emulsion (solid content 50 % by weight) and be placed in container;
(2) take 800g Al powder, 30g Zn powder and 20g Fe powder, under agitation, slowly add in container, when the amount of Al powder, Zn powder and Fe powder adds a half, start slowly to add 50g water, and Al powder, Zn powder, Fe powder are added together with water;
(3) take 1g SiO
2, add in container, and stir;
(4) taking 0.5g polyvinyl alcohol (is purchased from Qingdao An Mao International Trading Company Ltd, Z-200) adds in container, stir, treat that liquid is uniform and stable phase;
(5) (be purchased from Hebei Xingtai Mierocrystalline cellulose company limited, XTHPMC10) add in container, the Hou Jiashui that stirs is settled to 1L, obtains high temperature resistant oxygen uptake coating A1 to take 1g carboxymethyl cellulose.
The solid content of measuring high temperature resistant oxygen uptake coating A1 is that 89%, pH value is 8.4.
By high temperature resistant oxygen uptake coating for A1 automatization spray gun (be purchased from Tianjin Tuo Bao Science and Technology Ltd., model: 006_1589, following examples and comparative example with) be sprayed at titanium ingot surface, it is 0.3mm that the amount of spraying makes the thickness of the photopolymer layer that forms after high temperature resistant oxygen uptake paint solidification, place at normal temperatures and pressures spontaneous curing after 5min, then titanium ingot is sent into annealing furnace, thermostatically heating 8h at 1000 ℃, then be rolled, after rolling, Fig. 1 is shown in by the photo of titanium ingot surface, and the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 2
The present embodiment is for illustrating the production method of high temperature resistant oxygen uptake coating of the present invention and titanium ingot.
(1) normal temperature and pressure (25 ℃, 0.1MPa) under, take 54g benzene emulsion (solid content 40 % by weight) and be placed in container;
(2) take 809g Al powder, 23g Zn powder and 18g Fe powder, under agitation, slowly add in container, when the amount of Al powder, Zn powder and Fe powder adds a half, start slowly to add 50g water, and Al powder, Zn powder, Fe powder are added together with water;
(3) take 1.7g SiO
2, add in container, and stir;
(4) take 0.68g Polyvinylpyrolidone (PVP) (being purchased from Guangzhou Ba Tai Chemical Co., Ltd., PVP K90) and add in container, stir, treat that liquid is uniform and stable phase;
(5) (be purchased from Hebei Xingtai Mierocrystalline cellulose company limited, YLT-999) add in container, the Hou Jiashui that stirs is settled to 1L, obtains high temperature resistant oxygen uptake coating A2 to take 3.4g Natvosol.
The solid content of measuring high temperature resistant oxygen uptake coating A2 is that 87%, pH value is 8.3.
Use automatization spray gun spraying in titanium ingot surface high temperature resistant oxygen uptake coating A2, it is 0.2mm that the amount of spraying makes the thickness of the photopolymer layer that forms after high temperature resistant oxygen uptake paint solidification, place at normal temperatures and pressures spontaneous curing after 5min, then titanium ingot is sent into annealing furnace, thermostatically heating 4h at 900 ℃, then be rolled, same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 3
The present embodiment is for illustrating the production method of high temperature resistant oxygen uptake coating of the present invention and titanium ingot.
(1) normal temperature and pressure (25 ℃, 0.1MPa) under, take 141g benzene emulsion (solid content 60 % by weight) and be placed in container;
(2) take 795g Al powder, 45g Zn powder and 10g Fe powder, under agitation, slowly add in container, when the amount of Al powder, Zn powder and Fe powder adds a half, start slowly to add 50g water, and Al powder, Zn powder, Fe powder are added together with water;
(3) take 2.55g SiO
2, add in container, and stir;
(4) taking 0.85g polyoxyethylene (is purchased from and attacks green gram of novel material science and technology (Shanghai) Co., Ltd., PEO-5) add in container, stir, treat that liquid is uniform and stable phase;
(5) take 5.1g Vltra tears (being purchased from Hebei Xingtai Mierocrystalline cellulose company limited, XT HPMC10) and add in container, the Hou Jiashui that stirs is settled to 1L, obtains high temperature resistant oxygen uptake coating A3.
The solid content of measuring high temperature resistant oxygen uptake coating A3 is that 85%, pH value is 8.6.
Use automatization spray gun spraying in titanium ingot surface high temperature resistant oxygen uptake coating A3, it is 0.4mm that the amount of spraying makes the thickness of the photopolymer layer that forms after high temperature resistant oxygen uptake paint solidification, place at normal temperatures and pressures spontaneous curing after 5min, then titanium ingot is sent into annealing furnace, thermostatically heating 6h at 800 ℃, then be rolled, same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 4
The present embodiment is for illustrating the production method of high temperature resistant oxygen uptake coating of the present invention and titanium ingot.
According to the method for embodiment 1, prepare high temperature resistant oxygen uptake coating and carry out the production of titanium ingot, different, the consumption of Al powder is 843g, and the consumption of Zn powder is 4.3g, and the consumption of Fe powder is 2.7g.Obtain high temperature resistant oxygen uptake coating A4, the solid content of measuring high temperature resistant oxygen uptake coating A4 is that 85%, pH value is 9.2.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 5
The present embodiment is for illustrating the production method of high temperature resistant oxygen uptake coating of the present invention and titanium ingot.
According to the method for embodiment 1, prepare high temperature resistant oxygen uptake coating and carry out the production of titanium ingot, different, the consumption of Al powder is 774g, and the consumption of Zn powder is 46g, and the consumption of Fe powder is 30g.Obtain high temperature resistant oxygen uptake coating A5, the solid content of measuring high temperature resistant oxygen uptake coating A5 is that 90%, pH value is 9.5.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Embodiment 6
The present embodiment is for illustrating the production method of high temperature resistant oxygen uptake coating of the present invention and titanium ingot.
According to the method for embodiment 1, prepare high temperature resistant oxygen uptake coating and carry out the production of titanium ingot, different, benzene emulsion is replaced with to soluble epoxide film-forming resin (being purchased from Shanghai Wang Jie trade Co., Ltd, YUKARESIN EA-080).Obtain high temperature resistant oxygen uptake coating A6, the solid content of measuring high temperature resistant oxygen uptake coating A6 is that 86%, pH value is 7.5.Same Fig. 1 of the photo of titanium ingot surface after rolling, the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Comparative example 1
According to the method for embodiment 1, prepare high temperature resistant oxygen uptake coating and carry out the production of titanium ingot, different, Zn powder and Fe powder are replaced with etc. to the Al powder of weight, obtain high temperature resistant oxygen uptake coating D1, the solid content of measuring high temperature resistant oxygen uptake coating D1 is 88%, pH value is 8.4.After rolling, Fig. 2 is shown in by the photo of titanium ingot surface, and the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Comparative example 2
Titanium ingot surface does not spray high temperature resistant oxygen uptake coating, directly sends into annealing furnace, and at 1000 ℃, thermostatically heating 8h, is then rolled, and after rolling, Fig. 3 is shown in by the photo of titanium ingot surface, and the Hardness Distribution of titanium ingot surface is shown in Fig. 4.
Fig. 1, Fig. 2, Fig. 3 are compared and can be found out, spray high temperature resistant oxygen uptake coating of the present invention, after rolling, titanium ingot surface is smooth, flawless; The agent of spraying oxidation protection is the high temperature resistant oxygen uptake coating of Al powder, and after rolling, crackle appears in titanium ingot surface; Titanium ingot surface does not spray high temperature resistant oxygen uptake coating and directly carries out anneal, and after rolling, titanium ingot surface occurs compared with deep torn grain, and even part comes off.
The normal consistency Hv of titanium ingot is 120 left and right, if form dissolved oxygen layer in annealing process, can make the hardness of titanium ingot surface increase.As can be seen from Figure 4, apply high temperature resistant oxygen uptake coating of the present invention, can make titanium ingot after rolling at case depth during at 1mm at the most, can make hardness Hv reach 120 left and right, illustrate and adopt high temperature resistant oxygen uptake coating of the present invention, can make the thickness of the dissolved oxygen layer that titanium ingot forms in annealing process be at most 1mm; And the oxidation protection agent that adopts comparative example 1 is the high temperature resistant oxygen uptake coating of Al powder, case depth just makes hardness Hv reach 120 left and right when 2.5mm, illustrates that the thickness of the dissolved oxygen layer forming is 2.5mm; Comparative example 2, titanium ingot surface does not apply high temperature resistant oxygen uptake coating, directly carries out anneal, just makes hardness Hv reach 120 left and right when case depth is 6mm, illustrates and does not apply high temperature resistant oxygen uptake coating, and titanium ingot will form the dissolved oxygen layer of about 6mm in annealing process.Visible, apply high temperature resistant oxygen uptake coating of the present invention, can greatly reduce the formation of dissolved oxygen layer.
Embodiment 1 is compared and can be found out with embodiment 4 and embodiment 5 respectively, and in the oxidation protection agent used of high temperature resistant oxygen uptake coating, the weight ratio of Al powder, Zn powder and Fe powder is 1:0.03-0.05:0.01-0.03, can further reduce the formation of dissolved oxygen layer.Embodiment 1 and embodiment 6 are compared and can be found out, high temperature resistant oxygen uptake coating water-soluble film forming agent used adopts benzene emulsion, can further reduce the formation of dissolved oxygen layer.
High temperature resistant oxygen uptake coating of the present invention, can guarantee titanium ingot not oxidized cracking in constant temperature 8h surface under 1000 ℃ of high temperature, and can greatly reduce the formation of dissolved oxygen layer, can effectively reduce production costs, and improves lumber recovery and the production efficiency of titanium material; In coating, do not contain the harmful element limiting in RoHS quality, meanwhile, oxygen uptake coating do not have in air toxic substance volatilization that this is high temperature resistant, does not affect the environmental protection effect of construction environment etc.; Preparation technology is simple, on-the-spot preparation in the time of can using, and the preparation time is short, simple possible, also can prepare after production, at room temperature store, coating is stablized shelf-stability and can be reached more than 6 months, there will be precipitation, demixing phenomenon, still, during use, shaking up or re-start stirring can use; Can adopt the multiple coating methods such as pneumatic spraying, vacuum spraying, brushing, easy to use.The production method of titanium ingot of the present invention has good economic benefit and social benefit, in titanium plate and titanium pipe production industry, has comparatively wide popularizing application prospect.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characterictic described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, between various embodiment of the present invention, also can carry out arbitrary combination, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a high temperature resistant oxygen uptake coating, is characterized in that, described high temperature resistant oxygen uptake coating obtains after being mixed by a kind of raw mixture, and described raw mixture contains oxidation protection agent, water-soluble film forming agent and water; Described oxidation protection agent contains Al powder, Zn powder and Fe powder, and the weight ratio of Al powder, Zn powder and Fe powder is 1:0.005-0.06:0.003-0.04.
2. high temperature resistant oxygen uptake coating according to claim 1, wherein, the weight ratio of Al powder, Zn powder and Fe powder is 1:0.03-0.05:0.01-0.03.
3. high temperature resistant oxygen uptake coating according to claim 1 and 2, wherein, with respect to the described oxidation protection agent of 1 weight part, in solid, the consumption of described water-soluble film forming agent is 0.025-0.1 weight part, the consumption of water is 1-1.5 weight part.
4. high temperature resistant oxygen uptake coating according to claim 1 and 2, wherein, described water-soluble film forming agent is at least one in benzene emulsion, water-soluble polyester film-forming resin, water-soluble phenylpropyl alcohol film-forming resin, soluble epoxide film-forming resin, aqurous ployurethane film-forming resin, water-soluble silicon the third film-forming resin, water-soluble poly divinyl film-forming resin, water-soluble acrylic film-forming resin and water-soluble fluorine carbon film-forming resin.
5. high temperature resistant oxygen uptake coating according to claim 1 and 2, wherein, described raw mixture also contains one or more in solidifying agent, dispersion agent and thickening material.
6. high temperature resistant oxygen uptake coating according to claim 5; wherein; described raw mixture contains solidifying agent, dispersion agent and thickening material; described oxidation protection agent with respect to 1 weight part; the consumption of described solidifying agent is 0.001-0.003 weight part; the consumption of described dispersion agent is 0.0005-0.001 weight part, and the consumption of described thickening material is 0.001-0.006 weight part.
7. the application of the high temperature resistant oxygen uptake coating described in any one in titanium ingot is produced in claim 1-6.
8. the production method of a titanium ingot, it is characterized in that, described method is included in titanium ingot carries out before anneal, at the high temperature resistant oxygen uptake coating of surface-coated of titanium ingot, it is characterized in that, described high temperature resistant oxygen uptake coating is the high temperature resistant oxygen uptake coating described in any one in claim 1-6.
9. method according to claim 8, wherein, the mode of coating comprises pneumatic spraying, vacuum spraying, brushing.
10. method according to claim 8, wherein, it is 0.2-0.4mm that the amount that described high temperature resistant oxygen uptake coating applies makes the thickness of the photopolymer layer that forms after described high temperature resistant oxygen uptake paint solidification.
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| CN106189456A (en) * | 2016-07-27 | 2016-12-07 | 攀钢集团研究院有限公司 | Aqueous high-temperature-resistant isolation titanium steel coating and application thereof |
| CN106189700A (en) * | 2016-07-27 | 2016-12-07 | 攀钢集团研究院有限公司 | Aqueous high-temperature-resistant titanium steel barrier coating and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106010132A (en) * | 2016-07-27 | 2016-10-12 | 攀钢集团研究院有限公司 | Aqueous high-temperature-resistant titanium-binding-resistant coating material and application thereof |
| CN106189456A (en) * | 2016-07-27 | 2016-12-07 | 攀钢集团研究院有限公司 | Aqueous high-temperature-resistant isolation titanium steel coating and application thereof |
| CN106189700A (en) * | 2016-07-27 | 2016-12-07 | 攀钢集团研究院有限公司 | Aqueous high-temperature-resistant titanium steel barrier coating and application thereof |
| CN106189456B (en) * | 2016-07-27 | 2019-02-15 | 攀钢集团研究院有限公司 | Titanium-steel coating and its application is isolated in aqueous high-temperature-resistant |
| CN106189700B (en) * | 2016-07-27 | 2019-02-15 | 攀钢集团研究院有限公司 | Aqueous high-temperature-resistant titanium-steel barrier coating and its application |
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