CN105128446B - Ti-Mo-Ni alloy composite plate and its preparation method - Google Patents

Ti-Mo-Ni alloy composite plate and its preparation method Download PDF

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Publication number
CN105128446B
CN105128446B CN201510548826.6A CN201510548826A CN105128446B CN 105128446 B CN105128446 B CN 105128446B CN 201510548826 A CN201510548826 A CN 201510548826A CN 105128446 B CN105128446 B CN 105128446B
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alloy
plate
steel sheet
composite
substrate steel
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CN105128446A (en
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何宝明
郭宏勤
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BAOJI TAICHENG METAL COMPOSITE MATERIAL Co Ltd
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BAOJI TAICHENG METAL COMPOSITE MATERIAL Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/01Layered products comprising a layer of metal all layers being exclusively metallic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00Layers arrangement
    • B32B2250/022 layers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/752Corrosion inhibitor

Abstract

The invention discloses a kind of Ti-Mo-Ni alloy composite plate.For the making of chimney of electric plant, including Ti-Mo-Ni alloy plate and substrate steel sheet, the Ti-Mo-Ni alloy plate is made up of the Ti-Mo-Ni alloy, and the percentage by weight of its component is:Molybdenum 0.2~0.4%, nickel 0.6~0.9%, carbon 0.08%, silicon 0.15%, hydrogen 0~0.015%, oxygen 0~0.25%, iron 0.3%, surplus are titanium.The structure of Ti-Mo-Ni alloy plate and substrate steel sheet provided by the invention is more reasonable, improves cost performance and the life-span of power plant's composite metal plate, improves temperature in use, and single-machine capacity increase has fully met design requirement, and economy is high.Present invention also offers compound board manufacturing method.

Description

Ti-Mo-Ni alloy composite plate and its preparation method
Technical field
The present invention relates to steel stack field, more particularly to a kind of Ti-Mo-Ni alloy composite plate and its preparation method.
Background technology
In general, now a little bigger power plant's flue dust removes wet method of the sulphur content with GGH (Gas Gas Heater) and without GGH Desulfurization, the former 80 DEG C or so of flue-gas temperature will not be formed with corrosive droplet at once to the cold, and the latter's flue-gas temperature 40 to 50 DEG C or so, can be formed to the cold we have seen that band corrosivity white haze droplet(Fluoride, chloride and SO2 and S03 etc. and air In condensation vapor into the extremely strong hydrofluoric acid of corrosivity, hydrochloric acid and sulfuric acid etc.), so the flue gas environment after wet desulphurization, low temperature High humidity can be such that the corrosive environment of chimney further deteriorates.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of Ti-Mo-Ni alloy composite plate.
Ti-Mo-Ni alloy composite plate provided by the invention, for the making of chimney of electric plant, including Ti-Mo-Ni alloy plate and base Material steel plate, the Ti-Mo-Ni alloy plate are made up of the Ti-Mo-Ni alloy, and the percentage by weight of its component is:Molybdenum 0.2~ 0.4%, nickel 0.6~0.9%, carbon 0.08%, silicon 0.15%, hydrogen 0~0.015%, oxygen 0~0.25%, iron 0.3%, surplus For titanium.
In a kind of preferred embodiment of Ti-Mo-Ni alloy composite plate of the present invention, the percentage by weight of the substrate steel sheet component For:Carbon 0.12~0.20%, manganese 0.3~0.7%, silicon 0~0.3%, phosphorus 0~0.145%, sulphur 0~0.045%, surplus are iron.
In a kind of preferred embodiment of Ti-Mo-Ni alloy composite plate of the present invention, in addition to middle transition plate, the titanium molybdenum nickel Alloy sheets are covered in the two relative surfaces of the middle transition plate with substrate steel sheet.
The present invention provides above-mentioned compound board manufacturing method again, including:
Molybdenum, nickel, carbon, silicon, hydrogen, oxygen, iron, titanium material are provided, Ti-Mo-Ni alloy plate is made in above-mentioned raw materials;
Carbon, manganese, silicon, phosphorus, sulphur, iron material are provided, substrate steel sheet is made in above-mentioned raw materials;
Composite surface is treated to Ti-Mo-Ni alloy plate and substrate steel sheet two-phase and is polished polishing;
Ti-Mo-Ni alloy plate after polishing grinding is compound for the first time by explosion composite method progress with substrate steel sheet;
Ti-Mo-Ni alloy plate after will be compound for the first time carries out second of compound, shape with substrate steel sheet by heating rolling method Into composite plate;
Composite plate is aligned by straightener, and milling composite plate edges of boards;
Ti-Mo-Ni alloy composite plate is completed to make.
In a kind of preferred embodiment of the compound board manufacturing method of Ti-Mo-Ni alloy of the present invention, the heating rolling method is included such as Lower step:
Ti-Mo-Ni alloy plate after will be compound for the first time is heated to 900-960 DEG C with substrate steel sheet in resistance furnace, and protects Temperature 2.5 to 3 hours;
Then multi-pass deformation amount is distributed on milling train and is rolled;
Wherein, in the operation of rolling, temperature control pays attention to controlling plate shape and plate flatness more than 700 DEG C.
In a kind of preferred embodiment of the compound board manufacturing method of Ti-Mo-Ni alloy of the present invention, the explosion composite method uses nitre Ammonium rock explosive is carried out.
In a kind of preferred embodiment of the compound board manufacturing method of Ti-Mo-Ni alloy of the present invention, add in the ammonium nitrate rock explosive Enter salt.
Compared to prior art, the Explosion composite thickness of Ti-Mo-Ni alloy plate and substrate steel sheet provided by the invention is (0.8 + 14) or (0.8+13), although although so Ti-Mo-Ni alloy plate is than pure titanium slightly your point, due to being thinned with titanium molybdenum nickel plate thickness, So that cost does not increase, additionally, due to Ti-Mo-Ni alloy due to excellent combination property, used through actual chimney of electric plant Testing result:Only have 0.028mm/ (to corrode if pure titanium+steel composite board is used using titanium molybdenum nickel+steel composite board rate of corrosion Rate is in 0.096mm/), reduce a large amount of maintenance costs, structure is more reasonable, improves the sexual valence of power plant's composite metal plate Than and the life-span, improve temperature in use, its price is only the 1/10 of Titanium board valency, and service life was up to 20 years or so.From development Seen to marketing using effect using the chimney of electric plant comprehensive cost after titanium molybdenum nickel/steel composite material than original brick body cigarette Chimney adds flue gas heating system cost sum all small again and the increase of unit quantity, and single-machine capacity increase, having fully met design will Ask, economy is high.
Embodiment
The technical scheme in the embodiment of the present invention is clearly and completely described below, it is clear that described embodiment Only it is the part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area All other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects Enclose.
The present invention discloses a kind of Ti-Mo-Ni alloy composite plate, for the making of chimney of electric plant, including Ti-Mo-Ni alloy plate, Substrate steel sheet, middle transition plate, the Ti-Mo-Ni alloy plate are covered in the two relative surfaces of the middle transition plate with substrate steel sheet.
The Ti-Mo-Ni alloy plate is made up of the Ti-Mo-Ni alloy, and the percentage by weight of its component is:Molybdenum 0.2~ 0.4%, nickel 0.6~0.9%, carbon 0.08%, silicon 0.15%, hydrogen 0~0.015%, oxygen 0~0.25%, iron 0.3%, surplus For titanium.
Its heat-resisting quantity being improved because with the addition of metal molybdenum in the Ti-Mo-Ni alloy plate, making it because with the addition of nickel Corrosion resistance especially crevice corrosion resistance improves, specifically, the mechanical performance of the Ti-Mo-Ni alloy plate is as follows, surrender is strong Degree:345(MPa)Tensile strength:485( MPa), elongation percentage 20%.
The percentage by weight of the substrate steel sheet component is:Carbon 0.12~0.20%, manganese 0.3~0.7%, silicon 0~ 0.3%, phosphorus 0~0.145%, sulphur 0~0.045%, surplus is iron.
The mechanical performance of the substrate steel sheet is as follows, yield strength:235(MPa), tensile strength:375-460(MPa), prolong Stretch rate:26%.
Present invention also offers a kind of compound board manufacturing method of Ti-Mo-Ni alloy, including:
Molybdenum, nickel, carbon, silicon, hydrogen, oxygen, iron, titanium material are provided, Ti-Mo-Ni alloy plate is made in above-mentioned raw materials;
Specifically, the percentage by weight of the Ti-Mo-Ni alloy plate component is:Molybdenum 0.2~0.4%, nickel 0.6~ 0.9%, carbon 0.08%, silicon 0.15%, hydrogen 0~0.015%, oxygen 0~0.25%, iron 0.3%, surplus is titanium.
Carbon, manganese, silicon, phosphorus, sulphur, iron material are provided, substrate steel sheet is made in above-mentioned raw materials;
Specifically, the percentage by weight of the substrate steel sheet component is:Carbon 0.12~0.2%, manganese 0.3~0.7%, silicon 0 ~0.3%, phosphorus 0~0.145%, sulphur 0~0.045%, surplus is iron.
Composite surface is treated to Ti-Mo-Ni alloy plate and substrate steel sheet two-phase and is polished polishing;
Ti-Mo-Ni alloy plate after polishing grinding is compound for the first time by explosion composite method progress with substrate steel sheet;
Ti-Mo-Ni alloy plate after will be compound for the first time carries out second of compound, shape with substrate steel sheet by heating rolling method Into composite plate;
Composite plate is aligned by straightener, and milling composite plate edges of boards;
Ti-Mo-Ni alloy composite plate is completed to make.
In the compound board manufacturing method of Ti-Mo-Ni alloy, the heating rolling method comprises the following steps:
Ti-Mo-Ni alloy plate after will be compound for the first time is heated to 900-960 DEG C with substrate steel sheet in resistance furnace, and protects Temperature 2.5 to 3 hours;
Then multi-pass deformation amount is distributed on milling train and is rolled;
Specifically, distribute 6 pass deformations on the milling train of wide 3.3 meters of roll
Wherein, in the operation of rolling, temperature control pays attention to controlling plate shape and plate flatness more than 700 DEG C.
Preferably, the explosion composite method is carried out using ammonium nitrate rock explosive, and is added and eaten in the ammonium nitrate rock explosive Salt.
Three kinds of techniques of composite plate production method are introduced below:
1st, explosion composite method:The method that composite plate is directly produced by explosive welding, its fertile general face of composite plate ≤ 10 square metres of product(We can accomplish 30 square metres and obtained " the big face width titanium of multilayer and more in 2011 by developing Kind metal explosion composite board 2L201020590114.3 " patents)Although plate face can be aligned by straightener, surface is small quick-fried Fried hole is difficult to relatively put down, and compound plate has weld seam.
2nd, roll-bonding method:Directly pass through the powerful roll-force of milling train(>=9000 tons)Make multiple material and base at a certain temperature Material is compound, and this method can produce large area, no-welding-seam composite plate, but multiple material and base material need to select sandwich material, and operate Requirement technology of getting up is very high(Such as:Vacuum decontamination, stacked system etc.), seldom producer is using the method production.
3rd, explosive welding+rolling method:First pass through blast base, then the answering into required thickness width by composite plate blank heating rolling Plywood, this method can obtain the weldless composite plate of large area, and efficiency high, steady quality, simple process is easy, and surface Flatness is good, but the milling train for selecting wide cut roll-force big is the key performed.The outsourcing factory of 3.3 meters of mangles is have found for this Family's rolling is completed.
In summary, the Explosion composite thickness of Ti-Mo-Ni alloy plate and substrate steel sheet provided by the invention be (0.8+14) or (0.8+13), although although so Ti-Mo-Ni alloy plate is than pure titanium slightly your point, due to being thinned with titanium molybdenum nickel plate thickness, so that Cost does not increase, additionally, due to Ti-Mo-Ni alloy due to excellent combination property, is tied through actual chimney of electric plant using detection Fruit:There was only 0.028mm/ using titanium molybdenum nickel+steel composite board rate of corrosion, (rate of corrosion exists if pure titanium+steel composite board is used 0.096mm/), reduce a large amount of maintenance costs, structure is more reasonable, improve power plant's composite metal plate cost performance and In the life-span, temperature in use is improved, its price is only the 1/10 of Titanium board valency, and service life was up to 20 years or so.From developing city Field popularization and application using effect is seen using the chimney of electric plant comprehensive cost after titanium molybdenum nickel/steel composite material than original brick body chimney again Add flue gas heating system cost sum all small and the increase of unit quantity, single-machine capacity increase, fully met design requirement, passed through Ji property is high.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, it is included within the scope of the present invention.

Claims (1)

  1. A kind of 1. application of Ti-Mo-Ni alloy composite plate in chimney of electric plant is made, it is characterised in that the Ti-Mo-Ni alloy Composite plate includes Ti-Mo-Ni alloy plate and substrate steel sheet, and the Ti-Mo-Ni alloy plate is made up of the Ti-Mo-Ni alloy, its component Percentage by weight be:Molybdenum 0.2~0.4%, nickel 0.6~0.9%, carbon 0.08%, silicon 0.15%, hydrogen 0~ 0.015%, oxygen 0~0.25%, iron 0.3%, surplus is titanium;
    The percentage by weight of the substrate steel sheet component is:Carbon 0.12~0.20%, manganese 0.3~0.7%, silicon 0~ 0.3%, phosphorus 0~0.145%, sulphur 0~0.045%, surplus is iron;
    The preparation method of the Ti-Mo-Ni alloy composite plate includes:
    Molybdenum, nickel, carbon, silicon, hydrogen, oxygen, iron, titanium material are provided, Ti-Mo-Ni alloy plate is made in above-mentioned raw materials;
    Carbon, manganese, silicon, phosphorus, sulphur, iron material are provided, substrate steel sheet is made in above-mentioned raw materials;
    Composite surface is treated to Ti-Mo-Ni alloy plate and substrate steel sheet two-phase and is polished polishing;
    Ti-Mo-Ni alloy plate after polishing grinding is compound for the first time by explosion composite method progress with substrate steel sheet;
    Will it is compound for the first time after Ti-Mo-Ni alloy plate and substrate steel sheet by heating rolling method carry out second it is compound, formed again Plywood;
    Composite plate is aligned by straightener, and milling composite plate edges of boards;
    Ti-Mo-Ni alloy composite plate is completed to make;
    The heating rolling method comprises the following steps:Ti-Mo-Ni alloy plate after will be compound for the first time is with substrate steel sheet in resistance furnace 900-960 DEG C is inside heated to, and is incubated 2.5 to 3 hours;Then multi-pass deformation amount is distributed on milling train and is rolled System;Wherein, in the operation of rolling, temperature control pays attention to controlling plate shape and plate flatness more than 700 DEG C;
    The explosion composite method is carried out using ammonium nitrate rock explosive, and salt is added in the ammonium nitrate rock explosive.
CN201510548826.6A 2015-09-01 2015-09-01 Ti-Mo-Ni alloy composite plate and its preparation method Active CN105128446B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108906898A (en) * 2018-06-08 2018-11-30 舞阳钢铁有限责任公司 A kind of production method of chimney steel composite Ti plate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3526576B2 (en) * 1993-08-04 2004-05-17 新日本製鐵株式会社 Manufacturing method of high-strength steel with excellent weld strength and weld strength
CN101402268A (en) * 2008-11-21 2009-04-08 西安天力金属复合材料有限公司 Titanium and titanium alloy/steel composite board and method of manufacturing the same
CN101428389A (en) * 2008-11-21 2009-05-13 西安天力金属复合材料有限公司 Method of manufacturing thin titanium/steel composite board

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3526576B2 (en) * 1993-08-04 2004-05-17 新日本製鐵株式会社 Manufacturing method of high-strength steel with excellent weld strength and weld strength
CN101402268A (en) * 2008-11-21 2009-04-08 西安天力金属复合材料有限公司 Titanium and titanium alloy/steel composite board and method of manufacturing the same
CN101428389A (en) * 2008-11-21 2009-05-13 西安天力金属复合材料有限公司 Method of manufacturing thin titanium/steel composite board

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Denomination of invention: Titanium molybdenum nickel alloy composite plate and its manufacturing method

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